Restoring authorship annotation for Ilnaz Nizametdinov <i.nizametdinov@gmail.com>. Commit 2 of 2.

871 files changed, 76721 insertions, 76721 deletions

diff --git a/contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/include/aws/core/client/ClientConfiguration.h b/contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/include/aws/core/client/ClientConfiguration.h
index 7b75018619..ba54baaa83 100644
--- a/contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/include/aws/core/client/ClientConfiguration.h
+++ b/contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/include/aws/core/client/ClientConfiguration.h
@@ -180,22 +180,22 @@ namespace Aws
              */
             Aws::String caPath;
             /**
-             * Same as caPath, but useful if you have users going through a proxy. 
-             * Used to set CURLOPT_PROXY_CAPATH in libcurl. 
-             */ 
-            Aws::String proxyCaPath; 
-            /** 
+             * Same as caPath, but useful if you have users going through a proxy.
+             * Used to set CURLOPT_PROXY_CAPATH in libcurl.
+             */
+            Aws::String proxyCaPath;
+            /**
              * If you certificate file is different from the default, you can tell clients that
              * aren't using the default trust store where to find your ca file.
              * If you are on windows or apple, you likely don't want this.
              */
              Aws::String caFile;
             /**
-             * Same as caFile, but useful if you have users going through a proxy. 
-             * Used to set CURLOPT_PROXY_CAINFO in libcurl. 
-             */ 
-             Aws::String proxyCaFile; 
-            /** 
+             * Same as caFile, but useful if you have users going through a proxy.
+             * Used to set CURLOPT_PROXY_CAINFO in libcurl.
+             */
+             Aws::String proxyCaFile;
+            /**
              * Rate Limiter implementation for outgoing bandwidth. Default is wide-open.
              */
             std::shared_ptr<Aws::Utils::RateLimits::RateLimiterInterface> writeRateLimiter;
diff --git a/contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/include/aws/core/http/curl/CurlHttpClient.h b/contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/include/aws/core/http/curl/CurlHttpClient.h
index c3051b8152..31f96befd5 100644
--- a/contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/include/aws/core/http/curl/CurlHttpClient.h
+++ b/contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/include/aws/core/http/curl/CurlHttpClient.h
@@ -63,8 +63,8 @@ private:
     bool m_verifySSL;
     Aws::String m_caPath;
     Aws::String m_caFile;
-    Aws::String m_proxyCaPath; 
-    Aws::String m_proxyCaFile; 
+    Aws::String m_proxyCaPath;
+    Aws::String m_proxyCaFile;
     bool m_disableExpectHeader;
     bool m_allowRedirects;
     static std::atomic<bool> isInit;
diff --git a/contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/include/aws/core/utils/Outcome.h b/contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/include/aws/core/utils/Outcome.h
index 6683e3d860..70e9e4be26 100644
--- a/contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/include/aws/core/utils/Outcome.h
+++ b/contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/include/aws/core/utils/Outcome.h
@@ -26,19 +26,19 @@ namespace Aws
         {
         public:
 
-            Outcome() : result(), error(), success(false) 
+            Outcome() : result(), error(), success(false)
             {
             }
-            Outcome(const R& r) : result(r), error(), success(true) 
+            Outcome(const R& r) : result(r), error(), success(true)
             {
             }
-            Outcome(const E& e) : result(), error(e), success(false) 
+            Outcome(const E& e) : result(), error(e), success(false)
             {
             }
-            Outcome(R&& r) : result(std::forward<R>(r)), error(), success(true) 
+            Outcome(R&& r) : result(std::forward<R>(r)), error(), success(true)
             {
             }
-            Outcome(E&& e) : result(), error(std::forward<E>(e)), success(false) 
+            Outcome(E&& e) : result(), error(std::forward<E>(e)), success(false)
             {
             }
             Outcome(const Outcome& o) :
diff --git a/contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/source/http/curl/CurlHttpClient.cpp b/contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/source/http/curl/CurlHttpClient.cpp
index 3db94925b8..2fb9cc9643 100644
--- a/contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/source/http/curl/CurlHttpClient.cpp
+++ b/contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/source/http/curl/CurlHttpClient.cpp
@@ -444,7 +444,7 @@ CurlHttpClient::CurlHttpClient(const ClientConfiguration& clientConfig) :
     m_proxySSLKeyPath(clientConfig.proxySSLKeyPath), m_proxySSLKeyType(clientConfig.proxySSLKeyType),
     m_proxyKeyPasswd(clientConfig.proxySSLKeyPassword),
     m_proxyPort(clientConfig.proxyPort), m_verifySSL(clientConfig.verifySSL), m_caPath(clientConfig.caPath),
-    m_caFile(clientConfig.caFile), m_proxyCaPath(clientConfig.proxyCaPath), m_proxyCaFile(clientConfig.proxyCaFile), 
+    m_caFile(clientConfig.caFile), m_proxyCaPath(clientConfig.proxyCaPath), m_proxyCaFile(clientConfig.proxyCaFile),
     m_disableExpectHeader(clientConfig.disableExpectHeader)
 {
     if (clientConfig.followRedirects == FollowRedirectsPolicy::NEVER ||
@@ -582,14 +582,14 @@ std::shared_ptr<HttpResponse> CurlHttpClient::MakeRequest(const std::shared_ptr<
             ss << m_proxyScheme << "://" << m_proxyHost;
             curl_easy_setopt(connectionHandle, CURLOPT_PROXY, ss.str().c_str());
             curl_easy_setopt(connectionHandle, CURLOPT_PROXYPORT, (long) m_proxyPort);
-            if(!m_proxyCaPath.empty()) 
-            { 
-                curl_easy_setopt(connectionHandle, CURLOPT_PROXY_CAPATH, m_proxyCaPath.c_str()); 
-            } 
-            if(!m_proxyCaFile.empty()) 
-            { 
-                curl_easy_setopt(connectionHandle, CURLOPT_PROXY_CAINFO, m_proxyCaFile.c_str()); 
-            } 
+            if(!m_proxyCaPath.empty())
+            {
+                curl_easy_setopt(connectionHandle, CURLOPT_PROXY_CAPATH, m_proxyCaPath.c_str());
+            }
+            if(!m_proxyCaFile.empty())
+            {
+                curl_easy_setopt(connectionHandle, CURLOPT_PROXY_CAINFO, m_proxyCaFile.c_str());
+            }
             if (!m_proxyUserName.empty() || !m_proxyPassword.empty())
             {
                 curl_easy_setopt(connectionHandle, CURLOPT_PROXYUSERNAME, m_proxyUserName.c_str());
diff --git a/library/cpp/actors/dnscachelib/dnscache.cpp b/library/cpp/actors/dnscachelib/dnscache.cpp
index 60c8f9452c..649339ddb2 100644
--- a/library/cpp/actors/dnscachelib/dnscache.cpp
+++ b/library/cpp/actors/dnscachelib/dnscache.cpp
@@ -76,7 +76,7 @@ TIpHost TDnsCache::Get(const TString& hostname) {
 
     const THost& addr = Resolve(hostname, AF_INET);
 
-    TGuard<TMutex> lock(CacheMtx); 
+    TGuard<TMutex> lock(CacheMtx);
     if (addr.AddrsV4.empty()) {
         return TIpHost(-1);
     }
@@ -91,7 +91,7 @@ NAddr::IRemoteAddrPtr TDnsCache::GetAddr(
     if (family != AF_INET && AllowIpV6) {
         const THost& addr = Resolve(hostname, AF_INET6, cacheOnly);
 
-        TGuard<TMutex> lock(CacheMtx); 
+        TGuard<TMutex> lock(CacheMtx);
         if (!addr.AddrsV6.empty()) {
             struct sockaddr_in6 sin6;
             Zero(sin6);
@@ -106,7 +106,7 @@ NAddr::IRemoteAddrPtr TDnsCache::GetAddr(
     if (family != AF_INET6 && AllowIpV4) {
         const THost& addr = Resolve(hostname, AF_INET, cacheOnly);
 
-        TGuard<TMutex> lock(CacheMtx); 
+        TGuard<TMutex> lock(CacheMtx);
         if (!addr.AddrsV4.empty()) {
             return MakeHolder<NAddr::TIPv4Addr>(TIpAddress(addr.AddrsV4.front(), port));
         }
@@ -121,8 +121,8 @@ void TDnsCache::GetAllAddresses(
     TVector<NAddr::IRemoteAddrPtr>& addrs) {
     if (AllowIpV4) {
         const THost& addr4 = Resolve(hostname, AF_INET);
- 
-        TGuard<TMutex> lock(CacheMtx); 
+
+        TGuard<TMutex> lock(CacheMtx);
         for (size_t i = 0; i < addr4.AddrsV4.size(); i++) {
             addrs.push_back(MakeHolder<NAddr::TIPv4Addr>(TIpAddress(addr4.AddrsV4[i], 0)));
         }
@@ -130,12 +130,12 @@ void TDnsCache::GetAllAddresses(
 
     if (AllowIpV6) {
         const THost& addr6 = Resolve(hostname, AF_INET6);
- 
+
         struct sockaddr_in6 sin6;
         Zero(sin6);
         sin6.sin6_family = AF_INET6;
- 
-        TGuard<TMutex> lock(CacheMtx); 
+
+        TGuard<TMutex> lock(CacheMtx);
         for (size_t i = 0; i < addr6.AddrsV6.size(); i++) {
             sin6.sin6_addr = addr6.AddrsV6[i];
 
diff --git a/library/cpp/actors/testlib/test_runtime.cpp b/library/cpp/actors/testlib/test_runtime.cpp
index d8ac88f3ae..6fa25b9965 100644
--- a/library/cpp/actors/testlib/test_runtime.cpp
+++ b/library/cpp/actors/testlib/test_runtime.cpp
@@ -377,7 +377,7 @@ namespace NActors {
                             TlsActivationContext = &ctx;
                             recipientActor->Receive(ev, ctx);
                             TlsActivationContext = prevTlsActivationContext;
-                            // we expect the logger to never die in tests 
+                            // we expect the logger to never die in tests
                         }
                     }
                 } else {
diff --git a/library/cpp/monlib/service/pages/templates.cpp b/library/cpp/monlib/service/pages/templates.cpp
index 5c2017bf5e..ece12bea71 100644
--- a/library/cpp/monlib/service/pages/templates.cpp
+++ b/library/cpp/monlib/service/pages/templates.cpp
@@ -28,8 +28,8 @@ namespace NMonitoring {
     extern const char ListTag[] = "li";
     extern const char UListTag[] = "ul";
     extern const char OListTag[] = "ol";
-    extern const char DListTag[] = "dl"; 
-    extern const char DTermTag[] = "dt"; 
-    extern const char DDescTag[] = "dd"; 
+    extern const char DListTag[] = "dl";
+    extern const char DTermTag[] = "dt";
+    extern const char DDescTag[] = "dd";
 
 }
diff --git a/library/cpp/monlib/service/pages/templates.h b/library/cpp/monlib/service/pages/templates.h
index fa6c986dca..b4656f059f 100644
--- a/library/cpp/monlib/service/pages/templates.h
+++ b/library/cpp/monlib/service/pages/templates.h
@@ -78,13 +78,13 @@
 #define OL() TAG(TOLIST)
 #define OL_CLASS(cls) TAG_CLASS(TOLIST, cls)
 
-#define DL() TAG(DLIST) 
-#define DL_CLASS(cls) TAG_CLASS(DLIST, cls) 
-#define DT() TAG(DTERM) 
-#define DT_CLASS(cls) TAG_CLASS(DTERM, cls) 
-#define DD() TAG(DDESC) 
-#define DD_CLASS(cls) TAG_CLASS(DDESC, cls) 
- 
+#define DL() TAG(DLIST)
+#define DL_CLASS(cls) TAG_CLASS(DLIST, cls)
+#define DT() TAG(DTERM)
+#define DT_CLASS(cls) TAG_CLASS(DTERM, cls)
+#define DD() TAG(DDESC)
+#define DD_CLASS(cls) TAG_CLASS(DDESC, cls)
+
 #define CAPTION() TAG(TCaption)
 #define CAPTION_CLASS(cls) CAPTION_CLASS(TCaption, cls)
 
@@ -231,9 +231,9 @@ namespace NMonitoring {
     extern const char ListTag[3];
     extern const char UListTag[3];
     extern const char OListTag[3];
-    extern const char DListTag[3]; 
-    extern const char DTermTag[3]; 
-    extern const char DDescTag[3]; 
+    extern const char DListTag[3];
+    extern const char DTermTag[3];
+    extern const char DDescTag[3];
 
     typedef TTag<HtmlTag> THtml;
     typedef TTag<HeadTag> THead;
@@ -262,7 +262,7 @@ namespace NMonitoring {
     typedef TTag<ListTag> TLIST;
     typedef TTag<UListTag> TULIST;
     typedef TTag<OListTag> TOLIST;
-    typedef TTag<DListTag> DLIST; 
-    typedef TTag<DTermTag> DTERM; 
-    typedef TTag<DDescTag> DDESC; 
+    typedef TTag<DListTag> DLIST;
+    typedef TTag<DTermTag> DTERM;
+    typedef TTag<DDescTag> DDESC;
 }
diff --git a/ydb/core/base/appdata.cpp b/ydb/core/base/appdata.cpp
index 62c09b3341..f9e517fc42 100644
--- a/ydb/core/base/appdata.cpp
+++ b/ydb/core/base/appdata.cpp
@@ -46,7 +46,7 @@ TAppData::TDefaultTabletTypes::TDefaultTabletTypes()
     , ColumnShard(TTabletTypes::COLUMNSHARD)
     , TestShard(TTabletTypes::TestShard)
     , SequenceShard(TTabletTypes::SequenceShard)
-    , ReplicationController(TTabletTypes::ReplicationController) 
+    , ReplicationController(TTabletTypes::ReplicationController)
 {
 }
 
diff --git a/ydb/core/base/appdata.h b/ydb/core/base/appdata.h
index 80a0c66bc7..c666f7468c 100644
--- a/ydb/core/base/appdata.h
+++ b/ydb/core/base/appdata.h
@@ -3,7 +3,7 @@
 #include "defs.h"
 #include "channel_profiles.h"
 #include "domain.h"
-#include "feature_flags.h" 
+#include "feature_flags.h"
 #include "nameservice.h"
 #include "tablet_types.h"
 #include "resource_profile.h"
@@ -60,7 +60,7 @@ namespace NSQS {
 namespace NPQ {
     class IPersQueueMirrorReaderFactory;
 }
- 
+
 class TFormatFactory;
 
 struct TAppData {
@@ -84,7 +84,7 @@ struct TAppData {
     IActor*(*FolderServiceFactory)(const NKikimrProto::NFolderService::TFolderServiceConfig&);
 
     const NPQ::IPersQueueMirrorReaderFactory* PersQueueMirrorReaderFactory = nullptr;
-    NYdb::TDriver* YdbDriver = nullptr; 
+    NYdb::TDriver* YdbDriver = nullptr;
     const NPDisk::IIoContextFactory* IoContextFactory = nullptr;
 
     struct TDefaultTabletTypes {
@@ -102,7 +102,7 @@ struct TAppData {
         TTabletTypes::EType ColumnShard;
         TTabletTypes::EType TestShard;
         TTabletTypes::EType SequenceShard;
-        TTabletTypes::EType ReplicationController; 
+        TTabletTypes::EType ReplicationController;
 
         TDefaultTabletTypes();
     };
@@ -141,10 +141,10 @@ struct TAppData {
     NKikimrProto::TAuthConfig AuthConfig;
     NKikimrProto::TKeyConfig KeyConfig;
     NKikimrProto::TKeyConfig PDiskKeyConfig;
-    TFeatureFlags FeatureFlags; 
+    TFeatureFlags FeatureFlags;
     NKikimrConfig::THiveConfig HiveConfig;
     NKikimrConfig::TDataShardConfig DataShardConfig;
-    NKikimrConfig::TMeteringConfig MeteringConfig; 
+    NKikimrConfig::TMeteringConfig MeteringConfig;
     NKikimrConfig::TCompactionConfig CompactionConfig;
     bool EnforceUserTokenRequirement = false;
     bool AllowHugeKeyValueDeletes = true; // delete when all clients limit deletes per request
diff --git a/ydb/core/base/cputime.h b/ydb/core/base/cputime.h
index 5e89204e30..6661a728fa 100644
--- a/ydb/core/base/cputime.h
+++ b/ydb/core/base/cputime.h
@@ -17,13 +17,13 @@ class TCpuTimer {
     }
 public:
     TCpuTimer()
-        : UseClockGettime(AppData()->FeatureFlags.GetEnableClockGettimeForUserCpuAccounting()) 
+        : UseClockGettime(AppData()->FeatureFlags.GetEnableClockGettimeForUserCpuAccounting())
         , StartTime(GetCpuTime())
         , Counter(nullptr)
     {}
 
     TCpuTimer(TDuration& counter)
-        : UseClockGettime(AppData()->FeatureFlags.GetEnableClockGettimeForUserCpuAccounting()) 
+        : UseClockGettime(AppData()->FeatureFlags.GetEnableClockGettimeForUserCpuAccounting())
         , StartTime(GetCpuTime())
         , Counter(&counter)
     {}
diff --git a/ydb/core/base/events.h b/ydb/core/base/events.h
index 55ecc135ee..f5fedfe19b 100644
--- a/ydb/core/base/events.h
+++ b/ydb/core/base/events.h
@@ -36,7 +36,7 @@ struct TKikimrEvents : TEvents {
         ES_TX_DATASHARD,
         ES_DEPRECATED_4114,
         ES_TX_USERPROXY, // user proxy interface
-        ES_SCHEME_CACHE, 
+        ES_SCHEME_CACHE,
         ES_TX_PROXY_REQ,
         ES_TABLET_PIPE,
         ES_DEPRECATED_4118,
@@ -104,11 +104,11 @@ struct TKikimrEvents : TEvents {
         ES_USER_ACCOUNT_SERVICE,
         ES_PQ_PROXY_NEW,
         ES_GRPC_STREAMING,
-        ES_SCHEME_BOARD, 
-        ES_FLAT_TX_SCHEMESHARD_PROTECTED, 
-        ES_GRPC_REQUEST_PROXY, 
-        ES_EXPORT_SERVICE, 
-        ES_TX_ALLOCATOR_CLIENT, 
+        ES_SCHEME_BOARD,
+        ES_FLAT_TX_SCHEMESHARD_PROTECTED,
+        ES_GRPC_REQUEST_PROXY,
+        ES_EXPORT_SERVICE,
+        ES_TX_ALLOCATOR_CLIENT,
         ES_PQ_CLUSTER_TRACKER,
         ES_NET_CLASSIFIER,
         ES_SYSTEM_VIEW,
@@ -116,8 +116,8 @@ struct TKikimrEvents : TEvents {
         ES_SERVICE_ACCOUNT_SERVICE,
         ES_INDEX_BUILD,
         ES_BLOCKSTORE_PRIVATE,
-        ES_YT_WRAPPER, 
-        ES_S3_WRAPPER, 
+        ES_YT_WRAPPER,
+        ES_S3_WRAPPER,
         ES_FILESTORE,
         ES_FILESTORE_PRIVATE,
         ES_YDB_METERING,
@@ -125,7 +125,7 @@ struct TKikimrEvents : TEvents {
         ES_TX_OLAPSHARD,
         ES_TX_COLUMNSHARD,
         ES_CROSSREF,
-        ES_SCHEME_BOARD_MON, 
+        ES_SCHEME_BOARD_MON,
         ES_YQL_ANALYTICS_PROXY = NYq::TEventIds::ES_YQL_ANALYTICS_PROXY,
         ES_BLOB_CACHE,
         ES_LONG_TX_SERVICE,
@@ -135,16 +135,16 @@ struct TKikimrEvents : TEvents {
         ES_HEALTH_CHECK,
         ES_DQ = NYql::NDq::TDqEvents::ES_DQ_COMPUTE, // 4212
         ES_YQ, // 4213
-        ES_CHANGE_EXCHANGE, 
+        ES_CHANGE_EXCHANGE,
         ES_DATABASE_SERVICE, //4215
         ES_SEQUENCESHARD, // 4216
         ES_SEQUENCEPROXY, // 4217
         ES_CLOUD_STORAGE,
         ES_CLOUD_STORAGE_PRIVATE,
         ES_FOLDER_SERVICE_ADAPTER,
-        ES_PQ_PARTITION_WRITER, 
-        ES_YDB_PROXY, 
-        ES_REPLICATION_CONTROLLER, 
+        ES_PQ_PARTITION_WRITER,
+        ES_YDB_PROXY,
+        ES_REPLICATION_CONTROLLER,
     };
 };
 
diff --git a/ydb/core/base/feature_flags.h b/ydb/core/base/feature_flags.h
index 3e7a2f032c..75b7158fa7 100644
--- a/ydb/core/base/feature_flags.h
+++ b/ydb/core/base/feature_flags.h
@@ -1,50 +1,50 @@
-#pragma once 
- 
-#include "defs.h" 
- 
+#pragma once
+
+#include "defs.h"
+
 #include <ydb/core/protos/config.pb.h>
- 
-namespace NKikimr { 
- 
-class TFeatureFlags: public NKikimrConfig::TFeatureFlags { 
-    using TBase = NKikimrConfig::TFeatureFlags; 
- 
-public: 
-    using TBase::TBase; 
-    using TBase::operator=; 
- 
-    inline std::optional<bool> GetEnableMvcc() const { 
-        switch (TBase::GetEnableMvcc()) { 
-        case NKikimrConfig::TFeatureFlags::UNSET: 
-            return std::nullopt; 
-        case NKikimrConfig::TFeatureFlags::VALUE_TRUE: 
-            return true; 
-        case NKikimrConfig::TFeatureFlags::VALUE_FALSE: 
-            return false; 
-        } 
-    } 
- 
-    inline void SetEnableMvccSnapshotReadsForTest(bool value) { 
-        SetEnableMvccSnapshotReads(value); 
-    } 
- 
-    inline void SetEnableBackgroundCompactionForTest(bool value) { 
-        SetEnableBackgroundCompaction(value); 
-    } 
- 
-    inline void SetEnableBackgroundCompactionServerlessForTest(bool value) { 
-        SetEnableBackgroundCompactionServerless(value); 
-    } 
- 
-    inline void SetEnableOlapSchemaOperationsForTest(bool value) { 
-        SetEnableOlapSchemaOperations(value); 
-    } 
- 
-    inline void SetEnableMvccForTest(bool value) { 
-        SetEnableMvcc(value 
-            ? NKikimrConfig::TFeatureFlags::VALUE_TRUE 
-            : NKikimrConfig::TFeatureFlags::VALUE_FALSE); 
-    } 
-}; 
- 
-} // NKikimr 
+
+namespace NKikimr {
+
+class TFeatureFlags: public NKikimrConfig::TFeatureFlags {
+    using TBase = NKikimrConfig::TFeatureFlags;
+
+public:
+    using TBase::TBase;
+    using TBase::operator=;
+
+    inline std::optional<bool> GetEnableMvcc() const {
+        switch (TBase::GetEnableMvcc()) {
+        case NKikimrConfig::TFeatureFlags::UNSET:
+            return std::nullopt;
+        case NKikimrConfig::TFeatureFlags::VALUE_TRUE:
+            return true;
+        case NKikimrConfig::TFeatureFlags::VALUE_FALSE:
+            return false;
+        }
+    }
+
+    inline void SetEnableMvccSnapshotReadsForTest(bool value) {
+        SetEnableMvccSnapshotReads(value);
+    }
+
+    inline void SetEnableBackgroundCompactionForTest(bool value) {
+        SetEnableBackgroundCompaction(value);
+    }
+
+    inline void SetEnableBackgroundCompactionServerlessForTest(bool value) {
+        SetEnableBackgroundCompactionServerless(value);
+    }
+
+    inline void SetEnableOlapSchemaOperationsForTest(bool value) {
+        SetEnableOlapSchemaOperations(value);
+    }
+
+    inline void SetEnableMvccForTest(bool value) {
+        SetEnableMvcc(value
+            ? NKikimrConfig::TFeatureFlags::VALUE_TRUE
+            : NKikimrConfig::TFeatureFlags::VALUE_FALSE);
+    }
+};
+
+} // NKikimr
diff --git a/ydb/core/base/localdb.cpp b/ydb/core/base/localdb.cpp
index 8949fe3979..d07ee26fc1 100644
--- a/ydb/core/base/localdb.cpp
+++ b/ydb/core/base/localdb.cpp
@@ -1,5 +1,5 @@
 #include "localdb.h"
-#include "compile_time_flags.h" 
+#include "compile_time_flags.h"
 
 #include <ydb/core/protos/resource_broker.pb.h>
 
diff --git a/ydb/core/base/path.cpp b/ydb/core/base/path.cpp
index 91b78f2472..0cfb16f99d 100644
--- a/ydb/core/base/path.cpp
+++ b/ydb/core/base/path.cpp
@@ -1,10 +1,10 @@
 #include "path.h"
 
-#include <util/string/builder.h> 
+#include <util/string/builder.h>
 #include <util/string/printf.h>
 
 namespace NKikimr {
- 
+
 TVector<TString> SplitPath(TString path) {
     TVector<TString> res;
     if (path.empty())
@@ -161,47 +161,47 @@ TStringBuf ExtractBase(const TString &path) noexcept {
     return parent.RAfter('/');
 }
 
-bool TrySplitPathByDb(const TString& path, const TString& database, 
-    std::pair<TString, TString>& result, TString& error) 
-{ 
-    auto makeWrongDbError = [&]() { 
-        return TStringBuilder() << "Table path not in database, path: " << path << ", database: " << database; 
-    }; 
- 
-    auto pathParts = SplitPath(path); 
-    auto databaseParts = SplitPath(database); 
- 
-    if (pathParts.size() <= databaseParts.size()) { 
-        error = makeWrongDbError(); 
-        return false; 
-    } 
- 
-    if (databaseParts.empty()) { 
-        if (pathParts.size() < 2) { 
-            error = TStringBuilder() << "Bad table path: " << path; 
-            return false; 
-        } 
- 
-        result = std::make_pair( 
-            CombinePath(pathParts.begin(), pathParts.begin() + 1), 
-            CombinePath(pathParts.begin() + 1, pathParts.end(), false)); 
- 
-        return true; 
-    } 
- 
-    for (ui32 i = 0; i < databaseParts.size(); ++i) { 
-        if (pathParts[i] != databaseParts[i]) { 
-            error = makeWrongDbError(); 
-            return false; 
-        } 
-    } 
- 
-    result = std::make_pair( 
-        CombinePath(databaseParts.begin(), databaseParts.end()), 
-        CombinePath(pathParts.begin() + databaseParts.size(), pathParts.end(), false) 
-    ); 
- 
-    return true; 
+bool TrySplitPathByDb(const TString& path, const TString& database,
+    std::pair<TString, TString>& result, TString& error)
+{
+    auto makeWrongDbError = [&]() {
+        return TStringBuilder() << "Table path not in database, path: " << path << ", database: " << database;
+    };
+
+    auto pathParts = SplitPath(path);
+    auto databaseParts = SplitPath(database);
+
+    if (pathParts.size() <= databaseParts.size()) {
+        error = makeWrongDbError();
+        return false;
+    }
+
+    if (databaseParts.empty()) {
+        if (pathParts.size() < 2) {
+            error = TStringBuilder() << "Bad table path: " << path;
+            return false;
+        }
+
+        result = std::make_pair(
+            CombinePath(pathParts.begin(), pathParts.begin() + 1),
+            CombinePath(pathParts.begin() + 1, pathParts.end(), false));
+
+        return true;
+    }
+
+    for (ui32 i = 0; i < databaseParts.size(); ++i) {
+        if (pathParts[i] != databaseParts[i]) {
+            error = makeWrongDbError();
+            return false;
+        }
+    }
+
+    result = std::make_pair(
+        CombinePath(databaseParts.begin(), databaseParts.end()),
+        CombinePath(pathParts.begin() + databaseParts.size(), pathParts.end(), false)
+    );
+
+    return true;
+}
+
 }
- 
-} 
diff --git a/ydb/core/base/path.h b/ydb/core/base/path.h
index 11d77f033d..c2b93d2baf 100644
--- a/ydb/core/base/path.h
+++ b/ydb/core/base/path.h
@@ -5,7 +5,7 @@
 #include <util/string/join.h>
 
 namespace NKikimr {
- 
+
 TVector<TString> SplitPath(TString path);
 TString JoinPath(const TVector<TString>& path);
 TString CanonizePath(const TString &path);
@@ -19,15 +19,15 @@ bool IsEqualPaths(const TString& l, const TString& r) noexcept;
 bool IsStartWithSlash(const TString& l);
 bool CheckDbPath(const TString &path, const TString &domain, TString &error);
 TString::const_iterator PathPartBrokenAt(const TString &part, const TStringBuf extraSymbols = {});
-bool TrySplitPathByDb(const TString& path, const TString& database, 
-    std::pair<TString, TString>& result, TString& error); 
- 
-template <typename TIter> 
-TString CombinePath(TIter begin, TIter end, bool canonize = true) { 
-    auto path = JoinRange("/", begin, end); 
-    return canonize 
-        ? CanonizePath(path) 
-        : path; 
+bool TrySplitPathByDb(const TString& path, const TString& database,
+    std::pair<TString, TString>& result, TString& error);
+
+template <typename TIter>
+TString CombinePath(TIter begin, TIter end, bool canonize = true) {
+    auto path = JoinRange("/", begin, end);
+    return canonize
+        ? CanonizePath(path)
+        : path;
+}
+
 }
- 
-} 
diff --git a/ydb/core/base/pathid.cpp b/ydb/core/base/pathid.cpp
index 553cc08533..0ad8a2d93c 100644
--- a/ydb/core/base/pathid.cpp
+++ b/ydb/core/base/pathid.cpp
@@ -1,52 +1,52 @@
-#include "pathid.h" 
- 
-#include <util/stream/str.h> 
- 
-namespace NKikimr { 
- 
-ui64 TPathId::Hash() const { 
-    return Hash128to32(OwnerId, LocalPathId); 
-} 
- 
-TString TPathId::ToString() const { 
-    TString result; 
-    TStringOutput out(result); 
-    Out(out); 
-    return result; 
-} 
- 
-void TPathId::Out(IOutputStream& o) const { 
-    if (!*this) { 
-        o << "<Invalid>"; 
-    } else { 
-        o << "[OwnerId: " << OwnerId << ", LocalPathId: " << LocalPathId << "]"; 
-    } 
-} 
- 
-bool TPathId::operator<(const TPathId& x) const { 
-    return OwnerId != x.OwnerId ? OwnerId < x.OwnerId : LocalPathId < x.LocalPathId; 
-} 
- 
-bool TPathId::operator>(const TPathId& x) const { 
-    return x < *this; 
-} 
- 
-bool TPathId::operator<=(const TPathId& x) const { 
-    return OwnerId != x.OwnerId ? OwnerId < x.OwnerId : LocalPathId <= x.LocalPathId; 
-} 
- 
-bool TPathId::operator>=(const TPathId& x) const { 
-    return x <= *this; 
-} 
- 
-bool TPathId::operator==(const TPathId& x) const { 
-    return OwnerId == x.OwnerId && LocalPathId == x.LocalPathId; 
-} 
- 
-bool TPathId::operator!=(const TPathId& x) const { 
-    return OwnerId != x.OwnerId || LocalPathId != x.LocalPathId; 
-} 
- 
+#include "pathid.h"
+
+#include <util/stream/str.h>
+
+namespace NKikimr {
+
+ui64 TPathId::Hash() const {
+    return Hash128to32(OwnerId, LocalPathId);
+}
+
+TString TPathId::ToString() const {
+    TString result;
+    TStringOutput out(result);
+    Out(out);
+    return result;
+}
+
+void TPathId::Out(IOutputStream& o) const {
+    if (!*this) {
+        o << "<Invalid>";
+    } else {
+        o << "[OwnerId: " << OwnerId << ", LocalPathId: " << LocalPathId << "]";
+    }
+}
+
+bool TPathId::operator<(const TPathId& x) const {
+    return OwnerId != x.OwnerId ? OwnerId < x.OwnerId : LocalPathId < x.LocalPathId;
+}
+
+bool TPathId::operator>(const TPathId& x) const {
+    return x < *this;
+}
+
+bool TPathId::operator<=(const TPathId& x) const {
+    return OwnerId != x.OwnerId ? OwnerId < x.OwnerId : LocalPathId <= x.LocalPathId;
+}
+
+bool TPathId::operator>=(const TPathId& x) const {
+    return x <= *this;
+}
+
+bool TPathId::operator==(const TPathId& x) const {
+    return OwnerId == x.OwnerId && LocalPathId == x.LocalPathId;
+}
+
+bool TPathId::operator!=(const TPathId& x) const {
+    return OwnerId != x.OwnerId || LocalPathId != x.LocalPathId;
+}
+
 TPathId TPathId::NextId() const {
     if (!this->operator bool()) {
         return TPathId();
@@ -79,17 +79,17 @@ TPathId TPathId::PrevId() const {
     return TPathId(OwnerId, LocalPathId - 1);
 }
 
-TPathId::operator bool() const { 
-    return OwnerId != InvalidOwnerId && LocalPathId != InvalidLocalPathId; 
-} 
- 
-TPathId PathIdFromPathId(const NKikimrProto::TPathID& proto) { 
-    return TPathId(proto.GetOwnerId(), proto.GetLocalId()); 
-} 
- 
-void PathIdFromPathId(const TPathId& pathId, NKikimrProto::TPathID* proto) { 
-    proto->SetOwnerId(pathId.OwnerId); 
-    proto->SetLocalId(pathId.LocalPathId); 
-} 
- 
-} // NKikimr 
+TPathId::operator bool() const {
+    return OwnerId != InvalidOwnerId && LocalPathId != InvalidLocalPathId;
+}
+
+TPathId PathIdFromPathId(const NKikimrProto::TPathID& proto) {
+    return TPathId(proto.GetOwnerId(), proto.GetLocalId());
+}
+
+void PathIdFromPathId(const TPathId& pathId, NKikimrProto::TPathID* proto) {
+    proto->SetOwnerId(pathId.OwnerId);
+    proto->SetLocalId(pathId.LocalPathId);
+}
+
+} // NKikimr
diff --git a/ydb/core/base/pathid.h b/ydb/core/base/pathid.h
index 9f989fc64c..e974f84613 100644
--- a/ydb/core/base/pathid.h
+++ b/ydb/core/base/pathid.h
@@ -1,21 +1,21 @@
-#pragma once 
- 
-#include "defs.h" 
- 
-#include <ydb/core/protos/base.pb.h> 
- 
-namespace NKikimr { 
- 
-using TOwnerId = ui64; 
+#pragma once
+
+#include "defs.h"
+
+#include <ydb/core/protos/base.pb.h>
+
+namespace NKikimr {
+
+using TOwnerId = ui64;
 constexpr TOwnerId InvalidOwnerId = Max<ui64>();
- 
-using TLocalPathId = ui64; 
+
+using TLocalPathId = ui64;
 constexpr TLocalPathId InvalidLocalPathId = Max<ui64>();
- 
-struct TPathId { 
-    TOwnerId OwnerId; 
-    TLocalPathId LocalPathId; 
- 
+
+struct TPathId {
+    TOwnerId OwnerId;
+    TLocalPathId LocalPathId;
+
     constexpr TPathId()
         : OwnerId(InvalidOwnerId)
         , LocalPathId(InvalidLocalPathId)
@@ -25,36 +25,36 @@ struct TPathId {
         , LocalPathId(localPathId)
     {
     }
- 
-    ui64 Hash() const; 
-    TString ToString() const; 
-    void Out(IOutputStream& o) const; 
- 
-    bool operator<(const TPathId& x) const; 
-    bool operator>(const TPathId& x) const; 
-    bool operator<=(const TPathId& x) const; 
-    bool operator>=(const TPathId& x) const; 
-    bool operator==(const TPathId& x) const; 
-    bool operator!=(const TPathId& x) const; 
+
+    ui64 Hash() const;
+    TString ToString() const;
+    void Out(IOutputStream& o) const;
+
+    bool operator<(const TPathId& x) const;
+    bool operator>(const TPathId& x) const;
+    bool operator<=(const TPathId& x) const;
+    bool operator>=(const TPathId& x) const;
+    bool operator==(const TPathId& x) const;
+    bool operator!=(const TPathId& x) const;
     explicit operator bool() const;
- 
+
     TPathId NextId() const;
     TPathId PrevId() const;
 
-}; // TPathId 
- 
-TPathId PathIdFromPathId(const NKikimrProto::TPathID& proto); 
-void PathIdFromPathId(const TPathId& pathId, NKikimrProto::TPathID* proto); 
- 
-} // NKikimr 
- 
-template<> 
-struct THash<NKikimr::TPathId> { 
-    inline ui64 operator()(const NKikimr::TPathId& x) const noexcept { 
-        return x.Hash(); 
-    } 
-}; 
- 
+}; // TPathId
+
+TPathId PathIdFromPathId(const NKikimrProto::TPathID& proto);
+void PathIdFromPathId(const TPathId& pathId, NKikimrProto::TPathID* proto);
+
+} // NKikimr
+
+template<>
+struct THash<NKikimr::TPathId> {
+    inline ui64 operator()(const NKikimr::TPathId& x) const noexcept {
+        return x.Hash();
+    }
+};
+
 namespace std {
 template <>
 struct hash<NKikimr::TPathId> {
@@ -64,7 +64,7 @@ struct hash<NKikimr::TPathId> {
 };
 }
 
-template<> 
-inline void Out<NKikimr::TPathId>(IOutputStream& o, const NKikimr::TPathId& x) { 
-    return x.Out(o); 
-} 
+template<>
+inline void Out<NKikimr::TPathId>(IOutputStream& o, const NKikimr::TPathId& x) {
+    return x.Out(o);
+}
diff --git a/ydb/core/base/statestorage.h b/ydb/core/base/statestorage.h
index af68404ddc..9b3e3b6b1b 100644
--- a/ydb/core/base/statestorage.h
+++ b/ydb/core/base/statestorage.h
@@ -22,8 +22,8 @@ struct TEvStateStorage {
         EvCleanup,
         EvResolveBoard,
         EvBoardInfo,
-        EvResolveSchemeBoard, // subset (by hash) 
-        EvListSchemeBoard, // all 
+        EvResolveSchemeBoard, // subset (by hash)
+        EvListSchemeBoard, // all
         EvUpdateGroupConfig,
 
         // replies (local, from proxy)
@@ -32,7 +32,7 @@ struct TEvStateStorage {
         EvResolveReplicasList,
         EvResponseReplicasDumps,
         EvDeleteResult,
-        EvListSchemeBoardResult, 
+        EvListSchemeBoardResult,
 
         // replicas interface
         EvReplicaLookup = EvLock + 2 * 512,
@@ -358,7 +358,7 @@ struct TEvStateStorage {
 
     struct TEvResolveReplicas;
     struct TEvResolveBoard;
-    struct TEvResolveSchemeBoard; 
+    struct TEvResolveSchemeBoard;
     struct TEvResolveReplicasList;
     struct TEvReplicaLookup;
     struct TEvReplicaInfo;
@@ -371,8 +371,8 @@ struct TEvStateStorage {
     struct TEvReplicaBoardCleanup;
     struct TEvReplicaBoardPublishAck;
     struct TEvReplicaBoardInfo;
-    struct TEvListSchemeBoard; 
-    struct TEvListSchemeBoardResult; 
+    struct TEvListSchemeBoard;
+    struct TEvListSchemeBoardResult;
     struct TEvUpdateGroupConfig;
     struct TEvReplicaProbeSubscribe;
     struct TEvReplicaProbeUnsubscribe;
@@ -514,7 +514,7 @@ void BuildStateStorageInfos(const NKikimrConfig::TDomainsConfig::TStateStorage&
 
 IActor* CreateStateStorageWarden(const TIntrusivePtr<TStateStorageInfo> &info, const TIntrusivePtr<TStateStorageInfo> &board, const TIntrusivePtr<TStateStorageInfo> &schemeBoard);
 
-IActor* CreateStateStorageProxy(const TIntrusivePtr<TStateStorageInfo> &info, const TIntrusivePtr<TStateStorageInfo> &board, const TIntrusivePtr<TStateStorageInfo> &schemeBoard); 
+IActor* CreateStateStorageProxy(const TIntrusivePtr<TStateStorageInfo> &info, const TIntrusivePtr<TStateStorageInfo> &board, const TIntrusivePtr<TStateStorageInfo> &schemeBoard);
 IActor* CreateStateStorageProxyStub();
 IActor* CreateStateStorageReplica(const TIntrusivePtr<TStateStorageInfo> &info, ui32 replicaIndex);
 IActor* CreateStateStorageMonitoringActor(ui64 targetTablet, const TActorId &sender, const TString &query);
diff --git a/ydb/core/base/statestorage_guardian.cpp b/ydb/core/base/statestorage_guardian.cpp
index 3efacbdad7..f1df97896b 100644
--- a/ydb/core/base/statestorage_guardian.cpp
+++ b/ydb/core/base/statestorage_guardian.cpp
@@ -2,16 +2,16 @@
 #include "statestorage_guardian_impl.h"
 #include "tabletid.h"
 #include "tablet.h"
- 
+
 #include <ydb/core/base/appdata.h>
 #include <ydb/core/base/compile_time_flags.h>
 #include <ydb/core/protos/services.pb.h>
- 
-#include <library/cpp/actors/core/actor_bootstrapped.h> 
-#include <library/cpp/actors/core/hfunc.h> 
+
+#include <library/cpp/actors/core/actor_bootstrapped.h>
+#include <library/cpp/actors/core/hfunc.h>
 #include <library/cpp/actors/core/interconnect.h>
- 
-#include <util/generic/algorithm.h> 
+
+#include <util/generic/algorithm.h>
 #include <util/generic/xrange.h>
 
 namespace NKikimr {
diff --git a/ydb/core/base/statestorage_impl.h b/ydb/core/base/statestorage_impl.h
index 5e1b65699e..2a2aa22f6a 100644
--- a/ydb/core/base/statestorage_impl.h
+++ b/ydb/core/base/statestorage_impl.h
@@ -1,5 +1,5 @@
 #pragma once
-#include "pathid.h" 
+#include "pathid.h"
 #include "statestorage.h"
 
 namespace NKikimr {
@@ -127,44 +127,44 @@ struct TEvStateStorage::TEvResolveBoard : public TEventLocal<TEvResolveBoard, Ev
     {}
 };
 
-struct TEvStateStorage::TEvResolveSchemeBoard : public TEventLocal<TEvResolveSchemeBoard, EvResolveSchemeBoard> { 
-    enum EKeyType { 
-        KeyTypePath, 
-        KeyTypePathId, 
-    }; 
- 
-    const TString Path; 
-    const TPathId PathId; 
- 
-    const EKeyType KeyType; 
- 
-    TEvResolveSchemeBoard(const TString &path) 
-        : Path(path) 
-        , KeyType(KeyTypePath) 
-    {} 
- 
-    TEvResolveSchemeBoard(const TPathId& pathId) 
-        : PathId(pathId) 
-        , KeyType(KeyTypePathId) 
-    {} 
-}; 
- 
+struct TEvStateStorage::TEvResolveSchemeBoard : public TEventLocal<TEvResolveSchemeBoard, EvResolveSchemeBoard> {
+    enum EKeyType {
+        KeyTypePath,
+        KeyTypePathId,
+    };
+
+    const TString Path;
+    const TPathId PathId;
+
+    const EKeyType KeyType;
+
+    TEvResolveSchemeBoard(const TString &path)
+        : Path(path)
+        , KeyType(KeyTypePath)
+    {}
+
+    TEvResolveSchemeBoard(const TPathId& pathId)
+        : PathId(pathId)
+        , KeyType(KeyTypePathId)
+    {}
+};
+
 struct TEvStateStorage::TEvResolveReplicasList : public TEventLocal<TEvResolveReplicasList, EvResolveReplicasList> {
     TVector<TActorId> Replicas;
     ui32 ConfigContentHash = Max<ui32>();
 };
 
-struct TEvStateStorage::TEvListSchemeBoard : public TEventLocal<TEvListSchemeBoard, EvListSchemeBoard> { 
-}; 
- 
-struct TEvStateStorage::TEvListSchemeBoardResult : public TEventLocal<TEvListSchemeBoardResult, EvListSchemeBoardResult> { 
+struct TEvStateStorage::TEvListSchemeBoard : public TEventLocal<TEvListSchemeBoard, EvListSchemeBoard> {
+};
+
+struct TEvStateStorage::TEvListSchemeBoardResult : public TEventLocal<TEvListSchemeBoardResult, EvListSchemeBoardResult> {
     TIntrusiveConstPtr<TStateStorageInfo> Info;
 
     TEvListSchemeBoardResult(const TIntrusiveConstPtr<TStateStorageInfo> &info)
         : Info(info)
     {}
-}; 
- 
+};
+
 struct TEvStateStorage::TEvReplicaLookup : public TEventPB<TEvStateStorage::TEvReplicaLookup, NKikimrStateStorage::TEvLookup, TEvStateStorage::EvReplicaLookup>{
     struct TActualityCounter : public TRefCounted<TActualityCounter, TAtomicCounter> {};
     using TActualityCounterPtr = TIntrusivePtr<TActualityCounter>;
diff --git a/ydb/core/base/statestorage_proxy.cpp b/ydb/core/base/statestorage_proxy.cpp
index 792a5ed44c..13d396cb0f 100644
--- a/ydb/core/base/statestorage_proxy.cpp
+++ b/ydb/core/base/statestorage_proxy.cpp
@@ -1,15 +1,15 @@
 #include "statestorage_impl.h"
 #include "tabletid.h"
- 
+
 #include <ydb/core/base/compile_time_flags.h>
 #include <ydb/core/protos/services.pb.h>
- 
-#include <library/cpp/actors/core/actor_bootstrapped.h> 
-#include <library/cpp/actors/core/hfunc.h> 
+
+#include <library/cpp/actors/core/actor_bootstrapped.h>
+#include <library/cpp/actors/core/hfunc.h>
 #include <library/cpp/actors/core/interconnect.h>
 #include <library/cpp/actors/core/log.h>
 #include <library/cpp/actors/helpers/flow_controlled_queue.h>
- 
+
 #include <util/digest/city.h>
 #include <util/generic/xrange.h>
 
@@ -736,7 +736,7 @@ public:
 class TStateStorageProxy : public TActor<TStateStorageProxy> {
     TIntrusivePtr<TStateStorageInfo> Info;
     TIntrusivePtr<TStateStorageInfo> BoardInfo;
-    TIntrusivePtr<TStateStorageInfo> SchemeBoardInfo; 
+    TIntrusivePtr<TStateStorageInfo> SchemeBoardInfo;
 
     TIntrusivePtr<TStateStorageInfo> FlowControlledInfo;
 
@@ -763,55 +763,55 @@ class TStateStorageProxy : public TActor<TStateStorageProxy> {
     }
 
     void Handle(TEvStateStorage::TEvResolveReplicas::TPtr &ev) {
-        ResolveReplicas(ev, ev->Get()->TabletID, Info); 
-    } 
-
-    void Handle(TEvStateStorage::TEvResolveBoard::TPtr &ev) { 
-        if (!BoardInfo) { 
-            Send(ev->Sender, new TEvStateStorage::TEvResolveReplicasList(), 0, ev->Cookie); 
-            return; 
-        } 
- 
-        const auto *msg = ev->Get(); 
-        const ui64 pathHash = CityHash64(msg->Path); 
- 
-        ResolveReplicas(ev, pathHash, BoardInfo); 
-    } 
- 
-    void Handle(TEvStateStorage::TEvResolveSchemeBoard::TPtr &ev) { 
-        if (!SchemeBoardInfo) { 
-            Send(ev->Sender, new TEvStateStorage::TEvResolveReplicasList(), 0, ev->Cookie); 
-            return; 
-        } 
- 
-        const auto *msg = ev->Get(); 
- 
+        ResolveReplicas(ev, ev->Get()->TabletID, Info);
+    }
+
+    void Handle(TEvStateStorage::TEvResolveBoard::TPtr &ev) {
+        if (!BoardInfo) {
+            Send(ev->Sender, new TEvStateStorage::TEvResolveReplicasList(), 0, ev->Cookie);
+            return;
+        }
+
+        const auto *msg = ev->Get();
+        const ui64 pathHash = CityHash64(msg->Path);
+
+        ResolveReplicas(ev, pathHash, BoardInfo);
+    }
+
+    void Handle(TEvStateStorage::TEvResolveSchemeBoard::TPtr &ev) {
+        if (!SchemeBoardInfo) {
+            Send(ev->Sender, new TEvStateStorage::TEvResolveReplicasList(), 0, ev->Cookie);
+            return;
+        }
+
+        const auto *msg = ev->Get();
+
         ui64 fakeTabletId;
-        switch (msg->KeyType) { 
-        case TEvStateStorage::TEvResolveSchemeBoard::KeyTypePath: 
+        switch (msg->KeyType) {
+        case TEvStateStorage::TEvResolveSchemeBoard::KeyTypePath:
             fakeTabletId = CityHash64(msg->Path);
-            break; 
- 
-        case TEvStateStorage::TEvResolveSchemeBoard::KeyTypePathId: 
+            break;
+
+        case TEvStateStorage::TEvResolveSchemeBoard::KeyTypePathId:
             fakeTabletId = msg->PathId.Hash();
-            break; 
- 
-        default: 
-            Y_FAIL("unreachable"); 
-        } 
- 
+            break;
+
+        default:
+            Y_FAIL("unreachable");
+        }
+
         ResolveReplicas(ev, fakeTabletId, SchemeBoardInfo);
-    } 
- 
-    void Handle(TEvStateStorage::TEvListSchemeBoard::TPtr &ev) { 
-        if (!SchemeBoardInfo) { 
+    }
+
+    void Handle(TEvStateStorage::TEvListSchemeBoard::TPtr &ev) {
+        if (!SchemeBoardInfo) {
             Send(ev->Sender, new TEvStateStorage::TEvListSchemeBoardResult(nullptr), 0, ev->Cookie);
-            return; 
-        } 
- 
+            return;
+        }
+
         Send(ev->Sender, new TEvStateStorage::TEvListSchemeBoardResult(SchemeBoardInfo), 0, ev->Cookie);
-    } 
- 
+    }
+
     void Handle(TEvStateStorage::TEvReplicaProbeSubscribe::TPtr &ev) {
         const auto *msg = ev->Get();
 
@@ -872,8 +872,8 @@ class TStateStorageProxy : public TActor<TStateStorageProxy> {
             }
     }
 
-    template<typename TEventPtr> 
-    void ResolveReplicas(const TEventPtr &ev, ui64 tabletId, const TIntrusivePtr<TStateStorageInfo> &info) const { 
+    template<typename TEventPtr>
+    void ResolveReplicas(const TEventPtr &ev, ui64 tabletId, const TIntrusivePtr<TStateStorageInfo> &info) const {
         THolder<TStateStorageInfo::TSelection> selection(new TStateStorageInfo::TSelection());
         info->SelectReplicas(tabletId, selection.Get());
 
@@ -950,14 +950,14 @@ public:
         return NKikimrServices::TActivity::SS_PROXY;
     }
 
-    TStateStorageProxy( 
-            const TIntrusivePtr<TStateStorageInfo> &info, 
-            const TIntrusivePtr<TStateStorageInfo> &boardInfo, 
-            const TIntrusivePtr<TStateStorageInfo> &schemeBoardInfo) 
+    TStateStorageProxy(
+            const TIntrusivePtr<TStateStorageInfo> &info,
+            const TIntrusivePtr<TStateStorageInfo> &boardInfo,
+            const TIntrusivePtr<TStateStorageInfo> &schemeBoardInfo)
         : TActor(&TThis::StateInit)
         , Info(info)
         , BoardInfo(boardInfo)
-        , SchemeBoardInfo(schemeBoardInfo) 
+        , SchemeBoardInfo(schemeBoardInfo)
     {}
 
     STATEFN(StateInit) {
@@ -970,8 +970,8 @@ public:
             hFunc(TEvStateStorage::TEvCleanup, Handle);
             hFunc(TEvStateStorage::TEvResolveReplicas, Handle);
             hFunc(TEvStateStorage::TEvResolveBoard, Handle);
-            hFunc(TEvStateStorage::TEvResolveSchemeBoard, Handle); 
-            hFunc(TEvStateStorage::TEvListSchemeBoard, Handle); 
+            hFunc(TEvStateStorage::TEvResolveSchemeBoard, Handle);
+            hFunc(TEvStateStorage::TEvListSchemeBoard, Handle);
             hFunc(TEvStateStorage::TEvUpdateGroupConfig, Handle);
             hFunc(TEvStateStorage::TEvReplicaProbeSubscribe, Handle);
             hFunc(TEvStateStorage::TEvReplicaProbeUnsubscribe, Handle);
@@ -1017,12 +1017,12 @@ public:
     }
 };
 
-IActor* CreateStateStorageProxy( 
-    const TIntrusivePtr<TStateStorageInfo> &info, 
-    const TIntrusivePtr<TStateStorageInfo> &board, 
-    const TIntrusivePtr<TStateStorageInfo> &schemeBoard 
-) { 
-    return new TStateStorageProxy(info, board, schemeBoard); 
+IActor* CreateStateStorageProxy(
+    const TIntrusivePtr<TStateStorageInfo> &info,
+    const TIntrusivePtr<TStateStorageInfo> &board,
+    const TIntrusivePtr<TStateStorageInfo> &schemeBoard
+) {
+    return new TStateStorageProxy(info, board, schemeBoard);
 }
 
 IActor* CreateStateStorageProxyStub() {
diff --git a/ydb/core/base/tablet_types.h b/ydb/core/base/tablet_types.h
index 72e958762b..f585819299 100644
--- a/ydb/core/base/tablet_types.h
+++ b/ydb/core/base/tablet_types.h
@@ -40,7 +40,7 @@ public:
     static constexpr EType FILESTORE = FileStore;
     static constexpr EType TESTSHARD = TestShard;
     static constexpr EType SEQUENCESHARD = SequenceShard;
-    static constexpr EType REPLICATION_CONTROLLER = ReplicationController; 
+    static constexpr EType REPLICATION_CONTROLLER = ReplicationController;
 
     static const char* TypeToStr(EType t) {
         return EType_Name(t).c_str();
@@ -58,6 +58,6 @@ public:
 
 } // end of NKikimr
 
-Y_DECLARE_OUT_SPEC(inline, NKikimrTabletBase::TTabletTypes::EType, os, type) { 
+Y_DECLARE_OUT_SPEC(inline, NKikimrTabletBase::TTabletTypes::EType, os, type) {
     os << NKikimrTabletBase::TTabletTypes::EType_Name(type);
 }
diff --git a/ydb/core/base/ya.make b/ydb/core/base/ya.make
index bff630a029..83db5825c3 100644
--- a/ydb/core/base/ya.make
+++ b/ydb/core/base/ya.make
@@ -43,7 +43,7 @@ SRCS(
     logoblob.h
     nameservice.h
     path.cpp
-    pathid.cpp 
+    pathid.cpp
     pool_stats_collector.cpp
     pool_stats_collector.h
     quoter.cpp
diff --git a/ydb/core/blobstorage/pdisk/blobstorage_pdisk_config.h b/ydb/core/blobstorage/pdisk/blobstorage_pdisk_config.h
index 0d6b560dc7..a3d764aa7e 100644
--- a/ydb/core/blobstorage/pdisk/blobstorage_pdisk_config.h
+++ b/ydb/core/blobstorage/pdisk/blobstorage_pdisk_config.h
@@ -9,7 +9,7 @@
 #include <ydb/core/control/immediate_control_board_wrapper.h>
 #include <ydb/core/protos/blobstorage.pb.h>
 #include <ydb/core/protos/config.pb.h>
- 
+
 #include <ydb/library/pdisk_io/file_params.h>
 #include <ydb/library/pdisk_io/sector_map.h>
 
diff --git a/ydb/core/blobstorage/pdisk/blobstorage_pdisk_writer.h b/ydb/core/blobstorage/pdisk/blobstorage_pdisk_writer.h
index a1de195411..6b818645dd 100644
--- a/ydb/core/blobstorage/pdisk/blobstorage_pdisk_writer.h
+++ b/ydb/core/blobstorage/pdisk/blobstorage_pdisk_writer.h
@@ -1,13 +1,13 @@
 #pragma once
 #include "defs.h"
- 
+
 #include "blobstorage_pdisk.h"
 #include "blobstorage_pdisk_crypto.h"
 #include "blobstorage_pdisk_data.h"
 #include "blobstorage_pdisk_drivemodel.h"
 #include "blobstorage_pdisk_mon.h"
 #include "blobstorage_pdisk_request_id.h"
- 
+
 #include <ydb/core/base/compile_time_flags.h>
 #include <ydb/core/blobstorage/crypto/crypto.h>
 
diff --git a/ydb/core/blobstorage/vdisk/common/vdisk_events.h b/ydb/core/blobstorage/vdisk/common/vdisk_events.h
index cf8bffa293..47fbd959c9 100644
--- a/ydb/core/blobstorage/vdisk/common/vdisk_events.h
+++ b/ydb/core/blobstorage/vdisk/common/vdisk_events.h
@@ -18,10 +18,10 @@
 #include <ydb/core/util/pb.h>
 
 #include <library/cpp/string_utils/base64/base64.h>
- 
+
 #include <util/digest/multi.h>
 #include <util/generic/maybe.h>
-#include <util/stream/str.h> 
+#include <util/stream/str.h>
 #include <util/string/escape.h>
 
 // FIXME: this check is obsolete; TEvVGet message generators check expected reply size by their own
diff --git a/ydb/core/client/client_ut.cpp b/ydb/core/client/client_ut.cpp
index 2577f233fb..b94c722588 100644
--- a/ydb/core/client/client_ut.cpp
+++ b/ydb/core/client/client_ut.cpp
@@ -15,10 +15,10 @@
 
 #include <ydb/library/yql/ast/yql_ast.h>
 #include <ydb/library/yql/ast/yql_expr.h>
- 
+
 #include <util/folder/path.h>
-#include <util/generic/xrange.h> 
-#include <util/string/subst.h> 
+#include <util/generic/xrange.h>
+#include <util/string/subst.h>
 #include <util/thread/pool.h>
 
 namespace NKikimr {
diff --git a/ydb/core/client/flat_ut.cpp b/ydb/core/client/flat_ut.cpp
index 78e9360829..362c052aa1 100644
--- a/ydb/core/client/flat_ut.cpp
+++ b/ydb/core/client/flat_ut.cpp
@@ -1931,7 +1931,7 @@ Y_UNIT_TEST_SUITE(TFlatTest) {
         annoyingClient.InitRoot();
         annoyingClient.MkDir("/dc-1", "Dir");
 
-        for (int colCount = 1; colCount < 100; ++colCount) { 
+        for (int colCount = 1; colCount < 100; ++colCount) {
             NKikimrSchemeOp::TTableDescription schema;
             TString name = "Table_" + ToString(colCount);
             schema.SetName(name);
@@ -1943,8 +1943,8 @@ Y_UNIT_TEST_SUITE(TFlatTest) {
             }
             schema.AddKeyColumnNames("col_0");
 
-            while (annoyingClient.CreateTable("/dc-1/Dir", schema) != NMsgBusProxy::MSTATUS_OK) {} 
-            while (annoyingClient.CreateTable("/dc-1/Dir", " Name: '" + name + "_Copy' CopyFromTable: '/dc-1/Dir/" + name + "'") != NMsgBusProxy::MSTATUS_OK) {} 
+            while (annoyingClient.CreateTable("/dc-1/Dir", schema) != NMsgBusProxy::MSTATUS_OK) {}
+            while (annoyingClient.CreateTable("/dc-1/Dir", " Name: '" + name + "_Copy' CopyFromTable: '/dc-1/Dir/" + name + "'") != NMsgBusProxy::MSTATUS_OK) {}
 
             auto fnGetColumns = [](const NMsgBusProxy::TBusResponse* lsRes) {
                 UNIT_ASSERT(lsRes);
@@ -3161,7 +3161,7 @@ Y_UNIT_TEST_SUITE(TFlatTest) {
     Y_UNIT_TEST(AutoSplitMergeQueue) {
         TPortManager pm;
         ui16 port = pm.GetPort(2134);
-        TServer cleverServer = TServer(TServerSettings(port).SetEnableMvcc(false)); 
+        TServer cleverServer = TServer(TServerSettings(port).SetEnableMvcc(false));
         DisableSplitMergePartCountLimit(cleverServer);
 
         cleverServer.GetRuntime()->SetLogPriority(NKikimrServices::OPS_COMPACT, NActors::NLog::PRI_ERROR);
diff --git a/ydb/core/client/minikql_compile/mkql_compile_service.cpp b/ydb/core/client/minikql_compile/mkql_compile_service.cpp
index cb019d2ccf..e01d61a22c 100644
--- a/ydb/core/client/minikql_compile/mkql_compile_service.cpp
+++ b/ydb/core/client/minikql_compile/mkql_compile_service.cpp
@@ -82,8 +82,8 @@ public:
     }
 
     NYql::IDbSchemeResolver* MakeDbSchemeResolver(const TActorContext& ctx) {
-        auto cacheConfig = MakeIntrusive<NSchemeCache::TSchemeCacheConfig>(AppData(ctx), Counters); 
-        SchemeCache = ctx.ExecutorThread.RegisterActor(CreateSchemeBoardSchemeCache(cacheConfig.Get())); 
+        auto cacheConfig = MakeIntrusive<NSchemeCache::TSchemeCacheConfig>(AppData(ctx), Counters);
+        SchemeCache = ctx.ExecutorThread.RegisterActor(CreateSchemeBoardSchemeCache(cacheConfig.Get()));
         return NSchCache::CreateDbSchemeResolver(ctx.ExecutorThread.ActorSystem, SchemeCache);
     }
 
diff --git a/ydb/core/client/minikql_compile/yql_expr_minikql.cpp b/ydb/core/client/minikql_compile/yql_expr_minikql.cpp
index c37de19492..76f38bf35c 100644
--- a/ydb/core/client/minikql_compile/yql_expr_minikql.cpp
+++ b/ydb/core/client/minikql_compile/yql_expr_minikql.cpp
@@ -1437,9 +1437,9 @@ public:
         , DbSchemeResolver(dbSchemeResolver)
         , ResponseTo(responseTo)
         , ResolveRefreshCookies(std::move(resolveRefreshCookies))
-    { 
-        Y_UNUSED(forceCacheRefresh); 
-    } 
+    {
+        Y_UNUSED(forceCacheRefresh);
+    }
 
     void Bootstrap(const TActorContext& ctx) {
         auto* appData = AppData(ctx);
diff --git a/ydb/core/client/scheme_cache_lib/yql_db_scheme_resolver.cpp b/ydb/core/client/scheme_cache_lib/yql_db_scheme_resolver.cpp
index 4e15e2f6d5..eb74fa36e9 100644
--- a/ydb/core/client/scheme_cache_lib/yql_db_scheme_resolver.cpp
+++ b/ydb/core/client/scheme_cache_lib/yql_db_scheme_resolver.cpp
@@ -44,7 +44,7 @@ class TTableProxyActor : public TActorBootstrapped<TTableProxyActor> {
                     reply.Table.TableName = src.TableName;
                     reply.Table.ColumnNames = std::move(src.ColumnNames);
                     reply.TableId = new TTableId(res.TableId);
-                    reply.CacheGeneration = 0; 
+                    reply.CacheGeneration = 0;
 
                     TSet<TString> replyColumns;
 
@@ -116,7 +116,7 @@ public:
             auto &x = request->ResultSet.back();
             x.Path = SplitPath(table.TableName);
             x.Operation = NSchemeCache::TSchemeCacheNavigate::OpTable;
-            x.ShowPrivatePath = true; 
+            x.ShowPrivatePath = true;
         }
 
         ctx.Send(SchemeCache, new TEvTxProxySchemeCache::TEvNavigateKeySet(request));
diff --git a/ydb/core/client/server/msgbus_server_db.cpp b/ydb/core/client/server/msgbus_server_db.cpp
index 7e7fdd6021..08f3d71786 100644
--- a/ydb/core/client/server/msgbus_server_db.cpp
+++ b/ydb/core/client/server/msgbus_server_db.cpp
@@ -236,7 +236,7 @@ protected:
         const NSchemeCache::TSchemeCacheNavigate& request = *ev->Get()->Request;
         Y_VERIFY(request.ResultSet.size() == 1);
         if (request.ResultSet.front().Status != NSchemeCache::TSchemeCacheNavigate::EStatus::Ok) {
-            return ReplyWithError(MSTATUS_ERROR, TEvTxUserProxy::TResultStatus::ResolveError, ToString(request.ResultSet.front().Status), ctx); 
+            return ReplyWithError(MSTATUS_ERROR, TEvTxUserProxy::TResultStatus::ResolveError, ToString(request.ResultSet.front().Status), ctx);
         }
         CacheNavigate = ev->Get()->Request;
         if (++Responses == Requests) {
diff --git a/ydb/core/client/server/msgbus_server_pq_metacache.cpp b/ydb/core/client/server/msgbus_server_pq_metacache.cpp
index 1fceca51ad..f44ab6f480 100644
--- a/ydb/core/client/server/msgbus_server_pq_metacache.cpp
+++ b/ydb/core/client/server/msgbus_server_pq_metacache.cpp
@@ -18,8 +18,8 @@ namespace NPqMetaCacheV2 {
 
 IActor* CreateSchemeCache(NActors::TActorSystem* ActorSystem, TIntrusivePtr<NMonitoring::TDynamicCounters> counters) {
     auto appData = ActorSystem->AppData<TAppData>();
-    auto cacheCounters = GetServiceCounters(counters, "pqproxy|schemecache"); 
-    auto cacheConfig = MakeIntrusive<NSchemeCache::TSchemeCacheConfig>(appData, cacheCounters); 
+    auto cacheCounters = GetServiceCounters(counters, "pqproxy|schemecache");
+    auto cacheConfig = MakeIntrusive<NSchemeCache::TSchemeCacheConfig>(appData, cacheCounters);
     return CreateSchemeBoardSchemeCache(cacheConfig.Get());
 }
 
@@ -49,7 +49,7 @@ public:
 
     void Bootstrap(const TActorContext& ctx) {
         if (ClientWrapper == nullptr) {
-            auto* driver = AppData(ctx)->YdbDriver; 
+            auto* driver = AppData(ctx)->YdbDriver;
             if (driver == nullptr) {
                 LOG_WARN_S(
                         ctx, NKikimrServices::PQ_METACACHE,
@@ -329,19 +329,19 @@ private:
         auto& waiter = waiterIter->second;
 
         if (waiter.Type == EWaiterType::DescribeAllTopics) {
-            for (const auto& entry : result->ResultSet) { 
-                if (!entry.PQGroupInfo) { 
-                    continue; 
-                } 
- 
-                const auto& desc = entry.PQGroupInfo->Description; 
-                if (desc.HasBalancerTabletID() && desc.GetBalancerTabletID() != 0) { 
-                    continue; 
-                } 
- 
-                FullTopicsCacheOutdated = true; 
-            } 
- 
+            for (const auto& entry : result->ResultSet) {
+                if (!entry.PQGroupInfo) {
+                    continue;
+                }
+
+                const auto& desc = entry.PQGroupInfo->Description;
+                if (desc.HasBalancerTabletID() && desc.GetBalancerTabletID() != 0) {
+                    continue;
+                }
+
+                FullTopicsCacheOutdated = true;
+            }
+
             FullTopicsCache.Reset(result);
             LOG_DEBUG_S(ctx, NKikimrServices::PQ_METACACHE, "Updated topics cache with " << FullTopicsCache->ResultSet.size());
             SendDescribeAllTopicsResponse(waiter.WaiterId, ctx);
diff --git a/ydb/core/client/server/msgbus_server_pq_metarequest_ut.cpp b/ydb/core/client/server/msgbus_server_pq_metarequest_ut.cpp
index 7d55b3c3a8..237bba147b 100644
--- a/ydb/core/client/server/msgbus_server_pq_metarequest_ut.cpp
+++ b/ydb/core/client/server/msgbus_server_pq_metarequest_ut.cpp
@@ -161,7 +161,7 @@ protected:
 
         THolder<TEvPersQueue::TEvUpdateConfig> request(new TEvPersQueue::TEvUpdateConfig());
         for (size_t i : partitions) {
-            request->Record.MutableTabletConfig()->AddPartitionIds(i); 
+            request->Record.MutableTabletConfig()->AddPartitionIds(i);
         }
         request->Record.MutableTabletConfig()->SetCacheSize(10*1024*1024);
         request->Record.SetTxId(12345);
diff --git a/ydb/core/client/server/msgbus_server_proxy.cpp b/ydb/core/client/server/msgbus_server_proxy.cpp
index 4aa7f5f689..7f3146d21a 100644
--- a/ydb/core/client/server/msgbus_server_proxy.cpp
+++ b/ydb/core/client/server/msgbus_server_proxy.cpp
@@ -174,8 +174,8 @@ void TMessageBusServerProxy::Bootstrap(const TActorContext& ctx) {
     SchemeCacheCounters = GetServiceCounters(AppData(ctx)->Counters, "pqproxy|cache");
     DbOperationsCounters = new TMessageBusDbOpsCounters(AppData(ctx)->Counters);
 
-    auto cacheConfig = MakeIntrusive<NSchemeCache::TSchemeCacheConfig>(AppData(ctx), SchemeCacheCounters); 
-    SchemeCache = ctx.ExecutorThread.RegisterActor(CreateSchemeBoardSchemeCache(cacheConfig.Get())); 
+    auto cacheConfig = MakeIntrusive<NSchemeCache::TSchemeCacheConfig>(AppData(ctx), SchemeCacheCounters);
+    SchemeCache = ctx.ExecutorThread.RegisterActor(CreateSchemeBoardSchemeCache(cacheConfig.Get()));
     PqMetaCache = CreatePersQueueMetaCacheV2Id();
 
     if (Server) {
diff --git a/ydb/core/client/server/msgbus_server_s3_listing.cpp b/ydb/core/client/server/msgbus_server_s3_listing.cpp
index 3f44e57b3a..3626866322 100644
--- a/ydb/core/client/server/msgbus_server_s3_listing.cpp
+++ b/ydb/core/client/server/msgbus_server_s3_listing.cpp
@@ -158,7 +158,7 @@ private:
         Y_VERIFY(request.ResultSet.size() == 1);
         if (request.ResultSet.front().Status != NSchemeCache::TSchemeCacheNavigate::EStatus::Ok) {
             return ReplyWithError(MSTATUS_ERROR,  NTxProxy::TResultStatus::EStatus::ResolveError,
-                                  ToString(request.ResultSet.front().Status), ctx); 
+                                  ToString(request.ResultSet.front().Status), ctx);
         }
         ResolveNamesResult = ev->Get()->Request;
 
diff --git a/ydb/core/client/server/pq_metacache_v2_ut.cpp b/ydb/core/client/server/pq_metacache_v2_ut.cpp
index cd96f4883a..f02fd420c9 100644
--- a/ydb/core/client/server/pq_metacache_v2_ut.cpp
+++ b/ydb/core/client/server/pq_metacache_v2_ut.cpp
@@ -71,10 +71,10 @@ class TPqMetaCacheV2Test: public TTestBase {
         EdgeActorId = runtime->AllocateEdgeActor();
         auto config = MakeIntrusive<TSchemeCacheConfig>();
         config->Counters = new NMonitoring::TDynamicCounters;
-        config->Roots.emplace_back(settings.Domain, 8716544, "Root"); 
+        config->Roots.emplace_back(settings.Domain, 8716544, "Root");
         auto& domainsInfo = settings.AppConfig.GetDomainsConfig();
         for (const auto& domain : domainsInfo.GetDomain()) {
-            config->Roots.emplace_back(domain.GetDomainId(), domain.GetSchemeRoot(), domain.GetName()); 
+            config->Roots.emplace_back(domain.GetDomainId(), domain.GetSchemeRoot(), domain.GetName());
         }
         SchemeCacheId = runtime->Register(CreateSchemeBoardSchemeCache(config.Get()));
         MetaCacheId = runtime->Register(
diff --git a/ydb/core/cms/audit_log.cpp b/ydb/core/cms/audit_log.cpp
index b9eee5bd1c..d1827c117d 100644
--- a/ydb/core/cms/audit_log.cpp
+++ b/ydb/core/cms/audit_log.cpp
@@ -1,40 +1,40 @@
-#include "audit_log.h" 
- 
-#include <library/cpp/actors/core/log.h> 
- 
-#include <util/string/builder.h> 
- 
-namespace NKikimr { 
-namespace NCms { 
- 
-void AuditLog(const TString& component, const TString& message, const TActorContext& ctx) { 
-    LOG_NOTICE_S(ctx, NKikimrServices::CMS, "[AuditLog] [" << component << "] " << message); 
-} 
- 
-void AuditLog(const TString& component, const IEventBase* request, const IEventBase* response, const TActorContext& ctx) { 
-    const TString message = TStringBuilder() << "Reply" 
-        << ": request# " << request->ToString() 
-        << ", response# " << response->ToString(); 
- 
-    AuditLog(component, message, ctx); 
-} 
- 
-void AuditLog(const TString& component, NMon::TEvHttpInfo::TPtr& request, const TString& response, const TActorContext& ctx) { 
-    const auto& r = request->Get()->Request; 
- 
-    const TString requestStr = TStringBuilder() << "{" 
-        << " method: " << r.GetMethod() 
-        << " path: " << r.GetPath() 
-        << " addr: " << r.GetRemoteAddr() 
-        << " body: " << r.GetPostContent() 
-        << " }"; 
- 
-    const TString message = TStringBuilder() << "Reply" 
-        << ": request# " << requestStr.Quote() 
-        << ", response# " << response.Quote(); 
- 
-    AuditLog(component, message, ctx); 
-} 
- 
-} // NCms 
-} // NKikimr 
+#include "audit_log.h"
+
+#include <library/cpp/actors/core/log.h>
+
+#include <util/string/builder.h>
+
+namespace NKikimr {
+namespace NCms {
+
+void AuditLog(const TString& component, const TString& message, const TActorContext& ctx) {
+    LOG_NOTICE_S(ctx, NKikimrServices::CMS, "[AuditLog] [" << component << "] " << message);
+}
+
+void AuditLog(const TString& component, const IEventBase* request, const IEventBase* response, const TActorContext& ctx) {
+    const TString message = TStringBuilder() << "Reply"
+        << ": request# " << request->ToString()
+        << ", response# " << response->ToString();
+
+    AuditLog(component, message, ctx);
+}
+
+void AuditLog(const TString& component, NMon::TEvHttpInfo::TPtr& request, const TString& response, const TActorContext& ctx) {
+    const auto& r = request->Get()->Request;
+
+    const TString requestStr = TStringBuilder() << "{"
+        << " method: " << r.GetMethod()
+        << " path: " << r.GetPath()
+        << " addr: " << r.GetRemoteAddr()
+        << " body: " << r.GetPostContent()
+        << " }";
+
+    const TString message = TStringBuilder() << "Reply"
+        << ": request# " << requestStr.Quote()
+        << ", response# " << response.Quote();
+
+    AuditLog(component, message, ctx);
+}
+
+} // NCms
+} // NKikimr
diff --git a/ydb/core/cms/audit_log.h b/ydb/core/cms/audit_log.h
index 9ebf6205d3..472e12f8be 100644
--- a/ydb/core/cms/audit_log.h
+++ b/ydb/core/cms/audit_log.h
@@ -1,17 +1,17 @@
-#pragma once 
- 
-#include "defs.h" 
- 
-#include <library/cpp/actors/core/mon.h> 
- 
-namespace NKikimr { 
-namespace NCms { 
- 
-void AuditLog(const TString& component, const TString& message, const TActorContext& ctx); 
-void AuditLog(const TString& component, const IEventBase* request, const IEventBase* response, const TActorContext& ctx); 
- 
-// for http request/response 
-void AuditLog(const TString& component, NMon::TEvHttpInfo::TPtr& request, const TString& response, const TActorContext& ctx); 
- 
-} // NCms 
-} // NKikimr 
+#pragma once
+
+#include "defs.h"
+
+#include <library/cpp/actors/core/mon.h>
+
+namespace NKikimr {
+namespace NCms {
+
+void AuditLog(const TString& component, const TString& message, const TActorContext& ctx);
+void AuditLog(const TString& component, const IEventBase* request, const IEventBase* response, const TActorContext& ctx);
+
+// for http request/response
+void AuditLog(const TString& component, NMon::TEvHttpInfo::TPtr& request, const TString& response, const TActorContext& ctx);
+
+} // NCms
+} // NKikimr
diff --git a/ydb/core/cms/cluster_info.cpp b/ydb/core/cms/cluster_info.cpp
index cc4135faa5..a1dc8a0b95 100644
--- a/ydb/core/cms/cluster_info.cpp
+++ b/ydb/core/cms/cluster_info.cpp
@@ -1,7 +1,7 @@
 #include "cluster_info.h"
 #include "cms_state.h"
 
-#include <util/string/builder.h> 
+#include <util/string/builder.h>
 #include <util/system/hostname.h>
 
 #if defined BLOG_D || defined BLOG_I || defined BLOG_ERROR
@@ -24,7 +24,7 @@ bool TLockableItem::IsLocked(TErrorInfo &error, TDuration defaultRetryTime,
         Y_VERIFY(Lock.Defined());
         error.Code = TStatus::DISALLOW_TEMP;
         error.Reason = Sprintf("%s is restarting (permission %s owned by %s)",
-                               PrettyItemName().data(), Lock->PermissionId.data(), Lock->Owner.data()); 
+                               PrettyItemName().data(), Lock->PermissionId.data(), Lock->Owner.data());
         error.Deadline = Lock->ActionDeadline;
         return true;
     }
@@ -32,7 +32,7 @@ bool TLockableItem::IsLocked(TErrorInfo &error, TDuration defaultRetryTime,
     if (Lock.Defined()) {
         error.Code = TStatus::DISALLOW_TEMP;
         error.Reason = Sprintf("%s has planned shutdown (permission %s owned by %s)",
-                               PrettyItemName().data(), Lock->PermissionId.data(), Lock->Owner.data()); 
+                               PrettyItemName().data(), Lock->PermissionId.data(), Lock->Owner.data());
         error.Deadline = Lock->ActionDeadline;
         return true;
     }
@@ -47,7 +47,7 @@ bool TLockableItem::IsLocked(TErrorInfo &error, TDuration defaultRetryTime,
 
         error.Code = TStatus::DISALLOW_TEMP;
         error.Reason = Sprintf("%s has planned shutdown (notification %s owned by %s)",
-                               PrettyItemName().data(), lock.NotificationId.data(), lock.Owner.data()); 
+                               PrettyItemName().data(), lock.NotificationId.data(), lock.Owner.data());
         error.Deadline = lock.LockDeadline;
         return true;
     }
@@ -55,7 +55,7 @@ bool TLockableItem::IsLocked(TErrorInfo &error, TDuration defaultRetryTime,
     if (!ScheduledLocks.empty() && ScheduledLocks.begin()->Order < DeactivatedLocksOrder) {
         error.Code = TStatus::DISALLOW_TEMP;
         error.Reason = Sprintf("%s has scheduled action %s owned by %s (order %" PRIu64 " vs %" PRIu64 ")",
-                               PrettyItemName().data(), ScheduledLocks.begin()->RequestId.data(), 
+                               PrettyItemName().data(), ScheduledLocks.begin()->RequestId.data(),
                                ScheduledLocks.begin()->Owner.data(), ScheduledLocks.begin()->Order,
                                DeactivatedLocksOrder);
         error.Deadline = now + defaultRetryTime;
@@ -64,7 +64,7 @@ bool TLockableItem::IsLocked(TErrorInfo &error, TDuration defaultRetryTime,
 
     if (!TempLocks.empty()) {
         error.Code = TStatus::DISALLOW;
-        error.Reason = Sprintf("%s has temporary lock", PrettyItemName().data()); 
+        error.Reason = Sprintf("%s has temporary lock", PrettyItemName().data());
         error.Deadline = now + defaultRetryTime;
         error.RollbackPoint = TempLocks.back().RollbackPoint;
         return true;
@@ -79,14 +79,14 @@ bool TLockableItem::IsDown(TErrorInfo &error, TInstant defaultDeadline) const
         Y_VERIFY(Lock.Defined());
         error.Code = TStatus::DISALLOW_TEMP;
         error.Reason = Sprintf("%s is restarting (permission %s owned by %s)",
-                               PrettyItemName().data(), Lock->PermissionId.data(), Lock->Owner.data()); 
+                               PrettyItemName().data(), Lock->PermissionId.data(), Lock->Owner.data());
         error.Deadline = Lock->ActionDeadline;
         return true;
     }
 
     if (State != UP) {
         error.Code = TStatus::DISALLOW_TEMP;
-        error.Reason = Sprintf("%s is down", PrettyItemName().data()); 
+        error.Reason = Sprintf("%s is down", PrettyItemName().data());
         error.Deadline = defaultDeadline;
         return true;
     }
@@ -120,7 +120,7 @@ void TLockableItem::RemoveScheduledLocks(const TString &requestId)
         });
 }
 
-void TLockableItem::MigrateOldInfo(const TLockableItem &old) 
+void TLockableItem::MigrateOldInfo(const TLockableItem &old)
 {
     Downtime = old.Downtime;
     if (State != NKikimrCms::UP)
@@ -143,9 +143,9 @@ void TLockableItem::DebugLocksDump(IOutputStream &ss, const TString &prefix) con
         ss << prefix << "Temporary lock at point " << lock.RollbackPoint;
 }
 
-void TNodeInfo::MigrateOldInfo(const TLockableItem &old) 
+void TNodeInfo::MigrateOldInfo(const TLockableItem &old)
 {
-    TLockableItem::MigrateOldInfo(old); 
+    TLockableItem::MigrateOldInfo(old);
     if (auto * oldNode = dynamic_cast<const TNodeInfo *>(&old)) {
         if (oldNode->State == UP) {
             PreviousTenant = oldNode->Tenant;
@@ -164,27 +164,27 @@ TString TPDiskInfo::ItemName() const
     return Sprintf("PDisk %s", PDiskId.ToString().data());
 }
 
-TString TPDiskInfo::PrettyItemName() const 
-{ 
-    TStringBuilder name; 
- 
-    name << ItemName(); 
-    if (Host || Path) { 
-        name << " ("; 
- 
-        if (Host) { 
-            name << Host; 
-        } 
-        if (Path) { 
-            name << ":" << Path; 
-        } 
- 
-        name << ")"; 
-    } 
- 
-    return name; 
-} 
- 
+TString TPDiskInfo::PrettyItemName() const
+{
+    TStringBuilder name;
+
+    name << ItemName();
+    if (Host || Path) {
+        name << " (";
+
+        if (Host) {
+            name << Host;
+        }
+        if (Path) {
+            name << ":" << Path;
+        }
+
+        name << ")";
+    }
+
+    return name;
+}
+
 TString TPDiskInfo::GetDeviceName() const
 {
     return Sprintf("pdisk-%" PRIu32 "-%" PRIu32, PDiskId.NodeId, PDiskId.DiskId);
@@ -216,9 +216,9 @@ TPDiskID TPDiskInfo::NameToId(const TString &name)
     return id;
 }
 
-void TPDiskInfo::MigrateOldInfo(const TLockableItem &old) 
+void TPDiskInfo::MigrateOldInfo(const TLockableItem &old)
 {
-    TLockableItem::MigrateOldInfo(old); 
+    TLockableItem::MigrateOldInfo(old);
     if (auto *oldPDisk = dynamic_cast<const TPDiskInfo *>(&old)) {
         if (!NodeId)
             NodeId = oldPDisk->NodeId;
@@ -230,27 +230,27 @@ TString TVDiskInfo::ItemName() const
     return Sprintf("VDisk %s", VDiskId.ToString().data());
 }
 
-TString TVDiskInfo::PrettyItemName() const 
-{ 
-    TStringBuilder name; 
- 
-    name << ItemName(); 
-    if (Host || Path) { 
-        name << " ("; 
- 
-        if (Host) { 
-            name << Host; 
-        } 
-        if (Path) { 
-            name << ":" << Path; 
-        } 
- 
-        name << ")"; 
-    } 
- 
-    return name; 
-} 
- 
+TString TVDiskInfo::PrettyItemName() const
+{
+    TStringBuilder name;
+
+    name << ItemName();
+    if (Host || Path) {
+        name << " (";
+
+        if (Host) {
+            name << Host;
+        }
+        if (Path) {
+            name << ":" << Path;
+        }
+
+        name << ")";
+    }
+
+    return name;
+}
+
 TString TVDiskInfo::GetDeviceName() const
 {
     return Sprintf("vdisk-%u-%u-%u-%u-%u", VDiskId.GroupID, VDiskId.GroupGeneration,
@@ -287,9 +287,9 @@ TVDiskID TVDiskInfo::NameToId(const TString &name)
     return id;
 }
 
-void TVDiskInfo::MigrateOldInfo(const TLockableItem &old) 
+void TVDiskInfo::MigrateOldInfo(const TLockableItem &old)
 {
-    TLockableItem::MigrateOldInfo(old); 
+    TLockableItem::MigrateOldInfo(old);
     if (auto *oldVDisk = dynamic_cast<const TVDiskInfo *>(&old)) {
         if (!NodeId)
             NodeId = oldVDisk->NodeId;
@@ -305,7 +305,7 @@ void TClusterInfo::SetTimestamp(TInstant timestamp)
         entry.second->Timestamp = timestamp;
 }
 
-void TClusterInfo::AddNode(const TEvInterconnect::TNodeInfo &info, const TActorContext *ctx) 
+void TClusterInfo::AddNode(const TEvInterconnect::TNodeInfo &info, const TActorContext *ctx)
 {
     TNodeInfoPtr &node = Nodes[info.NodeId];
     if (!node)
@@ -319,43 +319,43 @@ void TClusterInfo::AddNode(const TEvInterconnect::TNodeInfo &info, const TActorC
     node->Location = info.Location;
     node->State = NKikimrCms::UNKNOWN;
 
-    if (ctx) { 
-        const auto maxStaticNodeId = AppData(*ctx)->DynamicNameserviceConfig->MaxStaticNodeId; 
-        if (node->NodeId <= maxStaticNodeId) { 
-            node->Services |= EService::Storage; 
-        } else { 
-            node->Services |= EService::DynamicNode; 
-        } 
-    } 
- 
+    if (ctx) {
+        const auto maxStaticNodeId = AppData(*ctx)->DynamicNameserviceConfig->MaxStaticNodeId;
+        if (node->NodeId <= maxStaticNodeId) {
+            node->Services |= EService::Storage;
+        } else {
+            node->Services |= EService::DynamicNode;
+        }
+    }
+
     auto range = HostNameToNodeId.equal_range(oldHost);
-    for (auto it = range.first; it != range.second; ++it) { 
+    for (auto it = range.first; it != range.second; ++it) {
         if (it->second == node->NodeId) {
             HostNameToNodeId.erase(it);
             break;
         }
-    } 
- 
+    }
+
     HostNameToNodeId.emplace(node->Host, node->NodeId);
     LockableItems[node->ItemName()] = node;
 }
 
-void TClusterInfo::SetNodeState(ui32 nodeId, NKikimrCms::EState state, const NKikimrWhiteboard::TSystemStateInfo &info) 
+void TClusterInfo::SetNodeState(ui32 nodeId, NKikimrCms::EState state, const NKikimrWhiteboard::TSystemStateInfo &info)
 {
     if (!HasNode(nodeId))
         return;
 
     auto &node = NodeRef(nodeId);
     node.State = state;
-    node.Version = info.GetVersion(); 
- 
-    node.Services = TServices(); 
-    for (const auto& role : info.GetRoles()) { 
-        EService value; 
-        if (TryFromWhiteBoardRole(role, value)) { 
-            node.Services |= value; 
-        } 
-    } 
+    node.Version = info.GetVersion();
+
+    node.Services = TServices();
+    for (const auto& role : info.GetRoles()) {
+        EService value;
+        if (TryFromWhiteBoardRole(role, value)) {
+            node.Services |= value;
+        }
+    }
 }
 
 void TClusterInfo::ClearNode(ui32 nodeId)
@@ -427,7 +427,7 @@ void TClusterInfo::AddPDisk(const NKikimrBlobStorage::TBaseConfig::TPDisk &info)
     pdisk->Path = path;
 
     auto &node = NodeRef(nodeId);
-    pdisk->Host = node.Host; 
+    pdisk->Host = node.Host;
     node.PDisks.insert(id);
 
     LockableItems[pdisk->ItemName()] = pdisk;
@@ -474,12 +474,12 @@ void TClusterInfo::AddVDisk(const NKikimrBlobStorage::TBaseConfig::TVSlot &info)
     }
 
     auto &pdisk = PDiskRef(vdisk->PDiskId);
-    vdisk->Path = pdisk.Path; 
+    vdisk->Path = pdisk.Path;
     pdisk.VDisks.insert(vdisk->VDiskId);
     pdisk.VSlots[vdisk->SlotId] = vdisk->VDiskId;
 
     auto &node = NodeRef(nodeId);
-    vdisk->Host = node.Host; 
+    vdisk->Host = node.Host;
     node.VDisks.insert(vdisk->VDiskId);
 
     LockableItems[vdisk->ItemName()] = vdisk;
@@ -488,10 +488,10 @@ void TClusterInfo::AddVDisk(const NKikimrBlobStorage::TBaseConfig::TVSlot &info)
 void TClusterInfo::UpdateVDiskState(const TVDiskID &id, const NKikimrWhiteboard::TVDiskStateInfo &info)
 {
     if (!HasVDisk(id)) {
-        if (IsStaticGroupVDisk(id)) { 
-            return; 
-        } 
- 
+        if (IsStaticGroupVDisk(id)) {
+            return;
+        }
+
         BLOG_ERROR("Cannot update state for unknown VDisk " << id.ToString());
         return;
     }
@@ -550,8 +550,8 @@ void TClusterInfo::AddNodeTenants(ui32 nodeId, const NKikimrTenantPool::TTenantP
 
     node.Tenant = nodeTenant;
     node.HasTenantInfo = true;
- 
-    TenantToNodeId.emplace(nodeTenant, nodeId); 
+
+    TenantToNodeId.emplace(nodeTenant, nodeId);
 }
 
 void TClusterInfo::AddNodeTempLock(ui32 nodeId, const NKikimrCms::TAction &action)
@@ -572,23 +572,23 @@ void TClusterInfo::AddVDiskTempLock(TVDiskID vdiskId, const NKikimrCms::TAction
     vdisk.TempLocks.push_back({RollbackPoint, action});
 }
 
-static TServices MakeServices(const NKikimrCms::TAction &action) { 
-    TServices services; 
- 
-    if (action.GetType() != TAction::RESTART_SERVICES) { 
-        return services; 
-    } 
- 
-    for (const auto &service : action.GetServices()) { 
-        EService value; 
-        if (TryFromString(service, value)) { 
-            services |= value; 
-        } 
-    } 
- 
-    return services; 
-} 
- 
+static TServices MakeServices(const NKikimrCms::TAction &action) {
+    TServices services;
+
+    if (action.GetType() != TAction::RESTART_SERVICES) {
+        return services;
+    }
+
+    for (const auto &service : action.GetServices()) {
+        EService value;
+        if (TryFromString(service, value)) {
+            services |= value;
+        }
+    }
+
+    return services;
+}
+
 TSet<TLockableItem *> TClusterInfo::FindLockedItems(const NKikimrCms::TAction &action,
                                                     const TActorContext *ctx)
 {
@@ -601,20 +601,20 @@ TSet<TLockableItem *> TClusterInfo::FindLockedItems(const NKikimrCms::TAction &a
         return res;
     }
 
-    switch (action.GetType()) { 
-    case TAction::RESTART_SERVICES: 
-    case TAction::SHUTDOWN_HOST: 
-        if (auto nodes = NodePtrs(action.GetHost(), MakeServices(action))) { 
-            for (const auto node : nodes) { 
-                res.insert(node); 
-            } 
-        } else if (ctx) { 
+    switch (action.GetType()) {
+    case TAction::RESTART_SERVICES:
+    case TAction::SHUTDOWN_HOST:
+        if (auto nodes = NodePtrs(action.GetHost(), MakeServices(action))) {
+            for (const auto node : nodes) {
+                res.insert(node);
+            }
+        } else if (ctx) {
             LOG_ERROR_S(*ctx, NKikimrServices::CMS,
                         "FindLockedItems: unknown host " << action.GetHost());
-        } 
-        break; 
- 
-    case TAction::REPLACE_DEVICES: 
+        }
+        break;
+
+    case TAction::REPLACE_DEVICES:
         for (const auto &device : action.GetDevices()) {
             TLockableItem *item = nullptr;
 
@@ -628,14 +628,14 @@ TSet<TLockableItem *> TClusterInfo::FindLockedItems(const NKikimrCms::TAction &a
             else if (ctx)
                 LOG_ERROR(*ctx, NKikimrServices::CMS, "FindLockedItems: unknown device %s", device.data());
         }
-        break; 
- 
-    default: 
-        if (ctx) { 
+        break;
+
+    default:
+        if (ctx) {
             LOG_ERROR(*ctx, NKikimrServices::CMS, "FindLockedItems: action %s is not supported",
                       TAction::EType_Name(action.GetType()).data());
-        } 
-        break; 
+        }
+        break;
     }
 
     return res;
@@ -665,8 +665,8 @@ ui64 TClusterInfo::AddLocks(const TPermissionInfo &permission, const TActorConte
 
         if (lock) {
             if (ctx)
-                LOG_INFO(*ctx, NKikimrServices::CMS, "Adding lock for %s (permission %s until %s)", 
-                          item->PrettyItemName().data(), permission.PermissionId.data(), 
+                LOG_INFO(*ctx, NKikimrServices::CMS, "Adding lock for %s (permission %s until %s)",
+                          item->PrettyItemName().data(), permission.PermissionId.data(),
                           permission.Deadline.ToStringLocalUpToSeconds().data());
             item->AddLock(permission);
             ++locks;
@@ -684,8 +684,8 @@ ui64 TClusterInfo::AddExternalLocks(const TNotificationInfo &notification, const
 
         for (auto item : items) {
             if (ctx)
-                LOG_INFO(*ctx, NKikimrServices::CMS, "Adding external lock for %s", 
-                          item->PrettyItemName().data()); 
+                LOG_INFO(*ctx, NKikimrServices::CMS, "Adding external lock for %s",
+                          item->PrettyItemName().data());
 
             item->AddExternalLock(notification, action);
         }
@@ -710,7 +710,7 @@ void TClusterInfo::ApplyDowntimes(const TDowntimes &downtimes)
     }
 }
 
-void TClusterInfo::UpdateDowntimes(TDowntimes &downtimes, const TActorContext &ctx) 
+void TClusterInfo::UpdateDowntimes(TDowntimes &downtimes, const TActorContext &ctx)
 {
     downtimes.CleanupOld(ctx.Now());
 
@@ -777,12 +777,12 @@ void TClusterInfo::RollbackLocks(ui64 point)
     RollbackPoint = point - 1;
 }
 
-void TClusterInfo::MigrateOldInfo(TClusterInfoPtr old) 
+void TClusterInfo::MigrateOldInfo(TClusterInfoPtr old)
 {
     for (auto &entry : LockableItems) {
         auto it = old->LockableItems.find(entry.first);
         if (it != old->LockableItems.end())
-            entry.second->MigrateOldInfo(*it->second); 
+            entry.second->MigrateOldInfo(*it->second);
     }
 }
 
@@ -798,7 +798,7 @@ void TClusterInfo::DebugDump(const TActorContext &ctx) const
            << "  Host: " << node.Host << Endl
            << "  Address: " << node.Address << Endl
            << "  Version: " << node.Version << Endl
-           << "  State: " << EState_Name(node.State) << Endl; 
+           << "  State: " << EState_Name(node.State) << Endl;
         for (auto pd : node.PDisks)
             ss << "  PDisk: " << pd.NodeId << ":" << pd.DiskId << Endl;
         for (auto &vd : node.VDisks)
@@ -813,7 +813,7 @@ void TClusterInfo::DebugDump(const TActorContext &ctx) const
         ss << "PDisk {" << Endl
            << "  Id: " << pdisk.PDiskId.NodeId << ":" << pdisk.PDiskId.DiskId << Endl
            << "  NodeId: " << pdisk.NodeId << Endl
-           << "  State: " << EState_Name(pdisk.State) << Endl; 
+           << "  State: " << EState_Name(pdisk.State) << Endl;
         pdisk.DebugLocksDump(ss, "  ");
         ss << "}" << Endl;
         LOG_DEBUG(ctx, NKikimrServices::CMS, ss.Str());
@@ -825,7 +825,7 @@ void TClusterInfo::DebugDump(const TActorContext &ctx) const
            << "  Id: " << vdisk.VDiskId.ToString() << Endl
            << "  NodeId: " << vdisk.NodeId << Endl
            << "  State: " << EState_Name(vdisk.State) << Endl
-           << "  PDisk: " << vdisk.PDiskId.NodeId << ":" << vdisk.PDiskId.DiskId << Endl; 
+           << "  PDisk: " << vdisk.PDiskId.NodeId << ":" << vdisk.PDiskId.DiskId << Endl;
         for (auto id : vdisk.BSGroups)
             ss << "  BSGroup: " << id << Endl;
         vdisk.DebugLocksDump(ss, "  ");
diff --git a/ydb/core/cms/cluster_info.h b/ydb/core/cms/cluster_info.h
index b50c9c8a34..af5fe24af8 100644
--- a/ydb/core/cms/cluster_info.h
+++ b/ydb/core/cms/cluster_info.h
@@ -3,7 +3,7 @@
 #include "defs.h"
 #include "config.h"
 #include "downtime.h"
-#include "services.h" 
+#include "services.h"
 
 #include <library/cpp/actors/interconnect/interconnect.h>
 #include <ydb/core/base/blobstorage.h>
@@ -237,10 +237,10 @@ public:
     }
 
     virtual TString ItemName() const = 0;
-    virtual TString PrettyItemName() const 
-    { 
-        return ItemName(); 
-    } 
+    virtual TString PrettyItemName() const
+    {
+        return ItemName();
+    }
 
     void AddLock(const TPermissionInfo &permission)
     {
@@ -276,7 +276,7 @@ public:
     void RemoveScheduledLocks(const TString &requestId);
 
     // Fill some item info (e.g. Downtime) basing on previous item state.
-    virtual void MigrateOldInfo(const TLockableItem &old); 
+    virtual void MigrateOldInfo(const TLockableItem &old);
 
     void DebugLocksDump(IOutputStream &ss, const TString &prefix = "") const;
 
@@ -309,10 +309,10 @@ public:
 
     TString ItemName() const override
     {
-        return Sprintf("Host %s:%" PRIu16 " (%" PRIu32 ")", Host.data(), IcPort, NodeId); 
+        return Sprintf("Host %s:%" PRIu16 " (%" PRIu32 ")", Host.data(), IcPort, NodeId);
     }
 
-    void MigrateOldInfo(const TLockableItem &old) override; 
+    void MigrateOldInfo(const TLockableItem &old) override;
 
     ui32 NodeId = 0;
     TString Host;
@@ -326,7 +326,7 @@ public:
     bool HasTenantInfo = false;
     TString Tenant;
     TString PreviousTenant;
-    TServices Services; 
+    TServices Services;
 };
 using TNodeInfoPtr = TIntrusivePtr<TNodeInfo>;
 
@@ -372,16 +372,16 @@ public:
     TPDiskInfo &operator=(TPDiskInfo &&other) = default;
 
     TString ItemName() const override;
-    TString PrettyItemName() const override; 
+    TString PrettyItemName() const override;
     TString GetDeviceName() const;
     static bool IsDeviceName(const TString &name);
     static TPDiskID NameToId(const TString &name);
 
-    void MigrateOldInfo(const TLockableItem &old) override; 
+    void MigrateOldInfo(const TLockableItem &old) override;
 
     TPDiskID PDiskId;
     ui32 NodeId;
-    TString Host; 
+    TString Host;
     TString Path;
     TSet<TVDiskID> VDisks;
     // SlotIdx -> VDiskID
@@ -414,18 +414,18 @@ public:
     TVDiskInfo &operator=(TVDiskInfo &&other) = default;
 
     TString ItemName() const override;
-    TString PrettyItemName() const override; 
+    TString PrettyItemName() const override;
     TString GetDeviceName() const;
     static bool IsDeviceName(const TString &name);
     static TVDiskID NameToId(const TString &name);
 
-    void MigrateOldInfo(const TLockableItem &old) override; 
+    void MigrateOldInfo(const TLockableItem &old) override;
 
     TVDiskID VDiskId;
     TPDiskID PDiskId;
-    TString Path; 
+    TString Path;
     ui32 NodeId;
-    TString Host; 
+    TString Host;
     ui32 SlotId;
     TSet<ui32> BSGroups;
 
@@ -514,20 +514,20 @@ public:
         return nodes;
     }
 
-    TVector<const TNodeInfo *> TenantNodes(const TString &tenant) const 
-    { 
-        TVector<const TNodeInfo *> nodes; 
- 
-        auto pr = TenantToNodeId.equal_range(tenant); 
-        for (auto it = pr.first; it != pr.second; ++it) { 
-            const ui32 nodeId = it->second; 
-            Y_VERIFY(HasNode(nodeId)); 
-            nodes.push_back(Nodes.find(nodeId)->second.Get()); 
-        } 
- 
-        return nodes; 
-    } 
- 
+    TVector<const TNodeInfo *> TenantNodes(const TString &tenant) const
+    {
+        TVector<const TNodeInfo *> nodes;
+
+        auto pr = TenantToNodeId.equal_range(tenant);
+        for (auto it = pr.first; it != pr.second; ++it) {
+            const ui32 nodeId = it->second;
+            Y_VERIFY(HasNode(nodeId));
+            nodes.push_back(Nodes.find(nodeId)->second.Get());
+        }
+
+        return nodes;
+    }
+
     size_t NodesCount() const
     {
         return Nodes.size();
@@ -576,11 +576,11 @@ public:
         return PDisks.contains(id);
     }
 
-    bool HasPDisk(const TString &hostName, const TString &path) const 
-    { 
-        return !!HostNamePathToPDiskId(hostName, path); 
-    } 
- 
+    bool HasPDisk(const TString &hostName, const TString &path) const
+    {
+        return !!HostNamePathToPDiskId(hostName, path);
+    }
+
     const TPDiskInfo &PDisk(TPDiskID pdId) const
     {
         Y_VERIFY(HasPDisk(pdId));
@@ -593,11 +593,11 @@ public:
         return PDisk(id);
     }
 
-    const TPDiskInfo &PDisk(const TString &hostName, const TString &path) const 
-    { 
-        return PDisk(HostNamePathToPDiskId(hostName, path)); 
-    } 
- 
+    const TPDiskInfo &PDisk(const TString &hostName, const TString &path) const
+    {
+        return PDisk(HostNamePathToPDiskId(hostName, path));
+    }
+
     size_t PDisksCount() const
     {
         return PDisks.size();
@@ -671,8 +671,8 @@ public:
 
     void SetTimestamp(TInstant timestamp);
 
-    void AddNode(const TEvInterconnect::TNodeInfo &info, const TActorContext *ctx); 
-    void SetNodeState(ui32 nodeId, NKikimrCms::EState state, const NKikimrWhiteboard::TSystemStateInfo &info); 
+    void AddNode(const TEvInterconnect::TNodeInfo &info, const TActorContext *ctx);
+    void SetNodeState(ui32 nodeId, NKikimrCms::EState state, const NKikimrWhiteboard::TSystemStateInfo &info);
     void ClearNode(ui32 nodeId);
     void AddTablet(ui32 nodeId, const NKikimrWhiteboard::TTabletStateInfo &info);
     void AddPDisk(const NKikimrBlobStorage::TBaseConfig::TPDisk &info);
@@ -697,7 +697,7 @@ public:
     ui64 AddExternalLocks(const TNotificationInfo &notification, const TActorContext *ctx);
 
     void ApplyDowntimes(const TDowntimes &downtimes);
-    void UpdateDowntimes(TDowntimes &downtimes, const TActorContext &ctx); 
+    void UpdateDowntimes(TDowntimes &downtimes, const TActorContext &ctx);
 
     ui64 AddTempLocks(const NKikimrCms::TAction &action, const TActorContext *ctx);
     ui64 ScheduleActions(const TRequestInfo &request, const TActorContext *ctx);
@@ -711,7 +711,7 @@ public:
         return ++RollbackPoint;
     }
 
-    void MigrateOldInfo(TClusterInfoPtr old); 
+    void MigrateOldInfo(TClusterInfoPtr old);
     void ApplyInitialNodeTenants(const TActorContext& ctx, const THashMap<ui32, TString>& nodeTenants);
 
     void DebugDump(const TActorContext &ctx) const;
@@ -721,13 +721,13 @@ public:
     bool IsOutdated() const { return Outdated; }
     void SetOutdated(bool val) { Outdated = val; }
 
-    static EGroupConfigurationType VDiskConfigurationType(const TVDiskID &vdId) { 
-        return TGroupID(vdId.GroupID).ConfigurationType(); 
-    } 
- 
-    static bool IsStaticGroupVDisk(const TVDiskID &vdId) { return GroupConfigurationTypeStatic == VDiskConfigurationType(vdId); } 
-    static bool IsDynamicGroupVDisk(const TVDiskID &vdId) { return GroupConfigurationTypeDynamic == VDiskConfigurationType(vdId); } 
- 
+    static EGroupConfigurationType VDiskConfigurationType(const TVDiskID &vdId) {
+        return TGroupID(vdId.GroupID).ConfigurationType();
+    }
+
+    static bool IsStaticGroupVDisk(const TVDiskID &vdId) { return GroupConfigurationTypeStatic == VDiskConfigurationType(vdId); }
+    static bool IsDynamicGroupVDisk(const TVDiskID &vdId) { return GroupConfigurationTypeDynamic == VDiskConfigurationType(vdId); }
+
 private:
     TNodeInfo &NodeRef(ui32 nodeId) const
     {
@@ -735,7 +735,7 @@ private:
         return *Nodes.find(nodeId)->second;
     }
 
-    TVector<TNodeInfo *> NodePtrs(const TString &hostName, const TServices &filterByServices = {}) 
+    TVector<TNodeInfo *> NodePtrs(const TString &hostName, const TServices &filterByServices = {})
     {
         TVector<TNodeInfo *> nodes;
 
@@ -746,18 +746,18 @@ private:
             return nodes;
         }
 
-        auto range = HostNameToNodeId.equal_range(hostName); 
-        for (auto it = range.first; it != range.second; ++it) { 
+        auto range = HostNameToNodeId.equal_range(hostName);
+        for (auto it = range.first; it != range.second; ++it) {
             nodeId = it->second;
- 
+
             Y_VERIFY(HasNode(nodeId));
-            auto &node = NodeRef(nodeId); 
- 
-            if (filterByServices && !(node.Services & filterByServices)) { 
-                continue; 
-            } 
- 
-            nodes.push_back(&node); 
+            auto &node = NodeRef(nodeId);
+
+            if (filterByServices && !(node.Services & filterByServices)) {
+                continue;
+            }
+
+            nodes.push_back(&node);
         }
 
         return nodes;
@@ -793,22 +793,22 @@ private:
         return BSGroups.find(groupId)->second;
     }
 
-    TPDiskID HostNamePathToPDiskId(const TString &hostName, const TString &path) const { 
-        auto pr = HostNameToNodeId.equal_range(hostName); 
-        for (auto it = pr.first; it != pr.second; ++it) { 
-            const ui32 nodeId = it->second; 
-            Y_VERIFY(HasNode(nodeId)); 
-            const auto &node = Node(nodeId); 
-            for (const auto &id : node.PDisks) { 
-                Y_VERIFY(HasPDisk(id)); 
-                if (PDisk(id).Path == path) { 
-                    return id; 
-                } 
-            } 
-        } 
-        return TPDiskID(); 
-    } 
- 
+    TPDiskID HostNamePathToPDiskId(const TString &hostName, const TString &path) const {
+        auto pr = HostNameToNodeId.equal_range(hostName);
+        for (auto it = pr.first; it != pr.second; ++it) {
+            const ui32 nodeId = it->second;
+            Y_VERIFY(HasNode(nodeId));
+            const auto &node = Node(nodeId);
+            for (const auto &id : node.PDisks) {
+                Y_VERIFY(HasPDisk(id));
+                if (PDisk(id).Path == path) {
+                    return id;
+                }
+            }
+        }
+        return TPDiskID();
+    }
+
     TSet<TLockableItem *> FindLockedItems(const NKikimrCms::TAction &action, const TActorContext *ctx);
 
     TNodes Nodes;
@@ -823,7 +823,7 @@ private:
 
     // Fast access structures.
     TMultiMap<TString, ui32> HostNameToNodeId;
-    TMultiMap<TString, ui32> TenantToNodeId; 
+    TMultiMap<TString, ui32> TenantToNodeId;
     THashMap<TString, TLockableItemPtr> LockableItems;
 };
 
diff --git a/ydb/core/cms/cluster_info_ut.cpp b/ydb/core/cms/cluster_info_ut.cpp
index 08715c12b4..8b9d3b3d65 100644
--- a/ydb/core/cms/cluster_info_ut.cpp
+++ b/ydb/core/cms/cluster_info_ut.cpp
@@ -264,7 +264,7 @@ Y_UNIT_TEST_SUITE(TClusterInfoTest) {
             { 3, "::2", "localhost", "localhost", 1, TNodeLocation() };
 
         TClusterInfo cluster;
-        cluster.AddNode(node1, nullptr); 
+        cluster.AddNode(node1, nullptr);
         UNIT_ASSERT(cluster.HasNode(1));
         UNIT_ASSERT(!cluster.HasNode(2));
         UNIT_ASSERT(cluster.HasNode("test1"));
@@ -272,14 +272,14 @@ Y_UNIT_TEST_SUITE(TClusterInfoTest) {
         UNIT_ASSERT_VALUES_EQUAL(cluster.HostNodes("test1").size(), 1);
         CheckNode(cluster.Node(1), 1, "test1", "::1", EState::UNKNOWN);
 
-        cluster.AddNode(node2, nullptr); 
+        cluster.AddNode(node2, nullptr);
         UNIT_ASSERT(cluster.HasNode(1));
         UNIT_ASSERT(!cluster.HasNode("test1"));
         UNIT_ASSERT(cluster.HasNode("test2"));
         UNIT_ASSERT_VALUES_EQUAL(cluster.HostNodes("test2").size(), 1);
         CheckNode(cluster.Node(1), 1, "test2", "::1", EState::UNKNOWN);
 
-        cluster.AddNode(node3, nullptr); 
+        cluster.AddNode(node3, nullptr);
         UNIT_ASSERT(cluster.HasNode(2));
         UNIT_ASSERT(cluster.HasNode("localhost"));
         UNIT_ASSERT_VALUES_EQUAL(cluster.NodesCount("localhost"), 1);
@@ -287,7 +287,7 @@ Y_UNIT_TEST_SUITE(TClusterInfoTest) {
         UNIT_ASSERT_VALUES_EQUAL(cluster.HostNodes("localhost")[0]->NodeId, 2);
         CheckNode(cluster.Node(2), 2, "localhost", "::2", EState::UNKNOWN);
 
-        cluster.AddNode(node4, nullptr); 
+        cluster.AddNode(node4, nullptr);
         UNIT_ASSERT(cluster.HasNode(3));
         UNIT_ASSERT_VALUES_EQUAL(cluster.NodesCount("localhost"), 2);
 
@@ -374,7 +374,7 @@ Y_UNIT_TEST_SUITE(TClusterInfoTest) {
 
         permission.Action.SetHost("2");
         permission.Deadline = now - TDuration::Seconds(30);
-        cluster.SetNodeState(2, DOWN, MakeSystemStateInfo("1")); 
+        cluster.SetNodeState(2, DOWN, MakeSystemStateInfo("1"));
         UNIT_ASSERT_VALUES_EQUAL(cluster.AddLocks(permission, nullptr), 1);
         UNIT_ASSERT_VALUES_EQUAL(cluster.Node(2).State, EState::RESTART);
         UNIT_ASSERT_VALUES_EQUAL(cluster.Node(2).Lock->ActionDeadline, now + TDuration::Seconds(30));
diff --git a/ydb/core/cms/cms.cpp b/ydb/core/cms/cms.cpp
index 93c8dd2f15..0a205024e3 100644
--- a/ydb/core/cms/cms.cpp
+++ b/ydb/core/cms/cms.cpp
@@ -1,7 +1,7 @@
 #include "cms_impl.h"
 #include "info_collector.h"
 #include "scheme.h"
-#include "sentinel.h" 
+#include "sentinel.h"
 
 #include <ydb/core/actorlib_impl/long_timer.h>
 #include <ydb/core/base/appdata.h>
@@ -11,7 +11,7 @@
 
 #include <library/cpp/actors/interconnect/interconnect.h>
 
-#include <util/generic/serialized_enum.h> 
+#include <util/generic/serialized_enum.h>
 #include <util/string/join.h>
 #include <util/system/hostname.h>
 
@@ -226,10 +226,10 @@ bool TCms::CheckPermissionRequest(const TPermissionRequest &request,
         scheduled.SetTenantPolicy(request.GetTenantPolicy());
     }
 
-    LOG_INFO_S(ctx, NKikimrServices::CMS, 
+    LOG_INFO_S(ctx, NKikimrServices::CMS,
                 "Check request: " << request.ShortDebugString());
 
-    switch (request.GetAvailabilityMode()) { 
+    switch (request.GetAvailabilityMode()) {
     case MODE_MAX_AVAILABILITY:
     case MODE_KEEP_AVAILABLE:
     case MODE_FORCE_RESTART:
@@ -238,22 +238,22 @@ bool TCms::CheckPermissionRequest(const TPermissionRequest &request,
         response.MutableStatus()->SetCode(TStatus::WRONG_REQUEST);
         response.MutableStatus()
             ->SetReason(Sprintf("Unsupported availability mode: %s",
-                                EAvailabilityMode_Name(request.GetAvailabilityMode()).data())); 
+                                EAvailabilityMode_Name(request.GetAvailabilityMode()).data()));
         return false;
     };
 
     auto point = ClusterInfo->PushRollbackPoint();
     for (const auto &action : request.GetActions()) {
-        TDuration permissionDuration = State->Config.DefaultPermissionDuration; 
-        if (request.HasDuration()) 
-            permissionDuration = TDuration::MicroSeconds(request.GetDuration()); 
-        if (action.HasDuration()) 
-            permissionDuration = TDuration::MicroSeconds(action.GetDuration()); 
- 
-        TActionOptions opts(permissionDuration); 
-        opts.TenantPolicy = request.GetTenantPolicy(); 
-        opts.AvailabilityMode = request.GetAvailabilityMode(); 
- 
+        TDuration permissionDuration = State->Config.DefaultPermissionDuration;
+        if (request.HasDuration())
+            permissionDuration = TDuration::MicroSeconds(request.GetDuration());
+        if (action.HasDuration())
+            permissionDuration = TDuration::MicroSeconds(action.GetDuration());
+
+        TActionOptions opts(permissionDuration);
+        opts.TenantPolicy = request.GetTenantPolicy();
+        opts.AvailabilityMode = request.GetAvailabilityMode();
+
         TErrorInfo error;
 
         LOG_DEBUG(ctx, NKikimrServices::CMS, "Checking action: %s", action.ShortDebugString().data());
@@ -342,17 +342,17 @@ bool TCms::IsActionHostValid(const TAction &action, TErrorInfo &error) const
     return true;
 }
 
-bool TCms::ParseServices(const TAction &action, TServices &services, TErrorInfo &error) const { 
+bool TCms::ParseServices(const TAction &action, TServices &services, TErrorInfo &error) const {
     for (const auto &service : action.GetServices()) {
-        EService value; 
-        if (!TryFromString(service, value)) { 
+        EService value;
+        if (!TryFromString(service, value)) {
             error.Code = TStatus::WRONG_REQUEST;
-            error.Reason = Sprintf("Invalid service '%s' (supported services: %s)", 
-                                   service.data(), GetEnumAllNames<EService>().data()); 
+            error.Reason = Sprintf("Invalid service '%s' (supported services: %s)",
+                                   service.data(), GetEnumAllNames<EService>().data());
             return false;
         }
- 
-        services |= value; 
+
+        services |= value;
     }
 
     return true;
@@ -439,22 +439,22 @@ bool TCms::CheckAction(const TAction &action,
     }
 }
 
-bool TCms::CheckActionShutdownNode(const NKikimrCms::TAction &action, 
-                                   const TActionOptions &opts, 
-                                   const TNodeInfo &node, 
-                                   TErrorInfo &error) const 
-{ 
-    if (!TryToLockNode(action, opts, node, error)) { 
-        return false; 
-    } 
- 
-    if (!TryToLockVDisks(action, opts, node.VDisks, error)) { 
-        return false; 
-    } 
- 
-    return true; 
-} 
- 
+bool TCms::CheckActionShutdownNode(const NKikimrCms::TAction &action,
+                                   const TActionOptions &opts,
+                                   const TNodeInfo &node,
+                                   TErrorInfo &error) const
+{
+    if (!TryToLockNode(action, opts, node, error)) {
+        return false;
+    }
+
+    if (!TryToLockVDisks(action, opts, node.VDisks, error)) {
+        return false;
+    }
+
+    return true;
+}
+
 bool TCms::CheckActionRestartServices(const TAction &action,
                                       const TActionOptions &opts,
                                       TErrorInfo &error) const
@@ -469,35 +469,35 @@ bool TCms::CheckActionRestartServices(const TAction &action,
         return false;
     }
 
-    bool found = false; 
-    for (const auto node : ClusterInfo->HostNodes(action.GetHost())) { 
-        if (node->Services & services) { 
-            found = true; 
-            if (!CheckActionShutdownNode(action, opts, *node, error)) { 
-                return false; 
-            } 
-        } 
-    } 
- 
+    bool found = false;
+    for (const auto node : ClusterInfo->HostNodes(action.GetHost())) {
+        if (node->Services & services) {
+            found = true;
+            if (!CheckActionShutdownNode(action, opts, *node, error)) {
+                return false;
+            }
+        }
+    }
+
     if (!found) {
-        error.Code =  TStatus::NO_SUCH_SERVICE; 
-        error.Reason = Sprintf("No such services: %s on host %s", 
-            JoinSeq(", ", action.GetServices()).c_str(), action.GetHost().c_str()); 
-        return false; 
-    } 
- 
-    error.Deadline = TActivationContext::Now() + opts.PermissionDuration; 
-    return true; 
+        error.Code =  TStatus::NO_SUCH_SERVICE;
+        error.Reason = Sprintf("No such services: %s on host %s",
+            JoinSeq(", ", action.GetServices()).c_str(), action.GetHost().c_str());
+        return false;
+    }
+
+    error.Deadline = TActivationContext::Now() + opts.PermissionDuration;
+    return true;
 }
 
 bool TCms::CheckActionShutdownHost(const TAction &action,
                                    const TActionOptions &opts,
                                    TErrorInfo &error) const
 {
-    for (const auto node : ClusterInfo->HostNodes(action.GetHost())) { 
-        if (!CheckActionShutdownNode(action, opts, *node, error)) { 
+    for (const auto node : ClusterInfo->HostNodes(action.GetHost())) {
+        if (!CheckActionShutdownNode(action, opts, *node, error)) {
             return false;
-        } 
+        }
     }
 
     error.Deadline = TActivationContext::Now() + opts.PermissionDuration;
@@ -667,7 +667,7 @@ bool TCms::TryToLockVDisk(const TActionOptions& opts,
         }
 
         // Check if group already has locked disks.
-        if (counters.Locked && counters.Code == TStatus::DISALLOW) { 
+        if (counters.Locked && counters.Code == TStatus::DISALLOW) {
             error.Code = counters.Code;
             error.Reason = JoinSeq("\n", counters.Errors);
             error.Deadline = counters.Deadline;
@@ -676,7 +676,7 @@ bool TCms::TryToLockVDisk(const TActionOptions& opts,
 
         switch (opts.AvailabilityMode) {
         case MODE_MAX_AVAILABILITY:
-            if ((counters.Down + counters.Locked) > 0) { 
+            if ((counters.Down + counters.Locked) > 0) {
                 Y_VERIFY(counters.Code == TStatus::DISALLOW_TEMP);
                 error.Code = TStatus::DISALLOW_TEMP;
                 error.Reason = JoinSeq("\n", counters.Errors);
@@ -685,7 +685,7 @@ bool TCms::TryToLockVDisk(const TActionOptions& opts,
             }
             break;
         case MODE_KEEP_AVAILABLE:
-            if ((counters.Down + counters.Locked) >= group.Erasure.ParityParts()) { 
+            if ((counters.Down + counters.Locked) >= group.Erasure.ParityParts()) {
                 Y_VERIFY(counters.Code == TStatus::DISALLOW_TEMP);
                 error.Code = TStatus::DISALLOW_TEMP;
                 error.Reason = JoinSeq("\n", counters.Errors);
@@ -727,14 +727,14 @@ bool TCms::CheckActionReplaceDevices(const TAction &action,
                 res = false;
                 break;
             }
-        } else if (ClusterInfo->HasPDisk(action.GetHost(), device)) { 
-            const auto &pdisk = ClusterInfo->PDisk(action.GetHost(), device); 
-            if (TryToLockPDisk(action, opts, pdisk, error)) 
-                ClusterInfo->AddPDiskTempLock(pdisk.PDiskId, action); 
-            else { 
-                res = false; 
-                break; 
-            } 
+        } else if (ClusterInfo->HasPDisk(action.GetHost(), device)) {
+            const auto &pdisk = ClusterInfo->PDisk(action.GetHost(), device);
+            if (TryToLockPDisk(action, opts, pdisk, error))
+                ClusterInfo->AddPDiskTempLock(pdisk.PDiskId, action);
+            else {
+                res = false;
+                break;
+            }
         } else if (ClusterInfo->HasVDisk(device)) {
             const auto &vdisk = ClusterInfo->VDisk(device);
             if (TryToLockVDisk(opts, vdisk, duration, error))
@@ -759,40 +759,40 @@ bool TCms::CheckActionReplaceDevices(const TAction &action,
 }
 
 void TCms::AcceptPermissions(TPermissionResponse &resp, const TString &requestId,
-                             const TString &owner, const TActorContext &ctx, bool check) 
+                             const TString &owner, const TActorContext &ctx, bool check)
 {
     for (size_t i = 0; i < resp.PermissionsSize(); ++i) {
         auto &permission = *resp.MutablePermissions(i);
         permission.SetId(owner + "-p-" + ToString(State->NextPermissionId++));
         State->Permissions.emplace(permission.GetId(), TPermissionInfo(permission, requestId, owner));
         ClusterInfo->AddLocks(permission, requestId, owner, &ctx);
- 
-        if (!check || owner != WALLE_CMS_USER) { 
-            continue; 
-        } 
- 
-        auto reqIt = State->WalleRequests.find(requestId); 
-        if (reqIt == State->WalleRequests.end()) { 
-            LOG_ERROR_S(ctx, NKikimrServices::CMS, "Cannot add permission to unknown wall-e request " << requestId); 
-            continue; 
-        } 
- 
-        auto taskIt = State->WalleTasks.find(reqIt->second); 
-        if (taskIt == State->WalleTasks.end()) { 
-            LOG_ERROR_S(ctx, NKikimrServices::CMS, "Cannot add permission to unknown wall-e task" << reqIt->second); 
-            continue; 
-        } 
- 
-        taskIt->second.Permissions.insert(permission.GetId()); 
-    }
-}
-
-void TCms::ScheduleUpdateClusterInfo(const TActorContext &ctx, bool now) 
-{ 
-    ctx.Schedule(now ? TDuration::Zero() : TDuration::Minutes(1), 
-                 new TEvPrivate::TEvUpdateClusterInfo()); 
-} 
- 
+
+        if (!check || owner != WALLE_CMS_USER) {
+            continue;
+        }
+
+        auto reqIt = State->WalleRequests.find(requestId);
+        if (reqIt == State->WalleRequests.end()) {
+            LOG_ERROR_S(ctx, NKikimrServices::CMS, "Cannot add permission to unknown wall-e request " << requestId);
+            continue;
+        }
+
+        auto taskIt = State->WalleTasks.find(reqIt->second);
+        if (taskIt == State->WalleTasks.end()) {
+            LOG_ERROR_S(ctx, NKikimrServices::CMS, "Cannot add permission to unknown wall-e task" << reqIt->second);
+            continue;
+        }
+
+        taskIt->second.Permissions.insert(permission.GetId());
+    }
+}
+
+void TCms::ScheduleUpdateClusterInfo(const TActorContext &ctx, bool now)
+{
+    ctx.Schedule(now ? TDuration::Zero() : TDuration::Minutes(1),
+                 new TEvPrivate::TEvUpdateClusterInfo());
+}
+
 void TCms::ScheduleCleanup(TInstant time, const TActorContext &ctx)
 {
     // Don't schedule event in the past or earlier then already
@@ -817,10 +817,10 @@ void TCms::SchedulePermissionsCleanup(const TActorContext &ctx)
 
     TInstant earliest = TInstant::Max();
     for (const auto &entry : State->Permissions) {
-        const TDuration duration = TDuration::MicroSeconds(entry.second.Action.GetDuration()); 
-        const TDuration doubleDuration = ((TDuration::Max() / 2) >= duration ? (2 * duration) : TDuration::Max()); 
-        const TInstant deadline = entry.second.Deadline; 
-        earliest = Min(earliest, deadline + doubleDuration); 
+        const TDuration duration = TDuration::MicroSeconds(entry.second.Action.GetDuration());
+        const TDuration doubleDuration = ((TDuration::Max() / 2) >= duration ? (2 * duration) : TDuration::Max());
+        const TInstant deadline = entry.second.Deadline;
+        earliest = Min(earliest, deadline + doubleDuration);
     }
 
     ScheduleCleanup(earliest, ctx);
@@ -866,7 +866,7 @@ void TCms::CleanupExpired(const TActorContext &ctx)
     SchedulePermissionsCleanup(ctx);
     ScheduleNotificationsCleanup(ctx);
 }
- 
+
 void TCms::DoPermissionsCleanup(const TActorContext &ctx)
 {
     ScheduledCleanups.pop();
@@ -874,14 +874,14 @@ void TCms::DoPermissionsCleanup(const TActorContext &ctx)
     TVector<TString> ids;
     auto now = ctx.Now();
     for (const auto &entry : State->Permissions) {
-        const TDuration duration = TDuration::MicroSeconds(entry.second.Action.GetDuration()); 
-        const TDuration doubleDuration = ((TDuration::Max() / 2) >= duration ? (2 * duration) : TDuration::Max()); 
-        const TInstant deadline(entry.second.Deadline); 
-        if ((deadline + doubleDuration) <= now) 
+        const TDuration duration = TDuration::MicroSeconds(entry.second.Action.GetDuration());
+        const TDuration doubleDuration = ((TDuration::Max() / 2) >= duration ? (2 * duration) : TDuration::Max());
+        const TInstant deadline(entry.second.Deadline);
+        if ((deadline + doubleDuration) <= now)
             ids.push_back(entry.first);
     }
 
-    Execute(CreateTxRemovePermissions(std::move(ids), nullptr, nullptr, true), ctx); 
+    Execute(CreateTxRemovePermissions(std::move(ids), nullptr, nullptr, true), ctx);
 }
 
 void TCms::CleanupWalleTasks(const TActorContext &ctx)
@@ -892,28 +892,28 @@ void TCms::CleanupWalleTasks(const TActorContext &ctx)
     // permissions which means we might have some Wall-E requests
     // not attached to Wall-E tasks and Wall-E tasks with no
     // request and permissions. Cleanup the mess here.
-    TVector<TString> requestsToRemove; 
+    TVector<TString> requestsToRemove;
     for (const auto &entry : State->ScheduledRequests) {
         const auto &request = entry.second;
         if (request.Owner == WALLE_CMS_USER
             && !State->WalleRequests.contains(request.RequestId))
-            requestsToRemove.push_back(request.RequestId); 
+            requestsToRemove.push_back(request.RequestId);
+    }
+
+    for (const auto &requestId : requestsToRemove) {
+        Execute(CreateTxRemoveRequest(requestId, nullptr, nullptr), ctx);
     }
 
-    for (const auto &requestId : requestsToRemove) { 
-        Execute(CreateTxRemoveRequest(requestId, nullptr, nullptr), ctx); 
-    } 
- 
-    TVector<TString> permissionsToRemove; 
+    TVector<TString> permissionsToRemove;
     for (const auto &entry : State->Permissions) {
         const auto &permission = entry.second;
         if (permission.Owner == WALLE_CMS_USER
             && !State->WalleRequests.contains(permission.RequestId))
-            permissionsToRemove.push_back(permission.PermissionId); 
+            permissionsToRemove.push_back(permission.PermissionId);
     }
 
-    if (!permissionsToRemove.empty()) 
-        Execute(CreateTxRemovePermissions(permissionsToRemove, nullptr, nullptr), ctx); 
+    if (!permissionsToRemove.empty())
+        Execute(CreateTxRemovePermissions(permissionsToRemove, nullptr, nullptr), ctx);
 
     RemoveEmptyWalleTasks(ctx);
 
@@ -943,8 +943,8 @@ void TCms::Cleanup(const TActorContext &ctx)
 {
     LOG_DEBUG(ctx, NKikimrServices::CMS, "TCms::Cleanup");
 
-    if (State->Sentinel) 
-        ctx.Send(State->Sentinel, new TEvents::TEvPoisonPill); 
+    if (State->Sentinel)
+        ctx.Send(State->Sentinel, new TEvents::TEvPoisonPill);
 }
 
 void TCms::Die(const TActorContext& ctx)
@@ -962,18 +962,18 @@ void TCms::AddHostState(const TNodeInfo &node, TClusterStateResponse &resp, TIns
     host->SetInterconnectPort(node.IcPort);
     host->SetTimestamp(timestamp.GetValue());
     if (node.State == UP || node.VDisks || node.PDisks) {
-        for (const auto flag : GetEnumAllValues<EService>()) { 
-            if (!(node.Services & flag)) { 
-                continue; 
-            } 
- 
-            auto* service = host->AddServices(); 
-            service->SetName(ToString(flag)); 
-            service->SetState(node.State); 
-            if (node.State == UP) { 
-                service->SetVersion(node.Version); 
-            } 
-            service->SetTimestamp(timestamp.GetValue()); 
+        for (const auto flag : GetEnumAllValues<EService>()) {
+            if (!(node.Services & flag)) {
+                continue;
+            }
+
+            auto* service = host->AddServices();
+            service->SetName(ToString(flag));
+            service->SetState(node.State);
+            if (node.State == UP) {
+                service->SetVersion(node.Version);
+            }
+            service->SetTimestamp(timestamp.GetValue());
         }
 
         for (const auto &vdId : node.VDisks) {
@@ -1000,7 +1000,7 @@ void TCms::GetPermission(TEvCms::TEvManagePermissionRequest::TPtr &ev, bool all,
     const auto &rec = ev->Get()->Record;
     const TString &user = rec.GetUser();
 
-    LOG_INFO(ctx, NKikimrServices::CMS, "Get %s permissions for %s", 
+    LOG_INFO(ctx, NKikimrServices::CMS, "Get %s permissions for %s",
               all ? "all" : "selected", user.data());
 
     resp->Record.MutableStatus()->SetCode(TStatus::OK);
@@ -1044,7 +1044,7 @@ void TCms::RemovePermission(TEvCms::TEvManagePermissionRequest::TPtr &ev, bool d
     const auto &rec = ev->Get()->Record;
     const TString &user = rec.GetUser();
 
-    LOG_INFO(ctx, NKikimrServices::CMS, "User %s %s permissions %s", 
+    LOG_INFO(ctx, NKikimrServices::CMS, "User %s %s permissions %s",
               user.data(), done ? "is done with" : "rejected", ToString(rec.GetPermissions()).data());
 
     TVector<TString> ids;
@@ -1071,8 +1071,8 @@ void TCms::RemovePermission(TEvCms::TEvManagePermissionRequest::TPtr &ev, bool d
     LOG_DEBUG(ctx, NKikimrServices::CMS, "Resulting status: %s %s",
               TStatus::ECode_Name(resp->Record.GetStatus().GetCode()).data(), resp->Record.GetStatus().GetReason().data());
 
-    if (!rec.GetDryRun() && resp->Record.GetStatus().GetCode() == TStatus::OK) { 
-        auto handle = new IEventHandle(ev->Sender, SelfId(), resp.Release(), 0, ev->Cookie); 
+    if (!rec.GetDryRun() && resp->Record.GetStatus().GetCode() == TStatus::OK) {
+        auto handle = new IEventHandle(ev->Sender, SelfId(), resp.Release(), 0, ev->Cookie);
         Execute(CreateTxRemovePermissions(std::move(ids), std::move(ev->Release()), handle), ctx);
     } else {
         Reply(ev, std::move(resp), ctx);
@@ -1085,7 +1085,7 @@ void TCms::GetRequest(TEvCms::TEvManageRequestRequest::TPtr &ev, bool all, const
     const auto &rec = ev->Get()->Record;
     const TString &user = rec.GetUser();
 
-    LOG_INFO(ctx, NKikimrServices::CMS, "Get %s requests for %s", 
+    LOG_INFO(ctx, NKikimrServices::CMS, "Get %s requests for %s",
               all ? "all" : "selected", user.data());
 
     resp->Record.MutableStatus()->SetCode(TStatus::OK);
@@ -1124,7 +1124,7 @@ void TCms::RemoveRequest(TEvCms::TEvManageRequestRequest::TPtr &ev, const TActor
     const TString &user = rec.GetUser();
     const TString &id = rec.GetRequestId();
 
-    LOG_INFO(ctx, NKikimrServices::CMS, "User %s removes request %s", user.data(), id.data()); 
+    LOG_INFO(ctx, NKikimrServices::CMS, "User %s removes request %s", user.data(), id.data());
 
     resp->Record.MutableStatus()->SetCode(TStatus::OK);
     auto it = State->ScheduledRequests.find(id);
@@ -1143,8 +1143,8 @@ void TCms::RemoveRequest(TEvCms::TEvManageRequestRequest::TPtr &ev, const TActor
     LOG_DEBUG(ctx, NKikimrServices::CMS, "Resulting status: %s %s",
               TStatus::ECode_Name(resp->Record.GetStatus().GetCode()).data(), resp->Record.GetStatus().GetReason().data());
 
-    if (!rec.GetDryRun() && resp->Record.GetStatus().GetCode() == TStatus::OK) { 
-        auto handle = new IEventHandle(ev->Sender, SelfId(), resp.Release(), 0, ev->Cookie); 
+    if (!rec.GetDryRun() && resp->Record.GetStatus().GetCode() == TStatus::OK) {
+        auto handle = new IEventHandle(ev->Sender, SelfId(), resp.Release(), 0, ev->Cookie);
         Execute(CreateTxRemoveRequest(id, std::move(ev->Release()), handle), ctx);
     } else {
         Reply(ev, std::move(resp), ctx);
@@ -1159,7 +1159,7 @@ void TCms::GetNotifications(TEvCms::TEvManageNotificationRequest::TPtr &ev, bool
     const auto &rec = ev->Get()->Record;
     const TString &user = rec.GetUser();
 
-    LOG_INFO(ctx, NKikimrServices::CMS, "Get %s notifications for %s", 
+    LOG_INFO(ctx, NKikimrServices::CMS, "Get %s notifications for %s",
               all ? "all" : "selected", user.data());
 
     resp->Record.MutableStatus()->SetCode(TStatus::OK);
@@ -1228,8 +1228,8 @@ void TCms::CheckAndEnqueueRequest(TEvCms::TEvPermissionRequest::TPtr &ev, const
     auto &rec = ev->Get()->Record;
 
     if (!rec.GetUser()) {
-        return ReplyWithError<TEvCms::TEvPermissionResponse>( 
-            ev, TStatus::WRONG_REQUEST, "Missing user in request", ctx); 
+        return ReplyWithError<TEvCms::TEvPermissionResponse>(
+            ev, TStatus::WRONG_REQUEST, "Missing user in request", ctx);
     }
 
     EnqueueRequest(ev.Release(), ctx);
@@ -1240,19 +1240,19 @@ void TCms::CheckAndEnqueueRequest(TEvCms::TEvCheckRequest::TPtr &ev, const TActo
     auto &rec = ev->Get()->Record;
 
     if (!rec.GetUser()) {
-        return ReplyWithError<TEvCms::TEvPermissionResponse>( 
-            ev, TStatus::WRONG_REQUEST, "Missing user in request", ctx); 
+        return ReplyWithError<TEvCms::TEvPermissionResponse>(
+            ev, TStatus::WRONG_REQUEST, "Missing user in request", ctx);
     }
 
     auto it = State->ScheduledRequests.find(rec.GetRequestId());
     if (it == State->ScheduledRequests.end()) {
         auto reason = Sprintf("Unknown request %s", rec.GetRequestId().data());
-        return ReplyWithError<TEvCms::TEvPermissionResponse>(ev, TStatus::WRONG_REQUEST, reason, ctx); 
+        return ReplyWithError<TEvCms::TEvPermissionResponse>(ev, TStatus::WRONG_REQUEST, reason, ctx);
     }
 
     if (it->second.Owner != rec.GetUser()) {
         auto reason = Sprintf("Request %s doesn't belong to %s", rec.GetRequestId().data(), rec.GetUser().data());
-        return ReplyWithError<TEvCms::TEvPermissionResponse>(ev, TStatus::WRONG_REQUEST, reason, ctx); 
+        return ReplyWithError<TEvCms::TEvPermissionResponse>(ev, TStatus::WRONG_REQUEST, reason, ctx);
     }
 
     EnqueueRequest(ev.Release(), ctx);
@@ -1260,7 +1260,7 @@ void TCms::CheckAndEnqueueRequest(TEvCms::TEvCheckRequest::TPtr &ev, const TActo
 
 void TCms::CheckAndEnqueueRequest(TEvCms::TEvConditionalPermissionRequest::TPtr &ev, const TActorContext &ctx)
 {
-    ReplyWithError<TEvCms::TEvPermissionResponse>(ev, TStatus::ERROR, "Not supported", ctx); 
+    ReplyWithError<TEvCms::TEvPermissionResponse>(ev, TStatus::ERROR, "Not supported", ctx);
 }
 
 void TCms::CheckAndEnqueueRequest(TEvCms::TEvNotification::TPtr &ev, const TActorContext &ctx)
@@ -1268,8 +1268,8 @@ void TCms::CheckAndEnqueueRequest(TEvCms::TEvNotification::TPtr &ev, const TActo
     auto &rec = ev->Get()->Record;
 
     if (!rec.GetUser()) {
-        return ReplyWithError<TEvCms::TEvNotificationResponse>( 
-            ev, TStatus::WRONG_REQUEST, "Missing user in request", ctx); 
+        return ReplyWithError<TEvCms::TEvNotificationResponse>(
+            ev, TStatus::WRONG_REQUEST, "Missing user in request", ctx);
     }
 
     EnqueueRequest(ev.Release(), ctx);
@@ -1286,7 +1286,7 @@ void TCms::PersistNodeTenants(TTransactionContext& txc, const TActorContext& ctx
         auto row = db.Table<Schema::NodeTenant>().Key(nodeId);
         row.Update(NIceDb::TUpdate<Schema::NodeTenant::Tenant>(tenant));
 
-        LOG_NOTICE(ctx, NKikimrServices::CMS, 
+        LOG_NOTICE(ctx, NKikimrServices::CMS,
                   "Persist node %" PRIu32 " tenant '%s'",
                   nodeId, tenant.data());
     }
@@ -1304,7 +1304,7 @@ void TCms::ProcessRequest(TAutoPtr<IEventHandle> &ev, const TActorContext &ctx)
 {
     TRACE_EVENT(NKikimrServices::CMS);
     switch (ev->GetTypeRewrite()) {
-        HFuncTraced(TEvPrivate::TEvUpdateClusterInfo, Handle); 
+        HFuncTraced(TEvPrivate::TEvUpdateClusterInfo, Handle);
         HFuncTraced(TEvCms::TEvClusterStateRequest, Handle);
         HFuncTraced(TEvCms::TEvPermissionRequest, Handle);
         HFuncTraced(TEvCms::TEvCheckRequest, Handle);
@@ -1319,15 +1319,15 @@ void TCms::ProcessRequest(TAutoPtr<IEventHandle> &ev, const TActorContext &ctx)
 
 void TCms::OnBSCPipeDestroyed(const TActorContext &ctx)
 {
-    LOG_WARN(ctx, NKikimrServices::CMS, "BS Controller connection error"); 
+    LOG_WARN(ctx, NKikimrServices::CMS, "BS Controller connection error");
 
     if (State->BSControllerPipe) {
         NTabletPipe::CloseClient(ctx, State->BSControllerPipe);
         State->BSControllerPipe = TActorId();
     }
 
-    if (State->Sentinel) 
-        ctx.Send(State->Sentinel, new TEvSentinel::TEvBSCPipeDisconnected); 
+    if (State->Sentinel)
+        ctx.Send(State->Sentinel, new TEvSentinel::TEvBSCPipeDisconnected);
 }
 
 void TCms::Handle(TEvPrivate::TEvClusterInfo::TPtr &ev, const TActorContext &ctx)
@@ -1350,7 +1350,7 @@ void TCms::Handle(TEvPrivate::TEvClusterInfo::TPtr &ev, const TActorContext &ctx
     info->SetOutdated(false);
 
     if (ClusterInfo) {
-        info->MigrateOldInfo(ClusterInfo); 
+        info->MigrateOldInfo(ClusterInfo);
     } else {
         info->ApplyDowntimes(State->Downtimes);
     }
@@ -1360,7 +1360,7 @@ void TCms::Handle(TEvPrivate::TEvClusterInfo::TPtr &ev, const TActorContext &ctx
     State->ClusterInfo = info;
     ClusterInfo = info;
 
-    ClusterInfo->UpdateDowntimes(State->Downtimes, ctx); 
+    ClusterInfo->UpdateDowntimes(State->Downtimes, ctx);
     Execute(CreateTxUpdateDowntimes(), ctx);
 
     if (State->InitialNodeTenants) {
@@ -1368,9 +1368,9 @@ void TCms::Handle(TEvPrivate::TEvClusterInfo::TPtr &ev, const TActorContext &ctx
         State->InitialNodeTenants.clear();
     }
 
-    if (State->Config.SentinelConfig.Enable && !State->Sentinel) 
+    if (State->Config.SentinelConfig.Enable && !State->Sentinel)
         State->Sentinel = RegisterWithSameMailbox(CreateSentinel(State));
- 
+
     info->DebugDump(ctx);
 
     ProcessQueue(ctx);
@@ -1381,20 +1381,20 @@ void TCms::Handle(TEvPrivate::TEvLogAndSend::TPtr &ev, const TActorContext &ctx)
     Execute(CreateTxLogAndSend(ev), ctx);
 }
 
-void TCms::Handle(TEvPrivate::TEvUpdateClusterInfo::TPtr &/*ev*/, const TActorContext &ctx) 
-{ 
-    if (State->ClusterInfo->IsOutdated()) { 
-        ScheduleUpdateClusterInfo(ctx); 
-    } 
-} 
- 
+void TCms::Handle(TEvPrivate::TEvUpdateClusterInfo::TPtr &/*ev*/, const TActorContext &ctx)
+{
+    if (State->ClusterInfo->IsOutdated()) {
+        ScheduleUpdateClusterInfo(ctx);
+    }
+}
+
 void TCms::Handle(TEvCms::TEvManageRequestRequest::TPtr &ev, const TActorContext &ctx)
 {
     auto &rec = ev->Get()->Record;
 
     if (!rec.GetUser()) {
-        return ReplyWithError<TEvCms::TEvManageRequestResponse>( 
-            ev, TStatus::WRONG_REQUEST, "Missing user in request", ctx); 
+        return ReplyWithError<TEvCms::TEvManageRequestResponse>(
+            ev, TStatus::WRONG_REQUEST, "Missing user in request", ctx);
     }
 
     switch (rec.GetCommand()) {
@@ -1408,8 +1408,8 @@ void TCms::Handle(TEvCms::TEvManageRequestRequest::TPtr &ev, const TActorContext
         RemoveRequest(ev, ctx);
         return;
     default:
-        return ReplyWithError<TEvCms::TEvManageRequestResponse>( 
-            ev, TStatus::WRONG_REQUEST, "Unknown command", ctx); 
+        return ReplyWithError<TEvCms::TEvManageRequestResponse>(
+            ev, TStatus::WRONG_REQUEST, "Unknown command", ctx);
     }
 }
 
@@ -1418,8 +1418,8 @@ void TCms::Handle(TEvCms::TEvManagePermissionRequest::TPtr &ev, const TActorCont
     auto &rec = ev->Get()->Record;
 
     if (!rec.GetUser()) {
-        return ReplyWithError<TEvCms::TEvManagePermissionResponse>( 
-            ev, TStatus::WRONG_REQUEST, "Missing user in request", ctx); 
+        return ReplyWithError<TEvCms::TEvManagePermissionResponse>(
+            ev, TStatus::WRONG_REQUEST, "Missing user in request", ctx);
     }
 
     switch (rec.GetCommand()) {
@@ -1435,12 +1435,12 @@ void TCms::Handle(TEvCms::TEvManagePermissionRequest::TPtr &ev, const TActorCont
     case TManagePermissionRequest::REJECT:
         RemovePermission(ev, false, ctx);
         return;
-    case TManagePermissionRequest::EXTEND: 
-        return ReplyWithError<TEvCms::TEvManagePermissionResponse>( 
-            ev, TStatus::ERROR, "Not supported", ctx); 
+    case TManagePermissionRequest::EXTEND:
+        return ReplyWithError<TEvCms::TEvManagePermissionResponse>(
+            ev, TStatus::ERROR, "Not supported", ctx);
     default:
-        return ReplyWithError<TEvCms::TEvManagePermissionResponse>( 
-            ev, TStatus::WRONG_REQUEST, "Unknown command", ctx); 
+        return ReplyWithError<TEvCms::TEvManagePermissionResponse>(
+            ev, TStatus::WRONG_REQUEST, "Unknown command", ctx);
     }
 }
 
@@ -1448,8 +1448,8 @@ void TCms::Handle(TEvCms::TEvClusterStateRequest::TPtr &ev,
                   const TActorContext &ctx)
 {
     if (ClusterInfo->IsOutdated()) {
-        return ReplyWithError<TEvCms::TEvClusterStateResponse>( 
-            ev, TStatus::ERROR_TEMP, "Cannot collect cluster state", ctx); 
+        return ReplyWithError<TEvCms::TEvClusterStateResponse>(
+            ev, TStatus::ERROR_TEMP, "Cannot collect cluster state", ctx);
     }
 
     TAutoPtr<TEvCms::TEvClusterStateResponse> resp = new TEvCms::TEvClusterStateResponse;
@@ -1462,7 +1462,7 @@ void TCms::Handle(TEvCms::TEvClusterStateRequest::TPtr &ev,
                     AddHostState(*node, resp->Record, ClusterInfo->GetTimestamp());
                 }
             } else {
-                return ReplyWithError<TEvCms::TEvClusterStateResponse>( 
+                return ReplyWithError<TEvCms::TEvClusterStateResponse>(
                     ev, TStatus::NO_SUCH_HOST, "Unknown host " + host, ctx);
             }
         }
@@ -1481,8 +1481,8 @@ void TCms::Handle(TEvCms::TEvPermissionRequest::TPtr &ev,
                   const TActorContext &ctx)
 {
     if (ClusterInfo->IsOutdated()) {
-        return ReplyWithError<TEvCms::TEvPermissionResponse>( 
-            ev, TStatus::ERROR_TEMP, "Cannot collect cluster state", ctx); 
+        return ReplyWithError<TEvCms::TEvPermissionResponse>(
+            ev, TStatus::ERROR_TEMP, "Cannot collect cluster state", ctx);
     }
 
     TAutoPtr<TEvCms::TEvPermissionResponse> resp = new TEvCms::TEvPermissionResponse;
@@ -1490,27 +1490,27 @@ void TCms::Handle(TEvCms::TEvPermissionRequest::TPtr &ev,
     auto &rec = ev->Get()->Record;
     TString user = rec.GetUser();
 
-    auto actions(std::move(*rec.MutableActions())); 
-    rec.ClearActions(); 
- 
-    THashSet<TString> hostNames; 
-    for (const auto &action : actions) { 
-        if (action.HasTenant()) { 
-            for (const TNodeInfo * node : ClusterInfo->TenantNodes(action.GetTenant())) { 
-                if (!hostNames.insert(node->Host).second) { 
-                    continue; 
-                } 
- 
-                TAction &hostAction = *rec.MutableActions()->Add(); 
-                hostAction.CopyFrom(action); 
-                hostAction.ClearTenant(); 
-                hostAction.SetHost(node->Host); 
-            } 
-        } else { 
-            rec.MutableActions()->Add()->CopyFrom(action); 
-        } 
-    } 
- 
+    auto actions(std::move(*rec.MutableActions()));
+    rec.ClearActions();
+
+    THashSet<TString> hostNames;
+    for (const auto &action : actions) {
+        if (action.HasTenant()) {
+            for (const TNodeInfo * node : ClusterInfo->TenantNodes(action.GetTenant())) {
+                if (!hostNames.insert(node->Host).second) {
+                    continue;
+                }
+
+                TAction &hostAction = *rec.MutableActions()->Add();
+                hostAction.CopyFrom(action);
+                hostAction.ClearTenant();
+                hostAction.SetHost(node->Host);
+            }
+        } else {
+            rec.MutableActions()->Add()->CopyFrom(action);
+        }
+    }
+
     bool ok = CheckPermissionRequest(rec, resp->Record, scheduled.Request, ctx);
 
     // Schedule request if required.
@@ -1529,17 +1529,17 @@ void TCms::Handle(TEvCms::TEvPermissionRequest::TPtr &ev,
 
             copy = new TRequestInfo(scheduled);
             State->ScheduledRequests.emplace(reqId, std::move(scheduled));
-        } else if (user == WALLE_CMS_USER) { 
-            scheduled.Owner = user; 
-            scheduled.RequestId = reqId; 
- 
-            copy = new TRequestInfo(scheduled); 
+        } else if (user == WALLE_CMS_USER) {
+            scheduled.Owner = user;
+            scheduled.RequestId = reqId;
+
+            copy = new TRequestInfo(scheduled);
         }
 
         if (ok)
             AcceptPermissions(resp->Record, reqId, user, ctx);
 
-        auto handle = new IEventHandle(ev->Sender, SelfId(), resp.Release(), 0, ev->Cookie); 
+        auto handle = new IEventHandle(ev->Sender, SelfId(), resp.Release(), 0, ev->Cookie);
         Execute(CreateTxStorePermissions(std::move(ev->Release()), handle, user, std::move(copy)), ctx);
     }
 }
@@ -1547,8 +1547,8 @@ void TCms::Handle(TEvCms::TEvPermissionRequest::TPtr &ev,
 void TCms::Handle(TEvCms::TEvCheckRequest::TPtr &ev, const TActorContext &ctx)
 {
     if (ClusterInfo->IsOutdated()) {
-        return ReplyWithError<TEvCms::TEvPermissionResponse>( 
-            ev, TStatus::ERROR_TEMP, "Cannot collect cluster state", ctx); 
+        return ReplyWithError<TEvCms::TEvPermissionResponse>(
+            ev, TStatus::ERROR_TEMP, "Cannot collect cluster state", ctx);
     }
 
     auto &rec = ev->Get()->Record;
@@ -1558,8 +1558,8 @@ void TCms::Handle(TEvCms::TEvCheckRequest::TPtr &ev, const TActorContext &ctx)
     // deleted after previous event check.
     if (it == State->ScheduledRequests.end()) {
         auto reason = Sprintf("Unknown request %s", rec.GetRequestId().data());
-        return ReplyWithError<TEvCms::TEvPermissionResponse>( 
-            ev, TStatus::WRONG_REQUEST, reason, ctx); 
+        return ReplyWithError<TEvCms::TEvPermissionResponse>(
+            ev, TStatus::WRONG_REQUEST, reason, ctx);
     }
 
     TString user = rec.GetUser();
@@ -1600,9 +1600,9 @@ void TCms::Handle(TEvCms::TEvCheckRequest::TPtr &ev, const TActorContext &ctx)
         }
 
         if (ok)
-            AcceptPermissions(resp->Record, scheduled.RequestId, user, ctx, true); 
+            AcceptPermissions(resp->Record, scheduled.RequestId, user, ctx, true);
 
-        auto handle = new IEventHandle(ev->Sender, SelfId(), resp.Release(), 0, ev->Cookie); 
+        auto handle = new IEventHandle(ev->Sender, SelfId(), resp.Release(), 0, ev->Cookie);
         Execute(CreateTxStorePermissions(std::move(ev->Release()), handle, user, std::move(copy)), ctx);
     }
 }
@@ -1651,9 +1651,9 @@ bool TCms::CheckNotificationReplaceDevices(const TAction &action, TInstant time,
                                            TErrorInfo &error, const TActorContext &ctx) const
 {
     for (const auto &device : action.GetDevices()) {
-        if (!ClusterInfo->HasPDisk(device) 
-                && !ClusterInfo->HasPDisk(action.GetHost(), device) 
-                && !ClusterInfo->HasVDisk(device)) { 
+        if (!ClusterInfo->HasPDisk(device)
+                && !ClusterInfo->HasPDisk(action.GetHost(), device)
+                && !ClusterInfo->HasVDisk(device)) {
             error.Code = TStatus::NO_SUCH_DEVICE;
             error.Reason = Sprintf("Unknown device %s (use cluster state command"
                                    " to get list of known devices)", device.data());
@@ -1739,8 +1739,8 @@ bool TCms::CheckNotification(const TNotification &notification,
 void TCms::Handle(TEvCms::TEvNotification::TPtr &ev, const TActorContext &ctx)
 {
     if (ClusterInfo->IsOutdated()) {
-        return ReplyWithError<TEvCms::TEvNotificationResponse>( 
-            ev, TStatus::ERROR_TEMP, "Cannot collect cluster state", ctx); 
+        return ReplyWithError<TEvCms::TEvNotificationResponse>(
+            ev, TStatus::ERROR_TEMP, "Cannot collect cluster state", ctx);
     }
 
     Execute(CreateTxProcessNotification(ev), ctx);
@@ -1750,12 +1750,12 @@ void TCms::Handle(TEvCms::TEvManageNotificationRequest::TPtr &ev, const TActorCo
 {
     auto &rec = ev->Get()->Record;
 
-    LOG_INFO(ctx, NKikimrServices::CMS, "Notification management request: %s", 
+    LOG_INFO(ctx, NKikimrServices::CMS, "Notification management request: %s",
               rec.ShortDebugString().data());
 
     if (!rec.GetUser()) {
-        return ReplyWithError<TEvCms::TEvManageNotificationResponse>( 
-            ev, TStatus::WRONG_REQUEST, "Missing user in request", ctx); 
+        return ReplyWithError<TEvCms::TEvManageNotificationResponse>(
+            ev, TStatus::WRONG_REQUEST, "Missing user in request", ctx);
     }
 
     switch (rec.GetCommand()) {
@@ -1769,8 +1769,8 @@ void TCms::Handle(TEvCms::TEvManageNotificationRequest::TPtr &ev, const TActorCo
         Execute(CreateTxRejectNotification(ev), ctx);
         return;
     default:
-        return ReplyWithError<TEvCms::TEvManageNotificationResponse>( 
-            ev, TStatus::WRONG_REQUEST, "Unknown command", ctx); 
+        return ReplyWithError<TEvCms::TEvManageNotificationResponse>(
+            ev, TStatus::WRONG_REQUEST, "Unknown command", ctx);
     }
 }
 
@@ -1804,7 +1804,7 @@ void TCms::Handle(TEvCms::TEvStoreWalleTask::TPtr &ev, const TActorContext &ctx)
     State->WalleTasks.emplace(event->Task.TaskId, event->Task);
     State->WalleRequests.emplace(event->Task.RequestId, event->Task.TaskId);
 
-    auto handle = new IEventHandle(ev->Sender, SelfId(), new TEvCms::TEvWalleTaskStored(event->Task.TaskId), 0, ev->Cookie); 
+    auto handle = new IEventHandle(ev->Sender, SelfId(), new TEvCms::TEvWalleTaskStored(event->Task.TaskId), 0, ev->Cookie);
     Execute(CreateTxStoreWalleTask(event->Task, std::move(ev->Release()), handle), ctx);
 }
 
@@ -1815,10 +1815,10 @@ void TCms::Handle(TEvCms::TEvRemoveWalleTask::TPtr &ev, const TActorContext &ctx
 
     if (State->WalleTasks.contains(id)) {
         auto &task = State->WalleTasks.find(id)->second;
-        auto handle = new IEventHandle(ev->Sender, SelfId(), resp.Release(), 0, ev->Cookie); 
-        if (State->ScheduledRequests.contains(task.RequestId)) { 
+        auto handle = new IEventHandle(ev->Sender, SelfId(), resp.Release(), 0, ev->Cookie);
+        if (State->ScheduledRequests.contains(task.RequestId)) {
             Execute(CreateTxRemoveRequest(task.RequestId, std::move(ev->Release()), handle), ctx);
-        } else { 
+        } else {
             TVector<TString> ids(task.Permissions.begin(), task.Permissions.end());
             Execute(CreateTxRemovePermissions(ids, std::move(ev->Release()), handle), ctx);
         }
@@ -1844,14 +1844,14 @@ void TCms::Handle(TEvCms::TEvSetConfigRequest::TPtr &ev, const TActorContext &ct
 
 void TCms::Handle(TEvCms::TEvResetMarkerRequest::TPtr &ev, const TActorContext &ctx)
 {
-    return ReplyWithError<TEvCms::TEvResetMarkerResponse>( 
-        ev, TStatus::ERROR, "Unsupported action", ctx); 
+    return ReplyWithError<TEvCms::TEvResetMarkerResponse>(
+        ev, TStatus::ERROR, "Unsupported action", ctx);
 }
 
 void TCms::Handle(TEvCms::TEvSetMarkerRequest::TPtr &ev, const TActorContext &ctx)
 {
-    return ReplyWithError<TEvCms::TEvSetMarkerResponse>( 
-        ev, TStatus::ERROR, "Unsupported action", ctx); 
+    return ReplyWithError<TEvCms::TEvSetMarkerResponse>(
+        ev, TStatus::ERROR, "Unsupported action", ctx);
 }
 
 void TCms::Handle(TEvCms::TEvGetLogTailRequest::TPtr &ev, const TActorContext &ctx)
diff --git a/ydb/core/cms/cms.h b/ydb/core/cms/cms.h
index 39b46b7700..25cb8ef024 100644
--- a/ydb/core/cms/cms.h
+++ b/ydb/core/cms/cms.h
@@ -195,7 +195,7 @@ struct TEvCms {
 
         TString ToString() const override
         {
-            return Sprintf("%s { Task: %s }", ToStringHeader().data(), Task.ToString().data()); 
+            return Sprintf("%s { Task: %s }", ToStringHeader().data(), Task.ToString().data());
         }
     };
 
@@ -209,7 +209,7 @@ struct TEvCms {
 
         TString ToString() const override
         {
-            return Sprintf("%s { TaskId: %s }", ToStringHeader().data(), TaskId.data()); 
+            return Sprintf("%s { TaskId: %s }", ToStringHeader().data(), TaskId.data());
         }
     };
 
@@ -218,7 +218,7 @@ struct TEvCms {
 
         TString ToString() const override
         {
-            return Sprintf("%s { TaskId: %s }", ToStringHeader().data(), TaskId.data()); 
+            return Sprintf("%s { TaskId: %s }", ToStringHeader().data(), TaskId.data());
         }
     };
 
@@ -232,7 +232,7 @@ struct TEvCms {
 
         TString ToString() const override
         {
-            return Sprintf("%s { TaskId: %s }", ToStringHeader().data(), TaskId.data()); 
+            return Sprintf("%s { TaskId: %s }", ToStringHeader().data(), TaskId.data());
         }
     };
 
diff --git a/ydb/core/cms/cms_impl.h b/ydb/core/cms/cms_impl.h
index 718b0d3e1d..4813888490 100644
--- a/ydb/core/cms/cms_impl.h
+++ b/ydb/core/cms/cms_impl.h
@@ -1,10 +1,10 @@
 #pragma once
 
-#include "audit_log.h" 
+#include "audit_log.h"
 #include "cms.h"
 #include "config.h"
 #include "logger.h"
-#include "services.h" 
+#include "services.h"
 #include "walle.h"
 
 #include <library/cpp/actors/core/hfunc.h>
@@ -31,7 +31,7 @@ public:
     struct TEvPrivate {
         enum EEv {
             EvClusterInfo = EventSpaceBegin(TKikimrEvents::ES_PRIVATE),
-            EvUpdateClusterInfo, 
+            EvUpdateClusterInfo,
             EvCleanupExpired,
             EvCleanupWalle,
             EvLogAndSend,
@@ -52,8 +52,8 @@ public:
             }
         };
 
-        struct TEvUpdateClusterInfo : public TEventLocal<TEvUpdateClusterInfo, EvUpdateClusterInfo> {}; 
- 
+        struct TEvUpdateClusterInfo : public TEventLocal<TEvUpdateClusterInfo, EvUpdateClusterInfo> {};
+
         struct TEvCleanupExpired : public TEventLocal<TEvCleanupExpired, EvCleanupExpired> {};
 
         struct TEvCleanupWalle : public TEventLocal<TEvCleanupWalle, EvCleanupWalle> {};
@@ -151,44 +151,44 @@ private:
     ITransaction *CreateTxProcessNotification(TEvCms::TEvNotification::TPtr &ev);
     ITransaction *CreateTxRejectNotification(TEvCms::TEvManageNotificationRequest::TPtr &ev);
     ITransaction *CreateTxRemoveExpiredNotifications();
-    ITransaction *CreateTxRemoveRequest(const TString &id, THolder<IEventBase> req, TAutoPtr<IEventHandle> resp); 
-    ITransaction *CreateTxRemovePermissions(TVector<TString> ids, THolder<IEventBase> req, TAutoPtr<IEventHandle> resp, bool expired = false); 
-    ITransaction *CreateTxRemoveWalleTask(const TString &id); 
-    ITransaction *CreateTxStorePermissions(THolder<IEventBase> req, TAutoPtr<IEventHandle> resp, 
-                                           const TString &owner, TAutoPtr<TRequestInfo> scheduled); 
-    ITransaction *CreateTxStoreWalleTask(const TWalleTaskInfo &task, THolder<IEventBase> req, TAutoPtr<IEventHandle> resp); 
+    ITransaction *CreateTxRemoveRequest(const TString &id, THolder<IEventBase> req, TAutoPtr<IEventHandle> resp);
+    ITransaction *CreateTxRemovePermissions(TVector<TString> ids, THolder<IEventBase> req, TAutoPtr<IEventHandle> resp, bool expired = false);
+    ITransaction *CreateTxRemoveWalleTask(const TString &id);
+    ITransaction *CreateTxStorePermissions(THolder<IEventBase> req, TAutoPtr<IEventHandle> resp,
+                                           const TString &owner, TAutoPtr<TRequestInfo> scheduled);
+    ITransaction *CreateTxStoreWalleTask(const TWalleTaskInfo &task, THolder<IEventBase> req, TAutoPtr<IEventHandle> resp);
     ITransaction *CreateTxUpdateConfig(TEvCms::TEvSetConfigRequest::TPtr &ev);
     ITransaction *CreateTxUpdateConfig(TEvConsole::TEvConfigNotificationRequest::TPtr &ev);
     ITransaction *CreateTxUpdateDowntimes();
 
-    static void AuditLog(const TActorContext& ctx, const TString& message) { 
-        NCms::AuditLog("CMS tablet", message, ctx); 
-    } 
+    static void AuditLog(const TActorContext& ctx, const TString& message) {
+        NCms::AuditLog("CMS tablet", message, ctx);
+    }
 
-    static void AuditLog(const IEventBase* request, const IEventBase* response, const TActorContext& ctx) { 
-        return AuditLog(ctx, TStringBuilder() << "Reply" 
-            << ": request# " << request->ToString() 
-            << ", response# " << response->ToString()); 
-    } 
+    static void AuditLog(const IEventBase* request, const IEventBase* response, const TActorContext& ctx) {
+        return AuditLog(ctx, TStringBuilder() << "Reply"
+            << ": request# " << request->ToString()
+            << ", response# " << response->ToString());
+    }
 
-    static void Reply(const IEventBase* request, TAutoPtr<IEventHandle> response, const TActorContext& ctx) { 
-        AuditLog(request, response->GetBase(), ctx); 
-        ctx.Send(response); 
+    static void Reply(const IEventBase* request, TAutoPtr<IEventHandle> response, const TActorContext& ctx) {
+        AuditLog(request, response->GetBase(), ctx);
+        ctx.Send(response);
     }
 
-    template <typename TEvRequestPtr> 
-    static void Reply(TEvRequestPtr& request, THolder<IEventBase> response, const TActorContext& ctx) { 
-        AuditLog(request->Get(), response.Get(), ctx); 
-        ctx.Send(request->Sender, response.Release(), 0, request->Cookie); 
-    } 
+    template <typename TEvRequestPtr>
+    static void Reply(TEvRequestPtr& request, THolder<IEventBase> response, const TActorContext& ctx) {
+        AuditLog(request->Get(), response.Get(), ctx);
+        ctx.Send(request->Sender, response.Release(), 0, request->Cookie);
+    }
 
-    template <typename TEvResponse, typename TEvRequestPtr> 
-    static void ReplyWithError(TEvRequestPtr& ev, EStatusCode code, const TString& reason, const TActorContext& ctx) { 
-        auto response = MakeHolder<TEvResponse>(); 
-        response->Record.MutableStatus()->SetCode(code); 
-        response->Record.MutableStatus()->SetReason(reason); 
+    template <typename TEvResponse, typename TEvRequestPtr>
+    static void ReplyWithError(TEvRequestPtr& ev, EStatusCode code, const TString& reason, const TActorContext& ctx) {
+        auto response = MakeHolder<TEvResponse>();
+        response->Record.MutableStatus()->SetCode(code);
+        response->Record.MutableStatus()->SetReason(reason);
 
-        Reply<TEvRequestPtr>(ev, std::move(response), ctx); 
+        Reply<TEvRequestPtr>(ev, std::move(response), ctx);
     }
 
     STFUNC(StateInit)
@@ -198,9 +198,9 @@ private:
         StateInitImpl(ev, ctx);
     }
 
-    template <typename TEvRequest, typename TEvResponse> 
-    void HandleNotSupported(typename TEvRequest::TPtr& ev, const TActorContext& ctx) { 
-        ReplyWithError<TEvResponse, typename TEvRequest::TPtr>(ev, NKikimrCms::TStatus::ERROR, NotSupportedReason, ctx); 
+    template <typename TEvRequest, typename TEvResponse>
+    void HandleNotSupported(typename TEvRequest::TPtr& ev, const TActorContext& ctx) {
+        ReplyWithError<TEvResponse, typename TEvRequest::TPtr>(ev, NKikimrCms::TStatus::ERROR, NotSupportedReason, ctx);
     }
 
     STFUNC(StateNotSupported)
@@ -238,7 +238,7 @@ private:
         switch (ev->GetTypeRewrite()) {
             HFunc(TEvPrivate::TEvClusterInfo, Handle);
             HFunc(TEvPrivate::TEvLogAndSend, Handle);
-            FFunc(TEvPrivate::EvUpdateClusterInfo, EnqueueRequest); 
+            FFunc(TEvPrivate::EvUpdateClusterInfo, EnqueueRequest);
             CFunc(TEvPrivate::EvCleanupExpired, CleanupExpired);
             CFunc(TEvPrivate::EvCleanupLog, CleanupLog);
             CFunc(TEvPrivate::EvCleanupWalle, CleanupWalleTasks);
@@ -258,8 +258,8 @@ private:
             HFunc(TEvCms::TEvRemoveWalleTask, Handle);
             HFunc(TEvCms::TEvGetConfigRequest, Handle);
             HFunc(TEvCms::TEvSetConfigRequest, Handle);
-            HFunc(TEvCms::TEvResetMarkerRequest, Handle); 
-            HFunc(TEvCms::TEvSetMarkerRequest, Handle); 
+            HFunc(TEvCms::TEvResetMarkerRequest, Handle);
+            HFunc(TEvCms::TEvSetMarkerRequest, Handle);
             HFunc(TEvCms::TEvGetLogTailRequest, Handle);
             HFunc(TEvConsole::TEvConfigNotificationRequest, Handle);
             HFunc(TEvConsole::TEvReplaceConfigSubscriptionsResponse, Handle);
@@ -299,40 +299,40 @@ private:
                      NKikimrCms::TStatus::ECode &code,
                      TString &error,
                      const TActorContext &ctx);
-    bool CheckAction(const NKikimrCms::TAction &action, const TActionOptions &options, 
+    bool CheckAction(const NKikimrCms::TAction &action, const TActionOptions &options,
                      TErrorInfo &error) const;
-    bool CheckActionShutdownNode(const NKikimrCms::TAction &action, 
-                                 const TActionOptions &options, 
-                                 const TNodeInfo &node, 
-                                 TErrorInfo &error) const; 
+    bool CheckActionShutdownNode(const NKikimrCms::TAction &action,
+                                 const TActionOptions &options,
+                                 const TNodeInfo &node,
+                                 TErrorInfo &error) const;
     bool CheckActionRestartServices(const NKikimrCms::TAction &action,
-                                    const TActionOptions &options, 
+                                    const TActionOptions &options,
                                     TErrorInfo &error) const;
     bool CheckActionShutdownHost(const NKikimrCms::TAction &action,
-                                 const TActionOptions &options, 
+                                 const TActionOptions &options,
                                  TErrorInfo &error) const;
     bool CheckActionReplaceDevices(const NKikimrCms::TAction &action,
-                                   const TActionOptions &options, 
+                                   const TActionOptions &options,
                                    TErrorInfo &error) const;
-    bool TryToLockNode(const NKikimrCms::TAction &action, 
-                       const TActionOptions &options, 
-                       const TNodeInfo &node, 
+    bool TryToLockNode(const NKikimrCms::TAction &action,
+                       const TActionOptions &options,
+                       const TNodeInfo &node,
                        TErrorInfo& error) const;
     bool TryToLockPDisk(const NKikimrCms::TAction &action,
-                        const TActionOptions &options, 
+                        const TActionOptions &options,
                         const TPDiskInfo &pdisk,
                         TErrorInfo &error) const;
     bool TryToLockVDisks(const NKikimrCms::TAction &action,
-                         const TActionOptions &options, 
+                         const TActionOptions &options,
                          const TSet<TVDiskID> &vdisks,
                          TErrorInfo &error) const;
-    bool TryToLockVDisk(const TActionOptions &options, 
+    bool TryToLockVDisk(const TActionOptions &options,
                         const TVDiskInfo &vdisk,
                         TDuration duration,
                         TErrorInfo &error) const;
     void AcceptPermissions(NKikimrCms::TPermissionResponse &resp, const TString &requestId,
-                           const TString &owner, const TActorContext &ctx, bool check = false); 
-    void ScheduleUpdateClusterInfo(const TActorContext &ctx, bool now = false); 
+                           const TString &owner, const TActorContext &ctx, bool check = false);
+    void ScheduleUpdateClusterInfo(const TActorContext &ctx, bool now = false);
     void ScheduleCleanup(TInstant time, const TActorContext &ctx);
     void SchedulePermissionsCleanup(const TActorContext &ctx);
     void ScheduleNotificationsCleanup(const TActorContext &ctx);
@@ -385,7 +385,7 @@ private:
 
     void Handle(TEvPrivate::TEvClusterInfo::TPtr &ev, const TActorContext &ctx);
     void Handle(TEvPrivate::TEvLogAndSend::TPtr &ev, const TActorContext &ctx);
-    void Handle(TEvPrivate::TEvUpdateClusterInfo::TPtr &ev, const TActorContext &ctx); 
+    void Handle(TEvPrivate::TEvUpdateClusterInfo::TPtr &ev, const TActorContext &ctx);
     void Handle(TEvCms::TEvManageRequestRequest::TPtr &ev, const TActorContext &ctx);
     void Handle(TEvCms::TEvManagePermissionRequest::TPtr &ev, const TActorContext &ctx);
     void Handle(TEvCms::TEvClusterStateRequest::TPtr &ev, const TActorContext &ctx);
diff --git a/ydb/core/cms/cms_state.h b/ydb/core/cms/cms_state.h
index a264fed4b3..5f0b6ff2e2 100644
--- a/ydb/core/cms/cms_state.h
+++ b/ydb/core/cms/cms_state.h
@@ -5,8 +5,8 @@
 
 #include <util/generic/set.h>
 #include <util/generic/string.h>
-#include <util/string/builder.h> 
-#include <util/string/join.h> 
+#include <util/string/builder.h>
+#include <util/string/join.h>
 
 namespace NKikimr {
 namespace NCms {
@@ -15,14 +15,14 @@ struct TWalleTaskInfo {
     TString TaskId;
     TString RequestId;
     TSet<TString> Permissions;
- 
-    TString ToString() const { 
-        return TStringBuilder() << "{" 
-            << " TaskId: " << TaskId 
-            << " RequestId: " << RequestId 
-            << " Permissions: [" << JoinSeq(", ", Permissions) << "]" 
-            << " }"; 
-    } 
+
+    TString ToString() const {
+        return TStringBuilder() << "{"
+            << " TaskId: " << TaskId
+            << " RequestId: " << RequestId
+            << " Permissions: [" << JoinSeq(", ", Permissions) << "]"
+            << " }";
+    }
 };
 
 struct TCmsState : public TAtomicRefCount<TCmsState> {
diff --git a/ydb/core/cms/cms_tenants_ut.cpp b/ydb/core/cms/cms_tenants_ut.cpp
index e70a8b60f9..e14fe4dd57 100644
--- a/ydb/core/cms/cms_tenants_ut.cpp
+++ b/ydb/core/cms/cms_tenants_ut.cpp
@@ -349,18 +349,18 @@ Y_UNIT_TEST_SUITE(TCmsTenatsTest) {
         TestScheduledPermission(true);
     }
 
-    void TestShutdownHost(bool usePolicy) 
+    void TestShutdownHost(bool usePolicy)
     {
         TNodeTenantsMap staticTenants;
         staticTenants[0].push_back("user0");
         staticTenants[8].push_back("user0");
 
-        TCmsTestEnv env(16, 1, staticTenants); 
+        TCmsTestEnv env(16, 1, staticTenants);
 
         env.SetLimits(0, 10, 0, 0);
 
-        env.CheckPermissionRequest("user", false, false, false, usePolicy, 
-                                   TStatus::ALLOW, 
+        env.CheckPermissionRequest("user", false, false, false, usePolicy,
+                                   TStatus::ALLOW,
                                    MakeAction(TAction::SHUTDOWN_HOST, env.GetNodeId(0), 60000000));
 
         env.CheckPermissionRequest("user", false, false, false, usePolicy,
@@ -368,63 +368,63 @@ Y_UNIT_TEST_SUITE(TCmsTenatsTest) {
                                    MakeAction(TAction::SHUTDOWN_HOST, env.GetNodeId(8), 60000000));
 
         env.CheckPermissionRequest("user", false, false, false, usePolicy,
-                                   TStatus::ALLOW, 
+                                   TStatus::ALLOW,
                                    MakeAction(TAction::SHUTDOWN_HOST, env.GetNodeId(15), 60000000));
     }
 
-    Y_UNIT_TEST(RequestShutdownHost) { 
-        TestShutdownHost(false); 
+    Y_UNIT_TEST(RequestShutdownHost) {
+        TestShutdownHost(false);
+    }
+
+    Y_UNIT_TEST(RequestShutdownHostWithTenantPolicy) {
+        TestShutdownHost(true);
     }
 
-    Y_UNIT_TEST(RequestShutdownHostWithTenantPolicy) { 
-        TestShutdownHost(true); 
+    Y_UNIT_TEST(RequestRestartServices) {
+        TCmsTestEnv env(16, 1, TNodeTenantsMap{
+            {8,  {"user0"}},
+            {9,  {"user0"}},
+            {10, {"user0"}},
+            {11, {"user0"}},
+            {12, {"user0"}},
+            {13, {"user0"}},
+            {14, {"user0"}},
+            {15, {"user0"}},
+        });
+
+        // there is not storage on dynamic nodes
+        env.CheckPermissionRequest("user", false, false, false, true, TStatus::NO_SUCH_SERVICE,
+            MakeAction(TAction::RESTART_SERVICES, env.GetNodeId(8), 60000000, "storage"));
+
+        env.SetLimits(0, 50, 0, 0);
+        // it is allowed to restart 50%
+        env.CheckPermissionRequest("user", false, false, false, true, TStatus::ALLOW,
+            MakeAction(TAction::RESTART_SERVICES, env.GetNodeId(8),  60000000, "dynnode"),
+            MakeAction(TAction::RESTART_SERVICES, env.GetNodeId(9),  60000000, "dynnode"),
+            MakeAction(TAction::RESTART_SERVICES, env.GetNodeId(10), 60000000, "dynnode"),
+            MakeAction(TAction::RESTART_SERVICES, env.GetNodeId(11), 60000000, "dynnode")
+        );
+        env.CheckPermissionRequest("user", false, false, false, true, TStatus::DISALLOW_TEMP,
+            MakeAction(TAction::RESTART_SERVICES, env.GetNodeId(12), 60000000, "dynnode"));
+
+        env.SetLimits(0, 0, 0, 0);
+        // it is allowed to restart them all
+        env.CheckPermissionRequest("user", false, false, false, true, TStatus::ALLOW,
+            MakeAction(TAction::RESTART_SERVICES, env.GetNodeId(12), 60000000, "dynnode"),
+            MakeAction(TAction::RESTART_SERVICES, env.GetNodeId(13), 60000000, "dynnode"),
+            MakeAction(TAction::RESTART_SERVICES, env.GetNodeId(14), 60000000, "dynnode"),
+            MakeAction(TAction::RESTART_SERVICES, env.GetNodeId(15), 60000000, "dynnode")
+        );
+
+        // it doesn't affect storage nodes
+        env.CheckPermissionRequest("user", false, false, false, true, TStatus::ALLOW,
+            MakeAction(TAction::RESTART_SERVICES, env.GetNodeId(0), 60000000, "storage"));
+
+        // and fault model checks still work
+        env.CheckPermissionRequest("user", false, false, false, true, TStatus::DISALLOW_TEMP,
+            MakeAction(TAction::RESTART_SERVICES, env.GetNodeId(1), 60000000, "storage"));
     }
 
-    Y_UNIT_TEST(RequestRestartServices) { 
-        TCmsTestEnv env(16, 1, TNodeTenantsMap{ 
-            {8,  {"user0"}}, 
-            {9,  {"user0"}}, 
-            {10, {"user0"}}, 
-            {11, {"user0"}}, 
-            {12, {"user0"}}, 
-            {13, {"user0"}}, 
-            {14, {"user0"}}, 
-            {15, {"user0"}}, 
-        }); 
- 
-        // there is not storage on dynamic nodes 
-        env.CheckPermissionRequest("user", false, false, false, true, TStatus::NO_SUCH_SERVICE, 
-            MakeAction(TAction::RESTART_SERVICES, env.GetNodeId(8), 60000000, "storage")); 
- 
-        env.SetLimits(0, 50, 0, 0); 
-        // it is allowed to restart 50% 
-        env.CheckPermissionRequest("user", false, false, false, true, TStatus::ALLOW, 
-            MakeAction(TAction::RESTART_SERVICES, env.GetNodeId(8),  60000000, "dynnode"), 
-            MakeAction(TAction::RESTART_SERVICES, env.GetNodeId(9),  60000000, "dynnode"), 
-            MakeAction(TAction::RESTART_SERVICES, env.GetNodeId(10), 60000000, "dynnode"), 
-            MakeAction(TAction::RESTART_SERVICES, env.GetNodeId(11), 60000000, "dynnode") 
-        ); 
-        env.CheckPermissionRequest("user", false, false, false, true, TStatus::DISALLOW_TEMP, 
-            MakeAction(TAction::RESTART_SERVICES, env.GetNodeId(12), 60000000, "dynnode")); 
- 
-        env.SetLimits(0, 0, 0, 0); 
-        // it is allowed to restart them all 
-        env.CheckPermissionRequest("user", false, false, false, true, TStatus::ALLOW, 
-            MakeAction(TAction::RESTART_SERVICES, env.GetNodeId(12), 60000000, "dynnode"), 
-            MakeAction(TAction::RESTART_SERVICES, env.GetNodeId(13), 60000000, "dynnode"), 
-            MakeAction(TAction::RESTART_SERVICES, env.GetNodeId(14), 60000000, "dynnode"), 
-            MakeAction(TAction::RESTART_SERVICES, env.GetNodeId(15), 60000000, "dynnode") 
-        ); 
- 
-        // it doesn't affect storage nodes 
-        env.CheckPermissionRequest("user", false, false, false, true, TStatus::ALLOW, 
-            MakeAction(TAction::RESTART_SERVICES, env.GetNodeId(0), 60000000, "storage")); 
- 
-        // and fault model checks still work 
-        env.CheckPermissionRequest("user", false, false, false, true, TStatus::DISALLOW_TEMP, 
-            MakeAction(TAction::RESTART_SERVICES, env.GetNodeId(1), 60000000, "storage")); 
-    } 
- 
     void TestLimitForceRestartMode(bool tenant, bool ratio)
     {
         TNodeTenantsMap staticTenants;
diff --git a/ydb/core/cms/cms_tx_load_state.cpp b/ydb/core/cms/cms_tx_load_state.cpp
index 4fe0d38062..eb144dc0de 100644
--- a/ydb/core/cms/cms_tx_load_state.cpp
+++ b/ydb/core/cms/cms_tx_load_state.cpp
@@ -37,7 +37,7 @@ public:
 
         if (!paramRow.IsReady() || !permissionRowset.IsReady()
             || !requestRowset.IsReady() || !walleTaskRowset.IsReady()
-            || !notificationRowset.IsReady() || !logRowset.IsReady()) 
+            || !notificationRowset.IsReady() || !logRowset.IsReady())
             return false;
 
         NKikimrCms::TCmsConfig config;
@@ -193,7 +193,7 @@ public:
         Self->SchedulePermissionsCleanup(ctx);
         Self->ScheduleNotificationsCleanup(ctx);
         Self->ScheduleLogCleanup(ctx);
-        Self->ScheduleUpdateClusterInfo(ctx, true); 
+        Self->ScheduleUpdateClusterInfo(ctx, true);
         Self->ProcessInitQueue(ctx);
     }
 };
diff --git a/ydb/core/cms/cms_tx_process_notification.cpp b/ydb/core/cms/cms_tx_process_notification.cpp
index ca8565c408..2174a82f17 100644
--- a/ydb/core/cms/cms_tx_process_notification.cpp
+++ b/ydb/core/cms/cms_tx_process_notification.cpp
@@ -21,7 +21,7 @@ public:
         auto &rec = Event->Get()->Record;
         Response = new TEvCms::TEvNotificationResponse;
 
-        LOG_INFO(ctx, NKikimrServices::CMS, "Processing notification from %s (time=%s reason='%s')", 
+        LOG_INFO(ctx, NKikimrServices::CMS, "Processing notification from %s (time=%s reason='%s')",
                   rec.GetUser().data(), TInstant::MicroSeconds(rec.GetTime()).ToStringLocalUpToSeconds().data(),
                   rec.GetReason().data());
 
@@ -39,10 +39,10 @@ public:
             auto row = db.Table<Schema::Notification>().Key(id);
             row.Update(NIceDb::TUpdate<Schema::Notification::Owner>(rec.GetUser()),
                        NIceDb::TUpdate<Schema::Notification::NotificationProto>(notificationStr));
- 
-            Self->AuditLog(ctx, TStringBuilder() << "Store notification" 
-                << ": id# " << id 
-                << ", body# " << notificationStr); 
+
+            Self->AuditLog(ctx, TStringBuilder() << "Store notification"
+                << ": id# " << id
+                << ", body# " << notificationStr);
         }
 
         return true;
diff --git a/ydb/core/cms/cms_tx_reject_notification.cpp b/ydb/core/cms/cms_tx_reject_notification.cpp
index 3b9f17a9fb..5612dd9fbb 100644
--- a/ydb/core/cms/cms_tx_reject_notification.cpp
+++ b/ydb/core/cms/cms_tx_reject_notification.cpp
@@ -28,9 +28,9 @@ public:
         TErrorInfo error;
         if (Self->RemoveNotification(id, user, !dry, error)) {
             if (!dry) {
-                Self->AuditLog(ctx, TStringBuilder() << "Remove notification" 
-                    << ": id# " << id 
-                    << ", reason# " << "explicit remove"); 
+                Self->AuditLog(ctx, TStringBuilder() << "Remove notification"
+                    << ": id# " << id
+                    << ", reason# " << "explicit remove");
 
                 NIceDb::TNiceDb db(txc.DB);
                 db.Table<Schema::Notification>().Key(id).Delete();
@@ -42,7 +42,7 @@ public:
             Response->Record.MutableStatus()->SetReason(error.Reason);
         }
 
-        LOG_INFO(ctx, NKikimrServices::CMS, "Response status: %s %s", 
+        LOG_INFO(ctx, NKikimrServices::CMS, "Response status: %s %s",
                   ToString(Response->Record.GetStatus().GetCode()).data(),
                   Response->Record.GetStatus().GetReason().data());
 
diff --git a/ydb/core/cms/cms_tx_remove_expired_notifications.cpp b/ydb/core/cms/cms_tx_remove_expired_notifications.cpp
index bb79e68e26..6235b7f8f0 100644
--- a/ydb/core/cms/cms_tx_remove_expired_notifications.cpp
+++ b/ydb/core/cms/cms_tx_remove_expired_notifications.cpp
@@ -31,7 +31,7 @@ public:
                 TInstant deadline = time + TDuration::MicroSeconds(i->GetDuration());
 
                 if (deadline <= now) {
-                    LOG_INFO(ctx, NKikimrServices::CMS, "Removing expired action from notification %s: %s", 
+                    LOG_INFO(ctx, NKikimrServices::CMS, "Removing expired action from notification %s: %s",
                               info.NotificationId.data(), i->ShortDebugString().data());
 
                     i = actions->erase(i);
@@ -41,9 +41,9 @@ public:
             }
 
             if (actions->empty()) {
-                Self->AuditLog(ctx, TStringBuilder() << "Remove notification" 
-                    << ": id# " << info.NotificationId 
-                    << ", reason# " << "scheduled cleanup"); 
+                Self->AuditLog(ctx, TStringBuilder() << "Remove notification"
+                    << ": id# " << info.NotificationId
+                    << ", reason# " << "scheduled cleanup");
 
                 NIceDb::TNiceDb db(txc.DB);
                 db.Table<Schema::Notification>().Key(info.NotificationId).Delete();
@@ -57,9 +57,9 @@ public:
                 auto row = db.Table<Schema::Notification>().Key(info.NotificationId);
                 row.Update(NIceDb::TUpdate<Schema::Notification::NotificationProto>(notificationStr));
 
-                Self->AuditLog(ctx, TStringBuilder() << "Update notification" 
-                    << ": id# " << info.NotificationId 
-                    << ", body# " << notificationStr); 
+                Self->AuditLog(ctx, TStringBuilder() << "Update notification"
+                    << ": id# " << info.NotificationId
+                    << ", body# " << notificationStr);
             }
 
             entry = next;
diff --git a/ydb/core/cms/cms_tx_remove_permissions.cpp b/ydb/core/cms/cms_tx_remove_permissions.cpp
index f16b2ee3a3..6e638c72ff 100644
--- a/ydb/core/cms/cms_tx_remove_permissions.cpp
+++ b/ydb/core/cms/cms_tx_remove_permissions.cpp
@@ -8,12 +8,12 @@ namespace NCms {
 
 class TCms::TTxRemovePermissions : public TTransactionBase<TCms> {
 public:
-    TTxRemovePermissions(TCms *self, TVector<TString> &&ids, THolder<IEventBase> req, TAutoPtr<IEventHandle> resp, bool expired) 
+    TTxRemovePermissions(TCms *self, TVector<TString> &&ids, THolder<IEventBase> req, TAutoPtr<IEventHandle> resp, bool expired)
         : TBase(self)
-        , Request(std::move(req)) 
+        , Request(std::move(req))
         , Response(resp)
         , Ids(ids)
-        , Expired(expired) 
+        , Expired(expired)
     {
     }
 
@@ -30,23 +30,23 @@ public:
             Self->State->Permissions.erase(id);
             db.Table<Schema::Permission>().Key(id).Delete();
 
-            if (Expired && Self->State->ScheduledRequests.contains(requestId)) { 
-                Self->State->ScheduledRequests.erase(requestId); 
-                db.Table<Schema::Request>().Key(requestId).Delete(); 
- 
-                Self->AuditLog(ctx, TStringBuilder() << "Remove request" 
-                    << ": id# " << requestId 
-                    << ", reason# " << "permission " << id << " has expired"); 
-            } 
- 
+            if (Expired && Self->State->ScheduledRequests.contains(requestId)) {
+                Self->State->ScheduledRequests.erase(requestId);
+                db.Table<Schema::Request>().Key(requestId).Delete();
+
+                Self->AuditLog(ctx, TStringBuilder() << "Remove request"
+                    << ": id# " << requestId
+                    << ", reason# " << "permission " << id << " has expired");
+            }
+
             if (Self->State->WalleRequests.contains(requestId)) {
                 auto taskId = Self->State->WalleRequests.find(requestId)->second;
                 Self->State->WalleTasks.find(taskId)->second.Permissions.erase(id);
             }
 
-            Self->AuditLog(ctx, TStringBuilder() << "Remove permission" 
-                << ": id# " << id 
-                << ", reason# " << (Request ? "explicit remove" : "scheduled cleanup")); 
+            Self->AuditLog(ctx, TStringBuilder() << "Remove permission"
+                << ": id# " << id
+                << ", reason# " << (Request ? "explicit remove" : "scheduled cleanup"));
         }
 
         return true;
@@ -57,23 +57,23 @@ public:
         LOG_DEBUG(ctx, NKikimrServices::CMS, "TTxRemovePermissions Complete");
 
         if (Response) {
-            Y_VERIFY(Request); 
-            Self->Reply(Request.Get(), Response, ctx); 
+            Y_VERIFY(Request);
+            Self->Reply(Request.Get(), Response, ctx);
         }
 
         Self->RemoveEmptyWalleTasks(ctx);
     }
 
 private:
-    THolder<IEventBase> Request; 
+    THolder<IEventBase> Request;
     TAutoPtr<IEventHandle> Response;
     TVector<TString> Ids;
-    bool Expired; 
+    bool Expired;
 };
 
-ITransaction* TCms::CreateTxRemovePermissions(TVector<TString> ids, THolder<IEventBase> req, TAutoPtr<IEventHandle> resp, bool expired) 
+ITransaction* TCms::CreateTxRemovePermissions(TVector<TString> ids, THolder<IEventBase> req, TAutoPtr<IEventHandle> resp, bool expired)
 {
-    return new TTxRemovePermissions(this, std::move(ids), std::move(req), std::move(resp), expired); 
+    return new TTxRemovePermissions(this, std::move(ids), std::move(req), std::move(resp), expired);
 }
 
 } // NCms
diff --git a/ydb/core/cms/cms_tx_remove_request.cpp b/ydb/core/cms/cms_tx_remove_request.cpp
index 92fa27c4f8..fab8144cfe 100644
--- a/ydb/core/cms/cms_tx_remove_request.cpp
+++ b/ydb/core/cms/cms_tx_remove_request.cpp
@@ -8,9 +8,9 @@ namespace NCms {
 
 class TCms::TTxRemoveRequest : public TTransactionBase<TCms> {
 public:
-    TTxRemoveRequest(TCms *self, const TString &id, THolder<IEventBase> req, TAutoPtr<IEventHandle> resp) 
+    TTxRemoveRequest(TCms *self, const TString &id, THolder<IEventBase> req, TAutoPtr<IEventHandle> resp)
         : TBase(self)
-        , Request(std::move(req)) 
+        , Request(std::move(req))
         , Response(resp)
         , Id(id)
     {
@@ -24,9 +24,9 @@ public:
         db.Table<Schema::Request>().Key(Id).Delete();
         Self->State->ScheduledRequests.erase(Id);
 
-        Self->AuditLog(ctx, TStringBuilder() << "Remove request" 
-            << ": id# " << Id 
-            << ", reason# " << (Request ? "explicit remove" : "scheduled cleanup")); 
+        Self->AuditLog(ctx, TStringBuilder() << "Remove request"
+            << ": id# " << Id
+            << ", reason# " << (Request ? "explicit remove" : "scheduled cleanup"));
 
         return true;
     }
@@ -36,22 +36,22 @@ public:
         LOG_DEBUG(ctx, NKikimrServices::CMS, "TTxRemoveRequest Complete");
 
         if (Response) {
-            Y_VERIFY(Request); 
-            Self->Reply(Request.Get(), Response, ctx); 
+            Y_VERIFY(Request);
+            Self->Reply(Request.Get(), Response, ctx);
         }
 
         Self->RemoveEmptyWalleTasks(ctx);
     }
 
 private:
-    THolder<IEventBase> Request; 
+    THolder<IEventBase> Request;
     TAutoPtr<IEventHandle> Response;
     TString Id;
 };
 
-ITransaction* TCms::CreateTxRemoveRequest(const TString &id, THolder<IEventBase> req, TAutoPtr<IEventHandle> resp) 
+ITransaction* TCms::CreateTxRemoveRequest(const TString &id, THolder<IEventBase> req, TAutoPtr<IEventHandle> resp)
 {
-    return new TTxRemoveRequest(this, id, std::move(req), std::move(resp)); 
+    return new TTxRemoveRequest(this, id, std::move(req), std::move(resp));
 }
 
 } // NCms
diff --git a/ydb/core/cms/cms_tx_remove_walle_task.cpp b/ydb/core/cms/cms_tx_remove_walle_task.cpp
index 0df9000a5c..d9e099f0db 100644
--- a/ydb/core/cms/cms_tx_remove_walle_task.cpp
+++ b/ydb/core/cms/cms_tx_remove_walle_task.cpp
@@ -8,7 +8,7 @@ namespace NCms {
 
 class TCms::TTxRemoveWalleTask : public TTransactionBase<TCms> {
 public:
-    TTxRemoveWalleTask(TCms *self, const TString &id) 
+    TTxRemoveWalleTask(TCms *self, const TString &id)
         : TBase(self)
         , Id(id)
     {
@@ -26,11 +26,11 @@ public:
             Self->State->WalleRequests.erase(it->second.RequestId);
             Self->State->WalleTasks.erase(it);
 
-            Self->AuditLog(ctx, TStringBuilder() << "Remove wall-e task" 
-                << ": id# " << Id); 
-        } else { 
+            Self->AuditLog(ctx, TStringBuilder() << "Remove wall-e task"
+                << ": id# " << Id);
+        } else {
             LOG_ERROR(ctx, NKikimrServices::CMS, "Can't find Wall-E task %s", Id.data());
-        } 
+        }
 
         return true;
     }
@@ -44,9 +44,9 @@ private:
     TString Id;
 };
 
-ITransaction* TCms::CreateTxRemoveWalleTask(const TString &id) 
+ITransaction* TCms::CreateTxRemoveWalleTask(const TString &id)
 {
-    return new TTxRemoveWalleTask(this, id); 
+    return new TTxRemoveWalleTask(this, id);
 }
 
 } // NCms
diff --git a/ydb/core/cms/cms_tx_store_permissions.cpp b/ydb/core/cms/cms_tx_store_permissions.cpp
index ecde26aec3..fc5bc54e3e 100644
--- a/ydb/core/cms/cms_tx_store_permissions.cpp
+++ b/ydb/core/cms/cms_tx_store_permissions.cpp
@@ -8,11 +8,11 @@ namespace NCms {
 
 class TCms::TTxStorePermissions : public TTransactionBase<TCms> {
 public:
-    TTxStorePermissions(TCms *self, THolder<IEventBase> req, TAutoPtr<IEventHandle> resp, 
-                        const TString &owner, TAutoPtr<TRequestInfo> scheduled) 
+    TTxStorePermissions(TCms *self, THolder<IEventBase> req, TAutoPtr<IEventHandle> resp,
+                        const TString &owner, TAutoPtr<TRequestInfo> scheduled)
         : TBase(self)
-        , Request(std::move(req)) 
-        , Response(std::move(resp)) 
+        , Request(std::move(req))
+        , Response(std::move(resp))
         , Owner(owner)
         , Scheduled(scheduled)
         , NextPermissionId(self->State->NextPermissionId)
@@ -28,8 +28,8 @@ public:
         db.Table<Schema::Param>().Key(1).Update(NIceDb::TUpdate<Schema::Param::NextPermissionID>(NextPermissionId),
                                                 NIceDb::TUpdate<Schema::Param::NextRequestID>(NextRequestId));
 
-        const auto& rec = Response->Get<TEvCms::TEvPermissionResponse>()->Record; 
-        for (const auto &permission : rec.GetPermissions()) { 
+        const auto& rec = Response->Get<TEvCms::TEvPermissionResponse>()->Record;
+        for (const auto &permission : rec.GetPermissions()) {
             const auto &id = permission.GetId();
             const auto &requestId = Scheduled ? Scheduled->RequestId : "";
             ui64 deadline = permission.GetDeadline();
@@ -42,10 +42,10 @@ public:
                        NIceDb::TUpdate<Schema::Permission::Deadline>(deadline),
                        NIceDb::TUpdate<Schema::Permission::RequestID>(requestId));
 
-            Self->AuditLog(ctx, TStringBuilder() << "Store permission" 
-                << ": id# " << id 
-                << ", validity# " << TInstant::MicroSeconds(deadline) 
-                << ", action# " << actionStr); 
+            Self->AuditLog(ctx, TStringBuilder() << "Store permission"
+                << ": id# " << id
+                << ", validity# " << TInstant::MicroSeconds(deadline)
+                << ", action# " << actionStr);
         }
 
         if (Scheduled) {
@@ -62,17 +62,17 @@ public:
                            NIceDb::TUpdate<Schema::Request::Order>(order),
                            NIceDb::TUpdate<Schema::Request::Content>(requestStr));
 
-                Self->AuditLog(ctx, TStringBuilder() << "Store request" 
-                    << ": id# " << id 
-                    << ", owner# " << owner 
-                    << ", order# " << order 
-                    << ", body# " << requestStr); 
+                Self->AuditLog(ctx, TStringBuilder() << "Store request"
+                    << ": id# " << id
+                    << ", owner# " << owner
+                    << ", order# " << order
+                    << ", body# " << requestStr);
             } else {
                 db.Table<Schema::Request>().Key(id).Delete();
 
-                Self->AuditLog(ctx, TStringBuilder() << "Remove request" 
-                    << ": id# " << id 
-                    << ", owner# " << owner); 
+                Self->AuditLog(ctx, TStringBuilder() << "Remove request"
+                    << ": id# " << id
+                    << ", owner# " << owner);
             }
         }
 
@@ -84,23 +84,23 @@ public:
     {
         LOG_DEBUG(ctx, NKikimrServices::CMS, "TTxStorePermissions complete");
 
-        Self->Reply(Request.Get(), Response, ctx); 
+        Self->Reply(Request.Get(), Response, ctx);
         Self->SchedulePermissionsCleanup(ctx);
     }
 
 private:
-    THolder<IEventBase> Request; 
-    TAutoPtr<IEventHandle> Response; 
+    THolder<IEventBase> Request;
+    TAutoPtr<IEventHandle> Response;
     TString Owner;
     TAutoPtr<TRequestInfo> Scheduled;
     ui64 NextPermissionId;
     ui64 NextRequestId;
 };
 
-ITransaction* TCms::CreateTxStorePermissions(THolder<IEventBase> req, TAutoPtr<IEventHandle> resp, 
-                                             const TString &owner, TAutoPtr<TRequestInfo> scheduled) 
+ITransaction* TCms::CreateTxStorePermissions(THolder<IEventBase> req, TAutoPtr<IEventHandle> resp,
+                                             const TString &owner, TAutoPtr<TRequestInfo> scheduled)
 {
-    return new TTxStorePermissions(this, std::move(req), std::move(resp), owner, std::move(scheduled)); 
+    return new TTxStorePermissions(this, std::move(req), std::move(resp), owner, std::move(scheduled));
 }
 
 } // NCms
diff --git a/ydb/core/cms/cms_tx_store_walle_task.cpp b/ydb/core/cms/cms_tx_store_walle_task.cpp
index 273dae9ac8..f05828477a 100644
--- a/ydb/core/cms/cms_tx_store_walle_task.cpp
+++ b/ydb/core/cms/cms_tx_store_walle_task.cpp
@@ -8,15 +8,15 @@ namespace NCms {
 
 class TCms::TTxStoreWalleTask : public TTransactionBase<TCms> {
 public:
-    TTxStoreWalleTask(TCms *self, const TWalleTaskInfo &task, THolder<IEventBase> req, TAutoPtr<IEventHandle> resp) 
+    TTxStoreWalleTask(TCms *self, const TWalleTaskInfo &task, THolder<IEventBase> req, TAutoPtr<IEventHandle> resp)
         : TBase(self)
         , TaskId(task.TaskId)
         , RequestId(task.RequestId)
-        , Request(std::move(req)) 
+        , Request(std::move(req))
         , Response(std::move(resp))
     {
-        Y_VERIFY(Request); 
-        Y_VERIFY(Response); 
+        Y_VERIFY(Request);
+        Y_VERIFY(Response);
     }
 
     bool Execute(TTransactionContext &txc, const TActorContext &ctx) override
@@ -27,29 +27,29 @@ public:
         auto row = db.Table<Schema::WalleTask>().Key(TaskId);
         row.Update(NIceDb::TUpdate<Schema::WalleTask::RequestID>(RequestId));
 
-        Self->AuditLog(ctx, TStringBuilder() << "Store wall-e task" 
-            << ": id# " << TaskId 
-            << ", requestId# " << RequestId); 
- 
+        Self->AuditLog(ctx, TStringBuilder() << "Store wall-e task"
+            << ": id# " << TaskId
+            << ", requestId# " << RequestId);
+
         return true;
     }
 
     void Complete(const TActorContext &ctx) override
     {
         LOG_DEBUG(ctx, NKikimrServices::CMS, "TTxStoreWalleTask Complete");
-        Self->Reply(Request.Get(), Response, ctx); 
+        Self->Reply(Request.Get(), Response, ctx);
     }
 
 private:
     TString TaskId;
     TString RequestId;
-    THolder<IEventBase> Request; 
+    THolder<IEventBase> Request;
     TAutoPtr<IEventHandle> Response;
 };
 
-ITransaction *TCms::CreateTxStoreWalleTask(const TWalleTaskInfo &task, THolder<IEventBase> req, TAutoPtr<IEventHandle> resp) 
+ITransaction *TCms::CreateTxStoreWalleTask(const TWalleTaskInfo &task, THolder<IEventBase> req, TAutoPtr<IEventHandle> resp)
 {
-    return new TTxStoreWalleTask(this, task, std::move(req), std::move(resp)); 
+    return new TTxStoreWalleTask(this, task, std::move(req), std::move(resp));
 }
 
 } // NCms
diff --git a/ydb/core/cms/cms_tx_update_config.cpp b/ydb/core/cms/cms_tx_update_config.cpp
index c3c8b602f2..59f962b3e2 100644
--- a/ydb/core/cms/cms_tx_update_config.cpp
+++ b/ydb/core/cms/cms_tx_update_config.cpp
@@ -1,6 +1,6 @@
 #include "cms_impl.h"
 #include "scheme.h"
-#include "sentinel.h" 
+#include "sentinel.h"
 
 namespace NKikimr {
 namespace NCms {
@@ -53,16 +53,16 @@ public:
             ctx.Send(Response.Release());
         }
 
-        if (Self->State->Config.SentinelConfig.Enable) { 
-            if (!Self->State->Sentinel) { 
+        if (Self->State->Config.SentinelConfig.Enable) {
+            if (!Self->State->Sentinel) {
                 Self->State->Sentinel = Self->RegisterWithSameMailbox(CreateSentinel(Self->State));
-            } 
-        } else { 
-            if (Self->State->Sentinel) { 
-                ctx.Send(Self->State->Sentinel, new TEvents::TEvPoisonPill()); 
+            }
+        } else {
+            if (Self->State->Sentinel) {
+                ctx.Send(Self->State->Sentinel, new TEvents::TEvPoisonPill());
                 Self->State->Sentinel = TActorId();
-            } 
-        } 
+            }
+        }
     }
 
 private:
diff --git a/ydb/core/cms/cms_ut.cpp b/ydb/core/cms/cms_ut.cpp
index 3904e1c447..9842fb7156 100644
--- a/ydb/core/cms/cms_ut.cpp
+++ b/ydb/core/cms/cms_ut.cpp
@@ -145,28 +145,28 @@ Y_UNIT_TEST_SUITE(TCmsTest) {
 
     Y_UNIT_TEST(StateRequestNode)
     {
-        TCmsTestEnv env(8, TNodeTenantsMap{{1, {"user0"}}}); 
-
-        THashMap<ui32, TString> nodeIdxToServiceName = { 
-            {0, "storage"}, 
-            {1, "dynnode"}, 
-        }; 
-
-        for (const auto& [nodeIdx, serviceName] : nodeIdxToServiceName) { 
-            NKikimrCms::TClusterStateRequest request; 
-            request.AddHosts(ToString(env.GetNodeId(nodeIdx))); 
- 
-            auto state = env.RequestState(request); 
-            UNIT_ASSERT_VALUES_EQUAL(state.HostsSize(), 1); 
-            const auto &host = state.GetHosts(0); 
-            UNIT_ASSERT_VALUES_EQUAL(host.GetName(), "::1"); 
-            UNIT_ASSERT_VALUES_EQUAL(host.GetState(), UP); 
-            UNIT_ASSERT_VALUES_EQUAL(host.ServicesSize(), 1); 
-            const auto &service = host.GetServices(0); 
-            UNIT_ASSERT_VALUES_EQUAL(service.GetName(), serviceName); 
-            UNIT_ASSERT_VALUES_EQUAL(service.GetState(), UP); 
-            UNIT_ASSERT_VALUES_EQUAL(service.GetVersion(), ToString(GetProgramSvnRevision())); 
-        } 
+        TCmsTestEnv env(8, TNodeTenantsMap{{1, {"user0"}}});
+
+        THashMap<ui32, TString> nodeIdxToServiceName = {
+            {0, "storage"},
+            {1, "dynnode"},
+        };
+
+        for (const auto& [nodeIdx, serviceName] : nodeIdxToServiceName) {
+            NKikimrCms::TClusterStateRequest request;
+            request.AddHosts(ToString(env.GetNodeId(nodeIdx)));
+
+            auto state = env.RequestState(request);
+            UNIT_ASSERT_VALUES_EQUAL(state.HostsSize(), 1);
+            const auto &host = state.GetHosts(0);
+            UNIT_ASSERT_VALUES_EQUAL(host.GetName(), "::1");
+            UNIT_ASSERT_VALUES_EQUAL(host.GetState(), UP);
+            UNIT_ASSERT_VALUES_EQUAL(host.ServicesSize(), 1);
+            const auto &service = host.GetServices(0);
+            UNIT_ASSERT_VALUES_EQUAL(service.GetName(), serviceName);
+            UNIT_ASSERT_VALUES_EQUAL(service.GetState(), UP);
+            UNIT_ASSERT_VALUES_EQUAL(service.GetVersion(), ToString(GetProgramSvnRevision()));
+        }
     }
 
     Y_UNIT_TEST(StateRequestUnknownNode)
@@ -695,29 +695,29 @@ Y_UNIT_TEST_SUITE(TCmsTest) {
         env.CheckWalleListTasks(0);
     }
 
-    Y_UNIT_TEST(WalleTasksWithNodeLimit) 
-    { 
-        TCmsTestEnv env(24, 4); 
- 
-        // set limit 
-        NKikimrCms::TCmsConfig config; 
-        config.MutableClusterLimits()->SetDisabledNodesLimit(1); 
-        env.SetCmsConfig(config); 
- 
-        // ok 
-        env.CheckWalleCreateTask("task-1", "reboot", false, TStatus::ALLOW, env.GetNodeId(0)); 
-        // schedule 
-        env.CheckWalleCreateTask("task-2", "reboot", false, TStatus::DISALLOW_TEMP, env.GetNodeId(1)); 
-        // remove first task 
-        env.CheckWalleRemoveTask("task-1"); 
-        // ok for second task 
-        env.CheckWalleCheckTask("task-2", TStatus::ALLOW, env.GetNodeId(1)); 
- 
-        // check task is not removed 
-        env.AdvanceCurrentTime(TDuration::Minutes(20)); 
-        env.CheckWalleCheckTask("task-2", TStatus::ALLOW, env.GetNodeId(1)); 
-    } 
- 
+    Y_UNIT_TEST(WalleTasksWithNodeLimit)
+    {
+        TCmsTestEnv env(24, 4);
+
+        // set limit
+        NKikimrCms::TCmsConfig config;
+        config.MutableClusterLimits()->SetDisabledNodesLimit(1);
+        env.SetCmsConfig(config);
+
+        // ok
+        env.CheckWalleCreateTask("task-1", "reboot", false, TStatus::ALLOW, env.GetNodeId(0));
+        // schedule
+        env.CheckWalleCreateTask("task-2", "reboot", false, TStatus::DISALLOW_TEMP, env.GetNodeId(1));
+        // remove first task
+        env.CheckWalleRemoveTask("task-1");
+        // ok for second task
+        env.CheckWalleCheckTask("task-2", TStatus::ALLOW, env.GetNodeId(1));
+
+        // check task is not removed
+        env.AdvanceCurrentTime(TDuration::Minutes(20));
+        env.CheckWalleCheckTask("task-2", TStatus::ALLOW, env.GetNodeId(1));
+    }
+
     Y_UNIT_TEST(Notifications)
     {
         TCmsTestEnv env(8);
@@ -795,9 +795,9 @@ Y_UNIT_TEST_SUITE(TCmsTest) {
              MakeAction(TAction::REPLACE_DEVICES, env.GetNodeId(0), 60000000, env.PDiskName(1, 0)));
 
         // Intersects with notification.
-        const TDuration _10minutes = TDuration::Minutes(10); 
-        env.CheckPermissionRequest("user", false, true, true, true, _10minutes, TStatus::DISALLOW_TEMP, 
-                                   MakeAction(TAction::REPLACE_DEVICES, env.GetNodeId(0), _10minutes.MicroSeconds(), env.PDiskName(1, 0))); 
+        const TDuration _10minutes = TDuration::Minutes(10);
+        env.CheckPermissionRequest("user", false, true, true, true, _10minutes, TStatus::DISALLOW_TEMP,
+                                   MakeAction(TAction::REPLACE_DEVICES, env.GetNodeId(0), _10minutes.MicroSeconds(), env.PDiskName(1, 0)));
 
         // OK with default duration.
         env.CheckPermissionRequest("user", false, true, true, true, TStatus::ALLOW,
@@ -850,7 +850,7 @@ Y_UNIT_TEST_SUITE(TCmsTest) {
                                    MakeAction(TAction::RESTART_SERVICES, env.GetNodeId(0), 60000000, "storage"));
     }
 
-    void TestAvailabilityMode(EAvailabilityMode mode, bool disconnectNodes) 
+    void TestAvailabilityMode(EAvailabilityMode mode, bool disconnectNodes)
     {
         Y_VERIFY(mode == MODE_KEEP_AVAILABLE
                  || mode == MODE_FORCE_RESTART);
@@ -861,62 +861,62 @@ Y_UNIT_TEST_SUITE(TCmsTest) {
             (env.CheckPermissionRequest("user", false, false, false,
                                         true, mode, TStatus::ALLOW,
                                         MakeAction(TAction::SHUTDOWN_HOST, env.GetNodeId(0), 60000000)));
-        if (disconnectNodes) { 
-            TFakeNodeWhiteboardService::Info[env.GetNodeId(0)].Connected = false; 
-        } 
- 
+        if (disconnectNodes) {
+            TFakeNodeWhiteboardService::Info[env.GetNodeId(0)].Connected = false;
+        }
+
         env.CheckPermissionRequest("user", false, false, false,
-                                   true, mode, TStatus::ALLOW, 
+                                   true, mode, TStatus::ALLOW,
                                    MakeAction(TAction::SHUTDOWN_HOST, env.GetNodeId(1), 60000000));
-        if (disconnectNodes) { 
-            TFakeNodeWhiteboardService::Info[env.GetNodeId(1)].Connected = false; 
-        } 
-
-        env.CheckPermissionRequest("user", false, false, false, 
-                                   true, mode, mode == MODE_KEEP_AVAILABLE ? TStatus::DISALLOW_TEMP : TStatus::ALLOW, 
-                                   MakeAction(TAction::SHUTDOWN_HOST, env.GetNodeId(2), 60000000)); 
-        if (mode != MODE_KEEP_AVAILABLE) { 
-            return; 
-        } 
- 
+        if (disconnectNodes) {
+            TFakeNodeWhiteboardService::Info[env.GetNodeId(1)].Connected = false;
+        }
+
+        env.CheckPermissionRequest("user", false, false, false,
+                                   true, mode, mode == MODE_KEEP_AVAILABLE ? TStatus::DISALLOW_TEMP : TStatus::ALLOW,
+                                   MakeAction(TAction::SHUTDOWN_HOST, env.GetNodeId(2), 60000000));
+        if (mode != MODE_KEEP_AVAILABLE) {
+            return;
+        }
+
         env.CheckDonePermission("user", res1.second[0]);
 
         env.CheckPermissionRequest("user", false, false, false,
-                                   true, mode, disconnectNodes ? TStatus::DISALLOW_TEMP: TStatus::ALLOW, 
-                                   MakeAction(TAction::SHUTDOWN_HOST, env.GetNodeId(3), 60000000)); 
-        if (!disconnectNodes) { 
-            return; 
-        } 
+                                   true, mode, disconnectNodes ? TStatus::DISALLOW_TEMP: TStatus::ALLOW,
+                                   MakeAction(TAction::SHUTDOWN_HOST, env.GetNodeId(3), 60000000));
+        if (!disconnectNodes) {
+            return;
+        }
 
-        TFakeNodeWhiteboardService::Info[env.GetNodeId(0)].Connected = true; 
+        TFakeNodeWhiteboardService::Info[env.GetNodeId(0)].Connected = true;
 
         env.CheckPermissionRequest("user", false, false, false,
-                                   true, mode, TStatus::ALLOW, 
-                                   MakeAction(TAction::SHUTDOWN_HOST, env.GetNodeId(3), 60000000)); 
+                                   true, mode, TStatus::ALLOW,
+                                   MakeAction(TAction::SHUTDOWN_HOST, env.GetNodeId(3), 60000000));
     }
 
     Y_UNIT_TEST(TestKeepAvailableMode)
     {
-        TestAvailabilityMode(MODE_KEEP_AVAILABLE, false); 
+        TestAvailabilityMode(MODE_KEEP_AVAILABLE, false);
     }
 
     Y_UNIT_TEST(TestForceRestartMode)
     {
-        TestAvailabilityMode(MODE_FORCE_RESTART, false); 
+        TestAvailabilityMode(MODE_FORCE_RESTART, false);
     }
 
-    Y_UNIT_TEST(TestKeepAvailableModeDisconnects) 
+    Y_UNIT_TEST(TestKeepAvailableModeDisconnects)
+    {
+        TestAvailabilityMode(MODE_KEEP_AVAILABLE, true);
+    }
+
+    Y_UNIT_TEST(TestForceRestartModeDisconnects)
+    {
+        TestAvailabilityMode(MODE_FORCE_RESTART, true);
+    }
+
+    void TestAvailabilityModeScheduled(EAvailabilityMode mode,  bool disconnectNodes)
     {
-        TestAvailabilityMode(MODE_KEEP_AVAILABLE, true); 
-    } 
- 
-    Y_UNIT_TEST(TestForceRestartModeDisconnects) 
-    { 
-        TestAvailabilityMode(MODE_FORCE_RESTART, true); 
-    } 
- 
-    void TestAvailabilityModeScheduled(EAvailabilityMode mode,  bool disconnectNodes) 
-    { 
         Y_VERIFY(mode == MODE_KEEP_AVAILABLE
                  || mode == MODE_FORCE_RESTART);
 
@@ -928,56 +928,56 @@ Y_UNIT_TEST_SUITE(TCmsTest) {
                                         MakeAction(TAction::SHUTDOWN_HOST, env.GetNodeId(0), 60000000),
                                         MakeAction(TAction::SHUTDOWN_HOST, env.GetNodeId(1), 60000000),
                                         MakeAction(TAction::SHUTDOWN_HOST, env.GetNodeId(2), 60000000)));
-        if (disconnectNodes) { 
-            TFakeNodeWhiteboardService::Info[env.GetNodeId(0)].Connected = false; 
-        } 
-
-        env.CheckRequest("user", res1.first, false, mode, TStatus::ALLOW_PARTIAL, 1); 
-        if (disconnectNodes) { 
-            TFakeNodeWhiteboardService::Info[env.GetNodeId(1)].Connected = false; 
-        } 
-
-        env.CheckRequest("user", res1.first, false, mode, 
-                         mode == MODE_KEEP_AVAILABLE ? TStatus::DISALLOW_TEMP : TStatus::ALLOW, 
-                         mode == MODE_KEEP_AVAILABLE ? 0 : 1); 
-        if (mode != MODE_KEEP_AVAILABLE) { 
-            return; 
-        } 
-
-        env.CheckDonePermission("user", res1.second[0]); 
-
-        env.CheckRequest("user", res1.first, false, mode, 
-                         disconnectNodes ? TStatus::DISALLOW_TEMP : TStatus::ALLOW, 
-                         disconnectNodes ? 0 : 1); 
-        if (!disconnectNodes) { 
-            return; 
-        } 
-
-        TFakeNodeWhiteboardService::Info[env.GetNodeId(0)].Connected = true; 
-
-        env.CheckRequest("user", res1.first, false, mode, TStatus::ALLOW, 1); 
+        if (disconnectNodes) {
+            TFakeNodeWhiteboardService::Info[env.GetNodeId(0)].Connected = false;
+        }
+
+        env.CheckRequest("user", res1.first, false, mode, TStatus::ALLOW_PARTIAL, 1);
+        if (disconnectNodes) {
+            TFakeNodeWhiteboardService::Info[env.GetNodeId(1)].Connected = false;
+        }
+
+        env.CheckRequest("user", res1.first, false, mode,
+                         mode == MODE_KEEP_AVAILABLE ? TStatus::DISALLOW_TEMP : TStatus::ALLOW,
+                         mode == MODE_KEEP_AVAILABLE ? 0 : 1);
+        if (mode != MODE_KEEP_AVAILABLE) {
+            return;
+        }
+
+        env.CheckDonePermission("user", res1.second[0]);
+
+        env.CheckRequest("user", res1.first, false, mode,
+                         disconnectNodes ? TStatus::DISALLOW_TEMP : TStatus::ALLOW,
+                         disconnectNodes ? 0 : 1);
+        if (!disconnectNodes) {
+            return;
+        }
+
+        TFakeNodeWhiteboardService::Info[env.GetNodeId(0)].Connected = true;
+
+        env.CheckRequest("user", res1.first, false, mode, TStatus::ALLOW, 1);
     }
 
     Y_UNIT_TEST(TestKeepAvailableModeScheduled)
     {
-        TestAvailabilityModeScheduled(MODE_KEEP_AVAILABLE, false); 
+        TestAvailabilityModeScheduled(MODE_KEEP_AVAILABLE, false);
     }
 
     Y_UNIT_TEST(TestForceRestartModeScheduled)
     {
-        TestAvailabilityModeScheduled(MODE_FORCE_RESTART, false); 
+        TestAvailabilityModeScheduled(MODE_FORCE_RESTART, false);
+    }
+
+    Y_UNIT_TEST(TestKeepAvailableModeScheduledDisconnects)
+    {
+        TestAvailabilityModeScheduled(MODE_KEEP_AVAILABLE, true);
+    }
+
+    Y_UNIT_TEST(TestForceRestartModeScheduledDisconnects)
+    {
+        TestAvailabilityModeScheduled(MODE_FORCE_RESTART, true);
     }
 
-    Y_UNIT_TEST(TestKeepAvailableModeScheduledDisconnects) 
-    { 
-        TestAvailabilityModeScheduled(MODE_KEEP_AVAILABLE, true); 
-    } 
- 
-    Y_UNIT_TEST(TestForceRestartModeScheduledDisconnects) 
-    { 
-        TestAvailabilityModeScheduled(MODE_FORCE_RESTART, true); 
-    } 
- 
     Y_UNIT_TEST(TestOutdatedState)
     {
         TCmsTestEnv env(8);
@@ -1007,14 +1007,14 @@ Y_UNIT_TEST_SUITE(TCmsTest) {
     {
         TCmsTestEnv env(8, 4);
 
-        env.CheckSetMarker(MARKER_DISK_BROKEN, "", TStatus::ERROR, 
+        env.CheckSetMarker(MARKER_DISK_BROKEN, "", TStatus::ERROR,
                            "::1",
                            env.PDiskId(0, 0),
                            env.PDiskId(1, 1),
                            env.PDiskId(2, 2),
                            env.PDiskId(3, 3));
 
-        env.CheckResetMarker(MARKER_DISK_BROKEN, "", TStatus::ERROR, 
+        env.CheckResetMarker(MARKER_DISK_BROKEN, "", TStatus::ERROR,
                              "::1",
                              env.PDiskId(0, 0),
                              env.PDiskId(1, 1));
diff --git a/ydb/core/cms/cms_ut_common.cpp b/ydb/core/cms/cms_ut_common.cpp
index bc2bc6233d..b458fe672c 100644
--- a/ydb/core/cms/cms_ut_common.cpp
+++ b/ydb/core/cms/cms_ut_common.cpp
@@ -54,7 +54,7 @@ void TFakeNodeWhiteboardService::Handle(TEvBlobStorage::TEvControllerConfigReque
         driveStatus.SetStatus(NKikimrBlobStorage::ACTIVE);
     } else if (rec.GetRequest().CommandSize() && rec.GetRequest().GetCommand(0).HasUpdateDriveStatus()) {
         resp->Record.MutableResponse()->AddStatus()->SetSuccess(true);
-        resp->Record.MutableResponse()->SetSuccess(true); 
+        resp->Record.MutableResponse()->SetSuccess(true);
     }
     ctx.Send(ev->Sender, resp, 0, ev->Cookie);
 }
@@ -212,7 +212,7 @@ public:
 };
 
 void GenerateExtendedInfo(TTestActorRuntime &runtime, NKikimrBlobStorage::TBaseConfig *config,
-        ui32 pdisks, ui32 vdiskPerPdisk = 4, const TNodeTenantsMap &tenants = {}) 
+        ui32 pdisks, ui32 vdiskPerPdisk = 4, const TNodeTenantsMap &tenants = {})
 {
     TGuard<TMutex> guard(TFakeNodeWhiteboardService::Mutex);
     ui32 numNodes = runtime.GetNodeCount();
@@ -244,17 +244,17 @@ void GenerateExtendedInfo(TTestActorRuntime &runtime, NKikimrBlobStorage::TBaseC
         node.SystemStateInfo.SetStartTime(now.GetValue());
         node.SystemStateInfo.SetChangeTime(now.GetValue());
 
-        if (tenants.contains(nodeIndex)) { 
-            node.SystemStateInfo.AddRoles("Tenant"); 
-            continue; 
-        } else { 
-            node.SystemStateInfo.AddRoles("Storage"); 
-        } 
- 
-        ui32 groupShift = (nodeIndex / 8) * pdisks * vdiskPerPdisk; 
-        if (numNodes < 8) 
-            groupShift = nodeIndex * numNodeGroups; 
- 
+        if (tenants.contains(nodeIndex)) {
+            node.SystemStateInfo.AddRoles("Tenant");
+            continue;
+        } else {
+            node.SystemStateInfo.AddRoles("Storage");
+        }
+
+        ui32 groupShift = (nodeIndex / 8) * pdisks * vdiskPerPdisk;
+        if (numNodes < 8)
+            groupShift = nodeIndex * numNodeGroups;
+
         for (ui32 pdiskIndex = 0; pdiskIndex < pdisks; ++pdiskIndex) {
             auto pdiskId = nodeId * pdisks + pdiskIndex;
             auto &pdisk = node.PDiskStateInfo[pdiskId];
@@ -272,7 +272,7 @@ void GenerateExtendedInfo(TTestActorRuntime &runtime, NKikimrBlobStorage::TBaseC
             pdiskConfig.SetPDiskId(pdiskId);
             pdiskConfig.SetPath("/pdisk.data");
             pdiskConfig.SetGuid(1);
-            pdiskConfig.SetDriveStatus(NKikimrBlobStorage::ACTIVE); 
+            pdiskConfig.SetDriveStatus(NKikimrBlobStorage::ACTIVE);
 
             for (ui8 vdiskIndex = 0; vdiskIndex < vdiskPerPdisk; ++vdiskIndex) {
                 ui32 vdiskId = pdiskIndex * vdiskPerPdisk + vdiskIndex;
@@ -416,11 +416,11 @@ static void SetupServices(TTestActorRuntime &runtime,
 
     runtime.Initialize(app.Unwrap());
 
-    auto dnsConfig = new TDynamicNameserviceConfig(); 
-    dnsConfig->MaxStaticNodeId = 1000; 
-    dnsConfig->MaxDynamicNodeId = 2000; 
-    runtime.GetAppData().DynamicNameserviceConfig = dnsConfig; 
- 
+    auto dnsConfig = new TDynamicNameserviceConfig();
+    dnsConfig->MaxStaticNodeId = 1000;
+    dnsConfig->MaxDynamicNodeId = 2000;
+    runtime.GetAppData().DynamicNameserviceConfig = dnsConfig;
+
     if (!runtime.IsRealThreads()) {
         TDispatchOptions options;
         options.FinalEvents.push_back(TDispatchOptions::TFinalEventCondition(TEvBlobStorage::EvLocalRecoveryDone,
@@ -449,7 +449,7 @@ TCmsTestEnv::TCmsTestEnv(ui32 nodeCount,
     status.SetSuccess(true);
     auto *config = status.MutableBaseConfig();
 
-    GenerateExtendedInfo(*this, config, pdisks, 4, tenants); 
+    GenerateExtendedInfo(*this, config, pdisks, 4, tenants);
 
     // Set observer to pass fake base blobstorage config.
     auto redirectConfigRequest = [](TTestActorRuntimeBase&,
@@ -479,7 +479,7 @@ TCmsTestEnv::TCmsTestEnv(ui32 nodeCount,
 
 TCmsTestEnv::TCmsTestEnv(ui32 nodeCount,
                          const TNodeTenantsMap &tenants)
-    : TCmsTestEnv(nodeCount, 0, tenants) 
+    : TCmsTestEnv(nodeCount, 0, tenants)
 {
 }
 
diff --git a/ydb/core/cms/config.h b/ydb/core/cms/config.h
index a3d013c7f1..471880e34f 100644
--- a/ydb/core/cms/config.h
+++ b/ydb/core/cms/config.h
@@ -1,120 +1,120 @@
 #pragma once
 
-#include "pdisk_state.h" 
- 
+#include "pdisk_state.h"
+
 #include <ydb/core/protos/cms.pb.h>
 
 #include <util/datetime/base.h>
 #include <util/generic/hash.h>
-#include <util/generic/map.h> 
+#include <util/generic/map.h>
 
 namespace NKikimr {
 namespace NCms {
 
-struct TCmsSentinelConfig { 
-    bool Enable = false; 
-    bool DryRun = false; 
- 
-    TDuration UpdateConfigInterval; 
-    TDuration RetryUpdateConfig; 
- 
-    TDuration UpdateStateInterval; 
-    TDuration UpdateStateTimeout; 
- 
-    TDuration RetryChangeStatus; 
-    ui32 ChangeStatusRetries; 
- 
-    ui32 DefaultStateLimit; 
-    TMap<EPDiskState, ui32> StateLimits; 
- 
-    ui32 DataCenterRatio; 
-    ui32 RoomRatio; 
-    ui32 RackRatio; 
- 
-    void Serialize(NKikimrCms::TCmsConfig::TSentinelConfig &config) const 
-    { 
-        config.SetEnable(Enable); 
-        config.SetDryRun(DryRun); 
-        config.SetUpdateConfigInterval(UpdateConfigInterval.GetValue()); 
-        config.SetRetryUpdateConfig(RetryUpdateConfig.GetValue()); 
-        config.SetUpdateStateInterval(UpdateStateInterval.GetValue()); 
-        config.SetUpdateStateTimeout(UpdateStateTimeout.GetValue()); 
-        config.SetRetryChangeStatus(RetryChangeStatus.GetValue()); 
-        config.SetChangeStatusRetries(ChangeStatusRetries); 
-        config.SetDefaultStateLimit(DefaultStateLimit); 
-        config.SetDataCenterRatio(DataCenterRatio); 
-        config.SetRoomRatio(RoomRatio); 
-        config.SetRackRatio(RackRatio); 
- 
-        SaveStateLimits(config); 
-    } 
- 
-    void Deserialize(const NKikimrCms::TCmsConfig::TSentinelConfig &config) 
-    { 
-        Enable = config.GetEnable(); 
-        DryRun = config.GetDryRun(); 
-        UpdateConfigInterval = TDuration::MicroSeconds(config.GetUpdateConfigInterval()); 
-        RetryUpdateConfig = TDuration::MicroSeconds(config.GetRetryUpdateConfig()); 
-        UpdateStateInterval = TDuration::MicroSeconds(config.GetUpdateStateInterval()); 
-        UpdateStateTimeout = TDuration::MicroSeconds(config.GetUpdateStateTimeout()); 
-        RetryChangeStatus = TDuration::MicroSeconds(config.GetRetryChangeStatus()); 
-        ChangeStatusRetries = config.GetChangeStatusRetries(); 
-        DefaultStateLimit = config.GetDefaultStateLimit(); 
-        DataCenterRatio = config.GetDataCenterRatio(); 
-        RoomRatio = config.GetRoomRatio(); 
-        RackRatio = config.GetRackRatio(); 
- 
-        auto newStateLimits = LoadStateLimits(config); 
-        StateLimits.swap(newStateLimits); 
-    } 
- 
-    void SaveStateLimits(NKikimrCms::TCmsConfig::TSentinelConfig &config) const 
-    { 
-        auto defaultStateLimits = DefaultStateLimits(); 
-        bool differsFromDefault = false; 
- 
-        if (defaultStateLimits.size() != StateLimits.size()) { 
-            differsFromDefault = true; 
-        } else { 
-            for (const auto& [state, limit] : defaultStateLimits) { 
-                auto it = StateLimits.find(state); 
-                if (it == StateLimits.end() || limit != it->second) { 
-                    differsFromDefault = true; 
-                    break; 
-                } 
-            } 
-        } 
- 
-        if (!differsFromDefault) { 
-            return; 
-        } 
- 
-        for (const auto& [state, limit] : StateLimits) { 
-            auto& stateLimit = *config.AddStateLimits(); 
-            stateLimit.SetState(static_cast<ui32>(state)); 
-            stateLimit.SetLimit(limit); 
-        } 
-    } 
- 
-    static TMap<EPDiskState, ui32> LoadStateLimits(const NKikimrCms::TCmsConfig::TSentinelConfig &config) 
-    { 
-        TMap<EPDiskState, ui32> stateLimits; 
- 
-        for (const auto &val : config.GetStateLimits()) { 
-            stateLimits[static_cast<EPDiskState>(val.GetState())] = val.GetLimit(); 
-        } 
- 
-        if (stateLimits) { 
-            return stateLimits; 
-        } 
- 
-        return DefaultStateLimits(); 
-    } 
- 
-    static TMap<EPDiskState, ui32> DefaultStateLimits() 
-    { 
-        TMap<EPDiskState, ui32> stateLimits; 
-        // error states 
+struct TCmsSentinelConfig {
+    bool Enable = false;
+    bool DryRun = false;
+
+    TDuration UpdateConfigInterval;
+    TDuration RetryUpdateConfig;
+
+    TDuration UpdateStateInterval;
+    TDuration UpdateStateTimeout;
+
+    TDuration RetryChangeStatus;
+    ui32 ChangeStatusRetries;
+
+    ui32 DefaultStateLimit;
+    TMap<EPDiskState, ui32> StateLimits;
+
+    ui32 DataCenterRatio;
+    ui32 RoomRatio;
+    ui32 RackRatio;
+
+    void Serialize(NKikimrCms::TCmsConfig::TSentinelConfig &config) const
+    {
+        config.SetEnable(Enable);
+        config.SetDryRun(DryRun);
+        config.SetUpdateConfigInterval(UpdateConfigInterval.GetValue());
+        config.SetRetryUpdateConfig(RetryUpdateConfig.GetValue());
+        config.SetUpdateStateInterval(UpdateStateInterval.GetValue());
+        config.SetUpdateStateTimeout(UpdateStateTimeout.GetValue());
+        config.SetRetryChangeStatus(RetryChangeStatus.GetValue());
+        config.SetChangeStatusRetries(ChangeStatusRetries);
+        config.SetDefaultStateLimit(DefaultStateLimit);
+        config.SetDataCenterRatio(DataCenterRatio);
+        config.SetRoomRatio(RoomRatio);
+        config.SetRackRatio(RackRatio);
+
+        SaveStateLimits(config);
+    }
+
+    void Deserialize(const NKikimrCms::TCmsConfig::TSentinelConfig &config)
+    {
+        Enable = config.GetEnable();
+        DryRun = config.GetDryRun();
+        UpdateConfigInterval = TDuration::MicroSeconds(config.GetUpdateConfigInterval());
+        RetryUpdateConfig = TDuration::MicroSeconds(config.GetRetryUpdateConfig());
+        UpdateStateInterval = TDuration::MicroSeconds(config.GetUpdateStateInterval());
+        UpdateStateTimeout = TDuration::MicroSeconds(config.GetUpdateStateTimeout());
+        RetryChangeStatus = TDuration::MicroSeconds(config.GetRetryChangeStatus());
+        ChangeStatusRetries = config.GetChangeStatusRetries();
+        DefaultStateLimit = config.GetDefaultStateLimit();
+        DataCenterRatio = config.GetDataCenterRatio();
+        RoomRatio = config.GetRoomRatio();
+        RackRatio = config.GetRackRatio();
+
+        auto newStateLimits = LoadStateLimits(config);
+        StateLimits.swap(newStateLimits);
+    }
+
+    void SaveStateLimits(NKikimrCms::TCmsConfig::TSentinelConfig &config) const
+    {
+        auto defaultStateLimits = DefaultStateLimits();
+        bool differsFromDefault = false;
+
+        if (defaultStateLimits.size() != StateLimits.size()) {
+            differsFromDefault = true;
+        } else {
+            for (const auto& [state, limit] : defaultStateLimits) {
+                auto it = StateLimits.find(state);
+                if (it == StateLimits.end() || limit != it->second) {
+                    differsFromDefault = true;
+                    break;
+                }
+            }
+        }
+
+        if (!differsFromDefault) {
+            return;
+        }
+
+        for (const auto& [state, limit] : StateLimits) {
+            auto& stateLimit = *config.AddStateLimits();
+            stateLimit.SetState(static_cast<ui32>(state));
+            stateLimit.SetLimit(limit);
+        }
+    }
+
+    static TMap<EPDiskState, ui32> LoadStateLimits(const NKikimrCms::TCmsConfig::TSentinelConfig &config)
+    {
+        TMap<EPDiskState, ui32> stateLimits;
+
+        for (const auto &val : config.GetStateLimits()) {
+            stateLimits[static_cast<EPDiskState>(val.GetState())] = val.GetLimit();
+        }
+
+        if (stateLimits) {
+            return stateLimits;
+        }
+
+        return DefaultStateLimits();
+    }
+
+    static TMap<EPDiskState, ui32> DefaultStateLimits()
+    {
+        TMap<EPDiskState, ui32> stateLimits;
+        // error states
         stateLimits[NKikimrBlobStorage::TPDiskState::InitialFormatReadError] = 60;
         stateLimits[NKikimrBlobStorage::TPDiskState::InitialSysLogReadError] = 60;
         stateLimits[NKikimrBlobStorage::TPDiskState::InitialSysLogParseError] = 60;
@@ -124,19 +124,19 @@ struct TCmsSentinelConfig {
         stateLimits[NKikimrBlobStorage::TPDiskState::OpenFileError] = 60;
         stateLimits[NKikimrBlobStorage::TPDiskState::ChunkQuotaError] = 60;
         stateLimits[NKikimrBlobStorage::TPDiskState::DeviceIoError] = 60;
-        // node online, pdisk missing 
+        // node online, pdisk missing
         stateLimits[NKikimrBlobStorage::TPDiskState::Missing] = 60;
-        // node timeout 
+        // node timeout
         stateLimits[NKikimrBlobStorage::TPDiskState::Timeout] = 60;
-        // node offline 
+        // node offline
         stateLimits[NKikimrBlobStorage::TPDiskState::NodeDisconnected] = 60;
-        // disable for unknown states 
+        // disable for unknown states
         stateLimits[NKikimrBlobStorage::TPDiskState::Unknown] = 0;
- 
-        return stateLimits; 
-    } 
-}; 
- 
+
+        return stateLimits;
+    }
+};
+
 struct TCmsLogConfig {
     THashMap<ui32, bool> RecordLevels;
     bool EnabledByDefault = true;
@@ -185,7 +185,7 @@ struct TCmsConfig {
     TDuration InfoCollectionTimeout;
     NKikimrCms::TLimits TenantLimits;
     NKikimrCms::TLimits ClusterLimits;
-    TCmsSentinelConfig SentinelConfig; 
+    TCmsSentinelConfig SentinelConfig;
     TCmsLogConfig LogConfig;
 
     TCmsConfig()
@@ -202,10 +202,10 @@ struct TCmsConfig {
     {
         config.SetDefaultRetryTime(DefaultRetryTime.GetValue());
         config.SetDefaultPermissionDuration(DefaultPermissionDuration.GetValue());
-        config.SetInfoCollectionTimeout(InfoCollectionTimeout.GetValue()); 
+        config.SetInfoCollectionTimeout(InfoCollectionTimeout.GetValue());
         config.MutableTenantLimits()->CopyFrom(TenantLimits);
         config.MutableClusterLimits()->CopyFrom(ClusterLimits);
-        SentinelConfig.Serialize(*config.MutableSentinelConfig()); 
+        SentinelConfig.Serialize(*config.MutableSentinelConfig());
         LogConfig.Serialize(*config.MutableLogConfig());
     }
 
@@ -213,10 +213,10 @@ struct TCmsConfig {
     {
         DefaultRetryTime = TDuration::MicroSeconds(config.GetDefaultRetryTime());
         DefaultPermissionDuration = TDuration::MicroSeconds(config.GetDefaultPermissionDuration());
-        InfoCollectionTimeout = TDuration::MicroSeconds(config.GetInfoCollectionTimeout()); 
+        InfoCollectionTimeout = TDuration::MicroSeconds(config.GetInfoCollectionTimeout());
         TenantLimits.CopyFrom(config.GetTenantLimits());
         ClusterLimits.CopyFrom(config.GetClusterLimits());
-        SentinelConfig.Deserialize(config.GetSentinelConfig()); 
+        SentinelConfig.Deserialize(config.GetSentinelConfig());
         LogConfig.Deserialize(config.GetLogConfig());
     }
 
diff --git a/ydb/core/cms/console/configs_dispatcher_ut.cpp b/ydb/core/cms/console/configs_dispatcher_ut.cpp
index 52934463d8..997d1ba451 100644
--- a/ydb/core/cms/console/configs_dispatcher_ut.cpp
+++ b/ydb/core/cms/console/configs_dispatcher_ut.cpp
@@ -67,15 +67,15 @@ TActorId InitConfigsDispatcher(TTenantTestRuntime &runtime)
                          NKikimrConfig::TAppConfig(), {}, {}, "", "", 2,
                          NKikimrConsole::TConfigItem::MERGE, "");
 
-    CheckCreateTenant(runtime, Ydb::StatusIds::SUCCESS, 
-        TCreateTenantRequest(TENANT1_1_NAME) 
-            .WithPools({{"hdd", 1}})); 
+    CheckCreateTenant(runtime, Ydb::StatusIds::SUCCESS,
+        TCreateTenantRequest(TENANT1_1_NAME)
+            .WithPools({{"hdd", 1}}));
     CheckTenantStatus(runtime, TENANT1_1_NAME, Ydb::StatusIds::SUCCESS,
                       Ydb::Cms::GetDatabaseStatusResult::PENDING_RESOURCES,
                       {{"hdd", 1, 1}}, {});
-    CheckCreateTenant(runtime, Ydb::StatusIds::SUCCESS, 
-        TCreateTenantRequest(TENANT1_2_NAME) 
-            .WithPools({{"hdd", 1}})); 
+    CheckCreateTenant(runtime, Ydb::StatusIds::SUCCESS,
+        TCreateTenantRequest(TENANT1_2_NAME)
+            .WithPools({{"hdd", 1}}));
     CheckTenantStatus(runtime, TENANT1_2_NAME, Ydb::StatusIds::SUCCESS,
                       Ydb::Cms::GetDatabaseStatusResult::PENDING_RESOURCES,
                       {{"hdd", 1, 1}}, {});
diff --git a/ydb/core/cms/console/console__alter_tenant.cpp b/ydb/core/cms/console/console__alter_tenant.cpp
index b24ee5fb68..dc44c25082 100644
--- a/ydb/core/cms/console/console__alter_tenant.cpp
+++ b/ydb/core/cms/console/console__alter_tenant.cpp
@@ -119,12 +119,12 @@ public:
         // Check added storage resource units.
         ui64 newGroups = 0;
         for (auto &unit : rec.storage_units_to_add()) {
-            auto &kind = unit.unit_kind(); 
- 
-            if (Tenant->AreResourcesShared && !Tenant->StoragePools.contains(kind)) 
-                return Error(Ydb::StatusIds::UNSUPPORTED, 
-                            Sprintf("Database '%s' is shared, cannot add new storage units", path.data()), ctx); 
- 
+            auto &kind = unit.unit_kind();
+
+            if (Tenant->AreResourcesShared && !Tenant->StoragePools.contains(kind))
+                return Error(Ydb::StatusIds::UNSUPPORTED,
+                            Sprintf("Database '%s' is shared, cannot add new storage units", path.data()), ctx);
+
             if (Tenant->SharedDomainId)
                 return Error(Ydb::StatusIds::BAD_REQUEST,
                             Sprintf("Database '%s' is serverless, cannot add storage units", path.data()), ctx);
@@ -239,7 +239,7 @@ public:
                 pool->AddRequiredGroups(size);
                 pool->State = TStoragePool::NOT_UPDATED;
             } else {
-                Y_VERIFY(!Tenant->AreResourcesShared); 
+                Y_VERIFY(!Tenant->AreResourcesShared);
                 pool = Self->MakeStoragePool(Tenant, kind, size);
             }
 
diff --git a/ydb/core/cms/console/console__configure.cpp b/ydb/core/cms/console/console__configure.cpp
index 74de0b4429..f28417e760 100644
--- a/ydb/core/cms/console/console__configure.cpp
+++ b/ydb/core/cms/console/console__configure.cpp
@@ -405,25 +405,25 @@ public:
         return true;
     }
 
-    TDynBitMap GetAffectedKinds(const ::google::protobuf::RepeatedPtrField<NKikimrConsole::TConfigureAction>& actions) { 
-        TDynBitMap kinds; 
- 
-        for (auto &action : actions) { 
-            switch (action.GetActionCase()) { 
-            case NKikimrConsole::TConfigureAction::kAddConfigItem: 
-                kinds.Set(action.GetAddConfigItem().GetConfigItem().GetKind()); 
-                break; 
-            case NKikimrConsole::TConfigureAction::kModifyConfigItem: 
-                kinds.Set(action.GetModifyConfigItem().GetConfigItem().GetKind()); 
-                break; 
-            default: 
-                return TDynBitMap(); 
-            } 
-        } 
- 
-        return kinds; 
-    } 
- 
+    TDynBitMap GetAffectedKinds(const ::google::protobuf::RepeatedPtrField<NKikimrConsole::TConfigureAction>& actions) {
+        TDynBitMap kinds;
+
+        for (auto &action : actions) {
+            switch (action.GetActionCase()) {
+            case NKikimrConsole::TConfigureAction::kAddConfigItem:
+                kinds.Set(action.GetAddConfigItem().GetConfigItem().GetKind());
+                break;
+            case NKikimrConsole::TConfigureAction::kModifyConfigItem:
+                kinds.Set(action.GetModifyConfigItem().GetConfigItem().GetKind());
+                break;
+            default:
+                return TDynBitMap();
+            }
+        }
+
+        return kinds;
+    }
+
     bool ProcessAutoOrdering(const TActorContext &ctx)
     {
         for (auto &item : OrderingQueue)
@@ -492,7 +492,7 @@ public:
         TModificationsValidator affectedChecker(Self->ConfigIndex,
                                                 Self->PendingConfigModifications,
                                                 config);
-        auto affected = affectedChecker.ComputeAffectedConfigs(GetAffectedKinds(rec.GetActions()), false); 
+        auto affected = affectedChecker.ComputeAffectedConfigs(GetAffectedKinds(rec.GetActions()), false);
         LOG_DEBUG_S(ctx, NKikimrServices::CMS_CONFIGS,
                     "affected.size() = " << affected.size());
         for (auto &item : affected) {
diff --git a/ydb/core/cms/console/console__create_tenant.cpp b/ydb/core/cms/console/console__create_tenant.cpp
index ddd2783eab..77d8166d54 100644
--- a/ydb/core/cms/console/console__create_tenant.cpp
+++ b/ydb/core/cms/console/console__create_tenant.cpp
@@ -3,20 +3,20 @@
 namespace NKikimr {
 namespace NConsole {
 
-using namespace NOperationId; 
+using namespace NOperationId;
 
 class TTenantsManager::TTxCreateTenant : public TTransactionBase<TTenantsManager> {
-    static const Ydb::Cms::Resources& GetResources(const Ydb::Cms::CreateDatabaseRequest& request) { 
-        switch (request.resources_kind_case()) { 
-        case Ydb::Cms::CreateDatabaseRequest::kResources: 
-            return request.resources(); 
-        case Ydb::Cms::CreateDatabaseRequest::kSharedResources: 
-            return request.shared_resources(); 
-        default: 
-            Y_FAIL_S("There is no resources: " << static_cast<ui32>(request.resources_kind_case())); 
-        } 
-    } 
- 
+    static const Ydb::Cms::Resources& GetResources(const Ydb::Cms::CreateDatabaseRequest& request) {
+        switch (request.resources_kind_case()) {
+        case Ydb::Cms::CreateDatabaseRequest::kResources:
+            return request.resources();
+        case Ydb::Cms::CreateDatabaseRequest::kSharedResources:
+            return request.shared_resources();
+        default:
+            Y_FAIL_S("There is no resources: " << static_cast<ui32>(request.resources_kind_case()));
+        }
+    }
+
 public:
     TTxCreateTenant(TEvConsole::TEvCreateTenantRequest::TPtr ev, TTenantsManager *self)
         : TBase(self)
@@ -79,17 +79,17 @@ public:
             return Error(Ydb::StatusIds::BAD_REQUEST, error, ctx);
         path = CanonizePath(path);
 
-        if (auto tenant = Self->GetTenant(path)) { 
+        if (auto tenant = Self->GetTenant(path)) {
             if (rec.idempotency_key() && tenant->CreateIdempotencyKey == rec.idempotency_key()) {
                 return Pending(tenant);
             } else if (tenant->IsRemoving()) {
-                return Error(Ydb::StatusIds::PRECONDITION_FAILED, 
-                             Sprintf("Database '%s' is removing", path.data()), ctx); 
-            } else { 
-                return Error(Ydb::StatusIds::ALREADY_EXISTS, 
-                             Sprintf("Database '%s' already exists", path.data()), ctx); 
-            } 
-        } 
+                return Error(Ydb::StatusIds::PRECONDITION_FAILED,
+                             Sprintf("Database '%s' is removing", path.data()), ctx);
+            } else {
+                return Error(Ydb::StatusIds::ALREADY_EXISTS,
+                             Sprintf("Database '%s' already exists", path.data()), ctx);
+            }
+        }
 
         if (auto it = Self->RemovedTenants.find(path); it != Self->RemovedTenants.end()) {
             if (rec.idempotency_key() && it->second.CreateIdempotencyKey == rec.idempotency_key()) {
@@ -123,7 +123,7 @@ public:
         }
 
         Tenant = new TTenant(path, TTenant::CREATING_POOLS, token);
- 
+
         Tenant->IsExternalSubdomain = Self->FeatureFlags.GetEnableExternalSubdomains();
         Tenant->IsExternalHive = Self->FeatureFlags.GetEnableExternalHive();
         Tenant->IsExternalSysViewProcessor = Self->FeatureFlags.GetEnablePersistentQueryStats();
@@ -145,118 +145,118 @@ public:
             Tenant->IsExternalHive = false;
             Tenant->IsExternalSysViewProcessor = false;
         }
- 
+
         Tenant->IsExternalHive &= Tenant->IsExternalSubdomain; // external hive without external sub domain is pointless
         Tenant->IsExternalSysViewProcessor &= Tenant->IsExternalSubdomain;
- 
+
         Tenant->StorageUnitsQuota = Self->Config.DefaultStorageUnitsQuota;
         Tenant->ComputationalUnitsQuota = Self->Config.DefaultComputationalUnitsQuota;
- 
+
         for (const auto& [key, value] : rec.attributes()) {
             auto &r = *Tenant->Attributes.AddUserAttributes();
             r.SetKey(key);
             r.SetValue(value);
         }
 
-        switch (rec.resources_kind_case()) { 
-        case Ydb::Cms::CreateDatabaseRequest::kSharedResources: 
-            if (rec.options().disable_tx_service()) { 
-                return Error(Ydb::StatusIds::BAD_REQUEST, 
-                    "Cannot create shared database with no tx service enabled", ctx); 
-            } 
+        switch (rec.resources_kind_case()) {
+        case Ydb::Cms::CreateDatabaseRequest::kSharedResources:
+            if (rec.options().disable_tx_service()) {
+                return Error(Ydb::StatusIds::BAD_REQUEST,
+                    "Cannot create shared database with no tx service enabled", ctx);
+            }
 
-            Tenant->AreResourcesShared = true; 
+            Tenant->AreResourcesShared = true;
             // fallthrough to normal resources handling
             [[fallthrough]];
 
-        case Ydb::Cms::CreateDatabaseRequest::kResources: 
-            for (auto &unit : GetResources(rec).storage_units()) { 
-                auto &kind = unit.unit_kind(); 
-                auto size = unit.count(); 
- 
-                if (Tenant->StoragePools.contains(kind)) { 
-                    auto pool = Tenant->StoragePools.at(kind); 
-                    pool->AddRequiredGroups(size); 
-                } else { 
-                    if (!Self->MakeBasicPoolCheck(kind, size, code, error)) 
-                        return Error(code, error, ctx); 
- 
-                    auto poolName = Tenant->MakeStoragePoolName(kind); 
-                    auto &config = Self->Domain->StoragePoolTypes.at(kind); 
-                    TStoragePool::TPtr pool = new TStoragePool(poolName, kind, size, config); 
-                    Tenant->StoragePools.emplace(std::make_pair(kind, pool)); 
-                } 
+        case Ydb::Cms::CreateDatabaseRequest::kResources:
+            for (auto &unit : GetResources(rec).storage_units()) {
+                auto &kind = unit.unit_kind();
+                auto size = unit.count();
+
+                if (Tenant->StoragePools.contains(kind)) {
+                    auto pool = Tenant->StoragePools.at(kind);
+                    pool->AddRequiredGroups(size);
+                } else {
+                    if (!Self->MakeBasicPoolCheck(kind, size, code, error))
+                        return Error(code, error, ctx);
+
+                    auto poolName = Tenant->MakeStoragePoolName(kind);
+                    auto &config = Self->Domain->StoragePoolTypes.at(kind);
+                    TStoragePool::TPtr pool = new TStoragePool(poolName, kind, size, config);
+                    Tenant->StoragePools.emplace(std::make_pair(kind, pool));
+                }
             }
 
-            if (Tenant->StoragePools.empty()) 
-                return Error(Ydb::StatusIds::BAD_REQUEST, 
-                             "No storage units specified.", ctx); 
-
-            for (auto &unit : GetResources(rec).computational_units()) { 
-                auto &kind = unit.unit_kind(); 
-                auto &zone = unit.availability_zone(); 
-                ui64 count = unit.count(); 
-
-                if (!Self->MakeBasicComputationalUnitCheck(kind, zone, code, error)) 
-                    return Error(code, error, ctx); 
- 
-                Tenant->ComputationalUnits[std::make_pair(kind, zone)] += count; 
-            } 
- 
-            // Check tenant quotas. 
-            if (!Tenant->CheckQuota(code, error)) 
+            if (Tenant->StoragePools.empty())
+                return Error(Ydb::StatusIds::BAD_REQUEST,
+                             "No storage units specified.", ctx);
+
+            for (auto &unit : GetResources(rec).computational_units()) {
+                auto &kind = unit.unit_kind();
+                auto &zone = unit.availability_zone();
+                ui64 count = unit.count();
+
+                if (!Self->MakeBasicComputationalUnitCheck(kind, zone, code, error))
+                    return Error(code, error, ctx);
+
+                Tenant->ComputationalUnits[std::make_pair(kind, zone)] += count;
+            }
+
+            // Check tenant quotas.
+            if (!Tenant->CheckQuota(code, error))
+                return Error(code, error, ctx);
+
+            // Check cluster quotas.
+            if (!Self->CheckComputationalUnitsQuota(Tenant->ComputationalUnits, code, error))
                 return Error(code, error, ctx);
 
-            // Check cluster quotas. 
-            if (!Self->CheckComputationalUnitsQuota(Tenant->ComputationalUnits, code, error)) 
-                return Error(code, error, ctx); 
-
-            Tenant->ParseComputationalUnits(Self->Config); 
-            break; 
-
-        case Ydb::Cms::CreateDatabaseRequest::kServerlessResources: 
-            if (!Tenant->IsExternalSubdomain) { 
-                return Error(Ydb::StatusIds::PRECONDITION_FAILED, 
-                    "Cannot create serverless database unless external subdomain is enabled", ctx); 
-            } 
-
-            if (rec.options().disable_tx_service()) { 
-                return Error(Ydb::StatusIds::BAD_REQUEST, 
-                    "Cannot create serverless database with no tx service enabled", ctx); 
-            } 
- 
-            if (const TString& sharedDbPath = rec.serverless_resources().shared_database_path()) { 
-                if (auto tenant = Self->GetTenant(CanonizePath(sharedDbPath))) { 
-                    if (!tenant->AreResourcesShared) { 
-                        return Error(Ydb::StatusIds::PRECONDITION_FAILED, 
-                            TStringBuilder() << "Database is not shared: " << sharedDbPath, ctx); 
-                    } 
- 
-                    if (!tenant->IsRunning()) { 
-                        return Error(Ydb::StatusIds::PRECONDITION_FAILED, 
-                            TStringBuilder() << "Database is not running: " << sharedDbPath, ctx); 
-                    } 
- 
-                    Y_VERIFY(tenant->DomainId); 
-                    Tenant->SharedDomainId = tenant->DomainId; 
-                    tenant->HostedTenants.emplace(Tenant); 
- 
-                    Tenant->IsExternalHive = false; 
-                    Tenant->Coordinators = 1; 
-                    Tenant->SlotsAllocationConfirmed = true; 
-                } else { 
-                    return Error(Ydb::StatusIds::BAD_REQUEST, 
-                        TStringBuilder() << "Database not exists: " << sharedDbPath, ctx); 
-                } 
-            } else { 
-                return Error(Ydb::StatusIds::BAD_REQUEST, "Empty database name", ctx); 
-            } 
-            break; 
- 
-        default: 
-            return Error(Ydb::StatusIds::BAD_REQUEST, "Unknown resources kind", ctx); 
-        } 
- 
+            Tenant->ParseComputationalUnits(Self->Config);
+            break;
+
+        case Ydb::Cms::CreateDatabaseRequest::kServerlessResources:
+            if (!Tenant->IsExternalSubdomain) {
+                return Error(Ydb::StatusIds::PRECONDITION_FAILED,
+                    "Cannot create serverless database unless external subdomain is enabled", ctx);
+            }
+
+            if (rec.options().disable_tx_service()) {
+                return Error(Ydb::StatusIds::BAD_REQUEST,
+                    "Cannot create serverless database with no tx service enabled", ctx);
+            }
+
+            if (const TString& sharedDbPath = rec.serverless_resources().shared_database_path()) {
+                if (auto tenant = Self->GetTenant(CanonizePath(sharedDbPath))) {
+                    if (!tenant->AreResourcesShared) {
+                        return Error(Ydb::StatusIds::PRECONDITION_FAILED,
+                            TStringBuilder() << "Database is not shared: " << sharedDbPath, ctx);
+                    }
+
+                    if (!tenant->IsRunning()) {
+                        return Error(Ydb::StatusIds::PRECONDITION_FAILED,
+                            TStringBuilder() << "Database is not running: " << sharedDbPath, ctx);
+                    }
+
+                    Y_VERIFY(tenant->DomainId);
+                    Tenant->SharedDomainId = tenant->DomainId;
+                    tenant->HostedTenants.emplace(Tenant);
+
+                    Tenant->IsExternalHive = false;
+                    Tenant->Coordinators = 1;
+                    Tenant->SlotsAllocationConfirmed = true;
+                } else {
+                    return Error(Ydb::StatusIds::BAD_REQUEST,
+                        TStringBuilder() << "Database not exists: " << sharedDbPath, ctx);
+                }
+            } else {
+                return Error(Ydb::StatusIds::BAD_REQUEST, "Empty database name", ctx);
+            }
+            break;
+
+        default:
+            return Error(Ydb::StatusIds::BAD_REQUEST, "Unknown resources kind", ctx);
+        }
+
         if (rec.has_schema_operation_quotas()) {
             Tenant->SchemaOperationQuotas.ConstructInPlace(rec.schema_operation_quotas());
         }
diff --git a/ydb/core/cms/console/console__remove_computational_units.cpp b/ydb/core/cms/console/console__remove_computational_units.cpp
index e033e4437d..699c1b5c2a 100644
--- a/ydb/core/cms/console/console__remove_computational_units.cpp
+++ b/ydb/core/cms/console/console__remove_computational_units.cpp
@@ -3,7 +3,7 @@
 namespace NKikimr {
 namespace NConsole {
 
-using namespace NOperationId; 
+using namespace NOperationId;
 
 class TTenantsManager::TTxRemoveComputationalUnits : public TTransactionBase<TTenantsManager> {
 public:
diff --git a/ydb/core/cms/console/console__remove_tenant.cpp b/ydb/core/cms/console/console__remove_tenant.cpp
index 952bc127f2..14bf4e19f3 100644
--- a/ydb/core/cms/console/console__remove_tenant.cpp
+++ b/ydb/core/cms/console/console__remove_tenant.cpp
@@ -3,7 +3,7 @@
 namespace NKikimr {
 namespace NConsole {
 
-using namespace NOperationId; 
+using namespace NOperationId;
 
 class TTenantsManager::TTxRemoveTenant : public TTransactionBase<TTenantsManager> {
 public:
@@ -70,9 +70,9 @@ public:
         } else if (!Tenant->IsConfiguring() && !Tenant->IsRunning()) {
             return Error(Ydb::StatusIds::UNAVAILABLE,
                          Sprintf("Database '%s' is busy", path.data()), ctx);
-        } else if (Tenant->HostedTenants) { 
-            return Error(Ydb::StatusIds::PRECONDITION_FAILED, 
-                         Sprintf("Database '%s' has serverless databases. Remove all of them first", path.data()), ctx); 
+        } else if (Tenant->HostedTenants) {
+            return Error(Ydb::StatusIds::PRECONDITION_FAILED,
+                         Sprintf("Database '%s' has serverless databases. Remove all of them first", path.data()), ctx);
         }
 
         Tenant->TxId = ctx.Now().GetValue();
diff --git a/ydb/core/cms/console/console__remove_tenant_done.cpp b/ydb/core/cms/console/console__remove_tenant_done.cpp
index b2e10c23db..406b3d473a 100644
--- a/ydb/core/cms/console/console__remove_tenant_done.cpp
+++ b/ydb/core/cms/console/console__remove_tenant_done.cpp
@@ -3,7 +3,7 @@
 namespace NKikimr {
 namespace NConsole {
 
-using namespace NOperationId; 
+using namespace NOperationId;
 
 class TTenantsManager::TTxRemoveTenantDone : public TTransactionBase<TTenantsManager> {
 public:
diff --git a/ydb/core/cms/console/console__remove_tenant_failed.cpp b/ydb/core/cms/console/console__remove_tenant_failed.cpp
index dd0af0df72..541bb5d593 100644
--- a/ydb/core/cms/console/console__remove_tenant_failed.cpp
+++ b/ydb/core/cms/console/console__remove_tenant_failed.cpp
@@ -3,7 +3,7 @@
 namespace NKikimr {
 namespace NConsole {
 
-using namespace NOperationId; 
+using namespace NOperationId;
 
 class TTenantsManager::TTxRemoveTenantFailed : public TTransactionBase<TTenantsManager> {
 public:
diff --git a/ydb/core/cms/console/console__scheme.h b/ydb/core/cms/console/console__scheme.h
index b8287bb321..29eb6c3035 100644
--- a/ydb/core/cms/console/console__scheme.h
+++ b/ydb/core/cms/console/console__scheme.h
@@ -31,19 +31,19 @@ struct Schema : NIceDb::Schema {
         struct TimeCastBucketsPerMediator : Column<12, NScheme::NTypeIds::Uint32> {};
         struct Attributes : Column<13, NScheme::NTypeIds::String> { using Type = NKikimrSchemeOp::TAlterUserAttributes; };
         struct Generation : Column<14, NScheme::NTypeIds::Uint64> {};
-        // DomainId { 
+        // DomainId {
         struct SchemeShardId : Column<15, NScheme::NTypeIds::Uint64> {};
         struct PathId : Column<16, NScheme::NTypeIds::Uint64> {};
-        // } // DomainId 
+        // } // DomainId
         struct ErrorCode : Column<17, NScheme::NTypeIds::Uint32> {};
         struct IsExternalSubDomain : Column<18, NScheme::NTypeIds::Bool> {};
         struct IsExternalHive : Column<19, NScheme::NTypeIds::Bool> {};
-        struct AreResourcesShared : Column<20, NScheme::NTypeIds::Bool> {}; 
-        // SharedDomainId { 
-        struct SharedDomainSchemeShardId : Column<21, NScheme::NTypeIds::Uint64> {}; 
-        struct SharedDomainPathId : Column<22, NScheme::NTypeIds::Uint64> {}; 
+        struct AreResourcesShared : Column<20, NScheme::NTypeIds::Bool> {};
+        // SharedDomainId {
+        struct SharedDomainSchemeShardId : Column<21, NScheme::NTypeIds::Uint64> {};
+        struct SharedDomainPathId : Column<22, NScheme::NTypeIds::Uint64> {};
         struct IsExternalSysViewProcessor : Column<23, NScheme::NTypeIds::Bool> {};
-        // } // SharedDomainId 
+        // } // SharedDomainId
         struct SchemaOperationQuotas : Column<24, NScheme::NTypeIds::String> {};
         struct CreateIdempotencyKey : Column<25, NScheme::NTypeIds::Utf8> {};
         struct AlterIdempotencyKey : Column<26, NScheme::NTypeIds::Utf8> {};
@@ -52,7 +52,7 @@ struct Schema : NIceDb::Schema {
         using TKey = TableKey<Path>;
         using TColumns = TableColumns<Path, State, Coordinators, Mediators, PlanResolution,
             Issue, TxId, UserToken, SubdomainVersion, ConfirmedSubdomain, TimeCastBucketsPerMediator,
-            Attributes, Generation, SchemeShardId, PathId, ErrorCode, IsExternalSubDomain, IsExternalHive, 
+            Attributes, Generation, SchemeShardId, PathId, ErrorCode, IsExternalSubDomain, IsExternalHive,
             AreResourcesShared, SharedDomainSchemeShardId, SharedDomainPathId, IsExternalSysViewProcessor,
             SchemaOperationQuotas, CreateIdempotencyKey, AlterIdempotencyKey, DatabaseQuotas>;
     };
diff --git a/ydb/core/cms/console/console__update_subdomain_key.cpp b/ydb/core/cms/console/console__update_subdomain_key.cpp
index b0cd712e63..6a9fcba8cb 100644
--- a/ydb/core/cms/console/console__update_subdomain_key.cpp
+++ b/ydb/core/cms/console/console__update_subdomain_key.cpp
@@ -66,15 +66,15 @@ public:
                     "TTxUpdateSubDomainKey complete for " << Path);
 
         if (Tenant) {
-            if (Tenant->DomainId) { 
-                Self->TenantIdToName.erase(Tenant->DomainId); 
-            } 
- 
-            Tenant->DomainId = TDomainId(SchemeShardId, PathId); 
-
-            Y_VERIFY(!Self->TenantIdToName.contains(Tenant->DomainId)); 
-            Self->TenantIdToName[Tenant->DomainId] = Tenant->Path; 
- 
+            if (Tenant->DomainId) {
+                Self->TenantIdToName.erase(Tenant->DomainId);
+            }
+
+            Tenant->DomainId = TDomainId(SchemeShardId, PathId);
+
+            Y_VERIFY(!Self->TenantIdToName.contains(Tenant->DomainId));
+            Self->TenantIdToName[Tenant->DomainId] = Tenant->Path;
+
             if (Tenant->Worker == Worker)
                 Tenant->Worker = TActorId();
 
diff --git a/ydb/core/cms/console/console_tenants_manager.cpp b/ydb/core/cms/console/console_tenants_manager.cpp
index 9277e9948b..0db3f5dced 100644
--- a/ydb/core/cms/console/console_tenants_manager.cpp
+++ b/ydb/core/cms/console/console_tenants_manager.cpp
@@ -23,7 +23,7 @@
 namespace NKikimr {
 namespace NConsole {
 
-using namespace NOperationId; 
+using namespace NOperationId;
 using namespace NTenantSlotBroker;
 
 namespace {
@@ -280,9 +280,9 @@ public:
         }
 
         const auto &scope = rec.GetStatus(0).GetStoragePool(0).GetScopeId();
-        if (TTenantsManager::TDomainId(scope.GetX1(), scope.GetX2()) != Tenant->DomainId) { 
+        if (TTenantsManager::TDomainId(scope.GetX1(), scope.GetX2()) != Tenant->DomainId) {
             BLOG_ERROR(LogPrefix << "scope id check failure "
-                        << Tenant->DomainId 
+                        << Tenant->DomainId
                         << " vs " << scope.ShortDebugString());
             ReplyAndDie(new TTenantsManager::TEvPrivate::TEvPoolFailed(Tenant, Pool, Pool->Issue), ctx);
             return;
@@ -385,9 +385,9 @@ private:
 
     TActorId OwnerId;
     TTenantsManager::TTenant::TPtr Tenant;
-    TTenantsManager::TTenant::TPtr SharedTenant; 
+    TTenantsManager::TTenant::TPtr SharedTenant;
     EAction Action;
-    // Pair of <WorkDir, DirToCreate> 
+    // Pair of <WorkDir, DirToCreate>
     std::pair<TString, TString> Subdomain;
     ui64 TxId;
     ui64 TabletId;
@@ -406,10 +406,10 @@ public:
     }
 
     TSubDomainManip(TActorId ownerId, TTenantsManager::TTenant::TPtr tenant, EAction action,
-            TTenantsManager::TTenant::TPtr sharedTenant = nullptr) 
+            TTenantsManager::TTenant::TPtr sharedTenant = nullptr)
         : OwnerId(ownerId)
         , Tenant(tenant)
-        , SharedTenant(sharedTenant) 
+        , SharedTenant(sharedTenant)
         , Action(action)
         , TxId(0)
         , TabletId(0)
@@ -417,25 +417,25 @@ public:
         , SchemeshardId(0)
         , PathId(0)
     {
-        if (Action == CREATE) { 
-            TVector<TString> parts = SplitPath(Tenant->Path); 
-            TString workDir; 
-            TString pathToCreate; 
-
-            for (size_t i = 0; i < parts.size(); ++i) { 
-                if (i == 0) { 
-                    workDir = "/" + parts[i]; 
+        if (Action == CREATE) {
+            TVector<TString> parts = SplitPath(Tenant->Path);
+            TString workDir;
+            TString pathToCreate;
+
+            for (size_t i = 0; i < parts.size(); ++i) {
+                if (i == 0) {
+                    workDir = "/" + parts[i];
                 } else {
-                    if (pathToCreate) { 
-                        pathToCreate += "/"; 
-                    } 
-                    pathToCreate += parts[i]; 
+                    if (pathToCreate) {
+                        pathToCreate += "/";
+                    }
+                    pathToCreate += parts[i];
                 }
             }
- 
-            Subdomain = std::make_pair(workDir, pathToCreate); 
-        } else { 
-            Subdomain = std::make_pair(ExtractParent(Tenant->Path), ExtractBase(Tenant->Path)); 
+
+            Subdomain = std::make_pair(workDir, pathToCreate);
+        } else {
+            Subdomain = std::make_pair(ExtractParent(Tenant->Path), ExtractBase(Tenant->Path));
         }
 
         if (IssuesMap.empty()) {
@@ -459,13 +459,13 @@ public:
                 subdomain.SetExternalSysViewProcessor(true);
             }
         }
- 
-        if (SharedTenant) { 
-            const auto &resourcesDomainId = SharedTenant->DomainId; 
-            auto &resourcesDomainKey = *subdomain.MutableResourcesDomainKey(); 
-            resourcesDomainKey.SetSchemeShard(resourcesDomainId.OwnerId); 
-            resourcesDomainKey.SetPathId(resourcesDomainId.LocalPathId); 
-        } 
+
+        if (SharedTenant) {
+            const auto &resourcesDomainId = SharedTenant->DomainId;
+            auto &resourcesDomainKey = *subdomain.MutableResourcesDomainKey();
+            resourcesDomainKey.SetSchemeShard(resourcesDomainId.OwnerId);
+            resourcesDomainKey.SetPathId(resourcesDomainId.LocalPathId);
+        }
     }
 
     void FillSubdomainAlterInfo(NKikimrSubDomains::TSubDomainSettings &subdomain,
@@ -487,8 +487,8 @@ public:
                 subdomain.SetExternalSysViewProcessor(true);
             }
         }
- 
-        for (auto &pr : (SharedTenant ? SharedTenant->StoragePools : Tenant->StoragePools)) { 
+
+        for (auto &pr : (SharedTenant ? SharedTenant->StoragePools : Tenant->StoragePools)) {
             // N.B. only provide schemeshard with pools that have at least one allocated group
             if (pr.second->State != TTenantsManager::TStoragePool::NOT_ALLOCATED &&
                 pr.second->AllocatedNumGroups > 0)
@@ -542,7 +542,7 @@ public:
         BLOG_D("TSubDomainManip(" << Tenant->Path << ") alter subdomain version " << Version);
 
         auto request = MakeHolder<TEvTxUserProxy::TEvProposeTransaction>();
-        request->Record.SetDatabaseName(TString(ExtractDomain(Subdomain.first))); 
+        request->Record.SetDatabaseName(TString(ExtractDomain(Subdomain.first)));
         request->Record.SetExecTimeoutPeriod(Max<ui64>());
 
         if (Tenant->UserToken.GetUserSID())
@@ -570,7 +570,7 @@ public:
         BLOG_D("TSubDomainManip(" << Tenant->Path << ") create subdomain");
 
         auto request = MakeHolder<TEvTxUserProxy::TEvProposeTransaction>();
-        request->Record.SetDatabaseName(TString(ExtractDomain(Subdomain.first))); 
+        request->Record.SetDatabaseName(TString(ExtractDomain(Subdomain.first)));
         request->Record.SetExecTimeoutPeriod(Max<ui64>());
         if (Tenant->UserToken.GetUserSID())
             request->Record.SetUserToken(Tenant->UserToken.SerializeAsString());
@@ -596,7 +596,7 @@ public:
         BLOG_D("TSubDomainManip(" << Tenant->Path << ") drop subdomain");
 
         auto request = MakeHolder<TEvTxUserProxy::TEvProposeTransaction>();
-        request->Record.SetDatabaseName(TString(ExtractDomain(Subdomain.first))); 
+        request->Record.SetDatabaseName(TString(ExtractDomain(Subdomain.first)));
         request->Record.SetExecTimeoutPeriod(Max<ui64>());
         if (Tenant->UserToken.GetUserSID())
             request->Record.SetUserToken(Tenant->UserToken.SerializeAsString());
@@ -713,8 +713,8 @@ public:
         BLOG_D("TSubdomainManip(" << Tenant->Path << ")::Bootstrap");
 
         if (Action == CREATE) {
-            Become(&TThis::StateSubdomain); 
-            CreateSubdomain(ctx); 
+            Become(&TThis::StateSubdomain);
+            CreateSubdomain(ctx);
         } else if (Action == CONFIGURE) {
             Become(&TThis::StateSubdomain);
             AlterSubdomain(ctx);
@@ -724,7 +724,7 @@ public:
         } else {
             Y_VERIFY(Action == REMOVE);
             Become(&TThis::StateSubdomain);
-            ReadSubdomainKey(ctx); 
+            ReadSubdomainKey(ctx);
         }
     }
 
@@ -809,22 +809,22 @@ public:
         BLOG_D("TSubdomainManip(" << Tenant->Path << ") got describe result: "
                     << rec.ShortDebugString());
 
-        if (Action == REMOVE) { 
-            switch (rec.GetStatus()) { 
+        if (Action == REMOVE) {
+            switch (rec.GetStatus()) {
             case NKikimrScheme::EStatus::StatusPathDoesNotExist:
-                ActionFinished(ctx); 
-                break; 
+                ActionFinished(ctx);
+                break;
             case NKikimrScheme::EStatus::StatusSuccess:
-                DropSubdomain(ctx); 
-                break; 
-            default: 
-                ReplyAndDie(new TTenantsManager::TEvPrivate::TEvSubdomainFailed(Tenant, rec.GetReason()), ctx); 
-                break; 
-            } 
- 
-            return; 
-        } 
- 
+                DropSubdomain(ctx);
+                break;
+            default:
+                ReplyAndDie(new TTenantsManager::TEvPrivate::TEvSubdomainFailed(Tenant, rec.GetReason()), ctx);
+                break;
+            }
+
+            return;
+        }
+
         if (rec.GetStatus() != NKikimrScheme::EStatus::StatusSuccess) {
             BLOG_ERROR("TSubdomainManip(" << Tenant->Path << ") "
                         << "Receive TEvDescribeSchemeResult with bad status "
@@ -1184,7 +1184,7 @@ TTenantsManager::TTenant::TTenant(const TString &path,
     , IsExternalSubdomain(false)
     , IsExternalHive(false)
     , IsExternalSysViewProcessor(false)
-    , AreResourcesShared(false) 
+    , AreResourcesShared(false)
 {
 }
 
@@ -1246,7 +1246,7 @@ bool TTenantsManager::TTenant::HasPoolsToDelete() const
 
 bool TTenantsManager::TTenant::HasSubDomainKey() const
 {
-    return bool(DomainId); 
+    return bool(DomainId);
 }
 
 TString TTenantsManager::TTenant::MakeStoragePoolName(const TString &poolTypeName)
@@ -1317,7 +1317,7 @@ void TTenantsManager::TTenant::RemoveComputationalUnits()
 void TTenantsManager::ClearState()
 {
     Tenants.clear();
-    TenantIdToName.clear(); 
+    TenantIdToName.clear();
     RemovedTenants.clear();
     SlotStats.Clear();
 }
@@ -1381,22 +1381,22 @@ TTenantsManager::TTenant::TPtr TTenantsManager::GetTenant(const TString &name)
     return nullptr;
 }
 
-TTenantsManager::TTenant::TPtr TTenantsManager::GetTenant(const TDomainId &domainId) 
-{ 
-    auto it = TenantIdToName.find(domainId); 
-    if (it != TenantIdToName.end()) 
-        return GetTenant(it->second); 
-    return nullptr; 
-} 
- 
+TTenantsManager::TTenant::TPtr TTenantsManager::GetTenant(const TDomainId &domainId)
+{
+    auto it = TenantIdToName.find(domainId);
+    if (it != TenantIdToName.end())
+        return GetTenant(it->second);
+    return nullptr;
+}
+
 void TTenantsManager::AddTenant(TTenant::TPtr tenant)
 {
     Y_VERIFY(!Tenants.contains(tenant->Path));
     Tenants[tenant->Path] = tenant;
-    if (tenant->DomainId) { 
-        Y_VERIFY(!TenantIdToName.contains(tenant->DomainId)); 
-        TenantIdToName[tenant->DomainId] = tenant->Path; 
-    } 
+    if (tenant->DomainId) {
+        Y_VERIFY(!TenantIdToName.contains(tenant->DomainId));
+        TenantIdToName[tenant->DomainId] = tenant->Path;
+    }
     SlotStats.AllocateSlots(tenant->Slots);
 
     Counters.Set(COUNTER_TENANTS, Tenants.size());
@@ -1412,15 +1412,15 @@ void TTenantsManager::AddTenant(TTenant::TPtr tenant)
 void TTenantsManager::RemoveTenant(TTenant::TPtr tenant)
 {
     Tenants.erase(tenant->Path);
-    TenantIdToName.erase(tenant->DomainId); 
+    TenantIdToName.erase(tenant->DomainId);
     SlotStats.DeallocateSlots(tenant->Slots);
 
-    if (tenant->SharedDomainId) { 
-        auto sharedTenant = GetTenant(tenant->SharedDomainId); 
-        Y_VERIFY(sharedTenant); 
-        sharedTenant->HostedTenants.erase(tenant); 
-    } 
- 
+    if (tenant->SharedDomainId) {
+        auto sharedTenant = GetTenant(tenant->SharedDomainId);
+        Y_VERIFY(sharedTenant);
+        sharedTenant->HostedTenants.erase(tenant);
+    }
+
     Counters.Set(COUNTER_TENANTS, Tenants.size());
     Counters.RemoveUnits(tenant->ComputationalUnits);
     for (auto &pr : tenant->RegisteredComputationalUnits)
@@ -1721,7 +1721,7 @@ TTenantsManager::TStoragePool::TPtr TTenantsManager::MakeStoragePool(TTenant::TP
 
     TStoragePool::TPtr pool = new TStoragePool(poolName, kind, size, config);
     if (tenant->HasSubDomainKey())
-        pool->SetScopeId(tenant->DomainId); 
+        pool->SetScopeId(tenant->DomainId);
 
     return pool;
 }
@@ -1859,12 +1859,12 @@ void TTenantsManager::FillTenantStatus(TTenant::TPtr tenant, Ydb::Cms::GetDataba
     else
         status.set_state(Ydb::Cms::GetDatabaseStatusResult::STATE_UNSPECIFIED);
 
-    auto resources = tenant->AreResourcesShared ? 
-        status.mutable_required_shared_resources() : 
-        status.mutable_required_resources(); 
- 
+    auto resources = tenant->AreResourcesShared ?
+        status.mutable_required_shared_resources() :
+        status.mutable_required_resources();
+
     for (auto &pr : tenant->StoragePools) {
-        auto &pool = *resources->add_storage_units(); 
+        auto &pool = *resources->add_storage_units();
         pool.set_unit_kind(pr.second->Kind);
         pool.set_count(pr.second->Config.GetNumGroups());
         if (pr.second->AllocatedNumGroups) {
@@ -1875,18 +1875,18 @@ void TTenantsManager::FillTenantStatus(TTenant::TPtr tenant, Ydb::Cms::GetDataba
     }
 
     for (auto &pr : tenant->ComputationalUnits) {
-        auto &unit = *resources->add_computational_units(); 
+        auto &unit = *resources->add_computational_units();
         unit.set_unit_kind(pr.first.first);
         unit.set_availability_zone(pr.first.second);
         unit.set_count(pr.second);
     }
 
-    if (tenant->SharedDomainId) { 
-        auto sharedTenant = GetTenant(tenant->SharedDomainId); 
-        Y_VERIFY(sharedTenant); 
-        status.mutable_serverless_resources()->set_shared_database_path(sharedTenant->Path); 
-    } 
- 
+    if (tenant->SharedDomainId) {
+        auto sharedTenant = GetTenant(tenant->SharedDomainId);
+        Y_VERIFY(sharedTenant);
+        status.mutable_serverless_resources()->set_shared_database_path(sharedTenant->Path);
+    }
+
     for (auto &pr : tenant->RegisteredComputationalUnits) {
         auto &unit = *status.add_registered_resources();
         unit.set_host(pr.second.Host);
@@ -1956,8 +1956,8 @@ void TTenantsManager::ConfigureTenantSubDomain(TTenant::TPtr tenant, const TActo
     Y_VERIFY(tenant->IsRunning() || tenant->IsConfiguring());
     if (tenant->SubdomainVersion != tenant->ConfirmedSubdomain
         && !tenant->Worker) {
- 
-        auto *actor = new TSubDomainManip(SelfId(), tenant, TSubDomainManip::CONFIGURE, GetTenant(tenant->SharedDomainId)); 
+
+        auto *actor = new TSubDomainManip(SelfId(), tenant, TSubDomainManip::CONFIGURE, GetTenant(tenant->SharedDomainId));
         tenant->Worker = ctx.RegisterWithSameMailbox(actor);
     }
 }
@@ -1966,7 +1966,7 @@ void TTenantsManager::CreateTenantSubDomain(TTenant::TPtr tenant, const TActorCo
 {
     Y_VERIFY(tenant->State == TTenant::CREATING_SUBDOMAIN);
     Y_VERIFY(!tenant->Worker);
-    auto *actor = new TSubDomainManip(SelfId(), tenant, TSubDomainManip::CREATE, GetTenant(tenant->SharedDomainId)); 
+    auto *actor = new TSubDomainManip(SelfId(), tenant, TSubDomainManip::CREATE, GetTenant(tenant->SharedDomainId));
     tenant->Worker = ctx.RegisterWithSameMailbox(actor);
 }
 
@@ -2119,15 +2119,15 @@ void TTenantsManager::SendTenantNotifications(TTenant::TPtr tenant,
     tenant->Subscribers.clear();
 }
 
-TString DomainIdToStringSafe(const TTenantsManager::TDomainId& value) { 
-    // <invalid> cannot be printed inside <pre> tag 
-    if (!value) { 
-        return "[Invalid]"; 
-    } 
- 
-    return value.ToString(); 
-} 
- 
+TString DomainIdToStringSafe(const TTenantsManager::TDomainId& value) {
+    // <invalid> cannot be printed inside <pre> tag
+    if (!value) {
+        return "[Invalid]";
+    }
+
+    return value.ToString();
+}
+
 void TTenantsManager::DumpStateHTML(IOutputStream &os)
 {
     HTML(os) {
@@ -2163,9 +2163,9 @@ void TTenantsManager::DumpStateHTML(IOutputStream &os)
                    << "   Worker: " << tenant->Worker << Endl
                    << "   SubdomainVersion: " << tenant->SubdomainVersion << Endl
                    << "   ConfirmedSubdomain: " << tenant->ConfirmedSubdomain << Endl
-                   << "   DomainId: " << DomainIdToStringSafe(tenant->DomainId) << Endl 
-                   << "   AreResourcesShared: " << tenant->AreResourcesShared << Endl 
-                   << "   SharedDomainId: " << DomainIdToStringSafe(tenant->SharedDomainId) << Endl 
+                   << "   DomainId: " << DomainIdToStringSafe(tenant->DomainId) << Endl
+                   << "   AreResourcesShared: " << tenant->AreResourcesShared << Endl
+                   << "   SharedDomainId: " << DomainIdToStringSafe(tenant->SharedDomainId) << Endl
                    << "   Attributes: " << tenant->Attributes.ShortDebugString() << Endl;
 
                 os << "   Storage pools:" << Endl;
@@ -2247,10 +2247,10 @@ void TTenantsManager::DbAddTenant(TTenant::TPtr tenant,
                 << " generation=" << tenant->Generation
                 << " errorcode=" << tenant->ErrorCode
                 << " isExternalSubDomain=" << tenant->IsExternalSubdomain
-                << " isExternalHive=" << tenant->IsExternalHive 
+                << " isExternalHive=" << tenant->IsExternalHive
                 << " isExternalSysViewProcessor=" << tenant->IsExternalSysViewProcessor
-                << " areResourcesShared=" << tenant->AreResourcesShared 
-                << " sharedDomainId=" << tenant->SharedDomainId); 
+                << " areResourcesShared=" << tenant->AreResourcesShared
+                << " sharedDomainId=" << tenant->SharedDomainId);
 
     NIceDb::TNiceDb db(txc.DB);
     db.Table<Schema::Tenants>().Key(tenant->Path)
@@ -2268,17 +2268,17 @@ void TTenantsManager::DbAddTenant(TTenant::TPtr tenant,
                 NIceDb::TUpdate<Schema::Tenants::Generation>(tenant->Generation),
                 NIceDb::TUpdate<Schema::Tenants::ErrorCode>(tenant->ErrorCode),
                 NIceDb::TUpdate<Schema::Tenants::IsExternalSubDomain>(tenant->IsExternalSubdomain),
-                NIceDb::TUpdate<Schema::Tenants::IsExternalHive>(tenant->IsExternalHive), 
+                NIceDb::TUpdate<Schema::Tenants::IsExternalHive>(tenant->IsExternalHive),
                 NIceDb::TUpdate<Schema::Tenants::IsExternalSysViewProcessor>(tenant->IsExternalSysViewProcessor),
                 NIceDb::TUpdate<Schema::Tenants::AreResourcesShared>(tenant->AreResourcesShared),
                 NIceDb::TUpdate<Schema::Tenants::CreateIdempotencyKey>(tenant->CreateIdempotencyKey));
 
-    if (tenant->SharedDomainId) { 
-        db.Table<Schema::Tenants>().Key(tenant->Path) 
-            .Update(NIceDb::TUpdate<Schema::Tenants::SharedDomainSchemeShardId>(tenant->SharedDomainId.OwnerId), 
-                    NIceDb::TUpdate<Schema::Tenants::SharedDomainPathId>(tenant->SharedDomainId.LocalPathId)); 
-    } 
- 
+    if (tenant->SharedDomainId) {
+        db.Table<Schema::Tenants>().Key(tenant->Path)
+            .Update(NIceDb::TUpdate<Schema::Tenants::SharedDomainSchemeShardId>(tenant->SharedDomainId.OwnerId),
+                    NIceDb::TUpdate<Schema::Tenants::SharedDomainPathId>(tenant->SharedDomainId.LocalPathId));
+    }
+
     if (tenant->SchemaOperationQuotas) {
         TString serialized;
         Y_VERIFY(tenant->SchemaOperationQuotas->SerializeToString(&serialized));
@@ -2323,18 +2323,18 @@ void TTenantsManager::DbAddTenant(TTenant::TPtr tenant,
     }
 }
 
-template <typename SchemeShardIdColumn, typename PathIdColumn, typename TRowSet> 
-static TTenantsManager::TDomainId LoadDomainId(const TRowSet& rowset) { 
-    const ui64 schemeShardId = rowset.template GetValueOrDefault<SchemeShardIdColumn>(0); 
-    const ui64 pathId = rowset.template GetValueOrDefault<PathIdColumn>(0); 
- 
-    if (!schemeShardId && !pathId) { 
-        return TTenantsManager::TDomainId(); 
-    } 
- 
-    return TTenantsManager::TDomainId(schemeShardId, pathId); 
-} 
- 
+template <typename SchemeShardIdColumn, typename PathIdColumn, typename TRowSet>
+static TTenantsManager::TDomainId LoadDomainId(const TRowSet& rowset) {
+    const ui64 schemeShardId = rowset.template GetValueOrDefault<SchemeShardIdColumn>(0);
+    const ui64 pathId = rowset.template GetValueOrDefault<PathIdColumn>(0);
+
+    if (!schemeShardId && !pathId) {
+        return TTenantsManager::TDomainId();
+    }
+
+    return TTenantsManager::TDomainId(schemeShardId, pathId);
+}
+
 bool TTenantsManager::DbLoadState(TTransactionContext &txc, const TActorContext &ctx)
 {
     LOG_DEBUG(ctx, NKikimrServices::CMS_TENANTS, "Loading tenants state");
@@ -2366,15 +2366,15 @@ bool TTenantsManager::DbLoadState(TTransactionContext &txc, const TActorContext
         ui64 confirmedSubdomain = tenantRowset.GetValueOrDefault<Schema::Tenants::ConfirmedSubdomain>(0);
         NKikimrSchemeOp::TAlterUserAttributes attrs = tenantRowset.GetValueOrDefault<Schema::Tenants::Attributes>({});
         ui64 generation = tenantRowset.GetValueOrDefault<Schema::Tenants::Generation>(1);
-        const TDomainId domainId = LoadDomainId<Schema::Tenants::SchemeShardId, Schema::Tenants::PathId>(tenantRowset); 
-        const TDomainId sharedDomainId = LoadDomainId<Schema::Tenants::SharedDomainSchemeShardId, Schema::Tenants::SharedDomainPathId>(tenantRowset); 
+        const TDomainId domainId = LoadDomainId<Schema::Tenants::SchemeShardId, Schema::Tenants::PathId>(tenantRowset);
+        const TDomainId sharedDomainId = LoadDomainId<Schema::Tenants::SharedDomainSchemeShardId, Schema::Tenants::SharedDomainPathId>(tenantRowset);
         TString issue = tenantRowset.GetValueOrDefault<Schema::Tenants::Issue>("");
         Ydb::StatusIds::StatusCode errorCode
             = static_cast<Ydb::StatusIds::StatusCode>(tenantRowset.GetValueOrDefault<Schema::Tenants::ErrorCode>(0));
         bool isExternalSubDomain = tenantRowset.GetValueOrDefault<Schema::Tenants::IsExternalSubDomain>(false);
         bool isExternalHive = tenantRowset.GetValueOrDefault<Schema::Tenants::IsExternalHive>(false);
         bool isExternalSysViewProcessor = tenantRowset.GetValueOrDefault<Schema::Tenants::IsExternalSysViewProcessor>(false);
-        const bool areResourcesShared = tenantRowset.GetValueOrDefault<Schema::Tenants::AreResourcesShared>(false); 
+        const bool areResourcesShared = tenantRowset.GetValueOrDefault<Schema::Tenants::AreResourcesShared>(false);
 
         TTenant::TPtr tenant = new TTenant(path, state, userToken);
         tenant->Coordinators = coordinators;
@@ -2386,14 +2386,14 @@ bool TTenantsManager::DbLoadState(TTransactionContext &txc, const TActorContext
         tenant->ConfirmedSubdomain = confirmedSubdomain;
         tenant->Attributes.CopyFrom(attrs);
         tenant->Generation = generation;
-        tenant->DomainId = domainId; 
-        tenant->SharedDomainId = sharedDomainId; 
+        tenant->DomainId = domainId;
+        tenant->SharedDomainId = sharedDomainId;
         tenant->ErrorCode = errorCode;
         tenant->Issue = issue;
         tenant->IsExternalSubdomain = isExternalSubDomain;
         tenant->IsExternalHive = isExternalHive;
         tenant->IsExternalSysViewProcessor = isExternalSysViewProcessor;
-        tenant->AreResourcesShared = areResourcesShared; 
+        tenant->AreResourcesShared = areResourcesShared;
 
         if (tenantRowset.HaveValue<Schema::Tenants::SchemaOperationQuotas>()) {
             auto& deserialized = tenant->SchemaOperationQuotas.ConstructInPlace();
@@ -2421,16 +2421,16 @@ bool TTenantsManager::DbLoadState(TTransactionContext &txc, const TActorContext
             return false;
     }
 
-    for (auto [_, tenant] : Tenants) { 
-        if (!tenant->SharedDomainId) { 
-            continue; 
-        } 
- 
-        auto sharedTenant = GetTenant(tenant->SharedDomainId); 
-        Y_VERIFY(sharedTenant); 
-        sharedTenant->HostedTenants.emplace(tenant); 
-    } 
- 
+    for (auto [_, tenant] : Tenants) {
+        if (!tenant->SharedDomainId) {
+            continue;
+        }
+
+        auto sharedTenant = GetTenant(tenant->SharedDomainId);
+        Y_VERIFY(sharedTenant);
+        sharedTenant->HostedTenants.emplace(tenant);
+    }
+
     while (!removedRowset.EndOfSet()) {
         TRemovedTenant tenant;
         tenant.Path = removedRowset.GetValue<Schema::RemovedTenants::Path>();
@@ -2834,7 +2834,7 @@ void TTenantsManager::DbUpdateTenantUserToken(TTenant::TPtr tenant,
                                               const TActorContext &ctx)
 {
     LOG_TRACE_S(ctx, NKikimrServices::CMS_TENANTS,
-                "Update user token in database for " << tenant->Path); 
+                "Update user token in database for " << tenant->Path);
 
     NIceDb::TNiceDb db(txc.DB);
     db.Table<Schema::Tenants>().Key(tenant->Path)
diff --git a/ydb/core/cms/console/console_tenants_manager.h b/ydb/core/cms/console/console_tenants_manager.h
index 28210675ca..a21615dd62 100644
--- a/ydb/core/cms/console/console_tenants_manager.h
+++ b/ydb/core/cms/console/console_tenants_manager.h
@@ -46,7 +46,7 @@ private:
 public:
     using TUnitsCount = THashMap<std::pair<TString, TString>, ui64>;
     using TSlotsCount = THashMap<TSlotDescription, ui64>;
-    using TDomainId = TPathId; 
+    using TDomainId = TPathId;
 
     //////////////////////////////////////////////////
     // Counters
@@ -320,11 +320,11 @@ public:
             SetScopeId(Config, schemeShardId, pathId);
         }
 
-        void SetScopeId(const TDomainId& domainId) 
-        { 
-            SetScopeId(Config, domainId.OwnerId, domainId.LocalPathId); 
-        } 
- 
+        void SetScopeId(const TDomainId& domainId)
+        {
+            SetScopeId(Config, domainId.OwnerId, domainId.LocalPathId);
+        }
+
         static void SetScopeId(NKikimrBlobStorage::TDefineStoragePool &config,
                                ui64 schemeShardId,
                                ui64 pathId)
@@ -514,13 +514,13 @@ public:
         // Current generation.
         ui64 Generation;
         // Subdomain ID.
-        TDomainId DomainId; 
-        TDomainId SharedDomainId; 
+        TDomainId DomainId;
+        TDomainId SharedDomainId;
         bool IsExternalSubdomain;
         bool IsExternalHive;
         bool IsExternalSysViewProcessor;
-        bool AreResourcesShared; 
-        THashSet<TTenant::TPtr> HostedTenants; 
+        bool AreResourcesShared;
+        THashSet<TTenant::TPtr> HostedTenants;
 
         TMaybe<Ydb::Cms::SchemaOperationQuotas> SchemaOperationQuotas;
         TMaybe<Ydb::Cms::DatabaseQuotas> DatabaseQuotas;
@@ -738,7 +738,7 @@ public:
     TTenant::TPtr FindComputationalUnitKindUsage(const TString &kind, const TString &zone);
 
     TTenant::TPtr GetTenant(const TString &name);
-    TTenant::TPtr GetTenant(const TDomainId &domainId); 
+    TTenant::TPtr GetTenant(const TDomainId &domainId);
     void AddTenant(TTenant::TPtr tenant);
     void RemoveTenant(TTenant::TPtr tenant);
     void RemoveTenantFailed(TTenant::TPtr tenant,
@@ -986,7 +986,7 @@ private:
     TDomainsInfo::TDomain::TPtr Domain;
     TActorId TenantSlotBrokerPipe;
     THashMap<TString, TTenant::TPtr> Tenants;
-    THashMap<TDomainId, TString> TenantIdToName; 
+    THashMap<TDomainId, TString> TenantIdToName;
     THashMap<TString, TRemovedTenant> RemovedTenants;
     TTenantsConfig Config;
     TTxProcessor::TPtr TxProcessor;
diff --git a/ydb/core/cms/console/console_ut_tenants.cpp b/ydb/core/cms/console/console_ut_tenants.cpp
index 52cd48505d..57e4820af7 100644
--- a/ydb/core/cms/console/console_ut_tenants.cpp
+++ b/ydb/core/cms/console/console_ut_tenants.cpp
@@ -654,18 +654,18 @@ Y_UNIT_TEST_SUITE(TConsoleTxProcessorTests) {
 
 
 Y_UNIT_TEST_SUITE(TConsoleTests) {
-    void RunTestCreateTenant(TTenantTestRuntime& runtime, bool shared = false) { 
-        using EType = TCreateTenantRequest::EType; 
-
-        CheckCreateTenant(runtime, Ydb::StatusIds::SUCCESS, 
-            TCreateTenantRequest(TENANT1_1_NAME, shared ? EType::Shared : EType::Common) 
-                .WithSlots({{SLOT1_TYPE, ZONE1, 3}, {SLOT2_TYPE, ZONE1, 2}, {SLOT3_TYPE, ZONE1, 1}}) 
-                .WithPools({{"hdd", 1}, {"hdd-1", 2}})); 
- 
+    void RunTestCreateTenant(TTenantTestRuntime& runtime, bool shared = false) {
+        using EType = TCreateTenantRequest::EType;
+
+        CheckCreateTenant(runtime, Ydb::StatusIds::SUCCESS,
+            TCreateTenantRequest(TENANT1_1_NAME, shared ? EType::Shared : EType::Common)
+                .WithSlots({{SLOT1_TYPE, ZONE1, 3}, {SLOT2_TYPE, ZONE1, 2}, {SLOT3_TYPE, ZONE1, 1}})
+                .WithPools({{"hdd", 1}, {"hdd-1", 2}}));
+
         runtime.WaitForHiveState({{{DOMAIN1_NAME, 8, 8, 8},
                                    {TENANT1_1_NAME, 10, 10, 10}}});
 
-        CheckTenantStatus(runtime, TENANT1_1_NAME, shared, Ydb::StatusIds::SUCCESS, 
+        CheckTenantStatus(runtime, TENANT1_1_NAME, shared, Ydb::StatusIds::SUCCESS,
                           Ydb::Cms::GetDatabaseStatusResult::RUNNING,
                           {{"hdd", 1, 1}, {"hdd-1", 2, 2}}, {},
                           SLOT1_TYPE, ZONE1, 3, 3,
@@ -690,56 +690,56 @@ Y_UNIT_TEST_SUITE(TConsoleTests) {
         RunTestCreateTenant(runtime);
     }
 
-    Y_UNIT_TEST(TestCreateSharedTenant) { 
-        TTenantTestRuntime runtime(DefaultConsoleTestConfig(), {}, true); 
-        RunTestCreateTenant(runtime, true); 
-    } 
- 
-    Y_UNIT_TEST(TestCreateServerlessTenant) { 
-        TTenantTestRuntime runtime(DefaultConsoleTestConfig(), {}, true); 
-        // create shared tenant 
-        RunTestCreateTenant(runtime, true); 
-        // create serverless tenant 
-        CheckCreateTenant(runtime, Ydb::StatusIds::SUCCESS, 
-            TCreateTenantRequest(TENANT1_2_NAME) 
-                .WithSharedDbPath(TENANT1_1_NAME)); 
-        CheckTenantStatus(runtime, TENANT1_2_NAME, Ydb::StatusIds::SUCCESS, 
-                          Ydb::Cms::GetDatabaseStatusResult::RUNNING, {}, {}); 
-        // check counters 
-        CheckCounter(runtime, {}, TTenantsManager::COUNTER_TENANTS, 2); 
-        CheckCounter(runtime, {}, TTenantsManager::COUNTER_CREATE_REQUESTS, 2); 
-        CheckCounter(runtime, {{ {"status", "SUCCESS"} }}, TTenantsManager::COUNTER_CREATE_RESPONSES, 2); 
-    } 
- 
-    Y_UNIT_TEST(TestCreateServerlessTenantWrongSharedDb) { 
-        TTenantTestRuntime runtime(DefaultConsoleTestConfig(), {}, true); 
-        // Empty shared db path 
-        CheckCreateTenant(runtime, Ydb::StatusIds::BAD_REQUEST, 
-            TCreateTenantRequest(TENANT1_2_NAME) 
-                .WithSharedDbPath("")); 
-        // Unknown shared db 
-        CheckCreateTenant(runtime, Ydb::StatusIds::BAD_REQUEST, 
-            TCreateTenantRequest(TENANT1_2_NAME) 
-                .WithSharedDbPath(TENANT1_1_NAME)); 
-    } 
- 
+    Y_UNIT_TEST(TestCreateSharedTenant) {
+        TTenantTestRuntime runtime(DefaultConsoleTestConfig(), {}, true);
+        RunTestCreateTenant(runtime, true);
+    }
+
+    Y_UNIT_TEST(TestCreateServerlessTenant) {
+        TTenantTestRuntime runtime(DefaultConsoleTestConfig(), {}, true);
+        // create shared tenant
+        RunTestCreateTenant(runtime, true);
+        // create serverless tenant
+        CheckCreateTenant(runtime, Ydb::StatusIds::SUCCESS,
+            TCreateTenantRequest(TENANT1_2_NAME)
+                .WithSharedDbPath(TENANT1_1_NAME));
+        CheckTenantStatus(runtime, TENANT1_2_NAME, Ydb::StatusIds::SUCCESS,
+                          Ydb::Cms::GetDatabaseStatusResult::RUNNING, {}, {});
+        // check counters
+        CheckCounter(runtime, {}, TTenantsManager::COUNTER_TENANTS, 2);
+        CheckCounter(runtime, {}, TTenantsManager::COUNTER_CREATE_REQUESTS, 2);
+        CheckCounter(runtime, {{ {"status", "SUCCESS"} }}, TTenantsManager::COUNTER_CREATE_RESPONSES, 2);
+    }
+
+    Y_UNIT_TEST(TestCreateServerlessTenantWrongSharedDb) {
+        TTenantTestRuntime runtime(DefaultConsoleTestConfig(), {}, true);
+        // Empty shared db path
+        CheckCreateTenant(runtime, Ydb::StatusIds::BAD_REQUEST,
+            TCreateTenantRequest(TENANT1_2_NAME)
+                .WithSharedDbPath(""));
+        // Unknown shared db
+        CheckCreateTenant(runtime, Ydb::StatusIds::BAD_REQUEST,
+            TCreateTenantRequest(TENANT1_2_NAME)
+                .WithSharedDbPath(TENANT1_1_NAME));
+    }
+
     void RunTestCreateTenantWrongName(TTenantTestRuntime& runtime) {
         // Empty path
-        CheckCreateTenant(runtime, Ydb::StatusIds::BAD_REQUEST, TCreateTenantRequest("")); 
+        CheckCreateTenant(runtime, Ydb::StatusIds::BAD_REQUEST, TCreateTenantRequest(""));
         // Root path
-        CheckCreateTenant(runtime, Ydb::StatusIds::BAD_REQUEST, TCreateTenantRequest("/")); 
+        CheckCreateTenant(runtime, Ydb::StatusIds::BAD_REQUEST, TCreateTenantRequest("/"));
         // Root path
-        CheckCreateTenant(runtime, Ydb::StatusIds::BAD_REQUEST, TCreateTenantRequest("///")); 
+        CheckCreateTenant(runtime, Ydb::StatusIds::BAD_REQUEST, TCreateTenantRequest("///"));
         // Wrong char.
-        CheckCreateTenant(runtime, Ydb::StatusIds::BAD_REQUEST, TCreateTenantRequest("tenant?")); 
+        CheckCreateTenant(runtime, Ydb::StatusIds::BAD_REQUEST, TCreateTenantRequest("tenant?"));
         // Wrong domain
-        CheckCreateTenant(runtime, Ydb::StatusIds::BAD_REQUEST, TCreateTenantRequest("/wrong-domain/tenant")); 
+        CheckCreateTenant(runtime, Ydb::StatusIds::BAD_REQUEST, TCreateTenantRequest("/wrong-domain/tenant"));
         // Tenant name starts with non-alpha
-        CheckCreateTenant(runtime, Ydb::StatusIds::BAD_REQUEST, TCreateTenantRequest("/dc-1/users/1-tenant")); 
-        CheckCreateTenant(runtime, Ydb::StatusIds::BAD_REQUEST, TCreateTenantRequest("/dc-1/users/-tenant")); 
+        CheckCreateTenant(runtime, Ydb::StatusIds::BAD_REQUEST, TCreateTenantRequest("/dc-1/users/1-tenant"));
+        CheckCreateTenant(runtime, Ydb::StatusIds::BAD_REQUEST, TCreateTenantRequest("/dc-1/users/-tenant"));
         // Dir name starts with non-alpha
-        CheckCreateTenant(runtime, Ydb::StatusIds::BAD_REQUEST, TCreateTenantRequest("/dc-1/1users/tenant")); 
-        CheckCreateTenant(runtime, Ydb::StatusIds::BAD_REQUEST, TCreateTenantRequest("/dc-1/_users/tenant")); 
+        CheckCreateTenant(runtime, Ydb::StatusIds::BAD_REQUEST, TCreateTenantRequest("/dc-1/1users/tenant"));
+        CheckCreateTenant(runtime, Ydb::StatusIds::BAD_REQUEST, TCreateTenantRequest("/dc-1/_users/tenant"));
 
         CheckCounter(runtime, {}, TTenantsManager::COUNTER_TENANTS, 0);
         CheckCounter(runtime, {}, TTenantsManager::COUNTER_CREATE_REQUESTS, 9);
@@ -757,9 +757,9 @@ Y_UNIT_TEST_SUITE(TConsoleTests) {
     }
 
     void RunTestCreateTenantWrongPool(TTenantTestRuntime& runtime) {
-        CheckCreateTenant(runtime, Ydb::StatusIds::BAD_REQUEST, TCreateTenantRequest(TENANT1_1_NAME)); 
-        CheckCreateTenant(runtime, Ydb::StatusIds::BAD_REQUEST, TCreateTenantRequest(TENANT1_1_NAME).WithPools({{"hdd", 0}})); 
-        CheckCreateTenant(runtime, Ydb::StatusIds::BAD_REQUEST, TCreateTenantRequest(TENANT1_1_NAME).WithPools({{"unknown", 1}})); 
+        CheckCreateTenant(runtime, Ydb::StatusIds::BAD_REQUEST, TCreateTenantRequest(TENANT1_1_NAME));
+        CheckCreateTenant(runtime, Ydb::StatusIds::BAD_REQUEST, TCreateTenantRequest(TENANT1_1_NAME).WithPools({{"hdd", 0}}));
+        CheckCreateTenant(runtime, Ydb::StatusIds::BAD_REQUEST, TCreateTenantRequest(TENANT1_1_NAME).WithPools({{"unknown", 1}}));
     }
 
     Y_UNIT_TEST(TestCreateTenantWrongPool) {
@@ -909,8 +909,8 @@ Y_UNIT_TEST_SUITE(TConsoleTests) {
     }
 
     void RunTestAlterTenantModifyComputationalResourcesForPending(TTenantTestRuntime& runtime) {
-        CheckCreateTenant(runtime, Ydb::StatusIds::SUCCESS, 
-            TCreateTenantRequest(TENANT1_1_NAME).WithPools({{"hdd", 1}})); 
+        CheckCreateTenant(runtime, Ydb::StatusIds::SUCCESS,
+            TCreateTenantRequest(TENANT1_1_NAME).WithPools({{"hdd", 1}}));
 
         CheckTenantStatus(runtime, TENANT1_1_NAME, Ydb::StatusIds::SUCCESS,
                           Ydb::Cms::GetDatabaseStatusResult::PENDING_RESOURCES, {{"hdd", 1, 1}}, {});
@@ -1007,8 +1007,8 @@ Y_UNIT_TEST_SUITE(TConsoleTests) {
     }
 
     void RunTestAlterTenantModifyStorageResourcesForPending(TTenantTestRuntime& runtime) {
-        CheckCreateTenant(runtime, Ydb::StatusIds::SUCCESS, 
-            TCreateTenantRequest(TENANT1_1_NAME).WithPools({{"hdd", 1}, {"hdd-1", 3}})); 
+        CheckCreateTenant(runtime, Ydb::StatusIds::SUCCESS,
+            TCreateTenantRequest(TENANT1_1_NAME).WithPools({{"hdd", 1}, {"hdd-1", 3}}));
 
         CheckCounter(runtime, {{ {"kind", "hdd"} }}, TTenantsManager::COUNTER_REQUESTED_STORAGE_UNITS, 1);
         CheckCounter(runtime, {{ {"kind", "hdd"} }}, TTenantsManager::COUNTER_ALLOCATED_STORAGE_UNITS, 1);
@@ -1159,58 +1159,58 @@ Y_UNIT_TEST_SUITE(TConsoleTests) {
         RunTestAlterUnknownTenant(runtime);
     }
 
-    Y_UNIT_TEST(TestAlterStorageUnitsOfSharedTenant) { 
-        TTenantTestRuntime runtime(DefaultConsoleTestConfig(), {}, true); 
-        // create shared tenant 
-        RunTestCreateTenant(runtime, true); 
- 
-        // alter shared tenant (extend existent storage pool) 
-        CheckAlterTenantPools(runtime, TENANT1_1_NAME, Ydb::StatusIds::SUCCESS, 
-                              {{"hdd", 1}, {"hdd-1", 1}}, {}); 
-        // check status 
-        CheckTenantStatus(runtime, TENANT1_1_NAME, true, Ydb::StatusIds::SUCCESS, 
-                          Ydb::Cms::GetDatabaseStatusResult::RUNNING, 
-                          {{"hdd", 2, 2}, {"hdd-1", 3, 3}}, {}, 
-                          SLOT1_TYPE, ZONE1, 3, 3, 
-                          SLOT2_TYPE, ZONE1, 2, 2, 
-                          SLOT3_TYPE, ZONE1, 1, 1); 
-        // check counters 
-        CheckCounter(runtime, {}, TTenantsManager::COUNTER_ALTER_REQUESTS, 1); 
-        CheckCounter(runtime, {{ {"status", "SUCCESS"} }}, TTenantsManager::COUNTER_ALTER_RESPONSES, 1); 
- 
-        // alter shared tenant (add new storage pool) 
-        CheckAlterTenantPools(runtime, TENANT1_1_NAME, Ydb::StatusIds::UNSUPPORTED, 
-                              {{"hdd-2", 1}}, {}); 
-        // check counters 
-        CheckCounter(runtime, {}, TTenantsManager::COUNTER_ALTER_REQUESTS, 2); 
-        CheckCounter(runtime, {{ {"status", "UNSUPPORTED"} }}, TTenantsManager::COUNTER_ALTER_RESPONSES, 1); 
- 
-        // restart and try again 
-        RestartConsole(runtime); 
-        // alter shared tenant 
-        CheckAlterTenantPools(runtime, TENANT1_1_NAME, Ydb::StatusIds::UNSUPPORTED, 
-                              {{"hdd-2", 1}}, {}); 
-    } 
- 
-    Y_UNIT_TEST(TestAlterServerlessTenant) { 
-        TTenantTestRuntime runtime(DefaultConsoleTestConfig(), {}, true); 
-        // create shared tenant 
-        RunTestCreateTenant(runtime, true); 
-        // create serverless tenant 
-        CheckCreateTenant(runtime, Ydb::StatusIds::SUCCESS, 
-            TCreateTenantRequest(TENANT1_2_NAME) 
-                .WithSharedDbPath(TENANT1_1_NAME)); 
-        CheckTenantStatus(runtime, TENANT1_2_NAME, Ydb::StatusIds::SUCCESS, 
-                          Ydb::Cms::GetDatabaseStatusResult::RUNNING, {}, {}); 
-        // alter serverless tenant 
+    Y_UNIT_TEST(TestAlterStorageUnitsOfSharedTenant) {
+        TTenantTestRuntime runtime(DefaultConsoleTestConfig(), {}, true);
+        // create shared tenant
+        RunTestCreateTenant(runtime, true);
+
+        // alter shared tenant (extend existent storage pool)
+        CheckAlterTenantPools(runtime, TENANT1_1_NAME, Ydb::StatusIds::SUCCESS,
+                              {{"hdd", 1}, {"hdd-1", 1}}, {});
+        // check status
+        CheckTenantStatus(runtime, TENANT1_1_NAME, true, Ydb::StatusIds::SUCCESS,
+                          Ydb::Cms::GetDatabaseStatusResult::RUNNING,
+                          {{"hdd", 2, 2}, {"hdd-1", 3, 3}}, {},
+                          SLOT1_TYPE, ZONE1, 3, 3,
+                          SLOT2_TYPE, ZONE1, 2, 2,
+                          SLOT3_TYPE, ZONE1, 1, 1);
+        // check counters
+        CheckCounter(runtime, {}, TTenantsManager::COUNTER_ALTER_REQUESTS, 1);
+        CheckCounter(runtime, {{ {"status", "SUCCESS"} }}, TTenantsManager::COUNTER_ALTER_RESPONSES, 1);
+
+        // alter shared tenant (add new storage pool)
+        CheckAlterTenantPools(runtime, TENANT1_1_NAME, Ydb::StatusIds::UNSUPPORTED,
+                              {{"hdd-2", 1}}, {});
+        // check counters
+        CheckCounter(runtime, {}, TTenantsManager::COUNTER_ALTER_REQUESTS, 2);
+        CheckCounter(runtime, {{ {"status", "UNSUPPORTED"} }}, TTenantsManager::COUNTER_ALTER_RESPONSES, 1);
+
+        // restart and try again
+        RestartConsole(runtime);
+        // alter shared tenant
+        CheckAlterTenantPools(runtime, TENANT1_1_NAME, Ydb::StatusIds::UNSUPPORTED,
+                              {{"hdd-2", 1}}, {});
+    }
+
+    Y_UNIT_TEST(TestAlterServerlessTenant) {
+        TTenantTestRuntime runtime(DefaultConsoleTestConfig(), {}, true);
+        // create shared tenant
+        RunTestCreateTenant(runtime, true);
+        // create serverless tenant
+        CheckCreateTenant(runtime, Ydb::StatusIds::SUCCESS,
+            TCreateTenantRequest(TENANT1_2_NAME)
+                .WithSharedDbPath(TENANT1_1_NAME));
+        CheckTenantStatus(runtime, TENANT1_2_NAME, Ydb::StatusIds::SUCCESS,
+                          Ydb::Cms::GetDatabaseStatusResult::RUNNING, {}, {});
+        // alter serverless tenant
         CheckAlterTenantSlots(runtime, TENANT1_2_NAME, Ydb::StatusIds::BAD_REQUEST,
                         {{ {SLOT1_TYPE, ZONE_ANY, 1} }},
                         {});
-        // check counters 
-        CheckCounter(runtime, {}, TTenantsManager::COUNTER_ALTER_REQUESTS, 1); 
-        CheckCounter(runtime, {{ {"status", "BAD_REQUEST"} }}, TTenantsManager::COUNTER_ALTER_RESPONSES, 1); 
-    } 
- 
+        // check counters
+        CheckCounter(runtime, {}, TTenantsManager::COUNTER_ALTER_REQUESTS, 1);
+        CheckCounter(runtime, {{ {"status", "BAD_REQUEST"} }}, TTenantsManager::COUNTER_ALTER_RESPONSES, 1);
+    }
+
     void RunTestListTenants(TTenantTestRuntime& runtime) {
         CheckCreateTenant(runtime, TENANT1_1_NAME, Ydb::StatusIds::SUCCESS,
                           {{"hdd", 1}},
@@ -1522,26 +1522,26 @@ Y_UNIT_TEST_SUITE(TConsoleTests) {
         runtime.WaitForHiveState({{{DOMAIN1_NAME, 8, 8, 8},
                                    {TENANT1_1_NAME, 10, 10, 10}}});
 
-        CheckTenantStatus(runtime, TENANT1_1_NAME, Ydb::StatusIds::SUCCESS, 
-                          Ydb::Cms::GetDatabaseStatusResult::RUNNING, 
-                          {{"hdd", 1, 1}, {"hdd-1", 2, 2}}, {}, 
-                          SLOT1_TYPE, ZONE1, 3, 3, 
-                          SLOT2_TYPE, ZONE1, 2, 2, 
-                          SLOT3_TYPE, ZONE1, 1, 1); 
- 
+        CheckTenantStatus(runtime, TENANT1_1_NAME, Ydb::StatusIds::SUCCESS,
+                          Ydb::Cms::GetDatabaseStatusResult::RUNNING,
+                          {{"hdd", 1, 1}, {"hdd-1", 2, 2}}, {},
+                          SLOT1_TYPE, ZONE1, 3, 3,
+                          SLOT2_TYPE, ZONE1, 2, 2,
+                          SLOT3_TYPE, ZONE1, 1, 1);
+
         CheckAlterRegisteredUnits(runtime, TENANT1_1_NAME, Ydb::StatusIds::SUCCESS,
                                   {{ {"host1", 1, "kind1"},
                                     {"host2", 2, "kind2"} }},
                                   {});
 
-        CheckTenantStatus(runtime, TENANT1_1_NAME, Ydb::StatusIds::SUCCESS, 
-                          Ydb::Cms::GetDatabaseStatusResult::RUNNING, 
-                          {{"hdd", 1, 1}, {"hdd-1", 2, 2}}, 
-                          {{"host1", 1, "kind1"}, {"host2", 2, "kind2"}}, 
-                          SLOT1_TYPE, ZONE1, 3, 3, 
-                          SLOT2_TYPE, ZONE1, 2, 2, 
-                          SLOT3_TYPE, ZONE1, 1, 1); 
- 
+        CheckTenantStatus(runtime, TENANT1_1_NAME, Ydb::StatusIds::SUCCESS,
+                          Ydb::Cms::GetDatabaseStatusResult::RUNNING,
+                          {{"hdd", 1, 1}, {"hdd-1", 2, 2}},
+                          {{"host1", 1, "kind1"}, {"host2", 2, "kind2"}},
+                          SLOT1_TYPE, ZONE1, 3, 3,
+                          SLOT2_TYPE, ZONE1, 2, 2,
+                          SLOT3_TYPE, ZONE1, 1, 1);
+
         CheckRemoveTenant(runtime, TENANT1_1_NAME, Ydb::StatusIds::SUCCESS);
 
         CheckTenantStatus(runtime, TENANT1_1_NAME, Ydb::StatusIds::NOT_FOUND,
@@ -1566,13 +1566,13 @@ Y_UNIT_TEST_SUITE(TConsoleTests) {
         runtime.WaitForHiveState({{{DOMAIN1_NAME, 8, 8, 8},
                                    {TENANT1_1_NAME, 10, 10, 10}}});
 
-        CheckTenantStatus(runtime, TENANT1_1_NAME, Ydb::StatusIds::SUCCESS, 
-                          Ydb::Cms::GetDatabaseStatusResult::RUNNING, 
-                          {{"hdd", 1, 1}, {"hdd-1", 2, 2}}, {}, 
-                          SLOT1_TYPE, ZONE1, 3, 3, 
-                          SLOT2_TYPE, ZONE1, 2, 2, 
-                          SLOT3_TYPE, ZONE1, 1, 1); 
- 
+        CheckTenantStatus(runtime, TENANT1_1_NAME, Ydb::StatusIds::SUCCESS,
+                          Ydb::Cms::GetDatabaseStatusResult::RUNNING,
+                          {{"hdd", 1, 1}, {"hdd-1", 2, 2}}, {},
+                          SLOT1_TYPE, ZONE1, 3, 3,
+                          SLOT2_TYPE, ZONE1, 2, 2,
+                          SLOT3_TYPE, ZONE1, 1, 1);
+
         CheckRemoveTenant(runtime, TENANT1_1_NAME, Ydb::StatusIds::SUCCESS);
 
         // Restart to check we don't load any garbage for removed tenant.
@@ -1594,78 +1594,78 @@ Y_UNIT_TEST_SUITE(TConsoleTests) {
         RunTestRemoveTenant(runtime);
     }
 
-    Y_UNIT_TEST(TestRemoveSharedTenantWoServerlessTenants) { 
-        TTenantTestRuntime runtime(DefaultConsoleTestConfig(), {}, true); 
-        // create shared tenant 
-        RunTestCreateTenant(runtime, true); 
-        // remove shared tenant 
-        CheckRemoveTenant(runtime, TENANT1_1_NAME, Ydb::StatusIds::SUCCESS); 
-        CheckTenantStatus(runtime, TENANT1_1_NAME, Ydb::StatusIds::NOT_FOUND, 
-                          Ydb::Cms::GetDatabaseStatusResult::STATE_UNSPECIFIED, {}, {}); 
-        // check counters 
-        CheckCounter(runtime, {}, TTenantsManager::COUNTER_REMOVE_REQUESTS, 1); 
-        CheckCounter(runtime, {{ {"status", "SUCCESS"} }}, TTenantsManager::COUNTER_REMOVE_RESPONSES, 1); 
-    } 
- 
-    Y_UNIT_TEST(TestRemoveSharedTenantWithServerlessTenants) { 
-        TTenantTestRuntime runtime(DefaultConsoleTestConfig(), {}, true); 
-        // create shared tenant 
-        RunTestCreateTenant(runtime, true); 
-        // create serverless tenant 
-        CheckCreateTenant(runtime, Ydb::StatusIds::SUCCESS, 
-            TCreateTenantRequest(TENANT1_2_NAME) 
-                .WithSharedDbPath(TENANT1_1_NAME)); 
-        CheckTenantStatus(runtime, TENANT1_2_NAME, Ydb::StatusIds::SUCCESS, 
-                          Ydb::Cms::GetDatabaseStatusResult::RUNNING, {}, {}); 
-        // remove shared tenant 
-        CheckRemoveTenant(runtime, TENANT1_1_NAME, Ydb::StatusIds::PRECONDITION_FAILED); 
-        // check counters 
-        CheckCounter(runtime, {}, TTenantsManager::COUNTER_REMOVE_REQUESTS, 1); 
-        CheckCounter(runtime, {{ {"status", "PRECONDITION_FAILED"} }}, TTenantsManager::COUNTER_REMOVE_RESPONSES, 1); 
-    } 
- 
-    Y_UNIT_TEST(TestRemoveSharedTenantAfterRemoveServerlessTenant) { 
-        TTenantTestRuntime runtime(DefaultConsoleTestConfig(), {}, true); 
-        // create shared tenant 
-        RunTestCreateTenant(runtime, true); 
-        // create serverless tenant 
-        CheckCreateTenant(runtime, Ydb::StatusIds::SUCCESS, 
-            TCreateTenantRequest(TENANT1_2_NAME) 
-                .WithSharedDbPath(TENANT1_1_NAME)); 
-        CheckTenantStatus(runtime, TENANT1_2_NAME, Ydb::StatusIds::SUCCESS, 
-                          Ydb::Cms::GetDatabaseStatusResult::RUNNING, {}, {}); 
-        // remove serverless tenant 
-        CheckRemoveTenant(runtime, TENANT1_2_NAME, Ydb::StatusIds::SUCCESS); 
-        CheckTenantStatus(runtime, TENANT1_2_NAME, Ydb::StatusIds::NOT_FOUND, 
-                          Ydb::Cms::GetDatabaseStatusResult::STATE_UNSPECIFIED, {}, {}); 
-        // remove shared tenant 
-        CheckRemoveTenant(runtime, TENANT1_1_NAME, Ydb::StatusIds::SUCCESS); 
-        CheckTenantStatus(runtime, TENANT1_1_NAME, Ydb::StatusIds::NOT_FOUND, 
-                          Ydb::Cms::GetDatabaseStatusResult::STATE_UNSPECIFIED, {}, {}); 
-        // check counters 
-        CheckCounter(runtime, {}, TTenantsManager::COUNTER_REMOVE_REQUESTS, 2); 
-        CheckCounter(runtime, {{ {"status", "SUCCESS"} }}, TTenantsManager::COUNTER_REMOVE_RESPONSES, 2); 
-    } 
- 
-    Y_UNIT_TEST(TestRemoveServerlessTenant) { 
-        TTenantTestRuntime runtime(DefaultConsoleTestConfig(), {}, true); 
-        // create shared tenant 
-        RunTestCreateTenant(runtime, true); 
-        // create serverless tenant 
-        CheckCreateTenant(runtime, Ydb::StatusIds::SUCCESS, 
-            TCreateTenantRequest(TENANT1_2_NAME) 
-                .WithSharedDbPath(TENANT1_1_NAME)); 
-        CheckTenantStatus(runtime, TENANT1_2_NAME, Ydb::StatusIds::SUCCESS, 
-                          Ydb::Cms::GetDatabaseStatusResult::RUNNING, {}, {}); 
-        // remove serverless tenant 
-        CheckRemoveTenant(runtime, TENANT1_2_NAME, Ydb::StatusIds::SUCCESS); 
-        CheckTenantStatus(runtime, TENANT1_2_NAME, Ydb::StatusIds::NOT_FOUND, 
-                          Ydb::Cms::GetDatabaseStatusResult::STATE_UNSPECIFIED, {}, {}); 
-        // check counters 
-        CheckCounter(runtime, {}, TTenantsManager::COUNTER_REMOVE_REQUESTS, 1); 
-        CheckCounter(runtime, {{ {"status", "SUCCESS"} }}, TTenantsManager::COUNTER_REMOVE_RESPONSES, 1); 
-    } 
- 
+    Y_UNIT_TEST(TestRemoveSharedTenantWoServerlessTenants) {
+        TTenantTestRuntime runtime(DefaultConsoleTestConfig(), {}, true);
+        // create shared tenant
+        RunTestCreateTenant(runtime, true);
+        // remove shared tenant
+        CheckRemoveTenant(runtime, TENANT1_1_NAME, Ydb::StatusIds::SUCCESS);
+        CheckTenantStatus(runtime, TENANT1_1_NAME, Ydb::StatusIds::NOT_FOUND,
+                          Ydb::Cms::GetDatabaseStatusResult::STATE_UNSPECIFIED, {}, {});
+        // check counters
+        CheckCounter(runtime, {}, TTenantsManager::COUNTER_REMOVE_REQUESTS, 1);
+        CheckCounter(runtime, {{ {"status", "SUCCESS"} }}, TTenantsManager::COUNTER_REMOVE_RESPONSES, 1);
+    }
+
+    Y_UNIT_TEST(TestRemoveSharedTenantWithServerlessTenants) {
+        TTenantTestRuntime runtime(DefaultConsoleTestConfig(), {}, true);
+        // create shared tenant
+        RunTestCreateTenant(runtime, true);
+        // create serverless tenant
+        CheckCreateTenant(runtime, Ydb::StatusIds::SUCCESS,
+            TCreateTenantRequest(TENANT1_2_NAME)
+                .WithSharedDbPath(TENANT1_1_NAME));
+        CheckTenantStatus(runtime, TENANT1_2_NAME, Ydb::StatusIds::SUCCESS,
+                          Ydb::Cms::GetDatabaseStatusResult::RUNNING, {}, {});
+        // remove shared tenant
+        CheckRemoveTenant(runtime, TENANT1_1_NAME, Ydb::StatusIds::PRECONDITION_FAILED);
+        // check counters
+        CheckCounter(runtime, {}, TTenantsManager::COUNTER_REMOVE_REQUESTS, 1);
+        CheckCounter(runtime, {{ {"status", "PRECONDITION_FAILED"} }}, TTenantsManager::COUNTER_REMOVE_RESPONSES, 1);
+    }
+
+    Y_UNIT_TEST(TestRemoveSharedTenantAfterRemoveServerlessTenant) {
+        TTenantTestRuntime runtime(DefaultConsoleTestConfig(), {}, true);
+        // create shared tenant
+        RunTestCreateTenant(runtime, true);
+        // create serverless tenant
+        CheckCreateTenant(runtime, Ydb::StatusIds::SUCCESS,
+            TCreateTenantRequest(TENANT1_2_NAME)
+                .WithSharedDbPath(TENANT1_1_NAME));
+        CheckTenantStatus(runtime, TENANT1_2_NAME, Ydb::StatusIds::SUCCESS,
+                          Ydb::Cms::GetDatabaseStatusResult::RUNNING, {}, {});
+        // remove serverless tenant
+        CheckRemoveTenant(runtime, TENANT1_2_NAME, Ydb::StatusIds::SUCCESS);
+        CheckTenantStatus(runtime, TENANT1_2_NAME, Ydb::StatusIds::NOT_FOUND,
+                          Ydb::Cms::GetDatabaseStatusResult::STATE_UNSPECIFIED, {}, {});
+        // remove shared tenant
+        CheckRemoveTenant(runtime, TENANT1_1_NAME, Ydb::StatusIds::SUCCESS);
+        CheckTenantStatus(runtime, TENANT1_1_NAME, Ydb::StatusIds::NOT_FOUND,
+                          Ydb::Cms::GetDatabaseStatusResult::STATE_UNSPECIFIED, {}, {});
+        // check counters
+        CheckCounter(runtime, {}, TTenantsManager::COUNTER_REMOVE_REQUESTS, 2);
+        CheckCounter(runtime, {{ {"status", "SUCCESS"} }}, TTenantsManager::COUNTER_REMOVE_RESPONSES, 2);
+    }
+
+    Y_UNIT_TEST(TestRemoveServerlessTenant) {
+        TTenantTestRuntime runtime(DefaultConsoleTestConfig(), {}, true);
+        // create shared tenant
+        RunTestCreateTenant(runtime, true);
+        // create serverless tenant
+        CheckCreateTenant(runtime, Ydb::StatusIds::SUCCESS,
+            TCreateTenantRequest(TENANT1_2_NAME)
+                .WithSharedDbPath(TENANT1_1_NAME));
+        CheckTenantStatus(runtime, TENANT1_2_NAME, Ydb::StatusIds::SUCCESS,
+                          Ydb::Cms::GetDatabaseStatusResult::RUNNING, {}, {});
+        // remove serverless tenant
+        CheckRemoveTenant(runtime, TENANT1_2_NAME, Ydb::StatusIds::SUCCESS);
+        CheckTenantStatus(runtime, TENANT1_2_NAME, Ydb::StatusIds::NOT_FOUND,
+                          Ydb::Cms::GetDatabaseStatusResult::STATE_UNSPECIFIED, {}, {});
+        // check counters
+        CheckCounter(runtime, {}, TTenantsManager::COUNTER_REMOVE_REQUESTS, 1);
+        CheckCounter(runtime, {{ {"status", "SUCCESS"} }}, TTenantsManager::COUNTER_REMOVE_RESPONSES, 1);
+    }
+
     void RunTestCreateSubSubDomain(TTenantTestRuntime& runtime) {
         CheckCreateTenant(runtime, TENANT1_1_NAME, Ydb::StatusIds::SUCCESS,
                           {{"hdd", 1}, {"hdd-1", 2}},
@@ -1751,8 +1751,8 @@ Y_UNIT_TEST_SUITE(TConsoleTests) {
     Y_UNIT_TEST(TestRegisterComputationalUnitsForPending) {
         TTenantTestRuntime runtime(DefaultConsoleTestConfig());
 
-        CheckCreateTenant(runtime, Ydb::StatusIds::SUCCESS, 
-            TCreateTenantRequest(TENANT1_1_NAME).WithPools({{"hdd", 1}, {"hdd-1", 1}})); 
+        CheckCreateTenant(runtime, Ydb::StatusIds::SUCCESS,
+            TCreateTenantRequest(TENANT1_1_NAME).WithPools({{"hdd", 1}, {"hdd-1", 1}}));
 
         runtime.WaitForHiveState({{{DOMAIN1_NAME, 8, 8, 8}}});
 
@@ -1785,8 +1785,8 @@ Y_UNIT_TEST_SUITE(TConsoleTests) {
                           {{"hdd", 1, 1}, {"hdd-1", 1, 1}},
                           {{"host2", 2, "kind2"}, {"host3", 3, "kind2"}});
 
-        CheckCreateTenant(runtime, Ydb::StatusIds::SUCCESS, 
-            TCreateTenantRequest(TENANT1_2_NAME).WithPools({{"hdd", 1}, {"hdd-1", 1}})); 
+        CheckCreateTenant(runtime, Ydb::StatusIds::SUCCESS,
+            TCreateTenantRequest(TENANT1_2_NAME).WithPools({{"hdd", 1}, {"hdd-1", 1}}));
 
         CheckAlterRegisteredUnits(runtime, TENANT1_2_NAME, Ydb::StatusIds::SUCCESS,
                                   {{ {"host4", 4, "kind1"},
@@ -1935,11 +1935,11 @@ Y_UNIT_TEST_SUITE(TConsoleTests) {
         // with no TEvNotifyOperationCompletionResponse.
         CheckNotificationRequest(runtime, id, Ydb::StatusIds::GENERIC_ERROR);
 
-        CheckTenantStatus(runtime, TENANT1_1_NAME, Ydb::StatusIds::SUCCESS, 
-                          Ydb::Cms::GetDatabaseStatusResult::RUNNING, 
-                          {{"hdd", 1, 1}}, {}, 
-                          SLOT1_TYPE, ZONE1, 1, 1); 
- 
+        CheckTenantStatus(runtime, TENANT1_1_NAME, Ydb::StatusIds::SUCCESS,
+                          Ydb::Cms::GetDatabaseStatusResult::RUNNING,
+                          {{"hdd", 1, 1}}, {},
+                          SLOT1_TYPE, ZONE1, 1, 1);
+
         // Send tenant removal command and store operation id.
         runtime.SetObserverFunc(CatchPoolEvent(captured));
         id = SendTenantRemovalCommand(runtime, TENANT1_1_NAME);
@@ -2160,10 +2160,10 @@ Y_UNIT_TEST_SUITE(TConsoleTests) {
                           {{"hdd", 1}},
                           SLOT1_TYPE, ZONE1, 1);
         // Wrong request shouldn't eat quota.
-        CheckCreateTenant(runtime, Ydb::StatusIds::BAD_REQUEST, TCreateTenantRequest("")); 
+        CheckCreateTenant(runtime, Ydb::StatusIds::BAD_REQUEST, TCreateTenantRequest(""));
         // This one should fail on subdomain creation and then release quota.
-        CheckCreateTenant(runtime, Ydb::StatusIds::GENERIC_ERROR, 
-            TCreateTenantRequest(TENANT1_1_NAME + "/sub").WithPools({{"hdd", 1}})); 
+        CheckCreateTenant(runtime, Ydb::StatusIds::GENERIC_ERROR,
+            TCreateTenantRequest(TENANT1_1_NAME + "/sub").WithPools({{"hdd", 1}}));
         // Here status is received before tenant is completely removed.
         // Wait for complete removal.
         WaitForTenantStatus(runtime, TENANT1_1_NAME + "/sub", Ydb::StatusIds::NOT_FOUND);
@@ -2210,10 +2210,10 @@ Y_UNIT_TEST_SUITE(TConsoleTests) {
         CheckCreateTenant(runtime, TENANT1_1_NAME, Ydb::StatusIds::SUCCESS,
                           {{"hdd", 1}},
                           SLOT3_TYPE, ZONE_ANY, 5);
-        CheckTenantStatus(runtime, TENANT1_1_NAME, Ydb::StatusIds::SUCCESS, 
-                          Ydb::Cms::GetDatabaseStatusResult::RUNNING, 
-                          {{"hdd", 1, 1}}, {}, 
-                          SLOT3_TYPE, ZONE_ANY, 5, 5); 
+        CheckTenantStatus(runtime, TENANT1_1_NAME, Ydb::StatusIds::SUCCESS,
+                          Ydb::Cms::GetDatabaseStatusResult::RUNNING,
+                          {{"hdd", 1, 1}}, {},
+                          SLOT3_TYPE, ZONE_ANY, 5, 5);
         // Wrong request shouldn't eat quota.
         CheckCreateTenant(runtime, "", Ydb::StatusIds::BAD_REQUEST,
                           {{"hdd", 1}},
@@ -2224,16 +2224,16 @@ Y_UNIT_TEST_SUITE(TConsoleTests) {
                           SLOT2_TYPE, ZONE_ANY, 5);
         // Wait for complete tenant removal.
         WaitForTenantStatus(runtime, TENANT1_1_NAME + "/sub", Ydb::StatusIds::NOT_FOUND);
-        CheckTenantStatus(runtime, TENANT1_1_NAME + "/sub", Ydb::StatusIds::NOT_FOUND, 
-                          Ydb::Cms::GetDatabaseStatusResult::STATE_UNSPECIFIED, {}, {}); 
+        CheckTenantStatus(runtime, TENANT1_1_NAME + "/sub", Ydb::StatusIds::NOT_FOUND,
+                          Ydb::Cms::GetDatabaseStatusResult::STATE_UNSPECIFIED, {}, {});
         // OK.
         CheckCreateTenant(runtime, TENANT1_2_NAME, Ydb::StatusIds::SUCCESS,
                           {{"hdd", 1}},
                           SLOT2_TYPE, ZONE_ANY, 5);
-        CheckTenantStatus(runtime, TENANT1_2_NAME, Ydb::StatusIds::SUCCESS, 
-                          Ydb::Cms::GetDatabaseStatusResult::RUNNING, 
-                          {{"hdd", 1, 1}}, {}, 
-                          SLOT2_TYPE, ZONE_ANY, 5, 5); 
+        CheckTenantStatus(runtime, TENANT1_2_NAME, Ydb::StatusIds::SUCCESS,
+                          Ydb::Cms::GetDatabaseStatusResult::RUNNING,
+                          {{"hdd", 1, 1}}, {},
+                          SLOT2_TYPE, ZONE_ANY, 5, 5);
         // Out of quota.
         CheckCreateTenant(runtime, TENANT1_3_NAME, Ydb::StatusIds::UNAVAILABLE,
                           {{"hdd", 1}},
@@ -2254,23 +2254,23 @@ Y_UNIT_TEST_SUITE(TConsoleTests) {
         CheckAlterTenantSlots(runtime, TENANT1_2_NAME, Ydb::StatusIds::SUCCESS,
                               {{ {SLOT3_TYPE, ZONE_ANY, 1} }},
                               {});
-        CheckTenantStatus(runtime, TENANT1_2_NAME, Ydb::StatusIds::SUCCESS, 
-                          Ydb::Cms::GetDatabaseStatusResult::RUNNING, 
-                          {{"hdd", 1, 1}}, {}, 
-                          SLOT2_TYPE, ZONE_ANY, 5, 5, 
-                          SLOT3_TYPE, ZONE_ANY, 1, 1); 
+        CheckTenantStatus(runtime, TENANT1_2_NAME, Ydb::StatusIds::SUCCESS,
+                          Ydb::Cms::GetDatabaseStatusResult::RUNNING,
+                          {{"hdd", 1, 1}}, {},
+                          SLOT2_TYPE, ZONE_ANY, 5, 5,
+                          SLOT3_TYPE, ZONE_ANY, 1, 1);
         // Remove tenant to release some resources.
         CheckRemoveTenant(runtime, TENANT1_2_NAME, Ydb::StatusIds::SUCCESS);
-        CheckTenantStatus(runtime, TENANT1_2_NAME, Ydb::StatusIds::NOT_FOUND, 
-                          Ydb::Cms::GetDatabaseStatusResult::STATE_UNSPECIFIED, {}, {}); 
+        CheckTenantStatus(runtime, TENANT1_2_NAME, Ydb::StatusIds::NOT_FOUND,
+                          Ydb::Cms::GetDatabaseStatusResult::STATE_UNSPECIFIED, {}, {});
         // OK.
         CheckCreateTenant(runtime, TENANT1_3_NAME, Ydb::StatusIds::SUCCESS,
                           {{"hdd", 1}},
                           SLOT2_TYPE, ZONE_ANY, 6);
-        CheckTenantStatus(runtime, TENANT1_3_NAME, Ydb::StatusIds::SUCCESS, 
-                          Ydb::Cms::GetDatabaseStatusResult::RUNNING, 
-                          {{"hdd", 1, 1}}, {}, 
-                          SLOT2_TYPE, ZONE_ANY, 6, 6); 
+        CheckTenantStatus(runtime, TENANT1_3_NAME, Ydb::StatusIds::SUCCESS,
+                          Ydb::Cms::GetDatabaseStatusResult::RUNNING,
+                          {{"hdd", 1, 1}}, {},
+                          SLOT2_TYPE, ZONE_ANY, 6, 6);
         // Out of quota.
         CheckAlterTenantSlots(runtime, TENANT1_1_NAME, Ydb::StatusIds::UNAVAILABLE,
                               {{ {SLOT3_TYPE, ZONE_ANY, 1} }},
@@ -2308,10 +2308,10 @@ Y_UNIT_TEST_SUITE(TConsoleTests) {
         CheckCreateTenant(runtime, TENANT1_1_NAME, Ydb::StatusIds::SUCCESS,
                           {{"hdd", 1}},
                           SLOT2_TYPE, ZONE_ANY, 5);
-        CheckTenantStatus(runtime, TENANT1_1_NAME, Ydb::StatusIds::SUCCESS, 
-                          Ydb::Cms::GetDatabaseStatusResult::RUNNING, 
-                          {{"hdd", 1, 1}}, {}, 
-                          SLOT2_TYPE, ZONE_ANY, 5, 5); 
+        CheckTenantStatus(runtime, TENANT1_1_NAME, Ydb::StatusIds::SUCCESS,
+                          Ydb::Cms::GetDatabaseStatusResult::RUNNING,
+                          {{"hdd", 1, 1}}, {},
+                          SLOT2_TYPE, ZONE_ANY, 5, 5);
         // Out of quota for SLOT2_TYPE.
         CheckCreateTenant(runtime, TENANT1_2_NAME, Ydb::StatusIds::UNAVAILABLE,
                           {{"hdd", 1}},
@@ -2320,10 +2320,10 @@ Y_UNIT_TEST_SUITE(TConsoleTests) {
         CheckCreateTenant(runtime, TENANT1_2_NAME, Ydb::StatusIds::SUCCESS,
                           {{"hdd", 1}},
                           SLOT2_TYPE, ZONE1, 1);
-        CheckTenantStatus(runtime, TENANT1_2_NAME, Ydb::StatusIds::SUCCESS, 
-                          Ydb::Cms::GetDatabaseStatusResult::RUNNING, 
-                          {{"hdd", 1, 1}}, {}, 
-                          SLOT2_TYPE, ZONE1, 1, 1); 
+        CheckTenantStatus(runtime, TENANT1_2_NAME, Ydb::StatusIds::SUCCESS,
+                          Ydb::Cms::GetDatabaseStatusResult::RUNNING,
+                          {{"hdd", 1, 1}}, {},
+                          SLOT2_TYPE, ZONE1, 1, 1);
         // Out of total quota.
         CheckCreateTenant(runtime, TENANT1_3_NAME, Ydb::StatusIds::UNAVAILABLE,
                           {{"hdd", 1}},
@@ -2332,10 +2332,10 @@ Y_UNIT_TEST_SUITE(TConsoleTests) {
         CheckCreateTenant(runtime, TENANT1_3_NAME, Ydb::StatusIds::SUCCESS,
                           {{"hdd", 1}},
                           "any", ZONE_ANY, 12);
-        CheckTenantStatus(runtime, TENANT1_3_NAME, Ydb::StatusIds::SUCCESS, 
-                          Ydb::Cms::GetDatabaseStatusResult::RUNNING, 
-                          {{"hdd", 1, 1}}, {}, 
-                          "any", ZONE_ANY, 12, 12); 
+        CheckTenantStatus(runtime, TENANT1_3_NAME, Ydb::StatusIds::SUCCESS,
+                          Ydb::Cms::GetDatabaseStatusResult::RUNNING,
+                          {{"hdd", 1, 1}}, {},
+                          "any", ZONE_ANY, 12, 12);
 
         CheckCounter(runtime, {{ {"kind", SLOT2_TYPE}, {"zone", ZONE_ANY } }}, TTenantsManager::COUNTER_COMPUTATIONAL_UNITS, 5);
         CheckCounter(runtime, {{ {"kind", SLOT2_TYPE}, {"zone", ZONE1 } }}, TTenantsManager::COUNTER_COMPUTATIONAL_UNITS, 1);
@@ -2357,11 +2357,11 @@ Y_UNIT_TEST_SUITE(TConsoleTests) {
         CheckAlterTenantSlots(runtime, TENANT1_3_NAME, Ydb::StatusIds::SUCCESS,
                               {{ {SLOT2_TYPE, ZONE_ANY, 1} }},
                               {{ {"any", ZONE_ANY, 1} }});
-        CheckTenantStatus(runtime, TENANT1_3_NAME, Ydb::StatusIds::SUCCESS, 
-                          Ydb::Cms::GetDatabaseStatusResult::RUNNING, 
-                          {{"hdd", 1, 1}}, {}, 
-                          "any", ZONE_ANY, 11, 11, 
-                          SLOT2_TYPE, ZONE_ANY, 1, 1); 
+        CheckTenantStatus(runtime, TENANT1_3_NAME, Ydb::StatusIds::SUCCESS,
+                          Ydb::Cms::GetDatabaseStatusResult::RUNNING,
+                          {{"hdd", 1, 1}}, {},
+                          "any", ZONE_ANY, 11, 11,
+                          SLOT2_TYPE, ZONE_ANY, 1, 1);
 
         CheckCounter(runtime, {{ {"kind", SLOT2_TYPE}, {"zone", ZONE_ANY } }}, TTenantsManager::COUNTER_COMPUTATIONAL_UNITS, 5);
         CheckCounter(runtime, {{ {"kind", SLOT2_TYPE}, {"zone", ZONE1 } }}, TTenantsManager::COUNTER_COMPUTATIONAL_UNITS, 1);
@@ -2369,8 +2369,8 @@ Y_UNIT_TEST_SUITE(TConsoleTests) {
 
         // Remove tenant to release some resources.
         CheckRemoveTenant(runtime, TENANT1_3_NAME, Ydb::StatusIds::SUCCESS);
-        CheckTenantStatus(runtime, TENANT1_3_NAME, Ydb::StatusIds::NOT_FOUND, 
-                          Ydb::Cms::GetDatabaseStatusResult::STATE_UNSPECIFIED, {}, {}); 
+        CheckTenantStatus(runtime, TENANT1_3_NAME, Ydb::StatusIds::NOT_FOUND,
+                          Ydb::Cms::GetDatabaseStatusResult::STATE_UNSPECIFIED, {}, {});
 
         CheckCounter(runtime, {{ {"kind", SLOT2_TYPE}, {"zone", ZONE_ANY } }}, TTenantsManager::COUNTER_COMPUTATIONAL_UNITS, 4);
         CheckCounter(runtime, {{ {"kind", SLOT2_TYPE}, {"zone", ZONE1 } }}, TTenantsManager::COUNTER_COMPUTATIONAL_UNITS, 1);
diff --git a/ydb/core/cms/console/log_settings_configurator_ut.cpp b/ydb/core/cms/console/log_settings_configurator_ut.cpp
index 844c334cee..03b52e2717 100644
--- a/ydb/core/cms/console/log_settings_configurator_ut.cpp
+++ b/ydb/core/cms/console/log_settings_configurator_ut.cpp
@@ -62,12 +62,12 @@ NKikimrConsole::TConfigItem ITEM_TENANT2_TYPE1_LOG_1;
 TVector<TComponentSettings>
 InitLogSettingsConfigurator(TTenantTestRuntime &runtime)
 {
-    CheckCreateTenant(runtime, Ydb::StatusIds::SUCCESS, 
-        TCreateTenantRequest(TENANT1_1_NAME) 
-            .WithPools({{"hdd", 1}})); 
-    CheckCreateTenant(runtime, Ydb::StatusIds::SUCCESS, 
-        TCreateTenantRequest(TENANT1_2_NAME) 
-            .WithPools({{"hdd", 1}})); 
+    CheckCreateTenant(runtime, Ydb::StatusIds::SUCCESS,
+        TCreateTenantRequest(TENANT1_1_NAME)
+            .WithPools({{"hdd", 1}}));
+    CheckCreateTenant(runtime, Ydb::StatusIds::SUCCESS,
+        TCreateTenantRequest(TENANT1_2_NAME)
+            .WithPools({{"hdd", 1}}));
 
     ChangeTenant(runtime, TENANT1_1_NAME);
 
diff --git a/ydb/core/cms/console/ut_helpers.h b/ydb/core/cms/console/ut_helpers.h
index ff3101752c..9faf6468fa 100644
--- a/ydb/core/cms/console/ut_helpers.h
+++ b/ydb/core/cms/console/ut_helpers.h
@@ -231,11 +231,11 @@ void CheckListConfigSubscriptions(TTenantTestRuntime &runtime, Ydb::StatusIds::S
 inline bool CompareState(THashMap<std::pair<TString, TString>, TSlotState> slots,
                          THashMap<TString, TPoolAllocation> pools,
                          THashMap<std::pair<TString, ui32>, TUnitRegistration> registrations,
-                         const Ydb::Cms::GetDatabaseStatusResult &status, bool shared = false) 
+                         const Ydb::Cms::GetDatabaseStatusResult &status, bool shared = false)
 {
-    const auto& resources = shared ? status.required_shared_resources() : status.required_resources(); 
- 
-    for (auto &unit : resources.computational_units()) { 
+    const auto& resources = shared ? status.required_shared_resources() : status.required_resources();
+
+    for (auto &unit : resources.computational_units()) {
         auto key = std::make_pair(unit.unit_kind(), unit.availability_zone());
         auto count = unit.count();
         if (!slots.contains(key))
@@ -245,7 +245,7 @@ inline bool CompareState(THashMap<std::pair<TString, TString>, TSlotState> slots
         slots[key].Required = 0;
     }
 
-    for (auto &unit : resources.storage_units()) { 
+    for (auto &unit : resources.storage_units()) {
         auto key = unit.unit_kind();
         auto size = unit.count();
         if (!pools.contains(key))
@@ -301,7 +301,7 @@ inline bool CompareState(THashMap<std::pair<TString, TString>, TSlotState> slots
 }
 
 template <typename ...Ts>
-void CheckTenantStatus(TTenantTestRuntime &runtime, const TString &path, bool shared, 
+void CheckTenantStatus(TTenantTestRuntime &runtime, const TString &path, bool shared,
                        Ydb::StatusIds::StatusCode code,
                        Ydb::Cms::GetDatabaseStatusResult::State state,
                        TVector<TPoolAllocation> poolTypes,
@@ -337,7 +337,7 @@ void CheckTenantStatus(TTenantTestRuntime &runtime, const TString &path, bool sh
 
         UNIT_ASSERT_VALUES_EQUAL(status.path(), CanonizePath(path));
 
-        ok = status.state() == state && CompareState(slots, pools, registrations, status, shared); 
+        ok = status.state() == state && CompareState(slots, pools, registrations, status, shared);
         if (!ok) {
             TDispatchOptions options;
             options.FinalEvents.emplace_back(NConsole::TTenantsManager::TEvPrivate::EvRetryAllocateResources);
@@ -353,17 +353,17 @@ void CheckTenantStatus(TTenantTestRuntime &runtime, const TString &path, bool sh
     }
 }
 
-template <typename ...Ts> 
-void CheckTenantStatus(TTenantTestRuntime &runtime, const TString &path, 
-                       Ydb::StatusIds::StatusCode code, 
-                       Ydb::Cms::GetDatabaseStatusResult::State state, 
-                       TVector<TPoolAllocation> poolTypes, 
-                       TVector<TUnitRegistration> unitRegistrations, 
-                       Ts... args) 
-{ 
-    CheckTenantStatus(runtime, path, false, code, state, poolTypes, unitRegistrations, args...); 
-} 
- 
+template <typename ...Ts>
+void CheckTenantStatus(TTenantTestRuntime &runtime, const TString &path,
+                       Ydb::StatusIds::StatusCode code,
+                       Ydb::Cms::GetDatabaseStatusResult::State state,
+                       TVector<TPoolAllocation> poolTypes,
+                       TVector<TUnitRegistration> unitRegistrations,
+                       Ts... args)
+{
+    CheckTenantStatus(runtime, path, false, code, state, poolTypes, unitRegistrations, args...);
+}
+
 inline void WaitForTenantStatus(TTenantTestRuntime &runtime,
                                 const TString &path,
                                 Ydb::StatusIds::StatusCode code)
diff --git a/ydb/core/cms/http.cpp b/ydb/core/cms/http.cpp
index fcca57b1b8..648d864b6e 100644
--- a/ydb/core/cms/http.cpp
+++ b/ydb/core/cms/http.cpp
@@ -140,37 +140,37 @@ private:
         ctx.Send(ev->Sender, new NMon::TEvHttpInfoRes(response.Str(), 0, NMon::IEvHttpInfoRes::EContentType::Custom));
     }
 
-    static TString DumpRequest(const NMonitoring::IMonHttpRequest& request) { 
-        TStringBuilder result; 
-        result << "{"; 
- 
-        result << " Method: " << request.GetMethod() 
-               << " Uri: " << request.GetUri(); 
- 
-        result << " Headers {"; 
-        for (const auto& header : request.GetHeaders()) { 
+    static TString DumpRequest(const NMonitoring::IMonHttpRequest& request) {
+        TStringBuilder result;
+        result << "{";
+
+        result << " Method: " << request.GetMethod()
+               << " Uri: " << request.GetUri();
+
+        result << " Headers {";
+        for (const auto& header : request.GetHeaders()) {
             if (stricmp(header.Name().data(), "Authorization") == 0) {
-                continue; 
-            } 
- 
-            result << " " << header.ToString(); 
-        } 
-        result << " }"; 
- 
-        result << " Body: " << request.GetPostContent().Head(1000); 
- 
-        result << " }"; 
-        return result; 
-    } 
- 
+                continue;
+            }
+
+            result << " " << header.ToString();
+        }
+        result << " }";
+
+        result << " Body: " << request.GetPostContent().Head(1000);
+
+        result << " }";
+        return result;
+    }
+
     void Handle(NMon::TEvHttpInfo::TPtr &ev, const TActorContext &ctx)
     {
         Y_UNUSED(ctx);
 
         NMon::TEvHttpInfo *msg = ev->Get();
 
-        LOG_DEBUG_S(ctx, NKikimrServices::CMS, "HTTP request" 
-            << ": dump# " << DumpRequest(msg->Request)); 
+        LOG_DEBUG_S(ctx, NKikimrServices::CMS, "HTTP request"
+            << ": dump# " << DumpRequest(msg->Request));
 
         // Check for API call.
         if (msg->Request.GetPathInfo().StartsWith("/api/")) {
diff --git a/ydb/core/cms/info_collector.cpp b/ydb/core/cms/info_collector.cpp
index d1d9bc06ae..02766b3e49 100644
--- a/ydb/core/cms/info_collector.cpp
+++ b/ydb/core/cms/info_collector.cpp
@@ -1,435 +1,435 @@
 #include "cms_impl.h"
-#include "info_collector.h" 
+#include "info_collector.h"
 
 #include <ydb/core/base/tablet_pipe.h>
 #include <ydb/core/blobstorage/base/blobstorage_events.h>
 #include <ydb/core/mind/tenant_pool.h>
 #include <ydb/core/node_whiteboard/node_whiteboard.h>
 
-#include <library/cpp/actors/core/actor_bootstrapped.h> 
-#include <library/cpp/actors/core/hfunc.h> 
-#include <library/cpp/actors/core/interconnect.h> 
-#include <library/cpp/actors/core/log.h> 
- 
-#define LOG_T(stream) LOG_TRACE_S (*TlsActivationContext, NKikimrServices::CMS, "[InfoCollector] " << stream) 
-#define LOG_D(stream) LOG_DEBUG_S (*TlsActivationContext, NKikimrServices::CMS, "[InfoCollector] " << stream) 
-#define LOG_I(stream) LOG_INFO_S  (*TlsActivationContext, NKikimrServices::CMS, "[InfoCollector] " << stream) 
-#define LOG_N(stream) LOG_NOTICE_S(*TlsActivationContext, NKikimrServices::CMS, "[InfoCollector] " << stream) 
-#define LOG_W(stream) LOG_WARN_S  (*TlsActivationContext, NKikimrServices::CMS, "[InfoCollector] " << stream) 
-#define LOG_E(stream) LOG_ERROR_S (*TlsActivationContext, NKikimrServices::CMS, "[InfoCollector] " << stream) 
- 
+#include <library/cpp/actors/core/actor_bootstrapped.h>
+#include <library/cpp/actors/core/hfunc.h>
+#include <library/cpp/actors/core/interconnect.h>
+#include <library/cpp/actors/core/log.h>
+
+#define LOG_T(stream) LOG_TRACE_S (*TlsActivationContext, NKikimrServices::CMS, "[InfoCollector] " << stream)
+#define LOG_D(stream) LOG_DEBUG_S (*TlsActivationContext, NKikimrServices::CMS, "[InfoCollector] " << stream)
+#define LOG_I(stream) LOG_INFO_S  (*TlsActivationContext, NKikimrServices::CMS, "[InfoCollector] " << stream)
+#define LOG_N(stream) LOG_NOTICE_S(*TlsActivationContext, NKikimrServices::CMS, "[InfoCollector] " << stream)
+#define LOG_W(stream) LOG_WARN_S  (*TlsActivationContext, NKikimrServices::CMS, "[InfoCollector] " << stream)
+#define LOG_E(stream) LOG_ERROR_S (*TlsActivationContext, NKikimrServices::CMS, "[InfoCollector] " << stream)
+
 namespace NKikimr {
 namespace NCms {
 
-using namespace NNodeWhiteboard; 
-using namespace NKikimrWhiteboard; 
-
-class TInfoCollector: public TActorBootstrapped<TInfoCollector> { 
-public: 
-    static constexpr NKikimrServices::TActivity::EType ActorActivityType() { 
-        return NKikimrServices::TActivity::CMS_INFO_COLLECTOR; 
-    } 
-
-    explicit TInfoCollector(const TActorId& client, const TDuration& timeout) 
-        : Client(client) 
-        , Timeout(timeout) 
-        , Info(new TClusterInfo) 
-        , BaseConfigReceived(false) 
-    { 
+using namespace NNodeWhiteboard;
+using namespace NKikimrWhiteboard;
+
+class TInfoCollector: public TActorBootstrapped<TInfoCollector> {
+public:
+    static constexpr NKikimrServices::TActivity::EType ActorActivityType() {
+        return NKikimrServices::TActivity::CMS_INFO_COLLECTOR;
+    }
+
+    explicit TInfoCollector(const TActorId& client, const TDuration& timeout)
+        : Client(client)
+        , Timeout(timeout)
+        , Info(new TClusterInfo)
+        , BaseConfigReceived(false)
+    {
     }
 
-    void Bootstrap(); 
-
-private: 
-    STATEFN(StateWork) { 
-        switch (ev->GetTypeRewrite()) { 
-            sFunc(TEvents::TEvWakeup, ReplyAndDie); 
- 
-            // Nodes 
-            hFunc(TEvInterconnect::TEvNodesInfo, Handle); 
- 
-            // BSC 
-            hFunc(TEvBlobStorage::TEvControllerConfigResponse, Handle); 
-            hFunc(TEvTabletPipe::TEvClientConnected, Handle); 
-            hFunc(TEvTabletPipe::TEvClientDestroyed, Handle); 
- 
-            // Whiteboard & TenantPool 
-            hFunc(TEvWhiteboard::TEvSystemStateResponse, Handle); 
-            hFunc(TEvWhiteboard::TEvTabletStateResponse, Handle); 
-            hFunc(TEvWhiteboard::TEvPDiskStateResponse, Handle); 
-            hFunc(TEvWhiteboard::TEvVDiskStateResponse, Handle); 
-            hFunc(TEvTenantPool::TEvTenantPoolStatus, Handle); 
-            hFunc(TEvents::TEvUndelivered, Handle); 
-            hFunc(TEvInterconnect::TEvNodeDisconnected, Handle); 
-            IgnoreFunc(TEvInterconnect::TEvNodeConnected); 
- 
-        default: 
-            LOG_E("Unexpected event" 
-                << ": type# " << ev->GetTypeRewrite() 
-                << ", event# " << (ev->HasEvent() ? ev->GetBase()->ToString() : "serialized?")); 
-        } 
+    void Bootstrap();
+
+private:
+    STATEFN(StateWork) {
+        switch (ev->GetTypeRewrite()) {
+            sFunc(TEvents::TEvWakeup, ReplyAndDie);
+
+            // Nodes
+            hFunc(TEvInterconnect::TEvNodesInfo, Handle);
+
+            // BSC
+            hFunc(TEvBlobStorage::TEvControllerConfigResponse, Handle);
+            hFunc(TEvTabletPipe::TEvClientConnected, Handle);
+            hFunc(TEvTabletPipe::TEvClientDestroyed, Handle);
+
+            // Whiteboard & TenantPool
+            hFunc(TEvWhiteboard::TEvSystemStateResponse, Handle);
+            hFunc(TEvWhiteboard::TEvTabletStateResponse, Handle);
+            hFunc(TEvWhiteboard::TEvPDiskStateResponse, Handle);
+            hFunc(TEvWhiteboard::TEvVDiskStateResponse, Handle);
+            hFunc(TEvTenantPool::TEvTenantPoolStatus, Handle);
+            hFunc(TEvents::TEvUndelivered, Handle);
+            hFunc(TEvInterconnect::TEvNodeDisconnected, Handle);
+            IgnoreFunc(TEvInterconnect::TEvNodeConnected);
+
+        default:
+            LOG_E("Unexpected event"
+                << ": type# " << ev->GetTypeRewrite()
+                << ", event# " << (ev->HasEvent() ? ev->GetBase()->ToString() : "serialized?"));
+        }
     }
 
-    void ReplyAndDie(); 
-    void MaybeReplyAndDie(); 
-    void PassAway() override; 
-
-    // Nodes 
-    void Handle(TEvInterconnect::TEvNodesInfo::TPtr& ev); 
-
-    // BSC 
-    void RequestBaseConfig(); 
-    void Handle(TEvBlobStorage::TEvControllerConfigResponse::TPtr& ev); 
-    void Handle(TEvTabletPipe::TEvClientConnected::TPtr& ev); 
-    void Handle(TEvTabletPipe::TEvClientDestroyed::TPtr& ev); 
-    void OnPipeDestroyed(); 
-
-    // Whiteboard & TenantPool 
-    void SendNodeRequests(ui32 nodeId); 
-    void SendNodeEvent(ui32 nodeId, const TActorId& recipient, IEventBase* request, ui32 responseType); 
-    bool IsNodeInfoRequired(ui32 nodeId, ui32 eventType) const; 
-    void ResponseProcessed(ui32 nodeId, ui32 eventType); 
-    void Handle(TEvWhiteboard::TEvSystemStateResponse::TPtr& ev); 
-    void Handle(TEvWhiteboard::TEvTabletStateResponse::TPtr& ev); 
-    void Handle(TEvWhiteboard::TEvPDiskStateResponse::TPtr& ev); 
-    void Handle(TEvWhiteboard::TEvVDiskStateResponse::TPtr& ev); 
-    void Handle(TEvTenantPool::TEvTenantPoolStatus::TPtr& ev); 
-    void Handle(TEvents::TEvUndelivered::TPtr& ev); 
-    void Handle(TEvInterconnect::TEvNodeDisconnected::TPtr& ev); 
-
-private: 
-    const TActorId Client; 
-    const TDuration Timeout; 
-
-    TClusterInfoPtr Info; 
-    TActorId BscPipe; 
-    bool BaseConfigReceived; 
-    THashMap<ui32, TSet<ui32>> NodeEvents; // nodeId -> expected events 
-    THashMap<TPDiskID, TPDiskStateInfo, TPDiskIDHash> PDiskInfo; 
-    THashMap<TVDiskID, TVDiskStateInfo> VDiskInfo; 
-
-}; // TInfoCollector 
-
-void TInfoCollector::ReplyAndDie() { 
-    auto ev = MakeHolder<TCms::TEvPrivate::TEvClusterInfo>(); 
-    ev->Success = BaseConfigReceived; 
-
-    if (BaseConfigReceived) { 
-        for (const auto& [id, info] : PDiskInfo) { 
-            Info->UpdatePDiskState(id, info); 
-        } 
-
-        for (const auto& [id, info] : VDiskInfo) { 
-            Info->UpdateVDiskState(id, info); 
-        } 
-
-        ev->Info = Info; 
-        ev->Info->SetTimestamp(TlsActivationContext->Now()); 
+    void ReplyAndDie();
+    void MaybeReplyAndDie();
+    void PassAway() override;
+
+    // Nodes
+    void Handle(TEvInterconnect::TEvNodesInfo::TPtr& ev);
+
+    // BSC
+    void RequestBaseConfig();
+    void Handle(TEvBlobStorage::TEvControllerConfigResponse::TPtr& ev);
+    void Handle(TEvTabletPipe::TEvClientConnected::TPtr& ev);
+    void Handle(TEvTabletPipe::TEvClientDestroyed::TPtr& ev);
+    void OnPipeDestroyed();
+
+    // Whiteboard & TenantPool
+    void SendNodeRequests(ui32 nodeId);
+    void SendNodeEvent(ui32 nodeId, const TActorId& recipient, IEventBase* request, ui32 responseType);
+    bool IsNodeInfoRequired(ui32 nodeId, ui32 eventType) const;
+    void ResponseProcessed(ui32 nodeId, ui32 eventType);
+    void Handle(TEvWhiteboard::TEvSystemStateResponse::TPtr& ev);
+    void Handle(TEvWhiteboard::TEvTabletStateResponse::TPtr& ev);
+    void Handle(TEvWhiteboard::TEvPDiskStateResponse::TPtr& ev);
+    void Handle(TEvWhiteboard::TEvVDiskStateResponse::TPtr& ev);
+    void Handle(TEvTenantPool::TEvTenantPoolStatus::TPtr& ev);
+    void Handle(TEvents::TEvUndelivered::TPtr& ev);
+    void Handle(TEvInterconnect::TEvNodeDisconnected::TPtr& ev);
+
+private:
+    const TActorId Client;
+    const TDuration Timeout;
+
+    TClusterInfoPtr Info;
+    TActorId BscPipe;
+    bool BaseConfigReceived;
+    THashMap<ui32, TSet<ui32>> NodeEvents; // nodeId -> expected events
+    THashMap<TPDiskID, TPDiskStateInfo, TPDiskIDHash> PDiskInfo;
+    THashMap<TVDiskID, TVDiskStateInfo> VDiskInfo;
+
+}; // TInfoCollector
+
+void TInfoCollector::ReplyAndDie() {
+    auto ev = MakeHolder<TCms::TEvPrivate::TEvClusterInfo>();
+    ev->Success = BaseConfigReceived;
+
+    if (BaseConfigReceived) {
+        for (const auto& [id, info] : PDiskInfo) {
+            Info->UpdatePDiskState(id, info);
+        }
+
+        for (const auto& [id, info] : VDiskInfo) {
+            Info->UpdateVDiskState(id, info);
+        }
+
+        ev->Info = Info;
+        ev->Info->SetTimestamp(TlsActivationContext->Now());
     }
 
-    Send(Client, std::move(ev)); 
-    PassAway(); 
+    Send(Client, std::move(ev));
+    PassAway();
 }
 
-void TInfoCollector::MaybeReplyAndDie() { 
-    if (!BaseConfigReceived) { 
+void TInfoCollector::MaybeReplyAndDie() {
+    if (!BaseConfigReceived) {
         return;
-    } 
+    }
 
-    for (const auto& [nodeId, events] : NodeEvents) { 
-        if (!events.empty()) { 
+    for (const auto& [nodeId, events] : NodeEvents) {
+        if (!events.empty()) {
             return;
-        } 
-    } 
- 
-    ReplyAndDie(); 
+        }
+    }
+
+    ReplyAndDie();
 }
 
-void TInfoCollector::PassAway() { 
-    for (const auto& [nodeId, _] : NodeEvents) { 
-        Send(TActivationContext::InterconnectProxy(nodeId), new TEvents::TEvUnsubscribe()); 
-    } 
- 
-    if (BscPipe) { 
-        NTabletPipe::CloseAndForgetClient(SelfId(), BscPipe); 
-    } 
- 
-    TActorBootstrapped::PassAway(); 
+void TInfoCollector::PassAway() {
+    for (const auto& [nodeId, _] : NodeEvents) {
+        Send(TActivationContext::InterconnectProxy(nodeId), new TEvents::TEvUnsubscribe());
+    }
+
+    if (BscPipe) {
+        NTabletPipe::CloseAndForgetClient(SelfId(), BscPipe);
+    }
+
+    TActorBootstrapped::PassAway();
 }
 
-void TInfoCollector::Bootstrap() { 
-    Send(GetNameserviceActorId(), new TEvInterconnect::TEvListNodes()); 
-    Schedule(Timeout, new TEvents::TEvWakeup()); 
-    Become(&TThis::StateWork); 
-} 
+void TInfoCollector::Bootstrap() {
+    Send(GetNameserviceActorId(), new TEvInterconnect::TEvListNodes());
+    Schedule(Timeout, new TEvents::TEvWakeup());
+    Become(&TThis::StateWork);
+}
 
-void TInfoCollector::Handle(TEvInterconnect::TEvNodesInfo::TPtr& ev) { 
-    RequestBaseConfig(); 
+void TInfoCollector::Handle(TEvInterconnect::TEvNodesInfo::TPtr& ev) {
+    RequestBaseConfig();
 
-    for (const auto& node : ev->Get()->Nodes) { 
-        Info->AddNode(node, &TlsActivationContext->AsActorContext()); 
-        SendNodeRequests(node.NodeId); 
+    for (const auto& node : ev->Get()->Nodes) {
+        Info->AddNode(node, &TlsActivationContext->AsActorContext());
+        SendNodeRequests(node.NodeId);
     }
-} 
-
-void TInfoCollector::RequestBaseConfig() { 
-    using namespace NTabletPipe; 
- 
-    const auto domains = AppData()->DomainsInfo->Domains; 
-    Y_VERIFY(domains.size() <= 1); 
- 
-    for (const auto& domain : domains) { 
-        const auto bscId = MakeBSControllerID(domain.second->DefaultStateStorageGroup); 
-        BscPipe = Register(CreateClient(SelfId(), bscId, TClientConfig(TClientRetryPolicy::WithRetries()))); 
- 
-        auto ev = MakeHolder<TEvBlobStorage::TEvControllerConfigRequest>(); 
-        ev->Record.MutableRequest()->AddCommand()->MutableQueryBaseConfig(); 
-        SendData(SelfId(), BscPipe, ev.Release()); 
-    } 
 }
 
-void TInfoCollector::Handle(TEvBlobStorage::TEvControllerConfigResponse::TPtr& ev) { 
-    const auto& record = ev->Get()->Record.GetResponse(); 
-    LOG_D("Got base config" 
-        << ": record# " << record.ShortDebugString()); 
-
-    if (!record.GetSuccess() || !record.StatusSize() || !record.GetStatus(0).GetSuccess()) { 
-        LOG_E("Couldn't get base config"); 
-        ReplyAndDie(); 
-    } else { 
-        BaseConfigReceived = true; 
-
-        for (const auto& pdisk : record.GetStatus(0).GetBaseConfig().GetPDisk()) { 
-            Info->AddPDisk(pdisk); 
-        } 
- 
-        for (const auto& vdisk : record.GetStatus(0).GetBaseConfig().GetVSlot()) { 
-            Info->AddVDisk(vdisk); 
-        } 
- 
-        for (const auto& group : record.GetStatus(0).GetBaseConfig().GetGroup()) { 
-            Info->AddBSGroup(group); 
-        } 
- 
-        MaybeReplyAndDie(); 
+void TInfoCollector::RequestBaseConfig() {
+    using namespace NTabletPipe;
+
+    const auto domains = AppData()->DomainsInfo->Domains;
+    Y_VERIFY(domains.size() <= 1);
+
+    for (const auto& domain : domains) {
+        const auto bscId = MakeBSControllerID(domain.second->DefaultStateStorageGroup);
+        BscPipe = Register(CreateClient(SelfId(), bscId, TClientConfig(TClientRetryPolicy::WithRetries())));
+
+        auto ev = MakeHolder<TEvBlobStorage::TEvControllerConfigRequest>();
+        ev->Record.MutableRequest()->AddCommand()->MutableQueryBaseConfig();
+        SendData(SelfId(), BscPipe, ev.Release());
     }
-} 
+}
+
+void TInfoCollector::Handle(TEvBlobStorage::TEvControllerConfigResponse::TPtr& ev) {
+    const auto& record = ev->Get()->Record.GetResponse();
+    LOG_D("Got base config"
+        << ": record# " << record.ShortDebugString());
+
+    if (!record.GetSuccess() || !record.StatusSize() || !record.GetStatus(0).GetSuccess()) {
+        LOG_E("Couldn't get base config");
+        ReplyAndDie();
+    } else {
+        BaseConfigReceived = true;
+
+        for (const auto& pdisk : record.GetStatus(0).GetBaseConfig().GetPDisk()) {
+            Info->AddPDisk(pdisk);
+        }
+
+        for (const auto& vdisk : record.GetStatus(0).GetBaseConfig().GetVSlot()) {
+            Info->AddVDisk(vdisk);
+        }
+
+        for (const auto& group : record.GetStatus(0).GetBaseConfig().GetGroup()) {
+            Info->AddBSGroup(group);
+        }
 
-void TInfoCollector::Handle(TEvTabletPipe::TEvClientConnected::TPtr& ev) { 
-    const auto& msg = *ev->Get(); 
-    if (msg.ClientId == BscPipe && msg.Status != NKikimrProto::OK) { 
-        OnPipeDestroyed(); 
-    } 
+        MaybeReplyAndDie();
+    }
 }
 
-void TInfoCollector::Handle(TEvTabletPipe::TEvClientDestroyed::TPtr& ev) { 
-    const auto& msg = *ev->Get(); 
-    if (msg.ClientId == BscPipe) { 
-        OnPipeDestroyed(); 
+void TInfoCollector::Handle(TEvTabletPipe::TEvClientConnected::TPtr& ev) {
+    const auto& msg = *ev->Get();
+    if (msg.ClientId == BscPipe && msg.Status != NKikimrProto::OK) {
+        OnPipeDestroyed();
     }
-} 
-
-void TInfoCollector::OnPipeDestroyed() { 
-    LOG_W("BscPipe destroyed"); 
- 
-    if (BscPipe) { 
-        NTabletPipe::CloseAndForgetClient(SelfId(), BscPipe); 
-    } 
- 
-    if (!BaseConfigReceived) { 
-        RequestBaseConfig(); 
-    } 
 }
 
-void TInfoCollector::SendNodeRequests(ui32 nodeId) { 
-    const TActorId whiteBoardId = MakeNodeWhiteboardServiceId(nodeId); 
-    SendNodeEvent(nodeId, whiteBoardId, new TEvWhiteboard::TEvSystemStateRequest(), TEvWhiteboard::EvSystemStateResponse); 
-    SendNodeEvent(nodeId, whiteBoardId, new TEvWhiteboard::TEvTabletStateRequest(), TEvWhiteboard::EvTabletStateResponse); 
-    SendNodeEvent(nodeId, whiteBoardId, new TEvWhiteboard::TEvPDiskStateRequest(), TEvWhiteboard::EvPDiskStateResponse); 
-    SendNodeEvent(nodeId, whiteBoardId, new TEvWhiteboard::TEvVDiskStateRequest(), TEvWhiteboard::EvVDiskStateResponse); 
+void TInfoCollector::Handle(TEvTabletPipe::TEvClientDestroyed::TPtr& ev) {
+    const auto& msg = *ev->Get();
+    if (msg.ClientId == BscPipe) {
+        OnPipeDestroyed();
+    }
+}
 
-    const auto domains = AppData()->DomainsInfo->Domains; 
-    Y_VERIFY(domains.size() <= 1); 
+void TInfoCollector::OnPipeDestroyed() {
+    LOG_W("BscPipe destroyed");
 
-    for (const auto& domain : domains) { 
-        const TActorId tenantPoolId = MakeTenantPoolID(nodeId, domain.second->DomainUid); 
-        SendNodeEvent(nodeId, tenantPoolId, new TEvTenantPool::TEvGetStatus(true), TEvTenantPool::EvTenantPoolStatus); 
+    if (BscPipe) {
+        NTabletPipe::CloseAndForgetClient(SelfId(), BscPipe);
     }
-} 
 
-void TInfoCollector::SendNodeEvent(ui32 nodeId, const TActorId& recipient, IEventBase* request, ui32 responseType) { 
-    Send(recipient, request, IEventHandle::FlagTrackDelivery | IEventHandle::FlagSubscribeOnSession, nodeId); 
-    NodeEvents[nodeId].insert(responseType); 
+    if (!BaseConfigReceived) {
+        RequestBaseConfig();
+    }
 }
 
-bool TInfoCollector::IsNodeInfoRequired(ui32 nodeId, ui32 eventType) const { 
-    auto it = NodeEvents.find(nodeId); 
-    if (it == NodeEvents.end()) { 
-        LOG_W("Got info from unknown node" 
-            << ": nodeId# " << nodeId); 
-        return false; 
+void TInfoCollector::SendNodeRequests(ui32 nodeId) {
+    const TActorId whiteBoardId = MakeNodeWhiteboardServiceId(nodeId);
+    SendNodeEvent(nodeId, whiteBoardId, new TEvWhiteboard::TEvSystemStateRequest(), TEvWhiteboard::EvSystemStateResponse);
+    SendNodeEvent(nodeId, whiteBoardId, new TEvWhiteboard::TEvTabletStateRequest(), TEvWhiteboard::EvTabletStateResponse);
+    SendNodeEvent(nodeId, whiteBoardId, new TEvWhiteboard::TEvPDiskStateRequest(), TEvWhiteboard::EvPDiskStateResponse);
+    SendNodeEvent(nodeId, whiteBoardId, new TEvWhiteboard::TEvVDiskStateRequest(), TEvWhiteboard::EvVDiskStateResponse);
+
+    const auto domains = AppData()->DomainsInfo->Domains;
+    Y_VERIFY(domains.size() <= 1);
+
+    for (const auto& domain : domains) {
+        const TActorId tenantPoolId = MakeTenantPoolID(nodeId, domain.second->DomainUid);
+        SendNodeEvent(nodeId, tenantPoolId, new TEvTenantPool::TEvGetStatus(true), TEvTenantPool::EvTenantPoolStatus);
     }
+}
 
-    return it->second.contains(eventType); 
+void TInfoCollector::SendNodeEvent(ui32 nodeId, const TActorId& recipient, IEventBase* request, ui32 responseType) {
+    Send(recipient, request, IEventHandle::FlagTrackDelivery | IEventHandle::FlagSubscribeOnSession, nodeId);
+    NodeEvents[nodeId].insert(responseType);
 }
 
-void TInfoCollector::ResponseProcessed(ui32 nodeId, ui32 eventType) { 
-    Y_VERIFY_S(NodeEvents.contains(nodeId), "Unexpected node" 
-        << ": nodeId# " << nodeId); 
-    Y_VERIFY_S(NodeEvents[nodeId].contains(eventType), "Unexpected event" 
-        << ": nodeId# " << nodeId 
-        << ", eventType# " << eventType); 
-
-    NodeEvents[nodeId].erase(eventType); 
-    if (NodeEvents[nodeId].empty()) { 
-        MaybeReplyAndDie(); 
-    } 
-} 
-
-void TInfoCollector::Handle(TEvWhiteboard::TEvSystemStateResponse::TPtr& ev) { 
-    const ui32 nodeId = ev->Sender.NodeId(); 
-    const auto& record = ev->Get()->Record; 
- 
-    LOG_D("Got system state" 
-        << ": nodeId# " << nodeId 
-        << ", record# " << record.DebugString()); 
- 
-    if (!IsNodeInfoRequired(nodeId, ev->Type)) { 
+bool TInfoCollector::IsNodeInfoRequired(ui32 nodeId, ui32 eventType) const {
+    auto it = NodeEvents.find(nodeId);
+    if (it == NodeEvents.end()) {
+        LOG_W("Got info from unknown node"
+            << ": nodeId# " << nodeId);
+        return false;
+    }
+
+    return it->second.contains(eventType);
+}
+
+void TInfoCollector::ResponseProcessed(ui32 nodeId, ui32 eventType) {
+    Y_VERIFY_S(NodeEvents.contains(nodeId), "Unexpected node"
+        << ": nodeId# " << nodeId);
+    Y_VERIFY_S(NodeEvents[nodeId].contains(eventType), "Unexpected event"
+        << ": nodeId# " << nodeId
+        << ", eventType# " << eventType);
+
+    NodeEvents[nodeId].erase(eventType);
+    if (NodeEvents[nodeId].empty()) {
+        MaybeReplyAndDie();
+    }
+}
+
+void TInfoCollector::Handle(TEvWhiteboard::TEvSystemStateResponse::TPtr& ev) {
+    const ui32 nodeId = ev->Sender.NodeId();
+    const auto& record = ev->Get()->Record;
+
+    LOG_D("Got system state"
+        << ": nodeId# " << nodeId
+        << ", record# " << record.DebugString());
+
+    if (!IsNodeInfoRequired(nodeId, ev->Type)) {
         return;
-    } 
+    }
 
-    if (record.SystemStateInfoSize() != 1) { 
-        LOG_E("Unexpected system state's size" 
-            << ": nodeId# " << nodeId 
-            << ", size# " << record.SystemStateInfoSize()); 
+    if (record.SystemStateInfoSize() != 1) {
+        LOG_E("Unexpected system state's size"
+            << ": nodeId# " << nodeId
+            << ", size# " << record.SystemStateInfoSize());
         return;
     }
 
-    Info->SetNodeState(nodeId, NKikimrCms::UP, record.GetSystemStateInfo(0)); 
-    ResponseProcessed(nodeId, ev->Type); 
+    Info->SetNodeState(nodeId, NKikimrCms::UP, record.GetSystemStateInfo(0));
+    ResponseProcessed(nodeId, ev->Type);
 }
 
-void TInfoCollector::Handle(TEvWhiteboard::TEvTabletStateResponse::TPtr& ev) { 
-    const ui32 nodeId = ev->Sender.NodeId(); 
-    const auto& record = ev->Get()->Record; 
+void TInfoCollector::Handle(TEvWhiteboard::TEvTabletStateResponse::TPtr& ev) {
+    const ui32 nodeId = ev->Sender.NodeId();
+    const auto& record = ev->Get()->Record;
 
-    LOG_D("Got tablet state" 
-        << ": nodeId# " << nodeId 
-        << ", record# " << record.DebugString()); 
+    LOG_D("Got tablet state"
+        << ": nodeId# " << nodeId
+        << ", record# " << record.DebugString());
 
-    if (!IsNodeInfoRequired(nodeId, ev->Type)) { 
+    if (!IsNodeInfoRequired(nodeId, ev->Type)) {
         return;
-    } 
+    }
 
-    for (const auto& info : record.GetTabletStateInfo()) { 
+    for (const auto& info : record.GetTabletStateInfo()) {
         Info->AddTablet(nodeId, info);
-    } 
+    }
 
-    ResponseProcessed(nodeId, ev->Type); 
+    ResponseProcessed(nodeId, ev->Type);
 }
 
-void TInfoCollector::Handle(TEvWhiteboard::TEvPDiskStateResponse::TPtr& ev) { 
-    const ui32 nodeId = ev->Sender.NodeId(); 
-    auto& record = ev->Get()->Record; 
+void TInfoCollector::Handle(TEvWhiteboard::TEvPDiskStateResponse::TPtr& ev) {
+    const ui32 nodeId = ev->Sender.NodeId();
+    auto& record = ev->Get()->Record;
 
-    LOG_D("Got PDisk state" 
-        << ": nodeId# " << nodeId 
-        << ", record# " << record.DebugString()); 
+    LOG_D("Got PDisk state"
+        << ": nodeId# " << nodeId
+        << ", record# " << record.DebugString());
 
-    if (!IsNodeInfoRequired(nodeId, ev->Type)) { 
+    if (!IsNodeInfoRequired(nodeId, ev->Type)) {
         return;
-    } 
+    }
 
-    for (ui32 i = 0; i < record.PDiskStateInfoSize(); ++i) { 
-        auto* info = record.MutablePDiskStateInfo(i); 
-        const auto id = TPDiskID(nodeId, info->GetPDiskId()); 
+    for (ui32 i = 0; i < record.PDiskStateInfoSize(); ++i) {
+        auto* info = record.MutablePDiskStateInfo(i);
+        const auto id = TPDiskID(nodeId, info->GetPDiskId());
         PDiskInfo[id].Swap(info);
     }
 
-    ResponseProcessed(nodeId, ev->Type); 
+    ResponseProcessed(nodeId, ev->Type);
 }
 
-void TInfoCollector::Handle(TEvWhiteboard::TEvVDiskStateResponse::TPtr& ev) { 
-    const ui32 nodeId = ev->Sender.NodeId(); 
-    auto& record = ev->Get()->Record; 
+void TInfoCollector::Handle(TEvWhiteboard::TEvVDiskStateResponse::TPtr& ev) {
+    const ui32 nodeId = ev->Sender.NodeId();
+    auto& record = ev->Get()->Record;
 
-    LOG_D("Got VDisk state" 
-        << ": nodeId# " << nodeId 
-        << ", record# " << record.DebugString()); 
+    LOG_D("Got VDisk state"
+        << ": nodeId# " << nodeId
+        << ", record# " << record.DebugString());
 
-    if (!IsNodeInfoRequired(nodeId, ev->Type)) { 
+    if (!IsNodeInfoRequired(nodeId, ev->Type)) {
         return;
-    } 
+    }
 
-    for (ui32 i = 0; i < record.VDiskStateInfoSize(); ++i) { 
-        auto* info = record.MutableVDiskStateInfo(i); 
-        const auto id = VDiskIDFromVDiskID(info->GetVDiskId()); 
+    for (ui32 i = 0; i < record.VDiskStateInfoSize(); ++i) {
+        auto* info = record.MutableVDiskStateInfo(i);
+        const auto id = VDiskIDFromVDiskID(info->GetVDiskId());
         VDiskInfo[id].Swap(info);
     }
 
-    ResponseProcessed(nodeId, ev->Type); 
+    ResponseProcessed(nodeId, ev->Type);
 }
 
-void TInfoCollector::Handle(TEvTenantPool::TEvTenantPoolStatus::TPtr& ev) { 
-    const ui32 nodeId = ev->Sender.NodeId(); 
-    const auto& record = ev->Get()->Record; 
- 
-    LOG_D("Got TenantPoolStatus" 
-        << ": nodeId# " << nodeId 
-        << ", record# " << record.DebugString()); 
- 
-    if (!IsNodeInfoRequired(nodeId, ev->Type)) { 
-        return; 
-    } 
- 
-    Info->AddNodeTenants(nodeId, record); 
-    ResponseProcessed(nodeId, ev->Type); 
+void TInfoCollector::Handle(TEvTenantPool::TEvTenantPoolStatus::TPtr& ev) {
+    const ui32 nodeId = ev->Sender.NodeId();
+    const auto& record = ev->Get()->Record;
+
+    LOG_D("Got TenantPoolStatus"
+        << ": nodeId# " << nodeId
+        << ", record# " << record.DebugString());
+
+    if (!IsNodeInfoRequired(nodeId, ev->Type)) {
+        return;
+    }
+
+    Info->AddNodeTenants(nodeId, record);
+    ResponseProcessed(nodeId, ev->Type);
 }
 
-void TInfoCollector::Handle(TEvents::TEvUndelivered::TPtr& ev) { 
-    const auto& msg = *ev->Get(); 
-    const ui32 nodeId = ev->Cookie; 
- 
-    LOG_D("Undelivered" 
-        << ": nodeId# " << nodeId 
-        << ", source# " << msg.SourceType 
-        << ", reason# " << msg.Reason); 
- 
-    if (!NodeEvents.contains(nodeId)) { 
-        LOG_E("Undelivered to unknown node" 
-            << ": nodeId# " << nodeId); 
-        return; 
-    } 
- 
-    if (msg.SourceType == TEvTenantPool::EvGetStatus && msg.Reason == TEvents::TEvUndelivered::ReasonActorUnknown) { 
-        LOG_W("Node is alive, but TenantPool is not running (KIKIMR-8249)"); 
-        ResponseProcessed(nodeId, TEvTenantPool::EvTenantPoolStatus); 
-    } else { 
-        Info->ClearNode(nodeId); 
-        NodeEvents[nodeId].clear(); 
-    } 
- 
-    MaybeReplyAndDie(); 
+void TInfoCollector::Handle(TEvents::TEvUndelivered::TPtr& ev) {
+    const auto& msg = *ev->Get();
+    const ui32 nodeId = ev->Cookie;
+
+    LOG_D("Undelivered"
+        << ": nodeId# " << nodeId
+        << ", source# " << msg.SourceType
+        << ", reason# " << msg.Reason);
+
+    if (!NodeEvents.contains(nodeId)) {
+        LOG_E("Undelivered to unknown node"
+            << ": nodeId# " << nodeId);
+        return;
+    }
+
+    if (msg.SourceType == TEvTenantPool::EvGetStatus && msg.Reason == TEvents::TEvUndelivered::ReasonActorUnknown) {
+        LOG_W("Node is alive, but TenantPool is not running (KIKIMR-8249)");
+        ResponseProcessed(nodeId, TEvTenantPool::EvTenantPoolStatus);
+    } else {
+        Info->ClearNode(nodeId);
+        NodeEvents[nodeId].clear();
+    }
+
+    MaybeReplyAndDie();
 }
 
-void TInfoCollector::Handle(TEvInterconnect::TEvNodeDisconnected::TPtr& ev) { 
-    const ui32 nodeId = ev->Get()->NodeId; 
+void TInfoCollector::Handle(TEvInterconnect::TEvNodeDisconnected::TPtr& ev) {
+    const ui32 nodeId = ev->Get()->NodeId;
 
-    LOG_D("Disconnected" 
-        << ": nodeId# " << nodeId); 
+    LOG_D("Disconnected"
+        << ": nodeId# " << nodeId);
 
-    if (!NodeEvents.contains(nodeId)) { 
-        LOG_E("Disconnected unknown node" 
-            << ": nodeId# " << nodeId); 
+    if (!NodeEvents.contains(nodeId)) {
+        LOG_E("Disconnected unknown node"
+            << ": nodeId# " << nodeId);
         return;
-    } 
+    }
 
-    Info->ClearNode(nodeId); 
-    NodeEvents[nodeId].clear(); 
-    MaybeReplyAndDie(); 
+    Info->ClearNode(nodeId);
+    NodeEvents[nodeId].clear();
+    MaybeReplyAndDie();
 }
 
-IActor* CreateInfoCollector(const TActorId& client, const TDuration& timeout) { 
+IActor* CreateInfoCollector(const TActorId& client, const TDuration& timeout) {
     return new TInfoCollector(client, timeout);
 }
 
diff --git a/ydb/core/cms/info_collector.h b/ydb/core/cms/info_collector.h
index 70d14b88e7..ec030909e6 100644
--- a/ydb/core/cms/info_collector.h
+++ b/ydb/core/cms/info_collector.h
@@ -5,7 +5,7 @@
 namespace NKikimr {
 namespace NCms {
 
-IActor* CreateInfoCollector(const TActorId& client, const TDuration& timeout); 
+IActor* CreateInfoCollector(const TActorId& client, const TDuration& timeout);
 
 } // NCms
 } // NKikimr
diff --git a/ydb/core/cms/json_proxy.h b/ydb/core/cms/json_proxy.h
index 6c752e3f0a..185d0ce01b 100644
--- a/ydb/core/cms/json_proxy.h
+++ b/ydb/core/cms/json_proxy.h
@@ -1,7 +1,7 @@
 #pragma once
 
-#include "audit_log.h" 
- 
+#include "audit_log.h"
+
 #include <ydb/core/base/defs.h>
 
 #include <library/cpp/actors/core/actor.h>
@@ -98,7 +98,7 @@ protected:
 
     void ReplyWithErrorAndDie(const TString &err, const TActorContext &ctx)
     {
-        ReplyAndDieImpl(err, ctx); 
+        ReplyAndDieImpl(err, ctx);
     }
 
     void ReplyAndDie(const typename TResponseEvent::ProtoRecordType &resp, const TActorContext &ctx)
@@ -114,13 +114,13 @@ protected:
 
     void ReplyAndDie(const TString &json, const TActorContext &ctx)
     {
-        ReplyAndDieImpl(TString(NMonitoring::HTTPOKJSON) + json, ctx); 
-    } 
+        ReplyAndDieImpl(TString(NMonitoring::HTTPOKJSON) + json, ctx);
+    }
 
-    void ReplyAndDieImpl(const TString &data, const TActorContext &ctx) 
-    { 
-        AuditLog("JsonProxy", RequestEvent, data, ctx); 
-        ctx.Send(RequestEvent->Sender, new NMon::TEvHttpInfoRes(data, 0, NMon::IEvHttpInfoRes::EContentType::Custom)); 
+    void ReplyAndDieImpl(const TString &data, const TActorContext &ctx)
+    {
+        AuditLog("JsonProxy", RequestEvent, data, ctx);
+        ctx.Send(RequestEvent->Sender, new NMon::TEvHttpInfoRes(data, 0, NMon::IEvHttpInfoRes::EContentType::Custom));
         TBase::Die(ctx);
     }
 
diff --git a/ydb/core/cms/json_proxy_proto.h b/ydb/core/cms/json_proxy_proto.h
index bed01a07dd..b1b87f30cd 100644
--- a/ydb/core/cms/json_proxy_proto.h
+++ b/ydb/core/cms/json_proxy_proto.h
@@ -1,7 +1,7 @@
 #pragma once
 
-#include "pdisk_state.h" 
- 
+#include "pdisk_state.h"
+
 #include <ydb/core/base/defs.h>
 #include <ydb/core/mon/mon.h>
 
@@ -14,7 +14,7 @@
 #include <library/cpp/json/json_reader.h>
 #include <library/cpp/json/json_writer.h>
 
-#include <util/generic/serialized_enum.h> 
+#include <util/generic/serialized_enum.h>
 #include <iostream>
 
 namespace NKikimr {
@@ -56,12 +56,12 @@ protected:
             else if (name == "NKikimrConsole::TConfigItem::EMergeStrategy")
                 return ReplyWithEnumDescription(*NKikimrConsole::TConfigItem::EMergeStrategy_descriptor(), ctx);
             else if (name == "NKikimrServices::EServiceKikimr")
-                return ReplyWithLogComponents(ctx.LoggerSettings(), ctx); 
+                return ReplyWithLogComponents(ctx.LoggerSettings(), ctx);
             else if (name == "NKikimrCms::TCmsConfig::TLogConfig::ELevel")
                 return ReplyWithEnumDescription(*NKikimrCms::TCmsConfig::TLogConfig::ELevel_descriptor(), ctx);
             else if (name == "NKikimrCms::TLogRecordData::EType")
                 return ReplyWithEnumDescription(*NKikimrCms::TLogRecordData::EType_descriptor(), ctx);
-            else if (name == "NCms::EPDiskState") 
+            else if (name == "NCms::EPDiskState")
                 return ReplyWithEnumDescription(*NKikimrBlobStorage::TPDiskState::E_descriptor(), ctx);
         } else if (cgi.Has("type")) {
             TString name = cgi.Get("type");
@@ -81,27 +81,27 @@ protected:
                                           NMon::IEvHttpInfoRes::EContentType::Custom));
     }
 
-    void ReplyWithLogComponents(NLog::TSettings *settings, const TActorContext &ctx) 
-    { 
-        NJson::TJsonValue json; 
- 
-        if (settings) { 
-            for (NLog::EComponent i = settings->MinVal; i < settings->MaxVal; i++) { 
-                auto name = settings->ComponentName(i); 
-                if (!*name) { 
-                    continue; 
-                } 
- 
-                NJson::TJsonValue value; 
-                value["name"] = name; 
-                value["number"] = static_cast<ui32>(i); 
-                json["value"].AppendValue(value); 
-            } 
-        } 
- 
-        Reply(WriteJson(json), ctx); 
-    } 
- 
+    void ReplyWithLogComponents(NLog::TSettings *settings, const TActorContext &ctx)
+    {
+        NJson::TJsonValue json;
+
+        if (settings) {
+            for (NLog::EComponent i = settings->MinVal; i < settings->MaxVal; i++) {
+                auto name = settings->ComponentName(i);
+                if (!*name) {
+                    continue;
+                }
+
+                NJson::TJsonValue value;
+                value["name"] = name;
+                value["number"] = static_cast<ui32>(i);
+                json["value"].AppendValue(value);
+            }
+        }
+
+        Reply(WriteJson(json), ctx);
+    }
+
     void ReplyWithEnumDescription(const ::google::protobuf::EnumDescriptor &descriptor,
                                   const TActorContext &ctx)
     {
diff --git a/ydb/core/cms/log_formatter.h b/ydb/core/cms/log_formatter.h
index 5f5f652888..2ebb9e7470 100644
--- a/ydb/core/cms/log_formatter.h
+++ b/ydb/core/cms/log_formatter.h
@@ -101,14 +101,14 @@ template<> template<>
 TString TLogFormatter<NKikimrCms::TEXT_FORMAT_SHORT>::FormatData(const NKikimrCms::TLogRecordData::TPDiskMonitorAction &data)
 {
     TStringStream ss;
-    ss << "Send command to BS_CONTROLLER to change status of PDisk " 
+    ss << "Send command to BS_CONTROLLER to change status of PDisk "
        << data.GetPDiskId().GetNodeId() << ":" << data.GetPDiskId().GetDiskId()
-       << " at " << (data.HasHost() ? data.GetHost() : "<undefined>") 
+       << " at " << (data.HasHost() ? data.GetHost() : "<undefined>")
        << " from " << data.GetCurrentStatus()
        << " to " << data.GetRequiredStatus();
-    if (data.HasReason()) { 
-        ss << "(" << data.GetReason() << ")"; 
-    } 
+    if (data.HasReason()) {
+        ss << "(" << data.GetReason() << ")";
+    }
     return ss.Str();
 }
 
diff --git a/ydb/core/cms/pdisk_state.h b/ydb/core/cms/pdisk_state.h
index 7d9111e446..6dd673a729 100644
--- a/ydb/core/cms/pdisk_state.h
+++ b/ydb/core/cms/pdisk_state.h
@@ -1,12 +1,12 @@
-#pragma once 
- 
+#pragma once
+
 #include <ydb/core/protos/node_whiteboard.pb.h>
- 
-namespace NKikimr { 
-namespace NCms { 
- 
-using TPDiskStateInfo = NKikimrWhiteboard::TPDiskStateInfo; 
+
+namespace NKikimr {
+namespace NCms {
+
+using TPDiskStateInfo = NKikimrWhiteboard::TPDiskStateInfo;
 using EPDiskState = NKikimrBlobStorage::TPDiskState::E;
- 
-} // NCms 
-} // NKikimr 
+
+} // NCms
+} // NKikimr
diff --git a/ydb/core/cms/pdiskid.h b/ydb/core/cms/pdiskid.h
index 39298cb3bc..a1ff7b215f 100644
--- a/ydb/core/cms/pdiskid.h
+++ b/ydb/core/cms/pdiskid.h
@@ -62,8 +62,8 @@ struct TPDiskIDHash {
 
 } // NCms
 } // NKikimr
- 
-template<> 
-inline void Out<NKikimr::NCms::TPDiskID>(IOutputStream& o, const NKikimr::NCms::TPDiskID& x) { 
-    o << x.ToString(); 
-} 
+
+template<>
+inline void Out<NKikimr::NCms::TPDiskID>(IOutputStream& o, const NKikimr::NCms::TPDiskID& x) {
+    o << x.ToString();
+}
diff --git a/ydb/core/cms/sentinel.cpp b/ydb/core/cms/sentinel.cpp
index a9031bc085..638b78fe09 100644
--- a/ydb/core/cms/sentinel.cpp
+++ b/ydb/core/cms/sentinel.cpp
@@ -1,77 +1,77 @@
-#include "cms_impl.h" 
-#include "sentinel.h" 
-#include "sentinel_impl.h" 
- 
+#include "cms_impl.h"
+#include "sentinel.h"
+#include "sentinel_impl.h"
+
 #include <ydb/core/base/appdata.h>
 #include <ydb/core/base/counters.h>
 #include <ydb/core/base/tablet_pipe.h>
 #include <ydb/core/blobstorage/base/blobstorage_events.h>
 #include <ydb/core/node_whiteboard/node_whiteboard.h>
 #include <ydb/core/protos/services.pb.h>
- 
+
 #include <library/cpp/actors/core/actor_bootstrapped.h>
 #include <library/cpp/actors/core/hfunc.h>
 #include <library/cpp/actors/core/log.h>
- 
-#include <util/generic/algorithm.h> 
-#include <util/generic/hash_set.h> 
-#include <util/generic/map.h> 
-#include <util/string/builder.h> 
-#include <util/string/join.h> 
- 
-namespace NKikimr { 
-namespace NCms { 
- 
-#if defined LOG_T || \ 
-    defined LOG_D || \ 
-    defined LOG_I || \ 
-    defined LOG_N || \ 
-    defined LOG_W || \ 
-    defined LOG_E || \ 
-    defined LOG_C 
-#error log macro redefinition 
-#endif 
- 
-#define LOG_T(stream) LOG_TRACE_S(*TlsActivationContext, NKikimrServices::CMS, "[Sentinel] [" << Name() << "] " << stream) 
-#define LOG_D(stream) LOG_DEBUG_S(*TlsActivationContext, NKikimrServices::CMS, "[Sentinel] [" << Name() << "] " << stream) 
-#define LOG_I(stream) LOG_INFO_S(*TlsActivationContext, NKikimrServices::CMS, "[Sentinel] [" << Name() << "] " << stream) 
-#define LOG_N(stream) LOG_NOTICE_S(*TlsActivationContext, NKikimrServices::CMS, "[Sentinel] [" << Name() << "] " << stream) 
-#define LOG_W(stream) LOG_WARN_S(*TlsActivationContext, NKikimrServices::CMS, "[Sentinel] [" << Name() << "] " << stream) 
-#define LOG_E(stream) LOG_ERROR_S(*TlsActivationContext, NKikimrServices::CMS, "[Sentinel] [" << Name() << "] " << stream) 
-#define LOG_C(stream) LOG_CRIT_S(*TlsActivationContext, NKikimrServices::CMS, "[Sentinel] [" << Name() << "] " << stream) 
- 
-namespace NSentinel { 
- 
-/// TPDiskStatusComputer 
- 
-TPDiskStatusComputer::TPDiskStatusComputer(const ui32& defaultStateLimit, const TLimitsMap& stateLimits) 
-    : DefaultStateLimit(defaultStateLimit) 
-    , StateLimits(stateLimits) 
-    , StateCounter(0) 
-{ 
-} 
- 
-void TPDiskStatusComputer::AddState(EPDiskState state) { 
-    if (StateCounter && state == State) { 
-        if (StateCounter != Max<ui64>()) { 
-            ++StateCounter; 
-        } 
-    } else { 
+
+#include <util/generic/algorithm.h>
+#include <util/generic/hash_set.h>
+#include <util/generic/map.h>
+#include <util/string/builder.h>
+#include <util/string/join.h>
+
+namespace NKikimr {
+namespace NCms {
+
+#if defined LOG_T || \
+    defined LOG_D || \
+    defined LOG_I || \
+    defined LOG_N || \
+    defined LOG_W || \
+    defined LOG_E || \
+    defined LOG_C
+#error log macro redefinition
+#endif
+
+#define LOG_T(stream) LOG_TRACE_S(*TlsActivationContext, NKikimrServices::CMS, "[Sentinel] [" << Name() << "] " << stream)
+#define LOG_D(stream) LOG_DEBUG_S(*TlsActivationContext, NKikimrServices::CMS, "[Sentinel] [" << Name() << "] " << stream)
+#define LOG_I(stream) LOG_INFO_S(*TlsActivationContext, NKikimrServices::CMS, "[Sentinel] [" << Name() << "] " << stream)
+#define LOG_N(stream) LOG_NOTICE_S(*TlsActivationContext, NKikimrServices::CMS, "[Sentinel] [" << Name() << "] " << stream)
+#define LOG_W(stream) LOG_WARN_S(*TlsActivationContext, NKikimrServices::CMS, "[Sentinel] [" << Name() << "] " << stream)
+#define LOG_E(stream) LOG_ERROR_S(*TlsActivationContext, NKikimrServices::CMS, "[Sentinel] [" << Name() << "] " << stream)
+#define LOG_C(stream) LOG_CRIT_S(*TlsActivationContext, NKikimrServices::CMS, "[Sentinel] [" << Name() << "] " << stream)
+
+namespace NSentinel {
+
+/// TPDiskStatusComputer
+
+TPDiskStatusComputer::TPDiskStatusComputer(const ui32& defaultStateLimit, const TLimitsMap& stateLimits)
+    : DefaultStateLimit(defaultStateLimit)
+    , StateLimits(stateLimits)
+    , StateCounter(0)
+{
+}
+
+void TPDiskStatusComputer::AddState(EPDiskState state) {
+    if (StateCounter && state == State) {
+        if (StateCounter != Max<ui64>()) {
+            ++StateCounter;
+        }
+    } else {
         PrevState = std::exchange(State, state);
-        StateCounter = 1; 
-    } 
-} 
- 
-EPDiskStatus TPDiskStatusComputer::Compute(EPDiskStatus current, TString& reason) const { 
-    if (!StateCounter) { 
-        reason = "Uninitialized StateCounter"; 
-        return current; 
-    } 
- 
-    auto it = StateLimits.find(State); 
-    const ui32 stateLimit = (it != StateLimits.end()) ? it->second : DefaultStateLimit; 
- 
-    if (!stateLimit || StateCounter < stateLimit) { 
+        StateCounter = 1;
+    }
+}
+
+EPDiskStatus TPDiskStatusComputer::Compute(EPDiskStatus current, TString& reason) const {
+    if (!StateCounter) {
+        reason = "Uninitialized StateCounter";
+        return current;
+    }
+
+    auto it = StateLimits.find(State);
+    const ui32 stateLimit = (it != StateLimits.end()) ? it->second : DefaultStateLimit;
+
+    if (!stateLimit || StateCounter < stateLimit) {
         reason = TStringBuilder()
             << " PrevState# " << PrevState
             << " State# " << State
@@ -83,63 +83,63 @@ EPDiskStatus TPDiskStatusComputer::Compute(EPDiskStatus current, TString& reason
         default:
             return EPDiskStatus::INACTIVE;
         }
-    } 
- 
-    reason = TStringBuilder() 
+    }
+
+    reason = TStringBuilder()
         << " PrevState# " << PrevState
-        << " State# " << State 
-        << " StateCounter# " << StateCounter 
-        << " StateLimit# " << stateLimit; 
- 
+        << " State# " << State
+        << " StateCounter# " << StateCounter
+        << " StateLimit# " << stateLimit;
+
     PrevState = State;
 
-    switch (State) { 
+    switch (State) {
     case NKikimrBlobStorage::TPDiskState::Normal:
-        return EPDiskStatus::ACTIVE; 
-    default: 
-        return EPDiskStatus::FAULTY; 
-    } 
-} 
- 
-void TPDiskStatusComputer::Reset() { 
-    StateCounter = 0; 
-} 
- 
-/// TPDiskStatus 
- 
-TPDiskStatus::TPDiskStatus(EPDiskStatus initialStatus, const ui32& defaultStateLimit, const TLimitsMap& stateLimits) 
-    : TPDiskStatusComputer(defaultStateLimit, stateLimits) 
-    , Current(initialStatus) 
-    , ChangingAllowed(true) 
-{ 
-} 
- 
-void TPDiskStatus::AddState(EPDiskState state) { 
-    TPDiskStatusComputer::AddState(state); 
-} 
- 
-bool TPDiskStatus::IsChanged(TString& reason) const { 
-    return Current != Compute(Current, reason); 
-} 
- 
-bool TPDiskStatus::IsChanged() const { 
-    TString unused; 
-    return IsChanged(unused); 
-} 
- 
-void TPDiskStatus::ApplyChanges(TString& reason) { 
-    Current = Compute(Current, reason); 
-} 
- 
-void TPDiskStatus::ApplyChanges() { 
-    TString unused; 
-    ApplyChanges(unused); 
-} 
- 
-EPDiskStatus TPDiskStatus::GetStatus() const { 
-    return Current; 
-} 
- 
+        return EPDiskStatus::ACTIVE;
+    default:
+        return EPDiskStatus::FAULTY;
+    }
+}
+
+void TPDiskStatusComputer::Reset() {
+    StateCounter = 0;
+}
+
+/// TPDiskStatus
+
+TPDiskStatus::TPDiskStatus(EPDiskStatus initialStatus, const ui32& defaultStateLimit, const TLimitsMap& stateLimits)
+    : TPDiskStatusComputer(defaultStateLimit, stateLimits)
+    , Current(initialStatus)
+    , ChangingAllowed(true)
+{
+}
+
+void TPDiskStatus::AddState(EPDiskState state) {
+    TPDiskStatusComputer::AddState(state);
+}
+
+bool TPDiskStatus::IsChanged(TString& reason) const {
+    return Current != Compute(Current, reason);
+}
+
+bool TPDiskStatus::IsChanged() const {
+    TString unused;
+    return IsChanged(unused);
+}
+
+void TPDiskStatus::ApplyChanges(TString& reason) {
+    Current = Compute(Current, reason);
+}
+
+void TPDiskStatus::ApplyChanges() {
+    TString unused;
+    ApplyChanges(unused);
+}
+
+EPDiskStatus TPDiskStatus::GetStatus() const {
+    return Current;
+}
+
 bool TPDiskStatus::IsNewStatusGood() const {
     TString unused;
     switch (Compute(Current, unused)) {
@@ -158,51 +158,51 @@ bool TPDiskStatus::IsNewStatusGood() const {
     }
 }
 
-bool TPDiskStatus::IsChangingAllowed() const { 
-    return ChangingAllowed; 
-} 
- 
-void TPDiskStatus::AllowChanging() { 
-    if (!ChangingAllowed) { 
-        Reset(); 
-    } 
- 
-    ChangingAllowed = true; 
-} 
- 
-void TPDiskStatus::DisallowChanging() { 
-    ChangingAllowed = false; 
-} 
- 
-/// TPDiskInfo 
- 
-TPDiskInfo::TPDiskInfo(EPDiskStatus initialStatus, const ui32& defaultStateLimit, const TLimitsMap& stateLimits) 
-    : TPDiskStatus(initialStatus, defaultStateLimit, stateLimits) 
-{ 
-    Touch(); 
-} 
- 
-void TPDiskInfo::AddState(EPDiskState state) { 
-    TPDiskStatus::AddState(state); 
-    Touch(); 
-} 
- 
+bool TPDiskStatus::IsChangingAllowed() const {
+    return ChangingAllowed;
+}
+
+void TPDiskStatus::AllowChanging() {
+    if (!ChangingAllowed) {
+        Reset();
+    }
+
+    ChangingAllowed = true;
+}
+
+void TPDiskStatus::DisallowChanging() {
+    ChangingAllowed = false;
+}
+
+/// TPDiskInfo
+
+TPDiskInfo::TPDiskInfo(EPDiskStatus initialStatus, const ui32& defaultStateLimit, const TLimitsMap& stateLimits)
+    : TPDiskStatus(initialStatus, defaultStateLimit, stateLimits)
+{
+    Touch();
+}
+
+void TPDiskInfo::AddState(EPDiskState state) {
+    TPDiskStatus::AddState(state);
+    Touch();
+}
+
 /// TClusterMap
- 
+
 TClusterMap::TClusterMap(TCmsStatePtr state)
-    : State(state) 
+    : State(state)
 {}
- 
+
 void TClusterMap::AddPDisk(const TPDiskID& id) {
-    Y_VERIFY(State->ClusterInfo->HasNode(id.NodeId)); 
-    Y_VERIFY(State->ClusterInfo->HasPDisk(id)); 
-    const auto& location = State->ClusterInfo->Node(id.NodeId).Location; 
- 
+    Y_VERIFY(State->ClusterInfo->HasNode(id.NodeId));
+    Y_VERIFY(State->ClusterInfo->HasPDisk(id));
+    const auto& location = State->ClusterInfo->Node(id.NodeId).Location;
+
     ByDataCenter[location.HasKey(TNodeLocation::TKeys::DataCenter) ? location.GetDataCenterId() : ""].insert(id);
     ByRoom[location.HasKey(TNodeLocation::TKeys::Module) ? location.GetModuleId() : ""].insert(id);
     ByRack[location.HasKey(TNodeLocation::TKeys::Rack) ? location.GetRackId() : ""].insert(id);
-} 
- 
+}
+
 /// TGuardian
 
 TGuardian::TGuardian(TCmsStatePtr state, ui32 dataCenterRatio, ui32 roomRatio, ui32 rackRatio)
@@ -215,222 +215,222 @@ TGuardian::TGuardian(TCmsStatePtr state, ui32 dataCenterRatio, ui32 roomRatio, u
 
 TClusterMap::TPDiskIDSet TGuardian::GetAllowedPDisks(const TClusterMap& all, TString& issues,
         TPDiskIDSet& disallowed) const {
-    TPDiskIDSet result; 
-    TStringBuilder issuesBuilder; 
- 
-    #define LOG_IGNORED(ratio) \ 
-        issuesBuilder \ 
-            << "Ignore state updates due to " << #ratio << "Ratio" \ 
-            << ": changed# " << kv.second.size() \ 
-            << ", total# " << all.By##ratio.at(kv.first).size() \ 
-            << ", ratio# " << ratio##Ratio \ 
-            << ", affected pdisks# " << JoinSeq(", ", kv.second) << Endl 
- 
-    for (const auto& kv : ByDataCenter) { 
-        Y_VERIFY(all.ByDataCenter.contains(kv.first)); 
- 
-        if (!kv.first || CheckRatio(kv, all.ByDataCenter, DataCenterRatio)) { 
+    TPDiskIDSet result;
+    TStringBuilder issuesBuilder;
+
+    #define LOG_IGNORED(ratio) \
+        issuesBuilder \
+            << "Ignore state updates due to " << #ratio << "Ratio" \
+            << ": changed# " << kv.second.size() \
+            << ", total# " << all.By##ratio.at(kv.first).size() \
+            << ", ratio# " << ratio##Ratio \
+            << ", affected pdisks# " << JoinSeq(", ", kv.second) << Endl
+
+    for (const auto& kv : ByDataCenter) {
+        Y_VERIFY(all.ByDataCenter.contains(kv.first));
+
+        if (!kv.first || CheckRatio(kv, all.ByDataCenter, DataCenterRatio)) {
             result.insert(kv.second.begin(), kv.second.end());
-        } else { 
-            LOG_IGNORED(DataCenter); 
+        } else {
+            LOG_IGNORED(DataCenter);
             disallowed.insert(kv.second.begin(), kv.second.end());
-        } 
-    } 
- 
-    for (const auto& kv : ByRoom) { 
-        Y_VERIFY(all.ByRoom.contains(kv.first)); 
- 
-        if (kv.first && !CheckRatio(kv, all.ByRoom, RoomRatio)) { 
-            LOG_IGNORED(Room); 
+        }
+    }
+
+    for (const auto& kv : ByRoom) {
+        Y_VERIFY(all.ByRoom.contains(kv.first));
+
+        if (kv.first && !CheckRatio(kv, all.ByRoom, RoomRatio)) {
+            LOG_IGNORED(Room);
             disallowed.insert(kv.second.begin(), kv.second.end());
-            EraseNodesIf(result, [&room = kv.second](const TPDiskID& id) { 
-                return room.contains(id); 
-            }); 
-        } 
-    } 
- 
-    for (const auto& kv : ByRack) { 
-        Y_VERIFY(all.ByRack.contains(kv.first)); 
+            EraseNodesIf(result, [&room = kv.second](const TPDiskID& id) {
+                return room.contains(id);
+            });
+        }
+    }
+
+    for (const auto& kv : ByRack) {
+        Y_VERIFY(all.ByRack.contains(kv.first));
         // ignore check if there is only one node in a rack
         if (kv.second.size() == 1) {
             continue;
         }
-        if (kv.first && !CheckRatio(kv, all.ByRack, RackRatio)) { 
-            LOG_IGNORED(Rack); 
+        if (kv.first && !CheckRatio(kv, all.ByRack, RackRatio)) {
+            LOG_IGNORED(Rack);
             disallowed.insert(kv.second.begin(), kv.second.end());
-            EraseNodesIf(result, [&rack = kv.second](const TPDiskID& id) { 
-                return rack.contains(id); 
-            }); 
-        } 
-    } 
- 
-    #undef LOG_IGNORED 
- 
-    issues = issuesBuilder; 
-    return result; 
-} 
- 
-/// Main state 
-struct TSentinelState: public TSimpleRefCount<TSentinelState> { 
-    using TPtr = TIntrusivePtr<TSentinelState>; 
- 
-    TMap<TPDiskID, TPDiskInfo> PDisks; 
-}; 
- 
-/// Actors 
- 
-template <typename TDerived> 
-class TSentinelChildBase: public TActorBootstrapped<TDerived> { 
-protected: 
-    void ConnectBSC() { 
-        auto domains = AppData()->DomainsInfo; 
-        const ui32 domainUid = domains->GetDomainUidByTabletId(CmsState->CmsTabletId); 
-        const ui64 bscId = MakeBSControllerID(domains->GetDefaultStateStorageGroup(domainUid)); 
- 
-        NTabletPipe::TClientConfig config; 
+            EraseNodesIf(result, [&rack = kv.second](const TPDiskID& id) {
+                return rack.contains(id);
+            });
+        }
+    }
+
+    #undef LOG_IGNORED
+
+    issues = issuesBuilder;
+    return result;
+}
+
+/// Main state
+struct TSentinelState: public TSimpleRefCount<TSentinelState> {
+    using TPtr = TIntrusivePtr<TSentinelState>;
+
+    TMap<TPDiskID, TPDiskInfo> PDisks;
+};
+
+/// Actors
+
+template <typename TDerived>
+class TSentinelChildBase: public TActorBootstrapped<TDerived> {
+protected:
+    void ConnectBSC() {
+        auto domains = AppData()->DomainsInfo;
+        const ui32 domainUid = domains->GetDomainUidByTabletId(CmsState->CmsTabletId);
+        const ui64 bscId = MakeBSControllerID(domains->GetDefaultStateStorageGroup(domainUid));
+
+        NTabletPipe::TClientConfig config;
         config.RetryPolicy = NTabletPipe::TClientRetryPolicy::WithRetries();
-        CmsState->BSControllerPipe = this->Register(NTabletPipe::CreateClient(CmsState->CmsActorId, bscId, config)); 
-    } 
- 
-public: 
-    using TBase = TSentinelChildBase<TDerived>; 
- 
-    explicit TSentinelChildBase(const TActorId& parent, TCmsStatePtr cmsState) 
-        : Parent(parent) 
-        , CmsState(cmsState) 
-        , Config(CmsState->Config.SentinelConfig) 
-    { 
-    } 
- 
-protected: 
+        CmsState->BSControllerPipe = this->Register(NTabletPipe::CreateClient(CmsState->CmsActorId, bscId, config));
+    }
+
+public:
+    using TBase = TSentinelChildBase<TDerived>;
+
+    explicit TSentinelChildBase(const TActorId& parent, TCmsStatePtr cmsState)
+        : Parent(parent)
+        , CmsState(cmsState)
+        , Config(CmsState->Config.SentinelConfig)
+    {
+    }
+
+protected:
     const TActorId Parent;
-    TCmsStatePtr CmsState; 
-    const TCmsSentinelConfig& Config; 
- 
-}; // TSentinelChildBase 
- 
-template <typename TEvUpdated, typename TDerived> 
-class TUpdaterBase: public TSentinelChildBase<TDerived> { 
-public: 
-    using TBase = TUpdaterBase<TEvUpdated, TDerived>; 
- 
-protected: 
-    void Reply() { 
-        this->Send(this->Parent, new TEvUpdated()); 
-        this->PassAway(); 
-    } 
- 
-public: 
-    explicit TUpdaterBase(const TActorId& parent, TCmsStatePtr cmsState, TSentinelState::TPtr sentinelState) 
-        : TSentinelChildBase<TDerived>(parent, cmsState) 
-        , SentinelState(sentinelState) 
-    { 
-        for (auto& pdisk : SentinelState->PDisks) { 
-            pdisk.second.ClearTouched(); 
-        } 
-    } 
- 
-protected: 
-    TSentinelState::TPtr SentinelState; 
- 
-}; // TUpdaterBase 
- 
-class TConfigUpdater: public TUpdaterBase<TEvSentinel::TEvConfigUpdated, TConfigUpdater> { 
-    void Retry() { 
-        ++Attempt; 
-        Schedule(Config.RetryUpdateConfig, new TEvSentinel::TEvRetry()); 
-    } 
- 
-    void RequestBSConfig() { 
-        LOG_D("Request blobstorage config" 
-            << ": attempt# " << Attempt); 
- 
-        if (!CmsState->BSControllerPipe) { 
-            ConnectBSC(); 
-        } 
- 
+    TCmsStatePtr CmsState;
+    const TCmsSentinelConfig& Config;
+
+}; // TSentinelChildBase
+
+template <typename TEvUpdated, typename TDerived>
+class TUpdaterBase: public TSentinelChildBase<TDerived> {
+public:
+    using TBase = TUpdaterBase<TEvUpdated, TDerived>;
+
+protected:
+    void Reply() {
+        this->Send(this->Parent, new TEvUpdated());
+        this->PassAway();
+    }
+
+public:
+    explicit TUpdaterBase(const TActorId& parent, TCmsStatePtr cmsState, TSentinelState::TPtr sentinelState)
+        : TSentinelChildBase<TDerived>(parent, cmsState)
+        , SentinelState(sentinelState)
+    {
+        for (auto& pdisk : SentinelState->PDisks) {
+            pdisk.second.ClearTouched();
+        }
+    }
+
+protected:
+    TSentinelState::TPtr SentinelState;
+
+}; // TUpdaterBase
+
+class TConfigUpdater: public TUpdaterBase<TEvSentinel::TEvConfigUpdated, TConfigUpdater> {
+    void Retry() {
+        ++Attempt;
+        Schedule(Config.RetryUpdateConfig, new TEvSentinel::TEvRetry());
+    }
+
+    void RequestBSConfig() {
+        LOG_D("Request blobstorage config"
+            << ": attempt# " << Attempt);
+
+        if (!CmsState->BSControllerPipe) {
+            ConnectBSC();
+        }
+
         auto request = MakeHolder<TEvBlobStorage::TEvControllerConfigRequest>();
-        request->Record.MutableRequest()->AddCommand()->MutableQueryBaseConfig(); 
-        NTabletPipe::SendData(SelfId(), CmsState->BSControllerPipe, request.Release()); 
-    } 
- 
-    void Handle(TEvBlobStorage::TEvControllerConfigResponse::TPtr& ev) { 
-        const auto& response = ev->Get()->Record.GetResponse(); 
- 
-        LOG_D("Handle TEvBlobStorage::TEvControllerConfigResponse" 
-            << ": response# " << response.ShortDebugString()); 
- 
-        if (!response.GetSuccess() || !response.StatusSize() || !response.GetStatus(0).GetSuccess()) { 
-            TString error = "<no description>"; 
-            if (response.StatusSize()) { 
-                error = response.GetStatus(0).GetErrorDescription(); 
-            } 
- 
-            LOG_E("Unsuccesful response from BSC" 
-                << ", size# " << response.StatusSize() 
-                << ", error# " << error); 
-            Retry(); 
-        } else { 
-            auto& pdisks = SentinelState->PDisks; 
- 
-            for (const auto& pdisk : response.GetStatus(0).GetBaseConfig().GetPDisk()) { 
-                TPDiskID id(pdisk.GetNodeId(), pdisk.GetPDiskId()); 
- 
-                if (pdisks.contains(id)) { 
-                    pdisks.at(id).Touch(); 
-                    continue; 
-                } 
- 
-                pdisks.emplace(id, TPDiskInfo(pdisk.GetDriveStatus(), Config.DefaultStateLimit, Config.StateLimits)); 
-            } 
- 
-            Reply(); 
-        } 
-    } 
- 
-    void OnPipeDisconnected() { 
-        LOG_E("Pipe to BSC disconnected"); 
-        Retry(); 
-    } 
- 
-public: 
-    static constexpr NKikimrServices::TActivity::EType ActorActivityType() { 
-        return NKikimrServices::TActivity::CMS_SENTINEL_CONFIG_UPDATER_ACTOR; 
-    } 
- 
-    static TStringBuf Name() { 
+        request->Record.MutableRequest()->AddCommand()->MutableQueryBaseConfig();
+        NTabletPipe::SendData(SelfId(), CmsState->BSControllerPipe, request.Release());
+    }
+
+    void Handle(TEvBlobStorage::TEvControllerConfigResponse::TPtr& ev) {
+        const auto& response = ev->Get()->Record.GetResponse();
+
+        LOG_D("Handle TEvBlobStorage::TEvControllerConfigResponse"
+            << ": response# " << response.ShortDebugString());
+
+        if (!response.GetSuccess() || !response.StatusSize() || !response.GetStatus(0).GetSuccess()) {
+            TString error = "<no description>";
+            if (response.StatusSize()) {
+                error = response.GetStatus(0).GetErrorDescription();
+            }
+
+            LOG_E("Unsuccesful response from BSC"
+                << ", size# " << response.StatusSize()
+                << ", error# " << error);
+            Retry();
+        } else {
+            auto& pdisks = SentinelState->PDisks;
+
+            for (const auto& pdisk : response.GetStatus(0).GetBaseConfig().GetPDisk()) {
+                TPDiskID id(pdisk.GetNodeId(), pdisk.GetPDiskId());
+
+                if (pdisks.contains(id)) {
+                    pdisks.at(id).Touch();
+                    continue;
+                }
+
+                pdisks.emplace(id, TPDiskInfo(pdisk.GetDriveStatus(), Config.DefaultStateLimit, Config.StateLimits));
+            }
+
+            Reply();
+        }
+    }
+
+    void OnPipeDisconnected() {
+        LOG_E("Pipe to BSC disconnected");
+        Retry();
+    }
+
+public:
+    static constexpr NKikimrServices::TActivity::EType ActorActivityType() {
+        return NKikimrServices::TActivity::CMS_SENTINEL_CONFIG_UPDATER_ACTOR;
+    }
+
+    static TStringBuf Name() {
         return "ConfigUpdater"sv;
-    } 
- 
-    using TBase::TBase; 
- 
-    void Bootstrap() { 
-        RequestBSConfig(); 
-        Become(&TThis::StateWork); 
-    } 
- 
-    STFUNC(StateWork) { 
-        Y_UNUSED(ctx); 
-        switch (ev->GetTypeRewrite()) { 
-            cFunc(TEvSentinel::TEvRetry::EventType, RequestBSConfig); 
-            cFunc(TEvSentinel::TEvBSCPipeDisconnected::EventType, OnPipeDisconnected); 
- 
-            hFunc(TEvBlobStorage::TEvControllerConfigResponse, Handle); 
- 
-            cFunc(TEvents::TEvPoisonPill::EventType, PassAway); 
-        } 
-    } 
- 
-private: 
-    ui32 Attempt = 0; 
- 
-}; // TConfigUpdater 
- 
-class TStateUpdater: public TUpdaterBase<TEvSentinel::TEvStateUpdated, TStateUpdater> { 
-    using TEvWhiteboard = NNodeWhiteboard::TEvWhiteboard; 
- 
-    static EPDiskState SafePDiskState(EPDiskState state) { 
-        switch (state) { 
+    }
+
+    using TBase::TBase;
+
+    void Bootstrap() {
+        RequestBSConfig();
+        Become(&TThis::StateWork);
+    }
+
+    STFUNC(StateWork) {
+        Y_UNUSED(ctx);
+        switch (ev->GetTypeRewrite()) {
+            cFunc(TEvSentinel::TEvRetry::EventType, RequestBSConfig);
+            cFunc(TEvSentinel::TEvBSCPipeDisconnected::EventType, OnPipeDisconnected);
+
+            hFunc(TEvBlobStorage::TEvControllerConfigResponse, Handle);
+
+            cFunc(TEvents::TEvPoisonPill::EventType, PassAway);
+        }
+    }
+
+private:
+    ui32 Attempt = 0;
+
+}; // TConfigUpdater
+
+class TStateUpdater: public TUpdaterBase<TEvSentinel::TEvStateUpdated, TStateUpdater> {
+    using TEvWhiteboard = NNodeWhiteboard::TEvWhiteboard;
+
+    static EPDiskState SafePDiskState(EPDiskState state) {
+        switch (state) {
         case NKikimrBlobStorage::TPDiskState::Initial:
         case NKikimrBlobStorage::TPDiskState::InitialFormatRead:
         case NKikimrBlobStorage::TPDiskState::InitialFormatReadError:
@@ -445,629 +445,629 @@ class TStateUpdater: public TUpdaterBase<TEvSentinel::TEvStateUpdated, TStateUpd
         case NKikimrBlobStorage::TPDiskState::OpenFileError:
         case NKikimrBlobStorage::TPDiskState::ChunkQuotaError:
         case NKikimrBlobStorage::TPDiskState::DeviceIoError:
-            return state; 
-        default: 
-            LOG_C("Unknown pdisk state: " << (ui32)state); 
+            return state;
+        default:
+            LOG_C("Unknown pdisk state: " << (ui32)state);
             return NKikimrBlobStorage::TPDiskState::Unknown;
-        } 
-    } 
- 
-    bool AcceptNodeReply(ui32 nodeId) { 
-        auto it = WaitNodes.find(nodeId); 
-        if (it == WaitNodes.end()) { 
-            return false; 
-        } 
- 
-        WaitNodes.erase(it); 
-        return true; 
-    } 
- 
-    void MaybeReply() { 
-        if (WaitNodes) { 
-            return; 
-        } 
- 
-        Reply(); 
-    } 
- 
-    void MarkNodePDisks(ui32 nodeId, EPDiskState state, bool skipTouched = false) { 
-        auto it = SentinelState->PDisks.lower_bound(TPDiskID(nodeId, 0)); 
-        while (it != SentinelState->PDisks.end() && it->first.NodeId == nodeId) { 
-            if (skipTouched && it->second.IsTouched()) { 
-                ++it; 
-                continue; 
-            } 
- 
-            Y_VERIFY(!it->second.IsTouched()); 
-            it->second.AddState(state); 
-            ++it; 
-        } 
-    } 
- 
-    void RequestPDiskState(ui32 nodeId) { 
+        }
+    }
+
+    bool AcceptNodeReply(ui32 nodeId) {
+        auto it = WaitNodes.find(nodeId);
+        if (it == WaitNodes.end()) {
+            return false;
+        }
+
+        WaitNodes.erase(it);
+        return true;
+    }
+
+    void MaybeReply() {
+        if (WaitNodes) {
+            return;
+        }
+
+        Reply();
+    }
+
+    void MarkNodePDisks(ui32 nodeId, EPDiskState state, bool skipTouched = false) {
+        auto it = SentinelState->PDisks.lower_bound(TPDiskID(nodeId, 0));
+        while (it != SentinelState->PDisks.end() && it->first.NodeId == nodeId) {
+            if (skipTouched && it->second.IsTouched()) {
+                ++it;
+                continue;
+            }
+
+            Y_VERIFY(!it->second.IsTouched());
+            it->second.AddState(state);
+            ++it;
+        }
+    }
+
+    void RequestPDiskState(ui32 nodeId) {
         const TActorId wbId = NNodeWhiteboard::MakeNodeWhiteboardServiceId(nodeId);
-        const ui32 flags = IEventHandle::FlagTrackDelivery; 
- 
-        LOG_D("Request pdisks state" 
-            << ": nodeId# " << nodeId 
-            << ", wbId# " << wbId); 
-        Send(wbId, new TEvWhiteboard::TEvPDiskStateRequest(), flags, nodeId); 
-    } 
- 
-    void Handle(TEvWhiteboard::TEvPDiskStateResponse::TPtr& ev) { 
-        const ui32 nodeId = ev->Sender.NodeId(); 
-        const auto& record = ev->Get()->Record; 
- 
-        LOG_D("Handle TEvWhiteboard::TEvPDiskStateResponse" 
-            << ": nodeId# " << nodeId 
-            << ", response# " << record.ShortDebugString()); 
- 
-        if (!AcceptNodeReply(nodeId)) { 
-            LOG_W("PDisk info from unknown node" 
-                << ": nodeId# " << nodeId); 
-            return; 
-        } 
- 
-        if (!record.PDiskStateInfoSize()) { 
-            LOG_E("There is no pdisk info" 
-                << ": nodeId# " << nodeId); 
+        const ui32 flags = IEventHandle::FlagTrackDelivery;
+
+        LOG_D("Request pdisks state"
+            << ": nodeId# " << nodeId
+            << ", wbId# " << wbId);
+        Send(wbId, new TEvWhiteboard::TEvPDiskStateRequest(), flags, nodeId);
+    }
+
+    void Handle(TEvWhiteboard::TEvPDiskStateResponse::TPtr& ev) {
+        const ui32 nodeId = ev->Sender.NodeId();
+        const auto& record = ev->Get()->Record;
+
+        LOG_D("Handle TEvWhiteboard::TEvPDiskStateResponse"
+            << ": nodeId# " << nodeId
+            << ", response# " << record.ShortDebugString());
+
+        if (!AcceptNodeReply(nodeId)) {
+            LOG_W("PDisk info from unknown node"
+                << ": nodeId# " << nodeId);
+            return;
+        }
+
+        if (!record.PDiskStateInfoSize()) {
+            LOG_E("There is no pdisk info"
+                << ": nodeId# " << nodeId);
             MarkNodePDisks(nodeId, NKikimrBlobStorage::TPDiskState::Missing);
-        } else { 
-            for (const auto& info : record.GetPDiskStateInfo()) { 
-                auto it = SentinelState->PDisks.find(TPDiskID(nodeId, info.GetPDiskId())); 
-                if (it == SentinelState->PDisks.end()) { 
-                    continue; 
-                } 
- 
-                const auto safeState = SafePDiskState(info.GetState()); 
-                LOG_T("SafePDiskState" 
-                    << ": pdiskId# " << it->first 
-                    << ", original# " << (ui32)info.GetState() 
-                    << ", safeState# " << safeState); 
- 
-                it->second.AddState(safeState); 
-            } 
- 
+        } else {
+            for (const auto& info : record.GetPDiskStateInfo()) {
+                auto it = SentinelState->PDisks.find(TPDiskID(nodeId, info.GetPDiskId()));
+                if (it == SentinelState->PDisks.end()) {
+                    continue;
+                }
+
+                const auto safeState = SafePDiskState(info.GetState());
+                LOG_T("SafePDiskState"
+                    << ": pdiskId# " << it->first
+                    << ", original# " << (ui32)info.GetState()
+                    << ", safeState# " << safeState);
+
+                it->second.AddState(safeState);
+            }
+
             MarkNodePDisks(nodeId, NKikimrBlobStorage::TPDiskState::Missing, true);
-        } 
- 
-        MaybeReply(); 
-    } 
- 
-    void Handle(TEvents::TEvUndelivered::TPtr& ev) { 
-        using EReason = TEvents::TEvUndelivered::EReason; 
- 
-        const ui32 nodeId = ev->Cookie; 
-        const EReason reason = ev->Get()->Reason; 
- 
-        LOG_D("Handle TEvents::TEvUndelivered" 
-            << ": nodeId# " << nodeId 
-            << ", sourceType# " << ev->Get()->SourceType 
-            << ", reason# " << reason); 
- 
-        if (!AcceptNodeReply(nodeId)) { 
-            LOG_W("Undelivered to unknown node" 
-                << ": nodeId# " << nodeId); 
-            return; 
-        } 
- 
-        LOG_E("Cannot get pdisks state" 
-            << ": nodeId# " << nodeId 
-            << ", reason# " << reason); 
- 
-        switch (reason) { 
-        case EReason::Disconnected: 
+        }
+
+        MaybeReply();
+    }
+
+    void Handle(TEvents::TEvUndelivered::TPtr& ev) {
+        using EReason = TEvents::TEvUndelivered::EReason;
+
+        const ui32 nodeId = ev->Cookie;
+        const EReason reason = ev->Get()->Reason;
+
+        LOG_D("Handle TEvents::TEvUndelivered"
+            << ": nodeId# " << nodeId
+            << ", sourceType# " << ev->Get()->SourceType
+            << ", reason# " << reason);
+
+        if (!AcceptNodeReply(nodeId)) {
+            LOG_W("Undelivered to unknown node"
+                << ": nodeId# " << nodeId);
+            return;
+        }
+
+        LOG_E("Cannot get pdisks state"
+            << ": nodeId# " << nodeId
+            << ", reason# " << reason);
+
+        switch (reason) {
+        case EReason::Disconnected:
             MarkNodePDisks(nodeId, NKikimrBlobStorage::TPDiskState::NodeDisconnected);
-            break; 
- 
-        default: 
+            break;
+
+        default:
             MarkNodePDisks(nodeId, NKikimrBlobStorage::TPDiskState::Unknown);
-            break; 
-        } 
- 
-        MaybeReply(); 
-    } 
- 
-    void TimedOut() { 
-        LOG_E("Timed out" 
-            << ": timeout# " << Config.UpdateStateTimeout); 
- 
-        while (WaitNodes) { 
-            const ui32 nodeId = *WaitNodes.begin(); 
- 
+            break;
+        }
+
+        MaybeReply();
+    }
+
+    void TimedOut() {
+        LOG_E("Timed out"
+            << ": timeout# " << Config.UpdateStateTimeout);
+
+        while (WaitNodes) {
+            const ui32 nodeId = *WaitNodes.begin();
+
             MarkNodePDisks(nodeId, NKikimrBlobStorage::TPDiskState::Timeout);
-            AcceptNodeReply(nodeId); 
-        } 
- 
-        MaybeReply(); 
-    } 
- 
-public: 
-    static constexpr NKikimrServices::TActivity::EType ActorActivityType() { 
-        return NKikimrServices::TActivity::CMS_SENTINEL_STATE_UPDATER_ACTOR; 
-    } 
- 
-    static TStringBuf Name() { 
+            AcceptNodeReply(nodeId);
+        }
+
+        MaybeReply();
+    }
+
+public:
+    static constexpr NKikimrServices::TActivity::EType ActorActivityType() {
+        return NKikimrServices::TActivity::CMS_SENTINEL_STATE_UPDATER_ACTOR;
+    }
+
+    static TStringBuf Name() {
         return "StateUpdater"sv;
-    } 
- 
-    using TBase::TBase; 
- 
-    void Bootstrap() { 
-        for (const auto& pdisk : SentinelState->PDisks) { 
-            if (WaitNodes.insert(pdisk.first.NodeId).second) { 
-                RequestPDiskState(pdisk.first.NodeId); 
-            } 
-        } 
- 
-        Become(&TThis::StateWork, Config.UpdateStateTimeout, new TEvSentinel::TEvTimeout()); 
-    } 
- 
-    STFUNC(StateWork) { 
-        Y_UNUSED(ctx); 
-        switch (ev->GetTypeRewrite()) { 
-            cFunc(TEvSentinel::TEvTimeout::EventType, TimedOut); 
- 
-            hFunc(TEvWhiteboard::TEvPDiskStateResponse, Handle); 
- 
-            hFunc(TEvents::TEvUndelivered, Handle); 
-            cFunc(TEvents::TEvPoisonPill::EventType, PassAway); 
-        } 
-    } 
- 
-private: 
-    THashSet<ui32> WaitNodes; 
- 
-}; // TStateUpdater 
- 
-class TStatusChanger: public TSentinelChildBase<TStatusChanger> { 
-    void Reply(bool success = true) { 
-        Send(Parent, new TEvSentinel::TEvStatusChanged(Id, success)); 
-        PassAway(); 
-    } 
- 
-    void MaybeRetry() { 
-        if (Attempt++ < Config.ChangeStatusRetries) { 
-            Schedule(Config.RetryChangeStatus, new TEvSentinel::TEvRetry()); 
-        } else { 
-            Reply(false); 
-        } 
-    } 
- 
-    void RequestStatusChange() { 
-        LOG_D("Change pdisk status" 
-            << ": pdiskId# " << Id 
-            << ", status# " << Status 
-            << ", attempt# " << Attempt); 
- 
-        if (!CmsState->BSControllerPipe) { 
-            ConnectBSC(); 
-        } 
- 
+    }
+
+    using TBase::TBase;
+
+    void Bootstrap() {
+        for (const auto& pdisk : SentinelState->PDisks) {
+            if (WaitNodes.insert(pdisk.first.NodeId).second) {
+                RequestPDiskState(pdisk.first.NodeId);
+            }
+        }
+
+        Become(&TThis::StateWork, Config.UpdateStateTimeout, new TEvSentinel::TEvTimeout());
+    }
+
+    STFUNC(StateWork) {
+        Y_UNUSED(ctx);
+        switch (ev->GetTypeRewrite()) {
+            cFunc(TEvSentinel::TEvTimeout::EventType, TimedOut);
+
+            hFunc(TEvWhiteboard::TEvPDiskStateResponse, Handle);
+
+            hFunc(TEvents::TEvUndelivered, Handle);
+            cFunc(TEvents::TEvPoisonPill::EventType, PassAway);
+        }
+    }
+
+private:
+    THashSet<ui32> WaitNodes;
+
+}; // TStateUpdater
+
+class TStatusChanger: public TSentinelChildBase<TStatusChanger> {
+    void Reply(bool success = true) {
+        Send(Parent, new TEvSentinel::TEvStatusChanged(Id, success));
+        PassAway();
+    }
+
+    void MaybeRetry() {
+        if (Attempt++ < Config.ChangeStatusRetries) {
+            Schedule(Config.RetryChangeStatus, new TEvSentinel::TEvRetry());
+        } else {
+            Reply(false);
+        }
+    }
+
+    void RequestStatusChange() {
+        LOG_D("Change pdisk status"
+            << ": pdiskId# " << Id
+            << ", status# " << Status
+            << ", attempt# " << Attempt);
+
+        if (!CmsState->BSControllerPipe) {
+            ConnectBSC();
+        }
+
         auto request = MakeHolder<TEvBlobStorage::TEvControllerConfigRequest>();
-        auto& command = *request->Record.MutableRequest()->AddCommand()->MutableUpdateDriveStatus(); 
-        command.MutableHostKey()->SetNodeId(Id.NodeId); 
-        command.SetPDiskId(Id.DiskId); 
-        command.SetStatus(Status); 
-        NTabletPipe::SendData(SelfId(), CmsState->BSControllerPipe, request.Release()); 
-    } 
- 
-    void Handle(TEvBlobStorage::TEvControllerConfigResponse::TPtr& ev) { 
-        const auto& response = ev->Get()->Record.GetResponse(); 
- 
-        LOG_D("Handle TEvBlobStorage::TEvControllerConfigResponse" 
-            << ": response# " << response.ShortDebugString()); 
- 
-        if (!response.GetSuccess() || !response.StatusSize() || !response.GetStatus(0).GetSuccess()) { 
-            TString error = "<no description>"; 
-            if (response.StatusSize()) { 
-                error = response.GetStatus(0).GetErrorDescription(); 
-            } 
- 
-            LOG_E("Unsuccesful response from BSC" 
-                << ", size# " << response.StatusSize() 
-                << ", error# " << error); 
-            MaybeRetry(); 
-        } else { 
-            Reply(); 
-        } 
-    } 
- 
-    void OnPipeDisconnected() { 
-        LOG_E("Pipe to BSC disconnected"); 
-        MaybeRetry(); 
-    } 
- 
-public: 
-    static constexpr NKikimrServices::TActivity::EType ActorActivityType() { 
-        return NKikimrServices::TActivity::CMS_SENTINEL_STATUS_CHANGER_ACTOR; 
-    } 
- 
-    static TStringBuf Name() { 
+        auto& command = *request->Record.MutableRequest()->AddCommand()->MutableUpdateDriveStatus();
+        command.MutableHostKey()->SetNodeId(Id.NodeId);
+        command.SetPDiskId(Id.DiskId);
+        command.SetStatus(Status);
+        NTabletPipe::SendData(SelfId(), CmsState->BSControllerPipe, request.Release());
+    }
+
+    void Handle(TEvBlobStorage::TEvControllerConfigResponse::TPtr& ev) {
+        const auto& response = ev->Get()->Record.GetResponse();
+
+        LOG_D("Handle TEvBlobStorage::TEvControllerConfigResponse"
+            << ": response# " << response.ShortDebugString());
+
+        if (!response.GetSuccess() || !response.StatusSize() || !response.GetStatus(0).GetSuccess()) {
+            TString error = "<no description>";
+            if (response.StatusSize()) {
+                error = response.GetStatus(0).GetErrorDescription();
+            }
+
+            LOG_E("Unsuccesful response from BSC"
+                << ", size# " << response.StatusSize()
+                << ", error# " << error);
+            MaybeRetry();
+        } else {
+            Reply();
+        }
+    }
+
+    void OnPipeDisconnected() {
+        LOG_E("Pipe to BSC disconnected");
+        MaybeRetry();
+    }
+
+public:
+    static constexpr NKikimrServices::TActivity::EType ActorActivityType() {
+        return NKikimrServices::TActivity::CMS_SENTINEL_STATUS_CHANGER_ACTOR;
+    }
+
+    static TStringBuf Name() {
         return "StatusChanger"sv;
-    } 
- 
-    explicit TStatusChanger( 
+    }
+
+    explicit TStatusChanger(
             const TActorId& parent,
-            TCmsStatePtr state, 
-            const TPDiskID& id, 
-            NKikimrBlobStorage::EDriveStatus status) 
-        : TBase(parent, state) 
-        , Id(id) 
-        , Status(status) 
-    { 
-    } 
- 
-    void Bootstrap() { 
-        RequestStatusChange(); 
-        Become(&TThis::StateWork); 
-    } 
- 
-    STFUNC(StateWork) { 
-        Y_UNUSED(ctx); 
-        switch (ev->GetTypeRewrite()) { 
-            cFunc(TEvSentinel::TEvRetry::EventType, RequestStatusChange); 
-            cFunc(TEvSentinel::TEvBSCPipeDisconnected::EventType, OnPipeDisconnected); 
- 
-            hFunc(TEvBlobStorage::TEvControllerConfigResponse, Handle); 
- 
-            cFunc(TEvents::TEvPoisonPill::EventType, PassAway); 
-        } 
-    } 
- 
-private: 
-    const TPDiskID Id; 
-    const NKikimrBlobStorage::EDriveStatus Status; 
- 
-    ui32 Attempt = 0; 
- 
-}; // TStatusChanger 
- 
-class TSentinel: public TActorBootstrapped<TSentinel> { 
-    struct TCounters { 
-        using TDynamicCounters = NMonitoring::TDynamicCounters; 
-        using TDynamicCounterPtr = NMonitoring::TDynamicCounterPtr; 
- 
-        TDynamicCounterPtr Group; 
-        TDynamicCounters::TCounterPtr PDisksTotal; 
-        TDynamicCounters::TCounterPtr PDisksPendingChange; 
-        TDynamicCounters::TCounterPtr PDisksChanged; 
-        TDynamicCounters::TCounterPtr PDisksNotChanged; 
- 
-        explicit TCounters(TDynamicCounterPtr counters) 
-            : Group(counters) 
-            , PDisksTotal(counters->GetCounter("PDisksTotal", false)) 
-            , PDisksPendingChange(counters->GetCounter("PDisksPendingChange", true)) 
-            , PDisksChanged(counters->GetCounter("PDisksChanged", true)) 
-            , PDisksNotChanged(counters->GetCounter("PDisksNotChanged", true)) 
-        { 
-        } 
- 
-        ~TCounters() { 
-            Group->ResetCounters(); 
-        } 
-    }; 
- 
-    struct TUpdaterInfo { 
+            TCmsStatePtr state,
+            const TPDiskID& id,
+            NKikimrBlobStorage::EDriveStatus status)
+        : TBase(parent, state)
+        , Id(id)
+        , Status(status)
+    {
+    }
+
+    void Bootstrap() {
+        RequestStatusChange();
+        Become(&TThis::StateWork);
+    }
+
+    STFUNC(StateWork) {
+        Y_UNUSED(ctx);
+        switch (ev->GetTypeRewrite()) {
+            cFunc(TEvSentinel::TEvRetry::EventType, RequestStatusChange);
+            cFunc(TEvSentinel::TEvBSCPipeDisconnected::EventType, OnPipeDisconnected);
+
+            hFunc(TEvBlobStorage::TEvControllerConfigResponse, Handle);
+
+            cFunc(TEvents::TEvPoisonPill::EventType, PassAway);
+        }
+    }
+
+private:
+    const TPDiskID Id;
+    const NKikimrBlobStorage::EDriveStatus Status;
+
+    ui32 Attempt = 0;
+
+}; // TStatusChanger
+
+class TSentinel: public TActorBootstrapped<TSentinel> {
+    struct TCounters {
+        using TDynamicCounters = NMonitoring::TDynamicCounters;
+        using TDynamicCounterPtr = NMonitoring::TDynamicCounterPtr;
+
+        TDynamicCounterPtr Group;
+        TDynamicCounters::TCounterPtr PDisksTotal;
+        TDynamicCounters::TCounterPtr PDisksPendingChange;
+        TDynamicCounters::TCounterPtr PDisksChanged;
+        TDynamicCounters::TCounterPtr PDisksNotChanged;
+
+        explicit TCounters(TDynamicCounterPtr counters)
+            : Group(counters)
+            , PDisksTotal(counters->GetCounter("PDisksTotal", false))
+            , PDisksPendingChange(counters->GetCounter("PDisksPendingChange", true))
+            , PDisksChanged(counters->GetCounter("PDisksChanged", true))
+            , PDisksNotChanged(counters->GetCounter("PDisksNotChanged", true))
+        {
+        }
+
+        ~TCounters() {
+            Group->ResetCounters();
+        }
+    };
+
+    struct TUpdaterInfo {
         TActorId Id;
-        TInstant StartedAt; 
-        bool Delayed; 
- 
-        TUpdaterInfo() { 
-            Clear(); 
-        } 
- 
+        TInstant StartedAt;
+        bool Delayed;
+
+        TUpdaterInfo() {
+            Clear();
+        }
+
         void Start(const TActorId& id, const TInstant& now) {
-            Id = id; 
-            StartedAt = now; 
-            Delayed = false; 
-        } 
- 
-        void Clear() { 
+            Id = id;
+            StartedAt = now;
+            Delayed = false;
+        }
+
+        void Clear() {
             Id = TActorId();
-            StartedAt = TInstant::Zero(); 
-            Delayed = false; 
-        } 
-    }; 
- 
-    static TInstant Now() { 
-        return TlsActivationContext->Now(); 
-    } 
- 
-    template <typename TUpdater> 
-    void StartUpdater(TUpdaterInfo& updater) { 
-        if (ConfigUpdater.Id || StateUpdater.Id) { 
-            LOG_I(TUpdater::Name() << " was delayed"); 
-            updater.Delayed = true; 
-            return; 
-        } 
- 
-        LOG_D("Start " << TUpdater::Name()); 
-        updater.Start(RegisterWithSameMailbox(new TUpdater(SelfId(), CmsState, SentinelState)), Now()); 
-    } 
- 
-    template <typename TEvThis, typename TUpdaterThat> 
-    void ScheduleUpdate(TUpdaterInfo& updaterThis, const TDuration& intervalThis, TUpdaterInfo& updaterThat) { 
-        TDuration elapsed = Now() - updaterThis.StartedAt; 
-        TDuration delay; 
- 
-        if (elapsed > intervalThis) { 
-            delay = TDuration::MilliSeconds(1); 
-        } else { 
-            delay = intervalThis - elapsed; 
-        } 
- 
-        updaterThis.Clear(); 
-        Schedule(delay, new TEvThis()); 
- 
-        if (updaterThat.Delayed) { 
-            StartUpdater<TUpdaterThat>(updaterThat); 
-        } 
-    } 
- 
-    void RemoveUntouched() { 
-        EraseNodesIf(SentinelState->PDisks, [](const auto& kv) { 
-            return !kv.second.IsTouched(); 
-        }); 
-    } 
- 
-    void EnsureAllTouched() const { 
-        Y_VERIFY(AllOf(SentinelState->PDisks, [](const auto& kv) { 
-            return kv.second.IsTouched(); 
-        })); 
-    } 
- 
-    void LogStatusChange(const TPDiskID& id, EPDiskStatus status, EPDiskStatus requiredStatus, const TString& reason) { 
-        auto ev = MakeHolder<TCms::TEvPrivate::TEvLogAndSend>(); 
- 
-        ev->LogData.SetRecordType(NKikimrCms::TLogRecordData::PDISK_MONITOR_ACTION); 
-        auto& action = *ev->LogData.MutablePDiskMonitorAction(); 
-        id.Serialize(action.MutablePDiskId()); 
-        action.SetCurrentStatus(status); 
-        action.SetRequiredStatus(requiredStatus); 
- 
-        Y_VERIFY(CmsState->ClusterInfo->HasNode(id.NodeId)); 
-        action.SetHost(CmsState->ClusterInfo->Node(id.NodeId).Host); 
- 
-        if (reason) { 
-            action.SetReason(reason); 
-        } 
- 
-        Send(CmsState->CmsActorId, std::move(ev)); 
-    } 
- 
-    void UpdateConfig() { 
-        LOG_D("UpdateConfig"); 
-        StartUpdater<TConfigUpdater>(ConfigUpdater); 
-    } 
- 
-    void OnConfigUpdated() { 
-        LOG_D("Config was updated in " << (Now() - ConfigUpdater.StartedAt)); 
- 
-        RemoveUntouched(); 
-        *Counters->PDisksTotal = SentinelState->PDisks.size(); 
- 
-        ScheduleUpdate<TEvSentinel::TEvUpdateConfig, TStateUpdater>( 
-            ConfigUpdater, Config.UpdateConfigInterval, StateUpdater 
-        ); 
-    } 
- 
-    void UpdateState() { 
-        LOG_D("UpdateState"); 
-        StartUpdater<TStateUpdater>(StateUpdater); 
-    } 
- 
-    void OnStateUpdated() { 
-        LOG_D("State was updated in " << (Now() - StateUpdater.StartedAt)); 
- 
-        EnsureAllTouched(); 
- 
-        if (!CmsState->ClusterInfo) { 
-            LOG_C("Missing cluster info"); 
-            ScheduleUpdate<TEvSentinel::TEvUpdateState, TConfigUpdater>( 
-                StateUpdater, Config.UpdateStateInterval, ConfigUpdater 
-            ); 
- 
-            return; 
-        } 
- 
+            StartedAt = TInstant::Zero();
+            Delayed = false;
+        }
+    };
+
+    static TInstant Now() {
+        return TlsActivationContext->Now();
+    }
+
+    template <typename TUpdater>
+    void StartUpdater(TUpdaterInfo& updater) {
+        if (ConfigUpdater.Id || StateUpdater.Id) {
+            LOG_I(TUpdater::Name() << " was delayed");
+            updater.Delayed = true;
+            return;
+        }
+
+        LOG_D("Start " << TUpdater::Name());
+        updater.Start(RegisterWithSameMailbox(new TUpdater(SelfId(), CmsState, SentinelState)), Now());
+    }
+
+    template <typename TEvThis, typename TUpdaterThat>
+    void ScheduleUpdate(TUpdaterInfo& updaterThis, const TDuration& intervalThis, TUpdaterInfo& updaterThat) {
+        TDuration elapsed = Now() - updaterThis.StartedAt;
+        TDuration delay;
+
+        if (elapsed > intervalThis) {
+            delay = TDuration::MilliSeconds(1);
+        } else {
+            delay = intervalThis - elapsed;
+        }
+
+        updaterThis.Clear();
+        Schedule(delay, new TEvThis());
+
+        if (updaterThat.Delayed) {
+            StartUpdater<TUpdaterThat>(updaterThat);
+        }
+    }
+
+    void RemoveUntouched() {
+        EraseNodesIf(SentinelState->PDisks, [](const auto& kv) {
+            return !kv.second.IsTouched();
+        });
+    }
+
+    void EnsureAllTouched() const {
+        Y_VERIFY(AllOf(SentinelState->PDisks, [](const auto& kv) {
+            return kv.second.IsTouched();
+        }));
+    }
+
+    void LogStatusChange(const TPDiskID& id, EPDiskStatus status, EPDiskStatus requiredStatus, const TString& reason) {
+        auto ev = MakeHolder<TCms::TEvPrivate::TEvLogAndSend>();
+
+        ev->LogData.SetRecordType(NKikimrCms::TLogRecordData::PDISK_MONITOR_ACTION);
+        auto& action = *ev->LogData.MutablePDiskMonitorAction();
+        id.Serialize(action.MutablePDiskId());
+        action.SetCurrentStatus(status);
+        action.SetRequiredStatus(requiredStatus);
+
+        Y_VERIFY(CmsState->ClusterInfo->HasNode(id.NodeId));
+        action.SetHost(CmsState->ClusterInfo->Node(id.NodeId).Host);
+
+        if (reason) {
+            action.SetReason(reason);
+        }
+
+        Send(CmsState->CmsActorId, std::move(ev));
+    }
+
+    void UpdateConfig() {
+        LOG_D("UpdateConfig");
+        StartUpdater<TConfigUpdater>(ConfigUpdater);
+    }
+
+    void OnConfigUpdated() {
+        LOG_D("Config was updated in " << (Now() - ConfigUpdater.StartedAt));
+
+        RemoveUntouched();
+        *Counters->PDisksTotal = SentinelState->PDisks.size();
+
+        ScheduleUpdate<TEvSentinel::TEvUpdateConfig, TStateUpdater>(
+            ConfigUpdater, Config.UpdateConfigInterval, StateUpdater
+        );
+    }
+
+    void UpdateState() {
+        LOG_D("UpdateState");
+        StartUpdater<TStateUpdater>(StateUpdater);
+    }
+
+    void OnStateUpdated() {
+        LOG_D("State was updated in " << (Now() - StateUpdater.StartedAt));
+
+        EnsureAllTouched();
+
+        if (!CmsState->ClusterInfo) {
+            LOG_C("Missing cluster info");
+            ScheduleUpdate<TEvSentinel::TEvUpdateState, TConfigUpdater>(
+                StateUpdater, Config.UpdateStateInterval, ConfigUpdater
+            );
+
+            return;
+        }
+
         TClusterMap all(CmsState);
-        TGuardian changed(CmsState, Config.DataCenterRatio, Config.RoomRatio, Config.RackRatio); 
+        TGuardian changed(CmsState, Config.DataCenterRatio, Config.RoomRatio, Config.RackRatio);
         TClusterMap::TPDiskIDSet alwaysAllowed;
- 
-        for (auto& pdisk : SentinelState->PDisks) { 
-            const TPDiskID& id = pdisk.first; 
-            TPDiskInfo& info = pdisk.second; 
- 
-            if (!CmsState->ClusterInfo->HasNode(id.NodeId)) { 
-                LOG_E("Missing node info" 
-                    << ": pdiskId# " << id); 
-                continue; 
-            } 
- 
-            if (!CmsState->ClusterInfo->HasPDisk(id)) { 
-                LOG_E("Missing pdisk info" 
-                    << ": pdiskId# " << id); 
-                continue; 
-            } 
- 
-            all.AddPDisk(id); 
-            if (info.IsChanged()) { 
+
+        for (auto& pdisk : SentinelState->PDisks) {
+            const TPDiskID& id = pdisk.first;
+            TPDiskInfo& info = pdisk.second;
+
+            if (!CmsState->ClusterInfo->HasNode(id.NodeId)) {
+                LOG_E("Missing node info"
+                    << ": pdiskId# " << id);
+                continue;
+            }
+
+            if (!CmsState->ClusterInfo->HasPDisk(id)) {
+                LOG_E("Missing pdisk info"
+                    << ": pdiskId# " << id);
+                continue;
+            }
+
+            all.AddPDisk(id);
+            if (info.IsChanged()) {
                 if (info.IsNewStatusGood()) {
                     alwaysAllowed.insert(id);
                 } else {
                     changed.AddPDisk(id);
                 }
-            } else { 
-                info.AllowChanging(); 
-            } 
-        } 
- 
-        TString issues; 
-        THashSet<TPDiskID, TPDiskIDHash> disallowed; 
- 
+            } else {
+                info.AllowChanging();
+            }
+        }
+
+        TString issues;
+        THashSet<TPDiskID, TPDiskIDHash> disallowed;
+
         TClusterMap::TPDiskIDSet allowed = changed.GetAllowedPDisks(all, issues, disallowed);
         Copy(alwaysAllowed.begin(), alwaysAllowed.end(), std::inserter(allowed, allowed.begin()));
         for (const TPDiskID& id : allowed) {
-            Y_VERIFY(SentinelState->PDisks.contains(id)); 
-            TPDiskInfo& info = SentinelState->PDisks.at(id); 
- 
-            if (!info.IsChangingAllowed()) { 
-                info.AllowChanging(); 
-                continue; 
-            } 
- 
-            if (info.StatusChanger) { 
-                continue; 
-            } 
- 
-            const EPDiskStatus status = info.GetStatus(); 
-            TString reason; 
-            info.ApplyChanges(reason); 
-            const EPDiskStatus requiredStatus = info.GetStatus(); 
- 
-            LOG_N("PDisk status changed" 
-                << ": pdiskId# " << id 
-                << ", status# " << status 
-                << ", required status# " << requiredStatus 
-                << ", reason# " << reason 
-                << ", dry run# " << Config.DryRun); 
-            LogStatusChange(id, status, requiredStatus, reason); 
- 
-            if (!Config.DryRun) { 
-                info.StatusChanger = Register(new TStatusChanger(SelfId(), CmsState, id, requiredStatus)); 
-                (*Counters->PDisksPendingChange)++; 
-            } 
-        } 
- 
-        for (const TPDiskID& id : disallowed) { 
-            Y_VERIFY(SentinelState->PDisks.contains(id)); 
-            SentinelState->PDisks.at(id).DisallowChanging(); 
-        } 
- 
-        if (issues) { 
-            LOG_W(issues); 
-        } 
- 
-        ScheduleUpdate<TEvSentinel::TEvUpdateState, TConfigUpdater>( 
-            StateUpdater, Config.UpdateStateInterval, ConfigUpdater 
-        ); 
-    } 
- 
-    void Handle(TEvSentinel::TEvStatusChanged::TPtr& ev) { 
-        const TPDiskID& id = ev->Get()->Id; 
-        const bool success = ev->Get()->Success; 
- 
-        LOG_D("Handle TEvSentinel::TEvStatusChanged" 
-            << ": pdiskId# " << id 
-            << ", success# " << (success ? "true" : "false")); 
- 
-        auto it = SentinelState->PDisks.find(id); 
-        if (it == SentinelState->PDisks.end()) { 
-            LOG_W("Status of unknown pdisk has been changed" 
-                << ": pdiskId# " << id); 
-            return; 
-        } 
- 
-        if (!success) { 
-            LOG_C("PDisk status has NOT been changed" 
-                << ": pdiskId# " << id); 
-            (*Counters->PDisksNotChanged)++; 
-        } else { 
-            LOG_N("PDisk status has been changed" 
-                << ": pdiskId# " << id); 
-            (*Counters->PDisksChanged)++; 
-        } 
- 
+            Y_VERIFY(SentinelState->PDisks.contains(id));
+            TPDiskInfo& info = SentinelState->PDisks.at(id);
+
+            if (!info.IsChangingAllowed()) {
+                info.AllowChanging();
+                continue;
+            }
+
+            if (info.StatusChanger) {
+                continue;
+            }
+
+            const EPDiskStatus status = info.GetStatus();
+            TString reason;
+            info.ApplyChanges(reason);
+            const EPDiskStatus requiredStatus = info.GetStatus();
+
+            LOG_N("PDisk status changed"
+                << ": pdiskId# " << id
+                << ", status# " << status
+                << ", required status# " << requiredStatus
+                << ", reason# " << reason
+                << ", dry run# " << Config.DryRun);
+            LogStatusChange(id, status, requiredStatus, reason);
+
+            if (!Config.DryRun) {
+                info.StatusChanger = Register(new TStatusChanger(SelfId(), CmsState, id, requiredStatus));
+                (*Counters->PDisksPendingChange)++;
+            }
+        }
+
+        for (const TPDiskID& id : disallowed) {
+            Y_VERIFY(SentinelState->PDisks.contains(id));
+            SentinelState->PDisks.at(id).DisallowChanging();
+        }
+
+        if (issues) {
+            LOG_W(issues);
+        }
+
+        ScheduleUpdate<TEvSentinel::TEvUpdateState, TConfigUpdater>(
+            StateUpdater, Config.UpdateStateInterval, ConfigUpdater
+        );
+    }
+
+    void Handle(TEvSentinel::TEvStatusChanged::TPtr& ev) {
+        const TPDiskID& id = ev->Get()->Id;
+        const bool success = ev->Get()->Success;
+
+        LOG_D("Handle TEvSentinel::TEvStatusChanged"
+            << ": pdiskId# " << id
+            << ", success# " << (success ? "true" : "false"));
+
+        auto it = SentinelState->PDisks.find(id);
+        if (it == SentinelState->PDisks.end()) {
+            LOG_W("Status of unknown pdisk has been changed"
+                << ": pdiskId# " << id);
+            return;
+        }
+
+        if (!success) {
+            LOG_C("PDisk status has NOT been changed"
+                << ": pdiskId# " << id);
+            (*Counters->PDisksNotChanged)++;
+        } else {
+            LOG_N("PDisk status has been changed"
+                << ": pdiskId# " << id);
+            (*Counters->PDisksChanged)++;
+        }
+
         it->second.StatusChanger = TActorId();
-    } 
- 
-    void OnPipeDisconnected() { 
+    }
+
+    void OnPipeDisconnected() {
         if (const TActorId& actor = ConfigUpdater.Id) {
-            Send(actor, new TEvSentinel::TEvBSCPipeDisconnected()); 
-        } 
- 
-        for (const auto& pdisk : SentinelState->PDisks) { 
+            Send(actor, new TEvSentinel::TEvBSCPipeDisconnected());
+        }
+
+        for (const auto& pdisk : SentinelState->PDisks) {
             if (const TActorId& actor = pdisk.second.StatusChanger) {
-                Send(actor, new TEvSentinel::TEvBSCPipeDisconnected()); 
-            } 
-        } 
-    } 
- 
-    void PassAway() override { 
+                Send(actor, new TEvSentinel::TEvBSCPipeDisconnected());
+            }
+        }
+    }
+
+    void PassAway() override {
         if (const TActorId& actor = ConfigUpdater.Id) {
-            Send(actor, new TEvents::TEvPoisonPill()); 
-        } 
- 
+            Send(actor, new TEvents::TEvPoisonPill());
+        }
+
         if (const TActorId& actor = StateUpdater.Id) {
-            Send(actor, new TEvents::TEvPoisonPill()); 
-        } 
- 
-        for (const auto& pdisk : SentinelState->PDisks) { 
+            Send(actor, new TEvents::TEvPoisonPill());
+        }
+
+        for (const auto& pdisk : SentinelState->PDisks) {
             if (const TActorId& actor = pdisk.second.StatusChanger) {
-                Send(actor, new TEvents::TEvPoisonPill()); 
-            } 
-        } 
- 
-        TActor::PassAway(); 
-    } 
- 
-public: 
-    static constexpr NKikimrServices::TActivity::EType ActorActivityType() { 
-        return NKikimrServices::TActivity::CMS_SENTINEL_ACTOR; 
-    } 
- 
-    static TStringBuf Name() { 
+                Send(actor, new TEvents::TEvPoisonPill());
+            }
+        }
+
+        TActor::PassAway();
+    }
+
+public:
+    static constexpr NKikimrServices::TActivity::EType ActorActivityType() {
+        return NKikimrServices::TActivity::CMS_SENTINEL_ACTOR;
+    }
+
+    static TStringBuf Name() {
         return "Main"sv;
-    } 
- 
-    explicit TSentinel(TCmsStatePtr cmsState) 
-        : CmsState(cmsState) 
-        , Config(CmsState->Config.SentinelConfig) 
-        , SentinelState(new TSentinelState) 
-    { 
-    } 
- 
-    void Bootstrap() { 
-        auto counters = GetServiceCounters(AppData()->Counters, "tablets")->GetSubgroup("subsystem", "sentinel"); 
-        Counters.Reset(new TCounters(counters)); 
- 
-        UpdateConfig(); 
-        UpdateState(); 
- 
-        Become(&TThis::StateWork); 
-    } 
- 
-    STFUNC(StateWork) { 
-        Y_UNUSED(ctx); 
-        switch (ev->GetTypeRewrite()) { 
-            cFunc(TEvSentinel::TEvUpdateConfig::EventType, UpdateConfig); 
-            cFunc(TEvSentinel::TEvConfigUpdated::EventType, OnConfigUpdated); 
-            cFunc(TEvSentinel::TEvUpdateState::EventType, UpdateState); 
-            cFunc(TEvSentinel::TEvStateUpdated::EventType, OnStateUpdated); 
-            hFunc(TEvSentinel::TEvStatusChanged, Handle); 
-            cFunc(TEvSentinel::TEvBSCPipeDisconnected::EventType, OnPipeDisconnected); 
- 
-            cFunc(TEvents::TEvPoisonPill::EventType, PassAway); 
-        } 
-    } 
- 
-private: 
-    TCmsStatePtr CmsState; 
-    const TCmsSentinelConfig& Config; 
-    THolder<TCounters> Counters; 
- 
-    TUpdaterInfo ConfigUpdater; 
-    TUpdaterInfo StateUpdater; 
-    TSentinelState::TPtr SentinelState; 
- 
-}; // TSentinel 
- 
-} // NSentinel 
- 
-IActor* CreateSentinel(TCmsStatePtr state) { 
-    return new NSentinel::TSentinel(state); 
-} 
- 
-} // NCms 
-} // NKikimr 
+    }
+
+    explicit TSentinel(TCmsStatePtr cmsState)
+        : CmsState(cmsState)
+        , Config(CmsState->Config.SentinelConfig)
+        , SentinelState(new TSentinelState)
+    {
+    }
+
+    void Bootstrap() {
+        auto counters = GetServiceCounters(AppData()->Counters, "tablets")->GetSubgroup("subsystem", "sentinel");
+        Counters.Reset(new TCounters(counters));
+
+        UpdateConfig();
+        UpdateState();
+
+        Become(&TThis::StateWork);
+    }
+
+    STFUNC(StateWork) {
+        Y_UNUSED(ctx);
+        switch (ev->GetTypeRewrite()) {
+            cFunc(TEvSentinel::TEvUpdateConfig::EventType, UpdateConfig);
+            cFunc(TEvSentinel::TEvConfigUpdated::EventType, OnConfigUpdated);
+            cFunc(TEvSentinel::TEvUpdateState::EventType, UpdateState);
+            cFunc(TEvSentinel::TEvStateUpdated::EventType, OnStateUpdated);
+            hFunc(TEvSentinel::TEvStatusChanged, Handle);
+            cFunc(TEvSentinel::TEvBSCPipeDisconnected::EventType, OnPipeDisconnected);
+
+            cFunc(TEvents::TEvPoisonPill::EventType, PassAway);
+        }
+    }
+
+private:
+    TCmsStatePtr CmsState;
+    const TCmsSentinelConfig& Config;
+    THolder<TCounters> Counters;
+
+    TUpdaterInfo ConfigUpdater;
+    TUpdaterInfo StateUpdater;
+    TSentinelState::TPtr SentinelState;
+
+}; // TSentinel
+
+} // NSentinel
+
+IActor* CreateSentinel(TCmsStatePtr state) {
+    return new NSentinel::TSentinel(state);
+}
+
+} // NCms
+} // NKikimr
diff --git a/ydb/core/cms/sentinel.h b/ydb/core/cms/sentinel.h
index d5b85f0c82..8fef2998bd 100644
--- a/ydb/core/cms/sentinel.h
+++ b/ydb/core/cms/sentinel.h
@@ -1,57 +1,57 @@
-#pragma once 
- 
-#include "defs.h" 
-#include "cms_state.h" 
-#include "pdiskid.h" 
- 
-namespace NKikimr { 
-namespace NCms { 
- 
-struct TEvSentinel { 
-    enum EEv { 
-        EvUpdateConfig = EventSpaceBegin(TKikimrEvents::ES_PRIVATE), 
-        EvConfigUpdated, 
- 
-        EvUpdateState, 
-        EvStateUpdated, 
- 
-        EvStatusChanged, 
- 
-        EvRetry, 
-        EvTimeout, 
- 
-        EvBSCPipeDisconnected, 
- 
-        EvEnd 
-    }; 
- 
-    static_assert(EvEnd < EventSpaceEnd(TKikimrEvents::ES_PRIVATE), "expect EvEnd < EventSpaceEnd(TKikimrEvents::ES_PRIVATE)"); 
- 
-    struct TEvUpdateConfig: public TEventLocal<TEvUpdateConfig, EvUpdateConfig> {}; 
-    struct TEvConfigUpdated: public TEventLocal<TEvConfigUpdated, EvConfigUpdated> {}; 
- 
-    struct TEvUpdateState: public TEventLocal<TEvUpdateState, EvUpdateState> {}; 
-    struct TEvStateUpdated: public TEventLocal<TEvStateUpdated, EvStateUpdated> {}; 
- 
-    struct TEvRetry: public TEventLocal<TEvRetry, EvRetry> {}; 
-    struct TEvTimeout: public TEventLocal<TEvTimeout, EvTimeout> {}; 
- 
-    struct TEvStatusChanged: public TEventLocal<TEvStatusChanged, EvStatusChanged> { 
-        TPDiskID Id; 
-        bool Success; 
- 
-        explicit TEvStatusChanged(const TPDiskID& id, bool success) 
-            : Id(id) 
-            , Success(success) 
-        { 
-        } 
-    }; 
- 
-    struct TEvBSCPipeDisconnected: public TEventLocal<TEvBSCPipeDisconnected, EvBSCPipeDisconnected> {}; 
- 
-}; // TEvSentinel 
- 
-IActor* CreateSentinel(TCmsStatePtr state); 
- 
-} // NCms 
-} // NKikimr 
+#pragma once
+
+#include "defs.h"
+#include "cms_state.h"
+#include "pdiskid.h"
+
+namespace NKikimr {
+namespace NCms {
+
+struct TEvSentinel {
+    enum EEv {
+        EvUpdateConfig = EventSpaceBegin(TKikimrEvents::ES_PRIVATE),
+        EvConfigUpdated,
+
+        EvUpdateState,
+        EvStateUpdated,
+
+        EvStatusChanged,
+
+        EvRetry,
+        EvTimeout,
+
+        EvBSCPipeDisconnected,
+
+        EvEnd
+    };
+
+    static_assert(EvEnd < EventSpaceEnd(TKikimrEvents::ES_PRIVATE), "expect EvEnd < EventSpaceEnd(TKikimrEvents::ES_PRIVATE)");
+
+    struct TEvUpdateConfig: public TEventLocal<TEvUpdateConfig, EvUpdateConfig> {};
+    struct TEvConfigUpdated: public TEventLocal<TEvConfigUpdated, EvConfigUpdated> {};
+
+    struct TEvUpdateState: public TEventLocal<TEvUpdateState, EvUpdateState> {};
+    struct TEvStateUpdated: public TEventLocal<TEvStateUpdated, EvStateUpdated> {};
+
+    struct TEvRetry: public TEventLocal<TEvRetry, EvRetry> {};
+    struct TEvTimeout: public TEventLocal<TEvTimeout, EvTimeout> {};
+
+    struct TEvStatusChanged: public TEventLocal<TEvStatusChanged, EvStatusChanged> {
+        TPDiskID Id;
+        bool Success;
+
+        explicit TEvStatusChanged(const TPDiskID& id, bool success)
+            : Id(id)
+            , Success(success)
+        {
+        }
+    };
+
+    struct TEvBSCPipeDisconnected: public TEventLocal<TEvBSCPipeDisconnected, EvBSCPipeDisconnected> {};
+
+}; // TEvSentinel
+
+IActor* CreateSentinel(TCmsStatePtr state);
+
+} // NCms
+} // NKikimr
diff --git a/ydb/core/cms/sentinel_impl.h b/ydb/core/cms/sentinel_impl.h
index f563cc5f60..8aa6934baf 100644
--- a/ydb/core/cms/sentinel_impl.h
+++ b/ydb/core/cms/sentinel_impl.h
@@ -1,84 +1,84 @@
-#pragma once 
- 
-#include "defs.h" 
-#include "cms_state.h" 
-#include "pdiskid.h" 
-#include "pdisk_state.h" 
- 
+#pragma once
+
+#include "defs.h"
+#include "cms_state.h"
+#include "pdiskid.h"
+#include "pdisk_state.h"
+
 #include <ydb/core/protos/blobstorage_config.pb.h>
- 
-#include <util/generic/hash.h> 
-#include <util/generic/hash_set.h> 
-#include <util/generic/map.h> 
- 
-namespace NKikimr { 
-namespace NCms { 
-namespace NSentinel { 
- 
-using EPDiskStatus = NKikimrBlobStorage::EDriveStatus; 
-using TLimitsMap = TMap<EPDiskState, ui32>; 
- 
-class TPDiskStatusComputer { 
-public: 
-    explicit TPDiskStatusComputer(const ui32& defaultStateLimit, const TLimitsMap& stateLimits); 
- 
-    void AddState(EPDiskState state); 
-    EPDiskStatus Compute(EPDiskStatus current, TString& reason) const; 
-    void Reset(); 
- 
-private: 
-    const ui32& DefaultStateLimit; 
-    const TLimitsMap& StateLimits; 
- 
+
+#include <util/generic/hash.h>
+#include <util/generic/hash_set.h>
+#include <util/generic/map.h>
+
+namespace NKikimr {
+namespace NCms {
+namespace NSentinel {
+
+using EPDiskStatus = NKikimrBlobStorage::EDriveStatus;
+using TLimitsMap = TMap<EPDiskState, ui32>;
+
+class TPDiskStatusComputer {
+public:
+    explicit TPDiskStatusComputer(const ui32& defaultStateLimit, const TLimitsMap& stateLimits);
+
+    void AddState(EPDiskState state);
+    EPDiskStatus Compute(EPDiskStatus current, TString& reason) const;
+    void Reset();
+
+private:
+    const ui32& DefaultStateLimit;
+    const TLimitsMap& StateLimits;
+
     EPDiskState State = NKikimrBlobStorage::TPDiskState::Unknown;
     mutable EPDiskState PrevState = State;
-    ui64 StateCounter; 
- 
-}; // TPDiskStatusComputer 
- 
-class TPDiskStatus: private TPDiskStatusComputer { 
-public: 
-    explicit TPDiskStatus(EPDiskStatus initialStatus, const ui32& defaultStateLimit, const TLimitsMap& stateLimits); 
- 
-    void AddState(EPDiskState state); 
-    bool IsChanged(TString& reason) const; 
-    bool IsChanged() const; 
-    void ApplyChanges(TString& reason); 
-    void ApplyChanges(); 
-    EPDiskStatus GetStatus() const; 
+    ui64 StateCounter;
+
+}; // TPDiskStatusComputer
+
+class TPDiskStatus: private TPDiskStatusComputer {
+public:
+    explicit TPDiskStatus(EPDiskStatus initialStatus, const ui32& defaultStateLimit, const TLimitsMap& stateLimits);
+
+    void AddState(EPDiskState state);
+    bool IsChanged(TString& reason) const;
+    bool IsChanged() const;
+    void ApplyChanges(TString& reason);
+    void ApplyChanges();
+    EPDiskStatus GetStatus() const;
     bool IsNewStatusGood() const;
- 
-    bool IsChangingAllowed() const; 
-    void AllowChanging(); 
-    void DisallowChanging(); 
- 
-private: 
-    EPDiskStatus Current; 
-    bool ChangingAllowed; 
- 
-}; // TPDiskStatus 
- 
-struct TPDiskInfo: public TPDiskStatus { 
+
+    bool IsChangingAllowed() const;
+    void AllowChanging();
+    void DisallowChanging();
+
+private:
+    EPDiskStatus Current;
+    bool ChangingAllowed;
+
+}; // TPDiskStatus
+
+struct TPDiskInfo: public TPDiskStatus {
     TActorId StatusChanger;
- 
-    explicit TPDiskInfo(EPDiskStatus initialStatus, const ui32& defaultStateLimit, const TLimitsMap& stateLimits); 
- 
-    bool IsTouched() const { return Touched; } 
-    void Touch() { Touched = true; } 
-    void ClearTouched() { Touched = false; } 
- 
-    void AddState(EPDiskState state); 
- 
-private: 
-    bool Touched; 
- 
-}; // TPDiskInfo 
- 
+
+    explicit TPDiskInfo(EPDiskStatus initialStatus, const ui32& defaultStateLimit, const TLimitsMap& stateLimits);
+
+    bool IsTouched() const { return Touched; }
+    void Touch() { Touched = true; }
+    void ClearTouched() { Touched = false; }
+
+    void AddState(EPDiskState state);
+
+private:
+    bool Touched;
+
+}; // TPDiskInfo
+
 class TClusterMap {
 public:
-    using TPDiskIDSet = THashSet<TPDiskID, TPDiskIDHash>; 
+    using TPDiskIDSet = THashSet<TPDiskID, TPDiskIDHash>;
     using TDistribution = THashMap<TString, TPDiskIDSet>;
- 
+
     TCmsStatePtr State;
     TDistribution ByDataCenter;
     TDistribution ByRoom;
@@ -90,25 +90,25 @@ public:
 }; // TClusterMap
 
 class TGuardian : public TClusterMap {
-    static bool CheckRatio(ui32 check, ui32 base, ui32 ratio) { 
-        return (check * 100) <= (base * ratio); 
-    } 
- 
-    static bool CheckRatio(const TDistribution::value_type& check, const TDistribution& base, ui32 ratio) { 
-        return CheckRatio(check.second.size(), base.at(check.first).size(), ratio); 
-    } 
- 
-public: 
-    explicit TGuardian(TCmsStatePtr state, ui32 dataCenterRatio = 100, ui32 roomRatio = 100, ui32 rackRatio = 100); 
- 
+    static bool CheckRatio(ui32 check, ui32 base, ui32 ratio) {
+        return (check * 100) <= (base * ratio);
+    }
+
+    static bool CheckRatio(const TDistribution::value_type& check, const TDistribution& base, ui32 ratio) {
+        return CheckRatio(check.second.size(), base.at(check.first).size(), ratio);
+    }
+
+public:
+    explicit TGuardian(TCmsStatePtr state, ui32 dataCenterRatio = 100, ui32 roomRatio = 100, ui32 rackRatio = 100);
+
     TPDiskIDSet GetAllowedPDisks(const TClusterMap& all, TString& issues, TPDiskIDSet& disallowed) const;
- 
-private: 
-    const ui32 DataCenterRatio; 
-    const ui32 RoomRatio; 
-    const ui32 RackRatio; 
-}; // TGuardian 
- 
-} // NSentinel 
-} // NCms 
-} // NKikimr 
+
+private:
+    const ui32 DataCenterRatio;
+    const ui32 RoomRatio;
+    const ui32 RackRatio;
+}; // TGuardian
+
+} // NSentinel
+} // NCms
+} // NKikimr
diff --git a/ydb/core/cms/sentinel_ut.cpp b/ydb/core/cms/sentinel_ut.cpp
index 545fc9aec7..62c0fdf309 100644
--- a/ydb/core/cms/sentinel_ut.cpp
+++ b/ydb/core/cms/sentinel_ut.cpp
@@ -1,23 +1,23 @@
-#include "cms_ut_common.h" 
-#include "sentinel.h" 
-#include "sentinel_impl.h" 
- 
+#include "cms_ut_common.h"
+#include "sentinel.h"
+#include "sentinel_impl.h"
+
 #include <library/cpp/testing/unittest/registar.h>
- 
-#include <util/generic/hash_set.h> 
-#include <util/generic/vector.h> 
-#include <util/generic/xrange.h> 
-#include <util/random/random.h> 
-#include <util/string/builder.h> 
- 
-namespace NKikimr { 
-namespace NCmsTest { 
- 
-static constexpr ui32 DefaultStateLimit = 5; 
+
+#include <util/generic/hash_set.h>
+#include <util/generic/vector.h>
+#include <util/generic/xrange.h>
+#include <util/random/random.h>
+#include <util/string/builder.h>
+
+namespace NKikimr {
+namespace NCmsTest {
+
+static constexpr ui32 DefaultStateLimit = 5;
 static constexpr ui32 DefaultErrorStateLimit = 60;
-auto DefaultStateLimits = NCms::TCmsSentinelConfig::DefaultStateLimits(); 
- 
-static constexpr NCms::EPDiskState ErrorStates[] = { 
+auto DefaultStateLimits = NCms::TCmsSentinelConfig::DefaultStateLimits();
+
+static constexpr NCms::EPDiskState ErrorStates[] = {
     NKikimrBlobStorage::TPDiskState::InitialFormatReadError,
     NKikimrBlobStorage::TPDiskState::InitialSysLogReadError,
     NKikimrBlobStorage::TPDiskState::InitialSysLogParseError,
@@ -27,58 +27,58 @@ static constexpr NCms::EPDiskState ErrorStates[] = {
     NKikimrBlobStorage::TPDiskState::OpenFileError,
     NKikimrBlobStorage::TPDiskState::ChunkQuotaError,
     NKikimrBlobStorage::TPDiskState::DeviceIoError,
-}; 
- 
-constexpr NCms::EPDiskState FaultyStates[] = { 
+};
+
+constexpr NCms::EPDiskState FaultyStates[] = {
     NKikimrBlobStorage::TPDiskState::Initial,
     NKikimrBlobStorage::TPDiskState::InitialFormatRead,
     NKikimrBlobStorage::TPDiskState::InitialSysLogRead,
     NKikimrBlobStorage::TPDiskState::InitialCommonLogRead,
-}; 
- 
-Y_UNIT_TEST_SUITE(TSentinelBaseTests) { 
- 
-    using namespace NCms; 
-    using namespace NCms::NSentinel; 
-    using TPDiskID = NCms::TPDiskID; 
- 
-    Y_UNIT_TEST(PDiskInitialStatus) { 
-        const EPDiskStatus AllStatuses[] = { 
-            EPDiskStatus::UNKNOWN, 
-            EPDiskStatus::ACTIVE, 
-            EPDiskStatus::INACTIVE, 
-            EPDiskStatus::BROKEN, 
-            EPDiskStatus::SPARE, 
-            EPDiskStatus::FAULTY, 
-        }; 
- 
-        for (const EPDiskStatus status : AllStatuses) { 
-            TPDiskStatus st(status, DefaultStateLimit, DefaultStateLimits); 
- 
-            UNIT_ASSERT(!st.IsChanged()); 
-            UNIT_ASSERT_VALUES_EQUAL(st.GetStatus(), status); 
-        } 
-    } 
- 
-    Y_UNIT_TEST(PDiskErrorState) { 
-        for (const EPDiskState state : ErrorStates) { 
-            const EPDiskStatus initialStatus = EPDiskStatus::ACTIVE; 
-            TPDiskStatus st(initialStatus, DefaultStateLimit, DefaultStateLimits); 
- 
+};
+
+Y_UNIT_TEST_SUITE(TSentinelBaseTests) {
+
+    using namespace NCms;
+    using namespace NCms::NSentinel;
+    using TPDiskID = NCms::TPDiskID;
+
+    Y_UNIT_TEST(PDiskInitialStatus) {
+        const EPDiskStatus AllStatuses[] = {
+            EPDiskStatus::UNKNOWN,
+            EPDiskStatus::ACTIVE,
+            EPDiskStatus::INACTIVE,
+            EPDiskStatus::BROKEN,
+            EPDiskStatus::SPARE,
+            EPDiskStatus::FAULTY,
+        };
+
+        for (const EPDiskStatus status : AllStatuses) {
+            TPDiskStatus st(status, DefaultStateLimit, DefaultStateLimits);
+
+            UNIT_ASSERT(!st.IsChanged());
+            UNIT_ASSERT_VALUES_EQUAL(st.GetStatus(), status);
+        }
+    }
+
+    Y_UNIT_TEST(PDiskErrorState) {
+        for (const EPDiskState state : ErrorStates) {
+            const EPDiskStatus initialStatus = EPDiskStatus::ACTIVE;
+            TPDiskStatus st(initialStatus, DefaultStateLimit, DefaultStateLimits);
+
             for (ui32 i = 1; i < DefaultStateLimits[state]; ++i) {
                 st.AddState(state);
 
                 UNIT_ASSERT(!st.IsChanged());
                 UNIT_ASSERT_VALUES_EQUAL(st.GetStatus(), initialStatus);
             }
-            st.AddState(state); 
-            UNIT_ASSERT(st.IsChanged()); 
- 
-            st.ApplyChanges(); 
-            UNIT_ASSERT_VALUES_EQUAL(st.GetStatus(), EPDiskStatus::FAULTY); 
-        } 
-    } 
- 
+            st.AddState(state);
+            UNIT_ASSERT(st.IsChanged());
+
+            st.ApplyChanges();
+            UNIT_ASSERT_VALUES_EQUAL(st.GetStatus(), EPDiskStatus::FAULTY);
+        }
+    }
+
     Y_UNIT_TEST(PDiskInactiveAfterStateChange) {
         for (const EPDiskState state : ErrorStates) {
             const EPDiskStatus initialStatus = EPDiskStatus::ACTIVE;
@@ -115,37 +115,37 @@ Y_UNIT_TEST_SUITE(TSentinelBaseTests) {
         }
     }
 
-    Y_UNIT_TEST(PDiskFaultyState) { 
-        for (const EPDiskState state : FaultyStates) { 
-            const EPDiskStatus initialStatus = EPDiskStatus::ACTIVE; 
-            TPDiskStatus st(initialStatus, DefaultStateLimit, DefaultStateLimits); 
- 
-            for (ui32 i = 1; i < DefaultStateLimit; ++i) { 
-                st.AddState(state); 
- 
-                UNIT_ASSERT(!st.IsChanged()); 
-                UNIT_ASSERT_VALUES_EQUAL(st.GetStatus(), initialStatus); 
-            } 
- 
-            st.AddState(state); 
- 
-            UNIT_ASSERT(st.IsChanged()); 
- 
-            st.ApplyChanges(); 
-            UNIT_ASSERT_VALUES_EQUAL(st.GetStatus(), EPDiskStatus::FAULTY); 
-        } 
-    } 
- 
+    Y_UNIT_TEST(PDiskFaultyState) {
+        for (const EPDiskState state : FaultyStates) {
+            const EPDiskStatus initialStatus = EPDiskStatus::ACTIVE;
+            TPDiskStatus st(initialStatus, DefaultStateLimit, DefaultStateLimits);
+
+            for (ui32 i = 1; i < DefaultStateLimit; ++i) {
+                st.AddState(state);
+
+                UNIT_ASSERT(!st.IsChanged());
+                UNIT_ASSERT_VALUES_EQUAL(st.GetStatus(), initialStatus);
+            }
+
+            st.AddState(state);
+
+            UNIT_ASSERT(st.IsChanged());
+
+            st.ApplyChanges();
+            UNIT_ASSERT_VALUES_EQUAL(st.GetStatus(), EPDiskStatus::FAULTY);
+        }
+    }
+
     TCmsStatePtr MockCmsState(ui16 numDataCenter, ui16 racksPerDataCenter, ui16 nodesPerRack, bool anyDC, bool anyRack) {
-        TCmsStatePtr state = new TCmsState; 
-        state->ClusterInfo = new TClusterInfo; 
- 
+        TCmsStatePtr state = new TCmsState;
+        state->ClusterInfo = new TClusterInfo;
+
         for (ui64 dc : xrange(numDataCenter)) {
             for (ui64 rack : xrange(racksPerDataCenter)) {
                 for (ui64 node : xrange(nodesPerRack)) {
                     const ui64 id = (dc << 32) | (rack << 16) | node;
                     const TString name = TStringBuilder() << "dc_" << dc << "-rack_" << rack << "-node_" << node;
- 
+
                     NActorsInterconnect::TNodeLocation location;
                     if (!anyDC) {
                         location.SetDataCenter(ToString(dc + 1));
@@ -154,8 +154,8 @@ Y_UNIT_TEST_SUITE(TSentinelBaseTests) {
                         location.SetRack(ToString(rack + 1));
                     }
                     location.SetUnit(ToString(id));
- 
-                    state->ClusterInfo->AddNode(TEvInterconnect::TNodeInfo(id, name, name, name, 10000, TNodeLocation(location)), nullptr); 
+
+                    state->ClusterInfo->AddNode(TEvInterconnect::TNodeInfo(id, name, name, name, 10000, TNodeLocation(location)), nullptr);
 
                     NKikimrBlobStorage::TBaseConfig::TPDisk pdisk;
                     pdisk.SetNodeId(id);
@@ -163,72 +163,72 @@ Y_UNIT_TEST_SUITE(TSentinelBaseTests) {
                     pdisk.SetPath("pdisk.data");
                     state->ClusterInfo->AddPDisk(pdisk);
                 }
-            } 
-        } 
- 
-        return state; 
-    } 
- 
-    void GuardianDataCenterRatio(ui16 numDataCenter, const TVector<ui16>& nodesPerDataCenterVariants, bool anyDC = false) { 
-        UNIT_ASSERT(!anyDC || numDataCenter == 1); 
- 
-        for (ui16 nodesPerDataCenter : nodesPerDataCenterVariants) { 
+            }
+        }
+
+        return state;
+    }
+
+    void GuardianDataCenterRatio(ui16 numDataCenter, const TVector<ui16>& nodesPerDataCenterVariants, bool anyDC = false) {
+        UNIT_ASSERT(!anyDC || numDataCenter == 1);
+
+        for (ui16 nodesPerDataCenter : nodesPerDataCenterVariants) {
             TCmsStatePtr state = MockCmsState(numDataCenter, nodesPerDataCenter, 1, anyDC, false);
-            TGuardian all(state); 
-            TGuardian changed(state, 50); 
-            THashSet<TPDiskID, TPDiskIDHash> changedSet; 
- 
-            const auto& nodes = state->ClusterInfo->AllNodes(); 
- 
-            TVector<ui32> changedCount(numDataCenter); 
-            for (const auto& node : nodes) { 
+            TGuardian all(state);
+            TGuardian changed(state, 50);
+            THashSet<TPDiskID, TPDiskIDHash> changedSet;
+
+            const auto& nodes = state->ClusterInfo->AllNodes();
+
+            TVector<ui32> changedCount(numDataCenter);
+            for (const auto& node : nodes) {
                 const ui64 nodeId = node.second->NodeId;
-                const TPDiskID id(nodeId, 0); 
- 
-                all.AddPDisk(id); 
+                const TPDiskID id(nodeId, 0);
+
+                all.AddPDisk(id);
                 if (changedCount[nodeId >> 32]++ < (nodesPerDataCenter / 2)) {
-                    changed.AddPDisk(id); 
-                    changedSet.insert(id); 
-                } 
-            } 
- 
-            TString issues; 
-            THashSet<TPDiskID, TPDiskIDHash> disallowed; 
- 
-            UNIT_ASSERT_VALUES_EQUAL(changed.GetAllowedPDisks(all, issues, disallowed), changedSet); 
-            UNIT_ASSERT(disallowed.empty()); 
-            UNIT_ASSERT(issues.empty()); 
- 
-            changedCount.assign(numDataCenter, 0); 
-            for (const auto& node : nodes) { 
+                    changed.AddPDisk(id);
+                    changedSet.insert(id);
+                }
+            }
+
+            TString issues;
+            THashSet<TPDiskID, TPDiskIDHash> disallowed;
+
+            UNIT_ASSERT_VALUES_EQUAL(changed.GetAllowedPDisks(all, issues, disallowed), changedSet);
+            UNIT_ASSERT(disallowed.empty());
+            UNIT_ASSERT(issues.empty());
+
+            changedCount.assign(numDataCenter, 0);
+            for (const auto& node : nodes) {
                 const ui64 nodeId = node.second->NodeId;
-                const TPDiskID id(nodeId, 0); 
- 
+                const TPDiskID id(nodeId, 0);
+
                 if (changedCount[nodeId >> 32]++ < ((nodesPerDataCenter / 2) + 1)) {
-                    changed.AddPDisk(id); 
-                    changedSet.insert(id); 
-                } 
-            } 
- 
-            disallowed.clear(); 
-            if (!anyDC) { 
-                UNIT_ASSERT(changed.GetAllowedPDisks(all, issues, disallowed).empty()); 
-                UNIT_ASSERT_VALUES_EQUAL(disallowed, changedSet); 
-                UNIT_ASSERT_STRING_CONTAINS(issues, "due to DataCenterRatio"); 
-            } else { 
-                UNIT_ASSERT_VALUES_EQUAL(changed.GetAllowedPDisks(all, issues, disallowed), changedSet); 
-                UNIT_ASSERT(disallowed.empty()); 
-                UNIT_ASSERT(issues.empty()); 
-            } 
-        } 
-    } 
- 
-    Y_UNIT_TEST(GuardianDataCenterRatio) { 
-        GuardianDataCenterRatio(1, {3, 4, 5}); 
-        GuardianDataCenterRatio(3, {3, 4, 5}); 
-        GuardianDataCenterRatio(1, {3, 4, 5}, true); 
-    } 
- 
+                    changed.AddPDisk(id);
+                    changedSet.insert(id);
+                }
+            }
+
+            disallowed.clear();
+            if (!anyDC) {
+                UNIT_ASSERT(changed.GetAllowedPDisks(all, issues, disallowed).empty());
+                UNIT_ASSERT_VALUES_EQUAL(disallowed, changedSet);
+                UNIT_ASSERT_STRING_CONTAINS(issues, "due to DataCenterRatio");
+            } else {
+                UNIT_ASSERT_VALUES_EQUAL(changed.GetAllowedPDisks(all, issues, disallowed), changedSet);
+                UNIT_ASSERT(disallowed.empty());
+                UNIT_ASSERT(issues.empty());
+            }
+        }
+    }
+
+    Y_UNIT_TEST(GuardianDataCenterRatio) {
+        GuardianDataCenterRatio(1, {3, 4, 5});
+        GuardianDataCenterRatio(3, {3, 4, 5});
+        GuardianDataCenterRatio(1, {3, 4, 5}, true);
+    }
+
     void GuardianRackRatio(ui16 numRacks, const TVector<ui16>& nodesPerRackVariants, bool anyRack) {
         for (ui16 nodesPerRack : nodesPerRackVariants) {
             TCmsStatePtr state = MockCmsState(1, numRacks, nodesPerRack, false, anyRack);
@@ -294,98 +294,98 @@ Y_UNIT_TEST_SUITE(TSentinelBaseTests) {
     }
 
 
-} // TSentinelBaseTests 
- 
-Y_UNIT_TEST_SUITE(TSentinelTests) { 
- 
-    using namespace NCms; 
-    using namespace NCms::NSentinel; 
-    using TPDiskID = NCms::TPDiskID; 
- 
-    const auto& MockConfig = TFakeNodeWhiteboardService::Config; 
-    auto& MockNodes = TFakeNodeWhiteboardService::Info; 
- 
-    class TTestEnv: public TCmsTestEnv { 
-        static void MockClusterInfo(TClusterInfoPtr& info) { 
-            info.Reset(new TClusterInfo); 
- 
-            for (const auto& pdisk : MockConfig.GetResponse().GetStatus(0).GetBaseConfig().GetPDisk()) { 
-                const ui32 nodeId = pdisk.GetNodeId(); 
- 
-                if (info->HasNode(nodeId)) { 
-                    info->AddPDisk(pdisk); 
-                    continue; 
-                } 
- 
-                const TString name = TStringBuilder() << "node-" << nodeId; 
+} // TSentinelBaseTests
+
+Y_UNIT_TEST_SUITE(TSentinelTests) {
+
+    using namespace NCms;
+    using namespace NCms::NSentinel;
+    using TPDiskID = NCms::TPDiskID;
+
+    const auto& MockConfig = TFakeNodeWhiteboardService::Config;
+    auto& MockNodes = TFakeNodeWhiteboardService::Info;
+
+    class TTestEnv: public TCmsTestEnv {
+        static void MockClusterInfo(TClusterInfoPtr& info) {
+            info.Reset(new TClusterInfo);
+
+            for (const auto& pdisk : MockConfig.GetResponse().GetStatus(0).GetBaseConfig().GetPDisk()) {
+                const ui32 nodeId = pdisk.GetNodeId();
+
+                if (info->HasNode(nodeId)) {
+                    info->AddPDisk(pdisk);
+                    continue;
+                }
+
+                const TString name = TStringBuilder() << "node-" << nodeId;
                 NActorsInterconnect::TNodeLocation location;
                 location.SetRack(TStringBuilder() << "rack-" << (nodeId - 1) % 8 + 1);
-                info->AddNode(TEvInterconnect::TNodeInfo(nodeId, name, name, name, 10000, TNodeLocation(location)), nullptr); 
-                info->AddPDisk(pdisk); 
-            } 
-        } 
- 
-        void WaitForSentinelBoot() { 
-            TDispatchOptions options; 
-            options.FinalEvents.emplace_back(TEvSentinel::TEvConfigUpdated::EventType); 
-            options.FinalEvents.emplace_back(TEvSentinel::TEvStateUpdated::EventType); 
-            UNIT_ASSERT(DispatchEvents(options)); 
-        } 
- 
+                info->AddNode(TEvInterconnect::TNodeInfo(nodeId, name, name, name, 10000, TNodeLocation(location)), nullptr);
+                info->AddPDisk(pdisk);
+            }
+        }
+
+        void WaitForSentinelBoot() {
+            TDispatchOptions options;
+            options.FinalEvents.emplace_back(TEvSentinel::TEvConfigUpdated::EventType);
+            options.FinalEvents.emplace_back(TEvSentinel::TEvStateUpdated::EventType);
+            UNIT_ASSERT(DispatchEvents(options));
+        }
+
         void SetPDiskStateImpl(const TSet<TPDiskID>& ids, EPDiskState state) {
             for (const auto& id : ids) {
                 Y_VERIFY(MockNodes.contains(id.NodeId));
                 auto& node = MockNodes.at(id.NodeId);
- 
+
                 Y_VERIFY(node.PDiskStateInfo.contains(id.DiskId));
                 auto& pdisk = node.PDiskStateInfo.at(id.DiskId);
- 
+
                 pdisk.SetState(state);
             }
 
             Send(new IEventHandle(Sentinel, TActorId(), new TEvSentinel::TEvUpdateState));
-        } 
- 
-    public: 
-        explicit TTestEnv(ui32 nodeCount, ui32 pdisks) 
-            : TCmsTestEnv(nodeCount, pdisks) 
-        { 
-            SetScheduledEventFilter([this](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev, TDuration, TInstant&) -> bool { 
-                if (ev->Recipient != Sentinel) { 
-                    return true; 
-                } 
- 
-                switch (ev->GetTypeRewrite()) { 
-                case TEvSentinel::TEvUpdateConfig::EventType: 
-                case TEvSentinel::TEvUpdateState::EventType: 
-                    return false; 
- 
-                default: 
-                    return true; 
-                } 
-            }); 
- 
-            State = new TCmsState; 
-            MockClusterInfo(State->ClusterInfo); 
- 
-            Sentinel = Register(CreateSentinel(State)); 
-            EnableScheduleForActor(Sentinel, true); 
-            WaitForSentinelBoot(); 
- 
+        }
+
+    public:
+        explicit TTestEnv(ui32 nodeCount, ui32 pdisks)
+            : TCmsTestEnv(nodeCount, pdisks)
+        {
+            SetScheduledEventFilter([this](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev, TDuration, TInstant&) -> bool {
+                if (ev->Recipient != Sentinel) {
+                    return true;
+                }
+
+                switch (ev->GetTypeRewrite()) {
+                case TEvSentinel::TEvUpdateConfig::EventType:
+                case TEvSentinel::TEvUpdateState::EventType:
+                    return false;
+
+                default:
+                    return true;
+                }
+            });
+
+            State = new TCmsState;
+            MockClusterInfo(State->ClusterInfo);
+
+            Sentinel = Register(CreateSentinel(State));
+            EnableScheduleForActor(Sentinel, true);
+            WaitForSentinelBoot();
+
             SetLogPriority(NKikimrServices::CMS, NLog::PRI_DEBUG);
-        } 
- 
-        TPDiskID RandomPDiskID() const { 
-            const auto& config = MockConfig.GetResponse().GetStatus(0).GetBaseConfig(); 
-            const auto& pdisk = config.GetPDisk(RandomNumber(config.PDiskSize() - 1)); 
-            return TPDiskID(pdisk.GetNodeId(), pdisk.GetPDiskId()); 
-        } 
- 
+        }
+
+        TPDiskID RandomPDiskID() const {
+            const auto& config = MockConfig.GetResponse().GetStatus(0).GetBaseConfig();
+            const auto& pdisk = config.GetPDisk(RandomNumber(config.PDiskSize() - 1));
+            return TPDiskID(pdisk.GetNodeId(), pdisk.GetPDiskId());
+        }
+
         TSet<TPDiskID> PDisksForRandomRack() const {
             auto nodes = State->ClusterInfo->AllNodes();
             size_t idx = RandomNumber(nodes.size() - 1);
             auto target = std::next(nodes.begin(), idx)->second;
- 
+
             TString targetRack = target->Location.HasKey(TNodeLocation::TKeys::Rack)
                 ? target->Location.GetRackId()
                 : "";
@@ -414,16 +414,16 @@ Y_UNIT_TEST_SUITE(TSentinelTests) {
         void SetPDiskState(const TSet<TPDiskID>& pdisks, EPDiskState state) {
             SetPDiskStateImpl(pdisks, state);
 
-            TDispatchOptions options; 
+            TDispatchOptions options;
             options.FinalEvents.emplace_back(TEvSentinel::TEvStateUpdated::EventType, 1);
-            UNIT_ASSERT(DispatchEvents(options)); 
-        } 
- 
+            UNIT_ASSERT(DispatchEvents(options));
+        }
+
         void SetPDiskState(const TSet<TPDiskID>& pdisks, EPDiskState state, EPDiskStatus expectedStatus) {
             SetPDiskStateImpl(pdisks, state);
- 
-            bool stateUpdated = false; 
- 
+
+            bool stateUpdated = false;
+
             struct TPDiskUpdates {
                 bool UpdateStatusRequested = false;
                 bool StatusChanged = false;
@@ -433,44 +433,44 @@ Y_UNIT_TEST_SUITE(TSentinelTests) {
                 pdiskUpdates[id] = {};// TPDiskUpdates {false, false});
             }
 
-            auto check = [&](IEventHandle& ev) { 
-                switch (ev.GetTypeRewrite()) { 
-                case TEvSentinel::TEvStateUpdated::EventType: 
-                    stateUpdated = true; 
-                    break; 
- 
-                case TEvBlobStorage::TEvControllerConfigRequest::EventType: 
+            auto check = [&](IEventHandle& ev) {
+                switch (ev.GetTypeRewrite()) {
+                case TEvSentinel::TEvStateUpdated::EventType:
+                    stateUpdated = true;
+                    break;
+
+                case TEvBlobStorage::TEvControllerConfigRequest::EventType:
                     {
-                        const auto& request = ev.Get<TEvBlobStorage::TEvControllerConfigRequest>()->Record; 
- 
-                        UNIT_ASSERT(request.HasRequest()); 
-                        if (request.GetRequest().CommandSize() && request.GetRequest().GetCommand(0).HasUpdateDriveStatus()) { 
+                        const auto& request = ev.Get<TEvBlobStorage::TEvControllerConfigRequest>()->Record;
+
+                        UNIT_ASSERT(request.HasRequest());
+                        if (request.GetRequest().CommandSize() && request.GetRequest().GetCommand(0).HasUpdateDriveStatus()) {
                             const auto& update = request.GetRequest().GetCommand(0).GetUpdateDriveStatus();
                             TPDiskID id(update.GetHostKey().GetNodeId(), update.GetPDiskId());
                             auto it = pdiskUpdates.find(id);
                             if (it != pdiskUpdates.end()) {
                                 it->second.UpdateStatusRequested = (expectedStatus == update.GetStatus());
                             }
-                        } 
-                    } 
-                    break; 
- 
-                case TEvSentinel::TEvStatusChanged::EventType: 
+                        }
+                    }
+                    break;
+
+                case TEvSentinel::TEvStatusChanged::EventType:
                     {
-                        const auto* event = ev.Get<TEvSentinel::TEvStatusChanged>(); 
- 
+                        const auto* event = ev.Get<TEvSentinel::TEvStatusChanged>();
+
                         auto it = pdiskUpdates.find(event->Id);
                         if (it != pdiskUpdates.end()) {
-                            UNIT_ASSERT(event->Success); 
+                            UNIT_ASSERT(event->Success);
                             it->second.StatusChanged = true;
-                        } 
-                    } 
-                    break; 
- 
-                default: 
-                    break; 
-                } 
- 
+                        }
+                    }
+                    break;
+
+                default:
+                    break;
+                }
+
                 bool allUpdateStatusRequested = true;
                 bool allStatusChanged = true;
                 for (const auto& [id, info] : pdiskUpdates) {
@@ -478,64 +478,64 @@ Y_UNIT_TEST_SUITE(TSentinelTests) {
                     allStatusChanged &= info.StatusChanged;
                 }
                 return stateUpdated && pdiskUpdates.size() && allUpdateStatusRequested && allStatusChanged;
-            }; 
- 
-            TDispatchOptions options; 
-            options.FinalEvents.emplace_back(check); 
-            UNIT_ASSERT(DispatchEvents(options)); 
-        } 
- 
-    private: 
-        TCmsStatePtr State; 
+            };
+
+            TDispatchOptions options;
+            options.FinalEvents.emplace_back(check);
+            UNIT_ASSERT(DispatchEvents(options));
+        }
+
+    private:
+        TCmsStatePtr State;
         TActorId Sentinel;
- 
-    }; // TTestEnv 
- 
-    Y_UNIT_TEST(Smoke) { 
-        TTestEnv env(8, 4); 
-    } 
- 
-    Y_UNIT_TEST(PDiskUnknownState) { 
-        TTestEnv env(8, 4); 
- 
-        const auto reservedStates = TVector<EPDiskState>{ 
+
+    }; // TTestEnv
+
+    Y_UNIT_TEST(Smoke) {
+        TTestEnv env(8, 4);
+    }
+
+    Y_UNIT_TEST(PDiskUnknownState) {
+        TTestEnv env(8, 4);
+
+        const auto reservedStates = TVector<EPDiskState>{
             NKikimrBlobStorage::TPDiskState::Reserved14,
             NKikimrBlobStorage::TPDiskState::Reserved15,
             NKikimrBlobStorage::TPDiskState::Reserved16,
-        }; 
- 
-        for (const auto state : reservedStates) { 
-            const TPDiskID id = env.RandomPDiskID(); 
+        };
+
+        for (const auto state : reservedStates) {
+            const TPDiskID id = env.RandomPDiskID();
             env.SetPDiskState({id}, state);
-        } 
-    } 
- 
-    Y_UNIT_TEST(PDiskErrorState) { 
-        TTestEnv env(8, 4); 
- 
-        for (const EPDiskState state : ErrorStates) { 
-            const TPDiskID id = env.RandomPDiskID(); 
- 
+        }
+    }
+
+    Y_UNIT_TEST(PDiskErrorState) {
+        TTestEnv env(8, 4);
+
+        for (const EPDiskState state : ErrorStates) {
+            const TPDiskID id = env.RandomPDiskID();
+
             env.SetPDiskState({id}, state, EPDiskStatus::FAULTY);
             env.SetPDiskState({id}, NKikimrBlobStorage::TPDiskState::Normal, EPDiskStatus::ACTIVE);
-        } 
-    } 
- 
-    Y_UNIT_TEST(PDiskFaultyState) { 
-        TTestEnv env(8, 4); 
- 
-        for (const EPDiskState state : FaultyStates) { 
-            const TPDiskID id = env.RandomPDiskID(); 
- 
-            for (ui32 i = 1; i < DefaultStateLimit; ++i) { 
+        }
+    }
+
+    Y_UNIT_TEST(PDiskFaultyState) {
+        TTestEnv env(8, 4);
+
+        for (const EPDiskState state : FaultyStates) {
+            const TPDiskID id = env.RandomPDiskID();
+
+            for (ui32 i = 1; i < DefaultStateLimit; ++i) {
                 env.SetPDiskState({id}, state);
-            } 
- 
+            }
+
             env.SetPDiskState({id}, state, EPDiskStatus::FAULTY);
             env.SetPDiskState({id}, NKikimrBlobStorage::TPDiskState::Normal, EPDiskStatus::ACTIVE);
-        } 
-    } 
- 
+        }
+    }
+
     Y_UNIT_TEST(PDiskRackGuardHalfRack) {
         TTestEnv env(16, 4); // 16 nodes are distributed into 8 racks, 2 per rack
 
@@ -575,7 +575,7 @@ Y_UNIT_TEST_SUITE(TSentinelTests) {
             env.SetPDiskState(pdisks, NKikimrBlobStorage::TPDiskState::Normal, EPDiskStatus::ACTIVE);
         }
     }
-} // TSentinelTests 
- 
-} // NCmsTest 
-} // NKikimr 
+} // TSentinelTests
+
+} // NCmsTest
+} // NKikimr
diff --git a/ydb/core/cms/services.cpp b/ydb/core/cms/services.cpp
index 7d8136aed5..78824908f0 100644
--- a/ydb/core/cms/services.cpp
+++ b/ydb/core/cms/services.cpp
@@ -1,24 +1,24 @@
-#include "services.h" 
- 
-#include <util/generic/hash.h> 
- 
-namespace NKikimr { 
-namespace NCms { 
- 
-bool TryFromWhiteBoardRole(const TString& role, EService& value) { 
-    static const THashMap<TString, EService> roleToService = { 
-        {"Storage", EService::Storage}, 
-        {"Tenant", EService::DynamicNode}, 
-    }; 
- 
-    auto it = roleToService.find(role); 
-    if (it == roleToService.end()) { 
-        return false; 
-    } 
- 
-    value = it->second; 
-    return true; 
-} 
- 
-} // NCms 
-} // NKikimr 
+#include "services.h"
+
+#include <util/generic/hash.h>
+
+namespace NKikimr {
+namespace NCms {
+
+bool TryFromWhiteBoardRole(const TString& role, EService& value) {
+    static const THashMap<TString, EService> roleToService = {
+        {"Storage", EService::Storage},
+        {"Tenant", EService::DynamicNode},
+    };
+
+    auto it = roleToService.find(role);
+    if (it == roleToService.end()) {
+        return false;
+    }
+
+    value = it->second;
+    return true;
+}
+
+} // NCms
+} // NKikimr
diff --git a/ydb/core/cms/services.h b/ydb/core/cms/services.h
index b15cd29b02..2e3467f232 100644
--- a/ydb/core/cms/services.h
+++ b/ydb/core/cms/services.h
@@ -1,19 +1,19 @@
-#pragma once 
- 
-#include <util/generic/flags.h> 
- 
-namespace NKikimr { 
-namespace NCms { 
- 
-enum class EService: ui8 { 
-    Storage = 1 /* "storage" */, 
-    DynamicNode = 2 /* "dynnode" */, 
-}; 
- 
-Y_DECLARE_FLAGS(TServices, EService); 
-Y_DECLARE_OPERATORS_FOR_FLAGS(TServices); 
- 
-bool TryFromWhiteBoardRole(const TString& role, EService& value); 
- 
-} // NCms 
-} // NKikimr 
+#pragma once
+
+#include <util/generic/flags.h>
+
+namespace NKikimr {
+namespace NCms {
+
+enum class EService: ui8 {
+    Storage = 1 /* "storage" */,
+    DynamicNode = 2 /* "dynnode" */,
+};
+
+Y_DECLARE_FLAGS(TServices, EService);
+Y_DECLARE_OPERATORS_FOR_FLAGS(TServices);
+
+bool TryFromWhiteBoardRole(const TString& role, EService& value);
+
+} // NCms
+} // NKikimr
diff --git a/ydb/core/cms/ui/config_forms.js b/ydb/core/cms/ui/config_forms.js
index 633c872a3e..27518ef5ca 100644
--- a/ydb/core/cms/ui/config_forms.js
+++ b/ydb/core/cms/ui/config_forms.js
@@ -86,7 +86,7 @@ function formatCommonItemText(item) {
 function addEditButtons(div, item) {
     var buttonsHTML = `
     <div style="z-index: 1; position: absolute; top: 0; right: 0; margin: 5px;">
-        <button data-action="edit" class="${item.kind.editable ? '' : 'd-none'} btn-cfg-item cfg-item-edit-icon"></button> 
+        <button data-action="edit" class="${item.kind.editable ? '' : 'd-none'} btn-cfg-item cfg-item-edit-icon"></button>
         <button data-action="remove" class="btn-cfg-item cfg-item-remove-icon"></button>
     </div>
     `;
@@ -144,7 +144,7 @@ class GenericConfigView {
         this._div.id = 'config-item-' + this.item.getId();
         this._div.appendChild(this._pre);
 
-        addEditButtons(this._div, this.item); 
+        addEditButtons(this._div, this.item);
 
         this.item.kind.appendView(this._div);
 
@@ -246,7 +246,7 @@ class LogConfigView {
         this._div.appendChild(this._pre);
         this._div.appendChild(this._table);
 
-        addEditButtons(this._div, this.item); 
+        addEditButtons(this._div, this.item);
 
         this.item.kind.appendView(this._div);
 
@@ -351,7 +351,7 @@ class NodeBrokerConfigView {
         this._div.id = 'config-item-' + this.item.getId();
         this._div.appendChild(this._pre);
 
-        addEditButtons(this._div, this.item); 
+        addEditButtons(this._div, this.item);
 
         this.item.kind.appendView(this._div);
 
@@ -422,7 +422,7 @@ class ImmediateControlsConfigView {
         this._div.id = 'config-item-' + this.item.getId();
         this._div.appendChild(this._pre);
 
-        addEditButtons(this._div, this.item); 
+        addEditButtons(this._div, this.item);
 
         this.item.kind.appendView(this._div);
 
@@ -873,7 +873,7 @@ class LogConfigEditForm extends CommonEditForm {
         super(kind, item);
         var form = $(this._form);
 
-        var syslog; 
+        var syslog;
         var defLevel;
         var defSampling;
         var defRate;
@@ -882,7 +882,7 @@ class LogConfigEditForm extends CommonEditForm {
         if (item && item.getConfig() && item.getConfig().LogConfig) {
             cfg = item.getConfig().LogConfig;
 
-            syslog = cfg.SysLog; 
+            syslog = cfg.SysLog;
             defLevel = cfg.DefaultLevel;
             defSampling = cfg.DefaultSamplingLevel;
             defRate = cfg.DefaultSamplingRate;
@@ -890,16 +890,16 @@ class LogConfigEditForm extends CommonEditForm {
 
         var configFormHTML = `
         <div style="padding-left: 10px;">
-            <div class="form-group row"> 
-                <label class="col-form-label form-control-sm col-sm-1">Syslog:</label> 
-                <div class="col-sm-auto"> 
-                    <select class="cfg-form syslog form-control-sm"> 
-                        <option value="-1" ${syslog === undefined ? "selected" : ""}>Default</option> 
-                        <option value="1" ${syslog !== undefined && syslog == true ? "selected" : ""}>true</option> 
-                        <option value="0" ${syslog !== undefined && syslog == false ? "selected" : ""}>false</option> 
-                    </select> 
-                </div> 
-            </div> 
+            <div class="form-group row">
+                <label class="col-form-label form-control-sm col-sm-1">Syslog:</label>
+                <div class="col-sm-auto">
+                    <select class="cfg-form syslog form-control-sm">
+                        <option value="-1" ${syslog === undefined ? "selected" : ""}>Default</option>
+                        <option value="1" ${syslog !== undefined && syslog == true ? "selected" : ""}>true</option>
+                        <option value="0" ${syslog !== undefined && syslog == false ? "selected" : ""}>false</option>
+                    </select>
+                </div>
+            </div>
             <div class="form-group def-log-settings">
                 <div class="row">
                     <label class="col-form-label form-control-sm col-sm-auto">Default log settings:</label>
@@ -1015,15 +1015,15 @@ class LogConfigEditForm extends CommonEditForm {
     _prepareData() {
         var data = super._prepareData();
 
-        var syslog = +$(this._form).find(".syslog").children(":selected").val(); 
+        var syslog = +$(this._form).find(".syslog").children(":selected").val();
         var defSettings = $(this._form).find("div.def-log-settings");
         var defLevel = +defSettings.find(".def-log-level").children(":selected").val();
         var defSampling = +defSettings.find(".def-log-sampling").children(":selected").val();
         var defRate = defSettings.find(".def-log-rate").val();
 
         var config = { LogConfig: {} };
-        if (syslog != -1) 
-            config.LogConfig.SysLog = syslog ? true : false; 
+        if (syslog != -1)
+            config.LogConfig.SysLog = syslog ? true : false;
         if (defLevel != -1)
             config.LogConfig.DefaultLevel = defLevel;
         if (defSampling != -1)
@@ -1080,19 +1080,19 @@ class CmsConfigEditForm extends CommonEditForm {
         var monFaultyPrepTimeout;
         var logTTL;
 
-        // sentinel 
-        var sentinelEnabled; 
-        var sentinelDryRun; 
-        var sentinelUpdateConfigInterval; 
-        var sentinelRetryUpdateConfig; 
-        var sentinelUpdateStateInterval; 
-        var sentinelUpdateStateTimeout; 
-        var sentinelChangeStatusRetries; 
-        var sentinelRetryChangeStatus; 
-        var sentinelDefaultStateLimit; 
-        var sentinelStateLimits = new Map(); 
-        var sentinelDefaultStateLimits = new Map(); 
- 
+        // sentinel
+        var sentinelEnabled;
+        var sentinelDryRun;
+        var sentinelUpdateConfigInterval;
+        var sentinelRetryUpdateConfig;
+        var sentinelUpdateStateInterval;
+        var sentinelUpdateStateTimeout;
+        var sentinelChangeStatusRetries;
+        var sentinelRetryChangeStatus;
+        var sentinelDefaultStateLimit;
+        var sentinelStateLimits = new Map();
+        var sentinelDefaultStateLimits = new Map();
+
         if (item && item.getConfig() && item.getConfig().CmsConfig) {
             var cfg = item.getConfig().CmsConfig;
 
@@ -1113,42 +1113,42 @@ class CmsConfigEditForm extends CommonEditForm {
 
             if (cfg.LogConfig && cfg.LogConfig.TTL)
                 logTTL = cfg.LogConfig.TTL / 1000000 / 3600 / 24;
- 
-            // sentinel 
-            if (cfg.SentinelConfig) { 
-                sentinelEnabled = cfg.SentinelConfig.Enable; 
-                sentinelDryRun = cfg.SentinelConfig.DryRun; 
-                if (cfg.SentinelConfig.UpdateConfigInterval) 
-                    sentinelUpdateConfigInterval = cfg.SentinelConfig.UpdateConfigInterval / 1000000; 
-                if (cfg.SentinelConfig.RetryUpdateConfig) 
-                    sentinelRetryUpdateConfig = cfg.SentinelConfig.RetryUpdateConfig / 1000000; 
-                if (cfg.SentinelConfig.UpdateStateInterval) 
-                    sentinelUpdateStateInterval = cfg.SentinelConfig.UpdateStateInterval / 1000000; 
-                if (cfg.SentinelConfig.UpdateStateTimeout) 
-                    sentinelUpdateStateTimeout = cfg.SentinelConfig.UpdateStateTimeout / 1000000; 
-                if (cfg.SentinelConfig.ChangeStatusRetries) 
-                    sentinelChangeStatusRetries = cfg.SentinelConfig.ChangeStatusRetries; 
-                if (cfg.SentinelConfig.RetryChangeStatus) 
-                    sentinelRetryChangeStatus = cfg.SentinelConfig.RetryChangeStatus / 1000000; 
-                if (cfg.SentinelConfig.DefaultStateLimit) 
-                    sentinelDefaultStateLimit = cfg.SentinelConfig.DefaultStateLimit; 
-                if (cfg.SentinelConfig.StateLimits) { 
-                    for (var c of cfg.SentinelConfig.StateLimits) { 
-                        sentinelStateLimits.set(c.State, c.Limit); 
-                    } 
-                } 
-            } 
-        } 
- 
-        for (var e of cmsEnums['PDiskStates'].keys()) { 
-            var name = cmsEnums.get('PDiskStates', e); 
-            if (name.match(/Error$/)) { 
-                sentinelDefaultStateLimits.set(e, 1); 
-            } else if (e == 255) { 
-                sentinelDefaultStateLimits.set(e, 0); 
-            } else if (e > 250) { 
-                sentinelDefaultStateLimits.set(e, 60); 
-            } 
+
+            // sentinel
+            if (cfg.SentinelConfig) {
+                sentinelEnabled = cfg.SentinelConfig.Enable;
+                sentinelDryRun = cfg.SentinelConfig.DryRun;
+                if (cfg.SentinelConfig.UpdateConfigInterval)
+                    sentinelUpdateConfigInterval = cfg.SentinelConfig.UpdateConfigInterval / 1000000;
+                if (cfg.SentinelConfig.RetryUpdateConfig)
+                    sentinelRetryUpdateConfig = cfg.SentinelConfig.RetryUpdateConfig / 1000000;
+                if (cfg.SentinelConfig.UpdateStateInterval)
+                    sentinelUpdateStateInterval = cfg.SentinelConfig.UpdateStateInterval / 1000000;
+                if (cfg.SentinelConfig.UpdateStateTimeout)
+                    sentinelUpdateStateTimeout = cfg.SentinelConfig.UpdateStateTimeout / 1000000;
+                if (cfg.SentinelConfig.ChangeStatusRetries)
+                    sentinelChangeStatusRetries = cfg.SentinelConfig.ChangeStatusRetries;
+                if (cfg.SentinelConfig.RetryChangeStatus)
+                    sentinelRetryChangeStatus = cfg.SentinelConfig.RetryChangeStatus / 1000000;
+                if (cfg.SentinelConfig.DefaultStateLimit)
+                    sentinelDefaultStateLimit = cfg.SentinelConfig.DefaultStateLimit;
+                if (cfg.SentinelConfig.StateLimits) {
+                    for (var c of cfg.SentinelConfig.StateLimits) {
+                        sentinelStateLimits.set(c.State, c.Limit);
+                    }
+                }
+            }
+        }
+
+        for (var e of cmsEnums['PDiskStates'].keys()) {
+            var name = cmsEnums.get('PDiskStates', e);
+            if (name.match(/Error$/)) {
+                sentinelDefaultStateLimits.set(e, 1);
+            } else if (e == 255) {
+                sentinelDefaultStateLimits.set(e, 0);
+            } else if (e > 250) {
+                sentinelDefaultStateLimits.set(e, 60);
+            }
         }
 
         var configFormHTML = `
@@ -1195,84 +1195,84 @@ class CmsConfigEditForm extends CommonEditForm {
             </div>
             <div class="form-group">
                 <div class="row">
-                    <label class="col-form-label form-control-sm col-sm-auto">Sentinel (self heal) parameters</label> 
+                    <label class="col-form-label form-control-sm col-sm-auto">Sentinel (self heal) parameters</label>
+                </div>
+                <div class="row">
+                    <div class="col-3">
+                        <label class="col-form-label form-control-sm">Status</label>
+                    </div>
+                    <div class="col-auto">
+                        <select class="form-control-sm sentinel-enabled">
+                            <option value="0" ${sentinelEnabled ? "" : "selected"}>Disabled</option>
+                            <option value="1" ${sentinelEnabled ? "selected" : ""}>Enabled</option>
+                        </select>
+                    </div>
                 </div>
+                <div class="w-100 vs-4px"></div>
                 <div class="row">
                     <div class="col-3">
-                        <label class="col-form-label form-control-sm">Status</label> 
+                        <label class="col-form-label form-control-sm">Dry run</label>
                     </div>
                     <div class="col-auto">
-                        <select class="form-control-sm sentinel-enabled"> 
-                            <option value="0" ${sentinelEnabled ? "" : "selected"}>Disabled</option> 
-                            <option value="1" ${sentinelEnabled ? "selected" : ""}>Enabled</option> 
-                        </select> 
-                    </div> 
-                </div> 
-                <div class="w-100 vs-4px"></div> 
-                <div class="row"> 
-                    <div class="col-3"> 
-                        <label class="col-form-label form-control-sm">Dry run</label> 
-                    </div> 
-                    <div class="col-auto"> 
-                        <select class="form-control-sm sentinel-dry-run"> 
-                            <option value="0" ${sentinelDryRun ? "" : "selected"}>Disable</option> 
-                            <option value="1" ${sentinelDryRun ? "selected" : ""}>Enable</option> 
-                        </select> 
-                    </div> 
-                </div> 
-            </div> 
-            <div class="form-group"> 
-                <div class="row"> 
-                    ${this._makeNumericInput("Config update interval (sec.)", "sentinel-update-config-interval", 
-                                             "Default is 3600 sec.", sentinelUpdateConfigInterval, 
-                                             "Interval used to update available (known by BSC) PDisks list")} 
-                    <div class="w-100 vs-4px"></div> 
-                    ${this._makeNumericInput("Retry interval (sec.)", "sentinel-retry-update-config", 
-                                             "Default is 60 sec.", sentinelRetryUpdateConfig, 
-                                             "Used if BSC is temporarily unavailable.")} 
-                </div> 
-            </div> 
-            <div class="form-group"> 
-                <div class="row"> 
-                    ${this._makeNumericInput("State update interval (sec.)", "sentinel-update-state-interval", 
-                                             "Default is 60 sec.", sentinelUpdateStateInterval, 
-                                             "Interval used to update states of PDisks")} 
-                    <div class="w-100 vs-4px"></div> 
-                    ${this._makeNumericInput("Timeout (sec.)", "sentinel-update-state-timeout", 
-                                             "Default is 45 sec.", sentinelUpdateStateTimeout, 
-                                             "Maximum allowed time for PDisks states collection")} 
-                </div> 
-            </div> 
-            <div class="form-group"> 
-                <div class="row"> 
-                    ${this._makeNumericInput("Change status retries", "sentinel-change-status-retries", 
-                                             "Default is 5", sentinelChangeStatusRetries, 
-                                             "Number of retries if status of PDisk cannot be changed due to BSC unavailability")} 
-                    <div class="w-100 vs-4px"></div> 
-                    ${this._makeNumericInput("Change status retry interval (sec.)", "sentinel-change-status-retry-interval", 
-                                             "Default is 10 sec.", sentinelRetryChangeStatus, 
-                                             "Used if BSC is temporarily unavailable.")} 
-                </div> 
-            </div> 
-            <div class="form-group"> 
-                <div class="row"> 
-                    ${this._makeNumericInput("Default state limit", "sentinel-default-state-limit", 
-                                             "Default is 5", sentinelDefaultStateLimit, 
-                                             "Number of 'state update' cycles before changing status")} 
-                    ${this._makeSentinelStateLimits(sentinelStateLimits, sentinelDefaultStateLimits)} 
-                </div> 
-            </div> 
-            <div class="form-group"> 
-                <div class="row"> 
-                    <label class="col-form-label form-control-sm col-sm-auto">Persistent log settings</label> 
-                </div> 
-                <div class="row"> 
-                    ${this._makeLogLevelSelects()} 
-                    <div class="w-100 vs-4px"></div> 
-                    ${this._makeNumericInput("Time to live (days)", "log-ttl", 
-                                             "Default is 14 days", logTTL)} 
-                </div> 
-            </div> 
+                        <select class="form-control-sm sentinel-dry-run">
+                            <option value="0" ${sentinelDryRun ? "" : "selected"}>Disable</option>
+                            <option value="1" ${sentinelDryRun ? "selected" : ""}>Enable</option>
+                        </select>
+                    </div>
+                </div>
+            </div>
+            <div class="form-group">
+                <div class="row">
+                    ${this._makeNumericInput("Config update interval (sec.)", "sentinel-update-config-interval",
+                                             "Default is 3600 sec.", sentinelUpdateConfigInterval,
+                                             "Interval used to update available (known by BSC) PDisks list")}
+                    <div class="w-100 vs-4px"></div>
+                    ${this._makeNumericInput("Retry interval (sec.)", "sentinel-retry-update-config",
+                                             "Default is 60 sec.", sentinelRetryUpdateConfig,
+                                             "Used if BSC is temporarily unavailable.")}
+                </div>
+            </div>
+            <div class="form-group">
+                <div class="row">
+                    ${this._makeNumericInput("State update interval (sec.)", "sentinel-update-state-interval",
+                                             "Default is 60 sec.", sentinelUpdateStateInterval,
+                                             "Interval used to update states of PDisks")}
+                    <div class="w-100 vs-4px"></div>
+                    ${this._makeNumericInput("Timeout (sec.)", "sentinel-update-state-timeout",
+                                             "Default is 45 sec.", sentinelUpdateStateTimeout,
+                                             "Maximum allowed time for PDisks states collection")}
+                </div>
+            </div>
+            <div class="form-group">
+                <div class="row">
+                    ${this._makeNumericInput("Change status retries", "sentinel-change-status-retries",
+                                             "Default is 5", sentinelChangeStatusRetries,
+                                             "Number of retries if status of PDisk cannot be changed due to BSC unavailability")}
+                    <div class="w-100 vs-4px"></div>
+                    ${this._makeNumericInput("Change status retry interval (sec.)", "sentinel-change-status-retry-interval",
+                                             "Default is 10 sec.", sentinelRetryChangeStatus,
+                                             "Used if BSC is temporarily unavailable.")}
+                </div>
+            </div>
+            <div class="form-group">
+                <div class="row">
+                    ${this._makeNumericInput("Default state limit", "sentinel-default-state-limit",
+                                             "Default is 5", sentinelDefaultStateLimit,
+                                             "Number of 'state update' cycles before changing status")}
+                    ${this._makeSentinelStateLimits(sentinelStateLimits, sentinelDefaultStateLimits)}
+                </div>
+            </div>
+            <div class="form-group">
+                <div class="row">
+                    <label class="col-form-label form-control-sm col-sm-auto">Persistent log settings</label>
+                </div>
+                <div class="row">
+                    ${this._makeLogLevelSelects()}
+                    <div class="w-100 vs-4px"></div>
+                    ${this._makeNumericInput("Time to live (days)", "log-ttl",
+                                             "Default is 14 days", logTTL)}
+                </div>
+            </div>
         </div>
         `;
 
@@ -1346,32 +1346,32 @@ class CmsConfigEditForm extends CommonEditForm {
         return res;
     }
 
-    _makeSentinelStateLimits(stateLimits, defaultStateLimits) { 
-        var res = ''; 
- 
-        for (var e of cmsEnums['PDiskStates'].keys()) { 
-            var name = cmsEnums.get('PDiskStates', e); 
-            var placeholder = "Use default if empty"; 
-            if (stateLimits.size == 0 && defaultStateLimits.has(e)) { 
-                placeholder = "Default is " + defaultStateLimits.get(e) + " cycles"; 
-            } 
- 
-            var val = stateLimits.has(e) ? stateLimits.get(e) : ''; 
-            res += ` 
-                <div class="w-100 vs-4px"></div> 
-                <div class="col-3"> 
-                    <label class="col-form-label form-control-sm"><i>${name}</i></label> 
-                </div> 
-                <div class="col-auto"> 
-                    <input type="number" class="form-control-sm cfg-form sentinel-state-limit" placeholder="${placeholder}" value="${val}" data-recordtype="${e}"/> 
-                </div> 
-                <div class="help-icon" data-toggle="tooltip" title="Number of 'state update' cycles before changing status"></div> 
-            `; 
-        } 
- 
-        return res; 
-    } 
- 
+    _makeSentinelStateLimits(stateLimits, defaultStateLimits) {
+        var res = '';
+
+        for (var e of cmsEnums['PDiskStates'].keys()) {
+            var name = cmsEnums.get('PDiskStates', e);
+            var placeholder = "Use default if empty";
+            if (stateLimits.size == 0 && defaultStateLimits.has(e)) {
+                placeholder = "Default is " + defaultStateLimits.get(e) + " cycles";
+            }
+
+            var val = stateLimits.has(e) ? stateLimits.get(e) : '';
+            res += `
+                <div class="w-100 vs-4px"></div>
+                <div class="col-3">
+                    <label class="col-form-label form-control-sm"><i>${name}</i></label>
+                </div>
+                <div class="col-auto">
+                    <input type="number" class="form-control-sm cfg-form sentinel-state-limit" placeholder="${placeholder}" value="${val}" data-recordtype="${e}"/>
+                </div>
+                <div class="help-icon" data-toggle="tooltip" title="Number of 'state update' cycles before changing status"></div>
+            `;
+        }
+
+        return res;
+    }
+
     _prepareData() {
         var data = super._prepareData();
         var cfg = {};
@@ -1404,28 +1404,28 @@ class CmsConfigEditForm extends CommonEditForm {
             }
         });
 
-        // sentinel 
-        this._setBoolSelectValue(cfg, 'sentinel-enabled', ['SentinelConfig', 'Enable']); 
-        this._setBoolSelectValue(cfg, 'sentinel-dry-run', ['SentinelConfig', 'DryRun']); 
-        this._setTimeSecValue(cfg, 'sentinel-update-config-interval', ['SentinelConfig', 'UpdateConfigInterval']); 
-        this._setTimeSecValue(cfg, 'sentinel-retry-update-config', ['SentinelConfig', 'RetryUpdateConfig']); 
-        this._setTimeSecValue(cfg, 'sentinel-update-state-interval', ['SentinelConfig', 'UpdateStateInterval']); 
-        this._setTimeSecValue(cfg, 'sentinel-update-state-timeout', ['SentinelConfig', 'UpdateStateTimeout']); 
-        this._setNumValue(cfg, 'sentinel-change-status-retries', ['SentinelConfig', 'ChangeStatusRetries']); 
-        this._setTimeSecValue(cfg, 'sentinel-change-status-retry-interval', ['SentinelConfig', 'RetryChangeStatus']); 
-        this._setNumValue(cfg, 'sentinel-default-state-limit', ['SentinelConfig', 'DefaultStateLimit']); 
-        $(this._form).find('input.sentinel-state-limit').each(function() { 
-            var val = $(this).val(); 
-            if (val) { 
-                if (cfg.SentinelConfig.StateLimits === undefined) 
-                    cfg.SentinelConfig.StateLimits = []; 
-                cfg.SentinelConfig.StateLimits.push({ 
-                    State: +this.dataset.recordtype, 
-                    Limit: +val, 
-                }); 
-            } 
-        }); 
- 
+        // sentinel
+        this._setBoolSelectValue(cfg, 'sentinel-enabled', ['SentinelConfig', 'Enable']);
+        this._setBoolSelectValue(cfg, 'sentinel-dry-run', ['SentinelConfig', 'DryRun']);
+        this._setTimeSecValue(cfg, 'sentinel-update-config-interval', ['SentinelConfig', 'UpdateConfigInterval']);
+        this._setTimeSecValue(cfg, 'sentinel-retry-update-config', ['SentinelConfig', 'RetryUpdateConfig']);
+        this._setTimeSecValue(cfg, 'sentinel-update-state-interval', ['SentinelConfig', 'UpdateStateInterval']);
+        this._setTimeSecValue(cfg, 'sentinel-update-state-timeout', ['SentinelConfig', 'UpdateStateTimeout']);
+        this._setNumValue(cfg, 'sentinel-change-status-retries', ['SentinelConfig', 'ChangeStatusRetries']);
+        this._setTimeSecValue(cfg, 'sentinel-change-status-retry-interval', ['SentinelConfig', 'RetryChangeStatus']);
+        this._setNumValue(cfg, 'sentinel-default-state-limit', ['SentinelConfig', 'DefaultStateLimit']);
+        $(this._form).find('input.sentinel-state-limit').each(function() {
+            var val = $(this).val();
+            if (val) {
+                if (cfg.SentinelConfig.StateLimits === undefined)
+                    cfg.SentinelConfig.StateLimits = [];
+                cfg.SentinelConfig.StateLimits.push({
+                    State: +this.dataset.recordtype,
+                    Limit: +val,
+                });
+            }
+        });
+
         data.Config = { CmsConfig: cfg };
 
         return data;
diff --git a/ydb/core/cms/ui/configs.js b/ydb/core/cms/ui/configs.js
index 5cfd08d399..f3b807e451 100644
--- a/ydb/core/cms/ui/configs.js
+++ b/ydb/core/cms/ui/configs.js
@@ -328,6 +328,6 @@ function initConfigsTab() {
         .add('ServiceKikimr', 'NKikimrServices::EServiceKikimr')
         .add('CmsLogConfigLevel', 'NKikimrCms::TCmsConfig::TLogConfig::ELevel')
         .add('CmsLogRecordType', 'NKikimrCms::TLogRecordData::EType')
-        .add('PDiskStates', 'NCms::EPDiskState') 
+        .add('PDiskStates', 'NCms::EPDiskState')
         .done(loadTypes);
 }
diff --git a/ydb/core/cms/ut/ya.make b/ydb/core/cms/ut/ya.make
index 6bea8c38b8..91fb1cd823 100644
--- a/ydb/core/cms/ut/ya.make
+++ b/ydb/core/cms/ut/ya.make
@@ -27,7 +27,7 @@ SRCS(
     cms_tenants_ut.cpp
     cms_ut_common.cpp
     cms_ut_common.h
-    downtime_ut.cpp 
+    downtime_ut.cpp
     ut_helpers.cpp
 )
 
diff --git a/ydb/core/cms/ut_helpers.h b/ydb/core/cms/ut_helpers.h
index 0a6f758bc7..ba2a0fa050 100644
--- a/ydb/core/cms/ut_helpers.h
+++ b/ydb/core/cms/ut_helpers.h
@@ -369,16 +369,16 @@ private:
     NKikimrBlobStorage::EDriveStatus Status;
 };
 
-inline NKikimrWhiteboard::TSystemStateInfo MakeSystemStateInfo(const TString& version, const TVector<TString>& roles = {}) { 
-    NKikimrWhiteboard::TSystemStateInfo result; 
- 
-    result.SetVersion(version); 
-    for (const auto& role : roles) { 
-        result.AddRoles(role); 
-    } 
- 
-    return result; 
-} 
- 
+inline NKikimrWhiteboard::TSystemStateInfo MakeSystemStateInfo(const TString& version, const TVector<TString>& roles = {}) {
+    NKikimrWhiteboard::TSystemStateInfo result;
+
+    result.SetVersion(version);
+    for (const auto& role : roles) {
+        result.AddRoles(role);
+    }
+
+    return result;
+}
+
 } // NCmsTest
 } // NKikimr
diff --git a/ydb/core/cms/ut_sentinel/ya.make b/ydb/core/cms/ut_sentinel/ya.make
index 3389b72145..773d06889a 100644
--- a/ydb/core/cms/ut_sentinel/ya.make
+++ b/ydb/core/cms/ut_sentinel/ya.make
@@ -1,26 +1,26 @@
 UNITTEST_FOR(ydb/core/cms)
- 
-OWNER( 
-    ilnaz 
-    g:kikimr 
-) 
- 
-SIZE(MEDIUM) 
 
-TIMEOUT(600) 
- 
-PEERDIR( 
+OWNER(
+    ilnaz
+    g:kikimr
+)
+
+SIZE(MEDIUM)
+
+TIMEOUT(600)
+
+PEERDIR(
     library/cpp/getopt
     library/cpp/svnversion
     ydb/core/testlib
-) 
- 
+)
+
 YQL_LAST_ABI_VERSION()
 
-SRCS( 
-    cms_ut_common.cpp 
-    cms_ut_common.h 
-    sentinel_ut.cpp 
-) 
- 
-END() 
+SRCS(
+    cms_ut_common.cpp
+    cms_ut_common.h
+    sentinel_ut.cpp
+)
+
+END()
diff --git a/ydb/core/cms/walle.h b/ydb/core/cms/walle.h
index 2427101734..9a08bb4575 100644
--- a/ydb/core/cms/walle.h
+++ b/ydb/core/cms/walle.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#include "audit_log.h" 
+#include "audit_log.h"
 #include "cms_state.h"
 #include "base_handler.h"
 #include "cms.h"
@@ -31,9 +31,9 @@ public:
     }
 };
 
-inline void WalleAuditLog(const IEventBase* request, const IEventBase* response, const TActorContext& ctx) { 
-    AuditLog("Wall-E adapter", request, response, ctx); 
-} 
+inline void WalleAuditLog(const IEventBase* request, const IEventBase* response, const TActorContext& ctx) {
+    AuditLog("Wall-E adapter", request, response, ctx);
+}
 
 } // NCms
 } // NKikimr
diff --git a/ydb/core/cms/walle_api_handler.cpp b/ydb/core/cms/walle_api_handler.cpp
index 5ab96db90c..7b62f3275a 100644
--- a/ydb/core/cms/walle_api_handler.cpp
+++ b/ydb/core/cms/walle_api_handler.cpp
@@ -44,7 +44,7 @@ public:
             else if (msg->Request.GetMethod() == HTTP_METHOD_POST)
                 ProcessCreateTasksRequest(msg->Request, ctx);
             else
-                ReplyWithError("HTTP/1.1 405 Method Not Allowed\r\n\r\n", ctx); 
+                ReplyWithError("HTTP/1.1 405 Method Not Allowed\r\n\r\n", ctx);
         } else if (path.StartsWith("tasks/")) {
             TString id = path.substr(strlen("tasks/"));
             if (msg->Request.GetMethod() == HTTP_METHOD_GET)
@@ -52,9 +52,9 @@ public:
             else if (msg->Request.GetMethod() == HTTP_METHOD_DELETE)
                 ProcessRemoveTaskRequest(id, ctx);
             else
-                ReplyWithError("HTTP/1.1 405 Method Not Allowed\r\n\r\n", ctx); 
+                ReplyWithError("HTTP/1.1 405 Method Not Allowed\r\n\r\n", ctx);
         } else {
-            ReplyWithError(NMonitoring::HTTPNOTFOUND, ctx); 
+            ReplyWithError(NMonitoring::HTTPNOTFOUND, ctx);
         }
     }
 
@@ -69,7 +69,7 @@ private:
         try {
             ReadJsonTree(http.GetPostContent(), &json, true);
         } catch (yexception e) {
-            ReplyWithError(TString("HTTP/1.1 400 Bad Request\r\n\r\nCan't parse provided JSON: ") + e.what(), ctx); 
+            ReplyWithError(TString("HTTP/1.1 400 Bad Request\r\n\r\nCan't parse provided JSON: ") + e.what(), ctx);
             return;
         }
 
@@ -89,7 +89,7 @@ private:
         if (params.contains("dry_run"))
             request->Record.SetDryRun(params.find("dry_run")->second == "true");
 
-        SendToCms(request.Release(), ctx); 
+        SendToCms(request.Release(), ctx);
         Become(&TThis::StateCreateTask, ctx, TDuration::Seconds(60), new TEvents::TEvWakeup());
     }
 
@@ -97,8 +97,8 @@ private:
     {
         switch (ev->GetTypeRewrite()) {
             HFunc(TEvCms::TEvWalleCreateTaskResponse, Handle);
-            HFunc(TEvTabletPipe::TEvClientConnected, Handle); 
-            HFunc(TEvTabletPipe::TEvClientDestroyed, Handle); 
+            HFunc(TEvTabletPipe::TEvClientConnected, Handle);
+            HFunc(TEvTabletPipe::TEvClientDestroyed, Handle);
             CFunc(TEvents::TSystem::Wakeup, Timeout);
         default:
             LOG_DEBUG(ctx, NKikimrServices::CMS, "TWalleApiHandler::StateCreateTask ignored event type: %" PRIx32 " event: %s",
@@ -106,7 +106,7 @@ private:
         }
     }
 
-    void Reply(const TWalleCreateTaskResponse &resp, const TActorContext &ctx) 
+    void Reply(const TWalleCreateTaskResponse &resp, const TActorContext &ctx)
     {
         TString status;
         if (!CheckStatus(resp.GetStatus(), status, false, ctx))
@@ -121,12 +121,12 @@ private:
         map.InsertValue("status", status);
         map.InsertValue("message", resp.GetStatus().GetReason());
 
-        Reply(WriteJson(map), ctx); 
+        Reply(WriteJson(map), ctx);
     }
 
     void Handle(TEvCms::TEvWalleCreateTaskResponse::TPtr &ev, const TActorContext &ctx)
     {
-        Reply(ev->Get()->Record, ctx); 
+        Reply(ev->Get()->Record, ctx);
     }
 
     //////////////////////////////////////////////
@@ -136,7 +136,7 @@ private:
     {
         TAutoPtr<TEvCms::TEvWalleListTasksRequest> request = new TEvCms::TEvWalleListTasksRequest;
 
-        SendToCms(request.Release(), ctx); 
+        SendToCms(request.Release(), ctx);
         Become(&TThis::StateListTasks, ctx, TDuration::Seconds(60), new TEvents::TEvWakeup());
     }
 
@@ -144,8 +144,8 @@ private:
     {
         switch (ev->GetTypeRewrite()) {
             HFunc(TEvCms::TEvWalleListTasksResponse, Handle);
-            HFunc(TEvTabletPipe::TEvClientConnected, Handle); 
-            HFunc(TEvTabletPipe::TEvClientDestroyed, Handle); 
+            HFunc(TEvTabletPipe::TEvClientConnected, Handle);
+            HFunc(TEvTabletPipe::TEvClientDestroyed, Handle);
             CFunc(TEvents::TSystem::Wakeup, Timeout);
         default:
             LOG_DEBUG(ctx, NKikimrServices::CMS, "TWalleApiHandler::StateListTasks ignored event type: %" PRIx32 " event: %s",
@@ -153,7 +153,7 @@ private:
         }
     }
 
-    void Reply(const TWalleListTasksResponse &resp, const TActorContext &ctx) 
+    void Reply(const TWalleListTasksResponse &resp, const TActorContext &ctx)
     {
         NJson::TJsonValue tasks(NJson::JSON_ARRAY);
         for (auto &task : resp.GetTasks()) {
@@ -171,12 +171,12 @@ private:
         NJson::TJsonValue res;
         res.InsertValue("result", tasks);
 
-        Reply(WriteJson(res), ctx); 
+        Reply(WriteJson(res), ctx);
     }
 
     void Handle(TEvCms::TEvWalleListTasksResponse::TPtr &ev, const TActorContext &ctx)
     {
-        Reply(ev->Get()->Record, ctx); 
+        Reply(ev->Get()->Record, ctx);
     }
 
     //////////////////////////////////////////////
@@ -187,7 +187,7 @@ private:
         TAutoPtr<TEvCms::TEvWalleCheckTaskRequest> request = new TEvCms::TEvWalleCheckTaskRequest;
         request->Record.SetTaskId(id);
 
-        SendToCms(request.Release(), ctx); 
+        SendToCms(request.Release(), ctx);
         Become(&TThis::StateCheckTask, ctx, TDuration::Seconds(60), new TEvents::TEvWakeup());
     }
 
@@ -195,8 +195,8 @@ private:
     {
         switch (ev->GetTypeRewrite()) {
             HFunc(TEvCms::TEvWalleCheckTaskResponse, Handle);
-            HFunc(TEvTabletPipe::TEvClientConnected, Handle); 
-            HFunc(TEvTabletPipe::TEvClientDestroyed, Handle); 
+            HFunc(TEvTabletPipe::TEvClientConnected, Handle);
+            HFunc(TEvTabletPipe::TEvClientDestroyed, Handle);
             CFunc(TEvents::TSystem::Wakeup, Timeout);
         default:
             LOG_DEBUG(ctx, NKikimrServices::CMS, "TWalleApiHandler::StateCheckTask ignored event type: %" PRIx32 " event: %s",
@@ -204,7 +204,7 @@ private:
         }
     }
 
-    void Reply(const TWalleCheckTaskResponse &resp, const TActorContext &ctx) 
+    void Reply(const TWalleCheckTaskResponse &resp, const TActorContext &ctx)
     {
         TString status;
         if (!CheckStatus(resp.GetStatus(), status, true, ctx))
@@ -219,12 +219,12 @@ private:
         map.InsertValue("status", status);
         map.InsertValue("message", resp.GetStatus().GetReason());
 
-        Reply(WriteJson(map), ctx); 
+        Reply(WriteJson(map), ctx);
     }
 
     void Handle(TEvCms::TEvWalleCheckTaskResponse::TPtr &ev, const TActorContext &ctx)
     {
-        Reply(ev->Get()->Record, ctx); 
+        Reply(ev->Get()->Record, ctx);
     }
 
     //////////////////////////////////////////////
@@ -235,7 +235,7 @@ private:
         TAutoPtr<TEvCms::TEvWalleRemoveTaskRequest> request = new TEvCms::TEvWalleRemoveTaskRequest;
         request->Record.SetTaskId(id);
 
-        SendToCms(request.Release(), ctx); 
+        SendToCms(request.Release(), ctx);
         Become(&TThis::StateRemoveTask, ctx, TDuration::Seconds(60), new TEvents::TEvWakeup());
     }
 
@@ -243,8 +243,8 @@ private:
     {
         switch (ev->GetTypeRewrite()) {
             HFunc(TEvCms::TEvWalleRemoveTaskResponse, Handle);
-            HFunc(TEvTabletPipe::TEvClientConnected, Handle); 
-            HFunc(TEvTabletPipe::TEvClientDestroyed, Handle); 
+            HFunc(TEvTabletPipe::TEvClientConnected, Handle);
+            HFunc(TEvTabletPipe::TEvClientDestroyed, Handle);
             CFunc(TEvents::TSystem::Wakeup, Timeout);
         default:
             LOG_DEBUG(ctx, NKikimrServices::CMS, "TWalleApiHandler::StateRemoveTask ignored event type: %" PRIx32 " event: %s",
@@ -252,18 +252,18 @@ private:
         }
     }
 
-    void Reply(const TWalleRemoveTaskResponse &resp, const TActorContext &ctx) 
+    void Reply(const TWalleRemoveTaskResponse &resp, const TActorContext &ctx)
     {
         TString status;
         if (!CheckStatus(resp.GetStatus(), status, true, ctx))
             return;
 
-        Reply("", ctx); 
+        Reply("", ctx);
     }
 
     void Handle(TEvCms::TEvWalleRemoveTaskResponse::TPtr &ev, const TActorContext &ctx)
     {
-        Reply(ev->Get()->Record, ctx); 
+        Reply(ev->Get()->Record, ctx);
     }
 
     //////////////////////////////////////////////
@@ -293,29 +293,29 @@ private:
                 err = NMonitoring::HTTPNOTFOUND;
             else
                 err = Sprintf("HTTP/1.1 400 Bad Request\r\n\r\n%s", status.GetReason().data());
-            ReplyWithError(err, ctx); 
+            ReplyWithError(err, ctx);
             return false;
         }
 
         auto err = Sprintf("HTTP/1.1 500 Internal Server Error\r\n\r\n%s", status.GetReason().data());
-        ReplyWithError(err, ctx); 
+        ReplyWithError(err, ctx);
         return false;
     }
 
-    void ReplyWithError(const TString &err, const TActorContext &ctx) 
+    void ReplyWithError(const TString &err, const TActorContext &ctx)
     {
-        return ReplyAndDie(err, ctx); 
+        return ReplyAndDie(err, ctx);
     }
 
-    void Reply(const TString &json, const TActorContext &ctx) 
+    void Reply(const TString &json, const TActorContext &ctx)
     {
-        const TString header = json ? NMonitoring::HTTPOKJSON : NMonitoring::HTTPNOCONTENT; 
-        return ReplyAndDie(header + json, ctx); 
-    } 
- 
-    void ReplyAndDie(const TString &data, const TActorContext &ctx) { 
-        AuditLog("Wall-E handler", RequestEvent, data, ctx); 
-        ctx.Send(RequestEvent->Sender, new NMon::TEvHttpInfoRes(data, 0, NMon::IEvHttpInfoRes::EContentType::Custom)); 
+        const TString header = json ? NMonitoring::HTTPOKJSON : NMonitoring::HTTPNOCONTENT;
+        return ReplyAndDie(header + json, ctx);
+    }
+
+    void ReplyAndDie(const TString &data, const TActorContext &ctx) {
+        AuditLog("Wall-E handler", RequestEvent, data, ctx);
+        ctx.Send(RequestEvent->Sender, new NMon::TEvHttpInfoRes(data, 0, NMon::IEvHttpInfoRes::EContentType::Custom));
         Die(ctx);
     }
 
@@ -327,50 +327,50 @@ private:
 
     void Timeout(const TActorContext& ctx)
     {
-        ReplyWithError(TString("HTTP/1.1 408 Request Timeout\r\n\r\nCMS request timeout"), ctx); 
+        ReplyWithError(TString("HTTP/1.1 408 Request Timeout\r\n\r\nCMS request timeout"), ctx);
     }
 
- 
-    void SendToCms(IEventBase* ev, const TActorContext &ctx) { 
-        Y_VERIFY(!CmsPipe); 
- 
-        ui32 domain = AppData(ctx)->DomainsInfo->Domains.begin()->first; 
-        NTabletPipe::TClientConfig pipeConfig; 
+
+    void SendToCms(IEventBase* ev, const TActorContext &ctx) {
+        Y_VERIFY(!CmsPipe);
+
+        ui32 domain = AppData(ctx)->DomainsInfo->Domains.begin()->first;
+        NTabletPipe::TClientConfig pipeConfig;
         pipeConfig.RetryPolicy = {
             .MinRetryTime = TDuration::MilliSeconds(10),
             .MaxRetryTime = TDuration::Seconds(10),
         };
         CmsPipe = ctx.RegisterWithSameMailbox(NTabletPipe::CreateClient(ctx.SelfID, MakeCmsID(domain), pipeConfig));
-        NTabletPipe::SendData(ctx, CmsPipe, ev); 
-    } 
- 
-    void Handle(TEvTabletPipe::TEvClientConnected::TPtr &ev, const TActorContext &ctx) { 
-        TEvTabletPipe::TEvClientConnected *msg = ev->Get(); 
- 
-        if (msg->ClientId != CmsPipe || msg->Status == NKikimrProto::OK) { 
-            return; 
-        } 
- 
-        HandlePipeDestroyed(ctx); 
-    } 
- 
-    void Handle(TEvTabletPipe::TEvClientDestroyed::TPtr &ev, const TActorContext &ctx) { 
-        TEvTabletPipe::TEvClientDestroyed *msg = ev->Get(); 
- 
-        if (msg->ClientId != CmsPipe) { 
-            return; 
-        } 
- 
-        HandlePipeDestroyed(ctx); 
-    } 
- 
-    void HandlePipeDestroyed(const TActorContext &ctx) { 
-        LOG_WARN(ctx, NKikimrServices::CMS, "TWalleApiHandler::HandlePipeDestroyed"); 
- 
-        NTabletPipe::CloseAndForgetClient(SelfId(), CmsPipe); 
-        Bootstrap(ctx); 
-    } 
- 
+        NTabletPipe::SendData(ctx, CmsPipe, ev);
+    }
+
+    void Handle(TEvTabletPipe::TEvClientConnected::TPtr &ev, const TActorContext &ctx) {
+        TEvTabletPipe::TEvClientConnected *msg = ev->Get();
+
+        if (msg->ClientId != CmsPipe || msg->Status == NKikimrProto::OK) {
+            return;
+        }
+
+        HandlePipeDestroyed(ctx);
+    }
+
+    void Handle(TEvTabletPipe::TEvClientDestroyed::TPtr &ev, const TActorContext &ctx) {
+        TEvTabletPipe::TEvClientDestroyed *msg = ev->Get();
+
+        if (msg->ClientId != CmsPipe) {
+            return;
+        }
+
+        HandlePipeDestroyed(ctx);
+    }
+
+    void HandlePipeDestroyed(const TActorContext &ctx) {
+        LOG_WARN(ctx, NKikimrServices::CMS, "TWalleApiHandler::HandlePipeDestroyed");
+
+        NTabletPipe::CloseAndForgetClient(SelfId(), CmsPipe);
+        Bootstrap(ctx);
+    }
+
     NMon::TEvHttpInfo::TPtr RequestEvent;
     TActorId CmsPipe;
 };
diff --git a/ydb/core/cms/walle_check_task_adapter.cpp b/ydb/core/cms/walle_check_task_adapter.cpp
index cf1df2a57b..e5570c9af9 100644
--- a/ydb/core/cms/walle_check_task_adapter.cpp
+++ b/ydb/core/cms/walle_check_task_adapter.cpp
@@ -27,7 +27,7 @@ public:
     {
         TString id = RequestEvent->Get()->Record.GetTaskId();
 
-        LOG_INFO(ctx, NKikimrServices::CMS, "Processing Wall-E request: %s", 
+        LOG_INFO(ctx, NKikimrServices::CMS, "Processing Wall-E request: %s",
                   RequestEvent->Get()->Record.ShortDebugString().data());
 
         if (!State->WalleTasks.contains(id)) {
@@ -93,7 +93,7 @@ private:
 
     void ReplyAndDie(TAutoPtr<TEvCms::TEvWalleCheckTaskResponse> resp, const TActorContext &ctx)
     {
-        WalleAuditLog(RequestEvent->Get(), resp.Get(), ctx); 
+        WalleAuditLog(RequestEvent->Get(), resp.Get(), ctx);
         ctx.Send(RequestEvent->Sender, resp.Release());
         Die(ctx);
     }
diff --git a/ydb/core/cms/walle_create_task_adapter.cpp b/ydb/core/cms/walle_create_task_adapter.cpp
index c6eda99e14..56989e2db0 100644
--- a/ydb/core/cms/walle_create_task_adapter.cpp
+++ b/ydb/core/cms/walle_create_task_adapter.cpp
@@ -26,7 +26,7 @@ public:
     {
         auto &rec = RequestEvent->Get()->Record;
 
-        LOG_INFO(ctx, NKikimrServices::CMS, "Processing Wall-E request: %s", 
+        LOG_INFO(ctx, NKikimrServices::CMS, "Processing Wall-E request: %s",
                   rec.ShortDebugString().data());
 
         if (rec.GetAction() != "reboot"
@@ -83,7 +83,7 @@ private:
 
     void ReplyAndDie(TAutoPtr<TEvCms::TEvWalleCreateTaskResponse> resp, const TActorContext &ctx)
     {
-        WalleAuditLog(RequestEvent->Get(), resp.Get(), ctx); 
+        WalleAuditLog(RequestEvent->Get(), resp.Get(), ctx);
         ctx.Send(RequestEvent->Sender, resp.Release());
         Die(ctx);
     }
@@ -149,38 +149,38 @@ private:
             ReplyAndDie(resp.Release(), ctx);
             return;
         } else {
-            // We always use infinite duration. 
-            // Wall-E MUST delete processed tasks. 
+            // We always use infinite duration.
+            // Wall-E MUST delete processed tasks.
             if (task.GetAction() == "reboot") {
                 action.SetType(TAction::SHUTDOWN_HOST);
-                action.SetDuration(TDuration::Max().GetValue()); 
+                action.SetDuration(TDuration::Max().GetValue());
             } else if (task.GetAction() == "power-off") {
                 action.SetType(TAction::SHUTDOWN_HOST);
-                action.SetDuration(TDuration::Max().GetValue()); 
+                action.SetDuration(TDuration::Max().GetValue());
             } else if (task.GetAction() == "change-disk") {
                 action.SetType(TAction::REPLACE_DEVICES);
-                action.SetDuration(TDuration::Max().GetValue()); 
+                action.SetDuration(TDuration::Max().GetValue());
             } else if (task.GetAction() == "change-memory") {
                 action.SetType(TAction::SHUTDOWN_HOST);
-                action.SetDuration(TDuration::Max().GetValue()); 
+                action.SetDuration(TDuration::Max().GetValue());
             } else if (task.GetAction() == "profile") {
                 action.SetType(TAction::SHUTDOWN_HOST);
-                action.SetDuration(TDuration::Max().GetValue()); 
+                action.SetDuration(TDuration::Max().GetValue());
             } else if (task.GetAction() == "redeploy") {
                 action.SetType(TAction::SHUTDOWN_HOST);
-                action.SetDuration(TDuration::Max().GetValue()); 
+                action.SetDuration(TDuration::Max().GetValue());
             } else if (task.GetAction() == "repair-link") {
                 action.SetType(TAction::SHUTDOWN_HOST);
-                action.SetDuration(TDuration::Max().GetValue()); 
+                action.SetDuration(TDuration::Max().GetValue());
             } else if (task.GetAction() == "repair-bmc") {
                 action.SetType(TAction::SHUTDOWN_HOST);
-                action.SetDuration(TDuration::Max().GetValue()); 
+                action.SetDuration(TDuration::Max().GetValue());
             } else if (task.GetAction() == "repair-overheat") {
                 action.SetType(TAction::SHUTDOWN_HOST);
-                action.SetDuration(TDuration::Max().GetValue()); 
+                action.SetDuration(TDuration::Max().GetValue());
             } else if (task.GetAction() == "repair-capping") {
                 action.SetType(TAction::SHUTDOWN_HOST);
-                action.SetDuration(TDuration::Max().GetValue()); 
+                action.SetDuration(TDuration::Max().GetValue());
             } else
                 Y_FAIL("Unknown action");
 
diff --git a/ydb/core/cms/walle_list_tasks_adapter.cpp b/ydb/core/cms/walle_list_tasks_adapter.cpp
index 0aea772dee..d256294cc1 100644
--- a/ydb/core/cms/walle_list_tasks_adapter.cpp
+++ b/ydb/core/cms/walle_list_tasks_adapter.cpp
@@ -23,11 +23,11 @@ public:
 
     void Bootstrap(const TActorContext &ctx)
     {
-        auto &rec = RequestEvent->Get()->Record; 
- 
-        LOG_INFO(ctx, NKikimrServices::CMS, "Processing Wall-E request: %s", 
-                  rec.ShortDebugString().data()); 
- 
+        auto &rec = RequestEvent->Get()->Record;
+
+        LOG_INFO(ctx, NKikimrServices::CMS, "Processing Wall-E request: %s",
+                  rec.ShortDebugString().data());
+
         TAutoPtr<TEvCms::TEvWalleListTasksResponse> response = new TEvCms::TEvWalleListTasksResponse;
 
         for (auto &entry : State->WalleTasks) {
@@ -55,7 +55,7 @@ public:
 private:
     void ReplyAndDie(TAutoPtr<TEvCms::TEvWalleListTasksResponse> resp, const TActorContext &ctx)
     {
-        WalleAuditLog(RequestEvent->Get(), resp.Get(), ctx); 
+        WalleAuditLog(RequestEvent->Get(), resp.Get(), ctx);
         ctx.Send(RequestEvent->Sender, resp.Release());
         Die(ctx);
     }
diff --git a/ydb/core/cms/walle_remove_task_adapter.cpp b/ydb/core/cms/walle_remove_task_adapter.cpp
index 6991cd8aa9..899d484825 100644
--- a/ydb/core/cms/walle_remove_task_adapter.cpp
+++ b/ydb/core/cms/walle_remove_task_adapter.cpp
@@ -27,7 +27,7 @@ public:
         TAutoPtr<TEvCms::TEvWalleRemoveTaskResponse> response = new TEvCms::TEvWalleRemoveTaskResponse;
         TString id = RequestEvent->Get()->Record.GetTaskId();
 
-        LOG_INFO(ctx, NKikimrServices::CMS, "Processing Wall-E request: %s", 
+        LOG_INFO(ctx, NKikimrServices::CMS, "Processing Wall-E request: %s",
                   RequestEvent->Get()->Record.ShortDebugString().data());
 
         if (!State->WalleTasks.contains(id)) {
@@ -64,7 +64,7 @@ private:
 
     void ReplyAndDie(TAutoPtr<TEvCms::TEvWalleRemoveTaskResponse> resp, const TActorContext &ctx)
     {
-        WalleAuditLog(RequestEvent->Get(), resp.Get(), ctx); 
+        WalleAuditLog(RequestEvent->Get(), resp.Get(), ctx);
         ctx.Send(RequestEvent->Sender, resp.Release());
         Die(ctx);
     }
diff --git a/ydb/core/cms/ya.make b/ydb/core/cms/ya.make
index 03aa62e19c..b341c4a0d0 100644
--- a/ydb/core/cms/ya.make
+++ b/ydb/core/cms/ya.make
@@ -6,7 +6,7 @@ OWNER(
 )
 
 SRCS(
-    audit_log.cpp 
+    audit_log.cpp
     base_handler.h
     cluster_info.cpp
     cluster_info.h
@@ -49,8 +49,8 @@ SRCS(
     log_formatter.h
     pdiskid.h
     scheme.h
-    sentinel.cpp 
-    services.cpp 
+    sentinel.cpp
+    services.cpp
     walle.h
     walle_api_handler.cpp
     walle_check_task_adapter.cpp
@@ -105,8 +105,8 @@ PEERDIR(
     ydb/library/aclib
 )
 
-GENERATE_ENUM_SERIALIZATION(services.h) 
- 
+GENERATE_ENUM_SERIALIZATION(services.h)
+
 END()
 
 RECURSE(
diff --git a/ydb/core/driver_lib/cli_base/cli_cmds_db.cpp b/ydb/core/driver_lib/cli_base/cli_cmds_db.cpp
index 1405fc835c..450d4135c6 100644
--- a/ydb/core/driver_lib/cli_base/cli_cmds_db.cpp
+++ b/ydb/core/driver_lib/cli_base/cli_cmds_db.cpp
@@ -2,7 +2,7 @@
 #include "cli_cmds.h"
 
 #include <ydb/core/tx/schemeshard/schemeshard_user_attr_limits.h>
- 
+
 #include <ydb/library/aclib/aclib.h>
 
 #include <ydb/public/sdk/cpp/client/resources/ydb_resources.h>
@@ -13,7 +13,7 @@
 #include <ydb/public/api/grpc/ydb_table_v1.grpc.pb.h>
 #include <ydb/public/sdk/cpp/client/ydb_table/table.h>
 
-#include <util/generic/hash.h> 
+#include <util/generic/hash.h>
 #include <util/string/split.h>
 #include <util/string/join.h>
 #include <util/string/printf.h>
@@ -268,9 +268,9 @@ public:
         case NKikimrSchemeOp::EPathTypeSequence:
             type = "<sequence>";
             break;
-        case NKikimrSchemeOp::EPathTypeReplication: 
-            type = "<replication>"; 
-            break; 
+        case NKikimrSchemeOp::EPathTypeReplication:
+            type = "<replication>";
+            break;
         case NKikimrSchemeOp::EPathTypePersQueueGroup:
             type = "<pq group>";
             break;
@@ -483,9 +483,9 @@ public:
         case NKikimrSchemeOp::EPathTypeSequence:
             type = "<sequence>";
             break;
-        case NKikimrSchemeOp::EPathTypeReplication: 
-            type = "<replication>"; 
-            break; 
+        case NKikimrSchemeOp::EPathTypeReplication:
+            type = "<replication>";
+            break;
         default:
             type = "<unknown>";
             break;
@@ -1019,58 +1019,58 @@ public:
     }
 };
 
-class TClientCommandSchemaUserAttributeGet: public TClientCommand { 
-public: 
-    TClientCommandSchemaUserAttributeGet() 
-        : TClientCommand("get", {}, "Get user attributes") 
-    {} 
- 
-    virtual void Config(TConfig& config) override { 
-        TClientCommand::Config(config); 
-        config.SetFreeArgsNum(1); 
-        SetFreeArgTitle(0, "<PATH>", "Full pathname of an object (e.g. /ru/home/user/mydb/test1/test2).\n" 
-            "            Or short pathname if profile path is set (e.g. test1/test2)."); 
-    } 
- 
-    TString Path; 
- 
-    virtual void Parse(TConfig& config) override { 
-        TClientCommand::Parse(config); 
-        TString pathname = config.ParseResult->GetFreeArgs()[0]; 
-        if (config.Path) { 
-            // Profile path is set 
-            if (!pathname.StartsWith('/')) { 
-                Path = config.Path + '/' + pathname; 
-            } else { 
-                WarnProfilePathSet(); 
-                Path = pathname; 
-            } 
-        } else { 
-            Path = pathname; 
-        } 
-    } 
- 
+class TClientCommandSchemaUserAttributeGet: public TClientCommand {
+public:
+    TClientCommandSchemaUserAttributeGet()
+        : TClientCommand("get", {}, "Get user attributes")
+    {}
+
+    virtual void Config(TConfig& config) override {
+        TClientCommand::Config(config);
+        config.SetFreeArgsNum(1);
+        SetFreeArgTitle(0, "<PATH>", "Full pathname of an object (e.g. /ru/home/user/mydb/test1/test2).\n"
+            "            Or short pathname if profile path is set (e.g. test1/test2).");
+    }
+
+    TString Path;
+
+    virtual void Parse(TConfig& config) override {
+        TClientCommand::Parse(config);
+        TString pathname = config.ParseResult->GetFreeArgs()[0];
+        if (config.Path) {
+            // Profile path is set
+            if (!pathname.StartsWith('/')) {
+                Path = config.Path + '/' + pathname;
+            } else {
+                WarnProfilePathSet();
+                Path = pathname;
+            }
+        } else {
+            Path = pathname;
+        }
+    }
+
     static void Print(const google::protobuf::RepeatedPtrField<NKikimrSchemeOp::TUserAttribute>& items) {
-        for (const auto& item : items) { 
-            Cout << item.GetKey() << ": " << item.GetValue() << Endl; 
-        } 
-    } 
- 
-    virtual int Run(TConfig& config) override { 
-        TAutoPtr<NMsgBusProxy::TBusSchemeDescribe> request(new NMsgBusProxy::TBusSchemeDescribe()); 
-        NKikimrClient::TSchemeDescribe& record(request->Record); 
- 
-        record.SetPath(Path); 
- 
-        return MessageBusCall<NMsgBusProxy::TBusSchemeDescribe, NMsgBusProxy::TBusResponse>(config, request, 
-            [](const NMsgBusProxy::TBusResponse& response) -> int { 
-                Print(response.Record.GetPathDescription().GetUserAttributes()); 
-                return 0; 
-            } 
-        ); 
-    } 
-}; 
- 
+        for (const auto& item : items) {
+            Cout << item.GetKey() << ": " << item.GetValue() << Endl;
+        }
+    }
+
+    virtual int Run(TConfig& config) override {
+        TAutoPtr<NMsgBusProxy::TBusSchemeDescribe> request(new NMsgBusProxy::TBusSchemeDescribe());
+        NKikimrClient::TSchemeDescribe& record(request->Record);
+
+        record.SetPath(Path);
+
+        return MessageBusCall<NMsgBusProxy::TBusSchemeDescribe, NMsgBusProxy::TBusResponse>(config, request,
+            [](const NMsgBusProxy::TBusResponse& response) -> int {
+                Print(response.Record.GetPathDescription().GetUserAttributes());
+                return 0;
+            }
+        );
+    }
+};
+
 std::pair<TString, TString> SplitPath(const TClientCommand::TConfig& config, const TString& pathname) {
     std::pair<TString, TString> result;
 
@@ -1093,93 +1093,93 @@ std::pair<TString, TString> SplitPath(const TClientCommand::TConfig& config, con
     return result;
 }
 
-class TClientCommandSchemaUserAttributeSet: public TClientCommand { 
+class TClientCommandSchemaUserAttributeSet: public TClientCommand {
     using TUserAttributesLimits = NSchemeShard::TUserAttributesLimits;
- 
-public: 
-    TClientCommandSchemaUserAttributeSet() 
-        : TClientCommand("set", {}, "Set user attribute(s)") 
-    {} 
- 
-    virtual void Config(TConfig& config) override { 
-        TClientCommand::Config(config); 
-        config.SetFreeArgsMin(2); 
-        SetFreeArgTitle(0, "<PATH>", "Full pathname of an object (e.g. /ru/home/user/mydb/test1/test2).\n" 
-            "            Or short pathname if profile path is set (e.g. test1/test2)."); 
-        SetFreeArgTitle(1, "<ATTRIBUTE>", "NAME=VALUE"); 
-    } 
- 
-    TString Base; 
-    TString Name; 
-    THashMap<TString, TString> Attributes; 
- 
-    virtual void Parse(TConfig& config) override { 
-        TClientCommand::Parse(config); 
- 
+
+public:
+    TClientCommandSchemaUserAttributeSet()
+        : TClientCommand("set", {}, "Set user attribute(s)")
+    {}
+
+    virtual void Config(TConfig& config) override {
+        TClientCommand::Config(config);
+        config.SetFreeArgsMin(2);
+        SetFreeArgTitle(0, "<PATH>", "Full pathname of an object (e.g. /ru/home/user/mydb/test1/test2).\n"
+            "            Or short pathname if profile path is set (e.g. test1/test2).");
+        SetFreeArgTitle(1, "<ATTRIBUTE>", "NAME=VALUE");
+    }
+
+    TString Base;
+    TString Name;
+    THashMap<TString, TString> Attributes;
+
+    virtual void Parse(TConfig& config) override {
+        TClientCommand::Parse(config);
+
         std::tie(Base, Name) = SplitPath(config, config.ParseResult->GetFreeArgs()[0]);
- 
-        for (ui32 i = 1; i < config.ParseResult->GetFreeArgCount(); ++i) { 
-            TString attr = config.ParseResult->GetFreeArgs()[i]; 
-            TVector<TString> items = StringSplitter(attr).Split('=').ToList<TString>(); 
-            if (items.size() != 2) { 
-                Cerr << "Bad format in attribute '" + attr + "'"; 
-                exit(1); 
-            } 
- 
-            const TString& key = items.at(0); 
+
+        for (ui32 i = 1; i < config.ParseResult->GetFreeArgCount(); ++i) {
+            TString attr = config.ParseResult->GetFreeArgs()[i];
+            TVector<TString> items = StringSplitter(attr).Split('=').ToList<TString>();
+            if (items.size() != 2) {
+                Cerr << "Bad format in attribute '" + attr + "'";
+                exit(1);
+            }
+
+            const TString& key = items.at(0);
             if (key.size() > TUserAttributesLimits::MaxNameLen) {
-                Cerr << "Key '" << key << "' too long" 
+                Cerr << "Key '" << key << "' too long"
                      << ", max: " << TUserAttributesLimits::MaxNameLen
-                     << ", actual: " << key.size() << Endl; 
-                exit(1); 
-            } 
- 
-            const TString& value = items.at(1); 
+                     << ", actual: " << key.size() << Endl;
+                exit(1);
+            }
+
+            const TString& value = items.at(1);
             if (value.size() > TUserAttributesLimits::MaxValueLen) {
-                Cerr << "Value '" << value << "' too long" 
+                Cerr << "Value '" << value << "' too long"
                      << ", max: " << TUserAttributesLimits::MaxValueLen
-                     << ", actual: " << value.size() << Endl; 
-                exit(1); 
-            } 
- 
-            if (Attributes.contains(key)) { 
-                Cerr << "Duplicate value for key: " << key << Endl; 
-            } 
- 
-            Attributes[key] = value; 
-        } 
-    } 
- 
-    virtual int Run(TConfig& config) override { 
-        TAutoPtr<NMsgBusProxy::TBusSchemeOperation> request(new NMsgBusProxy::TBusSchemeOperation()); 
-        NKikimrClient::TSchemeOperation& record(request->Record); 
- 
-        auto& modifyScheme = *record.MutableTransaction()->MutableModifyScheme(); 
+                     << ", actual: " << value.size() << Endl;
+                exit(1);
+            }
+
+            if (Attributes.contains(key)) {
+                Cerr << "Duplicate value for key: " << key << Endl;
+            }
+
+            Attributes[key] = value;
+        }
+    }
+
+    virtual int Run(TConfig& config) override {
+        TAutoPtr<NMsgBusProxy::TBusSchemeOperation> request(new NMsgBusProxy::TBusSchemeOperation());
+        NKikimrClient::TSchemeOperation& record(request->Record);
+
+        auto& modifyScheme = *record.MutableTransaction()->MutableModifyScheme();
         modifyScheme.SetOperationType(NKikimrSchemeOp::EOperationType::ESchemeOpAlterUserAttributes);
-        modifyScheme.SetWorkingDir(Base); 
- 
-        auto& alter = *modifyScheme.MutableAlterUserAttributes(); 
-        alter.SetPathName(Name); 
-        auto& attributes = *alter.MutableUserAttributes(); 
-        attributes.Reserve(Attributes.size()); 
-        for (const auto& kv : Attributes) { 
-            auto& attribute = *attributes.Add(); 
-            attribute.SetKey(kv.first); 
-            attribute.SetValue(kv.second); 
-        } 
- 
-        return MessageBusCall<NMsgBusProxy::TBusSchemeOperation, NMsgBusProxy::TBusResponse>(config, request, 
-            [](const NMsgBusProxy::TBusResponse& response) -> int { 
-                if (response.Record.GetStatus() != NMsgBusProxy::MSTATUS_OK) { 
-                    Cerr << ToCString(static_cast<NMsgBusProxy::EResponseStatus>(response.Record.GetStatus())) << " " << response.Record.GetErrorReason() << Endl; 
-                    return 1; 
-                } 
-                return 0; 
-            } 
-        ); 
-    } 
-}; 
- 
+        modifyScheme.SetWorkingDir(Base);
+
+        auto& alter = *modifyScheme.MutableAlterUserAttributes();
+        alter.SetPathName(Name);
+        auto& attributes = *alter.MutableUserAttributes();
+        attributes.Reserve(Attributes.size());
+        for (const auto& kv : Attributes) {
+            auto& attribute = *attributes.Add();
+            attribute.SetKey(kv.first);
+            attribute.SetValue(kv.second);
+        }
+
+        return MessageBusCall<NMsgBusProxy::TBusSchemeOperation, NMsgBusProxy::TBusResponse>(config, request,
+            [](const NMsgBusProxy::TBusResponse& response) -> int {
+                if (response.Record.GetStatus() != NMsgBusProxy::MSTATUS_OK) {
+                    Cerr << ToCString(static_cast<NMsgBusProxy::EResponseStatus>(response.Record.GetStatus())) << " " << response.Record.GetErrorReason() << Endl;
+                    return 1;
+                }
+                return 0;
+            }
+        );
+    }
+};
+
 class TClientCommandSchemaUserAttributeDel: public TClientCommand {
     using TUserAttributesLimits = NSchemeShard::TUserAttributesLimits;
 
@@ -1245,17 +1245,17 @@ public:
     }
 };
 
-class TClientCommandSchemaUserAttribute: public TClientCommandTree { 
-public: 
-    TClientCommandSchemaUserAttribute() 
-        : TClientCommandTree("user-attribute", { "ua" }, "User attribute operations") 
-    { 
+class TClientCommandSchemaUserAttribute: public TClientCommandTree {
+public:
+    TClientCommandSchemaUserAttribute()
+        : TClientCommandTree("user-attribute", { "ua" }, "User attribute operations")
+    {
         AddCommand(std::make_unique<TClientCommandSchemaUserAttributeGet>());
         AddCommand(std::make_unique<TClientCommandSchemaUserAttributeSet>());
         AddCommand(std::make_unique<TClientCommandSchemaUserAttributeDel>());
-    } 
-}; 
- 
+    }
+};
+
 TClientCommandSchemaLite::TClientCommandSchemaLite()
     : TClientCommandTree("schema", {}, "Schema operations")
 {
diff --git a/ydb/core/driver_lib/cli_utils/cli_cmds_cms.cpp b/ydb/core/driver_lib/cli_utils/cli_cmds_cms.cpp
index 9932eaf36b..8d8e54af65 100644
--- a/ydb/core/driver_lib/cli_utils/cli_cmds_cms.cpp
+++ b/ydb/core/driver_lib/cli_utils/cli_cmds_cms.cpp
@@ -47,13 +47,13 @@ public:
 
         auto handler = [this](const NMsgBusProxy::TBusCmsResponse &response) -> int {
             auto &rec = response.Record;
-            switch (rec.GetStatus().GetCode()) { 
-            case NKikimrCms::TStatus::OK: 
-            case NKikimrCms::TStatus::ALLOW: 
-            case NKikimrCms::TStatus::ALLOW_PARTIAL: 
-                PrintOkResponse(rec); 
-                return 0; 
-            default: 
+            switch (rec.GetStatus().GetCode()) {
+            case NKikimrCms::TStatus::OK:
+            case NKikimrCms::TStatus::ALLOW:
+            case NKikimrCms::TStatus::ALLOW_PARTIAL:
+                PrintOkResponse(rec);
+                return 0;
+            default:
                 PrintErrorResponse(rec);
                 return 1;
             }
@@ -66,22 +66,22 @@ public:
 
     virtual void PrintErrorResponse(const NKikimrClient::TCmsResponse &response)
     {
-        PrintResponse(response); 
+        PrintResponse(response);
     }
 
     virtual void PrintOkResponse(const NKikimrClient::TCmsResponse &response)
     {
-        PrintResponse(response); 
-    }
- 
-    void PrintResponse(const NKikimrClient::TCmsResponse &response) 
-    { 
-        Cout << response.GetStatus().GetCode() << Endl 
-             << response.DebugString(); 
-        if (const auto& issues = response.GetStatus().GetReason()) { 
-            Cerr << issues << Endl; 
-        } 
-    } 
+        PrintResponse(response);
+    }
+
+    void PrintResponse(const NKikimrClient::TCmsResponse &response)
+    {
+        Cout << response.GetStatus().GetCode() << Endl
+             << response.DebugString();
+        if (const auto& issues = response.GetStatus().GetReason()) {
+            Cerr << issues << Endl;
+        }
+    }
 };
 
 class TClientCommandState : public TCmsClientCommand {
@@ -294,7 +294,7 @@ public:
 class TClientCommandWithAction : public TCmsClientCommand {
 public:
     enum EFreeField {
-        FF_TENANT, 
+        FF_TENANT,
         FF_HOST,
         FF_SERVICE,
         FF_DEVICE
@@ -311,7 +311,7 @@ public:
                              NKikimrCms::TAction::EType type,
                              EFreeField freeArgField,
                              bool hasDuration)
-        : TCmsClientCommand(CommandName(freeArgField), {}, description) 
+        : TCmsClientCommand(CommandName(freeArgField), {}, description)
         , Type(type)
         , FreeArgField(freeArgField)
         , HasDuration(hasDuration)
@@ -325,14 +325,14 @@ public:
         Host = "";
         Duration = 0;
 
-        if (FreeArgField == FF_SERVICE || FreeArgField == FF_DEVICE) 
+        if (FreeArgField == FF_SERVICE || FreeArgField == FF_DEVICE)
             config.Opts->AddLongOption("host", "Host name").Required()
                 .RequiredArgument("NAME").StoreResult(&Host);
         if (HasDuration)
             config.Opts->AddLongOption("duration", "Action duration in minutes")
                 .Required().RequiredArgument("NUM").StoreResult(&Duration);
         config.SetFreeArgsMin(1);
-        config.Opts->SetFreeArgDefaultTitle("<NAME>", FreeArgDescr(FreeArgField)); 
+        config.Opts->SetFreeArgDefaultTitle("<NAME>", FreeArgDescr(FreeArgField));
     }
 
     void Parse(TConfig& config) override
@@ -346,58 +346,58 @@ public:
             if (Host)
                 action.SetHost(Host);
             if (param) {
-                switch (FreeArgField) { 
-                case FF_TENANT: 
-                    action.SetTenant(param); 
-                    break; 
-                case FF_HOST: 
+                switch (FreeArgField) {
+                case FF_TENANT:
+                    action.SetTenant(param);
+                    break;
+                case FF_HOST:
                     action.SetHost(param);
-                    break; 
-                case FF_SERVICE: 
-                    *action.AddServices() = param; 
-                    break; 
-                case FF_DEVICE: 
+                    break;
+                case FF_SERVICE:
+                    *action.AddServices() = param;
+                    break;
+                case FF_DEVICE:
                     *action.AddDevices() = param;
-                    break; 
-                default: 
-                    Y_FAIL("Unknown free arg field"); 
-                } 
+                    break;
+                default:
+                    Y_FAIL("Unknown free arg field");
+                }
             }
             if (Duration)
                 action.SetDuration(TDuration::Minutes(Duration).GetValue());
         }
     }
- 
-private: 
-    static TString CommandName(EFreeField freeArgField) { 
-        switch (freeArgField) { 
-        case FF_TENANT: 
-            return "tenant"; 
-        case FF_HOST: 
-            return "host"; 
-        case FF_SERVICE: 
-            return "service"; 
-        case FF_DEVICE: 
-            return "device"; 
-        default: 
-            Y_FAIL("Unknown free arg field"); 
-        } 
-    } 
- 
-    static TString FreeArgDescr(EFreeField freeArgField) { 
-        switch (freeArgField) { 
-        case FF_TENANT: 
-            return "Tenant name"; 
-        case FF_HOST: 
-            return "Host name"; 
-        case FF_SERVICE: 
-            return "Service name"; 
-        case FF_DEVICE: 
-            return "Device name"; 
-        default: 
-            Y_FAIL("Unknown free arg field"); 
-        } 
-    } 
+
+private:
+    static TString CommandName(EFreeField freeArgField) {
+        switch (freeArgField) {
+        case FF_TENANT:
+            return "tenant";
+        case FF_HOST:
+            return "host";
+        case FF_SERVICE:
+            return "service";
+        case FF_DEVICE:
+            return "device";
+        default:
+            Y_FAIL("Unknown free arg field");
+        }
+    }
+
+    static TString FreeArgDescr(EFreeField freeArgField) {
+        switch (freeArgField) {
+        case FF_TENANT:
+            return "Tenant name";
+        case FF_HOST:
+            return "Host name";
+        case FF_SERVICE:
+            return "Service name";
+        case FF_DEVICE:
+            return "Device name";
+        default:
+            Y_FAIL("Unknown free arg field");
+        }
+    }
 };
 
 class TClientCommandMakeRequest : public TClientCommandWithAction {
@@ -410,7 +410,7 @@ public:
     ui32 Hours;
     ui32 Minutes;
     TString TenantPolicy;
-    TString AvailabilityMode; 
+    TString AvailabilityMode;
 
     TClientCommandMakeRequest(const TString &description,
                              NKikimrCms::TAction::EType type,
@@ -447,8 +447,8 @@ public:
             .RequiredArgument("none|default").StoreResult(&TenantPolicy);
         config.Opts->AddLongOption("allow-partial", "Allow partial permission")
             .NoArgument().SetFlag(&AllowPartial);
-        config.Opts->AddLongOption("availability-mode", "Availability mode") 
-            .RequiredArgument("max|keep|force").DefaultValue("max").StoreResult(&AvailabilityMode); 
+        config.Opts->AddLongOption("availability-mode", "Availability mode")
+            .RequiredArgument("max|keep|force").DefaultValue("max").StoreResult(&AvailabilityMode);
     }
 
     void Parse(TConfig& config) override
@@ -475,16 +475,16 @@ public:
             else
                 ythrow yexception() << "unknown tenant policy '" << TenantPolicy << "'";
         }
-        if (AvailabilityMode) { 
-            if (AvailabilityMode == "max") 
-                rec.SetAvailabilityMode(NKikimrCms::MODE_MAX_AVAILABILITY); 
-            else if (AvailabilityMode == "keep") 
-                rec.SetAvailabilityMode(NKikimrCms::MODE_KEEP_AVAILABLE); 
-            else if (AvailabilityMode == "force") 
-                rec.SetAvailabilityMode(NKikimrCms::MODE_FORCE_RESTART); 
-            else 
-                ythrow yexception() << "unknown availability mode '" << AvailabilityMode << "'"; 
-        } 
+        if (AvailabilityMode) {
+            if (AvailabilityMode == "max")
+                rec.SetAvailabilityMode(NKikimrCms::MODE_MAX_AVAILABILITY);
+            else if (AvailabilityMode == "keep")
+                rec.SetAvailabilityMode(NKikimrCms::MODE_KEEP_AVAILABLE);
+            else if (AvailabilityMode == "force")
+                rec.SetAvailabilityMode(NKikimrCms::MODE_FORCE_RESTART);
+            else
+                ythrow yexception() << "unknown availability mode '" << AvailabilityMode << "'";
+        }
         if (Hours || Minutes) {
             auto duration = TDuration::Minutes(Minutes) + TDuration::Hours(Hours);
             rec.SetDuration(duration.GetValue());
@@ -536,9 +536,9 @@ public:
                                                  TClientCommandWithAction::FF_HOST,
                                                  true));
         AddCommand(std::make_unique<TClientCommandMakeRequest>("Ask for permission to restart tenant's hosts",
-                                                 NKikimrCms::TAction::SHUTDOWN_HOST, 
-                                                 TClientCommandWithAction::FF_TENANT, 
-                                                 true)); 
+                                                 NKikimrCms::TAction::SHUTDOWN_HOST,
+                                                 TClientCommandWithAction::FF_TENANT,
+                                                 true));
     }
 };
 
diff --git a/ydb/core/driver_lib/cli_utils/cli_cmds_server.cpp b/ydb/core/driver_lib/cli_utils/cli_cmds_server.cpp
index e167c0c9c5..6766dd3171 100644
--- a/ydb/core/driver_lib/cli_utils/cli_cmds_server.cpp
+++ b/ydb/core/driver_lib/cli_utils/cli_cmds_server.cpp
@@ -424,7 +424,7 @@ protected:
         OPTION("pq-file", PQConfig);
         OPTION("pqcd-file", PQClusterDiscoveryConfig);
         OPTION("netclassifier-file", NetClassifierConfig);
-        OPTION("auth-file", AuthConfig); 
+        OPTION("auth-file", AuthConfig);
         OPTION_MERGE("auth-token-file", AuthConfig);
         OPTION("key-file", KeyConfig);
         OPTION("pdisk-key-file", PDiskKeyConfig);
@@ -943,7 +943,7 @@ protected:
             NodeResolveHost = NodeHost;
 
         THolder<NClient::TRegistrationResult> result;
-        while (!result || !result->IsSuccess()) { 
+        while (!result || !result->IsSuccess()) {
             for (auto addr : addrs) {
                 result = TryToRegisterDynamicNode(addr, domainName, NodeHost, NodeAddress, NodeResolveHost, GetSchemePath());
                 if (result->IsSuccess()) {
@@ -1026,8 +1026,8 @@ protected:
                                                      FQDNHostName(),
                                                      TenantName,
                                                      NodeType,
-                                                     DeduceNodeDomain(), 
-                                                     AppConfig.GetAuthConfig().GetStaffApiUserToken()); 
+                                                     DeduceNodeDomain(),
+                                                     AppConfig.GetAuthConfig().GetStaffApiUserToken());
 
         if (!result.IsSuccess()) {
             error = result.GetErrorMessage();
diff --git a/ydb/core/driver_lib/run/config.h b/ydb/core/driver_lib/run/config.h
index 610ed32537..faf1797413 100644
--- a/ydb/core/driver_lib/run/config.h
+++ b/ydb/core/driver_lib/run/config.h
@@ -58,7 +58,7 @@ union TBasicKikimrServicesMask {
         bool EnablePersQueueClusterTracker:1;
         bool EnableSysViewService:1;
         bool EnableMeteringWriter:1;
-        bool EnableSchemeBoardMonitoring:1; 
+        bool EnableSchemeBoardMonitoring:1;
         bool EnableConfigsCache:1;
         bool EnableLongTxService:1;
         bool EnableHealthCheckService:1;
diff --git a/ydb/core/driver_lib/run/kikimr_services_initializers.cpp b/ydb/core/driver_lib/run/kikimr_services_initializers.cpp
index 809fe55476..819c1478d1 100644
--- a/ydb/core/driver_lib/run/kikimr_services_initializers.cpp
+++ b/ydb/core/driver_lib/run/kikimr_services_initializers.cpp
@@ -111,7 +111,7 @@
 #include <ydb/core/tx/datashard/datashard.h>
 #include <ydb/core/tx/columnshard/columnshard.h>
 #include <ydb/core/tx/mediator/mediator.h>
-#include <ydb/core/tx/replication/controller/controller.h> 
+#include <ydb/core/tx/replication/controller/controller.h>
 #include <ydb/core/tx/scheme_board/scheme_board.h>
 #include <ydb/core/tx/schemeshard/schemeshard.h>
 #include <ydb/core/tx/sequenceproxy/sequenceproxy.h>
@@ -181,7 +181,7 @@
 #include <library/cpp/lwtrace/mon/mon_lwtrace.h>
 
 #include <util/digest/city.h>
-#include <util/generic/algorithm.h> 
+#include <util/generic/algorithm.h>
 #include <util/generic/size_literals.h>
 
 #include <util/system/hostname.h>
@@ -865,7 +865,7 @@ void TStateStorageServiceInitializer::InitializeServices(NActors::TActorSystemSe
         StartLocalStateStorageReplicas(CreateSchemeBoardReplica, sbrInfo.Get(), appData->SystemPoolId, *setup);
 
         setup->LocalServices.push_back(std::pair<TActorId, TActorSetupCmd>(MakeStateStorageProxyID(ssid),
-                                                                           TActorSetupCmd(CreateStateStorageProxy(ssrInfo.Get(), ssbInfo.Get(), sbrInfo.Get()), 
+                                                                           TActorSetupCmd(CreateStateStorageProxy(ssrInfo.Get(), ssbInfo.Get(), sbrInfo.Get()),
                                                                                           TMailboxType::ReadAsFilled,
                                                                                           appData->SystemPoolId)));
     }
@@ -926,8 +926,8 @@ void TLocalServiceInitializer::InitializeServices(
         new TTabletSetupInfo(&CreateColumnShard, TMailboxType::ReadAsFilled, appData->UserPoolId, TMailboxType::ReadAsFilled, appData->SystemPoolId));
     localConfig->TabletClassInfo[appData->DefaultTabletTypes.SequenceShard] = TLocalConfig::TTabletClassInfo(
         new TTabletSetupInfo(&NSequenceShard::CreateSequenceShard, TMailboxType::ReadAsFilled, appData->UserPoolId, TMailboxType::ReadAsFilled, appData->SystemPoolId));
-    localConfig->TabletClassInfo[appData->DefaultTabletTypes.ReplicationController] = TLocalConfig::TTabletClassInfo( 
-        new TTabletSetupInfo(&NReplication::CreateController, TMailboxType::ReadAsFilled, appData->UserPoolId, TMailboxType::ReadAsFilled, appData->SystemPoolId)); 
+    localConfig->TabletClassInfo[appData->DefaultTabletTypes.ReplicationController] = TLocalConfig::TTabletClassInfo(
+        new TTabletSetupInfo(&NReplication::CreateController, TMailboxType::ReadAsFilled, appData->UserPoolId, TMailboxType::ReadAsFilled, appData->SystemPoolId));
 
     TTenantPoolConfig::TPtr tenantPoolConfig = new TTenantPoolConfig(Config.GetTenantPoolConfig(), localConfig);
     if (!tenantPoolConfig->IsEnabled
@@ -1878,10 +1878,10 @@ void TPersQueueLibSharedInstanceInitializer::InitializeServices(NActors::TActorS
 
 // TMemProfMonitorInitializer
 
-TMemProfMonitorInitializer::TMemProfMonitorInitializer(const TKikimrRunConfig& runConfig) 
-    : IKikimrServicesInitializer(runConfig) 
-{} 
- 
+TMemProfMonitorInitializer::TMemProfMonitorInitializer(const TKikimrRunConfig& runConfig)
+    : IKikimrServicesInitializer(runConfig)
+{}
+
 void TMemProfMonitorInitializer::InitializeServices(
         NActors::TActorSystemSetup* setup,
         const NKikimr::TAppData* appData)
@@ -1898,12 +1898,12 @@ void TMemProfMonitorInitializer::InitializeServices(
             appData->UserPoolId));
 }
 
-// TMemoryTrackerInitializer 
- 
-TMemoryTrackerInitializer::TMemoryTrackerInitializer(const TKikimrRunConfig& runConfig) 
-    : IKikimrServicesInitializer(runConfig) 
-{} 
- 
+// TMemoryTrackerInitializer
+
+TMemoryTrackerInitializer::TMemoryTrackerInitializer(const TKikimrRunConfig& runConfig)
+    : IKikimrServicesInitializer(runConfig)
+{}
+
 void TMemoryTrackerInitializer::InitializeServices(
     NActors::TActorSystemSetup* setup,
     const NKikimr::TAppData* appData)
@@ -2216,17 +2216,17 @@ void TMeteringWriterInitializer::InitializeServices(TActorSystemSetup *setup, co
         TActorSetupCmd(actor.Release(), TMailboxType::HTSwap, appData->IOPoolId)));
 }
 
-TSchemeBoardMonitoringInitializer::TSchemeBoardMonitoringInitializer(const TKikimrRunConfig &runConfig) 
-    : IKikimrServicesInitializer(runConfig) 
-{ 
-} 
- 
-void TSchemeBoardMonitoringInitializer::InitializeServices(TActorSystemSetup* setup, const TAppData* appData) { 
-    setup->LocalServices.push_back(std::pair<TActorId, TActorSetupCmd>( 
-        MakeSchemeBoardMonitoringId(), 
-        TActorSetupCmd(CreateSchemeBoardMonitoring(), TMailboxType::HTSwap, appData->UserPoolId))); 
-} 
- 
+TSchemeBoardMonitoringInitializer::TSchemeBoardMonitoringInitializer(const TKikimrRunConfig &runConfig)
+    : IKikimrServicesInitializer(runConfig)
+{
+}
+
+void TSchemeBoardMonitoringInitializer::InitializeServices(TActorSystemSetup* setup, const TAppData* appData) {
+    setup->LocalServices.push_back(std::pair<TActorId, TActorSetupCmd>(
+        MakeSchemeBoardMonitoringId(),
+        TActorSetupCmd(CreateSchemeBoardMonitoring(), TMailboxType::HTSwap, appData->UserPoolId)));
+}
+
 TYqlLogsInitializer::TYqlLogsInitializer(const TKikimrRunConfig& runConfig)
     : IKikimrServicesInitializer(runConfig)
 {
diff --git a/ydb/core/driver_lib/run/kikimr_services_initializers.h b/ydb/core/driver_lib/run/kikimr_services_initializers.h
index f0a6e5debd..407ce1bb7b 100644
--- a/ydb/core/driver_lib/run/kikimr_services_initializers.h
+++ b/ydb/core/driver_lib/run/kikimr_services_initializers.h
@@ -52,43 +52,43 @@ class TBasicServicesInitializer : public IKikimrServicesInitializer {
 public:
     TBasicServicesInitializer(const TKikimrRunConfig& runConfig);
 
-    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override; 
+    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override;
 };
 
 class TImmediateControlBoardInitializer : public IKikimrServicesInitializer {
 public:
     TImmediateControlBoardInitializer(const TKikimrRunConfig& runConfig);
 
-    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override; 
+    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override;
 };
 
 class TBSNodeWardenInitializer : public IKikimrServicesInitializer {
 public:
     TBSNodeWardenInitializer(const TKikimrRunConfig& runConfig);
 
-    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override; 
+    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override;
 };
 
-// ss: proxies, replicas; board: replicas; scheme_board: replicas 
+// ss: proxies, replicas; board: replicas; scheme_board: replicas
 class TStateStorageServiceInitializer : public IKikimrServicesInitializer {
 public:
     TStateStorageServiceInitializer(const TKikimrRunConfig& runConfig);
 
-    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override; 
+    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override;
 };
 
 class TLocalServiceInitializer : public IKikimrServicesInitializer {
 public:
     TLocalServiceInitializer(const TKikimrRunConfig& runConfig);
 
-    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override; 
+    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override;
 };
 
 class TSharedCacheInitializer : public IKikimrServicesInitializer {
 public:
-    TSharedCacheInitializer(const TKikimrRunConfig& runConfig); 
+    TSharedCacheInitializer(const TKikimrRunConfig& runConfig);
 
-    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override; 
+    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override;
 };
 
 class TBlobCacheInitializer : public IKikimrServicesInitializer {
@@ -108,35 +108,35 @@ public:
                        TIntrusivePtr<NActors::NLog::TSettings> logSettings,
                        std::shared_ptr<TLogBackend> logBackend);
 
-    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override; 
+    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override;
 };
 
 class TSchedulerActorInitializer : public IKikimrServicesInitializer {
 public:
     TSchedulerActorInitializer(const TKikimrRunConfig& runConfig);
 
-    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override; 
+    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override;
 };
 
 class TProfilerInitializer : public IKikimrServicesInitializer {
 public:
     TProfilerInitializer(const TKikimrRunConfig& runConfig);
 
-    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override; 
+    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override;
 };
 
 class TResourceBrokerInitializer : public IKikimrServicesInitializer {
 public:
     TResourceBrokerInitializer(const TKikimrRunConfig& runConfig);
 
-    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override; 
+    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override;
 };
 
-class TTabletResolverInitializer : public IKikimrServicesInitializer { 
+class TTabletResolverInitializer : public IKikimrServicesInitializer {
 public:
     TTabletResolverInitializer(const TKikimrRunConfig& runConfig);
 
-    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override; 
+    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override;
 };
 
 class TTabletPipePeNodeCachesInitializer : public IKikimrServicesInitializer {
@@ -146,25 +146,25 @@ public:
     void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override;
 };
 
-class TTabletMonitoringProxyInitializer : public IKikimrServicesInitializer { 
+class TTabletMonitoringProxyInitializer : public IKikimrServicesInitializer {
 public:
     TTabletMonitoringProxyInitializer(const TKikimrRunConfig& runConfig);
 
-    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override; 
+    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override;
 };
 
-class TTabletCountersAggregatorInitializer : public IKikimrServicesInitializer { 
+class TTabletCountersAggregatorInitializer : public IKikimrServicesInitializer {
 public:
     TTabletCountersAggregatorInitializer(const TKikimrRunConfig& runConfig);
 
-    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override; 
+    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override;
 };
 
-class TGRpcProxyStatusInitializer : public IKikimrServicesInitializer { 
+class TGRpcProxyStatusInitializer : public IKikimrServicesInitializer {
 public:
     TGRpcProxyStatusInitializer(const TKikimrRunConfig& runConfig);
 
-    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override; 
+    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override;
 };
 
 class TRestartsCountPublisher : public IKikimrServicesInitializer {
@@ -174,14 +174,14 @@ class TRestartsCountPublisher : public IKikimrServicesInitializer {
 public:
     TRestartsCountPublisher(const TKikimrRunConfig& runConfig);
 
-    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override; 
+    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override;
 };
 
-class TBootstrapperInitializer : public IKikimrServicesInitializer { 
+class TBootstrapperInitializer : public IKikimrServicesInitializer {
 public:
     TBootstrapperInitializer(const TKikimrRunConfig& runConfig);
 
-    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override; 
+    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override;
 };
 
 // alternative (RTMR-style) bootstrapper
@@ -192,23 +192,23 @@ public:
     TTabletsInitializer(const TKikimrRunConfig& runConfig,
                         TIntrusivePtr<ITabletFactory> customTablets);
 
-    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override; 
+    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override;
 };
 
-class TMediatorTimeCastProxyInitializer : public IKikimrServicesInitializer { 
+class TMediatorTimeCastProxyInitializer : public IKikimrServicesInitializer {
 public:
     TMediatorTimeCastProxyInitializer(const TKikimrRunConfig& runConfig);
 
-    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override; 
+    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override;
 };
 
-class TTxProxyInitializer : public IKikimrServicesInitializer { 
+class TTxProxyInitializer : public IKikimrServicesInitializer {
     TVector<ui64> CollectAllAllocatorsFromAllDomains(const NKikimr::TAppData* appData);
 
 public:
     TTxProxyInitializer(const TKikimrRunConfig& runConfig);
 
-    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override; 
+    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override;
 };
 
 class TLongTxServiceInitializer : public IKikimrServicesInitializer {
@@ -229,10 +229,10 @@ class TMiniKQLCompileServiceInitializer : public IKikimrServicesInitializer {
 public:
     TMiniKQLCompileServiceInitializer(const TKikimrRunConfig& runConfig);
 
-    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override; 
+    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override;
 };
 
-// msgbus: proxy, trace 
+// msgbus: proxy, trace
 class TMessageBusServicesInitializer : public IKikimrServicesInitializer {
     NMsgBusProxy::IMessageBusServer& BusServer;
 
@@ -240,7 +240,7 @@ public:
     TMessageBusServicesInitializer(const TKikimrRunConfig& runConfig,
                                    NMsgBusProxy::IMessageBusServer& busServer);
 
-    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override; 
+    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override;
 };
 
 // ticket_parser and so on...
@@ -249,7 +249,7 @@ public:
     std::shared_ptr<TModuleFactories> Factories;
     TSecurityServicesInitializer(const TKikimrRunConfig& runConfig, std::shared_ptr<TModuleFactories> factories);
 
-    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override; 
+    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override;
 };
 
 // grpc_proxy
@@ -260,7 +260,7 @@ private:
 public:
     TGRpcServicesInitializer(const TKikimrRunConfig& runConfig, std::shared_ptr<TModuleFactories> factories);
 
-    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override; 
+    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override;
 };
 
 #ifdef ACTORSLIB_COLLECT_EXEC_STATS
@@ -269,7 +269,7 @@ class TStatsCollectorInitializer : public IKikimrServicesInitializer {
 public:
     TStatsCollectorInitializer(const TKikimrRunConfig& runConfig);
 
-    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override; 
+    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override;
 };
 #endif
 
@@ -277,21 +277,21 @@ class TSelfPingInitializer : public IKikimrServicesInitializer {
 public:
     TSelfPingInitializer(const TKikimrRunConfig& runConfig);
 
-    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override; 
+    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override;
 };
 
 class TWhiteBoardServiceInitializer : public IKikimrServicesInitializer {
 public:
     TWhiteBoardServiceInitializer(const TKikimrRunConfig& runConfig);
 
-    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override; 
+    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override;
 };
 
 class TNodeIdentifierInitializer : public IKikimrServicesInitializer {
 public:
     TNodeIdentifierInitializer(const TKikimrRunConfig& runConfig);
 
-    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override; 
+    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override;
 };
 
 class TTabletMonitorInitializer : public IKikimrServicesInitializer {
@@ -303,7 +303,7 @@ public:
                               const TIntrusivePtr<NNodeTabletMonitor::ITabletStateClassifier>& tabletStateClassifier,
                               const TIntrusivePtr<NNodeTabletMonitor::ITabletListRenderer>& tabletListRenderer);
 
-    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override; 
+    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override;
 };
 
 class TViewerInitializer : public IKikimrServicesInitializer {
@@ -312,69 +312,69 @@ class TViewerInitializer : public IKikimrServicesInitializer {
 public:
     TViewerInitializer(const TKikimrRunConfig& runConfig);
 
-    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override; 
+    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override;
 };
 
 class TLoadInitializer : public IKikimrServicesInitializer {
 public:
     TLoadInitializer(const TKikimrRunConfig& runConfig);
- 
-    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override; 
+
+    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override;
 };
 
 class TFailureInjectionInitializer : public IKikimrServicesInitializer {
 public:
     TFailureInjectionInitializer(const TKikimrRunConfig& runConfig);
- 
-    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override; 
+
+    void InitializeServices(NActors::TActorSystemSetup *setup, const NKikimr::TAppData *appData) override;
 };
 
 class TPersQueueL2CacheInitializer : public IKikimrServicesInitializer {
 public:
     TPersQueueL2CacheInitializer(const TKikimrRunConfig& runConfig);
- 
-    void InitializeServices(NActors::TActorSystemSetup* setup, const NKikimr::TAppData* appData) override; 
+
+    void InitializeServices(NActors::TActorSystemSetup* setup, const NKikimr::TAppData* appData) override;
 };
 
 class TNetClassifierInitializer : public IKikimrServicesInitializer {
 public:
     TNetClassifierInitializer(const TKikimrRunConfig& runConfig);
- 
-    void InitializeServices(NActors::TActorSystemSetup* setup, const NKikimr::TAppData* appData) override; 
+
+    void InitializeServices(NActors::TActorSystemSetup* setup, const NKikimr::TAppData* appData) override;
 };
 
 class TPersQueueClusterTrackerInitializer : public IKikimrServicesInitializer {
 public:
     TPersQueueClusterTrackerInitializer(const TKikimrRunConfig& runConfig);
- 
-    void InitializeServices(NActors::TActorSystemSetup* setup, const NKikimr::TAppData* appData) override; 
+
+    void InitializeServices(NActors::TActorSystemSetup* setup, const NKikimr::TAppData* appData) override;
 };
 
 class TPersQueueLibSharedInstanceInitializer : public IKikimrServicesInitializer {
 public:
     TPersQueueLibSharedInstanceInitializer(const TKikimrRunConfig& runConfig);
- 
-    void InitializeServices(NActors::TActorSystemSetup* setup, const NKikimr::TAppData* appData) override; 
+
+    void InitializeServices(NActors::TActorSystemSetup* setup, const NKikimr::TAppData* appData) override;
 };
 
 class TMemProfMonitorInitializer : public IKikimrServicesInitializer {
 public:
-    TMemProfMonitorInitializer(const TKikimrRunConfig& runConfig); 
+    TMemProfMonitorInitializer(const TKikimrRunConfig& runConfig);
 
-    void InitializeServices(NActors::TActorSystemSetup* setup, const NKikimr::TAppData* appData) override; 
+    void InitializeServices(NActors::TActorSystemSetup* setup, const NKikimr::TAppData* appData) override;
 };
 
 class TMemoryTrackerInitializer : public IKikimrServicesInitializer {
 public:
-    TMemoryTrackerInitializer(const TKikimrRunConfig& runConfig); 
+    TMemoryTrackerInitializer(const TKikimrRunConfig& runConfig);
 
-    void InitializeServices(NActors::TActorSystemSetup* setup, const NKikimr::TAppData* appData) override; 
+    void InitializeServices(NActors::TActorSystemSetup* setup, const NKikimr::TAppData* appData) override;
 };
 
 class TQuoterServiceInitializer : public IKikimrServicesInitializer {
 public:
     TQuoterServiceInitializer(const TKikimrRunConfig& runConfig);
- 
+
     void InitializeServices(NActors::TActorSystemSetup* setup, const NKikimr::TAppData* appData) override;
 };
 
@@ -382,33 +382,33 @@ class TKqpServiceInitializer : public IKikimrServicesInitializer {
 public:
     TKqpServiceInitializer(const TKikimrRunConfig& runConfig, std::shared_ptr<TModuleFactories> factories);
 
-    void InitializeServices(NActors::TActorSystemSetup* setup, const NKikimr::TAppData* appData) override; 
+    void InitializeServices(NActors::TActorSystemSetup* setup, const NKikimr::TAppData* appData) override;
 private:
     std::shared_ptr<TModuleFactories> Factories;
 };
 
-class TMemoryLogInitializer : public IKikimrServicesInitializer { 
-    size_t LogBufferSize = 0; 
-    size_t LogGrainSize = 0; 
- 
+class TMemoryLogInitializer : public IKikimrServicesInitializer {
+    size_t LogBufferSize = 0;
+    size_t LogGrainSize = 0;
+
 public:
     TMemoryLogInitializer(const TKikimrRunConfig& runConfig);
 
-    void InitializeServices(NActors::TActorSystemSetup* setup, const NKikimr::TAppData* appData) override; 
+    void InitializeServices(NActors::TActorSystemSetup* setup, const NKikimr::TAppData* appData) override;
 };
 
 class TCmsServiceInitializer : public IKikimrServicesInitializer {
 public:
     TCmsServiceInitializer(const TKikimrRunConfig& runConfig);
 
-    void InitializeServices(NActors::TActorSystemSetup* setup, const NKikimr::TAppData* appData) override; 
+    void InitializeServices(NActors::TActorSystemSetup* setup, const NKikimr::TAppData* appData) override;
 };
 
 class TLeaseHolderInitializer : public IKikimrServicesInitializer {
 public:
     TLeaseHolderInitializer(const TKikimrRunConfig& runConfig);
 
-    void InitializeServices(NActors::TActorSystemSetup* setup, const NKikimr::TAppData* appData) override; 
+    void InitializeServices(NActors::TActorSystemSetup* setup, const NKikimr::TAppData* appData) override;
 };
 
 class TSqsServiceInitializer : public IKikimrServicesInitializer {
@@ -465,13 +465,13 @@ public:
     void InitializeServices(NActors::TActorSystemSetup* setup, const NKikimr::TAppData* appData) override;
 };
 
-class TSchemeBoardMonitoringInitializer : public IKikimrServicesInitializer { 
-public: 
-    TSchemeBoardMonitoringInitializer(const TKikimrRunConfig& runConfig); 
- 
-    void InitializeServices(NActors::TActorSystemSetup* setup, const NKikimr::TAppData* appData) override; 
-}; 
- 
+class TSchemeBoardMonitoringInitializer : public IKikimrServicesInitializer {
+public:
+    TSchemeBoardMonitoringInitializer(const TKikimrRunConfig& runConfig);
+
+    void InitializeServices(NActors::TActorSystemSetup* setup, const NKikimr::TAppData* appData) override;
+};
+
 class TYqlLogsInitializer : public IKikimrServicesInitializer {
 public:
     TYqlLogsInitializer(const TKikimrRunConfig& runConfig);
diff --git a/ydb/core/driver_lib/run/run.cpp b/ydb/core/driver_lib/run/run.cpp
index be8ee31f7f..a4f74aa4e0 100644
--- a/ydb/core/driver_lib/run/run.cpp
+++ b/ydb/core/driver_lib/run/run.cpp
@@ -503,8 +503,8 @@ void TKikimrRunner::InitializeGRpc(const TKikimrRunConfig& runConfig) {
         names["discovery"] = &hasDiscovery;
         bool hasTableService = services.empty();
         names["table_service"] = &hasTableService;
-        bool hasSchemeService = false; 
-        bool hasOperationService = false; 
+        bool hasSchemeService = false;
+        bool hasOperationService = false;
         bool hasYql = false;
         names["yql"] = &hasYql;
         bool hasYqlInternal = services.empty();
@@ -525,9 +525,9 @@ void TKikimrRunner::InitializeGRpc(const TKikimrRunConfig& runConfig) {
         names["rate_limiter"] = &hasRateLimiter;
         bool hasLongTx = false;
         names["long_tx"] = &hasLongTx;
-        bool hasExport = services.empty(); 
+        bool hasExport = services.empty();
         names["export"] = &hasExport;
-        bool hasImport = services.empty(); 
+        bool hasImport = services.empty();
         names["import"] = &hasImport;
         bool hasAnalytics = false;
         names["analytics"] = &hasAnalytics;
@@ -571,28 +571,28 @@ void TKikimrRunner::InitializeGRpc(const TKikimrRunConfig& runConfig) {
             }
         }
 
-        // dependencies 
-        if (hasRateLimiter) { 
-            hasKesus = true; 
-        } 
- 
+        // dependencies
+        if (hasRateLimiter) {
+            hasKesus = true;
+        }
+
         if (hasYql) {
             hasTableService = true;
             hasYqlInternal = true;
         }
 
-        if (hasTableService || hasYqlInternal || hasPQ || hasKesus || hasPQv1 || hasExport || hasImport) { 
-            hasSchemeService = true; 
-            hasOperationService = true; 
-            // backward compatability 
-            hasExport = true; 
-        } 
- 
-        if (hasExport || hasImport) { 
-            hasExport = true; 
-            hasImport = true; 
-        } 
- 
+        if (hasTableService || hasYqlInternal || hasPQ || hasKesus || hasPQv1 || hasExport || hasImport) {
+            hasSchemeService = true;
+            hasOperationService = true;
+            // backward compatability
+            hasExport = true;
+        }
+
+        if (hasExport || hasImport) {
+            hasExport = true;
+            hasImport = true;
+        }
+
         for (const auto& [name, isEnabled] : names) {
             if (*isEnabled) {
                 enabled.insert(name);
@@ -653,20 +653,20 @@ void TKikimrRunner::InitializeGRpc(const TKikimrRunConfig& runConfig) {
             server.AddService(new NGRpcService::TGRpcYdbLongTxService(ActorSystem.Get(), Counters, grpcRequestProxyId));
         }
 
-        if (hasSchemeService) { 
+        if (hasSchemeService) {
             server.AddService(new NGRpcService::TGRpcYdbSchemeService(ActorSystem.Get(), Counters, grpcRequestProxyId));
-        } 
- 
-        if (hasOperationService) { 
-            server.AddService(new NGRpcService::TGRpcOperationService(ActorSystem.Get(), Counters, grpcRequestProxyId)); 
-        } 
- 
-        if (hasExport) { 
-            server.AddService(new NGRpcService::TGRpcYdbExportService(ActorSystem.Get(), Counters, grpcRequestProxyId)); 
-        } 
- 
-        if (hasImport) { 
-            server.AddService(new NGRpcService::TGRpcYdbImportService(ActorSystem.Get(), Counters, grpcRequestProxyId)); 
+        }
+
+        if (hasOperationService) {
+            server.AddService(new NGRpcService::TGRpcOperationService(ActorSystem.Get(), Counters, grpcRequestProxyId));
+        }
+
+        if (hasExport) {
+            server.AddService(new NGRpcService::TGRpcYdbExportService(ActorSystem.Get(), Counters, grpcRequestProxyId));
+        }
+
+        if (hasImport) {
+            server.AddService(new NGRpcService::TGRpcYdbImportService(ActorSystem.Get(), Counters, grpcRequestProxyId));
         }
 
         if (hasKesus) {
@@ -910,10 +910,10 @@ void TKikimrRunner::InitializeAppData(const TKikimrRunConfig& runConfig)
         AppData->DataShardConfig = runConfig.AppConfig.GetDataShardConfig();
     }
 
-    if (runConfig.AppConfig.HasMeteringConfig()) { 
-        AppData->MeteringConfig = runConfig.AppConfig.GetMeteringConfig(); 
-    } 
- 
+    if (runConfig.AppConfig.HasMeteringConfig()) {
+        AppData->MeteringConfig = runConfig.AppConfig.GetMeteringConfig();
+    }
+
     // setup resource profiles
     AppData->ResourceProfiles = new TResourceProfiles;
     if (runConfig.AppConfig.GetBootstrapConfig().ResourceProfilesSize())
@@ -1114,11 +1114,11 @@ void TKikimrRunner::InitializeActorSystem(
         }
     }
 
-    if (runConfig.AppConfig.HasGRpcConfig()) { 
-        if (const ui32 grpcPort = runConfig.AppConfig.GetGRpcConfig().GetPort()) { 
+    if (runConfig.AppConfig.HasGRpcConfig()) {
+        if (const ui32 grpcPort = runConfig.AppConfig.GetGRpcConfig().GetPort()) {
             auto driverConfig = NYdb::TDriverConfig().SetEndpoint(TStringBuilder() << "localhost:" << grpcPort);
-            YdbDriver.Reset(new NYdb::TDriver(driverConfig)); 
-            AppData->YdbDriver = YdbDriver.Get(); 
+            YdbDriver.Reset(new NYdb::TDriver(driverConfig));
+            AppData->YdbDriver = YdbDriver.Get();
         }
     }
 
@@ -1153,9 +1153,9 @@ TIntrusivePtr<TServiceInitializersList> TKikimrRunner::CreateServiceInitializers
     if (serviceMask.EnableBSNodeWarden) {
         sil->AddServiceInitializer(new TBSNodeWardenInitializer(runConfig));
     }
-    if (serviceMask.EnableSchemeBoardMonitoring) { 
-        sil->AddServiceInitializer(new TSchemeBoardMonitoringInitializer(runConfig)); 
-    } 
+    if (serviceMask.EnableSchemeBoardMonitoring) {
+        sil->AddServiceInitializer(new TSchemeBoardMonitoringInitializer(runConfig));
+    }
     if (serviceMask.EnableStateStorageService) {
         sil->AddServiceInitializer(new TStateStorageServiceInitializer(runConfig));
     }
@@ -1437,8 +1437,8 @@ void TKikimrRunner::KikimrStop(bool graceful) {
         SqsHttp->Shutdown();
     }
 
-    if (YdbDriver) { 
-        YdbDriver->Stop(true); 
+    if (YdbDriver) {
+        YdbDriver->Stop(true);
     }
 
     if (Monitoring) {
diff --git a/ydb/core/driver_lib/run/run.h b/ydb/core/driver_lib/run/run.h
index 0c9c8b92f9..dfd93a24e7 100644
--- a/ydb/core/driver_lib/run/run.h
+++ b/ydb/core/driver_lib/run/run.h
@@ -43,7 +43,7 @@ protected:
     bool GracefulShutdownSupported = false;
     THolder<NSQS::TAsyncHttpServer> SqsHttp;
 
-    THolder<NYdb::TDriver> YdbDriver; 
+    THolder<NYdb::TDriver> YdbDriver;
 
     THolder<NKqp::TKqpShutdownController> KqpShutdownController;
 
diff --git a/ydb/core/driver_lib/run/ya.make b/ydb/core/driver_lib/run/ya.make
index ca55367731..f410ef42f2 100644
--- a/ydb/core/driver_lib/run/ya.make
+++ b/ydb/core/driver_lib/run/ya.make
@@ -115,7 +115,7 @@ PEERDIR(
     ydb/core/tx/long_tx_service
     ydb/core/tx/long_tx_service/public
     ydb/core/tx/mediator
-    ydb/core/tx/replication/controller 
+    ydb/core/tx/replication/controller
     ydb/core/tx/scheme_board
     ydb/core/tx/schemeshard
     ydb/core/tx/sequenceproxy
diff --git a/ydb/core/engine/minikql/change_collector_iface.h b/ydb/core/engine/minikql/change_collector_iface.h
index c71b330953..fe6019b300 100644
--- a/ydb/core/engine/minikql/change_collector_iface.h
+++ b/ydb/core/engine/minikql/change_collector_iface.h
@@ -1,36 +1,36 @@
-#pragma once 
- 
+#pragma once
+
 #include <ydb/core/scheme/scheme_tabledefs.h>
 #include <ydb/core/tablet_flat/flat_database.h>
- 
-namespace NKikimr { 
-namespace NMiniKQL { 
- 
-class IChangeCollector { 
-public: 
-    // basic change record's info 
-    struct TChange: public std::tuple<ui64, TPathId, ui64> { 
-        using std::tuple<ui64, TPathId, ui64>::tuple; 
- 
-        ui64 Order() const { return std::get<0>(*this); } 
-        const TPathId& PathId() const { return std::get<1>(*this); } 
-        ui64 BodySize() const { return std::get<2>(*this); } 
-    }; 
- 
-public: 
-    virtual ~IChangeCollector() = default; 
- 
-    virtual bool NeedToReadKeys() const = 0; 
-    virtual void SetReadVersion(const TRowVersion& readVersion) = 0; 
-    virtual void SetWriteVersion(const TRowVersion& writeVersion) = 0; 
- 
+
+namespace NKikimr {
+namespace NMiniKQL {
+
+class IChangeCollector {
+public:
+    // basic change record's info
+    struct TChange: public std::tuple<ui64, TPathId, ui64> {
+        using std::tuple<ui64, TPathId, ui64>::tuple;
+
+        ui64 Order() const { return std::get<0>(*this); }
+        const TPathId& PathId() const { return std::get<1>(*this); }
+        ui64 BodySize() const { return std::get<2>(*this); }
+    };
+
+public:
+    virtual ~IChangeCollector() = default;
+
+    virtual bool NeedToReadKeys() const = 0;
+    virtual void SetReadVersion(const TRowVersion& readVersion) = 0;
+    virtual void SetWriteVersion(const TRowVersion& writeVersion) = 0;
+
     virtual bool Collect(const TTableId& tableId, NTable::ERowOp rop,
-        TArrayRef<const TRawTypeValue> key, TArrayRef<const NTable::TUpdateOp> updates) = 0; 
- 
-    virtual const TVector<TChange>& GetCollected() const = 0; 
-    virtual TVector<TChange>&& GetCollected() = 0; 
-    virtual void Reset() = 0; 
-}; 
- 
-} // NMiniKQL 
-} // NKikimr 
+        TArrayRef<const TRawTypeValue> key, TArrayRef<const NTable::TUpdateOp> updates) = 0;
+
+    virtual const TVector<TChange>& GetCollected() const = 0;
+    virtual TVector<TChange>&& GetCollected() = 0;
+    virtual void Reset() = 0;
+};
+
+} // NMiniKQL
+} // NKikimr
diff --git a/ydb/core/engine/minikql/flat_local_minikql_host.h b/ydb/core/engine/minikql/flat_local_minikql_host.h
index 88c31a0879..edfd182286 100644
--- a/ydb/core/engine/minikql/flat_local_minikql_host.h
+++ b/ydb/core/engine/minikql/flat_local_minikql_host.h
@@ -34,11 +34,11 @@ private:
         return Factory->GetReadVersion(tableId);
     }
 
-    IChangeCollector* GetChangeCollector(const TTableId& tableId) const override 
-    { 
-        return Factory->GetChangeCollector(tableId); 
-    } 
- 
+    IChangeCollector* GetChangeCollector(const TTableId& tableId) const override
+    {
+        return Factory->GetChangeCollector(tableId);
+    }
+
 private:
     const TMiniKQLFactory* const Factory;
 };
diff --git a/ydb/core/engine/minikql/flat_local_tx_factory.cpp b/ydb/core/engine/minikql/flat_local_tx_factory.cpp
index af5823b31d..d23f4d8bc7 100644
--- a/ydb/core/engine/minikql/flat_local_tx_factory.cpp
+++ b/ydb/core/engine/minikql/flat_local_tx_factory.cpp
@@ -39,11 +39,11 @@ TRowVersion TMiniKQLFactory::GetReadVersion(const TTableId& tableId) const
     return TRowVersion::Max();
 }
 
-IChangeCollector* TMiniKQLFactory::GetChangeCollector(const TTableId& tableId) const 
-{ 
-    Y_UNUSED(tableId); 
-    return nullptr; 
+IChangeCollector* TMiniKQLFactory::GetChangeCollector(const TTableId& tableId) const
+{
+    Y_UNUSED(tableId);
+    return nullptr;
+}
+
 }
- 
 }
-} 
diff --git a/ydb/core/engine/minikql/flat_local_tx_factory.h b/ydb/core/engine/minikql/flat_local_tx_factory.h
index 4a991ceb0c..200d21b369 100644
--- a/ydb/core/engine/minikql/flat_local_tx_factory.h
+++ b/ydb/core/engine/minikql/flat_local_tx_factory.h
@@ -1,7 +1,7 @@
 #pragma once
 
-#include "change_collector_iface.h" 
- 
+#include "change_collector_iface.h"
+
 #include <ydb/core/scheme/scheme_tabledefs.h>
 #include <ydb/core/tablet_flat/tablet_flat_executed.h>
 
@@ -17,7 +17,7 @@ namespace NMiniKQL {
 
         virtual TRowVersion GetWriteVersion(const TTableId& tableId) const;
         virtual TRowVersion GetReadVersion(const TTableId& tableId) const;
-        virtual IChangeCollector* GetChangeCollector(const TTableId& tableId) const; 
+        virtual IChangeCollector* GetChangeCollector(const TTableId& tableId) const;
     };
 
 }
diff --git a/ydb/core/engine/minikql/minikql_engine_host.cpp b/ydb/core/engine/minikql/minikql_engine_host.cpp
index 8d32f44545..36c35f32cc 100644
--- a/ydb/core/engine/minikql/minikql_engine_host.cpp
+++ b/ydb/core/engine/minikql/minikql_engine_host.cpp
@@ -205,29 +205,29 @@ void TEngineHost::PinPages(const TVector<THolder<TKeyDesc>>& keys, ui64 pageFaul
         const TKeyDesc& key = *ki;
         if (TSysTables::IsSystemTable(key.TableId))
             continue;
- 
-        TSet<TKeyDesc::EColumnOperation> columnOpFilter; 
-        switch (key.RowOperation) { 
-            case TKeyDesc::ERowOperation::Read: 
-                columnOpFilter.insert(TKeyDesc::EColumnOperation::Read); 
-                break; 
-            case TKeyDesc::ERowOperation::Update: 
-            case TKeyDesc::ERowOperation::Erase: { 
-                const auto collector = GetChangeCollector(key.TableId); 
-                if (collector && collector->NeedToReadKeys()) { 
-                    columnOpFilter.insert(TKeyDesc::EColumnOperation::Set); 
-                    columnOpFilter.insert(TKeyDesc::EColumnOperation::InplaceUpdate); 
-                } 
-                break; 
-            } 
-            default: 
-                break; 
-        } 
- 
-        if (columnOpFilter.empty()) { 
+
+        TSet<TKeyDesc::EColumnOperation> columnOpFilter;
+        switch (key.RowOperation) {
+            case TKeyDesc::ERowOperation::Read:
+                columnOpFilter.insert(TKeyDesc::EColumnOperation::Read);
+                break;
+            case TKeyDesc::ERowOperation::Update:
+            case TKeyDesc::ERowOperation::Erase: {
+                const auto collector = GetChangeCollector(key.TableId);
+                if (collector && collector->NeedToReadKeys()) {
+                    columnOpFilter.insert(TKeyDesc::EColumnOperation::Set);
+                    columnOpFilter.insert(TKeyDesc::EColumnOperation::InplaceUpdate);
+                }
+                break;
+            }
+            default:
+                break;
+        }
+
+        if (columnOpFilter.empty()) {
             continue;
-        } 
- 
+        }
+
         ui64 localTid = LocalTableId(key.TableId);
         Y_VERIFY(localTid, "table not exist");
         const TScheme::TTableInfo* tableInfo = Scheme.GetTableInfo(localTid);
@@ -238,7 +238,7 @@ void TEngineHost::PinPages(const TVector<THolder<TKeyDesc>>& keys, ui64 pageFaul
 
         TSmallVec<NTable::TTag> tags;
         for (const auto& column : key.Columns) {
-            if (columnOpFilter.contains(column.Operation)) { 
+            if (columnOpFilter.contains(column.Operation)) {
                 tags.push_back(column.Column);
             }
         }
@@ -301,16 +301,16 @@ NUdf::TUnboxedValue TEngineHost::SelectRow(const TTableId& tableId, const TArray
 
     Counters.InvisibleRowSkips += stats.Invisible;
 
-    if (NTable::EReady::Page == ready) { 
-        if (auto collector = GetChangeCollector(tableId)) { 
-            collector->Reset(); 
-        } 
+    if (NTable::EReady::Page == ready) {
+        if (auto collector = GetChangeCollector(tableId)) {
+            collector->Reset();
+        }
         throw TNotReadyTabletException();
-    } 
- 
-    if (NTable::EReady::Gone == ready) { 
+    }
+
+    if (NTable::EReady::Gone == ready) {
         return NUdf::TUnboxedValue();
-    } 
+    }
 
     NUdf::TUnboxedValue* rowItems = nullptr;
     auto rowResult = holderFactory.CreateDirectArrayHolder(tags.size(), rowItems);
@@ -571,12 +571,12 @@ public:
             List.EngineHost.GetCounters().SelectRangeDeletedRowSkips += std::exchange(Iter->Stats.DeletedRowSkips, 0);
             List.EngineHost.GetCounters().InvisibleRowSkips += std::exchange(Iter->Stats.InvisibleRowSkips, 0);
 
-            if (Iter->Last() ==  NTable::EReady::Page) { 
-                if (auto collector = List.EngineHost.GetChangeCollector(List.TableId)) { 
-                    collector->Reset(); 
-                } 
+            if (Iter->Last() ==  NTable::EReady::Page) {
+                if (auto collector = List.EngineHost.GetChangeCollector(List.TableId)) {
+                    collector->Reset();
+                }
                 throw TNotReadyTabletException();
-            } 
+            }
 
             if (List.Truncated || List.SizeBytes) {
                 Y_VERIFY_DEBUG(List.Truncated && *List.Truncated == truncated);
@@ -869,18 +869,18 @@ void TEngineHost::UpdateRow(const TTableId& tableId, const TArrayRef<const TCell
         valueBytes += upd.Value.IsNull() ? 1 : upd.Value.Size();
     }
 
-    if (auto collector = GetChangeCollector(tableId)) { 
-        collector->SetWriteVersion(GetWriteVersion(tableId)); 
-        if (collector->NeedToReadKeys()) { 
-            collector->SetReadVersion(GetReadVersion(tableId)); 
-        } 
- 
+    if (auto collector = GetChangeCollector(tableId)) {
+        collector->SetWriteVersion(GetWriteVersion(tableId));
+        if (collector->NeedToReadKeys()) {
+            collector->SetReadVersion(GetReadVersion(tableId));
+        }
+
         if (!collector->Collect(tableId, NTable::ERowOp::Upsert, key, ops)) {
-            collector->Reset(); 
-            throw TNotReadyTabletException(); 
-        } 
-    } 
- 
+            collector->Reset();
+            throw TNotReadyTabletException();
+        }
+    }
+
     Db.Update(localTid, NTable::ERowOp::Upsert, key, ops, GetWriteVersion(tableId));
 
     Settings.KeyAccessSampler->AddSample(tableId, row);
@@ -897,18 +897,18 @@ void TEngineHost::EraseRow(const TTableId& tableId, const TArrayRef<const TCell>
     ui64 keyBytes = 0;
     ConvertTableKeys(Scheme, tableInfo, row, key, &keyBytes);
 
-    if (auto collector = GetChangeCollector(tableId)) { 
-        collector->SetWriteVersion(GetWriteVersion(tableId)); 
-        if (collector->NeedToReadKeys()) { 
-            collector->SetReadVersion(GetReadVersion(tableId)); 
-        } 
- 
+    if (auto collector = GetChangeCollector(tableId)) {
+        collector->SetWriteVersion(GetWriteVersion(tableId));
+        if (collector->NeedToReadKeys()) {
+            collector->SetReadVersion(GetReadVersion(tableId));
+        }
+
         if (!collector->Collect(tableId, NTable::ERowOp::Erase, key, {})) {
-            collector->Reset(); 
-            throw TNotReadyTabletException(); 
-        } 
-    } 
- 
+            collector->Reset();
+            throw TNotReadyTabletException();
+        }
+    }
+
     Db.Update(localTid, NTable::ERowOp::Erase, key, { }, GetWriteVersion(tableId));
 
     Settings.KeyAccessSampler->AddSample(tableId, row);
diff --git a/ydb/core/engine/minikql/minikql_engine_host.h b/ydb/core/engine/minikql/minikql_engine_host.h
index 5748e7f1f9..012ee6891b 100644
--- a/ydb/core/engine/minikql/minikql_engine_host.h
+++ b/ydb/core/engine/minikql/minikql_engine_host.h
@@ -1,7 +1,7 @@
 #pragma once
 
-#include "change_collector_iface.h" 
- 
+#include "change_collector_iface.h"
+
 #include <util/generic/cast.h>
 #include <ydb/core/tablet/tablet_exception.h>
 #include <ydb/library/yql/minikql/mkql_function_registry.h>
@@ -127,8 +127,8 @@ public:
     virtual TRowVersion GetWriteVersion(const TTableId& tableId) const = 0;
     virtual TRowVersion GetReadVersion(const TTableId& tableId) const = 0;
 
-    virtual IChangeCollector* GetChangeCollector(const TTableId& tableId) const = 0; 
- 
+    virtual IChangeCollector* GetChangeCollector(const TTableId& tableId) const = 0;
+
 protected:
     virtual ui64 LocalTableId(const TTableId& tableId) const;
     void ConvertKeys(const TScheme::TTableInfo* tableInfo, const TArrayRef<const TCell>& row,
@@ -156,11 +156,11 @@ public:
         Y_UNUSED(tableId);
         return TRowVersion::Max();
     }
- 
-    IChangeCollector* GetChangeCollector(const TTableId& tableId) const override { 
-        Y_UNUSED(tableId); 
-        return nullptr; 
-    } 
+
+    IChangeCollector* GetChangeCollector(const TTableId& tableId) const override {
+        Y_UNUSED(tableId);
+        return nullptr;
+    }
 };
 
 void AnalyzeRowType(TStructLiteral* columnIds, TSmallVec<NTable::TTag>& tags, TSmallVec<NTable::TTag>& systemColumnTags);
diff --git a/ydb/core/engine/mkql_engine_flat.cpp b/ydb/core/engine/mkql_engine_flat.cpp
index 6e13b831e9..c7fe388eef 100644
--- a/ydb/core/engine/mkql_engine_flat.cpp
+++ b/ydb/core/engine/mkql_engine_flat.cpp
@@ -1069,14 +1069,14 @@ public:
             const auto& myKeysStruct = static_cast<const TStructLiteral&>(*myKeys.GetNode());
             MKQL_ENSURE(myKeysStruct.GetValuesCount() == 2, "Expected 2 members");
 
-            // 0 - reads, 1 - writes 
-            for (ui32 opId = 0; opId <= 1; ++opId) { 
-                auto myOps = myKeysStruct.GetValue(opId); 
-                MKQL_ENSURE(myOps.IsImmediate() && myOps.GetNode()->GetType()->IsStruct(), "Expected immediate struct"); 
- 
-                auto myOpsStruct = static_cast<TStructLiteral*>(myOps.GetNode()); 
-                for (ui32 i = 0, e = myOpsStruct->GetValuesCount(); i < e; ++i) { 
-                    TRuntimeNode item = myOpsStruct->GetValue(i); 
+            // 0 - reads, 1 - writes
+            for (ui32 opId = 0; opId <= 1; ++opId) {
+                auto myOps = myKeysStruct.GetValue(opId);
+                MKQL_ENSURE(myOps.IsImmediate() && myOps.GetNode()->GetType()->IsStruct(), "Expected immediate struct");
+
+                auto myOpsStruct = static_cast<TStructLiteral*>(myOps.GetNode());
+                for (ui32 i = 0, e = myOpsStruct->GetValuesCount(); i < e; ++i) {
+                    TRuntimeNode item = myOpsStruct->GetValue(i);
                     Y_VERIFY(item.GetNode()->GetType()->IsCallable(), "Bad shard program");
                     THolder<TKeyDesc> desc = ExtractTableKey(*static_cast<TCallable*>(item.GetNode()), Strings, Env);
                     Y_VERIFY(desc);
diff --git a/ydb/core/grpc_services/base/base.h b/ydb/core/grpc_services/base/base.h
index f3e2622bb5..44b25c4a5f 100644
--- a/ydb/core/grpc_services/base/base.h
+++ b/ydb/core/grpc_services/base/base.h
@@ -2,7 +2,7 @@
 
 #include <grpc++/support/byte_buffer.h>
 #include <grpc++/support/slice.h>
- 
+
 #include <library/cpp/grpc/server/grpc_request_base.h>
 #include <library/cpp/string_utils/quote/quote.h>
 
@@ -44,7 +44,7 @@ namespace NGRpcService {
 
 using TYdbIssueMessageType = Ydb::Issue::IssueMessage;
 
-std::pair<TString, TString> SplitPath(const TMaybe<TString>& database, const TString& path); 
+std::pair<TString, TString> SplitPath(const TMaybe<TString>& database, const TString& path);
 std::pair<TString, TString> SplitPath(const TString& path);
 void RefreshToken(const TString& token, const TString& database, const TActorContext& ctx, TActorId id);
 
@@ -57,7 +57,7 @@ struct TRpcServices {
         EvDropTable,
         EvCopyTable,
         EvCopyTables,
-        EvListDirectory, 
+        EvListDirectory,
         EvRenameTables,
         EvDescribeTable,
         EvDescribePath,
@@ -101,9 +101,9 @@ struct TRpcServices {
         EvExperimentalStreamQuery,
         EvStreamPQWrite,
         EvStreamPQRead,
-        EvPQReadInfo, 
-        EvListOperations, 
-        EvExportToYt, 
+        EvPQReadInfo,
+        EvListOperations,
+        EvExportToYt,
         EvDiscoverPQClusters,
         EvBulkUpsert,
         EvWhoAmI,
@@ -117,7 +117,7 @@ struct TRpcServices {
         EvKikhouseCreateSnapshot,
         EvKikhouseRefreshSnapshot,
         EvKikhouseDiscardSnapshot,
-        EvExportToS3, 
+        EvExportToS3,
         EvSelfCheck,
         EvStreamExecuteScanQuery,
         EvPQDropTopic,
@@ -126,17 +126,17 @@ struct TRpcServices {
         EvPQDescribeTopic,
         EvPQAddReadRule,
         EvPQRemoveReadRule,
-        EvGetDiskSpaceUsage, 
+        EvGetDiskSpaceUsage,
         EvStopServingDatabase,
         EvCoordinationSession,
-        EvImportFromS3, 
+        EvImportFromS3,
         EvLongTxBegin,
         EvLongTxCommit,
         EvLongTxRollback,
         EvLongTxWrite,
         EvLongTxRead,
         EvExplainYqlScript,
-        EvImportData, 
+        EvImportData,
         EvAnalyticsReserved,
         EvDataStreamsCreateStream,
         EvDataStreamsDeleteStream,
@@ -328,8 +328,8 @@ public:
     virtual const NGrpc::TAuthState& GetAuthState() const = 0;
     virtual void ReplyUnauthenticated(const TString& msg = "") = 0;
     virtual void ReplyUnavaliable() = 0;
- 
-    virtual bool Validate(TString& error) = 0; 
+
+    virtual bool Validate(TString& error) = 0;
     virtual void UseDatabase(const TString& database) = 0;
 
     // This method allows to set hook for unary call.
@@ -475,10 +475,10 @@ public:
         IssueManager_.RaiseIssues(issues);
     }
 
-    bool Validate(TString&) override { 
-        return true; 
-    } 
- 
+    bool Validate(TString&) override {
+        return true;
+    }
+
     void UseDatabase(const TString& database) override {
         Y_UNUSED(database);
     }
@@ -634,10 +634,10 @@ public:
         return Ctx_->GetPeerName();
     }
 
-    bool Validate(TString&) override { 
-        return true; 
-    } 
- 
+    bool Validate(TString&) override {
+        return true;
+    }
+
     void UseDatabase(const TString& database) override {
         Ctx_->UseDatabase(database);
     }
@@ -786,7 +786,7 @@ public:
 };
 
 template<ui32 TRpcId, typename TReq, typename TResp, bool IsOperation, typename TDerived>
-class TGRpcRequestWrapperImpl : 
+class TGRpcRequestWrapperImpl :
     public std::conditional_t<IsOperation,
         TGrpcResponseSenderImpl<TGRpcRequestWrapperImpl<TRpcId, TReq, TResp, IsOperation, TDerived>>,
         IRequestNoOpCtx>,
@@ -859,10 +859,10 @@ public:
         return ToMaybe(Ctx_->GetPeerMetaValues(key));
     }
 
-    bool Validate(TString&) override { 
-        return true; 
-    } 
- 
+    bool Validate(TString&) override {
+        return true;
+    }
+
     void UseDatabase(const TString& database) override {
         Ctx_->UseDatabase(database);
     }
@@ -871,8 +871,8 @@ public:
         TResponse* resp = CreateResponseMessage();
         TCommonResponseFiller<TResp, TDerived::IsOp>::Fill(*resp, IssueManager.GetIssues(), CostInfo, Ydb::StatusIds::UNAVAILABLE);
         Reply(resp, Ydb::StatusIds::UNAVAILABLE);
-    } 
- 
+    }
+
     void ReplyWithYdbStatus(Ydb::StatusIds::StatusCode status) override {
         TResponse* resp = CreateResponseMessage();
         TCommonResponseFiller<TResponse, TDerived::IsOp>::Fill(*resp, IssueManager.GetIssues(), CostInfo, status);
@@ -1072,10 +1072,10 @@ template <typename TReq, typename TResp>
 using TGrpcRequestNoOperationCall = TGrpcRequestCall<TReq, TResp, false>;
 
 template<ui32 TRpcId, typename TReq, typename TResp, bool IsOperation, TRateLimiterMode RlMode = TRateLimiterMode::Off>
-class TGRpcRequestWrapper : 
+class TGRpcRequestWrapper :
     public TGRpcRequestWrapperImpl<TRpcId, TReq, TResp, IsOperation,
         TGRpcRequestWrapper<TRpcId, TReq, TResp, IsOperation, RlMode>> {
-public: 
+public:
     static IActor* CreateRpcActor(typename std::conditional<IsOperation, IRequestOpCtx, IRequestNoOpCtx>::type* msg);
     static constexpr bool IsOp = IsOperation;
     static constexpr TRateLimiterMode RateLimitMode = RlMode;
@@ -1083,7 +1083,7 @@ public:
     TGRpcRequestWrapper(NGrpc::IRequestContextBase* ctx)
         : TGRpcRequestWrapperImpl<TRpcId, TReq, TResp, IsOperation,
               TGRpcRequestWrapper<TRpcId, TReq, TResp, IsOperation, RlMode>>(ctx)
-    { } 
+    { }
 
     TRateLimiterMode GetRlMode() const override {
         return RateLimitMode;
@@ -1092,8 +1092,8 @@ public:
     bool TryCustomAttributeProcess(const TSchemeBoardEvents::TDescribeSchemeResult&, ICheckerIface*) override {
         return false;
     }
-}; 
- 
+};
+
 template<ui32 TRpcId, typename TReq, typename TResp, bool IsOperation = true, TRateLimiterMode RlMode = TRateLimiterMode::Off>
 class TGRpcRequestWrapperNoAuth :
     public TGRpcRequestWrapperImpl<TRpcId, TReq, TResp, IsOperation, TGRpcRequestWrapperNoAuth<TRpcId, TReq, TResp, IsOperation, RlMode>> {
@@ -1121,17 +1121,17 @@ public:
 };
 
 template<ui32 TRpcId, typename TReq, typename TResp, bool IsOperation, TRateLimiterMode RlMode = TRateLimiterMode::Off>
-class TGRpcRequestValidationWrapper : 
+class TGRpcRequestValidationWrapper :
     public TGRpcRequestWrapperImpl<TRpcId, TReq, TResp, IsOperation, TGRpcRequestValidationWrapper<TRpcId, TReq, TResp, IsOperation, RlMode>> {
- 
-public: 
+
+public:
     static IActor* CreateRpcActor(typename std::conditional<IsOperation, IRequestOpCtx, IRequestNoOpCtx>::type* msg);
     static constexpr bool IsOp = IsOperation;
     static constexpr TRateLimiterMode RateLimitMode = RlMode;
     TGRpcRequestValidationWrapper(NGrpc::IRequestContextBase* ctx)
         : TGRpcRequestWrapperImpl<TRpcId, TReq, TResp, IsOperation, TGRpcRequestValidationWrapper<TRpcId, TReq, TResp, IsOperation, RlMode>>(ctx)
-    { } 
- 
+    { }
+
     TRateLimiterMode GetRlMode() const override {
         return RateLimitMode;
     }
@@ -1140,10 +1140,10 @@ public:
         return false;
     }
 
-    bool Validate(TString& error) override { 
-        return this->GetProtoRequest()->validate(error); 
-    } 
-}; 
- 
+    bool Validate(TString& error) override {
+        return this->GetProtoRequest()->validate(error);
+    }
+};
+
 } // namespace NGRpcService
 } // namespace NKikimr
diff --git a/ydb/core/grpc_services/grpc_request_proxy.cpp b/ydb/core/grpc_services/grpc_request_proxy.cpp
index c8dcb5adbd..a1e7accb87 100644
--- a/ydb/core/grpc_services/grpc_request_proxy.cpp
+++ b/ydb/core/grpc_services/grpc_request_proxy.cpp
@@ -298,7 +298,7 @@ private:
 
 void TGRpcRequestProxyImpl::Bootstrap(const TActorContext& ctx) {
     ctx.Send(MakeTenantPoolRootID(), new TEvents::TEvSubscribe());
-    AllowYdbRequestsWithoutDatabase = AppData(ctx)->FeatureFlags.GetAllowYdbRequestsWithoutDatabase(); 
+    AllowYdbRequestsWithoutDatabase = AppData(ctx)->FeatureFlags.GetAllowYdbRequestsWithoutDatabase();
 
     // Subscribe for TableService config changes
     ui32 tableServiceConfigKind = (ui32) NKikimrConsole::TConfigItem::TableServiceConfigItem;
diff --git a/ydb/core/grpc_services/grpc_request_proxy.h b/ydb/core/grpc_services/grpc_request_proxy.h
index 12224cc8a3..97315f6e9f 100644
--- a/ydb/core/grpc_services/grpc_request_proxy.h
+++ b/ydb/core/grpc_services/grpc_request_proxy.h
@@ -55,9 +55,9 @@ protected:
     void Handle(TEvRenameTablesRequest::TPtr& ev, const TActorContext& ctx);
     void Handle(TEvDescribeTableRequest::TPtr& ev, const TActorContext& ctx);
     void Handle(TEvGetOperationRequest::TPtr& ev, const TActorContext& ctx);
-    void Handle(TEvCancelOperationRequest::TPtr& ev, const TActorContext& ctx); 
-    void Handle(TEvForgetOperationRequest::TPtr& ev, const TActorContext& ctx); 
-    void Handle(TEvListOperationsRequest::TPtr& ev, const TActorContext& ctx); 
+    void Handle(TEvCancelOperationRequest::TPtr& ev, const TActorContext& ctx);
+    void Handle(TEvForgetOperationRequest::TPtr& ev, const TActorContext& ctx);
+    void Handle(TEvListOperationsRequest::TPtr& ev, const TActorContext& ctx);
     void Handle(TEvCreateSessionRequest::TPtr& ev, const TActorContext& ctx);
     void Handle(TEvKeepAliveRequest::TPtr& ev, const TActorContext& ctx);
     void Handle(TEvDeleteSessionRequest::TPtr& ev, const TActorContext& ctx);
@@ -96,10 +96,10 @@ protected:
     void Handle(TEvPQAddReadRuleRequest::TPtr& ev, const TActorContext& ctx);
     void Handle(TEvPQRemoveReadRuleRequest::TPtr& ev, const TActorContext& ctx);
     void Handle(TEvPQDescribeTopicRequest::TPtr& ev, const TActorContext& ctx);
-    void Handle(TEvExportToYtRequest::TPtr& ev, const TActorContext& ctx); 
-    void Handle(TEvExportToS3Request::TPtr& ev, const TActorContext& ctx); 
-    void Handle(TEvImportFromS3Request::TPtr& ev, const TActorContext& ctx); 
-    void Handle(TEvImportDataRequest::TPtr& ev, const TActorContext& ctx); 
+    void Handle(TEvExportToYtRequest::TPtr& ev, const TActorContext& ctx);
+    void Handle(TEvExportToS3Request::TPtr& ev, const TActorContext& ctx);
+    void Handle(TEvImportFromS3Request::TPtr& ev, const TActorContext& ctx);
+    void Handle(TEvImportDataRequest::TPtr& ev, const TActorContext& ctx);
     void Handle(TEvDiscoverPQClustersRequest::TPtr& ev, const TActorContext& ctx);
     void Handle(TEvBulkUpsertRequest::TPtr& ev, const TActorContext& ctx);
     void Handle(TEvWhoAmIRequest::TPtr& ev, const TActorContext& ctx);
diff --git a/ydb/core/grpc_services/rpc_alter_coordination_node.cpp b/ydb/core/grpc_services/rpc_alter_coordination_node.cpp
index b5e1babcd8..52cfe8c940 100644
--- a/ydb/core/grpc_services/rpc_alter_coordination_node.cpp
+++ b/ydb/core/grpc_services/rpc_alter_coordination_node.cpp
@@ -38,7 +38,7 @@ private:
         const auto& workingDir = pathPair.first;
         const auto& name = pathPair.second;
 
-        std::unique_ptr<TEvTxUserProxy::TEvProposeTransaction> proposeRequest = CreateProposeTransaction(); 
+        std::unique_ptr<TEvTxUserProxy::TEvProposeTransaction> proposeRequest = CreateProposeTransaction();
         NKikimrTxUserProxy::TEvProposeTransaction& record = proposeRequest->Record;
         NKikimrSchemeOp::TModifyScheme* modifyScheme = record.MutableTransaction()->MutableModifyScheme();
         modifyScheme->SetWorkingDir(workingDir);
diff --git a/ydb/core/grpc_services/rpc_alter_table.cpp b/ydb/core/grpc_services/rpc_alter_table.cpp
index 32f513b991..d1f2755b66 100644
--- a/ydb/core/grpc_services/rpc_alter_table.cpp
+++ b/ydb/core/grpc_services/rpc_alter_table.cpp
@@ -12,8 +12,8 @@
 #include <ydb/core/ydb_convert/column_families.h>
 #include <ydb/core/ydb_convert/table_description.h>
 
-#include <util/generic/hash_set.h> 
- 
+#include <util/generic/hash_set.h>
+
 #define TXLOG_T(stream) LOG_TRACE_S(*TlsActivationContext, NKikimrServices::TX_PROXY, LogPrefix << stream)
 #define TXLOG_D(stream) LOG_DEBUG_S(*TlsActivationContext, NKikimrServices::TX_PROXY, LogPrefix << stream)
 #define TXLOG_I(stream) LOG_INFO_S(*TlsActivationContext, NKikimrServices::TX_PROXY, LogPrefix << stream)
@@ -49,32 +49,32 @@ static bool CheckAccess(const NACLib::TUserToken& userToken, const NSchemeCache:
     return true;
 }
 
-static std::pair<StatusIds::StatusCode, TString> CheckAddIndexDesc(const Ydb::Table::TableIndex& desc) { 
-    if (!desc.name()) { 
-        return {StatusIds::BAD_REQUEST, "Index must have a name"}; 
-    } 
- 
+static std::pair<StatusIds::StatusCode, TString> CheckAddIndexDesc(const Ydb::Table::TableIndex& desc) {
+    if (!desc.name()) {
+        return {StatusIds::BAD_REQUEST, "Index must have a name"};
+    }
+
     if (!desc.index_columns_size()) {
-        return {StatusIds::BAD_REQUEST, "At least one column must be specified"}; 
+        return {StatusIds::BAD_REQUEST, "At least one column must be specified"};
     }
- 
-    if (!desc.data_columns().empty() && !AppData()->FeatureFlags.GetEnableDataColumnForIndexTable()) { 
-        return {StatusIds::UNSUPPORTED, "Data column feature is not supported yet"}; 
+
+    if (!desc.data_columns().empty() && !AppData()->FeatureFlags.GetEnableDataColumnForIndexTable()) {
+        return {StatusIds::UNSUPPORTED, "Data column feature is not supported yet"};
+    }
+
+    switch (desc.type_case()) {
+    case Table::TableIndex::kGlobalIndex:
+        break;
+    case Table::TableIndex::kGlobalAsyncIndex:
+        if (!AppData()->FeatureFlags.GetEnableAsyncIndexes()) {
+            return {StatusIds::UNSUPPORTED, "Async indexes are not supported yet"};
+        }
+        break;
+    default:
+        break;
     }
- 
-    switch (desc.type_case()) { 
-    case Table::TableIndex::kGlobalIndex: 
-        break; 
-    case Table::TableIndex::kGlobalAsyncIndex: 
-        if (!AppData()->FeatureFlags.GetEnableAsyncIndexes()) { 
-            return {StatusIds::UNSUPPORTED, "Async indexes are not supported yet"}; 
-        } 
-        break; 
-    default: 
-        break; 
-    } 
- 
-    return {StatusIds::SUCCESS, ""}; 
+
+    return {StatusIds::SUCCESS, ""};
 }
 
 class TAlterTableRPC : public TRpcSchemeRequestActor<TAlterTableRPC, TEvAlterTableRequest> {
@@ -87,47 +87,47 @@ class TAlterTableRPC : public TRpcSchemeRequestActor<TAlterTableRPC, TEvAlterTab
         }
         IActor::PassAway();
     }
- 
-    enum class EOp { 
-        // columns, column families, storage, ttl 
-        Common, 
+
+    enum class EOp {
+        // columns, column families, storage, ttl
+        Common,
         // add indices
         AddIndex,
         // drop indices
         DropIndex,
-        // add/alter/drop attributes 
-        Attribute, 
-    }; 
- 
-    THashSet<EOp> GetOps() const { 
+        // add/alter/drop attributes
+        Attribute,
+    };
+
+    THashSet<EOp> GetOps() const {
         const auto& req = GetProtoRequest();
-        THashSet<EOp> ops; 
- 
-        if (req->add_columns_size() || req->drop_columns_size() || req->alter_columns_size() 
-            || req->ttl_action_case() != Ydb::Table::AlterTableRequest::TTL_ACTION_NOT_SET 
-            || req->has_alter_storage_settings() 
+        THashSet<EOp> ops;
+
+        if (req->add_columns_size() || req->drop_columns_size() || req->alter_columns_size()
+            || req->ttl_action_case() != Ydb::Table::AlterTableRequest::TTL_ACTION_NOT_SET
+            || req->has_alter_storage_settings()
             || req->add_column_families_size() || req->alter_column_families_size()
             || req->set_compaction_policy() || req->has_alter_partitioning_settings()
             || req->set_key_bloom_filter() != Ydb::FeatureFlag::STATUS_UNSPECIFIED
             || req->has_set_read_replicas_settings()) {
-            ops.emplace(EOp::Common); 
-        } 
- 
+            ops.emplace(EOp::Common);
+        }
+
         if (req->add_indexes_size()) {
             ops.emplace(EOp::AddIndex);
-        } 
- 
+        }
+
         if (req->drop_indexes_size()) {
             ops.emplace(EOp::DropIndex);
         }
 
-        if (req->alter_attributes_size()) { 
-            ops.emplace(EOp::Attribute); 
-        } 
- 
-        return ops; 
-    } 
- 
+        if (req->alter_attributes_size()) {
+            ops.emplace(EOp::Attribute);
+        }
+
+        return ops;
+    }
+
 public:
     TAlterTableRPC(IRequestOpCtx* msg)
         : TBase(msg) {}
@@ -139,40 +139,40 @@ public:
         if (!Request_->GetInternalToken().empty()) {
             UserToken = MakeHolder<NACLib::TUserToken>(Request_->GetInternalToken());
         }
- 
-        auto ops = GetOps(); 
-        if (!ops) { 
-            return Reply(StatusIds::BAD_REQUEST, "Empty alter", 
-                NKikimrIssues::TIssuesIds::DEFAULT_ERROR, ctx); 
-        }
-        if (ops.size() != 1) { 
-            return Reply(StatusIds::UNSUPPORTED, "Mixed alter is unsupported", 
-                NKikimrIssues::TIssuesIds::DEFAULT_ERROR, ctx); 
-        } 
- 
-        switch (*ops.begin()) { 
-        case EOp::Common: 
+
+        auto ops = GetOps();
+        if (!ops) {
+            return Reply(StatusIds::BAD_REQUEST, "Empty alter",
+                NKikimrIssues::TIssuesIds::DEFAULT_ERROR, ctx);
+        }
+        if (ops.size() != 1) {
+            return Reply(StatusIds::UNSUPPORTED, "Mixed alter is unsupported",
+                NKikimrIssues::TIssuesIds::DEFAULT_ERROR, ctx);
+        }
+
+        switch (*ops.begin()) {
+        case EOp::Common:
             // Altering table settings will need table profiles
             SendConfigRequest(ctx);
             ctx.Schedule(TDuration::Seconds(15), new TEvents::TEvWakeup(WakeupTagGetConfig));
             Become(&TAlterTableRPC::AlterStateGetConfig);
             return;
- 
+
         case EOp::AddIndex:
             if (req->add_indexes_size() == 1) {
                 const auto& index = req->add_indexes(0);
-                auto [status, issues] = CheckAddIndexDesc(index); 
-                if (status == StatusIds::SUCCESS) { 
+                auto [status, issues] = CheckAddIndexDesc(index);
+                if (status == StatusIds::SUCCESS) {
                     PrepareAlterTableAddIndex();
                 } else {
-                    return Reply(status, issues, NKikimrIssues::TIssuesIds::DEFAULT_ERROR, ctx); 
+                    return Reply(status, issues, NKikimrIssues::TIssuesIds::DEFAULT_ERROR, ctx);
                 }
-            } else { 
+            } else {
                 return Reply(StatusIds::UNSUPPORTED, "Only one index can be added by one operation",
-                    NKikimrIssues::TIssuesIds::DEFAULT_ERROR, ctx); 
-            } 
-            break; 
- 
+                    NKikimrIssues::TIssuesIds::DEFAULT_ERROR, ctx);
+            }
+            break;
+
         case EOp::DropIndex:
             if (req->drop_indexes_size() == 1) {
                 DropIndex(ctx);
@@ -182,11 +182,11 @@ public:
             }
             break;
 
-        case EOp::Attribute: 
-            AlterUserAttributes(ctx); 
-            break; 
-        } 
- 
+        case EOp::Attribute:
+            AlterUserAttributes(ctx);
+            break;
+        }
+
         Become(&TAlterTableRPC::AlterStateWork);
     }
 
@@ -397,7 +397,7 @@ private:
         ctx.Send(MakeTxProxyID(), proposeRequest.release());
     }
 
-    void AlterTable(const TActorContext &ctx) { 
+    void AlterTable(const TActorContext &ctx) {
         const auto req = GetProtoRequest();
         std::pair<TString, TString> pathPair;
         try {
@@ -478,7 +478,7 @@ private:
             desc->ClearPartitionConfig();
         }
 
-        if (!FillAlterTableSettingsDesc(*desc, *req, Profiles, code, error, AppData())) { 
+        if (!FillAlterTableSettingsDesc(*desc, *req, Profiles, code, error, AppData())) {
             NYql::TIssues issues;
             issues.AddIssue(NYql::TIssue(error));
             return Reply(code, issues, ctx);
@@ -487,40 +487,40 @@ private:
         ctx.Send(MakeTxProxyID(), proposeRequest.release());
     }
 
-    void AlterUserAttributes(const TActorContext &ctx) { 
+    void AlterUserAttributes(const TActorContext &ctx) {
         const auto req = GetProtoRequest();
- 
-        std::pair<TString, TString> pathPair; 
-        try { 
-            pathPair = SplitPath(req->path()); 
-        } catch (const std::exception&) { 
-            return ReplyWithStatus(StatusIds::BAD_REQUEST, ctx); 
-        } 
- 
-        const auto& workingDir = pathPair.first; 
-        const auto& name = pathPair.second; 
- 
-        std::unique_ptr<TEvTxUserProxy::TEvProposeTransaction> proposeRequest = CreateProposeTransaction(); 
-        auto& record = proposeRequest->Record; 
-        auto& modifyScheme = *record.MutableTransaction()->MutableModifyScheme(); 
- 
-        modifyScheme.SetWorkingDir(workingDir); 
+
+        std::pair<TString, TString> pathPair;
+        try {
+            pathPair = SplitPath(req->path());
+        } catch (const std::exception&) {
+            return ReplyWithStatus(StatusIds::BAD_REQUEST, ctx);
+        }
+
+        const auto& workingDir = pathPair.first;
+        const auto& name = pathPair.second;
+
+        std::unique_ptr<TEvTxUserProxy::TEvProposeTransaction> proposeRequest = CreateProposeTransaction();
+        auto& record = proposeRequest->Record;
+        auto& modifyScheme = *record.MutableTransaction()->MutableModifyScheme();
+
+        modifyScheme.SetWorkingDir(workingDir);
         modifyScheme.SetOperationType(NKikimrSchemeOp::EOperationType::ESchemeOpAlterUserAttributes);
- 
-        auto& alter = *modifyScheme.MutableAlterUserAttributes(); 
-        alter.SetPathName(name); 
- 
-        for (auto [key, value] : req->alter_attributes()) { 
-            auto& attr = *alter.AddUserAttributes(); 
-            attr.SetKey(key); 
-            if (value) { 
-                attr.SetValue(value); 
-            } 
-        } 
- 
-        ctx.Send(MakeTxProxyID(), proposeRequest.release()); 
-    } 
- 
+
+        auto& alter = *modifyScheme.MutableAlterUserAttributes();
+        alter.SetPathName(name);
+
+        for (auto [key, value] : req->alter_attributes()) {
+            auto& attr = *alter.AddUserAttributes();
+            attr.SetKey(key);
+            if (value) {
+                attr.SetValue(value);
+            }
+        }
+
+        ctx.Send(MakeTxProxyID(), proposeRequest.release());
+    }
+
     void ReplyWithStatus(StatusIds::StatusCode status,
                          const TActorContext &ctx) {
         Request_->ReplyWithYdbStatus(status);
diff --git a/ydb/core/grpc_services/rpc_calls.cpp b/ydb/core/grpc_services/rpc_calls.cpp
index 6c6795e21b..b94d168147 100644
--- a/ydb/core/grpc_services/rpc_calls.cpp
+++ b/ydb/core/grpc_services/rpc_calls.cpp
@@ -2,7 +2,7 @@
 #include "grpc_request_proxy.h"
 
 #include <ydb/core/base/path.h>
- 
+
 namespace NKikimr {
 namespace NGRpcService {
 
@@ -32,17 +32,17 @@ void FillYdbStatus(Ydb::Coordination::SessionResponse& resp, const NYql::TIssues
     NYql::IssuesToMessage(issues, failure->mutable_issues());
 }
 
-std::pair<TString, TString> SplitPath(const TMaybe<TString>& database, const TString& path) { 
-    std::pair<TString, TString> pathPair; 
-    TString error; 
- 
-    if (!TrySplitPathByDb(path, database.GetOrElse(TString()), pathPair, error)) { 
-        ythrow yexception() << error; 
-    } 
- 
-    return pathPair; 
-} 
- 
+std::pair<TString, TString> SplitPath(const TMaybe<TString>& database, const TString& path) {
+    std::pair<TString, TString> pathPair;
+    TString error;
+
+    if (!TrySplitPathByDb(path, database.GetOrElse(TString()), pathPair, error)) {
+        ythrow yexception() << error;
+    }
+
+    return pathPair;
+}
+
 std::pair<TString, TString> SplitPath(const TString& path) {
     auto splitPos = path.find_last_of('/');
     if (splitPos == path.npos || splitPos + 1 == path.size()) {
diff --git a/ydb/core/grpc_services/rpc_calls.h b/ydb/core/grpc_services/rpc_calls.h
index 68570ec911..43136c2f4a 100644
--- a/ydb/core/grpc_services/rpc_calls.h
+++ b/ydb/core/grpc_services/rpc_calls.h
@@ -4,7 +4,7 @@
 #include "local_rate_limiter.h"
 
 #include <ydb/core/grpc_services/base/base.h>
- 
+
 #include <ydb/public/api/protos/ydb_auth.pb.h>
 #include <ydb/public/api/protos/ydb_clickhouse_internal.pb.h>
 #include <ydb/public/api/protos/ydb_cms.pb.h>
@@ -27,7 +27,7 @@
 #include <ydb/public/api/grpc/draft/ydb_datastreams_v1.pb.h>
 
 #include <ydb/public/lib/operation_id/operation_id.h>
- 
+
 #include <util/generic/maybe.h>
 
 namespace NKikimr {
diff --git a/ydb/core/grpc_services/rpc_calls_ut.cpp b/ydb/core/grpc_services/rpc_calls_ut.cpp
index d50560bb55..514be6ffee 100644
--- a/ydb/core/grpc_services/rpc_calls_ut.cpp
+++ b/ydb/core/grpc_services/rpc_calls_ut.cpp
@@ -4,35 +4,35 @@
 
 namespace NKikimr {
 
-Y_UNIT_TEST_SUITE(SplitPathTests) { 
-    Y_UNIT_TEST(WithoutDatabaseShouldSuccess) { 
+Y_UNIT_TEST_SUITE(SplitPathTests) {
+    Y_UNIT_TEST(WithoutDatabaseShouldSuccess) {
         {
-            auto pair = NGRpcService::SplitPath("/root/table"); 
-            UNIT_ASSERT_VALUES_EQUAL(pair.first, "/root"); 
+            auto pair = NGRpcService::SplitPath("/root/table");
+            UNIT_ASSERT_VALUES_EQUAL(pair.first, "/root");
             UNIT_ASSERT_VALUES_EQUAL(pair.second, "table");
         }
-        { 
-            auto pair = NGRpcService::SplitPath("/root/dir/table"); 
-            UNIT_ASSERT_VALUES_EQUAL(pair.first, "/root/dir"); 
-            UNIT_ASSERT_VALUES_EQUAL(pair.second, "table"); 
-        } 
+        {
+            auto pair = NGRpcService::SplitPath("/root/dir/table");
+            UNIT_ASSERT_VALUES_EQUAL(pair.first, "/root/dir");
+            UNIT_ASSERT_VALUES_EQUAL(pair.second, "table");
+        }
+    }
+
+    Y_UNIT_TEST(WithDatabaseShouldSuccess) {
+        for (auto db : TVector<TString>{"/root/db", "/root/db/"}) {
+            for (auto subpath : TVector<TString>{"table", "dir/table"}) {
+                auto pair = NGRpcService::SplitPath(db, "/root/db/" + subpath);
+                UNIT_ASSERT_VALUES_EQUAL(pair.first, "/root/db");
+                UNIT_ASSERT_VALUES_EQUAL(pair.second, subpath);
+            }
+        }
+    }
+
+    Y_UNIT_TEST(WithDatabaseShouldFail) {
+        for (auto path : TVector<TString>{"/root/db1/table", "/root/db1/dir/table"}) {
+            UNIT_ASSERT_EXCEPTION(NGRpcService::SplitPath("/root/db2", path), yexception);
+        }
     }
- 
-    Y_UNIT_TEST(WithDatabaseShouldSuccess) { 
-        for (auto db : TVector<TString>{"/root/db", "/root/db/"}) { 
-            for (auto subpath : TVector<TString>{"table", "dir/table"}) { 
-                auto pair = NGRpcService::SplitPath(db, "/root/db/" + subpath); 
-                UNIT_ASSERT_VALUES_EQUAL(pair.first, "/root/db"); 
-                UNIT_ASSERT_VALUES_EQUAL(pair.second, subpath); 
-            } 
-        } 
-    } 
- 
-    Y_UNIT_TEST(WithDatabaseShouldFail) { 
-        for (auto path : TVector<TString>{"/root/db1/table", "/root/db1/dir/table"}) { 
-            UNIT_ASSERT_EXCEPTION(NGRpcService::SplitPath("/root/db2", path), yexception); 
-        } 
-    } 
 }
 
 } // namespace NKikimr
diff --git a/ydb/core/grpc_services/rpc_cancel_operation.cpp b/ydb/core/grpc_services/rpc_cancel_operation.cpp
index 26431fa28c..579f927c80 100644
--- a/ydb/core/grpc_services/rpc_cancel_operation.cpp
+++ b/ydb/core/grpc_services/rpc_cancel_operation.cpp
@@ -1,127 +1,127 @@
-#include "grpc_request_proxy.h" 
-#include "operation_helpers.h" 
-#include "rpc_calls.h" 
-#include "rpc_operation_request_base.h" 
- 
+#include "grpc_request_proxy.h"
+#include "operation_helpers.h"
+#include "rpc_calls.h"
+#include "rpc_operation_request_base.h"
+
 #include <ydb/core/tx/schemeshard/schemeshard_build_index.h>
 #include <ydb/core/tx/schemeshard/schemeshard_export.h>
 #include <ydb/core/tx/schemeshard/schemeshard_import.h>
 #include <ydb/public/lib/operation_id/operation_id.h>
- 
+
 #include <library/cpp/actors/core/hfunc.h>
- 
-namespace NKikimr { 
-namespace NGRpcService { 
- 
-using namespace NActors; 
+
+namespace NKikimr {
+namespace NGRpcService {
+
+using namespace NActors;
 using namespace NSchemeShard;
-using namespace NKikimrIssues; 
-using namespace NOperationId; 
-using namespace Ydb; 
- 
-class TCancelOperationRPC: public TRpcOperationRequestActor<TCancelOperationRPC, TEvCancelOperationRequest> { 
-    TStringBuf GetLogPrefix() const override { 
-        switch (OperationId.GetKind()) { 
-        case TOperationId::EXPORT: 
-            return "[CancelExport]"; 
-        case TOperationId::IMPORT: 
-            return "[CancelImport]"; 
-        case TOperationId::BUILD_INDEX: 
-            return "[CancelIndexBuild]"; 
-        default: 
-            return "[Untagged]"; 
-        } 
-    } 
- 
-    IEventBase* MakeRequest() override { 
-        switch (OperationId.GetKind()) { 
-        case TOperationId::EXPORT: 
-            return new TEvExport::TEvCancelExportRequest(TxId, DatabaseName, RawOperationId); 
-        case TOperationId::IMPORT: 
-            return new TEvImport::TEvCancelImportRequest(TxId, DatabaseName, RawOperationId); 
-        case TOperationId::BUILD_INDEX: 
-            return new TEvIndexBuilder::TEvCancelRequest(TxId, DatabaseName, RawOperationId); 
-        default: 
-            Y_FAIL("unreachable"); 
-        } 
-    } 
- 
-    void Handle(TEvExport::TEvCancelExportResponse::TPtr& ev) { 
-        const auto& record = ev->Get()->Record.GetResponse(); 
- 
-        LOG_D("Handle TEvExport::TEvCancelExportResponse" 
-            << ": record# " << record.ShortDebugString()); 
- 
-        Reply(record.GetStatus(), record.GetIssues()); 
-    } 
- 
-    void Handle(TEvImport::TEvCancelImportResponse::TPtr& ev) { 
-        const auto& record = ev->Get()->Record.GetResponse(); 
-
-        LOG_D("Handle TEvImport::TEvCancelImportResponse" 
-            << ": record# " << record.ShortDebugString()); 
-
-        Reply(record.GetStatus(), record.GetIssues()); 
+using namespace NKikimrIssues;
+using namespace NOperationId;
+using namespace Ydb;
+
+class TCancelOperationRPC: public TRpcOperationRequestActor<TCancelOperationRPC, TEvCancelOperationRequest> {
+    TStringBuf GetLogPrefix() const override {
+        switch (OperationId.GetKind()) {
+        case TOperationId::EXPORT:
+            return "[CancelExport]";
+        case TOperationId::IMPORT:
+            return "[CancelImport]";
+        case TOperationId::BUILD_INDEX:
+            return "[CancelIndexBuild]";
+        default:
+            return "[Untagged]";
+        }
+    }
+
+    IEventBase* MakeRequest() override {
+        switch (OperationId.GetKind()) {
+        case TOperationId::EXPORT:
+            return new TEvExport::TEvCancelExportRequest(TxId, DatabaseName, RawOperationId);
+        case TOperationId::IMPORT:
+            return new TEvImport::TEvCancelImportRequest(TxId, DatabaseName, RawOperationId);
+        case TOperationId::BUILD_INDEX:
+            return new TEvIndexBuilder::TEvCancelRequest(TxId, DatabaseName, RawOperationId);
+        default:
+            Y_FAIL("unreachable");
+        }
+    }
+
+    void Handle(TEvExport::TEvCancelExportResponse::TPtr& ev) {
+        const auto& record = ev->Get()->Record.GetResponse();
+
+        LOG_D("Handle TEvExport::TEvCancelExportResponse"
+            << ": record# " << record.ShortDebugString());
+
+        Reply(record.GetStatus(), record.GetIssues());
+    }
+
+    void Handle(TEvImport::TEvCancelImportResponse::TPtr& ev) {
+        const auto& record = ev->Get()->Record.GetResponse();
+
+        LOG_D("Handle TEvImport::TEvCancelImportResponse"
+            << ": record# " << record.ShortDebugString());
+
+        Reply(record.GetStatus(), record.GetIssues());
     }
 
-    void Handle(TEvIndexBuilder::TEvCancelResponse::TPtr& ev) { 
-        const auto& record = ev->Get()->Record; 
+    void Handle(TEvIndexBuilder::TEvCancelResponse::TPtr& ev) {
+        const auto& record = ev->Get()->Record;
 
-        LOG_D("Handle TEvIndexBuilder::TEvCancelResponse" 
-            << ": record# " << record.ShortDebugString()); 
+        LOG_D("Handle TEvIndexBuilder::TEvCancelResponse"
+            << ": record# " << record.ShortDebugString());
 
         Reply(record.GetStatus(), record.GetIssues());
     }
 
-public: 
-    using TRpcOperationRequestActor::TRpcOperationRequestActor; 
- 
-    void Bootstrap() { 
-        const TString& id = Request->GetProtoRequest()->id(); 
- 
-        try { 
+public:
+    using TRpcOperationRequestActor::TRpcOperationRequestActor;
+
+    void Bootstrap() {
+        const TString& id = Request->GetProtoRequest()->id();
+
+        try {
             OperationId = TOperationId(id);
- 
+
             switch (OperationId.GetKind()) {
-            case TOperationId::EXPORT: 
-            case TOperationId::IMPORT: 
-            case TOperationId::BUILD_INDEX: 
-                if (!TryGetId(OperationId, RawOperationId)) { 
-                    return Reply(StatusIds::BAD_REQUEST, TIssuesIds::DEFAULT_ERROR, "Unable to extract operation id"); 
-                } 
-                break; 
-
-            default: 
-                return Reply(StatusIds::UNSUPPORTED, TIssuesIds::DEFAULT_ERROR, "Unknown operation kind"); 
-            } 
- 
-            AllocateTxId(); 
-        } catch (const yexception&) { 
-            return Reply(StatusIds::BAD_REQUEST, TIssuesIds::DEFAULT_ERROR, "Invalid operation id"); 
-        } 
- 
-        Become(&TCancelOperationRPC::StateWait); 
-    } 
- 
-    STATEFN(StateWait) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvExport::TEvCancelExportResponse, Handle); 
-            hFunc(TEvImport::TEvCancelImportResponse, Handle); 
-            hFunc(TEvIndexBuilder::TEvCancelResponse, Handle); 
-        default: 
-            return StateBase(ev, TlsActivationContext->AsActorContext()); 
-        } 
-    } 
- 
+            case TOperationId::EXPORT:
+            case TOperationId::IMPORT:
+            case TOperationId::BUILD_INDEX:
+                if (!TryGetId(OperationId, RawOperationId)) {
+                    return Reply(StatusIds::BAD_REQUEST, TIssuesIds::DEFAULT_ERROR, "Unable to extract operation id");
+                }
+                break;
+
+            default:
+                return Reply(StatusIds::UNSUPPORTED, TIssuesIds::DEFAULT_ERROR, "Unknown operation kind");
+            }
+
+            AllocateTxId();
+        } catch (const yexception&) {
+            return Reply(StatusIds::BAD_REQUEST, TIssuesIds::DEFAULT_ERROR, "Invalid operation id");
+        }
+
+        Become(&TCancelOperationRPC::StateWait);
+    }
+
+    STATEFN(StateWait) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvExport::TEvCancelExportResponse, Handle);
+            hFunc(TEvImport::TEvCancelImportResponse, Handle);
+            hFunc(TEvIndexBuilder::TEvCancelResponse, Handle);
+        default:
+            return StateBase(ev, TlsActivationContext->AsActorContext());
+        }
+    }
+
 private:
     TOperationId OperationId;
     ui64 RawOperationId = 0;
- 
-}; // TCancelOperationRPC 
- 
-void TGRpcRequestProxy::Handle(TEvCancelOperationRequest::TPtr& ev, const TActorContext& ctx) { 
-    ctx.Register(new TCancelOperationRPC(ev->Release().Release())); 
-} 
- 
-} // namespace NGRpcService 
-} // namespace NKikimr 
+
+}; // TCancelOperationRPC
+
+void TGRpcRequestProxy::Handle(TEvCancelOperationRequest::TPtr& ev, const TActorContext& ctx) {
+    ctx.Register(new TCancelOperationRPC(ev->Release().Release()));
+}
+
+} // namespace NGRpcService
+} // namespace NKikimr
diff --git a/ydb/core/grpc_services/rpc_common.h b/ydb/core/grpc_services/rpc_common.h
index 7f0834184b..075318037c 100644
--- a/ydb/core/grpc_services/rpc_common.h
+++ b/ydb/core/grpc_services/rpc_common.h
@@ -32,18 +32,18 @@ inline void SetDatabase(TEv& ev, const IRequestCtx& ctx) {
 }
 
 inline void SetDatabase(TEvTxUserProxy::TEvProposeTransaction* ev, const IRequestCtx& ctx) {
-    // Empty database in case of absent header 
-    ev->Record.SetDatabaseName(CanonizePath(ctx.GetDatabaseName().GetOrElse(""))); 
-} 
- 
+    // Empty database in case of absent header
+    ev->Record.SetDatabaseName(CanonizePath(ctx.GetDatabaseName().GetOrElse("")));
+}
+
 inline void SetDatabase(TEvTxUserProxy::TEvNavigate* ev, const IRequestCtx& ctx) {
-    // Empty database in case of absent header 
-    ev->Record.SetDatabaseName(CanonizePath(ctx.GetDatabaseName().GetOrElse(""))); 
-} 
- 
+    // Empty database in case of absent header
+    ev->Record.SetDatabaseName(CanonizePath(ctx.GetDatabaseName().GetOrElse("")));
+}
+
 inline void SetRequestType(TEvTxUserProxy::TEvProposeTransaction* ev, const IRequestCtx& ctx) {
-    ev->Record.SetRequestType(ctx.GetRequestType().GetOrElse("")); 
-} 
- 
+    ev->Record.SetRequestType(ctx.GetRequestType().GetOrElse(""));
+}
+
 } // namespace NGRpcService
 } // namespace NKikimr
diff --git a/ydb/core/grpc_services/rpc_copy_table.cpp b/ydb/core/grpc_services/rpc_copy_table.cpp
index 90a18f1399..74a0c9d9a8 100644
--- a/ydb/core/grpc_services/rpc_copy_table.cpp
+++ b/ydb/core/grpc_services/rpc_copy_table.cpp
@@ -38,7 +38,7 @@ private:
         const auto& workingDir = destinationPathPair.first;
         const auto& name = destinationPathPair.second;
 
-        std::unique_ptr<TEvTxUserProxy::TEvProposeTransaction> proposeRequest = CreateProposeTransaction(); 
+        std::unique_ptr<TEvTxUserProxy::TEvProposeTransaction> proposeRequest = CreateProposeTransaction();
         NKikimrTxUserProxy::TEvProposeTransaction& record = proposeRequest->Record;
         NKikimrSchemeOp::TModifyScheme* modifyScheme = record.MutableTransaction()->MutableModifyScheme();
         modifyScheme->SetWorkingDir(workingDir);
diff --git a/ydb/core/grpc_services/rpc_copy_tables.cpp b/ydb/core/grpc_services/rpc_copy_tables.cpp
index f4e4a126fa..1f5fd281a5 100644
--- a/ydb/core/grpc_services/rpc_copy_tables.cpp
+++ b/ydb/core/grpc_services/rpc_copy_tables.cpp
@@ -26,7 +26,7 @@ public:
 
 private:
     void SendProposeRequest(const TActorContext &ctx) {
-        std::unique_ptr<TEvTxUserProxy::TEvProposeTransaction> proposeRequest = CreateProposeTransaction(); 
+        std::unique_ptr<TEvTxUserProxy::TEvProposeTransaction> proposeRequest = CreateProposeTransaction();
         NKikimrTxUserProxy::TEvProposeTransaction& record = proposeRequest->Record;
         NKikimrSchemeOp::TModifyScheme* modifyScheme = record.MutableTransaction()->MutableModifyScheme();
         modifyScheme->SetOperationType(NKikimrSchemeOp::EOperationType::ESchemeOpCreateConsistentCopyTables);
diff --git a/ydb/core/grpc_services/rpc_create_coordination_node.cpp b/ydb/core/grpc_services/rpc_create_coordination_node.cpp
index 8cf3f18fab..11c838592c 100644
--- a/ydb/core/grpc_services/rpc_create_coordination_node.cpp
+++ b/ydb/core/grpc_services/rpc_create_coordination_node.cpp
@@ -29,7 +29,7 @@ private:
         const auto req = GetProtoRequest();
         std::pair<TString, TString> pathPair;
         try {
-            pathPair = SplitPath(Request_->GetDatabaseName(), req->path()); 
+            pathPair = SplitPath(Request_->GetDatabaseName(), req->path());
         } catch (const std::exception& ex) {
             Request_->RaiseIssue(NYql::ExceptionToIssue(ex));
             return ReplyWithResult(StatusIds::BAD_REQUEST, ctx);
@@ -38,7 +38,7 @@ private:
         const auto& workingDir = pathPair.first;
         const auto& name = pathPair.second;
 
-        std::unique_ptr<TEvTxUserProxy::TEvProposeTransaction> proposeRequest = CreateProposeTransaction(); 
+        std::unique_ptr<TEvTxUserProxy::TEvProposeTransaction> proposeRequest = CreateProposeTransaction();
         NKikimrTxUserProxy::TEvProposeTransaction& record = proposeRequest->Record;
         NKikimrSchemeOp::TModifyScheme* modifyScheme = record.MutableTransaction()->MutableModifyScheme();
         modifyScheme->SetWorkingDir(workingDir);
diff --git a/ydb/core/grpc_services/rpc_create_table.cpp b/ydb/core/grpc_services/rpc_create_table.cpp
index 5815e01b27..302dfde57a 100644
--- a/ydb/core/grpc_services/rpc_create_table.cpp
+++ b/ydb/core/grpc_services/rpc_create_table.cpp
@@ -102,7 +102,7 @@ private:
         const auto req = GetProtoRequest();
         std::pair<TString, TString> pathPair;
         try {
-            pathPair = SplitPath(Request_->GetDatabaseName(), req->path()); 
+            pathPair = SplitPath(Request_->GetDatabaseName(), req->path());
         } catch (const std::exception& ex) {
             Request_->RaiseIssue(NYql::ExceptionToIssue(ex));
             return Reply(StatusIds::BAD_REQUEST, ctx);
@@ -122,7 +122,7 @@ private:
             return Reply(StatusIds::BAD_REQUEST, ctx);
         }
 
-        std::unique_ptr<TEvTxUserProxy::TEvProposeTransaction> proposeRequest = CreateProposeTransaction(); 
+        std::unique_ptr<TEvTxUserProxy::TEvProposeTransaction> proposeRequest = CreateProposeTransaction();
         NKikimrTxUserProxy::TEvProposeTransaction& record = proposeRequest->Record;
         NKikimrSchemeOp::TModifyScheme* modifyScheme = record.MutableTransaction()->MutableModifyScheme();
         modifyScheme->SetWorkingDir(workingDir);
@@ -137,21 +137,21 @@ private:
 
         tableDesc->SetName(name);
 
-        StatusIds::StatusCode code = StatusIds::SUCCESS; 
-        TString error; 
+        StatusIds::StatusCode code = StatusIds::SUCCESS;
+        TString error;
 
         if (!FillColumnDescription(*tableDesc, req->columns(), code, error)) {
-            NYql::TIssues issues; 
-            issues.AddIssue(NYql::TIssue(error)); 
-            return Reply(code, issues, ctx); 
+            NYql::TIssues issues;
+            issues.AddIssue(NYql::TIssue(error));
+            return Reply(code, issues, ctx);
         }
 
-        tableDesc->MutableKeyColumnNames()->CopyFrom(req->primary_key()); 
+        tableDesc->MutableKeyColumnNames()->CopyFrom(req->primary_key());
 
-        if (!FillIndexDescription(*modifyScheme->MutableCreateIndexedTable(), *req, code, error)) { 
-            NYql::TIssues issues; 
-            issues.AddIssue(NYql::TIssue(error)); 
-            return Reply(code, issues, ctx); 
+        if (!FillIndexDescription(*modifyScheme->MutableCreateIndexedTable(), *req, code, error)) {
+            NYql::TIssues issues;
+            issues.AddIssue(NYql::TIssue(error));
+            return Reply(code, issues, ctx);
         }
 
         bool tableProfileSet = false;
@@ -161,7 +161,7 @@ private:
                 || profile.has_partitioning_policy() || profile.has_storage_policy() || profile.has_replication_policy()
                 || profile.has_caching_policy();
         }
- 
+
         if (!Profiles.ApplyTableProfile(req->profile(), *tableDesc, code, error)) {
             NYql::TIssues issues;
             issues.AddIssue(NYql::TIssue(error));
@@ -199,15 +199,15 @@ private:
             return Reply(code, issues, ctx);
         }
 
-        // Attributes 
-        for (auto [key, value] : req->attributes()) { 
-            auto& attr = *modifyScheme->MutableAlterUserAttributes()->AddUserAttributes(); 
-            attr.SetKey(key); 
-            attr.SetValue(value); 
-        } 
- 
+        // Attributes
+        for (auto [key, value] : req->attributes()) {
+            auto& attr = *modifyScheme->MutableAlterUserAttributes()->AddUserAttributes();
+            attr.SetKey(key);
+            attr.SetValue(value);
+        }
+
         TList<TString> warnings;
-        if (!FillCreateTableSettingsDesc(*tableDesc, *req, Profiles, code, error, warnings)) { 
+        if (!FillCreateTableSettingsDesc(*tableDesc, *req, Profiles, code, error, warnings)) {
             NYql::TIssues issues;
             issues.AddIssue(NYql::TIssue(error));
             return Reply(code, issues, ctx);
diff --git a/ydb/core/grpc_services/rpc_deferrable.h b/ydb/core/grpc_services/rpc_deferrable.h
index 3d943c12c0..644e7b84c4 100644
--- a/ydb/core/grpc_services/rpc_deferrable.h
+++ b/ydb/core/grpc_services/rpc_deferrable.h
@@ -1,7 +1,7 @@
 #pragma once
- 
+
 #include "defs.h"
-#include "grpc_request_proxy.h" 
+#include "grpc_request_proxy.h"
 #include "rpc_common.h"
 
 #include <ydb/core/tx/tx_proxy/proxy.h>
@@ -11,7 +11,7 @@
 #include <ydb/core/tx/schemeshard/schemeshard.h>
 #include <ydb/public/api/protos/ydb_status_codes.pb.h>
 #include <ydb/public/lib/operation_id/operation_id.h>
- 
+
 #include <ydb/core/actorlib_impl/long_timer.h>
 
 #include <library/cpp/actors/core/actor_bootstrapped.h>
diff --git a/ydb/core/grpc_services/rpc_describe_coordination_node.cpp b/ydb/core/grpc_services/rpc_describe_coordination_node.cpp
index 27db98febf..04c16bf32e 100644
--- a/ydb/core/grpc_services/rpc_describe_coordination_node.cpp
+++ b/ydb/core/grpc_services/rpc_describe_coordination_node.cpp
@@ -85,7 +85,7 @@ private:
 
         std::unique_ptr<TEvTxUserProxy::TEvNavigate> navigateRequest(new TEvTxUserProxy::TEvNavigate());
         SetAuthToken(navigateRequest, *Request_);
-        SetDatabase(navigateRequest.get(), *Request_); 
+        SetDatabase(navigateRequest.get(), *Request_);
         NKikimrSchemeOp::TDescribePath* record = navigateRequest->Record.MutableDescribePath();
         record->SetPath(req->path());
 
diff --git a/ydb/core/grpc_services/rpc_describe_path.cpp b/ydb/core/grpc_services/rpc_describe_path.cpp
index ac7b2ffed1..7960f50779 100644
--- a/ydb/core/grpc_services/rpc_describe_path.cpp
+++ b/ydb/core/grpc_services/rpc_describe_path.cpp
@@ -19,9 +19,9 @@ using TEvListDirectoryRequest = TGrpcRequestOperationCall<Ydb::Scheme::ListDirec
 using TEvDescribePathRequest = TGrpcRequestOperationCall<Ydb::Scheme::DescribePathRequest,
     Ydb::Scheme::DescribePathResponse>;
 
-template <typename TDerived, typename TRequest, typename TResult, bool ListChildren = false> 
-class TBaseDescribe : public TRpcSchemeRequestActor<TDerived, TRequest> { 
-    using TBase = TRpcSchemeRequestActor<TDerived, TRequest>; 
+template <typename TDerived, typename TRequest, typename TResult, bool ListChildren = false>
+class TBaseDescribe : public TRpcSchemeRequestActor<TDerived, TRequest> {
+    using TBase = TRpcSchemeRequestActor<TDerived, TRequest>;
 
 public:
     TBaseDescribe(IRequestOpCtx* msg)
@@ -31,22 +31,22 @@ public:
         TBase::Bootstrap(ctx);
 
         SendProposeRequest(ctx);
-        this->Become(&TDerived::StateWork); 
+        this->Become(&TDerived::StateWork);
     }
 
 private:
-    void SendProposeRequest(const TActorContext &ctx) { 
-        const auto req = this->GetProtoRequest(); 
- 
-        std::unique_ptr<TEvTxUserProxy::TEvNavigate> navigateRequest(new TEvTxUserProxy::TEvNavigate()); 
-        SetAuthToken(navigateRequest, *this->Request_); 
-        SetDatabase(navigateRequest.get(), *this->Request_); 
+    void SendProposeRequest(const TActorContext &ctx) {
+        const auto req = this->GetProtoRequest();
+
+        std::unique_ptr<TEvTxUserProxy::TEvNavigate> navigateRequest(new TEvTxUserProxy::TEvNavigate());
+        SetAuthToken(navigateRequest, *this->Request_);
+        SetDatabase(navigateRequest.get(), *this->Request_);
         NKikimrSchemeOp::TDescribePath* record = navigateRequest->Record.MutableDescribePath();
-        record->SetPath(req->path()); 
- 
-        ctx.Send(MakeTxProxyID(), navigateRequest.release()); 
-    } 
- 
+        record->SetPath(req->path());
+
+        ctx.Send(MakeTxProxyID(), navigateRequest.release());
+    }
+
     void StateWork(TAutoPtr<IEventHandle>& ev, const TActorContext& ctx) {
         switch (ev->GetTypeRewrite()) {
             HFunc(NSchemeShard::TEvSchemeShard::TEvDescribeSchemeResult, Handle);
@@ -57,55 +57,55 @@ private:
     void Handle(NSchemeShard::TEvSchemeShard::TEvDescribeSchemeResult::TPtr& ev, const TActorContext& ctx) {
         const auto& record = ev->Get()->GetRecord();
         const auto status = record.GetStatus();
- 
+
         if (record.HasReason()) {
             auto issue = NYql::TIssue(record.GetReason());
-            this->Request_->RaiseIssue(issue); 
+            this->Request_->RaiseIssue(issue);
         }
- 
-        TResult result; 
+
+        TResult result;
         switch (status) {
             case NKikimrScheme::StatusSuccess: {
                 const auto& pathDescription = record.GetPathDescription();
-                ConvertDirectoryEntry(pathDescription, result.mutable_self(), true); 
-                if constexpr (ListChildren) { 
-                    for (const auto& child : pathDescription.GetChildren()) { 
-                        ConvertDirectoryEntry(child, result.add_children(), false); 
-                    } 
-                } 
-                return this->ReplyWithResult(Ydb::StatusIds::SUCCESS, result, ctx); 
+                ConvertDirectoryEntry(pathDescription, result.mutable_self(), true);
+                if constexpr (ListChildren) {
+                    for (const auto& child : pathDescription.GetChildren()) {
+                        ConvertDirectoryEntry(child, result.add_children(), false);
+                    }
+                }
+                return this->ReplyWithResult(Ydb::StatusIds::SUCCESS, result, ctx);
             }
             case NKikimrScheme::StatusPathDoesNotExist:
             case NKikimrScheme::StatusSchemeError: {
-                return this->Reply(Ydb::StatusIds::SCHEME_ERROR, ctx); 
+                return this->Reply(Ydb::StatusIds::SCHEME_ERROR, ctx);
             }
             case NKikimrScheme::StatusAccessDenied: {
-                return this->Reply(Ydb::StatusIds::UNAUTHORIZED, ctx); 
+                return this->Reply(Ydb::StatusIds::UNAUTHORIZED, ctx);
             }
             case NKikimrScheme::StatusNotAvailable: {
-                return this->Reply(Ydb::StatusIds::UNAVAILABLE, ctx); 
+                return this->Reply(Ydb::StatusIds::UNAVAILABLE, ctx);
             }
             default: {
-                return this->Reply(Ydb::StatusIds::GENERIC_ERROR, ctx); 
+                return this->Reply(Ydb::StatusIds::GENERIC_ERROR, ctx);
             }
         }
     }
-}; 
+};
 
-class TListDirectoryRPC : public TBaseDescribe<TListDirectoryRPC, TEvListDirectoryRequest, Ydb::Scheme::ListDirectoryResult, true> { 
-public: 
-    using TBaseDescribe<TListDirectoryRPC, TEvListDirectoryRequest, Ydb::Scheme::ListDirectoryResult, true>::TBaseDescribe; 
-}; 
+class TListDirectoryRPC : public TBaseDescribe<TListDirectoryRPC, TEvListDirectoryRequest, Ydb::Scheme::ListDirectoryResult, true> {
+public:
+    using TBaseDescribe<TListDirectoryRPC, TEvListDirectoryRequest, Ydb::Scheme::ListDirectoryResult, true>::TBaseDescribe;
+};
 
-class TDescribePathRPC : public TBaseDescribe<TDescribePathRPC, TEvDescribePathRequest, Ydb::Scheme::DescribePathResult> { 
-public: 
-    using TBaseDescribe<TDescribePathRPC, TEvDescribePathRequest, Ydb::Scheme::DescribePathResult>::TBaseDescribe; 
+class TDescribePathRPC : public TBaseDescribe<TDescribePathRPC, TEvDescribePathRequest, Ydb::Scheme::DescribePathResult> {
+public:
+    using TBaseDescribe<TDescribePathRPC, TEvDescribePathRequest, Ydb::Scheme::DescribePathResult>::TBaseDescribe;
 };
 
 void DoListDirectoryRequest(std::unique_ptr<IRequestOpCtx> p, const IFacilityProvider&) {
     TActivationContext::AsActorContext().Register(new TListDirectoryRPC(p.release()));
-} 
- 
+}
+
 void DoDescribePathRequest(std::unique_ptr<IRequestOpCtx> p, const IFacilityProvider&) {
     TActivationContext::AsActorContext().Register(new TDescribePathRPC(p.release()));
 }
diff --git a/ydb/core/grpc_services/rpc_describe_table.cpp b/ydb/core/grpc_services/rpc_describe_table.cpp
index b19d9125bd..261f10d467 100644
--- a/ydb/core/grpc_services/rpc_describe_table.cpp
+++ b/ydb/core/grpc_services/rpc_describe_table.cpp
@@ -82,7 +82,7 @@ private:
 
                 FillStorageSettings(describeTableResult, tableDescription);
                 FillColumnFamilies(describeTableResult, tableDescription);
-                FillAttributes(describeTableResult, pathDescription); 
+                FillAttributes(describeTableResult, pathDescription);
                 FillPartitioningSettings(describeTableResult, tableDescription);
                 FillKeyBloomFilter(describeTableResult, tableDescription);
                 FillReadReplicasSettings(describeTableResult, tableDescription);
@@ -114,7 +114,7 @@ private:
 
         std::unique_ptr<TEvTxUserProxy::TEvNavigate> navigateRequest(new TEvTxUserProxy::TEvNavigate());
         SetAuthToken(navigateRequest, *Request_);
-        SetDatabase(navigateRequest.get(), *Request_); 
+        SetDatabase(navigateRequest.get(), *Request_);
         NKikimrSchemeOp::TDescribePath* record = navigateRequest->Record.MutableDescribePath();
         record->SetPath(req->path());
         if (req->include_shard_key_bounds()) {
diff --git a/ydb/core/grpc_services/rpc_discovery.cpp b/ydb/core/grpc_services/rpc_discovery.cpp
index 743c819534..75550f92ac 100644
--- a/ydb/core/grpc_services/rpc_discovery.cpp
+++ b/ydb/core/grpc_services/rpc_discovery.cpp
@@ -47,12 +47,12 @@ namespace NDiscoveryPrivate {
         THashMap<TString, THolder<TEvStateStorage::TEvBoardInfo>> OldInfo;
         THashMap<TString, THolder<TEvStateStorage::TEvBoardInfo>> NewInfo;
 
-        struct TWaiter { 
+        struct TWaiter {
             TActorId ActorId;
-            ui64 Cookie; 
-        }; 
- 
-        THashMap<TString, TVector<TWaiter>> Requested; 
+            ui64 Cookie;
+        };
+
+        THashMap<TString, TVector<TWaiter>> Requested;
         bool Scheduled;
 
         void Handle(TEvStateStorage::TEvBoardInfo::TPtr &ev) {
@@ -62,7 +62,7 @@ namespace NDiscoveryPrivate {
             auto vecIt = Requested.find(path);
             if (vecIt != Requested.end()) {
                 for (auto &x : vecIt->second)
-                    Send(x.ActorId, new TEvStateStorage::TEvBoardInfo(*msg), 0, x.Cookie); 
+                    Send(x.ActorId, new TEvStateStorage::TEvBoardInfo(*msg), 0, x.Cookie);
                 Requested.erase(vecIt);
             }
 
@@ -89,12 +89,12 @@ namespace NDiscoveryPrivate {
         void Handle(TEvPrivate::TEvRequest::TPtr &ev) {
             auto *msg = ev->Get();
             if (auto *x = OldInfo.FindPtr(msg->Database)) {
-                Send(ev->Sender, new TEvStateStorage::TEvBoardInfo(**x), 0, ev->Cookie); 
+                Send(ev->Sender, new TEvStateStorage::TEvBoardInfo(**x), 0, ev->Cookie);
                 return;
             }
 
             if (auto *x = NewInfo.FindPtr(msg->Database)) {
-                Send(ev->Sender, new TEvStateStorage::TEvBoardInfo(**x), 0, ev->Cookie); 
+                Send(ev->Sender, new TEvStateStorage::TEvBoardInfo(**x), 0, ev->Cookie);
                 return;
             }
 
@@ -103,7 +103,7 @@ namespace NDiscoveryPrivate {
                 Register(CreateBoardLookupActor(msg->Database, SelfId(), msg->StateStorageId, EBoardLookupMode::Second, false, false));
             }
 
-            rqstd.push_back({ev->Sender, ev->Cookie}); 
+            rqstd.push_back({ev->Sender, ev->Cookie});
         }
     public:
         static constexpr NKikimrServices::TActivity::EType ActorActivityType() {
@@ -135,10 +135,10 @@ class TListEndpointsRPC : public TActorBootstrapped<TListEndpointsRPC> {
     THolder<TEvStateStorage::TEvBoardInfo> LookupResponse;
     THolder<TEvInterconnect::TEvNodeInfo> NameserviceResponse;
     THolder<TEvTxProxySchemeCache::TEvNavigateKeySetResult> SchemeCacheResponse;
- 
-    bool ResolveResources = false; 
-    ui64 LookupCookie = 0; 
- 
+
+    bool ResolveResources = false;
+    ui64 LookupCookie = 0;
+
 public:
     static constexpr NKikimrServices::TActivity::EType ActorActivityType() {
         return NKikimrServices::TActivity::GRPC_REQ;
@@ -151,14 +151,14 @@ public:
 
     void Bootstrap() {
         // request endpoints
-        Lookup(Request->GetProtoRequest()->database()); 
+        Lookup(Request->GetProtoRequest()->database());
 
         // request self node info
         Send(GetNameserviceActorId(), new TEvInterconnect::TEvGetNode(SelfId().NodeId()));
 
         // request path info
         if (RequestScheme) {
-            Navigate(Request->GetProtoRequest()->database()); 
+            Navigate(Request->GetProtoRequest()->database());
         }
 
         Become(&TThis::StateWait);
@@ -175,10 +175,10 @@ public:
     }
 
     void Handle(TEvStateStorage::TEvBoardInfo::TPtr &ev) {
-        if (ev->Cookie != LookupCookie) { 
-            return; 
-        } 
- 
+        if (ev->Cookie != LookupCookie) {
+            return;
+        }
+
         LookupResponse = THolder<TEvStateStorage::TEvBoardInfo>(ev->Release().Release());
 
         TryReplyAndDie();
@@ -201,7 +201,7 @@ public:
 
         LOG_TRACE_S(*TlsActivationContext, NKikimrServices::GRPC_PROXY,
                     "TListEndpointsRPC: handle  TEvNavigateKeySetResult"
-                        << ", entry: " << entry.ToString()); 
+                        << ", entry: " << entry.ToString());
 
         if (navigate->ErrorCount > 0) {
             switch (entry.Status) {
@@ -218,7 +218,7 @@ public:
                 {
                     LOG_DEBUG_S(*TlsActivationContext, NKikimrServices::GRPC_PROXY,
                                 "TListEndpointsRPC: GENERIC_RESOLVE_ERROR"
-                                    << ", entry: " << entry.ToString()); 
+                                    << ", entry: " << entry.ToString());
 
                     auto issue = MakeIssue(NKikimrIssues::TIssuesIds::GENERIC_RESOLVE_ERROR, "Database resolve failed with no certain result");
                     google::protobuf::RepeatedPtrField<TYdbIssueMessageType> issueMessages;
@@ -229,31 +229,31 @@ public:
             }
         }
 
-        if (!entry.DomainInfo) { 
-            LOG_DEBUG_S(*TlsActivationContext, NKikimrServices::GRPC_PROXY, 
-                        "TListEndpointsRPC: GENERIC_RESOLVE_ERROR (empty domain info)" 
-                            << ", entry: " << entry.ToString()); 
- 
-            auto issue = MakeIssue(NKikimrIssues::TIssuesIds::GENERIC_RESOLVE_ERROR, "Database resolve failed with no certain result"); 
-            google::protobuf::RepeatedPtrField<TYdbIssueMessageType> issueMessages; 
-            NYql::IssueToMessage(issue, issueMessages.Add()); 
-            Request->SendResult(Ydb::StatusIds::UNAVAILABLE, issueMessages); 
-            return PassAway(); 
-        } 
- 
-        auto info = entry.DomainInfo; 
-        if (info->DomainKey != info->ResourcesDomainKey) { 
-            LOG_DEBUG_S(*TlsActivationContext, NKikimrServices::GRPC_PROXY, 
-                        "TListEndpointsRPC: domain key differs from resources domain key" 
-                            << ", domain key: " << info->DomainKey 
-                            << ", resources domain key: " << info->ResourcesDomainKey); 
- 
-            Navigate(info->ResourcesDomainKey); 
-            ResolveResources = true; 
-        } else if (ResolveResources) { 
-            Lookup(CanonizePath(entry.Path)); 
-        } 
- 
+        if (!entry.DomainInfo) {
+            LOG_DEBUG_S(*TlsActivationContext, NKikimrServices::GRPC_PROXY,
+                        "TListEndpointsRPC: GENERIC_RESOLVE_ERROR (empty domain info)"
+                            << ", entry: " << entry.ToString());
+
+            auto issue = MakeIssue(NKikimrIssues::TIssuesIds::GENERIC_RESOLVE_ERROR, "Database resolve failed with no certain result");
+            google::protobuf::RepeatedPtrField<TYdbIssueMessageType> issueMessages;
+            NYql::IssueToMessage(issue, issueMessages.Add());
+            Request->SendResult(Ydb::StatusIds::UNAVAILABLE, issueMessages);
+            return PassAway();
+        }
+
+        auto info = entry.DomainInfo;
+        if (info->DomainKey != info->ResourcesDomainKey) {
+            LOG_DEBUG_S(*TlsActivationContext, NKikimrServices::GRPC_PROXY,
+                        "TListEndpointsRPC: domain key differs from resources domain key"
+                            << ", domain key: " << info->DomainKey
+                            << ", resources domain key: " << info->ResourcesDomainKey);
+
+            Navigate(info->ResourcesDomainKey);
+            ResolveResources = true;
+        } else if (ResolveResources) {
+            Lookup(CanonizePath(entry.Path));
+        }
+
         TryReplyAndDie();
     }
 
@@ -414,66 +414,66 @@ public:
         }
         return true;
     }
- 
-    void Lookup(const TString& db) { 
-        TVector<TString> path = NKikimr::SplitPath(db); 
-        auto domainName = path ? path[0] : TString(); 
-        auto *appdata = AppData(); 
-        auto *domainInfo = appdata->DomainsInfo->GetDomainByName(domainName); 
-        if (!domainInfo) { 
-            auto issue = MakeIssue(NKikimrIssues::TIssuesIds::DATABASE_NOT_EXIST, "Database " + domainName + " not exists"); 
-            google::protobuf::RepeatedPtrField<TYdbIssueMessageType> issueMessages; 
-            NYql::IssueToMessage(issue, issueMessages.Add()); 
-            Request->SendResult(Ydb::StatusIds::BAD_REQUEST, issueMessages); 
-            return PassAway(); 
-        } 
- 
-        TString database; 
-        for (auto &x : path) { 
-            if (x.size() > 4100) { 
-                auto issue = MakeIssue(NKikimrIssues::TIssuesIds::KEY_PARSE_ERROR, "Requested database name too long"); 
-                google::protobuf::RepeatedPtrField<TYdbIssueMessageType> issueMessages; 
-                NYql::IssueToMessage(issue, issueMessages.Add()); 
-                Request->SendResult(Ydb::StatusIds::BAD_REQUEST, issueMessages); 
-                return PassAway(); 
-            } 
-            database.append("/").append(x); 
-        } 
- 
-        // request endpoints 
-        auto stateStorageGroupId = domainInfo->DefaultStateStorageGroup; 
-        auto reqPath = MakeEndpointsBoardPath(database); 
- 
-        Send(CacheId, new NDiscoveryPrivate::TEvPrivate::TEvRequest(reqPath, stateStorageGroupId), 0, ++LookupCookie); 
-        LookupResponse.Reset(); 
-    } 
- 
-    void FillNavigateKey(const TString& path, NSchemeCache::TSchemeCacheNavigate::TEntry& entry) { 
-        entry.Path = NKikimr::SplitPath(path); 
-        entry.RequestType = NSchemeCache::TSchemeCacheNavigate::TEntry::ERequestType::ByPath; 
-    } 
- 
-    void FillNavigateKey(const TPathId& pathId, NSchemeCache::TSchemeCacheNavigate::TEntry& entry) { 
-        entry.TableId = TTableId(pathId.OwnerId, pathId.LocalPathId); 
-        entry.RequestType = NSchemeCache::TSchemeCacheNavigate::TEntry::ERequestType::ByTableId; 
-    } 
- 
-    template <typename T> 
-    void Navigate(const T& id) { 
-        LOG_TRACE_S(*TlsActivationContext, NKikimrServices::GRPC_PROXY, 
-                    "TListEndpointsRPC: make TEvNavigateKeySet request" 
-                        << ", path: " << id); 
- 
-        auto request = MakeHolder<NSchemeCache::TSchemeCacheNavigate>(); 
- 
-        request->ResultSet.emplace_back(); 
-        FillNavigateKey(id, request->ResultSet.back()); 
-        request->ResultSet.back().Operation = NSchemeCache::TSchemeCacheNavigate::OpPath; 
-        request->ResultSet.back().RedirectRequired = false; 
- 
-        Send(MakeSchemeCacheID(), new TEvTxProxySchemeCache::TEvNavigateKeySet(request.Release()), IEventHandle::FlagTrackDelivery); 
-        SchemeCacheResponse.Reset(); 
-    } 
+
+    void Lookup(const TString& db) {
+        TVector<TString> path = NKikimr::SplitPath(db);
+        auto domainName = path ? path[0] : TString();
+        auto *appdata = AppData();
+        auto *domainInfo = appdata->DomainsInfo->GetDomainByName(domainName);
+        if (!domainInfo) {
+            auto issue = MakeIssue(NKikimrIssues::TIssuesIds::DATABASE_NOT_EXIST, "Database " + domainName + " not exists");
+            google::protobuf::RepeatedPtrField<TYdbIssueMessageType> issueMessages;
+            NYql::IssueToMessage(issue, issueMessages.Add());
+            Request->SendResult(Ydb::StatusIds::BAD_REQUEST, issueMessages);
+            return PassAway();
+        }
+
+        TString database;
+        for (auto &x : path) {
+            if (x.size() > 4100) {
+                auto issue = MakeIssue(NKikimrIssues::TIssuesIds::KEY_PARSE_ERROR, "Requested database name too long");
+                google::protobuf::RepeatedPtrField<TYdbIssueMessageType> issueMessages;
+                NYql::IssueToMessage(issue, issueMessages.Add());
+                Request->SendResult(Ydb::StatusIds::BAD_REQUEST, issueMessages);
+                return PassAway();
+            }
+            database.append("/").append(x);
+        }
+
+        // request endpoints
+        auto stateStorageGroupId = domainInfo->DefaultStateStorageGroup;
+        auto reqPath = MakeEndpointsBoardPath(database);
+
+        Send(CacheId, new NDiscoveryPrivate::TEvPrivate::TEvRequest(reqPath, stateStorageGroupId), 0, ++LookupCookie);
+        LookupResponse.Reset();
+    }
+
+    void FillNavigateKey(const TString& path, NSchemeCache::TSchemeCacheNavigate::TEntry& entry) {
+        entry.Path = NKikimr::SplitPath(path);
+        entry.RequestType = NSchemeCache::TSchemeCacheNavigate::TEntry::ERequestType::ByPath;
+    }
+
+    void FillNavigateKey(const TPathId& pathId, NSchemeCache::TSchemeCacheNavigate::TEntry& entry) {
+        entry.TableId = TTableId(pathId.OwnerId, pathId.LocalPathId);
+        entry.RequestType = NSchemeCache::TSchemeCacheNavigate::TEntry::ERequestType::ByTableId;
+    }
+
+    template <typename T>
+    void Navigate(const T& id) {
+        LOG_TRACE_S(*TlsActivationContext, NKikimrServices::GRPC_PROXY,
+                    "TListEndpointsRPC: make TEvNavigateKeySet request"
+                        << ", path: " << id);
+
+        auto request = MakeHolder<NSchemeCache::TSchemeCacheNavigate>();
+
+        request->ResultSet.emplace_back();
+        FillNavigateKey(id, request->ResultSet.back());
+        request->ResultSet.back().Operation = NSchemeCache::TSchemeCacheNavigate::OpPath;
+        request->ResultSet.back().RedirectRequired = false;
+
+        Send(MakeSchemeCacheID(), new TEvTxProxySchemeCache::TEvNavigateKeySet(request.Release()), IEventHandle::FlagTrackDelivery);
+        SchemeCacheResponse.Reset();
+    }
 };
 
 void TGRpcRequestProxy::Handle(TEvListEndpointsRequest::TPtr& ev, const TActorContext& ctx) {
diff --git a/ydb/core/grpc_services/rpc_drop_coordination_node.cpp b/ydb/core/grpc_services/rpc_drop_coordination_node.cpp
index 8629e371a4..3632ec5872 100644
--- a/ydb/core/grpc_services/rpc_drop_coordination_node.cpp
+++ b/ydb/core/grpc_services/rpc_drop_coordination_node.cpp
@@ -38,7 +38,7 @@ private:
         const auto& workingDir = pathPair.first;
         const auto& name = pathPair.second;
 
-        std::unique_ptr<TEvTxUserProxy::TEvProposeTransaction> proposeRequest = CreateProposeTransaction(); 
+        std::unique_ptr<TEvTxUserProxy::TEvProposeTransaction> proposeRequest = CreateProposeTransaction();
         NKikimrTxUserProxy::TEvProposeTransaction& record = proposeRequest->Record;
         NKikimrSchemeOp::TModifyScheme* modifyScheme = record.MutableTransaction()->MutableModifyScheme();
         modifyScheme->SetWorkingDir(workingDir);
diff --git a/ydb/core/grpc_services/rpc_drop_table.cpp b/ydb/core/grpc_services/rpc_drop_table.cpp
index 06a580af09..27899a9d77 100644
--- a/ydb/core/grpc_services/rpc_drop_table.cpp
+++ b/ydb/core/grpc_services/rpc_drop_table.cpp
@@ -38,7 +38,7 @@ private:
         const auto& workingDir = pathPair.first;
         const auto& name = pathPair.second;
 
-        std::unique_ptr<TEvTxUserProxy::TEvProposeTransaction> proposeRequest = CreateProposeTransaction(); 
+        std::unique_ptr<TEvTxUserProxy::TEvProposeTransaction> proposeRequest = CreateProposeTransaction();
         NKikimrTxUserProxy::TEvProposeTransaction& record = proposeRequest->Record;
         NKikimrSchemeOp::TModifyScheme* modifyScheme = record.MutableTransaction()->MutableModifyScheme();
         modifyScheme->SetWorkingDir(workingDir);
diff --git a/ydb/core/grpc_services/rpc_execute_data_query.cpp b/ydb/core/grpc_services/rpc_execute_data_query.cpp
index 6aa3a8def3..317a3488ce 100644
--- a/ydb/core/grpc_services/rpc_execute_data_query.cpp
+++ b/ydb/core/grpc_services/rpc_execute_data_query.cpp
@@ -15,7 +15,7 @@ namespace NKikimr {
 namespace NGRpcService {
 
 using namespace NActors;
-using namespace NOperationId; 
+using namespace NOperationId;
 using namespace Ydb;
 using namespace Ydb::Table;
 using namespace NKqp;
diff --git a/ydb/core/grpc_services/rpc_export.cpp b/ydb/core/grpc_services/rpc_export.cpp
index 53e0b83ffc..f0fa7be3df 100644
--- a/ydb/core/grpc_services/rpc_export.cpp
+++ b/ydb/core/grpc_services/rpc_export.cpp
@@ -1,222 +1,222 @@
-#include "grpc_request_proxy.h" 
-#include "rpc_export_base.h" 
-#include "rpc_calls.h" 
-#include "rpc_operation_request_base.h" 
- 
+#include "grpc_request_proxy.h"
+#include "rpc_export_base.h"
+#include "rpc_calls.h"
+#include "rpc_operation_request_base.h"
+
 #include <ydb/core/tx/schemeshard/schemeshard_export.h>
- 
+
 #include <library/cpp/actors/core/hfunc.h>
- 
-#include <util/generic/ptr.h> 
-#include <util/string/builder.h> 
- 
-namespace NKikimr { 
-namespace NGRpcService { 
- 
-using namespace NActors; 
+
+#include <util/generic/ptr.h>
+#include <util/string/builder.h>
+
+namespace NKikimr {
+namespace NGRpcService {
+
+using namespace NActors;
 using namespace NSchemeShard;
-using namespace NKikimrIssues; 
-using namespace Ydb; 
- 
-template <typename TDerived, typename TEvRequest> 
-class TExportRPC: public TRpcOperationRequestActor<TDerived, TEvRequest, true>, public TExportConv { 
-    TStringBuf GetLogPrefix() const override { 
-        return "[CreateExport]"; 
-    } 
- 
-    IEventBase* MakeRequest() override { 
-        const auto& request = *this->Request->GetProtoRequest(); 
- 
-        auto ev = MakeHolder<TEvExport::TEvCreateExportRequest>(); 
-        ev->Record.SetTxId(this->TxId); 
-        ev->Record.SetDatabaseName(this->DatabaseName); 
-        if (this->UserToken) { 
-            ev->Record.SetUserSID(this->UserToken->GetUserSID()); 
-        } 
- 
-        auto& createExport = *ev->Record.MutableRequest(); 
-        createExport.MutableOperationParams()->CopyFrom(request.operation_params()); 
-        if (std::is_same_v<TEvRequest, TEvExportToYtRequest>) { 
-            createExport.MutableExportToYtSettings()->CopyFrom(request.settings()); 
-        } else if (std::is_same_v<TEvRequest, TEvExportToS3Request>) { 
-            createExport.MutableExportToS3Settings()->CopyFrom(request.settings()); 
-        } 
- 
-        return ev.Release(); 
-    } 
- 
-    template <typename TProtoSettings> 
-    static void ExtractPaths(TVector<TString>& paths, const TProtoSettings& settings) { 
-        paths.reserve(settings.items_size() + 1); 
-        for (const auto& item : settings.items()) { 
-            paths.emplace_back(item.source_path()); 
-        } 
-    } 
- 
-    TVector<TString> ExtractPaths() { 
-        TVector<TString> paths; 
- 
-        paths.emplace_back(this->DatabaseName); // first entry is database 
-        ExtractPaths(paths, this->Request->GetProtoRequest()->settings()); 
- 
-        return paths; 
-    } 
- 
-    void ResolvePaths(const TVector<TString>& paths) { 
-        Y_VERIFY(!paths.empty()); 
- 
-        auto request = MakeHolder<NSchemeCache::TSchemeCacheNavigate>(); 
-        request->DatabaseName = this->DatabaseName; 
- 
-        for (const auto& path : paths) { 
-            auto& entry = request->ResultSet.emplace_back(); 
-            entry.Operation = NSchemeCache::TSchemeCacheNavigate::OpPath; 
-            entry.Path = NKikimr::SplitPath(path); 
-            if (entry.Path.empty()) { 
-                return this->Reply(StatusIds::SCHEME_ERROR, TIssuesIds::GENERIC_RESOLVE_ERROR, "Cannot resolve empty path"); 
-            } 
-        } 
- 
-        this->Send(MakeSchemeCacheID(), new TEvTxProxySchemeCache::TEvNavigateKeySet(request.Release())); 
-        this->Become(&TDerived::StateResolvePaths); 
-    } 
- 
-    void Handle(TEvTxProxySchemeCache::TEvNavigateKeySetResult::TPtr& ev) { 
-        const auto& request = ev->Get()->Request; 
- 
-        LOG_D("Handle TEvTxProxySchemeCache::TEvNavigateKeySetResult" 
-            << ": request# " << (request ? request->ToString(*AppData()->TypeRegistry) : "nullptr")); 
- 
-        if (request->ResultSet.empty()) { 
-            return this->Reply(StatusIds::SCHEME_ERROR, TIssuesIds::GENERIC_RESOLVE_ERROR); 
-        } 
- 
-        if (request->ErrorCount > 0) { 
-            for (const auto& entry : request->ResultSet) { 
-                if (entry.Status == NSchemeCache::TSchemeCacheNavigate::EStatus::Ok) { 
-                    continue; 
-                } 
- 
-                StatusIds::StatusCode status; 
-                TIssuesIds::EIssueCode code; 
- 
-                switch (entry.Status) { 
-                case NSchemeCache::TSchemeCacheNavigate::EStatus::RootUnknown: 
-                case NSchemeCache::TSchemeCacheNavigate::EStatus::PathErrorUnknown: 
-                    status = StatusIds::SCHEME_ERROR; 
-                    code = TIssuesIds::PATH_NOT_EXIST; 
-                    break; 
-                case NSchemeCache::TSchemeCacheNavigate::EStatus::LookupError: 
-                case NSchemeCache::TSchemeCacheNavigate::EStatus::RedirectLookupError: 
-                    status = StatusIds::UNAVAILABLE; 
-                    code = TIssuesIds::RESOLVE_LOOKUP_ERROR; 
-                    break; 
-                default: 
-                    status = StatusIds::SCHEME_ERROR; 
-                    code = TIssuesIds::GENERIC_RESOLVE_ERROR; 
-                    break; 
-                } 
- 
-                return this->Reply(status, code, TStringBuilder() << "Cannot resolve path" 
-                    << ": path# " << CanonizePath(entry.Path) 
-                    << ", status# " << entry.Status); 
-            } 
-        } 
- 
-        TString error; 
- 
-        if (this->UserToken) { 
-            bool isDatabase = true; // first entry is database 
- 
-            for (const auto& entry : request->ResultSet) { 
-                const ui32 access = isDatabase ? NACLib::GenericRead | NACLib::GenericWrite : NACLib::SelectRow; 
-                if (!this->CheckAccess(CanonizePath(entry.Path), entry.SecurityObject, access)) { 
-                    return; 
-                } 
- 
-                isDatabase = false; 
-            } 
-        } 
- 
-        NSchemeCache::TDomainInfo::TPtr domainInfo; 
-        for (const auto& entry : request->ResultSet) { 
-            if (!entry.DomainInfo) { 
-                LOG_E("Got empty domain info"); 
-                return this->Reply(StatusIds::INTERNAL_ERROR, TIssuesIds::GENERIC_RESOLVE_ERROR); 
-            } 
- 
-            if (!domainInfo) { 
-                domainInfo = entry.DomainInfo; 
-                continue; 
-            } 
- 
-            if (domainInfo->DomainKey != entry.DomainInfo->DomainKey) { 
-                return this->Reply(StatusIds::SCHEME_ERROR, TIssuesIds::DOMAIN_LOCALITY_ERROR, 
-                    TStringBuilder() << "Failed locality check" 
-                        << ": expected# " << domainInfo->DomainKey 
-                        << ", actual# " << entry.DomainInfo->DomainKey); 
-            } 
-        } 
- 
-        this->AllocateTxId(); 
-        this->Become(&TDerived::StateWait); 
-    } 
- 
-    void Handle(TEvExport::TEvCreateExportResponse::TPtr& ev) { 
-        const auto& record = ev->Get()->Record.GetResponse(); 
- 
-        LOG_D("Handle TEvExport::TEvCreateExportResponse" 
-            << ": record# " << record.ShortDebugString()); 
- 
-        this->Reply(TExportConv::ToOperation(record.GetEntry())); 
-    } 
- 
-public: 
-    using TRpcOperationRequestActor<TDerived, TEvRequest, true>::TRpcOperationRequestActor; 
- 
-    void Bootstrap(const TActorContext&) { 
-        const auto& request = *this->Request->GetProtoRequest(); 
- 
-        if (request.settings().items().empty()) { 
-            return this->Reply(StatusIds::BAD_REQUEST, TIssuesIds::DEFAULT_ERROR, "Items are not set"); 
-        } 
- 
-        ResolvePaths(ExtractPaths()); 
-    } 
- 
-    STATEFN(StateResolvePaths) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvTxProxySchemeCache::TEvNavigateKeySetResult, Handle); 
-        } 
-    } 
- 
-    STATEFN(StateWait) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvExport::TEvCreateExportResponse, Handle); 
-        default: 
-            return this->StateBase(ev, TlsActivationContext->AsActorContext()); 
-        } 
-    } 
- 
-}; // TExportRPC 
- 
-class TExportToYtRPC: public TExportRPC<TExportToYtRPC, TEvExportToYtRequest> { 
-public: 
-    using TExportRPC::TExportRPC; 
-}; 
- 
-class TExportToS3RPC: public TExportRPC<TExportToS3RPC, TEvExportToS3Request> { 
-public: 
-    using TExportRPC::TExportRPC; 
-}; 
- 
-void TGRpcRequestProxy::Handle(TEvExportToYtRequest::TPtr& ev, const TActorContext& ctx) { 
-    ctx.Register(new TExportToYtRPC(ev->Release().Release())); 
-} 
- 
-void TGRpcRequestProxy::Handle(TEvExportToS3Request::TPtr& ev, const TActorContext& ctx) { 
-    ctx.Register(new TExportToS3RPC(ev->Release().Release())); 
-} 
- 
-} // namespace NGRpcService 
-} // namespace NKikimr 
+using namespace NKikimrIssues;
+using namespace Ydb;
+
+template <typename TDerived, typename TEvRequest>
+class TExportRPC: public TRpcOperationRequestActor<TDerived, TEvRequest, true>, public TExportConv {
+    TStringBuf GetLogPrefix() const override {
+        return "[CreateExport]";
+    }
+
+    IEventBase* MakeRequest() override {
+        const auto& request = *this->Request->GetProtoRequest();
+
+        auto ev = MakeHolder<TEvExport::TEvCreateExportRequest>();
+        ev->Record.SetTxId(this->TxId);
+        ev->Record.SetDatabaseName(this->DatabaseName);
+        if (this->UserToken) {
+            ev->Record.SetUserSID(this->UserToken->GetUserSID());
+        }
+
+        auto& createExport = *ev->Record.MutableRequest();
+        createExport.MutableOperationParams()->CopyFrom(request.operation_params());
+        if (std::is_same_v<TEvRequest, TEvExportToYtRequest>) {
+            createExport.MutableExportToYtSettings()->CopyFrom(request.settings());
+        } else if (std::is_same_v<TEvRequest, TEvExportToS3Request>) {
+            createExport.MutableExportToS3Settings()->CopyFrom(request.settings());
+        }
+
+        return ev.Release();
+    }
+
+    template <typename TProtoSettings>
+    static void ExtractPaths(TVector<TString>& paths, const TProtoSettings& settings) {
+        paths.reserve(settings.items_size() + 1);
+        for (const auto& item : settings.items()) {
+            paths.emplace_back(item.source_path());
+        }
+    }
+
+    TVector<TString> ExtractPaths() {
+        TVector<TString> paths;
+
+        paths.emplace_back(this->DatabaseName); // first entry is database
+        ExtractPaths(paths, this->Request->GetProtoRequest()->settings());
+
+        return paths;
+    }
+
+    void ResolvePaths(const TVector<TString>& paths) {
+        Y_VERIFY(!paths.empty());
+
+        auto request = MakeHolder<NSchemeCache::TSchemeCacheNavigate>();
+        request->DatabaseName = this->DatabaseName;
+
+        for (const auto& path : paths) {
+            auto& entry = request->ResultSet.emplace_back();
+            entry.Operation = NSchemeCache::TSchemeCacheNavigate::OpPath;
+            entry.Path = NKikimr::SplitPath(path);
+            if (entry.Path.empty()) {
+                return this->Reply(StatusIds::SCHEME_ERROR, TIssuesIds::GENERIC_RESOLVE_ERROR, "Cannot resolve empty path");
+            }
+        }
+
+        this->Send(MakeSchemeCacheID(), new TEvTxProxySchemeCache::TEvNavigateKeySet(request.Release()));
+        this->Become(&TDerived::StateResolvePaths);
+    }
+
+    void Handle(TEvTxProxySchemeCache::TEvNavigateKeySetResult::TPtr& ev) {
+        const auto& request = ev->Get()->Request;
+
+        LOG_D("Handle TEvTxProxySchemeCache::TEvNavigateKeySetResult"
+            << ": request# " << (request ? request->ToString(*AppData()->TypeRegistry) : "nullptr"));
+
+        if (request->ResultSet.empty()) {
+            return this->Reply(StatusIds::SCHEME_ERROR, TIssuesIds::GENERIC_RESOLVE_ERROR);
+        }
+
+        if (request->ErrorCount > 0) {
+            for (const auto& entry : request->ResultSet) {
+                if (entry.Status == NSchemeCache::TSchemeCacheNavigate::EStatus::Ok) {
+                    continue;
+                }
+
+                StatusIds::StatusCode status;
+                TIssuesIds::EIssueCode code;
+
+                switch (entry.Status) {
+                case NSchemeCache::TSchemeCacheNavigate::EStatus::RootUnknown:
+                case NSchemeCache::TSchemeCacheNavigate::EStatus::PathErrorUnknown:
+                    status = StatusIds::SCHEME_ERROR;
+                    code = TIssuesIds::PATH_NOT_EXIST;
+                    break;
+                case NSchemeCache::TSchemeCacheNavigate::EStatus::LookupError:
+                case NSchemeCache::TSchemeCacheNavigate::EStatus::RedirectLookupError:
+                    status = StatusIds::UNAVAILABLE;
+                    code = TIssuesIds::RESOLVE_LOOKUP_ERROR;
+                    break;
+                default:
+                    status = StatusIds::SCHEME_ERROR;
+                    code = TIssuesIds::GENERIC_RESOLVE_ERROR;
+                    break;
+                }
+
+                return this->Reply(status, code, TStringBuilder() << "Cannot resolve path"
+                    << ": path# " << CanonizePath(entry.Path)
+                    << ", status# " << entry.Status);
+            }
+        }
+
+        TString error;
+
+        if (this->UserToken) {
+            bool isDatabase = true; // first entry is database
+
+            for (const auto& entry : request->ResultSet) {
+                const ui32 access = isDatabase ? NACLib::GenericRead | NACLib::GenericWrite : NACLib::SelectRow;
+                if (!this->CheckAccess(CanonizePath(entry.Path), entry.SecurityObject, access)) {
+                    return;
+                }
+
+                isDatabase = false;
+            }
+        }
+
+        NSchemeCache::TDomainInfo::TPtr domainInfo;
+        for (const auto& entry : request->ResultSet) {
+            if (!entry.DomainInfo) {
+                LOG_E("Got empty domain info");
+                return this->Reply(StatusIds::INTERNAL_ERROR, TIssuesIds::GENERIC_RESOLVE_ERROR);
+            }
+
+            if (!domainInfo) {
+                domainInfo = entry.DomainInfo;
+                continue;
+            }
+
+            if (domainInfo->DomainKey != entry.DomainInfo->DomainKey) {
+                return this->Reply(StatusIds::SCHEME_ERROR, TIssuesIds::DOMAIN_LOCALITY_ERROR,
+                    TStringBuilder() << "Failed locality check"
+                        << ": expected# " << domainInfo->DomainKey
+                        << ", actual# " << entry.DomainInfo->DomainKey);
+            }
+        }
+
+        this->AllocateTxId();
+        this->Become(&TDerived::StateWait);
+    }
+
+    void Handle(TEvExport::TEvCreateExportResponse::TPtr& ev) {
+        const auto& record = ev->Get()->Record.GetResponse();
+
+        LOG_D("Handle TEvExport::TEvCreateExportResponse"
+            << ": record# " << record.ShortDebugString());
+
+        this->Reply(TExportConv::ToOperation(record.GetEntry()));
+    }
+
+public:
+    using TRpcOperationRequestActor<TDerived, TEvRequest, true>::TRpcOperationRequestActor;
+
+    void Bootstrap(const TActorContext&) {
+        const auto& request = *this->Request->GetProtoRequest();
+
+        if (request.settings().items().empty()) {
+            return this->Reply(StatusIds::BAD_REQUEST, TIssuesIds::DEFAULT_ERROR, "Items are not set");
+        }
+
+        ResolvePaths(ExtractPaths());
+    }
+
+    STATEFN(StateResolvePaths) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvTxProxySchemeCache::TEvNavigateKeySetResult, Handle);
+        }
+    }
+
+    STATEFN(StateWait) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvExport::TEvCreateExportResponse, Handle);
+        default:
+            return this->StateBase(ev, TlsActivationContext->AsActorContext());
+        }
+    }
+
+}; // TExportRPC
+
+class TExportToYtRPC: public TExportRPC<TExportToYtRPC, TEvExportToYtRequest> {
+public:
+    using TExportRPC::TExportRPC;
+};
+
+class TExportToS3RPC: public TExportRPC<TExportToS3RPC, TEvExportToS3Request> {
+public:
+    using TExportRPC::TExportRPC;
+};
+
+void TGRpcRequestProxy::Handle(TEvExportToYtRequest::TPtr& ev, const TActorContext& ctx) {
+    ctx.Register(new TExportToYtRPC(ev->Release().Release()));
+}
+
+void TGRpcRequestProxy::Handle(TEvExportToS3Request::TPtr& ev, const TActorContext& ctx) {
+    ctx.Register(new TExportToS3RPC(ev->Release().Release()));
+}
+
+} // namespace NGRpcService
+} // namespace NKikimr
diff --git a/ydb/core/grpc_services/rpc_export_base.h b/ydb/core/grpc_services/rpc_export_base.h
index af2c7a5552..1004b93e98 100644
--- a/ydb/core/grpc_services/rpc_export_base.h
+++ b/ydb/core/grpc_services/rpc_export_base.h
@@ -1,82 +1,82 @@
-#pragma once 
- 
+#pragma once
+
 #include <ydb/core/protos/export.pb.h>
 #include <ydb/public/api/protos/ydb_operation.pb.h>
 #include <ydb/public/lib/operation_id/operation_id.h>
- 
-#include <util/string/cast.h> 
- 
-namespace NKikimr { 
-namespace NGRpcService { 
- 
-struct TExportConv { 
-    static Ydb::TOperationId MakeOperationId(const ui64 id, NKikimrExport::TExport::SettingsCase kind) { 
-        Ydb::TOperationId operationId; 
-        operationId.SetKind(Ydb::TOperationId::EXPORT); 
-        NOperationId::AddOptionalValue(operationId, "id", ToString(id)); 
- 
-        switch (kind) { 
-        case NKikimrExport::TExport::kExportToYtSettings: 
-            NOperationId::AddOptionalValue(operationId, "kind", "yt"); 
-            break; 
-        case NKikimrExport::TExport::kExportToS3Settings: 
-            NOperationId::AddOptionalValue(operationId, "kind", "s3"); 
-            break; 
-        default: 
-            Y_VERIFY_DEBUG(false, "Unknown export kind"); 
-            break; 
-        } 
- 
-        return operationId; 
-    } 
- 
-    static Ydb::Operations::Operation ToOperation(const NKikimrExport::TExport& exprt) { 
-        Ydb::Operations::Operation operation; 
- 
-        operation.set_id(NOperationId::ProtoToString(MakeOperationId(exprt.GetId(), exprt.GetSettingsCase()))); 
-        operation.set_status(exprt.GetStatus()); 
-        if (operation.status() == Ydb::StatusIds::SUCCESS) { 
-            operation.set_ready(exprt.GetProgress() == Ydb::Export::ExportProgress::PROGRESS_DONE); 
-        } else { 
-            operation.set_ready(true); 
-        } 
-        if (exprt.IssuesSize()) { 
-            operation.mutable_issues()->CopyFrom(exprt.GetIssues()); 
-        } 
- 
-        using namespace Ydb::Export; 
-        switch (exprt.GetSettingsCase()) { 
-        case NKikimrExport::TExport::kExportToYtSettings: 
-            Fill<ExportToYtMetadata, ExportToYtResult>(operation, exprt, exprt.GetExportToYtSettings()); 
-            break; 
-        case NKikimrExport::TExport::kExportToS3Settings: 
-            Fill<ExportToS3Metadata, ExportToS3Result>(operation, exprt, exprt.GetExportToS3Settings()); 
-            break; 
-        default: 
-            Y_VERIFY_DEBUG(false, "Unknown export kind"); 
-            break; 
-        } 
- 
-        return operation; 
-    } 
- 
-private: 
-    template <typename TMetadata, typename TResult, typename TSettings> 
-    static void Fill( 
-            Ydb::Operations::Operation& operation, 
-            const NKikimrExport::TExport& exprt, 
-            const TSettings& settings) { 
-        TMetadata metadata; 
-        metadata.mutable_settings()->CopyFrom(settings); 
-        metadata.set_progress(exprt.GetProgress()); 
-        metadata.mutable_items_progress()->CopyFrom(exprt.GetItemsProgress()); 
-        operation.mutable_metadata()->PackFrom(metadata); 
- 
-        TResult result; 
-        operation.mutable_result()->PackFrom(result); 
-    } 
- 
-}; // TExportConv 
- 
-} // namespace NGRpcService 
-} // namespace NKikimr 
+
+#include <util/string/cast.h>
+
+namespace NKikimr {
+namespace NGRpcService {
+
+struct TExportConv {
+    static Ydb::TOperationId MakeOperationId(const ui64 id, NKikimrExport::TExport::SettingsCase kind) {
+        Ydb::TOperationId operationId;
+        operationId.SetKind(Ydb::TOperationId::EXPORT);
+        NOperationId::AddOptionalValue(operationId, "id", ToString(id));
+
+        switch (kind) {
+        case NKikimrExport::TExport::kExportToYtSettings:
+            NOperationId::AddOptionalValue(operationId, "kind", "yt");
+            break;
+        case NKikimrExport::TExport::kExportToS3Settings:
+            NOperationId::AddOptionalValue(operationId, "kind", "s3");
+            break;
+        default:
+            Y_VERIFY_DEBUG(false, "Unknown export kind");
+            break;
+        }
+
+        return operationId;
+    }
+
+    static Ydb::Operations::Operation ToOperation(const NKikimrExport::TExport& exprt) {
+        Ydb::Operations::Operation operation;
+
+        operation.set_id(NOperationId::ProtoToString(MakeOperationId(exprt.GetId(), exprt.GetSettingsCase())));
+        operation.set_status(exprt.GetStatus());
+        if (operation.status() == Ydb::StatusIds::SUCCESS) {
+            operation.set_ready(exprt.GetProgress() == Ydb::Export::ExportProgress::PROGRESS_DONE);
+        } else {
+            operation.set_ready(true);
+        }
+        if (exprt.IssuesSize()) {
+            operation.mutable_issues()->CopyFrom(exprt.GetIssues());
+        }
+
+        using namespace Ydb::Export;
+        switch (exprt.GetSettingsCase()) {
+        case NKikimrExport::TExport::kExportToYtSettings:
+            Fill<ExportToYtMetadata, ExportToYtResult>(operation, exprt, exprt.GetExportToYtSettings());
+            break;
+        case NKikimrExport::TExport::kExportToS3Settings:
+            Fill<ExportToS3Metadata, ExportToS3Result>(operation, exprt, exprt.GetExportToS3Settings());
+            break;
+        default:
+            Y_VERIFY_DEBUG(false, "Unknown export kind");
+            break;
+        }
+
+        return operation;
+    }
+
+private:
+    template <typename TMetadata, typename TResult, typename TSettings>
+    static void Fill(
+            Ydb::Operations::Operation& operation,
+            const NKikimrExport::TExport& exprt,
+            const TSettings& settings) {
+        TMetadata metadata;
+        metadata.mutable_settings()->CopyFrom(settings);
+        metadata.set_progress(exprt.GetProgress());
+        metadata.mutable_items_progress()->CopyFrom(exprt.GetItemsProgress());
+        operation.mutable_metadata()->PackFrom(metadata);
+
+        TResult result;
+        operation.mutable_result()->PackFrom(result);
+    }
+
+}; // TExportConv
+
+} // namespace NGRpcService
+} // namespace NKikimr
diff --git a/ydb/core/grpc_services/rpc_forget_operation.cpp b/ydb/core/grpc_services/rpc_forget_operation.cpp
index 64c61b5e3f..8b250125ca 100644
--- a/ydb/core/grpc_services/rpc_forget_operation.cpp
+++ b/ydb/core/grpc_services/rpc_forget_operation.cpp
@@ -1,127 +1,127 @@
-#include "grpc_request_proxy.h" 
-#include "operation_helpers.h" 
-#include "rpc_calls.h" 
-#include "rpc_operation_request_base.h" 
- 
+#include "grpc_request_proxy.h"
+#include "operation_helpers.h"
+#include "rpc_calls.h"
+#include "rpc_operation_request_base.h"
+
 #include <ydb/core/tx/schemeshard/schemeshard_build_index.h>
 #include <ydb/core/tx/schemeshard/schemeshard_export.h>
 #include <ydb/core/tx/schemeshard/schemeshard_import.h>
 #include <ydb/public/lib/operation_id/operation_id.h>
- 
+
 #include <library/cpp/actors/core/hfunc.h>
- 
-namespace NKikimr { 
-namespace NGRpcService { 
- 
-using namespace NActors; 
+
+namespace NKikimr {
+namespace NGRpcService {
+
+using namespace NActors;
 using namespace NSchemeShard;
-using namespace NKikimrIssues; 
-using namespace NOperationId; 
-using namespace Ydb; 
- 
-class TForgetOperationRPC: public TRpcOperationRequestActor<TForgetOperationRPC, TEvForgetOperationRequest> { 
-    TStringBuf GetLogPrefix() const override { 
-        switch (OperationId.GetKind()) { 
-        case TOperationId::EXPORT: 
-            return "[ForgetExport]"; 
-        case TOperationId::IMPORT: 
-            return "[ForgetImport]"; 
-        case TOperationId::BUILD_INDEX: 
-            return "[ForgetIndexBuild]"; 
-        default: 
-            return "[Untagged]"; 
-        } 
-    } 
- 
-    IEventBase* MakeRequest() override { 
-        switch (OperationId.GetKind()) { 
-        case TOperationId::EXPORT: 
-            return new TEvExport::TEvForgetExportRequest(TxId, DatabaseName, RawOperationId); 
-        case TOperationId::IMPORT: 
-            return new TEvImport::TEvForgetImportRequest(TxId, DatabaseName, RawOperationId); 
-        case TOperationId::BUILD_INDEX: 
-            return new TEvIndexBuilder::TEvForgetRequest(TxId, DatabaseName, RawOperationId); 
-        default: 
-            Y_FAIL("unreachable"); 
-        } 
-    } 
- 
-    void Handle(TEvExport::TEvForgetExportResponse::TPtr& ev) { 
-        const auto& record = ev->Get()->Record.GetResponse(); 
- 
-        LOG_D("Handle TEvExport::TEvForgetExportResponse" 
-            << ": record# " << record.ShortDebugString()); 
- 
-        Reply(record.GetStatus(), record.GetIssues()); 
-    } 
- 
-    void Handle(TEvImport::TEvForgetImportResponse::TPtr& ev) { 
-        const auto& record = ev->Get()->Record.GetResponse(); 
- 
-        LOG_D("Handle TEvImport::TEvForgetImportResponse" 
-            << ": record# " << record.ShortDebugString()); 
- 
-        Reply(record.GetStatus(), record.GetIssues()); 
-    } 
- 
-    void Handle(TEvIndexBuilder::TEvForgetResponse::TPtr& ev) { 
-        const auto& record = ev->Get()->Record; 
- 
-        LOG_D("Handle TEvIndexBuilder::TEvForgetResponse" 
-            << ": record# " << record.ShortDebugString()); 
- 
-        Reply(record.GetStatus(), record.GetIssues()); 
-    } 
- 
-public: 
-    using TRpcOperationRequestActor::TRpcOperationRequestActor; 
- 
-    void Bootstrap() { 
-        const TString& id = Request->GetProtoRequest()->id(); 
- 
-        try { 
+using namespace NKikimrIssues;
+using namespace NOperationId;
+using namespace Ydb;
+
+class TForgetOperationRPC: public TRpcOperationRequestActor<TForgetOperationRPC, TEvForgetOperationRequest> {
+    TStringBuf GetLogPrefix() const override {
+        switch (OperationId.GetKind()) {
+        case TOperationId::EXPORT:
+            return "[ForgetExport]";
+        case TOperationId::IMPORT:
+            return "[ForgetImport]";
+        case TOperationId::BUILD_INDEX:
+            return "[ForgetIndexBuild]";
+        default:
+            return "[Untagged]";
+        }
+    }
+
+    IEventBase* MakeRequest() override {
+        switch (OperationId.GetKind()) {
+        case TOperationId::EXPORT:
+            return new TEvExport::TEvForgetExportRequest(TxId, DatabaseName, RawOperationId);
+        case TOperationId::IMPORT:
+            return new TEvImport::TEvForgetImportRequest(TxId, DatabaseName, RawOperationId);
+        case TOperationId::BUILD_INDEX:
+            return new TEvIndexBuilder::TEvForgetRequest(TxId, DatabaseName, RawOperationId);
+        default:
+            Y_FAIL("unreachable");
+        }
+    }
+
+    void Handle(TEvExport::TEvForgetExportResponse::TPtr& ev) {
+        const auto& record = ev->Get()->Record.GetResponse();
+
+        LOG_D("Handle TEvExport::TEvForgetExportResponse"
+            << ": record# " << record.ShortDebugString());
+
+        Reply(record.GetStatus(), record.GetIssues());
+    }
+
+    void Handle(TEvImport::TEvForgetImportResponse::TPtr& ev) {
+        const auto& record = ev->Get()->Record.GetResponse();
+
+        LOG_D("Handle TEvImport::TEvForgetImportResponse"
+            << ": record# " << record.ShortDebugString());
+
+        Reply(record.GetStatus(), record.GetIssues());
+    }
+
+    void Handle(TEvIndexBuilder::TEvForgetResponse::TPtr& ev) {
+        const auto& record = ev->Get()->Record;
+
+        LOG_D("Handle TEvIndexBuilder::TEvForgetResponse"
+            << ": record# " << record.ShortDebugString());
+
+        Reply(record.GetStatus(), record.GetIssues());
+    }
+
+public:
+    using TRpcOperationRequestActor::TRpcOperationRequestActor;
+
+    void Bootstrap() {
+        const TString& id = Request->GetProtoRequest()->id();
+
+        try {
             OperationId = TOperationId(id);
- 
+
             switch (OperationId.GetKind()) {
-            case TOperationId::EXPORT: 
-            case TOperationId::IMPORT: 
-            case TOperationId::BUILD_INDEX: 
-                if (!TryGetId(OperationId, RawOperationId)) { 
-                    return Reply(StatusIds::BAD_REQUEST, TIssuesIds::DEFAULT_ERROR, "Unable to extract operation id"); 
-                } 
-                break; 
- 
-            default: 
-                return Reply(StatusIds::UNSUPPORTED, TIssuesIds::DEFAULT_ERROR, "Unknown operation kind"); 
-            } 
- 
-            AllocateTxId(); 
-        } catch (const yexception&) { 
-            return Reply(StatusIds::BAD_REQUEST, TIssuesIds::DEFAULT_ERROR, "Invalid operation id"); 
-        } 
- 
-        Become(&TForgetOperationRPC::StateWait); 
-    } 
- 
-    STATEFN(StateWait) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvExport::TEvForgetExportResponse, Handle); 
-            hFunc(TEvImport::TEvForgetImportResponse, Handle); 
-            hFunc(TEvIndexBuilder::TEvForgetResponse, Handle); 
-        default: 
-            return StateBase(ev, TlsActivationContext->AsActorContext()); 
+            case TOperationId::EXPORT:
+            case TOperationId::IMPORT:
+            case TOperationId::BUILD_INDEX:
+                if (!TryGetId(OperationId, RawOperationId)) {
+                    return Reply(StatusIds::BAD_REQUEST, TIssuesIds::DEFAULT_ERROR, "Unable to extract operation id");
+                }
+                break;
+
+            default:
+                return Reply(StatusIds::UNSUPPORTED, TIssuesIds::DEFAULT_ERROR, "Unknown operation kind");
+            }
+
+            AllocateTxId();
+        } catch (const yexception&) {
+            return Reply(StatusIds::BAD_REQUEST, TIssuesIds::DEFAULT_ERROR, "Invalid operation id");
+        }
+
+        Become(&TForgetOperationRPC::StateWait);
+    }
+
+    STATEFN(StateWait) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvExport::TEvForgetExportResponse, Handle);
+            hFunc(TEvImport::TEvForgetImportResponse, Handle);
+            hFunc(TEvIndexBuilder::TEvForgetResponse, Handle);
+        default:
+            return StateBase(ev, TlsActivationContext->AsActorContext());
         }
     }
 
 private:
-    TOperationId OperationId; 
+    TOperationId OperationId;
     ui64 RawOperationId = 0;
- 
-}; // TForgetOperationRPC 
- 
-void TGRpcRequestProxy::Handle(TEvForgetOperationRequest::TPtr& ev, const TActorContext& ctx) { 
-    ctx.Register(new TForgetOperationRPC(ev->Release().Release())); 
-} 
- 
-} // namespace NGRpcService 
-} // namespace NKikimr 
+
+}; // TForgetOperationRPC
+
+void TGRpcRequestProxy::Handle(TEvForgetOperationRequest::TPtr& ev, const TActorContext& ctx) {
+    ctx.Register(new TForgetOperationRPC(ev->Release().Release()));
+}
+
+} // namespace NGRpcService
+} // namespace NKikimr
diff --git a/ydb/core/grpc_services/rpc_get_operation.cpp b/ydb/core/grpc_services/rpc_get_operation.cpp
index ab66b13cc5..6f7a140686 100644
--- a/ydb/core/grpc_services/rpc_get_operation.cpp
+++ b/ydb/core/grpc_services/rpc_get_operation.cpp
@@ -1,8 +1,8 @@
 #include "grpc_request_proxy.h"
-#include "operation_helpers.h" 
-#include "rpc_export_base.h" 
-#include "rpc_import_base.h" 
-#include "rpc_operation_request_base.h" 
+#include "operation_helpers.h"
+#include "rpc_export_base.h"
+#include "rpc_import_base.h"
+#include "rpc_operation_request_base.h"
 
 #include <google/protobuf/text_format.h>
 
@@ -17,79 +17,79 @@
 #include <ydb/public/lib/operation_id/operation_id.h>
 
 #include <library/cpp/actors/core/hfunc.h>
- 
+
 #include <util/string/cast.h>
 
 namespace NKikimr {
 namespace NGRpcService {
 
 using namespace NActors;
-using namespace NOperationId; 
+using namespace NOperationId;
 using namespace Ydb;
 
-class TGetOperationRPC : public TRpcOperationRequestActor<TGetOperationRPC, TEvGetOperationRequest, true>, 
-                         public TExportConv { 
-
-    TStringBuf GetLogPrefix() const override { 
-        switch (OperationId_.GetKind()) { 
-        case TOperationId::EXPORT: 
-            return "[GetExport]"; 
-        case TOperationId::IMPORT: 
-            return "[GetImport]"; 
-        case TOperationId::BUILD_INDEX: 
-            return "[GetIndexBuild]"; 
-        default: 
-            return "[Untagged]"; 
+class TGetOperationRPC : public TRpcOperationRequestActor<TGetOperationRPC, TEvGetOperationRequest, true>,
+                         public TExportConv {
+
+    TStringBuf GetLogPrefix() const override {
+        switch (OperationId_.GetKind()) {
+        case TOperationId::EXPORT:
+            return "[GetExport]";
+        case TOperationId::IMPORT:
+            return "[GetImport]";
+        case TOperationId::BUILD_INDEX:
+            return "[GetIndexBuild]";
+        default:
+            return "[Untagged]";
         }
-    } 
+    }
 
-    IEventBase* MakeRequest() override { 
-        switch (OperationId_.GetKind()) { 
-        case TOperationId::EXPORT: 
+    IEventBase* MakeRequest() override {
+        switch (OperationId_.GetKind()) {
+        case TOperationId::EXPORT:
             return new NSchemeShard::TEvExport::TEvGetExportRequest(DatabaseName, RawOperationId_);
-        case TOperationId::IMPORT: 
+        case TOperationId::IMPORT:
             return new NSchemeShard::TEvImport::TEvGetImportRequest(DatabaseName, RawOperationId_);
-        case TOperationId::BUILD_INDEX: 
+        case TOperationId::BUILD_INDEX:
             return new NSchemeShard::TEvIndexBuilder::TEvGetRequest(DatabaseName, RawOperationId_);
-        default: 
-            Y_FAIL("unreachable"); 
-        } 
-    } 
- 
-    void PassAway() override { 
+        default:
+            Y_FAIL("unreachable");
+        }
+    }
+
+    void PassAway() override {
         if (PipeActorId_) {
             NTabletPipe::CloseClient(SelfId(), PipeActorId_);
             PipeActorId_ = TActorId();
         }
 
-        TRpcOperationRequestActor::PassAway(); 
+        TRpcOperationRequestActor::PassAway();
     }
 
 public:
-    using TRpcOperationRequestActor::TRpcOperationRequestActor; 
+    using TRpcOperationRequestActor::TRpcOperationRequestActor;
 
     void Bootstrap(const TActorContext &ctx) {
-        const auto req = Request->GetProtoRequest(); 
+        const auto req = Request->GetProtoRequest();
 
         try {
             OperationId_ = TOperationId(req->id());
- 
+
             switch (OperationId_.GetKind()) {
-            case TOperationId::CMS_REQUEST: 
+            case TOperationId::CMS_REQUEST:
                 SendCheckCmsOperation(ctx);
-                break; 
-            case TOperationId::EXPORT: 
-            case TOperationId::IMPORT: 
-            case TOperationId::BUILD_INDEX: 
-                if (!TryGetId(OperationId_, RawOperationId_)) { 
-                    return ReplyWithStatus(StatusIds::BAD_REQUEST); 
-                } 
-                ResolveDatabase(); 
-                break; 
-            default: 
+                break;
+            case TOperationId::EXPORT:
+            case TOperationId::IMPORT:
+            case TOperationId::BUILD_INDEX:
+                if (!TryGetId(OperationId_, RawOperationId_)) {
+                    return ReplyWithStatus(StatusIds::BAD_REQUEST);
+                }
+                ResolveDatabase();
+                break;
+            default:
                 SendNotifyTxCompletion(ctx);
-                break; 
-            } 
+                break;
+            }
         } catch (const yexception& ex) {
             return ReplyWithStatus(StatusIds::BAD_REQUEST);
         }
@@ -107,7 +107,7 @@ public:
             HFunc(NSchemeShard::TEvIndexBuilder::TEvGetResponse, Handle);
 
         default:
-            return StateBase(ev, TlsActivationContext->AsActorContext()); 
+            return StateBase(ev, TlsActivationContext->AsActorContext());
         }
     }
 private:
@@ -144,7 +144,7 @@ private:
                 return ReplyWithStatus(StatusIds::BAD_REQUEST);
             }
         } catch (const yexception& ex) {
-            Request->RaiseIssue(NYql::ExceptionToIssue(ex)); 
+            Request->RaiseIssue(NYql::ExceptionToIssue(ex));
             return ReplyWithStatus(StatusIds::BAD_REQUEST);
         }
 
@@ -153,8 +153,8 @@ private:
         PipeActorId_ = ctx.ExecutorThread.RegisterActor(pipeActor);
 
         auto request = MakeHolder<NConsole::TEvConsole::TEvGetOperationRequest>();
-        request->Record.MutableRequest()->set_id(Request->GetProtoRequest()->id()); 
-        request->Record.SetUserToken(Request->GetInternalToken()); 
+        request->Record.MutableRequest()->set_id(Request->GetProtoRequest()->id());
+        request->Record.SetUserToken(Request->GetInternalToken());
         NTabletPipe::SendData(ctx, PipeActorId_, request.Release());
     }
 
@@ -185,33 +185,33 @@ private:
     }
 
     void Handle(NSchemeShard::TEvExport::TEvGetExportResponse::TPtr& ev, const TActorContext& ctx) {
-        const auto& record = ev->Get()->Record.GetResponse(); 
- 
-        LOG_D("Handle TEvExport::TEvGetExportResponse" 
-            << ": record# " << record.ShortDebugString()); 
- 
-        TEvGetOperationRequest::TResponse resp; 
-        *resp.mutable_operation() = TExportConv::ToOperation(record.GetEntry()); 
-        Reply(resp, ctx); 
-    } 
- 
+        const auto& record = ev->Get()->Record.GetResponse();
+
+        LOG_D("Handle TEvExport::TEvGetExportResponse"
+            << ": record# " << record.ShortDebugString());
+
+        TEvGetOperationRequest::TResponse resp;
+        *resp.mutable_operation() = TExportConv::ToOperation(record.GetEntry());
+        Reply(resp, ctx);
+    }
+
     void Handle(NSchemeShard::TEvImport::TEvGetImportResponse::TPtr& ev, const TActorContext& ctx) {
-        const auto& record = ev->Get()->Record.GetResponse(); 
+        const auto& record = ev->Get()->Record.GetResponse();
 
-        LOG_D("Handle TEvImport::TEvGetImportResponse" 
-            << ": record# " << record.ShortDebugString()); 
+        LOG_D("Handle TEvImport::TEvGetImportResponse"
+            << ": record# " << record.ShortDebugString());
 
-        TEvGetOperationRequest::TResponse resp; 
-        *resp.mutable_operation() = TImportConv::ToOperation(record.GetEntry()); 
-        Reply(resp, ctx); 
+        TEvGetOperationRequest::TResponse resp;
+        *resp.mutable_operation() = TImportConv::ToOperation(record.GetEntry());
+        Reply(resp, ctx);
     }
 
     void Handle(NSchemeShard::TEvIndexBuilder::TEvGetResponse::TPtr& ev, const TActorContext& ctx) {
         const auto& record = ev->Get()->Record;
 
-        LOG_D("Handle TEvIndexBuilder::TEvGetResponse" 
-            << ": record# " << record.ShortDebugString()); 
- 
+        LOG_D("Handle TEvIndexBuilder::TEvGetResponse"
+            << ": record# " << record.ShortDebugString());
+
         if (record.GetStatus() != Ydb::StatusIds::SUCCESS) {
             ReplyGetOperationResponse(true, ctx, record.GetStatus());
         } else {
@@ -227,32 +227,32 @@ private:
                         const TActorContext &ctx) {
         TEvGetOperationRequest::TResponse resp;
         auto deferred = resp.mutable_operation();
-        deferred->set_id(Request->GetProtoRequest()->id()); 
+        deferred->set_id(Request->GetProtoRequest()->id());
         deferred->set_ready(true);
         deferred->set_status(status);
         if (issues.size())
             deferred->mutable_issues()->CopyFrom(issues);
-        Reply(resp, ctx); 
+        Reply(resp, ctx);
     }
 
     void ReplyGetOperationResponse(bool ready, const TActorContext& ctx, StatusIds::StatusCode status = StatusIds::SUCCESS) {
         TEvGetOperationRequest::TResponse resp;
         auto deferred = resp.mutable_operation();
-        deferred->set_id(Request->GetProtoRequest()->id()); 
+        deferred->set_id(Request->GetProtoRequest()->id());
         deferred->set_ready(ready);
         if (ready) {
             deferred->set_status(status);
         }
-        Reply(resp, ctx); 
-    } 
- 
+        Reply(resp, ctx);
+    }
+
     template<typename TMessage>
     void ReplyGetOperationResponse(bool ready, const TActorContext& ctx,
         const TMessage& metadata, StatusIds::StatusCode status = StatusIds::SUCCESS)
     {
         TEvGetOperationRequest::TResponse resp;
         auto deferred = resp.mutable_operation();
-        deferred->set_id(Request->GetProtoRequest()->id()); 
+        deferred->set_id(Request->GetProtoRequest()->id());
         deferred->set_ready(ready);
         if (ready) {
             deferred->set_status(status);
@@ -263,7 +263,7 @@ private:
     }
 
 
-    void Reply(const TEvGetOperationRequest::TResponse& response, const TActorContext& ctx) { 
+    void Reply(const TEvGetOperationRequest::TResponse& response, const TActorContext& ctx) {
         TProtoResponseHelper::SendProtoResponse(response, response.operation().status(), Request);
         this->Die(ctx);
     }
diff --git a/ydb/core/grpc_services/rpc_import.cpp b/ydb/core/grpc_services/rpc_import.cpp
index 94f90264c0..83eff92403 100644
--- a/ydb/core/grpc_services/rpc_import.cpp
+++ b/ydb/core/grpc_services/rpc_import.cpp
@@ -1,89 +1,89 @@
-#include "grpc_request_proxy.h" 
-#include "rpc_import_base.h" 
-#include "rpc_calls.h" 
-#include "rpc_operation_request_base.h" 
- 
+#include "grpc_request_proxy.h"
+#include "rpc_import_base.h"
+#include "rpc_calls.h"
+#include "rpc_operation_request_base.h"
+
 #include <ydb/core/tx/schemeshard/schemeshard_import.h>
- 
-#include <library/cpp/actors/core/hfunc.h> 
- 
-#include <util/generic/ptr.h> 
-#include <util/string/builder.h> 
- 
-namespace NKikimr { 
-namespace NGRpcService { 
- 
-using namespace NActors; 
+
+#include <library/cpp/actors/core/hfunc.h>
+
+#include <util/generic/ptr.h>
+#include <util/string/builder.h>
+
+namespace NKikimr {
+namespace NGRpcService {
+
+using namespace NActors;
 using namespace NSchemeShard;
-using namespace NKikimrIssues; 
-using namespace Ydb; 
- 
-template <typename TDerived, typename TEvRequest> 
-class TImportRPC: public TRpcOperationRequestActor<TDerived, TEvRequest, true>, public TImportConv { 
-    TStringBuf GetLogPrefix() const override { 
-        return "[CreateImport]"; 
-    } 
- 
-    IEventBase* MakeRequest() override { 
-        const auto& request = *this->Request->GetProtoRequest(); 
- 
-        auto ev = MakeHolder<TEvImport::TEvCreateImportRequest>(); 
-        ev->Record.SetTxId(this->TxId); 
-        ev->Record.SetDatabaseName(this->DatabaseName); 
-        if (this->UserToken) { 
-            ev->Record.SetUserSID(this->UserToken->GetUserSID()); 
-        } 
- 
-        auto& createImport = *ev->Record.MutableRequest(); 
-        createImport.MutableOperationParams()->CopyFrom(request.operation_params()); 
-        if (std::is_same_v<TEvRequest, TEvImportFromS3Request>) { 
-            createImport.MutableImportFromS3Settings()->CopyFrom(request.settings()); 
-        } 
- 
-        return ev.Release(); 
-    } 
- 
-    void Handle(TEvImport::TEvCreateImportResponse::TPtr& ev) { 
-        const auto& record = ev->Get()->Record.GetResponse(); 
- 
-        LOG_D("Handle TEvImport::TEvCreateImportResponse" 
-            << ": record# " << record.ShortDebugString()); 
- 
-        this->Reply(TImportConv::ToOperation(record.GetEntry())); 
-    } 
- 
-public: 
-    using TRpcOperationRequestActor<TDerived, TEvRequest, true>::TRpcOperationRequestActor; 
- 
-    void Bootstrap(const TActorContext&) { 
-        const auto& request = *this->Request->GetProtoRequest(); 
- 
-        if (request.settings().items().empty()) { 
-            return this->Reply(StatusIds::BAD_REQUEST, TIssuesIds::DEFAULT_ERROR, "Items are not set"); 
-        } 
- 
-        this->AllocateTxId(); 
-        this->Become(&TDerived::StateWait); 
-    } 
- 
-    STATEFN(StateWait) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvImport::TEvCreateImportResponse, Handle); 
-        default: 
-            return this->StateBase(ev, TlsActivationContext->AsActorContext()); 
-        } 
-    } 
- 
-}; // TImportRPC 
- 
-class TImportFromS3RPC: public TImportRPC<TImportFromS3RPC, TEvImportFromS3Request> { 
-public: 
-    using TImportRPC::TImportRPC; 
-}; 
- 
-void TGRpcRequestProxy::Handle(TEvImportFromS3Request::TPtr& ev, const TActorContext& ctx) { 
-    ctx.Register(new TImportFromS3RPC(ev->Release().Release())); 
-} 
- 
-} // namespace NGRpcService 
-} // namespace NKikimr 
+using namespace NKikimrIssues;
+using namespace Ydb;
+
+template <typename TDerived, typename TEvRequest>
+class TImportRPC: public TRpcOperationRequestActor<TDerived, TEvRequest, true>, public TImportConv {
+    TStringBuf GetLogPrefix() const override {
+        return "[CreateImport]";
+    }
+
+    IEventBase* MakeRequest() override {
+        const auto& request = *this->Request->GetProtoRequest();
+
+        auto ev = MakeHolder<TEvImport::TEvCreateImportRequest>();
+        ev->Record.SetTxId(this->TxId);
+        ev->Record.SetDatabaseName(this->DatabaseName);
+        if (this->UserToken) {
+            ev->Record.SetUserSID(this->UserToken->GetUserSID());
+        }
+
+        auto& createImport = *ev->Record.MutableRequest();
+        createImport.MutableOperationParams()->CopyFrom(request.operation_params());
+        if (std::is_same_v<TEvRequest, TEvImportFromS3Request>) {
+            createImport.MutableImportFromS3Settings()->CopyFrom(request.settings());
+        }
+
+        return ev.Release();
+    }
+
+    void Handle(TEvImport::TEvCreateImportResponse::TPtr& ev) {
+        const auto& record = ev->Get()->Record.GetResponse();
+
+        LOG_D("Handle TEvImport::TEvCreateImportResponse"
+            << ": record# " << record.ShortDebugString());
+
+        this->Reply(TImportConv::ToOperation(record.GetEntry()));
+    }
+
+public:
+    using TRpcOperationRequestActor<TDerived, TEvRequest, true>::TRpcOperationRequestActor;
+
+    void Bootstrap(const TActorContext&) {
+        const auto& request = *this->Request->GetProtoRequest();
+
+        if (request.settings().items().empty()) {
+            return this->Reply(StatusIds::BAD_REQUEST, TIssuesIds::DEFAULT_ERROR, "Items are not set");
+        }
+
+        this->AllocateTxId();
+        this->Become(&TDerived::StateWait);
+    }
+
+    STATEFN(StateWait) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvImport::TEvCreateImportResponse, Handle);
+        default:
+            return this->StateBase(ev, TlsActivationContext->AsActorContext());
+        }
+    }
+
+}; // TImportRPC
+
+class TImportFromS3RPC: public TImportRPC<TImportFromS3RPC, TEvImportFromS3Request> {
+public:
+    using TImportRPC::TImportRPC;
+};
+
+void TGRpcRequestProxy::Handle(TEvImportFromS3Request::TPtr& ev, const TActorContext& ctx) {
+    ctx.Register(new TImportFromS3RPC(ev->Release().Release()));
+}
+
+} // namespace NGRpcService
+} // namespace NKikimr
diff --git a/ydb/core/grpc_services/rpc_import_base.h b/ydb/core/grpc_services/rpc_import_base.h
index c014d5bf8f..f0d7d8985d 100644
--- a/ydb/core/grpc_services/rpc_import_base.h
+++ b/ydb/core/grpc_services/rpc_import_base.h
@@ -1,76 +1,76 @@
-#pragma once 
- 
+#pragma once
+
 #include <ydb/core/protos/import.pb.h>
 #include <ydb/public/api/protos/ydb_operation.pb.h>
 #include <ydb/public/lib/operation_id/operation_id.h>
- 
-#include <util/string/cast.h> 
- 
-namespace NKikimr { 
-namespace NGRpcService { 
- 
-struct TImportConv { 
-    static Ydb::TOperationId MakeOperationId(const ui64 id, NKikimrImport::TImport::SettingsCase kind) { 
-        Ydb::TOperationId operationId; 
-        operationId.SetKind(Ydb::TOperationId::IMPORT); 
-        NOperationId::AddOptionalValue(operationId, "id", ToString(id)); 
- 
-        switch (kind) { 
-        case NKikimrImport::TImport::kImportFromS3Settings: 
-            NOperationId::AddOptionalValue(operationId, "kind", "s3"); 
-            break; 
-        default: 
-            Y_VERIFY_DEBUG(false, "Unknown import kind"); 
-            break; 
-        } 
- 
-        return operationId; 
-    } 
- 
-    static Ydb::Operations::Operation ToOperation(const NKikimrImport::TImport& import) { 
-        Ydb::Operations::Operation operation; 
- 
-        operation.set_id(NOperationId::ProtoToString(MakeOperationId(import.GetId(), import.GetSettingsCase()))); 
-        operation.set_status(import.GetStatus()); 
-        if (operation.status() == Ydb::StatusIds::SUCCESS) { 
-            operation.set_ready(import.GetProgress() == Ydb::Import::ImportProgress::PROGRESS_DONE); 
-        } else { 
-            operation.set_ready(true); 
-        } 
-        if (import.IssuesSize()) { 
-            operation.mutable_issues()->CopyFrom(import.GetIssues()); 
-        } 
- 
-        using namespace Ydb::Import; 
-        switch (import.GetSettingsCase()) { 
-        case NKikimrImport::TImport::kImportFromS3Settings: 
-            Fill<ImportFromS3Metadata, ImportFromS3Result>(operation, import, import.GetImportFromS3Settings()); 
-            break; 
-        default: 
-            Y_VERIFY_DEBUG(false, "Unknown import kind"); 
-            break; 
-        } 
- 
-        return operation; 
-    } 
- 
-private: 
-    template <typename TMetadata, typename TResult, typename TSettings> 
-    static void Fill( 
-            Ydb::Operations::Operation& operation, 
-            const NKikimrImport::TImport& import, 
-            const TSettings& settings) { 
-        TMetadata metadata; 
-        metadata.mutable_settings()->CopyFrom(settings); 
-        metadata.set_progress(import.GetProgress()); 
-        metadata.mutable_items_progress()->CopyFrom(import.GetItemsProgress()); 
-        operation.mutable_metadata()->PackFrom(metadata); 
- 
-        TResult result; 
-        operation.mutable_result()->PackFrom(result); 
-    } 
- 
-}; // TImportConv 
- 
-} // namespace NGRpcService 
-} // namespace NKikimr 
+
+#include <util/string/cast.h>
+
+namespace NKikimr {
+namespace NGRpcService {
+
+struct TImportConv {
+    static Ydb::TOperationId MakeOperationId(const ui64 id, NKikimrImport::TImport::SettingsCase kind) {
+        Ydb::TOperationId operationId;
+        operationId.SetKind(Ydb::TOperationId::IMPORT);
+        NOperationId::AddOptionalValue(operationId, "id", ToString(id));
+
+        switch (kind) {
+        case NKikimrImport::TImport::kImportFromS3Settings:
+            NOperationId::AddOptionalValue(operationId, "kind", "s3");
+            break;
+        default:
+            Y_VERIFY_DEBUG(false, "Unknown import kind");
+            break;
+        }
+
+        return operationId;
+    }
+
+    static Ydb::Operations::Operation ToOperation(const NKikimrImport::TImport& import) {
+        Ydb::Operations::Operation operation;
+
+        operation.set_id(NOperationId::ProtoToString(MakeOperationId(import.GetId(), import.GetSettingsCase())));
+        operation.set_status(import.GetStatus());
+        if (operation.status() == Ydb::StatusIds::SUCCESS) {
+            operation.set_ready(import.GetProgress() == Ydb::Import::ImportProgress::PROGRESS_DONE);
+        } else {
+            operation.set_ready(true);
+        }
+        if (import.IssuesSize()) {
+            operation.mutable_issues()->CopyFrom(import.GetIssues());
+        }
+
+        using namespace Ydb::Import;
+        switch (import.GetSettingsCase()) {
+        case NKikimrImport::TImport::kImportFromS3Settings:
+            Fill<ImportFromS3Metadata, ImportFromS3Result>(operation, import, import.GetImportFromS3Settings());
+            break;
+        default:
+            Y_VERIFY_DEBUG(false, "Unknown import kind");
+            break;
+        }
+
+        return operation;
+    }
+
+private:
+    template <typename TMetadata, typename TResult, typename TSettings>
+    static void Fill(
+            Ydb::Operations::Operation& operation,
+            const NKikimrImport::TImport& import,
+            const TSettings& settings) {
+        TMetadata metadata;
+        metadata.mutable_settings()->CopyFrom(settings);
+        metadata.set_progress(import.GetProgress());
+        metadata.mutable_items_progress()->CopyFrom(import.GetItemsProgress());
+        operation.mutable_metadata()->PackFrom(metadata);
+
+        TResult result;
+        operation.mutable_result()->PackFrom(result);
+    }
+
+}; // TImportConv
+
+} // namespace NGRpcService
+} // namespace NKikimr
diff --git a/ydb/core/grpc_services/rpc_import_data.cpp b/ydb/core/grpc_services/rpc_import_data.cpp
index 2d1f1f8c7e..8df9b3e2c7 100644
--- a/ydb/core/grpc_services/rpc_import_data.cpp
+++ b/ydb/core/grpc_services/rpc_import_data.cpp
@@ -1,8 +1,8 @@
-#include "grpc_request_proxy.h" 
-#include "rpc_calls.h" 
-#include "rpc_common.h" 
-#include "rpc_request_base.h" 
- 
+#include "grpc_request_proxy.h"
+#include "rpc_calls.h"
+#include "rpc_common.h"
+#include "rpc_request_base.h"
+
 #include <ydb/core/base/appdata.h>
 #include <ydb/core/base/tablet_pipecache.h>
 #include <ydb/core/scheme/scheme_tabledefs.h>
@@ -10,281 +10,281 @@
 #include <ydb/core/tx/tx_proxy/proxy.h>
 #include <ydb/core/tx/scheme_cache/scheme_cache.h>
 #include <ydb/core/io_formats/csv.h>
- 
-#include <library/cpp/actors/core/hfunc.h> 
- 
+
+#include <library/cpp/actors/core/hfunc.h>
+
 #include <ydb/library/yql/public/udf/udf_types.h>
- 
-#include <util/datetime/base.h> 
-#include <util/generic/hash.h> 
-#include <util/generic/maybe.h> 
-#include <util/generic/vector.h> 
-#include <util/memory/pool.h> 
-#include <util/string/builder.h> 
- 
-namespace NKikimr { 
-namespace NGRpcService { 
- 
-using namespace NActors; 
-using namespace NKikimrIssues; 
-using namespace Ydb; 
- 
-class TImportDataRPC: public TRpcRequestActor<TImportDataRPC, TEvImportDataRequest, true> { 
-    using TNavigate = NSchemeCache::TSchemeCacheNavigate; 
-    using TEvNavigate = TEvTxProxySchemeCache::TEvNavigateKeySet; 
-    using TResolve = NSchemeCache::TSchemeCacheRequest; 
-    using TEvResolve = TEvTxProxySchemeCache::TEvResolveKeySet; 
- 
-    static constexpr TDuration MAX_TIMEOUT = TDuration::Minutes(5); 
- 
-    static TVector<NUdf::TDataTypeId> MakeKeyColumnTypes(const TNavigate::TEntry& entry) { 
-        TVector<NUdf::TDataTypeId> result; 
- 
-        for (const auto& [_, column] : entry.Columns) { 
-            if (column.KeyOrder < 0) { 
-                continue; 
-            } 
- 
-            if (result.size() <= static_cast<ui32>(column.KeyOrder)) { 
-                result.resize(column.KeyOrder + 1); 
-            } 
- 
-            result[column.KeyOrder] = column.PType; 
-        } 
- 
-        return result; 
-    } 
- 
-    static TSerializedTableRange GetFullRange(ui32 keyColumnsCount) { 
-        TVector<TCell> fromValues(keyColumnsCount); 
-        TVector<TCell> toValues; 
-        return TSerializedTableRange(fromValues, true, toValues, false); 
-    } 
- 
-    static THolder<TKeyDesc> MakeKeyDesc(const TNavigate::TEntry& entry) { 
-        const TVector<NUdf::TDataTypeId> keyColumnTypes = MakeKeyColumnTypes(entry); 
-        return MakeHolder<TKeyDesc>( 
-            entry.TableId, 
-            GetFullRange(keyColumnTypes.size()).ToTableRange(), 
-            TKeyDesc::ERowOperation::Update, 
-            keyColumnTypes, 
-            TVector<TKeyDesc::TColumnOp>() 
-        ); 
-    } 
- 
-    static ui64 GetShardId(const TTableRange& range, const TKeyDesc* keyDesc) { 
-        Y_VERIFY(range.Point); 
-        Y_VERIFY(!keyDesc->Partitions.empty()); 
- 
-        TVector<TKeyDesc::TPartitionInfo>::const_iterator it = LowerBound( 
-            keyDesc->Partitions.begin(), keyDesc->Partitions.end(), true, 
-            [&](const TKeyDesc::TPartitionInfo& partition, bool) { 
-                const int cmp = CompareBorders<true, false>( 
-                    partition.Range->EndKeyPrefix.GetCells(), range.From, 
-                    partition.Range->IsInclusive || partition.Range->IsPoint, 
-                    range.InclusiveFrom || range.Point, keyDesc->KeyColumnTypes 
-                ); 
- 
-                return (cmp < 0); 
-            } 
-        ); 
- 
-        Y_VERIFY(it != keyDesc->Partitions.end()); 
-        return it->ShardId; 
-    } 
- 
-    /// Get proxy services 
- 
-    void GetProxyServices() { 
-        Send(MakeTxProxyID(), new TEvTxUserProxy::TEvGetProxyServicesRequest); 
-        Become(&TThis::StateGetProxyServices); 
-    } 
- 
-    STATEFN(StateGetProxyServices) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvTxUserProxy::TEvGetProxyServicesResponse, Handle); 
-        } 
-    } 
- 
-    void Handle(TEvTxUserProxy::TEvGetProxyServicesResponse::TPtr& ev) { 
+
+#include <util/datetime/base.h>
+#include <util/generic/hash.h>
+#include <util/generic/maybe.h>
+#include <util/generic/vector.h>
+#include <util/memory/pool.h>
+#include <util/string/builder.h>
+
+namespace NKikimr {
+namespace NGRpcService {
+
+using namespace NActors;
+using namespace NKikimrIssues;
+using namespace Ydb;
+
+class TImportDataRPC: public TRpcRequestActor<TImportDataRPC, TEvImportDataRequest, true> {
+    using TNavigate = NSchemeCache::TSchemeCacheNavigate;
+    using TEvNavigate = TEvTxProxySchemeCache::TEvNavigateKeySet;
+    using TResolve = NSchemeCache::TSchemeCacheRequest;
+    using TEvResolve = TEvTxProxySchemeCache::TEvResolveKeySet;
+
+    static constexpr TDuration MAX_TIMEOUT = TDuration::Minutes(5);
+
+    static TVector<NUdf::TDataTypeId> MakeKeyColumnTypes(const TNavigate::TEntry& entry) {
+        TVector<NUdf::TDataTypeId> result;
+
+        for (const auto& [_, column] : entry.Columns) {
+            if (column.KeyOrder < 0) {
+                continue;
+            }
+
+            if (result.size() <= static_cast<ui32>(column.KeyOrder)) {
+                result.resize(column.KeyOrder + 1);
+            }
+
+            result[column.KeyOrder] = column.PType;
+        }
+
+        return result;
+    }
+
+    static TSerializedTableRange GetFullRange(ui32 keyColumnsCount) {
+        TVector<TCell> fromValues(keyColumnsCount);
+        TVector<TCell> toValues;
+        return TSerializedTableRange(fromValues, true, toValues, false);
+    }
+
+    static THolder<TKeyDesc> MakeKeyDesc(const TNavigate::TEntry& entry) {
+        const TVector<NUdf::TDataTypeId> keyColumnTypes = MakeKeyColumnTypes(entry);
+        return MakeHolder<TKeyDesc>(
+            entry.TableId,
+            GetFullRange(keyColumnTypes.size()).ToTableRange(),
+            TKeyDesc::ERowOperation::Update,
+            keyColumnTypes,
+            TVector<TKeyDesc::TColumnOp>()
+        );
+    }
+
+    static ui64 GetShardId(const TTableRange& range, const TKeyDesc* keyDesc) {
+        Y_VERIFY(range.Point);
+        Y_VERIFY(!keyDesc->Partitions.empty());
+
+        TVector<TKeyDesc::TPartitionInfo>::const_iterator it = LowerBound(
+            keyDesc->Partitions.begin(), keyDesc->Partitions.end(), true,
+            [&](const TKeyDesc::TPartitionInfo& partition, bool) {
+                const int cmp = CompareBorders<true, false>(
+                    partition.Range->EndKeyPrefix.GetCells(), range.From,
+                    partition.Range->IsInclusive || partition.Range->IsPoint,
+                    range.InclusiveFrom || range.Point, keyDesc->KeyColumnTypes
+                );
+
+                return (cmp < 0);
+            }
+        );
+
+        Y_VERIFY(it != keyDesc->Partitions.end());
+        return it->ShardId;
+    }
+
+    /// Get proxy services
+
+    void GetProxyServices() {
+        Send(MakeTxProxyID(), new TEvTxUserProxy::TEvGetProxyServicesRequest);
+        Become(&TThis::StateGetProxyServices);
+    }
+
+    STATEFN(StateGetProxyServices) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvTxUserProxy::TEvGetProxyServicesResponse, Handle);
+        }
+    }
+
+    void Handle(TEvTxUserProxy::TEvGetProxyServicesResponse::TPtr& ev) {
         LeaderPipeCache = ev->Get()->Services.LeaderPipeCache;
-        ResolvePath(); 
-    } 
- 
-    /// Resolve path 
- 
-    void ResolvePath() { 
-        auto request = MakeHolder<TNavigate>(); 
-        request->DatabaseName = NKikimr::CanonizePath(DatabaseName); 
- 
-        auto& entry = request->ResultSet.emplace_back(); 
-        entry.Operation = TNavigate::OpTable; 
-        entry.Path = NKikimr::SplitPath(Request->GetProtoRequest()->path()); 
- 
-        Send(MakeSchemeCacheID(), new TEvNavigate(request.Release())); 
-        Become(&TThis::StateResolvePath); 
-    } 
- 
-    STATEFN(StateResolvePath) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvTxProxySchemeCache::TEvNavigateKeySetResult, Handle); 
-        } 
-    } 
- 
-    void Handle(TEvTxProxySchemeCache::TEvNavigateKeySetResult::TPtr& ev) { 
-        const auto& request = ev->Get()->Request; 
- 
-        if (request->ResultSet.empty()) { 
-            return Reply(StatusIds::SCHEME_ERROR, TIssuesIds::GENERIC_RESOLVE_ERROR); 
-        } 
- 
-        const auto& entry = request->ResultSet.front(); 
- 
-        switch (entry.Status) { 
-        case TNavigate::EStatus::Ok: 
-            break; 
-        case TNavigate::EStatus::RootUnknown: 
-        case TNavigate::EStatus::PathErrorUnknown: 
-            return Reply(StatusIds::SCHEME_ERROR, TIssuesIds::PATH_NOT_EXIST); 
-        case TNavigate::EStatus::LookupError: 
-        case TNavigate::EStatus::RedirectLookupError: 
-            return Reply(StatusIds::UNAVAILABLE, TIssuesIds::RESOLVE_LOOKUP_ERROR); 
-        default: 
-            return Reply(StatusIds::SCHEME_ERROR, TIssuesIds::GENERIC_RESOLVE_ERROR); 
-        } 
- 
-        if (!CheckAccess(CanonizePath(entry.Path), entry.SecurityObject, NACLib::UpdateRow)) { 
-            return; 
-        } 
- 
-        if (entry.Indexes) { 
-            return Reply(StatusIds::SCHEME_ERROR, TIssuesIds::DEFAULT_ERROR, 
-                "Table should not have global secondary indexes"); 
-        } 
- 
-        for (const auto& [_, column] : entry.Columns) { 
-            Y_VERIFY(Columns.emplace(column.Name, column).second); 
-        } 
- 
-        KeyDesc = MakeKeyDesc(entry); 
-        ResolveKeys(); 
-    } 
- 
-    /// Resolve keys 
- 
-    void ResolveKeys() { 
-        auto request = MakeHolder<TResolve>(); 
-        request->DatabaseName = NKikimr::CanonizePath(DatabaseName); 
- 
+        ResolvePath();
+    }
+
+    /// Resolve path
+
+    void ResolvePath() {
+        auto request = MakeHolder<TNavigate>();
+        request->DatabaseName = NKikimr::CanonizePath(DatabaseName);
+
+        auto& entry = request->ResultSet.emplace_back();
+        entry.Operation = TNavigate::OpTable;
+        entry.Path = NKikimr::SplitPath(Request->GetProtoRequest()->path());
+
+        Send(MakeSchemeCacheID(), new TEvNavigate(request.Release()));
+        Become(&TThis::StateResolvePath);
+    }
+
+    STATEFN(StateResolvePath) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvTxProxySchemeCache::TEvNavigateKeySetResult, Handle);
+        }
+    }
+
+    void Handle(TEvTxProxySchemeCache::TEvNavigateKeySetResult::TPtr& ev) {
+        const auto& request = ev->Get()->Request;
+
+        if (request->ResultSet.empty()) {
+            return Reply(StatusIds::SCHEME_ERROR, TIssuesIds::GENERIC_RESOLVE_ERROR);
+        }
+
+        const auto& entry = request->ResultSet.front();
+
+        switch (entry.Status) {
+        case TNavigate::EStatus::Ok:
+            break;
+        case TNavigate::EStatus::RootUnknown:
+        case TNavigate::EStatus::PathErrorUnknown:
+            return Reply(StatusIds::SCHEME_ERROR, TIssuesIds::PATH_NOT_EXIST);
+        case TNavigate::EStatus::LookupError:
+        case TNavigate::EStatus::RedirectLookupError:
+            return Reply(StatusIds::UNAVAILABLE, TIssuesIds::RESOLVE_LOOKUP_ERROR);
+        default:
+            return Reply(StatusIds::SCHEME_ERROR, TIssuesIds::GENERIC_RESOLVE_ERROR);
+        }
+
+        if (!CheckAccess(CanonizePath(entry.Path), entry.SecurityObject, NACLib::UpdateRow)) {
+            return;
+        }
+
+        if (entry.Indexes) {
+            return Reply(StatusIds::SCHEME_ERROR, TIssuesIds::DEFAULT_ERROR,
+                "Table should not have global secondary indexes");
+        }
+
+        for (const auto& [_, column] : entry.Columns) {
+            Y_VERIFY(Columns.emplace(column.Name, column).second);
+        }
+
+        KeyDesc = MakeKeyDesc(entry);
+        ResolveKeys();
+    }
+
+    /// Resolve keys
+
+    void ResolveKeys() {
+        auto request = MakeHolder<TResolve>();
+        request->DatabaseName = NKikimr::CanonizePath(DatabaseName);
+
         request->ResultSet.emplace_back(std::move(KeyDesc));
-        request->ResultSet.back().Access = NACLib::UpdateRow; 
- 
-        Send(MakeSchemeCacheID(), new TEvResolve(request.Release())); 
-        Become(&TThis::StateResolveKeys); 
-    } 
- 
-    STATEFN(StateResolveKeys) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvTxProxySchemeCache::TEvResolveKeySetResult, Handle); 
-        } 
-    } 
- 
-    void Handle(TEvTxProxySchemeCache::TEvResolveKeySetResult::TPtr& ev) { 
-        const auto& request = ev->Get()->Request; 
- 
-        if (request->ResultSet.empty()) { 
-            return Reply(StatusIds::SCHEME_ERROR, TIssuesIds::GENERIC_RESOLVE_ERROR); 
-        } 
- 
+        request->ResultSet.back().Access = NACLib::UpdateRow;
+
+        Send(MakeSchemeCacheID(), new TEvResolve(request.Release()));
+        Become(&TThis::StateResolveKeys);
+    }
+
+    STATEFN(StateResolveKeys) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvTxProxySchemeCache::TEvResolveKeySetResult, Handle);
+        }
+    }
+
+    void Handle(TEvTxProxySchemeCache::TEvResolveKeySetResult::TPtr& ev) {
+        const auto& request = ev->Get()->Request;
+
+        if (request->ResultSet.empty()) {
+            return Reply(StatusIds::SCHEME_ERROR, TIssuesIds::GENERIC_RESOLVE_ERROR);
+        }
+
         auto& entry = request->ResultSet.front();
         KeyDesc = std::move(entry.KeyDescription);
- 
-        switch (entry.Status) { 
-        case TResolve::EStatus::OkData: 
-            break; 
-        case TResolve::EStatus::NotMaterialized: 
-        case TResolve::EStatus::PathErrorNotExist: 
-            return Reply(StatusIds::SCHEME_ERROR, TIssuesIds::PATH_NOT_EXIST); 
-        case TResolve::EStatus::LookupError: 
-            return Reply(StatusIds::UNAVAILABLE, TIssuesIds::RESOLVE_LOOKUP_ERROR); 
-        default: 
-            return Reply(StatusIds::SCHEME_ERROR, TIssuesIds::GENERIC_RESOLVE_ERROR); 
-        } 
- 
+
+        switch (entry.Status) {
+        case TResolve::EStatus::OkData:
+            break;
+        case TResolve::EStatus::NotMaterialized:
+        case TResolve::EStatus::PathErrorNotExist:
+            return Reply(StatusIds::SCHEME_ERROR, TIssuesIds::PATH_NOT_EXIST);
+        case TResolve::EStatus::LookupError:
+            return Reply(StatusIds::UNAVAILABLE, TIssuesIds::RESOLVE_LOOKUP_ERROR);
+        default:
+            return Reply(StatusIds::SCHEME_ERROR, TIssuesIds::GENERIC_RESOLVE_ERROR);
+        }
+
         if (KeyDesc->Partitions.empty()) {
-            return Reply(StatusIds::SCHEME_ERROR, TIssuesIds::GENERIC_RESOLVE_ERROR); 
-        } 
- 
-        ProcessData(); 
-    } 
- 
-    /// Process data 
- 
-    void ProcessData() { 
-        const auto& request = *Request->GetProtoRequest(); 
- 
-        auto ev = MakeHolder<TEvDataShard::TEvUploadRowsRequest>(); 
-        ev->Record.SetTableId(KeyDesc->TableId.PathId.LocalPathId); 
- 
-        const auto timeout = request.operation_params().has_operation_timeout() 
-            ? Min(GetDuration(request.operation_params().operation_timeout()), MAX_TIMEOUT) 
-            : MAX_TIMEOUT; 
-        ev->Record.SetCancelDeadlineMs((AppData()->TimeProvider->Now() + timeout).MilliSeconds()); 
- 
-        TMaybe<ui64> shardId; 
-        switch (request.format_case()) { 
-        case Import::ImportDataRequest::kYdbDump: 
-            if (!FillColumnIds(request.ydb_dump().columns(), ev->Record)) { 
-                return; 
-            } 
-            shardId = ProcessData(request.ydb_dump(), request.data(), ev->Record); 
-            break; 
-        default: 
-            Y_FAIL("unreachable"); 
-        } 
- 
-        if (!shardId) { 
-            return; 
-        } 
- 
+            return Reply(StatusIds::SCHEME_ERROR, TIssuesIds::GENERIC_RESOLVE_ERROR);
+        }
+
+        ProcessData();
+    }
+
+    /// Process data
+
+    void ProcessData() {
+        const auto& request = *Request->GetProtoRequest();
+
+        auto ev = MakeHolder<TEvDataShard::TEvUploadRowsRequest>();
+        ev->Record.SetTableId(KeyDesc->TableId.PathId.LocalPathId);
+
+        const auto timeout = request.operation_params().has_operation_timeout()
+            ? Min(GetDuration(request.operation_params().operation_timeout()), MAX_TIMEOUT)
+            : MAX_TIMEOUT;
+        ev->Record.SetCancelDeadlineMs((AppData()->TimeProvider->Now() + timeout).MilliSeconds());
+
+        TMaybe<ui64> shardId;
+        switch (request.format_case()) {
+        case Import::ImportDataRequest::kYdbDump:
+            if (!FillColumnIds(request.ydb_dump().columns(), ev->Record)) {
+                return;
+            }
+            shardId = ProcessData(request.ydb_dump(), request.data(), ev->Record);
+            break;
+        default:
+            Y_FAIL("unreachable");
+        }
+
+        if (!shardId) {
+            return;
+        }
+
         Send(LeaderPipeCache, new TEvPipeCache::TEvForward(ev.Release(), *shardId, true), IEventHandle::FlagTrackDelivery);
-        Become(&TThis::StateProcessData); 
-    } 
- 
-    template <typename TCont> 
-    bool FillColumnIds(const TCont& columnNames, NKikimrTxDataShard::TEvUploadRowsRequest& request) { 
-        auto& rowScheme = *request.MutableRowScheme(); 
- 
-        for (const auto& column : columnNames) { 
-            const auto* info = Columns.FindPtr(column); 
-            if (!info) { 
-                Reply(StatusIds::BAD_REQUEST, TIssuesIds::DEFAULT_ERROR, 
-                    TStringBuilder() << "Unknown column: " << column); 
-                return false; 
-            } 
- 
-            if (info->KeyOrder != -1) { 
-                auto& ids = *rowScheme.MutableKeyColumnIds(); 
- 
-                if (ids.size() < (info->KeyOrder + 1)) { 
-                    ids.Resize(info->KeyOrder + 1, 0); 
-                } 
- 
-                ids[info->KeyOrder] = info->Id; 
-            } else { 
-                rowScheme.AddValueColumnIds(info->Id); 
-            } 
-        } 
- 
-        return true; 
-    } 
- 
-    TMaybe<ui64> ProcessData(const Import::YdbDumpFormat& format, TStringBuf data, NKikimrTxDataShard::TEvUploadRowsRequest& request) { 
-        TMaybe<ui64> shardId; 
- 
-        TMaybe<TOwnedCellVec> prevKey; 
-        TMemoryPool pool(256); 
- 
+        Become(&TThis::StateProcessData);
+    }
+
+    template <typename TCont>
+    bool FillColumnIds(const TCont& columnNames, NKikimrTxDataShard::TEvUploadRowsRequest& request) {
+        auto& rowScheme = *request.MutableRowScheme();
+
+        for (const auto& column : columnNames) {
+            const auto* info = Columns.FindPtr(column);
+            if (!info) {
+                Reply(StatusIds::BAD_REQUEST, TIssuesIds::DEFAULT_ERROR,
+                    TStringBuilder() << "Unknown column: " << column);
+                return false;
+            }
+
+            if (info->KeyOrder != -1) {
+                auto& ids = *rowScheme.MutableKeyColumnIds();
+
+                if (ids.size() < (info->KeyOrder + 1)) {
+                    ids.Resize(info->KeyOrder + 1, 0);
+                }
+
+                ids[info->KeyOrder] = info->Id;
+            } else {
+                rowScheme.AddValueColumnIds(info->Id);
+            }
+        }
+
+        return true;
+    }
+
+    TMaybe<ui64> ProcessData(const Import::YdbDumpFormat& format, TStringBuf data, NKikimrTxDataShard::TEvUploadRowsRequest& request) {
+        TMaybe<ui64> shardId;
+
+        TMaybe<TOwnedCellVec> prevKey;
+        TMemoryPool pool(256);
+
         std::vector<std::pair<i32, ui32>> columnOrderTypes; // {keyOrder, PType}
         columnOrderTypes.reserve(format.columns().size());
         for (const auto& column : format.columns()) {
@@ -297,143 +297,143 @@ class TImportDataRPC: public TRpcRequestActor<TImportDataRPC, TEvImportDataReque
             columnOrderTypes.emplace_back(info->KeyOrder, info->PType);
         }
 
-        while (data) { 
-            pool.Clear(); 
- 
-            TStringBuf line = data.NextTok('\n'); 
-            const TStringBuf origLine = line; 
- 
-            if (!line) { 
-                if (data) { 
-                    continue; 
-                } 
- 
-                break; 
-            } 
- 
-            TVector<TCell> keys; 
-            TVector<TCell> values; 
+        while (data) {
+            pool.Clear();
+
+            TStringBuf line = data.NextTok('\n');
+            const TStringBuf origLine = line;
+
+            if (!line) {
+                if (data) {
+                    continue;
+                }
+
+                break;
+            }
+
+            TVector<TCell> keys;
+            TVector<TCell> values;
             TString strError;
             ui64 numBytes = 0;
- 
+
             if (!NFormats::TYdbDump::ParseLine(line, columnOrderTypes, pool, keys, values, strError, numBytes)) {
                 TString message = TStringBuilder() << strError << " on line: " << origLine;
                 Reply(StatusIds::BAD_REQUEST, TIssuesIds::DEFAULT_ERROR, message);
                 return Nothing();
-            } 
- 
-            Y_VERIFY(!keys.empty()); 
- 
-            // sorting constraint 
-            if (!CheckSorted(prevKey, keys)) { 
-                return Nothing(); 
-            } 
- 
-            prevKey = TOwnedCellVec::Make(keys); 
- 
-            // same partition constraint 
-            if (!shardId) { 
-                shardId = GetShardId(TTableRange(keys), KeyDesc.Get()); 
-            } 
- 
-            if (!CheckSameShard(*shardId, keys)) { 
-                return Nothing(); 
-            } 
- 
-            // ok 
-            auto& row = *request.AddRows(); 
-            row.SetKeyColumns(TSerializedCellVec::Serialize(keys)); 
-            row.SetValueColumns(TSerializedCellVec::Serialize(values)); 
-        } 
- 
-        return shardId; 
-    } 
- 
-    bool CheckSorted(const TMaybe<TOwnedCellVec>& prevKey, const TVector<TCell>& key) { 
-        if (!prevKey) { 
-            return true; 
-        } 
- 
-        const int cmp = CompareTypedCellVectors(prevKey->data(), key.data(), 
-            KeyDesc->KeyColumnTypes.data(), prevKey->size(), key.size()); 
-        if (cmp <= 0) { 
-            return true; 
-        } 
- 
-        Reply(StatusIds::BAD_REQUEST, TIssuesIds::DEFAULT_ERROR, "Keys must be sorted"); 
-        return false; 
-    } 
- 
-    bool CheckSameShard(ui64 prevShardId, const TVector<TCell>& key) { 
-        const ui64 shardId = GetShardId(TTableRange(key), KeyDesc.Get()); 
-        if (prevShardId == shardId) { 
-            return true; 
-        } 
- 
-        Reply(StatusIds::PRECONDITION_FAILED, TIssuesIds::DEFAULT_ERROR, "All keys must be from the same partition"); 
-        return false; 
-    } 
- 
-    STATEFN(StateProcessData) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvDataShard::TEvUploadRowsResponse, Handle); 
-            hFunc(TEvPipeCache::TEvDeliveryProblem, Handle); 
-            hFunc(TEvents::TEvUndelivered, Handle); 
-        } 
-    } 
- 
-    void Handle(TEvDataShard::TEvUploadRowsResponse::TPtr& ev) { 
-        const auto& record = ev->Get()->Record; 
- 
-        switch (record.GetStatus()) { 
-        case NKikimrTxDataShard::TError::OK: 
-            return Reply(MakeOperation(StatusIds::SUCCESS)); 
-        case NKikimrTxDataShard::TError::SCHEME_ERROR: 
-            return Reply(StatusIds::SCHEME_ERROR, TIssuesIds::DEFAULT_ERROR, record.GetErrorDescription()); 
-        case NKikimrTxDataShard::TError::BAD_ARGUMENT: 
-            return Reply(StatusIds::BAD_REQUEST, TIssuesIds::DEFAULT_ERROR, record.GetErrorDescription()); 
-        case NKikimrTxDataShard::TError::EXECUTION_CANCELLED: 
-            return Reply(StatusIds::TIMEOUT, TIssuesIds::DEFAULT_ERROR, record.GetErrorDescription()); 
-        case NKikimrTxDataShard::TError::WRONG_SHARD_STATE: 
-            return Reply(StatusIds::OVERLOADED, TIssuesIds::DEFAULT_ERROR, record.GetErrorDescription()); 
-        default: 
-            return Reply(StatusIds::INTERNAL_ERROR, TIssuesIds::DEFAULT_ERROR, record.GetErrorDescription()); 
-        }; 
-    } 
- 
-    void Handle(TEvPipeCache::TEvDeliveryProblem::TPtr& ev) { 
-        Reply(StatusIds::UNAVAILABLE, TIssuesIds::SHARD_NOT_AVAILABLE, 
-            TStringBuilder() << "Failed to connect to shard: " << ev->Get()->TabletId); 
-    } 
- 
-    void Handle(TEvents::TEvUndelivered::TPtr&) { 
-        Reply(StatusIds::INTERNAL_ERROR, TIssuesIds::DEFAULT_ERROR, "Pipe cache is not available"); 
-    } 
- 
-public: 
-    using TRpcRequestActor<TImportDataRPC, TEvImportDataRequest, true>::TRpcRequestActor; 
- 
-    void Bootstrap() { 
-        switch (Request->GetProtoRequest()->format_case()) { 
-        case Import::ImportDataRequest::kYdbDump: 
-            break; 
-        default: 
-            return Reply(StatusIds::BAD_REQUEST, TIssuesIds::DEFAULT_ERROR, "Unknown format"); 
-        } 
- 
-        GetProxyServices(); 
-    } 
- 
-private: 
+            }
+
+            Y_VERIFY(!keys.empty());
+
+            // sorting constraint
+            if (!CheckSorted(prevKey, keys)) {
+                return Nothing();
+            }
+
+            prevKey = TOwnedCellVec::Make(keys);
+
+            // same partition constraint
+            if (!shardId) {
+                shardId = GetShardId(TTableRange(keys), KeyDesc.Get());
+            }
+
+            if (!CheckSameShard(*shardId, keys)) {
+                return Nothing();
+            }
+
+            // ok
+            auto& row = *request.AddRows();
+            row.SetKeyColumns(TSerializedCellVec::Serialize(keys));
+            row.SetValueColumns(TSerializedCellVec::Serialize(values));
+        }
+
+        return shardId;
+    }
+
+    bool CheckSorted(const TMaybe<TOwnedCellVec>& prevKey, const TVector<TCell>& key) {
+        if (!prevKey) {
+            return true;
+        }
+
+        const int cmp = CompareTypedCellVectors(prevKey->data(), key.data(),
+            KeyDesc->KeyColumnTypes.data(), prevKey->size(), key.size());
+        if (cmp <= 0) {
+            return true;
+        }
+
+        Reply(StatusIds::BAD_REQUEST, TIssuesIds::DEFAULT_ERROR, "Keys must be sorted");
+        return false;
+    }
+
+    bool CheckSameShard(ui64 prevShardId, const TVector<TCell>& key) {
+        const ui64 shardId = GetShardId(TTableRange(key), KeyDesc.Get());
+        if (prevShardId == shardId) {
+            return true;
+        }
+
+        Reply(StatusIds::PRECONDITION_FAILED, TIssuesIds::DEFAULT_ERROR, "All keys must be from the same partition");
+        return false;
+    }
+
+    STATEFN(StateProcessData) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvDataShard::TEvUploadRowsResponse, Handle);
+            hFunc(TEvPipeCache::TEvDeliveryProblem, Handle);
+            hFunc(TEvents::TEvUndelivered, Handle);
+        }
+    }
+
+    void Handle(TEvDataShard::TEvUploadRowsResponse::TPtr& ev) {
+        const auto& record = ev->Get()->Record;
+
+        switch (record.GetStatus()) {
+        case NKikimrTxDataShard::TError::OK:
+            return Reply(MakeOperation(StatusIds::SUCCESS));
+        case NKikimrTxDataShard::TError::SCHEME_ERROR:
+            return Reply(StatusIds::SCHEME_ERROR, TIssuesIds::DEFAULT_ERROR, record.GetErrorDescription());
+        case NKikimrTxDataShard::TError::BAD_ARGUMENT:
+            return Reply(StatusIds::BAD_REQUEST, TIssuesIds::DEFAULT_ERROR, record.GetErrorDescription());
+        case NKikimrTxDataShard::TError::EXECUTION_CANCELLED:
+            return Reply(StatusIds::TIMEOUT, TIssuesIds::DEFAULT_ERROR, record.GetErrorDescription());
+        case NKikimrTxDataShard::TError::WRONG_SHARD_STATE:
+            return Reply(StatusIds::OVERLOADED, TIssuesIds::DEFAULT_ERROR, record.GetErrorDescription());
+        default:
+            return Reply(StatusIds::INTERNAL_ERROR, TIssuesIds::DEFAULT_ERROR, record.GetErrorDescription());
+        };
+    }
+
+    void Handle(TEvPipeCache::TEvDeliveryProblem::TPtr& ev) {
+        Reply(StatusIds::UNAVAILABLE, TIssuesIds::SHARD_NOT_AVAILABLE,
+            TStringBuilder() << "Failed to connect to shard: " << ev->Get()->TabletId);
+    }
+
+    void Handle(TEvents::TEvUndelivered::TPtr&) {
+        Reply(StatusIds::INTERNAL_ERROR, TIssuesIds::DEFAULT_ERROR, "Pipe cache is not available");
+    }
+
+public:
+    using TRpcRequestActor<TImportDataRPC, TEvImportDataRequest, true>::TRpcRequestActor;
+
+    void Bootstrap() {
+        switch (Request->GetProtoRequest()->format_case()) {
+        case Import::ImportDataRequest::kYdbDump:
+            break;
+        default:
+            return Reply(StatusIds::BAD_REQUEST, TIssuesIds::DEFAULT_ERROR, "Unknown format");
+        }
+
+        GetProxyServices();
+    }
+
+private:
     TActorId LeaderPipeCache;
-    THashMap<TString, TSysTables::TTableColumnInfo> Columns; 
-    THolder<TKeyDesc> KeyDesc; 
- 
-}; // TImportDataRPC 
- 
-void TGRpcRequestProxy::Handle(TEvImportDataRequest::TPtr& ev, const TActorContext& ctx) { 
-    ctx.Register(new TImportDataRPC(ev->Release().Release())); 
-} 
- 
-} // namespace NGRpcService 
-} // namespace NKikimr 
+    THashMap<TString, TSysTables::TTableColumnInfo> Columns;
+    THolder<TKeyDesc> KeyDesc;
+
+}; // TImportDataRPC
+
+void TGRpcRequestProxy::Handle(TEvImportDataRequest::TPtr& ev, const TActorContext& ctx) {
+    ctx.Register(new TImportDataRPC(ev->Release().Release()));
+}
+
+} // namespace NGRpcService
+} // namespace NKikimr
diff --git a/ydb/core/grpc_services/rpc_kh_describe.cpp b/ydb/core/grpc_services/rpc_kh_describe.cpp
index bf4aaae455..e2c48213ce 100644
--- a/ydb/core/grpc_services/rpc_kh_describe.cpp
+++ b/ydb/core/grpc_services/rpc_kh_describe.cpp
@@ -159,7 +159,7 @@ private:
         const auto& entry = ResolveNamesResult->ResultSet.front();
 
         if (entry.Status != NSchemeCache::TSchemeCacheNavigate::EStatus::Ok) {
-            return ReplyWithError(Ydb::StatusIds::SCHEME_ERROR, ToString(entry.Status), ctx); 
+            return ReplyWithError(Ydb::StatusIds::SCHEME_ERROR, ToString(entry.Status), ctx);
         }
 
         TString errorMessage;
diff --git a/ydb/core/grpc_services/rpc_kh_snapshots.cpp b/ydb/core/grpc_services/rpc_kh_snapshots.cpp
index 003c8b3e28..c390c81fae 100644
--- a/ydb/core/grpc_services/rpc_kh_snapshots.cpp
+++ b/ydb/core/grpc_services/rpc_kh_snapshots.cpp
@@ -2,7 +2,7 @@
 #include "resolve_local_db_table.h"
 
 #include "rpc_calls.h"
-#include "rpc_common.h" 
+#include "rpc_common.h"
 #include "rpc_deferrable.h"
 
 #include <ydb/core/actorlib_impl/long_timer.h>
@@ -101,8 +101,8 @@ public:
             req->Record.SetUserToken(token);
         }
 
-        SetDatabase(req.Get(), Request()); 
- 
+        SetDatabase(req.Get(), Request());
+
         auto* tx = req->Record.MutableTransaction()->MutableCreateVolatileSnapshot();
         for (const TString& path : proto->path()) {
             if (proto->ignore_system_views() && TryParseLocalDbPath(::NKikimr::SplitPath(path))) {
@@ -237,8 +237,8 @@ public:
             req->Record.SetUserToken(token);
         }
 
-        SetDatabase(req.Get(), Request()); 
- 
+        SetDatabase(req.Get(), Request());
+
         auto* tx = req->Record.MutableTransaction()->MutableRefreshVolatileSnapshot();
         for (const TString& path : proto->path()) {
             if (proto->ignore_system_views() && TryParseLocalDbPath(::NKikimr::SplitPath(path))) {
@@ -378,8 +378,8 @@ public:
             req->Record.SetUserToken(token);
         }
 
-        SetDatabase(req.Get(), Request()); 
- 
+        SetDatabase(req.Get(), Request());
+
         auto* tx = req->Record.MutableTransaction()->MutableDiscardVolatileSnapshot();
         for (const TString& path : proto->path()) {
             if (proto->ignore_system_views() && TryParseLocalDbPath(::NKikimr::SplitPath(path))) {
diff --git a/ydb/core/grpc_services/rpc_kqp_base.h b/ydb/core/grpc_services/rpc_kqp_base.h
index dfe9b160f9..2811a49e78 100644
--- a/ydb/core/grpc_services/rpc_kqp_base.h
+++ b/ydb/core/grpc_services/rpc_kqp_base.h
@@ -19,7 +19,7 @@ inline TString DecodePreparedQueryId(const TString& in) {
         throw NYql::TErrorException(NKikimrIssues::TIssuesIds::DEFAULT_ERROR)
             << "got empty preparedQueryId message";
     }
-    NOperationId::TOperationId opId(in); 
+    NOperationId::TOperationId opId(in);
     const auto& ids = opId.GetValue("id");
     if (ids.size() != 1) {
         throw NYql::TErrorException(NKikimrIssues::TIssuesIds::DEFAULT_ERROR)
diff --git a/ydb/core/grpc_services/rpc_list_operations.cpp b/ydb/core/grpc_services/rpc_list_operations.cpp
index 71f548d733..a905efd8d6 100644
--- a/ydb/core/grpc_services/rpc_list_operations.cpp
+++ b/ydb/core/grpc_services/rpc_list_operations.cpp
@@ -1,80 +1,80 @@
-#include "grpc_request_proxy.h" 
+#include "grpc_request_proxy.h"
 #include "operation_helpers.h"
-#include "rpc_export_base.h" 
-#include "rpc_import_base.h" 
-#include "rpc_calls.h" 
-#include "rpc_operation_request_base.h" 
- 
+#include "rpc_export_base.h"
+#include "rpc_import_base.h"
+#include "rpc_calls.h"
+#include "rpc_operation_request_base.h"
+
 #include <ydb/core/tx/schemeshard/schemeshard_build_index.h>
 #include <ydb/core/tx/schemeshard/schemeshard_export.h>
 #include <ydb/core/tx/schemeshard/schemeshard_import.h>
 #include <ydb/public/lib/operation_id/operation_id.h>
- 
+
 #include <library/cpp/actors/core/hfunc.h>
- 
-namespace NKikimr { 
-namespace NGRpcService { 
- 
-using namespace NActors; 
+
+namespace NKikimr {
+namespace NGRpcService {
+
+using namespace NActors;
 using namespace NSchemeShard;
-using namespace NKikimrIssues; 
-using namespace NOperationId; 
-using namespace Ydb; 
- 
-class TListOperationsRPC: public TRpcOperationRequestActor<TListOperationsRPC, TEvListOperationsRequest>, 
-                          public TExportConv { 
- 
-    TStringBuf GetLogPrefix() const override { 
-        switch (ParseKind(Request->GetProtoRequest()->kind())) { 
-        case TOperationId::EXPORT: 
-            return "[ListExports]"; 
-        case TOperationId::IMPORT: 
-            return "[ListImports]"; 
-        case TOperationId::BUILD_INDEX: 
-            return "[ListIndexBuilds]"; 
-        default: 
-            return "[Untagged]"; 
+using namespace NKikimrIssues;
+using namespace NOperationId;
+using namespace Ydb;
+
+class TListOperationsRPC: public TRpcOperationRequestActor<TListOperationsRPC, TEvListOperationsRequest>,
+                          public TExportConv {
+
+    TStringBuf GetLogPrefix() const override {
+        switch (ParseKind(Request->GetProtoRequest()->kind())) {
+        case TOperationId::EXPORT:
+            return "[ListExports]";
+        case TOperationId::IMPORT:
+            return "[ListImports]";
+        case TOperationId::BUILD_INDEX:
+            return "[ListIndexBuilds]";
+        default:
+            return "[Untagged]";
         }
     }
 
-    IEventBase* MakeRequest() override { 
-        const auto& request = *Request->GetProtoRequest(); 
- 
-        switch (ParseKind(Request->GetProtoRequest()->kind())) { 
-        case TOperationId::EXPORT: 
-            return new TEvExport::TEvListExportsRequest(DatabaseName, request.page_size(), request.page_token(), request.kind()); 
-        case TOperationId::IMPORT: 
-            return new TEvImport::TEvListImportsRequest(DatabaseName, request.page_size(), request.page_token(), request.kind()); 
-        case TOperationId::BUILD_INDEX: 
-            return new TEvIndexBuilder::TEvListRequest(DatabaseName, request.page_size(), request.page_token()); 
-        default: 
-            Y_FAIL("unreachable"); 
-        } 
-    } 
- 
-    void Handle(TEvExport::TEvListExportsResponse::TPtr& ev) { 
-        const auto& record = ev->Get()->Record.GetResponse(); 
-
-        LOG_D("Handle TEvExport::TEvListExportsResponse" 
-            << ": record# " << record.ShortDebugString()); 
-
-        TResponse response; 
-        response.set_status(record.GetStatus()); 
-        if (record.GetIssues().size()) { 
-            response.mutable_issues()->CopyFrom(record.GetIssues()); 
+    IEventBase* MakeRequest() override {
+        const auto& request = *Request->GetProtoRequest();
+
+        switch (ParseKind(Request->GetProtoRequest()->kind())) {
+        case TOperationId::EXPORT:
+            return new TEvExport::TEvListExportsRequest(DatabaseName, request.page_size(), request.page_token(), request.kind());
+        case TOperationId::IMPORT:
+            return new TEvImport::TEvListImportsRequest(DatabaseName, request.page_size(), request.page_token(), request.kind());
+        case TOperationId::BUILD_INDEX:
+            return new TEvIndexBuilder::TEvListRequest(DatabaseName, request.page_size(), request.page_token());
+        default:
+            Y_FAIL("unreachable");
         }
-        for (const auto& entry : record.GetEntries()) { 
-            *response.add_operations() = TExportConv::ToOperation(entry); 
+    }
+
+    void Handle(TEvExport::TEvListExportsResponse::TPtr& ev) {
+        const auto& record = ev->Get()->Record.GetResponse();
+
+        LOG_D("Handle TEvExport::TEvListExportsResponse"
+            << ": record# " << record.ShortDebugString());
+
+        TResponse response;
+        response.set_status(record.GetStatus());
+        if (record.GetIssues().size()) {
+            response.mutable_issues()->CopyFrom(record.GetIssues());
         }
-        response.set_next_page_token(record.GetNextPageToken()); 
-        Reply(response); 
-    } 
+        for (const auto& entry : record.GetEntries()) {
+            *response.add_operations() = TExportConv::ToOperation(entry);
+        }
+        response.set_next_page_token(record.GetNextPageToken());
+        Reply(response);
+    }
 
-    void Handle(TEvImport::TEvListImportsResponse::TPtr& ev) { 
-        const auto& record = ev->Get()->Record.GetResponse(); 
+    void Handle(TEvImport::TEvListImportsResponse::TPtr& ev) {
+        const auto& record = ev->Get()->Record.GetResponse();
 
-        LOG_D("Handle TEvImport::TEvListImportsResponse" 
-            << ": record# " << record.ShortDebugString()); 
+        LOG_D("Handle TEvImport::TEvListImportsResponse"
+            << ": record# " << record.ShortDebugString());
 
         TResponse response;
         response.set_status(record.GetStatus());
@@ -82,65 +82,65 @@ class TListOperationsRPC: public TRpcOperationRequestActor<TListOperationsRPC, T
             response.mutable_issues()->CopyFrom(record.GetIssues());
         }
         for (const auto& entry : record.GetEntries()) {
-            *response.add_operations() = TImportConv::ToOperation(entry); 
+            *response.add_operations() = TImportConv::ToOperation(entry);
         }
         response.set_next_page_token(record.GetNextPageToken());
         Reply(response);
     }
 
-    void Handle(TEvIndexBuilder::TEvListResponse::TPtr& ev) { 
-        const auto& record = ev->Get()->Record; 
- 
-        LOG_D("Handle TEvIndexBuilder::TEvListResponse" 
-            << ": record# " << record.ShortDebugString()); 
- 
-        TResponse response; 
- 
-        response.set_status(record.GetStatus()); 
-        if (record.GetIssues().size()) { 
-            response.mutable_issues()->CopyFrom(record.GetIssues()); 
-        } 
-        for (const auto& entry : record.GetEntries()) { 
-            auto operation = response.add_operations(); 
-            ::NKikimr::NGRpcService::ToOperation(entry, operation); 
-        } 
-        response.set_next_page_token(record.GetNextPageToken()); 
-        Reply(response); 
-    } 
- 
-public: 
-    using TRpcOperationRequestActor::TRpcOperationRequestActor; 
- 
-    void Bootstrap() { 
-        switch (ParseKind(Request->GetProtoRequest()->kind())) { 
-        case TOperationId::EXPORT: 
-        case TOperationId::IMPORT: 
-        case TOperationId::BUILD_INDEX: 
-            break; 
- 
-        default: 
-            return Reply(StatusIds::UNSUPPORTED, TIssuesIds::DEFAULT_ERROR, "Unknown operation kind"); 
-        } 
- 
-        ResolveDatabase(); 
-        Become(&TListOperationsRPC::StateWait); 
-    } 
- 
-    STATEFN(StateWait) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvExport::TEvListExportsResponse, Handle); 
-            hFunc(TEvImport::TEvListImportsResponse, Handle); 
-            hFunc(TEvIndexBuilder::TEvListResponse, Handle); 
-        default: 
-            return StateBase(ev, TlsActivationContext->AsActorContext()); 
-        } 
-    } 
- 
-}; // TListOperationsRPC 
- 
-void TGRpcRequestProxy::Handle(TEvListOperationsRequest::TPtr& ev, const TActorContext& ctx) { 
-    ctx.Register(new TListOperationsRPC(ev->Release().Release())); 
-} 
- 
-} // namespace NGRpcService 
-} // namespace NKikimr 
+    void Handle(TEvIndexBuilder::TEvListResponse::TPtr& ev) {
+        const auto& record = ev->Get()->Record;
+
+        LOG_D("Handle TEvIndexBuilder::TEvListResponse"
+            << ": record# " << record.ShortDebugString());
+
+        TResponse response;
+
+        response.set_status(record.GetStatus());
+        if (record.GetIssues().size()) {
+            response.mutable_issues()->CopyFrom(record.GetIssues());
+        }
+        for (const auto& entry : record.GetEntries()) {
+            auto operation = response.add_operations();
+            ::NKikimr::NGRpcService::ToOperation(entry, operation);
+        }
+        response.set_next_page_token(record.GetNextPageToken());
+        Reply(response);
+    }
+
+public:
+    using TRpcOperationRequestActor::TRpcOperationRequestActor;
+
+    void Bootstrap() {
+        switch (ParseKind(Request->GetProtoRequest()->kind())) {
+        case TOperationId::EXPORT:
+        case TOperationId::IMPORT:
+        case TOperationId::BUILD_INDEX:
+            break;
+
+        default:
+            return Reply(StatusIds::UNSUPPORTED, TIssuesIds::DEFAULT_ERROR, "Unknown operation kind");
+        }
+
+        ResolveDatabase();
+        Become(&TListOperationsRPC::StateWait);
+    }
+
+    STATEFN(StateWait) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvExport::TEvListExportsResponse, Handle);
+            hFunc(TEvImport::TEvListImportsResponse, Handle);
+            hFunc(TEvIndexBuilder::TEvListResponse, Handle);
+        default:
+            return StateBase(ev, TlsActivationContext->AsActorContext());
+        }
+    }
+
+}; // TListOperationsRPC
+
+void TGRpcRequestProxy::Handle(TEvListOperationsRequest::TPtr& ev, const TActorContext& ctx) {
+    ctx.Register(new TListOperationsRPC(ev->Release().Release()));
+}
+
+} // namespace NGRpcService
+} // namespace NKikimr
diff --git a/ydb/core/grpc_services/rpc_make_directory.cpp b/ydb/core/grpc_services/rpc_make_directory.cpp
index 37e30df276..f6e6b2d0cd 100644
--- a/ydb/core/grpc_services/rpc_make_directory.cpp
+++ b/ydb/core/grpc_services/rpc_make_directory.cpp
@@ -34,7 +34,7 @@ private:
         const auto req = GetProtoRequest();
         std::pair<TString, TString> pathPair;
         try {
-            pathPair = SplitPath(Request_->GetDatabaseName(), req->path()); 
+            pathPair = SplitPath(Request_->GetDatabaseName(), req->path());
         } catch (const std::exception& ex) {
             Request_->RaiseIssue(NYql::ExceptionToIssue(ex));
             return ReplyWithResult(StatusIds::BAD_REQUEST, ctx);
@@ -43,7 +43,7 @@ private:
         const auto& workingDir = pathPair.first;
         const auto& name = pathPair.second;
 
-        std::unique_ptr<TEvTxUserProxy::TEvProposeTransaction> proposeRequest = CreateProposeTransaction(); 
+        std::unique_ptr<TEvTxUserProxy::TEvProposeTransaction> proposeRequest = CreateProposeTransaction();
         NKikimrTxUserProxy::TEvProposeTransaction& record = proposeRequest->Record;
         NKikimrSchemeOp::TModifyScheme* modifyScheme = record.MutableTransaction()->MutableModifyScheme();
         modifyScheme->SetWorkingDir(workingDir);
diff --git a/ydb/core/grpc_services/rpc_modify_permissions.cpp b/ydb/core/grpc_services/rpc_modify_permissions.cpp
index 13ee2bbfcb..d9b01887d2 100644
--- a/ydb/core/grpc_services/rpc_modify_permissions.cpp
+++ b/ydb/core/grpc_services/rpc_modify_permissions.cpp
@@ -46,7 +46,7 @@ private:
         const auto& workingDir = pathPair.first;
         const auto& name = pathPair.second;
 
-        std::unique_ptr<TEvTxUserProxy::TEvProposeTransaction> proposeRequest = CreateProposeTransaction(); 
+        std::unique_ptr<TEvTxUserProxy::TEvProposeTransaction> proposeRequest = CreateProposeTransaction();
         NKikimrTxUserProxy::TEvProposeTransaction& record = proposeRequest->Record;
         NKikimrSchemeOp::TModifyScheme* modifyScheme = record.MutableTransaction()->MutableModifyScheme();
         modifyScheme->SetOperationType(NKikimrSchemeOp::EOperationType::ESchemeOpModifyACL);
diff --git a/ydb/core/grpc_services/rpc_operation_request_base.h b/ydb/core/grpc_services/rpc_operation_request_base.h
index 3c97cf6e24..697d2109cd 100644
--- a/ydb/core/grpc_services/rpc_operation_request_base.h
+++ b/ydb/core/grpc_services/rpc_operation_request_base.h
@@ -1,147 +1,147 @@
-#pragma once 
- 
-#include "rpc_request_base.h" 
- 
+#pragma once
+
+#include "rpc_request_base.h"
+
 #include <ydb/core/base/path.h>
 #include <ydb/core/base/tablet_pipe.h>
 #include <ydb/core/tx/tx_proxy/proxy.h>
 #include <ydb/core/tx/scheme_cache/scheme_cache.h>
- 
-namespace NKikimr { 
-namespace NGRpcService { 
- 
-#define LOG_T(stream) LOG_TRACE_S(*TlsActivationContext, NKikimrServices::TX_PROXY, GetLogPrefix() << " " << this->SelfId() << " [" << this->TxId << "] " << stream) 
-#define LOG_D(stream) LOG_DEBUG_S(*TlsActivationContext, NKikimrServices::TX_PROXY, GetLogPrefix() << " " << this->SelfId() << " [" << this->TxId << "] " << stream) 
-#define LOG_I(stream) LOG_INFO_S(*TlsActivationContext, NKikimrServices::TX_PROXY, GetLogPrefix() << " " << this->SelfId() << " [" << this->TxId << "] " << stream) 
-#define LOG_N(stream) LOG_NOTICE_S(*TlsActivationContext, NKikimrServices::TX_PROXY, GetLogPrefix() << " " << this->SelfId() << " [" << this->TxId << "] " << stream) 
-#define LOG_W(stream) LOG_WARN_S(*TlsActivationContext, NKikimrServices::TX_PROXY, GetLogPrefix() << " " << this->SelfId() << " [" << this->TxId << "] " << stream) 
-#define LOG_E(stream) LOG_ERROR_S(*TlsActivationContext, NKikimrServices::TX_PROXY, GetLogPrefix() << " " << this->SelfId() << " [" << this->TxId << "] " << stream) 
- 
-template <typename TDerived, typename TEvRequest, bool HasOperation = false> 
-class TRpcOperationRequestActor: public TRpcRequestActor<TDerived, TEvRequest, HasOperation> { 
-protected: 
-    virtual TStringBuf GetLogPrefix() const = 0; 
-    virtual IEventBase* MakeRequest() = 0; 
- 
-    STATEFN(StateBase) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvTxUserProxy::TEvAllocateTxIdResult, Handle); 
-            hFunc(TEvTxProxySchemeCache::TEvNavigateKeySetResult, Handle); 
- 
-            hFunc(TEvTabletPipe::TEvClientConnected, Handle); 
-            hFunc(TEvTabletPipe::TEvClientDestroyed, Handle); 
-        } 
-    } 
- 
-    void AllocateTxId() { 
-        LOG_D("Allocate txId"); 
-        this->Send(MakeTxProxyID(), new TEvTxUserProxy::TEvAllocateTxId); 
-    } 
- 
-    void Handle(TEvTxUserProxy::TEvAllocateTxIdResult::TPtr& ev) { 
-        TxId = ev->Get()->TxId; 
- 
-        LOG_D("TEvTxUserProxy::TEvAllocateTxIdResult"); 
-        ResolveDatabase(); 
-    } 
- 
-    void ResolveDatabase() { 
-        LOG_D("Resolve database" 
-            << ": name# " << this->DatabaseName); 
- 
-        auto request = MakeHolder<NSchemeCache::TSchemeCacheNavigate>(); 
-        request->DatabaseName = this->DatabaseName; 
- 
-        auto& entry = request->ResultSet.emplace_back(); 
-        entry.Operation = NSchemeCache::TSchemeCacheNavigate::OpPath; 
-        entry.Path = NKikimr::SplitPath(this->DatabaseName); 
- 
-        this->Send(MakeSchemeCacheID(), new TEvTxProxySchemeCache::TEvNavigateKeySet(request.Release())); 
-    } 
- 
-    void Handle(TEvTxProxySchemeCache::TEvNavigateKeySetResult::TPtr& ev) { 
-        const auto& request = ev->Get()->Request; 
- 
-        LOG_D("Handle TEvTxProxySchemeCache::TEvNavigateKeySetResult" 
-            << ": request# " << (request ? request->ToString(*AppData()->TypeRegistry) : "nullptr")); 
- 
-        if (request->ResultSet.empty()) { 
-            return this->Reply(Ydb::StatusIds::SCHEME_ERROR, NKikimrIssues::TIssuesIds::GENERIC_RESOLVE_ERROR); 
-        } 
- 
-        const auto& entry = request->ResultSet.front(); 
- 
-        if (request->ErrorCount > 0) { 
-            switch (entry.Status) { 
-            case NSchemeCache::TSchemeCacheNavigate::EStatus::Ok: 
-                break; 
-            case NSchemeCache::TSchemeCacheNavigate::EStatus::RootUnknown: 
-            case NSchemeCache::TSchemeCacheNavigate::EStatus::PathErrorUnknown: 
-                return this->Reply(Ydb::StatusIds::SCHEME_ERROR, NKikimrIssues::TIssuesIds::PATH_NOT_EXIST); 
-            case NSchemeCache::TSchemeCacheNavigate::EStatus::LookupError: 
-            case NSchemeCache::TSchemeCacheNavigate::EStatus::RedirectLookupError: 
-                return this->Reply(Ydb::StatusIds::UNAVAILABLE, NKikimrIssues::TIssuesIds::RESOLVE_LOOKUP_ERROR); 
-            default: 
-                return this->Reply(Ydb::StatusIds::SCHEME_ERROR, NKikimrIssues::TIssuesIds::GENERIC_RESOLVE_ERROR); 
-            } 
-        } 
- 
-        if (!this->CheckAccess(CanonizePath(entry.Path), entry.SecurityObject, NACLib::GenericRead | NACLib::GenericWrite)) { 
-            return; 
-        } 
- 
-        auto domainInfo = entry.DomainInfo; 
-        if (!domainInfo) { 
-            LOG_E("Got empty domain info"); 
-            return this->Reply(Ydb::StatusIds::INTERNAL_ERROR, NKikimrIssues::TIssuesIds::GENERIC_RESOLVE_ERROR); 
-        } 
- 
-        SendRequest(domainInfo->ExtractSchemeShard()); 
-    } 
- 
-    void SendRequest(ui64 schemeShardId) { 
-        LOG_D("Send request" 
-            << ": schemeShardId# " << schemeShardId); 
- 
-        if (!PipeClient) { 
-            NTabletPipe::TClientConfig config; 
+
+namespace NKikimr {
+namespace NGRpcService {
+
+#define LOG_T(stream) LOG_TRACE_S(*TlsActivationContext, NKikimrServices::TX_PROXY, GetLogPrefix() << " " << this->SelfId() << " [" << this->TxId << "] " << stream)
+#define LOG_D(stream) LOG_DEBUG_S(*TlsActivationContext, NKikimrServices::TX_PROXY, GetLogPrefix() << " " << this->SelfId() << " [" << this->TxId << "] " << stream)
+#define LOG_I(stream) LOG_INFO_S(*TlsActivationContext, NKikimrServices::TX_PROXY, GetLogPrefix() << " " << this->SelfId() << " [" << this->TxId << "] " << stream)
+#define LOG_N(stream) LOG_NOTICE_S(*TlsActivationContext, NKikimrServices::TX_PROXY, GetLogPrefix() << " " << this->SelfId() << " [" << this->TxId << "] " << stream)
+#define LOG_W(stream) LOG_WARN_S(*TlsActivationContext, NKikimrServices::TX_PROXY, GetLogPrefix() << " " << this->SelfId() << " [" << this->TxId << "] " << stream)
+#define LOG_E(stream) LOG_ERROR_S(*TlsActivationContext, NKikimrServices::TX_PROXY, GetLogPrefix() << " " << this->SelfId() << " [" << this->TxId << "] " << stream)
+
+template <typename TDerived, typename TEvRequest, bool HasOperation = false>
+class TRpcOperationRequestActor: public TRpcRequestActor<TDerived, TEvRequest, HasOperation> {
+protected:
+    virtual TStringBuf GetLogPrefix() const = 0;
+    virtual IEventBase* MakeRequest() = 0;
+
+    STATEFN(StateBase) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvTxUserProxy::TEvAllocateTxIdResult, Handle);
+            hFunc(TEvTxProxySchemeCache::TEvNavigateKeySetResult, Handle);
+
+            hFunc(TEvTabletPipe::TEvClientConnected, Handle);
+            hFunc(TEvTabletPipe::TEvClientDestroyed, Handle);
+        }
+    }
+
+    void AllocateTxId() {
+        LOG_D("Allocate txId");
+        this->Send(MakeTxProxyID(), new TEvTxUserProxy::TEvAllocateTxId);
+    }
+
+    void Handle(TEvTxUserProxy::TEvAllocateTxIdResult::TPtr& ev) {
+        TxId = ev->Get()->TxId;
+
+        LOG_D("TEvTxUserProxy::TEvAllocateTxIdResult");
+        ResolveDatabase();
+    }
+
+    void ResolveDatabase() {
+        LOG_D("Resolve database"
+            << ": name# " << this->DatabaseName);
+
+        auto request = MakeHolder<NSchemeCache::TSchemeCacheNavigate>();
+        request->DatabaseName = this->DatabaseName;
+
+        auto& entry = request->ResultSet.emplace_back();
+        entry.Operation = NSchemeCache::TSchemeCacheNavigate::OpPath;
+        entry.Path = NKikimr::SplitPath(this->DatabaseName);
+
+        this->Send(MakeSchemeCacheID(), new TEvTxProxySchemeCache::TEvNavigateKeySet(request.Release()));
+    }
+
+    void Handle(TEvTxProxySchemeCache::TEvNavigateKeySetResult::TPtr& ev) {
+        const auto& request = ev->Get()->Request;
+
+        LOG_D("Handle TEvTxProxySchemeCache::TEvNavigateKeySetResult"
+            << ": request# " << (request ? request->ToString(*AppData()->TypeRegistry) : "nullptr"));
+
+        if (request->ResultSet.empty()) {
+            return this->Reply(Ydb::StatusIds::SCHEME_ERROR, NKikimrIssues::TIssuesIds::GENERIC_RESOLVE_ERROR);
+        }
+
+        const auto& entry = request->ResultSet.front();
+
+        if (request->ErrorCount > 0) {
+            switch (entry.Status) {
+            case NSchemeCache::TSchemeCacheNavigate::EStatus::Ok:
+                break;
+            case NSchemeCache::TSchemeCacheNavigate::EStatus::RootUnknown:
+            case NSchemeCache::TSchemeCacheNavigate::EStatus::PathErrorUnknown:
+                return this->Reply(Ydb::StatusIds::SCHEME_ERROR, NKikimrIssues::TIssuesIds::PATH_NOT_EXIST);
+            case NSchemeCache::TSchemeCacheNavigate::EStatus::LookupError:
+            case NSchemeCache::TSchemeCacheNavigate::EStatus::RedirectLookupError:
+                return this->Reply(Ydb::StatusIds::UNAVAILABLE, NKikimrIssues::TIssuesIds::RESOLVE_LOOKUP_ERROR);
+            default:
+                return this->Reply(Ydb::StatusIds::SCHEME_ERROR, NKikimrIssues::TIssuesIds::GENERIC_RESOLVE_ERROR);
+            }
+        }
+
+        if (!this->CheckAccess(CanonizePath(entry.Path), entry.SecurityObject, NACLib::GenericRead | NACLib::GenericWrite)) {
+            return;
+        }
+
+        auto domainInfo = entry.DomainInfo;
+        if (!domainInfo) {
+            LOG_E("Got empty domain info");
+            return this->Reply(Ydb::StatusIds::INTERNAL_ERROR, NKikimrIssues::TIssuesIds::GENERIC_RESOLVE_ERROR);
+        }
+
+        SendRequest(domainInfo->ExtractSchemeShard());
+    }
+
+    void SendRequest(ui64 schemeShardId) {
+        LOG_D("Send request"
+            << ": schemeShardId# " << schemeShardId);
+
+        if (!PipeClient) {
+            NTabletPipe::TClientConfig config;
             config.RetryPolicy = {.RetryLimitCount = 3};
             PipeClient = this->RegisterWithSameMailbox(NTabletPipe::CreateClient(this->SelfId(), schemeShardId, config));
-        } 
- 
-        NTabletPipe::SendData(this->SelfId(), PipeClient, MakeRequest()); 
-    } 
- 
-    void Handle(TEvTabletPipe::TEvClientConnected::TPtr& ev) { 
-        if (ev->Get()->Status != NKikimrProto::OK) { 
-            DeliveryProblem(); 
-        } 
-    } 
- 
-    void Handle(TEvTabletPipe::TEvClientDestroyed::TPtr&) { 
-        DeliveryProblem(); 
-    } 
- 
-    void DeliveryProblem() { 
-        LOG_W("Delivery problem"); 
-        this->Reply(Ydb::StatusIds::UNAVAILABLE); 
-    } 
- 
-    void PassAway() override { 
-        NTabletPipe::CloseAndForgetClient(this->SelfId(), PipeClient); 
-        IActor::PassAway(); 
-    } 
- 
-public: 
-    using TRpcRequestActor<TDerived, TEvRequest, HasOperation>::TRpcRequestActor; 
- 
-protected: 
-    ui64 TxId = 0; 
- 
-private: 
-    TActorId PipeClient; 
- 
-}; // TRpcOperationRequestActor 
- 
-} // namespace NGRpcService 
-} // namespace NKikimr 
+        }
+
+        NTabletPipe::SendData(this->SelfId(), PipeClient, MakeRequest());
+    }
+
+    void Handle(TEvTabletPipe::TEvClientConnected::TPtr& ev) {
+        if (ev->Get()->Status != NKikimrProto::OK) {
+            DeliveryProblem();
+        }
+    }
+
+    void Handle(TEvTabletPipe::TEvClientDestroyed::TPtr&) {
+        DeliveryProblem();
+    }
+
+    void DeliveryProblem() {
+        LOG_W("Delivery problem");
+        this->Reply(Ydb::StatusIds::UNAVAILABLE);
+    }
+
+    void PassAway() override {
+        NTabletPipe::CloseAndForgetClient(this->SelfId(), PipeClient);
+        IActor::PassAway();
+    }
+
+public:
+    using TRpcRequestActor<TDerived, TEvRequest, HasOperation>::TRpcRequestActor;
+
+protected:
+    ui64 TxId = 0;
+
+private:
+    TActorId PipeClient;
+
+}; // TRpcOperationRequestActor
+
+} // namespace NGRpcService
+} // namespace NKikimr
diff --git a/ydb/core/grpc_services/rpc_prepare_data_query.cpp b/ydb/core/grpc_services/rpc_prepare_data_query.cpp
index cd7dc4f4e5..eb4c571877 100644
--- a/ydb/core/grpc_services/rpc_prepare_data_query.cpp
+++ b/ydb/core/grpc_services/rpc_prepare_data_query.cpp
@@ -15,7 +15,7 @@ namespace NKikimr {
 namespace NGRpcService {
 
 using namespace NActors;
-using namespace NOperationId; 
+using namespace NOperationId;
 using namespace Ydb;
 using namespace NKqp;
 
diff --git a/ydb/core/grpc_services/rpc_read_columns.cpp b/ydb/core/grpc_services/rpc_read_columns.cpp
index dff855df3f..4baae606a9 100644
--- a/ydb/core/grpc_services/rpc_read_columns.cpp
+++ b/ydb/core/grpc_services/rpc_read_columns.cpp
@@ -198,7 +198,7 @@ private:
         Y_VERIFY(ResolveNamesResult->ResultSet.size() == 1);
         const auto& entry = ResolveNamesResult->ResultSet.front();
         if (entry.Status != NSchemeCache::TSchemeCacheNavigate::EStatus::Ok) {
-            return ReplyWithError(Ydb::StatusIds::SCHEME_ERROR, ToString(entry.Status), ctx); 
+            return ReplyWithError(Ydb::StatusIds::SCHEME_ERROR, ToString(entry.Status), ctx);
         }
 
         TString errorMessage;
diff --git a/ydb/core/grpc_services/rpc_remove_directory.cpp b/ydb/core/grpc_services/rpc_remove_directory.cpp
index d0b0d9dae8..9bdc2ad7b2 100644
--- a/ydb/core/grpc_services/rpc_remove_directory.cpp
+++ b/ydb/core/grpc_services/rpc_remove_directory.cpp
@@ -42,7 +42,7 @@ private:
         const auto& workingDir = pathPair.first;
         const auto& name = pathPair.second;
 
-        std::unique_ptr<TEvTxUserProxy::TEvProposeTransaction> proposeRequest = CreateProposeTransaction(); 
+        std::unique_ptr<TEvTxUserProxy::TEvProposeTransaction> proposeRequest = CreateProposeTransaction();
         NKikimrTxUserProxy::TEvProposeTransaction& record = proposeRequest->Record;
         NKikimrSchemeOp::TModifyScheme* modifyScheme = record.MutableTransaction()->MutableModifyScheme();
         modifyScheme->SetWorkingDir(workingDir);
diff --git a/ydb/core/grpc_services/rpc_request_base.h b/ydb/core/grpc_services/rpc_request_base.h
index 692b5f4522..b5cb84fc0b 100644
--- a/ydb/core/grpc_services/rpc_request_base.h
+++ b/ydb/core/grpc_services/rpc_request_base.h
@@ -1,5 +1,5 @@
-#pragma once 
- 
+#pragma once
+
 #include <ydb/core/base/appdata.h>
 #include <ydb/core/base/kikimr_issue.h>
 #include <ydb/core/protos/services.pb.h>
@@ -8,160 +8,160 @@
 #include <ydb/public/api/protos/ydb_operation.pb.h>
 #include <ydb/public/api/protos/ydb_status_codes.pb.h>
 #include <ydb/public/api/protos/ydb_issue_message.pb.h>
- 
+
 #include <library/cpp/actors/core/actor_bootstrapped.h>
- 
-#include <util/generic/ptr.h> 
- 
-namespace NKikimr { 
-namespace NGRpcService { 
- 
-using namespace NActors; 
- 
-template <typename TDerived, typename TEvRequest, bool HasOperation = false> 
-class TRpcRequestActor: public TActorBootstrapped<TDerived> { 
-public: 
-    using TRequest = typename TEvRequest::TRequest; 
-    using TResponse = typename TEvRequest::TResponse; 
-    using TOperation = Ydb::Operations::Operation; 
- 
-protected: 
-    void Reply( 
-        const TResponse& response, 
-        const Ydb::StatusIds::StatusCode status = Ydb::StatusIds::SUCCESS 
-    ) { 
+
+#include <util/generic/ptr.h>
+
+namespace NKikimr {
+namespace NGRpcService {
+
+using namespace NActors;
+
+template <typename TDerived, typename TEvRequest, bool HasOperation = false>
+class TRpcRequestActor: public TActorBootstrapped<TDerived> {
+public:
+    using TRequest = typename TEvRequest::TRequest;
+    using TResponse = typename TEvRequest::TResponse;
+    using TOperation = Ydb::Operations::Operation;
+
+protected:
+    void Reply(
+        const TResponse& response,
+        const Ydb::StatusIds::StatusCode status = Ydb::StatusIds::SUCCESS
+    ) {
         TProtoResponseHelper::SendProtoResponse(response, status, Request);
-        this->PassAway(); 
-    } 
- 
-    void Reply( 
-        const Ydb::StatusIds::StatusCode status, 
-        const google::protobuf::RepeatedPtrField<Ydb::Issue::IssueMessage>& issues 
-    ) { 
-        TResponse response; 
-        if constexpr (HasOperation) { 
-            *response.mutable_operation() = MakeOperation(status, issues); 
-        } else { 
-            response.set_status(status); 
-            if (issues.size()) { 
-                response.mutable_issues()->CopyFrom(issues); 
-            } 
-        } 
-        Reply(response, status); 
-    } 
- 
-    void Reply(const Ydb::StatusIds::StatusCode status, const TString& error = TString()) { 
-        Reply(status, ErrorToIssues(error)); 
-    } 
- 
-    void Reply( 
-        const Ydb::StatusIds::StatusCode status, 
-        NKikimrIssues::TIssuesIds::EIssueCode code, 
-        const TString& error 
-    ) { 
-        Request->RaiseIssue(MakeIssue(code, error)); 
+        this->PassAway();
+    }
+
+    void Reply(
+        const Ydb::StatusIds::StatusCode status,
+        const google::protobuf::RepeatedPtrField<Ydb::Issue::IssueMessage>& issues
+    ) {
+        TResponse response;
+        if constexpr (HasOperation) {
+            *response.mutable_operation() = MakeOperation(status, issues);
+        } else {
+            response.set_status(status);
+            if (issues.size()) {
+                response.mutable_issues()->CopyFrom(issues);
+            }
+        }
+        Reply(response, status);
+    }
+
+    void Reply(const Ydb::StatusIds::StatusCode status, const TString& error = TString()) {
+        Reply(status, ErrorToIssues(error));
+    }
+
+    void Reply(
+        const Ydb::StatusIds::StatusCode status,
+        NKikimrIssues::TIssuesIds::EIssueCode code,
+        const TString& error
+    ) {
+        Request->RaiseIssue(MakeIssue(code, error));
         Reply(status, error);
-    } 
- 
-    void Reply(const Ydb::StatusIds::StatusCode status, NKikimrIssues::TIssuesIds::EIssueCode code) { 
-        Request->RaiseIssue(MakeIssue(code)); 
-        Reply(status); 
-    } 
- 
-    void Reply(const Ydb::Operations::Operation& operation) { 
+    }
+
+    void Reply(const Ydb::StatusIds::StatusCode status, NKikimrIssues::TIssuesIds::EIssueCode code) {
+        Request->RaiseIssue(MakeIssue(code));
+        Reply(status);
+    }
+
+    void Reply(const Ydb::Operations::Operation& operation) {
         Request->SendOperation(operation);
         this->PassAway();
-    } 
- 
-    bool CheckAccess(const TString& path, TIntrusivePtr<TSecurityObject> securityObject, ui32 access) { 
-        if (!UserToken || !securityObject) { 
-            return true; 
-        } 
- 
-        if (securityObject->CheckAccess(access, *UserToken)) { 
-            return true; 
-        } 
- 
-        Reply(Ydb::StatusIds::UNAUTHORIZED, NKikimrIssues::TIssuesIds::ACCESS_DENIED, 
-            TStringBuilder() << "Access denied" 
-                << ": for# " << UserToken->GetUserSID() 
-                << ", path# " << path 
-                << ", access# " << NACLib::AccessRightsToString(access)); 
-        return false; 
-    } 
- 
-    template <typename TResult, typename TMetadata> 
-    static TOperation MakeOperation( 
-        const TString& id, 
-        const Ydb::StatusIds::StatusCode status, 
-        const google::protobuf::RepeatedPtrField<Ydb::Issue::IssueMessage>& issues, 
-        const TResult& result, const TMetadata& metadata 
-    ) { 
-        TOperation operation = MakeOperationBase(id, true, status, issues); 
-        operation.mutable_result()->PackFrom(result); 
-        operation.mutable_metadata()->PackFrom(metadata); 
-        return operation; 
-    } 
- 
-    static TOperation MakeOperation( 
-        const Ydb::StatusIds::StatusCode status, 
-        const google::protobuf::RepeatedPtrField<Ydb::Issue::IssueMessage>& issues 
-    ) { 
-        return MakeOperationBase(TString(), true, status, issues); 
-    } 
- 
-    static TOperation MakeOperation(const Ydb::StatusIds::StatusCode status, const TString& error = TString()) { 
-        return MakeOperation(status, ErrorToIssues(error)); 
-    } 
- 
-public: 
-    static constexpr NKikimrServices::TActivity::EType ActorActivityType() { 
-        return NKikimrServices::TActivity::GRPC_REQ; 
-    } 
- 
-    explicit TRpcRequestActor(TEvRequest* ev) 
-        : Request(ev) 
-        , DatabaseName(Request->GetDatabaseName().GetOrElse(DatabaseFromDomain(AppData()))) 
-    { 
-        if (const auto& userToken = Request->GetInternalToken()) { 
-            UserToken = MakeHolder<NACLib::TUserToken>(userToken); 
-        } 
-    } 
- 
-private: 
-    static google::protobuf::RepeatedPtrField<Ydb::Issue::IssueMessage> ErrorToIssues(const TString& error) { 
-        google::protobuf::RepeatedPtrField<Ydb::Issue::IssueMessage> issues; 
- 
-        if (error) { 
-            auto& issue = *issues.Add(); 
-            issue.set_severity(NYql::TSeverityIds::S_ERROR); 
-            issue.set_message(error); 
-        } 
- 
-        return issues; 
-    } 
- 
-    static TOperation MakeOperationBase( 
-        const TString& id, const bool ready, 
-        const Ydb::StatusIds::StatusCode status, 
-        const google::protobuf::RepeatedPtrField<Ydb::Issue::IssueMessage>& issues 
-    ) { 
-        TOperation operation; 
-        operation.set_id(id); 
-        operation.set_ready(ready); 
-        operation.set_status(status); 
-        if (issues.size()) { 
-            operation.mutable_issues()->CopyFrom(issues); 
-        } 
-        return operation; 
-    } 
- 
-protected: 
-    THolder<TEvRequest> Request; 
-    const TString DatabaseName; 
-    THolder<const NACLib::TUserToken> UserToken; 
- 
-}; // TRpcRequestActor 
- 
-} // namespace NGRpcService 
-} // namespace NKikimr 
+    }
+
+    bool CheckAccess(const TString& path, TIntrusivePtr<TSecurityObject> securityObject, ui32 access) {
+        if (!UserToken || !securityObject) {
+            return true;
+        }
+
+        if (securityObject->CheckAccess(access, *UserToken)) {
+            return true;
+        }
+
+        Reply(Ydb::StatusIds::UNAUTHORIZED, NKikimrIssues::TIssuesIds::ACCESS_DENIED,
+            TStringBuilder() << "Access denied"
+                << ": for# " << UserToken->GetUserSID()
+                << ", path# " << path
+                << ", access# " << NACLib::AccessRightsToString(access));
+        return false;
+    }
+
+    template <typename TResult, typename TMetadata>
+    static TOperation MakeOperation(
+        const TString& id,
+        const Ydb::StatusIds::StatusCode status,
+        const google::protobuf::RepeatedPtrField<Ydb::Issue::IssueMessage>& issues,
+        const TResult& result, const TMetadata& metadata
+    ) {
+        TOperation operation = MakeOperationBase(id, true, status, issues);
+        operation.mutable_result()->PackFrom(result);
+        operation.mutable_metadata()->PackFrom(metadata);
+        return operation;
+    }
+
+    static TOperation MakeOperation(
+        const Ydb::StatusIds::StatusCode status,
+        const google::protobuf::RepeatedPtrField<Ydb::Issue::IssueMessage>& issues
+    ) {
+        return MakeOperationBase(TString(), true, status, issues);
+    }
+
+    static TOperation MakeOperation(const Ydb::StatusIds::StatusCode status, const TString& error = TString()) {
+        return MakeOperation(status, ErrorToIssues(error));
+    }
+
+public:
+    static constexpr NKikimrServices::TActivity::EType ActorActivityType() {
+        return NKikimrServices::TActivity::GRPC_REQ;
+    }
+
+    explicit TRpcRequestActor(TEvRequest* ev)
+        : Request(ev)
+        , DatabaseName(Request->GetDatabaseName().GetOrElse(DatabaseFromDomain(AppData())))
+    {
+        if (const auto& userToken = Request->GetInternalToken()) {
+            UserToken = MakeHolder<NACLib::TUserToken>(userToken);
+        }
+    }
+
+private:
+    static google::protobuf::RepeatedPtrField<Ydb::Issue::IssueMessage> ErrorToIssues(const TString& error) {
+        google::protobuf::RepeatedPtrField<Ydb::Issue::IssueMessage> issues;
+
+        if (error) {
+            auto& issue = *issues.Add();
+            issue.set_severity(NYql::TSeverityIds::S_ERROR);
+            issue.set_message(error);
+        }
+
+        return issues;
+    }
+
+    static TOperation MakeOperationBase(
+        const TString& id, const bool ready,
+        const Ydb::StatusIds::StatusCode status,
+        const google::protobuf::RepeatedPtrField<Ydb::Issue::IssueMessage>& issues
+    ) {
+        TOperation operation;
+        operation.set_id(id);
+        operation.set_ready(ready);
+        operation.set_status(status);
+        if (issues.size()) {
+            operation.mutable_issues()->CopyFrom(issues);
+        }
+        return operation;
+    }
+
+protected:
+    THolder<TEvRequest> Request;
+    const TString DatabaseName;
+    THolder<const NACLib::TUserToken> UserToken;
+
+}; // TRpcRequestActor
+
+} // namespace NGRpcService
+} // namespace NKikimr
diff --git a/ydb/core/grpc_services/rpc_scheme_base.h b/ydb/core/grpc_services/rpc_scheme_base.h
index 10b38ce1d5..0be68e802e 100644
--- a/ydb/core/grpc_services/rpc_scheme_base.h
+++ b/ydb/core/grpc_services/rpc_scheme_base.h
@@ -29,14 +29,14 @@ protected:
         }
     }
 
-    std::unique_ptr<TEvTxUserProxy::TEvProposeTransaction> CreateProposeTransaction() { 
-        std::unique_ptr<TEvTxUserProxy::TEvProposeTransaction> proposeRequest(new TEvTxUserProxy::TEvProposeTransaction()); 
-        SetAuthToken(proposeRequest, *this->Request_); 
-        SetDatabase(proposeRequest.get(), *this->Request_); 
-        SetRequestType(proposeRequest.get(), *this->Request_); 
-        return proposeRequest; 
-    } 
- 
+    std::unique_ptr<TEvTxUserProxy::TEvProposeTransaction> CreateProposeTransaction() {
+        std::unique_ptr<TEvTxUserProxy::TEvProposeTransaction> proposeRequest(new TEvTxUserProxy::TEvProposeTransaction());
+        SetAuthToken(proposeRequest, *this->Request_);
+        SetDatabase(proposeRequest.get(), *this->Request_);
+        SetRequestType(proposeRequest.get(), *this->Request_);
+        return proposeRequest;
+    }
+
     void Handle(TEvTabletPipe::TEvClientConnected::TPtr &ev, const TActorContext &ctx) {
         if (ev->Get()->Status != NKikimrProto::OK) {
             NYql::TIssues issues;
@@ -79,9 +79,9 @@ protected:
                 NTabletPipe::SendData(ctx, SchemePipeActorId_, request.Release());
                 return;
             }
-            case TEvTxUserProxy::TEvProposeTransactionStatus::EStatus::WrongRequest: { 
-                return this->ReplyWithResult(Ydb::StatusIds::BAD_REQUEST, issueMessage, ctx); 
-            } 
+            case TEvTxUserProxy::TEvProposeTransactionStatus::EStatus::WrongRequest: {
+                return this->ReplyWithResult(Ydb::StatusIds::BAD_REQUEST, issueMessage, ctx);
+            }
             case TEvTxUserProxy::TResultStatus::AccessDenied: {
                 return this->ReplyWithResult(Ydb::StatusIds::UNAUTHORIZED, issueMessage, ctx);
             }
diff --git a/ydb/core/grpc_services/table_profiles.cpp b/ydb/core/grpc_services/table_profiles.cpp
index f8cc46c5b4..367de4cc89 100644
--- a/ydb/core/grpc_services/table_profiles.cpp
+++ b/ydb/core/grpc_services/table_profiles.cpp
@@ -170,7 +170,7 @@ bool TTableProfiles::ApplyTableProfile(const Ydb::Table::TableProfile &profile,
             partitioningPolicy.SetUniformPartitionsCount(policy.uniform_partitions());
             break;
         case Ydb::Table::PartitioningPolicy::kExplicitPartitions:
-            if (!CopyExplicitPartitions(tableDesc, policy.explicit_partitions(), code, error)) 
+            if (!CopyExplicitPartitions(tableDesc, policy.explicit_partitions(), code, error))
                 return false;
             break;
         default:
diff --git a/ydb/core/grpc_services/table_settings.cpp b/ydb/core/grpc_services/table_settings.cpp
index 5cf982477e..97dc63a53c 100644
--- a/ydb/core/grpc_services/table_settings.cpp
+++ b/ydb/core/grpc_services/table_settings.cpp
@@ -4,46 +4,46 @@ namespace NKikimr {
 namespace NGRpcService {
 
 bool FillCreateTableSettingsDesc(NKikimrSchemeOp::TTableDescription& out,
-    const Ydb::Table::CreateTableRequest& in, const NGRpcService::TTableProfiles& profiles, 
-    Ydb::StatusIds::StatusCode& code, TString& error, TList<TString>& warnings) { 
+    const Ydb::Table::CreateTableRequest& in, const NGRpcService::TTableProfiles& profiles,
+    Ydb::StatusIds::StatusCode& code, TString& error, TList<TString>& warnings) {
 
     bool tableProfileSet = false;
-    if (in.has_profile()) { 
-        const auto& profile = in.profile(); 
+    if (in.has_profile()) {
+        const auto& profile = in.profile();
         tableProfileSet = profile.preset_name() || profile.has_compaction_policy() || profile.has_execution_policy()
             || profile.has_partitioning_policy() || profile.has_storage_policy() || profile.has_replication_policy()
             || profile.has_caching_policy();
     }
- 
-    auto &partitionConfig = *out.MutablePartitionConfig(); 
-    if (!in.compaction_policy().empty()) { 
+
+    auto &partitionConfig = *out.MutablePartitionConfig();
+    if (!in.compaction_policy().empty()) {
         if (tableProfileSet) {
             MEWarning("CompactionPolicy", warnings);
         }
-        if (!profiles.ApplyCompactionPolicy(in.compaction_policy(), partitionConfig, code, error)) { 
+        if (!profiles.ApplyCompactionPolicy(in.compaction_policy(), partitionConfig, code, error)) {
             return false;
         }
     }
 
-    return NKikimr::FillCreateTableSettingsDesc(out, in, code, error, warnings, tableProfileSet); 
-} 
+    return NKikimr::FillCreateTableSettingsDesc(out, in, code, error, warnings, tableProfileSet);
+}
 
 bool FillAlterTableSettingsDesc(NKikimrSchemeOp::TTableDescription& out,
-    const Ydb::Table::AlterTableRequest& in, const NGRpcService::TTableProfiles& profiles, 
-    Ydb::StatusIds::StatusCode& code, TString& error, const TAppData* appData) { 
+    const Ydb::Table::AlterTableRequest& in, const NGRpcService::TTableProfiles& profiles,
+    Ydb::StatusIds::StatusCode& code, TString& error, const TAppData* appData) {
 
     bool changed = false;
-    auto &partitionConfig = *out.MutablePartitionConfig(); 
+    auto &partitionConfig = *out.MutablePartitionConfig();
 
-    if (in.set_compaction_policy()) { 
-        if (!profiles.ApplyCompactionPolicy(in.set_compaction_policy(), partitionConfig, code, error, appData)) { 
+    if (in.set_compaction_policy()) {
+        if (!profiles.ApplyCompactionPolicy(in.set_compaction_policy(), partitionConfig, code, error, appData)) {
             return false;
         }
 
         changed = true;
     }
 
-    return NKikimr::FillAlterTableSettingsDesc(out, in, code, error, changed); 
+    return NKikimr::FillAlterTableSettingsDesc(out, in, code, error, changed);
 }
 
 } // namespace NGRpcService
diff --git a/ydb/core/grpc_services/table_settings.h b/ydb/core/grpc_services/table_settings.h
index 4f8b211ceb..c8c6d26281 100644
--- a/ydb/core/grpc_services/table_settings.h
+++ b/ydb/core/grpc_services/table_settings.h
@@ -8,11 +8,11 @@ namespace NKikimr {
 namespace NGRpcService {
 
 bool FillCreateTableSettingsDesc(NKikimrSchemeOp::TTableDescription& out,
-    const Ydb::Table::CreateTableRequest& in, const NGRpcService::TTableProfiles& profiles, 
+    const Ydb::Table::CreateTableRequest& in, const NGRpcService::TTableProfiles& profiles,
     Ydb::StatusIds::StatusCode& code, TString& error, TList<TString>& warnings);
 
 bool FillAlterTableSettingsDesc(NKikimrSchemeOp::TTableDescription& out,
-    const Ydb::Table::AlterTableRequest& in, const NGRpcService::TTableProfiles& profiles, 
+    const Ydb::Table::AlterTableRequest& in, const NGRpcService::TTableProfiles& profiles,
     Ydb::StatusIds::StatusCode& code, TString& error, const TAppData* appData);
 
 } // namespace NGRpcService
diff --git a/ydb/core/grpc_services/validation/helpers.cpp b/ydb/core/grpc_services/validation/helpers.cpp
index 86bb1ff95a..0b30fdcec7 100644
--- a/ydb/core/grpc_services/validation/helpers.cpp
+++ b/ydb/core/grpc_services/validation/helpers.cpp
@@ -1,66 +1,66 @@
-#include "helpers.h" 
- 
+#include "helpers.h"
+
 #include <google/protobuf/compiler/cpp/cpp_helpers.h>
 #include <google/protobuf/any.pb.h>
 #include <google/protobuf/duration.pb.h>
 #include <google/protobuf/empty.pb.h>
 #include <google/protobuf/timestamp.pb.h>
- 
-#include <util/string/builder.h> 
-#include <util/string/subst.h> 
- 
-namespace NKikimr { 
-namespace NValidation { 
- 
-static TString ProtoFileNameStripped(const google::protobuf::Descriptor* message) { 
-    return google::protobuf::compiler::cpp::StripProto(message->file()->name()); 
-} 
- 
-TString HeaderFileName(const google::protobuf::Descriptor* message) { 
-    return ProtoFileNameStripped(message).append(".pb.h"); 
-} 
- 
-TString SourceFileName(const google::protobuf::Descriptor* message) { 
-    return ProtoFileNameStripped(message).append(".pb.cc"); 
-} 
- 
-TString ClassScope(const google::protobuf::Descriptor* message) { 
-    return "class_scope:" + message->full_name(); 
-} 
- 
-TString NamespaceScope() { 
-    return "namespace_scope"; 
-} 
- 
-TString ClassName(const google::protobuf::Descriptor* message) { 
-    const TString ns = message->file()->package(); 
-    TString className = !ns.empty() ? message->full_name().substr(ns.size() + 1) : message->full_name(); 
-    SubstGlobal(className, ".", "::"); 
-    return className; 
-} 
- 
-bool IsCustomMessage(const google::protobuf::Descriptor* message) { 
-    if (!message) { 
-        return false; 
-    } 
-    if (message->full_name() == google::protobuf::Any::descriptor()->full_name()) { 
-        return false; 
-    } 
-    if (message->full_name() == google::protobuf::Duration::descriptor()->full_name()) { 
-        return false; 
-    } 
-    if (message->full_name() == google::protobuf::Empty::descriptor()->full_name()) { 
-        return false; 
-    } 
-    if (message->full_name() == google::protobuf::Timestamp::descriptor()->full_name()) { 
-        return false; 
-    } 
-    if (message->options().map_entry()) { 
-        return false; 
-    } 
- 
-    return true; 
-} 
- 
-} // NValidation 
-} // NKikimr 
+
+#include <util/string/builder.h>
+#include <util/string/subst.h>
+
+namespace NKikimr {
+namespace NValidation {
+
+static TString ProtoFileNameStripped(const google::protobuf::Descriptor* message) {
+    return google::protobuf::compiler::cpp::StripProto(message->file()->name());
+}
+
+TString HeaderFileName(const google::protobuf::Descriptor* message) {
+    return ProtoFileNameStripped(message).append(".pb.h");
+}
+
+TString SourceFileName(const google::protobuf::Descriptor* message) {
+    return ProtoFileNameStripped(message).append(".pb.cc");
+}
+
+TString ClassScope(const google::protobuf::Descriptor* message) {
+    return "class_scope:" + message->full_name();
+}
+
+TString NamespaceScope() {
+    return "namespace_scope";
+}
+
+TString ClassName(const google::protobuf::Descriptor* message) {
+    const TString ns = message->file()->package();
+    TString className = !ns.empty() ? message->full_name().substr(ns.size() + 1) : message->full_name();
+    SubstGlobal(className, ".", "::");
+    return className;
+}
+
+bool IsCustomMessage(const google::protobuf::Descriptor* message) {
+    if (!message) {
+        return false;
+    }
+    if (message->full_name() == google::protobuf::Any::descriptor()->full_name()) {
+        return false;
+    }
+    if (message->full_name() == google::protobuf::Duration::descriptor()->full_name()) {
+        return false;
+    }
+    if (message->full_name() == google::protobuf::Empty::descriptor()->full_name()) {
+        return false;
+    }
+    if (message->full_name() == google::protobuf::Timestamp::descriptor()->full_name()) {
+        return false;
+    }
+    if (message->options().map_entry()) {
+        return false;
+    }
+
+    return true;
+}
+
+} // NValidation
+} // NKikimr
diff --git a/ydb/core/grpc_services/validation/helpers.h b/ydb/core/grpc_services/validation/helpers.h
index 7a76990544..60047a9dd7 100644
--- a/ydb/core/grpc_services/validation/helpers.h
+++ b/ydb/core/grpc_services/validation/helpers.h
@@ -1,19 +1,19 @@
-#pragma once 
- 
+#pragma once
+
 #include <google/protobuf/descriptor.h>
- 
-#include <util/generic/string.h> 
- 
-namespace NKikimr { 
-namespace NValidation { 
- 
-TString HeaderFileName(const google::protobuf::Descriptor* message); 
-TString SourceFileName(const google::protobuf::Descriptor* message); 
-TString ClassScope(const google::protobuf::Descriptor* message); 
-TString NamespaceScope(); 
-TString ClassName(const google::protobuf::Descriptor* message); 
- 
-bool IsCustomMessage(const google::protobuf::Descriptor* message); 
- 
-} // NValidation 
-} // NKikimr 
+
+#include <util/generic/string.h>
+
+namespace NKikimr {
+namespace NValidation {
+
+TString HeaderFileName(const google::protobuf::Descriptor* message);
+TString SourceFileName(const google::protobuf::Descriptor* message);
+TString ClassScope(const google::protobuf::Descriptor* message);
+TString NamespaceScope();
+TString ClassName(const google::protobuf::Descriptor* message);
+
+bool IsCustomMessage(const google::protobuf::Descriptor* message);
+
+} // NValidation
+} // NKikimr
diff --git a/ydb/core/grpc_services/validation/main.cpp b/ydb/core/grpc_services/validation/main.cpp
index 81b8092ca2..68c4bda65c 100644
--- a/ydb/core/grpc_services/validation/main.cpp
+++ b/ydb/core/grpc_services/validation/main.cpp
@@ -1,581 +1,581 @@
-#include "helpers.h" 
- 
+#include "helpers.h"
+
 #include <ydb/public/api//protos/annotations/validation.pb.h>
 #include <ydb/core/util/yverify_stream.h>
- 
+
 #include <google/protobuf/compiler/code_generator.h>
 #include <google/protobuf/compiler/plugin.h>
 #include <google/protobuf/io/printer.h>
 #include <google/protobuf/io/zero_copy_stream.h>
- 
-#include <util/generic/hash.h> 
-#include <util/generic/maybe.h> 
-#include <util/generic/ptr.h> 
-#include <util/generic/vector.h> 
-#include <util/string/builder.h> 
-#include <util/string/cast.h> 
-#include <util/string/subst.h> 
- 
-namespace NKikimr { 
-namespace NValidation { 
- 
-using namespace google::protobuf::compiler; 
-using namespace google::protobuf; 
- 
-using TVariables = std::map<TString, TString>; 
- 
-class TPrinter { 
-public: 
-    explicit TPrinter(OutputDirectory* output, const TString& fileName, const TString& scope) 
-        : Output(output) 
-        , FileName(fileName) 
-        , Scope(scope) 
-    { 
-    } 
- 
-    io::Printer* operator->() { 
-        if (!Printer) { 
-            Stream.Reset(Output->OpenForInsert(FileName, Scope)); 
-            Printer.ConstructInPlace(Stream.Get(), '$'); 
-        } 
- 
-        return Printer.Get(); 
-    } 
- 
-private: 
-    OutputDirectory* Output; 
-    const TString FileName; 
-    const TString Scope; 
- 
-    THolder<io::ZeroCopyOutputStream> Stream; 
-    TMaybe<io::Printer> Printer; 
- 
-}; // TPrinter 
- 
-class TFieldGenerator: public TThrRefBase { 
-    void Required(TPrinter& printer) const { 
-        Y_VERIFY(!Field->is_repeated(), "Repeated fields cannot be required or not"); 
- 
-        if (Field->options().GetExtension(Ydb::required)) { 
-            if (Field->cpp_type() == FieldDescriptor::CPPTYPE_STRING) { 
-                printer->Print(Vars, "if ($field$().empty()) {\n"); 
-            } else if (Field->message_type()) { 
-                printer->Print(Vars, "if (!has_$field$()) {\n"); 
-            } else { 
-                Y_FAIL_S(" Field type = " << Field->type_name() << " cannot be required or not"); 
-            } 
- 
-            printer->Indent(); 
-            printer->Print(Vars, "__err = \"$field$ is required but not set\";\n"); 
-            printer->Print(Vars, "return false;\n"); 
-            printer->Outdent(); 
-            printer->Print(Vars, "}\n"); 
-        } 
-    } 
- 
-    void CheckLimit(TPrinter& printer, const Ydb::Limit& limit, TVariables vars) const { 
-        switch (limit.kind_case()) { 
-        case Ydb::Limit::kRange: 
-            vars["min"] = ToString(limit.range().min()); 
-            vars["max"] = ToString(limit.range().max()); 
-            printer->Print(vars, "if (!($min$ <= $getter$ && $getter$ <= $max$)) {\n"); 
-            printer->Indent(); 
-            printer->Print(vars, "__err = \"$field$$kind$ is not in [$min$; $max$]\";\n"); 
-            break; 
- 
-        case Ydb::Limit::kLt: 
-            vars["lt"] = ToString(limit.lt()); 
-            printer->Print(vars, "if (!($getter$ < $lt$)) {\n"); 
-            printer->Indent(); 
-            printer->Print(vars, "__err = \"$field$$kind$ is not < $lt$\";\n"); 
-            break; 
- 
-        case Ydb::Limit::kLe: 
-            vars["le"] = ToString(limit.le()); 
-            printer->Print(vars, "if (!($getter$ <= $le$)) {\n"); 
-            printer->Indent(); 
-            printer->Print(vars, "__err = \"$field$$kind$ is not <= $le$\";\n"); 
-            break; 
- 
-        case Ydb::Limit::kEq: 
-            vars["eq"] = ToString(limit.eq()); 
-            printer->Print(vars, "if (!($getter$ == $eq$)) {\n"); 
-            printer->Indent(); 
-            printer->Print(vars, "__err = \"$field$$kind$ is not == $eq$\";\n"); 
-            break; 
- 
-        case Ydb::Limit::kGe: 
-            vars["ge"] = ToString(limit.ge()); 
-            printer->Print(vars, "if (!($getter$ >= $ge$)) {\n"); 
-            printer->Indent(); 
-            printer->Print(vars, "__err = \"$field$$kind$ is not >= $ge$\";\n"); 
-            break; 
- 
-        case Ydb::Limit::kGt: 
-            vars["gt"] = ToString(limit.gt()); 
-            printer->Print(vars, "if (!($getter$ > $gt$)) {\n"); 
-            printer->Indent(); 
-            printer->Print(vars, "__err = \"$field$$kind$ is not > $gt$\";\n"); 
-            break; 
- 
-        default: 
-            Y_FAIL("Unknown limit type"); 
-        } 
- 
-        printer->Print(vars, "return false;\n"); 
-        printer->Outdent(); 
-        printer->Print(vars, "}\n"); 
-    } 
- 
-    static TString BuildValueChecker(const TString& getter, TStringBuf annValue) { 
-        if (annValue.Contains('<') || annValue.Contains('>') || annValue.Contains('=')) { 
-            return TStringBuilder() << getter << " " << annValue; 
-        } 
- 
-        if ((annValue.StartsWith('[') || annValue.StartsWith('(')) 
-            && (annValue.EndsWith(']') || annValue.EndsWith(')')) 
-            && annValue.Contains(';')) { 
- 
-            const bool leftInclusive = annValue.StartsWith('['); 
-            const bool rightInclusive = annValue.EndsWith(']'); 
- 
-            annValue.Skip(1).Chop(1); 
- 
-            const TStringBuf left = annValue.Before(';'); 
-            const TStringBuf right = annValue.After(';'); 
- 
-            return TStringBuilder() 
-                << left << " " << (leftInclusive ? "<=" : "<") 
-                << " " << getter << " && " << getter << " " 
-                << (rightInclusive ? "<=" : "<") << " " << right; 
-        } 
- 
-        Y_FAIL_S("Invalid value: " << annValue); 
-    } 
- 
-    void CheckValue(TPrinter& printer, const FieldDescriptor* field, TVariables vars) const { 
-        switch (field->cpp_type()) { 
-        case FieldDescriptor::CPPTYPE_INT32: 
-        case FieldDescriptor::CPPTYPE_INT64: 
-        case FieldDescriptor::CPPTYPE_UINT32: 
-        case FieldDescriptor::CPPTYPE_UINT64: 
-        case FieldDescriptor::CPPTYPE_DOUBLE: 
-        case FieldDescriptor::CPPTYPE_FLOAT: 
-        case FieldDescriptor::CPPTYPE_BOOL: 
-        case FieldDescriptor::CPPTYPE_STRING: 
-            printer->Print(vars, "if (!($value_checker$)) {\n"); 
-            printer->Indent(); 
-            printer->Print(vars, "__err = \"$field$$kind$ is not $value$\";\n"); 
-            printer->Print(vars, "return false;\n"); 
-            printer->Outdent(); 
-            printer->Print(vars, "}\n"); 
-            break; 
- 
-        default: 
-            Y_FAIL_S("Cannot check value of field: type = " << field->type_name()); 
-        } 
-    } 
- 
-    void Size(TPrinter& printer) const { 
-        Y_VERIFY(Field->is_repeated(), "Cannot check size of non-repeated field"); 
- 
-        TVariables vars = Vars; 
-        vars["kind"] = " size"; 
-        vars["getter"] = Field->name() + "_size()"; 
- 
-        CheckLimit(printer, Field->options().GetExtension(Ydb::size), vars); 
-    } 
- 
-    void Length(TPrinter& printer) const { 
-        if (Field->is_repeated()) { 
-            printer->Print(Vars, "for (const auto& value : $field$()) {\n"); 
-            printer->Indent(); 
-        } 
- 
-        if (Field->cpp_type() == FieldDescriptor::CPPTYPE_STRING) { 
-            TVariables vars = Vars; 
-            vars["kind"] = "'s length"; 
-            vars["getter"] = Field->is_repeated() ? "value.size()" : Field->name() + "().size()"; 
- 
-            CheckLimit(printer, Field->options().GetExtension(Ydb::length), vars); 
-        } else if (Field->is_map()) { 
-            const FieldDescriptor* value = Field->message_type()->FindFieldByName("value"); 
-            Y_VERIFY_S(value->cpp_type() == FieldDescriptor::CPPTYPE_STRING, "Cannot check length of field: type = " << value->type_name()); 
- 
-            TVariables vars = Vars; 
-            vars["kind"] = "'s value length"; 
-            vars["getter"] = "value.second.size()"; 
- 
-            CheckLimit(printer, Field->options().GetExtension(Ydb::length), vars); 
-        } else { 
-            Y_FAIL_S("Cannot check length of field: type = " << Field->type_name()); 
-        } 
- 
-        if (Field->is_repeated()) { 
-            printer->Outdent(); 
-            printer->Print(Vars, "}\n"); 
-        } 
-    } 
- 
-    void MapKey(TPrinter& printer) const { 
-        Y_VERIFY(Field->is_map(), "Cannot validate map key of non-map field"); 
- 
-        printer->Print(Vars, "for (const auto& value : $field$()) {\n"); 
-        printer->Indent(); 
- 
-        TVariables vars = Vars; 
- 
-        const auto& mapKey = Field->options().GetExtension(Ydb::map_key); 
-        if (mapKey.has_length()) { 
-            const FieldDescriptor* key = Field->message_type()->FindFieldByName("key"); 
-            Y_VERIFY_S(key->cpp_type() == FieldDescriptor::CPPTYPE_STRING, "Cannot check length of field: type = " << key->type_name()); 
- 
-            vars["kind"] = "'s key length"; 
-            vars["getter"] = "value.first.size()"; 
-            CheckLimit(printer, mapKey.length(), vars); 
-        } 
-        if (mapKey.value()) { 
-            vars["kind"] = "'s key"; 
-            vars["value"] = SubstGlobalCopy(mapKey.value(), '"', '\''); 
-            vars["value_checker"] = BuildValueChecker("value.first", mapKey.value()); 
-            CheckValue(printer, Field->message_type()->FindFieldByName("key"), vars); 
-        } 
- 
-        printer->Outdent(); 
-        printer->Print(Vars, "}\n"); 
-    } 
- 
-    void Value(TPrinter& printer) const { 
-        if (Field->is_repeated()) { 
-            printer->Print(Vars, "for (const auto& value : $field$()) {\n"); 
-            printer->Indent(); 
-        } 
- 
-        const TString value = Field->options().GetExtension(Ydb::value); 
- 
-        TVariables vars = Vars; 
-        vars["kind"] = "'s value"; 
-        vars["value"] = SubstGlobalCopy(value, '"', '\''); 
- 
-        if (Field->is_map()) { 
-            vars["value_checker"] = BuildValueChecker("value.second", value); 
-            CheckValue(printer, Field->message_type()->FindFieldByName("value"), vars); 
-        } else { 
-            vars["value_checker"] = BuildValueChecker(Field->is_repeated() ? "value" : Field->name() + "()", value); 
-            CheckValue(printer, Field, vars); 
-        } 
- 
-        if (Field->is_repeated()) { 
-            printer->Outdent(); 
-            printer->Print(Vars, "}\n"); 
-        } 
-    } 
- 
-    void Body(TPrinter& printer) const { 
-        const auto& opts = Field->options(); 
- 
-        if (opts.HasExtension(Ydb::required)) { 
-            Required(printer); 
-        } 
-        if (opts.HasExtension(Ydb::size)) { 
-            Size(printer); 
-        } 
-        if (opts.HasExtension(Ydb::length)) { 
-            Length(printer); 
-        } 
-        if (opts.HasExtension(Ydb::map_key)) { 
-            MapKey(printer); 
-        } 
-        if (opts.HasExtension(Ydb::value)) { 
-            Value(printer); 
-        } 
- 
-        if (IsCustomMessage(Field->message_type())) { 
-            if (Field->is_repeated()) { 
-                printer->Print(Vars, "for (const auto& value : $field$()) {\n"); 
-                printer->Indent(); 
-                printer->Print(Vars, "if (!value.validate(__err)) {\n"); 
-                printer->Indent(); 
-                printer->Print(Vars, "return false;\n"); 
-                printer->Outdent(); 
-                printer->Print(Vars, "}\n"); 
-                printer->Outdent(); 
-                printer->Print(Vars, "}\n"); 
-                printer->Print(Vars, "\nreturn true;\n"); 
-            } else { 
-                printer->Print(Vars, "return $field$().validate(__err);\n"); 
-            } 
-        } else { 
-            printer->Print(Vars, "return true;\n"); 
-        } 
-    } 
- 
-    bool HasValidators() const { 
-        const auto& opts = Field->options(); 
-        return opts.HasExtension(Ydb::required) 
-            || opts.HasExtension(Ydb::size) 
-            || opts.HasExtension(Ydb::length) 
-            || opts.HasExtension(Ydb::map_key) 
-            || opts.HasExtension(Ydb::value); 
-    } 
- 
-    static TString PascalName(TString camelName) { 
-        camelName.to_upper(0, 1); 
-        return camelName; 
-    } 
- 
-public: 
-    using TPtr = TIntrusivePtr<TFieldGenerator>; 
- 
-    explicit TFieldGenerator(const FieldDescriptor* field, const TString& className) 
-        : Field(field) 
-        , Vars({ 
-            {"class", className}, 
-            {"func", "validate_" + field->name()}, 
-            {"field", field->name()}, 
-            {"PascalName", PascalName(field->camelcase_name())}, 
-        }) 
-    { 
-    } 
- 
-    const TVariables& GetVars() const { 
-        return Vars; 
-    } 
- 
-    void Declare(TPrinter& printer) const { 
-        if (!HasValidators() && !IsCustomMessage(Field->message_type())) { 
-            printer->Print(Vars, "bool $func$(TProtoStringType&) const { return true; }\n"); 
-        } else { 
-            printer->Print(Vars, "bool $func$(TProtoStringType& __err) const;\n"); 
-        } 
-    } 
- 
-    void Define(TPrinter& printer) const { 
-        if (!HasValidators() && !IsCustomMessage(Field->message_type())) { 
-            return; 
-        } 
- 
-        printer->Print(Vars, "bool $class$::$func$(TProtoStringType& __err) const {\n"); 
-        printer->Indent(); 
-        Body(printer); 
-        printer->Outdent(); 
-        printer->Print(Vars, "}\n\n"); 
-    } 
- 
-private: 
-    const FieldDescriptor* Field; 
-    const TVariables Vars; 
- 
-}; // TFieldGenerator 
- 
-class TOneofGenerator: public TThrRefBase { 
-    void Body(TPrinter& printer) const { 
-        printer->Print(Vars, "switch ($oneof$_case()) {\n"); 
- 
-        for (auto field : Fields) { 
-            printer->Print(field->GetVars(), "case k$PascalName$:\n"); 
-            printer->Indent(); 
-            printer->Print(field->GetVars(), "return $func$(__err);\n"); 
-            printer->Outdent(); 
-        } 
- 
-        printer->Print(Vars, "default:\n"); 
-        printer->Indent(); 
-        printer->Print(Vars, "return true;\n"); 
-        printer->Outdent(); 
- 
-        printer->Print(Vars, "}\n"); 
-    } 
- 
-public: 
-    using TPtr = TIntrusivePtr<TOneofGenerator>; 
- 
-    explicit TOneofGenerator(const OneofDescriptor* oneof, const TString& className) 
-        : Vars({ 
-            {"class", className}, 
-            {"oneof", oneof->name()}, 
-            {"func", "validate_" + oneof->name()}, 
-        }) 
-    { 
-    } 
- 
-    const TVariables& GetVars() const { 
-        return Vars; 
-    } 
- 
-    void AddField(TFieldGenerator::TPtr field) { 
-        Fields.push_back(field); 
-    } 
- 
-    void Declare(TPrinter& printer) const { 
-        printer->Print(Vars, "bool $func$(TProtoStringType& __err) const;\n"); 
-    } 
- 
-    void Define(TPrinter& printer) const { 
-        printer->Print(Vars, "bool $class$::$func$(TProtoStringType& __err) const {\n"); 
-        printer->Indent(); 
-        Body(printer); 
-        printer->Outdent(); 
-        printer->Print(Vars, "}\n\n"); 
-    } 
- 
-private: 
-    const TVariables Vars; 
-    TVector<TFieldGenerator::TPtr> Fields; 
- 
-}; // TOneofGenerator 
- 
-class TMessageGenerator { 
-    struct TItem { 
-        TOneofGenerator::TPtr Oneof; 
-        TVector<TFieldGenerator::TPtr> Fields; 
- 
-        explicit TItem(TOneofGenerator::TPtr oneof) 
-            : Oneof(oneof) 
-        { 
-        } 
- 
-        void AddField(TFieldGenerator::TPtr field) { 
-            Fields.push_back(field); 
-            if (Oneof) { 
-                Oneof->AddField(field); 
-            } 
-        } 
-    }; 
- 
-    using TItems = THashMap<const OneofDescriptor*, TItem>; 
- 
-    void Declare(TPrinter& printer, const TItems& items) { 
-        if (!items) { 
-            printer->Print(Vars, "bool validate(TProtoStringType&) const { return true; }\n"); 
-        } else { 
-            printer->Print(Vars, "bool validate(TProtoStringType& __err) const;\n"); 
-        } 
-    } 
- 
-    void Define(TPrinter& printer, const TItems& items) { 
-        if (!items) { 
-            return; 
-        } 
- 
-        printer->Print(Vars, "bool $class$::validate(TProtoStringType& __err) const {\n"); 
-        printer->Indent(); 
-        printer->Print(Vars, "return\n"); 
-        printer->Indent(); 
- 
-        bool first = true; 
-        for (const auto& [_, item] : items) { 
-            if (!item.Oneof) { 
-                for (const auto& field : item.Fields) { 
-                    if (first) { 
-                        first = false; 
-                    } else { 
-                        printer->Print(Vars, "&& "); 
-                    } 
-                    printer->Print(field->GetVars(), "$func$(__err)\n"); 
-                } 
-            } else { 
-                if (first) { 
-                    first = false; 
-                } else { 
-                    printer->Print(Vars, "&& "); 
-                } 
-                printer->Print(item.Oneof->GetVars(), "$func$(__err)\n"); 
-            } 
-        } 
- 
-        printer->Outdent(); 
-        printer->Print(Vars, ";\n"); 
-        printer->Outdent(); 
-        printer->Print(Vars, "}\n\n"); 
-    } 
- 
-public: 
-    explicit TMessageGenerator(const Descriptor* message, OutputDirectory* output) 
-        : Message(message) 
-        , Output(output) 
-        , Header(output, HeaderFileName(message), ClassScope(message)) 
-        , Source(output, SourceFileName(message), NamespaceScope()) 
-        , Vars({ 
-            {"class", ClassName(message)}, 
-        }) 
-    { 
-    } 
- 
-    void Generate() { 
-        for (auto i = 0; i < Message->nested_type_count(); ++i) { 
-            const Descriptor* message = Message->nested_type(i); 
-            if (!IsCustomMessage(message)) { 
-                continue; 
-            } 
- 
-            TMessageGenerator mg(message, Output); 
-            mg.Generate(); 
-        } 
- 
-        TItems items; 
- 
-        for (auto i = 0; i < Message->field_count(); ++i) { 
-            const FieldDescriptor* field = Message->field(i); 
-            const OneofDescriptor* oneof = field->containing_oneof(); 
- 
-            TFieldGenerator::TPtr fieldGen = new TFieldGenerator(field, Vars.at("class")); 
-            TOneofGenerator::TPtr oneofGen = oneof ? new TOneofGenerator(oneof, Vars.at("class")) : nullptr; 
- 
-            auto it = items.find(oneof); 
-            if (it == items.end()) { 
-                it = items.emplace(oneof, TItem(oneofGen)).first; 
-            } 
- 
-            it->second.AddField(fieldGen); 
-        } 
- 
-        for (const auto& [_, item] : items) { 
-            for (const auto& field : item.Fields) { 
-                field->Declare(Header); 
-                field->Define(Source); 
-            } 
- 
-            if (item.Oneof) { 
-                item.Oneof->Declare(Header); 
-                item.Oneof->Define(Source); 
-            } 
-        } 
- 
-        Declare(Header, items); 
-        Define(Source, items); 
-    } 
- 
-private: 
-    const Descriptor* Message; 
-    OutputDirectory* Output; 
-    TPrinter Header; 
-    TPrinter Source; 
-    const TVariables Vars; 
- 
-}; // TMessageGenerator 
- 
-class TCodeGenerator: public CodeGenerator { 
-    bool Generate( 
-            const FileDescriptor* file, 
-            const TProtoStringType&, 
-            OutputDirectory* output, 
-            TProtoStringType*) const override final { 
- 
-        for (auto i = 0; i < file->message_type_count(); ++i) { 
-            TMessageGenerator mg(file->message_type(i), output); 
-            mg.Generate(); 
-        } 
- 
-        return true; 
-    } 
- 
-}; // TCodeGenerator 
- 
-} // NValidation 
-} // NKikimr 
- 
-int main(int argc, char* argv[]) { 
-    NKikimr::NValidation::TCodeGenerator generator; 
-    return google::protobuf::compiler::PluginMain(argc, argv, &generator); 
-} 
+
+#include <util/generic/hash.h>
+#include <util/generic/maybe.h>
+#include <util/generic/ptr.h>
+#include <util/generic/vector.h>
+#include <util/string/builder.h>
+#include <util/string/cast.h>
+#include <util/string/subst.h>
+
+namespace NKikimr {
+namespace NValidation {
+
+using namespace google::protobuf::compiler;
+using namespace google::protobuf;
+
+using TVariables = std::map<TString, TString>;
+
+class TPrinter {
+public:
+    explicit TPrinter(OutputDirectory* output, const TString& fileName, const TString& scope)
+        : Output(output)
+        , FileName(fileName)
+        , Scope(scope)
+    {
+    }
+
+    io::Printer* operator->() {
+        if (!Printer) {
+            Stream.Reset(Output->OpenForInsert(FileName, Scope));
+            Printer.ConstructInPlace(Stream.Get(), '$');
+        }
+
+        return Printer.Get();
+    }
+
+private:
+    OutputDirectory* Output;
+    const TString FileName;
+    const TString Scope;
+
+    THolder<io::ZeroCopyOutputStream> Stream;
+    TMaybe<io::Printer> Printer;
+
+}; // TPrinter
+
+class TFieldGenerator: public TThrRefBase {
+    void Required(TPrinter& printer) const {
+        Y_VERIFY(!Field->is_repeated(), "Repeated fields cannot be required or not");
+
+        if (Field->options().GetExtension(Ydb::required)) {
+            if (Field->cpp_type() == FieldDescriptor::CPPTYPE_STRING) {
+                printer->Print(Vars, "if ($field$().empty()) {\n");
+            } else if (Field->message_type()) {
+                printer->Print(Vars, "if (!has_$field$()) {\n");
+            } else {
+                Y_FAIL_S(" Field type = " << Field->type_name() << " cannot be required or not");
+            }
+
+            printer->Indent();
+            printer->Print(Vars, "__err = \"$field$ is required but not set\";\n");
+            printer->Print(Vars, "return false;\n");
+            printer->Outdent();
+            printer->Print(Vars, "}\n");
+        }
+    }
+
+    void CheckLimit(TPrinter& printer, const Ydb::Limit& limit, TVariables vars) const {
+        switch (limit.kind_case()) {
+        case Ydb::Limit::kRange:
+            vars["min"] = ToString(limit.range().min());
+            vars["max"] = ToString(limit.range().max());
+            printer->Print(vars, "if (!($min$ <= $getter$ && $getter$ <= $max$)) {\n");
+            printer->Indent();
+            printer->Print(vars, "__err = \"$field$$kind$ is not in [$min$; $max$]\";\n");
+            break;
+
+        case Ydb::Limit::kLt:
+            vars["lt"] = ToString(limit.lt());
+            printer->Print(vars, "if (!($getter$ < $lt$)) {\n");
+            printer->Indent();
+            printer->Print(vars, "__err = \"$field$$kind$ is not < $lt$\";\n");
+            break;
+
+        case Ydb::Limit::kLe:
+            vars["le"] = ToString(limit.le());
+            printer->Print(vars, "if (!($getter$ <= $le$)) {\n");
+            printer->Indent();
+            printer->Print(vars, "__err = \"$field$$kind$ is not <= $le$\";\n");
+            break;
+
+        case Ydb::Limit::kEq:
+            vars["eq"] = ToString(limit.eq());
+            printer->Print(vars, "if (!($getter$ == $eq$)) {\n");
+            printer->Indent();
+            printer->Print(vars, "__err = \"$field$$kind$ is not == $eq$\";\n");
+            break;
+
+        case Ydb::Limit::kGe:
+            vars["ge"] = ToString(limit.ge());
+            printer->Print(vars, "if (!($getter$ >= $ge$)) {\n");
+            printer->Indent();
+            printer->Print(vars, "__err = \"$field$$kind$ is not >= $ge$\";\n");
+            break;
+
+        case Ydb::Limit::kGt:
+            vars["gt"] = ToString(limit.gt());
+            printer->Print(vars, "if (!($getter$ > $gt$)) {\n");
+            printer->Indent();
+            printer->Print(vars, "__err = \"$field$$kind$ is not > $gt$\";\n");
+            break;
+
+        default:
+            Y_FAIL("Unknown limit type");
+        }
+
+        printer->Print(vars, "return false;\n");
+        printer->Outdent();
+        printer->Print(vars, "}\n");
+    }
+
+    static TString BuildValueChecker(const TString& getter, TStringBuf annValue) {
+        if (annValue.Contains('<') || annValue.Contains('>') || annValue.Contains('=')) {
+            return TStringBuilder() << getter << " " << annValue;
+        }
+
+        if ((annValue.StartsWith('[') || annValue.StartsWith('('))
+            && (annValue.EndsWith(']') || annValue.EndsWith(')'))
+            && annValue.Contains(';')) {
+
+            const bool leftInclusive = annValue.StartsWith('[');
+            const bool rightInclusive = annValue.EndsWith(']');
+
+            annValue.Skip(1).Chop(1);
+
+            const TStringBuf left = annValue.Before(';');
+            const TStringBuf right = annValue.After(';');
+
+            return TStringBuilder()
+                << left << " " << (leftInclusive ? "<=" : "<")
+                << " " << getter << " && " << getter << " "
+                << (rightInclusive ? "<=" : "<") << " " << right;
+        }
+
+        Y_FAIL_S("Invalid value: " << annValue);
+    }
+
+    void CheckValue(TPrinter& printer, const FieldDescriptor* field, TVariables vars) const {
+        switch (field->cpp_type()) {
+        case FieldDescriptor::CPPTYPE_INT32:
+        case FieldDescriptor::CPPTYPE_INT64:
+        case FieldDescriptor::CPPTYPE_UINT32:
+        case FieldDescriptor::CPPTYPE_UINT64:
+        case FieldDescriptor::CPPTYPE_DOUBLE:
+        case FieldDescriptor::CPPTYPE_FLOAT:
+        case FieldDescriptor::CPPTYPE_BOOL:
+        case FieldDescriptor::CPPTYPE_STRING:
+            printer->Print(vars, "if (!($value_checker$)) {\n");
+            printer->Indent();
+            printer->Print(vars, "__err = \"$field$$kind$ is not $value$\";\n");
+            printer->Print(vars, "return false;\n");
+            printer->Outdent();
+            printer->Print(vars, "}\n");
+            break;
+
+        default:
+            Y_FAIL_S("Cannot check value of field: type = " << field->type_name());
+        }
+    }
+
+    void Size(TPrinter& printer) const {
+        Y_VERIFY(Field->is_repeated(), "Cannot check size of non-repeated field");
+
+        TVariables vars = Vars;
+        vars["kind"] = " size";
+        vars["getter"] = Field->name() + "_size()";
+
+        CheckLimit(printer, Field->options().GetExtension(Ydb::size), vars);
+    }
+
+    void Length(TPrinter& printer) const {
+        if (Field->is_repeated()) {
+            printer->Print(Vars, "for (const auto& value : $field$()) {\n");
+            printer->Indent();
+        }
+
+        if (Field->cpp_type() == FieldDescriptor::CPPTYPE_STRING) {
+            TVariables vars = Vars;
+            vars["kind"] = "'s length";
+            vars["getter"] = Field->is_repeated() ? "value.size()" : Field->name() + "().size()";
+
+            CheckLimit(printer, Field->options().GetExtension(Ydb::length), vars);
+        } else if (Field->is_map()) {
+            const FieldDescriptor* value = Field->message_type()->FindFieldByName("value");
+            Y_VERIFY_S(value->cpp_type() == FieldDescriptor::CPPTYPE_STRING, "Cannot check length of field: type = " << value->type_name());
+
+            TVariables vars = Vars;
+            vars["kind"] = "'s value length";
+            vars["getter"] = "value.second.size()";
+
+            CheckLimit(printer, Field->options().GetExtension(Ydb::length), vars);
+        } else {
+            Y_FAIL_S("Cannot check length of field: type = " << Field->type_name());
+        }
+
+        if (Field->is_repeated()) {
+            printer->Outdent();
+            printer->Print(Vars, "}\n");
+        }
+    }
+
+    void MapKey(TPrinter& printer) const {
+        Y_VERIFY(Field->is_map(), "Cannot validate map key of non-map field");
+
+        printer->Print(Vars, "for (const auto& value : $field$()) {\n");
+        printer->Indent();
+
+        TVariables vars = Vars;
+
+        const auto& mapKey = Field->options().GetExtension(Ydb::map_key);
+        if (mapKey.has_length()) {
+            const FieldDescriptor* key = Field->message_type()->FindFieldByName("key");
+            Y_VERIFY_S(key->cpp_type() == FieldDescriptor::CPPTYPE_STRING, "Cannot check length of field: type = " << key->type_name());
+
+            vars["kind"] = "'s key length";
+            vars["getter"] = "value.first.size()";
+            CheckLimit(printer, mapKey.length(), vars);
+        }
+        if (mapKey.value()) {
+            vars["kind"] = "'s key";
+            vars["value"] = SubstGlobalCopy(mapKey.value(), '"', '\'');
+            vars["value_checker"] = BuildValueChecker("value.first", mapKey.value());
+            CheckValue(printer, Field->message_type()->FindFieldByName("key"), vars);
+        }
+
+        printer->Outdent();
+        printer->Print(Vars, "}\n");
+    }
+
+    void Value(TPrinter& printer) const {
+        if (Field->is_repeated()) {
+            printer->Print(Vars, "for (const auto& value : $field$()) {\n");
+            printer->Indent();
+        }
+
+        const TString value = Field->options().GetExtension(Ydb::value);
+
+        TVariables vars = Vars;
+        vars["kind"] = "'s value";
+        vars["value"] = SubstGlobalCopy(value, '"', '\'');
+
+        if (Field->is_map()) {
+            vars["value_checker"] = BuildValueChecker("value.second", value);
+            CheckValue(printer, Field->message_type()->FindFieldByName("value"), vars);
+        } else {
+            vars["value_checker"] = BuildValueChecker(Field->is_repeated() ? "value" : Field->name() + "()", value);
+            CheckValue(printer, Field, vars);
+        }
+
+        if (Field->is_repeated()) {
+            printer->Outdent();
+            printer->Print(Vars, "}\n");
+        }
+    }
+
+    void Body(TPrinter& printer) const {
+        const auto& opts = Field->options();
+
+        if (opts.HasExtension(Ydb::required)) {
+            Required(printer);
+        }
+        if (opts.HasExtension(Ydb::size)) {
+            Size(printer);
+        }
+        if (opts.HasExtension(Ydb::length)) {
+            Length(printer);
+        }
+        if (opts.HasExtension(Ydb::map_key)) {
+            MapKey(printer);
+        }
+        if (opts.HasExtension(Ydb::value)) {
+            Value(printer);
+        }
+
+        if (IsCustomMessage(Field->message_type())) {
+            if (Field->is_repeated()) {
+                printer->Print(Vars, "for (const auto& value : $field$()) {\n");
+                printer->Indent();
+                printer->Print(Vars, "if (!value.validate(__err)) {\n");
+                printer->Indent();
+                printer->Print(Vars, "return false;\n");
+                printer->Outdent();
+                printer->Print(Vars, "}\n");
+                printer->Outdent();
+                printer->Print(Vars, "}\n");
+                printer->Print(Vars, "\nreturn true;\n");
+            } else {
+                printer->Print(Vars, "return $field$().validate(__err);\n");
+            }
+        } else {
+            printer->Print(Vars, "return true;\n");
+        }
+    }
+
+    bool HasValidators() const {
+        const auto& opts = Field->options();
+        return opts.HasExtension(Ydb::required)
+            || opts.HasExtension(Ydb::size)
+            || opts.HasExtension(Ydb::length)
+            || opts.HasExtension(Ydb::map_key)
+            || opts.HasExtension(Ydb::value);
+    }
+
+    static TString PascalName(TString camelName) {
+        camelName.to_upper(0, 1);
+        return camelName;
+    }
+
+public:
+    using TPtr = TIntrusivePtr<TFieldGenerator>;
+
+    explicit TFieldGenerator(const FieldDescriptor* field, const TString& className)
+        : Field(field)
+        , Vars({
+            {"class", className},
+            {"func", "validate_" + field->name()},
+            {"field", field->name()},
+            {"PascalName", PascalName(field->camelcase_name())},
+        })
+    {
+    }
+
+    const TVariables& GetVars() const {
+        return Vars;
+    }
+
+    void Declare(TPrinter& printer) const {
+        if (!HasValidators() && !IsCustomMessage(Field->message_type())) {
+            printer->Print(Vars, "bool $func$(TProtoStringType&) const { return true; }\n");
+        } else {
+            printer->Print(Vars, "bool $func$(TProtoStringType& __err) const;\n");
+        }
+    }
+
+    void Define(TPrinter& printer) const {
+        if (!HasValidators() && !IsCustomMessage(Field->message_type())) {
+            return;
+        }
+
+        printer->Print(Vars, "bool $class$::$func$(TProtoStringType& __err) const {\n");
+        printer->Indent();
+        Body(printer);
+        printer->Outdent();
+        printer->Print(Vars, "}\n\n");
+    }
+
+private:
+    const FieldDescriptor* Field;
+    const TVariables Vars;
+
+}; // TFieldGenerator
+
+class TOneofGenerator: public TThrRefBase {
+    void Body(TPrinter& printer) const {
+        printer->Print(Vars, "switch ($oneof$_case()) {\n");
+
+        for (auto field : Fields) {
+            printer->Print(field->GetVars(), "case k$PascalName$:\n");
+            printer->Indent();
+            printer->Print(field->GetVars(), "return $func$(__err);\n");
+            printer->Outdent();
+        }
+
+        printer->Print(Vars, "default:\n");
+        printer->Indent();
+        printer->Print(Vars, "return true;\n");
+        printer->Outdent();
+
+        printer->Print(Vars, "}\n");
+    }
+
+public:
+    using TPtr = TIntrusivePtr<TOneofGenerator>;
+
+    explicit TOneofGenerator(const OneofDescriptor* oneof, const TString& className)
+        : Vars({
+            {"class", className},
+            {"oneof", oneof->name()},
+            {"func", "validate_" + oneof->name()},
+        })
+    {
+    }
+
+    const TVariables& GetVars() const {
+        return Vars;
+    }
+
+    void AddField(TFieldGenerator::TPtr field) {
+        Fields.push_back(field);
+    }
+
+    void Declare(TPrinter& printer) const {
+        printer->Print(Vars, "bool $func$(TProtoStringType& __err) const;\n");
+    }
+
+    void Define(TPrinter& printer) const {
+        printer->Print(Vars, "bool $class$::$func$(TProtoStringType& __err) const {\n");
+        printer->Indent();
+        Body(printer);
+        printer->Outdent();
+        printer->Print(Vars, "}\n\n");
+    }
+
+private:
+    const TVariables Vars;
+    TVector<TFieldGenerator::TPtr> Fields;
+
+}; // TOneofGenerator
+
+class TMessageGenerator {
+    struct TItem {
+        TOneofGenerator::TPtr Oneof;
+        TVector<TFieldGenerator::TPtr> Fields;
+
+        explicit TItem(TOneofGenerator::TPtr oneof)
+            : Oneof(oneof)
+        {
+        }
+
+        void AddField(TFieldGenerator::TPtr field) {
+            Fields.push_back(field);
+            if (Oneof) {
+                Oneof->AddField(field);
+            }
+        }
+    };
+
+    using TItems = THashMap<const OneofDescriptor*, TItem>;
+
+    void Declare(TPrinter& printer, const TItems& items) {
+        if (!items) {
+            printer->Print(Vars, "bool validate(TProtoStringType&) const { return true; }\n");
+        } else {
+            printer->Print(Vars, "bool validate(TProtoStringType& __err) const;\n");
+        }
+    }
+
+    void Define(TPrinter& printer, const TItems& items) {
+        if (!items) {
+            return;
+        }
+
+        printer->Print(Vars, "bool $class$::validate(TProtoStringType& __err) const {\n");
+        printer->Indent();
+        printer->Print(Vars, "return\n");
+        printer->Indent();
+
+        bool first = true;
+        for (const auto& [_, item] : items) {
+            if (!item.Oneof) {
+                for (const auto& field : item.Fields) {
+                    if (first) {
+                        first = false;
+                    } else {
+                        printer->Print(Vars, "&& ");
+                    }
+                    printer->Print(field->GetVars(), "$func$(__err)\n");
+                }
+            } else {
+                if (first) {
+                    first = false;
+                } else {
+                    printer->Print(Vars, "&& ");
+                }
+                printer->Print(item.Oneof->GetVars(), "$func$(__err)\n");
+            }
+        }
+
+        printer->Outdent();
+        printer->Print(Vars, ";\n");
+        printer->Outdent();
+        printer->Print(Vars, "}\n\n");
+    }
+
+public:
+    explicit TMessageGenerator(const Descriptor* message, OutputDirectory* output)
+        : Message(message)
+        , Output(output)
+        , Header(output, HeaderFileName(message), ClassScope(message))
+        , Source(output, SourceFileName(message), NamespaceScope())
+        , Vars({
+            {"class", ClassName(message)},
+        })
+    {
+    }
+
+    void Generate() {
+        for (auto i = 0; i < Message->nested_type_count(); ++i) {
+            const Descriptor* message = Message->nested_type(i);
+            if (!IsCustomMessage(message)) {
+                continue;
+            }
+
+            TMessageGenerator mg(message, Output);
+            mg.Generate();
+        }
+
+        TItems items;
+
+        for (auto i = 0; i < Message->field_count(); ++i) {
+            const FieldDescriptor* field = Message->field(i);
+            const OneofDescriptor* oneof = field->containing_oneof();
+
+            TFieldGenerator::TPtr fieldGen = new TFieldGenerator(field, Vars.at("class"));
+            TOneofGenerator::TPtr oneofGen = oneof ? new TOneofGenerator(oneof, Vars.at("class")) : nullptr;
+
+            auto it = items.find(oneof);
+            if (it == items.end()) {
+                it = items.emplace(oneof, TItem(oneofGen)).first;
+            }
+
+            it->second.AddField(fieldGen);
+        }
+
+        for (const auto& [_, item] : items) {
+            for (const auto& field : item.Fields) {
+                field->Declare(Header);
+                field->Define(Source);
+            }
+
+            if (item.Oneof) {
+                item.Oneof->Declare(Header);
+                item.Oneof->Define(Source);
+            }
+        }
+
+        Declare(Header, items);
+        Define(Source, items);
+    }
+
+private:
+    const Descriptor* Message;
+    OutputDirectory* Output;
+    TPrinter Header;
+    TPrinter Source;
+    const TVariables Vars;
+
+}; // TMessageGenerator
+
+class TCodeGenerator: public CodeGenerator {
+    bool Generate(
+            const FileDescriptor* file,
+            const TProtoStringType&,
+            OutputDirectory* output,
+            TProtoStringType*) const override final {
+
+        for (auto i = 0; i < file->message_type_count(); ++i) {
+            TMessageGenerator mg(file->message_type(i), output);
+            mg.Generate();
+        }
+
+        return true;
+    }
+
+}; // TCodeGenerator
+
+} // NValidation
+} // NKikimr
+
+int main(int argc, char* argv[]) {
+    NKikimr::NValidation::TCodeGenerator generator;
+    return google::protobuf::compiler::PluginMain(argc, argv, &generator);
+}
diff --git a/ydb/core/grpc_services/validation/ut.cpp b/ydb/core/grpc_services/validation/ut.cpp
index 0912e08c26..ca414df810 100644
--- a/ydb/core/grpc_services/validation/ut.cpp
+++ b/ydb/core/grpc_services/validation/ut.cpp
@@ -1,288 +1,288 @@
 #include <ydb/core/grpc_services/validation/ut/protos/validation_test.pb.h>
- 
+
 #include <library/cpp/testing/unittest/registar.h>
- 
-Y_UNIT_TEST_SUITE(ValidationTests) { 
-    using namespace Ydb::ValidationTest; 
- 
-    template <typename T> 
-    bool Validate(const T& proto, TString& error) { 
-        return proto.validate(error); 
-    } 
- 
-    template <typename T> 
-    bool Validate(const T& proto) { 
-        TString unused; 
-        return Validate(proto, unused); 
-    } 
- 
-    template <typename T> 
-    void Validate(const T& proto, const TString& errorContains) { 
-        TString error; 
-        UNIT_ASSERT(!Validate(proto, error)); 
-        UNIT_ASSERT_STRING_CONTAINS(error, errorContains); 
-    } 
- 
-    Y_UNIT_TEST(Empty) { 
-        UNIT_ASSERT(Validate(EmptyMessage())); 
-    } 
- 
-    Y_UNIT_TEST(WithouValidators) { 
-        UNIT_ASSERT(Validate(MessageWithoutValidators())); 
-    } 
- 
-    Y_UNIT_TEST(Basic) { 
-        MessageBasic basic; 
- 
-        // required 
-        { 
-            Validate(basic, "required but not set"); 
-            basic.set_check_required("set"); 
-        } 
- 
-        // size: range 
-        { 
-            Validate(basic, "size is not in"); 
-            basic.mutable_check_size_range_1_2()->Add("string"); 
-            basic.mutable_check_size_range_1_2()->Add("string"); 
-            basic.mutable_check_size_range_1_2()->Add("string"); // extra 
- 
-            Validate(basic, "size is not in"); 
-            basic.mutable_check_size_range_1_2()->RemoveLast(); 
-        } 
- 
-        // size: lt 
-        { 
-            basic.mutable_check_size_lt_2()->Add("1"); 
-            basic.mutable_check_size_lt_2()->Add("2"); // extra 
-            Validate(basic, "size is not <"); 
-            basic.mutable_check_size_lt_2()->RemoveLast(); 
-        } 
- 
-        // size: le 
-        { 
-            basic.mutable_check_size_le_1()->Add("1"); 
-            basic.mutable_check_size_le_1()->Add("2"); // extra 
-            Validate(basic, "size is not <="); 
-            basic.mutable_check_size_le_1()->RemoveLast(); 
-        } 
- 
-        // size: eq 
-        { 
-            basic.mutable_check_size_eq_1()->Add("1"); 
-            basic.mutable_check_size_eq_1()->Add("2"); // extra 
-            Validate(basic, "size is not =="); 
-            basic.mutable_check_size_eq_1()->RemoveLast(); 
-        } 
- 
-        // size: ge 
-        { 
-            Validate(basic, "size is not >="); 
-            basic.mutable_check_size_ge_1()->Add("1"); 
-        } 
- 
-        // size: gt 
-        { 
-            basic.mutable_check_size_gt_1()->Add("1"); 
-            Validate(basic, "size is not >"); 
-            basic.mutable_check_size_gt_1()->Add("1"); 
-        } 
- 
-        // length: range 
-        { 
-            Validate(basic, "length is not in"); 
-            basic.set_check_length_range_1_3("value"); 
- 
-            Validate(basic, "length is not in"); 
-            basic.set_check_length_range_1_3("val"); 
-        } 
- 
-        // length: lt 
-        { 
-            basic.set_check_length_lt_4("value"); 
-            Validate(basic, "length is not <"); 
-            basic.set_check_length_lt_4("val"); 
-        } 
- 
-        // length: le 
-        { 
-            basic.set_check_length_le_3("value"); 
-            Validate(basic, "length is not <="); 
-            basic.set_check_length_le_3("val"); 
-        } 
- 
-        // length: eq 
-        { 
-            basic.set_check_length_eq_3("value"); 
-            Validate(basic, "length is not =="); 
-            basic.set_check_length_eq_3("val"); 
-        } 
- 
-        // length: ge 
-        { 
-            basic.set_check_length_ge_3("v"); 
-            Validate(basic, "length is not >="); 
-            basic.set_check_length_ge_3("val"); 
-        } 
- 
-        // length: gt 
-        { 
-            basic.set_check_length_gt_3("val"); 
-            Validate(basic, "length is not >"); 
-            basic.set_check_length_gt_3("value"); 
-        } 
- 
-        // value: int32 
-        { 
-            basic.set_check_value_int32(-1); 
-            Validate(basic, "value is not"); 
-            basic.set_check_value_int32(-2); 
-        } 
- 
-        // value: int64 
-        { 
-            basic.set_check_value_int64(-5'000'000'000); 
-            Validate(basic, "value is not"); 
-            basic.set_check_value_int64(-5'000'000'001); 
-        } 
- 
-        // value: uint32 
-        { 
-            basic.set_check_value_uint32(1); 
-            Validate(basic, "value is not"); 
-            basic.set_check_value_uint32(2); 
-        } 
- 
-        // value: uint64 
-        { 
-            basic.set_check_value_uint64(5'000'000'000); 
-            Validate(basic, "value is not"); 
-            basic.set_check_value_uint64(5'000'000'001); 
-        } 
- 
-        // value: double 
-        { 
-            basic.set_check_value_double(0.99); 
-            Validate(basic, "value is not"); 
-            basic.set_check_value_double(1.01); 
-        } 
- 
-        // value: float 
-        { 
-            basic.set_check_value_float(-0.99); 
-            Validate(basic, "value is not"); 
-            basic.set_check_value_float(-1.01); 
-        } 
- 
-        // value: bool 
-        { 
-            basic.set_check_value_bool(false); 
-            Validate(basic, "value is not"); 
-            basic.set_check_value_bool(true); 
-        } 
- 
-        // value: string 
-        { 
-            basic.set_check_value_string("changeme"); 
-            Validate(basic, "value is not"); 
-            basic.set_check_value_string("changed"); 
-        } 
- 
-        // value: range [1;10] 
-        { 
-            basic.set_check_value_range_1(11); 
-            Validate(basic, "value is not"); 
-            basic.set_check_value_range_1(10); 
-        } 
- 
-        // value: range (1;10] 
-        { 
-            basic.set_check_value_range_2(1); 
-            Validate(basic, "value is not"); 
-            basic.set_check_value_range_2(2); 
-        } 
- 
-        // value: range [1;10) 
-        { 
-            basic.set_check_value_range_3(10); 
-            Validate(basic, "value is not"); 
-            basic.set_check_value_range_3(9); 
-        } 
- 
-        // value: range (1;10) 
-        { 
-            basic.set_check_value_range_4(1); 
-            Validate(basic, "value is not"); 
-            basic.set_check_value_range_4(5); 
-        } 
- 
-        UNIT_ASSERT(Validate(basic)); 
-    } 
- 
-    Y_UNIT_TEST(Map) { 
-        MessageMap map; 
- 
-        // size 
-        { 
-            Validate(map, "size is not >"); 
-            map.mutable_values()->insert({"key", "value"}); 
-        } 
- 
-        // value's length 
-        { 
-            Validate(map, "value length is not <"); 
-            map.mutable_values()->at("key") = "v"; 
-        } 
- 
-        // key's length 
-        { 
-            Validate(map, "key length is not <"); 
-            map.mutable_values()->erase("key"); 
-            map.mutable_values()->insert({"k", "v"}); 
-        } 
- 
-        // key 
-        { 
-            Validate(map, "key is not"); 
-            map.mutable_values()->erase("k"); 
-            map.mutable_values()->insert({"a", "v"}); 
-        } 
- 
-        // value 
-        { 
-            Validate(map, "value is not"); 
-            map.mutable_values()->erase("a"); 
-            map.mutable_values()->insert({"a", "b"}); 
-        } 
- 
-        UNIT_ASSERT(Validate(map)); 
-    } 
- 
-    Y_UNIT_TEST(Oneof) { 
-        MessageOneof oneof; 
- 
-        // required 
-        { 
-            Validate(oneof, "required but not set"); 
-            oneof.set_check_required("set"); 
-        } 
- 
-        // check oneof (1) 
-        { 
-            oneof.set_check_le_1("12"); 
-            Validate(oneof, "length is not <="); 
- 
-            oneof.set_check_le_1("1"); 
-            UNIT_ASSERT(Validate(oneof)); 
-        } 
- 
-        // check oneof (2) 
-        { 
-            oneof.set_check_le_2("123"); 
-            Validate(oneof, "length is not <="); 
- 
-            oneof.set_check_le_2("12"); 
-            UNIT_ASSERT(Validate(oneof)); 
-        } 
-    } 
-} 
+
+Y_UNIT_TEST_SUITE(ValidationTests) {
+    using namespace Ydb::ValidationTest;
+
+    template <typename T>
+    bool Validate(const T& proto, TString& error) {
+        return proto.validate(error);
+    }
+
+    template <typename T>
+    bool Validate(const T& proto) {
+        TString unused;
+        return Validate(proto, unused);
+    }
+
+    template <typename T>
+    void Validate(const T& proto, const TString& errorContains) {
+        TString error;
+        UNIT_ASSERT(!Validate(proto, error));
+        UNIT_ASSERT_STRING_CONTAINS(error, errorContains);
+    }
+
+    Y_UNIT_TEST(Empty) {
+        UNIT_ASSERT(Validate(EmptyMessage()));
+    }
+
+    Y_UNIT_TEST(WithouValidators) {
+        UNIT_ASSERT(Validate(MessageWithoutValidators()));
+    }
+
+    Y_UNIT_TEST(Basic) {
+        MessageBasic basic;
+
+        // required
+        {
+            Validate(basic, "required but not set");
+            basic.set_check_required("set");
+        }
+
+        // size: range
+        {
+            Validate(basic, "size is not in");
+            basic.mutable_check_size_range_1_2()->Add("string");
+            basic.mutable_check_size_range_1_2()->Add("string");
+            basic.mutable_check_size_range_1_2()->Add("string"); // extra
+
+            Validate(basic, "size is not in");
+            basic.mutable_check_size_range_1_2()->RemoveLast();
+        }
+
+        // size: lt
+        {
+            basic.mutable_check_size_lt_2()->Add("1");
+            basic.mutable_check_size_lt_2()->Add("2"); // extra
+            Validate(basic, "size is not <");
+            basic.mutable_check_size_lt_2()->RemoveLast();
+        }
+
+        // size: le
+        {
+            basic.mutable_check_size_le_1()->Add("1");
+            basic.mutable_check_size_le_1()->Add("2"); // extra
+            Validate(basic, "size is not <=");
+            basic.mutable_check_size_le_1()->RemoveLast();
+        }
+
+        // size: eq
+        {
+            basic.mutable_check_size_eq_1()->Add("1");
+            basic.mutable_check_size_eq_1()->Add("2"); // extra
+            Validate(basic, "size is not ==");
+            basic.mutable_check_size_eq_1()->RemoveLast();
+        }
+
+        // size: ge
+        {
+            Validate(basic, "size is not >=");
+            basic.mutable_check_size_ge_1()->Add("1");
+        }
+
+        // size: gt
+        {
+            basic.mutable_check_size_gt_1()->Add("1");
+            Validate(basic, "size is not >");
+            basic.mutable_check_size_gt_1()->Add("1");
+        }
+
+        // length: range
+        {
+            Validate(basic, "length is not in");
+            basic.set_check_length_range_1_3("value");
+
+            Validate(basic, "length is not in");
+            basic.set_check_length_range_1_3("val");
+        }
+
+        // length: lt
+        {
+            basic.set_check_length_lt_4("value");
+            Validate(basic, "length is not <");
+            basic.set_check_length_lt_4("val");
+        }
+
+        // length: le
+        {
+            basic.set_check_length_le_3("value");
+            Validate(basic, "length is not <=");
+            basic.set_check_length_le_3("val");
+        }
+
+        // length: eq
+        {
+            basic.set_check_length_eq_3("value");
+            Validate(basic, "length is not ==");
+            basic.set_check_length_eq_3("val");
+        }
+
+        // length: ge
+        {
+            basic.set_check_length_ge_3("v");
+            Validate(basic, "length is not >=");
+            basic.set_check_length_ge_3("val");
+        }
+
+        // length: gt
+        {
+            basic.set_check_length_gt_3("val");
+            Validate(basic, "length is not >");
+            basic.set_check_length_gt_3("value");
+        }
+
+        // value: int32
+        {
+            basic.set_check_value_int32(-1);
+            Validate(basic, "value is not");
+            basic.set_check_value_int32(-2);
+        }
+
+        // value: int64
+        {
+            basic.set_check_value_int64(-5'000'000'000);
+            Validate(basic, "value is not");
+            basic.set_check_value_int64(-5'000'000'001);
+        }
+
+        // value: uint32
+        {
+            basic.set_check_value_uint32(1);
+            Validate(basic, "value is not");
+            basic.set_check_value_uint32(2);
+        }
+
+        // value: uint64
+        {
+            basic.set_check_value_uint64(5'000'000'000);
+            Validate(basic, "value is not");
+            basic.set_check_value_uint64(5'000'000'001);
+        }
+
+        // value: double
+        {
+            basic.set_check_value_double(0.99);
+            Validate(basic, "value is not");
+            basic.set_check_value_double(1.01);
+        }
+
+        // value: float
+        {
+            basic.set_check_value_float(-0.99);
+            Validate(basic, "value is not");
+            basic.set_check_value_float(-1.01);
+        }
+
+        // value: bool
+        {
+            basic.set_check_value_bool(false);
+            Validate(basic, "value is not");
+            basic.set_check_value_bool(true);
+        }
+
+        // value: string
+        {
+            basic.set_check_value_string("changeme");
+            Validate(basic, "value is not");
+            basic.set_check_value_string("changed");
+        }
+
+        // value: range [1;10]
+        {
+            basic.set_check_value_range_1(11);
+            Validate(basic, "value is not");
+            basic.set_check_value_range_1(10);
+        }
+
+        // value: range (1;10]
+        {
+            basic.set_check_value_range_2(1);
+            Validate(basic, "value is not");
+            basic.set_check_value_range_2(2);
+        }
+
+        // value: range [1;10)
+        {
+            basic.set_check_value_range_3(10);
+            Validate(basic, "value is not");
+            basic.set_check_value_range_3(9);
+        }
+
+        // value: range (1;10)
+        {
+            basic.set_check_value_range_4(1);
+            Validate(basic, "value is not");
+            basic.set_check_value_range_4(5);
+        }
+
+        UNIT_ASSERT(Validate(basic));
+    }
+
+    Y_UNIT_TEST(Map) {
+        MessageMap map;
+
+        // size
+        {
+            Validate(map, "size is not >");
+            map.mutable_values()->insert({"key", "value"});
+        }
+
+        // value's length
+        {
+            Validate(map, "value length is not <");
+            map.mutable_values()->at("key") = "v";
+        }
+
+        // key's length
+        {
+            Validate(map, "key length is not <");
+            map.mutable_values()->erase("key");
+            map.mutable_values()->insert({"k", "v"});
+        }
+
+        // key
+        {
+            Validate(map, "key is not");
+            map.mutable_values()->erase("k");
+            map.mutable_values()->insert({"a", "v"});
+        }
+
+        // value
+        {
+            Validate(map, "value is not");
+            map.mutable_values()->erase("a");
+            map.mutable_values()->insert({"a", "b"});
+        }
+
+        UNIT_ASSERT(Validate(map));
+    }
+
+    Y_UNIT_TEST(Oneof) {
+        MessageOneof oneof;
+
+        // required
+        {
+            Validate(oneof, "required but not set");
+            oneof.set_check_required("set");
+        }
+
+        // check oneof (1)
+        {
+            oneof.set_check_le_1("12");
+            Validate(oneof, "length is not <=");
+
+            oneof.set_check_le_1("1");
+            UNIT_ASSERT(Validate(oneof));
+        }
+
+        // check oneof (2)
+        {
+            oneof.set_check_le_2("123");
+            Validate(oneof, "length is not <=");
+
+            oneof.set_check_le_2("12");
+            UNIT_ASSERT(Validate(oneof));
+        }
+    }
+}
diff --git a/ydb/core/grpc_services/validation/ut/protos/validation_test.proto b/ydb/core/grpc_services/validation/ut/protos/validation_test.proto
index 6e2b1dcc89..f2c26ab388 100644
--- a/ydb/core/grpc_services/validation/ut/protos/validation_test.proto
+++ b/ydb/core/grpc_services/validation/ut/protos/validation_test.proto
@@ -1,60 +1,60 @@
-syntax = "proto3"; 
-option cc_enable_arenas = true; 
- 
+syntax = "proto3";
+option cc_enable_arenas = true;
+
 import "ydb/public/api/protos/annotations/validation.proto";
- 
-package Ydb.ValidationTest; 
- 
-message EmptyMessage { 
-} 
- 
-message MessageWithoutValidators { 
-    uint32 key = 1; 
-    string value = 2; 
-    repeated string payload = 3; 
-} 
- 
-message MessageBasic { 
-    string check_required = 1 [(required) = true]; 
- 
-    repeated string check_size_range_1_2 = 2 [(size).range = {min: 1, max: 2}]; 
-    repeated string check_size_lt_2 = 3 [(size).lt = 2]; 
-    repeated string check_size_le_1 = 4 [(size).le = 1]; 
-    repeated string check_size_eq_1 = 5 [(size).eq = 1]; 
-    repeated string check_size_ge_1 = 6 [(size).ge = 1]; 
-    repeated string check_size_gt_1 = 7 [(size).gt = 1]; 
- 
-    string check_length_range_1_3 = 8 [(length).range = {min: 1, max: 3}]; 
-    string check_length_lt_4 = 9 [(length).lt = 4]; 
-    string check_length_le_3 = 10 [(length).le = 3]; 
-    string check_length_eq_3 = 11 [(length).eq = 3]; 
-    string check_length_ge_3 = 12 [(length).ge = 3]; 
-    string check_length_gt_3 = 13 [(length).gt = 3]; 
- 
-    int32 check_value_int32 = 14 [(value) = "< -1"]; 
-    int64 check_value_int64 = 15 [(value) = "< -5'000'000'000"]; 
-    uint32 check_value_uint32 = 16 [(value) = "> 1"]; 
-    uint64 check_value_uint64 = 17 [(value) = "> 5'000'000'000"]; 
-    double check_value_double = 18 [(value) = "> 1.0"]; 
-    float check_value_float = 19 [(value) = "< -1.0"]; 
-    bool check_value_bool = 20 [(value) = "== true"]; 
-    string check_value_string = 21 [(value) = '!= "changeme"']; 
- 
-    int32 check_value_range_1 = 22 [(value) = "[1; 10]"]; 
-    int32 check_value_range_2 = 23 [(value) = "(1; 10]"]; 
-    int32 check_value_range_3 = 24 [(value) = "[1; 10)"]; 
-    int32 check_value_range_4 = 25 [(value) = "(1; 10)"]; 
-} 
- 
-message MessageMap { 
-    map<string, string> values = 1 [(size).gt = 0, (map_key).length.lt = 2, (length).lt = 2, (map_key).value = '!= "k"', (value) = '!= "v"']; 
-} 
- 
-message MessageOneof { 
-    uint32 key = 1; 
-    string check_required = 2 [(required) = true]; 
-    oneof value { 
-        string check_le_1 = 3 [(length).le = 1]; 
-        string check_le_2 = 4 [(length).le = 2]; 
-    } 
-} 
+
+package Ydb.ValidationTest;
+
+message EmptyMessage {
+}
+
+message MessageWithoutValidators {
+    uint32 key = 1;
+    string value = 2;
+    repeated string payload = 3;
+}
+
+message MessageBasic {
+    string check_required = 1 [(required) = true];
+
+    repeated string check_size_range_1_2 = 2 [(size).range = {min: 1, max: 2}];
+    repeated string check_size_lt_2 = 3 [(size).lt = 2];
+    repeated string check_size_le_1 = 4 [(size).le = 1];
+    repeated string check_size_eq_1 = 5 [(size).eq = 1];
+    repeated string check_size_ge_1 = 6 [(size).ge = 1];
+    repeated string check_size_gt_1 = 7 [(size).gt = 1];
+
+    string check_length_range_1_3 = 8 [(length).range = {min: 1, max: 3}];
+    string check_length_lt_4 = 9 [(length).lt = 4];
+    string check_length_le_3 = 10 [(length).le = 3];
+    string check_length_eq_3 = 11 [(length).eq = 3];
+    string check_length_ge_3 = 12 [(length).ge = 3];
+    string check_length_gt_3 = 13 [(length).gt = 3];
+
+    int32 check_value_int32 = 14 [(value) = "< -1"];
+    int64 check_value_int64 = 15 [(value) = "< -5'000'000'000"];
+    uint32 check_value_uint32 = 16 [(value) = "> 1"];
+    uint64 check_value_uint64 = 17 [(value) = "> 5'000'000'000"];
+    double check_value_double = 18 [(value) = "> 1.0"];
+    float check_value_float = 19 [(value) = "< -1.0"];
+    bool check_value_bool = 20 [(value) = "== true"];
+    string check_value_string = 21 [(value) = '!= "changeme"'];
+
+    int32 check_value_range_1 = 22 [(value) = "[1; 10]"];
+    int32 check_value_range_2 = 23 [(value) = "(1; 10]"];
+    int32 check_value_range_3 = 24 [(value) = "[1; 10)"];
+    int32 check_value_range_4 = 25 [(value) = "(1; 10)"];
+}
+
+message MessageMap {
+    map<string, string> values = 1 [(size).gt = 0, (map_key).length.lt = 2, (length).lt = 2, (map_key).value = '!= "k"', (value) = '!= "v"'];
+}
+
+message MessageOneof {
+    uint32 key = 1;
+    string check_required = 2 [(required) = true];
+    oneof value {
+        string check_le_1 = 3 [(length).le = 1];
+        string check_le_2 = 4 [(length).le = 2];
+    }
+}
diff --git a/ydb/core/grpc_services/validation/ut/protos/ya.make b/ydb/core/grpc_services/validation/ut/protos/ya.make
index 4f02d06acb..366c4a4339 100644
--- a/ydb/core/grpc_services/validation/ut/protos/ya.make
+++ b/ydb/core/grpc_services/validation/ut/protos/ya.make
@@ -1,20 +1,20 @@
-PROTO_LIBRARY() 
- 
-OWNER( 
-    ilnaz 
-    g:kikimr 
-) 
- 
-PEERDIR( 
+PROTO_LIBRARY()
+
+OWNER(
+    ilnaz
+    g:kikimr
+)
+
+PEERDIR(
     ydb/public/api/protos/annotations
-) 
- 
-SRCS( 
-    validation_test.proto 
-) 
- 
+)
+
+SRCS(
+    validation_test.proto
+)
+
 CPP_PROTO_PLUGIN0(validation ydb/core/grpc_services/validation)
- 
+
 EXCLUDE_TAGS(GO_PROTO)
 
-END() 
+END()
diff --git a/ydb/core/grpc_services/validation/ut/ya.make b/ydb/core/grpc_services/validation/ut/ya.make
index e03b75e243..a3eb118780 100644
--- a/ydb/core/grpc_services/validation/ut/ya.make
+++ b/ydb/core/grpc_services/validation/ut/ya.make
@@ -1,23 +1,23 @@
 UNITTEST_FOR(ydb/core/grpc_services/validation)
- 
-OWNER( 
-    ilnaz 
-    g:kikimr 
-) 
- 
-FORK_SUBTESTS() 
- 
-IF (SANITIZER_TYPE OR WITH_VALGRIND) 
-    SIZE(MEDIUM) 
-ENDIF() 
- 
-PEERDIR( 
+
+OWNER(
+    ilnaz
+    g:kikimr
+)
+
+FORK_SUBTESTS()
+
+IF (SANITIZER_TYPE OR WITH_VALGRIND)
+    SIZE(MEDIUM)
+ENDIF()
+
+PEERDIR(
     library/cpp/testing/unittest
     ydb/core/grpc_services/validation/ut/protos
-) 
- 
-SRCS( 
-    ut.cpp 
-) 
- 
-END() 
+)
+
+SRCS(
+    ut.cpp
+)
+
+END()
diff --git a/ydb/core/grpc_services/validation/ya.make b/ydb/core/grpc_services/validation/ya.make
index b6781a5c3b..a0efda9559 100644
--- a/ydb/core/grpc_services/validation/ya.make
+++ b/ydb/core/grpc_services/validation/ya.make
@@ -1,21 +1,21 @@
-PROGRAM() 
- 
-OWNER( 
-    ilnaz 
-    g:kikimr 
-) 
- 
-PEERDIR( 
+PROGRAM()
+
+OWNER(
+    ilnaz
+    g:kikimr
+)
+
+PEERDIR(
     contrib/libs/protoc
     ydb/public/api/protos/annotations
-) 
- 
-SRCS( 
-    helpers.cpp 
-    main.cpp 
-) 
- 
-END() 
+)
+
+SRCS(
+    helpers.cpp
+    main.cpp
+)
+
+END()
 
 RECURSE_FOR_TESTS(
     ut
diff --git a/ydb/core/grpc_services/ya.make b/ydb/core/grpc_services/ya.make
index 91f5a5f106..05b156bf04 100644
--- a/ydb/core/grpc_services/ya.make
+++ b/ydb/core/grpc_services/ya.make
@@ -18,12 +18,12 @@ SRCS(
     rpc_alter_table.cpp
     rpc_begin_transaction.cpp
     rpc_calls.cpp
-    rpc_cancel_operation.cpp 
+    rpc_cancel_operation.cpp
     rpc_cms.cpp
     rpc_commit_transaction.cpp
     rpc_copy_table.cpp
     rpc_copy_tables.cpp
-    rpc_export.cpp 
+    rpc_export.cpp
     rpc_create_coordination_node.cpp
     rpc_create_session.cpp
     rpc_create_table.cpp
@@ -40,16 +40,16 @@ SRCS(
     rpc_execute_yql_script.cpp
     rpc_explain_yql_script.cpp
     rpc_explain_data_query.cpp
-    rpc_forget_operation.cpp 
+    rpc_forget_operation.cpp
     rpc_get_operation.cpp
     rpc_get_shard_locations.cpp
-    rpc_import.cpp 
-    rpc_import_data.cpp 
+    rpc_import.cpp
+    rpc_import_data.cpp
     rpc_keep_alive.cpp
     rpc_kh_describe.cpp
     rpc_kh_snapshots.cpp
     rpc_kqp_base.cpp
-    rpc_list_operations.cpp 
+    rpc_list_operations.cpp
     rpc_login.cpp
     rpc_load_rows.cpp
     rpc_log_store.cpp
diff --git a/ydb/core/io_formats/csv.h b/ydb/core/io_formats/csv.h
index a3d9547b8c..d3e75a487d 100644
--- a/ydb/core/io_formats/csv.h
+++ b/ydb/core/io_formats/csv.h
@@ -1,22 +1,22 @@
-#pragma once 
- 
+#pragma once
+
 #include <ydb/core/scheme/scheme_tablecell.h>
 #include <ydb/public/lib/scheme_types/scheme_type_id.h>
- 
-#include <util/generic/strbuf.h> 
-#include <util/memory/pool.h> 
- 
+
+#include <util/generic/strbuf.h>
+#include <util/memory/pool.h>
+
 #include <contrib/libs/apache/arrow/cpp/src/arrow/csv/api.h>
 #include <contrib/libs/apache/arrow/cpp/src/arrow/io/api.h>
 
 namespace NKikimr::NFormats {
- 
+
 struct TYdbDump {
     // Parse YdbDump-formatted line
     static bool ParseLine(TStringBuf line, const std::vector<std::pair<i32, ui32>>& columnOrderTypes, TMemoryPool& pool,
                           TVector<TCell>& keys, TVector<TCell>& values, TString& strError, ui64& numBytes);
 };
- 
+
 class TArrowCSV {
 public:
     static constexpr ui32 DEFAULT_BLOCK_SIZE = 1024 * 1024;
diff --git a/ydb/core/io_formats/csv_ydb_dump.cpp b/ydb/core/io_formats/csv_ydb_dump.cpp
index f5a602df4c..803c4eb531 100644
--- a/ydb/core/io_formats/csv_ydb_dump.cpp
+++ b/ydb/core/io_formats/csv_ydb_dump.cpp
@@ -1,267 +1,267 @@
 #include "csv.h"
- 
-#include <contrib/libs/double-conversion/double-conversion.h> 
- 
+
+#include <contrib/libs/double-conversion/double-conversion.h>
+
 #include <ydb/library/binary_json/write.h>
 #include <ydb/library/dynumber/dynumber.h>
- 
-#include <library/cpp/string_utils/quote/quote.h> 
- 
+
+#include <library/cpp/string_utils/quote/quote.h>
+
 #include <ydb/library/yql/minikql/dom/yson.h>
 #include <ydb/library/yql/minikql/dom/json.h>
 #include <ydb/library/yql/public/udf/udf_types.h>
 #include <ydb/library/yql/public/decimal/yql_decimal.h>
 #include <ydb/library/yql/utils/utf8.h>
- 
-#include <util/datetime/base.h> 
-#include <util/string/cast.h> 
- 
+
+#include <util/datetime/base.h>
+#include <util/string/cast.h>
+
 namespace NKikimr::NFormats {
- 
-namespace { 
- 
-    bool CheckedUnescape(TStringBuf value, TString& result) { 
-        if (value.size() < 2 || value.front() != '"' || value.back() != '"') { 
-            return false; 
-        } 
- 
-        result = CGIUnescapeRet(value.Skip(1).Chop(1)); 
-        return true; 
-    } 
- 
-    template <typename T> 
-    bool TryParse(TStringBuf value, T& result) { 
-        return TryFromString(value, result); 
-    } 
- 
-    template <> 
-    bool TryParse(TStringBuf value, double& result) { 
-        struct TCvt: public double_conversion::StringToDoubleConverter { 
-            inline TCvt() 
-                : StringToDoubleConverter(ALLOW_TRAILING_JUNK | ALLOW_HEX | ALLOW_LEADING_SPACES, 0.0, NAN, "inf", "nan") 
-            { 
-            } 
-        }; 
- 
-        int processed = 0; 
-        result = Singleton<TCvt>()->StringToDouble(value.Data(), value.Size(), &processed); 
- 
-        return static_cast<size_t>(processed) == value.Size(); 
-    } 
- 
-    template <> 
-    bool TryParse(TStringBuf value, float& result) { 
-        double tmp; 
-        if (TryParse(value, tmp)) { 
-            result = static_cast<float>(tmp); 
-            return true; 
-        } 
- 
-        return false; 
-    } 
- 
-    template <> 
-    bool TryParse(TStringBuf value, TInstant& result) { 
-        return TInstant::TryParseIso8601(value, result); 
-    } 
- 
-    template <> 
-    bool TryParse(TStringBuf value, TString& result) { 
-        return CheckedUnescape(value, result); 
-    } 
- 
-    template <> 
-    bool TryParse(TStringBuf value, NYql::NDecimal::TInt128& result) { 
-        if (!NYql::NDecimal::IsValid(value)) { 
-            return false; 
-        } 
- 
-        result = NYql::NDecimal::FromString(value, NScheme::DECIMAL_PRECISION, NScheme::DECIMAL_SCALE); 
-        return true; 
-    } 
- 
-    template <> 
-    bool TryParse(TStringBuf value, TMaybe<NBinaryJson::TBinaryJson>& result) { 
-        TString unescaped; 
-        if (!CheckedUnescape(value, unescaped)) { 
-            return false; 
-        } 
- 
-        result = NBinaryJson::SerializeToBinaryJson(unescaped); 
-        return result.Defined(); 
-    } 
- 
-    template <> 
-    bool TryParse(TStringBuf value, TMaybe<TString>& result) { 
-        result = NDyNumber::ParseDyNumberString(value); 
-        return result.Defined(); 
-    } 
- 
-    template <typename T, typename U> 
-    using TConverter = std::function<U(const T&)>; 
- 
-    template <typename T, typename U> 
-    U Implicit(const T& v) { 
-        return v; 
-    } 
- 
-    ui16 Days(const TInstant& v) { 
-        return v.Days(); 
-    } 
- 
-    ui32 Seconds(const TInstant& v) { 
-        return v.Seconds(); 
-    } 
- 
-    ui64 MicroSeconds(const TInstant& v) { 
-        return v.MicroSeconds(); 
-    } 
- 
-    std::pair<ui64, ui64> Int128ToPair(const NYql::NDecimal::TInt128& v) { 
-        return NYql::NDecimal::MakePair(v); 
-    } 
- 
-    TStringBuf BinaryJsonToStringBuf(const TMaybe<NBinaryJson::TBinaryJson>& v) { 
-        Y_VERIFY(v.Defined()); 
-        return TStringBuf(v->Data(), v->Size()); 
-    } 
- 
-    TStringBuf DyNumberToStringBuf(const TMaybe<TString>& v) { 
-        Y_VERIFY(v.Defined()); 
-        return TStringBuf(*v); 
-    } 
- 
-    template <typename T, typename U = T> 
-    struct TCellMaker { 
-        static bool Make(TCell& c, TStringBuf v, TMemoryPool& pool, TConverter<T, U> conv = &Implicit<T, U>) { 
-            T t; 
-            if (!TryParse<T>(v, t)) { 
-                return false; 
-            } 
- 
-            auto& u = *pool.Allocate<U>(); 
-            u = conv(t); 
-            c = TCell(reinterpret_cast<const char*>(&u), sizeof(u)); 
- 
-            return true; 
-        } 
-    }; 
- 
-    template <typename T> 
-    struct TCellMaker<T, TStringBuf> { 
-        static bool Make(TCell& c, TStringBuf v, TMemoryPool& pool, TConverter<T, TStringBuf> conv = &Implicit<T, TStringBuf>) { 
-            T t; 
-            if (!TryParse<T>(v, t)) { 
-                return false; 
-            } 
- 
-            const auto u = pool.AppendString(conv(t)); 
-            c = TCell(u.data(), u.size()); 
- 
-            return true; 
-        } 
-    }; 
- 
-} // anonymous 
- 
-bool MakeCell(TCell& cell, TStringBuf value, NScheme::TTypeId type, TMemoryPool& pool) { 
-    if (value == "null") { 
-        return true; 
-    } 
- 
-    switch (type) { 
-    case NScheme::NTypeIds::Bool: 
-        return TCellMaker<bool>::Make(cell, value, pool); 
-    case NScheme::NTypeIds::Int8: 
-        return TCellMaker<i8>::Make(cell, value, pool); 
-    case NScheme::NTypeIds::Uint8: 
-        return TCellMaker<ui8>::Make(cell, value, pool); 
-    case NScheme::NTypeIds::Int16: 
-        return TCellMaker<i16>::Make(cell, value, pool); 
-    case NScheme::NTypeIds::Uint16: 
-        return TCellMaker<ui16>::Make(cell, value, pool); 
-    case NScheme::NTypeIds::Int32: 
-        return TCellMaker<i32>::Make(cell, value, pool); 
-    case NScheme::NTypeIds::Uint32: 
-        return TCellMaker<ui32>::Make(cell, value, pool); 
-    case NScheme::NTypeIds::Int64: 
-        return TCellMaker<i64>::Make(cell, value, pool); 
-    case NScheme::NTypeIds::Uint64: 
-        return TCellMaker<ui64>::Make(cell, value, pool); 
-    case NScheme::NTypeIds::Float: 
-        return TCellMaker<float>::Make(cell, value, pool); 
-    case NScheme::NTypeIds::Double: 
-        return TCellMaker<double>::Make(cell, value, pool); 
-    case NScheme::NTypeIds::Date: 
-        return TCellMaker<TInstant, ui16>::Make(cell, value, pool, &Days); 
-    case NScheme::NTypeIds::Datetime: 
-        return TCellMaker<TInstant, ui32>::Make(cell, value, pool, &Seconds); 
-    case NScheme::NTypeIds::Timestamp: 
-        return TCellMaker<TInstant, ui64>::Make(cell, value, pool, &MicroSeconds); 
-    case NScheme::NTypeIds::Interval: 
-        return TCellMaker<i64>::Make(cell, value, pool); 
-    case NScheme::NTypeIds::String: 
-    case NScheme::NTypeIds::String4k: 
-    case NScheme::NTypeIds::String2m: 
-    case NScheme::NTypeIds::Utf8: 
-    case NScheme::NTypeIds::Yson: 
-    case NScheme::NTypeIds::Json: 
-        return TCellMaker<TString, TStringBuf>::Make(cell, value, pool); 
-    case NScheme::NTypeIds::JsonDocument: 
-        return TCellMaker<TMaybe<NBinaryJson::TBinaryJson>, TStringBuf>::Make(cell, value, pool, &BinaryJsonToStringBuf); 
-    case NScheme::NTypeIds::DyNumber: 
-        return TCellMaker<TMaybe<TString>, TStringBuf>::Make(cell, value, pool, &DyNumberToStringBuf); 
-    case NScheme::NTypeIds::Decimal: 
-        return TCellMaker<NYql::NDecimal::TInt128, std::pair<ui64, ui64>>::Make(cell, value, pool, &Int128ToPair); 
-    default: 
-        return false; 
-    } 
-} 
- 
-bool CheckCellValue(const TCell& cell, NScheme::TTypeId type) { 
-    if (cell.IsNull()) { 
-        return true; 
-    } 
- 
-    switch (type) { 
-    case NScheme::NTypeIds::Bool: 
-    case NScheme::NTypeIds::Int8: 
-    case NScheme::NTypeIds::Uint8: 
-    case NScheme::NTypeIds::Int16: 
-    case NScheme::NTypeIds::Uint16: 
-    case NScheme::NTypeIds::Int32: 
-    case NScheme::NTypeIds::Uint32: 
-    case NScheme::NTypeIds::Int64: 
-    case NScheme::NTypeIds::Uint64: 
-    case NScheme::NTypeIds::Float: 
-    case NScheme::NTypeIds::Double: 
-    case NScheme::NTypeIds::String: 
-    case NScheme::NTypeIds::String4k: 
-    case NScheme::NTypeIds::String2m: 
-    case NScheme::NTypeIds::JsonDocument: // checked at parsing time 
-    case NScheme::NTypeIds::DyNumber: // checked at parsing time 
-        return true; 
-    case NScheme::NTypeIds::Date: 
-        return cell.AsValue<ui16>() < NUdf::MAX_DATE; 
-    case NScheme::NTypeIds::Datetime: 
-        return cell.AsValue<ui32>() < NUdf::MAX_DATETIME; 
-    case NScheme::NTypeIds::Timestamp: 
-        return cell.AsValue<ui64>() < NUdf::MAX_TIMESTAMP; 
-    case NScheme::NTypeIds::Interval: 
-        return (ui64)std::abs(cell.AsValue<i64>()) < NUdf::MAX_TIMESTAMP; 
-    case NScheme::NTypeIds::Utf8: 
-        return NYql::IsUtf8(cell.AsBuf()); 
-    case NScheme::NTypeIds::Yson: 
-        return NYql::NDom::IsValidYson(cell.AsBuf()); 
-    case NScheme::NTypeIds::Json: 
-        return NYql::NDom::IsValidJson(cell.AsBuf()); 
-    case NScheme::NTypeIds::Decimal: 
-        return !NYql::NDecimal::IsError(cell.AsValue<NYql::NDecimal::TInt128>()); 
-    default: 
-        return false; 
-    } 
-} 
- 
+
+namespace {
+
+    bool CheckedUnescape(TStringBuf value, TString& result) {
+        if (value.size() < 2 || value.front() != '"' || value.back() != '"') {
+            return false;
+        }
+
+        result = CGIUnescapeRet(value.Skip(1).Chop(1));
+        return true;
+    }
+
+    template <typename T>
+    bool TryParse(TStringBuf value, T& result) {
+        return TryFromString(value, result);
+    }
+
+    template <>
+    bool TryParse(TStringBuf value, double& result) {
+        struct TCvt: public double_conversion::StringToDoubleConverter {
+            inline TCvt()
+                : StringToDoubleConverter(ALLOW_TRAILING_JUNK | ALLOW_HEX | ALLOW_LEADING_SPACES, 0.0, NAN, "inf", "nan")
+            {
+            }
+        };
+
+        int processed = 0;
+        result = Singleton<TCvt>()->StringToDouble(value.Data(), value.Size(), &processed);
+
+        return static_cast<size_t>(processed) == value.Size();
+    }
+
+    template <>
+    bool TryParse(TStringBuf value, float& result) {
+        double tmp;
+        if (TryParse(value, tmp)) {
+            result = static_cast<float>(tmp);
+            return true;
+        }
+
+        return false;
+    }
+
+    template <>
+    bool TryParse(TStringBuf value, TInstant& result) {
+        return TInstant::TryParseIso8601(value, result);
+    }
+
+    template <>
+    bool TryParse(TStringBuf value, TString& result) {
+        return CheckedUnescape(value, result);
+    }
+
+    template <>
+    bool TryParse(TStringBuf value, NYql::NDecimal::TInt128& result) {
+        if (!NYql::NDecimal::IsValid(value)) {
+            return false;
+        }
+
+        result = NYql::NDecimal::FromString(value, NScheme::DECIMAL_PRECISION, NScheme::DECIMAL_SCALE);
+        return true;
+    }
+
+    template <>
+    bool TryParse(TStringBuf value, TMaybe<NBinaryJson::TBinaryJson>& result) {
+        TString unescaped;
+        if (!CheckedUnescape(value, unescaped)) {
+            return false;
+        }
+
+        result = NBinaryJson::SerializeToBinaryJson(unescaped);
+        return result.Defined();
+    }
+
+    template <>
+    bool TryParse(TStringBuf value, TMaybe<TString>& result) {
+        result = NDyNumber::ParseDyNumberString(value);
+        return result.Defined();
+    }
+
+    template <typename T, typename U>
+    using TConverter = std::function<U(const T&)>;
+
+    template <typename T, typename U>
+    U Implicit(const T& v) {
+        return v;
+    }
+
+    ui16 Days(const TInstant& v) {
+        return v.Days();
+    }
+
+    ui32 Seconds(const TInstant& v) {
+        return v.Seconds();
+    }
+
+    ui64 MicroSeconds(const TInstant& v) {
+        return v.MicroSeconds();
+    }
+
+    std::pair<ui64, ui64> Int128ToPair(const NYql::NDecimal::TInt128& v) {
+        return NYql::NDecimal::MakePair(v);
+    }
+
+    TStringBuf BinaryJsonToStringBuf(const TMaybe<NBinaryJson::TBinaryJson>& v) {
+        Y_VERIFY(v.Defined());
+        return TStringBuf(v->Data(), v->Size());
+    }
+
+    TStringBuf DyNumberToStringBuf(const TMaybe<TString>& v) {
+        Y_VERIFY(v.Defined());
+        return TStringBuf(*v);
+    }
+
+    template <typename T, typename U = T>
+    struct TCellMaker {
+        static bool Make(TCell& c, TStringBuf v, TMemoryPool& pool, TConverter<T, U> conv = &Implicit<T, U>) {
+            T t;
+            if (!TryParse<T>(v, t)) {
+                return false;
+            }
+
+            auto& u = *pool.Allocate<U>();
+            u = conv(t);
+            c = TCell(reinterpret_cast<const char*>(&u), sizeof(u));
+
+            return true;
+        }
+    };
+
+    template <typename T>
+    struct TCellMaker<T, TStringBuf> {
+        static bool Make(TCell& c, TStringBuf v, TMemoryPool& pool, TConverter<T, TStringBuf> conv = &Implicit<T, TStringBuf>) {
+            T t;
+            if (!TryParse<T>(v, t)) {
+                return false;
+            }
+
+            const auto u = pool.AppendString(conv(t));
+            c = TCell(u.data(), u.size());
+
+            return true;
+        }
+    };
+
+} // anonymous
+
+bool MakeCell(TCell& cell, TStringBuf value, NScheme::TTypeId type, TMemoryPool& pool) {
+    if (value == "null") {
+        return true;
+    }
+
+    switch (type) {
+    case NScheme::NTypeIds::Bool:
+        return TCellMaker<bool>::Make(cell, value, pool);
+    case NScheme::NTypeIds::Int8:
+        return TCellMaker<i8>::Make(cell, value, pool);
+    case NScheme::NTypeIds::Uint8:
+        return TCellMaker<ui8>::Make(cell, value, pool);
+    case NScheme::NTypeIds::Int16:
+        return TCellMaker<i16>::Make(cell, value, pool);
+    case NScheme::NTypeIds::Uint16:
+        return TCellMaker<ui16>::Make(cell, value, pool);
+    case NScheme::NTypeIds::Int32:
+        return TCellMaker<i32>::Make(cell, value, pool);
+    case NScheme::NTypeIds::Uint32:
+        return TCellMaker<ui32>::Make(cell, value, pool);
+    case NScheme::NTypeIds::Int64:
+        return TCellMaker<i64>::Make(cell, value, pool);
+    case NScheme::NTypeIds::Uint64:
+        return TCellMaker<ui64>::Make(cell, value, pool);
+    case NScheme::NTypeIds::Float:
+        return TCellMaker<float>::Make(cell, value, pool);
+    case NScheme::NTypeIds::Double:
+        return TCellMaker<double>::Make(cell, value, pool);
+    case NScheme::NTypeIds::Date:
+        return TCellMaker<TInstant, ui16>::Make(cell, value, pool, &Days);
+    case NScheme::NTypeIds::Datetime:
+        return TCellMaker<TInstant, ui32>::Make(cell, value, pool, &Seconds);
+    case NScheme::NTypeIds::Timestamp:
+        return TCellMaker<TInstant, ui64>::Make(cell, value, pool, &MicroSeconds);
+    case NScheme::NTypeIds::Interval:
+        return TCellMaker<i64>::Make(cell, value, pool);
+    case NScheme::NTypeIds::String:
+    case NScheme::NTypeIds::String4k:
+    case NScheme::NTypeIds::String2m:
+    case NScheme::NTypeIds::Utf8:
+    case NScheme::NTypeIds::Yson:
+    case NScheme::NTypeIds::Json:
+        return TCellMaker<TString, TStringBuf>::Make(cell, value, pool);
+    case NScheme::NTypeIds::JsonDocument:
+        return TCellMaker<TMaybe<NBinaryJson::TBinaryJson>, TStringBuf>::Make(cell, value, pool, &BinaryJsonToStringBuf);
+    case NScheme::NTypeIds::DyNumber:
+        return TCellMaker<TMaybe<TString>, TStringBuf>::Make(cell, value, pool, &DyNumberToStringBuf);
+    case NScheme::NTypeIds::Decimal:
+        return TCellMaker<NYql::NDecimal::TInt128, std::pair<ui64, ui64>>::Make(cell, value, pool, &Int128ToPair);
+    default:
+        return false;
+    }
+}
+
+bool CheckCellValue(const TCell& cell, NScheme::TTypeId type) {
+    if (cell.IsNull()) {
+        return true;
+    }
+
+    switch (type) {
+    case NScheme::NTypeIds::Bool:
+    case NScheme::NTypeIds::Int8:
+    case NScheme::NTypeIds::Uint8:
+    case NScheme::NTypeIds::Int16:
+    case NScheme::NTypeIds::Uint16:
+    case NScheme::NTypeIds::Int32:
+    case NScheme::NTypeIds::Uint32:
+    case NScheme::NTypeIds::Int64:
+    case NScheme::NTypeIds::Uint64:
+    case NScheme::NTypeIds::Float:
+    case NScheme::NTypeIds::Double:
+    case NScheme::NTypeIds::String:
+    case NScheme::NTypeIds::String4k:
+    case NScheme::NTypeIds::String2m:
+    case NScheme::NTypeIds::JsonDocument: // checked at parsing time
+    case NScheme::NTypeIds::DyNumber: // checked at parsing time
+        return true;
+    case NScheme::NTypeIds::Date:
+        return cell.AsValue<ui16>() < NUdf::MAX_DATE;
+    case NScheme::NTypeIds::Datetime:
+        return cell.AsValue<ui32>() < NUdf::MAX_DATETIME;
+    case NScheme::NTypeIds::Timestamp:
+        return cell.AsValue<ui64>() < NUdf::MAX_TIMESTAMP;
+    case NScheme::NTypeIds::Interval:
+        return (ui64)std::abs(cell.AsValue<i64>()) < NUdf::MAX_TIMESTAMP;
+    case NScheme::NTypeIds::Utf8:
+        return NYql::IsUtf8(cell.AsBuf());
+    case NScheme::NTypeIds::Yson:
+        return NYql::NDom::IsValidYson(cell.AsBuf());
+    case NScheme::NTypeIds::Json:
+        return NYql::NDom::IsValidJson(cell.AsBuf());
+    case NScheme::NTypeIds::Decimal:
+        return !NYql::NDecimal::IsError(cell.AsValue<NYql::NDecimal::TInt128>());
+    default:
+        return false;
+    }
+}
+
 bool TYdbDump::ParseLine(TStringBuf line, const std::vector<std::pair<i32, ui32>>& columnOrderTypes, TMemoryPool& pool,
                          TVector<TCell>& keys, TVector<TCell>& values, TString& strError, ui64& numBytes)
 {
diff --git a/ydb/core/io_formats/ya.make b/ydb/core/io_formats/ya.make
index 62f53801f8..10e21d69d0 100644
--- a/ydb/core/io_formats/ya.make
+++ b/ydb/core/io_formats/ya.make
@@ -1,18 +1,18 @@
-LIBRARY() 
- 
-OWNER( 
-    ilnaz 
-    g:kikimr 
-) 
- 
-SRCS( 
+LIBRARY()
+
+OWNER(
+    ilnaz
+    g:kikimr
+)
+
+SRCS(
     csv_ydb_dump.cpp
     csv_arrow.cpp
-) 
- 
-PEERDIR( 
-    contrib/libs/double-conversion 
-    library/cpp/string_utils/quote 
+)
+
+PEERDIR(
+    contrib/libs/double-conversion
+    library/cpp/string_utils/quote
     ydb/core/formats
     ydb/core/scheme
     ydb/library/binary_json
@@ -22,8 +22,8 @@ PEERDIR(
     ydb/library/yql/public/udf
     ydb/library/yql/utils
     ydb/public/lib/scheme_types
-) 
- 
+)
+
 YQL_LAST_ABI_VERSION()
- 
-END() 
+
+END()
diff --git a/ydb/core/kesus/proxy/proxy.cpp b/ydb/core/kesus/proxy/proxy.cpp
index 45b7961118..9633816e60 100644
--- a/ydb/core/kesus/proxy/proxy.cpp
+++ b/ydb/core/kesus/proxy/proxy.cpp
@@ -174,15 +174,15 @@ private:
             case TSchemeCacheNavigate::EStatus::PathNotPath:
                 LOG_TRACE_S(ctx, NKikimrServices::KESUS_PROXY,
                     "Resolve did not find path " << msg->KesusPath.Quote()
-                    << ": " << result.Status); 
+                    << ": " << result.Status);
                 entry.LastError.SetStatus(Ydb::StatusIds::NOT_FOUND);
                 entry.LastError.AddIssues()->set_message("Kesus not found");
                 break;
             default:
                 LOG_ERROR_S(ctx, NKikimrServices::KESUS_PROXY,
-                    "Kesus resolve failed: " << result.Status); 
+                    "Kesus resolve failed: " << result.Status);
                 entry.LastError.SetStatus(Ydb::StatusIds::INTERNAL_ERROR);
-                entry.LastError.AddIssues()->set_message(ToString(result.Status)); 
+                entry.LastError.AddIssues()->set_message(ToString(result.Status));
                 break;
         }
         if (entry.ProxyActor && entry.LastError.GetStatus() != Ydb::StatusIds::SUCCESS) {
diff --git a/ydb/core/kqp/executer/kqp_table_resolver.cpp b/ydb/core/kqp/executer/kqp_table_resolver.cpp
index 015feb5002..6d02c3d07c 100644
--- a/ydb/core/kqp/executer/kqp_table_resolver.cpp
+++ b/ydb/core/kqp/executer/kqp_table_resolver.cpp
@@ -241,7 +241,7 @@ private:
             entry.RequestType = NSchemeCache::TSchemeCacheNavigate::TEntry::ERequestType::ByTableId;
             entry.TableId = tableId;
             entry.Operation = NSchemeCache::TSchemeCacheNavigate::OpTable;
-            entry.ShowPrivatePath = true; 
+            entry.ShowPrivatePath = true;
 
             request->ResultSet.emplace_back(std::move(entry));
         }
diff --git a/ydb/core/kqp/executer/ut/kqp_executer_ut.cpp b/ydb/core/kqp/executer/ut/kqp_executer_ut.cpp
index e240734cae..3148a2ec59 100644
--- a/ydb/core/kqp/executer/ut/kqp_executer_ut.cpp
+++ b/ydb/core/kqp/executer/ut/kqp_executer_ut.cpp
@@ -57,8 +57,8 @@ TKikimrParamsMap GetParamsMap(const NYdb::TParams& params) {
         protoParam.mutable_value()->CopyFrom(NYdb::TProtoAccessor::GetProto(pair.second));
 
         NKikimrMiniKQL::TParams mkqlParam;
-        ConvertYdbTypeToMiniKQLType(protoParam.type(), *mkqlParam.MutableType()); 
-        ConvertYdbValueToMiniKQLValue(protoParam.type(), protoParam.value(), *mkqlParam.MutableValue()); 
+        ConvertYdbTypeToMiniKQLType(protoParam.type(), *mkqlParam.MutableType());
+        ConvertYdbValueToMiniKQLValue(protoParam.type(), protoParam.value(), *mkqlParam.MutableValue());
 
         paramsMap.insert(std::make_pair(pair.first, mkqlParam));
     }
diff --git a/ydb/core/kqp/kqp_compile_request.cpp b/ydb/core/kqp/kqp_compile_request.cpp
index 372b3fdad6..2c18af159b 100644
--- a/ydb/core/kqp/kqp_compile_request.cpp
+++ b/ydb/core/kqp/kqp_compile_request.cpp
@@ -184,7 +184,7 @@ private:
             entry.RequestType = TSchemeCacheNavigate::TEntry::ERequestType::ByTableId;
             entry.Operation = TSchemeCacheNavigate::EOp::OpTable;
             entry.SyncVersion = false;
-            entry.ShowPrivatePath = true; 
+            entry.ShowPrivatePath = true;
 
             navigate->ResultSet.emplace_back(entry);
         }
diff --git a/ydb/core/kqp/kqp_ic_gateway.cpp b/ydb/core/kqp/kqp_ic_gateway.cpp
index c503250642..47489a9bd5 100644
--- a/ydb/core/kqp/kqp_ic_gateway.cpp
+++ b/ydb/core/kqp/kqp_ic_gateway.cpp
@@ -1041,7 +1041,7 @@ public:
             }
 
             auto ev = MakeHolder<TRequest>();
-            ev->Record.SetDatabaseName(Database); 
+            ev->Record.SetDatabaseName(Database);
             if (UserToken) {
                 ev->Record.SetUserToken(UserToken->Serialized);
             }
@@ -1100,7 +1100,7 @@ public:
             std::pair<TString, TString> pathPair;
             if (createDir) {
                 TString error;
-                if (!TrySplitPathByDb(metadata->Name, Database, pathPair, error)) { 
+                if (!TrySplitPathByDb(metadata->Name, Database, pathPair, error)) {
                     return MakeFuture(ResultFromError<TGenericResult>(error));
                 }
             } else {
@@ -1141,7 +1141,7 @@ public:
                     profiles.Load(configResult.Config->GetTableProfilesConfig());
 
                     auto ev = MakeHolder<TRequest>();
-                    ev->Record.SetDatabaseName(Database); 
+                    ev->Record.SetDatabaseName(Database);
                     if (UserToken) {
                         ev->Record.SetUserToken(UserToken->Serialized);
                     }
@@ -1154,15 +1154,15 @@ public:
                         for (const auto& index : metadata->Indexes) {
                             auto indexDesc = schemeTx.MutableCreateIndexedTable()->AddIndexDescription();
                             indexDesc->SetName(index.Name);
-                            switch (index.Type) { 
-                                case NYql::TIndexDescription::EType::GlobalSync: 
+                            switch (index.Type) {
+                                case NYql::TIndexDescription::EType::GlobalSync:
                                     indexDesc->SetType(NKikimrSchemeOp::EIndexType::EIndexTypeGlobal);
-                                    break; 
-                                case NYql::TIndexDescription::EType::GlobalAsync: 
+                                    break;
+                                case NYql::TIndexDescription::EType::GlobalAsync:
                                     indexDesc->SetType(NKikimrSchemeOp::EIndexType::EIndexTypeGlobalAsync);
-                                    break; 
-                            } 
- 
+                                    break;
+                            }
+
                             indexDesc->SetState(static_cast<::NKikimrSchemeOp::EIndexState>(index.State));
                             for (const auto& col : index.KeyColumns) {
                                 indexDesc->AddKeyColumnNames(col);
@@ -2046,7 +2046,7 @@ private:
             }
 
             auto ev = MakeHolder<TRequest>();
-            ev->Record.SetDatabaseName(Database); 
+            ev->Record.SetDatabaseName(Database);
             if (UserToken) {
                 ev->Record.SetUserToken(UserToken->Serialized);
             }
@@ -2595,16 +2595,16 @@ private:
             }
         }
 
-        if (const auto& ttl = metadata->TableSettings.TtlSettings) { 
-            if (ttl.IsSet()) { 
-                ConvertTtlSettingsToProto(ttl.GetValueSet(), *proto.mutable_ttl_settings()); 
-            } else { 
-                code = Ydb::StatusIds::BAD_REQUEST; 
-                error = "Can't reset TTL settings"; 
-                return false; 
-            } 
-        } 
- 
+        if (const auto& ttl = metadata->TableSettings.TtlSettings) {
+            if (ttl.IsSet()) {
+                ConvertTtlSettingsToProto(ttl.GetValueSet(), *proto.mutable_ttl_settings());
+            } else {
+                code = Ydb::StatusIds::BAD_REQUEST;
+                error = "Can't reset TTL settings";
+                return false;
+            }
+        }
+
         return true;
     }
 
@@ -2618,7 +2618,7 @@ private:
             return false;
         }
 
-        TColumnFamilyManager families(tableDesc.MutablePartitionConfig()); 
+        TColumnFamilyManager families(tableDesc.MutablePartitionConfig());
 
         for (const auto& familySettings : createTableProto.column_families()) {
             if (!families.ApplyFamilySettings(familySettings, &code, &error)) {
@@ -2630,7 +2630,7 @@ private:
             return false;
         }
 
-        if (!NGRpcService::FillCreateTableSettingsDesc(tableDesc, createTableProto, profiles, code, error, warnings)) { 
+        if (!NGRpcService::FillCreateTableSettingsDesc(tableDesc, createTableProto, profiles, code, error, warnings)) {
             return false;
         }
         return true;
diff --git a/ydb/core/kqp/kqp_metadata_loader.cpp b/ydb/core/kqp/kqp_metadata_loader.cpp
index e56b072fb4..167b8df3c4 100644
--- a/ydb/core/kqp/kqp_metadata_loader.cpp
+++ b/ydb/core/kqp/kqp_metadata_loader.cpp
@@ -2,7 +2,7 @@
 #include "kqp_ic_gateway_actors.h"
 
 #include <ydb/core/base/path.h>
- 
+
 #include <library/cpp/actors/core/hfunc.h>
 #include <library/cpp/actors/core/log.h>
 
@@ -25,7 +25,7 @@ std::pair<TNavigate::TEntry, TString> CreateNavigateEntry(const TString& path, c
     entry.Path = SplitPath(path);
     entry.Operation = NSchemeCache::TSchemeCacheNavigate::EOp::OpTable;
     entry.SyncVersion = true;
-    entry.ShowPrivatePath = settings.WithPrivateTables_; 
+    entry.ShowPrivatePath = settings.WithPrivateTables_;
     return {entry, path};
 }
 
@@ -39,7 +39,7 @@ std::pair<TNavigate::TEntry, TString> CreateNavigateEntry(const std::pair<TIndex
     entry.RequestType = NSchemeCache::TSchemeCacheNavigate::TEntry::ERequestType::ByTableId;
     entry.Operation = NSchemeCache::TSchemeCacheNavigate::EOp::OpList;
     entry.SyncVersion = true;
-    entry.ShowPrivatePath = settings.WithPrivateTables_; 
+    entry.ShowPrivatePath = settings.WithPrivateTables_;
     return {entry, pair.second};
 }
 
@@ -87,7 +87,7 @@ TTableMetadataResult GetLoadTableMetadataResult(const NSchemeCache::TSchemeCache
     using EStatus = NSchemeCache::TSchemeCacheNavigate::EStatus;
     using EKind = NSchemeCache::TSchemeCacheNavigate::EKind;
 
-    auto message = ToString(entry.Status); 
+    auto message = ToString(entry.Status);
 
     switch (entry.Status) {
         case EStatus::Ok:
@@ -106,7 +106,7 @@ TTableMetadataResult GetLoadTableMetadataResult(const NSchemeCache::TSchemeCache
         case EStatus::RedirectLookupError:
             return ResultFromError<TResult>(YqlIssue({}, TIssuesIds::KIKIMR_TEMPORARILY_UNAVAILABLE, message));
         default:
-            return ResultFromError<TResult>(ToString(entry.Status)); 
+            return ResultFromError<TResult>(ToString(entry.Status));
     }
 
     YQL_ENSURE(entry.Kind == EKind::KindTable || entry.Kind == EKind::KindOlapTable);
diff --git a/ydb/core/kqp/provider/yql_kikimr_datasink.cpp b/ydb/core/kqp/provider/yql_kikimr_datasink.cpp
index 70e41c959c..035d6b7701 100644
--- a/ydb/core/kqp/provider/yql_kikimr_datasink.cpp
+++ b/ydb/core/kqp/provider/yql_kikimr_datasink.cpp
@@ -555,7 +555,7 @@ public:
                         .PrimaryKey(settings.PrimaryKey.Cast())
                         .Settings(settings.Other)
                         .Indexes(settings.Indexes.Cast())
-                        .Changefeeds(settings.Changefeeds.Cast()) 
+                        .Changefeeds(settings.Changefeeds.Cast())
                         .PartitionBy(settings.PartitionBy.Cast())
                         .ColumnFamilies(settings.ColumnFamilies.Cast())
                         .TableSettings(settings.TableSettings.Cast())
diff --git a/ydb/core/kqp/provider/yql_kikimr_exec.cpp b/ydb/core/kqp/provider/yql_kikimr_exec.cpp
index b90124bd45..ad360fcaeb 100644
--- a/ydb/core/kqp/provider/yql_kikimr_exec.cpp
+++ b/ydb/core/kqp/provider/yql_kikimr_exec.cpp
@@ -739,19 +739,19 @@ public:
                                                       errText));
                                 return SyncError();
                             }
-                        } else if (name == "setTtlSettings") { 
-                            TTtlSettings ttlSettings; 
-                            TString error; 
- 
-                            YQL_ENSURE(setting.Value().Maybe<TCoNameValueTupleList>()); 
-                            if (!TTtlSettings::TryParse(setting.Value().Cast<TCoNameValueTupleList>(), ttlSettings, error)) { 
-                                ctx.AddError(TIssue(ctx.GetPosition(setting.Name().Pos()), 
-                                    TStringBuilder() << "Invalid TTL settings: " << error)); 
-                                return SyncError(); 
-                            } 
- 
+                        } else if (name == "setTtlSettings") {
+                            TTtlSettings ttlSettings;
+                            TString error;
+
+                            YQL_ENSURE(setting.Value().Maybe<TCoNameValueTupleList>());
+                            if (!TTtlSettings::TryParse(setting.Value().Cast<TCoNameValueTupleList>(), ttlSettings, error)) {
+                                ctx.AddError(TIssue(ctx.GetPosition(setting.Name().Pos()),
+                                    TStringBuilder() << "Invalid TTL settings: " << error));
+                                return SyncError();
+                            }
+
                             ConvertTtlSettingsToProto(ttlSettings, *alterTableRequest.mutable_set_ttl_settings());
-                        } else if (name == "resetTtlSettings") { 
+                        } else if (name == "resetTtlSettings") {
                             alterTableRequest.mutable_drop_ttl_settings();
                         } else {
                             ctx.AddError(TIssue(ctx.GetPosition(setting.Name().Pos()),
@@ -771,10 +771,10 @@ public:
                             add_index->set_name(TString(columnTuple.Item(1).Cast<TCoAtom>().Value()));
                         } else if (name == "indexType") {
                             const auto type = TString(columnTuple.Item(1).Cast<TCoAtom>().Value());
-                            if (type == "syncGlobal") { 
+                            if (type == "syncGlobal") {
                                 add_index->mutable_global_index();
-                            } else if (type == "asyncGlobal") { 
-                                add_index->mutable_global_async_index(); 
+                            } else if (type == "asyncGlobal") {
+                                add_index->mutable_global_async_index();
                             } else {
                                 ctx.AddError(TIssue(ctx.GetPosition(columnTuple.Item(1).Cast<TCoAtom>().Pos()),
                                     TStringBuilder() << "Unknown index type: " << type));
@@ -798,16 +798,16 @@ public:
                             return SyncError();
                         }
                     }
-                    switch (add_index->type_case()) { 
-                        case Ydb::Table::TableIndex::kGlobalIndex: 
+                    switch (add_index->type_case()) {
+                        case Ydb::Table::TableIndex::kGlobalIndex:
                             *add_index->mutable_global_index() = Ydb::Table::GlobalIndex();
-                            break; 
-                        case Ydb::Table::TableIndex::kGlobalAsyncIndex: 
+                            break;
+                        case Ydb::Table::TableIndex::kGlobalAsyncIndex:
                             *add_index->mutable_global_async_index() = Ydb::Table::GlobalAsyncIndex();
-                            break; 
-                        default: 
-                            YQL_ENSURE(false, "Unknown index type: " << (ui32)add_index->type_case()); 
-                    } 
+                            break;
+                        default:
+                            YQL_ENSURE(false, "Unknown index type: " << (ui32)add_index->type_case());
+                    }
                 } else if (name == "dropIndex") {
                     auto nameNode = action.Value().Cast<TCoAtom>();
                     alterTableRequest.add_drop_indexes(TString(nameNode.Value()));
diff --git a/ydb/core/kqp/provider/yql_kikimr_expr_nodes.json b/ydb/core/kqp/provider/yql_kikimr_expr_nodes.json
index 1a8d3080fe..c54d82a2ca 100644
--- a/ydb/core/kqp/provider/yql_kikimr_expr_nodes.json
+++ b/ydb/core/kqp/provider/yql_kikimr_expr_nodes.json
@@ -116,8 +116,8 @@
                 {"Index": 6, "Name": "Indexes", "Type": "TCoIndexList"},
                 {"Index": 7, "Name": "PartitionBy", "Type": "TCoAtomList"},
                 {"Index": 8, "Name": "ColumnFamilies", "Type": "TExprList"},
-                {"Index": 9, "Name": "TableSettings", "Type": "TCoNameValueTupleList"}, 
-                {"Index": 10, "Name": "Changefeeds", "Type": "TCoChangefeedList"} 
+                {"Index": 9, "Name": "TableSettings", "Type": "TCoNameValueTupleList"},
+                {"Index": 10, "Name": "Changefeeds", "Type": "TCoChangefeedList"}
             ]
         },
         {
diff --git a/ydb/core/kqp/provider/yql_kikimr_gateway.cpp b/ydb/core/kqp/provider/yql_kikimr_gateway.cpp
index 38da23e593..e49f84b5e1 100644
--- a/ydb/core/kqp/provider/yql_kikimr_gateway.cpp
+++ b/ydb/core/kqp/provider/yql_kikimr_gateway.cpp
@@ -206,36 +206,36 @@ void IKikimrGateway::BuildIndexMetadata(TTableMetadataResult& loadTableMetadataR
     }
 }
 
-bool TTtlSettings::TryParse(const NNodes::TCoNameValueTupleList& node, TTtlSettings& settings, TString& error) { 
-    using namespace NNodes; 
- 
-    for (const auto& field : node) { 
-        auto name = field.Name().Value(); 
-        if (name == "columnName") { 
-            YQL_ENSURE(field.Value().Maybe<TCoAtom>()); 
-            settings.ColumnName = field.Value().Cast<TCoAtom>().StringValue(); 
-        } else if (name == "expireAfter") { 
-            YQL_ENSURE(field.Value().Maybe<TCoInterval>()); 
-            auto value = FromString<i64>(field.Value().Cast<TCoInterval>().Literal().Value()); 
-            if (value < 0) { 
-                error = "Interval value cannot be negative"; 
-                return false; 
-            } 
- 
-            settings.ExpireAfter = TDuration::FromValue(value); 
-        } else { 
-            error = TStringBuilder() << "Unknown field: " << name; 
-            return false; 
-        } 
-    } 
- 
-    return true; 
-} 
- 
+bool TTtlSettings::TryParse(const NNodes::TCoNameValueTupleList& node, TTtlSettings& settings, TString& error) {
+    using namespace NNodes;
+
+    for (const auto& field : node) {
+        auto name = field.Name().Value();
+        if (name == "columnName") {
+            YQL_ENSURE(field.Value().Maybe<TCoAtom>());
+            settings.ColumnName = field.Value().Cast<TCoAtom>().StringValue();
+        } else if (name == "expireAfter") {
+            YQL_ENSURE(field.Value().Maybe<TCoInterval>());
+            auto value = FromString<i64>(field.Value().Cast<TCoInterval>().Literal().Value());
+            if (value < 0) {
+                error = "Interval value cannot be negative";
+                return false;
+            }
+
+            settings.ExpireAfter = TDuration::FromValue(value);
+        } else {
+            error = TStringBuilder() << "Unknown field: " << name;
+            return false;
+        }
+    }
+
+    return true;
+}
+
 bool TTableSettings::IsSet() const {
     return CompactionPolicy || PartitionBy || AutoPartitioningBySize || UniformPartitions || PartitionAtKeys
         || PartitionSizeMb || AutoPartitioningByLoad || MinPartitions || MaxPartitions || KeyBloomFilter
-        || ReadReplicasSettings || TtlSettings; 
+        || ReadReplicasSettings || TtlSettings;
 }
 
 EYqlIssueCode YqlStatusFromYdbStatus(ui32 ydbStatus) {
diff --git a/ydb/core/kqp/provider/yql_kikimr_gateway.h b/ydb/core/kqp/provider/yql_kikimr_gateway.h
index 0dd4136079..7598494a2b 100644
--- a/ydb/core/kqp/provider/yql_kikimr_gateway.h
+++ b/ydb/core/kqp/provider/yql_kikimr_gateway.h
@@ -16,7 +16,7 @@
 
 #include <library/cpp/threading/future/future.h>
 
-#include <util/datetime/base.h> 
+#include <util/datetime/base.h>
 #include <util/generic/flags.h>
 #include <util/generic/map.h>
 #include <util/generic/maybe.h>
@@ -136,15 +136,15 @@ struct TIndexDescription {
             DataColumns == other.DataColumns &&
             Type == other.Type;
     }
- 
-    bool ItUsedForWrite() const { 
-        switch (Type) { 
-            case EType::GlobalSync: 
-                return true; 
-            case EType::GlobalAsync: 
-                return false; 
-        } 
-    } 
+
+    bool ItUsedForWrite() const {
+        switch (Type) {
+            case EType::GlobalSync:
+                return true;
+            case EType::GlobalAsync:
+                return false;
+        }
+    }
 };
 
 struct TColumnFamily {
@@ -153,13 +153,13 @@ struct TColumnFamily {
     TMaybe<TString> Compression;
 };
 
-struct TTtlSettings { 
-    TString ColumnName; 
-    TDuration ExpireAfter; 
- 
-    static bool TryParse(const NNodes::TCoNameValueTupleList& node, TTtlSettings& settings, TString& error); 
-}; 
- 
+struct TTtlSettings {
+    TString ColumnName;
+    TDuration ExpireAfter;
+
+    static bool TryParse(const NNodes::TCoNameValueTupleList& node, TTtlSettings& settings, TString& error);
+};
+
 struct TTableSettings {
     TMaybe<TString> CompactionPolicy;
     TVector<TString> PartitionBy;
@@ -172,7 +172,7 @@ struct TTableSettings {
     TVector<TVector<std::pair<EDataSlot, TString>>> PartitionAtKeys;
     TMaybe<TString> KeyBloomFilter;
     TMaybe<TString> ReadReplicasSettings;
-    TResetableSetting<TTtlSettings, void> TtlSettings; 
+    TResetableSetting<TTtlSettings, void> TtlSettings;
 
     bool IsSet() const;
 };
diff --git a/ydb/core/kqp/provider/yql_kikimr_gateway_ut.cpp b/ydb/core/kqp/provider/yql_kikimr_gateway_ut.cpp
index 5aa6083212..791a617c08 100644
--- a/ydb/core/kqp/provider/yql_kikimr_gateway_ut.cpp
+++ b/ydb/core/kqp/provider/yql_kikimr_gateway_ut.cpp
@@ -4,8 +4,8 @@
 #include <ydb/core/kqp/kqp_impl.h>
 #include <ydb/core/kqp/kqp_metadata_loader.h>
 
-#include <util/generic/maybe.h> 
- 
+#include <util/generic/maybe.h>
+
 namespace NYql {
 
 using namespace NKikimr;
@@ -218,7 +218,7 @@ void TestCreateTableCommon(TIntrusivePtr<IKikimrGateway> gateway, Tests::TClient
             TString("Column2Index"),
             TVector<TString>{"Column2"},
             dataColumns,
-            TIndexDescription::EType::GlobalSync, 
+            TIndexDescription::EType::GlobalSync,
             TIndexDescription::EIndexState::Ready,
             0,
             0,
@@ -244,7 +244,7 @@ void TestCreateTableCommon(TIntrusivePtr<IKikimrGateway> gateway, Tests::TClient
     responseFuture.Wait();
     auto response = responseFuture.GetValue();
     response.Issues().PrintTo(Cerr);
-    if ((!shouldCreate && !createFolders) || (shouldCreate && !*shouldCreate)) { 
+    if ((!shouldCreate && !createFolders) || (shouldCreate && !*shouldCreate)) {
         UNIT_ASSERT(!response.Success());
         UNIT_ASSERT(HasIssue(response.Issues(), TIssuesIds::KIKIMR_SCHEME_ERROR));
     } else {
diff --git a/ydb/core/kqp/provider/yql_kikimr_type_ann.cpp b/ydb/core/kqp/provider/yql_kikimr_type_ann.cpp
index 2ba3ed2058..692165204a 100644
--- a/ydb/core/kqp/provider/yql_kikimr_type_ann.cpp
+++ b/ydb/core/kqp/provider/yql_kikimr_type_ann.cpp
@@ -613,17 +613,17 @@ private:
         }
 
         for (const auto& index : create.Indexes()) {
-            const auto type = index.Type().Value(); 
-            TIndexDescription::EType indexType; 
- 
-            if (type == "syncGlobal") { 
-                indexType = TIndexDescription::EType::GlobalSync; 
-            } else if (type == "asyncGlobal") { 
-                indexType = TIndexDescription::EType::GlobalAsync; 
-            } else { 
-                YQL_ENSURE(false, "Unknown index type: " << type); 
-            } 
- 
+            const auto type = index.Type().Value();
+            TIndexDescription::EType indexType;
+
+            if (type == "syncGlobal") {
+                indexType = TIndexDescription::EType::GlobalSync;
+            } else if (type == "asyncGlobal") {
+                indexType = TIndexDescription::EType::GlobalAsync;
+            } else {
+                YQL_ENSURE(false, "Unknown index type: " << type);
+            }
+
             TVector<TString> indexColums;
             TVector<TString> dataColums;
 
@@ -793,22 +793,22 @@ private:
                 meta->TableSettings.ReadReplicasSettings = TString(
                     setting.Value().Cast<TCoDataCtor>().Literal().Cast<TCoAtom>().Value()
                 );
-            } else if (name == "setTtlSettings") { 
-                TTtlSettings ttlSettings; 
-                TString error; 
- 
-                YQL_ENSURE(setting.Value().Maybe<TCoNameValueTupleList>()); 
-                if (!TTtlSettings::TryParse(setting.Value().Cast<TCoNameValueTupleList>(), ttlSettings, error)) { 
-                    ctx.AddError(TIssue(ctx.GetPosition(setting.Name().Pos()), 
-                        TStringBuilder() << "Invalid TTL settings: " << error)); 
-                    return TStatus::Error; 
-                } 
- 
-                meta->TableSettings.TtlSettings.Set(ttlSettings); 
-            } else if (name == "resetTtlSettings") { 
-                ctx.AddError(TIssue(ctx.GetPosition(setting.Name().Pos()), 
-                    "Can't reset TTL settings")); 
-                return TStatus::Error; 
+            } else if (name == "setTtlSettings") {
+                TTtlSettings ttlSettings;
+                TString error;
+
+                YQL_ENSURE(setting.Value().Maybe<TCoNameValueTupleList>());
+                if (!TTtlSettings::TryParse(setting.Value().Cast<TCoNameValueTupleList>(), ttlSettings, error)) {
+                    ctx.AddError(TIssue(ctx.GetPosition(setting.Name().Pos()),
+                        TStringBuilder() << "Invalid TTL settings: " << error));
+                    return TStatus::Error;
+                }
+
+                meta->TableSettings.TtlSettings.Set(ttlSettings);
+            } else if (name == "resetTtlSettings") {
+                ctx.AddError(TIssue(ctx.GetPosition(setting.Name().Pos()),
+                    "Can't reset TTL settings"));
+                return TStatus::Error;
             } else {
                 ctx.AddError(TIssue(ctx.GetPosition(setting.Name().Pos()),
                     TStringBuilder() << "Unknown table profile setting: " << name));
diff --git a/ydb/core/kqp/proxy/kqp_proxy_service.cpp b/ydb/core/kqp/proxy/kqp_proxy_service.cpp
index 4305ac6c6c..decd2cb301 100644
--- a/ydb/core/kqp/proxy/kqp_proxy_service.cpp
+++ b/ydb/core/kqp/proxy/kqp_proxy_service.cpp
@@ -68,7 +68,7 @@ std::optional<ui32> TryDecodeYdbSessionId(const TString& sessionId) {
     }
 
     try {
-        NOperationId::TOperationId opId(sessionId); 
+        NOperationId::TOperationId opId(sessionId);
         ui32 nodeId;
         const auto& nodeIds = opId.GetValue("node_id");
         if (nodeIds.size() != 1) {
@@ -105,10 +105,10 @@ bool IsSqlQuery(const NKikimrKqp::EQueryType& queryType) {
 
 TString EncodeSessionId(ui32 nodeId, const TString& id) {
     Ydb::TOperationId opId;
-    opId.SetKind(NOperationId::TOperationId::SESSION_YQL); 
-    NOperationId::AddOptionalValue(opId, "node_id", ToString(nodeId)); 
-    NOperationId::AddOptionalValue(opId, "id", Base64Encode(id)); 
-    return NOperationId::ProtoToString(opId); 
+    opId.SetKind(NOperationId::TOperationId::SESSION_YQL);
+    NOperationId::AddOptionalValue(opId, "node_id", ToString(nodeId));
+    NOperationId::AddOptionalValue(opId, "id", Base64Encode(id));
+    return NOperationId::ProtoToString(opId);
 }
 
 
@@ -1114,8 +1114,8 @@ private:
                 return false;
             }
 
-            /* 
-             * TODO: disabled due to SLYDB-42. Remove (or rework) it after KIKIMR-9650 & KIKIMR-9652 
+            /*
+             * TODO: disabled due to SLYDB-42. Remove (or rework) it after KIKIMR-9650 & KIKIMR-9652
             if (!Tenants.contains(database)) {
                 TString error = TStringBuilder() << "Unexpected node for database: " << database;
 
@@ -1126,7 +1126,7 @@ private:
                 result.Error = error;
                 return false;
             }
-            */ 
+            */
         }
 
         if (ShutdownRequested) {
diff --git a/ydb/core/kqp/runtime/kqp_transport.cpp b/ydb/core/kqp/runtime/kqp_transport.cpp
index 4459c321fd..8c1b3262d0 100644
--- a/ydb/core/kqp/runtime/kqp_transport.cpp
+++ b/ydb/core/kqp/runtime/kqp_transport.cpp
@@ -266,13 +266,13 @@ Ydb::ResultSet TKqpProtoBuilder::BuildYdbResultSet(const TVector<NDqProto::TData
         for (auto& member : dstRowType->GetStruct().GetMember()) {
             auto* column = resultSet.add_columns();
             column->set_name(member.GetName());
-            ConvertMiniKQLTypeToYdbType(member.GetType(), *column->mutable_type()); 
+            ConvertMiniKQLTypeToYdbType(member.GetType(), *column->mutable_type());
         }
     } else {
         for (auto& member : srcRowType.GetStruct().GetMember()) {
             auto* column = resultSet.add_columns();
             column->set_name(member.GetName());
-            ConvertMiniKQLTypeToYdbType(member.GetType(), *column->mutable_type()); 
+            ConvertMiniKQLTypeToYdbType(member.GetType(), *column->mutable_type());
         }
     }
 
diff --git a/ydb/core/kqp/ut/common/kqp_ut_common.cpp b/ydb/core/kqp/ut/common/kqp_ut_common.cpp
index f646001c44..9bc7889f92 100644
--- a/ydb/core/kqp/ut/common/kqp_ut_common.cpp
+++ b/ydb/core/kqp/ut/common/kqp_ut_common.cpp
@@ -101,7 +101,7 @@ TKikimrRunner::TKikimrRunner(const TKikimrSettings& settings) {
     ServerSettings->SetDomainName(settings.DomainRoot);
     ServerSettings->SetKqpSettings(effectiveKqpSettings);
     ServerSettings->SetAppConfig(settings.AppConfig);
-    ServerSettings->SetFeatureFlags(settings.FeatureFlags); 
+    ServerSettings->SetFeatureFlags(settings.FeatureFlags);
     ServerSettings->SetNodeCount(settings.NodeCount);
     ServerSettings->SetEnableKqpSpilling(enableSpilling);
     ServerSettings->SetEnableDataColumnForIndexTable(true);
diff --git a/ydb/core/kqp/ut/common/kqp_ut_common.h b/ydb/core/kqp/ut/common/kqp_ut_common.h
index e3a2f73449..c1d64b65c3 100644
--- a/ydb/core/kqp/ut/common/kqp_ut_common.h
+++ b/ydb/core/kqp/ut/common/kqp_ut_common.h
@@ -72,7 +72,7 @@ const TString KikimrDefaultUtDomainRoot = "Root";
 
 TVector<NKikimrKqp::TKqpSetting> SyntaxV1Settings();
 
-struct TKikimrSettings: public TTestFeatureFlagsHolder<TKikimrSettings> { 
+struct TKikimrSettings: public TTestFeatureFlagsHolder<TKikimrSettings> {
     NKikimrConfig::TAppConfig AppConfig;
     TVector<NKikimrKqp::TKqpSetting> KqpSettings;
     TString AuthToken;
@@ -133,7 +133,7 @@ public:
     }
 
     bool IsUsingSnapshotReads() const {
-        return Server->GetRuntime()->GetAppData().FeatureFlags.GetEnableMvccSnapshotReads(); 
+        return Server->GetRuntime()->GetAppData().FeatureFlags.GetEnableMvccSnapshotReads();
     }
 
 private:
@@ -160,33 +160,33 @@ struct TCollectedStreamResult {
 TCollectedStreamResult CollectStreamResult(NYdb::NExperimental::TStreamPartIterator& it);
 TCollectedStreamResult CollectStreamResult(NYdb::NTable::TScanQueryPartIterator& it);
 
-enum class EIndexTypeSql { 
-    Global, 
-    GlobalSync, 
-    GlobalAsync, 
-}; 
- 
-inline constexpr TStringBuf IndexTypeSqlString(EIndexTypeSql type) { 
-    switch (type) { 
-    case EIndexTypeSql::Global: 
-        return "GLOBAL"; 
-    case EIndexTypeSql::GlobalSync: 
-        return "GLOBAL SYNC"; 
-    case EIndexTypeSql::GlobalAsync: 
-        return "GLOBAL ASYNC"; 
-    } 
-} 
- 
-inline NYdb::NTable::EIndexType IndexTypeSqlToIndexType(EIndexTypeSql type) { 
-    switch (type) { 
-    case EIndexTypeSql::Global: 
-    case EIndexTypeSql::GlobalSync: 
-        return NYdb::NTable::EIndexType::GlobalSync; 
-    case EIndexTypeSql::GlobalAsync: 
-        return NYdb::NTable::EIndexType::GlobalAsync; 
-    } 
-} 
- 
+enum class EIndexTypeSql {
+    Global,
+    GlobalSync,
+    GlobalAsync,
+};
+
+inline constexpr TStringBuf IndexTypeSqlString(EIndexTypeSql type) {
+    switch (type) {
+    case EIndexTypeSql::Global:
+        return "GLOBAL";
+    case EIndexTypeSql::GlobalSync:
+        return "GLOBAL SYNC";
+    case EIndexTypeSql::GlobalAsync:
+        return "GLOBAL ASYNC";
+    }
+}
+
+inline NYdb::NTable::EIndexType IndexTypeSqlToIndexType(EIndexTypeSql type) {
+    switch (type) {
+    case EIndexTypeSql::Global:
+    case EIndexTypeSql::GlobalSync:
+        return NYdb::NTable::EIndexType::GlobalSync;
+    case EIndexTypeSql::GlobalAsync:
+        return NYdb::NTable::EIndexType::GlobalAsync;
+    }
+}
+
 TString ReformatYson(const TString& yson);
 void CompareYson(const TString& expected, const TString& actual);
 void CompareYson(const TString& expected, const NKikimrMiniKQL::TResult& actual);
diff --git a/ydb/core/kqp/ut/kqp_acl_ut.cpp b/ydb/core/kqp/ut/kqp_acl_ut.cpp
index dd0db8d792..203c8ba618 100644
--- a/ydb/core/kqp/ut/kqp_acl_ut.cpp
+++ b/ydb/core/kqp/ut/kqp_acl_ut.cpp
@@ -121,43 +121,43 @@ Y_UNIT_TEST_SUITE(KqpNewEngineAcl) {
         AssertSuccessResult(result);
         driver.Stop(true);
     }
- 
-    Y_UNIT_TEST(RecursiveCreateTableShouldSuccess) { 
-        TKikimrRunner kikimr; 
-        { 
-            auto schemeClient = kikimr.GetSchemeClient(); 
- 
-            AssertSuccessResult(schemeClient.MakeDirectory("/Root/PQ").ExtractValueSync()); 
- 
-            NYdb::NScheme::TPermissions permissions("user0@builtin", {"ydb.deprecated.create_table"}); 
-            AssertSuccessResult(schemeClient.ModifyPermissions("/Root/PQ", 
-                    NYdb::NScheme::TModifyPermissionsSettings().AddGrantPermissions(permissions) 
-                ).ExtractValueSync() 
-            ); 
-        } 
- 
-        auto driverConfig = TDriverConfig() 
-            .SetEndpoint(kikimr.GetEndpoint()) 
-            .SetAuthToken("user0@builtin"); 
-        auto driver = TDriver(driverConfig); 
+
+    Y_UNIT_TEST(RecursiveCreateTableShouldSuccess) {
+        TKikimrRunner kikimr;
+        {
+            auto schemeClient = kikimr.GetSchemeClient();
+
+            AssertSuccessResult(schemeClient.MakeDirectory("/Root/PQ").ExtractValueSync());
+
+            NYdb::NScheme::TPermissions permissions("user0@builtin", {"ydb.deprecated.create_table"});
+            AssertSuccessResult(schemeClient.ModifyPermissions("/Root/PQ",
+                    NYdb::NScheme::TModifyPermissionsSettings().AddGrantPermissions(permissions)
+                ).ExtractValueSync()
+            );
+        }
+
+        auto driverConfig = TDriverConfig()
+            .SetEndpoint(kikimr.GetEndpoint())
+            .SetAuthToken("user0@builtin");
+        auto driver = TDriver(driverConfig);
         auto db = NYdb::NTable::TTableClient(driver);
- 
-        auto session = db.CreateSession().GetValueSync().GetSession(); 
- 
-        const char* queryTmpl = R"( 
+
+        auto session = db.CreateSession().GetValueSync().GetSession();
+
+        const char* queryTmpl = R"(
             PRAGMA kikimr.UseNewEngine = "true";
             CREATE TABLE `/Root/PQ/%s` (
-                id Int64, 
-                name String, 
-                primary key (id) 
-            ); 
-        )"; 
- 
-        AssertSuccessResult(session.ExecuteSchemeQuery(Sprintf(queryTmpl, "table")).ExtractValueSync()); 
-        AssertSuccessResult(session.ExecuteSchemeQuery(Sprintf(queryTmpl, "a/b/c/table")).ExtractValueSync()); 
- 
-        driver.Stop(true); 
-    } 
+                id Int64,
+                name String,
+                primary key (id)
+            );
+        )";
+
+        AssertSuccessResult(session.ExecuteSchemeQuery(Sprintf(queryTmpl, "table")).ExtractValueSync());
+        AssertSuccessResult(session.ExecuteSchemeQuery(Sprintf(queryTmpl, "a/b/c/table")).ExtractValueSync());
+
+        driver.Stop(true);
+    }
 }
 
 } // namespace NKqp
diff --git a/ydb/core/kqp/ut/kqp_indexes_ut.cpp b/ydb/core/kqp/ut/kqp_indexes_ut.cpp
index cacd84aa25..505cf09e6b 100644
--- a/ydb/core/kqp/ut/kqp_indexes_ut.cpp
+++ b/ydb/core/kqp/ut/kqp_indexes_ut.cpp
@@ -13,8 +13,8 @@
 
 #include <library/cpp/json/json_reader.h>
 
-#include <util/string/printf.h> 
- 
+#include <util/string/printf.h>
+
 namespace NKikimr {
 namespace NKqp {
 
@@ -83,7 +83,7 @@ void CreateTableWithIndexWithState(
             indexName,
             {"value"},
             TVector<TString>(),
-            NYql::TIndexDescription::EType::GlobalSync, 
+            NYql::TIndexDescription::EType::GlobalSync,
             state,
             0,
             0,
@@ -109,8 +109,8 @@ Y_UNIT_TEST_SUITE(KqpIndexMetadata) {
         auto setting = NKikimrKqp::TKqpSetting();
 
         auto serverSettings = TKikimrSettings()
-            .SetEnableMvcc(WithMvcc) 
-            .SetEnableMvccSnapshotReads(WithMvcc) 
+            .SetEnableMvcc(WithMvcc)
+            .SetEnableMvccSnapshotReads(WithMvcc)
             .SetKqpSettings({setting});
         TKikimrRunner kikimr(serverSettings);
 
@@ -176,8 +176,8 @@ Y_UNIT_TEST_SUITE(KqpIndexMetadata) {
 
         auto setting = NKikimrKqp::TKqpSetting();
         auto serverSettings = TKikimrSettings()
-            .SetEnableMvcc(WithMvcc) 
-            .SetEnableMvccSnapshotReads(WithMvcc) 
+            .SetEnableMvcc(WithMvcc)
+            .SetEnableMvccSnapshotReads(WithMvcc)
             .SetKqpSettings({setting});
         TKikimrRunner kikimr(serverSettings);
 
@@ -439,8 +439,8 @@ Y_UNIT_TEST_SUITE(KqpIndexes) {
     Y_UNIT_TEST_QUAD(DataColumnWriteNull, WithMvcc, UseNewEngine) {
         auto setting = NKikimrKqp::TKqpSetting();
         auto serverSettings = TKikimrSettings()
-            .SetEnableMvcc(WithMvcc) 
-            .SetEnableMvccSnapshotReads(WithMvcc) 
+            .SetEnableMvcc(WithMvcc)
+            .SetEnableMvccSnapshotReads(WithMvcc)
             .SetKqpSettings({setting});
         TKikimrRunner kikimr(serverSettings);
         auto db = kikimr.GetTableClient();
@@ -519,8 +519,8 @@ Y_UNIT_TEST_SUITE(KqpIndexes) {
     Y_UNIT_TEST_QUAD(DataColumnWrite, WithMvcc, UseNewEngine) {
         auto setting = NKikimrKqp::TKqpSetting();
         auto serverSettings = TKikimrSettings()
-            .SetEnableMvcc(WithMvcc) 
-            .SetEnableMvccSnapshotReads(WithMvcc) 
+            .SetEnableMvcc(WithMvcc)
+            .SetEnableMvccSnapshotReads(WithMvcc)
             .SetKqpSettings({setting});
         TKikimrRunner kikimr(serverSettings);
         auto db = kikimr.GetTableClient();
@@ -910,8 +910,8 @@ Y_UNIT_TEST_SUITE(KqpIndexes) {
     Y_UNIT_TEST_QUAD(DataColumnSelect, WithMvcc, UseNewEngine) {
         auto setting = NKikimrKqp::TKqpSetting();
         auto serverSettings = TKikimrSettings()
-            .SetEnableMvcc(WithMvcc) 
-            .SetEnableMvccSnapshotReads(WithMvcc) 
+            .SetEnableMvcc(WithMvcc)
+            .SetEnableMvccSnapshotReads(WithMvcc)
             .SetKqpSettings({setting});
         TKikimrRunner kikimr(serverSettings);
         auto db = kikimr.GetTableClient();
@@ -1094,8 +1094,8 @@ Y_UNIT_TEST_SUITE(KqpIndexes) {
     Y_UNIT_TEST_QUAD(SelectConcurentTX, WithMvcc, UseNewEngine) {
         auto setting = NKikimrKqp::TKqpSetting();
         auto serverSettings = TKikimrSettings()
-            .SetEnableMvcc(WithMvcc) 
-            .SetEnableMvccSnapshotReads(WithMvcc) 
+            .SetEnableMvcc(WithMvcc)
+            .SetEnableMvccSnapshotReads(WithMvcc)
             .SetKqpSettings({setting});
         TKikimrRunner kikimr(serverSettings);
         auto db = kikimr.GetTableClient();
@@ -1175,8 +1175,8 @@ Y_UNIT_TEST_SUITE(KqpIndexes) {
     Y_UNIT_TEST_QUAD(SelectConcurentTX2, WithMvcc, UseNewEngine) {
         auto setting = NKikimrKqp::TKqpSetting();
         auto serverSettings = TKikimrSettings()
-            .SetEnableMvcc(WithMvcc) 
-            .SetEnableMvccSnapshotReads(WithMvcc) 
+            .SetEnableMvcc(WithMvcc)
+            .SetEnableMvccSnapshotReads(WithMvcc)
             .SetKqpSettings({setting});
         TKikimrRunner kikimr(serverSettings);
         auto db = kikimr.GetTableClient();
@@ -1256,8 +1256,8 @@ Y_UNIT_TEST_SUITE(KqpIndexes) {
     Y_UNIT_TEST_QUAD(UpsertWithoutExtraNullDelete, WithMvcc, UseNewEngine) {
         auto setting = NKikimrKqp::TKqpSetting();
         auto serverSettings = TKikimrSettings()
-            .SetEnableMvcc(WithMvcc) 
-            .SetEnableMvccSnapshotReads(WithMvcc) 
+            .SetEnableMvcc(WithMvcc)
+            .SetEnableMvccSnapshotReads(WithMvcc)
             .SetKqpSettings({setting});
         TKikimrRunner kikimr(serverSettings);
         auto db = kikimr.GetTableClient();
@@ -1487,8 +1487,8 @@ Y_UNIT_TEST_SUITE(KqpIndexes) {
     Y_UNIT_TEST_TWIN(KeyIndex, WithMvcc) {
         auto setting = NKikimrKqp::TKqpSetting();
         auto serverSettings = TKikimrSettings()
-            .SetEnableMvcc(WithMvcc) 
-            .SetEnableMvccSnapshotReads(WithMvcc) 
+            .SetEnableMvcc(WithMvcc)
+            .SetEnableMvccSnapshotReads(WithMvcc)
             .SetKqpSettings({setting});
         TKikimrRunner kikimr(serverSettings);
         auto db = kikimr.GetTableClient();
@@ -1670,8 +1670,8 @@ Y_UNIT_TEST_SUITE(KqpIndexes) {
     Y_UNIT_TEST_TWIN(KeyIndex2, WithMvcc) {
         auto setting = NKikimrKqp::TKqpSetting();
         auto serverSettings = TKikimrSettings()
-            .SetEnableMvcc(WithMvcc) 
-            .SetEnableMvccSnapshotReads(WithMvcc) 
+            .SetEnableMvcc(WithMvcc)
+            .SetEnableMvccSnapshotReads(WithMvcc)
             .SetKqpSettings({setting});
         TKikimrRunner kikimr(serverSettings);
         auto db = kikimr.GetTableClient();
@@ -1807,8 +1807,8 @@ Y_UNIT_TEST_SUITE(KqpIndexes) {
     Y_UNIT_TEST_TWIN(ReplaceWithoutExtraNullDelete, WithMvcc) {
         auto setting = NKikimrKqp::TKqpSetting();
         auto serverSettings = TKikimrSettings()
-            .SetEnableMvcc(WithMvcc) 
-            .SetEnableMvccSnapshotReads(WithMvcc) 
+            .SetEnableMvcc(WithMvcc)
+            .SetEnableMvccSnapshotReads(WithMvcc)
             .SetKqpSettings({setting});
         TKikimrRunner kikimr(serverSettings);
         auto db = kikimr.GetTableClient();
@@ -1855,7 +1855,7 @@ Y_UNIT_TEST_SUITE(KqpIndexes) {
             UNIT_ASSERT_VALUES_EQUAL(stats.query_phases(2).table_access(0).updates().rows(), 1);
 
             UNIT_ASSERT_VALUES_EQUAL(stats.query_phases(2).table_access(1).name(), "/Root/TestTable/Index/indexImplTable");
-            UNIT_ASSERT_VALUES_EQUAL(stats.query_phases(2).table_access(1).updates().rows(), 1); 
+            UNIT_ASSERT_VALUES_EQUAL(stats.query_phases(2).table_access(1).updates().rows(), 1);
             UNIT_ASSERT(!stats.query_phases(2).table_access(1).has_deletes());
         }
 
@@ -1888,7 +1888,7 @@ Y_UNIT_TEST_SUITE(KqpIndexes) {
             UNIT_ASSERT_VALUES_EQUAL(stats.query_phases(2).table_access(0).updates().rows(), 1);
 
             UNIT_ASSERT_VALUES_EQUAL(stats.query_phases(2).table_access(1).name(), "/Root/TestTable/Index/indexImplTable");
-            UNIT_ASSERT_VALUES_EQUAL(stats.query_phases(2).table_access(1).updates().rows(), 1); 
+            UNIT_ASSERT_VALUES_EQUAL(stats.query_phases(2).table_access(1).updates().rows(), 1);
             UNIT_ASSERT(stats.query_phases(2).table_access(1).has_deletes());
             UNIT_ASSERT_VALUES_EQUAL(stats.query_phases(2).table_access(1).deletes().rows(), 1);
         }
@@ -1898,15 +1898,15 @@ Y_UNIT_TEST_SUITE(KqpIndexes) {
     Y_UNIT_TEST_QUAD(SecondaryIndexUpsert1DeleteUpdate, WithMvcc, UseNewEngine) {
         auto setting = NKikimrKqp::TKqpSetting();
         auto serverSettings = TKikimrSettings()
-            .SetEnableMvcc(WithMvcc) 
-            .SetEnableMvccSnapshotReads(WithMvcc) 
+            .SetEnableMvcc(WithMvcc)
+            .SetEnableMvccSnapshotReads(WithMvcc)
             .SetKqpSettings({setting});
         TKikimrRunner kikimr(serverSettings);
         auto db = kikimr.GetTableClient();
         auto session = db.CreateSession().GetValueSync().GetSession();
 
-        const auto& config = kikimr.GetTestServer().GetSettings().AppConfig; 
-        auto& tableSettings = config.GetTableServiceConfig(); 
+        const auto& config = kikimr.GetTestServer().GetSettings().AppConfig;
+        auto& tableSettings = config.GetTableServiceConfig();
         bool useSchemeCacheMeta = tableSettings.GetUseSchemeCacheMetadata();
 
         {
@@ -1956,7 +1956,7 @@ Y_UNIT_TEST_SUITE(KqpIndexes) {
 
         {
             auto result = session.DescribeTable("/Root/TestTable/Index/indexImplTable").ExtractValueSync();
-            UNIT_ASSERT_VALUES_EQUAL(result.GetStatus(), NYdb::EStatus::SCHEME_ERROR); 
+            UNIT_ASSERT_VALUES_EQUAL(result.GetStatus(), NYdb::EStatus::SCHEME_ERROR);
         }
 
         {
@@ -2086,8 +2086,8 @@ Y_UNIT_TEST_SUITE(KqpIndexes) {
     Y_UNIT_TEST_QUAD(SecondaryIndexUpsert2Update, WithMvcc, UseNewEngine) {
         auto setting = NKikimrKqp::TKqpSetting();
         auto serverSettings = TKikimrSettings()
-            .SetEnableMvcc(WithMvcc) 
-            .SetEnableMvccSnapshotReads(WithMvcc) 
+            .SetEnableMvcc(WithMvcc)
+            .SetEnableMvccSnapshotReads(WithMvcc)
             .SetKqpSettings({setting});
         TKikimrRunner kikimr(serverSettings);
         auto db = kikimr.GetTableClient();
@@ -2177,8 +2177,8 @@ Y_UNIT_TEST_SUITE(KqpIndexes) {
     Y_UNIT_TEST_QUAD(SecondaryIndexUpdateOnUsingIndex, WithMvcc, UseNewEngine) {
         auto setting = NKikimrKqp::TKqpSetting();
         auto serverSettings = TKikimrSettings()
-            .SetEnableMvcc(WithMvcc) 
-            .SetEnableMvccSnapshotReads(WithMvcc) 
+            .SetEnableMvcc(WithMvcc)
+            .SetEnableMvccSnapshotReads(WithMvcc)
             .SetKqpSettings({setting});
         TKikimrRunner kikimr(serverSettings);
         auto db = kikimr.GetTableClient();
@@ -2244,8 +2244,8 @@ Y_UNIT_TEST_SUITE(KqpIndexes) {
     Y_UNIT_TEST_QUAD(SecondaryIndexSelect, WithMvcc, UseNewEngine) {
         auto setting = NKikimrKqp::TKqpSetting();
         auto serverSettings = TKikimrSettings()
-            .SetEnableMvcc(WithMvcc) 
-            .SetEnableMvccSnapshotReads(WithMvcc) 
+            .SetEnableMvcc(WithMvcc)
+            .SetEnableMvccSnapshotReads(WithMvcc)
             .SetKqpSettings({setting});
         TKikimrRunner kikimr(serverSettings);
         auto db = kikimr.GetTableClient();
@@ -2446,8 +2446,8 @@ Y_UNIT_TEST_SUITE(KqpIndexes) {
     Y_UNIT_TEST_QUAD(SecondaryIndexOrderBy, WithMvcc, UseNewEngine) {
         auto setting = NKikimrKqp::TKqpSetting();
         auto serverSettings = TKikimrSettings()
-            .SetEnableMvcc(WithMvcc) 
-            .SetEnableMvccSnapshotReads(WithMvcc) 
+            .SetEnableMvcc(WithMvcc)
+            .SetEnableMvccSnapshotReads(WithMvcc)
             .SetKqpSettings({setting});
         TKikimrRunner kikimr(serverSettings);
         auto db = kikimr.GetTableClient();
@@ -2816,8 +2816,8 @@ Y_UNIT_TEST_SUITE(KqpIndexes) {
     Y_UNIT_TEST_QUAD(SecondaryIndexOrderBy2, WithMvcc, UseNewEngine) {
         auto setting = NKikimrKqp::TKqpSetting();
         auto serverSettings = TKikimrSettings()
-            .SetEnableMvcc(WithMvcc) 
-            .SetEnableMvccSnapshotReads(WithMvcc) 
+            .SetEnableMvcc(WithMvcc)
+            .SetEnableMvccSnapshotReads(WithMvcc)
             .SetKqpSettings({setting});
         TKikimrRunner kikimr(serverSettings);
         auto db = kikimr.GetTableClient();
@@ -3009,8 +3009,8 @@ Y_UNIT_TEST_SUITE(KqpIndexes) {
     Y_UNIT_TEST_QUAD(SecondaryIndexReplace, WithMvcc, UseNewEngine) {
         auto setting = NKikimrKqp::TKqpSetting();
         auto serverSettings = TKikimrSettings()
-            .SetEnableMvcc(WithMvcc) 
-            .SetEnableMvccSnapshotReads(WithMvcc) 
+            .SetEnableMvcc(WithMvcc)
+            .SetEnableMvccSnapshotReads(WithMvcc)
             .SetKqpSettings({setting});
         TKikimrRunner kikimr(serverSettings);
         auto db = kikimr.GetTableClient();
@@ -3088,8 +3088,8 @@ R"([[#;#;["Primary1"];[41u]];[["Secondary2"];[2u];["Primary2"];[42u]];[["Seconda
     Y_UNIT_TEST_QUAD(SecondaryIndexInsert1, WithMvcc, UseNewEngine) {
         auto setting = NKikimrKqp::TKqpSetting();
         auto serverSettings = TKikimrSettings()
-            .SetEnableMvcc(WithMvcc) 
-            .SetEnableMvccSnapshotReads(WithMvcc) 
+            .SetEnableMvcc(WithMvcc)
+            .SetEnableMvccSnapshotReads(WithMvcc)
             .SetKqpSettings({setting});
         TKikimrRunner kikimr(serverSettings);
         auto db = kikimr.GetTableClient();
@@ -3134,8 +3134,8 @@ R"([[#;#;["Primary1"];[41u]];[["Secondary2"];[2u];["Primary2"];[42u]];[["Seconda
     Y_UNIT_TEST_QUAD(MultipleSecondaryIndex, WithMvcc, UseNewEngine) {
         auto setting = NKikimrKqp::TKqpSetting();
         auto serverSettings = TKikimrSettings()
-            .SetEnableMvcc(WithMvcc) 
-            .SetEnableMvccSnapshotReads(WithMvcc) 
+            .SetEnableMvcc(WithMvcc)
+            .SetEnableMvccSnapshotReads(WithMvcc)
             .SetKqpSettings({setting});
         TKikimrRunner kikimr(serverSettings);
         auto db = kikimr.GetTableClient();
@@ -3199,8 +3199,8 @@ R"([[#;#;["Primary1"];[41u]];[["Secondary2"];[2u];["Primary2"];[42u]];[["Seconda
     Y_UNIT_TEST_QUAD(MultipleSecondaryIndexWithSameComulns, WithMvcc, UseNewEngine) {
         auto setting = NKikimrKqp::TKqpSetting();
         auto serverSettings = TKikimrSettings()
-            .SetEnableMvcc(WithMvcc) 
-            .SetEnableMvccSnapshotReads(WithMvcc) 
+            .SetEnableMvcc(WithMvcc)
+            .SetEnableMvccSnapshotReads(WithMvcc)
             .SetKqpSettings({setting});
         TKikimrRunner kikimr(serverSettings);
         auto db = kikimr.GetTableClient();
@@ -3537,8 +3537,8 @@ R"([[#;#;["Primary1"];[41u]];[["Secondary2"];[2u];["Primary2"];[42u]];[["Seconda
     Y_UNIT_TEST_QUAD(SecondaryIndexWithPrimaryKeySameComulns, WithMvcc, UseNewEngine) {
         auto setting = NKikimrKqp::TKqpSetting();
         auto serverSettings = TKikimrSettings()
-            .SetEnableMvcc(WithMvcc) 
-            .SetEnableMvccSnapshotReads(WithMvcc) 
+            .SetEnableMvcc(WithMvcc)
+            .SetEnableMvccSnapshotReads(WithMvcc)
             .SetKqpSettings({setting});
         TKikimrRunner kikimr(serverSettings);
         auto db = kikimr.GetTableClient();
@@ -3811,8 +3811,8 @@ R"([[#;#;["Primary1"];[41u]];[["Secondary2"];[2u];["Primary2"];[42u]];[["Seconda
     Y_UNIT_TEST_TWIN(DeleteOnWithSubquery, WithMvcc) {
         auto setting = NKikimrKqp::TKqpSetting();
         auto serverSettings = TKikimrSettings()
-            .SetEnableMvcc(WithMvcc) 
-            .SetEnableMvccSnapshotReads(WithMvcc) 
+            .SetEnableMvcc(WithMvcc)
+            .SetEnableMvccSnapshotReads(WithMvcc)
             .SetKqpSettings({setting});
         TKikimrRunner kikimr(serverSettings);
         auto db = kikimr.GetTableClient();
@@ -3867,8 +3867,8 @@ R"([[#;#;["Primary1"];[41u]];[["Secondary2"];[2u];["Primary2"];[42u]];[["Seconda
     Y_UNIT_TEST_QUAD(SecondaryIndexUsingInJoin, WithMvcc, UseNewEngine) {
         auto setting = NKikimrKqp::TKqpSetting();
         auto serverSettings = TKikimrSettings()
-            .SetEnableMvcc(WithMvcc) 
-            .SetEnableMvccSnapshotReads(WithMvcc) 
+            .SetEnableMvcc(WithMvcc)
+            .SetEnableMvccSnapshotReads(WithMvcc)
             .SetKqpSettings({setting});
         TKikimrRunner kikimr(serverSettings);
         auto db = kikimr.GetTableClient();
@@ -4057,8 +4057,8 @@ R"([[#;#;["Primary1"];[41u]];[["Secondary2"];[2u];["Primary2"];[42u]];[["Seconda
     Y_UNIT_TEST_QUAD(SecondaryIndexUsingInJoin2, WithMvcc, UseNewEngine) {
         auto setting = NKikimrKqp::TKqpSetting();
         auto serverSettings = TKikimrSettings()
-            .SetEnableMvcc(WithMvcc) 
-            .SetEnableMvccSnapshotReads(WithMvcc) 
+            .SetEnableMvcc(WithMvcc)
+            .SetEnableMvccSnapshotReads(WithMvcc)
             .SetKqpSettings({setting});
         TKikimrRunner kikimr(serverSettings);
         auto db = kikimr.GetTableClient();
@@ -4194,8 +4194,8 @@ R"([[#;#;["Primary1"];[41u]];[["Secondary2"];[2u];["Primary2"];[42u]];[["Seconda
     Y_UNIT_TEST_QUAD(ForbidViewModification, WithMvcc, UseNewEngine) {
         auto setting = NKikimrKqp::TKqpSetting();
         auto serverSettings = TKikimrSettings()
-            .SetEnableMvcc(WithMvcc) 
-            .SetEnableMvccSnapshotReads(WithMvcc) 
+            .SetEnableMvcc(WithMvcc)
+            .SetEnableMvccSnapshotReads(WithMvcc)
             .SetKqpSettings({setting});
         TKikimrRunner kikimr(serverSettings);
         auto db = kikimr.GetTableClient();
@@ -4282,8 +4282,8 @@ R"([[#;#;["Primary1"];[41u]];[["Secondary2"];[2u];["Primary2"];[42u]];[["Seconda
     Y_UNIT_TEST_TWIN(ForbidDirectIndexTableCreation, WithMvcc) {
         auto setting = NKikimrKqp::TKqpSetting();
         auto serverSettings = TKikimrSettings()
-            .SetEnableMvcc(WithMvcc) 
-            .SetEnableMvccSnapshotReads(WithMvcc) 
+            .SetEnableMvcc(WithMvcc)
+            .SetEnableMvccSnapshotReads(WithMvcc)
             .SetKqpSettings({setting});
         TKikimrRunner kikimr(serverSettings);
         auto db = kikimr.GetTableClient();
@@ -4326,15 +4326,15 @@ R"([[#;#;["Primary1"];[41u]];[["Secondary2"];[2u];["Primary2"];[42u]];[["Seconda
             tableBuilder.SetPrimaryKeyColumns(TVector<TString>{"Value"});
             auto result = session.CreateTable("/Root/TestTable/Index/indexImplTable", tableBuilder.Build()).ExtractValueSync();
             UNIT_ASSERT_VALUES_EQUAL(result.IsTransportError(), false);
-            UNIT_ASSERT_VALUES_EQUAL(result.GetStatus(), EStatus::GENERIC_ERROR); 
+            UNIT_ASSERT_VALUES_EQUAL(result.GetStatus(), EStatus::GENERIC_ERROR);
         }
     }
 
     Y_UNIT_TEST_QUAD(DuplicateUpsert, WithMvcc, UseNewEngine) {
         auto setting = NKikimrKqp::TKqpSetting();
         auto serverSettings = TKikimrSettings()
-            .SetEnableMvcc(WithMvcc) 
-            .SetEnableMvccSnapshotReads(WithMvcc) 
+            .SetEnableMvcc(WithMvcc)
+            .SetEnableMvccSnapshotReads(WithMvcc)
             .SetKqpSettings({setting});
         TKikimrRunner kikimr(serverSettings);
         auto db = kikimr.GetTableClient();
@@ -4370,8 +4370,8 @@ R"([[#;#;["Primary1"];[41u]];[["Secondary2"];[2u];["Primary2"];[42u]];[["Seconda
     Y_UNIT_TEST_QUAD(DuplicateUpsertInterleave, WithMvcc, UseNewEngine) {
         auto setting = NKikimrKqp::TKqpSetting();
         auto serverSettings = TKikimrSettings()
-            .SetEnableMvcc(WithMvcc) 
-            .SetEnableMvccSnapshotReads(WithMvcc) 
+            .SetEnableMvcc(WithMvcc)
+            .SetEnableMvccSnapshotReads(WithMvcc)
             .SetKqpSettings({setting});
         TKikimrRunner kikimr(serverSettings);
         auto db = kikimr.GetTableClient();
@@ -4408,8 +4408,8 @@ R"([[#;#;["Primary1"];[41u]];[["Secondary2"];[2u];["Primary2"];[42u]];[["Seconda
     Y_UNIT_TEST_QUAD(DuplicateUpsertInterleaveParams, WithMvcc, UseNewEngine) {
         auto setting = NKikimrKqp::TKqpSetting();
         auto serverSettings = TKikimrSettings()
-            .SetEnableMvcc(WithMvcc) 
-            .SetEnableMvccSnapshotReads(WithMvcc) 
+            .SetEnableMvcc(WithMvcc)
+            .SetEnableMvccSnapshotReads(WithMvcc)
             .SetKqpSettings({setting});
         TKikimrRunner kikimr(serverSettings);
         auto db = kikimr.GetTableClient();
@@ -4496,8 +4496,8 @@ R"([[#;#;["Primary1"];[41u]];[["Secondary2"];[2u];["Primary2"];[42u]];[["Seconda
     Y_UNIT_TEST_QUAD(MultipleModifications, WithMvcc, UseNewEngine) {
         auto setting = NKikimrKqp::TKqpSetting();
         auto serverSettings = TKikimrSettings()
-            .SetEnableMvcc(WithMvcc) 
-            .SetEnableMvccSnapshotReads(WithMvcc) 
+            .SetEnableMvcc(WithMvcc)
+            .SetEnableMvccSnapshotReads(WithMvcc)
             .SetKqpSettings({setting});
         TKikimrRunner kikimr(serverSettings);
         auto db = kikimr.GetTableClient();
@@ -4541,36 +4541,36 @@ R"([[#;#;["Primary1"];[41u]];[["Secondary2"];[2u];["Primary2"];[42u]];[["Seconda
         }
     }
 
-    template <bool WithMvcc, bool UseNewEngine> 
-    void CreateTableWithIndexSQL(EIndexTypeSql type, bool enableAsyncIndexes = false) { 
-        auto kqpSetting = NKikimrKqp::TKqpSetting(); 
-        kqpSetting.SetName("_KqpYqlSyntaxVersion"); 
-        kqpSetting.SetValue("1"); 
- 
+    template <bool WithMvcc, bool UseNewEngine>
+    void CreateTableWithIndexSQL(EIndexTypeSql type, bool enableAsyncIndexes = false) {
+        auto kqpSetting = NKikimrKqp::TKqpSetting();
+        kqpSetting.SetName("_KqpYqlSyntaxVersion");
+        kqpSetting.SetValue("1");
+
         auto settings = TKikimrSettings()
-                .SetEnableMvcc(WithMvcc) 
-                .SetEnableMvccSnapshotReads(WithMvcc) 
-                .SetEnableAsyncIndexes(enableAsyncIndexes) 
+                .SetEnableMvcc(WithMvcc)
+                .SetEnableMvccSnapshotReads(WithMvcc)
+                .SetEnableAsyncIndexes(enableAsyncIndexes)
                 .SetKqpSettings({kqpSetting});
-        TKikimrRunner kikimr(settings); 
+        TKikimrRunner kikimr(settings);
         auto db = kikimr.GetTableClient();
         auto session = db.CreateSession().GetValueSync().GetSession();
 
-        const auto typeStr = IndexTypeSqlString(type); 
-        const auto expectedStatus = (type == EIndexTypeSql::GlobalAsync) 
-            ? (enableAsyncIndexes ? EStatus::SUCCESS : EStatus::GENERIC_ERROR) 
-            : EStatus::SUCCESS; 
- 
-        const TString createTableSql = Sprintf("CREATE TABLE `/Root/TestTable` (" 
+        const auto typeStr = IndexTypeSqlString(type);
+        const auto expectedStatus = (type == EIndexTypeSql::GlobalAsync)
+            ? (enableAsyncIndexes ? EStatus::SUCCESS : EStatus::GENERIC_ERROR)
+            : EStatus::SUCCESS;
+
+        const TString createTableSql = Sprintf("CREATE TABLE `/Root/TestTable` ("
                 "    Key Int32, IndexA Int32, IndexB Int32, IndexC String, Value String,"
                 "    PRIMARY KEY (Key),"
-                "    INDEX SecondaryIndex1 %s ON (IndexA, IndexB)," 
-                "    INDEX SecondaryIndex2 %s ON (IndexC)" 
-                ")", typeStr.data(), typeStr.data()); 
+                "    INDEX SecondaryIndex1 %s ON (IndexA, IndexB),"
+                "    INDEX SecondaryIndex2 %s ON (IndexC)"
+                ")", typeStr.data(), typeStr.data());
         {
             auto result = session.ExecuteSchemeQuery(createTableSql).GetValueSync();
             UNIT_ASSERT_VALUES_EQUAL(result.IsTransportError(), false);
-            UNIT_ASSERT_VALUES_EQUAL(result.GetStatus(), expectedStatus); 
+            UNIT_ASSERT_VALUES_EQUAL(result.GetStatus(), expectedStatus);
         }
 
         // Multiple create table requests with same scheme should be OK
@@ -4578,20 +4578,20 @@ R"([[#;#;["Primary1"];[41u]];[["Secondary2"];[2u];["Primary2"];[42u]];[["Seconda
 
             auto result = session.ExecuteSchemeQuery(createTableSql).GetValueSync();
             UNIT_ASSERT_VALUES_EQUAL(result.IsTransportError(), false);
-            UNIT_ASSERT_VALUES_EQUAL(result.GetStatus(), expectedStatus); 
+            UNIT_ASSERT_VALUES_EQUAL(result.GetStatus(), expectedStatus);
+        }
+
+        if (type == EIndexTypeSql::GlobalAsync && !enableAsyncIndexes) {
+            return;
         }
- 
-        if (type == EIndexTypeSql::GlobalAsync && !enableAsyncIndexes) { 
-            return; 
-        } 
- 
+
         // Check we can use index (metadata is correct)
-        const TString query1(Q_(R"( 
+        const TString query1(Q_(R"(
             UPSERT INTO `/Root/TestTable` (Key, IndexA, IndexB, IndexC, Value) VALUES
             (1, 11, 111, "a", "Value1"),
             (2, 22, 222, "b", "Value2"),
             (3, 33, 333, "c", "Value3");
-        )")); 
+        )"));
 
         auto result = session.ExecuteDataQuery(
                 query1,
@@ -4599,122 +4599,122 @@ R"([[#;#;["Primary1"];[41u]];[["Secondary2"];[2u];["Primary2"];[42u]];[["Seconda
             .ExtractValueSync();
 
         UNIT_ASSERT_C(result.IsSuccess(), result.GetIssues().ToString());
- 
-        auto waitForAsyncIndexContent = [&session](const TString& indexImplTable, const TString& expected) { 
-            while (true) { 
-                const auto& yson = ReadTablePartToYson(session, indexImplTable); 
-                if (yson == expected) { 
-                    break; 
-                } 
- 
-                Sleep(TDuration::Seconds(1)); 
-            } 
-        }; 
- 
-        {
-            const TString indexImplTable = "/Root/TestTable/SecondaryIndex1/indexImplTable"; 
-            const TString expected = R"([[[11];[111];[1]];[[22];[222];[2]];[[33];[333];[3]]])"; 
-            if (!enableAsyncIndexes) { 
-                UNIT_ASSERT_VALUES_EQUAL(ReadTablePartToYson(session, indexImplTable), expected); 
-            } else { 
-                waitForAsyncIndexContent(indexImplTable, expected); 
-            } 
-        }
-        {
-            const TString indexImplTable = "/Root/TestTable/SecondaryIndex2/indexImplTable"; 
-            const TString expected = R"([[["a"];[1]];[["b"];[2]];[["c"];[3]]])"; 
-            if (!enableAsyncIndexes) { 
-                UNIT_ASSERT_VALUES_EQUAL(ReadTablePartToYson(session, indexImplTable), expected); 
-            } else { 
-                waitForAsyncIndexContent(indexImplTable, expected); 
-            } 
+
+        auto waitForAsyncIndexContent = [&session](const TString& indexImplTable, const TString& expected) {
+            while (true) {
+                const auto& yson = ReadTablePartToYson(session, indexImplTable);
+                if (yson == expected) {
+                    break;
+                }
+
+                Sleep(TDuration::Seconds(1));
+            }
+        };
+
+        {
+            const TString indexImplTable = "/Root/TestTable/SecondaryIndex1/indexImplTable";
+            const TString expected = R"([[[11];[111];[1]];[[22];[222];[2]];[[33];[333];[3]]])";
+            if (!enableAsyncIndexes) {
+                UNIT_ASSERT_VALUES_EQUAL(ReadTablePartToYson(session, indexImplTable), expected);
+            } else {
+                waitForAsyncIndexContent(indexImplTable, expected);
+            }
         }
+        {
+            const TString indexImplTable = "/Root/TestTable/SecondaryIndex2/indexImplTable";
+            const TString expected = R"([[["a"];[1]];[["b"];[2]];[["c"];[3]]])";
+            if (!enableAsyncIndexes) {
+                UNIT_ASSERT_VALUES_EQUAL(ReadTablePartToYson(session, indexImplTable), expected);
+            } else {
+                waitForAsyncIndexContent(indexImplTable, expected);
+            }
+        }
+    }
+
+    Y_UNIT_TEST_QUAD(CreateTableWithImplicitSyncIndexSQL, WithMvcc, UseNewEngine) {
+        CreateTableWithIndexSQL<WithMvcc, UseNewEngine>(EIndexTypeSql::Global);
+    }
+
+    Y_UNIT_TEST_QUAD(CreateTableWithExplicitSyncIndexSQL, WithMvcc, UseNewEngine) {
+        CreateTableWithIndexSQL<WithMvcc, UseNewEngine>(EIndexTypeSql::GlobalSync);
+    }
+
+    Y_UNIT_TEST_QUAD(CreateTableWithAsyncIndexSQLShouldFail, WithMvcc, UseNewEngine) {
+        CreateTableWithIndexSQL<WithMvcc, UseNewEngine>(EIndexTypeSql::GlobalAsync);
     }
 
-    Y_UNIT_TEST_QUAD(CreateTableWithImplicitSyncIndexSQL, WithMvcc, UseNewEngine) { 
-        CreateTableWithIndexSQL<WithMvcc, UseNewEngine>(EIndexTypeSql::Global); 
-    } 
- 
-    Y_UNIT_TEST_QUAD(CreateTableWithExplicitSyncIndexSQL, WithMvcc, UseNewEngine) { 
-        CreateTableWithIndexSQL<WithMvcc, UseNewEngine>(EIndexTypeSql::GlobalSync); 
-    } 
- 
-    Y_UNIT_TEST_QUAD(CreateTableWithAsyncIndexSQLShouldFail, WithMvcc, UseNewEngine) { 
-        CreateTableWithIndexSQL<WithMvcc, UseNewEngine>(EIndexTypeSql::GlobalAsync); 
-    } 
- 
-    Y_UNIT_TEST_QUAD(CreateTableWithAsyncIndexSQLShouldSucceed, WithMvcc, UseNewEngine) { 
-        CreateTableWithIndexSQL<WithMvcc, UseNewEngine>(EIndexTypeSql::GlobalAsync, true); 
-    } 
- 
-    template <bool WithMvcc, bool UseNewEngine> 
-    void SelectFromAsyncIndexedTable() { 
-        auto kqpSetting = NKikimrKqp::TKqpSetting(); 
-        kqpSetting.SetName("_KqpYqlSyntaxVersion"); 
-        kqpSetting.SetValue("1"); 
- 
-        auto settings = TKikimrSettings() 
-                .SetEnableMvcc(WithMvcc) 
-                .SetEnableMvccSnapshotReads(WithMvcc) 
-                .SetEnableAsyncIndexes(true) 
-                .SetKqpSettings({kqpSetting}); 
-        TKikimrRunner kikimr(settings); 
-        auto db = kikimr.GetTableClient(); 
-        auto session = db.CreateSession().GetValueSync().GetSession(); 
- 
-        { 
-            auto result = session.ExecuteSchemeQuery(R"( 
-                CREATE TABLE `/Root/TestTable` ( 
-                    Key Int32, Index Int32, Value String, 
-                    PRIMARY KEY (Key), 
-                    INDEX SecondaryIndex GLOBAL ASYNC ON (Index) 
-                ) 
-            )").GetValueSync(); 
-            UNIT_ASSERT_VALUES_EQUAL(result.IsTransportError(), false); 
-            UNIT_ASSERT_VALUES_EQUAL(result.GetStatus(), EStatus::SUCCESS); 
-        } 
- 
-        const auto query = Q_("SELECT * FROM `/Root/TestTable` VIEW SecondaryIndex WHERE Index == 1;"); 
-        auto queryId = session.PrepareDataQuery(query).ExtractValueSync().GetQuery(); 
- 
-        const auto variants = TVector<std::pair<TTxSettings, EStatus>>{ 
+    Y_UNIT_TEST_QUAD(CreateTableWithAsyncIndexSQLShouldSucceed, WithMvcc, UseNewEngine) {
+        CreateTableWithIndexSQL<WithMvcc, UseNewEngine>(EIndexTypeSql::GlobalAsync, true);
+    }
+
+    template <bool WithMvcc, bool UseNewEngine>
+    void SelectFromAsyncIndexedTable() {
+        auto kqpSetting = NKikimrKqp::TKqpSetting();
+        kqpSetting.SetName("_KqpYqlSyntaxVersion");
+        kqpSetting.SetValue("1");
+
+        auto settings = TKikimrSettings()
+                .SetEnableMvcc(WithMvcc)
+                .SetEnableMvccSnapshotReads(WithMvcc)
+                .SetEnableAsyncIndexes(true)
+                .SetKqpSettings({kqpSetting});
+        TKikimrRunner kikimr(settings);
+        auto db = kikimr.GetTableClient();
+        auto session = db.CreateSession().GetValueSync().GetSession();
+
+        {
+            auto result = session.ExecuteSchemeQuery(R"(
+                CREATE TABLE `/Root/TestTable` (
+                    Key Int32, Index Int32, Value String,
+                    PRIMARY KEY (Key),
+                    INDEX SecondaryIndex GLOBAL ASYNC ON (Index)
+                )
+            )").GetValueSync();
+            UNIT_ASSERT_VALUES_EQUAL(result.IsTransportError(), false);
+            UNIT_ASSERT_VALUES_EQUAL(result.GetStatus(), EStatus::SUCCESS);
+        }
+
+        const auto query = Q_("SELECT * FROM `/Root/TestTable` VIEW SecondaryIndex WHERE Index == 1;");
+        auto queryId = session.PrepareDataQuery(query).ExtractValueSync().GetQuery();
+
+        const auto variants = TVector<std::pair<TTxSettings, EStatus>>{
             {TTxSettings::SerializableRW(), UseNewEngine ? EStatus::PRECONDITION_FAILED : EStatus::GENERIC_ERROR},
             {TTxSettings::OnlineRO(), UseNewEngine ? EStatus::PRECONDITION_FAILED : EStatus::GENERIC_ERROR},
             {TTxSettings::StaleRO(), EStatus::SUCCESS},
-        }; 
- 
-        for (const auto& [settings, status] : variants) { 
-            { 
-                auto result = session.ExecuteDataQuery(query, TTxControl::BeginTx(settings).CommitTx()).ExtractValueSync(); 
-                UNIT_ASSERT_VALUES_EQUAL_C(result.GetStatus(), status, TStringBuilder() << "Unexpected status #1" 
-                    << ": expected# " << status 
-                    << ": got# " << result.GetStatus() 
-                    << ", settings# " << settings 
-                    << ", issues# " << result.GetIssues().ToString()); 
-            } 
- 
-            { 
-                auto result = queryId.Execute(TTxControl::BeginTx(settings).CommitTx()).ExtractValueSync(); 
-                UNIT_ASSERT_VALUES_EQUAL_C(result.GetStatus(), status, TStringBuilder() << "Unexpected status #2" 
-                    << ": expected# " << status 
-                    << ": got# " << result.GetStatus() 
-                    << ", settings# " << settings 
-                    << ", issues# " << result.GetIssues().ToString()); 
-            } 
-        } 
-    } 
- 
-    Y_UNIT_TEST_QUAD(SelectFromAsyncIndexedTable, WithMvcc, UseNewEngine) { 
-        SelectFromAsyncIndexedTable<WithMvcc, UseNewEngine>(); 
-    } 
- 
+        };
+
+        for (const auto& [settings, status] : variants) {
+            {
+                auto result = session.ExecuteDataQuery(query, TTxControl::BeginTx(settings).CommitTx()).ExtractValueSync();
+                UNIT_ASSERT_VALUES_EQUAL_C(result.GetStatus(), status, TStringBuilder() << "Unexpected status #1"
+                    << ": expected# " << status
+                    << ": got# " << result.GetStatus()
+                    << ", settings# " << settings
+                    << ", issues# " << result.GetIssues().ToString());
+            }
+
+            {
+                auto result = queryId.Execute(TTxControl::BeginTx(settings).CommitTx()).ExtractValueSync();
+                UNIT_ASSERT_VALUES_EQUAL_C(result.GetStatus(), status, TStringBuilder() << "Unexpected status #2"
+                    << ": expected# " << status
+                    << ": got# " << result.GetStatus()
+                    << ", settings# " << settings
+                    << ", issues# " << result.GetIssues().ToString());
+            }
+        }
+    }
+
+    Y_UNIT_TEST_QUAD(SelectFromAsyncIndexedTable, WithMvcc, UseNewEngine) {
+        SelectFromAsyncIndexedTable<WithMvcc, UseNewEngine>();
+    }
+
     Y_UNIT_TEST_QUAD(InnerJoinWithNonIndexWherePredicate, WithMvcc, UseNewEngine) {
         auto setting = NKikimrKqp::TKqpSetting();
         setting.SetName("_KqpYqlSyntaxVersion");
         setting.SetValue("1");
         auto serverSettings = TKikimrSettings()
-            .SetEnableMvcc(WithMvcc) 
-            .SetEnableMvccSnapshotReads(WithMvcc) 
+            .SetEnableMvcc(WithMvcc)
+            .SetEnableMvccSnapshotReads(WithMvcc)
             .SetKqpSettings({setting});
         TKikimrRunner kikimr(serverSettings);
         auto db = kikimr.GetTableClient();
@@ -4799,8 +4799,8 @@ R"([[#;#;["Primary1"];[41u]];[["Secondary2"];[2u];["Primary2"];[42u]];[["Seconda
         setting.SetName("_KqpYqlSyntaxVersion");
         setting.SetValue("1");
         auto serverSettings = TKikimrSettings()
-            .SetEnableMvcc(WithMvcc) 
-            .SetEnableMvccSnapshotReads(WithMvcc) 
+            .SetEnableMvcc(WithMvcc)
+            .SetEnableMvccSnapshotReads(WithMvcc)
             .SetKqpSettings({setting});
         TKikimrRunner kikimr(serverSettings);
         auto db = kikimr.GetTableClient();
diff --git a/ydb/core/kqp/ut/kqp_mvcc_ut.cpp b/ydb/core/kqp/ut/kqp_mvcc_ut.cpp
index 54ba5df394..571b39df3a 100644
--- a/ydb/core/kqp/ut/kqp_mvcc_ut.cpp
+++ b/ydb/core/kqp/ut/kqp_mvcc_ut.cpp
@@ -11,8 +11,8 @@ using namespace NYdb::NTable;
 Y_UNIT_TEST_SUITE(KqpSnapshotRead) {
     Y_UNIT_TEST_NEW_ENGINE(TestSnapshotExpiration) {
         TKikimrRunner kikimr(TKikimrSettings()
-            .SetEnableMvcc(true) 
-            .SetEnableMvccSnapshotReads(true) 
+            .SetEnableMvcc(true)
+            .SetEnableMvccSnapshotReads(true)
             .SetKeepSnapshotTimeout(TDuration::Seconds(1)));
 
 //        kikimr.GetTestServer().GetRuntime()->SetLogPriority(NKikimrServices::KQP_BLOBS_STORAGE, NActors::NLog::PRI_DEBUG);
@@ -62,7 +62,7 @@ Y_UNIT_TEST_SUITE(KqpSnapshotRead) {
     }
 
     Y_UNIT_TEST_NEW_ENGINE(ReadOnlyTxCommitsOnConcurrentWrite) {
-        TKikimrRunner kikimr(TKikimrSettings().SetEnableMvcc(true).SetEnableMvccSnapshotReads(true)); 
+        TKikimrRunner kikimr(TKikimrSettings().SetEnableMvcc(true).SetEnableMvccSnapshotReads(true));
 
 //        kikimr.GetTestServer().GetRuntime()->SetLogPriority(NKikimrServices::KQP_COMPUTE, NActors::NLog::PRI_DEBUG);
 //        kikimr.GetTestServer().GetRuntime()->SetLogPriority(NKikimrServices::KQP_BLOBS_STORAGE, NActors::NLog::PRI_DEBUG);
@@ -120,7 +120,7 @@ Y_UNIT_TEST_SUITE(KqpSnapshotRead) {
     }
 
     Y_UNIT_TEST_NEW_ENGINE(ReadOnlyTxWithIndexCommitsOnConcurrentWrite) {
-        TKikimrRunner kikimr(TKikimrSettings().SetEnableMvcc(true).SetEnableMvccSnapshotReads(true)); 
+        TKikimrRunner kikimr(TKikimrSettings().SetEnableMvcc(true).SetEnableMvccSnapshotReads(true));
 
 //        kikimr.GetTestServer().GetRuntime()->SetLogPriority(NKikimrServices::KQP_COMPUTE, NActors::NLog::PRI_DEBUG);
 //        kikimr.GetTestServer().GetRuntime()->SetLogPriority(NKikimrServices::KQP_BLOBS_STORAGE, NActors::NLog::PRI_DEBUG);
@@ -181,7 +181,7 @@ Y_UNIT_TEST_SUITE(KqpSnapshotRead) {
     }
 
     Y_UNIT_TEST_NEW_ENGINE(ReadWriteTxFailsOnConcurrentWrite1) {
-        TKikimrRunner kikimr(TKikimrSettings().SetEnableMvcc(true).SetEnableMvccSnapshotReads(true)); 
+        TKikimrRunner kikimr(TKikimrSettings().SetEnableMvcc(true).SetEnableMvccSnapshotReads(true));
 
 //        kikimr.GetTestServer().GetRuntime()->SetLogPriority(NKikimrServices::KQP_COMPUTE, NActors::NLog::PRI_DEBUG);
 //        kikimr.GetTestServer().GetRuntime()->SetLogPriority(NKikimrServices::KQP_BLOBS_STORAGE, NActors::NLog::PRI_DEBUG);
@@ -218,7 +218,7 @@ Y_UNIT_TEST_SUITE(KqpSnapshotRead) {
     }
 
     Y_UNIT_TEST_NEW_ENGINE(ReadWriteTxFailsOnConcurrentWrite2) {
-        TKikimrRunner kikimr(TKikimrSettings().SetEnableMvcc(true).SetEnableMvccSnapshotReads(true)); 
+        TKikimrRunner kikimr(TKikimrSettings().SetEnableMvcc(true).SetEnableMvccSnapshotReads(true));
 
 //        kikimr.GetTestServer().GetRuntime()->SetLogPriority(NKikimrServices::KQP_COMPUTE, NActors::NLog::PRI_DEBUG);
 //        kikimr.GetTestServer().GetRuntime()->SetLogPriority(NKikimrServices::KQP_BLOBS_STORAGE, NActors::NLog::PRI_DEBUG);
@@ -256,7 +256,7 @@ Y_UNIT_TEST_SUITE(KqpSnapshotRead) {
     }
 
     Y_UNIT_TEST_NEW_ENGINE(ReadWriteTxFailsOnConcurrentWrite3) {
-        TKikimrRunner kikimr(TKikimrSettings().SetEnableMvcc(true).SetEnableMvccSnapshotReads(true)); 
+        TKikimrRunner kikimr(TKikimrSettings().SetEnableMvcc(true).SetEnableMvccSnapshotReads(true));
 
 //        kikimr.GetTestServer().GetRuntime()->SetLogPriority(NKikimrServices::KQP_COMPUTE, NActors::NLog::PRI_DEBUG);
 //        kikimr.GetTestServer().GetRuntime()->SetLogPriority(NKikimrServices::KQP_BLOBS_STORAGE, NActors::NLog::PRI_DEBUG);
diff --git a/ydb/core/kqp/ut/kqp_olap_ut.cpp b/ydb/core/kqp/ut/kqp_olap_ut.cpp
index 738a71dee8..908fc34a13 100644
--- a/ydb/core/kqp/ut/kqp_olap_ut.cpp
+++ b/ydb/core/kqp/ut/kqp_olap_ut.cpp
@@ -400,10 +400,10 @@ Y_UNIT_TEST_SUITE(KqpOlap) {
     }
 
     Y_UNIT_TEST(SimpleQueryOlap) {
-        auto settings = TKikimrSettings() 
-            .SetWithSampleTables(false) 
-            .SetEnableOlapSchemaOperations(true); 
-        TKikimrRunner kikimr(settings); 
+        auto settings = TKikimrSettings()
+            .SetWithSampleTables(false)
+            .SetEnableOlapSchemaOperations(true);
+        TKikimrRunner kikimr(settings);
 
         // EnableDebugLogging(kikimr);
 
@@ -432,10 +432,10 @@ Y_UNIT_TEST_SUITE(KqpOlap) {
     }
 
     Y_UNIT_TEST(SimpleLookupOlap) {
-        auto settings = TKikimrSettings() 
-            .SetWithSampleTables(false) 
-            .SetEnableOlapSchemaOperations(true); 
-        TKikimrRunner kikimr(settings); 
+        auto settings = TKikimrSettings()
+            .SetWithSampleTables(false)
+            .SetEnableOlapSchemaOperations(true);
+        TKikimrRunner kikimr(settings);
 
         // EnableDebugLogging(kikimr);
 
@@ -463,10 +463,10 @@ Y_UNIT_TEST_SUITE(KqpOlap) {
     }
 
     Y_UNIT_TEST(SimpleRangeOlap) {
-        auto settings = TKikimrSettings() 
-            .SetWithSampleTables(false) 
-            .SetEnableOlapSchemaOperations(true); 
-        TKikimrRunner kikimr(settings); 
+        auto settings = TKikimrSettings()
+            .SetWithSampleTables(false)
+            .SetEnableOlapSchemaOperations(true);
+        TKikimrRunner kikimr(settings);
 
         // EnableDebugLogging(kikimr);
 
@@ -495,10 +495,10 @@ Y_UNIT_TEST_SUITE(KqpOlap) {
     }
 
     Y_UNIT_TEST(CompositeRangeOlap) {
-        auto settings = TKikimrSettings() 
-            .SetWithSampleTables(false) 
-            .SetEnableOlapSchemaOperations(true); 
-        TKikimrRunner kikimr(settings); 
+        auto settings = TKikimrSettings()
+            .SetWithSampleTables(false)
+            .SetEnableOlapSchemaOperations(true);
+        TKikimrRunner kikimr(settings);
 
         // EnableDebugLogging(kikimr);
 
@@ -654,10 +654,10 @@ Y_UNIT_TEST_SUITE(KqpOlap) {
     }
 
     Y_UNIT_TEST(QueryOltpAndOlap) {
-        auto settings = TKikimrSettings() 
-            .SetWithSampleTables(false) 
-            .SetEnableOlapSchemaOperations(true); 
-        TKikimrRunner kikimr(settings); 
+        auto settings = TKikimrSettings()
+            .SetWithSampleTables(false)
+            .SetEnableOlapSchemaOperations(true);
+        TKikimrRunner kikimr(settings);
 
         // EnableDebugLogging(kikimr);
 
@@ -687,10 +687,10 @@ Y_UNIT_TEST_SUITE(KqpOlap) {
     }
 
     Y_UNIT_TEST(EmptyRange) {
-        auto settings = TKikimrSettings() 
-            .SetWithSampleTables(false) 
-            .SetEnableOlapSchemaOperations(true); 
-        TKikimrRunner kikimr(settings); 
+        auto settings = TKikimrSettings()
+            .SetWithSampleTables(false)
+            .SetEnableOlapSchemaOperations(true);
+        TKikimrRunner kikimr(settings);
 
         CreateTestOlapTable(kikimr);
         WriteTestData(kikimr, "/Root/olapStore/olapTable", 10000, 3000000, 1000);
@@ -710,10 +710,10 @@ Y_UNIT_TEST_SUITE(KqpOlap) {
     }
 
     Y_UNIT_TEST(Aggregation) {
-        auto settings = TKikimrSettings() 
-            .SetWithSampleTables(false) 
-            .SetEnableOlapSchemaOperations(true); 
-        TKikimrRunner kikimr(settings); 
+        auto settings = TKikimrSettings()
+            .SetWithSampleTables(false)
+            .SetEnableOlapSchemaOperations(true);
+        TKikimrRunner kikimr(settings);
 
         // EnableDebugLogging(kikimr);
 
@@ -787,9 +787,9 @@ Y_UNIT_TEST_SUITE(KqpOlap) {
         static bool enableLog = false;
 
         auto doTest = [](std::optional<bool> viaSettings, std::optional<bool> viaPragma, bool pushdownPresent) {
-            auto settings = TKikimrSettings() 
-                .SetWithSampleTables(false) 
-                .SetEnableOlapSchemaOperations(true); 
+            auto settings = TKikimrSettings()
+                .SetWithSampleTables(false)
+                .SetEnableOlapSchemaOperations(true);
 
             if (enableLog) {
                 Cerr << "Run test:" << Endl;
@@ -810,10 +810,10 @@ Y_UNIT_TEST_SUITE(KqpOlap) {
                 auto setting = NKikimrKqp::TKqpSetting();
                 setting.SetName("_KqpPushOlapProcess");
                 setting.SetValue(viaSettings.value() ? "true" : "false");
-                settings.KqpSettings = { setting }; 
+                settings.KqpSettings = { setting };
             }
 
-            TKikimrRunner kikimr(settings); 
+            TKikimrRunner kikimr(settings);
             kikimr.GetTestServer().GetRuntime()->SetLogPriority(NKikimrServices::TX_COLUMNSHARD, NActors::NLog::PRI_DEBUG);
 
             auto client = kikimr.GetTableClient();
@@ -883,10 +883,10 @@ Y_UNIT_TEST_SUITE(KqpOlap) {
     }
 
     Y_UNIT_TEST(PKDescScan) {
-        auto settings = TKikimrSettings() 
-            .SetWithSampleTables(false) 
-            .SetEnableOlapSchemaOperations(true); 
-        TKikimrRunner kikimr(settings); 
+        auto settings = TKikimrSettings()
+            .SetWithSampleTables(false)
+            .SetEnableOlapSchemaOperations(true);
+        TKikimrRunner kikimr(settings);
 
         TStreamExecScanQuerySettings scanSettings;
         scanSettings.Explain(true);
@@ -949,10 +949,10 @@ Y_UNIT_TEST_SUITE(KqpOlap) {
     }
 
     Y_UNIT_TEST(ExtractRanges) {
-        auto settings = TKikimrSettings() 
-            .SetWithSampleTables(false) 
-            .SetEnableOlapSchemaOperations(true); 
-        TKikimrRunner kikimr(settings); 
+        auto settings = TKikimrSettings()
+            .SetWithSampleTables(false)
+            .SetEnableOlapSchemaOperations(true);
+        TKikimrRunner kikimr(settings);
 
         CreateTestOlapTable(kikimr);
         WriteTestData(kikimr, "/Root/olapStore/olapTable", 0, 1000000, 2000);
@@ -977,10 +977,10 @@ Y_UNIT_TEST_SUITE(KqpOlap) {
     }
 
     Y_UNIT_TEST(ExtractRangesReverse) {
-        auto settings = TKikimrSettings() 
-            .SetWithSampleTables(false) 
-            .SetEnableOlapSchemaOperations(true); 
-        TKikimrRunner kikimr(settings); 
+        auto settings = TKikimrSettings()
+            .SetWithSampleTables(false)
+            .SetEnableOlapSchemaOperations(true);
+        TKikimrRunner kikimr(settings);
 
         CreateTestOlapTable(kikimr);
         WriteTestData(kikimr, "/Root/olapStore/olapTable", 0, 1000000, 2000);
@@ -1008,10 +1008,10 @@ Y_UNIT_TEST_SUITE(KqpOlap) {
 
     Y_UNIT_TEST(PredicatePushdown) {
         constexpr bool logQueries = false;
-        auto settings = TKikimrSettings() 
-            .SetWithSampleTables(false) 
-            .SetEnableOlapSchemaOperations(true); 
-        TKikimrRunner kikimr(settings); 
+        auto settings = TKikimrSettings()
+            .SetWithSampleTables(false)
+            .SetEnableOlapSchemaOperations(true);
+        TKikimrRunner kikimr(settings);
 
         TStreamExecScanQuerySettings scanSettings;
         scanSettings.Explain(true);
@@ -1130,10 +1130,10 @@ Y_UNIT_TEST_SUITE(KqpOlap) {
     }
 
     Y_UNIT_TEST(StatsSysView) {
-        auto settings = TKikimrSettings() 
-            .SetWithSampleTables(false) 
-            .SetEnableOlapSchemaOperations(true); 
-        TKikimrRunner kikimr(settings); 
+        auto settings = TKikimrSettings()
+            .SetWithSampleTables(false)
+            .SetEnableOlapSchemaOperations(true);
+        TKikimrRunner kikimr(settings);
 
         CreateTestOlapTable(kikimr);
         for (ui64 i = 0; i < 100; ++i) {
@@ -1171,10 +1171,10 @@ Y_UNIT_TEST_SUITE(KqpOlap) {
     }
 
     Y_UNIT_TEST(StatsSysViewTable) {
-        auto settings = TKikimrSettings() 
-            .SetWithSampleTables(false) 
-            .SetEnableOlapSchemaOperations(true); 
-        TKikimrRunner kikimr(settings); 
+        auto settings = TKikimrSettings()
+            .SetWithSampleTables(false)
+            .SetEnableOlapSchemaOperations(true);
+        TKikimrRunner kikimr(settings);
 
         CreateTestOlapTable(kikimr, "olapTable_1");
         CreateTestOlapTable(kikimr, "olapTable_2");
@@ -1232,10 +1232,10 @@ Y_UNIT_TEST_SUITE(KqpOlap) {
     }
 
     Y_UNIT_TEST(StatsSysViewColumns) {
-        auto settings = TKikimrSettings() 
-            .SetWithSampleTables(false) 
-            .SetEnableOlapSchemaOperations(true); 
-        TKikimrRunner kikimr(settings); 
+        auto settings = TKikimrSettings()
+            .SetWithSampleTables(false)
+            .SetEnableOlapSchemaOperations(true);
+        TKikimrRunner kikimr(settings);
 
         CreateTestOlapTable(kikimr);
         for (ui64 i = 0; i < 10; ++i) {
@@ -1292,10 +1292,10 @@ Y_UNIT_TEST_SUITE(KqpOlap) {
     }
 
     Y_UNIT_TEST(StatsSysViewRanges) {
-        auto settings = TKikimrSettings() 
-            .SetWithSampleTables(false) 
-            .SetEnableOlapSchemaOperations(true); 
-        TKikimrRunner kikimr(settings); 
+        auto settings = TKikimrSettings()
+            .SetWithSampleTables(false)
+            .SetEnableOlapSchemaOperations(true);
+        TKikimrRunner kikimr(settings);
 
         CreateTestOlapTable(kikimr, "olapTable_1");
         CreateTestOlapTable(kikimr, "olapTable_2");
@@ -1375,10 +1375,10 @@ Y_UNIT_TEST_SUITE(KqpOlap) {
     }
 
     Y_UNIT_TEST(StatsSysViewFilter) {
-        auto settings = TKikimrSettings() 
-            .SetWithSampleTables(false) 
-            .SetEnableOlapSchemaOperations(true); 
-        TKikimrRunner kikimr(settings); 
+        auto settings = TKikimrSettings()
+            .SetWithSampleTables(false)
+            .SetEnableOlapSchemaOperations(true);
+        TKikimrRunner kikimr(settings);
 
         CreateTestOlapTable(kikimr);
         for (ui64 i = 0; i < 10; ++i) {
@@ -1449,10 +1449,10 @@ Y_UNIT_TEST_SUITE(KqpOlap) {
     }
 
     Y_UNIT_TEST(StatsSysViewAggregation) {
-        auto settings = TKikimrSettings() 
-            .SetWithSampleTables(false) 
-            .SetEnableOlapSchemaOperations(true); 
-        TKikimrRunner kikimr(settings); 
+        auto settings = TKikimrSettings()
+            .SetWithSampleTables(false)
+            .SetEnableOlapSchemaOperations(true);
+        TKikimrRunner kikimr(settings);
 
         CreateTestOlapTable(kikimr, "olapTable_1");
         CreateTestOlapTable(kikimr, "olapTable_2");
@@ -1626,10 +1626,10 @@ Y_UNIT_TEST_SUITE(KqpOlap) {
 
     Y_UNIT_TEST(PredicatePushdownWithParameters) {
         constexpr bool logQueries = true;
-        auto settings = TKikimrSettings() 
-            .SetWithSampleTables(false) 
-            .SetEnableOlapSchemaOperations(true); 
-        TKikimrRunner kikimr(settings); 
+        auto settings = TKikimrSettings()
+            .SetWithSampleTables(false)
+            .SetEnableOlapSchemaOperations(true);
+        TKikimrRunner kikimr(settings);
 
         TStreamExecScanQuerySettings scanSettings;
         scanSettings.Explain(true);
@@ -1710,10 +1710,10 @@ Y_UNIT_TEST_SUITE(KqpOlap) {
     }
 
     Y_UNIT_TEST(PredicatePushdownParameterTypesValidation) {
-        auto settings = TKikimrSettings() 
-            .SetWithSampleTables(false) 
-            .SetEnableOlapSchemaOperations(true); 
-        TKikimrRunner kikimr(settings); 
+        auto settings = TKikimrSettings()
+            .SetWithSampleTables(false)
+            .SetEnableOlapSchemaOperations(true);
+        TKikimrRunner kikimr(settings);
 
         TStreamExecScanQuerySettings scanSettings;
         scanSettings.Explain(true);
@@ -1767,10 +1767,10 @@ Y_UNIT_TEST_SUITE(KqpOlap) {
     }
 
     Y_UNIT_TEST(PredicatePushdownCastErrors) {
-        auto settings = TKikimrSettings() 
-            .SetWithSampleTables(false) 
-            .SetEnableOlapSchemaOperations(true); 
-        TKikimrRunner kikimr(settings); 
+        auto settings = TKikimrSettings()
+            .SetWithSampleTables(false)
+            .SetEnableOlapSchemaOperations(true);
+        TKikimrRunner kikimr(settings);
 
         TStreamExecScanQuerySettings scanSettings;
         scanSettings.Explain(true);
diff --git a/ydb/core/kqp/ut/kqp_scan_ut.cpp b/ydb/core/kqp/ut/kqp_scan_ut.cpp
index 810a42e1ba..347ca35441 100644
--- a/ydb/core/kqp/ut/kqp_scan_ut.cpp
+++ b/ydb/core/kqp/ut/kqp_scan_ut.cpp
@@ -1771,10 +1771,10 @@ Y_UNIT_TEST_SUITE(KqpScan) {
     }
 
     Y_UNIT_TEST(LMapFunction) {
-        auto settings = TKikimrSettings() 
-            .SetWithSampleTables(false) 
-            .SetEnableOlapSchemaOperations(true); 
-        TKikimrRunner kikimr(settings); 
+        auto settings = TKikimrSettings()
+            .SetWithSampleTables(false)
+            .SetEnableOlapSchemaOperations(true);
+        TKikimrRunner kikimr(settings);
         auto tableClient = kikimr.GetTableClient();
         auto session = tableClient.CreateSession().GetValueSync().GetSession();
 
diff --git a/ydb/core/kqp/ut/kqp_scheme_ut.cpp b/ydb/core/kqp/ut/kqp_scheme_ut.cpp
index a548a62d36..ca7ffa42a4 100644
--- a/ydb/core/kqp/ut/kqp_scheme_ut.cpp
+++ b/ydb/core/kqp/ut/kqp_scheme_ut.cpp
@@ -3,8 +3,8 @@
 
 #include <library/cpp/threading/local_executor/local_executor.h>
 
-#include <util/string/printf.h> 
- 
+#include <util/string/printf.h>
+
 namespace NKikimr {
 namespace NKqp {
 
@@ -19,7 +19,7 @@ Y_UNIT_TEST_SUITE(KqpScheme) {
 
         auto& tableSettings = kikimr.GetTestServer().GetSettings().AppConfig.GetTableServiceConfig();
         bool useSchemeCacheMeta = tableSettings.GetUseSchemeCacheMetadata();
- 
+
         auto result = session.ExecuteDataQuery(R"(
             SELECT * FROM [/Root/KeyValue];
         )", TTxControl::BeginTx().CommitTx()).ExtractValueSync();
@@ -483,46 +483,46 @@ Y_UNIT_TEST_SUITE(KqpScheme) {
         }
     }
 
-    void AlterTableSetttings( 
-            NYdb::NTable::TSession& session, const TString& tableName, 
-            const THashMap<TString, TString>& settings, bool compat, 
-            EStatus expectedStatus = EStatus::SUCCESS, const TString& expectedMessage = {}) { 
- 
-        auto query = TStringBuilder() 
-            << "--!syntax_v1" << Endl 
-            << "ALTER TABLE `" << tableName << "` "; 
- 
-        if (compat) { 
-            query << "SET ("; 
-        } 
- 
-        bool needComma = false; 
-        for (const auto& [key, value] : settings) { 
-            if (needComma) { 
-                query << ","; 
-            } 
- 
-            needComma = true; 
- 
-            if (compat) { 
-                query << key << "=" << value; 
-            } else { 
-                query << " SET " << key << " " << value; 
-            } 
-        } 
- 
-        if (compat) { 
-            query << ")"; 
-        } 
- 
-        const auto result = session.ExecuteSchemeQuery(query << ";").GetValueSync(); 
-        UNIT_ASSERT_VALUES_EQUAL_C(result.GetStatus(), expectedStatus, result.GetIssues().ToString()); 
-        if (expectedMessage) { 
-            UNIT_ASSERT_STRING_CONTAINS_C(result.GetIssues().ToString(), expectedMessage, "Unexpected error message"); 
-        } 
-    } 
- 
-    void CreateTableWithCompactionPolicy(bool compat) { 
+    void AlterTableSetttings(
+            NYdb::NTable::TSession& session, const TString& tableName,
+            const THashMap<TString, TString>& settings, bool compat,
+            EStatus expectedStatus = EStatus::SUCCESS, const TString& expectedMessage = {}) {
+
+        auto query = TStringBuilder()
+            << "--!syntax_v1" << Endl
+            << "ALTER TABLE `" << tableName << "` ";
+
+        if (compat) {
+            query << "SET (";
+        }
+
+        bool needComma = false;
+        for (const auto& [key, value] : settings) {
+            if (needComma) {
+                query << ",";
+            }
+
+            needComma = true;
+
+            if (compat) {
+                query << key << "=" << value;
+            } else {
+                query << " SET " << key << " " << value;
+            }
+        }
+
+        if (compat) {
+            query << ")";
+        }
+
+        const auto result = session.ExecuteSchemeQuery(query << ";").GetValueSync();
+        UNIT_ASSERT_VALUES_EQUAL_C(result.GetStatus(), expectedStatus, result.GetIssues().ToString());
+        if (expectedMessage) {
+            UNIT_ASSERT_STRING_CONTAINS_C(result.GetIssues().ToString(), expectedMessage, "Unexpected error message");
+        }
+    }
+
+    void CreateTableWithCompactionPolicy(bool compat) {
         TKikimrRunner kikimr = TKikimrRunner();
         auto db = kikimr.GetTableClient();
         auto session = db.CreateSession().GetValueSync().GetSession();
@@ -545,8 +545,8 @@ Y_UNIT_TEST_SUITE(KqpScheme) {
             UNIT_ASSERT_VALUES_EQUAL(describeResult->Record.GetPathDescription().GetTable()
                 .GetPartitionConfig().GetCompactionPolicy().GetGeneration().size(), 2);
         }
- 
-        AlterTableSetttings(session, tableName, {{"COMPACTION_POLICY", "\"default\""}}, compat); 
+
+        AlterTableSetttings(session, tableName, {{"COMPACTION_POLICY", "\"default\""}}, compat);
         {
             auto describeResult = kikimr.GetTestClient().Ls(tableName);
             UNIT_ASSERT_VALUES_EQUAL(describeResult->Record.GetPathDescription().GetTable()
@@ -554,14 +554,14 @@ Y_UNIT_TEST_SUITE(KqpScheme) {
         }
     }
 
-    Y_UNIT_TEST(CreateTableWithCompactionPolicyUncompat) { 
-        CreateTableWithCompactionPolicy(false); 
-    } 
- 
-    Y_UNIT_TEST(CreateTableWithCompactionPolicyCompat) { 
-        CreateTableWithCompactionPolicy(true); 
-    } 
- 
+    Y_UNIT_TEST(CreateTableWithCompactionPolicyUncompat) {
+        CreateTableWithCompactionPolicy(false);
+    }
+
+    Y_UNIT_TEST(CreateTableWithCompactionPolicyCompat) {
+        CreateTableWithCompactionPolicy(true);
+    }
+
     Y_UNIT_TEST(CreateAndAlterTableWithPartitionBy) {
         TKikimrRunner kikimr;
         auto db = kikimr.GetTableClient();
@@ -637,7 +637,7 @@ Y_UNIT_TEST_SUITE(KqpScheme) {
         }
     }
 
-    void CreateAndAlterTableWithPartitioningBySize(bool compat) { 
+    void CreateAndAlterTableWithPartitioningBySize(bool compat) {
         TKikimrRunner kikimr;
         auto db = kikimr.GetTableClient();
         auto session = db.CreateSession().GetValueSync().GetSession();
@@ -667,7 +667,7 @@ Y_UNIT_TEST_SUITE(KqpScheme) {
             UNIT_ASSERT_VALUES_EQUAL(partSettings.GetPartitionSizeMb(), 2048);
         }
 
-        AlterTableSetttings(session, tableName, {{"AUTO_PARTITIONING_BY_SIZE", "DISABLED"}}, compat); 
+        AlterTableSetttings(session, tableName, {{"AUTO_PARTITIONING_BY_SIZE", "DISABLED"}}, compat);
         {
             TDescribeTableResult describe = session.DescribeTable(tableName).GetValueSync();
             UNIT_ASSERT_EQUAL(describe.GetStatus(), EStatus::SUCCESS);
@@ -679,15 +679,15 @@ Y_UNIT_TEST_SUITE(KqpScheme) {
         }
     }
 
-    Y_UNIT_TEST(CreateAndAlterTableWithPartitioningBySizeUncompat) { 
-        CreateAndAlterTableWithPartitioningBySize(false); 
-    } 
- 
-    Y_UNIT_TEST(CreateAndAlterTableWithPartitioningBySizeCompat) { 
-        CreateAndAlterTableWithPartitioningBySize(true); 
-    } 
- 
-    void CreateAndAlterTableWithPartitionSize(bool compat) { 
+    Y_UNIT_TEST(CreateAndAlterTableWithPartitioningBySizeUncompat) {
+        CreateAndAlterTableWithPartitioningBySize(false);
+    }
+
+    Y_UNIT_TEST(CreateAndAlterTableWithPartitioningBySizeCompat) {
+        CreateAndAlterTableWithPartitioningBySize(true);
+    }
+
+    void CreateAndAlterTableWithPartitionSize(bool compat) {
         TKikimrRunner kikimr;
         auto db = kikimr.GetTableClient();
         auto session = db.CreateSession().GetValueSync().GetSession();
@@ -727,10 +727,10 @@ Y_UNIT_TEST_SUITE(KqpScheme) {
             UNIT_ASSERT_VALUES_EQUAL(sizeToSplit, 1000 * 1024 * 1024);
         }
 
-        AlterTableSetttings(session, tableName, {{"AUTO_PARTITIONING_PARTITION_SIZE_MB", "0"}}, compat, 
-            EStatus::GENERIC_ERROR, "Can't set preferred partition size to 0"); 
+        AlterTableSetttings(session, tableName, {{"AUTO_PARTITIONING_PARTITION_SIZE_MB", "0"}}, compat,
+            EStatus::GENERIC_ERROR, "Can't set preferred partition size to 0");
 
-        AlterTableSetttings(session, tableName, {{"AUTO_PARTITIONING_BY_SIZE", "DISABLED"}}, compat); 
+        AlterTableSetttings(session, tableName, {{"AUTO_PARTITIONING_BY_SIZE", "DISABLED"}}, compat);
         {
             auto describeResult = kikimr.GetTestClient().Ls(tableName);
             size_t sizeToSplit = describeResult->Record.GetPathDescription().GetTable()
@@ -738,7 +738,7 @@ Y_UNIT_TEST_SUITE(KqpScheme) {
             UNIT_ASSERT_VALUES_EQUAL(sizeToSplit, 0);
         }
 
-        AlterTableSetttings(session, tableName, {{"AUTO_PARTITIONING_PARTITION_SIZE_MB", "500"}}, compat); 
+        AlterTableSetttings(session, tableName, {{"AUTO_PARTITIONING_PARTITION_SIZE_MB", "500"}}, compat);
         {
             auto describeResult = kikimr.GetTestClient().Ls(tableName);
             size_t sizeToSplit = describeResult->Record.GetPathDescription().GetTable()
@@ -747,14 +747,14 @@ Y_UNIT_TEST_SUITE(KqpScheme) {
         }
     }
 
-    Y_UNIT_TEST(CreateAndAlterTableWithPartitionSizeUncompat) { 
-        CreateAndAlterTableWithPartitionSize(false); 
-    } 
- 
-    Y_UNIT_TEST(CreateAndAlterTableWithPartitionSizeCompat) { 
-        CreateAndAlterTableWithPartitionSize(true); 
-    } 
- 
+    Y_UNIT_TEST(CreateAndAlterTableWithPartitionSizeUncompat) {
+        CreateAndAlterTableWithPartitionSize(false);
+    }
+
+    Y_UNIT_TEST(CreateAndAlterTableWithPartitionSizeCompat) {
+        CreateAndAlterTableWithPartitionSize(true);
+    }
+
     Y_UNIT_TEST(RenameTable) {
         TKikimrRunner kikimr;
         auto db = kikimr.GetTableClient();
@@ -866,7 +866,7 @@ Y_UNIT_TEST_SUITE(KqpScheme) {
 
     }
 
-    void CreateAndAlterTableWithPartitioningByLoad(bool compat) { 
+    void CreateAndAlterTableWithPartitioningByLoad(bool compat) {
         TKikimrRunner kikimr;
         auto db = kikimr.GetTableClient();
         auto session = db.CreateSession().GetValueSync().GetSession();
@@ -893,7 +893,7 @@ Y_UNIT_TEST_SUITE(KqpScheme) {
             UNIT_ASSERT_VALUES_EQUAL(enabled, true);
         }
 
-        AlterTableSetttings(session, tableName, {{"AUTO_PARTITIONING_BY_LOAD", "DISABLED"}}, compat); 
+        AlterTableSetttings(session, tableName, {{"AUTO_PARTITIONING_BY_LOAD", "DISABLED"}}, compat);
         {
             auto describeResult = kikimr.GetTestClient().Ls(tableName);
             bool enabled = describeResult->Record.GetPathDescription().GetTable()
@@ -901,7 +901,7 @@ Y_UNIT_TEST_SUITE(KqpScheme) {
             UNIT_ASSERT_VALUES_EQUAL(enabled, false);
         }
 
-        AlterTableSetttings(session, tableName, {{"AUTO_PARTITIONING_BY_LOAD", "ENABLED"}}, compat); 
+        AlterTableSetttings(session, tableName, {{"AUTO_PARTITIONING_BY_LOAD", "ENABLED"}}, compat);
         {
             auto describeResult = kikimr.GetTestClient().Ls(tableName);
             bool enabled = describeResult->Record.GetPathDescription().GetTable()
@@ -910,15 +910,15 @@ Y_UNIT_TEST_SUITE(KqpScheme) {
         }
     }
 
-    Y_UNIT_TEST(CreateAndAlterTableWithPartitioningByLoadUncompat) { 
-        CreateAndAlterTableWithPartitioningByLoad(false); 
-    } 
- 
-    Y_UNIT_TEST(CreateAndAlterTableWithPartitioningByLoadCompat) { 
-        CreateAndAlterTableWithPartitioningByLoad(true); 
-    } 
- 
-    void CreateAndAlterTableWithMinMaxPartitions(bool compat) { 
+    Y_UNIT_TEST(CreateAndAlterTableWithPartitioningByLoadUncompat) {
+        CreateAndAlterTableWithPartitioningByLoad(false);
+    }
+
+    Y_UNIT_TEST(CreateAndAlterTableWithPartitioningByLoadCompat) {
+        CreateAndAlterTableWithPartitioningByLoad(true);
+    }
+
+    void CreateAndAlterTableWithMinMaxPartitions(bool compat) {
         TKikimrRunner kikimr;
         auto db = kikimr.GetTableClient();
         auto session = db.CreateSession().GetValueSync().GetSession();
@@ -961,15 +961,15 @@ Y_UNIT_TEST_SUITE(KqpScheme) {
                 .GetPartitioningPolicy().GetMaxPartitionsCount(), 100);
         }
 
-        AlterTableSetttings(session, tableName, { 
-            {"AUTO_PARTITIONING_MIN_PARTITIONS_COUNT", "20"}, 
-            {"AUTO_PARTITIONING_MAX_PARTITIONS_COUNT", "0"} 
-        }, compat, EStatus::GENERIC_ERROR, "Can't set max partition count to 0"); 
+        AlterTableSetttings(session, tableName, {
+            {"AUTO_PARTITIONING_MIN_PARTITIONS_COUNT", "20"},
+            {"AUTO_PARTITIONING_MAX_PARTITIONS_COUNT", "0"}
+        }, compat, EStatus::GENERIC_ERROR, "Can't set max partition count to 0");
 
-        AlterTableSetttings(session, tableName, { 
-            {"AUTO_PARTITIONING_MIN_PARTITIONS_COUNT", "20"}, 
-            {"AUTO_PARTITIONING_MAX_PARTITIONS_COUNT", "50"} 
-        }, compat); 
+        AlterTableSetttings(session, tableName, {
+            {"AUTO_PARTITIONING_MIN_PARTITIONS_COUNT", "20"},
+            {"AUTO_PARTITIONING_MAX_PARTITIONS_COUNT", "50"}
+        }, compat);
 
         {
             auto describeResult = kikimr.GetTestClient().Ls(tableName);
@@ -980,15 +980,15 @@ Y_UNIT_TEST_SUITE(KqpScheme) {
         }
     }
 
-    Y_UNIT_TEST(CreateAndAlterTableWithMinMaxPartitionsUncompat) { 
-        CreateAndAlterTableWithMinMaxPartitions(false); 
-    } 
- 
-    Y_UNIT_TEST(CreateAndAlterTableWithMinMaxPartitionsCompat) { 
-        CreateAndAlterTableWithMinMaxPartitions(true); 
-    } 
- 
-    void CreateAndAlterTableWithBloomFilter(bool compat) { 
+    Y_UNIT_TEST(CreateAndAlterTableWithMinMaxPartitionsUncompat) {
+        CreateAndAlterTableWithMinMaxPartitions(false);
+    }
+
+    Y_UNIT_TEST(CreateAndAlterTableWithMinMaxPartitionsCompat) {
+        CreateAndAlterTableWithMinMaxPartitions(true);
+    }
+
+    void CreateAndAlterTableWithBloomFilter(bool compat) {
         TKikimrRunner kikimr;
         auto db = kikimr.GetTableClient();
         auto session = db.CreateSession().GetValueSync().GetSession();
@@ -1012,14 +1012,14 @@ Y_UNIT_TEST_SUITE(KqpScheme) {
                 .GetEnableFilterByKey(), true);
         }
 
-        AlterTableSetttings(session, tableName, {{"KEY_BLOOM_FILTER", "DISABLED"}}, compat); 
+        AlterTableSetttings(session, tableName, {{"KEY_BLOOM_FILTER", "DISABLED"}}, compat);
         {
             auto describeResult = kikimr.GetTestClient().Ls(tableName);
             UNIT_ASSERT_VALUES_EQUAL(describeResult->Record.GetPathDescription().GetTable().GetPartitionConfig()
                 .GetEnableFilterByKey(), false);
         }
 
-        AlterTableSetttings(session, tableName, {{"KEY_BLOOM_FILTER", "ENABLED"}}, compat); 
+        AlterTableSetttings(session, tableName, {{"KEY_BLOOM_FILTER", "ENABLED"}}, compat);
         {
             auto describeResult = kikimr.GetTestClient().Ls(tableName);
             UNIT_ASSERT_VALUES_EQUAL(describeResult->Record.GetPathDescription().GetTable().GetPartitionConfig()
@@ -1027,15 +1027,15 @@ Y_UNIT_TEST_SUITE(KqpScheme) {
         }
     }
 
-    Y_UNIT_TEST(CreateAndAlterTableWithBloomFilterUncompat) { 
-        CreateAndAlterTableWithBloomFilter(false); 
-    } 
- 
-    Y_UNIT_TEST(CreateAndAlterTableWithBloomFilterCompat) { 
-        CreateAndAlterTableWithBloomFilter(true); 
-    } 
- 
-    void CreateTableWithReadReplicas(bool compat) { 
+    Y_UNIT_TEST(CreateAndAlterTableWithBloomFilterUncompat) {
+        CreateAndAlterTableWithBloomFilter(false);
+    }
+
+    Y_UNIT_TEST(CreateAndAlterTableWithBloomFilterCompat) {
+        CreateAndAlterTableWithBloomFilter(true);
+    }
+
+    void CreateTableWithReadReplicas(bool compat) {
         TKikimrRunner kikimr;
         auto db = kikimr.GetTableClient();
         auto session = db.CreateSession().GetValueSync().GetSession();
@@ -1097,7 +1097,7 @@ Y_UNIT_TEST_SUITE(KqpScheme) {
             UNIT_ASSERT_VALUES_EQUAL(readReplicasSettings->GetReadReplicasCount(), 1);
         }
 
-        AlterTableSetttings(session, tableName, {{"READ_REPLICAS_SETTINGS", "\"PER_AZ:2\""}}, compat); 
+        AlterTableSetttings(session, tableName, {{"READ_REPLICAS_SETTINGS", "\"PER_AZ:2\""}}, compat);
         {
             const auto tableDesc = session.DescribeTable(tableName).GetValueSync().GetTableDescription();
             const auto readReplicasSettings = tableDesc.GetReadReplicasSettings();
@@ -1107,153 +1107,153 @@ Y_UNIT_TEST_SUITE(KqpScheme) {
         }
     }
 
-    Y_UNIT_TEST(CreateTableWithReadReplicasUncompat) { 
-        CreateTableWithReadReplicas(false); 
-    } 
- 
-    Y_UNIT_TEST(CreateTableWithReadReplicasCompat) { 
-        CreateTableWithReadReplicas(true); 
-    } 
- 
-    void CreateTableWithTtlSettings(bool compat) { 
-        TKikimrRunner kikimr; 
-        auto db = kikimr.GetTableClient(); 
-        auto session = db.CreateSession().GetValueSync().GetSession(); 
-        TString tableName = "/Root/TableWithTtlSettings"; 
- 
-        auto createTable = [&](const TString& ttlSettings, EStatus expectedStatus = EStatus::SUCCESS, const TString& expectedMessage = {}) { 
-            auto query = TStringBuilder() << R"( 
-                --!syntax_v1 
-                CREATE TABLE `)" << tableName << R"(` ( 
-                    Key Uint64, 
-                    Ts Timestamp, 
-                    StringValue String, 
-                    Uint32Value Uint32, 
-                    Uint64Value Uint64, 
-                    DyNumberValue DyNumber, 
-                    PRIMARY KEY (Key) 
-                ) WITH ( 
-                    TTL = )" << ttlSettings << R"( 
-                ))"; 
-            auto result = session.ExecuteSchemeQuery(query).GetValueSync(); 
-            UNIT_ASSERT_VALUES_EQUAL_C(result.GetStatus(), expectedStatus, result.GetIssues().ToString()); 
-            if (expectedMessage) { 
-                UNIT_ASSERT_STRING_CONTAINS_C(result.GetIssues().ToString(), expectedMessage, "Unexpected error message"); 
-            } 
-        }; 
- 
-        createTable(R"(DateTime::IntervalFromDays(1) ON Ts)", EStatus::GENERIC_ERROR, "Literal of Interval type is expected for TTL"); 
- 
-        createTable(R"("P1D" ON Ts)", EStatus::GENERIC_ERROR, "Literal of Interval type is expected for TTL"); 
- 
-        createTable(R"(Interval("-P1D") ON Ts)", EStatus::GENERIC_ERROR, "Interval value cannot be negative"); 
- 
-        createTable(R"(Interval("P1D") ON CreatedAt)", EStatus::GENERIC_ERROR, "Cannot enable TTL on unknown column"); 
- 
-        createTable(R"(Interval("P1D") ON StringValue)", EStatus::GENERIC_ERROR, "Unsupported column type"); 
- 
-        createTable(R"(Interval("P1D") ON Uint32Value)", EStatus::GENERIC_ERROR, "'ValueSinceUnixEpochModeSettings' should be specified"); 
-        createTable(R"(Interval("P1D") ON Uint64Value)", EStatus::GENERIC_ERROR, "'ValueSinceUnixEpochModeSettings' should be specified"); 
-        createTable(R"(Interval("P1D") ON DyNumberValue)", EStatus::GENERIC_ERROR, "'ValueSinceUnixEpochModeSettings' should be specified"); 
- 
-        createTable(R"(Interval("P1D") ON Ts)"); 
-        { 
-            auto result = kikimr.GetTestClient().Ls(tableName); 
-            const auto& table = result->Record.GetPathDescription().GetTable(); 
-            UNIT_ASSERT(table.HasTTLSettings()); 
- 
-            const auto& ttl = table.GetTTLSettings(); 
-            UNIT_ASSERT(ttl.HasEnabled()); 
-            UNIT_ASSERT_VALUES_EQUAL(ttl.GetEnabled().GetColumnName(), "Ts"); 
-            UNIT_ASSERT_VALUES_EQUAL(ttl.GetEnabled().GetExpireAfterSeconds(), 86'400); 
-        } 
- 
-        { 
-            auto query = TStringBuilder() << R"( 
-                --!syntax_v1 
-                ALTER TABLE `)" << tableName << R"(` RESET (TTL);)"; 
-            const auto result = session.ExecuteSchemeQuery(query).GetValueSync(); 
-            UNIT_ASSERT_VALUES_EQUAL_C(result.GetStatus(), EStatus::SUCCESS, result.GetIssues().ToString()); 
-        } 
- 
-        { 
-            auto result = kikimr.GetTestClient().Ls(tableName); 
-            const auto& table = result->Record.GetPathDescription().GetTable(); 
-            UNIT_ASSERT(table.HasTTLSettings()); 
- 
-            const auto& ttl = table.GetTTLSettings(); 
-            UNIT_ASSERT(ttl.HasDisabled()); 
-        } 
- 
-        AlterTableSetttings(session, tableName, {{"TTL", R"(DateTime::IntervalFromDays(1) ON Ts)"}}, compat, 
-            EStatus::GENERIC_ERROR, "Literal of Interval type is expected for TTL"); 
- 
-        AlterTableSetttings(session, tableName, {{"TTL", R"("-P1D" ON Ts)"}}, compat, 
-            EStatus::GENERIC_ERROR, "Literal of Interval type is expected for TTL"); 
- 
-        AlterTableSetttings(session, tableName, {{"TTL", R"(Interval("-P1D") ON Ts)"}}, compat, 
-            EStatus::GENERIC_ERROR, "Interval value cannot be negative"); 
- 
-        AlterTableSetttings(session, tableName, {{"TTL", R"(Interval("P0D") ON CreatedAt)"}}, compat, 
-            EStatus::GENERIC_ERROR, "Cannot enable TTL on unknown column"); 
- 
-        AlterTableSetttings(session, tableName, {{"TTL", R"(Interval("P0D") ON StringValue)"}}, compat, 
-            EStatus::GENERIC_ERROR, "Unsupported column type"); 
- 
-        AlterTableSetttings(session, tableName, {{"TTL", R"(Interval("P0D") ON Uint32Value)"}}, compat, 
-            EStatus::GENERIC_ERROR, "'ValueSinceUnixEpochModeSettings' should be specified"); 
-        AlterTableSetttings(session, tableName, {{"TTL", R"(Interval("P0D") ON Uint64Value)"}}, compat, 
-            EStatus::GENERIC_ERROR, "'ValueSinceUnixEpochModeSettings' should be specified"); 
-        AlterTableSetttings(session, tableName, {{"TTL", R"(Interval("P0D") ON DyNumberValue)"}}, compat, 
-            EStatus::GENERIC_ERROR, "'ValueSinceUnixEpochModeSettings' should be specified"); 
- 
-        AlterTableSetttings(session, tableName, {{"TTL", R"(Interval("P0D") ON Ts)"}}, compat); 
-        { 
-            auto result = kikimr.GetTestClient().Ls(tableName); 
-            const auto& table = result->Record.GetPathDescription().GetTable(); 
-            UNIT_ASSERT(table.HasTTLSettings()); 
- 
-            const auto& ttl = table.GetTTLSettings(); 
-            UNIT_ASSERT(ttl.HasEnabled()); 
-            UNIT_ASSERT_VALUES_EQUAL(ttl.GetEnabled().GetColumnName(), "Ts"); 
-            UNIT_ASSERT_VALUES_EQUAL(ttl.GetEnabled().GetExpireAfterSeconds(), 0); 
-        } 
- 
-        { 
-            auto query = TStringBuilder() << R"( 
-                --!syntax_v1 
-                ALTER TABLE `)" << tableName << R"(` DROP COLUMN Ts;)"; 
-            auto result = session.ExecuteSchemeQuery(query).GetValueSync(); 
-            UNIT_ASSERT_VALUES_EQUAL_C(result.GetStatus(), EStatus::GENERIC_ERROR, result.GetIssues().ToString()); 
-            UNIT_ASSERT_STRING_CONTAINS(result.GetIssues().ToString(), "Can't drop TTL column"); 
-        } 
- 
-        { 
-            auto query = TStringBuilder() << R"( 
-                --!syntax_v1 
-                ALTER TABLE `)" << tableName << R"(` RESET (TTL);)"; 
-            const auto result = session.ExecuteSchemeQuery(query).GetValueSync(); 
-            UNIT_ASSERT_VALUES_EQUAL_C(result.GetStatus(), EStatus::SUCCESS, result.GetIssues().ToString()); 
-        } 
- 
-        { 
-            auto query = TStringBuilder() << R"( 
-                --!syntax_v1 
-                ALTER TABLE `)" << tableName << R"(` DROP COLUMN Ts;)"; 
-            auto result = session.ExecuteSchemeQuery(query).GetValueSync(); 
-            UNIT_ASSERT_VALUES_EQUAL_C(result.GetStatus(), EStatus::SUCCESS, result.GetIssues().ToString()); 
-        } 
-    } 
- 
-    Y_UNIT_TEST(CreateTableWithTtlSettingsUncompat) { 
-        CreateTableWithTtlSettings(false); 
-    } 
- 
-    Y_UNIT_TEST(CreateTableWithTtlSettingsCompat) { 
-        CreateTableWithTtlSettings(true); 
-    } 
- 
-    void CreateTableWithUniformPartitions(bool compat) { 
+    Y_UNIT_TEST(CreateTableWithReadReplicasUncompat) {
+        CreateTableWithReadReplicas(false);
+    }
+
+    Y_UNIT_TEST(CreateTableWithReadReplicasCompat) {
+        CreateTableWithReadReplicas(true);
+    }
+
+    void CreateTableWithTtlSettings(bool compat) {
+        TKikimrRunner kikimr;
+        auto db = kikimr.GetTableClient();
+        auto session = db.CreateSession().GetValueSync().GetSession();
+        TString tableName = "/Root/TableWithTtlSettings";
+
+        auto createTable = [&](const TString& ttlSettings, EStatus expectedStatus = EStatus::SUCCESS, const TString& expectedMessage = {}) {
+            auto query = TStringBuilder() << R"(
+                --!syntax_v1
+                CREATE TABLE `)" << tableName << R"(` (
+                    Key Uint64,
+                    Ts Timestamp,
+                    StringValue String,
+                    Uint32Value Uint32,
+                    Uint64Value Uint64,
+                    DyNumberValue DyNumber,
+                    PRIMARY KEY (Key)
+                ) WITH (
+                    TTL = )" << ttlSettings << R"(
+                ))";
+            auto result = session.ExecuteSchemeQuery(query).GetValueSync();
+            UNIT_ASSERT_VALUES_EQUAL_C(result.GetStatus(), expectedStatus, result.GetIssues().ToString());
+            if (expectedMessage) {
+                UNIT_ASSERT_STRING_CONTAINS_C(result.GetIssues().ToString(), expectedMessage, "Unexpected error message");
+            }
+        };
+
+        createTable(R"(DateTime::IntervalFromDays(1) ON Ts)", EStatus::GENERIC_ERROR, "Literal of Interval type is expected for TTL");
+
+        createTable(R"("P1D" ON Ts)", EStatus::GENERIC_ERROR, "Literal of Interval type is expected for TTL");
+
+        createTable(R"(Interval("-P1D") ON Ts)", EStatus::GENERIC_ERROR, "Interval value cannot be negative");
+
+        createTable(R"(Interval("P1D") ON CreatedAt)", EStatus::GENERIC_ERROR, "Cannot enable TTL on unknown column");
+
+        createTable(R"(Interval("P1D") ON StringValue)", EStatus::GENERIC_ERROR, "Unsupported column type");
+
+        createTable(R"(Interval("P1D") ON Uint32Value)", EStatus::GENERIC_ERROR, "'ValueSinceUnixEpochModeSettings' should be specified");
+        createTable(R"(Interval("P1D") ON Uint64Value)", EStatus::GENERIC_ERROR, "'ValueSinceUnixEpochModeSettings' should be specified");
+        createTable(R"(Interval("P1D") ON DyNumberValue)", EStatus::GENERIC_ERROR, "'ValueSinceUnixEpochModeSettings' should be specified");
+
+        createTable(R"(Interval("P1D") ON Ts)");
+        {
+            auto result = kikimr.GetTestClient().Ls(tableName);
+            const auto& table = result->Record.GetPathDescription().GetTable();
+            UNIT_ASSERT(table.HasTTLSettings());
+
+            const auto& ttl = table.GetTTLSettings();
+            UNIT_ASSERT(ttl.HasEnabled());
+            UNIT_ASSERT_VALUES_EQUAL(ttl.GetEnabled().GetColumnName(), "Ts");
+            UNIT_ASSERT_VALUES_EQUAL(ttl.GetEnabled().GetExpireAfterSeconds(), 86'400);
+        }
+
+        {
+            auto query = TStringBuilder() << R"(
+                --!syntax_v1
+                ALTER TABLE `)" << tableName << R"(` RESET (TTL);)";
+            const auto result = session.ExecuteSchemeQuery(query).GetValueSync();
+            UNIT_ASSERT_VALUES_EQUAL_C(result.GetStatus(), EStatus::SUCCESS, result.GetIssues().ToString());
+        }
+
+        {
+            auto result = kikimr.GetTestClient().Ls(tableName);
+            const auto& table = result->Record.GetPathDescription().GetTable();
+            UNIT_ASSERT(table.HasTTLSettings());
+
+            const auto& ttl = table.GetTTLSettings();
+            UNIT_ASSERT(ttl.HasDisabled());
+        }
+
+        AlterTableSetttings(session, tableName, {{"TTL", R"(DateTime::IntervalFromDays(1) ON Ts)"}}, compat,
+            EStatus::GENERIC_ERROR, "Literal of Interval type is expected for TTL");
+
+        AlterTableSetttings(session, tableName, {{"TTL", R"("-P1D" ON Ts)"}}, compat,
+            EStatus::GENERIC_ERROR, "Literal of Interval type is expected for TTL");
+
+        AlterTableSetttings(session, tableName, {{"TTL", R"(Interval("-P1D") ON Ts)"}}, compat,
+            EStatus::GENERIC_ERROR, "Interval value cannot be negative");
+
+        AlterTableSetttings(session, tableName, {{"TTL", R"(Interval("P0D") ON CreatedAt)"}}, compat,
+            EStatus::GENERIC_ERROR, "Cannot enable TTL on unknown column");
+
+        AlterTableSetttings(session, tableName, {{"TTL", R"(Interval("P0D") ON StringValue)"}}, compat,
+            EStatus::GENERIC_ERROR, "Unsupported column type");
+
+        AlterTableSetttings(session, tableName, {{"TTL", R"(Interval("P0D") ON Uint32Value)"}}, compat,
+            EStatus::GENERIC_ERROR, "'ValueSinceUnixEpochModeSettings' should be specified");
+        AlterTableSetttings(session, tableName, {{"TTL", R"(Interval("P0D") ON Uint64Value)"}}, compat,
+            EStatus::GENERIC_ERROR, "'ValueSinceUnixEpochModeSettings' should be specified");
+        AlterTableSetttings(session, tableName, {{"TTL", R"(Interval("P0D") ON DyNumberValue)"}}, compat,
+            EStatus::GENERIC_ERROR, "'ValueSinceUnixEpochModeSettings' should be specified");
+
+        AlterTableSetttings(session, tableName, {{"TTL", R"(Interval("P0D") ON Ts)"}}, compat);
+        {
+            auto result = kikimr.GetTestClient().Ls(tableName);
+            const auto& table = result->Record.GetPathDescription().GetTable();
+            UNIT_ASSERT(table.HasTTLSettings());
+
+            const auto& ttl = table.GetTTLSettings();
+            UNIT_ASSERT(ttl.HasEnabled());
+            UNIT_ASSERT_VALUES_EQUAL(ttl.GetEnabled().GetColumnName(), "Ts");
+            UNIT_ASSERT_VALUES_EQUAL(ttl.GetEnabled().GetExpireAfterSeconds(), 0);
+        }
+
+        {
+            auto query = TStringBuilder() << R"(
+                --!syntax_v1
+                ALTER TABLE `)" << tableName << R"(` DROP COLUMN Ts;)";
+            auto result = session.ExecuteSchemeQuery(query).GetValueSync();
+            UNIT_ASSERT_VALUES_EQUAL_C(result.GetStatus(), EStatus::GENERIC_ERROR, result.GetIssues().ToString());
+            UNIT_ASSERT_STRING_CONTAINS(result.GetIssues().ToString(), "Can't drop TTL column");
+        }
+
+        {
+            auto query = TStringBuilder() << R"(
+                --!syntax_v1
+                ALTER TABLE `)" << tableName << R"(` RESET (TTL);)";
+            const auto result = session.ExecuteSchemeQuery(query).GetValueSync();
+            UNIT_ASSERT_VALUES_EQUAL_C(result.GetStatus(), EStatus::SUCCESS, result.GetIssues().ToString());
+        }
+
+        {
+            auto query = TStringBuilder() << R"(
+                --!syntax_v1
+                ALTER TABLE `)" << tableName << R"(` DROP COLUMN Ts;)";
+            auto result = session.ExecuteSchemeQuery(query).GetValueSync();
+            UNIT_ASSERT_VALUES_EQUAL_C(result.GetStatus(), EStatus::SUCCESS, result.GetIssues().ToString());
+        }
+    }
+
+    Y_UNIT_TEST(CreateTableWithTtlSettingsUncompat) {
+        CreateTableWithTtlSettings(false);
+    }
+
+    Y_UNIT_TEST(CreateTableWithTtlSettingsCompat) {
+        CreateTableWithTtlSettings(true);
+    }
+
+    void CreateTableWithUniformPartitions(bool compat) {
         TKikimrRunner kikimr;
         auto db = kikimr.GetTableClient();
         auto session = db.CreateSession().GetValueSync().GetSession();
@@ -1276,19 +1276,19 @@ Y_UNIT_TEST_SUITE(KqpScheme) {
         UNIT_ASSERT_C(describeResult.IsSuccess(), result.GetIssues().ToString());
         UNIT_ASSERT_VALUES_EQUAL(describeResult.GetTableDescription().GetPartitionsCount(), 4);
 
-        AlterTableSetttings(session, tableName, {{"UNIFORM_PARTITIONS", "8"}}, compat, 
-            EStatus::GENERIC_ERROR, "UNIFORM_PARTITIONS alter is not supported"); 
+        AlterTableSetttings(session, tableName, {{"UNIFORM_PARTITIONS", "8"}}, compat,
+            EStatus::GENERIC_ERROR, "UNIFORM_PARTITIONS alter is not supported");
+    }
+
+    Y_UNIT_TEST(CreateTableWithUniformPartitionsUncompat) {
+        CreateTableWithUniformPartitions(false);
+    }
+
+    Y_UNIT_TEST(CreateTableWithUniformPartitionsCompat) {
+        CreateTableWithUniformPartitions(true);
     }
 
-    Y_UNIT_TEST(CreateTableWithUniformPartitionsUncompat) { 
-        CreateTableWithUniformPartitions(false); 
-    } 
- 
-    Y_UNIT_TEST(CreateTableWithUniformPartitionsCompat) { 
-        CreateTableWithUniformPartitions(true); 
-    } 
- 
-    void CreateTableWithPartitionAtKeysSimple(bool compat) { 
+    void CreateTableWithPartitionAtKeysSimple(bool compat) {
         TKikimrRunner kikimr;
         auto db = kikimr.GetTableClient();
         auto session = db.CreateSession().GetValueSync().GetSession();
@@ -1342,18 +1342,18 @@ Y_UNIT_TEST_SUITE(KqpScheme) {
             ++n;
         }
 
-        AlterTableSetttings(session, tableName, {{"PARTITION_AT_KEYS", "(100, 500, 1000, 10000)"}}, compat, 
-            EStatus::GENERIC_ERROR, "PARTITION_AT_KEYS alter is not supported"); 
+        AlterTableSetttings(session, tableName, {{"PARTITION_AT_KEYS", "(100, 500, 1000, 10000)"}}, compat,
+            EStatus::GENERIC_ERROR, "PARTITION_AT_KEYS alter is not supported");
+    }
+
+    Y_UNIT_TEST(CreateTableWithPartitionAtKeysSimpleUncompat) {
+        CreateTableWithPartitionAtKeysSimple(false);
+    }
+
+    Y_UNIT_TEST(CreateTableWithPartitionAtKeysSimpleCompat) {
+        CreateTableWithPartitionAtKeysSimple(true);
     }
 
-    Y_UNIT_TEST(CreateTableWithPartitionAtKeysSimpleUncompat) { 
-        CreateTableWithPartitionAtKeysSimple(false); 
-    } 
- 
-    Y_UNIT_TEST(CreateTableWithPartitionAtKeysSimpleCompat) { 
-        CreateTableWithPartitionAtKeysSimple(true); 
-    } 
- 
     Y_UNIT_TEST(CreateTableWithPartitionAtKeysComplex) {
         TKikimrRunner kikimr;
         auto db = kikimr.GetTableClient();
@@ -1740,38 +1740,38 @@ Y_UNIT_TEST_SUITE(KqpScheme) {
         }
     }
 
-    void AlterTableAddIndex(EIndexTypeSql type, bool enableAsyncIndexes = false) { 
-        TKikimrRunner kikimr(TKikimrSettings().SetEnableAsyncIndexes(enableAsyncIndexes)); 
+    void AlterTableAddIndex(EIndexTypeSql type, bool enableAsyncIndexes = false) {
+        TKikimrRunner kikimr(TKikimrSettings().SetEnableAsyncIndexes(enableAsyncIndexes));
         auto db = kikimr.GetTableClient();
         auto session = db.CreateSession().GetValueSync().GetSession();
         CreateSampleTablesWithIndex(session);
- 
-        const auto typeStr = IndexTypeSqlString(type); 
-        const auto expectedStatus = (type == EIndexTypeSql::GlobalAsync) 
-            ? (enableAsyncIndexes ? EStatus::SUCCESS : EStatus::UNSUPPORTED) 
-            : EStatus::SUCCESS; 
+
+        const auto typeStr = IndexTypeSqlString(type);
+        const auto expectedStatus = (type == EIndexTypeSql::GlobalAsync)
+            ? (enableAsyncIndexes ? EStatus::SUCCESS : EStatus::UNSUPPORTED)
+            : EStatus::SUCCESS;
 
         {
-            auto status = session.ExecuteSchemeQuery(Sprintf(R"( 
+            auto status = session.ExecuteSchemeQuery(Sprintf(R"(
                 --!syntax_v1
                 ALTER TABLE `/Root/Test` ADD INDEX NameIndex %s ON (Name);
-            )", typeStr.data())).ExtractValueSync(); 
-            UNIT_ASSERT_VALUES_EQUAL_C(status.GetStatus(), expectedStatus, status.GetIssues().ToString()); 
+            )", typeStr.data())).ExtractValueSync();
+            UNIT_ASSERT_VALUES_EQUAL_C(status.GetStatus(), expectedStatus, status.GetIssues().ToString());
         }
 
         {
             TDescribeTableResult describe = session.DescribeTable("/Root/Test").GetValueSync();
             UNIT_ASSERT_EQUAL(describe.GetStatus(), EStatus::SUCCESS);
             auto indexDesc = describe.GetTableDescription().GetIndexDescriptions();
- 
-            if (expectedStatus != EStatus::SUCCESS) { 
-                UNIT_ASSERT_VALUES_EQUAL(indexDesc.size(), 0); 
-                return; 
-            } 
- 
+
+            if (expectedStatus != EStatus::SUCCESS) {
+                UNIT_ASSERT_VALUES_EQUAL(indexDesc.size(), 0);
+                return;
+            }
+
             UNIT_ASSERT_VALUES_EQUAL(indexDesc.size(), 1);
             UNIT_ASSERT_VALUES_EQUAL(indexDesc.back().GetIndexName(), "NameIndex");
-            UNIT_ASSERT_VALUES_EQUAL(indexDesc.back().GetIndexType(), IndexTypeSqlToIndexType(type)); 
+            UNIT_ASSERT_VALUES_EQUAL(indexDesc.back().GetIndexType(), IndexTypeSqlToIndexType(type));
             UNIT_ASSERT_VALUES_EQUAL(indexDesc.back().GetIndexColumns().size(), 1);
             UNIT_ASSERT_VALUES_EQUAL(indexDesc.back().GetDataColumns().size(), 0);
         }
@@ -1792,10 +1792,10 @@ Y_UNIT_TEST_SUITE(KqpScheme) {
         }
 
         {
-            auto status = session.ExecuteSchemeQuery(Sprintf(R"( 
+            auto status = session.ExecuteSchemeQuery(Sprintf(R"(
                 --!syntax_v1
                 ALTER TABLE `/Root/Test` ADD INDEX NameIndex %s ON (Name) COVER (Amount);
-            )", typeStr.data())).ExtractValueSync(); 
+            )", typeStr.data())).ExtractValueSync();
             UNIT_ASSERT_VALUES_EQUAL_C(status.GetStatus(), EStatus::SUCCESS, status.GetIssues().ToString());
         }
 
@@ -1805,28 +1805,28 @@ Y_UNIT_TEST_SUITE(KqpScheme) {
             auto indexDesc = describe.GetTableDescription().GetIndexDescriptions();
             UNIT_ASSERT_VALUES_EQUAL(indexDesc.size(), 1);
             UNIT_ASSERT_VALUES_EQUAL(indexDesc.back().GetIndexName(), "NameIndex");
-            UNIT_ASSERT_VALUES_EQUAL(indexDesc.back().GetIndexType(), IndexTypeSqlToIndexType(type)); 
+            UNIT_ASSERT_VALUES_EQUAL(indexDesc.back().GetIndexType(), IndexTypeSqlToIndexType(type));
             UNIT_ASSERT_VALUES_EQUAL(indexDesc.back().GetIndexColumns().size(), 1);
             UNIT_ASSERT_VALUES_EQUAL(indexDesc.back().GetDataColumns().size(), 1);
         }
     }
 
-    Y_UNIT_TEST(AlterTableAddImplicitSyncIndex) { 
-        AlterTableAddIndex(EIndexTypeSql::Global); 
-    } 
- 
-    Y_UNIT_TEST(AlterTableAddExplicitSyncIndex) { 
-        AlterTableAddIndex(EIndexTypeSql::GlobalSync); 
-    } 
- 
-    Y_UNIT_TEST(AlterTableAddAsyncIndexShouldFail) { 
-        AlterTableAddIndex(EIndexTypeSql::GlobalAsync); 
-    } 
- 
-    Y_UNIT_TEST(AlterTableAddAsyncIndexShouldSucceed) { 
-        AlterTableAddIndex(EIndexTypeSql::GlobalAsync, true); 
-    } 
- 
+    Y_UNIT_TEST(AlterTableAddImplicitSyncIndex) {
+        AlterTableAddIndex(EIndexTypeSql::Global);
+    }
+
+    Y_UNIT_TEST(AlterTableAddExplicitSyncIndex) {
+        AlterTableAddIndex(EIndexTypeSql::GlobalSync);
+    }
+
+    Y_UNIT_TEST(AlterTableAddAsyncIndexShouldFail) {
+        AlterTableAddIndex(EIndexTypeSql::GlobalAsync);
+    }
+
+    Y_UNIT_TEST(AlterTableAddAsyncIndexShouldSucceed) {
+        AlterTableAddIndex(EIndexTypeSql::GlobalAsync, true);
+    }
+
     Y_UNIT_TEST(AlterTableWithDecimalColumn) {
         TKikimrRunner kikimr;
         auto db = kikimr.GetTableClient();
diff --git a/ydb/core/metering/bill_record.cpp b/ydb/core/metering/bill_record.cpp
index bb569996e8..04776d5ea0 100644
--- a/ydb/core/metering/bill_record.cpp
+++ b/ydb/core/metering/bill_record.cpp
@@ -1,62 +1,62 @@
 #include "bill_record.h"
- 
-#include <library/cpp/json/json_writer.h> 
- 
-#include <util/generic/size_literals.h> 
-#include <util/string/cast.h> 
- 
-namespace NKikimr { 
- 
-NJson::TJsonMap TBillRecord::TUsage::ToJson() const { 
-    return NJson::TJsonMap{ 
-        {"type", ::ToString(Type_)}, 
-        {"unit", ::ToString(Unit_)}, 
-        {"quantity", Quantity_}, 
-        {"start", Start_.Seconds()}, 
-        {"finish", Finish_.Seconds()}, 
-    }; 
-} 
- 
-TString TBillRecord::TUsage::ToString() const { 
-    return NJson::WriteJson(ToJson(), false); 
-} 
- 
-NJson::TJsonMap TBillRecord::ToJson() const { 
-    return NJson::TJsonMap{ 
-        {"version", Version_}, 
-        {"id", Id_}, 
-        {"schema", Schema_}, 
-        {"cloud_id", CloudId_}, 
-        {"folder_id", FolderId_}, 
-        {"resource_id", ResourceId_}, 
-        {"source_id", SourceId_}, 
-        {"source_wt", SourceWt_.Seconds()}, 
-        {"tags", Tags_}, 
-        {"usage", Usage_.ToJson()}, 
-    }; 
-} 
- 
-TString TBillRecord::ToString() const { 
-    TStringStream out; 
- 
-    auto json = ToJson(); 
-    NJson::WriteJson(&out, &json, false, false, false); 
- 
-    out << Endl; 
-    return out.Str(); 
-} 
- 
-TBillRecord::TUsage TBillRecord::RequestUnits(ui64 quantity, TInstant start, TInstant finish) { 
-    return TUsage() 
-        .Type(TUsage::EType::Delta) 
-        .Unit(TUsage::EUnit::RequestUnit) 
-        .Quantity(quantity) 
-        .Start(start) 
-        .Finish(finish); 
-} 
- 
-TBillRecord::TUsage TBillRecord::RequestUnits(ui64 quantity, TInstant now) { 
-    return RequestUnits(quantity, now, now); 
-} 
- 
+
+#include <library/cpp/json/json_writer.h>
+
+#include <util/generic/size_literals.h>
+#include <util/string/cast.h>
+
+namespace NKikimr {
+
+NJson::TJsonMap TBillRecord::TUsage::ToJson() const {
+    return NJson::TJsonMap{
+        {"type", ::ToString(Type_)},
+        {"unit", ::ToString(Unit_)},
+        {"quantity", Quantity_},
+        {"start", Start_.Seconds()},
+        {"finish", Finish_.Seconds()},
+    };
+}
+
+TString TBillRecord::TUsage::ToString() const {
+    return NJson::WriteJson(ToJson(), false);
+}
+
+NJson::TJsonMap TBillRecord::ToJson() const {
+    return NJson::TJsonMap{
+        {"version", Version_},
+        {"id", Id_},
+        {"schema", Schema_},
+        {"cloud_id", CloudId_},
+        {"folder_id", FolderId_},
+        {"resource_id", ResourceId_},
+        {"source_id", SourceId_},
+        {"source_wt", SourceWt_.Seconds()},
+        {"tags", Tags_},
+        {"usage", Usage_.ToJson()},
+    };
+}
+
+TString TBillRecord::ToString() const {
+    TStringStream out;
+
+    auto json = ToJson();
+    NJson::WriteJson(&out, &json, false, false, false);
+
+    out << Endl;
+    return out.Str();
+}
+
+TBillRecord::TUsage TBillRecord::RequestUnits(ui64 quantity, TInstant start, TInstant finish) {
+    return TUsage()
+        .Type(TUsage::EType::Delta)
+        .Unit(TUsage::EUnit::RequestUnit)
+        .Quantity(quantity)
+        .Start(start)
+        .Finish(finish);
+}
+
+TBillRecord::TUsage TBillRecord::RequestUnits(ui64 quantity, TInstant now) {
+    return RequestUnits(quantity, now, now);
+}
+
 }   // NKikimr
diff --git a/ydb/core/metering/bill_record.h b/ydb/core/metering/bill_record.h
index 0c11f708ef..2959f7f29b 100644
--- a/ydb/core/metering/bill_record.h
+++ b/ydb/core/metering/bill_record.h
@@ -1,70 +1,70 @@
-#pragma once 
- 
-#include <library/cpp/json/json_value.h> 
- 
-#include <util/datetime/base.h> 
- 
-namespace NKikimr { 
- 
-struct TBillRecord { 
-#define BILL_RECORD_FIELD_SETTER(type, name) \ 
-    TSelf& name(const type& value) { \ 
-        name##_ = value; \ 
-        return static_cast<TSelf&>(*this); \ 
-    } 
- 
-#define BILL_RECORD_FIELD(type, name) \ 
-    BILL_RECORD_FIELD_SETTER(type, name) \ 
-    type name##_ 
- 
-#define BILL_RECORD_FIELD_DEFAULT(type, name, defaultValue) \ 
-    BILL_RECORD_FIELD_SETTER(type, name) \ 
-    type name##_ = defaultValue 
- 
-    using TSelf = TBillRecord; 
- 
-    struct TUsage { 
-        using TSelf = TUsage; 
- 
-        enum class EType { 
-            Delta /* "delta" */, 
-        }; 
- 
-        enum class EUnit { 
-            RequestUnit /* "request_unit" */, 
-        }; 
- 
-        BILL_RECORD_FIELD(EType, Type); 
-        BILL_RECORD_FIELD(EUnit, Unit); 
-        BILL_RECORD_FIELD(ui64, Quantity); 
-        BILL_RECORD_FIELD(TInstant, Start); 
-        BILL_RECORD_FIELD(TInstant, Finish); 
- 
-        NJson::TJsonMap ToJson() const; 
-        TString ToString() const; 
- 
-    }; // TUsage 
- 
-    BILL_RECORD_FIELD_DEFAULT(TString, Version, "1.0.0"); 
-    BILL_RECORD_FIELD(TString, Id); 
-    BILL_RECORD_FIELD_DEFAULT(TString, Schema, "ydb.serverless.requests.v1"); 
-    BILL_RECORD_FIELD(TString, CloudId); 
-    BILL_RECORD_FIELD(TString, FolderId); 
-    BILL_RECORD_FIELD(TString, ResourceId); 
-    BILL_RECORD_FIELD_DEFAULT(TString, SourceId, "sless-docapi-ydb-ss"); 
-    BILL_RECORD_FIELD(TInstant, SourceWt); 
-    BILL_RECORD_FIELD_DEFAULT(NJson::TJsonMap, Tags, {}); 
-    BILL_RECORD_FIELD(TUsage, Usage); 
- 
-    NJson::TJsonMap ToJson() const; 
-    TString ToString() const; 
- 
-    static TUsage RequestUnits(ui64 quantity, TInstant start, TInstant finish); 
-    static TUsage RequestUnits(ui64 quantity, TInstant now); 
- 
-#undef BILL_RECORD_FIELD_DEFAULT 
-#undef BILL_RECORD_FIELD 
-#undef BILL_RECORD_FIELD_SETTER 
+#pragma once
+
+#include <library/cpp/json/json_value.h>
+
+#include <util/datetime/base.h>
+
+namespace NKikimr {
+
+struct TBillRecord {
+#define BILL_RECORD_FIELD_SETTER(type, name) \
+    TSelf& name(const type& value) { \
+        name##_ = value; \
+        return static_cast<TSelf&>(*this); \
+    }
+
+#define BILL_RECORD_FIELD(type, name) \
+    BILL_RECORD_FIELD_SETTER(type, name) \
+    type name##_
+
+#define BILL_RECORD_FIELD_DEFAULT(type, name, defaultValue) \
+    BILL_RECORD_FIELD_SETTER(type, name) \
+    type name##_ = defaultValue
+
+    using TSelf = TBillRecord;
+
+    struct TUsage {
+        using TSelf = TUsage;
+
+        enum class EType {
+            Delta /* "delta" */,
+        };
+
+        enum class EUnit {
+            RequestUnit /* "request_unit" */,
+        };
+
+        BILL_RECORD_FIELD(EType, Type);
+        BILL_RECORD_FIELD(EUnit, Unit);
+        BILL_RECORD_FIELD(ui64, Quantity);
+        BILL_RECORD_FIELD(TInstant, Start);
+        BILL_RECORD_FIELD(TInstant, Finish);
+
+        NJson::TJsonMap ToJson() const;
+        TString ToString() const;
+
+    }; // TUsage
+
+    BILL_RECORD_FIELD_DEFAULT(TString, Version, "1.0.0");
+    BILL_RECORD_FIELD(TString, Id);
+    BILL_RECORD_FIELD_DEFAULT(TString, Schema, "ydb.serverless.requests.v1");
+    BILL_RECORD_FIELD(TString, CloudId);
+    BILL_RECORD_FIELD(TString, FolderId);
+    BILL_RECORD_FIELD(TString, ResourceId);
+    BILL_RECORD_FIELD_DEFAULT(TString, SourceId, "sless-docapi-ydb-ss");
+    BILL_RECORD_FIELD(TInstant, SourceWt);
+    BILL_RECORD_FIELD_DEFAULT(NJson::TJsonMap, Tags, {});
+    BILL_RECORD_FIELD(TUsage, Usage);
+
+    NJson::TJsonMap ToJson() const;
+    TString ToString() const;
+
+    static TUsage RequestUnits(ui64 quantity, TInstant start, TInstant finish);
+    static TUsage RequestUnits(ui64 quantity, TInstant now);
+
+#undef BILL_RECORD_FIELD_DEFAULT
+#undef BILL_RECORD_FIELD
+#undef BILL_RECORD_FIELD_SETTER
 };
- 
+
 }   // NKikimr
diff --git a/ydb/core/mind/bscontroller/sys_view.cpp b/ydb/core/mind/bscontroller/sys_view.cpp
index f1046f5d93..ba9b50cde0 100644
--- a/ydb/core/mind/bscontroller/sys_view.cpp
+++ b/ydb/core/mind/bscontroller/sys_view.cpp
@@ -522,7 +522,7 @@ void CopyInfo(TDstMap& dst, TDeletedSet& deleted, const TSrcMap& src, TChangedSe
 }
 
 void TBlobStorageController::UpdateSystemViews() {
-    if (!AppData()->FeatureFlags.GetEnableSystemViews()) { 
+    if (!AppData()->FeatureFlags.GetEnableSystemViews()) {
         return;
     }
 
diff --git a/ydb/core/mind/configured_tablet_bootstrapper.cpp b/ydb/core/mind/configured_tablet_bootstrapper.cpp
index 8b57153042..008acd2b40 100644
--- a/ydb/core/mind/configured_tablet_bootstrapper.cpp
+++ b/ydb/core/mind/configured_tablet_bootstrapper.cpp
@@ -11,7 +11,7 @@
 #include <ydb/core/tx/mediator/mediator.h>
 #include <ydb/core/tx/tx_allocator/txallocator.h>
 #include <ydb/core/tx/datashard/datashard.h>
-#include <ydb/core/tx/replication/controller/controller.h> 
+#include <ydb/core/tx/replication/controller/controller.h>
 #include <ydb/core/tx/schemeshard/schemeshard.h>
 #include <ydb/core/tx/sequenceshard/sequenceshard.h>
 #include <ydb/core/keyvalue/keyvalue.h>
@@ -220,9 +220,9 @@ TIntrusivePtr<TTabletSetupInfo> MakeTabletSetupInfo(
     case TTabletTypes::SequenceShard:
         createFunc = &NSequenceShard::CreateSequenceShard;
         break;
-    case TTabletTypes::ReplicationController: 
-        createFunc = &NReplication::CreateController; 
-        break; 
+    case TTabletTypes::ReplicationController:
+        createFunc = &NReplication::CreateController;
+        break;
     default:
         return nullptr;
     }
diff --git a/ydb/core/mind/hive/monitoring.cpp b/ydb/core/mind/hive/monitoring.cpp
index cf81259001..7e9a83b354 100644
--- a/ydb/core/mind/hive/monitoring.cpp
+++ b/ydb/core/mind/hive/monitoring.cpp
@@ -1092,8 +1092,8 @@ public:
             return "TS";
         case TTabletTypes::SequenceShard:
             return "S";
-        case TTabletTypes::ReplicationController: 
-            return "RC"; 
+        case TTabletTypes::ReplicationController:
+            return "RC";
         default:
             return Sprintf("%d", (int)type);
         }
diff --git a/ydb/core/mind/lease_holder.cpp b/ydb/core/mind/lease_holder.cpp
index 1d96b70761..5d47d04c71 100644
--- a/ydb/core/mind/lease_holder.cpp
+++ b/ydb/core/mind/lease_holder.cpp
@@ -232,7 +232,7 @@ private:
 
     void StopNode(const TActorContext &ctx)
     {
-        LOG_ERROR_S(ctx, NKikimrServices::NODE_BROKER, "Stop node upon lease expiration (exit code 2)"); 
+        LOG_ERROR_S(ctx, NKikimrServices::NODE_BROKER, "Stop node upon lease expiration (exit code 2)");
         AppData(ctx)->KikimrShouldContinue->ShouldStop(2);
     }
 
diff --git a/ydb/core/mind/local.cpp b/ydb/core/mind/local.cpp
index 3b11e55f01..09fc15f76d 100644
--- a/ydb/core/mind/local.cpp
+++ b/ydb/core/mind/local.cpp
@@ -945,9 +945,9 @@ class TDomainLocal : public TActorBootstrapped<TDomainLocal> {
     };
 
     struct TTenantInfo {
-        TTenantInfo(const TRegistrationInfo &info, const TSubDomainKey &domainKey) 
+        TTenantInfo(const TRegistrationInfo &info, const TSubDomainKey &domainKey)
             : Info(info)
-            , DomainKey(domainKey) 
+            , DomainKey(domainKey)
         {}
 
         TTenantInfo(const TTenantInfo &other) = default;
@@ -958,7 +958,7 @@ class TDomainLocal : public TActorBootstrapped<TDomainLocal> {
         TActorId Subscriber;
         TVector<TTabletId> HiveIds;
         THashMap<TString, TString> Attributes;
-        TSubDomainKey DomainKey; 
+        TSubDomainKey DomainKey;
     };
 
     TString Domain;
@@ -1006,8 +1006,8 @@ class TDomainLocal : public TActorBootstrapped<TDomainLocal> {
             ev = new TEvLocal::TEvTenantStatus(tenant,
                                                TEvLocal::TEvTenantStatus::STARTED,
                                                it->second.Info.ResourceLimit,
-                                               it->second.Attributes, 
-                                               it->second.DomainKey); 
+                                               it->second.Attributes,
+                                               it->second.DomainKey);
 
         else
             ev = new TEvLocal::TEvTenantStatus(tenant,
@@ -1064,10 +1064,10 @@ class TDomainLocal : public TActorBootstrapped<TDomainLocal> {
                           const TActorContext &ctx)
     {
         Y_VERIFY(!RunningTenants.contains(info.TenantName));
-        const auto domainKey = TSubDomainKey(SchemeRoot, 1); 
-        RunningTenants.emplace(std::make_pair(info.TenantName, TTenantInfo(info, domainKey))); 
+        const auto domainKey = TSubDomainKey(SchemeRoot, 1);
+        RunningTenants.emplace(std::make_pair(info.TenantName, TTenantInfo(info, domainKey)));
         for (auto id : HiveIds) {
-            RegisterLocalNode(info.TenantName, info.ResourceLimit, id, {domainKey}, ctx); 
+            RegisterLocalNode(info.TenantName, info.ResourceLimit, id, {domainKey}, ctx);
 
             LOG_DEBUG_S(ctx, NKikimrServices::LOCAL,
                         LogPrefix << "Binding to hive " << id <<
@@ -1082,10 +1082,10 @@ class TDomainLocal : public TActorBootstrapped<TDomainLocal> {
                              const TActorContext &ctx)
     {
         const auto &domainDesc = rec.GetPathDescription().GetDomainDescription();
-        const auto domainKey = TSubDomainKey(domainDesc.GetDomainKey()); 
+        const auto domainKey = TSubDomainKey(domainDesc.GetDomainKey());
 
         Y_VERIFY(!RunningTenants.contains(task.Info.TenantName));
-        TTenantInfo info(task.Info, domainKey); 
+        TTenantInfo info(task.Info, domainKey);
         for (auto &attr : rec.GetPathDescription().GetUserAttributes())
             info.Attributes.emplace(std::make_pair(attr.GetKey(), attr.GetValue()));
         RunningTenants.emplace(std::make_pair(task.Info.TenantName, info));
@@ -1097,7 +1097,7 @@ class TDomainLocal : public TActorBootstrapped<TDomainLocal> {
                         LogPrefix << "Binding tenant " << task.Info.TenantName
                         << " to hive " << hId
                         << " (allocated resources: " << task.Info.ResourceLimit.ShortDebugString() << ")");
-            RegisterLocalNode(task.Info.TenantName, task.Info.ResourceLimit, hId, {domainKey}, ctx); 
+            RegisterLocalNode(task.Info.TenantName, task.Info.ResourceLimit, hId, {domainKey}, ctx);
         }
     }
 
diff --git a/ydb/core/mind/local.h b/ydb/core/mind/local.h
index e403ccc450..05c9bdc48e 100644
--- a/ydb/core/mind/local.h
+++ b/ydb/core/mind/local.h
@@ -314,7 +314,7 @@ struct TEvLocal {
         NKikimrTabletBase::TMetrics ResourceLimit;
         TString Error;
         THashMap<TString, TString> Attributes;
-        TSubDomainKey DomainKey; 
+        TSubDomainKey DomainKey;
 
         TEvTenantStatus(const TString &tenant, EStatus status)
             : TenantName(tenant)
@@ -330,13 +330,13 @@ struct TEvLocal {
         TEvTenantStatus(const TString &tenant,
                         EStatus status,
                         NKikimrTabletBase::TMetrics resourceLimit,
-                        const THashMap<TString, TString> &attrs, 
-                        const TSubDomainKey &domainKey) 
+                        const THashMap<TString, TString> &attrs,
+                        const TSubDomainKey &domainKey)
             : TenantName(tenant)
             , Status(status)
             , ResourceLimit(resourceLimit)
             , Attributes(attrs)
-            , DomainKey(domainKey) 
+            , DomainKey(domainKey)
         {}
     };
 
diff --git a/ydb/core/mind/node_broker.cpp b/ydb/core/mind/node_broker.cpp
index daf83377c1..a2ef938369 100644
--- a/ydb/core/mind/node_broker.cpp
+++ b/ydb/core/mind/node_broker.cpp
@@ -742,22 +742,22 @@ void TNodeBroker::DbUpdateNodeLease(const TNodeInfo &node,
         .Update<Schema::Nodes::Expire>(Epoch.NextEnd.GetValue());
 }
 
-void TNodeBroker::DbUpdateNodeLocation(const TNodeInfo &node, 
-                                       TTransactionContext &txc) 
-{ 
-    LOG_DEBUG_S(TActorContext::AsActorContext(), NKikimrServices::NODE_BROKER, 
-                "Update node " << node.IdString() << " location in database" 
+void TNodeBroker::DbUpdateNodeLocation(const TNodeInfo &node,
+                                       TTransactionContext &txc)
+{
+    LOG_DEBUG_S(TActorContext::AsActorContext(), NKikimrServices::NODE_BROKER,
+                "Update node " << node.IdString() << " location in database"
                 << " location=" << node.Location.ToString());
- 
-    NIceDb::TNiceDb db(txc.DB); 
+
+    NIceDb::TNiceDb db(txc.DB);
     using T = Schema::Nodes;
     db.Table<T>().Key(node.NodeId).Update<T::Location>(node.Location.GetSerializedLocation());
 
     // to be removed
     const auto& x = node.Location.GetLegacyValue();
     db.Table<T>().Key(node.NodeId).Update<T::DataCenter, T::Room, T::Rack, T::Body>(x.DataCenter, x.Room, x.Rack, x.Body);
-} 
- 
+}
+
 void TNodeBroker::Handle(TEvConsole::TEvConfigNotificationRequest::TPtr &ev,
                          const TActorContext &ctx)
 {
@@ -823,9 +823,9 @@ void TNodeBroker::Handle(TEvNodeBroker::TEvResolveNode::TPtr &ev,
 void TNodeBroker::Handle(TEvNodeBroker::TEvRegistrationRequest::TPtr &ev,
                          const TActorContext &ctx)
 {
-    LOG_TRACE_S(ctx, NKikimrServices::NODE_BROKER, "Handle TEvNodeBroker::TEvRegistrationRequest" 
-        << ": request# " << ev->Get()->Record.ShortDebugString()); 
- 
+    LOG_TRACE_S(ctx, NKikimrServices::NODE_BROKER, "Handle TEvNodeBroker::TEvRegistrationRequest"
+        << ": request# " << ev->Get()->Record.ShortDebugString());
+
     class TRegisterNodeActor : public TActorBootstrapped<TRegisterNodeActor> {
         TEvNodeBroker::TEvRegistrationRequest::TPtr Ev;
         TNodeBroker *Self;
@@ -845,14 +845,14 @@ void TNodeBroker::Handle(TEvNodeBroker::TEvRegistrationRequest::TPtr &ev,
             Become(&TThis::StateFunc);
 
             auto& record = Ev->Get()->Record;
- 
+
             if (record.HasPath()) {
                 auto req = MakeHolder<NSchemeCache::TSchemeCacheNavigate>();
                 auto& rset = req->ResultSet;
                 rset.emplace_back();
                 auto& item = rset.back();
                 item.Path = NKikimr::SplitPath(record.GetPath());
-                item.RedirectRequired = false; 
+                item.RedirectRequired = false;
                 item.Operation = NSchemeCache::TSchemeCacheNavigate::OpPath;
                 ctx.Send(MakeSchemeCacheID(), new TEvTxProxySchemeCache::TEvNavigateKeySet(req), IEventHandle::FlagTrackDelivery, 0);
             } else {
@@ -865,18 +865,18 @@ void TNodeBroker::Handle(TEvNodeBroker::TEvRegistrationRequest::TPtr &ev,
             auto& rset = navigate->ResultSet;
             Y_VERIFY(rset.size() == 1);
             auto& response = rset.front();
- 
-            LOG_TRACE_S(ctx, NKikimrServices::NODE_BROKER, "Handle TEvTxProxySchemeCache::TEvNavigateKeySetResult" 
-                << ": response# " << response.ToString(*AppData()->TypeRegistry)); 
- 
-            if (response.Status == NSchemeCache::TSchemeCacheNavigate::EStatus::Ok && response.DomainInfo) { 
-                ScopeId = {response.DomainInfo->DomainKey.OwnerId, response.DomainInfo->DomainKey.LocalPathId}; 
-            } else { 
-                LOG_WARN_S(ctx, NKikimrServices::NODE_BROKER, "Cannot resolve scope id" 
-                    << ": request# " << Ev->Get()->Record.ShortDebugString() 
-                    << ", response# " << response.ToString(*AppData()->TypeRegistry)); 
+
+            LOG_TRACE_S(ctx, NKikimrServices::NODE_BROKER, "Handle TEvTxProxySchemeCache::TEvNavigateKeySetResult"
+                << ": response# " << response.ToString(*AppData()->TypeRegistry));
+
+            if (response.Status == NSchemeCache::TSchemeCacheNavigate::EStatus::Ok && response.DomainInfo) {
+                ScopeId = {response.DomainInfo->DomainKey.OwnerId, response.DomainInfo->DomainKey.LocalPathId};
+            } else {
+                LOG_WARN_S(ctx, NKikimrServices::NODE_BROKER, "Cannot resolve scope id"
+                    << ": request# " << Ev->Get()->Record.ShortDebugString()
+                    << ", response# " << response.ToString(*AppData()->TypeRegistry));
             }
- 
+
             Finish(ctx);
         }
 
@@ -885,10 +885,10 @@ void TNodeBroker::Handle(TEvNodeBroker::TEvRegistrationRequest::TPtr &ev,
         }
 
         void Finish(const TActorContext& ctx) {
-            LOG_TRACE_S(ctx, NKikimrServices::NODE_BROKER, "Finished resolving scope id" 
-                << ": request# " << Ev->Get()->Record.ShortDebugString() 
-                << ": scope id# " << ScopeIdToString(ScopeId)); 
- 
+            LOG_TRACE_S(ctx, NKikimrServices::NODE_BROKER, "Finished resolving scope id"
+                << ": request# " << Ev->Get()->Record.ShortDebugString()
+                << ": scope id# " << ScopeIdToString(ScopeId));
+
             Self->ProcessTx(Self->CreateTxRegisterNode(Ev, ScopeId), ctx);
             Die(ctx);
         }
diff --git a/ydb/core/mind/node_broker__register_node.cpp b/ydb/core/mind/node_broker__register_node.cpp
index cbf9a16110..b656297837 100644
--- a/ydb/core/mind/node_broker__register_node.cpp
+++ b/ydb/core/mind/node_broker__register_node.cpp
@@ -47,19 +47,19 @@ public:
         LOG_DEBUG(ctx, NKikimrServices::NODE_BROKER, "TTxRegisterNode Execute");
         LOG_DEBUG_S(ctx, NKikimrServices::NODE_BROKER,
                     "Registration request from " << host << ":" << port << " "
-                    << (rec.GetFixedNodeId() ? "(fixed)" : "(not fixed)") << " " 
-                    << "tenant: " << (rec.HasPath() ? rec.GetPath() : "<unspecified>")); 
+                    << (rec.GetFixedNodeId() ? "(fixed)" : "(not fixed)") << " "
+                    << "tenant: " << (rec.HasPath() ? rec.GetPath() : "<unspecified>"));
 
         TNodeLocation loc(rec.GetLocation());
 
         Response = new TEvNodeBroker::TEvRegistrationResponse;
 
-        if (rec.HasPath() && ScopeId == NActors::TScopeId()) { 
-            return Error(TStatus::ERROR, 
-                         TStringBuilder() << "Cannot resolve scope id for path" << rec.GetPath(), 
-                         ctx); 
-        } 
- 
+        if (rec.HasPath() && ScopeId == NActors::TScopeId()) {
+            return Error(TStatus::ERROR,
+                         TStringBuilder() << "Cannot resolve scope id for path" << rec.GetPath(),
+                         ctx);
+        }
+
         // Already registered?
         auto it = Self->Hosts.find(std::make_tuple(host, addr, port));
         if (it != Self->Hosts.end()) {
@@ -82,7 +82,7 @@ public:
                 node.Location = loc;
                 Self->DbUpdateNodeLocation(node, txc);
                 node.LegacyUpdatePending = false;
-            } 
+            }
 
             if (!node.IsFixed() && rec.GetFixedNodeId()) {
                 Self->DbFixNodeId(node, txc);
diff --git a/ydb/core/mind/node_broker_impl.h b/ydb/core/mind/node_broker_impl.h
index f937a5eae5..e3b68b0587 100644
--- a/ydb/core/mind/node_broker_impl.h
+++ b/ydb/core/mind/node_broker_impl.h
@@ -262,8 +262,8 @@ private:
                               TTransactionContext &txc);
     void DbUpdateNodeLease(const TNodeInfo &node,
                            TTransactionContext &txc);
-    void DbUpdateNodeLocation(const TNodeInfo &node, 
-                              TTransactionContext &txc); 
+    void DbUpdateNodeLocation(const TNodeInfo &node,
+                              TTransactionContext &txc);
 
     void Handle(TEvConsole::TEvConfigNotificationRequest::TPtr &ev,
                 const TActorContext &ctx);
diff --git a/ydb/core/mind/tenant_pool.cpp b/ydb/core/mind/tenant_pool.cpp
index b540c28b84..80236570b9 100644
--- a/ydb/core/mind/tenant_pool.cpp
+++ b/ydb/core/mind/tenant_pool.cpp
@@ -43,13 +43,13 @@ struct TDynamicSlotInfo : public TThrRefBase {
 
 struct TTenantInfo : public TThrRefBase {
     using TPtr = TIntrusivePtr<TTenantInfo>;
-    using EState = NKikimrTenantPool::EState; 
+    using EState = NKikimrTenantPool::EState;
 
     TTenantInfo(const TString &name)
         : Name(name)
         , HasStaticSlot(false)
         , LastStatus(TEvLocal::TEvTenantStatus::STOPPED)
-        , State(EState::TENANT_ASSIGNED) 
+        , State(EState::TENANT_ASSIGNED)
     {
     }
 
@@ -103,26 +103,26 @@ struct TTenantInfo : public TThrRefBase {
     NKikimrTabletBase::TMetrics StaticResourceLimit;
     NKikimrTabletBase::TMetrics ResourceLimit;
     TEvLocal::TEvTenantStatus::EStatus LastStatus;
-    EState State; 
+    EState State;
     THashMap<TString, TString> Attributes;
-    TSubDomainKey DomainKey; 
+    TSubDomainKey DomainKey;
 };
 
-struct TTenantSlotBrokerInfo { 
-    ui64 TabletId = 0; 
-    ui64 Generation = 0; 
-    ui64 SeqNo = 0; 
+struct TTenantSlotBrokerInfo {
+    ui64 TabletId = 0;
+    ui64 Generation = 0;
+    ui64 SeqNo = 0;
     TActorId ActorId;
     TActorId Pipe;
-}; 
- 
+};
+
 class TDomainTenantPool : public TActorBootstrapped<TDomainTenantPool> {
     using TActorBase = TActorBootstrapped<TDomainTenantPool>;
 
     TString DomainName;
     TString LogPrefix;
     TActorId LocalID;
-    TTenantSlotBrokerInfo TenantSlotBroker; 
+    TTenantSlotBrokerInfo TenantSlotBroker;
     TTenantPoolConfig::TPtr Config;
     THashMap<TString, TDynamicSlotInfo::TPtr> DynamicSlots;
     THashMap<TString, TTenantInfo::TPtr> Tenants;
@@ -152,7 +152,7 @@ public:
 
     void Die(const TActorContext &ctx) override
     {
-        NTabletPipe::CloseAndForgetClient(SelfId(), TenantSlotBroker.Pipe); 
+        NTabletPipe::CloseAndForgetClient(SelfId(), TenantSlotBroker.Pipe);
         ctx.Send(LocalID, new TEvents::TEvPoisonPill);
 
         TActorBase::Die(ctx);
@@ -160,28 +160,28 @@ public:
 
     void TryToRegister(const TActorContext &ctx)
     {
-        Y_VERIFY(!TenantSlotBroker.Pipe); 
+        Y_VERIFY(!TenantSlotBroker.Pipe);
 
         NTabletPipe::TClientConfig pipeConfig;
         pipeConfig.RetryPolicy = {
             .MinRetryTime = TDuration::MilliSeconds(10),
             .MaxRetryTime = TDuration::Seconds(1),
         };
-        auto pipe = NTabletPipe::CreateClient(ctx.SelfID, TenantSlotBroker.TabletId, pipeConfig); 
-        TenantSlotBroker.Pipe = ctx.ExecutorThread.RegisterActor(pipe); 
+        auto pipe = NTabletPipe::CreateClient(ctx.SelfID, TenantSlotBroker.TabletId, pipeConfig);
+        TenantSlotBroker.Pipe = ctx.ExecutorThread.RegisterActor(pipe);
 
         auto request = MakeHolder<TEvTenantSlotBroker::TEvRegisterPool>();
         ActorIdToProto(TenantSlotBroker.Pipe, request->Record.MutableClientId());
-        request->Record.SetSeqNo(++TenantSlotBroker.SeqNo); 
-        NTabletPipe::SendData(ctx, TenantSlotBroker.Pipe, request.Release()); 
+        request->Record.SetSeqNo(++TenantSlotBroker.SeqNo);
+        NTabletPipe::SendData(ctx, TenantSlotBroker.Pipe, request.Release());
 
         LOG_DEBUG_S(ctx, NKikimrServices::TENANT_POOL,
                     LogPrefix << "try to register in tenant slot broker (pipe "
-                    << TenantSlotBroker.Pipe << ")"); 
+                    << TenantSlotBroker.Pipe << ")");
     }
 
     void HandlePipeDestroyed(const TActorContext &ctx) {
-        NTabletPipe::CloseAndForgetClient(SelfId(), TenantSlotBroker.Pipe); 
+        NTabletPipe::CloseAndForgetClient(SelfId(), TenantSlotBroker.Pipe);
         TryToRegister(ctx);
     }
 
@@ -205,8 +205,8 @@ public:
                 attr.SetKey(pr.first);
                 attr.SetValue(pr.second);
             }
-            status.SetState(slot->AssignedTenant->State); 
-            *status.MutableDomainKey() = NKikimrSubDomains::TDomainKey(slot->AssignedTenant->DomainKey); 
+            status.SetState(slot->AssignedTenant->State);
+            *status.MutableDomainKey() = NKikimrSubDomains::TDomainKey(slot->AssignedTenant->DomainKey);
         }
         status.MutableResourceLimit()->CopyFrom(slot->ResourceLimit);
     }
@@ -361,8 +361,8 @@ public:
                         attr.SetKey(pr.first);
                         attr.SetValue(pr.second);
                     }
-                    slotStatus.SetState(it->second->State); 
-                    *slotStatus.MutableDomainKey() = NKikimrSubDomains::TDomainKey(it->second->DomainKey); 
+                    slotStatus.SetState(it->second->State);
+                    *slotStatus.MutableDomainKey() = NKikimrSubDomains::TDomainKey(it->second->DomainKey);
                 }
             }
         }
@@ -413,7 +413,7 @@ public:
 
         auto domain = AppData(ctx)->DomainsInfo->GetDomainByName(DomainName);
         Y_VERIFY(domain);
-        TenantSlotBroker.TabletId = MakeTenantSlotBrokerID(domain->DefaultStateStorageGroup); 
+        TenantSlotBroker.TabletId = MakeTenantSlotBrokerID(domain->DefaultStateStorageGroup);
 
         for (auto &pr : Config->StaticSlots) {
             TTenantInfo::TPtr tenant = new TTenantInfo(pr.second.GetTenantName());
@@ -535,14 +535,14 @@ public:
         Y_VERIFY(!tenant->HasStaticSlot || ev->Get()->Status == TEvLocal::TEvTenantStatus::STARTED,
                  "Cannot start static tenant %s: %s", ev->Get()->TenantName.data(), ev->Get()->Error.data());
 
-        bool modified = false; 
-        bool processPendingActions = false; 
-        TTenantInfo::EState state = tenant->State; 
+        bool modified = false;
+        bool processPendingActions = false;
+        TTenantInfo::EState state = tenant->State;
         tenant->LastStatus = ev->Get()->Status;
         THashSet<TDynamicSlotInfo::TPtr, TPtrHash> toProcess = tenant->AssignedSlots;
         switch(ev->Get()->Status) {
         case TEvLocal::TEvTenantStatus::STARTED:
-            state = TTenantInfo::EState::TENANT_OK; 
+            state = TTenantInfo::EState::TENANT_OK;
             if (!tenant->HasStaticSlot && !tenant->AssignedSlots.size()) {
                 LOG_DEBUG_S(ctx, NKikimrServices::TENANT_POOL,
                             LogPrefix << "started tenant " << tenant->Name
@@ -558,18 +558,18 @@ public:
                              LogPrefix << "started tenant " << tenant->Name);
                 if (tenant->Attributes != ev->Get()->Attributes) {
                     tenant->Attributes = std::move(ev->Get()->Attributes);
-                    modified = true; 
+                    modified = true;
+                }
+                if (tenant->DomainKey != ev->Get()->DomainKey) {
+                    tenant->DomainKey = ev->Get()->DomainKey;
+                    modified = true;
                 }
-                if (tenant->DomainKey != ev->Get()->DomainKey) { 
-                    tenant->DomainKey = ev->Get()->DomainKey; 
-                    modified = true; 
-                } 
                 SendTenantStatus(tenant, NKikimrTenantPool::SUCCESS, ctx);
-                processPendingActions = true; 
+                processPendingActions = true;
             }
             break;
         case TEvLocal::TEvTenantStatus::STOPPED:
-            state = TTenantInfo::EState::TENANT_OK; 
+            state = TTenantInfo::EState::TENANT_OK;
             if (tenant->AssignedSlots.size()) {
                 LOG_DEBUG_S(ctx, NKikimrServices::TENANT_POOL,
                             LogPrefix << "stopped tenant " << tenant->Name
@@ -581,31 +581,31 @@ public:
             }
             break;
         case TEvLocal::TEvTenantStatus::UNKNOWN_TENANT:
-            modified = true; 
-            state = TTenantInfo::EState::TENANT_UNKNOWN; 
+            modified = true;
+            state = TTenantInfo::EState::TENANT_UNKNOWN;
             LOG_ERROR_S(ctx, NKikimrServices::TENANT_POOL,
                         LogPrefix << "couldn't start unknown tenant "
                         << tenant->Name);
             SendTenantStatus(tenant, NKikimrTenantPool::UNKNOWN_TENANT,
                              ev->Get()->Error, ctx);
             DetachAllSlots(tenant, ctx);
-            processPendingActions = true; 
-            break; 
-        } 
- 
-        if (modified || tenant->State != state) { 
-            tenant->State = state; 
+            processPendingActions = true;
+            break;
+        }
+
+        if (modified || tenant->State != state) {
+            tenant->State = state;
             SendStatusUpdates(ctx);
-        } 
- 
-        if (processPendingActions) { 
+        }
+
+        if (processPendingActions) {
             ProcessPendingActions(toProcess, ctx);
         }
     }
 
     void Handle(TEvTabletPipe::TEvClientConnected::TPtr &ev, const TActorContext &ctx) {
         TEvTabletPipe::TEvClientConnected *msg = ev->Get();
-        if (msg->ClientId != TenantSlotBroker.Pipe) 
+        if (msg->ClientId != TenantSlotBroker.Pipe)
             return;
         if (msg->Status == NKikimrProto::OK)
             return;
@@ -614,7 +614,7 @@ public:
 
     void Handle(TEvTabletPipe::TEvClientDestroyed::TPtr &ev, const TActorContext &ctx) {
         TEvTabletPipe::TEvClientDestroyed *msg = ev->Get();
-        if (msg->ClientId != TenantSlotBroker.Pipe) 
+        if (msg->ClientId != TenantSlotBroker.Pipe)
             return;
         HandlePipeDestroyed(ctx);
     }
@@ -634,7 +634,7 @@ public:
                     LogPrefix << ev->Sender << " configures slot '" << rec.GetSlotId()
                     << "' for tenant '" << rec.GetAssignedTenant() << "'");
 
-        if (ev->Sender != TenantSlotBroker.ActorId) { 
+        if (ev->Sender != TenantSlotBroker.ActorId) {
             LOG_DEBUG_S(ctx, NKikimrServices::TENANT_POOL,
                         LogPrefix << "configure sender " << ev->Sender << " doesn't own pool");
             SendConfigureError(ev, rec.GetSlotId(), NKikimrTenantPool::NOT_OWNER,
@@ -662,37 +662,37 @@ public:
 
     void Handle(TEvTenantPool::TEvTakeOwnership::TPtr &ev, const TActorContext &ctx)
     {
-        const auto& record = ev->Get()->Record; 
-        const bool isOldStyle = !record.HasGeneration() && !record.HasSeqNo(); 
-        const ui64 generation = isOldStyle ? 0 : record.GetGeneration(); 
-        const ui64 seqNo = isOldStyle ? 0 : record.GetSeqNo(); 
- 
-        if (isOldStyle || generation > TenantSlotBroker.Generation || seqNo == TenantSlotBroker.SeqNo) { 
-            if (seqNo == Max<ui64>()) { 
-                NTabletPipe::CloseAndForgetClient(SelfId(), TenantSlotBroker.Pipe); 
-                TryToRegister(ctx); 
- 
-                return; 
-            } else if (!isOldStyle && seqNo != TenantSlotBroker.SeqNo) { 
-                return; 
-            } 
- 
-            TenantSlotBroker.Generation = generation; 
- 
-            if (TenantSlotBroker.ActorId != ev->Sender) { 
-                if (TenantSlotBroker.ActorId) { 
-                    LOG_DEBUG_S(ctx, NKikimrServices::TENANT_POOL, 
-                                LogPrefix << TenantSlotBroker.ActorId << " lost ownership"); 
-                    ctx.Send(TenantSlotBroker.ActorId, new TEvTenantPool::TEvLostOwnership); 
-                } 
- 
-                TenantSlotBroker.ActorId = ev->Sender; 
+        const auto& record = ev->Get()->Record;
+        const bool isOldStyle = !record.HasGeneration() && !record.HasSeqNo();
+        const ui64 generation = isOldStyle ? 0 : record.GetGeneration();
+        const ui64 seqNo = isOldStyle ? 0 : record.GetSeqNo();
+
+        if (isOldStyle || generation > TenantSlotBroker.Generation || seqNo == TenantSlotBroker.SeqNo) {
+            if (seqNo == Max<ui64>()) {
+                NTabletPipe::CloseAndForgetClient(SelfId(), TenantSlotBroker.Pipe);
+                TryToRegister(ctx);
+
+                return;
+            } else if (!isOldStyle && seqNo != TenantSlotBroker.SeqNo) {
+                return;
+            }
+
+            TenantSlotBroker.Generation = generation;
+
+            if (TenantSlotBroker.ActorId != ev->Sender) {
+                if (TenantSlotBroker.ActorId) {
+                    LOG_DEBUG_S(ctx, NKikimrServices::TENANT_POOL,
+                                LogPrefix << TenantSlotBroker.ActorId << " lost ownership");
+                    ctx.Send(TenantSlotBroker.ActorId, new TEvTenantPool::TEvLostOwnership);
+                }
+
+                TenantSlotBroker.ActorId = ev->Sender;
                 LOG_DEBUG_S(ctx, NKikimrServices::TENANT_POOL,
-                            LogPrefix << TenantSlotBroker.ActorId << " took ownership"); 
+                            LogPrefix << TenantSlotBroker.ActorId << " took ownership");
             }
 
-            auto event = BuildStatusEvent(); 
-            ctx.Send(ev->Sender, std::move(event), 0, ev->Cookie); 
+            auto event = BuildStatusEvent();
+            ctx.Send(ev->Sender, std::move(event), 0, ev->Cookie);
         }
     }
 
@@ -711,14 +711,14 @@ public:
             PRE() {
                 str << "Tenant pool for " << DomainName << Endl
                     << "LocalID: " << LocalID << Endl
-                    << "TenantSlotBroker:" << Endl 
-                    << "   TabletId: " << TenantSlotBroker.TabletId << Endl 
-                    << "   Generation: " << TenantSlotBroker.Generation << Endl 
-                    << "   ActorId: " << TenantSlotBroker.ActorId << Endl << Endl; 
+                    << "TenantSlotBroker:" << Endl
+                    << "   TabletId: " << TenantSlotBroker.TabletId << Endl
+                    << "   Generation: " << TenantSlotBroker.Generation << Endl
+                    << "   ActorId: " << TenantSlotBroker.ActorId << Endl << Endl;
 
                 str << "Config:" << Endl
                     << "   IsEnabled: " << Config->IsEnabled << Endl
-                    << "   NodeType: " << Config->NodeType << Endl 
+                    << "   NodeType: " << Config->NodeType << Endl
                     << "   StaticSlotLabel: " << Config->StaticSlotLabel << Endl
                     << "   DynamicSlotLabel: " << Config->DynamicSlotLabel << Endl
                     << "   StaticSlots:" << Endl;
@@ -747,9 +747,9 @@ public:
                         << "   HasStaticSlot: " << pr.second->HasStaticSlot << Endl
                         << "   StaticResourceLimit: " << pr.second->StaticResourceLimit.ShortDebugString() << Endl
                         << "   ResourceLimit: " << pr.second->ResourceLimit.ShortDebugString() << Endl
-                        << "   LastStatus: " << (int)pr.second->LastStatus << Endl 
-                        << "   State: " << (int)pr.second->State << Endl 
-                        << "   DomainKey: " << pr.second->DomainKey << Endl; 
+                        << "   LastStatus: " << (int)pr.second->LastStatus << Endl
+                        << "   State: " << (int)pr.second->State << Endl
+                        << "   DomainKey: " << pr.second->DomainKey << Endl;
 
                     str << "   AssignedSlots:" << Endl;
                     for (auto &slot : pr.second->AssignedSlots)
diff --git a/ydb/core/mind/tenant_pool.h b/ydb/core/mind/tenant_pool.h
index f7c0109460..0202ba7863 100644
--- a/ydb/core/mind/tenant_pool.h
+++ b/ydb/core/mind/tenant_pool.h
@@ -46,15 +46,15 @@ struct TEvTenantPool {
 
     struct TEvConfigureSlotResult : public TEventPB<TEvConfigureSlotResult, NKikimrTenantPool::TConfigureSlotResult, EvConfigureSlotResult> {};
 
-    struct TEvTakeOwnership : public TEventPB<TEvTakeOwnership, NKikimrTenantPool::TTakeOwnership, EvTakeOwnership> { 
-        TEvTakeOwnership() = default; 
-
-        TEvTakeOwnership(ui64 generation, ui64 seqNo = Max<ui64>()) { 
-            Record.SetGeneration(generation); 
-            Record.SetSeqNo(seqNo); 
-        } 
-    }; 
- 
+    struct TEvTakeOwnership : public TEventPB<TEvTakeOwnership, NKikimrTenantPool::TTakeOwnership, EvTakeOwnership> {
+        TEvTakeOwnership() = default;
+
+        TEvTakeOwnership(ui64 generation, ui64 seqNo = Max<ui64>()) {
+            Record.SetGeneration(generation);
+            Record.SetSeqNo(seqNo);
+        }
+    };
+
     struct TEvLostOwnership : public TEventPB<TEvLostOwnership, NKikimrTenantPool::TLostOwnership, EvLostOwnership> {};
 };
 
diff --git a/ydb/core/mind/tenant_slot_broker.cpp b/ydb/core/mind/tenant_slot_broker.cpp
index aa38f9604d..65f7a86328 100644
--- a/ydb/core/mind/tenant_slot_broker.cpp
+++ b/ydb/core/mind/tenant_slot_broker.cpp
@@ -398,10 +398,10 @@ TTenantSlotBroker::TSlot::TPtr TTenantSlotBroker::TFreeSlotsIndex::Find(const TS
     return *it2->second.begin();
 }
 
-ui64 TTenantSlotBroker::Generation() const { 
-    return Executor()->Generation(); 
-} 
- 
+ui64 TTenantSlotBroker::Generation() const {
+    return Executor()->Generation();
+}
+
 void TTenantSlotBroker::OnActivateExecutor(const TActorContext &ctx)
 {
     RequestId = Now().GetValue();
@@ -1692,7 +1692,7 @@ void TTenantSlotBroker::Handle(TEvTenantPool::TEvLostOwnership::TPtr &ev,
     LOG_DEBUG_S(ctx, NKikimrServices::TENANT_SLOT_BROKER,
                 "Re-taking ownership of tenant pool on node " << nodeId);
 
-    ctx.Send(MakeTenantPoolID(nodeId, DomainId), new TEvTenantPool::TEvTakeOwnership(Generation())); 
+    ctx.Send(MakeTenantPoolID(nodeId, DomainId), new TEvTenantPool::TEvTakeOwnership(Generation()));
 }
 
 void TTenantSlotBroker::Handle(TEvTabletPipe::TEvServerConnected::TPtr &ev,
@@ -1769,14 +1769,14 @@ void TTenantSlotBroker::Handle(TEvTenantSlotBroker::TEvListTenants::TPtr &ev,
 void TTenantSlotBroker::Handle(TEvTenantSlotBroker::TEvRegisterPool::TPtr &ev,
                                const TActorContext &ctx)
 {
-    const auto &record = ev->Get()->Record; 
+    const auto &record = ev->Get()->Record;
     auto nodeId = ev->Sender.NodeId();
 
     KnownPoolPipes.insert(ActorIdFromProto(record.GetClientId()));
     *Counters->ConnectedPools = KnownPoolPipes.size();
 
     DisconnectNodeSlots(nodeId, ctx);
-    ctx.Send(ev->Sender, new TEvTenantPool::TEvTakeOwnership(Generation(), record.GetSeqNo())); 
+    ctx.Send(ev->Sender, new TEvTenantPool::TEvTakeOwnership(Generation(), record.GetSeqNo()));
 }
 
 IActor *CreateTenantSlotBroker(const TActorId &tablet,
diff --git a/ydb/core/mind/tenant_slot_broker__load_state.cpp b/ydb/core/mind/tenant_slot_broker__load_state.cpp
index 78321f9c17..345b131ea3 100644
--- a/ydb/core/mind/tenant_slot_broker__load_state.cpp
+++ b/ydb/core/mind/tenant_slot_broker__load_state.cpp
@@ -171,14 +171,14 @@ public:
             LOG_DEBUG_S(ctx, NKikimrServices::TENANT_SLOT_BROKER,
                         "Taking ownership of tenant pool on node " << pr.first);
 
-            ctx.Send(MakeTenantPoolID(pr.first, Self->DomainId), new TEvTenantPool::TEvTakeOwnership(Self->Generation())); 
+            ctx.Send(MakeTenantPoolID(pr.first, Self->DomainId), new TEvTenantPool::TEvTakeOwnership(Self->Generation()));
             ctx.Send(GetNameserviceActorId(), new TEvInterconnect::TEvGetNode(pr.first));
- 
-            for (auto& slot : pr.second) { 
-                const ui64 randomDelay = TAppData::RandomProvider->GenRand64() % Self->PendingTimeout.GetValue(); 
-                const TDuration pendingTimeout = Self->PendingTimeout + TDuration::FromValue(randomDelay); 
-                ctx.Schedule(pendingTimeout, new TEvPrivate::TEvCheckSlotStatus(slot, reqId)); 
-            } 
+
+            for (auto& slot : pr.second) {
+                const ui64 randomDelay = TAppData::RandomProvider->GenRand64() % Self->PendingTimeout.GetValue();
+                const TDuration pendingTimeout = Self->PendingTimeout + TDuration::FromValue(randomDelay);
+                ctx.Schedule(pendingTimeout, new TEvPrivate::TEvCheckSlotStatus(slot, reqId));
+            }
         }
 
         return true;
diff --git a/ydb/core/mind/tenant_slot_broker__scheme.h b/ydb/core/mind/tenant_slot_broker__scheme.h
index 25378f5bea..88b6ba0629 100644
--- a/ydb/core/mind/tenant_slot_broker__scheme.h
+++ b/ydb/core/mind/tenant_slot_broker__scheme.h
@@ -82,10 +82,10 @@ struct Schema : NIceDb::Schema {
         struct SlotId : Column<2, NScheme::NTypeIds::Utf8> {};
         struct TenantName : Column<3, NScheme::NTypeIds::Utf8> {};
         struct Label : Column<4, NScheme::NTypeIds::Utf8> {};
-        struct Deadline : Column<5, NScheme::NTypeIds::Uint64> {}; 
+        struct Deadline : Column<5, NScheme::NTypeIds::Uint64> {};
 
         using TKey = TableKey<NodeId, SlotId>;
-        using TColumns = TableColumns<NodeId, SlotId, TenantName, Label, Deadline>; 
+        using TColumns = TableColumns<NodeId, SlotId, TenantName, Label, Deadline>;
     };
 
     using TTables = SchemaTables<Config, RequiredSlots, Slots, SlotLabels, SlotsAllocations, BannedSlots, PinnedSlots>;
diff --git a/ydb/core/mind/tenant_slot_broker__update_slot_status.cpp b/ydb/core/mind/tenant_slot_broker__update_slot_status.cpp
index 44228a9ef1..73538e38d6 100644
--- a/ydb/core/mind/tenant_slot_broker__update_slot_status.cpp
+++ b/ydb/core/mind/tenant_slot_broker__update_slot_status.cpp
@@ -58,7 +58,7 @@ public:
             LOG_DEBUG_S(ctx, NKikimrServices::TENANT_SLOT_BROKER,
                         "Taking ownership of tenant pool on node " << nodeId);
 
-            ctx.Send(MakeTenantPoolID(nodeId, Self->DomainId), new TEvTenantPool::TEvTakeOwnership(Self->Generation())); 
+            ctx.Send(MakeTenantPoolID(nodeId, Self->DomainId), new TEvTenantPool::TEvTakeOwnership(Self->Generation()));
             return true;
         }
 
@@ -75,10 +75,10 @@ public:
             LOG_ERROR_S(ctx, NKikimrServices::TENANT_SLOT_BROKER, slot->IdString(true)
                         << " cannot be assigned to tenant: " << rec.GetError());
 
-            Modified = false; // prevent infinite loop (attach-detach-attach...) 
-            if (slot->AssignedTenant) { 
-                slot->AssignedTenant->GetAllocation(slot->UsedAs)->DecPending(); 
-            } 
+            Modified = false; // prevent infinite loop (attach-detach-attach...)
+            if (slot->AssignedTenant) {
+                slot->AssignedTenant->GetAllocation(slot->UsedAs)->DecPending();
+            }
             Self->DetachSlotNoConfigure(slot, txc);
             return true;
         }
diff --git a/ydb/core/mind/tenant_slot_broker_impl.h b/ydb/core/mind/tenant_slot_broker_impl.h
index 480a6a28fa..b5e3b107ab 100644
--- a/ydb/core/mind/tenant_slot_broker_impl.h
+++ b/ydb/core/mind/tenant_slot_broker_impl.h
@@ -14,8 +14,8 @@
 #include <library/cpp/actors/core/hfunc.h>
 #include <library/cpp/actors/core/interconnect.h>
 
-#include <util/datetime/base.h> 
-#include <util/generic/map.h> 
+#include <util/datetime/base.h>
+#include <util/generic/map.h>
 #include <util/generic/set.h>
 
 namespace NKikimr {
@@ -502,14 +502,14 @@ private:
     struct TPinnedSlotInfo {
         TString TenantName;
         TString Label;
-        TInstant Deadline; 
+        TInstant Deadline;
+    };
+
+    struct TEnqueuedUnpin {
+        TSlotId SlotId;
+        bool Scheduled;
     };
 
-    struct TEnqueuedUnpin { 
-        TSlotId SlotId; 
-        bool Scheduled; 
-    }; 
- 
     using TSlotSet = THashSet<TSlot::TPtr, TPtrHash>;
 
     class TCollocationGroup : public TThrRefBase {
@@ -912,7 +912,7 @@ public:
 
             ui64 RequestId;
         };
- 
+
     };
 
 private:
@@ -924,7 +924,7 @@ private:
     class TTxLoadState;
     class TTxPinSlot;
     class TTxUnbanSlot;
-    class TTxUnpinSlotImpl; 
+    class TTxUnpinSlotImpl;
     class TTxUnpinSlot;
     class TTxUpdateConfig;
     class TTxUpdateNodeLocation;
@@ -942,8 +942,8 @@ private:
     ITransaction *CreateTxUpdatePoolStatus(TEvTenantPool::TEvTenantPoolStatus::TPtr &ev);
     ITransaction *CreateTxUpdateSlotStatus(TEvTenantPool::TEvConfigureSlotResult::TPtr &ev);
 
- 
-    ui64 Generation() const; 
+
+    ui64 Generation() const;
     void OnActivateExecutor(const TActorContext &ctx) override;
     void OnDetach(const TActorContext &ctx) override;
     void OnTabletDead(TEvTablet::TEvTabletDead::TPtr &ev,
@@ -1163,7 +1163,7 @@ private:
     THashMap<TSlotId, TSlot::TPtr> Slots;
     THashSet<TSlotId> BannedSlots;
     THashMap<TSlotId, TPinnedSlotInfo> PinnedSlots;
-    TMap<TInstant, TEnqueuedUnpin> EnqueuedUnpins; 
+    TMap<TInstant, TEnqueuedUnpin> EnqueuedUnpins;
     // NodeId -> {Slots}
     THashMap<ui32, TSlotSet> SlotsByNodeId;
     TFreeSlotsIndex FreeSlots;
diff --git a/ydb/core/mind/tenant_ut_pool.cpp b/ydb/core/mind/tenant_ut_pool.cpp
index ff36740a90..9ac6b6843c 100644
--- a/ydb/core/mind/tenant_ut_pool.cpp
+++ b/ydb/core/mind/tenant_ut_pool.cpp
@@ -1196,71 +1196,71 @@ Y_UNIT_TEST_SUITE(TTenantPoolTests) {
 
         CheckLabels(counters, TENANT1_1_NAME, "slot-1", attrs, monCfg);
     }
- 
-    void TestState( 
-            const TTenantTestConfig::TStaticSlotConfig& staticSlot, 
-            const TTenantTestConfig::TDynamicSlotConfig& dynamicSlot, 
-            NKikimrTenantPool::EState expected) { 
- 
-        TTenantTestConfig config = { 
-            // Domains {name, schemeshard {{ subdomain_names }}} 
-            {{ {DOMAIN1_NAME, SCHEME_SHARD1_ID, {{ TENANT1_1_NAME }}} }}, 
-            HIVE_ID, // HiveId 
-            true, // FakeTenantSlotBroker 
-            true, // FakeSchemeShard 
-            false, // CreateConsole 
-            {{{ {}, {}, "node-type" }}}, // Nodes 
-            1 // DataCenterCount 
-        }; 
- 
-        if (staticSlot.Tenant) { 
-            config.Nodes.back().TenantPoolConfig.StaticSlots.push_back(staticSlot); 
-        } else if (dynamicSlot.Tenant) { 
-            config.Nodes.back().TenantPoolConfig.DynamicSlots.push_back(dynamicSlot); 
-        } 
- 
+
+    void TestState(
+            const TTenantTestConfig::TStaticSlotConfig& staticSlot,
+            const TTenantTestConfig::TDynamicSlotConfig& dynamicSlot,
+            NKikimrTenantPool::EState expected) {
+
+        TTenantTestConfig config = {
+            // Domains {name, schemeshard {{ subdomain_names }}}
+            {{ {DOMAIN1_NAME, SCHEME_SHARD1_ID, {{ TENANT1_1_NAME }}} }},
+            HIVE_ID, // HiveId
+            true, // FakeTenantSlotBroker
+            true, // FakeSchemeShard
+            false, // CreateConsole
+            {{{ {}, {}, "node-type" }}}, // Nodes
+            1 // DataCenterCount
+        };
+
+        if (staticSlot.Tenant) {
+            config.Nodes.back().TenantPoolConfig.StaticSlots.push_back(staticSlot);
+        } else if (dynamicSlot.Tenant) {
+            config.Nodes.back().TenantPoolConfig.DynamicSlots.push_back(dynamicSlot);
+        }
+
         TTenantTestRuntime runtime(config, {}, false);
- 
+
         const TActorId& sender = runtime.Sender;
         const TActorId tenantPoolRoot = MakeTenantPoolRootID();
         const TActorId tenantPool = MakeTenantPoolID(runtime.GetNodeId(0), 0);
- 
-        using TEvStatus = TEvTenantPool::TEvTenantPoolStatus; 
-        using EState = NKikimrTenantPool::EState; 
- 
-        auto checker = [](auto ev, EState expectedState) { 
-            UNIT_ASSERT(ev->Get()); 
-            UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetSlots(0).GetState(), expectedState); 
-        }; 
- 
-        runtime.CreateTenantPool(0); 
- 
-        // Subscribe on root pool and wait until domain pool started 
-        runtime.Send(new IEventHandle(tenantPoolRoot, sender, new TEvents::TEvSubscribe())); 
-        checker(runtime.GrabEdgeEvent<TEvStatus>(sender), EState::TENANT_ASSIGNED); 
- 
-        // Get status from domain pool 
-        runtime.Send(new IEventHandle(tenantPool, sender, new TEvTenantPool::TEvGetStatus(true))); 
-        checker(runtime.GrabEdgeEvent<TEvStatus>(sender), expected); 
-    } 
- 
-    Y_UNIT_TEST(TestStateStatic) { 
-        TestState({TENANT1_1_NAME, {1, 1, 1}}, {}, NKikimrTenantPool::EState::TENANT_OK); 
-    } 
- 
-    Y_UNIT_TEST(TestStateDynamic) { 
-        TestState({}, {DOMAIN1_SLOT1, SLOT1_TYPE, DOMAIN1_NAME, TENANT1_1_NAME, {1, 1, 1}}, NKikimrTenantPool::EState::TENANT_OK); 
-    } 
- 
-    Y_UNIT_TEST(TestStateDynamicTenantUnknown) { 
-        // After unsuccessful resolve on SS, tenant will be detached from slot, so state is unknown 
-        TestState({}, {DOMAIN1_SLOT1, SLOT1_TYPE, DOMAIN1_NAME, TENANT1_U_NAME, {1, 1, 1}}, NKikimrTenantPool::EState::STATE_UNKNOWN); 
-    } 
+
+        using TEvStatus = TEvTenantPool::TEvTenantPoolStatus;
+        using EState = NKikimrTenantPool::EState;
+
+        auto checker = [](auto ev, EState expectedState) {
+            UNIT_ASSERT(ev->Get());
+            UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetSlots(0).GetState(), expectedState);
+        };
+
+        runtime.CreateTenantPool(0);
+
+        // Subscribe on root pool and wait until domain pool started
+        runtime.Send(new IEventHandle(tenantPoolRoot, sender, new TEvents::TEvSubscribe()));
+        checker(runtime.GrabEdgeEvent<TEvStatus>(sender), EState::TENANT_ASSIGNED);
+
+        // Get status from domain pool
+        runtime.Send(new IEventHandle(tenantPool, sender, new TEvTenantPool::TEvGetStatus(true)));
+        checker(runtime.GrabEdgeEvent<TEvStatus>(sender), expected);
+    }
+
+    Y_UNIT_TEST(TestStateStatic) {
+        TestState({TENANT1_1_NAME, {1, 1, 1}}, {}, NKikimrTenantPool::EState::TENANT_OK);
+    }
+
+    Y_UNIT_TEST(TestStateDynamic) {
+        TestState({}, {DOMAIN1_SLOT1, SLOT1_TYPE, DOMAIN1_NAME, TENANT1_1_NAME, {1, 1, 1}}, NKikimrTenantPool::EState::TENANT_OK);
+    }
+
+    Y_UNIT_TEST(TestStateDynamicTenantUnknown) {
+        // After unsuccessful resolve on SS, tenant will be detached from slot, so state is unknown
+        TestState({}, {DOMAIN1_SLOT1, SLOT1_TYPE, DOMAIN1_NAME, TENANT1_U_NAME, {1, 1, 1}}, NKikimrTenantPool::EState::STATE_UNKNOWN);
+    }
 }
 
 } //namespace NKikimr
- 
-template <> 
-void Out<NKikimrTenantPool::EState>(IOutputStream& o, NKikimrTenantPool::EState x) { 
-    o << NKikimrTenantPool::EState_Name(x); 
-} 
+
+template <>
+void Out<NKikimrTenantPool::EState>(IOutputStream& o, NKikimrTenantPool::EState x) {
+    o << NKikimrTenantPool::EState_Name(x);
+}
diff --git a/ydb/core/mind/ya.make b/ydb/core/mind/ya.make
index 54c1096c0e..b9248c9d91 100644
--- a/ydb/core/mind/ya.make
+++ b/ydb/core/mind/ya.make
@@ -71,7 +71,7 @@ PEERDIR(
     ydb/core/tablet
     ydb/core/tablet_flat
     ydb/core/test_tablet
-    ydb/core/tx/replication/controller 
+    ydb/core/tx/replication/controller
     ydb/core/tx/scheme_board
     ydb/core/tx/scheme_cache
     ydb/core/tx/schemeshard
diff --git a/ydb/core/persqueue/config/config.cpp b/ydb/core/persqueue/config/config.cpp
index bc2f5fbc2b..027fc5e64a 100644
--- a/ydb/core/persqueue/config/config.cpp
+++ b/ydb/core/persqueue/config/config.cpp
@@ -9,37 +9,37 @@ bool CheckPersQueueConfig(const NKikimrPQ::TPQTabletConfig& config, const bool s
             *error = "no PartitionConfig";
         return false;
     }
- 
-    const auto& partitionIds = config.GetPartitionIds(); 
-    const auto& partitions = config.GetPartitions(); 
- 
+
+    const auto& partitionIds = config.GetPartitionIds();
+    const auto& partitions = config.GetPartitions();
+
     if (shouldHavePartitionsList) {
-        if (partitionIds.empty() && partitions.empty()) { 
+        if (partitionIds.empty() && partitions.empty()) {
             if (error)
                 *error = "empty Partitions list";
             return false;
         }
 
         THashSet<ui32> parts;
-        for (const auto partitionId : partitionIds) { 
-            if (!parts.insert(partitionId).second) { 
+        for (const auto partitionId : partitionIds) {
+            if (!parts.insert(partitionId).second) {
+                if (error)
+                    *error = Sprintf("duplicate partitions with id %u", partitionId);
+                return false;
+            }
+        }
+
+        parts.clear();
+        for (const auto& partition : partitions) {
+            const auto partitionId = partition.GetPartitionId();
+            if (!parts.insert(partitionId).second) {
                 if (error)
-                    *error = Sprintf("duplicate partitions with id %u", partitionId); 
+                    *error = Sprintf("duplicate partitions with id %u", partitionId);
                 return false;
             }
         }
- 
-        parts.clear(); 
-        for (const auto& partition : partitions) { 
-            const auto partitionId = partition.GetPartitionId(); 
-            if (!parts.insert(partitionId).second) { 
-                if (error) 
-                    *error = Sprintf("duplicate partitions with id %u", partitionId); 
-                return false; 
-            } 
-        } 
     } else {
-        if (!partitionIds.empty() || !partitions.empty()) { 
+        if (!partitionIds.empty() || !partitions.empty()) {
             if (error)
                 *error = "Partitions list must be empty";
             return false;
@@ -52,7 +52,7 @@ bool CheckPersQueueConfig(const NKikimrPQ::TPQTabletConfig& config, const bool s
             *error = "no lifetimeSeconds specified in TPartitionConfig";
         return false;
     }
- 
+
     return true;
 }
 
diff --git a/ydb/core/persqueue/events/internal.h b/ydb/core/persqueue/events/internal.h
index c84e972c48..bc892988b4 100644
--- a/ydb/core/persqueue/events/internal.h
+++ b/ydb/core/persqueue/events/internal.h
@@ -94,9 +94,9 @@ struct TEvPQ {
         EvUpdateWriteTimestamp,
         EvHandleWriteResponse,
         EvQuotaDeadlineCheck,
-        EvRegisterMessageGroup, 
-        EvDeregisterMessageGroup, 
-        EvSplitMessageGroup, 
+        EvRegisterMessageGroup,
+        EvDeregisterMessageGroup,
+        EvSplitMessageGroup,
         EvUpdateCounters,
         EvMirrorerCounters,
         EvReadLimiterRequest,
@@ -520,66 +520,66 @@ struct TEvPQ {
         TEvQuotaDeadlineCheck()
         {}
     };
- 
-    struct TEvRegisterMessageGroup : TEventLocal<TEvRegisterMessageGroup, EvRegisterMessageGroup> { 
-        struct TBody { 
-            explicit TBody(const TString& sourceId, TMaybe<NKikimrPQ::TPartitionKeyRange>&& keyRange, ui64 seqNo, bool afterSplit) 
-                : SourceId(sourceId) 
-                , KeyRange(std::move(keyRange)) 
-                , SeqNo(seqNo) 
-                , AfterSplit(afterSplit) 
-            {} 
- 
-            TString SourceId; 
-            TMaybe<NKikimrPQ::TPartitionKeyRange> KeyRange; 
-            ui64 SeqNo; 
-            bool AfterSplit; 
-            TMaybe<ui64> AssignedOffset; // will be assigned upon registration 
-        }; 
- 
-        template <typename... Args> 
-        explicit TEvRegisterMessageGroup(ui64 cookie, Args&&... args) 
-            : Cookie(cookie) 
-            , Body(std::forward<Args>(args)...) 
-        {} 
- 
-        const ui64 Cookie; 
-        TBody Body; 
-    }; 
- 
-    struct TEvDeregisterMessageGroup : TEventLocal<TEvDeregisterMessageGroup, EvDeregisterMessageGroup> { 
-        struct TBody { 
-            explicit TBody(const TString& sourceId) 
-                : SourceId(sourceId) 
-            {} 
- 
-            TString SourceId; 
-        }; 
- 
-        template <typename... Args> 
-        explicit TEvDeregisterMessageGroup(ui64 cookie, Args&&... args) 
-            : Cookie(cookie) 
-            , Body(std::forward<Args>(args)...) 
-        {} 
- 
-        const ui64 Cookie; 
-        TBody Body; 
-    }; 
- 
-    struct TEvSplitMessageGroup : TEventLocal<TEvSplitMessageGroup, EvSplitMessageGroup> { 
-        using TRegisterBody = TEvRegisterMessageGroup::TBody; 
-        using TDeregisterBody = TEvDeregisterMessageGroup::TBody; 
- 
-        explicit TEvSplitMessageGroup(ui64 cookie, TVector<TDeregisterBody>&& deregistrations, TVector<TRegisterBody>&& registrations) 
-            : Cookie(cookie) 
-            , Deregistrations(std::move(deregistrations)) 
-            , Registrations(std::move(registrations)) 
-        {} 
- 
-        const ui64 Cookie; 
-        TVector<TDeregisterBody> Deregistrations; 
-        TVector<TRegisterBody> Registrations; 
-    }; 
+
+    struct TEvRegisterMessageGroup : TEventLocal<TEvRegisterMessageGroup, EvRegisterMessageGroup> {
+        struct TBody {
+            explicit TBody(const TString& sourceId, TMaybe<NKikimrPQ::TPartitionKeyRange>&& keyRange, ui64 seqNo, bool afterSplit)
+                : SourceId(sourceId)
+                , KeyRange(std::move(keyRange))
+                , SeqNo(seqNo)
+                , AfterSplit(afterSplit)
+            {}
+
+            TString SourceId;
+            TMaybe<NKikimrPQ::TPartitionKeyRange> KeyRange;
+            ui64 SeqNo;
+            bool AfterSplit;
+            TMaybe<ui64> AssignedOffset; // will be assigned upon registration
+        };
+
+        template <typename... Args>
+        explicit TEvRegisterMessageGroup(ui64 cookie, Args&&... args)
+            : Cookie(cookie)
+            , Body(std::forward<Args>(args)...)
+        {}
+
+        const ui64 Cookie;
+        TBody Body;
+    };
+
+    struct TEvDeregisterMessageGroup : TEventLocal<TEvDeregisterMessageGroup, EvDeregisterMessageGroup> {
+        struct TBody {
+            explicit TBody(const TString& sourceId)
+                : SourceId(sourceId)
+            {}
+
+            TString SourceId;
+        };
+
+        template <typename... Args>
+        explicit TEvDeregisterMessageGroup(ui64 cookie, Args&&... args)
+            : Cookie(cookie)
+            , Body(std::forward<Args>(args)...)
+        {}
+
+        const ui64 Cookie;
+        TBody Body;
+    };
+
+    struct TEvSplitMessageGroup : TEventLocal<TEvSplitMessageGroup, EvSplitMessageGroup> {
+        using TRegisterBody = TEvRegisterMessageGroup::TBody;
+        using TDeregisterBody = TEvDeregisterMessageGroup::TBody;
+
+        explicit TEvSplitMessageGroup(ui64 cookie, TVector<TDeregisterBody>&& deregistrations, TVector<TRegisterBody>&& registrations)
+            : Cookie(cookie)
+            , Deregistrations(std::move(deregistrations))
+            , Registrations(std::move(registrations))
+        {}
+
+        const ui64 Cookie;
+        TVector<TDeregisterBody> Deregistrations;
+        TVector<TRegisterBody> Registrations;
+    };
 
     struct TEvUpdateCounters : public TEventLocal<TEvUpdateCounters, EvUpdateCounters> {
         TEvUpdateCounters()
@@ -618,6 +618,6 @@ struct TEvPQ {
         TEvReaderEventArrived()
         {}
     };
-}; 
+};
 
 } //NKikimr
diff --git a/ydb/core/persqueue/key.h b/ydb/core/persqueue/key.h
index 3c5f065566..098c67cf7d 100644
--- a/ydb/core/persqueue/key.h
+++ b/ydb/core/persqueue/key.h
@@ -22,7 +22,7 @@ public:
     enum EMark : char {
         MarkUserDeprecated = 'u',
         MarkSourceId = 's',
-        MarkProtoSourceId = 'p', 
+        MarkProtoSourceId = 'p',
         MarkUser = 'c'
     };
 
diff --git a/ydb/core/persqueue/partition.cpp b/ydb/core/persqueue/partition.cpp
index 8913c39c6f..cc8e2419cf 100644
--- a/ydb/core/persqueue/partition.cpp
+++ b/ydb/core/persqueue/partition.cpp
@@ -655,21 +655,21 @@ void TPartition::HandleMonitoring(TEvPQ::TEvMonRequest::TPtr& ev, const TActorCo
                         TABLEH() {out << "SeqNo";}
                         TABLEH() {out << "Offset";}
                         TABLEH() {out << "WriteTimestamp";}
-                        TABLEH() {out << "CreateTimestamp";} 
-                        TABLEH() {out << "Explicit";} 
-                        TABLEH() {out << "State";} 
+                        TABLEH() {out << "CreateTimestamp";}
+                        TABLEH() {out << "Explicit";}
+                        TABLEH() {out << "State";}
                     }
                 }
                 TABLEBODY() {
-                    for (const auto& [sourceId, sourceIdInfo]: SourceIdStorage.GetInMemorySourceIds()) { 
+                    for (const auto& [sourceId, sourceIdInfo]: SourceIdStorage.GetInMemorySourceIds()) {
                         TABLER() {
-                            TABLED() {out << EncodeHtmlPcdata(EscapeC(sourceId));} 
-                            TABLED() {out << sourceIdInfo.SeqNo;} 
-                            TABLED() {out << sourceIdInfo.Offset;} 
-                            TABLED() {out << ToStringLocalTimeUpToSeconds(sourceIdInfo.WriteTimestamp);} 
-                            TABLED() {out << ToStringLocalTimeUpToSeconds(sourceIdInfo.CreateTimestamp);} 
-                            TABLED() {out << (sourceIdInfo.Explicit ? "true" : "false");} 
-                            TABLED() {out << sourceIdInfo.State;} 
+                            TABLED() {out << EncodeHtmlPcdata(EscapeC(sourceId));}
+                            TABLED() {out << sourceIdInfo.SeqNo;}
+                            TABLED() {out << sourceIdInfo.Offset;}
+                            TABLED() {out << ToStringLocalTimeUpToSeconds(sourceIdInfo.WriteTimestamp);}
+                            TABLED() {out << ToStringLocalTimeUpToSeconds(sourceIdInfo.CreateTimestamp);}
+                            TABLED() {out << (sourceIdInfo.Explicit ? "true" : "false");}
+                            TABLED() {out << sourceIdInfo.State;}
                         }
                     }
                 }
@@ -1260,11 +1260,11 @@ void TPartition::CancelAllWritesOnIdle(const TActorContext& ctx)
 {
     for (const auto& w : Requests) {
         ReplyError(ctx, w.GetCookie(), NPersQueue::NErrorCode::WRITE_ERROR_DISK_IS_FULL, "Disk is full");
-        if (w.IsWrite()) { 
-            const auto& msg = w.GetWrite().Msg; 
+        if (w.IsWrite()) {
+            const auto& msg = w.GetWrite().Msg;
             Counters.Cumulative()[COUNTER_PQ_WRITE_ERROR].Increment(1);
-            Counters.Cumulative()[COUNTER_PQ_WRITE_BYTES_ERROR].Increment(msg.Data.size() + msg.SourceId.size()); 
-            WriteInflightSize -= msg.Data.size(); 
+            Counters.Cumulative()[COUNTER_PQ_WRITE_BYTES_ERROR].Increment(msg.Data.size() + msg.SourceId.size());
+            WriteInflightSize -= msg.Data.size();
         }
     }
 
@@ -1288,11 +1288,11 @@ void TPartition::FailBadClient(const TActorContext& ctx)
 
     for (const auto& w : Requests) {
         ReplyError(ctx, w.GetCookie(), NPersQueue::NErrorCode::BAD_REQUEST, "previous write request failed");
-        if (w.IsWrite()) { 
-            const auto& msg = w.GetWrite().Msg; 
+        if (w.IsWrite()) {
+            const auto& msg = w.GetWrite().Msg;
             Counters.Cumulative()[COUNTER_PQ_WRITE_ERROR].Increment(1);
-            Counters.Cumulative()[COUNTER_PQ_WRITE_BYTES_ERROR].Increment(msg.Data.size() + msg.SourceId.size()); 
-            WriteInflightSize -= msg.Data.size(); 
+            Counters.Cumulative()[COUNTER_PQ_WRITE_BYTES_ERROR].Increment(msg.Data.size() + msg.SourceId.size());
+            WriteInflightSize -= msg.Data.size();
         }
     }
     UpdateWriteBufferIsFullState(ctx.Now());
@@ -1300,7 +1300,7 @@ void TPartition::FailBadClient(const TActorContext& ctx)
     Requests.clear();
     for (const auto& w : Responses) {
         ReplyError(ctx, w.GetCookie(), NPersQueue::NErrorCode::BAD_REQUEST, "previous write request failed");
-        if (w.IsWrite()) 
+        if (w.IsWrite())
             Counters.Cumulative()[COUNTER_PQ_WRITE_ERROR].Increment(1);
     }
     Counters.Cumulative()[COUNTER_PQ_WRITE_BYTES_ERROR].Increment(WriteNewSize);
@@ -1395,9 +1395,9 @@ void TPartition::HandleInfoRangeRead(const NKikimrClient::TKeyValueResponse::TRe
 
                 key = &pair.GetKey();
                 if ((*key)[TKeyPrefix::MarkPosition()] == TKeyPrefix::MarkSourceId) {
-                    SourceIdStorage.LoadSourceIdInfo(*key, pair.GetValue(), ctx.Now()); 
-                } else if ((*key)[TKeyPrefix::MarkPosition()] == TKeyPrefix::MarkProtoSourceId) { 
-                    SourceIdStorage.LoadSourceIdInfo(*key, pair.GetValue(), ctx.Now()); 
+                    SourceIdStorage.LoadSourceIdInfo(*key, pair.GetValue(), ctx.Now());
+                } else if ((*key)[TKeyPrefix::MarkPosition()] == TKeyPrefix::MarkProtoSourceId) {
+                    SourceIdStorage.LoadSourceIdInfo(*key, pair.GetValue(), ctx.Now());
                 } else if ((*key)[TKeyPrefix::MarkPosition()] == TKeyPrefix::MarkUser) {
                     UsersInfoStorage.Parse(*key, pair.GetValue(), ctx);
                 } else if ((*key)[TKeyPrefix::MarkPosition()] == TKeyPrefix::MarkUserDeprecated) {
@@ -1725,7 +1725,7 @@ void TPartition::ProcessChangeOwnerRequest(TAutoPtr<TEvPQ::TEvChangeOwner> ev, c
 
         it->second.GenerateCookie(owner, ev->PipeClient, ev->Sender, TopicName, Partition, ctx);//will change OwnerCookie
         //cookie is generated. but answer will be sent when all inflight writes will be done - they in the same queue 'Requests'
-        Requests.emplace_back(TOwnershipMsg{ev->Cookie, it->second.OwnerCookie}, WriteQuota.GetQuotedTime(), ctx.Now().MilliSeconds(), 0); 
+        Requests.emplace_back(TOwnershipMsg{ev->Cookie, it->second.OwnerCookie}, WriteQuota.GetQuotedTime(), ctx.Now().MilliSeconds(), 0);
 
         Counters.Simple()[COUNTER_PQ_TABLET_RESERVED_BYTES_SIZE].Set(ReservedSize);
         UpdateWriteBufferIsFullState(ctx.Now());
@@ -1978,7 +1978,7 @@ void TPartition::Handle(TEvPQ::TEvPartitionStatus::TPtr& ev, const TActorContext
     result.SetAvgQuotaSpeedPerHour(AvgQuotaBytes[2].GetValue());
     result.SetAvgQuotaSpeedPerDay(AvgQuotaBytes[3].GetValue());
 
-    result.SetSourceIdCount(SourceIdStorage.GetInMemorySourceIds().size()); 
+    result.SetSourceIdCount(SourceIdStorage.GetInMemorySourceIds().size());
     result.SetSourceIdRetentionPeriodSec((ctx.Now() - SourceIdStorage.MinAvailableTimestamp(ctx.Now())).Seconds());
 
     result.SetWriteBytesQuota(WriteQuota.GetTotalSpeed());
@@ -2171,33 +2171,33 @@ void TPartition::ProcessUserActs(TUserInfo& userInfo, const TActorContext& ctx)
 }
 
 void TPartition::Handle(TEvPQ::TEvGetMaxSeqNoRequest::TPtr& ev, const TActorContext& ctx) {
-    auto response = MakeHolder<TEvPQ::TEvProxyResponse>(ev->Get()->Cookie); 
+    auto response = MakeHolder<TEvPQ::TEvProxyResponse>(ev->Get()->Cookie);
     NKikimrClient::TResponse& resp = response->Response;
 
     resp.SetStatus(NMsgBusProxy::MSTATUS_OK);
     resp.SetErrorCode(NPersQueue::NErrorCode::OK);
 
-    auto& result = *resp.MutablePartitionResponse()->MutableCmdGetMaxSeqNoResult(); 
-    for (const auto& sourceId : ev->Get()->SourceIds) { 
-        auto& protoInfo = *result.AddSourceIdInfo(); 
-        protoInfo.SetSourceId(sourceId); 
- 
-        auto it = SourceIdStorage.GetInMemorySourceIds().find(sourceId); 
-        if (it == SourceIdStorage.GetInMemorySourceIds().end()) { 
-            continue; 
-        }
- 
-        const auto& memInfo = it->second; 
-        Y_VERIFY(memInfo.Offset <= (ui64)Max<i64>(), "Offset is too big: %" PRIu64, memInfo.Offset); 
-        Y_VERIFY(memInfo.SeqNo <= (ui64)Max<i64>(), "SeqNo is too big: %" PRIu64, memInfo.SeqNo); 
- 
-        protoInfo.SetSeqNo(memInfo.SeqNo); 
-        protoInfo.SetOffset(memInfo.Offset); 
-        protoInfo.SetWriteTimestampMS(memInfo.WriteTimestamp.MilliSeconds()); 
-        protoInfo.SetExplicit(memInfo.Explicit); 
-        protoInfo.SetState(TSourceIdInfo::ConvertState(memInfo.State)); 
-    }
- 
+    auto& result = *resp.MutablePartitionResponse()->MutableCmdGetMaxSeqNoResult();
+    for (const auto& sourceId : ev->Get()->SourceIds) {
+        auto& protoInfo = *result.AddSourceIdInfo();
+        protoInfo.SetSourceId(sourceId);
+
+        auto it = SourceIdStorage.GetInMemorySourceIds().find(sourceId);
+        if (it == SourceIdStorage.GetInMemorySourceIds().end()) {
+            continue;
+        }
+
+        const auto& memInfo = it->second;
+        Y_VERIFY(memInfo.Offset <= (ui64)Max<i64>(), "Offset is too big: %" PRIu64, memInfo.Offset);
+        Y_VERIFY(memInfo.SeqNo <= (ui64)Max<i64>(), "SeqNo is too big: %" PRIu64, memInfo.SeqNo);
+
+        protoInfo.SetSeqNo(memInfo.SeqNo);
+        protoInfo.SetOffset(memInfo.Offset);
+        protoInfo.SetWriteTimestampMS(memInfo.WriteTimestamp.MilliSeconds());
+        protoInfo.SetExplicit(memInfo.Explicit);
+        protoInfo.SetState(TSourceIdInfo::ConvertState(memInfo.State));
+    }
+
     ctx.Send(Tablet, response.Release());
 }
 
@@ -2689,9 +2689,9 @@ void TPartition::AnswerCurrentWrites(const TActorContext& ctx)
         const ui64 quotedTime = Responses.front().QuotedTime;
         const ui64 queueTime = Responses.front().QueueTime;
         const ui64 writeTime = ctx.Now().MilliSeconds() - Responses.front().WriteTime;
- 
-        if (Responses.front().IsWrite()) { 
-            const auto& writeResponse = Responses.front().GetWrite(); 
+
+        if (Responses.front().IsWrite()) {
+            const auto& writeResponse = Responses.front().GetWrite();
             const TString& s = writeResponse.Msg.SourceId;
             const ui64& seqNo = writeResponse.Msg.SeqNo;
             const ui16& partNo = writeResponse.Msg.PartNo;
@@ -2720,12 +2720,12 @@ void TPartition::AnswerCurrentWrites(const TActorContext& ctx)
                 }
             }
             if (!already && partNo + 1 == totalParts) {
-                if (it == SourceIdStorage.GetInMemorySourceIds().end()) { 
+                if (it == SourceIdStorage.GetInMemorySourceIds().end()) {
                     Counters.Cumulative()[COUNTER_PQ_SID_CREATED].Increment(1);
-                    SourceIdStorage.RegisterSourceId(s, writeResponse.Msg.SeqNo, offset, CurrentTimestamp); 
-                } else { 
-                    SourceIdStorage.RegisterSourceId(s, it->second.Updated(writeResponse.Msg.SeqNo, offset, CurrentTimestamp)); 
-                } 
+                    SourceIdStorage.RegisterSourceId(s, writeResponse.Msg.SeqNo, offset, CurrentTimestamp);
+                } else {
+                    SourceIdStorage.RegisterSourceId(s, it->second.Updated(writeResponse.Msg.SeqNo, offset, CurrentTimestamp));
+                }
 
                 Counters.Cumulative()[COUNTER_PQ_WRITE_OK].Increment(1);
             }
@@ -2746,50 +2746,50 @@ void TPartition::AnswerCurrentWrites(const TActorContext& ctx)
 
             if (!already && partNo + 1 == totalParts)
                 ++offset;
-        } else if (Responses.front().IsOwnership()) { 
-            const TString& ownerCookie = Responses.front().GetOwnership().OwnerCookie; 
+        } else if (Responses.front().IsOwnership()) {
+            const TString& ownerCookie = Responses.front().GetOwnership().OwnerCookie;
             auto it = Owners.find(TOwnerInfo::GetOwnerFromOwnerCookie(ownerCookie));
             if (it != Owners.end() && it->second.OwnerCookie == ownerCookie) {
                 ReplyOwnerOk(ctx, Responses.front().GetCookie(), ownerCookie);
             } else {
                 ReplyError(ctx, Responses.front().GetCookie(), NPersQueue::NErrorCode::WRONG_COOKIE, "new GetOwnership request is dropped already");
             }
-        } else if (Responses.front().IsRegisterMessageGroup()) { 
-            const auto& body = Responses.front().GetRegisterMessageGroup().Body; 
- 
-            TMaybe<TPartitionKeyRange> keyRange; 
-            if (body.KeyRange) { 
-                keyRange = TPartitionKeyRange::Parse(*body.KeyRange); 
-            } 
- 
-            Y_VERIFY(body.AssignedOffset); 
-            SourceIdStorage.RegisterSourceId(body.SourceId, body.SeqNo, *body.AssignedOffset, CurrentTimestamp, std::move(keyRange)); 
-            ReplyOk(ctx, Responses.front().GetCookie()); 
-        } else if (Responses.front().IsDeregisterMessageGroup()) { 
-            const auto& body = Responses.front().GetDeregisterMessageGroup().Body; 
- 
-            SourceIdStorage.DeregisterSourceId(body.SourceId); 
-            ReplyOk(ctx, Responses.front().GetCookie()); 
-        } else if (Responses.front().IsSplitMessageGroup()) { 
-            const auto& split = Responses.front().GetSplitMessageGroup(); 
- 
-            for (const auto& body : split.Deregistrations) { 
-                SourceIdStorage.DeregisterSourceId(body.SourceId); 
-            } 
- 
-            for (const auto& body : split.Registrations) { 
-                TMaybe<TPartitionKeyRange> keyRange; 
-                if (body.KeyRange) { 
-                    keyRange = TPartitionKeyRange::Parse(*body.KeyRange); 
-                } 
- 
-                Y_VERIFY(body.AssignedOffset); 
-                SourceIdStorage.RegisterSourceId(body.SourceId, body.SeqNo, *body.AssignedOffset, CurrentTimestamp, std::move(keyRange), true); 
-            } 
- 
-            ReplyOk(ctx, Responses.front().GetCookie()); 
-        } else { 
-            Y_FAIL("Unexpected message"); 
+        } else if (Responses.front().IsRegisterMessageGroup()) {
+            const auto& body = Responses.front().GetRegisterMessageGroup().Body;
+
+            TMaybe<TPartitionKeyRange> keyRange;
+            if (body.KeyRange) {
+                keyRange = TPartitionKeyRange::Parse(*body.KeyRange);
+            }
+
+            Y_VERIFY(body.AssignedOffset);
+            SourceIdStorage.RegisterSourceId(body.SourceId, body.SeqNo, *body.AssignedOffset, CurrentTimestamp, std::move(keyRange));
+            ReplyOk(ctx, Responses.front().GetCookie());
+        } else if (Responses.front().IsDeregisterMessageGroup()) {
+            const auto& body = Responses.front().GetDeregisterMessageGroup().Body;
+
+            SourceIdStorage.DeregisterSourceId(body.SourceId);
+            ReplyOk(ctx, Responses.front().GetCookie());
+        } else if (Responses.front().IsSplitMessageGroup()) {
+            const auto& split = Responses.front().GetSplitMessageGroup();
+
+            for (const auto& body : split.Deregistrations) {
+                SourceIdStorage.DeregisterSourceId(body.SourceId);
+            }
+
+            for (const auto& body : split.Registrations) {
+                TMaybe<TPartitionKeyRange> keyRange;
+                if (body.KeyRange) {
+                    keyRange = TPartitionKeyRange::Parse(*body.KeyRange);
+                }
+
+                Y_VERIFY(body.AssignedOffset);
+                SourceIdStorage.RegisterSourceId(body.SourceId, body.SeqNo, *body.AssignedOffset, CurrentTimestamp, std::move(keyRange), true);
+            }
+
+            ReplyOk(ctx, Responses.front().GetCookie());
+        } else {
+            Y_FAIL("Unexpected message");
         }
         Responses.pop_front();
     }
@@ -3204,10 +3204,10 @@ void TPartition::ReportLabeledCounters(const TActorContext& ctx)
     }
     //Partition counters
     bool haveChanges = false;
-    if (SourceIdStorage.GetInMemorySourceIds().size() != PartitionLabeledCounters.GetCounters()[METRIC_MAX_NUM_SIDS].Get()) { 
+    if (SourceIdStorage.GetInMemorySourceIds().size() != PartitionLabeledCounters.GetCounters()[METRIC_MAX_NUM_SIDS].Get()) {
         haveChanges = true;
-        PartitionLabeledCounters.GetCounters()[METRIC_MAX_NUM_SIDS].Set(SourceIdStorage.GetInMemorySourceIds().size()); 
-        PartitionLabeledCounters.GetCounters()[METRIC_NUM_SIDS].Set(SourceIdStorage.GetInMemorySourceIds().size()); 
+        PartitionLabeledCounters.GetCounters()[METRIC_MAX_NUM_SIDS].Set(SourceIdStorage.GetInMemorySourceIds().size());
+        PartitionLabeledCounters.GetCounters()[METRIC_NUM_SIDS].Set(SourceIdStorage.GetInMemorySourceIds().size());
     }
 
     TDuration lifetimeNow = ctx.Now() - SourceIdStorage.MinAvailableTimestamp(ctx.Now());
@@ -3656,7 +3656,7 @@ void TPartition::HandleOnWrite(TEvPQ::TEvWrite::TPtr& ev, const TActorContext& c
     for (auto& msg: ev->Get()->Msgs) {
         size += msg.Data.size();
         bool needToChangeOffset = msg.PartNo + 1 == msg.TotalParts;
-        Requests.emplace_back(TWriteMsg{ev->Get()->Cookie, offset, std::move(msg)}, WriteQuota.GetQuotedTime(), ctx.Now().MilliSeconds(), 0); 
+        Requests.emplace_back(TWriteMsg{ev->Get()->Cookie, offset, std::move(msg)}, WriteQuota.GetQuotedTime(), ctx.Now().MilliSeconds(), 0);
         if (offset && needToChangeOffset)
             ++*offset;
     }
@@ -3668,100 +3668,100 @@ void TPartition::HandleOnWrite(TEvPQ::TEvWrite::TPtr& ev, const TActorContext& c
     UpdateWriteBufferIsFullState(ctx.Now());
 }
 
-void TPartition::HandleOnIdle(TEvPQ::TEvRegisterMessageGroup::TPtr& ev, const TActorContext& ctx) { 
-    HandleOnWrite(ev, ctx); 
-    HandleWrites(ctx); 
-} 
- 
-void TPartition::HandleOnWrite(TEvPQ::TEvRegisterMessageGroup::TPtr& ev, const TActorContext& ctx) { 
-    const auto& body = ev->Get()->Body; 
- 
-    auto it = SourceIdStorage.GetInMemorySourceIds().find(body.SourceId); 
-    if (it != SourceIdStorage.GetInMemorySourceIds().end()) { 
-        if (!it->second.Explicit) { 
-            return ReplyError(ctx, ev->Get()->Cookie, NPersQueue::NErrorCode::BAD_REQUEST, 
-                "Trying to register implicitly registered SourceId"); 
-        } 
- 
-        switch (it->second.State) { 
-        case TSourceIdInfo::EState::Registered: 
-            return ReplyOk(ctx, ev->Get()->Cookie); 
-        case TSourceIdInfo::EState::PendingRegistration: 
-            if (!body.AfterSplit) { 
-                return ReplyError(ctx, ev->Get()->Cookie, NPersQueue::NErrorCode::BAD_REQUEST, 
-                    "AfterSplit must be set"); 
-            } 
-            break; 
-        default: 
-            return ReplyError(ctx, ev->Get()->Cookie, NPersQueue::NErrorCode::ERROR, 
-                TStringBuilder() << "Unknown state: " << static_cast<ui32>(it->second.State)); 
-        } 
-    } else if (body.AfterSplit) { 
-        return ReplyError(ctx, ev->Get()->Cookie, NPersQueue::NErrorCode::BAD_REQUEST, 
-            "SourceId not found, registration cannot be completed"); 
-    } 
- 
-    WriteQuota.Update(ctx.Now()); 
-    Requests.emplace_back(TRegisterMessageGroupMsg(*ev->Get()), WriteQuota.GetQuotedTime(), ctx.Now().MilliSeconds(), 0); 
-} 
- 
-void TPartition::HandleOnIdle(TEvPQ::TEvDeregisterMessageGroup::TPtr& ev, const TActorContext& ctx) { 
-    HandleOnWrite(ev, ctx); 
-    HandleWrites(ctx); 
-} 
- 
-void TPartition::HandleOnWrite(TEvPQ::TEvDeregisterMessageGroup::TPtr& ev, const TActorContext& ctx) { 
-    const auto& body = ev->Get()->Body; 
- 
-    auto it = SourceIdStorage.GetInMemorySourceIds().find(body.SourceId); 
-    if (it == SourceIdStorage.GetInMemorySourceIds().end()) { 
-        return ReplyError(ctx, ev->Get()->Cookie, NPersQueue::NErrorCode::SOURCEID_DELETED, 
-            "SourceId doesn't exist"); 
-    } 
- 
-    WriteQuota.Update(ctx.Now()); 
-    Requests.emplace_back(TDeregisterMessageGroupMsg(*ev->Get()), WriteQuota.GetQuotedTime(), ctx.Now().MilliSeconds(), 0); 
-} 
- 
-void TPartition::HandleOnIdle(TEvPQ::TEvSplitMessageGroup::TPtr& ev, const TActorContext& ctx) { 
-    HandleOnWrite(ev, ctx); 
-    HandleWrites(ctx); 
-} 
- 
-void TPartition::HandleOnWrite(TEvPQ::TEvSplitMessageGroup::TPtr& ev, const TActorContext& ctx) { 
-    if (ev->Get()->Deregistrations.size() > 1) { 
-        return ReplyError(ctx, ev->Get()->Cookie, NPersQueue::NErrorCode::BAD_REQUEST, 
-            TStringBuilder() << "Currently, single deregistrations are supported"); 
-    } 
- 
-    TSplitMessageGroupMsg msg(ev->Get()->Cookie); 
- 
-    for (auto& body : ev->Get()->Deregistrations) { 
-        auto it = SourceIdStorage.GetInMemorySourceIds().find(body.SourceId); 
-        if (it != SourceIdStorage.GetInMemorySourceIds().end()) { 
-            msg.Deregistrations.push_back(std::move(body)); 
-        } else { 
-            return ReplyError(ctx, ev->Get()->Cookie, NPersQueue::NErrorCode::SOURCEID_DELETED, 
-                "SourceId doesn't exist"); 
-        } 
-    } 
- 
-    for (auto& body : ev->Get()->Registrations) { 
-        auto it = SourceIdStorage.GetInMemorySourceIds().find(body.SourceId); 
-        if (it == SourceIdStorage.GetInMemorySourceIds().end()) { 
-            msg.Registrations.push_back(std::move(body)); 
-        } else { 
-            if (!it->second.Explicit) { 
-                return ReplyError(ctx, ev->Get()->Cookie, NPersQueue::NErrorCode::BAD_REQUEST, 
-                    "Trying to register implicitly registered SourceId"); 
-            } 
-        } 
-    } 
- 
-    WriteQuota.Update(ctx.Now()); 
-    Requests.emplace_back(std::move(msg), WriteQuota.GetQuotedTime(), ctx.Now().MilliSeconds(), 0); 
-} 
- 
+void TPartition::HandleOnIdle(TEvPQ::TEvRegisterMessageGroup::TPtr& ev, const TActorContext& ctx) {
+    HandleOnWrite(ev, ctx);
+    HandleWrites(ctx);
+}
+
+void TPartition::HandleOnWrite(TEvPQ::TEvRegisterMessageGroup::TPtr& ev, const TActorContext& ctx) {
+    const auto& body = ev->Get()->Body;
+
+    auto it = SourceIdStorage.GetInMemorySourceIds().find(body.SourceId);
+    if (it != SourceIdStorage.GetInMemorySourceIds().end()) {
+        if (!it->second.Explicit) {
+            return ReplyError(ctx, ev->Get()->Cookie, NPersQueue::NErrorCode::BAD_REQUEST,
+                "Trying to register implicitly registered SourceId");
+        }
+
+        switch (it->second.State) {
+        case TSourceIdInfo::EState::Registered:
+            return ReplyOk(ctx, ev->Get()->Cookie);
+        case TSourceIdInfo::EState::PendingRegistration:
+            if (!body.AfterSplit) {
+                return ReplyError(ctx, ev->Get()->Cookie, NPersQueue::NErrorCode::BAD_REQUEST,
+                    "AfterSplit must be set");
+            }
+            break;
+        default:
+            return ReplyError(ctx, ev->Get()->Cookie, NPersQueue::NErrorCode::ERROR,
+                TStringBuilder() << "Unknown state: " << static_cast<ui32>(it->second.State));
+        }
+    } else if (body.AfterSplit) {
+        return ReplyError(ctx, ev->Get()->Cookie, NPersQueue::NErrorCode::BAD_REQUEST,
+            "SourceId not found, registration cannot be completed");
+    }
+
+    WriteQuota.Update(ctx.Now());
+    Requests.emplace_back(TRegisterMessageGroupMsg(*ev->Get()), WriteQuota.GetQuotedTime(), ctx.Now().MilliSeconds(), 0);
+}
+
+void TPartition::HandleOnIdle(TEvPQ::TEvDeregisterMessageGroup::TPtr& ev, const TActorContext& ctx) {
+    HandleOnWrite(ev, ctx);
+    HandleWrites(ctx);
+}
+
+void TPartition::HandleOnWrite(TEvPQ::TEvDeregisterMessageGroup::TPtr& ev, const TActorContext& ctx) {
+    const auto& body = ev->Get()->Body;
+
+    auto it = SourceIdStorage.GetInMemorySourceIds().find(body.SourceId);
+    if (it == SourceIdStorage.GetInMemorySourceIds().end()) {
+        return ReplyError(ctx, ev->Get()->Cookie, NPersQueue::NErrorCode::SOURCEID_DELETED,
+            "SourceId doesn't exist");
+    }
+
+    WriteQuota.Update(ctx.Now());
+    Requests.emplace_back(TDeregisterMessageGroupMsg(*ev->Get()), WriteQuota.GetQuotedTime(), ctx.Now().MilliSeconds(), 0);
+}
+
+void TPartition::HandleOnIdle(TEvPQ::TEvSplitMessageGroup::TPtr& ev, const TActorContext& ctx) {
+    HandleOnWrite(ev, ctx);
+    HandleWrites(ctx);
+}
+
+void TPartition::HandleOnWrite(TEvPQ::TEvSplitMessageGroup::TPtr& ev, const TActorContext& ctx) {
+    if (ev->Get()->Deregistrations.size() > 1) {
+        return ReplyError(ctx, ev->Get()->Cookie, NPersQueue::NErrorCode::BAD_REQUEST,
+            TStringBuilder() << "Currently, single deregistrations are supported");
+    }
+
+    TSplitMessageGroupMsg msg(ev->Get()->Cookie);
+
+    for (auto& body : ev->Get()->Deregistrations) {
+        auto it = SourceIdStorage.GetInMemorySourceIds().find(body.SourceId);
+        if (it != SourceIdStorage.GetInMemorySourceIds().end()) {
+            msg.Deregistrations.push_back(std::move(body));
+        } else {
+            return ReplyError(ctx, ev->Get()->Cookie, NPersQueue::NErrorCode::SOURCEID_DELETED,
+                "SourceId doesn't exist");
+        }
+    }
+
+    for (auto& body : ev->Get()->Registrations) {
+        auto it = SourceIdStorage.GetInMemorySourceIds().find(body.SourceId);
+        if (it == SourceIdStorage.GetInMemorySourceIds().end()) {
+            msg.Registrations.push_back(std::move(body));
+        } else {
+            if (!it->second.Explicit) {
+                return ReplyError(ctx, ev->Get()->Cookie, NPersQueue::NErrorCode::BAD_REQUEST,
+                    "Trying to register implicitly registered SourceId");
+            }
+        }
+    }
+
+    WriteQuota.Update(ctx.Now());
+    Requests.emplace_back(std::move(msg), WriteQuota.GetQuotedTime(), ctx.Now().MilliSeconds(), 0);
+}
+
 std::pair<TKey, ui32> TPartition::Compact(const TKey& key, const ui32 size, bool headCleared)
 {
     std::pair<TKey, ui32> res({key, size});
@@ -3944,7 +3944,7 @@ void TPartition::ClearOldHead(const ui64 offset, const ui16 partNo, TEvKeyValue:
 }
 
 
-void TPartition::CancelAllWritesOnWrite(const TActorContext& ctx, TEvKeyValue::TEvRequest* request, const TString& errorStr, const TWriteMsg& p, TSourceIdWriter& sourceIdWriter, NPersQueue::NErrorCode::EErrorCode errorCode = NPersQueue::NErrorCode::BAD_REQUEST) { 
+void TPartition::CancelAllWritesOnWrite(const TActorContext& ctx, TEvKeyValue::TEvRequest* request, const TString& errorStr, const TWriteMsg& p, TSourceIdWriter& sourceIdWriter, NPersQueue::NErrorCode::EErrorCode errorCode = NPersQueue::NErrorCode::BAD_REQUEST) {
     ReplyError(ctx, p.Cookie, errorCode, errorStr);
     Counters.Cumulative()[COUNTER_PQ_WRITE_ERROR].Increment(1);
     Counters.Cumulative()[COUNTER_PQ_WRITE_BYTES_ERROR].Increment(p.Msg.Data.size() + p.Msg.SourceId.size());
@@ -3989,47 +3989,47 @@ bool TPartition::AppendHeadWithNewWrites(TEvKeyValue::TEvRequest* request, const
     while (!Requests.empty() && WriteCycleSize < MAX_WRITE_CYCLE_SIZE) { //head is not too big
         auto pp = Requests.front();
         Requests.pop_front();
- 
-        if (!pp.IsWrite()) { 
-            if (pp.IsRegisterMessageGroup()) { 
-                auto& body = pp.GetRegisterMessageGroup().Body; 
- 
-                TMaybe<TPartitionKeyRange> keyRange; 
-                if (body.KeyRange) { 
-                    keyRange = TPartitionKeyRange::Parse(*body.KeyRange); 
-                } 
- 
-                body.AssignedOffset = curOffset; 
-                sourceIdWriter.RegisterSourceId(body.SourceId, body.SeqNo, curOffset, CurrentTimestamp, std::move(keyRange)); 
-            } else if (pp.IsDeregisterMessageGroup()) { 
-                sourceIdWriter.DeregisterSourceId(pp.GetDeregisterMessageGroup().Body.SourceId); 
-            } else if (pp.IsSplitMessageGroup()) { 
-                for (auto& body : pp.GetSplitMessageGroup().Deregistrations) { 
-                    sourceIdWriter.DeregisterSourceId(body.SourceId); 
-                } 
- 
-                for (auto& body : pp.GetSplitMessageGroup().Registrations) { 
-                    TMaybe<TPartitionKeyRange> keyRange; 
-                    if (body.KeyRange) { 
-                        keyRange = TPartitionKeyRange::Parse(*body.KeyRange); 
-                    } 
- 
-                    body.AssignedOffset = curOffset; 
-                    sourceIdWriter.RegisterSourceId(body.SourceId, body.SeqNo, curOffset, CurrentTimestamp, std::move(keyRange), true); 
-                } 
-            } else { 
-                Y_VERIFY(pp.IsOwnership()); 
-            } 
- 
+
+        if (!pp.IsWrite()) {
+            if (pp.IsRegisterMessageGroup()) {
+                auto& body = pp.GetRegisterMessageGroup().Body;
+
+                TMaybe<TPartitionKeyRange> keyRange;
+                if (body.KeyRange) {
+                    keyRange = TPartitionKeyRange::Parse(*body.KeyRange);
+                }
+
+                body.AssignedOffset = curOffset;
+                sourceIdWriter.RegisterSourceId(body.SourceId, body.SeqNo, curOffset, CurrentTimestamp, std::move(keyRange));
+            } else if (pp.IsDeregisterMessageGroup()) {
+                sourceIdWriter.DeregisterSourceId(pp.GetDeregisterMessageGroup().Body.SourceId);
+            } else if (pp.IsSplitMessageGroup()) {
+                for (auto& body : pp.GetSplitMessageGroup().Deregistrations) {
+                    sourceIdWriter.DeregisterSourceId(body.SourceId);
+                }
+
+                for (auto& body : pp.GetSplitMessageGroup().Registrations) {
+                    TMaybe<TPartitionKeyRange> keyRange;
+                    if (body.KeyRange) {
+                        keyRange = TPartitionKeyRange::Parse(*body.KeyRange);
+                    }
+
+                    body.AssignedOffset = curOffset;
+                    sourceIdWriter.RegisterSourceId(body.SourceId, body.SeqNo, curOffset, CurrentTimestamp, std::move(keyRange), true);
+                }
+            } else {
+                Y_VERIFY(pp.IsOwnership());
+            }
+
             pp.QuotedTime = WriteQuota.GetQuotedTime() - pp.QuotedTime; //change to duration
             pp.QueueTime = ctx.Now().MilliSeconds() - pp.QueueTime;
             pp.WriteTime = ctx.Now().MilliSeconds();
             Responses.push_back(pp);
             continue;
         }
- 
-        Y_VERIFY(pp.IsWrite()); 
-        auto& p = pp.GetWrite(); 
+
+        Y_VERIFY(pp.IsWrite());
+        auto& p = pp.GetWrite();
 
         WriteInflightSize -= p.Msg.Data.size();
 
@@ -4250,12 +4250,12 @@ bool TPartition::AppendHeadWithNewWrites(TEvKeyValue::TEvRequest* request, const
                     << " FormedBlobsCount " << PartitionedBlob.GetFormedBlobs().size() << " NewHead: "
                     << NewHead);
 
-            if (it_inMemory == SourceIdStorage.GetInMemorySourceIds().end()) { 
-                sourceIdWriter.RegisterSourceId(p.Msg.SourceId, p.Msg.SeqNo, curOffset, CurrentTimestamp); 
-            } else { 
-                sourceIdWriter.RegisterSourceId(p.Msg.SourceId, it_inMemory->second.Updated(p.Msg.SeqNo, curOffset, CurrentTimestamp)); 
-            } 
- 
+            if (it_inMemory == SourceIdStorage.GetInMemorySourceIds().end()) {
+                sourceIdWriter.RegisterSourceId(p.Msg.SourceId, p.Msg.SeqNo, curOffset, CurrentTimestamp);
+            } else {
+                sourceIdWriter.RegisterSourceId(p.Msg.SourceId, it_inMemory->second.Updated(p.Msg.SeqNo, curOffset, CurrentTimestamp));
+            }
+
             ++curOffset;
             PartitionedBlob = TPartitionedBlob(Partition, 0, "", 0, 0, 0, Head, NewHead, true, false, MaxBlobSize);
         }
@@ -4468,10 +4468,10 @@ bool TPartition::ProcessWrites(TEvKeyValue::TEvRequest* request, const TActorCon
     Y_VERIFY(request->Record.CmdWriteSize() == 0);
     Y_VERIFY(request->Record.CmdRenameSize() == 0);
     Y_VERIFY(request->Record.CmdDeleteRangeSize() == 0);
-    const auto format = AppData(ctx)->PQConfig.GetEnableProtoSourceIdInfo() 
-        ? ESourceIdFormat::Proto 
-        : ESourceIdFormat::Raw; 
-    TSourceIdWriter sourceIdWriter(format); 
+    const auto format = AppData(ctx)->PQConfig.GetEnableProtoSourceIdInfo()
+        ? ESourceIdFormat::Proto
+        : ESourceIdFormat::Raw;
+    TSourceIdWriter sourceIdWriter(format);
 
     bool headCleared = AppendHeadWithNewWrites(request, ctx, sourceIdWriter);
 
@@ -4487,7 +4487,7 @@ bool TPartition::ProcessWrites(TEvKeyValue::TEvRequest* request, const TActorCon
         return request->Record.CmdWriteSize() > 0 || request->Record.CmdRenameSize() > 0 || request->Record.CmdDeleteRangeSize() > 0;
     }
 
-    sourceIdWriter.FillRequest(request, Partition); 
+    sourceIdWriter.FillRequest(request, Partition);
 
     std::pair<TKey, ui32> res = GetNewWriteKey(headCleared);
     const auto& key = res.first;
@@ -4508,11 +4508,11 @@ void TPartition::FilterDeadlinedWrites(const TActorContext& ctx)
 
     for (auto& w : Requests) {
         ReplyError(ctx, w.GetCookie(), NPersQueue::NErrorCode::OVERLOAD, "quota exceeded");
-        if (w.IsWrite()) { 
-            const auto& msg = w.GetWrite().Msg; 
+        if (w.IsWrite()) {
+            const auto& msg = w.GetWrite().Msg;
             Counters.Cumulative()[COUNTER_PQ_WRITE_ERROR].Increment(1);
-            Counters.Cumulative()[COUNTER_PQ_WRITE_BYTES_ERROR].Increment(msg.Data.size() + msg.SourceId.size()); 
-            WriteInflightSize -= msg.Data.size(); 
+            Counters.Cumulative()[COUNTER_PQ_WRITE_BYTES_ERROR].Increment(msg.Data.size() + msg.SourceId.size());
+            WriteInflightSize -= msg.Data.size();
         }
     }
     Requests.clear();
diff --git a/ydb/core/persqueue/partition.h b/ydb/core/persqueue/partition.h
index 0c58929b0a..2eec26f251 100644
--- a/ydb/core/persqueue/partition.h
+++ b/ydb/core/persqueue/partition.h
@@ -20,8 +20,8 @@
 #include "sourceid.h"
 #include "ownerinfo.h"
 
-#include <variant> 
- 
+#include <variant>
+
 namespace NKikimr {
 namespace NPQ {
 
@@ -147,16 +147,16 @@ private:
 
     void HandleOnIdle(TEvPQ::TEvWrite::TPtr& ev, const TActorContext& ctx);
     void HandleOnWrite(TEvPQ::TEvWrite::TPtr& ev, const TActorContext& ctx);
- 
-    void HandleOnIdle(TEvPQ::TEvRegisterMessageGroup::TPtr& ev, const TActorContext& ctx); 
-    void HandleOnWrite(TEvPQ::TEvRegisterMessageGroup::TPtr& ev, const TActorContext& ctx); 
- 
-    void HandleOnIdle(TEvPQ::TEvDeregisterMessageGroup::TPtr& ev, const TActorContext& ctx); 
-    void HandleOnWrite(TEvPQ::TEvDeregisterMessageGroup::TPtr& ev, const TActorContext& ctx); 
- 
-    void HandleOnIdle(TEvPQ::TEvSplitMessageGroup::TPtr& ev, const TActorContext& ctx); 
-    void HandleOnWrite(TEvPQ::TEvSplitMessageGroup::TPtr& ev, const TActorContext& ctx); 
- 
+
+    void HandleOnIdle(TEvPQ::TEvRegisterMessageGroup::TPtr& ev, const TActorContext& ctx);
+    void HandleOnWrite(TEvPQ::TEvRegisterMessageGroup::TPtr& ev, const TActorContext& ctx);
+
+    void HandleOnIdle(TEvPQ::TEvDeregisterMessageGroup::TPtr& ev, const TActorContext& ctx);
+    void HandleOnWrite(TEvPQ::TEvDeregisterMessageGroup::TPtr& ev, const TActorContext& ctx);
+
+    void HandleOnIdle(TEvPQ::TEvSplitMessageGroup::TPtr& ev, const TActorContext& ctx);
+    void HandleOnWrite(TEvPQ::TEvSplitMessageGroup::TPtr& ev, const TActorContext& ctx);
+
     void Handle(TEvQuota::TEvClearance::TPtr& ev, const TActorContext& ctx);
     bool DropOldStuff(TEvKeyValue::TEvRequest* request, bool hasWrites, const TActorContext& ctx);
 
@@ -187,9 +187,9 @@ private:
     //only Writes container is filled; only DISK_IS_FULL can be here
     void CancelAllWritesOnIdle(const TActorContext& ctx);
     //additional contaiters are half-filled, need to clear them too
-    struct TWriteMsg; // forward 
+    struct TWriteMsg; // forward
     void CancelAllWritesOnWrite(const TActorContext& ctx, TEvKeyValue::TEvRequest* request, const TString& errorStr,
-                                const TWriteMsg& p, TSourceIdWriter& sourceIdWriter, NPersQueue::NErrorCode::EErrorCode errorCode); 
+                                const TWriteMsg& p, TSourceIdWriter& sourceIdWriter, NPersQueue::NErrorCode::EErrorCode errorCode);
 
 
     void FailBadClient(const TActorContext& ctx);
@@ -313,9 +313,9 @@ private:
             HFuncTraced(TEvPQ::TEvPipeDisconnected, Handle);
             HFuncTraced(TEvQuota::TEvClearance, Handle);
             HFuncTraced(TEvPQ::TEvQuotaDeadlineCheck, Handle);
-            HFuncTraced(TEvPQ::TEvRegisterMessageGroup, HandleOnIdle); 
-            HFuncTraced(TEvPQ::TEvDeregisterMessageGroup, HandleOnIdle); 
-            HFuncTraced(TEvPQ::TEvSplitMessageGroup, HandleOnIdle); 
+            HFuncTraced(TEvPQ::TEvRegisterMessageGroup, HandleOnIdle);
+            HFuncTraced(TEvPQ::TEvDeregisterMessageGroup, HandleOnIdle);
+            HFuncTraced(TEvPQ::TEvSplitMessageGroup, HandleOnIdle);
 
         default:
             LOG_ERROR_S(ctx, NKikimrServices::PERSQUEUE, "Unexpected " << EventStr("StateIdle", ev));
@@ -361,10 +361,10 @@ private:
             HFuncTraced(TEvPQ::TEvUpdateAvailableSize, HandleOnWrite);
             HFuncTraced(TEvPQ::TEvQuotaDeadlineCheck, Handle);
             HFuncTraced(TEvQuota::TEvClearance, Handle);
-            HFuncTraced(TEvPQ::TEvRegisterMessageGroup, HandleOnWrite); 
-            HFuncTraced(TEvPQ::TEvDeregisterMessageGroup, HandleOnWrite); 
-            HFuncTraced(TEvPQ::TEvSplitMessageGroup, HandleOnWrite); 
- 
+            HFuncTraced(TEvPQ::TEvRegisterMessageGroup, HandleOnWrite);
+            HFuncTraced(TEvPQ::TEvDeregisterMessageGroup, HandleOnWrite);
+            HFuncTraced(TEvPQ::TEvSplitMessageGroup, HandleOnWrite);
+
         default:
             LOG_ERROR_S(ctx, NKikimrServices::PERSQUEUE, "Unexpected " << EventStr("StateWrite", ev));
             break;
@@ -440,109 +440,109 @@ private:
 
     EInitState InitState;
 
-    struct TWriteMsg { 
-        ui64 Cookie; 
-        TMaybe<ui64> Offset; 
-        TEvPQ::TEvWrite::TMsg Msg; 
-    }; 
+    struct TWriteMsg {
+        ui64 Cookie;
+        TMaybe<ui64> Offset;
+        TEvPQ::TEvWrite::TMsg Msg;
+    };
 
-    struct TOwnershipMsg { 
+    struct TOwnershipMsg {
         ui64 Cookie;
         TString OwnerCookie;
     };
 
-    struct TRegisterMessageGroupMsg { 
-        ui64 Cookie; 
-        TEvPQ::TEvRegisterMessageGroup::TBody Body; 
- 
-        explicit TRegisterMessageGroupMsg(TEvPQ::TEvRegisterMessageGroup& ev) 
-            : Cookie(ev.Cookie) 
-            , Body(std::move(ev.Body)) 
-        { 
-        } 
-    }; 
- 
-    struct TDeregisterMessageGroupMsg { 
-        ui64 Cookie; 
-        TEvPQ::TEvDeregisterMessageGroup::TBody Body; 
- 
-        explicit TDeregisterMessageGroupMsg(TEvPQ::TEvDeregisterMessageGroup& ev) 
-            : Cookie(ev.Cookie) 
-            , Body(std::move(ev.Body)) 
-        { 
-        } 
-    }; 
- 
-    struct TSplitMessageGroupMsg { 
-        ui64 Cookie; 
-        TVector<TEvPQ::TEvDeregisterMessageGroup::TBody> Deregistrations; 
-        TVector<TEvPQ::TEvRegisterMessageGroup::TBody> Registrations; 
- 
-        explicit TSplitMessageGroupMsg(ui64 cookie) 
-            : Cookie(cookie) 
-        { 
-        } 
-    }; 
- 
+    struct TRegisterMessageGroupMsg {
+        ui64 Cookie;
+        TEvPQ::TEvRegisterMessageGroup::TBody Body;
+
+        explicit TRegisterMessageGroupMsg(TEvPQ::TEvRegisterMessageGroup& ev)
+            : Cookie(ev.Cookie)
+            , Body(std::move(ev.Body))
+        {
+        }
+    };
+
+    struct TDeregisterMessageGroupMsg {
+        ui64 Cookie;
+        TEvPQ::TEvDeregisterMessageGroup::TBody Body;
+
+        explicit TDeregisterMessageGroupMsg(TEvPQ::TEvDeregisterMessageGroup& ev)
+            : Cookie(ev.Cookie)
+            , Body(std::move(ev.Body))
+        {
+        }
+    };
+
+    struct TSplitMessageGroupMsg {
+        ui64 Cookie;
+        TVector<TEvPQ::TEvDeregisterMessageGroup::TBody> Deregistrations;
+        TVector<TEvPQ::TEvRegisterMessageGroup::TBody> Registrations;
+
+        explicit TSplitMessageGroupMsg(ui64 cookie)
+            : Cookie(cookie)
+        {
+        }
+    };
+
     struct TMessage {
-        std::variant< 
-            TWriteMsg, 
-            TOwnershipMsg, 
-            TRegisterMessageGroupMsg, 
-            TDeregisterMessageGroupMsg, 
-            TSplitMessageGroupMsg 
-        > Body; 
+        std::variant<
+            TWriteMsg,
+            TOwnershipMsg,
+            TRegisterMessageGroupMsg,
+            TDeregisterMessageGroupMsg,
+            TSplitMessageGroupMsg
+        > Body;
 
         ui64 QuotedTime;
         ui64 QueueTime;
         ui64 WriteTime;
 
-        template <typename T> 
-        explicit TMessage(T&& body, ui64 quotedTime, ui64 queueTime, ui64 writeTime) 
-            : Body(std::forward<T>(body)) 
-            , QuotedTime(quotedTime) 
-            , QueueTime(queueTime) 
-            , WriteTime(writeTime) 
-        { 
-        } 
- 
+        template <typename T>
+        explicit TMessage(T&& body, ui64 quotedTime, ui64 queueTime, ui64 writeTime)
+            : Body(std::forward<T>(body))
+            , QuotedTime(quotedTime)
+            , QueueTime(queueTime)
+            , WriteTime(writeTime)
+        {
+        }
+
         ui64 GetCookie() const {
-            switch (Body.index()) { 
-            case 0: 
-                return std::get<0>(Body).Cookie; 
-            case 1: 
-                return std::get<1>(Body).Cookie; 
-            case 2: 
-                return std::get<2>(Body).Cookie; 
-            case 3: 
-                return std::get<3>(Body).Cookie; 
-            case 4: 
-                return std::get<4>(Body).Cookie; 
-            default: 
-                Y_FAIL("unreachable"); 
-            } 
+            switch (Body.index()) {
+            case 0:
+                return std::get<0>(Body).Cookie;
+            case 1:
+                return std::get<1>(Body).Cookie;
+            case 2:
+                return std::get<2>(Body).Cookie;
+            case 3:
+                return std::get<3>(Body).Cookie;
+            case 4:
+                return std::get<4>(Body).Cookie;
+            default:
+                Y_FAIL("unreachable");
+            }
         }
- 
-        #define DEFINE_CHECKER_GETTER(name, i) \ 
-            bool Is##name() const { \ 
-                return Body.index() == i; \ 
-            } \ 
-            const auto& Get##name() const { \ 
-                Y_VERIFY(Is##name()); \ 
-                return std::get<i>(Body); \ 
-            } \ 
-            auto& Get##name() { \ 
-                Y_VERIFY(Is##name()); \ 
-                return std::get<i>(Body); \ 
-            } 
- 
-        DEFINE_CHECKER_GETTER(Write, 0) 
-        DEFINE_CHECKER_GETTER(Ownership, 1) 
-        DEFINE_CHECKER_GETTER(RegisterMessageGroup, 2) 
-        DEFINE_CHECKER_GETTER(DeregisterMessageGroup, 3) 
-        DEFINE_CHECKER_GETTER(SplitMessageGroup, 4) 
- 
-        #undef DEFINE_CHECKER_GETTER 
+
+        #define DEFINE_CHECKER_GETTER(name, i) \
+            bool Is##name() const { \
+                return Body.index() == i; \
+            } \
+            const auto& Get##name() const { \
+                Y_VERIFY(Is##name()); \
+                return std::get<i>(Body); \
+            } \
+            auto& Get##name() { \
+                Y_VERIFY(Is##name()); \
+                return std::get<i>(Body); \
+            }
+
+        DEFINE_CHECKER_GETTER(Write, 0)
+        DEFINE_CHECKER_GETTER(Ownership, 1)
+        DEFINE_CHECKER_GETTER(RegisterMessageGroup, 2)
+        DEFINE_CHECKER_GETTER(DeregisterMessageGroup, 3)
+        DEFINE_CHECKER_GETTER(SplitMessageGroup, 4)
+
+        #undef DEFINE_CHECKER_GETTER
     };
 
     std::deque<TMessage> Requests;
diff --git a/ydb/core/persqueue/partition_key_range/partition_key_range.cpp b/ydb/core/persqueue/partition_key_range/partition_key_range.cpp
index ff0c049855..3c1a2b36af 100644
--- a/ydb/core/persqueue/partition_key_range/partition_key_range.cpp
+++ b/ydb/core/persqueue/partition_key_range/partition_key_range.cpp
@@ -1,39 +1,39 @@
-#include "partition_key_range.h" 
- 
+#include "partition_key_range.h"
+
 #include <ydb/core/protos/pqconfig.pb.h>
- 
-namespace NKikimr { 
-namespace NPQ { 
- 
-TPartitionKeyRange TPartitionKeyRange::Parse(const NKikimrPQ::TPartitionKeyRange& proto) { 
-    TPartitionKeyRange result; 
- 
-    if (proto.HasFromBound()) { 
-        ParseBound(proto.GetFromBound(), result.FromBound); 
-    } 
- 
-    if (proto.HasToBound()) { 
-        ParseBound(proto.GetToBound(), result.ToBound); 
-    } 
- 
-    return result; 
-} 
- 
-void TPartitionKeyRange::Serialize(NKikimrPQ::TPartitionKeyRange& proto) const { 
-    if (FromBound) { 
-        proto.SetFromBound(FromBound->GetBuffer()); 
-    } 
- 
-    if (ToBound) { 
-        proto.SetToBound(ToBound->GetBuffer()); 
-    } 
-} 
- 
-void TPartitionKeyRange::ParseBound(const TString& data, TMaybe<TSerializedCellVec>& bound) { 
-    TSerializedCellVec cells; 
-    Y_VERIFY(TSerializedCellVec::TryParse(data, cells)); 
-    bound.ConstructInPlace(std::move(cells)); 
-} 
- 
-} // NPQ 
-} // NKikimr 
+
+namespace NKikimr {
+namespace NPQ {
+
+TPartitionKeyRange TPartitionKeyRange::Parse(const NKikimrPQ::TPartitionKeyRange& proto) {
+    TPartitionKeyRange result;
+
+    if (proto.HasFromBound()) {
+        ParseBound(proto.GetFromBound(), result.FromBound);
+    }
+
+    if (proto.HasToBound()) {
+        ParseBound(proto.GetToBound(), result.ToBound);
+    }
+
+    return result;
+}
+
+void TPartitionKeyRange::Serialize(NKikimrPQ::TPartitionKeyRange& proto) const {
+    if (FromBound) {
+        proto.SetFromBound(FromBound->GetBuffer());
+    }
+
+    if (ToBound) {
+        proto.SetToBound(ToBound->GetBuffer());
+    }
+}
+
+void TPartitionKeyRange::ParseBound(const TString& data, TMaybe<TSerializedCellVec>& bound) {
+    TSerializedCellVec cells;
+    Y_VERIFY(TSerializedCellVec::TryParse(data, cells));
+    bound.ConstructInPlace(std::move(cells));
+}
+
+} // NPQ
+} // NKikimr
diff --git a/ydb/core/persqueue/partition_key_range/partition_key_range.h b/ydb/core/persqueue/partition_key_range/partition_key_range.h
index d3aac74a07..c209e57a86 100644
--- a/ydb/core/persqueue/partition_key_range/partition_key_range.h
+++ b/ydb/core/persqueue/partition_key_range/partition_key_range.h
@@ -1,28 +1,28 @@
-#pragma once 
- 
+#pragma once
+
 #include <ydb/core/scheme/scheme_tablecell.h>
- 
-#include <util/generic/maybe.h> 
- 
-// forward declarations 
-namespace NKikimrPQ { 
-    class TPartitionKeyRange; 
-} 
- 
-namespace NKikimr { 
-namespace NPQ { 
- 
-struct TPartitionKeyRange { 
-    TMaybe<TSerializedCellVec> FromBound; // inclusive 
-    TMaybe<TSerializedCellVec> ToBound; // exclusive 
- 
-    static TPartitionKeyRange Parse(const NKikimrPQ::TPartitionKeyRange& proto); 
-    void Serialize(NKikimrPQ::TPartitionKeyRange& proto) const; 
- 
-private: 
-    static void ParseBound(const TString& data, TMaybe<TSerializedCellVec>& bound); 
- 
-}; // TPartitionKeyRange 
- 
-} // NPQ 
-} // NKikimr 
+
+#include <util/generic/maybe.h>
+
+// forward declarations
+namespace NKikimrPQ {
+    class TPartitionKeyRange;
+}
+
+namespace NKikimr {
+namespace NPQ {
+
+struct TPartitionKeyRange {
+    TMaybe<TSerializedCellVec> FromBound; // inclusive
+    TMaybe<TSerializedCellVec> ToBound; // exclusive
+
+    static TPartitionKeyRange Parse(const NKikimrPQ::TPartitionKeyRange& proto);
+    void Serialize(NKikimrPQ::TPartitionKeyRange& proto) const;
+
+private:
+    static void ParseBound(const TString& data, TMaybe<TSerializedCellVec>& bound);
+
+}; // TPartitionKeyRange
+
+} // NPQ
+} // NKikimr
diff --git a/ydb/core/persqueue/partition_key_range/ya.make b/ydb/core/persqueue/partition_key_range/ya.make
index c4d153a9d0..d67d12e3ed 100644
--- a/ydb/core/persqueue/partition_key_range/ya.make
+++ b/ydb/core/persqueue/partition_key_range/ya.make
@@ -1,18 +1,18 @@
-LIBRARY() 
- 
-OWNER( 
-    ilnaz 
+LIBRARY()
+
+OWNER(
+    ilnaz
     g:kikimr
-    g:logbroker 
-) 
- 
-SRCS( 
-    partition_key_range.cpp 
-) 
- 
-PEERDIR( 
+    g:logbroker
+)
+
+SRCS(
+    partition_key_range.cpp
+)
+
+PEERDIR(
     ydb/core/protos
     ydb/core/scheme
-) 
- 
-END() 
+)
+
+END()
diff --git a/ydb/core/persqueue/pq_impl.cpp b/ydb/core/persqueue/pq_impl.cpp
index d66dad3861..9937dbe561 100644
--- a/ydb/core/persqueue/pq_impl.cpp
+++ b/ydb/core/persqueue/pq_impl.cpp
@@ -26,13 +26,13 @@ const TString TMP_REQUEST_MARKER = "__TMP__REQUEST__MARKER__";
 const ui32 CACHE_SIZE = 100 << 20; //100mb per tablet by default
 const ui32 MAX_BYTES = 25 * 1024 * 1024;
 const TDuration TOTAL_TIMEOUT = TDuration::Seconds(120);
-static constexpr ui32 MAX_SOURCE_ID_LENGTH = 10240; 
+static constexpr ui32 MAX_SOURCE_ID_LENGTH = 10240;
 
 struct TPartitionInfo {
-    TPartitionInfo(const TActorId& actor, TMaybe<TPartitionKeyRange>&& keyRange, 
-            const bool initDone, const TTabletCountersBase& baseline) 
+    TPartitionInfo(const TActorId& actor, TMaybe<TPartitionKeyRange>&& keyRange,
+            const bool initDone, const TTabletCountersBase& baseline)
         : Actor(actor)
-        , KeyRange(std::move(keyRange)) 
+        , KeyRange(std::move(keyRange))
         , InitDone(initDone)
     {
         Baseline.Populate(baseline);
@@ -40,14 +40,14 @@ struct TPartitionInfo {
 
     TPartitionInfo(const TPartitionInfo& info)
         : Actor(info.Actor)
-        , KeyRange(info.KeyRange) 
+        , KeyRange(info.KeyRange)
         , InitDone(info.InitDone)
     {
         Baseline.Populate(info.Baseline);
     }
 
     TActorId Actor;
-    TMaybe<TPartitionKeyRange> KeyRange; 
+    TMaybe<TPartitionKeyRange> KeyRange;
     bool InitDone;
     TTabletCountersBase Baseline;
     THashMap<TString, TTabletLabeledCountersBase> LabeledCounters;
@@ -75,12 +75,12 @@ struct TChangeNotification {
     ui64 TxId;
 };
 
-static TMaybe<TPartitionKeyRange> GetPartitionKeyRange(const NKikimrPQ::TPQTabletConfig::TPartition& proto) { 
-    if (!proto.HasKeyRange()) { 
-        return Nothing(); 
-    } 
-    return TPartitionKeyRange::Parse(proto.GetKeyRange()); 
-} 
+static TMaybe<TPartitionKeyRange> GetPartitionKeyRange(const NKikimrPQ::TPQTabletConfig::TPartition& proto) {
+    if (!proto.HasKeyRange()) {
+        return Nothing();
+    }
+    return TPartitionKeyRange::Parse(proto.GetKeyRange());
+}
 
 /******************************************************* ReadProxy *********************************************************/
 //megaqc - remove it when LB will be ready
@@ -563,17 +563,17 @@ void TPersQueue::FillMeteringParams(const TActorContext& ctx)
 void TPersQueue::ApplyNewConfigAndReply(const TActorContext& ctx)
 {
     THashSet<ui32> was;
-    if (NewConfig.PartitionsSize()) { 
-        for (const auto& partition : NewConfig.GetPartitions()) { 
-            was.insert(partition.GetPartitionId()); 
-        } 
-    } else { 
-        for (const auto partitionId : NewConfig.GetPartitionIds()) { 
-            was.insert(partitionId); 
-        } 
+    if (NewConfig.PartitionsSize()) {
+        for (const auto& partition : NewConfig.GetPartitions()) {
+            was.insert(partition.GetPartitionId());
+        }
+    } else {
+        for (const auto partitionId : NewConfig.GetPartitionIds()) {
+            was.insert(partitionId);
+        }
     }
-    for (const auto& partition : Config.GetPartitions()) { 
-        Y_VERIFY_S(was.contains(partition.GetPartitionId()), "New config is bad, missing partition " << partition.GetPartitionId()); 
+    for (const auto& partition : Config.GetPartitions()) {
+        Y_VERIFY_S(was.contains(partition.GetPartitionId()), "New config is bad, missing partition " << partition.GetPartitionId());
     }
 
     Y_VERIFY(ConfigInited && PartitionsInited == Partitions.size()); //in order to answer only after all parts are ready to work
@@ -584,12 +584,12 @@ void TPersQueue::ApplyNewConfigAndReply(const TActorContext& ctx)
 
     FillMeteringParams(ctx);
 
-    if (!Config.PartitionsSize()) { 
-        for (const auto partitionId : Config.GetPartitionIds()) { 
-            Config.AddPartitions()->SetPartitionId(partitionId); 
-        } 
-    } 
- 
+    if (!Config.PartitionsSize()) {
+        for (const auto partitionId : Config.GetPartitionIds()) {
+            Config.AddPartitions()->SetPartitionId(partitionId);
+        }
+    }
+
     ui32 cacheSize = CACHE_SIZE;
     if (Config.HasCacheSize())
         cacheSize = Config.GetCacheSize();
@@ -598,13 +598,13 @@ void TPersQueue::ApplyNewConfigAndReply(const TActorContext& ctx)
         TopicName = Config.GetTopicName();
         TopicPath = Config.GetTopicPath();
         LocalDC = Config.GetLocalDC();
- 
-        KeySchema.clear(); 
-        KeySchema.reserve(Config.PartitionKeySchemaSize()); 
-        for (const auto& component : Config.GetPartitionKeySchema()) { 
-            KeySchema.push_back(component.GetTypeId()); 
-        } 
- 
+
+        KeySchema.clear();
+        KeySchema.reserve(Config.PartitionKeySchemaSize());
+        for (const auto& component : Config.GetPartitionKeySchema()) {
+            KeySchema.push_back(component.GetTypeId());
+        }
+
         Y_VERIFY(TopicName.size(), "Need topic name here");
         CacheActor = ctx.Register(new TPQCacheProxy(ctx.SelfID, TopicName, cacheSize));
     } else {
@@ -615,17 +615,17 @@ void TPersQueue::ApplyNewConfigAndReply(const TActorContext& ctx)
     for (auto& p : Partitions) { //change config for already created partitions
         ctx.Send(p.second.Actor, new TEvPQ::TEvChangeConfig(TopicName, Config));
     }
-    for (const auto& partition : Config.GetPartitions()) { 
-        const auto partitionId = partition.GetPartitionId(); 
-        if (Partitions.find(partitionId) == Partitions.end()) { 
-            Partitions.emplace(partitionId, TPartitionInfo( 
-                ctx.Register(new TPartition(TabletID(), partitionId, ctx.SelfID, CacheActor, TopicName, TopicPath, LocalDC, DCId, Config, *Counters, ctx, true)), 
-                GetPartitionKeyRange(partition), 
+    for (const auto& partition : Config.GetPartitions()) {
+        const auto partitionId = partition.GetPartitionId();
+        if (Partitions.find(partitionId) == Partitions.end()) {
+            Partitions.emplace(partitionId, TPartitionInfo(
+                ctx.Register(new TPartition(TabletID(), partitionId, ctx.SelfID, CacheActor, TopicName, TopicPath, LocalDC, DCId, Config, *Counters, ctx, true)),
+                GetPartitionKeyRange(partition),
                 true,
                 *Counters
-            )); 
- 
-            // InitCompleted is true because this partition is empty 
+            ));
+
+            // InitCompleted is true because this partition is empty
             ++PartitionsInited; //newly created partition is empty and ready to work
         }
     }
@@ -696,22 +696,22 @@ void TPersQueue::ReadConfig(const NKikimrClient::TKeyValueResponse::TReadResult&
     if (read.GetStatus() == NKikimrProto::OK) {
         bool res = Config.ParseFromString(read.GetValue());
         Y_VERIFY(res);
- 
-        if (!Config.PartitionsSize()) { 
-            for (const auto partitionId : Config.GetPartitionIds()) { 
-                Config.AddPartitions()->SetPartitionId(partitionId); 
-            } 
-        } 
- 
+
+        if (!Config.PartitionsSize()) {
+            for (const auto partitionId : Config.GetPartitionIds()) {
+                Config.AddPartitions()->SetPartitionId(partitionId);
+            }
+        }
+
         TopicName = Config.GetTopicName();
         LocalDC = Config.GetLocalDC();
 
-        KeySchema.clear(); 
-        KeySchema.reserve(Config.PartitionKeySchemaSize()); 
-        for (const auto& component : Config.GetPartitionKeySchema()) { 
-            KeySchema.push_back(component.GetTypeId()); 
-        } 
- 
+        KeySchema.clear();
+        KeySchema.reserve(Config.PartitionKeySchemaSize());
+        for (const auto& component : Config.GetPartitionKeySchema()) {
+            KeySchema.push_back(component.GetTypeId());
+        }
+
         ui32 cacheSize = CACHE_SIZE;
         if (Config.HasCacheSize())
             cacheSize = Config.GetCacheSize();
@@ -724,14 +724,14 @@ void TPersQueue::ReadConfig(const NKikimrClient::TKeyValueResponse::TReadResult&
         Y_FAIL("Unexpected config read status: %d", read.GetStatus());
     }
 
-    for (const auto& partition : Config.GetPartitions()) { // no partitions will be created with empty config 
-        const auto partitionId = partition.GetPartitionId(); 
-        Partitions.emplace(partitionId, TPartitionInfo( 
-            ctx.Register(new TPartition(TabletID(), partitionId, ctx.SelfID, CacheActor, TopicName, TopicPath, LocalDC, DCId, Config, *Counters, ctx, false)), 
-            GetPartitionKeyRange(partition), 
+    for (const auto& partition : Config.GetPartitions()) { // no partitions will be created with empty config
+        const auto partitionId = partition.GetPartitionId();
+        Partitions.emplace(partitionId, TPartitionInfo(
+            ctx.Register(new TPartition(TabletID(), partitionId, ctx.SelfID, CacheActor, TopicName, TopicPath, LocalDC, DCId, Config, *Counters, ctx, false)),
+            GetPartitionKeyRange(partition),
             false,
             *Counters
-        )); 
+        ));
     }
     ConfigInited = true;
 
@@ -1059,48 +1059,48 @@ void TPersQueue::ProcessUpdateConfigRequest(TAutoPtr<TEvPersQueue::TEvUpdateConf
         return;
     }
 
-    const auto& bootstrapCfg = record.GetBootstrapConfig(); 
- 
-    if (bootstrapCfg.ExplicitMessageGroupsSize() && !AppData(ctx)->PQConfig.GetEnableProtoSourceIdInfo()) { 
-        LOG_ERROR_S(ctx, NKikimrServices::PERSQUEUE, "Tablet " << TabletID() 
-                    << ": cannot apply explicit message groups unless proto source id enabled" 
-                    << ", actor " << sender 
-                    << ", txId " << record.GetTxId()); 
- 
-        THolder<TEvPersQueue::TEvUpdateConfigResponse> res{new TEvPersQueue::TEvUpdateConfigResponse}; 
-        res->Record.SetStatus(NKikimrPQ::ERROR); 
-        res->Record.SetTxId(record.GetTxId()); 
-        res->Record.SetOrigin(TabletID()); 
-        ctx.Send(sender, res.Release()); 
-        return; 
-    } 
- 
-    for (const auto& mg : bootstrapCfg.GetExplicitMessageGroups()) { 
-        TString error; 
- 
-        if (!mg.HasId() || mg.GetId().empty()) { 
-            error = "Empty Id"; 
-        } else if (mg.GetId().size() > MAX_SOURCE_ID_LENGTH) { 
-            error = "Too long Id"; 
-        } else if (mg.HasKeyRange() && !cfg.PartitionKeySchemaSize()) { 
-            error = "Missing KeySchema"; 
-        } 
- 
-        if (error) { 
-            LOG_ERROR_S(ctx, NKikimrServices::PERSQUEUE, "Tablet " << TabletID() 
-                        << "Cannot apply explicit message group: " << error 
-                        << " actor " << sender 
-                        << " txId " << record.GetTxId()); 
- 
-            THolder<TEvPersQueue::TEvUpdateConfigResponse> res{new TEvPersQueue::TEvUpdateConfigResponse}; 
-            res->Record.SetStatus(NKikimrPQ::ERROR); 
-            res->Record.SetTxId(record.GetTxId()); 
-            res->Record.SetOrigin(TabletID()); 
-            ctx.Send(sender, res.Release()); 
-            return; 
-        } 
-    } 
- 
+    const auto& bootstrapCfg = record.GetBootstrapConfig();
+
+    if (bootstrapCfg.ExplicitMessageGroupsSize() && !AppData(ctx)->PQConfig.GetEnableProtoSourceIdInfo()) {
+        LOG_ERROR_S(ctx, NKikimrServices::PERSQUEUE, "Tablet " << TabletID()
+                    << ": cannot apply explicit message groups unless proto source id enabled"
+                    << ", actor " << sender
+                    << ", txId " << record.GetTxId());
+
+        THolder<TEvPersQueue::TEvUpdateConfigResponse> res{new TEvPersQueue::TEvUpdateConfigResponse};
+        res->Record.SetStatus(NKikimrPQ::ERROR);
+        res->Record.SetTxId(record.GetTxId());
+        res->Record.SetOrigin(TabletID());
+        ctx.Send(sender, res.Release());
+        return;
+    }
+
+    for (const auto& mg : bootstrapCfg.GetExplicitMessageGroups()) {
+        TString error;
+
+        if (!mg.HasId() || mg.GetId().empty()) {
+            error = "Empty Id";
+        } else if (mg.GetId().size() > MAX_SOURCE_ID_LENGTH) {
+            error = "Too long Id";
+        } else if (mg.HasKeyRange() && !cfg.PartitionKeySchemaSize()) {
+            error = "Missing KeySchema";
+        }
+
+        if (error) {
+            LOG_ERROR_S(ctx, NKikimrServices::PERSQUEUE, "Tablet " << TabletID()
+                        << "Cannot apply explicit message group: " << error
+                        << " actor " << sender
+                        << " txId " << record.GetTxId());
+
+            THolder<TEvPersQueue::TEvUpdateConfigResponse> res{new TEvPersQueue::TEvUpdateConfigResponse};
+            res->Record.SetStatus(NKikimrPQ::ERROR);
+            res->Record.SetTxId(record.GetTxId());
+            res->Record.SetOrigin(TabletID());
+            ctx.Send(sender, res.Release());
+            return;
+        }
+    }
+
     ChangeConfigNotification.insert(TChangeNotification(sender, record.GetTxId()));
 
     if (!cfg.HasPartitionConfig())
@@ -1139,29 +1139,29 @@ void TPersQueue::ProcessUpdateConfigRequest(TAutoPtr<TEvPersQueue::TEvUpdateConf
 
     bool res = cfg.SerializeToString(&str);
     Y_VERIFY(res);
- 
+
     TAutoPtr<TEvKeyValue::TEvRequest> request(new TEvKeyValue::TEvRequest);
     request->Record.SetCookie(WRITE_CONFIG_COOKIE);
- 
+
     auto write = request->Record.AddCmdWrite();
     write->SetKey(KeyConfig());
     write->SetValue(str);
     write->SetTactic(AppData(ctx)->PQConfig.GetTactic());
- 
-    TSourceIdWriter sourceIdWriter(ESourceIdFormat::Proto); 
-    for (const auto& mg : bootstrapCfg.GetExplicitMessageGroups()) { 
-        TMaybe<TPartitionKeyRange> keyRange; 
-        if (mg.HasKeyRange()) { 
-            keyRange = TPartitionKeyRange::Parse(mg.GetKeyRange()); 
-        } 
- 
-        sourceIdWriter.RegisterSourceId(mg.GetId(), 0, 0, ctx.Now(), std::move(keyRange)); 
- 
-        for (const auto& partition : cfg.GetPartitions()) { 
-            sourceIdWriter.FillRequest(request.Get(), partition.GetPartitionId()); 
-        } 
-    } 
- 
+
+    TSourceIdWriter sourceIdWriter(ESourceIdFormat::Proto);
+    for (const auto& mg : bootstrapCfg.GetExplicitMessageGroups()) {
+        TMaybe<TPartitionKeyRange> keyRange;
+        if (mg.HasKeyRange()) {
+            keyRange = TPartitionKeyRange::Parse(mg.GetKeyRange());
+        }
+
+        sourceIdWriter.RegisterSourceId(mg.GetId(), 0, 0, ctx.Now(), std::move(keyRange));
+
+        for (const auto& partition : cfg.GetPartitions()) {
+            sourceIdWriter.FillRequest(request.Get(), partition.GetPartitionId());
+        }
+    }
+
     NewConfig = cfg;
     ctx.Send(ctx.SelfID, request.Release());
 }
@@ -1477,7 +1477,7 @@ void TPersQueue::HandleWriteRequest(const ui64 responseCookie, const TActorId& p
             errorStr = "TotalSize must be filled for first part";
         } else if (cmd.HasTotalSize() && static_cast<size_t>(cmd.GetTotalSize()) <= cmd.GetData().size()) { // TotalSize must be > size of each part
             errorStr = "TotalSize is incorrect";
-        } else if (cmd.GetSourceId().size() > MAX_SOURCE_ID_LENGTH) { 
+        } else if (cmd.GetSourceId().size() > MAX_SOURCE_ID_LENGTH) {
             errorStr = "Too big SourceId";
         } else if (mirroredPartition && !cmd.GetDisableDeduplication()) {
             errorStr = "Write to mirrored topic is forbiden";
@@ -1673,120 +1673,120 @@ void TPersQueue::HandleReadRequest(const ui64 responseCookie, const TActorId& pa
     }
 }
 
-TMaybe<TEvPQ::TEvRegisterMessageGroup::TBody> TPersQueue::MakeRegisterMessageGroup( 
-        const NKikimrClient::TPersQueuePartitionRequest::TCmdRegisterMessageGroup& cmd, 
-        NPersQueue::NErrorCode::EErrorCode& code, TString& error) const 
-{ 
-    if (!cmd.HasId() || cmd.GetId().empty()) { 
-        code = NPersQueue::NErrorCode::BAD_REQUEST; 
-        error = "Empty Id"; 
-        return Nothing(); 
-    } else if (cmd.GetId().size() > MAX_SOURCE_ID_LENGTH) { 
-        code = NPersQueue::NErrorCode::BAD_REQUEST; 
-        error = "Too long Id"; 
-        return Nothing(); 
-    } else if (cmd.HasPartitionKeyRange() && !Config.PartitionKeySchemaSize()) { 
-        code = NPersQueue::NErrorCode::BAD_REQUEST; 
-        error = "Missing KeySchema"; 
-        return Nothing(); 
-    } 
- 
-    TMaybe<NKikimrPQ::TPartitionKeyRange> keyRange; 
-    if (cmd.HasPartitionKeyRange()) { 
-        keyRange = cmd.GetPartitionKeyRange(); 
-    } 
- 
-    return TEvPQ::TEvRegisterMessageGroup::TBody(cmd.GetId(), std::move(keyRange), cmd.GetStartingSeqNo(), cmd.GetAfterSplit()); 
-} 
- 
-TMaybe<TEvPQ::TEvDeregisterMessageGroup::TBody> TPersQueue::MakeDeregisterMessageGroup( 
-        const NKikimrClient::TPersQueuePartitionRequest::TCmdDeregisterMessageGroup& cmd, 
-        NPersQueue::NErrorCode::EErrorCode& code, TString& error) const 
-{ 
-    if (!cmd.HasId() || cmd.GetId().empty()) { 
-        code = NPersQueue::NErrorCode::BAD_REQUEST; 
-        error = "Empty Id"; 
-        return Nothing(); 
-    } else if (cmd.GetId().size() > MAX_SOURCE_ID_LENGTH) { 
-        code = NPersQueue::NErrorCode::BAD_REQUEST; 
-        error = "Too long Id"; 
-        return Nothing(); 
-    } 
- 
-    return TEvPQ::TEvDeregisterMessageGroup::TBody(cmd.GetId()); 
-} 
- 
-void TPersQueue::HandleRegisterMessageGroupRequest(ui64 responseCookie, const TActorId& partActor, 
-    const NKikimrClient::TPersQueuePartitionRequest& req, const TActorContext& ctx) 
-{ 
-    Y_VERIFY(req.HasCmdRegisterMessageGroup()); 
- 
-    NPersQueue::NErrorCode::EErrorCode code; 
-    TString error; 
-    auto body = MakeRegisterMessageGroup(req.GetCmdRegisterMessageGroup(), code, error); 
- 
-    if (!body) { 
-        return ReplyError(ctx, responseCookie, code, error); 
-    } 
- 
-    InitResponseBuilder(responseCookie, 1, COUNTER_LATENCY_PQ_REGISTER_MESSAGE_GROUP); 
-    ctx.Send(partActor, new TEvPQ::TEvRegisterMessageGroup(responseCookie, std::move(body.GetRef()))); 
-} 
- 
-void TPersQueue::HandleDeregisterMessageGroupRequest(ui64 responseCookie, const TActorId& partActor, 
-    const NKikimrClient::TPersQueuePartitionRequest& req, const TActorContext& ctx) 
-{ 
-    Y_VERIFY(req.HasCmdDeregisterMessageGroup()); 
- 
-    NPersQueue::NErrorCode::EErrorCode code; 
-    TString error; 
-    auto body = MakeDeregisterMessageGroup(req.GetCmdDeregisterMessageGroup(), code, error); 
- 
-    if (!body) { 
-        return ReplyError(ctx, responseCookie, code, error); 
-    } 
- 
-    InitResponseBuilder(responseCookie, 1, COUNTER_LATENCY_PQ_DEREGISTER_MESSAGE_GROUP); 
-    ctx.Send(partActor, new TEvPQ::TEvDeregisterMessageGroup(responseCookie, std::move(body.GetRef()))); 
-} 
- 
-void TPersQueue::HandleSplitMessageGroupRequest(ui64 responseCookie, const TActorId& partActor, 
-    const NKikimrClient::TPersQueuePartitionRequest& req, const TActorContext& ctx) 
-{ 
-    Y_VERIFY(req.HasCmdSplitMessageGroup()); 
-    const auto& cmd = req.GetCmdSplitMessageGroup(); 
- 
-    NPersQueue::NErrorCode::EErrorCode code; 
-    TString error; 
- 
-    TVector<TEvPQ::TEvDeregisterMessageGroup::TBody> deregistrations; 
-    for (const auto& group : cmd.GetDeregisterGroups()) { 
-        auto body = MakeDeregisterMessageGroup(group, code, error); 
-        if (!body) { 
-            return ReplyError(ctx, responseCookie, code, error); 
-        } 
- 
-        deregistrations.push_back(std::move(body.GetRef())); 
-    } 
- 
-    TVector<TEvPQ::TEvRegisterMessageGroup::TBody> registrations; 
-    for (const auto& group : cmd.GetRegisterGroups()) { 
-        if (group.GetAfterSplit()) { 
-            return ReplyError(ctx, responseCookie, NPersQueue::NErrorCode::BAD_REQUEST, "AfterSplit cannot be set"); 
-        } 
- 
-        auto body = MakeRegisterMessageGroup(group, code, error); 
-        if (!body) { 
-            return ReplyError(ctx, responseCookie, code, error); 
-        } 
- 
-        registrations.push_back(std::move(body.GetRef())); 
-    } 
- 
-    InitResponseBuilder(responseCookie, 1, COUNTER_LATENCY_PQ_SPLIT_MESSAGE_GROUP); 
-    ctx.Send(partActor, new TEvPQ::TEvSplitMessageGroup(responseCookie, std::move(deregistrations), std::move(registrations))); 
-} 
- 
+TMaybe<TEvPQ::TEvRegisterMessageGroup::TBody> TPersQueue::MakeRegisterMessageGroup(
+        const NKikimrClient::TPersQueuePartitionRequest::TCmdRegisterMessageGroup& cmd,
+        NPersQueue::NErrorCode::EErrorCode& code, TString& error) const
+{
+    if (!cmd.HasId() || cmd.GetId().empty()) {
+        code = NPersQueue::NErrorCode::BAD_REQUEST;
+        error = "Empty Id";
+        return Nothing();
+    } else if (cmd.GetId().size() > MAX_SOURCE_ID_LENGTH) {
+        code = NPersQueue::NErrorCode::BAD_REQUEST;
+        error = "Too long Id";
+        return Nothing();
+    } else if (cmd.HasPartitionKeyRange() && !Config.PartitionKeySchemaSize()) {
+        code = NPersQueue::NErrorCode::BAD_REQUEST;
+        error = "Missing KeySchema";
+        return Nothing();
+    }
+
+    TMaybe<NKikimrPQ::TPartitionKeyRange> keyRange;
+    if (cmd.HasPartitionKeyRange()) {
+        keyRange = cmd.GetPartitionKeyRange();
+    }
+
+    return TEvPQ::TEvRegisterMessageGroup::TBody(cmd.GetId(), std::move(keyRange), cmd.GetStartingSeqNo(), cmd.GetAfterSplit());
+}
+
+TMaybe<TEvPQ::TEvDeregisterMessageGroup::TBody> TPersQueue::MakeDeregisterMessageGroup(
+        const NKikimrClient::TPersQueuePartitionRequest::TCmdDeregisterMessageGroup& cmd,
+        NPersQueue::NErrorCode::EErrorCode& code, TString& error) const
+{
+    if (!cmd.HasId() || cmd.GetId().empty()) {
+        code = NPersQueue::NErrorCode::BAD_REQUEST;
+        error = "Empty Id";
+        return Nothing();
+    } else if (cmd.GetId().size() > MAX_SOURCE_ID_LENGTH) {
+        code = NPersQueue::NErrorCode::BAD_REQUEST;
+        error = "Too long Id";
+        return Nothing();
+    }
+
+    return TEvPQ::TEvDeregisterMessageGroup::TBody(cmd.GetId());
+}
+
+void TPersQueue::HandleRegisterMessageGroupRequest(ui64 responseCookie, const TActorId& partActor,
+    const NKikimrClient::TPersQueuePartitionRequest& req, const TActorContext& ctx)
+{
+    Y_VERIFY(req.HasCmdRegisterMessageGroup());
+
+    NPersQueue::NErrorCode::EErrorCode code;
+    TString error;
+    auto body = MakeRegisterMessageGroup(req.GetCmdRegisterMessageGroup(), code, error);
+
+    if (!body) {
+        return ReplyError(ctx, responseCookie, code, error);
+    }
+
+    InitResponseBuilder(responseCookie, 1, COUNTER_LATENCY_PQ_REGISTER_MESSAGE_GROUP);
+    ctx.Send(partActor, new TEvPQ::TEvRegisterMessageGroup(responseCookie, std::move(body.GetRef())));
+}
+
+void TPersQueue::HandleDeregisterMessageGroupRequest(ui64 responseCookie, const TActorId& partActor,
+    const NKikimrClient::TPersQueuePartitionRequest& req, const TActorContext& ctx)
+{
+    Y_VERIFY(req.HasCmdDeregisterMessageGroup());
+
+    NPersQueue::NErrorCode::EErrorCode code;
+    TString error;
+    auto body = MakeDeregisterMessageGroup(req.GetCmdDeregisterMessageGroup(), code, error);
+
+    if (!body) {
+        return ReplyError(ctx, responseCookie, code, error);
+    }
+
+    InitResponseBuilder(responseCookie, 1, COUNTER_LATENCY_PQ_DEREGISTER_MESSAGE_GROUP);
+    ctx.Send(partActor, new TEvPQ::TEvDeregisterMessageGroup(responseCookie, std::move(body.GetRef())));
+}
+
+void TPersQueue::HandleSplitMessageGroupRequest(ui64 responseCookie, const TActorId& partActor,
+    const NKikimrClient::TPersQueuePartitionRequest& req, const TActorContext& ctx)
+{
+    Y_VERIFY(req.HasCmdSplitMessageGroup());
+    const auto& cmd = req.GetCmdSplitMessageGroup();
+
+    NPersQueue::NErrorCode::EErrorCode code;
+    TString error;
+
+    TVector<TEvPQ::TEvDeregisterMessageGroup::TBody> deregistrations;
+    for (const auto& group : cmd.GetDeregisterGroups()) {
+        auto body = MakeDeregisterMessageGroup(group, code, error);
+        if (!body) {
+            return ReplyError(ctx, responseCookie, code, error);
+        }
+
+        deregistrations.push_back(std::move(body.GetRef()));
+    }
+
+    TVector<TEvPQ::TEvRegisterMessageGroup::TBody> registrations;
+    for (const auto& group : cmd.GetRegisterGroups()) {
+        if (group.GetAfterSplit()) {
+            return ReplyError(ctx, responseCookie, NPersQueue::NErrorCode::BAD_REQUEST, "AfterSplit cannot be set");
+        }
+
+        auto body = MakeRegisterMessageGroup(group, code, error);
+        if (!body) {
+            return ReplyError(ctx, responseCookie, code, error);
+        }
+
+        registrations.push_back(std::move(body.GetRef()));
+    }
+
+    InitResponseBuilder(responseCookie, 1, COUNTER_LATENCY_PQ_SPLIT_MESSAGE_GROUP);
+    ctx.Send(partActor, new TEvPQ::TEvSplitMessageGroup(responseCookie, std::move(deregistrations), std::move(registrations)));
+}
+
 void TPersQueue::Handle(TEvPersQueue::TEvRequest::TPtr& ev, const TActorContext& ctx)
 {
     NKikimrClient::TPersQueueRequest& request = ev->Get()->Record;
@@ -1845,19 +1845,19 @@ void TPersQueue::Handle(TEvPersQueue::TEvRequest::TPtr& ev, const TActorContext&
         return;
     }
 
-    ui32 count = req.HasCmdGetMaxSeqNo() 
-        + req.HasCmdDeleteSession() 
-        + req.HasCmdCreateSession() 
-        + req.HasCmdSetClientOffset() 
-        + req.HasCmdGetClientOffset() 
-        + req.HasCmdRead() 
-        + req.HasCmdGetOwnership() 
-        + (req.CmdWriteSize() > 0 ? 1 : 0) 
-        + req.HasCmdReserveBytes() 
-        + req.HasCmdUpdateWriteTimestamp() 
-        + req.HasCmdRegisterMessageGroup() 
-        + req.HasCmdDeregisterMessageGroup() 
-        + req.HasCmdSplitMessageGroup(); 
+    ui32 count = req.HasCmdGetMaxSeqNo()
+        + req.HasCmdDeleteSession()
+        + req.HasCmdCreateSession()
+        + req.HasCmdSetClientOffset()
+        + req.HasCmdGetClientOffset()
+        + req.HasCmdRead()
+        + req.HasCmdGetOwnership()
+        + (req.CmdWriteSize() > 0 ? 1 : 0)
+        + req.HasCmdReserveBytes()
+        + req.HasCmdUpdateWriteTimestamp()
+        + req.HasCmdRegisterMessageGroup()
+        + req.HasCmdDeregisterMessageGroup()
+        + req.HasCmdSplitMessageGroup();
 
     if (count != 1) {
         ReplyError(ctx, responseCookie, NPersQueue::NErrorCode::BAD_REQUEST,
@@ -1889,12 +1889,12 @@ void TPersQueue::Handle(TEvPersQueue::TEvRequest::TPtr& ev, const TActorContext&
         HandleGetOwnershipRequest(responseCookie, partActor, req, ctx, pipeClient, ev->Sender);
     } else if (req.HasCmdReserveBytes()) {
         HandleReserveBytesRequest(responseCookie, partActor, req, ctx, pipeClient, ev->Sender);
-    } else if (req.HasCmdRegisterMessageGroup()) { 
-        HandleRegisterMessageGroupRequest(responseCookie, partActor, req, ctx); 
-    } else if (req.HasCmdDeregisterMessageGroup()) { 
-        HandleDeregisterMessageGroupRequest(responseCookie, partActor, req, ctx); 
-    } else if (req.HasCmdSplitMessageGroup()) { 
-        HandleSplitMessageGroupRequest(responseCookie, partActor, req, ctx); 
+    } else if (req.HasCmdRegisterMessageGroup()) {
+        HandleRegisterMessageGroupRequest(responseCookie, partActor, req, ctx);
+    } else if (req.HasCmdDeregisterMessageGroup()) {
+        HandleDeregisterMessageGroupRequest(responseCookie, partActor, req, ctx);
+    } else if (req.HasCmdSplitMessageGroup()) {
+        HandleSplitMessageGroupRequest(responseCookie, partActor, req, ctx);
     } else Y_FAIL("unknown or empty command");
 }
 
diff --git a/ydb/core/persqueue/pq_impl.h b/ydb/core/persqueue/pq_impl.h
index aa161552b3..bc3bfb10ba 100644
--- a/ydb/core/persqueue/pq_impl.h
+++ b/ydb/core/persqueue/pq_impl.h
@@ -88,14 +88,14 @@ class TPersQueue : public NKeyValue::TKeyValueFlat {
     void FlushRequests(bool force, const TActorContext& ctx);
     void FlushShardData(bool force, const TActorContext& ctx);
 
-    TMaybe<TEvPQ::TEvRegisterMessageGroup::TBody> MakeRegisterMessageGroup( 
-        const NKikimrClient::TPersQueuePartitionRequest::TCmdRegisterMessageGroup& cmd, 
-        NPersQueue::NErrorCode::EErrorCode& code, TString& error) const; 
- 
-    TMaybe<TEvPQ::TEvDeregisterMessageGroup::TBody> MakeDeregisterMessageGroup( 
-        const NKikimrClient::TPersQueuePartitionRequest::TCmdDeregisterMessageGroup& cmd, 
-        NPersQueue::NErrorCode::EErrorCode& code, TString& error) const; 
- 
+    TMaybe<TEvPQ::TEvRegisterMessageGroup::TBody> MakeRegisterMessageGroup(
+        const NKikimrClient::TPersQueuePartitionRequest::TCmdRegisterMessageGroup& cmd,
+        NPersQueue::NErrorCode::EErrorCode& code, TString& error) const;
+
+    TMaybe<TEvPQ::TEvDeregisterMessageGroup::TBody> MakeDeregisterMessageGroup(
+        const NKikimrClient::TPersQueuePartitionRequest::TCmdDeregisterMessageGroup& cmd,
+        NPersQueue::NErrorCode::EErrorCode& code, TString& error) const;
+
     //client request
     void Handle(TEvPersQueue::TEvRequest::TPtr& ev, const TActorContext& ctx);
 #define DESCRIBE_HANDLE(A) void A(const ui64 responseCookie, const TActorId& partActor, \
@@ -108,9 +108,9 @@ class TPersQueue : public NKeyValue::TKeyValueFlat {
     DESCRIBE_HANDLE(HandleWriteRequest)
     DESCRIBE_HANDLE(HandleUpdateWriteTimestampRequest)
     DESCRIBE_HANDLE(HandleReadRequest)
-    DESCRIBE_HANDLE(HandleRegisterMessageGroupRequest) 
-    DESCRIBE_HANDLE(HandleDeregisterMessageGroupRequest) 
-    DESCRIBE_HANDLE(HandleSplitMessageGroupRequest) 
+    DESCRIBE_HANDLE(HandleRegisterMessageGroupRequest)
+    DESCRIBE_HANDLE(HandleDeregisterMessageGroupRequest)
+    DESCRIBE_HANDLE(HandleSplitMessageGroupRequest)
 #undef DESCRIBE_HANDLE
 #define DESCRIBE_HANDLE_WITH_SENDER(A) void A(const ui64 responseCookie, const TActorId& partActor, \
                                   const NKikimrClient::TPersQueuePartitionRequest& req, const TActorContext& ctx,\
@@ -148,7 +148,7 @@ private:
     TString TopicPath;
     bool LocalDC;
     TString DCId;
-    TVector<NScheme::TTypeId> KeySchema; 
+    TVector<NScheme::TTypeId> KeySchema;
     NKikimrPQ::TPQTabletConfig Config;
 
     NKikimrPQ::ETabletState TabletState;
diff --git a/ydb/core/persqueue/pq_ut.cpp b/ydb/core/persqueue/pq_ut.cpp
index cdbffb0cad..13a6122910 100644
--- a/ydb/core/persqueue/pq_ut.cpp
+++ b/ydb/core/persqueue/pq_ut.cpp
@@ -1280,7 +1280,7 @@ Y_UNIT_TEST(TestSourceIdDropBySourceIdCount) {
         }
         CmdWrite(0,"sourceid0", data, tc, false);
         Cout << "written sourceid0" << Endl;
-        PQGetPartInfo(2000, 3007, tc); 
+        PQGetPartInfo(2000, 3007, tc);
     });
 }
 
diff --git a/ydb/core/persqueue/pq_ut.h b/ydb/core/persqueue/pq_ut.h
index 4c9de04054..3db93bc104 100644
--- a/ydb/core/persqueue/pq_ut.h
+++ b/ydb/core/persqueue/pq_ut.h
@@ -223,7 +223,7 @@ void PQTabletPrepare(ui32 mcip, ui64 msip, ui32 deleteTime, const TVector<std::p
 
             THolder<TEvPersQueue::TEvUpdateConfig> request(new TEvPersQueue::TEvUpdateConfig());
             for (i32 i = 0; i < partitions; ++i) {
-                request->Record.MutableTabletConfig()->AddPartitionIds(i); 
+                request->Record.MutableTabletConfig()->AddPartitionIds(i);
             }
             request->Record.MutableTabletConfig()->SetCacheSize(10*1024*1024);
             request->Record.SetTxId(12345);
diff --git a/ydb/core/persqueue/sourceid.cpp b/ydb/core/persqueue/sourceid.cpp
index 39856ce5a1..a63b2f6f70 100644
--- a/ydb/core/persqueue/sourceid.cpp
+++ b/ydb/core/persqueue/sourceid.cpp
@@ -1,429 +1,429 @@
 #include "sourceid.h"
 #include "ownerinfo.h"
- 
+
 #include <ydb/core/persqueue/partition.h>
- 
-#include <util/generic/size_literals.h> 
- 
-#include <algorithm> 
+
+#include <util/generic/size_literals.h>
+
+#include <algorithm>
 
 namespace NKikimr {
 namespace NPQ {
 
-static constexpr ui64 MAX_DELETE_COMMAND_SIZE = 10_MB; 
-static constexpr ui64 MAX_DELETE_COMMAND_COUNT = 1000; 
-
-template <typename T> 
-T ReadAs(const TString& data, ui32& pos) { 
-    auto result = *((T*)(data.c_str() + pos)); 
-    pos += sizeof(T); 
-    return result; 
-} 
-
-template <typename T> 
-T ReadAs(const TString& data, ui32& pos, const T& default_) { 
-    if (pos + sizeof(T) <= data.size()) { 
-        return ReadAs<T>(data, pos); 
-    } else { 
-        return default_; 
-    } 
-} 
-
-template <typename T> 
-void Write(T value, TBuffer& data, ui32& pos) { 
-    memcpy(data.Data() + pos, &value, sizeof(T)); 
-    pos += sizeof(T); 
-} 
-
-TSourceIdInfo::EState TSourceIdInfo::ConvertState(NKikimrPQ::TMessageGroupInfo::EState value) { 
-    switch (value) { 
-    case NKikimrPQ::TMessageGroupInfo::STATE_REGISTERED: 
-        return TSourceIdInfo::EState::Registered; 
-    case NKikimrPQ::TMessageGroupInfo::STATE_PENDING_REGISTRATION: 
-        return TSourceIdInfo::EState::PendingRegistration; 
-    default: 
-        return TSourceIdInfo::EState::Unknown; 
-    } 
-} 
- 
-NKikimrPQ::TMessageGroupInfo::EState TSourceIdInfo::ConvertState(TSourceIdInfo::EState value) { 
-    switch (value) { 
-    case TSourceIdInfo::EState::Registered: 
-        return NKikimrPQ::TMessageGroupInfo::STATE_REGISTERED; 
-    case TSourceIdInfo::EState::PendingRegistration: 
-        return NKikimrPQ::TMessageGroupInfo::STATE_PENDING_REGISTRATION; 
-    case TSourceIdInfo::EState::Unknown: 
-        return NKikimrPQ::TMessageGroupInfo::STATE_UNKNOWN; 
-    } 
-} 
- 
-void FillWrite(const TKeyPrefix& key, const TBuffer& data, NKikimrClient::TKeyValueRequest::TCmdWrite& cmd) { 
-    cmd.SetKey(key.Data(), key.Size()); 
-    cmd.SetValue(data.Data(), data.Size()); 
-    cmd.SetStorageChannel(NKikimrClient::TKeyValueRequest::INLINE); 
-} 
- 
-void FillDelete(const TKeyPrefix& key, NKikimrClient::TKeyValueRequest::TCmdDeleteRange& cmd) { 
-    auto& range = *cmd.MutableRange(); 
-    range.SetFrom(key.Data(), key.Size()); 
-    range.SetIncludeFrom(true); 
-    range.SetTo(key.Data(), key.Size()); 
-    range.SetIncludeTo(true); 
-} 
- 
-void FillDelete(ui32 partition, const TString& sourceId, TKeyPrefix::EMark mark, NKikimrClient::TKeyValueRequest::TCmdDeleteRange& cmd) { 
-    TKeyPrefix key(TKeyPrefix::TypeInfo, partition, mark); 
-    key.Append(sourceId.c_str(), sourceId.size()); 
-    FillDelete(key, cmd); 
-} 
- 
-void FillDelete(ui32 partition, const TString& sourceId, NKikimrClient::TKeyValueRequest::TCmdDeleteRange& cmd) { 
-    FillDelete(partition, sourceId, TKeyPrefix::MarkProtoSourceId, cmd); 
-} 
- 
-TSourceIdInfo::TSourceIdInfo(ui64 seqNo, ui64 offset, TInstant createTs) 
-    : SeqNo(seqNo) 
-    , Offset(offset) 
-    , WriteTimestamp(createTs) 
-    , CreateTimestamp(createTs) 
-{ 
-} 
- 
-TSourceIdInfo::TSourceIdInfo(ui64 seqNo, ui64 offset, TInstant createTs, TMaybe<TPartitionKeyRange>&& keyRange, bool isInSplit) 
-    : SeqNo(seqNo) 
-    , Offset(offset) 
-    , CreateTimestamp(createTs) 
-    , Explicit(true) 
-    , KeyRange(std::move(keyRange)) 
-{ 
-    if (isInSplit) { 
-        State = EState::PendingRegistration; 
-    } 
-} 
- 
-TSourceIdInfo TSourceIdInfo::Updated(ui64 seqNo, ui64 offset, TInstant writeTs) const { 
-    auto copy = *this; 
-    copy.SeqNo = seqNo; 
-    copy.Offset = offset; 
-    copy.WriteTimestamp = writeTs; 
- 
-    return copy; 
-} 
- 
-TSourceIdInfo TSourceIdInfo::Parse(const TString& data, TInstant now) { 
-    Y_VERIFY(data.size() >= 2 * sizeof(ui64), "Data must contain at least SeqNo & Offset"); 
-    ui32 pos = 0; 
- 
-    TSourceIdInfo result; 
-    result.SeqNo = ReadAs<ui64>(data, pos); 
-    result.Offset = ReadAs<ui64>(data, pos); 
-    result.WriteTimestamp = TInstant::MilliSeconds(ReadAs<ui64>(data, pos, now.MilliSeconds())); 
-    result.CreateTimestamp = TInstant::MilliSeconds(ReadAs<ui64>(data, pos, now.MilliSeconds())); 
- 
-    Y_VERIFY(result.SeqNo <= (ui64)Max<i64>(), "SeqNo is too big: %" PRIu64, result.SeqNo); 
-    Y_VERIFY(result.Offset <= (ui64)Max<i64>(), "Offset is too big: %" PRIu64, result.Offset); 
- 
-    return result; 
-} 
- 
-void TSourceIdInfo::Serialize(TBuffer& data) const { 
-    Y_VERIFY(!Explicit); 
-    Y_VERIFY(!KeyRange); 
- 
-    data.Resize(4 * sizeof(ui64)); 
-    ui32 pos = 0; 
- 
-    Write<ui64>(SeqNo, data, pos); 
-    Write<ui64>(Offset, data, pos); 
-    Write<ui64>(WriteTimestamp.MilliSeconds(), data, pos); 
-    Write<ui64>(CreateTimestamp.MilliSeconds(), data, pos); 
-} 
- 
-TSourceIdInfo TSourceIdInfo::Parse(const NKikimrPQ::TMessageGroupInfo& proto) { 
-    TSourceIdInfo result; 
-    result.SeqNo = proto.GetSeqNo(); 
-    result.Offset = proto.GetOffset(); 
-    result.WriteTimestamp = TInstant::FromValue(proto.GetWriteTimestamp()); 
-    result.CreateTimestamp = TInstant::FromValue(proto.GetCreateTimestamp()); 
-    result.Explicit = proto.GetExplicit(); 
-    if (result.Explicit) { 
-        result.State = ConvertState(proto.GetState()); 
-    } 
-    if (proto.HasKeyRange()) { 
-        result.KeyRange = TPartitionKeyRange::Parse(proto.GetKeyRange()); 
-    } 
- 
-    return result; 
-} 
- 
-void TSourceIdInfo::Serialize(NKikimrPQ::TMessageGroupInfo& proto) const { 
-    proto.SetSeqNo(SeqNo); 
-    proto.SetOffset(Offset); 
-    proto.SetWriteTimestamp(WriteTimestamp.GetValue()); 
-    proto.SetCreateTimestamp(CreateTimestamp.GetValue()); 
-    proto.SetExplicit(Explicit); 
-    if (Explicit) { 
-        proto.SetState(ConvertState(State)); 
-    } 
-    if (KeyRange) { 
-        KeyRange->Serialize(*proto.MutableKeyRange()); 
-    } 
-} 
- 
-bool TSourceIdInfo::operator==(const TSourceIdInfo& rhs) const { 
-    return SeqNo == rhs.SeqNo 
-        && Offset == rhs.Offset 
-        && WriteTimestamp == rhs.WriteTimestamp 
-        && CreateTimestamp == rhs.CreateTimestamp 
-        && Explicit == rhs.Explicit 
-        && State == rhs.State; 
-} 
- 
-void TSourceIdInfo::Out(IOutputStream& out) const { 
-    out << "{" 
-        << " SeqNo: " << SeqNo 
-        << " Offset: " << Offset 
-        << " WriteTimestamp: " << WriteTimestamp.GetValue() 
-        << " CreateTimestamp: " << CreateTimestamp.GetValue() 
-        << " Explicit: " << (Explicit ? "true" : "false") 
-        << " State: " << State 
-    << " }"; 
-} 
- 
-bool TSourceIdInfo::IsExpired(TDuration ttl, TInstant now) const { 
-    Y_VERIFY_DEBUG(!Explicit); 
-    return !Explicit && ((WriteTimestamp + ttl) <= now); 
-} 
- 
-/// TSourceIdStorage 
-void TSourceIdStorage::DeregisterSourceId(const TString& sourceId) { 
-    auto it = InMemorySourceIds.find(sourceId); 
-    if (it == InMemorySourceIds.end()) { 
-        return; 
-    } 
- 
-    SourceIdsByOffset.erase(std::make_pair(it->second.Offset, sourceId)); 
-    InMemorySourceIds.erase(it); 
- 
-    auto jt = SourceIdOwners.find(sourceId); 
-    if (jt != SourceIdOwners.end()) { 
-        OwnersToDrop.push_back(jt->second); 
-        SourceIdOwners.erase(jt); 
-    } 
-} 
- 
-bool TSourceIdStorage::DropOldSourceIds(TEvKeyValue::TEvRequest* request, TInstant now, ui64 startOffset, ui32 partition, const NKikimrPQ::TPartitionConfig& config) { 
-    TVector<std::pair<ui64, TString>> toDelOffsets; 
-
-    ui64 maxDeleteSourceIds = 0; 
-    if (InMemorySourceIds.size() > config.GetSourceIdMaxCounts()) { 
-        maxDeleteSourceIds = InMemorySourceIds.size() - config.GetSourceIdMaxCounts(); 
-        maxDeleteSourceIds = Min(maxDeleteSourceIds, MAX_DELETE_COMMAND_COUNT); 
-    } 
- 
-    Y_VERIFY(maxDeleteSourceIds <= InMemorySourceIds.size()); 
- 
-    const auto ttl = TDuration::Seconds(config.GetSourceIdLifetimeSeconds()); 
-    ui32 size = request->Record.ByteSize(); 
- 
-    for (const auto& [offset, sourceId] : SourceIdsByOffset) { 
-        if (offset >= startOffset && toDelOffsets.size() >= maxDeleteSourceIds) { 
-            break; 
-        } 
- 
-        auto it = InMemorySourceIds.find(sourceId); 
-        Y_VERIFY(it != InMemorySourceIds.end()); 
-        if (it->second.Explicit) { 
-            continue; 
-        } 
- 
-        if (toDelOffsets.size() < maxDeleteSourceIds || it->second.IsExpired(ttl, now)) { 
-            toDelOffsets.emplace_back(offset, sourceId); 
- 
-            bool reachedLimit = false; 
-            for (const auto mark : {TKeyPrefix::MarkSourceId, TKeyPrefix::MarkProtoSourceId}) { 
-                auto& cmd = *request->Record.AddCmdDeleteRange(); 
-                FillDelete(partition, sourceId, mark, cmd); 
- 
-                size += cmd.ByteSize(); 
-                if (size >= MAX_DELETE_COMMAND_SIZE || toDelOffsets.size() >= MAX_DELETE_COMMAND_COUNT) { 
-                    LOG_INFO_S(*TlsActivationContext, NKikimrServices::PERSQUEUE, "DropOldSourceIds reached proto size limit" 
-                        << ": size# " << size 
-                        << ", count# " << toDelOffsets.size()); 
-                    reachedLimit = true; 
-                    break; 
-                } 
+static constexpr ui64 MAX_DELETE_COMMAND_SIZE = 10_MB;
+static constexpr ui64 MAX_DELETE_COMMAND_COUNT = 1000;
+
+template <typename T>
+T ReadAs(const TString& data, ui32& pos) {
+    auto result = *((T*)(data.c_str() + pos));
+    pos += sizeof(T);
+    return result;
+}
+
+template <typename T>
+T ReadAs(const TString& data, ui32& pos, const T& default_) {
+    if (pos + sizeof(T) <= data.size()) {
+        return ReadAs<T>(data, pos);
+    } else {
+        return default_;
+    }
+}
+
+template <typename T>
+void Write(T value, TBuffer& data, ui32& pos) {
+    memcpy(data.Data() + pos, &value, sizeof(T));
+    pos += sizeof(T);
+}
+
+TSourceIdInfo::EState TSourceIdInfo::ConvertState(NKikimrPQ::TMessageGroupInfo::EState value) {
+    switch (value) {
+    case NKikimrPQ::TMessageGroupInfo::STATE_REGISTERED:
+        return TSourceIdInfo::EState::Registered;
+    case NKikimrPQ::TMessageGroupInfo::STATE_PENDING_REGISTRATION:
+        return TSourceIdInfo::EState::PendingRegistration;
+    default:
+        return TSourceIdInfo::EState::Unknown;
+    }
+}
+
+NKikimrPQ::TMessageGroupInfo::EState TSourceIdInfo::ConvertState(TSourceIdInfo::EState value) {
+    switch (value) {
+    case TSourceIdInfo::EState::Registered:
+        return NKikimrPQ::TMessageGroupInfo::STATE_REGISTERED;
+    case TSourceIdInfo::EState::PendingRegistration:
+        return NKikimrPQ::TMessageGroupInfo::STATE_PENDING_REGISTRATION;
+    case TSourceIdInfo::EState::Unknown:
+        return NKikimrPQ::TMessageGroupInfo::STATE_UNKNOWN;
+    }
+}
+
+void FillWrite(const TKeyPrefix& key, const TBuffer& data, NKikimrClient::TKeyValueRequest::TCmdWrite& cmd) {
+    cmd.SetKey(key.Data(), key.Size());
+    cmd.SetValue(data.Data(), data.Size());
+    cmd.SetStorageChannel(NKikimrClient::TKeyValueRequest::INLINE);
+}
+
+void FillDelete(const TKeyPrefix& key, NKikimrClient::TKeyValueRequest::TCmdDeleteRange& cmd) {
+    auto& range = *cmd.MutableRange();
+    range.SetFrom(key.Data(), key.Size());
+    range.SetIncludeFrom(true);
+    range.SetTo(key.Data(), key.Size());
+    range.SetIncludeTo(true);
+}
+
+void FillDelete(ui32 partition, const TString& sourceId, TKeyPrefix::EMark mark, NKikimrClient::TKeyValueRequest::TCmdDeleteRange& cmd) {
+    TKeyPrefix key(TKeyPrefix::TypeInfo, partition, mark);
+    key.Append(sourceId.c_str(), sourceId.size());
+    FillDelete(key, cmd);
+}
+
+void FillDelete(ui32 partition, const TString& sourceId, NKikimrClient::TKeyValueRequest::TCmdDeleteRange& cmd) {
+    FillDelete(partition, sourceId, TKeyPrefix::MarkProtoSourceId, cmd);
+}
+
+TSourceIdInfo::TSourceIdInfo(ui64 seqNo, ui64 offset, TInstant createTs)
+    : SeqNo(seqNo)
+    , Offset(offset)
+    , WriteTimestamp(createTs)
+    , CreateTimestamp(createTs)
+{
+}
+
+TSourceIdInfo::TSourceIdInfo(ui64 seqNo, ui64 offset, TInstant createTs, TMaybe<TPartitionKeyRange>&& keyRange, bool isInSplit)
+    : SeqNo(seqNo)
+    , Offset(offset)
+    , CreateTimestamp(createTs)
+    , Explicit(true)
+    , KeyRange(std::move(keyRange))
+{
+    if (isInSplit) {
+        State = EState::PendingRegistration;
+    }
+}
+
+TSourceIdInfo TSourceIdInfo::Updated(ui64 seqNo, ui64 offset, TInstant writeTs) const {
+    auto copy = *this;
+    copy.SeqNo = seqNo;
+    copy.Offset = offset;
+    copy.WriteTimestamp = writeTs;
+
+    return copy;
+}
+
+TSourceIdInfo TSourceIdInfo::Parse(const TString& data, TInstant now) {
+    Y_VERIFY(data.size() >= 2 * sizeof(ui64), "Data must contain at least SeqNo & Offset");
+    ui32 pos = 0;
+
+    TSourceIdInfo result;
+    result.SeqNo = ReadAs<ui64>(data, pos);
+    result.Offset = ReadAs<ui64>(data, pos);
+    result.WriteTimestamp = TInstant::MilliSeconds(ReadAs<ui64>(data, pos, now.MilliSeconds()));
+    result.CreateTimestamp = TInstant::MilliSeconds(ReadAs<ui64>(data, pos, now.MilliSeconds()));
+
+    Y_VERIFY(result.SeqNo <= (ui64)Max<i64>(), "SeqNo is too big: %" PRIu64, result.SeqNo);
+    Y_VERIFY(result.Offset <= (ui64)Max<i64>(), "Offset is too big: %" PRIu64, result.Offset);
+
+    return result;
+}
+
+void TSourceIdInfo::Serialize(TBuffer& data) const {
+    Y_VERIFY(!Explicit);
+    Y_VERIFY(!KeyRange);
+
+    data.Resize(4 * sizeof(ui64));
+    ui32 pos = 0;
+
+    Write<ui64>(SeqNo, data, pos);
+    Write<ui64>(Offset, data, pos);
+    Write<ui64>(WriteTimestamp.MilliSeconds(), data, pos);
+    Write<ui64>(CreateTimestamp.MilliSeconds(), data, pos);
+}
+
+TSourceIdInfo TSourceIdInfo::Parse(const NKikimrPQ::TMessageGroupInfo& proto) {
+    TSourceIdInfo result;
+    result.SeqNo = proto.GetSeqNo();
+    result.Offset = proto.GetOffset();
+    result.WriteTimestamp = TInstant::FromValue(proto.GetWriteTimestamp());
+    result.CreateTimestamp = TInstant::FromValue(proto.GetCreateTimestamp());
+    result.Explicit = proto.GetExplicit();
+    if (result.Explicit) {
+        result.State = ConvertState(proto.GetState());
+    }
+    if (proto.HasKeyRange()) {
+        result.KeyRange = TPartitionKeyRange::Parse(proto.GetKeyRange());
+    }
+
+    return result;
+}
+
+void TSourceIdInfo::Serialize(NKikimrPQ::TMessageGroupInfo& proto) const {
+    proto.SetSeqNo(SeqNo);
+    proto.SetOffset(Offset);
+    proto.SetWriteTimestamp(WriteTimestamp.GetValue());
+    proto.SetCreateTimestamp(CreateTimestamp.GetValue());
+    proto.SetExplicit(Explicit);
+    if (Explicit) {
+        proto.SetState(ConvertState(State));
+    }
+    if (KeyRange) {
+        KeyRange->Serialize(*proto.MutableKeyRange());
+    }
+}
+
+bool TSourceIdInfo::operator==(const TSourceIdInfo& rhs) const {
+    return SeqNo == rhs.SeqNo
+        && Offset == rhs.Offset
+        && WriteTimestamp == rhs.WriteTimestamp
+        && CreateTimestamp == rhs.CreateTimestamp
+        && Explicit == rhs.Explicit
+        && State == rhs.State;
+}
+
+void TSourceIdInfo::Out(IOutputStream& out) const {
+    out << "{"
+        << " SeqNo: " << SeqNo
+        << " Offset: " << Offset
+        << " WriteTimestamp: " << WriteTimestamp.GetValue()
+        << " CreateTimestamp: " << CreateTimestamp.GetValue()
+        << " Explicit: " << (Explicit ? "true" : "false")
+        << " State: " << State
+    << " }";
+}
+
+bool TSourceIdInfo::IsExpired(TDuration ttl, TInstant now) const {
+    Y_VERIFY_DEBUG(!Explicit);
+    return !Explicit && ((WriteTimestamp + ttl) <= now);
+}
+
+/// TSourceIdStorage
+void TSourceIdStorage::DeregisterSourceId(const TString& sourceId) {
+    auto it = InMemorySourceIds.find(sourceId);
+    if (it == InMemorySourceIds.end()) {
+        return;
+    }
+
+    SourceIdsByOffset.erase(std::make_pair(it->second.Offset, sourceId));
+    InMemorySourceIds.erase(it);
+
+    auto jt = SourceIdOwners.find(sourceId);
+    if (jt != SourceIdOwners.end()) {
+        OwnersToDrop.push_back(jt->second);
+        SourceIdOwners.erase(jt);
+    }
+}
+
+bool TSourceIdStorage::DropOldSourceIds(TEvKeyValue::TEvRequest* request, TInstant now, ui64 startOffset, ui32 partition, const NKikimrPQ::TPartitionConfig& config) {
+    TVector<std::pair<ui64, TString>> toDelOffsets;
+
+    ui64 maxDeleteSourceIds = 0;
+    if (InMemorySourceIds.size() > config.GetSourceIdMaxCounts()) {
+        maxDeleteSourceIds = InMemorySourceIds.size() - config.GetSourceIdMaxCounts();
+        maxDeleteSourceIds = Min(maxDeleteSourceIds, MAX_DELETE_COMMAND_COUNT);
+    }
+
+    Y_VERIFY(maxDeleteSourceIds <= InMemorySourceIds.size());
+
+    const auto ttl = TDuration::Seconds(config.GetSourceIdLifetimeSeconds());
+    ui32 size = request->Record.ByteSize();
+
+    for (const auto& [offset, sourceId] : SourceIdsByOffset) {
+        if (offset >= startOffset && toDelOffsets.size() >= maxDeleteSourceIds) {
+            break;
+        }
+
+        auto it = InMemorySourceIds.find(sourceId);
+        Y_VERIFY(it != InMemorySourceIds.end());
+        if (it->second.Explicit) {
+            continue;
+        }
+
+        if (toDelOffsets.size() < maxDeleteSourceIds || it->second.IsExpired(ttl, now)) {
+            toDelOffsets.emplace_back(offset, sourceId);
+
+            bool reachedLimit = false;
+            for (const auto mark : {TKeyPrefix::MarkSourceId, TKeyPrefix::MarkProtoSourceId}) {
+                auto& cmd = *request->Record.AddCmdDeleteRange();
+                FillDelete(partition, sourceId, mark, cmd);
+
+                size += cmd.ByteSize();
+                if (size >= MAX_DELETE_COMMAND_SIZE || toDelOffsets.size() >= MAX_DELETE_COMMAND_COUNT) {
+                    LOG_INFO_S(*TlsActivationContext, NKikimrServices::PERSQUEUE, "DropOldSourceIds reached proto size limit"
+                        << ": size# " << size
+                        << ", count# " << toDelOffsets.size());
+                    reachedLimit = true;
+                    break;
+                }
             }
 
-            if (reachedLimit) { 
-                break; // Check here size to prevent crashing in protobuf verify -max size is 25Mb's and no more then 100K operations 
-                       // but even 10Mbs sounds too big here. 
-                       // Rest of SourceIds will be deleted in next DropOldSourceIds calls, whitch will be made 
-                       // right after complete of current deletion. 
+            if (reachedLimit) {
+                break; // Check here size to prevent crashing in protobuf verify -max size is 25Mb's and no more then 100K operations
+                       // but even 10Mbs sounds too big here.
+                       // Rest of SourceIds will be deleted in next DropOldSourceIds calls, whitch will be made
+                       // right after complete of current deletion.
             }
-        } else { 
-            // there are no space for new sourcID to delete, stop check sourceIds 
-            break; 
+        } else {
+            // there are no space for new sourcID to delete, stop check sourceIds
+            break;
+        }
+    }
+
+    for (auto& t : toDelOffsets) {
+        // delete sourceId from memory
+        size_t res = InMemorySourceIds.erase(t.second);
+        Y_VERIFY(res == 1);
+        // delete sourceID from offsets
+        res = SourceIdsByOffset.erase(t);
+        Y_VERIFY(res == 1);
+        // save owners to drop and delete records from map
+        auto it = SourceIdOwners.find(t.second);
+        if (it != SourceIdOwners.end()) {
+            OwnersToDrop.push_back(it->second);
+            SourceIdOwners.erase(it);
         }
     }
 
-    for (auto& t : toDelOffsets) { 
-        // delete sourceId from memory 
-        size_t res = InMemorySourceIds.erase(t.second); 
-        Y_VERIFY(res == 1); 
-        // delete sourceID from offsets 
-        res = SourceIdsByOffset.erase(t); 
-        Y_VERIFY(res == 1); 
-        // save owners to drop and delete records from map 
-        auto it = SourceIdOwners.find(t.second); 
-        if (it != SourceIdOwners.end()) { 
-            OwnersToDrop.push_back(it->second); 
-            SourceIdOwners.erase(it); 
-        } 
-    } 
- 
-    return !toDelOffsets.empty(); 
-} 
- 
-void TSourceIdStorage::LoadSourceIdInfo(const TString& key, const TString& data, TInstant now) { 
-    Y_VERIFY(key.size() >= TKeyPrefix::MarkedSize()); 
- 
-    const auto mark = TKeyPrefix::EMark(key[TKeyPrefix::MarkPosition()]); 
-    switch (mark) { 
-    case TKeyPrefix::MarkSourceId: 
-        return LoadRawSourceIdInfo(key, data, now); 
-    case TKeyPrefix::MarkProtoSourceId: 
-        return LoadProtoSourceIdInfo(key, data); 
-    default: 
-        Y_FAIL_S("Unexpected mark: " << (char)mark); 
-    } 
-} 
-
-void TSourceIdStorage::LoadRawSourceIdInfo(const TString& key, const TString& data, TInstant now) { 
-    Y_VERIFY(key.size() >= TKeyPrefix::MarkedSize()); 
-    Y_VERIFY(key[TKeyPrefix::MarkPosition()] == TKeyPrefix::MarkSourceId); 
- 
-    RegisterSourceIdInfo(key.substr(TKeyPrefix::MarkedSize()), TSourceIdInfo::Parse(data, now), true); 
-} 
- 
-void TSourceIdStorage::LoadProtoSourceIdInfo(const TString& key, const TString& data) { 
-    Y_VERIFY(key.size() >= TKeyPrefix::MarkedSize()); 
-    Y_VERIFY(key[TKeyPrefix::MarkPosition()] == TKeyPrefix::MarkProtoSourceId); 
- 
-    NKikimrPQ::TMessageGroupInfo proto; 
-    const bool ok = proto.ParseFromString(data); 
-    Y_VERIFY(ok); 
- 
-    RegisterSourceIdInfo(key.substr(TKeyPrefix::MarkedSize()), TSourceIdInfo::Parse(proto), true); 
-} 
-
-void TSourceIdStorage::RegisterSourceIdInfo(const TString& sourceId, TSourceIdInfo&& sourceIdInfo, bool load) { 
-    auto it = InMemorySourceIds.find(sourceId); 
-    if (it != InMemorySourceIds.end()) { 
-        Y_VERIFY(!load); 
-        const auto res = SourceIdsByOffset.erase(std::make_pair(it->second.Offset, sourceId)); 
-        Y_VERIFY(res == 1); 
-    } 
-
-    const auto offset = sourceIdInfo.Offset; 
-    InMemorySourceIds[sourceId] = std::move(sourceIdInfo); 
- 
-    const bool res = SourceIdsByOffset.emplace(offset, sourceId).second; 
-    Y_VERIFY(res); 
-} 
-
-void TSourceIdStorage::RegisterSourceIdOwner(const TString& sourceId, const TStringBuf& ownerCookie) { 
-    if (ownerCookie == "default") { 
-        // cookie for legacy http protocol - skip it, we use one cookie for all write sessions 
-        return; 
+    return !toDelOffsets.empty();
+}
+
+void TSourceIdStorage::LoadSourceIdInfo(const TString& key, const TString& data, TInstant now) {
+    Y_VERIFY(key.size() >= TKeyPrefix::MarkedSize());
+
+    const auto mark = TKeyPrefix::EMark(key[TKeyPrefix::MarkPosition()]);
+    switch (mark) {
+    case TKeyPrefix::MarkSourceId:
+        return LoadRawSourceIdInfo(key, data, now);
+    case TKeyPrefix::MarkProtoSourceId:
+        return LoadProtoSourceIdInfo(key, data);
+    default:
+        Y_FAIL_S("Unexpected mark: " << (char)mark);
+    }
+}
+
+void TSourceIdStorage::LoadRawSourceIdInfo(const TString& key, const TString& data, TInstant now) {
+    Y_VERIFY(key.size() >= TKeyPrefix::MarkedSize());
+    Y_VERIFY(key[TKeyPrefix::MarkPosition()] == TKeyPrefix::MarkSourceId);
+
+    RegisterSourceIdInfo(key.substr(TKeyPrefix::MarkedSize()), TSourceIdInfo::Parse(data, now), true);
+}
+
+void TSourceIdStorage::LoadProtoSourceIdInfo(const TString& key, const TString& data) {
+    Y_VERIFY(key.size() >= TKeyPrefix::MarkedSize());
+    Y_VERIFY(key[TKeyPrefix::MarkPosition()] == TKeyPrefix::MarkProtoSourceId);
+
+    NKikimrPQ::TMessageGroupInfo proto;
+    const bool ok = proto.ParseFromString(data);
+    Y_VERIFY(ok);
+
+    RegisterSourceIdInfo(key.substr(TKeyPrefix::MarkedSize()), TSourceIdInfo::Parse(proto), true);
+}
+
+void TSourceIdStorage::RegisterSourceIdInfo(const TString& sourceId, TSourceIdInfo&& sourceIdInfo, bool load) {
+    auto it = InMemorySourceIds.find(sourceId);
+    if (it != InMemorySourceIds.end()) {
+        Y_VERIFY(!load);
+        const auto res = SourceIdsByOffset.erase(std::make_pair(it->second.Offset, sourceId));
+        Y_VERIFY(res == 1);
     }
-    // owner cookie could be deleted in main object - so we should copy it 
-    SourceIdOwners[sourceId] = ownerCookie; 
-} 
-
-void TSourceIdStorage::MarkOwnersForDeletedSourceId(THashMap<TString, TOwnerInfo>& owners) { 
-    for (auto& sourceid : OwnersToDrop) { 
-        auto it = owners.find(sourceid); 
-        if (it != owners.end()) { 
-             it->second.SourceIdDeleted = true; 
+
+    const auto offset = sourceIdInfo.Offset;
+    InMemorySourceIds[sourceId] = std::move(sourceIdInfo);
+
+    const bool res = SourceIdsByOffset.emplace(offset, sourceId).second;
+    Y_VERIFY(res);
+}
+
+void TSourceIdStorage::RegisterSourceIdOwner(const TString& sourceId, const TStringBuf& ownerCookie) {
+    if (ownerCookie == "default") {
+        // cookie for legacy http protocol - skip it, we use one cookie for all write sessions
+        return;
+    }
+    // owner cookie could be deleted in main object - so we should copy it
+    SourceIdOwners[sourceId] = ownerCookie;
+}
+
+void TSourceIdStorage::MarkOwnersForDeletedSourceId(THashMap<TString, TOwnerInfo>& owners) {
+    for (auto& sourceid : OwnersToDrop) {
+        auto it = owners.find(sourceid);
+        if (it != owners.end()) {
+             it->second.SourceIdDeleted = true;
         }
     }
 
-    OwnersToDrop.clear(); 
-} 
+    OwnersToDrop.clear();
+}
 
-TInstant TSourceIdStorage::MinAvailableTimestamp(TInstant now) const { 
-    TInstant ds = now; 
-    if (!SourceIdsByOffset.empty()) { 
-        auto it = InMemorySourceIds.find(SourceIdsByOffset.begin()->second); 
-        Y_VERIFY(it != InMemorySourceIds.end()); 
-        ds = Min(ds, it->second.WriteTimestamp); 
+TInstant TSourceIdStorage::MinAvailableTimestamp(TInstant now) const {
+    TInstant ds = now;
+    if (!SourceIdsByOffset.empty()) {
+        auto it = InMemorySourceIds.find(SourceIdsByOffset.begin()->second);
+        Y_VERIFY(it != InMemorySourceIds.end());
+        ds = Min(ds, it->second.WriteTimestamp);
     }
- 
-    return ds; 
-} 
-
-/// TSourceIdWriter 
-TSourceIdWriter::TSourceIdWriter(ESourceIdFormat format) 
-    : Format(format) 
-{ 
-} 
-
-void TSourceIdWriter::DeregisterSourceId(const TString& sourceId) { 
-    Deregistrations.insert(sourceId); 
-} 
- 
-void TSourceIdWriter::Clear() { 
-    Registrations.clear(); 
-    Deregistrations.clear(); 
-} 
- 
-void TSourceIdWriter::FillKeyAndData(ESourceIdFormat format, const TString& sourceId, const TSourceIdInfo& sourceIdInfo, TKeyPrefix& key, TBuffer& data) { 
-    key.Resize(TKeyPrefix::MarkedSize()); 
-    key.Append(sourceId.c_str(), sourceId.size()); 
- 
-    switch (format) { 
-    case ESourceIdFormat::Raw: 
-        return FillRawData(sourceIdInfo, data); 
-    case ESourceIdFormat::Proto: 
-        return FillProtoData(sourceIdInfo, data); 
-    } 
-} 
- 
-void TSourceIdWriter::FillRawData(const TSourceIdInfo& sourceIdInfo, TBuffer& data) { 
-    sourceIdInfo.Serialize(data); 
-} 
- 
-void TSourceIdWriter::FillProtoData(const TSourceIdInfo& sourceIdInfo, TBuffer& data) { 
-    NKikimrPQ::TMessageGroupInfo proto; 
-    sourceIdInfo.Serialize(proto); 
- 
-    const TString serialized = proto.SerializeAsString(); 
-    data.Assign(serialized.c_str(), serialized.size()); 
-} 
- 
-TKeyPrefix::EMark TSourceIdWriter::FormatToMark(ESourceIdFormat format) { 
-    switch (format) { 
-    case ESourceIdFormat::Raw: 
-        return TKeyPrefix::MarkSourceId; 
-    case ESourceIdFormat::Proto: 
-        return TKeyPrefix::MarkProtoSourceId; 
-    } 
-} 
- 
-void TSourceIdWriter::FillRequest(TEvKeyValue::TEvRequest* request, ui32 partition) { 
-    TKeyPrefix key(TKeyPrefix::TypeInfo, partition, FormatToMark(Format)); 
-    TBuffer data; 
- 
-    for (const auto& [sourceId, sourceIdInfo] : Registrations) { 
-        FillKeyAndData(Format, sourceId, sourceIdInfo, key, data); 
-        FillWrite(key, data, *request->Record.AddCmdWrite()); 
+
+    return ds;
+}
+
+/// TSourceIdWriter
+TSourceIdWriter::TSourceIdWriter(ESourceIdFormat format)
+    : Format(format)
+{
+}
+
+void TSourceIdWriter::DeregisterSourceId(const TString& sourceId) {
+    Deregistrations.insert(sourceId);
+}
+
+void TSourceIdWriter::Clear() {
+    Registrations.clear();
+    Deregistrations.clear();
+}
+
+void TSourceIdWriter::FillKeyAndData(ESourceIdFormat format, const TString& sourceId, const TSourceIdInfo& sourceIdInfo, TKeyPrefix& key, TBuffer& data) {
+    key.Resize(TKeyPrefix::MarkedSize());
+    key.Append(sourceId.c_str(), sourceId.size());
+
+    switch (format) {
+    case ESourceIdFormat::Raw:
+        return FillRawData(sourceIdInfo, data);
+    case ESourceIdFormat::Proto:
+        return FillProtoData(sourceIdInfo, data);
+    }
+}
+
+void TSourceIdWriter::FillRawData(const TSourceIdInfo& sourceIdInfo, TBuffer& data) {
+    sourceIdInfo.Serialize(data);
+}
+
+void TSourceIdWriter::FillProtoData(const TSourceIdInfo& sourceIdInfo, TBuffer& data) {
+    NKikimrPQ::TMessageGroupInfo proto;
+    sourceIdInfo.Serialize(proto);
+
+    const TString serialized = proto.SerializeAsString();
+    data.Assign(serialized.c_str(), serialized.size());
+}
+
+TKeyPrefix::EMark TSourceIdWriter::FormatToMark(ESourceIdFormat format) {
+    switch (format) {
+    case ESourceIdFormat::Raw:
+        return TKeyPrefix::MarkSourceId;
+    case ESourceIdFormat::Proto:
+        return TKeyPrefix::MarkProtoSourceId;
+    }
+}
+
+void TSourceIdWriter::FillRequest(TEvKeyValue::TEvRequest* request, ui32 partition) {
+    TKeyPrefix key(TKeyPrefix::TypeInfo, partition, FormatToMark(Format));
+    TBuffer data;
+
+    for (const auto& [sourceId, sourceIdInfo] : Registrations) {
+        FillKeyAndData(Format, sourceId, sourceIdInfo, key, data);
+        FillWrite(key, data, *request->Record.AddCmdWrite());
+    }
+
+    for (const auto& sourceId : Deregistrations) {
+        FillDelete(partition, sourceId, *request->Record.AddCmdDeleteRange());
     }
- 
-    for (const auto& sourceId : Deregistrations) { 
-        FillDelete(partition, sourceId, *request->Record.AddCmdDeleteRange()); 
-    } 
-} 
+}
 
 } // NPQ
 } // NKikimr
diff --git a/ydb/core/persqueue/sourceid.h b/ydb/core/persqueue/sourceid.h
index 7c48ae4547..62b9c2834e 100644
--- a/ydb/core/persqueue/sourceid.h
+++ b/ydb/core/persqueue/sourceid.h
@@ -1,130 +1,130 @@
 #pragma once
- 
+
 #include <ydb/core/keyvalue/keyvalue_events.h>
 #include <ydb/core/persqueue/key.h>
 #include <ydb/core/persqueue/ownerinfo.h>
 #include <ydb/core/persqueue/partition_key_range/partition_key_range.h>
 #include <ydb/core/protos/pqconfig.pb.h>
- 
+
 #include <util/generic/set.h>
 
 namespace NKikimr {
 namespace NPQ {
 
-enum class ESourceIdFormat: ui8 { 
-    Raw = 0, 
-    Proto = 1, 
-}; 
- 
-struct TSourceIdInfo { 
-    enum class EState { 
-        Unknown, 
-        Registered, 
-        PendingRegistration, 
-    }; 
- 
-    ui64 SeqNo = 0; 
-    ui64 Offset = 0; 
-    TInstant WriteTimestamp; 
-    TInstant CreateTimestamp; 
-    bool Explicit = false; 
-    TMaybe<TPartitionKeyRange> KeyRange; 
-    EState State = EState::Registered; 
- 
-    TSourceIdInfo() = default; 
-    TSourceIdInfo(ui64 seqNo, ui64 offset, TInstant createTs); 
-    TSourceIdInfo(ui64 seqNo, ui64 offset, TInstant createTs, TMaybe<TPartitionKeyRange>&& keyRange, bool isInSplit = false); 
- 
-    TSourceIdInfo Updated(ui64 seqNo, ui64 offset, TInstant writeTs) const; 
- 
-    static EState ConvertState(NKikimrPQ::TMessageGroupInfo::EState value); 
-    static NKikimrPQ::TMessageGroupInfo::EState ConvertState(EState value); 
- 
-    // Raw format 
-    static TSourceIdInfo Parse(const TString& data, TInstant now); 
-    void Serialize(TBuffer& data) const; 
- 
-    // Proto format 
-    static TSourceIdInfo Parse(const NKikimrPQ::TMessageGroupInfo& proto); 
-    void Serialize(NKikimrPQ::TMessageGroupInfo& proto) const; 
-
-    bool operator==(const TSourceIdInfo& rhs) const; 
-    void Out(IOutputStream& out) const; 
-
-    bool IsExpired(TDuration ttl, TInstant now) const; 
-
-}; // TSourceIdInfo 
-
-using TSourceIdMap = THashMap<TString, TSourceIdInfo>; 
-
-class TSourceIdStorage { 
-public: 
-    const TSourceIdMap& GetInMemorySourceIds() const { 
-        return InMemorySourceIds; 
-    } 
-
-    template <typename... Args> 
-    void RegisterSourceId(const TString& sourceId, Args&&... args) { 
-        RegisterSourceIdInfo(sourceId, TSourceIdInfo(std::forward<Args>(args)...), false); 
-    } 
-
-    void DeregisterSourceId(const TString& sourceId); 
- 
-    void LoadSourceIdInfo(const TString& key, const TString& data, TInstant now); 
-    bool DropOldSourceIds(TEvKeyValue::TEvRequest* request, TInstant now, ui64 startOffset, ui32 partition, const NKikimrPQ::TPartitionConfig& config); 
-
-    void RegisterSourceIdOwner(const TString& sourceId, const TStringBuf& ownerCookie); 
-    void MarkOwnersForDeletedSourceId(THashMap<TString, TOwnerInfo>& owners); 
-
-    TInstant MinAvailableTimestamp(TInstant now) const; 
-
-private: 
-    void LoadRawSourceIdInfo(const TString& key, const TString& data, TInstant now); 
-    void LoadProtoSourceIdInfo(const TString& key, const TString& data); 
-    void RegisterSourceIdInfo(const TString& sourceId, TSourceIdInfo&& sourceIdInfo, bool load); 
- 
-private: 
-    TSourceIdMap InMemorySourceIds; 
-    THashMap<TString, TString> SourceIdOwners; 
-    TVector<TString> OwnersToDrop; 
-    TSet<std::pair<ui64, TString>> SourceIdsByOffset; 
-
-}; // TSourceIdStorage 
- 
-class TSourceIdWriter { 
-public: 
-    explicit TSourceIdWriter(ESourceIdFormat format); 
-
-    const TSourceIdMap& GetSourceIdsToWrite() const { 
-        return Registrations; 
-    } 
-
-    template <typename... Args> 
-    void RegisterSourceId(const TString& sourceId, Args&&... args) { 
-        Registrations[sourceId] = TSourceIdInfo(std::forward<Args>(args)...); 
-    } 
-
-    void DeregisterSourceId(const TString& sourceId); 
-    void Clear(); 
-
-    void FillRequest(TEvKeyValue::TEvRequest* request, ui32 partition); 
-    static void FillKeyAndData(ESourceIdFormat format, const TString& sourceId, const TSourceIdInfo& sourceIdInfo, TKeyPrefix& key, TBuffer& data); 
-
-private: 
-    static void FillRawData(const TSourceIdInfo& sourceIdInfo, TBuffer& data); 
-    static void FillProtoData(const TSourceIdInfo& sourceIdInfo, TBuffer& data); 
-    static TKeyPrefix::EMark FormatToMark(ESourceIdFormat format); 
- 
-private: 
-    const ESourceIdFormat Format; 
-    TSourceIdMap Registrations; 
-    THashSet<TString> Deregistrations; 
-
-}; // TSourceIdWriter 
- 
+enum class ESourceIdFormat: ui8 {
+    Raw = 0,
+    Proto = 1,
+};
+
+struct TSourceIdInfo {
+    enum class EState {
+        Unknown,
+        Registered,
+        PendingRegistration,
+    };
+
+    ui64 SeqNo = 0;
+    ui64 Offset = 0;
+    TInstant WriteTimestamp;
+    TInstant CreateTimestamp;
+    bool Explicit = false;
+    TMaybe<TPartitionKeyRange> KeyRange;
+    EState State = EState::Registered;
+
+    TSourceIdInfo() = default;
+    TSourceIdInfo(ui64 seqNo, ui64 offset, TInstant createTs);
+    TSourceIdInfo(ui64 seqNo, ui64 offset, TInstant createTs, TMaybe<TPartitionKeyRange>&& keyRange, bool isInSplit = false);
+
+    TSourceIdInfo Updated(ui64 seqNo, ui64 offset, TInstant writeTs) const;
+
+    static EState ConvertState(NKikimrPQ::TMessageGroupInfo::EState value);
+    static NKikimrPQ::TMessageGroupInfo::EState ConvertState(EState value);
+
+    // Raw format
+    static TSourceIdInfo Parse(const TString& data, TInstant now);
+    void Serialize(TBuffer& data) const;
+
+    // Proto format
+    static TSourceIdInfo Parse(const NKikimrPQ::TMessageGroupInfo& proto);
+    void Serialize(NKikimrPQ::TMessageGroupInfo& proto) const;
+
+    bool operator==(const TSourceIdInfo& rhs) const;
+    void Out(IOutputStream& out) const;
+
+    bool IsExpired(TDuration ttl, TInstant now) const;
+
+}; // TSourceIdInfo
+
+using TSourceIdMap = THashMap<TString, TSourceIdInfo>;
+
+class TSourceIdStorage {
+public:
+    const TSourceIdMap& GetInMemorySourceIds() const {
+        return InMemorySourceIds;
+    }
+
+    template <typename... Args>
+    void RegisterSourceId(const TString& sourceId, Args&&... args) {
+        RegisterSourceIdInfo(sourceId, TSourceIdInfo(std::forward<Args>(args)...), false);
+    }
+
+    void DeregisterSourceId(const TString& sourceId);
+
+    void LoadSourceIdInfo(const TString& key, const TString& data, TInstant now);
+    bool DropOldSourceIds(TEvKeyValue::TEvRequest* request, TInstant now, ui64 startOffset, ui32 partition, const NKikimrPQ::TPartitionConfig& config);
+
+    void RegisterSourceIdOwner(const TString& sourceId, const TStringBuf& ownerCookie);
+    void MarkOwnersForDeletedSourceId(THashMap<TString, TOwnerInfo>& owners);
+
+    TInstant MinAvailableTimestamp(TInstant now) const;
+
+private:
+    void LoadRawSourceIdInfo(const TString& key, const TString& data, TInstant now);
+    void LoadProtoSourceIdInfo(const TString& key, const TString& data);
+    void RegisterSourceIdInfo(const TString& sourceId, TSourceIdInfo&& sourceIdInfo, bool load);
+
+private:
+    TSourceIdMap InMemorySourceIds;
+    THashMap<TString, TString> SourceIdOwners;
+    TVector<TString> OwnersToDrop;
+    TSet<std::pair<ui64, TString>> SourceIdsByOffset;
+
+}; // TSourceIdStorage
+
+class TSourceIdWriter {
+public:
+    explicit TSourceIdWriter(ESourceIdFormat format);
+
+    const TSourceIdMap& GetSourceIdsToWrite() const {
+        return Registrations;
+    }
+
+    template <typename... Args>
+    void RegisterSourceId(const TString& sourceId, Args&&... args) {
+        Registrations[sourceId] = TSourceIdInfo(std::forward<Args>(args)...);
+    }
+
+    void DeregisterSourceId(const TString& sourceId);
+    void Clear();
+
+    void FillRequest(TEvKeyValue::TEvRequest* request, ui32 partition);
+    static void FillKeyAndData(ESourceIdFormat format, const TString& sourceId, const TSourceIdInfo& sourceIdInfo, TKeyPrefix& key, TBuffer& data);
+
+private:
+    static void FillRawData(const TSourceIdInfo& sourceIdInfo, TBuffer& data);
+    static void FillProtoData(const TSourceIdInfo& sourceIdInfo, TBuffer& data);
+    static TKeyPrefix::EMark FormatToMark(ESourceIdFormat format);
+
+private:
+    const ESourceIdFormat Format;
+    TSourceIdMap Registrations;
+    THashSet<TString> Deregistrations;
+
+}; // TSourceIdWriter
+
 } // NPQ
 } // NKikimr
- 
-Y_DECLARE_OUT_SPEC(inline, NKikimr::NPQ::TSourceIdInfo, out, value) { 
-    return value.Out(out); 
-} 
+
+Y_DECLARE_OUT_SPEC(inline, NKikimr::NPQ::TSourceIdInfo, out, value) {
+    return value.Out(out);
+}
diff --git a/ydb/core/persqueue/sourceid_ut.cpp b/ydb/core/persqueue/sourceid_ut.cpp
index 0764128345..46e03b2d3f 100644
--- a/ydb/core/persqueue/sourceid_ut.cpp
+++ b/ydb/core/persqueue/sourceid_ut.cpp
@@ -1,330 +1,330 @@
 #include "sourceid.h"
- 
+
 #include <ydb/core/keyvalue/keyvalue_events.h>
 #include <ydb/core/persqueue/key.h>
- 
+
 #include <library/cpp/testing/unittest/registar.h>
 
-namespace NKikimr { 
-namespace NPQ { 
+namespace NKikimr {
+namespace NPQ {
+
+Y_UNIT_TEST_SUITE(TSourceIdTests) {
+    inline static TString TestSourceId(ui64 idx = 0) {
+        return TStringBuilder() << "testSourceId" << idx;
+    }
 
-Y_UNIT_TEST_SUITE(TSourceIdTests) { 
-    inline static TString TestSourceId(ui64 idx = 0) { 
-        return TStringBuilder() << "testSourceId" << idx; 
-    } 
+    inline static TStringBuf TestOwner(TStringBuf sourceId) {
+        UNIT_ASSERT(sourceId.SkipPrefix("test"));
+        return sourceId;
+    }
 
-    inline static TStringBuf TestOwner(TStringBuf sourceId) { 
-        UNIT_ASSERT(sourceId.SkipPrefix("test")); 
-        return sourceId; 
-    } 
+    static constexpr ui32 TestPartition = 1;
 
-    static constexpr ui32 TestPartition = 1; 
- 
     Y_UNIT_TEST(SourceIdWriterAddMessage) {
-        TSourceIdWriter writer(ESourceIdFormat::Raw); 
- 
-        const auto sourceId = TestSourceId(1); 
-        const auto sourceIdInfo = TSourceIdInfo(1, 10, TInstant::Seconds(100)); 
- 
-        writer.RegisterSourceId(sourceId, sourceIdInfo); 
-        UNIT_ASSERT_VALUES_EQUAL(writer.GetSourceIdsToWrite().size(), 1); 
- 
-        { 
-            auto it = writer.GetSourceIdsToWrite().find(sourceId); 
-            UNIT_ASSERT_UNEQUAL(it, writer.GetSourceIdsToWrite().end()); 
-            UNIT_ASSERT_VALUES_EQUAL(it->second, sourceIdInfo); 
-        } 
- 
-        const auto anotherSourceId = TestSourceId(2); 
-        const auto anotherSourceIdInfo = TSourceIdInfo(2, 20, TInstant::Seconds(200)); 
-        UNIT_ASSERT_VALUES_UNEQUAL(sourceIdInfo, anotherSourceIdInfo); 
- 
-        { 
-            auto it = writer.GetSourceIdsToWrite().find(anotherSourceId); 
-            UNIT_ASSERT_EQUAL(it, writer.GetSourceIdsToWrite().end()); 
-        } 
+        TSourceIdWriter writer(ESourceIdFormat::Raw);
+
+        const auto sourceId = TestSourceId(1);
+        const auto sourceIdInfo = TSourceIdInfo(1, 10, TInstant::Seconds(100));
+
+        writer.RegisterSourceId(sourceId, sourceIdInfo);
+        UNIT_ASSERT_VALUES_EQUAL(writer.GetSourceIdsToWrite().size(), 1);
+
+        {
+            auto it = writer.GetSourceIdsToWrite().find(sourceId);
+            UNIT_ASSERT_UNEQUAL(it, writer.GetSourceIdsToWrite().end());
+            UNIT_ASSERT_VALUES_EQUAL(it->second, sourceIdInfo);
+        }
+
+        const auto anotherSourceId = TestSourceId(2);
+        const auto anotherSourceIdInfo = TSourceIdInfo(2, 20, TInstant::Seconds(200));
+        UNIT_ASSERT_VALUES_UNEQUAL(sourceIdInfo, anotherSourceIdInfo);
+
+        {
+            auto it = writer.GetSourceIdsToWrite().find(anotherSourceId);
+            UNIT_ASSERT_EQUAL(it, writer.GetSourceIdsToWrite().end());
+        }
     }
 
     Y_UNIT_TEST(SourceIdWriterClean) {
-        TSourceIdWriter writer(ESourceIdFormat::Raw); 
- 
-        writer.RegisterSourceId(TestSourceId(), 1, 10, TInstant::Seconds(100)); 
-        UNIT_ASSERT_VALUES_EQUAL(writer.GetSourceIdsToWrite().size(), 1); 
- 
-        writer.Clear(); 
-        UNIT_ASSERT_VALUES_EQUAL(writer.GetSourceIdsToWrite().size(), 0); 
+        TSourceIdWriter writer(ESourceIdFormat::Raw);
+
+        writer.RegisterSourceId(TestSourceId(), 1, 10, TInstant::Seconds(100));
+        UNIT_ASSERT_VALUES_EQUAL(writer.GetSourceIdsToWrite().size(), 1);
+
+        writer.Clear();
+        UNIT_ASSERT_VALUES_EQUAL(writer.GetSourceIdsToWrite().size(), 0);
     }
 
     Y_UNIT_TEST(SourceIdWriterFormCommand) {
-        TSourceIdWriter writer(ESourceIdFormat::Raw); 
-        auto actualRequest = MakeHolder<TEvKeyValue::TEvRequest>(); 
-        auto expectedRequest = MakeHolder<TEvKeyValue::TEvRequest>(); 
-
-        const auto sourceId = TestSourceId(1); 
-        const auto sourceIdInfo = TSourceIdInfo(1, 10, TInstant::Seconds(100)); 
-        writer.RegisterSourceId(sourceId, sourceIdInfo); 
-        UNIT_ASSERT_VALUES_EQUAL(writer.GetSourceIdsToWrite().size(), 1); 
-        { 
-            TKeyPrefix key(TKeyPrefix::TypeInfo, TestPartition, TKeyPrefix::MarkSourceId); 
-            TBuffer data; 
-
-            TSourceIdWriter::FillKeyAndData(ESourceIdFormat::Raw, sourceId, sourceIdInfo, key, data); 
-            auto write = expectedRequest.Get()->Record.AddCmdWrite(); 
-            write->SetKey(key.Data(), key.Size()); 
-            write->SetValue(data.Data(), data.Size()); 
-            write->SetStorageChannel(NKikimrClient::TKeyValueRequest::INLINE); 
- 
-            writer.FillRequest(actualRequest.Get(), TestPartition); 
-            UNIT_ASSERT_VALUES_EQUAL(actualRequest.Get()->ToString(), expectedRequest.Get()->ToString()); 
-        } 
- 
-        const auto anotherSourceId = TestSourceId(2); 
-        const auto anotherSourceIdInfo = TSourceIdInfo(2, 20, TInstant::Seconds(200)); 
-        writer.RegisterSourceId(anotherSourceId, anotherSourceIdInfo); 
-        UNIT_ASSERT_VALUES_EQUAL(writer.GetSourceIdsToWrite().size(), 2); 
-        { 
-            TKeyPrefix key(TKeyPrefix::TypeInfo, TestPartition + 1, TKeyPrefix::MarkSourceId); 
-            TBuffer data; 
- 
-            for (const auto& [sourceId, sourceIdInfo] : writer.GetSourceIdsToWrite()) { 
-                TSourceIdWriter::FillKeyAndData(ESourceIdFormat::Raw, sourceId, sourceIdInfo, key, data); 
-                auto write = expectedRequest.Get()->Record.AddCmdWrite(); 
-                write->SetKey(key.Data(), key.Size()); 
-                write->SetValue(data.Data(), data.Size()); 
-                write->SetStorageChannel(NKikimrClient::TKeyValueRequest::INLINE); 
-            } 
- 
-            writer.FillRequest(actualRequest.Get(), TestPartition + 1); 
-            UNIT_ASSERT_VALUES_EQUAL(actualRequest.Get()->ToString(), expectedRequest.Get()->ToString()); 
-        } 
+        TSourceIdWriter writer(ESourceIdFormat::Raw);
+        auto actualRequest = MakeHolder<TEvKeyValue::TEvRequest>();
+        auto expectedRequest = MakeHolder<TEvKeyValue::TEvRequest>();
+
+        const auto sourceId = TestSourceId(1);
+        const auto sourceIdInfo = TSourceIdInfo(1, 10, TInstant::Seconds(100));
+        writer.RegisterSourceId(sourceId, sourceIdInfo);
+        UNIT_ASSERT_VALUES_EQUAL(writer.GetSourceIdsToWrite().size(), 1);
+        {
+            TKeyPrefix key(TKeyPrefix::TypeInfo, TestPartition, TKeyPrefix::MarkSourceId);
+            TBuffer data;
+
+            TSourceIdWriter::FillKeyAndData(ESourceIdFormat::Raw, sourceId, sourceIdInfo, key, data);
+            auto write = expectedRequest.Get()->Record.AddCmdWrite();
+            write->SetKey(key.Data(), key.Size());
+            write->SetValue(data.Data(), data.Size());
+            write->SetStorageChannel(NKikimrClient::TKeyValueRequest::INLINE);
+
+            writer.FillRequest(actualRequest.Get(), TestPartition);
+            UNIT_ASSERT_VALUES_EQUAL(actualRequest.Get()->ToString(), expectedRequest.Get()->ToString());
+        }
+
+        const auto anotherSourceId = TestSourceId(2);
+        const auto anotherSourceIdInfo = TSourceIdInfo(2, 20, TInstant::Seconds(200));
+        writer.RegisterSourceId(anotherSourceId, anotherSourceIdInfo);
+        UNIT_ASSERT_VALUES_EQUAL(writer.GetSourceIdsToWrite().size(), 2);
+        {
+            TKeyPrefix key(TKeyPrefix::TypeInfo, TestPartition + 1, TKeyPrefix::MarkSourceId);
+            TBuffer data;
+
+            for (const auto& [sourceId, sourceIdInfo] : writer.GetSourceIdsToWrite()) {
+                TSourceIdWriter::FillKeyAndData(ESourceIdFormat::Raw, sourceId, sourceIdInfo, key, data);
+                auto write = expectedRequest.Get()->Record.AddCmdWrite();
+                write->SetKey(key.Data(), key.Size());
+                write->SetValue(data.Data(), data.Size());
+                write->SetStorageChannel(NKikimrClient::TKeyValueRequest::INLINE);
+            }
+
+            writer.FillRequest(actualRequest.Get(), TestPartition + 1);
+            UNIT_ASSERT_VALUES_EQUAL(actualRequest.Get()->ToString(), expectedRequest.Get()->ToString());
+        }
     }
 
     Y_UNIT_TEST(SourceIdStorageAdd) {
-        TSourceIdStorage storage; 
- 
-        const auto sourceId = TestSourceId(1); 
-        const auto sourceIdInfo = TSourceIdInfo(1, 10, TInstant::Seconds(100)); 
-        const auto anotherSourceId = TestSourceId(2); 
-        const auto anotherSourceIdInfo = TSourceIdInfo(2, 20, TInstant::Seconds(200)); 
- 
-        storage.RegisterSourceId(sourceId, sourceIdInfo); 
-        UNIT_ASSERT_VALUES_EQUAL(storage.GetInMemorySourceIds().size(), 1); 
-        { 
-            auto it = storage.GetInMemorySourceIds().find(sourceId); 
-            UNIT_ASSERT_UNEQUAL(it, storage.GetInMemorySourceIds().end()); 
-            UNIT_ASSERT_VALUES_EQUAL(it->second, sourceIdInfo); 
-        } 
-        { 
-            auto it = storage.GetInMemorySourceIds().find(anotherSourceId); 
-            UNIT_ASSERT_EQUAL(it, storage.GetInMemorySourceIds().end()); 
-        } 
- 
-        storage.RegisterSourceId(anotherSourceId, anotherSourceIdInfo); 
-        storage.RegisterSourceId(sourceId, anotherSourceIdInfo); 
-        UNIT_ASSERT_VALUES_EQUAL(storage.GetInMemorySourceIds().size(), 2); 
-        { 
-            auto it = storage.GetInMemorySourceIds().find(sourceId); 
-            UNIT_ASSERT_UNEQUAL(it, storage.GetInMemorySourceIds().end()); 
-            UNIT_ASSERT_VALUES_EQUAL(it->second, anotherSourceIdInfo); 
-        } 
+        TSourceIdStorage storage;
+
+        const auto sourceId = TestSourceId(1);
+        const auto sourceIdInfo = TSourceIdInfo(1, 10, TInstant::Seconds(100));
+        const auto anotherSourceId = TestSourceId(2);
+        const auto anotherSourceIdInfo = TSourceIdInfo(2, 20, TInstant::Seconds(200));
+
+        storage.RegisterSourceId(sourceId, sourceIdInfo);
+        UNIT_ASSERT_VALUES_EQUAL(storage.GetInMemorySourceIds().size(), 1);
+        {
+            auto it = storage.GetInMemorySourceIds().find(sourceId);
+            UNIT_ASSERT_UNEQUAL(it, storage.GetInMemorySourceIds().end());
+            UNIT_ASSERT_VALUES_EQUAL(it->second, sourceIdInfo);
+        }
+        {
+            auto it = storage.GetInMemorySourceIds().find(anotherSourceId);
+            UNIT_ASSERT_EQUAL(it, storage.GetInMemorySourceIds().end());
+        }
+
+        storage.RegisterSourceId(anotherSourceId, anotherSourceIdInfo);
+        storage.RegisterSourceId(sourceId, anotherSourceIdInfo);
+        UNIT_ASSERT_VALUES_EQUAL(storage.GetInMemorySourceIds().size(), 2);
+        {
+            auto it = storage.GetInMemorySourceIds().find(sourceId);
+            UNIT_ASSERT_UNEQUAL(it, storage.GetInMemorySourceIds().end());
+            UNIT_ASSERT_VALUES_EQUAL(it->second, anotherSourceIdInfo);
+        }
+    }
+
+    void SourceIdStorageParseAndAdd(TKeyPrefix::EMark mark, ESourceIdFormat format) {
+        const auto sourceId = TestSourceId();
+        const auto sourceIdInfo = TSourceIdInfo(1, 10, TInstant::Seconds(100));
+
+        TKeyPrefix ikey(TKeyPrefix::TypeInfo, TestPartition, mark);
+        TBuffer idata;
+        TSourceIdWriter::FillKeyAndData(format, sourceId, sourceIdInfo, ikey, idata);
+
+        TString key;
+        ikey.AsString(key);
+        TString data;
+        idata.AsString(data);
+
+        TSourceIdStorage storage;
+        storage.LoadSourceIdInfo(key, data, TInstant());
+
+        auto it = storage.GetInMemorySourceIds().find(sourceId);
+        UNIT_ASSERT_UNEQUAL(it, storage.GetInMemorySourceIds().end());
+        UNIT_ASSERT_VALUES_EQUAL(it->second, sourceIdInfo);
     }
 
-    void SourceIdStorageParseAndAdd(TKeyPrefix::EMark mark, ESourceIdFormat format) { 
-        const auto sourceId = TestSourceId(); 
-        const auto sourceIdInfo = TSourceIdInfo(1, 10, TInstant::Seconds(100)); 
- 
-        TKeyPrefix ikey(TKeyPrefix::TypeInfo, TestPartition, mark); 
-        TBuffer idata; 
-        TSourceIdWriter::FillKeyAndData(format, sourceId, sourceIdInfo, ikey, idata); 
- 
-        TString key; 
-        ikey.AsString(key); 
-        TString data; 
-        idata.AsString(data); 
- 
-        TSourceIdStorage storage; 
-        storage.LoadSourceIdInfo(key, data, TInstant()); 
- 
-        auto it = storage.GetInMemorySourceIds().find(sourceId); 
-        UNIT_ASSERT_UNEQUAL(it, storage.GetInMemorySourceIds().end()); 
-        UNIT_ASSERT_VALUES_EQUAL(it->second, sourceIdInfo); 
+    Y_UNIT_TEST(SourceIdStorageParseAndAdd) {
+        SourceIdStorageParseAndAdd(TKeyPrefix::MarkSourceId, ESourceIdFormat::Raw);
+    }
+
+    Y_UNIT_TEST(ProtoSourceIdStorageParseAndAdd) {
+        SourceIdStorageParseAndAdd(TKeyPrefix::MarkProtoSourceId, ESourceIdFormat::Proto);
     }
 
-    Y_UNIT_TEST(SourceIdStorageParseAndAdd) { 
-        SourceIdStorageParseAndAdd(TKeyPrefix::MarkSourceId, ESourceIdFormat::Raw); 
-    } 
- 
-    Y_UNIT_TEST(ProtoSourceIdStorageParseAndAdd) { 
-        SourceIdStorageParseAndAdd(TKeyPrefix::MarkProtoSourceId, ESourceIdFormat::Proto); 
-    } 
- 
     Y_UNIT_TEST(SourceIdStorageMinDS) {
-        const auto now = TInstant::Now(); 
-        TSourceIdStorage storage; 
- 
-        const auto sourceId = TestSourceId(1); 
-        storage.RegisterSourceId(sourceId, 1, 10, TInstant::Seconds(100)); 
-        { 
-            auto ds = storage.MinAvailableTimestamp(now); 
-            UNIT_ASSERT_VALUES_EQUAL(ds, TInstant::Seconds(100)); 
-        } 
- 
-        const auto anotherSourceId = TestSourceId(2); 
-        storage.RegisterSourceId(anotherSourceId, 2, 20, TInstant::Seconds(200)); 
-        { 
-            auto ds = storage.MinAvailableTimestamp(now); 
-            UNIT_ASSERT_VALUES_EQUAL(ds, TInstant::Seconds(100)); 
-        } 
- 
-        storage.RegisterSourceId(sourceId, 3, 30, TInstant::Seconds(300)); 
-        { 
-            auto ds = storage.MinAvailableTimestamp(now); 
-            UNIT_ASSERT_VALUES_EQUAL(ds, TInstant::Seconds(200)); 
-        } 
+        const auto now = TInstant::Now();
+        TSourceIdStorage storage;
+
+        const auto sourceId = TestSourceId(1);
+        storage.RegisterSourceId(sourceId, 1, 10, TInstant::Seconds(100));
+        {
+            auto ds = storage.MinAvailableTimestamp(now);
+            UNIT_ASSERT_VALUES_EQUAL(ds, TInstant::Seconds(100));
+        }
+
+        const auto anotherSourceId = TestSourceId(2);
+        storage.RegisterSourceId(anotherSourceId, 2, 20, TInstant::Seconds(200));
+        {
+            auto ds = storage.MinAvailableTimestamp(now);
+            UNIT_ASSERT_VALUES_EQUAL(ds, TInstant::Seconds(100));
+        }
+
+        storage.RegisterSourceId(sourceId, 3, 30, TInstant::Seconds(300));
+        {
+            auto ds = storage.MinAvailableTimestamp(now);
+            UNIT_ASSERT_VALUES_EQUAL(ds, TInstant::Seconds(200));
+        }
     }
 
     Y_UNIT_TEST(SourceIdStorageTestClean) {
-        TSourceIdStorage storage; 
-        for (ui64 i = 1; i <= 10000; ++i) { 
-            storage.RegisterSourceId(TestSourceId(i), i, i, TInstant::Seconds(10 * i)); 
-        } 
- 
-        NKikimrPQ::TPartitionConfig config; 
-        config.SetSourceIdLifetimeSeconds(TDuration::Hours(1).Seconds()); 
- 
-        // sources are dropped before startOffset = 20 
-        { 
-            auto request = MakeHolder<TEvKeyValue::TEvRequest>(); 
-            const auto dropped = storage.DropOldSourceIds(request.Get(), TInstant::Hours(2), 20, TestPartition, config); 
-            UNIT_ASSERT_EQUAL(dropped, true); 
-            UNIT_ASSERT_VALUES_EQUAL(request.Get()->Record.CmdDeleteRangeSize(), 2 * 19); // first 19 sources are dropped 
-        } 
- 
-        // expired sources are dropped 
-        { 
-            auto request = MakeHolder<TEvKeyValue::TEvRequest>(); 
-            const auto dropped = storage.DropOldSourceIds(request.Get(), TInstant::Hours(2), 10000, TestPartition, config); 
-            UNIT_ASSERT_EQUAL(dropped, true); 
-            UNIT_ASSERT_VALUES_EQUAL(request.Get()->Record.CmdDeleteRangeSize(), 2 * 341); // another 341 (360 - 19) sources are dropped 
-        } 
- 
-        // move to the past 
-        { 
-            auto request = MakeHolder<TEvKeyValue::TEvRequest>(); 
-            const auto dropped = storage.DropOldSourceIds(request.Get(), TInstant::Hours(1), 10000, TestPartition, config); 
-            UNIT_ASSERT_EQUAL(dropped, false); // nothing to drop (everything is dropped) 
-        } 
- 
-        // move to the future 
-        { 
-            auto request = MakeHolder<TEvKeyValue::TEvRequest>(); 
-            const auto dropped = storage.DropOldSourceIds(request.Get(), TInstant::Hours(3), 10000, TestPartition, config); 
-            UNIT_ASSERT_EQUAL(dropped, true); 
-            UNIT_ASSERT_VALUES_EQUAL(request.Get()->Record.CmdDeleteRangeSize(), 2 * 360); // more 360 sources are dropped 
-        } 
+        TSourceIdStorage storage;
+        for (ui64 i = 1; i <= 10000; ++i) {
+            storage.RegisterSourceId(TestSourceId(i), i, i, TInstant::Seconds(10 * i));
+        }
+
+        NKikimrPQ::TPartitionConfig config;
+        config.SetSourceIdLifetimeSeconds(TDuration::Hours(1).Seconds());
+
+        // sources are dropped before startOffset = 20
+        {
+            auto request = MakeHolder<TEvKeyValue::TEvRequest>();
+            const auto dropped = storage.DropOldSourceIds(request.Get(), TInstant::Hours(2), 20, TestPartition, config);
+            UNIT_ASSERT_EQUAL(dropped, true);
+            UNIT_ASSERT_VALUES_EQUAL(request.Get()->Record.CmdDeleteRangeSize(), 2 * 19); // first 19 sources are dropped
+        }
+
+        // expired sources are dropped
+        {
+            auto request = MakeHolder<TEvKeyValue::TEvRequest>();
+            const auto dropped = storage.DropOldSourceIds(request.Get(), TInstant::Hours(2), 10000, TestPartition, config);
+            UNIT_ASSERT_EQUAL(dropped, true);
+            UNIT_ASSERT_VALUES_EQUAL(request.Get()->Record.CmdDeleteRangeSize(), 2 * 341); // another 341 (360 - 19) sources are dropped
+        }
+
+        // move to the past
+        {
+            auto request = MakeHolder<TEvKeyValue::TEvRequest>();
+            const auto dropped = storage.DropOldSourceIds(request.Get(), TInstant::Hours(1), 10000, TestPartition, config);
+            UNIT_ASSERT_EQUAL(dropped, false); // nothing to drop (everything is dropped)
+        }
+
+        // move to the future
+        {
+            auto request = MakeHolder<TEvKeyValue::TEvRequest>();
+            const auto dropped = storage.DropOldSourceIds(request.Get(), TInstant::Hours(3), 10000, TestPartition, config);
+            UNIT_ASSERT_EQUAL(dropped, true);
+            UNIT_ASSERT_VALUES_EQUAL(request.Get()->Record.CmdDeleteRangeSize(), 2 * 360); // more 360 sources are dropped
+        }
     }
 
     Y_UNIT_TEST(SourceIdStorageDeleteByMaxCount) {
-        TSourceIdStorage storage; 
-        for (ui64 i = 1; i <= 10000; ++i) { 
-            storage.RegisterSourceId(TestSourceId(i), i, i, TInstant::Seconds(10 * i)); 
-        } 
- 
-        NKikimrPQ::TPartitionConfig config; 
- 
-        config.SetSourceIdMaxCounts(10000); 
-        { 
-            auto request = MakeHolder<TEvKeyValue::TEvRequest>(); 
-            const auto dropped = storage.DropOldSourceIds(request.Get(), TInstant::Hours(1), 10000, TestPartition, config); 
-            UNIT_ASSERT_EQUAL(dropped, false); 
-        } 
- 
-        config.SetSourceIdMaxCounts(9900); // decrease by 100 
-        { 
-            auto request = MakeHolder<TEvKeyValue::TEvRequest>(); 
-            const auto dropped = storage.DropOldSourceIds(request.Get(), TInstant::Hours(1), 10000, TestPartition, config); 
-            UNIT_ASSERT_EQUAL(dropped, true); 
-            UNIT_ASSERT_VALUES_EQUAL(request.Get()->Record.CmdDeleteRangeSize(), 2 * 100); // 100 sources are dropped 
-        } 
-        { 
-            auto it = storage.GetInMemorySourceIds().find(TestSourceId(100)); // 100th source is dropped 
-            UNIT_ASSERT_EQUAL(it, storage.GetInMemorySourceIds().end()); 
-        } 
-        { 
-            auto it = storage.GetInMemorySourceIds().find(TestSourceId(101)); // 101th source is alive 
-            UNIT_ASSERT_UNEQUAL(it, storage.GetInMemorySourceIds().end()); 
-        } 
+        TSourceIdStorage storage;
+        for (ui64 i = 1; i <= 10000; ++i) {
+            storage.RegisterSourceId(TestSourceId(i), i, i, TInstant::Seconds(10 * i));
+        }
+
+        NKikimrPQ::TPartitionConfig config;
+
+        config.SetSourceIdMaxCounts(10000);
+        {
+            auto request = MakeHolder<TEvKeyValue::TEvRequest>();
+            const auto dropped = storage.DropOldSourceIds(request.Get(), TInstant::Hours(1), 10000, TestPartition, config);
+            UNIT_ASSERT_EQUAL(dropped, false);
+        }
+
+        config.SetSourceIdMaxCounts(9900); // decrease by 100
+        {
+            auto request = MakeHolder<TEvKeyValue::TEvRequest>();
+            const auto dropped = storage.DropOldSourceIds(request.Get(), TInstant::Hours(1), 10000, TestPartition, config);
+            UNIT_ASSERT_EQUAL(dropped, true);
+            UNIT_ASSERT_VALUES_EQUAL(request.Get()->Record.CmdDeleteRangeSize(), 2 * 100); // 100 sources are dropped
+        }
+        {
+            auto it = storage.GetInMemorySourceIds().find(TestSourceId(100)); // 100th source is dropped
+            UNIT_ASSERT_EQUAL(it, storage.GetInMemorySourceIds().end());
+        }
+        {
+            auto it = storage.GetInMemorySourceIds().find(TestSourceId(101)); // 101th source is alive
+            UNIT_ASSERT_UNEQUAL(it, storage.GetInMemorySourceIds().end());
+        }
     }
 
     Y_UNIT_TEST(SourceIdStorageComplexDelete) {
-        TSourceIdStorage storage; 
-        for (ui64 i = 1; i <= 10000 + 1; ++i) { // add 10000 + one extra sources 
-            storage.RegisterSourceId(TestSourceId(i), i, i, TInstant::Seconds(10 * i)); 
-        } 
- 
-        NKikimrPQ::TPartitionConfig config; 
- 
-        config.SetSourceIdLifetimeSeconds(TDuration::Hours(1).Seconds()); 
-        config.SetSourceIdMaxCounts(10000); // limit to 10000 
-        { 
-            auto request = MakeHolder<TEvKeyValue::TEvRequest>(); 
-            const auto dropped = storage.DropOldSourceIds(request.Get(), TInstant::Hours(2), 10000, TestPartition, config); 
-            UNIT_ASSERT_EQUAL(dropped, true); 
-            UNIT_ASSERT_VALUES_EQUAL(request.Get()->Record.CmdDeleteRangeSize(), 2 * 360); // first 360 sources are dropped 
-        } 
- 
-        config.SetSourceIdLifetimeSeconds((TDuration::Hours(1) - TDuration::Minutes(1)).Seconds()); 
-        config.SetSourceIdMaxCounts(10000 - 360); 
-        { 
-            auto request = MakeHolder<TEvKeyValue::TEvRequest>(); 
-            const auto dropped = storage.DropOldSourceIds(request.Get(), TInstant::Hours(2), 10000, TestPartition, config); 
-            UNIT_ASSERT_EQUAL(dropped, true); 
-            UNIT_ASSERT_VALUES_EQUAL(request.Get()->Record.CmdDeleteRangeSize(), 2 * 6); // another 6 sources are dropped by retention 
-        } 
- 
-        config.SetSourceIdMaxCounts(10000 - 370); 
-        { 
-            auto request = MakeHolder<TEvKeyValue::TEvRequest>(); 
-            const auto dropped = storage.DropOldSourceIds(request.Get(), TInstant::Hours(2), 10000, TestPartition, config); 
-            UNIT_ASSERT_EQUAL(dropped, true); 
-            UNIT_ASSERT_VALUES_EQUAL(request.Get()->Record.CmdDeleteRangeSize(), 2 * 5); // more 5 sources are dropped 
-        } 
+        TSourceIdStorage storage;
+        for (ui64 i = 1; i <= 10000 + 1; ++i) { // add 10000 + one extra sources
+            storage.RegisterSourceId(TestSourceId(i), i, i, TInstant::Seconds(10 * i));
+        }
+
+        NKikimrPQ::TPartitionConfig config;
+
+        config.SetSourceIdLifetimeSeconds(TDuration::Hours(1).Seconds());
+        config.SetSourceIdMaxCounts(10000); // limit to 10000
+        {
+            auto request = MakeHolder<TEvKeyValue::TEvRequest>();
+            const auto dropped = storage.DropOldSourceIds(request.Get(), TInstant::Hours(2), 10000, TestPartition, config);
+            UNIT_ASSERT_EQUAL(dropped, true);
+            UNIT_ASSERT_VALUES_EQUAL(request.Get()->Record.CmdDeleteRangeSize(), 2 * 360); // first 360 sources are dropped
+        }
+
+        config.SetSourceIdLifetimeSeconds((TDuration::Hours(1) - TDuration::Minutes(1)).Seconds());
+        config.SetSourceIdMaxCounts(10000 - 360);
+        {
+            auto request = MakeHolder<TEvKeyValue::TEvRequest>();
+            const auto dropped = storage.DropOldSourceIds(request.Get(), TInstant::Hours(2), 10000, TestPartition, config);
+            UNIT_ASSERT_EQUAL(dropped, true);
+            UNIT_ASSERT_VALUES_EQUAL(request.Get()->Record.CmdDeleteRangeSize(), 2 * 6); // another 6 sources are dropped by retention
+        }
+
+        config.SetSourceIdMaxCounts(10000 - 370);
+        {
+            auto request = MakeHolder<TEvKeyValue::TEvRequest>();
+            const auto dropped = storage.DropOldSourceIds(request.Get(), TInstant::Hours(2), 10000, TestPartition, config);
+            UNIT_ASSERT_EQUAL(dropped, true);
+            UNIT_ASSERT_VALUES_EQUAL(request.Get()->Record.CmdDeleteRangeSize(), 2 * 5); // more 5 sources are dropped
+        }
     }
 
     Y_UNIT_TEST(SourceIdStorageDeleteAndOwnersMark) {
-        TSourceIdStorage storage; 
-        THashMap<TString, TOwnerInfo> owners; 
-        for (ui64 i = 1; i <= 2; ++i) { // add two sources 
-            const auto sourceId = TestSourceId(i); 
-            const auto owner = TestOwner(sourceId); 
- 
-            storage.RegisterSourceId(sourceId, i, i, TInstant::Hours(i)); 
-            storage.RegisterSourceIdOwner(sourceId, owner); 
-            owners[owner]; 
-        } 
- 
-        auto request = MakeHolder<TEvKeyValue::TEvRequest>(); 
-        NKikimrPQ::TPartitionConfig config; 
-        config.SetSourceIdMaxCounts(1); // limit to one 
- 
-        const auto dropped = storage.DropOldSourceIds(request.Get(), TInstant::Hours(1), 10000, TestPartition, config); 
-        UNIT_ASSERT_EQUAL(dropped, true); 
-        UNIT_ASSERT_VALUES_EQUAL(request.Get()->Record.CmdDeleteRangeSize(), 2); // first source is dropped by retention 
- 
-        storage.MarkOwnersForDeletedSourceId(owners); 
-        { 
-            auto it = owners.find(TestOwner(TestSourceId(1))); 
-            UNIT_ASSERT_UNEQUAL(it, owners.end()); 
-            UNIT_ASSERT_VALUES_EQUAL(it->second.SourceIdDeleted, true); 
-        } 
-        { 
-            auto it = owners.find(TestOwner(TestSourceId(2))); 
-            UNIT_ASSERT_UNEQUAL(it, owners.end()); 
-            UNIT_ASSERT_VALUES_EQUAL(it->second.SourceIdDeleted, false); 
-        } 
+        TSourceIdStorage storage;
+        THashMap<TString, TOwnerInfo> owners;
+        for (ui64 i = 1; i <= 2; ++i) { // add two sources
+            const auto sourceId = TestSourceId(i);
+            const auto owner = TestOwner(sourceId);
+
+            storage.RegisterSourceId(sourceId, i, i, TInstant::Hours(i));
+            storage.RegisterSourceIdOwner(sourceId, owner);
+            owners[owner];
+        }
+
+        auto request = MakeHolder<TEvKeyValue::TEvRequest>();
+        NKikimrPQ::TPartitionConfig config;
+        config.SetSourceIdMaxCounts(1); // limit to one
+
+        const auto dropped = storage.DropOldSourceIds(request.Get(), TInstant::Hours(1), 10000, TestPartition, config);
+        UNIT_ASSERT_EQUAL(dropped, true);
+        UNIT_ASSERT_VALUES_EQUAL(request.Get()->Record.CmdDeleteRangeSize(), 2); // first source is dropped by retention
+
+        storage.MarkOwnersForDeletedSourceId(owners);
+        {
+            auto it = owners.find(TestOwner(TestSourceId(1)));
+            UNIT_ASSERT_UNEQUAL(it, owners.end());
+            UNIT_ASSERT_VALUES_EQUAL(it->second.SourceIdDeleted, true);
+        }
+        {
+            auto it = owners.find(TestOwner(TestSourceId(2)));
+            UNIT_ASSERT_UNEQUAL(it, owners.end());
+            UNIT_ASSERT_VALUES_EQUAL(it->second.SourceIdDeleted, false);
+        }
     }
 
-} // TSourceIdTests 
+} // TSourceIdTests
 
-} // NPQ 
-} // NKikimr 
+} // NPQ
+} // NKikimr
diff --git a/ydb/core/persqueue/writer/source_id_encoding.cpp b/ydb/core/persqueue/writer/source_id_encoding.cpp
index fa6264a3bc..13a37c2c61 100644
--- a/ydb/core/persqueue/writer/source_id_encoding.cpp
+++ b/ydb/core/persqueue/writer/source_id_encoding.cpp
@@ -6,84 +6,84 @@
 #include <util/string/strip.h>
 
 namespace NKikimr {
-namespace NPQ { 
-namespace NSourceIdEncoding { 
-
-struct TTags { 
-    static constexpr char Simple = 0; 
-    static constexpr char Base64 = 1; 
-}; 
- 
-static constexpr TStringBuf Base64Prefix = "base64:"; 
- 
+namespace NPQ {
+namespace NSourceIdEncoding {
+
+struct TTags {
+    static constexpr char Simple = 0;
+    static constexpr char Base64 = 1;
+};
+
+static constexpr TStringBuf Base64Prefix = "base64:";
+
 TString EncodeSimple(const TString& sourceId) {
-    return TString(1, TTags::Simple) + sourceId; 
+    return TString(1, TTags::Simple) + sourceId;
+}
+
+TString DecodeSimple(const TString& sourceId) {
+    Y_VERIFY(!sourceId.empty() && sourceId[0] == TTags::Simple);
+    return sourceId.substr(1);
+}
+
+TString EncodeBase64(const TString& sourceId) {
+    const auto size = sourceId.size();
+    const auto prefixSize = Base64Prefix.size();
+
+    if (size == prefixSize || sourceId.find('=') != TString::npos) {
+        ythrow yexception() << "started from \"" << Base64Prefix << "\" must be valid base64 encoded string, without padding";
+    }
+
+    const auto remainder = (size - prefixSize) % 4;
+    const auto padding = remainder ? TString(4 - remainder, '=') : "";
+    const auto effective = sourceId.substr(prefixSize) + padding;
+
+    try {
+        return TString(1, TTags::Base64) + Base64StrictDecode(effective);
+    } catch (yexception& e) {
+        ythrow yexception() << "started from \"" << Base64Prefix << "\" must be valid base64 encoded string: " << e.what();
+    }
+}
+
+TString DecodeBase64(const TString& sourceId) {
+    Y_VERIFY(!sourceId.empty() && sourceId[0] == TTags::Base64);
+    return Base64Prefix + StripStringRight(Base64EncodeUrl(sourceId.substr(1)), EqualsStripAdapter(','));
 }
 
-TString DecodeSimple(const TString& sourceId) { 
-    Y_VERIFY(!sourceId.empty() && sourceId[0] == TTags::Simple); 
-    return sourceId.substr(1); 
-} 
- 
-TString EncodeBase64(const TString& sourceId) { 
-    const auto size = sourceId.size(); 
-    const auto prefixSize = Base64Prefix.size(); 
- 
-    if (size == prefixSize || sourceId.find('=') != TString::npos) { 
-        ythrow yexception() << "started from \"" << Base64Prefix << "\" must be valid base64 encoded string, without padding"; 
-    } 
- 
-    const auto remainder = (size - prefixSize) % 4; 
-    const auto padding = remainder ? TString(4 - remainder, '=') : ""; 
-    const auto effective = sourceId.substr(prefixSize) + padding; 
- 
-    try { 
-        return TString(1, TTags::Base64) + Base64StrictDecode(effective); 
-    } catch (yexception& e) { 
-        ythrow yexception() << "started from \"" << Base64Prefix << "\" must be valid base64 encoded string: " << e.what(); 
-    } 
-} 
- 
-TString DecodeBase64(const TString& sourceId) { 
-    Y_VERIFY(!sourceId.empty() && sourceId[0] == TTags::Base64); 
-    return Base64Prefix + StripStringRight(Base64EncodeUrl(sourceId.substr(1)), EqualsStripAdapter(',')); 
-} 
- 
 TString Encode(const TString& sourceId) {
-    if (sourceId.StartsWith(Base64Prefix)) { 
-        return EncodeBase64(sourceId); 
+    if (sourceId.StartsWith(Base64Prefix)) {
+        return EncodeBase64(sourceId);
     } else {
-        return EncodeSimple(sourceId); 
+        return EncodeSimple(sourceId);
     }
 }
 
-TString Decode(const TString& sourceId) { 
-    Y_VERIFY(!sourceId.empty()); 
- 
-    switch (sourceId[0]) { 
-    case TTags::Simple: 
-        return DecodeSimple(sourceId); 
-    case TTags::Base64: 
-        return DecodeBase64(sourceId); 
-    default: 
-        return sourceId; 
+TString Decode(const TString& sourceId) {
+    Y_VERIFY(!sourceId.empty());
+
+    switch (sourceId[0]) {
+    case TTags::Simple:
+        return DecodeSimple(sourceId);
+    case TTags::Base64:
+        return DecodeBase64(sourceId);
+    default:
+        return sourceId;
     }
 }
 
-bool IsValidEncoded(const TString& sourceId) { 
-    if (sourceId.empty()) { 
-        return false; 
-    } 
- 
-    switch (sourceId[0]) { 
-    case TTags::Simple: 
-    case TTags::Base64: 
-        return true; 
-    default: 
-        return false; 
-    } 
+bool IsValidEncoded(const TString& sourceId) {
+    if (sourceId.empty()) {
+        return false;
+    }
+
+    switch (sourceId[0]) {
+    case TTags::Simple:
+    case TTags::Base64:
+        return true;
+    default:
+        return false;
+    }
 }
 
-} // NSourceIdEncoding 
-} // NPQ 
-} // NKikimr 
+} // NSourceIdEncoding
+} // NPQ
+} // NKikimr
diff --git a/ydb/core/persqueue/writer/source_id_encoding.h b/ydb/core/persqueue/writer/source_id_encoding.h
index 999785f794..6472d8b4ac 100644
--- a/ydb/core/persqueue/writer/source_id_encoding.h
+++ b/ydb/core/persqueue/writer/source_id_encoding.h
@@ -3,8 +3,8 @@
 #include <util/generic/fwd.h>
 
 namespace NKikimr {
-namespace NPQ { 
-namespace NSourceIdEncoding { 
+namespace NPQ {
+namespace NSourceIdEncoding {
 
 TString EncodeSimple(const TString& sourceId);
 TString Encode(const TString& sourceId);
@@ -13,6 +13,6 @@ TString Decode(const TString& encodedSourceId);
 
 bool IsValidEncoded(const TString& encodedSourceId);
 
-} // NSourceIdEncoding 
-} // NPQ 
-} // NKikimr 
+} // NSourceIdEncoding
+} // NPQ
+} // NKikimr
diff --git a/ydb/core/persqueue/writer/writer.cpp b/ydb/core/persqueue/writer/writer.cpp
index c96e09e2c5..12a88372fb 100644
--- a/ydb/core/persqueue/writer/writer.cpp
+++ b/ydb/core/persqueue/writer/writer.cpp
@@ -1,457 +1,457 @@
-#include "source_id_encoding.h" 
-#include "writer.h" 
- 
-#include <library/cpp/actors/core/actor_bootstrapped.h> 
-#include <library/cpp/actors/core/hfunc.h> 
-#include <library/cpp/actors/core/log.h> 
- 
+#include "source_id_encoding.h"
+#include "writer.h"
+
+#include <library/cpp/actors/core/actor_bootstrapped.h>
+#include <library/cpp/actors/core/hfunc.h>
+#include <library/cpp/actors/core/log.h>
+
 #include <ydb/core/base/tablet_pipe.h>
 #include <ydb/core/persqueue/events/global.h>
 #include <ydb/public/lib/base/msgbus_status.h>
- 
-#include <util/generic/deque.h> 
-#include <util/generic/map.h> 
-#include <util/string/builder.h> 
- 
-namespace NKikimr { 
-namespace NPQ { 
- 
-TString TEvPartitionWriter::TEvInitResult::ToString() const { 
-    auto out = TStringBuilder() << ToStringHeader() << " {"; 
- 
-    if (IsSuccess()) { 
-        const auto& result = GetResult(); 
-        out << " OwnerCookie: " << result.OwnerCookie 
-            << " SourceIdInfo: " << result.SourceIdInfo.ShortDebugString(); 
-    } else { 
-        const auto& error = GetError(); 
-        out << " Reason: " << error.Reason 
-            << " Response: " << error.Response.ShortDebugString(); 
-    } 
- 
-    out << " }"; 
-    return out; 
-} 
- 
-TString TEvPartitionWriter::TEvWriteAccepted::ToString() const { 
-    return TStringBuilder() << ToStringHeader() << " {" 
-        << " Cookie: " << Cookie 
-    << " }"; 
-} 
- 
-class TPartitionWriter: public TActorBootstrapped<TPartitionWriter> { 
-    static void FillHeader(NKikimrClient::TPersQueuePartitionRequest& request, 
-            ui32 partitionId, const TActorId& pipeClient) 
-    { 
-        request.SetPartition(partitionId); 
-        ActorIdToProto(pipeClient, request.MutablePipeClient()); 
-    } 
- 
-    static void FillHeader(NKikimrClient::TPersQueuePartitionRequest& request, 
-            ui32 partitionId, const TActorId& pipeClient, const TString& ownerCookie, ui64 cookie) 
-    { 
-        FillHeader(request, partitionId, pipeClient); 
-        request.SetOwnerCookie(ownerCookie); 
-        request.SetCookie(cookie); 
-    } 
- 
-    template <typename... Args> 
-    static THolder<TEvPersQueue::TEvRequest> MakeRequest(Args&&... args) { 
-        auto ev = MakeHolder<TEvPersQueue::TEvRequest>(); 
-        FillHeader(*ev->Record.MutablePartitionRequest(), std::forward<Args>(args)...); 
- 
-        return ev; 
-    } 
- 
-    static bool BasicCheck(const NKikimrClient::TResponse& response, TString& error, bool mustHaveResponse = true) { 
-        if (response.GetStatus() != NMsgBusProxy::MSTATUS_OK) { 
-            error = TStringBuilder() << "Status is not ok" 
-                << ": status# " << static_cast<ui32>(response.GetStatus()); 
-            return false; 
-        } 
- 
-        if (response.GetErrorCode() != NPersQueue::NErrorCode::OK) { 
-            error = TStringBuilder() << "Error code is not ok" 
-                << ": code# " << static_cast<ui32>(response.GetErrorCode()); 
-            return false; 
-        } 
- 
-        if (mustHaveResponse && !response.HasPartitionResponse()) { 
-            error = "Absent partition response"; 
-            return false; 
-        } 
- 
-        return true; 
-    } 
- 
-    void InitResult(const TString& reason, NKikimrClient::TResponse&& response) { 
-        Send(Client, new TEvPartitionWriter::TEvInitResult(reason, std::move(response))); 
-        Become(&TThis::StateZombie); 
-    } 
- 
-    void InitResult(const TString& ownerCookie, const TEvPartitionWriter::TEvInitResult::TSourceIdInfo& sourceIdInfo) { 
-        Send(Client, new TEvPartitionWriter::TEvInitResult(ownerCookie, sourceIdInfo)); 
-    } 
- 
-    void WriteResult(const TString& reason, NKikimrClient::TResponse&& response) { 
-        Send(Client, new TEvPartitionWriter::TEvWriteResponse(reason, std::move(response))); 
-        Become(&TThis::StateZombie); 
-    } 
- 
-    void WriteResult(NKikimrClient::TResponse&& response) { 
-        Send(Client, new TEvPartitionWriter::TEvWriteResponse(std::move(response))); 
-        PendingWrite.pop_front(); 
-    } 
- 
-    void WriteAccepted(ui64 cookie) { 
-        Send(Client, new TEvPartitionWriter::TEvWriteAccepted(cookie)); 
-    } 
- 
-    void Disconnected() { 
-        Send(Client, new TEvPartitionWriter::TEvDisconnected()); 
-        Become(&TThis::StateZombie); 
-    } 
- 
-    /// GetOwnership 
- 
-    void GetOwnership() { 
-        auto ev = MakeRequest(PartitionId, PipeClient); 
- 
-        auto& cmd = *ev->Record.MutablePartitionRequest()->MutableCmdGetOwnership(); 
-        cmd.SetOwner(SourceId); 
-        cmd.SetForce(true); 
- 
-        NTabletPipe::SendData(SelfId(), PipeClient, ev.Release()); 
-        Become(&TThis::StateGetOwnership); 
-    } 
- 
-    STATEFN(StateGetOwnership) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvPersQueue::TEvResponse, HandleOwnership); 
-            hFunc(TEvPartitionWriter::TEvWriteRequest, HoldPending); 
-        default: 
-            return StateBase(ev, TlsActivationContext->AsActorContext()); 
-        } 
-    } 
- 
-    void HandleOwnership(TEvPersQueue::TEvResponse::TPtr& ev) { 
-        auto& record = ev->Get()->Record; 
- 
-        TString error; 
-        if (!BasicCheck(record, error)) { 
-            return InitResult(error, std::move(record)); 
-        } 
- 
-        const auto& response = record.GetPartitionResponse(); 
-        if (!response.HasCmdGetOwnershipResult()) { 
-            return InitResult("Absent Ownership result", std::move(record)); 
-        } 
- 
-        OwnerCookie = response.GetCmdGetOwnershipResult().GetOwnerCookie(); 
-        GetMaxSeqNo(); 
-    } 
- 
-    /// GetMaxSeqNo 
- 
-    void GetMaxSeqNo() { 
-        auto ev = MakeRequest(PartitionId, PipeClient); 
- 
-        auto& cmd = *ev->Record.MutablePartitionRequest()->MutableCmdGetMaxSeqNo(); 
-        cmd.AddSourceId(NSourceIdEncoding::EncodeSimple(SourceId)); 
- 
-        NTabletPipe::SendData(SelfId(), PipeClient, ev.Release()); 
-        Become(&TThis::StateGetMaxSeqNo); 
-    } 
- 
-    STATEFN(StateGetMaxSeqNo) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvPersQueue::TEvResponse, HandleMaxSeqNo); 
-            hFunc(TEvPartitionWriter::TEvWriteRequest, HoldPending); 
-        default: 
-            return StateBase(ev, TlsActivationContext->AsActorContext()); 
-        } 
-    } 
- 
-    void HandleMaxSeqNo(TEvPersQueue::TEvResponse::TPtr& ev) { 
-        auto& record = ev->Get()->Record; 
- 
-        TString error; 
-        if (!BasicCheck(record, error)) { 
-            return InitResult(error, std::move(record)); 
-        } 
- 
-        const auto& response = record.GetPartitionResponse(); 
-        if (!response.HasCmdGetMaxSeqNoResult()) { 
-            return InitResult("Absent MaxSeqNo result", std::move(record)); 
-        } 
- 
-        const auto& result = response.GetCmdGetMaxSeqNoResult(); 
-        if (result.SourceIdInfoSize() < 1) { 
-            return InitResult("Empty source id info", std::move(record)); 
-        } 
- 
-        const auto& sourceIdInfo = result.GetSourceIdInfo(0); 
-        if (Opts.CheckState) { 
-            switch (sourceIdInfo.GetState()) { 
-            case NKikimrPQ::TMessageGroupInfo::STATE_REGISTERED: 
-                Registered = true; 
-                break; 
-            case NKikimrPQ::TMessageGroupInfo::STATE_PENDING_REGISTRATION: 
-                if (Opts.AutoRegister) { 
-                    return RegisterMessageGroup(); 
-                } else { 
-                    return InitResult("Source is not registered", std::move(record)); 
-                } 
-            default: 
-                return InitResult("Unknown source state", std::move(record)); 
-            } 
-        } 
- 
-        InitResult(OwnerCookie, sourceIdInfo); 
-        Become(&TThis::StateWork); 
- 
-        if (Pending) { 
-            ReserveBytes(); 
-        } 
-    } 
- 
-    /// RegisterMessageGroup 
- 
-    void RegisterMessageGroup() { 
-        if (Registered) { 
-            Y_VERIFY_DEBUG(false); 
-            return InitResult("Already registered", NKikimrClient::TResponse()); 
-        } 
- 
-        auto ev = MakeRequest(PartitionId, PipeClient); 
- 
-        auto& cmd = *ev->Record.MutablePartitionRequest()->MutableCmdRegisterMessageGroup(); 
-        cmd.SetId(NSourceIdEncoding::EncodeSimple(SourceId)); 
-        // TODO cmd.SetPartitionKeyRange() 
-        cmd.SetAfterSplit(true); 
- 
-        NTabletPipe::SendData(SelfId(), PipeClient, ev.Release()); 
-        Become(&TThis::StateRegisterMessageGroup); 
-    } 
- 
-    STATEFN(StateRegisterMessageGroup) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvPersQueue::TEvResponse, HandleRegisterMessageGroup); 
-            hFunc(TEvPartitionWriter::TEvWriteRequest, HoldPending); 
-        default: 
-            return StateBase(ev, TlsActivationContext->AsActorContext()); 
-        } 
-    } 
- 
-    void HandleRegisterMessageGroup(TEvPersQueue::TEvResponse::TPtr& ev) { 
-        auto& record = ev->Get()->Record; 
- 
-        TString error; 
-        if (!BasicCheck(record, error, false)) { 
-            return InitResult(error, std::move(record)); 
-        } 
- 
-        Registered = true; 
-        GetMaxSeqNo(); 
-    } 
- 
-    /// Work 
- 
-    STATEFN(StateWork) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvPartitionWriter::TEvWriteRequest, Handle); 
-            hFunc(TEvPersQueue::TEvResponse, Handle); 
-        default: 
-            return StateBase(ev, TlsActivationContext->AsActorContext()); 
-        } 
-    } 
- 
-    void HoldPending(TEvPartitionWriter::TEvWriteRequest::TPtr& ev) { 
-        auto& record = ev->Get()->Record; 
-        const auto cookie = record.GetPartitionRequest().GetCookie(); 
- 
-        Y_VERIFY(Pending.empty() || Pending.rbegin()->first < cookie); 
-        Y_VERIFY(PendingReserve.empty() || PendingReserve.rbegin()->first < cookie); 
-        Y_VERIFY(PendingWrite.empty() || PendingWrite.back() < cookie); 
- 
-        Pending.emplace(cookie, std::move(ev->Get()->Record)); 
-    } 
- 
-    void Handle(TEvPartitionWriter::TEvWriteRequest::TPtr& ev) { 
-        HoldPending(ev); 
-        ReserveBytes(); 
-    } 
- 
-    void ReserveBytes() { 
-        while (Pending) { 
-            auto it = Pending.begin(); 
- 
-            FillHeader(*it->second.MutablePartitionRequest(), PartitionId, PipeClient, OwnerCookie, it->first); 
-            auto ev = MakeRequest(PartitionId, PipeClient, OwnerCookie, it->first); 
- 
-            auto& request = *ev->Record.MutablePartitionRequest(); 
-            request.SetMessageNo(MessageNo++); 
- 
-            auto& cmd = *request.MutableCmdReserveBytes(); 
-            cmd.SetSize(it->second.ByteSize()); 
-            cmd.SetLastRequest(false); 
- 
-            NTabletPipe::SendData(SelfId(), PipeClient, ev.Release()); 
- 
-            PendingReserve.emplace(it->first, std::move(it->second)); 
-            Pending.erase(it); 
-        } 
-    } 
- 
-    void Write(ui64 cookie) { 
-        Y_VERIFY(!PendingReserve.empty()); 
-        auto it = PendingReserve.begin(); 
- 
-        Y_VERIFY(it->first == cookie); 
-        Y_VERIFY(PendingWrite.empty() || PendingWrite.back() < cookie); 
- 
-        auto ev = MakeHolder<TEvPersQueue::TEvRequest>(); 
-        ev->Record = std::move(it->second); 
- 
-        auto& request = *ev->Record.MutablePartitionRequest(); 
-        request.SetMessageNo(MessageNo++); 
- 
-        NTabletPipe::SendData(SelfId(), PipeClient, ev.Release()); 
- 
-        PendingWrite.emplace_back(cookie); 
-        PendingReserve.erase(it); 
-    } 
- 
-    void Handle(TEvPersQueue::TEvResponse::TPtr& ev) { 
-        auto& record = ev->Get()->Record; 
- 
-        TString error; 
-        if (!BasicCheck(record, error)) { 
-            return WriteResult(error, std::move(record)); 
-        } 
- 
-        const auto& response = record.GetPartitionResponse(); 
-        if (!response.CmdWriteResultSize()) { 
-            if (PendingReserve.empty()) { 
-                return WriteResult("Unexpected ReserveBytes response", std::move(record)); 
-            } 
- 
-            const auto cookie = PendingReserve.begin()->first; 
-            if (cookie != response.GetCookie()) { 
-                error = TStringBuilder() << "Unexpected cookie at ReserveBytes" 
-                    << ": expected# " << cookie 
-                    << ", got# " << response.GetCookie(); 
-                return WriteResult(error, std::move(record)); 
-            } 
- 
-            WriteAccepted(cookie); 
-            Write(cookie); 
-        } else { 
-            if (PendingWrite.empty()) { 
-                return WriteResult("Unexpected Write response", std::move(record)); 
-            } 
- 
-            const auto cookie = PendingWrite.front(); 
-            if (cookie != response.GetCookie()) { 
-                error = TStringBuilder() << "Unexpected cookie at Write" 
-                    << ": expected# " << cookie 
-                    << ", got# " << response.GetCookie(); 
-                return WriteResult(error, std::move(record)); 
-            } 
- 
-            WriteResult(std::move(record)); 
-        } 
-    } 
- 
-    void Handle(TEvTabletPipe::TEvClientConnected::TPtr& ev) { 
-        if (ev->Get()->TabletId == TabletId && ev->Get()->Status != NKikimrProto::OK) { 
-            Disconnected(); 
-        } 
-    } 
- 
-    void Handle(TEvTabletPipe::TEvClientDestroyed::TPtr& ev) { 
-        if (ev->Get()->TabletId == TabletId) { 
-            Disconnected(); 
-        } 
-    } 
- 
-    void PassAway() override { 
-        if (PipeClient) { 
-            NTabletPipe::CloseAndForgetClient(SelfId(), PipeClient); 
-        } 
- 
-        TActorBootstrapped::PassAway(); 
-    } 
- 
-public: 
-    static constexpr NKikimrServices::TActivity::EType ActorActivityType() { 
-        return NKikimrServices::TActivity::PQ_PARTITION_WRITER_ACTOR; 
-    } 
- 
-    explicit TPartitionWriter( 
-            const TActorId& client, 
-            ui64 tabletId, 
-            ui32 partitionId, 
-            const TString& sourceId, 
-            const TPartitionWriterOpts& opts) 
-        : Client(client) 
-        , TabletId(tabletId) 
-        , PartitionId(partitionId) 
-        , SourceId(sourceId) 
-        , Opts(opts) 
-    { 
-    } 
- 
-    void Bootstrap() { 
-        NTabletPipe::TClientConfig config; 
-        config.RetryPolicy = { 
-            .RetryLimitCount = 6, 
-            .MinRetryTime = TDuration::MilliSeconds(10), 
-            .MaxRetryTime = TDuration::MilliSeconds(100), 
-            .BackoffMultiplier = 2, 
-            .DoFirstRetryInstantly = true 
-        }; 
- 
-        PipeClient = RegisterWithSameMailbox(NTabletPipe::CreateClient(SelfId(), TabletId, config)); 
- 
-        GetOwnership(); 
-    } 
- 
-    STATEFN(StateBase) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvTabletPipe::TEvClientConnected, Handle); 
-            hFunc(TEvTabletPipe::TEvClientDestroyed, Handle); 
-            sFunc(TEvents::TEvPoison, PassAway); 
-        } 
-    } 
- 
-    STATEFN(StateZombie) { 
-        switch (ev->GetTypeRewrite()) { 
-            sFunc(TEvents::TEvPoison, PassAway); 
-        } 
-    } 
- 
-private: 
-    const TActorId Client; 
-    const ui64 TabletId; 
-    const ui32 PartitionId; 
-    const TString SourceId; 
-    const TPartitionWriterOpts Opts; 
- 
-    TActorId PipeClient; 
-    TString OwnerCookie; 
-    bool Registered = false; 
-    ui64 MessageNo = 0; 
- 
-    TMap<ui64, NKikimrClient::TPersQueueRequest> Pending; 
-    TMap<ui64, NKikimrClient::TPersQueueRequest> PendingReserve; 
-    TDeque<ui64> PendingWrite; 
- 
-}; // TPartitionWriter 
- 
-IActor* CreatePartitionWriter(const TActorId& client, ui64 tabletId, ui32 partitionId, const TString& sourceId, const TPartitionWriterOpts& opts) { 
-    return new TPartitionWriter(client, tabletId, partitionId, sourceId, opts); 
-} 
- 
-} // NPQ 
-} // NKikimr 
+
+#include <util/generic/deque.h>
+#include <util/generic/map.h>
+#include <util/string/builder.h>
+
+namespace NKikimr {
+namespace NPQ {
+
+TString TEvPartitionWriter::TEvInitResult::ToString() const {
+    auto out = TStringBuilder() << ToStringHeader() << " {";
+
+    if (IsSuccess()) {
+        const auto& result = GetResult();
+        out << " OwnerCookie: " << result.OwnerCookie
+            << " SourceIdInfo: " << result.SourceIdInfo.ShortDebugString();
+    } else {
+        const auto& error = GetError();
+        out << " Reason: " << error.Reason
+            << " Response: " << error.Response.ShortDebugString();
+    }
+
+    out << " }";
+    return out;
+}
+
+TString TEvPartitionWriter::TEvWriteAccepted::ToString() const {
+    return TStringBuilder() << ToStringHeader() << " {"
+        << " Cookie: " << Cookie
+    << " }";
+}
+
+class TPartitionWriter: public TActorBootstrapped<TPartitionWriter> {
+    static void FillHeader(NKikimrClient::TPersQueuePartitionRequest& request,
+            ui32 partitionId, const TActorId& pipeClient)
+    {
+        request.SetPartition(partitionId);
+        ActorIdToProto(pipeClient, request.MutablePipeClient());
+    }
+
+    static void FillHeader(NKikimrClient::TPersQueuePartitionRequest& request,
+            ui32 partitionId, const TActorId& pipeClient, const TString& ownerCookie, ui64 cookie)
+    {
+        FillHeader(request, partitionId, pipeClient);
+        request.SetOwnerCookie(ownerCookie);
+        request.SetCookie(cookie);
+    }
+
+    template <typename... Args>
+    static THolder<TEvPersQueue::TEvRequest> MakeRequest(Args&&... args) {
+        auto ev = MakeHolder<TEvPersQueue::TEvRequest>();
+        FillHeader(*ev->Record.MutablePartitionRequest(), std::forward<Args>(args)...);
+
+        return ev;
+    }
+
+    static bool BasicCheck(const NKikimrClient::TResponse& response, TString& error, bool mustHaveResponse = true) {
+        if (response.GetStatus() != NMsgBusProxy::MSTATUS_OK) {
+            error = TStringBuilder() << "Status is not ok"
+                << ": status# " << static_cast<ui32>(response.GetStatus());
+            return false;
+        }
+
+        if (response.GetErrorCode() != NPersQueue::NErrorCode::OK) {
+            error = TStringBuilder() << "Error code is not ok"
+                << ": code# " << static_cast<ui32>(response.GetErrorCode());
+            return false;
+        }
+
+        if (mustHaveResponse && !response.HasPartitionResponse()) {
+            error = "Absent partition response";
+            return false;
+        }
+
+        return true;
+    }
+
+    void InitResult(const TString& reason, NKikimrClient::TResponse&& response) {
+        Send(Client, new TEvPartitionWriter::TEvInitResult(reason, std::move(response)));
+        Become(&TThis::StateZombie);
+    }
+
+    void InitResult(const TString& ownerCookie, const TEvPartitionWriter::TEvInitResult::TSourceIdInfo& sourceIdInfo) {
+        Send(Client, new TEvPartitionWriter::TEvInitResult(ownerCookie, sourceIdInfo));
+    }
+
+    void WriteResult(const TString& reason, NKikimrClient::TResponse&& response) {
+        Send(Client, new TEvPartitionWriter::TEvWriteResponse(reason, std::move(response)));
+        Become(&TThis::StateZombie);
+    }
+
+    void WriteResult(NKikimrClient::TResponse&& response) {
+        Send(Client, new TEvPartitionWriter::TEvWriteResponse(std::move(response)));
+        PendingWrite.pop_front();
+    }
+
+    void WriteAccepted(ui64 cookie) {
+        Send(Client, new TEvPartitionWriter::TEvWriteAccepted(cookie));
+    }
+
+    void Disconnected() {
+        Send(Client, new TEvPartitionWriter::TEvDisconnected());
+        Become(&TThis::StateZombie);
+    }
+
+    /// GetOwnership
+
+    void GetOwnership() {
+        auto ev = MakeRequest(PartitionId, PipeClient);
+
+        auto& cmd = *ev->Record.MutablePartitionRequest()->MutableCmdGetOwnership();
+        cmd.SetOwner(SourceId);
+        cmd.SetForce(true);
+
+        NTabletPipe::SendData(SelfId(), PipeClient, ev.Release());
+        Become(&TThis::StateGetOwnership);
+    }
+
+    STATEFN(StateGetOwnership) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvPersQueue::TEvResponse, HandleOwnership);
+            hFunc(TEvPartitionWriter::TEvWriteRequest, HoldPending);
+        default:
+            return StateBase(ev, TlsActivationContext->AsActorContext());
+        }
+    }
+
+    void HandleOwnership(TEvPersQueue::TEvResponse::TPtr& ev) {
+        auto& record = ev->Get()->Record;
+
+        TString error;
+        if (!BasicCheck(record, error)) {
+            return InitResult(error, std::move(record));
+        }
+
+        const auto& response = record.GetPartitionResponse();
+        if (!response.HasCmdGetOwnershipResult()) {
+            return InitResult("Absent Ownership result", std::move(record));
+        }
+
+        OwnerCookie = response.GetCmdGetOwnershipResult().GetOwnerCookie();
+        GetMaxSeqNo();
+    }
+
+    /// GetMaxSeqNo
+
+    void GetMaxSeqNo() {
+        auto ev = MakeRequest(PartitionId, PipeClient);
+
+        auto& cmd = *ev->Record.MutablePartitionRequest()->MutableCmdGetMaxSeqNo();
+        cmd.AddSourceId(NSourceIdEncoding::EncodeSimple(SourceId));
+
+        NTabletPipe::SendData(SelfId(), PipeClient, ev.Release());
+        Become(&TThis::StateGetMaxSeqNo);
+    }
+
+    STATEFN(StateGetMaxSeqNo) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvPersQueue::TEvResponse, HandleMaxSeqNo);
+            hFunc(TEvPartitionWriter::TEvWriteRequest, HoldPending);
+        default:
+            return StateBase(ev, TlsActivationContext->AsActorContext());
+        }
+    }
+
+    void HandleMaxSeqNo(TEvPersQueue::TEvResponse::TPtr& ev) {
+        auto& record = ev->Get()->Record;
+
+        TString error;
+        if (!BasicCheck(record, error)) {
+            return InitResult(error, std::move(record));
+        }
+
+        const auto& response = record.GetPartitionResponse();
+        if (!response.HasCmdGetMaxSeqNoResult()) {
+            return InitResult("Absent MaxSeqNo result", std::move(record));
+        }
+
+        const auto& result = response.GetCmdGetMaxSeqNoResult();
+        if (result.SourceIdInfoSize() < 1) {
+            return InitResult("Empty source id info", std::move(record));
+        }
+
+        const auto& sourceIdInfo = result.GetSourceIdInfo(0);
+        if (Opts.CheckState) {
+            switch (sourceIdInfo.GetState()) {
+            case NKikimrPQ::TMessageGroupInfo::STATE_REGISTERED:
+                Registered = true;
+                break;
+            case NKikimrPQ::TMessageGroupInfo::STATE_PENDING_REGISTRATION:
+                if (Opts.AutoRegister) {
+                    return RegisterMessageGroup();
+                } else {
+                    return InitResult("Source is not registered", std::move(record));
+                }
+            default:
+                return InitResult("Unknown source state", std::move(record));
+            }
+        }
+
+        InitResult(OwnerCookie, sourceIdInfo);
+        Become(&TThis::StateWork);
+
+        if (Pending) {
+            ReserveBytes();
+        }
+    }
+
+    /// RegisterMessageGroup
+
+    void RegisterMessageGroup() {
+        if (Registered) {
+            Y_VERIFY_DEBUG(false);
+            return InitResult("Already registered", NKikimrClient::TResponse());
+        }
+
+        auto ev = MakeRequest(PartitionId, PipeClient);
+
+        auto& cmd = *ev->Record.MutablePartitionRequest()->MutableCmdRegisterMessageGroup();
+        cmd.SetId(NSourceIdEncoding::EncodeSimple(SourceId));
+        // TODO cmd.SetPartitionKeyRange()
+        cmd.SetAfterSplit(true);
+
+        NTabletPipe::SendData(SelfId(), PipeClient, ev.Release());
+        Become(&TThis::StateRegisterMessageGroup);
+    }
+
+    STATEFN(StateRegisterMessageGroup) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvPersQueue::TEvResponse, HandleRegisterMessageGroup);
+            hFunc(TEvPartitionWriter::TEvWriteRequest, HoldPending);
+        default:
+            return StateBase(ev, TlsActivationContext->AsActorContext());
+        }
+    }
+
+    void HandleRegisterMessageGroup(TEvPersQueue::TEvResponse::TPtr& ev) {
+        auto& record = ev->Get()->Record;
+
+        TString error;
+        if (!BasicCheck(record, error, false)) {
+            return InitResult(error, std::move(record));
+        }
+
+        Registered = true;
+        GetMaxSeqNo();
+    }
+
+    /// Work
+
+    STATEFN(StateWork) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvPartitionWriter::TEvWriteRequest, Handle);
+            hFunc(TEvPersQueue::TEvResponse, Handle);
+        default:
+            return StateBase(ev, TlsActivationContext->AsActorContext());
+        }
+    }
+
+    void HoldPending(TEvPartitionWriter::TEvWriteRequest::TPtr& ev) {
+        auto& record = ev->Get()->Record;
+        const auto cookie = record.GetPartitionRequest().GetCookie();
+
+        Y_VERIFY(Pending.empty() || Pending.rbegin()->first < cookie);
+        Y_VERIFY(PendingReserve.empty() || PendingReserve.rbegin()->first < cookie);
+        Y_VERIFY(PendingWrite.empty() || PendingWrite.back() < cookie);
+
+        Pending.emplace(cookie, std::move(ev->Get()->Record));
+    }
+
+    void Handle(TEvPartitionWriter::TEvWriteRequest::TPtr& ev) {
+        HoldPending(ev);
+        ReserveBytes();
+    }
+
+    void ReserveBytes() {
+        while (Pending) {
+            auto it = Pending.begin();
+
+            FillHeader(*it->second.MutablePartitionRequest(), PartitionId, PipeClient, OwnerCookie, it->first);
+            auto ev = MakeRequest(PartitionId, PipeClient, OwnerCookie, it->first);
+
+            auto& request = *ev->Record.MutablePartitionRequest();
+            request.SetMessageNo(MessageNo++);
+
+            auto& cmd = *request.MutableCmdReserveBytes();
+            cmd.SetSize(it->second.ByteSize());
+            cmd.SetLastRequest(false);
+
+            NTabletPipe::SendData(SelfId(), PipeClient, ev.Release());
+
+            PendingReserve.emplace(it->first, std::move(it->second));
+            Pending.erase(it);
+        }
+    }
+
+    void Write(ui64 cookie) {
+        Y_VERIFY(!PendingReserve.empty());
+        auto it = PendingReserve.begin();
+
+        Y_VERIFY(it->first == cookie);
+        Y_VERIFY(PendingWrite.empty() || PendingWrite.back() < cookie);
+
+        auto ev = MakeHolder<TEvPersQueue::TEvRequest>();
+        ev->Record = std::move(it->second);
+
+        auto& request = *ev->Record.MutablePartitionRequest();
+        request.SetMessageNo(MessageNo++);
+
+        NTabletPipe::SendData(SelfId(), PipeClient, ev.Release());
+
+        PendingWrite.emplace_back(cookie);
+        PendingReserve.erase(it);
+    }
+
+    void Handle(TEvPersQueue::TEvResponse::TPtr& ev) {
+        auto& record = ev->Get()->Record;
+
+        TString error;
+        if (!BasicCheck(record, error)) {
+            return WriteResult(error, std::move(record));
+        }
+
+        const auto& response = record.GetPartitionResponse();
+        if (!response.CmdWriteResultSize()) {
+            if (PendingReserve.empty()) {
+                return WriteResult("Unexpected ReserveBytes response", std::move(record));
+            }
+
+            const auto cookie = PendingReserve.begin()->first;
+            if (cookie != response.GetCookie()) {
+                error = TStringBuilder() << "Unexpected cookie at ReserveBytes"
+                    << ": expected# " << cookie
+                    << ", got# " << response.GetCookie();
+                return WriteResult(error, std::move(record));
+            }
+
+            WriteAccepted(cookie);
+            Write(cookie);
+        } else {
+            if (PendingWrite.empty()) {
+                return WriteResult("Unexpected Write response", std::move(record));
+            }
+
+            const auto cookie = PendingWrite.front();
+            if (cookie != response.GetCookie()) {
+                error = TStringBuilder() << "Unexpected cookie at Write"
+                    << ": expected# " << cookie
+                    << ", got# " << response.GetCookie();
+                return WriteResult(error, std::move(record));
+            }
+
+            WriteResult(std::move(record));
+        }
+    }
+
+    void Handle(TEvTabletPipe::TEvClientConnected::TPtr& ev) {
+        if (ev->Get()->TabletId == TabletId && ev->Get()->Status != NKikimrProto::OK) {
+            Disconnected();
+        }
+    }
+
+    void Handle(TEvTabletPipe::TEvClientDestroyed::TPtr& ev) {
+        if (ev->Get()->TabletId == TabletId) {
+            Disconnected();
+        }
+    }
+
+    void PassAway() override {
+        if (PipeClient) {
+            NTabletPipe::CloseAndForgetClient(SelfId(), PipeClient);
+        }
+
+        TActorBootstrapped::PassAway();
+    }
+
+public:
+    static constexpr NKikimrServices::TActivity::EType ActorActivityType() {
+        return NKikimrServices::TActivity::PQ_PARTITION_WRITER_ACTOR;
+    }
+
+    explicit TPartitionWriter(
+            const TActorId& client,
+            ui64 tabletId,
+            ui32 partitionId,
+            const TString& sourceId,
+            const TPartitionWriterOpts& opts)
+        : Client(client)
+        , TabletId(tabletId)
+        , PartitionId(partitionId)
+        , SourceId(sourceId)
+        , Opts(opts)
+    {
+    }
+
+    void Bootstrap() {
+        NTabletPipe::TClientConfig config;
+        config.RetryPolicy = {
+            .RetryLimitCount = 6,
+            .MinRetryTime = TDuration::MilliSeconds(10),
+            .MaxRetryTime = TDuration::MilliSeconds(100),
+            .BackoffMultiplier = 2,
+            .DoFirstRetryInstantly = true
+        };
+
+        PipeClient = RegisterWithSameMailbox(NTabletPipe::CreateClient(SelfId(), TabletId, config));
+
+        GetOwnership();
+    }
+
+    STATEFN(StateBase) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvTabletPipe::TEvClientConnected, Handle);
+            hFunc(TEvTabletPipe::TEvClientDestroyed, Handle);
+            sFunc(TEvents::TEvPoison, PassAway);
+        }
+    }
+
+    STATEFN(StateZombie) {
+        switch (ev->GetTypeRewrite()) {
+            sFunc(TEvents::TEvPoison, PassAway);
+        }
+    }
+
+private:
+    const TActorId Client;
+    const ui64 TabletId;
+    const ui32 PartitionId;
+    const TString SourceId;
+    const TPartitionWriterOpts Opts;
+
+    TActorId PipeClient;
+    TString OwnerCookie;
+    bool Registered = false;
+    ui64 MessageNo = 0;
+
+    TMap<ui64, NKikimrClient::TPersQueueRequest> Pending;
+    TMap<ui64, NKikimrClient::TPersQueueRequest> PendingReserve;
+    TDeque<ui64> PendingWrite;
+
+}; // TPartitionWriter
+
+IActor* CreatePartitionWriter(const TActorId& client, ui64 tabletId, ui32 partitionId, const TString& sourceId, const TPartitionWriterOpts& opts) {
+    return new TPartitionWriter(client, tabletId, partitionId, sourceId, opts);
+}
+
+} // NPQ
+} // NKikimr
diff --git a/ydb/core/persqueue/writer/writer.h b/ydb/core/persqueue/writer/writer.h
index fe339749fa..5e880bab00 100644
--- a/ydb/core/persqueue/writer/writer.h
+++ b/ydb/core/persqueue/writer/writer.h
@@ -1,122 +1,122 @@
-#pragma once 
- 
+#pragma once
+
 #include <ydb/core/base/defs.h>
 #include <ydb/core/base/events.h>
 #include <ydb/core/protos/msgbus.pb.h>
 #include <ydb/core/protos/msgbus_pq.pb.h>
- 
-#include <variant> 
- 
-namespace NKikimr { 
-namespace NPQ { 
- 
-struct TEvPartitionWriter { 
-    enum EEv { 
-        EvInitResult = EventSpaceBegin(TKikimrEvents::ES_PQ_PARTITION_WRITER), 
-        EvWriteRequest, 
-        EvWriteAccepted, 
-        EvWriteResponse, 
-        EvDisconnected, 
- 
-        EvEnd, 
-    }; 
- 
-    static_assert(EvEnd < EventSpaceEnd(TKikimrEvents::ES_PQ_PARTITION_WRITER), "expect EvEnd < EventSpaceEnd(TKikimrEvents::ES_PQ_PARTITION_WRITER)"); 
- 
-    struct TEvInitResult: public TEventLocal<TEvInitResult, EvInitResult> { 
-        using TSourceIdInfo = NKikimrClient::TPersQueuePartitionResponse::TCmdGetMaxSeqNoResult::TSourceIdInfo; 
- 
-        struct TSuccess { 
-            TString OwnerCookie; 
-            TSourceIdInfo SourceIdInfo; 
-        }; 
- 
-        struct TError { 
-            TString Reason; 
-            NKikimrClient::TResponse Response; 
-        }; 
- 
-        std::variant<TSuccess, TError> Result; 
- 
-        explicit TEvInitResult(const TString& ownerCookie, const TSourceIdInfo& sourceIdInfo) 
-            : Result(TSuccess{ownerCookie, sourceIdInfo}) 
-        { 
-        } 
- 
-        explicit TEvInitResult(const TString& reason, NKikimrClient::TResponse&& response) 
-            : Result(TError{reason, std::move(response)}) 
-        { 
-        } 
- 
-        bool IsSuccess() const { return Result.index() == 0; } 
-        const TSuccess& GetResult() const { return std::get<0>(Result); } 
-        const TError& GetError() const { return std::get<1>(Result); } 
-        TString ToString() const override; 
-    }; 
- 
-    struct TEvWriteRequest: public TEventPB<TEvWriteRequest, NKikimrClient::TPersQueueRequest, EvWriteRequest> { 
-        // Only Cookie & CmdWrite must be set, other fields can be overwritten 
-        TEvWriteRequest() = default; 
- 
-        explicit TEvWriteRequest(ui64 cookie) { 
-            Record.MutablePartitionRequest()->SetCookie(cookie); 
-        } 
-    }; 
- 
-    struct TEvWriteAccepted: public TEventLocal<TEvWriteAccepted, EvWriteAccepted> { 
-        ui64 Cookie; 
- 
-        explicit TEvWriteAccepted(ui64 cookie) 
-            : Cookie(cookie) 
-        { 
-        } 
- 
-        TString ToString() const override; 
-    }; 
- 
-    struct TEvWriteResponse: public TEventPB<TEvWriteResponse, NKikimrClient::TResponse, EvWriteResponse> { 
-        struct TSuccess { 
-        }; 
- 
-        struct TError { 
-            TString Reason; 
-        }; 
- 
-        std::variant<TSuccess, TError> Result; 
- 
-        TEvWriteResponse() = default; 
- 
-        explicit TEvWriteResponse(NKikimrClient::TResponse&& response) 
-            : Result(TSuccess{}) 
-        { 
-            Record = std::move(response); 
-        } 
- 
-        explicit TEvWriteResponse(const TString& reason, NKikimrClient::TResponse&& response) 
-            : Result(TError{reason}) 
-        { 
-            Record = std::move(response); 
-        } 
- 
-        bool IsSuccess() const { return Result.index() == 0; } 
-        const TError& GetError() const { return std::get<1>(Result); } 
-    }; 
- 
-    struct TEvDisconnected: public TEventLocal<TEvDisconnected, EvDisconnected> { 
-    }; 
- 
-}; // TEvPartitionWriter 
- 
-struct TPartitionWriterOpts { 
-    bool CheckState = false; 
-    bool AutoRegister = false; 
- 
-    TPartitionWriterOpts& WithCheckState(bool value) { CheckState = value; return *this; } 
-    TPartitionWriterOpts& WithAutoRegister(bool value) { AutoRegister = value; return *this; } 
-}; 
- 
-IActor* CreatePartitionWriter(const TActorId& client, ui64 tabletId, ui32 partitionId, const TString& sourceId, 
-    const TPartitionWriterOpts& opts = {}); 
- 
-} // NPQ 
-} // NKikimr 
+
+#include <variant>
+
+namespace NKikimr {
+namespace NPQ {
+
+struct TEvPartitionWriter {
+    enum EEv {
+        EvInitResult = EventSpaceBegin(TKikimrEvents::ES_PQ_PARTITION_WRITER),
+        EvWriteRequest,
+        EvWriteAccepted,
+        EvWriteResponse,
+        EvDisconnected,
+
+        EvEnd,
+    };
+
+    static_assert(EvEnd < EventSpaceEnd(TKikimrEvents::ES_PQ_PARTITION_WRITER), "expect EvEnd < EventSpaceEnd(TKikimrEvents::ES_PQ_PARTITION_WRITER)");
+
+    struct TEvInitResult: public TEventLocal<TEvInitResult, EvInitResult> {
+        using TSourceIdInfo = NKikimrClient::TPersQueuePartitionResponse::TCmdGetMaxSeqNoResult::TSourceIdInfo;
+
+        struct TSuccess {
+            TString OwnerCookie;
+            TSourceIdInfo SourceIdInfo;
+        };
+
+        struct TError {
+            TString Reason;
+            NKikimrClient::TResponse Response;
+        };
+
+        std::variant<TSuccess, TError> Result;
+
+        explicit TEvInitResult(const TString& ownerCookie, const TSourceIdInfo& sourceIdInfo)
+            : Result(TSuccess{ownerCookie, sourceIdInfo})
+        {
+        }
+
+        explicit TEvInitResult(const TString& reason, NKikimrClient::TResponse&& response)
+            : Result(TError{reason, std::move(response)})
+        {
+        }
+
+        bool IsSuccess() const { return Result.index() == 0; }
+        const TSuccess& GetResult() const { return std::get<0>(Result); }
+        const TError& GetError() const { return std::get<1>(Result); }
+        TString ToString() const override;
+    };
+
+    struct TEvWriteRequest: public TEventPB<TEvWriteRequest, NKikimrClient::TPersQueueRequest, EvWriteRequest> {
+        // Only Cookie & CmdWrite must be set, other fields can be overwritten
+        TEvWriteRequest() = default;
+
+        explicit TEvWriteRequest(ui64 cookie) {
+            Record.MutablePartitionRequest()->SetCookie(cookie);
+        }
+    };
+
+    struct TEvWriteAccepted: public TEventLocal<TEvWriteAccepted, EvWriteAccepted> {
+        ui64 Cookie;
+
+        explicit TEvWriteAccepted(ui64 cookie)
+            : Cookie(cookie)
+        {
+        }
+
+        TString ToString() const override;
+    };
+
+    struct TEvWriteResponse: public TEventPB<TEvWriteResponse, NKikimrClient::TResponse, EvWriteResponse> {
+        struct TSuccess {
+        };
+
+        struct TError {
+            TString Reason;
+        };
+
+        std::variant<TSuccess, TError> Result;
+
+        TEvWriteResponse() = default;
+
+        explicit TEvWriteResponse(NKikimrClient::TResponse&& response)
+            : Result(TSuccess{})
+        {
+            Record = std::move(response);
+        }
+
+        explicit TEvWriteResponse(const TString& reason, NKikimrClient::TResponse&& response)
+            : Result(TError{reason})
+        {
+            Record = std::move(response);
+        }
+
+        bool IsSuccess() const { return Result.index() == 0; }
+        const TError& GetError() const { return std::get<1>(Result); }
+    };
+
+    struct TEvDisconnected: public TEventLocal<TEvDisconnected, EvDisconnected> {
+    };
+
+}; // TEvPartitionWriter
+
+struct TPartitionWriterOpts {
+    bool CheckState = false;
+    bool AutoRegister = false;
+
+    TPartitionWriterOpts& WithCheckState(bool value) { CheckState = value; return *this; }
+    TPartitionWriterOpts& WithAutoRegister(bool value) { AutoRegister = value; return *this; }
+};
+
+IActor* CreatePartitionWriter(const TActorId& client, ui64 tabletId, ui32 partitionId, const TString& sourceId,
+    const TPartitionWriterOpts& opts = {});
+
+} // NPQ
+} // NKikimr
diff --git a/ydb/core/persqueue/writer/ya.make b/ydb/core/persqueue/writer/ya.make
index fcf247732e..6cc1bb572e 100644
--- a/ydb/core/persqueue/writer/ya.make
+++ b/ydb/core/persqueue/writer/ya.make
@@ -1,23 +1,23 @@
-LIBRARY() 
- 
-OWNER( 
-    ilnaz 
+LIBRARY()
+
+OWNER(
+    ilnaz
     g:kikimr
-    g:logbroker 
-) 
- 
-SRCS( 
-    source_id_encoding.cpp 
-    writer.cpp 
-) 
- 
-PEERDIR( 
-    library/cpp/actors/core 
-    library/cpp/string_utils/base64 
+    g:logbroker
+)
+
+SRCS(
+    source_id_encoding.cpp
+    writer.cpp
+)
+
+PEERDIR(
+    library/cpp/actors/core
+    library/cpp/string_utils/base64
     ydb/core/base
     ydb/core/persqueue/events
     ydb/core/protos
     ydb/public/lib/base
-) 
- 
-END() 
+)
+
+END()
diff --git a/ydb/core/persqueue/ya.make b/ydb/core/persqueue/ya.make
index 240e10e249..50e89676ef 100644
--- a/ydb/core/persqueue/ya.make
+++ b/ydb/core/persqueue/ya.make
@@ -30,8 +30,8 @@ SRCS(
     actor_persqueue_client_iface.h
 )
 
-GENERATE_ENUM_SERIALIZATION(sourceid.h) 
- 
+GENERATE_ENUM_SERIALIZATION(sourceid.h)
+
 PEERDIR(
     library/cpp/actors/core
     library/cpp/html/pcdata
diff --git a/ydb/core/protos/base.proto b/ydb/core/protos/base.proto
index f045e35bfe..1f7e855e09 100644
--- a/ydb/core/protos/base.proto
+++ b/ydb/core/protos/base.proto
@@ -37,8 +37,8 @@ message TRowVersion {
     optional uint64 Step = 1;
     optional uint64 TxId = 2;
 }
- 
-message TPathID { 
-    optional fixed64 OwnerId = 1; 
-    optional uint64 LocalId = 2; 
-} 
+
+message TPathID {
+    optional fixed64 OwnerId = 1;
+    optional uint64 LocalId = 2;
+}
diff --git a/ydb/core/protos/change_exchange.proto b/ydb/core/protos/change_exchange.proto
index 8579d3e298..732c4716c2 100644
--- a/ydb/core/protos/change_exchange.proto
+++ b/ydb/core/protos/change_exchange.proto
@@ -1,102 +1,102 @@
-import "google/protobuf/empty.proto"; 
- 
-package NKikimrChangeExchange; 
-option java_package = "ru.yandex.kikimr.proto"; 
- 
-message TChangeRecord { 
-    message TDataChange { 
-        message TSerializedCells { 
-            // Column tags 
-            repeated uint32 Tags = 1;  
-            // Serialized values (TSerializedCellVec) 
-            optional bytes Data = 2; 
-        } 
- 
-        /* key columns */ 
-        optional TSerializedCells Key = 1; 
- 
-        /* value columns (doesn't include key columns) */ 
-        // old image 
-        optional TSerializedCells OldImage = 2; 
-        // new image 
-        optional TSerializedCells NewImage = 3; 
-        // Row operation 
-        // Cells (if any) can be empty if: 
-        // - there is no change in data-columns of AsyncIndex; 
-        // - there is no need to save update to Cdc Stream (e.g. in "keys only" mode). 
-        oneof RowOperation { 
-            // apply specified values 
-            TSerializedCells Upsert = 4; 
-            // remove entire row 
-            google.protobuf.Empty Erase = 5; 
-            // reset all columns & apply specified values 
-            TSerializedCells Reset = 6; 
-        } 
-    } 
- 
-    optional uint64 Order = 1; 
-    optional uint64 Group = 2; 
-    optional uint64 Step = 3; 
-    optional uint64 TxId = 4; 
-    optional uint64 PathOwnerId = 5; 
-    optional uint64 LocalPathId = 6; 
-    oneof Kind { 
-        TDataChange AsyncIndex = 7; 
-        TDataChange CdcDataChange = 8; 
-        // TSchemaChange SchemaChange = 9; 
-    } 
-} 
- 
-message TEvHandshake { 
-    // tablet id 
-    optional uint64 Origin = 1; 
-    // tablet generation 
-    optional uint64 Generation = 2; 
-} 
- 
-message TEvApplyRecords { 
-    // tablet id 
-    optional uint64 Origin = 1; 
-    // tablet generation 
-    optional uint64 Generation = 2; 
-    // records 
-    repeated TChangeRecord Records = 3; 
-} 
- 
-message TEvStatus { 
-    enum EStatus { 
-        STATUS_UNKNOWN = 0; 
-        STATUS_OK = 1; 
-        STATUS_REJECT = 2; 
-    } 
- 
-    enum EReason { 
-        REASON_NONE = 0; 
-        REASON_UNKNOWN_ORIGIN = 1; 
-        REASON_STALE_ORIGIN = 2; 
-        REASON_ORDER_VIOLATION = 3; 
-        REASON_UNEXPECTED_KIND = 4; 
-        REASON_UNEXPECTED_ROW_OPERATION = 5; 
-        REASON_SCHEME_ERROR = 6; 
-        REASON_WRONG_STATE = 7; 
-    } 
- 
-    message TRecordStatus { 
-        optional uint64 Order = 1; 
-        optional EStatus Status = 2; 
-        optional EReason Reason = 3; 
-    } 
- 
-    optional EStatus Status = 1; 
-    optional EReason Reason = 2; 
-    repeated TRecordStatus RecordStatuses = 3; 
-    optional uint64 LastRecordOrder = 4; 
-} 
- 
-message TEvActivateSender { 
-    optional uint64 Origin = 1; 
-} 
- 
-message TEvActivateSenderAck { 
-    optional uint64 Origin = 1; 
-} 
+import "google/protobuf/empty.proto";
+
+package NKikimrChangeExchange;
+option java_package = "ru.yandex.kikimr.proto";
+
+message TChangeRecord {
+    message TDataChange {
+        message TSerializedCells {
+            // Column tags
+            repeated uint32 Tags = 1; 
+            // Serialized values (TSerializedCellVec)
+            optional bytes Data = 2;
+        }
+
+        /* key columns */
+        optional TSerializedCells Key = 1;
+
+        /* value columns (doesn't include key columns) */
+        // old image
+        optional TSerializedCells OldImage = 2;
+        // new image
+        optional TSerializedCells NewImage = 3;
+        // Row operation
+        // Cells (if any) can be empty if:
+        // - there is no change in data-columns of AsyncIndex;
+        // - there is no need to save update to Cdc Stream (e.g. in "keys only" mode).
+        oneof RowOperation {
+            // apply specified values
+            TSerializedCells Upsert = 4;
+            // remove entire row
+            google.protobuf.Empty Erase = 5;
+            // reset all columns & apply specified values
+            TSerializedCells Reset = 6;
+        }
+    }
+
+    optional uint64 Order = 1;
+    optional uint64 Group = 2;
+    optional uint64 Step = 3;
+    optional uint64 TxId = 4;
+    optional uint64 PathOwnerId = 5;
+    optional uint64 LocalPathId = 6;
+    oneof Kind {
+        TDataChange AsyncIndex = 7;
+        TDataChange CdcDataChange = 8;
+        // TSchemaChange SchemaChange = 9;
+    }
+}
+
+message TEvHandshake {
+    // tablet id
+    optional uint64 Origin = 1;
+    // tablet generation
+    optional uint64 Generation = 2;
+}
+
+message TEvApplyRecords {
+    // tablet id
+    optional uint64 Origin = 1;
+    // tablet generation
+    optional uint64 Generation = 2;
+    // records
+    repeated TChangeRecord Records = 3;
+}
+
+message TEvStatus {
+    enum EStatus {
+        STATUS_UNKNOWN = 0;
+        STATUS_OK = 1;
+        STATUS_REJECT = 2;
+    }
+
+    enum EReason {
+        REASON_NONE = 0;
+        REASON_UNKNOWN_ORIGIN = 1;
+        REASON_STALE_ORIGIN = 2;
+        REASON_ORDER_VIOLATION = 3;
+        REASON_UNEXPECTED_KIND = 4;
+        REASON_UNEXPECTED_ROW_OPERATION = 5;
+        REASON_SCHEME_ERROR = 6;
+        REASON_WRONG_STATE = 7;
+    }
+
+    message TRecordStatus {
+        optional uint64 Order = 1;
+        optional EStatus Status = 2;
+        optional EReason Reason = 3;
+    }
+
+    optional EStatus Status = 1;
+    optional EReason Reason = 2;
+    repeated TRecordStatus RecordStatuses = 3;
+    optional uint64 LastRecordOrder = 4;
+}
+
+message TEvActivateSender {
+    optional uint64 Origin = 1;
+}
+
+message TEvActivateSenderAck {
+    optional uint64 Origin = 1;
+}
diff --git a/ydb/core/protos/cms.proto b/ydb/core/protos/cms.proto
index b506fadb65..fa3e245219 100644
--- a/ydb/core/protos/cms.proto
+++ b/ydb/core/protos/cms.proto
@@ -18,7 +18,7 @@ message TStatus {
         UNAUTHORIZED  = 9;
         NO_SUCH_HOST   = 10;
         NO_SUCH_DEVICE = 11;
-        NO_SUCH_SERVICE = 12; 
+        NO_SUCH_SERVICE = 12;
     }
 
     optional ECode   Code   = 1;
@@ -111,8 +111,8 @@ message TAction {
   repeated string    Services    = 3;
   repeated string    Devices     = 4;
   optional uint64    Duration    = 5;
-  // If specified will be expanded to list of hosts. 
-  optional string    Tenant      = 6; 
+  // If specified will be expanded to list of hosts.
+  optional string    Tenant      = 6;
 }
 
 enum ETenantPolicy {
@@ -398,33 +398,33 @@ message TCmsConfig {
         optional uint64 FaultyPrepTimeout  = 6 [default = 3600000000];
     }
 
-    message TSentinelConfig { 
-        message TStateLimit { 
-            optional uint32 State = 1; // EPDiskState 
-            optional uint32 Limit = 2; 
-        } 
- 
-        optional bool Enable = 1; 
-        // Updater's config 
-        optional uint64 UpdateConfigInterval = 2 [default = 3600000000]; 
-        optional uint64 RetryUpdateConfig = 3 [default = 60000000]; 
-        optional uint64 UpdateStateInterval = 4 [default = 60000000]; 
-        optional uint64 UpdateStateTimeout = 5 [default = 45000000]; 
-        // Status changer's config 
-        optional uint64 RetryChangeStatus = 6 [default = 10000000]; 
-        optional uint32 ChangeStatusRetries = 7 [default = 5]; 
-        // Status computer's config 
-        optional uint32 DefaultStateLimit = 8 [default = 5]; 
-        optional uint32 BrokenLimit = 9 [default = 60]; // unused 
-        // Guardian's config 
-        optional uint32 DataCenterRatio = 10 [default = 50]; 
-        optional uint32 RoomRatio = 11 [default = 70]; 
-        optional uint32 RackRatio = 12 [default = 90]; 
- 
-        optional bool DryRun = 13; 
-        repeated TStateLimit StateLimits = 14; 
-    } 
- 
+    message TSentinelConfig {
+        message TStateLimit {
+            optional uint32 State = 1; // EPDiskState
+            optional uint32 Limit = 2;
+        }
+
+        optional bool Enable = 1;
+        // Updater's config
+        optional uint64 UpdateConfigInterval = 2 [default = 3600000000];
+        optional uint64 RetryUpdateConfig = 3 [default = 60000000];
+        optional uint64 UpdateStateInterval = 4 [default = 60000000];
+        optional uint64 UpdateStateTimeout = 5 [default = 45000000];
+        // Status changer's config
+        optional uint64 RetryChangeStatus = 6 [default = 10000000];
+        optional uint32 ChangeStatusRetries = 7 [default = 5];
+        // Status computer's config
+        optional uint32 DefaultStateLimit = 8 [default = 5];
+        optional uint32 BrokenLimit = 9 [default = 60]; // unused
+        // Guardian's config
+        optional uint32 DataCenterRatio = 10 [default = 50];
+        optional uint32 RoomRatio = 11 [default = 70];
+        optional uint32 RackRatio = 12 [default = 90];
+
+        optional bool DryRun = 13;
+        repeated TStateLimit StateLimits = 14;
+    }
+
     message TLogConfig {
         enum ELevel {
             ENABLED = 0;
@@ -441,14 +441,14 @@ message TCmsConfig {
         optional uint64 TTL = 3 [default = 1209600000000]; // 14 days
     }
 
-    optional uint64 DefaultRetryTime = 1 [default = 300000000]; 
-    optional uint64 DefaultPermissionDuration = 2 [default = 300000000]; 
-    optional TMonitorConfig MonitorConfig = 3; 
-    optional TLimits TenantLimits = 4; 
-    optional TLimits ClusterLimits = 5; 
-    optional uint64 InfoCollectionTimeout = 6 [default = 15000000]; 
-    optional TLogConfig LogConfig = 7; 
-    optional TSentinelConfig SentinelConfig = 8; 
+    optional uint64 DefaultRetryTime = 1 [default = 300000000];
+    optional uint64 DefaultPermissionDuration = 2 [default = 300000000];
+    optional TMonitorConfig MonitorConfig = 3;
+    optional TLimits TenantLimits = 4;
+    optional TLimits ClusterLimits = 5;
+    optional uint64 InfoCollectionTimeout = 6 [default = 15000000];
+    optional TLogConfig LogConfig = 7;
+    optional TSentinelConfig SentinelConfig = 8;
 }
 
 message TPDiskID {
@@ -532,8 +532,8 @@ message TLogRecordData {
         repeated EMarker NodeMarkers = 5;
         optional TAvailabilityStats DiskAvailabilityStats = 6;
         optional TAvailabilityStats NodeAvailabilityStats = 7;
-        optional string Host = 8; 
-        optional string Reason = 9; 
+        optional string Host = 8;
+        optional string Reason = 9;
     }
 
     message TMarkersModification {
diff --git a/ydb/core/protos/config.proto b/ydb/core/protos/config.proto
index 1b359fc2af..d64169d4fc 100644
--- a/ydb/core/protos/config.proto
+++ b/ydb/core/protos/config.proto
@@ -150,7 +150,7 @@ message TStaticNameserviceConfig {
 
 message TDynamicNameserviceConfig {
     optional uint32 MaxStaticNodeId = 1 [default = 1000];
-    optional uint32 MaxDynamicNodeId = 2 [default = 200000]; 
+    optional uint32 MaxDynamicNodeId = 2 [default = 200000];
     optional uint64 LeaseDuration = 3 [default = 3600000000]; // DEPRECATED
 }
 
@@ -621,16 +621,16 @@ message TFeatureFlags {
     optional bool TrimEntireDeviceOnStartup = 6 [default = false];
     optional bool EnableChunkGraceForPDisk = 7 [default = true];
     optional bool AllowConsistentOperationsForSchemeShard = 8 [default = true];
-    optional bool EnableSchemeBoard = 9 [default = true]; // deprecated: always true 
+    optional bool EnableSchemeBoard = 9 [default = true]; // deprecated: always true
     optional bool AllowYdbRequestsWithoutDatabase = 10 [default = true];
     optional bool EnableExternalSubdomains = 11 [default = true];
-    optional bool AllowRecursiveMkDir = 12 [default = true]; // deprecated: always true 
+    optional bool AllowRecursiveMkDir = 12 [default = true]; // deprecated: always true
     optional bool AllowHugeKeyValueDeletes = 13 [default = true]; // delete when all clients limit deletes per request
     optional bool SendSchemaVersionToDatashard = 14 [default = true]; // deprecated: always true
-    optional bool EnableSchemeBoardCache = 15 [default = true]; // deprecated: always true 
+    optional bool EnableSchemeBoardCache = 15 [default = true]; // deprecated: always true
     optional bool EnableSystemViews = 16 [default = true];
     optional bool EnableExternalHive = 17 [default = true];
-    optional bool UseSchemeBoardCacheForSchemeRequests = 18 [default = true]; // deprecated: always true 
+    optional bool UseSchemeBoardCacheForSchemeRequests = 18 [default = true]; // deprecated: always true
     optional bool CompileMinikqlWithVersion = 19 [default = true]; // deprecated: always true
     optional bool ReadTableWithSnapshot = 20 [default = true];
     optional bool ImportantTabletsUseSystemPool = 21 [default = true];
@@ -642,9 +642,9 @@ message TFeatureFlags {
     optional bool EnablePutBatchingForBlobStorage = 27 [default = true];
     optional bool EnableKqpWideFlow = 28 [default = true]; // deprecated: always true
     optional bool EnableKqpScanQueries = 29 [default = true]; // deprecated: always true
-    optional bool EnablePersistentPartitionStats = 30 [default = false]; 
-    optional bool EnableTtlOnIndexedTables = 31 [default = true]; // deprecated: always true 
-    optional bool AllowUpdateChannelsBindingOfSolomonPartitions = 32 [default = false]; 
+    optional bool EnablePersistentPartitionStats = 30 [default = false];
+    optional bool EnableTtlOnIndexedTables = 31 [default = true]; // deprecated: always true
+    optional bool AllowUpdateChannelsBindingOfSolomonPartitions = 32 [default = false];
     optional bool DisableLegacyYql = 33 [default = true]; // deprecated: always true
     optional bool EnableDataColumnForIndexTable = 34 [default = true];
     optional bool AllowServerlessStorageBillingForSchemeShard = 35 [default = false];
@@ -653,7 +653,7 @@ message TFeatureFlags {
     optional bool EnableConfigurationCache = 38 [default = false];
     optional bool EnableDbCounters = 39 [default = false];
     optional bool EnableClockGettimeForUserCpuAccounting = 40 [default = false];
-    optional bool EnableAsyncIndexes = 41 [default = true]; 
+    optional bool EnableAsyncIndexes = 41 [default = true];
     optional bool AllowStreamExecuteYqlScript = 42 [default = true];
     optional bool EnableKqpScanOverPersistentSnapshot = 43 [default = true]; // deprecated: always true
     optional bool EnableOlapSchemaOperations = 44 [default = false];
@@ -667,8 +667,8 @@ message TFeatureFlags {
     optional bool EnableArrowFormatInChannels = 52 [default = false];
     optional bool EnableBackgroundCompactionServerless = 53 [default = false];
     optional bool EnableNotNullColumns = 54 [default = false];
-    optional bool EnableTtlOnAsyncIndexedTables = 55 [default = false]; 
-    optional bool EnableBulkUpsertToAsyncIndexedTables = 56 [default = false]; 
+    optional bool EnableTtlOnAsyncIndexedTables = 55 [default = false];
+    optional bool EnableBulkUpsertToAsyncIndexedTables = 56 [default = false];
     optional bool EnableNodeBrokerSingleDomainMode = 57 [default = false];
     optional bool EnableKqpSessionActor = 58 [default = false];
     // Dangerous settings we don't want in the public api unless required
@@ -1189,7 +1189,7 @@ message TImmediateControlsConfig {
 
 message TMeteringConfig {
     optional string MeteringFilePath = 1;
-    repeated string SystemBackupSIDs = 2; 
+    repeated string SystemBackupSIDs = 2;
 };
 
 message THiveTabletLimit {
@@ -1290,10 +1290,10 @@ message TDataShardConfig {
     optional uint64 BackupReadAheadLo = 3 [default = 524288];
     optional uint64 BackupReadAheadHi = 4 [default = 1048576];
     optional uint64 KeepSnapshotTimeout = 5 [default = 300000]; // milliseconds
-    optional uint64 ChangesQueueItemsLimit = 6 [default = 10000]; 
-    optional uint64 ChangesQueueBytesLimit = 7 [default = 131072000]; // 125 MB 
-    optional string RestoreTaskName = 8 [default = "restore"]; 
-    optional uint32 RestoreTaskPriority = 9 [default = 10]; 
+    optional uint64 ChangesQueueItemsLimit = 6 [default = 10000];
+    optional uint64 ChangesQueueBytesLimit = 7 [default = 131072000]; // 125 MB
+    optional string RestoreTaskName = 8 [default = "restore"];
+    optional uint32 RestoreTaskPriority = 9 [default = 10];
     optional uint64 CleanupSnapshotPeriod = 10 [default = 15000]; // milliseconds
 }
 
diff --git a/ydb/core/protos/counters_datashard.proto b/ydb/core/protos/counters_datashard.proto
index 26b5c31748..956a136937 100644
--- a/ydb/core/protos/counters_datashard.proto
+++ b/ydb/core/protos/counters_datashard.proto
@@ -93,10 +93,10 @@ enum ECumulativeCounters {
     COUNTER_BULK_UPSERT_SUCCESS = 67                      [(CounterOpts) = {Name: "BulkUpsertSuccess"}];
     COUNTER_BULK_UPSERT_ERROR = 68                        [(CounterOpts) = {Name: "BulkUpsertError"}];
     COUNTER_BULK_UPSERT_OVERLOADED = 69                   [(CounterOpts) = {Name: "BulkUpsertOverloaded"}];
-    COUNTER_ERASE_ROWS_SUCCESS = 70                       [(CounterOpts) = {Name: "EraseRowsSuccess"}]; 
-    COUNTER_ERASE_ROWS_ERROR = 71                         [(CounterOpts) = {Name: "EraseRowsError"}]; 
-    COUNTER_ERASE_ROWS_OVERLOADED = 72                    [(CounterOpts) = {Name: "EraseRowsOverloaded"}]; 
-    COUNTER_ERASE_ROWS = 73                               [(CounterOpts) = {Name: "EraseRows"}]; 
+    COUNTER_ERASE_ROWS_SUCCESS = 70                       [(CounterOpts) = {Name: "EraseRowsSuccess"}];
+    COUNTER_ERASE_ROWS_ERROR = 71                         [(CounterOpts) = {Name: "EraseRowsError"}];
+    COUNTER_ERASE_ROWS_OVERLOADED = 72                    [(CounterOpts) = {Name: "EraseRowsOverloaded"}];
+    COUNTER_ERASE_ROWS = 73                               [(CounterOpts) = {Name: "EraseRows"}];
     COUNTER_BUILD_DEPENDENCIES_USEC = 74                  [(CounterOpts) = {Name: "BuildDependenciesMicrosec"}];
     COUNTER_APPLY_LOCKS_USEC = 75                         [(CounterOpts) = {Name: "ApplyLocksMicrosec"}];
     COUNTER_TX_NOT_ENOUGH_MEMORY_1 = 76                   [(CounterOpts) = {Name: "TxNotEnoughMemory1"}];
@@ -392,28 +392,28 @@ enum ETxTypes {
     TXTYPE_DISCARD_VOLATILE_SNAPSHOT = 43                 [(TxTypeOpts) = {Name: "TxDiscardVolatileSnapshot"}];
     TXTYPE_CLEANUP_REMOVED_SNAPSHOTS = 44                 [(TxTypeOpts) = {Name: "TxCleanupRemovedSnapshots"}];
     TXTYPE_MIGRATE_SCHEMESHARD = 45                       [(TxTypeOpts) = {Name: "TxMigrateSchemeShard"}];
-    TXTYPE_GET_S3_UPLOAD_ID = 46                          [(TxTypeOpts) = {Name: "TxGetS3UploadId"}]; 
-    TXTYPE_STORE_S3_UPLOAD_ID = 47                        [(TxTypeOpts) = {Name: "TxStoreS3UploadId"}]; 
-    TXTYPE_ERASE_ROWS = 48                                [(TxTypeOpts) = {Name: "TxEraseRows"}]; 
+    TXTYPE_GET_S3_UPLOAD_ID = 46                          [(TxTypeOpts) = {Name: "TxGetS3UploadId"}];
+    TXTYPE_STORE_S3_UPLOAD_ID = 47                        [(TxTypeOpts) = {Name: "TxStoreS3UploadId"}];
+    TXTYPE_ERASE_ROWS = 48                                [(TxTypeOpts) = {Name: "TxEraseRows"}];
     TXTYPE_RELEASE_SNAPSHOT_REFERENCE = 49                [(TxTypeOpts) = {Name: "TxReleaseSnaphotReference"}];
     TXTYPE_STOP_GUARD = 50                                [(TxTypeOpts) = {Name: "TxStopGuard"}];
-    TXTYPE_GET_S3_DOWNLOAD_INFO = 51                      [(TxTypeOpts) = {Name: "TxGetS3DownloadInfo"}]; 
-    TXTYPE_STORE_S3_DOWNLOAD_INFO = 52                    [(TxTypeOpts) = {Name: "TxStoreS3DownloadInfo"}]; 
-    TXTYPE_UNSAFE_UPLOAD_ROWS = 53                        [(TxTypeOpts) = {Name: "TxUnsafeUploadRows"}]; 
+    TXTYPE_GET_S3_DOWNLOAD_INFO = 51                      [(TxTypeOpts) = {Name: "TxGetS3DownloadInfo"}];
+    TXTYPE_STORE_S3_DOWNLOAD_INFO = 52                    [(TxTypeOpts) = {Name: "TxStoreS3DownloadInfo"}];
+    TXTYPE_UNSAFE_UPLOAD_ROWS = 53                        [(TxTypeOpts) = {Name: "TxUnsafeUploadRows"}];
     TXTYPE_PERSIST_SUBDOMAIN_PATH_ID = 54                 [(TxTypeOpts) = {Name: "TxPersistSubDomainPathId"}];
     TXTYPE_PERSIST_SUBDOMAIN_OUT_OF_SPACE = 55            [(TxTypeOpts) = {Name: "TxPersistSubDomainOutOfSpace"}];
-    TXTYPE_REQUEST_CHANGE_RECORDS = 56                    [(TxTypeOpts) = {Name: "TxRequestChangeRecords"}]; 
-    TXTYPE_REMOVE_CHANGE_RECORDS = 57                     [(TxTypeOpts) = {Name: "TxRemoveChangeRecords"}]; 
-    TXTYPE_CHANGE_EXCHANGE_HANDSHAKE = 58                 [(TxTypeOpts) = {Name: "TxChangeExchangeHandshake"}]; 
-    TXTYPE_APPLY_CHANGE_RECORDS = 59                      [(TxTypeOpts) = {Name: "TxApplyChangeRecords"}]; 
+    TXTYPE_REQUEST_CHANGE_RECORDS = 56                    [(TxTypeOpts) = {Name: "TxRequestChangeRecords"}];
+    TXTYPE_REMOVE_CHANGE_RECORDS = 57                     [(TxTypeOpts) = {Name: "TxRemoveChangeRecords"}];
+    TXTYPE_CHANGE_EXCHANGE_HANDSHAKE = 58                 [(TxTypeOpts) = {Name: "TxChangeExchangeHandshake"}];
+    TXTYPE_APPLY_CHANGE_RECORDS = 59                      [(TxTypeOpts) = {Name: "TxApplyChangeRecords"}];
     TXTYPE_EXECUTE_MVCC_STATE_CHANGE = 60                 [(TxTypeOpts) = {Name: "TxExecuteMvccStateChange"}];
-    TXTYPE_CHANGE_S3_UPLOAD_STATUS = 61                   [(TxTypeOpts) = {Name: "TxChangeS3UploadStatus"}]; 
-    TXTYPE_ACTIVATE_CHANGE_SENDER = 62                    [(TxTypeOpts) = {Name: "TxActivateChangeSender"}]; 
-    TXTYPE_ACTIVATE_CHANGE_SENDER_ACK = 63                [(TxTypeOpts) = {Name: "TxActivateChangeSenderAck"}]; 
+    TXTYPE_CHANGE_S3_UPLOAD_STATUS = 61                   [(TxTypeOpts) = {Name: "TxChangeS3UploadStatus"}];
+    TXTYPE_ACTIVATE_CHANGE_SENDER = 62                    [(TxTypeOpts) = {Name: "TxActivateChangeSender"}];
+    TXTYPE_ACTIVATE_CHANGE_SENDER_ACK = 63                [(TxTypeOpts) = {Name: "TxActivateChangeSenderAck"}];
     TXTYPE_CLEANUP = 64                                   [(TxTypeOpts) = {Name: "TxCleanup"}];
     TXTYPE_COMPACT_BORROWED = 65                          [(TxTypeOpts) = {Name: "TxCompactBorrowed"}];
     TXTYPE_COMPACT_TABLE = 66                             [(TxTypeOpts) = {Name: "TxCompactTable"}];
-    TXTYPE_CHANGE_EXCHANGE_SPLIT_ACK = 67                 [(TxTypeOpts) = {Name: "TxChangeExchangeSplitAck"}]; 
+    TXTYPE_CHANGE_EXCHANGE_SPLIT_ACK = 67                 [(TxTypeOpts) = {Name: "TxChangeExchangeSplitAck"}];
     TXTYPE_APPLY_REPLICATION_CHANGES = 68                 [(TxTypeOpts) = {Name: "TxApplyReplicationChanges"}];
     TXTYPE_READ = 69                                      [(TxTypeOpts) = {Name: "TxRead"}];
     TXTYPE_SPLIT_REPLICATION_SOURCE_OFFSETS = 70          [(TxTypeOpts) = {Name: "TxSplitReplicationSourceOffsets"}];
diff --git a/ydb/core/protos/counters_pq.proto b/ydb/core/protos/counters_pq.proto
index ac6f2c4102..7233758135 100644
--- a/ydb/core/protos/counters_pq.proto
+++ b/ydb/core/protos/counters_pq.proto
@@ -134,9 +134,9 @@ enum EPercentileCounters {
 
     COUNTER_LATENCY_PQ_RECEIVE_QUEUE = 15                       [(CounterOpts) = {Name: "LatencyReciveQueue"}];
     COUNTER_LATENCY_PQ_RESERVE_BYTES = 16                       [(CounterOpts) = {Name: "LatencyReserveBytes"}];
-    COUNTER_LATENCY_PQ_REGISTER_MESSAGE_GROUP = 17              [(CounterOpts) = {Name: "LatencyRegisterMessageGroup"}]; 
-    COUNTER_LATENCY_PQ_DEREGISTER_MESSAGE_GROUP = 18            [(CounterOpts) = {Name: "LatencyDeregisterMessageGroup"}]; 
-    COUNTER_LATENCY_PQ_SPLIT_MESSAGE_GROUP = 19                 [(CounterOpts) = {Name: "LatencySplitMessageGroup"}]; 
+    COUNTER_LATENCY_PQ_REGISTER_MESSAGE_GROUP = 17              [(CounterOpts) = {Name: "LatencyRegisterMessageGroup"}];
+    COUNTER_LATENCY_PQ_DEREGISTER_MESSAGE_GROUP = 18            [(CounterOpts) = {Name: "LatencyDeregisterMessageGroup"}];
+    COUNTER_LATENCY_PQ_SPLIT_MESSAGE_GROUP = 19                 [(CounterOpts) = {Name: "LatencySplitMessageGroup"}];
 }
 
 
diff --git a/ydb/core/protos/counters_replication.proto b/ydb/core/protos/counters_replication.proto
index 37892b0fcb..b3c86ad17e 100644
--- a/ydb/core/protos/counters_replication.proto
+++ b/ydb/core/protos/counters_replication.proto
@@ -1,34 +1,34 @@
 import "ydb/core/protos/counters.proto";
- 
-package NKikimr.NReplication; 
-option java_package = "ru.yandex.kikimr.proto"; 
- 
-option (TabletTypeName) = "ReplicationController"; // Used as prefix for all counters 
- 
-enum ESimpleCounters { 
-    COUNTER_SIMPLE_IGNORE = 0; 
-} 
- 
-enum ECumulativeCounters { 
-    COUNTER_CUMULATIVE_IGNORE = 0; 
-} 
- 
-enum EPercentileCounters { 
-    option (GlobalCounterOpts) = { 
-        Ranges { Value: 0 Name: "0 ms" } 
-        Ranges { Value: 1 Name: "1 ms" } 
-    }; 
- 
-    COUNTER_PERCENTILE_IGNORE = 0; 
-} 
- 
-enum ETxTypes { 
-    TXTYPE_INIT_SCHEMA = 0          [(TxTypeOpts) = {Name: "TxInitSchema"}]; 
-    TXTYPE_INIT = 1                 [(TxTypeOpts) = {Name: "TxInit"}]; 
-    TXTYPE_CREATE_REPLICATION = 2   [(TxTypeOpts) = {Name: "TxCreateReplication"}]; 
-    TXTYPE_DROP_REPLICATION = 3     [(TxTypeOpts) = {Name: "TxDropReplication"}]; 
-    TXTYPE_DISCOVERY_RESULT = 4     [(TxTypeOpts) = {Name: "TxDiscoveryResult"}]; 
-    TXTYPE_ASSIGN_STREAM_NAME = 5   [(TxTypeOpts) = {Name: "TxAssignStreamName"}]; 
-    TXTYPE_CREATE_STREAM_RESULT = 6 [(TxTypeOpts) = {Name: "TxCreateStreamResult"}]; 
-    TXTYPE_CREATE_DST_RESULT = 7    [(TxTypeOpts) = {Name: "TxCreateDstResult"}]; 
-} 
+
+package NKikimr.NReplication;
+option java_package = "ru.yandex.kikimr.proto";
+
+option (TabletTypeName) = "ReplicationController"; // Used as prefix for all counters
+
+enum ESimpleCounters {
+    COUNTER_SIMPLE_IGNORE = 0;
+}
+
+enum ECumulativeCounters {
+    COUNTER_CUMULATIVE_IGNORE = 0;
+}
+
+enum EPercentileCounters {
+    option (GlobalCounterOpts) = {
+        Ranges { Value: 0 Name: "0 ms" }
+        Ranges { Value: 1 Name: "1 ms" }
+    };
+
+    COUNTER_PERCENTILE_IGNORE = 0;
+}
+
+enum ETxTypes {
+    TXTYPE_INIT_SCHEMA = 0          [(TxTypeOpts) = {Name: "TxInitSchema"}];
+    TXTYPE_INIT = 1                 [(TxTypeOpts) = {Name: "TxInit"}];
+    TXTYPE_CREATE_REPLICATION = 2   [(TxTypeOpts) = {Name: "TxCreateReplication"}];
+    TXTYPE_DROP_REPLICATION = 3     [(TxTypeOpts) = {Name: "TxDropReplication"}];
+    TXTYPE_DISCOVERY_RESULT = 4     [(TxTypeOpts) = {Name: "TxDiscoveryResult"}];
+    TXTYPE_ASSIGN_STREAM_NAME = 5   [(TxTypeOpts) = {Name: "TxAssignStreamName"}];
+    TXTYPE_CREATE_STREAM_RESULT = 6 [(TxTypeOpts) = {Name: "TxCreateStreamResult"}];
+    TXTYPE_CREATE_DST_RESULT = 7    [(TxTypeOpts) = {Name: "TxCreateDstResult"}];
+}
diff --git a/ydb/core/protos/counters_schemeshard.proto b/ydb/core/protos/counters_schemeshard.proto
index fde2a12b30..a839915c98 100644
--- a/ydb/core/protos/counters_schemeshard.proto
+++ b/ydb/core/protos/counters_schemeshard.proto
@@ -92,10 +92,10 @@ enum ESimpleCounters {
     COUNTER_IN_FLIGHT_OPS_TxCreateFileStore = 77          [(CounterOpts) = {Name: "InFlightOps/CreateFileStore"}];
     COUNTER_IN_FLIGHT_OPS_TxAlterFileStore = 78           [(CounterOpts) = {Name: "InFlightOps/AlterFileStore"}];
     COUNTER_IN_FLIGHT_OPS_TxDropFileStore = 79            [(CounterOpts) = {Name: "InFlightOps/DropFileStore"}];
- 
-    COUNTER_TTL_ENABLED_TABLE_COUNT = 80                  [(CounterOpts) = {Name: "TTLEnabledTables"}]; 
- 
-    COUNTER_IN_FLIGHT_OPS_TxRestore = 81                  [(CounterOpts) = {Name: "InFlightOps/Restore"}]; 
+
+    COUNTER_TTL_ENABLED_TABLE_COUNT = 80                  [(CounterOpts) = {Name: "TTLEnabledTables"}];
+
+    COUNTER_IN_FLIGHT_OPS_TxRestore = 81                  [(CounterOpts) = {Name: "InFlightOps/Restore"}];
 
     COUNTER_IN_FLIGHT_OPS_TxCreateOlapStore = 82          [(CounterOpts) = {Name: "InFlightOps/CreateOlapStore"}];
     COUNTER_IN_FLIGHT_OPS_TxAlterOlapStore = 83           [(CounterOpts) = {Name: "InFlightOps/AlterOlapStore"}];
@@ -113,7 +113,7 @@ enum ESimpleCounters {
     COUNTER_DISK_SPACE_TABLES_INDEX_BYTES = 93            [(CounterOpts) = {Name: "DiskSpaceTablesIndexBytes"}];
     COUNTER_DISK_SPACE_TABLES_TOTAL_BYTES = 94            [(CounterOpts) = {Name: "DiskSpaceTablesTotalBytes"}];
     COUNTER_DISK_SPACE_QUOTA_EXCEEDED = 95                [(CounterOpts) = {Name: "DiskSpaceQuotaExceeded"}];
- 
+
     COUNTER_DISK_SPACE_HARD_QUOTA_BYTES = 96              [(CounterOpts) = {Name: "DiskSpaceHardQuotaBytes"}];
     COUNTER_DISK_SPACE_SOFT_QUOTA_BYTES = 97              [(CounterOpts) = {Name: "DiskSpaceSoftQuotaBytes"}];
 
@@ -142,12 +142,12 @@ enum ESimpleCounters {
     COUNTER_STREAM_RESERVED_THROUGHPUT = 115              [(CounterOpts) = {Name: "StreamReservedThroughput"}];
     COUNTER_STREAM_RESERVED_STORAGE = 116                 [(CounterOpts) = {Name: "StreamReservedStorage"}];
     COUNTER_STREAM_RESERVED_STORAGE_QUOTA = 117            [(CounterOpts) = {Name: "StreamReservedStorageQuota"}];
- 
-    COUNTER_REPLICATION_COUNT = 118                       [(CounterOpts) = {Name: "Replications"}]; 
-    COUNTER_REPLICATION_CONTROLLER_COUNT = 119            [(CounterOpts) = {Name: "ReplicationControllers"}]; 
-    COUNTER_IN_FLIGHT_OPS_TxCreateReplication = 120       [(CounterOpts) = {Name: "InFlightOps/CreateReplication"}]; 
-    COUNTER_IN_FLIGHT_OPS_TxAlterReplication = 121        [(CounterOpts) = {Name: "InFlightOps/AlterReplication"}]; 
-    COUNTER_IN_FLIGHT_OPS_TxDropReplication = 122         [(CounterOpts) = {Name: "InFlightOps/DropReplication"}]; 
+
+    COUNTER_REPLICATION_COUNT = 118                       [(CounterOpts) = {Name: "Replications"}];
+    COUNTER_REPLICATION_CONTROLLER_COUNT = 119            [(CounterOpts) = {Name: "ReplicationControllers"}];
+    COUNTER_IN_FLIGHT_OPS_TxCreateReplication = 120       [(CounterOpts) = {Name: "InFlightOps/CreateReplication"}];
+    COUNTER_IN_FLIGHT_OPS_TxAlterReplication = 121        [(CounterOpts) = {Name: "InFlightOps/AlterReplication"}];
+    COUNTER_IN_FLIGHT_OPS_TxDropReplication = 122         [(CounterOpts) = {Name: "InFlightOps/DropReplication"}];
 }
 
 enum ECumulativeCounters {
@@ -203,8 +203,8 @@ enum ECumulativeCounters {
     COUNTER_FINISHED_OPS_TxCreateFileStore = 46           [(CounterOpts) = {Name: "FinishedOps/CreateFileStore"}];
     COUNTER_FINISHED_OPS_TxAlterFileStore = 47            [(CounterOpts) = {Name: "FinishedOps/AlterFileStore"}];
     COUNTER_FINISHED_OPS_TxDropFileStore = 48             [(CounterOpts) = {Name: "FinishedOps/DropFileStore"}];
- 
-    COUNTER_FINISHED_OPS_TxRestore = 49                   [(CounterOpts) = {Name: "FinishedOps/Restore"}]; 
+
+    COUNTER_FINISHED_OPS_TxRestore = 49                   [(CounterOpts) = {Name: "FinishedOps/Restore"}];
 
     COUNTER_FINISHED_OPS_TxCreateOlapStore = 50           [(CounterOpts) = {Name: "FinishedOps/CreateOlapStore"}];
     COUNTER_FINISHED_OPS_TxAlterOlapStore = 51            [(CounterOpts) = {Name: "FinishedOps/AlterOlapStore"}];
@@ -212,14 +212,14 @@ enum ECumulativeCounters {
     COUNTER_FINISHED_OPS_TxCreateOlapTable = 53           [(CounterOpts) = {Name: "FinishedOps/CreateOlapTable"}];
     COUNTER_FINISHED_OPS_TxAlterOlapTable = 54            [(CounterOpts) = {Name: "FinishedOps/AlterOlapTable"}];
     COUNTER_FINISHED_OPS_TxDropOlapTable = 55             [(CounterOpts) = {Name: "FinishedOps/DropOlapTable"}];
- 
 
-    COUNTER_FINISHED_OPS_TxCreateCdcStream = 56           [(CounterOpts) = {Name: "FinishedOps/CreateCdcStream"}]; 
-    COUNTER_FINISHED_OPS_TxCreateCdcStreamAtTable = 57    [(CounterOpts) = {Name: "FinishedOps/CreateCdcStreamAtTable"}]; 
-    COUNTER_FINISHED_OPS_TxAlterCdcStream = 58            [(CounterOpts) = {Name: "FinishedOps/AlterCdcStream"}]; 
-    COUNTER_FINISHED_OPS_TxAlterCdcStreamAtTable = 59     [(CounterOpts) = {Name: "FinishedOps/AlterCdcStreamAtTable"}]; 
-    COUNTER_FINISHED_OPS_TxDropCdcStream = 60             [(CounterOpts) = {Name: "FinishedOps/DropCdcStream"}]; 
-    COUNTER_FINISHED_OPS_TxDropCdcStreamAtTable = 61      [(CounterOpts) = {Name: "FinishedOps/DropCdcStreamAtTable"}]; 
+
+    COUNTER_FINISHED_OPS_TxCreateCdcStream = 56           [(CounterOpts) = {Name: "FinishedOps/CreateCdcStream"}];
+    COUNTER_FINISHED_OPS_TxCreateCdcStreamAtTable = 57    [(CounterOpts) = {Name: "FinishedOps/CreateCdcStreamAtTable"}];
+    COUNTER_FINISHED_OPS_TxAlterCdcStream = 58            [(CounterOpts) = {Name: "FinishedOps/AlterCdcStream"}];
+    COUNTER_FINISHED_OPS_TxAlterCdcStreamAtTable = 59     [(CounterOpts) = {Name: "FinishedOps/AlterCdcStreamAtTable"}];
+    COUNTER_FINISHED_OPS_TxDropCdcStream = 60             [(CounterOpts) = {Name: "FinishedOps/DropCdcStream"}];
+    COUNTER_FINISHED_OPS_TxDropCdcStreamAtTable = 61      [(CounterOpts) = {Name: "FinishedOps/DropCdcStreamAtTable"}];
 
     COUNTER_FINISHED_OPS_TxMoveTable = 62                 [(CounterOpts) = {Name: "FinishedOps/MoveTable"}];
     COUNTER_FINISHED_OPS_TxMoveTableIndex = 63            [(CounterOpts) = {Name: "FinishedOps/MoveTableIndex"}];
@@ -231,10 +231,10 @@ enum ECumulativeCounters {
     COUNTER_BACKGROUND_COMPACTION_FAILED = 67             [(CounterOpts) = {Name: "BackgroundCompactionFailed"}];
     COUNTER_BACKGROUND_COMPACTION_OK = 68                 [(CounterOpts) = {Name: "BackgroundCompactionOK"}];
     COUNTER_BACKGROUND_COMPACTION_TIMEOUT = 69            [(CounterOpts) = {Name: "BackgroundCompactionTimeout"}];
- 
-    COUNTER_FINISHED_OPS_TxCreateReplication = 70         [(CounterOpts) = {Name: "FinishedOps/CreateReplication"}]; 
-    COUNTER_FINISHED_OPS_TxAlterReplication = 71          [(CounterOpts) = {Name: "FinishedOps/AlterReplication"}]; 
-    COUNTER_FINISHED_OPS_TxDropReplication = 72           [(CounterOpts) = {Name: "FinishedOps/DropReplication"}]; 
+
+    COUNTER_FINISHED_OPS_TxCreateReplication = 70         [(CounterOpts) = {Name: "FinishedOps/CreateReplication"}];
+    COUNTER_FINISHED_OPS_TxAlterReplication = 71          [(CounterOpts) = {Name: "FinishedOps/AlterReplication"}];
+    COUNTER_FINISHED_OPS_TxDropReplication = 72           [(CounterOpts) = {Name: "FinishedOps/DropReplication"}];
 }
 
 enum EPercentileCounters {
@@ -260,20 +260,20 @@ enum EPercentileCounters {
     };
 
     COUNTER_BACKGROUND_COMPACTION_OK_LATENCY = 0          [(CounterOpts) = {Name: "BackgroundCompactionOkLatency"}];
- 
-    COUNTER_NUM_SHARDS_BY_TTL_LAG = 1 [(CounterOpts) = { 
-        Name: "NumShardsByTtlLag" 
-        Integral: true 
-        Ranges { Value: 0     Name: "0"     } 
-        Ranges { Value: 900   Name: "900"   } 
-        Ranges { Value: 1800  Name: "1800"  } 
-        Ranges { Value: 3600  Name: "3600"  } 
-        Ranges { Value: 7200  Name: "7200"  } 
-        Ranges { Value: 14400 Name: "14400" } 
-        Ranges { Value: 28800 Name: "28800" } 
-        Ranges { Value: 57600 Name: "57600" } 
-        Ranges { Value: 86400 Name: "inf"   } 
-    }]; 
+
+    COUNTER_NUM_SHARDS_BY_TTL_LAG = 1 [(CounterOpts) = {
+        Name: "NumShardsByTtlLag"
+        Integral: true
+        Ranges { Value: 0     Name: "0"     }
+        Ranges { Value: 900   Name: "900"   }
+        Ranges { Value: 1800  Name: "1800"  }
+        Ranges { Value: 3600  Name: "3600"  }
+        Ranges { Value: 7200  Name: "7200"  }
+        Ranges { Value: 14400 Name: "14400" }
+        Ranges { Value: 28800 Name: "28800" }
+        Ranges { Value: 57600 Name: "57600" }
+        Ranges { Value: 86400 Name: "inf"   }
+    }];
 }
 
 enum ETxTypes {
@@ -291,23 +291,23 @@ enum ETxTypes {
     TXTYPE_INIT_SPLIT_DST_ACK = 11                        [(TxTypeOpts) = {Name: "TxInitSplitDstAck"}];
     TXTYPE_SPLIT_ACK = 12                                 [(TxTypeOpts) = {Name: "TxSplitAck"}];
     TXTYPE_SPLIT_PARTITIONING_CHANGED_DST_ACK = 13        [(TxTypeOpts) = {Name: "TxSplitPartitioningChangedAck"}];
-    TXTYPE_CANCEL_BACKUP_IMPL = 14                        [(TxTypeOpts) = {Name: "TxCancelBackupImpl"}]; 
+    TXTYPE_CANCEL_BACKUP_IMPL = 14                        [(TxTypeOpts) = {Name: "TxCancelBackupImpl"}];
     TXTYPE_MONITORING = 15                                [(TxTypeOpts) = {Name: "TxMonitoring"}];
     TXTYPE_SUBDOMAIN_CONFIGURE_RESULT = 16                [(TxTypeOpts) = {Name: "TTxSubDomainConfigureStatus"}];
     TXTYPE_BLOCKSTORE_CONFIG_RESULT = 17                  [(TxTypeOpts) = {Name: "TTxBlockStoreConfigResult"}];
     TXTYPE_KESUS_CONFIG_RESULT = 18                       [(TxTypeOpts) = {Name: "TTxKesusConfigResult"}];
     TXTYPE_PROPOSE = 19                                   [(TxTypeOpts) = {Name: "TTxOperationPropose"}];
     TXTYPE_DATASHARD_SCHEMA_CHANGED = 20                  [(TxTypeOpts) = {Name: "TxDataShardSchemaChanged"}];
-    TXTYPE_DEFERRED_UPDATE_ON_SCHEME_BOARD = 21           [(TxTypeOpts) = {Name: "TxDeferredUpdateOnSchemeBoard"}]; 
+    TXTYPE_DEFERRED_UPDATE_ON_SCHEME_BOARD = 21           [(TxTypeOpts) = {Name: "TxDeferredUpdateOnSchemeBoard"}];
     TXTYPE_CLEAN_TABLES = 22                              [(TxTypeOpts) = {Name: "TxCleanTables"}];
- 
-    TXTYPE_CREATE_EXPORT = 23                             [(TxTypeOpts) = {Name: "TxCreateExport"}]; 
-    TXTYPE_GET_EXPORT = 24                                [(TxTypeOpts) = {Name: "TxGetExport"}]; 
-    TXTYPE_CANCEL_EXPORT = 25                             [(TxTypeOpts) = {Name: "TxCancelExport"}]; 
-    TXTYPE_CANCEL_EXPORT_ACK = 26                         [(TxTypeOpts) = {Name: "TxCancelExportAck"}]; 
-    TXTYPE_FORGET_EXPORT = 27                             [(TxTypeOpts) = {Name: "TxForgetExport"}]; 
-    TXTYPE_LIST_EXPORTS = 28                              [(TxTypeOpts) = {Name: "TxListExports"}]; 
-    TXTYPE_EXPORT_PROGRESS = 29                           [(TxTypeOpts) = {Name: "TxExportProgress"}]; 
+
+    TXTYPE_CREATE_EXPORT = 23                             [(TxTypeOpts) = {Name: "TxCreateExport"}];
+    TXTYPE_GET_EXPORT = 24                                [(TxTypeOpts) = {Name: "TxGetExport"}];
+    TXTYPE_CANCEL_EXPORT = 25                             [(TxTypeOpts) = {Name: "TxCancelExport"}];
+    TXTYPE_CANCEL_EXPORT_ACK = 26                         [(TxTypeOpts) = {Name: "TxCancelExportAck"}];
+    TXTYPE_FORGET_EXPORT = 27                             [(TxTypeOpts) = {Name: "TxForgetExport"}];
+    TXTYPE_LIST_EXPORTS = 28                              [(TxTypeOpts) = {Name: "TxListExports"}];
+    TXTYPE_EXPORT_PROGRESS = 29                           [(TxTypeOpts) = {Name: "TxExportProgress"}];
 
     TXTYPE_SYNC_TENANT = 30                               [(TxTypeOpts) = {Name: "TxSyncTenant"}];
     TXTYPE_UPDATE_TENANT = 31                             [(TxTypeOpts) = {Name: "TxUpdateTenant"}];
@@ -323,23 +323,23 @@ enum ETxTypes {
     TXTYPE_FORGET_INDEX_BUILD = 40                        [(TxTypeOpts) = {Name: "TxForgetIndexBuild"}];
     TXTYPE_LIST_INDEX_BUILD = 41                          [(TxTypeOpts) = {Name: "TxListIndexBuild"}];
     TXTYPE_PROGRESS_INDEX_BUILD = 42                      [(TxTypeOpts) = {Name: "TxProgressIndexBuild"}];
- 
-    TXTYPE_SCHEDULE_CONDITIONAL_ERASE = 43                [(TxTypeOpts) = {Name: "TxScheduleConditionalErase"}]; 
-    TXTYPE_RUN_CONDITIONAL_ERASE = 44                     [(TxTypeOpts) = {Name: "TxRunConditionalErase"}]; 
- 
-    TXTYPE_STORE_PARTITION_STATS = 45                     [(TxTypeOpts) = {Name: "TxStorePartitionStats"}]; 
+
+    TXTYPE_SCHEDULE_CONDITIONAL_ERASE = 43                [(TxTypeOpts) = {Name: "TxScheduleConditionalErase"}];
+    TXTYPE_RUN_CONDITIONAL_ERASE = 44                     [(TxTypeOpts) = {Name: "TxRunConditionalErase"}];
+
+    TXTYPE_STORE_PARTITION_STATS = 45                     [(TxTypeOpts) = {Name: "TxStorePartitionStats"}];
 
     TXTYPE_FILESTORE_CONFIG_RESULT = 46                   [(TxTypeOpts) = {Name: "TxFileStoreConfigResult"}];
 
     TXTYPE_MAKEBILL_INDEX_BUILD = 47                      [(TxTypeOpts) = {Name: "TxBillingIndexBuild"}];
- 
-    TXTYPE_CREATE_IMPORT = 48                             [(TxTypeOpts) = {Name: "TxCreateImport"}]; 
-    TXTYPE_GET_IMPORT = 49                                [(TxTypeOpts) = {Name: "TxGetImport"}]; 
-    TXTYPE_CANCEL_IMPORT = 50                             [(TxTypeOpts) = {Name: "TxCancelImport"}]; 
-    TXTYPE_CANCEL_IMPORT_ACK = 51                         [(TxTypeOpts) = {Name: "TxCancelImportAck"}]; 
-    TXTYPE_FORGET_IMPORT = 52                             [(TxTypeOpts) = {Name: "TxForgetImport"}]; 
-    TXTYPE_LIST_IMPORTS = 53                              [(TxTypeOpts) = {Name: "TxListImports"}]; 
-    TXTYPE_IMPORT_PROGRESS = 54                           [(TxTypeOpts) = {Name: "TxImportProgress"}]; 
+
+    TXTYPE_CREATE_IMPORT = 48                             [(TxTypeOpts) = {Name: "TxCreateImport"}];
+    TXTYPE_GET_IMPORT = 49                                [(TxTypeOpts) = {Name: "TxGetImport"}];
+    TXTYPE_CANCEL_IMPORT = 50                             [(TxTypeOpts) = {Name: "TxCancelImport"}];
+    TXTYPE_CANCEL_IMPORT_ACK = 51                         [(TxTypeOpts) = {Name: "TxCancelImportAck"}];
+    TXTYPE_FORGET_IMPORT = 52                             [(TxTypeOpts) = {Name: "TxForgetImport"}];
+    TXTYPE_LIST_IMPORTS = 53                              [(TxTypeOpts) = {Name: "TxListImports"}];
+    TXTYPE_IMPORT_PROGRESS = 54                           [(TxTypeOpts) = {Name: "TxImportProgress"}];
     TXTYPE_SERVERLESS_STORAGE_BILLING = 55                [(TxTypeOpts) = {Name: "TxServerlessStorageBilling"}];
     TXTYPE_OLAPSHARD_PROPOSE_RESULT = 56                  [(TxTypeOpts) = {Name: "TxOlapShardProposeResult"}];
     TXTYPE_COLUMNSHARD_PROPOSE_RESULT = 57                [(TxTypeOpts) = {Name: "TxColumnShardProposeResult"}];
@@ -365,8 +365,8 @@ enum ETxTypes {
     TXTYPE_NOTIFY_OPERATION_COMPLETE_BARRIER = 72         [(TxTypeOpts) = {Name: "TxNotifyOperationCompleteBarrier"}];
 
     TXTYPE_PARTITION_HISTOGRAM = 73                       [(TxTypeOpts) = {Name: "TxPartitionHistogram"}];
- 
-    TXTYPE_CREATE_REPLICATION_RESULT = 74                 [(TxTypeOpts) = {Name: "TxCreateReplicationResult"}]; 
-    TXTYPE_ALTER_REPLICATION_RESULT = 75                  [(TxTypeOpts) = {Name: "TxAlterReplicationResult"}]; 
-    TXTYPE_DROP_REPLICATION_RESULT = 76                   [(TxTypeOpts) = {Name: "TxDropReplicationResult"}]; 
+
+    TXTYPE_CREATE_REPLICATION_RESULT = 74                 [(TxTypeOpts) = {Name: "TxCreateReplicationResult"}];
+    TXTYPE_ALTER_REPLICATION_RESULT = 75                  [(TxTypeOpts) = {Name: "TxAlterReplicationResult"}];
+    TXTYPE_DROP_REPLICATION_RESULT = 76                   [(TxTypeOpts) = {Name: "TxDropReplicationResult"}];
 }
diff --git a/ydb/core/protos/export.proto b/ydb/core/protos/export.proto
index 250f0e54f5..929da802c8 100644
--- a/ydb/core/protos/export.proto
+++ b/ydb/core/protos/export.proto
@@ -2,121 +2,121 @@ import "ydb/public/api/protos/ydb_export.proto";
 import "ydb/public/api/protos/ydb_issue_message.proto";
 import "ydb/public/api/protos/ydb_operation.proto";
 import "ydb/public/api/protos/ydb_status_codes.proto";
- 
-package NKikimrExport; 
-option java_package = "ru.yandex.kikimr.proto"; 
- 
-message TExport { 
-    optional uint64 Id = 1; 
-    optional Ydb.StatusIds.StatusCode Status = 2; 
-    repeated Ydb.Issue.IssueMessage Issues = 3; 
-    optional Ydb.Export.ExportProgress.Progress Progress = 4; 
-    repeated Ydb.Export.ExportItemProgress ItemsProgress = 7; 
-    oneof Settings { 
-        Ydb.Export.ExportToYtSettings ExportToYtSettings = 5; 
-        Ydb.Export.ExportToS3Settings ExportToS3Settings = 6; 
-    } 
-} 
- 
-message TCreateExportRequest { 
-    optional Ydb.Operations.OperationParams OperationParams = 1; 
-    oneof Settings { 
-        Ydb.Export.ExportToYtSettings ExportToYtSettings = 2; 
-        Ydb.Export.ExportToS3Settings ExportToS3Settings = 3; 
-    } 
-} 
- 
-message TEvCreateExportRequest { 
-    optional uint64 TxId = 1; 
-    optional string DatabaseName = 2; 
-    optional string UserSID = 4; 
-    optional TCreateExportRequest Request = 3; 
-} 
- 
-message TCreateExportResponse { 
-    optional TExport Entry = 1; 
-} 
- 
-message TEvCreateExportResponse { 
-    optional uint64 TxId = 1; 
-    optional TCreateExportResponse Response = 2; 
-} 
- 
-message TGetExportRequest { 
-    optional uint64 Id = 1; 
-} 
- 
-message TEvGetExportRequest { 
-    optional string DatabaseName = 2; 
-    optional TGetExportRequest Request = 1; 
-} 
- 
-message TGetExportResponse { 
-    optional TExport Entry = 1; 
-} 
- 
-message TEvGetExportResponse { 
-    optional TGetExportResponse Response = 1; 
-} 
- 
-message TCancelExportRequest { 
-    optional uint64 Id = 1; 
-} 
- 
-message TEvCancelExportRequest { 
-    optional uint64 TxId = 1; 
-    optional string DatabaseName = 3; 
-    optional TCancelExportRequest Request = 2; 
-} 
- 
-message TCancelExportResponse { 
-    optional Ydb.StatusIds.StatusCode Status = 1; 
-    repeated Ydb.Issue.IssueMessage Issues = 2; 
-} 
- 
-message TEvCancelExportResponse { 
-    optional uint64 TxId = 1; 
-    optional TCancelExportResponse Response = 2; 
-} 
- 
-message TForgetExportRequest { 
-    optional uint64 Id = 1; 
-} 
- 
-message TEvForgetExportRequest { 
-    optional uint64 TxId = 1; 
-    optional string DatabaseName = 3; 
-    optional TForgetExportRequest Request = 2; 
-} 
- 
-message TForgetExportResponse { 
-    optional Ydb.StatusIds.StatusCode Status = 1; 
-    repeated Ydb.Issue.IssueMessage Issues = 2; 
-} 
- 
-message TEvForgetExportResponse { 
-    optional uint64 TxId = 1; 
-    optional TForgetExportResponse Response = 2; 
-} 
- 
-message TListExportsRequest { 
-    optional uint64 PageSize = 1; 
-    optional string PageToken = 2; 
-    optional string Kind = 3; 
-} 
- 
-message TEvListExportsRequest { 
-    optional string DatabaseName = 2; 
-    optional TListExportsRequest Request = 1; 
-} 
- 
-message TListExportsResponse { 
-    optional Ydb.StatusIds.StatusCode Status = 1; 
-    repeated Ydb.Issue.IssueMessage Issues = 2; 
-    repeated TExport Entries = 3; 
-    optional string NextPageToken = 4; 
-} 
- 
-message TEvListExportsResponse { 
-    optional TListExportsResponse Response = 1; 
-} 
+
+package NKikimrExport;
+option java_package = "ru.yandex.kikimr.proto";
+
+message TExport {
+    optional uint64 Id = 1;
+    optional Ydb.StatusIds.StatusCode Status = 2;
+    repeated Ydb.Issue.IssueMessage Issues = 3;
+    optional Ydb.Export.ExportProgress.Progress Progress = 4;
+    repeated Ydb.Export.ExportItemProgress ItemsProgress = 7;
+    oneof Settings {
+        Ydb.Export.ExportToYtSettings ExportToYtSettings = 5;
+        Ydb.Export.ExportToS3Settings ExportToS3Settings = 6;
+    }
+}
+
+message TCreateExportRequest {
+    optional Ydb.Operations.OperationParams OperationParams = 1;
+    oneof Settings {
+        Ydb.Export.ExportToYtSettings ExportToYtSettings = 2;
+        Ydb.Export.ExportToS3Settings ExportToS3Settings = 3;
+    }
+}
+
+message TEvCreateExportRequest {
+    optional uint64 TxId = 1;
+    optional string DatabaseName = 2;
+    optional string UserSID = 4;
+    optional TCreateExportRequest Request = 3;
+}
+
+message TCreateExportResponse {
+    optional TExport Entry = 1;
+}
+
+message TEvCreateExportResponse {
+    optional uint64 TxId = 1;
+    optional TCreateExportResponse Response = 2;
+}
+
+message TGetExportRequest {
+    optional uint64 Id = 1;
+}
+
+message TEvGetExportRequest {
+    optional string DatabaseName = 2;
+    optional TGetExportRequest Request = 1;
+}
+
+message TGetExportResponse {
+    optional TExport Entry = 1;
+}
+
+message TEvGetExportResponse {
+    optional TGetExportResponse Response = 1;
+}
+
+message TCancelExportRequest {
+    optional uint64 Id = 1;
+}
+
+message TEvCancelExportRequest {
+    optional uint64 TxId = 1;
+    optional string DatabaseName = 3;
+    optional TCancelExportRequest Request = 2;
+}
+
+message TCancelExportResponse {
+    optional Ydb.StatusIds.StatusCode Status = 1;
+    repeated Ydb.Issue.IssueMessage Issues = 2;
+}
+
+message TEvCancelExportResponse {
+    optional uint64 TxId = 1;
+    optional TCancelExportResponse Response = 2;
+}
+
+message TForgetExportRequest {
+    optional uint64 Id = 1;
+}
+
+message TEvForgetExportRequest {
+    optional uint64 TxId = 1;
+    optional string DatabaseName = 3;
+    optional TForgetExportRequest Request = 2;
+}
+
+message TForgetExportResponse {
+    optional Ydb.StatusIds.StatusCode Status = 1;
+    repeated Ydb.Issue.IssueMessage Issues = 2;
+}
+
+message TEvForgetExportResponse {
+    optional uint64 TxId = 1;
+    optional TForgetExportResponse Response = 2;
+}
+
+message TListExportsRequest {
+    optional uint64 PageSize = 1;
+    optional string PageToken = 2;
+    optional string Kind = 3;
+}
+
+message TEvListExportsRequest {
+    optional string DatabaseName = 2;
+    optional TListExportsRequest Request = 1;
+}
+
+message TListExportsResponse {
+    optional Ydb.StatusIds.StatusCode Status = 1;
+    repeated Ydb.Issue.IssueMessage Issues = 2;
+    repeated TExport Entries = 3;
+    optional string NextPageToken = 4;
+}
+
+message TEvListExportsResponse {
+    optional TListExportsResponse Response = 1;
+}
diff --git a/ydb/core/protos/flat_scheme_op.proto b/ydb/core/protos/flat_scheme_op.proto
index 3fcd75289e..33e598c1c2 100644
--- a/ydb/core/protos/flat_scheme_op.proto
+++ b/ydb/core/protos/flat_scheme_op.proto
@@ -1,7 +1,7 @@
-import "ydb/core/protos/base.proto"; 
+import "ydb/core/protos/base.proto";
 import "ydb/core/protos/bind_channel_storage_pool.proto";
 import "ydb/core/protos/pqconfig.proto";
-import "ydb/core/protos/replication.proto"; 
+import "ydb/core/protos/replication.proto";
 import "ydb/core/protos/table_stats.proto";
 import "ydb/core/protos/tablet.proto";
 import "ydb/core/protos/subdomains.proto";
@@ -285,40 +285,40 @@ message TShardIdx {
     optional uint64 LocalId = 2;
 }
 
-message TTTLSettings { 
-    enum EUnit { 
-        UNIT_AUTO = 0; 
-        UNIT_SECONDS = 1; 
-        UNIT_MILLISECONDS = 2; 
-        UNIT_MICROSECONDS = 3; 
-        UNIT_NANOSECONDS = 4; 
-    } 
- 
-    message TSysSettings { 
-        optional uint64 RunInterval = 1 [default = 3600000000]; // 1 hour 
-        optional uint64 RetryInterval = 2 [default = 300000000]; // 5 minutes 
-        optional uint32 BatchMaxBytes = 3 [default = 512000]; 
-        optional uint32 BatchMinKeys = 4 [default = 1]; 
-        optional uint32 BatchMaxKeys = 5 [default = 256]; 
-        optional uint32 MaxShardsInFlight = 6 [default = 1]; // zero means no limit 
-    } 
- 
-    message TEnabled { 
-        optional string ColumnName = 1; 
+message TTTLSettings {
+    enum EUnit {
+        UNIT_AUTO = 0;
+        UNIT_SECONDS = 1;
+        UNIT_MILLISECONDS = 2;
+        UNIT_MICROSECONDS = 3;
+        UNIT_NANOSECONDS = 4;
+    }
+
+    message TSysSettings {
+        optional uint64 RunInterval = 1 [default = 3600000000]; // 1 hour
+        optional uint64 RetryInterval = 2 [default = 300000000]; // 5 minutes
+        optional uint32 BatchMaxBytes = 3 [default = 512000];
+        optional uint32 BatchMinKeys = 4 [default = 1];
+        optional uint32 BatchMaxKeys = 5 [default = 256];
+        optional uint32 MaxShardsInFlight = 6 [default = 1]; // zero means no limit
+    }
+
+    message TEnabled {
+        optional string ColumnName = 1;
         optional uint32 ExpireAfterSeconds = 2;
-        optional EUnit ColumnUnit = 3; 
-        optional TSysSettings SysSettings = 4; 
-    } 
- 
-    message TDisabled { 
-    } 
- 
-    oneof Status { 
-        TEnabled Enabled = 1; 
-        TDisabled Disabled = 2; 
-    } 
-} 
- 
+        optional EUnit ColumnUnit = 3;
+        optional TSysSettings SysSettings = 4;
+    }
+
+    message TDisabled {
+    }
+
+    oneof Status {
+        TEnabled Enabled = 1;
+        TDisabled Disabled = 2;
+    }
+}
+
 message TTableDescription {
     optional string Name = 1;
     optional uint64 Id_Deprecated = 2; // LocalPathId, deprecated
@@ -345,14 +345,14 @@ message TTableDescription {
 
     optional uint64 TableSchemaVersion = 33;
 
-    optional NKikimrProto.TPathID PathId = 34; // TPathId, owerride Id = 2 
- 
-    optional TTTLSettings TTLSettings = 35; 
- 
+    optional NKikimrProto.TPathID PathId = 34; // TPathId, owerride Id = 2
+
+    optional TTTLSettings TTLSettings = 35;
+
     optional bool OmitFollowers = 36 [default = false]; // used with CopyFromTable
-    optional bool IsBackup = 37 [default = false]; 
- 
-    repeated TCdcStreamDescription CdcStreams = 38; 
+    optional bool IsBackup = 37 [default = false];
+
+    repeated TCdcStreamDescription CdcStreams = 38;
     repeated TSequenceDescription Sequences = 39;
 }
 
@@ -695,55 +695,55 @@ message TAlterLogin {
     }
 }
 
-enum ECdcStreamState { 
-    ECdcStreamStateInvalid = 0; 
-    ECdcStreamStateReady = 1; 
-    ECdcStreamStateDisabled = 2; 
-} 
- 
-enum ECdcStreamMode { 
-    ECdcStreamModeInvalid = 0; 
-    ECdcStreamModeKeysOnly = 1; 
-    ECdcStreamModeUpdate = 2; 
-    ECdcStreamModeNewImage = 3; 
-    ECdcStreamModeOldImage = 4; 
-    ECdcStreamModeNewAndOldImages = 5; 
-} 
- 
-message TCdcStreamDescription { 
-    optional string Name = 1; 
-    optional ECdcStreamMode Mode = 2; 
-    optional NKikimrProto.TPathID PathId = 3; 
-    optional ECdcStreamState State = 4; 
-    optional uint64 SchemaVersion = 5; 
-} 
- 
-message TCreateCdcStream { 
-    optional string TableName = 1; 
-    optional TCdcStreamDescription StreamDescription = 2; 
-} 
- 
-message TAlterCdcStream { 
-    optional string TableName = 1; 
-    optional string StreamName = 2; 
- 
-    message TDisable { 
-    } 
- 
-    oneof Action { 
-        TDisable Disable = 3; 
-    } 
-} 
- 
-message TDropCdcStream { 
-    optional string TableName = 1; 
-    optional string StreamName = 2; 
-} 
- 
+enum ECdcStreamState {
+    ECdcStreamStateInvalid = 0;
+    ECdcStreamStateReady = 1;
+    ECdcStreamStateDisabled = 2;
+}
+
+enum ECdcStreamMode {
+    ECdcStreamModeInvalid = 0;
+    ECdcStreamModeKeysOnly = 1;
+    ECdcStreamModeUpdate = 2;
+    ECdcStreamModeNewImage = 3;
+    ECdcStreamModeOldImage = 4;
+    ECdcStreamModeNewAndOldImages = 5;
+}
+
+message TCdcStreamDescription {
+    optional string Name = 1;
+    optional ECdcStreamMode Mode = 2;
+    optional NKikimrProto.TPathID PathId = 3;
+    optional ECdcStreamState State = 4;
+    optional uint64 SchemaVersion = 5;
+}
+
+message TCreateCdcStream {
+    optional string TableName = 1;
+    optional TCdcStreamDescription StreamDescription = 2;
+}
+
+message TAlterCdcStream {
+    optional string TableName = 1;
+    optional string StreamName = 2;
+
+    message TDisable {
+    }
+
+    oneof Action {
+        TDisable Disable = 3;
+    }
+}
+
+message TDropCdcStream {
+    optional string TableName = 1;
+    optional string StreamName = 2;
+}
+
 enum EIndexType {
     EIndexTypeInvalid = 0;
     EIndexTypeGlobal = 1;
-    EIndexTypeGlobalAsync = 2; 
+    EIndexTypeGlobalAsync = 2;
 }
 
 enum EIndexState {
@@ -767,8 +767,8 @@ message TIndexDescription {
     optional uint64 PathOwnerId = 7;
 
     repeated string DataColumnNames = 8;
-    // DataSize + IndexSize of indexImplTable 
-    optional uint64 DataSize = 9; 
+    // DataSize + IndexSize of indexImplTable
+    optional uint64 DataSize = 9;
 }
 
 message TIndexCreationConfig {
@@ -807,91 +807,91 @@ message TCopyTableConfig { //TTableDescription implemets copying a table in orig
 
     optional bool OmitIndexes = 3 [default = false];
     optional bool OmitFollowers = 4 [default = false];
-    optional bool IsBackup = 5 [default = false]; 
+    optional bool IsBackup = 5 [default = false];
 }
 
 message TConsistentTableCopyingConfig {
     repeated TCopyTableConfig CopyTableDescriptions = 1;
 }
 
-message TYTSettings { 
-    optional string Host = 1; 
-    optional string TablePattern = 2; 
+message TYTSettings {
+    optional string Host = 1;
+    optional string TablePattern = 2;
     optional string Token = 3;
-    optional uint32 Port = 4 [default = 80]; 
- 
-    reserved 5; // YSONasText 
-    reserved 6; // AddScheme 
-    reserved 7; // CreateYTTable 
- 
-    optional bool UseTypeV3 = 8; 
+    optional uint32 Port = 4 [default = 80];
+
+    reserved 5; // YSONasText
+    reserved 6; // AddScheme
+    reserved 7; // CreateYTTable
+
+    optional bool UseTypeV3 = 8;
+};
+
+message TS3Settings {
+    enum EScheme {
+        HTTP = 0;
+        HTTPS = 1;
+    }
+
+    optional string Endpoint = 1;
+    optional EScheme Scheme = 2 [default = HTTPS];
+    optional string Bucket = 3;
+    optional string ObjectKeyPattern = 4; // dst for backup, src for restore
+    optional string AccessKey = 5;
+    optional string SecretKey = 6;
+    optional Ydb.Export.ExportToS3Settings.StorageClass StorageClass = 7;
+
+    message TLimits {
+        optional uint32 ReadBatchSize = 1 [default = 8388608]; // 8 MB
+        optional uint32 WriteBatchSize = 2 [default = 67108864]; // 64 MB
+    };
+
+    optional TLimits Limits = 100;
 };
 
-message TS3Settings { 
-    enum EScheme { 
-        HTTP = 0; 
-        HTTPS = 1; 
-    } 
- 
-    optional string Endpoint = 1; 
-    optional EScheme Scheme = 2 [default = HTTPS]; 
-    optional string Bucket = 3; 
-    optional string ObjectKeyPattern = 4; // dst for backup, src for restore 
-    optional string AccessKey = 5; 
-    optional string SecretKey = 6; 
-    optional Ydb.Export.ExportToS3Settings.StorageClass StorageClass = 7; 
- 
-    message TLimits { 
-        optional uint32 ReadBatchSize = 1 [default = 8388608]; // 8 MB 
-        optional uint32 WriteBatchSize = 2 [default = 67108864]; // 64 MB 
-    }; 
- 
-    optional TLimits Limits = 100; 
-}; 
- 
 message TBackupTask {
     optional string TableName = 1;
-    optional uint64 TableId = 2; 
+    optional uint64 TableId = 2;
     optional uint32 ShardNum = 3;
     optional uint32 NumberOfRetries = 5;
- 
-    reserved 6; // IfFailedBeforeTxId 
-    reserved 7; // UserProvidedId 
-    reserved 8; // UserProvidedComment 
- 
-    oneof Settings { 
-        TYTSettings YTSettings = 4; 
-        TS3Settings S3Settings = 9; 
-    } 
- 
-    optional TPathDescription Table = 10; // for further restore 
- 
-    message TScanSettings { 
-        optional uint64 RowsBatchSize = 1 [default = 0]; // no limit 
-        optional uint64 BytesBatchSize = 2 [default = 67108864]; // 64 MB 
-    } 
- 
-    optional TScanSettings ScanSettings = 11; 
-    optional bool NeedToBill = 12; 
-}
-
-message TRestoreTask { 
-    optional string TableName = 1; 
-    optional uint64 TableId = 2; 
-    optional TTableDescription TableDescription = 3; 
-    optional uint32 ShardNum = 4; 
-    optional uint32 NumberOfRetries = 5; 
- 
-    oneof Settings { 
-        TS3Settings S3Settings = 6; 
-    } 
-} 
- 
+
+    reserved 6; // IfFailedBeforeTxId
+    reserved 7; // UserProvidedId
+    reserved 8; // UserProvidedComment
+
+    oneof Settings {
+        TYTSettings YTSettings = 4;
+        TS3Settings S3Settings = 9;
+    }
+
+    optional TPathDescription Table = 10; // for further restore
+
+    message TScanSettings {
+        optional uint64 RowsBatchSize = 1 [default = 0]; // no limit
+        optional uint64 BytesBatchSize = 2 [default = 67108864]; // 64 MB
+    }
+
+    optional TScanSettings ScanSettings = 11;
+    optional bool NeedToBill = 12;
+}
+
+message TRestoreTask {
+    optional string TableName = 1;
+    optional uint64 TableId = 2;
+    optional TTableDescription TableDescription = 3;
+    optional uint32 ShardNum = 4;
+    optional uint32 NumberOfRetries = 5;
+
+    oneof Settings {
+        TS3Settings S3Settings = 6;
+    }
+}
+
 message TPersQueueGroupDescription {
     message TPartition {
         optional uint32 PartitionId = 1;
         optional uint64 TabletId = 2;
-        optional NKikimrPQ.TPartitionKeyRange KeyRange = 3; 
+        optional NKikimrPQ.TPartitionKeyRange KeyRange = 3;
     }
 
     optional string Name = 1; // mandatory
@@ -909,14 +909,14 @@ message TPersQueueGroupDescription {
     repeated TPartition Partitions = 6; // do not set
     optional uint64 AlterVersion = 7;
     optional uint64 BalancerTabletID = 8;
- 
-    // Can be passed upon creation. 
-    // PQTabletConfig.PartitionKeySchema must be set. 
-    // Size must be equal to TotalGroupCount - 1 
-    repeated NKikimrMiniKQL.TValue PartitionBoundaries = 12; 
- 
-    // Can be passed upon creation 
-    optional NKikimrPQ.TBootstrapConfig BootstrapConfig = 13; 
+
+    // Can be passed upon creation.
+    // PQTabletConfig.PartitionKeySchema must be set.
+    // Size must be equal to TotalGroupCount - 1
+    repeated NKikimrMiniKQL.TValue PartitionBoundaries = 12;
+
+    // Can be passed upon creation
+    optional NKikimrPQ.TBootstrapConfig BootstrapConfig = 13;
 }
 
 message TRtmrVolumeDescription {
@@ -969,7 +969,7 @@ message TSolomonVolumeDescription {
         optional uint64 PartitionId = 1;
         optional uint64 TabletId = 2;
         optional uint64 ShardIdx = 3;
-        repeated NKikimrStoragePool.TChannelBind BoundChannels = 4; 
+        repeated NKikimrStoragePool.TChannelBind BoundChannels = 4;
     }
 
     optional string Name = 1; // mandatory
@@ -998,8 +998,8 @@ message TAlterSolomonVolume {
     optional uint32 ChannelProfileId = 2;
 
     optional uint64 PartitionCount = 3;
- 
-    optional bool UpdateChannelsBinding = 4 [default = false]; 
+
+    optional bool UpdateChannelsBinding = 4 [default = false];
 }
 
 message TBlockStoreAssignOp {
@@ -1041,7 +1041,7 @@ message TMove { // private description of the operation
 
 message TSequenceDescription {
     optional string Name = 1; // mandatory
-    optional NKikimrProto.TPathID PathId = 2; // sequence path id, assigned by schemeshard 
+    optional NKikimrProto.TPathID PathId = 2; // sequence path id, assigned by schemeshard
     optional uint64 Version = 3; // incremented every time sequence is altered
     optional uint64 SequenceShard = 4; // current sequenceshard, assigned by schemeshard
 
@@ -1058,14 +1058,14 @@ message TSequenceSharding {
     repeated TShardIdx SequenceShards = 1;
 }
 
-message TReplicationDescription { 
-    optional string Name = 1; 
-    optional NKikimrReplication.TReplicationConfig Config = 2; 
-    optional NKikimrProto.TPathID PathId = 3; // path id assigned by schemeshard 
-    optional uint64 Version = 4; 
-    optional uint64 ControllerId = 5; // replication controller's tablet id 
-} 
- 
+message TReplicationDescription {
+    optional string Name = 1;
+    optional NKikimrReplication.TReplicationConfig Config = 2;
+    optional NKikimrProto.TPathID PathId = 3; // path id assigned by schemeshard
+    optional uint64 Version = 4;
+    optional uint64 ControllerId = 5; // replication controller's tablet id
+}
+
 enum EOperationType {
     ESchemeOpMkDir = 1;
     ESchemeOpCreateTable = 2;
@@ -1134,8 +1134,8 @@ enum EOperationType {
     ESchemeOpCreateFileStore = 51;
     ESchemeOpAlterFileStore = 52;
     ESchemeOpDropFileStore = 53;
- 
-    ESchemeOpRestore = 54; 
+
+    ESchemeOpRestore = 54;
 
     ESchemeOpCreateColumnStore = 55;
     ESchemeOpAlterColumnStore = 56;
@@ -1145,20 +1145,20 @@ enum EOperationType {
     ESchemeOpDropColumnTable = 60;
 
     ESchemeOpAlterLogin = 61;
- 
-    /// CDC 
-    // Create 
-    ESchemeOpCreateCdcStream = 62; 
-    ESchemeOpCreateCdcStreamImpl = 63; 
-    ESchemeOpCreateCdcStreamAtTable = 64; 
-    // Alter 
-    ESchemeOpAlterCdcStream = 65; 
-    ESchemeOpAlterCdcStreamImpl = 66; 
-    ESchemeOpAlterCdcStreamAtTable = 67; 
-    // Drop 
-    ESchemeOpDropCdcStream = 68; 
-    ESchemeOpDropCdcStreamImpl = 69; 
-    ESchemeOpDropCdcStreamAtTable = 70; 
+
+    /// CDC
+    // Create
+    ESchemeOpCreateCdcStream = 62;
+    ESchemeOpCreateCdcStreamImpl = 63;
+    ESchemeOpCreateCdcStreamAtTable = 64;
+    // Alter
+    ESchemeOpAlterCdcStream = 65;
+    ESchemeOpAlterCdcStreamImpl = 66;
+    ESchemeOpAlterCdcStreamAtTable = 67;
+    // Drop
+    ESchemeOpDropCdcStream = 68;
+    ESchemeOpDropCdcStreamImpl = 69;
+    ESchemeOpDropCdcStreamAtTable = 70;
 
     ESchemeOpMoveTable = 71;
     ESchemeOpMoveTableIndex = 72;
@@ -1167,11 +1167,11 @@ enum EOperationType {
     ESchemeOpCreateSequence = 73;
     ESchemeOpAlterSequence = 74;
     ESchemeOpDropSequence = 75;
- 
-    // Replication 
-    ESchemeOpCreateReplication = 76; 
-    ESchemeOpAlterReplication = 77; 
-    ESchemeOpDropReplication = 78; 
+
+    // Replication
+    ESchemeOpCreateReplication = 76;
+    ESchemeOpAlterReplication = 77;
+    ESchemeOpDropReplication = 78;
 }
 
 message TApplyIf {
@@ -1260,19 +1260,19 @@ message TModifyScheme {
     optional TIndexBuildControl CancelIndexBuild = 35;
     optional TFileStoreDescription CreateFileStore = 37;
     optional TFileStoreDescription AlterFileStore = 38;
-    optional TRestoreTask Restore = 39; 
+    optional TRestoreTask Restore = 39;
     optional TColumnStoreDescription CreateColumnStore = 40;
     optional TColumnTableDescription CreateColumnTable = 41;
     optional TAlterColumnStore AlterColumnStore = 42;
     optional TAlterColumnTable AlterColumnTable = 43;
     optional TAlterLogin AlterLogin = 44;
-    optional TCreateCdcStream CreateCdcStream = 45; 
-    optional TAlterCdcStream AlterCdcStream = 46; 
-    optional TDropCdcStream DropCdcStream = 47; 
+    optional TCreateCdcStream CreateCdcStream = 45;
+    optional TAlterCdcStream AlterCdcStream = 46;
+    optional TDropCdcStream DropCdcStream = 47;
     optional TMove MoveTable = 48;
     optional TMove MoveTableIndex = 49;
     optional TSequenceDescription Sequence = 51;
-    optional TReplicationDescription Replication = 52; 
+    optional TReplicationDescription Replication = 52;
 }
 
 // "Script", used by client to parse text files with multiple DDL commands
@@ -1288,7 +1288,7 @@ message TDescribeOptions {
     optional bool ReturnChildren = 5 [default = true];
     optional bool ReturnBoundaries = 6 [default = false];
     optional bool ShowPrivateTable = 7 [default = false];
-    optional bool ReturnChannelsBinding = 8 [default = false]; 
+    optional bool ReturnChannelsBinding = 8 [default = false];
 }
 
 // Request to read scheme for a specific path
@@ -1323,18 +1323,18 @@ enum EPathType {
     EPathTypeFileStore = 11;
     EPathTypeColumnStore = 12;
     EPathTypeColumnTable = 13;
-    EPathTypeCdcStream = 14; 
+    EPathTypeCdcStream = 14;
     EPathTypeSequence = 15;
-    EPathTypeReplication = 16; 
+    EPathTypeReplication = 16;
+}
+
+enum EPathSubType {
+    EPathSubTypeEmpty = 0;
+    EPathSubTypeSyncIndexImplTable = 1;
+    EPathSubTypeAsyncIndexImplTable = 2;
+    EPathSubTypeStreamImpl = 3;
 }
 
-enum EPathSubType { 
-    EPathSubTypeEmpty = 0; 
-    EPathSubTypeSyncIndexImplTable = 1; 
-    EPathSubTypeAsyncIndexImplTable = 2; 
-    EPathSubTypeStreamImpl = 3; 
-} 
- 
 enum EPathState {
     EPathStateNotExist = 1;
     EPathStateNoChanges = 2;
@@ -1345,7 +1345,7 @@ enum EPathState {
     EPathStateBackup = 7;
     EPathStateUpgrade = 8;
     EPathStateMigrated = 9;
-    EPathStateRestore = 10; 
+    EPathStateRestore = 10;
     EPathStateMoving = 11;
 }
 
@@ -1372,10 +1372,10 @@ message TPathVersion {
     optional uint64 SubDomainStateVersion = 19;
     optional uint64 ColumnTableSchemaVersion = 20;
     optional uint64 ColumnTableTtlSettingsVersion = 21;
-    optional uint64 CdcStreamVersion = 22; 
+    optional uint64 CdcStreamVersion = 22;
     optional uint64 SecurityStateVersion = 23;
     optional uint64 SequenceVersion = 24;
-    optional uint64 ReplicationVersion = 25; 
+    optional uint64 ReplicationVersion = 25;
 }
 
 // Describes single path
@@ -1393,7 +1393,7 @@ message TDirEntry {
     optional bytes ACL = 11;
     optional bytes EffectiveACL = 12;
     optional uint64 PathVersion = 13;
-    optional EPathSubType PathSubType = 14; 
+    optional EPathSubType PathSubType = 14;
     optional TPathVersion Version = 15;
 
     optional uint64 BalancerTabletID = 999; //temporary optimization for old PQ read/write protocol. Must be removed later
@@ -1418,7 +1418,7 @@ message TBackupProgress {
     optional uint32 ErrorCount = 3;
     optional uint64 StartTime = 4;
     repeated TShardError Errors = 5;
-    optional TYTSettings YTSettings = 6; 
+    optional TYTSettings YTSettings = 6;
     optional uint64 DataTotalSize = 7;
     optional uint64 TxId = 8;
 }
@@ -1428,7 +1428,7 @@ message TLastBackupResult {
     optional uint64 CompleteTimeStamp = 2;
     optional uint64 StartTimeStamp = 3;
     repeated TShardError Errors = 4;
-    optional TYTSettings YTSettings = 5; 
+    optional TYTSettings YTSettings = 5;
     optional uint64 DataTotalSize = 6;
     optional uint64 TxId = 7;
 };
@@ -1457,9 +1457,9 @@ message TPathDescription {
     optional TFileStoreDescription FileStoreDescription = 20;
     optional TColumnStoreDescription ColumnStoreDescription = 21;
     optional TColumnTableDescription ColumnTableDescription = 22;
-    optional TCdcStreamDescription CdcStreamDescription = 23; 
+    optional TCdcStreamDescription CdcStreamDescription = 23;
     optional TSequenceDescription SequenceDescription = 24;
-    optional TReplicationDescription ReplicationDescription = 25; 
+    optional TReplicationDescription ReplicationDescription = 25;
 }
 
 // For persisting AlterTable Tx description in Schemeshard internal DB
diff --git a/ydb/core/protos/flat_tx_scheme.proto b/ydb/core/protos/flat_tx_scheme.proto
index 51cd807253..dc06523e5c 100644
--- a/ydb/core/protos/flat_tx_scheme.proto
+++ b/ydb/core/protos/flat_tx_scheme.proto
@@ -29,8 +29,8 @@ enum EStatus  {
     StatusInvalidParameter = 7;
     StatusMultipleModifications = 8;
     StatusReadOnly = 9;
-    StatusTxIdNotExists = 10; 
-    StatusTxIsNotCancellable = 11; 
+    StatusTxIdNotExists = 10;
+    StatusTxIsNotCancellable = 11;
     StatusAccessDenied = 12;
     StatusNotAvailable = 13;
     StatusPreconditionFailed = 14;
@@ -77,17 +77,17 @@ message TEvDescribeSchemeResult {
     optional fixed64 PathOwnerId = 10;
 }
 
-message TEvCancelTx { 
-    optional uint64 TargetTxId = 1; 
+message TEvCancelTx {
+    optional uint64 TargetTxId = 1;
     optional string Path = 2;
     optional string SecurityToken = 3;
     optional uint64 TxId = 4;
 }
 
-message TEvCancelTxResult { 
+message TEvCancelTxResult {
     optional EStatus Status = 1;
     optional string Result = 2;
-    optional uint64 TargetTxId = 3; 
+    optional uint64 TargetTxId = 3;
     optional uint64 TxId = 4;
 }
 
@@ -163,10 +163,10 @@ message TEvInitTenantSchemeShard {
     optional TSchemeLimits SchemeLimits = 11;
 
     optional bool InitiateMigration = 12;
- 
-    optional fixed64 ResourcesDomainOwnerId = 13; 
-    optional fixed64 ResourcesDomainPathId = 14; 
-    optional fixed64 SharedHive = 15; 
+
+    optional fixed64 ResourcesDomainOwnerId = 13;
+    optional fixed64 ResourcesDomainPathId = 14;
+    optional fixed64 SharedHive = 15;
 
     optional NKikimrSubDomains.TSchemeQuotas DeclaredSchemeQuotas = 16;
     optional Ydb.Cms.DatabaseQuotas DatabaseQuotas = 17;
@@ -192,8 +192,8 @@ message TMigrateShard {
 }
 
 message TMigratePath {
-    optional NKikimrProto.TPathID PathId = 1; 
-    optional NKikimrProto.TPathID ParentPathId = 2; 
+    optional NKikimrProto.TPathID PathId = 1;
+    optional NKikimrProto.TPathID ParentPathId = 2;
     optional string Name = 3;
     optional uint32 PathType = 4;
     optional uint64 StepCreated= 5;
@@ -227,7 +227,7 @@ message TMigratePartition {
 }
 
 message TMigrateTable {
-    optional NKikimrProto.TPathID PathId = 1; 
+    optional NKikimrProto.TPathID PathId = 1;
     optional uint32 NextColId = 2;
     optional string PartitionConfig = 3;
     optional uint32 AlterVersion = 4;
@@ -238,7 +238,7 @@ message TMigrateTable {
 }
 
 message TMigrateTableIndex {
-    optional NKikimrProto.TPathID PathId = 1; 
+    optional NKikimrProto.TPathID PathId = 1;
     optional uint64 AlterVersion = 2;
     optional uint32 Type = 3;
     optional uint32 State = 4;
@@ -246,7 +246,7 @@ message TMigrateTableIndex {
 }
 
 message TMigrateKesus {
-    optional NKikimrProto.TPathID PathId = 1; 
+    optional NKikimrProto.TPathID PathId = 1;
     optional uint64 Version = 2;
     optional string Config = 3;
 }
@@ -266,7 +266,7 @@ message TEvMigrate {
 message TEvMigrateResult {
     optional fixed64 TenantSchemeShard = 1;
     optional uint64 SchemeShardGeneration = 2;
-    optional NKikimrProto.TPathID PathId = 3; 
+    optional NKikimrProto.TPathID PathId = 3;
     repeated TShardID ShardIds = 4;
 }
 
diff --git a/ydb/core/protos/import.proto b/ydb/core/protos/import.proto
index 88cc76030e..7ce4d49744 100644
--- a/ydb/core/protos/import.proto
+++ b/ydb/core/protos/import.proto
@@ -2,119 +2,119 @@ import "ydb/public/api/protos/ydb_import.proto";
 import "ydb/public/api/protos/ydb_issue_message.proto";
 import "ydb/public/api/protos/ydb_operation.proto";
 import "ydb/public/api/protos/ydb_status_codes.proto";
- 
-package NKikimrImport; 
-option java_package = "ru.yandex.kikimr.proto"; 
- 
-message TImport { 
-    optional uint64 Id = 1; 
-    optional Ydb.StatusIds.StatusCode Status = 2; 
-    repeated Ydb.Issue.IssueMessage Issues = 3; 
-    optional Ydb.Import.ImportProgress.Progress Progress = 4; 
-    repeated Ydb.Import.ImportItemProgress ItemsProgress = 5; 
-    oneof Settings { 
-        Ydb.Import.ImportFromS3Settings ImportFromS3Settings = 6; 
-    } 
-} 
- 
-message TCreateImportRequest { 
-    optional Ydb.Operations.OperationParams OperationParams = 1; 
-    oneof Settings { 
-        Ydb.Import.ImportFromS3Settings ImportFromS3Settings = 2; 
-    } 
-} 
- 
-message TEvCreateImportRequest { 
-    optional uint64 TxId = 1; 
-    optional string DatabaseName = 2; 
-    optional string UserSID = 3; 
-    optional TCreateImportRequest Request = 4; 
-} 
- 
-message TCreateImportResponse { 
-    optional TImport Entry = 1; 
-} 
- 
-message TEvCreateImportResponse { 
-    optional uint64 TxId = 1; 
-    optional TCreateImportResponse Response = 2; 
-} 
- 
-message TGetImportRequest { 
-    optional uint64 Id = 1; 
-} 
- 
-message TEvGetImportRequest { 
-    optional string DatabaseName = 2; 
-    optional TGetImportRequest Request = 1; 
-} 
- 
-message TGetImportResponse { 
-    optional TImport Entry = 1; 
-} 
- 
-message TEvGetImportResponse { 
-    optional TGetImportResponse Response = 1; 
-} 
- 
-message TCancelImportRequest { 
-    optional uint64 Id = 1; 
-} 
- 
-message TEvCancelImportRequest { 
-    optional uint64 TxId = 1; 
-    optional string DatabaseName = 3; 
-    optional TCancelImportRequest Request = 2; 
-} 
- 
-message TCancelImportResponse { 
-    optional Ydb.StatusIds.StatusCode Status = 1; 
-    repeated Ydb.Issue.IssueMessage Issues = 2; 
-} 
- 
-message TEvCancelImportResponse { 
-    optional uint64 TxId = 1; 
-    optional TCancelImportResponse Response = 2; 
-} 
- 
-message TForgetImportRequest { 
-    optional uint64 Id = 1; 
-} 
- 
-message TEvForgetImportRequest { 
-    optional uint64 TxId = 1; 
-    optional string DatabaseName = 3; 
-    optional TForgetImportRequest Request = 2; 
-} 
- 
-message TForgetImportResponse { 
-    optional Ydb.StatusIds.StatusCode Status = 1; 
-    repeated Ydb.Issue.IssueMessage Issues = 2; 
-} 
- 
-message TEvForgetImportResponse { 
-    optional uint64 TxId = 1; 
-    optional TForgetImportResponse Response = 2; 
-} 
- 
-message TListImportsRequest { 
-    optional uint64 PageSize = 1; 
-    optional string PageToken = 2; 
-    optional string Kind = 3; 
-} 
- 
-message TEvListImportsRequest { 
-    optional string DatabaseName = 2; 
-    optional TListImportsRequest Request = 1; 
-} 
- 
-message TListImportsResponse { 
-    optional Ydb.StatusIds.StatusCode Status = 1; 
-    repeated Ydb.Issue.IssueMessage Issues = 2; 
-    repeated TImport Entries = 3; 
-    optional string NextPageToken = 4; 
-} 
- 
-message TEvListImportsResponse { 
-    optional TListImportsResponse Response = 1; 
-} 
+
+package NKikimrImport;
+option java_package = "ru.yandex.kikimr.proto";
+
+message TImport {
+    optional uint64 Id = 1;
+    optional Ydb.StatusIds.StatusCode Status = 2;
+    repeated Ydb.Issue.IssueMessage Issues = 3;
+    optional Ydb.Import.ImportProgress.Progress Progress = 4;
+    repeated Ydb.Import.ImportItemProgress ItemsProgress = 5;
+    oneof Settings {
+        Ydb.Import.ImportFromS3Settings ImportFromS3Settings = 6;
+    }
+}
+
+message TCreateImportRequest {
+    optional Ydb.Operations.OperationParams OperationParams = 1;
+    oneof Settings {
+        Ydb.Import.ImportFromS3Settings ImportFromS3Settings = 2;
+    }
+}
+
+message TEvCreateImportRequest {
+    optional uint64 TxId = 1;
+    optional string DatabaseName = 2;
+    optional string UserSID = 3;
+    optional TCreateImportRequest Request = 4;
+}
+
+message TCreateImportResponse {
+    optional TImport Entry = 1;
+}
+
+message TEvCreateImportResponse {
+    optional uint64 TxId = 1;
+    optional TCreateImportResponse Response = 2;
+}
+
+message TGetImportRequest {
+    optional uint64 Id = 1;
+}
+
+message TEvGetImportRequest {
+    optional string DatabaseName = 2;
+    optional TGetImportRequest Request = 1;
+}
+
+message TGetImportResponse {
+    optional TImport Entry = 1;
+}
+
+message TEvGetImportResponse {
+    optional TGetImportResponse Response = 1;
+}
+
+message TCancelImportRequest {
+    optional uint64 Id = 1;
+}
+
+message TEvCancelImportRequest {
+    optional uint64 TxId = 1;
+    optional string DatabaseName = 3;
+    optional TCancelImportRequest Request = 2;
+}
+
+message TCancelImportResponse {
+    optional Ydb.StatusIds.StatusCode Status = 1;
+    repeated Ydb.Issue.IssueMessage Issues = 2;
+}
+
+message TEvCancelImportResponse {
+    optional uint64 TxId = 1;
+    optional TCancelImportResponse Response = 2;
+}
+
+message TForgetImportRequest {
+    optional uint64 Id = 1;
+}
+
+message TEvForgetImportRequest {
+    optional uint64 TxId = 1;
+    optional string DatabaseName = 3;
+    optional TForgetImportRequest Request = 2;
+}
+
+message TForgetImportResponse {
+    optional Ydb.StatusIds.StatusCode Status = 1;
+    repeated Ydb.Issue.IssueMessage Issues = 2;
+}
+
+message TEvForgetImportResponse {
+    optional uint64 TxId = 1;
+    optional TForgetImportResponse Response = 2;
+}
+
+message TListImportsRequest {
+    optional uint64 PageSize = 1;
+    optional string PageToken = 2;
+    optional string Kind = 3;
+}
+
+message TEvListImportsRequest {
+    optional string DatabaseName = 2;
+    optional TListImportsRequest Request = 1;
+}
+
+message TListImportsResponse {
+    optional Ydb.StatusIds.StatusCode Status = 1;
+    repeated Ydb.Issue.IssueMessage Issues = 2;
+    repeated TImport Entries = 3;
+    optional string NextPageToken = 4;
+}
+
+message TEvListImportsResponse {
+    optional TListImportsResponse Response = 1;
+}
diff --git a/ydb/core/protos/msgbus_pq.proto b/ydb/core/protos/msgbus_pq.proto
index 36b833e88b..849b292383 100644
--- a/ydb/core/protos/msgbus_pq.proto
+++ b/ydb/core/protos/msgbus_pq.proto
@@ -90,27 +90,27 @@ message TPersQueuePartitionRequest {
         optional bool LastRequest = 2; // append size to last request's reservation
     }
 
-    message TCmdRegisterMessageGroup { 
-        // Id of message group (SourceId) 
-        optional bytes Id = 1; 
-        // Range of the key to which it is allowed to write. 
-        optional NKikimrPQ.TPartitionKeyRange PartitionKeyRange = 2; 
-        // Starting sequence number 
-        optional int64 StartingSeqNo = 3; 
-        // Is the registration made after SplitMessageGroup or not 
-        optional bool AfterSplit = 4; 
-    } 
- 
-    message TCmdDeregisterMessageGroup { 
-        // Id of message group (SourceId) 
-        optional bytes Id = 1; 
-    } 
- 
-    message TCmdSplitMessageGroup { 
-        repeated TCmdDeregisterMessageGroup DeregisterGroups = 1; 
-        repeated TCmdRegisterMessageGroup RegisterGroups = 2; 
-    } 
- 
+    message TCmdRegisterMessageGroup {
+        // Id of message group (SourceId)
+        optional bytes Id = 1;
+        // Range of the key to which it is allowed to write.
+        optional NKikimrPQ.TPartitionKeyRange PartitionKeyRange = 2;
+        // Starting sequence number
+        optional int64 StartingSeqNo = 3;
+        // Is the registration made after SplitMessageGroup or not
+        optional bool AfterSplit = 4;
+    }
+
+    message TCmdDeregisterMessageGroup {
+        // Id of message group (SourceId)
+        optional bytes Id = 1;
+    }
+
+    message TCmdSplitMessageGroup {
+        repeated TCmdDeregisterMessageGroup DeregisterGroups = 1;
+        repeated TCmdRegisterMessageGroup RegisterGroups = 2;
+    }
+
     optional string Topic = 1; //mandatory for request for partitions
     optional int32 Partition = 2; //mandatory for request for partitions
     optional string OwnerCookie = 3; //mandatory for write
@@ -126,9 +126,9 @@ message TPersQueuePartitionRequest {
     optional TCmdGetClientOffset CmdGetClientOffset = 10;
     optional TCmdGetOwnership CmdGetOwnership = 11;
     optional TCmdReserveBytes CmdReserveBytes = 14;
-    optional TCmdRegisterMessageGroup CmdRegisterMessageGroup = 20; 
-    optional TCmdDeregisterMessageGroup CmdDeregisterMessageGroup = 21; 
-    optional TCmdSplitMessageGroup CmdSplitMessageGroup = 22; 
+    optional TCmdRegisterMessageGroup CmdRegisterMessageGroup = 20;
+    optional TCmdDeregisterMessageGroup CmdDeregisterMessageGroup = 21;
+    optional TCmdSplitMessageGroup CmdSplitMessageGroup = 22;
 
     optional NActorsProto.TActorId PipeClient = 15;
 
@@ -416,8 +416,8 @@ message TPersQueuePartitionResponse {
             optional int64 SeqNo = 2; // will not be set if no records with such sourceId in partition
             optional int64 Offset = 3; //the same
             optional int64 WriteTimestampMS = 4; //the same
-            optional bool Explicit = 5; 
-            optional NKikimrPQ.TMessageGroupInfo.EState State = 6; 
+            optional bool Explicit = 5;
+            optional NKikimrPQ.TMessageGroupInfo.EState State = 6;
         }
         repeated TSourceIdInfo SourceIdInfo = 2;
     }
diff --git a/ydb/core/protos/out/out.cpp b/ydb/core/protos/out/out.cpp
index 449d7d1609..28c49a5c36 100644
--- a/ydb/core/protos/out/out.cpp
+++ b/ydb/core/protos/out/out.cpp
@@ -140,10 +140,10 @@ Y_DECLARE_OUT_SPEC(, NKikimrTxDataShard::TEvProposeTransactionResult::EStatus, s
 Y_DECLARE_OUT_SPEC(, NKikimrTxDataShard::EDatashardState, stream, value) {
     stream << NKikimrTxDataShard::EDatashardState_Name(value);
 }
- 
+
 Y_DECLARE_OUT_SPEC(, NKikimrBlobStorage::TPDiskState::E, stream, value) {
     stream << NKikimrBlobStorage::TPDiskState::E_Name(value);
-} 
+}
 
 Y_DECLARE_OUT_SPEC(, NKikimrBlobStorage::TPDiskSpaceColor::E, stream, value) {
     stream << NKikimrBlobStorage::TPDiskSpaceColor::E_Name(value);
diff --git a/ydb/core/protos/pqconfig.proto b/ydb/core/protos/pqconfig.proto
index 2362ec9cb7..7c85927449 100644
--- a/ydb/core/protos/pqconfig.proto
+++ b/ydb/core/protos/pqconfig.proto
@@ -126,7 +126,7 @@ message TPQConfig {
 
     optional NKikimrNodeLimits.TNodeLimitsConfig.TPersQueueNodeConfig PersQueueNodeConfig = 36;
 
-    optional bool EnableProtoSourceIdInfo = 37 [default = false]; 
+    optional bool EnableProtoSourceIdInfo = 37 [default = false];
 
     optional string Database = 38;
 
@@ -210,24 +210,24 @@ message TPartitionConfig {
     optional TMirrorPartitionConfig MirrorFrom = 15;
 };
 
-message TPartitionKeyRange { 
-    // Inclusive left border. Emptiness means -inf. 
-    optional bytes FromBound = 1; 
-    // Exclusive right border. Emptiness means +inf. 
-    optional bytes ToBound = 2; 
-} 
- 
-message TMessageGroup { 
-    // Id of message group (SourceId) 
-    optional bytes Id = 1; 
-    // Range of the key to which it is allowed to write. 
-    optional TPartitionKeyRange KeyRange = 2; 
-} 
- 
+message TPartitionKeyRange {
+    // Inclusive left border. Emptiness means -inf.
+    optional bytes FromBound = 1;
+    // Exclusive right border. Emptiness means +inf.
+    optional bytes ToBound = 2;
+}
+
+message TMessageGroup {
+    // Id of message group (SourceId)
+    optional bytes Id = 1;
+    // Range of the key to which it is allowed to write.
+    optional TPartitionKeyRange KeyRange = 2;
+}
+
 message TPQTabletConfig {
     optional uint64 CacheSize = 1 [default = 104857600]; //100Mb, per tablet
     optional TPartitionConfig PartitionConfig = 2; //mandatory
-    repeated uint32 PartitionIds = 3; //will be filled by schemeshard, don't touch. Deprecated by Partitions (id: 31) 
+    repeated uint32 PartitionIds = 3; //will be filled by schemeshard, don't touch. Deprecated by Partitions (id: 31)
     optional string TopicName = 4;  // also filled by schemeshard
     optional uint32 Version = 5; //also filled by schemeshard
     optional bool LocalDC = 6 [default = false];
@@ -264,44 +264,44 @@ message TPQTabletConfig {
     optional string YcFolderId = 27 [default = ""];
     optional string YdbDatabaseId = 28 [default = ""];
     optional string YdbDatabasePath = 29 [default = ""];
- 
-    message TKeyComponentSchema { 
-        optional string Name = 1; 
-        optional uint32 TypeId = 2; 
-    } 
-    repeated TKeyComponentSchema PartitionKeySchema = 30; 
- 
-    message TPartition { 
-        optional uint32 PartitionId = 1; 
-        optional TPartitionKeyRange KeyRange = 2; 
-    } 
-    repeated TPartition Partitions = 31; // filled by schemeshard 
-} 
-
-message TMessageGroupInfo { 
-    enum EState { 
-        STATE_UNKNOWN = 0; 
-        STATE_REGISTERED = 1; 
-        STATE_PENDING_REGISTRATION = 2; 
-    } 
- 
-    optional uint64 SeqNo = 1; 
-    optional uint64 Offset = 2; 
-    optional uint64 WriteTimestamp = 3; // TInstant::TValue 
-    optional uint64 CreateTimestamp = 4; // TInstant::TValue 
-    optional bool Explicit = 5; 
-    optional TPartitionKeyRange KeyRange = 6; 
-    optional EState State = 7; 
-} 
-
-message TBootstrapConfig { 
-    repeated TMessageGroup ExplicitMessageGroups = 1; 
-} 
- 
+
+    message TKeyComponentSchema {
+        optional string Name = 1;
+        optional uint32 TypeId = 2;
+    }
+    repeated TKeyComponentSchema PartitionKeySchema = 30;
+
+    message TPartition {
+        optional uint32 PartitionId = 1;
+        optional TPartitionKeyRange KeyRange = 2;
+    }
+    repeated TPartition Partitions = 31; // filled by schemeshard
+}
+
+message TMessageGroupInfo {
+    enum EState {
+        STATE_UNKNOWN = 0;
+        STATE_REGISTERED = 1;
+        STATE_PENDING_REGISTRATION = 2;
+    }
+
+    optional uint64 SeqNo = 1;
+    optional uint64 Offset = 2;
+    optional uint64 WriteTimestamp = 3; // TInstant::TValue
+    optional uint64 CreateTimestamp = 4; // TInstant::TValue
+    optional bool Explicit = 5;
+    optional TPartitionKeyRange KeyRange = 6;
+    optional EState State = 7;
+}
+
+message TBootstrapConfig {
+    repeated TMessageGroup ExplicitMessageGroups = 1;
+}
+
 message TUpdateConfig {
     optional uint64 TxId = 1;
     optional TPQTabletConfig TabletConfig = 2;
-    optional TBootstrapConfig BootstrapConfig = 3; // passed only upon creation 
+    optional TBootstrapConfig BootstrapConfig = 3; // passed only upon creation
 }
 
 message TUpdateBalancerConfig { //for schemeshard use only
diff --git a/ydb/core/protos/replication.proto b/ydb/core/protos/replication.proto
index 875ce60376..51fc908752 100644
--- a/ydb/core/protos/replication.proto
+++ b/ydb/core/protos/replication.proto
@@ -1,82 +1,82 @@
-import "ydb/core/protos/base.proto"; 
- 
-package NKikimrReplication; 
-option java_package = "ru.yandex.kikimr.proto"; 
- 
-message TStaticCredentials { 
-    optional string User = 1; 
-    optional string Password = 2; 
-} 
- 
-message TReplicationConfig { 
-    message TTargetEverything { 
-        optional string DstPrefix = 1; 
-    } 
- 
-    message TTargetSpecific { 
-        message TTarget { 
-            optional string SrcPath = 1; 
-            optional string DstPath = 2; 
-        } 
- 
-        repeated TTarget Targets = 1; 
-    } 
- 
-    // endpoint (host + port) and database of source cluster 
-    optional string SrcEndpoint = 1; 
-    optional string SrcDatabase = 2; 
-    // credentials 
-    oneof Credentials { 
-        TStaticCredentials StaticCredentials = 3; 
-    } 
- 
-    // targets to be replicated 
-    // Currently, only OLTP tables are supported. 
-    oneof Target { 
-        // replicate everything from source cluster 
-        TTargetEverything Everything = 4; 
-        // replicate specified objects 
-        TTargetSpecific Specific = 5; 
-    } 
- 
-    optional bool InitialSync = 6; 
-} 
- 
-message TOperationId { 
-    optional uint64 TxId = 1; 
-    optional uint32 PartId = 2; 
-} 
- 
-message TEvCreateReplication { 
-    optional NKikimrProto.TPathID PathId = 1; 
-    optional TOperationId OperationId = 2; 
-    optional TReplicationConfig Config = 3; 
-} 
- 
-message TEvCreateReplicationResult { 
-    enum EStatus { 
-        UNKNOWN = 0; 
-        SUCCESS = 1; 
-        ALREADY_EXISTS = 2; 
-    } 
- 
-    optional TOperationId OperationId = 1; 
-    optional uint64 Origin = 2; 
-    optional EStatus Status = 3; 
-} 
- 
-message TEvDropReplication { 
-    optional NKikimrProto.TPathID PathId = 1; 
-    optional TOperationId OperationId = 2; 
-} 
- 
-message TEvDropReplicationResult { 
-    enum EStatus { 
-        UNKNOWN = 0; 
-        SUCCESS = 1; 
-        NOT_FOUND = 2; 
-    } 
-    optional TOperationId OperationId = 1; 
-    optional uint64 Origin = 2; 
-    optional EStatus Status = 3; 
-} 
+import "ydb/core/protos/base.proto";
+
+package NKikimrReplication;
+option java_package = "ru.yandex.kikimr.proto";
+
+message TStaticCredentials {
+    optional string User = 1;
+    optional string Password = 2;
+}
+
+message TReplicationConfig {
+    message TTargetEverything {
+        optional string DstPrefix = 1;
+    }
+
+    message TTargetSpecific {
+        message TTarget {
+            optional string SrcPath = 1;
+            optional string DstPath = 2;
+        }
+
+        repeated TTarget Targets = 1;
+    }
+
+    // endpoint (host + port) and database of source cluster
+    optional string SrcEndpoint = 1;
+    optional string SrcDatabase = 2;
+    // credentials
+    oneof Credentials {
+        TStaticCredentials StaticCredentials = 3;
+    }
+
+    // targets to be replicated
+    // Currently, only OLTP tables are supported.
+    oneof Target {
+        // replicate everything from source cluster
+        TTargetEverything Everything = 4;
+        // replicate specified objects
+        TTargetSpecific Specific = 5;
+    }
+
+    optional bool InitialSync = 6;
+}
+
+message TOperationId {
+    optional uint64 TxId = 1;
+    optional uint32 PartId = 2;
+}
+
+message TEvCreateReplication {
+    optional NKikimrProto.TPathID PathId = 1;
+    optional TOperationId OperationId = 2;
+    optional TReplicationConfig Config = 3;
+}
+
+message TEvCreateReplicationResult {
+    enum EStatus {
+        UNKNOWN = 0;
+        SUCCESS = 1;
+        ALREADY_EXISTS = 2;
+    }
+
+    optional TOperationId OperationId = 1;
+    optional uint64 Origin = 2;
+    optional EStatus Status = 3;
+}
+
+message TEvDropReplication {
+    optional NKikimrProto.TPathID PathId = 1;
+    optional TOperationId OperationId = 2;
+}
+
+message TEvDropReplicationResult {
+    enum EStatus {
+        UNKNOWN = 0;
+        SUCCESS = 1;
+        NOT_FOUND = 2;
+    }
+    optional TOperationId OperationId = 1;
+    optional uint64 Origin = 2;
+    optional EStatus Status = 3;
+}
diff --git a/ydb/core/protos/scheme_board.proto b/ydb/core/protos/scheme_board.proto
index 0a28cfcd75..f063144f5d 100644
--- a/ydb/core/protos/scheme_board.proto
+++ b/ydb/core/protos/scheme_board.proto
@@ -1,94 +1,94 @@
 import "ydb/core/protos/flat_tx_scheme.proto";
- 
-package NKikimrSchemeBoard; 
-option java_package = "ru.yandex.kikimr.proto"; 
- 
-message TLocalPathIdRange { 
-    optional uint64 Begin = 1; 
-    optional uint64 End = 2; 
-} 
- 
-message TEvHandshake { 
-    optional uint64 Owner = 1; 
-    optional uint64 Generation = 2; 
-} 
- 
+
+package NKikimrSchemeBoard;
+option java_package = "ru.yandex.kikimr.proto";
+
+message TLocalPathIdRange {
+    optional uint64 Begin = 1;
+    optional uint64 End = 2;
+}
+
+message TEvHandshake {
+    optional uint64 Owner = 1;
+    optional uint64 Generation = 2;
+}
+
 // here and below
 // Owner is the tablet id of schemeshard witch holds the records
 // LocalPathId is a second part of TPathId
 // PathOwnerId is a first part of TPathId
 
-message TEvUpdate { 
-    optional uint64 Owner = 1; 
-    optional uint64 Generation = 2; 
-    optional TLocalPathIdRange DeletedLocalPathIds = 3; 
-    optional string Path = 4; 
-    optional uint64 LocalPathId = 5; 
-    optional bool IsDeletion = 6 [default = false]; 
+message TEvUpdate {
+    optional uint64 Owner = 1;
+    optional uint64 Generation = 2;
+    optional TLocalPathIdRange DeletedLocalPathIds = 3;
+    optional string Path = 4;
+    optional uint64 LocalPathId = 5;
+    optional bool IsDeletion = 6 [default = false];
     optional NKikimrScheme.TEvDescribeSchemeResult DescribeSchemeResult = 7;
-    optional bool NeedAck = 8 [default = false]; 
+    optional bool NeedAck = 8 [default = false];
     optional uint64 PathOwnerId = 9;
     optional TLocalPathIdRange MigratedLocalPathIds = 10;
-} 
- 
-message TEvUpdateAck { 
-    optional uint64 Owner = 1; 
-    optional uint64 Generation = 2; 
-    optional uint64 LocalPathId = 3; 
-    optional uint64 Version = 4; 
+}
+
+message TEvUpdateAck {
+    optional uint64 Owner = 1;
+    optional uint64 Generation = 2;
+    optional uint64 LocalPathId = 3;
+    optional uint64 Version = 4;
     optional uint64 PathOwnerId = 5;
-} 
- 
-message TEvCommitGeneration { 
-    optional uint64 Owner = 1; 
-    optional uint64 Generation = 2; 
-} 
- 
-message TEvSubscribe { 
-    message TCapabilities { 
-        optional bool AckNotifications = 1 [default = false]; 
-    } 
- 
-    optional string Path = 1; 
-    // or 
+}
+
+message TEvCommitGeneration {
+    optional uint64 Owner = 1;
+    optional uint64 Generation = 2;
+}
+
+message TEvSubscribe {
+    message TCapabilities {
+        optional bool AckNotifications = 1 [default = false];
+    }
+
+    optional string Path = 1;
+    // or
     optional uint64 PathOwnerId = 2;
-    optional uint64 LocalPathId = 3; 
-    // common 
-    optional uint64 DomainOwnerId = 4; 
-    optional TCapabilities Capabilities = 5; 
-} 
- 
-message TEvUnsubscribe { 
-    optional string Path = 1; 
-    // or 
+    optional uint64 LocalPathId = 3;
+    // common
+    optional uint64 DomainOwnerId = 4;
+    optional TCapabilities Capabilities = 5;
+}
+
+message TEvUnsubscribe {
+    optional string Path = 1;
+    // or
     optional uint64 PathOwnerId = 2;
-    optional uint64 LocalPathId = 3; 
-} 
- 
-message TEvNotify { 
-    optional string Path = 1; 
-    // and/or 
+    optional uint64 LocalPathId = 3;
+}
+
+message TEvNotify {
+    optional string Path = 1;
+    // and/or
     optional uint64 PathOwnerId = 2;
-    optional uint64 LocalPathId = 3; 
-    // common fields 
-    optional bool IsDeletion = 4 [default = false]; 
+    optional uint64 LocalPathId = 3;
+    // common fields
+    optional bool IsDeletion = 4 [default = false];
     optional NKikimrScheme.TEvDescribeSchemeResult DescribeSchemeResult = 5;
-    optional uint64 Version = 6; 
-    optional bool Strong = 7 [default = false]; 
-} 
- 
-message TEvNotifyAck { 
-    optional uint64 Version = 1; 
-} 
- 
-message TEvSyncVersionRequest { 
-    optional string Path = 1; 
-    // and/or 
+    optional uint64 Version = 6;
+    optional bool Strong = 7 [default = false];
+}
+
+message TEvNotifyAck {
+    optional uint64 Version = 1;
+}
+
+message TEvSyncVersionRequest {
+    optional string Path = 1;
+    // and/or
     optional uint64 PathOwnerId = 2;
-    optional uint64 LocalPathId = 3; 
-} 
- 
-message TEvSyncVersionResponse { 
-    optional uint64 Version = 1; 
-    optional bool Partial = 2; 
-} 
+    optional uint64 LocalPathId = 3;
+}
+
+message TEvSyncVersionResponse {
+    optional uint64 Version = 1;
+    optional bool Partial = 2;
+}
diff --git a/ydb/core/protos/scheme_board_mon.proto b/ydb/core/protos/scheme_board_mon.proto
index 9df3c7f680..db3e679a84 100644
--- a/ydb/core/protos/scheme_board_mon.proto
+++ b/ydb/core/protos/scheme_board_mon.proto
@@ -1,169 +1,169 @@
-import "library/cpp/actors/protos/actors.proto"; 
- 
-package NKikimrSchemeBoardMon; 
-option java_package = "ru.yandex.kikimr.proto"; 
- 
-message TEvInfoRequest { 
-    optional uint32 LimitRepeatedFields = 1 [default = 1000]; 
-} 
- 
-message TEvInfoResponse { 
-    optional NActorsProto.TActorId Self = 1; 
-    reserved 2; // deprecated ActivityType (enum) 
-    optional string ActivityType = 11; 
-    optional bool Truncated = 3 [default = false]; 
-    oneof Response { 
-        TReplicaResponse ReplicaResponse = 4; 
-        TPopulatorResponse PopulatorResponse = 5; 
-        TReplicaPopulatorResponse ReplicaPopulatorResponse = 6; 
-        TSubscriberResponse SubscriberResponse = 7; 
-        TSubscriberProxyResponse SubscriberProxyResponse = 8; 
-        TReplicaSubscriberResponse ReplicaSubscriberResponse = 9; 
-        TCacheResponse CacheResponse = 10; 
-    } 
-} 
- 
-message TEvDescribeRequest { 
-    oneof PathKind { 
-        string Path = 1; 
-        TPathId PathId = 2; 
-    } 
-} 
- 
-message TEvDescribeResponse { 
-    optional string Json = 1; 
-} 
- 
-message TPathId { 
-    optional uint64 OwnerId = 1; 
-    optional uint64 LocalPathId = 2; 
-} 
- 
-message TReplicaResponse { 
-    message TPopulatorInfo { 
-        optional uint64 Owner = 1; 
-        optional uint64 Generation = 2; 
-        optional uint64 PendingGeneration = 3; 
-        optional NActorsProto.TActorId ActorId = 4; 
-    } 
- 
-    message TDescriptionsInfo { 
-        optional uint64 TotalCount = 1; 
-        optional uint64 ByPathCount = 2; 
-        optional uint64 ByPathIdCount = 3; 
-    } 
- 
-    message TSubscriberInfo { 
-        optional NActorsProto.TActorId ActorId = 1; 
-        oneof PathKind { 
-            string Path = 2; 
-            TPathId PathId = 3; 
-        } 
-    } 
- 
-    repeated TPopulatorInfo Populators = 1; 
-    optional TDescriptionsInfo Descriptions = 2; 
-    repeated TSubscriberInfo Subscribers = 3; 
-} 
- 
-message TPopulatorResponse { 
-    message TUpdateAckInfo { 
-        message TPathAckInfo { 
-            optional TPathId PathId = 1; 
-            optional uint64 Version = 2; 
-            optional uint32 AcksCount = 3; 
-        } 
- 
-        optional uint64 Cookie = 1; 
-        optional NActorsProto.TActorId AckTo = 2; 
-        repeated TPathAckInfo PathAcks = 3; 
-    } 
- 
-    optional uint64 Owner = 1; 
-    optional uint64 Generation = 2; 
-    optional uint64 DescriptionsCount = 3; 
-    optional TPathId MaxPathId = 4; 
-    optional uint64 DelayedUpdatesCount = 5; 
-    repeated NActorsProto.TActorId ReplicaPopulators = 6; 
-    repeated TUpdateAckInfo UpdateAcks = 7; 
-} 
- 
-message TReplicaPopulatorResponse { 
-    message TUpdateInfo { 
-        message TVersionInfo { 
-            optional uint64 Version = 1; 
-            repeated uint64 TxIds = 2; 
-        } 
- 
-        optional TPathId PathId = 1; 
-        repeated TVersionInfo Versions = 2; 
-    } 
- 
-    optional NActorsProto.TActorId Parent = 1; 
-    optional NActorsProto.TActorId Replica = 2; 
-    optional uint64 Owner = 3; 
-    optional uint64 Generation = 4; 
-    optional TPathId CurPathId = 5; 
-    optional TPathId LastAckedPathId = 6; 
-    optional uint32 BatchSize = 7; 
-    optional uint32 BatchSizeLimit = 8; 
-    repeated TUpdateInfo Updates = 9; 
-    repeated TUpdateInfo UpdatesRequested = 10; 
-    repeated TUpdateInfo UpdatesInFlight = 11; 
-} 
- 
-message TSubscriberResponse { 
-    message TStateInfo { 
-        optional bool Deleted = 1; 
-        optional bool Strong = 2; 
-        optional TPathId PathId = 3; 
-        optional uint64 Version = 4; 
-        optional TPathId DomainId = 5; 
-        repeated uint64 AbandonedSchemeShards = 6; 
-    } 
- 
-    message TProxyStateInfo { 
-        optional NActorsProto.TActorId Proxy = 1; 
-        optional TStateInfo State = 2; 
-    } 
- 
-    optional NActorsProto.TActorId Owner = 1; 
-    optional uint64 DomainOwnerId = 2; 
-    repeated TProxyStateInfo ProxyStates = 3; 
-    optional TStateInfo State = 4; 
-    optional uint64 DelayedSyncRequest = 5; 
-    optional uint64 CurrentSyncRequest = 6; 
-    oneof PathKind { 
-        string Path = 7; 
-        TPathId PathId = 8; 
-    } 
-} 
- 
-message TSubscriberProxyResponse { 
-    optional NActorsProto.TActorId Parent = 1; 
-    optional NActorsProto.TActorId Replica = 2; 
-    optional NActorsProto.TActorId ReplicaSubscriber = 3; 
-    optional uint64 DomainOwnerId = 4; 
-    optional uint64 CurrentSyncRequest = 5; 
-    oneof PathKind { 
-        string Path = 6; 
-        TPathId PathId = 7; 
-    } 
-} 
- 
-message TReplicaSubscriberResponse { 
-    optional NActorsProto.TActorId Parent = 1; 
-    optional NActorsProto.TActorId Replica = 2; 
-    optional uint64 DomainOwnerId = 3; 
-    optional uint64 CurrentSyncRequest = 4; 
-    oneof PathKind { 
-        string Path = 5; 
-        TPathId PathId = 6; 
-    } 
-} 
- 
-message TCacheResponse { 
-    optional uint64 ItemsTotalCount = 1; 
-    optional uint64 ItemsByPathCount = 2; 
-    optional uint64 ItemsByPathIdCount = 3; 
-} 
+import "library/cpp/actors/protos/actors.proto";
+
+package NKikimrSchemeBoardMon;
+option java_package = "ru.yandex.kikimr.proto";
+
+message TEvInfoRequest {
+    optional uint32 LimitRepeatedFields = 1 [default = 1000];
+}
+
+message TEvInfoResponse {
+    optional NActorsProto.TActorId Self = 1;
+    reserved 2; // deprecated ActivityType (enum)
+    optional string ActivityType = 11;
+    optional bool Truncated = 3 [default = false];
+    oneof Response {
+        TReplicaResponse ReplicaResponse = 4;
+        TPopulatorResponse PopulatorResponse = 5;
+        TReplicaPopulatorResponse ReplicaPopulatorResponse = 6;
+        TSubscriberResponse SubscriberResponse = 7;
+        TSubscriberProxyResponse SubscriberProxyResponse = 8;
+        TReplicaSubscriberResponse ReplicaSubscriberResponse = 9;
+        TCacheResponse CacheResponse = 10;
+    }
+}
+
+message TEvDescribeRequest {
+    oneof PathKind {
+        string Path = 1;
+        TPathId PathId = 2;
+    }
+}
+
+message TEvDescribeResponse {
+    optional string Json = 1;
+}
+
+message TPathId {
+    optional uint64 OwnerId = 1;
+    optional uint64 LocalPathId = 2;
+}
+
+message TReplicaResponse {
+    message TPopulatorInfo {
+        optional uint64 Owner = 1;
+        optional uint64 Generation = 2;
+        optional uint64 PendingGeneration = 3;
+        optional NActorsProto.TActorId ActorId = 4;
+    }
+
+    message TDescriptionsInfo {
+        optional uint64 TotalCount = 1;
+        optional uint64 ByPathCount = 2;
+        optional uint64 ByPathIdCount = 3;
+    }
+
+    message TSubscriberInfo {
+        optional NActorsProto.TActorId ActorId = 1;
+        oneof PathKind {
+            string Path = 2;
+            TPathId PathId = 3;
+        }
+    }
+
+    repeated TPopulatorInfo Populators = 1;
+    optional TDescriptionsInfo Descriptions = 2;
+    repeated TSubscriberInfo Subscribers = 3;
+}
+
+message TPopulatorResponse {
+    message TUpdateAckInfo {
+        message TPathAckInfo {
+            optional TPathId PathId = 1;
+            optional uint64 Version = 2;
+            optional uint32 AcksCount = 3;
+        }
+
+        optional uint64 Cookie = 1;
+        optional NActorsProto.TActorId AckTo = 2;
+        repeated TPathAckInfo PathAcks = 3;
+    }
+
+    optional uint64 Owner = 1;
+    optional uint64 Generation = 2;
+    optional uint64 DescriptionsCount = 3;
+    optional TPathId MaxPathId = 4;
+    optional uint64 DelayedUpdatesCount = 5;
+    repeated NActorsProto.TActorId ReplicaPopulators = 6;
+    repeated TUpdateAckInfo UpdateAcks = 7;
+}
+
+message TReplicaPopulatorResponse {
+    message TUpdateInfo {
+        message TVersionInfo {
+            optional uint64 Version = 1;
+            repeated uint64 TxIds = 2;
+        }
+
+        optional TPathId PathId = 1;
+        repeated TVersionInfo Versions = 2;
+    }
+
+    optional NActorsProto.TActorId Parent = 1;
+    optional NActorsProto.TActorId Replica = 2;
+    optional uint64 Owner = 3;
+    optional uint64 Generation = 4;
+    optional TPathId CurPathId = 5;
+    optional TPathId LastAckedPathId = 6;
+    optional uint32 BatchSize = 7;
+    optional uint32 BatchSizeLimit = 8;
+    repeated TUpdateInfo Updates = 9;
+    repeated TUpdateInfo UpdatesRequested = 10;
+    repeated TUpdateInfo UpdatesInFlight = 11;
+}
+
+message TSubscriberResponse {
+    message TStateInfo {
+        optional bool Deleted = 1;
+        optional bool Strong = 2;
+        optional TPathId PathId = 3;
+        optional uint64 Version = 4;
+        optional TPathId DomainId = 5;
+        repeated uint64 AbandonedSchemeShards = 6;
+    }
+
+    message TProxyStateInfo {
+        optional NActorsProto.TActorId Proxy = 1;
+        optional TStateInfo State = 2;
+    }
+
+    optional NActorsProto.TActorId Owner = 1;
+    optional uint64 DomainOwnerId = 2;
+    repeated TProxyStateInfo ProxyStates = 3;
+    optional TStateInfo State = 4;
+    optional uint64 DelayedSyncRequest = 5;
+    optional uint64 CurrentSyncRequest = 6;
+    oneof PathKind {
+        string Path = 7;
+        TPathId PathId = 8;
+    }
+}
+
+message TSubscriberProxyResponse {
+    optional NActorsProto.TActorId Parent = 1;
+    optional NActorsProto.TActorId Replica = 2;
+    optional NActorsProto.TActorId ReplicaSubscriber = 3;
+    optional uint64 DomainOwnerId = 4;
+    optional uint64 CurrentSyncRequest = 5;
+    oneof PathKind {
+        string Path = 6;
+        TPathId PathId = 7;
+    }
+}
+
+message TReplicaSubscriberResponse {
+    optional NActorsProto.TActorId Parent = 1;
+    optional NActorsProto.TActorId Replica = 2;
+    optional uint64 DomainOwnerId = 3;
+    optional uint64 CurrentSyncRequest = 4;
+    oneof PathKind {
+        string Path = 5;
+        TPathId PathId = 6;
+    }
+}
+
+message TCacheResponse {
+    optional uint64 ItemsTotalCount = 1;
+    optional uint64 ItemsByPathCount = 2;
+    optional uint64 ItemsByPathIdCount = 3;
+}
diff --git a/ydb/core/protos/services.proto b/ydb/core/protos/services.proto
index 24ba6e08ed..c17c8a7dc3 100644
--- a/ydb/core/protos/services.proto
+++ b/ydb/core/protos/services.proto
@@ -143,7 +143,7 @@ enum EServiceKikimr {
     TX_PROXY_SCHEME_CACHE = 401;
     MSGBUS_PROXY = 403;
     TX_ALLOCATOR = 402;
-    TX_ALLOCATOR_CLIENT = 404; 
+    TX_ALLOCATOR_CLIENT = 404;
     LONG_TX_SERVICE = 405;
 
     LOGGER = 410;
@@ -231,11 +231,11 @@ enum EServiceKikimr {
     CONFIGS_DISPATCHER = 560;
     CONFIGS_CACHE = 561;
 
-    // SchemeBoard section 
-    SCHEME_BOARD_REPLICA = 570; 
-    SCHEME_BOARD_SUBSCRIBER = 571; 
-    SCHEME_BOARD_POPULATOR = 572; 
- 
+    // SchemeBoard section
+    SCHEME_BOARD_REPLICA = 570;
+    SCHEME_BOARD_SUBSCRIBER = 571;
+    SCHEME_BOARD_POPULATOR = 572;
+
     // Distributed Storage
     DS_PROXY_NODE_MON = 600;
 
@@ -255,7 +255,7 @@ enum EServiceKikimr {
     YF_CALL_BALANCER    = 708;
     YF_DESCRIPTIONS_SERVICE = 709;
     YF_WORKER           = 710;
- 
+
     NET_CLASSIFIER = 711;
 
     PERSQUEUE_CLUSTER_TRACKER = 712;
@@ -266,11 +266,11 @@ enum EServiceKikimr {
 
     YQL_NODES_MANAGER = 715;
 
-    // Exports (& imports) 
-    EXPORT = 800; 
-    DATASHARD_RESTORE = 801; 
-    IMPORT = 802; 
-    S3_WRAPPER = 803; 
+    // Exports (& imports)
+    EXPORT = 800;
+    DATASHARD_RESTORE = 801;
+    IMPORT = 802;
+    S3_WRAPPER = 803;
 
     // System views
     SYSTEM_VIEWS = 900;
@@ -290,19 +290,19 @@ enum EServiceKikimr {
     STREAMS_GRAND_LEADER_SERVICE = 1018;
     STREAMS_META_STORAGE_SERVICE = 1019;
     STREAMS_GRAPH_LEADER = 1020;
- 
+
     // YandexQuery
     YQ_CONTROL_PLANE_STORAGE = 1021;
     YQ_CONTROL_PLANE_PROXY= 1022;
     YQ_TEST_CONNECTION = 1023;
 
-    // Change exchange (async indexes & CDC) 
-    CHANGE_EXCHANGE = 1100; 
+    // Change exchange (async indexes & CDC)
+    CHANGE_EXCHANGE = 1100;
 
     YDB_SDK = 1101; // Log component for logger in YDB SDK driver.
- 
-    // Replication 
-    REPLICATION_CONTROLLER = 1200; 
+
+    // Replication
+    REPLICATION_CONTROLLER = 1200;
 };
 
 message TActivity {
@@ -694,19 +694,19 @@ message TActivity {
         BS_MIGRATION_ACTOR = 379;
         SQS_GARBAGE_COLLECTOR_ACTOR = 380;
         SYSTEM_VIEW_SERVICE = 381;
-        CMS_SENTINEL_ACTOR = 382; 
-        CMS_SENTINEL_CONFIG_UPDATER_ACTOR = 383; 
-        CMS_SENTINEL_STATE_UPDATER_ACTOR = 384; 
-        CMS_SENTINEL_STATUS_CHANGER_ACTOR = 385; 
+        CMS_SENTINEL_ACTOR = 382;
+        CMS_SENTINEL_CONFIG_UPDATER_ACTOR = 383;
+        CMS_SENTINEL_STATE_UPDATER_ACTOR = 384;
+        CMS_SENTINEL_STATUS_CHANGER_ACTOR = 385;
         TENANT_NODES_ENUMERATION = 386;
         SCHEME_BOARD_SYNCHRONIZER_ACTOR = 387;
         SCHEME_BOARD_REPLICA_SYNCHRONIZER_ACTOR = 388;
         SYSTEM_VIEW_PART_STATS_COLLECTOR = 389;
         BLOCKSTORE_DISK_AGENT = 390;
         BLOCKSTORE_DISK_REGISTRY = 391;
-        EXPORT_SCAN_ACTOR = 392; 
-        EXPORT_YT_UPLOADER_ACTOR = 393; 
-        EXPORT_S3_UPLOADER_ACTOR = 394; 
+        EXPORT_SCAN_ACTOR = 392;
+        EXPORT_YT_UPLOADER_ACTOR = 393;
+        EXPORT_S3_UPLOADER_ACTOR = 394;
         YF_SYNC_SERVICE_ACTOR = 395;
         YF_SYNC_SERVICE_WORKER_ACTOR = 396;
         YF_DESCRIPTIONS_SERVICE_ACTOR = 397;
@@ -755,7 +755,7 @@ message TActivity {
         YF_REQUEST_CALL_FUNCTION_ACTOR = 440;
         SCHEME_BOARD_DB_RESOLVER = 441;
         YF_LOGGER_ACTOR = 442;
-        CONDITIONAL_ERASE_ROWS_SCAN_ACTOR = 443; 
+        CONDITIONAL_ERASE_ROWS_SCAN_ACTOR = 443;
         BLOCKSTORE_VOLUME_BALANCER = 444;
         BLOCKSTORE_DISK_REGISTRY_WORKER = 445;
         BLOCKSTORE_DISK_AGENT_WORKER = 446;
@@ -826,9 +826,9 @@ message TActivity {
         MONITORING_SERVICE = 521;
         MONITORING_REQUEST = 522;
         ACTOR_SERVICE_CACHE = 523;
-        CHANGE_SENDER_ACTOR = 524; 
-        CHANGE_SENDER_ASYNC_INDEX_ACTOR_MAIN = 525; 
-        CHANGE_SENDER_ASYNC_INDEX_ACTOR_PARTITION = 526; 
+        CHANGE_SENDER_ACTOR = 524;
+        CHANGE_SENDER_ASYNC_INDEX_ACTOR_MAIN = 525;
+        CHANGE_SENDER_ASYNC_INDEX_ACTOR_PARTITION = 526;
         YQL_GET_CONNECTIONS_REQUEST_ACTOR = 527;
         YQL_MODIFY_CONNECTIONS_REQUEST_ACTOR = 528;
         YQL_MODIFY_HISTORY_REQUEST_ACTOR = 529;
@@ -852,20 +852,20 @@ message TActivity {
         INTERCONNECT_PROXY_WRAPPER = 546;
         CLOUD_STORAGE_HIVE_PROXY = 547;
         YQL_PRIVATE_NODES_HEALTH_CHECK_ACTOR = 548;
-        CHANGE_SENDER_CDC_ACTOR_MAIN = 549; 
+        CHANGE_SENDER_CDC_ACTOR_MAIN = 549;
         KQP_TEST_WORKLOAD = 550;
-        PQ_PARTITION_WRITER_ACTOR = 551; 
-        CHANGE_SENDER_CDC_ACTOR_PARTITION = 552; 
+        PQ_PARTITION_WRITER_ACTOR = 551;
+        CHANGE_SENDER_CDC_ACTOR_PARTITION = 552;
         KQP_SESSION_ACTOR = 553;
-        CHANGE_EXCHANGE_SPLIT_ACTOR = 554; 
+        CHANGE_EXCHANGE_SPLIT_ACTOR = 554;
         BS_DEFRAG_REWRITER = 555;
         BS_DEFRAG_SCHEDULER = 556;
         BS_DEFRAG_PLANNER = 557;
-        REPLICATION_CONTROLLER_ACTOR = 558; 
-        REPLICATION_CONTROLLER_DISCOVERER = 559; 
-        REPLICATION_CONTROLLER_STREAM_CREATOR = 561; 
-        YQ_TEST_CONNECTION_ACTOR = 560; 
-        REPLICATION_CONTROLLER_DST_CREATOR = 562; 
+        REPLICATION_CONTROLLER_ACTOR = 558;
+        REPLICATION_CONTROLLER_DISCOVERER = 559;
+        REPLICATION_CONTROLLER_STREAM_CREATOR = 561;
+        YQ_TEST_CONNECTION_ACTOR = 560;
+        REPLICATION_CONTROLLER_DST_CREATOR = 562;
         BLOCKSTORE_STATS_SERVICE = 563;
     };
 };
diff --git a/ydb/core/protos/subdomains.proto b/ydb/core/protos/subdomains.proto
index 4c1c25cae8..5d665ff381 100644
--- a/ydb/core/protos/subdomains.proto
+++ b/ydb/core/protos/subdomains.proto
@@ -4,11 +4,11 @@ import "ydb/library/login/protos/login.proto";
 
 package NKikimrSubDomains;
 
-message TDomainKey { 
-    optional fixed64 SchemeShard = 1; 
-    optional fixed64 PathId = 2; 
-} 
- 
+message TDomainKey {
+    optional fixed64 SchemeShard = 1;
+    optional fixed64 PathId = 2;
+}
+
 message TSubDomainSettings {
     optional uint64 PlanResolution = 1;
     optional uint64 Coordinators = 2;
@@ -18,7 +18,7 @@ message TSubDomainSettings {
     repeated NKikimrStoragePool.TStoragePool StoragePools = 6;
     optional bool ExternalSchemeShard = 7 [default = false];
     optional bool ExternalHive = 8 [default = false];
-    optional TDomainKey ResourcesDomainKey = 9; 
+    optional TDomainKey ResourcesDomainKey = 9;
     optional bool ExternalSysViewProcessor = 10 [default = false];
     optional TSchemeQuotas DeclaredSchemeQuotas = 11;
     optional Ydb.Cms.DatabaseQuotas DatabaseQuotas = 12;
@@ -38,17 +38,17 @@ message TProcessingParams {
     //put there SubSchemeShard and SubHive at the future
 }
 
-message TDiskSpaceUsage { 
-    message TTables { 
-        // in bytes 
-        optional uint64 TotalSize = 1; 
-        optional uint64 DataSize = 2; 
-        optional uint64 IndexSize = 3; 
-    } 
- 
-    optional TTables Tables = 1; 
-} 
- 
+message TDiskSpaceUsage {
+    message TTables {
+        // in bytes
+        optional uint64 TotalSize = 1;
+        optional uint64 DataSize = 2;
+        optional uint64 IndexSize = 3;
+    }
+
+    optional TTables Tables = 1;
+}
+
 message TDomainState {
     optional bool DiskQuotaExceeded = 1;
 }
@@ -65,10 +65,10 @@ message TDomainDescription {
     optional uint64 PathsLimit = 7;
     optional uint64 ShardsInside = 8;
     optional uint64 ShardsLimit = 9;
- 
-    optional TDomainKey ResourcesDomainKey = 10; 
- 
-    optional TDiskSpaceUsage DiskSpaceUsage = 11; // TODO: temp for SLYDB-95 
+
+    optional TDomainKey ResourcesDomainKey = 10;
+
+    optional TDiskSpaceUsage DiskSpaceUsage = 11; // TODO: temp for SLYDB-95
 
     optional TSchemeQuotas DeclaredSchemeQuotas = 12;
 
diff --git a/ydb/core/protos/sys_view.proto b/ydb/core/protos/sys_view.proto
index 51953def8d..cfc0366272 100644
--- a/ydb/core/protos/sys_view.proto
+++ b/ydb/core/protos/sys_view.proto
@@ -10,12 +10,12 @@ message TPartitionStatsKey {
     optional uint64 PartIdx = 3;
 }
 
-message TTtlStats { 
-    optional uint64 LastRunTime = 1; // milliseconds since epoch 
-    optional uint64 LastRowsProcessed = 2; 
-    optional uint64 LastRowsErased = 3; 
-} 
- 
+message TTtlStats {
+    optional uint64 LastRunTime = 1; // milliseconds since epoch
+    optional uint64 LastRowsProcessed = 2;
+    optional uint64 LastRowsErased = 3;
+}
+
 message TPartitionStats {
     optional uint64 DataSize = 1;
     optional uint64 RowCount = 2;
@@ -41,8 +41,8 @@ message TPartitionStats {
     optional uint64 PlannedTxCompleted = 17;
     optional uint64 TxRejectedByOverload = 18;
     optional uint64 TxRejectedBySpace = 19;
- 
-    optional TTtlStats TtlStats = 20; 
+
+    optional TTtlStats TtlStats = 20;
 }
 
 message TPartitionStatsResult {
diff --git a/ydb/core/protos/tablet.proto b/ydb/core/protos/tablet.proto
index f90bc745ae..f0bec238e7 100644
--- a/ydb/core/protos/tablet.proto
+++ b/ydb/core/protos/tablet.proto
@@ -45,7 +45,7 @@ message TTabletTypes {
         ColumnShard = 35;
         TestShard = 36;
         SequenceShard = 37;
-        ReplicationController = 38; 
+        ReplicationController = 38;
 
         // when adding a new tablet type and keeping parse compatibility with the old version
         // rename existing reserved item to desired one, and add new reserved item to
@@ -53,7 +53,7 @@ message TTabletTypes {
         Reserved39 = 39;
         Reserved40 = 40;
         Reserved41 = 41;
-        Reserved42 = 42; 
+        Reserved42 = 42;
 
         UserTypeStart = 255;
         TypeInvalid = -1;
diff --git a/ydb/core/protos/tenant_pool.proto b/ydb/core/protos/tenant_pool.proto
index 43974a74e4..b4d39fbab7 100644
--- a/ydb/core/protos/tenant_pool.proto
+++ b/ydb/core/protos/tenant_pool.proto
@@ -24,13 +24,13 @@ message TTenantPoolConfig {
     optional string NodeType = 3;
 }
 
-enum EState { 
-    STATE_UNKNOWN = 0; 
-    TENANT_ASSIGNED = 1; 
-    TENANT_OK = 2; 
-    TENANT_UNKNOWN = 3; 
-} 
- 
+enum EState {
+    STATE_UNKNOWN = 0;
+    TENANT_ASSIGNED = 1;
+    TENANT_OK = 2;
+    TENANT_UNKNOWN = 3;
+}
+
 message TSlotStatus {
     optional string Id = 1;
     optional string Type = 2;
@@ -38,8 +38,8 @@ message TSlotStatus {
     optional NKikimrTabletBase.TMetrics ResourceLimit = 4;
     optional string Label = 5;
     repeated NKikimrSchemeOp.TUserAttribute TenantAttributes = 6;
-    optional EState State = 7; 
-    optional NKikimrSubDomains.TDomainKey DomainKey = 8; 
+    optional EState State = 7;
+    optional NKikimrSubDomains.TDomainKey DomainKey = 8;
 }
 
 message TGetStatus {
@@ -73,8 +73,8 @@ message TConfigureSlotResult {
 }
 
 message TTakeOwnership {
-    optional uint64 Generation = 1; 
-    optional uint64 SeqNo = 2; 
+    optional uint64 Generation = 1;
+    optional uint64 SeqNo = 2;
 }
 
 message TLostOwnership {
diff --git a/ydb/core/protos/tenant_slot_broker.proto b/ydb/core/protos/tenant_slot_broker.proto
index ef154371ac..bccc7f7dc7 100644
--- a/ydb/core/protos/tenant_slot_broker.proto
+++ b/ydb/core/protos/tenant_slot_broker.proto
@@ -4,7 +4,7 @@ package NKikimrTenantSlotBroker;
 option java_package = "ru.yandex.kikimr.proto";
 
 message TConfig {
-    optional uint64 PendingSlotTimeout = 1 [default = 15000000]; // 15 seconds by default 
+    optional uint64 PendingSlotTimeout = 1 [default = 15000000]; // 15 seconds by default
 }
 
 message TSlotAllocation {
@@ -55,7 +55,7 @@ message TAlterTenant {
 
 message TRegisterPool {
     optional NActorsProto.TActorId ClientId = 1;
-    optional uint64 SeqNo = 2; 
+    optional uint64 SeqNo = 2;
 }
 
 message TListTenants {
diff --git a/ydb/core/protos/tx_datashard.proto b/ydb/core/protos/tx_datashard.proto
index f7dcc0aca3..89863b2540 100644
--- a/ydb/core/protos/tx_datashard.proto
+++ b/ydb/core/protos/tx_datashard.proto
@@ -55,8 +55,8 @@ message TEvGetShardStateResult {
 message TShardOpResult {
     optional bool Success = 1;
     optional string Explain = 2;
-    optional uint64 BytesProcessed = 3; 
-    optional uint64 RowsProcessed = 4; 
+    optional uint64 BytesProcessed = 3;
+    optional uint64 RowsProcessed = 4;
 }
 
 message TEvSchemaChanged {
@@ -325,15 +325,15 @@ message TDropPersistentSnapshot {
 }
 
 message TInitiateBuildIndex {
-    optional NKikimrProto.TPathID PathId = 1; 
+    optional NKikimrProto.TPathID PathId = 1;
     optional string SnapshotName = 2;
-    optional uint64 TableSchemaVersion = 3; 
+    optional uint64 TableSchemaVersion = 3;
 
     optional NKikimrSchemeOp.TIndexDescription IndexDescription = 4;
 }
 
 message TFinalizeBuildIndex {
-    optional NKikimrProto.TPathID PathId = 1; 
+    optional NKikimrProto.TPathID PathId = 1;
 
     optional uint64 SnapshotStep = 2;
     optional uint64 SnapshotTxId = 3;
@@ -344,45 +344,45 @@ message TFinalizeBuildIndex {
 }
 
 message TDropIndexNotice {
-    // Path id of the table that the index is being dropped from 
-    optional NKikimrProto.TPathID PathId = 1; 
-    optional uint64 TableSchemaVersion = 2; 
+    // Path id of the table that the index is being dropped from
+    optional NKikimrProto.TPathID PathId = 1;
+    optional uint64 TableSchemaVersion = 2;
 
-    // Path id of the index being dropped 
-    optional NKikimrProto.TPathID IndexPathId = 3; 
+    // Path id of the index being dropped
+    optional NKikimrProto.TPathID IndexPathId = 3;
 }
 
-message TCreateCdcStreamNotice { 
-    optional NKikimrProto.TPathID PathId = 1; 
-    optional uint64 TableSchemaVersion = 2; 
+message TCreateCdcStreamNotice {
+    optional NKikimrProto.TPathID PathId = 1;
+    optional uint64 TableSchemaVersion = 2;
     optional NKikimrSchemeOp.TCdcStreamDescription StreamDescription = 3;
-} 
- 
-message TAlterCdcStreamNotice { 
-    optional NKikimrProto.TPathID PathId = 1; 
-    optional uint64 TableSchemaVersion = 2; 
+}
+
+message TAlterCdcStreamNotice {
+    optional NKikimrProto.TPathID PathId = 1;
+    optional uint64 TableSchemaVersion = 2;
     optional NKikimrSchemeOp.TCdcStreamDescription StreamDescription = 3;
-} 
- 
-message TDropCdcStreamNotice { 
-    optional NKikimrProto.TPathID PathId = 1; 
-    optional uint64 TableSchemaVersion = 2; 
-    optional NKikimrProto.TPathID StreamPathId = 3; 
-} 
- 
-message TAsyncIndexInfo { 
-} 
- 
+}
+
+message TDropCdcStreamNotice {
+    optional NKikimrProto.TPathID PathId = 1;
+    optional uint64 TableSchemaVersion = 2;
+    optional NKikimrProto.TPathID StreamPathId = 3;
+}
+
+message TAsyncIndexInfo {
+}
+
 message TMoveTable {
-    optional NKikimrProto.TPathID PathId = 1; 
+    optional NKikimrProto.TPathID PathId = 1;
     optional uint64 TableSchemaVersion = 2;
 
-    optional NKikimrProto.TPathID DstPathId = 3; 
+    optional NKikimrProto.TPathID DstPathId = 3;
     optional string DstPath = 4;
 
     message TRemapIndexPathId {
-        optional NKikimrProto.TPathID PathId = 1; 
-        optional NKikimrProto.TPathID DstPathId = 2; 
+        optional NKikimrProto.TPathID PathId = 1;
+        optional NKikimrProto.TPathID DstPathId = 2;
     }
 
     repeated TRemapIndexPathId ReMapIndexes = 5;
@@ -406,41 +406,41 @@ message TFlatSchemeTransaction {
     optional TInitiateBuildIndex InitiateBuildIndex = 12;
     optional TFinalizeBuildIndex FinalizeBuildIndex = 13;
     optional TDropIndexNotice DropIndexNotice = 14;
- 
+
     optional NKikimrSchemeOp.TRestoreTask Restore = 15;
- 
-    optional TAsyncIndexInfo AsyncIndexInfo = 16; 
+
+    optional TAsyncIndexInfo AsyncIndexInfo = 16;
 
     optional TMoveTable MoveTable = 17;
- 
-    optional TCreateCdcStreamNotice CreateCdcStreamNotice = 18; 
-    optional TAlterCdcStreamNotice AlterCdcStreamNotice = 19; 
-    optional TDropCdcStreamNotice DropCdcStreamNotice = 20; 
-}
-
-message TDistributedEraseTransaction { 
-    message TDependent { 
-        optional uint64 ShardId = 1; 
-    } 
- 
-    message TDependency { 
-        optional uint64 ShardId = 1; 
-        optional bytes PresentRows = 2; // bitmap 
-    } 
- 
-    optional TEvEraseRowsRequest EraseRowsRequest = 1; 
-    repeated TDependent Dependents = 2; 
-    repeated TDependency Dependencies = 3; 
- 
-    // Identifiers (in term of main table) & values of indexed columns 
-    repeated uint32 IndexColumnIds = 4; 
-    repeated bytes IndexColumns = 5; // SerilializedCellVector 
-} 
- 
-message TDistributedEraseRS { 
-    optional bytes ConfirmedRows = 1; // bitmap 
-} 
- 
+
+    optional TCreateCdcStreamNotice CreateCdcStreamNotice = 18;
+    optional TAlterCdcStreamNotice AlterCdcStreamNotice = 19;
+    optional TDropCdcStreamNotice DropCdcStreamNotice = 20;
+}
+
+message TDistributedEraseTransaction {
+    message TDependent {
+        optional uint64 ShardId = 1;
+    }
+
+    message TDependency {
+        optional uint64 ShardId = 1;
+        optional bytes PresentRows = 2; // bitmap
+    }
+
+    optional TEvEraseRowsRequest EraseRowsRequest = 1;
+    repeated TDependent Dependents = 2;
+    repeated TDependency Dependencies = 3;
+
+    // Identifiers (in term of main table) & values of indexed columns
+    repeated uint32 IndexColumnIds = 4;
+    repeated bytes IndexColumns = 5; // SerilializedCellVector
+}
+
+message TDistributedEraseRS {
+    optional bytes ConfirmedRows = 1; // bitmap
+}
+
 // This transaction commits all changes previously written using some WriteTxId
 message TCommitWritesTransaction {
     // TODO: add lock checking in the future
@@ -457,7 +457,7 @@ enum ETransactionKind {
     DEPRECATED_4 = 4; //TX_KIND_SNAPSHOT_POLICY
     TX_KIND_SCAN = 5;
     TX_KIND_SNAPSHOT = 6;
-    TX_KIND_DISTRIBUTED_ERASE = 7; 
+    TX_KIND_DISTRIBUTED_ERASE = 7;
     TX_KIND_COMMIT_WRITES = 8;
 
     // Values [100, inf) are used for internal datashard operation
@@ -682,7 +682,7 @@ message TEvSplitTransferSnapshot {
     optional uint64 MvccIncompleteEdgeTxId = 11;
     optional uint64 MvccLowWatermarkStep = 12;
     optional uint64 MvccLowWatermarkTxId = 13;
-    optional bool WaitForActivation = 14; 
+    optional bool WaitForActivation = 14;
 
     // Generation of the sender tablet
     optional uint64 SrcTabletGeneration = 15;
@@ -712,11 +712,11 @@ message TEvCancelBackup {
     optional uint64 TableId = 2;
 }
 
-message TEvCancelRestore { 
-    optional uint64 RestoreTxId = 1; 
-    optional uint64 TableId = 2; 
-} 
- 
+message TEvCancelRestore {
+    optional uint64 RestoreTxId = 1;
+    optional uint64 TableId = 2;
+}
+
 message TEvGetTableStats {
     optional uint64 TableId = 1;
     optional uint64 DataSizeResolution = 2;
@@ -1218,102 +1218,102 @@ message TEvMigrateSchemeShardResponse {
     optional fixed64 TabletId = 2;
 }
 
-message TExpirationCondition { 
-    // erase if valueof(ColumnId) < WallClockTimestamp 
-    optional uint32 ColumnId = 1; // Must contain date type 
-    optional uint64 WallClockTimestamp = 2; 
+message TExpirationCondition {
+    // erase if valueof(ColumnId) < WallClockTimestamp
+    optional uint32 ColumnId = 1; // Must contain date type
+    optional uint64 WallClockTimestamp = 2;
     optional NKikimrSchemeOp.TTTLSettings.EUnit ColumnUnit = 3;
-} 
- 
-message TEvEraseRowsRequest { 
-    optional uint64 TableId = 1; 
-    repeated uint32 KeyColumnIds = 2; 
-    repeated bytes KeyColumns = 3; // SerilializedCellVector 
-    optional uint64 SchemaVersion = 5; 
- 
-    oneof Condition { 
-        TExpirationCondition Expiration = 4; 
-    } 
-} 
- 
-message TEvEraseRowsResponse { 
-    enum EStatus { 
-        OK = 0; 
-        BAD_REQUEST = 1; 
-        SCHEME_ERROR = 2; 
-        EXEC_ERROR = 3; 
-        WRONG_SHARD_STATE = 4; 
-        UNKNOWN = 5; 
-        // coordinator 
-        COORDINATOR_DECLINED = 10; 
-        COORDINATOR_UNKNOWN = 11; 
-        // shard 
-        SHARD_NOT_AVAILABLE = 20; 
-        SHARD_ABORTED = 21; 
-        SHARD_CANCELLED = 22; 
-        SHARD_RESULT_UNAVAILABLE = 23; 
-        SHARD_OVERLOADED = 24; 
-        SHARD_TRY_LATER = 25; 
-        SHARD_EXEC_ERROR = 26; 
-        SHARD_UNKNOWN = 27; 
-    } 
- 
-    optional uint64 TabletID = 1; 
-    optional EStatus Status = 2; 
-    optional string ErrorDescription = 3; 
-} 
- 
-message TEvConditionalEraseRowsRequest { 
-    message TIndexDescription { 
-        message TKeyMap { 
-            optional uint32 IndexColumnId = 1; 
-            optional uint32 MainColumnId = 2; 
-        } 
- 
-        optional uint64 OwnerId = 1; 
-        optional uint64 PathId = 2; 
-        optional uint64 SchemaVersion = 3; 
-        repeated TKeyMap KeyMap = 4; // sorted 
-    }; 
- 
-    message TLimits { 
-        optional uint32 BatchMaxBytes = 1 [default = 512000]; 
-        optional uint32 BatchMinKeys = 2 [default = 1000]; 
-        optional uint32 BatchMaxKeys = 3 [default = 50000]; 
-    }; 
- 
-    optional uint64 TableId = 1; 
-    optional uint64 SchemaVersion = 3; 
-    repeated TIndexDescription Indexes = 4; 
-    optional TLimits Limits = 5; 
- 
-    oneof Condition { 
-        TExpirationCondition Expiration = 2; 
-    } 
-} 
- 
-message TEvConditionalEraseRowsResponse { 
-    enum EStatus { 
-        ACCEPTED = 0; 
-        PARTIAL = 1; 
-        OK = 2; 
-        BAD_REQUEST = 3; 
-        ABORTED = 4; 
-        ERASE_ERROR = 5; // error during underlying erase execution 
-        OVERLOADED = 6; // another conditional erase in flight 
-        SCHEME_ERROR = 7; 
-    } 
- 
-    message TStats { 
-        optional uint64 RowsProcessed = 1; 
-        optional uint64 RowsErased = 2; 
-    } 
- 
-    optional uint64 TabletID = 1; 
-    optional EStatus Status = 2; 
-    optional string ErrorDescription = 3; 
-    optional TStats Stats = 4; 
-} 
+}
+
+message TEvEraseRowsRequest {
+    optional uint64 TableId = 1;
+    repeated uint32 KeyColumnIds = 2;
+    repeated bytes KeyColumns = 3; // SerilializedCellVector
+    optional uint64 SchemaVersion = 5;
+
+    oneof Condition {
+        TExpirationCondition Expiration = 4;
+    }
+}
+
+message TEvEraseRowsResponse {
+    enum EStatus {
+        OK = 0;
+        BAD_REQUEST = 1;
+        SCHEME_ERROR = 2;
+        EXEC_ERROR = 3;
+        WRONG_SHARD_STATE = 4;
+        UNKNOWN = 5;
+        // coordinator
+        COORDINATOR_DECLINED = 10;
+        COORDINATOR_UNKNOWN = 11;
+        // shard
+        SHARD_NOT_AVAILABLE = 20;
+        SHARD_ABORTED = 21;
+        SHARD_CANCELLED = 22;
+        SHARD_RESULT_UNAVAILABLE = 23;
+        SHARD_OVERLOADED = 24;
+        SHARD_TRY_LATER = 25;
+        SHARD_EXEC_ERROR = 26;
+        SHARD_UNKNOWN = 27;
+    }
+
+    optional uint64 TabletID = 1;
+    optional EStatus Status = 2;
+    optional string ErrorDescription = 3;
+}
+
+message TEvConditionalEraseRowsRequest {
+    message TIndexDescription {
+        message TKeyMap {
+            optional uint32 IndexColumnId = 1;
+            optional uint32 MainColumnId = 2;
+        }
+
+        optional uint64 OwnerId = 1;
+        optional uint64 PathId = 2;
+        optional uint64 SchemaVersion = 3;
+        repeated TKeyMap KeyMap = 4; // sorted
+    };
+
+    message TLimits {
+        optional uint32 BatchMaxBytes = 1 [default = 512000];
+        optional uint32 BatchMinKeys = 2 [default = 1000];
+        optional uint32 BatchMaxKeys = 3 [default = 50000];
+    };
+
+    optional uint64 TableId = 1;
+    optional uint64 SchemaVersion = 3;
+    repeated TIndexDescription Indexes = 4;
+    optional TLimits Limits = 5;
+
+    oneof Condition {
+        TExpirationCondition Expiration = 2;
+    }
+}
+
+message TEvConditionalEraseRowsResponse {
+    enum EStatus {
+        ACCEPTED = 0;
+        PARTIAL = 1;
+        OK = 2;
+        BAD_REQUEST = 3;
+        ABORTED = 4;
+        ERASE_ERROR = 5; // error during underlying erase execution
+        OVERLOADED = 6; // another conditional erase in flight
+        SCHEME_ERROR = 7;
+    }
+
+    message TStats {
+        optional uint64 RowsProcessed = 1;
+        optional uint64 RowsErased = 2;
+    }
+
+    optional uint64 TabletID = 1;
+    optional EStatus Status = 2;
+    optional string ErrorDescription = 3;
+    optional TStats Stats = 4;
+}
 
 message TEvBuildIndexCreateRequest {
     optional uint64 BuildIndexId = 1;          // unique id of build index proccess
@@ -1399,7 +1399,7 @@ message TEvKqpScan {
 }
 
 message TEvCompactTable {
-    optional NKikimrProto.TPathID PathId = 1; 
+    optional NKikimrProto.TPathID PathId = 1;
     optional bool CompactBorrowed = 2;
 }
 
@@ -1411,16 +1411,16 @@ message TEvCompactTableResult {
     };
 
     optional uint64 TabletId = 1;
-    optional NKikimrProto.TPathID PathId = 2; 
+    optional NKikimrProto.TPathID PathId = 2;
     optional EStatus Status = 3;
 }
 
 message TEvCompactBorrowed {
-    optional NKikimrProto.TPathID PathId = 1; 
+    optional NKikimrProto.TPathID PathId = 1;
 }
 
 message TEvGetCompactTableStats {
-    optional NKikimrProto.TPathID PathId = 1; 
+    optional NKikimrProto.TPathID PathId = 1;
 }
 
 message TEvGetCompactTableStatsResult {
diff --git a/ydb/core/protos/tx_proxy.proto b/ydb/core/protos/tx_proxy.proto
index d3572272aa..dedd2f9cbb 100644
--- a/ydb/core/protos/tx_proxy.proto
+++ b/ydb/core/protos/tx_proxy.proto
@@ -192,8 +192,8 @@ message TEvProposeTransaction {
     optional string UserToken = 4; // already built and serialized user's token
     optional bool StreamResponse = 5;
     optional uint64 CancelAfterMs = 6;
-    optional string DatabaseName = 7; 
-    optional string RequestType = 8; 
+    optional string DatabaseName = 7;
+    optional string RequestType = 8;
 }
 
 message TTxProxyTimings {
@@ -254,7 +254,7 @@ message TEvNavigate {
     optional NKikimrSchemeOp.TDescribePath DescribePath = 5;
 
     optional string UserToken = 6; // already built and serialized user's token
-    optional string DatabaseName = 7; 
+    optional string DatabaseName = 7;
 }
 
 // This message is no longer used
@@ -275,26 +275,26 @@ message TEvInvalidateTable {
     optional uint64 TableId = 2;
 }
 
-message TEvExportRequest { 
-    optional string DatabaseName = 1; 
-    optional string UserToken = 2; 
-    oneof Request { 
-        NKikimrExport.TCreateExportRequest CreateExport = 3; 
-        NKikimrExport.TGetExportRequest GetExport = 4; 
-        NKikimrExport.TCancelExportRequest CancelExport = 5; 
-        NKikimrExport.TForgetExportRequest ForgetExport = 6; 
-        NKikimrExport.TListExportsRequest ListExports = 7; 
-    } 
+message TEvExportRequest {
+    optional string DatabaseName = 1;
+    optional string UserToken = 2;
+    oneof Request {
+        NKikimrExport.TCreateExportRequest CreateExport = 3;
+        NKikimrExport.TGetExportRequest GetExport = 4;
+        NKikimrExport.TCancelExportRequest CancelExport = 5;
+        NKikimrExport.TForgetExportRequest ForgetExport = 6;
+        NKikimrExport.TListExportsRequest ListExports = 7;
+    }
 }
 
-message TEvExportResponse { 
+message TEvExportResponse {
     optional uint32 Status = 1;
-    optional string ErrorDescription = 7; 
-    oneof Response { 
-        NKikimrExport.TCreateExportResponse CreateExport = 2; 
-        NKikimrExport.TGetExportResponse GetExport = 3; 
-        NKikimrExport.TCancelExportResponse CancelExport = 4; 
-        NKikimrExport.TForgetExportResponse ForgetExport = 5; 
-        NKikimrExport.TListExportsResponse ListExports = 6; 
-    } 
+    optional string ErrorDescription = 7;
+    oneof Response {
+        NKikimrExport.TCreateExportResponse CreateExport = 2;
+        NKikimrExport.TGetExportResponse GetExport = 3;
+        NKikimrExport.TCancelExportResponse CancelExport = 4;
+        NKikimrExport.TForgetExportResponse ForgetExport = 5;
+        NKikimrExport.TListExportsResponse ListExports = 6;
+    }
 }
diff --git a/ydb/core/protos/tx_sequenceshard.proto b/ydb/core/protos/tx_sequenceshard.proto
index d35f7d89f0..dd3d203250 100644
--- a/ydb/core/protos/tx_sequenceshard.proto
+++ b/ydb/core/protos/tx_sequenceshard.proto
@@ -1,5 +1,5 @@
 syntax = "proto3";
-import "ydb/core/protos/base.proto"; 
+import "ydb/core/protos/base.proto";
 
 package NKikimrTxSequenceShard;
 option java_package = "ru.yandex.kikimr.proto";
@@ -18,7 +18,7 @@ message TEvMarkSchemeShardPipe {
 }
 
 message TEvCreateSequence {
-    NKikimrProto.TPathID PathId = 1; 
+    NKikimrProto.TPathID PathId = 1;
     uint64 TxId = 2;
     uint64 TxPartId = 3;
     oneof OptionalMinValue {
@@ -56,7 +56,7 @@ message TEvCreateSequenceResult {
 }
 
 message TEvAllocateSequence {
-    NKikimrProto.TPathID PathId = 1; 
+    NKikimrProto.TPathID PathId = 1;
     uint64 Cache = 2;
 }
 
@@ -80,7 +80,7 @@ message TEvAllocateSequenceResult {
 }
 
 message TEvDropSequence {
-    NKikimrProto.TPathID PathId = 1; 
+    NKikimrProto.TPathID PathId = 1;
     uint64 TxId = 2;
     uint64 TxPartId = 3;
 }
@@ -100,7 +100,7 @@ message TEvDropSequenceResult {
 }
 
 message TEvUpdateSequence {
-    NKikimrProto.TPathID PathId = 1; 
+    NKikimrProto.TPathID PathId = 1;
     uint64 TxId = 2;
     uint64 TxPartId = 3;
     oneof ChangeMinValue {
@@ -147,7 +147,7 @@ message TEvUpdateSequenceResult {
 }
 
 message TEvFreezeSequence {
-    NKikimrProto.TPathID PathId = 1; 
+    NKikimrProto.TPathID PathId = 1;
     uint64 TxId = 2;
     uint64 TxPartId = 3;
 }
@@ -177,7 +177,7 @@ message TEvFreezeSequenceResult {
 }
 
 message TEvRestoreSequence {
-    NKikimrProto.TPathID PathId = 1; 
+    NKikimrProto.TPathID PathId = 1;
     uint64 TxId = 2;
     uint64 TxPartId = 3;
     sint64 MinValue = 4;
@@ -205,7 +205,7 @@ message TEvRestoreSequenceResult {
 }
 
 message TEvRedirectSequence {
-    NKikimrProto.TPathID PathId = 1; 
+    NKikimrProto.TPathID PathId = 1;
     uint64 TxId = 2;
     uint64 TxPartId = 3;
     uint64 RedirectTo = 4;
diff --git a/ydb/core/protos/ya.make b/ydb/core/protos/ya.make
index 4316b62417..70bb65514c 100644
--- a/ydb/core/protos/ya.make
+++ b/ydb/core/protos/ya.make
@@ -27,7 +27,7 @@ SRCS(
     blockstore_config.proto
     filestore_config.proto
     bootstrapper.proto
-    change_exchange.proto 
+    change_exchange.proto
     channel_purpose.proto
     cms.proto
     config.proto
@@ -46,7 +46,7 @@ SRCS(
     counters_keyvalue.proto
     counters_olapshard.proto
     counters_pq.proto
-    counters_replication.proto 
+    counters_replication.proto
     counters_schemeshard.proto
     counters_sequenceshard.proto
     counters_sysview_processor.proto
@@ -56,13 +56,13 @@ SRCS(
     counters.proto
     database_basic_sausage_metainfo.proto
     drivemodel.proto
-    export.proto 
+    export.proto
     flat_tx_scheme.proto
     flat_scheme_op.proto
     health.proto
     hive.proto
     http_config.proto
-    import.proto 
+    import.proto
     index_builder.proto
     issue_id.proto
     kesus.proto
@@ -83,7 +83,7 @@ SRCS(
     node_limits.proto
     profiler.proto
     query_stats.proto
-    replication.proto 
+    replication.proto
     resource_broker.proto
     scheme_log.proto
     scheme_type_metadata.proto
@@ -126,8 +126,8 @@ SRCS(
     grpc_status_proxy.proto
     ydb_result_set_old.proto
     ydb_table_impl.proto
-    scheme_board.proto 
-    scheme_board_mon.proto 
+    scheme_board.proto
+    scheme_board_mon.proto
     sys_view.proto
 )
 
diff --git a/ydb/core/scheme/scheme_tabledefs.h b/ydb/core/scheme/scheme_tabledefs.h
index d9ca2273ab..190233fdee 100644
--- a/ydb/core/scheme/scheme_tabledefs.h
+++ b/ydb/core/scheme/scheme_tabledefs.h
@@ -28,42 +28,42 @@ struct TTableId {
 
     TTableId() = default;
 
-    // raw ctors 
-    TTableId(ui64 ownerId, ui64 tableId, const TString& sysViewInfo, ui64 schemaVersion) 
+    // raw ctors
+    TTableId(ui64 ownerId, ui64 tableId, const TString& sysViewInfo, ui64 schemaVersion)
         : PathId(ownerId, tableId)
-        , SysViewInfo(sysViewInfo) 
-        , SchemaVersion(schemaVersion) 
+        , SysViewInfo(sysViewInfo)
+        , SchemaVersion(schemaVersion)
+    {}
+
+    TTableId(ui64 ownerId, ui64 tableId, const TString& sysViewInfo)
+        : TTableId(ownerId, tableId, sysViewInfo, 0)
     {}
 
-    TTableId(ui64 ownerId, ui64 tableId, const TString& sysViewInfo) 
-        : TTableId(ownerId, tableId, sysViewInfo, 0) 
-    {} 
- 
     TTableId(ui64 ownerId, ui64 tableId, ui64 schemaVersion)
-        : TTableId(ownerId, tableId, TString(), schemaVersion) 
+        : TTableId(ownerId, tableId, TString(), schemaVersion)
+    {}
+
+    TTableId(ui64 ownerId, ui64 tableId)
+        : TTableId(ownerId, tableId, TString(), 0)
+    {}
+
+    // ctors from TPathId
+    TTableId(const TPathId& pathId, const TString& sysViewInfo, ui64 schemaVersion)
+        : TTableId(pathId.OwnerId, pathId.LocalPathId, sysViewInfo, schemaVersion)
+    {}
+
+    TTableId(const TPathId& pathId, const TString& sysViewInfo)
+        : TTableId(pathId, sysViewInfo, 0)
     {}
 
-    TTableId(ui64 ownerId, ui64 tableId) 
-        : TTableId(ownerId, tableId, TString(), 0) 
+    TTableId(const TPathId& pathId, ui64 schemaVersion)
+        : TTableId(pathId, TString(), schemaVersion)
     {}
 
-    // ctors from TPathId 
-    TTableId(const TPathId& pathId, const TString& sysViewInfo, ui64 schemaVersion) 
-        : TTableId(pathId.OwnerId, pathId.LocalPathId, sysViewInfo, schemaVersion) 
+    TTableId(const TPathId& pathId)
+        : TTableId(pathId, TString(), 0)
     {}
 
-    TTableId(const TPathId& pathId, const TString& sysViewInfo) 
-        : TTableId(pathId, sysViewInfo, 0) 
-    {} 
- 
-    TTableId(const TPathId& pathId, ui64 schemaVersion) 
-        : TTableId(pathId, TString(), schemaVersion) 
-    {} 
- 
-    TTableId(const TPathId& pathId) 
-        : TTableId(pathId, TString(), 0) 
-    {} 
- 
     explicit operator bool() const noexcept {
         return bool(PathId);
     }
diff --git a/ydb/core/sys_view/common/events.h b/ydb/core/sys_view/common/events.h
index 724bfeb175..6e19aadc2b 100644
--- a/ydb/core/sys_view/common/events.h
+++ b/ydb/core/sys_view/common/events.h
@@ -61,8 +61,8 @@ struct TEvSysView {
         EvSendDbCountersResponse,
         EvWatchDatabase,
 
-        EvUpdateTtlStats, 
- 
+        EvUpdateTtlStats,
+
         EvGetStorageStatsRequest,
         EvGetStorageStatsResponse,
 
@@ -336,23 +336,23 @@ struct TEvSysView {
             : PathId(pathId)
         {}
     };
- 
-    struct TEvUpdateTtlStats : public TEventLocal< 
-        TEvUpdateTtlStats, 
-        EvUpdateTtlStats> 
-    { 
-        TPathId DomainKey; 
-        TPathId PathId; 
-        TShardIdx ShardIdx; 
- 
-        NKikimrSysView::TTtlStats Stats; 
- 
-        TEvUpdateTtlStats(TPathId domainKey, TPathId pathId, TShardIdx shardIdx) 
-            : DomainKey(domainKey) 
-            , PathId(pathId) 
-            , ShardIdx(shardIdx) 
-        {} 
-    }; 
+
+    struct TEvUpdateTtlStats : public TEventLocal<
+        TEvUpdateTtlStats,
+        EvUpdateTtlStats>
+    {
+        TPathId DomainKey;
+        TPathId PathId;
+        TShardIdx ShardIdx;
+
+        NKikimrSysView::TTtlStats Stats;
+
+        TEvUpdateTtlStats(TPathId domainKey, TPathId pathId, TShardIdx shardIdx)
+            : DomainKey(domainKey)
+            , PathId(pathId)
+            , ShardIdx(shardIdx)
+        {}
+    };
 
     struct TEvGetStorageStatsRequest
         : TEventPB<TEvGetStorageStatsRequest, NKikimrSysView::TEvGetStorageStatsRequest, EvGetStorageStatsRequest>
diff --git a/ydb/core/sys_view/common/scan_actor_base_impl.h b/ydb/core/sys_view/common/scan_actor_base_impl.h
index 5f39a7e7e1..298a8efbc0 100644
--- a/ydb/core/sys_view/common/scan_actor_base_impl.h
+++ b/ydb/core/sys_view/common/scan_actor_base_impl.h
@@ -233,7 +233,7 @@ private:
             return;
         }
 
-        SchemeShardId = entry.DomainInfo->ExtractSchemeShard(); 
+        SchemeShardId = entry.DomainInfo->ExtractSchemeShard();
 
         if (entry.DomainInfo->Params.HasSysViewProcessor()) {
             SysViewProcessorId = entry.DomainInfo->Params.GetSysViewProcessor();
diff --git a/ydb/core/sys_view/common/schema.h b/ydb/core/sys_view/common/schema.h
index 559fe2c397..f7a4f191e1 100644
--- a/ydb/core/sys_view/common/schema.h
+++ b/ydb/core/sys_view/common/schema.h
@@ -58,9 +58,9 @@ struct Schema : NIceDb::Schema {
         struct CoordinatedTxCompleted : Column<21, NScheme::NTypeIds::Uint64> {};
         struct TxRejectedByOverload : Column<22, NScheme::NTypeIds::Uint64> {};
         struct TxRejectedByOutOfStorage : Column<23, NScheme::NTypeIds::Uint64> {};
-        struct LastTtlRunTime       : Column<24, NScheme::NTypeIds::Timestamp> {}; 
-        struct LastTtlRowsProcessed : Column<25, NScheme::NTypeIds::Uint64> {}; 
-        struct LastTtlRowsErased    : Column<26, NScheme::NTypeIds::Uint64> {}; 
+        struct LastTtlRunTime       : Column<24, NScheme::NTypeIds::Timestamp> {};
+        struct LastTtlRowsProcessed : Column<25, NScheme::NTypeIds::Uint64> {};
+        struct LastTtlRowsErased    : Column<26, NScheme::NTypeIds::Uint64> {};
 
         using TKey = TableKey<OwnerId, PathId, PartIdx>;
         using TColumns = TableColumns<
@@ -86,10 +86,10 @@ struct Schema : NIceDb::Schema {
             ImmediateTxCompleted,
             CoordinatedTxCompleted,
             TxRejectedByOverload,
-            TxRejectedByOutOfStorage, 
-            LastTtlRunTime, 
-            LastTtlRowsProcessed, 
-            LastTtlRowsErased>; 
+            TxRejectedByOutOfStorage,
+            LastTtlRunTime,
+            LastTtlRowsProcessed,
+            LastTtlRowsErased>;
     };
 
     struct Nodes : Table<2> {
diff --git a/ydb/core/sys_view/partition_stats/partition_stats.cpp b/ydb/core/sys_view/partition_stats/partition_stats.cpp
index 04076f0cf7..d6ea9ff73b 100644
--- a/ydb/core/sys_view/partition_stats/partition_stats.cpp
+++ b/ydb/core/sys_view/partition_stats/partition_stats.cpp
@@ -31,7 +31,7 @@ public:
             hFunc(TEvSysView::TEvSetPartitioning, Handle);
             hFunc(TEvSysView::TEvRemoveTable, Handle);
             hFunc(TEvSysView::TEvSendPartitionStats, Handle);
-            hFunc(TEvSysView::TEvUpdateTtlStats, Handle); 
+            hFunc(TEvSysView::TEvUpdateTtlStats, Handle);
             hFunc(TEvSysView::TEvGetPartitionStats, Handle);
             hFunc(TEvPrivate::TEvProcess, Handle);
             cFunc(TEvents::TEvPoison::EventType, PassAway);
@@ -99,30 +99,30 @@ private:
             return;
         }
 
-        auto& oldStats = it->second.Partitions[shardIdx]; 
-        auto& newStats = ev->Get()->Stats; 
- 
-        if (oldStats.HasTtlStats()) { 
-            newStats.MutableTtlStats()->Swap(oldStats.MutableTtlStats()); 
-        } 
- 
-        oldStats.Swap(&newStats); 
+        auto& oldStats = it->second.Partitions[shardIdx];
+        auto& newStats = ev->Get()->Stats;
+
+        if (oldStats.HasTtlStats()) {
+            newStats.MutableTtlStats()->Swap(oldStats.MutableTtlStats());
+        }
+
+        oldStats.Swap(&newStats);
+    }
+
+    void Handle(TEvSysView::TEvUpdateTtlStats::TPtr& ev) {
+        const auto& domainKey = ev->Get()->DomainKey;
+        const auto& pathId = ev->Get()->PathId;
+        const auto& shardIdx = ev->Get()->ShardIdx;
+
+        auto& tables = DomainTables[domainKey];
+        auto it = tables.find(pathId);
+        if (it == tables.end()) {
+            return;
+        }
+
+        it->second.Partitions[shardIdx].MutableTtlStats()->Swap(&ev->Get()->Stats);
     }
 
-    void Handle(TEvSysView::TEvUpdateTtlStats::TPtr& ev) { 
-        const auto& domainKey = ev->Get()->DomainKey; 
-        const auto& pathId = ev->Get()->PathId; 
-        const auto& shardIdx = ev->Get()->ShardIdx; 
- 
-        auto& tables = DomainTables[domainKey]; 
-        auto it = tables.find(pathId); 
-        if (it == tables.end()) { 
-            return; 
-        } 
- 
-        it->second.Partitions[shardIdx].MutableTtlStats()->Swap(&ev->Get()->Stats); 
-    } 
- 
     void Handle(TEvSysView::TEvGetPartitionStats::TPtr& ev) {
         if (PendingRequests.size() >= PendingRequestsLimit) {
             auto result = MakeHolder<TEvSysView::TEvGetPartitionStatsResult>();
@@ -490,15 +490,15 @@ private:
                 insert({TSchema::TxRejectedByOutOfStorage::ColumnId, [] (const TPartitionStats& s) {
                     return TCell::Make<ui64>(s.GetStats().GetTxRejectedBySpace());
                 }});
-                insert({TSchema::LastTtlRunTime::ColumnId, [] (const TPartitionStats& s) { 
-                    return s.GetStats().HasTtlStats() ? TCell::Make<ui64>(s.GetStats().GetTtlStats().GetLastRunTime() * 1000) : TCell(); 
-                }}); 
-                insert({TSchema::LastTtlRowsProcessed::ColumnId, [] (const TPartitionStats& s) { 
-                    return s.GetStats().HasTtlStats() ? TCell::Make<ui64>(s.GetStats().GetTtlStats().GetLastRowsProcessed()) : TCell(); 
-                }}); 
-                insert({TSchema::LastTtlRowsErased::ColumnId, [] (const TPartitionStats& s) { 
-                    return s.GetStats().HasTtlStats() ? TCell::Make<ui64>(s.GetStats().GetTtlStats().GetLastRowsErased()) : TCell(); 
-                }}); 
+                insert({TSchema::LastTtlRunTime::ColumnId, [] (const TPartitionStats& s) {
+                    return s.GetStats().HasTtlStats() ? TCell::Make<ui64>(s.GetStats().GetTtlStats().GetLastRunTime() * 1000) : TCell();
+                }});
+                insert({TSchema::LastTtlRowsProcessed::ColumnId, [] (const TPartitionStats& s) {
+                    return s.GetStats().HasTtlStats() ? TCell::Make<ui64>(s.GetStats().GetTtlStats().GetLastRowsProcessed()) : TCell();
+                }});
+                insert({TSchema::LastTtlRowsErased::ColumnId, [] (const TPartitionStats& s) {
+                    return s.GetStats().HasTtlStats() ? TCell::Make<ui64>(s.GetStats().GetTtlStats().GetLastRowsErased()) : TCell();
+                }});
             }
         };
         static TExtractorsMap extractors;
diff --git a/ydb/core/sys_view/processor/tx_init_schema.cpp b/ydb/core/sys_view/processor/tx_init_schema.cpp
index 04f439e78b..e0485d741f 100644
--- a/ydb/core/sys_view/processor/tx_init_schema.cpp
+++ b/ydb/core/sys_view/processor/tx_init_schema.cpp
@@ -38,7 +38,7 @@ struct TSysViewProcessor::TTxInitSchema : public TTxBase {
     void Complete(const TActorContext& ctx) override {
         SVLOG_D("[" << Self->TabletID() << "] TTxInitSchema::Complete");
 
-        if (!AppData()->FeatureFlags.GetEnablePersistentQueryStats()) { 
+        if (!AppData()->FeatureFlags.GetEnablePersistentQueryStats()) {
             SVLOG_D("[" << Self->TabletID() << "] tablet is offline");
             Self->SignalTabletActive(ctx);
             Self->Become(&TThis::StateOffline);
diff --git a/ydb/core/sys_view/query_stats/query_stats.cpp b/ydb/core/sys_view/query_stats/query_stats.cpp
index b3052090c2..918c9b781e 100644
--- a/ydb/core/sys_view/query_stats/query_stats.cpp
+++ b/ydb/core/sys_view/query_stats/query_stats.cpp
@@ -179,7 +179,7 @@ private:
     }
 
     void StartScan() {
-        if (AppData()->FeatureFlags.GetEnablePersistentQueryStats() && this->SysViewProcessorId) { 
+        if (AppData()->FeatureFlags.GetEnablePersistentQueryStats() && this->SysViewProcessorId) {
             RequestBatch();
         } else {
             StartOldScan();
diff --git a/ydb/core/sys_view/service/sysview_service.cpp b/ydb/core/sys_view/service/sysview_service.cpp
index ae8d417bb1..1f56906599 100644
--- a/ydb/core/sys_view/service/sysview_service.cpp
+++ b/ydb/core/sys_view/service/sysview_service.cpp
@@ -26,7 +26,7 @@ void CollectQueryStats(const TActorContext& ctx, const NKqpProto::TKqpStatsQuery
     const TString& userSID, ui64 parametersSize, const TString& database,
     const NKikimrKqp::EQueryType type, ui64 requestUnits)
 {
-    if (!AppData()->FeatureFlags.GetEnableSystemViews()) { 
+    if (!AppData()->FeatureFlags.GetEnableSystemViews()) {
         return;
     }
 
@@ -339,7 +339,7 @@ public:
 
         ScanLimiter = MakeIntrusive<TScanLimiter>(ConcurrentScansLimit);
 
-        if (AppData()->FeatureFlags.GetEnablePersistentQueryStats()) { 
+        if (AppData()->FeatureFlags.GetEnablePersistentQueryStats()) {
             IntervalEnd = GetNextIntervalEnd();
             Schedule(IntervalEnd, new TEvPrivate::TEvProcessInterval(IntervalEnd));
         }
@@ -660,7 +660,7 @@ private:
     void Handle(TEvSysView::TEvGetIntervalMetricsRequest::TPtr& ev) {
         auto response = MakeHolder<TEvSysView::TEvGetIntervalMetricsResponse>();
 
-        if (!AppData()->FeatureFlags.GetEnablePersistentQueryStats()) { 
+        if (!AppData()->FeatureFlags.GetEnablePersistentQueryStats()) {
             Send(ev->Sender, std::move(response), 0, ev->Cookie);
             return;
         }
@@ -928,7 +928,7 @@ private:
             << ", query hash# " << stats->GetQueryTextHash()
             << ", cpu time# " << stats->GetTotalCpuTimeUs());
 
-        if (AppData()->FeatureFlags.GetEnablePersistentQueryStats() && !database.empty()) { 
+        if (AppData()->FeatureFlags.GetEnablePersistentQueryStats() && !database.empty()) {
             auto queryEnd = TInstant::MilliSeconds(stats->GetEndTimeMs());
             if (queryEnd < IntervalEnd - TotalInterval) {
                 return;
diff --git a/ydb/core/sys_view/ut_kqp.cpp b/ydb/core/sys_view/ut_kqp.cpp
index b68f5cf0e4..5e90eb5992 100644
--- a/ydb/core/sys_view/ut_kqp.cpp
+++ b/ydb/core/sys_view/ut_kqp.cpp
@@ -177,12 +177,12 @@ public:
         UNIT_ASSERT_GE(value.AsUint64(), expected);
     }
 
-    void Uint64LessOrEquals(ui64 expected) { 
-        const auto& value = ExtractOptional(*RowIterator++); 
-        UNIT_ASSERT(value.IsUint64()); 
-        UNIT_ASSERT_LE(value.AsUint64(), expected); 
-    } 
- 
+    void Uint64LessOrEquals(ui64 expected) {
+        const auto& value = ExtractOptional(*RowIterator++);
+        UNIT_ASSERT(value.IsUint64());
+        UNIT_ASSERT_LE(value.AsUint64(), expected);
+    }
+
     void Int64(i64 expected) {
         const auto& value = ExtractOptional(*RowIterator++);
         UNIT_ASSERT(value.IsInt64());
@@ -316,7 +316,7 @@ Y_UNIT_TEST_SUITE(SystemView) {
         return; // table is currenty switched off
 
         TTestEnv env;
-        CreateTenantsAndTables(env, false); 
+        CreateTenantsAndTables(env, false);
         TTableClient client(env.GetDriver());
         {
             auto it = client.StreamExecuteScanQuery(R"(
@@ -633,60 +633,60 @@ Y_UNIT_TEST_SUITE(SystemView) {
         check.Null(); // UserSID
     }
 
-    Y_UNIT_TEST(PartitionStatsTtlFields) { 
-        TTestEnv env; 
-        env.GetClient().CreateTable("/Root", R"( 
-            Name: "Table0" 
-            Columns { Name: "Key", Type: "Uint64" } 
-            Columns { Name: "CreatedAt", Type: "Timestamp" } 
-            KeyColumnNames: ["Key"] 
-            TTLSettings { 
-              Enabled { 
-                ColumnName: "CreatedAt" 
-              } 
-            } 
-        )"); 
- 
-        TTableClient client(env.GetDriver()); 
-        auto session = client.CreateSession().GetValueSync().GetSession(); 
-        NKqp::AssertSuccessResult(session.ExecuteDataQuery( 
-            "REPLACE INTO `Root/Table0` (Key, CreatedAt) VALUES (0u, CAST(0 AS Timestamp));", 
-            TTxControl::BeginTx().CommitTx() 
-        ).GetValueSync()); 
- 
-        // wait for conditional erase 
-        for (size_t iter = 0; iter < 70; ++iter) { 
-            auto result = session.ExecuteDataQuery( 
-                "SELECT * FROM `Root/Table0`;", TTxControl::BeginTx().CommitTx() 
-            ).ExtractValueSync(); 
- 
-            UNIT_ASSERT_C(result.IsSuccess(), result.GetIssues().ToString()); 
-            auto ysonString = FormatResultSetYson(result.GetResultSet(0)); 
-            if (ysonString == "[[#]]") { 
-                break; 
-            } 
- 
-            Sleep(TDuration::Seconds(1)); 
-        } 
- 
-        auto it = client.StreamExecuteScanQuery(R"( 
-            SELECT 
-                LastTtlRunTime, 
-                LastTtlRowsProcessed, 
-                LastTtlRowsErased 
-            FROM `/Root/.sys/partition_stats`; 
-        )").GetValueSync(); 
- 
-        UNIT_ASSERT_C(it.IsSuccess(), it.GetIssues().ToString()); 
-        auto ysonString = NKqp::StreamResultToYson(it); 
- 
-        TYsonFieldChecker check(ysonString, 3); 
- 
-        check.Uint64LessOrEquals(TInstant::Now().MicroSeconds()); // LastTtlRunTime 
-        check.Uint64(1u); // LastTtlRowsProcessed 
-        check.Uint64(1u); // LastTtlRowsErased 
-    } 
- 
+    Y_UNIT_TEST(PartitionStatsTtlFields) {
+        TTestEnv env;
+        env.GetClient().CreateTable("/Root", R"(
+            Name: "Table0"
+            Columns { Name: "Key", Type: "Uint64" }
+            Columns { Name: "CreatedAt", Type: "Timestamp" }
+            KeyColumnNames: ["Key"]
+            TTLSettings {
+              Enabled {
+                ColumnName: "CreatedAt"
+              }
+            }
+        )");
+
+        TTableClient client(env.GetDriver());
+        auto session = client.CreateSession().GetValueSync().GetSession();
+        NKqp::AssertSuccessResult(session.ExecuteDataQuery(
+            "REPLACE INTO `Root/Table0` (Key, CreatedAt) VALUES (0u, CAST(0 AS Timestamp));",
+            TTxControl::BeginTx().CommitTx()
+        ).GetValueSync());
+
+        // wait for conditional erase
+        for (size_t iter = 0; iter < 70; ++iter) {
+            auto result = session.ExecuteDataQuery(
+                "SELECT * FROM `Root/Table0`;", TTxControl::BeginTx().CommitTx()
+            ).ExtractValueSync();
+
+            UNIT_ASSERT_C(result.IsSuccess(), result.GetIssues().ToString());
+            auto ysonString = FormatResultSetYson(result.GetResultSet(0));
+            if (ysonString == "[[#]]") {
+                break;
+            }
+
+            Sleep(TDuration::Seconds(1));
+        }
+
+        auto it = client.StreamExecuteScanQuery(R"(
+            SELECT
+                LastTtlRunTime,
+                LastTtlRowsProcessed,
+                LastTtlRowsErased
+            FROM `/Root/.sys/partition_stats`;
+        )").GetValueSync();
+
+        UNIT_ASSERT_C(it.IsSuccess(), it.GetIssues().ToString());
+        auto ysonString = NKqp::StreamResultToYson(it);
+
+        TYsonFieldChecker check(ysonString, 3);
+
+        check.Uint64LessOrEquals(TInstant::Now().MicroSeconds()); // LastTtlRunTime
+        check.Uint64(1u); // LastTtlRowsProcessed
+        check.Uint64(1u); // LastTtlRowsErased
+    }
+
     Y_UNIT_TEST(PartitionStatsFields) {
         NDataShard::gDbStatsReportInterval = TDuration::Seconds(0);
 
@@ -1181,7 +1181,7 @@ Y_UNIT_TEST_SUITE(SystemView) {
             const auto& columns = table.GetTableColumns();
             const auto& keyColumns = table.GetPrimaryKeyColumns();
 
-            UNIT_ASSERT_VALUES_EQUAL(columns.size(), 26); 
+            UNIT_ASSERT_VALUES_EQUAL(columns.size(), 26);
             UNIT_ASSERT_STRINGS_EQUAL(columns[0].Name, "OwnerId");
             UNIT_ASSERT_STRINGS_EQUAL(FormatType(columns[0].Type), "Uint64?");
 
@@ -1301,7 +1301,7 @@ Y_UNIT_TEST_SUITE(SystemView) {
 
     Y_UNIT_TEST(DescribeSystemFolder) {
         TTestEnv env;
-        CreateTenantsAndTables(env, false); 
+        CreateTenantsAndTables(env, false);
 
         TSchemeClient schemeClient(env.GetDriver());
         {
@@ -1324,7 +1324,7 @@ Y_UNIT_TEST_SUITE(SystemView) {
             UNIT_ASSERT_C(result.IsSuccess(), result.GetIssues().ToString());
 
             auto entry = result.GetEntry();
-            UNIT_ASSERT_VALUES_EQUAL(entry.Name, "Tenant1"); 
+            UNIT_ASSERT_VALUES_EQUAL(entry.Name, "Tenant1");
             UNIT_ASSERT_VALUES_EQUAL(entry.Type, ESchemeEntryType::SubDomain);
 
             auto children = result.GetChildren();
@@ -1377,7 +1377,7 @@ Y_UNIT_TEST_SUITE(SystemView) {
 
     Y_UNIT_TEST(DescribeAccessDenied) {
         TTestEnv env;
-        CreateTenantsAndTables(env, false); 
+        CreateTenantsAndTables(env, false);
 
         auto driverConfig = TDriverConfig()
             .SetEndpoint(env.GetEndpoint())
diff --git a/ydb/core/tablet/resource_broker.cpp b/ydb/core/tablet/resource_broker.cpp
index 1162ae020b..fff30b2601 100644
--- a/ydb/core/tablet/resource_broker.cpp
+++ b/ydb/core/tablet/resource_broker.cpp
@@ -1325,11 +1325,11 @@ NKikimrResourceBroker::TResourceBrokerConfig MakeDefaultConfig()
     queue->MutableLimit()->SetCpu(2);
 
     queue = config.AddQueues();
-    queue->SetName("queue_restore"); 
-    queue->SetWeight(100); 
-    queue->MutableLimit()->SetCpu(10); 
- 
-    queue = config.AddQueues(); 
+    queue->SetName("queue_restore");
+    queue->SetWeight(100);
+    queue->MutableLimit()->SetCpu(10);
+
+    queue = config.AddQueues();
     queue->SetName(NLocalDb::KqpResourceManagerQueue);
     queue->SetWeight(30);
     queue->MutableLimit()->SetCpu(KqpRmQueueCPU);
@@ -1411,11 +1411,11 @@ NKikimrResourceBroker::TResourceBrokerConfig MakeDefaultConfig()
     task->SetDefaultDuration(TDuration::Minutes(5).GetValue());
 
     task = config.AddTasks();
-    task->SetName("restore"); 
-    task->SetQueueName("queue_restore"); 
-    task->SetDefaultDuration(TDuration::Minutes(5).GetValue()); 
- 
-    task = config.AddTasks(); 
+    task->SetName("restore");
+    task->SetQueueName("queue_restore");
+    task->SetDefaultDuration(TDuration::Minutes(5).GetValue());
+
+    task = config.AddTasks();
     task->SetName(NLocalDb::KqpResourceManagerTaskName);
     task->SetQueueName(NLocalDb::KqpResourceManagerQueue);
     task->SetDefaultDuration(TDuration::Minutes(10).GetValue());
diff --git a/ydb/core/tablet/tablet_counters.h b/ydb/core/tablet/tablet_counters.h
index 110f48fdf1..a8cc27e9ed 100644
--- a/ydb/core/tablet/tablet_counters.h
+++ b/ydb/core/tablet/tablet_counters.h
@@ -166,14 +166,14 @@ public:
         return *this;
     }
 
-    TTabletPercentileCounter& DecrementFor(ui64 what) { 
-        Y_VERIFY(Integral); 
-        ui32 index = FindSlot(what); 
-        Y_VERIFY_DEBUG(Values[index] > 0); 
-        Values[index] -= 1; 
-        return *this; 
-    } 
- 
+    TTabletPercentileCounter& DecrementFor(ui64 what) {
+        Y_VERIFY(Integral);
+        ui32 index = FindSlot(what);
+        Y_VERIFY_DEBUG(Values[index] > 0);
+        Values[index] -= 1;
+        return *this;
+    }
+
     ui32 GetRangeCount() const {
         return RangeCount;
     }
diff --git a/ydb/core/tablet/tablet_counters_aggregator.cpp b/ydb/core/tablet/tablet_counters_aggregator.cpp
index 93be3b86de..1885b26e09 100644
--- a/ydb/core/tablet/tablet_counters_aggregator.cpp
+++ b/ydb/core/tablet/tablet_counters_aggregator.cpp
@@ -576,9 +576,9 @@ public:
         }
 
         QuietTabletCounters.erase(tabletID);
- 
-        TString tabletIdStr = Sprintf("%" PRIu64, tabletID); 
-        Counters->RemoveSubgroup("tabletid", tabletIdStr.data()); 
+
+        TString tabletIdStr = Sprintf("%" PRIu64, tabletID);
+        Counters->RemoveSubgroup("tabletid", tabletIdStr.data());
     }
 
     void Query(const NKikimrTabletCountersAggregator::TEvTabletCountersRequest& request, NKikimrTabletCountersAggregator::TEvTabletCountersResponse& response) {
diff --git a/ydb/core/tablet/tablet_sys.cpp b/ydb/core/tablet/tablet_sys.cpp
index 8dba39c309..44bfac7b2d 100644
--- a/ydb/core/tablet/tablet_sys.cpp
+++ b/ydb/core/tablet/tablet_sys.cpp
@@ -1,18 +1,18 @@
 #include "tablet_sys.h"
-#include "tablet_tracing_signals.h" 
- 
+#include "tablet_tracing_signals.h"
+
 #include <ydb/core/base/compile_time_flags.h>
 #include <ydb/core/base/hive.h>
 #include <ydb/core/base/tablet_pipecache.h>
 #include <ydb/core/protos/services.pb.h>
 
-#include <library/cpp/actors/core/log.h> 
- 
+#include <library/cpp/actors/core/log.h>
+
 #include <util/generic/deque.h>
 #include <util/generic/hash.h>
 #include <util/generic/queue.h>
 #include <util/generic/set.h>
-#include <util/stream/str.h> 
+#include <util/stream/str.h>
 
 #if defined BLOG_D || defined BLOG_I || defined BLOG_ERROR
 #error log macro definition clash
diff --git a/ydb/core/tablet_flat/flat_cxx_database.h b/ydb/core/tablet_flat/flat_cxx_database.h
index 3d2f29bfa0..27a260bcb2 100644
--- a/ydb/core/tablet_flat/flat_cxx_database.h
+++ b/ydb/core/tablet_flat/flat_cxx_database.h
@@ -617,12 +617,12 @@ struct TNull {
     }
 };
 
-enum class EMaterializationMode { 
-    All, 
-    Existing, 
-    NonExisting, 
-}; 
- 
+enum class EMaterializationMode {
+    All,
+    Existing,
+    NonExisting,
+};
+
 struct Schema {
     template <typename T>
     struct Precharger {
@@ -1850,10 +1850,10 @@ struct Schema {
         static bool Precharge(TToughDb& database) {
             return SchemaTables<Type>::Precharge(database) & SchemaTables<Types...>::Precharge(database);
         }
- 
-        static void Materialize(TToughDb& database, EMaterializationMode mode = EMaterializationMode::All) { 
-            SchemaTables<Type>::Materialize(database, mode); 
-            SchemaTables<Types...>::Materialize(database, mode); 
+
+        static void Materialize(TToughDb& database, EMaterializationMode mode = EMaterializationMode::All) {
+            SchemaTables<Type>::Materialize(database, mode);
+            SchemaTables<Types...>::Materialize(database, mode);
         }
 
         static void Cleanup(TToughDb& database) {
@@ -1876,22 +1876,22 @@ struct Schema {
             return typename Type::TKey::template Selector<Type>(database).Precharge();
         }
 
-        static void Materialize(TToughDb& database, EMaterializationMode mode = EMaterializationMode::All) { 
-            switch (mode) { 
-            case EMaterializationMode::All: 
-                break; 
-            case EMaterializationMode::Existing: 
-                if (!database.GetScheme().GetTableInfo(Type::TableId)) { 
-                    return; 
-                } 
-                break; 
-            case EMaterializationMode::NonExisting: 
-                if (database.GetScheme().GetTableInfo(Type::TableId)) { 
-                    return; 
-                } 
-                break; 
-            } 
- 
+        static void Materialize(TToughDb& database, EMaterializationMode mode = EMaterializationMode::All) {
+            switch (mode) {
+            case EMaterializationMode::All:
+                break;
+            case EMaterializationMode::Existing:
+                if (!database.GetScheme().GetTableInfo(Type::TableId)) {
+                    return;
+                }
+                break;
+            case EMaterializationMode::NonExisting:
+                if (database.GetScheme().GetTableInfo(Type::TableId)) {
+                    return;
+                }
+                break;
+            }
+
             database.Alter().AddTable(GetTableName(TypeName<Type>()), Type::TableId);
             Type::TColumns::Materialize(database);
             Type::TKey::Materialize(database);
@@ -1942,11 +1942,11 @@ public:
 
     template <typename TableType> typename TableType::TKey::template Selector<TableType> Table() { return Database; }
 
-    template <typename TableType> 
-    bool HaveTable() { 
-        return Database.GetScheme().GetTableInfo(TableType::TableId); 
-    } 
- 
+    template <typename TableType>
+    bool HaveTable() {
+        return Database.GetScheme().GetTableInfo(TableType::TableId);
+    }
+
     template <typename SchemaType>
     bool Precharge() {
         return SchemaType::TTables::Precharge(Database);
@@ -1955,20 +1955,20 @@ public:
     template <typename SchemaType>
     void Materialize() {
         SchemaType::TSettings::Materialize(Database);
-        SchemaType::TTables::Materialize(Database, EMaterializationMode::All); 
+        SchemaType::TTables::Materialize(Database, EMaterializationMode::All);
+    }
+
+    template <typename SchemaType>
+    void MaterializeExisting() {
+        SchemaType::TTables::Materialize(Database, EMaterializationMode::Existing);
+    }
+
+    template <typename SchemaType>
+    void MaterializeNonExisting() {
+        SchemaType::TTables::Materialize(Database, EMaterializationMode::NonExisting);
     }
 
     template <typename SchemaType>
-    void MaterializeExisting() { 
-        SchemaType::TTables::Materialize(Database, EMaterializationMode::Existing); 
-    } 
- 
-    template <typename SchemaType> 
-    void MaterializeNonExisting() { 
-        SchemaType::TTables::Materialize(Database, EMaterializationMode::NonExisting); 
-    } 
- 
-    template <typename SchemaType> 
     void Cleanup() {
         SchemaType::TTables::Cleanup(Database);
 
diff --git a/ydb/core/tablet_flat/flat_executor.cpp b/ydb/core/tablet_flat/flat_executor.cpp
index 3c1ed9f427..59afc46215 100644
--- a/ydb/core/tablet_flat/flat_executor.cpp
+++ b/ydb/core/tablet_flat/flat_executor.cpp
@@ -22,9 +22,9 @@
 #include "logic_alter_main.h"
 #include "flat_abi_evol.h"
 #include "probes.h"
-#include "shared_sausagecache.h" 
+#include "shared_sausagecache.h"
 #include "util_fmt_desc.h"
- 
+
 #include <ydb/core/base/appdata.h>
 #include <ydb/core/base/compile_time_flags.h>
 #include <ydb/core/base/hive.h>
@@ -34,10 +34,10 @@
 #include <ydb/core/tablet/tablet_counters_aggregator.h>
 #include <ydb/core/util/yverify_stream.h>
 
-#include <library/cpp/monlib/service/pages/templates.h> 
-#include <library/cpp/actors/core/hfunc.h> 
- 
-#include <util/generic/xrange.h> 
+#include <library/cpp/monlib/service/pages/templates.h>
+#include <library/cpp/actors/core/hfunc.h>
+
+#include <util/generic/xrange.h>
 #include <util/generic/ymath.h>
 
 namespace NKikimr {
diff --git a/ydb/core/tablet_flat/test/libs/exec/runner.h b/ydb/core/tablet_flat/test/libs/exec/runner.h
index cddca5d32b..3b58ab814b 100644
--- a/ydb/core/tablet_flat/test/libs/exec/runner.h
+++ b/ydb/core/tablet_flat/test/libs/exec/runner.h
@@ -148,7 +148,7 @@ namespace NFake {
                 }
 
                 {
-                    auto *actor = CreateStateStorageProxy(info, nullptr, nullptr); 
+                    auto *actor = CreateStateStorageProxy(info, nullptr, nullptr);
 
                     AddService(MakeStateStorageProxyID(0), actor, TMailboxType::Revolving);
                 }
diff --git a/ydb/core/testlib/actors/test_runtime.cpp b/ydb/core/testlib/actors/test_runtime.cpp
index 773e8cd298..63f0436bff 100644
--- a/ydb/core/testlib/actors/test_runtime.cpp
+++ b/ydb/core/testlib/actors/test_runtime.cpp
@@ -125,7 +125,7 @@ namespace NActors {
             nodeAppData->Counters = node->DynamicCounters;
             nodeAppData->PollerThreads = node->Poller;
             nodeAppData->StreamingConfig.SetEnableOutputStreams(true);
-            nodeAppData->PQConfig = app0->PQConfig; 
+            nodeAppData->PQConfig = app0->PQConfig;
             nodeAppData->NetClassifierConfig.CopyFrom(app0->NetClassifierConfig);
             nodeAppData->StaticBlobStorageConfig->CopyFrom(*app0->StaticBlobStorageConfig);
             nodeAppData->EnableKqpSpilling = app0->EnableKqpSpilling;
@@ -133,9 +133,9 @@ namespace NActors {
             nodeAppData->CompactionConfig = app0->CompactionConfig;
             nodeAppData->HiveConfig = app0->HiveConfig;
             nodeAppData->DataShardConfig = app0->DataShardConfig;
-            nodeAppData->MeteringConfig = app0->MeteringConfig; 
+            nodeAppData->MeteringConfig = app0->MeteringConfig;
             nodeAppData->EnableMvccSnapshotWithLegacyDomainRoot = app0->EnableMvccSnapshotWithLegacyDomainRoot;
-            nodeAppData->IoContextFactory = app0->IoContextFactory; 
+            nodeAppData->IoContextFactory = app0->IoContextFactory;
             if (KeyConfigGenerator) {
                 nodeAppData->KeyConfig = KeyConfigGenerator(nodeIndex);
             } else {
diff --git a/ydb/core/testlib/basics/appdata.h b/ydb/core/testlib/basics/appdata.h
index e4b99def37..409869161f 100644
--- a/ydb/core/testlib/basics/appdata.h
+++ b/ydb/core/testlib/basics/appdata.h
@@ -1,7 +1,7 @@
 #pragma once
 
-#include "feature_flags.h" 
- 
+#include "feature_flags.h"
+
 #include <ydb/core/base/appdata.h>
 #include <ydb/core/base/channel_profiles.h>
 #include <ydb/core/base/domain.h>
@@ -17,24 +17,24 @@ namespace NKikimr {
     // Split this factory
     class TDataShardExportFactory : public NKikimr::NDataShard::IExportFactory {
     public:
-        NKikimr::NDataShard::IExport* CreateExportToYt(bool useTypeV3) const override { 
-            Y_UNUSED(useTypeV3); 
+        NKikimr::NDataShard::IExport* CreateExportToYt(bool useTypeV3) const override {
+            Y_UNUSED(useTypeV3);
             return nullptr;
         }
 
-        NKikimr::NDataShard::IExport* CreateExportToS3() const override { 
-        #ifndef KIKIMR_DISABLE_S3_OPS 
-            return new NKikimr::NDataShard::TS3Export(); 
-        #else 
-            return nullptr; 
-        #endif 
+        NKikimr::NDataShard::IExport* CreateExportToS3() const override {
+        #ifndef KIKIMR_DISABLE_S3_OPS
+            return new NKikimr::NDataShard::TS3Export();
+        #else
+            return nullptr;
+        #endif
         }
 
         void Shutdown() override {
         }
     };
 
-    struct TAppPrepare : public TTestFeatureFlagsHolder<TAppPrepare> { 
+    struct TAppPrepare : public TTestFeatureFlagsHolder<TAppPrepare> {
         struct TMine : public NActors::IDestructable {
             TIntrusivePtr<NScheme::TTypeRegistry> Types;
             TIntrusivePtr<NMiniKQL::IFunctionRegistry> Funcs;
@@ -78,8 +78,8 @@ namespace NKikimr {
         TString NetDataSourceUrl;
         NKikimrConfig::THiveConfig HiveConfig;
         NKikimrConfig::TDataShardConfig DataShardConfig;
-        NKikimrConfig::TMeteringConfig MeteringConfig; 
-        NKikimrPQ::TPQConfig PQConfig; 
+        NKikimrConfig::TMeteringConfig MeteringConfig;
+        NKikimrPQ::TPQConfig PQConfig;
 
     private:
         TAutoPtr<TMine> Mine;
diff --git a/ydb/core/testlib/basics/feature_flags.h b/ydb/core/testlib/basics/feature_flags.h
index aa6ba5e48f..c78752dad1 100644
--- a/ydb/core/testlib/basics/feature_flags.h
+++ b/ydb/core/testlib/basics/feature_flags.h
@@ -1,53 +1,53 @@
-#pragma once 
- 
+#pragma once
+
 #include <ydb/core/base/feature_flags.h>
- 
-namespace NKikimr { 
- 
-template <typename TDerived> 
-class TTestFeatureFlagsHolder { 
-public: 
-    TFeatureFlags FeatureFlags; 
- 
-    #define FEATURE_FLAG_SETTER(name) \ 
-        TDerived& Set##name(std::optional<bool> value) { \ 
-            if (value) { \ 
-                FeatureFlags.Set##name(*value); \ 
-            } \ 
-            return *static_cast<TDerived*>(this); \ 
-        } 
- 
-    FEATURE_FLAG_SETTER(AllowYdbRequestsWithoutDatabase) 
-    FEATURE_FLAG_SETTER(EnableSystemViews) 
-    FEATURE_FLAG_SETTER(CheckDatabaseAccessPermission) 
-    FEATURE_FLAG_SETTER(EnablePersistentQueryStats) 
-    FEATURE_FLAG_SETTER(EnablePersistentPartitionStats) 
-    FEATURE_FLAG_SETTER(AllowUpdateChannelsBindingOfSolomonPartitions) 
-    FEATURE_FLAG_SETTER(EnableDataColumnForIndexTable) 
-    FEATURE_FLAG_SETTER(EnableClockGettimeForUserCpuAccounting) 
-    FEATURE_FLAG_SETTER(EnableAsyncIndexes) 
-    FEATURE_FLAG_SETTER(EnableOlapSchemaOperations) 
-    FEATURE_FLAG_SETTER(EnableMvccSnapshotReads) 
-    FEATURE_FLAG_SETTER(EnableSchemeTransactionsAtSchemeShard) 
-    FEATURE_FLAG_SETTER(EnableBackgroundCompaction) 
-    FEATURE_FLAG_SETTER(EnableBackgroundCompactionServerless) 
-    FEATURE_FLAG_SETTER(EnableNotNullColumns) 
-    FEATURE_FLAG_SETTER(EnableTtlOnAsyncIndexedTables) 
-    FEATURE_FLAG_SETTER(EnableBulkUpsertToAsyncIndexedTables) 
- 
-    TDerived& SetEnableMvcc(std::optional<bool> value) { 
-        if (value) { 
-            if (*value) { 
-                FeatureFlags.SetEnableMvcc(NKikimrConfig::TFeatureFlags::VALUE_TRUE); 
-            } else { 
-                FeatureFlags.SetEnableMvcc(NKikimrConfig::TFeatureFlags::VALUE_FALSE); 
-            } 
-        } 
- 
-        return *static_cast<TDerived*>(this); 
-    } 
- 
-    #undef FEATURE_FLAG_SETTER 
-}; 
- 
-} // NKikimr 
+
+namespace NKikimr {
+
+template <typename TDerived>
+class TTestFeatureFlagsHolder {
+public:
+    TFeatureFlags FeatureFlags;
+
+    #define FEATURE_FLAG_SETTER(name) \
+        TDerived& Set##name(std::optional<bool> value) { \
+            if (value) { \
+                FeatureFlags.Set##name(*value); \
+            } \
+            return *static_cast<TDerived*>(this); \
+        }
+
+    FEATURE_FLAG_SETTER(AllowYdbRequestsWithoutDatabase)
+    FEATURE_FLAG_SETTER(EnableSystemViews)
+    FEATURE_FLAG_SETTER(CheckDatabaseAccessPermission)
+    FEATURE_FLAG_SETTER(EnablePersistentQueryStats)
+    FEATURE_FLAG_SETTER(EnablePersistentPartitionStats)
+    FEATURE_FLAG_SETTER(AllowUpdateChannelsBindingOfSolomonPartitions)
+    FEATURE_FLAG_SETTER(EnableDataColumnForIndexTable)
+    FEATURE_FLAG_SETTER(EnableClockGettimeForUserCpuAccounting)
+    FEATURE_FLAG_SETTER(EnableAsyncIndexes)
+    FEATURE_FLAG_SETTER(EnableOlapSchemaOperations)
+    FEATURE_FLAG_SETTER(EnableMvccSnapshotReads)
+    FEATURE_FLAG_SETTER(EnableSchemeTransactionsAtSchemeShard)
+    FEATURE_FLAG_SETTER(EnableBackgroundCompaction)
+    FEATURE_FLAG_SETTER(EnableBackgroundCompactionServerless)
+    FEATURE_FLAG_SETTER(EnableNotNullColumns)
+    FEATURE_FLAG_SETTER(EnableTtlOnAsyncIndexedTables)
+    FEATURE_FLAG_SETTER(EnableBulkUpsertToAsyncIndexedTables)
+
+    TDerived& SetEnableMvcc(std::optional<bool> value) {
+        if (value) {
+            if (*value) {
+                FeatureFlags.SetEnableMvcc(NKikimrConfig::TFeatureFlags::VALUE_TRUE);
+            } else {
+                FeatureFlags.SetEnableMvcc(NKikimrConfig::TFeatureFlags::VALUE_FALSE);
+            }
+        }
+
+        return *static_cast<TDerived*>(this);
+    }
+
+    #undef FEATURE_FLAG_SETTER
+};
+
+} // NKikimr
diff --git a/ydb/core/testlib/basics/services.cpp b/ydb/core/testlib/basics/services.cpp
index 4e23d87fdc..b4585ad96c 100644
--- a/ydb/core/testlib/basics/services.cpp
+++ b/ydb/core/testlib/basics/services.cpp
@@ -47,12 +47,12 @@ namespace NPDisk {
 
     void SetupSchemeCache(TTestActorRuntime& runtime, ui32 nodeIndex, const TString& root)
     {
-        auto cacheConfig = MakeIntrusive<NSchemeCache::TSchemeCacheConfig>(); 
+        auto cacheConfig = MakeIntrusive<NSchemeCache::TSchemeCacheConfig>();
         cacheConfig->Roots.emplace_back(1, TTestTxConfig::SchemeShard, root);
         cacheConfig->Counters = new NMonitoring::TDynamicCounters();
 
-        runtime.AddLocalService(MakeSchemeCacheID(), 
-            TActorSetupCmd(CreateSchemeBoardSchemeCache(cacheConfig.Get()), TMailboxType::Revolving, 0), nodeIndex); 
+        runtime.AddLocalService(MakeSchemeCacheID(),
+            TActorSetupCmd(CreateSchemeBoardSchemeCache(cacheConfig.Get()), TMailboxType::Revolving, 0), nodeIndex);
     }
 
     void SetupTabletResolver(TTestActorRuntime& runtime, ui32 nodeIndex)
@@ -150,20 +150,20 @@ namespace NPDisk {
             nodeIndex);
     }
 
-    template<size_t N> 
+    template<size_t N>
     static TIntrusivePtr<TStateStorageInfo> GenerateStateStorageInfo(const TActorId (&replicas)[N], ui64 stateStorageGroup)
-    { 
-        TIntrusivePtr<TStateStorageInfo> info(new TStateStorageInfo()); 
-        info->StateStorageGroup = stateStorageGroup; 
+    {
+        TIntrusivePtr<TStateStorageInfo> info(new TStateStorageInfo());
+        info->StateStorageGroup = stateStorageGroup;
         info->NToSelect = N;
         info->Rings.resize(N);
-        for (size_t i = 0; i < N; ++i) { 
+        for (size_t i = 0; i < N; ++i) {
             info->Rings[i].Replicas.push_back(replicas[i]);
-        } 
- 
-        return info; 
-    } 
- 
+        }
+
+        return info;
+    }
+
     static TActorId MakeBoardReplicaID(
         const ui32 node,
         const ui64 stateStorageGroup,
@@ -190,23 +190,23 @@ namespace NPDisk {
         };
 
         const TActorId sbreplicas[3] = {
-            MakeSchemeBoardReplicaID(runtime.GetNodeId(0), stateStorageGroup, 0), 
-            MakeSchemeBoardReplicaID(runtime.GetNodeId(0), stateStorageGroup, 1), 
-            MakeSchemeBoardReplicaID(runtime.GetNodeId(0), stateStorageGroup, 2), 
-        }; 
- 
+            MakeSchemeBoardReplicaID(runtime.GetNodeId(0), stateStorageGroup, 0),
+            MakeSchemeBoardReplicaID(runtime.GetNodeId(0), stateStorageGroup, 1),
+            MakeSchemeBoardReplicaID(runtime.GetNodeId(0), stateStorageGroup, 2),
+        };
+
         const TActorId ssproxy = MakeStateStorageProxyID(stateStorageGroup);
 
-        auto ssInfo = GenerateStateStorageInfo(ssreplicas, stateStorageGroup); 
-        auto sbInfo = GenerateStateStorageInfo(sbreplicas, stateStorageGroup); 
+        auto ssInfo = GenerateStateStorageInfo(ssreplicas, stateStorageGroup);
+        auto sbInfo = GenerateStateStorageInfo(sbreplicas, stateStorageGroup);
         auto bInfo = GenerateStateStorageInfo(breplicas, stateStorageGroup);
 
         if (!firstNode || nodeIndex == 0) {
             for (ui32 i = 0; i < 3; ++i) {
                 runtime.AddLocalService(ssreplicas[i],
                     TActorSetupCmd(CreateStateStorageReplica(ssInfo.Get(), i), TMailboxType::Revolving, 0), nodeIndex);
-                runtime.AddLocalService(sbreplicas[i], 
-                    TActorSetupCmd(CreateSchemeBoardReplica(sbInfo.Get(), i), TMailboxType::Revolving, 0), nodeIndex); 
+                runtime.AddLocalService(sbreplicas[i],
+                    TActorSetupCmd(CreateSchemeBoardReplica(sbInfo.Get(), i), TMailboxType::Revolving, 0), nodeIndex);
                 runtime.AddLocalService(breplicas[i],
                     TActorSetupCmd(CreateStateStorageBoardReplica(bInfo.Get(), i), TMailboxType::Revolving, 0), nodeIndex);
             }
diff --git a/ydb/core/testlib/tablet_helpers.cpp b/ydb/core/testlib/tablet_helpers.cpp
index 96390c7937..a853040b93 100644
--- a/ydb/core/testlib/tablet_helpers.cpp
+++ b/ydb/core/testlib/tablet_helpers.cpp
@@ -20,7 +20,7 @@
 #include <ydb/core/tx/tx_allocator/txallocator.h>
 #include <ydb/core/tx/coordinator/coordinator.h>
 #include <ydb/core/tx/mediator/mediator.h>
-#include <ydb/core/tx/replication/controller/controller.h> 
+#include <ydb/core/tx/replication/controller/controller.h>
 #include <ydb/core/tx/schemeshard/schemeshard.h>
 #include <ydb/core/tx/sequenceshard/sequenceshard.h>
 #include <ydb/core/tx/time_cast/time_cast.h>
@@ -1187,8 +1187,8 @@ namespace NKikimr {
                     bootstrapperActorId = Boot(ctx, type, &NSysView::CreateSysViewProcessor, DataGroupErasure);
                 } else if (type == defaultTabletTypes.SequenceShard) {
                     bootstrapperActorId = Boot(ctx, type, &NSequenceShard::CreateSequenceShard, DataGroupErasure);
-                } else if (type == defaultTabletTypes.ReplicationController) { 
-                    bootstrapperActorId = Boot(ctx, type, &NReplication::CreateController, DataGroupErasure); 
+                } else if (type == defaultTabletTypes.ReplicationController) {
+                    bootstrapperActorId = Boot(ctx, type, &NReplication::CreateController, DataGroupErasure);
                 } else {
                     status = NKikimrProto::ERROR;
                 }
diff --git a/ydb/core/testlib/tenant_helpers.h b/ydb/core/testlib/tenant_helpers.h
index 1277aa42e5..209b73baa0 100644
--- a/ydb/core/testlib/tenant_helpers.h
+++ b/ydb/core/testlib/tenant_helpers.h
@@ -65,63 +65,63 @@ void CollectSlots(THashMap<std::pair<TString, TString>, TSlotState> &slots,
     CollectSlots(slots, args...);
 }
 
-struct TCreateTenantRequest { 
-    using TSelf = TCreateTenantRequest; 
-    using TAttrsCont = TVector<std::pair<TString, TString>>; 
-    using TPoolsCont = TVector<TPoolAllocation>; 
-    using TSlotsCont = TVector<TSlotRequest>; 
- 
-    enum class EType { 
-        Unspecified, 
-        Common, 
-        Shared, 
-        Serverless, 
-    }; 
- 
-    // All types 
-    TString Path; 
-    EType Type; 
-    TAttrsCont Attrs; 
-    // Common & Shared 
-    TPoolsCont Pools; 
-    TSlotsCont Slots; 
-    // Serverless 
-    TString SharedDbPath; 
+struct TCreateTenantRequest {
+    using TSelf = TCreateTenantRequest;
+    using TAttrsCont = TVector<std::pair<TString, TString>>;
+    using TPoolsCont = TVector<TPoolAllocation>;
+    using TSlotsCont = TVector<TSlotRequest>;
+
+    enum class EType {
+        Unspecified,
+        Common,
+        Shared,
+        Serverless,
+    };
+
+    // All types
+    TString Path;
+    EType Type;
+    TAttrsCont Attrs;
+    // Common & Shared
+    TPoolsCont Pools;
+    TSlotsCont Slots;
+    // Serverless
+    TString SharedDbPath;
     ui32 PlanResolution = 0;
- 
-    TCreateTenantRequest() = delete; 
- 
-    explicit TCreateTenantRequest(const TString& path, EType type = EType::Unspecified) 
-        : Path(path) 
-        , Type(type) 
-    { 
-    } 
- 
-    TSelf& WithAttrs(const TAttrsCont& attrs) { 
-        Attrs = attrs; 
-        return *this; 
-    } 
- 
-    TSelf& WithPools(const TPoolsCont& pools) { 
-        if (Type == EType::Unspecified) { 
-            Type = EType::Common; 
-        } 
- 
-        UNIT_ASSERT(Type == EType::Common || Type == EType::Shared); 
-        Pools = pools; 
-        return *this; 
-    } 
- 
-    TSelf& WithSlots(const TSlotsCont& slots) { 
-        if (Type == EType::Unspecified) { 
-            Type = EType::Common; 
-        } 
- 
-        UNIT_ASSERT(Type == EType::Common || Type == EType::Shared); 
-        Slots = slots; 
-        return *this; 
-    } 
- 
+
+    TCreateTenantRequest() = delete;
+
+    explicit TCreateTenantRequest(const TString& path, EType type = EType::Unspecified)
+        : Path(path)
+        , Type(type)
+    {
+    }
+
+    TSelf& WithAttrs(const TAttrsCont& attrs) {
+        Attrs = attrs;
+        return *this;
+    }
+
+    TSelf& WithPools(const TPoolsCont& pools) {
+        if (Type == EType::Unspecified) {
+            Type = EType::Common;
+        }
+
+        UNIT_ASSERT(Type == EType::Common || Type == EType::Shared);
+        Pools = pools;
+        return *this;
+    }
+
+    TSelf& WithSlots(const TSlotsCont& slots) {
+        if (Type == EType::Unspecified) {
+            Type = EType::Common;
+        }
+
+        UNIT_ASSERT(Type == EType::Common || Type == EType::Shared);
+        Slots = slots;
+        return *this;
+    }
+
     TSelf& WithSlots(const TString& type, const TString& zone, ui64 count) {
         if (Type == EType::Unspecified) {
             Type = EType::Common;
@@ -132,45 +132,45 @@ struct TCreateTenantRequest {
         return *this;
     }
 
-    TSelf& WithSharedDbPath(const TString& path) { 
-        if (Type == EType::Unspecified) { 
-            Type = EType::Serverless; 
-        } 
- 
-        UNIT_ASSERT(Type == EType::Serverless); 
-        SharedDbPath = path; 
-        return *this; 
-    } 
+    TSelf& WithSharedDbPath(const TString& path) {
+        if (Type == EType::Unspecified) {
+            Type = EType::Serverless;
+        }
+
+        UNIT_ASSERT(Type == EType::Serverless);
+        SharedDbPath = path;
+        return *this;
+    }
 
     TSelf& WithPlanResolution(ui32 planResolution) {
         PlanResolution = planResolution;
         return *this;
     }
-}; 
- 
-inline void CheckCreateTenant(TTenantTestRuntime &runtime, 
+};
+
+inline void CheckCreateTenant(TTenantTestRuntime &runtime,
                        const TString &token,
                        Ydb::StatusIds::StatusCode code,
-                       const TCreateTenantRequest &request) 
+                       const TCreateTenantRequest &request)
 {
-    using EType = TCreateTenantRequest::EType; 
+    using EType = TCreateTenantRequest::EType;
 
     auto *event = new NConsole::TEvConsole::TEvCreateTenantRequest;
-    event->Record.MutableRequest()->set_path(request.Path); 
- 
-    auto *resources = request.Type == EType::Shared 
-        ? event->Record.MutableRequest()->mutable_shared_resources() 
-        : event->Record.MutableRequest()->mutable_resources(); 
- 
-    for (auto &req : request.Slots) { 
-        auto &unit = *resources->add_computational_units(); 
+    event->Record.MutableRequest()->set_path(request.Path);
+
+    auto *resources = request.Type == EType::Shared
+        ? event->Record.MutableRequest()->mutable_shared_resources()
+        : event->Record.MutableRequest()->mutable_resources();
+
+    for (auto &req : request.Slots) {
+        auto &unit = *resources->add_computational_units();
         unit.set_unit_kind(req.Type);
         unit.set_availability_zone(req.Zone);
         unit.set_count(req.Count);
     }
 
-    for (auto &pool : request.Pools) { 
-        auto &unit = *resources->add_storage_units(); 
+    for (auto &pool : request.Pools) {
+        auto &unit = *resources->add_storage_units();
         unit.set_unit_kind(pool.PoolType);
         unit.set_count(pool.PoolSize);
     }
@@ -182,10 +182,10 @@ inline void CheckCreateTenant(TTenantTestRuntime &runtime,
         (*event->Record.MutableRequest()->mutable_attributes())[key] = value;
     }
 
-    if (request.Type == EType::Serverless) { 
-        event->Record.MutableRequest()->mutable_serverless_resources()->set_shared_database_path(request.SharedDbPath); 
-    } 
- 
+    if (request.Type == EType::Serverless) {
+        event->Record.MutableRequest()->mutable_serverless_resources()->set_shared_database_path(request.SharedDbPath);
+    }
+
     if (request.PlanResolution) {
         event->Record.MutableRequest()->mutable_options()->set_plan_resolution(request.PlanResolution);
     }
@@ -217,40 +217,40 @@ inline void CheckCreateTenant(TTenantTestRuntime &runtime,
     }
 }
 
-inline void CheckCreateTenant(TTenantTestRuntime &runtime, 
-                       Ydb::StatusIds::StatusCode code, 
-                       const TCreateTenantRequest &request) 
-{ 
-    CheckCreateTenant(runtime, "", code, request); 
-} 
- 
+inline void CheckCreateTenant(TTenantTestRuntime &runtime,
+                       Ydb::StatusIds::StatusCode code,
+                       const TCreateTenantRequest &request)
+{
+    CheckCreateTenant(runtime, "", code, request);
+}
+
+template <typename ...Ts>
+void CheckCreateTenant(TTenantTestRuntime &runtime,
+                       const TString &path,
+                       const TString &token,
+                       Ydb::StatusIds::StatusCode code,
+                       TVector<TPoolAllocation> pools,
+                       const TVector<std::pair<TString, TString>> &attrs,
+                       Ts... args)
+{
+    TVector<TSlotRequest> slots;
+    CollectSlots(slots, args...);
+
+    CheckCreateTenant(runtime, token, code,
+        TCreateTenantRequest(path)
+            .WithSlots(slots)
+            .WithPools(pools)
+            .WithAttrs(attrs));
+}
+
 template <typename ...Ts>
 void CheckCreateTenant(TTenantTestRuntime &runtime,
                        const TString &path,
-                       const TString &token, 
                        Ydb::StatusIds::StatusCode code,
                        TVector<TPoolAllocation> pools,
                        const TVector<std::pair<TString, TString>> &attrs,
                        Ts... args)
 {
-    TVector<TSlotRequest> slots; 
-    CollectSlots(slots, args...); 
- 
-    CheckCreateTenant(runtime, token, code, 
-        TCreateTenantRequest(path) 
-            .WithSlots(slots) 
-            .WithPools(pools) 
-            .WithAttrs(attrs)); 
-} 
- 
-template <typename ...Ts> 
-void CheckCreateTenant(TTenantTestRuntime &runtime, 
-                       const TString &path, 
-                       Ydb::StatusIds::StatusCode code, 
-                       TVector<TPoolAllocation> pools, 
-                       const TVector<std::pair<TString, TString>> &attrs, 
-                       Ts... args) 
-{ 
     CheckCreateTenant(runtime, path, "", code, pools, attrs, args...);
 }
 
diff --git a/ydb/core/testlib/tenant_runtime.cpp b/ydb/core/testlib/tenant_runtime.cpp
index 2ce722357d..974cc166d0 100644
--- a/ydb/core/testlib/tenant_runtime.cpp
+++ b/ydb/core/testlib/tenant_runtime.cpp
@@ -16,7 +16,7 @@
 #include <ydb/core/tx/long_tx_service/public/events.h>
 #include <ydb/core/tx/long_tx_service/long_tx_service.h>
 #include <ydb/core/tx/mediator/mediator.h>
-#include <ydb/core/tx/replication/controller/controller.h> 
+#include <ydb/core/tx/replication/controller/controller.h>
 #include <ydb/core/tx/schemeshard/schemeshard.h>
 #include <ydb/core/tx/sequenceproxy/sequenceproxy.h>
 #include <ydb/core/tx/sequenceshard/sequenceshard.h>
@@ -435,8 +435,8 @@ class TFakeHive : public TActor<TFakeHive>, public TTabletExecutedFlat {
                 bootstrapperActorId = Boot(ctx, type, &NSysView::CreateSysViewProcessor, DataGroupErasure);
             } else if (type == defaultTabletTypes.SequenceShard) {
                 bootstrapperActorId = Boot(ctx, type, &NSequenceShard::CreateSequenceShard, DataGroupErasure);
-            } else if (type == defaultTabletTypes.ReplicationController) { 
-                bootstrapperActorId = Boot(ctx, type, &NReplication::CreateController, DataGroupErasure); 
+            } else if (type == defaultTabletTypes.ReplicationController) {
+                bootstrapperActorId = Boot(ctx, type, &NReplication::CreateController, DataGroupErasure);
             } else {
                 status = NKikimrProto::ERROR;
             }
@@ -773,7 +773,7 @@ void TTenantTestRuntime::CreateTenantPool(ui32 nodeIndex)
     CreateTenantPool(nodeIndex, Config.Nodes[nodeIndex].TenantPoolConfig);
 }
 
-void TTenantTestRuntime::Setup(bool createTenantPools) 
+void TTenantTestRuntime::Setup(bool createTenantPools)
 {
     if (ENABLE_DETAILED_LOG) {
         SetLogPriority(NKikimrServices::LOCAL, NLog::PRI_DEBUG);
@@ -806,7 +806,7 @@ void TTenantTestRuntime::Setup(bool createTenantPools)
 
     app.FeatureFlags = Extension.GetFeatureFlags();
     app.ClearDomainsAndHive();
- 
+
     ui32 planResolution = 500;
     // Add domains info.
     for (ui32 i = 0; i < Config.Domains.size(); ++i) {
@@ -1001,14 +1001,14 @@ void TTenantTestRuntime::Setup(bool createTenantPools)
     // Create Tenant Slot Pools
     Y_VERIFY(GetNodeCount() >= Config.Nodes.size());
     TMultiSet<std::pair<TString, TEvLocal::TEvTenantStatus::EStatus>> statuses;
- 
-    if (createTenantPools) { 
-        for (size_t i = 0; i< Config.Nodes.size(); ++i) { 
-            auto &poolConfig = Config.Nodes[i].TenantPoolConfig; 
-            for (auto &slot : poolConfig.StaticSlots) 
-                statuses.insert(std::make_pair(CanonizePath(slot.Tenant), TEvLocal::TEvTenantStatus::STARTED)); 
-            CreateTenantPool(i); 
-        } 
+
+    if (createTenantPools) {
+        for (size_t i = 0; i< Config.Nodes.size(); ++i) {
+            auto &poolConfig = Config.Nodes[i].TenantPoolConfig;
+            for (auto &slot : poolConfig.StaticSlots)
+                statuses.insert(std::make_pair(CanonizePath(slot.Tenant), TEvLocal::TEvTenantStatus::STARTED));
+            CreateTenantPool(i);
+        }
     }
 
     // Create other local services
@@ -1109,7 +1109,7 @@ void TTenantTestRuntime::Setup(bool createTenantPools)
         EnableScheduleForActor(actorId, true);
 
         // Wait until Tenant Slot Broker gets all statuses.
-        if (createTenantPools && !Config.FakeTenantSlotBroker) { 
+        if (createTenantPools && !Config.FakeTenantSlotBroker) {
             TDispatchOptions options;
             options.FinalEvents.emplace_back(TWaitTenantSlotBrokerInitialization(Config.Nodes.size()));
             DispatchEvents(options);
@@ -1119,13 +1119,13 @@ void TTenantTestRuntime::Setup(bool createTenantPools)
 
 TTenantTestRuntime::TTenantTestRuntime(const TTenantTestConfig &config,
                                        const NKikimrConfig::TAppConfig &extension,
-                                       bool createTenantPools) 
+                                       bool createTenantPools)
     : TTestBasicRuntime(config.Nodes.size(), config.DataCenterCount, false)
     , Config(config)
     , Extension(extension)
 {
     Extension.MutableFeatureFlags()->SetEnableExternalHive(false);
-    Setup(createTenantPools); 
+    Setup(createTenantPools);
 }
 
 void TTenantTestRuntime::WaitForHiveState(const TVector<TEvTest::TEvWaitHiveState::TClientInfo> &state)
diff --git a/ydb/core/testlib/tenant_runtime.h b/ydb/core/testlib/tenant_runtime.h
index 263f8fabfa..f98c1441af 100644
--- a/ydb/core/testlib/tenant_runtime.h
+++ b/ydb/core/testlib/tenant_runtime.h
@@ -192,12 +192,12 @@ bool IsTabletActiveEvent(IEventHandle& ev);
 
 class TTenantTestRuntime : public TTestBasicRuntime {
 private:
-    void Setup(bool createTenantPools = true); 
+    void Setup(bool createTenantPools = true);
 
 public:
     TTenantTestRuntime(const TTenantTestConfig &config,
                        const NKikimrConfig::TAppConfig &extension = {},
-                       bool createTenantPools = true); 
+                       bool createTenantPools = true);
 
     void CreateTenantPool(ui32 nodeIndex);
     void CreateTenantPool(ui32 nodeIndex, const TTenantTestConfig::TTenantPoolConfig &config);
diff --git a/ydb/core/testlib/test_client.cpp b/ydb/core/testlib/test_client.cpp
index 604cec0b8f..d4907c26f1 100644
--- a/ydb/core/testlib/test_client.cpp
+++ b/ydb/core/testlib/test_client.cpp
@@ -5,7 +5,7 @@
 #include <ydb/core/base/hive.h>
 #include <ydb/public/lib/base/msgbus.h>
 #include <ydb/core/grpc_services/grpc_request_proxy.h>
-#include <ydb/services/auth/grpc_service.h> 
+#include <ydb/services/auth/grpc_service.h>
 #include <ydb/services/yq/grpc_service.h>
 #include <ydb/services/yq/private_grpc.h>
 #include <ydb/services/cms/grpc_service.h>
@@ -53,7 +53,7 @@
 #include <ydb/core/tx/long_tx_service/public/events.h>
 #include <ydb/core/tx/long_tx_service/long_tx_service.h>
 #include <ydb/core/tx/mediator/mediator.h>
-#include <ydb/core/tx/replication/controller/controller.h> 
+#include <ydb/core/tx/replication/controller/controller.h>
 #include <ydb/core/tx/schemeshard/schemeshard.h>
 #include <ydb/core/tx/sequenceproxy/sequenceproxy.h>
 #include <ydb/core/tx/sequenceshard/sequenceshard.h>
@@ -161,8 +161,8 @@ namespace Tests {
         app.SetNetDataSourceUrl(Settings->NetClassifierConfig.GetUpdaterConfig().GetNetDataSourceUrl());
         app.SetEnableKqpSpilling(Settings->EnableKqpSpilling);
         app.SetKeepSnapshotTimeout(Settings->KeepSnapshotTimeout);
-        app.SetChangesQueueItemsLimit(Settings->ChangesQueueItemsLimit); 
-        app.SetChangesQueueBytesLimit(Settings->ChangesQueueBytesLimit); 
+        app.SetChangesQueueItemsLimit(Settings->ChangesQueueItemsLimit);
+        app.SetChangesQueueBytesLimit(Settings->ChangesQueueBytesLimit);
         app.CompactionConfig = Settings->CompactionConfig;
         app.FeatureFlags = Settings->FeatureFlags;
 
@@ -300,12 +300,12 @@ namespace Tests {
         future.Subscribe(startCb);
 
         GRpcServer->AddService(grpcService);
-        GRpcServer->AddService(new NGRpcService::TGRpcYdbExportService(system, counters, grpcRequestProxyId)); 
-        GRpcServer->AddService(new NGRpcService::TGRpcYdbImportService(system, counters, grpcRequestProxyId)); 
+        GRpcServer->AddService(new NGRpcService::TGRpcYdbExportService(system, counters, grpcRequestProxyId));
+        GRpcServer->AddService(new NGRpcService::TGRpcYdbImportService(system, counters, grpcRequestProxyId));
         GRpcServer->AddService(new NGRpcService::TGRpcYdbSchemeService(system, counters, grpcRequestProxyId));
         GRpcServer->AddService(new NGRpcService::TGRpcYdbTableService(system, counters, grpcRequestProxyId));
         GRpcServer->AddService(new NGRpcService::TGRpcYdbScriptingService(system, counters, grpcRequestProxyId));
-        GRpcServer->AddService(new NGRpcService::TGRpcOperationService(system, counters, grpcRequestProxyId)); 
+        GRpcServer->AddService(new NGRpcService::TGRpcOperationService(system, counters, grpcRequestProxyId));
         GRpcServer->AddService(new NGRpcService::V1::TGRpcPersQueueService(system, counters, NMsgBusProxy::CreatePersQueueMetaCacheV2Id(), grpcRequestProxyId));
         GRpcServer->AddService(new NGRpcService::TGRpcPQClusterDiscoveryService(system, counters, grpcRequestProxyId));
         GRpcServer->AddService(new NKesus::TKesusGRpcService(system, counters, grpcRequestProxyId));
@@ -329,7 +329,7 @@ namespace Tests {
             }
         }
         GRpcServer->AddService(new NGRpcService::TGRpcYdbLogStoreService(system, counters, grpcRequestProxyId));
-        GRpcServer->AddService(new NGRpcService::TGRpcAuthService(system, counters, grpcRequestProxyId)); 
+        GRpcServer->AddService(new NGRpcService::TGRpcAuthService(system, counters, grpcRequestProxyId));
         GRpcServer->Start();
     }
 
@@ -545,10 +545,10 @@ namespace Tests {
             TLocalConfig::TTabletClassInfo(new TTabletSetupInfo(
                 &NSequenceShard::CreateSequenceShard, TMailboxType::Revolving, appData.UserPoolId,
                 TMailboxType::Revolving, appData.SystemPoolId));
-        localConfig.TabletClassInfo[appData.DefaultTabletTypes.ReplicationController] = 
-            TLocalConfig::TTabletClassInfo(new TTabletSetupInfo( 
-                &NReplication::CreateController, TMailboxType::Revolving, appData.UserPoolId, 
-                TMailboxType::Revolving, appData.SystemPoolId)); 
+        localConfig.TabletClassInfo[appData.DefaultTabletTypes.ReplicationController] =
+            TLocalConfig::TTabletClassInfo(new TTabletSetupInfo(
+                &NReplication::CreateController, TMailboxType::Revolving, appData.UserPoolId,
+                TMailboxType::Revolving, appData.SystemPoolId));
     }
 
     void TServer::SetupLocalService(ui32 nodeIdx, const TString &domainName) {
@@ -653,14 +653,14 @@ namespace Tests {
         }
 
         {
-            auto driverConfig = NYdb::TDriverConfig().SetEndpoint(TStringBuilder() << "localhost:" << Settings->GrpcPort); 
-            if (!Driver) { 
-                Driver.Reset(new NYdb::TDriver(driverConfig)); 
-            } 
-            Runtime->GetAppData(nodeIdx).YdbDriver = Driver.Get(); 
-        } 
- 
-        { 
+            auto driverConfig = NYdb::TDriverConfig().SetEndpoint(TStringBuilder() << "localhost:" << Settings->GrpcPort);
+            if (!Driver) {
+                Driver.Reset(new NYdb::TDriver(driverConfig));
+            }
+            Runtime->GetAppData(nodeIdx).YdbDriver = Driver.Get();
+        }
+
+        {
             if (Settings->PQConfig.GetEnabled() == true) {
                 IActor *pqMetaCache = NMsgBusProxy::NPqMetaCacheV2::CreatePQMetaCache(
                         new NMonitoring::TDynamicCounters(), TDuration::Seconds(1)
@@ -1303,23 +1303,23 @@ namespace Tests {
         return (NMsgBusProxy::EResponseStatus)response.GetStatus();
     }
 
-    NMsgBusProxy::EResponseStatus TClient::CreateUser(const TString& parent, const TString& user, const TString& password) { 
-        TAutoPtr<NMsgBusProxy::TBusSchemeOperation> request(new NMsgBusProxy::TBusSchemeOperation()); 
-        auto* op = request->Record.MutableTransaction()->MutableModifyScheme(); 
-        op->SetOperationType(NKikimrSchemeOp::EOperationType::ESchemeOpAlterLogin); 
-        op->SetWorkingDir(parent); 
- 
-        auto* createUser = op->MutableAlterLogin()->MutableCreateUser(); 
-        createUser->SetUser(user); 
-        createUser->SetPassword(password); 
- 
-        TAutoPtr<NBus::TBusMessage> reply; 
-        NBus::EMessageStatus status = SendAndWaitCompletion(request.Release(), reply); 
-        UNIT_ASSERT_VALUES_EQUAL(status, NBus::MESSAGE_OK); 
-        const NKikimrClient::TResponse &response = dynamic_cast<NMsgBusProxy::TBusResponse *>(reply.Get())->Record; 
-        return (NMsgBusProxy::EResponseStatus)response.GetStatus(); 
-    } 
- 
+    NMsgBusProxy::EResponseStatus TClient::CreateUser(const TString& parent, const TString& user, const TString& password) {
+        TAutoPtr<NMsgBusProxy::TBusSchemeOperation> request(new NMsgBusProxy::TBusSchemeOperation());
+        auto* op = request->Record.MutableTransaction()->MutableModifyScheme();
+        op->SetOperationType(NKikimrSchemeOp::EOperationType::ESchemeOpAlterLogin);
+        op->SetWorkingDir(parent);
+
+        auto* createUser = op->MutableAlterLogin()->MutableCreateUser();
+        createUser->SetUser(user);
+        createUser->SetPassword(password);
+
+        TAutoPtr<NBus::TBusMessage> reply;
+        NBus::EMessageStatus status = SendAndWaitCompletion(request.Release(), reply);
+        UNIT_ASSERT_VALUES_EQUAL(status, NBus::MESSAGE_OK);
+        const NKikimrClient::TResponse &response = dynamic_cast<NMsgBusProxy::TBusResponse *>(reply.Get())->Record;
+        return (NMsgBusProxy::EResponseStatus)response.GetStatus();
+    }
+
     NMsgBusProxy::EResponseStatus TClient::CreateTable(const TString& parent, const NKikimrSchemeOp::TTableDescription &table, TDuration timeout) {
         TAutoPtr<NMsgBusProxy::TBusSchemeOperation> request(new NMsgBusProxy::TBusSchemeOperation());
         auto *op = request->Record.MutableTransaction()->MutableModifyScheme();
@@ -1607,7 +1607,7 @@ namespace Tests {
         return (NMsgBusProxy::EResponseStatus)response.GetStatus();
     }
 
-    TAutoPtr<NMsgBusProxy::TBusResponse> TClient::LsImpl(const TString& path) { 
+    TAutoPtr<NMsgBusProxy::TBusResponse> TClient::LsImpl(const TString& path) {
         TAutoPtr<NMsgBusProxy::TBusSchemeDescribe> request(new NMsgBusProxy::TBusSchemeDescribe());
         request->Record.SetPath(path);
         request->Record.MutableOptions()->SetShowPrivateTable(true);
@@ -1620,10 +1620,10 @@ namespace Tests {
         return dynamic_cast<NMsgBusProxy::TBusResponse*>(reply.Release());
     }
 
-    TAutoPtr<NMsgBusProxy::TBusResponse> TClient::Ls(const TString& path) { 
-        return LsImpl(path).Release(); 
-    } 
- 
+    TAutoPtr<NMsgBusProxy::TBusResponse> TClient::Ls(const TString& path) {
+        return LsImpl(path).Release();
+    }
+
     TClient::TPathVersion TClient::ExtractPathVersion(const TAutoPtr<NMsgBusProxy::TBusResponse>& describe) {
         UNIT_ASSERT(describe.Get());
         auto& record = describe->Record;
@@ -1665,7 +1665,7 @@ namespace Tests {
         entry.Operation = NSchemeCache::TSchemeCacheNavigate::OpPath;
         runtime->Send(
             new IEventHandle(
-                MakeSchemeCacheID(), 
+                MakeSchemeCacheID(),
                 sender,
                 new TEvTxProxySchemeCache::TEvNavigateKeySet(request.Release())),
             nodeIdx);
diff --git a/ydb/core/testlib/test_client.h b/ydb/core/testlib/test_client.h
index acbcb0d610..2064752ab4 100644
--- a/ydb/core/testlib/test_client.h
+++ b/ydb/core/testlib/test_client.h
@@ -76,7 +76,7 @@ namespace Tests {
     NMiniKQL::IFunctionRegistry* DefaultFrFactory(const NScheme::TTypeRegistry& typeRegistry);
 
 
-    struct TServerSettings: public TThrRefBase, public TTestFeatureFlagsHolder<TServerSettings> { 
+    struct TServerSettings: public TThrRefBase, public TTestFeatureFlagsHolder<TServerSettings> {
         static constexpr ui64 BOX_ID = 999;
         ui64 POOL_ID = 1;
 
@@ -114,8 +114,8 @@ namespace Tests {
         bool EnableKqpSpilling = false;
         bool EnableYq = false;
         TDuration KeepSnapshotTimeout = TDuration::Zero();
-        ui64 ChangesQueueItemsLimit = 0; 
-        ui64 ChangesQueueBytesLimit = 0; 
+        ui64 ChangesQueueItemsLimit = 0;
+        ui64 ChangesQueueBytesLimit = 0;
         NKikimrConfig::TAppConfig AppConfig;
         NKikimrConfig::TCompactionConfig CompactionConfig;
         TMap<ui32, TString> NodeKeys;
@@ -156,8 +156,8 @@ namespace Tests {
         TServerSettings& SetEnableDbCounters(bool value) { FeatureFlags.SetEnableDbCounters(value); return *this; }
         TServerSettings& SetEnableYq(bool value) { EnableYq = value; return *this; }
         TServerSettings& SetKeepSnapshotTimeout(TDuration value) { KeepSnapshotTimeout = value; return *this; }
-        TServerSettings& SetChangesQueueItemsLimit(ui64 value) { ChangesQueueItemsLimit = value; return *this; } 
-        TServerSettings& SetChangesQueueBytesLimit(ui64 value) { ChangesQueueBytesLimit = value; return *this; } 
+        TServerSettings& SetChangesQueueItemsLimit(ui64 value) { ChangesQueueItemsLimit = value; return *this; }
+        TServerSettings& SetChangesQueueBytesLimit(ui64 value) { ChangesQueueBytesLimit = value; return *this; }
         TServerSettings& SetMeteringFilePath(const TString& path) { EnableMetering = true; MeteringFilePath = path; return *this; }
         TServerSettings& SetPersQueueGetReadSessionsInfoWorkerFactory(
             std::shared_ptr<NKikimr::NMsgBusProxy::IPersQueueGetReadSessionsInfoWorkerFactory> factory
@@ -357,7 +357,7 @@ namespace Tests {
         NMsgBusProxy::EResponseStatus DeleteSubdomain(const TString& parent, const TString &name);
         NMsgBusProxy::EResponseStatus ForceDeleteSubdomain(const TString& parent, const TString &name);
         NMsgBusProxy::EResponseStatus ForceDeleteUnsafe(const TString& parent, const TString &name);
-        NMsgBusProxy::EResponseStatus CreateUser(const TString& parent, const TString& user, const TString& password); 
+        NMsgBusProxy::EResponseStatus CreateUser(const TString& parent, const TString& user, const TString& password);
 
         NMsgBusProxy::EResponseStatus CreateTable(const TString& parent, const TString& scheme, TDuration timeout = TDuration::Seconds(5000));
         NMsgBusProxy::EResponseStatus CreateTable(const TString& parent, const NKikimrSchemeOp::TTableDescription &table, TDuration timeout = TDuration::Seconds(5000));
@@ -494,8 +494,8 @@ namespace Tests {
             return id - offset;
         }
 
-        TAutoPtr<NMsgBusProxy::TBusResponse> LsImpl(const TString& path); 
- 
+        TAutoPtr<NMsgBusProxy::TBusResponse> LsImpl(const TString& path);
+
         static void SetApplyIf(NKikimrSchemeOp::TModifyScheme& transaction, const TApplyIf& applyIf) {
             for (auto& pathVer: applyIf) {
                 auto item = transaction.AddApplyIf();
diff --git a/ydb/core/testlib/ya.make b/ydb/core/testlib/ya.make
index 1d385cba32..137fa829f3 100644
--- a/ydb/core/testlib/ya.make
+++ b/ydb/core/testlib/ya.make
@@ -73,7 +73,7 @@ PEERDIR(
     ydb/core/tx/coordinator
     ydb/core/tx/long_tx_service
     ydb/core/tx/mediator
-    ydb/core/tx/replication/controller 
+    ydb/core/tx/replication/controller
     ydb/core/tx/sequenceproxy
     ydb/core/tx/sequenceshard
     ydb/core/tx/time_cast
@@ -92,7 +92,7 @@ PEERDIR(
     ydb/public/sdk/cpp/client/ydb_driver
     ydb/public/sdk/cpp/client/ydb_persqueue_public/codecs
     ydb/public/sdk/cpp/client/ydb_table
-    ydb/services/auth 
+    ydb/services/auth
     ydb/services/cms
     ydb/services/datastreams
     ydb/services/discovery
diff --git a/ydb/core/tx/datashard/alter_cdc_stream_unit.cpp b/ydb/core/tx/datashard/alter_cdc_stream_unit.cpp
index 9425692c5a..b79d501736 100644
--- a/ydb/core/tx/datashard/alter_cdc_stream_unit.cpp
+++ b/ydb/core/tx/datashard/alter_cdc_stream_unit.cpp
@@ -1,59 +1,59 @@
-#include "datashard_impl.h" 
-#include "datashard_pipeline.h" 
-#include "execution_unit_ctors.h" 
- 
-namespace NKikimr { 
+#include "datashard_impl.h"
+#include "datashard_pipeline.h"
+#include "execution_unit_ctors.h"
+
+namespace NKikimr {
 namespace NDataShard {
- 
-class TAlterCdcStreamUnit : public TExecutionUnit { 
-public: 
+
+class TAlterCdcStreamUnit : public TExecutionUnit {
+public:
     TAlterCdcStreamUnit(TDataShard& self, TPipeline& pipeline)
-        : TExecutionUnit(EExecutionUnitKind::AlterCdcStream, false, self, pipeline) 
-    { 
-    } 
- 
-    bool IsReadyToExecute(TOperation::TPtr) const override { 
-        return true; 
-    } 
- 
-    EExecutionStatus Execute(TOperation::TPtr op, TTransactionContext& txc, const TActorContext& ctx) override { 
-        Y_VERIFY(op->IsSchemeTx()); 
- 
-        TActiveTransaction* tx = dynamic_cast<TActiveTransaction*>(op.Get()); 
-        Y_VERIFY_S(tx, "cannot cast operation of kind " << op->GetKind()); 
- 
-        auto& schemeTx = tx->GetSchemeTx(); 
-        if (!schemeTx.HasAlterCdcStreamNotice()) { 
-            return EExecutionStatus::Executed; 
-        } 
- 
-        const auto& params = schemeTx.GetAlterCdcStreamNotice(); 
-        const auto& streamDesc = params.GetStreamDescription(); 
- 
-        const auto pathId = TPathId(params.GetPathId().GetOwnerId(), params.GetPathId().GetLocalId()); 
-        Y_VERIFY(pathId.OwnerId == DataShard.GetPathOwnerId()); 
- 
-        const auto streamPathId = TPathId(streamDesc.GetPathId().GetOwnerId(), streamDesc.GetPathId().GetLocalId()); 
-        Y_VERIFY(streamPathId.OwnerId == DataShard.GetPathOwnerId()); 
- 
+        : TExecutionUnit(EExecutionUnitKind::AlterCdcStream, false, self, pipeline)
+    {
+    }
+
+    bool IsReadyToExecute(TOperation::TPtr) const override {
+        return true;
+    }
+
+    EExecutionStatus Execute(TOperation::TPtr op, TTransactionContext& txc, const TActorContext& ctx) override {
+        Y_VERIFY(op->IsSchemeTx());
+
+        TActiveTransaction* tx = dynamic_cast<TActiveTransaction*>(op.Get());
+        Y_VERIFY_S(tx, "cannot cast operation of kind " << op->GetKind());
+
+        auto& schemeTx = tx->GetSchemeTx();
+        if (!schemeTx.HasAlterCdcStreamNotice()) {
+            return EExecutionStatus::Executed;
+        }
+
+        const auto& params = schemeTx.GetAlterCdcStreamNotice();
+        const auto& streamDesc = params.GetStreamDescription();
+
+        const auto pathId = TPathId(params.GetPathId().GetOwnerId(), params.GetPathId().GetLocalId());
+        Y_VERIFY(pathId.OwnerId == DataShard.GetPathOwnerId());
+
+        const auto streamPathId = TPathId(streamDesc.GetPathId().GetOwnerId(), streamDesc.GetPathId().GetLocalId());
+        Y_VERIFY(streamPathId.OwnerId == DataShard.GetPathOwnerId());
+
         Y_VERIFY_S(streamDesc.GetState() == NKikimrSchemeOp::ECdcStreamStateDisabled, "Unexpected alter cdc stream"
-            << ": desc# " << streamDesc.ShortDebugString()); 
-        auto tableInfo = DataShard.AlterTableDisableCdcStream(ctx, txc, pathId, params.GetTableSchemaVersion(), streamPathId); 
-        DataShard.AddUserTable(pathId, tableInfo); 
- 
-        BuildResult(op, NKikimrTxDataShard::TEvProposeTransactionResult::COMPLETE); 
-        op->Result()->SetStepOrderId(op->GetStepOrder().ToPair()); 
- 
-        return EExecutionStatus::DelayCompleteNoMoreRestarts; 
-    } 
- 
-    void Complete(TOperation::TPtr, const TActorContext&) override { 
-    } 
-}; 
- 
+            << ": desc# " << streamDesc.ShortDebugString());
+        auto tableInfo = DataShard.AlterTableDisableCdcStream(ctx, txc, pathId, params.GetTableSchemaVersion(), streamPathId);
+        DataShard.AddUserTable(pathId, tableInfo);
+
+        BuildResult(op, NKikimrTxDataShard::TEvProposeTransactionResult::COMPLETE);
+        op->Result()->SetStepOrderId(op->GetStepOrder().ToPair());
+
+        return EExecutionStatus::DelayCompleteNoMoreRestarts;
+    }
+
+    void Complete(TOperation::TPtr, const TActorContext&) override {
+    }
+};
+
 THolder<TExecutionUnit> CreateAlterCdcStreamUnit(TDataShard& self, TPipeline& pipeline) {
-    return THolder(new TAlterCdcStreamUnit(self, pipeline)); 
-} 
- 
+    return THolder(new TAlterCdcStreamUnit(self, pipeline));
+}
+
 } // namespace NDataShard
-} // namespace NKikimr 
+} // namespace NKikimr
diff --git a/ydb/core/tx/datashard/backup_restore_common.h b/ydb/core/tx/datashard/backup_restore_common.h
index b1938682b9..06571ca225 100644
--- a/ydb/core/tx/datashard/backup_restore_common.h
+++ b/ydb/core/tx/datashard/backup_restore_common.h
@@ -1,132 +1,132 @@
-#pragma once 
- 
-#include "defs.h" 
- 
-#include "datashard_impl.h" 
-#include "datashard_pipeline.h" 
-#include "execution_unit.h" 
- 
-namespace NKikimr { 
+#pragma once
+
+#include "defs.h"
+
+#include "datashard_impl.h"
+#include "datashard_pipeline.h"
+#include "execution_unit.h"
+
+namespace NKikimr {
 namespace NDataShard {
- 
-template <typename TEvCancel> 
-class TBackupRestoreUnitBase : public TExecutionUnit { 
-protected: 
-    using TBase = TBackupRestoreUnitBase<TEvCancel>; 
- 
-    virtual bool IsRelevant(TActiveTransaction* tx) const = 0; 
- 
-    virtual bool IsWaiting(TOperation::TPtr op) const = 0; 
-    virtual void SetWaiting(TOperation::TPtr op) = 0; 
-    virtual void ResetWaiting(TOperation::TPtr op) = 0; 
-    virtual bool Run(TOperation::TPtr op, TTransactionContext& txc, const TActorContext& ctx) = 0; 
- 
-    virtual bool HasResult(TOperation::TPtr op) const = 0; 
-    virtual void ProcessResult(TOperation::TPtr op, const TActorContext& ctx) = 0; 
- 
-    virtual void Cancel(TActiveTransaction* tx, const TActorContext& ctx) = 0; 
- 
-    void Abort(TOperation::TPtr op, const TActorContext& ctx, const TString& error) { 
-        TActiveTransaction* tx = dynamic_cast<TActiveTransaction*>(op.Get()); 
-        Y_VERIFY_S(tx, "cannot cast operation of kind " << op->GetKind()); 
- 
-        LOG_NOTICE_S(ctx, NKikimrServices::TX_DATASHARD, error); 
- 
-        BuildResult(op)->AddError(NKikimrTxDataShard::TError::WRONG_SHARD_STATE, error); 
-        ResetWaiting(op); 
- 
-        Cancel(tx, ctx); 
-    } 
- 
-private: 
-    void ProcessEvent(TAutoPtr<NActors::IEventHandle>& ev, TOperation::TPtr op, const TActorContext& ctx) { 
-        switch (ev->GetTypeRewrite()) { 
-            OHFunc(TEvCancel, Handle); 
-        } 
-    } 
- 
-    void Handle(typename TEvCancel::TPtr&, TOperation::TPtr op, const TActorContext& ctx) { 
-        if (IsWaiting(op)) { 
-            Abort(op, ctx, TStringBuilder() << "Interrupted " << GetKind() << " operation " << *op 
-                << " while waiting to finish at " << DataShard.TabletID()); 
-        } 
-    } 
- 
-    void PersistResult(TOperation::TPtr op, TTransactionContext& txc) { 
-        auto* schemeOp = DataShard.FindSchemaTx(op->GetTxId()); 
-        Y_VERIFY(schemeOp); 
- 
-        NIceDb::TNiceDb db(txc.DB); 
-        DataShard.PersistSchemeTxResult(db, *schemeOp); 
-    } 
- 
-public: 
+
+template <typename TEvCancel>
+class TBackupRestoreUnitBase : public TExecutionUnit {
+protected:
+    using TBase = TBackupRestoreUnitBase<TEvCancel>;
+
+    virtual bool IsRelevant(TActiveTransaction* tx) const = 0;
+
+    virtual bool IsWaiting(TOperation::TPtr op) const = 0;
+    virtual void SetWaiting(TOperation::TPtr op) = 0;
+    virtual void ResetWaiting(TOperation::TPtr op) = 0;
+    virtual bool Run(TOperation::TPtr op, TTransactionContext& txc, const TActorContext& ctx) = 0;
+
+    virtual bool HasResult(TOperation::TPtr op) const = 0;
+    virtual void ProcessResult(TOperation::TPtr op, const TActorContext& ctx) = 0;
+
+    virtual void Cancel(TActiveTransaction* tx, const TActorContext& ctx) = 0;
+
+    void Abort(TOperation::TPtr op, const TActorContext& ctx, const TString& error) {
+        TActiveTransaction* tx = dynamic_cast<TActiveTransaction*>(op.Get());
+        Y_VERIFY_S(tx, "cannot cast operation of kind " << op->GetKind());
+
+        LOG_NOTICE_S(ctx, NKikimrServices::TX_DATASHARD, error);
+
+        BuildResult(op)->AddError(NKikimrTxDataShard::TError::WRONG_SHARD_STATE, error);
+        ResetWaiting(op);
+
+        Cancel(tx, ctx);
+    }
+
+private:
+    void ProcessEvent(TAutoPtr<NActors::IEventHandle>& ev, TOperation::TPtr op, const TActorContext& ctx) {
+        switch (ev->GetTypeRewrite()) {
+            OHFunc(TEvCancel, Handle);
+        }
+    }
+
+    void Handle(typename TEvCancel::TPtr&, TOperation::TPtr op, const TActorContext& ctx) {
+        if (IsWaiting(op)) {
+            Abort(op, ctx, TStringBuilder() << "Interrupted " << GetKind() << " operation " << *op
+                << " while waiting to finish at " << DataShard.TabletID());
+        }
+    }
+
+    void PersistResult(TOperation::TPtr op, TTransactionContext& txc) {
+        auto* schemeOp = DataShard.FindSchemaTx(op->GetTxId());
+        Y_VERIFY(schemeOp);
+
+        NIceDb::TNiceDb db(txc.DB);
+        DataShard.PersistSchemeTxResult(db, *schemeOp);
+    }
+
+public:
     TBackupRestoreUnitBase(EExecutionUnitKind kind, TDataShard& self, TPipeline& pipeline)
-        : TExecutionUnit(kind, false, self, pipeline) 
-    { 
-    } 
- 
-    bool IsReadyToExecute(TOperation::TPtr op) const override final { 
-        if (!IsWaiting(op)) { 
-            return true; 
-        } 
- 
-        if (HasResult(op)) { 
-            return true; 
-        } 
- 
-        if (op->HasPendingInputEvents()) { 
-            return true; 
-        } 
- 
-        return false; 
-    } 
- 
-    EExecutionStatus Execute(TOperation::TPtr op, TTransactionContext& txc, const TActorContext& ctx) override final { 
-        TActiveTransaction* tx = dynamic_cast<TActiveTransaction*>(op.Get()); 
-        Y_VERIFY_S(tx, "cannot cast operation of kind " << op->GetKind()); 
- 
-        if (!IsRelevant(tx)) { 
-            return EExecutionStatus::Executed; 
-        } 
- 
-        if (!IsWaiting(op)) { 
-            LOG_DEBUG_S(ctx, NKikimrServices::TX_DATASHARD, "Starting a " << GetKind() << " operation" 
-                << " at " << DataShard.TabletID()); 
- 
-            if (!Run(op, txc, ctx)) { 
-                return EExecutionStatus::Executed; 
-            } 
- 
-            SetWaiting(op); 
-            Y_VERIFY_DEBUG(!HasResult(op)); 
-        } 
- 
-        if (HasResult(op)) { 
-            LOG_INFO_S(ctx, NKikimrServices::TX_DATASHARD, "" << GetKind() << " complete" 
-                << " at " << DataShard.TabletID()); 
- 
-            ProcessResult(op, ctx); 
-            PersistResult(op, txc); 
-            ResetWaiting(op); 
-        } 
- 
-        while (op->HasPendingInputEvents()) { 
-            ProcessEvent(op->InputEvents().front(), op, ctx); 
-            op->InputEvents().pop(); 
-        } 
- 
-        if (IsWaiting(op)) { 
-            return EExecutionStatus::Continue; 
-        } 
- 
-        return EExecutionStatus::Executed; 
-    } 
- 
-    void Complete(TOperation::TPtr, const TActorContext&) override final { 
-    } 
- 
-}; // TBackupRestoreUnitBase 
- 
+        : TExecutionUnit(kind, false, self, pipeline)
+    {
+    }
+
+    bool IsReadyToExecute(TOperation::TPtr op) const override final {
+        if (!IsWaiting(op)) {
+            return true;
+        }
+
+        if (HasResult(op)) {
+            return true;
+        }
+
+        if (op->HasPendingInputEvents()) {
+            return true;
+        }
+
+        return false;
+    }
+
+    EExecutionStatus Execute(TOperation::TPtr op, TTransactionContext& txc, const TActorContext& ctx) override final {
+        TActiveTransaction* tx = dynamic_cast<TActiveTransaction*>(op.Get());
+        Y_VERIFY_S(tx, "cannot cast operation of kind " << op->GetKind());
+
+        if (!IsRelevant(tx)) {
+            return EExecutionStatus::Executed;
+        }
+
+        if (!IsWaiting(op)) {
+            LOG_DEBUG_S(ctx, NKikimrServices::TX_DATASHARD, "Starting a " << GetKind() << " operation"
+                << " at " << DataShard.TabletID());
+
+            if (!Run(op, txc, ctx)) {
+                return EExecutionStatus::Executed;
+            }
+
+            SetWaiting(op);
+            Y_VERIFY_DEBUG(!HasResult(op));
+        }
+
+        if (HasResult(op)) {
+            LOG_INFO_S(ctx, NKikimrServices::TX_DATASHARD, "" << GetKind() << " complete"
+                << " at " << DataShard.TabletID());
+
+            ProcessResult(op, ctx);
+            PersistResult(op, txc);
+            ResetWaiting(op);
+        }
+
+        while (op->HasPendingInputEvents()) {
+            ProcessEvent(op->InputEvents().front(), op, ctx);
+            op->InputEvents().pop();
+        }
+
+        if (IsWaiting(op)) {
+            return EExecutionStatus::Continue;
+        }
+
+        return EExecutionStatus::Executed;
+    }
+
+    void Complete(TOperation::TPtr, const TActorContext&) override final {
+    }
+
+}; // TBackupRestoreUnitBase
+
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/backup_unit.cpp b/ydb/core/tx/datashard/backup_unit.cpp
index 7e88994781..002b3e74b2 100644
--- a/ydb/core/tx/datashard/backup_unit.cpp
+++ b/ydb/core/tx/datashard/backup_unit.cpp
@@ -1,49 +1,49 @@
 #include "export_iface.h"
-#include "backup_restore_common.h" 
+#include "backup_restore_common.h"
 #include "execution_unit_ctors.h"
-#include "export_scan.h" 
-#include "export_s3.h" 
+#include "export_scan.h"
+#include "export_s3.h"
 
 namespace NKikimr {
 namespace NDataShard {
 
-class TBackupUnit : public TBackupRestoreUnitBase<TEvDataShard::TEvCancelBackup> { 
-    using IBuffer = NExportScan::IBuffer; 
- 
-protected: 
-    bool IsRelevant(TActiveTransaction* tx) const override { 
-        return tx->GetSchemeTx().HasBackup(); 
-    } 
+class TBackupUnit : public TBackupRestoreUnitBase<TEvDataShard::TEvCancelBackup> {
+    using IBuffer = NExportScan::IBuffer;
 
-    bool IsWaiting(TOperation::TPtr op) const override { 
-        return op->IsWaitingForScan(); 
-    } 
+protected:
+    bool IsRelevant(TActiveTransaction* tx) const override {
+        return tx->GetSchemeTx().HasBackup();
+    }
 
-    void SetWaiting(TOperation::TPtr op) override { 
-        op->SetWaitingForScanFlag(); 
-    } 
+    bool IsWaiting(TOperation::TPtr op) const override {
+        return op->IsWaitingForScan();
+    }
 
-    void ResetWaiting(TOperation::TPtr op) override { 
-        op->ResetWaitingForScanFlag(); 
-    } 
+    void SetWaiting(TOperation::TPtr op) override {
+        op->SetWaitingForScanFlag();
+    }
+
+    void ResetWaiting(TOperation::TPtr op) override {
+        op->ResetWaitingForScanFlag();
+    }
 
-    bool Run(TOperation::TPtr op, TTransactionContext& txc, const TActorContext& ctx) override { 
-        TActiveTransaction* tx = dynamic_cast<TActiveTransaction*>(op.Get()); 
-        Y_VERIFY_S(tx, "cannot cast operation of kind " << op->GetKind()); 
+    bool Run(TOperation::TPtr op, TTransactionContext& txc, const TActorContext& ctx) override {
+        TActiveTransaction* tx = dynamic_cast<TActiveTransaction*>(op.Get());
+        Y_VERIFY_S(tx, "cannot cast operation of kind " << op->GetKind());
 
-        Y_VERIFY(tx->GetSchemeTx().HasBackup()); 
-        const auto& backup = tx->GetSchemeTx().GetBackup(); 
+        Y_VERIFY(tx->GetSchemeTx().HasBackup());
+        const auto& backup = tx->GetSchemeTx().GetBackup();
 
-        const ui64 tableId = backup.GetTableId(); 
+        const ui64 tableId = backup.GetTableId();
         Y_VERIFY(DataShard.GetUserTables().contains(tableId));
- 
-        const ui32 localTableId = DataShard.GetUserTables().at(tableId)->LocalTid; 
-        Y_VERIFY(txc.DB.GetScheme().GetTableInfo(localTableId)); 
- 
-        auto* appData = AppData(ctx); 
+
+        const ui32 localTableId = DataShard.GetUserTables().at(tableId)->LocalTid;
+        Y_VERIFY(txc.DB.GetScheme().GetTableInfo(localTableId));
+
+        auto* appData = AppData(ctx);
 
         std::shared_ptr<::NKikimr::NDataShard::IExport> exp;
-        if (backup.HasYTSettings()) { 
+        if (backup.HasYTSettings()) {
             auto* exportFactory = appData->DataShardExportFactory;
             if (exportFactory) {
                 const auto& settings = backup.GetYTSettings();
@@ -52,7 +52,7 @@ protected:
                 Abort(op, ctx, "Exports to YT are disabled");
                 return false;
             }
-        } else if (backup.HasS3Settings()) { 
+        } else if (backup.HasS3Settings()) {
             auto* exportFactory = appData->DataShardExportFactory;
             if (exportFactory) {
                 std::shared_ptr<IExport>(exportFactory->CreateExportToS3()).swap(exp);
@@ -60,91 +60,91 @@ protected:
                 Abort(op, ctx, "Exports to S3 are disabled");
                 return false;
             }
-        } else { 
-            Abort(op, ctx, "Unsupported backup task"); 
-            return false; 
-        } 
- 
-        const auto& columns = DataShard.GetUserTables().at(tableId)->Columns; 
-        const auto& scanSettings = backup.GetScanSettings(); 
-        const ui64 rowsLimit = scanSettings.GetRowsBatchSize() ? scanSettings.GetRowsBatchSize() : Max<ui64>(); 
-        const ui64 bytesLimit = scanSettings.GetBytesBatchSize(); 
- 
-        auto createUploader = [self = DataShard.SelfId(), txId = op->GetTxId(), columns, backup, exp]() { 
-            return exp->CreateUploader(self, txId, columns, backup); 
-        }; 
- 
+        } else {
+            Abort(op, ctx, "Unsupported backup task");
+            return false;
+        }
+
+        const auto& columns = DataShard.GetUserTables().at(tableId)->Columns;
+        const auto& scanSettings = backup.GetScanSettings();
+        const ui64 rowsLimit = scanSettings.GetRowsBatchSize() ? scanSettings.GetRowsBatchSize() : Max<ui64>();
+        const ui64 bytesLimit = scanSettings.GetBytesBatchSize();
+
+        auto createUploader = [self = DataShard.SelfId(), txId = op->GetTxId(), columns, backup, exp]() {
+            return exp->CreateUploader(self, txId, columns, backup);
+        };
+
         THolder<IBuffer> buffer{exp->CreateBuffer(columns, rowsLimit, bytesLimit)};
-        THolder<NTable::IScan> scan{CreateExportScan(std::move(buffer), createUploader)}; 
- 
-        const auto& taskName = appData->DataShardConfig.GetBackupTaskName(); 
-        const auto taskPrio = appData->DataShardConfig.GetBackupTaskPriority(); 
- 
+        THolder<NTable::IScan> scan{CreateExportScan(std::move(buffer), createUploader)};
+
+        const auto& taskName = appData->DataShardConfig.GetBackupTaskName();
+        const auto taskPrio = appData->DataShardConfig.GetBackupTaskPriority();
+
         ui64 readAheadLo = appData->DataShardConfig.GetBackupReadAheadLo();
         if (ui64 readAheadLoOverride = DataShard.GetBackupReadAheadLoOverride(); readAheadLoOverride > 0) {
             readAheadLo = readAheadLoOverride;
         }
- 
-        ui64 readAheadHi = appData->DataShardConfig.GetBackupReadAheadHi(); 
+
+        ui64 readAheadHi = appData->DataShardConfig.GetBackupReadAheadHi();
         if (ui64 readAheadHiOverride = DataShard.GetBackupReadAheadHiOverride(); readAheadHiOverride > 0) {
             readAheadHi = readAheadHiOverride;
         }
 
-        tx->SetScanTask(DataShard.QueueScan(localTableId, scan.Release(), op->GetTxId(), 
-            TScanOptions() 
-                .SetResourceBroker(taskName, taskPrio) 
-                .SetReadAhead(readAheadLo, readAheadHi) 
-                .SetReadPrio(TScanOptions::EReadPrio::Low) 
-        )); 
+        tx->SetScanTask(DataShard.QueueScan(localTableId, scan.Release(), op->GetTxId(),
+            TScanOptions()
+                .SetResourceBroker(taskName, taskPrio)
+                .SetReadAhead(readAheadLo, readAheadHi)
+                .SetReadPrio(TScanOptions::EReadPrio::Low)
+        ));
 
-        return true; 
+        return true;
     }
 
-    bool HasResult(TOperation::TPtr op) const override { 
-        return op->HasScanResult(); 
-    } 
+    bool HasResult(TOperation::TPtr op) const override {
+        return op->HasScanResult();
+    }
 
-    void ProcessResult(TOperation::TPtr op, const TActorContext&) override { 
-        TActiveTransaction* tx = dynamic_cast<TActiveTransaction*>(op.Get()); 
-        Y_VERIFY_S(tx, "cannot cast operation of kind " << op->GetKind()); 
- 
-        auto* result = CheckedCast<TExportScanProduct*>(op->ScanResult().Get()); 
-        auto* schemeOp = DataShard.FindSchemaTx(op->GetTxId()); 
+    void ProcessResult(TOperation::TPtr op, const TActorContext&) override {
+        TActiveTransaction* tx = dynamic_cast<TActiveTransaction*>(op.Get());
+        Y_VERIFY_S(tx, "cannot cast operation of kind " << op->GetKind());
+
+        auto* result = CheckedCast<TExportScanProduct*>(op->ScanResult().Get());
+        auto* schemeOp = DataShard.FindSchemaTx(op->GetTxId());
 
         schemeOp->Success = result->Success;
-        schemeOp->Error = std::move(result->Error); 
-        schemeOp->BytesProcessed = result->BytesRead; 
-        schemeOp->RowsProcessed = result->RowsRead; 
+        schemeOp->Error = std::move(result->Error);
+        schemeOp->BytesProcessed = result->BytesRead;
+        schemeOp->RowsProcessed = result->RowsRead;
 
         op->SetScanResult(nullptr);
-        tx->SetScanTask(0); 
+        tx->SetScanTask(0);
     }
 
-    void Cancel(TActiveTransaction* tx, const TActorContext&) override { 
-        if (!tx->GetScanTask()) { 
-            return; 
-        } 
+    void Cancel(TActiveTransaction* tx, const TActorContext&) override {
+        if (!tx->GetScanTask()) {
+            return;
+        }
 
-        const ui64 tableId = tx->GetSchemeTx().GetBackup().GetTableId(); 
+        const ui64 tableId = tx->GetSchemeTx().GetBackup().GetTableId();
 
         Y_VERIFY(DataShard.GetUserTables().contains(tableId));
-        const ui32 localTableId = DataShard.GetUserTables().at(tableId)->LocalTid; 
+        const ui32 localTableId = DataShard.GetUserTables().at(tableId)->LocalTid;
 
         DataShard.CancelScan(localTableId, tx->GetScanTask());
         tx->SetScanTask(0);
     }
 
-public: 
+public:
     TBackupUnit(TDataShard& self, TPipeline& pipeline)
-        : TBase(EExecutionUnitKind::Backup, self, pipeline) 
-    { 
-    } 
+        : TBase(EExecutionUnitKind::Backup, self, pipeline)
+    {
+    }
 
-}; // TBackupUnit 
+}; // TBackupUnit
 
 THolder<TExecutionUnit> CreateBackupUnit(TDataShard& self, TPipeline& pipeline) {
-    return THolder(new TBackupUnit(self, pipeline)); 
+    return THolder(new TBackupUnit(self, pipeline));
 }
 
-} // NDataShard 
-} // NKikimr 
+} // NDataShard
+} // NKikimr
diff --git a/ydb/core/tx/datashard/build_distributed_erase_tx_out_rs_unit.cpp b/ydb/core/tx/datashard/build_distributed_erase_tx_out_rs_unit.cpp
index d79b7dc8c4..ee90c2fc2b 100644
--- a/ydb/core/tx/datashard/build_distributed_erase_tx_out_rs_unit.cpp
+++ b/ydb/core/tx/datashard/build_distributed_erase_tx_out_rs_unit.cpp
@@ -1,190 +1,190 @@
-#include "datashard_active_transaction.h" 
-#include "datashard_distributed_erase.h" 
-#include "datashard_impl.h" 
-#include "datashard_pipeline.h" 
-#include "erase_rows_condition.h" 
-#include "execution_unit_ctors.h" 
- 
-#include <util/generic/bitmap.h> 
-#include <util/generic/hash.h> 
-#include <util/generic/hash_set.h> 
-#include <util/generic/ptr.h> 
- 
-namespace NKikimr { 
+#include "datashard_active_transaction.h"
+#include "datashard_distributed_erase.h"
+#include "datashard_impl.h"
+#include "datashard_pipeline.h"
+#include "erase_rows_condition.h"
+#include "execution_unit_ctors.h"
+
+#include <util/generic/bitmap.h>
+#include <util/generic/hash.h>
+#include <util/generic/hash_set.h>
+#include <util/generic/ptr.h>
+
+namespace NKikimr {
 namespace NDataShard {
- 
-class TBuildDistributedEraseTxOutRSUnit : public TExecutionUnit { 
-    static TVector<NTable::TTag> MakeTags(const TVector<NTable::TTag>& conditionTags, 
-            const google::protobuf::RepeatedField<ui32>& indexColumnIds) { 
- 
-        Y_VERIFY(conditionTags.size() == 1, "Multi-column conditions are not supported"); 
-        TVector<NTable::TTag> tags = conditionTags; 
- 
-        THashSet<NTable::TTag> uniqTags(tags.begin(), tags.end()); 
-        for (const auto columnId : indexColumnIds) { 
-            if (uniqTags.insert(columnId).second) { 
-                tags.push_back(columnId); 
-            } 
-        } 
- 
-        return tags; 
-    } 
- 
-    static TVector<TCell> ExtractIndexCells(const NTable::TRowState& row, const TVector<NTable::TTag>& tags, 
-            const google::protobuf::RepeatedField<ui32>& indexColumnIds) { 
- 
-        THashMap<ui32, ui32> tagToPos; 
-        for (ui32 pos = 0; pos < tags.size(); ++pos) { 
-            const auto tag = tags.at(pos); 
- 
-            Y_VERIFY_DEBUG(!tagToPos.contains(tag)); 
-            tagToPos.emplace(tag, pos); 
-        } 
- 
-        TVector<TCell> result; 
-        for (const auto columnId : indexColumnIds) { 
-            auto it = tagToPos.find(columnId); 
-            Y_VERIFY(it != tagToPos.end()); 
- 
-            const auto pos = it->second; 
-            Y_VERIFY(pos < row.Size()); 
- 
-            result.push_back(row.Get(pos)); 
-        } 
- 
-        return result; 
-    } 
- 
-    static bool CompareCells(const TVector<TRawTypeValue>& expectedValue, const TVector<TCell>& actualValue) { 
-        Y_VERIFY(expectedValue.size() == actualValue.size()); 
- 
-        for (ui32 pos = 0; pos < expectedValue.size(); ++pos) { 
-            const auto& expected = expectedValue.at(pos); 
-            const auto& actual = actualValue.at(pos); 
- 
-            if (0 != CompareTypedCells(actual, expected.AsRef(), expected.Type())) { 
-                return false; 
-            } 
-        } 
- 
-        return true; 
-    } 
- 
-public: 
+
+class TBuildDistributedEraseTxOutRSUnit : public TExecutionUnit {
+    static TVector<NTable::TTag> MakeTags(const TVector<NTable::TTag>& conditionTags,
+            const google::protobuf::RepeatedField<ui32>& indexColumnIds) {
+
+        Y_VERIFY(conditionTags.size() == 1, "Multi-column conditions are not supported");
+        TVector<NTable::TTag> tags = conditionTags;
+
+        THashSet<NTable::TTag> uniqTags(tags.begin(), tags.end());
+        for (const auto columnId : indexColumnIds) {
+            if (uniqTags.insert(columnId).second) {
+                tags.push_back(columnId);
+            }
+        }
+
+        return tags;
+    }
+
+    static TVector<TCell> ExtractIndexCells(const NTable::TRowState& row, const TVector<NTable::TTag>& tags,
+            const google::protobuf::RepeatedField<ui32>& indexColumnIds) {
+
+        THashMap<ui32, ui32> tagToPos;
+        for (ui32 pos = 0; pos < tags.size(); ++pos) {
+            const auto tag = tags.at(pos);
+
+            Y_VERIFY_DEBUG(!tagToPos.contains(tag));
+            tagToPos.emplace(tag, pos);
+        }
+
+        TVector<TCell> result;
+        for (const auto columnId : indexColumnIds) {
+            auto it = tagToPos.find(columnId);
+            Y_VERIFY(it != tagToPos.end());
+
+            const auto pos = it->second;
+            Y_VERIFY(pos < row.Size());
+
+            result.push_back(row.Get(pos));
+        }
+
+        return result;
+    }
+
+    static bool CompareCells(const TVector<TRawTypeValue>& expectedValue, const TVector<TCell>& actualValue) {
+        Y_VERIFY(expectedValue.size() == actualValue.size());
+
+        for (ui32 pos = 0; pos < expectedValue.size(); ++pos) {
+            const auto& expected = expectedValue.at(pos);
+            const auto& actual = actualValue.at(pos);
+
+            if (0 != CompareTypedCells(actual, expected.AsRef(), expected.Type())) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+public:
     TBuildDistributedEraseTxOutRSUnit(TDataShard& self, TPipeline& pipeline)
-        : TExecutionUnit(EExecutionUnitKind::BuildDistributedEraseTxOutRS, true, self, pipeline) 
-    { 
-    } 
- 
-    bool IsReadyToExecute(TOperation::TPtr) const override { 
-        return true; 
-    } 
- 
-    EExecutionStatus Execute(TOperation::TPtr op, TTransactionContext& txc, const TActorContext&) override { 
-        Y_VERIFY(op->IsDistributedEraseTx()); 
- 
-        TActiveTransaction* tx = dynamic_cast<TActiveTransaction*>(op.Get()); 
-        Y_VERIFY_S(tx, "cannot cast operation of kind " << op->GetKind()); 
- 
-        const auto& eraseTx = tx->GetDistributedEraseTx(); 
-        if (!eraseTx->HasDependents()) { 
-            return EExecutionStatus::Executed; 
-        } 
- 
-        const auto& request = eraseTx->GetRequest(); 
-        const ui64 tableId = request.GetTableId(); 
- 
-        Y_VERIFY(DataShard.GetUserTables().contains(tableId)); 
-        const TUserTable& tableInfo = *DataShard.GetUserTables().at(tableId); 
- 
+        : TExecutionUnit(EExecutionUnitKind::BuildDistributedEraseTxOutRS, true, self, pipeline)
+    {
+    }
+
+    bool IsReadyToExecute(TOperation::TPtr) const override {
+        return true;
+    }
+
+    EExecutionStatus Execute(TOperation::TPtr op, TTransactionContext& txc, const TActorContext&) override {
+        Y_VERIFY(op->IsDistributedEraseTx());
+
+        TActiveTransaction* tx = dynamic_cast<TActiveTransaction*>(op.Get());
+        Y_VERIFY_S(tx, "cannot cast operation of kind " << op->GetKind());
+
+        const auto& eraseTx = tx->GetDistributedEraseTx();
+        if (!eraseTx->HasDependents()) {
+            return EExecutionStatus::Executed;
+        }
+
+        const auto& request = eraseTx->GetRequest();
+        const ui64 tableId = request.GetTableId();
+
+        Y_VERIFY(DataShard.GetUserTables().contains(tableId));
+        const TUserTable& tableInfo = *DataShard.GetUserTables().at(tableId);
+
         THolder<IEraseRowsCondition> condition{CreateEraseRowsCondition(request)};
-        Y_VERIFY(condition.Get()); 
-        condition->Prepare(txc.DB.GetRowScheme(tableInfo.LocalTid), 0); 
- 
-        const auto tags = MakeTags(condition->Tags(), eraseTx->GetIndexColumnIds()); 
-        auto readVersion = DataShard.GetReadWriteVersions(tx).ReadVersion; 
-        bool pageFault = false; 
- 
-        TDynBitMap confirmedRows; 
-        for (ui32 i = 0; i < request.KeyColumnsSize(); ++i) { 
-            TSerializedCellVec keyCells; 
-            Y_VERIFY(TSerializedCellVec::TryParse(request.GetKeyColumns(i), keyCells)); 
-            Y_VERIFY(keyCells.GetCells().size() == tableInfo.KeyColumnTypes.size()); 
- 
-            TVector<TRawTypeValue> key; 
-            for (ui32 pos = 0; pos < tableInfo.KeyColumnTypes.size(); ++pos) { 
-                const NScheme::TTypeId type = tableInfo.KeyColumnTypes[pos]; 
-                const TCell& cell = keyCells.GetCells()[pos]; 
- 
-                key.emplace_back(TRawTypeValue(cell.AsRef(), type)); 
-            } 
- 
-            TSerializedCellVec indexCells; 
-            TVector<TRawTypeValue> indexTypedVals; 
-            if (!eraseTx->GetIndexColumns().empty()) { 
-                Y_VERIFY(i < static_cast<ui32>(eraseTx->GetIndexColumns().size())); 
-                Y_VERIFY(TSerializedCellVec::TryParse(eraseTx->GetIndexColumns().at(i), indexCells)); 
-                Y_VERIFY(indexCells.GetCells().size() == static_cast<ui32>(eraseTx->GetIndexColumnIds().size())); 
- 
-                for (ui32 pos = 0; pos < static_cast<ui32>(eraseTx->GetIndexColumnIds().size()); ++pos) { 
-                    auto it = tableInfo.Columns.find(eraseTx->GetIndexColumnIds().Get(pos)); 
-                    Y_VERIFY(it != tableInfo.Columns.end()); 
- 
-                    const NScheme::TTypeId type = it->second.Type; 
-                    const TCell& cell = indexCells.GetCells()[pos]; 
- 
-                    indexTypedVals.emplace_back(TRawTypeValue(cell.AsRef(), type)); 
-                } 
-            } 
- 
-            NTable::TRowState row; 
-            const auto ready = txc.DB.Select(tableInfo.LocalTid, key, tags, row, 0, readVersion); 
- 
-            if (pageFault) { 
-                continue; 
-            } 
- 
-            switch (ready) { 
-            case NTable::EReady::Page: 
-                pageFault = true; 
-                break; 
-            case NTable::EReady::Gone: 
-                confirmedRows.Reset(i); 
-                break; 
-            case NTable::EReady::Data: 
-                if (!condition->Check(row) || !CompareCells(indexTypedVals, ExtractIndexCells(row, tags, eraseTx->GetIndexColumnIds()))) { 
-                    confirmedRows.Reset(i); 
-                } else { 
-                    confirmedRows.Set(i); 
-                } 
-                break; 
-            } 
-        } 
- 
-        if (pageFault) { 
-            return EExecutionStatus::Restart; 
-        } 
- 
-        NKikimrTxDataShard::TDistributedEraseRS rs; 
-        rs.SetConfirmedRows(SerializeBitMap(confirmedRows)); 
-        const TString rsBody = rs.SerializeAsString(); 
- 
-        for (const auto& dependent : eraseTx->GetDependents()) { 
-            op->OutReadSets()[std::make_pair(DataShard.TabletID(), dependent.GetShardId())] = rsBody; 
-        } 
- 
-        eraseTx->SetConfirmedRows(std::move(confirmedRows)); 
- 
-        return EExecutionStatus::Executed; 
-    } 
- 
-    void Complete(TOperation::TPtr, const TActorContext&) override { 
-    } 
-}; 
- 
+        Y_VERIFY(condition.Get());
+        condition->Prepare(txc.DB.GetRowScheme(tableInfo.LocalTid), 0);
+
+        const auto tags = MakeTags(condition->Tags(), eraseTx->GetIndexColumnIds());
+        auto readVersion = DataShard.GetReadWriteVersions(tx).ReadVersion;
+        bool pageFault = false;
+
+        TDynBitMap confirmedRows;
+        for (ui32 i = 0; i < request.KeyColumnsSize(); ++i) {
+            TSerializedCellVec keyCells;
+            Y_VERIFY(TSerializedCellVec::TryParse(request.GetKeyColumns(i), keyCells));
+            Y_VERIFY(keyCells.GetCells().size() == tableInfo.KeyColumnTypes.size());
+
+            TVector<TRawTypeValue> key;
+            for (ui32 pos = 0; pos < tableInfo.KeyColumnTypes.size(); ++pos) {
+                const NScheme::TTypeId type = tableInfo.KeyColumnTypes[pos];
+                const TCell& cell = keyCells.GetCells()[pos];
+
+                key.emplace_back(TRawTypeValue(cell.AsRef(), type));
+            }
+
+            TSerializedCellVec indexCells;
+            TVector<TRawTypeValue> indexTypedVals;
+            if (!eraseTx->GetIndexColumns().empty()) {
+                Y_VERIFY(i < static_cast<ui32>(eraseTx->GetIndexColumns().size()));
+                Y_VERIFY(TSerializedCellVec::TryParse(eraseTx->GetIndexColumns().at(i), indexCells));
+                Y_VERIFY(indexCells.GetCells().size() == static_cast<ui32>(eraseTx->GetIndexColumnIds().size()));
+
+                for (ui32 pos = 0; pos < static_cast<ui32>(eraseTx->GetIndexColumnIds().size()); ++pos) {
+                    auto it = tableInfo.Columns.find(eraseTx->GetIndexColumnIds().Get(pos));
+                    Y_VERIFY(it != tableInfo.Columns.end());
+
+                    const NScheme::TTypeId type = it->second.Type;
+                    const TCell& cell = indexCells.GetCells()[pos];
+
+                    indexTypedVals.emplace_back(TRawTypeValue(cell.AsRef(), type));
+                }
+            }
+
+            NTable::TRowState row;
+            const auto ready = txc.DB.Select(tableInfo.LocalTid, key, tags, row, 0, readVersion);
+
+            if (pageFault) {
+                continue;
+            }
+
+            switch (ready) {
+            case NTable::EReady::Page:
+                pageFault = true;
+                break;
+            case NTable::EReady::Gone:
+                confirmedRows.Reset(i);
+                break;
+            case NTable::EReady::Data:
+                if (!condition->Check(row) || !CompareCells(indexTypedVals, ExtractIndexCells(row, tags, eraseTx->GetIndexColumnIds()))) {
+                    confirmedRows.Reset(i);
+                } else {
+                    confirmedRows.Set(i);
+                }
+                break;
+            }
+        }
+
+        if (pageFault) {
+            return EExecutionStatus::Restart;
+        }
+
+        NKikimrTxDataShard::TDistributedEraseRS rs;
+        rs.SetConfirmedRows(SerializeBitMap(confirmedRows));
+        const TString rsBody = rs.SerializeAsString();
+
+        for (const auto& dependent : eraseTx->GetDependents()) {
+            op->OutReadSets()[std::make_pair(DataShard.TabletID(), dependent.GetShardId())] = rsBody;
+        }
+
+        eraseTx->SetConfirmedRows(std::move(confirmedRows));
+
+        return EExecutionStatus::Executed;
+    }
+
+    void Complete(TOperation::TPtr, const TActorContext&) override {
+    }
+};
+
 THolder<TExecutionUnit> CreateBuildDistributedEraseTxOutRSUnit(TDataShard& self, TPipeline& pipeline) {
-    return THolder(new TBuildDistributedEraseTxOutRSUnit(self, pipeline)); 
-} 
- 
+    return THolder(new TBuildDistributedEraseTxOutRSUnit(self, pipeline));
+}
+
 } // namespace NDataShard
-} // namespace NKikimr 
+} // namespace NKikimr
diff --git a/ydb/core/tx/datashard/change_collector.cpp b/ydb/core/tx/datashard/change_collector.cpp
index be0b6f664b..be21b22cbf 100644
--- a/ydb/core/tx/datashard/change_collector.cpp
+++ b/ydb/core/tx/datashard/change_collector.cpp
@@ -1,110 +1,110 @@
-#include "change_collector.h" 
-#include "change_collector_async_index.h" 
-#include "change_collector_cdc_stream.h" 
-#include "datashard_impl.h" 
- 
-#include <util/generic/vector.h> 
- 
-namespace NKikimr { 
+#include "change_collector.h"
+#include "change_collector_async_index.h"
+#include "change_collector_cdc_stream.h"
+#include "datashard_impl.h"
+
+#include <util/generic/vector.h>
+
+namespace NKikimr {
 namespace NDataShard {
- 
-using namespace NMiniKQL; 
- 
-class TChangeCollectorProxy: public IChangeCollector { 
-public: 
-    void AddUnderlying(THolder<IChangeCollector> collector) { 
-        Underlying.emplace_back(std::move(collector)); 
-    } 
- 
-    bool NeedToReadKeys() const override { 
-        for (const auto& collector : Underlying) { 
-            if (collector->NeedToReadKeys()) { 
-                return true; 
-            } 
-        } 
- 
-        return false; 
-    } 
- 
-    void SetReadVersion(const TRowVersion& readVersion) override { 
-        for (auto& collector : Underlying) { 
-            collector->SetReadVersion(readVersion); 
-        } 
-    } 
- 
-    void SetWriteVersion(const TRowVersion& writeVersion) override { 
-        for (auto& collector : Underlying) { 
-            collector->SetWriteVersion(writeVersion); 
-        } 
-    } 
- 
+
+using namespace NMiniKQL;
+
+class TChangeCollectorProxy: public IChangeCollector {
+public:
+    void AddUnderlying(THolder<IChangeCollector> collector) {
+        Underlying.emplace_back(std::move(collector));
+    }
+
+    bool NeedToReadKeys() const override {
+        for (const auto& collector : Underlying) {
+            if (collector->NeedToReadKeys()) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    void SetReadVersion(const TRowVersion& readVersion) override {
+        for (auto& collector : Underlying) {
+            collector->SetReadVersion(readVersion);
+        }
+    }
+
+    void SetWriteVersion(const TRowVersion& writeVersion) override {
+        for (auto& collector : Underlying) {
+            collector->SetWriteVersion(writeVersion);
+        }
+    }
+
     bool Collect(const TTableId& tableId, NTable::ERowOp rop,
-        TArrayRef<const TRawTypeValue> key, TArrayRef<const NTable::TUpdateOp> updates) override 
-    { 
-        for (auto& collector : Underlying) { 
-            if (!collector->Collect(tableId, rop, key, updates)) { 
-                return false; 
-            } 
-        } 
- 
-        return true; 
-    } 
- 
-    const TVector<TChange>& GetCollected() const override { 
-        CollectedBuf.clear(); 
- 
-        for (const auto& collector : Underlying) { 
-            const auto& collected = collector->GetCollected(); 
-            std::copy(collected.begin(), collected.end(), std::back_inserter(CollectedBuf)); 
-        } 
- 
-        return CollectedBuf; 
-    } 
- 
-    TVector<TChange>&& GetCollected() override { 
-        CollectedBuf.clear(); 
- 
-        for (auto& collector : Underlying) { 
-            auto collected = std::move(collector->GetCollected()); 
-            std::move(collected.begin(), collected.end(), std::back_inserter(CollectedBuf)); 
-        } 
- 
-        return std::move(CollectedBuf); 
-    } 
- 
-    void Reset() override { 
-        for (auto& collector : Underlying) { 
-            collector->Reset(); 
-        } 
- 
-        CollectedBuf.clear(); 
-    } 
- 
-private: 
-    TVector<THolder<IChangeCollector>> Underlying; 
-    mutable TVector<TChange> CollectedBuf; 
- 
-}; // TChangeCollectorProxy 
- 
-IChangeCollector* CreateChangeCollector(TDataShard& dataShard, NTable::TDatabase& db, const TUserTable& table, bool isImmediateTx) { 
-    auto proxy = MakeHolder<TChangeCollectorProxy>(); 
- 
-    if (table.HasAsyncIndexes()) { 
-        proxy->AddUnderlying(MakeHolder<TAsyncIndexChangeCollector>(&dataShard, db, isImmediateTx)); 
-    } 
- 
-    if (table.HasCdcStreams()) { 
-        proxy->AddUnderlying(MakeHolder<TCdcStreamChangeCollector>(&dataShard, db, isImmediateTx)); 
-    } 
- 
-    return proxy.Release(); 
-} 
- 
-IChangeCollector* CreateChangeCollector(TDataShard& dataShard, NTable::TDatabase& db, ui64 tableId, bool isImmediateTx) { 
-    Y_VERIFY(dataShard.GetUserTables().contains(tableId)); 
-    const TUserTable& tableInfo = *dataShard.GetUserTables().at(tableId); 
-    return CreateChangeCollector(dataShard, db, tableInfo, isImmediateTx); 
-} 
- 
+        TArrayRef<const TRawTypeValue> key, TArrayRef<const NTable::TUpdateOp> updates) override
+    {
+        for (auto& collector : Underlying) {
+            if (!collector->Collect(tableId, rop, key, updates)) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    const TVector<TChange>& GetCollected() const override {
+        CollectedBuf.clear();
+
+        for (const auto& collector : Underlying) {
+            const auto& collected = collector->GetCollected();
+            std::copy(collected.begin(), collected.end(), std::back_inserter(CollectedBuf));
+        }
+
+        return CollectedBuf;
+    }
+
+    TVector<TChange>&& GetCollected() override {
+        CollectedBuf.clear();
+
+        for (auto& collector : Underlying) {
+            auto collected = std::move(collector->GetCollected());
+            std::move(collected.begin(), collected.end(), std::back_inserter(CollectedBuf));
+        }
+
+        return std::move(CollectedBuf);
+    }
+
+    void Reset() override {
+        for (auto& collector : Underlying) {
+            collector->Reset();
+        }
+
+        CollectedBuf.clear();
+    }
+
+private:
+    TVector<THolder<IChangeCollector>> Underlying;
+    mutable TVector<TChange> CollectedBuf;
+
+}; // TChangeCollectorProxy
+
+IChangeCollector* CreateChangeCollector(TDataShard& dataShard, NTable::TDatabase& db, const TUserTable& table, bool isImmediateTx) {
+    auto proxy = MakeHolder<TChangeCollectorProxy>();
+
+    if (table.HasAsyncIndexes()) {
+        proxy->AddUnderlying(MakeHolder<TAsyncIndexChangeCollector>(&dataShard, db, isImmediateTx));
+    }
+
+    if (table.HasCdcStreams()) {
+        proxy->AddUnderlying(MakeHolder<TCdcStreamChangeCollector>(&dataShard, db, isImmediateTx));
+    }
+
+    return proxy.Release();
+}
+
+IChangeCollector* CreateChangeCollector(TDataShard& dataShard, NTable::TDatabase& db, ui64 tableId, bool isImmediateTx) {
+    Y_VERIFY(dataShard.GetUserTables().contains(tableId));
+    const TUserTable& tableInfo = *dataShard.GetUserTables().at(tableId);
+    return CreateChangeCollector(dataShard, db, tableInfo, isImmediateTx);
+}
+
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/change_collector.h b/ydb/core/tx/datashard/change_collector.h
index 29176dae89..7b24a8d46b 100644
--- a/ydb/core/tx/datashard/change_collector.h
+++ b/ydb/core/tx/datashard/change_collector.h
@@ -1,16 +1,16 @@
-#pragma once 
- 
+#pragma once
+
 #include <ydb/core/engine/minikql/change_collector_iface.h>
 #include <ydb/core/tablet_flat/flat_database.h>
- 
-namespace NKikimr { 
+
+namespace NKikimr {
 namespace NDataShard {
- 
-class TDataShard; 
-struct TUserTable; 
- 
-NMiniKQL::IChangeCollector* CreateChangeCollector(TDataShard& dataShard, NTable::TDatabase& db, const TUserTable& table, bool isImmediateTx); 
-NMiniKQL::IChangeCollector* CreateChangeCollector(TDataShard& dataShard, NTable::TDatabase& db, ui64 tableId, bool isImmediateTx); 
- 
+
+class TDataShard;
+struct TUserTable;
+
+NMiniKQL::IChangeCollector* CreateChangeCollector(TDataShard& dataShard, NTable::TDatabase& db, const TUserTable& table, bool isImmediateTx);
+NMiniKQL::IChangeCollector* CreateChangeCollector(TDataShard& dataShard, NTable::TDatabase& db, ui64 tableId, bool isImmediateTx);
+
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/change_collector_async_index.cpp b/ydb/core/tx/datashard/change_collector_async_index.cpp
index 09fd3aff18..6d6c068b11 100644
--- a/ydb/core/tx/datashard/change_collector_async_index.cpp
+++ b/ydb/core/tx/datashard/change_collector_async_index.cpp
@@ -1,302 +1,302 @@
-#include "change_collector_async_index.h" 
-#include "datashard_impl.h" 
- 
+#include "change_collector_async_index.h"
+#include "datashard_impl.h"
+
 #include <ydb/core/tablet_flat/flat_cxx_database.h>
- 
-namespace NKikimr { 
+
+namespace NKikimr {
 namespace NDataShard {
- 
-using namespace NMiniKQL; 
-using namespace NTable; 
- 
-class TCachedTagsBuilder { 
-    using TCachedTags = TAsyncIndexChangeCollector::TCachedTags; 
- 
-public: 
-    void MakeKeyTagToPos(const TVector<TTag>& keyTags) { 
-        for (TPos pos = 0; pos < keyTags.size(); ++pos) { 
-            KeyTagToPos.emplace(keyTags.at(pos), pos); 
-        } 
-    } 
- 
-    void AddIndexTags(const TVector<TTag>& tags) { 
-        IndexTags.insert(tags.begin(), tags.end()); 
-    } 
- 
-    void AddDataTags(const TVector<TTag>& tags) { 
-        DataTags.insert(tags.begin(), tags.end()); 
-    } 
- 
-    TCachedTags Build() { 
-        TVector<TTag> tags(Reserve(IndexTags.size() + DataTags.size())); 
- 
-        for (const auto tag : IndexTags) { 
-            tags.push_back(tag); 
-        } 
- 
-        for (const auto tag : DataTags) { 
-            tags.push_back(tag); 
-        } 
- 
-        Y_VERIFY(!tags.empty()); 
-        Y_VERIFY(!IndexTags.empty()); 
-        Y_VERIFY(!KeyTagToPos.empty()); 
- 
-        return TCachedTags(std::move(KeyTagToPos), std::move(tags), std::make_pair(0, IndexTags.size() - 1)); 
-    } 
- 
-private: 
-    THashMap<TTag, TPos> KeyTagToPos; 
-    THashSet<TTag> IndexTags; 
-    THashSet<TTag> DataTags; 
-}; 
- 
-template <typename C, typename E> 
-static THashMap<TTag, TPos> MakeTagToPos(const C& container, E extractor) { 
-    THashMap<TTag, TPos> tagToPos; 
- 
-    for (ui32 i = 0; i < container.size(); ++i) { 
-        const auto tag = extractor(container.at(i)); 
-        Y_VERIFY_DEBUG(!tagToPos.contains(tag)); 
-        tagToPos.emplace(tag, i); 
-    } 
- 
-    return tagToPos; 
-} 
- 
-bool TAsyncIndexChangeCollector::NeedToReadKeys() const { 
-    return true; 
-} 
- 
-void TAsyncIndexChangeCollector::SetReadVersion(const TRowVersion& readVersion) { 
-    ReadVersion = readVersion; 
-} 
- 
+
+using namespace NMiniKQL;
+using namespace NTable;
+
+class TCachedTagsBuilder {
+    using TCachedTags = TAsyncIndexChangeCollector::TCachedTags;
+
+public:
+    void MakeKeyTagToPos(const TVector<TTag>& keyTags) {
+        for (TPos pos = 0; pos < keyTags.size(); ++pos) {
+            KeyTagToPos.emplace(keyTags.at(pos), pos);
+        }
+    }
+
+    void AddIndexTags(const TVector<TTag>& tags) {
+        IndexTags.insert(tags.begin(), tags.end());
+    }
+
+    void AddDataTags(const TVector<TTag>& tags) {
+        DataTags.insert(tags.begin(), tags.end());
+    }
+
+    TCachedTags Build() {
+        TVector<TTag> tags(Reserve(IndexTags.size() + DataTags.size()));
+
+        for (const auto tag : IndexTags) {
+            tags.push_back(tag);
+        }
+
+        for (const auto tag : DataTags) {
+            tags.push_back(tag);
+        }
+
+        Y_VERIFY(!tags.empty());
+        Y_VERIFY(!IndexTags.empty());
+        Y_VERIFY(!KeyTagToPos.empty());
+
+        return TCachedTags(std::move(KeyTagToPos), std::move(tags), std::make_pair(0, IndexTags.size() - 1));
+    }
+
+private:
+    THashMap<TTag, TPos> KeyTagToPos;
+    THashSet<TTag> IndexTags;
+    THashSet<TTag> DataTags;
+};
+
+template <typename C, typename E>
+static THashMap<TTag, TPos> MakeTagToPos(const C& container, E extractor) {
+    THashMap<TTag, TPos> tagToPos;
+
+    for (ui32 i = 0; i < container.size(); ++i) {
+        const auto tag = extractor(container.at(i));
+        Y_VERIFY_DEBUG(!tagToPos.contains(tag));
+        tagToPos.emplace(tag, i);
+    }
+
+    return tagToPos;
+}
+
+bool TAsyncIndexChangeCollector::NeedToReadKeys() const {
+    return true;
+}
+
+void TAsyncIndexChangeCollector::SetReadVersion(const TRowVersion& readVersion) {
+    ReadVersion = readVersion;
+}
+
 bool TAsyncIndexChangeCollector::Collect(const TTableId& tableId, ERowOp rop,
-        TArrayRef<const TRawTypeValue> key, TArrayRef<const TUpdateOp> updates) 
-{ 
-    Y_VERIFY_S(Self->IsUserTable(tableId), "Unknown table: " << tableId); 
-    const auto localTableId = Self->GetLocalTableId(tableId); 
- 
-    auto userTable = Self->GetUserTables().at(tableId.PathId.LocalPathId); 
-    Y_VERIFY_S(key.size() == userTable->KeyColumnIds.size(), "Count doesn't match" 
-        << ": key# " << key.size() 
-        << ", tags# " << userTable->KeyColumnIds.size()); 
- 
-    switch (rop) { 
+        TArrayRef<const TRawTypeValue> key, TArrayRef<const TUpdateOp> updates)
+{
+    Y_VERIFY_S(Self->IsUserTable(tableId), "Unknown table: " << tableId);
+    const auto localTableId = Self->GetLocalTableId(tableId);
+
+    auto userTable = Self->GetUserTables().at(tableId.PathId.LocalPathId);
+    Y_VERIFY_S(key.size() == userTable->KeyColumnIds.size(), "Count doesn't match"
+        << ": key# " << key.size()
+        << ", tags# " << userTable->KeyColumnIds.size());
+
+    switch (rop) {
     case ERowOp::Upsert:
     case ERowOp::Erase:
     case ERowOp::Reset:
-        break; 
-    default: 
-        Y_FAIL_S("Unsupported row op: " << static_cast<ui8>(rop)); 
-    } 
- 
-    const auto& keyTagToPos = GetKeyTagToPos(tableId); 
-    const auto tagsToSelect = GetTagsToSelect(tableId, rop); 
- 
-    TRowState row; 
-    const auto ready = RowsCache.SelectRow(Db, localTableId, key, keyTagToPos, tagsToSelect, row, ReadVersion); 
- 
-    if (ready == EReady::Page) { 
-        return false; 
-    } 
- 
-    const bool generateDeletions = (ready != EReady::Gone); 
+        break;
+    default:
+        Y_FAIL_S("Unsupported row op: " << static_cast<ui8>(rop));
+    }
+
+    const auto& keyTagToPos = GetKeyTagToPos(tableId);
+    const auto tagsToSelect = GetTagsToSelect(tableId, rop);
+
+    TRowState row;
+    const auto ready = RowsCache.SelectRow(Db, localTableId, key, keyTagToPos, tagsToSelect, row, ReadVersion);
+
+    if (ready == EReady::Page) {
+        return false;
+    }
+
+    const bool generateDeletions = (ready != EReady::Gone);
     const bool generateUpdates = (rop != ERowOp::Erase);
- 
-    if (!generateDeletions && !generateUpdates) { 
-        return true; 
-    } 
- 
-    const auto tagToPos = MakeTagToPos(tagsToSelect, [](const auto tag) { return tag; }); 
-    const auto updatedTagToPos = MakeTagToPos(updates, [](const TUpdateOp& op) { return op.Tag; }); 
- 
-    for (const auto& [pathId, index] : userTable->Indexes) { 
-        if (index.Type != TUserTable::TTableIndex::EIndexType::EIndexTypeGlobalAsync) { 
-            continue; 
-        } 
- 
-        if (generateDeletions) { 
-            bool needDeletion = false; 
- 
-            for (const auto tag : index.KeyColumnIds) { 
+
+    if (!generateDeletions && !generateUpdates) {
+        return true;
+    }
+
+    const auto tagToPos = MakeTagToPos(tagsToSelect, [](const auto tag) { return tag; });
+    const auto updatedTagToPos = MakeTagToPos(updates, [](const TUpdateOp& op) { return op.Tag; });
+
+    for (const auto& [pathId, index] : userTable->Indexes) {
+        if (index.Type != TUserTable::TTableIndex::EIndexType::EIndexTypeGlobalAsync) {
+            continue;
+        }
+
+        if (generateDeletions) {
+            bool needDeletion = false;
+
+            for (const auto tag : index.KeyColumnIds) {
                 if (updatedTagToPos.contains(tag) || rop == ERowOp::Erase || rop == ERowOp::Reset) {
-                    needDeletion = true; 
-                } 
- 
-                Y_VERIFY(tagToPos.contains(tag)); 
-                Y_VERIFY(userTable->Columns.contains(tag)); 
-                FillKeyFromRowState(tag, tagToPos.at(tag), row, userTable->Columns.at(tag).Type); 
-            } 
- 
-            for (TPos pos = 0; pos < userTable->KeyColumnIds.size(); ++pos) { 
-                FillKeyFromKey(userTable->KeyColumnIds.at(pos), pos, key); 
-            } 
- 
-            if (needDeletion) { 
+                    needDeletion = true;
+                }
+
+                Y_VERIFY(tagToPos.contains(tag));
+                Y_VERIFY(userTable->Columns.contains(tag));
+                FillKeyFromRowState(tag, tagToPos.at(tag), row, userTable->Columns.at(tag).Type);
+            }
+
+            for (TPos pos = 0; pos < userTable->KeyColumnIds.size(); ++pos) {
+                FillKeyFromKey(userTable->KeyColumnIds.at(pos), pos, key);
+            }
+
+            if (needDeletion) {
                 Persist(pathId, ERowOp::Erase, IndexKeyVals, IndexKeyTags, {});
-            } 
- 
-            Clear(); 
-        } 
- 
-        if (generateUpdates) { 
-            bool needUpdate = false; 
- 
-            for (const auto tag : index.KeyColumnIds) { 
-                if (updatedTagToPos.contains(tag)) { 
-                    needUpdate = true; 
-                    FillKeyFromUpdate(tag, updatedTagToPos.at(tag), updates); 
-                } else { 
-                    Y_VERIFY(userTable->Columns.contains(tag)); 
-                    const auto& column = userTable->Columns.at(tag); 
- 
+            }
+
+            Clear();
+        }
+
+        if (generateUpdates) {
+            bool needUpdate = false;
+
+            for (const auto tag : index.KeyColumnIds) {
+                if (updatedTagToPos.contains(tag)) {
+                    needUpdate = true;
+                    FillKeyFromUpdate(tag, updatedTagToPos.at(tag), updates);
+                } else {
+                    Y_VERIFY(userTable->Columns.contains(tag));
+                    const auto& column = userTable->Columns.at(tag);
+
                     if (rop == ERowOp::Reset && !column.IsKey) {
-                        needUpdate = true; 
-                        FillKeyWithNull(tag, column.Type); 
-                    } else { 
-                        Y_VERIFY(tagToPos.contains(tag)); 
-                        FillKeyFromRowState(tag, tagToPos.at(tag), row, column.Type); 
-                    } 
-                } 
-            } 
- 
-            for (TPos pos = 0; pos < userTable->KeyColumnIds.size(); ++pos) { 
-                FillKeyFromKey(userTable->KeyColumnIds.at(pos), pos, key); 
-            } 
- 
-            for (const auto tag : index.DataColumnIds) { 
-                if (updatedTagToPos.contains(tag)) { 
-                    needUpdate = true; 
-                    FillDataFromUpdate(tag, updatedTagToPos.at(tag), updates); 
+                        needUpdate = true;
+                        FillKeyWithNull(tag, column.Type);
+                    } else {
+                        Y_VERIFY(tagToPos.contains(tag));
+                        FillKeyFromRowState(tag, tagToPos.at(tag), row, column.Type);
+                    }
+                }
+            }
+
+            for (TPos pos = 0; pos < userTable->KeyColumnIds.size(); ++pos) {
+                FillKeyFromKey(userTable->KeyColumnIds.at(pos), pos, key);
+            }
+
+            for (const auto tag : index.DataColumnIds) {
+                if (updatedTagToPos.contains(tag)) {
+                    needUpdate = true;
+                    FillDataFromUpdate(tag, updatedTagToPos.at(tag), updates);
                 } else if (rop == ERowOp::Reset) {
-                    needUpdate = true; 
-                    Y_VERIFY(userTable->Columns.contains(tag)); 
-                    FillDataWithNull(tag, userTable->Columns.at(tag).Type); 
-                } 
-            } 
- 
-            if (needUpdate) { 
+                    needUpdate = true;
+                    Y_VERIFY(userTable->Columns.contains(tag));
+                    FillDataWithNull(tag, userTable->Columns.at(tag).Type);
+                }
+            }
+
+            if (needUpdate) {
                 Persist(pathId, ERowOp::Upsert, IndexKeyVals, IndexKeyTags, IndexDataVals);
-            } 
- 
-            Clear(); 
-        } 
-    } 
- 
-    RowsCache.UpdateCachedRow(localTableId, rop, key, updates); 
-    return true; 
-} 
- 
-auto TAsyncIndexChangeCollector::CacheTags(const TTableId& tableId) const { 
-    Y_VERIFY(Self->GetUserTables().contains(tableId.PathId.LocalPathId)); 
-    auto userTable = Self->GetUserTables().at(tableId.PathId.LocalPathId); 
- 
-    TCachedTagsBuilder builder; 
-    builder.MakeKeyTagToPos(userTable->KeyColumnIds); 
- 
-    for (const auto& [_, index] : userTable->Indexes) { 
-        if (index.Type != TUserTable::TTableIndex::EIndexType::EIndexTypeGlobalAsync) { 
-            continue; 
-        } 
- 
-        builder.AddIndexTags(index.KeyColumnIds); 
-        builder.AddDataTags(index.DataColumnIds); 
-    } 
- 
-    return CachedTags.emplace(tableId, builder.Build()).first; 
-} 
- 
-const THashMap<TTag, TPos>& TAsyncIndexChangeCollector::GetKeyTagToPos(const TTableId& tableId) const { 
-    auto it = CachedTags.find(tableId); 
-    if (it == CachedTags.end()) { 
-        it = CacheTags(tableId); 
-    } 
- 
-    return it->second.KeyTagToPos; 
-} 
- 
+            }
+
+            Clear();
+        }
+    }
+
+    RowsCache.UpdateCachedRow(localTableId, rop, key, updates);
+    return true;
+}
+
+auto TAsyncIndexChangeCollector::CacheTags(const TTableId& tableId) const {
+    Y_VERIFY(Self->GetUserTables().contains(tableId.PathId.LocalPathId));
+    auto userTable = Self->GetUserTables().at(tableId.PathId.LocalPathId);
+
+    TCachedTagsBuilder builder;
+    builder.MakeKeyTagToPos(userTable->KeyColumnIds);
+
+    for (const auto& [_, index] : userTable->Indexes) {
+        if (index.Type != TUserTable::TTableIndex::EIndexType::EIndexTypeGlobalAsync) {
+            continue;
+        }
+
+        builder.AddIndexTags(index.KeyColumnIds);
+        builder.AddDataTags(index.DataColumnIds);
+    }
+
+    return CachedTags.emplace(tableId, builder.Build()).first;
+}
+
+const THashMap<TTag, TPos>& TAsyncIndexChangeCollector::GetKeyTagToPos(const TTableId& tableId) const {
+    auto it = CachedTags.find(tableId);
+    if (it == CachedTags.end()) {
+        it = CacheTags(tableId);
+    }
+
+    return it->second.KeyTagToPos;
+}
+
 TArrayRef<TTag> TAsyncIndexChangeCollector::GetTagsToSelect(const TTableId& tableId, ERowOp rop) const {
-    auto it = CachedTags.find(tableId); 
-    if (it == CachedTags.end()) { 
-        it = CacheTags(tableId); 
-    } 
- 
-    switch (rop) { 
+    auto it = CachedTags.find(tableId);
+    if (it == CachedTags.end()) {
+        it = CacheTags(tableId);
+    }
+
+    switch (rop) {
     case ERowOp::Upsert:
-        return it->second.Columns; 
+        return it->second.Columns;
     case ERowOp::Erase:
     case ERowOp::Reset:
-        return it->second.IndexColumns; 
-    default: 
-        Y_FAIL("unreachable"); 
-    } 
-} 
- 
-void TAsyncIndexChangeCollector::FillKeyFromRowState(TTag tag, TPos pos, const TRowState& rowState, NScheme::TTypeId type) { 
-    Y_VERIFY(pos < rowState.Size()); 
- 
-    IndexKeyVals.emplace_back(rowState.Get(pos).AsRef(), type); 
-    IndexKeyTags.emplace_back(tag); 
-    TagsSeen.insert(tag); 
-} 
- 
-void TAsyncIndexChangeCollector::FillKeyFromKey(TTag tag, TPos pos, TArrayRef<const TRawTypeValue> key) { 
-    Y_VERIFY(pos < key.size()); 
- 
-    if (TagsSeen.contains(tag)) { 
-        return; 
-    } 
- 
-    IndexKeyVals.emplace_back(key.at(pos)); 
-    IndexKeyTags.emplace_back(tag); 
-} 
- 
-void TAsyncIndexChangeCollector::FillKeyFromUpdate(TTag tag, TPos pos, TArrayRef<const TUpdateOp> updates) { 
-    Y_VERIFY(pos < updates.size()); 
- 
-    const auto& update = updates.at(pos); 
+        return it->second.IndexColumns;
+    default:
+        Y_FAIL("unreachable");
+    }
+}
+
+void TAsyncIndexChangeCollector::FillKeyFromRowState(TTag tag, TPos pos, const TRowState& rowState, NScheme::TTypeId type) {
+    Y_VERIFY(pos < rowState.Size());
+
+    IndexKeyVals.emplace_back(rowState.Get(pos).AsRef(), type);
+    IndexKeyTags.emplace_back(tag);
+    TagsSeen.insert(tag);
+}
+
+void TAsyncIndexChangeCollector::FillKeyFromKey(TTag tag, TPos pos, TArrayRef<const TRawTypeValue> key) {
+    Y_VERIFY(pos < key.size());
+
+    if (TagsSeen.contains(tag)) {
+        return;
+    }
+
+    IndexKeyVals.emplace_back(key.at(pos));
+    IndexKeyTags.emplace_back(tag);
+}
+
+void TAsyncIndexChangeCollector::FillKeyFromUpdate(TTag tag, TPos pos, TArrayRef<const TUpdateOp> updates) {
+    Y_VERIFY(pos < updates.size());
+
+    const auto& update = updates.at(pos);
     Y_VERIFY_S(update.Op == ECellOp::Set, "Unexpected op: " << update.Op.Raw());
- 
-    IndexKeyVals.emplace_back(update.Value); 
-    IndexKeyTags.emplace_back(tag); 
-    TagsSeen.insert(tag); 
-} 
- 
-void TAsyncIndexChangeCollector::FillKeyWithNull(TTag tag, NScheme::TTypeId type) { 
-    IndexKeyVals.emplace_back(TRawTypeValue({}, type)); 
-    IndexKeyTags.emplace_back(tag); 
-    TagsSeen.insert(tag); 
-} 
- 
-void TAsyncIndexChangeCollector::FillDataFromUpdate(TTag tag, TPos pos, TArrayRef<const TUpdateOp> updates) { 
-    Y_VERIFY(pos < updates.size()); 
- 
-    const auto& update = updates.at(pos); 
+
+    IndexKeyVals.emplace_back(update.Value);
+    IndexKeyTags.emplace_back(tag);
+    TagsSeen.insert(tag);
+}
+
+void TAsyncIndexChangeCollector::FillKeyWithNull(TTag tag, NScheme::TTypeId type) {
+    IndexKeyVals.emplace_back(TRawTypeValue({}, type));
+    IndexKeyTags.emplace_back(tag);
+    TagsSeen.insert(tag);
+}
+
+void TAsyncIndexChangeCollector::FillDataFromUpdate(TTag tag, TPos pos, TArrayRef<const TUpdateOp> updates) {
+    Y_VERIFY(pos < updates.size());
+
+    const auto& update = updates.at(pos);
     Y_VERIFY_S(update.Op == ECellOp::Set, "Unexpected op: " << update.Op.Raw());
- 
+
     IndexDataVals.emplace_back(tag, ECellOp::Set, update.Value);
-} 
- 
-void TAsyncIndexChangeCollector::FillDataWithNull(TTag tag, NScheme::TTypeId type) { 
+}
+
+void TAsyncIndexChangeCollector::FillDataWithNull(TTag tag, NScheme::TTypeId type) {
     IndexDataVals.emplace_back(tag, ECellOp::Set, TRawTypeValue({}, type));
-} 
- 
+}
+
 void TAsyncIndexChangeCollector::Persist(const TPathId& pathId, ERowOp rop,
-        TArrayRef<const TRawTypeValue> key, TArrayRef<const TTag> keyTags, TArrayRef<const TUpdateOp> updates) 
-{ 
-    NKikimrChangeExchange::TChangeRecord::TDataChange body; 
-    Serialize(body, rop, key, keyTags, updates); 
-    TBaseChangeCollector::Persist(TChangeRecord::EKind::AsyncIndex, pathId, body); 
-} 
- 
-void TAsyncIndexChangeCollector::Clear() { 
-    TagsSeen.clear(); 
-    IndexKeyTags.clear(); 
-    IndexKeyVals.clear(); 
-    IndexDataVals.clear(); 
-} 
- 
+        TArrayRef<const TRawTypeValue> key, TArrayRef<const TTag> keyTags, TArrayRef<const TUpdateOp> updates)
+{
+    NKikimrChangeExchange::TChangeRecord::TDataChange body;
+    Serialize(body, rop, key, keyTags, updates);
+    TBaseChangeCollector::Persist(TChangeRecord::EKind::AsyncIndex, pathId, body);
+}
+
+void TAsyncIndexChangeCollector::Clear() {
+    TagsSeen.clear();
+    IndexKeyTags.clear();
+    IndexKeyVals.clear();
+    IndexDataVals.clear();
+}
+
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/change_collector_async_index.h b/ydb/core/tx/datashard/change_collector_async_index.h
index 19349a9fb7..d908dc7ef2 100644
--- a/ydb/core/tx/datashard/change_collector_async_index.h
+++ b/ydb/core/tx/datashard/change_collector_async_index.h
@@ -1,75 +1,75 @@
-#pragma once 
- 
-#include "change_collector_base.h" 
-#include "change_collector_helpers.h" 
- 
-#include <util/generic/hash.h> 
-#include <util/generic/hash_set.h> 
-#include <util/generic/vector.h> 
- 
-namespace NKikimr { 
+#pragma once
+
+#include "change_collector_base.h"
+#include "change_collector_helpers.h"
+
+#include <util/generic/hash.h>
+#include <util/generic/hash_set.h>
+#include <util/generic/vector.h>
+
+namespace NKikimr {
 namespace NDataShard {
- 
-class TCachedTagsBuilder; 
- 
-class TAsyncIndexChangeCollector: public TBaseChangeCollector { 
-    friend class TCachedTagsBuilder; 
- 
-    struct TCachedTags { 
-        explicit TCachedTags( 
-                THashMap<NTable::TTag, NTable::TPos>&& keyTagToPos, 
-                TVector<NTable::TTag>&& columns, 
-                const std::pair<ui32, ui32>& indexRange) 
-            : KeyTagToPos(std::move(keyTagToPos)) 
-            , Columns(std::move(columns)) 
-            , IndexColumns(&Columns.at(indexRange.first), indexRange.second + 1) 
-        { 
-        } 
- 
-        THashMap<NTable::TTag, NTable::TPos> KeyTagToPos; 
-        TVector<NTable::TTag> Columns; // Index + Data 
-        TArrayRef<NTable::TTag> IndexColumns; 
-    }; 
- 
-    auto CacheTags(const TTableId& tableId) const; 
-    const THashMap<NTable::TTag, NTable::TPos>& GetKeyTagToPos(const TTableId& tableId) const; 
+
+class TCachedTagsBuilder;
+
+class TAsyncIndexChangeCollector: public TBaseChangeCollector {
+    friend class TCachedTagsBuilder;
+
+    struct TCachedTags {
+        explicit TCachedTags(
+                THashMap<NTable::TTag, NTable::TPos>&& keyTagToPos,
+                TVector<NTable::TTag>&& columns,
+                const std::pair<ui32, ui32>& indexRange)
+            : KeyTagToPos(std::move(keyTagToPos))
+            , Columns(std::move(columns))
+            , IndexColumns(&Columns.at(indexRange.first), indexRange.second + 1)
+        {
+        }
+
+        THashMap<NTable::TTag, NTable::TPos> KeyTagToPos;
+        TVector<NTable::TTag> Columns; // Index + Data
+        TArrayRef<NTable::TTag> IndexColumns;
+    };
+
+    auto CacheTags(const TTableId& tableId) const;
+    const THashMap<NTable::TTag, NTable::TPos>& GetKeyTagToPos(const TTableId& tableId) const;
     TArrayRef<NTable::TTag> GetTagsToSelect(const TTableId& tableId, NTable::ERowOp rop) const;
- 
-    void FillKeyFromRowState(NTable::TTag tag, NTable::TPos pos, const NTable::TRowState& rowState, NScheme::TTypeId type); 
-    void FillKeyFromKey(NTable::TTag tag, NTable::TPos pos, TArrayRef<const TRawTypeValue> key); 
-    void FillKeyFromUpdate(NTable::TTag tag, NTable::TPos pos, TArrayRef<const NTable::TUpdateOp> updates); 
-    void FillKeyWithNull(NTable::TTag tag, NScheme::TTypeId type); 
-    void FillDataFromUpdate(NTable::TTag tag, NTable::TPos pos, TArrayRef<const NTable::TUpdateOp> updates); 
-    void FillDataWithNull(NTable::TTag tag, NScheme::TTypeId type); 
- 
+
+    void FillKeyFromRowState(NTable::TTag tag, NTable::TPos pos, const NTable::TRowState& rowState, NScheme::TTypeId type);
+    void FillKeyFromKey(NTable::TTag tag, NTable::TPos pos, TArrayRef<const TRawTypeValue> key);
+    void FillKeyFromUpdate(NTable::TTag tag, NTable::TPos pos, TArrayRef<const NTable::TUpdateOp> updates);
+    void FillKeyWithNull(NTable::TTag tag, NScheme::TTypeId type);
+    void FillDataFromUpdate(NTable::TTag tag, NTable::TPos pos, TArrayRef<const NTable::TUpdateOp> updates);
+    void FillDataWithNull(NTable::TTag tag, NScheme::TTypeId type);
+
     void Persist(const TPathId& pathId, NTable::ERowOp rop,
-        TArrayRef<const TRawTypeValue> key, TArrayRef<const NTable::TTag> keyTags, 
-        TArrayRef<const NTable::TUpdateOp> updates); 
- 
-    void Clear(); 
- 
-public: 
-    using TBaseChangeCollector::TBaseChangeCollector; 
- 
-    bool NeedToReadKeys() const override; 
-    void SetReadVersion(const TRowVersion& readVersion) override; 
- 
+        TArrayRef<const TRawTypeValue> key, TArrayRef<const NTable::TTag> keyTags,
+        TArrayRef<const NTable::TUpdateOp> updates);
+
+    void Clear();
+
+public:
+    using TBaseChangeCollector::TBaseChangeCollector;
+
+    bool NeedToReadKeys() const override;
+    void SetReadVersion(const TRowVersion& readVersion) override;
+
     bool Collect(const TTableId& tableId, NTable::ERowOp rop,
-        TArrayRef<const TRawTypeValue> key, TArrayRef<const NTable::TUpdateOp> updates) override; 
- 
-private: 
-    TRowVersion ReadVersion; 
- 
-    mutable THashMap<TTableId, TCachedTags> CachedTags; 
-    TRowsCache RowsCache; 
- 
-    // reused between Collect() calls, cleared after every Clear() call 
-    THashSet<NTable::TTag> TagsSeen; 
-    TVector<NTable::TTag> IndexKeyTags; 
-    TVector<TRawTypeValue> IndexKeyVals; 
-    TVector<NTable::TUpdateOp> IndexDataVals; 
- 
-}; // TAsyncIndexChangeCollector 
- 
+        TArrayRef<const TRawTypeValue> key, TArrayRef<const NTable::TUpdateOp> updates) override;
+
+private:
+    TRowVersion ReadVersion;
+
+    mutable THashMap<TTableId, TCachedTags> CachedTags;
+    TRowsCache RowsCache;
+
+    // reused between Collect() calls, cleared after every Clear() call
+    THashSet<NTable::TTag> TagsSeen;
+    TVector<NTable::TTag> IndexKeyTags;
+    TVector<TRawTypeValue> IndexKeyVals;
+    TVector<NTable::TUpdateOp> IndexDataVals;
+
+}; // TAsyncIndexChangeCollector
+
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/change_collector_base.cpp b/ydb/core/tx/datashard/change_collector_base.cpp
index a166ecf71b..1df9173f1f 100644
--- a/ydb/core/tx/datashard/change_collector_base.cpp
+++ b/ydb/core/tx/datashard/change_collector_base.cpp
@@ -1,146 +1,146 @@
-#include "change_collector_base.h" 
-#include "datashard_impl.h" 
- 
+#include "change_collector_base.h"
+#include "datashard_impl.h"
+
 #include <ydb/core/tablet_flat/flat_cxx_database.h>
 #include <ydb/core/util/yverify_stream.h>
- 
-namespace NKikimr { 
+
+namespace NKikimr {
 namespace NDataShard {
- 
-using namespace NMiniKQL; 
-using namespace NTable; 
- 
+
+using namespace NMiniKQL;
+using namespace NTable;
+
 TBaseChangeCollector::TBaseChangeCollector(TDataShard* self, TDatabase& db, bool isImmediateTx)
-    : Self(self) 
-    , Db(db) 
-{ 
-    if (!isImmediateTx) { 
-        Group = 0; 
-    } 
-} 
- 
-bool TBaseChangeCollector::NeedToReadKeys() const { 
-    return false; 
-} 
- 
-void TBaseChangeCollector::SetReadVersion(const TRowVersion& readVersion) { 
-    Y_UNUSED(readVersion); 
-} 
- 
-void TBaseChangeCollector::SetWriteVersion(const TRowVersion& writeVersion) { 
-    WriteVersion = writeVersion; 
-} 
- 
-const TVector<IChangeCollector::TChange>& TBaseChangeCollector::GetCollected() const { 
-    return Collected; 
-} 
- 
-TVector<IChangeCollector::TChange>&& TBaseChangeCollector::GetCollected() { 
-    return std::move(Collected); 
-} 
- 
-void TBaseChangeCollector::Reset() { 
-    Collected.clear(); 
-} 
- 
-void TBaseChangeCollector::SerializeCells(TSerializedCells& out, TArrayRef<const TRawTypeValue> in, TArrayRef<const TTag> tags) { 
-    Y_VERIFY_S(in.size() == tags.size(), "Count doesn't match" 
-        << ": in# " << in.size() 
-        << ", tags# " << tags.size()); 
- 
-    TVector<TCell> cells(Reserve(in.size())); 
-    for (size_t i = 0; i < in.size(); ++i) { 
-        out.AddTags(tags.at(i)); 
-        cells.emplace_back(in.at(i).AsRef()); 
-    } 
- 
-    out.SetData(TSerializedCellVec::Serialize(cells)); 
-} 
- 
-void TBaseChangeCollector::SerializeCells(TSerializedCells& out, TArrayRef<const TUpdateOp> in) { 
-    if (!in) { 
-        return; 
-    } 
- 
-    TVector<TCell> cells(Reserve(in.size())); 
-    for (const auto& op : in) { 
+    : Self(self)
+    , Db(db)
+{
+    if (!isImmediateTx) {
+        Group = 0;
+    }
+}
+
+bool TBaseChangeCollector::NeedToReadKeys() const {
+    return false;
+}
+
+void TBaseChangeCollector::SetReadVersion(const TRowVersion& readVersion) {
+    Y_UNUSED(readVersion);
+}
+
+void TBaseChangeCollector::SetWriteVersion(const TRowVersion& writeVersion) {
+    WriteVersion = writeVersion;
+}
+
+const TVector<IChangeCollector::TChange>& TBaseChangeCollector::GetCollected() const {
+    return Collected;
+}
+
+TVector<IChangeCollector::TChange>&& TBaseChangeCollector::GetCollected() {
+    return std::move(Collected);
+}
+
+void TBaseChangeCollector::Reset() {
+    Collected.clear();
+}
+
+void TBaseChangeCollector::SerializeCells(TSerializedCells& out, TArrayRef<const TRawTypeValue> in, TArrayRef<const TTag> tags) {
+    Y_VERIFY_S(in.size() == tags.size(), "Count doesn't match"
+        << ": in# " << in.size()
+        << ", tags# " << tags.size());
+
+    TVector<TCell> cells(Reserve(in.size()));
+    for (size_t i = 0; i < in.size(); ++i) {
+        out.AddTags(tags.at(i));
+        cells.emplace_back(in.at(i).AsRef());
+    }
+
+    out.SetData(TSerializedCellVec::Serialize(cells));
+}
+
+void TBaseChangeCollector::SerializeCells(TSerializedCells& out, TArrayRef<const TUpdateOp> in) {
+    if (!in) {
+        return;
+    }
+
+    TVector<TCell> cells(Reserve(in.size()));
+    for (const auto& op : in) {
         Y_VERIFY_S(op.Op == ECellOp::Set, "Unexpected cell op: " << op.Op.Raw());
- 
-        out.AddTags(op.Tag); 
-        cells.emplace_back(op.AsCell()); 
-    } 
- 
-    out.SetData(TSerializedCellVec::Serialize(cells)); 
-} 
- 
-void TBaseChangeCollector::SerializeCells(TSerializedCells& out, const TRowState& state, TArrayRef<const TTag> tags) { 
-    Y_VERIFY_S(state.Size() == tags.size(), "Count doesn't match" 
-        << ": state# " << state.Size() 
-        << ", tags# " << tags.size()); 
- 
-    TVector<TCell> cells(Reserve(state.Size())); 
-    for (TPos pos = 0; pos < state.Size(); ++pos) { 
-        out.AddTags(tags.at(pos)); 
-        cells.emplace_back(state.Get(pos)); 
-    } 
- 
-    out.SetData(TSerializedCellVec::Serialize(cells)); 
-} 
- 
+
+        out.AddTags(op.Tag);
+        cells.emplace_back(op.AsCell());
+    }
+
+    out.SetData(TSerializedCellVec::Serialize(cells));
+}
+
+void TBaseChangeCollector::SerializeCells(TSerializedCells& out, const TRowState& state, TArrayRef<const TTag> tags) {
+    Y_VERIFY_S(state.Size() == tags.size(), "Count doesn't match"
+        << ": state# " << state.Size()
+        << ", tags# " << tags.size());
+
+    TVector<TCell> cells(Reserve(state.Size()));
+    for (TPos pos = 0; pos < state.Size(); ++pos) {
+        out.AddTags(tags.at(pos));
+        cells.emplace_back(state.Get(pos));
+    }
+
+    out.SetData(TSerializedCellVec::Serialize(cells));
+}
+
 void TBaseChangeCollector::Serialize(TDataChange& out, ERowOp rop,
-        TArrayRef<const TRawTypeValue> key, TArrayRef<const TTag> keyTags, TArrayRef<const TUpdateOp> updates) 
-{ 
-    SerializeCells(*out.MutableKey(), key, keyTags); 
- 
-    switch (rop) { 
+        TArrayRef<const TRawTypeValue> key, TArrayRef<const TTag> keyTags, TArrayRef<const TUpdateOp> updates)
+{
+    SerializeCells(*out.MutableKey(), key, keyTags);
+
+    switch (rop) {
     case ERowOp::Upsert:
-        SerializeCells(*out.MutableUpsert(), updates); 
-        break; 
+        SerializeCells(*out.MutableUpsert(), updates);
+        break;
     case ERowOp::Erase:
-        out.MutableErase(); 
-        break; 
+        out.MutableErase();
+        break;
     case ERowOp::Reset:
-        SerializeCells(*out.MutableReset(), updates); 
-        break; 
-    default: 
-        Y_FAIL_S("Unsupported row op: " << static_cast<ui8>(rop)); 
-    } 
-} 
- 
+        SerializeCells(*out.MutableReset(), updates);
+        break;
+    default:
+        Y_FAIL_S("Unsupported row op: " << static_cast<ui8>(rop));
+    }
+}
+
 void TBaseChangeCollector::Serialize(TDataChange& out, ERowOp rop,
-        TArrayRef<const TRawTypeValue> key, TArrayRef<const TTag> keyTags, 
-        const TRowState* oldState, const TRowState* newState, TArrayRef<const TTag> valueTags) 
-{ 
-    Serialize(out, rop, key, keyTags, {}); 
- 
-    if (oldState) { 
-        SerializeCells(*out.MutableOldImage(), *oldState, valueTags); 
-    } 
- 
-    if (newState) { 
-        SerializeCells(*out.MutableNewImage(), *newState, valueTags); 
-    } 
-} 
- 
-void TBaseChangeCollector::Persist(TChangeRecord::EKind kind, const TPathId& pathId, const TDataChange& body) { 
-    NIceDb::TNiceDb db(Db); 
- 
-    if (!Group) { 
-        Group = Self->AllocateChangeRecordGroup(db); 
-    } 
- 
-    auto record = TChangeRecordBuilder(kind) 
-        .WithOrder(Self->AllocateChangeRecordOrder(db)) 
-        .WithGroup(*Group) 
-        .WithStep(WriteVersion.Step) 
-        .WithTxId(WriteVersion.TxId) 
-        .WithPathId(pathId) 
-        .WithBody(body.SerializeAsString()) 
-        .Build(); 
- 
-    Self->PersistChangeRecord(db, record); 
-    Collected.emplace_back(record.GetOrder(), record.GetPathId(), record.GetBody().size()); 
-} 
- 
+        TArrayRef<const TRawTypeValue> key, TArrayRef<const TTag> keyTags,
+        const TRowState* oldState, const TRowState* newState, TArrayRef<const TTag> valueTags)
+{
+    Serialize(out, rop, key, keyTags, {});
+
+    if (oldState) {
+        SerializeCells(*out.MutableOldImage(), *oldState, valueTags);
+    }
+
+    if (newState) {
+        SerializeCells(*out.MutableNewImage(), *newState, valueTags);
+    }
+}
+
+void TBaseChangeCollector::Persist(TChangeRecord::EKind kind, const TPathId& pathId, const TDataChange& body) {
+    NIceDb::TNiceDb db(Db);
+
+    if (!Group) {
+        Group = Self->AllocateChangeRecordGroup(db);
+    }
+
+    auto record = TChangeRecordBuilder(kind)
+        .WithOrder(Self->AllocateChangeRecordOrder(db))
+        .WithGroup(*Group)
+        .WithStep(WriteVersion.Step)
+        .WithTxId(WriteVersion.TxId)
+        .WithPathId(pathId)
+        .WithBody(body.SerializeAsString())
+        .Build();
+
+    Self->PersistChangeRecord(db, record);
+    Collected.emplace_back(record.GetOrder(), record.GetPathId(), record.GetBody().size());
+}
+
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/change_collector_base.h b/ydb/core/tx/datashard/change_collector_base.h
index 16df559d7d..bb04deb29c 100644
--- a/ydb/core/tx/datashard/change_collector_base.h
+++ b/ydb/core/tx/datashard/change_collector_base.h
@@ -1,58 +1,58 @@
-#pragma once 
- 
-#include "change_record.h" 
- 
+#pragma once
+
+#include "change_record.h"
+
 #include <ydb/core/engine/minikql/change_collector_iface.h>
 #include <ydb/core/protos/change_exchange.pb.h>
 #include <ydb/core/tablet_flat/flat_database.h>
- 
-#include <util/generic/maybe.h> 
- 
-namespace NKikimr { 
+
+#include <util/generic/maybe.h>
+
+namespace NKikimr {
 namespace NDataShard {
- 
+
 class TDataShard;
- 
-class TBaseChangeCollector: public NMiniKQL::IChangeCollector { 
-    using TDataChange = NKikimrChangeExchange::TChangeRecord::TDataChange; 
-    using TSerializedCells = TDataChange::TSerializedCells; 
- 
-    static void SerializeCells(TSerializedCells& out, TArrayRef<const TRawTypeValue> in, TArrayRef<const NTable::TTag> tags); 
-    static void SerializeCells(TSerializedCells& out, TArrayRef<const NTable::TUpdateOp> in); 
-    static void SerializeCells(TSerializedCells& out, const NTable::TRowState& state, TArrayRef<const NTable::TTag> tags); 
- 
-protected: 
+
+class TBaseChangeCollector: public NMiniKQL::IChangeCollector {
+    using TDataChange = NKikimrChangeExchange::TChangeRecord::TDataChange;
+    using TSerializedCells = TDataChange::TSerializedCells;
+
+    static void SerializeCells(TSerializedCells& out, TArrayRef<const TRawTypeValue> in, TArrayRef<const NTable::TTag> tags);
+    static void SerializeCells(TSerializedCells& out, TArrayRef<const NTable::TUpdateOp> in);
+    static void SerializeCells(TSerializedCells& out, const NTable::TRowState& state, TArrayRef<const NTable::TTag> tags);
+
+protected:
     static void Serialize(TDataChange& out, NTable::ERowOp rop,
-        TArrayRef<const TRawTypeValue> key, TArrayRef<const NTable::TTag> keyTags, TArrayRef<const NTable::TUpdateOp> updates); 
+        TArrayRef<const TRawTypeValue> key, TArrayRef<const NTable::TTag> keyTags, TArrayRef<const NTable::TUpdateOp> updates);
     static void Serialize(TDataChange& out, NTable::ERowOp rop,
-        TArrayRef<const TRawTypeValue> key, TArrayRef<const NTable::TTag> keyTags, 
-        const NTable::TRowState* oldState, const NTable::TRowState* newState, TArrayRef<const NTable::TTag> valueTags); 
- 
-    void Persist(TChangeRecord::EKind kind, const TPathId& pathId, const TDataChange& body); 
- 
-public: 
+        TArrayRef<const TRawTypeValue> key, TArrayRef<const NTable::TTag> keyTags,
+        const NTable::TRowState* oldState, const NTable::TRowState* newState, TArrayRef<const NTable::TTag> valueTags);
+
+    void Persist(TChangeRecord::EKind kind, const TPathId& pathId, const TDataChange& body);
+
+public:
     explicit TBaseChangeCollector(TDataShard* self, NTable::TDatabase& db, bool isImmediateTx);
- 
-    bool NeedToReadKeys() const override; 
-    void SetReadVersion(const TRowVersion& readVersion) override; 
-    void SetWriteVersion(const TRowVersion& writeVersion) override; 
- 
-    const TVector<TChange>& GetCollected() const override; 
-    TVector<TChange>&& GetCollected() override; 
-    void Reset() override; 
- 
-    // there is no Collect, still abstract 
- 
-protected: 
+
+    bool NeedToReadKeys() const override;
+    void SetReadVersion(const TRowVersion& readVersion) override;
+    void SetWriteVersion(const TRowVersion& writeVersion) override;
+
+    const TVector<TChange>& GetCollected() const override;
+    TVector<TChange>&& GetCollected() override;
+    void Reset() override;
+
+    // there is no Collect, still abstract
+
+protected:
     TDataShard* Self;
-    NTable::TDatabase& Db; 
- 
-    TRowVersion WriteVersion; 
-    TMaybe<ui64> Group; 
- 
-    TVector<TChange> Collected; 
- 
-}; // TBaseChangeCollector 
- 
+    NTable::TDatabase& Db;
+
+    TRowVersion WriteVersion;
+    TMaybe<ui64> Group;
+
+    TVector<TChange> Collected;
+
+}; // TBaseChangeCollector
+
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/change_collector_cdc_stream.cpp b/ydb/core/tx/datashard/change_collector_cdc_stream.cpp
index 6a39e9b43a..f5cb67d1ba 100644
--- a/ydb/core/tx/datashard/change_collector_cdc_stream.cpp
+++ b/ydb/core/tx/datashard/change_collector_cdc_stream.cpp
@@ -1,227 +1,227 @@
-#include "change_collector_cdc_stream.h" 
-#include "datashard_impl.h" 
- 
+#include "change_collector_cdc_stream.h"
+#include "datashard_impl.h"
+
 #include <ydb/core/tablet_flat/flat_cxx_database.h>
- 
-namespace NKikimr { 
+
+namespace NKikimr {
 namespace NDataShard {
- 
-using namespace NMiniKQL; 
-using namespace NTable; 
- 
-namespace { 
- 
-    auto MakeValueTags(const TMap<TTag, TUserTable::TUserColumn>& columns) { 
-        TVector<TTag> result; 
- 
-        for (const auto& [tag, column] : columns) { 
-            if (!column.IsKey) { 
-                result.push_back(tag); 
-            } 
-        } 
- 
-        return result; 
-    } 
- 
-    auto MakeTagToPos(TArrayRef<const TTag> tags) { 
-        THashMap<TTag, TPos> result; 
- 
-        for (TPos pos = 0; pos < tags.size(); ++pos) { 
-            result.emplace(tags.at(pos), pos); 
-        } 
- 
-        return result; 
-    } 
- 
-    auto MappedUpdates(TArrayRef<const TUpdateOp> updates) { 
-        THashMap<TTag, TUpdateOp> result; 
- 
-        for (const auto& op : updates) { 
-            result.emplace(op.Tag, op); 
-        } 
- 
-        return result; 
-    } 
- 
-    const TRowState* NullIfErased(const TRowState* state) { 
-        switch (state->GetRowState()) { 
+
+using namespace NMiniKQL;
+using namespace NTable;
+
+namespace {
+
+    auto MakeValueTags(const TMap<TTag, TUserTable::TUserColumn>& columns) {
+        TVector<TTag> result;
+
+        for (const auto& [tag, column] : columns) {
+            if (!column.IsKey) {
+                result.push_back(tag);
+            }
+        }
+
+        return result;
+    }
+
+    auto MakeTagToPos(TArrayRef<const TTag> tags) {
+        THashMap<TTag, TPos> result;
+
+        for (TPos pos = 0; pos < tags.size(); ++pos) {
+            result.emplace(tags.at(pos), pos);
+        }
+
+        return result;
+    }
+
+    auto MappedUpdates(TArrayRef<const TUpdateOp> updates) {
+        THashMap<TTag, TUpdateOp> result;
+
+        for (const auto& op : updates) {
+            result.emplace(op.Tag, op);
+        }
+
+        return result;
+    }
+
+    const TRowState* NullIfErased(const TRowState* state) {
+        switch (state->GetRowState()) {
         case ERowOp::Upsert:
         case ERowOp::Reset:
-            return state; 
+            return state;
         case ERowOp::Erase:
-            return nullptr; 
-        default: 
-            Y_FAIL_S("Unexpected row op: " << static_cast<ui8>(state->GetRowState())); 
-        } 
-    } 
- 
-} // anonymous 
- 
-bool TCdcStreamChangeCollector::NeedToReadKeys() const { 
-    if (CachedNeedToReadKeys) { 
-        return *CachedNeedToReadKeys; 
-    } 
- 
-    for (const auto& [_, tableInfo] : Self->GetUserTables()) { 
-        for (const auto& [_, streamInfo] : tableInfo->CdcStreams) { 
-            switch (streamInfo.Mode) { 
+            return nullptr;
+        default:
+            Y_FAIL_S("Unexpected row op: " << static_cast<ui8>(state->GetRowState()));
+        }
+    }
+
+} // anonymous
+
+bool TCdcStreamChangeCollector::NeedToReadKeys() const {
+    if (CachedNeedToReadKeys) {
+        return *CachedNeedToReadKeys;
+    }
+
+    for (const auto& [_, tableInfo] : Self->GetUserTables()) {
+        for (const auto& [_, streamInfo] : tableInfo->CdcStreams) {
+            switch (streamInfo.Mode) {
             case NKikimrSchemeOp::ECdcStreamModeKeysOnly:
             case NKikimrSchemeOp::ECdcStreamModeUpdate:
-                CachedNeedToReadKeys = false; 
-                break; 
+                CachedNeedToReadKeys = false;
+                break;
             case NKikimrSchemeOp::ECdcStreamModeNewImage:
             case NKikimrSchemeOp::ECdcStreamModeOldImage:
             case NKikimrSchemeOp::ECdcStreamModeNewAndOldImages:
-                CachedNeedToReadKeys = true; 
-                break; 
-            default: 
-                Y_FAIL_S("Invalid stream mode: " << static_cast<ui32>(streamInfo.Mode)); 
-            } 
-        } 
-    } 
- 
-    Y_VERIFY(CachedNeedToReadKeys); 
-    return *CachedNeedToReadKeys; 
-} 
- 
-void TCdcStreamChangeCollector::SetReadVersion(const TRowVersion& readVersion) { 
-    ReadVersion = readVersion; 
-} 
- 
+                CachedNeedToReadKeys = true;
+                break;
+            default:
+                Y_FAIL_S("Invalid stream mode: " << static_cast<ui32>(streamInfo.Mode));
+            }
+        }
+    }
+
+    Y_VERIFY(CachedNeedToReadKeys);
+    return *CachedNeedToReadKeys;
+}
+
+void TCdcStreamChangeCollector::SetReadVersion(const TRowVersion& readVersion) {
+    ReadVersion = readVersion;
+}
+
 bool TCdcStreamChangeCollector::Collect(const TTableId& tableId, ERowOp rop,
-        TArrayRef<const TRawTypeValue> key, TArrayRef<const TUpdateOp> updates) 
-{ 
-    Y_VERIFY_S(Self->IsUserTable(tableId), "Unknown table: " << tableId); 
-    const auto localTableId = Self->GetLocalTableId(tableId); 
- 
-    auto userTable = Self->GetUserTables().at(tableId.PathId.LocalPathId); 
-    const auto& keyTags = userTable->KeyColumnIds; 
- 
-    Y_VERIFY_S(key.size() == keyTags.size(), "Count doesn't match" 
-        << ": key# " << key.size() 
-        << ", tags# " << keyTags.size()); 
- 
-    switch (rop) { 
+        TArrayRef<const TRawTypeValue> key, TArrayRef<const TUpdateOp> updates)
+{
+    Y_VERIFY_S(Self->IsUserTable(tableId), "Unknown table: " << tableId);
+    const auto localTableId = Self->GetLocalTableId(tableId);
+
+    auto userTable = Self->GetUserTables().at(tableId.PathId.LocalPathId);
+    const auto& keyTags = userTable->KeyColumnIds;
+
+    Y_VERIFY_S(key.size() == keyTags.size(), "Count doesn't match"
+        << ": key# " << key.size()
+        << ", tags# " << keyTags.size());
+
+    switch (rop) {
     case ERowOp::Upsert:
     case ERowOp::Erase:
     case ERowOp::Reset:
-        break; 
-    default: 
-        Y_FAIL_S("Unsupported row op: " << static_cast<ui8>(rop)); 
-    } 
- 
-    bool read = false; 
- 
-    for (const auto& [pathId, stream] : userTable->CdcStreams) { 
-        switch (stream.Mode) { 
+        break;
+    default:
+        Y_FAIL_S("Unsupported row op: " << static_cast<ui8>(rop));
+    }
+
+    bool read = false;
+
+    for (const auto& [pathId, stream] : userTable->CdcStreams) {
+        switch (stream.Mode) {
         case NKikimrSchemeOp::ECdcStreamModeKeysOnly:
-            Persist(pathId, rop, key, keyTags, {}); 
-            break; 
+            Persist(pathId, rop, key, keyTags, {});
+            break;
         case NKikimrSchemeOp::ECdcStreamModeUpdate:
-            Persist(pathId, rop, key, keyTags, updates); 
-            break; 
+            Persist(pathId, rop, key, keyTags, updates);
+            break;
         case NKikimrSchemeOp::ECdcStreamModeNewImage:
         case NKikimrSchemeOp::ECdcStreamModeOldImage:
         case NKikimrSchemeOp::ECdcStreamModeNewAndOldImages: {
-            const auto valueTags = MakeValueTags(userTable->Columns); 
-            const auto oldState = GetCurrentState(localTableId, key, keyTags, valueTags); 
- 
-            if (!oldState) { 
-                return false; 
-            } 
- 
+            const auto valueTags = MakeValueTags(userTable->Columns);
+            const auto oldState = GetCurrentState(localTableId, key, keyTags, valueTags);
+
+            if (!oldState) {
+                return false;
+            }
+
             if (stream.Mode == NKikimrSchemeOp::ECdcStreamModeOldImage) {
-                Persist(pathId, rop, key, keyTags, NullIfErased(&*oldState), nullptr, valueTags); 
-            } else { 
-                const auto newState = PatchState(*oldState, rop, MakeTagToPos(valueTags), MappedUpdates(updates)); 
- 
+                Persist(pathId, rop, key, keyTags, NullIfErased(&*oldState), nullptr, valueTags);
+            } else {
+                const auto newState = PatchState(*oldState, rop, MakeTagToPos(valueTags), MappedUpdates(updates));
+
                 if (stream.Mode == NKikimrSchemeOp::ECdcStreamModeNewImage) {
-                    Persist(pathId, rop, key, keyTags, nullptr, NullIfErased(&newState), valueTags); 
-                } else { 
-                    Persist(pathId, rop, key, keyTags, NullIfErased(&*oldState), NullIfErased(&newState), valueTags); 
-                } 
-            } 
- 
-            read = true; 
-            break; 
-        } 
-        default: 
-            Y_FAIL_S("Invalid stream mode: " << static_cast<ui32>(stream.Mode)); 
-        } 
-    } 
- 
-    if (read) { 
-        RowsCache.UpdateCachedRow(localTableId, rop, key, updates); 
-    } 
- 
-    return true; 
-} 
- 
-TMaybe<TRowState> TCdcStreamChangeCollector::GetCurrentState(ui32 tid, TArrayRef<const TRawTypeValue> key, 
-        TArrayRef<const TTag> keyTags, TArrayRef<const TTag> valueTags) 
-{ 
-    TRowState row; 
-    const auto ready = RowsCache.SelectRow(Db, tid, key, MakeTagToPos(keyTags), valueTags, row, ReadVersion); 
- 
-    if (ready == EReady::Page) { 
-        return Nothing(); 
-    } 
- 
-    return row; 
-} 
- 
+                    Persist(pathId, rop, key, keyTags, nullptr, NullIfErased(&newState), valueTags);
+                } else {
+                    Persist(pathId, rop, key, keyTags, NullIfErased(&*oldState), NullIfErased(&newState), valueTags);
+                }
+            }
+
+            read = true;
+            break;
+        }
+        default:
+            Y_FAIL_S("Invalid stream mode: " << static_cast<ui32>(stream.Mode));
+        }
+    }
+
+    if (read) {
+        RowsCache.UpdateCachedRow(localTableId, rop, key, updates);
+    }
+
+    return true;
+}
+
+TMaybe<TRowState> TCdcStreamChangeCollector::GetCurrentState(ui32 tid, TArrayRef<const TRawTypeValue> key,
+        TArrayRef<const TTag> keyTags, TArrayRef<const TTag> valueTags)
+{
+    TRowState row;
+    const auto ready = RowsCache.SelectRow(Db, tid, key, MakeTagToPos(keyTags), valueTags, row, ReadVersion);
+
+    if (ready == EReady::Page) {
+        return Nothing();
+    }
+
+    return row;
+}
+
 TRowState TCdcStreamChangeCollector::PatchState(const TRowState& oldState, ERowOp rop,
-        const THashMap<TTag, TPos>& tagToPos, const THashMap<TTag, TUpdateOp>& updates) 
-{ 
-    TRowState newState; 
- 
-    newState.Init(tagToPos.size()); 
-    newState.Touch(rop); 
- 
-    switch (rop) { 
+        const THashMap<TTag, TPos>& tagToPos, const THashMap<TTag, TUpdateOp>& updates)
+{
+    TRowState newState;
+
+    newState.Init(tagToPos.size());
+    newState.Touch(rop);
+
+    switch (rop) {
     case ERowOp::Upsert:
     case ERowOp::Reset:
-        for (const auto [tag, pos] : tagToPos) { 
-            auto it = updates.find(tag); 
-            if (it != updates.end()) { 
-                newState.Set(pos, it->second.Op, it->second.AsCell()); 
+        for (const auto [tag, pos] : tagToPos) {
+            auto it = updates.find(tag);
+            if (it != updates.end()) {
+                newState.Set(pos, it->second.Op, it->second.AsCell());
             } else if (rop == ERowOp::Upsert) {
-                newState.Set(pos, oldState.GetOp(pos), oldState.Get(pos)); 
-            } else { 
+                newState.Set(pos, oldState.GetOp(pos), oldState.Get(pos));
+            } else {
                 newState.Set(pos, ECellOp::Null, TCell());
-            } 
-        } 
-        break; 
+            }
+        }
+        break;
     case ERowOp::Erase:
-        break; 
-    default: 
-        Y_FAIL("unreachable"); 
-    } 
- 
-    Y_VERIFY(newState.IsFinalized()); 
-    return newState; 
-} 
- 
+        break;
+    default:
+        Y_FAIL("unreachable");
+    }
+
+    Y_VERIFY(newState.IsFinalized());
+    return newState;
+}
+
 void TCdcStreamChangeCollector::Persist(const TPathId& pathId, ERowOp rop,
-        TArrayRef<const TRawTypeValue> key, TArrayRef<const TTag> keyTags, TArrayRef<const TUpdateOp> updates) 
-{ 
-    NKikimrChangeExchange::TChangeRecord::TDataChange body; 
-    Serialize(body, rop, key, keyTags, updates); 
-    TBaseChangeCollector::Persist(TChangeRecord::EKind::CdcDataChange, pathId, body); 
-} 
- 
+        TArrayRef<const TRawTypeValue> key, TArrayRef<const TTag> keyTags, TArrayRef<const TUpdateOp> updates)
+{
+    NKikimrChangeExchange::TChangeRecord::TDataChange body;
+    Serialize(body, rop, key, keyTags, updates);
+    TBaseChangeCollector::Persist(TChangeRecord::EKind::CdcDataChange, pathId, body);
+}
+
 void TCdcStreamChangeCollector::Persist(const TPathId& pathId, ERowOp rop,
-        TArrayRef<const TRawTypeValue> key, TArrayRef<const TTag> keyTags, 
-        const TRowState* oldState, const TRowState* newState, TArrayRef<const TTag> valueTags) 
-{ 
-    if (!oldState && !newState) { 
-        return; 
-    } 
- 
-    NKikimrChangeExchange::TChangeRecord::TDataChange body; 
-    Serialize(body, rop, key, keyTags, oldState, newState, valueTags); 
-    TBaseChangeCollector::Persist(TChangeRecord::EKind::CdcDataChange, pathId, body); 
-} 
- 
+        TArrayRef<const TRawTypeValue> key, TArrayRef<const TTag> keyTags,
+        const TRowState* oldState, const TRowState* newState, TArrayRef<const TTag> valueTags)
+{
+    if (!oldState && !newState) {
+        return;
+    }
+
+    NKikimrChangeExchange::TChangeRecord::TDataChange body;
+    Serialize(body, rop, key, keyTags, oldState, newState, valueTags);
+    TBaseChangeCollector::Persist(TChangeRecord::EKind::CdcDataChange, pathId, body);
+}
+
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/change_collector_cdc_stream.h b/ydb/core/tx/datashard/change_collector_cdc_stream.h
index 5cf6eb4292..e02382d5db 100644
--- a/ydb/core/tx/datashard/change_collector_cdc_stream.h
+++ b/ydb/core/tx/datashard/change_collector_cdc_stream.h
@@ -1,40 +1,40 @@
-#pragma once 
- 
-#include "change_collector_base.h" 
-#include "change_collector_helpers.h" 
-#include "datashard_user_table.h" 
- 
-namespace NKikimr { 
+#pragma once
+
+#include "change_collector_base.h"
+#include "change_collector_helpers.h"
+#include "datashard_user_table.h"
+
+namespace NKikimr {
 namespace NDataShard {
- 
-class TCdcStreamChangeCollector: public TBaseChangeCollector { 
-    TMaybe<NTable::TRowState> GetCurrentState(ui32 tid, TArrayRef<const TRawTypeValue> key, 
-        TArrayRef<const NTable::TTag> keyTags, TArrayRef<const NTable::TTag> valueTags); 
+
+class TCdcStreamChangeCollector: public TBaseChangeCollector {
+    TMaybe<NTable::TRowState> GetCurrentState(ui32 tid, TArrayRef<const TRawTypeValue> key,
+        TArrayRef<const NTable::TTag> keyTags, TArrayRef<const NTable::TTag> valueTags);
     static NTable::TRowState PatchState(const NTable::TRowState& oldState, NTable::ERowOp rop,
-        const THashMap<NTable::TTag, NTable::TPos>& tagToPos, const THashMap<NTable::TTag, NTable::TUpdateOp>& updates); 
- 
+        const THashMap<NTable::TTag, NTable::TPos>& tagToPos, const THashMap<NTable::TTag, NTable::TUpdateOp>& updates);
+
     void Persist(const TPathId& pathId, NTable::ERowOp rop,
-        TArrayRef<const TRawTypeValue> key, TArrayRef<const NTable::TTag> keyTags, TArrayRef<const NTable::TUpdateOp> updates); 
+        TArrayRef<const TRawTypeValue> key, TArrayRef<const NTable::TTag> keyTags, TArrayRef<const NTable::TUpdateOp> updates);
     void Persist(const TPathId& pathId, NTable::ERowOp rop,
-        TArrayRef<const TRawTypeValue> key, TArrayRef<const NTable::TTag> keyTags, 
-        const NTable::TRowState* oldState, const NTable::TRowState* newState, TArrayRef<const NTable::TTag> valueTags); 
- 
-public: 
-    using TBaseChangeCollector::TBaseChangeCollector; 
- 
-    bool NeedToReadKeys() const override; 
-    void SetReadVersion(const TRowVersion& readVersion) override; 
- 
+        TArrayRef<const TRawTypeValue> key, TArrayRef<const NTable::TTag> keyTags,
+        const NTable::TRowState* oldState, const NTable::TRowState* newState, TArrayRef<const NTable::TTag> valueTags);
+
+public:
+    using TBaseChangeCollector::TBaseChangeCollector;
+
+    bool NeedToReadKeys() const override;
+    void SetReadVersion(const TRowVersion& readVersion) override;
+
     bool Collect(const TTableId& tableId, NTable::ERowOp rop,
-        TArrayRef<const TRawTypeValue> key, TArrayRef<const NTable::TUpdateOp> updates) override; 
- 
-private: 
-    TRowVersion ReadVersion; 
- 
-    mutable TMaybe<bool> CachedNeedToReadKeys; 
-    TRowsCache RowsCache; 
- 
-}; // TCdcStreamChangeCollector 
- 
+        TArrayRef<const TRawTypeValue> key, TArrayRef<const NTable::TUpdateOp> updates) override;
+
+private:
+    TRowVersion ReadVersion;
+
+    mutable TMaybe<bool> CachedNeedToReadKeys;
+    TRowsCache RowsCache;
+
+}; // TCdcStreamChangeCollector
+
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/change_collector_helpers.cpp b/ydb/core/tx/datashard/change_collector_helpers.cpp
index 1a8504a536..fce849a076 100644
--- a/ydb/core/tx/datashard/change_collector_helpers.cpp
+++ b/ydb/core/tx/datashard/change_collector_helpers.cpp
@@ -1,144 +1,144 @@
-#include "change_collector_helpers.h" 
- 
-namespace NKikimr { 
+#include "change_collector_helpers.h"
+
+namespace NKikimr {
 namespace NDataShard {
- 
-using namespace NTable; 
- 
-namespace { 
- 
-    TString SerializeKey(TArrayRef<const TRawTypeValue> key) { 
-        TVector<TCell> cells(Reserve(key.size())); 
-        for (const auto& k : key) { 
-            cells.emplace_back(k.AsRef()); 
-        } 
- 
-        return TSerializedCellVec::Serialize(cells); 
-    } 
- 
-} // anonymous 
- 
-EReady TRowsCache::SelectRow(TDatabase& db, ui32 tid, 
-        TArrayRef<const TRawTypeValue> key, const THashMap<TTag, TPos>& keyTagToPos, 
-        TArrayRef<const TTag> tags, TRowState& rowState, const TRowVersion& readVersion) 
-{ 
-    const auto* row = FindCachedRow(tid, key); 
- 
-    if (!row) { 
-        TRowState selected; 
-        const auto ready = db.Select(tid, key, tags, selected, 0, readVersion); 
- 
-        if (ready == EReady::Page) { 
-            return ready; 
-        } 
- 
-        row = CacheRow(tid, ready, key, tags, selected); 
-    } 
- 
-    rowState.Init(tags.size()); 
-    rowState.Touch(row->Rop); 
- 
-    for (TPos pos = 0; pos < tags.size(); ++pos) { 
-        auto it = keyTagToPos.find(tags.at(pos)); 
-        if (it == keyTagToPos.end()) { 
-            continue; 
-        } 
- 
-        Y_VERIFY(it->second < key.size()); 
+
+using namespace NTable;
+
+namespace {
+
+    TString SerializeKey(TArrayRef<const TRawTypeValue> key) {
+        TVector<TCell> cells(Reserve(key.size()));
+        for (const auto& k : key) {
+            cells.emplace_back(k.AsRef());
+        }
+
+        return TSerializedCellVec::Serialize(cells);
+    }
+
+} // anonymous
+
+EReady TRowsCache::SelectRow(TDatabase& db, ui32 tid,
+        TArrayRef<const TRawTypeValue> key, const THashMap<TTag, TPos>& keyTagToPos,
+        TArrayRef<const TTag> tags, TRowState& rowState, const TRowVersion& readVersion)
+{
+    const auto* row = FindCachedRow(tid, key);
+
+    if (!row) {
+        TRowState selected;
+        const auto ready = db.Select(tid, key, tags, selected, 0, readVersion);
+
+        if (ready == EReady::Page) {
+            return ready;
+        }
+
+        row = CacheRow(tid, ready, key, tags, selected);
+    }
+
+    rowState.Init(tags.size());
+    rowState.Touch(row->Rop);
+
+    for (TPos pos = 0; pos < tags.size(); ++pos) {
+        auto it = keyTagToPos.find(tags.at(pos));
+        if (it == keyTagToPos.end()) {
+            continue;
+        }
+
+        Y_VERIFY(it->second < key.size());
         rowState.Set(pos, ECellOp::Set, key.at(it->second).AsRef());
-    } 
- 
-    switch (row->Ready) { 
-    case EReady::Data: 
-        switch (row->Rop) { 
+    }
+
+    switch (row->Ready) {
+    case EReady::Data:
+        switch (row->Rop) {
         case ERowOp::Upsert:
         case ERowOp::Reset:
-            for (TPos pos = 0; pos < tags.size(); ++pos) { 
-                const auto tag = tags.at(pos); 
-                if (keyTagToPos.contains(tag)) { 
-                    continue; 
-                } 
- 
-                if (const auto* cell = row->Cells.FindPtr(tag)) { 
+            for (TPos pos = 0; pos < tags.size(); ++pos) {
+                const auto tag = tags.at(pos);
+                if (keyTagToPos.contains(tag)) {
+                    continue;
+                }
+
+                if (const auto* cell = row->Cells.FindPtr(tag)) {
                     rowState.Set(pos, ECellOp::Set, TCell(cell->data(), cell->size()));
-                } else { 
+                } else {
                     rowState.Set(pos, ECellOp::Null, TCell());
-                } 
-            } 
-            break; 
-        default: 
-            Y_FAIL("unreachable"); 
-        } 
-        break; 
-    case EReady::Gone: 
-        break; 
-    default: 
-        Y_FAIL("unreachable"); 
-    } 
- 
-    Y_VERIFY(rowState.IsFinalized()); 
-    return row->Ready; 
-} 
- 
+                }
+            }
+            break;
+        default:
+            Y_FAIL("unreachable");
+        }
+        break;
+    case EReady::Gone:
+        break;
+    default:
+        Y_FAIL("unreachable");
+    }
+
+    Y_VERIFY(rowState.IsFinalized());
+    return row->Ready;
+}
+
 void TRowsCache::UpdateCachedRow(ui32 tid, ERowOp rop,
-        TArrayRef<const TRawTypeValue> key, TArrayRef<const TUpdateOp> updates) 
-{ 
-    auto& row = Rows[tid][SerializeKey(key)]; 
- 
-    row.Rop = rop; 
+        TArrayRef<const TRawTypeValue> key, TArrayRef<const TUpdateOp> updates)
+{
+    auto& row = Rows[tid][SerializeKey(key)];
+
+    row.Rop = rop;
     if (rop == ERowOp::Erase) {
-        row.Ready = EReady::Gone; 
-        row.Cells.clear(); 
-        return; 
-    } 
- 
-    row.Ready = EReady::Data; 
+        row.Ready = EReady::Gone;
+        row.Cells.clear();
+        return;
+    }
+
+    row.Ready = EReady::Data;
     if (rop == ERowOp::Reset) {
-        row.Cells.clear(); 
-    } 
- 
-    for (const auto& update : updates) { 
-        if (update.Value.IsEmpty()) { 
-            continue; 
-        } 
- 
-        row.Cells[update.Tag] = update.Value.ToStringBuf(); 
-    } 
-} 
- 
-const TRowsCache::TRow* TRowsCache::CacheRow(ui32 tid, EReady ready, 
-        TArrayRef<const TRawTypeValue> key, TArrayRef<const TTag> tags, const TRowState& rowState) 
-{ 
-    Y_VERIFY(ready != EReady::Page); 
-    Y_VERIFY(tags.size() == rowState.Size()); 
- 
-    auto& row = Rows[tid][SerializeKey(key)]; 
- 
-    row.Ready = ready; 
-    if (ready == EReady::Gone) { 
+        row.Cells.clear();
+    }
+
+    for (const auto& update : updates) {
+        if (update.Value.IsEmpty()) {
+            continue;
+        }
+
+        row.Cells[update.Tag] = update.Value.ToStringBuf();
+    }
+}
+
+const TRowsCache::TRow* TRowsCache::CacheRow(ui32 tid, EReady ready,
+        TArrayRef<const TRawTypeValue> key, TArrayRef<const TTag> tags, const TRowState& rowState)
+{
+    Y_VERIFY(ready != EReady::Page);
+    Y_VERIFY(tags.size() == rowState.Size());
+
+    auto& row = Rows[tid][SerializeKey(key)];
+
+    row.Ready = ready;
+    if (ready == EReady::Gone) {
         row.Rop = ERowOp::Erase;
-        return &row; 
-    } 
- 
-    row.Rop = rowState.GetRowState(); 
-    for (TPos pos = 0; pos < tags.size(); ++pos) { 
-        const auto& cell = rowState.Get(pos); 
-        if (cell.IsNull()) { 
-            continue; 
-        } 
- 
-        row.Cells[tags.at(pos)] = cell.AsBuf(); 
-    } 
- 
-    return &row; 
-} 
- 
-const TRowsCache::TRow* TRowsCache::FindCachedRow(ui32 tid, TArrayRef<const TRawTypeValue> key) const { 
-    const auto* cached = Rows.FindPtr(tid); 
-    return cached 
-        ? cached->FindPtr(SerializeKey(key)) 
-        : nullptr; 
-} 
- 
+        return &row;
+    }
+
+    row.Rop = rowState.GetRowState();
+    for (TPos pos = 0; pos < tags.size(); ++pos) {
+        const auto& cell = rowState.Get(pos);
+        if (cell.IsNull()) {
+            continue;
+        }
+
+        row.Cells[tags.at(pos)] = cell.AsBuf();
+    }
+
+    return &row;
+}
+
+const TRowsCache::TRow* TRowsCache::FindCachedRow(ui32 tid, TArrayRef<const TRawTypeValue> key) const {
+    const auto* cached = Rows.FindPtr(tid);
+    return cached
+        ? cached->FindPtr(SerializeKey(key))
+        : nullptr;
+}
+
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/change_collector_helpers.h b/ydb/core/tx/datashard/change_collector_helpers.h
index 7b81ab5442..b41c5986f2 100644
--- a/ydb/core/tx/datashard/change_collector_helpers.h
+++ b/ydb/core/tx/datashard/change_collector_helpers.h
@@ -1,36 +1,36 @@
-#pragma once 
- 
+#pragma once
+
 #include <ydb/core/tablet_flat/flat_database.h>
- 
-#include <util/generic/hash.h> 
- 
-namespace NKikimr { 
+
+#include <util/generic/hash.h>
+
+namespace NKikimr {
 namespace NDataShard {
- 
-class TRowsCache { 
-    struct TRow { 
-        NTable::EReady Ready; 
+
+class TRowsCache {
+    struct TRow {
+        NTable::EReady Ready;
         NTable::ERowOp Rop;
-        THashMap<NTable::TTag, TString> Cells; 
-    }; 
- 
-    const TRow* CacheRow(ui32 tid, NTable::EReady ready, 
-        TArrayRef<const TRawTypeValue> key, TArrayRef<const NTable::TTag> tags, const NTable::TRowState& rowState); 
- 
-    const TRow* FindCachedRow(ui32 tid, TArrayRef<const TRawTypeValue> key) const; 
- 
-public: 
-    NTable::EReady SelectRow(NTable::TDatabase& db, ui32 tid, 
-        TArrayRef<const TRawTypeValue> key, const THashMap<NTable::TTag, NTable::TPos>& keyTagToPos, 
-        TArrayRef<const NTable::TTag> tags, NTable::TRowState& rowState, const TRowVersion& readVersion); 
- 
+        THashMap<NTable::TTag, TString> Cells;
+    };
+
+    const TRow* CacheRow(ui32 tid, NTable::EReady ready,
+        TArrayRef<const TRawTypeValue> key, TArrayRef<const NTable::TTag> tags, const NTable::TRowState& rowState);
+
+    const TRow* FindCachedRow(ui32 tid, TArrayRef<const TRawTypeValue> key) const;
+
+public:
+    NTable::EReady SelectRow(NTable::TDatabase& db, ui32 tid,
+        TArrayRef<const TRawTypeValue> key, const THashMap<NTable::TTag, NTable::TPos>& keyTagToPos,
+        TArrayRef<const NTable::TTag> tags, NTable::TRowState& rowState, const TRowVersion& readVersion);
+
     void UpdateCachedRow(ui32 tid, NTable::ERowOp rop,
-        TArrayRef<const TRawTypeValue> key, TArrayRef<const NTable::TUpdateOp> updates); 
- 
-private: 
-    THashMap<ui32, THashMap<TString, TRow>> Rows; 
- 
-}; // TRowsCache 
- 
+        TArrayRef<const TRawTypeValue> key, TArrayRef<const NTable::TUpdateOp> updates);
+
+private:
+    THashMap<ui32, THashMap<TString, TRow>> Rows;
+
+}; // TRowsCache
+
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/change_exchange.cpp b/ydb/core/tx/datashard/change_exchange.cpp
index 7adba1f917..99270fd69a 100644
--- a/ydb/core/tx/datashard/change_exchange.cpp
+++ b/ydb/core/tx/datashard/change_exchange.cpp
@@ -1,155 +1,155 @@
-#include "change_exchange.h" 
- 
-#include <util/string/builder.h> 
-#include <util/string/join.h> 
- 
-namespace NKikimr { 
+#include "change_exchange.h"
+
+#include <util/string/builder.h>
+#include <util/string/join.h>
+
+namespace NKikimr {
 namespace NDataShard {
- 
-/// TEvEnqueueRecords 
-TEvChangeExchange::TEvEnqueueRecords::TEvEnqueueRecords(const TVector<TRecordInfo>& records) 
-    : Records(records) 
-{ 
-} 
- 
-TEvChangeExchange::TEvEnqueueRecords::TEvEnqueueRecords(TVector<TRecordInfo>&& records) 
-    : Records(std::move(records)) 
-{ 
-} 
- 
-TString TEvChangeExchange::TEvEnqueueRecords::ToString() const { 
-    return TStringBuilder() << ToStringHeader() << " {" 
-        << " Records [" << JoinSeq(",", Records) << "]" 
-    << " }"; 
-} 
- 
-TEvChangeExchange::TEvEnqueueRecords::TRecordInfo::TRecordInfo(ui64 order, const TPathId& pathId, ui64 bodySize) 
-    : Order(order) 
-    , PathId(pathId) 
-    , BodySize(bodySize) 
-{ 
-} 
- 
-void TEvChangeExchange::TEvEnqueueRecords::TRecordInfo::Out(IOutputStream& out) const { 
-    out << "{" 
-        << " Order: " << Order 
-        << " PathId: " << PathId 
-        << " BodySize: " << BodySize 
-    << " }"; 
-} 
- 
-/// TEvRequestRecords 
-TEvChangeExchange::TEvRequestRecords::TEvRequestRecords(const TVector<TRecordInfo>& records) 
-    : Records(records) 
-{ 
-} 
- 
-TEvChangeExchange::TEvRequestRecords::TEvRequestRecords(TVector<TRecordInfo>&& records) 
-    : Records(std::move(records)) 
-{ 
-} 
- 
-TString TEvChangeExchange::TEvRequestRecords::ToString() const { 
-    return TStringBuilder() << ToStringHeader() << " {" 
-        << " Records [" << JoinSeq(",", Records) << "]" 
-    << " }"; 
-} 
- 
-TEvChangeExchange::TEvRequestRecords::TRecordInfo::TRecordInfo(ui64 order, ui64 bodySize) 
-    : Order(order) 
-    , BodySize(bodySize) 
-{ 
-} 
- 
-bool TEvChangeExchange::TEvRequestRecords::TRecordInfo::operator<(const TRecordInfo& rhs) const { 
-    return Order < rhs.Order; 
-} 
- 
-void TEvChangeExchange::TEvRequestRecords::TRecordInfo::Out(IOutputStream& out) const { 
-    out << "{" 
-        << " Order: " << Order 
-        << " BodySize: " << BodySize 
-    << " }"; 
-} 
- 
-/// TEvRemoveRecords 
-TEvChangeExchange::TEvRemoveRecords::TEvRemoveRecords(const TVector<ui64>& records) 
-    : Records(records) 
-{ 
-} 
- 
-TEvChangeExchange::TEvRemoveRecords::TEvRemoveRecords(TVector<ui64>&& records) 
-    : Records(std::move(records)) 
-{ 
-} 
- 
-TString TEvChangeExchange::TEvRemoveRecords::ToString() const { 
-    return TStringBuilder() << ToStringHeader() << " {" 
-        << " Records [" << JoinSeq(",", Records) << "]" 
-    << " }"; 
-} 
- 
-/// TEvRecords 
-TEvChangeExchange::TEvRecords::TEvRecords(const TVector<TChangeRecord>& records) 
-    : Records(records) 
-{ 
-} 
- 
-TEvChangeExchange::TEvRecords::TEvRecords(TVector<TChangeRecord>&& records) 
-    : Records(std::move(records)) 
-{ 
-} 
- 
-TString TEvChangeExchange::TEvRecords::ToString() const { 
-    return TStringBuilder() << ToStringHeader() << " {" 
-        << " Records [" << JoinSeq(",", Records) << "]" 
-    << " }"; 
-} 
- 
-/// TEvForgetRecords 
-TEvChangeExchange::TEvForgetRecords::TEvForgetRecords(const TVector<ui64>& records) 
-    : Records(records) 
-{ 
-} 
- 
-TEvChangeExchange::TEvForgetRecords::TEvForgetRecords(TVector<ui64>&& records) 
-    : Records(std::move(records)) 
-{ 
-} 
- 
-TString TEvChangeExchange::TEvForgetRecords::ToString() const { 
-    return TStringBuilder() << ToStringHeader() << " {" 
-        << " Records [" << JoinSeq(",", Records) << "]" 
-    << " }"; 
-} 
- 
-/// TEvAddSender 
-TEvChangeExchange::TEvAddSender::TEvAddSender(const TTableId& userTableId, TEvChangeExchange::ESenderType type, const TPathId& pathId) 
-    : UserTableId(userTableId) 
-    , Type(type) 
-    , PathId(pathId) 
-{ 
-} 
- 
-TString TEvChangeExchange::TEvAddSender::ToString() const { 
-    return TStringBuilder() << ToStringHeader() << " {" 
-        << " UserTableId: " << UserTableId 
-        << " Type: " << Type 
-        << " PathId: " << PathId 
-    << " }"; 
-} 
- 
-/// TEvRemoveSender 
-TEvChangeExchange::TEvRemoveSender::TEvRemoveSender(const TPathId& pathId) 
-    : PathId(pathId) 
-{ 
-} 
- 
-TString TEvChangeExchange::TEvRemoveSender::ToString() const { 
-    return TStringBuilder() << ToStringHeader() << " {" 
-        << " PathId: " << PathId 
-    << " }"; 
-} 
- 
+
+/// TEvEnqueueRecords
+TEvChangeExchange::TEvEnqueueRecords::TEvEnqueueRecords(const TVector<TRecordInfo>& records)
+    : Records(records)
+{
+}
+
+TEvChangeExchange::TEvEnqueueRecords::TEvEnqueueRecords(TVector<TRecordInfo>&& records)
+    : Records(std::move(records))
+{
+}
+
+TString TEvChangeExchange::TEvEnqueueRecords::ToString() const {
+    return TStringBuilder() << ToStringHeader() << " {"
+        << " Records [" << JoinSeq(",", Records) << "]"
+    << " }";
+}
+
+TEvChangeExchange::TEvEnqueueRecords::TRecordInfo::TRecordInfo(ui64 order, const TPathId& pathId, ui64 bodySize)
+    : Order(order)
+    , PathId(pathId)
+    , BodySize(bodySize)
+{
+}
+
+void TEvChangeExchange::TEvEnqueueRecords::TRecordInfo::Out(IOutputStream& out) const {
+    out << "{"
+        << " Order: " << Order
+        << " PathId: " << PathId
+        << " BodySize: " << BodySize
+    << " }";
+}
+
+/// TEvRequestRecords
+TEvChangeExchange::TEvRequestRecords::TEvRequestRecords(const TVector<TRecordInfo>& records)
+    : Records(records)
+{
+}
+
+TEvChangeExchange::TEvRequestRecords::TEvRequestRecords(TVector<TRecordInfo>&& records)
+    : Records(std::move(records))
+{
+}
+
+TString TEvChangeExchange::TEvRequestRecords::ToString() const {
+    return TStringBuilder() << ToStringHeader() << " {"
+        << " Records [" << JoinSeq(",", Records) << "]"
+    << " }";
+}
+
+TEvChangeExchange::TEvRequestRecords::TRecordInfo::TRecordInfo(ui64 order, ui64 bodySize)
+    : Order(order)
+    , BodySize(bodySize)
+{
+}
+
+bool TEvChangeExchange::TEvRequestRecords::TRecordInfo::operator<(const TRecordInfo& rhs) const {
+    return Order < rhs.Order;
+}
+
+void TEvChangeExchange::TEvRequestRecords::TRecordInfo::Out(IOutputStream& out) const {
+    out << "{"
+        << " Order: " << Order
+        << " BodySize: " << BodySize
+    << " }";
+}
+
+/// TEvRemoveRecords
+TEvChangeExchange::TEvRemoveRecords::TEvRemoveRecords(const TVector<ui64>& records)
+    : Records(records)
+{
+}
+
+TEvChangeExchange::TEvRemoveRecords::TEvRemoveRecords(TVector<ui64>&& records)
+    : Records(std::move(records))
+{
+}
+
+TString TEvChangeExchange::TEvRemoveRecords::ToString() const {
+    return TStringBuilder() << ToStringHeader() << " {"
+        << " Records [" << JoinSeq(",", Records) << "]"
+    << " }";
+}
+
+/// TEvRecords
+TEvChangeExchange::TEvRecords::TEvRecords(const TVector<TChangeRecord>& records)
+    : Records(records)
+{
+}
+
+TEvChangeExchange::TEvRecords::TEvRecords(TVector<TChangeRecord>&& records)
+    : Records(std::move(records))
+{
+}
+
+TString TEvChangeExchange::TEvRecords::ToString() const {
+    return TStringBuilder() << ToStringHeader() << " {"
+        << " Records [" << JoinSeq(",", Records) << "]"
+    << " }";
+}
+
+/// TEvForgetRecords
+TEvChangeExchange::TEvForgetRecords::TEvForgetRecords(const TVector<ui64>& records)
+    : Records(records)
+{
+}
+
+TEvChangeExchange::TEvForgetRecords::TEvForgetRecords(TVector<ui64>&& records)
+    : Records(std::move(records))
+{
+}
+
+TString TEvChangeExchange::TEvForgetRecords::ToString() const {
+    return TStringBuilder() << ToStringHeader() << " {"
+        << " Records [" << JoinSeq(",", Records) << "]"
+    << " }";
+}
+
+/// TEvAddSender
+TEvChangeExchange::TEvAddSender::TEvAddSender(const TTableId& userTableId, TEvChangeExchange::ESenderType type, const TPathId& pathId)
+    : UserTableId(userTableId)
+    , Type(type)
+    , PathId(pathId)
+{
+}
+
+TString TEvChangeExchange::TEvAddSender::ToString() const {
+    return TStringBuilder() << ToStringHeader() << " {"
+        << " UserTableId: " << UserTableId
+        << " Type: " << Type
+        << " PathId: " << PathId
+    << " }";
+}
+
+/// TEvRemoveSender
+TEvChangeExchange::TEvRemoveSender::TEvRemoveSender(const TPathId& pathId)
+    : PathId(pathId)
+{
+}
+
+TString TEvChangeExchange::TEvRemoveSender::ToString() const {
+    return TStringBuilder() << ToStringHeader() << " {"
+        << " PathId: " << PathId
+    << " }";
+}
+
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/change_exchange.h b/ydb/core/tx/datashard/change_exchange.h
index 62c34e8c01..93fb3617b1 100644
--- a/ydb/core/tx/datashard/change_exchange.h
+++ b/ydb/core/tx/datashard/change_exchange.h
@@ -1,161 +1,161 @@
-#pragma once 
- 
-#include "defs.h" 
-#include "change_record.h" 
- 
+#pragma once
+
+#include "defs.h"
+#include "change_record.h"
+
 #include <ydb/core/protos/change_exchange.pb.h>
 #include <ydb/core/scheme/scheme_tabledefs.h>
- 
-#include <util/generic/vector.h> 
- 
-namespace NKikimr { 
+
+#include <util/generic/vector.h>
+
+namespace NKikimr {
 namespace NDataShard {
- 
+
 class TDataShard;
- 
-struct TEvChangeExchange { 
-    enum EEv { 
-        /// Network exchange protocol 
-        // Handshake between sender & receiver 
-        EvHandshake = EventSpaceBegin(TKikimrEvents::ES_CHANGE_EXCHANGE), 
-        // Apply change record(s) on receiver 
-        EvApplyRecords, 
-        // Handshake & application status 
-        EvStatus, 
-        // Activation 
-        EvActivateSender, 
-        EvActivateSenderAck, 
- 
-        /// Local exchange (mostly using change's id) 
-        // Enqueue for sending 
-        EvEnqueueRecords, 
-        // Request change record(s) by id 
-        EvRequestRecords, 
-        // Change record(s) 
-        EvRecords, 
-        // Remove change record(s) from local database 
-        EvRemoveRecords, 
- 
-        // Add new change sender 
-        EvAddSender, 
-        // Remove existing change sender 
-        EvRemoveSender, 
- 
-        // Already removed records that the sender should forget about 
-        EvForgetRecods, 
- 
-        // Split/merge 
-        EvSplitAck, 
- 
-        EvEnd, 
-    }; 
- 
-    static_assert(EvEnd < EventSpaceEnd(TKikimrEvents::ES_CHANGE_EXCHANGE)); 
- 
-    /// Network events 
-    struct TEvHandshake: public TEventPB<TEvHandshake, NKikimrChangeExchange::TEvHandshake, EvHandshake> {}; 
-    struct TEvApplyRecords: public TEventPB<TEvApplyRecords, NKikimrChangeExchange::TEvApplyRecords, EvApplyRecords> {}; 
-    struct TEvStatus: public TEventPB<TEvStatus, NKikimrChangeExchange::TEvStatus, EvStatus> {}; 
-    struct TEvActivateSender: public TEventPB<TEvActivateSender, NKikimrChangeExchange::TEvActivateSender, EvActivateSender> {}; 
-    struct TEvActivateSenderAck: public TEventPB<TEvActivateSenderAck, NKikimrChangeExchange::TEvActivateSenderAck, EvActivateSenderAck> {}; 
- 
-    /// Local events 
-    struct TEvEnqueueRecords: public TEventLocal<TEvEnqueueRecords, EvEnqueueRecords> { 
-        struct TRecordInfo { 
-            ui64 Order; 
-            TPathId PathId; 
-            ui64 BodySize; 
- 
-            TRecordInfo(ui64 order, const TPathId& pathId, ui64 bodySize); 
- 
-            void Out(IOutputStream& out) const; 
-        }; 
- 
-        TVector<TRecordInfo> Records; 
- 
-        explicit TEvEnqueueRecords(const TVector<TRecordInfo>& records); 
-        explicit TEvEnqueueRecords(TVector<TRecordInfo>&& records); 
-        TString ToString() const override; 
-    }; 
- 
-    struct TEvRequestRecords: public TEventLocal<TEvRequestRecords, EvRequestRecords> { 
-        struct TRecordInfo { 
-            ui64 Order; 
-            ui64 BodySize; 
- 
-            TRecordInfo(ui64 order, ui64 bodySize = 0); 
- 
-            bool operator<(const TRecordInfo& rhs) const; 
-            void Out(IOutputStream& out) const; 
-        }; 
- 
-        TVector<TRecordInfo> Records; 
- 
-        explicit TEvRequestRecords(const TVector<TRecordInfo>& records); 
-        explicit TEvRequestRecords(TVector<TRecordInfo>&& records); 
-        TString ToString() const override; 
-    }; 
- 
-    struct TEvRemoveRecords: public TEventLocal<TEvRemoveRecords, EvRemoveRecords> { 
-        TVector<ui64> Records; 
- 
-        explicit TEvRemoveRecords(const TVector<ui64>& records); 
-        explicit TEvRemoveRecords(TVector<ui64>&& records); 
-        TString ToString() const override; 
-    }; 
- 
-    struct TEvRecords: public TEventLocal<TEvRecords, EvRecords> { 
-        TVector<TChangeRecord> Records; 
- 
-        explicit TEvRecords(const TVector<TChangeRecord>& records); 
-        explicit TEvRecords(TVector<TChangeRecord>&& records); 
-        TString ToString() const override; 
-    }; 
- 
-    struct TEvForgetRecords: public TEventLocal<TEvForgetRecords, EvForgetRecods> { 
-        TVector<ui64> Records; 
- 
-        explicit TEvForgetRecords(const TVector<ui64>& records); 
-        explicit TEvForgetRecords(TVector<ui64>&& records); 
-        TString ToString() const override; 
-    }; 
- 
-    enum class ESenderType { 
-        AsyncIndex, 
-        CdcStream, 
-    }; 
- 
-    struct TEvAddSender: public TEventLocal<TEvAddSender, EvAddSender> { 
-        TTableId UserTableId; 
-        ESenderType Type; 
-        TPathId PathId; 
- 
-        explicit TEvAddSender(const TTableId& userTableId, ESenderType type, const TPathId& pathId); 
-        TString ToString() const override; 
-    }; 
- 
-    struct TEvRemoveSender: public TEventLocal<TEvRemoveSender, EvRemoveSender> { 
-        TPathId PathId; 
- 
-        explicit TEvRemoveSender(const TPathId& pathId); 
-        TString ToString() const override; 
-    }; 
- 
-    struct TEvSplitAck: public TEventLocal<TEvSplitAck, EvSplitAck> { 
-    }; 
- 
-}; // TEvChangeExchange 
- 
+
+struct TEvChangeExchange {
+    enum EEv {
+        /// Network exchange protocol
+        // Handshake between sender & receiver
+        EvHandshake = EventSpaceBegin(TKikimrEvents::ES_CHANGE_EXCHANGE),
+        // Apply change record(s) on receiver
+        EvApplyRecords,
+        // Handshake & application status
+        EvStatus,
+        // Activation
+        EvActivateSender,
+        EvActivateSenderAck,
+
+        /// Local exchange (mostly using change's id)
+        // Enqueue for sending
+        EvEnqueueRecords,
+        // Request change record(s) by id
+        EvRequestRecords,
+        // Change record(s)
+        EvRecords,
+        // Remove change record(s) from local database
+        EvRemoveRecords,
+
+        // Add new change sender
+        EvAddSender,
+        // Remove existing change sender
+        EvRemoveSender,
+
+        // Already removed records that the sender should forget about
+        EvForgetRecods,
+
+        // Split/merge
+        EvSplitAck,
+
+        EvEnd,
+    };
+
+    static_assert(EvEnd < EventSpaceEnd(TKikimrEvents::ES_CHANGE_EXCHANGE));
+
+    /// Network events
+    struct TEvHandshake: public TEventPB<TEvHandshake, NKikimrChangeExchange::TEvHandshake, EvHandshake> {};
+    struct TEvApplyRecords: public TEventPB<TEvApplyRecords, NKikimrChangeExchange::TEvApplyRecords, EvApplyRecords> {};
+    struct TEvStatus: public TEventPB<TEvStatus, NKikimrChangeExchange::TEvStatus, EvStatus> {};
+    struct TEvActivateSender: public TEventPB<TEvActivateSender, NKikimrChangeExchange::TEvActivateSender, EvActivateSender> {};
+    struct TEvActivateSenderAck: public TEventPB<TEvActivateSenderAck, NKikimrChangeExchange::TEvActivateSenderAck, EvActivateSenderAck> {};
+
+    /// Local events
+    struct TEvEnqueueRecords: public TEventLocal<TEvEnqueueRecords, EvEnqueueRecords> {
+        struct TRecordInfo {
+            ui64 Order;
+            TPathId PathId;
+            ui64 BodySize;
+
+            TRecordInfo(ui64 order, const TPathId& pathId, ui64 bodySize);
+
+            void Out(IOutputStream& out) const;
+        };
+
+        TVector<TRecordInfo> Records;
+
+        explicit TEvEnqueueRecords(const TVector<TRecordInfo>& records);
+        explicit TEvEnqueueRecords(TVector<TRecordInfo>&& records);
+        TString ToString() const override;
+    };
+
+    struct TEvRequestRecords: public TEventLocal<TEvRequestRecords, EvRequestRecords> {
+        struct TRecordInfo {
+            ui64 Order;
+            ui64 BodySize;
+
+            TRecordInfo(ui64 order, ui64 bodySize = 0);
+
+            bool operator<(const TRecordInfo& rhs) const;
+            void Out(IOutputStream& out) const;
+        };
+
+        TVector<TRecordInfo> Records;
+
+        explicit TEvRequestRecords(const TVector<TRecordInfo>& records);
+        explicit TEvRequestRecords(TVector<TRecordInfo>&& records);
+        TString ToString() const override;
+    };
+
+    struct TEvRemoveRecords: public TEventLocal<TEvRemoveRecords, EvRemoveRecords> {
+        TVector<ui64> Records;
+
+        explicit TEvRemoveRecords(const TVector<ui64>& records);
+        explicit TEvRemoveRecords(TVector<ui64>&& records);
+        TString ToString() const override;
+    };
+
+    struct TEvRecords: public TEventLocal<TEvRecords, EvRecords> {
+        TVector<TChangeRecord> Records;
+
+        explicit TEvRecords(const TVector<TChangeRecord>& records);
+        explicit TEvRecords(TVector<TChangeRecord>&& records);
+        TString ToString() const override;
+    };
+
+    struct TEvForgetRecords: public TEventLocal<TEvForgetRecords, EvForgetRecods> {
+        TVector<ui64> Records;
+
+        explicit TEvForgetRecords(const TVector<ui64>& records);
+        explicit TEvForgetRecords(TVector<ui64>&& records);
+        TString ToString() const override;
+    };
+
+    enum class ESenderType {
+        AsyncIndex,
+        CdcStream,
+    };
+
+    struct TEvAddSender: public TEventLocal<TEvAddSender, EvAddSender> {
+        TTableId UserTableId;
+        ESenderType Type;
+        TPathId PathId;
+
+        explicit TEvAddSender(const TTableId& userTableId, ESenderType type, const TPathId& pathId);
+        TString ToString() const override;
+    };
+
+    struct TEvRemoveSender: public TEventLocal<TEvRemoveSender, EvRemoveSender> {
+        TPathId PathId;
+
+        explicit TEvRemoveSender(const TPathId& pathId);
+        TString ToString() const override;
+    };
+
+    struct TEvSplitAck: public TEventLocal<TEvSplitAck, EvSplitAck> {
+    };
+
+}; // TEvChangeExchange
+
 IActor* CreateChangeSender(const TDataShard* self);
-IActor* CreateChangeExchangeSplit(const TDataShard* self, const TVector<ui64>& dstDataShards); 
- 
+IActor* CreateChangeExchangeSplit(const TDataShard* self, const TVector<ui64>& dstDataShards);
+
 } // NDataShard
-} // NKikimr 
- 
+} // NKikimr
+
 Y_DECLARE_OUT_SPEC(inline, NKikimr::NDataShard::TEvChangeExchange::TEvEnqueueRecords::TRecordInfo, o, x) {
-    return x.Out(o); 
-} 
- 
+    return x.Out(o);
+}
+
 Y_DECLARE_OUT_SPEC(inline, NKikimr::NDataShard::TEvChangeExchange::TEvRequestRecords::TRecordInfo, o, x) {
-    return x.Out(o); 
-} 
+    return x.Out(o);
+}
diff --git a/ydb/core/tx/datashard/change_exchange_helpers.h b/ydb/core/tx/datashard/change_exchange_helpers.h
index f9aea96759..7383fe6a62 100644
--- a/ydb/core/tx/datashard/change_exchange_helpers.h
+++ b/ydb/core/tx/datashard/change_exchange_helpers.h
@@ -1,23 +1,23 @@
-#pragma once 
- 
-#include "defs.h" 
- 
-#define LOG_T(stream) LOG_TRACE_S (*TlsActivationContext, NKikimrServices::CHANGE_EXCHANGE, GetLogPrefix() << stream) 
-#define LOG_D(stream) LOG_DEBUG_S (*TlsActivationContext, NKikimrServices::CHANGE_EXCHANGE, GetLogPrefix() << stream) 
-#define LOG_I(stream) LOG_INFO_S  (*TlsActivationContext, NKikimrServices::CHANGE_EXCHANGE, GetLogPrefix() << stream) 
-#define LOG_N(stream) LOG_NOTICE_S(*TlsActivationContext, NKikimrServices::CHANGE_EXCHANGE, GetLogPrefix() << stream) 
-#define LOG_W(stream) LOG_WARN_S  (*TlsActivationContext, NKikimrServices::CHANGE_EXCHANGE, GetLogPrefix() << stream) 
-#define LOG_E(stream) LOG_ERROR_S (*TlsActivationContext, NKikimrServices::CHANGE_EXCHANGE, GetLogPrefix() << stream) 
-#define LOG_C(stream) LOG_CRIT_S  (*TlsActivationContext, NKikimrServices::CHANGE_EXCHANGE, GetLogPrefix() << stream) 
- 
-namespace NKikimr { 
+#pragma once
+
+#include "defs.h"
+
+#define LOG_T(stream) LOG_TRACE_S (*TlsActivationContext, NKikimrServices::CHANGE_EXCHANGE, GetLogPrefix() << stream)
+#define LOG_D(stream) LOG_DEBUG_S (*TlsActivationContext, NKikimrServices::CHANGE_EXCHANGE, GetLogPrefix() << stream)
+#define LOG_I(stream) LOG_INFO_S  (*TlsActivationContext, NKikimrServices::CHANGE_EXCHANGE, GetLogPrefix() << stream)
+#define LOG_N(stream) LOG_NOTICE_S(*TlsActivationContext, NKikimrServices::CHANGE_EXCHANGE, GetLogPrefix() << stream)
+#define LOG_W(stream) LOG_WARN_S  (*TlsActivationContext, NKikimrServices::CHANGE_EXCHANGE, GetLogPrefix() << stream)
+#define LOG_E(stream) LOG_ERROR_S (*TlsActivationContext, NKikimrServices::CHANGE_EXCHANGE, GetLogPrefix() << stream)
+#define LOG_C(stream) LOG_CRIT_S  (*TlsActivationContext, NKikimrServices::CHANGE_EXCHANGE, GetLogPrefix() << stream)
+
+namespace NKikimr {
 namespace NDataShard {
- 
-struct TDataShardId { 
-    ui64 TabletId; 
-    ui64 Generation; 
-    TActorId ActorId; 
-}; 
- 
+
+struct TDataShardId {
+    ui64 TabletId;
+    ui64 Generation;
+    TActorId ActorId;
+};
+
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/change_exchange_impl.h b/ydb/core/tx/datashard/change_exchange_impl.h
index 61059896a0..b6af2aea26 100644
--- a/ydb/core/tx/datashard/change_exchange_impl.h
+++ b/ydb/core/tx/datashard/change_exchange_impl.h
@@ -1,13 +1,13 @@
-#pragma once 
- 
-#include "defs.h" 
-#include "change_exchange_helpers.h" 
- 
-namespace NKikimr { 
+#pragma once
+
+#include "defs.h"
+#include "change_exchange_helpers.h"
+
+namespace NKikimr {
 namespace NDataShard {
- 
-IActor* CreateAsyncIndexChangeSender(const TDataShardId& dataShard, const TTableId& userTableId, const TPathId& indexPathId); 
-IActor* CreateCdcStreamChangeSender(const TDataShardId& dataShard, const TPathId& streamPathId); 
- 
+
+IActor* CreateAsyncIndexChangeSender(const TDataShardId& dataShard, const TTableId& userTableId, const TPathId& indexPathId);
+IActor* CreateCdcStreamChangeSender(const TDataShardId& dataShard, const TPathId& streamPathId);
+
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/change_exchange_split.cpp b/ydb/core/tx/datashard/change_exchange_split.cpp
index bf592f6e41..af95c80036 100644
--- a/ydb/core/tx/datashard/change_exchange_split.cpp
+++ b/ydb/core/tx/datashard/change_exchange_split.cpp
@@ -1,584 +1,584 @@
-#include "change_exchange.h" 
-#include "change_exchange_helpers.h" 
-#include "change_sender_common_ops.h" 
-#include "datashard_impl.h" 
- 
+#include "change_exchange.h"
+#include "change_exchange_helpers.h"
+#include "change_sender_common_ops.h"
+#include "datashard_impl.h"
+
 #include <ydb/core/base/tablet_pipe.h>
 #include <ydb/core/persqueue/events/global.h>
 #include <ydb/core/persqueue/writer/source_id_encoding.h>
 #include <ydb/public/lib/base/msgbus_status.h>
- 
-#include <library/cpp/actors/core/actor_bootstrapped.h> 
-#include <library/cpp/actors/core/hfunc.h> 
-#include <library/cpp/actors/core/log.h> 
- 
-#include <util/generic/hash.h> 
-#include <util/string/builder.h> 
- 
-namespace NKikimr { 
-namespace NDataShard { 
- 
-class TCdcPartitionWorker: public TActorBootstrapped<TCdcPartitionWorker> { 
-    void Ack() { 
-        Send(Parent, new TEvChangeExchange::TEvSplitAck()); 
-        PassAway(); 
-    } 
- 
-    void Leave() { 
-        Send(Parent, new TEvents::TEvGone()); 
-        PassAway(); 
-    } 
- 
-    void Handle(TEvPersQueue::TEvResponse::TPtr& ev) { 
-        const auto& response = ev->Get()->Record; 
- 
-        switch (response.GetStatus()) { 
-        case NMsgBusProxy::MSTATUS_OK: 
-            if (response.GetErrorCode() == NPersQueue::NErrorCode::OK) { 
-                return Ack(); 
-            } 
-            break; 
-        case NMsgBusProxy::MSTATUS_ERROR: 
-            if (response.GetErrorCode() == NPersQueue::NErrorCode::SOURCEID_DELETED) { 
-                return Ack(); 
-            } 
-            break; 
-        default: 
-            break; 
-        } 
- 
-        Leave(); 
-    } 
- 
-    void Handle(TEvTabletPipe::TEvClientConnected::TPtr& ev) { 
-        if (ev->Get()->TabletId == TabletId && ev->Get()->Status != NKikimrProto::OK) { 
-            Leave(); 
-        } 
-    } 
- 
-    void Handle(TEvTabletPipe::TEvClientDestroyed::TPtr& ev) { 
-        if (ev->Get()->TabletId == TabletId) { 
-            Leave(); 
-        } 
-    } 
- 
-    void PassAway() override { 
-        if (PipeClient) { 
-            NTabletPipe::CloseAndForgetClient(SelfId(), PipeClient); 
-        } 
- 
-        TActorBootstrapped::PassAway(); 
-    } 
- 
-public: 
-    static constexpr NKikimrServices::TActivity::EType ActorActivityType() { 
-        return NKikimrServices::TActivity::CHANGE_EXCHANGE_SPLIT_ACTOR; 
-    } 
- 
-    explicit TCdcPartitionWorker(const TActorId& parent, ui32 partitionId, ui64 tabletId, 
-            ui64 srcTabletId, const TVector<ui64>& dstTabletIds) 
-        : Parent(parent) 
-        , PartitionId(partitionId) 
-        , TabletId(tabletId) 
-        , SrcTabletId(srcTabletId) 
-        , DstTabletIds(dstTabletIds) 
-    { 
-    } 
- 
-    void Bootstrap() { 
-        NTabletPipe::TClientConfig config; 
-        config.RetryPolicy = { 
-            .RetryLimitCount = 6, 
-            .MinRetryTime = TDuration::MilliSeconds(10), 
-            .MaxRetryTime = TDuration::MilliSeconds(100), 
-            .BackoffMultiplier = 2, 
-            .DoFirstRetryInstantly = true 
-        }; 
- 
-        PipeClient = RegisterWithSameMailbox(NTabletPipe::CreateClient(SelfId(), TabletId, config)); 
- 
-        auto ev = MakeHolder<TEvPersQueue::TEvRequest>(); 
-        auto& request = *ev->Record.MutablePartitionRequest(); 
-        request.SetPartition(PartitionId); 
-        ActorIdToProto(PipeClient, request.MutablePipeClient()); 
- 
-        auto& cmd = *request.MutableCmdSplitMessageGroup(); 
-        { 
-            auto& group = *cmd.AddDeregisterGroups(); 
-            group.SetId(NPQ::NSourceIdEncoding::EncodeSimple(ToString(SrcTabletId))); 
-        } 
-        for (const auto dstTabletId : DstTabletIds) { 
-            auto& group = *cmd.AddRegisterGroups(); 
-            group.SetId(NPQ::NSourceIdEncoding::EncodeSimple(ToString(dstTabletId))); 
-        } 
- 
-        Become(&TThis::StateWork); 
-    } 
- 
-    STATEFN(StateWork) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvPersQueue::TEvResponse, Handle); 
-            hFunc(TEvTabletPipe::TEvClientConnected, Handle); 
-            hFunc(TEvTabletPipe::TEvClientDestroyed, Handle); 
-            sFunc(TEvents::TEvPoison, PassAway); 
-        } 
-    } 
- 
-private: 
-    const TActorId Parent; 
-    const ui32 PartitionId; 
-    const ui64 TabletId; 
-    const ui64 SrcTabletId; 
-    const TVector<ui64> DstTabletIds; 
- 
-    TActorId PipeClient; 
- 
-}; // TCdcPartitionWorker 
- 
-class TCdcWorker: public TActorBootstrapped<TCdcWorker>, private TSchemeCacheHelpers { 
-    TStringBuf GetLogPrefix() const { 
-        if (!LogPrefix) { 
-            LogPrefix = TStringBuilder() 
-                << "[ChangeExchangeSplitCdcWorker]" 
-                << "[" << SrcTabletId << "]" 
-                << SelfId() /* contains brackets */; 
-        } 
- 
-        return LogPrefix.GetRef(); 
-    } 
- 
-    void Ack() { 
-        Send(Parent, new TEvChangeExchange::TEvSplitAck()); 
-        PassAway(); 
-    } 
- 
-    bool IsResolvingCdcStream() const { 
-        return CurrentStateFunc() == static_cast<TReceiveFunc>(&TThis::StateResolveCdcStream); 
-    } 
- 
-    bool IsResolvingTopic() const { 
-        return CurrentStateFunc() == static_cast<TReceiveFunc>(&TThis::StateResolveTopic); 
-    } 
- 
-    bool IsResolving() const { 
-        return IsResolvingCdcStream() 
-            || IsResolvingTopic(); 
-    } 
- 
-    TStringBuf CurrentStateName() const { 
-        if (IsResolvingCdcStream()) { 
-            return "ResolveCdcStream"; 
-        } else if (IsResolvingTopic()) { 
-            return "ResolveTopic"; 
-        } else { 
-            return ""; 
-        } 
-    } 
- 
-    void Retry() { 
-        Schedule(TDuration::Seconds(1), new TEvents::TEvWakeup()); 
-    } 
- 
-    void LogCritAndRetry(const TString& error) { 
-        LOG_C(error); 
-        Retry(); 
-    } 
- 
-    void LogWarnAndRetry(const TString& error) { 
-        LOG_W(error); 
-        Retry(); 
-    } 
- 
-    template <typename CheckFunc, typename FailFunc, typename T, typename... Args> 
-    bool Check(CheckFunc checkFunc, FailFunc failFunc, const T& subject, Args&&... args) { 
-        return checkFunc(CurrentStateName(), subject, std::forward<Args>(args)..., std::bind(failFunc, this, std::placeholders::_1)); 
-    } 
- 
-    bool CheckNotEmpty(const TAutoPtr<TNavigate>& result) { 
-        return Check(&TSchemeCacheHelpers::CheckNotEmpty<TNavigate>, &TThis::LogCritAndRetry, result); 
-    } 
- 
-    bool CheckEntriesCount(const TAutoPtr<TNavigate>& result, ui32 expected) { 
-        return Check(&TSchemeCacheHelpers::CheckEntriesCount<TNavigate>, &TThis::LogCritAndRetry, result, expected); 
-    } 
- 
-    bool CheckTableId(const TNavigate::TEntry& entry, const TTableId& expected) { 
-        return Check(&TSchemeCacheHelpers::CheckTableId<TNavigate::TEntry>, &TThis::LogCritAndRetry, entry, expected); 
-    } 
- 
-    bool CheckEntrySucceeded(const TNavigate::TEntry& entry) { 
-        return Check(&TSchemeCacheHelpers::CheckEntrySucceeded<TNavigate::TEntry>, &TThis::LogWarnAndRetry, entry); 
-    } 
- 
-    bool CheckEntryKind(const TNavigate::TEntry& entry, TNavigate::EKind expected) { 
-        return Check(&TSchemeCacheHelpers::CheckEntryKind<TNavigate::TEntry>, &TThis::LogWarnAndRetry, entry, expected); 
-    } 
- 
-    bool CheckNotEmpty(const TIntrusiveConstPtr<TNavigate::TPQGroupInfo>& pqInfo) { 
-        if (pqInfo) { 
-            return true; 
-        } 
- 
-        LogCritAndRetry(TStringBuilder() << "Empty pq info at '" << CurrentStateName() << "'"); 
-        return false; 
-    } 
- 
-    /// ResolveCdcStream 
- 
-    void ResolveCdcStream() { 
-        auto request = MakeHolder<TNavigate>(); 
-        request->ResultSet.emplace_back(MakeNavigateEntry(PathId, TNavigate::OpList)); 
- 
-        Send(MakeSchemeCacheID(), new TEvNavigate(request.Release())); 
-        Become(&TThis::StateResolveCdcStream); 
-    } 
- 
-    STATEFN(StateResolveCdcStream) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvTxProxySchemeCache::TEvNavigateKeySetResult, HandleCdcStream); 
-            sFunc(TEvents::TEvWakeup, ResolveCdcStream); 
-        default: 
-            return StateBase(ev, TlsActivationContext->AsActorContext()); 
-        } 
-    } 
- 
-    void HandleCdcStream(TEvTxProxySchemeCache::TEvNavigateKeySetResult::TPtr& ev) { 
-        const auto& result = ev->Get()->Request; 
- 
-        LOG_D("Handle TEvTxProxySchemeCache::TEvNavigateKeySetResult" 
-            << ": result# " << (result ? result->ToString(*AppData()->TypeRegistry) : "nullptr")); 
- 
-        if (!CheckNotEmpty(result)) { 
-            return; 
-        } 
- 
-        if (!CheckEntriesCount(result, 1)) { 
-            return; 
-        } 
- 
-        const auto& entry = result->ResultSet.at(0); 
- 
-        if (!CheckTableId(entry, PathId)) { 
-            return; 
-        } 
- 
-        if (!CheckEntrySucceeded(entry)) { 
-            return; 
-        } 
- 
-        if (!CheckEntryKind(entry, TNavigate::KindCdcStream)) { 
-            return; 
-        } 
- 
-        Y_VERIFY(entry.ListNodeEntry->Children.size() == 1); 
-        const auto& topic = entry.ListNodeEntry->Children.at(0); 
- 
-        Y_VERIFY(topic.Kind == TNavigate::KindTopic); 
-        ResolveTopic(topic.PathId); 
-    } 
- 
-    /// ResolveTopic 
- 
-    void ResolveTopic(const TPathId& pathId) { 
-        auto request = MakeHolder<TNavigate>(); 
-        request->ResultSet.emplace_back(MakeNavigateEntry(pathId, TNavigate::OpTopic)); 
- 
-        Send(MakeSchemeCacheID(), new TEvNavigate(request.Release())); 
-        Become(&TThis::StateResolveTopic); 
-    } 
- 
-    STATEFN(StateResolveTopic) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvTxProxySchemeCache::TEvNavigateKeySetResult, HandleTopic); 
-            sFunc(TEvents::TEvWakeup, ResolveCdcStream); 
-        default: 
-            return StateBase(ev, TlsActivationContext->AsActorContext()); 
-        } 
-    } 
- 
-    void HandleTopic(TEvTxProxySchemeCache::TEvNavigateKeySetResult::TPtr& ev) { 
-        const auto& result = ev->Get()->Request; 
- 
-        LOG_D("Handle TEvTxProxySchemeCache::TEvNavigateKeySetResult" 
-            << ": result# " << (result ? result->ToString(*AppData()->TypeRegistry) : "nullptr")); 
- 
-        if (!CheckNotEmpty(result)) { 
-            return; 
-        } 
- 
-        if (!CheckEntriesCount(result, 1)) { 
-            return; 
-        } 
- 
-        const auto& entry = result->ResultSet.at(0); 
- 
-        if (!CheckEntrySucceeded(entry)) { 
-            return; 
-        } 
- 
-        if (!CheckEntryKind(entry, TNavigate::KindTopic)) { 
-            return; 
-        } 
- 
-        if (!CheckNotEmpty(entry.PQGroupInfo)) { 
-            return; 
-        } 
- 
-        THashMap<ui32, TActorId> workers; 
- 
-        for (const auto& partition : entry.PQGroupInfo->Description.GetPartitions()) { 
-            const auto partitionId = partition.GetPartitionId(); 
-            const auto tabletId = partition.GetTabletId(); 
- 
-            auto it = Workers.find(partitionId); 
-            if (it != Workers.end()) { 
-                workers.emplace(partitionId, it->second); 
-                Workers.erase(it); 
-            } else { 
-                const auto worker = Register(new TCdcPartitionWorker(SelfId(), partitionId, tabletId, SrcTabletId, DstTabletIds)); 
-                workers.emplace(partitionId, worker); 
-                Pending.emplace(worker, partitionId); 
-            } 
-        } 
- 
-        for (const auto& [_, worker] : Workers) { 
-            if (worker) { 
-                Send(worker, new TEvents::TEvPoisonPill()); 
-                Pending.erase(worker); 
-            } 
-        } 
- 
-        if (Pending.empty()) { 
-            return Ack(); 
-        } 
- 
-        Workers = std::move(workers); 
-        Become(&TThis::StateWork); 
-    } 
- 
-    STATEFN(StateWork) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvChangeExchange::TEvSplitAck, Handle); 
-            hFunc(TEvents::TEvGone, Handle); 
-        default: 
-            return StateBase(ev, TlsActivationContext->AsActorContext()); 
-        } 
-    } 
- 
-    void Handle(TEvChangeExchange::TEvSplitAck::TPtr& ev) { 
-        LOG_D("Handle " << ev->Get()->ToString()); 
- 
-        auto it = Pending.find(ev->Sender); 
-        if (it == Pending.end()) { 
-            LOG_W("Split ack from unknown worker" 
-                << ": worker# " << ev->Sender); 
-            return; 
-        } 
- 
-        LOG_N("Split ack" 
-            << ": worker# " << it->first 
-            << ", partition# " << it->second); 
- 
-        Workers[it->second] = TActorId(); 
-        Pending.erase(it); 
- 
-        if (Pending.empty()) { 
-            Ack(); 
-        } 
-    } 
- 
-    void Handle(TEvents::TEvGone::TPtr& ev) { 
-        LOG_D("Handle " << ev->Get()->ToString()); 
- 
-        auto it = Pending.find(ev->Sender); 
-        if (it == Pending.end()) { 
-            LOG_W("Unknown worker has gone" 
-                << ": worker# " << ev->Sender); 
-            return; 
-        } 
- 
-        LOG_I("Worker has gone" 
-            << ": worker# " << it->first 
-            << ", partition# " << it->second); 
- 
-        Workers.erase(it->second); 
-        Pending.erase(it); 
- 
-        if (!IsResolving()) { 
-            ResolveCdcStream(); 
-        } 
-    } 
- 
-    void PassAway() override { 
-        for (const auto& [_, worker] : Workers) { 
-            if (worker) { 
-                Send(worker, new TEvents::TEvPoisonPill()); 
-            } 
-        } 
- 
-        TActorBootstrapped::PassAway(); 
-    } 
- 
-public: 
-    static constexpr NKikimrServices::TActivity::EType ActorActivityType() { 
-        return NKikimrServices::TActivity::CHANGE_EXCHANGE_SPLIT_ACTOR; 
-    } 
- 
-    explicit TCdcWorker(const TActorId& parent, const TPathId& pathId, 
-            ui64 srcTabletId, const TVector<ui64>& dstTabletIds) 
-        : Parent(parent) 
-        , PathId(pathId) 
-        , SrcTabletId(srcTabletId) 
-        , DstTabletIds(dstTabletIds) 
-    { 
-    } 
- 
-    void Bootstrap() { 
-        ResolveCdcStream(); 
-    } 
- 
-    STATEFN(StateBase) { 
-        switch (ev->GetTypeRewrite()) { 
-            sFunc(TEvents::TEvPoison, PassAway); 
-        } 
-    } 
- 
-private: 
-    const TActorId Parent; 
-    const TPathId PathId; 
-    const ui64 SrcTabletId; 
-    const TVector<ui64> DstTabletIds; 
-    mutable TMaybe<TString> LogPrefix; 
- 
-    THashMap<ui32, TActorId> Workers; 
-    THashMap<TActorId, ui32> Pending; 
- 
-}; // TCdcWorker 
- 
-class TChangeExchageSplit: public TActorBootstrapped<TChangeExchageSplit> { 
-    using EWorkerType = TEvChangeExchange::ESenderType; 
- 
-    struct TWorker { 
-        EWorkerType Type; 
-        TActorId ActorId; 
- 
-        explicit TWorker(EWorkerType type) 
-            : Type(type) 
-        { 
-        } 
-    }; 
- 
-    TStringBuf GetLogPrefix() const { 
-        if (!LogPrefix) { 
-            LogPrefix = TStringBuilder() 
-                << "[ChangeExchangeSplit]" 
-                << "[" << DataShard.TabletId << "]" 
-                << SelfId() /* contains brackets */; 
-        } 
- 
-        return LogPrefix.GetRef(); 
-    } 
- 
-    TActorId RegisterWorker(const TPathId& pathId, EWorkerType type) const { 
-        switch (type) { 
-        case EWorkerType::CdcStream: 
-            return Register(new TCdcWorker(SelfId(), pathId, DataShard.TabletId, DstDataShards)); 
-        case EWorkerType::AsyncIndex: 
-            Y_FAIL("unreachable"); 
-        } 
-    } 
- 
-    TActorId RegisterWorker(const TPathId& pathId, TWorker& worker) const { 
-        Y_VERIFY_DEBUG(!worker.ActorId); 
-        worker.ActorId = RegisterWorker(pathId, worker.Type); 
-        return worker.ActorId; 
-    } 
- 
-    void Ack() { 
-        Send(DataShard.ActorId, new TEvChangeExchange::TEvSplitAck()); 
-        PassAway(); 
-    } 
- 
-    void Handle(TEvChangeExchange::TEvSplitAck::TPtr& ev) { 
-        LOG_D("Handle " << ev->Get()->ToString()); 
- 
-        auto it = Pending.find(ev->Sender); 
-        if (it == Pending.end()) { 
-            LOG_W("Split ack from unknown worker" 
-                << ": worker# " << ev->Sender); 
-            return; 
-        } 
- 
-        LOG_N("Split ack" 
-            << ": worker# " << ev->Sender); 
- 
-        Workers.at(it->second).ActorId = TActorId(); 
-        Pending.erase(it); 
- 
-        if (Pending.empty()) { 
-            Ack(); 
-        } 
-    } 
- 
-    void PassAway() override { 
-        for (const auto& [_, worker] : Workers) { 
-            if (worker.ActorId) { 
-                Send(worker.ActorId, new TEvents::TEvPoisonPill()); 
-            } 
-        } 
- 
-        TActorBootstrapped::PassAway(); 
-    } 
- 
-public: 
-    static constexpr NKikimrServices::TActivity::EType ActorActivityType() { 
-        return NKikimrServices::TActivity::CHANGE_EXCHANGE_SPLIT_ACTOR; 
-    } 
- 
-    explicit TChangeExchageSplit(const TDataShard* self, const TVector<ui64>& dstDataShards) 
-        : TActorBootstrapped() 
-        , DataShard{self->TabletID(), self->Generation(), self->SelfId()} 
-        , DstDataShards(dstDataShards) 
-    { 
-        for (const auto& [_, tableInfo] : self->GetUserTables()) { 
-            for (const auto& [streamPathId, _] : tableInfo->CdcStreams) { 
-                Workers.emplace(streamPathId, EWorkerType::CdcStream); 
-            } 
-        } 
-    } 
- 
-    void Bootstrap() { 
-        if (!Workers) { 
-            return Ack(); 
-        } 
- 
-        for (auto& [pathId, worker] : Workers) { 
-            Pending.emplace(RegisterWorker(pathId, worker), pathId); 
-        } 
- 
-        Become(&TThis::StateWork); 
-    } 
- 
-    STATEFN(StateWork) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvChangeExchange::TEvSplitAck, Handle); 
-            sFunc(TEvents::TEvPoison, PassAway); 
-        } 
-    } 
- 
-private: 
-    const TDataShardId DataShard; 
-    const TVector<ui64> DstDataShards; 
-    mutable TMaybe<TString> LogPrefix; 
- 
-    THashMap<TPathId, TWorker> Workers; 
-    THashMap<TActorId, TPathId> Pending; 
- 
-}; // TChangeExchageSplit 
- 
-IActor* CreateChangeExchangeSplit(const TDataShard* self, const TVector<ui64>& dstDataShards) { 
-    return new TChangeExchageSplit(self, dstDataShards); 
-} 
- 
-} // NDataShard 
-} // NKikimr 
+
+#include <library/cpp/actors/core/actor_bootstrapped.h>
+#include <library/cpp/actors/core/hfunc.h>
+#include <library/cpp/actors/core/log.h>
+
+#include <util/generic/hash.h>
+#include <util/string/builder.h>
+
+namespace NKikimr {
+namespace NDataShard {
+
+class TCdcPartitionWorker: public TActorBootstrapped<TCdcPartitionWorker> {
+    void Ack() {
+        Send(Parent, new TEvChangeExchange::TEvSplitAck());
+        PassAway();
+    }
+
+    void Leave() {
+        Send(Parent, new TEvents::TEvGone());
+        PassAway();
+    }
+
+    void Handle(TEvPersQueue::TEvResponse::TPtr& ev) {
+        const auto& response = ev->Get()->Record;
+
+        switch (response.GetStatus()) {
+        case NMsgBusProxy::MSTATUS_OK:
+            if (response.GetErrorCode() == NPersQueue::NErrorCode::OK) {
+                return Ack();
+            }
+            break;
+        case NMsgBusProxy::MSTATUS_ERROR:
+            if (response.GetErrorCode() == NPersQueue::NErrorCode::SOURCEID_DELETED) {
+                return Ack();
+            }
+            break;
+        default:
+            break;
+        }
+
+        Leave();
+    }
+
+    void Handle(TEvTabletPipe::TEvClientConnected::TPtr& ev) {
+        if (ev->Get()->TabletId == TabletId && ev->Get()->Status != NKikimrProto::OK) {
+            Leave();
+        }
+    }
+
+    void Handle(TEvTabletPipe::TEvClientDestroyed::TPtr& ev) {
+        if (ev->Get()->TabletId == TabletId) {
+            Leave();
+        }
+    }
+
+    void PassAway() override {
+        if (PipeClient) {
+            NTabletPipe::CloseAndForgetClient(SelfId(), PipeClient);
+        }
+
+        TActorBootstrapped::PassAway();
+    }
+
+public:
+    static constexpr NKikimrServices::TActivity::EType ActorActivityType() {
+        return NKikimrServices::TActivity::CHANGE_EXCHANGE_SPLIT_ACTOR;
+    }
+
+    explicit TCdcPartitionWorker(const TActorId& parent, ui32 partitionId, ui64 tabletId,
+            ui64 srcTabletId, const TVector<ui64>& dstTabletIds)
+        : Parent(parent)
+        , PartitionId(partitionId)
+        , TabletId(tabletId)
+        , SrcTabletId(srcTabletId)
+        , DstTabletIds(dstTabletIds)
+    {
+    }
+
+    void Bootstrap() {
+        NTabletPipe::TClientConfig config;
+        config.RetryPolicy = {
+            .RetryLimitCount = 6,
+            .MinRetryTime = TDuration::MilliSeconds(10),
+            .MaxRetryTime = TDuration::MilliSeconds(100),
+            .BackoffMultiplier = 2,
+            .DoFirstRetryInstantly = true
+        };
+
+        PipeClient = RegisterWithSameMailbox(NTabletPipe::CreateClient(SelfId(), TabletId, config));
+
+        auto ev = MakeHolder<TEvPersQueue::TEvRequest>();
+        auto& request = *ev->Record.MutablePartitionRequest();
+        request.SetPartition(PartitionId);
+        ActorIdToProto(PipeClient, request.MutablePipeClient());
+
+        auto& cmd = *request.MutableCmdSplitMessageGroup();
+        {
+            auto& group = *cmd.AddDeregisterGroups();
+            group.SetId(NPQ::NSourceIdEncoding::EncodeSimple(ToString(SrcTabletId)));
+        }
+        for (const auto dstTabletId : DstTabletIds) {
+            auto& group = *cmd.AddRegisterGroups();
+            group.SetId(NPQ::NSourceIdEncoding::EncodeSimple(ToString(dstTabletId)));
+        }
+
+        Become(&TThis::StateWork);
+    }
+
+    STATEFN(StateWork) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvPersQueue::TEvResponse, Handle);
+            hFunc(TEvTabletPipe::TEvClientConnected, Handle);
+            hFunc(TEvTabletPipe::TEvClientDestroyed, Handle);
+            sFunc(TEvents::TEvPoison, PassAway);
+        }
+    }
+
+private:
+    const TActorId Parent;
+    const ui32 PartitionId;
+    const ui64 TabletId;
+    const ui64 SrcTabletId;
+    const TVector<ui64> DstTabletIds;
+
+    TActorId PipeClient;
+
+}; // TCdcPartitionWorker
+
+class TCdcWorker: public TActorBootstrapped<TCdcWorker>, private TSchemeCacheHelpers {
+    TStringBuf GetLogPrefix() const {
+        if (!LogPrefix) {
+            LogPrefix = TStringBuilder()
+                << "[ChangeExchangeSplitCdcWorker]"
+                << "[" << SrcTabletId << "]"
+                << SelfId() /* contains brackets */;
+        }
+
+        return LogPrefix.GetRef();
+    }
+
+    void Ack() {
+        Send(Parent, new TEvChangeExchange::TEvSplitAck());
+        PassAway();
+    }
+
+    bool IsResolvingCdcStream() const {
+        return CurrentStateFunc() == static_cast<TReceiveFunc>(&TThis::StateResolveCdcStream);
+    }
+
+    bool IsResolvingTopic() const {
+        return CurrentStateFunc() == static_cast<TReceiveFunc>(&TThis::StateResolveTopic);
+    }
+
+    bool IsResolving() const {
+        return IsResolvingCdcStream()
+            || IsResolvingTopic();
+    }
+
+    TStringBuf CurrentStateName() const {
+        if (IsResolvingCdcStream()) {
+            return "ResolveCdcStream";
+        } else if (IsResolvingTopic()) {
+            return "ResolveTopic";
+        } else {
+            return "";
+        }
+    }
+
+    void Retry() {
+        Schedule(TDuration::Seconds(1), new TEvents::TEvWakeup());
+    }
+
+    void LogCritAndRetry(const TString& error) {
+        LOG_C(error);
+        Retry();
+    }
+
+    void LogWarnAndRetry(const TString& error) {
+        LOG_W(error);
+        Retry();
+    }
+
+    template <typename CheckFunc, typename FailFunc, typename T, typename... Args>
+    bool Check(CheckFunc checkFunc, FailFunc failFunc, const T& subject, Args&&... args) {
+        return checkFunc(CurrentStateName(), subject, std::forward<Args>(args)..., std::bind(failFunc, this, std::placeholders::_1));
+    }
+
+    bool CheckNotEmpty(const TAutoPtr<TNavigate>& result) {
+        return Check(&TSchemeCacheHelpers::CheckNotEmpty<TNavigate>, &TThis::LogCritAndRetry, result);
+    }
+
+    bool CheckEntriesCount(const TAutoPtr<TNavigate>& result, ui32 expected) {
+        return Check(&TSchemeCacheHelpers::CheckEntriesCount<TNavigate>, &TThis::LogCritAndRetry, result, expected);
+    }
+
+    bool CheckTableId(const TNavigate::TEntry& entry, const TTableId& expected) {
+        return Check(&TSchemeCacheHelpers::CheckTableId<TNavigate::TEntry>, &TThis::LogCritAndRetry, entry, expected);
+    }
+
+    bool CheckEntrySucceeded(const TNavigate::TEntry& entry) {
+        return Check(&TSchemeCacheHelpers::CheckEntrySucceeded<TNavigate::TEntry>, &TThis::LogWarnAndRetry, entry);
+    }
+
+    bool CheckEntryKind(const TNavigate::TEntry& entry, TNavigate::EKind expected) {
+        return Check(&TSchemeCacheHelpers::CheckEntryKind<TNavigate::TEntry>, &TThis::LogWarnAndRetry, entry, expected);
+    }
+
+    bool CheckNotEmpty(const TIntrusiveConstPtr<TNavigate::TPQGroupInfo>& pqInfo) {
+        if (pqInfo) {
+            return true;
+        }
+
+        LogCritAndRetry(TStringBuilder() << "Empty pq info at '" << CurrentStateName() << "'");
+        return false;
+    }
+
+    /// ResolveCdcStream
+
+    void ResolveCdcStream() {
+        auto request = MakeHolder<TNavigate>();
+        request->ResultSet.emplace_back(MakeNavigateEntry(PathId, TNavigate::OpList));
+
+        Send(MakeSchemeCacheID(), new TEvNavigate(request.Release()));
+        Become(&TThis::StateResolveCdcStream);
+    }
+
+    STATEFN(StateResolveCdcStream) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvTxProxySchemeCache::TEvNavigateKeySetResult, HandleCdcStream);
+            sFunc(TEvents::TEvWakeup, ResolveCdcStream);
+        default:
+            return StateBase(ev, TlsActivationContext->AsActorContext());
+        }
+    }
+
+    void HandleCdcStream(TEvTxProxySchemeCache::TEvNavigateKeySetResult::TPtr& ev) {
+        const auto& result = ev->Get()->Request;
+
+        LOG_D("Handle TEvTxProxySchemeCache::TEvNavigateKeySetResult"
+            << ": result# " << (result ? result->ToString(*AppData()->TypeRegistry) : "nullptr"));
+
+        if (!CheckNotEmpty(result)) {
+            return;
+        }
+
+        if (!CheckEntriesCount(result, 1)) {
+            return;
+        }
+
+        const auto& entry = result->ResultSet.at(0);
+
+        if (!CheckTableId(entry, PathId)) {
+            return;
+        }
+
+        if (!CheckEntrySucceeded(entry)) {
+            return;
+        }
+
+        if (!CheckEntryKind(entry, TNavigate::KindCdcStream)) {
+            return;
+        }
+
+        Y_VERIFY(entry.ListNodeEntry->Children.size() == 1);
+        const auto& topic = entry.ListNodeEntry->Children.at(0);
+
+        Y_VERIFY(topic.Kind == TNavigate::KindTopic);
+        ResolveTopic(topic.PathId);
+    }
+
+    /// ResolveTopic
+
+    void ResolveTopic(const TPathId& pathId) {
+        auto request = MakeHolder<TNavigate>();
+        request->ResultSet.emplace_back(MakeNavigateEntry(pathId, TNavigate::OpTopic));
+
+        Send(MakeSchemeCacheID(), new TEvNavigate(request.Release()));
+        Become(&TThis::StateResolveTopic);
+    }
+
+    STATEFN(StateResolveTopic) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvTxProxySchemeCache::TEvNavigateKeySetResult, HandleTopic);
+            sFunc(TEvents::TEvWakeup, ResolveCdcStream);
+        default:
+            return StateBase(ev, TlsActivationContext->AsActorContext());
+        }
+    }
+
+    void HandleTopic(TEvTxProxySchemeCache::TEvNavigateKeySetResult::TPtr& ev) {
+        const auto& result = ev->Get()->Request;
+
+        LOG_D("Handle TEvTxProxySchemeCache::TEvNavigateKeySetResult"
+            << ": result# " << (result ? result->ToString(*AppData()->TypeRegistry) : "nullptr"));
+
+        if (!CheckNotEmpty(result)) {
+            return;
+        }
+
+        if (!CheckEntriesCount(result, 1)) {
+            return;
+        }
+
+        const auto& entry = result->ResultSet.at(0);
+
+        if (!CheckEntrySucceeded(entry)) {
+            return;
+        }
+
+        if (!CheckEntryKind(entry, TNavigate::KindTopic)) {
+            return;
+        }
+
+        if (!CheckNotEmpty(entry.PQGroupInfo)) {
+            return;
+        }
+
+        THashMap<ui32, TActorId> workers;
+
+        for (const auto& partition : entry.PQGroupInfo->Description.GetPartitions()) {
+            const auto partitionId = partition.GetPartitionId();
+            const auto tabletId = partition.GetTabletId();
+
+            auto it = Workers.find(partitionId);
+            if (it != Workers.end()) {
+                workers.emplace(partitionId, it->second);
+                Workers.erase(it);
+            } else {
+                const auto worker = Register(new TCdcPartitionWorker(SelfId(), partitionId, tabletId, SrcTabletId, DstTabletIds));
+                workers.emplace(partitionId, worker);
+                Pending.emplace(worker, partitionId);
+            }
+        }
+
+        for (const auto& [_, worker] : Workers) {
+            if (worker) {
+                Send(worker, new TEvents::TEvPoisonPill());
+                Pending.erase(worker);
+            }
+        }
+
+        if (Pending.empty()) {
+            return Ack();
+        }
+
+        Workers = std::move(workers);
+        Become(&TThis::StateWork);
+    }
+
+    STATEFN(StateWork) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvChangeExchange::TEvSplitAck, Handle);
+            hFunc(TEvents::TEvGone, Handle);
+        default:
+            return StateBase(ev, TlsActivationContext->AsActorContext());
+        }
+    }
+
+    void Handle(TEvChangeExchange::TEvSplitAck::TPtr& ev) {
+        LOG_D("Handle " << ev->Get()->ToString());
+
+        auto it = Pending.find(ev->Sender);
+        if (it == Pending.end()) {
+            LOG_W("Split ack from unknown worker"
+                << ": worker# " << ev->Sender);
+            return;
+        }
+
+        LOG_N("Split ack"
+            << ": worker# " << it->first
+            << ", partition# " << it->second);
+
+        Workers[it->second] = TActorId();
+        Pending.erase(it);
+
+        if (Pending.empty()) {
+            Ack();
+        }
+    }
+
+    void Handle(TEvents::TEvGone::TPtr& ev) {
+        LOG_D("Handle " << ev->Get()->ToString());
+
+        auto it = Pending.find(ev->Sender);
+        if (it == Pending.end()) {
+            LOG_W("Unknown worker has gone"
+                << ": worker# " << ev->Sender);
+            return;
+        }
+
+        LOG_I("Worker has gone"
+            << ": worker# " << it->first
+            << ", partition# " << it->second);
+
+        Workers.erase(it->second);
+        Pending.erase(it);
+
+        if (!IsResolving()) {
+            ResolveCdcStream();
+        }
+    }
+
+    void PassAway() override {
+        for (const auto& [_, worker] : Workers) {
+            if (worker) {
+                Send(worker, new TEvents::TEvPoisonPill());
+            }
+        }
+
+        TActorBootstrapped::PassAway();
+    }
+
+public:
+    static constexpr NKikimrServices::TActivity::EType ActorActivityType() {
+        return NKikimrServices::TActivity::CHANGE_EXCHANGE_SPLIT_ACTOR;
+    }
+
+    explicit TCdcWorker(const TActorId& parent, const TPathId& pathId,
+            ui64 srcTabletId, const TVector<ui64>& dstTabletIds)
+        : Parent(parent)
+        , PathId(pathId)
+        , SrcTabletId(srcTabletId)
+        , DstTabletIds(dstTabletIds)
+    {
+    }
+
+    void Bootstrap() {
+        ResolveCdcStream();
+    }
+
+    STATEFN(StateBase) {
+        switch (ev->GetTypeRewrite()) {
+            sFunc(TEvents::TEvPoison, PassAway);
+        }
+    }
+
+private:
+    const TActorId Parent;
+    const TPathId PathId;
+    const ui64 SrcTabletId;
+    const TVector<ui64> DstTabletIds;
+    mutable TMaybe<TString> LogPrefix;
+
+    THashMap<ui32, TActorId> Workers;
+    THashMap<TActorId, ui32> Pending;
+
+}; // TCdcWorker
+
+class TChangeExchageSplit: public TActorBootstrapped<TChangeExchageSplit> {
+    using EWorkerType = TEvChangeExchange::ESenderType;
+
+    struct TWorker {
+        EWorkerType Type;
+        TActorId ActorId;
+
+        explicit TWorker(EWorkerType type)
+            : Type(type)
+        {
+        }
+    };
+
+    TStringBuf GetLogPrefix() const {
+        if (!LogPrefix) {
+            LogPrefix = TStringBuilder()
+                << "[ChangeExchangeSplit]"
+                << "[" << DataShard.TabletId << "]"
+                << SelfId() /* contains brackets */;
+        }
+
+        return LogPrefix.GetRef();
+    }
+
+    TActorId RegisterWorker(const TPathId& pathId, EWorkerType type) const {
+        switch (type) {
+        case EWorkerType::CdcStream:
+            return Register(new TCdcWorker(SelfId(), pathId, DataShard.TabletId, DstDataShards));
+        case EWorkerType::AsyncIndex:
+            Y_FAIL("unreachable");
+        }
+    }
+
+    TActorId RegisterWorker(const TPathId& pathId, TWorker& worker) const {
+        Y_VERIFY_DEBUG(!worker.ActorId);
+        worker.ActorId = RegisterWorker(pathId, worker.Type);
+        return worker.ActorId;
+    }
+
+    void Ack() {
+        Send(DataShard.ActorId, new TEvChangeExchange::TEvSplitAck());
+        PassAway();
+    }
+
+    void Handle(TEvChangeExchange::TEvSplitAck::TPtr& ev) {
+        LOG_D("Handle " << ev->Get()->ToString());
+
+        auto it = Pending.find(ev->Sender);
+        if (it == Pending.end()) {
+            LOG_W("Split ack from unknown worker"
+                << ": worker# " << ev->Sender);
+            return;
+        }
+
+        LOG_N("Split ack"
+            << ": worker# " << ev->Sender);
+
+        Workers.at(it->second).ActorId = TActorId();
+        Pending.erase(it);
+
+        if (Pending.empty()) {
+            Ack();
+        }
+    }
+
+    void PassAway() override {
+        for (const auto& [_, worker] : Workers) {
+            if (worker.ActorId) {
+                Send(worker.ActorId, new TEvents::TEvPoisonPill());
+            }
+        }
+
+        TActorBootstrapped::PassAway();
+    }
+
+public:
+    static constexpr NKikimrServices::TActivity::EType ActorActivityType() {
+        return NKikimrServices::TActivity::CHANGE_EXCHANGE_SPLIT_ACTOR;
+    }
+
+    explicit TChangeExchageSplit(const TDataShard* self, const TVector<ui64>& dstDataShards)
+        : TActorBootstrapped()
+        , DataShard{self->TabletID(), self->Generation(), self->SelfId()}
+        , DstDataShards(dstDataShards)
+    {
+        for (const auto& [_, tableInfo] : self->GetUserTables()) {
+            for (const auto& [streamPathId, _] : tableInfo->CdcStreams) {
+                Workers.emplace(streamPathId, EWorkerType::CdcStream);
+            }
+        }
+    }
+
+    void Bootstrap() {
+        if (!Workers) {
+            return Ack();
+        }
+
+        for (auto& [pathId, worker] : Workers) {
+            Pending.emplace(RegisterWorker(pathId, worker), pathId);
+        }
+
+        Become(&TThis::StateWork);
+    }
+
+    STATEFN(StateWork) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvChangeExchange::TEvSplitAck, Handle);
+            sFunc(TEvents::TEvPoison, PassAway);
+        }
+    }
+
+private:
+    const TDataShardId DataShard;
+    const TVector<ui64> DstDataShards;
+    mutable TMaybe<TString> LogPrefix;
+
+    THashMap<TPathId, TWorker> Workers;
+    THashMap<TActorId, TPathId> Pending;
+
+}; // TChangeExchageSplit
+
+IActor* CreateChangeExchangeSplit(const TDataShard* self, const TVector<ui64>& dstDataShards) {
+    return new TChangeExchageSplit(self, dstDataShards);
+}
+
+} // NDataShard
+} // NKikimr
diff --git a/ydb/core/tx/datashard/change_record.cpp b/ydb/core/tx/datashard/change_record.cpp
index 655ea38ffb..661df31fb0 100644
--- a/ydb/core/tx/datashard/change_record.cpp
+++ b/ydb/core/tx/datashard/change_record.cpp
@@ -1,121 +1,121 @@
-#include "change_record.h" 
- 
+#include "change_record.h"
+
 #include <ydb/core/protos/change_exchange.pb.h>
- 
-#include <util/stream/str.h> 
- 
-namespace NKikimr { 
+
+#include <util/stream/str.h>
+
+namespace NKikimr {
 namespace NDataShard {
- 
-i64 TChangeRecord::GetSeqNo() const { 
-    Y_VERIFY(Order <= Max<i64>()); 
-    return static_cast<i64>(Order); 
-} 
- 
-TConstArrayRef<TCell> TChangeRecord::GetKey() const { 
-    if (Key) { 
-        return *Key; 
-    } 
- 
-    switch (Kind) { 
-        case EKind::AsyncIndex: 
-        case EKind::CdcDataChange: { 
-            NKikimrChangeExchange::TChangeRecord::TDataChange parsed; 
-            Y_VERIFY(parsed.ParseFromArray(Body.data(), Body.size())); 
- 
-            TSerializedCellVec key; 
-            Y_VERIFY(TSerializedCellVec::TryParse(parsed.GetKey().GetData(), key)); 
- 
-            Key.ConstructInPlace(key.GetCells()); 
-            break; 
-        } 
-    } 
- 
-    Y_VERIFY(Key); 
-    return *Key; 
-} 
- 
-void TChangeRecord::SerializeTo(NKikimrChangeExchange::TChangeRecord& record) const { 
-    record.SetOrder(Order); 
-    record.SetGroup(Group); 
-    record.SetStep(Step); 
-    record.SetTxId(TxId); 
-    record.SetPathOwnerId(PathId.OwnerId); 
-    record.SetLocalPathId(PathId.LocalPathId); 
- 
-    switch (Kind) { 
-        case EKind::AsyncIndex: { 
-            Y_VERIFY(record.MutableAsyncIndex()->ParseFromArray(Body.data(), Body.size())); 
-            break; 
-        } 
-        case EKind::CdcDataChange: { 
-            Y_VERIFY(record.MutableCdcDataChange()->ParseFromArray(Body.data(), Body.size())); 
-            break; 
-        } 
-    } 
-} 
- 
-TString TChangeRecord::ToString() const { 
-    TString result; 
-    TStringOutput out(result); 
-    Out(out); 
-    return result; 
-} 
- 
-void TChangeRecord::Out(IOutputStream& out) const { 
-    out << "{" 
-        << " Order: " << Order 
-        << " Group: " << Group 
-        << " Step: " << Step 
-        << " TxId: " << TxId 
-        << " PathId: " << PathId 
-        << " Kind: " << Kind 
-        << " Body: " << Body.size() << "b" 
-    << " }"; 
-} 
- 
-TChangeRecordBuilder::TChangeRecordBuilder(EKind kind) { 
-    Record.Kind = kind; 
-} 
- 
-TChangeRecordBuilder& TChangeRecordBuilder::WithOrder(ui64 order) { 
-    Record.Order = order; 
-    return *this; 
-} 
- 
-TChangeRecordBuilder& TChangeRecordBuilder::WithGroup(ui64 group) { 
-    Record.Group = group; 
-    return *this; 
-} 
- 
-TChangeRecordBuilder& TChangeRecordBuilder::WithStep(ui64 step) { 
-    Record.Step = step; 
-    return *this; 
-} 
- 
-TChangeRecordBuilder& TChangeRecordBuilder::WithTxId(ui64 txId) { 
-    Record.TxId = txId; 
-    return *this; 
-} 
- 
-TChangeRecordBuilder& TChangeRecordBuilder::WithPathId(const TPathId& pathId) { 
-    Record.PathId = pathId; 
-    return *this; 
-} 
- 
-TChangeRecordBuilder& TChangeRecordBuilder::WithBody(const TString& body) { 
-    Record.Body = body; 
-    return *this; 
-} 
- 
-TChangeRecordBuilder& TChangeRecordBuilder::WithBody(TString&& body) { 
-    Record.Body = std::move(body); 
-    return *this; 
-} 
- 
-TChangeRecord&& TChangeRecordBuilder::Build() { 
-    return std::move(Record); 
-} 
- 
+
+i64 TChangeRecord::GetSeqNo() const {
+    Y_VERIFY(Order <= Max<i64>());
+    return static_cast<i64>(Order);
+}
+
+TConstArrayRef<TCell> TChangeRecord::GetKey() const {
+    if (Key) {
+        return *Key;
+    }
+
+    switch (Kind) {
+        case EKind::AsyncIndex:
+        case EKind::CdcDataChange: {
+            NKikimrChangeExchange::TChangeRecord::TDataChange parsed;
+            Y_VERIFY(parsed.ParseFromArray(Body.data(), Body.size()));
+
+            TSerializedCellVec key;
+            Y_VERIFY(TSerializedCellVec::TryParse(parsed.GetKey().GetData(), key));
+
+            Key.ConstructInPlace(key.GetCells());
+            break;
+        }
+    }
+
+    Y_VERIFY(Key);
+    return *Key;
+}
+
+void TChangeRecord::SerializeTo(NKikimrChangeExchange::TChangeRecord& record) const {
+    record.SetOrder(Order);
+    record.SetGroup(Group);
+    record.SetStep(Step);
+    record.SetTxId(TxId);
+    record.SetPathOwnerId(PathId.OwnerId);
+    record.SetLocalPathId(PathId.LocalPathId);
+
+    switch (Kind) {
+        case EKind::AsyncIndex: {
+            Y_VERIFY(record.MutableAsyncIndex()->ParseFromArray(Body.data(), Body.size()));
+            break;
+        }
+        case EKind::CdcDataChange: {
+            Y_VERIFY(record.MutableCdcDataChange()->ParseFromArray(Body.data(), Body.size()));
+            break;
+        }
+    }
+}
+
+TString TChangeRecord::ToString() const {
+    TString result;
+    TStringOutput out(result);
+    Out(out);
+    return result;
+}
+
+void TChangeRecord::Out(IOutputStream& out) const {
+    out << "{"
+        << " Order: " << Order
+        << " Group: " << Group
+        << " Step: " << Step
+        << " TxId: " << TxId
+        << " PathId: " << PathId
+        << " Kind: " << Kind
+        << " Body: " << Body.size() << "b"
+    << " }";
+}
+
+TChangeRecordBuilder::TChangeRecordBuilder(EKind kind) {
+    Record.Kind = kind;
+}
+
+TChangeRecordBuilder& TChangeRecordBuilder::WithOrder(ui64 order) {
+    Record.Order = order;
+    return *this;
+}
+
+TChangeRecordBuilder& TChangeRecordBuilder::WithGroup(ui64 group) {
+    Record.Group = group;
+    return *this;
+}
+
+TChangeRecordBuilder& TChangeRecordBuilder::WithStep(ui64 step) {
+    Record.Step = step;
+    return *this;
+}
+
+TChangeRecordBuilder& TChangeRecordBuilder::WithTxId(ui64 txId) {
+    Record.TxId = txId;
+    return *this;
+}
+
+TChangeRecordBuilder& TChangeRecordBuilder::WithPathId(const TPathId& pathId) {
+    Record.PathId = pathId;
+    return *this;
+}
+
+TChangeRecordBuilder& TChangeRecordBuilder::WithBody(const TString& body) {
+    Record.Body = body;
+    return *this;
+}
+
+TChangeRecordBuilder& TChangeRecordBuilder::WithBody(TString&& body) {
+    Record.Body = std::move(body);
+    return *this;
+}
+
+TChangeRecord&& TChangeRecordBuilder::Build() {
+    return std::move(Record);
+}
+
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/change_record.h b/ydb/core/tx/datashard/change_record.h
index e51d6390a3..7c88bb8b66 100644
--- a/ydb/core/tx/datashard/change_record.h
+++ b/ydb/core/tx/datashard/change_record.h
@@ -1,83 +1,83 @@
-#pragma once 
- 
+#pragma once
+
 #include <ydb/core/base/pathid.h>
 #include <ydb/core/scheme/scheme_tablecell.h>
- 
-#include <util/generic/maybe.h> 
-#include <util/generic/string.h> 
- 
-namespace NKikimrChangeExchange { 
-    class TChangeRecord; 
-} 
- 
-namespace NKikimr { 
+
+#include <util/generic/maybe.h>
+#include <util/generic/string.h>
+
+namespace NKikimrChangeExchange {
+    class TChangeRecord;
+}
+
+namespace NKikimr {
 namespace NDataShard {
- 
-class TChangeRecordBuilder; 
- 
-class TChangeRecord { 
-    friend class TChangeRecordBuilder; 
- 
-public: 
-    enum class EKind: ui8 { 
-        AsyncIndex, 
-        CdcDataChange, 
-    }; 
- 
-public: 
-    ui64 GetOrder() const { return Order; } 
-    ui64 GetGroup() const { return Group; } 
-    ui64 GetStep() const { return Step; } 
-    ui64 GetTxId() const { return TxId; } 
-    const TPathId& GetPathId() const { return PathId; } 
-    EKind GetKind() const { return Kind; } 
-    const TString& GetBody() const { return Body; } 
-    i64 GetSeqNo() const; 
-    TConstArrayRef<TCell> GetKey() const; 
- 
-    void SerializeTo(NKikimrChangeExchange::TChangeRecord& record) const; 
- 
-    TString ToString() const; 
-    void Out(IOutputStream& out) const; 
- 
-private: 
-    ui64 Order; 
-    ui64 Group; 
-    ui64 Step; 
-    ui64 TxId; 
-    TPathId PathId; 
-    EKind Kind; 
-    TString Body; 
- 
-    mutable TMaybe<TOwnedCellVec> Key; 
- 
-}; // TChangeRecord 
- 
-class TChangeRecordBuilder { 
-    using EKind = TChangeRecord::EKind; 
- 
-public: 
-    explicit TChangeRecordBuilder(EKind kind); 
- 
-    TChangeRecordBuilder& WithOrder(ui64 order); 
-    TChangeRecordBuilder& WithGroup(ui64 group); 
-    TChangeRecordBuilder& WithStep(ui64 step); 
-    TChangeRecordBuilder& WithTxId(ui64 txId); 
-    TChangeRecordBuilder& WithPathId(const TPathId& pathId); 
- 
-    TChangeRecordBuilder& WithBody(const TString& body); 
-    TChangeRecordBuilder& WithBody(TString&& body); 
- 
-    TChangeRecord&& Build(); 
- 
-private: 
-    TChangeRecord Record; 
- 
-}; // TChangeRecordBuilder 
- 
+
+class TChangeRecordBuilder;
+
+class TChangeRecord {
+    friend class TChangeRecordBuilder;
+
+public:
+    enum class EKind: ui8 {
+        AsyncIndex,
+        CdcDataChange,
+    };
+
+public:
+    ui64 GetOrder() const { return Order; }
+    ui64 GetGroup() const { return Group; }
+    ui64 GetStep() const { return Step; }
+    ui64 GetTxId() const { return TxId; }
+    const TPathId& GetPathId() const { return PathId; }
+    EKind GetKind() const { return Kind; }
+    const TString& GetBody() const { return Body; }
+    i64 GetSeqNo() const;
+    TConstArrayRef<TCell> GetKey() const;
+
+    void SerializeTo(NKikimrChangeExchange::TChangeRecord& record) const;
+
+    TString ToString() const;
+    void Out(IOutputStream& out) const;
+
+private:
+    ui64 Order;
+    ui64 Group;
+    ui64 Step;
+    ui64 TxId;
+    TPathId PathId;
+    EKind Kind;
+    TString Body;
+
+    mutable TMaybe<TOwnedCellVec> Key;
+
+}; // TChangeRecord
+
+class TChangeRecordBuilder {
+    using EKind = TChangeRecord::EKind;
+
+public:
+    explicit TChangeRecordBuilder(EKind kind);
+
+    TChangeRecordBuilder& WithOrder(ui64 order);
+    TChangeRecordBuilder& WithGroup(ui64 group);
+    TChangeRecordBuilder& WithStep(ui64 step);
+    TChangeRecordBuilder& WithTxId(ui64 txId);
+    TChangeRecordBuilder& WithPathId(const TPathId& pathId);
+
+    TChangeRecordBuilder& WithBody(const TString& body);
+    TChangeRecordBuilder& WithBody(TString&& body);
+
+    TChangeRecord&& Build();
+
+private:
+    TChangeRecord Record;
+
+}; // TChangeRecordBuilder
+
 } // NDataShard
-} // NKikimr 
- 
+} // NKikimr
+
 Y_DECLARE_OUT_SPEC(inline, NKikimr::NDataShard::TChangeRecord, out, value) {
-    return value.Out(out); 
-} 
+    return value.Out(out);
+}
diff --git a/ydb/core/tx/datashard/change_sender.cpp b/ydb/core/tx/datashard/change_sender.cpp
index 3300b3035e..1b7ab294c0 100644
--- a/ydb/core/tx/datashard/change_sender.cpp
+++ b/ydb/core/tx/datashard/change_sender.cpp
@@ -1,235 +1,235 @@
-#include "change_exchange.h" 
-#include "change_exchange_impl.h" 
-#include "datashard_impl.h" 
- 
+#include "change_exchange.h"
+#include "change_exchange_impl.h"
+#include "datashard_impl.h"
+
 #include <ydb/core/protos/services.pb.h>
- 
-#include <library/cpp/actors/core/actor.h> 
-#include <library/cpp/actors/core/hfunc.h> 
-#include <library/cpp/actors/core/log.h> 
- 
-#include <util/generic/hash.h> 
-#include <util/generic/maybe.h> 
- 
-namespace NKikimr { 
+
+#include <library/cpp/actors/core/actor.h>
+#include <library/cpp/actors/core/hfunc.h>
+#include <library/cpp/actors/core/log.h>
+
+#include <util/generic/hash.h>
+#include <util/generic/maybe.h>
+
+namespace NKikimr {
 namespace NDataShard {
- 
-class TChangeSender: public TActor<TChangeSender> { 
-    using ESenderType = TEvChangeExchange::ESenderType; 
-    using TEnqueuedRecord = TEvChangeExchange::TEvEnqueueRecords::TRecordInfo; 
- 
-    struct TSender { 
-        TTableId UserTableId; 
-        ESenderType Type; 
-        TActorId ActorId; 
-    }; 
- 
-    bool IsActive() const { 
-        return CurrentStateFunc() == static_cast<TReceiveFunc>(&TThis::StateActive); 
-    } 
- 
-    TStringBuf GetLogPrefix() const { 
-        if (!LogPrefix) { 
-            LogPrefix = TStringBuilder() 
-                << "[ChangeSender]" 
-                << "[" << DataShard.TabletId << ":" << DataShard.Generation << "]" 
-                << SelfId() /* contains brackets */ 
-                << (IsActive() ? "" : "[Inactive]") << " "; 
-        } 
- 
-        return LogPrefix.GetRef(); 
-    } 
- 
-    TSender& AddChangeSender(const TPathId& pathId, const TTableId& userTableId, ESenderType type) { 
-        Y_VERIFY_DEBUG(!Senders.contains(pathId)); 
- 
-        auto& sender = Senders[pathId]; 
-        sender.UserTableId = userTableId; 
-        sender.Type = type; 
- 
-        return sender; 
-    } 
- 
-    TActorId RegisterChangeSender(const TPathId& pathId, const TTableId& userTableId, ESenderType type) const { 
-        switch (type) { 
-        case ESenderType::AsyncIndex: 
-            return Register(CreateAsyncIndexChangeSender(DataShard, userTableId, pathId)); 
-        case ESenderType::CdcStream: 
-            return Register(CreateCdcStreamChangeSender(DataShard, pathId)); 
-        } 
-    } 
- 
-    void RegisterChangeSender(const TPathId& pathId, TSender& sender) const { 
-        Y_VERIFY_DEBUG(!sender.ActorId); 
-        sender.ActorId = RegisterChangeSender(pathId, sender.UserTableId, sender.Type); 
-    } 
- 
-    void Handle(TEvChangeExchange::TEvEnqueueRecords::TPtr& ev) { 
-        LOG_D("Handle " << ev->Get()->ToString()); 
-        auto& records = ev->Get()->Records; 
- 
-        if (!IsActive()) { 
-            std::move(records.begin(), records.end(), std::back_inserter(Enqueued)); 
-            return; 
-        } 
- 
-        THashMap<TActorId, TVector<TEnqueuedRecord>> forward; 
-        TVector<ui64> remove; 
- 
-        for (auto& record : records) { 
-            auto it = Senders.find(record.PathId); 
-            if (it != Senders.end()) { 
-                forward[it->second.ActorId].push_back(std::move(record)); 
-            } else { 
-                remove.push_back(record.Order); 
-            } 
-        } 
- 
-        for (auto& [to, records] : forward) { 
-            Send(to, new TEvChangeExchange::TEvEnqueueRecords(std::move(records))); 
-        } 
- 
-        if (remove) { 
-            Send(DataShard.ActorId, new TEvChangeExchange::TEvRemoveRecords(std::move(remove))); 
-        } 
-    } 
- 
-    void Handle(TEvChangeExchange::TEvAddSender::TPtr& ev) { 
-        LOG_D("Handle " << ev->Get()->ToString()); 
- 
-        const auto& msg = *ev->Get(); 
- 
-        auto it = Senders.find(msg.PathId); 
-        if (it != Senders.end()) { 
-            Y_VERIFY(it->second.UserTableId == msg.UserTableId); 
-            Y_VERIFY(it->second.Type == msg.Type); 
-            LOG_W("Trying to add duplicate sender" 
-                << ": userTableId# " << msg.UserTableId 
-                << ", type# " << msg.Type 
-                << ", pathId# " << msg.PathId); 
-            return; 
-        } 
- 
-        LOG_N("Add sender" 
-            << ": userTableId# " << msg.UserTableId 
-            << ", type# " << msg.Type 
-            << ", pathId# " << msg.PathId); 
- 
-        auto& sender = AddChangeSender(msg.PathId, msg.UserTableId, msg.Type); 
-        if (IsActive()) { 
-            RegisterChangeSender(msg.PathId, sender); 
-        } 
-    } 
- 
-    void Handle(TEvChangeExchange::TEvRemoveSender::TPtr& ev) { 
-        LOG_D("Handle " << ev->Get()->ToString()); 
-        const auto& pathId = ev->Get()->PathId; 
- 
-        auto it = Senders.find(pathId); 
-        if (it == Senders.end()) { 
-            LOG_W("Trying to remove unknown sender" 
-                << ": pathId# " << pathId); 
-            return; 
-        } 
- 
-        LOG_N("Remove sender" 
-            << ": type# " << it->second.Type 
-            << ", pathId# " << it->first); 
- 
-        if (const auto& actorId = it->second.ActorId) { 
-            Send(actorId, new TEvChangeExchange::TEvRemoveSender(pathId)); 
-        } 
- 
-        Senders.erase(it); 
-    } 
- 
-    void Handle(TEvChangeExchange::TEvActivateSender::TPtr& ev) { 
-        LOG_D("Handle " << ev->Get()->ToString()); 
- 
-        Become(&TThis::StateActive); 
-        LogPrefix.Clear(); 
- 
-        for (auto& [pathId, sender] : Senders) { 
-            RegisterChangeSender(pathId, sender); 
-        } 
- 
-        if (Enqueued) { 
-            Send(SelfId(), new TEvChangeExchange::TEvEnqueueRecords(std::move(Enqueued))); 
-        } 
-    } 
- 
-    void PassAway() override { 
-        for (const auto& [_, sender] : Senders) { 
-            if (!sender.ActorId) { 
-                continue; 
-            } 
- 
-            Send(sender.ActorId, new TEvents::TEvPoisonPill()); 
-        } 
- 
-        TActor::PassAway(); 
-    } 
- 
-public: 
-    static constexpr NKikimrServices::TActivity::EType ActorActivityType() { 
-        return NKikimrServices::TActivity::CHANGE_SENDER_ACTOR; 
-    } 
- 
+
+class TChangeSender: public TActor<TChangeSender> {
+    using ESenderType = TEvChangeExchange::ESenderType;
+    using TEnqueuedRecord = TEvChangeExchange::TEvEnqueueRecords::TRecordInfo;
+
+    struct TSender {
+        TTableId UserTableId;
+        ESenderType Type;
+        TActorId ActorId;
+    };
+
+    bool IsActive() const {
+        return CurrentStateFunc() == static_cast<TReceiveFunc>(&TThis::StateActive);
+    }
+
+    TStringBuf GetLogPrefix() const {
+        if (!LogPrefix) {
+            LogPrefix = TStringBuilder()
+                << "[ChangeSender]"
+                << "[" << DataShard.TabletId << ":" << DataShard.Generation << "]"
+                << SelfId() /* contains brackets */
+                << (IsActive() ? "" : "[Inactive]") << " ";
+        }
+
+        return LogPrefix.GetRef();
+    }
+
+    TSender& AddChangeSender(const TPathId& pathId, const TTableId& userTableId, ESenderType type) {
+        Y_VERIFY_DEBUG(!Senders.contains(pathId));
+
+        auto& sender = Senders[pathId];
+        sender.UserTableId = userTableId;
+        sender.Type = type;
+
+        return sender;
+    }
+
+    TActorId RegisterChangeSender(const TPathId& pathId, const TTableId& userTableId, ESenderType type) const {
+        switch (type) {
+        case ESenderType::AsyncIndex:
+            return Register(CreateAsyncIndexChangeSender(DataShard, userTableId, pathId));
+        case ESenderType::CdcStream:
+            return Register(CreateCdcStreamChangeSender(DataShard, pathId));
+        }
+    }
+
+    void RegisterChangeSender(const TPathId& pathId, TSender& sender) const {
+        Y_VERIFY_DEBUG(!sender.ActorId);
+        sender.ActorId = RegisterChangeSender(pathId, sender.UserTableId, sender.Type);
+    }
+
+    void Handle(TEvChangeExchange::TEvEnqueueRecords::TPtr& ev) {
+        LOG_D("Handle " << ev->Get()->ToString());
+        auto& records = ev->Get()->Records;
+
+        if (!IsActive()) {
+            std::move(records.begin(), records.end(), std::back_inserter(Enqueued));
+            return;
+        }
+
+        THashMap<TActorId, TVector<TEnqueuedRecord>> forward;
+        TVector<ui64> remove;
+
+        for (auto& record : records) {
+            auto it = Senders.find(record.PathId);
+            if (it != Senders.end()) {
+                forward[it->second.ActorId].push_back(std::move(record));
+            } else {
+                remove.push_back(record.Order);
+            }
+        }
+
+        for (auto& [to, records] : forward) {
+            Send(to, new TEvChangeExchange::TEvEnqueueRecords(std::move(records)));
+        }
+
+        if (remove) {
+            Send(DataShard.ActorId, new TEvChangeExchange::TEvRemoveRecords(std::move(remove)));
+        }
+    }
+
+    void Handle(TEvChangeExchange::TEvAddSender::TPtr& ev) {
+        LOG_D("Handle " << ev->Get()->ToString());
+
+        const auto& msg = *ev->Get();
+
+        auto it = Senders.find(msg.PathId);
+        if (it != Senders.end()) {
+            Y_VERIFY(it->second.UserTableId == msg.UserTableId);
+            Y_VERIFY(it->second.Type == msg.Type);
+            LOG_W("Trying to add duplicate sender"
+                << ": userTableId# " << msg.UserTableId
+                << ", type# " << msg.Type
+                << ", pathId# " << msg.PathId);
+            return;
+        }
+
+        LOG_N("Add sender"
+            << ": userTableId# " << msg.UserTableId
+            << ", type# " << msg.Type
+            << ", pathId# " << msg.PathId);
+
+        auto& sender = AddChangeSender(msg.PathId, msg.UserTableId, msg.Type);
+        if (IsActive()) {
+            RegisterChangeSender(msg.PathId, sender);
+        }
+    }
+
+    void Handle(TEvChangeExchange::TEvRemoveSender::TPtr& ev) {
+        LOG_D("Handle " << ev->Get()->ToString());
+        const auto& pathId = ev->Get()->PathId;
+
+        auto it = Senders.find(pathId);
+        if (it == Senders.end()) {
+            LOG_W("Trying to remove unknown sender"
+                << ": pathId# " << pathId);
+            return;
+        }
+
+        LOG_N("Remove sender"
+            << ": type# " << it->second.Type
+            << ", pathId# " << it->first);
+
+        if (const auto& actorId = it->second.ActorId) {
+            Send(actorId, new TEvChangeExchange::TEvRemoveSender(pathId));
+        }
+
+        Senders.erase(it);
+    }
+
+    void Handle(TEvChangeExchange::TEvActivateSender::TPtr& ev) {
+        LOG_D("Handle " << ev->Get()->ToString());
+
+        Become(&TThis::StateActive);
+        LogPrefix.Clear();
+
+        for (auto& [pathId, sender] : Senders) {
+            RegisterChangeSender(pathId, sender);
+        }
+
+        if (Enqueued) {
+            Send(SelfId(), new TEvChangeExchange::TEvEnqueueRecords(std::move(Enqueued)));
+        }
+    }
+
+    void PassAway() override {
+        for (const auto& [_, sender] : Senders) {
+            if (!sender.ActorId) {
+                continue;
+            }
+
+            Send(sender.ActorId, new TEvents::TEvPoisonPill());
+        }
+
+        TActor::PassAway();
+    }
+
+public:
+    static constexpr NKikimrServices::TActivity::EType ActorActivityType() {
+        return NKikimrServices::TActivity::CHANGE_SENDER_ACTOR;
+    }
+
     explicit TChangeSender(const TDataShard* self)
-        : TActor(&TThis::StateInactive) 
-        , DataShard{self->TabletID(), self->Generation(), self->SelfId()} 
-    { 
-        for (const auto& [tableId, tableInfo] : self->GetUserTables()) { 
-            const auto fullTableId = TTableId(self->GetPathOwnerId(), tableId); 
- 
-            for (const auto& [indexPathId, indexInfo] : tableInfo->Indexes) { 
-                if (indexInfo.Type != TUserTable::TTableIndex::EIndexType::EIndexTypeGlobalAsync) { 
-                    continue; 
-                } 
- 
-                AddChangeSender(indexPathId, fullTableId, ESenderType::AsyncIndex); 
-            } 
- 
-            for (const auto& [streamPathId, _] : tableInfo->CdcStreams) { 
-                AddChangeSender(streamPathId, fullTableId, ESenderType::CdcStream); 
-            } 
-        } 
-    } 
- 
-    STATEFN(StateBase) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvChangeExchange::TEvEnqueueRecords, Handle); 
-            hFunc(TEvChangeExchange::TEvAddSender, Handle); 
-            hFunc(TEvChangeExchange::TEvRemoveSender, Handle); 
- 
-            cFunc(TEvents::TEvPoison::EventType, PassAway); 
-        } 
-    } 
- 
-    STATEFN(StateInactive) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvChangeExchange::TEvActivateSender, Handle); 
-        default: 
-            return StateBase(ev, TlsActivationContext->AsActorContext()); 
-        } 
-    } 
- 
-    STATEFN(StateActive) { 
-        return StateBase(ev, TlsActivationContext->AsActorContext()); 
-    } 
- 
-private: 
-    const TDataShardId DataShard; 
-    mutable TMaybe<TString> LogPrefix; 
- 
-    THashMap<TPathId, TSender> Senders; 
-    TVector<TEnqueuedRecord> Enqueued; // Enqueued while inactive 
- 
-}; // TChangeSender 
- 
+        : TActor(&TThis::StateInactive)
+        , DataShard{self->TabletID(), self->Generation(), self->SelfId()}
+    {
+        for (const auto& [tableId, tableInfo] : self->GetUserTables()) {
+            const auto fullTableId = TTableId(self->GetPathOwnerId(), tableId);
+
+            for (const auto& [indexPathId, indexInfo] : tableInfo->Indexes) {
+                if (indexInfo.Type != TUserTable::TTableIndex::EIndexType::EIndexTypeGlobalAsync) {
+                    continue;
+                }
+
+                AddChangeSender(indexPathId, fullTableId, ESenderType::AsyncIndex);
+            }
+
+            for (const auto& [streamPathId, _] : tableInfo->CdcStreams) {
+                AddChangeSender(streamPathId, fullTableId, ESenderType::CdcStream);
+            }
+        }
+    }
+
+    STATEFN(StateBase) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvChangeExchange::TEvEnqueueRecords, Handle);
+            hFunc(TEvChangeExchange::TEvAddSender, Handle);
+            hFunc(TEvChangeExchange::TEvRemoveSender, Handle);
+
+            cFunc(TEvents::TEvPoison::EventType, PassAway);
+        }
+    }
+
+    STATEFN(StateInactive) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvChangeExchange::TEvActivateSender, Handle);
+        default:
+            return StateBase(ev, TlsActivationContext->AsActorContext());
+        }
+    }
+
+    STATEFN(StateActive) {
+        return StateBase(ev, TlsActivationContext->AsActorContext());
+    }
+
+private:
+    const TDataShardId DataShard;
+    mutable TMaybe<TString> LogPrefix;
+
+    THashMap<TPathId, TSender> Senders;
+    TVector<TEnqueuedRecord> Enqueued; // Enqueued while inactive
+
+}; // TChangeSender
+
 IActor* CreateChangeSender(const TDataShard* self) {
-    return new TChangeSender(self); 
-} 
- 
+    return new TChangeSender(self);
+}
+
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/change_sender_async_index.cpp b/ydb/core/tx/datashard/change_sender_async_index.cpp
index 1bfab705a1..1bc6796dbf 100644
--- a/ydb/core/tx/datashard/change_sender_async_index.cpp
+++ b/ydb/core/tx/datashard/change_sender_async_index.cpp
@@ -1,727 +1,727 @@
-#include "change_exchange.h" 
-#include "change_exchange_impl.h" 
-#include "change_sender_common_ops.h" 
- 
+#include "change_exchange.h"
+#include "change_exchange_impl.h"
+#include "change_sender_common_ops.h"
+
 #include <ydb/core/base/tablet_pipecache.h>
 #include <ydb/core/protos/services.pb.h>
 #include <ydb/core/tablet_flat/flat_row_eggs.h>
 #include <ydb/core/tx/tx_proxy/proxy.h>
- 
-#include <library/cpp/actors/core/actor_bootstrapped.h> 
-#include <library/cpp/actors/core/hfunc.h> 
-#include <library/cpp/actors/core/log.h> 
- 
+
+#include <library/cpp/actors/core/actor_bootstrapped.h>
+#include <library/cpp/actors/core/hfunc.h>
+#include <library/cpp/actors/core/log.h>
+
 #include <ydb/library/yql/public/udf/udf_data_type.h>
- 
-#include <util/generic/maybe.h> 
- 
-namespace NKikimr { 
+
+#include <util/generic/maybe.h>
+
+namespace NKikimr {
 namespace NDataShard {
- 
-using namespace NTable; 
- 
-class TAsyncIndexChangeSenderShard: public TActorBootstrapped<TAsyncIndexChangeSenderShard> { 
-    TStringBuf GetLogPrefix() const { 
-        if (!LogPrefix) { 
-            LogPrefix = TStringBuilder() 
-                << "[AsyncIndexChangeSenderShard]" 
-                << "[" << DataShard.TabletId << ":" << DataShard.Generation << "]" 
-                << "[" << ShardId << "]" 
-                << SelfId() /* contains brackets */ << " "; 
-        } 
- 
-        return LogPrefix.GetRef(); 
-    } 
- 
-    /// GetProxyServices 
- 
-    void GetProxyServices() { 
-        Send(MakeTxProxyID(), new TEvTxUserProxy::TEvGetProxyServicesRequest); 
-        Become(&TThis::StateGetProxyServices); 
-    } 
- 
-    STATEFN(StateGetProxyServices) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvTxUserProxy::TEvGetProxyServicesResponse, Handle); 
-        default: 
-            return StateBase(ev, TlsActivationContext->AsActorContext()); 
-        } 
-    } 
- 
-    void Handle(TEvTxUserProxy::TEvGetProxyServicesResponse::TPtr& ev) { 
-        LOG_D("Handle " << ev->Get()->ToString()); 
- 
+
+using namespace NTable;
+
+class TAsyncIndexChangeSenderShard: public TActorBootstrapped<TAsyncIndexChangeSenderShard> {
+    TStringBuf GetLogPrefix() const {
+        if (!LogPrefix) {
+            LogPrefix = TStringBuilder()
+                << "[AsyncIndexChangeSenderShard]"
+                << "[" << DataShard.TabletId << ":" << DataShard.Generation << "]"
+                << "[" << ShardId << "]"
+                << SelfId() /* contains brackets */ << " ";
+        }
+
+        return LogPrefix.GetRef();
+    }
+
+    /// GetProxyServices
+
+    void GetProxyServices() {
+        Send(MakeTxProxyID(), new TEvTxUserProxy::TEvGetProxyServicesRequest);
+        Become(&TThis::StateGetProxyServices);
+    }
+
+    STATEFN(StateGetProxyServices) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvTxUserProxy::TEvGetProxyServicesResponse, Handle);
+        default:
+            return StateBase(ev, TlsActivationContext->AsActorContext());
+        }
+    }
+
+    void Handle(TEvTxUserProxy::TEvGetProxyServicesResponse::TPtr& ev) {
+        LOG_D("Handle " << ev->Get()->ToString());
+
         LeaderPipeCache = ev->Get()->Services.LeaderPipeCache;
-        Handshake(); 
-    } 
- 
-    /// Handshake 
- 
-    void Handshake() { 
-        auto ev = MakeHolder<TEvChangeExchange::TEvHandshake>(); 
-        ev->Record.SetOrigin(DataShard.TabletId); 
-        ev->Record.SetGeneration(DataShard.Generation); 
- 
+        Handshake();
+    }
+
+    /// Handshake
+
+    void Handshake() {
+        auto ev = MakeHolder<TEvChangeExchange::TEvHandshake>();
+        ev->Record.SetOrigin(DataShard.TabletId);
+        ev->Record.SetGeneration(DataShard.Generation);
+
         Send(LeaderPipeCache, new TEvPipeCache::TEvForward(ev.Release(), ShardId, true));
-        Become(&TThis::StateHandshake); 
-    } 
- 
-    STATEFN(StateHandshake) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvChangeExchange::TEvStatus, Handshake); 
-        default: 
-            return StateBase(ev, TlsActivationContext->AsActorContext()); 
-        } 
-    } 
- 
-    void Handshake(TEvChangeExchange::TEvStatus::TPtr& ev) { 
-        LOG_D("Handshake " << ev->Get()->ToString()); 
- 
-        const auto& record = ev->Get()->Record; 
-        switch (record.GetStatus()) { 
-        case NKikimrChangeExchange::TEvStatus::STATUS_OK: 
-            LastRecordOrder = record.GetLastRecordOrder(); 
-            return Ready(); 
-        default: 
-            LOG_E("Handshake status" 
-                << ": status# " << static_cast<ui32>(record.GetStatus()) 
-                << ", reason# " << static_cast<ui32>(record.GetReason())); 
-            return Leave(); 
-        } 
-    } 
- 
-    void Ready() { 
-        Send(Parent, new TEvChangeExchangePrivate::TEvReady(ShardId)); 
-        Become(&TThis::StateWaitingRecords); 
-    } 
- 
-    /// WaitingRecords 
- 
-    STATEFN(StateWaitingRecords) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvChangeExchange::TEvRecords, Handle); 
-        default: 
-            return StateBase(ev, TlsActivationContext->AsActorContext()); 
-        } 
-    } 
- 
-    void Handle(TEvChangeExchange::TEvRecords::TPtr& ev) { 
-        LOG_D("Handle " << ev->Get()->ToString()); 
- 
-        auto records = MakeHolder<TEvChangeExchange::TEvApplyRecords>(); 
-        records->Record.SetOrigin(DataShard.TabletId); 
-        records->Record.SetGeneration(DataShard.Generation); 
- 
-        for (const auto& record : ev->Get()->Records) { 
-            if (record.GetOrder() <= LastRecordOrder) { 
-                continue; 
-            } 
- 
-            auto& proto = *records->Record.AddRecords(); 
-            record.SerializeTo(proto); 
-            Adjust(proto); 
-        } 
- 
-        if (!records->Record.RecordsSize()) { 
-            return Ready(); 
-        } 
- 
+        Become(&TThis::StateHandshake);
+    }
+
+    STATEFN(StateHandshake) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvChangeExchange::TEvStatus, Handshake);
+        default:
+            return StateBase(ev, TlsActivationContext->AsActorContext());
+        }
+    }
+
+    void Handshake(TEvChangeExchange::TEvStatus::TPtr& ev) {
+        LOG_D("Handshake " << ev->Get()->ToString());
+
+        const auto& record = ev->Get()->Record;
+        switch (record.GetStatus()) {
+        case NKikimrChangeExchange::TEvStatus::STATUS_OK:
+            LastRecordOrder = record.GetLastRecordOrder();
+            return Ready();
+        default:
+            LOG_E("Handshake status"
+                << ": status# " << static_cast<ui32>(record.GetStatus())
+                << ", reason# " << static_cast<ui32>(record.GetReason()));
+            return Leave();
+        }
+    }
+
+    void Ready() {
+        Send(Parent, new TEvChangeExchangePrivate::TEvReady(ShardId));
+        Become(&TThis::StateWaitingRecords);
+    }
+
+    /// WaitingRecords
+
+    STATEFN(StateWaitingRecords) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvChangeExchange::TEvRecords, Handle);
+        default:
+            return StateBase(ev, TlsActivationContext->AsActorContext());
+        }
+    }
+
+    void Handle(TEvChangeExchange::TEvRecords::TPtr& ev) {
+        LOG_D("Handle " << ev->Get()->ToString());
+
+        auto records = MakeHolder<TEvChangeExchange::TEvApplyRecords>();
+        records->Record.SetOrigin(DataShard.TabletId);
+        records->Record.SetGeneration(DataShard.Generation);
+
+        for (const auto& record : ev->Get()->Records) {
+            if (record.GetOrder() <= LastRecordOrder) {
+                continue;
+            }
+
+            auto& proto = *records->Record.AddRecords();
+            record.SerializeTo(proto);
+            Adjust(proto);
+        }
+
+        if (!records->Record.RecordsSize()) {
+            return Ready();
+        }
+
         Send(LeaderPipeCache, new TEvPipeCache::TEvForward(records.Release(), ShardId, false));
-        Become(&TThis::StateWaitingStatus); 
-    } 
- 
-    void Adjust(NKikimrChangeExchange::TChangeRecord& record) const { 
-        record.SetPathOwnerId(IndexTablePathId.OwnerId); 
-        record.SetLocalPathId(IndexTablePathId.LocalPathId); 
- 
-        Y_VERIFY(record.HasAsyncIndex()); 
-        AdjustTags(*record.MutableAsyncIndex()); 
-    } 
- 
-    void AdjustTags(NKikimrChangeExchange::TChangeRecord::TDataChange& record) const { 
-        AdjustTags(*record.MutableKey()->MutableTags()); 
- 
-        switch (record.GetRowOperationCase()) { 
-        case NKikimrChangeExchange::TChangeRecord::TDataChange::kUpsert: 
-            AdjustTags(*record.MutableUpsert()->MutableTags()); 
-            break; 
-        case NKikimrChangeExchange::TChangeRecord::TDataChange::kReset: 
-            AdjustTags(*record.MutableReset()->MutableTags()); 
-            break; 
-        default: 
-            break; 
-        } 
-    } 
- 
-    void AdjustTags(google::protobuf::RepeatedField<ui32>& tags) const { 
-        for (int i = 0; i < tags.size(); ++i) { 
-            auto it = TagMap.find(tags[i]); 
-            Y_VERIFY(it != TagMap.end()); 
-            tags[i] = it->second; 
-        } 
-    } 
- 
-    /// WaitingStatus 
- 
-    STATEFN(StateWaitingStatus) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvChangeExchange::TEvStatus, Handle); 
-        default: 
-            return StateBase(ev, TlsActivationContext->AsActorContext()); 
-        } 
-    } 
- 
-    void Handle(TEvChangeExchange::TEvStatus::TPtr& ev) { 
-        LOG_D("Handle " << ev->Get()->ToString()); 
- 
-        const auto& record = ev->Get()->Record; 
-        switch (record.GetStatus()) { 
-        case NKikimrChangeExchange::TEvStatus::STATUS_OK: 
-            LastRecordOrder = record.GetLastRecordOrder(); 
-            return Ready(); 
-        // TODO: REJECT? 
-        default: 
-            LOG_E("Apply status" 
-                << ": status# " << static_cast<ui32>(record.GetStatus()) 
-                << ", reason# " << static_cast<ui32>(record.GetReason())); 
-            return Leave(); 
-        } 
-    } 
- 
-    void Handle(TEvPipeCache::TEvDeliveryProblem::TPtr& ev) { 
-        if (ShardId != ev->Get()->TabletId) { 
-            return; 
-        } 
- 
-        Leave(); 
-    } 
- 
-    void Leave() { 
-        Send(Parent, new TEvChangeExchangePrivate::TEvGone(ShardId)); 
-        PassAway(); 
-    } 
- 
-public: 
-    static constexpr NKikimrServices::TActivity::EType ActorActivityType() { 
-        return NKikimrServices::TActivity::CHANGE_SENDER_ASYNC_INDEX_ACTOR_PARTITION; 
-    } 
- 
-    TAsyncIndexChangeSenderShard(const TActorId& parent, const TDataShardId& dataShard, ui64 shardId, 
-            const TPathId& indexTablePathId, const TMap<TTag, TTag>& tagMap) 
-        : Parent(parent) 
-        , DataShard(dataShard) 
-        , ShardId(shardId) 
-        , IndexTablePathId(indexTablePathId) 
-        , TagMap(tagMap) 
-        , LastRecordOrder(0) 
-    { 
-    } 
- 
-    void Bootstrap() { 
-        GetProxyServices(); 
-    } 
- 
-    STATEFN(StateBase) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvPipeCache::TEvDeliveryProblem, Handle); 
-            sFunc(TEvents::TEvPoison, PassAway); 
-        } 
-    } 
- 
-private: 
-    const TActorId Parent; 
-    const TDataShardId DataShard; 
-    const ui64 ShardId; 
-    const TPathId IndexTablePathId; 
-    const TMap<TTag, TTag> TagMap; // from main to index 
-    mutable TMaybe<TString> LogPrefix; 
- 
+        Become(&TThis::StateWaitingStatus);
+    }
+
+    void Adjust(NKikimrChangeExchange::TChangeRecord& record) const {
+        record.SetPathOwnerId(IndexTablePathId.OwnerId);
+        record.SetLocalPathId(IndexTablePathId.LocalPathId);
+
+        Y_VERIFY(record.HasAsyncIndex());
+        AdjustTags(*record.MutableAsyncIndex());
+    }
+
+    void AdjustTags(NKikimrChangeExchange::TChangeRecord::TDataChange& record) const {
+        AdjustTags(*record.MutableKey()->MutableTags());
+
+        switch (record.GetRowOperationCase()) {
+        case NKikimrChangeExchange::TChangeRecord::TDataChange::kUpsert:
+            AdjustTags(*record.MutableUpsert()->MutableTags());
+            break;
+        case NKikimrChangeExchange::TChangeRecord::TDataChange::kReset:
+            AdjustTags(*record.MutableReset()->MutableTags());
+            break;
+        default:
+            break;
+        }
+    }
+
+    void AdjustTags(google::protobuf::RepeatedField<ui32>& tags) const {
+        for (int i = 0; i < tags.size(); ++i) {
+            auto it = TagMap.find(tags[i]);
+            Y_VERIFY(it != TagMap.end());
+            tags[i] = it->second;
+        }
+    }
+
+    /// WaitingStatus
+
+    STATEFN(StateWaitingStatus) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvChangeExchange::TEvStatus, Handle);
+        default:
+            return StateBase(ev, TlsActivationContext->AsActorContext());
+        }
+    }
+
+    void Handle(TEvChangeExchange::TEvStatus::TPtr& ev) {
+        LOG_D("Handle " << ev->Get()->ToString());
+
+        const auto& record = ev->Get()->Record;
+        switch (record.GetStatus()) {
+        case NKikimrChangeExchange::TEvStatus::STATUS_OK:
+            LastRecordOrder = record.GetLastRecordOrder();
+            return Ready();
+        // TODO: REJECT?
+        default:
+            LOG_E("Apply status"
+                << ": status# " << static_cast<ui32>(record.GetStatus())
+                << ", reason# " << static_cast<ui32>(record.GetReason()));
+            return Leave();
+        }
+    }
+
+    void Handle(TEvPipeCache::TEvDeliveryProblem::TPtr& ev) {
+        if (ShardId != ev->Get()->TabletId) {
+            return;
+        }
+
+        Leave();
+    }
+
+    void Leave() {
+        Send(Parent, new TEvChangeExchangePrivate::TEvGone(ShardId));
+        PassAway();
+    }
+
+public:
+    static constexpr NKikimrServices::TActivity::EType ActorActivityType() {
+        return NKikimrServices::TActivity::CHANGE_SENDER_ASYNC_INDEX_ACTOR_PARTITION;
+    }
+
+    TAsyncIndexChangeSenderShard(const TActorId& parent, const TDataShardId& dataShard, ui64 shardId,
+            const TPathId& indexTablePathId, const TMap<TTag, TTag>& tagMap)
+        : Parent(parent)
+        , DataShard(dataShard)
+        , ShardId(shardId)
+        , IndexTablePathId(indexTablePathId)
+        , TagMap(tagMap)
+        , LastRecordOrder(0)
+    {
+    }
+
+    void Bootstrap() {
+        GetProxyServices();
+    }
+
+    STATEFN(StateBase) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvPipeCache::TEvDeliveryProblem, Handle);
+            sFunc(TEvents::TEvPoison, PassAway);
+        }
+    }
+
+private:
+    const TActorId Parent;
+    const TDataShardId DataShard;
+    const ui64 ShardId;
+    const TPathId IndexTablePathId;
+    const TMap<TTag, TTag> TagMap; // from main to index
+    mutable TMaybe<TString> LogPrefix;
+
     TActorId LeaderPipeCache;
-    ui64 LastRecordOrder; 
- 
-}; // TAsyncIndexChangeSenderShard 
- 
-class TAsyncIndexChangeSenderMain: public TActorBootstrapped<TAsyncIndexChangeSenderMain> 
-                                 , public TBaseChangeSender 
-                                 , public IChangeSenderResolver 
-                                 , private TSchemeCacheHelpers { 
- 
-    TStringBuf GetLogPrefix() const { 
-        if (!LogPrefix) { 
-            LogPrefix = TStringBuilder() 
-                << "[AsyncIndexChangeSenderMain]" 
-                << "[" << DataShard.TabletId << ":" << DataShard.Generation << "]" 
-                << SelfId() /* contains brackets */ << " "; 
-        } 
- 
-        return LogPrefix.GetRef(); 
-    } 
- 
-    static TSerializedTableRange GetFullRange(ui32 keyColumnsCount) { 
-        TVector<TCell> fromValues(keyColumnsCount); 
-        TVector<TCell> toValues; 
-        return TSerializedTableRange(fromValues, true, toValues, false); 
-    } 
- 
-    bool IsResolvingUserTable() const { 
-        return CurrentStateFunc() == static_cast<TReceiveFunc>(&TThis::StateResolveUserTable); 
-    } 
- 
-    bool IsResolvingIndex() const { 
-        return CurrentStateFunc() == static_cast<TReceiveFunc>(&TThis::StateResolveIndex); 
-    } 
- 
-    bool IsResolvingIndexTable() const { 
-        return CurrentStateFunc() == static_cast<TReceiveFunc>(&TThis::StateResolveIndexTable); 
-    } 
- 
-    bool IsResolvingKeys() const { 
-        return CurrentStateFunc() == static_cast<TReceiveFunc>(&TThis::StateResolveKeys); 
-    } 
- 
-    bool IsResolving() const override { 
-        return IsResolvingUserTable() 
-            || IsResolvingIndex() 
-            || IsResolvingIndexTable() 
-            || IsResolvingKeys(); 
-    } 
- 
-    TStringBuf CurrentStateName() const { 
-        if (IsResolvingUserTable()) { 
-            return "ResolveUserTable"; 
-        } else if (IsResolvingIndex()) { 
-            return "ResolveIndex"; 
-        } else if (IsResolvingIndexTable()) { 
-            return "ResolveIndexTable"; 
-        } else if (IsResolvingKeys()) { 
-            return "ResolveKeys"; 
-        } else { 
-            return ""; 
-        } 
-    } 
- 
-    void Retry() { 
-        Schedule(TDuration::Seconds(1), new TEvents::TEvWakeup()); 
-    } 
- 
-    void LogCritAndRetry(const TString& error) { 
-        LOG_C(error); 
-        Retry(); 
-    } 
- 
-    void LogWarnAndRetry(const TString& error) { 
-        LOG_W(error); 
-        Retry(); 
-    } 
- 
-    template <typename CheckFunc, typename FailFunc, typename T, typename... Args> 
-    bool Check(CheckFunc checkFunc, FailFunc failFunc, const T& subject, Args&&... args) { 
-        return checkFunc(CurrentStateName(), subject, std::forward<Args>(args)..., std::bind(failFunc, this, std::placeholders::_1)); 
-    } 
- 
-    template <typename T> 
-    bool CheckNotEmpty(const TAutoPtr<T>& result) { 
-        return Check(&TSchemeCacheHelpers::CheckNotEmpty<T>, &TThis::LogCritAndRetry, result); 
-    } 
- 
-    template <typename T> 
-    bool CheckEntriesCount(const TAutoPtr<T>& result, ui32 expected) { 
-        return Check(&TSchemeCacheHelpers::CheckEntriesCount<T>, &TThis::LogCritAndRetry, result, expected); 
-    } 
- 
-    template <typename T> 
-    bool CheckTableId(const T& entry, const TTableId& expected) { 
-        return Check(&TSchemeCacheHelpers::CheckTableId<T>, &TThis::LogCritAndRetry, entry, expected); 
-    } 
- 
-    template <typename T> 
-    bool CheckEntrySucceeded(const T& entry) { 
-        return Check(&TSchemeCacheHelpers::CheckEntrySucceeded<T>, &TThis::LogWarnAndRetry, entry); 
-    } 
- 
-    template <typename T> 
-    bool CheckEntryKind(const T& entry, TNavigate::EKind expected) { 
-        return Check(&TSchemeCacheHelpers::CheckEntryKind<T>, &TThis::LogWarnAndRetry, entry, expected); 
-    } 
- 
-    static TVector<ui64> MakePartitionIds(const TVector<TKeyDesc::TPartitionInfo>& partitions) { 
-        TVector<ui64> result(Reserve(partitions.size())); 
- 
-        for (const auto& partition : partitions) { 
-            result.push_back(partition.ShardId); // partition = shard 
-        } 
- 
-        return result; 
-    } 
- 
-    /// ResolveUserTable 
- 
-    void ResolveUserTable() { 
-        auto request = MakeHolder<TNavigate>(); 
-        request->ResultSet.emplace_back(MakeNavigateEntry(UserTableId, TNavigate::OpTable)); 
- 
-        Send(MakeSchemeCacheID(), new TEvNavigate(request.Release())); 
-        Become(&TThis::StateResolveUserTable); 
-    } 
- 
-    STATEFN(StateResolveUserTable) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvTxProxySchemeCache::TEvNavigateKeySetResult, HandleUserTable); 
-            sFunc(TEvents::TEvWakeup, ResolveUserTable); 
-        default: 
-            return StateBase(ev, TlsActivationContext->AsActorContext()); 
-        } 
-    } 
- 
-    void HandleUserTable(TEvTxProxySchemeCache::TEvNavigateKeySetResult::TPtr& ev) { 
-        const auto& result = ev->Get()->Request; 
- 
+    ui64 LastRecordOrder;
+
+}; // TAsyncIndexChangeSenderShard
+
+class TAsyncIndexChangeSenderMain: public TActorBootstrapped<TAsyncIndexChangeSenderMain>
+                                 , public TBaseChangeSender
+                                 , public IChangeSenderResolver
+                                 , private TSchemeCacheHelpers {
+
+    TStringBuf GetLogPrefix() const {
+        if (!LogPrefix) {
+            LogPrefix = TStringBuilder()
+                << "[AsyncIndexChangeSenderMain]"
+                << "[" << DataShard.TabletId << ":" << DataShard.Generation << "]"
+                << SelfId() /* contains brackets */ << " ";
+        }
+
+        return LogPrefix.GetRef();
+    }
+
+    static TSerializedTableRange GetFullRange(ui32 keyColumnsCount) {
+        TVector<TCell> fromValues(keyColumnsCount);
+        TVector<TCell> toValues;
+        return TSerializedTableRange(fromValues, true, toValues, false);
+    }
+
+    bool IsResolvingUserTable() const {
+        return CurrentStateFunc() == static_cast<TReceiveFunc>(&TThis::StateResolveUserTable);
+    }
+
+    bool IsResolvingIndex() const {
+        return CurrentStateFunc() == static_cast<TReceiveFunc>(&TThis::StateResolveIndex);
+    }
+
+    bool IsResolvingIndexTable() const {
+        return CurrentStateFunc() == static_cast<TReceiveFunc>(&TThis::StateResolveIndexTable);
+    }
+
+    bool IsResolvingKeys() const {
+        return CurrentStateFunc() == static_cast<TReceiveFunc>(&TThis::StateResolveKeys);
+    }
+
+    bool IsResolving() const override {
+        return IsResolvingUserTable()
+            || IsResolvingIndex()
+            || IsResolvingIndexTable()
+            || IsResolvingKeys();
+    }
+
+    TStringBuf CurrentStateName() const {
+        if (IsResolvingUserTable()) {
+            return "ResolveUserTable";
+        } else if (IsResolvingIndex()) {
+            return "ResolveIndex";
+        } else if (IsResolvingIndexTable()) {
+            return "ResolveIndexTable";
+        } else if (IsResolvingKeys()) {
+            return "ResolveKeys";
+        } else {
+            return "";
+        }
+    }
+
+    void Retry() {
+        Schedule(TDuration::Seconds(1), new TEvents::TEvWakeup());
+    }
+
+    void LogCritAndRetry(const TString& error) {
+        LOG_C(error);
+        Retry();
+    }
+
+    void LogWarnAndRetry(const TString& error) {
+        LOG_W(error);
+        Retry();
+    }
+
+    template <typename CheckFunc, typename FailFunc, typename T, typename... Args>
+    bool Check(CheckFunc checkFunc, FailFunc failFunc, const T& subject, Args&&... args) {
+        return checkFunc(CurrentStateName(), subject, std::forward<Args>(args)..., std::bind(failFunc, this, std::placeholders::_1));
+    }
+
+    template <typename T>
+    bool CheckNotEmpty(const TAutoPtr<T>& result) {
+        return Check(&TSchemeCacheHelpers::CheckNotEmpty<T>, &TThis::LogCritAndRetry, result);
+    }
+
+    template <typename T>
+    bool CheckEntriesCount(const TAutoPtr<T>& result, ui32 expected) {
+        return Check(&TSchemeCacheHelpers::CheckEntriesCount<T>, &TThis::LogCritAndRetry, result, expected);
+    }
+
+    template <typename T>
+    bool CheckTableId(const T& entry, const TTableId& expected) {
+        return Check(&TSchemeCacheHelpers::CheckTableId<T>, &TThis::LogCritAndRetry, entry, expected);
+    }
+
+    template <typename T>
+    bool CheckEntrySucceeded(const T& entry) {
+        return Check(&TSchemeCacheHelpers::CheckEntrySucceeded<T>, &TThis::LogWarnAndRetry, entry);
+    }
+
+    template <typename T>
+    bool CheckEntryKind(const T& entry, TNavigate::EKind expected) {
+        return Check(&TSchemeCacheHelpers::CheckEntryKind<T>, &TThis::LogWarnAndRetry, entry, expected);
+    }
+
+    static TVector<ui64> MakePartitionIds(const TVector<TKeyDesc::TPartitionInfo>& partitions) {
+        TVector<ui64> result(Reserve(partitions.size()));
+
+        for (const auto& partition : partitions) {
+            result.push_back(partition.ShardId); // partition = shard
+        }
+
+        return result;
+    }
+
+    /// ResolveUserTable
+
+    void ResolveUserTable() {
+        auto request = MakeHolder<TNavigate>();
+        request->ResultSet.emplace_back(MakeNavigateEntry(UserTableId, TNavigate::OpTable));
+
+        Send(MakeSchemeCacheID(), new TEvNavigate(request.Release()));
+        Become(&TThis::StateResolveUserTable);
+    }
+
+    STATEFN(StateResolveUserTable) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvTxProxySchemeCache::TEvNavigateKeySetResult, HandleUserTable);
+            sFunc(TEvents::TEvWakeup, ResolveUserTable);
+        default:
+            return StateBase(ev, TlsActivationContext->AsActorContext());
+        }
+    }
+
+    void HandleUserTable(TEvTxProxySchemeCache::TEvNavigateKeySetResult::TPtr& ev) {
+        const auto& result = ev->Get()->Request;
+
         LOG_D("HandleUserTable TEvTxProxySchemeCache::TEvNavigateKeySetResult"
-            << ": result# " << (result ? result->ToString(*AppData()->TypeRegistry) : "nullptr")); 
- 
-        if (!CheckNotEmpty(result)) { 
-            return; 
-        } 
- 
-        if (!CheckEntriesCount(result, 1)) { 
-            return; 
-        } 
- 
-        const auto& entry = result->ResultSet.at(0); 
- 
-        if (!CheckTableId(entry, UserTableId)) { 
-            return; 
-        } 
- 
-        if (!CheckEntrySucceeded(entry)) { 
-            return; 
-        } 
- 
-        if (!CheckEntryKind(entry, TNavigate::KindTable)) { 
-            return; 
-        } 
- 
-        for (const auto& [tag, column] : entry.Columns) { 
-            Y_VERIFY_DEBUG(!MainColumnToTag.contains(column.Name)); 
-            MainColumnToTag.emplace(column.Name, tag); 
-        } 
- 
-        ResolveIndex(); 
-    } 
- 
-    /// ResolveIndex 
- 
-    void ResolveIndex() { 
-        auto request = MakeHolder<TNavigate>(); 
-        request->ResultSet.emplace_back(MakeNavigateEntry(PathId, TNavigate::OpList)); 
- 
-        Send(MakeSchemeCacheID(), new TEvNavigate(request.Release())); 
-        Become(&TThis::StateResolveIndex); 
-    } 
- 
-    STATEFN(StateResolveIndex) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvTxProxySchemeCache::TEvNavigateKeySetResult, HandleIndex); 
-            sFunc(TEvents::TEvWakeup, ResolveIndex); 
-        default: 
-            return StateBase(ev, TlsActivationContext->AsActorContext()); 
-        } 
-    } 
- 
-    void HandleIndex(TEvTxProxySchemeCache::TEvNavigateKeySetResult::TPtr& ev) { 
-        const auto& result = ev->Get()->Request; 
- 
-        LOG_D("HandleIndex TEvTxProxySchemeCache::TEvNavigateKeySetResult" 
-            << ": result# " << (result ? result->ToString(*AppData()->TypeRegistry) : "nullptr")); 
- 
-        if (!CheckNotEmpty(result)) { 
-            return; 
-        } 
- 
-        if (!CheckEntriesCount(result, 1)) { 
-            return; 
-        } 
- 
-        const auto& entry = result->ResultSet.at(0); 
- 
-        if (!CheckTableId(entry, PathId)) { 
-            return; 
-        } 
- 
-        if (!CheckEntrySucceeded(entry)) { 
-            return; 
-        } 
- 
-        if (!CheckEntryKind(entry, TNavigate::KindIndex)) { 
-            return; 
-        } 
- 
-        Y_VERIFY(entry.ListNodeEntry->Children.size() == 1); 
-        const auto& indexTable = entry.ListNodeEntry->Children.at(0); 
- 
-        Y_VERIFY(indexTable.Kind == TNavigate::KindTable); 
-        IndexTablePathId = indexTable.PathId; 
- 
-        ResolveIndexTable(); 
-    } 
- 
-    /// ResolveIndexTable 
- 
-    void ResolveIndexTable() { 
-        auto request = MakeHolder<TNavigate>(); 
-        request->ResultSet.emplace_back(MakeNavigateEntry(IndexTablePathId, TNavigate::OpTable)); 
- 
-        Send(MakeSchemeCacheID(), new TEvNavigate(request.Release())); 
-        Become(&TThis::StateResolveIndexTable); 
-    } 
- 
-    STATEFN(StateResolveIndexTable) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvTxProxySchemeCache::TEvNavigateKeySetResult, HandleIndexTable); 
-            sFunc(TEvents::TEvWakeup, ResolveIndexTable); 
-        default: 
-            return StateBase(ev, TlsActivationContext->AsActorContext()); 
-        } 
-    } 
- 
-    void HandleIndexTable(TEvTxProxySchemeCache::TEvNavigateKeySetResult::TPtr& ev) { 
-        const auto& result = ev->Get()->Request; 
- 
-        LOG_D("HandleIndexTable TEvTxProxySchemeCache::TEvNavigateKeySetResult" 
-            << ": result# " << (result ? result->ToString(*AppData()->TypeRegistry) : "nullptr")); 
- 
-        if (!CheckNotEmpty(result)) { 
-            return; 
-        } 
- 
-        if (!CheckEntriesCount(result, 1)) { 
-            return; 
-        } 
- 
-        const auto& entry = result->ResultSet.at(0); 
- 
-        if (!CheckTableId(entry, IndexTablePathId)) { 
-            return; 
-        } 
- 
-        if (!CheckEntrySucceeded(entry)) { 
-            return; 
-        } 
- 
-        if (!CheckEntryKind(entry, TNavigate::KindTable)) { 
-            return; 
-        } 
- 
-        TagMap.clear(); 
-        TVector<NYql::NUdf::TDataTypeId> keyColumnTypes; 
- 
-        for (const auto& [tag, column] : entry.Columns) { 
-            auto it = MainColumnToTag.find(column.Name); 
-            Y_VERIFY(it != MainColumnToTag.end()); 
- 
-            Y_VERIFY_DEBUG(!TagMap.contains(it->second)); 
-            TagMap.emplace(it->second, tag); 
- 
-            if (column.KeyOrder < 0) { 
-                continue; 
-            } 
- 
-            if (keyColumnTypes.size() <= static_cast<ui32>(column.KeyOrder)) { 
-                keyColumnTypes.resize(column.KeyOrder + 1); 
-            } 
- 
-            keyColumnTypes[column.KeyOrder] = column.PType; 
-        } 
- 
-        KeyDesc = MakeHolder<TKeyDesc>( 
-            entry.TableId, 
-            GetFullRange(keyColumnTypes.size()).ToTableRange(), 
-            TKeyDesc::ERowOperation::Update, 
-            keyColumnTypes, 
-            TVector<TKeyDesc::TColumnOp>() 
-        ); 
- 
-        ResolveKeys(); 
-    } 
- 
-    /// ResolveKeys 
- 
-    void ResolveKeys() { 
-        auto request = MakeHolder<TResolve>(); 
-        request->ResultSet.emplace_back(std::move(KeyDesc)); 
- 
-        Send(MakeSchemeCacheID(), new TEvResolve(request.Release())); 
-        Become(&TThis::StateResolveKeys); 
-    } 
- 
-    STATEFN(StateResolveKeys) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvTxProxySchemeCache::TEvResolveKeySetResult, HandleKeys); 
-            sFunc(TEvents::TEvWakeup, ResolveIndexTable); 
-        default: 
-            return StateBase(ev, TlsActivationContext->AsActorContext()); 
-        } 
-    } 
- 
-    void HandleKeys(TEvTxProxySchemeCache::TEvResolveKeySetResult::TPtr& ev) { 
-        const auto& result = ev->Get()->Request; 
- 
-        LOG_D("HandleKeys TEvTxProxySchemeCache::TEvResolveKeySetResult" 
-            << ": result# " << (result ? result->ToString(*AppData()->TypeRegistry) : "nullptr")); 
- 
-        if (!CheckNotEmpty(result)) { 
-            return; 
-        } 
- 
-        if (!CheckEntriesCount(result, 1)) { 
-            return; 
-        } 
- 
-        auto& entry = result->ResultSet.at(0); 
- 
-        if (!CheckTableId(entry, IndexTablePathId)) { 
-            return; 
-        } 
- 
-        if (!CheckEntrySucceeded(entry)) { 
-            return; 
-        } 
- 
-        if (!entry.KeyDescription->Partitions) { 
-            LOG_W("Empty partitions list" 
-                << ": entry# " << entry.ToString(*AppData()->TypeRegistry)); 
-            return Retry(); 
-        } 
- 
-        KeyDesc = std::move(entry.KeyDescription); 
-        CreateSenders(MakePartitionIds(KeyDesc->Partitions)); 
- 
-        Become(&TThis::StateMain); 
-    } 
- 
-    /// Main 
- 
-    STATEFN(StateMain) { 
-        return StateBase(ev, TlsActivationContext->AsActorContext()); 
-    } 
- 
-    void Resolve() override { 
-        ResolveIndexTable(); 
-    } 
- 
-    bool IsResolved() const override { 
-        return KeyDesc && KeyDesc->Partitions; 
-    } 
- 
-    ui64 GetPartitionId(TConstArrayRef<TCell> key) const override { 
-        Y_VERIFY(KeyDesc); 
-        Y_VERIFY(KeyDesc->Partitions); 
- 
-        const auto range = TTableRange(key); 
-        Y_VERIFY(range.Point); 
- 
-        TVector<TKeyDesc::TPartitionInfo>::const_iterator it = LowerBound( 
-            KeyDesc->Partitions.begin(), KeyDesc->Partitions.end(), true, 
-            [&](const TKeyDesc::TPartitionInfo& partition, bool) { 
-                const int compares = CompareBorders<true, false>( 
-                    partition.Range->EndKeyPrefix.GetCells(), range.From, 
-                    partition.Range->IsInclusive || partition.Range->IsPoint, 
-                    range.InclusiveFrom || range.Point, KeyDesc->KeyColumnTypes 
-                ); 
- 
-                return (compares < 0); 
-            } 
-        ); 
- 
-        Y_VERIFY(it != KeyDesc->Partitions.end()); 
-        return it->ShardId; // partition = shard 
-    } 
- 
-    IActor* CreateSender(ui64 partitionId) override { 
-        return new TAsyncIndexChangeSenderShard(SelfId(), DataShard, partitionId, IndexTablePathId, TagMap); 
-    } 
- 
-    void Handle(TEvChangeExchange::TEvEnqueueRecords::TPtr& ev) { 
-        LOG_D("Handle " << ev->Get()->ToString()); 
-        EnqueueRecords(std::move(ev->Get()->Records)); 
-    } 
- 
-    void Handle(TEvChangeExchange::TEvRecords::TPtr& ev) { 
-        LOG_D("Handle " << ev->Get()->ToString()); 
-        ProcessRecords(std::move(ev->Get()->Records)); 
-    } 
- 
-    void Handle(TEvChangeExchange::TEvForgetRecords::TPtr& ev) { 
-        LOG_D("Handle " << ev->Get()->ToString()); 
-        ForgetRecords(std::move(ev->Get()->Records)); 
-    } 
- 
-    void Handle(TEvChangeExchangePrivate::TEvReady::TPtr& ev) { 
-        LOG_D("Handle " << ev->Get()->ToString()); 
-        OnReady(ev->Get()->PartitionId); 
-    } 
- 
-    void Handle(TEvChangeExchangePrivate::TEvGone::TPtr& ev) { 
-        LOG_D("Handle " << ev->Get()->ToString()); 
-        OnGone(ev->Get()->PartitionId); 
-    } 
- 
-    void Handle(TEvChangeExchange::TEvRemoveSender::TPtr& ev) { 
-        LOG_D("Handle " << ev->Get()->ToString()); 
-        Y_VERIFY(ev->Get()->PathId == PathId); 
- 
-        RemoveRecords(); 
-        PassAway(); 
-    } 
- 
-    void PassAway() override { 
-        KillSenders(); 
-        TActorBootstrapped::PassAway(); 
-    } 
- 
-public: 
-    static constexpr NKikimrServices::TActivity::EType ActorActivityType() { 
-        return NKikimrServices::TActivity::CHANGE_SENDER_ASYNC_INDEX_ACTOR_MAIN; 
-    } 
- 
-    explicit TAsyncIndexChangeSenderMain(const TDataShardId& dataShard, const TTableId& userTableId, const TPathId& indexPathId) 
-        : TActorBootstrapped() 
-        , TBaseChangeSender(this, this, dataShard, indexPathId) 
-        , UserTableId(userTableId) 
-    { 
-    } 
- 
-    void Bootstrap() { 
-        ResolveUserTable(); 
-    } 
- 
-    STATEFN(StateBase) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvChangeExchange::TEvEnqueueRecords, Handle); 
-            hFunc(TEvChangeExchange::TEvRecords, Handle); 
-            hFunc(TEvChangeExchange::TEvForgetRecords, Handle); 
-            hFunc(TEvChangeExchange::TEvRemoveSender, Handle); 
-            hFunc(TEvChangeExchangePrivate::TEvReady, Handle); 
-            hFunc(TEvChangeExchangePrivate::TEvGone, Handle); 
-            sFunc(TEvents::TEvPoison, PassAway); 
-        } 
-    } 
- 
-private: 
-    const TTableId UserTableId; 
-    mutable TMaybe<TString> LogPrefix; 
- 
-    THashMap<TString, TTag> MainColumnToTag; 
-    TMap<TTag, TTag> TagMap; // from main to index 
- 
-    TPathId IndexTablePathId; 
-    THolder<TKeyDesc> KeyDesc; 
- 
-}; // TAsyncIndexChangeSenderMain 
- 
-IActor* CreateAsyncIndexChangeSender(const TDataShardId& dataShard, const TTableId& userTableId, const TPathId& indexPathId) { 
-    return new TAsyncIndexChangeSenderMain(dataShard, userTableId, indexPathId); 
-} 
- 
+            << ": result# " << (result ? result->ToString(*AppData()->TypeRegistry) : "nullptr"));
+
+        if (!CheckNotEmpty(result)) {
+            return;
+        }
+
+        if (!CheckEntriesCount(result, 1)) {
+            return;
+        }
+
+        const auto& entry = result->ResultSet.at(0);
+
+        if (!CheckTableId(entry, UserTableId)) {
+            return;
+        }
+
+        if (!CheckEntrySucceeded(entry)) {
+            return;
+        }
+
+        if (!CheckEntryKind(entry, TNavigate::KindTable)) {
+            return;
+        }
+
+        for (const auto& [tag, column] : entry.Columns) {
+            Y_VERIFY_DEBUG(!MainColumnToTag.contains(column.Name));
+            MainColumnToTag.emplace(column.Name, tag);
+        }
+
+        ResolveIndex();
+    }
+
+    /// ResolveIndex
+
+    void ResolveIndex() {
+        auto request = MakeHolder<TNavigate>();
+        request->ResultSet.emplace_back(MakeNavigateEntry(PathId, TNavigate::OpList));
+
+        Send(MakeSchemeCacheID(), new TEvNavigate(request.Release()));
+        Become(&TThis::StateResolveIndex);
+    }
+
+    STATEFN(StateResolveIndex) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvTxProxySchemeCache::TEvNavigateKeySetResult, HandleIndex);
+            sFunc(TEvents::TEvWakeup, ResolveIndex);
+        default:
+            return StateBase(ev, TlsActivationContext->AsActorContext());
+        }
+    }
+
+    void HandleIndex(TEvTxProxySchemeCache::TEvNavigateKeySetResult::TPtr& ev) {
+        const auto& result = ev->Get()->Request;
+
+        LOG_D("HandleIndex TEvTxProxySchemeCache::TEvNavigateKeySetResult"
+            << ": result# " << (result ? result->ToString(*AppData()->TypeRegistry) : "nullptr"));
+
+        if (!CheckNotEmpty(result)) {
+            return;
+        }
+
+        if (!CheckEntriesCount(result, 1)) {
+            return;
+        }
+
+        const auto& entry = result->ResultSet.at(0);
+
+        if (!CheckTableId(entry, PathId)) {
+            return;
+        }
+
+        if (!CheckEntrySucceeded(entry)) {
+            return;
+        }
+
+        if (!CheckEntryKind(entry, TNavigate::KindIndex)) {
+            return;
+        }
+
+        Y_VERIFY(entry.ListNodeEntry->Children.size() == 1);
+        const auto& indexTable = entry.ListNodeEntry->Children.at(0);
+
+        Y_VERIFY(indexTable.Kind == TNavigate::KindTable);
+        IndexTablePathId = indexTable.PathId;
+
+        ResolveIndexTable();
+    }
+
+    /// ResolveIndexTable
+
+    void ResolveIndexTable() {
+        auto request = MakeHolder<TNavigate>();
+        request->ResultSet.emplace_back(MakeNavigateEntry(IndexTablePathId, TNavigate::OpTable));
+
+        Send(MakeSchemeCacheID(), new TEvNavigate(request.Release()));
+        Become(&TThis::StateResolveIndexTable);
+    }
+
+    STATEFN(StateResolveIndexTable) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvTxProxySchemeCache::TEvNavigateKeySetResult, HandleIndexTable);
+            sFunc(TEvents::TEvWakeup, ResolveIndexTable);
+        default:
+            return StateBase(ev, TlsActivationContext->AsActorContext());
+        }
+    }
+
+    void HandleIndexTable(TEvTxProxySchemeCache::TEvNavigateKeySetResult::TPtr& ev) {
+        const auto& result = ev->Get()->Request;
+
+        LOG_D("HandleIndexTable TEvTxProxySchemeCache::TEvNavigateKeySetResult"
+            << ": result# " << (result ? result->ToString(*AppData()->TypeRegistry) : "nullptr"));
+
+        if (!CheckNotEmpty(result)) {
+            return;
+        }
+
+        if (!CheckEntriesCount(result, 1)) {
+            return;
+        }
+
+        const auto& entry = result->ResultSet.at(0);
+
+        if (!CheckTableId(entry, IndexTablePathId)) {
+            return;
+        }
+
+        if (!CheckEntrySucceeded(entry)) {
+            return;
+        }
+
+        if (!CheckEntryKind(entry, TNavigate::KindTable)) {
+            return;
+        }
+
+        TagMap.clear();
+        TVector<NYql::NUdf::TDataTypeId> keyColumnTypes;
+
+        for (const auto& [tag, column] : entry.Columns) {
+            auto it = MainColumnToTag.find(column.Name);
+            Y_VERIFY(it != MainColumnToTag.end());
+
+            Y_VERIFY_DEBUG(!TagMap.contains(it->second));
+            TagMap.emplace(it->second, tag);
+
+            if (column.KeyOrder < 0) {
+                continue;
+            }
+
+            if (keyColumnTypes.size() <= static_cast<ui32>(column.KeyOrder)) {
+                keyColumnTypes.resize(column.KeyOrder + 1);
+            }
+
+            keyColumnTypes[column.KeyOrder] = column.PType;
+        }
+
+        KeyDesc = MakeHolder<TKeyDesc>(
+            entry.TableId,
+            GetFullRange(keyColumnTypes.size()).ToTableRange(),
+            TKeyDesc::ERowOperation::Update,
+            keyColumnTypes,
+            TVector<TKeyDesc::TColumnOp>()
+        );
+
+        ResolveKeys();
+    }
+
+    /// ResolveKeys
+
+    void ResolveKeys() {
+        auto request = MakeHolder<TResolve>();
+        request->ResultSet.emplace_back(std::move(KeyDesc));
+
+        Send(MakeSchemeCacheID(), new TEvResolve(request.Release()));
+        Become(&TThis::StateResolveKeys);
+    }
+
+    STATEFN(StateResolveKeys) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvTxProxySchemeCache::TEvResolveKeySetResult, HandleKeys);
+            sFunc(TEvents::TEvWakeup, ResolveIndexTable);
+        default:
+            return StateBase(ev, TlsActivationContext->AsActorContext());
+        }
+    }
+
+    void HandleKeys(TEvTxProxySchemeCache::TEvResolveKeySetResult::TPtr& ev) {
+        const auto& result = ev->Get()->Request;
+
+        LOG_D("HandleKeys TEvTxProxySchemeCache::TEvResolveKeySetResult"
+            << ": result# " << (result ? result->ToString(*AppData()->TypeRegistry) : "nullptr"));
+
+        if (!CheckNotEmpty(result)) {
+            return;
+        }
+
+        if (!CheckEntriesCount(result, 1)) {
+            return;
+        }
+
+        auto& entry = result->ResultSet.at(0);
+
+        if (!CheckTableId(entry, IndexTablePathId)) {
+            return;
+        }
+
+        if (!CheckEntrySucceeded(entry)) {
+            return;
+        }
+
+        if (!entry.KeyDescription->Partitions) {
+            LOG_W("Empty partitions list"
+                << ": entry# " << entry.ToString(*AppData()->TypeRegistry));
+            return Retry();
+        }
+
+        KeyDesc = std::move(entry.KeyDescription);
+        CreateSenders(MakePartitionIds(KeyDesc->Partitions));
+
+        Become(&TThis::StateMain);
+    }
+
+    /// Main
+
+    STATEFN(StateMain) {
+        return StateBase(ev, TlsActivationContext->AsActorContext());
+    }
+
+    void Resolve() override {
+        ResolveIndexTable();
+    }
+
+    bool IsResolved() const override {
+        return KeyDesc && KeyDesc->Partitions;
+    }
+
+    ui64 GetPartitionId(TConstArrayRef<TCell> key) const override {
+        Y_VERIFY(KeyDesc);
+        Y_VERIFY(KeyDesc->Partitions);
+
+        const auto range = TTableRange(key);
+        Y_VERIFY(range.Point);
+
+        TVector<TKeyDesc::TPartitionInfo>::const_iterator it = LowerBound(
+            KeyDesc->Partitions.begin(), KeyDesc->Partitions.end(), true,
+            [&](const TKeyDesc::TPartitionInfo& partition, bool) {
+                const int compares = CompareBorders<true, false>(
+                    partition.Range->EndKeyPrefix.GetCells(), range.From,
+                    partition.Range->IsInclusive || partition.Range->IsPoint,
+                    range.InclusiveFrom || range.Point, KeyDesc->KeyColumnTypes
+                );
+
+                return (compares < 0);
+            }
+        );
+
+        Y_VERIFY(it != KeyDesc->Partitions.end());
+        return it->ShardId; // partition = shard
+    }
+
+    IActor* CreateSender(ui64 partitionId) override {
+        return new TAsyncIndexChangeSenderShard(SelfId(), DataShard, partitionId, IndexTablePathId, TagMap);
+    }
+
+    void Handle(TEvChangeExchange::TEvEnqueueRecords::TPtr& ev) {
+        LOG_D("Handle " << ev->Get()->ToString());
+        EnqueueRecords(std::move(ev->Get()->Records));
+    }
+
+    void Handle(TEvChangeExchange::TEvRecords::TPtr& ev) {
+        LOG_D("Handle " << ev->Get()->ToString());
+        ProcessRecords(std::move(ev->Get()->Records));
+    }
+
+    void Handle(TEvChangeExchange::TEvForgetRecords::TPtr& ev) {
+        LOG_D("Handle " << ev->Get()->ToString());
+        ForgetRecords(std::move(ev->Get()->Records));
+    }
+
+    void Handle(TEvChangeExchangePrivate::TEvReady::TPtr& ev) {
+        LOG_D("Handle " << ev->Get()->ToString());
+        OnReady(ev->Get()->PartitionId);
+    }
+
+    void Handle(TEvChangeExchangePrivate::TEvGone::TPtr& ev) {
+        LOG_D("Handle " << ev->Get()->ToString());
+        OnGone(ev->Get()->PartitionId);
+    }
+
+    void Handle(TEvChangeExchange::TEvRemoveSender::TPtr& ev) {
+        LOG_D("Handle " << ev->Get()->ToString());
+        Y_VERIFY(ev->Get()->PathId == PathId);
+
+        RemoveRecords();
+        PassAway();
+    }
+
+    void PassAway() override {
+        KillSenders();
+        TActorBootstrapped::PassAway();
+    }
+
+public:
+    static constexpr NKikimrServices::TActivity::EType ActorActivityType() {
+        return NKikimrServices::TActivity::CHANGE_SENDER_ASYNC_INDEX_ACTOR_MAIN;
+    }
+
+    explicit TAsyncIndexChangeSenderMain(const TDataShardId& dataShard, const TTableId& userTableId, const TPathId& indexPathId)
+        : TActorBootstrapped()
+        , TBaseChangeSender(this, this, dataShard, indexPathId)
+        , UserTableId(userTableId)
+    {
+    }
+
+    void Bootstrap() {
+        ResolveUserTable();
+    }
+
+    STATEFN(StateBase) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvChangeExchange::TEvEnqueueRecords, Handle);
+            hFunc(TEvChangeExchange::TEvRecords, Handle);
+            hFunc(TEvChangeExchange::TEvForgetRecords, Handle);
+            hFunc(TEvChangeExchange::TEvRemoveSender, Handle);
+            hFunc(TEvChangeExchangePrivate::TEvReady, Handle);
+            hFunc(TEvChangeExchangePrivate::TEvGone, Handle);
+            sFunc(TEvents::TEvPoison, PassAway);
+        }
+    }
+
+private:
+    const TTableId UserTableId;
+    mutable TMaybe<TString> LogPrefix;
+
+    THashMap<TString, TTag> MainColumnToTag;
+    TMap<TTag, TTag> TagMap; // from main to index
+
+    TPathId IndexTablePathId;
+    THolder<TKeyDesc> KeyDesc;
+
+}; // TAsyncIndexChangeSenderMain
+
+IActor* CreateAsyncIndexChangeSender(const TDataShardId& dataShard, const TTableId& userTableId, const TPathId& indexPathId) {
+    return new TAsyncIndexChangeSenderMain(dataShard, userTableId, indexPathId);
+}
+
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/change_sender_cdc_stream.cpp b/ydb/core/tx/datashard/change_sender_cdc_stream.cpp
index 9ca17f862d..288f6a8526 100644
--- a/ydb/core/tx/datashard/change_sender_cdc_stream.cpp
+++ b/ydb/core/tx/datashard/change_sender_cdc_stream.cpp
@@ -1,682 +1,682 @@
-#include "change_exchange.h" 
-#include "change_exchange_impl.h" 
-#include "change_sender_common_ops.h" 
- 
-#include <library/cpp/actors/core/actor_bootstrapped.h> 
-#include <library/cpp/actors/core/hfunc.h> 
-#include <library/cpp/actors/core/log.h> 
- 
+#include "change_exchange.h"
+#include "change_exchange_impl.h"
+#include "change_sender_common_ops.h"
+
+#include <library/cpp/actors/core/actor_bootstrapped.h>
+#include <library/cpp/actors/core/hfunc.h>
+#include <library/cpp/actors/core/log.h>
+
 #include <ydb/core/persqueue/partition_key_range/partition_key_range.h>
 #include <ydb/core/persqueue/writer/source_id_encoding.h>
 #include <ydb/core/persqueue/writer/writer.h>
 #include <ydb/core/protos/grpc_pq_old.pb.h>
- 
-namespace NKikimr { 
-namespace NDataShard { 
- 
-using namespace NPQ; 
- 
-class TCdcChangeSenderPartition: public TActorBootstrapped<TCdcChangeSenderPartition> { 
-    static constexpr auto CodecRaw = 1; 
- 
-    TStringBuf GetLogPrefix() const { 
-        if (!LogPrefix) { 
-            LogPrefix = TStringBuilder() 
-                << "[CdcChangeSenderPartition]" 
-                << "[" << DataShard.TabletId << ":" << DataShard.Generation << "]" 
-                << "[" << PartitionId << "]" 
-                << "[" << ShardId << "]" 
-                << SelfId() /* contains brackets */ << " "; 
-        } 
- 
-        return LogPrefix.GetRef(); 
-    } 
- 
-    /// Init 
- 
-    STATEFN(StateInit) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvPartitionWriter::TEvInitResult, Handle); 
-        default: 
-            return StateBase(ev, TlsActivationContext->AsActorContext()); 
-        } 
-    } 
- 
-    void Handle(TEvPartitionWriter::TEvInitResult::TPtr& ev) { 
-        LOG_D("Handle " << ev->Get()->ToString()); 
- 
-        const auto& result = *ev->Get(); 
-        if (!result.IsSuccess()) { 
-            LOG_E("Error at 'Init'" 
-                << ": reason# " << result.GetError().Reason); 
-            return Leave(); 
-        } 
- 
-        const auto& info = result.GetResult().SourceIdInfo; 
-        Y_VERIFY(info.GetExplicit()); 
- 
-        MaxSeqNo = info.GetSeqNo(); 
-        Ready(); 
-    } 
- 
-    void Ready() { 
-        Pending.clear(); 
- 
-        Send(Parent, new TEvChangeExchangePrivate::TEvReady(PartitionId)); 
-        Become(&TThis::StateWaitingRecords); 
-    } 
- 
-    /// WaitingRecords 
- 
-    STATEFN(StateWaitingRecords) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvChangeExchange::TEvRecords, Handle); 
-        default: 
-            return StateBase(ev, TlsActivationContext->AsActorContext()); 
-        } 
-    } 
- 
-    void Handle(TEvChangeExchange::TEvRecords::TPtr& ev) { 
-        LOG_D("Handle " << ev->Get()->ToString()); 
-        NKikimrClient::TPersQueueRequest request; 
- 
-        for (const auto& record : ev->Get()->Records) { 
-            if (record.GetSeqNo() <= MaxSeqNo) { 
-                continue; 
-            } 
- 
-            const auto createdAt = TInstant::FromValue(record.GetGroup()); 
- 
-            NKikimrChangeExchange::TChangeRecord protoRecord; 
-            record.SerializeTo(protoRecord); 
- 
-            NKikimrPQClient::TDataChunk data; 
-            data.SetSeqNo(record.GetSeqNo()); 
-            data.SetCreateTime(createdAt.MilliSeconds()); 
-            data.SetCodec(CodecRaw); 
-            data.SetData(protoRecord.SerializeAsString()); 
-            // TODO: meta? 
- 
-            auto& cmd = *request.MutablePartitionRequest()->AddCmdWrite(); 
-            cmd.SetSeqNo(record.GetSeqNo()); 
-            cmd.SetSourceId(NSourceIdEncoding::EncodeSimple(SourceId)); 
-            cmd.SetCreateTimeMS(createdAt.MilliSeconds()); 
-            cmd.SetData(data.SerializeAsString()); 
- 
-            Pending.push_back(record.GetSeqNo()); 
-        } 
- 
-        if (!Pending) { 
-            return Ready(); 
-        } 
- 
-        Write(std::move(request)); 
-    } 
- 
-    /// Write 
- 
-    void Write(NKikimrClient::TPersQueueRequest&& request) { 
-        auto ev = MakeHolder<TEvPartitionWriter::TEvWriteRequest>(++Cookie); 
-        ev->Record = std::move(request); 
- 
-        Send(Writer, std::move(ev)); 
-        Become(&TThis::StateWrite); 
-    } 
- 
-    STATEFN(StateWrite) { 
-        switch (ev->GetTypeRewrite()) { 
-            IgnoreFunc(TEvPartitionWriter::TEvWriteAccepted); 
-            hFunc(TEvPartitionWriter::TEvWriteResponse, Handle); 
-        default: 
-            return StateBase(ev, TlsActivationContext->AsActorContext()); 
-        } 
-    } 
- 
-    void Handle(TEvPartitionWriter::TEvWriteResponse::TPtr& ev) { 
-        LOG_D("Handle " << ev->Get()->ToString()); 
- 
-        const auto& result = *ev->Get(); 
-        if (!result.IsSuccess()) { 
-            LOG_E("Error at 'Write" 
-                << ": reason# " << result.GetError().Reason); 
-            return Leave(); 
-        } 
- 
-        const auto& response = result.Record.GetPartitionResponse(); 
-        if (response.GetCookie() != Cookie) { 
-            LOG_E("Cookie mismatch" 
-                << ": expected# " << Cookie 
-                << ", got# " << response.GetCookie()); 
-            return Leave(); 
-        } 
- 
-        if (response.CmdWriteResultSize() != Pending.size()) { 
-            LOG_E("Write result size mismatch" 
-                << ": expected# " << Pending.size() 
-                << ", got# " << response.CmdWriteResultSize()); 
-            return Leave(); 
-        } 
- 
-        for (ui32 i = 0; i < Pending.size(); ++i) { 
-            const auto expected = Pending.at(i); 
-            const auto got = response.GetCmdWriteResult(i).GetSeqNo(); 
- 
-            if (expected == got) { 
-                MaxSeqNo = Max(MaxSeqNo, got); 
-                continue; 
-            } 
- 
-            LOG_E("SeqNo mismatch" 
-                << ": expected# " << expected 
-                << ", got# " << got); 
-            return Leave(); 
-        } 
- 
-        Ready(); 
-    } 
- 
-    void Leave() { 
-        Send(Parent, new TEvChangeExchangePrivate::TEvGone(PartitionId)); 
-        PassAway(); 
-    } 
- 
-    void PassAway() override { 
-        if (Writer) { 
-            Send(Writer, new TEvents::TEvPoisonPill()); 
-        } 
- 
-        TActorBootstrapped::PassAway(); 
-    } 
- 
-public: 
-    static constexpr NKikimrServices::TActivity::EType ActorActivityType() { 
-        return NKikimrServices::TActivity::CHANGE_SENDER_CDC_ACTOR_PARTITION; 
-    } 
- 
-    explicit TCdcChangeSenderPartition(const TActorId& parent, const TDataShardId& dataShard, ui32 partitionId, ui64 shardId) 
-        : Parent(parent) 
-        , DataShard(dataShard) 
-        , PartitionId(partitionId) 
-        , ShardId(shardId) 
-        , SourceId(ToString(DataShard.TabletId)) 
-    { 
-    } 
- 
-    void Bootstrap() { 
-        auto opts = TPartitionWriterOpts() 
-            .WithCheckState(true) 
-            .WithAutoRegister(true); 
-        Writer = RegisterWithSameMailbox(CreatePartitionWriter(SelfId(), ShardId, PartitionId, SourceId, opts)); 
-        Become(&TThis::StateInit); 
-    } 
- 
-    STATEFN(StateBase) { 
-        switch (ev->GetTypeRewrite()) { 
-            sFunc(TEvPartitionWriter::TEvDisconnected, Leave); 
-            sFunc(TEvents::TEvPoison, PassAway); 
-        } 
-    } 
- 
-private: 
-    const TActorId Parent; 
-    const TDataShardId DataShard; 
-    const ui32 PartitionId; 
-    const ui64 ShardId; 
-    const TString SourceId; 
-    mutable TMaybe<TString> LogPrefix; 
- 
-    TActorId Writer; 
-    i64 MaxSeqNo = 0; 
-    TVector<i64> Pending; 
-    ui64 Cookie = 0; 
- 
-}; // TCdcChangeSenderPartition 
- 
-class TCdcChangeSenderMain: public TActorBootstrapped<TCdcChangeSenderMain> 
-                          , public TBaseChangeSender 
-                          , public IChangeSenderResolver 
-                          , private TSchemeCacheHelpers { 
- 
-    struct TPQPartitionInfo { 
-        ui32 PartitionId; 
-        ui64 ShardId; 
-        TPartitionKeyRange KeyRange; 
- 
-        struct TLess { 
-            TConstArrayRef<NScheme::TTypeId> Schema; 
- 
-            TLess(const TVector<NScheme::TTypeId>& schema) 
-                : Schema(schema) 
-            { 
-            } 
- 
-            bool operator()(const TPQPartitionInfo& lhs, const TPQPartitionInfo& rhs) const { 
-                Y_VERIFY(lhs.KeyRange.ToBound || rhs.KeyRange.ToBound); 
- 
-                if (!lhs.KeyRange.ToBound) { 
-                    return false; 
-                } 
- 
-                if (!rhs.KeyRange.ToBound) { 
-                    return true; 
-                } 
- 
-                Y_VERIFY(lhs.KeyRange.ToBound && rhs.KeyRange.ToBound); 
- 
-                const int compares = CompareTypedCellVectors( 
-                    lhs.KeyRange.ToBound->GetCells().data(), 
-                    rhs.KeyRange.ToBound->GetCells().data(), 
-                    Schema.data(), Schema.size() 
-                ); 
- 
-                return (compares < 0); 
-            } 
- 
-        }; // TLess 
- 
-    }; // TPQPartitionInfo 
- 
-    struct TKeyDesc { 
-        struct TPartitionInfo { 
-            ui32 PartitionId; 
-            ui64 ShardId; 
-            TSerializedCellVec EndKeyPrefix; 
-            // just a hint 
-            static constexpr bool IsInclusive = false; 
-            static constexpr bool IsPoint = false; 
- 
-            explicit TPartitionInfo(const TPQPartitionInfo& info) 
-                : PartitionId(info.PartitionId) 
-                , ShardId(info.ShardId) 
-            { 
-                if (info.KeyRange.ToBound) { 
-                    EndKeyPrefix = *info.KeyRange.ToBound; 
-                } 
-            } 
- 
-        }; // TPartitionInfo 
- 
-        TVector<NScheme::TTypeId> Schema; 
-        TVector<TPartitionInfo> Partitions; 
- 
-    }; // TKeyDesc 
- 
-    TStringBuf GetLogPrefix() const { 
-        if (!LogPrefix) { 
-            LogPrefix = TStringBuilder() 
-                << "[CdcChangeSenderMain]" 
-                << "[" << DataShard.TabletId << ":" << DataShard.Generation << "]" 
-                << SelfId() /* contains brackets */ << " "; 
-        } 
- 
-        return LogPrefix.GetRef(); 
-    } 
- 
-    bool IsResolvingCdcStream() const { 
-        return CurrentStateFunc() == static_cast<TReceiveFunc>(&TThis::StateResolveCdcStream); 
-    } 
- 
-    bool IsResolvingTopic() const { 
-        return CurrentStateFunc() == static_cast<TReceiveFunc>(&TThis::StateResolveTopic); 
-    } 
- 
-    bool IsResolving() const override { 
-        return IsResolvingCdcStream() 
-            || IsResolvingTopic(); 
-    } 
- 
-    TStringBuf CurrentStateName() const { 
-        if (IsResolvingCdcStream()) { 
-            return "ResolveCdcStream"; 
-        } else if (IsResolvingTopic()) { 
-            return "ResolveTopic"; 
-        } else { 
-            return ""; 
-        } 
-    } 
- 
-    void Retry() { 
-        Schedule(TDuration::Seconds(1), new TEvents::TEvWakeup()); 
-    } 
- 
-    void LogCritAndRetry(const TString& error) { 
-        LOG_C(error); 
-        Retry(); 
-    } 
- 
-    void LogWarnAndRetry(const TString& error) { 
-        LOG_W(error); 
-        Retry(); 
-    } 
- 
-    template <typename CheckFunc, typename FailFunc, typename T, typename... Args> 
-    bool Check(CheckFunc checkFunc, FailFunc failFunc, const T& subject, Args&&... args) { 
-        return checkFunc(CurrentStateName(), subject, std::forward<Args>(args)..., std::bind(failFunc, this, std::placeholders::_1)); 
-    } 
- 
-    bool CheckNotEmpty(const TAutoPtr<TNavigate>& result) { 
-        return Check(&TSchemeCacheHelpers::CheckNotEmpty<TNavigate>, &TThis::LogCritAndRetry, result); 
-    } 
- 
-    bool CheckEntriesCount(const TAutoPtr<TNavigate>& result, ui32 expected) { 
-        return Check(&TSchemeCacheHelpers::CheckEntriesCount<TNavigate>, &TThis::LogCritAndRetry, result, expected); 
-    } 
- 
-    bool CheckTableId(const TNavigate::TEntry& entry, const TTableId& expected) { 
-        return Check(&TSchemeCacheHelpers::CheckTableId<TNavigate::TEntry>, &TThis::LogCritAndRetry, entry, expected); 
-    } 
- 
-    bool CheckEntrySucceeded(const TNavigate::TEntry& entry) { 
-        return Check(&TSchemeCacheHelpers::CheckEntrySucceeded<TNavigate::TEntry>, &TThis::LogWarnAndRetry, entry); 
-    } 
- 
-    bool CheckEntryKind(const TNavigate::TEntry& entry, TNavigate::EKind expected) { 
-        return Check(&TSchemeCacheHelpers::CheckEntryKind<TNavigate::TEntry>, &TThis::LogWarnAndRetry, entry, expected); 
-    } 
- 
-    bool CheckNotEmpty(const TIntrusiveConstPtr<TNavigate::TPQGroupInfo>& pqInfo) { 
-        if (pqInfo) { 
-            return true; 
-        } 
- 
-        LogCritAndRetry(TStringBuilder() << "Empty pq info at '" << CurrentStateName() << "'"); 
-        return false; 
-    } 
- 
-    static TVector<ui64> MakePartitionIds(const TVector<TKeyDesc::TPartitionInfo>& partitions) { 
-        TVector<ui64> result(Reserve(partitions.size())); 
- 
-        for (const auto& partition : partitions) { 
-            result.push_back(partition.PartitionId); 
-        } 
- 
-        return result; 
-    } 
- 
-    /// ResolveCdcStream 
- 
-    void ResolveCdcStream() { 
-        auto request = MakeHolder<TNavigate>(); 
-        request->ResultSet.emplace_back(MakeNavigateEntry(PathId, TNavigate::OpList)); 
- 
-        Send(MakeSchemeCacheID(), new TEvNavigate(request.Release())); 
-        Become(&TThis::StateResolveCdcStream); 
-    } 
- 
-    STATEFN(StateResolveCdcStream) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvTxProxySchemeCache::TEvNavigateKeySetResult, HandleCdcStream); 
-            sFunc(TEvents::TEvWakeup, ResolveCdcStream); 
-        default: 
-            return StateBase(ev, TlsActivationContext->AsActorContext()); 
-        } 
-    } 
- 
-    void HandleCdcStream(TEvTxProxySchemeCache::TEvNavigateKeySetResult::TPtr& ev) { 
-        const auto& result = ev->Get()->Request; 
- 
-        LOG_D("Handle TEvTxProxySchemeCache::TEvNavigateKeySetResult" 
-            << ": result# " << (result ? result->ToString(*AppData()->TypeRegistry) : "nullptr")); 
- 
-        if (!CheckNotEmpty(result)) { 
-            return; 
-        } 
- 
-        if (!CheckEntriesCount(result, 1)) { 
-            return; 
-        } 
- 
-        const auto& entry = result->ResultSet.at(0); 
- 
-        if (!CheckTableId(entry, PathId)) { 
-            return; 
-        } 
- 
-        if (!CheckEntrySucceeded(entry)) { 
-            return; 
-        } 
- 
-        if (!CheckEntryKind(entry, TNavigate::KindCdcStream)) { 
-            return; 
-        } 
- 
-        Y_VERIFY(entry.ListNodeEntry->Children.size() == 1); 
-        const auto& topic = entry.ListNodeEntry->Children.at(0); 
- 
-        Y_VERIFY(topic.Kind == TNavigate::KindTopic); 
-        TopicPathId = topic.PathId; 
- 
-        ResolveTopic(); 
-    } 
- 
-    /// ResolveTopic 
- 
-    void ResolveTopic() { 
-        auto request = MakeHolder<TNavigate>(); 
-        request->ResultSet.emplace_back(MakeNavigateEntry(TopicPathId, TNavigate::OpTopic)); 
- 
-        Send(MakeSchemeCacheID(), new TEvNavigate(request.Release())); 
-        Become(&TThis::StateResolveTopic); 
-    } 
- 
-    STATEFN(StateResolveTopic) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvTxProxySchemeCache::TEvNavigateKeySetResult, HandleTopic); 
-            sFunc(TEvents::TEvWakeup, ResolveTopic); 
-        default: 
-            return StateBase(ev, TlsActivationContext->AsActorContext()); 
-        } 
-    } 
- 
-    void HandleTopic(TEvTxProxySchemeCache::TEvNavigateKeySetResult::TPtr& ev) { 
-        const auto& result = ev->Get()->Request; 
- 
-        LOG_D("Handle TEvTxProxySchemeCache::TEvNavigateKeySetResult" 
-            << ": result# " << (result ? result->ToString(*AppData()->TypeRegistry) : "nullptr")); 
- 
-        if (!CheckNotEmpty(result)) { 
-            return; 
-        } 
- 
-        if (!CheckEntriesCount(result, 1)) { 
-            return; 
-        } 
- 
-        const auto& entry = result->ResultSet.at(0); 
- 
-        if (!CheckTableId(entry, TopicPathId)) { 
-            return; 
-        } 
- 
-        if (!CheckEntrySucceeded(entry)) { 
-            return; 
-        } 
- 
-        if (!CheckEntryKind(entry, TNavigate::KindTopic)) { 
-            return; 
-        } 
- 
-        if (!CheckNotEmpty(entry.PQGroupInfo)) { 
-            return; 
-        } 
- 
-        const auto& pqDesc = entry.PQGroupInfo->Description; 
-        const auto& pqConfig = pqDesc.GetPQTabletConfig(); 
- 
-        KeyDesc = MakeHolder<TKeyDesc>(); 
-        PartitionToShard.clear(); 
- 
-        KeyDesc->Schema.reserve(pqConfig.PartitionKeySchemaSize()); 
-        for (const auto& keySchema : pqConfig.GetPartitionKeySchema()) { 
-            KeyDesc->Schema.push_back(keySchema.GetTypeId()); 
-        } 
- 
-        TSet<TPQPartitionInfo, TPQPartitionInfo::TLess> partitions(KeyDesc->Schema); 
-        THashSet<ui64> shards; 
- 
-        for (const auto& partition : pqDesc.GetPartitions()) { 
-            const auto partitionId = partition.GetPartitionId(); 
-            const auto shardId = partition.GetTabletId(); 
- 
-            PartitionToShard.emplace(partitionId, shardId); 
- 
-            auto keyRange = TPartitionKeyRange::Parse(partition.GetKeyRange()); 
-            Y_VERIFY(!keyRange.FromBound || keyRange.FromBound->GetCells().size() == KeyDesc->Schema.size()); 
-            Y_VERIFY(!keyRange.ToBound || keyRange.ToBound->GetCells().size() == KeyDesc->Schema.size()); 
- 
-            partitions.insert({partitionId, shardId, std::move(keyRange)}); 
-            shards.insert(shardId); 
-        } 
- 
-        // used to validate 
-        bool isFirst = true; 
-        const TPQPartitionInfo* prev = nullptr; 
- 
-        KeyDesc->Partitions.reserve(partitions.size()); 
-        for (const auto& cur : partitions) { 
-            if (isFirst) { 
-                isFirst = false; 
-                Y_VERIFY(!cur.KeyRange.FromBound.Defined()); 
-            } else { 
-                Y_VERIFY(cur.KeyRange.FromBound.Defined()); 
-                Y_VERIFY(prev); 
-                Y_VERIFY(prev->KeyRange.ToBound.Defined()); 
-                // TODO: compare cells 
-            } 
- 
-            KeyDesc->Partitions.emplace_back(cur); 
-            prev = &cur; 
-        } 
- 
-        if (prev) { 
-            Y_VERIFY(!prev->KeyRange.ToBound.Defined()); 
-        } 
- 
-        CreateSenders(MakePartitionIds(KeyDesc->Partitions)); 
-        Become(&TThis::StateMain); 
-    } 
- 
-    /// Main 
- 
-    STATEFN(StateMain) { 
-        return StateBase(ev, TlsActivationContext->AsActorContext()); 
-    } 
- 
-    void Resolve() override { 
-        ResolveTopic(); 
-    } 
- 
-    bool IsResolved() const override { 
-        return KeyDesc && KeyDesc->Partitions; 
-    } 
- 
-    ui64 GetPartitionId(TConstArrayRef<TCell> key) const override { 
-        Y_VERIFY(KeyDesc); 
-        Y_VERIFY(KeyDesc->Partitions); 
- 
-        const auto range = TTableRange(key); 
-        Y_VERIFY(range.Point); 
- 
-        TVector<TKeyDesc::TPartitionInfo>::const_iterator it = LowerBound( 
-            KeyDesc->Partitions.begin(), KeyDesc->Partitions.end(), true, 
-            [&](const TKeyDesc::TPartitionInfo& partition, bool) { 
-                const int compares = CompareBorders<true, false>( 
-                    partition.EndKeyPrefix.GetCells(), range.From, 
-                    partition.IsInclusive || partition.IsPoint, 
-                    range.InclusiveFrom || range.Point, KeyDesc->Schema 
-                ); 
- 
-                return (compares < 0); 
-            } 
-        ); 
- 
-        Y_VERIFY(it != KeyDesc->Partitions.end()); 
-        return it->PartitionId; 
-    } 
- 
-    IActor* CreateSender(ui64 partitionId) override { 
-        Y_VERIFY(PartitionToShard.contains(partitionId)); 
-        const auto shardId = PartitionToShard.at(partitionId); 
-        return new TCdcChangeSenderPartition(SelfId(), DataShard, partitionId, shardId); 
-    } 
- 
-    void Handle(TEvChangeExchange::TEvEnqueueRecords::TPtr& ev) { 
-        LOG_D("Handle " << ev->Get()->ToString()); 
-        EnqueueRecords(std::move(ev->Get()->Records)); 
-    } 
- 
-    void Handle(TEvChangeExchange::TEvRecords::TPtr& ev) { 
-        LOG_D("Handle " << ev->Get()->ToString()); 
-        ProcessRecords(std::move(ev->Get()->Records)); 
-    } 
- 
-    void Handle(TEvChangeExchange::TEvForgetRecords::TPtr& ev) { 
-        LOG_D("Handle " << ev->Get()->ToString()); 
-        ForgetRecords(std::move(ev->Get()->Records)); 
-    } 
- 
-    void Handle(TEvChangeExchangePrivate::TEvReady::TPtr& ev) { 
-        LOG_D("Handle " << ev->Get()->ToString()); 
-        OnReady(ev->Get()->PartitionId); 
-    } 
- 
-    void Handle(TEvChangeExchangePrivate::TEvGone::TPtr& ev) { 
-        LOG_D("Handle " << ev->Get()->ToString()); 
-        OnGone(ev->Get()->PartitionId); 
-    } 
- 
-    void Handle(TEvChangeExchange::TEvRemoveSender::TPtr& ev) { 
-        LOG_D("Handle " << ev->Get()->ToString()); 
-        Y_VERIFY(ev->Get()->PathId == PathId); 
- 
-        RemoveRecords(); 
-        PassAway(); 
-    } 
- 
-    void PassAway() override { 
-        KillSenders(); 
-        TActorBootstrapped::PassAway(); 
-    } 
- 
-public: 
-    static constexpr NKikimrServices::TActivity::EType ActorActivityType() { 
-        return NKikimrServices::TActivity::CHANGE_SENDER_CDC_ACTOR_MAIN; 
-    } 
- 
-    explicit TCdcChangeSenderMain(const TDataShardId& dataShard, const TPathId& streamPathId) 
-        : TActorBootstrapped() 
-        , TBaseChangeSender(this, this, dataShard, streamPathId) 
-    { 
-    } 
- 
-    void Bootstrap() { 
-        ResolveCdcStream(); 
-    } 
- 
-    STATEFN(StateBase) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvChangeExchange::TEvEnqueueRecords, Handle); 
-            hFunc(TEvChangeExchange::TEvRecords, Handle); 
-            hFunc(TEvChangeExchange::TEvForgetRecords, Handle); 
-            hFunc(TEvChangeExchange::TEvRemoveSender, Handle); 
-            hFunc(TEvChangeExchangePrivate::TEvReady, Handle); 
-            hFunc(TEvChangeExchangePrivate::TEvGone, Handle); 
-            sFunc(TEvents::TEvPoison, PassAway); 
-        } 
-    } 
- 
-private: 
-    mutable TMaybe<TString> LogPrefix; 
- 
-    TPathId TopicPathId; 
-    THolder<TKeyDesc> KeyDesc; 
-    THashMap<ui32, ui64> PartitionToShard; 
- 
-}; // TCdcChangeSenderMain 
- 
-IActor* CreateCdcStreamChangeSender(const TDataShardId& dataShard, const TPathId& streamPathId) { 
-    return new TCdcChangeSenderMain(dataShard, streamPathId); 
-} 
- 
-} // NDataShard 
-} // NKikimr 
+
+namespace NKikimr {
+namespace NDataShard {
+
+using namespace NPQ;
+
+class TCdcChangeSenderPartition: public TActorBootstrapped<TCdcChangeSenderPartition> {
+    static constexpr auto CodecRaw = 1;
+
+    TStringBuf GetLogPrefix() const {
+        if (!LogPrefix) {
+            LogPrefix = TStringBuilder()
+                << "[CdcChangeSenderPartition]"
+                << "[" << DataShard.TabletId << ":" << DataShard.Generation << "]"
+                << "[" << PartitionId << "]"
+                << "[" << ShardId << "]"
+                << SelfId() /* contains brackets */ << " ";
+        }
+
+        return LogPrefix.GetRef();
+    }
+
+    /// Init
+
+    STATEFN(StateInit) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvPartitionWriter::TEvInitResult, Handle);
+        default:
+            return StateBase(ev, TlsActivationContext->AsActorContext());
+        }
+    }
+
+    void Handle(TEvPartitionWriter::TEvInitResult::TPtr& ev) {
+        LOG_D("Handle " << ev->Get()->ToString());
+
+        const auto& result = *ev->Get();
+        if (!result.IsSuccess()) {
+            LOG_E("Error at 'Init'"
+                << ": reason# " << result.GetError().Reason);
+            return Leave();
+        }
+
+        const auto& info = result.GetResult().SourceIdInfo;
+        Y_VERIFY(info.GetExplicit());
+
+        MaxSeqNo = info.GetSeqNo();
+        Ready();
+    }
+
+    void Ready() {
+        Pending.clear();
+
+        Send(Parent, new TEvChangeExchangePrivate::TEvReady(PartitionId));
+        Become(&TThis::StateWaitingRecords);
+    }
+
+    /// WaitingRecords
+
+    STATEFN(StateWaitingRecords) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvChangeExchange::TEvRecords, Handle);
+        default:
+            return StateBase(ev, TlsActivationContext->AsActorContext());
+        }
+    }
+
+    void Handle(TEvChangeExchange::TEvRecords::TPtr& ev) {
+        LOG_D("Handle " << ev->Get()->ToString());
+        NKikimrClient::TPersQueueRequest request;
+
+        for (const auto& record : ev->Get()->Records) {
+            if (record.GetSeqNo() <= MaxSeqNo) {
+                continue;
+            }
+
+            const auto createdAt = TInstant::FromValue(record.GetGroup());
+
+            NKikimrChangeExchange::TChangeRecord protoRecord;
+            record.SerializeTo(protoRecord);
+
+            NKikimrPQClient::TDataChunk data;
+            data.SetSeqNo(record.GetSeqNo());
+            data.SetCreateTime(createdAt.MilliSeconds());
+            data.SetCodec(CodecRaw);
+            data.SetData(protoRecord.SerializeAsString());
+            // TODO: meta?
+
+            auto& cmd = *request.MutablePartitionRequest()->AddCmdWrite();
+            cmd.SetSeqNo(record.GetSeqNo());
+            cmd.SetSourceId(NSourceIdEncoding::EncodeSimple(SourceId));
+            cmd.SetCreateTimeMS(createdAt.MilliSeconds());
+            cmd.SetData(data.SerializeAsString());
+
+            Pending.push_back(record.GetSeqNo());
+        }
+
+        if (!Pending) {
+            return Ready();
+        }
+
+        Write(std::move(request));
+    }
+
+    /// Write
+
+    void Write(NKikimrClient::TPersQueueRequest&& request) {
+        auto ev = MakeHolder<TEvPartitionWriter::TEvWriteRequest>(++Cookie);
+        ev->Record = std::move(request);
+
+        Send(Writer, std::move(ev));
+        Become(&TThis::StateWrite);
+    }
+
+    STATEFN(StateWrite) {
+        switch (ev->GetTypeRewrite()) {
+            IgnoreFunc(TEvPartitionWriter::TEvWriteAccepted);
+            hFunc(TEvPartitionWriter::TEvWriteResponse, Handle);
+        default:
+            return StateBase(ev, TlsActivationContext->AsActorContext());
+        }
+    }
+
+    void Handle(TEvPartitionWriter::TEvWriteResponse::TPtr& ev) {
+        LOG_D("Handle " << ev->Get()->ToString());
+
+        const auto& result = *ev->Get();
+        if (!result.IsSuccess()) {
+            LOG_E("Error at 'Write"
+                << ": reason# " << result.GetError().Reason);
+            return Leave();
+        }
+
+        const auto& response = result.Record.GetPartitionResponse();
+        if (response.GetCookie() != Cookie) {
+            LOG_E("Cookie mismatch"
+                << ": expected# " << Cookie
+                << ", got# " << response.GetCookie());
+            return Leave();
+        }
+
+        if (response.CmdWriteResultSize() != Pending.size()) {
+            LOG_E("Write result size mismatch"
+                << ": expected# " << Pending.size()
+                << ", got# " << response.CmdWriteResultSize());
+            return Leave();
+        }
+
+        for (ui32 i = 0; i < Pending.size(); ++i) {
+            const auto expected = Pending.at(i);
+            const auto got = response.GetCmdWriteResult(i).GetSeqNo();
+
+            if (expected == got) {
+                MaxSeqNo = Max(MaxSeqNo, got);
+                continue;
+            }
+
+            LOG_E("SeqNo mismatch"
+                << ": expected# " << expected
+                << ", got# " << got);
+            return Leave();
+        }
+
+        Ready();
+    }
+
+    void Leave() {
+        Send(Parent, new TEvChangeExchangePrivate::TEvGone(PartitionId));
+        PassAway();
+    }
+
+    void PassAway() override {
+        if (Writer) {
+            Send(Writer, new TEvents::TEvPoisonPill());
+        }
+
+        TActorBootstrapped::PassAway();
+    }
+
+public:
+    static constexpr NKikimrServices::TActivity::EType ActorActivityType() {
+        return NKikimrServices::TActivity::CHANGE_SENDER_CDC_ACTOR_PARTITION;
+    }
+
+    explicit TCdcChangeSenderPartition(const TActorId& parent, const TDataShardId& dataShard, ui32 partitionId, ui64 shardId)
+        : Parent(parent)
+        , DataShard(dataShard)
+        , PartitionId(partitionId)
+        , ShardId(shardId)
+        , SourceId(ToString(DataShard.TabletId))
+    {
+    }
+
+    void Bootstrap() {
+        auto opts = TPartitionWriterOpts()
+            .WithCheckState(true)
+            .WithAutoRegister(true);
+        Writer = RegisterWithSameMailbox(CreatePartitionWriter(SelfId(), ShardId, PartitionId, SourceId, opts));
+        Become(&TThis::StateInit);
+    }
+
+    STATEFN(StateBase) {
+        switch (ev->GetTypeRewrite()) {
+            sFunc(TEvPartitionWriter::TEvDisconnected, Leave);
+            sFunc(TEvents::TEvPoison, PassAway);
+        }
+    }
+
+private:
+    const TActorId Parent;
+    const TDataShardId DataShard;
+    const ui32 PartitionId;
+    const ui64 ShardId;
+    const TString SourceId;
+    mutable TMaybe<TString> LogPrefix;
+
+    TActorId Writer;
+    i64 MaxSeqNo = 0;
+    TVector<i64> Pending;
+    ui64 Cookie = 0;
+
+}; // TCdcChangeSenderPartition
+
+class TCdcChangeSenderMain: public TActorBootstrapped<TCdcChangeSenderMain>
+                          , public TBaseChangeSender
+                          , public IChangeSenderResolver
+                          , private TSchemeCacheHelpers {
+
+    struct TPQPartitionInfo {
+        ui32 PartitionId;
+        ui64 ShardId;
+        TPartitionKeyRange KeyRange;
+
+        struct TLess {
+            TConstArrayRef<NScheme::TTypeId> Schema;
+
+            TLess(const TVector<NScheme::TTypeId>& schema)
+                : Schema(schema)
+            {
+            }
+
+            bool operator()(const TPQPartitionInfo& lhs, const TPQPartitionInfo& rhs) const {
+                Y_VERIFY(lhs.KeyRange.ToBound || rhs.KeyRange.ToBound);
+
+                if (!lhs.KeyRange.ToBound) {
+                    return false;
+                }
+
+                if (!rhs.KeyRange.ToBound) {
+                    return true;
+                }
+
+                Y_VERIFY(lhs.KeyRange.ToBound && rhs.KeyRange.ToBound);
+
+                const int compares = CompareTypedCellVectors(
+                    lhs.KeyRange.ToBound->GetCells().data(),
+                    rhs.KeyRange.ToBound->GetCells().data(),
+                    Schema.data(), Schema.size()
+                );
+
+                return (compares < 0);
+            }
+
+        }; // TLess
+
+    }; // TPQPartitionInfo
+
+    struct TKeyDesc {
+        struct TPartitionInfo {
+            ui32 PartitionId;
+            ui64 ShardId;
+            TSerializedCellVec EndKeyPrefix;
+            // just a hint
+            static constexpr bool IsInclusive = false;
+            static constexpr bool IsPoint = false;
+
+            explicit TPartitionInfo(const TPQPartitionInfo& info)
+                : PartitionId(info.PartitionId)
+                , ShardId(info.ShardId)
+            {
+                if (info.KeyRange.ToBound) {
+                    EndKeyPrefix = *info.KeyRange.ToBound;
+                }
+            }
+
+        }; // TPartitionInfo
+
+        TVector<NScheme::TTypeId> Schema;
+        TVector<TPartitionInfo> Partitions;
+
+    }; // TKeyDesc
+
+    TStringBuf GetLogPrefix() const {
+        if (!LogPrefix) {
+            LogPrefix = TStringBuilder()
+                << "[CdcChangeSenderMain]"
+                << "[" << DataShard.TabletId << ":" << DataShard.Generation << "]"
+                << SelfId() /* contains brackets */ << " ";
+        }
+
+        return LogPrefix.GetRef();
+    }
+
+    bool IsResolvingCdcStream() const {
+        return CurrentStateFunc() == static_cast<TReceiveFunc>(&TThis::StateResolveCdcStream);
+    }
+
+    bool IsResolvingTopic() const {
+        return CurrentStateFunc() == static_cast<TReceiveFunc>(&TThis::StateResolveTopic);
+    }
+
+    bool IsResolving() const override {
+        return IsResolvingCdcStream()
+            || IsResolvingTopic();
+    }
+
+    TStringBuf CurrentStateName() const {
+        if (IsResolvingCdcStream()) {
+            return "ResolveCdcStream";
+        } else if (IsResolvingTopic()) {
+            return "ResolveTopic";
+        } else {
+            return "";
+        }
+    }
+
+    void Retry() {
+        Schedule(TDuration::Seconds(1), new TEvents::TEvWakeup());
+    }
+
+    void LogCritAndRetry(const TString& error) {
+        LOG_C(error);
+        Retry();
+    }
+
+    void LogWarnAndRetry(const TString& error) {
+        LOG_W(error);
+        Retry();
+    }
+
+    template <typename CheckFunc, typename FailFunc, typename T, typename... Args>
+    bool Check(CheckFunc checkFunc, FailFunc failFunc, const T& subject, Args&&... args) {
+        return checkFunc(CurrentStateName(), subject, std::forward<Args>(args)..., std::bind(failFunc, this, std::placeholders::_1));
+    }
+
+    bool CheckNotEmpty(const TAutoPtr<TNavigate>& result) {
+        return Check(&TSchemeCacheHelpers::CheckNotEmpty<TNavigate>, &TThis::LogCritAndRetry, result);
+    }
+
+    bool CheckEntriesCount(const TAutoPtr<TNavigate>& result, ui32 expected) {
+        return Check(&TSchemeCacheHelpers::CheckEntriesCount<TNavigate>, &TThis::LogCritAndRetry, result, expected);
+    }
+
+    bool CheckTableId(const TNavigate::TEntry& entry, const TTableId& expected) {
+        return Check(&TSchemeCacheHelpers::CheckTableId<TNavigate::TEntry>, &TThis::LogCritAndRetry, entry, expected);
+    }
+
+    bool CheckEntrySucceeded(const TNavigate::TEntry& entry) {
+        return Check(&TSchemeCacheHelpers::CheckEntrySucceeded<TNavigate::TEntry>, &TThis::LogWarnAndRetry, entry);
+    }
+
+    bool CheckEntryKind(const TNavigate::TEntry& entry, TNavigate::EKind expected) {
+        return Check(&TSchemeCacheHelpers::CheckEntryKind<TNavigate::TEntry>, &TThis::LogWarnAndRetry, entry, expected);
+    }
+
+    bool CheckNotEmpty(const TIntrusiveConstPtr<TNavigate::TPQGroupInfo>& pqInfo) {
+        if (pqInfo) {
+            return true;
+        }
+
+        LogCritAndRetry(TStringBuilder() << "Empty pq info at '" << CurrentStateName() << "'");
+        return false;
+    }
+
+    static TVector<ui64> MakePartitionIds(const TVector<TKeyDesc::TPartitionInfo>& partitions) {
+        TVector<ui64> result(Reserve(partitions.size()));
+
+        for (const auto& partition : partitions) {
+            result.push_back(partition.PartitionId);
+        }
+
+        return result;
+    }
+
+    /// ResolveCdcStream
+
+    void ResolveCdcStream() {
+        auto request = MakeHolder<TNavigate>();
+        request->ResultSet.emplace_back(MakeNavigateEntry(PathId, TNavigate::OpList));
+
+        Send(MakeSchemeCacheID(), new TEvNavigate(request.Release()));
+        Become(&TThis::StateResolveCdcStream);
+    }
+
+    STATEFN(StateResolveCdcStream) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvTxProxySchemeCache::TEvNavigateKeySetResult, HandleCdcStream);
+            sFunc(TEvents::TEvWakeup, ResolveCdcStream);
+        default:
+            return StateBase(ev, TlsActivationContext->AsActorContext());
+        }
+    }
+
+    void HandleCdcStream(TEvTxProxySchemeCache::TEvNavigateKeySetResult::TPtr& ev) {
+        const auto& result = ev->Get()->Request;
+
+        LOG_D("Handle TEvTxProxySchemeCache::TEvNavigateKeySetResult"
+            << ": result# " << (result ? result->ToString(*AppData()->TypeRegistry) : "nullptr"));
+
+        if (!CheckNotEmpty(result)) {
+            return;
+        }
+
+        if (!CheckEntriesCount(result, 1)) {
+            return;
+        }
+
+        const auto& entry = result->ResultSet.at(0);
+
+        if (!CheckTableId(entry, PathId)) {
+            return;
+        }
+
+        if (!CheckEntrySucceeded(entry)) {
+            return;
+        }
+
+        if (!CheckEntryKind(entry, TNavigate::KindCdcStream)) {
+            return;
+        }
+
+        Y_VERIFY(entry.ListNodeEntry->Children.size() == 1);
+        const auto& topic = entry.ListNodeEntry->Children.at(0);
+
+        Y_VERIFY(topic.Kind == TNavigate::KindTopic);
+        TopicPathId = topic.PathId;
+
+        ResolveTopic();
+    }
+
+    /// ResolveTopic
+
+    void ResolveTopic() {
+        auto request = MakeHolder<TNavigate>();
+        request->ResultSet.emplace_back(MakeNavigateEntry(TopicPathId, TNavigate::OpTopic));
+
+        Send(MakeSchemeCacheID(), new TEvNavigate(request.Release()));
+        Become(&TThis::StateResolveTopic);
+    }
+
+    STATEFN(StateResolveTopic) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvTxProxySchemeCache::TEvNavigateKeySetResult, HandleTopic);
+            sFunc(TEvents::TEvWakeup, ResolveTopic);
+        default:
+            return StateBase(ev, TlsActivationContext->AsActorContext());
+        }
+    }
+
+    void HandleTopic(TEvTxProxySchemeCache::TEvNavigateKeySetResult::TPtr& ev) {
+        const auto& result = ev->Get()->Request;
+
+        LOG_D("Handle TEvTxProxySchemeCache::TEvNavigateKeySetResult"
+            << ": result# " << (result ? result->ToString(*AppData()->TypeRegistry) : "nullptr"));
+
+        if (!CheckNotEmpty(result)) {
+            return;
+        }
+
+        if (!CheckEntriesCount(result, 1)) {
+            return;
+        }
+
+        const auto& entry = result->ResultSet.at(0);
+
+        if (!CheckTableId(entry, TopicPathId)) {
+            return;
+        }
+
+        if (!CheckEntrySucceeded(entry)) {
+            return;
+        }
+
+        if (!CheckEntryKind(entry, TNavigate::KindTopic)) {
+            return;
+        }
+
+        if (!CheckNotEmpty(entry.PQGroupInfo)) {
+            return;
+        }
+
+        const auto& pqDesc = entry.PQGroupInfo->Description;
+        const auto& pqConfig = pqDesc.GetPQTabletConfig();
+
+        KeyDesc = MakeHolder<TKeyDesc>();
+        PartitionToShard.clear();
+
+        KeyDesc->Schema.reserve(pqConfig.PartitionKeySchemaSize());
+        for (const auto& keySchema : pqConfig.GetPartitionKeySchema()) {
+            KeyDesc->Schema.push_back(keySchema.GetTypeId());
+        }
+
+        TSet<TPQPartitionInfo, TPQPartitionInfo::TLess> partitions(KeyDesc->Schema);
+        THashSet<ui64> shards;
+
+        for (const auto& partition : pqDesc.GetPartitions()) {
+            const auto partitionId = partition.GetPartitionId();
+            const auto shardId = partition.GetTabletId();
+
+            PartitionToShard.emplace(partitionId, shardId);
+
+            auto keyRange = TPartitionKeyRange::Parse(partition.GetKeyRange());
+            Y_VERIFY(!keyRange.FromBound || keyRange.FromBound->GetCells().size() == KeyDesc->Schema.size());
+            Y_VERIFY(!keyRange.ToBound || keyRange.ToBound->GetCells().size() == KeyDesc->Schema.size());
+
+            partitions.insert({partitionId, shardId, std::move(keyRange)});
+            shards.insert(shardId);
+        }
+
+        // used to validate
+        bool isFirst = true;
+        const TPQPartitionInfo* prev = nullptr;
+
+        KeyDesc->Partitions.reserve(partitions.size());
+        for (const auto& cur : partitions) {
+            if (isFirst) {
+                isFirst = false;
+                Y_VERIFY(!cur.KeyRange.FromBound.Defined());
+            } else {
+                Y_VERIFY(cur.KeyRange.FromBound.Defined());
+                Y_VERIFY(prev);
+                Y_VERIFY(prev->KeyRange.ToBound.Defined());
+                // TODO: compare cells
+            }
+
+            KeyDesc->Partitions.emplace_back(cur);
+            prev = &cur;
+        }
+
+        if (prev) {
+            Y_VERIFY(!prev->KeyRange.ToBound.Defined());
+        }
+
+        CreateSenders(MakePartitionIds(KeyDesc->Partitions));
+        Become(&TThis::StateMain);
+    }
+
+    /// Main
+
+    STATEFN(StateMain) {
+        return StateBase(ev, TlsActivationContext->AsActorContext());
+    }
+
+    void Resolve() override {
+        ResolveTopic();
+    }
+
+    bool IsResolved() const override {
+        return KeyDesc && KeyDesc->Partitions;
+    }
+
+    ui64 GetPartitionId(TConstArrayRef<TCell> key) const override {
+        Y_VERIFY(KeyDesc);
+        Y_VERIFY(KeyDesc->Partitions);
+
+        const auto range = TTableRange(key);
+        Y_VERIFY(range.Point);
+
+        TVector<TKeyDesc::TPartitionInfo>::const_iterator it = LowerBound(
+            KeyDesc->Partitions.begin(), KeyDesc->Partitions.end(), true,
+            [&](const TKeyDesc::TPartitionInfo& partition, bool) {
+                const int compares = CompareBorders<true, false>(
+                    partition.EndKeyPrefix.GetCells(), range.From,
+                    partition.IsInclusive || partition.IsPoint,
+                    range.InclusiveFrom || range.Point, KeyDesc->Schema
+                );
+
+                return (compares < 0);
+            }
+        );
+
+        Y_VERIFY(it != KeyDesc->Partitions.end());
+        return it->PartitionId;
+    }
+
+    IActor* CreateSender(ui64 partitionId) override {
+        Y_VERIFY(PartitionToShard.contains(partitionId));
+        const auto shardId = PartitionToShard.at(partitionId);
+        return new TCdcChangeSenderPartition(SelfId(), DataShard, partitionId, shardId);
+    }
+
+    void Handle(TEvChangeExchange::TEvEnqueueRecords::TPtr& ev) {
+        LOG_D("Handle " << ev->Get()->ToString());
+        EnqueueRecords(std::move(ev->Get()->Records));
+    }
+
+    void Handle(TEvChangeExchange::TEvRecords::TPtr& ev) {
+        LOG_D("Handle " << ev->Get()->ToString());
+        ProcessRecords(std::move(ev->Get()->Records));
+    }
+
+    void Handle(TEvChangeExchange::TEvForgetRecords::TPtr& ev) {
+        LOG_D("Handle " << ev->Get()->ToString());
+        ForgetRecords(std::move(ev->Get()->Records));
+    }
+
+    void Handle(TEvChangeExchangePrivate::TEvReady::TPtr& ev) {
+        LOG_D("Handle " << ev->Get()->ToString());
+        OnReady(ev->Get()->PartitionId);
+    }
+
+    void Handle(TEvChangeExchangePrivate::TEvGone::TPtr& ev) {
+        LOG_D("Handle " << ev->Get()->ToString());
+        OnGone(ev->Get()->PartitionId);
+    }
+
+    void Handle(TEvChangeExchange::TEvRemoveSender::TPtr& ev) {
+        LOG_D("Handle " << ev->Get()->ToString());
+        Y_VERIFY(ev->Get()->PathId == PathId);
+
+        RemoveRecords();
+        PassAway();
+    }
+
+    void PassAway() override {
+        KillSenders();
+        TActorBootstrapped::PassAway();
+    }
+
+public:
+    static constexpr NKikimrServices::TActivity::EType ActorActivityType() {
+        return NKikimrServices::TActivity::CHANGE_SENDER_CDC_ACTOR_MAIN;
+    }
+
+    explicit TCdcChangeSenderMain(const TDataShardId& dataShard, const TPathId& streamPathId)
+        : TActorBootstrapped()
+        , TBaseChangeSender(this, this, dataShard, streamPathId)
+    {
+    }
+
+    void Bootstrap() {
+        ResolveCdcStream();
+    }
+
+    STATEFN(StateBase) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvChangeExchange::TEvEnqueueRecords, Handle);
+            hFunc(TEvChangeExchange::TEvRecords, Handle);
+            hFunc(TEvChangeExchange::TEvForgetRecords, Handle);
+            hFunc(TEvChangeExchange::TEvRemoveSender, Handle);
+            hFunc(TEvChangeExchangePrivate::TEvReady, Handle);
+            hFunc(TEvChangeExchangePrivate::TEvGone, Handle);
+            sFunc(TEvents::TEvPoison, PassAway);
+        }
+    }
+
+private:
+    mutable TMaybe<TString> LogPrefix;
+
+    TPathId TopicPathId;
+    THolder<TKeyDesc> KeyDesc;
+    THashMap<ui32, ui64> PartitionToShard;
+
+}; // TCdcChangeSenderMain
+
+IActor* CreateCdcStreamChangeSender(const TDataShardId& dataShard, const TPathId& streamPathId) {
+    return new TCdcChangeSenderMain(dataShard, streamPathId);
+}
+
+} // NDataShard
+} // NKikimr
diff --git a/ydb/core/tx/datashard/change_sender_common_ops.cpp b/ydb/core/tx/datashard/change_sender_common_ops.cpp
index 4d869ae927..f7d4456da4 100644
--- a/ydb/core/tx/datashard/change_sender_common_ops.cpp
+++ b/ydb/core/tx/datashard/change_sender_common_ops.cpp
@@ -1,252 +1,252 @@
-#include "change_sender_common_ops.h" 
- 
-#include <util/generic/size_literals.h> 
- 
-namespace NKikimr { 
-namespace NDataShard { 
- 
-void TBaseChangeSender::CreateSenders(const TVector<ui64>& partitionIds) { 
-    THashMap<ui64, TSender> senders; 
- 
-    for (const auto& partitionId : partitionIds) { 
-        auto it = Senders.find(partitionId); 
-        if (it != Senders.end()) { 
-            senders.emplace(partitionId, std::move(it->second)); 
-            Senders.erase(it); 
-        } else { 
-            Y_VERIFY(!senders.contains(partitionId)); 
-            auto& sender = senders[partitionId]; 
-            sender.ActorId = ActorOps->Register(CreateSender(partitionId)); 
-        } 
-    } 
- 
-    for (const auto& [_, sender] : Senders) { 
-        ActorOps->Send(sender.ActorId, new TEvents::TEvPoisonPill()); 
-    } 
- 
-    Senders = std::move(senders); 
- 
-    SendRecords(); 
-} 
- 
-void TBaseChangeSender::KillSenders() { 
-    for (const auto& [_, sender] : Senders) { 
-        ActorOps->Send(sender.ActorId, new TEvents::TEvPoisonPill()); 
-    } 
- 
-    Senders.clear(); 
-} 
- 
-void TBaseChangeSender::EnqueueRecords(TVector<TEvChangeExchange::TEvEnqueueRecords::TRecordInfo>&& records) { 
-    for (auto& record : records) { 
-        Y_VERIFY_S(PathId == record.PathId, "Unexpected record's path id" 
-            << ": expected# " << PathId 
-            << ", got# " << record.PathId); 
-        Enqueued.emplace(record.Order, record.BodySize); 
-    } 
- 
-    RequestRecords(); 
-} 
- 
-void TBaseChangeSender::RequestRecords() { 
-    if (!Enqueued) { 
-        return; 
-    } 
- 
-    auto it = Enqueued.begin(); 
-    TVector<TRequestedRecord> records; 
- 
-    while (it != Enqueued.end()) { 
-        if (MemUsage && (MemUsage + it->BodySize) > MemLimit) { 
-            break; 
-        } 
- 
-        MemUsage += it->BodySize; 
- 
-        records.emplace_back(it->Order, it->BodySize); 
-        PendingBody.emplace(it->Order, it->BodySize); 
-        it = Enqueued.erase(it); 
-    } 
- 
-    if (!records) { 
-        return; 
-    } 
- 
-    ActorOps->Send(DataShard.ActorId, new TEvChangeExchange::TEvRequestRecords(std::move(records))); 
-} 
- 
-void TBaseChangeSender::ProcessRecords(TVector<TChangeRecord>&& records) { 
-    for (auto& record : records) { 
-        auto it = PendingBody.find(record.GetOrder()); 
-        if (it == PendingBody.end()) { 
-            continue; 
-        } 
- 
-        if (it->BodySize != record.GetBody().size()) { 
-            MemUsage -= it->BodySize; 
-            MemUsage += record.GetBody().size(); 
-        } 
- 
-        PendingSent.emplace(record.GetOrder(), std::move(record)); 
-        PendingBody.erase(it); 
-    } 
- 
-    SendRecords(); 
-} 
- 
-void TBaseChangeSender::SendRecords() { 
-    if (!Resolver->IsResolved()) { 
-        return; 
-    } 
- 
-    if (!PendingSent) { 
-        return; 
-    } 
- 
-    auto it = PendingSent.begin(); 
-    THashMap<ui64, TVector<TChangeRecord>> forward; 
-    bool needToResolve = false; 
- 
-    while (it != PendingSent.end()) { 
-        const ui64 partitionId = Resolver->GetPartitionId(it->second.GetKey()); 
-        if (!Senders.contains(partitionId)) { 
-            needToResolve = true; 
-            ++it; 
-            continue; 
-        } 
- 
-        const auto& sender = Senders.at(partitionId); 
-        if (!sender.Ready) { 
-            ++it; 
-            continue; 
-        } 
- 
-        MemUsage -= it->second.GetBody().size(); 
- 
-        forward[partitionId].push_back(std::move(it->second)); 
-        it = PendingSent.erase(it); 
-    } 
- 
-    for (auto& [partitionId, records] : forward) { 
-        Y_VERIFY(Senders.contains(partitionId)); 
-        auto& sender = Senders.at(partitionId); 
- 
-        Y_VERIFY(sender.Ready); 
-        sender.Ready = false; 
- 
-        sender.Pending.reserve(records.size()); 
-        for (const auto& record : records) { 
-            sender.Pending.emplace_back(record.GetOrder(), record.GetBody().size()); 
-        } 
- 
-        ActorOps->Send(sender.ActorId, new TEvChangeExchange::TEvRecords(std::move(records))); 
-    } 
- 
-    if (needToResolve && !Resolver->IsResolving()) { 
-        Resolver->Resolve(); 
-    } 
- 
-    RequestRecords(); 
-} 
- 
-void TBaseChangeSender::ForgetRecords(TVector<ui64>&& records) { 
-    for (const auto& record : records) { 
-        auto it = PendingBody.find(record); 
-        if (it == PendingBody.end()) { 
-            continue; 
-        } 
- 
-        MemUsage -= it->BodySize; 
-        PendingBody.erase(it); 
-    } 
- 
-    RequestRecords(); 
-} 
- 
-void TBaseChangeSender::OnReady(ui64 partitionId) { 
-    auto it = Senders.find(partitionId); 
-    if (it == Senders.end()) { 
-        return; 
-    } 
- 
-    auto& sender = it->second; 
-    sender.Ready = true; 
- 
-    if (sender.Pending) { 
-        TVector<ui64> remove(Reserve(sender.Pending.size())); 
-        for (const auto& record : sender.Pending) { 
-            remove.push_back(record.Order); 
-        } 
- 
-        ActorOps->Send(DataShard.ActorId, new TEvChangeExchange::TEvRemoveRecords(std::move(remove))); 
-        sender.Pending.clear(); 
-    } 
- 
-    SendRecords(); 
-} 
- 
-void TBaseChangeSender::OnGone(ui64 partitionId) { 
-    auto it = Senders.find(partitionId); 
-    if (it == Senders.end()) { 
-        return; 
-    } 
- 
-    const auto& sender = it->second; 
-    if (sender.Pending) { 
-        Enqueued.insert(sender.Pending.begin(), sender.Pending.end()); 
-        RequestRecords(); 
-    } 
- 
-    Senders.erase(it); 
- 
-    if (Resolver->IsResolving()) { 
-        return; 
-    } 
- 
-    Resolver->Resolve(); 
-} 
- 
-void TBaseChangeSender::RemoveRecords() { 
-    ui64 pendingStatus = 0; 
-    for (const auto& [_, sender] : Senders) { 
-        pendingStatus += sender.Pending.size(); 
-    } 
- 
-    TVector<ui64> remove(Reserve(Enqueued.size() + PendingBody.size() + PendingSent.size() + pendingStatus)); 
- 
-    for (const auto& record : Enqueued) { 
-        remove.push_back(record.Order); 
-    } 
- 
-    for (const auto& record : PendingBody) { 
-        remove.push_back(record.Order); 
-    } 
- 
-    for (const auto& [order, _] : PendingSent) { 
-        remove.push_back(order); 
-    } 
- 
-    for (const auto& [_, sender] : Senders) { 
-        for (const auto& record : sender.Pending) { 
-            remove.push_back(record.Order); 
-        } 
-    } 
- 
-    if (remove) { 
-        ActorOps->Send(DataShard.ActorId, new TEvChangeExchange::TEvRemoveRecords(std::move(remove))); 
-    } 
-} 
- 
-TBaseChangeSender::TBaseChangeSender(IActorOps* actorOps, IChangeSenderResolver* resolver, 
-        const TDataShardId& dataShard, const TPathId& pathId) 
-    : ActorOps(actorOps) 
-    , Resolver(resolver) 
-    , DataShard(dataShard) 
-    , PathId(pathId) 
-    , MemLimit(192_KB) 
-    , MemUsage(0) 
-{ 
-} 
- 
-} // NDataShard 
-} // NKikimr 
+#include "change_sender_common_ops.h"
+
+#include <util/generic/size_literals.h>
+
+namespace NKikimr {
+namespace NDataShard {
+
+void TBaseChangeSender::CreateSenders(const TVector<ui64>& partitionIds) {
+    THashMap<ui64, TSender> senders;
+
+    for (const auto& partitionId : partitionIds) {
+        auto it = Senders.find(partitionId);
+        if (it != Senders.end()) {
+            senders.emplace(partitionId, std::move(it->second));
+            Senders.erase(it);
+        } else {
+            Y_VERIFY(!senders.contains(partitionId));
+            auto& sender = senders[partitionId];
+            sender.ActorId = ActorOps->Register(CreateSender(partitionId));
+        }
+    }
+
+    for (const auto& [_, sender] : Senders) {
+        ActorOps->Send(sender.ActorId, new TEvents::TEvPoisonPill());
+    }
+
+    Senders = std::move(senders);
+
+    SendRecords();
+}
+
+void TBaseChangeSender::KillSenders() {
+    for (const auto& [_, sender] : Senders) {
+        ActorOps->Send(sender.ActorId, new TEvents::TEvPoisonPill());
+    }
+
+    Senders.clear();
+}
+
+void TBaseChangeSender::EnqueueRecords(TVector<TEvChangeExchange::TEvEnqueueRecords::TRecordInfo>&& records) {
+    for (auto& record : records) {
+        Y_VERIFY_S(PathId == record.PathId, "Unexpected record's path id"
+            << ": expected# " << PathId
+            << ", got# " << record.PathId);
+        Enqueued.emplace(record.Order, record.BodySize);
+    }
+
+    RequestRecords();
+}
+
+void TBaseChangeSender::RequestRecords() {
+    if (!Enqueued) {
+        return;
+    }
+
+    auto it = Enqueued.begin();
+    TVector<TRequestedRecord> records;
+
+    while (it != Enqueued.end()) {
+        if (MemUsage && (MemUsage + it->BodySize) > MemLimit) {
+            break;
+        }
+
+        MemUsage += it->BodySize;
+
+        records.emplace_back(it->Order, it->BodySize);
+        PendingBody.emplace(it->Order, it->BodySize);
+        it = Enqueued.erase(it);
+    }
+
+    if (!records) {
+        return;
+    }
+
+    ActorOps->Send(DataShard.ActorId, new TEvChangeExchange::TEvRequestRecords(std::move(records)));
+}
+
+void TBaseChangeSender::ProcessRecords(TVector<TChangeRecord>&& records) {
+    for (auto& record : records) {
+        auto it = PendingBody.find(record.GetOrder());
+        if (it == PendingBody.end()) {
+            continue;
+        }
+
+        if (it->BodySize != record.GetBody().size()) {
+            MemUsage -= it->BodySize;
+            MemUsage += record.GetBody().size();
+        }
+
+        PendingSent.emplace(record.GetOrder(), std::move(record));
+        PendingBody.erase(it);
+    }
+
+    SendRecords();
+}
+
+void TBaseChangeSender::SendRecords() {
+    if (!Resolver->IsResolved()) {
+        return;
+    }
+
+    if (!PendingSent) {
+        return;
+    }
+
+    auto it = PendingSent.begin();
+    THashMap<ui64, TVector<TChangeRecord>> forward;
+    bool needToResolve = false;
+
+    while (it != PendingSent.end()) {
+        const ui64 partitionId = Resolver->GetPartitionId(it->second.GetKey());
+        if (!Senders.contains(partitionId)) {
+            needToResolve = true;
+            ++it;
+            continue;
+        }
+
+        const auto& sender = Senders.at(partitionId);
+        if (!sender.Ready) {
+            ++it;
+            continue;
+        }
+
+        MemUsage -= it->second.GetBody().size();
+
+        forward[partitionId].push_back(std::move(it->second));
+        it = PendingSent.erase(it);
+    }
+
+    for (auto& [partitionId, records] : forward) {
+        Y_VERIFY(Senders.contains(partitionId));
+        auto& sender = Senders.at(partitionId);
+
+        Y_VERIFY(sender.Ready);
+        sender.Ready = false;
+
+        sender.Pending.reserve(records.size());
+        for (const auto& record : records) {
+            sender.Pending.emplace_back(record.GetOrder(), record.GetBody().size());
+        }
+
+        ActorOps->Send(sender.ActorId, new TEvChangeExchange::TEvRecords(std::move(records)));
+    }
+
+    if (needToResolve && !Resolver->IsResolving()) {
+        Resolver->Resolve();
+    }
+
+    RequestRecords();
+}
+
+void TBaseChangeSender::ForgetRecords(TVector<ui64>&& records) {
+    for (const auto& record : records) {
+        auto it = PendingBody.find(record);
+        if (it == PendingBody.end()) {
+            continue;
+        }
+
+        MemUsage -= it->BodySize;
+        PendingBody.erase(it);
+    }
+
+    RequestRecords();
+}
+
+void TBaseChangeSender::OnReady(ui64 partitionId) {
+    auto it = Senders.find(partitionId);
+    if (it == Senders.end()) {
+        return;
+    }
+
+    auto& sender = it->second;
+    sender.Ready = true;
+
+    if (sender.Pending) {
+        TVector<ui64> remove(Reserve(sender.Pending.size()));
+        for (const auto& record : sender.Pending) {
+            remove.push_back(record.Order);
+        }
+
+        ActorOps->Send(DataShard.ActorId, new TEvChangeExchange::TEvRemoveRecords(std::move(remove)));
+        sender.Pending.clear();
+    }
+
+    SendRecords();
+}
+
+void TBaseChangeSender::OnGone(ui64 partitionId) {
+    auto it = Senders.find(partitionId);
+    if (it == Senders.end()) {
+        return;
+    }
+
+    const auto& sender = it->second;
+    if (sender.Pending) {
+        Enqueued.insert(sender.Pending.begin(), sender.Pending.end());
+        RequestRecords();
+    }
+
+    Senders.erase(it);
+
+    if (Resolver->IsResolving()) {
+        return;
+    }
+
+    Resolver->Resolve();
+}
+
+void TBaseChangeSender::RemoveRecords() {
+    ui64 pendingStatus = 0;
+    for (const auto& [_, sender] : Senders) {
+        pendingStatus += sender.Pending.size();
+    }
+
+    TVector<ui64> remove(Reserve(Enqueued.size() + PendingBody.size() + PendingSent.size() + pendingStatus));
+
+    for (const auto& record : Enqueued) {
+        remove.push_back(record.Order);
+    }
+
+    for (const auto& record : PendingBody) {
+        remove.push_back(record.Order);
+    }
+
+    for (const auto& [order, _] : PendingSent) {
+        remove.push_back(order);
+    }
+
+    for (const auto& [_, sender] : Senders) {
+        for (const auto& record : sender.Pending) {
+            remove.push_back(record.Order);
+        }
+    }
+
+    if (remove) {
+        ActorOps->Send(DataShard.ActorId, new TEvChangeExchange::TEvRemoveRecords(std::move(remove)));
+    }
+}
+
+TBaseChangeSender::TBaseChangeSender(IActorOps* actorOps, IChangeSenderResolver* resolver,
+        const TDataShardId& dataShard, const TPathId& pathId)
+    : ActorOps(actorOps)
+    , Resolver(resolver)
+    , DataShard(dataShard)
+    , PathId(pathId)
+    , MemLimit(192_KB)
+    , MemUsage(0)
+{
+}
+
+} // NDataShard
+} // NKikimr
diff --git a/ydb/core/tx/datashard/change_sender_common_ops.h b/ydb/core/tx/datashard/change_sender_common_ops.h
index a04816f30d..2ba88be3f2 100644
--- a/ydb/core/tx/datashard/change_sender_common_ops.h
+++ b/ydb/core/tx/datashard/change_sender_common_ops.h
@@ -1,222 +1,222 @@
-#pragma once 
- 
-#include "change_exchange.h" 
-#include "change_exchange_helpers.h" 
- 
+#pragma once
+
+#include "change_exchange.h"
+#include "change_exchange_helpers.h"
+
 #include <ydb/core/base/appdata.h>
 #include <ydb/core/tx/scheme_cache/scheme_cache.h>
- 
-#include <library/cpp/actors/core/actor.h> 
-#include <library/cpp/actors/core/hfunc.h> 
- 
-#include <util/generic/hash.h> 
-#include <util/generic/map.h> 
-#include <util/generic/set.h> 
-#include <util/string/builder.h> 
- 
-namespace NKikimr { 
-namespace NDataShard { 
- 
-struct TEvChangeExchangePrivate { 
-    enum EEv { 
-        EvReady = EventSpaceBegin(TKikimrEvents::ES_PRIVATE), 
-        EvGone, 
-        EvEnd, 
-    }; 
- 
-    static_assert(EvEnd < EventSpaceEnd(TKikimrEvents::ES_PRIVATE)); 
- 
-    template <typename TEv, ui32 TEventType> 
-    struct TEvWithPartitionId: public TEventLocal<TEv, TEventType> { 
-        ui64 PartitionId; 
- 
-        explicit TEvWithPartitionId(ui64 partiionId) 
-            : PartitionId(partiionId) 
-        { 
-        } 
- 
-        TString ToString() const override { 
-            return TStringBuilder() << TEventLocal<TEv, TEventType>::ToStringHeader() << " {" 
-                << " PartitionId: " << PartitionId 
-            << " }"; 
-        } 
-    }; 
- 
-    struct TEvReady: public TEvWithPartitionId<TEvReady, EvReady> { 
-        using TEvWithPartitionId::TEvWithPartitionId; 
-    }; 
- 
-    struct TEvGone: public TEvWithPartitionId<TEvGone, EvGone> { 
-        using TEvWithPartitionId::TEvWithPartitionId; 
-    }; 
- 
-}; // TEvChangeExchangePrivate 
- 
-class IChangeSender { 
-public: 
-    virtual ~IChangeSender() = default; 
- 
-    virtual void CreateSenders(const TVector<ui64>& partitionIds) = 0; 
-    virtual void KillSenders() = 0; 
-    virtual IActor* CreateSender(ui64 partitionId) = 0; 
-    virtual void RemoveRecords() = 0; 
- 
-    virtual void EnqueueRecords(TVector<TEvChangeExchange::TEvEnqueueRecords::TRecordInfo>&& records) = 0; 
-    virtual void ProcessRecords(TVector<TChangeRecord>&& records) = 0; 
-    virtual void ForgetRecords(TVector<ui64>&& records) = 0; 
-    virtual void OnReady(ui64 partitionId) = 0; 
-    virtual void OnGone(ui64 partitionId) = 0; 
-}; 
- 
-class IChangeSenderResolver { 
-public: 
-    virtual ~IChangeSenderResolver() = default; 
- 
-    virtual void Resolve() = 0; 
-    virtual bool IsResolving() const = 0; 
-    virtual bool IsResolved() const = 0; 
-    virtual ui64 GetPartitionId(TConstArrayRef<TCell> key) const = 0; 
-}; 
- 
-class TBaseChangeSender: public IChangeSender { 
-    using TEnqueuedRecord = TEvChangeExchange::TEvRequestRecords::TRecordInfo; 
-    using TRequestedRecord = TEvChangeExchange::TEvRequestRecords::TRecordInfo; 
- 
-    struct TSender { 
-        TActorId ActorId; 
-        bool Ready = false; 
-        TVector<TEnqueuedRecord> Pending; 
-    }; 
- 
-    void RequestRecords(); 
-    void SendRecords(); 
- 
-protected: 
-    void CreateSenders(const TVector<ui64>& partitionIds) override; 
-    void KillSenders() override; 
-    void RemoveRecords() override; 
- 
-    void EnqueueRecords(TVector<TEvChangeExchange::TEvEnqueueRecords::TRecordInfo>&& records) override; 
-    void ProcessRecords(TVector<TChangeRecord>&& records) override; 
-    void ForgetRecords(TVector<ui64>&& records) override; 
-    void OnReady(ui64 partitionId) override; 
-    void OnGone(ui64 partitionId) override; 
- 
-    explicit TBaseChangeSender(IActorOps* actorOps, IChangeSenderResolver* resolver, 
-        const TDataShardId& dataShard, const TPathId& pathId); 
- 
-private: 
-    IActorOps* const ActorOps; 
-    IChangeSenderResolver* const Resolver; 
- 
-protected: 
-    const TDataShardId DataShard; 
-    const TPathId PathId; 
- 
-private: 
-    const ui64 MemLimit; 
-    ui64 MemUsage; 
- 
-    THashMap<ui64, TSender> Senders; // ui64 is partition id 
-    TSet<TEnqueuedRecord> Enqueued; 
-    TSet<TRequestedRecord> PendingBody; 
-    TMap<ui64, TChangeRecord> PendingSent; // ui64 is order 
- 
-}; // TBaseChangeSender 
- 
-struct TSchemeCacheHelpers { 
-    using TNavigate = NSchemeCache::TSchemeCacheNavigate; 
-    using TEvNavigate = TEvTxProxySchemeCache::TEvNavigateKeySet; 
-    using TResolve = NSchemeCache::TSchemeCacheRequest; 
-    using TEvResolve = TEvTxProxySchemeCache::TEvResolveKeySet; 
-    using TCheckFailFunc = std::function<void(const TString&)>; 
- 
-    inline static TNavigate::TEntry MakeNavigateEntry(const TTableId& tableId, TNavigate::EOp op) { 
-        TNavigate::TEntry entry; 
-        entry.RequestType = TNavigate::TEntry::ERequestType::ByTableId; 
-        entry.TableId = tableId; 
-        entry.Operation = op; 
-        entry.ShowPrivatePath = true; 
-        return entry; 
-    } 
- 
-    template <typename T> 
-    static bool CheckNotEmpty(const TStringBuf marker, const TAutoPtr<T>& result, TCheckFailFunc onFailure) { 
-        if (result) { 
-            return true; 
-        } 
- 
-        onFailure(TStringBuilder() << "Empty result at '" << marker << "'"); 
-        return false; 
-    } 
- 
-    template <typename T> 
-    static bool CheckEntriesCount(const TStringBuf marker, const TAutoPtr<T>& result, ui32 expected, TCheckFailFunc onFailure) { 
-        if (result->ResultSet.size() == expected) { 
-            return true; 
-        } 
- 
-        onFailure(TStringBuilder() << "Unexpected entries count at '" << marker << "'" 
-            << ": expected# " << expected 
-            << ", got# " << result->ResultSet.size() 
-            << ", result# " << result->ToString(*AppData()->TypeRegistry)); 
-        return false; 
-    } 
- 
-    inline static const TTableId& GetTableId(const TNavigate::TEntry& entry) { 
-        return entry.TableId; 
-    } 
- 
-    inline static const TTableId& GetTableId(const TResolve::TEntry& entry) { 
-        return entry.KeyDescription->TableId; 
-    } 
- 
-    template <typename T> 
-    static bool CheckTableId(const TStringBuf marker, const T& entry, const TTableId& expected, TCheckFailFunc onFailure) { 
-        if (GetTableId(entry).HasSamePath(expected)) { 
-            return true; 
-        } 
- 
-        onFailure(TStringBuilder() << "Unexpected table id at '" << marker << "'" 
-            << ": expected# " << expected 
-            << ", got# " << GetTableId(entry) 
-            << ", entry# " << entry.ToString()); 
-        return false; 
-    } 
- 
-    inline static bool IsSucceeded(TNavigate::EStatus status) { 
-        return status == TNavigate::EStatus::Ok; 
-    } 
- 
-    inline static bool IsSucceeded(TResolve::EStatus status) { 
-        return status == TResolve::EStatus::OkData; 
-    } 
- 
-    template <typename T> 
-    static bool CheckEntrySucceeded(const TStringBuf marker, const T& entry, TCheckFailFunc onFailure) { 
-        if (IsSucceeded(entry.Status)) { 
-            return true; 
-        } 
- 
-        onFailure(TStringBuilder() << "Failed entry at '" << marker << "'" 
-            << ": entry# " << entry.ToString()); 
-        return false; 
-    } 
- 
-    template <typename T> 
-    static bool CheckEntryKind(const TStringBuf marker, const T& entry, TNavigate::EKind expected, TCheckFailFunc onFailure) { 
-        if (entry.Kind == expected) { 
-            return true; 
-        } 
- 
-        onFailure(TStringBuilder() << "Unexpected entry kind at '" << marker << "'" 
-            << ", expected# " << static_cast<ui32>(expected) 
-            << ", got# " << static_cast<ui32>(entry.Kind) 
-            << ", entry# " << entry.ToString()); 
-        return false; 
-    } 
- 
-}; // TSchemeCacheHelpers 
- 
-} // NDataShard 
-} // NKikimr 
+
+#include <library/cpp/actors/core/actor.h>
+#include <library/cpp/actors/core/hfunc.h>
+
+#include <util/generic/hash.h>
+#include <util/generic/map.h>
+#include <util/generic/set.h>
+#include <util/string/builder.h>
+
+namespace NKikimr {
+namespace NDataShard {
+
+struct TEvChangeExchangePrivate {
+    enum EEv {
+        EvReady = EventSpaceBegin(TKikimrEvents::ES_PRIVATE),
+        EvGone,
+        EvEnd,
+    };
+
+    static_assert(EvEnd < EventSpaceEnd(TKikimrEvents::ES_PRIVATE));
+
+    template <typename TEv, ui32 TEventType>
+    struct TEvWithPartitionId: public TEventLocal<TEv, TEventType> {
+        ui64 PartitionId;
+
+        explicit TEvWithPartitionId(ui64 partiionId)
+            : PartitionId(partiionId)
+        {
+        }
+
+        TString ToString() const override {
+            return TStringBuilder() << TEventLocal<TEv, TEventType>::ToStringHeader() << " {"
+                << " PartitionId: " << PartitionId
+            << " }";
+        }
+    };
+
+    struct TEvReady: public TEvWithPartitionId<TEvReady, EvReady> {
+        using TEvWithPartitionId::TEvWithPartitionId;
+    };
+
+    struct TEvGone: public TEvWithPartitionId<TEvGone, EvGone> {
+        using TEvWithPartitionId::TEvWithPartitionId;
+    };
+
+}; // TEvChangeExchangePrivate
+
+class IChangeSender {
+public:
+    virtual ~IChangeSender() = default;
+
+    virtual void CreateSenders(const TVector<ui64>& partitionIds) = 0;
+    virtual void KillSenders() = 0;
+    virtual IActor* CreateSender(ui64 partitionId) = 0;
+    virtual void RemoveRecords() = 0;
+
+    virtual void EnqueueRecords(TVector<TEvChangeExchange::TEvEnqueueRecords::TRecordInfo>&& records) = 0;
+    virtual void ProcessRecords(TVector<TChangeRecord>&& records) = 0;
+    virtual void ForgetRecords(TVector<ui64>&& records) = 0;
+    virtual void OnReady(ui64 partitionId) = 0;
+    virtual void OnGone(ui64 partitionId) = 0;
+};
+
+class IChangeSenderResolver {
+public:
+    virtual ~IChangeSenderResolver() = default;
+
+    virtual void Resolve() = 0;
+    virtual bool IsResolving() const = 0;
+    virtual bool IsResolved() const = 0;
+    virtual ui64 GetPartitionId(TConstArrayRef<TCell> key) const = 0;
+};
+
+class TBaseChangeSender: public IChangeSender {
+    using TEnqueuedRecord = TEvChangeExchange::TEvRequestRecords::TRecordInfo;
+    using TRequestedRecord = TEvChangeExchange::TEvRequestRecords::TRecordInfo;
+
+    struct TSender {
+        TActorId ActorId;
+        bool Ready = false;
+        TVector<TEnqueuedRecord> Pending;
+    };
+
+    void RequestRecords();
+    void SendRecords();
+
+protected:
+    void CreateSenders(const TVector<ui64>& partitionIds) override;
+    void KillSenders() override;
+    void RemoveRecords() override;
+
+    void EnqueueRecords(TVector<TEvChangeExchange::TEvEnqueueRecords::TRecordInfo>&& records) override;
+    void ProcessRecords(TVector<TChangeRecord>&& records) override;
+    void ForgetRecords(TVector<ui64>&& records) override;
+    void OnReady(ui64 partitionId) override;
+    void OnGone(ui64 partitionId) override;
+
+    explicit TBaseChangeSender(IActorOps* actorOps, IChangeSenderResolver* resolver,
+        const TDataShardId& dataShard, const TPathId& pathId);
+
+private:
+    IActorOps* const ActorOps;
+    IChangeSenderResolver* const Resolver;
+
+protected:
+    const TDataShardId DataShard;
+    const TPathId PathId;
+
+private:
+    const ui64 MemLimit;
+    ui64 MemUsage;
+
+    THashMap<ui64, TSender> Senders; // ui64 is partition id
+    TSet<TEnqueuedRecord> Enqueued;
+    TSet<TRequestedRecord> PendingBody;
+    TMap<ui64, TChangeRecord> PendingSent; // ui64 is order
+
+}; // TBaseChangeSender
+
+struct TSchemeCacheHelpers {
+    using TNavigate = NSchemeCache::TSchemeCacheNavigate;
+    using TEvNavigate = TEvTxProxySchemeCache::TEvNavigateKeySet;
+    using TResolve = NSchemeCache::TSchemeCacheRequest;
+    using TEvResolve = TEvTxProxySchemeCache::TEvResolveKeySet;
+    using TCheckFailFunc = std::function<void(const TString&)>;
+
+    inline static TNavigate::TEntry MakeNavigateEntry(const TTableId& tableId, TNavigate::EOp op) {
+        TNavigate::TEntry entry;
+        entry.RequestType = TNavigate::TEntry::ERequestType::ByTableId;
+        entry.TableId = tableId;
+        entry.Operation = op;
+        entry.ShowPrivatePath = true;
+        return entry;
+    }
+
+    template <typename T>
+    static bool CheckNotEmpty(const TStringBuf marker, const TAutoPtr<T>& result, TCheckFailFunc onFailure) {
+        if (result) {
+            return true;
+        }
+
+        onFailure(TStringBuilder() << "Empty result at '" << marker << "'");
+        return false;
+    }
+
+    template <typename T>
+    static bool CheckEntriesCount(const TStringBuf marker, const TAutoPtr<T>& result, ui32 expected, TCheckFailFunc onFailure) {
+        if (result->ResultSet.size() == expected) {
+            return true;
+        }
+
+        onFailure(TStringBuilder() << "Unexpected entries count at '" << marker << "'"
+            << ": expected# " << expected
+            << ", got# " << result->ResultSet.size()
+            << ", result# " << result->ToString(*AppData()->TypeRegistry));
+        return false;
+    }
+
+    inline static const TTableId& GetTableId(const TNavigate::TEntry& entry) {
+        return entry.TableId;
+    }
+
+    inline static const TTableId& GetTableId(const TResolve::TEntry& entry) {
+        return entry.KeyDescription->TableId;
+    }
+
+    template <typename T>
+    static bool CheckTableId(const TStringBuf marker, const T& entry, const TTableId& expected, TCheckFailFunc onFailure) {
+        if (GetTableId(entry).HasSamePath(expected)) {
+            return true;
+        }
+
+        onFailure(TStringBuilder() << "Unexpected table id at '" << marker << "'"
+            << ": expected# " << expected
+            << ", got# " << GetTableId(entry)
+            << ", entry# " << entry.ToString());
+        return false;
+    }
+
+    inline static bool IsSucceeded(TNavigate::EStatus status) {
+        return status == TNavigate::EStatus::Ok;
+    }
+
+    inline static bool IsSucceeded(TResolve::EStatus status) {
+        return status == TResolve::EStatus::OkData;
+    }
+
+    template <typename T>
+    static bool CheckEntrySucceeded(const TStringBuf marker, const T& entry, TCheckFailFunc onFailure) {
+        if (IsSucceeded(entry.Status)) {
+            return true;
+        }
+
+        onFailure(TStringBuilder() << "Failed entry at '" << marker << "'"
+            << ": entry# " << entry.ToString());
+        return false;
+    }
+
+    template <typename T>
+    static bool CheckEntryKind(const TStringBuf marker, const T& entry, TNavigate::EKind expected, TCheckFailFunc onFailure) {
+        if (entry.Kind == expected) {
+            return true;
+        }
+
+        onFailure(TStringBuilder() << "Unexpected entry kind at '" << marker << "'"
+            << ", expected# " << static_cast<ui32>(expected)
+            << ", got# " << static_cast<ui32>(entry.Kind)
+            << ", entry# " << entry.ToString());
+        return false;
+    }
+
+}; // TSchemeCacheHelpers
+
+} // NDataShard
+} // NKikimr
diff --git a/ydb/core/tx/datashard/check_distributed_erase_tx_unit.cpp b/ydb/core/tx/datashard/check_distributed_erase_tx_unit.cpp
index 60c398d551..956f6cccba 100644
--- a/ydb/core/tx/datashard/check_distributed_erase_tx_unit.cpp
+++ b/ydb/core/tx/datashard/check_distributed_erase_tx_unit.cpp
@@ -1,126 +1,126 @@
-#include "datashard_active_transaction.h" 
-#include "datashard_direct_erase.h" 
-#include "datashard_distributed_erase.h" 
-#include "datashard_pipeline.h" 
-#include "execution_unit_ctors.h" 
- 
-#include <util/generic/bitmap.h> 
-#include <util/string/builder.h> 
- 
-namespace NKikimr { 
+#include "datashard_active_transaction.h"
+#include "datashard_direct_erase.h"
+#include "datashard_distributed_erase.h"
+#include "datashard_pipeline.h"
+#include "execution_unit_ctors.h"
+
+#include <util/generic/bitmap.h>
+#include <util/string/builder.h>
+
+namespace NKikimr {
 namespace NDataShard {
- 
-class TCheckDistributedEraseTxUnit : public TExecutionUnit { 
-public: 
+
+class TCheckDistributedEraseTxUnit : public TExecutionUnit {
+public:
     TCheckDistributedEraseTxUnit(TDataShard& self, TPipeline& pipeline)
-        : TExecutionUnit(EExecutionUnitKind::CheckDistributedEraseTx, false, self, pipeline) 
-    { 
-    } 
- 
-    bool IsReadyToExecute(TOperation::TPtr) const override { 
-        return true; 
-    } 
- 
-    EExecutionStatus Execute(TOperation::TPtr op, TTransactionContext&, const TActorContext& ctx) override { 
-        Y_VERIFY(op->IsDistributedEraseTx()); 
-        Y_VERIFY(!op->IsAborted()); 
- 
-        TActiveTransaction* tx = dynamic_cast<TActiveTransaction*>(op.Get()); 
-        Y_VERIFY_S(tx, "cannot cast operation of kind " << op->GetKind()); 
- 
-        if (CheckRejectDataTx(op, ctx)) { 
-            op->Abort(EExecutionUnitKind::FinishPropose); 
-            return EExecutionStatus::Executed; 
-        } 
- 
-        const auto& eraseTx = tx->GetDistributedEraseTx(); 
-        const auto& request = eraseTx->GetRequest(); 
- 
-        auto buildUnsuccessfulResult = [&]( 
-                const TString& reason, 
-                NKikimrTxDataShard::TEvProposeTransactionResult::EStatus status = NKikimrTxDataShard::TEvProposeTransactionResult::BAD_REQUEST, 
-                NKikimrTxDataShard::TError::EKind kind = NKikimrTxDataShard::TError::BAD_ARGUMENT) { 
- 
-            BuildResult(op, status)->AddError(kind, reason); 
-            op->Abort(EExecutionUnitKind::FinishPropose); 
-            return EExecutionStatus::Executed; 
-        }; 
- 
-        NKikimrTxDataShard::TEvEraseRowsResponse::EStatus status; 
-        TString error; 
-        if (!TDirectTxErase::CheckRequest(&DataShard, request, status, error)) { 
-            return buildUnsuccessfulResult(error); 
-        } 
- 
-        const size_t count = (size_t)eraseTx->HasDependents() + (size_t)eraseTx->HasDependencies(); 
-        if (count != 1) { 
-            return buildUnsuccessfulResult("Distributed erase tx can only have dependents or dependencies, not both"); 
-        } 
- 
-        for (const auto& dependency : eraseTx->GetDependencies()) { 
-            auto presentRows = DeserializeBitMap<TDynBitMap>(dependency.GetPresentRows()); 
-            if (request.KeyColumnsSize() == presentRows.Count()) { 
-                continue; 
-            } 
- 
-            return buildUnsuccessfulResult(TStringBuilder() << "Present rows count mismatch" 
-                << ": got " << presentRows.Count() 
-                << ", expected " << request.KeyColumnsSize() 
-            ); 
-        } 
- 
-        // checked at CheckedExecute stage 
-        Y_VERIFY(DataShard.GetUserTables().contains(request.GetTableId())); 
-        const TUserTable& tableInfo = *DataShard.GetUserTables().at(request.GetTableId()); 
- 
-        for (const auto columnId : eraseTx->GetIndexColumnIds()) { 
-            if (tableInfo.Columns.contains(columnId)) { 
-                continue; 
-            } 
- 
-            return buildUnsuccessfulResult(TStringBuilder() << "Unknown index column id " << columnId); 
-        } 
- 
-        for (const auto& serializedCells : eraseTx->GetIndexColumns()) { 
-            TSerializedCellVec indexCells; 
-            if (!TSerializedCellVec::TryParse(serializedCells, indexCells)) { 
-                return buildUnsuccessfulResult("Cannot parse index column value"); 
-            } 
- 
-            if (indexCells.GetCells().size() != static_cast<ui32>(eraseTx->GetIndexColumnIds().size())) { 
-                return buildUnsuccessfulResult("Cell count doesn't match row scheme"); 
-            } 
-        } 
- 
-        if (!Pipeline.AssignPlanInterval(op)) { 
-            const TString err = TStringBuilder() << "Can't propose" 
-                << " tx " << op->GetTxId() 
-                << " at blocked shard " << DataShard.TabletID(); 
- 
-            LOG_NOTICE_S(ctx, NKikimrServices::TX_DATASHARD, err); 
-            return buildUnsuccessfulResult( 
-                err, 
-                NKikimrTxDataShard::TEvProposeTransactionResult::ERROR, 
-                NKikimrTxDataShard::TError::SHARD_IS_BLOCKED 
-            ); 
-        } 
- 
-        BuildResult(op)->SetPrepared(op->GetMinStep(), op->GetMaxStep(), op->GetReceivedAt()); 
- 
-        LOG_DEBUG_S(ctx, NKikimrServices::TX_DATASHARD, "Prepared" 
-            << " " << op->GetKind() 
-            << " transaction txId " << op->GetTxId() 
-            << " at tablet " << DataShard.TabletID()); 
-        return EExecutionStatus::Executed; 
-    } 
- 
-    void Complete(TOperation::TPtr, const TActorContext&) override { 
-    } 
-}; 
- 
+        : TExecutionUnit(EExecutionUnitKind::CheckDistributedEraseTx, false, self, pipeline)
+    {
+    }
+
+    bool IsReadyToExecute(TOperation::TPtr) const override {
+        return true;
+    }
+
+    EExecutionStatus Execute(TOperation::TPtr op, TTransactionContext&, const TActorContext& ctx) override {
+        Y_VERIFY(op->IsDistributedEraseTx());
+        Y_VERIFY(!op->IsAborted());
+
+        TActiveTransaction* tx = dynamic_cast<TActiveTransaction*>(op.Get());
+        Y_VERIFY_S(tx, "cannot cast operation of kind " << op->GetKind());
+
+        if (CheckRejectDataTx(op, ctx)) {
+            op->Abort(EExecutionUnitKind::FinishPropose);
+            return EExecutionStatus::Executed;
+        }
+
+        const auto& eraseTx = tx->GetDistributedEraseTx();
+        const auto& request = eraseTx->GetRequest();
+
+        auto buildUnsuccessfulResult = [&](
+                const TString& reason,
+                NKikimrTxDataShard::TEvProposeTransactionResult::EStatus status = NKikimrTxDataShard::TEvProposeTransactionResult::BAD_REQUEST,
+                NKikimrTxDataShard::TError::EKind kind = NKikimrTxDataShard::TError::BAD_ARGUMENT) {
+
+            BuildResult(op, status)->AddError(kind, reason);
+            op->Abort(EExecutionUnitKind::FinishPropose);
+            return EExecutionStatus::Executed;
+        };
+
+        NKikimrTxDataShard::TEvEraseRowsResponse::EStatus status;
+        TString error;
+        if (!TDirectTxErase::CheckRequest(&DataShard, request, status, error)) {
+            return buildUnsuccessfulResult(error);
+        }
+
+        const size_t count = (size_t)eraseTx->HasDependents() + (size_t)eraseTx->HasDependencies();
+        if (count != 1) {
+            return buildUnsuccessfulResult("Distributed erase tx can only have dependents or dependencies, not both");
+        }
+
+        for (const auto& dependency : eraseTx->GetDependencies()) {
+            auto presentRows = DeserializeBitMap<TDynBitMap>(dependency.GetPresentRows());
+            if (request.KeyColumnsSize() == presentRows.Count()) {
+                continue;
+            }
+
+            return buildUnsuccessfulResult(TStringBuilder() << "Present rows count mismatch"
+                << ": got " << presentRows.Count()
+                << ", expected " << request.KeyColumnsSize()
+            );
+        }
+
+        // checked at CheckedExecute stage
+        Y_VERIFY(DataShard.GetUserTables().contains(request.GetTableId()));
+        const TUserTable& tableInfo = *DataShard.GetUserTables().at(request.GetTableId());
+
+        for (const auto columnId : eraseTx->GetIndexColumnIds()) {
+            if (tableInfo.Columns.contains(columnId)) {
+                continue;
+            }
+
+            return buildUnsuccessfulResult(TStringBuilder() << "Unknown index column id " << columnId);
+        }
+
+        for (const auto& serializedCells : eraseTx->GetIndexColumns()) {
+            TSerializedCellVec indexCells;
+            if (!TSerializedCellVec::TryParse(serializedCells, indexCells)) {
+                return buildUnsuccessfulResult("Cannot parse index column value");
+            }
+
+            if (indexCells.GetCells().size() != static_cast<ui32>(eraseTx->GetIndexColumnIds().size())) {
+                return buildUnsuccessfulResult("Cell count doesn't match row scheme");
+            }
+        }
+
+        if (!Pipeline.AssignPlanInterval(op)) {
+            const TString err = TStringBuilder() << "Can't propose"
+                << " tx " << op->GetTxId()
+                << " at blocked shard " << DataShard.TabletID();
+
+            LOG_NOTICE_S(ctx, NKikimrServices::TX_DATASHARD, err);
+            return buildUnsuccessfulResult(
+                err,
+                NKikimrTxDataShard::TEvProposeTransactionResult::ERROR,
+                NKikimrTxDataShard::TError::SHARD_IS_BLOCKED
+            );
+        }
+
+        BuildResult(op)->SetPrepared(op->GetMinStep(), op->GetMaxStep(), op->GetReceivedAt());
+
+        LOG_DEBUG_S(ctx, NKikimrServices::TX_DATASHARD, "Prepared"
+            << " " << op->GetKind()
+            << " transaction txId " << op->GetTxId()
+            << " at tablet " << DataShard.TabletID());
+        return EExecutionStatus::Executed;
+    }
+
+    void Complete(TOperation::TPtr, const TActorContext&) override {
+    }
+};
+
 THolder<TExecutionUnit> CreateCheckDistributedEraseTxUnit(TDataShard& self, TPipeline& pipeline) {
-    return THolder(new TCheckDistributedEraseTxUnit(self, pipeline)); 
-} 
- 
+    return THolder(new TCheckDistributedEraseTxUnit(self, pipeline));
+}
+
 } // namespace NDataShard
-} // namespace NKikimr 
+} // namespace NKikimr
diff --git a/ydb/core/tx/datashard/check_scheme_tx_unit.cpp b/ydb/core/tx/datashard/check_scheme_tx_unit.cpp
index 90723f08ad..bbba1c6d95 100644
--- a/ydb/core/tx/datashard/check_scheme_tx_unit.cpp
+++ b/ydb/core/tx/datashard/check_scheme_tx_unit.cpp
@@ -26,7 +26,7 @@ private:
     bool CheckDrop(TActiveTransaction *activeTx);
     bool CheckAlter(TActiveTransaction *activeTx);
     bool CheckBackup(TActiveTransaction *activeTx);
-    bool CheckRestore(TActiveTransaction *activeTx); 
+    bool CheckRestore(TActiveTransaction *activeTx);
     bool CheckCopy(TActiveTransaction *activeTx);
     bool CheckCreatePersistentSnapshot(TActiveTransaction *activeTx);
     bool CheckDropPersistentSnapshot(TActiveTransaction *activeTx);
@@ -34,20 +34,20 @@ private:
     bool CheckFinalizeBuildIndex(TActiveTransaction *activeTx);
     bool CheckDropIndexNotice(TActiveTransaction *activeTx);
     bool CheckMoveTable(TActiveTransaction *activeTx);
-    bool CheckCreateCdcStream(TActiveTransaction *activeTx); 
-    bool CheckAlterCdcStream(TActiveTransaction *activeTx); 
-    bool CheckDropCdcStream(TActiveTransaction *activeTx); 
+    bool CheckCreateCdcStream(TActiveTransaction *activeTx);
+    bool CheckAlterCdcStream(TActiveTransaction *activeTx);
+    bool CheckDropCdcStream(TActiveTransaction *activeTx);
 
     bool CheckSchemaVersion(TActiveTransaction *activeTx, ui64 proposedSchemaVersion, ui64 currentSchemaVersion, ui64 expectedSchemaVersion);
- 
-    using TPipelineHasSmthFunc = std::function<bool(TPipeline* const)>; 
-    bool HasDuplicate(TActiveTransaction *activeTx, const TStringBuf kind, TPipelineHasSmthFunc checker); 
-    bool HasConflicts(TActiveTransaction *activeTx, const TStringBuf kind, const THashMap<TString, TPipelineHasSmthFunc>& checkers); 
- 
-    template <typename T> bool HasPathId(TActiveTransaction *activeTx, const T &op, const TStringBuf kind); 
-    template <typename T> TPathId GetPathId(const T &op) const; 
-    template <typename T> bool CheckSchemaVersion(TActiveTransaction *activeTx, ui64 tableId, const T &op); 
-    template <typename T> bool CheckSchemaVersion(TActiveTransaction *activeTx, const T &op); 
+
+    using TPipelineHasSmthFunc = std::function<bool(TPipeline* const)>;
+    bool HasDuplicate(TActiveTransaction *activeTx, const TStringBuf kind, TPipelineHasSmthFunc checker);
+    bool HasConflicts(TActiveTransaction *activeTx, const TStringBuf kind, const THashMap<TString, TPipelineHasSmthFunc>& checkers);
+
+    template <typename T> bool HasPathId(TActiveTransaction *activeTx, const T &op, const TStringBuf kind);
+    template <typename T> TPathId GetPathId(const T &op) const;
+    template <typename T> bool CheckSchemaVersion(TActiveTransaction *activeTx, ui64 tableId, const T &op);
+    template <typename T> bool CheckSchemaVersion(TActiveTransaction *activeTx, const T &op);
 };
 
 TCheckSchemeTxUnit::TCheckSchemeTxUnit(TDataShard &dataShard,
@@ -231,138 +231,138 @@ bool TCheckSchemeTxUnit::CheckSchemaVersion(TActiveTransaction *activeTx,
     return true;
 }
 
-bool TCheckSchemeTxUnit::HasDuplicate(TActiveTransaction *activeTx, const TStringBuf kind, TPipelineHasSmthFunc checker) { 
-    if (!checker(&Pipeline)) { 
-        return false; 
-    } 
- 
-    LOG_DEBUG_S(TActivationContext::AsActorContext(), NKikimrServices::TX_DATASHARD, 
-        "Ignoring " << kind << " duplicate" 
-            << " at tablet " << DataShard.TabletID() 
-            << " txId " << activeTx->GetTxId() 
-            << " currentTxId " << Pipeline.CurrentSchemaTxId()); 
-    BuildResult(activeTx)->SetSchemeTxDuplicate(Pipeline.CurrentSchemaTxId() == activeTx->GetTxId()); 
- 
-    return true; 
-} 
- 
-bool TCheckSchemeTxUnit::HasConflicts(TActiveTransaction *activeTx, const TStringBuf kind, const THashMap<TString, TPipelineHasSmthFunc>& checkers) { 
-    for (const auto& kv : checkers) { 
-        const auto& conflicting = kv.first; 
-        const auto& checker = kv.second; 
- 
-        if (!checker(&Pipeline)) { 
-            continue; 
-        } 
- 
-        LOG_DEBUG_S(TActivationContext::AsActorContext(), NKikimrServices::TX_DATASHARD, 
-            "Ignoring " << kind << " during ongoing " << conflicting 
-                << " at tablet " << DataShard.TabletID() 
-                << " txId " << activeTx->GetTxId() 
-                << " currentTxId " << Pipeline.CurrentSchemaTxId()); 
-        BuildResult(activeTx, NKikimrTxDataShard::TEvProposeTransactionResult::ERROR); 
- 
-        return true; 
-    } 
- 
-    return false; 
-} 
- 
-template <typename T> 
-bool TCheckSchemeTxUnit::HasPathId(TActiveTransaction *activeTx, const T &op, const TStringBuf kind) { 
-    if (op.HasPathId()) { 
-        return true; 
-    } 
- 
-    LOG_DEBUG_S(TActivationContext::AsActorContext(), NKikimrServices::TX_DATASHARD, 
-        kind << " description has no PathId" 
-            << " at tablet " << DataShard.TabletID() 
-            << " txId " << activeTx->GetTxId() 
-            << " currentTxId " << Pipeline.CurrentSchemaTxId()); 
-    BuildResult(activeTx, NKikimrTxDataShard::TEvProposeTransactionResult::ERROR); 
- 
-    return false; 
-} 
- 
-template <typename T> 
-TPathId TCheckSchemeTxUnit::GetPathId(const T &op) const { 
-    auto pathId = TPathId(op.GetPathId().GetOwnerId(), op.GetPathId().GetLocalId()); 
-    Y_VERIFY(DataShard.GetPathOwnerId() == pathId.OwnerId); 
-    return pathId; 
-} 
- 
-template <typename T> 
-bool TCheckSchemeTxUnit::CheckSchemaVersion(TActiveTransaction *activeTx, ui64 tableId, const T &op) { 
-    const auto tablePtr = DataShard.GetUserTables().FindPtr(tableId); 
- 
-    Y_VERIFY(tablePtr); 
-    const auto &table = **tablePtr; 
- 
-    const auto current = table.GetTableSchemaVersion(); 
-    const auto proposed = op.HasTableSchemaVersion() ? op.GetTableSchemaVersion() : 0; 
- 
-    const auto res = CheckSchemaVersion(activeTx, proposed, current, current + 1); 
-    Y_VERIFY_DEBUG(res, "Unexpected schema version mutation"); 
- 
-    return true; 
-} 
- 
-template <typename T> 
-bool TCheckSchemeTxUnit::CheckSchemaVersion(TActiveTransaction *activeTx, const T &op) { 
-    return CheckSchemaVersion(activeTx, GetPathId(op).LocalPathId, op); 
-} 
- 
+bool TCheckSchemeTxUnit::HasDuplicate(TActiveTransaction *activeTx, const TStringBuf kind, TPipelineHasSmthFunc checker) {
+    if (!checker(&Pipeline)) {
+        return false;
+    }
+
+    LOG_DEBUG_S(TActivationContext::AsActorContext(), NKikimrServices::TX_DATASHARD,
+        "Ignoring " << kind << " duplicate"
+            << " at tablet " << DataShard.TabletID()
+            << " txId " << activeTx->GetTxId()
+            << " currentTxId " << Pipeline.CurrentSchemaTxId());
+    BuildResult(activeTx)->SetSchemeTxDuplicate(Pipeline.CurrentSchemaTxId() == activeTx->GetTxId());
+
+    return true;
+}
+
+bool TCheckSchemeTxUnit::HasConflicts(TActiveTransaction *activeTx, const TStringBuf kind, const THashMap<TString, TPipelineHasSmthFunc>& checkers) {
+    for (const auto& kv : checkers) {
+        const auto& conflicting = kv.first;
+        const auto& checker = kv.second;
+
+        if (!checker(&Pipeline)) {
+            continue;
+        }
+
+        LOG_DEBUG_S(TActivationContext::AsActorContext(), NKikimrServices::TX_DATASHARD,
+            "Ignoring " << kind << " during ongoing " << conflicting
+                << " at tablet " << DataShard.TabletID()
+                << " txId " << activeTx->GetTxId()
+                << " currentTxId " << Pipeline.CurrentSchemaTxId());
+        BuildResult(activeTx, NKikimrTxDataShard::TEvProposeTransactionResult::ERROR);
+
+        return true;
+    }
+
+    return false;
+}
+
+template <typename T>
+bool TCheckSchemeTxUnit::HasPathId(TActiveTransaction *activeTx, const T &op, const TStringBuf kind) {
+    if (op.HasPathId()) {
+        return true;
+    }
+
+    LOG_DEBUG_S(TActivationContext::AsActorContext(), NKikimrServices::TX_DATASHARD,
+        kind << " description has no PathId"
+            << " at tablet " << DataShard.TabletID()
+            << " txId " << activeTx->GetTxId()
+            << " currentTxId " << Pipeline.CurrentSchemaTxId());
+    BuildResult(activeTx, NKikimrTxDataShard::TEvProposeTransactionResult::ERROR);
+
+    return false;
+}
+
+template <typename T>
+TPathId TCheckSchemeTxUnit::GetPathId(const T &op) const {
+    auto pathId = TPathId(op.GetPathId().GetOwnerId(), op.GetPathId().GetLocalId());
+    Y_VERIFY(DataShard.GetPathOwnerId() == pathId.OwnerId);
+    return pathId;
+}
+
+template <typename T>
+bool TCheckSchemeTxUnit::CheckSchemaVersion(TActiveTransaction *activeTx, ui64 tableId, const T &op) {
+    const auto tablePtr = DataShard.GetUserTables().FindPtr(tableId);
+
+    Y_VERIFY(tablePtr);
+    const auto &table = **tablePtr;
+
+    const auto current = table.GetTableSchemaVersion();
+    const auto proposed = op.HasTableSchemaVersion() ? op.GetTableSchemaVersion() : 0;
+
+    const auto res = CheckSchemaVersion(activeTx, proposed, current, current + 1);
+    Y_VERIFY_DEBUG(res, "Unexpected schema version mutation");
+
+    return true;
+}
+
+template <typename T>
+bool TCheckSchemeTxUnit::CheckSchemaVersion(TActiveTransaction *activeTx, const T &op) {
+    return CheckSchemaVersion(activeTx, GetPathId(op).LocalPathId, op);
+}
+
 bool TCheckSchemeTxUnit::CheckSchemeTx(TActiveTransaction *activeTx)
 {
     const NKikimrTxDataShard::TFlatSchemeTransaction &tx = activeTx->GetSchemeTx();
 
     bool res = false;
     switch (activeTx->GetSchemeTxType()) {
-    case TSchemaOperation::ETypeCreate: 
+    case TSchemaOperation::ETypeCreate:
         res = CheckCreate(activeTx);
         break;
-    case TSchemaOperation::ETypeDrop: 
+    case TSchemaOperation::ETypeDrop:
         res = CheckDrop(activeTx);
         break;
-    case TSchemaOperation::ETypeAlter: 
+    case TSchemaOperation::ETypeAlter:
         res = CheckAlter(activeTx);
         break;
-    case TSchemaOperation::ETypeBackup: 
+    case TSchemaOperation::ETypeBackup:
         res = CheckBackup(activeTx);
         break;
-    case TSchemaOperation::ETypeRestore: 
-        res = CheckRestore(activeTx); 
-        break; 
-    case TSchemaOperation::ETypeCopy: 
+    case TSchemaOperation::ETypeRestore:
+        res = CheckRestore(activeTx);
+        break;
+    case TSchemaOperation::ETypeCopy:
         res = CheckCopy(activeTx);
         break;
-    case TSchemaOperation::ETypeCreatePersistentSnapshot: 
+    case TSchemaOperation::ETypeCreatePersistentSnapshot:
         res = CheckCreatePersistentSnapshot(activeTx);
         break;
-    case TSchemaOperation::ETypeDropPersistentSnapshot: 
+    case TSchemaOperation::ETypeDropPersistentSnapshot:
         res = CheckDropPersistentSnapshot(activeTx);
         break;
-    case TSchemaOperation::ETypeInitiateBuildIndex: 
+    case TSchemaOperation::ETypeInitiateBuildIndex:
         res = CheckInitiateBuildIndex(activeTx);
         break;
-    case TSchemaOperation::ETypeFinalizeBuildIndex: 
+    case TSchemaOperation::ETypeFinalizeBuildIndex:
         res = CheckFinalizeBuildIndex(activeTx);
         break;
-    case TSchemaOperation::ETypeDropIndexNotice: 
+    case TSchemaOperation::ETypeDropIndexNotice:
         res = CheckDropIndexNotice(activeTx);
         break;
     case TSchemaOperation::ETypeMoveTable:
         res = CheckMoveTable(activeTx);
         break;
-    case TSchemaOperation::ETypeCreateCdcStream: 
-        res = CheckCreateCdcStream(activeTx); 
+    case TSchemaOperation::ETypeCreateCdcStream:
+        res = CheckCreateCdcStream(activeTx);
+        break;
+    case TSchemaOperation::ETypeAlterCdcStream:
+        res = CheckAlterCdcStream(activeTx);
+        break;
+    case TSchemaOperation::ETypeDropCdcStream:
+        res = CheckDropCdcStream(activeTx);
         break;
-    case TSchemaOperation::ETypeAlterCdcStream: 
-        res = CheckAlterCdcStream(activeTx); 
-        break; 
-    case TSchemaOperation::ETypeDropCdcStream: 
-        res = CheckDropCdcStream(activeTx); 
-        break; 
     default:
         LOG_ERROR_S(TActivationContext::AsActorContext(), NKikimrServices::TX_DATASHARD,
                     "Unknown scheme tx type detected at tablet "
@@ -377,11 +377,11 @@ bool TCheckSchemeTxUnit::CheckSchemeTx(TActiveTransaction *activeTx)
 bool TCheckSchemeTxUnit::CheckCreate(TActiveTransaction *activeTx) {
     const NKikimrTxDataShard::TFlatSchemeTransaction &tx = activeTx->GetSchemeTx();
 
-    if (HasDuplicate(activeTx, "Create", &TPipeline::HasCreate)) { 
+    if (HasDuplicate(activeTx, "Create", &TPipeline::HasCreate)) {
         return false;
     }
 
-    const auto &create = tx.GetCreateTable(); 
+    const auto &create = tx.GetCreateTable();
     ui64 tableId = create.GetId_Deprecated();
     if (create.HasPathId()) {
         Y_VERIFY(DataShard.GetPathOwnerId() == create.GetPathId().GetOwnerId() || DataShard.GetPathOwnerId() == INVALID_TABLET_ID);
@@ -396,7 +396,7 @@ bool TCheckSchemeTxUnit::CheckCreate(TActiveTransaction *activeTx) {
 bool TCheckSchemeTxUnit::CheckDrop(TActiveTransaction *activeTx) {
     const NKikimrTxDataShard::TFlatSchemeTransaction &tx = activeTx->GetSchemeTx();
 
-    if (HasDuplicate(activeTx, "Drop", &TPipeline::HasDrop)) { 
+    if (HasDuplicate(activeTx, "Drop", &TPipeline::HasDrop)) {
         return false;
     }
 
@@ -417,15 +417,15 @@ bool TCheckSchemeTxUnit::CheckAlter(TActiveTransaction *activeTx)
     Y_VERIFY(!Pipeline.HasDrop());
 
     const TStringBuf kind = "Alter";
-    if (HasDuplicate(activeTx, kind, &TPipeline::HasAlter)) { 
+    if (HasDuplicate(activeTx, kind, &TPipeline::HasAlter)) {
         return false;
     }
 
-    const THashMap<TString, TPipelineHasSmthFunc> conflicting = { 
-        {"Backup", &TPipeline::HasBackup}, 
-        {"Restore", &TPipeline::HasRestore}, 
-    }; 
-    if (HasConflicts(activeTx, kind, conflicting)) { 
+    const THashMap<TString, TPipelineHasSmthFunc> conflicting = {
+        {"Backup", &TPipeline::HasBackup},
+        {"Restore", &TPipeline::HasRestore},
+    };
+    if (HasConflicts(activeTx, kind, conflicting)) {
         return false;
     }
 
@@ -521,15 +521,15 @@ bool TCheckSchemeTxUnit::CheckBackup(TActiveTransaction *activeTx)
     Y_VERIFY(!Pipeline.HasDrop());
 
     const TStringBuf kind = "Backup";
-    if (HasDuplicate(activeTx, kind, &TPipeline::HasBackup)) { 
+    if (HasDuplicate(activeTx, kind, &TPipeline::HasBackup)) {
         return false;
     }
 
-    const THashMap<TString, TPipelineHasSmthFunc> conflicting = { 
-        {"Alter", &TPipeline::HasAlter}, 
-        {"Restore", &TPipeline::HasRestore}, 
-    }; 
-    if (HasConflicts(activeTx, kind, conflicting)) { 
+    const THashMap<TString, TPipelineHasSmthFunc> conflicting = {
+        {"Alter", &TPipeline::HasAlter},
+        {"Restore", &TPipeline::HasRestore},
+    };
+    if (HasConflicts(activeTx, kind, conflicting)) {
         return false;
     }
 
@@ -539,34 +539,34 @@ bool TCheckSchemeTxUnit::CheckBackup(TActiveTransaction *activeTx)
     return true;
 }
 
-bool TCheckSchemeTxUnit::CheckRestore(TActiveTransaction *activeTx) 
-{ 
-    const NKikimrTxDataShard::TFlatSchemeTransaction &tx = activeTx->GetSchemeTx(); 
-    Y_VERIFY(!Pipeline.HasDrop()); 
- 
+bool TCheckSchemeTxUnit::CheckRestore(TActiveTransaction *activeTx)
+{
+    const NKikimrTxDataShard::TFlatSchemeTransaction &tx = activeTx->GetSchemeTx();
+    Y_VERIFY(!Pipeline.HasDrop());
+
     const TStringBuf kind = "Restore";
-    if (HasDuplicate(activeTx, kind, &TPipeline::HasRestore)) { 
-        return false; 
-    } 
- 
-    const THashMap<TString, TPipelineHasSmthFunc> conflicting = { 
-        {"Alter", &TPipeline::HasAlter}, 
-        {"Backup", &TPipeline::HasBackup}, 
-    }; 
-    if (HasConflicts(activeTx, kind, conflicting)) { 
-        return false; 
-    } 
- 
-    const auto &restore = tx.GetRestore(); 
-    Y_VERIFY(DataShard.GetUserTables().contains(restore.GetTableId())); 
- 
-    return true; 
-} 
- 
+    if (HasDuplicate(activeTx, kind, &TPipeline::HasRestore)) {
+        return false;
+    }
+
+    const THashMap<TString, TPipelineHasSmthFunc> conflicting = {
+        {"Alter", &TPipeline::HasAlter},
+        {"Backup", &TPipeline::HasBackup},
+    };
+    if (HasConflicts(activeTx, kind, conflicting)) {
+        return false;
+    }
+
+    const auto &restore = tx.GetRestore();
+    Y_VERIFY(DataShard.GetUserTables().contains(restore.GetTableId()));
+
+    return true;
+}
+
 bool TCheckSchemeTxUnit::CheckCopy(TActiveTransaction *activeTx) {
     const NKikimrTxDataShard::TFlatSchemeTransaction &tx = activeTx->GetSchemeTx();
 
-    if (HasDuplicate(activeTx, "Copy", &TPipeline::HasCopy)) { 
+    if (HasDuplicate(activeTx, "Copy", &TPipeline::HasCopy)) {
         return false;
     }
 
@@ -584,7 +584,7 @@ bool TCheckSchemeTxUnit::CheckCopy(TActiveTransaction *activeTx) {
 bool TCheckSchemeTxUnit::CheckCreatePersistentSnapshot(TActiveTransaction *activeTx) {
     const auto& tx = activeTx->GetSchemeTx();
 
-    if (HasDuplicate(activeTx, "CreatePersistentSnapshot", &TPipeline::HasCreatePersistentSnapshot)) { 
+    if (HasDuplicate(activeTx, "CreatePersistentSnapshot", &TPipeline::HasCreatePersistentSnapshot)) {
         return false;
     }
 
@@ -596,7 +596,7 @@ bool TCheckSchemeTxUnit::CheckCreatePersistentSnapshot(TActiveTransaction *activ
 bool TCheckSchemeTxUnit::CheckDropPersistentSnapshot(TActiveTransaction *activeTx) {
     const auto& tx = activeTx->GetSchemeTx();
 
-    if (HasDuplicate(activeTx, "DropPersistentSnapshot", &TPipeline::HasDropPersistentSnapshot)) { 
+    if (HasDuplicate(activeTx, "DropPersistentSnapshot", &TPipeline::HasDropPersistentSnapshot)) {
         return false;
     }
 
@@ -606,29 +606,29 @@ bool TCheckSchemeTxUnit::CheckDropPersistentSnapshot(TActiveTransaction *activeT
 }
 
 bool TCheckSchemeTxUnit::CheckInitiateBuildIndex(TActiveTransaction *activeTx) {
-    if (HasDuplicate(activeTx, "InitiateBuildIndex", &TPipeline::HasInitiateBuilIndex)) { 
+    if (HasDuplicate(activeTx, "InitiateBuildIndex", &TPipeline::HasInitiateBuilIndex)) {
         return false;
     }
 
-    const auto &initiate = activeTx->GetSchemeTx().GetInitiateBuildIndex(); 
-    if (!HasPathId(activeTx, initiate, "InitiateBuildIndex")) { 
-        return false; 
+    const auto &initiate = activeTx->GetSchemeTx().GetInitiateBuildIndex();
+    if (!HasPathId(activeTx, initiate, "InitiateBuildIndex")) {
+        return false;
     }
 
-    return CheckSchemaVersion(activeTx, initiate); 
+    return CheckSchemaVersion(activeTx, initiate);
 }
 
 bool TCheckSchemeTxUnit::CheckFinalizeBuildIndex(TActiveTransaction *activeTx) {
-    if (HasDuplicate(activeTx, "FinalizeBuildIndex", &TPipeline::HasFinalizeBuilIndex)) { 
+    if (HasDuplicate(activeTx, "FinalizeBuildIndex", &TPipeline::HasFinalizeBuilIndex)) {
         return false;
     }
 
-    const auto &finalize = activeTx->GetSchemeTx().GetFinalizeBuildIndex(); 
-    if (!HasPathId(activeTx, finalize, "FinalizeBuildIndex")) { 
-        return false; 
+    const auto &finalize = activeTx->GetSchemeTx().GetFinalizeBuildIndex();
+    if (!HasPathId(activeTx, finalize, "FinalizeBuildIndex")) {
+        return false;
     }
 
-    const auto pathId = GetPathId(finalize); 
+    const auto pathId = GetPathId(finalize);
     const auto snapshotKey = TSnapshotKey(pathId.OwnerId, pathId.LocalPathId, finalize.GetSnapshotStep(), finalize.GetSnapshotTxId());
 
     if (DataShard.GetSnapshotManager().FindAvailable(snapshotKey) == nullptr) {
@@ -639,78 +639,78 @@ bool TCheckSchemeTxUnit::CheckFinalizeBuildIndex(TActiveTransaction *activeTx) {
                         << " pathId " << pathId
                         << " snapshotKey " << snapshotKey);
         BuildResult(activeTx, NKikimrTxDataShard::TEvProposeTransactionResult::ERROR);
-        return false; 
+        return false;
     }
 
-    return CheckSchemaVersion(activeTx, pathId.LocalPathId, finalize); 
+    return CheckSchemaVersion(activeTx, pathId.LocalPathId, finalize);
 }
 
 bool TCheckSchemeTxUnit::CheckDropIndexNotice(TActiveTransaction *activeTx) {
-    if (HasDuplicate(activeTx, "DropIndexNotice", &TPipeline::HasDropIndexNotice)) { 
+    if (HasDuplicate(activeTx, "DropIndexNotice", &TPipeline::HasDropIndexNotice)) {
         return false;
     }
 
-    const auto &notice = activeTx->GetSchemeTx().GetDropIndexNotice(); 
-    if (!HasPathId(activeTx, notice, "DropIndexNotice")) { 
-        return false; 
+    const auto &notice = activeTx->GetSchemeTx().GetDropIndexNotice();
+    if (!HasPathId(activeTx, notice, "DropIndexNotice")) {
+        return false;
     }
 
-    return CheckSchemaVersion(activeTx, notice); 
+    return CheckSchemaVersion(activeTx, notice);
 }
 
 
 bool TCheckSchemeTxUnit::CheckMoveTable(TActiveTransaction *activeTx) {
-    if (HasDuplicate(activeTx, "Move", &TPipeline::HasMove)) { 
+    if (HasDuplicate(activeTx, "Move", &TPipeline::HasMove)) {
         return false;
     }
 
-    const auto &mv = activeTx->GetSchemeTx().GetMoveTable(); 
-    if (!HasPathId(activeTx, mv, "Move")) { 
-        return false; 
+    const auto &mv = activeTx->GetSchemeTx().GetMoveTable();
+    if (!HasPathId(activeTx, mv, "Move")) {
+        return false;
+    }
+
+    return CheckSchemaVersion(activeTx, mv);
+}
+
+bool TCheckSchemeTxUnit::CheckCreateCdcStream(TActiveTransaction *activeTx) {
+    if (HasDuplicate(activeTx, "CreateCdcStream", &TPipeline::HasCreateCdcStream)) {
+        return false;
+    }
+
+    const auto &notice = activeTx->GetSchemeTx().GetCreateCdcStreamNotice();
+    if (!HasPathId(activeTx, notice, "CreateCdcStream")) {
+        return false;
+    }
+
+    return CheckSchemaVersion(activeTx, notice);
+}
+
+bool TCheckSchemeTxUnit::CheckAlterCdcStream(TActiveTransaction *activeTx) {
+    if (HasDuplicate(activeTx, "AlterCdcStream", &TPipeline::HasAlterCdcStream)) {
+        return false;
+    }
+
+    const auto &notice = activeTx->GetSchemeTx().GetAlterCdcStreamNotice();
+    if (!HasPathId(activeTx, notice, "AlterCdcStream")) {
+        return false;
+    }
+
+    return CheckSchemaVersion(activeTx, notice);
+}
+
+bool TCheckSchemeTxUnit::CheckDropCdcStream(TActiveTransaction *activeTx) {
+    if (HasDuplicate(activeTx, "DropCdcStream", &TPipeline::HasDropCdcStream)) {
+        return false;
+    }
+
+    const auto &notice = activeTx->GetSchemeTx().GetDropCdcStreamNotice();
+    if (!HasPathId(activeTx, notice, "DropCdcStream")) {
+        return false;
     }
 
-    return CheckSchemaVersion(activeTx, mv); 
+    return CheckSchemaVersion(activeTx, notice);
 }
 
-bool TCheckSchemeTxUnit::CheckCreateCdcStream(TActiveTransaction *activeTx) { 
-    if (HasDuplicate(activeTx, "CreateCdcStream", &TPipeline::HasCreateCdcStream)) { 
-        return false; 
-    } 
-
-    const auto &notice = activeTx->GetSchemeTx().GetCreateCdcStreamNotice(); 
-    if (!HasPathId(activeTx, notice, "CreateCdcStream")) { 
-        return false; 
-    } 
- 
-    return CheckSchemaVersion(activeTx, notice); 
-} 
- 
-bool TCheckSchemeTxUnit::CheckAlterCdcStream(TActiveTransaction *activeTx) { 
-    if (HasDuplicate(activeTx, "AlterCdcStream", &TPipeline::HasAlterCdcStream)) { 
-        return false; 
-    } 
- 
-    const auto &notice = activeTx->GetSchemeTx().GetAlterCdcStreamNotice(); 
-    if (!HasPathId(activeTx, notice, "AlterCdcStream")) { 
-        return false; 
-    } 
- 
-    return CheckSchemaVersion(activeTx, notice); 
-} 
- 
-bool TCheckSchemeTxUnit::CheckDropCdcStream(TActiveTransaction *activeTx) { 
-    if (HasDuplicate(activeTx, "DropCdcStream", &TPipeline::HasDropCdcStream)) { 
-        return false; 
-    } 
- 
-    const auto &notice = activeTx->GetSchemeTx().GetDropCdcStreamNotice(); 
-    if (!HasPathId(activeTx, notice, "DropCdcStream")) { 
-        return false; 
-    } 
- 
-    return CheckSchemaVersion(activeTx, notice); 
-} 
- 
 void TCheckSchemeTxUnit::Complete(TOperation::TPtr,
                                   const TActorContext &)
 {
diff --git a/ydb/core/tx/datashard/complete_data_tx_unit.cpp b/ydb/core/tx/datashard/complete_data_tx_unit.cpp
index caa49125c2..c086fa7011 100644
--- a/ydb/core/tx/datashard/complete_data_tx_unit.cpp
+++ b/ydb/core/tx/datashard/complete_data_tx_unit.cpp
@@ -115,8 +115,8 @@ void TCompleteOperationUnit::Complete(TOperation::TPtr op,
     DataShard.SendDelayedAcks(ctx, op->DelayedAcks());
     if (op->IsSchemeTx())
         DataShard.NotifySchemeshard(ctx, op->GetTxId());
- 
-    DataShard.EnqueueChangeRecords(std::move(op->ChangeRecords())); 
+
+    DataShard.EnqueueChangeRecords(std::move(op->ChangeRecords()));
 }
 
 THolder<TExecutionUnit> CreateCompleteOperationUnit(TDataShard &dataShard,
diff --git a/ydb/core/tx/datashard/create_cdc_stream_unit.cpp b/ydb/core/tx/datashard/create_cdc_stream_unit.cpp
index a55c4b7651..8f577f03b4 100644
--- a/ydb/core/tx/datashard/create_cdc_stream_unit.cpp
+++ b/ydb/core/tx/datashard/create_cdc_stream_unit.cpp
@@ -1,79 +1,79 @@
-#include "datashard_impl.h" 
-#include "datashard_pipeline.h" 
-#include "execution_unit_ctors.h" 
- 
-namespace NKikimr { 
+#include "datashard_impl.h"
+#include "datashard_pipeline.h"
+#include "execution_unit_ctors.h"
+
+namespace NKikimr {
 namespace NDataShard {
- 
-class TCreateCdcStreamUnit : public TExecutionUnit { 
-    THolder<TEvChangeExchange::TEvAddSender> AddSender; 
- 
-public: 
+
+class TCreateCdcStreamUnit : public TExecutionUnit {
+    THolder<TEvChangeExchange::TEvAddSender> AddSender;
+
+public:
     TCreateCdcStreamUnit(TDataShard& self, TPipeline& pipeline)
-        : TExecutionUnit(EExecutionUnitKind::CreateCdcStream, false, self, pipeline) 
-    { 
-    } 
- 
-    bool IsReadyToExecute(TOperation::TPtr) const override { 
-        return true; 
-    } 
- 
-    EExecutionStatus Execute(TOperation::TPtr op, TTransactionContext& txc, const TActorContext& ctx) override { 
-        Y_VERIFY(op->IsSchemeTx()); 
- 
-        TActiveTransaction* tx = dynamic_cast<TActiveTransaction*>(op.Get()); 
-        Y_VERIFY_S(tx, "cannot cast operation of kind " << op->GetKind()); 
- 
-        auto& schemeTx = tx->GetSchemeTx(); 
-        if (!schemeTx.HasCreateCdcStreamNotice()) { 
-            return EExecutionStatus::Executed; 
-        } 
- 
-        const auto& params = schemeTx.GetCreateCdcStreamNotice(); 
-        const auto& streamDesc = params.GetStreamDescription(); 
- 
-        const auto pathId = TPathId(params.GetPathId().GetOwnerId(), params.GetPathId().GetLocalId()); 
-        Y_VERIFY(pathId.OwnerId == DataShard.GetPathOwnerId()); 
- 
-        const auto streamPathId = TPathId(streamDesc.GetPathId().GetOwnerId(), streamDesc.GetPathId().GetLocalId()); 
-        Y_VERIFY(streamPathId.OwnerId == DataShard.GetPathOwnerId()); 
- 
-        const auto version = params.GetTableSchemaVersion(); 
-        Y_VERIFY(version); 
- 
-        auto tableInfo = DataShard.AlterTableAddCdcStream(ctx, txc, pathId, version, streamDesc); 
-        DataShard.AddUserTable(pathId, tableInfo); 
- 
-        AddSender.Reset(new TEvChangeExchange::TEvAddSender( 
-            pathId, TEvChangeExchange::ESenderType::CdcStream, streamPathId 
-        )); 
- 
-        /* TODO(ilnaz) 
-        if (streamDesc.GetFormat() == NKikimrSchemeOp::ECdcStreamFormatJson) { 
-            auto& manager = DataShard.GetSchemaSnapshotManager(); 
- 
-            const auto key = TSchemaSnapshotKey(pathId.OwnerId, pathId.LocalPathId, version); 
-            manager.AddSnapshot(txc.DB, key, TSchemaSnapshot(tableInfo, op->GetStep(), op->GetTxId())); 
-            manager.AcquireReference(key); 
-        } 
-        */ 
- 
-        BuildResult(op, NKikimrTxDataShard::TEvProposeTransactionResult::COMPLETE); 
-        op->Result()->SetStepOrderId(op->GetStepOrder().ToPair()); 
- 
-        return EExecutionStatus::DelayCompleteNoMoreRestarts; 
-    } 
- 
-    void Complete(TOperation::TPtr, const TActorContext& ctx) override { 
-        if (AddSender) { 
-            ctx.Send(DataShard.GetChangeSender(), AddSender.Release()); 
-        } 
-    } 
-}; 
- 
+        : TExecutionUnit(EExecutionUnitKind::CreateCdcStream, false, self, pipeline)
+    {
+    }
+
+    bool IsReadyToExecute(TOperation::TPtr) const override {
+        return true;
+    }
+
+    EExecutionStatus Execute(TOperation::TPtr op, TTransactionContext& txc, const TActorContext& ctx) override {
+        Y_VERIFY(op->IsSchemeTx());
+
+        TActiveTransaction* tx = dynamic_cast<TActiveTransaction*>(op.Get());
+        Y_VERIFY_S(tx, "cannot cast operation of kind " << op->GetKind());
+
+        auto& schemeTx = tx->GetSchemeTx();
+        if (!schemeTx.HasCreateCdcStreamNotice()) {
+            return EExecutionStatus::Executed;
+        }
+
+        const auto& params = schemeTx.GetCreateCdcStreamNotice();
+        const auto& streamDesc = params.GetStreamDescription();
+
+        const auto pathId = TPathId(params.GetPathId().GetOwnerId(), params.GetPathId().GetLocalId());
+        Y_VERIFY(pathId.OwnerId == DataShard.GetPathOwnerId());
+
+        const auto streamPathId = TPathId(streamDesc.GetPathId().GetOwnerId(), streamDesc.GetPathId().GetLocalId());
+        Y_VERIFY(streamPathId.OwnerId == DataShard.GetPathOwnerId());
+
+        const auto version = params.GetTableSchemaVersion();
+        Y_VERIFY(version);
+
+        auto tableInfo = DataShard.AlterTableAddCdcStream(ctx, txc, pathId, version, streamDesc);
+        DataShard.AddUserTable(pathId, tableInfo);
+
+        AddSender.Reset(new TEvChangeExchange::TEvAddSender(
+            pathId, TEvChangeExchange::ESenderType::CdcStream, streamPathId
+        ));
+
+        /* TODO(ilnaz)
+        if (streamDesc.GetFormat() == NKikimrSchemeOp::ECdcStreamFormatJson) {
+            auto& manager = DataShard.GetSchemaSnapshotManager();
+
+            const auto key = TSchemaSnapshotKey(pathId.OwnerId, pathId.LocalPathId, version);
+            manager.AddSnapshot(txc.DB, key, TSchemaSnapshot(tableInfo, op->GetStep(), op->GetTxId()));
+            manager.AcquireReference(key);
+        }
+        */
+
+        BuildResult(op, NKikimrTxDataShard::TEvProposeTransactionResult::COMPLETE);
+        op->Result()->SetStepOrderId(op->GetStepOrder().ToPair());
+
+        return EExecutionStatus::DelayCompleteNoMoreRestarts;
+    }
+
+    void Complete(TOperation::TPtr, const TActorContext& ctx) override {
+        if (AddSender) {
+            ctx.Send(DataShard.GetChangeSender(), AddSender.Release());
+        }
+    }
+};
+
 THolder<TExecutionUnit> CreateCreateCdcStreamUnit(TDataShard& self, TPipeline& pipeline) {
-    return THolder(new TCreateCdcStreamUnit(self, pipeline)); 
-} 
- 
+    return THolder(new TCreateCdcStreamUnit(self, pipeline));
+}
+
 } // namespace NDataShard
-} // namespace NKikimr 
+} // namespace NKikimr
diff --git a/ydb/core/tx/datashard/create_table_unit.cpp b/ydb/core/tx/datashard/create_table_unit.cpp
index 39571fbf51..85f38d456a 100644
--- a/ydb/core/tx/datashard/create_table_unit.cpp
+++ b/ydb/core/tx/datashard/create_table_unit.cpp
@@ -19,7 +19,7 @@ public:
                   const TActorContext &ctx) override;
 
 private:
-    TVector<THolder<TEvChangeExchange::TEvAddSender>> AddSenders; 
+    TVector<THolder<TEvChangeExchange::TEvAddSender>> AddSenders;
 };
 
 TCreateTableUnit::TCreateTableUnit(TDataShard &dataShard,
@@ -66,14 +66,14 @@ EExecutionStatus TCreateTableUnit::Execute(TOperation::TPtr op,
     TUserTable::TPtr info = DataShard.CreateUserTable(txc, schemeTx.GetCreateTable());
     DataShard.AddUserTable(tableId, info);
 
-    for (const auto& [indexPathId, indexInfo] : info->Indexes) { 
+    for (const auto& [indexPathId, indexInfo] : info->Indexes) {
         if (indexInfo.Type == NKikimrSchemeOp::EIndexType::EIndexTypeGlobalAsync) {
-            AddSenders.emplace_back(new TEvChangeExchange::TEvAddSender( 
-                tableId, TEvChangeExchange::ESenderType::AsyncIndex, indexPathId 
-            )); 
-        } 
-    } 
- 
+            AddSenders.emplace_back(new TEvChangeExchange::TEvAddSender(
+                tableId, TEvChangeExchange::ESenderType::AsyncIndex, indexPathId
+            ));
+        }
+    }
+
     BuildResult(op, NKikimrTxDataShard::TEvProposeTransactionResult::COMPLETE);
     op->Result()->SetStepOrderId(op->GetStepOrder().ToPair());
 
@@ -83,16 +83,16 @@ EExecutionStatus TCreateTableUnit::Execute(TOperation::TPtr op,
         DataShard.CheckMvccStateChangeCanStart(ctx); // Recheck
     }
 
-    return EExecutionStatus::DelayCompleteNoMoreRestarts; 
+    return EExecutionStatus::DelayCompleteNoMoreRestarts;
 }
 
-void TCreateTableUnit::Complete(TOperation::TPtr, const TActorContext &ctx) 
+void TCreateTableUnit::Complete(TOperation::TPtr, const TActorContext &ctx)
 {
-    for (auto& ev : AddSenders) { 
-        ctx.Send(DataShard.GetChangeSender(), ev.Release()); 
-    } 
- 
-    DataShard.MaybeActivateChangeSender(ctx); 
+    for (auto& ev : AddSenders) {
+        ctx.Send(DataShard.GetChangeSender(), ev.Release());
+    }
+
+    DataShard.MaybeActivateChangeSender(ctx);
 }
 
 THolder<TExecutionUnit> CreateCreateTableUnit(TDataShard &dataShard,
diff --git a/ydb/core/tx/datashard/datashard.cpp b/ydb/core/tx/datashard/datashard.cpp
index 2344c9aa72..d86568b4a1 100644
--- a/ydb/core/tx/datashard/datashard.cpp
+++ b/ydb/core/tx/datashard/datashard.cpp
@@ -111,8 +111,8 @@ TDataShard::TDataShard(const TActorId &tablet, TTabletStorageInfo *info)
     , State(TShardState::Uninitialized)
     , LastLocalTid(Schema::MinLocalTid)
     , LastSeqno(1)
-    , NextChangeRecordOrder(1) 
-    , LastChangeRecordGroup(1) 
+    , NextChangeRecordOrder(1)
+    , LastChangeRecordGroup(1)
     , TxReadSizeLimit(0)
     , StatisticsDisabled(0)
     , DisabledKeySampler(new NMiniKQL::TNoopKeySampler())
@@ -123,7 +123,7 @@ TDataShard::TDataShard(const TActorId &tablet, TTabletStorageInfo *info)
     , Pipeline(this)
     , SysLocks(this)
     , SnapshotManager(this)
-    , SchemaSnapshotManager(this) 
+    , SchemaSnapshotManager(this)
     , DisableByKeyFilter(0, 0, 1)
     , MaxTxInFly(15000, 0, 100000)
     , MaxTxLagMilliseconds(5*60*1000, 0, 30*24*3600*1000ll)
@@ -141,8 +141,8 @@ TDataShard::TDataShard(const TActorId &tablet, TTabletStorageInfo *info)
     , BackupReadAheadLo(0, 0, 64*1024*1024)
     , BackupReadAheadHi(0, 0, 128*1024*1024)
     , DataShardSysTables(InitDataShardSysTables(this))
-    , ChangeSenderActivator(info->TabletID) 
-    , ChangeExchangeSplitter(this) 
+    , ChangeSenderActivator(info->TabletID)
+    , ChangeExchangeSplitter(this)
 {
     TabletCountersPtr.Reset(new TProtobufTabletCounters<
         ESimpleCounters_descriptor,
@@ -166,7 +166,7 @@ NTabletPipe::TClientConfig TDataShard::GetPipeClientConfig() {
 }
 
 void TDataShard::OnDetach(const TActorContext &ctx) {
-    Cleanup(ctx); 
+    Cleanup(ctx);
     LOG_INFO_S(ctx, NKikimrServices::TX_DATASHARD, "OnDetach: " << TabletID());
     return Die(ctx);
 }
@@ -258,24 +258,24 @@ void TDataShard::OnStopGuardComplete(const TActorContext &ctx) {
 void TDataShard::OnTabletDead(TEvTablet::TEvTabletDead::TPtr &ev, const TActorContext &ctx) {
     Y_UNUSED(ev);
     LOG_INFO_S(ctx, NKikimrServices::TX_DATASHARD, "OnTabletDead: " << TabletID());
-    Cleanup(ctx); 
+    Cleanup(ctx);
     return Die(ctx);
 }
 
-void TDataShard::Cleanup(const TActorContext& ctx) { 
+void TDataShard::Cleanup(const TActorContext& ctx) {
     //PipeClientCache->Detach(ctx);
     if (RegistrationSended) {
-        ctx.Send(MakeMediatorTimecastProxyID(), new TEvMediatorTimecast::TEvUnregisterTablet(TabletID())); 
+        ctx.Send(MakeMediatorTimecastProxyID(), new TEvMediatorTimecast::TEvUnregisterTablet(TabletID()));
+    }
+
+    if (Pipeline.HasRestore()) {
+        auto op = Pipeline.FindOp(Pipeline.CurrentSchemaTxId());
+        if (op && op->IsWaitingForAsyncJob()) {
+            TActiveTransaction* tx = dynamic_cast<TActiveTransaction*>(op.Get());
+            Y_VERIFY(tx);
+            tx->KillAsyncJobActor(ctx);
+        }
     }
- 
-    if (Pipeline.HasRestore()) { 
-        auto op = Pipeline.FindOp(Pipeline.CurrentSchemaTxId()); 
-        if (op && op->IsWaitingForAsyncJob()) { 
-            TActiveTransaction* tx = dynamic_cast<TActiveTransaction*>(op.Get()); 
-            Y_VERIFY(tx); 
-            tx->KillAsyncJobActor(ctx); 
-        } 
-    } 
 }
 
 void TDataShard::OnActivateExecutor(const TActorContext& ctx) {
@@ -440,39 +440,39 @@ void TDataShard::FillExecutionStats(const TExecutionProfile& execProfile, TEvDat
 }
 
 ui64 TDataShard::AllocateChangeRecordOrder(NIceDb::TNiceDb& db) {
-    const ui64 result = NextChangeRecordOrder++; 
-    PersistSys(db, Schema::Sys_NextChangeRecordOrder, NextChangeRecordOrder); 
- 
-    return result; 
-} 
- 
+    const ui64 result = NextChangeRecordOrder++;
+    PersistSys(db, Schema::Sys_NextChangeRecordOrder, NextChangeRecordOrder);
+
+    return result;
+}
+
 ui64 TDataShard::AllocateChangeRecordGroup(NIceDb::TNiceDb& db) {
-    const ui64 now = TInstant::Now().GetValue(); 
-    const ui64 result = now > LastChangeRecordGroup ? now : (LastChangeRecordGroup + 1); 
- 
-    LastChangeRecordGroup = result; 
-    PersistSys(db, Schema::Sys_LastChangeRecordGroup, LastChangeRecordGroup); 
-
-    return result; 
-} 
- 
+    const ui64 now = TInstant::Now().GetValue();
+    const ui64 result = now > LastChangeRecordGroup ? now : (LastChangeRecordGroup + 1);
+
+    LastChangeRecordGroup = result;
+    PersistSys(db, Schema::Sys_LastChangeRecordGroup, LastChangeRecordGroup);
+
+    return result;
+}
+
 void TDataShard::PersistChangeRecord(NIceDb::TNiceDb& db, const TChangeRecord& record) {
     LOG_DEBUG_S(*TlsActivationContext, NKikimrServices::TX_DATASHARD, "PersistChangeRecord"
         << ": record: " << record
         << ", at tablet: " << TabletID());
 
-    db.Table<Schema::ChangeRecords>().Key(record.GetOrder()).Update( 
-        NIceDb::TUpdate<Schema::ChangeRecords::Group>(record.GetGroup()), 
-        NIceDb::TUpdate<Schema::ChangeRecords::PlanStep>(record.GetStep()), 
-        NIceDb::TUpdate<Schema::ChangeRecords::TxId>(record.GetTxId()), 
-        NIceDb::TUpdate<Schema::ChangeRecords::PathOwnerId>(record.GetPathId().OwnerId), 
-        NIceDb::TUpdate<Schema::ChangeRecords::LocalPathId>(record.GetPathId().LocalPathId), 
-        NIceDb::TUpdate<Schema::ChangeRecords::BodySize>(record.GetBody().size())); 
-    db.Table<Schema::ChangeRecordDetails>().Key(record.GetOrder()).Update( 
-        NIceDb::TUpdate<Schema::ChangeRecordDetails::Kind>(record.GetKind()), 
-        NIceDb::TUpdate<Schema::ChangeRecordDetails::Body>(record.GetBody())); 
-} 
- 
+    db.Table<Schema::ChangeRecords>().Key(record.GetOrder()).Update(
+        NIceDb::TUpdate<Schema::ChangeRecords::Group>(record.GetGroup()),
+        NIceDb::TUpdate<Schema::ChangeRecords::PlanStep>(record.GetStep()),
+        NIceDb::TUpdate<Schema::ChangeRecords::TxId>(record.GetTxId()),
+        NIceDb::TUpdate<Schema::ChangeRecords::PathOwnerId>(record.GetPathId().OwnerId),
+        NIceDb::TUpdate<Schema::ChangeRecords::LocalPathId>(record.GetPathId().LocalPathId),
+        NIceDb::TUpdate<Schema::ChangeRecords::BodySize>(record.GetBody().size()));
+    db.Table<Schema::ChangeRecordDetails>().Key(record.GetOrder()).Update(
+        NIceDb::TUpdate<Schema::ChangeRecordDetails::Kind>(record.GetKind()),
+        NIceDb::TUpdate<Schema::ChangeRecordDetails::Body>(record.GetBody()));
+}
+
 void TDataShard::MoveChangeRecord(NIceDb::TNiceDb& db, ui64 order, const TPathId& pathId) {
     LOG_DEBUG_S(*TlsActivationContext, NKikimrServices::TX_DATASHARD, "MoveChangeRecord"
         << ": order: " << order
@@ -489,96 +489,96 @@ void TDataShard::RemoveChangeRecord(NIceDb::TNiceDb& db, ui64 order) {
         << ": order: " << order
         << ", at tablet: " << TabletID());
 
-    auto it = ChangesQueue.find(order); 
-    if (it != ChangesQueue.end()) { 
-        Y_VERIFY(it->second <= ChangesQueueBytes); 
-        ChangesQueueBytes -= it->second; 
-        ChangesQueue.erase(it); 
-    } 
- 
-    db.Table<Schema::ChangeRecords>().Key(order).Delete(); 
-    db.Table<Schema::ChangeRecordDetails>().Key(order).Delete(); 
-} 
- 
+    auto it = ChangesQueue.find(order);
+    if (it != ChangesQueue.end()) {
+        Y_VERIFY(it->second <= ChangesQueueBytes);
+        ChangesQueueBytes -= it->second;
+        ChangesQueue.erase(it);
+    }
+
+    db.Table<Schema::ChangeRecords>().Key(order).Delete();
+    db.Table<Schema::ChangeRecordDetails>().Key(order).Delete();
+}
+
 void TDataShard::EnqueueChangeRecords(TVector<TEvChangeExchange::TEvEnqueueRecords::TRecordInfo>&& records) {
-    if (!records) { 
-        return; 
-    } 
- 
-    LOG_DEBUG_S(*TlsActivationContext, NKikimrServices::TX_DATASHARD, "EnqueueChangeRecords" 
-        << ": at tablet: " << TabletID() 
-        << ", records: " << JoinSeq(", ", records)); 
- 
-    for (const auto& record : records) { 
-        if (ChangesQueue.emplace(record.Order, record.BodySize).second) { 
-            Y_VERIFY(ChangesQueueBytes <= (Max<ui64>() - record.BodySize)); 
-            ChangesQueueBytes += record.BodySize; 
-        } 
-    } 
- 
-    Y_VERIFY(OutChangeSender); 
-    Send(OutChangeSender, new TEvChangeExchange::TEvEnqueueRecords(std::move(records))); 
-} 
- 
+    if (!records) {
+        return;
+    }
+
+    LOG_DEBUG_S(*TlsActivationContext, NKikimrServices::TX_DATASHARD, "EnqueueChangeRecords"
+        << ": at tablet: " << TabletID()
+        << ", records: " << JoinSeq(", ", records));
+
+    for (const auto& record : records) {
+        if (ChangesQueue.emplace(record.Order, record.BodySize).second) {
+            Y_VERIFY(ChangesQueueBytes <= (Max<ui64>() - record.BodySize));
+            ChangesQueueBytes += record.BodySize;
+        }
+    }
+
+    Y_VERIFY(OutChangeSender);
+    Send(OutChangeSender, new TEvChangeExchange::TEvEnqueueRecords(std::move(records)));
+}
+
 void TDataShard::CreateChangeSender(const TActorContext& ctx) {
-    Y_VERIFY(!OutChangeSender); 
+    Y_VERIFY(!OutChangeSender);
     OutChangeSender = Register(NDataShard::CreateChangeSender(this));
- 
-    LOG_DEBUG_S(ctx, NKikimrServices::TX_DATASHARD, "Change sender created" 
-        << ": at tablet: " << TabletID() 
-        << ", actorId: " << OutChangeSender); 
-} 
- 
+
+    LOG_DEBUG_S(ctx, NKikimrServices::TX_DATASHARD, "Change sender created"
+        << ": at tablet: " << TabletID()
+        << ", actorId: " << OutChangeSender);
+}
+
 void TDataShard::MaybeActivateChangeSender(const TActorContext& ctx) {
-    LOG_DEBUG_S(ctx, NKikimrServices::TX_DATASHARD, "Trying to activate change sender" 
-        << ": at tablet: " << TabletID()); 
- 
-    if (ReceiveActivationsFrom) { 
-        LOG_NOTICE_S(ctx, NKikimrServices::TX_DATASHARD, "Cannot activate change sender" 
-            << ": at tablet: " << TabletID() 
-            << ", wait to activation from: " << JoinSeq(", ", ReceiveActivationsFrom)); 
-        return; 
-    } 
- 
-    switch (State) { 
-    case TShardState::WaitScheme: 
-    case TShardState::SplitDstReceivingSnapshot: 
-    case TShardState::Offline: 
-        LOG_INFO_S(ctx, NKikimrServices::TX_DATASHARD, "Cannot activate change sender" 
-            << ": at tablet: " << TabletID() 
-            << ", state: " << DatashardStateName(State)); 
-        return; 
- 
-    case TShardState::SplitSrcMakeSnapshot: 
-    case TShardState::SplitSrcSendingSnapshot: 
-    case TShardState::SplitSrcWaitForPartitioningChanged: 
-    case TShardState::PreOffline: 
-        if (!ChangesQueue) { 
-            LOG_INFO_S(ctx, NKikimrServices::TX_DATASHARD, "Cannot activate change sender" 
-                << ": at tablet: " << TabletID() 
-                << ", state: " << DatashardStateName(State) 
-                << ", queue size: " << ChangesQueue.size()); 
-            return; 
-        } 
-        break; 
-    } 
- 
-    Y_VERIFY(OutChangeSender); 
-    Send(OutChangeSender, new TEvChangeExchange::TEvActivateSender()); 
- 
-    LOG_INFO_S(ctx, NKikimrServices::TX_DATASHARD, "Change sender activated" 
-        << ": at tablet: " << TabletID()); 
-} 
- 
+    LOG_DEBUG_S(ctx, NKikimrServices::TX_DATASHARD, "Trying to activate change sender"
+        << ": at tablet: " << TabletID());
+
+    if (ReceiveActivationsFrom) {
+        LOG_NOTICE_S(ctx, NKikimrServices::TX_DATASHARD, "Cannot activate change sender"
+            << ": at tablet: " << TabletID()
+            << ", wait to activation from: " << JoinSeq(", ", ReceiveActivationsFrom));
+        return;
+    }
+
+    switch (State) {
+    case TShardState::WaitScheme:
+    case TShardState::SplitDstReceivingSnapshot:
+    case TShardState::Offline:
+        LOG_INFO_S(ctx, NKikimrServices::TX_DATASHARD, "Cannot activate change sender"
+            << ": at tablet: " << TabletID()
+            << ", state: " << DatashardStateName(State));
+        return;
+
+    case TShardState::SplitSrcMakeSnapshot:
+    case TShardState::SplitSrcSendingSnapshot:
+    case TShardState::SplitSrcWaitForPartitioningChanged:
+    case TShardState::PreOffline:
+        if (!ChangesQueue) {
+            LOG_INFO_S(ctx, NKikimrServices::TX_DATASHARD, "Cannot activate change sender"
+                << ": at tablet: " << TabletID()
+                << ", state: " << DatashardStateName(State)
+                << ", queue size: " << ChangesQueue.size());
+            return;
+        }
+        break;
+    }
+
+    Y_VERIFY(OutChangeSender);
+    Send(OutChangeSender, new TEvChangeExchange::TEvActivateSender());
+
+    LOG_INFO_S(ctx, NKikimrServices::TX_DATASHARD, "Change sender activated"
+        << ": at tablet: " << TabletID());
+}
+
 void TDataShard::KillChangeSender(const TActorContext& ctx) {
-    if (OutChangeSender) { 
-        Send(std::exchange(OutChangeSender, TActorId()), new TEvents::TEvPoison()); 
- 
-        LOG_INFO_S(ctx, NKikimrServices::TX_DATASHARD, "Change sender killed" 
-            << ": at tablet: " << TabletID()); 
-    } 
-} 
- 
+    if (OutChangeSender) {
+        Send(std::exchange(OutChangeSender, TActorId()), new TEvents::TEvPoison());
+
+        LOG_INFO_S(ctx, NKikimrServices::TX_DATASHARD, "Change sender killed"
+            << ": at tablet: " << TabletID());
+    }
+}
+
 bool TDataShard::LoadChangeRecords(NIceDb::TNiceDb& db, TVector<TEvChangeExchange::TEvEnqueueRecords::TRecordInfo>& changeRecords) {
     using Schema = TDataShard::Schema;
 
@@ -611,14 +611,14 @@ bool TDataShard::LoadChangeRecords(NIceDb::TNiceDb& db, TVector<TEvChangeExchang
 }
 
 void TDataShard::PersistSchemeTxResult(NIceDb::TNiceDb &db, const TSchemaOperation &op) {
-    db.Table<Schema::SchemaOperations>().Key(op.TxId).Update( 
-        NIceDb::TUpdate<Schema::SchemaOperations::Success>(op.Success), 
-        NIceDb::TUpdate<Schema::SchemaOperations::Error>(op.Error), 
-        NIceDb::TUpdate<Schema::SchemaOperations::DataSize>(op.BytesProcessed), 
-        NIceDb::TUpdate<Schema::SchemaOperations::Rows>(op.RowsProcessed) 
-    ); 
-} 
- 
+    db.Table<Schema::SchemaOperations>().Key(op.TxId).Update(
+        NIceDb::TUpdate<Schema::SchemaOperations::Success>(op.Success),
+        NIceDb::TUpdate<Schema::SchemaOperations::Error>(op.Error),
+        NIceDb::TUpdate<Schema::SchemaOperations::DataSize>(op.BytesProcessed),
+        NIceDb::TUpdate<Schema::SchemaOperations::Rows>(op.RowsProcessed)
+    );
+}
+
 void TDataShard::NotifySchemeshard(const TActorContext& ctx, ui64 txId) {
     if (!txId) {
         for (const auto& op : TransQueue.GetSchemaOperations())
@@ -626,7 +626,7 @@ void TDataShard::NotifySchemeshard(const TActorContext& ctx, ui64 txId) {
         return;
     }
 
-    TSchemaOperation * op = TransQueue.FindSchemaTx(txId); 
+    TSchemaOperation * op = TransQueue.FindSchemaTx(txId);
     if (!op || !op->Done)
         return;
 
@@ -646,13 +646,13 @@ void TDataShard::NotifySchemeshard(const TActorContext& ctx, ui64 txId) {
         THolder(new TEvDataShard::TEvSchemaChanged(ctx.SelfID, TabletID(), State, op->TxId, op->PlanStep, Generation()));
 
     switch (op->Type) {
-        case TSchemaOperation::ETypeBackup: 
-        case TSchemaOperation::ETypeRestore: { 
-            auto* result = event->Record.MutableOpResult(); 
-            result->SetSuccess(op->Success); 
-            result->SetExplain(op->Error); 
-            result->SetBytesProcessed(op->BytesProcessed); 
-            result->SetRowsProcessed(op->RowsProcessed); 
+        case TSchemaOperation::ETypeBackup:
+        case TSchemaOperation::ETypeRestore: {
+            auto* result = event->Record.MutableOpResult();
+            result->SetSuccess(op->Success);
+            result->SetExplain(op->Error);
+            result->SetBytesProcessed(op->BytesProcessed);
+            result->SetRowsProcessed(op->RowsProcessed);
             break;
         }
         default:
@@ -712,8 +712,8 @@ void TDataShard::PersistMoveUserTable(NIceDb::TNiceDb& db, ui64 prevTableId, ui6
 }
 
 TUserTable::TPtr TDataShard::AlterTableSchemaVersion(
-    const TActorContext&, TTransactionContext& txc, 
-    const TPathId& pathId, const ui64 tableSchemaVersion, bool persist) 
+    const TActorContext&, TTransactionContext& txc,
+    const TPathId& pathId, const ui64 tableSchemaVersion, bool persist)
 {
 
     Y_VERIFY(GetPathOwnerId() == pathId.OwnerId);
@@ -731,84 +731,84 @@ TUserTable::TPtr TDataShard::AlterTableSchemaVersion(
                      << "old version " << oldTableInfo->GetTableSchemaVersion()
                      << "new version " << newTableInfo->GetTableSchemaVersion());
 
-    if (persist) { 
-        NIceDb::TNiceDb db(txc.DB); 
-        PersistUserTable(db, tableId, *newTableInfo); 
-    } 
+    if (persist) {
+        NIceDb::TNiceDb db(txc.DB);
+        PersistUserTable(db, tableId, *newTableInfo);
+    }
 
     return newTableInfo;
 }
 
 TUserTable::TPtr TDataShard::AlterTableAddIndex(
-    const TActorContext& ctx, TTransactionContext& txc, 
-    const TPathId& pathId, ui64 tableSchemaVersion, 
+    const TActorContext& ctx, TTransactionContext& txc,
+    const TPathId& pathId, ui64 tableSchemaVersion,
     const NKikimrSchemeOp::TIndexDescription& indexDesc)
-{ 
-    auto tableInfo = AlterTableSchemaVersion(ctx, txc, pathId, tableSchemaVersion, false); 
-    tableInfo->AddIndex(indexDesc); 
- 
-    NIceDb::TNiceDb db(txc.DB); 
-    PersistUserTable(db, pathId.LocalPathId, *tableInfo); 
- 
-    return tableInfo; 
-} 
- 
+{
+    auto tableInfo = AlterTableSchemaVersion(ctx, txc, pathId, tableSchemaVersion, false);
+    tableInfo->AddIndex(indexDesc);
+
+    NIceDb::TNiceDb db(txc.DB);
+    PersistUserTable(db, pathId.LocalPathId, *tableInfo);
+
+    return tableInfo;
+}
+
 TUserTable::TPtr TDataShard::AlterTableDropIndex(
-    const TActorContext& ctx, TTransactionContext& txc, 
-    const TPathId& pathId, ui64 tableSchemaVersion, 
-    const TPathId& indexPathId) 
-{ 
-    auto tableInfo = AlterTableSchemaVersion(ctx, txc, pathId, tableSchemaVersion, false); 
-    tableInfo->DropIndex(indexPathId); 
- 
-    NIceDb::TNiceDb db(txc.DB); 
-    PersistUserTable(db, pathId.LocalPathId, *tableInfo); 
- 
-    return tableInfo; 
-} 
- 
+    const TActorContext& ctx, TTransactionContext& txc,
+    const TPathId& pathId, ui64 tableSchemaVersion,
+    const TPathId& indexPathId)
+{
+    auto tableInfo = AlterTableSchemaVersion(ctx, txc, pathId, tableSchemaVersion, false);
+    tableInfo->DropIndex(indexPathId);
+
+    NIceDb::TNiceDb db(txc.DB);
+    PersistUserTable(db, pathId.LocalPathId, *tableInfo);
+
+    return tableInfo;
+}
+
 TUserTable::TPtr TDataShard::AlterTableAddCdcStream(
-    const TActorContext& ctx, TTransactionContext& txc, 
-    const TPathId& pathId, ui64 tableSchemaVersion, 
+    const TActorContext& ctx, TTransactionContext& txc,
+    const TPathId& pathId, ui64 tableSchemaVersion,
     const NKikimrSchemeOp::TCdcStreamDescription& streamDesc)
-{ 
-    auto tableInfo = AlterTableSchemaVersion(ctx, txc, pathId, tableSchemaVersion, false); 
-    tableInfo->AddCdcStream(streamDesc); 
- 
-    NIceDb::TNiceDb db(txc.DB); 
-    PersistUserTable(db, pathId.LocalPathId, *tableInfo); 
- 
-    return tableInfo; 
-} 
- 
+{
+    auto tableInfo = AlterTableSchemaVersion(ctx, txc, pathId, tableSchemaVersion, false);
+    tableInfo->AddCdcStream(streamDesc);
+
+    NIceDb::TNiceDb db(txc.DB);
+    PersistUserTable(db, pathId.LocalPathId, *tableInfo);
+
+    return tableInfo;
+}
+
 TUserTable::TPtr TDataShard::AlterTableDisableCdcStream(
-    const TActorContext& ctx, TTransactionContext& txc, 
-    const TPathId& pathId, ui64 tableSchemaVersion, 
-    const TPathId& streamPathId) 
-{ 
-    auto tableInfo = AlterTableSchemaVersion(ctx, txc, pathId, tableSchemaVersion, false); 
-    tableInfo->DisableCdcStream(streamPathId); 
- 
-    NIceDb::TNiceDb db(txc.DB); 
-    PersistUserTable(db, pathId.LocalPathId, *tableInfo); 
- 
-    return tableInfo; 
-} 
- 
+    const TActorContext& ctx, TTransactionContext& txc,
+    const TPathId& pathId, ui64 tableSchemaVersion,
+    const TPathId& streamPathId)
+{
+    auto tableInfo = AlterTableSchemaVersion(ctx, txc, pathId, tableSchemaVersion, false);
+    tableInfo->DisableCdcStream(streamPathId);
+
+    NIceDb::TNiceDb db(txc.DB);
+    PersistUserTable(db, pathId.LocalPathId, *tableInfo);
+
+    return tableInfo;
+}
+
 TUserTable::TPtr TDataShard::AlterTableDropCdcStream(
-    const TActorContext& ctx, TTransactionContext& txc, 
-    const TPathId& pathId, ui64 tableSchemaVersion, 
-    const TPathId& streamPathId) 
-{ 
-    auto tableInfo = AlterTableSchemaVersion(ctx, txc, pathId, tableSchemaVersion, false); 
-    tableInfo->DropCdcStream(streamPathId); 
- 
-    NIceDb::TNiceDb db(txc.DB); 
-    PersistUserTable(db, pathId.LocalPathId, *tableInfo); 
- 
-    return tableInfo; 
-} 
- 
+    const TActorContext& ctx, TTransactionContext& txc,
+    const TPathId& pathId, ui64 tableSchemaVersion,
+    const TPathId& streamPathId)
+{
+    auto tableInfo = AlterTableSchemaVersion(ctx, txc, pathId, tableSchemaVersion, false);
+    tableInfo->DropCdcStream(streamPathId);
+
+    NIceDb::TNiceDb db(txc.DB);
+    PersistUserTable(db, pathId.LocalPathId, *tableInfo);
+
+    return tableInfo;
+}
+
 TUserTable::TPtr TDataShard::CreateUserTable(TTransactionContext& txc,
     const NKikimrSchemeOp::TTableDescription& tableScheme)
 {
@@ -1517,7 +1517,7 @@ void TDataShard::Handle(TEvDataShard::TEvProposeTransaction::TPtr &ev, const TAc
     case NKikimrTxDataShard::TX_KIND_DATA:
     case NKikimrTxDataShard::TX_KIND_SCAN:
     case NKikimrTxDataShard::TX_KIND_SNAPSHOT:
-    case NKikimrTxDataShard::TX_KIND_DISTRIBUTED_ERASE: 
+    case NKikimrTxDataShard::TX_KIND_DISTRIBUTED_ERASE:
     case NKikimrTxDataShard::TX_KIND_COMMIT_WRITES:
         ProposeTransaction(std::move(ev), ctx);
         return;
@@ -1793,16 +1793,16 @@ void TDataShard::Handle(TEvTabletPipe::TEvClientConnected::TPtr &ev, const TActo
         }
     }
 
-    if (ChangeSenderActivator.Has(ev->Get()->TabletId, ev->Get()->ClientId)) { 
-        if (ev->Get()->Status != NKikimrProto::OK) { 
-            if (!ev->Get()->Dead) { 
-                ChangeSenderActivator.DoSend(ev->Get()->TabletId, ctx); 
-            } else { 
-                ChangeSenderActivator.AutoAck(ev->Get()->TabletId, ctx); 
-            } 
-        } 
-    } 
- 
+    if (ChangeSenderActivator.Has(ev->Get()->TabletId, ev->Get()->ClientId)) {
+        if (ev->Get()->Status != NKikimrProto::OK) {
+            if (!ev->Get()->Dead) {
+                ChangeSenderActivator.DoSend(ev->Get()->TabletId, ctx);
+            } else {
+                ChangeSenderActivator.AutoAck(ev->Get()->TabletId, ctx);
+            }
+        }
+    }
+
     if (!PipeClientCache->OnConnect(ev)) {
         if (ev->Get()->Dead) {
             AckRSToDeletedTablet(ev->Get()->TabletId, ctx);
@@ -1849,10 +1849,10 @@ void TDataShard::Handle(TEvTabletPipe::TEvClientDestroyed::TPtr &ev, const TActo
         SplitSrcSnapshotSender.DoSend(ev->Get()->TabletId, ctx);
     }
 
-    if (ChangeSenderActivator.Has(ev->Get()->TabletId, ev->Get()->ClientId)) { 
-        ChangeSenderActivator.DoSend(ev->Get()->TabletId, ctx); 
-    } 
- 
+    if (ChangeSenderActivator.Has(ev->Get()->TabletId, ev->Get()->ClientId)) {
+        ChangeSenderActivator.DoSend(ev->Get()->TabletId, ctx);
+    }
+
     LOG_DEBUG(ctx, NKikimrServices::TX_DATASHARD, "Client pipe to tablet %" PRIu64 " from %" PRIu64 " is reset", ev->Get()->TabletId, TabletID());
     PipeClientCache->OnDisconnect(ev);
     RestartPipeRS(ev->Get()->TabletId, ctx);
@@ -1959,12 +1959,12 @@ bool TDataShard::CheckTxNeedWait(const TEvDataShard::TEvProposeTransaction::TPtr
 }
 
 bool TDataShard::CheckChangesQueueOverflow() const {
-    const auto* appData = AppData(); 
-    const auto sizeLimit = appData->DataShardConfig.GetChangesQueueItemsLimit(); 
-    const auto bytesLimit = appData->DataShardConfig.GetChangesQueueBytesLimit(); 
-    return ChangesQueue.size() >= sizeLimit || ChangesQueueBytes >= bytesLimit; 
-} 
- 
+    const auto* appData = AppData();
+    const auto sizeLimit = appData->DataShardConfig.GetChangesQueueItemsLimit();
+    const auto bytesLimit = appData->DataShardConfig.GetChangesQueueBytesLimit();
+    return ChangesQueue.size() >= sizeLimit || ChangesQueueBytes >= bytesLimit;
+}
+
 void TDataShard::Handle(TEvDataShard::TEvCancelTransactionProposal::TPtr &ev, const TActorContext &ctx) {
     ui64 txId = ev->Get()->Record.GetTxId();
     LOG_DEBUG_S(ctx, NKikimrServices::TX_DATASHARD, "Got TEvDataShard::TEvCancelTransactionProposal " << TabletID()
@@ -2464,51 +2464,51 @@ void TDataShard::Handle(TEvDataShard::TEvMigrateSchemeShardRequest::TPtr& ev,
 }
 
 void TDataShard::Handle(TEvDataShard::TEvCancelBackup::TPtr& ev, const TActorContext& ctx)
-{ 
-    TOperation::TPtr op = Pipeline.FindOp(ev->Get()->Record.GetBackupTxId()); 
-    if (op) { 
-        ForwardEventToOperation(ev, op, ctx); 
-    } 
-} 
- 
+{
+    TOperation::TPtr op = Pipeline.FindOp(ev->Get()->Record.GetBackupTxId());
+    if (op) {
+        ForwardEventToOperation(ev, op, ctx);
+    }
+}
+
 void TDataShard::Handle(TEvDataShard::TEvCancelRestore::TPtr& ev, const TActorContext& ctx)
-{ 
-    TOperation::TPtr op = Pipeline.FindOp(ev->Get()->Record.GetRestoreTxId()); 
-    if (op) { 
-        ForwardEventToOperation(ev, op, ctx); 
-    } 
-} 
- 
+{
+    TOperation::TPtr op = Pipeline.FindOp(ev->Get()->Record.GetRestoreTxId());
+    if (op) {
+        ForwardEventToOperation(ev, op, ctx);
+    }
+}
+
 void TDataShard::Handle(TEvDataShard::TEvGetS3Upload::TPtr& ev, const TActorContext& ctx)
-{ 
-    Execute(new TTxGetS3Upload(this, ev), ctx); 
-} 
- 
+{
+    Execute(new TTxGetS3Upload(this, ev), ctx);
+}
+
 void TDataShard::Handle(TEvDataShard::TEvStoreS3UploadId::TPtr& ev, const TActorContext& ctx)
-{ 
-    Execute(new TTxStoreS3UploadId(this, ev), ctx); 
-} 
- 
+{
+    Execute(new TTxStoreS3UploadId(this, ev), ctx);
+}
+
 void TDataShard::Handle(TEvDataShard::TEvChangeS3UploadStatus::TPtr& ev, const TActorContext& ctx)
-{ 
-    Execute(new TTxChangeS3UploadStatus(this, ev), ctx); 
-} 
- 
+{
+    Execute(new TTxChangeS3UploadStatus(this, ev), ctx);
+}
+
 void TDataShard::Handle(TEvDataShard::TEvGetS3DownloadInfo::TPtr& ev, const TActorContext& ctx)
-{ 
-    Execute(new TTxGetS3DownloadInfo(this, ev), ctx); 
-} 
- 
+{
+    Execute(new TTxGetS3DownloadInfo(this, ev), ctx);
+}
+
 void TDataShard::Handle(TEvDataShard::TEvStoreS3DownloadInfo::TPtr& ev, const TActorContext& ctx)
-{ 
-    Execute(new TTxStoreS3DownloadInfo(this, ev), ctx); 
-} 
- 
+{
+    Execute(new TTxStoreS3DownloadInfo(this, ev), ctx);
+}
+
 void TDataShard::Handle(TEvDataShard::TEvUnsafeUploadRowsRequest::TPtr& ev, const TActorContext& ctx)
-{ 
-    Execute(new TTxUnsafeUploadRows(this, ev), ctx); 
-} 
- 
+{
+    Execute(new TTxUnsafeUploadRows(this, ev), ctx);
+}
+
 void TDataShard::ScanComplete(NTable::EAbort,
                                      TAutoPtr<IDestructable> prod,
                                      ui64 cookie,
@@ -2523,13 +2523,13 @@ void TDataShard::ScanComplete(NTable::EAbort,
     } else {
         LOG_DEBUG_S(ctx, NKikimrServices::TX_DATASHARD,
                     "FullScan complete at " << TabletID());
- 
+
         auto op = Pipeline.FindOp(cookie);
         if (op) {
             LOG_DEBUG_S(ctx, NKikimrServices::TX_DATASHARD, "Found op"
-                << ": cookie: " << cookie 
-                << ", at: "<< TabletID()); 
- 
+                << ": cookie: " << cookie
+                << ", at: "<< TabletID());
+
             if (op->IsWaitingForScan()) {
                 op->SetScanResult(prod);
                 Pipeline.AddCandidateOp(op);
@@ -2553,29 +2553,29 @@ void TDataShard::ScanComplete(NTable::EAbort,
 }
 
 void TDataShard::Handle(TEvPrivate::TEvAsyncJobComplete::TPtr &ev, const TActorContext &ctx) {
-    LOG_DEBUG_S(ctx, NKikimrServices::TX_DATASHARD, "AsyncJob complete" 
-        << " at " << TabletID()); 
- 
-    auto op = Pipeline.FindOp(ev->Cookie); 
-    if (op) { 
-        LOG_DEBUG_S(ctx, NKikimrServices::TX_DATASHARD, "Found op" 
-            << " at "<< TabletID() 
-            << " cookie " << ev->Cookie); 
- 
-        if (op->IsWaitingForAsyncJob()) { 
-            op->SetAsyncJobResult(ev->Get()->Prod); 
-            Pipeline.AddCandidateOp(op); 
-        } 
-    } else { 
-        LOG_ERROR_S(ctx, NKikimrServices::TX_DATASHARD, "AsyncJob complete" 
-            << " at " << TabletID() 
-            << " for unknown tx " << ev->Cookie); 
-    } 
- 
-    // Continue current Tx 
-    PlanQueue.Progress(ctx); 
-} 
- 
+    LOG_DEBUG_S(ctx, NKikimrServices::TX_DATASHARD, "AsyncJob complete"
+        << " at " << TabletID());
+
+    auto op = Pipeline.FindOp(ev->Cookie);
+    if (op) {
+        LOG_DEBUG_S(ctx, NKikimrServices::TX_DATASHARD, "Found op"
+            << " at "<< TabletID()
+            << " cookie " << ev->Cookie);
+
+        if (op->IsWaitingForAsyncJob()) {
+            op->SetAsyncJobResult(ev->Get()->Prod);
+            Pipeline.AddCandidateOp(op);
+        }
+    } else {
+        LOG_ERROR_S(ctx, NKikimrServices::TX_DATASHARD, "AsyncJob complete"
+            << " at " << TabletID()
+            << " for unknown tx " << ev->Cookie);
+    }
+
+    // Continue current Tx
+    PlanQueue.Progress(ctx);
+}
+
 bool TDataShard::ReassignChannelsEnabled() const {
     return true;
 }
diff --git a/ydb/core/tx/datashard/datashard.h b/ydb/core/tx/datashard/datashard.h
index 3af6723b22..5a93c03502 100644
--- a/ydb/core/tx/datashard/datashard.h
+++ b/ydb/core/tx/datashard/datashard.h
@@ -1,6 +1,6 @@
 #pragma once
- 
-#include "datashard_s3_upload.h" 
+
+#include "datashard_s3_upload.h"
 
 #include <ydb/core/tx/tx.h>
 #include <ydb/core/tx/message_seqno.h>
@@ -112,8 +112,8 @@ namespace NDataShard {
             ResultSent = 1ULL << 41,
             // Operation is confirmed to be stored in shard's local database
             Stored = 1ULL << 42,
-            // Operation is waiting for async job to finish 
-            WaitingForAsyncJob = 1ULL << 43, 
+            // Operation is waiting for async job to finish
+            WaitingForAsyncJob = 1ULL << 43,
             // Operation must complete before results sending
             WaitCompletion = 1ULL << 44,
 
@@ -200,7 +200,7 @@ struct TEvDataShard {
         EvCancelBackup,
         EvMigrateSchemeShardRequest,
         EvMigrateSchemeShardResponse,
-        EvCancelRestore, 
+        EvCancelRestore,
 
         EvInitDataShardResult = EvProposeTransaction + 5 * 512,
         EvGetShardStateResult,
@@ -258,29 +258,29 @@ struct TEvDataShard {
         EvDiscardVolatileSnapshotRequest,
         EvDiscardVolatileSnapshotResponse,
 
-        EvGetS3Upload, 
-        EvStoreS3UploadId, 
-        EvS3Upload, 
- 
-        EvEraseRowsRequest, 
-        EvEraseRowsResponse, 
-        EvConditionalEraseRowsRequest, 
-        EvConditionalEraseRowsResponse, 
- 
+        EvGetS3Upload,
+        EvStoreS3UploadId,
+        EvS3Upload,
+
+        EvEraseRowsRequest,
+        EvEraseRowsResponse,
+        EvConditionalEraseRowsRequest,
+        EvConditionalEraseRowsResponse,
+
         EvBuildIndexCreateRequest,
         EvBuildIndexProgressResponse,
 
-        EvGetS3DownloadInfo, 
-        EvStoreS3DownloadInfo, 
-        EvS3DownloadInfo, 
- 
-        EvUnsafeUploadRowsRequest, 
-        EvUnsafeUploadRowsResponse, 
- 
+        EvGetS3DownloadInfo,
+        EvStoreS3DownloadInfo,
+        EvS3DownloadInfo,
+
+        EvUnsafeUploadRowsRequest,
+        EvUnsafeUploadRowsResponse,
+
         EvKqpScan,
 
-        EvChangeS3UploadStatus, 
- 
+        EvChangeS3UploadStatus,
+
         EvGetRemovedRowVersions, /* for tests */
         EvGetRemovedRowVersionsResult, /* for tests */
 
@@ -775,19 +775,19 @@ struct TEvDataShard {
         }
     };
 
-    struct TEvCancelRestore 
-        : public TEventPB<TEvCancelRestore, 
-                          NKikimrTxDataShard::TEvCancelRestore, 
-                          TEvDataShard::EvCancelRestore> 
-    { 
-        TEvCancelRestore() = default; 
- 
-        explicit TEvCancelRestore(ui64 txid, ui64 tableId) { 
-            Record.SetRestoreTxId(txid); 
-            Record.SetTableId(tableId); 
-        } 
-    }; 
- 
+    struct TEvCancelRestore
+        : public TEventPB<TEvCancelRestore,
+                          NKikimrTxDataShard::TEvCancelRestore,
+                          TEvDataShard::EvCancelRestore>
+    {
+        TEvCancelRestore() = default;
+
+        explicit TEvCancelRestore(ui64 txid, ui64 tableId) {
+            Record.SetRestoreTxId(txid);
+            Record.SetTableId(tableId);
+        }
+    };
+
     struct TEvGetTableStats : public TEventPB<TEvGetTableStats,
                                                         NKikimrTxDataShard::TEvGetTableStats,
                                                         TEvDataShard::EvGetTableStats> {
@@ -857,24 +857,24 @@ struct TEvDataShard {
         }
     };
 
-    struct TEvUnsafeUploadRowsRequest : public TEventPBWithArena<TEvUnsafeUploadRowsRequest, 
-                                                        NKikimrTxDataShard::TEvUploadRowsRequest, 
-                                                        TEvDataShard::EvUnsafeUploadRowsRequest, 
-                                                        16200, 32500> { 
-        TEvUnsafeUploadRowsRequest() = default; 
-    }; 
+    struct TEvUnsafeUploadRowsRequest : public TEventPBWithArena<TEvUnsafeUploadRowsRequest,
+                                                        NKikimrTxDataShard::TEvUploadRowsRequest,
+                                                        TEvDataShard::EvUnsafeUploadRowsRequest,
+                                                        16200, 32500> {
+        TEvUnsafeUploadRowsRequest() = default;
+    };
 
-    struct TEvUnsafeUploadRowsResponse : public TEventPB<TEvUnsafeUploadRowsResponse, 
-                                                        NKikimrTxDataShard::TEvUploadRowsResponse, 
-                                                        TEvDataShard::EvUnsafeUploadRowsResponse> { 
-        TEvUnsafeUploadRowsResponse() = default; 
+    struct TEvUnsafeUploadRowsResponse : public TEventPB<TEvUnsafeUploadRowsResponse,
+                                                        NKikimrTxDataShard::TEvUploadRowsResponse,
+                                                        TEvDataShard::EvUnsafeUploadRowsResponse> {
+        TEvUnsafeUploadRowsResponse() = default;
+
+        explicit TEvUnsafeUploadRowsResponse(ui64 tabletId, ui32 status = NKikimrTxDataShard::TError::OK) {
+            Record.SetTabletID(tabletId);
+            Record.SetStatus(status);
+        }
+    };
 
-        explicit TEvUnsafeUploadRowsResponse(ui64 tabletId, ui32 status = NKikimrTxDataShard::TError::OK) { 
-            Record.SetTabletID(tabletId); 
-            Record.SetStatus(status); 
-        } 
-    }; 
- 
     // In most cases this event is local, thus users must
     // use Keys, Ranges and Program struct members instead of corresponding
     // protobuf members. In case of remote event these struct members will
@@ -1148,190 +1148,190 @@ struct TEvDataShard {
     {
         using EStatus = NKikimrTxDataShard::TEvMigrateSchemeShardResponse::EStatus;
     };
- 
-    struct TEvGetS3Upload 
-        : public TEventLocal<TEvGetS3Upload, TEvDataShard::EvGetS3Upload> 
-    { 
+
+    struct TEvGetS3Upload
+        : public TEventLocal<TEvGetS3Upload, TEvDataShard::EvGetS3Upload>
+    {
         TActorId ReplyTo;
-        ui64 TxId; 
- 
-        explicit TEvGetS3Upload(const TActorId& replyTo, ui64 txId) 
-            : ReplyTo(replyTo) 
-            , TxId(txId) 
-        { 
-        } 
-    }; 
- 
-    struct TEvStoreS3UploadId 
-        : public TEventLocal<TEvStoreS3UploadId, TEvDataShard::EvStoreS3UploadId> 
-    { 
+        ui64 TxId;
+
+        explicit TEvGetS3Upload(const TActorId& replyTo, ui64 txId)
+            : ReplyTo(replyTo)
+            , TxId(txId)
+        {
+        }
+    };
+
+    struct TEvStoreS3UploadId
+        : public TEventLocal<TEvStoreS3UploadId, TEvDataShard::EvStoreS3UploadId>
+    {
         TActorId ReplyTo;
-        ui64 TxId; 
-        TString UploadId; 
- 
+        ui64 TxId;
+        TString UploadId;
+
         explicit TEvStoreS3UploadId(const TActorId& replyTo, ui64 txId, const TString& uploadId)
-            : ReplyTo(replyTo) 
-            , TxId(txId) 
-            , UploadId(uploadId) 
-        { 
-        } 
-    }; 
- 
-    struct TEvChangeS3UploadStatus 
-        : public TEventLocal<TEvChangeS3UploadStatus, TEvDataShard::EvChangeS3UploadStatus> 
-    { 
+            : ReplyTo(replyTo)
+            , TxId(txId)
+            , UploadId(uploadId)
+        {
+        }
+    };
+
+    struct TEvChangeS3UploadStatus
+        : public TEventLocal<TEvChangeS3UploadStatus, TEvDataShard::EvChangeS3UploadStatus>
+    {
         using EStatus = NDataShard::TS3Upload::EStatus;
- 
-        TActorId ReplyTo; 
-        ui64 TxId; 
-        EStatus Status; 
-        TMaybe<TString> Error; 
-        TVector<TString> Parts; 
- 
-        explicit TEvChangeS3UploadStatus(const TActorId& replyTo, ui64 txId, EStatus status, TVector<TString>&& parts) 
-            : ReplyTo(replyTo) 
-            , TxId(txId) 
-            , Status(status) 
-            , Parts(std::move(parts)) 
-        { 
-        } 
- 
-        explicit TEvChangeS3UploadStatus(const TActorId& replyTo, ui64 txId, EStatus status, const TString& error) 
-            : ReplyTo(replyTo) 
-            , TxId(txId) 
-            , Status(status) 
-            , Error(error) 
-        { 
-        } 
-    }; 
- 
-    struct TEvS3Upload 
-        : public TEventLocal<TEvS3Upload, TEvDataShard::EvS3Upload> 
-    { 
+
+        TActorId ReplyTo;
+        ui64 TxId;
+        EStatus Status;
+        TMaybe<TString> Error;
+        TVector<TString> Parts;
+
+        explicit TEvChangeS3UploadStatus(const TActorId& replyTo, ui64 txId, EStatus status, TVector<TString>&& parts)
+            : ReplyTo(replyTo)
+            , TxId(txId)
+            , Status(status)
+            , Parts(std::move(parts))
+        {
+        }
+
+        explicit TEvChangeS3UploadStatus(const TActorId& replyTo, ui64 txId, EStatus status, const TString& error)
+            : ReplyTo(replyTo)
+            , TxId(txId)
+            , Status(status)
+            , Error(error)
+        {
+        }
+    };
+
+    struct TEvS3Upload
+        : public TEventLocal<TEvS3Upload, TEvDataShard::EvS3Upload>
+    {
         using TS3Upload = NDataShard::TS3Upload;
- 
-        TMaybe<TS3Upload> Upload; 
- 
-        TEvS3Upload() = default; 
- 
-        explicit TEvS3Upload(const TS3Upload& upload) 
-            : Upload(upload) 
-        { 
-        } 
-    }; 
- 
-    struct TEvGetS3DownloadInfo 
-        : public TEventLocal<TEvGetS3DownloadInfo, TEvDataShard::EvGetS3DownloadInfo> 
-    { 
-        TActorId ReplyTo; 
-        ui64 TxId; 
- 
-        explicit TEvGetS3DownloadInfo(const TActorId& replyTo, ui64 txId) 
-            : ReplyTo(replyTo) 
-            , TxId(txId) 
-        { 
-        } 
-    }; 
- 
-    struct TEvStoreS3DownloadInfo 
-        : public TEventLocal<TEvStoreS3DownloadInfo, TEvDataShard::EvStoreS3DownloadInfo> 
-    { 
-        TActorId ReplyTo; 
-        ui64 TxId; 
-        TString DataETag; 
-        ui64 ProcessedBytes; 
-        ui64 WrittenBytes; 
-        ui64 WrittenRows; 
- 
-        TEvStoreS3DownloadInfo() = default; 
- 
-        explicit TEvStoreS3DownloadInfo( 
-                const TActorId& replyTo, 
-                ui64 txId, 
-                const TString& dataETag, 
-                ui64 processedBytes, 
-                ui64 writtenBytes, 
-                ui64 writtenRows) 
-            : ReplyTo(replyTo) 
-            , TxId(txId) 
-            , DataETag(dataETag) 
-            , ProcessedBytes(processedBytes) 
-            , WrittenBytes(writtenBytes) 
-            , WrittenRows(writtenRows) 
-        { 
-        } 
- 
-        TString ToString() const override { 
-            return TStringBuilder() << ToStringHeader() << " {" 
-                << " TxId: " << TxId 
-                << " DataETag: " << DataETag 
-                << " ProcessedBytes: " << ProcessedBytes 
-                << " WrittenBytes: " << WrittenBytes 
-                << " WrittenRows: " << WrittenRows 
-            << " }"; 
-        } 
-    }; 
- 
-    struct TEvS3DownloadInfo 
-        : public TEventLocal<TEvS3DownloadInfo, TEvDataShard::EvS3DownloadInfo> 
-    { 
-        struct TInfo { 
-            TMaybe<TString> DataETag; 
-            ui64 ProcessedBytes = 0; 
-            ui64 WrittenBytes = 0; 
-            ui64 WrittenRows = 0; 
- 
-            TString ToString() const { 
-                return TStringBuilder() << "{" 
-                    << " DataETag: " << DataETag 
-                    << " ProcessedBytes: " << ProcessedBytes 
-                    << " WrittenBytes: " << WrittenBytes 
-                    << " WrittenRows: " << WrittenRows 
-                << " }"; 
-            } 
-        }; 
- 
-        TInfo Info; 
- 
-        TEvS3DownloadInfo() = default; 
- 
-        explicit TEvS3DownloadInfo(const TInfo& info) 
-            : Info(info) 
-        { 
-        } 
- 
-        TString ToString() const override { 
-            return TStringBuilder() << ToStringHeader() << " " << Info.ToString(); 
-        } 
-    }; 
- 
-    struct TEvEraseRowsRequest 
-        : public TEventPB<TEvEraseRowsRequest, 
-                          NKikimrTxDataShard::TEvEraseRowsRequest, 
-                          TEvDataShard::EvEraseRowsRequest> 
-    { 
-    }; 
- 
-    struct TEvEraseRowsResponse 
-        : public TEventPB<TEvEraseRowsResponse, 
-                          NKikimrTxDataShard::TEvEraseRowsResponse, 
-                          TEvDataShard::EvEraseRowsResponse> 
-    { 
-    }; 
- 
-    struct TEvConditionalEraseRowsRequest 
-        : public TEventPB<TEvConditionalEraseRowsRequest, 
-                          NKikimrTxDataShard::TEvConditionalEraseRowsRequest, 
-                          TEvDataShard::EvConditionalEraseRowsRequest> 
-    { 
-    }; 
- 
-    struct TEvConditionalEraseRowsResponse 
-        : public TEventPB<TEvConditionalEraseRowsResponse, 
-                          NKikimrTxDataShard::TEvConditionalEraseRowsResponse, 
-                          TEvDataShard::EvConditionalEraseRowsResponse> 
-    { 
-    }; 
+
+        TMaybe<TS3Upload> Upload;
+
+        TEvS3Upload() = default;
+
+        explicit TEvS3Upload(const TS3Upload& upload)
+            : Upload(upload)
+        {
+        }
+    };
+
+    struct TEvGetS3DownloadInfo
+        : public TEventLocal<TEvGetS3DownloadInfo, TEvDataShard::EvGetS3DownloadInfo>
+    {
+        TActorId ReplyTo;
+        ui64 TxId;
+
+        explicit TEvGetS3DownloadInfo(const TActorId& replyTo, ui64 txId)
+            : ReplyTo(replyTo)
+            , TxId(txId)
+        {
+        }
+    };
+
+    struct TEvStoreS3DownloadInfo
+        : public TEventLocal<TEvStoreS3DownloadInfo, TEvDataShard::EvStoreS3DownloadInfo>
+    {
+        TActorId ReplyTo;
+        ui64 TxId;
+        TString DataETag;
+        ui64 ProcessedBytes;
+        ui64 WrittenBytes;
+        ui64 WrittenRows;
+
+        TEvStoreS3DownloadInfo() = default;
+
+        explicit TEvStoreS3DownloadInfo(
+                const TActorId& replyTo,
+                ui64 txId,
+                const TString& dataETag,
+                ui64 processedBytes,
+                ui64 writtenBytes,
+                ui64 writtenRows)
+            : ReplyTo(replyTo)
+            , TxId(txId)
+            , DataETag(dataETag)
+            , ProcessedBytes(processedBytes)
+            , WrittenBytes(writtenBytes)
+            , WrittenRows(writtenRows)
+        {
+        }
+
+        TString ToString() const override {
+            return TStringBuilder() << ToStringHeader() << " {"
+                << " TxId: " << TxId
+                << " DataETag: " << DataETag
+                << " ProcessedBytes: " << ProcessedBytes
+                << " WrittenBytes: " << WrittenBytes
+                << " WrittenRows: " << WrittenRows
+            << " }";
+        }
+    };
+
+    struct TEvS3DownloadInfo
+        : public TEventLocal<TEvS3DownloadInfo, TEvDataShard::EvS3DownloadInfo>
+    {
+        struct TInfo {
+            TMaybe<TString> DataETag;
+            ui64 ProcessedBytes = 0;
+            ui64 WrittenBytes = 0;
+            ui64 WrittenRows = 0;
+
+            TString ToString() const {
+                return TStringBuilder() << "{"
+                    << " DataETag: " << DataETag
+                    << " ProcessedBytes: " << ProcessedBytes
+                    << " WrittenBytes: " << WrittenBytes
+                    << " WrittenRows: " << WrittenRows
+                << " }";
+            }
+        };
+
+        TInfo Info;
+
+        TEvS3DownloadInfo() = default;
+
+        explicit TEvS3DownloadInfo(const TInfo& info)
+            : Info(info)
+        {
+        }
+
+        TString ToString() const override {
+            return TStringBuilder() << ToStringHeader() << " " << Info.ToString();
+        }
+    };
+
+    struct TEvEraseRowsRequest
+        : public TEventPB<TEvEraseRowsRequest,
+                          NKikimrTxDataShard::TEvEraseRowsRequest,
+                          TEvDataShard::EvEraseRowsRequest>
+    {
+    };
+
+    struct TEvEraseRowsResponse
+        : public TEventPB<TEvEraseRowsResponse,
+                          NKikimrTxDataShard::TEvEraseRowsResponse,
+                          TEvDataShard::EvEraseRowsResponse>
+    {
+    };
+
+    struct TEvConditionalEraseRowsRequest
+        : public TEventPB<TEvConditionalEraseRowsRequest,
+                          NKikimrTxDataShard::TEvConditionalEraseRowsRequest,
+                          TEvDataShard::EvConditionalEraseRowsRequest>
+    {
+    };
+
+    struct TEvConditionalEraseRowsResponse
+        : public TEventPB<TEvConditionalEraseRowsResponse,
+                          NKikimrTxDataShard::TEvConditionalEraseRowsResponse,
+                          TEvDataShard::EvConditionalEraseRowsResponse>
+    {
+    };
 
     struct TEvBuildIndexCreateRequest
         : public TEventPB<TEvBuildIndexCreateRequest,
diff --git a/ydb/core/tx/datashard/datashard__conditional_erase_rows.cpp b/ydb/core/tx/datashard/datashard__conditional_erase_rows.cpp
index 06688af51d..026b14e461 100644
--- a/ydb/core/tx/datashard/datashard__conditional_erase_rows.cpp
+++ b/ydb/core/tx/datashard/datashard__conditional_erase_rows.cpp
@@ -1,612 +1,612 @@
-#include "datashard_distributed_erase.h" 
-#include "datashard_impl.h" 
-#include "erase_rows_condition.h" 
- 
+#include "datashard_distributed_erase.h"
+#include "datashard_impl.h"
+#include "erase_rows_condition.h"
+
 #include <ydb/core/base/appdata.h>
 #include <ydb/core/base/counters.h>
 #include <ydb/core/tablet_flat/flat_row_state.h>
- 
-#include <util/generic/hash.h> 
-#include <util/generic/hash_set.h> 
-#include <util/generic/vector.h> 
-#include <util/stream/output.h> 
-#include <util/string/builder.h> 
- 
-namespace NKikimr { 
+
+#include <util/generic/hash.h>
+#include <util/generic/hash_set.h>
+#include <util/generic/vector.h>
+#include <util/stream/output.h>
+#include <util/string/builder.h>
+
+namespace NKikimr {
 namespace NDataShard {
- 
-using namespace NActors; 
-using namespace NTable; 
- 
-using TLimits = NKikimrTxDataShard::TEvConditionalEraseRowsRequest::TLimits; 
- 
-class IEraserOps { 
-protected: 
-    struct TKey { 
-        TTag Tag = Max<TTag>(); 
-        TPos Pos = Max<TPos>(); 
-    }; 
- 
+
+using namespace NActors;
+using namespace NTable;
+
+using TLimits = NKikimrTxDataShard::TEvConditionalEraseRowsRequest::TLimits;
+
+class IEraserOps {
+protected:
+    struct TKey {
+        TTag Tag = Max<TTag>();
+        TPos Pos = Max<TPos>();
+    };
+
     virtual TVector<TKey> MakeKeyOrder(TIntrusiveConstPtr<IScan::TScheme> scheme) const = 0;
-    virtual TActorId CreateEraser() = 0; 
-    virtual void CloseEraser() = 0; 
-}; 
- 
-class TCondEraseScan: public IActor, public IScan, public IEraserOps { 
-    struct TDataShardId { 
+    virtual TActorId CreateEraser() = 0;
+    virtual void CloseEraser() = 0;
+};
+
+class TCondEraseScan: public IActor, public IScan, public IEraserOps {
+    struct TDataShardId {
         TActorId ActorId;
-        ui64 TabletId; 
-    }; 
- 
-    class TSerializedKeys { 
-    public: 
-        explicit TSerializedKeys( 
-                ui32 bytesLimit = 500 * 1024, 
-                ui32 minCount = 1000, 
-                ui32 maxCount = 50000) 
-            : BytesLimit(bytesLimit) 
-            , MinCount(minCount) 
-            , MaxCount(maxCount) 
-            , Size(0) 
-        { 
-        } 
- 
-        void Add(TString key) { 
-            Size += key.size(); 
-            Keys.emplace_back(std::move(key)); 
-        } 
- 
-        void Clear() { 
-            Keys.clear(); 
-            Size = 0; 
-        } 
- 
-        TVector<TString>& GetKeys() { 
-            return Keys; 
-        } 
- 
-        ui32 Count() const { 
-            return Keys.size(); 
-        } 
- 
-        ui32 Bytes() const { 
-            return Size; 
-        } 
- 
-        bool CheckLimits() const { 
-            if (Size < BytesLimit) { 
-                if (Count() < MaxCount) { 
-                    return true; 
-                } 
-            } else { 
-                if (Count() < MinCount) { 
-                    return true; 
-                } 
-            } 
- 
-            return false; 
-        } 
- 
-        explicit operator bool() const { 
-            return Count(); 
-        } 
- 
-    private: 
-        const ui32 BytesLimit; 
-        const ui32 MinCount; 
-        const ui32 MaxCount; 
- 
-        TVector<TString> Keys; 
-        ui32 Size; 
-    }; 
- 
-    struct TStats { 
-        TStats() 
-            : RowsProcessed(0) 
-            , RowsErased(0) 
-        { 
-            auto counters = GetServiceCounters(AppData()->Counters, "tablets")->GetSubgroup("subsystem", "erase_rows"); 
- 
-            MonProcessed = counters->GetCounter("Processed", true); 
-            MonErased = counters->GetCounter("Erased", true); 
-        } 
- 
-        void IncProcessed() { 
-            ++RowsProcessed; 
-            *MonProcessed += 1; 
-        } 
- 
-        void IncErased() { 
-            ++RowsErased; 
-            *MonErased += 1; 
-        } 
- 
-        void ToProto(NKikimrTxDataShard::TEvConditionalEraseRowsResponse::TStats& stats) const { 
-            stats.SetRowsProcessed(RowsProcessed); 
-            stats.SetRowsErased(RowsErased); 
-        } 
- 
-    private: 
-        ui64 RowsProcessed; 
-        ui64 RowsErased; 
-        NMonitoring::TDynamicCounters::TCounterPtr MonProcessed; 
-        NMonitoring::TDynamicCounters::TCounterPtr MonErased; 
-    }; 
- 
-    static TVector<TCell> MakeKeyCells(const TVector<TKey>& keyOrder, const TRow& row) { 
-        TVector<TCell> keyCells; 
- 
-        for (const auto& key : keyOrder) { 
-            Y_VERIFY(key.Pos != Max<TPos>()); 
-            Y_VERIFY(key.Pos < row.Size()); 
-            keyCells.push_back(row.Get(key.Pos)); 
-        } 
- 
-        return keyCells; 
-    } 
- 
-    static THolder<TEvDataShard::TEvEraseRowsRequest> MakeEraseRowsRequest(const TTableId& tableId, 
-            IEraseRowsCondition* condition, const TVector<TKey>& keyOrder, TVector<TString>& keys) 
-    { 
-        auto request = MakeHolder<TEvDataShard::TEvEraseRowsRequest>(); 
- 
-        request->Record.SetTableId(tableId.PathId.LocalPathId); 
-        request->Record.SetSchemaVersion(tableId.SchemaVersion); 
- 
-        for (const auto& key : keyOrder) { 
-            Y_VERIFY(key.Tag != Max<TTag>()); 
-            request->Record.AddKeyColumnIds(key.Tag); 
-        } 
- 
-        for (TString& key : keys) { 
-            request->Record.AddKeyColumns(std::move(key)); 
-        } 
- 
-        condition->AddToRequest(request->Record); 
- 
-        return request; 
-    } 
- 
-    void SendEraseRowsRequest() { 
-        Send(CreateEraser(), MakeEraseRowsRequest(TableId, Condition.Get(), KeyOrder, SerializedKeys.GetKeys())); 
-        SerializedKeys.Clear(); 
-    } 
- 
-    void Reply(bool aborted = false) { 
-        auto response = MakeHolder<TEvDataShard::TEvConditionalEraseRowsResponse>(); 
-        response->Record.SetTabletID(DataShard.TabletId); 
- 
-        if (aborted) { 
-            response->Record.SetStatus(NKikimrTxDataShard::TEvConditionalEraseRowsResponse::ABORTED); 
-        } else if (!Success) { 
-            response->Record.SetStatus(NKikimrTxDataShard::TEvConditionalEraseRowsResponse::ERASE_ERROR); 
-        } else if (!NoMoreData) { 
-            response->Record.SetStatus(NKikimrTxDataShard::TEvConditionalEraseRowsResponse::PARTIAL); 
-        } else { 
-            response->Record.SetStatus(NKikimrTxDataShard::TEvConditionalEraseRowsResponse::OK); 
-        } 
- 
-        response->Record.SetErrorDescription(Error); 
-        Stats.ToProto(*response->Record.MutableStats()); 
- 
-        Send(ReplyTo, std::move(response)); 
-    } 
- 
-    void Handle(TEvDataShard::TEvEraseRowsResponse::TPtr& ev) { 
-        const auto& record = ev->Get()->Record; 
- 
-        Success = (record.GetStatus() == NKikimrTxDataShard::TEvEraseRowsResponse::OK); 
-        Error = record.GetErrorDescription(); 
- 
-        CloseEraser(); 
- 
-        if (NoMoreData || !Success) { 
-            Driver->Touch(EScan::Final); 
-        } else { 
-            Reply(); 
-            Driver->Touch(EScan::Feed); 
-        } 
-    } 
- 
-    void Handle(TEvDataShard::TEvConditionalEraseRowsRequest::TPtr& ev) { 
-        ReplyTo = ev->Sender; 
-        Reply(); 
-    } 
- 
-public: 
+        ui64 TabletId;
+    };
+
+    class TSerializedKeys {
+    public:
+        explicit TSerializedKeys(
+                ui32 bytesLimit = 500 * 1024,
+                ui32 minCount = 1000,
+                ui32 maxCount = 50000)
+            : BytesLimit(bytesLimit)
+            , MinCount(minCount)
+            , MaxCount(maxCount)
+            , Size(0)
+        {
+        }
+
+        void Add(TString key) {
+            Size += key.size();
+            Keys.emplace_back(std::move(key));
+        }
+
+        void Clear() {
+            Keys.clear();
+            Size = 0;
+        }
+
+        TVector<TString>& GetKeys() {
+            return Keys;
+        }
+
+        ui32 Count() const {
+            return Keys.size();
+        }
+
+        ui32 Bytes() const {
+            return Size;
+        }
+
+        bool CheckLimits() const {
+            if (Size < BytesLimit) {
+                if (Count() < MaxCount) {
+                    return true;
+                }
+            } else {
+                if (Count() < MinCount) {
+                    return true;
+                }
+            }
+
+            return false;
+        }
+
+        explicit operator bool() const {
+            return Count();
+        }
+
+    private:
+        const ui32 BytesLimit;
+        const ui32 MinCount;
+        const ui32 MaxCount;
+
+        TVector<TString> Keys;
+        ui32 Size;
+    };
+
+    struct TStats {
+        TStats()
+            : RowsProcessed(0)
+            , RowsErased(0)
+        {
+            auto counters = GetServiceCounters(AppData()->Counters, "tablets")->GetSubgroup("subsystem", "erase_rows");
+
+            MonProcessed = counters->GetCounter("Processed", true);
+            MonErased = counters->GetCounter("Erased", true);
+        }
+
+        void IncProcessed() {
+            ++RowsProcessed;
+            *MonProcessed += 1;
+        }
+
+        void IncErased() {
+            ++RowsErased;
+            *MonErased += 1;
+        }
+
+        void ToProto(NKikimrTxDataShard::TEvConditionalEraseRowsResponse::TStats& stats) const {
+            stats.SetRowsProcessed(RowsProcessed);
+            stats.SetRowsErased(RowsErased);
+        }
+
+    private:
+        ui64 RowsProcessed;
+        ui64 RowsErased;
+        NMonitoring::TDynamicCounters::TCounterPtr MonProcessed;
+        NMonitoring::TDynamicCounters::TCounterPtr MonErased;
+    };
+
+    static TVector<TCell> MakeKeyCells(const TVector<TKey>& keyOrder, const TRow& row) {
+        TVector<TCell> keyCells;
+
+        for (const auto& key : keyOrder) {
+            Y_VERIFY(key.Pos != Max<TPos>());
+            Y_VERIFY(key.Pos < row.Size());
+            keyCells.push_back(row.Get(key.Pos));
+        }
+
+        return keyCells;
+    }
+
+    static THolder<TEvDataShard::TEvEraseRowsRequest> MakeEraseRowsRequest(const TTableId& tableId,
+            IEraseRowsCondition* condition, const TVector<TKey>& keyOrder, TVector<TString>& keys)
+    {
+        auto request = MakeHolder<TEvDataShard::TEvEraseRowsRequest>();
+
+        request->Record.SetTableId(tableId.PathId.LocalPathId);
+        request->Record.SetSchemaVersion(tableId.SchemaVersion);
+
+        for (const auto& key : keyOrder) {
+            Y_VERIFY(key.Tag != Max<TTag>());
+            request->Record.AddKeyColumnIds(key.Tag);
+        }
+
+        for (TString& key : keys) {
+            request->Record.AddKeyColumns(std::move(key));
+        }
+
+        condition->AddToRequest(request->Record);
+
+        return request;
+    }
+
+    void SendEraseRowsRequest() {
+        Send(CreateEraser(), MakeEraseRowsRequest(TableId, Condition.Get(), KeyOrder, SerializedKeys.GetKeys()));
+        SerializedKeys.Clear();
+    }
+
+    void Reply(bool aborted = false) {
+        auto response = MakeHolder<TEvDataShard::TEvConditionalEraseRowsResponse>();
+        response->Record.SetTabletID(DataShard.TabletId);
+
+        if (aborted) {
+            response->Record.SetStatus(NKikimrTxDataShard::TEvConditionalEraseRowsResponse::ABORTED);
+        } else if (!Success) {
+            response->Record.SetStatus(NKikimrTxDataShard::TEvConditionalEraseRowsResponse::ERASE_ERROR);
+        } else if (!NoMoreData) {
+            response->Record.SetStatus(NKikimrTxDataShard::TEvConditionalEraseRowsResponse::PARTIAL);
+        } else {
+            response->Record.SetStatus(NKikimrTxDataShard::TEvConditionalEraseRowsResponse::OK);
+        }
+
+        response->Record.SetErrorDescription(Error);
+        Stats.ToProto(*response->Record.MutableStats());
+
+        Send(ReplyTo, std::move(response));
+    }
+
+    void Handle(TEvDataShard::TEvEraseRowsResponse::TPtr& ev) {
+        const auto& record = ev->Get()->Record;
+
+        Success = (record.GetStatus() == NKikimrTxDataShard::TEvEraseRowsResponse::OK);
+        Error = record.GetErrorDescription();
+
+        CloseEraser();
+
+        if (NoMoreData || !Success) {
+            Driver->Touch(EScan::Final);
+        } else {
+            Reply();
+            Driver->Touch(EScan::Feed);
+        }
+    }
+
+    void Handle(TEvDataShard::TEvConditionalEraseRowsRequest::TPtr& ev) {
+        ReplyTo = ev->Sender;
+        Reply();
+    }
+
+public:
     explicit TCondEraseScan(TDataShard* ds, const TActorId& replyTo, const TTableId& tableId, ui64 txId, THolder<IEraseRowsCondition> condition, const TLimits& limits)
-        : IActor(static_cast<TReceiveFunc>(&TCondEraseScan::StateWork), NKikimrServices::TActivity::CONDITIONAL_ERASE_ROWS_SCAN_ACTOR) 
-        , TableId(tableId) 
-        , DataShard{ds->SelfId(), ds->TabletID()} 
-        , ReplyTo(replyTo) 
-        , TxId(txId) 
-        , Condition(std::move(condition)) 
-        , Driver(nullptr) 
-        , SerializedKeys(limits.GetBatchMaxBytes(), limits.GetBatchMinKeys(), limits.GetBatchMaxKeys()) 
-        , NoMoreData(false) 
-        , Success(true) 
-    { 
-    } 
- 
-    void Describe(IOutputStream& o) const noexcept override { 
-        o << "CondEraseScan {" 
-          << " TableId: " << TableId 
-          << " TxId: " << TxId 
-        << " }"; 
-    } 
- 
+        : IActor(static_cast<TReceiveFunc>(&TCondEraseScan::StateWork), NKikimrServices::TActivity::CONDITIONAL_ERASE_ROWS_SCAN_ACTOR)
+        , TableId(tableId)
+        , DataShard{ds->SelfId(), ds->TabletID()}
+        , ReplyTo(replyTo)
+        , TxId(txId)
+        , Condition(std::move(condition))
+        , Driver(nullptr)
+        , SerializedKeys(limits.GetBatchMaxBytes(), limits.GetBatchMinKeys(), limits.GetBatchMaxKeys())
+        , NoMoreData(false)
+        , Success(true)
+    {
+    }
+
+    void Describe(IOutputStream& o) const noexcept override {
+        o << "CondEraseScan {"
+          << " TableId: " << TableId
+          << " TxId: " << TxId
+        << " }";
+    }
+
     IScan::THello Prepare(IDriver* driver, TIntrusiveConstPtr<TScheme> scheme) noexcept override {
         TlsActivationContext->AsActorContext().RegisterWithSameMailbox(this);
- 
-        Driver = driver; 
-        Scheme = std::move(scheme); 
-        KeyOrder = MakeKeyOrder(Scheme); // fill tags 
- 
-        // fill scan tags & positions in KeyOrder 
-        ScanTags = Condition->Tags(); 
-        Y_VERIFY(ScanTags.size() == 1, "Multi-column conditions are not supported"); 
- 
-        THashMap<TTag, TPos> tagToPos; 
-
-        for (TPos pos = 0; pos < ScanTags.size(); ++pos) { 
-            Y_VERIFY(tagToPos.emplace(ScanTags.at(pos), pos).second); 
-        } 
- 
-        for (auto& key : KeyOrder) { 
-            auto it = tagToPos.find(key.Tag); 
-            if (it == tagToPos.end()) { 
-                it = tagToPos.emplace(key.Tag, ScanTags.size()).first; 
-                ScanTags.push_back(key.Tag); 
-            } 
- 
-            key.Pos = it->second; 
-        } 
- 
-        Condition->Prepare(Scheme, 0); 
- 
-        return {EScan::Feed, {}}; 
-    } 
- 
-    void Registered(TActorSystem* sys, const TActorId&) override { 
+
+        Driver = driver;
+        Scheme = std::move(scheme);
+        KeyOrder = MakeKeyOrder(Scheme); // fill tags
+
+        // fill scan tags & positions in KeyOrder
+        ScanTags = Condition->Tags();
+        Y_VERIFY(ScanTags.size() == 1, "Multi-column conditions are not supported");
+
+        THashMap<TTag, TPos> tagToPos;
+
+        for (TPos pos = 0; pos < ScanTags.size(); ++pos) {
+            Y_VERIFY(tagToPos.emplace(ScanTags.at(pos), pos).second);
+        }
+
+        for (auto& key : KeyOrder) {
+            auto it = tagToPos.find(key.Tag);
+            if (it == tagToPos.end()) {
+                it = tagToPos.emplace(key.Tag, ScanTags.size()).first;
+                ScanTags.push_back(key.Tag);
+            }
+
+            key.Pos = it->second;
+        }
+
+        Condition->Prepare(Scheme, 0);
+
+        return {EScan::Feed, {}};
+    }
+
+    void Registered(TActorSystem* sys, const TActorId&) override {
         sys->Send(DataShard.ActorId, new TDataShard::TEvPrivate::TEvConditionalEraseRowsRegistered(TxId, SelfId()));
-    } 
- 
-    EScan Seek(TLead& lead, ui64) noexcept override { 
-        lead.To(ScanTags, {}, ESeek::Lower); 
-        return EScan::Feed; 
-    } 
- 
-    EScan Feed(TArrayRef<const TCell>, const TRow& row) noexcept override { 
-        Stats.IncProcessed(); 
-        if (!Condition->Check(row)) { 
-            return EScan::Feed; 
-        } 
- 
-        Stats.IncErased(); 
-        SerializedKeys.Add(TSerializedCellVec::Serialize(MakeKeyCells(KeyOrder, row))); 
-        if (SerializedKeys.CheckLimits()) { 
-            return EScan::Feed; 
-        } 
- 
-        SendEraseRowsRequest(); 
-        return EScan::Sleep; 
-    } 
- 
-    EScan Exhausted() noexcept override { 
-        NoMoreData = true; 
- 
-        if (!SerializedKeys) { 
-            return EScan::Final; 
-        } 
- 
-        SendEraseRowsRequest(); 
-        return EScan::Sleep; 
-    } 
- 
+    }
+
+    EScan Seek(TLead& lead, ui64) noexcept override {
+        lead.To(ScanTags, {}, ESeek::Lower);
+        return EScan::Feed;
+    }
+
+    EScan Feed(TArrayRef<const TCell>, const TRow& row) noexcept override {
+        Stats.IncProcessed();
+        if (!Condition->Check(row)) {
+            return EScan::Feed;
+        }
+
+        Stats.IncErased();
+        SerializedKeys.Add(TSerializedCellVec::Serialize(MakeKeyCells(KeyOrder, row)));
+        if (SerializedKeys.CheckLimits()) {
+            return EScan::Feed;
+        }
+
+        SendEraseRowsRequest();
+        return EScan::Sleep;
+    }
+
+    EScan Exhausted() noexcept override {
+        NoMoreData = true;
+
+        if (!SerializedKeys) {
+            return EScan::Final;
+        }
+
+        SendEraseRowsRequest();
+        return EScan::Sleep;
+    }
+
     TAutoPtr<IDestructable> Finish(EAbort abort) noexcept override {
-        Reply(abort != EAbort::None); 
-        PassAway(); 
- 
-        return nullptr; 
-    } 
- 
-    void PassAway() override { 
-        CloseEraser(); 
-        IActor::PassAway(); 
-    } 
- 
-    STATEFN(StateWork) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvDataShard::TEvEraseRowsResponse, Handle); 
-            hFunc(TEvDataShard::TEvConditionalEraseRowsRequest, Handle); 
-        } 
-    } 
- 
-protected: 
+        Reply(abort != EAbort::None);
+        PassAway();
+
+        return nullptr;
+    }
+
+    void PassAway() override {
+        CloseEraser();
+        IActor::PassAway();
+    }
+
+    STATEFN(StateWork) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvDataShard::TEvEraseRowsResponse, Handle);
+            hFunc(TEvDataShard::TEvConditionalEraseRowsRequest, Handle);
+        }
+    }
+
+protected:
     TVector<TKey> MakeKeyOrder(TIntrusiveConstPtr<IScan::TScheme> scheme) const override {
-        TVector<TKey> keyOrder; 
- 
-        for (const auto& col : scheme->Cols) { 
-            if (!col.IsKey()) { 
-                continue; 
-            } 
- 
-            if (keyOrder.size() < (col.Key + 1)) { 
-                keyOrder.resize(col.Key + 1); 
-            } 
- 
-            keyOrder[col.Key].Tag = col.Tag; 
-        } 
- 
-        return keyOrder; 
-    } 
- 
-    TActorId CreateEraser() override { 
-        return DataShard.ActorId; 
-    } 
- 
-    void CloseEraser() override { 
-        // nop 
-    } 
- 
-protected: 
-    const TTableId TableId; 
- 
-private: 
-    const TDataShardId DataShard; 
+        TVector<TKey> keyOrder;
+
+        for (const auto& col : scheme->Cols) {
+            if (!col.IsKey()) {
+                continue;
+            }
+
+            if (keyOrder.size() < (col.Key + 1)) {
+                keyOrder.resize(col.Key + 1);
+            }
+
+            keyOrder[col.Key].Tag = col.Tag;
+        }
+
+        return keyOrder;
+    }
+
+    TActorId CreateEraser() override {
+        return DataShard.ActorId;
+    }
+
+    void CloseEraser() override {
+        // nop
+    }
+
+protected:
+    const TTableId TableId;
+
+private:
+    const TDataShardId DataShard;
     TActorId ReplyTo;
-    const ui64 TxId; 
-    THolder<IEraseRowsCondition> Condition; 
- 
-    IDriver* Driver; 
+    const ui64 TxId;
+    THolder<IEraseRowsCondition> Condition;
+
+    IDriver* Driver;
     TIntrusiveConstPtr<TScheme> Scheme;
-    TVector<TKey> KeyOrder; 
-    TVector<TTag> ScanTags; 
-    TSerializedKeys SerializedKeys; 
- 
-    TStats Stats; 
-    bool NoMoreData; 
-    bool Success; 
-    TString Error; 
- 
-}; // TCondEraseScan 
- 
-class TIndexedCondEraseScan: public TCondEraseScan { 
-public: 
-    explicit TIndexedCondEraseScan( 
+    TVector<TKey> KeyOrder;
+    TVector<TTag> ScanTags;
+    TSerializedKeys SerializedKeys;
+
+    TStats Stats;
+    bool NoMoreData;
+    bool Success;
+    TString Error;
+
+}; // TCondEraseScan
+
+class TIndexedCondEraseScan: public TCondEraseScan {
+public:
+    explicit TIndexedCondEraseScan(
             TDataShard* ds, const TActorId& replyTo, const TTableId& tableId, ui64 txId,
-            THolder<IEraseRowsCondition> condition, const TLimits& limits, TIndexes indexes) 
-        : TCondEraseScan(ds, replyTo, tableId, txId, std::move(condition), limits) 
-        , Indexes(std::move(indexes)) 
-    { 
-    } 
- 
-protected: 
-    // Enrich key with indexed columns 
+            THolder<IEraseRowsCondition> condition, const TLimits& limits, TIndexes indexes)
+        : TCondEraseScan(ds, replyTo, tableId, txId, std::move(condition), limits)
+        , Indexes(std::move(indexes))
+    {
+    }
+
+protected:
+    // Enrich key with indexed columns
     TVector<TKey> MakeKeyOrder(TIntrusiveConstPtr<IScan::TScheme> scheme) const override {
-        auto keyOrder = TCondEraseScan::MakeKeyOrder(scheme); 
- 
-        THashSet<TTag> keys; 
-        for (const auto& key : keyOrder) { 
-            keys.insert(key.Tag); 
-        } 
- 
-        for (const auto& [_, keyMap] : Indexes) { 
+        auto keyOrder = TCondEraseScan::MakeKeyOrder(scheme);
+
+        THashSet<TTag> keys;
+        for (const auto& key : keyOrder) {
+            keys.insert(key.Tag);
+        }
+
+        for (const auto& [_, keyMap] : Indexes) {
             for (const auto& [indexColumnId, mainColumnId] : keyMap) {
-                Y_UNUSED(indexColumnId); 
- 
-                if (keys.contains(mainColumnId)) { 
-                    continue; 
-                } 
- 
-                const TColInfo* col = scheme->ColInfo(mainColumnId); 
-                Y_VERIFY(col); 
-                Y_VERIFY(col->Tag == mainColumnId); 
- 
-                keyOrder.emplace_back().Tag = col->Tag; 
-                keys.insert(col->Tag); 
-            } 
-        } 
- 
-        return keyOrder; 
-    } 
- 
-    TActorId CreateEraser() override { 
-        Y_VERIFY(!Eraser); 
-        Eraser = this->Register(CreateDistributedEraser(this->SelfId(), TableId, Indexes)); 
-        return Eraser; 
-    } 
- 
-    void CloseEraser() override { 
-        if (!Eraser) { 
-            return; 
-        } 
- 
-        this->Send(std::exchange(Eraser, TActorId()), new TEvents::TEvPoisonPill()); 
-    } 
- 
-private: 
-    const TIndexes Indexes; 
- 
-    TActorId Eraser; 
- 
-}; // TIndexedCondEraseScan 
- 
-IScan* CreateCondEraseScan( 
+                Y_UNUSED(indexColumnId);
+
+                if (keys.contains(mainColumnId)) {
+                    continue;
+                }
+
+                const TColInfo* col = scheme->ColInfo(mainColumnId);
+                Y_VERIFY(col);
+                Y_VERIFY(col->Tag == mainColumnId);
+
+                keyOrder.emplace_back().Tag = col->Tag;
+                keys.insert(col->Tag);
+            }
+        }
+
+        return keyOrder;
+    }
+
+    TActorId CreateEraser() override {
+        Y_VERIFY(!Eraser);
+        Eraser = this->Register(CreateDistributedEraser(this->SelfId(), TableId, Indexes));
+        return Eraser;
+    }
+
+    void CloseEraser() override {
+        if (!Eraser) {
+            return;
+        }
+
+        this->Send(std::exchange(Eraser, TActorId()), new TEvents::TEvPoisonPill());
+    }
+
+private:
+    const TIndexes Indexes;
+
+    TActorId Eraser;
+
+}; // TIndexedCondEraseScan
+
+IScan* CreateCondEraseScan(
         TDataShard* ds, const TActorId& replyTo, const TTableId& tableId, ui64 txId,
-        THolder<IEraseRowsCondition> condition, const TLimits& limits, TIndexes indexes) 
-{ 
-    Y_VERIFY(ds); 
-    Y_VERIFY(condition.Get()); 
- 
-    if (!indexes) { 
-        return new TCondEraseScan(ds, replyTo, tableId, txId, std::move(condition), limits); 
-    } else { 
-        return new TIndexedCondEraseScan(ds, replyTo, tableId, txId, std::move(condition), limits, std::move(indexes)); 
-    } 
-} 
- 
-static TIndexes GetIndexes(const NKikimrTxDataShard::TEvConditionalEraseRowsRequest& record) { 
-    TIndexes result; 
-    if (!record.IndexesSize()) { 
-        return result; 
-    } 
- 
-    for (const auto& index : record.GetIndexes()) { 
-        TKeyMap keyMap(Reserve(index.KeyMapSize())); 
-        for (const auto& kv : index.GetKeyMap()) { 
-            keyMap.emplace_back(kv.GetIndexColumnId(), kv.GetMainColumnId()); 
-        } 
- 
-        result.emplace(TTableId(index.GetOwnerId(), index.GetPathId(), index.GetSchemaVersion()), std::move(keyMap)); 
-    } 
- 
-    return result; 
-} 
- 
+        THolder<IEraseRowsCondition> condition, const TLimits& limits, TIndexes indexes)
+{
+    Y_VERIFY(ds);
+    Y_VERIFY(condition.Get());
+
+    if (!indexes) {
+        return new TCondEraseScan(ds, replyTo, tableId, txId, std::move(condition), limits);
+    } else {
+        return new TIndexedCondEraseScan(ds, replyTo, tableId, txId, std::move(condition), limits, std::move(indexes));
+    }
+}
+
+static TIndexes GetIndexes(const NKikimrTxDataShard::TEvConditionalEraseRowsRequest& record) {
+    TIndexes result;
+    if (!record.IndexesSize()) {
+        return result;
+    }
+
+    for (const auto& index : record.GetIndexes()) {
+        TKeyMap keyMap(Reserve(index.KeyMapSize()));
+        for (const auto& kv : index.GetKeyMap()) {
+            keyMap.emplace_back(kv.GetIndexColumnId(), kv.GetMainColumnId());
+        }
+
+        result.emplace(TTableId(index.GetOwnerId(), index.GetPathId(), index.GetSchemaVersion()), std::move(keyMap));
+    }
+
+    return result;
+}
+
 static bool CheckUnit(NScheme::TTypeId type, NKikimrSchemeOp::TTTLSettings::EUnit unit, TString& error) {
-    switch (type) { 
-    case NScheme::NTypeIds::Date: 
-    case NScheme::NTypeIds::Datetime: 
-    case NScheme::NTypeIds::Timestamp: 
+    switch (type) {
+    case NScheme::NTypeIds::Date:
+    case NScheme::NTypeIds::Datetime:
+    case NScheme::NTypeIds::Timestamp:
         if (unit == NKikimrSchemeOp::TTTLSettings::UNIT_AUTO) {
-            return true; 
-        } else { 
-            error = "Unit cannot be specified for date type column"; 
-            return false; 
-        } 
-        break; 
- 
-    case NScheme::NTypeIds::Uint32: 
-    case NScheme::NTypeIds::Uint64: 
-    case NScheme::NTypeIds::DyNumber: 
-        switch (unit) { 
+            return true;
+        } else {
+            error = "Unit cannot be specified for date type column";
+            return false;
+        }
+        break;
+
+    case NScheme::NTypeIds::Uint32:
+    case NScheme::NTypeIds::Uint64:
+    case NScheme::NTypeIds::DyNumber:
+        switch (unit) {
         case NKikimrSchemeOp::TTTLSettings::UNIT_SECONDS:
         case NKikimrSchemeOp::TTTLSettings::UNIT_MILLISECONDS:
         case NKikimrSchemeOp::TTTLSettings::UNIT_MICROSECONDS:
         case NKikimrSchemeOp::TTTLSettings::UNIT_NANOSECONDS:
-            return true; 
+            return true;
         case NKikimrSchemeOp::TTTLSettings::UNIT_AUTO:
-            error = "Unit should be specified for integral type column"; 
-            return false; 
-        default: 
-            error = TStringBuilder() << "Unknown unit: " << static_cast<ui32>(unit); 
-            return false; 
-        } 
-        break; 
- 
-    default: 
-        error = TStringBuilder() << "Unsupported type: " << static_cast<ui32>(type); 
-        return false; 
-    } 
-} 
- 
+            error = "Unit should be specified for integral type column";
+            return false;
+        default:
+            error = TStringBuilder() << "Unknown unit: " << static_cast<ui32>(unit);
+            return false;
+        }
+        break;
+
+    default:
+        error = TStringBuilder() << "Unsupported type: " << static_cast<ui32>(type);
+        return false;
+    }
+}
+
 void TDataShard::Handle(TEvDataShard::TEvConditionalEraseRowsRequest::TPtr& ev, const TActorContext& ctx) {
-    using TEvRequest = TEvDataShard::TEvConditionalEraseRowsRequest; 
-    using TEvResponse = TEvDataShard::TEvConditionalEraseRowsResponse; 
- 
-    const auto& record = ev->Get()->Record; 
- 
-    auto response = MakeHolder<TEvResponse>(); 
-    response->Record.SetTabletID(TabletID()); 
- 
-    auto badRequest = [&record = response->Record](const TString& error) { 
-        record.SetStatus(TEvResponse::ProtoRecordType::BAD_REQUEST); 
-        record.SetErrorDescription(error); 
-    }; 
- 
-    const ui64 localPathId = record.GetTableId(); 
-    if (GetUserTables().contains(localPathId)) { 
-        auto condition = record.GetConditionCase(); 
- 
-        if (condition && InFlightCondErase) { 
-            if (InFlightCondErase.Condition == condition && InFlightCondErase.IsActive()) { 
-                ctx.Send(ev->Forward(InFlightCondErase.ActorId)); 
-            } else { 
-                if (InFlightCondErase.Condition != condition) { 
-                    response->Record.SetStatus(TEvResponse::ProtoRecordType::OVERLOADED); 
-                } 
- 
-                ctx.Send(ev->Sender, std::move(response)); 
-            } 
- 
-            return; 
-        } 
- 
-        TUserTable::TCPtr userTable = GetUserTables().at(localPathId); 
-        if (record.GetSchemaVersion() && userTable->GetTableSchemaVersion() 
-            && record.GetSchemaVersion() != userTable->GetTableSchemaVersion()) { 
- 
-            response->Record.SetStatus(TEvResponse::ProtoRecordType::SCHEME_ERROR); 
-            response->Record.SetErrorDescription(TStringBuilder() << "Schema version mismatch" 
-                << ": got " << record.GetSchemaVersion() 
-                << ", expected " << userTable->GetTableSchemaVersion()); 
-            ctx.Send(ev->Sender, std::move(response)); 
-            return; 
-        } 
- 
+    using TEvRequest = TEvDataShard::TEvConditionalEraseRowsRequest;
+    using TEvResponse = TEvDataShard::TEvConditionalEraseRowsResponse;
+
+    const auto& record = ev->Get()->Record;
+
+    auto response = MakeHolder<TEvResponse>();
+    response->Record.SetTabletID(TabletID());
+
+    auto badRequest = [&record = response->Record](const TString& error) {
+        record.SetStatus(TEvResponse::ProtoRecordType::BAD_REQUEST);
+        record.SetErrorDescription(error);
+    };
+
+    const ui64 localPathId = record.GetTableId();
+    if (GetUserTables().contains(localPathId)) {
+        auto condition = record.GetConditionCase();
+
+        if (condition && InFlightCondErase) {
+            if (InFlightCondErase.Condition == condition && InFlightCondErase.IsActive()) {
+                ctx.Send(ev->Forward(InFlightCondErase.ActorId));
+            } else {
+                if (InFlightCondErase.Condition != condition) {
+                    response->Record.SetStatus(TEvResponse::ProtoRecordType::OVERLOADED);
+                }
+
+                ctx.Send(ev->Sender, std::move(response));
+            }
+
+            return;
+        }
+
+        TUserTable::TCPtr userTable = GetUserTables().at(localPathId);
+        if (record.GetSchemaVersion() && userTable->GetTableSchemaVersion()
+            && record.GetSchemaVersion() != userTable->GetTableSchemaVersion()) {
+
+            response->Record.SetStatus(TEvResponse::ProtoRecordType::SCHEME_ERROR);
+            response->Record.SetErrorDescription(TStringBuilder() << "Schema version mismatch"
+                << ": got " << record.GetSchemaVersion()
+                << ", expected " << userTable->GetTableSchemaVersion());
+            ctx.Send(ev->Sender, std::move(response));
+            return;
+        }
+
         ui64 localTxId = 0;
-        THolder<IScan> scan; 
- 
-        switch (condition) { 
-            case TEvRequest::ProtoRecordType::kExpiration: { 
-                const ui32 columnId = record.GetExpiration().GetColumnId(); 
-                auto column = userTable->Columns.find(columnId); 
- 
-                if (column != userTable->Columns.end()) { 
-                    TString error; 
-                    if (CheckUnit(column->second.Type, record.GetExpiration().GetColumnUnit(), error)) { 
-                        localTxId = ++NextTieBreakerIndex; 
-                        const auto tableId = TTableId(PathOwnerId, localPathId, record.GetSchemaVersion()); 
+        THolder<IScan> scan;
+
+        switch (condition) {
+            case TEvRequest::ProtoRecordType::kExpiration: {
+                const ui32 columnId = record.GetExpiration().GetColumnId();
+                auto column = userTable->Columns.find(columnId);
+
+                if (column != userTable->Columns.end()) {
+                    TString error;
+                    if (CheckUnit(column->second.Type, record.GetExpiration().GetColumnUnit(), error)) {
+                        localTxId = ++NextTieBreakerIndex;
+                        const auto tableId = TTableId(PathOwnerId, localPathId, record.GetSchemaVersion());
                         scan.Reset(CreateCondEraseScan(this, ev->Sender, tableId, localTxId,
                             THolder(CreateEraseRowsCondition(record)), record.GetLimits(), GetIndexes(record)));
-                    } else { 
-                        badRequest(error); 
-                    } 
-                } else { 
-                    badRequest(TStringBuilder() << "Unknown column id: " << columnId); 
-                } 
-                break; 
-            } 
- 
-            default: 
-                badRequest(TStringBuilder() << "Unknown condition: " << (ui32)condition); 
-                break; 
-        } 
- 
-        if (scan) { 
-            const ui32 localTableId = userTable->LocalTid; 
-            Y_VERIFY(Executor()->Scheme().GetTableInfo(localTableId)); 
- 
-            auto policy = Executor()->Scheme().GetTableInfo(localTableId)->CompactionPolicy; 
-            auto opts = TScanOptions().SetResourceBroker(policy->BackupResourceBrokerTask, policy->DefaultTaskPriority + 2); 
-            const ui64 scanId = QueueScan(localTableId, scan.Release(), localTxId, opts); 
-            InFlightCondErase.Enqueue(localTxId, scanId, condition); 
-        } 
-    } else { 
-        badRequest(TStringBuilder() << "Unknown table id: " << localPathId); 
-    } 
- 
-    ctx.Send(ev->Sender, std::move(response)); 
-} 
- 
+                    } else {
+                        badRequest(error);
+                    }
+                } else {
+                    badRequest(TStringBuilder() << "Unknown column id: " << columnId);
+                }
+                break;
+            }
+
+            default:
+                badRequest(TStringBuilder() << "Unknown condition: " << (ui32)condition);
+                break;
+        }
+
+        if (scan) {
+            const ui32 localTableId = userTable->LocalTid;
+            Y_VERIFY(Executor()->Scheme().GetTableInfo(localTableId));
+
+            auto policy = Executor()->Scheme().GetTableInfo(localTableId)->CompactionPolicy;
+            auto opts = TScanOptions().SetResourceBroker(policy->BackupResourceBrokerTask, policy->DefaultTaskPriority + 2);
+            const ui64 scanId = QueueScan(localTableId, scan.Release(), localTxId, opts);
+            InFlightCondErase.Enqueue(localTxId, scanId, condition);
+        }
+    } else {
+        badRequest(TStringBuilder() << "Unknown table id: " << localPathId);
+    }
+
+    ctx.Send(ev->Sender, std::move(response));
+}
+
 void TDataShard::Handle(TEvPrivate::TEvConditionalEraseRowsRegistered::TPtr& ev, const TActorContext& ctx) {
-    if (!InFlightCondErase || InFlightCondErase.TxId != ev->Get()->TxId) { 
-        LOG_WARN_S(ctx, NKikimrServices::TX_DATASHARD, "Unknown conditional erase actor registered" 
-            << ": at: " << TabletID()); 
-        return; 
-    } 
- 
-    InFlightCondErase.ActorId = ev->Get()->ActorId; 
-} 
- 
+    if (!InFlightCondErase || InFlightCondErase.TxId != ev->Get()->TxId) {
+        LOG_WARN_S(ctx, NKikimrServices::TX_DATASHARD, "Unknown conditional erase actor registered"
+            << ": at: " << TabletID());
+        return;
+    }
+
+    InFlightCondErase.ActorId = ev->Get()->ActorId;
+}
+
 } // NDataShard
-} // NKikimr 
- 
-Y_DECLARE_OUT_SPEC(, NKikimrTxDataShard::TEvEraseRowsResponse::EStatus, stream, value) { 
-    stream << NKikimrTxDataShard::TEvEraseRowsResponse_EStatus_Name(value); 
-} 
- 
-Y_DECLARE_OUT_SPEC(, NKikimrTxDataShard::TEvConditionalEraseRowsResponse::EStatus, stream, value) { 
-    stream << NKikimrTxDataShard::TEvConditionalEraseRowsResponse_EStatus_Name(value); 
-} 
+} // NKikimr
+
+Y_DECLARE_OUT_SPEC(, NKikimrTxDataShard::TEvEraseRowsResponse::EStatus, stream, value) {
+    stream << NKikimrTxDataShard::TEvEraseRowsResponse_EStatus_Name(value);
+}
+
+Y_DECLARE_OUT_SPEC(, NKikimrTxDataShard::TEvConditionalEraseRowsResponse::EStatus, stream, value) {
+    stream << NKikimrTxDataShard::TEvConditionalEraseRowsResponse_EStatus_Name(value);
+}
diff --git a/ydb/core/tx/datashard/datashard__engine_host.cpp b/ydb/core/tx/datashard/datashard__engine_host.cpp
index 09b3c56383..876c337093 100644
--- a/ydb/core/tx/datashard/datashard__engine_host.cpp
+++ b/ydb/core/tx/datashard/datashard__engine_host.cpp
@@ -1,4 +1,4 @@
-#include "change_collector.h" 
+#include "change_collector.h"
 #include "datashard_impl.h"
 #include "datashard__engine_host.h"
 #include "sys_tables.h"
@@ -278,7 +278,7 @@ TIntrusivePtr<TThrRefBase> InitDataShardSysTables(TDataShard* self) {
 }
 
 ///
-class TDataShardEngineHost : public TEngineHost { 
+class TDataShardEngineHost : public TEngineHost {
 public:
     TDataShardEngineHost(TDataShard* self, NTable::TDatabase& db, TEngineHostCounters& counters, ui64& lockTxId, TInstant now)
         : TEngineHost(db, counters,
@@ -312,40 +312,40 @@ public:
         return ReadVersion;
     }
 
-    void SetIsImmediateTx() { 
-        IsImmediateTx = true; 
-    } 
- 
-    IChangeCollector* GetChangeCollector(const TTableId& tableId) const override { 
-        auto it = ChangeCollectors.find(tableId); 
-        if (it != ChangeCollectors.end()) { 
-            return it->second.Get(); 
-        } 
- 
-        it = ChangeCollectors.emplace(tableId, nullptr).first; 
-        if (!Self->IsUserTable(tableId)) { 
-            return it->second.Get(); 
-        } 
- 
-        it->second.Reset(CreateChangeCollector(*Self, DB, tableId.PathId.LocalPathId, IsImmediateTx)); 
-        return it->second.Get(); 
-    } 
- 
-    TVector<IChangeCollector::TChange> GetCollectedChanges() const { 
-        TVector<IChangeCollector::TChange> total; 
- 
-        for (auto& [_, collector] : ChangeCollectors) { 
-            if (!collector) { 
-                continue; 
-            } 
- 
-            auto collected = std::move(collector->GetCollected()); 
-            std::move(collected.begin(), collected.end(), std::back_inserter(total)); 
-        } 
- 
-        return total; 
-    } 
- 
+    void SetIsImmediateTx() {
+        IsImmediateTx = true;
+    }
+
+    IChangeCollector* GetChangeCollector(const TTableId& tableId) const override {
+        auto it = ChangeCollectors.find(tableId);
+        if (it != ChangeCollectors.end()) {
+            return it->second.Get();
+        }
+
+        it = ChangeCollectors.emplace(tableId, nullptr).first;
+        if (!Self->IsUserTable(tableId)) {
+            return it->second.Get();
+        }
+
+        it->second.Reset(CreateChangeCollector(*Self, DB, tableId.PathId.LocalPathId, IsImmediateTx));
+        return it->second.Get();
+    }
+
+    TVector<IChangeCollector::TChange> GetCollectedChanges() const {
+        TVector<IChangeCollector::TChange> total;
+
+        for (auto& [_, collector] : ChangeCollectors) {
+            if (!collector) {
+                continue;
+            }
+
+            auto collected = std::move(collector->GetCollected());
+            std::move(collected.begin(), collected.end(), std::back_inserter(total));
+        }
+
+        return total;
+    }
+
     bool IsValidKey(TKeyDesc& key, std::pair<ui64, ui64>& maxSnapshotTime) const override {
         if (TSysTables::IsSystemTable(key.TableId))
             return DataShardSysTable(key.TableId).IsValidKey(key);
@@ -359,7 +359,7 @@ public:
     }
 
     NUdf::TUnboxedValue SelectRow(const TTableId& tableId, const TArrayRef<const TCell>& row,
-        TStructLiteral* columnIds, TOptionalType* returnType, const TReadTarget& readTarget, 
+        TStructLiteral* columnIds, TOptionalType* returnType, const TReadTarget& readTarget,
         const THolderFactory& holderFactory) override
     {
         if (TSysTables::IsSystemTable(tableId)) {
@@ -499,11 +499,11 @@ private:
     TDataShard* Self;
     NTable::TDatabase& DB;
     const ui64& LockTxId;
-    bool IsImmediateTx = false; 
+    bool IsImmediateTx = false;
     TInstant Now;
     TRowVersion WriteVersion = TRowVersion::Max();
     TRowVersion ReadVersion = TRowVersion::Min();
-    mutable THashMap<TTableId, THolder<IChangeCollector>> ChangeCollectors; 
+    mutable THashMap<TTableId, THolder<IChangeCollector>> ChangeCollectors;
 };
 
 //
@@ -656,21 +656,21 @@ void TEngineBay::SetReadVersion(TRowVersion readVersion) {
     ComputeCtx->SetReadVersion(readVersion);
 }
 
-void TEngineBay::SetIsImmediateTx() { 
-    Y_VERIFY(EngineHost); 
- 
+void TEngineBay::SetIsImmediateTx() {
+    Y_VERIFY(EngineHost);
+
     auto* host = static_cast<TDataShardEngineHost*>(EngineHost.Get());
-    host->SetIsImmediateTx(); 
-} 
- 
-TVector<IChangeCollector::TChange> TEngineBay::GetCollectedChanges() const { 
-    Y_VERIFY(EngineHost); 
- 
+    host->SetIsImmediateTx();
+}
+
+TVector<IChangeCollector::TChange> TEngineBay::GetCollectedChanges() const {
+    Y_VERIFY(EngineHost);
+
     auto* host = static_cast<TDataShardEngineHost*>(EngineHost.Get());
-    return host->GetCollectedChanges(); 
-} 
- 
-IEngineFlat * TEngineBay::GetEngine() { 
+    return host->GetCollectedChanges();
+}
+
+IEngineFlat * TEngineBay::GetEngine() {
     if (!Engine) {
         Engine = CreateEngineFlat(*EngineSettings);
         Engine->SetStepTxId(StepTxId);
@@ -710,10 +710,10 @@ NKqp::TKqpTasksRunner& TEngineBay::GetKqpTasksRunner(const NKikimrTxDataShard::T
     return *KqpTasksRunner;
 }
 
-TKqpDatashardComputeContext& TEngineBay::GetKqpComputeCtx() { 
+TKqpDatashardComputeContext& TEngineBay::GetKqpComputeCtx() {
     Y_VERIFY(ComputeCtx);
     return *ComputeCtx;
 }
 
-} // NDataShard 
-} // NKikimr 
+} // NDataShard
+} // NKikimr
diff --git a/ydb/core/tx/datashard/datashard__engine_host.h b/ydb/core/tx/datashard/datashard__engine_host.h
index afe91d8092..8e3064c83d 100644
--- a/ydb/core/tx/datashard/datashard__engine_host.h
+++ b/ydb/core/tx/datashard/datashard__engine_host.h
@@ -92,10 +92,10 @@ public:
 
     void SetWriteVersion(TRowVersion writeVersion);
     void SetReadVersion(TRowVersion readVersion);
-    void SetIsImmediateTx(); 
+    void SetIsImmediateTx();
+
+    TVector<NMiniKQL::IChangeCollector::TChange> GetCollectedChanges() const;
 
-    TVector<NMiniKQL::IChangeCollector::TChange> GetCollectedChanges() const; 
- 
     void ResetCounters() { EngineHostCounters = TEngineHostCounters(); }
     const TEngineHostCounters& GetCounters() const { return EngineHostCounters; }
 
diff --git a/ydb/core/tx/datashard/datashard__init.cpp b/ydb/core/tx/datashard/datashard__init.cpp
index 9a9a01eb89..dc12c49959 100644
--- a/ydb/core/tx/datashard/datashard__init.cpp
+++ b/ydb/core/tx/datashard/datashard__init.cpp
@@ -21,18 +21,18 @@ bool TDataShard::TTxInit::Execute(TTransactionContext& txc, const TActorContext&
         Self->State = TShardState::Unknown;
         Self->LastLocalTid = Schema::MinLocalTid;
         Self->LastSeqno = 1;
-        Self->NextChangeRecordOrder = 1; 
-        Self->LastChangeRecordGroup = 1; 
+        Self->NextChangeRecordOrder = 1;
+        Self->LastChangeRecordGroup = 1;
         Self->TransQueue.Reset();
         Self->SnapshotManager.Reset();
-        Self->SchemaSnapshotManager.Reset(); 
-        Self->S3Uploads.Reset(); 
-        Self->S3Downloads.Reset(); 
-
-        Self->KillChangeSender(ctx); 
-        Self->ChangesQueue.clear(); 
-        ChangeRecords.clear(); 
- 
+        Self->SchemaSnapshotManager.Reset();
+        Self->S3Uploads.Reset();
+        Self->S3Downloads.Reset();
+
+        Self->KillChangeSender(ctx);
+        Self->ChangesQueue.clear();
+        ChangeRecords.clear();
+
         bool done = ReadEverything(txc);
 
         if (done && Self->State != TShardState::Offline) {
@@ -102,22 +102,22 @@ void TDataShard::TTxInit::Complete(const TActorContext &ctx) {
         }
     }
 
-    Self->CreateChangeSender(ctx); 
-    Self->EnqueueChangeRecords(std::move(ChangeRecords)); 
-    Self->MaybeActivateChangeSender(ctx); 
- 
-    if (!Self->ChangesQueue) { 
-        if (!Self->ChangeExchangeSplitter.Done()) { 
-            Self->ChangeExchangeSplitter.DoSplit(ctx); 
-        } else { 
-            for (const auto dstTabletId : Self->ChangeSenderActivator.GetDstSet()) { 
-                if (Self->SplitSrcSnapshotSender.Acked(dstTabletId)) { 
-                    Self->ChangeSenderActivator.DoSend(dstTabletId, ctx); 
-                } 
-            } 
-        } 
-    } 
- 
+    Self->CreateChangeSender(ctx);
+    Self->EnqueueChangeRecords(std::move(ChangeRecords));
+    Self->MaybeActivateChangeSender(ctx);
+
+    if (!Self->ChangesQueue) {
+        if (!Self->ChangeExchangeSplitter.Done()) {
+            Self->ChangeExchangeSplitter.DoSplit(ctx);
+        } else {
+            for (const auto dstTabletId : Self->ChangeSenderActivator.GetDstSet()) {
+                if (Self->SplitSrcSnapshotSender.Acked(dstTabletId)) {
+                    Self->ChangeSenderActivator.DoSend(dstTabletId, ctx);
+                }
+            }
+        }
+    }
+
     // Switch mvcc state if needed
     Self->CheckMvccStateChangeCanStart(ctx);
 }
@@ -153,17 +153,17 @@ bool TDataShard::TTxInit::ReadEverything(TTransactionContext &txc) {
         PRECHARGE_SYS_TABLE(Schema::SplitSrcSnapshots);
         PRECHARGE_SYS_TABLE(Schema::SplitDstReceivedSnapshots);
         PRECHARGE_SYS_TABLE(Schema::Snapshots);
-        PRECHARGE_SYS_TABLE(Schema::S3Uploads); 
-        PRECHARGE_SYS_TABLE(Schema::S3UploadedParts); 
-        PRECHARGE_SYS_TABLE(Schema::S3Downloads); 
-        PRECHARGE_SYS_TABLE(Schema::ChangeRecords); 
-        PRECHARGE_SYS_TABLE(Schema::SrcChangeSenderActivations); 
-        PRECHARGE_SYS_TABLE(Schema::DstChangeSenderActivations); 
+        PRECHARGE_SYS_TABLE(Schema::S3Uploads);
+        PRECHARGE_SYS_TABLE(Schema::S3UploadedParts);
+        PRECHARGE_SYS_TABLE(Schema::S3Downloads);
+        PRECHARGE_SYS_TABLE(Schema::ChangeRecords);
+        PRECHARGE_SYS_TABLE(Schema::SrcChangeSenderActivations);
+        PRECHARGE_SYS_TABLE(Schema::DstChangeSenderActivations);
         PRECHARGE_SYS_TABLE(Schema::ReplicationSources);
         PRECHARGE_SYS_TABLE(Schema::ReplicationSourceOffsets);
         PRECHARGE_SYS_TABLE(Schema::DstReplicationSourceOffsetsReceived);
         PRECHARGE_SYS_TABLE(Schema::UserTablesStats);
-        PRECHARGE_SYS_TABLE(Schema::SchemaSnapshots); 
+        PRECHARGE_SYS_TABLE(Schema::SchemaSnapshots);
 
         if (!ready)
             return false;
@@ -175,8 +175,8 @@ bool TDataShard::TTxInit::ReadEverything(TTransactionContext &txc) {
     LOAD_SYS_UI64(db, Schema::Sys_State, Self->State);
     LOAD_SYS_UI64(db, Schema::Sys_LastLocalTid, Self->LastLocalTid);
     LOAD_SYS_UI64(db, Schema::Sys_LastSeqno, Self->LastSeqno);
-    LOAD_SYS_UI64(db, Schema::Sys_NextChangeRecordOrder, Self->NextChangeRecordOrder); 
-    LOAD_SYS_UI64(db, Schema::Sys_LastChangeRecordGroup, Self->LastChangeRecordGroup); 
+    LOAD_SYS_UI64(db, Schema::Sys_NextChangeRecordOrder, Self->NextChangeRecordOrder);
+    LOAD_SYS_UI64(db, Schema::Sys_LastChangeRecordGroup, Self->LastChangeRecordGroup);
     LOAD_SYS_UI64(db, Schema::Sys_TxReadSizeLimit, Self->TxReadSizeLimit);
     LOAD_SYS_UI64(db, Schema::Sys_PathOwnerId, Self->PathOwnerId);
     LOAD_SYS_UI64(db, Schema::Sys_CurrentSchemeShardId, Self->CurrentSchemeShardId);
@@ -267,21 +267,21 @@ bool TDataShard::TTxInit::ReadEverything(TTransactionContext &txc) {
         Self->SplitSnapshotStarted = false;
     }
 
-    if (db.HaveTable<Schema::SrcChangeSenderActivations>()) { 
-        // Read change sender activations on src tablet 
-        auto rowset = db.Table<Schema::SrcChangeSenderActivations>().GreaterOrEqual(0).Select(); 
-        if (!rowset.IsReady()) 
-            return false; 
- 
-        while (!rowset.EndOfSet()) { 
-            ui64 dstTabletId = rowset.GetValue<Schema::SrcChangeSenderActivations::DstTabletId>(); 
-            Self->ChangeSenderActivator.AddDst(dstTabletId); 
- 
-            if (!rowset.Next()) 
-                return false; 
-        } 
-    } 
- 
+    if (db.HaveTable<Schema::SrcChangeSenderActivations>()) {
+        // Read change sender activations on src tablet
+        auto rowset = db.Table<Schema::SrcChangeSenderActivations>().GreaterOrEqual(0).Select();
+        if (!rowset.IsReady())
+            return false;
+
+        while (!rowset.EndOfSet()) {
+            ui64 dstTabletId = rowset.GetValue<Schema::SrcChangeSenderActivations::DstTabletId>();
+            Self->ChangeSenderActivator.AddDst(dstTabletId);
+
+            if (!rowset.Next())
+                return false;
+        }
+    }
+
     // Split/Merge description on DST
     LOAD_SYS_UI64(db, Schema::Sys_DstSplitOpId, Self->DstSplitOpId);
     {
@@ -297,8 +297,8 @@ bool TDataShard::TTxInit::ReadEverything(TTransactionContext &txc) {
 
         // Add all SRC datashards to the list
         Self->ReceiveSnapshotsFrom.clear();
-        Self->ReceiveActivationsFrom.clear(); 
- 
+        Self->ReceiveActivationsFrom.clear();
+
         if (Self->DstSplitDescription) {
             for (ui32 i = 0; i < Self->DstSplitDescription->SourceRangesSize(); ++i) {
                 ui64 srcTabletId = Self->DstSplitDescription->GetSourceRanges(i).GetTabletID();
@@ -306,33 +306,33 @@ bool TDataShard::TTxInit::ReadEverything(TTransactionContext &txc) {
             }
         }
 
-        { 
-            auto rowset = db.Table<Schema::SplitDstReceivedSnapshots>().GreaterOrEqual(0).Select(); 
-            if (!rowset.IsReady()) 
-                return false; 
-
-            // Exclude SRC datashards from which the snapshots have already been received 
-            while (!rowset.EndOfSet()) { 
-                ui64 srcTabletId = rowset.GetValue<Schema::SplitDstReceivedSnapshots::SrcTabletId>(); 
-                Self->ReceiveSnapshotsFrom.erase(srcTabletId); 
-
-                if (!rowset.Next()) 
-                    return false; 
-            } 
-        } 
- 
-        if (db.HaveTable<Schema::DstChangeSenderActivations>()) { 
-            auto rowset = db.Table<Schema::DstChangeSenderActivations>().GreaterOrEqual(0).Select(); 
-            if (!rowset.IsReady()) 
+        {
+            auto rowset = db.Table<Schema::SplitDstReceivedSnapshots>().GreaterOrEqual(0).Select();
+            if (!rowset.IsReady())
+                return false;
+
+            // Exclude SRC datashards from which the snapshots have already been received
+            while (!rowset.EndOfSet()) {
+                ui64 srcTabletId = rowset.GetValue<Schema::SplitDstReceivedSnapshots::SrcTabletId>();
+                Self->ReceiveSnapshotsFrom.erase(srcTabletId);
+
+                if (!rowset.Next())
+                    return false;
+            }
+        }
+
+        if (db.HaveTable<Schema::DstChangeSenderActivations>()) {
+            auto rowset = db.Table<Schema::DstChangeSenderActivations>().GreaterOrEqual(0).Select();
+            if (!rowset.IsReady())
                 return false;
- 
-            while (!rowset.EndOfSet()) { 
-                ui64 srcTabletId = rowset.GetValue<Schema::DstChangeSenderActivations::SrcTabletId>(); 
-                Self->ReceiveActivationsFrom.insert(srcTabletId); 
- 
-                if (!rowset.Next()) 
-                    return false; 
-            } 
+
+            while (!rowset.EndOfSet()) {
+                ui64 srcTabletId = rowset.GetValue<Schema::DstChangeSenderActivations::SrcTabletId>();
+                Self->ReceiveActivationsFrom.insert(srcTabletId);
+
+                if (!rowset.Next())
+                    return false;
+            }
         }
     }
 
@@ -345,11 +345,11 @@ bool TDataShard::TTxInit::ReadEverything(TTransactionContext &txc) {
             Self->SrcSplitDescription = std::make_shared<NKikimrTxDataShard::TSplitMergeDescription>();
             bool parseOk = ParseFromStringNoSizeLimit(*Self->SrcSplitDescription, splitDescr);
             Y_VERIFY(parseOk);
- 
-            for (ui32 i = 0; i < Self->SrcSplitDescription->DestinationRangesSize(); ++i) { 
-                ui64 dstTablet = Self->SrcSplitDescription->GetDestinationRanges(i).GetTabletID(); 
-                Self->ChangeExchangeSplitter.AddDst(dstTablet); 
-            } 
+
+            for (ui32 i = 0; i < Self->SrcSplitDescription->DestinationRangesSize(); ++i) {
+                ui64 dstTablet = Self->SrcSplitDescription->GetDestinationRanges(i).GetTabletID();
+                Self->ChangeExchangeSplitter.AddDst(dstTablet);
+            }
         }
     }
 
@@ -388,22 +388,22 @@ bool TDataShard::TTxInit::ReadEverything(TTransactionContext &txc) {
             return false;
     }
 
-    if (Self->State != TShardState::Offline && txc.DB.GetScheme().GetTableInfo(Schema::S3Uploads::TableId)) { 
-        if (!Self->S3Uploads.Load(db)) 
-            return false; 
-    } 
- 
-    if (Self->State != TShardState::Offline && txc.DB.GetScheme().GetTableInfo(Schema::S3Downloads::TableId)) { 
-        if (!Self->S3Downloads.Load(db)) 
-            return false; 
-    } 
- 
-    if (Self->State != TShardState::Offline && txc.DB.GetScheme().GetTableInfo(Schema::ChangeRecords::TableId)) { 
+    if (Self->State != TShardState::Offline && txc.DB.GetScheme().GetTableInfo(Schema::S3Uploads::TableId)) {
+        if (!Self->S3Uploads.Load(db))
+            return false;
+    }
+
+    if (Self->State != TShardState::Offline && txc.DB.GetScheme().GetTableInfo(Schema::S3Downloads::TableId)) {
+        if (!Self->S3Downloads.Load(db))
+            return false;
+    }
+
+    if (Self->State != TShardState::Offline && txc.DB.GetScheme().GetTableInfo(Schema::ChangeRecords::TableId)) {
         if (!Self->LoadChangeRecords(db, ChangeRecords)) {
-            return false; 
-        } 
-    } 
- 
+            return false;
+        }
+    }
+
     Self->ReplicatedTables.clear();
     if (Self->State != TShardState::Offline && txc.DB.GetScheme().GetTableInfo(Schema::ReplicationSources::TableId)) {
         auto rowset = db.Table<Schema::ReplicationSources>().Select();
@@ -473,12 +473,12 @@ bool TDataShard::TTxInit::ReadEverything(TTransactionContext &txc) {
         }
     }
 
-    if (Self->State != TShardState::Offline && txc.DB.GetScheme().GetTableInfo(Schema::SchemaSnapshots::TableId)) { 
-        if (!Self->SchemaSnapshotManager.Load(db)) { 
-            return false; 
-        } 
-    } 
- 
+    if (Self->State != TShardState::Offline && txc.DB.GetScheme().GetTableInfo(Schema::SchemaSnapshots::TableId)) {
+        if (!Self->SchemaSnapshotManager.Load(db)) {
+            return false;
+        }
+    }
+
     return true;
 }
 
@@ -508,9 +508,9 @@ public:
         // Skip full schema migration (and dropped system table recreation)
         // if the datashard is in the process of drop.
         if (Self->State == TShardState::PreOffline || Self->State == TShardState::Offline) {
-            db.MaterializeExisting<Schema>(); 
-            Schema::SchemaTables<Schema::SchemaOperations>::Materialize(txc.DB, NIceDb::EMaterializationMode::NonExisting); 
-            Schema::SchemaTables<Schema::ScanProgress>::Materialize(txc.DB, NIceDb::EMaterializationMode::NonExisting); 
+            db.MaterializeExisting<Schema>();
+            Schema::SchemaTables<Schema::SchemaOperations>::Materialize(txc.DB, NIceDb::EMaterializationMode::NonExisting);
+            Schema::SchemaTables<Schema::ScanProgress>::Materialize(txc.DB, NIceDb::EMaterializationMode::NonExisting);
         } else {
             db.Materialize<Schema>();
         }
@@ -521,12 +521,12 @@ public:
 
             Self->PersistSys(db, Schema::Sys_State, Self->State);
 
-            if (AppData(ctx)->FeatureFlags.GetEnableMvcc()) { 
-                auto state = *AppData(ctx)->FeatureFlags.GetEnableMvcc() ? EMvccState::MvccEnabled : EMvccState::MvccDisabled; 
+            if (AppData(ctx)->FeatureFlags.GetEnableMvcc()) {
+                auto state = *AppData(ctx)->FeatureFlags.GetEnableMvcc() ? EMvccState::MvccEnabled : EMvccState::MvccDisabled;
                 Self->PersistSys(db, Schema::SysMvcc_State, (ui32)state);
 
                 LOG_DEBUG(ctx, NKikimrServices::TX_DATASHARD, TStringBuilder() << "TxInitSchema.Execute"
-                    << " MVCC state switched to" << (*AppData(ctx)->FeatureFlags.GetEnableMvcc() ? " enabled" : " disabled") << " state"); 
+                    << " MVCC state switched to" << (*AppData(ctx)->FeatureFlags.GetEnableMvcc() ? " enabled" : " disabled") << " state");
             }
 
             Self->MvccSwitchState = TSwitchState::DONE;
diff --git a/ydb/core/tx/datashard/datashard__op_rows.cpp b/ydb/core/tx/datashard/datashard__op_rows.cpp
index e0181a4199..3b3c9d9d6f 100644
--- a/ydb/core/tx/datashard/datashard__op_rows.cpp
+++ b/ydb/core/tx/datashard/datashard__op_rows.cpp
@@ -6,9 +6,9 @@ namespace NDataShard {
 
 using namespace NTabletFlatExecutor;
 
-template <typename TEvRequest> 
+template <typename TEvRequest>
 class TTxDirectBase : public TTransactionBase<TDataShard> {
-    TEvRequest Ev; 
+    TEvRequest Ev;
 
     TOperation::TPtr Op;
     TVector<EExecutionUnitKind> CompleteList;
@@ -17,13 +17,13 @@ public:
     TTxDirectBase(TDataShard* ds, TEvRequest ev)
         : TBase(ds)
         , Ev(ev)
-    { 
-    } 
+    {
+    }
+
+    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override {
+        LOG_INFO_S(ctx, NKikimrServices::TX_DATASHARD, "TTxDirectBase(" << GetTxType() << ") Execute"
+            << ": at tablet# " << Self->TabletID());
 
-    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override { 
-        LOG_INFO_S(ctx, NKikimrServices::TX_DATASHARD, "TTxDirectBase(" << GetTxType() << ") Execute" 
-            << ": at tablet# " << Self->TabletID()); 
- 
         if (Self->IsFollower()) {
             return true; // TODO: report error
         }
@@ -48,48 +48,48 @@ public:
         }
     }
 
-    void Complete(const TActorContext& ctx) override { 
-        LOG_INFO_S(ctx, NKikimrServices::TX_DATASHARD, "TTxDirectBase(" << GetTxType() << ") Complete" 
-            << ": at tablet# " << Self->TabletID()); 
- 
+    void Complete(const TActorContext& ctx) override {
+        LOG_INFO_S(ctx, NKikimrServices::TX_DATASHARD, "TTxDirectBase(" << GetTxType() << ") Complete"
+            << ": at tablet# " << Self->TabletID());
+
         Self->Pipeline.RunCompleteList(Op, CompleteList, ctx);
-        if (Self->Pipeline.CanRunAnotherOp()) { 
+        if (Self->Pipeline.CanRunAnotherOp()) {
             Self->PlanQueue.Progress(ctx);
-        } 
+        }
     }
- 
-}; // TTxDirectBase 
- 
+
+}; // TTxDirectBase
+
 class TDataShard::TTxUploadRows : public TTxDirectBase<TEvDataShard::TEvUploadRowsRequest::TPtr> {
-public: 
-    using TTxDirectBase::TTxDirectBase; 
-    TTxType GetTxType() const override { return TXTYPE_UPLOAD_ROWS; } 
+public:
+    using TTxDirectBase::TTxDirectBase;
+    TTxType GetTxType() const override { return TXTYPE_UPLOAD_ROWS; }
 };
 
 class TDataShard::TTxEraseRows : public TTxDirectBase<TEvDataShard::TEvEraseRowsRequest::TPtr> {
-public: 
-    using TTxDirectBase::TTxDirectBase; 
-    TTxType GetTxType() const override { return TXTYPE_ERASE_ROWS; } 
-}; 
- 
+public:
+    using TTxDirectBase::TTxDirectBase;
+    TTxType GetTxType() const override { return TXTYPE_ERASE_ROWS; }
+};
+
 static void OutOfSpace(NKikimrTxDataShard::TEvUploadRowsResponse& response) {
     response.SetStatus(NKikimrTxDataShard::TError::OUT_OF_SPACE);
 }
 
-static void WrongShardState(NKikimrTxDataShard::TEvUploadRowsResponse& response) { 
-    response.SetStatus(NKikimrTxDataShard::TError::WRONG_SHARD_STATE); 
-} 
- 
+static void WrongShardState(NKikimrTxDataShard::TEvUploadRowsResponse& response) {
+    response.SetStatus(NKikimrTxDataShard::TError::WRONG_SHARD_STATE);
+}
+
 static void OutOfSpace(NKikimrTxDataShard::TEvEraseRowsResponse& response) {
     // NOTE: this function is never called, because erase is allowed when out of space
     response.SetStatus(NKikimrTxDataShard::TEvEraseRowsResponse::WRONG_SHARD_STATE);
 }
 
-static void WrongShardState(NKikimrTxDataShard::TEvEraseRowsResponse& response) { 
-    response.SetStatus(NKikimrTxDataShard::TEvEraseRowsResponse::WRONG_SHARD_STATE); 
-} 
- 
-template <typename TEvResponse, typename TEvRequest> 
+static void WrongShardState(NKikimrTxDataShard::TEvEraseRowsResponse& response) {
+    response.SetStatus(NKikimrTxDataShard::TEvEraseRowsResponse::WRONG_SHARD_STATE);
+}
+
+template <typename TEvResponse, typename TEvRequest>
 static bool MaybeReject(TDataShard* self, TEvRequest& ev, const TActorContext& ctx, const TString& txDesc, bool isWrite) {
     NKikimrTxDataShard::TEvProposeTransactionResult::EStatus rejectStatus;
     TString rejectReason;
@@ -110,42 +110,42 @@ static bool MaybeReject(TDataShard* self, TEvRequest& ev, const TActorContext& c
         }
     }
 
-    if (!reject) { 
-        return false; 
-    } 
+    if (!reject) {
+        return false;
+    }
 
-    LOG_NOTICE_S(ctx, NKikimrServices::TX_DATASHARD, "Rejecting " << txDesc << " request on datashard" 
-        << ": tablet# " << self->TabletID() 
+    LOG_NOTICE_S(ctx, NKikimrServices::TX_DATASHARD, "Rejecting " << txDesc << " request on datashard"
+        << ": tablet# " << self->TabletID()
         << ", error# " << rejectReason);
 
-    auto response = MakeHolder<TEvResponse>(); 
-    response->Record.SetTabletID(self->TabletID()); 
+    auto response = MakeHolder<TEvResponse>();
+    response->Record.SetTabletID(self->TabletID());
     if (outOfSpace) {
         OutOfSpace(response->Record);
     } else {
         WrongShardState(response->Record);
     }
     response->Record.SetErrorDescription(rejectReason);
-    ctx.Send(ev->Sender, std::move(response)); 
+    ctx.Send(ev->Sender, std::move(response));
+
+    return true;
+}
 
-    return true; 
-} 
- 
 void TDataShard::Handle(TEvDataShard::TEvUploadRowsRequest::TPtr& ev, const TActorContext& ctx) {
     if (!MaybeReject<TEvDataShard::TEvUploadRowsResponse>(this, ev, ctx, "bulk upsert", true)) {
-        Executor()->Execute(new TTxUploadRows(this, ev), ctx); 
-    } else { 
+        Executor()->Execute(new TTxUploadRows(this, ev), ctx);
+    } else {
         IncCounter(COUNTER_BULK_UPSERT_OVERLOADED);
     }
 }
 
 void TDataShard::Handle(TEvDataShard::TEvEraseRowsRequest::TPtr& ev, const TActorContext& ctx) {
     if (!MaybeReject<TEvDataShard::TEvEraseRowsResponse>(this, ev, ctx, "erase", false)) {
-        Executor()->Execute(new TTxEraseRows(this, ev), ctx); 
-    } else { 
-        IncCounter(COUNTER_ERASE_ROWS_OVERLOADED); 
-    } 
-} 
- 
+        Executor()->Execute(new TTxEraseRows(this, ev), ctx);
+    } else {
+        IncCounter(COUNTER_ERASE_ROWS_OVERLOADED);
+    }
+}
+
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/datashard__s3_download_txs.cpp b/ydb/core/tx/datashard/datashard__s3_download_txs.cpp
index 0eb5811901..e726171a8e 100644
--- a/ydb/core/tx/datashard/datashard__s3_download_txs.cpp
+++ b/ydb/core/tx/datashard/datashard__s3_download_txs.cpp
@@ -1,60 +1,60 @@
-#include "datashard_txs.h" 
- 
-namespace NKikimr { 
+#include "datashard_txs.h"
+
+namespace NKikimr {
 namespace NDataShard {
- 
-using namespace NTabletFlatExecutor; 
- 
-/// Get 
+
+using namespace NTabletFlatExecutor;
+
+/// Get
 TDataShard::TTxGetS3DownloadInfo::TTxGetS3DownloadInfo(
     TDataShard* ds,
-    TEvDataShard::TEvGetS3DownloadInfo::TPtr ev) 
-    : TBase(ds) 
-    , Ev(std::move(ev)) 
-{ } 
- 
+    TEvDataShard::TEvGetS3DownloadInfo::TPtr ev)
+    : TBase(ds)
+    , Ev(std::move(ev))
+{ }
+
 bool TDataShard::TTxGetS3DownloadInfo::Execute(TTransactionContext& txc, const TActorContext&) {
-    txc.DB.NoMoreReadsForTx(); 
- 
-    const auto* info = Self->S3Downloads.Find(Ev->Get()->TxId); 
-    if (!info) { 
-        Reply.Reset(new TEvDataShard::TEvS3DownloadInfo); 
-    } else { 
-        Reply.Reset(new TEvDataShard::TEvS3DownloadInfo(*info)); 
-    } 
- 
-    return true; 
-} 
- 
+    txc.DB.NoMoreReadsForTx();
+
+    const auto* info = Self->S3Downloads.Find(Ev->Get()->TxId);
+    if (!info) {
+        Reply.Reset(new TEvDataShard::TEvS3DownloadInfo);
+    } else {
+        Reply.Reset(new TEvDataShard::TEvS3DownloadInfo(*info));
+    }
+
+    return true;
+}
+
 void TDataShard::TTxGetS3DownloadInfo::Complete(const TActorContext& ctx) {
-    Y_VERIFY(Reply); 
-    ctx.Send(Ev->Get()->ReplyTo, Reply.Release(), 0, Ev->Cookie); 
-} 
- 
-/// Store 
+    Y_VERIFY(Reply);
+    ctx.Send(Ev->Get()->ReplyTo, Reply.Release(), 0, Ev->Cookie);
+}
+
+/// Store
 TDataShard::TTxStoreS3DownloadInfo::TTxStoreS3DownloadInfo(
     TDataShard* ds,
-    TEvDataShard::TEvStoreS3DownloadInfo::TPtr ev) 
-    : TBase(ds) 
-    , Ev(std::move(ev)) 
-{ } 
- 
+    TEvDataShard::TEvStoreS3DownloadInfo::TPtr ev)
+    : TBase(ds)
+    , Ev(std::move(ev))
+{ }
+
 bool TDataShard::TTxStoreS3DownloadInfo::Execute(TTransactionContext& txc, const TActorContext&) {
-    const auto& msg = *Ev->Get(); 
- 
-    txc.DB.NoMoreReadsForTx(); 
-    NIceDb::TNiceDb db(txc.DB); 
- 
-    const auto& info = Self->S3Downloads.Store(db, msg); 
-    Reply.Reset(new TEvDataShard::TEvS3DownloadInfo(info)); 
- 
-    return true; 
-} 
- 
+    const auto& msg = *Ev->Get();
+
+    txc.DB.NoMoreReadsForTx();
+    NIceDb::TNiceDb db(txc.DB);
+
+    const auto& info = Self->S3Downloads.Store(db, msg);
+    Reply.Reset(new TEvDataShard::TEvS3DownloadInfo(info));
+
+    return true;
+}
+
 void TDataShard::TTxStoreS3DownloadInfo::Complete(const TActorContext& ctx) {
-    Y_VERIFY(Reply); 
-    ctx.Send(Ev->Get()->ReplyTo, Reply.Release(), 0, Ev->Cookie); 
-} 
- 
+    Y_VERIFY(Reply);
+    ctx.Send(Ev->Get()->ReplyTo, Reply.Release(), 0, Ev->Cookie);
+}
+
 }   // namespace NDataShard
-}   // namespace NKikimr 
+}   // namespace NKikimr
diff --git a/ydb/core/tx/datashard/datashard__s3_upload_txs.cpp b/ydb/core/tx/datashard/datashard__s3_upload_txs.cpp
index 9f9e7f2369..4d9db1f74c 100644
--- a/ydb/core/tx/datashard/datashard__s3_upload_txs.cpp
+++ b/ydb/core/tx/datashard/datashard__s3_upload_txs.cpp
@@ -1,80 +1,80 @@
-#include "datashard_txs.h" 
- 
-namespace NKikimr { 
+#include "datashard_txs.h"
+
+namespace NKikimr {
 namespace NDataShard {
- 
-using namespace NTabletFlatExecutor; 
- 
-/// Get 
+
+using namespace NTabletFlatExecutor;
+
+/// Get
 TDataShard::TTxGetS3Upload::TTxGetS3Upload(
     TDataShard* ds,
-    TEvDataShard::TEvGetS3Upload::TPtr ev) 
-    : TBase(ds) 
-    , Ev(std::move(ev)) 
-{ } 
- 
+    TEvDataShard::TEvGetS3Upload::TPtr ev)
+    : TBase(ds)
+    , Ev(std::move(ev))
+{ }
+
 bool TDataShard::TTxGetS3Upload::Execute(TTransactionContext& txc, const TActorContext&) {
-    txc.DB.NoMoreReadsForTx(); 
- 
-    if (const auto* upload = Self->S3Uploads.Find(Ev->Get()->TxId)) { 
-        Reply.Reset(new TEvDataShard::TEvS3Upload(*upload)); 
-    } else { 
-        Reply.Reset(new TEvDataShard::TEvS3Upload); 
-    } 
- 
-    return true; 
-} 
- 
+    txc.DB.NoMoreReadsForTx();
+
+    if (const auto* upload = Self->S3Uploads.Find(Ev->Get()->TxId)) {
+        Reply.Reset(new TEvDataShard::TEvS3Upload(*upload));
+    } else {
+        Reply.Reset(new TEvDataShard::TEvS3Upload);
+    }
+
+    return true;
+}
+
 void TDataShard::TTxGetS3Upload::Complete(const TActorContext& ctx) {
-    Y_VERIFY(Reply); 
-    ctx.Send(Ev->Get()->ReplyTo, Reply.Release(), 0, Ev->Cookie); 
-} 
- 
-/// Store id 
+    Y_VERIFY(Reply);
+    ctx.Send(Ev->Get()->ReplyTo, Reply.Release(), 0, Ev->Cookie);
+}
+
+/// Store id
 TDataShard::TTxStoreS3UploadId::TTxStoreS3UploadId(
     TDataShard* ds,
-    TEvDataShard::TEvStoreS3UploadId::TPtr ev) 
-    : TBase(ds) 
-    , Ev(std::move(ev)) 
-{ } 
- 
+    TEvDataShard::TEvStoreS3UploadId::TPtr ev)
+    : TBase(ds)
+    , Ev(std::move(ev))
+{ }
+
 bool TDataShard::TTxStoreS3UploadId::Execute(TTransactionContext& txc, const TActorContext&) {
-    txc.DB.NoMoreReadsForTx(); 
- 
-    const auto& msg = *Ev->Get(); 
-    const auto& upload = Self->S3Uploads.Add(txc.DB, msg.TxId, msg.UploadId); 
-    Reply.Reset(new TEvDataShard::TEvS3Upload(upload)); 
- 
-    return true; 
-} 
- 
+    txc.DB.NoMoreReadsForTx();
+
+    const auto& msg = *Ev->Get();
+    const auto& upload = Self->S3Uploads.Add(txc.DB, msg.TxId, msg.UploadId);
+    Reply.Reset(new TEvDataShard::TEvS3Upload(upload));
+
+    return true;
+}
+
 void TDataShard::TTxStoreS3UploadId::Complete(const TActorContext& ctx) {
-    Y_VERIFY(Reply); 
-    ctx.Send(Ev->Get()->ReplyTo, Reply.Release(), 0, Ev->Cookie); 
-} 
- 
-/// Change status 
+    Y_VERIFY(Reply);
+    ctx.Send(Ev->Get()->ReplyTo, Reply.Release(), 0, Ev->Cookie);
+}
+
+/// Change status
 TDataShard::TTxChangeS3UploadStatus::TTxChangeS3UploadStatus(
     TDataShard* ds,
-    TEvDataShard::TEvChangeS3UploadStatus::TPtr ev) 
-    : TBase(ds) 
-    , Ev(std::move(ev)) 
-{ } 
- 
+    TEvDataShard::TEvChangeS3UploadStatus::TPtr ev)
+    : TBase(ds)
+    , Ev(std::move(ev))
+{ }
+
 bool TDataShard::TTxChangeS3UploadStatus::Execute(TTransactionContext& txc, const TActorContext&) {
-    txc.DB.NoMoreReadsForTx(); 
- 
-    auto& msg = *Ev->Get(); 
-    const auto& upload = Self->S3Uploads.ChangeStatus(txc.DB, msg.TxId, msg.Status, std::move(msg.Error), std::move(msg.Parts)); 
-    Reply.Reset(new TEvDataShard::TEvS3Upload(upload)); 
- 
-    return true; 
-} 
- 
+    txc.DB.NoMoreReadsForTx();
+
+    auto& msg = *Ev->Get();
+    const auto& upload = Self->S3Uploads.ChangeStatus(txc.DB, msg.TxId, msg.Status, std::move(msg.Error), std::move(msg.Parts));
+    Reply.Reset(new TEvDataShard::TEvS3Upload(upload));
+
+    return true;
+}
+
 void TDataShard::TTxChangeS3UploadStatus::Complete(const TActorContext& ctx) {
-    Y_VERIFY(Reply); 
-    ctx.Send(Ev->Get()->ReplyTo, Reply.Release(), 0, Ev->Cookie); 
-} 
- 
+    Y_VERIFY(Reply);
+    ctx.Send(Ev->Get()->ReplyTo, Reply.Release(), 0, Ev->Cookie);
+}
+
 }   // namespace NDataShard
-}   // namespace NKikimr 
+}   // namespace NKikimr
diff --git a/ydb/core/tx/datashard/datashard_active_transaction.cpp b/ydb/core/tx/datashard/datashard_active_transaction.cpp
index 7b4e53a7c7..0226bd42e2 100644
--- a/ydb/core/tx/datashard/datashard_active_transaction.cpp
+++ b/ydb/core/tx/datashard/datashard_active_transaction.cpp
@@ -47,9 +47,9 @@ TValidatedDataTx::TValidatedDataTx(TDataShard *self,
     if (Tx.GetLockTxId())
         EngineBay.SetLockTxId(Tx.GetLockTxId());
 
-    if (Tx.GetImmediate()) 
-        EngineBay.SetIsImmediateTx(); 
- 
+    if (Tx.GetImmediate())
+        EngineBay.SetIsImmediateTx();
+
     if (Tx.HasReadTableTransaction()) {
         auto &tx = Tx.GetReadTableTransaction();
         if (self->TableInfos.contains(tx.GetTableId().GetTableId())) {
@@ -401,8 +401,8 @@ void TActiveTransaction::FillTxData(TDataShard *self,
         BuildSchemeTx();
     } else if (IsSnapshotTx()) {
         BuildSnapshotTx();
-    } else if (IsDistributedEraseTx()) { 
-        BuildDistributedEraseTx(); 
+    } else if (IsDistributedEraseTx()) {
+        BuildDistributedEraseTx();
     } else if (IsCommitWritesTx()) {
         BuildCommitWritesTx();
     }
@@ -437,54 +437,54 @@ bool TActiveTransaction::BuildSchemeTx()
         + (ui32)SchemeTx->HasDropTable()
         + (ui32)SchemeTx->HasAlterTable()
         + (ui32)SchemeTx->HasBackup()
-        + (ui32)SchemeTx->HasRestore() 
+        + (ui32)SchemeTx->HasRestore()
         + (ui32)SchemeTx->HasSendSnapshot()
         + (ui32)SchemeTx->HasCreatePersistentSnapshot()
         + (ui32)SchemeTx->HasDropPersistentSnapshot()
         + (ui32)SchemeTx->HasInitiateBuildIndex()
         + (ui32)SchemeTx->HasFinalizeBuildIndex()
         + (ui32)SchemeTx->HasDropIndexNotice()
-        + (ui32)SchemeTx->HasMoveTable() 
-        + (ui32)SchemeTx->HasCreateCdcStreamNotice() 
-        + (ui32)SchemeTx->HasAlterCdcStreamNotice() 
-        + (ui32)SchemeTx->HasDropCdcStreamNotice(); 
+        + (ui32)SchemeTx->HasMoveTable()
+        + (ui32)SchemeTx->HasCreateCdcStreamNotice()
+        + (ui32)SchemeTx->HasAlterCdcStreamNotice()
+        + (ui32)SchemeTx->HasDropCdcStreamNotice();
     if (count != 1)
         return false;
 
     if (SchemeTx->HasCreateTable())
-        SchemeTxType = TSchemaOperation::ETypeCreate; 
+        SchemeTxType = TSchemaOperation::ETypeCreate;
     else if (SchemeTx->HasDropTable())
-        SchemeTxType = TSchemaOperation::ETypeDrop; 
+        SchemeTxType = TSchemaOperation::ETypeDrop;
     else if (SchemeTx->HasAlterTable())
-        SchemeTxType = TSchemaOperation::ETypeAlter; 
+        SchemeTxType = TSchemaOperation::ETypeAlter;
     else if (SchemeTx->HasBackup())
-        SchemeTxType = TSchemaOperation::ETypeBackup; 
-    else if (SchemeTx->HasRestore()) 
-        SchemeTxType = TSchemaOperation::ETypeRestore; 
+        SchemeTxType = TSchemaOperation::ETypeBackup;
+    else if (SchemeTx->HasRestore())
+        SchemeTxType = TSchemaOperation::ETypeRestore;
     else if (SchemeTx->HasSendSnapshot())
-        SchemeTxType = TSchemaOperation::ETypeCopy; 
+        SchemeTxType = TSchemaOperation::ETypeCopy;
     else if (SchemeTx->HasCreatePersistentSnapshot())
-        SchemeTxType = TSchemaOperation::ETypeCreatePersistentSnapshot; 
+        SchemeTxType = TSchemaOperation::ETypeCreatePersistentSnapshot;
     else if (SchemeTx->HasDropPersistentSnapshot())
-        SchemeTxType = TSchemaOperation::ETypeDropPersistentSnapshot; 
+        SchemeTxType = TSchemaOperation::ETypeDropPersistentSnapshot;
     else if (SchemeTx->HasInitiateBuildIndex())
-        SchemeTxType = TSchemaOperation::ETypeInitiateBuildIndex; 
+        SchemeTxType = TSchemaOperation::ETypeInitiateBuildIndex;
     else if (SchemeTx->HasFinalizeBuildIndex())
-        SchemeTxType = TSchemaOperation::ETypeFinalizeBuildIndex; 
+        SchemeTxType = TSchemaOperation::ETypeFinalizeBuildIndex;
     else if (SchemeTx->HasDropIndexNotice())
-        SchemeTxType = TSchemaOperation::ETypeDropIndexNotice; 
+        SchemeTxType = TSchemaOperation::ETypeDropIndexNotice;
     else if (SchemeTx->HasMoveTable())
         SchemeTxType = TSchemaOperation::ETypeMoveTable;
-    else if (SchemeTx->HasCreateCdcStreamNotice()) 
-        SchemeTxType = TSchemaOperation::ETypeCreateCdcStream; 
-    else if (SchemeTx->HasAlterCdcStreamNotice()) 
-        SchemeTxType = TSchemaOperation::ETypeAlterCdcStream; 
-    else if (SchemeTx->HasDropCdcStreamNotice()) 
-        SchemeTxType = TSchemaOperation::ETypeDropCdcStream; 
+    else if (SchemeTx->HasCreateCdcStreamNotice())
+        SchemeTxType = TSchemaOperation::ETypeCreateCdcStream;
+    else if (SchemeTx->HasAlterCdcStreamNotice())
+        SchemeTxType = TSchemaOperation::ETypeAlterCdcStream;
+    else if (SchemeTx->HasDropCdcStreamNotice())
+        SchemeTxType = TSchemaOperation::ETypeDropCdcStream;
     else
-        SchemeTxType = TSchemaOperation::ETypeUnknown; 
+        SchemeTxType = TSchemaOperation::ETypeUnknown;
 
-    return SchemeTxType != TSchemaOperation::ETypeUnknown; 
+    return SchemeTxType != TSchemaOperation::ETypeUnknown;
 }
 
 bool TActiveTransaction::BuildSnapshotTx()
@@ -505,20 +505,20 @@ bool TActiveTransaction::BuildSnapshotTx()
     return true;
 }
 
-bool TDistributedEraseTx::TryParse(const TString& serialized) { 
-    if (!Body.ParseFromArray(serialized.data(), serialized.size())) { 
-        return false; 
-    } 
- 
-    return true; 
-} 
- 
-bool TActiveTransaction::BuildDistributedEraseTx() { 
-    Y_VERIFY(TxBody); 
+bool TDistributedEraseTx::TryParse(const TString& serialized) {
+    if (!Body.ParseFromArray(serialized.data(), serialized.size())) {
+        return false;
+    }
+
+    return true;
+}
+
+bool TActiveTransaction::BuildDistributedEraseTx() {
+    Y_VERIFY(TxBody);
     DistributedEraseTx.Reset(new TDistributedEraseTx);
-    return DistributedEraseTx->TryParse(TxBody); 
-} 
- 
+    return DistributedEraseTx->TryParse(TxBody);
+}
+
 //
 
 bool TCommitWritesTx::TryParse(const TString& serialized) {
@@ -806,25 +806,25 @@ void TActiveTransaction::BuildExecutionPlan(bool loaded)
             plan.push_back(EExecutionUnitKind::CompleteOperation);
         }
         plan.push_back(EExecutionUnitKind::CompletedOperations);
-    } else if (IsDistributedEraseTx()) { 
-        if (!loaded) { 
-            plan.push_back(EExecutionUnitKind::CheckDistributedEraseTx); 
-            plan.push_back(EExecutionUnitKind::StoreDistributedEraseTx); 
-            plan.push_back(EExecutionUnitKind::FinishPropose); 
-        } 
-        if (!GetStep()) { 
-            plan.push_back(EExecutionUnitKind::WaitForPlan); 
-        } 
-        plan.push_back(EExecutionUnitKind::PlanQueue); 
-        plan.push_back(EExecutionUnitKind::LoadTxDetails); 
-        plan.push_back(EExecutionUnitKind::BuildAndWaitDependencies); 
-        plan.push_back(EExecutionUnitKind::BuildDistributedEraseTxOutRS); 
-        plan.push_back(EExecutionUnitKind::StoreAndSendOutRS); 
-        plan.push_back(EExecutionUnitKind::PrepareDistributedEraseTxInRS); 
-        plan.push_back(EExecutionUnitKind::LoadAndWaitInRS); 
-        plan.push_back(EExecutionUnitKind::ExecuteDistributedEraseTx); 
-        plan.push_back(EExecutionUnitKind::CompleteOperation); 
-        plan.push_back(EExecutionUnitKind::CompletedOperations); 
+    } else if (IsDistributedEraseTx()) {
+        if (!loaded) {
+            plan.push_back(EExecutionUnitKind::CheckDistributedEraseTx);
+            plan.push_back(EExecutionUnitKind::StoreDistributedEraseTx);
+            plan.push_back(EExecutionUnitKind::FinishPropose);
+        }
+        if (!GetStep()) {
+            plan.push_back(EExecutionUnitKind::WaitForPlan);
+        }
+        plan.push_back(EExecutionUnitKind::PlanQueue);
+        plan.push_back(EExecutionUnitKind::LoadTxDetails);
+        plan.push_back(EExecutionUnitKind::BuildAndWaitDependencies);
+        plan.push_back(EExecutionUnitKind::BuildDistributedEraseTxOutRS);
+        plan.push_back(EExecutionUnitKind::StoreAndSendOutRS);
+        plan.push_back(EExecutionUnitKind::PrepareDistributedEraseTxInRS);
+        plan.push_back(EExecutionUnitKind::LoadAndWaitInRS);
+        plan.push_back(EExecutionUnitKind::ExecuteDistributedEraseTx);
+        plan.push_back(EExecutionUnitKind::CompleteOperation);
+        plan.push_back(EExecutionUnitKind::CompletedOperations);
     } else if (IsCommitWritesTx()) {
         if (IsImmediate()) {
             Y_VERIFY(!loaded);
@@ -865,8 +865,8 @@ void TActiveTransaction::BuildExecutionPlan(bool loaded)
         plan.push_back(EExecutionUnitKind::StoreAndSendOutRS);
         plan.push_back(EExecutionUnitKind::PrepareSchemeTxInRS);
         plan.push_back(EExecutionUnitKind::LoadAndWaitInRS);
-        plan.push_back(EExecutionUnitKind::Backup); 
-        plan.push_back(EExecutionUnitKind::Restore); 
+        plan.push_back(EExecutionUnitKind::Backup);
+        plan.push_back(EExecutionUnitKind::Restore);
         plan.push_back(EExecutionUnitKind::CreateTable);
         plan.push_back(EExecutionUnitKind::ReceiveSnapshot);
         plan.push_back(EExecutionUnitKind::AlterMoveShadow);
@@ -878,9 +878,9 @@ void TActiveTransaction::BuildExecutionPlan(bool loaded)
         plan.push_back(EExecutionUnitKind::FinalizeBuildIndex);
         plan.push_back(EExecutionUnitKind::DropIndexNotice);
         plan.push_back(EExecutionUnitKind::MoveTable);
-        plan.push_back(EExecutionUnitKind::CreateCdcStream); 
-        plan.push_back(EExecutionUnitKind::AlterCdcStream); 
-        plan.push_back(EExecutionUnitKind::DropCdcStream); 
+        plan.push_back(EExecutionUnitKind::CreateCdcStream);
+        plan.push_back(EExecutionUnitKind::AlterCdcStream);
+        plan.push_back(EExecutionUnitKind::DropCdcStream);
         plan.push_back(EExecutionUnitKind::CompleteOperation);
         plan.push_back(EExecutionUnitKind::CompletedOperations);
     } else {
@@ -903,15 +903,15 @@ void TActiveTransaction::FillState(NKikimrTxDataShard::TEvGetOperationResponse &
     }
 }
 
-void TActiveTransaction::KillAsyncJobActor(const TActorContext& ctx) { 
-    if (!GetAsyncJobActor()) { 
-        return; 
-    } 
- 
-    ctx.Send(GetAsyncJobActor(), new TEvents::TEvPoison()); 
-    SetAsyncJobActor(TActorId()); 
-} 
- 
+void TActiveTransaction::KillAsyncJobActor(const TActorContext& ctx) {
+    if (!GetAsyncJobActor()) {
+        return;
+    }
+
+    ctx.Send(GetAsyncJobActor(), new TEvents::TEvPoison());
+    SetAsyncJobActor(TActorId());
+}
+
 void TActiveTransaction::TrackMemory() const {
     NActors::NMemory::TLabel<MemoryLabelActiveTransactionBody>::Add(TxBody.size());
 }
diff --git a/ydb/core/tx/datashard/datashard_active_transaction.h b/ydb/core/tx/datashard/datashard_active_transaction.h
index ffa9b0d277..43abd525e1 100644
--- a/ydb/core/tx/datashard/datashard_active_transaction.h
+++ b/ydb/core/tx/datashard/datashard_active_transaction.h
@@ -34,7 +34,7 @@ struct TScanState {
     NYql::TIssues Issues;
 };
 
-struct TSchemaOperation { 
+struct TSchemaOperation {
     enum EType : ui32 {
         ETypeDrop = 0,
         ETypeCreate = 1,
@@ -47,11 +47,11 @@ struct TSchemaOperation {
         ETypeInitiateBuildIndex = 8,
         ETypeFinalizeBuildIndex = 9,
         ETypeDropIndexNotice = 10,
-        ETypeRestore = 11, 
+        ETypeRestore = 11,
         ETypeMoveTable = 12,
-        ETypeCreateCdcStream = 13, 
-        ETypeAlterCdcStream = 14, 
-        ETypeDropCdcStream = 15, 
+        ETypeCreateCdcStream = 13,
+        ETypeAlterCdcStream = 14,
+        ETypeDropCdcStream = 15,
 
         ETypeUnknown = Max<ui32>()
     };
@@ -67,15 +67,15 @@ struct TSchemaOperation {
     bool Done;
 
     bool Success;
-    TString Error; 
-    ui64 BytesProcessed; 
-    ui64 RowsProcessed; 
+    TString Error;
+    ui64 BytesProcessed;
+    ui64 RowsProcessed;
 
     TScanState ScanState;
 
-    TSchemaOperation(ui64 txId, EType type, TActorId source, ui64 tabletId, 
-                    ui64 minStep, ui64 maxStep, ui64 planStep, bool readOnly, 
-                    bool success, const TString& error, ui64 bytes, ui64 rows) 
+    TSchemaOperation(ui64 txId, EType type, TActorId source, ui64 tabletId,
+                    ui64 minStep, ui64 maxStep, ui64 planStep, bool readOnly,
+                    bool success, const TString& error, ui64 bytes, ui64 rows)
         : TxId(txId)
         , Type(type)
         , Source(source)
@@ -85,17 +85,17 @@ struct TSchemaOperation {
         , PlanStep(planStep)
         , ReadOnly(readOnly)
         , Done(false)
-        , Success(success) 
-        , Error(error) 
-        , BytesProcessed(bytes) 
-        , RowsProcessed(rows) 
+        , Success(success)
+        , Error(error)
+        , BytesProcessed(bytes)
+        , RowsProcessed(rows)
     {}
 
     bool IsDrop() const { return Type == ETypeDrop; }
     bool IsCreate() const { return Type == ETypeCreate; }
     bool IsAlter() const { return Type == ETypeAlter; }
     bool IsBackup() const { return Type == ETypeBackup; }
-    bool IsRestore() const { return Type == ETypeRestore; } 
+    bool IsRestore() const { return Type == ETypeRestore; }
     bool IsCopy() const { return Type == ETypeCopy; }
     bool IsCreatePersistentSnapshot() const { return Type == ETypeCreatePersistentSnapshot; }
     bool IsDropPersistentSnapshot() const { return Type == ETypeDropPersistentSnapshot; }
@@ -103,9 +103,9 @@ struct TSchemaOperation {
     bool IsFinalizeBuildIndex() const { return Type == ETypeFinalizeBuildIndex; }
     bool IsDropIndexNotice() const { return Type == ETypeDropIndexNotice; }
     bool IsMove() const { return Type == ETypeMoveTable; }
-    bool IsCreateCdcStream() const { return Type == ETypeCreateCdcStream; } 
-    bool IsAlterCdcStream() const { return Type == ETypeAlterCdcStream; } 
-    bool IsDropCdcStream() const { return Type == ETypeDropCdcStream; } 
+    bool IsCreateCdcStream() const { return Type == ETypeCreateCdcStream; }
+    bool IsAlterCdcStream() const { return Type == ETypeAlterCdcStream; }
+    bool IsDropCdcStream() const { return Type == ETypeDropCdcStream; }
 
     bool IsReadOnly() const { return ReadOnly; }
 };
@@ -176,8 +176,8 @@ public:
     void SetWriteVersion(TRowVersion writeVersion) { EngineBay.SetWriteVersion(writeVersion); }
     void SetReadVersion(TRowVersion readVersion) { EngineBay.SetReadVersion(readVersion); }
 
-    TVector<NMiniKQL::IChangeCollector::TChange> GetCollectedChanges() const { return EngineBay.GetCollectedChanges(); } 
- 
+    TVector<NMiniKQL::IChangeCollector::TChange> GetCollectedChanges() const { return EngineBay.GetCollectedChanges(); }
+
     TActorId Source() const { return Source_; }
     void SetSource(const TActorId& actorId) { Source_ = actorId; }
     void SetStep(ui64 step) { StepTxId_.Step = step; }
@@ -256,37 +256,37 @@ enum class ERestoreDataStatus {
 };
 
 ///
-class TDistributedEraseTx { 
-public: 
-    using TPtr = THolder<TDistributedEraseTx>; 
-    using TProto = NKikimrTxDataShard::TDistributedEraseTransaction; 
- 
-public: 
-    bool TryParse(const TString& serialized); 
- 
-    const TProto& GetBody() const { return Body; } 
- 
-    bool HasDependents() const { return Body.DependentsSize(); } 
-    const auto& GetDependents() const { return Body.GetDependents(); } 
- 
-    bool HasDependencies() const { return Body.DependenciesSize(); } 
-    const auto& GetDependencies() const { return Body.GetDependencies(); } 
- 
-    const auto& GetRequest() const { return Body.GetEraseRowsRequest(); } 
- 
-    const auto& GetIndexColumnIds() const { return Body.GetIndexColumnIds(); } 
-    const auto& GetIndexColumns() const { return Body.GetIndexColumns(); } 
- 
-    void SetConfirmedRows(TDynBitMap&& confirmedRows) { ConfirmedRows = std::move(confirmedRows); } 
-    const TDynBitMap& GetConfirmedRows() const { return ConfirmedRows; } 
- 
-private: 
-    TProto Body; 
-    TDynBitMap ConfirmedRows; // available on shard of main table 
- 
-}; // TDistributedEraseTx 
- 
-/// 
+class TDistributedEraseTx {
+public:
+    using TPtr = THolder<TDistributedEraseTx>;
+    using TProto = NKikimrTxDataShard::TDistributedEraseTransaction;
+
+public:
+    bool TryParse(const TString& serialized);
+
+    const TProto& GetBody() const { return Body; }
+
+    bool HasDependents() const { return Body.DependentsSize(); }
+    const auto& GetDependents() const { return Body.GetDependents(); }
+
+    bool HasDependencies() const { return Body.DependenciesSize(); }
+    const auto& GetDependencies() const { return Body.GetDependencies(); }
+
+    const auto& GetRequest() const { return Body.GetEraseRowsRequest(); }
+
+    const auto& GetIndexColumnIds() const { return Body.GetIndexColumnIds(); }
+    const auto& GetIndexColumns() const { return Body.GetIndexColumns(); }
+
+    void SetConfirmedRows(TDynBitMap&& confirmedRows) { ConfirmedRows = std::move(confirmedRows); }
+    const TDynBitMap& GetConfirmedRows() const { return ConfirmedRows; }
+
+private:
+    TProto Body;
+    TDynBitMap ConfirmedRows; // available on shard of main table
+
+}; // TDistributedEraseTx
+
+///
 class TCommitWritesTx {
 public:
     using TPtr = THolder<TCommitWritesTx>;
@@ -318,7 +318,7 @@ public:
         , ReleasedTxDataSize(0)
         , SchemeShardId(0)
         , SubDomainPathId(0)
-        , SchemeTxType(TSchemaOperation::ETypeUnknown) 
+        , SchemeTxType(TSchemaOperation::ETypeUnknown)
         , ScanSnapshotId(0)
         , ScanTask(0)
     {
@@ -393,7 +393,7 @@ public:
     }
     bool BuildSchemeTx();
     void ClearSchemeTx() { SchemeTx = nullptr; }
-    TSchemaOperation::EType GetSchemeTxType() const { return SchemeTxType; } 
+    TSchemaOperation::EType GetSchemeTxType() const { return SchemeTxType; }
 
     const NKikimrTxDataShard::TSnapshotTransaction& GetSnapshotTx() const {
         Y_VERIFY_DEBUG(SnapshotTx);
@@ -402,13 +402,13 @@ public:
     bool BuildSnapshotTx();
     void ClearSnapshotTx() { SnapshotTx = nullptr; }
 
-    const TDistributedEraseTx::TPtr& GetDistributedEraseTx() const { 
-        Y_VERIFY_DEBUG(DistributedEraseTx); 
-        return DistributedEraseTx; 
-    } 
-    bool BuildDistributedEraseTx(); 
-    void ClearDistributedEraseTx() { DistributedEraseTx = nullptr; } 
- 
+    const TDistributedEraseTx::TPtr& GetDistributedEraseTx() const {
+        Y_VERIFY_DEBUG(DistributedEraseTx);
+        return DistributedEraseTx;
+    }
+    bool BuildDistributedEraseTx();
+    void ClearDistributedEraseTx() { DistributedEraseTx = nullptr; }
+
     const TCommitWritesTx::TPtr& GetCommitWritesTx() const {
         Y_VERIFY_DEBUG(CommitWritesTx);
         return CommitWritesTx;
@@ -519,10 +519,10 @@ public:
     void SetScanTask(ui64 id) { ScanTask = id; }
     ui64 GetScanTask() const { return ScanTask; }
 
-    void SetAsyncJobActor(TActorId aid) { AsyncJobActor = aid; } 
-    TActorId GetAsyncJobActor() const { return AsyncJobActor; } 
-    void KillAsyncJobActor(const TActorContext& ctx); 
- 
+    void SetAsyncJobActor(TActorId aid) { AsyncJobActor = aid; }
+    TActorId GetAsyncJobActor() const { return AsyncJobActor; }
+    void KillAsyncJobActor(const TActorContext& ctx);
+
     void SetStreamSink(TActorId sink) { StreamSink = sink; }
     TActorId GetStreamSink() const { return StreamSink; }
 
@@ -541,7 +541,7 @@ private:
     TValidatedDataTx::TPtr DataTx;
     THolder<NKikimrTxDataShard::TFlatSchemeTransaction> SchemeTx;
     THolder<NKikimrTxDataShard::TSnapshotTransaction> SnapshotTx;
-    TDistributedEraseTx::TPtr DistributedEraseTx; 
+    TDistributedEraseTx::TPtr DistributedEraseTx;
     TCommitWritesTx::TPtr CommitWritesTx;
     TString TxBody;
 
@@ -552,10 +552,10 @@ private:
     ui64 SchemeShardId;
     ui64 SubDomainPathId;
     NKikimrSubDomains::TProcessingParams ProcessingParams;
-    TSchemaOperation::EType SchemeTxType; 
+    TSchemaOperation::EType SchemeTxType;
     ui64 ScanSnapshotId;
     ui64 ScanTask;
-    TActorId AsyncJobActor; 
+    TActorId AsyncJobActor;
     TActorId StreamSink;
     TActorId ScanActor;
     ui64 PageFaultCount = 0;
diff --git a/ydb/core/tx/datashard/datashard_change_receiving.cpp b/ydb/core/tx/datashard/datashard_change_receiving.cpp
index 9a03c939ba..fcb74f4401 100644
--- a/ydb/core/tx/datashard/datashard_change_receiving.cpp
+++ b/ydb/core/tx/datashard/datashard_change_receiving.cpp
@@ -1,369 +1,369 @@
-#include "datashard_impl.h" 
- 
-namespace NKikimr { 
+#include "datashard_impl.h"
+
+namespace NKikimr {
 namespace NDataShard {
- 
-using namespace NTabletFlatExecutor; 
- 
+
+using namespace NTabletFlatExecutor;
+
 class TDataShard::TTxChangeExchangeHandshake: public TTransactionBase<TDataShard> {
     using Schema = TDataShard::Schema;
- 
-public: 
+
+public:
     explicit TTxChangeExchangeHandshake(TDataShard* self, TEvChangeExchange::TEvHandshake::TPtr ev)
-        : TTransactionBase(self) 
-        , Ev(std::move(ev)) 
-        , Status(new TEvChangeExchange::TEvStatus) 
-    { 
-    } 
- 
-    TTxType GetTxType() const override { 
-        return TXTYPE_CHANGE_EXCHANGE_HANDSHAKE; 
-    } 
- 
-    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override { 
-        if (Self->State != TShardState::Ready) { 
-            Status->Record.SetStatus(NKikimrChangeExchange::TEvStatus::STATUS_REJECT); 
-            Status->Record.SetReason(NKikimrChangeExchange::TEvStatus::REASON_WRONG_STATE); 
-            return true; 
-        } 
- 
-        const auto& msg = Ev->Get()->Record; 
- 
-        auto it = Self->InChangeSenders.find(msg.GetOrigin()); 
-        if (it == Self->InChangeSenders.end()) { 
-            NIceDb::TNiceDb db(txc.DB); 
- 
-            auto rowset = db.Table<Schema::ChangeSenders>().Key(msg.GetOrigin()).Select(); 
-            if (!rowset.IsReady()) { 
-                return false; 
-            } 
- 
-            if (rowset.IsValid()) { 
-                const auto generation = rowset.GetValue<Schema::ChangeSenders::Generation>(); 
-                const auto lastRecordOrder = rowset.GetValueOrDefault<Schema::ChangeSenders::LastRecordOrder>(0); 
-                it = Self->InChangeSenders.emplace(msg.GetOrigin(), TInChangeSender(generation, lastRecordOrder)).first; 
-            } else { 
-                it = Self->InChangeSenders.emplace(msg.GetOrigin(), TInChangeSender(msg.GetGeneration())).first; 
-            } 
-        } 
- 
-        if (it->second.Generation > msg.GetGeneration()) { 
-            Status->Record.SetStatus(NKikimrChangeExchange::TEvStatus::STATUS_REJECT); 
-            Status->Record.SetReason(NKikimrChangeExchange::TEvStatus::REASON_STALE_ORIGIN); 
-        } else { 
-            it->second.Generation = msg.GetGeneration(); 
-            Status->Record.SetStatus(NKikimrChangeExchange::TEvStatus::STATUS_OK); 
-            Status->Record.SetLastRecordOrder(it->second.LastRecordOrder); 
- 
-            NIceDb::TNiceDb db(txc.DB); 
-            db.Table<Schema::ChangeSenders>().Key(it->first).Update( 
-                NIceDb::TUpdate<Schema::ChangeSenders::Generation>(it->second.Generation), 
-                NIceDb::TUpdate<Schema::ChangeSenders::LastSeenAt>(ctx.Now().GetValue()) 
-            ); 
-        } 
- 
-        return true; 
-    } 
- 
-    void Complete(const TActorContext& ctx) override { 
-        Y_VERIFY(Status); 
-        ctx.Send(Ev->Sender, Status.Release()); 
-    } 
- 
-private: 
-    TEvChangeExchange::TEvHandshake::TPtr Ev; 
-    THolder<TEvChangeExchange::TEvStatus> Status; 
- 
-}; // TTxChangeExchangeHandshake 
- 
+        : TTransactionBase(self)
+        , Ev(std::move(ev))
+        , Status(new TEvChangeExchange::TEvStatus)
+    {
+    }
+
+    TTxType GetTxType() const override {
+        return TXTYPE_CHANGE_EXCHANGE_HANDSHAKE;
+    }
+
+    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override {
+        if (Self->State != TShardState::Ready) {
+            Status->Record.SetStatus(NKikimrChangeExchange::TEvStatus::STATUS_REJECT);
+            Status->Record.SetReason(NKikimrChangeExchange::TEvStatus::REASON_WRONG_STATE);
+            return true;
+        }
+
+        const auto& msg = Ev->Get()->Record;
+
+        auto it = Self->InChangeSenders.find(msg.GetOrigin());
+        if (it == Self->InChangeSenders.end()) {
+            NIceDb::TNiceDb db(txc.DB);
+
+            auto rowset = db.Table<Schema::ChangeSenders>().Key(msg.GetOrigin()).Select();
+            if (!rowset.IsReady()) {
+                return false;
+            }
+
+            if (rowset.IsValid()) {
+                const auto generation = rowset.GetValue<Schema::ChangeSenders::Generation>();
+                const auto lastRecordOrder = rowset.GetValueOrDefault<Schema::ChangeSenders::LastRecordOrder>(0);
+                it = Self->InChangeSenders.emplace(msg.GetOrigin(), TInChangeSender(generation, lastRecordOrder)).first;
+            } else {
+                it = Self->InChangeSenders.emplace(msg.GetOrigin(), TInChangeSender(msg.GetGeneration())).first;
+            }
+        }
+
+        if (it->second.Generation > msg.GetGeneration()) {
+            Status->Record.SetStatus(NKikimrChangeExchange::TEvStatus::STATUS_REJECT);
+            Status->Record.SetReason(NKikimrChangeExchange::TEvStatus::REASON_STALE_ORIGIN);
+        } else {
+            it->second.Generation = msg.GetGeneration();
+            Status->Record.SetStatus(NKikimrChangeExchange::TEvStatus::STATUS_OK);
+            Status->Record.SetLastRecordOrder(it->second.LastRecordOrder);
+
+            NIceDb::TNiceDb db(txc.DB);
+            db.Table<Schema::ChangeSenders>().Key(it->first).Update(
+                NIceDb::TUpdate<Schema::ChangeSenders::Generation>(it->second.Generation),
+                NIceDb::TUpdate<Schema::ChangeSenders::LastSeenAt>(ctx.Now().GetValue())
+            );
+        }
+
+        return true;
+    }
+
+    void Complete(const TActorContext& ctx) override {
+        Y_VERIFY(Status);
+        ctx.Send(Ev->Sender, Status.Release());
+    }
+
+private:
+    TEvChangeExchange::TEvHandshake::TPtr Ev;
+    THolder<TEvChangeExchange::TEvStatus> Status;
+
+}; // TTxChangeExchangeHandshake
+
 class TDataShard::TTxApplyChangeRecords: public TTransactionBase<TDataShard> {
     static NTable::ERowOp GetRowOperation(const NKikimrChangeExchange::TChangeRecord::TDataChange& record) {
-        switch (record.GetRowOperationCase()) { 
-            case NKikimrChangeExchange::TChangeRecord::TDataChange::kUpsert: 
+        switch (record.GetRowOperationCase()) {
+            case NKikimrChangeExchange::TChangeRecord::TDataChange::kUpsert:
                 return NTable::ERowOp::Upsert;
-            case NKikimrChangeExchange::TChangeRecord::TDataChange::kErase: 
+            case NKikimrChangeExchange::TChangeRecord::TDataChange::kErase:
                 return NTable::ERowOp::Erase;
-            case NKikimrChangeExchange::TChangeRecord::TDataChange::kReset: 
+            case NKikimrChangeExchange::TChangeRecord::TDataChange::kReset:
                 return NTable::ERowOp::Reset;
-            default: 
+            default:
                 return NTable::ERowOp::Absent;
-        } 
-    } 
- 
-    static auto& GetValue(const NKikimrChangeExchange::TChangeRecord::TDataChange& record) { 
-        switch (record.GetRowOperationCase()) { 
-            case NKikimrChangeExchange::TChangeRecord::TDataChange::kUpsert: 
-                return record.GetUpsert(); 
-            case NKikimrChangeExchange::TChangeRecord::TDataChange::kReset: 
-                return record.GetReset(); 
-            default: 
-                Y_FAIL_S("Unexpected row operation: " << static_cast<ui32>(record.GetRowOperationCase())); 
-        } 
-    } 
- 
-    void AddRecordStatus(const TActorContext& ctx, ui64 order, NKikimrChangeExchange::TEvStatus::EStatus status, 
-            NKikimrChangeExchange::TEvStatus::EReason reason = NKikimrChangeExchange::TEvStatus::REASON_NONE, 
-            const TString& error = {}) 
-    { 
-        auto& recordStatus = *Status->Record.AddRecordStatuses(); 
-        recordStatus.SetOrder(order); 
-        recordStatus.SetStatus(status); 
-        recordStatus.SetReason(reason); 
- 
-        if (error) { 
-            LOG_CRIT_S(ctx, NKikimrServices::TX_DATASHARD, "Cannot apply change record" 
-                << ": error# " << error 
-                << ", at tablet# " << Self->TabletID()); 
-        } 
- 
-        if (status == NKikimrChangeExchange::TEvStatus::STATUS_REJECT) { 
-            Status->Record.SetStatus(status); 
-        } 
- 
-        if (Status->Record.GetStatus() != NKikimrChangeExchange::TEvStatus::STATUS_REJECT) { 
-            Status->Record.SetStatus(NKikimrChangeExchange::TEvStatus::STATUS_OK); 
-            Status->Record.SetLastRecordOrder(order); 
-        } 
-    } 
- 
-    bool ProcessRecord(const NKikimrChangeExchange::TChangeRecord& record, TTransactionContext& txc, const TActorContext& ctx) { 
-        Key.clear(); 
-        Value.clear(); 
- 
-        if (record.GetKindCase() != NKikimrChangeExchange::TChangeRecord::kAsyncIndex) { 
-            AddRecordStatus(ctx, record.GetOrder(), NKikimrChangeExchange::TEvStatus::STATUS_REJECT, 
-                NKikimrChangeExchange::TEvStatus::REASON_UNEXPECTED_KIND, 
-                TStringBuilder() << "Unexpected kind: " << static_cast<ui32>(record.GetKindCase())); 
-            return false; 
-        } 
- 
-        const auto& userTables = Self->GetUserTables(); 
-        auto it = userTables.find(record.GetLocalPathId()); 
-        if (it == userTables.end()) { 
-            AddRecordStatus(ctx, record.GetOrder(), NKikimrChangeExchange::TEvStatus::STATUS_REJECT, 
-                NKikimrChangeExchange::TEvStatus::REASON_SCHEME_ERROR, 
-                TStringBuilder() << "Unknown table with id: " << record.GetLocalPathId()); 
-            return false; 
-        } 
- 
-        const auto& tableInfo = *it->second; 
-        const auto& asyncIndex = record.GetAsyncIndex(); 
-        const auto& serializedKey = asyncIndex.GetKey(); 
- 
-        if (serializedKey.TagsSize() != tableInfo.KeyColumnIds.size()) { 
-            AddRecordStatus(ctx, record.GetOrder(), NKikimrChangeExchange::TEvStatus::STATUS_REJECT, 
-                NKikimrChangeExchange::TEvStatus::REASON_SCHEME_ERROR, 
-                TStringBuilder() << "Key column count mismatch" 
-                    << ": got " << serializedKey.TagsSize() 
-                    << ", expected " << tableInfo.KeyColumnIds.size()); 
-            return false; 
-        } 
- 
-        for (size_t i = 0; i < tableInfo.KeyColumnIds.size(); ++i) { 
-            if (serializedKey.GetTags(i) != tableInfo.KeyColumnIds.at(i)) { 
-                AddRecordStatus(ctx, record.GetOrder(), NKikimrChangeExchange::TEvStatus::STATUS_REJECT, 
-                    NKikimrChangeExchange::TEvStatus::REASON_SCHEME_ERROR, 
-                    TStringBuilder() << "Key column schema mismatch at position: " << i); 
-                return false; 
-            } 
-        } 
- 
-        if (!TSerializedCellVec::TryParse(serializedKey.GetData(), KeyCells)) { 
-            AddRecordStatus(ctx, record.GetOrder(), NKikimrChangeExchange::TEvStatus::STATUS_REJECT, 
-                NKikimrChangeExchange::TEvStatus::REASON_SCHEME_ERROR, "Cannot parse key"); 
-            return false; 
-        } 
- 
-        if (KeyCells.GetCells().size() != tableInfo.KeyColumnTypes.size()) { 
-            AddRecordStatus(ctx, record.GetOrder(), NKikimrChangeExchange::TEvStatus::STATUS_REJECT, 
-                NKikimrChangeExchange::TEvStatus::REASON_SCHEME_ERROR, 
-                TStringBuilder() << "Cell count doesn't match row scheme" 
-                    << ": got " << KeyCells.GetCells().size() 
-                    << ", expected " << tableInfo.KeyColumnTypes.size()); 
-            return false; 
-        } 
- 
-        ui64 keyBytes = 0; 
-        for (size_t i = 0; i < tableInfo.KeyColumnTypes.size(); ++i) { 
-            const auto type = tableInfo.KeyColumnTypes.at(i); 
-            const auto& cell = KeyCells.GetCells().at(i); 
- 
-            if (type == NScheme::NTypeIds::Uint8 && !cell.IsNull() && cell.AsValue<ui8>() > 127) { 
-                AddRecordStatus(ctx, record.GetOrder(), NKikimrChangeExchange::TEvStatus::STATUS_REJECT, 
-                    NKikimrChangeExchange::TEvStatus::REASON_SCHEME_ERROR, 
-                    "Keys with Uint8 column values >127 are currently prohibited"); 
-                return false; 
-            } 
- 
-            keyBytes += cell.Size(); 
-            Key.emplace_back(cell.AsRef(), type); 
-        } 
- 
-        if (keyBytes > NLimits::MaxWriteKeySize) { 
-            AddRecordStatus(ctx, record.GetOrder(), NKikimrChangeExchange::TEvStatus::STATUS_REJECT, 
-                NKikimrChangeExchange::TEvStatus::REASON_SCHEME_ERROR, 
-                TStringBuilder() << "Key is too big" 
-                    << ": actual " << keyBytes << " bytes" 
-                    << ", limit " << NLimits::MaxWriteKeySize << " bytes"); 
-            return false; 
-        } 
- 
+        }
+    }
+
+    static auto& GetValue(const NKikimrChangeExchange::TChangeRecord::TDataChange& record) {
+        switch (record.GetRowOperationCase()) {
+            case NKikimrChangeExchange::TChangeRecord::TDataChange::kUpsert:
+                return record.GetUpsert();
+            case NKikimrChangeExchange::TChangeRecord::TDataChange::kReset:
+                return record.GetReset();
+            default:
+                Y_FAIL_S("Unexpected row operation: " << static_cast<ui32>(record.GetRowOperationCase()));
+        }
+    }
+
+    void AddRecordStatus(const TActorContext& ctx, ui64 order, NKikimrChangeExchange::TEvStatus::EStatus status,
+            NKikimrChangeExchange::TEvStatus::EReason reason = NKikimrChangeExchange::TEvStatus::REASON_NONE,
+            const TString& error = {})
+    {
+        auto& recordStatus = *Status->Record.AddRecordStatuses();
+        recordStatus.SetOrder(order);
+        recordStatus.SetStatus(status);
+        recordStatus.SetReason(reason);
+
+        if (error) {
+            LOG_CRIT_S(ctx, NKikimrServices::TX_DATASHARD, "Cannot apply change record"
+                << ": error# " << error
+                << ", at tablet# " << Self->TabletID());
+        }
+
+        if (status == NKikimrChangeExchange::TEvStatus::STATUS_REJECT) {
+            Status->Record.SetStatus(status);
+        }
+
+        if (Status->Record.GetStatus() != NKikimrChangeExchange::TEvStatus::STATUS_REJECT) {
+            Status->Record.SetStatus(NKikimrChangeExchange::TEvStatus::STATUS_OK);
+            Status->Record.SetLastRecordOrder(order);
+        }
+    }
+
+    bool ProcessRecord(const NKikimrChangeExchange::TChangeRecord& record, TTransactionContext& txc, const TActorContext& ctx) {
+        Key.clear();
+        Value.clear();
+
+        if (record.GetKindCase() != NKikimrChangeExchange::TChangeRecord::kAsyncIndex) {
+            AddRecordStatus(ctx, record.GetOrder(), NKikimrChangeExchange::TEvStatus::STATUS_REJECT,
+                NKikimrChangeExchange::TEvStatus::REASON_UNEXPECTED_KIND,
+                TStringBuilder() << "Unexpected kind: " << static_cast<ui32>(record.GetKindCase()));
+            return false;
+        }
+
+        const auto& userTables = Self->GetUserTables();
+        auto it = userTables.find(record.GetLocalPathId());
+        if (it == userTables.end()) {
+            AddRecordStatus(ctx, record.GetOrder(), NKikimrChangeExchange::TEvStatus::STATUS_REJECT,
+                NKikimrChangeExchange::TEvStatus::REASON_SCHEME_ERROR,
+                TStringBuilder() << "Unknown table with id: " << record.GetLocalPathId());
+            return false;
+        }
+
+        const auto& tableInfo = *it->second;
+        const auto& asyncIndex = record.GetAsyncIndex();
+        const auto& serializedKey = asyncIndex.GetKey();
+
+        if (serializedKey.TagsSize() != tableInfo.KeyColumnIds.size()) {
+            AddRecordStatus(ctx, record.GetOrder(), NKikimrChangeExchange::TEvStatus::STATUS_REJECT,
+                NKikimrChangeExchange::TEvStatus::REASON_SCHEME_ERROR,
+                TStringBuilder() << "Key column count mismatch"
+                    << ": got " << serializedKey.TagsSize()
+                    << ", expected " << tableInfo.KeyColumnIds.size());
+            return false;
+        }
+
+        for (size_t i = 0; i < tableInfo.KeyColumnIds.size(); ++i) {
+            if (serializedKey.GetTags(i) != tableInfo.KeyColumnIds.at(i)) {
+                AddRecordStatus(ctx, record.GetOrder(), NKikimrChangeExchange::TEvStatus::STATUS_REJECT,
+                    NKikimrChangeExchange::TEvStatus::REASON_SCHEME_ERROR,
+                    TStringBuilder() << "Key column schema mismatch at position: " << i);
+                return false;
+            }
+        }
+
+        if (!TSerializedCellVec::TryParse(serializedKey.GetData(), KeyCells)) {
+            AddRecordStatus(ctx, record.GetOrder(), NKikimrChangeExchange::TEvStatus::STATUS_REJECT,
+                NKikimrChangeExchange::TEvStatus::REASON_SCHEME_ERROR, "Cannot parse key");
+            return false;
+        }
+
+        if (KeyCells.GetCells().size() != tableInfo.KeyColumnTypes.size()) {
+            AddRecordStatus(ctx, record.GetOrder(), NKikimrChangeExchange::TEvStatus::STATUS_REJECT,
+                NKikimrChangeExchange::TEvStatus::REASON_SCHEME_ERROR,
+                TStringBuilder() << "Cell count doesn't match row scheme"
+                    << ": got " << KeyCells.GetCells().size()
+                    << ", expected " << tableInfo.KeyColumnTypes.size());
+            return false;
+        }
+
+        ui64 keyBytes = 0;
+        for (size_t i = 0; i < tableInfo.KeyColumnTypes.size(); ++i) {
+            const auto type = tableInfo.KeyColumnTypes.at(i);
+            const auto& cell = KeyCells.GetCells().at(i);
+
+            if (type == NScheme::NTypeIds::Uint8 && !cell.IsNull() && cell.AsValue<ui8>() > 127) {
+                AddRecordStatus(ctx, record.GetOrder(), NKikimrChangeExchange::TEvStatus::STATUS_REJECT,
+                    NKikimrChangeExchange::TEvStatus::REASON_SCHEME_ERROR,
+                    "Keys with Uint8 column values >127 are currently prohibited");
+                return false;
+            }
+
+            keyBytes += cell.Size();
+            Key.emplace_back(cell.AsRef(), type);
+        }
+
+        if (keyBytes > NLimits::MaxWriteKeySize) {
+            AddRecordStatus(ctx, record.GetOrder(), NKikimrChangeExchange::TEvStatus::STATUS_REJECT,
+                NKikimrChangeExchange::TEvStatus::REASON_SCHEME_ERROR,
+                TStringBuilder() << "Key is too big"
+                    << ": actual " << keyBytes << " bytes"
+                    << ", limit " << NLimits::MaxWriteKeySize << " bytes");
+            return false;
+        }
+
         const NTable::ERowOp rop = GetRowOperation(asyncIndex);
-        switch (rop) { 
+        switch (rop) {
             case NTable::ERowOp::Upsert:
             case NTable::ERowOp::Reset: {
-                const auto& serializedValue = GetValue(asyncIndex); 
- 
-                if (!TSerializedCellVec::TryParse(serializedValue.GetData(), ValueCells)) { 
-                    AddRecordStatus(ctx, record.GetOrder(), NKikimrChangeExchange::TEvStatus::STATUS_REJECT, 
-                        NKikimrChangeExchange::TEvStatus::REASON_SCHEME_ERROR, "Cannot parse value"); 
-                    return false; 
-                } 
- 
-                if (serializedValue.TagsSize() != ValueCells.GetCells().size()) { 
-                    AddRecordStatus(ctx, record.GetOrder(), NKikimrChangeExchange::TEvStatus::STATUS_REJECT, 
-                        NKikimrChangeExchange::TEvStatus::REASON_SCHEME_ERROR, 
-                        TStringBuilder() << "Cell count doesn't match row scheme" 
-                            << ": got " << ValueCells.GetCells().size() 
-                            << ", expected " << serializedValue.TagsSize()); 
-                    return false; 
-                } 
- 
-                for (size_t i = 0; i < ValueCells.GetCells().size(); ++i) { 
-                    const auto tag = serializedValue.GetTags(i); 
- 
-                    const auto* column = tableInfo.Columns.FindPtr(tag); 
-                    if (!column) { 
-                        AddRecordStatus(ctx, record.GetOrder(), NKikimrChangeExchange::TEvStatus::STATUS_REJECT, 
-                            NKikimrChangeExchange::TEvStatus::REASON_SCHEME_ERROR, 
-                            TStringBuilder() << "Missing column with id: " << tag); 
-                        return false; 
-                    } 
- 
-                    const auto& cell = ValueCells.GetCells().at(i); 
-                    if (cell.Size() > NLimits::MaxWriteValueSize) { 
-                        AddRecordStatus(ctx, record.GetOrder(), NKikimrChangeExchange::TEvStatus::STATUS_REJECT, 
-                            NKikimrChangeExchange::TEvStatus::REASON_SCHEME_ERROR, 
-                            TStringBuilder() << "Value cell is too big" 
-                                << ": actual " << cell.Size() << " bytes" 
-                                << ", limit " << NLimits::MaxWriteValueSize << " bytes"); 
-                        return false; 
-                    } 
- 
+                const auto& serializedValue = GetValue(asyncIndex);
+
+                if (!TSerializedCellVec::TryParse(serializedValue.GetData(), ValueCells)) {
+                    AddRecordStatus(ctx, record.GetOrder(), NKikimrChangeExchange::TEvStatus::STATUS_REJECT,
+                        NKikimrChangeExchange::TEvStatus::REASON_SCHEME_ERROR, "Cannot parse value");
+                    return false;
+                }
+
+                if (serializedValue.TagsSize() != ValueCells.GetCells().size()) {
+                    AddRecordStatus(ctx, record.GetOrder(), NKikimrChangeExchange::TEvStatus::STATUS_REJECT,
+                        NKikimrChangeExchange::TEvStatus::REASON_SCHEME_ERROR,
+                        TStringBuilder() << "Cell count doesn't match row scheme"
+                            << ": got " << ValueCells.GetCells().size()
+                            << ", expected " << serializedValue.TagsSize());
+                    return false;
+                }
+
+                for (size_t i = 0; i < ValueCells.GetCells().size(); ++i) {
+                    const auto tag = serializedValue.GetTags(i);
+
+                    const auto* column = tableInfo.Columns.FindPtr(tag);
+                    if (!column) {
+                        AddRecordStatus(ctx, record.GetOrder(), NKikimrChangeExchange::TEvStatus::STATUS_REJECT,
+                            NKikimrChangeExchange::TEvStatus::REASON_SCHEME_ERROR,
+                            TStringBuilder() << "Missing column with id: " << tag);
+                        return false;
+                    }
+
+                    const auto& cell = ValueCells.GetCells().at(i);
+                    if (cell.Size() > NLimits::MaxWriteValueSize) {
+                        AddRecordStatus(ctx, record.GetOrder(), NKikimrChangeExchange::TEvStatus::STATUS_REJECT,
+                            NKikimrChangeExchange::TEvStatus::REASON_SCHEME_ERROR,
+                            TStringBuilder() << "Value cell is too big"
+                                << ": actual " << cell.Size() << " bytes"
+                                << ", limit " << NLimits::MaxWriteValueSize << " bytes");
+                        return false;
+                    }
+
                     Value.emplace_back(tag, NTable::ECellOp::Set, TRawTypeValue(cell.AsRef(), column->Type));
-                } 
- 
-                break; 
-            } 
- 
+                }
+
+                break;
+            }
+
             case NTable::ERowOp::Erase:
-                break; 
- 
+                break;
+
             case NTable::ERowOp::Absent:
-                AddRecordStatus(ctx, record.GetOrder(), NKikimrChangeExchange::TEvStatus::STATUS_REJECT, 
-                    NKikimrChangeExchange::TEvStatus::REASON_UNEXPECTED_ROW_OPERATION, "Row operation is absent"); 
-                return false; 
-        } 
- 
-        txc.DB.Update(tableInfo.LocalTid, rop, Key, Value, TRowVersion(record.GetStep(), record.GetTxId())); 
-        AddRecordStatus(ctx, record.GetOrder(), NKikimrChangeExchange::TEvStatus::STATUS_OK); 
- 
-        return true; 
-    } 
- 
-public: 
+                AddRecordStatus(ctx, record.GetOrder(), NKikimrChangeExchange::TEvStatus::STATUS_REJECT,
+                    NKikimrChangeExchange::TEvStatus::REASON_UNEXPECTED_ROW_OPERATION, "Row operation is absent");
+                return false;
+        }
+
+        txc.DB.Update(tableInfo.LocalTid, rop, Key, Value, TRowVersion(record.GetStep(), record.GetTxId()));
+        AddRecordStatus(ctx, record.GetOrder(), NKikimrChangeExchange::TEvStatus::STATUS_OK);
+
+        return true;
+    }
+
+public:
     explicit TTxApplyChangeRecords(TDataShard* self, TEvChangeExchange::TEvApplyRecords::TPtr ev)
-        : TTransactionBase(self) 
-        , Ev(std::move(ev)) 
-        , Status(new TEvChangeExchange::TEvStatus) 
-    { 
-    } 
- 
-    TTxType GetTxType() const override { 
-        return TXTYPE_APPLY_CHANGE_RECORDS; 
-    } 
- 
-    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override { 
-        if (Self->State != TShardState::Ready) { 
-            Status->Record.SetStatus(NKikimrChangeExchange::TEvStatus::STATUS_REJECT); 
-            Status->Record.SetReason(NKikimrChangeExchange::TEvStatus::REASON_WRONG_STATE); 
-            return true; 
-        } 
- 
-        const auto& msg = Ev->Get()->Record; 
- 
-        auto it = Self->InChangeSenders.find(msg.GetOrigin()); 
-        if (it == Self->InChangeSenders.end()) { 
-            Status->Record.SetStatus(NKikimrChangeExchange::TEvStatus::STATUS_REJECT); 
-            Status->Record.SetReason(NKikimrChangeExchange::TEvStatus::REASON_UNKNOWN_ORIGIN); 
-            return true; 
-        } else if (it->second.Generation > msg.GetGeneration()) { 
-            Status->Record.SetStatus(NKikimrChangeExchange::TEvStatus::STATUS_REJECT); 
-            Status->Record.SetReason(NKikimrChangeExchange::TEvStatus::REASON_STALE_ORIGIN); 
-            return true; 
-        } else if (it->second.Generation != msg.GetGeneration()) { 
-            Status->Record.SetStatus(NKikimrChangeExchange::TEvStatus::STATUS_REJECT); 
-            Status->Record.SetReason(NKikimrChangeExchange::TEvStatus::REASON_UNKNOWN_ORIGIN); 
-            return true; 
-        } 
- 
-        auto completeEdge = TRowVersion::Min(); 
-        for (const auto& record : msg.GetRecords()) { 
-            if (ProcessRecord(record, txc, ctx)) { 
-                completeEdge = Max(completeEdge, TRowVersion(record.GetStep(), record.GetTxId())); 
-            } else { 
-                break; 
-            } 
-        } 
- 
-        NIceDb::TNiceDb db(txc.DB); 
-        db.Table<Schema::ChangeSenders>().Key(it->first).Update( 
-            NIceDb::TUpdate<Schema::ChangeSenders::Generation>(it->second.Generation), 
-            NIceDb::TUpdate<Schema::ChangeSenders::LastSeenAt>(ctx.Now().GetValue()) 
-        ); 
- 
-        if (Status->Record.HasLastRecordOrder()) { 
-            it->second.LastRecordOrder = Status->Record.GetLastRecordOrder(); 
-            db.Table<Schema::ChangeSenders>().Key(it->first).Update( 
-                NIceDb::TUpdate<Schema::ChangeSenders::LastRecordOrder>(it->second.LastRecordOrder) 
-            ); 
-        } 
- 
-        if (completeEdge) { 
-            Self->PromoteCompleteEdge(completeEdge, txc); 
-        } 
- 
-        return true; 
-    } 
- 
-    void Complete(const TActorContext& ctx) override { 
-        Y_VERIFY(Status); 
-        ctx.Send(Ev->Sender, Status.Release()); 
-    } 
- 
-private: 
-    TEvChangeExchange::TEvApplyRecords::TPtr Ev; 
-    THolder<TEvChangeExchange::TEvStatus> Status; 
- 
-    TSerializedCellVec KeyCells; 
-    TSerializedCellVec ValueCells; 
- 
-    TVector<TRawTypeValue> Key; 
-    TVector<NTable::TUpdateOp> Value; 
- 
-}; // TTxApplyChangeRecords 
- 
+        : TTransactionBase(self)
+        , Ev(std::move(ev))
+        , Status(new TEvChangeExchange::TEvStatus)
+    {
+    }
+
+    TTxType GetTxType() const override {
+        return TXTYPE_APPLY_CHANGE_RECORDS;
+    }
+
+    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override {
+        if (Self->State != TShardState::Ready) {
+            Status->Record.SetStatus(NKikimrChangeExchange::TEvStatus::STATUS_REJECT);
+            Status->Record.SetReason(NKikimrChangeExchange::TEvStatus::REASON_WRONG_STATE);
+            return true;
+        }
+
+        const auto& msg = Ev->Get()->Record;
+
+        auto it = Self->InChangeSenders.find(msg.GetOrigin());
+        if (it == Self->InChangeSenders.end()) {
+            Status->Record.SetStatus(NKikimrChangeExchange::TEvStatus::STATUS_REJECT);
+            Status->Record.SetReason(NKikimrChangeExchange::TEvStatus::REASON_UNKNOWN_ORIGIN);
+            return true;
+        } else if (it->second.Generation > msg.GetGeneration()) {
+            Status->Record.SetStatus(NKikimrChangeExchange::TEvStatus::STATUS_REJECT);
+            Status->Record.SetReason(NKikimrChangeExchange::TEvStatus::REASON_STALE_ORIGIN);
+            return true;
+        } else if (it->second.Generation != msg.GetGeneration()) {
+            Status->Record.SetStatus(NKikimrChangeExchange::TEvStatus::STATUS_REJECT);
+            Status->Record.SetReason(NKikimrChangeExchange::TEvStatus::REASON_UNKNOWN_ORIGIN);
+            return true;
+        }
+
+        auto completeEdge = TRowVersion::Min();
+        for (const auto& record : msg.GetRecords()) {
+            if (ProcessRecord(record, txc, ctx)) {
+                completeEdge = Max(completeEdge, TRowVersion(record.GetStep(), record.GetTxId()));
+            } else {
+                break;
+            }
+        }
+
+        NIceDb::TNiceDb db(txc.DB);
+        db.Table<Schema::ChangeSenders>().Key(it->first).Update(
+            NIceDb::TUpdate<Schema::ChangeSenders::Generation>(it->second.Generation),
+            NIceDb::TUpdate<Schema::ChangeSenders::LastSeenAt>(ctx.Now().GetValue())
+        );
+
+        if (Status->Record.HasLastRecordOrder()) {
+            it->second.LastRecordOrder = Status->Record.GetLastRecordOrder();
+            db.Table<Schema::ChangeSenders>().Key(it->first).Update(
+                NIceDb::TUpdate<Schema::ChangeSenders::LastRecordOrder>(it->second.LastRecordOrder)
+            );
+        }
+
+        if (completeEdge) {
+            Self->PromoteCompleteEdge(completeEdge, txc);
+        }
+
+        return true;
+    }
+
+    void Complete(const TActorContext& ctx) override {
+        Y_VERIFY(Status);
+        ctx.Send(Ev->Sender, Status.Release());
+    }
+
+private:
+    TEvChangeExchange::TEvApplyRecords::TPtr Ev;
+    THolder<TEvChangeExchange::TEvStatus> Status;
+
+    TSerializedCellVec KeyCells;
+    TSerializedCellVec ValueCells;
+
+    TVector<TRawTypeValue> Key;
+    TVector<NTable::TUpdateOp> Value;
+
+}; // TTxApplyChangeRecords
+
 void TDataShard::Handle(TEvChangeExchange::TEvHandshake::TPtr& ev, const TActorContext& ctx) {
-    Execute(new TTxChangeExchangeHandshake(this, ev), ctx); 
-} 
- 
+    Execute(new TTxChangeExchangeHandshake(this, ev), ctx);
+}
+
 void TDataShard::Handle(TEvChangeExchange::TEvApplyRecords::TPtr& ev, const TActorContext& ctx) {
     LOG_DEBUG_S(ctx, NKikimrServices::TX_DATASHARD, "Handle TEvChangeExchange::TEvApplyRecords"
         << ": origin# " << ev->Get()->Record.GetOrigin()
         << ", generation# " << ev->Get()->Record.GetGeneration()
         << ", at tablet# " << TabletID());
-    Execute(new TTxApplyChangeRecords(this, ev), ctx); 
-} 
- 
+    Execute(new TTxApplyChangeRecords(this, ev), ctx);
+}
+
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/datashard_change_sender_activation.cpp b/ydb/core/tx/datashard/datashard_change_sender_activation.cpp
index 59a2635788..2635668bec 100644
--- a/ydb/core/tx/datashard/datashard_change_sender_activation.cpp
+++ b/ydb/core/tx/datashard/datashard_change_sender_activation.cpp
@@ -1,130 +1,130 @@
-#include "datashard_impl.h" 
- 
-namespace NKikimr { 
+#include "datashard_impl.h"
+
+namespace NKikimr {
 namespace NDataShard {
- 
-using namespace NTabletFlatExecutor; 
- 
+
+using namespace NTabletFlatExecutor;
+
 class TDataShard::TTxActivateChangeSender: public TTransactionBase<TDataShard> {
-public: 
+public:
     explicit TTxActivateChangeSender(TDataShard* self, ui64 origin, const TActorId& ackTo)
-        : TTransactionBase(self) 
-        , Origin(origin) 
-        , AckTo(ackTo) 
-        , AllSrcActivationsReceived(false) 
-    { 
-    } 
- 
-    TTxType GetTxType() const override { 
-        return TXTYPE_ACTIVATE_CHANGE_SENDER; 
-    } 
- 
-    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override { 
-        LOG_INFO_S(ctx, NKikimrServices::TX_DATASHARD, "TTxActivateChangeSender Execute" 
-            << ": origin# " << Origin 
-            << ", at tablet# " << Self->TabletID()); 
- 
-        if (!Self->ReceiveActivationsFrom.contains(Origin)) { 
-            LOG_DEBUG_S(ctx, NKikimrServices::TX_DATASHARD, "Ignoring received activation" 
-                << ": origin# " << Origin 
-                << ", at tablet# " << Self->TabletID()); 
-            return true; 
-        } 
- 
-        Self->ReceiveActivationsFrom.erase(Origin); 
-        AllSrcActivationsReceived = !Self->ReceiveActivationsFrom; 
- 
-        NIceDb::TNiceDb db(txc.DB); 
-        db.Table<Schema::DstChangeSenderActivations>().Key(Origin).Delete(); 
- 
-        return true; 
-    } 
- 
-    void Complete(const TActorContext& ctx) override { 
-        LOG_INFO_S(ctx, NKikimrServices::TX_DATASHARD, "TTxActivateChangeSender Complete" 
-            << ": origin# " << Origin 
-            << ", at tablet# " << Self->TabletID()); 
- 
-        auto ev = MakeHolder<TEvChangeExchange::TEvActivateSenderAck>(); 
-        ev->Record.SetOrigin(Self->TabletID()); 
-        ctx.Send(AckTo, ev.Release()); 
- 
-        if (AllSrcActivationsReceived) { 
-            if (!Self->GetChangeSender()) { 
-                // There might be a race between TxInit::Complete and <this>::Complete 
-                // so just skip it. Change sender will be activated upon TxInit::Complete. 
-                return; 
-            } 
- 
-            Self->MaybeActivateChangeSender(ctx); 
-        } 
-    } 
- 
-private: 
-    const ui64 Origin; 
-    const TActorId AckTo; 
-    bool AllSrcActivationsReceived; 
- 
-}; // TTxActivateChangeSender 
- 
+        : TTransactionBase(self)
+        , Origin(origin)
+        , AckTo(ackTo)
+        , AllSrcActivationsReceived(false)
+    {
+    }
+
+    TTxType GetTxType() const override {
+        return TXTYPE_ACTIVATE_CHANGE_SENDER;
+    }
+
+    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override {
+        LOG_INFO_S(ctx, NKikimrServices::TX_DATASHARD, "TTxActivateChangeSender Execute"
+            << ": origin# " << Origin
+            << ", at tablet# " << Self->TabletID());
+
+        if (!Self->ReceiveActivationsFrom.contains(Origin)) {
+            LOG_DEBUG_S(ctx, NKikimrServices::TX_DATASHARD, "Ignoring received activation"
+                << ": origin# " << Origin
+                << ", at tablet# " << Self->TabletID());
+            return true;
+        }
+
+        Self->ReceiveActivationsFrom.erase(Origin);
+        AllSrcActivationsReceived = !Self->ReceiveActivationsFrom;
+
+        NIceDb::TNiceDb db(txc.DB);
+        db.Table<Schema::DstChangeSenderActivations>().Key(Origin).Delete();
+
+        return true;
+    }
+
+    void Complete(const TActorContext& ctx) override {
+        LOG_INFO_S(ctx, NKikimrServices::TX_DATASHARD, "TTxActivateChangeSender Complete"
+            << ": origin# " << Origin
+            << ", at tablet# " << Self->TabletID());
+
+        auto ev = MakeHolder<TEvChangeExchange::TEvActivateSenderAck>();
+        ev->Record.SetOrigin(Self->TabletID());
+        ctx.Send(AckTo, ev.Release());
+
+        if (AllSrcActivationsReceived) {
+            if (!Self->GetChangeSender()) {
+                // There might be a race between TxInit::Complete and <this>::Complete
+                // so just skip it. Change sender will be activated upon TxInit::Complete.
+                return;
+            }
+
+            Self->MaybeActivateChangeSender(ctx);
+        }
+    }
+
+private:
+    const ui64 Origin;
+    const TActorId AckTo;
+    bool AllSrcActivationsReceived;
+
+}; // TTxActivateChangeSender
+
 class TDataShard::TTxActivateChangeSenderAck: public TTransactionBase<TDataShard> {
-public: 
+public:
     explicit TTxActivateChangeSenderAck(TDataShard* self, ui64 origin)
-        : TTransactionBase(self) 
-        , Origin(origin) 
-        , AllDstAcksReceived(false) 
-    { 
-    } 
- 
-    TTxType GetTxType() const override { 
-        return TXTYPE_ACTIVATE_CHANGE_SENDER_ACK; 
-    } 
- 
-    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override { 
-        LOG_INFO_S(ctx, NKikimrServices::TX_DATASHARD, "TTxActivateChangeSenderAck Execute" 
-            << ": origin# " << Origin 
-            << ", at tablet# " << Self->TabletID()); 
- 
-        Self->ChangeSenderActivator.Ack(Origin, ctx); 
-        AllDstAcksReceived = Self->ChangeSenderActivator.AllAcked(); 
- 
-        NIceDb::TNiceDb db(txc.DB); 
-        db.Table<Schema::SrcChangeSenderActivations>().Key(Origin).Delete(); 
- 
-        return true; 
-    } 
- 
-    void Complete(const TActorContext& ctx) override { 
-        LOG_INFO_S(ctx, NKikimrServices::TX_DATASHARD, "TTxActivateChangeSenderAck Complete" 
-            << ": origin# " << Origin 
-            << ", at tablet# " << Self->TabletID()); 
- 
-        if (AllDstAcksReceived) { 
-            for (const auto& [ackTo, opIds] : Self->SrcAckPartitioningChangedTo) { 
-                for (const ui64 opId : opIds) { 
-                    LOG_DEBUG_S(ctx, NKikimrServices::TX_DATASHARD, Self->TabletID() << " ack split partitioning changed to schemeshard " << opId); 
-                    ctx.Send(ackTo, new TEvDataShard::TEvSplitPartitioningChangedAck(opId, Self->TabletID())); 
-                } 
-            } 
- 
-            Self->SrcAckPartitioningChangedTo.clear(); 
-            Self->CheckStateChange(ctx); 
-        } 
-    } 
- 
-private: 
-    const ui64 Origin; 
-    bool AllDstAcksReceived; 
- 
-}; // TTxActivateChangeSenderAck 
- 
+        : TTransactionBase(self)
+        , Origin(origin)
+        , AllDstAcksReceived(false)
+    {
+    }
+
+    TTxType GetTxType() const override {
+        return TXTYPE_ACTIVATE_CHANGE_SENDER_ACK;
+    }
+
+    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override {
+        LOG_INFO_S(ctx, NKikimrServices::TX_DATASHARD, "TTxActivateChangeSenderAck Execute"
+            << ": origin# " << Origin
+            << ", at tablet# " << Self->TabletID());
+
+        Self->ChangeSenderActivator.Ack(Origin, ctx);
+        AllDstAcksReceived = Self->ChangeSenderActivator.AllAcked();
+
+        NIceDb::TNiceDb db(txc.DB);
+        db.Table<Schema::SrcChangeSenderActivations>().Key(Origin).Delete();
+
+        return true;
+    }
+
+    void Complete(const TActorContext& ctx) override {
+        LOG_INFO_S(ctx, NKikimrServices::TX_DATASHARD, "TTxActivateChangeSenderAck Complete"
+            << ": origin# " << Origin
+            << ", at tablet# " << Self->TabletID());
+
+        if (AllDstAcksReceived) {
+            for (const auto& [ackTo, opIds] : Self->SrcAckPartitioningChangedTo) {
+                for (const ui64 opId : opIds) {
+                    LOG_DEBUG_S(ctx, NKikimrServices::TX_DATASHARD, Self->TabletID() << " ack split partitioning changed to schemeshard " << opId);
+                    ctx.Send(ackTo, new TEvDataShard::TEvSplitPartitioningChangedAck(opId, Self->TabletID()));
+                }
+            }
+
+            Self->SrcAckPartitioningChangedTo.clear();
+            Self->CheckStateChange(ctx);
+        }
+    }
+
+private:
+    const ui64 Origin;
+    bool AllDstAcksReceived;
+
+}; // TTxActivateChangeSenderAck
+
 void TDataShard::Handle(TEvChangeExchange::TEvActivateSender::TPtr& ev, const TActorContext& ctx) {
-    Execute(new TTxActivateChangeSender(this, ev->Get()->Record.GetOrigin(), ev->Sender), ctx); 
-} 
- 
+    Execute(new TTxActivateChangeSender(this, ev->Get()->Record.GetOrigin(), ev->Sender), ctx);
+}
+
 void TDataShard::Handle(TEvChangeExchange::TEvActivateSenderAck::TPtr& ev, const TActorContext& ctx) {
-    Execute(new TTxActivateChangeSenderAck(this, ev->Get()->Record.GetOrigin()), ctx); 
-} 
- 
+    Execute(new TTxActivateChangeSenderAck(this, ev->Get()->Record.GetOrigin()), ctx);
+}
+
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/datashard_change_sending.cpp b/ydb/core/tx/datashard/datashard_change_sending.cpp
index d0f12fcc06..7789c5137e 100644
--- a/ydb/core/tx/datashard/datashard_change_sending.cpp
+++ b/ydb/core/tx/datashard/datashard_change_sending.cpp
@@ -1,327 +1,327 @@
-#include "datashard_impl.h" 
- 
-#include <util/generic/size_literals.h> 
- 
-namespace NKikimr { 
+#include "datashard_impl.h"
+
+#include <util/generic/size_literals.h>
+
+namespace NKikimr {
 namespace NDataShard {
- 
-using namespace NTabletFlatExecutor; 
- 
+
+using namespace NTabletFlatExecutor;
+
 class TDataShard::TTxRequestChangeRecords: public TTransactionBase<TDataShard> {
     using Schema = TDataShard::Schema;
- 
-    bool Precharge(NIceDb::TNiceDb& db) { 
-        size_t bodiesSize = 0; 
-        bool ok = true; 
- 
-        for (const auto& [_, records] : Self->ChangeRecordsRequested) { 
-            for (const auto& record : records) { 
-                if (bodiesSize && (bodiesSize + record.BodySize) > MemLimit) { 
-                    break; 
-                } 
- 
-                bodiesSize += record.BodySize; 
- 
-                ok = ok && db.Table<Schema::ChangeRecords>().Key(record.Order).Precharge(); 
-                ok = ok && db.Table<Schema::ChangeRecordDetails>().Key(record.Order).Precharge(); 
-            } 
-        } 
- 
-        return ok; 
-    } 
- 
-    bool Select(NIceDb::TNiceDb& db) { 
-        for (auto& [recipient, records] : Self->ChangeRecordsRequested) { 
-            if (!records) { 
-                continue; 
-            } 
- 
-            auto it = records.begin(); 
-            while (it != records.end()) { 
-                if (MemUsage && (MemUsage + it->BodySize) > MemLimit) { 
-                    break; 
-                } 
- 
-                auto basic = db.Table<Schema::ChangeRecords>().Key(it->Order).Select(); 
-                auto details = db.Table<Schema::ChangeRecordDetails>().Key(it->Order).Select(); 
- 
-                if (!basic.IsReady() || !details.IsReady()) { 
-                    return false; 
-                } 
- 
-                if (!basic.IsValid() && !details.IsValid()) { 
-                    RecordsToForget[recipient].emplace_back(it->Order); 
-                    it = records.erase(it); 
-                    continue; 
-                } 
- 
-                Y_VERIFY_S(basic.IsValid() && details.IsValid(), "Inconsistent basic and details" 
-                    << ", basic.IsValid: " << basic.IsValid() 
-                    << ", details.IsValid: " << details.IsValid() 
-                    << ", recipient: " << recipient 
-                    << ", records.size: " << records.size() 
-                    << ", it->Order: " << it->Order 
-                    << ", it->BodySize: " << it->BodySize); 
- 
-                RecordsToSend[recipient].emplace_back(TChangeRecordBuilder(details.GetValue<Schema::ChangeRecordDetails::Kind>()) 
-                    .WithOrder(it->Order) 
-                    .WithGroup(basic.GetValue<Schema::ChangeRecords::Group>()) 
-                    .WithStep(basic.GetValue<Schema::ChangeRecords::PlanStep>()) 
-                    .WithTxId(basic.GetValue<Schema::ChangeRecords::TxId>()) 
-                    .WithPathId(TPathId( 
-                        basic.GetValue<Schema::ChangeRecords::PathOwnerId>(), 
-                        basic.GetValue<Schema::ChangeRecords::LocalPathId>() 
-                    )) 
-                    .WithBody(details.GetValue<Schema::ChangeRecordDetails::Body>()) 
-                    .Build()); 
- 
-                MemUsage += it->BodySize; 
-                it = records.erase(it); 
-            } 
-        } 
- 
-        return true; 
-    } 
- 
-public: 
+
+    bool Precharge(NIceDb::TNiceDb& db) {
+        size_t bodiesSize = 0;
+        bool ok = true;
+
+        for (const auto& [_, records] : Self->ChangeRecordsRequested) {
+            for (const auto& record : records) {
+                if (bodiesSize && (bodiesSize + record.BodySize) > MemLimit) {
+                    break;
+                }
+
+                bodiesSize += record.BodySize;
+
+                ok = ok && db.Table<Schema::ChangeRecords>().Key(record.Order).Precharge();
+                ok = ok && db.Table<Schema::ChangeRecordDetails>().Key(record.Order).Precharge();
+            }
+        }
+
+        return ok;
+    }
+
+    bool Select(NIceDb::TNiceDb& db) {
+        for (auto& [recipient, records] : Self->ChangeRecordsRequested) {
+            if (!records) {
+                continue;
+            }
+
+            auto it = records.begin();
+            while (it != records.end()) {
+                if (MemUsage && (MemUsage + it->BodySize) > MemLimit) {
+                    break;
+                }
+
+                auto basic = db.Table<Schema::ChangeRecords>().Key(it->Order).Select();
+                auto details = db.Table<Schema::ChangeRecordDetails>().Key(it->Order).Select();
+
+                if (!basic.IsReady() || !details.IsReady()) {
+                    return false;
+                }
+
+                if (!basic.IsValid() && !details.IsValid()) {
+                    RecordsToForget[recipient].emplace_back(it->Order);
+                    it = records.erase(it);
+                    continue;
+                }
+
+                Y_VERIFY_S(basic.IsValid() && details.IsValid(), "Inconsistent basic and details"
+                    << ", basic.IsValid: " << basic.IsValid()
+                    << ", details.IsValid: " << details.IsValid()
+                    << ", recipient: " << recipient
+                    << ", records.size: " << records.size()
+                    << ", it->Order: " << it->Order
+                    << ", it->BodySize: " << it->BodySize);
+
+                RecordsToSend[recipient].emplace_back(TChangeRecordBuilder(details.GetValue<Schema::ChangeRecordDetails::Kind>())
+                    .WithOrder(it->Order)
+                    .WithGroup(basic.GetValue<Schema::ChangeRecords::Group>())
+                    .WithStep(basic.GetValue<Schema::ChangeRecords::PlanStep>())
+                    .WithTxId(basic.GetValue<Schema::ChangeRecords::TxId>())
+                    .WithPathId(TPathId(
+                        basic.GetValue<Schema::ChangeRecords::PathOwnerId>(),
+                        basic.GetValue<Schema::ChangeRecords::LocalPathId>()
+                    ))
+                    .WithBody(details.GetValue<Schema::ChangeRecordDetails::Body>())
+                    .Build());
+
+                MemUsage += it->BodySize;
+                it = records.erase(it);
+            }
+        }
+
+        return true;
+    }
+
+public:
     explicit TTxRequestChangeRecords(TDataShard* self)
-        : TTransactionBase(self) 
-    { 
-    } 
- 
-    TTxType GetTxType() const override { 
-        return TXTYPE_REQUEST_CHANGE_RECORDS; 
-    } 
- 
-    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override { 
-        LOG_INFO_S(ctx, NKikimrServices::TX_DATASHARD, "TTxRequestChangeRecords Execute" 
-            << ": at tablet# " << Self->TabletID()); 
- 
-        NIceDb::TNiceDb db(txc.DB); 
-        if (!Precharge(db) || !Select(db)) { 
-            return false; 
-        } 
- 
-        return true; 
-    } 
- 
-    void Complete(const TActorContext& ctx) override { 
-        size_t sent = 0; 
-        for (auto& kv : RecordsToSend) { 
-            const auto& to = kv.first; 
-            auto& records = kv.second; 
- 
-            sent += records.size(); 
- 
-            LOG_DEBUG_S(ctx, NKikimrServices::TX_DATASHARD, "Send " << records.size() << " change records" 
-                << ": to# " << to 
-                << ", at tablet# " << Self->TabletID()); 
-            ctx.Send(to, new TEvChangeExchange::TEvRecords(std::move(records))); 
-        } 
- 
-        size_t forgotten = 0; 
-        for (auto& kv : RecordsToForget) { 
-            const auto& to = kv.first; 
-            auto& records = kv.second; 
- 
-            forgotten += records.size(); 
- 
-            LOG_DEBUG_S(ctx, NKikimrServices::TX_DATASHARD, "Forget " << records.size() << " change records" 
-                << ": to# " << to 
-                << ", at tablet# " << Self->TabletID()); 
-            ctx.Send(to, new TEvChangeExchange::TEvForgetRecords(std::move(records))); 
-        } 
- 
-        size_t left = 0; 
-        for (const auto& [_, records] : Self->ChangeRecordsRequested) { 
-            left += records.size(); 
-        } 
- 
-        LOG_INFO_S(ctx, NKikimrServices::TX_DATASHARD, "TTxRequestChangeRecords Complete" 
-            << ": sent# " << sent 
-            << ", forgotten# " << forgotten 
-            << ", left# " << left 
-            << ", at tablet# " << Self->TabletID()); 
- 
-        if (left) { 
-            Self->Execute(new TTxRequestChangeRecords(Self), ctx); 
-        } else { 
-            Self->RequestChangeRecordsInFly = false; 
-        } 
-    } 
- 
-private: 
-    static constexpr size_t MemLimit = 512_KB; 
-    size_t MemUsage = 0; 
- 
-    THashMap<TActorId, TVector<TChangeRecord>> RecordsToSend; 
-    THashMap<TActorId, TVector<ui64>> RecordsToForget; 
- 
-}; // TTxRequestChangeRecords 
- 
+        : TTransactionBase(self)
+    {
+    }
+
+    TTxType GetTxType() const override {
+        return TXTYPE_REQUEST_CHANGE_RECORDS;
+    }
+
+    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override {
+        LOG_INFO_S(ctx, NKikimrServices::TX_DATASHARD, "TTxRequestChangeRecords Execute"
+            << ": at tablet# " << Self->TabletID());
+
+        NIceDb::TNiceDb db(txc.DB);
+        if (!Precharge(db) || !Select(db)) {
+            return false;
+        }
+
+        return true;
+    }
+
+    void Complete(const TActorContext& ctx) override {
+        size_t sent = 0;
+        for (auto& kv : RecordsToSend) {
+            const auto& to = kv.first;
+            auto& records = kv.second;
+
+            sent += records.size();
+
+            LOG_DEBUG_S(ctx, NKikimrServices::TX_DATASHARD, "Send " << records.size() << " change records"
+                << ": to# " << to
+                << ", at tablet# " << Self->TabletID());
+            ctx.Send(to, new TEvChangeExchange::TEvRecords(std::move(records)));
+        }
+
+        size_t forgotten = 0;
+        for (auto& kv : RecordsToForget) {
+            const auto& to = kv.first;
+            auto& records = kv.second;
+
+            forgotten += records.size();
+
+            LOG_DEBUG_S(ctx, NKikimrServices::TX_DATASHARD, "Forget " << records.size() << " change records"
+                << ": to# " << to
+                << ", at tablet# " << Self->TabletID());
+            ctx.Send(to, new TEvChangeExchange::TEvForgetRecords(std::move(records)));
+        }
+
+        size_t left = 0;
+        for (const auto& [_, records] : Self->ChangeRecordsRequested) {
+            left += records.size();
+        }
+
+        LOG_INFO_S(ctx, NKikimrServices::TX_DATASHARD, "TTxRequestChangeRecords Complete"
+            << ": sent# " << sent
+            << ", forgotten# " << forgotten
+            << ", left# " << left
+            << ", at tablet# " << Self->TabletID());
+
+        if (left) {
+            Self->Execute(new TTxRequestChangeRecords(Self), ctx);
+        } else {
+            Self->RequestChangeRecordsInFly = false;
+        }
+    }
+
+private:
+    static constexpr size_t MemLimit = 512_KB;
+    size_t MemUsage = 0;
+
+    THashMap<TActorId, TVector<TChangeRecord>> RecordsToSend;
+    THashMap<TActorId, TVector<ui64>> RecordsToForget;
+
+}; // TTxRequestChangeRecords
+
 class TDataShard::TTxRemoveChangeRecords: public TTransactionBase<TDataShard> {
-    void FillActivationList() { 
-        if (!Self->ChangesQueue) { 
-            if (!Self->ChangeExchangeSplitter.Done()) { 
-                ChangeExchangeSplit = true; 
-            } else { 
-                for (const auto dstTabletId : Self->ChangeSenderActivator.GetDstSet()) { 
-                    if (Self->SplitSrcSnapshotSender.Acked(dstTabletId)) { 
-                        ActivationList.insert(dstTabletId); 
-                    } 
-                } 
-            } 
-        } 
-    } 
- 
-public: 
+    void FillActivationList() {
+        if (!Self->ChangesQueue) {
+            if (!Self->ChangeExchangeSplitter.Done()) {
+                ChangeExchangeSplit = true;
+            } else {
+                for (const auto dstTabletId : Self->ChangeSenderActivator.GetDstSet()) {
+                    if (Self->SplitSrcSnapshotSender.Acked(dstTabletId)) {
+                        ActivationList.insert(dstTabletId);
+                    }
+                }
+            }
+        }
+    }
+
+public:
     explicit TTxRemoveChangeRecords(TDataShard* self)
-        : TTransactionBase(self) 
-    { 
-    } 
- 
-    TTxType GetTxType() const override { 
-        return TXTYPE_REMOVE_CHANGE_RECORDS; 
-    } 
- 
-    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override { 
-        LOG_INFO_S(ctx, NKikimrServices::TX_DATASHARD, "TTxRemoveChangeRecords Execute" 
-            << ": records# " << Self->ChangeRecordsToRemove.size() 
-            << ", at tablet# " << Self->TabletID()); 
- 
-        if (!Self->ChangeRecordsToRemove) { 
-            FillActivationList(); 
-            return true; 
-        } 
- 
-        NIceDb::TNiceDb db(txc.DB); 
- 
-        auto it = Self->ChangeRecordsToRemove.begin(); 
-        while (RemovedCount < BucketSize && it != Self->ChangeRecordsToRemove.end()) { 
-            Self->RemoveChangeRecord(db, *it); 
- 
-            it = Self->ChangeRecordsToRemove.erase(it); 
-            ++RemovedCount; 
-        } 
- 
-        FillActivationList(); 
-        return true; 
-    } 
- 
-    void Complete(const TActorContext& ctx) override { 
-        LOG_NOTICE_S(ctx, NKikimrServices::TX_DATASHARD, "TTxRemoveChangeRecords Complete" 
-            << ": removed# " << RemovedCount 
-            << ", left# " << Self->ChangeRecordsToRemove.size() 
-            << ", at tablet# " << Self->TabletID()); 
- 
-        if (Self->ChangeRecordsToRemove) { 
-            Self->Execute(new TTxRemoveChangeRecords(Self), ctx); 
-        } else { 
-            Self->RemoveChangeRecordsInFly = false; 
-        } 
- 
-        if (ChangeExchangeSplit) { 
-            Self->ChangeExchangeSplitter.DoSplit(ctx); 
-        } 
- 
-        for (const auto dstTabletId : ActivationList) { 
-            if (!Self->ChangeSenderActivator.Acked(dstTabletId)) { 
-                Self->ChangeSenderActivator.DoSend(dstTabletId, ctx); 
-            } 
-        } 
-    } 
- 
-private: 
-    static constexpr size_t BucketSize = 1000; 
-    size_t RemovedCount = 0; 
-    THashSet<ui64> ActivationList; 
-    bool ChangeExchangeSplit = false; 
- 
-}; // TTxRemoveChangeRecords 
- 
-class TDataShard::TTxChangeExchangeSplitAck: public TTransactionBase<TDataShard> { 
-public: 
-    explicit TTxChangeExchangeSplitAck(TDataShard* self) 
-        : TTransactionBase(self) 
-    { 
-    } 
- 
-    TTxType GetTxType() const override { 
-        return TXTYPE_CHANGE_EXCHANGE_SPLIT_ACK; 
-    } 
- 
-    bool Execute(TTransactionContext&, const TActorContext& ctx) override { 
-        LOG_INFO_S(ctx, NKikimrServices::TX_DATASHARD, "TTxChangeExchangeSplitAck Execute" 
-            << ", at tablet# " << Self->TabletID()); 
- 
-        Y_VERIFY(!Self->ChangesQueue); 
- 
-        Self->ChangeExchangeSplitter.Ack(); 
-        Y_VERIFY(Self->ChangeExchangeSplitter.Done()); 
- 
-        for (const auto dstTabletId : Self->ChangeSenderActivator.GetDstSet()) { 
-            if (Self->SplitSrcSnapshotSender.Acked(dstTabletId)) { 
-                ActivationList.insert(dstTabletId); 
-            } 
-        } 
- 
-        return true; 
-    } 
- 
-    void Complete(const TActorContext& ctx) override { 
-        LOG_NOTICE_S(ctx, NKikimrServices::TX_DATASHARD, "TTxChangeExchangeSplitAck Complete" 
-            << ", at tablet# " << Self->TabletID()); 
- 
-        for (const auto dstTabletId : ActivationList) { 
-            if (!Self->ChangeSenderActivator.Acked(dstTabletId)) { 
-                Self->ChangeSenderActivator.DoSend(dstTabletId, ctx); 
-            } 
-        } 
-    } 
- 
-private: 
-    THashSet<ui64> ActivationList; 
- 
-}; // TTxChangeExchangeSplitAck 
- 
-/// Request 
+        : TTransactionBase(self)
+    {
+    }
+
+    TTxType GetTxType() const override {
+        return TXTYPE_REMOVE_CHANGE_RECORDS;
+    }
+
+    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override {
+        LOG_INFO_S(ctx, NKikimrServices::TX_DATASHARD, "TTxRemoveChangeRecords Execute"
+            << ": records# " << Self->ChangeRecordsToRemove.size()
+            << ", at tablet# " << Self->TabletID());
+
+        if (!Self->ChangeRecordsToRemove) {
+            FillActivationList();
+            return true;
+        }
+
+        NIceDb::TNiceDb db(txc.DB);
+
+        auto it = Self->ChangeRecordsToRemove.begin();
+        while (RemovedCount < BucketSize && it != Self->ChangeRecordsToRemove.end()) {
+            Self->RemoveChangeRecord(db, *it);
+
+            it = Self->ChangeRecordsToRemove.erase(it);
+            ++RemovedCount;
+        }
+
+        FillActivationList();
+        return true;
+    }
+
+    void Complete(const TActorContext& ctx) override {
+        LOG_NOTICE_S(ctx, NKikimrServices::TX_DATASHARD, "TTxRemoveChangeRecords Complete"
+            << ": removed# " << RemovedCount
+            << ", left# " << Self->ChangeRecordsToRemove.size()
+            << ", at tablet# " << Self->TabletID());
+
+        if (Self->ChangeRecordsToRemove) {
+            Self->Execute(new TTxRemoveChangeRecords(Self), ctx);
+        } else {
+            Self->RemoveChangeRecordsInFly = false;
+        }
+
+        if (ChangeExchangeSplit) {
+            Self->ChangeExchangeSplitter.DoSplit(ctx);
+        }
+
+        for (const auto dstTabletId : ActivationList) {
+            if (!Self->ChangeSenderActivator.Acked(dstTabletId)) {
+                Self->ChangeSenderActivator.DoSend(dstTabletId, ctx);
+            }
+        }
+    }
+
+private:
+    static constexpr size_t BucketSize = 1000;
+    size_t RemovedCount = 0;
+    THashSet<ui64> ActivationList;
+    bool ChangeExchangeSplit = false;
+
+}; // TTxRemoveChangeRecords
+
+class TDataShard::TTxChangeExchangeSplitAck: public TTransactionBase<TDataShard> {
+public:
+    explicit TTxChangeExchangeSplitAck(TDataShard* self)
+        : TTransactionBase(self)
+    {
+    }
+
+    TTxType GetTxType() const override {
+        return TXTYPE_CHANGE_EXCHANGE_SPLIT_ACK;
+    }
+
+    bool Execute(TTransactionContext&, const TActorContext& ctx) override {
+        LOG_INFO_S(ctx, NKikimrServices::TX_DATASHARD, "TTxChangeExchangeSplitAck Execute"
+            << ", at tablet# " << Self->TabletID());
+
+        Y_VERIFY(!Self->ChangesQueue);
+
+        Self->ChangeExchangeSplitter.Ack();
+        Y_VERIFY(Self->ChangeExchangeSplitter.Done());
+
+        for (const auto dstTabletId : Self->ChangeSenderActivator.GetDstSet()) {
+            if (Self->SplitSrcSnapshotSender.Acked(dstTabletId)) {
+                ActivationList.insert(dstTabletId);
+            }
+        }
+
+        return true;
+    }
+
+    void Complete(const TActorContext& ctx) override {
+        LOG_NOTICE_S(ctx, NKikimrServices::TX_DATASHARD, "TTxChangeExchangeSplitAck Complete"
+            << ", at tablet# " << Self->TabletID());
+
+        for (const auto dstTabletId : ActivationList) {
+            if (!Self->ChangeSenderActivator.Acked(dstTabletId)) {
+                Self->ChangeSenderActivator.DoSend(dstTabletId, ctx);
+            }
+        }
+    }
+
+private:
+    THashSet<ui64> ActivationList;
+
+}; // TTxChangeExchangeSplitAck
+
+/// Request
 void TDataShard::Handle(TEvChangeExchange::TEvRequestRecords::TPtr& ev, const TActorContext& ctx) {
-    ChangeRecordsRequested[ev->Sender].insert(ev->Get()->Records.begin(), ev->Get()->Records.end()); 
-    ScheduleRequestChangeRecords(ctx); 
-} 
- 
+    ChangeRecordsRequested[ev->Sender].insert(ev->Get()->Records.begin(), ev->Get()->Records.end());
+    ScheduleRequestChangeRecords(ctx);
+}
+
 void TDataShard::ScheduleRequestChangeRecords(const TActorContext& ctx) {
-    if (ChangeRecordsRequested && !RequestChangeRecordsInFly) { 
-        ctx.Send(SelfId(), new TEvPrivate::TEvRequestChangeRecords); 
-        RequestChangeRecordsInFly = true; 
-    } 
-} 
- 
+    if (ChangeRecordsRequested && !RequestChangeRecordsInFly) {
+        ctx.Send(SelfId(), new TEvPrivate::TEvRequestChangeRecords);
+        RequestChangeRecordsInFly = true;
+    }
+}
+
 void TDataShard::Handle(TEvPrivate::TEvRequestChangeRecords::TPtr&, const TActorContext& ctx) {
-    Execute(new TTxRequestChangeRecords(this), ctx); 
-} 
- 
-/// Remove 
+    Execute(new TTxRequestChangeRecords(this), ctx);
+}
+
+/// Remove
 void TDataShard::Handle(TEvChangeExchange::TEvRemoveRecords::TPtr& ev, const TActorContext& ctx) {
-    ChangeRecordsToRemove.insert(ev->Get()->Records.begin(), ev->Get()->Records.end()); 
-    ScheduleRemoveChangeRecords(ctx); 
-} 
- 
+    ChangeRecordsToRemove.insert(ev->Get()->Records.begin(), ev->Get()->Records.end());
+    ScheduleRemoveChangeRecords(ctx);
+}
+
 void TDataShard::ScheduleRemoveChangeRecords(const TActorContext& ctx) {
-    if (ChangeRecordsToRemove && !RemoveChangeRecordsInFly) { 
-        ctx.Send(SelfId(), new TEvPrivate::TEvRemoveChangeRecords); 
-        RemoveChangeRecordsInFly = true; 
-    } 
-} 
- 
+    if (ChangeRecordsToRemove && !RemoveChangeRecordsInFly) {
+        ctx.Send(SelfId(), new TEvPrivate::TEvRemoveChangeRecords);
+        RemoveChangeRecordsInFly = true;
+    }
+}
+
 void TDataShard::Handle(TEvPrivate::TEvRemoveChangeRecords::TPtr&, const TActorContext& ctx) {
-    Execute(new TTxRemoveChangeRecords(this), ctx); 
-} 
- 
-/// SplitAck 
-void TDataShard::Handle(TEvChangeExchange::TEvSplitAck::TPtr&, const TActorContext& ctx) { 
-    Execute(new TTxChangeExchangeSplitAck(this), ctx); 
-} 
- 
+    Execute(new TTxRemoveChangeRecords(this), ctx);
+}
+
+/// SplitAck
+void TDataShard::Handle(TEvChangeExchange::TEvSplitAck::TPtr&, const TActorContext& ctx) {
+    Execute(new TTxChangeExchangeSplitAck(this), ctx);
+}
+
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/datashard_common_upload.cpp b/ydb/core/tx/datashard/datashard_common_upload.cpp
index c5e298cc3a..088da2b521 100644
--- a/ydb/core/tx/datashard/datashard_common_upload.cpp
+++ b/ydb/core/tx/datashard/datashard_common_upload.cpp
@@ -1,32 +1,32 @@
-#include "change_collector.h" 
-#include "datashard_common_upload.h" 
+#include "change_collector.h"
+#include "datashard_common_upload.h"
 
 namespace NKikimr {
 namespace NDataShard {
 
-template <typename TEvRequest, typename TEvResponse> 
-TCommonUploadOps<TEvRequest, TEvResponse>::TCommonUploadOps(typename TEvRequest::TPtr& ev, bool breakLocks, bool collectChanges) 
-    : BreakLocks(breakLocks) 
-    , CollectChanges(collectChanges) 
-    , Ev(ev) 
+template <typename TEvRequest, typename TEvResponse>
+TCommonUploadOps<TEvRequest, TEvResponse>::TCommonUploadOps(typename TEvRequest::TPtr& ev, bool breakLocks, bool collectChanges)
+    : BreakLocks(breakLocks)
+    , CollectChanges(collectChanges)
+    , Ev(ev)
 {
 }
 
-template <typename TEvRequest, typename TEvResponse> 
-bool TCommonUploadOps<TEvRequest, TEvResponse>::Execute(TDataShard* self, TTransactionContext& txc, 
-        const TRowVersion& readVersion, const TRowVersion& writeVersion) 
-{ 
-    const auto& record = Ev->Get()->Record; 
- 
+template <typename TEvRequest, typename TEvResponse>
+bool TCommonUploadOps<TEvRequest, TEvResponse>::Execute(TDataShard* self, TTransactionContext& txc,
+        const TRowVersion& readVersion, const TRowVersion& writeVersion)
+{
+    const auto& record = Ev->Get()->Record;
+
     Result = MakeHolder<TEvResponse>(self->TabletID());
 
-    TInstant deadline = TInstant::MilliSeconds(record.GetCancelDeadlineMs()); 
+    TInstant deadline = TInstant::MilliSeconds(record.GetCancelDeadlineMs());
     if (deadline && deadline < AppData()->TimeProvider->Now()) {
         SetError(NKikimrTxDataShard::TError::EXECUTION_CANCELLED, "Deadline exceeded");
         return true;
     }
 
-    const ui64 tableId = record.GetTableId(); 
+    const ui64 tableId = record.GetTableId();
     const TTableId fullTableId(self->GetPathOwnerId(), tableId);
     const ui64 localTableId = self->GetLocalTableId(fullTableId);
     if (localTableId == 0) {
@@ -40,36 +40,36 @@ bool TCommonUploadOps<TEvRequest, TEvResponse>::Execute(TDataShard* self, TTrans
     Y_VERIFY(tableInfo.ShadowTid == shadowTableId);
 
     // Check schemas
-    if (record.GetRowScheme().KeyColumnIdsSize() != tableInfo.KeyColumnIds.size()) { 
+    if (record.GetRowScheme().KeyColumnIdsSize() != tableInfo.KeyColumnIds.size()) {
         SetError(NKikimrTxDataShard::TError::SCHEME_ERROR,
             Sprintf("Key column count mismatch: got %" PRIu64 ", expected %" PRIu64,
-                record.GetRowScheme().KeyColumnIdsSize(), tableInfo.KeyColumnIds.size())); 
+                record.GetRowScheme().KeyColumnIdsSize(), tableInfo.KeyColumnIds.size()));
         return true;
     }
 
     for (size_t i = 0; i < tableInfo.KeyColumnIds.size(); ++i) {
-        if (record.GetRowScheme().GetKeyColumnIds(i) != tableInfo.KeyColumnIds[i]) { 
+        if (record.GetRowScheme().GetKeyColumnIds(i) != tableInfo.KeyColumnIds[i]) {
             SetError(NKikimrTxDataShard::TError::SCHEME_ERROR, Sprintf("Key column schema at position %" PRISZT, i));
             return true;
         }
     }
 
-    const bool writeToTableShadow = record.GetWriteToTableShadow(); 
+    const bool writeToTableShadow = record.GetWriteToTableShadow();
     const bool readForTableShadow = writeToTableShadow && !shadowTableId;
     const ui32 writeTableId = writeToTableShadow && shadowTableId ? shadowTableId : localTableId;
 
-    if (CollectChanges) { 
-        ChangeCollector.Reset(CreateChangeCollector(*self, txc.DB, tableInfo, true)); 
-        ChangeCollector->SetWriteVersion(writeVersion); 
-        if (ChangeCollector->NeedToReadKeys()) { 
-            ChangeCollector->SetReadVersion(readVersion); 
-        } 
-    } 
- 
+    if (CollectChanges) {
+        ChangeCollector.Reset(CreateChangeCollector(*self, txc.DB, tableInfo, true));
+        ChangeCollector->SetWriteVersion(writeVersion);
+        if (ChangeCollector->NeedToReadKeys()) {
+            ChangeCollector->SetReadVersion(readVersion);
+        }
+    }
+
     // Prepare (id, Type) vector for value columns
     TVector<NTable::TTag> tagsForSelect;
     TVector<std::pair<ui32, NScheme::TTypeId>> valueCols;
-    for (const auto& colId : record.GetRowScheme().GetValueColumnIds()) { 
+    for (const auto& colId : record.GetRowScheme().GetValueColumnIds()) {
         if (readForTableShadow) {
             tagsForSelect.push_back(colId);
         }
@@ -91,7 +91,7 @@ bool TCommonUploadOps<TEvRequest, TEvResponse>::Execute(TDataShard* self, TTrans
     NTable::TRowState rowState;
 
     ui64 bytes = 0;
-    for (const auto& r : record.GetRows()) { 
+    for (const auto& r : record.GetRows()) {
         // TODO: use safe parsing!
         keyCells.Parse(r.GetKeyColumns());
         valueCells.Parse(r.GetValueColumns());
@@ -135,10 +135,10 @@ bool TCommonUploadOps<TEvRequest, TEvResponse>::Execute(TDataShard* self, TTrans
                 pageFault = true;
             }
 
-            if (pageFault) { 
-                continue; 
-            } 
- 
+            if (pageFault) {
+                continue;
+            }
+
             if (rowState == NTable::ERowOp::Erase || rowState == NTable::ERowOp::Reset) {
                 // Row has been erased in the past, ignore this upsert
                 continue;
@@ -172,73 +172,73 @@ bool TCommonUploadOps<TEvRequest, TEvResponse>::Execute(TDataShard* self, TTrans
             continue;
         }
 
-        if (!writeToTableShadow) { 
-            if (ChangeCollector) { 
-                Y_VERIFY(CollectChanges); 
- 
+        if (!writeToTableShadow) {
+            if (ChangeCollector) {
+                Y_VERIFY(CollectChanges);
+
                 if (!ChangeCollector->Collect(fullTableId, NTable::ERowOp::Upsert, key, value)) {
-                    pageFault = true; 
-                } 
- 
-                if (pageFault) { 
-                    continue; 
-                } 
-            } 
- 
-            if (BreakLocks) { 
-                self->SysLocksTable().BreakLock(fullTableId, keyCells.GetCells()); 
-            } 
+                    pageFault = true;
+                }
+
+                if (pageFault) {
+                    continue;
+                }
+            }
+
+            if (BreakLocks) {
+                self->SysLocksTable().BreakLock(fullTableId, keyCells.GetCells());
+            }
         }
 
         txc.DB.Update(writeTableId, NTable::ERowOp::Upsert, key, value, writeVersion);
     }
 
     if (pageFault) {
-        if (ChangeCollector) { 
-            ChangeCollector->Reset(); 
-        } 
- 
+        if (ChangeCollector) {
+            ChangeCollector->Reset();
+        }
+
         return false;
     }
 
-    self->IncCounter(COUNTER_UPLOAD_ROWS, record.GetRows().size()); 
+    self->IncCounter(COUNTER_UPLOAD_ROWS, record.GetRows().size());
     self->IncCounter(COUNTER_UPLOAD_ROWS_BYTES, bytes);
 
     tableInfo.Stats.UpdateTime = TAppData::TimeProvider->Now();
     return true;
 }
 
-template <typename TEvRequest, typename TEvResponse> 
+template <typename TEvRequest, typename TEvResponse>
 void TCommonUploadOps<TEvRequest, TEvResponse>::SendResult(TDataShard* self, const TActorContext& ctx) {
-    Y_VERIFY(Result); 
- 
+    Y_VERIFY(Result);
+
     if (Result->Record.GetStatus() == NKikimrTxDataShard::TError::OK) {
         self->IncCounter(COUNTER_BULK_UPSERT_SUCCESS);
     } else {
         self->IncCounter(COUNTER_BULK_UPSERT_ERROR);
     }
- 
-    ctx.Send(Ev->Sender, std::move(Result)); 
+
+    ctx.Send(Ev->Sender, std::move(Result));
+}
+
+template <typename TEvRequest, typename TEvResponse>
+TVector<NMiniKQL::IChangeCollector::TChange> TCommonUploadOps<TEvRequest, TEvResponse>::GetCollectedChanges() const {
+    if (!ChangeCollector) {
+        return {};
+    }
+
+    auto changes = std::move(ChangeCollector->GetCollected());
+    return changes;
 }
 
-template <typename TEvRequest, typename TEvResponse> 
-TVector<NMiniKQL::IChangeCollector::TChange> TCommonUploadOps<TEvRequest, TEvResponse>::GetCollectedChanges() const { 
-    if (!ChangeCollector) { 
-        return {}; 
-    } 
- 
-    auto changes = std::move(ChangeCollector->GetCollected()); 
-    return changes; 
-} 
- 
-template <typename TEvRequest, typename TEvResponse> 
-void TCommonUploadOps<TEvRequest, TEvResponse>::SetError(ui32 status, const TString& descr) { 
-    Result->Record.SetStatus(status); 
-    Result->Record.SetErrorDescription(descr); 
-} 
- 
-template class TCommonUploadOps<TEvDataShard::TEvUploadRowsRequest, TEvDataShard::TEvUploadRowsResponse>; 
-template class TCommonUploadOps<TEvDataShard::TEvUnsafeUploadRowsRequest, TEvDataShard::TEvUnsafeUploadRowsResponse>; 
- 
+template <typename TEvRequest, typename TEvResponse>
+void TCommonUploadOps<TEvRequest, TEvResponse>::SetError(ui32 status, const TString& descr) {
+    Result->Record.SetStatus(status);
+    Result->Record.SetErrorDescription(descr);
+}
+
+template class TCommonUploadOps<TEvDataShard::TEvUploadRowsRequest, TEvDataShard::TEvUploadRowsResponse>;
+template class TCommonUploadOps<TEvDataShard::TEvUnsafeUploadRowsRequest, TEvDataShard::TEvUnsafeUploadRowsResponse>;
+
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/datashard_common_upload.h b/ydb/core/tx/datashard/datashard_common_upload.h
index 3f5a4b36fd..262027b14f 100644
--- a/ydb/core/tx/datashard/datashard_common_upload.h
+++ b/ydb/core/tx/datashard/datashard_common_upload.h
@@ -1,34 +1,34 @@
-#pragma once 
- 
-#include "datashard_impl.h" 
- 
+#pragma once
+
+#include "datashard_impl.h"
+
 #include <ydb/core/engine/minikql/change_collector_iface.h>
- 
-namespace NKikimr { 
+
+namespace NKikimr {
 namespace NDataShard {
- 
-template <typename TEvRequest, typename TEvResponse> 
-class TCommonUploadOps { 
-    using IChangeCollector = NMiniKQL::IChangeCollector; 
- 
-    const bool BreakLocks; 
-    const bool CollectChanges; 
- 
-    typename TEvRequest::TPtr Ev; 
-    THolder<TEvResponse> Result; 
-    THolder<IChangeCollector> ChangeCollector; 
- 
-public: 
-    explicit TCommonUploadOps(typename TEvRequest::TPtr& ev, bool breakLocks, bool collectChanges); 
- 
-protected: 
-    bool Execute(TDataShard* self, TTransactionContext& txc, const TRowVersion& readVersion, const TRowVersion& writeVersion); 
+
+template <typename TEvRequest, typename TEvResponse>
+class TCommonUploadOps {
+    using IChangeCollector = NMiniKQL::IChangeCollector;
+
+    const bool BreakLocks;
+    const bool CollectChanges;
+
+    typename TEvRequest::TPtr Ev;
+    THolder<TEvResponse> Result;
+    THolder<IChangeCollector> ChangeCollector;
+
+public:
+    explicit TCommonUploadOps(typename TEvRequest::TPtr& ev, bool breakLocks, bool collectChanges);
+
+protected:
+    bool Execute(TDataShard* self, TTransactionContext& txc, const TRowVersion& readVersion, const TRowVersion& writeVersion);
     void SendResult(TDataShard* self, const TActorContext& ctx);
-    TVector<IChangeCollector::TChange> GetCollectedChanges() const; 
- 
-private: 
-    void SetError(ui32 status, const TString& descr); 
-}; 
- 
+    TVector<IChangeCollector::TChange> GetCollectedChanges() const;
+
+private:
+    void SetError(ui32 status, const TString& descr);
+};
+
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/datashard_direct_erase.cpp b/ydb/core/tx/datashard/datashard_direct_erase.cpp
index ffb1daed8c..826819596f 100644
--- a/ydb/core/tx/datashard/datashard_direct_erase.cpp
+++ b/ydb/core/tx/datashard/datashard_direct_erase.cpp
@@ -1,229 +1,229 @@
-#include "change_collector.h" 
-#include "datashard_direct_erase.h" 
-#include "erase_rows_condition.h" 
- 
+#include "change_collector.h"
+#include "datashard_direct_erase.h"
+#include "erase_rows_condition.h"
+
 #include <ydb/core/base/appdata.h>
- 
-#include <util/generic/xrange.h> 
-#include <util/string/builder.h> 
- 
-namespace NKikimr { 
+
+#include <util/generic/xrange.h>
+#include <util/string/builder.h>
+
+namespace NKikimr {
 namespace NDataShard {
- 
-TDirectTxErase::TDirectTxErase(TEvDataShard::TEvEraseRowsRequest::TPtr& ev) 
-    : Ev(ev) 
-{ 
-} 
- 
-TDirectTxErase::EStatus TDirectTxErase::CheckedExecute( 
-        TDataShard* self, const TExecuteParams& params, 
-        const NKikimrTxDataShard::TEvEraseRowsRequest& request, 
-        NKikimrTxDataShard::TEvEraseRowsResponse::EStatus& status, TString& error) 
-{ 
-    const ui64 tableId = request.GetTableId(); 
-    const TTableId fullTableId(self->GetPathOwnerId(), tableId); 
-    const ui64 localTableId = self->GetLocalTableId(fullTableId); 
-    if (localTableId == 0) { 
-        status = NKikimrTxDataShard::TEvEraseRowsResponse::SCHEME_ERROR; 
-        error = TStringBuilder() << "Unknown table id: " << tableId; 
-        return EStatus::Error; 
-    } 
- 
+
+TDirectTxErase::TDirectTxErase(TEvDataShard::TEvEraseRowsRequest::TPtr& ev)
+    : Ev(ev)
+{
+}
+
+TDirectTxErase::EStatus TDirectTxErase::CheckedExecute(
+        TDataShard* self, const TExecuteParams& params,
+        const NKikimrTxDataShard::TEvEraseRowsRequest& request,
+        NKikimrTxDataShard::TEvEraseRowsResponse::EStatus& status, TString& error)
+{
+    const ui64 tableId = request.GetTableId();
+    const TTableId fullTableId(self->GetPathOwnerId(), tableId);
+    const ui64 localTableId = self->GetLocalTableId(fullTableId);
+    if (localTableId == 0) {
+        status = NKikimrTxDataShard::TEvEraseRowsResponse::SCHEME_ERROR;
+        error = TStringBuilder() << "Unknown table id: " << tableId;
+        return EStatus::Error;
+    }
+
     const TUserTable& tableInfo = *self->GetUserTables().at(tableId);
-    Y_VERIFY(tableInfo.LocalTid == localTableId); 
- 
-    if (request.GetSchemaVersion() && tableInfo.GetTableSchemaVersion() 
-        && request.GetSchemaVersion() != tableInfo.GetTableSchemaVersion()) { 
- 
-        status = NKikimrTxDataShard::TEvEraseRowsResponse::SCHEME_ERROR; 
-        error = TStringBuilder() << "Schema version mismatch" 
-            << ": got " << request.GetSchemaVersion() 
-            << ", expected " << tableInfo.GetTableSchemaVersion(); 
-        return EStatus::Error; 
-    } 
- 
-    if (request.KeyColumnIdsSize() != tableInfo.KeyColumnIds.size()) { 
-        status = NKikimrTxDataShard::TEvEraseRowsResponse::SCHEME_ERROR; 
-        error = TStringBuilder() << "Key column count mismatch" 
-            << ": got " << request.KeyColumnIdsSize() 
-            << ", expected " << tableInfo.KeyColumnIds.size(); 
-        return EStatus::Error; 
-    } 
- 
-    for (size_t i = 0; i < tableInfo.KeyColumnIds.size(); ++i) { 
-        if (request.GetKeyColumnIds(i) != tableInfo.KeyColumnIds[i]) { 
-            status = NKikimrTxDataShard::TEvEraseRowsResponse::SCHEME_ERROR; 
-            error = TStringBuilder() << "Key column schema mismatch at position: " << i; 
-            return EStatus::Error; 
-        } 
-    } 
- 
-    THolder<IEraseRowsCondition> condition; 
-    if (params) { 
-        condition.Reset(CreateEraseRowsCondition(request)); 
-        if (condition) { 
-            condition->Prepare(params.Txc->DB.GetRowScheme(localTableId), 0); 
-        } 
- 
-        params.Tx->ChangeCollector.Reset(CreateChangeCollector(*self, params.Txc->DB, tableInfo, true)); 
-        params.Tx->ChangeCollector->SetWriteVersion(params.WriteVersion); 
-        if (params.Tx->ChangeCollector->NeedToReadKeys()) { 
-            params.Tx->ChangeCollector->SetReadVersion(params.ReadVersion); 
-        } 
-    } 
- 
-    bool pageFault = false; 
-    for (const auto& serializedKey : request.GetKeyColumns()) { 
-        TSerializedCellVec keyCells; 
-        if (!TSerializedCellVec::TryParse(serializedKey, keyCells)) { 
-            status = NKikimrTxDataShard::TEvEraseRowsResponse::BAD_REQUEST; 
-            error = "Cannot parse key"; 
-            return EStatus::Error; 
-        } 
- 
-        if (keyCells.GetCells().size() != tableInfo.KeyColumnTypes.size()) { 
-            status = NKikimrTxDataShard::TEvEraseRowsResponse::SCHEME_ERROR; 
-            error = "Cell count doesn't match row scheme"; 
-            return EStatus::Error; 
-        } 
- 
-        ui64 keyBytes = 0; 
-        TVector<TRawTypeValue> key; 
-        for (size_t ki : xrange(tableInfo.KeyColumnTypes.size())) { 
-            const auto& kt = tableInfo.KeyColumnTypes[ki]; 
-            const TCell& cell = keyCells.GetCells()[ki]; 
- 
-            if (kt == NScheme::NTypeIds::Uint8 && !cell.IsNull() && cell.AsValue<ui8>() > 127) { 
-                status = NKikimrTxDataShard::TEvEraseRowsResponse::BAD_REQUEST; 
-                error = "Keys with Uint8 column values >127 are currently prohibited"; 
-                return EStatus::Error; 
-            } 
- 
-            keyBytes += cell.Size(); 
-            key.emplace_back(TRawTypeValue(cell.AsRef(), kt)); 
-        } 
- 
-        if (keyBytes > NLimits::MaxWriteKeySize) { 
-            status = NKikimrTxDataShard::TEvEraseRowsResponse::BAD_REQUEST; 
-            error = TStringBuilder() << "Key is too big" 
-                << ": actual " << keyBytes << " bytes" 
-                << ", limit " << NLimits::MaxWriteKeySize << " bytes"; 
-            return EStatus::Error; 
-        } 
- 
-        if (!params) { 
-            continue; 
-        } 
- 
-        if (condition) { 
-            NTable::TRowState row; 
-            const auto ready = params.Txc->DB.Select(localTableId, key, condition->Tags(), row, 0, params.ReadVersion); 
- 
-            switch (ready) { 
-            case NTable::EReady::Page: 
-                pageFault = true; 
-                break; 
-            case NTable::EReady::Gone: 
-                continue; 
-            case NTable::EReady::Data: 
-                if (!condition->Check(row)) { 
-                    continue; 
-                } 
-                break; 
-            } 
-        } 
- 
-        Y_VERIFY(params.Tx->ChangeCollector); 
+    Y_VERIFY(tableInfo.LocalTid == localTableId);
+
+    if (request.GetSchemaVersion() && tableInfo.GetTableSchemaVersion()
+        && request.GetSchemaVersion() != tableInfo.GetTableSchemaVersion()) {
+
+        status = NKikimrTxDataShard::TEvEraseRowsResponse::SCHEME_ERROR;
+        error = TStringBuilder() << "Schema version mismatch"
+            << ": got " << request.GetSchemaVersion()
+            << ", expected " << tableInfo.GetTableSchemaVersion();
+        return EStatus::Error;
+    }
+
+    if (request.KeyColumnIdsSize() != tableInfo.KeyColumnIds.size()) {
+        status = NKikimrTxDataShard::TEvEraseRowsResponse::SCHEME_ERROR;
+        error = TStringBuilder() << "Key column count mismatch"
+            << ": got " << request.KeyColumnIdsSize()
+            << ", expected " << tableInfo.KeyColumnIds.size();
+        return EStatus::Error;
+    }
+
+    for (size_t i = 0; i < tableInfo.KeyColumnIds.size(); ++i) {
+        if (request.GetKeyColumnIds(i) != tableInfo.KeyColumnIds[i]) {
+            status = NKikimrTxDataShard::TEvEraseRowsResponse::SCHEME_ERROR;
+            error = TStringBuilder() << "Key column schema mismatch at position: " << i;
+            return EStatus::Error;
+        }
+    }
+
+    THolder<IEraseRowsCondition> condition;
+    if (params) {
+        condition.Reset(CreateEraseRowsCondition(request));
+        if (condition) {
+            condition->Prepare(params.Txc->DB.GetRowScheme(localTableId), 0);
+        }
+
+        params.Tx->ChangeCollector.Reset(CreateChangeCollector(*self, params.Txc->DB, tableInfo, true));
+        params.Tx->ChangeCollector->SetWriteVersion(params.WriteVersion);
+        if (params.Tx->ChangeCollector->NeedToReadKeys()) {
+            params.Tx->ChangeCollector->SetReadVersion(params.ReadVersion);
+        }
+    }
+
+    bool pageFault = false;
+    for (const auto& serializedKey : request.GetKeyColumns()) {
+        TSerializedCellVec keyCells;
+        if (!TSerializedCellVec::TryParse(serializedKey, keyCells)) {
+            status = NKikimrTxDataShard::TEvEraseRowsResponse::BAD_REQUEST;
+            error = "Cannot parse key";
+            return EStatus::Error;
+        }
+
+        if (keyCells.GetCells().size() != tableInfo.KeyColumnTypes.size()) {
+            status = NKikimrTxDataShard::TEvEraseRowsResponse::SCHEME_ERROR;
+            error = "Cell count doesn't match row scheme";
+            return EStatus::Error;
+        }
+
+        ui64 keyBytes = 0;
+        TVector<TRawTypeValue> key;
+        for (size_t ki : xrange(tableInfo.KeyColumnTypes.size())) {
+            const auto& kt = tableInfo.KeyColumnTypes[ki];
+            const TCell& cell = keyCells.GetCells()[ki];
+
+            if (kt == NScheme::NTypeIds::Uint8 && !cell.IsNull() && cell.AsValue<ui8>() > 127) {
+                status = NKikimrTxDataShard::TEvEraseRowsResponse::BAD_REQUEST;
+                error = "Keys with Uint8 column values >127 are currently prohibited";
+                return EStatus::Error;
+            }
+
+            keyBytes += cell.Size();
+            key.emplace_back(TRawTypeValue(cell.AsRef(), kt));
+        }
+
+        if (keyBytes > NLimits::MaxWriteKeySize) {
+            status = NKikimrTxDataShard::TEvEraseRowsResponse::BAD_REQUEST;
+            error = TStringBuilder() << "Key is too big"
+                << ": actual " << keyBytes << " bytes"
+                << ", limit " << NLimits::MaxWriteKeySize << " bytes";
+            return EStatus::Error;
+        }
+
+        if (!params) {
+            continue;
+        }
+
+        if (condition) {
+            NTable::TRowState row;
+            const auto ready = params.Txc->DB.Select(localTableId, key, condition->Tags(), row, 0, params.ReadVersion);
+
+            switch (ready) {
+            case NTable::EReady::Page:
+                pageFault = true;
+                break;
+            case NTable::EReady::Gone:
+                continue;
+            case NTable::EReady::Data:
+                if (!condition->Check(row)) {
+                    continue;
+                }
+                break;
+            }
+        }
+
+        Y_VERIFY(params.Tx->ChangeCollector);
         if (!params.Tx->ChangeCollector->Collect(fullTableId, NTable::ERowOp::Erase, key, {})) {
-            pageFault = true; 
-        } 
- 
-        if (pageFault) { 
-            continue; 
-        } 
- 
-        self->SysLocksTable().BreakLock(fullTableId, keyCells.GetCells()); 
+            pageFault = true;
+        }
+
+        if (pageFault) {
+            continue;
+        }
+
+        self->SysLocksTable().BreakLock(fullTableId, keyCells.GetCells());
         params.Txc->DB.Update(localTableId, NTable::ERowOp::Erase, key, {}, params.WriteVersion);
-    } 
- 
-    if (pageFault) { 
-        if (params && params.Tx->ChangeCollector) { 
-            params.Tx->ChangeCollector->Reset(); 
-        } 
- 
-        return EStatus::PageFault; 
-    } 
- 
-    status = NKikimrTxDataShard::TEvEraseRowsResponse::OK; 
-    return EStatus::Success; 
-} 
- 
+    }
+
+    if (pageFault) {
+        if (params && params.Tx->ChangeCollector) {
+            params.Tx->ChangeCollector->Reset();
+        }
+
+        return EStatus::PageFault;
+    }
+
+    status = NKikimrTxDataShard::TEvEraseRowsResponse::OK;
+    return EStatus::Success;
+}
+
 bool TDirectTxErase::CheckRequest(TDataShard* self, const NKikimrTxDataShard::TEvEraseRowsRequest& request,
-        NKikimrTxDataShard::TEvEraseRowsResponse::EStatus& status, TString& error) 
-{ 
-    const auto result = CheckedExecute(self, TExecuteParams::ForCheck(), request, status, error); 
-    switch (result) { 
-    case EStatus::Success: 
-        return true; 
-    case EStatus::Error: 
-        return false; 
-    case EStatus::PageFault: 
-        Y_FAIL("Unexpected"); 
-    } 
-} 
- 
+        NKikimrTxDataShard::TEvEraseRowsResponse::EStatus& status, TString& error)
+{
+    const auto result = CheckedExecute(self, TExecuteParams::ForCheck(), request, status, error);
+    switch (result) {
+    case EStatus::Success:
+        return true;
+    case EStatus::Error:
+        return false;
+    case EStatus::PageFault:
+        Y_FAIL("Unexpected");
+    }
+}
+
 bool TDirectTxErase::Execute(TDataShard* self, TTransactionContext& txc,
-        const TRowVersion& readVersion, const TRowVersion& writeVersion) 
-{ 
-    const auto& record = Ev->Get()->Record; 
- 
+        const TRowVersion& readVersion, const TRowVersion& writeVersion)
+{
+    const auto& record = Ev->Get()->Record;
+
     Result = MakeHolder<TEvDataShard::TEvEraseRowsResponse>();
-    Result->Record.SetTabletID(self->TabletID()); 
- 
-    const auto params = TExecuteParams::ForExecute(this, &txc, readVersion, writeVersion); 
-    NKikimrTxDataShard::TEvEraseRowsResponse::EStatus status; 
-    TString error; 
- 
-    const auto result = CheckedExecute(self, params, record, status, error); 
-    switch (result) { 
-    case EStatus::Success: 
-    case EStatus::Error: 
-        break; 
-    case EStatus::PageFault: 
-        return false; 
-    } 
- 
-    Result->Record.SetStatus(status); 
-    Result->Record.SetErrorDescription(error); 
- 
-    self->IncCounter(COUNTER_ERASE_ROWS, record.GetKeyColumns().size()); 
-    if (self->GetUserTables().contains(record.GetTableId())) { 
-        self->GetUserTables().at(record.GetTableId())->Stats.UpdateTime = TAppData::TimeProvider->Now(); 
-    } 
- 
-    return true; 
-} 
- 
+    Result->Record.SetTabletID(self->TabletID());
+
+    const auto params = TExecuteParams::ForExecute(this, &txc, readVersion, writeVersion);
+    NKikimrTxDataShard::TEvEraseRowsResponse::EStatus status;
+    TString error;
+
+    const auto result = CheckedExecute(self, params, record, status, error);
+    switch (result) {
+    case EStatus::Success:
+    case EStatus::Error:
+        break;
+    case EStatus::PageFault:
+        return false;
+    }
+
+    Result->Record.SetStatus(status);
+    Result->Record.SetErrorDescription(error);
+
+    self->IncCounter(COUNTER_ERASE_ROWS, record.GetKeyColumns().size());
+    if (self->GetUserTables().contains(record.GetTableId())) {
+        self->GetUserTables().at(record.GetTableId())->Stats.UpdateTime = TAppData::TimeProvider->Now();
+    }
+
+    return true;
+}
+
 void TDirectTxErase::SendResult(TDataShard* self, const TActorContext& ctx) {
-    Y_VERIFY(Result); 
- 
-    if (Result->Record.GetStatus() == NKikimrTxDataShard::TEvEraseRowsResponse::OK) { 
-        self->IncCounter(COUNTER_ERASE_ROWS_SUCCESS); 
-    } else { 
-        self->IncCounter(COUNTER_ERASE_ROWS_ERROR); 
-    } 
- 
-    ctx.Send(Ev->Sender, std::move(Result)); 
-} 
- 
-TVector<NMiniKQL::IChangeCollector::TChange> TDirectTxErase::GetCollectedChanges() const { 
-    if (!ChangeCollector) { 
-        return {}; 
-    } 
- 
-    auto changes = std::move(ChangeCollector->GetCollected()); 
-    return changes; 
-} 
- 
+    Y_VERIFY(Result);
+
+    if (Result->Record.GetStatus() == NKikimrTxDataShard::TEvEraseRowsResponse::OK) {
+        self->IncCounter(COUNTER_ERASE_ROWS_SUCCESS);
+    } else {
+        self->IncCounter(COUNTER_ERASE_ROWS_ERROR);
+    }
+
+    ctx.Send(Ev->Sender, std::move(Result));
+}
+
+TVector<NMiniKQL::IChangeCollector::TChange> TDirectTxErase::GetCollectedChanges() const {
+    if (!ChangeCollector) {
+        return {};
+    }
+
+    auto changes = std::move(ChangeCollector->GetCollected());
+    return changes;
+}
+
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/datashard_direct_erase.h b/ydb/core/tx/datashard/datashard_direct_erase.h
index 803854a434..689b868a36 100644
--- a/ydb/core/tx/datashard/datashard_direct_erase.h
+++ b/ydb/core/tx/datashard/datashard_direct_erase.h
@@ -1,74 +1,74 @@
-#pragma once 
- 
-#include "datashard_direct_transaction.h" 
- 
-namespace NKikimr { 
+#pragma once
+
+#include "datashard_direct_transaction.h"
+
+namespace NKikimr {
 namespace NDataShard {
- 
-class TDirectTxErase : public IDirectTx { 
-    using IChangeCollector = NMiniKQL::IChangeCollector; 
- 
-    TEvDataShard::TEvEraseRowsRequest::TPtr Ev; 
-    THolder<TEvDataShard::TEvEraseRowsResponse> Result; 
-    THolder<IChangeCollector> ChangeCollector; 
- 
-    enum class EStatus { 
-        Success, 
-        Error, 
-        PageFault, 
-    }; 
- 
-    struct TExecuteParams { 
-        TDirectTxErase* const Tx; 
-        TTransactionContext* const Txc; 
-        const TRowVersion ReadVersion; 
-        const TRowVersion WriteVersion; 
- 
-    private: 
-        explicit TExecuteParams(TDirectTxErase* tx, TTransactionContext* txc, 
-                const TRowVersion& readVersion, const TRowVersion& writeVersion) 
-            : Tx(tx) 
-            , Txc(txc) 
-            , ReadVersion(readVersion) 
-            , WriteVersion(writeVersion) 
-        { 
-        } 
- 
-    public: 
-        static TExecuteParams ForCheck() { 
-            return TExecuteParams(nullptr, nullptr, TRowVersion(), TRowVersion()); 
-        } 
- 
-        template <typename... Args> 
-        static TExecuteParams ForExecute(Args&&... args) { 
-            return TExecuteParams(std::forward<Args>(args)...); 
-        } 
- 
-        explicit operator bool() const { 
-            if (!Tx || !Txc) { 
-                Y_VERIFY(!Tx && !Txc); 
-                return false; 
-            } 
- 
-            return true; 
-        } 
-    }; 
- 
-    static EStatus CheckedExecute( 
-        TDataShard* self, const TExecuteParams& params, 
-        const NKikimrTxDataShard::TEvEraseRowsRequest& request, 
-        NKikimrTxDataShard::TEvEraseRowsResponse::EStatus& status, TString& error); 
- 
-public: 
-    explicit TDirectTxErase(TEvDataShard::TEvEraseRowsRequest::TPtr& ev); 
- 
+
+class TDirectTxErase : public IDirectTx {
+    using IChangeCollector = NMiniKQL::IChangeCollector;
+
+    TEvDataShard::TEvEraseRowsRequest::TPtr Ev;
+    THolder<TEvDataShard::TEvEraseRowsResponse> Result;
+    THolder<IChangeCollector> ChangeCollector;
+
+    enum class EStatus {
+        Success,
+        Error,
+        PageFault,
+    };
+
+    struct TExecuteParams {
+        TDirectTxErase* const Tx;
+        TTransactionContext* const Txc;
+        const TRowVersion ReadVersion;
+        const TRowVersion WriteVersion;
+
+    private:
+        explicit TExecuteParams(TDirectTxErase* tx, TTransactionContext* txc,
+                const TRowVersion& readVersion, const TRowVersion& writeVersion)
+            : Tx(tx)
+            , Txc(txc)
+            , ReadVersion(readVersion)
+            , WriteVersion(writeVersion)
+        {
+        }
+
+    public:
+        static TExecuteParams ForCheck() {
+            return TExecuteParams(nullptr, nullptr, TRowVersion(), TRowVersion());
+        }
+
+        template <typename... Args>
+        static TExecuteParams ForExecute(Args&&... args) {
+            return TExecuteParams(std::forward<Args>(args)...);
+        }
+
+        explicit operator bool() const {
+            if (!Tx || !Txc) {
+                Y_VERIFY(!Tx && !Txc);
+                return false;
+            }
+
+            return true;
+        }
+    };
+
+    static EStatus CheckedExecute(
+        TDataShard* self, const TExecuteParams& params,
+        const NKikimrTxDataShard::TEvEraseRowsRequest& request,
+        NKikimrTxDataShard::TEvEraseRowsResponse::EStatus& status, TString& error);
+
+public:
+    explicit TDirectTxErase(TEvDataShard::TEvEraseRowsRequest::TPtr& ev);
+
     static bool CheckRequest(TDataShard* self, const NKikimrTxDataShard::TEvEraseRowsRequest& request,
-        NKikimrTxDataShard::TEvEraseRowsResponse::EStatus& status, TString& error); 
- 
+        NKikimrTxDataShard::TEvEraseRowsResponse::EStatus& status, TString& error);
+
     bool Execute(TDataShard* self, TTransactionContext& txc, const TRowVersion& readVersion, const TRowVersion& writeVersion) override;
     void SendResult(TDataShard* self, const TActorContext& ctx) override;
-    TVector<IChangeCollector::TChange> GetCollectedChanges() const override; 
-}; 
- 
+    TVector<IChangeCollector::TChange> GetCollectedChanges() const override;
+};
+
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/datashard_direct_transaction.cpp b/ydb/core/tx/datashard/datashard_direct_transaction.cpp
index 85de468881..145f0936cd 100644
--- a/ydb/core/tx/datashard/datashard_direct_transaction.cpp
+++ b/ydb/core/tx/datashard/datashard_direct_transaction.cpp
@@ -1,22 +1,22 @@
 #include "datashard_direct_transaction.h"
-#include "datashard_direct_erase.h" 
-#include "datashard_direct_upload.h" 
+#include "datashard_direct_erase.h"
+#include "datashard_direct_upload.h"
 
 namespace NKikimr {
 namespace NDataShard {
 
-TDirectTransaction::TDirectTransaction(ui64 txId, TInstant receivedAt, ui64 tieBreakerIndex, TEvDataShard::TEvUploadRowsRequest::TPtr& ev) 
-    : TOperation(TBasicOpInfo(txId, EOperationKind::DirectTx, Flags, 0, receivedAt, tieBreakerIndex)) 
-    , Impl(new TDirectTxUpload(ev)) 
-{ 
-} 
-
-TDirectTransaction::TDirectTransaction(ui64 txId, TInstant receivedAt, ui64 tieBreakerIndex, TEvDataShard::TEvEraseRowsRequest::TPtr& ev) 
-    : TOperation(TBasicOpInfo(txId, EOperationKind::DirectTx, Flags, 0, receivedAt, tieBreakerIndex)) 
-    , Impl(new TDirectTxErase(ev)) 
-{ 
-} 
- 
+TDirectTransaction::TDirectTransaction(ui64 txId, TInstant receivedAt, ui64 tieBreakerIndex, TEvDataShard::TEvUploadRowsRequest::TPtr& ev)
+    : TOperation(TBasicOpInfo(txId, EOperationKind::DirectTx, Flags, 0, receivedAt, tieBreakerIndex))
+    , Impl(new TDirectTxUpload(ev))
+{
+}
+
+TDirectTransaction::TDirectTransaction(ui64 txId, TInstant receivedAt, ui64 tieBreakerIndex, TEvDataShard::TEvEraseRowsRequest::TPtr& ev)
+    : TOperation(TBasicOpInfo(txId, EOperationKind::DirectTx, Flags, 0, receivedAt, tieBreakerIndex))
+    , Impl(new TDirectTxErase(ev))
+{
+}
+
 void TDirectTransaction::BuildExecutionPlan(bool loaded)
 {
     Y_VERIFY(GetExecutionPlan().empty());
@@ -24,7 +24,7 @@ void TDirectTransaction::BuildExecutionPlan(bool loaded)
 
     TVector<EExecutionUnitKind> plan;
     plan.push_back(EExecutionUnitKind::BuildAndWaitDependencies);
-    plan.push_back(EExecutionUnitKind::DirectOp); 
+    plan.push_back(EExecutionUnitKind::DirectOp);
     plan.push_back(EExecutionUnitKind::CompletedOperations);
 
     RewriteExecutionPlan(plan);
@@ -40,12 +40,12 @@ bool TDirectTransaction::Execute(TDataShard* self, TTransactionContext& txc) {
 }
 
 void TDirectTransaction::SendResult(TDataShard* self, const TActorContext& ctx) {
-    Impl->SendResult(self, ctx); 
+    Impl->SendResult(self, ctx);
+}
+
+TVector<NMiniKQL::IChangeCollector::TChange> TDirectTransaction::GetCollectedChanges() const {
+    return Impl->GetCollectedChanges();
 }
 
-TVector<NMiniKQL::IChangeCollector::TChange> TDirectTransaction::GetCollectedChanges() const { 
-    return Impl->GetCollectedChanges(); 
-} 
- 
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/datashard_direct_transaction.h b/ydb/core/tx/datashard/datashard_direct_transaction.h
index e6b92a58ba..5b42e1f1d7 100644
--- a/ydb/core/tx/datashard/datashard_direct_transaction.h
+++ b/ydb/core/tx/datashard/datashard_direct_transaction.h
@@ -11,32 +11,32 @@
 namespace NKikimr {
 namespace NDataShard {
 
-class IDirectTx { 
+class IDirectTx {
 public:
-    virtual ~IDirectTx() = default; 
+    virtual ~IDirectTx() = default;
     virtual bool Execute(TDataShard* self, TTransactionContext& txc, const TRowVersion& readVersion, const TRowVersion& writeVersion) = 0;
     virtual void SendResult(TDataShard* self, const TActorContext& ctx) = 0;
-    virtual TVector<NMiniKQL::IChangeCollector::TChange> GetCollectedChanges() const = 0; 
-}; 
+    virtual TVector<NMiniKQL::IChangeCollector::TChange> GetCollectedChanges() const = 0;
+};
 
-class TDirectTransaction : public TOperation { 
+class TDirectTransaction : public TOperation {
 public:
-    TDirectTransaction(ui64 txId, TInstant receivedAt, ui64 tieBreakerIndex, TEvDataShard::TEvUploadRowsRequest::TPtr& ev); 
-    TDirectTransaction(ui64 txId, TInstant receivedAt, ui64 tieBreakerIndex, TEvDataShard::TEvEraseRowsRequest::TPtr& ev); 
+    TDirectTransaction(ui64 txId, TInstant receivedAt, ui64 tieBreakerIndex, TEvDataShard::TEvUploadRowsRequest::TPtr& ev);
+    TDirectTransaction(ui64 txId, TInstant receivedAt, ui64 tieBreakerIndex, TEvDataShard::TEvEraseRowsRequest::TPtr& ev);
 
     void BuildExecutionPlan(bool) override;
 
 private:
     bool Execute(TDataShard* self, TTransactionContext& txc);
     void SendResult(TDataShard* self, const TActorContext& ctx);
-    TVector<NMiniKQL::IChangeCollector::TChange> GetCollectedChanges() const; 
+    TVector<NMiniKQL::IChangeCollector::TChange> GetCollectedChanges() const;
 
-    friend class TDirectOpUnit; 
+    friend class TDirectOpUnit;
 
-private: 
-    THolder<IDirectTx> Impl; 
-    static constexpr ui32 Flags = NTxDataShard::TTxFlags::Immediate | NTxDataShard::TTxFlags::GlobalWriter; 
+private:
+    THolder<IDirectTx> Impl;
+    static constexpr ui32 Flags = NTxDataShard::TTxFlags::Immediate | NTxDataShard::TTxFlags::GlobalWriter;
 };
 
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/datashard_direct_upload.cpp b/ydb/core/tx/datashard/datashard_direct_upload.cpp
index e0cc1c28e0..6173c0e218 100644
--- a/ydb/core/tx/datashard/datashard_direct_upload.cpp
+++ b/ydb/core/tx/datashard/datashard_direct_upload.cpp
@@ -1,24 +1,24 @@
-#include "datashard_direct_upload.h" 
+#include "datashard_direct_upload.h"
 
 namespace NKikimr {
 namespace NDataShard {
 
-TDirectTxUpload::TDirectTxUpload(TEvDataShard::TEvUploadRowsRequest::TPtr& ev) 
-    : TCommonUploadOps(ev, true, true) 
-{ 
-} 
- 
+TDirectTxUpload::TDirectTxUpload(TEvDataShard::TEvUploadRowsRequest::TPtr& ev)
+    : TCommonUploadOps(ev, true, true)
+{
+}
+
 bool TDirectTxUpload::Execute(TDataShard* self, TTransactionContext& txc, const TRowVersion& readVersion, const TRowVersion& writeVersion) {
-    return TCommonUploadOps::Execute(self, txc, readVersion, writeVersion); 
+    return TCommonUploadOps::Execute(self, txc, readVersion, writeVersion);
 }
 
 void TDirectTxUpload::SendResult(TDataShard* self, const TActorContext& ctx) {
-    TCommonUploadOps::SendResult(self, ctx); 
+    TCommonUploadOps::SendResult(self, ctx);
+}
+
+TVector<NMiniKQL::IChangeCollector::TChange> TDirectTxUpload::GetCollectedChanges() const {
+    return TCommonUploadOps::GetCollectedChanges();
 }
 
-TVector<NMiniKQL::IChangeCollector::TChange> TDirectTxUpload::GetCollectedChanges() const { 
-    return TCommonUploadOps::GetCollectedChanges(); 
-} 
- 
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/datashard_direct_upload.h b/ydb/core/tx/datashard/datashard_direct_upload.h
index d9ae3f6172..7ca84f19a7 100644
--- a/ydb/core/tx/datashard/datashard_direct_upload.h
+++ b/ydb/core/tx/datashard/datashard_direct_upload.h
@@ -1,22 +1,22 @@
-#pragma once 
- 
-#include "datashard_common_upload.h" 
-#include "datashard_direct_transaction.h" 
- 
-namespace NKikimr { 
+#pragma once
+
+#include "datashard_common_upload.h"
+#include "datashard_direct_transaction.h"
+
+namespace NKikimr {
 namespace NDataShard {
- 
-class TDirectTxUpload : public IDirectTx, 
-                        public TCommonUploadOps< 
-                            TEvDataShard::TEvUploadRowsRequest, 
-                            TEvDataShard::TEvUploadRowsResponse> { 
-public: 
-    explicit TDirectTxUpload(TEvDataShard::TEvUploadRowsRequest::TPtr& ev); 
- 
+
+class TDirectTxUpload : public IDirectTx,
+                        public TCommonUploadOps<
+                            TEvDataShard::TEvUploadRowsRequest,
+                            TEvDataShard::TEvUploadRowsResponse> {
+public:
+    explicit TDirectTxUpload(TEvDataShard::TEvUploadRowsRequest::TPtr& ev);
+
     bool Execute(TDataShard* self, TTransactionContext& txc, const TRowVersion& readVersion, const TRowVersion& writeVersion) override;
     void SendResult(TDataShard* self, const TActorContext& ctx) override;
-    TVector<NMiniKQL::IChangeCollector::TChange> GetCollectedChanges() const override; 
-}; 
- 
+    TVector<NMiniKQL::IChangeCollector::TChange> GetCollectedChanges() const override;
+};
+
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/datashard_distributed_erase.cpp b/ydb/core/tx/datashard/datashard_distributed_erase.cpp
index 3a7be8cd7a..fae7d2edeb 100644
--- a/ydb/core/tx/datashard/datashard_distributed_erase.cpp
+++ b/ydb/core/tx/datashard/datashard_distributed_erase.cpp
@@ -1,6 +1,6 @@
-#include "datashard_distributed_erase.h" 
-#include "datashard_impl.h" 
- 
+#include "datashard_distributed_erase.h"
+#include "datashard_impl.h"
+
 #include <ydb/core/base/appdata.h>
 #include <ydb/core/base/tablet_pipecache.h>
 #include <ydb/core/protos/services.pb.h>
@@ -8,106 +8,106 @@
 #include <ydb/core/tx/tx_proxy/proxy.h>
 #include <ydb/core/tx/tx.h>
 #include <ydb/library/aclib/aclib.h>
- 
-#include <library/cpp/actors/core/actor_bootstrapped.h> 
-#include <library/cpp/actors/core/hfunc.h> 
-#include <library/cpp/actors/core/log.h> 
- 
+
+#include <library/cpp/actors/core/actor_bootstrapped.h>
+#include <library/cpp/actors/core/hfunc.h>
+#include <library/cpp/actors/core/log.h>
+
 #include <ydb/library/yql/public/udf/udf_types.h>
- 
-#include <util/generic/bitmap.h> 
-#include <util/generic/hash_set.h> 
-#include <util/generic/ptr.h> 
-#include <util/string/builder.h> 
- 
-#if defined LOG_T || \ 
-    defined LOG_D || \ 
-    defined LOG_I || \ 
-    defined LOG_N || \ 
-    defined LOG_W || \ 
-    defined LOG_E || \ 
-    defined LOG_C 
-#error log macro redefinition 
-#endif 
- 
-#define LOG_T(stream) LOG_TRACE_S(*TlsActivationContext, NKikimrServices::TX_DATASHARD, "[DistEraser] " << SelfId() << " " << stream) 
-#define LOG_D(stream) LOG_DEBUG_S(*TlsActivationContext, NKikimrServices::TX_DATASHARD, "[DistEraser] " << SelfId() << " " << stream) 
-#define LOG_I(stream) LOG_INFO_S(*TlsActivationContext, NKikimrServices::TX_DATASHARD, "[DistEraser] " << SelfId() << " " << stream) 
-#define LOG_N(stream) LOG_NOTICE_S(*TlsActivationContext, NKikimrServices::TX_DATASHARD, "[DistEraser] " << SelfId() << " " << stream) 
-#define LOG_W(stream) LOG_WARN_S(*TlsActivationContext, NKikimrServices::TX_DATASHARD, "[DistEraser] " << SelfId() << " " << stream) 
-#define LOG_E(stream) LOG_ERROR_S(*TlsActivationContext, NKikimrServices::TX_DATASHARD, "[DistEraser] " << SelfId() << " " << stream) 
-#define LOG_C(stream) LOG_CRIT_S(*TlsActivationContext, NKikimrServices::TX_DATASHARD, "[DistEraser] " << SelfId() << " " << stream) 
- 
-namespace NKikimr { 
+
+#include <util/generic/bitmap.h>
+#include <util/generic/hash_set.h>
+#include <util/generic/ptr.h>
+#include <util/string/builder.h>
+
+#if defined LOG_T || \
+    defined LOG_D || \
+    defined LOG_I || \
+    defined LOG_N || \
+    defined LOG_W || \
+    defined LOG_E || \
+    defined LOG_C
+#error log macro redefinition
+#endif
+
+#define LOG_T(stream) LOG_TRACE_S(*TlsActivationContext, NKikimrServices::TX_DATASHARD, "[DistEraser] " << SelfId() << " " << stream)
+#define LOG_D(stream) LOG_DEBUG_S(*TlsActivationContext, NKikimrServices::TX_DATASHARD, "[DistEraser] " << SelfId() << " " << stream)
+#define LOG_I(stream) LOG_INFO_S(*TlsActivationContext, NKikimrServices::TX_DATASHARD, "[DistEraser] " << SelfId() << " " << stream)
+#define LOG_N(stream) LOG_NOTICE_S(*TlsActivationContext, NKikimrServices::TX_DATASHARD, "[DistEraser] " << SelfId() << " " << stream)
+#define LOG_W(stream) LOG_WARN_S(*TlsActivationContext, NKikimrServices::TX_DATASHARD, "[DistEraser] " << SelfId() << " " << stream)
+#define LOG_E(stream) LOG_ERROR_S(*TlsActivationContext, NKikimrServices::TX_DATASHARD, "[DistEraser] " << SelfId() << " " << stream)
+#define LOG_C(stream) LOG_CRIT_S(*TlsActivationContext, NKikimrServices::TX_DATASHARD, "[DistEraser] " << SelfId() << " " << stream)
+
+namespace NKikimr {
 namespace NDataShard {
- 
-class TDistEraser: public TActorBootstrapped<TDistEraser> { 
-    using TEvResponse = NKikimrTxDataShard::TEvEraseRowsResponse; 
-    using TNavigate = NSchemeCache::TSchemeCacheNavigate; 
-    using TEvNavigate = TEvTxProxySchemeCache::TEvNavigateKeySet; 
-    using TResolve = NSchemeCache::TSchemeCacheRequest; 
-    using TEvResolve = TEvTxProxySchemeCache::TEvResolveKeySet; 
- 
-    class TTableInfo { 
-        template <typename T, typename TExtractor> 
-        static TVector<T> MakeKeyColumnSmth(const TNavigate::TEntry& entry, TExtractor extractor) { 
-            TVector<T> result; 
- 
-            for (const auto& [_, column] : entry.Columns) { 
-                if (column.KeyOrder < 0) { 
-                    continue; 
-                } 
- 
-                if (result.size() <= static_cast<ui32>(column.KeyOrder)) { 
-                    result.resize(column.KeyOrder + 1); 
-                } 
- 
-                result[column.KeyOrder] = extractor(column); 
-            } 
- 
-            return result; 
-        } 
- 
-        static TKeyMap MakeSelfKeyMap(const TNavigate::TEntry& entry) { 
-            return MakeKeyColumnSmth<std::pair<ui32, ui32>>(entry, [](auto column) { 
-                return std::make_pair(column.Id, column.Id); 
-            }); 
-        } 
- 
-        static TVector<NUdf::TDataTypeId> MakeKeyColumnTypes(const TNavigate::TEntry& entry) { 
-            return MakeKeyColumnSmth<NUdf::TDataTypeId>(entry, [](auto column) { 
-                return column.PType; 
-            }); 
-        } 
- 
-        static TSerializedTableRange GetFullRange(ui32 keyColumnsCount) { 
-            TVector<TCell> fromValues(keyColumnsCount); 
-            TVector<TCell> toValues; 
-            return TSerializedTableRange(fromValues, true, toValues, false); 
-        } 
- 
-        static THolder<TKeyDesc> MakeKeyDesc(const TNavigate::TEntry& entry) { 
-            const TVector<NUdf::TDataTypeId> keyColumnTypes = MakeKeyColumnTypes(entry); 
-            return MakeHolder<TKeyDesc>( 
-                entry.TableId, 
-                GetFullRange(keyColumnTypes.size()).ToTableRange(), 
-                TKeyDesc::ERowOperation::Erase, 
-                keyColumnTypes, 
-                TVector<TKeyDesc::TColumnOp>() 
-            ); 
-        } 
- 
-    public: 
-        explicit TTableInfo(const TNavigate::TEntry& entry, const TKeyMap& keyMap) 
-            : KeyMap(keyMap ? keyMap : MakeSelfKeyMap(entry)) 
-            , KeyDesc(MakeKeyDesc(entry)) 
-        { 
-        } 
- 
-        const TKeyMap& GetKeyMap() const { 
-            return KeyMap; 
-        } 
- 
+
+class TDistEraser: public TActorBootstrapped<TDistEraser> {
+    using TEvResponse = NKikimrTxDataShard::TEvEraseRowsResponse;
+    using TNavigate = NSchemeCache::TSchemeCacheNavigate;
+    using TEvNavigate = TEvTxProxySchemeCache::TEvNavigateKeySet;
+    using TResolve = NSchemeCache::TSchemeCacheRequest;
+    using TEvResolve = TEvTxProxySchemeCache::TEvResolveKeySet;
+
+    class TTableInfo {
+        template <typename T, typename TExtractor>
+        static TVector<T> MakeKeyColumnSmth(const TNavigate::TEntry& entry, TExtractor extractor) {
+            TVector<T> result;
+
+            for (const auto& [_, column] : entry.Columns) {
+                if (column.KeyOrder < 0) {
+                    continue;
+                }
+
+                if (result.size() <= static_cast<ui32>(column.KeyOrder)) {
+                    result.resize(column.KeyOrder + 1);
+                }
+
+                result[column.KeyOrder] = extractor(column);
+            }
+
+            return result;
+        }
+
+        static TKeyMap MakeSelfKeyMap(const TNavigate::TEntry& entry) {
+            return MakeKeyColumnSmth<std::pair<ui32, ui32>>(entry, [](auto column) {
+                return std::make_pair(column.Id, column.Id);
+            });
+        }
+
+        static TVector<NUdf::TDataTypeId> MakeKeyColumnTypes(const TNavigate::TEntry& entry) {
+            return MakeKeyColumnSmth<NUdf::TDataTypeId>(entry, [](auto column) {
+                return column.PType;
+            });
+        }
+
+        static TSerializedTableRange GetFullRange(ui32 keyColumnsCount) {
+            TVector<TCell> fromValues(keyColumnsCount);
+            TVector<TCell> toValues;
+            return TSerializedTableRange(fromValues, true, toValues, false);
+        }
+
+        static THolder<TKeyDesc> MakeKeyDesc(const TNavigate::TEntry& entry) {
+            const TVector<NUdf::TDataTypeId> keyColumnTypes = MakeKeyColumnTypes(entry);
+            return MakeHolder<TKeyDesc>(
+                entry.TableId,
+                GetFullRange(keyColumnTypes.size()).ToTableRange(),
+                TKeyDesc::ERowOperation::Erase,
+                keyColumnTypes,
+                TVector<TKeyDesc::TColumnOp>()
+            );
+        }
+
+    public:
+        explicit TTableInfo(const TNavigate::TEntry& entry, const TKeyMap& keyMap)
+            : KeyMap(keyMap ? keyMap : MakeSelfKeyMap(entry))
+            , KeyDesc(MakeKeyDesc(entry))
+        {
+        }
+
+        const TKeyMap& GetKeyMap() const {
+            return KeyMap;
+        }
+
         THolder<TKeyDesc> TakeKeyDesc() {
             return std::move(KeyDesc);
         }
@@ -116,1002 +116,1002 @@ class TDistEraser: public TActorBootstrapped<TDistEraser> {
             KeyDesc = std::move(keyDesc);
         }
 
-        const TKeyDesc* GetKeyDesc() const { 
-            return KeyDesc.Get(); 
-        } 
- 
+        const TKeyDesc* GetKeyDesc() const {
+            return KeyDesc.Get();
+        }
+
     public:
         uintptr_t ToUserDataHandle() {
             return reinterpret_cast<uintptr_t>(this);
-        } 
- 
+        }
+
         static TTableInfo& FromUserDataHandle(uintptr_t userData) {
             return *reinterpret_cast<TTableInfo*>(userData);
         }
 
-    private: 
-        const TKeyMap KeyMap; 
-        THolder<TKeyDesc> KeyDesc; 
- 
-    }; // TTableInfo 
- 
-    class TShardKeys { 
-    public: 
-        void Add(TString&& key, size_t row) { 
-            Keys.emplace_back(std::move(key)); 
-            PresentRows.Set(row); 
-        } 
- 
-        TVector<TString>& GetKeys() { 
-            return Keys; 
-        } 
- 
-        const TDynBitMap& GetPresentRows() const { 
-            return PresentRows; 
-        } 
- 
-    private: 
-        TVector<TString> Keys; 
-        TDynBitMap PresentRows; 
-    }; // TShardKeys 
- 
-    void Reply(TEvResponse::EStatus status = TEvResponse::OK, const TString& error = TString()) { 
-        const TString done = TStringBuilder() << "Reply" 
-            << ": txId# " << TxId 
-            << ", status# " << status 
-            << ", error# " << error; 
- 
-        if (status == TEvResponse::OK) { 
-            LOG_D(done); 
-        } else { 
-            LOG_E(done); 
-        } 
- 
-        auto response = MakeHolder<TEvDataShard::TEvEraseRowsResponse>(); 
-        auto& record = response->Record; 
-        record.SetStatus(status); 
-        record.SetErrorDescription(error); 
- 
-        Send(ReplyTo, std::move(response)); 
-        PassAway(); 
-    } 
- 
-    void SchemeError(const TString& error) { 
-        Reply(TEvResponse::SCHEME_ERROR, error); 
-    } 
- 
-    void BadRequest(const TString& error) { 
-        Reply(TEvResponse::BAD_REQUEST, error); 
-    } 
- 
-    void ExecError(const TString& error) { 
-        Reply(TEvResponse::EXEC_ERROR, error); 
-    } 
- 
-    void CoordinatorDeclined(const TString& error) { 
-        Reply(TEvResponse::COORDINATOR_DECLINED, error); 
-    } 
- 
-    void CoordinatorUnknown(const TString& error) { 
-        Reply(TEvResponse::COORDINATOR_UNKNOWN, error); 
-    } 
- 
-    void ShardUnknown(const TString& error) { 
-        Reply(TEvResponse::SHARD_UNKNOWN, error); 
-    } 
- 
-    void DeliveryProblem() { 
-        Reply(TEvResponse::UNKNOWN, "Unexpected delivery problem"); 
-    } 
- 
-    template <typename T> 
-    bool CheckNotEmpty(const TAutoPtr<T>& result, const TStringBuf marker) { 
-        if (result) { 
-            return true; 
-        } 
- 
-        SchemeError(TStringBuilder() << "Empty result from scheme cache at '" << marker << "'"); 
-        return false; 
-    } 
- 
-    template <typename T> 
-    bool CheckEntriesCount(const TAutoPtr<T>& result, const TStringBuf marker, ui32 expected) { 
-        if (result->ResultSet.size() == expected) { 
-            return true; 
-        } 
- 
-        SchemeError(TStringBuilder() << "Entries count mismatch at '" << marker << "'" 
-            << ": expected# " << expected 
-            << ", actual# " << result->ResultSet.size() 
-            << ", result# " << result->ToString(*AppData()->TypeRegistry)); 
-        return false; 
-    } 
- 
-    static bool IsSucceeded(TNavigate::EStatus status) { 
-        return status == TNavigate::EStatus::Ok; 
-    } 
- 
-    static bool IsSucceeded(TResolve::EStatus status) { 
-        return status == TResolve::EStatus::OkData; 
-    } 
- 
-    static TTableId GetTableId(const TNavigate::TEntry& entry) { 
-        return entry.TableId; 
-    } 
- 
-    static TTableId GetTableId(const TResolve::TEntry& entry) { 
-        return entry.KeyDescription->TableId; 
-    } 
- 
-    template <typename T> 
-    bool CheckEntrySucceeded(const T& entry, const TStringBuf marker) { 
-        if (IsSucceeded(entry.Status)) { 
-            return true; 
-        } 
- 
-        SchemeError(TStringBuilder() << "Failed to resolve table at '" << marker << "'" 
-            << ": tableId# " << GetTableId(entry) 
-            << ", status# " << entry.Status); 
-        return false; 
-    } 
- 
-    static TNavigate::TEntry MakeNavigateEntry(const TTableId& tableId) { 
-        TNavigate::TEntry entry; 
-        entry.RequestType = TNavigate::TEntry::ERequestType::ByTableId; 
-        entry.TableId = tableId; 
-        entry.Operation = TNavigate::OpTable; 
-        entry.ShowPrivatePath = true; 
-        return entry; 
-    } 
- 
-    void AddTableInfo(const TNavigate::TEntry& entry, const TKeyMap& keyMap = {}) { 
-        Y_VERIFY_DEBUG(!TableInfos.contains(entry.TableId)); 
-        TableInfos.emplace(entry.TableId, TTableInfo(entry, keyMap)); 
-    } 
- 
-    static ui64 GetShardId(const TTableRange& range, const TKeyDesc* keyDesc) { 
-        Y_VERIFY(range.Point); 
-        Y_VERIFY(!keyDesc->Partitions.empty()); 
- 
-        TVector<TKeyDesc::TPartitionInfo>::const_iterator it = LowerBound( 
-            keyDesc->Partitions.begin(), keyDesc->Partitions.end(), true, 
-            [&](const TKeyDesc::TPartitionInfo& partition, bool) { 
-                const int compares = CompareBorders<true, false>( 
-                    partition.Range->EndKeyPrefix.GetCells(), range.From, 
-                    partition.Range->IsInclusive || partition.Range->IsPoint, 
-                    range.InclusiveFrom || range.Point, keyDesc->KeyColumnTypes 
-                ); 
- 
-                return (compares < 0); 
-            } 
-        ); 
- 
-        Y_VERIFY(it != keyDesc->Partitions.end()); 
-        return it->ShardId; 
-    } 
- 
-    void CancelProposal(ui64 exceptShardId = 0) { 
-        for (const ui64 shardId : Shards) { 
-            if (shardId == exceptShardId) { 
-                continue; 
-            } 
- 
-            LOG_D("Cancel proposal" 
-                << ": txId# " << TxId 
-                << ", shard# " << shardId); 
- 
-            auto cancel = MakeHolder<TEvDataShard::TEvCancelTransactionProposal>(TxId); 
+    private:
+        const TKeyMap KeyMap;
+        THolder<TKeyDesc> KeyDesc;
+
+    }; // TTableInfo
+
+    class TShardKeys {
+    public:
+        void Add(TString&& key, size_t row) {
+            Keys.emplace_back(std::move(key));
+            PresentRows.Set(row);
+        }
+
+        TVector<TString>& GetKeys() {
+            return Keys;
+        }
+
+        const TDynBitMap& GetPresentRows() const {
+            return PresentRows;
+        }
+
+    private:
+        TVector<TString> Keys;
+        TDynBitMap PresentRows;
+    }; // TShardKeys
+
+    void Reply(TEvResponse::EStatus status = TEvResponse::OK, const TString& error = TString()) {
+        const TString done = TStringBuilder() << "Reply"
+            << ": txId# " << TxId
+            << ", status# " << status
+            << ", error# " << error;
+
+        if (status == TEvResponse::OK) {
+            LOG_D(done);
+        } else {
+            LOG_E(done);
+        }
+
+        auto response = MakeHolder<TEvDataShard::TEvEraseRowsResponse>();
+        auto& record = response->Record;
+        record.SetStatus(status);
+        record.SetErrorDescription(error);
+
+        Send(ReplyTo, std::move(response));
+        PassAway();
+    }
+
+    void SchemeError(const TString& error) {
+        Reply(TEvResponse::SCHEME_ERROR, error);
+    }
+
+    void BadRequest(const TString& error) {
+        Reply(TEvResponse::BAD_REQUEST, error);
+    }
+
+    void ExecError(const TString& error) {
+        Reply(TEvResponse::EXEC_ERROR, error);
+    }
+
+    void CoordinatorDeclined(const TString& error) {
+        Reply(TEvResponse::COORDINATOR_DECLINED, error);
+    }
+
+    void CoordinatorUnknown(const TString& error) {
+        Reply(TEvResponse::COORDINATOR_UNKNOWN, error);
+    }
+
+    void ShardUnknown(const TString& error) {
+        Reply(TEvResponse::SHARD_UNKNOWN, error);
+    }
+
+    void DeliveryProblem() {
+        Reply(TEvResponse::UNKNOWN, "Unexpected delivery problem");
+    }
+
+    template <typename T>
+    bool CheckNotEmpty(const TAutoPtr<T>& result, const TStringBuf marker) {
+        if (result) {
+            return true;
+        }
+
+        SchemeError(TStringBuilder() << "Empty result from scheme cache at '" << marker << "'");
+        return false;
+    }
+
+    template <typename T>
+    bool CheckEntriesCount(const TAutoPtr<T>& result, const TStringBuf marker, ui32 expected) {
+        if (result->ResultSet.size() == expected) {
+            return true;
+        }
+
+        SchemeError(TStringBuilder() << "Entries count mismatch at '" << marker << "'"
+            << ": expected# " << expected
+            << ", actual# " << result->ResultSet.size()
+            << ", result# " << result->ToString(*AppData()->TypeRegistry));
+        return false;
+    }
+
+    static bool IsSucceeded(TNavigate::EStatus status) {
+        return status == TNavigate::EStatus::Ok;
+    }
+
+    static bool IsSucceeded(TResolve::EStatus status) {
+        return status == TResolve::EStatus::OkData;
+    }
+
+    static TTableId GetTableId(const TNavigate::TEntry& entry) {
+        return entry.TableId;
+    }
+
+    static TTableId GetTableId(const TResolve::TEntry& entry) {
+        return entry.KeyDescription->TableId;
+    }
+
+    template <typename T>
+    bool CheckEntrySucceeded(const T& entry, const TStringBuf marker) {
+        if (IsSucceeded(entry.Status)) {
+            return true;
+        }
+
+        SchemeError(TStringBuilder() << "Failed to resolve table at '" << marker << "'"
+            << ": tableId# " << GetTableId(entry)
+            << ", status# " << entry.Status);
+        return false;
+    }
+
+    static TNavigate::TEntry MakeNavigateEntry(const TTableId& tableId) {
+        TNavigate::TEntry entry;
+        entry.RequestType = TNavigate::TEntry::ERequestType::ByTableId;
+        entry.TableId = tableId;
+        entry.Operation = TNavigate::OpTable;
+        entry.ShowPrivatePath = true;
+        return entry;
+    }
+
+    void AddTableInfo(const TNavigate::TEntry& entry, const TKeyMap& keyMap = {}) {
+        Y_VERIFY_DEBUG(!TableInfos.contains(entry.TableId));
+        TableInfos.emplace(entry.TableId, TTableInfo(entry, keyMap));
+    }
+
+    static ui64 GetShardId(const TTableRange& range, const TKeyDesc* keyDesc) {
+        Y_VERIFY(range.Point);
+        Y_VERIFY(!keyDesc->Partitions.empty());
+
+        TVector<TKeyDesc::TPartitionInfo>::const_iterator it = LowerBound(
+            keyDesc->Partitions.begin(), keyDesc->Partitions.end(), true,
+            [&](const TKeyDesc::TPartitionInfo& partition, bool) {
+                const int compares = CompareBorders<true, false>(
+                    partition.Range->EndKeyPrefix.GetCells(), range.From,
+                    partition.Range->IsInclusive || partition.Range->IsPoint,
+                    range.InclusiveFrom || range.Point, keyDesc->KeyColumnTypes
+                );
+
+                return (compares < 0);
+            }
+        );
+
+        Y_VERIFY(it != keyDesc->Partitions.end());
+        return it->ShardId;
+    }
+
+    void CancelProposal(ui64 exceptShardId = 0) {
+        for (const ui64 shardId : Shards) {
+            if (shardId == exceptShardId) {
+                continue;
+            }
+
+            LOG_D("Cancel proposal"
+                << ": txId# " << TxId
+                << ", shard# " << shardId);
+
+            auto cancel = MakeHolder<TEvDataShard::TEvCancelTransactionProposal>(TxId);
             Send(LeaderPipeCache, new TEvPipeCache::TEvForward(cancel.Release(), shardId, false));
-        } 
-    } 
- 
-    /// Allocate tx id 
- 
-    void AllocateTxId() { 
-        LOG_D("AllocateTxId"); 
- 
-        Send(MakeTxProxyID(), new TEvTxUserProxy::TEvAllocateTxId); 
-        Become(&TThis::StateAllocateTxId); 
-    } 
- 
-    STATEFN(StateAllocateTxId) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvTxUserProxy::TEvAllocateTxIdResult, Handle); 
-        default: 
-            return StatePrepareBase(ev, TlsActivationContext->AsActorContext()); 
-        } 
-    } 
- 
-    void Handle(TEvTxUserProxy::TEvAllocateTxIdResult::TPtr& ev) { 
-        LOG_D("Handle TEvTxUserProxy::TEvAllocateTxIdResult"); 
- 
-        TxId = ev->Get()->TxId; 
+        }
+    }
+
+    /// Allocate tx id
+
+    void AllocateTxId() {
+        LOG_D("AllocateTxId");
+
+        Send(MakeTxProxyID(), new TEvTxUserProxy::TEvAllocateTxId);
+        Become(&TThis::StateAllocateTxId);
+    }
+
+    STATEFN(StateAllocateTxId) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvTxUserProxy::TEvAllocateTxIdResult, Handle);
+        default:
+            return StatePrepareBase(ev, TlsActivationContext->AsActorContext());
+        }
+    }
+
+    void Handle(TEvTxUserProxy::TEvAllocateTxIdResult::TPtr& ev) {
+        LOG_D("Handle TEvTxUserProxy::TEvAllocateTxIdResult");
+
+        TxId = ev->Get()->TxId;
         LeaderPipeCache = ev->Get()->Services.LeaderPipeCache;
-        Mon = ev->Get()->TxProxyMon; 
- 
-        ResolveTables(); 
-    } 
- 
-    /// Resolve tables 
- 
-    void ResolveTables() { 
-        LOG_D("Resolve tables" 
-            << ": txId# " << TxId); 
- 
-        auto request = MakeHolder<TNavigate>(); 
-        request->ResultSet.emplace_back(MakeNavigateEntry(MainTableId)); 
-        for (const auto& [tableId, _] : Indexes) { 
-            request->ResultSet.emplace_back(MakeNavigateEntry(tableId)); 
-        } 
- 
-        Send(MakeSchemeCacheID(), new TEvNavigate(request.Release())); 
-        Become(&TThis::StateResolveTables); 
-    } 
- 
-    STATEFN(StateResolveTables) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvTxProxySchemeCache::TEvNavigateKeySetResult, Handle); 
-        default: 
-            return StatePrepareBase(ev, TlsActivationContext->AsActorContext()); 
-        } 
-    } 
- 
-    void Handle(TEvTxProxySchemeCache::TEvNavigateKeySetResult::TPtr& ev) { 
-        const auto& request = ev->Get()->Request; 
+        Mon = ev->Get()->TxProxyMon;
+
+        ResolveTables();
+    }
+
+    /// Resolve tables
+
+    void ResolveTables() {
+        LOG_D("Resolve tables"
+            << ": txId# " << TxId);
+
+        auto request = MakeHolder<TNavigate>();
+        request->ResultSet.emplace_back(MakeNavigateEntry(MainTableId));
+        for (const auto& [tableId, _] : Indexes) {
+            request->ResultSet.emplace_back(MakeNavigateEntry(tableId));
+        }
+
+        Send(MakeSchemeCacheID(), new TEvNavigate(request.Release()));
+        Become(&TThis::StateResolveTables);
+    }
+
+    STATEFN(StateResolveTables) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvTxProxySchemeCache::TEvNavigateKeySetResult, Handle);
+        default:
+            return StatePrepareBase(ev, TlsActivationContext->AsActorContext());
+        }
+    }
+
+    void Handle(TEvTxProxySchemeCache::TEvNavigateKeySetResult::TPtr& ev) {
+        const auto& request = ev->Get()->Request;
         const TStringBuf marker = "ResolveTables";
- 
-        LOG_D("Handle TEvTxProxySchemeCache::TEvNavigateKeySetResult" 
-            << ": request# " << (request ? request->ToString(*AppData()->TypeRegistry) : "nullptr")); 
- 
-        if (!CheckNotEmpty(request, marker)) { 
-            return; 
-        } 
- 
-        if (!CheckEntriesCount(request, marker, 1 /* main */ + Indexes.size())) { 
-            return; 
-        } 
- 
-        // main 
-        { 
-            const auto& entry = request->ResultSet.at(0); 
-            if (!CheckEntrySucceeded(entry, marker)) { 
-                return; 
-            } 
- 
-            if (entry.TableId.PathId != MainTableId.PathId) { 
-                return SchemeError(TStringBuilder() << "Main table's path id mismatch" 
-                    << ": expected# " << MainTableId.PathId 
-                    << ", actual# " << entry.TableId.PathId 
-                    << ", entry# " << entry.ToString()); 
-            } 
- 
-            if (entry.TableId.SchemaVersion != MainTableId.SchemaVersion) { 
-                return SchemeError(TStringBuilder() << "Main table's schema version mismatch" 
-                    << ": expected# " << MainTableId.SchemaVersion 
-                    << ", actual# " << entry.TableId.SchemaVersion 
-                    << ", entry# " << entry.ToString()); 
-            } 
- 
-            ui32 nIndexes = 0; 
-            for (const auto& index : entry.Indexes) { 
-                if (index.GetType() == NKikimrSchemeOp::EIndexTypeGlobalAsync) { 
-                    continue; 
-                } 
- 
-                const auto tableId = TTableId(index.GetPathOwnerId(), index.GetLocalPathId(), index.GetSchemaVersion()); 
-                switch (index.GetState()) { 
+
+        LOG_D("Handle TEvTxProxySchemeCache::TEvNavigateKeySetResult"
+            << ": request# " << (request ? request->ToString(*AppData()->TypeRegistry) : "nullptr"));
+
+        if (!CheckNotEmpty(request, marker)) {
+            return;
+        }
+
+        if (!CheckEntriesCount(request, marker, 1 /* main */ + Indexes.size())) {
+            return;
+        }
+
+        // main
+        {
+            const auto& entry = request->ResultSet.at(0);
+            if (!CheckEntrySucceeded(entry, marker)) {
+                return;
+            }
+
+            if (entry.TableId.PathId != MainTableId.PathId) {
+                return SchemeError(TStringBuilder() << "Main table's path id mismatch"
+                    << ": expected# " << MainTableId.PathId
+                    << ", actual# " << entry.TableId.PathId
+                    << ", entry# " << entry.ToString());
+            }
+
+            if (entry.TableId.SchemaVersion != MainTableId.SchemaVersion) {
+                return SchemeError(TStringBuilder() << "Main table's schema version mismatch"
+                    << ": expected# " << MainTableId.SchemaVersion
+                    << ", actual# " << entry.TableId.SchemaVersion
+                    << ", entry# " << entry.ToString());
+            }
+
+            ui32 nIndexes = 0;
+            for (const auto& index : entry.Indexes) {
+                if (index.GetType() == NKikimrSchemeOp::EIndexTypeGlobalAsync) {
+                    continue;
+                }
+
+                const auto tableId = TTableId(index.GetPathOwnerId(), index.GetLocalPathId(), index.GetSchemaVersion());
+                switch (index.GetState()) {
                 case NKikimrSchemeOp::EIndexStateReady:
                 case NKikimrSchemeOp::EIndexStateWriteOnly:
                 case NKikimrSchemeOp::EIndexStateNotReady:
-                    break; 
+                    break;
                 case NKikimrSchemeOp::EIndexStateInvalid:
-                    return SchemeError(TStringBuilder() << "Invalid index state" 
-                        << ": tableId# " << tableId 
-                        << ", name# " << index.GetName()); 
-                default: 
-                    return SchemeError(TStringBuilder() << "Unknown index state" 
-                        << ": tableId# " << tableId 
-                        << ", name# " << index.GetName() 
-                        << ", state# " << static_cast<ui32>(index.GetState())); 
-                } 
- 
-                ++nIndexes; 
-            } 
- 
-            if (nIndexes != Indexes.size()) { 
-                return SchemeError(TStringBuilder() << "Indexes count mismatch" 
-                    << ": expected# " << Indexes.size() 
-                    << ", actual# " << entry.Indexes.size() 
-                    << ", entry# " << entry.ToString()); 
-            } 
- 
-            AddTableInfo(entry); 
-        } 
- 
-        // indexes 
-        THashSet<TTableId> indexesSeen; 
- 
-        for (ui32 i = 1; i < request->ResultSet.size(); ++i) { 
-            const auto& entry = request->ResultSet.at(i); 
-            if (!CheckEntrySucceeded(entry, marker)) { 
-                return; 
-            } 
- 
-            if (!Indexes.contains(entry.TableId)) { 
-                return SchemeError(TStringBuilder() << "Unknown index" 
-                    << " (probably schema version mismatch)" 
-                    << ": tableId# " << entry.TableId 
-                    << ", path# " << JoinPath(entry.Path)); 
-            } 
- 
-            if (!indexesSeen.insert(entry.TableId).second) { 
-                return SchemeError(TStringBuilder() << "Duplicate index" 
-                    << ": tableId# " << entry.TableId 
-                    << ", path# " << JoinPath(entry.Path)); 
-            } 
- 
-            AddTableInfo(entry, Indexes.at(entry.TableId)); 
-        } 
- 
-        if (indexesSeen.size() != Indexes.size()) { 
-            return SchemeError(TStringBuilder() << "Incomplete indexes" 
-                << ": expected# " << Indexes.size() 
-                << ", actual# " << indexesSeen.size()); 
-        } 
- 
-        NSchemeCache::TDomainInfo::TPtr domainInfo; 
-        for (const auto& entry : request->ResultSet) { 
-            if (!entry.DomainInfo) { 
-                return SchemeError(TStringBuilder() << "Empty domain info" 
-                    << ": entry# " << entry.ToString()); 
-            } 
- 
-            if (!domainInfo) { 
-                domainInfo = entry.DomainInfo; 
-                continue; 
-            } 
- 
-            if (domainInfo->DomainKey != entry.DomainInfo->DomainKey) { 
-                return SchemeError(TStringBuilder() << "Failed locality check" 
-                    << ": expected# " << domainInfo->DomainKey 
-                    << ", actual# " << entry.DomainInfo->DomainKey 
-                    << ", entry# " << entry.ToString()); 
-            } 
-        } 
- 
-        Y_VERIFY(TxId); 
-        SelectedCoordinator = domainInfo->Coordinators.Select(TxId); 
- 
-        ResolveKeys(); 
-    } 
- 
-    /// Resolve keys 
- 
-    void ResolveKeys() { 
-        LOG_D("Resolve keys" 
-            << ": txId# " << TxId); 
- 
-        Y_VERIFY(!TableInfos.empty()); 
- 
-        auto request = MakeHolder<TResolve>(); 
-        for (auto& [_, info] : TableInfos) { 
+                    return SchemeError(TStringBuilder() << "Invalid index state"
+                        << ": tableId# " << tableId
+                        << ", name# " << index.GetName());
+                default:
+                    return SchemeError(TStringBuilder() << "Unknown index state"
+                        << ": tableId# " << tableId
+                        << ", name# " << index.GetName()
+                        << ", state# " << static_cast<ui32>(index.GetState()));
+                }
+
+                ++nIndexes;
+            }
+
+            if (nIndexes != Indexes.size()) {
+                return SchemeError(TStringBuilder() << "Indexes count mismatch"
+                    << ": expected# " << Indexes.size()
+                    << ", actual# " << entry.Indexes.size()
+                    << ", entry# " << entry.ToString());
+            }
+
+            AddTableInfo(entry);
+        }
+
+        // indexes
+        THashSet<TTableId> indexesSeen;
+
+        for (ui32 i = 1; i < request->ResultSet.size(); ++i) {
+            const auto& entry = request->ResultSet.at(i);
+            if (!CheckEntrySucceeded(entry, marker)) {
+                return;
+            }
+
+            if (!Indexes.contains(entry.TableId)) {
+                return SchemeError(TStringBuilder() << "Unknown index"
+                    << " (probably schema version mismatch)"
+                    << ": tableId# " << entry.TableId
+                    << ", path# " << JoinPath(entry.Path));
+            }
+
+            if (!indexesSeen.insert(entry.TableId).second) {
+                return SchemeError(TStringBuilder() << "Duplicate index"
+                    << ": tableId# " << entry.TableId
+                    << ", path# " << JoinPath(entry.Path));
+            }
+
+            AddTableInfo(entry, Indexes.at(entry.TableId));
+        }
+
+        if (indexesSeen.size() != Indexes.size()) {
+            return SchemeError(TStringBuilder() << "Incomplete indexes"
+                << ": expected# " << Indexes.size()
+                << ", actual# " << indexesSeen.size());
+        }
+
+        NSchemeCache::TDomainInfo::TPtr domainInfo;
+        for (const auto& entry : request->ResultSet) {
+            if (!entry.DomainInfo) {
+                return SchemeError(TStringBuilder() << "Empty domain info"
+                    << ": entry# " << entry.ToString());
+            }
+
+            if (!domainInfo) {
+                domainInfo = entry.DomainInfo;
+                continue;
+            }
+
+            if (domainInfo->DomainKey != entry.DomainInfo->DomainKey) {
+                return SchemeError(TStringBuilder() << "Failed locality check"
+                    << ": expected# " << domainInfo->DomainKey
+                    << ", actual# " << entry.DomainInfo->DomainKey
+                    << ", entry# " << entry.ToString());
+            }
+        }
+
+        Y_VERIFY(TxId);
+        SelectedCoordinator = domainInfo->Coordinators.Select(TxId);
+
+        ResolveKeys();
+    }
+
+    /// Resolve keys
+
+    void ResolveKeys() {
+        LOG_D("Resolve keys"
+            << ": txId# " << TxId);
+
+        Y_VERIFY(!TableInfos.empty());
+
+        auto request = MakeHolder<TResolve>();
+        for (auto& [_, info] : TableInfos) {
             auto& entry = request->ResultSet.emplace_back(info.TakeKeyDesc());
             entry.Access = NACLib::EAccessRights::EraseRow;
             entry.UserData = info.ToUserDataHandle();
-        } 
- 
-        Send(MakeSchemeCacheID(), new TEvResolve(request.Release())); 
-        Become(&TThis::StateResolveKeys); 
- 
-        ResolvingKeys = true; 
-    } 
- 
-    STATEFN(StateResolveKeys) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvTxProxySchemeCache::TEvResolveKeySetResult, Handle); 
-        default: 
-            return StatePrepareBase(ev, TlsActivationContext->AsActorContext()); 
-        } 
-    } 
- 
-    void Handle(TEvTxProxySchemeCache::TEvResolveKeySetResult::TPtr& ev) { 
-        ResolvingKeys = false; 
- 
-        if (Cancelled) { 
-            return PassAway(); 
-        } 
- 
-        const auto& request = ev->Get()->Request; 
+        }
+
+        Send(MakeSchemeCacheID(), new TEvResolve(request.Release()));
+        Become(&TThis::StateResolveKeys);
+
+        ResolvingKeys = true;
+    }
+
+    STATEFN(StateResolveKeys) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvTxProxySchemeCache::TEvResolveKeySetResult, Handle);
+        default:
+            return StatePrepareBase(ev, TlsActivationContext->AsActorContext());
+        }
+    }
+
+    void Handle(TEvTxProxySchemeCache::TEvResolveKeySetResult::TPtr& ev) {
+        ResolvingKeys = false;
+
+        if (Cancelled) {
+            return PassAway();
+        }
+
+        const auto& request = ev->Get()->Request;
         const TStringBuf marker = "ResolveKeys";
- 
-        LOG_D("Handle TEvTxProxySchemeCache::TEvResolveKeySetResult" 
-            << ": request# " << (request ? request->ToString(*AppData()->TypeRegistry) : "nullptr")); 
- 
-        if (!CheckNotEmpty(request, marker)) { 
-            return; 
-        } 
- 
-        if (!CheckEntriesCount(request, marker, TableInfos.size())) { 
-            return; 
-        } 
- 
-        for (ui32 i = 0; i < request->ResultSet.size(); ++i) { 
+
+        LOG_D("Handle TEvTxProxySchemeCache::TEvResolveKeySetResult"
+            << ": request# " << (request ? request->ToString(*AppData()->TypeRegistry) : "nullptr"));
+
+        if (!CheckNotEmpty(request, marker)) {
+            return;
+        }
+
+        if (!CheckEntriesCount(request, marker, TableInfos.size())) {
+            return;
+        }
+
+        for (ui32 i = 0; i < request->ResultSet.size(); ++i) {
             auto& entry = request->ResultSet.at(i);
-            if (!CheckEntrySucceeded(entry, marker)) { 
-                return; 
-            } 
- 
-            if (entry.KeyDescription->Partitions.empty()) { 
-                return SchemeError(TStringBuilder() << "Empty partitions list" 
-                    << ": entry# " << entry.ToString(*AppData()->TypeRegistry)); 
-            } 
+            if (!CheckEntrySucceeded(entry, marker)) {
+                return;
+            }
+
+            if (entry.KeyDescription->Partitions.empty()) {
+                return SchemeError(TStringBuilder() << "Empty partitions list"
+                    << ": entry# " << entry.ToString(*AppData()->TypeRegistry));
+            }
 
             auto& info = TTableInfo::FromUserDataHandle(entry.UserData);
             info.SetKeyDesc(std::move(entry.KeyDescription));
-        } 
- 
-        if (Request) { 
-            Handle(Request); 
-        } else { 
-            Become(&TThis::StateAwaitRequest); 
-        } 
-    } 
- 
-    /// Process request 
- 
-    STATEFN(StateAwaitRequest) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvDataShard::TEvEraseRowsRequest, Handle); 
-            cFunc(TEvents::TEvPoison::EventType, PassAway); 
-        } 
-    } 
- 
-    void Store(TEvDataShard::TEvEraseRowsRequest::TPtr& ev) { 
-        LOG_D("Store TEvDataShard::TEvEraseRowsRequest"); 
-        Request = ev; 
-    } 
- 
-    void Handle(TEvDataShard::TEvEraseRowsRequest::TPtr& ev) { 
-        LOG_D("Handle TEvDataShard::TEvEraseRowsRequest"); 
- 
-        const auto& record = ev->Get()->Record; 
- 
-        switch (record.GetConditionCase()) { 
-        case NKikimrTxDataShard::TEvEraseRowsRequest::kExpiration: 
-            break; 
-        default: 
-            return BadRequest(TStringBuilder() << "Unknown condition" 
-                << ": condition# " << static_cast<ui32>(record.GetConditionCase())); 
-        } 
- 
-        THashMap<ui32, ui32> keyColumnIdToIdx; 
-        for (ui32 i = 0; i < record.KeyColumnIdsSize(); ++i) { 
-            Y_VERIFY_DEBUG(!keyColumnIdToIdx.contains(record.GetKeyColumnIds(i))); 
-            keyColumnIdToIdx.emplace(record.GetKeyColumnIds(i), i); 
-        } 
- 
-        TVector<ui32> indexColumnIds; 
-        { 
-            Y_VERIFY(TableInfos.contains(MainTableId)); 
-            const auto& mainTableInfo = TableInfos.at(MainTableId); 
- 
-            THashSet<ui32> mainTableKeys; 
-            for (const auto& [_, id] : mainTableInfo.GetKeyMap()) { 
-                Y_VERIFY_DEBUG(!mainTableKeys.contains(id)); 
-                mainTableKeys.insert(id); 
-            } 
- 
-            for (const auto& id : record.GetKeyColumnIds()) { 
-                if (mainTableKeys.contains(id)) { 
-                    continue; 
-                } 
- 
-                indexColumnIds.push_back(id); 
-            } 
-        } 
- 
-        THashMap<TTableId, THashMap<ui64, TShardKeys>> keys; // table to shard to keys 
-        TVector<TString> indexColumnValues(Reserve(record.KeyColumnsSize())); 
-        for (ui32 i = 0; i < record.KeyColumnsSize(); ++i) { 
-            const auto& serializedKey = record.GetKeyColumns(i); 
- 
-            TSerializedCellVec keyCells; 
-            if (!TSerializedCellVec::TryParse(serializedKey, keyCells)) { 
-                return BadRequest(TStringBuilder() << "Cannot parse key" 
-                    << ": serialized# " << serializedKey); 
-            } 
- 
-            for (const auto& [tableId, info] : TableInfos) { 
-                TVector<TCell> cells(Reserve(info.GetKeyMap().size())); 
+        }
+
+        if (Request) {
+            Handle(Request);
+        } else {
+            Become(&TThis::StateAwaitRequest);
+        }
+    }
+
+    /// Process request
+
+    STATEFN(StateAwaitRequest) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvDataShard::TEvEraseRowsRequest, Handle);
+            cFunc(TEvents::TEvPoison::EventType, PassAway);
+        }
+    }
+
+    void Store(TEvDataShard::TEvEraseRowsRequest::TPtr& ev) {
+        LOG_D("Store TEvDataShard::TEvEraseRowsRequest");
+        Request = ev;
+    }
+
+    void Handle(TEvDataShard::TEvEraseRowsRequest::TPtr& ev) {
+        LOG_D("Handle TEvDataShard::TEvEraseRowsRequest");
+
+        const auto& record = ev->Get()->Record;
+
+        switch (record.GetConditionCase()) {
+        case NKikimrTxDataShard::TEvEraseRowsRequest::kExpiration:
+            break;
+        default:
+            return BadRequest(TStringBuilder() << "Unknown condition"
+                << ": condition# " << static_cast<ui32>(record.GetConditionCase()));
+        }
+
+        THashMap<ui32, ui32> keyColumnIdToIdx;
+        for (ui32 i = 0; i < record.KeyColumnIdsSize(); ++i) {
+            Y_VERIFY_DEBUG(!keyColumnIdToIdx.contains(record.GetKeyColumnIds(i)));
+            keyColumnIdToIdx.emplace(record.GetKeyColumnIds(i), i);
+        }
+
+        TVector<ui32> indexColumnIds;
+        {
+            Y_VERIFY(TableInfos.contains(MainTableId));
+            const auto& mainTableInfo = TableInfos.at(MainTableId);
+
+            THashSet<ui32> mainTableKeys;
+            for (const auto& [_, id] : mainTableInfo.GetKeyMap()) {
+                Y_VERIFY_DEBUG(!mainTableKeys.contains(id));
+                mainTableKeys.insert(id);
+            }
+
+            for (const auto& id : record.GetKeyColumnIds()) {
+                if (mainTableKeys.contains(id)) {
+                    continue;
+                }
+
+                indexColumnIds.push_back(id);
+            }
+        }
+
+        THashMap<TTableId, THashMap<ui64, TShardKeys>> keys; // table to shard to keys
+        TVector<TString> indexColumnValues(Reserve(record.KeyColumnsSize()));
+        for (ui32 i = 0; i < record.KeyColumnsSize(); ++i) {
+            const auto& serializedKey = record.GetKeyColumns(i);
+
+            TSerializedCellVec keyCells;
+            if (!TSerializedCellVec::TryParse(serializedKey, keyCells)) {
+                return BadRequest(TStringBuilder() << "Cannot parse key"
+                    << ": serialized# " << serializedKey);
+            }
+
+            for (const auto& [tableId, info] : TableInfos) {
+                TVector<TCell> cells(Reserve(info.GetKeyMap().size()));
                 for (const auto& [_, id] : info.GetKeyMap()) {
-                    if (!keyColumnIdToIdx.contains(id)) { 
-                        return BadRequest(TStringBuilder() << "Key column is absent" 
-                            << ": tableId# " << tableId 
-                            << ", columnId# " << id); 
-                    } 
- 
-                    cells.push_back(keyCells.GetCells()[keyColumnIdToIdx.at(id)]); 
-                } 
- 
-                const ui64 shardId = GetShardId(TTableRange(cells), info.GetKeyDesc()); 
- 
-                auto it = keys[tableId].find(shardId); 
-                if (it == keys[tableId].end()) { 
+                    if (!keyColumnIdToIdx.contains(id)) {
+                        return BadRequest(TStringBuilder() << "Key column is absent"
+                            << ": tableId# " << tableId
+                            << ", columnId# " << id);
+                    }
+
+                    cells.push_back(keyCells.GetCells()[keyColumnIdToIdx.at(id)]);
+                }
+
+                const ui64 shardId = GetShardId(TTableRange(cells), info.GetKeyDesc());
+
+                auto it = keys[tableId].find(shardId);
+                if (it == keys[tableId].end()) {
                     it = keys[tableId].emplace(shardId, TShardKeys()).first;
-                } 
- 
-                it->second.Add(TSerializedCellVec::Serialize(cells), i); 
- 
-                if (tableId != MainTableId) { 
-                    continue; 
-                } 
- 
-                TVector<TCell> indexCells(Reserve(indexColumnIds.size())); 
-                for (const auto& id : indexColumnIds) { 
-                    Y_VERIFY(keyColumnIdToIdx.contains(id)); 
-                    indexCells.push_back(keyCells.GetCells()[keyColumnIdToIdx.at(id)]); 
-                } 
- 
-                indexColumnValues.push_back(std::move(TSerializedCellVec::Serialize(indexCells))); 
-            } 
-        } 
- 
-        Y_VERIFY(keys.contains(MainTableId)); 
-        if (keys.at(MainTableId).size() > 1) { 
-            return ExecError(TStringBuilder() << "Too many main table's shards" 
-                << ": tableId# " << MainTableId 
-                << ", expected# " << 1 
-                << ", actual# " << keys.at(MainTableId).size()); 
-        } 
- 
-        auto getDependents = [&keys](const TTableId& mainTableId) { 
-            THashSet<ui64> dependents; 
- 
-            for (const auto& [tableId, shards] : keys) { 
-                if (tableId != mainTableId) { 
-                    for (const auto& [shardId, _] : shards) { 
-                        Y_VERIFY_DEBUG(!dependents.contains(shardId)); 
-                        dependents.insert(shardId); 
-                    } 
-                } 
-            } 
- 
-            return dependents; 
-        }; 
- 
-        for (auto& [tableId, data] : keys) { 
-            Y_VERIFY(TableInfos.contains(tableId)); 
-            const auto& keyMap = TableInfos.at(tableId).GetKeyMap(); 
- 
-            for (auto& kv : data) { 
-                const ui64 shardId = kv.first; 
-                auto& shardKeys = kv.second; 
- 
-                NKikimrTxDataShard::TDistributedEraseTransaction tx; 
- 
-                auto& request = *tx.MutableEraseRowsRequest(); 
-                request.SetTableId(tableId.PathId.LocalPathId); 
-                request.SetSchemaVersion(tableId.SchemaVersion); 
- 
+                }
+
+                it->second.Add(TSerializedCellVec::Serialize(cells), i);
+
+                if (tableId != MainTableId) {
+                    continue;
+                }
+
+                TVector<TCell> indexCells(Reserve(indexColumnIds.size()));
+                for (const auto& id : indexColumnIds) {
+                    Y_VERIFY(keyColumnIdToIdx.contains(id));
+                    indexCells.push_back(keyCells.GetCells()[keyColumnIdToIdx.at(id)]);
+                }
+
+                indexColumnValues.push_back(std::move(TSerializedCellVec::Serialize(indexCells)));
+            }
+        }
+
+        Y_VERIFY(keys.contains(MainTableId));
+        if (keys.at(MainTableId).size() > 1) {
+            return ExecError(TStringBuilder() << "Too many main table's shards"
+                << ": tableId# " << MainTableId
+                << ", expected# " << 1
+                << ", actual# " << keys.at(MainTableId).size());
+        }
+
+        auto getDependents = [&keys](const TTableId& mainTableId) {
+            THashSet<ui64> dependents;
+
+            for (const auto& [tableId, shards] : keys) {
+                if (tableId != mainTableId) {
+                    for (const auto& [shardId, _] : shards) {
+                        Y_VERIFY_DEBUG(!dependents.contains(shardId));
+                        dependents.insert(shardId);
+                    }
+                }
+            }
+
+            return dependents;
+        };
+
+        for (auto& [tableId, data] : keys) {
+            Y_VERIFY(TableInfos.contains(tableId));
+            const auto& keyMap = TableInfos.at(tableId).GetKeyMap();
+
+            for (auto& kv : data) {
+                const ui64 shardId = kv.first;
+                auto& shardKeys = kv.second;
+
+                NKikimrTxDataShard::TDistributedEraseTransaction tx;
+
+                auto& request = *tx.MutableEraseRowsRequest();
+                request.SetTableId(tableId.PathId.LocalPathId);
+                request.SetSchemaVersion(tableId.SchemaVersion);
+
                 for (const auto& [id, _] : keyMap) {
-                    request.AddKeyColumnIds(id); 
-                } 
- 
-                Y_VERIFY_S(shardKeys.GetKeys().size() == shardKeys.GetPresentRows().Count(), "Rows count mismatch" 
-                    << ": expected# " << shardKeys.GetKeys().size() 
-                    << ", actual# " << shardKeys.GetPresentRows().Count()); 
- 
-                for (TString& key : shardKeys.GetKeys()) { 
-                    request.AddKeyColumns(std::move(key)); 
-                } 
- 
-                switch (record.GetConditionCase()) { 
-                case NKikimrTxDataShard::TEvEraseRowsRequest::kExpiration: 
-                    request.MutableExpiration()->CopyFrom(record.GetExpiration()); 
-                    break; 
-                default: 
-                    Y_FAIL_S("Unknown condition: " << static_cast<ui32>(record.GetConditionCase())); 
-                } 
- 
-                if (tableId == MainTableId) { 
-                    for (const ui64 shardId : getDependents(MainTableId)) { 
-                        auto& dependents = *tx.AddDependents(); 
-                        dependents.SetShardId(shardId); 
-                    } 
- 
-                    for (const auto& id : indexColumnIds) { 
-                        tx.AddIndexColumnIds(id); 
-                    } 
- 
-                    for (auto& value : indexColumnValues) { 
-                        tx.AddIndexColumns(std::move(value)); 
-                    } 
-                } else { 
-                    Y_VERIFY(keys.contains(MainTableId)); 
- 
-                    auto& dependency = *tx.AddDependencies(); 
-                    dependency.SetShardId(keys.at(MainTableId).begin()->first); 
-                    dependency.SetPresentRows(SerializeBitMap(shardKeys.GetPresentRows())); 
-                } 
- 
-                LOG_D("Propose tx" 
-                    << ": txId# " << TxId 
-                    << ", shard# " << shardId 
-                    << ", keys# " << request.KeyColumnsSize() 
-                    << ", dependents# " << tx.DependentsSize() 
-                    << ", dependencies# " << tx.DependenciesSize()); 
- 
-                auto propose = MakeHolder<TEvDataShard::TEvProposeTransaction>( 
-                    NKikimrTxDataShard::TX_KIND_DISTRIBUTED_ERASE, SelfId(), TxId, tx.SerializeAsString() 
-                ); 
- 
+                    request.AddKeyColumnIds(id);
+                }
+
+                Y_VERIFY_S(shardKeys.GetKeys().size() == shardKeys.GetPresentRows().Count(), "Rows count mismatch"
+                    << ": expected# " << shardKeys.GetKeys().size()
+                    << ", actual# " << shardKeys.GetPresentRows().Count());
+
+                for (TString& key : shardKeys.GetKeys()) {
+                    request.AddKeyColumns(std::move(key));
+                }
+
+                switch (record.GetConditionCase()) {
+                case NKikimrTxDataShard::TEvEraseRowsRequest::kExpiration:
+                    request.MutableExpiration()->CopyFrom(record.GetExpiration());
+                    break;
+                default:
+                    Y_FAIL_S("Unknown condition: " << static_cast<ui32>(record.GetConditionCase()));
+                }
+
+                if (tableId == MainTableId) {
+                    for (const ui64 shardId : getDependents(MainTableId)) {
+                        auto& dependents = *tx.AddDependents();
+                        dependents.SetShardId(shardId);
+                    }
+
+                    for (const auto& id : indexColumnIds) {
+                        tx.AddIndexColumnIds(id);
+                    }
+
+                    for (auto& value : indexColumnValues) {
+                        tx.AddIndexColumns(std::move(value));
+                    }
+                } else {
+                    Y_VERIFY(keys.contains(MainTableId));
+
+                    auto& dependency = *tx.AddDependencies();
+                    dependency.SetShardId(keys.at(MainTableId).begin()->first);
+                    dependency.SetPresentRows(SerializeBitMap(shardKeys.GetPresentRows()));
+                }
+
+                LOG_D("Propose tx"
+                    << ": txId# " << TxId
+                    << ", shard# " << shardId
+                    << ", keys# " << request.KeyColumnsSize()
+                    << ", dependents# " << tx.DependentsSize()
+                    << ", dependencies# " << tx.DependenciesSize());
+
+                auto propose = MakeHolder<TEvDataShard::TEvProposeTransaction>(
+                    NKikimrTxDataShard::TX_KIND_DISTRIBUTED_ERASE, SelfId(), TxId, tx.SerializeAsString()
+                );
+
                 Send(LeaderPipeCache, new TEvPipeCache::TEvForward(propose.Release(), shardId, true));
- 
-                Y_VERIFY_DEBUG(!Shards.contains(shardId)); 
-                Shards.insert(shardId); 
- 
-                Y_VERIFY_DEBUG(!PendingPrepare.contains(shardId)); 
-                PendingPrepare.insert(shardId); 
-            } 
-        } 
- 
-        Become(&TThis::StatePropose); 
-    } 
- 
-    /// Propose 
- 
-    STATEFN(StatePropose) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvDataShard::TEvProposeTransactionResult, HandlePropose); 
-            hFunc(TEvPipeCache::TEvDeliveryProblem, HandlePropose); 
-        default: 
-            return StateExecuteBase(ev, TlsActivationContext->AsActorContext()); 
-        } 
-    } 
- 
-    void HandlePropose(TEvDataShard::TEvProposeTransactionResult::TPtr& ev) { 
-        const auto* msg = ev->Get(); 
- 
-        const ui64 shardId = msg->GetOrigin(); 
-        if (!PendingPrepare.contains(shardId)) { 
-            return; 
-        } 
- 
-        const auto status = msg->GetStatus(); 
-        LOG_D("HandlePropose TEvDataShard::TEvProposeTransactionResult" 
-            << ": txId# " << TxId 
-            << ", shard# " << shardId 
-            << ", status# " << static_cast<ui32>(status)); 
- 
-        auto error = [&](TEvResponse::EStatus code, const TStringBuf header) { 
-            return Reply(code, TStringBuilder() << header 
-                << ": reason# " << msg->GetError() 
-                << ", txId# " << TxId 
-                << ", shard# " << shardId); 
-        }; 
- 
-        switch (status) { 
-            case NKikimrTxDataShard::TEvProposeTransactionResult::PREPARED: { 
-                Mon->TxResultPrepared->Inc(); 
- 
-                const auto& record = msg->Record; 
- 
-                AggrMinStep = Max(AggrMinStep, record.GetMinStep()); 
-                AggrMaxStep = Min(AggrMaxStep, record.GetMaxStep()); 
- 
-                const auto& domainCoordinators = record.GetDomainCoordinators(); 
-                const auto privateCoordinators = TVector<ui64>(domainCoordinators.begin(), domainCoordinators.end()); 
-                const ui64 privateCoordinator = TCoordinators(privateCoordinators).Select(TxId); 
- 
-                if (!SelectedCoordinator) { 
-                    SelectedCoordinator = privateCoordinator; 
-                } 
- 
-                if (!SelectedCoordinator || SelectedCoordinator != privateCoordinator) { 
-                    CancelProposal(); 
-                    Mon->TxResultAborted->Inc(); 
-                    return CoordinatorUnknown(TStringBuilder() << "Unable to choose coordinator" 
-                        << ": txId# " << TxId 
-                        << ", shard# " << shardId 
-                        << ", selectCoordinator# " << SelectedCoordinator 
-                        << ", privateCoordinator# " << privateCoordinator); 
-                } 
- 
-                PendingPrepare.erase(shardId); 
-                if (PendingPrepare) { 
-                    return; 
-                } 
- 
-                return RegisterPlan(); 
-            } 
-            case NKikimrTxDataShard::TEvProposeTransactionResult::COMPLETE: 
-                CancelProposal(); 
-                Mon->TxResultComplete->Inc(); 
-                return ExecError(TStringBuilder() << "Unexpected COMPLETE result" 
-                    << ": txId# " << TxId 
-                    << ", shard# " << shardId); 
-            case NKikimrTxDataShard::TEvProposeTransactionResult::ERROR: 
-                CancelProposal(shardId); 
-                Mon->TxResultError->Inc(); 
+
+                Y_VERIFY_DEBUG(!Shards.contains(shardId));
+                Shards.insert(shardId);
+
+                Y_VERIFY_DEBUG(!PendingPrepare.contains(shardId));
+                PendingPrepare.insert(shardId);
+            }
+        }
+
+        Become(&TThis::StatePropose);
+    }
+
+    /// Propose
+
+    STATEFN(StatePropose) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvDataShard::TEvProposeTransactionResult, HandlePropose);
+            hFunc(TEvPipeCache::TEvDeliveryProblem, HandlePropose);
+        default:
+            return StateExecuteBase(ev, TlsActivationContext->AsActorContext());
+        }
+    }
+
+    void HandlePropose(TEvDataShard::TEvProposeTransactionResult::TPtr& ev) {
+        const auto* msg = ev->Get();
+
+        const ui64 shardId = msg->GetOrigin();
+        if (!PendingPrepare.contains(shardId)) {
+            return;
+        }
+
+        const auto status = msg->GetStatus();
+        LOG_D("HandlePropose TEvDataShard::TEvProposeTransactionResult"
+            << ": txId# " << TxId
+            << ", shard# " << shardId
+            << ", status# " << static_cast<ui32>(status));
+
+        auto error = [&](TEvResponse::EStatus code, const TStringBuf header) {
+            return Reply(code, TStringBuilder() << header
+                << ": reason# " << msg->GetError()
+                << ", txId# " << TxId
+                << ", shard# " << shardId);
+        };
+
+        switch (status) {
+            case NKikimrTxDataShard::TEvProposeTransactionResult::PREPARED: {
+                Mon->TxResultPrepared->Inc();
+
+                const auto& record = msg->Record;
+
+                AggrMinStep = Max(AggrMinStep, record.GetMinStep());
+                AggrMaxStep = Min(AggrMaxStep, record.GetMaxStep());
+
+                const auto& domainCoordinators = record.GetDomainCoordinators();
+                const auto privateCoordinators = TVector<ui64>(domainCoordinators.begin(), domainCoordinators.end());
+                const ui64 privateCoordinator = TCoordinators(privateCoordinators).Select(TxId);
+
+                if (!SelectedCoordinator) {
+                    SelectedCoordinator = privateCoordinator;
+                }
+
+                if (!SelectedCoordinator || SelectedCoordinator != privateCoordinator) {
+                    CancelProposal();
+                    Mon->TxResultAborted->Inc();
+                    return CoordinatorUnknown(TStringBuilder() << "Unable to choose coordinator"
+                        << ": txId# " << TxId
+                        << ", shard# " << shardId
+                        << ", selectCoordinator# " << SelectedCoordinator
+                        << ", privateCoordinator# " << privateCoordinator);
+                }
+
+                PendingPrepare.erase(shardId);
+                if (PendingPrepare) {
+                    return;
+                }
+
+                return RegisterPlan();
+            }
+            case NKikimrTxDataShard::TEvProposeTransactionResult::COMPLETE:
+                CancelProposal();
+                Mon->TxResultComplete->Inc();
+                return ExecError(TStringBuilder() << "Unexpected COMPLETE result"
+                    << ": txId# " << TxId
+                    << ", shard# " << shardId);
+            case NKikimrTxDataShard::TEvProposeTransactionResult::ERROR:
+                CancelProposal(shardId);
+                Mon->TxResultError->Inc();
                 return error(TEvResponse::SHARD_NOT_AVAILABLE, TStringBuf("Not available"));
-            case NKikimrTxDataShard::TEvProposeTransactionResult::ABORTED: 
-                Mon->TxResultAborted->Inc(); 
+            case NKikimrTxDataShard::TEvProposeTransactionResult::ABORTED:
+                Mon->TxResultAborted->Inc();
                 return error(TEvResponse::SHARD_ABORTED, TStringBuf("Aborted"));
-            case NKikimrTxDataShard::TEvProposeTransactionResult::TRY_LATER: 
-                CancelProposal(shardId); 
-                Mon->TxResultShardTryLater->Inc(); 
+            case NKikimrTxDataShard::TEvProposeTransactionResult::TRY_LATER:
+                CancelProposal(shardId);
+                Mon->TxResultShardTryLater->Inc();
                 return error(TEvResponse::SHARD_TRY_LATER, TStringBuf("Try later"));
-            case NKikimrTxDataShard::TEvProposeTransactionResult::OVERLOADED: 
-                CancelProposal(shardId); 
-                Mon->TxResultShardOverloaded->Inc(); 
+            case NKikimrTxDataShard::TEvProposeTransactionResult::OVERLOADED:
+                CancelProposal(shardId);
+                Mon->TxResultShardOverloaded->Inc();
                 return error(TEvResponse::SHARD_OVERLOADED, TStringBuf("Overloaded"));
-            case NKikimrTxDataShard::TEvProposeTransactionResult::EXEC_ERROR: 
-                Mon->TxResultExecError->Inc(); 
+            case NKikimrTxDataShard::TEvProposeTransactionResult::EXEC_ERROR:
+                Mon->TxResultExecError->Inc();
                 return error(TEvResponse::SHARD_EXEC_ERROR, TStringBuf("Execution error"));
-            case NKikimrTxDataShard::TEvProposeTransactionResult::RESULT_UNAVAILABLE: 
-                Mon->TxResultResultUnavailable->Inc(); 
+            case NKikimrTxDataShard::TEvProposeTransactionResult::RESULT_UNAVAILABLE:
+                Mon->TxResultResultUnavailable->Inc();
                 return error(TEvResponse::SHARD_RESULT_UNAVAILABLE, TStringBuf("Result unavailable"));
-            case NKikimrTxDataShard::TEvProposeTransactionResult::CANCELLED: 
-                Mon->TxResultCancelled->Inc(); 
+            case NKikimrTxDataShard::TEvProposeTransactionResult::CANCELLED:
+                Mon->TxResultCancelled->Inc();
                 return error(TEvResponse::SHARD_CANCELLED, TStringBuf("Cancelled"));
-            case NKikimrTxDataShard::TEvProposeTransactionResult::BAD_REQUEST: 
-                Mon->TxResultCancelled->Inc(); 
+            case NKikimrTxDataShard::TEvProposeTransactionResult::BAD_REQUEST:
+                Mon->TxResultCancelled->Inc();
                 return error(TEvResponse::SHARD_CANCELLED, TStringBuf("Bad request"));
-            default: 
-                CancelProposal(); 
-                Mon->TxResultFatal->Inc(); 
-                return ShardUnknown(TStringBuilder() << "Unexpected status" 
-                    << ": reason# " << msg->GetError() 
-                    << ", txId# " << TxId 
-                    << ", shard# " << shardId); 
-        } 
-    } 
- 
-    void HandlePropose(TEvPipeCache::TEvDeliveryProblem::TPtr& ev) { 
-        const auto* msg = ev->Get(); 
- 
-        const ui64 shardId = msg->TabletId; 
-        if (!PendingPrepare.contains(shardId)) { 
-            return; 
-        } 
- 
-        CancelProposal(shardId); 
-        Mon->ClientConnectedError->Inc(); 
- 
-        if (msg->NotDelivered) { 
-            return Reply(TEvResponse::SHARD_NOT_AVAILABLE, TStringBuilder() << "Could not deliver program" 
-                << ": txId# " << TxId 
-                << ", shard# " << shardId); 
-        } else { 
-            return ShardUnknown(TStringBuilder() << "Tx state unknown" 
-                << ": reason# " << "lost pipe while waiting for reply (propose)" 
-                << ", txId# " << TxId 
-                << ", shard# " << shardId); 
-        } 
-    } 
- 
-    /// Plan 
- 
-    void RegisterPlan() { 
-        Y_VERIFY(SelectedCoordinator); 
- 
-        LOG_D("Register plan" 
-            << ": txId# " << TxId 
-            << ", minStep# " << AggrMinStep 
-            << ", maxStep# " << AggrMaxStep); 
- 
-        auto propose = MakeHolder<TEvTxProxy::TEvProposeTransaction>( 
-            SelectedCoordinator, TxId, 0, AggrMinStep, AggrMaxStep); 
- 
-        auto& affectedSet = *propose->Record.MutableTransaction()->MutableAffectedSet(); 
-        affectedSet.Reserve(Shards.size()); 
- 
-        for (const ui64 shardId : Shards) { 
-            auto& x = *affectedSet.Add(); 
-            x.SetTabletId(shardId); 
-            x.SetFlags(1 << 1 /* AffectedWrite */); 
- 
-            Y_VERIFY_DEBUG(!PendingResult.contains(shardId)); 
-            PendingResult.insert(shardId); 
-        } 
- 
+            default:
+                CancelProposal();
+                Mon->TxResultFatal->Inc();
+                return ShardUnknown(TStringBuilder() << "Unexpected status"
+                    << ": reason# " << msg->GetError()
+                    << ", txId# " << TxId
+                    << ", shard# " << shardId);
+        }
+    }
+
+    void HandlePropose(TEvPipeCache::TEvDeliveryProblem::TPtr& ev) {
+        const auto* msg = ev->Get();
+
+        const ui64 shardId = msg->TabletId;
+        if (!PendingPrepare.contains(shardId)) {
+            return;
+        }
+
+        CancelProposal(shardId);
+        Mon->ClientConnectedError->Inc();
+
+        if (msg->NotDelivered) {
+            return Reply(TEvResponse::SHARD_NOT_AVAILABLE, TStringBuilder() << "Could not deliver program"
+                << ": txId# " << TxId
+                << ", shard# " << shardId);
+        } else {
+            return ShardUnknown(TStringBuilder() << "Tx state unknown"
+                << ": reason# " << "lost pipe while waiting for reply (propose)"
+                << ", txId# " << TxId
+                << ", shard# " << shardId);
+        }
+    }
+
+    /// Plan
+
+    void RegisterPlan() {
+        Y_VERIFY(SelectedCoordinator);
+
+        LOG_D("Register plan"
+            << ": txId# " << TxId
+            << ", minStep# " << AggrMinStep
+            << ", maxStep# " << AggrMaxStep);
+
+        auto propose = MakeHolder<TEvTxProxy::TEvProposeTransaction>(
+            SelectedCoordinator, TxId, 0, AggrMinStep, AggrMaxStep);
+
+        auto& affectedSet = *propose->Record.MutableTransaction()->MutableAffectedSet();
+        affectedSet.Reserve(Shards.size());
+
+        for (const ui64 shardId : Shards) {
+            auto& x = *affectedSet.Add();
+            x.SetTabletId(shardId);
+            x.SetFlags(1 << 1 /* AffectedWrite */);
+
+            Y_VERIFY_DEBUG(!PendingResult.contains(shardId));
+            PendingResult.insert(shardId);
+        }
+
         Send(LeaderPipeCache, new TEvPipeCache::TEvForward(propose.Release(), SelectedCoordinator, true));
-        Become(&TThis::StatePlan); 
-    } 
- 
-    STATEFN(StatePlan) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvTxProxy::TEvProposeTransactionStatus, HandlePlan); 
-            hFunc(TEvDataShard::TEvProposeTransactionResult, HandlePlan); 
-            hFunc(TEvPipeCache::TEvDeliveryProblem, HandlePlan); 
-        default: 
-            return StateExecuteBase(ev, TlsActivationContext->AsActorContext()); 
-        } 
-    } 
- 
-    void HandlePlan(TEvTxProxy::TEvProposeTransactionStatus::TPtr& ev) { 
-        const auto status = ev->Get()->GetStatus(); 
-        LOG_D("Handle TEvTxProxy::TEvProposeTransactionStatus" 
-            << ": txId# " << TxId 
-            << ", status# " << static_cast<ui32>(status)); 
- 
-        switch (status) { 
-        case TEvTxProxy::TEvProposeTransactionStatus::EStatus::StatusAccepted: 
-            Mon->ClientTxStatusAccepted->Inc(); 
-            break; 
-        case TEvTxProxy::TEvProposeTransactionStatus::EStatus::StatusProcessed: 
-            Mon->ClientTxStatusProcessed->Inc(); 
-            break; 
-        case TEvTxProxy::TEvProposeTransactionStatus::EStatus::StatusConfirmed: 
-            Mon->ClientTxStatusConfirmed->Inc(); 
-            break; 
-        case TEvTxProxy::TEvProposeTransactionStatus::EStatus::StatusPlanned: 
-            Mon->ClientTxStatusPlanned->Inc(); 
-            break; 
-        case TEvTxProxy::TEvProposeTransactionStatus::EStatus::StatusOutdated: 
-        case TEvTxProxy::TEvProposeTransactionStatus::EStatus::StatusDeclined: 
-        case TEvTxProxy::TEvProposeTransactionStatus::EStatus::StatusDeclinedNoSpace: 
+        Become(&TThis::StatePlan);
+    }
+
+    STATEFN(StatePlan) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvTxProxy::TEvProposeTransactionStatus, HandlePlan);
+            hFunc(TEvDataShard::TEvProposeTransactionResult, HandlePlan);
+            hFunc(TEvPipeCache::TEvDeliveryProblem, HandlePlan);
+        default:
+            return StateExecuteBase(ev, TlsActivationContext->AsActorContext());
+        }
+    }
+
+    void HandlePlan(TEvTxProxy::TEvProposeTransactionStatus::TPtr& ev) {
+        const auto status = ev->Get()->GetStatus();
+        LOG_D("Handle TEvTxProxy::TEvProposeTransactionStatus"
+            << ": txId# " << TxId
+            << ", status# " << static_cast<ui32>(status));
+
+        switch (status) {
+        case TEvTxProxy::TEvProposeTransactionStatus::EStatus::StatusAccepted:
+            Mon->ClientTxStatusAccepted->Inc();
+            break;
+        case TEvTxProxy::TEvProposeTransactionStatus::EStatus::StatusProcessed:
+            Mon->ClientTxStatusProcessed->Inc();
+            break;
+        case TEvTxProxy::TEvProposeTransactionStatus::EStatus::StatusConfirmed:
+            Mon->ClientTxStatusConfirmed->Inc();
+            break;
+        case TEvTxProxy::TEvProposeTransactionStatus::EStatus::StatusPlanned:
+            Mon->ClientTxStatusPlanned->Inc();
+            break;
+        case TEvTxProxy::TEvProposeTransactionStatus::EStatus::StatusOutdated:
+        case TEvTxProxy::TEvProposeTransactionStatus::EStatus::StatusDeclined:
+        case TEvTxProxy::TEvProposeTransactionStatus::EStatus::StatusDeclinedNoSpace:
         case TEvTxProxy::TEvProposeTransactionStatus::EStatus::StatusRestarting: // TODO: retry
-            CancelProposal(); 
+            CancelProposal();
             [[fallthrough]];
-        default: 
-            Mon->ClientTxStatusCoordinatorDeclined->Inc(); 
-            return CoordinatorDeclined(TStringBuilder() << "Tx failed to plan" 
-                << ": reason# " << "declined by coodinator" 
-                << ", txId# " << TxId 
-                << ", status# " << static_cast<ui32>(status)); 
-        } 
-    } 
- 
-    void HandlePlan(TEvDataShard::TEvProposeTransactionResult::TPtr& ev) { 
-        const auto* msg = ev->Get(); 
- 
-        const ui64 shardId = msg->GetOrigin(); 
-        if (!PendingResult.contains(shardId)) { 
-            return; 
-        } 
- 
-        const auto status = msg->GetStatus(); 
-        LOG_D("HandlePlan TEvDataShard::TEvProposeTransactionResult" 
-            << ": txId# " << TxId 
-            << ", shard# " << shardId 
-            << ", status# " << static_cast<ui32>(status)); 
- 
-        auto error = [&](TEvResponse::EStatus code, const TStringBuf header) { 
-            return Reply(code, TStringBuilder() << header 
-                << ": reason# " << msg->GetError() 
-                << ", txId# " << TxId 
-                << ", shard# " << shardId); 
-        }; 
- 
-        switch (status) { 
-            case NKikimrTxDataShard::TEvProposeTransactionResult::COMPLETE: { 
-                Mon->PlanClientTxResultComplete->Inc(); 
- 
-                PendingResult.erase(shardId); 
-                if (PendingResult) { 
-                    return; 
-                } 
- 
-                return Reply(); 
-            } 
-            case NKikimrTxDataShard::TEvProposeTransactionResult::ABORTED: 
-                Mon->PlanClientTxResultAborted->Inc(); 
+        default:
+            Mon->ClientTxStatusCoordinatorDeclined->Inc();
+            return CoordinatorDeclined(TStringBuilder() << "Tx failed to plan"
+                << ": reason# " << "declined by coodinator"
+                << ", txId# " << TxId
+                << ", status# " << static_cast<ui32>(status));
+        }
+    }
+
+    void HandlePlan(TEvDataShard::TEvProposeTransactionResult::TPtr& ev) {
+        const auto* msg = ev->Get();
+
+        const ui64 shardId = msg->GetOrigin();
+        if (!PendingResult.contains(shardId)) {
+            return;
+        }
+
+        const auto status = msg->GetStatus();
+        LOG_D("HandlePlan TEvDataShard::TEvProposeTransactionResult"
+            << ": txId# " << TxId
+            << ", shard# " << shardId
+            << ", status# " << static_cast<ui32>(status));
+
+        auto error = [&](TEvResponse::EStatus code, const TStringBuf header) {
+            return Reply(code, TStringBuilder() << header
+                << ": reason# " << msg->GetError()
+                << ", txId# " << TxId
+                << ", shard# " << shardId);
+        };
+
+        switch (status) {
+            case NKikimrTxDataShard::TEvProposeTransactionResult::COMPLETE: {
+                Mon->PlanClientTxResultComplete->Inc();
+
+                PendingResult.erase(shardId);
+                if (PendingResult) {
+                    return;
+                }
+
+                return Reply();
+            }
+            case NKikimrTxDataShard::TEvProposeTransactionResult::ABORTED:
+                Mon->PlanClientTxResultAborted->Inc();
                 return error(TEvResponse::SHARD_ABORTED, TStringBuf("Aborted"));
-            case NKikimrTxDataShard::TEvProposeTransactionResult::RESULT_UNAVAILABLE: 
-                Mon->PlanClientTxResultResultUnavailable->Inc(); 
+            case NKikimrTxDataShard::TEvProposeTransactionResult::RESULT_UNAVAILABLE:
+                Mon->PlanClientTxResultResultUnavailable->Inc();
                 return error(TEvResponse::SHARD_RESULT_UNAVAILABLE, TStringBuf("Result unavailable"));
-            case NKikimrTxDataShard::TEvProposeTransactionResult::CANCELLED: 
-                Mon->PlanClientTxResultCancelled->Inc(); 
+            case NKikimrTxDataShard::TEvProposeTransactionResult::CANCELLED:
+                Mon->PlanClientTxResultCancelled->Inc();
                 return error(TEvResponse::SHARD_CANCELLED, TStringBuf("Cancelled"));
-            default: 
-                Mon->PlanClientTxResultExecError->Inc(); 
+            default:
+                Mon->PlanClientTxResultExecError->Inc();
                 return error(TEvResponse::SHARD_EXEC_ERROR, TStringBuf("Unexpected status"));
-        } 
-    } 
- 
-    void HandlePlan(TEvPipeCache::TEvDeliveryProblem::TPtr& ev) { 
-        const auto* msg = ev->Get(); 
- 
-        if (SelectedCoordinator == msg->TabletId) { 
-            if (msg->NotDelivered) { 
-                Mon->PlanCoordinatorDeclined->Inc(); 
-                return CoordinatorDeclined(TStringBuilder() << "Tx failed to plan" 
-                    << ": reason# " << "not delivered to coordinator" 
-                    << ", txId# " << TxId 
-                    << ", coordinator# " << msg->TabletId); 
-            } else { 
-                Mon->PlanClientDestroyed->Inc(); 
-                return CoordinatorUnknown(TStringBuilder() << "Tx state unknown" 
-                    << ": reason# " << "delivery problem to coordinator" 
-                    << ", txId# " << TxId 
-                    << ", coordinator# " << msg->TabletId); 
-            } 
-        } 
- 
-        if (PendingResult.contains(msg->TabletId)) { 
-            Mon->ClientConnectedError->Inc(); 
-            return ShardUnknown(TStringBuilder() << "Tx state unknown" 
-                << ": reason# " << "lost pipe while waiting for reply (plan)" 
-                << ", txId# " << TxId 
-                << ", shard# " << msg->TabletId); 
-        } 
-    } 
- 
-    void PassAway() override { 
-        Cancelled = true; 
- 
-        if (ResolvingKeys) { 
-            return; 
-        } 
- 
-        IActor::PassAway(); 
-    } 
- 
-public: 
-    static constexpr NKikimrServices::TActivity::EType ActorActivityType() { 
-        return NKikimrServices::TActivity::DISTRIBUTED_ERASE_ROWS_ACTOR; 
-    } 
- 
-    TDistEraser(const TActorId& replyTo, const TTableId& mainTableId, const TIndexes& indexes) 
-        : ReplyTo(replyTo) 
-        , MainTableId(mainTableId) 
-        , Indexes(indexes) 
-        , Cancelled(false) 
-        , ResolvingKeys(false) 
-        , TxId(0) 
-        , SelectedCoordinator(0) 
-        , AggrMinStep(0) 
-        , AggrMaxStep(Max<ui64>()) 
-    { 
-    } 
- 
-    void Bootstrap() { 
-        AllocateTxId(); 
-    } 
- 
-    STATEFN(StatePrepareBase) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvDataShard::TEvEraseRowsRequest, Store); 
-            cFunc(TEvents::TEvPoison::EventType, PassAway); 
-        } 
-    } 
- 
-    STATEFN(StateExecuteBase) { 
-        switch (ev->GetTypeRewrite()) { 
-            cFunc(TEvents::TEvUndelivered::EventType, DeliveryProblem); 
-            cFunc(TEvents::TEvPoison::EventType, PassAway); 
-        } 
-    } 
- 
-private: 
-    const TActorId ReplyTo; 
-    const TTableId MainTableId; 
-    const TIndexes Indexes; 
- 
-    bool Cancelled; 
-    bool ResolvingKeys; 
- 
-    ui64 TxId; 
+        }
+    }
+
+    void HandlePlan(TEvPipeCache::TEvDeliveryProblem::TPtr& ev) {
+        const auto* msg = ev->Get();
+
+        if (SelectedCoordinator == msg->TabletId) {
+            if (msg->NotDelivered) {
+                Mon->PlanCoordinatorDeclined->Inc();
+                return CoordinatorDeclined(TStringBuilder() << "Tx failed to plan"
+                    << ": reason# " << "not delivered to coordinator"
+                    << ", txId# " << TxId
+                    << ", coordinator# " << msg->TabletId);
+            } else {
+                Mon->PlanClientDestroyed->Inc();
+                return CoordinatorUnknown(TStringBuilder() << "Tx state unknown"
+                    << ": reason# " << "delivery problem to coordinator"
+                    << ", txId# " << TxId
+                    << ", coordinator# " << msg->TabletId);
+            }
+        }
+
+        if (PendingResult.contains(msg->TabletId)) {
+            Mon->ClientConnectedError->Inc();
+            return ShardUnknown(TStringBuilder() << "Tx state unknown"
+                << ": reason# " << "lost pipe while waiting for reply (plan)"
+                << ", txId# " << TxId
+                << ", shard# " << msg->TabletId);
+        }
+    }
+
+    void PassAway() override {
+        Cancelled = true;
+
+        if (ResolvingKeys) {
+            return;
+        }
+
+        IActor::PassAway();
+    }
+
+public:
+    static constexpr NKikimrServices::TActivity::EType ActorActivityType() {
+        return NKikimrServices::TActivity::DISTRIBUTED_ERASE_ROWS_ACTOR;
+    }
+
+    TDistEraser(const TActorId& replyTo, const TTableId& mainTableId, const TIndexes& indexes)
+        : ReplyTo(replyTo)
+        , MainTableId(mainTableId)
+        , Indexes(indexes)
+        , Cancelled(false)
+        , ResolvingKeys(false)
+        , TxId(0)
+        , SelectedCoordinator(0)
+        , AggrMinStep(0)
+        , AggrMaxStep(Max<ui64>())
+    {
+    }
+
+    void Bootstrap() {
+        AllocateTxId();
+    }
+
+    STATEFN(StatePrepareBase) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvDataShard::TEvEraseRowsRequest, Store);
+            cFunc(TEvents::TEvPoison::EventType, PassAway);
+        }
+    }
+
+    STATEFN(StateExecuteBase) {
+        switch (ev->GetTypeRewrite()) {
+            cFunc(TEvents::TEvUndelivered::EventType, DeliveryProblem);
+            cFunc(TEvents::TEvPoison::EventType, PassAway);
+        }
+    }
+
+private:
+    const TActorId ReplyTo;
+    const TTableId MainTableId;
+    const TIndexes Indexes;
+
+    bool Cancelled;
+    bool ResolvingKeys;
+
+    ui64 TxId;
     TActorId LeaderPipeCache;
-    TIntrusivePtr<NTxProxy::TTxProxyMon> Mon; 
- 
-    THashMap<TTableId, TTableInfo> TableInfos; 
-    TEvDataShard::TEvEraseRowsRequest::TPtr Request; 
- 
-    THashSet<ui64> Shards; 
-    THashSet<ui64> PendingPrepare; 
-    THashSet<ui64> PendingResult; 
- 
-    ui64 SelectedCoordinator; 
-    ui64 AggrMinStep; 
-    ui64 AggrMaxStep; 
- 
-}; // TDistEraser 
- 
-IActor* CreateDistributedEraser(const TActorId& replyTo, const TTableId& mainTableId, const TIndexes& indexes) { 
-    return new TDistEraser(replyTo, mainTableId, indexes); 
-} 
- 
+    TIntrusivePtr<NTxProxy::TTxProxyMon> Mon;
+
+    THashMap<TTableId, TTableInfo> TableInfos;
+    TEvDataShard::TEvEraseRowsRequest::TPtr Request;
+
+    THashSet<ui64> Shards;
+    THashSet<ui64> PendingPrepare;
+    THashSet<ui64> PendingResult;
+
+    ui64 SelectedCoordinator;
+    ui64 AggrMinStep;
+    ui64 AggrMaxStep;
+
+}; // TDistEraser
+
+IActor* CreateDistributedEraser(const TActorId& replyTo, const TTableId& mainTableId, const TIndexes& indexes) {
+    return new TDistEraser(replyTo, mainTableId, indexes);
+}
+
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/datashard_distributed_erase.h b/ydb/core/tx/datashard/datashard_distributed_erase.h
index 55b5b4d8d1..c20c3ed0a9 100644
--- a/ydb/core/tx/datashard/datashard_distributed_erase.h
+++ b/ydb/core/tx/datashard/datashard_distributed_erase.h
@@ -1,36 +1,36 @@
-#pragma once 
- 
-#include "defs.h" 
- 
+#pragma once
+
+#include "defs.h"
+
 #include <ydb/core/scheme/scheme_tabledefs.h>
- 
-#include <util/generic/hash.h> 
-#include <util/generic/vector.h> 
-#include <util/stream/str.h> 
- 
-namespace NKikimr { 
+
+#include <util/generic/hash.h>
+#include <util/generic/vector.h>
+#include <util/stream/str.h>
+
+namespace NKikimr {
 namespace NDataShard {
- 
-using TKeyMap = TVector<std::pair<ui32, ui32>>; // index to main 
-using TIndexes = THashMap<TTableId, TKeyMap>; 
- 
-IActor* CreateDistributedEraser(const TActorId& replyTo, const TTableId& mainTableId, const TIndexes& indexes); 
- 
-template <typename TBitMapType> 
-static TString SerializeBitMap(const TBitMapType& bitmap) { 
-    TString serialized; 
-    TStringOutput output(serialized); 
-    bitmap.Save(&output); 
-    return serialized; 
-} 
- 
-template <typename TBitMapType> 
-static TBitMapType DeserializeBitMap(const TString& serialized) { 
-    TStringInput input(serialized); 
-    TBitMapType bitmap; 
-    bitmap.Load(&input); 
-    return bitmap; 
-} 
- 
+
+using TKeyMap = TVector<std::pair<ui32, ui32>>; // index to main
+using TIndexes = THashMap<TTableId, TKeyMap>;
+
+IActor* CreateDistributedEraser(const TActorId& replyTo, const TTableId& mainTableId, const TIndexes& indexes);
+
+template <typename TBitMapType>
+static TString SerializeBitMap(const TBitMapType& bitmap) {
+    TString serialized;
+    TStringOutput output(serialized);
+    bitmap.Save(&output);
+    return serialized;
+}
+
+template <typename TBitMapType>
+static TBitMapType DeserializeBitMap(const TString& serialized) {
+    TStringInput input(serialized);
+    TBitMapType bitmap;
+    bitmap.Load(&input);
+    return bitmap;
+}
+
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/datashard_impl.h b/ydb/core/tx/datashard/datashard_impl.h
index 6d6728a249..11313474f8 100644
--- a/ydb/core/tx/datashard/datashard_impl.h
+++ b/ydb/core/tx/datashard/datashard_impl.h
@@ -5,17 +5,17 @@
 #include "datashard_trans_queue.h"
 #include "datashard_outreadset.h"
 #include "datashard_pipeline.h"
-#include "datashard_schema_snapshots.h" 
+#include "datashard_schema_snapshots.h"
 #include "datashard_snapshots.h"
-#include "datashard_s3_downloads.h" 
-#include "datashard_s3_uploads.h" 
+#include "datashard_s3_downloads.h"
+#include "datashard_s3_uploads.h"
 #include "datashard_user_table.h"
 #include "datashard_build_index.h"
 #include "datashard_repl_offsets.h"
 #include "datashard_repl_offsets_client.h"
 #include "datashard_repl_offsets_server.h"
-#include "change_exchange.h" 
-#include "change_record.h" 
+#include "change_exchange.h"
+#include "change_record.h"
 #include "progress_queue.h"
 #include "read_iterator.h"
 
@@ -45,8 +45,8 @@
 
 #include <library/cpp/actors/interconnect/interconnect.h>
 
-#include <util/string/join.h> 
- 
+#include <util/string/join.h>
+
 namespace NKikimr {
 namespace NDataShard {
 
@@ -188,22 +188,22 @@ class TDataShard
     class TTxDiscardVolatileSnapshot;
     class TTxCleanupRemovedSnapshots;
     class TTxMigrateSchemeShard;
-    class TTxGetS3Upload; 
-    class TTxStoreS3UploadId; 
-    class TTxChangeS3UploadStatus; 
-    class TTxGetS3DownloadInfo; 
-    class TTxStoreS3DownloadInfo; 
-    class TTxUnsafeUploadRows; 
+    class TTxGetS3Upload;
+    class TTxStoreS3UploadId;
+    class TTxChangeS3UploadStatus;
+    class TTxGetS3DownloadInfo;
+    class TTxStoreS3DownloadInfo;
+    class TTxUnsafeUploadRows;
     class TTxExecuteMvccStateChange;
     class TTxGetRemovedRowVersions;
     class TTxCompactBorrowed;
     class TTxCompactTable;
     class TTxPersistFullCompactionTs;
 
-    template <typename T> friend class TTxDirectBase; 
-    class TTxUploadRows; 
-    class TTxEraseRows; 
- 
+    template <typename T> friend class TTxDirectBase;
+    class TTxUploadRows;
+    class TTxEraseRows;
+
     ITransaction *CreateTxMonitoring(TDataShard *self,
                                      NMon::TEvRemoteHttpInfo::TPtr ev);
     ITransaction *CreateTxGetInfo(TDataShard *self,
@@ -240,7 +240,7 @@ class TDataShard
     friend class TEngineBay;
     friend class NMiniKQL::TKqpScanComputeContext;
     friend class TSnapshotManager;
-    friend class TSchemaSnapshotManager; 
+    friend class TSchemaSnapshotManager;
     friend class TReplicationSourceOffsetsClient;
     friend class TReplicationSourceOffsetsServer;
 
@@ -249,12 +249,12 @@ class TDataShard
     friend class TWaitForStreamClearanceUnit;
     friend class TBuildIndexScan;
     friend class TReadColumnsScan;
-    friend class TCondEraseScan; 
+    friend class TCondEraseScan;
     friend class TDatashardKeySampler;
 
-    friend class TS3UploadsManager; 
-    friend class TS3DownloadsManager; 
-    friend class TS3Downloader; 
+    friend class TS3UploadsManager;
+    friend class TS3DownloadsManager;
+    friend class TS3Downloader;
     friend struct TSetupSysLocks;
 
     friend class TTxStartMvccStateChange;
@@ -264,14 +264,14 @@ class TDataShard
     class TTxPersistSubDomainPathId;
     class TTxPersistSubDomainOutOfSpace;
 
-    class TTxRequestChangeRecords; 
-    class TTxRemoveChangeRecords; 
-    class TTxChangeExchangeHandshake; 
-    class TTxApplyChangeRecords; 
-    class TTxActivateChangeSender; 
-    class TTxActivateChangeSenderAck; 
-    class TTxChangeExchangeSplitAck; 
- 
+    class TTxRequestChangeRecords;
+    class TTxRemoveChangeRecords;
+    class TTxChangeExchangeHandshake;
+    class TTxApplyChangeRecords;
+    class TTxActivateChangeSender;
+    class TTxActivateChangeSenderAck;
+    class TTxChangeExchangeSplitAck;
+
     class TTxApplyReplicationChanges;
 
     struct TEvPrivate {
@@ -291,11 +291,11 @@ class TDataShard
             EvScanStats,
             EvPersistScanState,
             EvPersistScanStateAck,
-            EvConditionalEraseRowsRegistered, 
-            EvAsyncJobComplete, 
+            EvConditionalEraseRowsRegistered,
+            EvAsyncJobComplete,
             EvSubDomainPathIdFound,
-            EvRequestChangeRecords, 
-            EvRemoveChangeRecords, 
+            EvRequestChangeRecords,
+            EvRemoveChangeRecords,
             EvReplicationSourceOffsets,
             EvEnd
         };
@@ -384,26 +384,26 @@ class TDataShard
         };
 
         struct TEvPersistScanStateAck : public TEventLocal<TEvPersistScanStateAck, EvPersistScanStateAck> {};
- 
-        struct TEvConditionalEraseRowsRegistered : public TEventLocal<TEvConditionalEraseRowsRegistered, EvConditionalEraseRowsRegistered> { 
+
+        struct TEvConditionalEraseRowsRegistered : public TEventLocal<TEvConditionalEraseRowsRegistered, EvConditionalEraseRowsRegistered> {
             explicit TEvConditionalEraseRowsRegistered(ui64 txId, const TActorId& actorId)
-                : TxId(txId) 
-                , ActorId(actorId) 
-            { 
-            } 
- 
-            const ui64 TxId; 
+                : TxId(txId)
+                , ActorId(actorId)
+            {
+            }
+
+            const ui64 TxId;
             const TActorId ActorId;
-        }; 
- 
-        struct TEvAsyncJobComplete : public TEventLocal<TEvAsyncJobComplete, EvAsyncJobComplete> { 
+        };
+
+        struct TEvAsyncJobComplete : public TEventLocal<TEvAsyncJobComplete, EvAsyncJobComplete> {
             explicit TEvAsyncJobComplete(TAutoPtr<IDestructable> prod)
-                : Prod(prod) 
-            { 
-            } 
- 
+                : Prod(prod)
+            {
+            }
+
             TAutoPtr<IDestructable> Prod;
-        }; 
+        };
 
         struct TEvSubDomainPathIdFound : public TEventLocal<TEvSubDomainPathIdFound, EvSubDomainPathIdFound> {
             TEvSubDomainPathIdFound(ui64 schemeShardId, ui64 localPathId)
@@ -414,9 +414,9 @@ class TDataShard
             const ui64 SchemeShardId;
             const ui64 LocalPathId;
         };
- 
-        struct TEvRequestChangeRecords : public TEventLocal<TEvRequestChangeRecords, EvRequestChangeRecords> {}; 
-        struct TEvRemoveChangeRecords : public TEventLocal<TEvRemoveChangeRecords, EvRemoveChangeRecords> {}; 
+
+        struct TEvRequestChangeRecords : public TEventLocal<TEvRequestChangeRecords, EvRequestChangeRecords> {};
+        struct TEvRemoveChangeRecords : public TEventLocal<TEvRemoveChangeRecords, EvRemoveChangeRecords> {};
 
         struct TEvReplicationSourceOffsets : public TEventLocal<TEvReplicationSourceOffsets, EvReplicationSourceOffsets> {
             struct TSplitKey {
@@ -540,14 +540,14 @@ class TDataShard
             struct PlanStep :       Column<7, NScheme::NTypeIds::Uint64> {};
             struct ReadOnly :       Column<8, NScheme::NTypeIds::Bool> {};
 
-            struct Success :        Column<9, NScheme::NTypeIds::Bool> {}; 
-            struct Error :          Column<10, NScheme::NTypeIds::String> { using Type = TString; }; 
-            struct DataSize :       Column<11, NScheme::NTypeIds::Uint64> {}; // Bytes 
-            struct Rows :           Column<12, NScheme::NTypeIds::Uint64> {}; 
- 
+            struct Success :        Column<9, NScheme::NTypeIds::Bool> {};
+            struct Error :          Column<10, NScheme::NTypeIds::String> { using Type = TString; };
+            struct DataSize :       Column<11, NScheme::NTypeIds::Uint64> {}; // Bytes
+            struct Rows :           Column<12, NScheme::NTypeIds::Uint64> {};
+
             using TKey = TableKey<TxId>;
             using TColumns = TableColumns<TxId, Operation, Source, SourceTablet,
-                MinStep, MaxStep, PlanStep, ReadOnly, Success, Error, DataSize, Rows>; 
+                MinStep, MaxStep, PlanStep, ReadOnly, Success, Error, DataSize, Rows>;
         };
 
         // Here we persist snapshots metadata to preserve it across Src datashard restarts
@@ -591,8 +591,8 @@ class TDataShard
         };
 
         struct Snapshots : Table<14> {
-            struct Oid :             Column<1, NScheme::NTypeIds::Uint64> {}; // PathOwnerId 
-            struct Tid :             Column<2, NScheme::NTypeIds::Uint64> {}; // LocalPathId 
+            struct Oid :             Column<1, NScheme::NTypeIds::Uint64> {}; // PathOwnerId
+            struct Tid :             Column<2, NScheme::NTypeIds::Uint64> {}; // LocalPathId
             struct Step :            Column<3, NScheme::NTypeIds::Uint64> {};
             struct TxId :            Column<4, NScheme::NTypeIds::Uint64> {};
             struct Name :            Column<5, NScheme::NTypeIds::String> {};
@@ -603,97 +603,97 @@ class TDataShard
             using TColumns = TableColumns<Oid, Tid, Step, TxId, Name, Flags, TimeoutMs>;
         };
 
-        struct S3Uploads : Table<15> { 
-            struct TxId :            Column<1, NScheme::NTypeIds::Uint64> {}; 
-            struct UploadId :        Column<2, NScheme::NTypeIds::String> { using Type = TString; }; 
-            struct Status :          Column<3, NScheme::NTypeIds::Uint8> { using Type = TS3Upload::EStatus; static constexpr Type Default = TS3Upload::EStatus::UploadParts; }; 
-            struct Error :           Column<4, NScheme::NTypeIds::Utf8> { using Type = TString; }; 
- 
-            using TKey = TableKey<TxId>; 
-            using TColumns = TableColumns<TxId, UploadId, Status, Error>; 
-        }; 
- 
-        // deprecated 
-        struct S3UploadParts : Table<20> { 
-            struct TxId :            Column<1, NScheme::NTypeIds::Uint64> {}; 
-            struct PartNumber :      Column<2, NScheme::NTypeIds::Uint32> {}; 
-            struct ETag :            Column<3, NScheme::NTypeIds::String> { using Type = TString; }; 
- 
-            using TKey = TableKey<TxId>; 
-            using TColumns = TableColumns<TxId, PartNumber, ETag>; 
-        }; 
- 
-        struct S3UploadedParts : Table<23> { 
-            struct TxId :            Column<1, NScheme::NTypeIds::Uint64> {}; 
-            struct PartNumber :      Column<2, NScheme::NTypeIds::Uint32> {}; 
-            struct ETag :            Column<3, NScheme::NTypeIds::String> { using Type = TString; }; 
- 
-            using TKey = TableKey<TxId, PartNumber>; 
-            using TColumns = TableColumns<TxId, PartNumber, ETag>; 
-        }; 
- 
-        struct S3Downloads : Table<16> { 
-            struct TxId :            Column<1, NScheme::NTypeIds::Uint64> {}; 
-            struct SchemeETag :      Column<2, NScheme::NTypeIds::String> { using Type = TString; }; 
-            struct DataETag :        Column<3, NScheme::NTypeIds::String> { using Type = TString; }; 
-            struct ProcessedBytes :  Column<4, NScheme::NTypeIds::Uint64> {}; 
-            struct WrittenBytes :    Column<5, NScheme::NTypeIds::Uint64> {}; 
-            struct WrittenRows :     Column<6, NScheme::NTypeIds::Uint64> {}; 
- 
-            using TKey = TableKey<TxId>; 
-            using TColumns = TableColumns<TxId, SchemeETag, DataETag, ProcessedBytes, WrittenBytes, WrittenRows>; 
-        }; 
- 
-        struct ChangeRecords : Table<17> { 
-            struct Order :       Column<1, NScheme::NTypeIds::Uint64> {}; 
-            struct Group :       Column<2, NScheme::NTypeIds::Uint64> {}; 
-            struct PlanStep :    Column<3, NScheme::NTypeIds::Uint64> {}; 
-            struct TxId :        Column<4, NScheme::NTypeIds::Uint64> {}; 
-            struct PathOwnerId : Column<5, NScheme::NTypeIds::Uint64> {}; 
-            struct LocalPathId : Column<6, NScheme::NTypeIds::Uint64> {}; 
-            struct BodySize    : Column<7, NScheme::NTypeIds::Uint64> {}; 
- 
-            using TKey = TableKey<Order>; 
-            using TColumns = TableColumns<Order, Group, PlanStep, TxId, PathOwnerId, LocalPathId, BodySize>; 
-        }; 
- 
-        struct ChangeRecordDetails : Table<18> { 
-            struct Order : Column<1, NScheme::NTypeIds::Uint64> {}; 
-            struct Kind :  Column<2, NScheme::NTypeIds::Uint8> { using Type = TChangeRecord::EKind; }; 
-            struct Body :  Column<3, NScheme::NTypeIds::String> { using Type = TString; }; 
- 
-            using TKey = TableKey<Order>; 
-            using TColumns = TableColumns<Order, Kind, Body>; 
-        }; 
- 
-        struct ChangeSenders : Table<19> { 
-            struct Origin :          Column<1, NScheme::NTypeIds::Uint64> {}; 
-            struct Generation :      Column<2, NScheme::NTypeIds::Uint64> {}; 
-            struct LastRecordOrder : Column<3, NScheme::NTypeIds::Uint64> {}; 
-            struct LastSeenAt :      Column<4, NScheme::NTypeIds::Uint64> { using Type = TInstant::TValue; }; 
- 
-            using TKey = TableKey<Origin>; 
-            using TColumns = TableColumns<Origin, Generation, LastRecordOrder, LastSeenAt>; 
-        }; 
- 
-        // Table<20> was taken by S3UploadParts 
- 
-        struct SrcChangeSenderActivations : Table<21> { 
-            struct DstTabletId : Column<1, NScheme::NTypeIds::Uint64> {}; 
- 
-            using TKey = TableKey<DstTabletId>; 
-            using TColumns = TableColumns<DstTabletId>; 
-        }; 
- 
-        struct DstChangeSenderActivations : Table<22> { 
-            struct SrcTabletId : Column<1, NScheme::NTypeIds::Uint64> {}; 
- 
-            using TKey = TableKey<SrcTabletId>; 
-            using TColumns = TableColumns<SrcTabletId>; 
-        }; 
- 
-        // Table<23> is taken by S3UploadedParts 
- 
+        struct S3Uploads : Table<15> {
+            struct TxId :            Column<1, NScheme::NTypeIds::Uint64> {};
+            struct UploadId :        Column<2, NScheme::NTypeIds::String> { using Type = TString; };
+            struct Status :          Column<3, NScheme::NTypeIds::Uint8> { using Type = TS3Upload::EStatus; static constexpr Type Default = TS3Upload::EStatus::UploadParts; };
+            struct Error :           Column<4, NScheme::NTypeIds::Utf8> { using Type = TString; };
+
+            using TKey = TableKey<TxId>;
+            using TColumns = TableColumns<TxId, UploadId, Status, Error>;
+        };
+
+        // deprecated
+        struct S3UploadParts : Table<20> {
+            struct TxId :            Column<1, NScheme::NTypeIds::Uint64> {};
+            struct PartNumber :      Column<2, NScheme::NTypeIds::Uint32> {};
+            struct ETag :            Column<3, NScheme::NTypeIds::String> { using Type = TString; };
+
+            using TKey = TableKey<TxId>;
+            using TColumns = TableColumns<TxId, PartNumber, ETag>;
+        };
+
+        struct S3UploadedParts : Table<23> {
+            struct TxId :            Column<1, NScheme::NTypeIds::Uint64> {};
+            struct PartNumber :      Column<2, NScheme::NTypeIds::Uint32> {};
+            struct ETag :            Column<3, NScheme::NTypeIds::String> { using Type = TString; };
+
+            using TKey = TableKey<TxId, PartNumber>;
+            using TColumns = TableColumns<TxId, PartNumber, ETag>;
+        };
+
+        struct S3Downloads : Table<16> {
+            struct TxId :            Column<1, NScheme::NTypeIds::Uint64> {};
+            struct SchemeETag :      Column<2, NScheme::NTypeIds::String> { using Type = TString; };
+            struct DataETag :        Column<3, NScheme::NTypeIds::String> { using Type = TString; };
+            struct ProcessedBytes :  Column<4, NScheme::NTypeIds::Uint64> {};
+            struct WrittenBytes :    Column<5, NScheme::NTypeIds::Uint64> {};
+            struct WrittenRows :     Column<6, NScheme::NTypeIds::Uint64> {};
+
+            using TKey = TableKey<TxId>;
+            using TColumns = TableColumns<TxId, SchemeETag, DataETag, ProcessedBytes, WrittenBytes, WrittenRows>;
+        };
+
+        struct ChangeRecords : Table<17> {
+            struct Order :       Column<1, NScheme::NTypeIds::Uint64> {};
+            struct Group :       Column<2, NScheme::NTypeIds::Uint64> {};
+            struct PlanStep :    Column<3, NScheme::NTypeIds::Uint64> {};
+            struct TxId :        Column<4, NScheme::NTypeIds::Uint64> {};
+            struct PathOwnerId : Column<5, NScheme::NTypeIds::Uint64> {};
+            struct LocalPathId : Column<6, NScheme::NTypeIds::Uint64> {};
+            struct BodySize    : Column<7, NScheme::NTypeIds::Uint64> {};
+
+            using TKey = TableKey<Order>;
+            using TColumns = TableColumns<Order, Group, PlanStep, TxId, PathOwnerId, LocalPathId, BodySize>;
+        };
+
+        struct ChangeRecordDetails : Table<18> {
+            struct Order : Column<1, NScheme::NTypeIds::Uint64> {};
+            struct Kind :  Column<2, NScheme::NTypeIds::Uint8> { using Type = TChangeRecord::EKind; };
+            struct Body :  Column<3, NScheme::NTypeIds::String> { using Type = TString; };
+
+            using TKey = TableKey<Order>;
+            using TColumns = TableColumns<Order, Kind, Body>;
+        };
+
+        struct ChangeSenders : Table<19> {
+            struct Origin :          Column<1, NScheme::NTypeIds::Uint64> {};
+            struct Generation :      Column<2, NScheme::NTypeIds::Uint64> {};
+            struct LastRecordOrder : Column<3, NScheme::NTypeIds::Uint64> {};
+            struct LastSeenAt :      Column<4, NScheme::NTypeIds::Uint64> { using Type = TInstant::TValue; };
+
+            using TKey = TableKey<Origin>;
+            using TColumns = TableColumns<Origin, Generation, LastRecordOrder, LastSeenAt>;
+        };
+
+        // Table<20> was taken by S3UploadParts
+
+        struct SrcChangeSenderActivations : Table<21> {
+            struct DstTabletId : Column<1, NScheme::NTypeIds::Uint64> {};
+
+            using TKey = TableKey<DstTabletId>;
+            using TColumns = TableColumns<DstTabletId>;
+        };
+
+        struct DstChangeSenderActivations : Table<22> {
+            struct SrcTabletId : Column<1, NScheme::NTypeIds::Uint64> {};
+
+            using TKey = TableKey<SrcTabletId>;
+            using TColumns = TableColumns<SrcTabletId>;
+        };
+
+        // Table<23> is taken by S3UploadedParts
+
         struct ReplicationSourceOffsets : Table<24> {
             struct PathOwnerId : Column<1, NScheme::NTypeIds::Uint64> {};
             struct TablePathId : Column<2, NScheme::NTypeIds::Uint64> {};
@@ -736,24 +736,24 @@ class TDataShard
             using TColumns = TableColumns<Tid, FullCompactionTs>;
         };
 
-        struct SchemaSnapshots : Table<28> { 
-            struct PathOwnerId :   Column<1, NScheme::NTypeIds::Uint64> {}; 
-            struct LocalPathId :   Column<2, NScheme::NTypeIds::Uint64> {}; 
-            struct SchemaVersion : Column<3, NScheme::NTypeIds::Uint64> {}; 
-            struct Step :          Column<4, NScheme::NTypeIds::Uint64> {}; 
-            struct TxId :          Column<5, NScheme::NTypeIds::Uint64> {}; 
-            struct Schema :        Column<6, NScheme::NTypeIds::String> {}; 
- 
-            using TKey = TableKey<PathOwnerId, LocalPathId, SchemaVersion>; 
-            using TColumns = TableColumns<PathOwnerId, LocalPathId, SchemaVersion, Step, TxId, Schema>; 
-        }; 
- 
+        struct SchemaSnapshots : Table<28> {
+            struct PathOwnerId :   Column<1, NScheme::NTypeIds::Uint64> {};
+            struct LocalPathId :   Column<2, NScheme::NTypeIds::Uint64> {};
+            struct SchemaVersion : Column<3, NScheme::NTypeIds::Uint64> {};
+            struct Step :          Column<4, NScheme::NTypeIds::Uint64> {};
+            struct TxId :          Column<5, NScheme::NTypeIds::Uint64> {};
+            struct Schema :        Column<6, NScheme::NTypeIds::String> {};
+
+            using TKey = TableKey<PathOwnerId, LocalPathId, SchemaVersion>;
+            using TColumns = TableColumns<PathOwnerId, LocalPathId, SchemaVersion, Step, TxId, Schema>;
+        };
+
         using TTables = SchemaTables<Sys, UserTables, TxMain, TxDetails, InReadSets, OutReadSets, PlanQueue,
             DeadlineQueue, SchemaOperations, SplitSrcSnapshots, SplitDstReceivedSnapshots, TxArtifacts, ScanProgress,
-            Snapshots, S3Uploads, S3Downloads, ChangeRecords, ChangeRecordDetails, ChangeSenders, S3UploadedParts, 
+            Snapshots, S3Uploads, S3Downloads, ChangeRecords, ChangeRecordDetails, ChangeSenders, S3UploadedParts,
             SrcChangeSenderActivations, DstChangeSenderActivations,
             ReplicationSourceOffsets, ReplicationSources, DstReplicationSourceOffsetsReceived,
-            UserTablesStats, SchemaSnapshots>; 
+            UserTablesStats, SchemaSnapshots>;
 
         // These settings are persisted on each Init. So we use empty settings in order not to overwrite what
         // was changed by the user
@@ -802,9 +802,9 @@ class TDataShard
             Sys_SubDomainLocalPathId, // 34 LocalPathId of the subdomain path id
             Sys_SubDomainOutOfSpace, // 35 Boolean flag indicating database is out of space
 
-            Sys_NextChangeRecordOrder, // 36 Next order of change record 
-            Sys_LastChangeRecordGroup, // 37 Last group number of change records 
- 
+            Sys_NextChangeRecordOrder, // 36 Next order of change record
+            Sys_LastChangeRecordGroup, // 37 Last group number of change records
+
             // reserved
             SysPipeline_Flags = 1000,
             SysPipeline_LimitActiveTx,
@@ -919,9 +919,9 @@ class TDataShard
     void Handle(TEvDataShard::TEvS3ListingRequest::TPtr& ev, const TActorContext& ctx);
     void Handle(TEvDataShard::TEvKqpScan::TPtr& ev, const TActorContext& ctx);
     void Handle(TEvDataShard::TEvUploadRowsRequest::TPtr& ev, const TActorContext& ctx);
-    void Handle(TEvDataShard::TEvEraseRowsRequest::TPtr& ev, const TActorContext& ctx); 
-    void Handle(TEvDataShard::TEvConditionalEraseRowsRequest::TPtr& ev, const TActorContext& ctx); 
-    void Handle(TEvPrivate::TEvConditionalEraseRowsRegistered::TPtr& ev, const TActorContext& ctx); 
+    void Handle(TEvDataShard::TEvEraseRowsRequest::TPtr& ev, const TActorContext& ctx);
+    void Handle(TEvDataShard::TEvConditionalEraseRowsRequest::TPtr& ev, const TActorContext& ctx);
+    void Handle(TEvPrivate::TEvConditionalEraseRowsRegistered::TPtr& ev, const TActorContext& ctx);
     void Handle(TEvDataShard::TEvRead::TPtr& ev, const TActorContext& ctx);
     void Handle(TEvDataShard::TEvReadContinue::TPtr& ev, const TActorContext& ctx);
     void Handle(TEvDataShard::TEvReadAck::TPtr& ev, const TActorContext& ctx);
@@ -939,18 +939,18 @@ class TDataShard
     void Handle(TEvDataShard::TEvRefreshVolatileSnapshotRequest::TPtr& ev, const TActorContext& ctx);
     void Handle(TEvDataShard::TEvDiscardVolatileSnapshotRequest::TPtr& ev, const TActorContext& ctx);
     void Handle(TEvDataShard::TEvMigrateSchemeShardRequest::TPtr& ev, const TActorContext& ctx);
-    void Handle(TEvDataShard::TEvGetS3Upload::TPtr& ev, const TActorContext& ctx); 
-    void Handle(TEvDataShard::TEvStoreS3UploadId::TPtr& ev, const TActorContext& ctx); 
-    void Handle(TEvDataShard::TEvChangeS3UploadStatus::TPtr& ev, const TActorContext& ctx); 
-    void Handle(TEvDataShard::TEvGetS3DownloadInfo::TPtr& ev, const TActorContext& ctx); 
-    void Handle(TEvDataShard::TEvStoreS3DownloadInfo::TPtr& ev, const TActorContext& ctx); 
-    void Handle(TEvDataShard::TEvUnsafeUploadRowsRequest::TPtr& ev, const TActorContext& ctx); 
+    void Handle(TEvDataShard::TEvGetS3Upload::TPtr& ev, const TActorContext& ctx);
+    void Handle(TEvDataShard::TEvStoreS3UploadId::TPtr& ev, const TActorContext& ctx);
+    void Handle(TEvDataShard::TEvChangeS3UploadStatus::TPtr& ev, const TActorContext& ctx);
+    void Handle(TEvDataShard::TEvGetS3DownloadInfo::TPtr& ev, const TActorContext& ctx);
+    void Handle(TEvDataShard::TEvStoreS3DownloadInfo::TPtr& ev, const TActorContext& ctx);
+    void Handle(TEvDataShard::TEvUnsafeUploadRowsRequest::TPtr& ev, const TActorContext& ctx);
     void Handle(TEvDataShard::TEvBuildIndexCreateRequest::TPtr& ev, const TActorContext& ctx);
-    void Handle(TEvPrivate::TEvAsyncJobComplete::TPtr& ev, const TActorContext& ctx); 
+    void Handle(TEvPrivate::TEvAsyncJobComplete::TPtr& ev, const TActorContext& ctx);
+
+    void Handle(TEvDataShard::TEvCancelBackup::TPtr &ev, const TActorContext &ctx);
+    void Handle(TEvDataShard::TEvCancelRestore::TPtr &ev, const TActorContext &ctx);
 
-    void Handle(TEvDataShard::TEvCancelBackup::TPtr &ev, const TActorContext &ctx); 
-    void Handle(TEvDataShard::TEvCancelRestore::TPtr &ev, const TActorContext &ctx); 
- 
     void Handle(TEvTxProcessing::TEvStreamClearanceResponse::TPtr &ev, const TActorContext &ctx) {
         ForwardEventToOperation(ev, ctx);
     }
@@ -968,21 +968,21 @@ class TDataShard
     void Handle(TEvPrivate::TEvSubDomainPathIdFound::TPtr& ev, const TActorContext& ctx);
     void Handle(TEvTxProxySchemeCache::TEvWatchNotifyUpdated::TPtr& ev, const TActorContext& ctx);
 
-    // change sending 
-    void Handle(TEvChangeExchange::TEvRequestRecords::TPtr& ev, const TActorContext& ctx); 
-    void Handle(TEvChangeExchange::TEvRemoveRecords::TPtr& ev, const TActorContext& ctx); 
-    void ScheduleRequestChangeRecords(const TActorContext& ctx); 
-    void ScheduleRemoveChangeRecords(const TActorContext& ctx); 
-    void Handle(TEvPrivate::TEvRequestChangeRecords::TPtr& ev, const TActorContext& ctx); 
-    void Handle(TEvPrivate::TEvRemoveChangeRecords::TPtr& ev, const TActorContext& ctx); 
-    // change receiving 
-    void Handle(TEvChangeExchange::TEvHandshake::TPtr& ev, const TActorContext& ctx); 
-    void Handle(TEvChangeExchange::TEvApplyRecords::TPtr& ev, const TActorContext& ctx); 
-    // activation 
-    void Handle(TEvChangeExchange::TEvActivateSender::TPtr& ev, const TActorContext& ctx); 
-    void Handle(TEvChangeExchange::TEvActivateSenderAck::TPtr& ev, const TActorContext& ctx); 
-    void Handle(TEvChangeExchange::TEvSplitAck::TPtr& ev, const TActorContext& ctx); 
- 
+    // change sending
+    void Handle(TEvChangeExchange::TEvRequestRecords::TPtr& ev, const TActorContext& ctx);
+    void Handle(TEvChangeExchange::TEvRemoveRecords::TPtr& ev, const TActorContext& ctx);
+    void ScheduleRequestChangeRecords(const TActorContext& ctx);
+    void ScheduleRemoveChangeRecords(const TActorContext& ctx);
+    void Handle(TEvPrivate::TEvRequestChangeRecords::TPtr& ev, const TActorContext& ctx);
+    void Handle(TEvPrivate::TEvRemoveChangeRecords::TPtr& ev, const TActorContext& ctx);
+    // change receiving
+    void Handle(TEvChangeExchange::TEvHandshake::TPtr& ev, const TActorContext& ctx);
+    void Handle(TEvChangeExchange::TEvApplyRecords::TPtr& ev, const TActorContext& ctx);
+    // activation
+    void Handle(TEvChangeExchange::TEvActivateSender::TPtr& ev, const TActorContext& ctx);
+    void Handle(TEvChangeExchange::TEvActivateSenderAck::TPtr& ev, const TActorContext& ctx);
+    void Handle(TEvChangeExchange::TEvSplitAck::TPtr& ev, const TActorContext& ctx);
+
     void Handle(TEvDataShard::TEvGetRemovedRowVersions::TPtr& ev, const TActorContext& ctx);
 
     void Handle(TEvDataShard::TEvCompactBorrowed::TPtr& ev, const TActorContext& ctx);
@@ -1017,7 +1017,7 @@ class TDataShard
     void OnTabletDead(TEvTablet::TEvTabletDead::TPtr &ev, const TActorContext &ctx) override;
     void OnActivateExecutor(const TActorContext &ctx) override;
 
-    void Cleanup(const TActorContext &ctx); 
+    void Cleanup(const TActorContext &ctx);
     void SwitchToWork(const TActorContext &ctx);
     void SyncConfig();
 
@@ -1340,38 +1340,38 @@ public:
         return Executor()->Step();
     }
 
-    TSchemaOperation *FindSchemaTx(ui64 txId) { return TransQueue.FindSchemaTx(txId); } 
+    TSchemaOperation *FindSchemaTx(ui64 txId) { return TransQueue.FindSchemaTx(txId); }
 
-    TUserTable::TPtr AlterTableSchemaVersion( 
-        const TActorContext& ctx, TTransactionContext& txc, 
-        const TPathId& pathId, const ui64 tableSchemaVersion, 
-        bool persist = true); 
+    TUserTable::TPtr AlterTableSchemaVersion(
+        const TActorContext& ctx, TTransactionContext& txc,
+        const TPathId& pathId, const ui64 tableSchemaVersion,
+        bool persist = true);
 
-    TUserTable::TPtr AlterTableAddIndex( 
-        const TActorContext& ctx, TTransactionContext& txc, 
-        const TPathId& pathId, ui64 tableSchemaVersion, 
+    TUserTable::TPtr AlterTableAddIndex(
+        const TActorContext& ctx, TTransactionContext& txc,
+        const TPathId& pathId, ui64 tableSchemaVersion,
         const NKikimrSchemeOp::TIndexDescription& indexDesc);
- 
-    TUserTable::TPtr AlterTableDropIndex( 
-        const TActorContext& ctx, TTransactionContext& txc, 
-        const TPathId& pathId, ui64 tableSchemaVersion, 
-        const TPathId& indexPathId); 
- 
-    TUserTable::TPtr AlterTableAddCdcStream( 
-        const TActorContext& ctx, TTransactionContext& txc, 
-        const TPathId& pathId, ui64 tableSchemaVersion, 
+
+    TUserTable::TPtr AlterTableDropIndex(
+        const TActorContext& ctx, TTransactionContext& txc,
+        const TPathId& pathId, ui64 tableSchemaVersion,
+        const TPathId& indexPathId);
+
+    TUserTable::TPtr AlterTableAddCdcStream(
+        const TActorContext& ctx, TTransactionContext& txc,
+        const TPathId& pathId, ui64 tableSchemaVersion,
         const NKikimrSchemeOp::TCdcStreamDescription& streamDesc);
- 
-    TUserTable::TPtr AlterTableDisableCdcStream( 
-        const TActorContext& ctx, TTransactionContext& txc, 
-        const TPathId& pathId, ui64 tableSchemaVersion, 
-        const TPathId& streamPathId); 
- 
-    TUserTable::TPtr AlterTableDropCdcStream( 
-        const TActorContext& ctx, TTransactionContext& txc, 
-        const TPathId& pathId, ui64 tableSchemaVersion, 
-        const TPathId& streamPathId); 
- 
+
+    TUserTable::TPtr AlterTableDisableCdcStream(
+        const TActorContext& ctx, TTransactionContext& txc,
+        const TPathId& pathId, ui64 tableSchemaVersion,
+        const TPathId& streamPathId);
+
+    TUserTable::TPtr AlterTableDropCdcStream(
+        const TActorContext& ctx, TTransactionContext& txc,
+        const TPathId& pathId, ui64 tableSchemaVersion,
+        const TPathId& streamPathId);
+
     TUserTable::TPtr CreateUserTable(TTransactionContext& txc, const NKikimrSchemeOp::TTableDescription& tableScheme);
     TUserTable::TPtr AlterUserTable(const TActorContext& ctx, TTransactionContext& txc,
                                     const NKikimrSchemeOp::TTableDescription& tableScheme);
@@ -1381,34 +1381,34 @@ public:
 
     ui32 GetLastLocalTid() const { return LastLocalTid; }
 
-    ui64 AllocateChangeRecordOrder(NIceDb::TNiceDb& db); 
-    ui64 AllocateChangeRecordGroup(NIceDb::TNiceDb& db); 
-    void PersistChangeRecord(NIceDb::TNiceDb& db, const TChangeRecord& record); 
+    ui64 AllocateChangeRecordOrder(NIceDb::TNiceDb& db);
+    ui64 AllocateChangeRecordGroup(NIceDb::TNiceDb& db);
+    void PersistChangeRecord(NIceDb::TNiceDb& db, const TChangeRecord& record);
     void MoveChangeRecord(NIceDb::TNiceDb& db, ui64 order, const TPathId& pathId);
-    void RemoveChangeRecord(NIceDb::TNiceDb& db, ui64 order); 
-    void EnqueueChangeRecords(TVector<TEvChangeExchange::TEvEnqueueRecords::TRecordInfo>&& records); 
-    void CreateChangeSender(const TActorContext& ctx); 
-    void KillChangeSender(const TActorContext& ctx); 
-    void MaybeActivateChangeSender(const TActorContext& ctx); 
-    const TActorId& GetChangeSender() const { return OutChangeSender; } 
+    void RemoveChangeRecord(NIceDb::TNiceDb& db, ui64 order);
+    void EnqueueChangeRecords(TVector<TEvChangeExchange::TEvEnqueueRecords::TRecordInfo>&& records);
+    void CreateChangeSender(const TActorContext& ctx);
+    void KillChangeSender(const TActorContext& ctx);
+    void MaybeActivateChangeSender(const TActorContext& ctx);
+    const TActorId& GetChangeSender() const { return OutChangeSender; }
     bool LoadChangeRecords(NIceDb::TNiceDb& db, TVector<TEvChangeExchange::TEvEnqueueRecords::TRecordInfo>& changeRecords);
- 
 
-    static void PersistSchemeTxResult(NIceDb::TNiceDb &db, const TSchemaOperation& op); 
+
+    static void PersistSchemeTxResult(NIceDb::TNiceDb &db, const TSchemaOperation& op);
     void NotifySchemeshard(const TActorContext& ctx, ui64 txId = 0);
- 
+
     TThrRefBase* GetDataShardSysTables() { return DataShardSysTables.Get(); }
 
     TSnapshotManager& GetSnapshotManager() { return SnapshotManager; }
     const TSnapshotManager& GetSnapshotManager() const { return SnapshotManager; }
 
-    TSchemaSnapshotManager& GetSchemaSnapshotManager() { return SchemaSnapshotManager; } 
-    const TSchemaSnapshotManager& GetSchemaSnapshotManager() const { return SchemaSnapshotManager; } 
- 
-    template <typename... Args> 
-    bool PromoteCompleteEdge(Args&&... args) { 
-        return SnapshotManager.PromoteCompleteEdge(std::forward<Args>(args)...); 
-    } 
+    TSchemaSnapshotManager& GetSchemaSnapshotManager() { return SchemaSnapshotManager; }
+    const TSchemaSnapshotManager& GetSchemaSnapshotManager() const { return SchemaSnapshotManager; }
+
+    template <typename... Args>
+    bool PromoteCompleteEdge(Args&&... args) {
+        return SnapshotManager.PromoteCompleteEdge(std::forward<Args>(args)...);
+    }
 
     TBuildIndexManager& GetBuildIndexManager() { return BuildIndexManager; }
     const TBuildIndexManager& GetBuildIndexManager() const { return BuildIndexManager; }
@@ -1441,8 +1441,8 @@ public:
     bool WaitPlanStep(ui64 step);
     bool CheckTxNeedWait(const TEvDataShard::TEvProposeTransaction::TPtr& ev) const;
 
-    bool CheckChangesQueueOverflow() const; 
- 
+    bool CheckChangesQueueOverflow() const;
+
 private:
     ///
     class TLoanReturnTracker {
@@ -1620,10 +1620,10 @@ private:
             return DataToSend.empty();
         }
 
-        bool Acked(ui64 dstTabletId) const { 
-            return !DataToSend.contains(dstTabletId); 
-        } 
- 
+        bool Acked(ui64 dstTabletId) const {
+            return !DataToSend.contains(dstTabletId);
+        }
+
         bool Has(ui64 dstTabletId, TActorId pipeClientActorId) const {
             return PipesToDstShards.contains(dstTabletId) && *PipesToDstShards.FindPtr(dstTabletId) == pipeClientActorId;
         }
@@ -1641,141 +1641,141 @@ private:
         THashMap<ui64, TActorId> PipesToDstShards;
     };
 
-    /// 
-    class TChangeSenderActivator { 
-    public: 
-        explicit TChangeSenderActivator(ui64 selfTabletId) 
-            : Origin(selfTabletId) 
+    ///
+    class TChangeSenderActivator {
+    public:
+        explicit TChangeSenderActivator(ui64 selfTabletId)
+            : Origin(selfTabletId)
             , PipeRetryPolicy{
                 .RetryLimitCount = 20,
                 .MinRetryTime = TDuration::MilliSeconds(10),
                 .MaxRetryTime = TDuration::MilliSeconds(500),
                 .BackoffMultiplier = 2
             }
-        { 
-        } 
- 
-        void AddDst(ui64 dstTabletId) { 
-            Dst.insert(dstTabletId); 
-        } 
- 
-        const THashSet<ui64>& GetDstSet() const { 
-            return Dst; 
-        } 
- 
-        void DoSend(ui64 dstTabletId, const TActorContext& ctx) { 
-            Y_VERIFY(Dst.contains(dstTabletId)); 
-            NTabletPipe::TClientConfig clientConfig; 
-            clientConfig.CheckAliveness = true; 
-            clientConfig.RetryPolicy = PipeRetryPolicy; 
-            PipesToDstShards[dstTabletId] = ctx.Register(NTabletPipe::CreateClient(ctx.SelfID, dstTabletId, clientConfig)); 
- 
-            auto ev = MakeHolder<TEvChangeExchange::TEvActivateSender>(); 
-            ev->Record.SetOrigin(Origin); 
- 
-            LOG_DEBUG_S(ctx, NKikimrServices::TX_DATASHARD, "Activate change sender" 
-                << ": origin# " << ev->Record.GetOrigin() 
-                << ", dst# " << dstTabletId); 
- 
-            NTabletPipe::SendData(ctx, PipesToDstShards[dstTabletId], ev.Release()); 
-        } 
- 
-        bool Ack(ui64 dstTabletId, const TActorContext &ctx) { 
-            if (!Dst.contains(dstTabletId)) { 
-                return false; 
-            } 
- 
-            NTabletPipe::CloseClient(ctx, PipesToDstShards[dstTabletId]); 
-            PipesToDstShards.erase(dstTabletId); 
-            Dst.erase(dstTabletId); 
- 
-            return true; 
-        } 
- 
-        void AutoAck(ui64 dstTabletId, const TActorContext &ctx) { 
-            if (!Ack(dstTabletId, ctx)) { 
-                return; 
-            } 
- 
-            auto ev = MakeHolder<TEvChangeExchange::TEvActivateSenderAck>(); 
-            ev->Record.SetOrigin(dstTabletId); 
-            ctx.Send(ctx.SelfID, ev.Release()); 
-        } 
- 
-        bool AllAcked() const { 
-            return Dst.empty(); 
-        } 
- 
-        bool Acked(ui64 dstTabletId) const { 
-            return !Dst.contains(dstTabletId); 
-        } 
- 
-        bool Has(ui64 dstTabletId, TActorId pipeClientActorId) const { 
-            auto it = PipesToDstShards.find(dstTabletId); 
-            if (it == PipesToDstShards.end()) { 
-                return false; 
-            } 
- 
-            return it->second == pipeClientActorId; 
-        } 
- 
-        void Shutdown(const TActorContext &ctx) { 
-            for (const auto& p : PipesToDstShards) { 
-                NTabletPipe::CloseClient(ctx, p.second); 
-            } 
-        } 
- 
-        TString Dump() const { 
-            return JoinSeq(", ", Dst); 
-        } 
- 
-    private: 
-        const ui64 Origin; 
+        {
+        }
+
+        void AddDst(ui64 dstTabletId) {
+            Dst.insert(dstTabletId);
+        }
+
+        const THashSet<ui64>& GetDstSet() const {
+            return Dst;
+        }
+
+        void DoSend(ui64 dstTabletId, const TActorContext& ctx) {
+            Y_VERIFY(Dst.contains(dstTabletId));
+            NTabletPipe::TClientConfig clientConfig;
+            clientConfig.CheckAliveness = true;
+            clientConfig.RetryPolicy = PipeRetryPolicy;
+            PipesToDstShards[dstTabletId] = ctx.Register(NTabletPipe::CreateClient(ctx.SelfID, dstTabletId, clientConfig));
+
+            auto ev = MakeHolder<TEvChangeExchange::TEvActivateSender>();
+            ev->Record.SetOrigin(Origin);
+
+            LOG_DEBUG_S(ctx, NKikimrServices::TX_DATASHARD, "Activate change sender"
+                << ": origin# " << ev->Record.GetOrigin()
+                << ", dst# " << dstTabletId);
+
+            NTabletPipe::SendData(ctx, PipesToDstShards[dstTabletId], ev.Release());
+        }
+
+        bool Ack(ui64 dstTabletId, const TActorContext &ctx) {
+            if (!Dst.contains(dstTabletId)) {
+                return false;
+            }
+
+            NTabletPipe::CloseClient(ctx, PipesToDstShards[dstTabletId]);
+            PipesToDstShards.erase(dstTabletId);
+            Dst.erase(dstTabletId);
+
+            return true;
+        }
+
+        void AutoAck(ui64 dstTabletId, const TActorContext &ctx) {
+            if (!Ack(dstTabletId, ctx)) {
+                return;
+            }
+
+            auto ev = MakeHolder<TEvChangeExchange::TEvActivateSenderAck>();
+            ev->Record.SetOrigin(dstTabletId);
+            ctx.Send(ctx.SelfID, ev.Release());
+        }
+
+        bool AllAcked() const {
+            return Dst.empty();
+        }
+
+        bool Acked(ui64 dstTabletId) const {
+            return !Dst.contains(dstTabletId);
+        }
+
+        bool Has(ui64 dstTabletId, TActorId pipeClientActorId) const {
+            auto it = PipesToDstShards.find(dstTabletId);
+            if (it == PipesToDstShards.end()) {
+                return false;
+            }
+
+            return it->second == pipeClientActorId;
+        }
+
+        void Shutdown(const TActorContext &ctx) {
+            for (const auto& p : PipesToDstShards) {
+                NTabletPipe::CloseClient(ctx, p.second);
+            }
+        }
+
+        TString Dump() const {
+            return JoinSeq(", ", Dst);
+        }
+
+    private:
+        const ui64 Origin;
         NTabletPipe::TClientRetryPolicy PipeRetryPolicy;
- 
-        THashSet<ui64> Dst; 
-        THashMap<ui64, TActorId> PipesToDstShards; 
-    }; 
- 
-    class TChangeExchangeSplitter { 
-    public: 
-        explicit TChangeExchangeSplitter(const TDataShard* self) 
-            : Self(self) 
-        { 
-        } 
- 
-        void AddDst(ui64 dstTabletId) { 
-            DstTabletIds.insert(dstTabletId); 
-        } 
- 
-        void DoSplit(const TActorContext& ctx) { 
-            Y_VERIFY(DstTabletIds); 
-            Worker = ctx.Register(CreateChangeExchangeSplit(Self, TVector<ui64>(DstTabletIds.begin(), DstTabletIds.end()))); 
-            Acked = false; 
-        } 
- 
-        void Ack() { 
-            Acked = true; 
-        } 
- 
-        bool Done() const { 
-            return !DstTabletIds || Acked; 
-        } 
- 
-        void Shutdown(const TActorContext& ctx) { 
-            if (Worker) { 
-                ctx.Send(std::exchange(Worker, TActorId()), new TEvents::TEvPoisonPill()); 
-            } 
-        } 
- 
-    private: 
-        const TDataShard* Self; 
- 
-        THashSet<ui64> DstTabletIds; 
-        TActorId Worker; 
-        bool Acked = false; 
-    }; 
- 
+
+        THashSet<ui64> Dst;
+        THashMap<ui64, TActorId> PipesToDstShards;
+    };
+
+    class TChangeExchangeSplitter {
+    public:
+        explicit TChangeExchangeSplitter(const TDataShard* self)
+            : Self(self)
+        {
+        }
+
+        void AddDst(ui64 dstTabletId) {
+            DstTabletIds.insert(dstTabletId);
+        }
+
+        void DoSplit(const TActorContext& ctx) {
+            Y_VERIFY(DstTabletIds);
+            Worker = ctx.Register(CreateChangeExchangeSplit(Self, TVector<ui64>(DstTabletIds.begin(), DstTabletIds.end())));
+            Acked = false;
+        }
+
+        void Ack() {
+            Acked = true;
+        }
+
+        bool Done() const {
+            return !DstTabletIds || Acked;
+        }
+
+        void Shutdown(const TActorContext& ctx) {
+            if (Worker) {
+                ctx.Send(std::exchange(Worker, TActorId()), new TEvents::TEvPoisonPill());
+            }
+        }
+
+    private:
+        const TDataShard* Self;
+
+        THashSet<ui64> DstTabletIds;
+        TActorId Worker;
+        bool Acked = false;
+    };
+
     // For follower only
     struct TFollowerState {
         ui64 LastSchemeUpdate = 0;
@@ -1927,7 +1927,7 @@ private:
     std::shared_ptr<NKikimrTxDataShard::TSplitMergeDescription> DstSplitDescription;
     std::shared_ptr<NKikimrTxDataShard::TSplitMergeDescription> SrcSplitDescription;
     THashSet<TActorId> SrcAckSplitTo;
-    THashMap<TActorId, THashSet<ui64>> SrcAckPartitioningChangedTo; 
+    THashMap<TActorId, THashSet<ui64>> SrcAckPartitioningChangedTo;
     const ui32 SysTablesToTransferAtSplit[4] = {
             Schema::TxMain::TableId,
             Schema::TxDetails::TableId,
@@ -1941,8 +1941,8 @@ private:
     ui32 State;
     ui32 LastLocalTid;
     ui64 LastSeqno;
-    ui64 NextChangeRecordOrder; 
-    ui64 LastChangeRecordGroup; 
+    ui64 NextChangeRecordOrder;
+    ui64 LastChangeRecordGroup;
     ui64 TxReadSizeLimit;
     ui64 StatisticsDisabled;
     bool Stopping = false;
@@ -1960,15 +1960,15 @@ private:
     TSysLocks SysLocks;
 
     TSnapshotManager SnapshotManager;
-    TSchemaSnapshotManager SchemaSnapshotManager; 
+    TSchemaSnapshotManager SchemaSnapshotManager;
 
     TReplicationSourceOffsetsServerLink ReplicationSourceOffsetsServer;
 
     TBuildIndexManager BuildIndexManager;
 
-    TS3UploadsManager S3Uploads; 
-    TS3DownloadsManager S3Downloads; 
- 
+    TS3UploadsManager S3Uploads;
+    TS3DownloadsManager S3Downloads;
+
     TIntrusivePtr<TMediatorTimecastEntry> MediatorTimeCastEntry;
     TSet<ui64> MediatorTimeCastWaitingSteps;
 
@@ -1999,71 +1999,71 @@ private:
     // Simple volatile counter
     ui64 NextTieBreakerIndex = 1;
 
-    struct TInFlightCondErase { 
-        ui64 TxId; 
-        ui64 ScanId; 
+    struct TInFlightCondErase {
+        ui64 TxId;
+        ui64 ScanId;
         TActorId ActorId;
-        ui32 Condition; 
- 
-        TInFlightCondErase() { 
-            Clear(); 
-        } 
- 
-        void Clear() { 
-            TxId = 0; 
-            ScanId = 0; 
+        ui32 Condition;
+
+        TInFlightCondErase() {
+            Clear();
+        }
+
+        void Clear() {
+            TxId = 0;
+            ScanId = 0;
             ActorId = TActorId();
-            Condition = 0; 
-        } 
- 
-        void Enqueue(ui64 txId, ui64 scanId, ui32 condition) { 
-            TxId = txId; 
-            ScanId = scanId; 
-            Condition = condition; 
-        } 
- 
-        explicit operator bool() const { 
-            return bool(ScanId); 
-        } 
- 
-        bool IsActive() const { 
-            return bool(ActorId); 
-        } 
-    }; 
- 
-    TInFlightCondErase InFlightCondErase; 
- 
-    /// change sending & receiving 
-    struct TInChangeSender { 
-        ui64 Generation; 
-        ui64 LastRecordOrder; 
- 
-        explicit TInChangeSender(ui64 generation, ui64 lastRecordOrder = 0) 
-            : Generation(generation) 
-            , LastRecordOrder(lastRecordOrder) 
-        { 
-        } 
-    }; 
- 
-    using TRequestedRecord = TEvChangeExchange::TEvRequestRecords::TRecordInfo; 
- 
-    // split/merge 
-    TChangeSenderActivator ChangeSenderActivator; 
-    TChangeExchangeSplitter ChangeExchangeSplitter; 
-    THashSet<ui64> ReceiveActivationsFrom; 
- 
-    // out 
-    THashMap<TActorId, TSet<TRequestedRecord>> ChangeRecordsRequested; 
-    TSet<ui64> ChangeRecordsToRemove; // ui64 is order 
-    bool RequestChangeRecordsInFly = false; 
-    bool RemoveChangeRecordsInFly = false; 
-    THashMap<ui64, ui64> ChangesQueue; // order to size 
-    ui64 ChangesQueueBytes = 0; 
-    TActorId OutChangeSender; 
- 
-    // in 
-    THashMap<ui64, TInChangeSender> InChangeSenders; // ui64 is shard id 
- 
+            Condition = 0;
+        }
+
+        void Enqueue(ui64 txId, ui64 scanId, ui32 condition) {
+            TxId = txId;
+            ScanId = scanId;
+            Condition = condition;
+        }
+
+        explicit operator bool() const {
+            return bool(ScanId);
+        }
+
+        bool IsActive() const {
+            return bool(ActorId);
+        }
+    };
+
+    TInFlightCondErase InFlightCondErase;
+
+    /// change sending & receiving
+    struct TInChangeSender {
+        ui64 Generation;
+        ui64 LastRecordOrder;
+
+        explicit TInChangeSender(ui64 generation, ui64 lastRecordOrder = 0)
+            : Generation(generation)
+            , LastRecordOrder(lastRecordOrder)
+        {
+        }
+    };
+
+    using TRequestedRecord = TEvChangeExchange::TEvRequestRecords::TRecordInfo;
+
+    // split/merge
+    TChangeSenderActivator ChangeSenderActivator;
+    TChangeExchangeSplitter ChangeExchangeSplitter;
+    THashSet<ui64> ReceiveActivationsFrom;
+
+    // out
+    THashMap<TActorId, TSet<TRequestedRecord>> ChangeRecordsRequested;
+    TSet<ui64> ChangeRecordsToRemove; // ui64 is order
+    bool RequestChangeRecordsInFly = false;
+    bool RemoveChangeRecordsInFly = false;
+    THashMap<ui64, ui64> ChangesQueue; // order to size
+    ui64 ChangesQueueBytes = 0;
+    TActorId OutChangeSender;
+
+    // in
+    THashMap<ui64, TInChangeSender> InChangeSenders; // ui64 is shard id
+
     // compactionId, tableId/ownerId, actorId
     using TCompactionWaiter = std::tuple<ui64, TPathId, TActorId>;
     using TCompactionWaiterList = TList<TCompactionWaiter>;
@@ -2138,13 +2138,13 @@ protected:
             HFuncTraced(TEvDataShard::TEvProposeTransaction, Handle);
             HFuncTraced(TEvDataShard::TEvProposeTransactionAttach, Handle);
             HFuncTraced(TEvDataShard::TEvCancelBackup, Handle);
-            HFuncTraced(TEvDataShard::TEvCancelRestore, Handle); 
-            HFuncTraced(TEvDataShard::TEvGetS3Upload, Handle); 
-            HFuncTraced(TEvDataShard::TEvStoreS3UploadId, Handle); 
-            HFuncTraced(TEvDataShard::TEvChangeS3UploadStatus, Handle); 
-            HFuncTraced(TEvDataShard::TEvGetS3DownloadInfo, Handle); 
-            HFuncTraced(TEvDataShard::TEvStoreS3DownloadInfo, Handle); 
-            HFuncTraced(TEvDataShard::TEvUnsafeUploadRowsRequest, Handle); 
+            HFuncTraced(TEvDataShard::TEvCancelRestore, Handle);
+            HFuncTraced(TEvDataShard::TEvGetS3Upload, Handle);
+            HFuncTraced(TEvDataShard::TEvStoreS3UploadId, Handle);
+            HFuncTraced(TEvDataShard::TEvChangeS3UploadStatus, Handle);
+            HFuncTraced(TEvDataShard::TEvGetS3DownloadInfo, Handle);
+            HFuncTraced(TEvDataShard::TEvStoreS3DownloadInfo, Handle);
+            HFuncTraced(TEvDataShard::TEvUnsafeUploadRowsRequest, Handle);
             HFuncTraced(TEvDataShard::TEvMigrateSchemeShardRequest, Handle);
             HFuncTraced(TEvTxProcessing::TEvPlanStep, Handle);
             HFuncTraced(TEvTxProcessing::TEvReadSet, Handle);
@@ -2181,9 +2181,9 @@ protected:
             HFunc(TEvDataShard::TEvS3ListingRequest, Handle);
             HFunc(TEvDataShard::TEvKqpScan, Handle);
             HFunc(TEvDataShard::TEvUploadRowsRequest, Handle);
-            HFunc(TEvDataShard::TEvEraseRowsRequest, Handle); 
-            HFunc(TEvDataShard::TEvConditionalEraseRowsRequest, Handle); 
-            HFunc(TEvPrivate::TEvConditionalEraseRowsRegistered, Handle); 
+            HFunc(TEvDataShard::TEvEraseRowsRequest, Handle);
+            HFunc(TEvDataShard::TEvConditionalEraseRowsRequest, Handle);
+            HFunc(TEvPrivate::TEvConditionalEraseRowsRegistered, Handle);
             HFunc(TEvDataShard::TEvRead, Handle);
             HFunc(TEvDataShard::TEvReadContinue, Handle);
             HFunc(TEvDataShard::TEvReadAck, Handle);
@@ -2201,7 +2201,7 @@ protected:
             HFunc(TEvDataShard::TEvRefreshVolatileSnapshotRequest, Handle);
             HFunc(TEvDataShard::TEvDiscardVolatileSnapshotRequest, Handle);
             HFuncTraced(TEvDataShard::TEvBuildIndexCreateRequest, Handle);
-            HFunc(TEvPrivate::TEvAsyncJobComplete, Handle); 
+            HFunc(TEvPrivate::TEvAsyncJobComplete, Handle);
             CFunc(TEvPrivate::EvPeriodicWakeup, DoPeriodicTasks);
             HFunc(TEvents::TEvUndelivered, Handle);
             IgnoreFunc(TEvInterconnect::TEvNodeConnected);
@@ -2210,15 +2210,15 @@ protected:
             HFunc(TEvTxProxySchemeCache::TEvWatchNotifyUpdated, Handle);
             IgnoreFunc(TEvTxProxySchemeCache::TEvWatchNotifyDeleted);
             IgnoreFunc(TEvTxProxySchemeCache::TEvWatchNotifyUnavailable);
-            HFunc(TEvChangeExchange::TEvRequestRecords, Handle); 
-            HFunc(TEvChangeExchange::TEvRemoveRecords, Handle); 
-            HFunc(TEvPrivate::TEvRequestChangeRecords, Handle); 
-            HFunc(TEvPrivate::TEvRemoveChangeRecords, Handle); 
-            HFunc(TEvChangeExchange::TEvHandshake, Handle); 
-            HFunc(TEvChangeExchange::TEvApplyRecords, Handle); 
-            HFunc(TEvChangeExchange::TEvActivateSender, Handle); 
-            HFunc(TEvChangeExchange::TEvActivateSenderAck, Handle); 
-            HFunc(TEvChangeExchange::TEvSplitAck, Handle); 
+            HFunc(TEvChangeExchange::TEvRequestRecords, Handle);
+            HFunc(TEvChangeExchange::TEvRemoveRecords, Handle);
+            HFunc(TEvPrivate::TEvRequestChangeRecords, Handle);
+            HFunc(TEvPrivate::TEvRemoveChangeRecords, Handle);
+            HFunc(TEvChangeExchange::TEvHandshake, Handle);
+            HFunc(TEvChangeExchange::TEvApplyRecords, Handle);
+            HFunc(TEvChangeExchange::TEvActivateSender, Handle);
+            HFunc(TEvChangeExchange::TEvActivateSenderAck, Handle);
+            HFunc(TEvChangeExchange::TEvSplitAck, Handle);
             HFunc(TEvDataShard::TEvGetRemovedRowVersions, Handle);
             HFunc(TEvDataShard::TEvCompactBorrowed, Handle);
             HFunc(TEvDataShard::TEvCompactTable, Handle);
@@ -2287,10 +2287,10 @@ protected:
         }
         Actors.clear();
 
-        KillChangeSender(ctx); 
-        ChangeSenderActivator.Shutdown(ctx); 
-        ChangeExchangeSplitter.Shutdown(ctx); 
- 
+        KillChangeSender(ctx);
+        ChangeSenderActivator.Shutdown(ctx);
+        ChangeExchangeSplitter.Shutdown(ctx);
+
         StopFindSubDomainPathId();
         StopWatchingSubDomainPathId();
 
diff --git a/ydb/core/tx/datashard/datashard_loans.cpp b/ydb/core/tx/datashard/datashard_loans.cpp
index c45465bf74..adbfc4769d 100644
--- a/ydb/core/tx/datashard/datashard_loans.cpp
+++ b/ydb/core/tx/datashard/datashard_loans.cpp
@@ -2,8 +2,8 @@
 
 #include <ydb/core/tablet_flat/tablet_flat_executor.h>
 
-#include <util/string/join.h> 
- 
+#include <util/string/join.h>
+
 namespace NKikimr {
 namespace NDataShard {
 
@@ -208,22 +208,22 @@ void TDataShard::CheckStateChange(const TActorContext& ctx) {
             return str.Str();
         };
 
-        LOG_DEBUG_S(ctx, NKikimrServices::TX_DATASHARD, TabletID() << " in PreOffline state" 
-                    << " HasSharedBobs: " << HasSharedBlobs() 
+        LOG_DEBUG_S(ctx, NKikimrServices::TX_DATASHARD, TabletID() << " in PreOffline state"
+                    << " HasSharedBobs: " << HasSharedBlobs()
                     << " SchemaOperations: " << fnListTxIds(TransQueue.GetSchemaOperations())
-                    << " OutReadSets count: " << OutReadSets.CountReadSets() 
-                    << " ChangesQueue size: " << ChangesQueue.size() 
-                    << " ChangeExchangeSplit: " << ChangeExchangeSplitter.Done() 
-                    << " siblings to be activated: " << ChangeSenderActivator.Dump() 
-                    << " wait to activation from: " << JoinSeq(", ", ReceiveActivationsFrom)); 
-
-        const bool hasSharedBlobs = HasSharedBlobs(); 
-        const bool hasSchemaOps = !TransQueue.GetSchemaOperations().empty(); 
-        const bool hasOutRs = !OutReadSets.Empty(); 
-        const bool hasChangeRecords = !ChangesQueue.empty(); 
-        const bool mustActivateOthers = !ChangeSenderActivator.AllAcked(); 
- 
-        if (!hasSharedBlobs && !hasSchemaOps && !hasOutRs && !hasChangeRecords && !mustActivateOthers) { 
+                    << " OutReadSets count: " << OutReadSets.CountReadSets()
+                    << " ChangesQueue size: " << ChangesQueue.size()
+                    << " ChangeExchangeSplit: " << ChangeExchangeSplitter.Done()
+                    << " siblings to be activated: " << ChangeSenderActivator.Dump()
+                    << " wait to activation from: " << JoinSeq(", ", ReceiveActivationsFrom));
+
+        const bool hasSharedBlobs = HasSharedBlobs();
+        const bool hasSchemaOps = !TransQueue.GetSchemaOperations().empty();
+        const bool hasOutRs = !OutReadSets.Empty();
+        const bool hasChangeRecords = !ChangesQueue.empty();
+        const bool mustActivateOthers = !ChangeSenderActivator.AllAcked();
+
+        if (!hasSharedBlobs && !hasSchemaOps && !hasOutRs && !hasChangeRecords && !mustActivateOthers) {
             Y_VERIFY(!TxInFly());
             Execute(new TTxGoOffline(this), ctx);
         }
diff --git a/ydb/core/tx/datashard/datashard_pipeline.cpp b/ydb/core/tx/datashard/datashard_pipeline.cpp
index 65412f7319..3498162c17 100644
--- a/ydb/core/tx/datashard/datashard_pipeline.cpp
+++ b/ydb/core/tx/datashard/datashard_pipeline.cpp
@@ -111,9 +111,9 @@ bool TPipeline::CanRunOp(const TOperation &op) const {
     if (!op.Exists())
         return false;
 
-    const TSchemaOperation *schemaOp = Self->TransQueue.FindSchemaTx(op.GetTxId()); 
+    const TSchemaOperation *schemaOp = Self->TransQueue.FindSchemaTx(op.GetTxId());
     if (schemaOp) {
-        if (schemaOp->Type == TSchemaOperation::ETypeDrop && !Self->CanDrop()) { 
+        if (schemaOp->Type == TSchemaOperation::ETypeDrop && !Self->CanDrop()) {
             return false;
         }
     }
@@ -768,13 +768,13 @@ void TPipeline::RemoveTx(TStepOrder stepTxId) {
     ForgetTx(stepTxId.TxId);
 }
 
-const TSchemaOperation* TPipeline::FindSchemaTx(ui64 txId) const { 
+const TSchemaOperation* TPipeline::FindSchemaTx(ui64 txId) const {
     return Self->TransQueue.FindSchemaTx(txId);
 }
 
 void TPipeline::CompleteSchemaTx(NIceDb::TNiceDb& db, ui64 txId) {
     Y_VERIFY(txId);
-    TSchemaOperation * op = Self->TransQueue.FindSchemaTx(txId); 
+    TSchemaOperation * op = Self->TransQueue.FindSchemaTx(txId);
     if (!op)
         return;
 
@@ -1005,7 +1005,7 @@ void TPipeline::UpdateSchemeTxBody(ui64 txId, const TStringBuf &txBody, TTransac
     Self->TransQueue.UpdateTxBody(db, txId, txBody);
 }
 
-void TPipeline::ProposeSchemeTx(const TSchemaOperation &op, 
+void TPipeline::ProposeSchemeTx(const TSchemaOperation &op,
                                 TTransactionContext &txc)
 {
     NIceDb::TNiceDb db(txc.DB);
@@ -1141,21 +1141,21 @@ TOperation::TPtr TPipeline::BuildOperation(TEvDataShard::TEvProposeTransaction::
     tx->SetTxBody(rec.GetTxBody());
     tx->SetCookie(ev->Cookie);
 
-    auto malformed = [&](const TStringBuf txType, const TString& txBody) { 
-        const TString error = TStringBuilder() << "Malformed " << txType << " tx" 
-            << " at tablet " << Self->TabletID() 
-            << " txId " << tx->GetTxId() 
-            << " ssId " << tx->GetSchemeShardId() 
-            << " parsed tx body " << txBody; 
- 
-        tx->SetAbortedFlag(); 
+    auto malformed = [&](const TStringBuf txType, const TString& txBody) {
+        const TString error = TStringBuilder() << "Malformed " << txType << " tx"
+            << " at tablet " << Self->TabletID()
+            << " txId " << tx->GetTxId()
+            << " ssId " << tx->GetSchemeShardId()
+            << " parsed tx body " << txBody;
+
+        tx->SetAbortedFlag();
         tx->Result().Reset(new TEvDataShard::TEvProposeTransactionResult(
             rec.GetTxKind(), Self->TabletID(), tx->GetTxId(), NKikimrTxDataShard::TEvProposeTransactionResult::ERROR));
-        tx->Result()->SetProcessError(NKikimrTxDataShard::TError::BAD_ARGUMENT, error); 
- 
-        LOG_ERROR_S(TActivationContext::AsActorContext(), NKikimrServices::TX_DATASHARD, error); 
-    }; 
- 
+        tx->Result()->SetProcessError(NKikimrTxDataShard::TError::BAD_ARGUMENT, error);
+
+        LOG_ERROR_S(TActivationContext::AsActorContext(), NKikimrServices::TX_DATASHARD, error);
+    };
+
     if (tx->IsSchemeTx()) {
         Y_VERIFY(rec.HasSchemeShardId());
         Y_VERIFY(rec.HasProcessingParams());
@@ -1193,16 +1193,16 @@ TOperation::TPtr TPipeline::BuildOperation(TEvDataShard::TEvProposeTransaction::
             tx->SetReadOnlyFlag();
             tx->SetGlobalReaderFlag();
         }
-    } else if (tx->IsDistributedEraseTx()) { 
-        if (!tx->BuildDistributedEraseTx()) { 
+    } else if (tx->IsDistributedEraseTx()) {
+        if (!tx->BuildDistributedEraseTx()) {
             malformed(TStringBuf("distributed erase"), tx->GetDistributedEraseTx()->GetBody().ShortDebugString());
-            return tx; 
-        } 
- 
-        tx->SetGlobalWriterFlag(); 
-        if (tx->GetDistributedEraseTx()->HasDependents()) { 
-            tx->SetGlobalReaderFlag(); 
-        } 
+            return tx;
+        }
+
+        tx->SetGlobalWriterFlag();
+        if (tx->GetDistributedEraseTx()->HasDependents()) {
+            tx->SetGlobalReaderFlag();
+        }
     } else if (tx->IsCommitWritesTx()) {
         if (!tx->BuildCommitWritesTx()) {
             malformed(TStringBuf("commit writes"), tx->GetCommitWritesTx()->GetBody().ShortDebugString());
diff --git a/ydb/core/tx/datashard/datashard_pipeline.h b/ydb/core/tx/datashard/datashard_pipeline.h
index 8d03ea72bf..67c35260b2 100644
--- a/ydb/core/tx/datashard/datashard_pipeline.h
+++ b/ydb/core/tx/datashard/datashard_pipeline.h
@@ -122,7 +122,7 @@ public:
 
     void DeactivateOp(TOperation::TPtr op, TTransactionContext& txc, const TActorContext &ctx);
     void RemoveTx(TStepOrder stepTxId);
-    const TSchemaOperation* FindSchemaTx(ui64 txId) const; 
+    const TSchemaOperation* FindSchemaTx(ui64 txId) const;
     void CompleteSchemaTx(NIceDb::TNiceDb& db, ui64 txId);
     void MarkOpAsUsingSnapshot(TOperation::TPtr op);
 
@@ -155,7 +155,7 @@ public:
     bool HasAlter() const { return SchemaTx && SchemaTx->IsAlter(); }
     bool HasDrop() const { return SchemaTx && SchemaTx->IsDrop(); }
     bool HasBackup() const { return SchemaTx && SchemaTx->IsBackup(); }
-    bool HasRestore() const { return SchemaTx && SchemaTx->IsRestore(); } 
+    bool HasRestore() const { return SchemaTx && SchemaTx->IsRestore(); }
     bool HasCopy() const { return SchemaTx && SchemaTx->IsCopy(); }
     bool HasCreatePersistentSnapshot() const { return SchemaTx && SchemaTx->IsCreatePersistentSnapshot(); }
     bool HasDropPersistentSnapshot() const { return SchemaTx && SchemaTx->IsDropPersistentSnapshot(); }
@@ -163,9 +163,9 @@ public:
     bool HasFinalizeBuilIndex() const { return SchemaTx && SchemaTx->IsFinalizeBuildIndex(); }
     bool HasDropIndexNotice() const { return SchemaTx && SchemaTx->IsDropIndexNotice(); }
     bool HasMove() const { return SchemaTx && SchemaTx->IsMove(); }
-    bool HasCreateCdcStream() const { return SchemaTx && SchemaTx->IsCreateCdcStream(); } 
-    bool HasAlterCdcStream() const { return SchemaTx && SchemaTx->IsAlterCdcStream(); } 
-    bool HasDropCdcStream() const { return SchemaTx && SchemaTx->IsDropCdcStream(); } 
+    bool HasCreateCdcStream() const { return SchemaTx && SchemaTx->IsCreateCdcStream(); }
+    bool HasAlterCdcStream() const { return SchemaTx && SchemaTx->IsAlterCdcStream(); }
+    bool HasDropCdcStream() const { return SchemaTx && SchemaTx->IsDropCdcStream(); }
 
     ui64 CurrentSchemaTxId() const {
         if (SchemaTx)
@@ -173,11 +173,11 @@ public:
         return 0;
     }
 
-    const TSchemaOperation* GetSchemaOp() const { 
+    const TSchemaOperation* GetSchemaOp() const {
         return SchemaTx;
     }
 
-    void SetSchemaOp(TSchemaOperation * op) { 
+    void SetSchemaOp(TSchemaOperation * op) {
         Y_VERIFY(!SchemaTx || SchemaTx->TxId == op->TxId);
         SchemaTx = op;
     }
@@ -188,7 +188,7 @@ public:
     void ProposeComplete(const TOperation::TPtr &op, const TActorContext &ctx);
     void PersistTxFlags(TOperation::TPtr op, TTransactionContext &txc);
     void UpdateSchemeTxBody(ui64 txId, const TStringBuf &txBody, TTransactionContext &txc);
-    void ProposeSchemeTx(const TSchemaOperation &op, TTransactionContext &txc); 
+    void ProposeSchemeTx(const TSchemaOperation &op, TTransactionContext &txc);
     bool CancelPropose(NIceDb::TNiceDb& db, const TActorContext& ctx, ui64 txId);
     ECleanupStatus CleanupOutdated(NIceDb::TNiceDb& db, const TActorContext& ctx, ui64 outdatedStep);
     ui64 PlannedTxInFly() const;
@@ -437,7 +437,7 @@ private:
     TStepOrder UtmostCompleteTx;
     ui64 KeepSchemaStep;
     ui64 LastCleanupTime;
-    TSchemaOperation * SchemaTx; 
+    TSchemaOperation * SchemaTx;
     std::array<THolder<TExecutionUnit>, (ui32)EExecutionUnitKind::Count> ExecutionUnits;
     THashSet<TOperation::TPtr> ExecuteBlockers;
     // Candidates for execution.
diff --git a/ydb/core/tx/datashard/datashard_s3_downloads.cpp b/ydb/core/tx/datashard/datashard_s3_downloads.cpp
index c1b65505e6..f1571885c5 100644
--- a/ydb/core/tx/datashard/datashard_s3_downloads.cpp
+++ b/ydb/core/tx/datashard/datashard_s3_downloads.cpp
@@ -1,67 +1,67 @@
-#include "datashard_s3_downloads.h" 
-#include "datashard_impl.h" 
- 
-namespace NKikimr { 
+#include "datashard_s3_downloads.h"
+#include "datashard_impl.h"
+
+namespace NKikimr {
 namespace NDataShard {
- 
-bool TS3DownloadsManager::Load(NIceDb::TNiceDb& db) { 
+
+bool TS3DownloadsManager::Load(NIceDb::TNiceDb& db) {
     using Schema = TDataShard::Schema;
- 
-    bool ready = true; 
-    auto rowset = db.Table<Schema::S3Downloads>().Range().Select(); 
-    if (rowset.IsReady()) { 
-        while (!rowset.EndOfSet()) { 
-            ui64 txId = rowset.GetValue<Schema::S3Downloads::TxId>(); 
- 
-            Y_VERIFY_S(!Downloads.contains(txId), "Unexpected duplicate s3 download: " << txId); 
-            auto& info = Downloads[txId]; 
- 
-            if (rowset.HaveValue<Schema::S3Downloads::DataETag>()) { 
-                info.DataETag = rowset.GetValue<Schema::S3Downloads::DataETag>(); 
-            } 
- 
-            info.ProcessedBytes = rowset.GetValueOrDefault<Schema::S3Downloads::ProcessedBytes>(0); 
-            info.WrittenBytes = rowset.GetValueOrDefault<Schema::S3Downloads::WrittenBytes>(0); 
-            info.WrittenRows = rowset.GetValueOrDefault<Schema::S3Downloads::WrittenRows>(0); 
- 
-            if (!rowset.Next()) { 
-                ready = false; 
-                break; 
-            } 
-        } 
-    } else { 
-        ready = false; 
-    } 
- 
-    return ready; 
-} 
- 
-void TS3DownloadsManager::Reset() { 
-    Downloads.clear(); 
-} 
- 
-const TS3DownloadsManager::TInfo* TS3DownloadsManager::Find(ui64 txId) const { 
-    return Downloads.FindPtr(txId); 
-} 
- 
-const TS3DownloadsManager::TInfo& TS3DownloadsManager::Store(NIceDb::TNiceDb& db, const TEvDataShard::TEvStoreS3DownloadInfo& msg) { 
-    auto& info = Downloads[msg.TxId]; 
- 
-    Y_VERIFY(info.DataETag.GetOrElse(msg.DataETag) == msg.DataETag); 
-    info.DataETag = msg.DataETag; 
-    info.ProcessedBytes = msg.ProcessedBytes; 
-    info.WrittenBytes = msg.WrittenBytes; 
-    info.WrittenRows = msg.WrittenRows; 
- 
+
+    bool ready = true;
+    auto rowset = db.Table<Schema::S3Downloads>().Range().Select();
+    if (rowset.IsReady()) {
+        while (!rowset.EndOfSet()) {
+            ui64 txId = rowset.GetValue<Schema::S3Downloads::TxId>();
+
+            Y_VERIFY_S(!Downloads.contains(txId), "Unexpected duplicate s3 download: " << txId);
+            auto& info = Downloads[txId];
+
+            if (rowset.HaveValue<Schema::S3Downloads::DataETag>()) {
+                info.DataETag = rowset.GetValue<Schema::S3Downloads::DataETag>();
+            }
+
+            info.ProcessedBytes = rowset.GetValueOrDefault<Schema::S3Downloads::ProcessedBytes>(0);
+            info.WrittenBytes = rowset.GetValueOrDefault<Schema::S3Downloads::WrittenBytes>(0);
+            info.WrittenRows = rowset.GetValueOrDefault<Schema::S3Downloads::WrittenRows>(0);
+
+            if (!rowset.Next()) {
+                ready = false;
+                break;
+            }
+        }
+    } else {
+        ready = false;
+    }
+
+    return ready;
+}
+
+void TS3DownloadsManager::Reset() {
+    Downloads.clear();
+}
+
+const TS3DownloadsManager::TInfo* TS3DownloadsManager::Find(ui64 txId) const {
+    return Downloads.FindPtr(txId);
+}
+
+const TS3DownloadsManager::TInfo& TS3DownloadsManager::Store(NIceDb::TNiceDb& db, const TEvDataShard::TEvStoreS3DownloadInfo& msg) {
+    auto& info = Downloads[msg.TxId];
+
+    Y_VERIFY(info.DataETag.GetOrElse(msg.DataETag) == msg.DataETag);
+    info.DataETag = msg.DataETag;
+    info.ProcessedBytes = msg.ProcessedBytes;
+    info.WrittenBytes = msg.WrittenBytes;
+    info.WrittenRows = msg.WrittenRows;
+
     using Schema = TDataShard::Schema;
-    db.Table<Schema::S3Downloads>().Key(msg.TxId).Update( 
-        NIceDb::TUpdate<Schema::S3Downloads::DataETag>(msg.DataETag), 
-        NIceDb::TUpdate<Schema::S3Downloads::ProcessedBytes>(msg.ProcessedBytes), 
-        NIceDb::TUpdate<Schema::S3Downloads::WrittenBytes>(msg.WrittenBytes), 
-        NIceDb::TUpdate<Schema::S3Downloads::WrittenRows>(msg.WrittenRows)); 
- 
-    return info; 
-} 
- 
+    db.Table<Schema::S3Downloads>().Key(msg.TxId).Update(
+        NIceDb::TUpdate<Schema::S3Downloads::DataETag>(msg.DataETag),
+        NIceDb::TUpdate<Schema::S3Downloads::ProcessedBytes>(msg.ProcessedBytes),
+        NIceDb::TUpdate<Schema::S3Downloads::WrittenBytes>(msg.WrittenBytes),
+        NIceDb::TUpdate<Schema::S3Downloads::WrittenRows>(msg.WrittenRows));
+
+    return info;
+}
+
 }   // namespace NDataShard
-}   // namespace NKikimr 
+}   // namespace NKikimr
diff --git a/ydb/core/tx/datashard/datashard_s3_downloads.h b/ydb/core/tx/datashard/datashard_s3_downloads.h
index f4d0fbfc6e..d7d11ad2f2 100644
--- a/ydb/core/tx/datashard/datashard_s3_downloads.h
+++ b/ydb/core/tx/datashard/datashard_s3_downloads.h
@@ -1,28 +1,28 @@
-#pragma once 
- 
-#include "datashard.h" 
- 
+#pragma once
+
+#include "datashard.h"
+
 #include <ydb/core/tablet_flat/flat_cxx_database.h>
- 
-#include <util/generic/hash.h> 
- 
-namespace NKikimr { 
+
+#include <util/generic/hash.h>
+
+namespace NKikimr {
 namespace NDataShard {
- 
-class TS3DownloadsManager { 
-    using TInfo = TEvDataShard::TEvS3DownloadInfo::TInfo; 
- 
-public: 
-    bool Load(NIceDb::TNiceDb& db); 
-    void Reset(); 
- 
-    const TInfo* Find(ui64 txId) const; 
-    const TInfo& Store(NIceDb::TNiceDb& db, const TEvDataShard::TEvStoreS3DownloadInfo& msg); 
- 
-private: 
-    THashMap<ui64, TInfo> Downloads; 
- 
-}; // TS3DownloadsManager 
- 
+
+class TS3DownloadsManager {
+    using TInfo = TEvDataShard::TEvS3DownloadInfo::TInfo;
+
+public:
+    bool Load(NIceDb::TNiceDb& db);
+    void Reset();
+
+    const TInfo* Find(ui64 txId) const;
+    const TInfo& Store(NIceDb::TNiceDb& db, const TEvDataShard::TEvStoreS3DownloadInfo& msg);
+
+private:
+    THashMap<ui64, TInfo> Downloads;
+
+}; // TS3DownloadsManager
+
 }   // namespace NDataShard
-}   // namespace NKikimr 
+}   // namespace NKikimr
diff --git a/ydb/core/tx/datashard/datashard_s3_upload.h b/ydb/core/tx/datashard/datashard_s3_upload.h
index ad38cb0b3a..ba991de863 100644
--- a/ydb/core/tx/datashard/datashard_s3_upload.h
+++ b/ydb/core/tx/datashard/datashard_s3_upload.h
@@ -1,45 +1,45 @@
-#pragma once 
- 
-#include <util/generic/maybe.h> 
-#include <util/generic/string.h> 
-#include <util/generic/vector.h> 
-#include <util/string/join.h> 
- 
-namespace NKikimr { 
+#pragma once
+
+#include <util/generic/maybe.h>
+#include <util/generic/string.h>
+#include <util/generic/vector.h>
+#include <util/string/join.h>
+
+namespace NKikimr {
 namespace NDataShard {
- 
-struct TS3Upload { 
-    enum class EStatus: ui8 { 
-        UploadParts, 
-        Complete, 
-        Abort, 
-    }; 
- 
-    explicit TS3Upload(const TString& id) 
-        : Id(id) 
-        , Status(EStatus::UploadParts) 
-    { 
-    } 
- 
-    TString Id; 
-    EStatus Status; 
-    TMaybe<TString> Error; 
-    TVector<TString> Parts; 
- 
-    void Out(IOutputStream& out) const { 
-        out << "{" 
-            << " Id: " << Id 
-            << " Status: " << Status 
-            << " Error: " << Error 
-            << " Parts: [" << JoinSeq(",", Parts) << "]" 
-        << " }"; 
-    } 
- 
-}; // TS3Upload 
- 
+
+struct TS3Upload {
+    enum class EStatus: ui8 {
+        UploadParts,
+        Complete,
+        Abort,
+    };
+
+    explicit TS3Upload(const TString& id)
+        : Id(id)
+        , Status(EStatus::UploadParts)
+    {
+    }
+
+    TString Id;
+    EStatus Status;
+    TMaybe<TString> Error;
+    TVector<TString> Parts;
+
+    void Out(IOutputStream& out) const {
+        out << "{"
+            << " Id: " << Id
+            << " Status: " << Status
+            << " Error: " << Error
+            << " Parts: [" << JoinSeq(",", Parts) << "]"
+        << " }";
+    }
+
+}; // TS3Upload
+
 } // namespace NDataShard
-} // namespace NKikimr 
- 
+} // namespace NKikimr
+
 Y_DECLARE_OUT_SPEC(inline, NKikimr::NDataShard::TS3Upload, out, value) {
-    value.Out(out); 
-} 
+    value.Out(out);
+}
diff --git a/ydb/core/tx/datashard/datashard_s3_uploads.cpp b/ydb/core/tx/datashard/datashard_s3_uploads.cpp
index 743b41df47..3915bf9d2e 100644
--- a/ydb/core/tx/datashard/datashard_s3_uploads.cpp
+++ b/ydb/core/tx/datashard/datashard_s3_uploads.cpp
@@ -1,125 +1,125 @@
-#include "datashard_s3_uploads.h" 
-#include "datashard_impl.h" 
- 
-namespace NKikimr { 
+#include "datashard_s3_uploads.h"
+#include "datashard_impl.h"
+
+namespace NKikimr {
 namespace NDataShard {
- 
-bool TS3UploadsManager::Load(NIceDb::TNiceDb& db) { 
+
+bool TS3UploadsManager::Load(NIceDb::TNiceDb& db) {
     using Schema = TDataShard::Schema;
- 
-    { 
-        auto rowset = db.Table<Schema::S3Uploads>().Range().Select(); 
-        if (!rowset.IsReady()) { 
-            return false; 
-        } 
- 
-        while (!rowset.EndOfSet()) { 
-            const ui64 txId = rowset.GetValue<Schema::S3Uploads::TxId>(); 
-            const TString uploadId = rowset.GetValue<Schema::S3Uploads::UploadId>(); 
- 
-            auto res = Uploads.emplace(txId, TS3Upload(uploadId)); 
-            Y_VERIFY_S(res.second, "Unexpected duplicate s3 upload" 
-                << ": txId# " << txId 
-                << ", uploadId# " << uploadId); 
- 
-            auto& upload = res.first->second; 
- 
-            upload.Status = rowset.GetValue<Schema::S3Uploads::Status>(); 
-            if (rowset.HaveValue<Schema::S3Uploads::Error>()) { 
-                upload.Error = rowset.GetValue<Schema::S3Uploads::Error>(); 
-            } 
- 
-            if (!rowset.Next()) { 
-                return false; 
-            } 
-        } 
-    } 
- 
-    if (db.HaveTable<Schema::S3UploadedParts>()) { 
-        auto rowset = db.Table<Schema::S3UploadedParts>().Range().Select(); 
-        if (!rowset.IsReady()) { 
-            return false; 
-        } 
- 
-        while (!rowset.EndOfSet()) { 
-            const ui64 txId = rowset.GetValue<Schema::S3UploadedParts::TxId>(); 
- 
-            auto it = Uploads.find(txId); 
-            Y_VERIFY_S(it != Uploads.end(), "Unknown s3 upload part" 
-                << ": txId# " << txId); 
- 
-            auto& parts = it->second.Parts; 
- 
-            const ui32 partNumber = rowset.GetValue<Schema::S3UploadedParts::PartNumber>(); 
-            if (parts.size() < partNumber) { 
-                parts.resize(partNumber); 
-            } 
- 
-            parts[partNumber - 1] = rowset.GetValue<Schema::S3UploadedParts::ETag>(); 
- 
-            if (!rowset.Next()) { 
-                return false; 
-            } 
-        } 
-    } 
- 
-    return true; 
-} 
- 
-void TS3UploadsManager::Reset() { 
-    Uploads.clear(); 
-} 
- 
-const TS3Upload* TS3UploadsManager::Find(ui64 txId) const { 
-    auto it = Uploads.find(txId); 
-    if (it == Uploads.end()) { 
-        return nullptr; 
-    } 
- 
-    return &it->second; 
-} 
- 
-const TS3Upload& TS3UploadsManager::Add(NIceDb::TNiceDb& db, ui64 txId, const TString& uploadId) { 
+
+    {
+        auto rowset = db.Table<Schema::S3Uploads>().Range().Select();
+        if (!rowset.IsReady()) {
+            return false;
+        }
+
+        while (!rowset.EndOfSet()) {
+            const ui64 txId = rowset.GetValue<Schema::S3Uploads::TxId>();
+            const TString uploadId = rowset.GetValue<Schema::S3Uploads::UploadId>();
+
+            auto res = Uploads.emplace(txId, TS3Upload(uploadId));
+            Y_VERIFY_S(res.second, "Unexpected duplicate s3 upload"
+                << ": txId# " << txId
+                << ", uploadId# " << uploadId);
+
+            auto& upload = res.first->second;
+
+            upload.Status = rowset.GetValue<Schema::S3Uploads::Status>();
+            if (rowset.HaveValue<Schema::S3Uploads::Error>()) {
+                upload.Error = rowset.GetValue<Schema::S3Uploads::Error>();
+            }
+
+            if (!rowset.Next()) {
+                return false;
+            }
+        }
+    }
+
+    if (db.HaveTable<Schema::S3UploadedParts>()) {
+        auto rowset = db.Table<Schema::S3UploadedParts>().Range().Select();
+        if (!rowset.IsReady()) {
+            return false;
+        }
+
+        while (!rowset.EndOfSet()) {
+            const ui64 txId = rowset.GetValue<Schema::S3UploadedParts::TxId>();
+
+            auto it = Uploads.find(txId);
+            Y_VERIFY_S(it != Uploads.end(), "Unknown s3 upload part"
+                << ": txId# " << txId);
+
+            auto& parts = it->second.Parts;
+
+            const ui32 partNumber = rowset.GetValue<Schema::S3UploadedParts::PartNumber>();
+            if (parts.size() < partNumber) {
+                parts.resize(partNumber);
+            }
+
+            parts[partNumber - 1] = rowset.GetValue<Schema::S3UploadedParts::ETag>();
+
+            if (!rowset.Next()) {
+                return false;
+            }
+        }
+    }
+
+    return true;
+}
+
+void TS3UploadsManager::Reset() {
+    Uploads.clear();
+}
+
+const TS3Upload* TS3UploadsManager::Find(ui64 txId) const {
+    auto it = Uploads.find(txId);
+    if (it == Uploads.end()) {
+        return nullptr;
+    }
+
+    return &it->second;
+}
+
+const TS3Upload& TS3UploadsManager::Add(NIceDb::TNiceDb& db, ui64 txId, const TString& uploadId) {
     using Schema = TDataShard::Schema;
- 
-    Y_VERIFY(!Uploads.contains(txId)); 
-    auto res = Uploads.emplace(txId, TS3Upload(uploadId)); 
- 
-    db.Table<Schema::S3Uploads>().Key(txId).Update<Schema::S3Uploads::UploadId>(uploadId); 
- 
-    return res.first->second; 
-} 
- 
-const TS3Upload& TS3UploadsManager::ChangeStatus(NIceDb::TNiceDb& db, ui64 txId, TS3Upload::EStatus status, 
-        TMaybe<TString>&& error, TVector<TString>&& parts) 
-{ 
+
+    Y_VERIFY(!Uploads.contains(txId));
+    auto res = Uploads.emplace(txId, TS3Upload(uploadId));
+
+    db.Table<Schema::S3Uploads>().Key(txId).Update<Schema::S3Uploads::UploadId>(uploadId);
+
+    return res.first->second;
+}
+
+const TS3Upload& TS3UploadsManager::ChangeStatus(NIceDb::TNiceDb& db, ui64 txId, TS3Upload::EStatus status,
+        TMaybe<TString>&& error, TVector<TString>&& parts)
+{
     using Schema = TDataShard::Schema;
- 
-    auto it = Uploads.find(txId); 
-    Y_VERIFY(it != Uploads.end()); 
- 
-    auto& upload = it->second; 
-    upload.Status = status; 
-    upload.Error = std::move(error); 
-    upload.Parts = std::move(parts); 
- 
-    db.Table<Schema::S3Uploads>().Key(txId).Update<Schema::S3Uploads::Status>(upload.Status); 
- 
-    if (upload.Error) { 
-        db.Table<Schema::S3Uploads>().Key(txId).Update<Schema::S3Uploads::Error>(*upload.Error); 
-    } 
- 
-    for (ui32 partIndex = 0; partIndex < upload.Parts.size(); ++partIndex) { 
-        const ui32 partNumber = partIndex + 1; 
-        const auto& eTag = upload.Parts.at(partIndex); 
- 
-        db.Table<Schema::S3UploadedParts>().Key(txId, partNumber).Update( 
-            NIceDb::TUpdate<Schema::S3UploadedParts::ETag>(eTag) 
-        ); 
-    } 
- 
-    return upload; 
-} 
- 
+
+    auto it = Uploads.find(txId);
+    Y_VERIFY(it != Uploads.end());
+
+    auto& upload = it->second;
+    upload.Status = status;
+    upload.Error = std::move(error);
+    upload.Parts = std::move(parts);
+
+    db.Table<Schema::S3Uploads>().Key(txId).Update<Schema::S3Uploads::Status>(upload.Status);
+
+    if (upload.Error) {
+        db.Table<Schema::S3Uploads>().Key(txId).Update<Schema::S3Uploads::Error>(*upload.Error);
+    }
+
+    for (ui32 partIndex = 0; partIndex < upload.Parts.size(); ++partIndex) {
+        const ui32 partNumber = partIndex + 1;
+        const auto& eTag = upload.Parts.at(partIndex);
+
+        db.Table<Schema::S3UploadedParts>().Key(txId, partNumber).Update(
+            NIceDb::TUpdate<Schema::S3UploadedParts::ETag>(eTag)
+        );
+    }
+
+    return upload;
+}
+
 }   // namespace NDataShard
-}   // namespace NKikimr 
+}   // namespace NKikimr
diff --git a/ydb/core/tx/datashard/datashard_s3_uploads.h b/ydb/core/tx/datashard/datashard_s3_uploads.h
index 741a01b403..1755327cc5 100644
--- a/ydb/core/tx/datashard/datashard_s3_uploads.h
+++ b/ydb/core/tx/datashard/datashard_s3_uploads.h
@@ -1,42 +1,42 @@
-#pragma once 
- 
-#include "datashard_s3_upload.h" 
- 
+#pragma once
+
+#include "datashard_s3_upload.h"
+
 #include <ydb/core/tablet_flat/flat_cxx_database.h>
- 
-#include <util/generic/hash.h> 
-#include <util/generic/string.h> 
- 
-namespace NKikimr { 
+
+#include <util/generic/hash.h>
+#include <util/generic/string.h>
+
+namespace NKikimr {
 namespace NDataShard {
- 
-class TS3UploadsManager { 
-public: 
-    bool Load(NIceDb::TNiceDb& db); 
-    void Reset(); 
- 
-    const TS3Upload* Find(ui64 txId) const; 
- 
-    const TS3Upload& Add(NIceDb::TNiceDb& db, ui64 txId, const TString& uploadId); 
-    const TS3Upload& Add(NTable::TDatabase& db, ui64 txId, const TString& uploadId) { 
-        NIceDb::TNiceDb nicedb(db); 
-        return Add(nicedb, txId, uploadId); 
-    } 
- 
-    const TS3Upload& ChangeStatus(NIceDb::TNiceDb& db, ui64 txId, TS3Upload::EStatus status, 
-        TMaybe<TString>&& error, TVector<TString>&& parts); 
- 
-    const TS3Upload& ChangeStatus(NTable::TDatabase& db, ui64 txId, TS3Upload::EStatus status, 
-            TMaybe<TString>&& error, TVector<TString>&& parts) 
-    { 
-        NIceDb::TNiceDb nicedb(db); 
-        return ChangeStatus(nicedb, txId, status, std::move(error), std::move(parts)); 
-    } 
- 
-private: 
-    THashMap<ui64, TS3Upload> Uploads; 
- 
-}; // TS3UploadsManager 
- 
+
+class TS3UploadsManager {
+public:
+    bool Load(NIceDb::TNiceDb& db);
+    void Reset();
+
+    const TS3Upload* Find(ui64 txId) const;
+
+    const TS3Upload& Add(NIceDb::TNiceDb& db, ui64 txId, const TString& uploadId);
+    const TS3Upload& Add(NTable::TDatabase& db, ui64 txId, const TString& uploadId) {
+        NIceDb::TNiceDb nicedb(db);
+        return Add(nicedb, txId, uploadId);
+    }
+
+    const TS3Upload& ChangeStatus(NIceDb::TNiceDb& db, ui64 txId, TS3Upload::EStatus status,
+        TMaybe<TString>&& error, TVector<TString>&& parts);
+
+    const TS3Upload& ChangeStatus(NTable::TDatabase& db, ui64 txId, TS3Upload::EStatus status,
+            TMaybe<TString>&& error, TVector<TString>&& parts)
+    {
+        NIceDb::TNiceDb nicedb(db);
+        return ChangeStatus(nicedb, txId, status, std::move(error), std::move(parts));
+    }
+
+private:
+    THashMap<ui64, TS3Upload> Uploads;
+
+}; // TS3UploadsManager
+
 } // namespace NDataShard
-} // namespace NKikimr 
+} // namespace NKikimr
diff --git a/ydb/core/tx/datashard/datashard_schema_snapshots.cpp b/ydb/core/tx/datashard/datashard_schema_snapshots.cpp
index 3e104dbafa..d4c7ab0510 100644
--- a/ydb/core/tx/datashard/datashard_schema_snapshots.cpp
+++ b/ydb/core/tx/datashard/datashard_schema_snapshots.cpp
@@ -1,143 +1,143 @@
-#include "datashard_impl.h" 
-#include "datashard_schema_snapshots.h" 
- 
-#include <ydb/core/util/pb.h> 
- 
-namespace NKikimr { 
-namespace NDataShard { 
- 
-TSchemaSnapshot::TSchemaSnapshot(TUserTable::TCPtr schema, ui64 step, ui64 txId) 
-    : Schema(schema) 
-    , Step(step) 
-    , TxId(txId) 
-{ 
-} 
- 
-TSchemaSnapshotManager::TSchemaSnapshotManager(const TDataShard* self) 
-    : Self(self) 
-{ 
-} 
- 
-void TSchemaSnapshotManager::Reset() { 
-    Snapshots.clear(); 
-} 
- 
-bool TSchemaSnapshotManager::Load(NIceDb::TNiceDb& db) { 
-    using Schema = TDataShard::Schema; 
- 
-    auto rowset = db.Table<Schema::SchemaSnapshots>().Range().Select(); 
-    if (!rowset.IsReady()) { 
-        return false; 
-    } 
- 
-    const auto& tables = Self->GetUserTables(); 
-    while (!rowset.EndOfSet()) { 
-        const ui64 oid = rowset.GetValue<Schema::SchemaSnapshots::PathOwnerId>(); 
-        const ui64 tid = rowset.GetValue<Schema::SchemaSnapshots::LocalPathId>(); 
-        const ui64 version = rowset.GetValue<Schema::SchemaSnapshots::SchemaVersion>(); 
-        const ui64 step = rowset.GetValue<Schema::SchemaSnapshots::Step>(); 
-        const ui64 txId = rowset.GetValue<Schema::SchemaSnapshots::TxId>(); 
-        const TString schema = rowset.GetValue<Schema::SchemaSnapshots::Schema>(); 
- 
-        NKikimrSchemeOp::TTableDescription desc; 
-        const bool ok = ParseFromStringNoSizeLimit(desc, schema); 
-        Y_VERIFY(ok); 
- 
-        auto it = tables.find(tid); 
-        Y_VERIFY_S(it != tables.end(), "Cannot find table: " << tid); 
- 
-        const auto res = Snapshots.emplace( 
-            std::piecewise_construct, 
-            std::forward_as_tuple(oid, tid, version), 
-            std::forward_as_tuple(new TUserTable(it->second->LocalTid, desc, 0), step, txId) 
-        ); 
-        Y_VERIFY_S(res.second, "Duplicate schema snapshot: " << res.first->first); 
- 
-        if (!rowset.Next()) { 
-            return false; 
-        } 
-    } 
- 
-    return true; 
-} 
- 
-bool TSchemaSnapshotManager::AddSnapshot(NTable::TDatabase& db, const TSchemaSnapshotKey& key, const TSchemaSnapshot& snapshot) { 
-    if (auto it = Snapshots.find(key); it != Snapshots.end()) { 
-        Y_VERIFY_DEBUG_S(false, "Duplicate schema snapshot: " << key); 
-        return false; 
-    } 
- 
-    auto it = Self->GetUserTables().find(key.PathId); 
-    Y_VERIFY_S(it != Self->GetUserTables().end(), "Cannot find table: " << key.PathId); 
- 
-    const auto res = Snapshots.emplace(key, snapshot); 
-    Y_VERIFY_S(res.second, "Duplicate schema snapshot: " << key); 
- 
-    NIceDb::TNiceDb nicedb(db); 
-    PersistAddSnapshot(nicedb, key, snapshot); 
- 
-    return true; 
-} 
- 
-const TSchemaSnapshot* TSchemaSnapshotManager::FindSnapshot(const TSchemaSnapshotKey& key) const { 
-    return Snapshots.FindPtr(key); 
-} 
- 
-bool TSchemaSnapshotManager::AcquireReference(const TSchemaSnapshotKey& key) { 
-    auto it = Snapshots.find(key); 
-    if (it == Snapshots.end()) { 
-        return false; 
-    } 
- 
-    ++References[key]; 
-    return true; 
-} 
- 
-bool TSchemaSnapshotManager::ReleaseReference(const TSchemaSnapshotKey& key, NIceDb::TNiceDb& db) { 
-    auto refIt = References.find(key); 
- 
-    if (refIt == References.end() || refIt->second <= 0) { 
-        Y_VERIFY_DEBUG(false, "ReleaseReference underflow, check acquire/release pairs"); 
-        return false; 
-    } 
- 
-    if (--refIt->second) { 
-        return false; 
-    } 
- 
-    References.erase(refIt); 
- 
-    auto it = Snapshots.find(key); 
-    if (it == Snapshots.end()) { 
-        Y_VERIFY_DEBUG(false, "ReleaseReference on an already removed snapshot"); 
-        return false; 
-    } 
- 
-    PersistRemoveSnapshot(db, key); 
-    return true; 
-} 
- 
-void TSchemaSnapshotManager::PersistAddSnapshot(NIceDb::TNiceDb& db, const TSchemaSnapshotKey& key, const TSchemaSnapshot& snapshot) { 
-    using Schema = TDataShard::Schema; 
-    db.Table<Schema::SchemaSnapshots>() 
-        .Key(key.OwnerId, key.PathId, key.Version) 
-        .Update( 
-            NIceDb::TUpdate<Schema::SchemaSnapshots::Step>(snapshot.Step), 
-            NIceDb::TUpdate<Schema::SchemaSnapshots::TxId>(snapshot.TxId), 
-            NIceDb::TUpdate<Schema::SchemaSnapshots::Schema>(snapshot.Schema->GetSchema()) 
-        ); 
-} 
- 
-void TSchemaSnapshotManager::PersistRemoveSnapshot(NIceDb::TNiceDb& db, const TSchemaSnapshotKey& key) { 
-    using Schema = TDataShard::Schema; 
-    db.Table<Schema::SchemaSnapshots>() 
-        .Key(key.OwnerId, key.PathId, key.Version) 
-        .Delete(); 
-} 
- 
-} // NDataShard 
-} // NKikimr 
- 
-Y_DECLARE_OUT_SPEC(, NKikimr::NDataShard::TSchemaSnapshotKey, stream, value) { 
-    stream << "{ table " << value.OwnerId << ":" << value.PathId << " version " << value.Version << " }"; 
-} 
+#include "datashard_impl.h"
+#include "datashard_schema_snapshots.h"
+
+#include <ydb/core/util/pb.h>
+
+namespace NKikimr {
+namespace NDataShard {
+
+TSchemaSnapshot::TSchemaSnapshot(TUserTable::TCPtr schema, ui64 step, ui64 txId)
+    : Schema(schema)
+    , Step(step)
+    , TxId(txId)
+{
+}
+
+TSchemaSnapshotManager::TSchemaSnapshotManager(const TDataShard* self)
+    : Self(self)
+{
+}
+
+void TSchemaSnapshotManager::Reset() {
+    Snapshots.clear();
+}
+
+bool TSchemaSnapshotManager::Load(NIceDb::TNiceDb& db) {
+    using Schema = TDataShard::Schema;
+
+    auto rowset = db.Table<Schema::SchemaSnapshots>().Range().Select();
+    if (!rowset.IsReady()) {
+        return false;
+    }
+
+    const auto& tables = Self->GetUserTables();
+    while (!rowset.EndOfSet()) {
+        const ui64 oid = rowset.GetValue<Schema::SchemaSnapshots::PathOwnerId>();
+        const ui64 tid = rowset.GetValue<Schema::SchemaSnapshots::LocalPathId>();
+        const ui64 version = rowset.GetValue<Schema::SchemaSnapshots::SchemaVersion>();
+        const ui64 step = rowset.GetValue<Schema::SchemaSnapshots::Step>();
+        const ui64 txId = rowset.GetValue<Schema::SchemaSnapshots::TxId>();
+        const TString schema = rowset.GetValue<Schema::SchemaSnapshots::Schema>();
+
+        NKikimrSchemeOp::TTableDescription desc;
+        const bool ok = ParseFromStringNoSizeLimit(desc, schema);
+        Y_VERIFY(ok);
+
+        auto it = tables.find(tid);
+        Y_VERIFY_S(it != tables.end(), "Cannot find table: " << tid);
+
+        const auto res = Snapshots.emplace(
+            std::piecewise_construct,
+            std::forward_as_tuple(oid, tid, version),
+            std::forward_as_tuple(new TUserTable(it->second->LocalTid, desc, 0), step, txId)
+        );
+        Y_VERIFY_S(res.second, "Duplicate schema snapshot: " << res.first->first);
+
+        if (!rowset.Next()) {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool TSchemaSnapshotManager::AddSnapshot(NTable::TDatabase& db, const TSchemaSnapshotKey& key, const TSchemaSnapshot& snapshot) {
+    if (auto it = Snapshots.find(key); it != Snapshots.end()) {
+        Y_VERIFY_DEBUG_S(false, "Duplicate schema snapshot: " << key);
+        return false;
+    }
+
+    auto it = Self->GetUserTables().find(key.PathId);
+    Y_VERIFY_S(it != Self->GetUserTables().end(), "Cannot find table: " << key.PathId);
+
+    const auto res = Snapshots.emplace(key, snapshot);
+    Y_VERIFY_S(res.second, "Duplicate schema snapshot: " << key);
+
+    NIceDb::TNiceDb nicedb(db);
+    PersistAddSnapshot(nicedb, key, snapshot);
+
+    return true;
+}
+
+const TSchemaSnapshot* TSchemaSnapshotManager::FindSnapshot(const TSchemaSnapshotKey& key) const {
+    return Snapshots.FindPtr(key);
+}
+
+bool TSchemaSnapshotManager::AcquireReference(const TSchemaSnapshotKey& key) {
+    auto it = Snapshots.find(key);
+    if (it == Snapshots.end()) {
+        return false;
+    }
+
+    ++References[key];
+    return true;
+}
+
+bool TSchemaSnapshotManager::ReleaseReference(const TSchemaSnapshotKey& key, NIceDb::TNiceDb& db) {
+    auto refIt = References.find(key);
+
+    if (refIt == References.end() || refIt->second <= 0) {
+        Y_VERIFY_DEBUG(false, "ReleaseReference underflow, check acquire/release pairs");
+        return false;
+    }
+
+    if (--refIt->second) {
+        return false;
+    }
+
+    References.erase(refIt);
+
+    auto it = Snapshots.find(key);
+    if (it == Snapshots.end()) {
+        Y_VERIFY_DEBUG(false, "ReleaseReference on an already removed snapshot");
+        return false;
+    }
+
+    PersistRemoveSnapshot(db, key);
+    return true;
+}
+
+void TSchemaSnapshotManager::PersistAddSnapshot(NIceDb::TNiceDb& db, const TSchemaSnapshotKey& key, const TSchemaSnapshot& snapshot) {
+    using Schema = TDataShard::Schema;
+    db.Table<Schema::SchemaSnapshots>()
+        .Key(key.OwnerId, key.PathId, key.Version)
+        .Update(
+            NIceDb::TUpdate<Schema::SchemaSnapshots::Step>(snapshot.Step),
+            NIceDb::TUpdate<Schema::SchemaSnapshots::TxId>(snapshot.TxId),
+            NIceDb::TUpdate<Schema::SchemaSnapshots::Schema>(snapshot.Schema->GetSchema())
+        );
+}
+
+void TSchemaSnapshotManager::PersistRemoveSnapshot(NIceDb::TNiceDb& db, const TSchemaSnapshotKey& key) {
+    using Schema = TDataShard::Schema;
+    db.Table<Schema::SchemaSnapshots>()
+        .Key(key.OwnerId, key.PathId, key.Version)
+        .Delete();
+}
+
+} // NDataShard
+} // NKikimr
+
+Y_DECLARE_OUT_SPEC(, NKikimr::NDataShard::TSchemaSnapshotKey, stream, value) {
+    stream << "{ table " << value.OwnerId << ":" << value.PathId << " version " << value.Version << " }";
+}
diff --git a/ydb/core/tx/datashard/datashard_schema_snapshots.h b/ydb/core/tx/datashard/datashard_schema_snapshots.h
index 28ce7a3f96..a8218a2259 100644
--- a/ydb/core/tx/datashard/datashard_schema_snapshots.h
+++ b/ydb/core/tx/datashard/datashard_schema_snapshots.h
@@ -1,50 +1,50 @@
-#pragma once 
- 
-#include "datashard_user_table.h" 
-#include "snapshot_key.h" 
- 
-#include <ydb/core/tablet_flat/flat_cxx_database.h> 
- 
-#include <util/generic/hash.h> 
-#include <util/generic/map.h> 
- 
-namespace NKikimr { 
-namespace NDataShard { 
- 
-class TDataShard; 
-class TSchemaSnapshotManager; 
- 
-struct TSchemaSnapshot { 
-    TUserTable::TCPtr Schema; 
-    ui64 Step = 0; 
-    ui64 TxId = 0; 
- 
-    explicit TSchemaSnapshot(TUserTable::TCPtr schema, ui64 step, ui64 txId); 
-}; 
- 
-class TSchemaSnapshotManager { 
-public: 
-    explicit TSchemaSnapshotManager(const TDataShard* self); 
- 
-    void Reset(); 
-    bool Load(NIceDb::TNiceDb& db); 
- 
-    bool AddSnapshot(NTable::TDatabase& db, const TSchemaSnapshotKey& key, const TSchemaSnapshot& snapshot); 
-    const TSchemaSnapshot* FindSnapshot(const TSchemaSnapshotKey& key) const; 
- 
-    bool AcquireReference(const TSchemaSnapshotKey& key); 
-    bool ReleaseReference(const TSchemaSnapshotKey& key, NIceDb::TNiceDb& db); 
- 
-private: 
-    void PersistAddSnapshot(NIceDb::TNiceDb& db, const TSchemaSnapshotKey& key, const TSchemaSnapshot& snapshot); 
-    void PersistRemoveSnapshot(NIceDb::TNiceDb& db, const TSchemaSnapshotKey& key); 
- 
-private: 
-    const TDataShard* Self; 
-    TMap<TSchemaSnapshotKey, TSchemaSnapshot, TLess<void>> Snapshots; 
-    THashMap<TSchemaSnapshotKey, size_t> References; 
- 
-}; // TSchemaSnapshotManager 
- 
-} // NDataShard 
-} // NKikimr 
+#pragma once
+
+#include "datashard_user_table.h"
+#include "snapshot_key.h"
+
+#include <ydb/core/tablet_flat/flat_cxx_database.h>
+
+#include <util/generic/hash.h>
+#include <util/generic/map.h>
+
+namespace NKikimr {
+namespace NDataShard {
+
+class TDataShard;
+class TSchemaSnapshotManager;
+
+struct TSchemaSnapshot {
+    TUserTable::TCPtr Schema;
+    ui64 Step = 0;
+    ui64 TxId = 0;
+
+    explicit TSchemaSnapshot(TUserTable::TCPtr schema, ui64 step, ui64 txId);
+};
+
+class TSchemaSnapshotManager {
+public:
+    explicit TSchemaSnapshotManager(const TDataShard* self);
+
+    void Reset();
+    bool Load(NIceDb::TNiceDb& db);
+
+    bool AddSnapshot(NTable::TDatabase& db, const TSchemaSnapshotKey& key, const TSchemaSnapshot& snapshot);
+    const TSchemaSnapshot* FindSnapshot(const TSchemaSnapshotKey& key) const;
+
+    bool AcquireReference(const TSchemaSnapshotKey& key);
+    bool ReleaseReference(const TSchemaSnapshotKey& key, NIceDb::TNiceDb& db);
+
+private:
+    void PersistAddSnapshot(NIceDb::TNiceDb& db, const TSchemaSnapshotKey& key, const TSchemaSnapshot& snapshot);
+    void PersistRemoveSnapshot(NIceDb::TNiceDb& db, const TSchemaSnapshotKey& key);
+
+private:
+    const TDataShard* Self;
+    TMap<TSchemaSnapshotKey, TSchemaSnapshot, TLess<void>> Snapshots;
+    THashMap<TSchemaSnapshotKey, size_t> References;
+
+}; // TSchemaSnapshotManager
+
+} // NDataShard
+} // NKikimr
diff --git a/ydb/core/tx/datashard/datashard_snapshots.cpp b/ydb/core/tx/datashard/datashard_snapshots.cpp
index 5641de37fd..da1219bb9e 100644
--- a/ydb/core/tx/datashard/datashard_snapshots.cpp
+++ b/ydb/core/tx/datashard/datashard_snapshots.cpp
@@ -147,15 +147,15 @@ void TSnapshotManager::SetCompleteEdge(NIceDb::TNiceDb& db, const TRowVersion& v
     CompleteEdge = version;
 }
 
-bool TSnapshotManager::PromoteCompleteEdge(const TRowVersion& version, TTransactionContext& txc) { 
+bool TSnapshotManager::PromoteCompleteEdge(const TRowVersion& version, TTransactionContext& txc) {
     if (!IsMvccEnabled())
         return false;
 
-    if (CompleteEdge >= version) 
+    if (CompleteEdge >= version)
         return false;
 
     NIceDb::TNiceDb db(txc.DB);
-    SetCompleteEdge(db, version); 
+    SetCompleteEdge(db, version);
     txc.OnCommitted([this, edge = CompleteEdge] {
         this->CommittedCompleteEdge = edge;
     });
@@ -163,23 +163,23 @@ bool TSnapshotManager::PromoteCompleteEdge(const TRowVersion& version, TTransact
     return true;
 }
 
-bool TSnapshotManager::PromoteCompleteEdge(TOperation* op, TTransactionContext& txc) { 
-    if (!IsMvccEnabled()) 
-        return false; 
- 
-    Y_ASSERT(op && (op->IsMvccSnapshotRead() || op->GetStep())); 
- 
-    const TRowVersion version = op->IsMvccSnapshotRead() 
-        ? op->GetMvccSnapshot() 
-        : TRowVersion(op->GetStep(), op->GetTxId()); 
- 
-    return PromoteCompleteEdge(version, txc); 
-} 
- 
-bool TSnapshotManager::PromoteCompleteEdge(ui64 writeStep, TTransactionContext& txc) { 
-    return PromoteCompleteEdge(TRowVersion(writeStep, 0), txc); 
-} 
- 
+bool TSnapshotManager::PromoteCompleteEdge(TOperation* op, TTransactionContext& txc) {
+    if (!IsMvccEnabled())
+        return false;
+
+    Y_ASSERT(op && (op->IsMvccSnapshotRead() || op->GetStep()));
+
+    const TRowVersion version = op->IsMvccSnapshotRead()
+        ? op->GetMvccSnapshot()
+        : TRowVersion(op->GetStep(), op->GetTxId());
+
+    return PromoteCompleteEdge(version, txc);
+}
+
+bool TSnapshotManager::PromoteCompleteEdge(ui64 writeStep, TTransactionContext& txc) {
+    return PromoteCompleteEdge(TRowVersion(writeStep, 0), txc);
+}
+
 TRowVersion TSnapshotManager::GetIncompleteEdge() const {
     return IncompleteEdge;
 }
diff --git a/ydb/core/tx/datashard/datashard_snapshots.h b/ydb/core/tx/datashard/datashard_snapshots.h
index 3c6b49d331..8746834112 100644
--- a/ydb/core/tx/datashard/datashard_snapshots.h
+++ b/ydb/core/tx/datashard/datashard_snapshots.h
@@ -1,7 +1,7 @@
 #pragma once
 
 #include "const.h"
-#include "snapshot_key.h" 
+#include "snapshot_key.h"
 
 #include <ydb/core/tablet_flat/flat_cxx_database.h>
 #include <ydb/core/tablet_flat/tablet_flat_executor.h>
@@ -121,7 +121,7 @@ public:
 
     void SetCompleteEdge(NIceDb::TNiceDb& db, const TRowVersion& version);
 
-    bool PromoteCompleteEdge(const TRowVersion& version, TTransactionContext& txc); 
+    bool PromoteCompleteEdge(const TRowVersion& version, TTransactionContext& txc);
     bool PromoteCompleteEdge(TOperation* op, TTransactionContext& txc);
     bool PromoteCompleteEdge(ui64 writeStep, TTransactionContext& txc);
 
diff --git a/ydb/core/tx/datashard/datashard_split_dst.cpp b/ydb/core/tx/datashard/datashard_split_dst.cpp
index d6ed124315..6575081001 100644
--- a/ydb/core/tx/datashard/datashard_split_dst.cpp
+++ b/ydb/core/tx/datashard/datashard_split_dst.cpp
@@ -234,11 +234,11 @@ public:
         db.Table<Schema::SplitDstReceivedSnapshots>().Key(srcTabletId).Update();
         Self->ReceiveSnapshotsFrom.erase(srcTabletId);
 
-        if (record.GetWaitForActivation()) { 
-            Self->ReceiveActivationsFrom.insert(srcTabletId); 
-            db.Table<Schema::DstChangeSenderActivations>().Key(srcTabletId).Update(); 
-        } 
- 
+        if (record.GetWaitForActivation()) {
+            Self->ReceiveActivationsFrom.insert(srcTabletId);
+            db.Table<Schema::DstChangeSenderActivations>().Key(srcTabletId).Update();
+        }
+
         if (Self->ReceiveSnapshotsFrom.empty()) {
             LastSnapshotReceived = true;
 
diff --git a/ydb/core/tx/datashard/datashard_split_src.cpp b/ydb/core/tx/datashard/datashard_split_src.cpp
index e5bf204f69..a7349fc9cf 100644
--- a/ydb/core/tx/datashard/datashard_split_src.cpp
+++ b/ydb/core/tx/datashard/datashard_split_src.cpp
@@ -197,7 +197,7 @@ public:
         return true;
     }
 
-    void Complete(const TActorContext &) override { 
+    void Complete(const TActorContext &) override {
     }
 };
 
@@ -209,13 +209,13 @@ NTabletFlatExecutor::ITransaction* TDataShard::CreateTxStartSplit() {
 class TDataShard::TTxSplitSnapshotComplete : public NTabletFlatExecutor::TTransactionBase<TDataShard> {
 private:
     TIntrusivePtr<TSplitSnapshotContext> SnapContext;
-    bool ChangeExchangeSplit; 
+    bool ChangeExchangeSplit;
 
 public:
     TTxSplitSnapshotComplete(TDataShard* ds, TIntrusivePtr<TSplitSnapshotContext> snapContext)
         : NTabletFlatExecutor::TTransactionBase<TDataShard>(ds)
         , SnapContext(snapContext)
-        , ChangeExchangeSplit(false) 
+        , ChangeExchangeSplit(false)
     {}
 
     TTxType GetTxType() const override { return TXTYPE_SPLIT_SNASHOT_COMPLETE; }
@@ -341,16 +341,16 @@ public:
                     proto->SetTimeoutMs(kv.second.Timeout.MilliSeconds());
                 }
 
-                if (Self->ChangesQueue || tableInfo.HasCdcStreams()) { 
-                    snapshot->SetWaitForActivation(true); 
-                    Self->ChangeSenderActivator.AddDst(dstTablet); 
-                    db.Table<Schema::SrcChangeSenderActivations>().Key(dstTablet).Update(); 
- 
-                    if (tableInfo.HasCdcStreams()) { 
-                        Self->ChangeExchangeSplitter.AddDst(dstTablet); 
-                    } 
-                } 
- 
+                if (Self->ChangesQueue || tableInfo.HasCdcStreams()) {
+                    snapshot->SetWaitForActivation(true);
+                    Self->ChangeSenderActivator.AddDst(dstTablet);
+                    db.Table<Schema::SrcChangeSenderActivations>().Key(dstTablet).Update();
+
+                    if (tableInfo.HasCdcStreams()) {
+                        Self->ChangeExchangeSplitter.AddDst(dstTablet);
+                    }
+                }
+
                 if (sourceOffsetsBytes > 0) {
                     snapshot->SetReplicationSourceOffsetsBytes(sourceOffsetsBytes);
                 }
@@ -366,8 +366,8 @@ public:
             }
         }
 
-        ChangeExchangeSplit = !Self->ChangesQueue && !Self->ChangeExchangeSplitter.Done(); 
- 
+        ChangeExchangeSplit = !Self->ChangesQueue && !Self->ChangeExchangeSplitter.Done();
+
         if (needToReadPages) {
             LOG_DEBUG_S(ctx, NKikimrServices::TX_DATASHARD, Self->TabletID() << " BorrowSnapshot is restarting for split OpId " << opId);
             return false;
@@ -384,9 +384,9 @@ public:
     void Complete(const TActorContext &ctx) override {
         LOG_DEBUG_S(ctx, NKikimrServices::TX_DATASHARD, Self->TabletID() << " Sending snapshots from src for split OpId " << Self->SrcSplitOpId);
         Self->SplitSrcSnapshotSender.DoSend(ctx);
-        if (ChangeExchangeSplit) { 
-            Self->ChangeExchangeSplitter.DoSplit(ctx); 
-        } 
+        if (ChangeExchangeSplit) {
+            Self->ChangeExchangeSplitter.DoSplit(ctx);
+        }
     }
 };
 
@@ -400,14 +400,14 @@ class TDataShard::TTxSplitTransferSnapshotAck : public NTabletFlatExecutor::TTra
 private:
     TEvDataShard::TEvSplitTransferSnapshotAck::TPtr Ev;
     bool AllDstAcksReceived;
-    bool Activate; 
+    bool Activate;
 
 public:
     TTxSplitTransferSnapshotAck(TDataShard* ds, TEvDataShard::TEvSplitTransferSnapshotAck::TPtr& ev)
         : NTabletFlatExecutor::TTransactionBase<TDataShard>(ds)
         , Ev(ev)
         , AllDstAcksReceived(false)
-        , Activate(false) 
+        , Activate(false)
     {}
 
     TTxType GetTxType() const override { return TXTYPE_SPLIT_TRANSFER_SNAPSHOT_ACK; }
@@ -431,10 +431,10 @@ public:
         // Remove the row for acked snapshot
         db.Table<Schema::SplitSrcSnapshots>().Key(dstTabletId).Delete();
 
-        if (!Self->ChangesQueue && Self->ChangeExchangeSplitter.Done()) { 
-            Activate = !Self->ChangeSenderActivator.Acked(dstTabletId); 
-        } 
- 
+        if (!Self->ChangesQueue && Self->ChangeExchangeSplitter.Done()) {
+            Activate = !Self->ChangeSenderActivator.Acked(dstTabletId);
+        }
+
         return true;
     }
 
@@ -446,13 +446,13 @@ public:
                 ctx.Send(ackTo, new TEvDataShard::TEvSplitAck(opId, Self->TabletID()));
             }
         }
- 
-        if (Activate) { 
-            const ui64 dstTabletId = Ev->Get()->Record.GetTabletId(); 
-            if (!Self->ChangeSenderActivator.Acked(dstTabletId)) { 
-                Self->ChangeSenderActivator.DoSend(dstTabletId, ctx); 
-            } 
-        } 
+
+        if (Activate) {
+            const ui64 dstTabletId = Ev->Get()->Record.GetTabletId();
+            if (!Self->ChangeSenderActivator.Acked(dstTabletId)) {
+                Self->ChangeSenderActivator.DoSend(dstTabletId, ctx);
+            }
+        }
     }
 };
 
@@ -460,7 +460,7 @@ public:
 class TDataShard::TTxSplitPartitioningChanged : public NTabletFlatExecutor::TTransactionBase<TDataShard> {
 private:
     TEvDataShard::TEvSplitPartitioningChanged::TPtr Ev;
-    bool DelayPartitioningChangedAck = false; 
+    bool DelayPartitioningChangedAck = false;
 
 public:
     TTxSplitPartitioningChanged(TDataShard* ds, TEvDataShard::TEvSplitPartitioningChanged::TPtr& ev)
@@ -471,20 +471,20 @@ public:
     TTxType GetTxType() const override { return TXTYPE_SPLIT_PARTITIONING_CHANGED; }
 
     bool Execute(TTransactionContext& txc, const TActorContext& ctx) override {
-        ui64 opId = Ev->Get()->Record.GetOperationCookie(); 
- 
+        ui64 opId = Ev->Get()->Record.GetOperationCookie();
+
         LOG_DEBUG(ctx, NKikimrServices::TX_DATASHARD, "Got TEvSplitPartitioningChanged opId %" PRIu64 " at datashard %" PRIu64 " state %s",
-                opId, Self->TabletID(), DatashardStateName(Self->State).data()); 
-
-        if (Self->ChangesQueue || !Self->ChangeSenderActivator.AllAcked()) { 
-            LOG_NOTICE_S(ctx, NKikimrServices::TX_DATASHARD, Self->TabletID() << " delay partitioning changed ack" 
-                << " ChangesQueue size: " << Self->ChangesQueue.size() 
-                << " siblings to be activated: " << Self->ChangeSenderActivator.Dump()); 
- 
-            DelayPartitioningChangedAck = true; 
-            Self->SrcAckPartitioningChangedTo[Ev->Sender].insert(opId); 
-        } 
- 
+                opId, Self->TabletID(), DatashardStateName(Self->State).data());
+
+        if (Self->ChangesQueue || !Self->ChangeSenderActivator.AllAcked()) {
+            LOG_NOTICE_S(ctx, NKikimrServices::TX_DATASHARD, Self->TabletID() << " delay partitioning changed ack"
+                << " ChangesQueue size: " << Self->ChangesQueue.size()
+                << " siblings to be activated: " << Self->ChangeSenderActivator.Dump());
+
+            DelayPartitioningChangedAck = true;
+            Self->SrcAckPartitioningChangedTo[Ev->Sender].insert(opId);
+        }
+
         // TODO: At this point Src should start rejecting all new Tx with SchemaChanged status
         if (Self->State != TShardState::SplitSrcWaitForPartitioningChanged) {
             Y_VERIFY(Self->State == TShardState::PreOffline || Self->State == TShardState::Offline,
@@ -507,10 +507,10 @@ public:
         TActorId ackTo = Ev->Sender;
         ui64 opId = Ev->Get()->Record.GetOperationCookie();
 
-        if (DelayPartitioningChangedAck) { 
-            return; 
-        } 
- 
+        if (DelayPartitioningChangedAck) {
+            return;
+        }
+
         LOG_DEBUG_S(ctx, NKikimrServices::TX_DATASHARD, Self->TabletID() << " ack split partitioning changed to schemeshard " << opId);
         ctx.Send(ackTo, new TEvDataShard::TEvSplitPartitioningChangedAck(opId, Self->TabletID()));
 
diff --git a/ydb/core/tx/datashard/datashard_switch_mvcc_state.cpp b/ydb/core/tx/datashard/datashard_switch_mvcc_state.cpp
index ca048ef237..04c09cf74b 100644
--- a/ydb/core/tx/datashard/datashard_switch_mvcc_state.cpp
+++ b/ydb/core/tx/datashard/datashard_switch_mvcc_state.cpp
@@ -13,7 +13,7 @@ void TDataShard::CheckMvccStateChangeCanStart(const TActorContext& ctx) {
 
                 case TShardState::Ready:
                 case TShardState::Frozen: {
-                    const auto enable = AppData(ctx)->FeatureFlags.GetEnableMvcc(); 
+                    const auto enable = AppData(ctx)->FeatureFlags.GetEnableMvcc();
                     if (enable && *enable != IsMvccEnabled()) {
                         MvccSwitchState = TSwitchState::SWITCHING;
                     } else {
@@ -79,10 +79,10 @@ bool TDataShard::TTxExecuteMvccStateChange::Execute(TTransactionContext& txc, co
 
         auto [step, txId] = Self->LastCompleteTxVersion();
         Self->SnapshotManager.ChangeMvccState(step, txId, txc,
-            *AppData(ctx)->FeatureFlags.GetEnableMvcc() ? EMvccState::MvccEnabled : EMvccState::MvccDisabled); 
+            *AppData(ctx)->FeatureFlags.GetEnableMvcc() ? EMvccState::MvccEnabled : EMvccState::MvccDisabled);
 
         LOG_DEBUG(ctx, NKikimrServices::TX_DATASHARD, TStringBuilder() << "TTxExecuteMvccStateChange.Execute"
-            << " MVCC state switched to" << (*AppData(ctx)->FeatureFlags.GetEnableMvcc() ? " enabled" : " disabled") << " state"); 
+            << " MVCC state switched to" << (*AppData(ctx)->FeatureFlags.GetEnableMvcc() ? " enabled" : " disabled") << " state");
 
         ActivateWaitingOps = true;
     }
diff --git a/ydb/core/tx/datashard/datashard_trans_queue.cpp b/ydb/core/tx/datashard/datashard_trans_queue.cpp
index 607b6fdd41..d7096c25b3 100644
--- a/ydb/core/tx/datashard/datashard_trans_queue.cpp
+++ b/ydb/core/tx/datashard/datashard_trans_queue.cpp
@@ -131,21 +131,21 @@ bool TTransQueue::Load(NIceDb::TNiceDb& db) {
             ui64 maxStep = rowset.GetValue<Schema::SchemaOperations::MaxStep>();
             ui64 planStep = rowset.GetValueOrDefault<Schema::SchemaOperations::PlanStep>(0);
             ui64 readOnly = rowset.GetValueOrDefault<Schema::SchemaOperations::ReadOnly>(false);
-            bool success = rowset.GetValueOrDefault<Schema::SchemaOperations::Success>(false); 
-            TString error = rowset.GetValueOrDefault<Schema::SchemaOperations::Error>(TString()); 
-            ui64 dataSize = rowset.GetValueOrDefault<Schema::SchemaOperations::DataSize>(0); 
-            ui64 rows = rowset.GetValueOrDefault<Schema::SchemaOperations::Rows>(0); 
+            bool success = rowset.GetValueOrDefault<Schema::SchemaOperations::Success>(false);
+            TString error = rowset.GetValueOrDefault<Schema::SchemaOperations::Error>(TString());
+            ui64 dataSize = rowset.GetValueOrDefault<Schema::SchemaOperations::DataSize>(0);
+            ui64 rows = rowset.GetValueOrDefault<Schema::SchemaOperations::Rows>(0);
 
             if (!tabletId) { // Remove legacy data from DB. New schema operations has tabletId
                 db.Table<Schema::SchemaOperations>().Key(txId).Delete();
                 continue;
             }
 
-            TSchemaOperation op(txId, TSchemaOperation::EType(opType), source, 
-                               tabletId, minStep, maxStep, planStep, readOnly, 
-                               success, error, dataSize, rows); 
+            TSchemaOperation op(txId, TSchemaOperation::EType(opType), source,
+                               tabletId, minStep, maxStep, planStep, readOnly,
+                               success, error, dataSize, rows);
             auto saved = SchemaOps.insert(std::make_pair(op.TxId, op));
-            TSchemaOperation * savedOp = &saved.first->second; 
+            TSchemaOperation * savedOp = &saved.first->second;
             if (schemaTxs.contains(txId)) { // is not done yet
                 Self->Pipeline.SetSchemaOp(savedOp);
             } else {
@@ -162,7 +162,7 @@ bool TTransQueue::Load(NIceDb::TNiceDb& db) {
                 return false;
             while (!rowset.EndOfSet()) {
                 ui64 txId = rowset.GetValue<Schema::ScanProgress::TxId>();
-                TSchemaOperation* op = FindSchemaTx(txId); 
+                TSchemaOperation* op = FindSchemaTx(txId);
                 if (!op) {
                     LOG_WARN_S(TlsActivationContext->AsActorContext(), NKikimrServices::TX_DATASHARD,
                                "Op was not found for persisted scan tx id " << txId
@@ -185,7 +185,7 @@ bool TTransQueue::Load(NIceDb::TNiceDb& db) {
     return true;
 }
 
-void TTransQueue::ProposeSchemaTx(NIceDb::TNiceDb& db, const TSchemaOperation& op) { 
+void TTransQueue::ProposeSchemaTx(NIceDb::TNiceDb& db, const TSchemaOperation& op) {
     using Schema = TDataShard::Schema;
 
     // Auto-ack previous schema operation
@@ -206,13 +206,13 @@ void TTransQueue::ProposeSchemaTx(NIceDb::TNiceDb& db, const TSchemaOperation& o
         NIceDb::TUpdate<Schema::SchemaOperations::MinStep>(op.MinStep),
         NIceDb::TUpdate<Schema::SchemaOperations::MaxStep>(op.MaxStep),
         NIceDb::TUpdate<Schema::SchemaOperations::PlanStep>(op.PlanStep),
-        NIceDb::TUpdate<Schema::SchemaOperations::ReadOnly>(op.ReadOnly), 
-        NIceDb::TUpdate<Schema::SchemaOperations::Success>(op.Success), 
-        NIceDb::TUpdate<Schema::SchemaOperations::Error>(op.Error), 
-        NIceDb::TUpdate<Schema::SchemaOperations::DataSize>(op.BytesProcessed), 
-        NIceDb::TUpdate<Schema::SchemaOperations::Rows>(op.RowsProcessed)); 
+        NIceDb::TUpdate<Schema::SchemaOperations::ReadOnly>(op.ReadOnly),
+        NIceDb::TUpdate<Schema::SchemaOperations::Success>(op.Success),
+        NIceDb::TUpdate<Schema::SchemaOperations::Error>(op.Error),
+        NIceDb::TUpdate<Schema::SchemaOperations::DataSize>(op.BytesProcessed),
+        NIceDb::TUpdate<Schema::SchemaOperations::Rows>(op.RowsProcessed));
 
-    TSchemaOperation * savedOp = &saved.first->second; 
+    TSchemaOperation * savedOp = &saved.first->second;
     Y_VERIFY(savedOp->TabletId);
     Self->Pipeline.SetSchemaOp(savedOp);
 
diff --git a/ydb/core/tx/datashard/datashard_trans_queue.h b/ydb/core/tx/datashard/datashard_trans_queue.h
index 8e5201c190..1d392676da 100644
--- a/ydb/core/tx/datashard/datashard_trans_queue.h
+++ b/ydb/core/tx/datashard/datashard_trans_queue.h
@@ -65,8 +65,8 @@ public:
         return EMPTY_PLAN;
     }
 
-    TSchemaOperation * FindSchemaTx(ui64 txId) { return SchemaOps.FindPtr(txId); } 
-    const TMap<ui64, TSchemaOperation>& GetSchemaOperations() const { return SchemaOps; } 
+    TSchemaOperation * FindSchemaTx(ui64 txId) { return SchemaOps.FindPtr(txId); }
+    const TMap<ui64, TSchemaOperation>& GetSchemaOperations() const { return SchemaOps; }
     bool HasNotAckedSchemaTx() const { return ! SchemaOps.empty(); }
 
     ui64 TxPlanWaiting() const { return PlanWaitingTxCount; }
@@ -84,7 +84,7 @@ private: // for pipeline only
     void ProposeTx(NIceDb::TNiceDb& db, TOperation::TPtr op, TActorId source, const TStringBuf& txBody);
     void UpdateTxFlags(NIceDb::TNiceDb& db, ui64 txId, ui64 flags);
     void UpdateTxBody(NIceDb::TNiceDb& db, ui64 txId, const TStringBuf& txBody);
-    void ProposeSchemaTx(NIceDb::TNiceDb& db, const TSchemaOperation& op); 
+    void ProposeSchemaTx(NIceDb::TNiceDb& db, const TSchemaOperation& op);
     bool CancelPropose(NIceDb::TNiceDb& db, ui64 txId);
     ECleanupStatus CleanupOutdated(NIceDb::TNiceDb& db, ui64 outdatedStep, ui32 batchSize, TVector<ui64>& outdatedTxs);
 
@@ -126,7 +126,7 @@ private:
     TSet<TStepOrder> PlannedTxs;
     THashMap<EOperationKind, TSet<TStepOrder>> PlannedTxsByKind;
     TSet<std::pair<ui64, ui64>> DeadlineQueue; // {maxStep, txId}
-    TMap<ui64, TSchemaOperation> SchemaOps; // key - txId 
+    TMap<ui64, TSchemaOperation> SchemaOps; // key - txId
     TSet<ui64> ProposeDelayers;
     ui64 PlanWaitingTxCount = 0;
 
diff --git a/ydb/core/tx/datashard/datashard_txs.h b/ydb/core/tx/datashard/datashard_txs.h
index b2638a8c2c..4a9ab00878 100644
--- a/ydb/core/tx/datashard/datashard_txs.h
+++ b/ydb/core/tx/datashard/datashard_txs.h
@@ -1,6 +1,6 @@
 #pragma once
 
-#include "datashard_common_upload.h" 
+#include "datashard_common_upload.h"
 #include "datashard_impl.h"
 #include "execution_unit_kind.h"
 
@@ -46,8 +46,8 @@ public:
 private:
     bool CreateScheme(TTransactionContext &txc);
     bool ReadEverything(TTransactionContext &txc);
-private: 
-    TVector<TEvChangeExchange::TEvEnqueueRecords::TRecordInfo> ChangeRecords; 
+private:
+    TVector<TEvChangeExchange::TEvEnqueueRecords::TRecordInfo> ChangeRecords;
 };
 
 class TDataShard::TTxPlanStep : public NTabletFlatExecutor::TTransactionBase<TDataShard> {
@@ -219,71 +219,71 @@ private:
 };
 
 class TDataShard::TTxGetS3Upload: public NTabletFlatExecutor::TTransactionBase<TDataShard> {
-public: 
+public:
     TTxGetS3Upload(TDataShard* ds, TEvDataShard::TEvGetS3Upload::TPtr ev);
-    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override; 
-    void Complete(const TActorContext& ctx) override; 
-    TTxType GetTxType() const override { return TXTYPE_GET_S3_UPLOAD_ID; } 
-private: 
-    TEvDataShard::TEvGetS3Upload::TPtr Ev; 
-    THolder<TEvDataShard::TEvS3Upload> Reply; 
-}; 
- 
+    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override;
+    void Complete(const TActorContext& ctx) override;
+    TTxType GetTxType() const override { return TXTYPE_GET_S3_UPLOAD_ID; }
+private:
+    TEvDataShard::TEvGetS3Upload::TPtr Ev;
+    THolder<TEvDataShard::TEvS3Upload> Reply;
+};
+
 class TDataShard::TTxStoreS3UploadId: public NTabletFlatExecutor::TTransactionBase<TDataShard> {
-public: 
+public:
     TTxStoreS3UploadId(TDataShard* ds, TEvDataShard::TEvStoreS3UploadId::TPtr ev);
-    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override; 
-    void Complete(const TActorContext& ctx) override; 
-    TTxType GetTxType() const override { return TXTYPE_STORE_S3_UPLOAD_ID; } 
-private: 
-    TEvDataShard::TEvStoreS3UploadId::TPtr Ev; 
-    THolder<TEvDataShard::TEvS3Upload> Reply; 
-}; 
- 
+    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override;
+    void Complete(const TActorContext& ctx) override;
+    TTxType GetTxType() const override { return TXTYPE_STORE_S3_UPLOAD_ID; }
+private:
+    TEvDataShard::TEvStoreS3UploadId::TPtr Ev;
+    THolder<TEvDataShard::TEvS3Upload> Reply;
+};
+
 class TDataShard::TTxChangeS3UploadStatus: public NTabletFlatExecutor::TTransactionBase<TDataShard> {
-public: 
+public:
     TTxChangeS3UploadStatus(TDataShard* ds, TEvDataShard::TEvChangeS3UploadStatus::TPtr ev);
-    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override; 
-    void Complete(const TActorContext& ctx) override; 
-    TTxType GetTxType() const override { return TXTYPE_CHANGE_S3_UPLOAD_STATUS; } 
-private: 
-    TEvDataShard::TEvChangeS3UploadStatus::TPtr Ev; 
-    THolder<TEvDataShard::TEvS3Upload> Reply; 
-}; 
- 
+    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override;
+    void Complete(const TActorContext& ctx) override;
+    TTxType GetTxType() const override { return TXTYPE_CHANGE_S3_UPLOAD_STATUS; }
+private:
+    TEvDataShard::TEvChangeS3UploadStatus::TPtr Ev;
+    THolder<TEvDataShard::TEvS3Upload> Reply;
+};
+
 class TDataShard::TTxGetS3DownloadInfo: public NTabletFlatExecutor::TTransactionBase<TDataShard> {
-public: 
+public:
     TTxGetS3DownloadInfo(TDataShard* ds, TEvDataShard::TEvGetS3DownloadInfo::TPtr ev);
-    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override; 
-    void Complete(const TActorContext& ctx) override; 
-    TTxType GetTxType() const override { return TXTYPE_GET_S3_DOWNLOAD_INFO; } 
-private: 
-    TEvDataShard::TEvGetS3DownloadInfo::TPtr Ev; 
-    THolder<TEvDataShard::TEvS3DownloadInfo> Reply; 
-}; 
- 
+    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override;
+    void Complete(const TActorContext& ctx) override;
+    TTxType GetTxType() const override { return TXTYPE_GET_S3_DOWNLOAD_INFO; }
+private:
+    TEvDataShard::TEvGetS3DownloadInfo::TPtr Ev;
+    THolder<TEvDataShard::TEvS3DownloadInfo> Reply;
+};
+
 class TDataShard::TTxStoreS3DownloadInfo: public NTabletFlatExecutor::TTransactionBase<TDataShard> {
-public: 
+public:
     TTxStoreS3DownloadInfo(TDataShard* ds, TEvDataShard::TEvStoreS3DownloadInfo::TPtr ev);
-    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override; 
-    void Complete(const TActorContext& ctx) override; 
-    TTxType GetTxType() const override { return TXTYPE_STORE_S3_DOWNLOAD_INFO; } 
-private: 
-    TEvDataShard::TEvStoreS3DownloadInfo::TPtr Ev; 
-    THolder<TEvDataShard::TEvS3DownloadInfo> Reply; 
-}; 
- 
+    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override;
+    void Complete(const TActorContext& ctx) override;
+    TTxType GetTxType() const override { return TXTYPE_STORE_S3_DOWNLOAD_INFO; }
+private:
+    TEvDataShard::TEvStoreS3DownloadInfo::TPtr Ev;
+    THolder<TEvDataShard::TEvS3DownloadInfo> Reply;
+};
+
 class TDataShard::TTxUnsafeUploadRows: public NTabletFlatExecutor::TTransactionBase<TDataShard>,
-                                              public TCommonUploadOps< 
-                                                  TEvDataShard::TEvUnsafeUploadRowsRequest, 
-                                                  TEvDataShard::TEvUnsafeUploadRowsResponse> { 
-public: 
+                                              public TCommonUploadOps<
+                                                  TEvDataShard::TEvUnsafeUploadRowsRequest,
+                                                  TEvDataShard::TEvUnsafeUploadRowsResponse> {
+public:
     TTxUnsafeUploadRows(TDataShard* ds, TEvDataShard::TEvUnsafeUploadRowsRequest::TPtr& ev);
-    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override; 
-    void Complete(const TActorContext& ctx) override; 
-    TTxType GetTxType() const override { return TXTYPE_UNSAFE_UPLOAD_ROWS; } 
-}; 
- 
+    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override;
+    void Complete(const TActorContext& ctx) override;
+    TTxType GetTxType() const override { return TXTYPE_UNSAFE_UPLOAD_ROWS; }
+};
+
 class TDataShard::TTxExecuteMvccStateChange: public NTabletFlatExecutor::TTransactionBase<TDataShard> {
 public:
     TTxExecuteMvccStateChange(TDataShard* ds);
diff --git a/ydb/core/tx/datashard/datashard_unsafe_upload.cpp b/ydb/core/tx/datashard/datashard_unsafe_upload.cpp
index abb5452e07..273952a06d 100644
--- a/ydb/core/tx/datashard/datashard_unsafe_upload.cpp
+++ b/ydb/core/tx/datashard/datashard_unsafe_upload.cpp
@@ -1,26 +1,26 @@
-#include "datashard_txs.h" 
- 
-namespace NKikimr { 
+#include "datashard_txs.h"
+
+namespace NKikimr {
 namespace NDataShard {
- 
+
 TDataShard::TTxUnsafeUploadRows::TTxUnsafeUploadRows(TDataShard* ds, TEvDataShard::TEvUnsafeUploadRowsRequest::TPtr& ev)
-    : TBase(ds) 
-    , TCommonUploadOps(ev, false, false) 
-{ 
-} 
- 
+    : TBase(ds)
+    , TCommonUploadOps(ev, false, false)
+{
+}
+
 bool TDataShard::TTxUnsafeUploadRows::Execute(TTransactionContext& txc, const TActorContext&) {
     auto [readVersion, writeVersion] = Self->GetReadWriteVersions();
-    if (!TCommonUploadOps::Execute(Self, txc, readVersion, writeVersion)) 
+    if (!TCommonUploadOps::Execute(Self, txc, readVersion, writeVersion))
         return false;
 
     Self->PromoteCompleteEdge(writeVersion.Step, txc);
     return true;
-} 
- 
+}
+
 void TDataShard::TTxUnsafeUploadRows::Complete(const TActorContext& ctx) {
-    TCommonUploadOps::SendResult(Self, ctx); 
-} 
- 
+    TCommonUploadOps::SendResult(Self, ctx);
+}
+
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/datashard_user_table.cpp b/ydb/core/tx/datashard/datashard_user_table.cpp
index cd9b4c3329..70bc940073 100644
--- a/ydb/core/tx/datashard/datashard_user_table.cpp
+++ b/ydb/core/tx/datashard/datashard_user_table.cpp
@@ -68,124 +68,124 @@ bool TUserTable::ResetTableSchemaVersion()
 }
 
 void TUserTable::AddIndex(const NKikimrSchemeOp::TIndexDescription& indexDesc) {
-    Y_VERIFY(indexDesc.HasPathOwnerId() && indexDesc.HasLocalPathId()); 
-    const auto addIndexPathId = TPathId(indexDesc.GetPathOwnerId(), indexDesc.GetLocalPathId()); 
- 
-    if (Indexes.contains(addIndexPathId)) { 
-        return; 
-    } 
- 
-    Indexes.emplace(addIndexPathId, TTableIndex(indexDesc, Columns)); 
-    AsyncIndexCount += ui32(indexDesc.GetType() == TTableIndex::EIndexType::EIndexTypeGlobalAsync); 
- 
+    Y_VERIFY(indexDesc.HasPathOwnerId() && indexDesc.HasLocalPathId());
+    const auto addIndexPathId = TPathId(indexDesc.GetPathOwnerId(), indexDesc.GetLocalPathId());
+
+    if (Indexes.contains(addIndexPathId)) {
+        return;
+    }
+
+    Indexes.emplace(addIndexPathId, TTableIndex(indexDesc, Columns));
+    AsyncIndexCount += ui32(indexDesc.GetType() == TTableIndex::EIndexType::EIndexTypeGlobalAsync);
+
     NKikimrSchemeOp::TTableDescription schema;
-    GetSchema(schema); 
- 
-    schema.MutableTableIndexes()->Add()->CopyFrom(indexDesc); 
-    SetSchema(schema); 
-} 
- 
-void TUserTable::DropIndex(const TPathId& indexPathId) { 
-    auto it = Indexes.find(indexPathId); 
-    if (it == Indexes.end()) { 
-        return; 
-    } 
- 
-    AsyncIndexCount -= ui32(it->second.Type == TTableIndex::EIndexType::EIndexTypeGlobalAsync); 
-    Indexes.erase(it); 
- 
+    GetSchema(schema);
+
+    schema.MutableTableIndexes()->Add()->CopyFrom(indexDesc);
+    SetSchema(schema);
+}
+
+void TUserTable::DropIndex(const TPathId& indexPathId) {
+    auto it = Indexes.find(indexPathId);
+    if (it == Indexes.end()) {
+        return;
+    }
+
+    AsyncIndexCount -= ui32(it->second.Type == TTableIndex::EIndexType::EIndexTypeGlobalAsync);
+    Indexes.erase(it);
+
     NKikimrSchemeOp::TTableDescription schema;
-    GetSchema(schema); 
- 
-    for (auto it = schema.GetTableIndexes().begin(); it != schema.GetTableIndexes().end(); ++it) { 
-        if (indexPathId != TPathId(it->GetPathOwnerId(), it->GetLocalPathId())) { 
-            continue; 
-        } 
- 
-        schema.MutableTableIndexes()->erase(it); 
-        SetSchema(schema); 
- 
-        return; 
-    } 
- 
-    Y_FAIL("unreachable"); 
-} 
- 
-bool TUserTable::HasAsyncIndexes() const { 
-    return AsyncIndexCount > 0; 
-} 
- 
+    GetSchema(schema);
+
+    for (auto it = schema.GetTableIndexes().begin(); it != schema.GetTableIndexes().end(); ++it) {
+        if (indexPathId != TPathId(it->GetPathOwnerId(), it->GetLocalPathId())) {
+            continue;
+        }
+
+        schema.MutableTableIndexes()->erase(it);
+        SetSchema(schema);
+
+        return;
+    }
+
+    Y_FAIL("unreachable");
+}
+
+bool TUserTable::HasAsyncIndexes() const {
+    return AsyncIndexCount > 0;
+}
+
 void TUserTable::AddCdcStream(const NKikimrSchemeOp::TCdcStreamDescription& streamDesc) {
-    Y_VERIFY(streamDesc.HasPathId()); 
-    const auto streamPathId = TPathId(streamDesc.GetPathId().GetOwnerId(), streamDesc.GetPathId().GetLocalId()); 
- 
-    if (CdcStreams.contains(streamPathId)) { 
-        return; 
-    } 
- 
-    CdcStreams.emplace(streamPathId, TCdcStream(streamDesc)); 
- 
+    Y_VERIFY(streamDesc.HasPathId());
+    const auto streamPathId = TPathId(streamDesc.GetPathId().GetOwnerId(), streamDesc.GetPathId().GetLocalId());
+
+    if (CdcStreams.contains(streamPathId)) {
+        return;
+    }
+
+    CdcStreams.emplace(streamPathId, TCdcStream(streamDesc));
+
     NKikimrSchemeOp::TTableDescription schema;
-    GetSchema(schema); 
- 
-    schema.MutableCdcStreams()->Add()->CopyFrom(streamDesc); 
-    SetSchema(schema); 
-} 
- 
-void TUserTable::DisableCdcStream(const TPathId& streamPathId) { 
-    auto it = CdcStreams.find(streamPathId); 
-    if (it == CdcStreams.end()) { 
-        return; 
-    } 
- 
-    it->second.State = TCdcStream::EState::ECdcStreamStateDisabled; 
- 
+    GetSchema(schema);
+
+    schema.MutableCdcStreams()->Add()->CopyFrom(streamDesc);
+    SetSchema(schema);
+}
+
+void TUserTable::DisableCdcStream(const TPathId& streamPathId) {
+    auto it = CdcStreams.find(streamPathId);
+    if (it == CdcStreams.end()) {
+        return;
+    }
+
+    it->second.State = TCdcStream::EState::ECdcStreamStateDisabled;
+
     NKikimrSchemeOp::TTableDescription schema;
-    GetSchema(schema); 
- 
-    for (auto it = schema.MutableCdcStreams()->begin(); it != schema.MutableCdcStreams()->end(); ++it) { 
-        if (streamPathId != TPathId(it->GetPathId().GetOwnerId(), it->GetPathId().GetLocalId())) { 
-            continue; 
-        } 
- 
-        it->SetState(TCdcStream::EState::ECdcStreamStateDisabled); 
-        SetSchema(schema); 
- 
-        return; 
-    } 
- 
-    Y_FAIL("unreachable"); 
-} 
- 
-void TUserTable::DropCdcStream(const TPathId& streamPathId) { 
-    auto it = CdcStreams.find(streamPathId); 
-    if (it == CdcStreams.end()) { 
-        return; 
-    } 
- 
-    CdcStreams.erase(it); 
- 
+    GetSchema(schema);
+
+    for (auto it = schema.MutableCdcStreams()->begin(); it != schema.MutableCdcStreams()->end(); ++it) {
+        if (streamPathId != TPathId(it->GetPathId().GetOwnerId(), it->GetPathId().GetLocalId())) {
+            continue;
+        }
+
+        it->SetState(TCdcStream::EState::ECdcStreamStateDisabled);
+        SetSchema(schema);
+
+        return;
+    }
+
+    Y_FAIL("unreachable");
+}
+
+void TUserTable::DropCdcStream(const TPathId& streamPathId) {
+    auto it = CdcStreams.find(streamPathId);
+    if (it == CdcStreams.end()) {
+        return;
+    }
+
+    CdcStreams.erase(it);
+
     NKikimrSchemeOp::TTableDescription schema;
-    GetSchema(schema); 
- 
-    for (auto it = schema.GetCdcStreams().begin(); it != schema.GetCdcStreams().end(); ++it) { 
-        if (streamPathId != TPathId(it->GetPathId().GetOwnerId(), it->GetPathId().GetLocalId())) { 
-            continue; 
-        } 
- 
-        schema.MutableCdcStreams()->erase(it); 
-        SetSchema(schema); 
- 
-        return; 
-    } 
- 
-    Y_FAIL("unreachable"); 
-} 
- 
-bool TUserTable::HasCdcStreams() const { 
-    return !CdcStreams.empty(); 
-} 
- 
+    GetSchema(schema);
+
+    for (auto it = schema.GetCdcStreams().begin(); it != schema.GetCdcStreams().end(); ++it) {
+        if (streamPathId != TPathId(it->GetPathId().GetOwnerId(), it->GetPathId().GetLocalId())) {
+            continue;
+        }
+
+        schema.MutableCdcStreams()->erase(it);
+        SetSchema(schema);
+
+        return;
+    }
+
+    Y_FAIL("unreachable");
+}
+
+bool TUserTable::HasCdcStreams() const {
+    return !CdcStreams.empty();
+}
+
 void TUserTable::ParseProto(const NKikimrSchemeOp::TTableDescription& descr)
 {
     // We expect schemeshard to send us full list of storage rooms
@@ -265,17 +265,17 @@ void TUserTable::ParseProto(const NKikimrSchemeOp::TTableDescription& descr)
     IsBackup = descr.GetIsBackup();
 
     CheckSpecialColumns();
- 
-    for (const auto& indexDesc : descr.GetTableIndexes()) { 
-        Y_VERIFY(indexDesc.HasPathOwnerId() && indexDesc.HasLocalPathId()); 
-        Indexes.emplace(TPathId(indexDesc.GetPathOwnerId(), indexDesc.GetLocalPathId()), TTableIndex(indexDesc, Columns)); 
-        AsyncIndexCount += ui32(indexDesc.GetType() == TTableIndex::EIndexType::EIndexTypeGlobalAsync); 
-    } 
- 
-    for (const auto& streamDesc : descr.GetCdcStreams()) { 
-        Y_VERIFY(streamDesc.HasPathId()); 
-        CdcStreams.emplace(TPathId(streamDesc.GetPathId().GetOwnerId(), streamDesc.GetPathId().GetLocalId()), TCdcStream(streamDesc)); 
-    } 
+
+    for (const auto& indexDesc : descr.GetTableIndexes()) {
+        Y_VERIFY(indexDesc.HasPathOwnerId() && indexDesc.HasLocalPathId());
+        Indexes.emplace(TPathId(indexDesc.GetPathOwnerId(), indexDesc.GetLocalPathId()), TTableIndex(indexDesc, Columns));
+        AsyncIndexCount += ui32(indexDesc.GetType() == TTableIndex::EIndexType::EIndexTypeGlobalAsync);
+    }
+
+    for (const auto& streamDesc : descr.GetCdcStreams()) {
+        Y_VERIFY(streamDesc.HasPathId());
+        CdcStreams.emplace(TPathId(streamDesc.GetPathId().GetOwnerId(), streamDesc.GetPathId().GetLocalId()), TCdcStream(streamDesc));
+    }
 }
 
 void TUserTable::CheckSpecialColumns() {
diff --git a/ydb/core/tx/datashard/datashard_user_table.h b/ydb/core/tx/datashard/datashard_user_table.h
index 46796628a5..0dab30cb84 100644
--- a/ydb/core/tx/datashard/datashard_user_table.h
+++ b/ydb/core/tx/datashard/datashard_user_table.h
@@ -7,7 +7,7 @@
 #include <ydb/core/tablet_flat/flat_stat_table.h>
 
 #include <util/generic/ptr.h>
-#include <util/generic/hash.h> 
+#include <util/generic/hash.h>
 
 namespace NKikimr {
 
@@ -248,58 +248,58 @@ struct TUserTable : public TThrRefBase {
         {}
     };
 
-    struct TTableIndex { 
+    struct TTableIndex {
         using EIndexType = NKikimrSchemeOp::EIndexType;
- 
-        TString Name; 
-        EIndexType Type; 
-        TVector<ui32> KeyColumnIds; 
-        TVector<ui32> DataColumnIds; 
- 
-        TTableIndex() = default; 
- 
+
+        TString Name;
+        EIndexType Type;
+        TVector<ui32> KeyColumnIds;
+        TVector<ui32> DataColumnIds;
+
+        TTableIndex() = default;
+
         TTableIndex(const NKikimrSchemeOp::TIndexDescription& indexDesc, const TMap<ui32, TUserColumn>& columns)
-            : Name(indexDesc.GetName()) 
-            , Type(indexDesc.GetType()) 
-        { 
-            THashMap<TStringBuf, ui32> nameToId; 
-            for (const auto& [id, column] : columns) { 
-                Y_VERIFY_DEBUG(!nameToId.contains(column.Name)); 
-                nameToId.emplace(column.Name, id); 
-            } 
- 
-            auto fillColumnIds = [&nameToId](const auto& columnNames, TVector<ui32>& columnIds) { 
-                columnIds.reserve(columnNames.size()); 
-                for (const auto& columnName : columnNames) { 
-                    auto it = nameToId.find(columnName); 
-                    Y_VERIFY(it != nameToId.end()); 
-                    columnIds.push_back(it->second); 
-                } 
-            }; 
- 
-            fillColumnIds(indexDesc.GetKeyColumnNames(),  KeyColumnIds); 
-            fillColumnIds(indexDesc.GetDataColumnNames(), DataColumnIds); 
+            : Name(indexDesc.GetName())
+            , Type(indexDesc.GetType())
+        {
+            THashMap<TStringBuf, ui32> nameToId;
+            for (const auto& [id, column] : columns) {
+                Y_VERIFY_DEBUG(!nameToId.contains(column.Name));
+                nameToId.emplace(column.Name, id);
+            }
+
+            auto fillColumnIds = [&nameToId](const auto& columnNames, TVector<ui32>& columnIds) {
+                columnIds.reserve(columnNames.size());
+                for (const auto& columnName : columnNames) {
+                    auto it = nameToId.find(columnName);
+                    Y_VERIFY(it != nameToId.end());
+                    columnIds.push_back(it->second);
+                }
+            };
+
+            fillColumnIds(indexDesc.GetKeyColumnNames(),  KeyColumnIds);
+            fillColumnIds(indexDesc.GetDataColumnNames(), DataColumnIds);
         }
-    }; 
- 
-    struct TCdcStream { 
+    };
+
+    struct TCdcStream {
         using EMode = NKikimrSchemeOp::ECdcStreamMode;
         using EState = NKikimrSchemeOp::ECdcStreamState;
- 
-        TString Name; 
-        EMode Mode; 
-        EState State; 
- 
-        TCdcStream() = default; 
- 
+
+        TString Name;
+        EMode Mode;
+        EState State;
+
+        TCdcStream() = default;
+
         TCdcStream(const NKikimrSchemeOp::TCdcStreamDescription& streamDesc)
-            : Name(streamDesc.GetName()) 
-            , Mode(streamDesc.GetMode()) 
-            , State(streamDesc.GetState()) 
-        { 
-        } 
-    }; 
- 
+            : Name(streamDesc.GetName())
+            , Mode(streamDesc.GetMode())
+            , State(streamDesc.GetState())
+        {
+        }
+    };
+
     struct TStats {
         NTable::TStats DataStats;
         ui64 IndexSize = 0;
@@ -353,10 +353,10 @@ struct TUserTable : public TThrRefBase {
     TVector<ui32> KeyColumnIds;
     TSerializedTableRange Range;
     bool IsBackup = false;
- 
-    TMap<TPathId, TTableIndex> Indexes; 
-    TMap<TPathId, TCdcStream> CdcStreams; 
-    ui32 AsyncIndexCount = 0; 
+
+    TMap<TPathId, TTableIndex> Indexes;
+    TMap<TPathId, TCdcStream> CdcStreams;
+    ui32 AsyncIndexCount = 0;
 
     // Tablet thread access only, updated in-place
     mutable TStats Stats;
@@ -400,14 +400,14 @@ struct TUserTable : public TThrRefBase {
     bool ResetTableSchemaVersion();
 
     void AddIndex(const NKikimrSchemeOp::TIndexDescription& indexDesc);
-    void DropIndex(const TPathId& indexPathId); 
-    bool HasAsyncIndexes() const; 
- 
+    void DropIndex(const TPathId& indexPathId);
+    bool HasAsyncIndexes() const;
+
     void AddCdcStream(const NKikimrSchemeOp::TCdcStreamDescription& streamDesc);
-    void DisableCdcStream(const TPathId& streamPathId); 
-    void DropCdcStream(const TPathId& streamPathId); 
-    bool HasCdcStreams() const; 
- 
+    void DisableCdcStream(const TPathId& streamPathId);
+    void DropCdcStream(const TPathId& streamPathId);
+    bool HasCdcStreams() const;
+
 private:
     void DoApplyCreate(NTabletFlatExecutor::TTransactionContext& txc, const TString& tableName, bool shadow,
             const NKikimrSchemeOp::TPartitionConfig& partConfig) const;
diff --git a/ydb/core/tx/datashard/datashard_ut_change_collector.cpp b/ydb/core/tx/datashard/datashard_ut_change_collector.cpp
index 4a6213dde4..cdce49ecdb 100644
--- a/ydb/core/tx/datashard/datashard_ut_change_collector.cpp
+++ b/ydb/core/tx/datashard/datashard_ut_change_collector.cpp
@@ -1,774 +1,774 @@
-#include "change_record.h" 
-#include "datashard_ut_common.h" 
- 
+#include "change_record.h"
+#include "datashard_ut_common.h"
+
 #include <ydb/core/protos/change_exchange.pb.h>
 #include <ydb/core/scheme/scheme_tablecell.h>
 #include <ydb/core/tx/scheme_cache/scheme_cache.h>
 #include <ydb/public/lib/deprecated/kicli/kicli.h>
- 
-namespace NKikimr { 
- 
+
+namespace NKikimr {
+
 using namespace NDataShard;
-using namespace Tests; 
- 
-namespace { 
- 
-auto GetValueFromLocalDb(TTestActorRuntime& runtime, const TActorId& sender, ui64 tabletId, const TString& query) { 
-    auto request = MakeHolder<TEvTablet::TEvLocalMKQL>(); 
-    request->Record.MutableProgram()->MutableProgram()->SetText(query); 
-    runtime.SendToPipe(tabletId, sender, request.Release(), 0, GetPipeConfigWithRetries()); 
- 
-    TAutoPtr<IEventHandle> handle; 
-    auto response = runtime.GrabEdgeEventRethrow<TEvTablet::TEvLocalMKQLResponse>(handle); 
-    UNIT_ASSERT_VALUES_EQUAL(response->Record.GetStatus(), NKikimrProto::OK); 
- 
-    return response->Record.GetExecutionEngineEvaluatedResponse(); 
-} 
- 
-auto GetChangeRecords(TTestActorRuntime& runtime, const TActorId& sender, ui64 tabletId) { 
-    auto protoValue = GetValueFromLocalDb(runtime, sender, tabletId, R"(( 
-        (let range '( '('Order (Uint64 '0) (Void) ))) 
-        (let columns '('Order 'Group 'PlanStep 'TxId 'PathOwnerId 'LocalPathId) ) 
-        (let result (SelectRange 'ChangeRecords range columns '())) 
-        (return (AsList (SetResult 'Result result) )) 
-    ))"); 
-    auto value = NClient::TValue::Create(protoValue); 
-    const auto& result = value["Result"]["List"]; 
- 
-    TVector<std::tuple<ui64, ui64, ui64, ui64, TPathId>> records; 
-    for (size_t i = 0; i < result.Size(); ++i) { 
-        const auto& item = result[i]; 
-        records.emplace_back( 
-            item["Order"], 
-            item["Group"], 
-            item["PlanStep"], 
-            item["TxId"], 
-            TPathId(item["PathOwnerId"], item["LocalPathId"]) 
-        ); 
-    } 
- 
-    return records; 
-} 
- 
-auto GetChangeRecordDetails(TTestActorRuntime& runtime, const TActorId& sender, ui64 tabletId) { 
-    auto protoValue = GetValueFromLocalDb(runtime, sender, tabletId, R"(( 
-        (let range '( '('Order (Uint64 '0) (Void) ))) 
-        (let columns '('Order 'Kind 'Body) ) 
-        (let result (SelectRange 'ChangeRecordDetails range columns '())) 
-        (return (AsList (SetResult 'Result result) )) 
-    ))"); 
-    auto value = NClient::TValue::Create(protoValue); 
-    const auto& result = value["Result"]["List"]; 
- 
-    TVector<std::tuple<ui64, TChangeRecord::EKind, TString>> records; 
-    for (size_t i = 0; i < result.Size(); ++i) { 
-        const auto& item = result[i]; 
-        records.emplace_back( 
-            item["Order"], 
-            static_cast<TChangeRecord::EKind>(ui8(item["Kind"])), 
-            item["Body"] 
-        ); 
-    } 
- 
-    return records; 
-} 
- 
-auto GetChangeRecordsWithDetails(TTestActorRuntime& runtime, const TActorId& sender, ui64 tabletId) { 
-    const auto records = GetChangeRecords(runtime, sender, tabletId); 
-    const auto details = GetChangeRecordDetails(runtime, sender, tabletId); 
-    UNIT_ASSERT_VALUES_EQUAL(records.size(), details.size()); 
- 
-    THashMap<TPathId, TVector<TChangeRecord>> result; 
-    for (size_t i = 0; i < records.size(); ++i) { 
-        const auto& record = records.at(i); 
-        const auto& detail = details.at(i); 
-        UNIT_ASSERT_VALUES_EQUAL(std::get<0>(record), std::get<0>(detail)); 
- 
-        const auto& pathId = std::get<4>(record); 
-        auto it = result.find(pathId); 
-        if (it == result.end()) { 
-            it = result.emplace(pathId, TVector<TChangeRecord>()).first; 
-        } 
- 
-        it->second.push_back( 
-            TChangeRecordBuilder(std::get<1>(detail)) 
-                .WithOrder(std::get<0>(record)) 
-                .WithGroup(std::get<1>(record)) 
-                .WithStep(std::get<2>(record)) 
-                .WithTxId(std::get<3>(record)) 
-                .WithBody(std::get<2>(detail)) 
-                .Build() 
-        ); 
-    } 
- 
-    return result; 
-} 
- 
-THolder<NSchemeCache::TSchemeCacheNavigate> Navigate(TTestActorRuntime& runtime, const TActorId& sender, const TString& path) { 
-    using TNavigate = NSchemeCache::TSchemeCacheNavigate; 
-    using TEvRequest = TEvTxProxySchemeCache::TEvNavigateKeySet; 
-    using TEvResponse = TEvTxProxySchemeCache::TEvNavigateKeySetResult; 
- 
-    auto request = MakeHolder<TNavigate>(); 
-    auto& entry = request->ResultSet.emplace_back(); 
-    entry.Path = SplitPath(path); 
-    entry.RequestType = TNavigate::TEntry::ERequestType::ByPath; 
-    entry.Operation = TNavigate::EOp::OpTable; 
-    entry.ShowPrivatePath = true; 
-    runtime.Send(new IEventHandle(MakeSchemeCacheID(), sender, new TEvRequest(request.Release()))); 
- 
-    auto ev = runtime.GrabEdgeEventRethrow<TEvResponse>(sender); 
-    UNIT_ASSERT(ev); 
-    UNIT_ASSERT(ev->Get()); 
- 
-    auto* response = ev->Get()->Request.Release(); 
-    UNIT_ASSERT(response); 
-    UNIT_ASSERT(response->ErrorCount == 0); 
-    UNIT_ASSERT_VALUES_EQUAL(response->ResultSet.size(), 1); 
- 
+using namespace Tests;
+
+namespace {
+
+auto GetValueFromLocalDb(TTestActorRuntime& runtime, const TActorId& sender, ui64 tabletId, const TString& query) {
+    auto request = MakeHolder<TEvTablet::TEvLocalMKQL>();
+    request->Record.MutableProgram()->MutableProgram()->SetText(query);
+    runtime.SendToPipe(tabletId, sender, request.Release(), 0, GetPipeConfigWithRetries());
+
+    TAutoPtr<IEventHandle> handle;
+    auto response = runtime.GrabEdgeEventRethrow<TEvTablet::TEvLocalMKQLResponse>(handle);
+    UNIT_ASSERT_VALUES_EQUAL(response->Record.GetStatus(), NKikimrProto::OK);
+
+    return response->Record.GetExecutionEngineEvaluatedResponse();
+}
+
+auto GetChangeRecords(TTestActorRuntime& runtime, const TActorId& sender, ui64 tabletId) {
+    auto protoValue = GetValueFromLocalDb(runtime, sender, tabletId, R"((
+        (let range '( '('Order (Uint64 '0) (Void) )))
+        (let columns '('Order 'Group 'PlanStep 'TxId 'PathOwnerId 'LocalPathId) )
+        (let result (SelectRange 'ChangeRecords range columns '()))
+        (return (AsList (SetResult 'Result result) ))
+    ))");
+    auto value = NClient::TValue::Create(protoValue);
+    const auto& result = value["Result"]["List"];
+
+    TVector<std::tuple<ui64, ui64, ui64, ui64, TPathId>> records;
+    for (size_t i = 0; i < result.Size(); ++i) {
+        const auto& item = result[i];
+        records.emplace_back(
+            item["Order"],
+            item["Group"],
+            item["PlanStep"],
+            item["TxId"],
+            TPathId(item["PathOwnerId"], item["LocalPathId"])
+        );
+    }
+
+    return records;
+}
+
+auto GetChangeRecordDetails(TTestActorRuntime& runtime, const TActorId& sender, ui64 tabletId) {
+    auto protoValue = GetValueFromLocalDb(runtime, sender, tabletId, R"((
+        (let range '( '('Order (Uint64 '0) (Void) )))
+        (let columns '('Order 'Kind 'Body) )
+        (let result (SelectRange 'ChangeRecordDetails range columns '()))
+        (return (AsList (SetResult 'Result result) ))
+    ))");
+    auto value = NClient::TValue::Create(protoValue);
+    const auto& result = value["Result"]["List"];
+
+    TVector<std::tuple<ui64, TChangeRecord::EKind, TString>> records;
+    for (size_t i = 0; i < result.Size(); ++i) {
+        const auto& item = result[i];
+        records.emplace_back(
+            item["Order"],
+            static_cast<TChangeRecord::EKind>(ui8(item["Kind"])),
+            item["Body"]
+        );
+    }
+
+    return records;
+}
+
+auto GetChangeRecordsWithDetails(TTestActorRuntime& runtime, const TActorId& sender, ui64 tabletId) {
+    const auto records = GetChangeRecords(runtime, sender, tabletId);
+    const auto details = GetChangeRecordDetails(runtime, sender, tabletId);
+    UNIT_ASSERT_VALUES_EQUAL(records.size(), details.size());
+
+    THashMap<TPathId, TVector<TChangeRecord>> result;
+    for (size_t i = 0; i < records.size(); ++i) {
+        const auto& record = records.at(i);
+        const auto& detail = details.at(i);
+        UNIT_ASSERT_VALUES_EQUAL(std::get<0>(record), std::get<0>(detail));
+
+        const auto& pathId = std::get<4>(record);
+        auto it = result.find(pathId);
+        if (it == result.end()) {
+            it = result.emplace(pathId, TVector<TChangeRecord>()).first;
+        }
+
+        it->second.push_back(
+            TChangeRecordBuilder(std::get<1>(detail))
+                .WithOrder(std::get<0>(record))
+                .WithGroup(std::get<1>(record))
+                .WithStep(std::get<2>(record))
+                .WithTxId(std::get<3>(record))
+                .WithBody(std::get<2>(detail))
+                .Build()
+        );
+    }
+
+    return result;
+}
+
+THolder<NSchemeCache::TSchemeCacheNavigate> Navigate(TTestActorRuntime& runtime, const TActorId& sender, const TString& path) {
+    using TNavigate = NSchemeCache::TSchemeCacheNavigate;
+    using TEvRequest = TEvTxProxySchemeCache::TEvNavigateKeySet;
+    using TEvResponse = TEvTxProxySchemeCache::TEvNavigateKeySetResult;
+
+    auto request = MakeHolder<TNavigate>();
+    auto& entry = request->ResultSet.emplace_back();
+    entry.Path = SplitPath(path);
+    entry.RequestType = TNavigate::TEntry::ERequestType::ByPath;
+    entry.Operation = TNavigate::EOp::OpTable;
+    entry.ShowPrivatePath = true;
+    runtime.Send(new IEventHandle(MakeSchemeCacheID(), sender, new TEvRequest(request.Release())));
+
+    auto ev = runtime.GrabEdgeEventRethrow<TEvResponse>(sender);
+    UNIT_ASSERT(ev);
+    UNIT_ASSERT(ev->Get());
+
+    auto* response = ev->Get()->Request.Release();
+    UNIT_ASSERT(response);
+    UNIT_ASSERT(response->ErrorCount == 0);
+    UNIT_ASSERT_VALUES_EQUAL(response->ResultSet.size(), 1);
+
     return THolder(response);
-} 
- 
-using TStructKey = TVector<std::pair<TString, ui32>>; 
-using TStructValue = THashMap<TString, ui32>; 
-constexpr ui32 Null = 0; 
- 
-template <typename C> 
-static void OutKvContainer(IOutputStream& out, const C& c) { 
-    out << "{"; 
-    for (const auto& [k, v] : c) { 
-        out << " (" << k << ": "; 
-        if (v == Null) { 
-            out << "null"; 
-        } else { 
-            out << v; 
-        } 
-        out << ")"; 
-    } 
-    out << " }"; 
-} 
- 
-struct TStructRecord { 
+}
+
+using TStructKey = TVector<std::pair<TString, ui32>>;
+using TStructValue = THashMap<TString, ui32>;
+constexpr ui32 Null = 0;
+
+template <typename C>
+static void OutKvContainer(IOutputStream& out, const C& c) {
+    out << "{";
+    for (const auto& [k, v] : c) {
+        out << " (" << k << ": ";
+        if (v == Null) {
+            out << "null";
+        } else {
+            out << v;
+        }
+        out << ")";
+    }
+    out << " }";
+}
+
+struct TStructRecord {
     NTable::ERowOp Rop;
-    TStructKey Key; 
-    TStructValue Update; 
-    TStructValue OldImage; 
-    TStructValue NewImage; 
- 
-    TStructRecord() = default; 
- 
+    TStructKey Key;
+    TStructValue Update;
+    TStructValue OldImage;
+    TStructValue NewImage;
+
+    TStructRecord() = default;
+
     TStructRecord(NTable::ERowOp rop, const TStructKey& key,
-            const TStructValue& update = {}, 
-            const TStructValue& oldImage = {}, 
-            const TStructValue& newImage = {}) 
-        : Rop(rop) 
-        , Key(key) 
-        , Update(update) 
-        , OldImage(oldImage) 
-        , NewImage(newImage) 
-    { 
-    } 
- 
-    bool operator==(const TStructRecord& rhs) const { 
-        return Rop == rhs.Rop 
-            && Key == rhs.Key 
-            && Update == rhs.Update 
-            && OldImage == rhs.OldImage 
-            && NewImage == rhs.NewImage; 
-    } 
- 
-    void Out(IOutputStream& out) const { 
-        out << "{" 
-            << " Rop: " << Rop 
-            << " Key: " << Key 
-            << " Update: " << Update 
-            << " OldImage: " << OldImage 
-            << " NewImage: " << NewImage 
-        << " }"; 
-    } 
- 
-    static TStructRecord Parse(const NKikimrChangeExchange::TChangeRecord::TDataChange& proto, 
-            const THashMap<NTable::TTag, TString>& tagToName) 
-    { 
-        TStructRecord record; 
- 
-        Parse(proto.GetKey(), tagToName, [&record](const TString& name, ui32 value) { 
-            record.Key.emplace_back(name, value); 
-        }); 
- 
-        switch (proto.GetRowOperationCase()) { 
-        case NKikimrChangeExchange::TChangeRecord::TDataChange::kUpsert: 
+            const TStructValue& update = {},
+            const TStructValue& oldImage = {},
+            const TStructValue& newImage = {})
+        : Rop(rop)
+        , Key(key)
+        , Update(update)
+        , OldImage(oldImage)
+        , NewImage(newImage)
+    {
+    }
+
+    bool operator==(const TStructRecord& rhs) const {
+        return Rop == rhs.Rop
+            && Key == rhs.Key
+            && Update == rhs.Update
+            && OldImage == rhs.OldImage
+            && NewImage == rhs.NewImage;
+    }
+
+    void Out(IOutputStream& out) const {
+        out << "{"
+            << " Rop: " << Rop
+            << " Key: " << Key
+            << " Update: " << Update
+            << " OldImage: " << OldImage
+            << " NewImage: " << NewImage
+        << " }";
+    }
+
+    static TStructRecord Parse(const NKikimrChangeExchange::TChangeRecord::TDataChange& proto,
+            const THashMap<NTable::TTag, TString>& tagToName)
+    {
+        TStructRecord record;
+
+        Parse(proto.GetKey(), tagToName, [&record](const TString& name, ui32 value) {
+            record.Key.emplace_back(name, value);
+        });
+
+        switch (proto.GetRowOperationCase()) {
+        case NKikimrChangeExchange::TChangeRecord::TDataChange::kUpsert:
             record.Rop = NTable::ERowOp::Upsert;
-            Parse(proto.GetUpsert(), tagToName, [&record](const TString& name, ui32 value) { 
-                record.Update.emplace(name, value); 
-            }); 
-            break; 
-        case NKikimrChangeExchange::TChangeRecord::TDataChange::kErase: 
+            Parse(proto.GetUpsert(), tagToName, [&record](const TString& name, ui32 value) {
+                record.Update.emplace(name, value);
+            });
+            break;
+        case NKikimrChangeExchange::TChangeRecord::TDataChange::kErase:
             record.Rop = NTable::ERowOp::Erase;
-            break; 
-        default: 
+            break;
+        default:
             record.Rop = NTable::ERowOp::Absent;
-            break; 
-        } 
- 
-        if (proto.HasOldImage()) { 
-            Parse(proto.GetOldImage(), tagToName, [&record](const TString& name, ui32 value) { 
-                record.OldImage.emplace(name, value); 
-            }); 
-        } 
- 
-        if (proto.HasNewImage()) { 
-            Parse(proto.GetNewImage(), tagToName, [&record](const TString& name, ui32 value) { 
-                record.NewImage.emplace(name, value); 
-            }); 
-        } 
- 
-        return record; 
-    } 
- 
-    static TStructRecord Parse(const TString& serializedProto, const THashMap<NTable::TTag, TString>& tagToName) { 
-        NKikimrChangeExchange::TChangeRecord::TDataChange proto; 
+            break;
+        }
+
+        if (proto.HasOldImage()) {
+            Parse(proto.GetOldImage(), tagToName, [&record](const TString& name, ui32 value) {
+                record.OldImage.emplace(name, value);
+            });
+        }
+
+        if (proto.HasNewImage()) {
+            Parse(proto.GetNewImage(), tagToName, [&record](const TString& name, ui32 value) {
+                record.NewImage.emplace(name, value);
+            });
+        }
+
+        return record;
+    }
+
+    static TStructRecord Parse(const TString& serializedProto, const THashMap<NTable::TTag, TString>& tagToName) {
+        NKikimrChangeExchange::TChangeRecord::TDataChange proto;
         Y_PROTOBUF_SUPPRESS_NODISCARD proto.ParseFromArray(serializedProto.data(), serializedProto.size());
-        return Parse(proto, tagToName); 
-    } 
- 
-private: 
-    using TInserter = std::function<void(const TString&, ui32)>; 
- 
-    static void Parse(const NKikimrChangeExchange::TChangeRecord::TDataChange::TSerializedCells& proto, 
-            const THashMap<NTable::TTag, TString>& tagToName, TInserter inserter) 
-    { 
-        TSerializedCellVec serialized; 
-        UNIT_ASSERT(TSerializedCellVec::TryParse(proto.GetData(), serialized)); 
- 
-        const auto& cells = serialized.GetCells(); 
-        UNIT_ASSERT_VALUES_EQUAL(cells.size(), proto.TagsSize()); 
- 
-        for (ui32 i = 0; i < proto.TagsSize(); ++i) { 
-            const auto tag = proto.GetTags(i); 
-            if (!tagToName.contains(tag)) { 
-                continue; 
-            } 
- 
-            const auto& name = tagToName.at(tag); 
-            const auto& cell = cells.at(i); 
- 
-            if (cell.IsNull()) { 
-                inserter(name, Null); 
-            } else { 
-                inserter(name, cell.AsValue<ui32>()); 
-            } 
-        } 
-    } 
-}; 
- 
-using TStructRecords = THashMap<TString, TVector<TStructRecord>>; 
- 
-} // anonymous 
- 
-Y_UNIT_TEST_SUITE(AsyncIndexChangeCollector) { 
-    void Run(const TString& path, const TShardedTableOptions& opts, const TVector<TString>& queries, const TStructRecords& expectedRecords) { 
-        const auto pathParts = SplitPath(path); 
-        UNIT_ASSERT(pathParts.size() > 1); 
- 
-        const auto domainName = pathParts.at(0); 
-        const auto workingDir = CombinePath(pathParts.begin(), pathParts.begin() + pathParts.size() - 1); 
-        const auto tableName = pathParts.at(pathParts.size() - 1); 
- 
-        TPortManager pm; 
-        TServerSettings serverSettings(pm.GetPort(2134)); 
-        serverSettings 
-            .SetDomainName(domainName) 
-            .SetUseRealThreads(false) 
-            .SetEnableDataColumnForIndexTable(true) 
-            .SetEnableAsyncIndexes(true); 
- 
-        TServer::TPtr server = new TServer(serverSettings); 
-        auto& runtime = *server->GetRuntime(); 
-        const TActorId sender = runtime.AllocateEdgeActor(); 
- 
-        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG); 
-        InitRoot(server, sender); 
- 
-        // prevent change sending 
-        runtime.SetObserverFunc([&](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) { 
-            switch (ev->GetTypeRewrite()) { 
-            case TEvChangeExchange::TEvActivateSender::EventType: 
-                return TTestActorRuntime::EEventAction::DROP; 
-            default: 
-                return TTestActorRuntime::EEventAction::PROCESS; 
-            } 
-        }); 
- 
-        CreateShardedTable(server, sender, workingDir, tableName, opts); 
-        for (const auto& query : queries) { 
-            ExecSQL(server, sender, query); 
-        } 
- 
-        auto desc = Navigate(runtime, sender, path); 
-        const auto& entry = desc->ResultSet.at(0); 
- 
-        THashMap<NTable::TTag, TString> tagToName; 
-        for (const auto& [tag, column] : entry.Columns) { 
-            tagToName.emplace(tag, column.Name); 
-        } 
- 
-        THashMap<TPathId, TString> indexPathIdToName; 
-        for (const auto& index : entry.Indexes) { 
-            const auto& name = index.GetName(); 
-            const auto pathId = TPathId(index.GetPathOwnerId(), index.GetLocalPathId()); 
-            indexPathIdToName.emplace(pathId, name); 
-        } 
- 
-        const auto tabletIds = GetTableShards(server, sender, path); 
-        UNIT_ASSERT_VALUES_EQUAL(tabletIds.size(), 1); 
- 
-        for (const auto& [pathId, actual] : GetChangeRecordsWithDetails(runtime, sender, tabletIds[0])) { 
-            UNIT_ASSERT(indexPathIdToName.contains(pathId)); 
-            const auto& name = indexPathIdToName.at(pathId); 
- 
-            UNIT_ASSERT(expectedRecords.contains(name)); 
-            const auto& expected = expectedRecords.at(name); 
- 
-            UNIT_ASSERT_VALUES_EQUAL(expected.size(), actual.size()); 
-            for (size_t i = 0; i < expected.size(); ++i) { 
-                UNIT_ASSERT_VALUES_EQUAL(expected.at(i), TStructRecord::Parse(actual.at(i).GetBody(), tagToName)); 
-            } 
-        } 
-    } 
- 
-    void Run(const TString& path, const TShardedTableOptions& opts, const TString& query, const TStructRecords& expectedRecords) { 
-        Run(path, opts, TVector<TString>(1, query), expectedRecords); 
-    } 
- 
-    TShardedTableOptions SimpleTable() { 
-        return TShardedTableOptions() 
-            .Columns({ 
+        return Parse(proto, tagToName);
+    }
+
+private:
+    using TInserter = std::function<void(const TString&, ui32)>;
+
+    static void Parse(const NKikimrChangeExchange::TChangeRecord::TDataChange::TSerializedCells& proto,
+            const THashMap<NTable::TTag, TString>& tagToName, TInserter inserter)
+    {
+        TSerializedCellVec serialized;
+        UNIT_ASSERT(TSerializedCellVec::TryParse(proto.GetData(), serialized));
+
+        const auto& cells = serialized.GetCells();
+        UNIT_ASSERT_VALUES_EQUAL(cells.size(), proto.TagsSize());
+
+        for (ui32 i = 0; i < proto.TagsSize(); ++i) {
+            const auto tag = proto.GetTags(i);
+            if (!tagToName.contains(tag)) {
+                continue;
+            }
+
+            const auto& name = tagToName.at(tag);
+            const auto& cell = cells.at(i);
+
+            if (cell.IsNull()) {
+                inserter(name, Null);
+            } else {
+                inserter(name, cell.AsValue<ui32>());
+            }
+        }
+    }
+};
+
+using TStructRecords = THashMap<TString, TVector<TStructRecord>>;
+
+} // anonymous
+
+Y_UNIT_TEST_SUITE(AsyncIndexChangeCollector) {
+    void Run(const TString& path, const TShardedTableOptions& opts, const TVector<TString>& queries, const TStructRecords& expectedRecords) {
+        const auto pathParts = SplitPath(path);
+        UNIT_ASSERT(pathParts.size() > 1);
+
+        const auto domainName = pathParts.at(0);
+        const auto workingDir = CombinePath(pathParts.begin(), pathParts.begin() + pathParts.size() - 1);
+        const auto tableName = pathParts.at(pathParts.size() - 1);
+
+        TPortManager pm;
+        TServerSettings serverSettings(pm.GetPort(2134));
+        serverSettings
+            .SetDomainName(domainName)
+            .SetUseRealThreads(false)
+            .SetEnableDataColumnForIndexTable(true)
+            .SetEnableAsyncIndexes(true);
+
+        TServer::TPtr server = new TServer(serverSettings);
+        auto& runtime = *server->GetRuntime();
+        const TActorId sender = runtime.AllocateEdgeActor();
+
+        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG);
+        InitRoot(server, sender);
+
+        // prevent change sending
+        runtime.SetObserverFunc([&](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) {
+            switch (ev->GetTypeRewrite()) {
+            case TEvChangeExchange::TEvActivateSender::EventType:
+                return TTestActorRuntime::EEventAction::DROP;
+            default:
+                return TTestActorRuntime::EEventAction::PROCESS;
+            }
+        });
+
+        CreateShardedTable(server, sender, workingDir, tableName, opts);
+        for (const auto& query : queries) {
+            ExecSQL(server, sender, query);
+        }
+
+        auto desc = Navigate(runtime, sender, path);
+        const auto& entry = desc->ResultSet.at(0);
+
+        THashMap<NTable::TTag, TString> tagToName;
+        for (const auto& [tag, column] : entry.Columns) {
+            tagToName.emplace(tag, column.Name);
+        }
+
+        THashMap<TPathId, TString> indexPathIdToName;
+        for (const auto& index : entry.Indexes) {
+            const auto& name = index.GetName();
+            const auto pathId = TPathId(index.GetPathOwnerId(), index.GetLocalPathId());
+            indexPathIdToName.emplace(pathId, name);
+        }
+
+        const auto tabletIds = GetTableShards(server, sender, path);
+        UNIT_ASSERT_VALUES_EQUAL(tabletIds.size(), 1);
+
+        for (const auto& [pathId, actual] : GetChangeRecordsWithDetails(runtime, sender, tabletIds[0])) {
+            UNIT_ASSERT(indexPathIdToName.contains(pathId));
+            const auto& name = indexPathIdToName.at(pathId);
+
+            UNIT_ASSERT(expectedRecords.contains(name));
+            const auto& expected = expectedRecords.at(name);
+
+            UNIT_ASSERT_VALUES_EQUAL(expected.size(), actual.size());
+            for (size_t i = 0; i < expected.size(); ++i) {
+                UNIT_ASSERT_VALUES_EQUAL(expected.at(i), TStructRecord::Parse(actual.at(i).GetBody(), tagToName));
+            }
+        }
+    }
+
+    void Run(const TString& path, const TShardedTableOptions& opts, const TString& query, const TStructRecords& expectedRecords) {
+        Run(path, opts, TVector<TString>(1, query), expectedRecords);
+    }
+
+    TShardedTableOptions SimpleTable() {
+        return TShardedTableOptions()
+            .Columns({
                 {"pkey", "Uint32", true, false},
                 {"ikey", "Uint32", false, false},
-            }) 
-            .Indexes({ 
+            })
+            .Indexes({
                 {"by_ikey", {"ikey"}, {}, NKikimrSchemeOp::EIndexTypeGlobalAsync},
-            }); 
-    } 
- 
-    Y_UNIT_TEST(InsertSingleRow) { 
-        Run("/Root/path", SimpleTable(), "INSERT INTO `/Root/path` (pkey, ikey) VALUES (1, 10);", { 
+            });
+    }
+
+    Y_UNIT_TEST(InsertSingleRow) {
+        Run("/Root/path", SimpleTable(), "INSERT INTO `/Root/path` (pkey, ikey) VALUES (1, 10);", {
             {"by_ikey", {TStructRecord(NTable::ERowOp::Upsert, {{"ikey", 10}, {"pkey", 1}})}},
-        }); 
-    } 
- 
-    Y_UNIT_TEST(InsertManyRows) { 
-        Run("/Root/path", SimpleTable(), "INSERT INTO `/Root/path` (pkey, ikey) VALUES (1, 10), (2, 20);", { 
-            {"by_ikey", { 
+        });
+    }
+
+    Y_UNIT_TEST(InsertManyRows) {
+        Run("/Root/path", SimpleTable(), "INSERT INTO `/Root/path` (pkey, ikey) VALUES (1, 10), (2, 20);", {
+            {"by_ikey", {
                 TStructRecord(NTable::ERowOp::Upsert, {{"ikey", 10}, {"pkey", 1}}),
                 TStructRecord(NTable::ERowOp::Upsert, {{"ikey", 20}, {"pkey", 2}}),
-            }}, 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(UpsertSingleRow) { 
-        Run("/Root/path", SimpleTable(), "UPSERT INTO `/Root/path` (pkey, ikey) VALUES (1, 10);", { 
+            }},
+        });
+    }
+
+    Y_UNIT_TEST(UpsertSingleRow) {
+        Run("/Root/path", SimpleTable(), "UPSERT INTO `/Root/path` (pkey, ikey) VALUES (1, 10);", {
             {"by_ikey", {TStructRecord(NTable::ERowOp::Upsert, {{"ikey", 10}, {"pkey", 1}})}},
-        }); 
-    } 
- 
-    Y_UNIT_TEST(UpsertManyRows) { 
-        Run("/Root/path", SimpleTable(), "UPSERT INTO `/Root/path` (pkey, ikey) VALUES (1, 10), (2, 20);", { 
-            {"by_ikey", { 
+        });
+    }
+
+    Y_UNIT_TEST(UpsertManyRows) {
+        Run("/Root/path", SimpleTable(), "UPSERT INTO `/Root/path` (pkey, ikey) VALUES (1, 10), (2, 20);", {
+            {"by_ikey", {
                 TStructRecord(NTable::ERowOp::Upsert, {{"ikey", 10}, {"pkey", 1}}),
                 TStructRecord(NTable::ERowOp::Upsert, {{"ikey", 20}, {"pkey", 2}}),
-            }}, 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(UpsertToSameKey) { 
-        Run("/Root/path", SimpleTable(), "UPSERT INTO `/Root/path` (pkey, ikey) VALUES (1, 10), (1, 20);", { 
-            {"by_ikey", { 
+            }},
+        });
+    }
+
+    Y_UNIT_TEST(UpsertToSameKey) {
+        Run("/Root/path", SimpleTable(), "UPSERT INTO `/Root/path` (pkey, ikey) VALUES (1, 10), (1, 20);", {
+            {"by_ikey", {
                 TStructRecord(NTable::ERowOp::Upsert, {{"ikey", 10}, {"pkey", 1}}),
                 TStructRecord(NTable::ERowOp::Erase,  {{"ikey", 10}, {"pkey", 1}}),
                 TStructRecord(NTable::ERowOp::Upsert, {{"ikey", 20}, {"pkey", 1}}),
-            }}, 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(DeleteNothing) { 
-        Run("/Root/path", SimpleTable(), "DELETE FROM `/Root/path` WHERE pkey = 1;", {}); 
-    } 
- 
-    Y_UNIT_TEST(DeleteSingleRow) { 
-        Run("/Root/path", SimpleTable(), TVector<TString>{ 
-            "UPSERT INTO `/Root/path` (pkey, ikey) VALUES (1, 10);", 
-            "DELETE FROM `/Root/path` WHERE pkey = 1;", 
-        }, { 
-            {"by_ikey", { 
+            }},
+        });
+    }
+
+    Y_UNIT_TEST(DeleteNothing) {
+        Run("/Root/path", SimpleTable(), "DELETE FROM `/Root/path` WHERE pkey = 1;", {});
+    }
+
+    Y_UNIT_TEST(DeleteSingleRow) {
+        Run("/Root/path", SimpleTable(), TVector<TString>{
+            "UPSERT INTO `/Root/path` (pkey, ikey) VALUES (1, 10);",
+            "DELETE FROM `/Root/path` WHERE pkey = 1;",
+        }, {
+            {"by_ikey", {
                 TStructRecord(NTable::ERowOp::Upsert, {{"ikey", 10}, {"pkey", 1}}),
                 TStructRecord(NTable::ERowOp::Erase,  {{"ikey", 10}, {"pkey", 1}}),
-            }}, 
-        }); 
-    } 
- 
-    TShardedTableOptions MultiIndexedTable() { 
-        return TShardedTableOptions() 
-            .Columns({ 
+            }},
+        });
+    }
+
+    TShardedTableOptions MultiIndexedTable() {
+        return TShardedTableOptions()
+            .Columns({
                 {"pkey", "Uint32", true, false},
                 {"ikey1", "Uint32", false, false},
                 {"ikey2", "Uint32", false, false},
-            }) 
-            .Indexes({ 
+            })
+            .Indexes({
                 {"by_ikey1", {"ikey1"}, {}, NKikimrSchemeOp::EIndexTypeGlobalAsync},
                 {"by_ikey2", {"ikey2"}, {}, NKikimrSchemeOp::EIndexTypeGlobalAsync},
-            }); 
-    } 
- 
-    Y_UNIT_TEST(MultiIndexedTableInsertSingleRow) { 
-        Run("/Root/path", MultiIndexedTable(), "INSERT INTO `/Root/path` (pkey, ikey1, ikey2) VALUES (1, 10, 100);", { 
+            });
+    }
+
+    Y_UNIT_TEST(MultiIndexedTableInsertSingleRow) {
+        Run("/Root/path", MultiIndexedTable(), "INSERT INTO `/Root/path` (pkey, ikey1, ikey2) VALUES (1, 10, 100);", {
             {"by_ikey1", {TStructRecord(NTable::ERowOp::Upsert, {{"ikey1", 10},  {"pkey", 1}})}},
             {"by_ikey2", {TStructRecord(NTable::ERowOp::Upsert, {{"ikey2", 100}, {"pkey", 1}})}},
-        }); 
-    } 
- 
-    Y_UNIT_TEST(MultiIndexedTableUpdateOneIndexedColumn) { 
-        Run("/Root/path", MultiIndexedTable(), TVector<TString>{ 
-            "INSERT INTO `/Root/path` (pkey, ikey1, ikey2) VALUES (1, 10, 100);", 
-            "UPDATE `/Root/path` SET ikey1 = 20 WHERE pkey = 1;", 
-        }, { 
-            {"by_ikey1", { 
+        });
+    }
+
+    Y_UNIT_TEST(MultiIndexedTableUpdateOneIndexedColumn) {
+        Run("/Root/path", MultiIndexedTable(), TVector<TString>{
+            "INSERT INTO `/Root/path` (pkey, ikey1, ikey2) VALUES (1, 10, 100);",
+            "UPDATE `/Root/path` SET ikey1 = 20 WHERE pkey = 1;",
+        }, {
+            {"by_ikey1", {
                 TStructRecord(NTable::ERowOp::Upsert, {{"ikey1", 10},  {"pkey", 1}}),
                 TStructRecord(NTable::ERowOp::Erase,  {{"ikey1", 10},  {"pkey", 1}}),
                 TStructRecord(NTable::ERowOp::Upsert, {{"ikey1", 20},  {"pkey", 1}}),
-            }}, 
-            {"by_ikey2", { 
+            }},
+            {"by_ikey2", {
                 TStructRecord(NTable::ERowOp::Upsert, {{"ikey2", 100}, {"pkey", 1}}),
-            }}, 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(MultiIndexedTableReplaceSingleRow) { 
-        Run("/Root/path", MultiIndexedTable(), TVector<TString>{ 
-            "INSERT INTO `/Root/path` (pkey, ikey1, ikey2) VALUES (1, 10, 100);", 
-            "REPLACE INTO `/Root/path` (pkey, ikey1) VALUES (1, 20);", 
-        }, { 
-            {"by_ikey1", { 
+            }},
+        });
+    }
+
+    Y_UNIT_TEST(MultiIndexedTableReplaceSingleRow) {
+        Run("/Root/path", MultiIndexedTable(), TVector<TString>{
+            "INSERT INTO `/Root/path` (pkey, ikey1, ikey2) VALUES (1, 10, 100);",
+            "REPLACE INTO `/Root/path` (pkey, ikey1) VALUES (1, 20);",
+        }, {
+            {"by_ikey1", {
                 TStructRecord(NTable::ERowOp::Upsert, {{"ikey1", 10},  {"pkey", 1}}),
                 TStructRecord(NTable::ERowOp::Erase,  {{"ikey1", 10},  {"pkey", 1}}),
                 TStructRecord(NTable::ERowOp::Upsert, {{"ikey1", 20},  {"pkey", 1}}),
-            }}, 
-            {"by_ikey2", { 
+            }},
+            {"by_ikey2", {
                 TStructRecord(NTable::ERowOp::Upsert, {{"ikey2", 100}, {"pkey", 1}}),
                 TStructRecord(NTable::ERowOp::Erase,  {{"ikey2", 100}, {"pkey", 1}}),
                 TStructRecord(NTable::ERowOp::Upsert, {{"ikey2", Null}, {"pkey", 1}}),
-            }}, 
-        }); 
-    } 
- 
-    TShardedTableOptions IndexedPrimaryKey() { 
-        return TShardedTableOptions() 
-            .Columns({ 
+            }},
+        });
+    }
+
+    TShardedTableOptions IndexedPrimaryKey() {
+        return TShardedTableOptions()
+            .Columns({
                 {"pkey", "Uint32", true, false},
                 {"ikey", "Uint32", false, false},
-            }) 
-            .Indexes({ 
+            })
+            .Indexes({
                 {"by_ikey_pkey", {"ikey", "pkey"}, {}, NKikimrSchemeOp::EIndexTypeGlobalAsync},
-            }); 
-    } 
- 
-    Y_UNIT_TEST(IndexedPrimaryKeyInsertSingleRow) { 
-        Run("/Root/path", IndexedPrimaryKey(), "INSERT INTO `/Root/path` (pkey, ikey) VALUES (1, 10);", { 
+            });
+    }
+
+    Y_UNIT_TEST(IndexedPrimaryKeyInsertSingleRow) {
+        Run("/Root/path", IndexedPrimaryKey(), "INSERT INTO `/Root/path` (pkey, ikey) VALUES (1, 10);", {
             {"by_ikey_pkey", {TStructRecord(NTable::ERowOp::Upsert, {{"ikey", 10}, {"pkey", 1}})}},
-        }); 
-    } 
- 
-    Y_UNIT_TEST(IndexedPrimaryKeyDeleteSingleRow) { 
-        Run("/Root/path", IndexedPrimaryKey(), TVector<TString>{ 
-            "UPSERT INTO `/Root/path` (pkey, ikey) VALUES (1, 10);", 
-            "DELETE FROM `/Root/path` WHERE pkey = 1;", 
-        }, { 
-            {"by_ikey_pkey", { 
+        });
+    }
+
+    Y_UNIT_TEST(IndexedPrimaryKeyDeleteSingleRow) {
+        Run("/Root/path", IndexedPrimaryKey(), TVector<TString>{
+            "UPSERT INTO `/Root/path` (pkey, ikey) VALUES (1, 10);",
+            "DELETE FROM `/Root/path` WHERE pkey = 1;",
+        }, {
+            {"by_ikey_pkey", {
                 TStructRecord(NTable::ERowOp::Upsert, {{"ikey", 10}, {"pkey", 1}}),
                 TStructRecord(NTable::ERowOp::Erase,  {{"ikey", 10}, {"pkey", 1}}),
-            }}, 
-        }); 
-    } 
- 
-    TShardedTableOptions CoveredIndex() { 
-        return TShardedTableOptions() 
-            .Columns({ 
+            }},
+        });
+    }
+
+    TShardedTableOptions CoveredIndex() {
+        return TShardedTableOptions()
+            .Columns({
                 {"pkey", "Uint32", true, false},
                 {"ikey", "Uint32", false, false},
                 {"value", "Uint32", false, false},
-            }) 
-            .Indexes({ 
+            })
+            .Indexes({
                 {"by_ikey", {"ikey"}, {"value"}, NKikimrSchemeOp::EIndexTypeGlobalAsync},
-            }); 
-    } 
- 
-    Y_UNIT_TEST(CoveredIndexUpdateCoveredColumn) { 
-        Run("/Root/path", CoveredIndex(), TVector<TString>{ 
-            "INSERT INTO `/Root/path` (pkey, ikey, value) VALUES (1, 10, 100);", 
-            "UPDATE `/Root/path` SET value = 200 WHERE pkey = 1;", 
-        }, { 
-            {"by_ikey", { 
+            });
+    }
+
+    Y_UNIT_TEST(CoveredIndexUpdateCoveredColumn) {
+        Run("/Root/path", CoveredIndex(), TVector<TString>{
+            "INSERT INTO `/Root/path` (pkey, ikey, value) VALUES (1, 10, 100);",
+            "UPDATE `/Root/path` SET value = 200 WHERE pkey = 1;",
+        }, {
+            {"by_ikey", {
                 TStructRecord(NTable::ERowOp::Upsert, {{"ikey", 10}, {"pkey", 1}}, {{"value", 100}}),
                 TStructRecord(NTable::ERowOp::Upsert, {{"ikey", 10}, {"pkey", 1}}, {{"value", 200}}),
-            }}, 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(CoveredIndexUpsert) { 
-        Run("/Root/path", CoveredIndex(), TVector<TString>{ 
-            "INSERT INTO `/Root/path` (pkey, ikey, value) VALUES (1, 10, 100);", 
-            "UPSERT INTO `/Root/path` (pkey, ikey, value) VALUES (1, 10, 200);", 
-        }, { 
-            {"by_ikey", { 
+            }},
+        });
+    }
+
+    Y_UNIT_TEST(CoveredIndexUpsert) {
+        Run("/Root/path", CoveredIndex(), TVector<TString>{
+            "INSERT INTO `/Root/path` (pkey, ikey, value) VALUES (1, 10, 100);",
+            "UPSERT INTO `/Root/path` (pkey, ikey, value) VALUES (1, 10, 200);",
+        }, {
+            {"by_ikey", {
                 TStructRecord(NTable::ERowOp::Upsert, {{"ikey", 10}, {"pkey", 1}}, {{"value", 100}}),
                 TStructRecord(NTable::ERowOp::Erase,  {{"ikey", 10}, {"pkey", 1}}),
                 TStructRecord(NTable::ERowOp::Upsert, {{"ikey", 10}, {"pkey", 1}}, {{"value", 200}}),
-            }}, 
-        }); 
-    } 
-} 
- 
-Y_UNIT_TEST_SUITE(CdcStreamChangeCollector) { 
-    using TCdcStream = TShardedTableOptions::TCdcStream; 
- 
-    NKikimrPQ::TPQConfig WithProtoSourceIdInfo() { 
-        NKikimrPQ::TPQConfig pqConfig; 
-        pqConfig.SetEnableProtoSourceIdInfo(true); 
-        return pqConfig; 
-    } 
- 
-    void Run(const TString& path, const TShardedTableOptions& opts, const TVector<TCdcStream>& streams, 
-            const TVector<TString>& queries, const TStructRecords& expectedRecords) 
-    { 
-        const auto pathParts = SplitPath(path); 
-        UNIT_ASSERT(pathParts.size() > 1); 
- 
-        const auto domainName = pathParts.at(0); 
-        const auto workingDir = CombinePath(pathParts.begin(), pathParts.begin() + pathParts.size() - 1); 
-        const auto tableName = pathParts.at(pathParts.size() - 1); 
- 
-        TPortManager pm; 
-        TServerSettings serverSettings(pm.GetPort(2134), {}, WithProtoSourceIdInfo()); 
-        serverSettings 
-            .SetDomainName(domainName) 
-            .SetUseRealThreads(false) 
-            .SetEnableDataColumnForIndexTable(true) 
-            .SetEnableAsyncIndexes(true); 
- 
-        TServer::TPtr server = new TServer(serverSettings); 
-        auto& runtime = *server->GetRuntime(); 
-        const TActorId sender = runtime.AllocateEdgeActor(); 
- 
-        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG); 
-        InitRoot(server, sender); 
- 
-        // prevent change sending 
-        runtime.SetObserverFunc([&](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) { 
-            switch (ev->GetTypeRewrite()) { 
-            case TEvChangeExchange::TEvActivateSender::EventType: 
-                return TTestActorRuntime::EEventAction::DROP; 
-            default: 
-                return TTestActorRuntime::EEventAction::PROCESS; 
-            } 
-        }); 
- 
-        CreateShardedTable(server, sender, workingDir, tableName, opts); 
- 
-        for (const auto& stream : streams) { 
-            WaitTxNotification(server, sender, AsyncAlterAddStream(server, workingDir, tableName, stream)); 
-        } 
- 
-        for (const auto& query : queries) { 
-            ExecSQL(server, sender, query); 
-        } 
- 
-        auto desc = Navigate(runtime, sender, path); 
-        const auto& entry = desc->ResultSet.at(0); 
- 
-        THashMap<NTable::TTag, TString> tagToName; 
-        for (const auto& [tag, column] : entry.Columns) { 
-            tagToName.emplace(tag, column.Name); 
-        } 
- 
-        THashMap<TPathId, TString> indexPathIdToName; 
-        for (const auto& index : entry.Indexes) { 
-            const auto& name = index.GetName(); 
-            const auto pathId = TPathId(index.GetPathOwnerId(), index.GetLocalPathId()); 
-            indexPathIdToName.emplace(pathId, name); 
-        } 
- 
-        THashMap<TPathId, TString> streamPathIdToName; 
-        for (const auto& stream : entry.CdcStreams) { 
-            const auto& name = stream.GetName(); 
-            const auto pathId = TPathId(stream.GetPathId().GetOwnerId(), stream.GetPathId().GetLocalId()); 
-            streamPathIdToName.emplace(pathId, name); 
-        } 
- 
-        const auto tabletIds = GetTableShards(server, sender, path); 
-        UNIT_ASSERT_VALUES_EQUAL(tabletIds.size(), 1); 
- 
-        for (const auto& [pathId, actual] : GetChangeRecordsWithDetails(runtime, sender, tabletIds[0])) { 
-            TString name; 
-            if (streamPathIdToName.contains(pathId)) { 
-                name = streamPathIdToName.at(pathId); 
-            } else if (indexPathIdToName.contains(pathId)) { 
-                name = indexPathIdToName.at(pathId); 
-            } else { 
-                UNIT_ASSERT_C(false, "Unexpected path id: " << pathId); 
-            } 
- 
-            UNIT_ASSERT(expectedRecords.contains(name)); 
-            const auto& expected = expectedRecords.at(name); 
- 
-            UNIT_ASSERT_VALUES_EQUAL(expected.size(), actual.size()); 
-            for (size_t i = 0; i < expected.size(); ++i) { 
-                UNIT_ASSERT_VALUES_EQUAL(expected.at(i), TStructRecord::Parse(actual.at(i).GetBody(), tagToName)); 
-            } 
-        } 
-    } 
- 
-    void Run(const TString& path, const TShardedTableOptions& opts, const TCdcStream& stream, 
-            const TString& query, const TStructRecords& expectedRecords) 
-    { 
-        Run(path, opts, TVector<TCdcStream>(1, stream), TVector<TString>(1, query), expectedRecords); 
-    } 
- 
-    TShardedTableOptions SimpleTable() { 
-        return TShardedTableOptions() 
-            .Columns({ 
+            }},
+        });
+    }
+}
+
+Y_UNIT_TEST_SUITE(CdcStreamChangeCollector) {
+    using TCdcStream = TShardedTableOptions::TCdcStream;
+
+    NKikimrPQ::TPQConfig WithProtoSourceIdInfo() {
+        NKikimrPQ::TPQConfig pqConfig;
+        pqConfig.SetEnableProtoSourceIdInfo(true);
+        return pqConfig;
+    }
+
+    void Run(const TString& path, const TShardedTableOptions& opts, const TVector<TCdcStream>& streams,
+            const TVector<TString>& queries, const TStructRecords& expectedRecords)
+    {
+        const auto pathParts = SplitPath(path);
+        UNIT_ASSERT(pathParts.size() > 1);
+
+        const auto domainName = pathParts.at(0);
+        const auto workingDir = CombinePath(pathParts.begin(), pathParts.begin() + pathParts.size() - 1);
+        const auto tableName = pathParts.at(pathParts.size() - 1);
+
+        TPortManager pm;
+        TServerSettings serverSettings(pm.GetPort(2134), {}, WithProtoSourceIdInfo());
+        serverSettings
+            .SetDomainName(domainName)
+            .SetUseRealThreads(false)
+            .SetEnableDataColumnForIndexTable(true)
+            .SetEnableAsyncIndexes(true);
+
+        TServer::TPtr server = new TServer(serverSettings);
+        auto& runtime = *server->GetRuntime();
+        const TActorId sender = runtime.AllocateEdgeActor();
+
+        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG);
+        InitRoot(server, sender);
+
+        // prevent change sending
+        runtime.SetObserverFunc([&](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) {
+            switch (ev->GetTypeRewrite()) {
+            case TEvChangeExchange::TEvActivateSender::EventType:
+                return TTestActorRuntime::EEventAction::DROP;
+            default:
+                return TTestActorRuntime::EEventAction::PROCESS;
+            }
+        });
+
+        CreateShardedTable(server, sender, workingDir, tableName, opts);
+
+        for (const auto& stream : streams) {
+            WaitTxNotification(server, sender, AsyncAlterAddStream(server, workingDir, tableName, stream));
+        }
+
+        for (const auto& query : queries) {
+            ExecSQL(server, sender, query);
+        }
+
+        auto desc = Navigate(runtime, sender, path);
+        const auto& entry = desc->ResultSet.at(0);
+
+        THashMap<NTable::TTag, TString> tagToName;
+        for (const auto& [tag, column] : entry.Columns) {
+            tagToName.emplace(tag, column.Name);
+        }
+
+        THashMap<TPathId, TString> indexPathIdToName;
+        for (const auto& index : entry.Indexes) {
+            const auto& name = index.GetName();
+            const auto pathId = TPathId(index.GetPathOwnerId(), index.GetLocalPathId());
+            indexPathIdToName.emplace(pathId, name);
+        }
+
+        THashMap<TPathId, TString> streamPathIdToName;
+        for (const auto& stream : entry.CdcStreams) {
+            const auto& name = stream.GetName();
+            const auto pathId = TPathId(stream.GetPathId().GetOwnerId(), stream.GetPathId().GetLocalId());
+            streamPathIdToName.emplace(pathId, name);
+        }
+
+        const auto tabletIds = GetTableShards(server, sender, path);
+        UNIT_ASSERT_VALUES_EQUAL(tabletIds.size(), 1);
+
+        for (const auto& [pathId, actual] : GetChangeRecordsWithDetails(runtime, sender, tabletIds[0])) {
+            TString name;
+            if (streamPathIdToName.contains(pathId)) {
+                name = streamPathIdToName.at(pathId);
+            } else if (indexPathIdToName.contains(pathId)) {
+                name = indexPathIdToName.at(pathId);
+            } else {
+                UNIT_ASSERT_C(false, "Unexpected path id: " << pathId);
+            }
+
+            UNIT_ASSERT(expectedRecords.contains(name));
+            const auto& expected = expectedRecords.at(name);
+
+            UNIT_ASSERT_VALUES_EQUAL(expected.size(), actual.size());
+            for (size_t i = 0; i < expected.size(); ++i) {
+                UNIT_ASSERT_VALUES_EQUAL(expected.at(i), TStructRecord::Parse(actual.at(i).GetBody(), tagToName));
+            }
+        }
+    }
+
+    void Run(const TString& path, const TShardedTableOptions& opts, const TCdcStream& stream,
+            const TString& query, const TStructRecords& expectedRecords)
+    {
+        Run(path, opts, TVector<TCdcStream>(1, stream), TVector<TString>(1, query), expectedRecords);
+    }
+
+    TShardedTableOptions SimpleTable() {
+        return TShardedTableOptions()
+            .Columns({
                 {"key", "Uint32", true, false},
                 {"value", "Uint32", false, false},
-            }); 
-    } 
- 
-    TCdcStream KeysOnly() { 
-        return TCdcStream{ 
+            });
+    }
+
+    TCdcStream KeysOnly() {
+        return TCdcStream{
             "keys_stream", NKikimrSchemeOp::ECdcStreamModeKeysOnly
-        }; 
-    } 
- 
-    TCdcStream Updates() { 
-        return TCdcStream{ 
+        };
+    }
+
+    TCdcStream Updates() {
+        return TCdcStream{
             "updates_stream", NKikimrSchemeOp::ECdcStreamModeUpdate
-        }; 
-    } 
- 
-    TCdcStream NewAndOldImages() { 
-        return TCdcStream{ 
+        };
+    }
+
+    TCdcStream NewAndOldImages() {
+        return TCdcStream{
             "new_and_old_images", NKikimrSchemeOp::ECdcStreamModeNewAndOldImages
-        }; 
-    } 
- 
-    Y_UNIT_TEST(InsertSingleRow) { 
-        Run("/Root/path", SimpleTable(), KeysOnly(), "INSERT INTO `/Root/path` (key, value) VALUES (1, 10);", { 
+        };
+    }
+
+    Y_UNIT_TEST(InsertSingleRow) {
+        Run("/Root/path", SimpleTable(), KeysOnly(), "INSERT INTO `/Root/path` (key, value) VALUES (1, 10);", {
             {"keys_stream", {TStructRecord(NTable::ERowOp::Upsert, {{"key", 1}})}},
-        }); 
-    } 
- 
-    Y_UNIT_TEST(DeleteNothing) { 
-        Run("/Root/path", SimpleTable(), KeysOnly(), "DELETE FROM `/Root/path` WHERE key = 1;", { 
+        });
+    }
+
+    Y_UNIT_TEST(DeleteNothing) {
+        Run("/Root/path", SimpleTable(), KeysOnly(), "DELETE FROM `/Root/path` WHERE key = 1;", {
             {"keys_stream", {TStructRecord(NTable::ERowOp::Erase, {{"key", 1}})}},
-        }); 
-    } 
- 
-    Y_UNIT_TEST(UpsertManyRows) { 
-        Run("/Root/path", SimpleTable(), Updates(), "UPSERT INTO `/Root/path` (key, value) VALUES (1, 10), (2, 20);", { 
-            {"updates_stream", { 
+        });
+    }
+
+    Y_UNIT_TEST(UpsertManyRows) {
+        Run("/Root/path", SimpleTable(), Updates(), "UPSERT INTO `/Root/path` (key, value) VALUES (1, 10), (2, 20);", {
+            {"updates_stream", {
                 TStructRecord(NTable::ERowOp::Upsert, {{"key", 1}}, {{"value", 10}}),
                 TStructRecord(NTable::ERowOp::Upsert, {{"key", 2}}, {{"value", 20}}),
-            }}, 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(UpsertToSameKey) { 
-        Run("/Root/path", SimpleTable(), Updates(), "UPSERT INTO `/Root/path` (key, value) VALUES (1, 10), (1, 20);", { 
-            {"updates_stream", { 
+            }},
+        });
+    }
+
+    Y_UNIT_TEST(UpsertToSameKey) {
+        Run("/Root/path", SimpleTable(), Updates(), "UPSERT INTO `/Root/path` (key, value) VALUES (1, 10), (1, 20);", {
+            {"updates_stream", {
                 TStructRecord(NTable::ERowOp::Upsert, {{"key", 1}}, {{"value", 10}}),
                 TStructRecord(NTable::ERowOp::Upsert, {{"key", 1}}, {{"value", 20}}),
-            }}, 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(UpsertToSameKeyWithImages) { 
-        Run("/Root/path", SimpleTable(), NewAndOldImages(), "UPSERT INTO `/Root/path` (key, value) VALUES (1, 10), (1, 20);", { 
-            {"new_and_old_images", { 
+            }},
+        });
+    }
+
+    Y_UNIT_TEST(UpsertToSameKeyWithImages) {
+        Run("/Root/path", SimpleTable(), NewAndOldImages(), "UPSERT INTO `/Root/path` (key, value) VALUES (1, 10), (1, 20);", {
+            {"new_and_old_images", {
                 TStructRecord(NTable::ERowOp::Upsert, {{"key", 1}}, {}, {}, {{"value", 10}}),
                 TStructRecord(NTable::ERowOp::Upsert, {{"key", 1}}, {}, {{"value", 10}}, {{"value", 20}}),
-            }}, 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(UpsertIntoTwoStreams) { 
-        Run("/Root/path", SimpleTable(), TVector<TCdcStream>{Updates(), NewAndOldImages()}, TVector<TString>{ 
-            "UPSERT INTO `/Root/path` (key, value) VALUES (1, 10), (1, 20);", 
-        }, { 
-            {"updates_stream", { 
+            }},
+        });
+    }
+
+    Y_UNIT_TEST(UpsertIntoTwoStreams) {
+        Run("/Root/path", SimpleTable(), TVector<TCdcStream>{Updates(), NewAndOldImages()}, TVector<TString>{
+            "UPSERT INTO `/Root/path` (key, value) VALUES (1, 10), (1, 20);",
+        }, {
+            {"updates_stream", {
                 TStructRecord(NTable::ERowOp::Upsert, {{"key", 1}}, {{"value", 10}}),
                 TStructRecord(NTable::ERowOp::Upsert, {{"key", 1}}, {{"value", 20}}),
-            }}, 
-            {"new_and_old_images", { 
+            }},
+            {"new_and_old_images", {
                 TStructRecord(NTable::ERowOp::Upsert, {{"key", 1}}, {}, {}, {{"value", 10}}),
                 TStructRecord(NTable::ERowOp::Upsert, {{"key", 1}}, {}, {{"value", 10}}, {{"value", 20}}),
-            }}, 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(DeleteSingleRow) { 
-        Run("/Root/path", SimpleTable(), TVector<TCdcStream>{NewAndOldImages()}, TVector<TString>{ 
-            "UPSERT INTO `/Root/path` (key, value) VALUES (1, 10);", 
-            "DELETE FROM `/Root/path` WHERE key = 1;", 
-        }, { 
-            {"new_and_old_images", { 
+            }},
+        });
+    }
+
+    Y_UNIT_TEST(DeleteSingleRow) {
+        Run("/Root/path", SimpleTable(), TVector<TCdcStream>{NewAndOldImages()}, TVector<TString>{
+            "UPSERT INTO `/Root/path` (key, value) VALUES (1, 10);",
+            "DELETE FROM `/Root/path` WHERE key = 1;",
+        }, {
+            {"new_and_old_images", {
                 TStructRecord(NTable::ERowOp::Upsert, {{"key", 1}}, {}, {}, {{"value", 10}}),
                 TStructRecord(NTable::ERowOp::Erase,  {{"key", 1}}, {}, {{"value", 10}}, {}),
-            }}, 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(UpsertModifyDelete) { 
-        Run("/Root/path", SimpleTable(), TVector<TCdcStream>{NewAndOldImages()}, TVector<TString>{ 
-            "UPSERT INTO `/Root/path` (key, value) VALUES (1, 10);", 
-            "UPSERT INTO `/Root/path` (key, value) VALUES (1, 20);", 
-            "DELETE FROM `/Root/path` WHERE key = 1;", 
-        }, { 
-            {"new_and_old_images", { 
+            }},
+        });
+    }
+
+    Y_UNIT_TEST(UpsertModifyDelete) {
+        Run("/Root/path", SimpleTable(), TVector<TCdcStream>{NewAndOldImages()}, TVector<TString>{
+            "UPSERT INTO `/Root/path` (key, value) VALUES (1, 10);",
+            "UPSERT INTO `/Root/path` (key, value) VALUES (1, 20);",
+            "DELETE FROM `/Root/path` WHERE key = 1;",
+        }, {
+            {"new_and_old_images", {
                 TStructRecord(NTable::ERowOp::Upsert, {{"key", 1}}, {}, {}, {{"value", 10}}),
                 TStructRecord(NTable::ERowOp::Upsert, {{"key", 1}}, {}, {{"value", 10}}, {{"value", 20}}),
                 TStructRecord(NTable::ERowOp::Erase,  {{"key", 1}}, {}, {{"value", 20}}, {}),
-            }}, 
-        }); 
-    } 
- 
-    TShardedTableOptions IndexedTable() { 
-        return TShardedTableOptions() 
-            .Columns({ 
+            }},
+        });
+    }
+
+    TShardedTableOptions IndexedTable() {
+        return TShardedTableOptions()
+            .Columns({
                 {"pkey", "Uint32", true, false},
                 {"ikey", "Uint32", false, false},
-            }) 
-            .Indexes({ 
+            })
+            .Indexes({
                 {"by_ikey", {"ikey"}, {}, NKikimrSchemeOp::EIndexTypeGlobalAsync},
-            }); 
-    } 
- 
-    Y_UNIT_TEST(IndexAndStreamUpsert) { 
-        Run("/Root/path", IndexedTable(), Updates(), "INSERT INTO `/Root/path` (pkey, ikey) VALUES (1, 10);", { 
+            });
+    }
+
+    Y_UNIT_TEST(IndexAndStreamUpsert) {
+        Run("/Root/path", IndexedTable(), Updates(), "INSERT INTO `/Root/path` (pkey, ikey) VALUES (1, 10);", {
             {"by_ikey", {TStructRecord(NTable::ERowOp::Upsert, {{"ikey", 10}, {"pkey", 1}})}},
             {"updates_stream", {TStructRecord(NTable::ERowOp::Upsert, {{"pkey", 1}}, {{"ikey", 10}})}},
-        }); 
-    } 
-} 
- 
-} // NKikimr 
- 
-Y_DECLARE_OUT_SPEC(inline, NKikimr::TStructRecord, out, value) { 
-    return value.Out(out); 
-} 
- 
-Y_DECLARE_OUT_SPEC(inline, NKikimr::TStructKey, out, value) { 
-    return NKikimr::OutKvContainer(out, value); 
-} 
- 
-Y_DECLARE_OUT_SPEC(inline, NKikimr::TStructValue, out, value) { 
-    return NKikimr::OutKvContainer(out, value); 
-} 
+        });
+    }
+}
+
+} // NKikimr
+
+Y_DECLARE_OUT_SPEC(inline, NKikimr::TStructRecord, out, value) {
+    return value.Out(out);
+}
+
+Y_DECLARE_OUT_SPEC(inline, NKikimr::TStructKey, out, value) {
+    return NKikimr::OutKvContainer(out, value);
+}
+
+Y_DECLARE_OUT_SPEC(inline, NKikimr::TStructValue, out, value) {
+    return NKikimr::OutKvContainer(out, value);
+}
diff --git a/ydb/core/tx/datashard/datashard_ut_change_exchange.cpp b/ydb/core/tx/datashard/datashard_ut_change_exchange.cpp
index f5479dad02..5e312f673c 100644
--- a/ydb/core/tx/datashard/datashard_ut_change_exchange.cpp
+++ b/ydb/core/tx/datashard/datashard_ut_change_exchange.cpp
@@ -1,561 +1,561 @@
-#include "datashard_ut_common.h" 
- 
-#include <util/string/strip.h> 
- 
-namespace NKikimr { 
- 
+#include "datashard_ut_common.h"
+
+#include <util/string/strip.h>
+
+namespace NKikimr {
+
 using namespace NDataShard;
-using namespace Tests; 
- 
-Y_UNIT_TEST_SUITE(AsyncIndexChangeExchange) { 
-    void SenderShouldBeActivated(const TString& path, const TShardedTableOptions& opts) { 
-        const auto pathParts = SplitPath(path); 
-        UNIT_ASSERT(pathParts.size() > 1); 
- 
-        const auto domainName = pathParts.at(0); 
-        const auto workingDir = CombinePath(pathParts.begin(), pathParts.begin() + pathParts.size() - 1); 
-        const auto tableName = pathParts.at(pathParts.size() - 1); 
- 
-        TPortManager pm; 
-        TServerSettings serverSettings(pm.GetPort(2134)); 
-        serverSettings 
-            .SetDomainName(domainName) 
-            .SetUseRealThreads(false) 
-            .SetEnableDataColumnForIndexTable(true) 
-            .SetEnableAsyncIndexes(true); 
- 
-        TServer::TPtr server = new TServer(serverSettings); 
-        auto& runtime = *server->GetRuntime(); 
-        const TActorId sender = runtime.AllocateEdgeActor(); 
- 
-        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG); 
-        runtime.SetLogPriority(NKikimrServices::CHANGE_EXCHANGE, NLog::PRI_DEBUG); 
-        InitRoot(server, sender); 
- 
-        bool activated = false; 
-        runtime.SetObserverFunc([&activated](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) { 
-            if (ev->GetTypeRewrite() == TEvChangeExchange::EvActivateSender) { 
-                activated = true; 
-            } 
- 
-            return TTestActorRuntime::EEventAction::PROCESS; 
-        }); 
- 
-        CreateShardedTable(server, sender, workingDir, tableName, opts); 
- 
-        if (!activated) { 
-            TDispatchOptions opts; 
-            opts.FinalEvents.emplace_back([&activated](IEventHandle&) { 
-                return activated; 
-            }); 
-            server->GetRuntime()->DispatchEvents(opts); 
-        } 
-    } 
- 
-    TShardedTableOptions TableWoIndexes() { 
-        return TShardedTableOptions() 
-            .Columns({ 
+using namespace Tests;
+
+Y_UNIT_TEST_SUITE(AsyncIndexChangeExchange) {
+    void SenderShouldBeActivated(const TString& path, const TShardedTableOptions& opts) {
+        const auto pathParts = SplitPath(path);
+        UNIT_ASSERT(pathParts.size() > 1);
+
+        const auto domainName = pathParts.at(0);
+        const auto workingDir = CombinePath(pathParts.begin(), pathParts.begin() + pathParts.size() - 1);
+        const auto tableName = pathParts.at(pathParts.size() - 1);
+
+        TPortManager pm;
+        TServerSettings serverSettings(pm.GetPort(2134));
+        serverSettings
+            .SetDomainName(domainName)
+            .SetUseRealThreads(false)
+            .SetEnableDataColumnForIndexTable(true)
+            .SetEnableAsyncIndexes(true);
+
+        TServer::TPtr server = new TServer(serverSettings);
+        auto& runtime = *server->GetRuntime();
+        const TActorId sender = runtime.AllocateEdgeActor();
+
+        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG);
+        runtime.SetLogPriority(NKikimrServices::CHANGE_EXCHANGE, NLog::PRI_DEBUG);
+        InitRoot(server, sender);
+
+        bool activated = false;
+        runtime.SetObserverFunc([&activated](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) {
+            if (ev->GetTypeRewrite() == TEvChangeExchange::EvActivateSender) {
+                activated = true;
+            }
+
+            return TTestActorRuntime::EEventAction::PROCESS;
+        });
+
+        CreateShardedTable(server, sender, workingDir, tableName, opts);
+
+        if (!activated) {
+            TDispatchOptions opts;
+            opts.FinalEvents.emplace_back([&activated](IEventHandle&) {
+                return activated;
+            });
+            server->GetRuntime()->DispatchEvents(opts);
+        }
+    }
+
+    TShardedTableOptions TableWoIndexes() {
+        return TShardedTableOptions()
+            .Columns({
                 {"pkey", "Uint32", true, false},
                 {"ikey", "Uint32", false, false},
-            }); 
-    } 
- 
-    TShardedTableOptions::TIndex SimpleSyncIndex() { 
-        return TShardedTableOptions::TIndex{ 
+            });
+    }
+
+    TShardedTableOptions::TIndex SimpleSyncIndex() {
+        return TShardedTableOptions::TIndex{
             "by_ikey", {"ikey"}, {}, NKikimrSchemeOp::EIndexTypeGlobal
-        }; 
-    } 
- 
-    TShardedTableOptions::TIndex SimpleAsyncIndex() { 
-        return TShardedTableOptions::TIndex{ 
+        };
+    }
+
+    TShardedTableOptions::TIndex SimpleAsyncIndex() {
+        return TShardedTableOptions::TIndex{
             "by_ikey", {"ikey"}, {}, NKikimrSchemeOp::EIndexTypeGlobalAsync
-        }; 
-    } 
- 
-    TShardedTableOptions TableWithIndex(const TShardedTableOptions::TIndex& index) { 
-        return TShardedTableOptions() 
-            .Columns({ 
+        };
+    }
+
+    TShardedTableOptions TableWithIndex(const TShardedTableOptions::TIndex& index) {
+        return TShardedTableOptions()
+            .Columns({
                 {"pkey", "Uint32", true, false},
                 {"ikey", "Uint32", false, false},
-            }) 
-            .Indexes({ 
-                index 
-            }); 
-    } 
- 
-    Y_UNIT_TEST(SenderShouldBeActivatedOnTableWoIndexes) { 
-        SenderShouldBeActivated("/Root/Table", TableWoIndexes()); 
-    } 
- 
-    Y_UNIT_TEST(SenderShouldBeActivatedOnTableWithSyncIndex) { 
-        SenderShouldBeActivated("/Root/Table", TableWithIndex(SimpleSyncIndex())); 
-    } 
- 
-    Y_UNIT_TEST(SenderShouldBeActivatedOnTableWithAsyncIndex) { 
-        SenderShouldBeActivated("/Root/Table", TableWithIndex(SimpleAsyncIndex())); 
-    } 
- 
-    void SenderShouldShakeHands(const TString& path, ui32 times, const TShardedTableOptions& opts, 
-            TMaybe<TShardedTableOptions::TIndex> addIndex = Nothing()) 
-    { 
-        const auto pathParts = SplitPath(path); 
-        UNIT_ASSERT(pathParts.size() > 1); 
- 
-        const auto domainName = pathParts.at(0); 
-        const auto workingDir = CombinePath(pathParts.begin(), pathParts.begin() + pathParts.size() - 1); 
-        const auto tableName = pathParts.at(pathParts.size() - 1); 
- 
-        TPortManager pm; 
-        TServerSettings serverSettings(pm.GetPort(2134)); 
-        serverSettings 
-            .SetDomainName(domainName) 
-            .SetUseRealThreads(false) 
-            .SetEnableDataColumnForIndexTable(true) 
-            .SetEnableAsyncIndexes(true); 
- 
-        TServer::TPtr server = new TServer(serverSettings); 
-        auto& runtime = *server->GetRuntime(); 
-        const TActorId sender = runtime.AllocateEdgeActor(); 
- 
-        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG); 
-        runtime.SetLogPriority(NKikimrServices::CHANGE_EXCHANGE, NLog::PRI_DEBUG); 
-        InitRoot(server, sender); 
- 
-        ui32 counter = 0; 
-        runtime.SetObserverFunc([&counter](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) { 
-            if (ev->GetTypeRewrite() == TEvChangeExchange::EvHandshake) { 
-                ++counter; 
-            } 
- 
-            return TTestActorRuntime::EEventAction::PROCESS; 
-        }); 
- 
-        CreateShardedTable(server, sender, workingDir, tableName, opts); 
-        if (addIndex) { 
-            AsyncAlterAddIndex(server, domainName, path, *addIndex); 
-        } 
- 
-        if (counter != times) { 
-            TDispatchOptions opts; 
-            opts.FinalEvents.emplace_back([&](IEventHandle&) { 
-                return counter == times; 
-            }); 
-            server->GetRuntime()->DispatchEvents(opts); 
-        } 
-    } 
- 
-    Y_UNIT_TEST(SenderShouldShakeHandsOnce) { 
-        SenderShouldShakeHands("/Root/Table", 1, TableWithIndex(SimpleAsyncIndex())); 
-    } 
- 
-    Y_UNIT_TEST(SenderShouldShakeHandsTwice) { 
-        SenderShouldShakeHands("/Root/Table", 2, TShardedTableOptions() 
-            .Columns({ 
+            })
+            .Indexes({
+                index
+            });
+    }
+
+    Y_UNIT_TEST(SenderShouldBeActivatedOnTableWoIndexes) {
+        SenderShouldBeActivated("/Root/Table", TableWoIndexes());
+    }
+
+    Y_UNIT_TEST(SenderShouldBeActivatedOnTableWithSyncIndex) {
+        SenderShouldBeActivated("/Root/Table", TableWithIndex(SimpleSyncIndex()));
+    }
+
+    Y_UNIT_TEST(SenderShouldBeActivatedOnTableWithAsyncIndex) {
+        SenderShouldBeActivated("/Root/Table", TableWithIndex(SimpleAsyncIndex()));
+    }
+
+    void SenderShouldShakeHands(const TString& path, ui32 times, const TShardedTableOptions& opts,
+            TMaybe<TShardedTableOptions::TIndex> addIndex = Nothing())
+    {
+        const auto pathParts = SplitPath(path);
+        UNIT_ASSERT(pathParts.size() > 1);
+
+        const auto domainName = pathParts.at(0);
+        const auto workingDir = CombinePath(pathParts.begin(), pathParts.begin() + pathParts.size() - 1);
+        const auto tableName = pathParts.at(pathParts.size() - 1);
+
+        TPortManager pm;
+        TServerSettings serverSettings(pm.GetPort(2134));
+        serverSettings
+            .SetDomainName(domainName)
+            .SetUseRealThreads(false)
+            .SetEnableDataColumnForIndexTable(true)
+            .SetEnableAsyncIndexes(true);
+
+        TServer::TPtr server = new TServer(serverSettings);
+        auto& runtime = *server->GetRuntime();
+        const TActorId sender = runtime.AllocateEdgeActor();
+
+        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG);
+        runtime.SetLogPriority(NKikimrServices::CHANGE_EXCHANGE, NLog::PRI_DEBUG);
+        InitRoot(server, sender);
+
+        ui32 counter = 0;
+        runtime.SetObserverFunc([&counter](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) {
+            if (ev->GetTypeRewrite() == TEvChangeExchange::EvHandshake) {
+                ++counter;
+            }
+
+            return TTestActorRuntime::EEventAction::PROCESS;
+        });
+
+        CreateShardedTable(server, sender, workingDir, tableName, opts);
+        if (addIndex) {
+            AsyncAlterAddIndex(server, domainName, path, *addIndex);
+        }
+
+        if (counter != times) {
+            TDispatchOptions opts;
+            opts.FinalEvents.emplace_back([&](IEventHandle&) {
+                return counter == times;
+            });
+            server->GetRuntime()->DispatchEvents(opts);
+        }
+    }
+
+    Y_UNIT_TEST(SenderShouldShakeHandsOnce) {
+        SenderShouldShakeHands("/Root/Table", 1, TableWithIndex(SimpleAsyncIndex()));
+    }
+
+    Y_UNIT_TEST(SenderShouldShakeHandsTwice) {
+        SenderShouldShakeHands("/Root/Table", 2, TShardedTableOptions()
+            .Columns({
                 {"pkey", "Uint32", true, false},
                 {"i1key", "Uint32", false, false},
                 {"i2key", "Uint32", false, false},
-            }) 
-            .Indexes({ 
+            })
+            .Indexes({
                 {"by_i1key", {"i1key"}, {}, NKikimrSchemeOp::EIndexTypeGlobalAsync},
                 {"by_i2key", {"i2key"}, {}, NKikimrSchemeOp::EIndexTypeGlobalAsync},
-            }) 
-        ); 
-    } 
- 
-    Y_UNIT_TEST(SenderShouldShakeHandsAfterAddingIndex) { 
-        SenderShouldShakeHands("/Root/Table", 1, TableWoIndexes(), SimpleAsyncIndex()); 
-    } 
- 
-    void ShouldDeliverChanges(const TString& path, const TShardedTableOptions& opts, 
-            TMaybe<TShardedTableOptions::TIndex> addIndex, const TVector<TString>& queries) 
-    { 
-        const auto pathParts = SplitPath(path); 
-        UNIT_ASSERT(pathParts.size() > 1); 
- 
-        const auto domainName = pathParts.at(0); 
-        const auto workingDir = CombinePath(pathParts.begin(), pathParts.begin() + pathParts.size() - 1); 
-        const auto tableName = pathParts.at(pathParts.size() - 1); 
- 
-        TPortManager pm; 
-        TServerSettings serverSettings(pm.GetPort(2134)); 
-        serverSettings 
-            .SetDomainName(domainName) 
-            .SetUseRealThreads(false) 
-            .SetEnableDataColumnForIndexTable(true) 
-            .SetEnableAsyncIndexes(true); 
- 
-        TServer::TPtr server = new TServer(serverSettings); 
-        auto& runtime = *server->GetRuntime(); 
-        const TActorId sender = runtime.AllocateEdgeActor(); 
- 
-        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG); 
-        runtime.SetLogPriority(NKikimrServices::CHANGE_EXCHANGE, NLog::PRI_DEBUG); 
-        InitRoot(server, sender); 
- 
-        THashSet<ui64> enqueued; 
-        THashSet<ui64> requested; 
-        THashSet<ui64> removed; 
- 
-        runtime.SetObserverFunc([&](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) { 
-            switch (ev->GetTypeRewrite()) { 
-            case TEvChangeExchange::EvEnqueueRecords: 
-                for (const auto& record : ev->Get<TEvChangeExchange::TEvEnqueueRecords>()->Records) { 
-                    enqueued.insert(record.Order); 
-                } 
-                break; 
- 
-            case TEvChangeExchange::EvRequestRecords: 
-                for (const auto& record : ev->Get<TEvChangeExchange::TEvRequestRecords>()->Records) { 
-                    requested.insert(record.Order); 
-                } 
-                break; 
- 
-            case TEvChangeExchange::EvRemoveRecords: 
-                for (const auto& record : ev->Get<TEvChangeExchange::TEvRemoveRecords>()->Records) { 
-                    removed.insert(record); 
-                } 
-                break; 
-            } 
- 
-            return TTestActorRuntime::EEventAction::PROCESS; 
-        }); 
- 
-        CreateShardedTable(server, sender, workingDir, tableName, opts); 
-        if (addIndex) { 
-            WaitTxNotification(server, sender, AsyncAlterAddIndex(server, domainName, path, *addIndex)); 
-        } 
- 
-        for (const auto& query : queries) { 
-            ExecSQL(server, sender, query); 
-        } 
- 
-        if (removed.size() != queries.size()) { 
-            TDispatchOptions opts; 
-            opts.FinalEvents.emplace_back([&removed, expected = queries.size()](IEventHandle&) { 
-                return removed.size() == expected; 
-            }); 
-            server->GetRuntime()->DispatchEvents(opts); 
-        } 
- 
-        UNIT_ASSERT_VALUES_EQUAL(enqueued.size(), requested.size()); 
-        UNIT_ASSERT_VALUES_EQUAL(enqueued.size(), removed.size()); 
-    } 
- 
-    Y_UNIT_TEST(ShouldDeliverChangesOnFreshTable) { 
-        ShouldDeliverChanges("/Root/Table", TableWithIndex(SimpleAsyncIndex()), Nothing(), { 
-            "INSERT INTO `/Root/Table` (pkey, ikey) VALUES (1, 10);", 
-            "UPSERT INTO `/Root/Table` (pkey, ikey) VALUES (2, 20);", 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(ShouldDeliverChangesOnAlteredTable) { 
-        ShouldDeliverChanges("/Root/Table", TableWoIndexes(), SimpleAsyncIndex(), { 
-            "INSERT INTO `/Root/Table` (pkey, ikey) VALUES (1, 10);", 
-            "DELETE FROM `/Root/Table` WHERE pkey = 1;", 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(ShouldRemoveRecordsAfterDroppingIndex) { 
-        TPortManager pm; 
-        TServerSettings serverSettings(pm.GetPort(2134)); 
-        serverSettings 
-            .SetDomainName("Root") 
-            .SetUseRealThreads(false) 
-            .SetEnableDataColumnForIndexTable(true) 
-            .SetEnableAsyncIndexes(true); 
- 
-        TServer::TPtr server = new TServer(serverSettings); 
-        auto& runtime = *server->GetRuntime(); 
-        const TActorId sender = runtime.AllocateEdgeActor(); 
- 
-        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG); 
-        runtime.SetLogPriority(NKikimrServices::CHANGE_EXCHANGE, NLog::PRI_DEBUG); 
-        InitRoot(server, sender); 
- 
-        bool preventActivation = true; 
-        TVector<THolder<IEventHandle>> activations; 
- 
-        THashSet<ui64> enqueued; 
-        THashSet<ui64> removed; 
- 
-        runtime.SetObserverFunc([&](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) { 
-            switch (ev->GetTypeRewrite()) { 
-            case TEvChangeExchange::EvActivateSender: 
-                if (preventActivation) { 
-                    activations.emplace_back(ev.Release()); 
-                    return TTestActorRuntime::EEventAction::DROP; 
-                } else { 
-                    return TTestActorRuntime::EEventAction::PROCESS; 
-                } 
- 
-            case TEvChangeExchange::EvEnqueueRecords: 
-                for (const auto& record : ev->Get<TEvChangeExchange::TEvEnqueueRecords>()->Records) { 
-                    enqueued.insert(record.Order); 
-                } 
-                break; 
- 
-            case TEvChangeExchange::EvRemoveRecords: 
-                for (const auto& record : ev->Get<TEvChangeExchange::TEvRemoveRecords>()->Records) { 
-                    removed.insert(record); 
-                } 
-                break; 
-            } 
- 
-            return TTestActorRuntime::EEventAction::PROCESS; 
-        }); 
- 
-        CreateShardedTable(server, sender, "/Root", "Table", TableWithIndex(SimpleAsyncIndex())); 
-        ExecSQL(server, sender, "INSERT INTO `/Root/Table` (pkey, ikey) VALUES (1, 10);"); 
-        WaitTxNotification(server, sender, AsyncAlterDropIndex(server, "/Root", "Table", "by_ikey")); 
- 
-        if (activations.size() != 2 /* main + index */) { 
-            TDispatchOptions opts; 
-            opts.FinalEvents.emplace_back([&activations](IEventHandle&) { 
-                return activations.size() == 2; 
-            }); 
-            server->GetRuntime()->DispatchEvents(opts); 
-        } 
- 
-        preventActivation = false; 
-        for (auto& ev : activations) { 
-            server->GetRuntime()->Send(ev.Release(), 0, true); 
-        } 
- 
-        if (removed.size() != 1) { 
-            TDispatchOptions opts; 
-            opts.FinalEvents.emplace_back([&removed](IEventHandle&) { 
-                return removed.size() == 1; 
-            }); 
-            server->GetRuntime()->DispatchEvents(opts); 
-        } 
- 
-        UNIT_ASSERT_VALUES_EQUAL(enqueued.size(), removed.size()); 
-    } 
- 
-    void WaitForContent(TServer::TPtr server, const TString& tablePath, const TString& expected) { 
-        while (true) { 
-            auto content = ReadShardedTable(server, tablePath); 
-            if (StripInPlace(content) == expected) { 
-                break; 
-            } else { 
-                SimulateSleep(server, TDuration::Seconds(1)); 
-            } 
-        } 
-    } 
- 
-    Y_UNIT_TEST(ShouldDeliverChangesOnSplitMerge) { 
-        TPortManager pm; 
-        TServerSettings serverSettings(pm.GetPort(2134)); 
-        serverSettings 
-            .SetDomainName("Root") 
-            .SetUseRealThreads(false) 
-            .SetEnableDataColumnForIndexTable(true) 
-            .SetEnableAsyncIndexes(true); 
- 
-        TServer::TPtr server = new TServer(serverSettings); 
-        auto& runtime = *server->GetRuntime(); 
-        const TActorId sender = runtime.AllocateEdgeActor(); 
- 
-        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG); 
-        runtime.SetLogPriority(NKikimrServices::CHANGE_EXCHANGE, NLog::PRI_DEBUG); 
-        InitRoot(server, sender); 
- 
-        bool preventEnqueueing = true; 
-        TVector<THolder<IEventHandle>> enqueued; 
-        THashMap<ui64, ui32> splitAcks; 
- 
-        runtime.SetObserverFunc([&](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) { 
-            switch (ev->GetTypeRewrite()) { 
-            case TEvChangeExchange::EvEnqueueRecords: 
-                if (preventEnqueueing) { 
-                    enqueued.emplace_back(ev.Release()); 
-                    return TTestActorRuntime::EEventAction::DROP; 
-                } else { 
-                    return TTestActorRuntime::EEventAction::PROCESS; 
-                } 
- 
-            case TEvDataShard::EvSplitAck: 
-                ++splitAcks[ev->Get<TEvDataShard::TEvSplitAck>()->Record.GetOperationCookie()]; 
-                break; 
-            } 
- 
-            return TTestActorRuntime::EEventAction::PROCESS; 
-        }); 
- 
-        auto waitForSplitAcks = [&](ui64 txId, ui32 count) { 
-            if (splitAcks[txId] != count) { 
-                TDispatchOptions opts; 
-                opts.FinalEvents.emplace_back([&](IEventHandle&) { 
-                    return splitAcks[txId] == count; 
-                }); 
-                server->GetRuntime()->DispatchEvents(opts); 
-            } 
-        }; 
- 
-        auto sendEnqueued = [&]() { 
-            preventEnqueueing = false; 
-            for (auto& ev : std::exchange(enqueued, TVector<THolder<IEventHandle>>())) { 
-                server->GetRuntime()->Send(ev.Release(), 0, true); 
-            } 
-        }; 
- 
-        CreateShardedTable(server, sender, "/Root", "Table", TableWithIndex(SimpleAsyncIndex())); 
-        SimulateSleep(server, TDuration::Seconds(1)); 
-        SetSplitMergePartCountLimit(&runtime, -1); 
- 
-        // split of main table 
-        ExecSQL(server, sender, R"( 
-            UPSERT INTO `/Root/Table` (pkey, ikey) VALUES 
-            (1, 10), 
-            (2, 20), 
-            (3, 30); 
-        )"); 
- 
-        auto tabletIds = GetTableShards(server, sender, "/Root/Table"); 
-        UNIT_ASSERT_VALUES_EQUAL(tabletIds.size(), 1); 
- 
-        auto txId = AsyncSplitTable(server, sender, "/Root/Table", tabletIds.at(0), 4); 
-        waitForSplitAcks(txId, 1); 
-        sendEnqueued(); 
- 
-        WaitTxNotification(server, sender, txId); 
-        WaitForContent(server, "/Root/Table/by_ikey/indexImplTable", 
-            "ikey = 10, pkey = 1\nikey = 20, pkey = 2\nikey = 30, pkey = 3"); 
- 
-        // merge of main table 
-        preventEnqueueing = true; 
-        ExecSQL(server, sender, R"( 
-            UPSERT INTO `/Root/Table` (pkey, ikey) VALUES 
-            (1, 11), 
-            (2, 21), 
-            (3, 31); 
-        )"); 
- 
-        tabletIds = GetTableShards(server, sender, "/Root/Table"); 
-        UNIT_ASSERT_VALUES_EQUAL(tabletIds.size(), 2); 
- 
-        txId = AsyncMergeTable(server, sender, "/Root/Table", tabletIds); 
-        waitForSplitAcks(txId, 2); 
- 
-        ExecSQL(server, sender, "UPSERT INTO `/Root/Table` (pkey, ikey) VALUES (3, 32);"); 
-        sendEnqueued(); 
- 
-        WaitTxNotification(server, sender, txId); 
-        WaitForContent(server, "/Root/Table/by_ikey/indexImplTable", 
-            "ikey = 11, pkey = 1\nikey = 21, pkey = 2\nikey = 32, pkey = 3"); 
- 
-        // split of index table 
-        preventEnqueueing = true; 
-        ExecSQL(server, sender, R"( 
-            UPSERT INTO `/Root/Table` (pkey, ikey) VALUES 
-            (1, 13), 
-            (2, 23), 
-            (3, 33); 
-        )"); 
- 
-        tabletIds = GetTableShards(server, sender, "/Root/Table/by_ikey/indexImplTable"); 
-        UNIT_ASSERT_VALUES_EQUAL(tabletIds.size(), 1); 
- 
-        txId = AsyncSplitTable(server, sender, "/Root/Table/by_ikey/indexImplTable", tabletIds.at(0), 40); 
-        waitForSplitAcks(txId, 1); 
- 
-        ExecSQL(server, sender, "UPSERT INTO `/Root/Table` (pkey, ikey) VALUES (4, 44);"); 
-        sendEnqueued(); 
- 
-        WaitTxNotification(server, sender, txId); 
-        WaitForContent(server, "/Root/Table/by_ikey/indexImplTable", 
-            "ikey = 13, pkey = 1\nikey = 23, pkey = 2\nikey = 33, pkey = 3\nikey = 44, pkey = 4"); 
- 
-        // merge of index table 
-        preventEnqueueing = true; 
-        ExecSQL(server, sender, R"( 
-            UPSERT INTO `/Root/Table` (pkey, ikey) VALUES 
-            (1, 15), 
-            (2, 25), 
-            (3, 35), 
-            (4, 45); 
-        )"); 
- 
-        tabletIds = GetTableShards(server, sender, "/Root/Table/by_ikey/indexImplTable"); 
-        UNIT_ASSERT_VALUES_EQUAL(tabletIds.size(), 2); 
- 
-        txId = AsyncMergeTable(server, sender, "/Root/Table/by_ikey/indexImplTable", tabletIds); 
-        waitForSplitAcks(txId, 2); 
-        sendEnqueued(); 
- 
-        WaitTxNotification(server, sender, txId); 
-        WaitForContent(server, "/Root/Table/by_ikey/indexImplTable", 
-            "ikey = 15, pkey = 1\nikey = 25, pkey = 2\nikey = 35, pkey = 3\nikey = 45, pkey = 4"); 
-    } 
- 
-    using TSetQueueLimitFunc = std::function<void(TServerSettings&)>; 
-    void ShouldRejectChangesOnQueueOverflow(TSetQueueLimitFunc setLimit) { 
-        TPortManager pm; 
-        TServerSettings serverSettings(pm.GetPort(2134)); 
-        serverSettings 
-            .SetDomainName("Root") 
-            .SetUseRealThreads(false) 
-            .SetEnableDataColumnForIndexTable(true) 
-            .SetEnableAsyncIndexes(true); 
-        setLimit(serverSettings); 
- 
-        TServer::TPtr server = new TServer(serverSettings); 
-        auto& runtime = *server->GetRuntime(); 
-        const TActorId sender = runtime.AllocateEdgeActor(); 
- 
-        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG); 
-        runtime.SetLogPriority(NKikimrServices::CHANGE_EXCHANGE, NLog::PRI_DEBUG); 
-        InitRoot(server, sender); 
- 
-        bool preventEnqueueing = true; 
-        TVector<THolder<IEventHandle>> enqueued; 
- 
-        runtime.SetObserverFunc([&](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) { 
-            switch (ev->GetTypeRewrite()) { 
-            case TEvChangeExchange::EvEnqueueRecords: 
-                if (preventEnqueueing) { 
-                    enqueued.emplace_back(ev.Release()); 
-                    return TTestActorRuntime::EEventAction::DROP; 
-                } else { 
-                    return TTestActorRuntime::EEventAction::PROCESS; 
-                } 
-            } 
- 
-            return TTestActorRuntime::EEventAction::PROCESS; 
-        }); 
- 
-        auto sendEnqueued = [&]() { 
-            preventEnqueueing = false; 
-            for (auto& ev : std::exchange(enqueued, TVector<THolder<IEventHandle>>())) { 
-                server->GetRuntime()->Send(ev.Release(), 0, true); 
-            } 
-        }; 
- 
-        CreateShardedTable(server, sender, "/Root", "Table", TableWithIndex(SimpleAsyncIndex())); 
- 
-        ExecSQL(server, sender, "UPSERT INTO `/Root/Table` (pkey, ikey) VALUES (1, 10);"); 
-        ExecSQL(server, sender, "UPSERT INTO `/Root/Table` (pkey, ikey) VALUES (2, 20);", true, Ydb::StatusIds::OVERLOADED); 
- 
-        sendEnqueued(); 
-        WaitForContent(server, "/Root/Table/by_ikey/indexImplTable", 
-            "ikey = 10, pkey = 1"); 
- 
-        ExecSQL(server, sender, "UPSERT INTO `/Root/Table` (pkey, ikey) VALUES (2, 20);"); 
-        WaitForContent(server, "/Root/Table/by_ikey/indexImplTable", 
-            "ikey = 10, pkey = 1\nikey = 20, pkey = 2"); 
-    } 
- 
-    Y_UNIT_TEST(ShouldRejectChangesOnQueueOverflowByCount) { 
-        ShouldRejectChangesOnQueueOverflow([](TServerSettings& opts) { 
-            opts.SetChangesQueueItemsLimit(1); 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(ShouldRejectChangesOnQueueOverflowBySize) { 
-        ShouldRejectChangesOnQueueOverflow([](TServerSettings& opts) { 
-            opts.SetChangesQueueBytesLimit(1); 
-        }); 
-    } 
-} 
- 
-} // NKikimr 
+            })
+        );
+    }
+
+    Y_UNIT_TEST(SenderShouldShakeHandsAfterAddingIndex) {
+        SenderShouldShakeHands("/Root/Table", 1, TableWoIndexes(), SimpleAsyncIndex());
+    }
+
+    void ShouldDeliverChanges(const TString& path, const TShardedTableOptions& opts,
+            TMaybe<TShardedTableOptions::TIndex> addIndex, const TVector<TString>& queries)
+    {
+        const auto pathParts = SplitPath(path);
+        UNIT_ASSERT(pathParts.size() > 1);
+
+        const auto domainName = pathParts.at(0);
+        const auto workingDir = CombinePath(pathParts.begin(), pathParts.begin() + pathParts.size() - 1);
+        const auto tableName = pathParts.at(pathParts.size() - 1);
+
+        TPortManager pm;
+        TServerSettings serverSettings(pm.GetPort(2134));
+        serverSettings
+            .SetDomainName(domainName)
+            .SetUseRealThreads(false)
+            .SetEnableDataColumnForIndexTable(true)
+            .SetEnableAsyncIndexes(true);
+
+        TServer::TPtr server = new TServer(serverSettings);
+        auto& runtime = *server->GetRuntime();
+        const TActorId sender = runtime.AllocateEdgeActor();
+
+        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG);
+        runtime.SetLogPriority(NKikimrServices::CHANGE_EXCHANGE, NLog::PRI_DEBUG);
+        InitRoot(server, sender);
+
+        THashSet<ui64> enqueued;
+        THashSet<ui64> requested;
+        THashSet<ui64> removed;
+
+        runtime.SetObserverFunc([&](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) {
+            switch (ev->GetTypeRewrite()) {
+            case TEvChangeExchange::EvEnqueueRecords:
+                for (const auto& record : ev->Get<TEvChangeExchange::TEvEnqueueRecords>()->Records) {
+                    enqueued.insert(record.Order);
+                }
+                break;
+
+            case TEvChangeExchange::EvRequestRecords:
+                for (const auto& record : ev->Get<TEvChangeExchange::TEvRequestRecords>()->Records) {
+                    requested.insert(record.Order);
+                }
+                break;
+
+            case TEvChangeExchange::EvRemoveRecords:
+                for (const auto& record : ev->Get<TEvChangeExchange::TEvRemoveRecords>()->Records) {
+                    removed.insert(record);
+                }
+                break;
+            }
+
+            return TTestActorRuntime::EEventAction::PROCESS;
+        });
+
+        CreateShardedTable(server, sender, workingDir, tableName, opts);
+        if (addIndex) {
+            WaitTxNotification(server, sender, AsyncAlterAddIndex(server, domainName, path, *addIndex));
+        }
+
+        for (const auto& query : queries) {
+            ExecSQL(server, sender, query);
+        }
+
+        if (removed.size() != queries.size()) {
+            TDispatchOptions opts;
+            opts.FinalEvents.emplace_back([&removed, expected = queries.size()](IEventHandle&) {
+                return removed.size() == expected;
+            });
+            server->GetRuntime()->DispatchEvents(opts);
+        }
+
+        UNIT_ASSERT_VALUES_EQUAL(enqueued.size(), requested.size());
+        UNIT_ASSERT_VALUES_EQUAL(enqueued.size(), removed.size());
+    }
+
+    Y_UNIT_TEST(ShouldDeliverChangesOnFreshTable) {
+        ShouldDeliverChanges("/Root/Table", TableWithIndex(SimpleAsyncIndex()), Nothing(), {
+            "INSERT INTO `/Root/Table` (pkey, ikey) VALUES (1, 10);",
+            "UPSERT INTO `/Root/Table` (pkey, ikey) VALUES (2, 20);",
+        });
+    }
+
+    Y_UNIT_TEST(ShouldDeliverChangesOnAlteredTable) {
+        ShouldDeliverChanges("/Root/Table", TableWoIndexes(), SimpleAsyncIndex(), {
+            "INSERT INTO `/Root/Table` (pkey, ikey) VALUES (1, 10);",
+            "DELETE FROM `/Root/Table` WHERE pkey = 1;",
+        });
+    }
+
+    Y_UNIT_TEST(ShouldRemoveRecordsAfterDroppingIndex) {
+        TPortManager pm;
+        TServerSettings serverSettings(pm.GetPort(2134));
+        serverSettings
+            .SetDomainName("Root")
+            .SetUseRealThreads(false)
+            .SetEnableDataColumnForIndexTable(true)
+            .SetEnableAsyncIndexes(true);
+
+        TServer::TPtr server = new TServer(serverSettings);
+        auto& runtime = *server->GetRuntime();
+        const TActorId sender = runtime.AllocateEdgeActor();
+
+        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG);
+        runtime.SetLogPriority(NKikimrServices::CHANGE_EXCHANGE, NLog::PRI_DEBUG);
+        InitRoot(server, sender);
+
+        bool preventActivation = true;
+        TVector<THolder<IEventHandle>> activations;
+
+        THashSet<ui64> enqueued;
+        THashSet<ui64> removed;
+
+        runtime.SetObserverFunc([&](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) {
+            switch (ev->GetTypeRewrite()) {
+            case TEvChangeExchange::EvActivateSender:
+                if (preventActivation) {
+                    activations.emplace_back(ev.Release());
+                    return TTestActorRuntime::EEventAction::DROP;
+                } else {
+                    return TTestActorRuntime::EEventAction::PROCESS;
+                }
+
+            case TEvChangeExchange::EvEnqueueRecords:
+                for (const auto& record : ev->Get<TEvChangeExchange::TEvEnqueueRecords>()->Records) {
+                    enqueued.insert(record.Order);
+                }
+                break;
+
+            case TEvChangeExchange::EvRemoveRecords:
+                for (const auto& record : ev->Get<TEvChangeExchange::TEvRemoveRecords>()->Records) {
+                    removed.insert(record);
+                }
+                break;
+            }
+
+            return TTestActorRuntime::EEventAction::PROCESS;
+        });
+
+        CreateShardedTable(server, sender, "/Root", "Table", TableWithIndex(SimpleAsyncIndex()));
+        ExecSQL(server, sender, "INSERT INTO `/Root/Table` (pkey, ikey) VALUES (1, 10);");
+        WaitTxNotification(server, sender, AsyncAlterDropIndex(server, "/Root", "Table", "by_ikey"));
+
+        if (activations.size() != 2 /* main + index */) {
+            TDispatchOptions opts;
+            opts.FinalEvents.emplace_back([&activations](IEventHandle&) {
+                return activations.size() == 2;
+            });
+            server->GetRuntime()->DispatchEvents(opts);
+        }
+
+        preventActivation = false;
+        for (auto& ev : activations) {
+            server->GetRuntime()->Send(ev.Release(), 0, true);
+        }
+
+        if (removed.size() != 1) {
+            TDispatchOptions opts;
+            opts.FinalEvents.emplace_back([&removed](IEventHandle&) {
+                return removed.size() == 1;
+            });
+            server->GetRuntime()->DispatchEvents(opts);
+        }
+
+        UNIT_ASSERT_VALUES_EQUAL(enqueued.size(), removed.size());
+    }
+
+    void WaitForContent(TServer::TPtr server, const TString& tablePath, const TString& expected) {
+        while (true) {
+            auto content = ReadShardedTable(server, tablePath);
+            if (StripInPlace(content) == expected) {
+                break;
+            } else {
+                SimulateSleep(server, TDuration::Seconds(1));
+            }
+        }
+    }
+
+    Y_UNIT_TEST(ShouldDeliverChangesOnSplitMerge) {
+        TPortManager pm;
+        TServerSettings serverSettings(pm.GetPort(2134));
+        serverSettings
+            .SetDomainName("Root")
+            .SetUseRealThreads(false)
+            .SetEnableDataColumnForIndexTable(true)
+            .SetEnableAsyncIndexes(true);
+
+        TServer::TPtr server = new TServer(serverSettings);
+        auto& runtime = *server->GetRuntime();
+        const TActorId sender = runtime.AllocateEdgeActor();
+
+        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG);
+        runtime.SetLogPriority(NKikimrServices::CHANGE_EXCHANGE, NLog::PRI_DEBUG);
+        InitRoot(server, sender);
+
+        bool preventEnqueueing = true;
+        TVector<THolder<IEventHandle>> enqueued;
+        THashMap<ui64, ui32> splitAcks;
+
+        runtime.SetObserverFunc([&](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) {
+            switch (ev->GetTypeRewrite()) {
+            case TEvChangeExchange::EvEnqueueRecords:
+                if (preventEnqueueing) {
+                    enqueued.emplace_back(ev.Release());
+                    return TTestActorRuntime::EEventAction::DROP;
+                } else {
+                    return TTestActorRuntime::EEventAction::PROCESS;
+                }
+
+            case TEvDataShard::EvSplitAck:
+                ++splitAcks[ev->Get<TEvDataShard::TEvSplitAck>()->Record.GetOperationCookie()];
+                break;
+            }
+
+            return TTestActorRuntime::EEventAction::PROCESS;
+        });
+
+        auto waitForSplitAcks = [&](ui64 txId, ui32 count) {
+            if (splitAcks[txId] != count) {
+                TDispatchOptions opts;
+                opts.FinalEvents.emplace_back([&](IEventHandle&) {
+                    return splitAcks[txId] == count;
+                });
+                server->GetRuntime()->DispatchEvents(opts);
+            }
+        };
+
+        auto sendEnqueued = [&]() {
+            preventEnqueueing = false;
+            for (auto& ev : std::exchange(enqueued, TVector<THolder<IEventHandle>>())) {
+                server->GetRuntime()->Send(ev.Release(), 0, true);
+            }
+        };
+
+        CreateShardedTable(server, sender, "/Root", "Table", TableWithIndex(SimpleAsyncIndex()));
+        SimulateSleep(server, TDuration::Seconds(1));
+        SetSplitMergePartCountLimit(&runtime, -1);
+
+        // split of main table
+        ExecSQL(server, sender, R"(
+            UPSERT INTO `/Root/Table` (pkey, ikey) VALUES
+            (1, 10),
+            (2, 20),
+            (3, 30);
+        )");
+
+        auto tabletIds = GetTableShards(server, sender, "/Root/Table");
+        UNIT_ASSERT_VALUES_EQUAL(tabletIds.size(), 1);
+
+        auto txId = AsyncSplitTable(server, sender, "/Root/Table", tabletIds.at(0), 4);
+        waitForSplitAcks(txId, 1);
+        sendEnqueued();
+
+        WaitTxNotification(server, sender, txId);
+        WaitForContent(server, "/Root/Table/by_ikey/indexImplTable",
+            "ikey = 10, pkey = 1\nikey = 20, pkey = 2\nikey = 30, pkey = 3");
+
+        // merge of main table
+        preventEnqueueing = true;
+        ExecSQL(server, sender, R"(
+            UPSERT INTO `/Root/Table` (pkey, ikey) VALUES
+            (1, 11),
+            (2, 21),
+            (3, 31);
+        )");
+
+        tabletIds = GetTableShards(server, sender, "/Root/Table");
+        UNIT_ASSERT_VALUES_EQUAL(tabletIds.size(), 2);
+
+        txId = AsyncMergeTable(server, sender, "/Root/Table", tabletIds);
+        waitForSplitAcks(txId, 2);
+
+        ExecSQL(server, sender, "UPSERT INTO `/Root/Table` (pkey, ikey) VALUES (3, 32);");
+        sendEnqueued();
+
+        WaitTxNotification(server, sender, txId);
+        WaitForContent(server, "/Root/Table/by_ikey/indexImplTable",
+            "ikey = 11, pkey = 1\nikey = 21, pkey = 2\nikey = 32, pkey = 3");
+
+        // split of index table
+        preventEnqueueing = true;
+        ExecSQL(server, sender, R"(
+            UPSERT INTO `/Root/Table` (pkey, ikey) VALUES
+            (1, 13),
+            (2, 23),
+            (3, 33);
+        )");
+
+        tabletIds = GetTableShards(server, sender, "/Root/Table/by_ikey/indexImplTable");
+        UNIT_ASSERT_VALUES_EQUAL(tabletIds.size(), 1);
+
+        txId = AsyncSplitTable(server, sender, "/Root/Table/by_ikey/indexImplTable", tabletIds.at(0), 40);
+        waitForSplitAcks(txId, 1);
+
+        ExecSQL(server, sender, "UPSERT INTO `/Root/Table` (pkey, ikey) VALUES (4, 44);");
+        sendEnqueued();
+
+        WaitTxNotification(server, sender, txId);
+        WaitForContent(server, "/Root/Table/by_ikey/indexImplTable",
+            "ikey = 13, pkey = 1\nikey = 23, pkey = 2\nikey = 33, pkey = 3\nikey = 44, pkey = 4");
+
+        // merge of index table
+        preventEnqueueing = true;
+        ExecSQL(server, sender, R"(
+            UPSERT INTO `/Root/Table` (pkey, ikey) VALUES
+            (1, 15),
+            (2, 25),
+            (3, 35),
+            (4, 45);
+        )");
+
+        tabletIds = GetTableShards(server, sender, "/Root/Table/by_ikey/indexImplTable");
+        UNIT_ASSERT_VALUES_EQUAL(tabletIds.size(), 2);
+
+        txId = AsyncMergeTable(server, sender, "/Root/Table/by_ikey/indexImplTable", tabletIds);
+        waitForSplitAcks(txId, 2);
+        sendEnqueued();
+
+        WaitTxNotification(server, sender, txId);
+        WaitForContent(server, "/Root/Table/by_ikey/indexImplTable",
+            "ikey = 15, pkey = 1\nikey = 25, pkey = 2\nikey = 35, pkey = 3\nikey = 45, pkey = 4");
+    }
+
+    using TSetQueueLimitFunc = std::function<void(TServerSettings&)>;
+    void ShouldRejectChangesOnQueueOverflow(TSetQueueLimitFunc setLimit) {
+        TPortManager pm;
+        TServerSettings serverSettings(pm.GetPort(2134));
+        serverSettings
+            .SetDomainName("Root")
+            .SetUseRealThreads(false)
+            .SetEnableDataColumnForIndexTable(true)
+            .SetEnableAsyncIndexes(true);
+        setLimit(serverSettings);
+
+        TServer::TPtr server = new TServer(serverSettings);
+        auto& runtime = *server->GetRuntime();
+        const TActorId sender = runtime.AllocateEdgeActor();
+
+        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG);
+        runtime.SetLogPriority(NKikimrServices::CHANGE_EXCHANGE, NLog::PRI_DEBUG);
+        InitRoot(server, sender);
+
+        bool preventEnqueueing = true;
+        TVector<THolder<IEventHandle>> enqueued;
+
+        runtime.SetObserverFunc([&](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) {
+            switch (ev->GetTypeRewrite()) {
+            case TEvChangeExchange::EvEnqueueRecords:
+                if (preventEnqueueing) {
+                    enqueued.emplace_back(ev.Release());
+                    return TTestActorRuntime::EEventAction::DROP;
+                } else {
+                    return TTestActorRuntime::EEventAction::PROCESS;
+                }
+            }
+
+            return TTestActorRuntime::EEventAction::PROCESS;
+        });
+
+        auto sendEnqueued = [&]() {
+            preventEnqueueing = false;
+            for (auto& ev : std::exchange(enqueued, TVector<THolder<IEventHandle>>())) {
+                server->GetRuntime()->Send(ev.Release(), 0, true);
+            }
+        };
+
+        CreateShardedTable(server, sender, "/Root", "Table", TableWithIndex(SimpleAsyncIndex()));
+
+        ExecSQL(server, sender, "UPSERT INTO `/Root/Table` (pkey, ikey) VALUES (1, 10);");
+        ExecSQL(server, sender, "UPSERT INTO `/Root/Table` (pkey, ikey) VALUES (2, 20);", true, Ydb::StatusIds::OVERLOADED);
+
+        sendEnqueued();
+        WaitForContent(server, "/Root/Table/by_ikey/indexImplTable",
+            "ikey = 10, pkey = 1");
+
+        ExecSQL(server, sender, "UPSERT INTO `/Root/Table` (pkey, ikey) VALUES (2, 20);");
+        WaitForContent(server, "/Root/Table/by_ikey/indexImplTable",
+            "ikey = 10, pkey = 1\nikey = 20, pkey = 2");
+    }
+
+    Y_UNIT_TEST(ShouldRejectChangesOnQueueOverflowByCount) {
+        ShouldRejectChangesOnQueueOverflow([](TServerSettings& opts) {
+            opts.SetChangesQueueItemsLimit(1);
+        });
+    }
+
+    Y_UNIT_TEST(ShouldRejectChangesOnQueueOverflowBySize) {
+        ShouldRejectChangesOnQueueOverflow([](TServerSettings& opts) {
+            opts.SetChangesQueueBytesLimit(1);
+        });
+    }
+}
+
+} // NKikimr
diff --git a/ydb/core/tx/datashard/datashard_ut_common.cpp b/ydb/core/tx/datashard/datashard_ut_common.cpp
index 2cde01573d..d754f7ad0e 100644
--- a/ydb/core/tx/datashard/datashard_ut_common.cpp
+++ b/ydb/core/tx/datashard/datashard_ut_common.cpp
@@ -41,20 +41,20 @@ void TTester::Setup(TTestActorRuntime& runtime, const TOptions& opts) {
 
     app.SetEnableMvcc(opts.Mvcc);
 
-    auto domain = TDomainsInfo::TDomain::ConstructDomainWithExplicitTabletIds( 
+    auto domain = TDomainsInfo::TDomain::ConstructDomainWithExplicitTabletIds(
                       "dc-1", domainId, FAKE_SCHEMESHARD_TABLET_ID,
                       domainId, domainId, TVector<ui32>{domainId},
                       domainId, TVector<ui32>{domainId},
                       planResolution,
                       TVector<ui64>{TDomainsInfo::MakeTxCoordinatorIDFixed(domainId, 1)},
                       TVector<ui64>{},
-                      TVector<ui64>{TDomainsInfo::MakeTxAllocatorIDFixed(domainId, 1)}); 
+                      TVector<ui64>{TDomainsInfo::MakeTxAllocatorIDFixed(domainId, 1)});
 
-    TVector<ui64> ids = runtime.GetTxAllocatorTabletIds(); 
-    ids.insert(ids.end(), domain->TxAllocators.begin(), domain->TxAllocators.end()); 
-    runtime.SetTxAllocatorTabletIds(ids); 
- 
-    app.AddDomain(domain.Release()); 
+    TVector<ui64> ids = runtime.GetTxAllocatorTabletIds();
+    ids.insert(ids.end(), domain->TxAllocators.begin(), domain->TxAllocators.end());
+    runtime.SetTxAllocatorTabletIds(ids);
+
+    app.AddDomain(domain.Release());
     SetupTabletServices(runtime, &app);
 }
 
@@ -1091,7 +1091,7 @@ void CreateShardedTable(Tests::TServer::TPtr server,
                         TActorId sender,
                         const TString &root,
                         const TString &name,
-                        const TShardedTableOptions &opts) 
+                        const TShardedTableOptions &opts)
 {
     auto &runtime = *server->GetRuntime();
     auto &settings = server->GetSettings();
@@ -1104,56 +1104,56 @@ void CreateShardedTable(Tests::TServer::TPtr server,
         request->Record.SetExecTimeoutPeriod(Max<ui64>());
         auto &tx = *request->Record.MutableTransaction()->MutableModifyScheme();
         tx.SetWorkingDir(root);
- 
+
         NKikimrSchemeOp::TTableDescription* desc = nullptr;
-        if (opts.Indexes_) { 
+        if (opts.Indexes_) {
             tx.SetOperationType(NKikimrSchemeOp::ESchemeOpCreateIndexedTable);
-            desc = tx.MutableCreateIndexedTable()->MutableTableDescription(); 
-        } else { 
+            desc = tx.MutableCreateIndexedTable()->MutableTableDescription();
+        } else {
             tx.SetOperationType(NKikimrSchemeOp::ESchemeOpCreateTable);
-            desc = tx.MutableCreateTable(); 
-        } 
- 
-        desc->SetName(name); 
- 
-        for (const auto& column : opts.Columns_) { 
-            auto col = desc->AddColumns(); 
-            col->SetName(column.Name); 
-            col->SetType(column.Type); 
+            desc = tx.MutableCreateTable();
+        }
+
+        desc->SetName(name);
+
+        for (const auto& column : opts.Columns_) {
+            auto col = desc->AddColumns();
+            col->SetName(column.Name);
+            col->SetType(column.Type);
             col->SetNotNull(column.NotNull);
-            if (column.IsKey) { 
-                desc->AddKeyColumnNames(column.Name); 
-            } 
+            if (column.IsKey) {
+                desc->AddKeyColumnNames(column.Name);
+            }
+        }
+
+        for (const auto& index : opts.Indexes_) {
+            auto* indexDesc = tx.MutableCreateIndexedTable()->MutableIndexDescription()->Add();
+
+            indexDesc->SetName(index.Name);
+            indexDesc->SetType(index.Type);
+
+            for (const auto& col : index.IndexColumns) {
+                indexDesc->AddKeyColumnNames(col);
+            }
+            for (const auto& col : index.DataColumns) {
+                indexDesc->AddDataColumnNames(col);
+            }
         }
 
-        for (const auto& index : opts.Indexes_) { 
-            auto* indexDesc = tx.MutableCreateIndexedTable()->MutableIndexDescription()->Add(); 
- 
-            indexDesc->SetName(index.Name); 
-            indexDesc->SetType(index.Type); 
- 
-            for (const auto& col : index.IndexColumns) { 
-                indexDesc->AddKeyColumnNames(col); 
-            } 
-            for (const auto& col : index.DataColumns) { 
-                indexDesc->AddDataColumnNames(col); 
-            } 
-        } 
- 
-        desc->SetUniformPartitionsCount(opts.Shards_); 
- 
-        if (!opts.EnableOutOfOrder_) 
-            desc->MutablePartitionConfig()->MutablePipelineConfig()->SetEnableOutOfOrder(false); 
-
-        if (opts.Policy_) { 
-            opts.Policy_->Serialize(*desc->MutablePartitionConfig()->MutableCompactionPolicy()); 
+        desc->SetUniformPartitionsCount(opts.Shards_);
+
+        if (!opts.EnableOutOfOrder_)
+            desc->MutablePartitionConfig()->MutablePipelineConfig()->SetEnableOutOfOrder(false);
+
+        if (opts.Policy_) {
+            opts.Policy_->Serialize(*desc->MutablePartitionConfig()->MutableCompactionPolicy());
         }
 
-        switch (opts.ShadowData_) { 
+        switch (opts.ShadowData_) {
             case EShadowDataMode::Default:
                 break;
             case EShadowDataMode::Enabled:
-                desc->MutablePartitionConfig()->SetShadowData(true); 
+                desc->MutablePartitionConfig()->SetShadowData(true);
                 break;
         }
 
@@ -1182,23 +1182,23 @@ void CreateShardedTable(Tests::TServer::TPtr server,
     }
 }
 
-void CreateShardedTable(Tests::TServer::TPtr server, 
+void CreateShardedTable(Tests::TServer::TPtr server,
                         TActorId sender,
-                        const TString &root, 
-                        const TString &name, 
-                        ui64 shards, 
-                        bool enableOutOfOrder, 
-                        const NLocalDb::TCompactionPolicy* policy, 
-                        EShadowDataMode shadowData) 
-{ 
-    auto opts = TShardedTableOptions() 
-        .Shards(shards) 
-        .EnableOutOfOrder(enableOutOfOrder) 
-        .Policy(policy) 
-        .ShadowData(shadowData); 
-    CreateShardedTable(server, sender, root, name, opts); 
-} 
- 
+                        const TString &root,
+                        const TString &name,
+                        ui64 shards,
+                        bool enableOutOfOrder,
+                        const NLocalDb::TCompactionPolicy* policy,
+                        EShadowDataMode shadowData)
+{
+    auto opts = TShardedTableOptions()
+        .Shards(shards)
+        .EnableOutOfOrder(enableOutOfOrder)
+        .Policy(policy)
+        .ShadowData(shadowData);
+    CreateShardedTable(server, sender, root, name, opts);
+}
+
 NKikimrScheme::TEvDescribeSchemeResult DescribeTable(Tests::TServer::TPtr server,
                                                      TActorId sender,
                                                      const TString &path)
@@ -1209,7 +1209,7 @@ NKikimrScheme::TEvDescribeSchemeResult DescribeTable(Tests::TServer::TPtr server
 
     auto request = MakeHolder<TEvTxUserProxy::TEvNavigate>();
     request->Record.MutableDescribePath()->SetPath(path);
-    request->Record.MutableDescribePath()->MutableOptions()->SetShowPrivateTable(true); 
+    request->Record.MutableDescribePath()->MutableOptions()->SetShowPrivateTable(true);
     runtime.Send(new IEventHandle(MakeTxProxyID(), sender, request.Release()));
     auto reply = runtime.GrabEdgeEventRethrow<TEvSchemeShard::TEvDescribeSchemeResult>(handle);
 
@@ -1263,7 +1263,7 @@ TTableId ResolveTableId(
         auto& entry = request->ResultSet.emplace_back();
         entry.Path = SplitPath(path);
         entry.Operation = NSchemeCache::TSchemeCacheNavigate::OpTable;
-        entry.ShowPrivatePath = true; 
+        entry.ShowPrivatePath = true;
         runtime.Send(new IEventHandle(MakeSchemeCacheID(), sender, new TEvTxProxySchemeCache::TEvNavigateKeySet(request)));
     }
 
@@ -1573,121 +1573,121 @@ ui64 AsyncAlterAndDisableShadow(
     return ev->Get()->Record.GetTxId();
 }
 
-ui64 AsyncAlterAddIndex( 
-        Tests::TServer::TPtr server, 
-        const TString& dbName, 
-        const TString& tablePath, 
-        const TShardedTableOptions::TIndex& indexDesc) 
-{ 
-    auto &runtime = *server->GetRuntime(); 
-    auto &settings = server->GetSettings(); 
-    auto sender = runtime.AllocateEdgeActor(); 
- 
-    runtime.Send(new IEventHandle(MakeTxProxyID(), sender, new TEvTxUserProxy::TEvAllocateTxId())); 
-    auto ev = runtime.GrabEdgeEventRethrow<TEvTxUserProxy::TEvAllocateTxIdResult>(sender); 
-    const auto txId = ev->Get()->TxId; 
- 
-    NKikimrIndexBuilder::TIndexBuildSettings buildSettings; 
-    buildSettings.set_source_path(tablePath); 
- 
-    Ydb::Table::TableIndex& index = *buildSettings.mutable_index(); 
-    index.set_name(indexDesc.Name); 
-    *index.mutable_index_columns() = {indexDesc.IndexColumns.begin(), indexDesc.IndexColumns.end()}; 
-    *index.mutable_data_columns() = {indexDesc.DataColumns.begin(), indexDesc.DataColumns.end()}; 
- 
-    switch (indexDesc.Type) { 
+ui64 AsyncAlterAddIndex(
+        Tests::TServer::TPtr server,
+        const TString& dbName,
+        const TString& tablePath,
+        const TShardedTableOptions::TIndex& indexDesc)
+{
+    auto &runtime = *server->GetRuntime();
+    auto &settings = server->GetSettings();
+    auto sender = runtime.AllocateEdgeActor();
+
+    runtime.Send(new IEventHandle(MakeTxProxyID(), sender, new TEvTxUserProxy::TEvAllocateTxId()));
+    auto ev = runtime.GrabEdgeEventRethrow<TEvTxUserProxy::TEvAllocateTxIdResult>(sender);
+    const auto txId = ev->Get()->TxId;
+
+    NKikimrIndexBuilder::TIndexBuildSettings buildSettings;
+    buildSettings.set_source_path(tablePath);
+
+    Ydb::Table::TableIndex& index = *buildSettings.mutable_index();
+    index.set_name(indexDesc.Name);
+    *index.mutable_index_columns() = {indexDesc.IndexColumns.begin(), indexDesc.IndexColumns.end()};
+    *index.mutable_data_columns() = {indexDesc.DataColumns.begin(), indexDesc.DataColumns.end()};
+
+    switch (indexDesc.Type) {
     case NKikimrSchemeOp::EIndexTypeGlobal:
-        *index.mutable_global_index() = Ydb::Table::GlobalIndex(); 
-        break; 
+        *index.mutable_global_index() = Ydb::Table::GlobalIndex();
+        break;
     case NKikimrSchemeOp::EIndexTypeGlobalAsync:
-        *index.mutable_global_async_index() = Ydb::Table::GlobalAsyncIndex(); 
-        break; 
-    default: 
-        UNIT_ASSERT_C(false, "Unknown index type: " << static_cast<ui32>(indexDesc.Type)); 
-    } 
- 
-    auto req = MakeHolder<TEvIndexBuilder::TEvCreateRequest>(txId, dbName, std::move(buildSettings)); 
-    auto tabletId = ChangeStateStorage(SchemeRoot, settings.Domain); 
-    runtime.SendToPipe(tabletId, sender, req.Release(), 0, GetPipeConfigWithRetries()); 
- 
-    auto resp = runtime.GrabEdgeEventRethrow<TEvIndexBuilder::TEvCreateResponse>(sender); 
-    UNIT_ASSERT_EQUAL(resp->Get()->Record.GetStatus(), Ydb::StatusIds::SUCCESS); 
-    return txId; 
-} 
- 
-ui64 AsyncAlterDropIndex( 
-        Tests::TServer::TPtr server, 
-        const TString& workingDir, 
-        const TString& tableName, 
-        const TString& indexName) 
-{ 
-    auto &runtime = *server->GetRuntime(); 
-    auto sender = runtime.AllocateEdgeActor(); 
- 
-    auto request = MakeHolder<TEvTxUserProxy::TEvProposeTransaction>(); 
-    request->Record.SetExecTimeoutPeriod(Max<ui64>()); 
-    auto &tx = *request->Record.MutableTransaction()->MutableModifyScheme(); 
+        *index.mutable_global_async_index() = Ydb::Table::GlobalAsyncIndex();
+        break;
+    default:
+        UNIT_ASSERT_C(false, "Unknown index type: " << static_cast<ui32>(indexDesc.Type));
+    }
+
+    auto req = MakeHolder<TEvIndexBuilder::TEvCreateRequest>(txId, dbName, std::move(buildSettings));
+    auto tabletId = ChangeStateStorage(SchemeRoot, settings.Domain);
+    runtime.SendToPipe(tabletId, sender, req.Release(), 0, GetPipeConfigWithRetries());
+
+    auto resp = runtime.GrabEdgeEventRethrow<TEvIndexBuilder::TEvCreateResponse>(sender);
+    UNIT_ASSERT_EQUAL(resp->Get()->Record.GetStatus(), Ydb::StatusIds::SUCCESS);
+    return txId;
+}
+
+ui64 AsyncAlterDropIndex(
+        Tests::TServer::TPtr server,
+        const TString& workingDir,
+        const TString& tableName,
+        const TString& indexName)
+{
+    auto &runtime = *server->GetRuntime();
+    auto sender = runtime.AllocateEdgeActor();
+
+    auto request = MakeHolder<TEvTxUserProxy::TEvProposeTransaction>();
+    request->Record.SetExecTimeoutPeriod(Max<ui64>());
+    auto &tx = *request->Record.MutableTransaction()->MutableModifyScheme();
     tx.SetOperationType(NKikimrSchemeOp::ESchemeOpDropIndex);
-    tx.SetWorkingDir(workingDir); 
-    auto &desc = *tx.MutableDropIndex(); 
-    desc.SetTableName(tableName); 
-    desc.SetIndexName(indexName); 
- 
-    runtime.Send(new IEventHandle(MakeTxProxyID(), sender, request.Release())); 
-    auto ev = runtime.GrabEdgeEventRethrow<TEvTxUserProxy::TEvProposeTransactionStatus>(sender); 
-    UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), TEvTxUserProxy::TEvProposeTransactionStatus::EStatus::ExecInProgress); 
-    return ev->Get()->Record.GetTxId(); 
-} 
- 
-ui64 AsyncAlterAddStream( 
-        Tests::TServer::TPtr server, 
-        const TString& workingDir, 
-        const TString& tableName, 
-        const TShardedTableOptions::TCdcStream& streamDesc) 
-{ 
-    auto &runtime = *server->GetRuntime(); 
-    auto sender = runtime.AllocateEdgeActor(); 
- 
-    auto request = MakeHolder<TEvTxUserProxy::TEvProposeTransaction>(); 
-    request->Record.SetExecTimeoutPeriod(Max<ui64>()); 
-    auto &tx = *request->Record.MutableTransaction()->MutableModifyScheme(); 
+    tx.SetWorkingDir(workingDir);
+    auto &desc = *tx.MutableDropIndex();
+    desc.SetTableName(tableName);
+    desc.SetIndexName(indexName);
+
+    runtime.Send(new IEventHandle(MakeTxProxyID(), sender, request.Release()));
+    auto ev = runtime.GrabEdgeEventRethrow<TEvTxUserProxy::TEvProposeTransactionStatus>(sender);
+    UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), TEvTxUserProxy::TEvProposeTransactionStatus::EStatus::ExecInProgress);
+    return ev->Get()->Record.GetTxId();
+}
+
+ui64 AsyncAlterAddStream(
+        Tests::TServer::TPtr server,
+        const TString& workingDir,
+        const TString& tableName,
+        const TShardedTableOptions::TCdcStream& streamDesc)
+{
+    auto &runtime = *server->GetRuntime();
+    auto sender = runtime.AllocateEdgeActor();
+
+    auto request = MakeHolder<TEvTxUserProxy::TEvProposeTransaction>();
+    request->Record.SetExecTimeoutPeriod(Max<ui64>());
+    auto &tx = *request->Record.MutableTransaction()->MutableModifyScheme();
     tx.SetOperationType(NKikimrSchemeOp::ESchemeOpCreateCdcStream);
-    tx.SetWorkingDir(workingDir); 
-    auto &desc = *tx.MutableCreateCdcStream(); 
-    desc.SetTableName(tableName); 
-    desc.MutableStreamDescription()->SetName(streamDesc.Name); 
-    desc.MutableStreamDescription()->SetMode(streamDesc.Mode); 
- 
-    runtime.Send(new IEventHandle(MakeTxProxyID(), sender, request.Release())); 
-    auto ev = runtime.GrabEdgeEventRethrow<TEvTxUserProxy::TEvProposeTransactionStatus>(sender); 
-    UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), TEvTxUserProxy::TEvProposeTransactionStatus::EStatus::ExecInProgress); 
-    return ev->Get()->Record.GetTxId(); 
-} 
- 
-ui64 AsyncAlterDropStream( 
-        Tests::TServer::TPtr server, 
-        const TString& workingDir, 
-        const TString& tableName, 
-        const TString& streamName) 
-{ 
-    auto &runtime = *server->GetRuntime(); 
-    auto sender = runtime.AllocateEdgeActor(); 
- 
-    auto request = MakeHolder<TEvTxUserProxy::TEvProposeTransaction>(); 
-    request->Record.SetExecTimeoutPeriod(Max<ui64>()); 
-    auto &tx = *request->Record.MutableTransaction()->MutableModifyScheme(); 
+    tx.SetWorkingDir(workingDir);
+    auto &desc = *tx.MutableCreateCdcStream();
+    desc.SetTableName(tableName);
+    desc.MutableStreamDescription()->SetName(streamDesc.Name);
+    desc.MutableStreamDescription()->SetMode(streamDesc.Mode);
+
+    runtime.Send(new IEventHandle(MakeTxProxyID(), sender, request.Release()));
+    auto ev = runtime.GrabEdgeEventRethrow<TEvTxUserProxy::TEvProposeTransactionStatus>(sender);
+    UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), TEvTxUserProxy::TEvProposeTransactionStatus::EStatus::ExecInProgress);
+    return ev->Get()->Record.GetTxId();
+}
+
+ui64 AsyncAlterDropStream(
+        Tests::TServer::TPtr server,
+        const TString& workingDir,
+        const TString& tableName,
+        const TString& streamName)
+{
+    auto &runtime = *server->GetRuntime();
+    auto sender = runtime.AllocateEdgeActor();
+
+    auto request = MakeHolder<TEvTxUserProxy::TEvProposeTransaction>();
+    request->Record.SetExecTimeoutPeriod(Max<ui64>());
+    auto &tx = *request->Record.MutableTransaction()->MutableModifyScheme();
     tx.SetOperationType(NKikimrSchemeOp::ESchemeOpDropCdcStream);
-    tx.SetWorkingDir(workingDir); 
-    auto &desc = *tx.MutableDropCdcStream(); 
-    desc.SetTableName(tableName); 
-    desc.SetStreamName(streamName); 
- 
-    runtime.Send(new IEventHandle(MakeTxProxyID(), sender, request.Release())); 
-    auto ev = runtime.GrabEdgeEventRethrow<TEvTxUserProxy::TEvProposeTransactionStatus>(sender); 
-    UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), TEvTxUserProxy::TEvProposeTransactionStatus::EStatus::ExecInProgress); 
-    return ev->Get()->Record.GetTxId(); 
-} 
- 
+    tx.SetWorkingDir(workingDir);
+    auto &desc = *tx.MutableDropCdcStream();
+    desc.SetTableName(tableName);
+    desc.SetStreamName(streamName);
+
+    runtime.Send(new IEventHandle(MakeTxProxyID(), sender, request.Release()));
+    auto ev = runtime.GrabEdgeEventRethrow<TEvTxUserProxy::TEvProposeTransactionStatus>(sender);
+    UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), TEvTxUserProxy::TEvProposeTransactionStatus::EStatus::ExecInProgress);
+    return ev->Get()->Record.GetTxId();
+}
+
 void WaitTxNotification(Tests::TServer::TPtr server, TActorId sender, ui64 txId) {
     auto &runtime = *server->GetRuntime();
     auto &settings = server->GetSettings();
@@ -1844,7 +1844,7 @@ namespace {
                                 Result << ", ";
                             }
                             Result << columns[idx].Name << " = ";
-                            PrintValue(Result, parser.ColumnParser(idx)); 
+                            PrintValue(Result, parser.ColumnParser(idx));
                         }
                         Result << Endl;
                     }
@@ -1909,49 +1909,49 @@ namespace {
             }
         }
 
-        static void PrintValue(TStringBuilder& out, NYdb::TValueParser& parser) { 
-            switch (parser.GetKind()) { 
-            case NYdb::TTypeParser::ETypeKind::Optional: 
-                parser.OpenOptional(); 
-                if (parser.IsNull()) { 
-                    out << "(empty maybe)"; 
-                } else { 
-                    PrintValue(out, parser); 
-                } 
-                parser.CloseOptional(); 
-                break; 
- 
-            case NYdb::TTypeParser::ETypeKind::Primitive: 
-                PrintPrimitive(out, parser); 
-                break; 
- 
-            default: 
-                Y_FAIL("Unhandled"); 
-            } 
-        } 
- 
-        static void PrintPrimitive(TStringBuilder& out, const NYdb::TValueParser& parser) { 
-            #define PRINT_PRIMITIVE(type) \ 
-                case NYdb::EPrimitiveType::type: \ 
-                    out << parser.Get##type(); \ 
-                    break 
- 
-            switch (parser.GetPrimitiveType()) { 
-            PRINT_PRIMITIVE(Uint32); 
-            PRINT_PRIMITIVE(Uint64); 
-            PRINT_PRIMITIVE(Date); 
-            PRINT_PRIMITIVE(Datetime); 
-            PRINT_PRIMITIVE(Timestamp); 
-            PRINT_PRIMITIVE(String); 
-            PRINT_PRIMITIVE(DyNumber); 
- 
-            default: 
-                Y_FAIL("Unhandled"); 
-            } 
- 
-            #undef PRINT_PRIMITIVE 
-        } 
- 
+        static void PrintValue(TStringBuilder& out, NYdb::TValueParser& parser) {
+            switch (parser.GetKind()) {
+            case NYdb::TTypeParser::ETypeKind::Optional:
+                parser.OpenOptional();
+                if (parser.IsNull()) {
+                    out << "(empty maybe)";
+                } else {
+                    PrintValue(out, parser);
+                }
+                parser.CloseOptional();
+                break;
+
+            case NYdb::TTypeParser::ETypeKind::Primitive:
+                PrintPrimitive(out, parser);
+                break;
+
+            default:
+                Y_FAIL("Unhandled");
+            }
+        }
+
+        static void PrintPrimitive(TStringBuilder& out, const NYdb::TValueParser& parser) {
+            #define PRINT_PRIMITIVE(type) \
+                case NYdb::EPrimitiveType::type: \
+                    out << parser.Get##type(); \
+                    break
+
+            switch (parser.GetPrimitiveType()) {
+            PRINT_PRIMITIVE(Uint32);
+            PRINT_PRIMITIVE(Uint64);
+            PRINT_PRIMITIVE(Date);
+            PRINT_PRIMITIVE(Datetime);
+            PRINT_PRIMITIVE(Timestamp);
+            PRINT_PRIMITIVE(String);
+            PRINT_PRIMITIVE(DyNumber);
+
+            default:
+                Y_FAIL("Unhandled");
+            }
+
+            #undef PRINT_PRIMITIVE
+        }
+
     private:
         struct TPendingRequest {
             TActorId Sender;
diff --git a/ydb/core/tx/datashard/datashard_ut_common.h b/ydb/core/tx/datashard/datashard_ut_common.h
index 8a7cdf4fa1..4b5d7fe4ea 100644
--- a/ydb/core/tx/datashard/datashard_ut_common.h
+++ b/ydb/core/tx/datashard/datashard_ut_common.h
@@ -21,7 +21,7 @@ class TFakeMiniKQLProxy;
 class TFakeProxyTx;
 
 constexpr ui64 FAKE_SCHEMESHARD_TABLET_ID = 4200;
-constexpr ui64 FAKE_TX_ALLOCATOR_TABLET_ID = 4201; 
+constexpr ui64 FAKE_TX_ALLOCATOR_TABLET_ID = 4201;
 
 ///
 class TTester : public TNonCopyable {
@@ -367,61 +367,61 @@ enum class EShadowDataMode {
     Enabled,
 };
 
-struct TShardedTableOptions { 
-    using TSelf = TShardedTableOptions; 
- 
-    struct TColumn { 
+struct TShardedTableOptions {
+    using TSelf = TShardedTableOptions;
+
+    struct TColumn {
         TColumn(const TString& name, const TString& type, bool isKey, bool notNull)
             : Name(name)
             , Type(type)
             , IsKey(isKey)
             , NotNull(notNull) {}
 
-        TString Name; 
-        TString Type; 
-        bool IsKey; 
+        TString Name;
+        TString Type;
+        bool IsKey;
         bool NotNull;
-    }; 
- 
-    struct TIndex { 
+    };
+
+    struct TIndex {
         using EType = NKikimrSchemeOp::EIndexType;
- 
-        TString Name; 
-        TVector<TString> IndexColumns; 
-        TVector<TString> DataColumns = {}; 
-        EType Type = EType::EIndexTypeGlobal; 
-    }; 
- 
-    struct TCdcStream { 
+
+        TString Name;
+        TVector<TString> IndexColumns;
+        TVector<TString> DataColumns = {};
+        EType Type = EType::EIndexTypeGlobal;
+    };
+
+    struct TCdcStream {
         using EMode = NKikimrSchemeOp::ECdcStreamMode;
- 
-        TString Name; 
-        EMode Mode; 
-    }; 
- 
+
+        TString Name;
+        EMode Mode;
+    };
+
 #define TABLE_OPTION_IMPL(type, name, defaultValue) \
     TSelf& name(type value) {\
         name##_ = std::move(value); \
-        return *this; \ 
-    } \ 
-    type name##_ = defaultValue 
- 
+        return *this; \
+    } \
+    type name##_ = defaultValue
+
 #define TABLE_OPTION(type, name, defaultValue) TABLE_OPTION_IMPL(type, name, defaultValue)
- 
-    TABLE_OPTION(ui64, Shards, 1); 
-    TABLE_OPTION(bool, EnableOutOfOrder, true); 
+
+    TABLE_OPTION(ui64, Shards, 1);
+    TABLE_OPTION(bool, EnableOutOfOrder, true);
     TABLE_OPTION(const NLocalDb::TCompactionPolicy*, Policy, nullptr);
-    TABLE_OPTION(EShadowDataMode, ShadowData, EShadowDataMode::Default); 
+    TABLE_OPTION(EShadowDataMode, ShadowData, EShadowDataMode::Default);
     TABLE_OPTION(TVector<TColumn>, Columns, (TVector<TColumn>{{"key", "Uint32", true, false}, {"value", "Uint32", false, false}}));
-    TABLE_OPTION(TVector<TIndex>, Indexes, {}); 
+    TABLE_OPTION(TVector<TIndex>, Indexes, {});
     TABLE_OPTION(ui64, Followers, 0);
     TABLE_OPTION(bool, FollowerPromotion, false);
     TABLE_OPTION(bool, ExternalStorage, false);
- 
-#undef TABLE_OPTION 
-#undef TABLE_OPTION_IMPL 
-}; 
- 
+
+#undef TABLE_OPTION
+#undef TABLE_OPTION_IMPL
+};
+
 #define Y_UNIT_TEST_WITH_MVCC_IMPL(N, OPT)                                                                         \
     template<bool OPT> void N(NUnitTest::TTestContext&);                                                           \
     struct TTestRegistration##N {                                                                                  \
@@ -455,12 +455,12 @@ void CreateShardedTable(Tests::TServer::TPtr server,
                         TActorId sender,
                         const TString &root,
                         const TString &name,
-                        const TShardedTableOptions &opts = TShardedTableOptions()); 
- 
-void CreateShardedTable(Tests::TServer::TPtr server, 
+                        const TShardedTableOptions &opts = TShardedTableOptions());
+
+void CreateShardedTable(Tests::TServer::TPtr server,
                         TActorId sender,
-                        const TString &root, 
-                        const TString &name, 
+                        const TString &root,
+                        const TString &name,
                         ui64 shards,
                         bool enableOutOfOrder = true,
                         const NLocalDb::TCompactionPolicy* policy = nullptr,
@@ -550,30 +550,30 @@ ui64 AsyncAlterAndDisableShadow(
         const TString& name,
         const NLocalDb::TCompactionPolicy* policy = nullptr);
 
-ui64 AsyncAlterAddIndex( 
-        Tests::TServer::TPtr server, 
-        const TString& dbName, 
-        const TString& tablePath, 
-        const TShardedTableOptions::TIndex& indexDesc); 
- 
-ui64 AsyncAlterDropIndex( 
-        Tests::TServer::TPtr server, 
-        const TString& workingDir, 
-        const TString& tableName, 
-        const TString& indexName); 
- 
-ui64 AsyncAlterAddStream( 
-        Tests::TServer::TPtr server, 
-        const TString& workingDir, 
-        const TString& tableName, 
-        const TShardedTableOptions::TCdcStream& streamDesc); 
- 
-ui64 AsyncAlterDropStream( 
-        Tests::TServer::TPtr server, 
-        const TString& workingDir, 
-        const TString& tableName, 
-        const TString& streamName); 
- 
+ui64 AsyncAlterAddIndex(
+        Tests::TServer::TPtr server,
+        const TString& dbName,
+        const TString& tablePath,
+        const TShardedTableOptions::TIndex& indexDesc);
+
+ui64 AsyncAlterDropIndex(
+        Tests::TServer::TPtr server,
+        const TString& workingDir,
+        const TString& tableName,
+        const TString& indexName);
+
+ui64 AsyncAlterAddStream(
+        Tests::TServer::TPtr server,
+        const TString& workingDir,
+        const TString& tableName,
+        const TShardedTableOptions::TCdcStream& streamDesc);
+
+ui64 AsyncAlterDropStream(
+        Tests::TServer::TPtr server,
+        const TString& workingDir,
+        const TString& tableName,
+        const TString& streamName);
+
 struct TReadShardedTableState {
     TActorId Sender;
     TActorId Worker;
diff --git a/ydb/core/tx/datashard/datashard_ut_erase_rows.cpp b/ydb/core/tx/datashard/datashard_ut_erase_rows.cpp
index 32ac4dc8ac..87a51ef80a 100644
--- a/ydb/core/tx/datashard/datashard_ut_erase_rows.cpp
+++ b/ydb/core/tx/datashard/datashard_ut_erase_rows.cpp
@@ -1,1767 +1,1767 @@
-#include "defs.h" 
-#include "datashard_distributed_erase.h" 
-#include "datashard_ut_common.h" 
-#include "datashard_ut_common_kqp.h" 
- 
+#include "defs.h"
+#include "datashard_distributed_erase.h"
+#include "datashard_ut_common.h"
+#include "datashard_ut_common_kqp.h"
+
 #include <ydb/core/kqp/ut/common/kqp_ut_common.h>
 #include <ydb/core/tx/scheme_cache/scheme_cache.h>
 #include <ydb/core/tx/tx_proxy/proxy.h>
 #include <ydb/core/tx/tx.h>
- 
-#include <util/generic/bitmap.h> 
-#include <util/string/printf.h> 
-#include <util/string/strip.h> 
- 
-namespace NKikimr { 
- 
+
+#include <util/generic/bitmap.h>
+#include <util/string/printf.h>
+#include <util/string/strip.h>
+
+namespace NKikimr {
+
 using namespace NDataShard::NKqpHelpers;
-using namespace Tests; 
- 
-struct TProto { 
-    using TEvEraseRequest = NKikimrTxDataShard::TEvEraseRowsRequest; 
-    using TEvEraseResponse = NKikimrTxDataShard::TEvEraseRowsResponse; 
- 
-    using TEvCondEraseRequest = NKikimrTxDataShard::TEvConditionalEraseRowsRequest; 
-    using TEvCondEraseResponse = NKikimrTxDataShard::TEvConditionalEraseRowsResponse; 
- 
-    using TLimits = TEvCondEraseRequest::TLimits; 
- 
-    using TEvProposeTx = NKikimrTxDataShard::TEvProposeTransaction; 
-    using TEvProposeTxResult = NKikimrTxDataShard::TEvProposeTransactionResult; 
- 
-    using TDistributedEraseTx = NKikimrTxDataShard::TDistributedEraseTransaction; 
-}; 
- 
+using namespace Tests;
+
+struct TProto {
+    using TEvEraseRequest = NKikimrTxDataShard::TEvEraseRowsRequest;
+    using TEvEraseResponse = NKikimrTxDataShard::TEvEraseRowsResponse;
+
+    using TEvCondEraseRequest = NKikimrTxDataShard::TEvConditionalEraseRowsRequest;
+    using TEvCondEraseResponse = NKikimrTxDataShard::TEvConditionalEraseRowsResponse;
+
+    using TLimits = TEvCondEraseRequest::TLimits;
+
+    using TEvProposeTx = NKikimrTxDataShard::TEvProposeTransaction;
+    using TEvProposeTxResult = NKikimrTxDataShard::TEvProposeTransactionResult;
+
+    using TDistributedEraseTx = NKikimrTxDataShard::TDistributedEraseTransaction;
+};
+
 using EUnit = NKikimrSchemeOp::TTTLSettings::EUnit;
-struct TUnit { 
+struct TUnit {
     static constexpr EUnit AUTO = NKikimrSchemeOp::TTTLSettings::UNIT_AUTO;
     static constexpr EUnit SECONDS = NKikimrSchemeOp::TTTLSettings::UNIT_SECONDS;
     static constexpr EUnit MILLISECONDS = NKikimrSchemeOp::TTTLSettings::UNIT_MILLISECONDS;
     static constexpr EUnit MICROSECONDS = NKikimrSchemeOp::TTTLSettings::UNIT_MICROSECONDS;
     static constexpr EUnit NANOSECONDS = NKikimrSchemeOp::TTTLSettings::UNIT_NANOSECONDS;
-}; 
- 
-namespace { 
- 
-void CreateTable(TServer::TPtr server, const TActorId& sender, const TString& root, 
+};
+
+namespace {
+
+void CreateTable(TServer::TPtr server, const TActorId& sender, const TString& root,
         const TString& name, const TString& ttlColType = "Timestamp") {
-    auto opts = TShardedTableOptions() 
-        .EnableOutOfOrder(false) 
-        .Columns({ 
+    auto opts = TShardedTableOptions()
+        .EnableOutOfOrder(false)
+        .Columns({
             {"key", "Uint32", true, false},
             {"value", ttlColType, false, false}
-        }); 
-    CreateShardedTable(server, sender, root, name, opts); 
-} 
- 
-void CreateIndexedTable(TServer::TPtr server, const TActorId& sender, const TString& root, 
-        const TString& name, const TString& ttlColType = "Timestamp") { 
-    auto opts = TShardedTableOptions() 
-        .EnableOutOfOrder(false) 
-        .Columns({ 
+        });
+    CreateShardedTable(server, sender, root, name, opts);
+}
+
+void CreateIndexedTable(TServer::TPtr server, const TActorId& sender, const TString& root,
+        const TString& name, const TString& ttlColType = "Timestamp") {
+    auto opts = TShardedTableOptions()
+        .EnableOutOfOrder(false)
+        .Columns({
             {"key", "Uint32", true, false},
             {"skey", "Uint32", false, false},
             {"tkey", "Uint32", false, false},
             {"value", ttlColType, false, false}
-        }) 
-        .Indexes({ 
-            {"by_skey", {"skey"}}, 
-            {"by_tkey", {"tkey"}} 
-        }); 
-    CreateShardedTable(server, sender, root, name, opts); 
-} 
- 
-using TKeyCellsMaker = std::function<TVector<TCell>(ui32)>; 
- 
-TVector<TCell> MakeKeyCells(ui32 key) { 
-    return {TCell::Make(key)}; 
-} 
- 
-TVector<TCell> KeyCellsRepeater(ui32 key) { 
-    return {TCell::Make(key), TCell::Make(key)}; 
-}; 
- 
-TVector<TString> SerializeKeys(const TVector<ui32>& keys, TKeyCellsMaker makeKeyCells = &MakeKeyCells) { 
-    TVector<TString> serializedKeys; 
- 
-    for (const ui32 key : keys) { 
-        serializedKeys.emplace_back(TSerializedCellVec::Serialize(makeKeyCells(key))); 
-    } 
- 
-    return serializedKeys; 
-} 
- 
-TProto::TEvEraseRequest MakeEraseRowsRequest( 
-        const TTableId& tableId, 
-        const TVector<ui32>& keyTags, 
-        const TVector<TString>& keys) { 
- 
-    TProto::TEvEraseRequest request; 
- 
-    request.SetTableId(tableId.PathId.LocalPathId); 
-    request.SetSchemaVersion(tableId.SchemaVersion); 
- 
-    for (const ui32 tag : keyTags) { 
-        request.AddKeyColumnIds(tag); 
-    } 
- 
-    for (const auto& key : keys) { 
-        request.AddKeyColumns(key); 
-    } 
- 
-    return request; 
-} 
- 
-template <typename TEvResponse, typename TDerived> 
-class TRequestRunner: public TActorBootstrapped<TDerived> { 
-    void Handle(TEvTabletPipe::TEvClientConnected::TPtr& ev) { 
-        if (ev->Get()->Status == NKikimrProto::OK) { 
-            return; 
-        } 
- 
-        Bootstrap(); 
-    } 
- 
-protected: 
-    void Reply(typename TEvResponse::TPtr& ev) { 
-        TlsActivationContext->AsActorContext().Send(ev->Forward(ReplyTo)); 
-    } 
- 
-    virtual void Handle(typename TEvResponse::TPtr& ev) { 
-        Reply(ev); 
-        PassAway(); 
-    } 
- 
-    void PassAway() override { 
-        if (Pipe) { 
-            NTabletPipe::CloseAndForgetClient(this->SelfId(), Pipe); 
-        } 
- 
-        IActor::PassAway(); 
-    } 
- 
-    virtual IEventBase* MakeRequest() const = 0; 
- 
-public: 
+        })
+        .Indexes({
+            {"by_skey", {"skey"}},
+            {"by_tkey", {"tkey"}}
+        });
+    CreateShardedTable(server, sender, root, name, opts);
+}
+
+using TKeyCellsMaker = std::function<TVector<TCell>(ui32)>;
+
+TVector<TCell> MakeKeyCells(ui32 key) {
+    return {TCell::Make(key)};
+}
+
+TVector<TCell> KeyCellsRepeater(ui32 key) {
+    return {TCell::Make(key), TCell::Make(key)};
+};
+
+TVector<TString> SerializeKeys(const TVector<ui32>& keys, TKeyCellsMaker makeKeyCells = &MakeKeyCells) {
+    TVector<TString> serializedKeys;
+
+    for (const ui32 key : keys) {
+        serializedKeys.emplace_back(TSerializedCellVec::Serialize(makeKeyCells(key)));
+    }
+
+    return serializedKeys;
+}
+
+TProto::TEvEraseRequest MakeEraseRowsRequest(
+        const TTableId& tableId,
+        const TVector<ui32>& keyTags,
+        const TVector<TString>& keys) {
+
+    TProto::TEvEraseRequest request;
+
+    request.SetTableId(tableId.PathId.LocalPathId);
+    request.SetSchemaVersion(tableId.SchemaVersion);
+
+    for (const ui32 tag : keyTags) {
+        request.AddKeyColumnIds(tag);
+    }
+
+    for (const auto& key : keys) {
+        request.AddKeyColumns(key);
+    }
+
+    return request;
+}
+
+template <typename TEvResponse, typename TDerived>
+class TRequestRunner: public TActorBootstrapped<TDerived> {
+    void Handle(TEvTabletPipe::TEvClientConnected::TPtr& ev) {
+        if (ev->Get()->Status == NKikimrProto::OK) {
+            return;
+        }
+
+        Bootstrap();
+    }
+
+protected:
+    void Reply(typename TEvResponse::TPtr& ev) {
+        TlsActivationContext->AsActorContext().Send(ev->Forward(ReplyTo));
+    }
+
+    virtual void Handle(typename TEvResponse::TPtr& ev) {
+        Reply(ev);
+        PassAway();
+    }
+
+    void PassAway() override {
+        if (Pipe) {
+            NTabletPipe::CloseAndForgetClient(this->SelfId(), Pipe);
+        }
+
+        IActor::PassAway();
+    }
+
+    virtual IEventBase* MakeRequest() const = 0;
+
+public:
     explicit TRequestRunner(const TActorId& replyTo, ui64 tabletID)
-        : ReplyTo(replyTo) 
-        , TabletID(tabletID) 
-    { 
-    } 
- 
-    void Bootstrap() { 
-        if (Pipe) { 
-            NTabletPipe::CloseAndForgetClient(this->SelfId(), Pipe); 
-        } 
- 
-        Pipe = this->Register(NTabletPipe::CreateClient(this->SelfId(), TabletID)); 
-        NTabletPipe::SendData(this->SelfId(), Pipe, this->MakeRequest()); 
- 
-        this->Become(&TDerived::StateWork); 
-    } 
- 
-    STATEFN(StateWork) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvTabletPipe::TEvClientConnected, Handle); 
-            cFunc(TEvTabletPipe::TEvClientDestroyed::EventType, Bootstrap); 
-            hFunc(TEvResponse, Handle); 
-        } 
-    } 
- 
-    using TBase = TRequestRunner<TEvResponse, TDerived>; 
- 
-private: 
+        : ReplyTo(replyTo)
+        , TabletID(tabletID)
+    {
+    }
+
+    void Bootstrap() {
+        if (Pipe) {
+            NTabletPipe::CloseAndForgetClient(this->SelfId(), Pipe);
+        }
+
+        Pipe = this->Register(NTabletPipe::CreateClient(this->SelfId(), TabletID));
+        NTabletPipe::SendData(this->SelfId(), Pipe, this->MakeRequest());
+
+        this->Become(&TDerived::StateWork);
+    }
+
+    STATEFN(StateWork) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvTabletPipe::TEvClientConnected, Handle);
+            cFunc(TEvTabletPipe::TEvClientDestroyed::EventType, Bootstrap);
+            hFunc(TEvResponse, Handle);
+        }
+    }
+
+    using TBase = TRequestRunner<TEvResponse, TDerived>;
+
+private:
     const TActorId ReplyTo;
-    const ui64 TabletID; 
- 
+    const ui64 TabletID;
+
     TActorId Pipe;
-}; 
- 
-void EraseRows( 
+};
+
+void EraseRows(
         TServer::TPtr server, const TActorId& sender, const TString& path,
-        const TTableId& tableId, TVector<ui32> keyTags, TVector<TString> keys, 
-        ui32 status = TProto::TEvEraseResponse::OK, const TString& error = "") { 
-    using TEvRequest = TEvDataShard::TEvEraseRowsRequest; 
-    using TEvResponse = TEvDataShard::TEvEraseRowsResponse; 
- 
-    class TEraser: public TRequestRunner<TEvResponse, TEraser> { 
-    public: 
-        explicit TEraser( 
-                const TActorId& replyTo, ui64 tabletID, 
-                const TTableId& tableId, TVector<ui32> keyTags, TVector<TString> keys) 
-            : TBase(replyTo, tabletID) 
-            , TableId(tableId) 
-            , KeyTags(std::move(keyTags)) 
-            , Keys(std::move(keys)) 
-        { 
-        } 
- 
-        IEventBase* MakeRequest() const override { 
-            auto request = MakeHolder<TEvRequest>(); 
-            request->Record = MakeEraseRowsRequest(TableId, KeyTags, Keys); 
-            return request.Release(); 
-        } 
- 
-    private: 
-        const TTableId TableId; 
-        const TVector<ui32> KeyTags; 
-        const TVector<TString> Keys; 
-    }; 
- 
-    auto tabletIDs = GetTableShards(server, sender, path); 
-    UNIT_ASSERT_VALUES_EQUAL(tabletIDs.size(), 1); 
-    server->GetRuntime()->Register(new TEraser(sender, tabletIDs[0], tableId, std::move(keyTags), std::move(keys))); 
- 
-    auto ev = server->GetRuntime()->GrabEdgeEventRethrow<TEvResponse>(sender); 
-    UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), status); 
-    if (error) { 
-        UNIT_ASSERT_STRING_CONTAINS(ev->Get()->Record.GetErrorDescription(), error); 
-    } 
-} 
- 
-void ConditionalEraseRows( 
+        const TTableId& tableId, TVector<ui32> keyTags, TVector<TString> keys,
+        ui32 status = TProto::TEvEraseResponse::OK, const TString& error = "") {
+    using TEvRequest = TEvDataShard::TEvEraseRowsRequest;
+    using TEvResponse = TEvDataShard::TEvEraseRowsResponse;
+
+    class TEraser: public TRequestRunner<TEvResponse, TEraser> {
+    public:
+        explicit TEraser(
+                const TActorId& replyTo, ui64 tabletID,
+                const TTableId& tableId, TVector<ui32> keyTags, TVector<TString> keys)
+            : TBase(replyTo, tabletID)
+            , TableId(tableId)
+            , KeyTags(std::move(keyTags))
+            , Keys(std::move(keys))
+        {
+        }
+
+        IEventBase* MakeRequest() const override {
+            auto request = MakeHolder<TEvRequest>();
+            request->Record = MakeEraseRowsRequest(TableId, KeyTags, Keys);
+            return request.Release();
+        }
+
+    private:
+        const TTableId TableId;
+        const TVector<ui32> KeyTags;
+        const TVector<TString> Keys;
+    };
+
+    auto tabletIDs = GetTableShards(server, sender, path);
+    UNIT_ASSERT_VALUES_EQUAL(tabletIDs.size(), 1);
+    server->GetRuntime()->Register(new TEraser(sender, tabletIDs[0], tableId, std::move(keyTags), std::move(keys)));
+
+    auto ev = server->GetRuntime()->GrabEdgeEventRethrow<TEvResponse>(sender);
+    UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), status);
+    if (error) {
+        UNIT_ASSERT_STRING_CONTAINS(ev->Get()->Record.GetErrorDescription(), error);
+    }
+}
+
+void ConditionalEraseRows(
         TServer::TPtr server, const TActorId& sender, const TString& path,
-        const TTableId& tableId, ui32 columnId, ui64 threshold, EUnit unit = TUnit::AUTO, 
+        const TTableId& tableId, ui32 columnId, ui64 threshold, EUnit unit = TUnit::AUTO,
         const NDataShard::TIndexes& indexes = {}, const TProto::TLimits& limits = {},
-        ui32 status = TProto::TEvCondEraseResponse::ACCEPTED, const TString& error = "") { 
-    using TEvRequest = TEvDataShard::TEvConditionalEraseRowsRequest; 
-    using TEvResponse = TEvDataShard::TEvConditionalEraseRowsResponse; 
- 
-    class TEraser: public TRequestRunner<TEvResponse, TEraser> { 
-    protected: 
-        void Handle(TEvResponse::TPtr& ev) override { 
-            bool continue_ = false; 
- 
-            switch (ev->Get()->Record.GetStatus()) { 
-            case TEvResponse::ProtoRecordType::ACCEPTED: 
-            case TEvResponse::ProtoRecordType::PARTIAL: 
-                continue_ = true; 
-                break; 
- 
-            default: 
-                break; 
-            } 
- 
-            Reply(ev); 
- 
-            if (!continue_) { 
-                PassAway(); 
-            } 
-        } 
- 
-    public: 
-        explicit TEraser( 
-                const TActorId& replyTo, ui64 tabletID, 
-                const TTableId& tableId, ui32 columnId, ui64 threshold, EUnit unit, 
-                const TProto::TLimits& limits, 
+        ui32 status = TProto::TEvCondEraseResponse::ACCEPTED, const TString& error = "") {
+    using TEvRequest = TEvDataShard::TEvConditionalEraseRowsRequest;
+    using TEvResponse = TEvDataShard::TEvConditionalEraseRowsResponse;
+
+    class TEraser: public TRequestRunner<TEvResponse, TEraser> {
+    protected:
+        void Handle(TEvResponse::TPtr& ev) override {
+            bool continue_ = false;
+
+            switch (ev->Get()->Record.GetStatus()) {
+            case TEvResponse::ProtoRecordType::ACCEPTED:
+            case TEvResponse::ProtoRecordType::PARTIAL:
+                continue_ = true;
+                break;
+
+            default:
+                break;
+            }
+
+            Reply(ev);
+
+            if (!continue_) {
+                PassAway();
+            }
+        }
+
+    public:
+        explicit TEraser(
+                const TActorId& replyTo, ui64 tabletID,
+                const TTableId& tableId, ui32 columnId, ui64 threshold, EUnit unit,
+                const TProto::TLimits& limits,
                 const NDataShard::TIndexes& indexes)
-            : TBase(replyTo, tabletID) 
-            , TableId(tableId) 
-            , ColumnId(columnId) 
-            , Threshold(threshold) 
-            , ColumnUnit(unit) 
-            , Limits(limits) 
-            , Indexes(indexes) 
-        { 
-        } 
- 
-        IEventBase* MakeRequest() const override { 
-            auto request = MakeHolder<TEvRequest>(); 
-            request->Record.SetTableId(TableId.PathId.LocalPathId); 
-            request->Record.SetSchemaVersion(TableId.SchemaVersion); 
-            request->Record.MutableExpiration()->SetColumnId(ColumnId); 
-            request->Record.MutableExpiration()->SetWallClockTimestamp(Threshold); 
-            request->Record.MutableExpiration()->SetColumnUnit(ColumnUnit); 
-            request->Record.MutableLimits()->CopyFrom(Limits); 
- 
-            for (const auto& [indexId, columnIds] : Indexes) { 
-                auto& index = *request->Record.MutableIndexes()->Add(); 
- 
-                index.SetOwnerId(indexId.PathId.OwnerId); 
-                index.SetPathId(indexId.PathId.LocalPathId); 
-                index.SetSchemaVersion(indexId.SchemaVersion); 
- 
-                for (const auto [indexColumnId, mainColumnId] : columnIds) { 
-                    auto& keyMap = *index.MutableKeyMap()->Add(); 
-                    keyMap.SetIndexColumnId(indexColumnId); 
-                    keyMap.SetMainColumnId(mainColumnId); 
-                } 
-            } 
- 
-            return request.Release(); 
-        } 
- 
-    private: 
-        const TTableId TableId; 
-        const ui32 ColumnId; 
-        const ui64 Threshold; 
-        const EUnit ColumnUnit; 
-        const TProto::TLimits Limits; 
+            : TBase(replyTo, tabletID)
+            , TableId(tableId)
+            , ColumnId(columnId)
+            , Threshold(threshold)
+            , ColumnUnit(unit)
+            , Limits(limits)
+            , Indexes(indexes)
+        {
+        }
+
+        IEventBase* MakeRequest() const override {
+            auto request = MakeHolder<TEvRequest>();
+            request->Record.SetTableId(TableId.PathId.LocalPathId);
+            request->Record.SetSchemaVersion(TableId.SchemaVersion);
+            request->Record.MutableExpiration()->SetColumnId(ColumnId);
+            request->Record.MutableExpiration()->SetWallClockTimestamp(Threshold);
+            request->Record.MutableExpiration()->SetColumnUnit(ColumnUnit);
+            request->Record.MutableLimits()->CopyFrom(Limits);
+
+            for (const auto& [indexId, columnIds] : Indexes) {
+                auto& index = *request->Record.MutableIndexes()->Add();
+
+                index.SetOwnerId(indexId.PathId.OwnerId);
+                index.SetPathId(indexId.PathId.LocalPathId);
+                index.SetSchemaVersion(indexId.SchemaVersion);
+
+                for (const auto [indexColumnId, mainColumnId] : columnIds) {
+                    auto& keyMap = *index.MutableKeyMap()->Add();
+                    keyMap.SetIndexColumnId(indexColumnId);
+                    keyMap.SetMainColumnId(mainColumnId);
+                }
+            }
+
+            return request.Release();
+        }
+
+    private:
+        const TTableId TableId;
+        const ui32 ColumnId;
+        const ui64 Threshold;
+        const EUnit ColumnUnit;
+        const TProto::TLimits Limits;
         const NDataShard::TIndexes Indexes;
-    }; 
- 
-    auto tabletIDs = GetTableShards(server, sender, path); 
-    UNIT_ASSERT_VALUES_EQUAL(tabletIDs.size(), 1); 
-    server->GetRuntime()->Register(new TEraser(sender, tabletIDs[0], tableId, columnId, threshold, unit, limits, indexes)); 
- 
-    auto ev = server->GetRuntime()->GrabEdgeEventRethrow<TEvResponse>(sender); 
-    UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), status); 
-    if (error) { 
-        UNIT_ASSERT_STRING_CONTAINS(ev->Get()->Record.GetErrorDescription(), error); 
-    } 
-} 
- 
-void DistributedEraseTx( 
-        TServer::TPtr server, const TActorId& sender, const TString& path, 
-        ui64 txId, const TProto::TDistributedEraseTx& tx, 
-        ui32 status = TProto::TEvProposeTxResult::PREPARED, const TString& error = "") { 
-    using TEvRequest = TEvDataShard::TEvProposeTransaction; 
-    using TEvResponse = TEvDataShard::TEvProposeTransactionResult; 
- 
-    class TEraser: public TRequestRunner<TEvResponse, TEraser> { 
-    public: 
-        explicit TEraser( 
-                const TActorId& replyTo, ui64 tabletId, 
-                ui64 txId, const TProto::TDistributedEraseTx& tx) 
-            : TBase(replyTo, tabletId) 
-            , TxId(txId) 
-            , Tx(tx) 
-        { 
-        } 
- 
-        IEventBase* MakeRequest() const override { 
-            return new TEvRequest( 
-                NKikimrTxDataShard::TX_KIND_DISTRIBUTED_ERASE, SelfId(), TxId, Tx.SerializeAsString() 
-            ); 
-        } 
- 
-    private: 
-        const ui64 TxId; 
-        const TProto::TDistributedEraseTx Tx; 
-    }; 
- 
-    auto tabletIds = GetTableShards(server, sender, path); 
-    UNIT_ASSERT_VALUES_EQUAL(tabletIds.size(), 1); 
-    server->GetRuntime()->Register(new TEraser(sender, tabletIds[0], txId, tx)); 
- 
-    auto ev = server->GetRuntime()->GrabEdgeEventRethrow<TEvResponse>(sender); 
-    UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), status); 
-    if (error) { 
-        UNIT_ASSERT(ev->Get()->Record.ErrorSize()); 
-        UNIT_ASSERT_STRING_CONTAINS(ev->Get()->Record.GetError(0).GetReason(), error); 
-    } 
-} 
- 
-} // anonymous 
- 
-Y_UNIT_TEST_SUITE(EraseRowsTests) { 
+    };
+
+    auto tabletIDs = GetTableShards(server, sender, path);
+    UNIT_ASSERT_VALUES_EQUAL(tabletIDs.size(), 1);
+    server->GetRuntime()->Register(new TEraser(sender, tabletIDs[0], tableId, columnId, threshold, unit, limits, indexes));
+
+    auto ev = server->GetRuntime()->GrabEdgeEventRethrow<TEvResponse>(sender);
+    UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), status);
+    if (error) {
+        UNIT_ASSERT_STRING_CONTAINS(ev->Get()->Record.GetErrorDescription(), error);
+    }
+}
+
+void DistributedEraseTx(
+        TServer::TPtr server, const TActorId& sender, const TString& path,
+        ui64 txId, const TProto::TDistributedEraseTx& tx,
+        ui32 status = TProto::TEvProposeTxResult::PREPARED, const TString& error = "") {
+    using TEvRequest = TEvDataShard::TEvProposeTransaction;
+    using TEvResponse = TEvDataShard::TEvProposeTransactionResult;
+
+    class TEraser: public TRequestRunner<TEvResponse, TEraser> {
+    public:
+        explicit TEraser(
+                const TActorId& replyTo, ui64 tabletId,
+                ui64 txId, const TProto::TDistributedEraseTx& tx)
+            : TBase(replyTo, tabletId)
+            , TxId(txId)
+            , Tx(tx)
+        {
+        }
+
+        IEventBase* MakeRequest() const override {
+            return new TEvRequest(
+                NKikimrTxDataShard::TX_KIND_DISTRIBUTED_ERASE, SelfId(), TxId, Tx.SerializeAsString()
+            );
+        }
+
+    private:
+        const ui64 TxId;
+        const TProto::TDistributedEraseTx Tx;
+    };
+
+    auto tabletIds = GetTableShards(server, sender, path);
+    UNIT_ASSERT_VALUES_EQUAL(tabletIds.size(), 1);
+    server->GetRuntime()->Register(new TEraser(sender, tabletIds[0], txId, tx));
+
+    auto ev = server->GetRuntime()->GrabEdgeEventRethrow<TEvResponse>(sender);
+    UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), status);
+    if (error) {
+        UNIT_ASSERT(ev->Get()->Record.ErrorSize());
+        UNIT_ASSERT_STRING_CONTAINS(ev->Get()->Record.GetError(0).GetReason(), error);
+    }
+}
+
+} // anonymous
+
+Y_UNIT_TEST_SUITE(EraseRowsTests) {
     void EraseRowsShouldSuccess(TMaybe<ui64> injectSchemaVersion, bool enableMvcc) {
-        TPortManager pm; 
-        TServerSettings serverSettings(pm.GetPort(2134)); 
-        serverSettings 
+        TPortManager pm;
+        TServerSettings serverSettings(pm.GetPort(2134));
+        serverSettings
             .SetEnableMvcc(enableMvcc)
-            .SetDomainName("Root") 
+            .SetDomainName("Root")
             .SetUseRealThreads(false);
- 
-        TServer::TPtr server = new TServer(serverSettings); 
-        auto& runtime = *server->GetRuntime(); 
+
+        TServer::TPtr server = new TServer(serverSettings);
+        auto& runtime = *server->GetRuntime();
         const TActorId sender = runtime.AllocateEdgeActor();
- 
-        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG); 
-        InitRoot(server, sender); 
- 
+
+        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG);
+        InitRoot(server, sender);
+
         CreateTable(server, sender, "/Root", "table-1");
-        ExecSQL(server, sender, R"( 
-            UPSERT INTO [/Root/table-1] (key, value) VALUES 
-            (1, CAST("1970-01-01T00:00:00.000000Z" AS Timestamp)), 
-            (2, CAST("1990-03-01T00:00:00.000000Z" AS Timestamp)), 
-            (3, CAST("2020-04-15T00:00:00.000000Z" AS Timestamp)); 
-        )"); 
- 
-        auto tableId = ResolveTableId(server, sender, "/Root/table-1"); 
-        auto testTableId = TTableId(tableId.PathId, injectSchemaVersion.GetOrElse(tableId.SchemaVersion)); 
-        EraseRows(server, sender, "/Root/table-1", testTableId, {1}, SerializeKeys({1, 2})); 
- 
-        auto content = ReadShardedTable(server, "/Root/table-1"); 
+        ExecSQL(server, sender, R"(
+            UPSERT INTO [/Root/table-1] (key, value) VALUES
+            (1, CAST("1970-01-01T00:00:00.000000Z" AS Timestamp)),
+            (2, CAST("1990-03-01T00:00:00.000000Z" AS Timestamp)),
+            (3, CAST("2020-04-15T00:00:00.000000Z" AS Timestamp));
+        )");
+
+        auto tableId = ResolveTableId(server, sender, "/Root/table-1");
+        auto testTableId = TTableId(tableId.PathId, injectSchemaVersion.GetOrElse(tableId.SchemaVersion));
+        EraseRows(server, sender, "/Root/table-1", testTableId, {1}, SerializeKeys({1, 2}));
+
+        auto content = ReadShardedTable(server, "/Root/table-1");
         UNIT_ASSERT_STRINGS_EQUAL(StripInPlace(content), "key = 3, value = 2020-04-15T00:00:00.000000Z");
-    } 
- 
+    }
+
     Y_UNIT_TEST_WITH_MVCC(EraseRowsShouldSuccess) {
         EraseRowsShouldSuccess(Nothing(), WithMvcc);
-    } 
- 
+    }
+
     Y_UNIT_TEST_WITH_MVCC(EraseRowsShouldFailOnVariousErrors) {
-        TPortManager pm; 
-        TServerSettings serverSettings(pm.GetPort(2134)); 
-        serverSettings 
+        TPortManager pm;
+        TServerSettings serverSettings(pm.GetPort(2134));
+        serverSettings
             .SetEnableMvcc(WithMvcc)
-            .SetDomainName("Root") 
+            .SetDomainName("Root")
             .SetUseRealThreads(false);
- 
-        TServer::TPtr server = new TServer(serverSettings); 
-        auto& runtime = *server->GetRuntime(); 
+
+        TServer::TPtr server = new TServer(serverSettings);
+        auto& runtime = *server->GetRuntime();
         const TActorId sender = runtime.AllocateEdgeActor();
- 
-        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG); 
-        InitRoot(server, sender); 
- 
+
+        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG);
+        InitRoot(server, sender);
+
         CreateTable(server, sender, "/Root", "table-1");
-        auto tableId = ResolveTableId(server, sender, "/Root/table-1"); 
- 
-        EraseRows(server, sender, "/Root/table-1", TTableId(), {1}, SerializeKeys({1, 2}), 
-            TProto::TEvEraseResponse::SCHEME_ERROR, "Unknown table id"); 
- 
-        EraseRows(server, sender, "/Root/table-1", TTableId(tableId.PathId, 100), {1}, SerializeKeys({1, 2}), 
-            TProto::TEvEraseResponse::SCHEME_ERROR, "Schema version mismatch"); 
- 
-        EraseRows(server, sender, "/Root/table-1", tableId, {0, 1}, SerializeKeys({1, 2}), 
-            TProto::TEvEraseResponse::SCHEME_ERROR, "Key column count mismatch"); 
- 
-        EraseRows(server, sender, "/Root/table-1", tableId, {0}, SerializeKeys({1, 2}), 
-            TProto::TEvEraseResponse::SCHEME_ERROR, "Key column schema mismatch"); 
- 
-        EraseRows(server, sender, "/Root/table-1", tableId, {1}, {"trash"}, 
-            TProto::TEvEraseResponse::BAD_REQUEST, "Cannot parse key"); 
- 
-        EraseRows(server, sender, "/Root/table-1", tableId, {1}, SerializeKeys({1, 2}, &KeyCellsRepeater), 
-            TProto::TEvEraseResponse::SCHEME_ERROR, "Cell count doesn't match row scheme"); 
-    } 
- 
+        auto tableId = ResolveTableId(server, sender, "/Root/table-1");
+
+        EraseRows(server, sender, "/Root/table-1", TTableId(), {1}, SerializeKeys({1, 2}),
+            TProto::TEvEraseResponse::SCHEME_ERROR, "Unknown table id");
+
+        EraseRows(server, sender, "/Root/table-1", TTableId(tableId.PathId, 100), {1}, SerializeKeys({1, 2}),
+            TProto::TEvEraseResponse::SCHEME_ERROR, "Schema version mismatch");
+
+        EraseRows(server, sender, "/Root/table-1", tableId, {0, 1}, SerializeKeys({1, 2}),
+            TProto::TEvEraseResponse::SCHEME_ERROR, "Key column count mismatch");
+
+        EraseRows(server, sender, "/Root/table-1", tableId, {0}, SerializeKeys({1, 2}),
+            TProto::TEvEraseResponse::SCHEME_ERROR, "Key column schema mismatch");
+
+        EraseRows(server, sender, "/Root/table-1", tableId, {1}, {"trash"},
+            TProto::TEvEraseResponse::BAD_REQUEST, "Cannot parse key");
+
+        EraseRows(server, sender, "/Root/table-1", tableId, {1}, SerializeKeys({1, 2}, &KeyCellsRepeater),
+            TProto::TEvEraseResponse::SCHEME_ERROR, "Cell count doesn't match row scheme");
+    }
+
     void ConditionalEraseShouldSuccess(const TString& ttlColType, EUnit unit, const TString& toUpload, const TString& afterErase, bool enableMvcc = false) {
-        using TEvResponse = TEvDataShard::TEvConditionalEraseRowsResponse; 
- 
-        TPortManager pm; 
-        TServerSettings serverSettings(pm.GetPort(2134)); 
-        serverSettings 
+        using TEvResponse = TEvDataShard::TEvConditionalEraseRowsResponse;
+
+        TPortManager pm;
+        TServerSettings serverSettings(pm.GetPort(2134));
+        serverSettings
             .SetEnableMvcc(enableMvcc)
-            .SetDomainName("Root") 
+            .SetDomainName("Root")
             .SetUseRealThreads(false);
- 
-        TServer::TPtr server = new TServer(serverSettings); 
-        auto& runtime = *server->GetRuntime(); 
+
+        TServer::TPtr server = new TServer(serverSettings);
+        auto& runtime = *server->GetRuntime();
         const TActorId sender = runtime.AllocateEdgeActor();
- 
-        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG); 
-        InitRoot(server, sender); 
- 
+
+        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG);
+        InitRoot(server, sender);
+
         CreateTable(server, sender, "/Root", "table-1", ttlColType);
-        ExecSQL(server, sender, toUpload); 
- 
-        auto tableId = ResolveTableId(server, sender, "/Root/table-1"); 
-        ConditionalEraseRows(server, sender, "/Root/table-1", tableId, 2, TInstant::Now().GetValue(), unit); 
- 
-        auto ev = server->GetRuntime()->GrabEdgeEventRethrow<TEvResponse>(sender); 
-        UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), TEvResponse::ProtoRecordType::OK); 
- 
-        auto content = ReadShardedTable(server, "/Root/table-1"); 
+        ExecSQL(server, sender, toUpload);
+
+        auto tableId = ResolveTableId(server, sender, "/Root/table-1");
+        ConditionalEraseRows(server, sender, "/Root/table-1", tableId, 2, TInstant::Now().GetValue(), unit);
+
+        auto ev = server->GetRuntime()->GrabEdgeEventRethrow<TEvResponse>(sender);
+        UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), TEvResponse::ProtoRecordType::OK);
+
+        auto content = ReadShardedTable(server, "/Root/table-1");
         UNIT_ASSERT_STRINGS_EQUAL(StripInPlace(content), Strip(afterErase));
-    } 
- 
+    }
+
     Y_UNIT_TEST_WITH_MVCC(ConditionalEraseRowsShouldErase) {
-        ConditionalEraseShouldSuccess("Timestamp", TUnit::AUTO, R"( 
-UPSERT INTO [/Root/table-1] (key, value) VALUES 
-(1, CAST("1970-01-01T00:00:00.000000Z" AS Timestamp)), 
-(2, CAST("1990-03-01T00:00:00.000000Z" AS Timestamp)), 
-(3, CAST("2030-04-15T00:00:00.000000Z" AS Timestamp)), 
-(4, NULL); 
-        )", R"( 
-key = 3, value = 2030-04-15T00:00:00.000000Z 
-key = 4, value = (empty maybe) 
+        ConditionalEraseShouldSuccess("Timestamp", TUnit::AUTO, R"(
+UPSERT INTO [/Root/table-1] (key, value) VALUES
+(1, CAST("1970-01-01T00:00:00.000000Z" AS Timestamp)),
+(2, CAST("1990-03-01T00:00:00.000000Z" AS Timestamp)),
+(3, CAST("2030-04-15T00:00:00.000000Z" AS Timestamp)),
+(4, NULL);
+        )", R"(
+key = 3, value = 2030-04-15T00:00:00.000000Z
+key = 4, value = (empty maybe)
         )", WithMvcc);
-    } 
- 
+    }
+
     Y_UNIT_TEST_WITH_MVCC(ConditionalEraseRowsShouldNotErase) {
-        ConditionalEraseShouldSuccess("Timestamp", TUnit::AUTO, R"( 
-UPSERT INTO [/Root/table-1] (key, value) VALUES 
-(1, CAST("2030-04-15T00:00:00.000000Z" AS Timestamp)), 
-(2, CAST("2030-04-15T00:00:00.000000Z" AS Timestamp)), 
-(3, CAST("2030-04-15T00:00:00.000000Z" AS Timestamp)); 
-        )", R"( 
-key = 1, value = 2030-04-15T00:00:00.000000Z 
-key = 2, value = 2030-04-15T00:00:00.000000Z 
-key = 3, value = 2030-04-15T00:00:00.000000Z 
+        ConditionalEraseShouldSuccess("Timestamp", TUnit::AUTO, R"(
+UPSERT INTO [/Root/table-1] (key, value) VALUES
+(1, CAST("2030-04-15T00:00:00.000000Z" AS Timestamp)),
+(2, CAST("2030-04-15T00:00:00.000000Z" AS Timestamp)),
+(3, CAST("2030-04-15T00:00:00.000000Z" AS Timestamp));
+        )", R"(
+key = 1, value = 2030-04-15T00:00:00.000000Z
+key = 2, value = 2030-04-15T00:00:00.000000Z
+key = 3, value = 2030-04-15T00:00:00.000000Z
         )", WithMvcc);
-    } 
- 
+    }
+
     Y_UNIT_TEST_WITH_MVCC(ConditionalEraseRowsShouldEraseOnUint32) {
-        ConditionalEraseShouldSuccess("Uint32", TUnit::SECONDS, R"( 
-UPSERT INTO [/Root/table-1] (key, value) VALUES 
-(1, 0), 
-(2, 636249600), 
-(3, 1902441600), 
-(4, NULL); 
-        )", R"( 
-key = 3, value = 1902441600 
-key = 4, value = (empty maybe) 
+        ConditionalEraseShouldSuccess("Uint32", TUnit::SECONDS, R"(
+UPSERT INTO [/Root/table-1] (key, value) VALUES
+(1, 0),
+(2, 636249600),
+(3, 1902441600),
+(4, NULL);
+        )", R"(
+key = 3, value = 1902441600
+key = 4, value = (empty maybe)
         )", WithMvcc);
-    } 
- 
+    }
+
     Y_UNIT_TEST_WITH_MVCC(ConditionalEraseRowsShouldEraseOnUint64Seconds) {
-        ConditionalEraseShouldSuccess("Uint64", TUnit::SECONDS, R"( 
-UPSERT INTO [/Root/table-1] (key, value) VALUES 
-(1, 0), 
-(2, 636249600), 
-(3, 1902441600), 
-(4, NULL); 
-        )", R"( 
-key = 3, value = 1902441600 
-key = 4, value = (empty maybe) 
+        ConditionalEraseShouldSuccess("Uint64", TUnit::SECONDS, R"(
+UPSERT INTO [/Root/table-1] (key, value) VALUES
+(1, 0),
+(2, 636249600),
+(3, 1902441600),
+(4, NULL);
+        )", R"(
+key = 3, value = 1902441600
+key = 4, value = (empty maybe)
         )", WithMvcc);
-    } 
- 
+    }
+
     Y_UNIT_TEST_WITH_MVCC(ConditionalEraseRowsShouldEraseOnUint64MilliSeconds) {
-        ConditionalEraseShouldSuccess("Uint64", TUnit::MILLISECONDS, R"( 
-UPSERT INTO [/Root/table-1] (key, value) VALUES 
-(1, 0), 
-(2, 636249600000), 
-(3, 1902441600000), 
-(4, NULL); 
-        )", R"( 
-key = 3, value = 1902441600000 
-key = 4, value = (empty maybe) 
+        ConditionalEraseShouldSuccess("Uint64", TUnit::MILLISECONDS, R"(
+UPSERT INTO [/Root/table-1] (key, value) VALUES
+(1, 0),
+(2, 636249600000),
+(3, 1902441600000),
+(4, NULL);
+        )", R"(
+key = 3, value = 1902441600000
+key = 4, value = (empty maybe)
         )", WithMvcc);
-    } 
- 
+    }
+
     Y_UNIT_TEST_WITH_MVCC(ConditionalEraseRowsShouldEraseOnUint64MicroSeconds) {
-        ConditionalEraseShouldSuccess("Uint64", TUnit::MICROSECONDS, R"( 
-UPSERT INTO [/Root/table-1] (key, value) VALUES 
-(1, 0), 
-(2, 636249600000000), 
-(3, 1902441600000000), 
-(4, NULL); 
-        )", R"( 
-key = 3, value = 1902441600000000 
-key = 4, value = (empty maybe) 
+        ConditionalEraseShouldSuccess("Uint64", TUnit::MICROSECONDS, R"(
+UPSERT INTO [/Root/table-1] (key, value) VALUES
+(1, 0),
+(2, 636249600000000),
+(3, 1902441600000000),
+(4, NULL);
+        )", R"(
+key = 3, value = 1902441600000000
+key = 4, value = (empty maybe)
         )", WithMvcc);
-    } 
- 
+    }
+
     Y_UNIT_TEST_WITH_MVCC(ConditionalEraseRowsShouldEraseOnUint64NanoSeconds) {
-        ConditionalEraseShouldSuccess("Uint64", TUnit::NANOSECONDS, R"( 
-UPSERT INTO [/Root/table-1] (key, value) VALUES 
-(1, 0), 
-(2, 636249600000000000), 
-(3, 1902441600000000000), 
-(4, NULL); 
-        )", R"( 
-key = 3, value = 1902441600000000000 
-key = 4, value = (empty maybe) 
+        ConditionalEraseShouldSuccess("Uint64", TUnit::NANOSECONDS, R"(
+UPSERT INTO [/Root/table-1] (key, value) VALUES
+(1, 0),
+(2, 636249600000000000),
+(3, 1902441600000000000),
+(4, NULL);
+        )", R"(
+key = 3, value = 1902441600000000000
+key = 4, value = (empty maybe)
         )", WithMvcc);
-    } 
- 
+    }
+
     Y_UNIT_TEST_WITH_MVCC(ConditionalEraseRowsShouldEraseOnDyNumberSeconds) {
-        ConditionalEraseShouldSuccess("DyNumber", TUnit::SECONDS, R"( 
---!syntax_v1 
-UPSERT INTO `/Root/table-1` (key, value) VALUES 
-(1, CAST("0" As DyNumber)), 
-(2, CAST("636249600" As DyNumber)), 
-(3, CAST("636249600.123" As DyNumber)), 
-(4, CAST("-1902441600" As DyNumber)), 
-(5, CAST("1902441600" As DyNumber)), 
-(6, CAST("636249600000" As DyNumber)), 
-(7, NULL); 
-        )", R"( 
-key = 5, value = .190244160e10 
-key = 6, value = .63624960000e12 
-key = 7, value = (empty maybe) 
+        ConditionalEraseShouldSuccess("DyNumber", TUnit::SECONDS, R"(
+--!syntax_v1
+UPSERT INTO `/Root/table-1` (key, value) VALUES
+(1, CAST("0" As DyNumber)),
+(2, CAST("636249600" As DyNumber)),
+(3, CAST("636249600.123" As DyNumber)),
+(4, CAST("-1902441600" As DyNumber)),
+(5, CAST("1902441600" As DyNumber)),
+(6, CAST("636249600000" As DyNumber)),
+(7, NULL);
+        )", R"(
+key = 5, value = .190244160e10
+key = 6, value = .63624960000e12
+key = 7, value = (empty maybe)
         )", WithMvcc);
-    } 
- 
+    }
+
     Y_UNIT_TEST_WITH_MVCC(ConditionalEraseRowsShouldEraseOnDyNumberMilliSeconds) {
-        ConditionalEraseShouldSuccess("DyNumber", TUnit::MILLISECONDS, R"( 
---!syntax_v1 
-UPSERT INTO `/Root/table-1` (key, value) VALUES 
-(1, CAST("0" As DyNumber)), 
-(2, CAST("636249600000" As DyNumber)), 
-(3, CAST("1902441600000" As DyNumber)), 
-(4, CAST("636249600000000" As DyNumber)), 
-(5, NULL); 
-        )", R"( 
-key = 3, value = .1902441600000e13 
-key = 4, value = .636249600000000e15 
-key = 5, value = (empty maybe) 
+        ConditionalEraseShouldSuccess("DyNumber", TUnit::MILLISECONDS, R"(
+--!syntax_v1
+UPSERT INTO `/Root/table-1` (key, value) VALUES
+(1, CAST("0" As DyNumber)),
+(2, CAST("636249600000" As DyNumber)),
+(3, CAST("1902441600000" As DyNumber)),
+(4, CAST("636249600000000" As DyNumber)),
+(5, NULL);
+        )", R"(
+key = 3, value = .1902441600000e13
+key = 4, value = .636249600000000e15
+key = 5, value = (empty maybe)
         )", WithMvcc);
-    } 
- 
+    }
+
     Y_UNIT_TEST_WITH_MVCC(ConditionalEraseRowsShouldEraseOnDyNumberMicroSeconds) {
-        ConditionalEraseShouldSuccess("DyNumber", TUnit::MICROSECONDS, R"( 
---!syntax_v1 
-UPSERT INTO `/Root/table-1` (key, value) VALUES 
-(1, CAST("-9.9999999999999999999999999999999999999E+125" As DyNumber)), 
-(2, CAST("-1E-130" As DyNumber)), 
-(3, CAST("0" As DyNumber)), 
-(4, CAST("1E-130" As DyNumber)), 
-(5, CAST("636249600000000" As DyNumber)), 
-(6, CAST("1902441600000000" As DyNumber)), 
-(7, CAST("9.9999999999999999999999999999999999999E+125" As DyNumber)), 
-(8, NULL); 
-        )", R"( 
-key = 6, value = .190244160000000e16 
-key = 7, value = .99999999999999999999999999999999999999e126 
-key = 8, value = (empty maybe) 
+        ConditionalEraseShouldSuccess("DyNumber", TUnit::MICROSECONDS, R"(
+--!syntax_v1
+UPSERT INTO `/Root/table-1` (key, value) VALUES
+(1, CAST("-9.9999999999999999999999999999999999999E+125" As DyNumber)),
+(2, CAST("-1E-130" As DyNumber)),
+(3, CAST("0" As DyNumber)),
+(4, CAST("1E-130" As DyNumber)),
+(5, CAST("636249600000000" As DyNumber)),
+(6, CAST("1902441600000000" As DyNumber)),
+(7, CAST("9.9999999999999999999999999999999999999E+125" As DyNumber)),
+(8, NULL);
+        )", R"(
+key = 6, value = .190244160000000e16
+key = 7, value = .99999999999999999999999999999999999999e126
+key = 8, value = (empty maybe)
         )", WithMvcc);
-    } 
- 
+    }
+
     Y_UNIT_TEST_WITH_MVCC(ConditionalEraseRowsShouldEraseOnDyNumberNanoSeconds) {
-        ConditionalEraseShouldSuccess("DyNumber", TUnit::NANOSECONDS, R"( 
---!syntax_v1 
-UPSERT INTO `/Root/table-1` (key, value) VALUES 
-(1, CAST("0" As DyNumber)), 
-(2, CAST("636249600000000000" As DyNumber)), 
-(3, CAST("1902441600000000000" As DyNumber)), 
-(4, NULL); 
-        )", R"( 
-key = 3, value = .1902441600000000000e19 
-key = 4, value = (empty maybe) 
+        ConditionalEraseShouldSuccess("DyNumber", TUnit::NANOSECONDS, R"(
+--!syntax_v1
+UPSERT INTO `/Root/table-1` (key, value) VALUES
+(1, CAST("0" As DyNumber)),
+(2, CAST("636249600000000000" As DyNumber)),
+(3, CAST("1902441600000000000" As DyNumber)),
+(4, NULL);
+        )", R"(
+key = 3, value = .1902441600000000000e19
+key = 4, value = (empty maybe)
         )", WithMvcc);
-    } 
- 
+    }
+
     Y_UNIT_TEST_WITH_MVCC(ConditionalEraseRowsShouldFailOnVariousErrors) {
-        using TEvResponse = TEvDataShard::TEvConditionalEraseRowsResponse; 
- 
-        TPortManager pm; 
-        TServerSettings serverSettings(pm.GetPort(2134)); 
-        serverSettings 
+        using TEvResponse = TEvDataShard::TEvConditionalEraseRowsResponse;
+
+        TPortManager pm;
+        TServerSettings serverSettings(pm.GetPort(2134));
+        serverSettings
             .SetEnableMvcc(WithMvcc)
-            .SetDomainName("Root") 
+            .SetDomainName("Root")
             .SetUseRealThreads(false);
- 
-        TServer::TPtr server = new TServer(serverSettings); 
-        auto& runtime = *server->GetRuntime(); 
+
+        TServer::TPtr server = new TServer(serverSettings);
+        auto& runtime = *server->GetRuntime();
         const TActorId sender = runtime.AllocateEdgeActor();
- 
-        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG); 
-        InitRoot(server, sender); 
- 
-        int tableNum = 1; 
-        for (TStringBuf ct : {"Date", "Datetime", "Timestamp", "Uint32", "Uint64", "DyNumber", "String"}) { 
-            const auto tableName = Sprintf("table-%i", tableNum++); 
-            const auto tablePath = Sprintf("/Root/%s", tableName.data()); 
- 
+
+        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG);
+        InitRoot(server, sender);
+
+        int tableNum = 1;
+        for (TStringBuf ct : {"Date", "Datetime", "Timestamp", "Uint32", "Uint64", "DyNumber", "String"}) {
+            const auto tableName = Sprintf("table-%i", tableNum++);
+            const auto tablePath = Sprintf("/Root/%s", tableName.data());
+
             CreateTable(server, sender, "/Root", tableName, TString(ct));
-            auto tableId = ResolveTableId(server, sender, tablePath); 
- 
-            ConditionalEraseRows(server, sender, tablePath, TTableId(), 2, 0, TUnit::AUTO, {}, {}, 
-                TEvResponse::ProtoRecordType::BAD_REQUEST, "Unknown table id"); 
- 
-            ConditionalEraseRows(server, sender, tablePath, tableId, 3, 0, TUnit::AUTO, {}, {}, 
-                TEvResponse::ProtoRecordType::BAD_REQUEST, "Unknown column id"); 
- 
-            if (ct == "Date" || ct == "Datetime" || ct == "Timestamp") { 
-                for (auto unit : {TUnit::SECONDS, TUnit::MILLISECONDS, TUnit::MICROSECONDS}) { 
-                    ConditionalEraseRows(server, sender, tablePath, tableId, 2, 0, unit, {}, {}, 
-                        TEvResponse::ProtoRecordType::BAD_REQUEST, "Unit cannot be specified for date type column"); 
-                } 
-            } else if (ct == "Uint32" || ct == "Uint64" || ct == "DyNumber") { 
-                ConditionalEraseRows(server, sender, tablePath, tableId, 2, 0, TUnit::AUTO, {}, {}, 
-                    TEvResponse::ProtoRecordType::BAD_REQUEST, "Unit should be specified for integral type column"); 
-            } else { 
-                ConditionalEraseRows(server, sender, tablePath, tableId, 2, 0, TUnit::AUTO, {}, {}, 
-                    TEvResponse::ProtoRecordType::BAD_REQUEST, "Unsupported type"); 
-            } 
-        } 
-    } 
- 
+            auto tableId = ResolveTableId(server, sender, tablePath);
+
+            ConditionalEraseRows(server, sender, tablePath, TTableId(), 2, 0, TUnit::AUTO, {}, {},
+                TEvResponse::ProtoRecordType::BAD_REQUEST, "Unknown table id");
+
+            ConditionalEraseRows(server, sender, tablePath, tableId, 3, 0, TUnit::AUTO, {}, {},
+                TEvResponse::ProtoRecordType::BAD_REQUEST, "Unknown column id");
+
+            if (ct == "Date" || ct == "Datetime" || ct == "Timestamp") {
+                for (auto unit : {TUnit::SECONDS, TUnit::MILLISECONDS, TUnit::MICROSECONDS}) {
+                    ConditionalEraseRows(server, sender, tablePath, tableId, 2, 0, unit, {}, {},
+                        TEvResponse::ProtoRecordType::BAD_REQUEST, "Unit cannot be specified for date type column");
+                }
+            } else if (ct == "Uint32" || ct == "Uint64" || ct == "DyNumber") {
+                ConditionalEraseRows(server, sender, tablePath, tableId, 2, 0, TUnit::AUTO, {}, {},
+                    TEvResponse::ProtoRecordType::BAD_REQUEST, "Unit should be specified for integral type column");
+            } else {
+                ConditionalEraseRows(server, sender, tablePath, tableId, 2, 0, TUnit::AUTO, {}, {},
+                    TEvResponse::ProtoRecordType::BAD_REQUEST, "Unsupported type");
+            }
+        }
+    }
+
     Y_UNIT_TEST_WITH_MVCC(ConditionalEraseRowsShouldBreakLocks) {
-        using TEvResponse = TEvDataShard::TEvConditionalEraseRowsResponse; 
- 
-        TPortManager pm; 
-        TServerSettings serverSettings(pm.GetPort(2134)); 
-        serverSettings 
+        using TEvResponse = TEvDataShard::TEvConditionalEraseRowsResponse;
+
+        TPortManager pm;
+        TServerSettings serverSettings(pm.GetPort(2134));
+        serverSettings
             .SetEnableMvcc(WithMvcc)
-            .SetDomainName("Root") 
+            .SetDomainName("Root")
             .SetUseRealThreads(false);
- 
-        TServer::TPtr server = new TServer(serverSettings); 
-        auto& runtime = *server->GetRuntime(); 
+
+        TServer::TPtr server = new TServer(serverSettings);
+        auto& runtime = *server->GetRuntime();
         const TActorId sender = runtime.AllocateEdgeActor();
- 
-        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG); 
-        InitRoot(server, sender); 
- 
+
+        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG);
+        InitRoot(server, sender);
+
         CreateTable(server, sender, "/Root", "table-1");
-        ExecSQL(server, sender, R"( 
-            UPSERT INTO [/Root/table-1] (key, value) VALUES 
-            (1, CAST("1970-01-01T00:00:00.000000Z" AS Timestamp)), 
-            (2, CAST("1990-03-01T00:00:00.000000Z" AS Timestamp)), 
-            (3, CAST("2030-04-15T00:00:00.000000Z" AS Timestamp)); 
-        )"); 
- 
-        TString sessionId = CreateSession(runtime, sender); 
- 
-        TString txId; 
-        { 
-            auto ev = ExecRequest(runtime, sender, MakeBeginRequest(sessionId, R"( 
-                SELECT value FROM [/Root/table-1] WHERE key = 1 
-            )")); 
- 
-            auto& response = ev->Get()->Record.GetRef(); 
-            UNIT_ASSERT_VALUES_EQUAL(response.GetYdbStatus(), Ydb::StatusIds::SUCCESS); 
-            UNIT_ASSERT_VALUES_EQUAL(response.GetResponse().GetResults().size(), 1); 
- 
-            txId = response.GetResponse().GetTxMeta().id(); 
-        } 
- 
-        { 
-            auto tableId = ResolveTableId(server, sender, "/Root/table-1"); 
-            ConditionalEraseRows(server, sender, "/Root/table-1", tableId, 2, TInstant::Now().GetValue()); 
- 
-            auto ev = server->GetRuntime()->GrabEdgeEventRethrow<TEvResponse>(sender); 
-            UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), TEvResponse::ProtoRecordType::OK); 
-        } 
- 
-        { 
-            auto ev = ExecRequest(runtime, sender, MakeCommitRequest(sessionId, txId, R"( 
-                UPSERT INTO [/Root/table-1] (key, value) VALUES 
-                (4, CAST("2031-04-15T00:00:00.000000Z" AS Timestamp)); 
-            )")); 
- 
-            auto& response = ev->Get()->Record.GetRef(); 
-            UNIT_ASSERT_VALUES_EQUAL(response.GetYdbStatus(), Ydb::StatusIds::ABORTED); 
+        ExecSQL(server, sender, R"(
+            UPSERT INTO [/Root/table-1] (key, value) VALUES
+            (1, CAST("1970-01-01T00:00:00.000000Z" AS Timestamp)),
+            (2, CAST("1990-03-01T00:00:00.000000Z" AS Timestamp)),
+            (3, CAST("2030-04-15T00:00:00.000000Z" AS Timestamp));
+        )");
+
+        TString sessionId = CreateSession(runtime, sender);
+
+        TString txId;
+        {
+            auto ev = ExecRequest(runtime, sender, MakeBeginRequest(sessionId, R"(
+                SELECT value FROM [/Root/table-1] WHERE key = 1
+            )"));
+
+            auto& response = ev->Get()->Record.GetRef();
+            UNIT_ASSERT_VALUES_EQUAL(response.GetYdbStatus(), Ydb::StatusIds::SUCCESS);
+            UNIT_ASSERT_VALUES_EQUAL(response.GetResponse().GetResults().size(), 1);
+
+            txId = response.GetResponse().GetTxMeta().id();
+        }
+
+        {
+            auto tableId = ResolveTableId(server, sender, "/Root/table-1");
+            ConditionalEraseRows(server, sender, "/Root/table-1", tableId, 2, TInstant::Now().GetValue());
+
+            auto ev = server->GetRuntime()->GrabEdgeEventRethrow<TEvResponse>(sender);
+            UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), TEvResponse::ProtoRecordType::OK);
+        }
+
+        {
+            auto ev = ExecRequest(runtime, sender, MakeCommitRequest(sessionId, txId, R"(
+                UPSERT INTO [/Root/table-1] (key, value) VALUES
+                (4, CAST("2031-04-15T00:00:00.000000Z" AS Timestamp));
+            )"));
+
+            auto& response = ev->Get()->Record.GetRef();
+            UNIT_ASSERT_VALUES_EQUAL(response.GetYdbStatus(), Ydb::StatusIds::ABORTED);
 
             NYql::TIssues issues;
             IssuesFromMessage(response.GetResponse().GetQueryIssues(), issues);
             UNIT_ASSERT(NKqp::HasIssue(issues, NYql::TIssuesIds::KIKIMR_LOCKS_INVALIDATED));
-        } 
-    } 
- 
+        }
+    }
+
     Y_UNIT_TEST_WITH_MVCC(ConditionalEraseRowsShouldNotEraseModifiedRows) {
-        using TEvResponse = TEvDataShard::TEvConditionalEraseRowsResponse; 
- 
-        TPortManager pm; 
-        TServerSettings serverSettings(pm.GetPort(2134)); 
-        serverSettings 
+        using TEvResponse = TEvDataShard::TEvConditionalEraseRowsResponse;
+
+        TPortManager pm;
+        TServerSettings serverSettings(pm.GetPort(2134));
+        serverSettings
             .SetEnableMvcc(WithMvcc)
-            .SetDomainName("Root") 
+            .SetDomainName("Root")
             .SetUseRealThreads(false);
- 
-        TServer::TPtr server = new TServer(serverSettings); 
-        auto& runtime = *server->GetRuntime(); 
-        const TActorId sender = runtime.AllocateEdgeActor(); 
- 
-        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG); 
-        InitRoot(server, sender); 
- 
+
+        TServer::TPtr server = new TServer(serverSettings);
+        auto& runtime = *server->GetRuntime();
+        const TActorId sender = runtime.AllocateEdgeActor();
+
+        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG);
+        InitRoot(server, sender);
+
         CreateTable(server, sender, "/Root", "table-1");
-        ExecSQL(server, sender, R"( 
-            UPSERT INTO [/Root/table-1] (key, value) VALUES 
-            (1, CAST("1970-01-01T00:00:00.000000Z" AS Timestamp)), 
-            (2, CAST("1990-03-01T00:00:00.000000Z" AS Timestamp)), 
-            (3, CAST("2020-04-15T00:00:00.000000Z" AS Timestamp)); 
-        )"); 
- 
-        THolder<IEventHandle> delayed; 
-        auto prevObserver = server->GetRuntime()->SetObserverFunc([&delayed](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) { 
-            switch (ev->GetTypeRewrite()) { 
-            case TEvDataShard::TEvEraseRowsRequest::EventType: 
-                delayed.Reset(ev.Release()); 
-                return TTestActorRuntime::EEventAction::DROP; 
-            default: 
-                return TTestActorRuntime::EEventAction::PROCESS; 
-            } 
-        }); 
- 
-        auto tableId = ResolveTableId(server, sender, "/Root/table-1"); 
-        ConditionalEraseRows(server, sender, "/Root/table-1", tableId, 2, TInstant::Now().GetValue()); 
- 
-        if (!delayed) { 
-            TDispatchOptions opts; 
-            opts.FinalEvents.emplace_back([&delayed](IEventHandle&) -> bool { 
-                return !!delayed; 
-            }); 
-            server->GetRuntime()->DispatchEvents(opts); 
-        } 
- 
-        ExecSQL(server, sender, R"( 
-            UPSERT INTO [/Root/table-1] (key, value) VALUES 
-            (3, CAST("2030-04-15T00:00:00.000000Z" AS Timestamp)); 
-        )"); 
- 
-        server->GetRuntime()->SetObserverFunc(prevObserver); 
-        server->GetRuntime()->Send(delayed.Release(), 0, true); 
- 
-        auto ev = server->GetRuntime()->GrabEdgeEventRethrow<TEvResponse>(sender); 
-        UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), TEvResponse::ProtoRecordType::OK); 
- 
-        auto content = ReadShardedTable(server, "/Root/table-1"); 
-        UNIT_ASSERT_STRINGS_EQUAL(StripInPlace(content), "key = 3, value = 2030-04-15T00:00:00.000000Z"); 
-    } 
-} 
- 
-Y_UNIT_TEST_SUITE(DistributedEraseTests) { 
-    using TNavigate = NSchemeCache::TSchemeCacheNavigate; 
-    using TResolve = NSchemeCache::TSchemeCacheRequest; 
- 
-    void FillPath(TNavigate::TEntry& entry, const TString& path) { 
-        entry.Path = SplitPath(path); 
-        entry.RequestType = TNavigate::TEntry::ERequestType::ByPath; 
-    } 
- 
-    void FillPath(TNavigate::TEntry& entry, const TTableId& tableId) { 
-        entry.TableId = tableId; 
-        entry.RequestType = TNavigate::TEntry::ERequestType::ByTableId; 
-    } 
- 
-    template <typename TPath> 
-    THolder<TNavigate> Navigate(TServer::TPtr server, const TActorId& sender, const TPath& path, TNavigate::EOp op) { 
-        using TEvRequest = TEvTxProxySchemeCache::TEvNavigateKeySet; 
-        using TEvResponse = TEvTxProxySchemeCache::TEvNavigateKeySetResult; 
- 
-        auto& runtime = *server->GetRuntime(); 
- 
-        auto request = MakeHolder<TNavigate>(); 
-        auto& entry = request->ResultSet.emplace_back(); 
-        FillPath(entry, path); 
-        entry.Operation = op; 
-        entry.ShowPrivatePath = true; 
-        runtime.Send(new IEventHandle(MakeSchemeCacheID(), sender, new TEvRequest(request.Release()))); 
- 
-        auto ev = runtime.GrabEdgeEventRethrow<TEvResponse>(sender); 
-        UNIT_ASSERT(ev); 
-        UNIT_ASSERT(ev->Get()); 
- 
-        auto* response = ev->Get()->Request.Release(); 
-        UNIT_ASSERT(response); 
-        UNIT_ASSERT(response->ErrorCount == 0); 
-        UNIT_ASSERT_VALUES_EQUAL(response->ResultSet.size(), 1); 
- 
+        ExecSQL(server, sender, R"(
+            UPSERT INTO [/Root/table-1] (key, value) VALUES
+            (1, CAST("1970-01-01T00:00:00.000000Z" AS Timestamp)),
+            (2, CAST("1990-03-01T00:00:00.000000Z" AS Timestamp)),
+            (3, CAST("2020-04-15T00:00:00.000000Z" AS Timestamp));
+        )");
+
+        THolder<IEventHandle> delayed;
+        auto prevObserver = server->GetRuntime()->SetObserverFunc([&delayed](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) {
+            switch (ev->GetTypeRewrite()) {
+            case TEvDataShard::TEvEraseRowsRequest::EventType:
+                delayed.Reset(ev.Release());
+                return TTestActorRuntime::EEventAction::DROP;
+            default:
+                return TTestActorRuntime::EEventAction::PROCESS;
+            }
+        });
+
+        auto tableId = ResolveTableId(server, sender, "/Root/table-1");
+        ConditionalEraseRows(server, sender, "/Root/table-1", tableId, 2, TInstant::Now().GetValue());
+
+        if (!delayed) {
+            TDispatchOptions opts;
+            opts.FinalEvents.emplace_back([&delayed](IEventHandle&) -> bool {
+                return !!delayed;
+            });
+            server->GetRuntime()->DispatchEvents(opts);
+        }
+
+        ExecSQL(server, sender, R"(
+            UPSERT INTO [/Root/table-1] (key, value) VALUES
+            (3, CAST("2030-04-15T00:00:00.000000Z" AS Timestamp));
+        )");
+
+        server->GetRuntime()->SetObserverFunc(prevObserver);
+        server->GetRuntime()->Send(delayed.Release(), 0, true);
+
+        auto ev = server->GetRuntime()->GrabEdgeEventRethrow<TEvResponse>(sender);
+        UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), TEvResponse::ProtoRecordType::OK);
+
+        auto content = ReadShardedTable(server, "/Root/table-1");
+        UNIT_ASSERT_STRINGS_EQUAL(StripInPlace(content), "key = 3, value = 2030-04-15T00:00:00.000000Z");
+    }
+}
+
+Y_UNIT_TEST_SUITE(DistributedEraseTests) {
+    using TNavigate = NSchemeCache::TSchemeCacheNavigate;
+    using TResolve = NSchemeCache::TSchemeCacheRequest;
+
+    void FillPath(TNavigate::TEntry& entry, const TString& path) {
+        entry.Path = SplitPath(path);
+        entry.RequestType = TNavigate::TEntry::ERequestType::ByPath;
+    }
+
+    void FillPath(TNavigate::TEntry& entry, const TTableId& tableId) {
+        entry.TableId = tableId;
+        entry.RequestType = TNavigate::TEntry::ERequestType::ByTableId;
+    }
+
+    template <typename TPath>
+    THolder<TNavigate> Navigate(TServer::TPtr server, const TActorId& sender, const TPath& path, TNavigate::EOp op) {
+        using TEvRequest = TEvTxProxySchemeCache::TEvNavigateKeySet;
+        using TEvResponse = TEvTxProxySchemeCache::TEvNavigateKeySetResult;
+
+        auto& runtime = *server->GetRuntime();
+
+        auto request = MakeHolder<TNavigate>();
+        auto& entry = request->ResultSet.emplace_back();
+        FillPath(entry, path);
+        entry.Operation = op;
+        entry.ShowPrivatePath = true;
+        runtime.Send(new IEventHandle(MakeSchemeCacheID(), sender, new TEvRequest(request.Release())));
+
+        auto ev = runtime.GrabEdgeEventRethrow<TEvResponse>(sender);
+        UNIT_ASSERT(ev);
+        UNIT_ASSERT(ev->Get());
+
+        auto* response = ev->Get()->Request.Release();
+        UNIT_ASSERT(response);
+        UNIT_ASSERT(response->ErrorCount == 0);
+        UNIT_ASSERT_VALUES_EQUAL(response->ResultSet.size(), 1);
+
         return THolder(response);
-    } 
- 
+    }
+
     NDataShard::TIndexes GetIndexes(TServer::TPtr server, const TActorId& sender, const TString& path) {
-        auto mainTable = Navigate(server, sender, path, TNavigate::OpTable); 
-        const auto& mainEntry = mainTable->ResultSet.at(0); 
- 
-        TVector<ui32> keyOrder; 
-        THashMap<TString, ui32> columnNameToId; 
-        for (const auto& [id, column] : mainEntry.Columns) { 
-            if (column.KeyOrder >= 0) { 
-                if (keyOrder.size() < static_cast<ui32>(column.KeyOrder + 1)) { 
-                    keyOrder.resize(column.KeyOrder + 1); 
-                } 
-                keyOrder[column.KeyOrder] = id; 
-            } 
- 
-            UNIT_ASSERT(columnNameToId.emplace(column.Name, id).second); 
-        } 
- 
+        auto mainTable = Navigate(server, sender, path, TNavigate::OpTable);
+        const auto& mainEntry = mainTable->ResultSet.at(0);
+
+        TVector<ui32> keyOrder;
+        THashMap<TString, ui32> columnNameToId;
+        for (const auto& [id, column] : mainEntry.Columns) {
+            if (column.KeyOrder >= 0) {
+                if (keyOrder.size() < static_cast<ui32>(column.KeyOrder + 1)) {
+                    keyOrder.resize(column.KeyOrder + 1);
+                }
+                keyOrder[column.KeyOrder] = id;
+            }
+
+            UNIT_ASSERT(columnNameToId.emplace(column.Name, id).second);
+        }
+
         NDataShard::TIndexes indexes;
-        for (const auto& index : mainEntry.Indexes) { 
-            if (index.GetType() == NKikimrSchemeOp::EIndexTypeGlobalAsync) { 
-                continue; 
-            } 
- 
-            THashSet<TString> seen; 
- 
+        for (const auto& index : mainEntry.Indexes) {
+            if (index.GetType() == NKikimrSchemeOp::EIndexTypeGlobalAsync) {
+                continue;
+            }
+
+            THashSet<TString> seen;
+
             NDataShard::TKeyMap keyMap;
-            ui32 i = 0; 
-            for (; i < index.KeyColumnNamesSize(); ++i) { 
-                const TString& name = index.GetKeyColumnNames(i); 
-                seen.insert(name); 
- 
-                UNIT_ASSERT(columnNameToId.contains(name)); 
-                keyMap.emplace_back(std::make_pair(i + 1, columnNameToId.at(name))); 
-            } 
- 
-            for (const ui32 id : keyOrder) { 
-                UNIT_ASSERT(mainEntry.Columns.contains(id)); 
-                if (seen.contains(mainEntry.Columns.at(id).Name)) { 
-                    continue; 
-                } 
- 
-                keyMap.emplace_back(std::make_pair(++i, id)); 
-            } 
- 
-            const auto tableId = TTableId(index.GetPathOwnerId(), index.GetLocalPathId(), index.GetSchemaVersion()); 
-            auto indexTable = Navigate(server, sender, tableId, TNavigate::OpList); 
-            const auto& indexEntry = indexTable->ResultSet.at(0); 
- 
-            UNIT_ASSERT(indexEntry.ListNodeEntry); 
-            UNIT_ASSERT_VALUES_EQUAL(indexEntry.ListNodeEntry->Children.size(), 1); 
-            const auto& child = indexEntry.ListNodeEntry->Children.at(0); 
- 
-            UNIT_ASSERT(indexes.emplace(TTableId(child.PathId, child.SchemaVersion), std::move(keyMap)).second); 
-        } 
- 
-        return indexes; 
-    } 
- 
-    TVector<THolder<IEventHandle>> ConditionalEraseRowsDelayedPlan( 
-            TServer::TPtr server, const TActorId& sender, const TString& path, 
+            ui32 i = 0;
+            for (; i < index.KeyColumnNamesSize(); ++i) {
+                const TString& name = index.GetKeyColumnNames(i);
+                seen.insert(name);
+
+                UNIT_ASSERT(columnNameToId.contains(name));
+                keyMap.emplace_back(std::make_pair(i + 1, columnNameToId.at(name)));
+            }
+
+            for (const ui32 id : keyOrder) {
+                UNIT_ASSERT(mainEntry.Columns.contains(id));
+                if (seen.contains(mainEntry.Columns.at(id).Name)) {
+                    continue;
+                }
+
+                keyMap.emplace_back(std::make_pair(++i, id));
+            }
+
+            const auto tableId = TTableId(index.GetPathOwnerId(), index.GetLocalPathId(), index.GetSchemaVersion());
+            auto indexTable = Navigate(server, sender, tableId, TNavigate::OpList);
+            const auto& indexEntry = indexTable->ResultSet.at(0);
+
+            UNIT_ASSERT(indexEntry.ListNodeEntry);
+            UNIT_ASSERT_VALUES_EQUAL(indexEntry.ListNodeEntry->Children.size(), 1);
+            const auto& child = indexEntry.ListNodeEntry->Children.at(0);
+
+            UNIT_ASSERT(indexes.emplace(TTableId(child.PathId, child.SchemaVersion), std::move(keyMap)).second);
+        }
+
+        return indexes;
+    }
+
+    TVector<THolder<IEventHandle>> ConditionalEraseRowsDelayedPlan(
+            TServer::TPtr server, const TActorId& sender, const TString& path,
             const TTableId& tableId, ui32 columnId, ui64 threshold, const NDataShard::TIndexes& indexes) {
- 
-        TVector<THolder<IEventHandle>> delayed; 
- 
-        auto& runtime = *server->GetRuntime(); 
-        auto prevObserver = runtime.SetObserverFunc([&](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) { 
-            switch (ev->GetTypeRewrite()) { 
-            case TEvTxProxy::TEvProposeTransaction::EventType: 
-                delayed.emplace_back(ev.Release()); 
-                return TTestActorRuntime::EEventAction::DROP; 
-            default: 
-                return TTestActorRuntime::EEventAction::PROCESS; 
-            } 
-        }); 
- 
-        ConditionalEraseRows(server, sender, path, tableId, columnId, threshold, TUnit::AUTO, indexes); 
- 
-        if (delayed.size() < 1) { 
-            TDispatchOptions opts; 
-            opts.FinalEvents.emplace_back([&delayed](IEventHandle&) -> bool { 
-                return delayed.size() >= 1; 
-            }); 
-            runtime.DispatchEvents(opts); 
-        } 
- 
-        runtime.SetObserverFunc(prevObserver); 
-        return delayed; 
-    } 
- 
-    TVector<THolder<IEventHandle>> ConditionalEraseRowsDelayedResolve( 
-            TServer::TPtr server, const TActorId& sender, const TString& path, 
+
+        TVector<THolder<IEventHandle>> delayed;
+
+        auto& runtime = *server->GetRuntime();
+        auto prevObserver = runtime.SetObserverFunc([&](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) {
+            switch (ev->GetTypeRewrite()) {
+            case TEvTxProxy::TEvProposeTransaction::EventType:
+                delayed.emplace_back(ev.Release());
+                return TTestActorRuntime::EEventAction::DROP;
+            default:
+                return TTestActorRuntime::EEventAction::PROCESS;
+            }
+        });
+
+        ConditionalEraseRows(server, sender, path, tableId, columnId, threshold, TUnit::AUTO, indexes);
+
+        if (delayed.size() < 1) {
+            TDispatchOptions opts;
+            opts.FinalEvents.emplace_back([&delayed](IEventHandle&) -> bool {
+                return delayed.size() >= 1;
+            });
+            runtime.DispatchEvents(opts);
+        }
+
+        runtime.SetObserverFunc(prevObserver);
+        return delayed;
+    }
+
+    TVector<THolder<IEventHandle>> ConditionalEraseRowsDelayedResolve(
+            TServer::TPtr server, const TActorId& sender, const TString& path,
             const TTableId& tableId, ui32 columnId, ui64 threshold, const NDataShard::TIndexes& indexes) {
- 
-        TVector<THolder<IEventHandle>> delayed; 
-        TActorId eraser; 
- 
-        auto& runtime = *server->GetRuntime(); 
-        auto prevObserver = runtime.SetObserverFunc([&](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) { 
-            switch (ev->GetTypeRewrite()) { 
-            case TEvDataShard::TEvEraseRowsRequest::EventType: 
-                delayed.emplace_back(ev.Release()); 
-                return TTestActorRuntime::EEventAction::DROP; 
-            case TEvTxProxySchemeCache::TEvNavigateKeySetResult::EventType: 
-                if (ev->Recipient == eraser) { 
-                    delayed.emplace_back(ev.Release()); 
-                    return TTestActorRuntime::EEventAction::DROP; 
-                } 
-            case TEvTxUserProxy::TEvAllocateTxId::EventType: 
-                eraser = ev->Sender; 
-            default: 
-                return TTestActorRuntime::EEventAction::PROCESS; 
-            } 
-        }); 
- 
-        ConditionalEraseRows(server, sender, path, tableId, columnId, threshold, TUnit::AUTO, indexes); 
- 
-        if (!eraser) { 
-            TDispatchOptions opts; 
-            opts.FinalEvents.emplace_back([&eraser](IEventHandle&) -> bool { 
-                return !!eraser; 
-            }); 
-            runtime.DispatchEvents(opts); 
-        } 
- 
-        if (delayed.size() < 2) { 
-            TDispatchOptions opts; 
-            opts.FinalEvents.emplace_back([&delayed](IEventHandle&) -> bool { 
-                return delayed.size() >= 2; 
-            }); 
-            runtime.DispatchEvents(opts); 
-        } 
- 
-        runtime.SetObserverFunc(prevObserver); 
-        return delayed; 
-    } 
- 
-    void ConditionalEraseShouldSuccess( 
-            const TString& ttlColType, EUnit unit, 
-            const TString& toUpload, const THashMap<TString, TString>& afterErase, 
-            const THashMap<TString, ui32>& shardsConfig = {}) { 
-        using TEvResponse = TEvDataShard::TEvConditionalEraseRowsResponse; 
- 
-        TPortManager pm; 
-        TServerSettings serverSettings(pm.GetPort(2134)); 
-        serverSettings 
-            .SetDomainName("Root") 
+
+        TVector<THolder<IEventHandle>> delayed;
+        TActorId eraser;
+
+        auto& runtime = *server->GetRuntime();
+        auto prevObserver = runtime.SetObserverFunc([&](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) {
+            switch (ev->GetTypeRewrite()) {
+            case TEvDataShard::TEvEraseRowsRequest::EventType:
+                delayed.emplace_back(ev.Release());
+                return TTestActorRuntime::EEventAction::DROP;
+            case TEvTxProxySchemeCache::TEvNavigateKeySetResult::EventType:
+                if (ev->Recipient == eraser) {
+                    delayed.emplace_back(ev.Release());
+                    return TTestActorRuntime::EEventAction::DROP;
+                }
+            case TEvTxUserProxy::TEvAllocateTxId::EventType:
+                eraser = ev->Sender;
+            default:
+                return TTestActorRuntime::EEventAction::PROCESS;
+            }
+        });
+
+        ConditionalEraseRows(server, sender, path, tableId, columnId, threshold, TUnit::AUTO, indexes);
+
+        if (!eraser) {
+            TDispatchOptions opts;
+            opts.FinalEvents.emplace_back([&eraser](IEventHandle&) -> bool {
+                return !!eraser;
+            });
+            runtime.DispatchEvents(opts);
+        }
+
+        if (delayed.size() < 2) {
+            TDispatchOptions opts;
+            opts.FinalEvents.emplace_back([&delayed](IEventHandle&) -> bool {
+                return delayed.size() >= 2;
+            });
+            runtime.DispatchEvents(opts);
+        }
+
+        runtime.SetObserverFunc(prevObserver);
+        return delayed;
+    }
+
+    void ConditionalEraseShouldSuccess(
+            const TString& ttlColType, EUnit unit,
+            const TString& toUpload, const THashMap<TString, TString>& afterErase,
+            const THashMap<TString, ui32>& shardsConfig = {}) {
+        using TEvResponse = TEvDataShard::TEvConditionalEraseRowsResponse;
+
+        TPortManager pm;
+        TServerSettings serverSettings(pm.GetPort(2134));
+        serverSettings
+            .SetDomainName("Root")
             .SetUseRealThreads(false);
- 
-        TServer::TPtr server = new TServer(serverSettings); 
-        auto& runtime = *server->GetRuntime(); 
-        const TActorId sender = runtime.AllocateEdgeActor(); 
- 
-        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG); 
-        InitRoot(server, sender); 
- 
-        CreateIndexedTable(server, sender, "/Root", "table-1", ttlColType); 
-        ExecSQL(server, sender, toUpload); 
- 
-        if (shardsConfig) { 
-            SimulateSleep(server, TDuration::Seconds(1)); 
-            SetSplitMergePartCountLimit(&runtime, -1); 
-        } 
- 
-        for (const auto& [path, splitKey] : shardsConfig) { 
-            auto tabletIds = GetTableShards(server, sender, path); 
-            UNIT_ASSERT_VALUES_EQUAL(tabletIds.size(), 1); 
-            const ui64 txId = AsyncSplitTable(server, sender, path, tabletIds[0], splitKey); 
-            WaitTxNotification(server, sender, txId); 
-        } 
- 
-        auto tableId = ResolveTableId(server, sender, "/Root/table-1"); 
-        auto indexes = GetIndexes(server, sender, "/Root/table-1"); 
-        ConditionalEraseRows(server, sender, "/Root/table-1", tableId, 4, TInstant::Now().GetValue(), unit, indexes); 
- 
-        auto ev = server->GetRuntime()->GrabEdgeEventRethrow<TEvResponse>(sender); 
-        UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), TEvResponse::ProtoRecordType::OK); 
- 
-        for (const auto& [path, expectedContent] : afterErase) { 
-            auto content = ReadShardedTable(server, path); 
+
+        TServer::TPtr server = new TServer(serverSettings);
+        auto& runtime = *server->GetRuntime();
+        const TActorId sender = runtime.AllocateEdgeActor();
+
+        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG);
+        InitRoot(server, sender);
+
+        CreateIndexedTable(server, sender, "/Root", "table-1", ttlColType);
+        ExecSQL(server, sender, toUpload);
+
+        if (shardsConfig) {
+            SimulateSleep(server, TDuration::Seconds(1));
+            SetSplitMergePartCountLimit(&runtime, -1);
+        }
+
+        for (const auto& [path, splitKey] : shardsConfig) {
+            auto tabletIds = GetTableShards(server, sender, path);
+            UNIT_ASSERT_VALUES_EQUAL(tabletIds.size(), 1);
+            const ui64 txId = AsyncSplitTable(server, sender, path, tabletIds[0], splitKey);
+            WaitTxNotification(server, sender, txId);
+        }
+
+        auto tableId = ResolveTableId(server, sender, "/Root/table-1");
+        auto indexes = GetIndexes(server, sender, "/Root/table-1");
+        ConditionalEraseRows(server, sender, "/Root/table-1", tableId, 4, TInstant::Now().GetValue(), unit, indexes);
+
+        auto ev = server->GetRuntime()->GrabEdgeEventRethrow<TEvResponse>(sender);
+        UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), TEvResponse::ProtoRecordType::OK);
+
+        for (const auto& [path, expectedContent] : afterErase) {
+            auto content = ReadShardedTable(server, path);
             UNIT_ASSERT_STRINGS_EQUAL(StripInPlace(content), Strip(expectedContent));
-        } 
-    } 
- 
-    Y_UNIT_TEST(ConditionalEraseRowsShouldErase) { 
-        ConditionalEraseShouldSuccess("Timestamp", TUnit::AUTO, R"( 
-UPSERT INTO [/Root/table-1] (key, skey, tkey, value) VALUES 
-(1, 10, 400, CAST("1970-01-01T00:00:00.000000Z" AS Timestamp)), 
-(2, 20, 300, CAST("1990-03-01T00:00:00.000000Z" AS Timestamp)), 
-(3, 30, 200, CAST("2030-04-15T00:00:00.000000Z" AS Timestamp)), 
-(4, 40, 100, NULL); 
-        )", {{ 
-"/Root/table-1", R"( 
-key = 3, skey = 30, tkey = 200, value = 2030-04-15T00:00:00.000000Z 
-key = 4, skey = 40, tkey = 100, value = (empty maybe) 
-        )"}, { 
-"/Root/table-1/by_skey/indexImplTable", R"( 
-skey = 30, key = 3 
-skey = 40, key = 4 
-        )"}, { 
-"/Root/table-1/by_tkey/indexImplTable", R"( 
-tkey = 100, key = 4 
-tkey = 200, key = 3 
-        )"}}); 
-    } 
- 
-    Y_UNIT_TEST(ConditionalEraseRowsShouldEraseOnUint32) { 
-        ConditionalEraseShouldSuccess("Uint32", TUnit::SECONDS, R"( 
-UPSERT INTO [/Root/table-1] (key, skey, tkey, value) VALUES 
-(1, 10, 400, 0), 
-(2, 20, 300, 636249600), 
-(3, 30, 200, 1902441600), 
-(4, 40, 100, NULL); 
-        )", {{ 
-"/Root/table-1", R"( 
-key = 3, skey = 30, tkey = 200, value = 1902441600 
-key = 4, skey = 40, tkey = 100, value = (empty maybe) 
-        )"}, { 
-"/Root/table-1/by_skey/indexImplTable", R"( 
-skey = 30, key = 3 
-skey = 40, key = 4 
-        )"}, { 
-"/Root/table-1/by_tkey/indexImplTable", R"( 
-tkey = 100, key = 4 
-tkey = 200, key = 3 
-        )"}}); 
-    } 
- 
-    Y_UNIT_TEST(ConditionalEraseRowsShouldNotErase) { 
-        ConditionalEraseShouldSuccess("Timestamp", TUnit::AUTO, R"( 
-UPSERT INTO [/Root/table-1] (key, skey, tkey, value) VALUES 
-(1, 10, 300, CAST("2030-04-15T00:00:00.000000Z" AS Timestamp)), 
-(2, 20, 200, CAST("2030-04-15T00:00:00.000000Z" AS Timestamp)), 
-(3, 30, 100, CAST("2030-04-15T00:00:00.000000Z" AS Timestamp)); 
-        )", {{ 
-"/Root/table-1", R"( 
-key = 1, skey = 10, tkey = 300, value = 2030-04-15T00:00:00.000000Z 
-key = 2, skey = 20, tkey = 200, value = 2030-04-15T00:00:00.000000Z 
-key = 3, skey = 30, tkey = 100, value = 2030-04-15T00:00:00.000000Z 
-        )"}, { 
-"/Root/table-1/by_skey/indexImplTable", R"( 
-skey = 10, key = 1 
-skey = 20, key = 2 
-skey = 30, key = 3 
-        )"}, { 
-"/Root/table-1/by_tkey/indexImplTable", R"( 
-tkey = 100, key = 3 
-tkey = 200, key = 2 
-tkey = 300, key = 1 
-        )"}}); 
-    } 
- 
-    Y_UNIT_TEST(ConditionalEraseRowsShouldSuccessOnShardedIndex) { 
-        ConditionalEraseShouldSuccess("Timestamp", TUnit::AUTO, R"( 
-UPSERT INTO [/Root/table-1] (key, skey, tkey, value) VALUES 
-(1, 10, 400, CAST("1970-01-01T00:00:00.000000Z" AS Timestamp)), 
-(2, 20, 300, CAST("1990-03-01T00:00:00.000000Z" AS Timestamp)), 
-(3, 30, 200, CAST("2020-04-15T00:00:00.000000Z" AS Timestamp)), 
-(4, 40, 100, NULL); 
-        )", {{ 
-"/Root/table-1", R"( 
-key = 4, skey = 40, tkey = 100, value = (empty maybe) 
-        )"}, { 
-"/Root/table-1/by_skey/indexImplTable", R"( 
-skey = 40, key = 4 
-        )"}, { 
-"/Root/table-1/by_tkey/indexImplTable", R"( 
-tkey = 100, key = 4 
-        )"}}, {{ 
-"/Root/table-1/by_skey/indexImplTable", 20 
-        }, { 
-"/Root/table-1/by_tkey/indexImplTable", 300 
-        }}); 
-    } 
- 
-    Y_UNIT_TEST(ConditionalEraseRowsShouldNotEraseModifiedRows) { 
-        using TEvResponse = TEvDataShard::TEvConditionalEraseRowsResponse; 
- 
-        TPortManager pm; 
-        TServerSettings serverSettings(pm.GetPort(2134)); 
-        serverSettings 
-            .SetDomainName("Root") 
+        }
+    }
+
+    Y_UNIT_TEST(ConditionalEraseRowsShouldErase) {
+        ConditionalEraseShouldSuccess("Timestamp", TUnit::AUTO, R"(
+UPSERT INTO [/Root/table-1] (key, skey, tkey, value) VALUES
+(1, 10, 400, CAST("1970-01-01T00:00:00.000000Z" AS Timestamp)),
+(2, 20, 300, CAST("1990-03-01T00:00:00.000000Z" AS Timestamp)),
+(3, 30, 200, CAST("2030-04-15T00:00:00.000000Z" AS Timestamp)),
+(4, 40, 100, NULL);
+        )", {{
+"/Root/table-1", R"(
+key = 3, skey = 30, tkey = 200, value = 2030-04-15T00:00:00.000000Z
+key = 4, skey = 40, tkey = 100, value = (empty maybe)
+        )"}, {
+"/Root/table-1/by_skey/indexImplTable", R"(
+skey = 30, key = 3
+skey = 40, key = 4
+        )"}, {
+"/Root/table-1/by_tkey/indexImplTable", R"(
+tkey = 100, key = 4
+tkey = 200, key = 3
+        )"}});
+    }
+
+    Y_UNIT_TEST(ConditionalEraseRowsShouldEraseOnUint32) {
+        ConditionalEraseShouldSuccess("Uint32", TUnit::SECONDS, R"(
+UPSERT INTO [/Root/table-1] (key, skey, tkey, value) VALUES
+(1, 10, 400, 0),
+(2, 20, 300, 636249600),
+(3, 30, 200, 1902441600),
+(4, 40, 100, NULL);
+        )", {{
+"/Root/table-1", R"(
+key = 3, skey = 30, tkey = 200, value = 1902441600
+key = 4, skey = 40, tkey = 100, value = (empty maybe)
+        )"}, {
+"/Root/table-1/by_skey/indexImplTable", R"(
+skey = 30, key = 3
+skey = 40, key = 4
+        )"}, {
+"/Root/table-1/by_tkey/indexImplTable", R"(
+tkey = 100, key = 4
+tkey = 200, key = 3
+        )"}});
+    }
+
+    Y_UNIT_TEST(ConditionalEraseRowsShouldNotErase) {
+        ConditionalEraseShouldSuccess("Timestamp", TUnit::AUTO, R"(
+UPSERT INTO [/Root/table-1] (key, skey, tkey, value) VALUES
+(1, 10, 300, CAST("2030-04-15T00:00:00.000000Z" AS Timestamp)),
+(2, 20, 200, CAST("2030-04-15T00:00:00.000000Z" AS Timestamp)),
+(3, 30, 100, CAST("2030-04-15T00:00:00.000000Z" AS Timestamp));
+        )", {{
+"/Root/table-1", R"(
+key = 1, skey = 10, tkey = 300, value = 2030-04-15T00:00:00.000000Z
+key = 2, skey = 20, tkey = 200, value = 2030-04-15T00:00:00.000000Z
+key = 3, skey = 30, tkey = 100, value = 2030-04-15T00:00:00.000000Z
+        )"}, {
+"/Root/table-1/by_skey/indexImplTable", R"(
+skey = 10, key = 1
+skey = 20, key = 2
+skey = 30, key = 3
+        )"}, {
+"/Root/table-1/by_tkey/indexImplTable", R"(
+tkey = 100, key = 3
+tkey = 200, key = 2
+tkey = 300, key = 1
+        )"}});
+    }
+
+    Y_UNIT_TEST(ConditionalEraseRowsShouldSuccessOnShardedIndex) {
+        ConditionalEraseShouldSuccess("Timestamp", TUnit::AUTO, R"(
+UPSERT INTO [/Root/table-1] (key, skey, tkey, value) VALUES
+(1, 10, 400, CAST("1970-01-01T00:00:00.000000Z" AS Timestamp)),
+(2, 20, 300, CAST("1990-03-01T00:00:00.000000Z" AS Timestamp)),
+(3, 30, 200, CAST("2020-04-15T00:00:00.000000Z" AS Timestamp)),
+(4, 40, 100, NULL);
+        )", {{
+"/Root/table-1", R"(
+key = 4, skey = 40, tkey = 100, value = (empty maybe)
+        )"}, {
+"/Root/table-1/by_skey/indexImplTable", R"(
+skey = 40, key = 4
+        )"}, {
+"/Root/table-1/by_tkey/indexImplTable", R"(
+tkey = 100, key = 4
+        )"}}, {{
+"/Root/table-1/by_skey/indexImplTable", 20
+        }, {
+"/Root/table-1/by_tkey/indexImplTable", 300
+        }});
+    }
+
+    Y_UNIT_TEST(ConditionalEraseRowsShouldNotEraseModifiedRows) {
+        using TEvResponse = TEvDataShard::TEvConditionalEraseRowsResponse;
+
+        TPortManager pm;
+        TServerSettings serverSettings(pm.GetPort(2134));
+        serverSettings
+            .SetDomainName("Root")
             .SetUseRealThreads(false);
- 
-        TServer::TPtr server = new TServer(serverSettings); 
-        auto& runtime = *server->GetRuntime(); 
-        const TActorId sender = runtime.AllocateEdgeActor(); 
- 
-        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG); 
-        InitRoot(server, sender); 
- 
-        CreateIndexedTable(server, sender, "/Root", "table-1"); 
-        ExecSQL(server, sender, R"( 
-            UPSERT INTO [/Root/table-1] (key, skey, tkey, value) VALUES 
-            (1, 10, 300, CAST("1970-01-01T00:00:00.000000Z" AS Timestamp)), 
-            (2, 20, 200, CAST("1990-03-01T00:00:00.000000Z" AS Timestamp)), 
-            (3, 30, 100, CAST("2020-04-15T00:00:00.000000Z" AS Timestamp)); 
-        )"); 
- 
-        auto tableId = ResolveTableId(server, sender, "/Root/table-1"); 
-        auto indexes = GetIndexes(server, sender, "/Root/table-1"); 
-        auto delayed = ConditionalEraseRowsDelayedPlan(server, sender, "/Root/table-1", 
-            tableId, 4, TInstant::Now().GetValue(), indexes); 
- 
-        // case 1: modify ttl column 
-        ExecSQL(server, sender, R"( 
-            UPSERT INTO [/Root/table-1] (key, skey, tkey, value) VALUES 
-            (3, 90, 900, CAST("2030-04-15T00:00:00.000000Z" AS Timestamp)); 
-        )"); 
- 
-        for (auto& ev : delayed) { 
-            runtime.Send(ev.Release(), 0, true); 
-        } 
- 
-        { 
-            auto ev = server->GetRuntime()->GrabEdgeEventRethrow<TEvResponse>(sender); 
-            UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), TEvResponse::ProtoRecordType::OK); 
-        } 
-        { 
-            auto content = ReadShardedTable(server, "/Root/table-1"); 
+
+        TServer::TPtr server = new TServer(serverSettings);
+        auto& runtime = *server->GetRuntime();
+        const TActorId sender = runtime.AllocateEdgeActor();
+
+        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG);
+        InitRoot(server, sender);
+
+        CreateIndexedTable(server, sender, "/Root", "table-1");
+        ExecSQL(server, sender, R"(
+            UPSERT INTO [/Root/table-1] (key, skey, tkey, value) VALUES
+            (1, 10, 300, CAST("1970-01-01T00:00:00.000000Z" AS Timestamp)),
+            (2, 20, 200, CAST("1990-03-01T00:00:00.000000Z" AS Timestamp)),
+            (3, 30, 100, CAST("2020-04-15T00:00:00.000000Z" AS Timestamp));
+        )");
+
+        auto tableId = ResolveTableId(server, sender, "/Root/table-1");
+        auto indexes = GetIndexes(server, sender, "/Root/table-1");
+        auto delayed = ConditionalEraseRowsDelayedPlan(server, sender, "/Root/table-1",
+            tableId, 4, TInstant::Now().GetValue(), indexes);
+
+        // case 1: modify ttl column
+        ExecSQL(server, sender, R"(
+            UPSERT INTO [/Root/table-1] (key, skey, tkey, value) VALUES
+            (3, 90, 900, CAST("2030-04-15T00:00:00.000000Z" AS Timestamp));
+        )");
+
+        for (auto& ev : delayed) {
+            runtime.Send(ev.Release(), 0, true);
+        }
+
+        {
+            auto ev = server->GetRuntime()->GrabEdgeEventRethrow<TEvResponse>(sender);
+            UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), TEvResponse::ProtoRecordType::OK);
+        }
+        {
+            auto content = ReadShardedTable(server, "/Root/table-1");
             UNIT_ASSERT_STRINGS_EQUAL(StripInPlace(content), "key = 3, skey = 90, tkey = 900, value = 2030-04-15T00:00:00.000000Z");
-        } 
-        { 
-            auto content = ReadShardedTable(server, "/Root/table-1/by_skey/indexImplTable"); 
+        }
+        {
+            auto content = ReadShardedTable(server, "/Root/table-1/by_skey/indexImplTable");
             UNIT_ASSERT_STRINGS_EQUAL(StripInPlace(content), "skey = 90, key = 3");
-        } 
-        { 
-            auto content = ReadShardedTable(server, "/Root/table-1/by_tkey/indexImplTable"); 
+        }
+        {
+            auto content = ReadShardedTable(server, "/Root/table-1/by_tkey/indexImplTable");
             UNIT_ASSERT_STRINGS_EQUAL(StripInPlace(content), "tkey = 900, key = 3");
-        } 
- 
-        // restore previous value in ttl column 
-        ExecSQL(server, sender, R"( 
-            UPSERT INTO [/Root/table-1] (key, skey, tkey, value) VALUES 
-            (3, 90, 900, CAST("2020-04-15T00:00:00.000000Z" AS Timestamp)); 
-        )"); 
- 
-        delayed = ConditionalEraseRowsDelayedPlan(server, sender, "/Root/table-1", 
-            tableId, 4, TInstant::Now().GetValue(), indexes); 
- 
-        // case 2: modify index column 
-        ExecSQL(server, sender, R"( 
-            UPSERT INTO [/Root/table-1] (key, skey, tkey, value) VALUES 
-            (3, 30, 100, CAST("2020-04-15T00:00:00.000000Z" AS Timestamp)); 
-        )"); 
- 
-        for (auto& ev : delayed) { 
-            runtime.Send(ev.Release(), 0, true); 
-        } 
- 
-        { 
-            auto ev = server->GetRuntime()->GrabEdgeEventRethrow<TEvResponse>(sender); 
-            UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), TEvResponse::ProtoRecordType::OK); 
-        } 
-        { 
-            auto content = ReadShardedTable(server, "/Root/table-1"); 
-            UNIT_ASSERT_STRINGS_EQUAL(StripInPlace(content), "key = 3, skey = 30, tkey = 100, value = 2020-04-15T00:00:00.000000Z"); 
-        } 
-        { 
-            auto content = ReadShardedTable(server, "/Root/table-1/by_skey/indexImplTable"); 
-            UNIT_ASSERT_STRINGS_EQUAL(StripInPlace(content), "skey = 30, key = 3"); 
-        } 
-        { 
-            auto content = ReadShardedTable(server, "/Root/table-1/by_tkey/indexImplTable"); 
-            UNIT_ASSERT_STRINGS_EQUAL(StripInPlace(content), "tkey = 100, key = 3"); 
-        } 
- 
-        // after one more run, all records should be deleted 
-        ConditionalEraseRows(server, sender, "/Root/table-1", tableId, 4, TInstant::Now().GetValue(), TUnit::AUTO, indexes); 
-        { 
-            auto ev = server->GetRuntime()->GrabEdgeEventRethrow<TEvResponse>(sender); 
-            UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), TEvResponse::ProtoRecordType::OK); 
-        } 
-        { 
-            auto content = ReadShardedTable(server, "/Root/table-1"); 
-            UNIT_ASSERT_STRINGS_EQUAL(StripInPlace(content), ""); 
-        } 
-        { 
-            auto content = ReadShardedTable(server, "/Root/table-1/by_skey/indexImplTable"); 
-            UNIT_ASSERT_STRINGS_EQUAL(StripInPlace(content), ""); 
-        } 
-        { 
-            auto content = ReadShardedTable(server, "/Root/table-1/by_tkey/indexImplTable"); 
-            UNIT_ASSERT_STRINGS_EQUAL(StripInPlace(content), ""); 
-        } 
-    } 
- 
-    Y_UNIT_TEST(ConditionalEraseRowsShouldNotFailOnMissingRows) { 
-        using TEvResponse = TEvDataShard::TEvConditionalEraseRowsResponse; 
- 
-        TPortManager pm; 
-        TServerSettings serverSettings(pm.GetPort(2134)); 
-        serverSettings 
-            .SetDomainName("Root") 
+        }
+
+        // restore previous value in ttl column
+        ExecSQL(server, sender, R"(
+            UPSERT INTO [/Root/table-1] (key, skey, tkey, value) VALUES
+            (3, 90, 900, CAST("2020-04-15T00:00:00.000000Z" AS Timestamp));
+        )");
+
+        delayed = ConditionalEraseRowsDelayedPlan(server, sender, "/Root/table-1",
+            tableId, 4, TInstant::Now().GetValue(), indexes);
+
+        // case 2: modify index column
+        ExecSQL(server, sender, R"(
+            UPSERT INTO [/Root/table-1] (key, skey, tkey, value) VALUES
+            (3, 30, 100, CAST("2020-04-15T00:00:00.000000Z" AS Timestamp));
+        )");
+
+        for (auto& ev : delayed) {
+            runtime.Send(ev.Release(), 0, true);
+        }
+
+        {
+            auto ev = server->GetRuntime()->GrabEdgeEventRethrow<TEvResponse>(sender);
+            UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), TEvResponse::ProtoRecordType::OK);
+        }
+        {
+            auto content = ReadShardedTable(server, "/Root/table-1");
+            UNIT_ASSERT_STRINGS_EQUAL(StripInPlace(content), "key = 3, skey = 30, tkey = 100, value = 2020-04-15T00:00:00.000000Z");
+        }
+        {
+            auto content = ReadShardedTable(server, "/Root/table-1/by_skey/indexImplTable");
+            UNIT_ASSERT_STRINGS_EQUAL(StripInPlace(content), "skey = 30, key = 3");
+        }
+        {
+            auto content = ReadShardedTable(server, "/Root/table-1/by_tkey/indexImplTable");
+            UNIT_ASSERT_STRINGS_EQUAL(StripInPlace(content), "tkey = 100, key = 3");
+        }
+
+        // after one more run, all records should be deleted
+        ConditionalEraseRows(server, sender, "/Root/table-1", tableId, 4, TInstant::Now().GetValue(), TUnit::AUTO, indexes);
+        {
+            auto ev = server->GetRuntime()->GrabEdgeEventRethrow<TEvResponse>(sender);
+            UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), TEvResponse::ProtoRecordType::OK);
+        }
+        {
+            auto content = ReadShardedTable(server, "/Root/table-1");
+            UNIT_ASSERT_STRINGS_EQUAL(StripInPlace(content), "");
+        }
+        {
+            auto content = ReadShardedTable(server, "/Root/table-1/by_skey/indexImplTable");
+            UNIT_ASSERT_STRINGS_EQUAL(StripInPlace(content), "");
+        }
+        {
+            auto content = ReadShardedTable(server, "/Root/table-1/by_tkey/indexImplTable");
+            UNIT_ASSERT_STRINGS_EQUAL(StripInPlace(content), "");
+        }
+    }
+
+    Y_UNIT_TEST(ConditionalEraseRowsShouldNotFailOnMissingRows) {
+        using TEvResponse = TEvDataShard::TEvConditionalEraseRowsResponse;
+
+        TPortManager pm;
+        TServerSettings serverSettings(pm.GetPort(2134));
+        serverSettings
+            .SetDomainName("Root")
             .SetUseRealThreads(false);
- 
-        TServer::TPtr server = new TServer(serverSettings); 
-        auto& runtime = *server->GetRuntime(); 
-        const TActorId sender = runtime.AllocateEdgeActor(); 
- 
-        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG); 
-        InitRoot(server, sender); 
- 
-        CreateIndexedTable(server, sender, "/Root", "table-1"); 
-        ExecSQL(server, sender, R"( 
-            UPSERT INTO [/Root/table-1] (key, skey, tkey, value) VALUES 
-            (1, 10, 400, CAST("1970-01-01T00:00:00.000000Z" AS Timestamp)), 
-            (2, 20, 300, CAST("1990-03-01T00:00:00.000000Z" AS Timestamp)), 
-            (3, 30, 200, CAST("2020-04-15T00:00:00.000000Z" AS Timestamp)), 
-            (4, 40, 100, CAST("2030-04-15T00:00:00.000000Z" AS Timestamp)); 
-        )"); 
- 
-        auto tableId = ResolveTableId(server, sender, "/Root/table-1"); 
-        auto indexes = GetIndexes(server, sender, "/Root/table-1"); 
-        auto delayed = ConditionalEraseRowsDelayedPlan(server, sender, "/Root/table-1", 
-            tableId, 4, TInstant::Now().GetValue(), indexes); 
- 
-        ExecSQL(server, sender, "DELETE FROM [/Root/table-1] WHERE key < 3;"); 
- 
-        for (auto& ev : delayed) { 
-            runtime.Send(ev.Release(), 0, true); 
-        } 
- 
-        auto ev = server->GetRuntime()->GrabEdgeEventRethrow<TEvResponse>(sender); 
-        UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), TEvResponse::ProtoRecordType::OK); 
- 
-        { 
-            auto content = ReadShardedTable(server, "/Root/table-1"); 
-            UNIT_ASSERT_STRINGS_EQUAL(StripInPlace(content), "key = 4, skey = 40, tkey = 100, value = 2030-04-15T00:00:00.000000Z"); 
-        } 
-        { 
-            auto content = ReadShardedTable(server, "/Root/table-1/by_skey/indexImplTable"); 
-            UNIT_ASSERT_STRINGS_EQUAL(StripInPlace(content), "skey = 40, key = 4"); 
-        } 
-        { 
-            auto content = ReadShardedTable(server, "/Root/table-1/by_tkey/indexImplTable"); 
-            UNIT_ASSERT_STRINGS_EQUAL(StripInPlace(content), "tkey = 100, key = 4"); 
-        } 
-    } 
- 
-    Y_UNIT_TEST(ConditionalEraseRowsShouldFailOnVariousErrors) { 
-        using TEvRequest = TEvDataShard::TEvEraseRowsRequest; 
-        using TEvResponse = TEvDataShard::TEvEraseRowsResponse; 
-        using TEvNavigate = TEvTxProxySchemeCache::TEvNavigateKeySetResult; 
-        using TEvResolve = TEvTxProxySchemeCache::TEvResolveKeySetResult; 
- 
-        TPortManager pm; 
-        TServerSettings serverSettings(pm.GetPort(2134)); 
-        serverSettings 
-            .SetDomainName("Root") 
+
+        TServer::TPtr server = new TServer(serverSettings);
+        auto& runtime = *server->GetRuntime();
+        const TActorId sender = runtime.AllocateEdgeActor();
+
+        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG);
+        InitRoot(server, sender);
+
+        CreateIndexedTable(server, sender, "/Root", "table-1");
+        ExecSQL(server, sender, R"(
+            UPSERT INTO [/Root/table-1] (key, skey, tkey, value) VALUES
+            (1, 10, 400, CAST("1970-01-01T00:00:00.000000Z" AS Timestamp)),
+            (2, 20, 300, CAST("1990-03-01T00:00:00.000000Z" AS Timestamp)),
+            (3, 30, 200, CAST("2020-04-15T00:00:00.000000Z" AS Timestamp)),
+            (4, 40, 100, CAST("2030-04-15T00:00:00.000000Z" AS Timestamp));
+        )");
+
+        auto tableId = ResolveTableId(server, sender, "/Root/table-1");
+        auto indexes = GetIndexes(server, sender, "/Root/table-1");
+        auto delayed = ConditionalEraseRowsDelayedPlan(server, sender, "/Root/table-1",
+            tableId, 4, TInstant::Now().GetValue(), indexes);
+
+        ExecSQL(server, sender, "DELETE FROM [/Root/table-1] WHERE key < 3;");
+
+        for (auto& ev : delayed) {
+            runtime.Send(ev.Release(), 0, true);
+        }
+
+        auto ev = server->GetRuntime()->GrabEdgeEventRethrow<TEvResponse>(sender);
+        UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), TEvResponse::ProtoRecordType::OK);
+
+        {
+            auto content = ReadShardedTable(server, "/Root/table-1");
+            UNIT_ASSERT_STRINGS_EQUAL(StripInPlace(content), "key = 4, skey = 40, tkey = 100, value = 2030-04-15T00:00:00.000000Z");
+        }
+        {
+            auto content = ReadShardedTable(server, "/Root/table-1/by_skey/indexImplTable");
+            UNIT_ASSERT_STRINGS_EQUAL(StripInPlace(content), "skey = 40, key = 4");
+        }
+        {
+            auto content = ReadShardedTable(server, "/Root/table-1/by_tkey/indexImplTable");
+            UNIT_ASSERT_STRINGS_EQUAL(StripInPlace(content), "tkey = 100, key = 4");
+        }
+    }
+
+    Y_UNIT_TEST(ConditionalEraseRowsShouldFailOnVariousErrors) {
+        using TEvRequest = TEvDataShard::TEvEraseRowsRequest;
+        using TEvResponse = TEvDataShard::TEvEraseRowsResponse;
+        using TEvNavigate = TEvTxProxySchemeCache::TEvNavigateKeySetResult;
+        using TEvResolve = TEvTxProxySchemeCache::TEvResolveKeySetResult;
+
+        TPortManager pm;
+        TServerSettings serverSettings(pm.GetPort(2134));
+        serverSettings
+            .SetDomainName("Root")
             .SetUseRealThreads(false);
- 
-        TServer::TPtr server = new TServer(serverSettings); 
-        auto& runtime = *server->GetRuntime(); 
-        const TActorId sender = runtime.AllocateEdgeActor(); 
- 
-        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG); 
-        InitRoot(server, sender); 
- 
-        CreateIndexedTable(server, sender, "/Root", "table-1"); 
-        auto tableId = ResolveTableId(server, sender, "/Root/table-1"); 
-        auto indexes = GetIndexes(server, sender, "/Root/table-1"); 
- 
-        using TSimpleEventObserver = std::function<void(TAutoPtr<IEventHandle>&)>; 
-        auto check = [&](TEvResponse::ProtoRecordType::EStatus status, const TString& error, TSimpleEventObserver observer) { 
-            auto prevObserver = runtime.SetObserverFunc([observer](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) { 
-                observer(ev); 
-                return TTestActorRuntime::EEventAction::PROCESS; 
-            }); 
- 
+
+        TServer::TPtr server = new TServer(serverSettings);
+        auto& runtime = *server->GetRuntime();
+        const TActorId sender = runtime.AllocateEdgeActor();
+
+        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG);
+        InitRoot(server, sender);
+
+        CreateIndexedTable(server, sender, "/Root", "table-1");
+        auto tableId = ResolveTableId(server, sender, "/Root/table-1");
+        auto indexes = GetIndexes(server, sender, "/Root/table-1");
+
+        using TSimpleEventObserver = std::function<void(TAutoPtr<IEventHandle>&)>;
+        auto check = [&](TEvResponse::ProtoRecordType::EStatus status, const TString& error, TSimpleEventObserver observer) {
+            auto prevObserver = runtime.SetObserverFunc([observer](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) {
+                observer(ev);
+                return TTestActorRuntime::EEventAction::PROCESS;
+            });
+
             const auto eraser = runtime.Register(NDataShard::CreateDistributedEraser(sender, tableId, indexes));
-            auto ev = runtime.GrabEdgeEventRethrow<TEvResponse>(sender); 
-            UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), status); 
-            UNIT_ASSERT_STRING_CONTAINS(ev->Get()->Record.GetErrorDescription(), error); 
-            runtime.Send(new IEventHandle(eraser, sender, new TEvents::TEvPoisonPill())); 
- 
-            runtime.SetObserverFunc(prevObserver); 
-        }; 
- 
-        /// resolve tables 
- 
-        check(TEvResponse::ProtoRecordType::SCHEME_ERROR, "Empty result", [](TAutoPtr<IEventHandle>& ev) { 
-            if (ev->GetTypeRewrite() == TEvNavigate::EventType) { 
-                ev->Get<TEvNavigate>()->Request.Reset(); 
-            } 
-        }); 
- 
-        check(TEvResponse::ProtoRecordType::SCHEME_ERROR, "Entries count mismatch", [](TAutoPtr<IEventHandle>& ev) { 
-            if (ev->GetTypeRewrite() == TEvNavigate::EventType) { 
-                ev->Get<TEvNavigate>()->Request->ResultSet.clear(); 
-            } 
-        }); 
- 
-        check(TEvResponse::ProtoRecordType::SCHEME_ERROR, "Failed to resolve table", [](TAutoPtr<IEventHandle>& ev) { 
-            if (ev->GetTypeRewrite() == TEvNavigate::EventType) { 
-                ev->Get<TEvNavigate>()->Request->ResultSet.at(0).Status = TNavigate::EStatus::Unknown; 
-            } 
-        }); 
- 
-        check(TEvResponse::ProtoRecordType::SCHEME_ERROR, "Main table's path id mismatch", [](TAutoPtr<IEventHandle>& ev) { 
-            if (ev->GetTypeRewrite() == TEvNavigate::EventType) { 
-                ev->Get<TEvNavigate>()->Request->ResultSet.at(0).TableId = TTableId(); 
-            } 
-        }); 
- 
-        check(TEvResponse::ProtoRecordType::SCHEME_ERROR, "Main table's schema version mismatch", [](TAutoPtr<IEventHandle>& ev) { 
-            if (ev->GetTypeRewrite() == TEvNavigate::EventType) { 
-                ev->Get<TEvNavigate>()->Request->ResultSet.at(0).TableId.SchemaVersion = 0; 
-            } 
-        }); 
- 
-        check(TEvResponse::ProtoRecordType::SCHEME_ERROR, "Indexes count mismatch", [](TAutoPtr<IEventHandle>& ev) { 
-            if (ev->GetTypeRewrite() == TEvNavigate::EventType) { 
-                ev->Get<TEvNavigate>()->Request->ResultSet.at(0).Indexes.clear(); 
-            } 
-        }); 
- 
-        check(TEvResponse::ProtoRecordType::SCHEME_ERROR, "Invalid index state", [](TAutoPtr<IEventHandle>& ev) { 
-            if (ev->GetTypeRewrite() == TEvNavigate::EventType) { 
+            auto ev = runtime.GrabEdgeEventRethrow<TEvResponse>(sender);
+            UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), status);
+            UNIT_ASSERT_STRING_CONTAINS(ev->Get()->Record.GetErrorDescription(), error);
+            runtime.Send(new IEventHandle(eraser, sender, new TEvents::TEvPoisonPill()));
+
+            runtime.SetObserverFunc(prevObserver);
+        };
+
+        /// resolve tables
+
+        check(TEvResponse::ProtoRecordType::SCHEME_ERROR, "Empty result", [](TAutoPtr<IEventHandle>& ev) {
+            if (ev->GetTypeRewrite() == TEvNavigate::EventType) {
+                ev->Get<TEvNavigate>()->Request.Reset();
+            }
+        });
+
+        check(TEvResponse::ProtoRecordType::SCHEME_ERROR, "Entries count mismatch", [](TAutoPtr<IEventHandle>& ev) {
+            if (ev->GetTypeRewrite() == TEvNavigate::EventType) {
+                ev->Get<TEvNavigate>()->Request->ResultSet.clear();
+            }
+        });
+
+        check(TEvResponse::ProtoRecordType::SCHEME_ERROR, "Failed to resolve table", [](TAutoPtr<IEventHandle>& ev) {
+            if (ev->GetTypeRewrite() == TEvNavigate::EventType) {
+                ev->Get<TEvNavigate>()->Request->ResultSet.at(0).Status = TNavigate::EStatus::Unknown;
+            }
+        });
+
+        check(TEvResponse::ProtoRecordType::SCHEME_ERROR, "Main table's path id mismatch", [](TAutoPtr<IEventHandle>& ev) {
+            if (ev->GetTypeRewrite() == TEvNavigate::EventType) {
+                ev->Get<TEvNavigate>()->Request->ResultSet.at(0).TableId = TTableId();
+            }
+        });
+
+        check(TEvResponse::ProtoRecordType::SCHEME_ERROR, "Main table's schema version mismatch", [](TAutoPtr<IEventHandle>& ev) {
+            if (ev->GetTypeRewrite() == TEvNavigate::EventType) {
+                ev->Get<TEvNavigate>()->Request->ResultSet.at(0).TableId.SchemaVersion = 0;
+            }
+        });
+
+        check(TEvResponse::ProtoRecordType::SCHEME_ERROR, "Indexes count mismatch", [](TAutoPtr<IEventHandle>& ev) {
+            if (ev->GetTypeRewrite() == TEvNavigate::EventType) {
+                ev->Get<TEvNavigate>()->Request->ResultSet.at(0).Indexes.clear();
+            }
+        });
+
+        check(TEvResponse::ProtoRecordType::SCHEME_ERROR, "Invalid index state", [](TAutoPtr<IEventHandle>& ev) {
+            if (ev->GetTypeRewrite() == TEvNavigate::EventType) {
                 ev->Get<TEvNavigate>()->Request->ResultSet.at(0).Indexes.at(0).SetState(NKikimrSchemeOp::EIndexStateInvalid);
-            } 
-        }); 
- 
-        check(TEvResponse::ProtoRecordType::SCHEME_ERROR, "Failed to resolve table", [](TAutoPtr<IEventHandle>& ev) { 
-            if (ev->GetTypeRewrite() == TEvNavigate::EventType) { 
-                ev->Get<TEvNavigate>()->Request->ResultSet.at(1).Status = TNavigate::EStatus::Unknown; 
-            } 
-        }); 
- 
-        check(TEvResponse::ProtoRecordType::SCHEME_ERROR, "Unknown index", [](TAutoPtr<IEventHandle>& ev) { 
-            if (ev->GetTypeRewrite() == TEvNavigate::EventType) { 
-                ev->Get<TEvNavigate>()->Request->ResultSet.at(1).TableId = TTableId(); 
-            } 
-        }); 
- 
-        check(TEvResponse::ProtoRecordType::SCHEME_ERROR, "Duplicate index", [](TAutoPtr<IEventHandle>& ev) { 
-            if (ev->GetTypeRewrite() == TEvNavigate::EventType) { 
-                auto& resultSet = ev->Get<TEvNavigate>()->Request->ResultSet; 
-                resultSet.at(1).TableId = resultSet.at(2).TableId; 
-            } 
-        }); 
- 
-        check(TEvResponse::ProtoRecordType::SCHEME_ERROR, "Empty domain info", [](TAutoPtr<IEventHandle>& ev) { 
-            if (ev->GetTypeRewrite() == TEvNavigate::EventType) { 
-                ev->Get<TEvNavigate>()->Request->ResultSet.at(0).DomainInfo.Drop(); 
-            } 
-        }); 
- 
-        check(TEvResponse::ProtoRecordType::SCHEME_ERROR, "Failed locality check", [](TAutoPtr<IEventHandle>& ev) { 
-            if (ev->GetTypeRewrite() == TEvNavigate::EventType) { 
-                ev->Get<TEvNavigate>()->Request->ResultSet.at(0).DomainInfo = new NSchemeCache::TDomainInfo(TPathId(), TPathId()); 
-            } 
-        }); 
- 
-        /// resolve keys 
- 
-        check(TEvResponse::ProtoRecordType::SCHEME_ERROR, "Empty result", [](TAutoPtr<IEventHandle>& ev) { 
-            if (ev->GetTypeRewrite() == TEvResolve::EventType) { 
-                ev->Get<TEvResolve>()->Request.Reset(); 
-            } 
-        }); 
- 
-        check(TEvResponse::ProtoRecordType::SCHEME_ERROR, "Entries count mismatch", [](TAutoPtr<IEventHandle>& ev) { 
-            if (ev->GetTypeRewrite() == TEvResolve::EventType) { 
-                ev->Get<TEvResolve>()->Request->ResultSet.clear(); 
-            } 
-        }); 
- 
-        check(TEvResponse::ProtoRecordType::SCHEME_ERROR, "Failed to resolve table", [](TAutoPtr<IEventHandle>& ev) { 
-            if (ev->GetTypeRewrite() == TEvResolve::EventType) { 
-                ev->Get<TEvResolve>()->Request->ResultSet.at(0).Status = TResolve::EStatus::Unknown; 
-            } 
-        }); 
- 
-        check(TEvResponse::ProtoRecordType::SCHEME_ERROR, "Empty partitions list", [](TAutoPtr<IEventHandle>& ev) { 
-            if (ev->GetTypeRewrite() == TEvResolve::EventType) { 
-                ev->Get<TEvResolve>()->Request->ResultSet.at(0).KeyDescription->Partitions.clear(); 
-            } 
-        }); 
- 
-        /// process request 
- 
-        using TRequestMaker = std::function<IEventBase*(void)>; 
-        auto badRequest = [&](TEvResponse::ProtoRecordType::EStatus status, const TString& error, TRequestMaker maker) { 
+            }
+        });
+
+        check(TEvResponse::ProtoRecordType::SCHEME_ERROR, "Failed to resolve table", [](TAutoPtr<IEventHandle>& ev) {
+            if (ev->GetTypeRewrite() == TEvNavigate::EventType) {
+                ev->Get<TEvNavigate>()->Request->ResultSet.at(1).Status = TNavigate::EStatus::Unknown;
+            }
+        });
+
+        check(TEvResponse::ProtoRecordType::SCHEME_ERROR, "Unknown index", [](TAutoPtr<IEventHandle>& ev) {
+            if (ev->GetTypeRewrite() == TEvNavigate::EventType) {
+                ev->Get<TEvNavigate>()->Request->ResultSet.at(1).TableId = TTableId();
+            }
+        });
+
+        check(TEvResponse::ProtoRecordType::SCHEME_ERROR, "Duplicate index", [](TAutoPtr<IEventHandle>& ev) {
+            if (ev->GetTypeRewrite() == TEvNavigate::EventType) {
+                auto& resultSet = ev->Get<TEvNavigate>()->Request->ResultSet;
+                resultSet.at(1).TableId = resultSet.at(2).TableId;
+            }
+        });
+
+        check(TEvResponse::ProtoRecordType::SCHEME_ERROR, "Empty domain info", [](TAutoPtr<IEventHandle>& ev) {
+            if (ev->GetTypeRewrite() == TEvNavigate::EventType) {
+                ev->Get<TEvNavigate>()->Request->ResultSet.at(0).DomainInfo.Drop();
+            }
+        });
+
+        check(TEvResponse::ProtoRecordType::SCHEME_ERROR, "Failed locality check", [](TAutoPtr<IEventHandle>& ev) {
+            if (ev->GetTypeRewrite() == TEvNavigate::EventType) {
+                ev->Get<TEvNavigate>()->Request->ResultSet.at(0).DomainInfo = new NSchemeCache::TDomainInfo(TPathId(), TPathId());
+            }
+        });
+
+        /// resolve keys
+
+        check(TEvResponse::ProtoRecordType::SCHEME_ERROR, "Empty result", [](TAutoPtr<IEventHandle>& ev) {
+            if (ev->GetTypeRewrite() == TEvResolve::EventType) {
+                ev->Get<TEvResolve>()->Request.Reset();
+            }
+        });
+
+        check(TEvResponse::ProtoRecordType::SCHEME_ERROR, "Entries count mismatch", [](TAutoPtr<IEventHandle>& ev) {
+            if (ev->GetTypeRewrite() == TEvResolve::EventType) {
+                ev->Get<TEvResolve>()->Request->ResultSet.clear();
+            }
+        });
+
+        check(TEvResponse::ProtoRecordType::SCHEME_ERROR, "Failed to resolve table", [](TAutoPtr<IEventHandle>& ev) {
+            if (ev->GetTypeRewrite() == TEvResolve::EventType) {
+                ev->Get<TEvResolve>()->Request->ResultSet.at(0).Status = TResolve::EStatus::Unknown;
+            }
+        });
+
+        check(TEvResponse::ProtoRecordType::SCHEME_ERROR, "Empty partitions list", [](TAutoPtr<IEventHandle>& ev) {
+            if (ev->GetTypeRewrite() == TEvResolve::EventType) {
+                ev->Get<TEvResolve>()->Request->ResultSet.at(0).KeyDescription->Partitions.clear();
+            }
+        });
+
+        /// process request
+
+        using TRequestMaker = std::function<IEventBase*(void)>;
+        auto badRequest = [&](TEvResponse::ProtoRecordType::EStatus status, const TString& error, TRequestMaker maker) {
             const auto eraser = runtime.Register(NDataShard::CreateDistributedEraser(sender, tableId, indexes));
- 
-            runtime.Send(new IEventHandle(eraser, sender, maker()), 0, true); 
-            auto ev = runtime.GrabEdgeEventRethrow<TEvResponse>(sender); 
-            UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), status); 
-            UNIT_ASSERT_STRING_CONTAINS(ev->Get()->Record.GetErrorDescription(), error); 
- 
-            runtime.Send(new IEventHandle(eraser, sender, new TEvents::TEvPoisonPill())); 
-        }; 
- 
-        badRequest(TEvResponse::ProtoRecordType::BAD_REQUEST, "Unknown condition", []() -> IEventBase* { 
-            return new TEvRequest(); 
-        }); 
- 
-        badRequest(TEvResponse::ProtoRecordType::BAD_REQUEST, "Cannot parse key", []() -> IEventBase* { 
-            auto request = MakeHolder<TEvRequest>(); 
-            request->Record.MutableExpiration(); 
-            request->Record.AddKeyColumns("trash"); 
-            return request.Release(); 
-        }); 
- 
-        badRequest(TEvResponse::ProtoRecordType::BAD_REQUEST, "Key column is absent", []() -> IEventBase* { 
-            auto request = MakeHolder<TEvRequest>(); 
-            request->Record.MutableExpiration(); 
-            for (const auto& key : SerializeKeys({1, 2})) { 
-                request->Record.AddKeyColumns(key); 
-            } 
-            return request.Release(); 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(ConditionalEraseRowsShouldFailOnSplit) { 
-        using TEvResponse = TEvDataShard::TEvConditionalEraseRowsResponse; 
- 
-        TPortManager pm; 
-        TServerSettings serverSettings(pm.GetPort(2134)); 
-        serverSettings 
-            .SetDomainName("Root") 
+
+            runtime.Send(new IEventHandle(eraser, sender, maker()), 0, true);
+            auto ev = runtime.GrabEdgeEventRethrow<TEvResponse>(sender);
+            UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), status);
+            UNIT_ASSERT_STRING_CONTAINS(ev->Get()->Record.GetErrorDescription(), error);
+
+            runtime.Send(new IEventHandle(eraser, sender, new TEvents::TEvPoisonPill()));
+        };
+
+        badRequest(TEvResponse::ProtoRecordType::BAD_REQUEST, "Unknown condition", []() -> IEventBase* {
+            return new TEvRequest();
+        });
+
+        badRequest(TEvResponse::ProtoRecordType::BAD_REQUEST, "Cannot parse key", []() -> IEventBase* {
+            auto request = MakeHolder<TEvRequest>();
+            request->Record.MutableExpiration();
+            request->Record.AddKeyColumns("trash");
+            return request.Release();
+        });
+
+        badRequest(TEvResponse::ProtoRecordType::BAD_REQUEST, "Key column is absent", []() -> IEventBase* {
+            auto request = MakeHolder<TEvRequest>();
+            request->Record.MutableExpiration();
+            for (const auto& key : SerializeKeys({1, 2})) {
+                request->Record.AddKeyColumns(key);
+            }
+            return request.Release();
+        });
+    }
+
+    Y_UNIT_TEST(ConditionalEraseRowsShouldFailOnSplit) {
+        using TEvResponse = TEvDataShard::TEvConditionalEraseRowsResponse;
+
+        TPortManager pm;
+        TServerSettings serverSettings(pm.GetPort(2134));
+        serverSettings
+            .SetDomainName("Root")
             .SetUseRealThreads(false);
- 
-        TServer::TPtr server = new TServer(serverSettings); 
-        auto& runtime = *server->GetRuntime(); 
-        const TActorId sender = runtime.AllocateEdgeActor(); 
- 
-        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG); 
-        InitRoot(server, sender); 
- 
-        CreateIndexedTable(server, sender, "/Root", "table-1"); 
-        ExecSQL(server, sender, R"( 
-            UPSERT INTO [/Root/table-1] (key, skey, tkey, value) VALUES 
-            (1, 10, 300, CAST("1970-01-01T00:00:00.000000Z" AS Timestamp)), 
-            (2, 20, 200, CAST("1990-03-01T00:00:00.000000Z" AS Timestamp)), 
-            (3, 30, 100, CAST("2020-04-15T00:00:00.000000Z" AS Timestamp)); 
-        )"); 
- 
-        auto tableId = ResolveTableId(server, sender, "/Root/table-1"); 
-        auto indexes = GetIndexes(server, sender, "/Root/table-1"); 
-        auto delayed = ConditionalEraseRowsDelayedResolve(server, sender, "/Root/table-1", 
-            tableId, 4, TInstant::Now().GetValue(), indexes); 
- 
-        SimulateSleep(server, TDuration::Seconds(1)); 
-        SetSplitMergePartCountLimit(&runtime, -1); 
-        auto tabletIds = GetTableShards(server, sender, "/Root/table-1"); 
-        UNIT_ASSERT_VALUES_EQUAL(tabletIds.size(), 1); 
-        const ui64 txId = AsyncSplitTable(server, sender, "Root/table-1", tabletIds[0], 2); 
-        WaitTxNotification(server, sender, txId); 
- 
-        for (auto& ev : delayed) { 
-            runtime.Send(ev.Release(), 0, true); 
-        } 
- 
-        auto ev = server->GetRuntime()->GrabEdgeEventRethrow<TEvResponse>(sender); 
-        UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), TEvResponse::ProtoRecordType::ABORTED); 
-    } 
- 
-    Y_UNIT_TEST(ConditionalEraseRowsShouldFailOnSchemeTx) { 
-        using TEvResponse = TEvDataShard::TEvConditionalEraseRowsResponse; 
- 
-        TPortManager pm; 
-        TServerSettings serverSettings(pm.GetPort(2134)); 
-        serverSettings 
-            .SetDomainName("Root") 
+
+        TServer::TPtr server = new TServer(serverSettings);
+        auto& runtime = *server->GetRuntime();
+        const TActorId sender = runtime.AllocateEdgeActor();
+
+        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG);
+        InitRoot(server, sender);
+
+        CreateIndexedTable(server, sender, "/Root", "table-1");
+        ExecSQL(server, sender, R"(
+            UPSERT INTO [/Root/table-1] (key, skey, tkey, value) VALUES
+            (1, 10, 300, CAST("1970-01-01T00:00:00.000000Z" AS Timestamp)),
+            (2, 20, 200, CAST("1990-03-01T00:00:00.000000Z" AS Timestamp)),
+            (3, 30, 100, CAST("2020-04-15T00:00:00.000000Z" AS Timestamp));
+        )");
+
+        auto tableId = ResolveTableId(server, sender, "/Root/table-1");
+        auto indexes = GetIndexes(server, sender, "/Root/table-1");
+        auto delayed = ConditionalEraseRowsDelayedResolve(server, sender, "/Root/table-1",
+            tableId, 4, TInstant::Now().GetValue(), indexes);
+
+        SimulateSleep(server, TDuration::Seconds(1));
+        SetSplitMergePartCountLimit(&runtime, -1);
+        auto tabletIds = GetTableShards(server, sender, "/Root/table-1");
+        UNIT_ASSERT_VALUES_EQUAL(tabletIds.size(), 1);
+        const ui64 txId = AsyncSplitTable(server, sender, "Root/table-1", tabletIds[0], 2);
+        WaitTxNotification(server, sender, txId);
+
+        for (auto& ev : delayed) {
+            runtime.Send(ev.Release(), 0, true);
+        }
+
+        auto ev = server->GetRuntime()->GrabEdgeEventRethrow<TEvResponse>(sender);
+        UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), TEvResponse::ProtoRecordType::ABORTED);
+    }
+
+    Y_UNIT_TEST(ConditionalEraseRowsShouldFailOnSchemeTx) {
+        using TEvResponse = TEvDataShard::TEvConditionalEraseRowsResponse;
+
+        TPortManager pm;
+        TServerSettings serverSettings(pm.GetPort(2134));
+        serverSettings
+            .SetDomainName("Root")
             .SetUseRealThreads(false);
- 
-        TServer::TPtr server = new TServer(serverSettings); 
-        auto& runtime = *server->GetRuntime(); 
-        const TActorId sender = runtime.AllocateEdgeActor(); 
- 
-        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG); 
-        InitRoot(server, sender); 
- 
-        CreateIndexedTable(server, sender, "/Root", "table-1"); 
-        ExecSQL(server, sender, R"( 
-            UPSERT INTO [/Root/table-1] (key, skey, tkey, value) VALUES 
-            (1, 10, 300, CAST("1970-01-01T00:00:00.000000Z" AS Timestamp)), 
-            (2, 20, 200, CAST("1990-03-01T00:00:00.000000Z" AS Timestamp)), 
-            (3, 30, 100, CAST("2020-04-15T00:00:00.000000Z" AS Timestamp)); 
-        )"); 
- 
-        auto tableId = ResolveTableId(server, sender, "/Root/table-1"); 
-        auto indexes = GetIndexes(server, sender, "/Root/table-1"); 
-        auto delayed = ConditionalEraseRowsDelayedResolve(server, sender, "/Root/table-1", 
-            tableId, 4, TInstant::Now().GetValue(), indexes); 
- 
-        const ui64 txId = AsyncAlterAddExtraColumn(server, "/Root", "table-1"); 
-        WaitTxNotification(server, sender, txId); 
- 
-        for (auto& ev : delayed) { 
-            runtime.Send(ev.Release(), 0, true); 
-        } 
- 
-        auto ev = server->GetRuntime()->GrabEdgeEventRethrow<TEvResponse>(sender); 
-        UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), TEvResponse::ProtoRecordType::ERASE_ERROR); 
-    } 
- 
-    Y_UNIT_TEST(ConditionalEraseRowsShouldFailOnDeadShard) { 
-        using TEvResponse = TEvDataShard::TEvConditionalEraseRowsResponse; 
- 
-        TPortManager pm; 
-        TServerSettings serverSettings(pm.GetPort(2134)); 
-        serverSettings 
-            .SetDomainName("Root") 
+
+        TServer::TPtr server = new TServer(serverSettings);
+        auto& runtime = *server->GetRuntime();
+        const TActorId sender = runtime.AllocateEdgeActor();
+
+        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG);
+        InitRoot(server, sender);
+
+        CreateIndexedTable(server, sender, "/Root", "table-1");
+        ExecSQL(server, sender, R"(
+            UPSERT INTO [/Root/table-1] (key, skey, tkey, value) VALUES
+            (1, 10, 300, CAST("1970-01-01T00:00:00.000000Z" AS Timestamp)),
+            (2, 20, 200, CAST("1990-03-01T00:00:00.000000Z" AS Timestamp)),
+            (3, 30, 100, CAST("2020-04-15T00:00:00.000000Z" AS Timestamp));
+        )");
+
+        auto tableId = ResolveTableId(server, sender, "/Root/table-1");
+        auto indexes = GetIndexes(server, sender, "/Root/table-1");
+        auto delayed = ConditionalEraseRowsDelayedResolve(server, sender, "/Root/table-1",
+            tableId, 4, TInstant::Now().GetValue(), indexes);
+
+        const ui64 txId = AsyncAlterAddExtraColumn(server, "/Root", "table-1");
+        WaitTxNotification(server, sender, txId);
+
+        for (auto& ev : delayed) {
+            runtime.Send(ev.Release(), 0, true);
+        }
+
+        auto ev = server->GetRuntime()->GrabEdgeEventRethrow<TEvResponse>(sender);
+        UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), TEvResponse::ProtoRecordType::ERASE_ERROR);
+    }
+
+    Y_UNIT_TEST(ConditionalEraseRowsShouldFailOnDeadShard) {
+        using TEvResponse = TEvDataShard::TEvConditionalEraseRowsResponse;
+
+        TPortManager pm;
+        TServerSettings serverSettings(pm.GetPort(2134));
+        serverSettings
+            .SetDomainName("Root")
             .SetUseRealThreads(false);
- 
-        TServer::TPtr server = new TServer(serverSettings); 
-        auto& runtime = *server->GetRuntime(); 
-        const TActorId sender = runtime.AllocateEdgeActor(); 
- 
-        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG); 
-        InitRoot(server, sender); 
- 
-        CreateIndexedTable(server, sender, "/Root", "table-1"); 
-        ExecSQL(server, sender, R"( 
-            UPSERT INTO [/Root/table-1] (key, skey, tkey, value) VALUES 
-            (1, 10, 300, CAST("1970-01-01T00:00:00.000000Z" AS Timestamp)), 
-            (2, 20, 200, CAST("1990-03-01T00:00:00.000000Z" AS Timestamp)), 
-            (3, 30, 100, CAST("2020-04-15T00:00:00.000000Z" AS Timestamp)); 
-        )"); 
- 
-        auto tableId = ResolveTableId(server, sender, "/Root/table-1"); 
-        auto indexes = GetIndexes(server, sender, "/Root/table-1"); 
-        auto delayed = ConditionalEraseRowsDelayedPlan(server, sender, "/Root/table-1", 
-            tableId, 4, TInstant::Now().GetValue(), indexes); 
- 
-        auto tabletIds = GetTableShards(server, sender, "/Root/table-1/by_skey/indexImplTable"); 
-        UNIT_ASSERT_VALUES_EQUAL(tabletIds.size(), 1); 
+
+        TServer::TPtr server = new TServer(serverSettings);
+        auto& runtime = *server->GetRuntime();
+        const TActorId sender = runtime.AllocateEdgeActor();
+
+        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG);
+        InitRoot(server, sender);
+
+        CreateIndexedTable(server, sender, "/Root", "table-1");
+        ExecSQL(server, sender, R"(
+            UPSERT INTO [/Root/table-1] (key, skey, tkey, value) VALUES
+            (1, 10, 300, CAST("1970-01-01T00:00:00.000000Z" AS Timestamp)),
+            (2, 20, 200, CAST("1990-03-01T00:00:00.000000Z" AS Timestamp)),
+            (3, 30, 100, CAST("2020-04-15T00:00:00.000000Z" AS Timestamp));
+        )");
+
+        auto tableId = ResolveTableId(server, sender, "/Root/table-1");
+        auto indexes = GetIndexes(server, sender, "/Root/table-1");
+        auto delayed = ConditionalEraseRowsDelayedPlan(server, sender, "/Root/table-1",
+            tableId, 4, TInstant::Now().GetValue(), indexes);
+
+        auto tabletIds = GetTableShards(server, sender, "/Root/table-1/by_skey/indexImplTable");
+        UNIT_ASSERT_VALUES_EQUAL(tabletIds.size(), 1);
         RebootTablet(runtime, tabletIds[0], sender);
- 
-        for (auto& ev : delayed) { 
-            runtime.Send(ev.Release(), 0, true); 
-        } 
- 
-        auto ev = server->GetRuntime()->GrabEdgeEventRethrow<TEvResponse>(sender); 
-        UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), TEvResponse::ProtoRecordType::ERASE_ERROR); 
-    } 
- 
-    Y_UNIT_TEST(DistributedEraseTxShouldFailOnVariousErrors) { 
-        TPortManager pm; 
-        TServerSettings serverSettings(pm.GetPort(2134)); 
-        serverSettings 
-            .SetDomainName("Root") 
+
+        for (auto& ev : delayed) {
+            runtime.Send(ev.Release(), 0, true);
+        }
+
+        auto ev = server->GetRuntime()->GrabEdgeEventRethrow<TEvResponse>(sender);
+        UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), TEvResponse::ProtoRecordType::ERASE_ERROR);
+    }
+
+    Y_UNIT_TEST(DistributedEraseTxShouldFailOnVariousErrors) {
+        TPortManager pm;
+        TServerSettings serverSettings(pm.GetPort(2134));
+        serverSettings
+            .SetDomainName("Root")
             .SetUseRealThreads(false);
- 
-        TServer::TPtr server = new TServer(serverSettings); 
-        auto& runtime = *server->GetRuntime(); 
-        const TActorId sender = runtime.AllocateEdgeActor(); 
- 
-        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG); 
-        InitRoot(server, sender); 
- 
-        CreateIndexedTable(server, sender, "/Root", "table-1"); 
-        auto tableId = ResolveTableId(server, sender, "/Root/table-1"); 
- 
-        ui64 txId = 100; 
-        TProto::TDistributedEraseTx tx; 
- 
-        *tx.MutableEraseRowsRequest() = MakeEraseRowsRequest(TTableId(), {1}, SerializeKeys({1, 2})); 
-        DistributedEraseTx(server, sender, "/Root/table-1", txId++, tx, 
-            TProto::TEvProposeTxResult::BAD_REQUEST, "Unknown table id"); 
- 
-        *tx.MutableEraseRowsRequest() = MakeEraseRowsRequest(TTableId(tableId.PathId, 100), {1}, SerializeKeys({1, 2})); 
-        DistributedEraseTx(server, sender, "/Root/table-1", txId++, tx, 
-            TProto::TEvProposeTxResult::BAD_REQUEST, "Schema version mismatch"); 
- 
-        *tx.MutableEraseRowsRequest() = MakeEraseRowsRequest(tableId, {0, 1}, SerializeKeys({1, 2})); 
-        DistributedEraseTx(server, sender, "/Root/table-1", txId++, tx, 
-            TProto::TEvProposeTxResult::BAD_REQUEST, "Key column count mismatch"); 
- 
-        *tx.MutableEraseRowsRequest() = MakeEraseRowsRequest(tableId, {0}, SerializeKeys({1, 2})); 
-        DistributedEraseTx(server, sender, "/Root/table-1", txId++, tx, 
-            TProto::TEvProposeTxResult::BAD_REQUEST, "Key column schema mismatch"); 
- 
-        *tx.MutableEraseRowsRequest() = MakeEraseRowsRequest(tableId, {1}, {"trash"}); 
-        DistributedEraseTx(server, sender, "/Root/table-1", txId++, tx, 
-            TProto::TEvProposeTxResult::BAD_REQUEST, "Cannot parse key"); 
- 
-        *tx.MutableEraseRowsRequest() = MakeEraseRowsRequest(tableId, {1}, SerializeKeys({1, 2}, &KeyCellsRepeater)); 
-        DistributedEraseTx(server, sender, "/Root/table-1", txId++, tx, 
-            TProto::TEvProposeTxResult::BAD_REQUEST, "Cell count doesn't match row scheme"); 
- 
-        *tx.MutableEraseRowsRequest() = MakeEraseRowsRequest(tableId, {1}, SerializeKeys({1, 2})); 
-        // underlying request is valid now 
- 
-        tx.MutableDependents()->Add(); 
-        auto& dependency = *tx.MutableDependencies()->Add(); 
-        DistributedEraseTx(server, sender, "/Root/table-1", txId++, tx, 
-            TProto::TEvProposeTxResult::BAD_REQUEST, "can only have dependents or dependencies"); 
- 
-        tx.MutableDependents()->Clear(); 
+
+        TServer::TPtr server = new TServer(serverSettings);
+        auto& runtime = *server->GetRuntime();
+        const TActorId sender = runtime.AllocateEdgeActor();
+
+        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG);
+        InitRoot(server, sender);
+
+        CreateIndexedTable(server, sender, "/Root", "table-1");
+        auto tableId = ResolveTableId(server, sender, "/Root/table-1");
+
+        ui64 txId = 100;
+        TProto::TDistributedEraseTx tx;
+
+        *tx.MutableEraseRowsRequest() = MakeEraseRowsRequest(TTableId(), {1}, SerializeKeys({1, 2}));
+        DistributedEraseTx(server, sender, "/Root/table-1", txId++, tx,
+            TProto::TEvProposeTxResult::BAD_REQUEST, "Unknown table id");
+
+        *tx.MutableEraseRowsRequest() = MakeEraseRowsRequest(TTableId(tableId.PathId, 100), {1}, SerializeKeys({1, 2}));
+        DistributedEraseTx(server, sender, "/Root/table-1", txId++, tx,
+            TProto::TEvProposeTxResult::BAD_REQUEST, "Schema version mismatch");
+
+        *tx.MutableEraseRowsRequest() = MakeEraseRowsRequest(tableId, {0, 1}, SerializeKeys({1, 2}));
+        DistributedEraseTx(server, sender, "/Root/table-1", txId++, tx,
+            TProto::TEvProposeTxResult::BAD_REQUEST, "Key column count mismatch");
+
+        *tx.MutableEraseRowsRequest() = MakeEraseRowsRequest(tableId, {0}, SerializeKeys({1, 2}));
+        DistributedEraseTx(server, sender, "/Root/table-1", txId++, tx,
+            TProto::TEvProposeTxResult::BAD_REQUEST, "Key column schema mismatch");
+
+        *tx.MutableEraseRowsRequest() = MakeEraseRowsRequest(tableId, {1}, {"trash"});
+        DistributedEraseTx(server, sender, "/Root/table-1", txId++, tx,
+            TProto::TEvProposeTxResult::BAD_REQUEST, "Cannot parse key");
+
+        *tx.MutableEraseRowsRequest() = MakeEraseRowsRequest(tableId, {1}, SerializeKeys({1, 2}, &KeyCellsRepeater));
+        DistributedEraseTx(server, sender, "/Root/table-1", txId++, tx,
+            TProto::TEvProposeTxResult::BAD_REQUEST, "Cell count doesn't match row scheme");
+
+        *tx.MutableEraseRowsRequest() = MakeEraseRowsRequest(tableId, {1}, SerializeKeys({1, 2}));
+        // underlying request is valid now
+
+        tx.MutableDependents()->Add();
+        auto& dependency = *tx.MutableDependencies()->Add();
+        DistributedEraseTx(server, sender, "/Root/table-1", txId++, tx,
+            TProto::TEvProposeTxResult::BAD_REQUEST, "can only have dependents or dependencies");
+
+        tx.MutableDependents()->Clear();
         dependency.SetPresentRows(NDataShard::SerializeBitMap(TDynBitMap().Push(1)));
-        DistributedEraseTx(server, sender, "/Root/table-1", txId++, tx, 
-            TProto::TEvProposeTxResult::BAD_REQUEST, "Present rows count mismatch"); 
-    } 
- 
-    Y_UNIT_TEST(ConditionalEraseRowsCheckLimits) { 
-        using TEvResponse = TEvDataShard::TEvConditionalEraseRowsResponse; 
- 
-        TPortManager pm; 
-        TServerSettings serverSettings(pm.GetPort(2134)); 
-        serverSettings 
-            .SetDomainName("Root") 
+        DistributedEraseTx(server, sender, "/Root/table-1", txId++, tx,
+            TProto::TEvProposeTxResult::BAD_REQUEST, "Present rows count mismatch");
+    }
+
+    Y_UNIT_TEST(ConditionalEraseRowsCheckLimits) {
+        using TEvResponse = TEvDataShard::TEvConditionalEraseRowsResponse;
+
+        TPortManager pm;
+        TServerSettings serverSettings(pm.GetPort(2134));
+        serverSettings
+            .SetDomainName("Root")
             .SetUseRealThreads(false);
- 
-        TServer::TPtr server = new TServer(serverSettings); 
-        auto& runtime = *server->GetRuntime(); 
-        const TActorId sender = runtime.AllocateEdgeActor(); 
- 
-        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG); 
-        InitRoot(server, sender); 
- 
-        auto check = [&](const char* table, const TProto::TLimits& limits, ui32 expectedRuns) { 
-            CreateIndexedTable(server, sender, "/Root", table); 
-            ExecSQL(server, sender, Sprintf(R"( 
-                UPSERT INTO [/Root/%s] (key, skey, tkey, value) VALUES 
-                (1, 10, 300, CAST("1970-01-01T00:00:00.000000Z" AS Timestamp)), 
-                (2, 20, 200, CAST("1990-03-01T00:00:00.000000Z" AS Timestamp)), 
-                (3, 30, 100, CAST("2020-04-15T00:00:00.000000Z" AS Timestamp)); 
-            )", table)); 
- 
-            auto tableId = ResolveTableId(server, sender, Sprintf("/Root/%s", table)); 
-            auto indexes = GetIndexes(server, sender, Sprintf("/Root/%s", table)); 
-            ConditionalEraseRows(server, sender, Sprintf("/Root/%s", table), tableId, 4, TInstant::Now().GetValue(), TUnit::AUTO, indexes, limits); 
- 
-            ui32 runs = 0; 
-            TEvResponse::ProtoRecordType::EStatus status; 
- 
-            do { 
-                auto ev = server->GetRuntime()->GrabEdgeEventRethrow<TEvResponse>(sender); 
-                ++runs; 
-                status = ev->Get()->Record.GetStatus(); 
-            } while (status != TEvResponse::ProtoRecordType::OK); 
- 
-            UNIT_ASSERT_VALUES_EQUAL(runs, expectedRuns); 
-        }; 
- 
-        auto makeLimits = [](ui32 maxBytes, ui32 minKeys, ui32 maxKeys) -> TProto::TLimits { 
-            TProto::TLimits result; 
- 
-            result.SetBatchMaxBytes(maxBytes); 
-            result.SetBatchMinKeys(minKeys); 
-            result.SetBatchMaxKeys(maxKeys); 
- 
-            return result; 
-        }; 
- 
-        check("table-1", makeLimits(100, 1, 1), 4); // 3 PARTIAL (1 per key) + 1 final OK when exhausted 
-        check("table-2", makeLimits(1, 2, 3), 2); // 1 PARTIAL (first 2 keys) + 1 final OK (last key + exhausted) 
-        check("table-3", makeLimits(100, 1, 3), 2); // 1 PARTIAL (for 3 keys) + 1 final OK when exhausted 
-        check("table-4", makeLimits(100, 1, 4), 1); // just final OK when exhausted 
-    } 
- 
-    Y_UNIT_TEST(ConditionalEraseRowsAsyncIndex) { 
-        using TEvResponse = TEvDataShard::TEvConditionalEraseRowsResponse; 
- 
-        TPortManager pm; 
-        TServerSettings serverSettings(pm.GetPort(2134)); 
-        serverSettings 
-            .SetDomainName("Root") 
-            .SetUseRealThreads(false) 
-            .SetEnableAsyncIndexes(true); 
- 
-        TServer::TPtr server = new TServer(serverSettings); 
-        auto& runtime = *server->GetRuntime(); 
-        const TActorId sender = runtime.AllocateEdgeActor(); 
- 
-        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG); 
-        InitRoot(server, sender); 
- 
-        auto check = [&](const char* table, const TShardedTableOptions& opts) { 
-            CreateShardedTable(server, sender, "/Root", table, opts); 
-            ExecSQL(server, sender, Sprintf(R"( 
-                UPSERT INTO [/Root/%s] (key, skey, tkey, value) VALUES 
-                (1, 10, 300, CAST("1970-01-01T00:00:00.000000Z" AS Timestamp)), 
-                (2, 20, 200, CAST("1990-03-01T00:00:00.000000Z" AS Timestamp)), 
-                (3, 30, 100, CAST("2020-04-15T00:00:00.000000Z" AS Timestamp)); 
-            )", table)); 
- 
-            auto tableId = ResolveTableId(server, sender, Sprintf("/Root/%s", table)); 
-            auto indexes = GetIndexes(server, sender, Sprintf("/Root/%s", table)); 
-            ConditionalEraseRows(server, sender, Sprintf("/Root/%s", table), tableId, 4, TInstant::Now().GetValue(), TUnit::AUTO, indexes); 
- 
-            auto ev = server->GetRuntime()->GrabEdgeEventRethrow<TEvResponse>(sender); 
-            UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), TEvResponse::ProtoRecordType::OK); 
- 
-            for (const auto index : opts.Indexes_) { 
-                do { 
-                    auto content = ReadShardedTable(server, Sprintf("/Root/%s/%s/indexImplTable", table, index.Name.c_str())); 
- 
-                    if (index.Type == NKikimrSchemeOp::EIndexTypeGlobal) { 
-                        UNIT_ASSERT_STRINGS_EQUAL(StripInPlace(content), ""); 
-                        break; 
-                    } else if (index.Type == NKikimrSchemeOp::EIndexTypeGlobalAsync) { 
-                        if (StripInPlace(content) == "") { 
-                            break; 
-                        } 
-                    } else { 
-                        UNIT_ASSERT_C(false, "Unknown index type: " << static_cast<ui32>(index.Type)); 
-                    } 
- 
-                    SimulateSleep(server, TDuration::Seconds(1)); 
-                } while (true); 
-            } 
-        }; 
- 
-        check("table-1", TShardedTableOptions() 
-            .EnableOutOfOrder(false) 
-            .Columns({ 
-                {"key", "Uint32", true, false}, 
-                {"skey", "Uint32", false, false}, 
-                {"tkey", "Uint32", false, false}, 
-                {"value", "Timestamp", false, false} 
-            }) 
-            .Indexes({ 
-                {"by_skey", {"skey"}, {}, NKikimrSchemeOp::EIndexTypeGlobalAsync}, 
-                {"by_tkey", {"tkey"}, {}, NKikimrSchemeOp::EIndexTypeGlobalAsync} 
-            }) 
-        ); 
- 
-        check("table-2", TShardedTableOptions() 
-            .EnableOutOfOrder(false) 
-            .Columns({ 
-                {"key", "Uint32", true, false}, 
-                {"skey", "Uint32", false, false}, 
-                {"tkey", "Uint32", false, false}, 
-                {"value", "Timestamp", false, false} 
-            }) 
-            .Indexes({ 
-                {"by_skey", {"skey"}, {}, NKikimrSchemeOp::EIndexTypeGlobal}, 
-                {"by_tkey", {"tkey"}, {}, NKikimrSchemeOp::EIndexTypeGlobalAsync} 
-            }) 
-        ); 
-    } 
-} 
- 
-} // namespace NKikimr 
+
+        TServer::TPtr server = new TServer(serverSettings);
+        auto& runtime = *server->GetRuntime();
+        const TActorId sender = runtime.AllocateEdgeActor();
+
+        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG);
+        InitRoot(server, sender);
+
+        auto check = [&](const char* table, const TProto::TLimits& limits, ui32 expectedRuns) {
+            CreateIndexedTable(server, sender, "/Root", table);
+            ExecSQL(server, sender, Sprintf(R"(
+                UPSERT INTO [/Root/%s] (key, skey, tkey, value) VALUES
+                (1, 10, 300, CAST("1970-01-01T00:00:00.000000Z" AS Timestamp)),
+                (2, 20, 200, CAST("1990-03-01T00:00:00.000000Z" AS Timestamp)),
+                (3, 30, 100, CAST("2020-04-15T00:00:00.000000Z" AS Timestamp));
+            )", table));
+
+            auto tableId = ResolveTableId(server, sender, Sprintf("/Root/%s", table));
+            auto indexes = GetIndexes(server, sender, Sprintf("/Root/%s", table));
+            ConditionalEraseRows(server, sender, Sprintf("/Root/%s", table), tableId, 4, TInstant::Now().GetValue(), TUnit::AUTO, indexes, limits);
+
+            ui32 runs = 0;
+            TEvResponse::ProtoRecordType::EStatus status;
+
+            do {
+                auto ev = server->GetRuntime()->GrabEdgeEventRethrow<TEvResponse>(sender);
+                ++runs;
+                status = ev->Get()->Record.GetStatus();
+            } while (status != TEvResponse::ProtoRecordType::OK);
+
+            UNIT_ASSERT_VALUES_EQUAL(runs, expectedRuns);
+        };
+
+        auto makeLimits = [](ui32 maxBytes, ui32 minKeys, ui32 maxKeys) -> TProto::TLimits {
+            TProto::TLimits result;
+
+            result.SetBatchMaxBytes(maxBytes);
+            result.SetBatchMinKeys(minKeys);
+            result.SetBatchMaxKeys(maxKeys);
+
+            return result;
+        };
+
+        check("table-1", makeLimits(100, 1, 1), 4); // 3 PARTIAL (1 per key) + 1 final OK when exhausted
+        check("table-2", makeLimits(1, 2, 3), 2); // 1 PARTIAL (first 2 keys) + 1 final OK (last key + exhausted)
+        check("table-3", makeLimits(100, 1, 3), 2); // 1 PARTIAL (for 3 keys) + 1 final OK when exhausted
+        check("table-4", makeLimits(100, 1, 4), 1); // just final OK when exhausted
+    }
+
+    Y_UNIT_TEST(ConditionalEraseRowsAsyncIndex) {
+        using TEvResponse = TEvDataShard::TEvConditionalEraseRowsResponse;
+
+        TPortManager pm;
+        TServerSettings serverSettings(pm.GetPort(2134));
+        serverSettings
+            .SetDomainName("Root")
+            .SetUseRealThreads(false)
+            .SetEnableAsyncIndexes(true);
+
+        TServer::TPtr server = new TServer(serverSettings);
+        auto& runtime = *server->GetRuntime();
+        const TActorId sender = runtime.AllocateEdgeActor();
+
+        runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_DEBUG);
+        InitRoot(server, sender);
+
+        auto check = [&](const char* table, const TShardedTableOptions& opts) {
+            CreateShardedTable(server, sender, "/Root", table, opts);
+            ExecSQL(server, sender, Sprintf(R"(
+                UPSERT INTO [/Root/%s] (key, skey, tkey, value) VALUES
+                (1, 10, 300, CAST("1970-01-01T00:00:00.000000Z" AS Timestamp)),
+                (2, 20, 200, CAST("1990-03-01T00:00:00.000000Z" AS Timestamp)),
+                (3, 30, 100, CAST("2020-04-15T00:00:00.000000Z" AS Timestamp));
+            )", table));
+
+            auto tableId = ResolveTableId(server, sender, Sprintf("/Root/%s", table));
+            auto indexes = GetIndexes(server, sender, Sprintf("/Root/%s", table));
+            ConditionalEraseRows(server, sender, Sprintf("/Root/%s", table), tableId, 4, TInstant::Now().GetValue(), TUnit::AUTO, indexes);
+
+            auto ev = server->GetRuntime()->GrabEdgeEventRethrow<TEvResponse>(sender);
+            UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), TEvResponse::ProtoRecordType::OK);
+
+            for (const auto index : opts.Indexes_) {
+                do {
+                    auto content = ReadShardedTable(server, Sprintf("/Root/%s/%s/indexImplTable", table, index.Name.c_str()));
+
+                    if (index.Type == NKikimrSchemeOp::EIndexTypeGlobal) {
+                        UNIT_ASSERT_STRINGS_EQUAL(StripInPlace(content), "");
+                        break;
+                    } else if (index.Type == NKikimrSchemeOp::EIndexTypeGlobalAsync) {
+                        if (StripInPlace(content) == "") {
+                            break;
+                        }
+                    } else {
+                        UNIT_ASSERT_C(false, "Unknown index type: " << static_cast<ui32>(index.Type));
+                    }
+
+                    SimulateSleep(server, TDuration::Seconds(1));
+                } while (true);
+            }
+        };
+
+        check("table-1", TShardedTableOptions()
+            .EnableOutOfOrder(false)
+            .Columns({
+                {"key", "Uint32", true, false},
+                {"skey", "Uint32", false, false},
+                {"tkey", "Uint32", false, false},
+                {"value", "Timestamp", false, false}
+            })
+            .Indexes({
+                {"by_skey", {"skey"}, {}, NKikimrSchemeOp::EIndexTypeGlobalAsync},
+                {"by_tkey", {"tkey"}, {}, NKikimrSchemeOp::EIndexTypeGlobalAsync}
+            })
+        );
+
+        check("table-2", TShardedTableOptions()
+            .EnableOutOfOrder(false)
+            .Columns({
+                {"key", "Uint32", true, false},
+                {"skey", "Uint32", false, false},
+                {"tkey", "Uint32", false, false},
+                {"value", "Timestamp", false, false}
+            })
+            .Indexes({
+                {"by_skey", {"skey"}, {}, NKikimrSchemeOp::EIndexTypeGlobal},
+                {"by_tkey", {"tkey"}, {}, NKikimrSchemeOp::EIndexTypeGlobalAsync}
+            })
+        );
+    }
+}
+
+} // namespace NKikimr
diff --git a/ydb/core/tx/datashard/datashard_ut_init.cpp b/ydb/core/tx/datashard/datashard_ut_init.cpp
index 6c2ce8c270..818e30ab0c 100644
--- a/ydb/core/tx/datashard/datashard_ut_init.cpp
+++ b/ydb/core/tx/datashard/datashard_ut_init.cpp
@@ -72,7 +72,7 @@ Y_UNIT_TEST_SUITE(TTxDataShardTestInit) {
 
         UNIT_ASSERT_EQUAL(datashard->GetSnapshotManager().GetMvccState(), NDataShard::EMvccState::MvccEnabled);
 
-        runtime.GetAppData().FeatureFlags.SetEnableMvccForTest(false); 
+        runtime.GetAppData().FeatureFlags.SetEnableMvccForTest(false);
 
         GracefulRestartTablet(runtime, tabletId, sender);
 
@@ -157,9 +157,9 @@ Y_UNIT_TEST_SUITE(TTxDataShardTestInit) {
                 }
             } else if (event->GetTypeRewrite() == TEvSchemeShard::EvDescribeSchemeResult) {
                 auto &rec = event->Get<TEvSchemeShard::TEvDescribeSchemeResult>()->GetRecord();
-                const bool hasPartitioning = rec.GetPathDescription().TablePartitionsSize(); 
-                // there are few in-flight TEvDescribeSchemeResult msgs, we need one with no partitioning 
-                if (!hasPartitioning && rec.GetPathDescription().GetSelf().GetPathId() == tableId) { 
+                const bool hasPartitioning = rec.GetPathDescription().TablePartitionsSize();
+                // there are few in-flight TEvDescribeSchemeResult msgs, we need one with no partitioning
+                if (!hasPartitioning && rec.GetPathDescription().GetSelf().GetPathId() == tableId) {
                     sawResolve = true;
                     if (dropResolve)
                         return TTestActorRuntime::EEventAction::DROP;
diff --git a/ydb/core/tx/datashard/direct_tx_unit.cpp b/ydb/core/tx/datashard/direct_tx_unit.cpp
index e2a56547a4..1284b1f6ad 100644
--- a/ydb/core/tx/datashard/direct_tx_unit.cpp
+++ b/ydb/core/tx/datashard/direct_tx_unit.cpp
@@ -1,71 +1,71 @@
 #include "datashard_direct_transaction.h"
-#include "datashard_pipeline.h" 
-#include "execution_unit_ctors.h" 
+#include "datashard_pipeline.h"
+#include "execution_unit_ctors.h"
 #include "setup_sys_locks.h"
 
 namespace NKikimr {
 namespace NDataShard {
 
-class TDirectOpUnit : public TExecutionUnit { 
+class TDirectOpUnit : public TExecutionUnit {
 public:
-    TDirectOpUnit(TDataShard& self, TPipeline& pipeline) 
-        : TExecutionUnit(EExecutionUnitKind::DirectOp, true, self, pipeline) 
-    { 
-    } 
+    TDirectOpUnit(TDataShard& self, TPipeline& pipeline)
+        : TExecutionUnit(EExecutionUnitKind::DirectOp, true, self, pipeline)
+    {
+    }
 
-    ~TDirectOpUnit() 
-    { 
-    } 
+    ~TDirectOpUnit()
+    {
+    }
 
-    bool IsReadyToExecute(TOperation::TPtr op) const override { 
+    bool IsReadyToExecute(TOperation::TPtr op) const override {
         return !op->HasRuntimeConflicts();
     }
 
-    EExecutionStatus Execute(TOperation::TPtr op, TTransactionContext& txc, const TActorContext& ctx) override { 
+    EExecutionStatus Execute(TOperation::TPtr op, TTransactionContext& txc, const TActorContext& ctx) override {
         Y_UNUSED(ctx);
 
-        if (op->IsImmediate()) { 
+        if (op->IsImmediate()) {
             // Every time we execute immediate transaction we may choose a new mvcc version
-            op->MvccReadWriteVersion.reset(); 
+            op->MvccReadWriteVersion.reset();
         }
 
-        TSetupSysLocks guardLocks(op, DataShard); 
+        TSetupSysLocks guardLocks(op, DataShard);
 
-        TDirectTransaction* tx = dynamic_cast<TDirectTransaction*>(op.Get()); 
-        Y_VERIFY(tx != nullptr); 
+        TDirectTransaction* tx = dynamic_cast<TDirectTransaction*>(op.Get());
+        Y_VERIFY(tx != nullptr);
 
-        if (!tx->Execute(&DataShard, txc)) { 
+        if (!tx->Execute(&DataShard, txc)) {
             return EExecutionStatus::Restart;
         }
 
-        if (auto changes = tx->GetCollectedChanges()) { 
-            op->ChangeRecords().reserve(changes.size()); 
-            for (const auto& change : changes) { 
-                op->ChangeRecords().emplace_back(change.Order(), change.PathId(), change.BodySize()); 
-            } 
-        } 
- 
+        if (auto changes = tx->GetCollectedChanges()) {
+            op->ChangeRecords().reserve(changes.size());
+            for (const auto& change : changes) {
+                op->ChangeRecords().emplace_back(change.Order(), change.PathId(), change.BodySize());
+            }
+        }
+
         DataShard.SysLocksTable().ApplyLocks();
-        Pipeline.AddCommittingOp(op); 
+        Pipeline.AddCommittingOp(op);
 
         return EExecutionStatus::DelayCompleteNoMoreRestarts;
     }
 
-    void Complete(TOperation::TPtr op, const TActorContext& ctx) override { 
-        Pipeline.RemoveCommittingOp(op); 
-        DataShard.EnqueueChangeRecords(std::move(op->ChangeRecords())); 
+    void Complete(TOperation::TPtr op, const TActorContext& ctx) override {
+        Pipeline.RemoveCommittingOp(op);
+        DataShard.EnqueueChangeRecords(std::move(op->ChangeRecords()));
+
+        TDirectTransaction* tx = dynamic_cast<TDirectTransaction*>(op.Get());
+        Y_VERIFY(tx != nullptr);
 
-        TDirectTransaction* tx = dynamic_cast<TDirectTransaction*>(op.Get()); 
-        Y_VERIFY(tx != nullptr); 
- 
-        tx->SendResult(&DataShard, ctx); 
+        tx->SendResult(&DataShard, ctx);
     }
 
-}; // TDirectOpUnit 
- 
-THolder<TExecutionUnit> CreateDirectOpUnit(TDataShard& self, TPipeline& pipeline) { 
+}; // TDirectOpUnit
+
+THolder<TExecutionUnit> CreateDirectOpUnit(TDataShard& self, TPipeline& pipeline) {
     return THolder(new TDirectOpUnit(self, pipeline));
 }
 
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/drop_cdc_stream_unit.cpp b/ydb/core/tx/datashard/drop_cdc_stream_unit.cpp
index 8d4f15e5b3..039a379a52 100644
--- a/ydb/core/tx/datashard/drop_cdc_stream_unit.cpp
+++ b/ydb/core/tx/datashard/drop_cdc_stream_unit.cpp
@@ -1,63 +1,63 @@
-#include "datashard_impl.h" 
-#include "datashard_pipeline.h" 
-#include "execution_unit_ctors.h" 
- 
-namespace NKikimr { 
+#include "datashard_impl.h"
+#include "datashard_pipeline.h"
+#include "execution_unit_ctors.h"
+
+namespace NKikimr {
 namespace NDataShard {
- 
-class TDropCdcStreamUnit : public TExecutionUnit { 
-    THolder<TEvChangeExchange::TEvRemoveSender> RemoveSender; 
- 
-public: 
+
+class TDropCdcStreamUnit : public TExecutionUnit {
+    THolder<TEvChangeExchange::TEvRemoveSender> RemoveSender;
+
+public:
     TDropCdcStreamUnit(TDataShard& self, TPipeline& pipeline)
-        : TExecutionUnit(EExecutionUnitKind::DropCdcStream, false, self, pipeline) 
-    { 
-    } 
- 
-    bool IsReadyToExecute(TOperation::TPtr) const override { 
-        return true; 
-    } 
- 
-    EExecutionStatus Execute(TOperation::TPtr op, TTransactionContext& txc, const TActorContext& ctx) override { 
-        Y_VERIFY(op->IsSchemeTx()); 
- 
-        TActiveTransaction* tx = dynamic_cast<TActiveTransaction*>(op.Get()); 
-        Y_VERIFY_S(tx, "cannot cast operation of kind " << op->GetKind()); 
- 
-        auto& schemeTx = tx->GetSchemeTx(); 
-        if (!schemeTx.HasDropCdcStreamNotice()) { 
-            return EExecutionStatus::Executed; 
-        } 
- 
-        const auto& params = schemeTx.GetDropCdcStreamNotice(); 
- 
-        const auto pathId = TPathId(params.GetPathId().GetOwnerId(), params.GetPathId().GetLocalId()); 
-        Y_VERIFY(pathId.OwnerId == DataShard.GetPathOwnerId()); 
- 
-        const auto streamPathId = TPathId(params.GetStreamPathId().GetOwnerId(), params.GetStreamPathId().GetLocalId()); 
-        Y_VERIFY(streamPathId.OwnerId == DataShard.GetPathOwnerId()); 
- 
-        auto tableInfo = DataShard.AlterTableDropCdcStream(ctx, txc, pathId, params.GetTableSchemaVersion(), streamPathId); 
-        DataShard.AddUserTable(pathId, tableInfo); 
- 
-        RemoveSender.Reset(new TEvChangeExchange::TEvRemoveSender(streamPathId)); 
- 
-        BuildResult(op, NKikimrTxDataShard::TEvProposeTransactionResult::COMPLETE); 
-        op->Result()->SetStepOrderId(op->GetStepOrder().ToPair()); 
- 
-        return EExecutionStatus::DelayCompleteNoMoreRestarts; 
-    } 
- 
-    void Complete(TOperation::TPtr, const TActorContext& ctx) override { 
-        if (RemoveSender) { 
-            ctx.Send(DataShard.GetChangeSender(), RemoveSender.Release()); 
-        } 
-    } 
-}; 
- 
+        : TExecutionUnit(EExecutionUnitKind::DropCdcStream, false, self, pipeline)
+    {
+    }
+
+    bool IsReadyToExecute(TOperation::TPtr) const override {
+        return true;
+    }
+
+    EExecutionStatus Execute(TOperation::TPtr op, TTransactionContext& txc, const TActorContext& ctx) override {
+        Y_VERIFY(op->IsSchemeTx());
+
+        TActiveTransaction* tx = dynamic_cast<TActiveTransaction*>(op.Get());
+        Y_VERIFY_S(tx, "cannot cast operation of kind " << op->GetKind());
+
+        auto& schemeTx = tx->GetSchemeTx();
+        if (!schemeTx.HasDropCdcStreamNotice()) {
+            return EExecutionStatus::Executed;
+        }
+
+        const auto& params = schemeTx.GetDropCdcStreamNotice();
+
+        const auto pathId = TPathId(params.GetPathId().GetOwnerId(), params.GetPathId().GetLocalId());
+        Y_VERIFY(pathId.OwnerId == DataShard.GetPathOwnerId());
+
+        const auto streamPathId = TPathId(params.GetStreamPathId().GetOwnerId(), params.GetStreamPathId().GetLocalId());
+        Y_VERIFY(streamPathId.OwnerId == DataShard.GetPathOwnerId());
+
+        auto tableInfo = DataShard.AlterTableDropCdcStream(ctx, txc, pathId, params.GetTableSchemaVersion(), streamPathId);
+        DataShard.AddUserTable(pathId, tableInfo);
+
+        RemoveSender.Reset(new TEvChangeExchange::TEvRemoveSender(streamPathId));
+
+        BuildResult(op, NKikimrTxDataShard::TEvProposeTransactionResult::COMPLETE);
+        op->Result()->SetStepOrderId(op->GetStepOrder().ToPair());
+
+        return EExecutionStatus::DelayCompleteNoMoreRestarts;
+    }
+
+    void Complete(TOperation::TPtr, const TActorContext& ctx) override {
+        if (RemoveSender) {
+            ctx.Send(DataShard.GetChangeSender(), RemoveSender.Release());
+        }
+    }
+};
+
 THolder<TExecutionUnit> CreateDropCdcStreamUnit(TDataShard& self, TPipeline& pipeline) {
-    return THolder(new TDropCdcStreamUnit(self, pipeline)); 
-} 
- 
+    return THolder(new TDropCdcStreamUnit(self, pipeline));
+}
+
 } // namespace NDataShard
-} // namespace NKikimr 
+} // namespace NKikimr
diff --git a/ydb/core/tx/datashard/drop_index_notice_unit.cpp b/ydb/core/tx/datashard/drop_index_notice_unit.cpp
index bd40c5f793..4311069958 100644
--- a/ydb/core/tx/datashard/drop_index_notice_unit.cpp
+++ b/ydb/core/tx/datashard/drop_index_notice_unit.cpp
@@ -6,11 +6,11 @@ namespace NKikimr {
 namespace NDataShard {
 
 class TDropIndexNoticeUnit : public TExecutionUnit {
-    THolder<TEvChangeExchange::TEvRemoveSender> RemoveSender; 
- 
+    THolder<TEvChangeExchange::TEvRemoveSender> RemoveSender;
+
 public:
     TDropIndexNoticeUnit(TDataShard& dataShard, TPipeline& pipeline)
-        : TExecutionUnit(EExecutionUnitKind::DropIndexNotice, false, dataShard, pipeline) 
+        : TExecutionUnit(EExecutionUnitKind::DropIndexNotice, false, dataShard, pipeline)
     { }
 
     bool IsReadyToExecute(TOperation::TPtr) const override {
@@ -33,37 +33,37 @@ public:
         auto pathId = TPathId(params.GetPathId().GetOwnerId(), params.GetPathId().GetLocalId());
         Y_VERIFY(pathId.OwnerId == DataShard.GetPathOwnerId());
 
-        TUserTable::TPtr tableInfo; 
-        if (params.HasIndexPathId()) { 
-            auto indexPathId = TPathId(params.GetIndexPathId().GetOwnerId(), params.GetIndexPathId().GetLocalId()); 
- 
-            const auto& userTables = DataShard.GetUserTables(); 
-            Y_VERIFY(userTables.contains(pathId.LocalPathId)); 
-            const auto& indexes = userTables.at(pathId.LocalPathId)->Indexes; 
- 
-            auto it = indexes.find(indexPathId); 
+        TUserTable::TPtr tableInfo;
+        if (params.HasIndexPathId()) {
+            auto indexPathId = TPathId(params.GetIndexPathId().GetOwnerId(), params.GetIndexPathId().GetLocalId());
+
+            const auto& userTables = DataShard.GetUserTables();
+            Y_VERIFY(userTables.contains(pathId.LocalPathId));
+            const auto& indexes = userTables.at(pathId.LocalPathId)->Indexes;
+
+            auto it = indexes.find(indexPathId);
             if (it != indexes.end() && it->second.Type == NKikimrSchemeOp::EIndexType::EIndexTypeGlobalAsync) {
-                RemoveSender.Reset(new TEvChangeExchange::TEvRemoveSender(indexPathId)); 
-            } 
- 
-            tableInfo = DataShard.AlterTableDropIndex(ctx, txc, pathId, params.GetTableSchemaVersion(), indexPathId); 
-        } else { 
-            tableInfo = DataShard.AlterTableSchemaVersion(ctx, txc, pathId, params.GetTableSchemaVersion()); 
-        } 
- 
-        Y_VERIFY(tableInfo); 
+                RemoveSender.Reset(new TEvChangeExchange::TEvRemoveSender(indexPathId));
+            }
+
+            tableInfo = DataShard.AlterTableDropIndex(ctx, txc, pathId, params.GetTableSchemaVersion(), indexPathId);
+        } else {
+            tableInfo = DataShard.AlterTableSchemaVersion(ctx, txc, pathId, params.GetTableSchemaVersion());
+        }
+
+        Y_VERIFY(tableInfo);
         DataShard.AddUserTable(pathId, tableInfo);
 
         BuildResult(op, NKikimrTxDataShard::TEvProposeTransactionResult::COMPLETE);
         op->Result()->SetStepOrderId(op->GetStepOrder().ToPair());
 
-        return EExecutionStatus::DelayCompleteNoMoreRestarts; 
+        return EExecutionStatus::DelayCompleteNoMoreRestarts;
     }
 
-    void Complete(TOperation::TPtr, const TActorContext& ctx) override { 
-        if (RemoveSender) { 
-            ctx.Send(DataShard.GetChangeSender(), RemoveSender.Release()); 
-        } 
+    void Complete(TOperation::TPtr, const TActorContext& ctx) override {
+        if (RemoveSender) {
+            ctx.Send(DataShard.GetChangeSender(), RemoveSender.Release());
+        }
     }
 };
 
diff --git a/ydb/core/tx/datashard/erase_rows_condition.cpp b/ydb/core/tx/datashard/erase_rows_condition.cpp
index cf66fca868..d696077351 100644
--- a/ydb/core/tx/datashard/erase_rows_condition.cpp
+++ b/ydb/core/tx/datashard/erase_rows_condition.cpp
@@ -1,198 +1,198 @@
-#include "erase_rows_condition.h" 
- 
+#include "erase_rows_condition.h"
+
 #include <ydb/library/dynumber/dynumber.h>
- 
-#include <library/cpp/actors/core/log.h> 
- 
-#include <util/datetime/base.h> 
-#include <util/string/cast.h> 
- 
-namespace NKikimr { 
+
+#include <library/cpp/actors/core/log.h>
+
+#include <util/datetime/base.h>
+#include <util/string/cast.h>
+
+namespace NKikimr {
 namespace NDataShard {
- 
-class TExpirationCondition: public IEraseRowsCondition { 
+
+class TExpirationCondition: public IEraseRowsCondition {
     using EUnit = NKikimrSchemeOp::TTTLSettings::EUnit;
- 
-    static TMaybe<ui64> InstantValue(TInstant instant, EUnit unit) { 
-        switch (unit) { 
+
+    static TMaybe<ui64> InstantValue(TInstant instant, EUnit unit) {
+        switch (unit) {
         case NKikimrSchemeOp::TTTLSettings::UNIT_SECONDS:
-            return instant.Seconds(); 
+            return instant.Seconds();
         case NKikimrSchemeOp::TTTLSettings::UNIT_MILLISECONDS:
-            return instant.MilliSeconds(); 
+            return instant.MilliSeconds();
         case NKikimrSchemeOp::TTTLSettings::UNIT_MICROSECONDS:
-            return instant.MicroSeconds(); 
+            return instant.MicroSeconds();
         case NKikimrSchemeOp::TTTLSettings::UNIT_NANOSECONDS:
-            return instant.NanoSeconds(); 
-        default: 
-            return Nothing(); 
-        } 
-    } 
- 
-    TMaybe<TString> GetWallClockDyNumber() const { 
-        if (WallClockDyNumber) { 
-            return WallClockDyNumber; 
-        } 
- 
-        if (CannotParseDyNumber) { 
-            return Nothing(); 
-        } 
- 
-        const auto instantValue = InstantValue(WallClockInstant, Unit); 
-        if (!instantValue) { 
-            LOG_CRIT_S(*TlsActivationContext, NKikimrServices::TX_DATASHARD, 
-                "Unsupported unit: " << static_cast<ui32>(Unit)); 
-            return Nothing(); 
-        } 
- 
-        const auto strInstant = ToString(*instantValue); 
-        const auto WallClockDyNumber = NDyNumber::ParseDyNumberString(strInstant); 
-        if (!WallClockDyNumber) { 
-            CannotParseDyNumber = true; 
-            LOG_CRIT_S(*TlsActivationContext, NKikimrServices::TX_DATASHARD, 
-                "Cannot parse DyNumber from: " << strInstant.Quote()); 
-        } 
- 
-        return WallClockDyNumber; 
-    } 
- 
-    bool Check(ui64 value) const { 
-        switch (Type) { 
-        // 'date-type column' mode 
-        case NScheme::NTypeIds::Date: 
-            return TInstant::Days(value) <= WallClockInstant; 
-        case NScheme::NTypeIds::Datetime: 
-            return TInstant::Seconds(value) <= WallClockInstant; 
-        case NScheme::NTypeIds::Timestamp: 
-            return TInstant::MicroSeconds(value) <= WallClockInstant; 
-        // 'value since epoch' mode 
-        case NScheme::NTypeIds::Uint32: 
-        case NScheme::NTypeIds::Uint64: 
-            switch (Unit) { 
+            return instant.NanoSeconds();
+        default:
+            return Nothing();
+        }
+    }
+
+    TMaybe<TString> GetWallClockDyNumber() const {
+        if (WallClockDyNumber) {
+            return WallClockDyNumber;
+        }
+
+        if (CannotParseDyNumber) {
+            return Nothing();
+        }
+
+        const auto instantValue = InstantValue(WallClockInstant, Unit);
+        if (!instantValue) {
+            LOG_CRIT_S(*TlsActivationContext, NKikimrServices::TX_DATASHARD,
+                "Unsupported unit: " << static_cast<ui32>(Unit));
+            return Nothing();
+        }
+
+        const auto strInstant = ToString(*instantValue);
+        const auto WallClockDyNumber = NDyNumber::ParseDyNumberString(strInstant);
+        if (!WallClockDyNumber) {
+            CannotParseDyNumber = true;
+            LOG_CRIT_S(*TlsActivationContext, NKikimrServices::TX_DATASHARD,
+                "Cannot parse DyNumber from: " << strInstant.Quote());
+        }
+
+        return WallClockDyNumber;
+    }
+
+    bool Check(ui64 value) const {
+        switch (Type) {
+        // 'date-type column' mode
+        case NScheme::NTypeIds::Date:
+            return TInstant::Days(value) <= WallClockInstant;
+        case NScheme::NTypeIds::Datetime:
+            return TInstant::Seconds(value) <= WallClockInstant;
+        case NScheme::NTypeIds::Timestamp:
+            return TInstant::MicroSeconds(value) <= WallClockInstant;
+        // 'value since epoch' mode
+        case NScheme::NTypeIds::Uint32:
+        case NScheme::NTypeIds::Uint64:
+            switch (Unit) {
             case NKikimrSchemeOp::TTTLSettings::UNIT_SECONDS:
-                return TInstant::Seconds(value) <= WallClockInstant; 
+                return TInstant::Seconds(value) <= WallClockInstant;
             case NKikimrSchemeOp::TTTLSettings::UNIT_MILLISECONDS:
-                return TInstant::MilliSeconds(value) <= WallClockInstant; 
+                return TInstant::MilliSeconds(value) <= WallClockInstant;
             case NKikimrSchemeOp::TTTLSettings::UNIT_MICROSECONDS:
-                return TInstant::MicroSeconds(value) <= WallClockInstant; 
+                return TInstant::MicroSeconds(value) <= WallClockInstant;
             case NKikimrSchemeOp::TTTLSettings::UNIT_NANOSECONDS:
-                return TInstant::MicroSeconds(value / 1000) <= WallClockInstant; 
-            default: 
-                LOG_CRIT_S(*TlsActivationContext, NKikimrServices::TX_DATASHARD, 
-                    "Unsupported unit: " << static_cast<ui32>(Unit)); 
-                return false; 
-            } 
-        default: 
-            Y_FAIL("Unreachable"); 
-        } 
-    } 
- 
-    bool Check(TStringBuf value) const { 
-        switch (Type) { 
-        // 'value since epoch' mode 
-        case NScheme::NTypeIds::DyNumber: 
-            if (const auto& wallClockDyNumber = GetWallClockDyNumber()) { 
-                Y_VERIFY(NDyNumber::IsValidDyNumber(value)); 
-                return value <= *wallClockDyNumber; 
-            } else { 
-                return false; 
-            } 
-        default: 
-            Y_FAIL("Unreachable"); 
-        } 
-    } 
- 
-public: 
-    explicit TExpirationCondition(NTable::TTag columnId, ui64 wallClockTimestamp, EUnit unit) 
-        : ColumnId(columnId) 
-        , WallClockInstant(TInstant::FromValue(wallClockTimestamp)) 
-        , Unit(unit) 
-        , CannotParseDyNumber(false) 
-        , Pos(Max<NTable::TPos>()) 
-        , Type(0) 
-    { 
-    } 
- 
-    explicit TExpirationCondition(const NKikimrTxDataShard::TExpirationCondition& proto) 
-        : TExpirationCondition(proto.GetColumnId(), proto.GetWallClockTimestamp(), proto.GetColumnUnit()) 
-    { 
-    } 
- 
-    void AddToRequest(NKikimrTxDataShard::TEvEraseRowsRequest& request) const override { 
-        auto& proto = *request.MutableExpiration(); 
-        proto.SetColumnId(ColumnId); 
-        proto.SetWallClockTimestamp(WallClockInstant.GetValue()); 
-        proto.SetColumnUnit(Unit); 
-    } 
- 
+                return TInstant::MicroSeconds(value / 1000) <= WallClockInstant;
+            default:
+                LOG_CRIT_S(*TlsActivationContext, NKikimrServices::TX_DATASHARD,
+                    "Unsupported unit: " << static_cast<ui32>(Unit));
+                return false;
+            }
+        default:
+            Y_FAIL("Unreachable");
+        }
+    }
+
+    bool Check(TStringBuf value) const {
+        switch (Type) {
+        // 'value since epoch' mode
+        case NScheme::NTypeIds::DyNumber:
+            if (const auto& wallClockDyNumber = GetWallClockDyNumber()) {
+                Y_VERIFY(NDyNumber::IsValidDyNumber(value));
+                return value <= *wallClockDyNumber;
+            } else {
+                return false;
+            }
+        default:
+            Y_FAIL("Unreachable");
+        }
+    }
+
+public:
+    explicit TExpirationCondition(NTable::TTag columnId, ui64 wallClockTimestamp, EUnit unit)
+        : ColumnId(columnId)
+        , WallClockInstant(TInstant::FromValue(wallClockTimestamp))
+        , Unit(unit)
+        , CannotParseDyNumber(false)
+        , Pos(Max<NTable::TPos>())
+        , Type(0)
+    {
+    }
+
+    explicit TExpirationCondition(const NKikimrTxDataShard::TExpirationCondition& proto)
+        : TExpirationCondition(proto.GetColumnId(), proto.GetWallClockTimestamp(), proto.GetColumnUnit())
+    {
+    }
+
+    void AddToRequest(NKikimrTxDataShard::TEvEraseRowsRequest& request) const override {
+        auto& proto = *request.MutableExpiration();
+        proto.SetColumnId(ColumnId);
+        proto.SetWallClockTimestamp(WallClockInstant.GetValue());
+        proto.SetColumnUnit(Unit);
+    }
+
     void Prepare(TIntrusiveConstPtr<NTable::TRowScheme> scheme, TMaybe<NTable::TPos> remapPos) override {
-        const auto* columnInfo = scheme->ColInfo(ColumnId); 
-        Y_VERIFY(columnInfo); 
- 
-        Pos = remapPos.GetOrElse(columnInfo->Pos); 
-        Y_VERIFY(Pos < scheme->Tags().size()); 
- 
-        Type = columnInfo->TypeId; 
-    } 
- 
-    bool Check(const NTable::TRowState& row) const override { 
-        Y_VERIFY(Pos != Max<NTable::TPos>()); 
-        Y_VERIFY(Pos < row.Size()); 
- 
-        const auto& cell = row.Get(Pos); 
-        if (cell.IsNull()) { 
-            return false; 
-        } 
- 
-        switch (Type) { 
-        case NScheme::NTypeIds::Date: 
-            return Check(cell.AsValue<ui16>()); 
-        case NScheme::NTypeIds::Datetime: 
-        case NScheme::NTypeIds::Uint32: 
-            return Check(cell.AsValue<ui32>()); 
-        case NScheme::NTypeIds::Timestamp: 
-        case NScheme::NTypeIds::Uint64: 
-            return Check(cell.AsValue<ui64>()); 
-        case NScheme::NTypeIds::DyNumber: 
-            return Check(cell.AsBuf()); 
-        default: 
-            return false; 
-        } 
-    } 
- 
-    TVector<NTable::TTag> Tags() const override { 
-        return {ColumnId}; 
-    } 
- 
-private: 
-    const NTable::TTag ColumnId; 
-    const TInstant WallClockInstant; 
-    const EUnit Unit; 
- 
-    mutable TMaybe<TString> WallClockDyNumber; 
-    mutable bool CannotParseDyNumber; 
- 
-    NTable::TPos Pos; 
-    NScheme::TTypeId Type; 
- 
-}; // TExpirationCondition 
- 
-template <typename TProto> 
-IEraseRowsCondition* CreateEraseRowsConditionImpl(const TProto& proto) { 
-    switch (proto.GetConditionCase()) { 
-        case TProto::kExpiration: 
-            return new TExpirationCondition(proto.GetExpiration()); 
-        default: 
-            return nullptr; 
-    } 
-} 
- 
-IEraseRowsCondition* CreateEraseRowsCondition(const NKikimrTxDataShard::TEvEraseRowsRequest& request) { 
-    return CreateEraseRowsConditionImpl(request); 
-} 
- 
-IEraseRowsCondition* CreateEraseRowsCondition(const NKikimrTxDataShard::TEvConditionalEraseRowsRequest& request) { 
-    return CreateEraseRowsConditionImpl(request); 
-} 
- 
+        const auto* columnInfo = scheme->ColInfo(ColumnId);
+        Y_VERIFY(columnInfo);
+
+        Pos = remapPos.GetOrElse(columnInfo->Pos);
+        Y_VERIFY(Pos < scheme->Tags().size());
+
+        Type = columnInfo->TypeId;
+    }
+
+    bool Check(const NTable::TRowState& row) const override {
+        Y_VERIFY(Pos != Max<NTable::TPos>());
+        Y_VERIFY(Pos < row.Size());
+
+        const auto& cell = row.Get(Pos);
+        if (cell.IsNull()) {
+            return false;
+        }
+
+        switch (Type) {
+        case NScheme::NTypeIds::Date:
+            return Check(cell.AsValue<ui16>());
+        case NScheme::NTypeIds::Datetime:
+        case NScheme::NTypeIds::Uint32:
+            return Check(cell.AsValue<ui32>());
+        case NScheme::NTypeIds::Timestamp:
+        case NScheme::NTypeIds::Uint64:
+            return Check(cell.AsValue<ui64>());
+        case NScheme::NTypeIds::DyNumber:
+            return Check(cell.AsBuf());
+        default:
+            return false;
+        }
+    }
+
+    TVector<NTable::TTag> Tags() const override {
+        return {ColumnId};
+    }
+
+private:
+    const NTable::TTag ColumnId;
+    const TInstant WallClockInstant;
+    const EUnit Unit;
+
+    mutable TMaybe<TString> WallClockDyNumber;
+    mutable bool CannotParseDyNumber;
+
+    NTable::TPos Pos;
+    NScheme::TTypeId Type;
+
+}; // TExpirationCondition
+
+template <typename TProto>
+IEraseRowsCondition* CreateEraseRowsConditionImpl(const TProto& proto) {
+    switch (proto.GetConditionCase()) {
+        case TProto::kExpiration:
+            return new TExpirationCondition(proto.GetExpiration());
+        default:
+            return nullptr;
+    }
+}
+
+IEraseRowsCondition* CreateEraseRowsCondition(const NKikimrTxDataShard::TEvEraseRowsRequest& request) {
+    return CreateEraseRowsConditionImpl(request);
+}
+
+IEraseRowsCondition* CreateEraseRowsCondition(const NKikimrTxDataShard::TEvConditionalEraseRowsRequest& request) {
+    return CreateEraseRowsConditionImpl(request);
+}
+
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/erase_rows_condition.h b/ydb/core/tx/datashard/erase_rows_condition.h
index ba5c9103a5..df902660ba 100644
--- a/ydb/core/tx/datashard/erase_rows_condition.h
+++ b/ydb/core/tx/datashard/erase_rows_condition.h
@@ -1,29 +1,29 @@
-#pragma once 
- 
-#include "defs.h" 
- 
+#pragma once
+
+#include "defs.h"
+
 #include <ydb/core/protos/tx_datashard.pb.h>
 #include <ydb/core/tablet_flat/flat_row_scheme.h>
 #include <ydb/core/tablet_flat/flat_row_state.h>
- 
-#include <util/generic/maybe.h> 
-#include <util/generic/vector.h> 
- 
-namespace NKikimr { 
+
+#include <util/generic/maybe.h>
+#include <util/generic/vector.h>
+
+namespace NKikimr {
 namespace NDataShard {
- 
-class IEraseRowsCondition { 
-public: 
-    virtual ~IEraseRowsCondition() = default; 
-    virtual void AddToRequest(NKikimrTxDataShard::TEvEraseRowsRequest& request) const = 0; 
+
+class IEraseRowsCondition {
+public:
+    virtual ~IEraseRowsCondition() = default;
+    virtual void AddToRequest(NKikimrTxDataShard::TEvEraseRowsRequest& request) const = 0;
     virtual void Prepare(TIntrusiveConstPtr<NTable::TRowScheme> scheme, TMaybe<NTable::TPos> remapPos = Nothing()) = 0;
-    virtual bool Check(const NTable::TRowState& row) const = 0; 
-    virtual TVector<NTable::TTag> Tags() const = 0; 
- 
-}; // IEraseRowsCondition 
- 
-IEraseRowsCondition* CreateEraseRowsCondition(const NKikimrTxDataShard::TEvEraseRowsRequest& request); 
-IEraseRowsCondition* CreateEraseRowsCondition(const NKikimrTxDataShard::TEvConditionalEraseRowsRequest& request); 
- 
+    virtual bool Check(const NTable::TRowState& row) const = 0;
+    virtual TVector<NTable::TTag> Tags() const = 0;
+
+}; // IEraseRowsCondition
+
+IEraseRowsCondition* CreateEraseRowsCondition(const NKikimrTxDataShard::TEvEraseRowsRequest& request);
+IEraseRowsCondition* CreateEraseRowsCondition(const NKikimrTxDataShard::TEvConditionalEraseRowsRequest& request);
+
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/execute_data_tx_unit.cpp b/ydb/core/tx/datashard/execute_data_tx_unit.cpp
index 749e195499..b32f635cc0 100644
--- a/ydb/core/tx/datashard/execute_data_tx_unit.cpp
+++ b/ydb/core/tx/datashard/execute_data_tx_unit.cpp
@@ -239,13 +239,13 @@ void TExecuteDataTxUnit::ExecuteDataTx(TOperation::TPtr op,
 
         if (op->IsImmediate() && !op->IsReadOnly())
             DataShard.PromoteCompleteEdge(writeVersion.Step, txc);
- 
-        if (auto changes = tx->GetDataTx()->GetCollectedChanges()) { 
-            op->ChangeRecords().reserve(changes.size()); 
-            for (const auto& change : changes) { 
-                op->ChangeRecords().emplace_back(change.Order(), change.PathId(), change.BodySize()); 
-            } 
-        } 
+
+        if (auto changes = tx->GetDataTx()->GetCollectedChanges()) {
+            op->ChangeRecords().reserve(changes.size());
+            for (const auto& change : changes) {
+                op->ChangeRecords().emplace_back(change.Order(), change.PathId(), change.BodySize());
+            }
+        }
     }
 
     LOG_TRACE_S(ctx, NKikimrServices::TX_DATASHARD,
diff --git a/ydb/core/tx/datashard/execute_distributed_erase_tx_unit.cpp b/ydb/core/tx/datashard/execute_distributed_erase_tx_unit.cpp
index 79c16e27d1..3c9a86e06b 100644
--- a/ydb/core/tx/datashard/execute_distributed_erase_tx_unit.cpp
+++ b/ydb/core/tx/datashard/execute_distributed_erase_tx_unit.cpp
@@ -1,149 +1,149 @@
-#include "change_collector.h" 
-#include "datashard_active_transaction.h" 
-#include "datashard_distributed_erase.h" 
-#include "datashard_impl.h" 
-#include "datashard_pipeline.h" 
-#include "execution_unit_ctors.h" 
-#include "setup_sys_locks.h" 
- 
-#include <util/generic/bitmap.h> 
- 
-namespace NKikimr { 
+#include "change_collector.h"
+#include "datashard_active_transaction.h"
+#include "datashard_distributed_erase.h"
+#include "datashard_impl.h"
+#include "datashard_pipeline.h"
+#include "execution_unit_ctors.h"
+#include "setup_sys_locks.h"
+
+#include <util/generic/bitmap.h>
+
+namespace NKikimr {
 namespace NDataShard {
- 
-class TExecuteDistributedEraseTxUnit : public TExecutionUnit { 
-    using IChangeCollector = NMiniKQL::IChangeCollector; 
- 
-public: 
+
+class TExecuteDistributedEraseTxUnit : public TExecutionUnit {
+    using IChangeCollector = NMiniKQL::IChangeCollector;
+
+public:
     TExecuteDistributedEraseTxUnit(TDataShard& self, TPipeline& pipeline)
-        : TExecutionUnit(EExecutionUnitKind::ExecuteDistributedEraseTx, false, self, pipeline) 
-    { 
-    } 
- 
-    bool IsReadyToExecute(TOperation::TPtr op) const override { 
+        : TExecutionUnit(EExecutionUnitKind::ExecuteDistributedEraseTx, false, self, pipeline)
+    {
+    }
+
+    bool IsReadyToExecute(TOperation::TPtr op) const override {
         if (DataShard.IsStopping()) {
             // Avoid doing any new work when datashard is stopping
             return false;
         }
 
-        return !op->HasRuntimeConflicts(); 
-    } 
- 
-    EExecutionStatus Execute(TOperation::TPtr op, TTransactionContext& txc, const TActorContext&) override { 
-        Y_VERIFY(op->IsDistributedEraseTx()); 
- 
-        TActiveTransaction* tx = dynamic_cast<TActiveTransaction*>(op.Get()); 
-        Y_VERIFY_S(tx, "cannot cast operation of kind " << op->GetKind()); 
- 
-        TSetupSysLocks guardLocks(op, DataShard); 
- 
-        const auto& eraseTx = tx->GetDistributedEraseTx(); 
-        const auto& request = eraseTx->GetRequest(); 
-        const auto versions = DataShard.GetReadWriteVersions(op.Get()); 
- 
-        if (eraseTx->HasDependents()) { 
-            THolder<IChangeCollector> changeCollector{CreateChangeCollector(DataShard, txc.DB, request.GetTableId(), false)}; 
- 
-            changeCollector->SetWriteVersion(versions.WriteVersion); 
-            if (changeCollector->NeedToReadKeys()) { 
-                changeCollector->SetReadVersion(versions.ReadVersion); 
-            } 
- 
-            auto presentRows = TDynBitMap().Set(0, request.KeyColumnsSize()); 
-            if (!Execute(txc, request, presentRows, eraseTx->GetConfirmedRows(), versions.WriteVersion, changeCollector.Get())) { 
-                return EExecutionStatus::Restart; 
-            } 
- 
-            if (auto changes = changeCollector->GetCollected()) { 
-                op->ChangeRecords().reserve(changes.size()); 
-                for (const auto& change : changes) { 
-                    op->ChangeRecords().emplace_back(change.Order(), change.PathId(), change.BodySize()); 
-                } 
-            } 
-        } else if (eraseTx->HasDependencies()) { 
-            THashMap<ui64, TDynBitMap> presentRows; 
-            for (const auto& dependency : eraseTx->GetDependencies()) { 
-                Y_VERIFY(!presentRows.contains(dependency.GetShardId())); 
-                presentRows.emplace(dependency.GetShardId(), DeserializeBitMap<TDynBitMap>(dependency.GetPresentRows())); 
-            } 
- 
-            for (const auto& [_, readSets] : op->InReadSets()) { 
-                for (const auto& rs : readSets) { 
-                    NKikimrTxDataShard::TDistributedEraseRS body; 
-                    Y_VERIFY(body.ParseFromArray(rs.Body.data(), rs.Body.size())); 
- 
-                    Y_VERIFY(presentRows.contains(rs.Origin)); 
-                    const bool ok = Execute(txc, request, presentRows.at(rs.Origin), DeserializeBitMap<TDynBitMap>(body.GetConfirmedRows()), versions.WriteVersion); 
-                    Y_VERIFY(ok); 
-                } 
-            } 
-        } else { 
-            Y_FAIL_S("Invalid distributed erase tx: " << eraseTx->GetBody().ShortDebugString()); 
-        } 
- 
-        BuildResult(op, NKikimrTxDataShard::TEvProposeTransactionResult::COMPLETE); 
-        DataShard.SysLocksTable().ApplyLocks(); 
+        return !op->HasRuntimeConflicts();
+    }
+
+    EExecutionStatus Execute(TOperation::TPtr op, TTransactionContext& txc, const TActorContext&) override {
+        Y_VERIFY(op->IsDistributedEraseTx());
+
+        TActiveTransaction* tx = dynamic_cast<TActiveTransaction*>(op.Get());
+        Y_VERIFY_S(tx, "cannot cast operation of kind " << op->GetKind());
+
+        TSetupSysLocks guardLocks(op, DataShard);
+
+        const auto& eraseTx = tx->GetDistributedEraseTx();
+        const auto& request = eraseTx->GetRequest();
+        const auto versions = DataShard.GetReadWriteVersions(op.Get());
+
+        if (eraseTx->HasDependents()) {
+            THolder<IChangeCollector> changeCollector{CreateChangeCollector(DataShard, txc.DB, request.GetTableId(), false)};
+
+            changeCollector->SetWriteVersion(versions.WriteVersion);
+            if (changeCollector->NeedToReadKeys()) {
+                changeCollector->SetReadVersion(versions.ReadVersion);
+            }
+
+            auto presentRows = TDynBitMap().Set(0, request.KeyColumnsSize());
+            if (!Execute(txc, request, presentRows, eraseTx->GetConfirmedRows(), versions.WriteVersion, changeCollector.Get())) {
+                return EExecutionStatus::Restart;
+            }
+
+            if (auto changes = changeCollector->GetCollected()) {
+                op->ChangeRecords().reserve(changes.size());
+                for (const auto& change : changes) {
+                    op->ChangeRecords().emplace_back(change.Order(), change.PathId(), change.BodySize());
+                }
+            }
+        } else if (eraseTx->HasDependencies()) {
+            THashMap<ui64, TDynBitMap> presentRows;
+            for (const auto& dependency : eraseTx->GetDependencies()) {
+                Y_VERIFY(!presentRows.contains(dependency.GetShardId()));
+                presentRows.emplace(dependency.GetShardId(), DeserializeBitMap<TDynBitMap>(dependency.GetPresentRows()));
+            }
+
+            for (const auto& [_, readSets] : op->InReadSets()) {
+                for (const auto& rs : readSets) {
+                    NKikimrTxDataShard::TDistributedEraseRS body;
+                    Y_VERIFY(body.ParseFromArray(rs.Body.data(), rs.Body.size()));
+
+                    Y_VERIFY(presentRows.contains(rs.Origin));
+                    const bool ok = Execute(txc, request, presentRows.at(rs.Origin), DeserializeBitMap<TDynBitMap>(body.GetConfirmedRows()), versions.WriteVersion);
+                    Y_VERIFY(ok);
+                }
+            }
+        } else {
+            Y_FAIL_S("Invalid distributed erase tx: " << eraseTx->GetBody().ShortDebugString());
+        }
+
+        BuildResult(op, NKikimrTxDataShard::TEvProposeTransactionResult::COMPLETE);
+        DataShard.SysLocksTable().ApplyLocks();
         Pipeline.AddCommittingOp(op);
- 
-        return EExecutionStatus::ExecutedNoMoreRestarts; 
-    } 
- 
-    bool Execute(TTransactionContext& txc, const NKikimrTxDataShard::TEvEraseRowsRequest& request, 
-            const TDynBitMap& presentRows, const TDynBitMap& confirmedRows, const TRowVersion& writeVersion, 
-            IChangeCollector* changeCollector = nullptr) 
-    { 
-        const ui64 tableId = request.GetTableId(); 
-        const TTableId fullTableId(DataShard.GetPathOwnerId(), tableId); 
- 
-        Y_VERIFY(DataShard.GetUserTables().contains(tableId)); 
-        const TUserTable& tableInfo = *DataShard.GetUserTables().at(tableId); 
- 
-        size_t row = 0; 
-        bool pageFault = false; 
-        Y_FOR_EACH_BIT(i, presentRows) { 
-            if (!confirmedRows.Test(i)) { 
-                ++row; 
-                continue; 
-            } 
- 
-            const auto& serializedKey = request.GetKeyColumns(row++); 
-            TSerializedCellVec keyCells; 
-            Y_VERIFY(TSerializedCellVec::TryParse(serializedKey, keyCells)); 
-            Y_VERIFY(keyCells.GetCells().size() == tableInfo.KeyColumnTypes.size()); 
- 
-            TVector<TRawTypeValue> key; 
-            for (size_t ki : xrange(tableInfo.KeyColumnTypes.size())) { 
-                const auto& kt = tableInfo.KeyColumnTypes[ki]; 
-                const TCell& cell = keyCells.GetCells()[ki]; 
- 
-                key.emplace_back(TRawTypeValue(cell.AsRef(), kt)); 
-            } 
- 
-            if (changeCollector) { 
+
+        return EExecutionStatus::ExecutedNoMoreRestarts;
+    }
+
+    bool Execute(TTransactionContext& txc, const NKikimrTxDataShard::TEvEraseRowsRequest& request,
+            const TDynBitMap& presentRows, const TDynBitMap& confirmedRows, const TRowVersion& writeVersion,
+            IChangeCollector* changeCollector = nullptr)
+    {
+        const ui64 tableId = request.GetTableId();
+        const TTableId fullTableId(DataShard.GetPathOwnerId(), tableId);
+
+        Y_VERIFY(DataShard.GetUserTables().contains(tableId));
+        const TUserTable& tableInfo = *DataShard.GetUserTables().at(tableId);
+
+        size_t row = 0;
+        bool pageFault = false;
+        Y_FOR_EACH_BIT(i, presentRows) {
+            if (!confirmedRows.Test(i)) {
+                ++row;
+                continue;
+            }
+
+            const auto& serializedKey = request.GetKeyColumns(row++);
+            TSerializedCellVec keyCells;
+            Y_VERIFY(TSerializedCellVec::TryParse(serializedKey, keyCells));
+            Y_VERIFY(keyCells.GetCells().size() == tableInfo.KeyColumnTypes.size());
+
+            TVector<TRawTypeValue> key;
+            for (size_t ki : xrange(tableInfo.KeyColumnTypes.size())) {
+                const auto& kt = tableInfo.KeyColumnTypes[ki];
+                const TCell& cell = keyCells.GetCells()[ki];
+
+                key.emplace_back(TRawTypeValue(cell.AsRef(), kt));
+            }
+
+            if (changeCollector) {
                 if (!changeCollector->Collect(fullTableId, NTable::ERowOp::Erase, key, {})) {
-                    changeCollector->Reset(); 
-                    pageFault = true; 
-                } 
-            } 
- 
-            if (pageFault) { 
-                continue; 
-            } 
- 
-            DataShard.SysLocksTable().BreakLock(fullTableId, keyCells.GetCells()); 
+                    changeCollector->Reset();
+                    pageFault = true;
+                }
+            }
+
+            if (pageFault) {
+                continue;
+            }
+
+            DataShard.SysLocksTable().BreakLock(fullTableId, keyCells.GetCells());
             txc.DB.Update(tableInfo.LocalTid, NTable::ERowOp::Erase, key, {}, writeVersion);
-        } 
- 
-        return !pageFault; 
-    } 
- 
-    void Complete(TOperation::TPtr, const TActorContext&) override { 
-    } 
-}; 
- 
+        }
+
+        return !pageFault;
+    }
+
+    void Complete(TOperation::TPtr, const TActorContext&) override {
+    }
+};
+
 THolder<TExecutionUnit> CreateExecuteDistributedEraseTxUnit(TDataShard& self, TPipeline& pipeline) {
-    return THolder(new TExecuteDistributedEraseTxUnit(self, pipeline)); 
-} 
- 
+    return THolder(new TExecuteDistributedEraseTxUnit(self, pipeline));
+}
+
 } // namespace NDataShard
-} // namespace NKikimr 
+} // namespace NKikimr
diff --git a/ydb/core/tx/datashard/execute_kqp_data_tx_unit.cpp b/ydb/core/tx/datashard/execute_kqp_data_tx_unit.cpp
index b730e72f73..70e7be3662 100644
--- a/ydb/core/tx/datashard/execute_kqp_data_tx_unit.cpp
+++ b/ydb/core/tx/datashard/execute_kqp_data_tx_unit.cpp
@@ -155,13 +155,13 @@ EExecutionStatus TExecuteKqpDataTxUnit::Execute(TOperation::TPtr op, TTransactio
             DataShard.PromoteCompleteEdge(writeVersion.Step, txc);
         }
 
-        if (auto changes = dataTx->GetCollectedChanges()) { 
-            op->ChangeRecords().reserve(changes.size()); 
-            for (const auto& change : changes) { 
-                op->ChangeRecords().emplace_back(change.Order(), change.PathId(), change.BodySize()); 
-            } 
-        } 
- 
+        if (auto changes = dataTx->GetCollectedChanges()) {
+            op->ChangeRecords().reserve(changes.size());
+            for (const auto& change : changes) {
+                op->ChangeRecords().emplace_back(change.Order(), change.PathId(), change.BodySize());
+            }
+        }
+
         KqpUpdateDataShardStatCounters(DataShard, dataTx->GetCounters());
         auto statsMode = kqpTx.GetRuntimeSettings().GetStatsMode();
         if (statsMode >= NYql::NDqProto::DQ_STATS_MODE_BASIC) {
diff --git a/ydb/core/tx/datashard/execution_unit.cpp b/ydb/core/tx/datashard/execution_unit.cpp
index ade9bf51a1..9f6e13fa5c 100644
--- a/ydb/core/tx/datashard/execution_unit.cpp
+++ b/ydb/core/tx/datashard/execution_unit.cpp
@@ -16,8 +16,8 @@ THolder<TExecutionUnit> CreateExecutionUnit(EExecutionUnitKind kind,
         return CreateCheckSchemeTxUnit(dataShard, pipeline);
     case EExecutionUnitKind::CheckSnapshotTx:
         return CreateCheckSnapshotTxUnit(dataShard, pipeline);
-    case EExecutionUnitKind::CheckDistributedEraseTx: 
-        return CreateCheckDistributedEraseTxUnit(dataShard, pipeline); 
+    case EExecutionUnitKind::CheckDistributedEraseTx:
+        return CreateCheckDistributedEraseTxUnit(dataShard, pipeline);
     case EExecutionUnitKind::CheckCommitWritesTx:
         return CreateCheckCommitWritesTxUnit(dataShard, pipeline);
     case EExecutionUnitKind::StoreDataTx:
@@ -26,8 +26,8 @@ THolder<TExecutionUnit> CreateExecutionUnit(EExecutionUnitKind kind,
         return CreateStoreSchemeTxUnit(dataShard, pipeline);
     case EExecutionUnitKind::StoreSnapshotTx:
         return CreateStoreSnapshotTxUnit(dataShard, pipeline);
-    case EExecutionUnitKind::StoreDistributedEraseTx: 
-        return CreateStoreDistributedEraseTxUnit(dataShard, pipeline); 
+    case EExecutionUnitKind::StoreDistributedEraseTx:
+        return CreateStoreDistributedEraseTxUnit(dataShard, pipeline);
     case EExecutionUnitKind::StoreCommitWritesTx:
         return CreateStoreCommitWritesTxUnit(dataShard, pipeline);
     case EExecutionUnitKind::BuildAndWaitDependencies:
@@ -48,8 +48,8 @@ THolder<TExecutionUnit> CreateExecutionUnit(EExecutionUnitKind kind,
         return CreateProtectSchemeEchoesUnit(dataShard, pipeline);
     case EExecutionUnitKind::BuildDataTxOutRS:
         return CreateBuildDataTxOutRSUnit(dataShard, pipeline);
-    case EExecutionUnitKind::BuildDistributedEraseTxOutRS: 
-        return CreateBuildDistributedEraseTxOutRSUnit(dataShard, pipeline); 
+    case EExecutionUnitKind::BuildDistributedEraseTxOutRS:
+        return CreateBuildDistributedEraseTxOutRSUnit(dataShard, pipeline);
     case EExecutionUnitKind::BuildKqpDataTxOutRS:
         return CreateBuildKqpDataTxOutRSUnit(dataShard, pipeline);
     case EExecutionUnitKind::StoreAndSendOutRS:
@@ -58,16 +58,16 @@ THolder<TExecutionUnit> CreateExecutionUnit(EExecutionUnitKind kind,
         return CreatePrepareDataTxInRSUnit(dataShard, pipeline);
     case EExecutionUnitKind::PrepareKqpDataTxInRS:
         return CreatePrepareKqpDataTxInRSUnit(dataShard, pipeline);
-    case EExecutionUnitKind::PrepareDistributedEraseTxInRS: 
-        return CreatePrepareDistributedEraseTxInRSUnit(dataShard, pipeline); 
+    case EExecutionUnitKind::PrepareDistributedEraseTxInRS:
+        return CreatePrepareDistributedEraseTxInRSUnit(dataShard, pipeline);
     case EExecutionUnitKind::LoadAndWaitInRS:
         return CreateLoadAndWaitInRSUnit(dataShard, pipeline);
     case EExecutionUnitKind::ExecuteDataTx:
         return CreateExecuteDataTxUnit(dataShard, pipeline);
     case EExecutionUnitKind::ExecuteKqpDataTx:
         return CreateExecuteKqpDataTxUnit(dataShard, pipeline);
-    case EExecutionUnitKind::ExecuteDistributedEraseTx: 
-        return CreateExecuteDistributedEraseTxUnit(dataShard, pipeline); 
+    case EExecutionUnitKind::ExecuteDistributedEraseTx:
+        return CreateExecuteDistributedEraseTxUnit(dataShard, pipeline);
     case EExecutionUnitKind::ExecuteCommitWritesTx:
         return CreateExecuteCommitWritesTxUnit(dataShard, pipeline);
     case EExecutionUnitKind::CompleteOperation:
@@ -86,10 +86,10 @@ THolder<TExecutionUnit> CreateExecutionUnit(EExecutionUnitKind kind,
         return CreateBuildSchemeTxOutRSUnit(dataShard, pipeline);
     case EExecutionUnitKind::PrepareSchemeTxInRS:
         return CreatePrepareSchemeTxInRSUnit(dataShard, pipeline);
-    case EExecutionUnitKind::Backup: 
-        return CreateBackupUnit(dataShard, pipeline); 
-    case EExecutionUnitKind::Restore: 
-        return CreateRestoreUnit(dataShard, pipeline); 
+    case EExecutionUnitKind::Backup:
+        return CreateBackupUnit(dataShard, pipeline);
+    case EExecutionUnitKind::Restore:
+        return CreateRestoreUnit(dataShard, pipeline);
     case EExecutionUnitKind::CreateTable:
         return CreateCreateTableUnit(dataShard, pipeline);
     case EExecutionUnitKind::ReceiveSnapshot:
@@ -100,8 +100,8 @@ THolder<TExecutionUnit> CreateExecutionUnit(EExecutionUnitKind kind,
         return CreateAlterTableUnit(dataShard, pipeline);
     case EExecutionUnitKind::DropTable:
         return CreateDropTableUnit(dataShard, pipeline);
-    case EExecutionUnitKind::DirectOp: 
-        return CreateDirectOpUnit(dataShard, pipeline); 
+    case EExecutionUnitKind::DirectOp:
+        return CreateDirectOpUnit(dataShard, pipeline);
     case EExecutionUnitKind::CreatePersistentSnapshot:
         return CreateCreatePersistentSnapshotUnit(dataShard, pipeline);
     case EExecutionUnitKind::DropPersistentSnapshot:
@@ -118,12 +118,12 @@ THolder<TExecutionUnit> CreateExecutionUnit(EExecutionUnitKind kind,
         return CreateDropIndexNoticeUnit(dataShard, pipeline);
     case EExecutionUnitKind::MoveTable:
         return CreateMoveTableUnit(dataShard, pipeline);
-    case EExecutionUnitKind::CreateCdcStream: 
-        return CreateCreateCdcStreamUnit(dataShard, pipeline); 
-    case EExecutionUnitKind::AlterCdcStream: 
-        return CreateAlterCdcStreamUnit(dataShard, pipeline); 
-    case EExecutionUnitKind::DropCdcStream: 
-        return CreateDropCdcStreamUnit(dataShard, pipeline); 
+    case EExecutionUnitKind::CreateCdcStream:
+        return CreateCreateCdcStreamUnit(dataShard, pipeline);
+    case EExecutionUnitKind::AlterCdcStream:
+        return CreateAlterCdcStreamUnit(dataShard, pipeline);
+    case EExecutionUnitKind::DropCdcStream:
+        return CreateDropCdcStreamUnit(dataShard, pipeline);
     default:
         Y_FAIL_S("Unexpected execution kind " << kind << " (" << (ui32)kind << ")");
     }
@@ -195,19 +195,19 @@ bool TExecutionUnit::CheckRejectDataTx(TOperation::TPtr op, const TActorContext&
         return true;
     }
 
-    if (!op->IsReadOnly() && DataShard.CheckChangesQueueOverflow()) { 
-        TString err = TStringBuilder() 
-                << "Can't execute at blocked shard: " << " tablet id: " << DataShard.TabletID(); 
-        BuildResult(op, NKikimrTxDataShard::TEvProposeTransactionResult::OVERLOADED) 
-                ->AddError(NKikimrTxDataShard::TError::SHARD_IS_BLOCKED, err); 
- 
-        LOG_NOTICE_S(ctx, NKikimrServices::TX_DATASHARD, 
-                     "Tablet " << DataShard.TabletID() << " rejecting tx due to changes queue overflow"); 
- 
-        op->Abort(); 
-        return true; 
-    } 
- 
+    if (!op->IsReadOnly() && DataShard.CheckChangesQueueOverflow()) {
+        TString err = TStringBuilder()
+                << "Can't execute at blocked shard: " << " tablet id: " << DataShard.TabletID();
+        BuildResult(op, NKikimrTxDataShard::TEvProposeTransactionResult::OVERLOADED)
+                ->AddError(NKikimrTxDataShard::TError::SHARD_IS_BLOCKED, err);
+
+        LOG_NOTICE_S(ctx, NKikimrServices::TX_DATASHARD,
+                     "Tablet " << DataShard.TabletID() << " rejecting tx due to changes queue overflow");
+
+        op->Abort();
+        return true;
+    }
+
     return false;
 }
 
@@ -236,10 +236,10 @@ bool TExecutionUnit::WillRejectDataTx(TOperation::TPtr op) const {
         return true;
     }
 
-    if (!op->IsReadOnly() && DataShard.CheckChangesQueueOverflow()) { 
-        return true; 
-    } 
- 
+    if (!op->IsReadOnly() && DataShard.CheckChangesQueueOverflow()) {
+        return true;
+    }
+
     return false;
 }
 
diff --git a/ydb/core/tx/datashard/execution_unit_ctors.h b/ydb/core/tx/datashard/execution_unit_ctors.h
index 93effadc42..f043a02fad 100644
--- a/ydb/core/tx/datashard/execution_unit_ctors.h
+++ b/ydb/core/tx/datashard/execution_unit_ctors.h
@@ -62,6 +62,6 @@ THolder<TExecutionUnit> CreateMoveTableUnit(TDataShard &dataShard, TPipeline &pi
 THolder<TExecutionUnit> CreateCreateCdcStreamUnit(TDataShard &dataShard, TPipeline &pipeline);
 THolder<TExecutionUnit> CreateAlterCdcStreamUnit(TDataShard &dataShard, TPipeline &pipeline);
 THolder<TExecutionUnit> CreateDropCdcStreamUnit(TDataShard &dataShard, TPipeline &pipeline);
- 
+
 } // namespace NDataShard
 } // namespace NKikimr
diff --git a/ydb/core/tx/datashard/execution_unit_kind.h b/ydb/core/tx/datashard/execution_unit_kind.h
index eb12d0d827..88e763887f 100644
--- a/ydb/core/tx/datashard/execution_unit_kind.h
+++ b/ydb/core/tx/datashard/execution_unit_kind.h
@@ -8,12 +8,12 @@ enum class EExecutionUnitKind : ui32 {
     CheckDataTx,
     CheckSchemeTx,
     CheckSnapshotTx,
-    CheckDistributedEraseTx, 
+    CheckDistributedEraseTx,
     CheckCommitWritesTx,
     StoreDataTx,
     StoreSchemeTx,
     StoreSnapshotTx,
-    StoreDistributedEraseTx, 
+    StoreDistributedEraseTx,
     StoreCommitWritesTx,
     BuildAndWaitDependencies,
     FinishPropose,
@@ -25,15 +25,15 @@ enum class EExecutionUnitKind : ui32 {
     ProtectSchemeEchoes,
     BuildDataTxOutRS,
     BuildKqpDataTxOutRS,
-    BuildDistributedEraseTxOutRS, 
+    BuildDistributedEraseTxOutRS,
     StoreAndSendOutRS,
     PrepareDataTxInRS,
     PrepareKqpDataTxInRS,
-    PrepareDistributedEraseTxInRS, 
+    PrepareDistributedEraseTxInRS,
     LoadAndWaitInRS,
     ExecuteDataTx,
     ExecuteKqpDataTx,
-    ExecuteDistributedEraseTx, 
+    ExecuteDistributedEraseTx,
     ExecuteCommitWritesTx,
     CompleteOperation,
     ExecuteKqpScanTx,
@@ -43,14 +43,14 @@ enum class EExecutionUnitKind : ui32 {
     MakeSnapshot,
     BuildSchemeTxOutRS,
     PrepareSchemeTxInRS,
-    Backup, 
-    Restore, 
+    Backup,
+    Restore,
     CreateTable,
     ReceiveSnapshot,
     AlterMoveShadow,
     AlterTable,
     DropTable,
-    DirectOp, 
+    DirectOp,
     CreatePersistentSnapshot,
     DropPersistentSnapshot,
     CreateVolatileSnapshot,
@@ -59,9 +59,9 @@ enum class EExecutionUnitKind : ui32 {
     FinalizeBuildIndex,
     DropIndexNotice,
     MoveTable,
-    CreateCdcStream, 
-    AlterCdcStream, 
-    DropCdcStream, 
+    CreateCdcStream,
+    AlterCdcStream,
+    DropCdcStream,
     Count,
     Unspecified
 };
diff --git a/ydb/core/tx/datashard/export_common.cpp b/ydb/core/tx/datashard/export_common.cpp
index 62046a34ce..e00cc2b560 100644
--- a/ydb/core/tx/datashard/export_common.cpp
+++ b/ydb/core/tx/datashard/export_common.cpp
@@ -1,86 +1,86 @@
-#include "export_common.h" 
- 
+#include "export_common.h"
+
 #include <ydb/core/engine/mkql_proto.h>
 #include <ydb/core/ydb_convert/table_description.h>
 #include <ydb/core/ydb_convert/ydb_convert.h>
 #include <ydb/library/dynumber/dynumber.h>
 #include <ydb/public/lib/scheme_types/scheme_type_id.h>
- 
+
 #include <ydb/library/yql/public/decimal/yql_decimal.h>
- 
-#include <util/generic/algorithm.h> 
- 
-namespace NKikimr { 
+
+#include <util/generic/algorithm.h>
+
+namespace NKikimr {
 namespace NDataShard {
- 
-static void ResortColumns( 
-        google::protobuf::RepeatedPtrField<Ydb::Table::ColumnMeta>& columns, 
-        const TMap<ui32, TUserTable::TUserColumn>& order) 
-{ 
-    THashMap<TString, ui32> nameToTag; 
-    for (const auto& [tag, column] : order) { 
-        Y_VERIFY(nameToTag.emplace(column.Name, tag).second); 
-    } 
- 
-    SortBy(columns, [&nameToTag](const auto& column) { 
-        auto it = nameToTag.find(column.name()); 
-        Y_VERIFY(it != nameToTag.end()); 
-        return it->second; 
-    }); 
-} 
- 
-TMaybe<Ydb::Table::CreateTableRequest> GenYdbScheme( 
-        const TMap<ui32, TUserTable::TUserColumn>& columns, 
+
+static void ResortColumns(
+        google::protobuf::RepeatedPtrField<Ydb::Table::ColumnMeta>& columns,
+        const TMap<ui32, TUserTable::TUserColumn>& order)
+{
+    THashMap<TString, ui32> nameToTag;
+    for (const auto& [tag, column] : order) {
+        Y_VERIFY(nameToTag.emplace(column.Name, tag).second);
+    }
+
+    SortBy(columns, [&nameToTag](const auto& column) {
+        auto it = nameToTag.find(column.name());
+        Y_VERIFY(it != nameToTag.end());
+        return it->second;
+    });
+}
+
+TMaybe<Ydb::Table::CreateTableRequest> GenYdbScheme(
+        const TMap<ui32, TUserTable::TUserColumn>& columns,
         const NKikimrSchemeOp::TPathDescription& pathDesc)
-{ 
-    if (!pathDesc.HasTable()) { 
-        return Nothing(); 
-    } 
- 
-    Ydb::Table::CreateTableRequest scheme; 
- 
-    const auto& tableDesc = pathDesc.GetTable(); 
-    NKikimrMiniKQL::TType mkqlKeyType; 
- 
-    try { 
-        FillColumnDescription(scheme, mkqlKeyType, tableDesc); 
-    } catch (const yexception&) { 
-        return Nothing(); 
-    } 
- 
-    ResortColumns(*scheme.mutable_columns(), columns); 
- 
-    scheme.mutable_primary_key()->CopyFrom(tableDesc.GetKeyColumnNames()); 
- 
-    try { 
-        FillTableBoundary(scheme, tableDesc, mkqlKeyType); 
-    } catch (const yexception&) { 
-        return Nothing(); 
-    } 
- 
-    FillIndexDescription(scheme, tableDesc); 
-    FillStorageSettings(scheme, tableDesc); 
-    FillColumnFamilies(scheme, tableDesc); 
-    FillAttributes(scheme, pathDesc); 
-    FillPartitioningSettings(scheme, tableDesc); 
-    FillKeyBloomFilter(scheme, tableDesc); 
-    FillReadReplicasSettings(scheme, tableDesc); 
- 
-    return scheme; 
-} 
- 
-TString DecimalToString(const std::pair<ui64, i64>& loHi) { 
-    using namespace NYql::NDecimal; 
- 
-    TInt128 val = FromHalfs(loHi.first, loHi.second); 
-    return ToString(val, NScheme::DECIMAL_PRECISION, NScheme::DECIMAL_SCALE); 
-} 
- 
-TString DyNumberToString(TStringBuf data) { 
-    auto result = NDyNumber::DyNumberToString(data); 
-    Y_VERIFY(result.Defined(), "Invalid DyNumber binary representation"); 
-    return *result; 
-} 
- 
+{
+    if (!pathDesc.HasTable()) {
+        return Nothing();
+    }
+
+    Ydb::Table::CreateTableRequest scheme;
+
+    const auto& tableDesc = pathDesc.GetTable();
+    NKikimrMiniKQL::TType mkqlKeyType;
+
+    try {
+        FillColumnDescription(scheme, mkqlKeyType, tableDesc);
+    } catch (const yexception&) {
+        return Nothing();
+    }
+
+    ResortColumns(*scheme.mutable_columns(), columns);
+
+    scheme.mutable_primary_key()->CopyFrom(tableDesc.GetKeyColumnNames());
+
+    try {
+        FillTableBoundary(scheme, tableDesc, mkqlKeyType);
+    } catch (const yexception&) {
+        return Nothing();
+    }
+
+    FillIndexDescription(scheme, tableDesc);
+    FillStorageSettings(scheme, tableDesc);
+    FillColumnFamilies(scheme, tableDesc);
+    FillAttributes(scheme, pathDesc);
+    FillPartitioningSettings(scheme, tableDesc);
+    FillKeyBloomFilter(scheme, tableDesc);
+    FillReadReplicasSettings(scheme, tableDesc);
+
+    return scheme;
+}
+
+TString DecimalToString(const std::pair<ui64, i64>& loHi) {
+    using namespace NYql::NDecimal;
+
+    TInt128 val = FromHalfs(loHi.first, loHi.second);
+    return ToString(val, NScheme::DECIMAL_PRECISION, NScheme::DECIMAL_SCALE);
+}
+
+TString DyNumberToString(TStringBuf data) {
+    auto result = NDyNumber::DyNumberToString(data);
+    Y_VERIFY(result.Defined(), "Invalid DyNumber binary representation");
+    return *result;
+}
+
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/export_common.h b/ydb/core/tx/datashard/export_common.h
index 9aab2bdbbe..b9ccffe2a1 100644
--- a/ydb/core/tx/datashard/export_common.h
+++ b/ydb/core/tx/datashard/export_common.h
@@ -1,42 +1,42 @@
-#pragma once 
- 
-#include "datashard_user_table.h" 
- 
+#pragma once
+
+#include "datashard_user_table.h"
+
 #include <ydb/core/protos/flat_scheme_op.pb.h>
 #include <ydb/public/api/protos/ydb_table.pb.h>
- 
-#include <util/generic/map.h> 
-#include <util/generic/maybe.h> 
-#include <util/generic/string.h> 
-#include <util/generic/vector.h> 
- 
-#if defined EXPORT_LOG_T || \ 
-    defined EXPORT_LOG_D || \ 
-    defined EXPORT_LOG_I || \ 
-    defined EXPORT_LOG_N || \ 
-    defined EXPORT_LOG_W || \ 
-    defined EXPORT_LOG_E || \ 
-    defined EXPORT_LOG_C 
-#error log macro redefinition 
-#endif 
- 
-#define EXPORT_LOG_T(stream) LOG_TRACE_S(*TlsActivationContext, NKikimrServices::DATASHARD_BACKUP, "[Export] [" << LogPrefix() << "] " << stream) 
-#define EXPORT_LOG_D(stream) LOG_DEBUG_S(*TlsActivationContext, NKikimrServices::DATASHARD_BACKUP, "[Export] [" << LogPrefix() << "] " << stream) 
-#define EXPORT_LOG_I(stream) LOG_INFO_S(*TlsActivationContext, NKikimrServices::DATASHARD_BACKUP, "[Export] [" << LogPrefix() << "] " << stream) 
-#define EXPORT_LOG_N(stream) LOG_NOTICE_S(*TlsActivationContext, NKikimrServices::DATASHARD_BACKUP, "[Export] [" << LogPrefix() << "] " << stream) 
-#define EXPORT_LOG_W(stream) LOG_WARN_S(*TlsActivationContext, NKikimrServices::DATASHARD_BACKUP, "[Export] [" << LogPrefix() << "] " << stream) 
-#define EXPORT_LOG_E(stream) LOG_ERROR_S(*TlsActivationContext, NKikimrServices::DATASHARD_BACKUP, "[Export] [" << LogPrefix() << "] " << stream) 
-#define EXPORT_LOG_C(stream) LOG_CRIT_S(*TlsActivationContext, NKikimrServices::DATASHARD_BACKUP, "[Export] [" << LogPrefix() << "] " << stream) 
- 
-namespace NKikimr { 
+
+#include <util/generic/map.h>
+#include <util/generic/maybe.h>
+#include <util/generic/string.h>
+#include <util/generic/vector.h>
+
+#if defined EXPORT_LOG_T || \
+    defined EXPORT_LOG_D || \
+    defined EXPORT_LOG_I || \
+    defined EXPORT_LOG_N || \
+    defined EXPORT_LOG_W || \
+    defined EXPORT_LOG_E || \
+    defined EXPORT_LOG_C
+#error log macro redefinition
+#endif
+
+#define EXPORT_LOG_T(stream) LOG_TRACE_S(*TlsActivationContext, NKikimrServices::DATASHARD_BACKUP, "[Export] [" << LogPrefix() << "] " << stream)
+#define EXPORT_LOG_D(stream) LOG_DEBUG_S(*TlsActivationContext, NKikimrServices::DATASHARD_BACKUP, "[Export] [" << LogPrefix() << "] " << stream)
+#define EXPORT_LOG_I(stream) LOG_INFO_S(*TlsActivationContext, NKikimrServices::DATASHARD_BACKUP, "[Export] [" << LogPrefix() << "] " << stream)
+#define EXPORT_LOG_N(stream) LOG_NOTICE_S(*TlsActivationContext, NKikimrServices::DATASHARD_BACKUP, "[Export] [" << LogPrefix() << "] " << stream)
+#define EXPORT_LOG_W(stream) LOG_WARN_S(*TlsActivationContext, NKikimrServices::DATASHARD_BACKUP, "[Export] [" << LogPrefix() << "] " << stream)
+#define EXPORT_LOG_E(stream) LOG_ERROR_S(*TlsActivationContext, NKikimrServices::DATASHARD_BACKUP, "[Export] [" << LogPrefix() << "] " << stream)
+#define EXPORT_LOG_C(stream) LOG_CRIT_S(*TlsActivationContext, NKikimrServices::DATASHARD_BACKUP, "[Export] [" << LogPrefix() << "] " << stream)
+
+namespace NKikimr {
 namespace NDataShard {
- 
-TMaybe<Ydb::Table::CreateTableRequest> GenYdbScheme( 
-    const TMap<ui32, TUserTable::TUserColumn>& columns, 
+
+TMaybe<Ydb::Table::CreateTableRequest> GenYdbScheme(
+    const TMap<ui32, TUserTable::TUserColumn>& columns,
     const NKikimrSchemeOp::TPathDescription& pathDesc);
- 
-TString DecimalToString(const std::pair<ui64, i64>& loHi); 
-TString DyNumberToString(TStringBuf data); 
- 
+
+TString DecimalToString(const std::pair<ui64, i64>& loHi);
+TString DyNumberToString(TStringBuf data);
+
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/export_iface.h b/ydb/core/tx/datashard/export_iface.h
index ae617aa4bf..2374a9ab8b 100644
--- a/ydb/core/tx/datashard/export_iface.h
+++ b/ydb/core/tx/datashard/export_iface.h
@@ -8,30 +8,30 @@ namespace NDataShard {
 
 class IExport {
 public:
-    using TTableColumns = TMap<ui32, TUserTable::TUserColumn>; 
-    using TTask = NKikimrSchemeOp::TBackupTask; 
-    using IBuffer = NExportScan::IBuffer; 
-
-public: 
-    virtual ~IExport() = default; 
-
-    virtual IActor* CreateUploader( 
-        const TActorId& dataShard, 
-        ui64 txId, 
-        const TTableColumns& columns, 
-        const TTask& task) const = 0; 
- 
-    virtual IBuffer* CreateBuffer(const TTableColumns& columns, ui64 rowsLimit, ui64 bytesLimit) const = 0; 
- 
+    using TTableColumns = TMap<ui32, TUserTable::TUserColumn>;
+    using TTask = NKikimrSchemeOp::TBackupTask;
+    using IBuffer = NExportScan::IBuffer;
+
+public:
+    virtual ~IExport() = default;
+
+    virtual IActor* CreateUploader(
+        const TActorId& dataShard,
+        ui64 txId,
+        const TTableColumns& columns,
+        const TTask& task) const = 0;
+
+    virtual IBuffer* CreateBuffer(const TTableColumns& columns, ui64 rowsLimit, ui64 bytesLimit) const = 0;
+
     virtual void Shutdown() const = 0;
 };
 
 class IExportFactory {
 public:
-    virtual ~IExportFactory() = default; 
- 
-    virtual IExport* CreateExportToYt(bool useTypeV3) const = 0; 
-    virtual IExport* CreateExportToS3() const = 0; 
+    virtual ~IExportFactory() = default;
+
+    virtual IExport* CreateExportToYt(bool useTypeV3) const = 0;
+    virtual IExport* CreateExportToS3() const = 0;
     virtual void Shutdown() = 0;
 };
 
diff --git a/ydb/core/tx/datashard/export_s3.h b/ydb/core/tx/datashard/export_s3.h
index 5ed0487c2d..95cb9de764 100644
--- a/ydb/core/tx/datashard/export_s3.h
+++ b/ydb/core/tx/datashard/export_s3.h
@@ -1,30 +1,30 @@
-#pragma once 
- 
-#ifndef KIKIMR_DISABLE_S3_OPS 
- 
-#include "defs.h" 
+#pragma once
+
+#ifndef KIKIMR_DISABLE_S3_OPS
+
+#include "defs.h"
 #include "export_iface.h"
-#include "export_s3_buffer.h" 
- 
-namespace NKikimr { 
+#include "export_s3_buffer.h"
+
+namespace NKikimr {
 namespace NDataShard {
- 
-class TS3Export: public IExport { 
+
+class TS3Export: public IExport {
 public:
     IActor* CreateUploader(
-        const TActorId& dataShard, 
-        ui64 txId, 
-        const TTableColumns& columns, 
-        const TTask& task) const override; 
- 
-    IBuffer* CreateBuffer(const TTableColumns& columns, ui64 rowsLimit, ui64 bytesLimit) const override { 
-        return CreateS3ExportBuffer(columns, rowsLimit, bytesLimit); 
-    } 
+        const TActorId& dataShard,
+        ui64 txId,
+        const TTableColumns& columns,
+        const TTask& task) const override;
+
+    IBuffer* CreateBuffer(const TTableColumns& columns, ui64 rowsLimit, ui64 bytesLimit) const override {
+        return CreateS3ExportBuffer(columns, rowsLimit, bytesLimit);
+    }
 
     void Shutdown() const override {}
 };
- 
+
 } // NDataShard
-} // NKikimr 
- 
-#endif // KIKIMR_DISABLE_S3_OPS 
+} // NKikimr
+
+#endif // KIKIMR_DISABLE_S3_OPS
diff --git a/ydb/core/tx/datashard/export_s3_base_uploader.h b/ydb/core/tx/datashard/export_s3_base_uploader.h
index 3bb4323641..8c72a8c393 100644
--- a/ydb/core/tx/datashard/export_s3_base_uploader.h
+++ b/ydb/core/tx/datashard/export_s3_base_uploader.h
@@ -1,467 +1,467 @@
 #pragma once
-#ifndef KIKIMR_DISABLE_S3_OPS 
- 
-#include "datashard.h" 
-#include "export_common.h" 
-#include "export_s3.h" 
-#include "s3_common.h" 
- 
+#ifndef KIKIMR_DISABLE_S3_OPS
+
+#include "datashard.h"
+#include "export_common.h"
+#include "export_s3.h"
+#include "s3_common.h"
+
 #include <ydb/core/base/appdata.h>
 #include <ydb/core/protos/flat_scheme_op.pb.h>
 #include <ydb/core/protos/services.pb.h>
 #include <ydb/core/wrappers/s3_wrapper.h>
 #include <library/cpp/actors/core/actor_bootstrapped.h>
 #include <library/cpp/actors/core/hfunc.h>
- 
-#include <util/generic/maybe.h> 
-#include <util/generic/ptr.h> 
-#include <util/generic/string.h> 
-#include <util/string/builder.h> 
- 
-namespace NKikimr { 
+
+#include <util/generic/maybe.h>
+#include <util/generic/ptr.h>
+#include <util/generic/string.h>
+#include <util/string/builder.h>
+
+namespace NKikimr {
 namespace NDataShard {
- 
-using namespace Aws::S3; 
-using namespace Aws; 
- 
-class IProxyOps { 
-public: 
-    virtual ~IProxyOps() = default; 
-    virtual bool NeedToResolveProxy() const = 0; 
-    virtual void ResolveProxy() = 0; 
- 
-}; // IProxyOps 
- 
-template <typename TDerived> 
-class TS3UploaderBase: public TActorBootstrapped<TDerived> 
-                     , private NWrappers::TS3User 
-                     , public IProxyOps 
-{ 
-    using TEvS3Wrapper = NWrappers::TEvS3Wrapper; 
-    using TEvBuffer = TEvExportScan::TEvBuffer<TString>; 
- 
-protected: 
-    void Restart() { 
-        Y_VERIFY(ProxyResolved); 
- 
-        MultiPart = false; 
-        Last = false; 
-        Parts.clear(); 
- 
-        if (Attempt) { 
-            this->Send(std::exchange(Client, TActorId()), new TEvents::TEvPoisonPill()); 
-        } 
- 
-        Client = this->RegisterWithSameMailbox(NWrappers::CreateS3Wrapper(Settings.Credentials, Settings.Config)); 
- 
-        if (!SchemeUploaded) { 
-            this->Become(&TDerived::StateUploadScheme); 
- 
-            UploadScheme(); 
-        } else { 
-            this->Become(&TDerived::StateUploadData); 
- 
-            if (Attempt) { 
-                this->Send(std::exchange(Scanner, TActorId()), new TEvExportScan::TEvReset()); 
-            } else if (Scanner) { 
-                this->Send(Scanner, new TEvExportScan::TEvFeed()); 
-            } 
-        } 
-    } 
- 
-    void UploadScheme() { 
-        Y_VERIFY(!SchemeUploaded); 
- 
-        if (!Scheme) { 
-            return Finish(false, "Cannot infer scheme"); 
-        } 
- 
-        google::protobuf::TextFormat::PrintToString(Scheme.GetRef(), &Buffer); 
- 
-        auto request = Model::PutObjectRequest() 
-            .WithBucket(Settings.Bucket) 
-            .WithKey(Settings.SchemeKey) 
-            .WithStorageClass(Settings.StorageClass); 
-        this->Send(Client, new TEvS3Wrapper::TEvPutObjectRequest(request, std::move(Buffer))); 
-    } 
- 
-    void HandleScheme(TEvS3Wrapper::TEvPutObjectResponse::TPtr& ev) { 
-        const auto& result = ev->Get()->Result; 
- 
-        EXPORT_LOG_D("HandleScheme TEvS3Wrapper::TEvPutObjectResponse" 
-            << ": self# " << this->SelfId() 
-            << ", result# " << result); 
- 
+
+using namespace Aws::S3;
+using namespace Aws;
+
+class IProxyOps {
+public:
+    virtual ~IProxyOps() = default;
+    virtual bool NeedToResolveProxy() const = 0;
+    virtual void ResolveProxy() = 0;
+
+}; // IProxyOps
+
+template <typename TDerived>
+class TS3UploaderBase: public TActorBootstrapped<TDerived>
+                     , private NWrappers::TS3User
+                     , public IProxyOps
+{
+    using TEvS3Wrapper = NWrappers::TEvS3Wrapper;
+    using TEvBuffer = TEvExportScan::TEvBuffer<TString>;
+
+protected:
+    void Restart() {
+        Y_VERIFY(ProxyResolved);
+
+        MultiPart = false;
+        Last = false;
+        Parts.clear();
+
+        if (Attempt) {
+            this->Send(std::exchange(Client, TActorId()), new TEvents::TEvPoisonPill());
+        }
+
+        Client = this->RegisterWithSameMailbox(NWrappers::CreateS3Wrapper(Settings.Credentials, Settings.Config));
+
+        if (!SchemeUploaded) {
+            this->Become(&TDerived::StateUploadScheme);
+
+            UploadScheme();
+        } else {
+            this->Become(&TDerived::StateUploadData);
+
+            if (Attempt) {
+                this->Send(std::exchange(Scanner, TActorId()), new TEvExportScan::TEvReset());
+            } else if (Scanner) {
+                this->Send(Scanner, new TEvExportScan::TEvFeed());
+            }
+        }
+    }
+
+    void UploadScheme() {
+        Y_VERIFY(!SchemeUploaded);
+
+        if (!Scheme) {
+            return Finish(false, "Cannot infer scheme");
+        }
+
+        google::protobuf::TextFormat::PrintToString(Scheme.GetRef(), &Buffer);
+
+        auto request = Model::PutObjectRequest()
+            .WithBucket(Settings.Bucket)
+            .WithKey(Settings.SchemeKey)
+            .WithStorageClass(Settings.StorageClass);
+        this->Send(Client, new TEvS3Wrapper::TEvPutObjectRequest(request, std::move(Buffer)));
+    }
+
+    void HandleScheme(TEvS3Wrapper::TEvPutObjectResponse::TPtr& ev) {
+        const auto& result = ev->Get()->Result;
+
+        EXPORT_LOG_D("HandleScheme TEvS3Wrapper::TEvPutObjectResponse"
+            << ": self# " << this->SelfId()
+            << ", result# " << result);
+
         if (!CheckResult(result, TStringBuf("PutObject (scheme)"))) {
-            return; 
-        } 
- 
-        SchemeUploaded = true; 
- 
-        if (Scanner) { 
-            this->Send(Scanner, new TEvExportScan::TEvFeed()); 
-        } 
- 
-        this->Become(&TDerived::StateUploadData); 
-    } 
- 
-    void Handle(TEvExportScan::TEvReady::TPtr& ev) { 
-        EXPORT_LOG_D("Handle TEvExportScan::TEvReady" 
-            << ": self# " << this->SelfId() 
-            << ", sender# " << ev->Sender); 
- 
-        Scanner = ev->Sender; 
- 
-        if (Error) { 
-            return PassAway(); 
-        } 
- 
-        if (ProxyResolved && SchemeUploaded) { 
-            this->Send(Scanner, new TEvExportScan::TEvFeed()); 
-        } 
-    } 
- 
-    void Handle(TEvBuffer::TPtr& ev) { 
-        EXPORT_LOG_D("Handle TEvExportScan::TEvBuffer" 
-            << ": self# " << this->SelfId() 
-            << ", sender# " << ev->Sender 
-            << ", msg# " << ev->Get()->ToString()); 
- 
-        if (ev->Sender != Scanner) { 
-            EXPORT_LOG_W("Received buffer from unknown scanner" 
-                << ": self# " << this->SelfId() 
-                << ", sender# " << ev->Sender 
-                << ", scanner# " << Scanner); 
-            return; 
-        } 
- 
-        Last = ev->Get()->Last; 
-        MultiPart = MultiPart || !Last; 
-        Buffer.swap(ev->Get()->Buffer); 
- 
-        UploadData(); 
-    } 
- 
-    void UploadData() { 
-        if (!MultiPart) { 
-            auto request = Model::PutObjectRequest() 
-                .WithBucket(Settings.Bucket) 
-                .WithKey(Settings.DataKey) 
-                .WithStorageClass(Settings.StorageClass); 
-            this->Send(Client, new TEvS3Wrapper::TEvPutObjectRequest(request, std::move(Buffer))); 
-        } else { 
-            if (!UploadId) { 
-                this->Send(DataShard, new TEvDataShard::TEvGetS3Upload(this->SelfId(), TxId)); 
-                return; 
-            } 
- 
-            auto request = Model::UploadPartRequest() 
-                .WithBucket(Settings.Bucket) 
-                .WithKey(Settings.DataKey) 
-                .WithUploadId(*UploadId) 
-                .WithPartNumber(Parts.size() + 1); 
-            this->Send(Client, new TEvS3Wrapper::TEvUploadPartRequest(request, std::move(Buffer))); 
-        } 
-    } 
- 
-    void HandleData(TEvS3Wrapper::TEvPutObjectResponse::TPtr& ev) { 
-        const auto& result = ev->Get()->Result; 
- 
-        EXPORT_LOG_D("HandleData TEvS3Wrapper::TEvPutObjectResponse" 
-            << ": self# " << this->SelfId() 
-            << ", result# " << result); 
- 
+            return;
+        }
+
+        SchemeUploaded = true;
+
+        if (Scanner) {
+            this->Send(Scanner, new TEvExportScan::TEvFeed());
+        }
+
+        this->Become(&TDerived::StateUploadData);
+    }
+
+    void Handle(TEvExportScan::TEvReady::TPtr& ev) {
+        EXPORT_LOG_D("Handle TEvExportScan::TEvReady"
+            << ": self# " << this->SelfId()
+            << ", sender# " << ev->Sender);
+
+        Scanner = ev->Sender;
+
+        if (Error) {
+            return PassAway();
+        }
+
+        if (ProxyResolved && SchemeUploaded) {
+            this->Send(Scanner, new TEvExportScan::TEvFeed());
+        }
+    }
+
+    void Handle(TEvBuffer::TPtr& ev) {
+        EXPORT_LOG_D("Handle TEvExportScan::TEvBuffer"
+            << ": self# " << this->SelfId()
+            << ", sender# " << ev->Sender
+            << ", msg# " << ev->Get()->ToString());
+
+        if (ev->Sender != Scanner) {
+            EXPORT_LOG_W("Received buffer from unknown scanner"
+                << ": self# " << this->SelfId()
+                << ", sender# " << ev->Sender
+                << ", scanner# " << Scanner);
+            return;
+        }
+
+        Last = ev->Get()->Last;
+        MultiPart = MultiPart || !Last;
+        Buffer.swap(ev->Get()->Buffer);
+
+        UploadData();
+    }
+
+    void UploadData() {
+        if (!MultiPart) {
+            auto request = Model::PutObjectRequest()
+                .WithBucket(Settings.Bucket)
+                .WithKey(Settings.DataKey)
+                .WithStorageClass(Settings.StorageClass);
+            this->Send(Client, new TEvS3Wrapper::TEvPutObjectRequest(request, std::move(Buffer)));
+        } else {
+            if (!UploadId) {
+                this->Send(DataShard, new TEvDataShard::TEvGetS3Upload(this->SelfId(), TxId));
+                return;
+            }
+
+            auto request = Model::UploadPartRequest()
+                .WithBucket(Settings.Bucket)
+                .WithKey(Settings.DataKey)
+                .WithUploadId(*UploadId)
+                .WithPartNumber(Parts.size() + 1);
+            this->Send(Client, new TEvS3Wrapper::TEvUploadPartRequest(request, std::move(Buffer)));
+        }
+    }
+
+    void HandleData(TEvS3Wrapper::TEvPutObjectResponse::TPtr& ev) {
+        const auto& result = ev->Get()->Result;
+
+        EXPORT_LOG_D("HandleData TEvS3Wrapper::TEvPutObjectResponse"
+            << ": self# " << this->SelfId()
+            << ", result# " << result);
+
         if (!CheckResult(result, TStringBuf("PutObject (data)"))) {
-            return; 
-        } 
- 
-        Finish(); 
-    } 
- 
-    void Handle(TEvDataShard::TEvS3Upload::TPtr& ev) { 
-        auto& upload = ev->Get()->Upload; 
- 
-        EXPORT_LOG_D("Handle TEvDataShard::TEvS3Upload" 
-            << ": self# " << this->SelfId() 
-            << ", upload# " << upload); 
- 
-        if (!upload) { 
-            auto request = Model::CreateMultipartUploadRequest() 
-                .WithBucket(Settings.Bucket) 
-                .WithKey(Settings.DataKey) 
-                .WithStorageClass(Settings.StorageClass); 
-            this->Send(Client, new TEvS3Wrapper::TEvCreateMultipartUploadRequest(request)); 
-        } else { 
-            UploadId = upload->Id; 
- 
-            switch (upload->Status) { 
-                case TS3Upload::EStatus::UploadParts: 
-                    return UploadData(); 
- 
-                case TS3Upload::EStatus::Complete: { 
-                    Parts = std::move(upload->Parts); 
- 
-                    TVector<Model::CompletedPart> parts(Reserve(Parts.size())); 
-                    for (ui32 partIndex = 0; partIndex < Parts.size(); ++partIndex) { 
-                        parts.emplace_back(Model::CompletedPart() 
-                            .WithPartNumber(partIndex + 1) 
-                            .WithETag(Parts.at(partIndex))); 
-                    } 
- 
-                    auto request = Model::CompleteMultipartUploadRequest() 
-                        .WithBucket(Settings.Bucket) 
-                        .WithKey(Settings.DataKey) 
-                        .WithUploadId(*UploadId) 
-                        .WithMultipartUpload(Model::CompletedMultipartUpload().WithParts(std::move(parts))); 
-                    this->Send(Client, new TEvS3Wrapper::TEvCompleteMultipartUploadRequest(request)); 
-                    break; 
-                } 
- 
-                case TS3Upload::EStatus::Abort: { 
-                    Error = std::move(upload->Error); 
-                    if (!Error) { 
-                        Error = "<empty>"; 
-                    } 
- 
-                    auto request = Model::AbortMultipartUploadRequest() 
-                        .WithBucket(Settings.Bucket) 
-                        .WithKey(Settings.DataKey) 
-                        .WithUploadId(*UploadId); 
-                    this->Send(Client, new TEvS3Wrapper::TEvAbortMultipartUploadRequest(request)); 
-                    break; 
-                } 
-            } 
-        } 
-    } 
- 
-    void Handle(TEvS3Wrapper::TEvCreateMultipartUploadResponse::TPtr& ev) { 
-        const auto& result = ev->Get()->Result; 
- 
-        EXPORT_LOG_D("Handle TEvS3Wrapper::TEvCreateMultipartUploadResponse" 
-            << ": self# " << this->SelfId() 
-            << ", result# " << result); 
- 
+            return;
+        }
+
+        Finish();
+    }
+
+    void Handle(TEvDataShard::TEvS3Upload::TPtr& ev) {
+        auto& upload = ev->Get()->Upload;
+
+        EXPORT_LOG_D("Handle TEvDataShard::TEvS3Upload"
+            << ": self# " << this->SelfId()
+            << ", upload# " << upload);
+
+        if (!upload) {
+            auto request = Model::CreateMultipartUploadRequest()
+                .WithBucket(Settings.Bucket)
+                .WithKey(Settings.DataKey)
+                .WithStorageClass(Settings.StorageClass);
+            this->Send(Client, new TEvS3Wrapper::TEvCreateMultipartUploadRequest(request));
+        } else {
+            UploadId = upload->Id;
+
+            switch (upload->Status) {
+                case TS3Upload::EStatus::UploadParts:
+                    return UploadData();
+
+                case TS3Upload::EStatus::Complete: {
+                    Parts = std::move(upload->Parts);
+
+                    TVector<Model::CompletedPart> parts(Reserve(Parts.size()));
+                    for (ui32 partIndex = 0; partIndex < Parts.size(); ++partIndex) {
+                        parts.emplace_back(Model::CompletedPart()
+                            .WithPartNumber(partIndex + 1)
+                            .WithETag(Parts.at(partIndex)));
+                    }
+
+                    auto request = Model::CompleteMultipartUploadRequest()
+                        .WithBucket(Settings.Bucket)
+                        .WithKey(Settings.DataKey)
+                        .WithUploadId(*UploadId)
+                        .WithMultipartUpload(Model::CompletedMultipartUpload().WithParts(std::move(parts)));
+                    this->Send(Client, new TEvS3Wrapper::TEvCompleteMultipartUploadRequest(request));
+                    break;
+                }
+
+                case TS3Upload::EStatus::Abort: {
+                    Error = std::move(upload->Error);
+                    if (!Error) {
+                        Error = "<empty>";
+                    }
+
+                    auto request = Model::AbortMultipartUploadRequest()
+                        .WithBucket(Settings.Bucket)
+                        .WithKey(Settings.DataKey)
+                        .WithUploadId(*UploadId);
+                    this->Send(Client, new TEvS3Wrapper::TEvAbortMultipartUploadRequest(request));
+                    break;
+                }
+            }
+        }
+    }
+
+    void Handle(TEvS3Wrapper::TEvCreateMultipartUploadResponse::TPtr& ev) {
+        const auto& result = ev->Get()->Result;
+
+        EXPORT_LOG_D("Handle TEvS3Wrapper::TEvCreateMultipartUploadResponse"
+            << ": self# " << this->SelfId()
+            << ", result# " << result);
+
         if (!CheckResult(result, TStringBuf("CreateMultipartUpload"))) {
-            return; 
-        } 
- 
-        this->Send(DataShard, new TEvDataShard::TEvStoreS3UploadId(this->SelfId(), TxId, result.GetResult().GetUploadId().c_str())); 
-    } 
- 
-    void Handle(TEvS3Wrapper::TEvUploadPartResponse::TPtr& ev) { 
-        const auto& result = ev->Get()->Result; 
- 
-        EXPORT_LOG_D("Handle TEvS3Wrapper::TEvUploadPartResponse" 
-            << ": self# " << this->SelfId() 
-            << ", result# " << result); 
- 
+            return;
+        }
+
+        this->Send(DataShard, new TEvDataShard::TEvStoreS3UploadId(this->SelfId(), TxId, result.GetResult().GetUploadId().c_str()));
+    }
+
+    void Handle(TEvS3Wrapper::TEvUploadPartResponse::TPtr& ev) {
+        const auto& result = ev->Get()->Result;
+
+        EXPORT_LOG_D("Handle TEvS3Wrapper::TEvUploadPartResponse"
+            << ": self# " << this->SelfId()
+            << ", result# " << result);
+
         if (!CheckResult(result, TStringBuf("UploadPart"))) {
-            return; 
-        } 
- 
-        Parts.push_back(result.GetResult().GetETag().c_str()); 
- 
-        if (Last) { 
-            return Finish(); 
-        } 
- 
-        this->Send(Scanner, new TEvExportScan::TEvFeed()); 
-    } 
- 
-    void Handle(TEvS3Wrapper::TEvCompleteMultipartUploadResponse::TPtr& ev) { 
-        const auto& result = ev->Get()->Result; 
- 
-        EXPORT_LOG_D("Handle TEvS3Wrapper::TEvCompleteMultipartUploadResponse" 
-            << ": self# " << this->SelfId() 
-            << ", result# " << result); 
- 
-        if (!result.IsSuccess()) { 
-            const auto& error = result.GetError(); 
-            if (error.GetErrorType() != S3Errors::NO_SUCH_UPLOAD) { 
-                Error = error.GetMessage().c_str(); 
-            } 
-        } 
- 
-        PassAway(); 
-    } 
- 
-    void Handle(TEvS3Wrapper::TEvAbortMultipartUploadResponse::TPtr& ev) { 
-        const auto& result = ev->Get()->Result; 
- 
-        EXPORT_LOG_D("Handle TEvS3Wrapper::TEvAbortMultipartUploadResponse" 
-            << ": self# " << this->SelfId() 
-            << ", result# " << result); 
- 
-        if (!result.IsSuccess()) { 
-            Y_VERIFY(Error); 
-            Error = TStringBuilder() << *Error << " Additionally, 'AbortMultipartUpload' has failed: " 
-                << result.GetError().GetMessage(); 
-        } 
- 
-        PassAway(); 
-    } 
- 
-    template <typename TResult> 
-    bool CheckResult(const TResult& result, const TStringBuf marker) { 
-        if (result.IsSuccess()) { 
-            return true; 
-        } 
- 
-        EXPORT_LOG_E("Error at '" << marker << "'" 
-            << ": self# " << this->SelfId() 
-            << ", error# " << result); 
-        RetryOrFinish(result.GetError()); 
- 
-        return false; 
-    } 
- 
-    void RetryOrFinish(const S3Error& error) { 
-        if (Attempt++ < Retries && error.ShouldRetry()) { 
-            Delay = Min(Delay * Attempt, TDuration::Minutes(10)); 
-            const TDuration random = TDuration::FromValue(TAppData::RandomProvider->GenRand64() % Delay.MicroSeconds()); 
- 
-            this->Schedule(Delay + random, new TEvents::TEvWakeup()); 
-        } else { 
-            Finish(false, TStringBuilder() << "S3 error: " << error.GetMessage().c_str()); 
-        } 
-    } 
- 
-    void Finish(bool success = true, const TString& error = TString()) { 
-        EXPORT_LOG_I("Finish" 
-            << ": self# " << this->SelfId() 
-            << ", success# " << success 
-            << ", error# " << error 
-            << ", multipart# " << MultiPart 
-            << ", uploadId# " << UploadId); 
- 
-        if (!success) { 
-            Error = error; 
-        } 
- 
-        if (!MultiPart || !UploadId) { 
-            if (!Scanner) { 
-                return; 
-            } 
- 
-            PassAway(); 
-        } else { 
-            if (success) { 
-                this->Send(DataShard, new TEvDataShard::TEvChangeS3UploadStatus(this->SelfId(), TxId, 
-                    TS3Upload::EStatus::Complete, std::move(Parts))); 
-            } else { 
-                this->Send(DataShard, new TEvDataShard::TEvChangeS3UploadStatus(this->SelfId(), TxId, 
-                    TS3Upload::EStatus::Abort, *Error)); 
-            } 
-        } 
-    } 
- 
-    void PassAway() override { 
-        if (Scanner) { 
-            this->Send(Scanner, new TEvExportScan::TEvFinish(Error.Empty(), Error.GetOrElse(TString()))); 
-        } 
- 
-        this->Send(Client, new TEvents::TEvPoisonPill()); 
- 
-        IActor::PassAway(); 
-    } 
- 
-public: 
-    static constexpr NKikimrServices::TActivity::EType ActorActivityType() { 
-        return NKikimrServices::TActivity::EXPORT_S3_UPLOADER_ACTOR; 
-    } 
- 
-    static constexpr TStringBuf LogPrefix() { 
+            return;
+        }
+
+        Parts.push_back(result.GetResult().GetETag().c_str());
+
+        if (Last) {
+            return Finish();
+        }
+
+        this->Send(Scanner, new TEvExportScan::TEvFeed());
+    }
+
+    void Handle(TEvS3Wrapper::TEvCompleteMultipartUploadResponse::TPtr& ev) {
+        const auto& result = ev->Get()->Result;
+
+        EXPORT_LOG_D("Handle TEvS3Wrapper::TEvCompleteMultipartUploadResponse"
+            << ": self# " << this->SelfId()
+            << ", result# " << result);
+
+        if (!result.IsSuccess()) {
+            const auto& error = result.GetError();
+            if (error.GetErrorType() != S3Errors::NO_SUCH_UPLOAD) {
+                Error = error.GetMessage().c_str();
+            }
+        }
+
+        PassAway();
+    }
+
+    void Handle(TEvS3Wrapper::TEvAbortMultipartUploadResponse::TPtr& ev) {
+        const auto& result = ev->Get()->Result;
+
+        EXPORT_LOG_D("Handle TEvS3Wrapper::TEvAbortMultipartUploadResponse"
+            << ": self# " << this->SelfId()
+            << ", result# " << result);
+
+        if (!result.IsSuccess()) {
+            Y_VERIFY(Error);
+            Error = TStringBuilder() << *Error << " Additionally, 'AbortMultipartUpload' has failed: "
+                << result.GetError().GetMessage();
+        }
+
+        PassAway();
+    }
+
+    template <typename TResult>
+    bool CheckResult(const TResult& result, const TStringBuf marker) {
+        if (result.IsSuccess()) {
+            return true;
+        }
+
+        EXPORT_LOG_E("Error at '" << marker << "'"
+            << ": self# " << this->SelfId()
+            << ", error# " << result);
+        RetryOrFinish(result.GetError());
+
+        return false;
+    }
+
+    void RetryOrFinish(const S3Error& error) {
+        if (Attempt++ < Retries && error.ShouldRetry()) {
+            Delay = Min(Delay * Attempt, TDuration::Minutes(10));
+            const TDuration random = TDuration::FromValue(TAppData::RandomProvider->GenRand64() % Delay.MicroSeconds());
+
+            this->Schedule(Delay + random, new TEvents::TEvWakeup());
+        } else {
+            Finish(false, TStringBuilder() << "S3 error: " << error.GetMessage().c_str());
+        }
+    }
+
+    void Finish(bool success = true, const TString& error = TString()) {
+        EXPORT_LOG_I("Finish"
+            << ": self# " << this->SelfId()
+            << ", success# " << success
+            << ", error# " << error
+            << ", multipart# " << MultiPart
+            << ", uploadId# " << UploadId);
+
+        if (!success) {
+            Error = error;
+        }
+
+        if (!MultiPart || !UploadId) {
+            if (!Scanner) {
+                return;
+            }
+
+            PassAway();
+        } else {
+            if (success) {
+                this->Send(DataShard, new TEvDataShard::TEvChangeS3UploadStatus(this->SelfId(), TxId,
+                    TS3Upload::EStatus::Complete, std::move(Parts)));
+            } else {
+                this->Send(DataShard, new TEvDataShard::TEvChangeS3UploadStatus(this->SelfId(), TxId,
+                    TS3Upload::EStatus::Abort, *Error));
+            }
+        }
+    }
+
+    void PassAway() override {
+        if (Scanner) {
+            this->Send(Scanner, new TEvExportScan::TEvFinish(Error.Empty(), Error.GetOrElse(TString())));
+        }
+
+        this->Send(Client, new TEvents::TEvPoisonPill());
+
+        IActor::PassAway();
+    }
+
+public:
+    static constexpr NKikimrServices::TActivity::EType ActorActivityType() {
+        return NKikimrServices::TActivity::EXPORT_S3_UPLOADER_ACTOR;
+    }
+
+    static constexpr TStringBuf LogPrefix() {
         return "s3"sv;
-    } 
- 
-    explicit TS3UploaderBase( 
-            const TActorId& dataShard, ui64 txId, 
+    }
+
+    explicit TS3UploaderBase(
+            const TActorId& dataShard, ui64 txId,
             const NKikimrSchemeOp::TBackupTask& task,
-            TMaybe<Ydb::Table::CreateTableRequest>&& scheme) 
-        : Settings(TS3Settings::FromBackupTask(task)) 
-        , DataShard(dataShard) 
-        , TxId(txId) 
-        , Scheme(std::move(scheme)) 
-        , Retries(task.GetNumberOfRetries()) 
-        , Attempt(0) 
-        , Delay(TDuration::Minutes(1)) 
-        , SchemeUploaded(task.GetShardNum() == 0 ? false : true) 
-    { 
-    } 
- 
-    void Bootstrap() { 
-        EXPORT_LOG_D("Bootstrap" 
-            << ": self# " << this->SelfId() 
-            << ", attempt# " << Attempt); 
- 
-        ProxyResolved = !NeedToResolveProxy(); 
-        if (!ProxyResolved) { 
-            ResolveProxy(); 
-        } else { 
-            Restart(); 
-        } 
-    } 
- 
-    STATEFN(StateBase) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvExportScan::TEvReady, Handle); 
- 
-            sFunc(TEvents::TEvWakeup, Bootstrap); 
-            sFunc(TEvents::TEvPoisonPill, PassAway); 
-        } 
-    } 
- 
-    STATEFN(StateUploadScheme) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvS3Wrapper::TEvPutObjectResponse, HandleScheme); 
-        default: 
-            return StateBase(ev, TlsActivationContext->AsActorContext()); 
-        } 
-    } 
- 
-    STATEFN(StateUploadData) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvBuffer, Handle); 
-            hFunc(TEvDataShard::TEvS3Upload, Handle); 
- 
-            hFunc(TEvS3Wrapper::TEvPutObjectResponse, HandleData); 
-            hFunc(TEvS3Wrapper::TEvCreateMultipartUploadResponse, Handle); 
-            hFunc(TEvS3Wrapper::TEvUploadPartResponse, Handle); 
-            hFunc(TEvS3Wrapper::TEvCompleteMultipartUploadResponse, Handle); 
-            hFunc(TEvS3Wrapper::TEvAbortMultipartUploadResponse, Handle); 
-        default: 
-            return StateBase(ev, TlsActivationContext->AsActorContext()); 
-        } 
-    } 
- 
-protected: 
-    TS3Settings Settings; 
-    bool ProxyResolved; 
- 
-private: 
-    const TActorId DataShard; 
-    const ui64 TxId; 
-    const TMaybe<Ydb::Table::CreateTableRequest> Scheme; 
- 
-    const ui32 Retries; 
-    ui32 Attempt; 
- 
-    TActorId Client; 
-    TDuration Delay; 
-    bool SchemeUploaded; 
-    bool MultiPart; 
-    bool Last; 
- 
+            TMaybe<Ydb::Table::CreateTableRequest>&& scheme)
+        : Settings(TS3Settings::FromBackupTask(task))
+        , DataShard(dataShard)
+        , TxId(txId)
+        , Scheme(std::move(scheme))
+        , Retries(task.GetNumberOfRetries())
+        , Attempt(0)
+        , Delay(TDuration::Minutes(1))
+        , SchemeUploaded(task.GetShardNum() == 0 ? false : true)
+    {
+    }
+
+    void Bootstrap() {
+        EXPORT_LOG_D("Bootstrap"
+            << ": self# " << this->SelfId()
+            << ", attempt# " << Attempt);
+
+        ProxyResolved = !NeedToResolveProxy();
+        if (!ProxyResolved) {
+            ResolveProxy();
+        } else {
+            Restart();
+        }
+    }
+
+    STATEFN(StateBase) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvExportScan::TEvReady, Handle);
+
+            sFunc(TEvents::TEvWakeup, Bootstrap);
+            sFunc(TEvents::TEvPoisonPill, PassAway);
+        }
+    }
+
+    STATEFN(StateUploadScheme) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvS3Wrapper::TEvPutObjectResponse, HandleScheme);
+        default:
+            return StateBase(ev, TlsActivationContext->AsActorContext());
+        }
+    }
+
+    STATEFN(StateUploadData) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvBuffer, Handle);
+            hFunc(TEvDataShard::TEvS3Upload, Handle);
+
+            hFunc(TEvS3Wrapper::TEvPutObjectResponse, HandleData);
+            hFunc(TEvS3Wrapper::TEvCreateMultipartUploadResponse, Handle);
+            hFunc(TEvS3Wrapper::TEvUploadPartResponse, Handle);
+            hFunc(TEvS3Wrapper::TEvCompleteMultipartUploadResponse, Handle);
+            hFunc(TEvS3Wrapper::TEvAbortMultipartUploadResponse, Handle);
+        default:
+            return StateBase(ev, TlsActivationContext->AsActorContext());
+        }
+    }
+
+protected:
+    TS3Settings Settings;
+    bool ProxyResolved;
+
+private:
+    const TActorId DataShard;
+    const ui64 TxId;
+    const TMaybe<Ydb::Table::CreateTableRequest> Scheme;
+
+    const ui32 Retries;
+    ui32 Attempt;
+
+    TActorId Client;
+    TDuration Delay;
+    bool SchemeUploaded;
+    bool MultiPart;
+    bool Last;
+
     TActorId Scanner;
-    TString Buffer; 
- 
-    TMaybe<TString> UploadId; 
-    TVector<TString> Parts; 
-    TMaybe<TString> Error; 
- 
-}; // TS3UploaderBase 
- 
+    TString Buffer;
+
+    TMaybe<TString> UploadId;
+    TVector<TString> Parts;
+    TMaybe<TString> Error;
+
+}; // TS3UploaderBase
+
 } // NDataShard
-} // NKikimr 
- 
-#endif // KIKIMR_DISABLE_S3_OPS 
+} // NKikimr
+
+#endif // KIKIMR_DISABLE_S3_OPS
diff --git a/ydb/core/tx/datashard/export_s3_buffer.cpp b/ydb/core/tx/datashard/export_s3_buffer.cpp
index 1d8002f6e0..470ed22d6b 100644
--- a/ydb/core/tx/datashard/export_s3_buffer.cpp
+++ b/ydb/core/tx/datashard/export_s3_buffer.cpp
@@ -1,192 +1,192 @@
-#ifndef KIKIMR_DISABLE_S3_OPS 
- 
-#include "export_common.h" 
-#include "export_s3.h" 
-#include "export_s3_buffer.h" 
- 
+#ifndef KIKIMR_DISABLE_S3_OPS
+
+#include "export_common.h"
+#include "export_s3.h"
+#include "export_s3_buffer.h"
+
 #include <ydb/core/tablet_flat/flat_row_state.h>
 #include <ydb/library/binary_json/read.h>
 #include <ydb/public/lib/scheme_types/scheme_type_id.h>
 #include <library/cpp/string_utils/quote/quote.h>
- 
-#include <util/datetime/base.h> 
- 
-namespace NKikimr { 
+
+#include <util/datetime/base.h>
+
+namespace NKikimr {
 namespace NDataShard {
- 
-using namespace NExportScan; 
-using TTableColumns = TS3Export::TTableColumns; 
- 
-class TS3Buffer: public IBuffer { 
-    using TTagToColumn = TTableColumns; 
-    using TTagToIndex = THashMap<ui32, ui32>; // index in IScan::TRow 
- 
-public: 
-    explicit TS3Buffer(const TTagToColumn& columns, ui64 rowsLimit, ui64 bytesLimit) 
-        : Columns(columns) 
-        , RowsLimit(rowsLimit) 
-        , BytesLimit(bytesLimit) 
-        , Rows(0) 
-        , BytesRead(0) 
-    { 
-    } 
- 
-    void ColumnsOrder(const TVector<ui32>& tags) override { 
-        Y_VERIFY(tags.size() == Columns.size()); 
- 
-        Indices.clear(); 
-        for (ui32 i = 0; i < tags.size(); ++i) { 
-            const ui32 tag = tags.at(i); 
-            auto it = Columns.find(tag); 
-            Y_VERIFY(it != Columns.end()); 
-            Y_VERIFY(Indices.emplace(tag, i).second); 
-        } 
-    } 
- 
-    void Collect(const NTable::IScan::TRow& row) override { 
-        TStringOutput stream(Buffer); 
- 
-        bool needsComma = false; 
-        for (const auto& [tag, column] : Columns) { 
-            auto it = Indices.find(tag); 
-            Y_VERIFY(it != Indices.end()); 
-            Y_VERIFY(it->second < (*row).size()); 
-            const auto& cell = (*row)[it->second]; 
- 
-            BytesRead += cell.Size(); 
- 
-            if (needsComma) { 
-                stream << ","; 
-            } else { 
-                needsComma = true; 
-            } 
- 
-            if (cell.IsNull()) { 
-                stream << "null"; 
-                continue; 
-            } 
- 
-            switch (column.Type) { 
-            case NScheme::NTypeIds::Int32: 
-                stream << cell.AsValue<i32>(); 
-                break; 
-            case NScheme::NTypeIds::Uint32: 
-                stream << cell.AsValue<ui32>(); 
-                break; 
-            case NScheme::NTypeIds::Int64: 
-                stream << cell.AsValue<i64>(); 
-                break; 
-            case NScheme::NTypeIds::Uint64: 
-                stream << cell.AsValue<ui64>(); 
-                break; 
-            case NScheme::NTypeIds::Uint8: 
-            //case NScheme::NTypeIds::Byte: 
-                stream << static_cast<ui32>(cell.AsValue<ui8>()); 
-                break; 
-            case NScheme::NTypeIds::Int8: 
-                stream << static_cast<i32>(cell.AsValue<i8>()); 
-                break; 
-            case NScheme::NTypeIds::Int16: 
-                stream << cell.AsValue<i16>(); 
-                break; 
-            case NScheme::NTypeIds::Uint16: 
-                stream << cell.AsValue<ui16>(); 
-                break; 
-            case NScheme::NTypeIds::Bool: 
-                stream << cell.AsValue<bool>(); 
-                break; 
-            case NScheme::NTypeIds::Double: 
-                stream << cell.AsValue<double>(); 
-                break; 
-            case NScheme::NTypeIds::Float: 
-                stream << cell.AsValue<float>(); 
-                break; 
-            case NScheme::NTypeIds::Date: 
-                stream << TInstant::Days(cell.AsValue<ui16>()); 
-                break; 
-            case NScheme::NTypeIds::Datetime: 
-                stream << TInstant::Seconds(cell.AsValue<ui32>()); 
-                break; 
-            case NScheme::NTypeIds::Timestamp: 
-                stream << TInstant::MicroSeconds(cell.AsValue<ui64>()); 
-                break; 
-            case NScheme::NTypeIds::Interval: 
-                stream << cell.AsValue<i64>(); 
-                break; 
-            case NScheme::NTypeIds::Decimal: 
-                stream << DecimalToString(cell.AsValue<std::pair<ui64, i64>>()); 
-                break; 
-            case NScheme::NTypeIds::DyNumber: 
-                stream << DyNumberToString(cell.AsBuf()); 
-                break; 
-            case NScheme::NTypeIds::String: 
-            case NScheme::NTypeIds::String4k: 
-            case NScheme::NTypeIds::String2m: 
-            case NScheme::NTypeIds::Utf8: 
-            case NScheme::NTypeIds::Json: 
-            case NScheme::NTypeIds::Yson: 
-                stream << '"' << CGIEscapeRet(cell.AsBuf()) << '"'; 
-                break; 
-            case NScheme::NTypeIds::JsonDocument: 
-                stream << '"' << CGIEscapeRet(NBinaryJson::SerializeToJson(cell.AsBuf())) << '"'; 
-                break; 
-            default: 
-                Y_FAIL("Unsupported type"); 
-            }; 
-        } 
- 
-        stream << "\n"; 
-        ++Rows; 
-    } 
- 
-    IEventBase* PrepareEvent(bool last) override { 
-        return new TEvExportScan::TEvBuffer<TString>(Flush(), last); 
-    } 
- 
-    void Clear() override { 
-        Flush(); 
-    } 
- 
-    TString Flush() { 
-        Rows = 0; 
-        BytesRead = 0; 
-        return std::exchange(Buffer, TString()); 
-    } 
- 
-    bool IsFilled() const override { 
-        return GetRows() >= RowsLimit || GetBytesSent() >= BytesLimit; 
-    } 
- 
-    ui64 GetRows() const override { 
-        return Rows; 
-    } 
- 
-    ui64 GetBytesRead() const override { 
-        return BytesRead; 
-    } 
- 
-    ui64 GetBytesSent() const override { 
-        return Buffer.size(); 
-    } 
- 
-private: 
-    const TTagToColumn Columns; 
-    const ui64 RowsLimit; 
-    const ui64 BytesLimit; 
- 
-    TTagToIndex Indices; 
- 
-    ui64 Rows; 
-    ui64 BytesRead; 
-    TString Buffer; 
- 
-}; // TS3Buffer 
- 
-IBuffer* CreateS3ExportBuffer(const TTableColumns& columns, ui64 rowsLimit, ui64 bytesLimit) { 
-    return new TS3Buffer(columns, rowsLimit, bytesLimit); 
-} 
- 
+
+using namespace NExportScan;
+using TTableColumns = TS3Export::TTableColumns;
+
+class TS3Buffer: public IBuffer {
+    using TTagToColumn = TTableColumns;
+    using TTagToIndex = THashMap<ui32, ui32>; // index in IScan::TRow
+
+public:
+    explicit TS3Buffer(const TTagToColumn& columns, ui64 rowsLimit, ui64 bytesLimit)
+        : Columns(columns)
+        , RowsLimit(rowsLimit)
+        , BytesLimit(bytesLimit)
+        , Rows(0)
+        , BytesRead(0)
+    {
+    }
+
+    void ColumnsOrder(const TVector<ui32>& tags) override {
+        Y_VERIFY(tags.size() == Columns.size());
+
+        Indices.clear();
+        for (ui32 i = 0; i < tags.size(); ++i) {
+            const ui32 tag = tags.at(i);
+            auto it = Columns.find(tag);
+            Y_VERIFY(it != Columns.end());
+            Y_VERIFY(Indices.emplace(tag, i).second);
+        }
+    }
+
+    void Collect(const NTable::IScan::TRow& row) override {
+        TStringOutput stream(Buffer);
+
+        bool needsComma = false;
+        for (const auto& [tag, column] : Columns) {
+            auto it = Indices.find(tag);
+            Y_VERIFY(it != Indices.end());
+            Y_VERIFY(it->second < (*row).size());
+            const auto& cell = (*row)[it->second];
+
+            BytesRead += cell.Size();
+
+            if (needsComma) {
+                stream << ",";
+            } else {
+                needsComma = true;
+            }
+
+            if (cell.IsNull()) {
+                stream << "null";
+                continue;
+            }
+
+            switch (column.Type) {
+            case NScheme::NTypeIds::Int32:
+                stream << cell.AsValue<i32>();
+                break;
+            case NScheme::NTypeIds::Uint32:
+                stream << cell.AsValue<ui32>();
+                break;
+            case NScheme::NTypeIds::Int64:
+                stream << cell.AsValue<i64>();
+                break;
+            case NScheme::NTypeIds::Uint64:
+                stream << cell.AsValue<ui64>();
+                break;
+            case NScheme::NTypeIds::Uint8:
+            //case NScheme::NTypeIds::Byte:
+                stream << static_cast<ui32>(cell.AsValue<ui8>());
+                break;
+            case NScheme::NTypeIds::Int8:
+                stream << static_cast<i32>(cell.AsValue<i8>());
+                break;
+            case NScheme::NTypeIds::Int16:
+                stream << cell.AsValue<i16>();
+                break;
+            case NScheme::NTypeIds::Uint16:
+                stream << cell.AsValue<ui16>();
+                break;
+            case NScheme::NTypeIds::Bool:
+                stream << cell.AsValue<bool>();
+                break;
+            case NScheme::NTypeIds::Double:
+                stream << cell.AsValue<double>();
+                break;
+            case NScheme::NTypeIds::Float:
+                stream << cell.AsValue<float>();
+                break;
+            case NScheme::NTypeIds::Date:
+                stream << TInstant::Days(cell.AsValue<ui16>());
+                break;
+            case NScheme::NTypeIds::Datetime:
+                stream << TInstant::Seconds(cell.AsValue<ui32>());
+                break;
+            case NScheme::NTypeIds::Timestamp:
+                stream << TInstant::MicroSeconds(cell.AsValue<ui64>());
+                break;
+            case NScheme::NTypeIds::Interval:
+                stream << cell.AsValue<i64>();
+                break;
+            case NScheme::NTypeIds::Decimal:
+                stream << DecimalToString(cell.AsValue<std::pair<ui64, i64>>());
+                break;
+            case NScheme::NTypeIds::DyNumber:
+                stream << DyNumberToString(cell.AsBuf());
+                break;
+            case NScheme::NTypeIds::String:
+            case NScheme::NTypeIds::String4k:
+            case NScheme::NTypeIds::String2m:
+            case NScheme::NTypeIds::Utf8:
+            case NScheme::NTypeIds::Json:
+            case NScheme::NTypeIds::Yson:
+                stream << '"' << CGIEscapeRet(cell.AsBuf()) << '"';
+                break;
+            case NScheme::NTypeIds::JsonDocument:
+                stream << '"' << CGIEscapeRet(NBinaryJson::SerializeToJson(cell.AsBuf())) << '"';
+                break;
+            default:
+                Y_FAIL("Unsupported type");
+            };
+        }
+
+        stream << "\n";
+        ++Rows;
+    }
+
+    IEventBase* PrepareEvent(bool last) override {
+        return new TEvExportScan::TEvBuffer<TString>(Flush(), last);
+    }
+
+    void Clear() override {
+        Flush();
+    }
+
+    TString Flush() {
+        Rows = 0;
+        BytesRead = 0;
+        return std::exchange(Buffer, TString());
+    }
+
+    bool IsFilled() const override {
+        return GetRows() >= RowsLimit || GetBytesSent() >= BytesLimit;
+    }
+
+    ui64 GetRows() const override {
+        return Rows;
+    }
+
+    ui64 GetBytesRead() const override {
+        return BytesRead;
+    }
+
+    ui64 GetBytesSent() const override {
+        return Buffer.size();
+    }
+
+private:
+    const TTagToColumn Columns;
+    const ui64 RowsLimit;
+    const ui64 BytesLimit;
+
+    TTagToIndex Indices;
+
+    ui64 Rows;
+    ui64 BytesRead;
+    TString Buffer;
+
+}; // TS3Buffer
+
+IBuffer* CreateS3ExportBuffer(const TTableColumns& columns, ui64 rowsLimit, ui64 bytesLimit) {
+    return new TS3Buffer(columns, rowsLimit, bytesLimit);
+}
+
 } // NDataShard
-} // NKikimr 
- 
-#endif // KIKIMR_DISABLE_S3_OPS 
+} // NKikimr
+
+#endif // KIKIMR_DISABLE_S3_OPS
diff --git a/ydb/core/tx/datashard/export_s3_buffer.h b/ydb/core/tx/datashard/export_s3_buffer.h
index f146d3e41b..f616126dbe 100644
--- a/ydb/core/tx/datashard/export_s3_buffer.h
+++ b/ydb/core/tx/datashard/export_s3_buffer.h
@@ -1,16 +1,16 @@
-#pragma once 
- 
-#ifndef KIKIMR_DISABLE_S3_OPS 
- 
-#include "export_iface.h" 
-#include "export_scan.h" 
- 
-namespace NKikimr { 
-namespace NDataShard { 
- 
-NExportScan::IBuffer* CreateS3ExportBuffer(const IExport::TTableColumns& columns, ui64 rowsLimit, ui64 bytesLimit); 
- 
-} // NDataShard 
-} // NKikimr 
- 
-#endif // KIKIMR_DISABLE_S3_OPS 
+#pragma once
+
+#ifndef KIKIMR_DISABLE_S3_OPS
+
+#include "export_iface.h"
+#include "export_scan.h"
+
+namespace NKikimr {
+namespace NDataShard {
+
+NExportScan::IBuffer* CreateS3ExportBuffer(const IExport::TTableColumns& columns, ui64 rowsLimit, ui64 bytesLimit);
+
+} // NDataShard
+} // NKikimr
+
+#endif // KIKIMR_DISABLE_S3_OPS
diff --git a/ydb/core/tx/datashard/export_s3_uploader.cpp b/ydb/core/tx/datashard/export_s3_uploader.cpp
index 3b9d48963d..db48213401 100644
--- a/ydb/core/tx/datashard/export_s3_uploader.cpp
+++ b/ydb/core/tx/datashard/export_s3_uploader.cpp
@@ -1,39 +1,39 @@
-#ifndef KIKIMR_DISABLE_S3_OPS 
- 
-#include "export_s3_base_uploader.h" 
- 
-namespace NKikimr { 
+#ifndef KIKIMR_DISABLE_S3_OPS
+
+#include "export_s3_base_uploader.h"
+
+namespace NKikimr {
 namespace NDataShard {
- 
-class TS3Uploader: public TS3UploaderBase<TS3Uploader> { 
-protected: 
-    bool NeedToResolveProxy() const override { 
-        return false; 
-    } 
- 
-    void ResolveProxy() override { 
-        Y_FAIL("unreachable"); 
-    } 
- 
-public: 
-    using TS3UploaderBase::TS3UploaderBase; 
- 
-}; // TS3Uploader 
- 
+
+class TS3Uploader: public TS3UploaderBase<TS3Uploader> {
+protected:
+    bool NeedToResolveProxy() const override {
+        return false;
+    }
+
+    void ResolveProxy() override {
+        Y_FAIL("unreachable");
+    }
+
+public:
+    using TS3UploaderBase::TS3UploaderBase;
+
+}; // TS3Uploader
+
 IActor* TS3Export::CreateUploader(
         const TActorId& dataShard,
         ui64 txId,
-        const TTableColumns& columns, 
-        const TTask& task) const 
-{ 
-    auto scheme = (task.GetShardNum() == 0) 
-        ? GenYdbScheme(columns, task.GetTable()) 
-        : Nothing(); 
- 
-    return new TS3Uploader(dataShard, txId, task, std::move(scheme)); 
-} 
- 
+        const TTableColumns& columns,
+        const TTask& task) const
+{
+    auto scheme = (task.GetShardNum() == 0)
+        ? GenYdbScheme(columns, task.GetTable())
+        : Nothing();
+
+    return new TS3Uploader(dataShard, txId, task, std::move(scheme));
+}
+
 } // NDataShard
-} // NKikimr 
- 
-#endif // KIKIMR_DISABLE_S3_OPS 
+} // NKikimr
+
+#endif // KIKIMR_DISABLE_S3_OPS
diff --git a/ydb/core/tx/datashard/export_scan.cpp b/ydb/core/tx/datashard/export_scan.cpp
index 3106736229..2cda75fdd0 100644
--- a/ydb/core/tx/datashard/export_scan.cpp
+++ b/ydb/core/tx/datashard/export_scan.cpp
@@ -1,253 +1,253 @@
-#include "export_common.h" 
-#include "export_scan.h" 
- 
+#include "export_common.h"
+#include "export_scan.h"
+
 #include <ydb/core/base/appdata.h>
 #include <ydb/core/base/counters.h>
 #include <ydb/core/tablet_flat/flat_row_state.h>
 #include <ydb/core/tablet_flat/flat_scan_spent.h>
 #include <library/cpp/actors/core/hfunc.h>
- 
-#include <util/generic/bitmap.h> 
-#include <util/string/builder.h> 
- 
-namespace NKikimr { 
+
+#include <util/generic/bitmap.h>
+#include <util/string/builder.h>
+
+namespace NKikimr {
 namespace NDataShard {
- 
-using namespace NActors; 
-using namespace NExportScan; 
-using namespace NTable; 
- 
-class TExportScan: private NActors::IActor, public NTable::IScan { 
-    enum EStateBits { 
-        ES_REGISTERED = 0, // Actor is registered 
-        ES_INITIALIZED, // Seek(...) was called 
-        ES_UPLOADER_READY, 
-        ES_BUFFER_SENT, 
-        ES_NO_MORE_DATA, 
- 
-        ES_COUNT, 
-    }; 
- 
-    struct TStats { 
-        ui64 Rows; 
-        ui64 BytesRead; 
-        ui64 BytesSent; 
- 
-        TStats() 
-            : Rows(0) 
-            , BytesRead(0) 
-            , BytesSent(0) 
-        { 
-            auto counters = GetServiceCounters(AppData()->Counters, "tablets")->GetSubgroup("subsystem", "store_to_yt"); 
- 
-            MonRows = counters->GetCounter("Rows", true); 
-            MonBytesRead = counters->GetCounter("BytesRead", true); 
-            MonBytesSent = counters->GetCounter("BytesSent", true); 
-        } 
- 
-        void Aggr(ui64 rows, ui64 bytesRead, ui64 bytesSent) { 
-            Rows += rows; 
-            BytesRead += bytesRead; 
-            BytesSent += bytesSent; 
- 
-            *MonRows += rows; 
-            *MonBytesRead += bytesRead; 
-            *MonBytesSent += bytesSent; 
-        } 
- 
-        void Aggr(IBuffer const* buffer) { 
-            Aggr(buffer->GetRows(), buffer->GetBytesRead(), buffer->GetBytesSent()); 
-        } 
- 
-        TString ToString() const { 
-            return TStringBuilder() 
-                << "Stats { " 
-                    << " Rows: " << Rows 
-                    << " BytesRead: " << BytesRead 
-                    << " BytesSent: " << BytesSent 
-                << " }"; 
-        } 
- 
-    private: 
-        NMonitoring::TDynamicCounters::TCounterPtr MonRows; 
-        NMonitoring::TDynamicCounters::TCounterPtr MonBytesRead; 
-        NMonitoring::TDynamicCounters::TCounterPtr MonBytesSent; 
-    }; 
- 
-    bool IsReady() const { 
-        return State.Test(ES_REGISTERED) && State.Test(ES_INITIALIZED); 
-    } 
- 
-    void MaybeReady() { 
-        if (IsReady()) { 
-            Send(Uploader, new TEvExportScan::TEvReady()); 
-        } 
-    } 
- 
-    EScan MaybeSendBuffer() { 
-        const bool noMoreData = State.Test(ES_NO_MORE_DATA); 
- 
-        if (!noMoreData && !Buffer->IsFilled()) { 
-            return EScan::Feed; 
-        } 
- 
-        if (!State.Test(ES_UPLOADER_READY) || State.Test(ES_BUFFER_SENT)) { 
-            Spent->Alter(false); 
-            return EScan::Sleep; 
-        } 
- 
-        State.Set(ES_BUFFER_SENT); 
-        Stats->Aggr(Buffer.Get()); 
-        Send(Uploader, Buffer->PrepareEvent(noMoreData)); 
- 
-        if (noMoreData) { 
-            Spent->Alter(false); 
-            return EScan::Sleep; 
-        } 
- 
-        return EScan::Feed; 
-    } 
- 
-    void Handle(TEvExportScan::TEvReset::TPtr&) { 
-        Y_VERIFY(IsReady()); 
- 
-        EXPORT_LOG_D("Handle TEvExportScan::TEvReset" 
-            << ": self# " << SelfId()); 
- 
-        Stats.Reset(new TStats); 
-        State.Reset(ES_UPLOADER_READY).Reset(ES_BUFFER_SENT).Reset(ES_NO_MORE_DATA); 
-        Spent->Alter(true); 
-        Driver->Touch(EScan::Reset); 
-    } 
- 
-    void Handle(TEvExportScan::TEvFeed::TPtr&) { 
-        Y_VERIFY(IsReady()); 
- 
-        EXPORT_LOG_D("Handle TEvExportScan::TEvFeed" 
-            << ": self# " << SelfId()); 
- 
-        State.Set(ES_UPLOADER_READY).Reset(ES_BUFFER_SENT); 
-        Spent->Alter(true); 
-        if (EScan::Feed == MaybeSendBuffer()) { 
-            Driver->Touch(EScan::Feed); 
-        } 
-    } 
- 
-    void Handle(TEvExportScan::TEvFinish::TPtr& ev) { 
-        Y_VERIFY(IsReady()); 
- 
-        EXPORT_LOG_D("Handle TEvExportScan::TEvFinish" 
-            << ": self# " << SelfId() 
-            << ", msg# " << ev->Get()->ToString()); 
- 
-        Success = ev->Get()->Success; 
-        Error = ev->Get()->Error; 
-        Driver->Touch(EScan::Final); 
-    } 
- 
-public: 
-    static constexpr TStringBuf LogPrefix() { 
+
+using namespace NActors;
+using namespace NExportScan;
+using namespace NTable;
+
+class TExportScan: private NActors::IActor, public NTable::IScan {
+    enum EStateBits {
+        ES_REGISTERED = 0, // Actor is registered
+        ES_INITIALIZED, // Seek(...) was called
+        ES_UPLOADER_READY,
+        ES_BUFFER_SENT,
+        ES_NO_MORE_DATA,
+
+        ES_COUNT,
+    };
+
+    struct TStats {
+        ui64 Rows;
+        ui64 BytesRead;
+        ui64 BytesSent;
+
+        TStats()
+            : Rows(0)
+            , BytesRead(0)
+            , BytesSent(0)
+        {
+            auto counters = GetServiceCounters(AppData()->Counters, "tablets")->GetSubgroup("subsystem", "store_to_yt");
+
+            MonRows = counters->GetCounter("Rows", true);
+            MonBytesRead = counters->GetCounter("BytesRead", true);
+            MonBytesSent = counters->GetCounter("BytesSent", true);
+        }
+
+        void Aggr(ui64 rows, ui64 bytesRead, ui64 bytesSent) {
+            Rows += rows;
+            BytesRead += bytesRead;
+            BytesSent += bytesSent;
+
+            *MonRows += rows;
+            *MonBytesRead += bytesRead;
+            *MonBytesSent += bytesSent;
+        }
+
+        void Aggr(IBuffer const* buffer) {
+            Aggr(buffer->GetRows(), buffer->GetBytesRead(), buffer->GetBytesSent());
+        }
+
+        TString ToString() const {
+            return TStringBuilder()
+                << "Stats { "
+                    << " Rows: " << Rows
+                    << " BytesRead: " << BytesRead
+                    << " BytesSent: " << BytesSent
+                << " }";
+        }
+
+    private:
+        NMonitoring::TDynamicCounters::TCounterPtr MonRows;
+        NMonitoring::TDynamicCounters::TCounterPtr MonBytesRead;
+        NMonitoring::TDynamicCounters::TCounterPtr MonBytesSent;
+    };
+
+    bool IsReady() const {
+        return State.Test(ES_REGISTERED) && State.Test(ES_INITIALIZED);
+    }
+
+    void MaybeReady() {
+        if (IsReady()) {
+            Send(Uploader, new TEvExportScan::TEvReady());
+        }
+    }
+
+    EScan MaybeSendBuffer() {
+        const bool noMoreData = State.Test(ES_NO_MORE_DATA);
+
+        if (!noMoreData && !Buffer->IsFilled()) {
+            return EScan::Feed;
+        }
+
+        if (!State.Test(ES_UPLOADER_READY) || State.Test(ES_BUFFER_SENT)) {
+            Spent->Alter(false);
+            return EScan::Sleep;
+        }
+
+        State.Set(ES_BUFFER_SENT);
+        Stats->Aggr(Buffer.Get());
+        Send(Uploader, Buffer->PrepareEvent(noMoreData));
+
+        if (noMoreData) {
+            Spent->Alter(false);
+            return EScan::Sleep;
+        }
+
+        return EScan::Feed;
+    }
+
+    void Handle(TEvExportScan::TEvReset::TPtr&) {
+        Y_VERIFY(IsReady());
+
+        EXPORT_LOG_D("Handle TEvExportScan::TEvReset"
+            << ": self# " << SelfId());
+
+        Stats.Reset(new TStats);
+        State.Reset(ES_UPLOADER_READY).Reset(ES_BUFFER_SENT).Reset(ES_NO_MORE_DATA);
+        Spent->Alter(true);
+        Driver->Touch(EScan::Reset);
+    }
+
+    void Handle(TEvExportScan::TEvFeed::TPtr&) {
+        Y_VERIFY(IsReady());
+
+        EXPORT_LOG_D("Handle TEvExportScan::TEvFeed"
+            << ": self# " << SelfId());
+
+        State.Set(ES_UPLOADER_READY).Reset(ES_BUFFER_SENT);
+        Spent->Alter(true);
+        if (EScan::Feed == MaybeSendBuffer()) {
+            Driver->Touch(EScan::Feed);
+        }
+    }
+
+    void Handle(TEvExportScan::TEvFinish::TPtr& ev) {
+        Y_VERIFY(IsReady());
+
+        EXPORT_LOG_D("Handle TEvExportScan::TEvFinish"
+            << ": self# " << SelfId()
+            << ", msg# " << ev->Get()->ToString());
+
+        Success = ev->Get()->Success;
+        Error = ev->Get()->Error;
+        Driver->Touch(EScan::Final);
+    }
+
+public:
+    static constexpr TStringBuf LogPrefix() {
         return "scanner"sv;
-    } 
- 
-    explicit TExportScan(std::function<IActor*()>&& createUploaderFn, IBuffer::TPtr buffer) 
-        : IActor(static_cast<TReceiveFunc>(&TExportScan::StateWork), NKikimrServices::TActivity::EXPORT_SCAN_ACTOR) 
-        , CreateUploaderFn(std::move(createUploaderFn)) 
-        , Buffer(std::move(buffer)) 
-        , Stats(new TStats) 
-        , Driver(nullptr) 
-        , Success(false) 
-    { 
-    } 
- 
-    void Describe(IOutputStream& o) const noexcept override { 
-        o << "ExportScan { " 
-              << "Uploader: " << Uploader 
-              << Stats->ToString() << " " 
-              << "Success: " << Success 
-              << "Error: " << Error 
-          << " }"; 
-    } 
- 
+    }
+
+    explicit TExportScan(std::function<IActor*()>&& createUploaderFn, IBuffer::TPtr buffer)
+        : IActor(static_cast<TReceiveFunc>(&TExportScan::StateWork), NKikimrServices::TActivity::EXPORT_SCAN_ACTOR)
+        , CreateUploaderFn(std::move(createUploaderFn))
+        , Buffer(std::move(buffer))
+        , Stats(new TStats)
+        , Driver(nullptr)
+        , Success(false)
+    {
+    }
+
+    void Describe(IOutputStream& o) const noexcept override {
+        o << "ExportScan { "
+              << "Uploader: " << Uploader
+              << Stats->ToString() << " "
+              << "Success: " << Success
+              << "Error: " << Error
+          << " }";
+    }
+
     IScan::THello Prepare(IDriver* driver, TIntrusiveConstPtr<TScheme> scheme) noexcept override {
         TlsActivationContext->AsActorContext().RegisterWithSameMailbox(this);
- 
-        Driver = driver; 
-        Scheme = std::move(scheme); 
-        Spent = new TSpent(TAppData::TimeProvider.Get()); 
-        Buffer->ColumnsOrder(Scheme->Tags()); 
- 
-        return {EScan::Feed, {}}; 
-    } 
- 
-    void Registered(TActorSystem* sys, const TActorId&) override { 
-        Uploader = sys->Register(CreateUploaderFn(), TMailboxType::HTSwap, AppData()->BatchPoolId); 
- 
-        State.Set(ES_REGISTERED); 
-        MaybeReady(); 
-    } 
- 
-    EScan Seek(TLead& lead, ui64) noexcept override { 
-        lead.To(Scheme->Tags(), {}, ESeek::Lower); 
-        Buffer->Clear(); 
- 
-        State.Set(ES_INITIALIZED); 
-        MaybeReady(); 
- 
-        Spent->Alter(true); 
-        return EScan::Feed; 
-    } 
- 
-    EScan Feed(TArrayRef<const TCell>, const TRow& row) noexcept override { 
-        Buffer->Collect(row); 
-        return MaybeSendBuffer(); 
-    } 
- 
-    EScan Exhausted() noexcept override { 
-        State.Set(ES_NO_MORE_DATA); 
-        return MaybeSendBuffer(); 
-    } 
- 
+
+        Driver = driver;
+        Scheme = std::move(scheme);
+        Spent = new TSpent(TAppData::TimeProvider.Get());
+        Buffer->ColumnsOrder(Scheme->Tags());
+
+        return {EScan::Feed, {}};
+    }
+
+    void Registered(TActorSystem* sys, const TActorId&) override {
+        Uploader = sys->Register(CreateUploaderFn(), TMailboxType::HTSwap, AppData()->BatchPoolId);
+
+        State.Set(ES_REGISTERED);
+        MaybeReady();
+    }
+
+    EScan Seek(TLead& lead, ui64) noexcept override {
+        lead.To(Scheme->Tags(), {}, ESeek::Lower);
+        Buffer->Clear();
+
+        State.Set(ES_INITIALIZED);
+        MaybeReady();
+
+        Spent->Alter(true);
+        return EScan::Feed;
+    }
+
+    EScan Feed(TArrayRef<const TCell>, const TRow& row) noexcept override {
+        Buffer->Collect(row);
+        return MaybeSendBuffer();
+    }
+
+    EScan Exhausted() noexcept override {
+        State.Set(ES_NO_MORE_DATA);
+        return MaybeSendBuffer();
+    }
+
     TAutoPtr<IDestructable> Finish(EAbort abort) noexcept override {
-        const bool success = (abort == EAbort::None) && Success; 
- 
-        if (abort != EAbort::None) { 
-            Error = "Aborted by scan host env"; 
-            Send(Uploader, new TEvents::TEvPoisonPill()); 
-        } 
- 
-        PassAway(); 
-        return new TExportScanProduct(success, Error, Stats->BytesRead, Stats->Rows); 
-    } 
- 
-    STATEFN(StateWork) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvExportScan::TEvReset, Handle); 
-            hFunc(TEvExportScan::TEvFeed, Handle); 
-            hFunc(TEvExportScan::TEvFinish, Handle); 
-        } 
-    } 
- 
-private: 
-    std::function<IActor*()> CreateUploaderFn; 
-    IBuffer::TPtr Buffer; 
- 
-    TActorId Uploader; 
-    THolder<TStats> Stats; 
- 
-    IDriver* Driver; 
+        const bool success = (abort == EAbort::None) && Success;
+
+        if (abort != EAbort::None) {
+            Error = "Aborted by scan host env";
+            Send(Uploader, new TEvents::TEvPoisonPill());
+        }
+
+        PassAway();
+        return new TExportScanProduct(success, Error, Stats->BytesRead, Stats->Rows);
+    }
+
+    STATEFN(StateWork) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvExportScan::TEvReset, Handle);
+            hFunc(TEvExportScan::TEvFeed, Handle);
+            hFunc(TEvExportScan::TEvFinish, Handle);
+        }
+    }
+
+private:
+    std::function<IActor*()> CreateUploaderFn;
+    IBuffer::TPtr Buffer;
+
+    TActorId Uploader;
+    THolder<TStats> Stats;
+
+    IDriver* Driver;
     TIntrusiveConstPtr<TScheme> Scheme;
     TAutoPtr<TSpent> Spent;
- 
-    TBitMap<EStateBits::ES_COUNT> State; 
-    bool Success; 
-    TString Error; 
- 
-}; // TExportScan 
- 
-NTable::IScan* CreateExportScan(IBuffer::TPtr buffer, std::function<IActor*()>&& createUploaderFn) { 
-    return new TExportScan(std::move(createUploaderFn), std::move(buffer)); 
-} 
- 
+
+    TBitMap<EStateBits::ES_COUNT> State;
+    bool Success;
+    TString Error;
+
+}; // TExportScan
+
+NTable::IScan* CreateExportScan(IBuffer::TPtr buffer, std::function<IActor*()>&& createUploaderFn) {
+    return new TExportScan(std::move(createUploaderFn), std::move(buffer));
+}
+
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/export_scan.h b/ydb/core/tx/datashard/export_scan.h
index adc79d3a8d..d077576a60 100644
--- a/ydb/core/tx/datashard/export_scan.h
+++ b/ydb/core/tx/datashard/export_scan.h
@@ -1,113 +1,113 @@
-#pragma once 
- 
-#include "defs.h" 
- 
+#pragma once
+
+#include "defs.h"
+
 #include <ydb/core/tablet_flat/flat_scan_iface.h>
- 
-#include <util/generic/ptr.h> 
-#include <util/generic/string.h> 
-#include <util/generic/vector.h> 
- 
-namespace NKikimr { 
+
+#include <util/generic/ptr.h>
+#include <util/generic/string.h>
+#include <util/generic/vector.h>
+
+namespace NKikimr {
 namespace NDataShard {
- 
-struct TEvExportScan { 
-    enum EEv { 
-        EvReset = EventSpaceBegin(TKikimrEvents::ES_PRIVATE), 
-        EvReady, 
-        EvFeed, 
-        EvBuffer, 
-        EvFinish, 
- 
-        EvEnd, 
-    }; 
- 
-    static_assert(EvEnd < EventSpaceEnd(TKikimrEvents::ES_PRIVATE), "expect EvEnd < EventSpaceEnd(TKikimrEvents::ES_PRIVATE)"); 
- 
-    struct TEvReset: public TEventLocal<TEvReset, EvReset> {}; 
-    struct TEvReady: public TEventLocal<TEvReady, EvReady> {}; 
-    struct TEvFeed: public TEventLocal<TEvFeed, EvFeed> {}; 
- 
-    template <typename TBuffer> 
-    struct TEvBuffer: public TEventLocal<TEvBuffer<TBuffer>, EvBuffer> { 
-        TBuffer Buffer; 
-        bool Last; 
- 
-        TEvBuffer() = default; 
- 
-        explicit TEvBuffer(TBuffer buffer, bool last) 
-            : Buffer(std::move(buffer)) 
-            , Last(last) 
-        { 
-        } 
- 
-        TString ToString() const override { 
-            return TStringBuilder() << this->ToStringHeader() << " {" 
-                << " Last: " << Last 
-            << " }"; 
-        } 
-    }; 
- 
-    struct TEvFinish: public TEventLocal<TEvFinish, EvFinish> { 
-        bool Success; 
-        TString Error; 
- 
-        TEvFinish() = default; 
- 
-        explicit TEvFinish(bool success, const TString& error = TString()) 
-            : Success(success) 
-            , Error(error) 
-        { 
-        } 
- 
-        TString ToString() const override { 
-            return TStringBuilder() << ToStringHeader() << " {" 
-                << " Success: " << Success 
-                << " Error: " << Error 
-            << " }"; 
-        } 
-    }; 
- 
-}; // TEvExportScan 
- 
+
+struct TEvExportScan {
+    enum EEv {
+        EvReset = EventSpaceBegin(TKikimrEvents::ES_PRIVATE),
+        EvReady,
+        EvFeed,
+        EvBuffer,
+        EvFinish,
+
+        EvEnd,
+    };
+
+    static_assert(EvEnd < EventSpaceEnd(TKikimrEvents::ES_PRIVATE), "expect EvEnd < EventSpaceEnd(TKikimrEvents::ES_PRIVATE)");
+
+    struct TEvReset: public TEventLocal<TEvReset, EvReset> {};
+    struct TEvReady: public TEventLocal<TEvReady, EvReady> {};
+    struct TEvFeed: public TEventLocal<TEvFeed, EvFeed> {};
+
+    template <typename TBuffer>
+    struct TEvBuffer: public TEventLocal<TEvBuffer<TBuffer>, EvBuffer> {
+        TBuffer Buffer;
+        bool Last;
+
+        TEvBuffer() = default;
+
+        explicit TEvBuffer(TBuffer buffer, bool last)
+            : Buffer(std::move(buffer))
+            , Last(last)
+        {
+        }
+
+        TString ToString() const override {
+            return TStringBuilder() << this->ToStringHeader() << " {"
+                << " Last: " << Last
+            << " }";
+        }
+    };
+
+    struct TEvFinish: public TEventLocal<TEvFinish, EvFinish> {
+        bool Success;
+        TString Error;
+
+        TEvFinish() = default;
+
+        explicit TEvFinish(bool success, const TString& error = TString())
+            : Success(success)
+            , Error(error)
+        {
+        }
+
+        TString ToString() const override {
+            return TStringBuilder() << ToStringHeader() << " {"
+                << " Success: " << Success
+                << " Error: " << Error
+            << " }";
+        }
+    };
+
+}; // TEvExportScan
+
 struct TExportScanProduct: public IDestructable {
-    bool Success; 
-    TString Error; 
-    ui64 BytesRead; 
-    ui64 RowsRead; 
- 
-    explicit TExportScanProduct(bool success, TString error, ui64 bytes, ui64 rows) 
-        : Success(success) 
-        , Error(std::move(error)) 
-        , BytesRead(bytes) 
-        , RowsRead(rows) 
-    { 
-    } 
- 
-}; // TExportScanProduct 
- 
-namespace NExportScan { 
- 
-class IBuffer { 
-public: 
-    using TPtr = THolder<IBuffer>; 
- 
-public: 
-    virtual ~IBuffer() = default; 
- 
-    virtual void ColumnsOrder(const TVector<ui32>& tags) = 0; 
-    virtual void Collect(const NTable::IScan::TRow& row) = 0; 
-    virtual IEventBase* PrepareEvent(bool last) = 0; 
-    virtual void Clear() = 0; 
-    virtual bool IsFilled() const = 0; 
-    virtual ui64 GetRows() const = 0; 
-    virtual ui64 GetBytesRead() const = 0; 
-    virtual ui64 GetBytesSent() const = 0; 
-}; 
- 
-} // NExportScan 
- 
-NTable::IScan* CreateExportScan(NExportScan::IBuffer::TPtr buffer, std::function<NActors::IActor*()>&& createUploaderFn); 
- 
+    bool Success;
+    TString Error;
+    ui64 BytesRead;
+    ui64 RowsRead;
+
+    explicit TExportScanProduct(bool success, TString error, ui64 bytes, ui64 rows)
+        : Success(success)
+        , Error(std::move(error))
+        , BytesRead(bytes)
+        , RowsRead(rows)
+    {
+    }
+
+}; // TExportScanProduct
+
+namespace NExportScan {
+
+class IBuffer {
+public:
+    using TPtr = THolder<IBuffer>;
+
+public:
+    virtual ~IBuffer() = default;
+
+    virtual void ColumnsOrder(const TVector<ui32>& tags) = 0;
+    virtual void Collect(const NTable::IScan::TRow& row) = 0;
+    virtual IEventBase* PrepareEvent(bool last) = 0;
+    virtual void Clear() = 0;
+    virtual bool IsFilled() const = 0;
+    virtual ui64 GetRows() const = 0;
+    virtual ui64 GetBytesRead() const = 0;
+    virtual ui64 GetBytesSent() const = 0;
+};
+
+} // NExportScan
+
+NTable::IScan* CreateExportScan(NExportScan::IBuffer::TPtr buffer, std::function<NActors::IActor*()>&& createUploaderFn);
+
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/finish_propose_unit.cpp b/ydb/core/tx/datashard/finish_propose_unit.cpp
index 59ce24e69c..de0e9e4ad2 100644
--- a/ydb/core/tx/datashard/finish_propose_unit.cpp
+++ b/ydb/core/tx/datashard/finish_propose_unit.cpp
@@ -115,8 +115,8 @@ void TFinishProposeUnit::Complete(TOperation::TPtr op,
     if (op->IsImmediate()) {
         Pipeline.RemoveCommittingOp(op);
         Pipeline.RemoveActiveOp(op);
- 
-        DataShard.EnqueueChangeRecords(std::move(op->ChangeRecords())); 
+
+        DataShard.EnqueueChangeRecords(std::move(op->ChangeRecords()));
     }
 
     DataShard.SendRegistrationRequestTimeCast(ctx);
diff --git a/ydb/core/tx/datashard/import_common.h b/ydb/core/tx/datashard/import_common.h
index ddec66eb48..a7cb38b18e 100644
--- a/ydb/core/tx/datashard/import_common.h
+++ b/ydb/core/tx/datashard/import_common.h
@@ -1,133 +1,133 @@
-#pragma once 
- 
-#include "defs.h" 
-#include "datashard_user_table.h" 
- 
+#pragma once
+
+#include "defs.h"
+#include "datashard_user_table.h"
+
 #include <ydb/core/scheme/scheme_tabledefs.h>
 #include <ydb/core/tablet_flat/util_basics.h>
 #include <ydb/public/lib/scheme_types/scheme_type_id.h>
- 
-#include <util/generic/algorithm.h> 
-#include <util/generic/hash.h> 
-#include <util/generic/string.h> 
-#include <util/generic/vector.h> 
- 
-#if defined IMPORT_LOG_T || \ 
-    defined IMPORT_LOG_D || \ 
-    defined IMPORT_LOG_I || \ 
-    defined IMPORT_LOG_N || \ 
-    defined IMPORT_LOG_W || \ 
-    defined IMPORT_LOG_E || \ 
-    defined IMPORT_LOG_C 
-#error log macro redefinition 
-#endif 
- 
-#define IMPORT_LOG_T(stream) LOG_TRACE_S(*TlsActivationContext, NKikimrServices::DATASHARD_RESTORE, "[Import] [" << LogPrefix() << "] " << stream) 
-#define IMPORT_LOG_D(stream) LOG_DEBUG_S(*TlsActivationContext, NKikimrServices::DATASHARD_RESTORE, "[Import] [" << LogPrefix() << "] " << stream) 
-#define IMPORT_LOG_I(stream) LOG_INFO_S(*TlsActivationContext, NKikimrServices::DATASHARD_RESTORE, "[Import] [" << LogPrefix() << "] " << stream) 
-#define IMPORT_LOG_N(stream) LOG_NOTICE_S(*TlsActivationContext, NKikimrServices::DATASHARD_RESTORE, "[Import] [" << LogPrefix() << "] " << stream) 
-#define IMPORT_LOG_W(stream) LOG_WARN_S(*TlsActivationContext, NKikimrServices::DATASHARD_RESTORE, "[Import] [" << LogPrefix() << "] " << stream) 
-#define IMPORT_LOG_E(stream) LOG_ERROR_S(*TlsActivationContext, NKikimrServices::DATASHARD_RESTORE, "[Import] [" << LogPrefix() << "] " << stream) 
-#define IMPORT_LOG_C(stream) LOG_CRIT_S(*TlsActivationContext, NKikimrServices::DATASHARD_RESTORE, "[Import] [" << LogPrefix() << "] " << stream) 
- 
-namespace NKikimr { 
+
+#include <util/generic/algorithm.h>
+#include <util/generic/hash.h>
+#include <util/generic/string.h>
+#include <util/generic/vector.h>
+
+#if defined IMPORT_LOG_T || \
+    defined IMPORT_LOG_D || \
+    defined IMPORT_LOG_I || \
+    defined IMPORT_LOG_N || \
+    defined IMPORT_LOG_W || \
+    defined IMPORT_LOG_E || \
+    defined IMPORT_LOG_C
+#error log macro redefinition
+#endif
+
+#define IMPORT_LOG_T(stream) LOG_TRACE_S(*TlsActivationContext, NKikimrServices::DATASHARD_RESTORE, "[Import] [" << LogPrefix() << "] " << stream)
+#define IMPORT_LOG_D(stream) LOG_DEBUG_S(*TlsActivationContext, NKikimrServices::DATASHARD_RESTORE, "[Import] [" << LogPrefix() << "] " << stream)
+#define IMPORT_LOG_I(stream) LOG_INFO_S(*TlsActivationContext, NKikimrServices::DATASHARD_RESTORE, "[Import] [" << LogPrefix() << "] " << stream)
+#define IMPORT_LOG_N(stream) LOG_NOTICE_S(*TlsActivationContext, NKikimrServices::DATASHARD_RESTORE, "[Import] [" << LogPrefix() << "] " << stream)
+#define IMPORT_LOG_W(stream) LOG_WARN_S(*TlsActivationContext, NKikimrServices::DATASHARD_RESTORE, "[Import] [" << LogPrefix() << "] " << stream)
+#define IMPORT_LOG_E(stream) LOG_ERROR_S(*TlsActivationContext, NKikimrServices::DATASHARD_RESTORE, "[Import] [" << LogPrefix() << "] " << stream)
+#define IMPORT_LOG_C(stream) LOG_CRIT_S(*TlsActivationContext, NKikimrServices::DATASHARD_RESTORE, "[Import] [" << LogPrefix() << "] " << stream)
+
+namespace NKikimr {
 namespace NDataShard {
- 
+
 struct TImportJobProduct: public IDestructable {
-    bool Success; 
-    TString Error; 
-    ui64 BytesWritten; 
-    ui64 RowsWritten; 
- 
-    explicit TImportJobProduct(bool success, TString error, ui64 bytes, ui64 rows) 
-        : Success(success) 
-        , Error(std::move(error)) 
-        , BytesWritten(bytes) 
-        , RowsWritten(rows) 
-    { 
-    } 
- 
-}; // TImportJobProduct 
- 
-class TTableInfo { 
-    using TColumnIdIndex = TMap<ui32, TUserTable::TUserColumn>; 
-    using TColumnNameIndex = THashMap<TString, TColumnIdIndex::const_iterator>; 
- 
-    static TColumnNameIndex MakeColumnNameIndex(TUserTable::TCPtr info) { 
-        TColumnNameIndex result; 
- 
-        auto it = info->Columns.begin(); 
-        while (it != info->Columns.end()) { 
-            Y_VERIFY(result.emplace(it->second.Name, it).second); 
-            it++; 
-        } 
- 
-        return result; 
-    } 
- 
-public: 
-    explicit TTableInfo(ui64 id, TUserTable::TCPtr info) 
-        : Id(id) 
-        , Info(info) 
-        , ColumnNameIndex(MakeColumnNameIndex(info)) 
-    { 
-    } 
- 
-    ui64 GetId() const { 
-        return Id; 
-    } 
- 
-    bool HasColumn(const TString& name) const { 
-        return ColumnNameIndex.contains(name); 
-    } 
- 
-    NScheme::TTypeId GetColumnType(const TString& name) const { 
-        auto it = ColumnNameIndex.find(name); 
-        Y_VERIFY(it != ColumnNameIndex.end()); 
-        return it->second->second.Type; 
-    } 
- 
-    const TVector<ui32>& GetKeyColumnIds() const { 
-        return Info->KeyColumnIds; 
-    } 
- 
-    TVector<ui32> GetValueColumnIds(const TVector<TString>& order) const { 
-        TVector<ui32> result; 
-        for (const auto& name : order) { 
-            auto it = ColumnNameIndex.find(name); 
-            Y_VERIFY(it != ColumnNameIndex.end()); 
- 
-            if (it->second->second.IsKey) { 
-                continue; 
-            } 
- 
-            result.push_back(it->second->first); 
-        } 
- 
-        return result; 
-    } 
- 
-    ui32 KeyOrder(const TString& name) const { 
-        auto it = ColumnNameIndex.find(name); 
-        Y_VERIFY(it != ColumnNameIndex.end()); 
- 
-        if (!it->second->second.IsKey) { 
-            return Max<ui32>(); 
-        } 
- 
-        return FindIndex(Info->KeyColumnIds, it->second->first); 
-    } 
- 
-    bool IsMyKey(const TVector<TCell>& key) const { 
-        return ComparePointAndRange(key, Info->GetTableRange(), Info->KeyColumnTypes, Info->KeyColumnTypes) == 0; 
-    } 
- 
-private: 
-    const ui64 Id; 
-    TUserTable::TCPtr Info; 
-    const TColumnNameIndex ColumnNameIndex; 
- 
-}; // TTableInfo 
- 
+    bool Success;
+    TString Error;
+    ui64 BytesWritten;
+    ui64 RowsWritten;
+
+    explicit TImportJobProduct(bool success, TString error, ui64 bytes, ui64 rows)
+        : Success(success)
+        , Error(std::move(error))
+        , BytesWritten(bytes)
+        , RowsWritten(rows)
+    {
+    }
+
+}; // TImportJobProduct
+
+class TTableInfo {
+    using TColumnIdIndex = TMap<ui32, TUserTable::TUserColumn>;
+    using TColumnNameIndex = THashMap<TString, TColumnIdIndex::const_iterator>;
+
+    static TColumnNameIndex MakeColumnNameIndex(TUserTable::TCPtr info) {
+        TColumnNameIndex result;
+
+        auto it = info->Columns.begin();
+        while (it != info->Columns.end()) {
+            Y_VERIFY(result.emplace(it->second.Name, it).second);
+            it++;
+        }
+
+        return result;
+    }
+
+public:
+    explicit TTableInfo(ui64 id, TUserTable::TCPtr info)
+        : Id(id)
+        , Info(info)
+        , ColumnNameIndex(MakeColumnNameIndex(info))
+    {
+    }
+
+    ui64 GetId() const {
+        return Id;
+    }
+
+    bool HasColumn(const TString& name) const {
+        return ColumnNameIndex.contains(name);
+    }
+
+    NScheme::TTypeId GetColumnType(const TString& name) const {
+        auto it = ColumnNameIndex.find(name);
+        Y_VERIFY(it != ColumnNameIndex.end());
+        return it->second->second.Type;
+    }
+
+    const TVector<ui32>& GetKeyColumnIds() const {
+        return Info->KeyColumnIds;
+    }
+
+    TVector<ui32> GetValueColumnIds(const TVector<TString>& order) const {
+        TVector<ui32> result;
+        for (const auto& name : order) {
+            auto it = ColumnNameIndex.find(name);
+            Y_VERIFY(it != ColumnNameIndex.end());
+
+            if (it->second->second.IsKey) {
+                continue;
+            }
+
+            result.push_back(it->second->first);
+        }
+
+        return result;
+    }
+
+    ui32 KeyOrder(const TString& name) const {
+        auto it = ColumnNameIndex.find(name);
+        Y_VERIFY(it != ColumnNameIndex.end());
+
+        if (!it->second->second.IsKey) {
+            return Max<ui32>();
+        }
+
+        return FindIndex(Info->KeyColumnIds, it->second->first);
+    }
+
+    bool IsMyKey(const TVector<TCell>& key) const {
+        return ComparePointAndRange(key, Info->GetTableRange(), Info->KeyColumnTypes, Info->KeyColumnTypes) == 0;
+    }
+
+private:
+    const ui64 Id;
+    TUserTable::TCPtr Info;
+    const TColumnNameIndex ColumnNameIndex;
+
+}; // TTableInfo
+
 } // NDataShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/datashard/import_s3.cpp b/ydb/core/tx/datashard/import_s3.cpp
index ac8d0d7909..9ea7fbab5c 100644
--- a/ydb/core/tx/datashard/import_s3.cpp
+++ b/ydb/core/tx/datashard/import_s3.cpp
@@ -1,10 +1,10 @@
-#ifndef KIKIMR_DISABLE_S3_OPS 
- 
-#include "datashard_impl.h" 
-#include "import_common.h" 
-#include "import_s3.h" 
-#include "s3_common.h" 
- 
+#ifndef KIKIMR_DISABLE_S3_OPS
+
+#include "datashard_impl.h"
+#include "import_common.h"
+#include "import_s3.h"
+#include "s3_common.h"
+
 #include <ydb/core/base/appdata.h>
 #include <ydb/core/protos/flat_scheme_op.pb.h>
 #include <ydb/core/protos/services.pb.h>
@@ -12,537 +12,537 @@
 #include <ydb/core/wrappers/s3_wrapper.h>
 #include <ydb/core/io_formats/csv.h>
 #include <ydb/public/lib/scheme_types/scheme_type_id.h>
- 
-#include <library/cpp/actors/core/actor_bootstrapped.h> 
-#include <library/cpp/actors/core/hfunc.h> 
-#include <library/cpp/actors/core/log.h> 
- 
-#include <util/generic/ptr.h> 
-#include <util/generic/string.h> 
-#include <util/generic/vector.h> 
-#include <util/memory/pool.h> 
-#include <util/string/builder.h> 
- 
-namespace NKikimr { 
+
+#include <library/cpp/actors/core/actor_bootstrapped.h>
+#include <library/cpp/actors/core/hfunc.h>
+#include <library/cpp/actors/core/log.h>
+
+#include <util/generic/ptr.h>
+#include <util/generic/string.h>
+#include <util/generic/vector.h>
+#include <util/memory/pool.h>
+#include <util/string/builder.h>
+
+namespace NKikimr {
 namespace NDataShard {
- 
-using namespace NResourceBroker; 
-using namespace NWrappers; 
- 
-using namespace Aws::S3; 
-using namespace Aws; 
- 
+
+using namespace NResourceBroker;
+using namespace NWrappers;
+
+using namespace Aws::S3;
+using namespace Aws;
+
 class TS3Downloader: public TActorBootstrapped<TS3Downloader>, private TS3User {
-    class TReadController { 
-        static constexpr ui64 SumWithSaturation(ui64 a, ui64 b) { 
-            return Max<ui64>() - a < b ? Max<ui64>() : a + b; 
-        } 
- 
-    public: 
-        explicit TReadController(ui32 rangeSize) 
-            : RangeSize(rangeSize) 
-        { 
-        } 
- 
-        std::pair<ui64, ui64> NextRange(ui64 contentLength, ui64 processedBytes) const { 
-            Y_VERIFY(contentLength > 0); 
-            Y_VERIFY(processedBytes < contentLength); 
- 
-            const ui64 start = processedBytes + (Buffer.size() - Pos); 
-            const ui64 end = Min(SumWithSaturation(start, RangeSize), contentLength) - 1; 
-            return std::make_pair(start, end); 
-        } 
- 
-        bool Feed(TString&& portion, TStringBuf& buf) { 
-            if (Buffer && Pos) { 
-                Buffer.remove(0, Pos); 
-            } 
- 
-            if (!Buffer) { 
-                Buffer = std::move(portion); 
-            } else { 
-                Buffer.append(portion); 
-            } 
- 
-            Pos = Buffer.rfind('\n'); 
-            if (TString::npos == Pos) { 
-                return false; 
-            } 
- 
-            Pos += 1; // for '\n' 
-            buf = TStringBuf(Buffer.data(), Pos); 
- 
-            return true; 
-        } 
- 
-    private: 
-        const ui32 RangeSize; 
- 
-        TString Buffer; 
-        ui64 Pos = 0; 
- 
-    }; // TReadController 
- 
-    class TUploadRowsRequestBuilder { 
-    public: 
+    class TReadController {
+        static constexpr ui64 SumWithSaturation(ui64 a, ui64 b) {
+            return Max<ui64>() - a < b ? Max<ui64>() : a + b;
+        }
+
+    public:
+        explicit TReadController(ui32 rangeSize)
+            : RangeSize(rangeSize)
+        {
+        }
+
+        std::pair<ui64, ui64> NextRange(ui64 contentLength, ui64 processedBytes) const {
+            Y_VERIFY(contentLength > 0);
+            Y_VERIFY(processedBytes < contentLength);
+
+            const ui64 start = processedBytes + (Buffer.size() - Pos);
+            const ui64 end = Min(SumWithSaturation(start, RangeSize), contentLength) - 1;
+            return std::make_pair(start, end);
+        }
+
+        bool Feed(TString&& portion, TStringBuf& buf) {
+            if (Buffer && Pos) {
+                Buffer.remove(0, Pos);
+            }
+
+            if (!Buffer) {
+                Buffer = std::move(portion);
+            } else {
+                Buffer.append(portion);
+            }
+
+            Pos = Buffer.rfind('\n');
+            if (TString::npos == Pos) {
+                return false;
+            }
+
+            Pos += 1; // for '\n'
+            buf = TStringBuf(Buffer.data(), Pos);
+
+            return true;
+        }
+
+    private:
+        const ui32 RangeSize;
+
+        TString Buffer;
+        ui64 Pos = 0;
+
+    }; // TReadController
+
+    class TUploadRowsRequestBuilder {
+    public:
         void New(const TTableInfo& tableInfo, const NKikimrSchemeOp::TTableDescription& scheme) {
-            Request.Reset(new TEvDataShard::TEvUnsafeUploadRowsRequest()); 
-            Request->Record.SetTableId(tableInfo.GetId()); 
- 
-            TVector<TString> columnNames; 
-            for (const auto& column : scheme.GetColumns()) { 
-                columnNames.push_back(column.GetName()); 
-            } 
- 
-            auto& rowScheme = *Request->Record.MutableRowScheme(); 
-            for (ui32 id : tableInfo.GetKeyColumnIds()) { 
-                rowScheme.AddKeyColumnIds(id); 
-            } 
-            for (ui32 id : tableInfo.GetValueColumnIds(columnNames)) { 
-                rowScheme.AddValueColumnIds(id); 
-            } 
-        } 
- 
-        void AddRow(const TVector<TCell>& keys, const TVector<TCell>& values) { 
-            Y_VERIFY(Request); 
-            auto& row = *Request->Record.AddRows(); 
-            row.SetKeyColumns(TSerializedCellVec::Serialize(keys)); 
-            row.SetValueColumns(TSerializedCellVec::Serialize(values)); 
-        } 
- 
-        const NKikimrTxDataShard::TEvUploadRowsRequest& GetRecord() const { 
-            Y_VERIFY(Request); 
-            return Request->Record; 
-        } 
- 
-        THolder<TEvDataShard::TEvUnsafeUploadRowsRequest> Build() { 
-            Y_VERIFY(Request); 
-            return std::move(Request); 
-        } 
- 
-    private: 
-        THolder<TEvDataShard::TEvUnsafeUploadRowsRequest> Request; 
- 
-    }; // TUploadRowsRequestBuilder 
- 
-    void AllocateResource() { 
-        IMPORT_LOG_D("AllocateResource" 
-            << ": self# " << SelfId()); 
- 
-        const auto* appData = AppData(); 
-        Send(MakeResourceBrokerID(), new TEvResourceBroker::TEvSubmitTask( 
-            TStringBuilder() << "Restore { " << TxId << ":" << DataShard << " }", 
-            {{ 1, 0 }}, 
-            appData->DataShardConfig.GetRestoreTaskName(), 
-            appData->DataShardConfig.GetRestoreTaskPriority(), 
-            nullptr 
-        )); 
- 
-        Become(&TThis::StateAllocateResource); 
-    } 
- 
-    void Handle(TEvResourceBroker::TEvResourceAllocated::TPtr& ev) { 
-        IMPORT_LOG_D("Handle TEvResourceBroker::TEvResourceAllocated" 
-            << ": self# " << SelfId() 
-            << ", taskId# " << ev->Get()->TaskId); 
- 
-        TaskId = ev->Get()->TaskId; 
-        Restart(); 
-    } 
- 
-    void Restart() { 
-        IMPORT_LOG_D("Restart" 
-            << ": self# " << SelfId() 
-            << ", attempt# " << Attempt); 
- 
-        if (const TActorId client = std::exchange(Client, TActorId())) { 
-            Send(client, new TEvents::TEvPoisonPill()); 
-        } 
- 
-        Client = RegisterWithSameMailbox(CreateS3Wrapper(Settings.Credentials, Settings.Config)); 
- 
-        HeadObject(Settings.DataKey); 
-        Become(&TThis::StateWork); 
-    } 
- 
-    void HeadObject(const TString& key) { 
-        IMPORT_LOG_D("HeadObject" 
-            << ": self# " << SelfId() 
-            << ", key# " << key); 
- 
-        auto request = Model::HeadObjectRequest() 
-            .WithBucket(Settings.Bucket) 
-            .WithKey(key); 
- 
-        Send(Client, new TEvS3Wrapper::TEvHeadObjectRequest(request)); 
-    } 
- 
-    void GetObject(const TString& key, const std::pair<ui64, ui64>& range) { 
-        IMPORT_LOG_D("GetObject" 
-            << ": self# " << SelfId() 
-            << ", key# " << key 
-            << ", range# " << range.first << "-" << range.second); 
- 
-        auto request = Model::GetObjectRequest() 
-            .WithBucket(Settings.Bucket) 
-            .WithKey(key) 
-            .WithRange(TStringBuilder() << "bytes=" << range.first << "-" << range.second); 
- 
-        Send(Client, new TEvS3Wrapper::TEvGetObjectRequest(request)); 
-    } 
- 
-    void Handle(TEvS3Wrapper::TEvHeadObjectResponse::TPtr& ev) { 
-        const auto& result = ev->Get()->Result; 
- 
-        IMPORT_LOG_D("Handle TEvS3Wrapper::TEvHeadObjectResponse" 
-            << ": self# " << SelfId() 
-            << ", result# " << result); 
- 
+            Request.Reset(new TEvDataShard::TEvUnsafeUploadRowsRequest());
+            Request->Record.SetTableId(tableInfo.GetId());
+
+            TVector<TString> columnNames;
+            for (const auto& column : scheme.GetColumns()) {
+                columnNames.push_back(column.GetName());
+            }
+
+            auto& rowScheme = *Request->Record.MutableRowScheme();
+            for (ui32 id : tableInfo.GetKeyColumnIds()) {
+                rowScheme.AddKeyColumnIds(id);
+            }
+            for (ui32 id : tableInfo.GetValueColumnIds(columnNames)) {
+                rowScheme.AddValueColumnIds(id);
+            }
+        }
+
+        void AddRow(const TVector<TCell>& keys, const TVector<TCell>& values) {
+            Y_VERIFY(Request);
+            auto& row = *Request->Record.AddRows();
+            row.SetKeyColumns(TSerializedCellVec::Serialize(keys));
+            row.SetValueColumns(TSerializedCellVec::Serialize(values));
+        }
+
+        const NKikimrTxDataShard::TEvUploadRowsRequest& GetRecord() const {
+            Y_VERIFY(Request);
+            return Request->Record;
+        }
+
+        THolder<TEvDataShard::TEvUnsafeUploadRowsRequest> Build() {
+            Y_VERIFY(Request);
+            return std::move(Request);
+        }
+
+    private:
+        THolder<TEvDataShard::TEvUnsafeUploadRowsRequest> Request;
+
+    }; // TUploadRowsRequestBuilder
+
+    void AllocateResource() {
+        IMPORT_LOG_D("AllocateResource"
+            << ": self# " << SelfId());
+
+        const auto* appData = AppData();
+        Send(MakeResourceBrokerID(), new TEvResourceBroker::TEvSubmitTask(
+            TStringBuilder() << "Restore { " << TxId << ":" << DataShard << " }",
+            {{ 1, 0 }},
+            appData->DataShardConfig.GetRestoreTaskName(),
+            appData->DataShardConfig.GetRestoreTaskPriority(),
+            nullptr
+        ));
+
+        Become(&TThis::StateAllocateResource);
+    }
+
+    void Handle(TEvResourceBroker::TEvResourceAllocated::TPtr& ev) {
+        IMPORT_LOG_D("Handle TEvResourceBroker::TEvResourceAllocated"
+            << ": self# " << SelfId()
+            << ", taskId# " << ev->Get()->TaskId);
+
+        TaskId = ev->Get()->TaskId;
+        Restart();
+    }
+
+    void Restart() {
+        IMPORT_LOG_D("Restart"
+            << ": self# " << SelfId()
+            << ", attempt# " << Attempt);
+
+        if (const TActorId client = std::exchange(Client, TActorId())) {
+            Send(client, new TEvents::TEvPoisonPill());
+        }
+
+        Client = RegisterWithSameMailbox(CreateS3Wrapper(Settings.Credentials, Settings.Config));
+
+        HeadObject(Settings.DataKey);
+        Become(&TThis::StateWork);
+    }
+
+    void HeadObject(const TString& key) {
+        IMPORT_LOG_D("HeadObject"
+            << ": self# " << SelfId()
+            << ", key# " << key);
+
+        auto request = Model::HeadObjectRequest()
+            .WithBucket(Settings.Bucket)
+            .WithKey(key);
+
+        Send(Client, new TEvS3Wrapper::TEvHeadObjectRequest(request));
+    }
+
+    void GetObject(const TString& key, const std::pair<ui64, ui64>& range) {
+        IMPORT_LOG_D("GetObject"
+            << ": self# " << SelfId()
+            << ", key# " << key
+            << ", range# " << range.first << "-" << range.second);
+
+        auto request = Model::GetObjectRequest()
+            .WithBucket(Settings.Bucket)
+            .WithKey(key)
+            .WithRange(TStringBuilder() << "bytes=" << range.first << "-" << range.second);
+
+        Send(Client, new TEvS3Wrapper::TEvGetObjectRequest(request));
+    }
+
+    void Handle(TEvS3Wrapper::TEvHeadObjectResponse::TPtr& ev) {
+        const auto& result = ev->Get()->Result;
+
+        IMPORT_LOG_D("Handle TEvS3Wrapper::TEvHeadObjectResponse"
+            << ": self# " << SelfId()
+            << ", result# " << result);
+
         if (!CheckResult(result, TStringBuf("HeadObject"))) {
-            return; 
-        } 
- 
-        ETag = result.GetResult().GetETag(); 
-        ContentLength = result.GetResult().GetContentLength(); 
- 
-        Send(DataShard, new TEvDataShard::TEvGetS3DownloadInfo(SelfId(), TxId)); 
-    } 
- 
-    void Handle(TEvDataShard::TEvS3DownloadInfo::TPtr& ev) { 
-        const auto& info = ev->Get()->Info; 
- 
-        IMPORT_LOG_D("Handle TEvDataShard::TEvS3DownloadInfo" 
-            << ": self# " << SelfId() 
-            << ", info# " << info.ToString()); 
- 
-        if (!info.DataETag) { 
-            Send(DataShard, new TEvDataShard::TEvStoreS3DownloadInfo(SelfId(), 
-                TxId, ETag, ProcessedBytes, WrittenBytes, WrittenRows)); 
-            return; 
-        } 
- 
+            return;
+        }
+
+        ETag = result.GetResult().GetETag();
+        ContentLength = result.GetResult().GetContentLength();
+
+        Send(DataShard, new TEvDataShard::TEvGetS3DownloadInfo(SelfId(), TxId));
+    }
+
+    void Handle(TEvDataShard::TEvS3DownloadInfo::TPtr& ev) {
+        const auto& info = ev->Get()->Info;
+
+        IMPORT_LOG_D("Handle TEvDataShard::TEvS3DownloadInfo"
+            << ": self# " << SelfId()
+            << ", info# " << info.ToString());
+
+        if (!info.DataETag) {
+            Send(DataShard, new TEvDataShard::TEvStoreS3DownloadInfo(SelfId(),
+                TxId, ETag, ProcessedBytes, WrittenBytes, WrittenRows));
+            return;
+        }
+
         if (!CheckETag(*info.DataETag, ETag, TStringBuf("DownloadInfo"))) {
-            return; 
-        } 
- 
-        ProcessedBytes = info.ProcessedBytes; 
-        WrittenBytes = info.WrittenBytes; 
-        WrittenRows = info.WrittenRows; 
- 
-        if (!ContentLength || ProcessedBytes >= ContentLength) { 
-            return Finish(); 
-        } 
- 
-        GetObject(Settings.DataKey, Reader.NextRange(ContentLength, ProcessedBytes)); 
-    } 
- 
-    void Handle(TEvS3Wrapper::TEvGetObjectResponse::TPtr& ev) { 
-        auto& msg = *ev->Get(); 
-        const auto& result = msg.Result; 
- 
-        IMPORT_LOG_D("Handle TEvS3Wrapper::TEvGetObjectResponse" 
-            << ": self# " << SelfId() 
-            << ", result# " << result); 
- 
-        const TStringBuf marker = "GetObject"; 
- 
-        if (!CheckResult(result, marker)) { 
-            return; 
-        } 
- 
-        if (!CheckETag(ETag, result.GetResult().c_str(), marker)) { 
-            return; 
-        } 
- 
-        IMPORT_LOG_T("Content size" 
-            << ": self# " << SelfId() 
-            << ", processed-bytes# " << ProcessedBytes 
-            << ", content-length# " << ContentLength 
-            << ", body-size# " << msg.Body.size()); 
- 
-        if (!Reader.Feed(std::move(msg.Body), Buffer)) { 
-            return Finish(false, "Cannot find new line symbol in data"); 
-        } 
- 
-        ProcessedBytes += Buffer.size(); 
-        RequestBuilder.New(TableInfo, Scheme); 
- 
-        TMemoryPool pool(256); 
-        while (ProcessData(pool)); 
-    } 
- 
-    bool ProcessData(TMemoryPool& pool) { 
-        pool.Clear(); 
- 
-        TStringBuf line = Buffer.NextTok('\n'); 
-        const TStringBuf origLine = line; 
- 
-        if (!line) { 
-            if (Buffer) { 
-                return true; // skip empty line 
-            } 
- 
-            const auto& record = RequestBuilder.GetRecord(); 
-            WrittenRows += record.RowsSize(); 
- 
-            IMPORT_LOG_D("Upload rows" 
-                << ": self# " << SelfId() 
-                << ", count# " << record.RowsSize() 
-                << ", size# " << record.ByteSizeLong()); 
- 
-            Send(DataShard, RequestBuilder.Build().Release()); 
-            return false; 
-        } 
- 
+            return;
+        }
+
+        ProcessedBytes = info.ProcessedBytes;
+        WrittenBytes = info.WrittenBytes;
+        WrittenRows = info.WrittenRows;
+
+        if (!ContentLength || ProcessedBytes >= ContentLength) {
+            return Finish();
+        }
+
+        GetObject(Settings.DataKey, Reader.NextRange(ContentLength, ProcessedBytes));
+    }
+
+    void Handle(TEvS3Wrapper::TEvGetObjectResponse::TPtr& ev) {
+        auto& msg = *ev->Get();
+        const auto& result = msg.Result;
+
+        IMPORT_LOG_D("Handle TEvS3Wrapper::TEvGetObjectResponse"
+            << ": self# " << SelfId()
+            << ", result# " << result);
+
+        const TStringBuf marker = "GetObject";
+
+        if (!CheckResult(result, marker)) {
+            return;
+        }
+
+        if (!CheckETag(ETag, result.GetResult().c_str(), marker)) {
+            return;
+        }
+
+        IMPORT_LOG_T("Content size"
+            << ": self# " << SelfId()
+            << ", processed-bytes# " << ProcessedBytes
+            << ", content-length# " << ContentLength
+            << ", body-size# " << msg.Body.size());
+
+        if (!Reader.Feed(std::move(msg.Body), Buffer)) {
+            return Finish(false, "Cannot find new line symbol in data");
+        }
+
+        ProcessedBytes += Buffer.size();
+        RequestBuilder.New(TableInfo, Scheme);
+
+        TMemoryPool pool(256);
+        while (ProcessData(pool));
+    }
+
+    bool ProcessData(TMemoryPool& pool) {
+        pool.Clear();
+
+        TStringBuf line = Buffer.NextTok('\n');
+        const TStringBuf origLine = line;
+
+        if (!line) {
+            if (Buffer) {
+                return true; // skip empty line
+            }
+
+            const auto& record = RequestBuilder.GetRecord();
+            WrittenRows += record.RowsSize();
+
+            IMPORT_LOG_D("Upload rows"
+                << ": self# " << SelfId()
+                << ", count# " << record.RowsSize()
+                << ", size# " << record.ByteSizeLong());
+
+            Send(DataShard, RequestBuilder.Build().Release());
+            return false;
+        }
+
         std::vector<std::pair<i32, ui32>> columnOrderTypes; // {keyOrder, PType}
         columnOrderTypes.reserve(Scheme.GetColumns().size());
- 
-        for (const auto& column : Scheme.GetColumns()) { 
+
+        for (const auto& column : Scheme.GetColumns()) {
             columnOrderTypes.emplace_back(TableInfo.KeyOrder(column.GetName()), column.GetTypeId());
         }
- 
+
         TVector<TCell> keys;
         TVector<TCell> values;
         TString strError;
- 
+
         if (!NFormats::TYdbDump::ParseLine(line, columnOrderTypes, pool, keys, values, strError, WrittenBytes)) {
             Finish(false, TStringBuilder() << strError << " on line: " << origLine);
             return false;
-        } 
- 
-        Y_VERIFY(!keys.empty()); 
-        if (!TableInfo.IsMyKey(keys) /* TODO: maybe skip */) { 
-            Finish(false, TStringBuilder() << "Key is out of range on line: " << origLine); 
-            return false; 
-        } 
- 
-        RequestBuilder.AddRow(keys, values); 
-        return true; 
-    } 
- 
-    void Handle(TEvDataShard::TEvUnsafeUploadRowsResponse::TPtr& ev) { 
-        const auto& record = ev->Get()->Record; 
- 
-        IMPORT_LOG_D("Handle TEvDataShard::TEvUnsafeUploadRowsResponse" 
-            << ": self# " << SelfId() 
-            << ", record# " << record.ShortDebugString()); 
- 
-        switch (record.GetStatus()) { 
-        case NKikimrTxDataShard::TError::OK: 
-            break; 
- 
-        case NKikimrTxDataShard::TError::SCHEME_ERROR: 
-        case NKikimrTxDataShard::TError::BAD_ARGUMENT: 
-            return Finish(false, record.GetErrorDescription()); 
- 
-        default: 
-            return RetryOrFinish(record.GetErrorDescription()); 
-        }; 
- 
-        Send(DataShard, new TEvDataShard::TEvStoreS3DownloadInfo(SelfId(), 
-            TxId, ETag, ProcessedBytes, WrittenBytes, WrittenRows)); 
-    } 
- 
-    template <typename TResult> 
-    bool CheckResult(const TResult& result, const TStringBuf marker) { 
-        if (result.IsSuccess()) { 
-            return true; 
-        } 
- 
-        IMPORT_LOG_E("Error at '" << marker << "'" 
-            << ": self# " << SelfId() 
-            << ", error# " << result); 
-        RetryOrFinish(result.GetError().GetMessage().c_str()); 
- 
-        return false; 
-    } 
- 
-    bool CheckETag(const TString& expected, const TString& got, const TStringBuf marker) { 
-        if (expected == got) { 
-            return true; 
-        } 
- 
-        const TString error = TStringBuilder() << "ETag mismatch at '" << marker << "'" 
-            << ": self# " << SelfId() 
-            << ", expected# " << expected 
-            << ", got# " << got; 
- 
-        IMPORT_LOG_E(error); 
-        Finish(false, error); 
- 
-        return false; 
-    } 
- 
-    bool CheckScheme() { 
-        auto finish = [this](const TString& error) -> bool { 
-            IMPORT_LOG_E(error); 
-            Finish(false, error); 
- 
-            return false; 
-        }; 
- 
-        for (const auto& column : Scheme.GetColumns()) { 
-            if (!TableInfo.HasColumn(column.GetName())) { 
-                return finish(TStringBuilder() << "Scheme mismatch: cannot find column" 
-                    << ": name# " << column.GetName()); 
-            } 
- 
-            const NScheme::TTypeId type = TableInfo.GetColumnType(column.GetName()); 
-            if (type != static_cast<NScheme::TTypeId>(column.GetTypeId())) { 
-                return finish(TStringBuilder() << "Scheme mismatch: column type mismatch" 
-                    << ": name# " << column.GetName() 
-                    << ", expected# " << type 
-                    << ", got# " << static_cast<NScheme::TTypeId>(column.GetTypeId())); 
-            } 
-        } 
- 
-        if (TableInfo.GetKeyColumnIds().size() != (ui32)Scheme.KeyColumnNamesSize()) { 
-            return finish(TStringBuilder() << "Scheme mismatch: key column count mismatch" 
-                << ": expected# " << TableInfo.GetKeyColumnIds().size() 
-                << ", got# " << Scheme.KeyColumnNamesSize()); 
-        } 
- 
-        for (ui32 i = 0; i < (ui32)Scheme.KeyColumnNamesSize(); ++i) { 
-            const auto& name = Scheme.GetKeyColumnNames(i); 
-            const ui32 keyOrder = TableInfo.KeyOrder(name); 
- 
-            if (keyOrder != i) { 
-                return finish(TStringBuilder() << "Scheme mismatch: key order mismatch" 
-                    << ": name# " << name 
-                    << ", expected# " << keyOrder 
-                    << ", got# " << i); 
-            } 
-        } 
- 
-        return true; 
-    } 
- 
-    void RetryOrFinish(const TString& error) { 
-        if (Attempt++ < Retries) { 
-            Delay = Min(Delay * Attempt, MaxDelay); 
-            const TDuration random = TDuration::FromValue(TAppData::RandomProvider->GenRand64() % Delay.MicroSeconds()); 
- 
-            Schedule(Delay + random, new TEvents::TEvWakeup()); 
-        } else { 
-            Finish(false, error); 
-        } 
-    } 
- 
-    void Finish(bool success = true, const TString& error = TString()) { 
-        IMPORT_LOG_I("Finish" 
-            << ": self# " << SelfId() 
-            << ", success# " << success 
-            << ", error# " << error 
-            << ", writtenBytes# " << WrittenBytes 
-            << ", writtenRows# " << WrittenRows); 
- 
+        }
+
+        Y_VERIFY(!keys.empty());
+        if (!TableInfo.IsMyKey(keys) /* TODO: maybe skip */) {
+            Finish(false, TStringBuilder() << "Key is out of range on line: " << origLine);
+            return false;
+        }
+
+        RequestBuilder.AddRow(keys, values);
+        return true;
+    }
+
+    void Handle(TEvDataShard::TEvUnsafeUploadRowsResponse::TPtr& ev) {
+        const auto& record = ev->Get()->Record;
+
+        IMPORT_LOG_D("Handle TEvDataShard::TEvUnsafeUploadRowsResponse"
+            << ": self# " << SelfId()
+            << ", record# " << record.ShortDebugString());
+
+        switch (record.GetStatus()) {
+        case NKikimrTxDataShard::TError::OK:
+            break;
+
+        case NKikimrTxDataShard::TError::SCHEME_ERROR:
+        case NKikimrTxDataShard::TError::BAD_ARGUMENT:
+            return Finish(false, record.GetErrorDescription());
+
+        default:
+            return RetryOrFinish(record.GetErrorDescription());
+        };
+
+        Send(DataShard, new TEvDataShard::TEvStoreS3DownloadInfo(SelfId(),
+            TxId, ETag, ProcessedBytes, WrittenBytes, WrittenRows));
+    }
+
+    template <typename TResult>
+    bool CheckResult(const TResult& result, const TStringBuf marker) {
+        if (result.IsSuccess()) {
+            return true;
+        }
+
+        IMPORT_LOG_E("Error at '" << marker << "'"
+            << ": self# " << SelfId()
+            << ", error# " << result);
+        RetryOrFinish(result.GetError().GetMessage().c_str());
+
+        return false;
+    }
+
+    bool CheckETag(const TString& expected, const TString& got, const TStringBuf marker) {
+        if (expected == got) {
+            return true;
+        }
+
+        const TString error = TStringBuilder() << "ETag mismatch at '" << marker << "'"
+            << ": self# " << SelfId()
+            << ", expected# " << expected
+            << ", got# " << got;
+
+        IMPORT_LOG_E(error);
+        Finish(false, error);
+
+        return false;
+    }
+
+    bool CheckScheme() {
+        auto finish = [this](const TString& error) -> bool {
+            IMPORT_LOG_E(error);
+            Finish(false, error);
+
+            return false;
+        };
+
+        for (const auto& column : Scheme.GetColumns()) {
+            if (!TableInfo.HasColumn(column.GetName())) {
+                return finish(TStringBuilder() << "Scheme mismatch: cannot find column"
+                    << ": name# " << column.GetName());
+            }
+
+            const NScheme::TTypeId type = TableInfo.GetColumnType(column.GetName());
+            if (type != static_cast<NScheme::TTypeId>(column.GetTypeId())) {
+                return finish(TStringBuilder() << "Scheme mismatch: column type mismatch"
+                    << ": name# " << column.GetName()
+                    << ", expected# " << type
+                    << ", got# " << static_cast<NScheme::TTypeId>(column.GetTypeId()));
+            }
+        }
+
+        if (TableInfo.GetKeyColumnIds().size() != (ui32)Scheme.KeyColumnNamesSize()) {
+            return finish(TStringBuilder() << "Scheme mismatch: key column count mismatch"
+                << ": expected# " << TableInfo.GetKeyColumnIds().size()
+                << ", got# " << Scheme.KeyColumnNamesSize());
+        }
+
+        for (ui32 i = 0; i < (ui32)Scheme.KeyColumnNamesSize(); ++i) {
+            const auto& name = Scheme.GetKeyColumnNames(i);
+            const ui32 keyOrder = TableInfo.KeyOrder(name);
+
+            if (keyOrder != i) {
+                return finish(TStringBuilder() << "Scheme mismatch: key order mismatch"
+                    << ": name# " << name
+                    << ", expected# " << keyOrder
+                    << ", got# " << i);
+            }
+        }
+
+        return true;
+    }
+
+    void RetryOrFinish(const TString& error) {
+        if (Attempt++ < Retries) {
+            Delay = Min(Delay * Attempt, MaxDelay);
+            const TDuration random = TDuration::FromValue(TAppData::RandomProvider->GenRand64() % Delay.MicroSeconds());
+
+            Schedule(Delay + random, new TEvents::TEvWakeup());
+        } else {
+            Finish(false, error);
+        }
+    }
+
+    void Finish(bool success = true, const TString& error = TString()) {
+        IMPORT_LOG_I("Finish"
+            << ": self# " << SelfId()
+            << ", success# " << success
+            << ", error# " << error
+            << ", writtenBytes# " << WrittenBytes
+            << ", writtenRows# " << WrittenRows);
+
         TAutoPtr<IDestructable> prod = new TImportJobProduct(success, error, WrittenBytes, WrittenRows);
         Send(DataShard, new TDataShard::TEvPrivate::TEvAsyncJobComplete(prod), 0, TxId);
- 
-        Y_VERIFY(TaskId); 
-        Send(MakeResourceBrokerID(), new TEvResourceBroker::TEvFinishTask(TaskId)); 
- 
-        PassAway(); 
-    } 
- 
-    void NotifyDied() { 
-        Send(MakeResourceBrokerID(), new TEvResourceBroker::TEvNotifyActorDied()); 
-        PassAway(); 
-    } 
- 
-    void PassAway() override { 
-        if (Client) { 
-            Send(Client, new TEvents::TEvPoisonPill()); 
-        } 
- 
-        TActor::PassAway(); 
-    } 
- 
-public: 
-    static constexpr NKikimrServices::TActivity::EType ActorActivityType() { 
-        return NKikimrServices::TActivity::IMPORT_S3_DOWNLOADER_ACTOR; 
-    } 
- 
-    static constexpr TStringBuf LogPrefix() { 
-        return "s3"; 
-    } 
- 
+
+        Y_VERIFY(TaskId);
+        Send(MakeResourceBrokerID(), new TEvResourceBroker::TEvFinishTask(TaskId));
+
+        PassAway();
+    }
+
+    void NotifyDied() {
+        Send(MakeResourceBrokerID(), new TEvResourceBroker::TEvNotifyActorDied());
+        PassAway();
+    }
+
+    void PassAway() override {
+        if (Client) {
+            Send(Client, new TEvents::TEvPoisonPill());
+        }
+
+        TActor::PassAway();
+    }
+
+public:
+    static constexpr NKikimrServices::TActivity::EType ActorActivityType() {
+        return NKikimrServices::TActivity::IMPORT_S3_DOWNLOADER_ACTOR;
+    }
+
+    static constexpr TStringBuf LogPrefix() {
+        return "s3";
+    }
+
     explicit TS3Downloader(const TActorId& dataShard, ui64 txId, const NKikimrSchemeOp::TRestoreTask& task, const TTableInfo& tableInfo)
-        : DataShard(dataShard) 
-        , TxId(txId) 
-        , Settings(TS3Settings::FromRestoreTask(task)) 
-        , TableInfo(tableInfo) 
-        , Scheme(task.GetTableDescription()) 
-        , Retries(task.GetNumberOfRetries()) 
-        , Reader(task.GetS3Settings().GetLimits().GetReadBatchSize()) 
-    { 
-    } 
- 
-    void Bootstrap() { 
-        IMPORT_LOG_D("Bootstrap" 
-            << ": self# " << SelfId() 
-            << ", attempt# " << Attempt); 
- 
-        if (!CheckScheme()) { 
-            return; 
-        } 
- 
-        AllocateResource(); 
-    } 
- 
-    STATEFN(StateAllocateResource) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvResourceBroker::TEvResourceAllocated, Handle); 
-            cFunc(TEvents::TEvPoisonPill::EventType, NotifyDied); 
-        } 
-    } 
- 
-    STATEFN(StateWork) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvS3Wrapper::TEvHeadObjectResponse, Handle); 
-            hFunc(TEvS3Wrapper::TEvGetObjectResponse, Handle); 
- 
-            hFunc(TEvDataShard::TEvS3DownloadInfo, Handle); 
-            hFunc(TEvDataShard::TEvUnsafeUploadRowsResponse, Handle); 
- 
-            cFunc(TEvents::TEvWakeup::EventType, Restart); 
-            cFunc(TEvents::TEvPoisonPill::EventType, NotifyDied); 
-        } 
-    } 
- 
-private: 
-    const TActorId DataShard; 
-    const ui64 TxId; 
-    const TS3Settings Settings; 
-    const TTableInfo TableInfo; 
+        : DataShard(dataShard)
+        , TxId(txId)
+        , Settings(TS3Settings::FromRestoreTask(task))
+        , TableInfo(tableInfo)
+        , Scheme(task.GetTableDescription())
+        , Retries(task.GetNumberOfRetries())
+        , Reader(task.GetS3Settings().GetLimits().GetReadBatchSize())
+    {
+    }
+
+    void Bootstrap() {
+        IMPORT_LOG_D("Bootstrap"
+            << ": self# " << SelfId()
+            << ", attempt# " << Attempt);
+
+        if (!CheckScheme()) {
+            return;
+        }
+
+        AllocateResource();
+    }
+
+    STATEFN(StateAllocateResource) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvResourceBroker::TEvResourceAllocated, Handle);
+            cFunc(TEvents::TEvPoisonPill::EventType, NotifyDied);
+        }
+    }
+
+    STATEFN(StateWork) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvS3Wrapper::TEvHeadObjectResponse, Handle);
+            hFunc(TEvS3Wrapper::TEvGetObjectResponse, Handle);
+
+            hFunc(TEvDataShard::TEvS3DownloadInfo, Handle);
+            hFunc(TEvDataShard::TEvUnsafeUploadRowsResponse, Handle);
+
+            cFunc(TEvents::TEvWakeup::EventType, Restart);
+            cFunc(TEvents::TEvPoisonPill::EventType, NotifyDied);
+        }
+    }
+
+private:
+    const TActorId DataShard;
+    const ui64 TxId;
+    const TS3Settings Settings;
+    const TTableInfo TableInfo;
     const NKikimrSchemeOp::TTableDescription Scheme;
- 
-    const ui32 Retries; 
-    ui32 Attempt = 0; 
- 
-    TDuration Delay = TDuration::Minutes(1); 
-    static constexpr TDuration MaxDelay = TDuration::Minutes(10); 
- 
-    ui64 TaskId = 0; 
-    TActorId Client; 
- 
-    TString ETag; 
-    ui64 ContentLength = 0; 
-    ui64 ProcessedBytes = 0; 
-    ui64 WrittenBytes = 0; 
-    ui64 WrittenRows = 0; 
- 
-    TReadController Reader; 
-    TStringBuf Buffer; 
-    TUploadRowsRequestBuilder RequestBuilder; 
- 
-}; // TS3Downloader 
- 
+
+    const ui32 Retries;
+    ui32 Attempt = 0;
+
+    TDuration Delay = TDuration::Minutes(1);
+    static constexpr TDuration MaxDelay = TDuration::Minutes(10);
+
+    ui64 TaskId = 0;
+    TActorId Client;
+
+    TString ETag;
+    ui64 ContentLength = 0;
+    ui64 ProcessedBytes = 0;
+    ui64 WrittenBytes = 0;
+    ui64 WrittenRows = 0;
+
+    TReadController Reader;
+    TStringBuf Buffer;
+    TUploadRowsRequestBuilder RequestBuilder;
+
+}; // TS3Downloader
+
 IActor* CreateS3Downloader(const TActorId& dataShard, ui64 txId, const NKikimrSchemeOp::TRestoreTask& task, const TTableInfo& info) {
-    return new TS3Downloader(dataShard, txId, task, info); 
-} 
- 
+    return new TS3Downloader(dataShard, txId, task, info);
+}
+
 } // NDataShard
-} // NKikimr 
- 
-#endif // KIKIMR_DISABLE_S3_OPS 
+} // NKikimr
+
+#endif // KIKIMR_DISABLE_S3_OPS
diff --git a/ydb/core/tx/datashard/import_s3.h b/ydb/core/tx/datashard/import_s3.h
index 462aeee33a..f879693de8 100644
--- a/ydb/core/tx/datashard/import_s3.h
+++ b/ydb/core/tx/datashard/import_s3.h
@@ -1,21 +1,21 @@
-#pragma once 
- 
-#ifndef KIKIMR_DISABLE_S3_OPS 
- 
-#include "defs.h" 
- 
+#pragma once
+
+#ifndef KIKIMR_DISABLE_S3_OPS
+
+#include "defs.h"
+
 namespace NKikimrSchemeOp {
-    class TRestoreTask; 
-} 
- 
-namespace NKikimr { 
+    class TRestoreTask;
+}
+
+namespace NKikimr {
 namespace NDataShard {
- 
-class TTableInfo; 
- 
+
+class TTableInfo;
+
 IActor* CreateS3Downloader(const TActorId& dataShard, ui64 txId, const NKikimrSchemeOp::TRestoreTask& task, const TTableInfo& info);
- 
+
 } // NDataShard
-} // NKikimr 
- 
-#endif // KIKIMR_DISABLE_S3_OPS 
+} // NKikimr
+
+#endif // KIKIMR_DISABLE_S3_OPS
diff --git a/ydb/core/tx/datashard/initiate_build_index_unit.cpp b/ydb/core/tx/datashard/initiate_build_index_unit.cpp
index 5e52dced17..f52034aeea 100644
--- a/ydb/core/tx/datashard/initiate_build_index_unit.cpp
+++ b/ydb/core/tx/datashard/initiate_build_index_unit.cpp
@@ -6,8 +6,8 @@ namespace NKikimr {
 namespace NDataShard {
 
 class TInitiateBuildIndexUnit : public TExecutionUnit {
-    THolder<TEvChangeExchange::TEvAddSender> AddSender; 
- 
+    THolder<TEvChangeExchange::TEvAddSender> AddSender;
+
 public:
     TInitiateBuildIndexUnit(TDataShard& dataShard, TPipeline& pipeline)
         : TExecutionUnit(EExecutionUnitKind::InitiateBuildIndex, false, dataShard, pipeline)
@@ -33,23 +33,23 @@ public:
         auto pathId = TPathId(params.GetPathId().GetOwnerId(), params.GetPathId().GetLocalId());
         Y_VERIFY(pathId.OwnerId == DataShard.GetPathOwnerId());
 
-        TUserTable::TPtr tableInfo; 
-        if (params.HasIndexDescription()) { 
-            const auto& indexDesc = params.GetIndexDescription(); 
- 
+        TUserTable::TPtr tableInfo;
+        if (params.HasIndexDescription()) {
+            const auto& indexDesc = params.GetIndexDescription();
+
             if (indexDesc.GetType() == NKikimrSchemeOp::EIndexType::EIndexTypeGlobalAsync) {
-                auto indexPathId = TPathId(indexDesc.GetPathOwnerId(), indexDesc.GetLocalPathId()); 
-                AddSender.Reset(new TEvChangeExchange::TEvAddSender( 
-                    pathId, TEvChangeExchange::ESenderType::AsyncIndex, indexPathId 
-                )); 
-            } 
- 
-            tableInfo = DataShard.AlterTableAddIndex(ctx, txc, pathId, params.GetTableSchemaVersion(), indexDesc); 
-        } else { 
-            tableInfo = DataShard.AlterTableSchemaVersion(ctx, txc, pathId, params.GetTableSchemaVersion()); 
-        } 
- 
-        Y_VERIFY(tableInfo); 
+                auto indexPathId = TPathId(indexDesc.GetPathOwnerId(), indexDesc.GetLocalPathId());
+                AddSender.Reset(new TEvChangeExchange::TEvAddSender(
+                    pathId, TEvChangeExchange::ESenderType::AsyncIndex, indexPathId
+                ));
+            }
+
+            tableInfo = DataShard.AlterTableAddIndex(ctx, txc, pathId, params.GetTableSchemaVersion(), indexDesc);
+        } else {
+            tableInfo = DataShard.AlterTableSchemaVersion(ctx, txc, pathId, params.GetTableSchemaVersion());
+        }
+
+        Y_VERIFY(tableInfo);
         DataShard.AddUserTable(pathId, tableInfo);
 
         ui64 step = tx->GetStep();
@@ -67,16 +67,16 @@ public:
         op->Result()->SetStepOrderId(op->GetStepOrder().ToPair());
 
         if (added) {
-            return EExecutionStatus::DelayCompleteNoMoreRestarts; 
+            return EExecutionStatus::DelayCompleteNoMoreRestarts;
         } else {
-            return EExecutionStatus::DelayComplete; 
+            return EExecutionStatus::DelayComplete;
         }
     }
 
-    void Complete(TOperation::TPtr, const TActorContext& ctx) override { 
-        if (AddSender) { 
-            ctx.Send(DataShard.GetChangeSender(), AddSender.Release()); 
-        } 
+    void Complete(TOperation::TPtr, const TActorContext& ctx) override {
+        if (AddSender) {
+            ctx.Send(DataShard.GetChangeSender(), AddSender.Release());
+        }
     }
 };
 
diff --git a/ydb/core/tx/datashard/operation.h b/ydb/core/tx/datashard/operation.h
index 2d420e3f2c..0f4b713e91 100644
--- a/ydb/core/tx/datashard/operation.h
+++ b/ydb/core/tx/datashard/operation.h
@@ -5,7 +5,7 @@
 #include "datashard_locks.h"
 #include "datashard_outreadset.h"
 #include "datashard_snapshots.h"
-#include "change_exchange.h" 
+#include "change_exchange.h"
 #include "execution_unit_kind.h"
 
 #include <ydb/core/engine/mkql_engine_flat.h>
@@ -100,7 +100,7 @@ enum class EOperationKind : ui32 {
     SchemeTx = NKikimrTxDataShard::ETransactionKind::TX_KIND_SCHEME,
     ReadTable = NKikimrTxDataShard::ETransactionKind::TX_KIND_SCAN,
     Snapshot = NKikimrTxDataShard::ETransactionKind::TX_KIND_SNAPSHOT,
-    DistributedErase = NKikimrTxDataShard::ETransactionKind::TX_KIND_DISTRIBUTED_ERASE, 
+    DistributedErase = NKikimrTxDataShard::ETransactionKind::TX_KIND_DISTRIBUTED_ERASE,
     CommitWrites = NKikimrTxDataShard::ETransactionKind::TX_KIND_COMMIT_WRITES,
 
     // Values [100, inf) are used for internal kinds.
@@ -153,7 +153,7 @@ public:
     bool IsSchemeTx() const { return Kind == EOperationKind::SchemeTx; }
     bool IsReadTable() const { return Kind == EOperationKind::ReadTable; }
     bool IsSnapshotTx() const { return Kind == EOperationKind::Snapshot; }
-    bool IsDistributedEraseTx() const { return Kind == EOperationKind::DistributedErase; } 
+    bool IsDistributedEraseTx() const { return Kind == EOperationKind::DistributedErase; }
     bool IsCommitWritesTx() const { return Kind == EOperationKind::CommitWrites; }
     bool Exists() const { return Kind != EOperationKind::Unknown; }
 
@@ -315,11 +315,11 @@ public:
     void ResetWaitingForScanFlag() { ResetFlag(TTxFlags::WaitingForScan); }
     bool IsWaitingForScan() const { return HasWaitingForScanFlag(); }
 
-    bool HasWaitingForAsyncJobFlag() const { return HasFlag(TTxFlags::WaitingForAsyncJob); } 
-    void SetWaitingForAsyncJobFlag(bool val = true) { SetFlag(TTxFlags::WaitingForAsyncJob, val); } 
-    void ResetWaitingForAsyncJobFlag() { ResetFlag(TTxFlags::WaitingForAsyncJob); } 
-    bool IsWaitingForAsyncJob() const { return HasWaitingForAsyncJobFlag(); } 
- 
+    bool HasWaitingForAsyncJobFlag() const { return HasFlag(TTxFlags::WaitingForAsyncJob); }
+    void SetWaitingForAsyncJobFlag(bool val = true) { SetFlag(TTxFlags::WaitingForAsyncJob, val); }
+    void ResetWaitingForAsyncJobFlag() { ResetFlag(TTxFlags::WaitingForAsyncJob); }
+    bool IsWaitingForAsyncJob() const { return HasWaitingForAsyncJobFlag(); }
+
     bool HasWaitingForSnapshotFlag() const { return HasFlag(TTxFlags::WaitingForSnapshot); }
     void SetWaitingForSnapshotFlag(bool val = true) { SetFlag(TTxFlags::WaitingForSnapshot, val); }
     void ResetWaitingForSnapshotFlag() { ResetFlag(TTxFlags::WaitingForSnapshot); }
@@ -435,7 +435,7 @@ struct TOutputOpData {
     using TResultPtr = THolder<TEvDataShard::TEvProposeTransactionResult>;
     using TDelayedAcks = TVector<THolder<IEventHandle>>;
     using TOutReadSets = TMap<std::pair<ui64, ui64>, TString>; // source:target -> body
-    using TChangeRecord = TEvChangeExchange::TEvEnqueueRecords::TRecordInfo; 
+    using TChangeRecord = TEvChangeExchange::TEvEnqueueRecords::TRecordInfo;
 
     TResultPtr Result;
     // ACKs to send on successful operation completion.
@@ -445,8 +445,8 @@ struct TOutputOpData {
     // Updates and checked locks.
     TLocksUpdate LocksUpdate;
     TLocksCache LocksAccessLog;
-    // Collected change records 
-    TVector<TChangeRecord> ChangeRecords; 
+    // Collected change records
+    TVector<TChangeRecord> ChangeRecords;
 };
 
 struct TExecutionProfile {
@@ -583,8 +583,8 @@ public:
 
     TAutoPtr<IDestructable> &AsyncJobResult() { return InputDataRef().AsyncJobResult; }
     void SetAsyncJobResult(TAutoPtr<IDestructable> prod) { InputDataRef().AsyncJobResult = prod; }
-    bool HasAsyncJobResult() const { return InputData ? (bool)InputData->AsyncJobResult : false; } 
- 
+    bool HasAsyncJobResult() const { return InputData ? (bool)InputData->AsyncJobResult : false; }
+
     ////////////////////////////////////////
     //            OUTPUT DATA             //
     ////////////////////////////////////////
@@ -605,8 +605,8 @@ public:
     TLocksUpdate &LocksUpdate() { return OutputDataRef().LocksUpdate; }
     TLocksCache &LocksAccessLog() { return OutputDataRef().LocksAccessLog; }
 
-    TVector<TOutputOpData::TChangeRecord> &ChangeRecords() { return OutputDataRef().ChangeRecords; } 
- 
+    TVector<TOutputOpData::TChangeRecord> &ChangeRecords() { return OutputDataRef().ChangeRecords; }
+
     const NFH::TFlatHashSet<ui64> &GetAffectedLocks() const { return AffectedLocks; }
     void AddAffectedLock(ui64 lockTxId) { AffectedLocks.insert(lockTxId); }
 
diff --git a/ydb/core/tx/datashard/prepare_distributed_erase_tx_in_rs_unit.cpp b/ydb/core/tx/datashard/prepare_distributed_erase_tx_in_rs_unit.cpp
index 3fbbfa673e..2a66649088 100644
--- a/ydb/core/tx/datashard/prepare_distributed_erase_tx_in_rs_unit.cpp
+++ b/ydb/core/tx/datashard/prepare_distributed_erase_tx_in_rs_unit.cpp
@@ -1,47 +1,47 @@
-#include "datashard_active_transaction.h" 
-#include "datashard_impl.h" 
-#include "datashard_pipeline.h" 
-#include "execution_unit_ctors.h" 
- 
-namespace NKikimr { 
+#include "datashard_active_transaction.h"
+#include "datashard_impl.h"
+#include "datashard_pipeline.h"
+#include "execution_unit_ctors.h"
+
+namespace NKikimr {
 namespace NDataShard {
- 
-class TPrepareDistributedEraseTxInRSUnit : public TExecutionUnit { 
-public: 
+
+class TPrepareDistributedEraseTxInRSUnit : public TExecutionUnit {
+public:
     TPrepareDistributedEraseTxInRSUnit(TDataShard& self, TPipeline& pipeline)
-        : TExecutionUnit(EExecutionUnitKind::PrepareDistributedEraseTxInRS, false, self, pipeline) 
-    { 
-    } 
- 
-    bool IsReadyToExecute(TOperation::TPtr) const override { 
-        return true; 
-    } 
- 
-    EExecutionStatus Execute(TOperation::TPtr op, TTransactionContext&, const TActorContext&) override { 
-        Y_VERIFY(op->IsDistributedEraseTx()); 
- 
-        TActiveTransaction* tx = dynamic_cast<TActiveTransaction*>(op.Get()); 
-        Y_VERIFY_S(tx, "cannot cast operation of kind " << op->GetKind()); 
- 
-        const auto& eraseTx = tx->GetDistributedEraseTx(); 
-        if (!eraseTx->HasDependencies()) { 
-            return EExecutionStatus::Executed; 
-        } 
- 
-        for (const auto& dependency : eraseTx->GetDependencies()) { 
-            op->InReadSets().emplace(std::make_pair(dependency.GetShardId(), DataShard.TabletID()), TVector<TRSData>()); 
-        } 
- 
-        return EExecutionStatus::Executed; 
-    } 
- 
-    void Complete(TOperation::TPtr, const TActorContext&) override { 
-    } 
-}; 
- 
+        : TExecutionUnit(EExecutionUnitKind::PrepareDistributedEraseTxInRS, false, self, pipeline)
+    {
+    }
+
+    bool IsReadyToExecute(TOperation::TPtr) const override {
+        return true;
+    }
+
+    EExecutionStatus Execute(TOperation::TPtr op, TTransactionContext&, const TActorContext&) override {
+        Y_VERIFY(op->IsDistributedEraseTx());
+
+        TActiveTransaction* tx = dynamic_cast<TActiveTransaction*>(op.Get());
+        Y_VERIFY_S(tx, "cannot cast operation of kind " << op->GetKind());
+
+        const auto& eraseTx = tx->GetDistributedEraseTx();
+        if (!eraseTx->HasDependencies()) {
+            return EExecutionStatus::Executed;
+        }
+
+        for (const auto& dependency : eraseTx->GetDependencies()) {
+            op->InReadSets().emplace(std::make_pair(dependency.GetShardId(), DataShard.TabletID()), TVector<TRSData>());
+        }
+
+        return EExecutionStatus::Executed;
+    }
+
+    void Complete(TOperation::TPtr, const TActorContext&) override {
+    }
+};
+
 THolder<TExecutionUnit> CreatePrepareDistributedEraseTxInRSUnit(TDataShard& self, TPipeline& pipeline) {
-    return THolder(new TPrepareDistributedEraseTxInRSUnit(self, pipeline)); 
-} 
- 
+    return THolder(new TPrepareDistributedEraseTxInRSUnit(self, pipeline));
+}
+
 } // namespace NDataShard
-} // namespace NKikimr 
+} // namespace NKikimr
diff --git a/ydb/core/tx/datashard/restore_unit.cpp b/ydb/core/tx/datashard/restore_unit.cpp
index 1e70f76d7b..6f80c11bcd 100644
--- a/ydb/core/tx/datashard/restore_unit.cpp
+++ b/ydb/core/tx/datashard/restore_unit.cpp
@@ -1,96 +1,96 @@
-#include "backup_restore_common.h" 
-#include "execution_unit_ctors.h" 
-#include "import_common.h" 
-#include "import_s3.h" 
- 
-namespace NKikimr { 
+#include "backup_restore_common.h"
+#include "execution_unit_ctors.h"
+#include "import_common.h"
+#include "import_s3.h"
+
+namespace NKikimr {
 namespace NDataShard {
- 
-class TRestoreUnit : public TBackupRestoreUnitBase<TEvDataShard::TEvCancelRestore> { 
-protected: 
-    bool IsRelevant(TActiveTransaction* tx) const override { 
-        return tx->GetSchemeTx().HasRestore(); 
-    } 
- 
-    bool IsWaiting(TOperation::TPtr op) const override { 
-        return op->IsWaitingForAsyncJob(); 
-    } 
- 
-    void SetWaiting(TOperation::TPtr op) override { 
-        op->SetWaitingForAsyncJobFlag(); 
-    } 
- 
-    void ResetWaiting(TOperation::TPtr op) override { 
-        op->ResetWaitingForAsyncJobFlag(); 
-    } 
- 
-    bool Run(TOperation::TPtr op, TTransactionContext&, const TActorContext& ctx) override { 
-        TActiveTransaction* tx = dynamic_cast<TActiveTransaction*>(op.Get()); 
-        Y_VERIFY_S(tx, "cannot cast operation of kind " << op->GetKind()); 
- 
-        Y_VERIFY(tx->GetSchemeTx().HasRestore()); 
-        const auto& restore = tx->GetSchemeTx().GetRestore(); 
- 
-        const ui64 tableId = restore.GetTableId(); 
-        Y_VERIFY(DataShard.GetUserTables().contains(tableId)); 
- 
-        const TTableInfo tableInfo = TTableInfo(tableId, DataShard.GetUserTables().at(tableId)); 
- 
-        const auto settingsKind = restore.GetSettingsCase(); 
-        switch (settingsKind) { 
+
+class TRestoreUnit : public TBackupRestoreUnitBase<TEvDataShard::TEvCancelRestore> {
+protected:
+    bool IsRelevant(TActiveTransaction* tx) const override {
+        return tx->GetSchemeTx().HasRestore();
+    }
+
+    bool IsWaiting(TOperation::TPtr op) const override {
+        return op->IsWaitingForAsyncJob();
+    }
+
+    void SetWaiting(TOperation::TPtr op) override {
+        op->SetWaitingForAsyncJobFlag();
+    }
+
+    void ResetWaiting(TOperation::TPtr op) override {
+        op->ResetWaitingForAsyncJobFlag();
+    }
+
+    bool Run(TOperation::TPtr op, TTransactionContext&, const TActorContext& ctx) override {
+        TActiveTransaction* tx = dynamic_cast<TActiveTransaction*>(op.Get());
+        Y_VERIFY_S(tx, "cannot cast operation of kind " << op->GetKind());
+
+        Y_VERIFY(tx->GetSchemeTx().HasRestore());
+        const auto& restore = tx->GetSchemeTx().GetRestore();
+
+        const ui64 tableId = restore.GetTableId();
+        Y_VERIFY(DataShard.GetUserTables().contains(tableId));
+
+        const TTableInfo tableInfo = TTableInfo(tableId, DataShard.GetUserTables().at(tableId));
+
+        const auto settingsKind = restore.GetSettingsCase();
+        switch (settingsKind) {
         case NKikimrSchemeOp::TRestoreTask::kS3Settings:
-        #ifndef KIKIMR_DISABLE_S3_OPS 
-            tx->SetAsyncJobActor(ctx.Register(CreateS3Downloader(DataShard.SelfId(), op->GetTxId(), restore, tableInfo), 
-                TMailboxType::HTSwap, AppData(ctx)->BatchPoolId)); 
-            break; 
-        #else 
-            Abort(op, ctx, "Imports from S3 are disabled"); 
-            return false; 
-        #endif 
- 
-        default: 
-            Abort(op, ctx, TStringBuilder() << "Unknown settings: " << static_cast<ui32>(settingsKind)); 
-            return false; 
-        } 
- 
-        return true; 
-    } 
- 
-    bool HasResult(TOperation::TPtr op) const override { 
-        return op->HasAsyncJobResult(); 
-    } 
- 
-    void ProcessResult(TOperation::TPtr op, const TActorContext&) override { 
-        TActiveTransaction* tx = dynamic_cast<TActiveTransaction*>(op.Get()); 
-        Y_VERIFY_S(tx, "cannot cast operation of kind " << op->GetKind()); 
- 
-        auto* result = CheckedCast<TImportJobProduct*>(op->AsyncJobResult().Get()); 
-        auto* schemeOp = DataShard.FindSchemaTx(op->GetTxId()); 
- 
-        schemeOp->Success = result->Success; 
-        schemeOp->Error = std::move(result->Error); 
-        schemeOp->BytesProcessed = result->BytesWritten; 
-        schemeOp->RowsProcessed = result->RowsWritten; 
- 
-        op->SetAsyncJobResult(nullptr); 
-        tx->SetAsyncJobActor(TActorId()); 
-    } 
- 
-    void Cancel(TActiveTransaction* tx, const TActorContext& ctx) override { 
-        tx->KillAsyncJobActor(ctx); 
-    } 
- 
-public: 
+        #ifndef KIKIMR_DISABLE_S3_OPS
+            tx->SetAsyncJobActor(ctx.Register(CreateS3Downloader(DataShard.SelfId(), op->GetTxId(), restore, tableInfo),
+                TMailboxType::HTSwap, AppData(ctx)->BatchPoolId));
+            break;
+        #else
+            Abort(op, ctx, "Imports from S3 are disabled");
+            return false;
+        #endif
+
+        default:
+            Abort(op, ctx, TStringBuilder() << "Unknown settings: " << static_cast<ui32>(settingsKind));
+            return false;
+        }
+
+        return true;
+    }
+
+    bool HasResult(TOperation::TPtr op) const override {
+        return op->HasAsyncJobResult();
+    }
+
+    void ProcessResult(TOperation::TPtr op, const TActorContext&) override {
+        TActiveTransaction* tx = dynamic_cast<TActiveTransaction*>(op.Get());
+        Y_VERIFY_S(tx, "cannot cast operation of kind " << op->GetKind());
+
+        auto* result = CheckedCast<TImportJobProduct*>(op->AsyncJobResult().Get());
+        auto* schemeOp = DataShard.FindSchemaTx(op->GetTxId());
+
+        schemeOp->Success = result->Success;
+        schemeOp->Error = std::move(result->Error);
+        schemeOp->BytesProcessed = result->BytesWritten;
+        schemeOp->RowsProcessed = result->RowsWritten;
+
+        op->SetAsyncJobResult(nullptr);
+        tx->SetAsyncJobActor(TActorId());
+    }
+
+    void Cancel(TActiveTransaction* tx, const TActorContext& ctx) override {
+        tx->KillAsyncJobActor(ctx);
+    }
+
+public:
     TRestoreUnit(TDataShard& self, TPipeline& pipeline)
-        : TBase(EExecutionUnitKind::Restore, self, pipeline) 
-    { 
-    } 
- 
-}; // TRestoreUnit 
- 
+        : TBase(EExecutionUnitKind::Restore, self, pipeline)
+    {
+    }
+
+}; // TRestoreUnit
+
 THolder<TExecutionUnit> CreateRestoreUnit(TDataShard& self, TPipeline& pipeline) {
-    return THolder(new TRestoreUnit(self, pipeline)); 
-} 
- 
+    return THolder(new TRestoreUnit(self, pipeline));
+}
+
 } // namespace NDataShard
-} // namespace NKikimr 
+} // namespace NKikimr
diff --git a/ydb/core/tx/datashard/s3_common.h b/ydb/core/tx/datashard/s3_common.h
index e9c9848918..a9f7c570f9 100644
--- a/ydb/core/tx/datashard/s3_common.h
+++ b/ydb/core/tx/datashard/s3_common.h
@@ -1,106 +1,106 @@
-#pragma once 
- 
-#ifndef KIKIMR_DISABLE_S3_OPS 
- 
-#include "defs.h" 
- 
-#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/include/aws/core/auth/AWSCredentials.h> 
-#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/include/aws/core/client/ClientConfiguration.h> 
-#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/include/aws/s3/model/StorageClass.h> 
- 
+#pragma once
+
+#ifndef KIKIMR_DISABLE_S3_OPS
+
+#include "defs.h"
+
+#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/include/aws/core/auth/AWSCredentials.h>
+#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/include/aws/core/client/ClientConfiguration.h>
+#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/include/aws/s3/model/StorageClass.h>
+
 #include <ydb/core/protos/flat_scheme_op.pb.h>
- 
-#include <util/string/builder.h> 
-#include <util/string/printf.h> 
- 
-namespace NKikimr { 
+
+#include <util/string/builder.h>
+#include <util/string/printf.h>
+
+namespace NKikimr {
 namespace NDataShard {
- 
+
 inline Aws::Client::ClientConfiguration ConfigFromSettings(const NKikimrSchemeOp::TS3Settings& settings) {
-    Aws::Client::ClientConfiguration config; 
- 
-    config.endpointOverride = settings.GetEndpoint(); 
-    config.connectTimeoutMs = 10000; 
-    config.maxConnections = 5; 
- 
-    switch (settings.GetScheme()) { 
+    Aws::Client::ClientConfiguration config;
+
+    config.endpointOverride = settings.GetEndpoint();
+    config.connectTimeoutMs = 10000;
+    config.maxConnections = 5;
+
+    switch (settings.GetScheme()) {
     case NKikimrSchemeOp::TS3Settings::HTTP:
-        config.scheme = Aws::Http::Scheme::HTTP; 
-        break; 
+        config.scheme = Aws::Http::Scheme::HTTP;
+        break;
     case NKikimrSchemeOp::TS3Settings::HTTPS:
-        config.scheme = Aws::Http::Scheme::HTTPS; 
-        break; 
-    default: 
-        Y_FAIL("Unknown scheme"); 
-    } 
- 
-    return config; 
-} 
- 
+        config.scheme = Aws::Http::Scheme::HTTPS;
+        break;
+    default:
+        Y_FAIL("Unknown scheme");
+    }
+
+    return config;
+}
+
 inline Aws::Auth::AWSCredentials CredentialsFromSettings(const NKikimrSchemeOp::TS3Settings& settings) {
-    return Aws::Auth::AWSCredentials(settings.GetAccessKey(), settings.GetSecretKey()); 
-} 
- 
-struct TS3Settings { 
-    Aws::Client::ClientConfiguration Config; 
-    Aws::Auth::AWSCredentials Credentials; 
-    TString Bucket; 
-    TString SchemeKey; 
-    TString DataKey; 
-    Aws::S3::Model::StorageClass StorageClass; 
- 
-private: 
+    return Aws::Auth::AWSCredentials(settings.GetAccessKey(), settings.GetSecretKey());
+}
+
+struct TS3Settings {
+    Aws::Client::ClientConfiguration Config;
+    Aws::Auth::AWSCredentials Credentials;
+    TString Bucket;
+    TString SchemeKey;
+    TString DataKey;
+    Aws::S3::Model::StorageClass StorageClass;
+
+private:
     explicit TS3Settings(const NKikimrSchemeOp::TS3Settings& settings, ui32 shard)
-        : Config(ConfigFromSettings(settings)) 
-        , Credentials(CredentialsFromSettings(settings)) 
-        , Bucket(settings.GetBucket()) 
-        , SchemeKey(TStringBuilder() << settings.GetObjectKeyPattern() << "/scheme.pb") 
-        , DataKey(TStringBuilder() << settings.GetObjectKeyPattern() << Sprintf("/data_%02d.csv", shard)) 
-        , StorageClass(ConvertStorageClass(settings.GetStorageClass())) 
-    { 
-        Config.caPath = "/etc/ssl/certs"; 
-    } 
- 
-    static Aws::S3::Model::StorageClass ConvertStorageClass(Ydb::Export::ExportToS3Settings::StorageClass value) { 
-        using ExportToS3Settings = Ydb::Export::ExportToS3Settings; 
-        using AwsStorageClass = Aws::S3::Model::StorageClass; 
- 
-        switch (value) { 
-        case ExportToS3Settings::STORAGE_CLASS_UNSPECIFIED: 
-            return AwsStorageClass::NOT_SET; 
-        case ExportToS3Settings::STANDARD: 
-            return AwsStorageClass::STANDARD; 
-        case ExportToS3Settings::REDUCED_REDUNDANCY: 
-            return AwsStorageClass::REDUCED_REDUNDANCY; 
-        case ExportToS3Settings::STANDARD_IA: 
-            return AwsStorageClass::STANDARD_IA; 
-        case ExportToS3Settings::ONEZONE_IA: 
-            return AwsStorageClass::ONEZONE_IA; 
-        case ExportToS3Settings::INTELLIGENT_TIERING: 
-            return AwsStorageClass::INTELLIGENT_TIERING; 
-        case ExportToS3Settings::GLACIER: 
-            return AwsStorageClass::GLACIER; 
-        case ExportToS3Settings::DEEP_ARCHIVE: 
-            return AwsStorageClass::DEEP_ARCHIVE; 
-        case ExportToS3Settings::OUTPOSTS: 
-            return AwsStorageClass::OUTPOSTS; 
-        default: 
-            return AwsStorageClass::NOT_SET; 
-        } 
-    } 
- 
-public: 
+        : Config(ConfigFromSettings(settings))
+        , Credentials(CredentialsFromSettings(settings))
+        , Bucket(settings.GetBucket())
+        , SchemeKey(TStringBuilder() << settings.GetObjectKeyPattern() << "/scheme.pb")
+        , DataKey(TStringBuilder() << settings.GetObjectKeyPattern() << Sprintf("/data_%02d.csv", shard))
+        , StorageClass(ConvertStorageClass(settings.GetStorageClass()))
+    {
+        Config.caPath = "/etc/ssl/certs";
+    }
+
+    static Aws::S3::Model::StorageClass ConvertStorageClass(Ydb::Export::ExportToS3Settings::StorageClass value) {
+        using ExportToS3Settings = Ydb::Export::ExportToS3Settings;
+        using AwsStorageClass = Aws::S3::Model::StorageClass;
+
+        switch (value) {
+        case ExportToS3Settings::STORAGE_CLASS_UNSPECIFIED:
+            return AwsStorageClass::NOT_SET;
+        case ExportToS3Settings::STANDARD:
+            return AwsStorageClass::STANDARD;
+        case ExportToS3Settings::REDUCED_REDUNDANCY:
+            return AwsStorageClass::REDUCED_REDUNDANCY;
+        case ExportToS3Settings::STANDARD_IA:
+            return AwsStorageClass::STANDARD_IA;
+        case ExportToS3Settings::ONEZONE_IA:
+            return AwsStorageClass::ONEZONE_IA;
+        case ExportToS3Settings::INTELLIGENT_TIERING:
+            return AwsStorageClass::INTELLIGENT_TIERING;
+        case ExportToS3Settings::GLACIER:
+            return AwsStorageClass::GLACIER;
+        case ExportToS3Settings::DEEP_ARCHIVE:
+            return AwsStorageClass::DEEP_ARCHIVE;
+        case ExportToS3Settings::OUTPOSTS:
+            return AwsStorageClass::OUTPOSTS;
+        default:
+            return AwsStorageClass::NOT_SET;
+        }
+    }
+
+public:
     static TS3Settings FromBackupTask(const NKikimrSchemeOp::TBackupTask& task) {
-        return TS3Settings(task.GetS3Settings(), task.GetShardNum()); 
-    } 
- 
+        return TS3Settings(task.GetS3Settings(), task.GetShardNum());
+    }
+
     static TS3Settings FromRestoreTask(const NKikimrSchemeOp::TRestoreTask& task) {
-        return TS3Settings(task.GetS3Settings(), task.GetShardNum()); 
-    } 
- 
-}; // TS3Settings 
- 
+        return TS3Settings(task.GetS3Settings(), task.GetShardNum());
+    }
+
+}; // TS3Settings
+
 } // NDataShard
-} // NKikimr 
- 
-#endif // KIKIMR_DISABLE_S3_OPS 
+} // NKikimr
+
+#endif // KIKIMR_DISABLE_S3_OPS
diff --git a/ydb/core/tx/datashard/snapshot_key.h b/ydb/core/tx/datashard/snapshot_key.h
index fb59be9f44..7a742a6e8a 100644
--- a/ydb/core/tx/datashard/snapshot_key.h
+++ b/ydb/core/tx/datashard/snapshot_key.h
@@ -1,101 +1,101 @@
-#pragma once 
- 
-#include <util/generic/fwd.h> 
- 
-#include <tuple> 
- 
-namespace NKikimr { 
-namespace NDataShard { 
- 
-namespace NPrivate { 
- 
-template <typename T, size_t I = std::tuple_size<T>::value - 1> 
-size_t HashTuple(const T& tp) { 
-    if constexpr (I != 0) { 
-        return std::get<I>(tp) + 31 * HashTuple<T, I - 1>(tp); 
-    } else { 
-        return std::get<I>(tp); 
-    } 
-} 
- 
-template <typename TDerived> 
-struct TCommonOps { 
-    friend inline bool operator<(const TDerived& a, const TDerived& b) { 
-        return a.ToTuple() < b.ToTuple(); 
-    } 
- 
-    friend inline bool operator==(const TDerived& a, const TDerived& b) { 
-        return a.ToTuple() == b.ToTuple(); 
-    } 
- 
-    explicit operator size_t() const noexcept { 
-        return HashTuple(static_cast<const TDerived*>(this)->ToTuple()); 
-    } 
-}; 
- 
-} // NPrivate 
- 
-struct TSnapshotTableKey : public NPrivate::TCommonOps<TSnapshotTableKey> { 
-    ui64 OwnerId = 0; 
-    ui64 PathId = 0; 
- 
-    TSnapshotTableKey() = default; 
- 
-    TSnapshotTableKey(ui64 ownerId, ui64 pathId) 
-        : OwnerId(ownerId) 
-        , PathId(pathId) 
-    { } 
- 
-    auto ToTuple() const { 
-        return std::make_tuple(OwnerId, PathId); 
-    } 
- 
-    using TCommonOps<TSnapshotTableKey>::operator size_t; 
-}; 
- 
-struct TDataSnapshotKey 
-    : public TSnapshotTableKey 
-    , public NPrivate::TCommonOps<TDataSnapshotKey> 
-{ 
-    ui64 Step = 0; 
-    ui64 TxId = 0; 
- 
-    TDataSnapshotKey() = default; 
- 
-    TDataSnapshotKey(ui64 ownerId, ui64 pathId, ui64 step, ui64 txId) 
-        : TSnapshotTableKey(ownerId, pathId) 
-        , Step(step) 
-        , TxId(txId) 
-    { } 
- 
-    auto ToTuple() const { 
-        return std::tuple_cat(TSnapshotTableKey::ToTuple(), std::make_tuple(Step, TxId)); 
-    } 
- 
-    using TCommonOps<TDataSnapshotKey>::operator size_t; 
-}; 
- 
-using TSnapshotKey = TDataSnapshotKey; 
- 
-struct TSchemaSnapshotKey 
-    : public TSnapshotTableKey 
-    , public NPrivate::TCommonOps<TSchemaSnapshotKey> 
-{ 
-    ui64 Version = 0; 
- 
-    TSchemaSnapshotKey() = default; 
- 
-    TSchemaSnapshotKey(ui64 ownerId, ui64 pathId, ui64 version) 
-        : TSnapshotTableKey(ownerId, pathId) 
-        , Version(version) 
-    { } 
- 
-    auto ToTuple() const { 
-        return std::tuple_cat(TSnapshotTableKey::ToTuple(), std::make_tuple(Version)); 
-    } 
- 
-    using TCommonOps<TSchemaSnapshotKey>::operator size_t; 
-}; 
- 
-} // NDataShard 
-} // NKikimr 
+#pragma once
+
+#include <util/generic/fwd.h>
+
+#include <tuple>
+
+namespace NKikimr {
+namespace NDataShard {
+
+namespace NPrivate {
+
+template <typename T, size_t I = std::tuple_size<T>::value - 1>
+size_t HashTuple(const T& tp) {
+    if constexpr (I != 0) {
+        return std::get<I>(tp) + 31 * HashTuple<T, I - 1>(tp);
+    } else {
+        return std::get<I>(tp);
+    }
+}
+
+template <typename TDerived>
+struct TCommonOps {
+    friend inline bool operator<(const TDerived& a, const TDerived& b) {
+        return a.ToTuple() < b.ToTuple();
+    }
+
+    friend inline bool operator==(const TDerived& a, const TDerived& b) {
+        return a.ToTuple() == b.ToTuple();
+    }
+
+    explicit operator size_t() const noexcept {
+        return HashTuple(static_cast<const TDerived*>(this)->ToTuple());
+    }
+};
+
+} // NPrivate
+
+struct TSnapshotTableKey : public NPrivate::TCommonOps<TSnapshotTableKey> {
+    ui64 OwnerId = 0;
+    ui64 PathId = 0;
+
+    TSnapshotTableKey() = default;
+
+    TSnapshotTableKey(ui64 ownerId, ui64 pathId)
+        : OwnerId(ownerId)
+        , PathId(pathId)
+    { }
+
+    auto ToTuple() const {
+        return std::make_tuple(OwnerId, PathId);
+    }
+
+    using TCommonOps<TSnapshotTableKey>::operator size_t;
+};
+
+struct TDataSnapshotKey
+    : public TSnapshotTableKey
+    , public NPrivate::TCommonOps<TDataSnapshotKey>
+{
+    ui64 Step = 0;
+    ui64 TxId = 0;
+
+    TDataSnapshotKey() = default;
+
+    TDataSnapshotKey(ui64 ownerId, ui64 pathId, ui64 step, ui64 txId)
+        : TSnapshotTableKey(ownerId, pathId)
+        , Step(step)
+        , TxId(txId)
+    { }
+
+    auto ToTuple() const {
+        return std::tuple_cat(TSnapshotTableKey::ToTuple(), std::make_tuple(Step, TxId));
+    }
+
+    using TCommonOps<TDataSnapshotKey>::operator size_t;
+};
+
+using TSnapshotKey = TDataSnapshotKey;
+
+struct TSchemaSnapshotKey
+    : public TSnapshotTableKey
+    , public NPrivate::TCommonOps<TSchemaSnapshotKey>
+{
+    ui64 Version = 0;
+
+    TSchemaSnapshotKey() = default;
+
+    TSchemaSnapshotKey(ui64 ownerId, ui64 pathId, ui64 version)
+        : TSnapshotTableKey(ownerId, pathId)
+        , Version(version)
+    { }
+
+    auto ToTuple() const {
+        return std::tuple_cat(TSnapshotTableKey::ToTuple(), std::make_tuple(Version));
+    }
+
+    using TCommonOps<TSchemaSnapshotKey>::operator size_t;
+};
+
+} // NDataShard
+} // NKikimr
diff --git a/ydb/core/tx/datashard/store_distributed_erase_tx_unit.cpp b/ydb/core/tx/datashard/store_distributed_erase_tx_unit.cpp
index 152d343de3..bc78972d0d 100644
--- a/ydb/core/tx/datashard/store_distributed_erase_tx_unit.cpp
+++ b/ydb/core/tx/datashard/store_distributed_erase_tx_unit.cpp
@@ -1,42 +1,42 @@
-#include "datashard_active_transaction.h" 
-#include "datashard_pipeline.h" 
-#include "execution_unit_ctors.h" 
- 
-namespace NKikimr { 
+#include "datashard_active_transaction.h"
+#include "datashard_pipeline.h"
+#include "execution_unit_ctors.h"
+
+namespace NKikimr {
 namespace NDataShard {
- 
-class TStoreDistributedEraseTxUnit : public TExecutionUnit { 
-public: 
+
+class TStoreDistributedEraseTxUnit : public TExecutionUnit {
+public:
     TStoreDistributedEraseTxUnit(TDataShard& self, TPipeline& pipeline)
-        : TExecutionUnit(EExecutionUnitKind::StoreDistributedEraseTx, false, self, pipeline) 
-    { 
-    } 
- 
-    bool IsReadyToExecute(TOperation::TPtr) const override { 
-        return true; 
-    } 
- 
+        : TExecutionUnit(EExecutionUnitKind::StoreDistributedEraseTx, false, self, pipeline)
+    {
+    }
+
+    bool IsReadyToExecute(TOperation::TPtr) const override {
+        return true;
+    }
+
     EExecutionStatus Execute(TOperation::TPtr op, TTransactionContext& txc, const TActorContext& ctx) override {
-        Y_VERIFY(op->IsDistributedEraseTx()); 
- 
-        TActiveTransaction* tx = dynamic_cast<TActiveTransaction*>(op.Get()); 
-        Y_VERIFY_S(tx, "cannot cast operation of kind " << op->GetKind()); 
- 
+        Y_VERIFY(op->IsDistributedEraseTx());
+
+        TActiveTransaction* tx = dynamic_cast<TActiveTransaction*>(op.Get());
+        Y_VERIFY_S(tx, "cannot cast operation of kind " << op->GetKind());
+
         Pipeline.ProposeTx(op, tx->GetTxBody(), txc, ctx);
-        tx->ClearTxBody(); 
-        tx->ClearDistributedEraseTx(); 
- 
+        tx->ClearTxBody();
+        tx->ClearDistributedEraseTx();
+
         return EExecutionStatus::DelayCompleteNoMoreRestarts;
-    } 
- 
+    }
+
     void Complete(TOperation::TPtr op, const TActorContext& ctx) override {
         Pipeline.ProposeComplete(op, ctx);
-    } 
-}; 
- 
+    }
+};
+
 THolder<TExecutionUnit> CreateStoreDistributedEraseTxUnit(TDataShard& self, TPipeline& pipeline) {
-    return THolder(new TStoreDistributedEraseTxUnit(self, pipeline)); 
-} 
- 
+    return THolder(new TStoreDistributedEraseTxUnit(self, pipeline));
+}
+
 } // namespace NDataShard
-} // namespace NKikimr 
+} // namespace NKikimr
diff --git a/ydb/core/tx/datashard/store_scheme_tx_unit.cpp b/ydb/core/tx/datashard/store_scheme_tx_unit.cpp
index fa54f12b84..6b1d8af9ed 100644
--- a/ydb/core/tx/datashard/store_scheme_tx_unit.cpp
+++ b/ydb/core/tx/datashard/store_scheme_tx_unit.cpp
@@ -76,9 +76,9 @@ EExecutionStatus TStoreSchemeTxUnit::Execute(TOperation::TPtr op,
         DataShard.PersistProcessingParams(tx->GetProcessingParams(), txc);
     }
 
-    TSchemaOperation schemeOp(op->GetTxId(), tx->GetSchemeTxType(), op->GetTarget(), 
+    TSchemaOperation schemeOp(op->GetTxId(), tx->GetSchemeTxType(), op->GetTarget(),
                              tx->GetSchemeShardId(), op->GetMinStep(), op->GetMaxStep(),
-                             0, op->IsReadOnly(), false, TString(), 0, 0); 
+                             0, op->IsReadOnly(), false, TString(), 0, 0);
     Pipeline.ProposeSchemeTx(schemeOp, txc);
 
     Pipeline.ProposeTx(op, tx->GetTxBody(), txc, ctx);
diff --git a/ydb/core/tx/datashard/ya.make b/ydb/core/tx/datashard/ya.make
index 5d7ee4a186..9c98e8e79b 100644
--- a/ydb/core/tx/datashard/ya.make
+++ b/ydb/core/tx/datashard/ya.make
@@ -6,34 +6,34 @@ OWNER(
 )
 
 SRCS(
-    alter_cdc_stream_unit.cpp 
+    alter_cdc_stream_unit.cpp
     alter_table_unit.cpp
     backup_unit.cpp
     build_and_wait_dependencies_unit.cpp
     build_data_tx_out_rs_unit.cpp
-    build_distributed_erase_tx_out_rs_unit.cpp 
+    build_distributed_erase_tx_out_rs_unit.cpp
     build_kqp_data_tx_out_rs_unit.cpp
     build_scheme_tx_out_rs_unit.cpp
-    change_collector_async_index.cpp 
-    change_collector_base.cpp 
-    change_collector_cdc_stream.cpp 
-    change_collector_helpers.cpp 
-    change_collector.cpp 
-    change_exchange.cpp 
-    change_exchange_split.cpp 
-    change_record.cpp 
-    change_sender.cpp 
-    change_sender_async_index.cpp 
-    change_sender_cdc_stream.cpp 
-    change_sender_common_ops.cpp 
+    change_collector_async_index.cpp
+    change_collector_base.cpp
+    change_collector_cdc_stream.cpp
+    change_collector_helpers.cpp
+    change_collector.cpp
+    change_exchange.cpp
+    change_exchange_split.cpp
+    change_record.cpp
+    change_sender.cpp
+    change_sender_async_index.cpp
+    change_sender_cdc_stream.cpp
+    change_sender_common_ops.cpp
     check_commit_writes_tx_unit.cpp
     check_data_tx_unit.cpp
-    check_distributed_erase_tx_unit.cpp 
+    check_distributed_erase_tx_unit.cpp
     check_scheme_tx_unit.cpp
     check_snapshot_tx_unit.cpp
     complete_data_tx_unit.cpp
     completed_operations_unit.cpp
-    create_cdc_stream_unit.cpp 
+    create_cdc_stream_unit.cpp
     create_persistent_snapshot_unit.cpp
     create_table_unit.cpp
     create_volatile_snapshot_unit.cpp
@@ -44,16 +44,16 @@ SRCS(
     datashard__cleanup_borrowed.cpp
     datashard__cleanup_in_rs.cpp
     datashard__cleanup_tx.cpp
-    datashard__conditional_erase_rows.cpp 
+    datashard__conditional_erase_rows.cpp
     datashard__engine_host.cpp
     datashard__engine_host.h
     datashard__get_state_tx.cpp
     datashard__schema_changed.cpp
     datashard__migrate_schemeshard.cpp
     datashard__init.cpp
-    datashard__monitoring.cpp 
+    datashard__monitoring.cpp
     datashard__mon_reset_schema_version.cpp
-    datashard__op_rows.cpp 
+    datashard__op_rows.cpp
     datashard__plan_step.cpp
     datashard__progress_resend_rs.cpp
     datashard__progress_tx.cpp
@@ -62,16 +62,16 @@ SRCS(
     datashard__read_iterator.cpp
     datashard__read_columns.cpp
     datashard__s3.cpp
-    datashard__s3_download_txs.cpp 
-    datashard__s3_upload_txs.cpp 
+    datashard__s3_download_txs.cpp
+    datashard__s3_upload_txs.cpp
     datashard__kqp_scan.cpp
     datashard__snapshot_txs.cpp
     datashard__stats.cpp
     datashard__store_table_path.cpp
     datashard__store_scan_state.cpp
-    datashard_change_receiving.cpp 
-    datashard_change_sender_activation.cpp 
-    datashard_change_sending.cpp 
+    datashard_change_receiving.cpp
+    datashard_change_sender_activation.cpp
+    datashard_change_sending.cpp
     datashard_counters.cpp
     datashard_loans.cpp
     datashard_locks.h
@@ -85,23 +85,23 @@ SRCS(
     datashard_outreadset.h
     datashard_active_transaction.cpp
     datashard_active_transaction.h
-    datashard_common_upload.cpp 
+    datashard_common_upload.cpp
     datashard_direct_transaction.cpp
     datashard_direct_transaction.h
-    datashard_direct_erase.cpp 
-    datashard_direct_upload.cpp 
-    datashard_distributed_erase.cpp 
+    datashard_direct_erase.cpp
+    datashard_direct_upload.cpp
+    datashard_distributed_erase.cpp
     datashard_failpoints.cpp
     datashard_failpoints.h
     datashard_dep_tracker.cpp
     datashard_dep_tracker.h
     datashard_pipeline.cpp
     datashard_pipeline.h
-    datashard_s3_downloads.cpp 
-    datashard_s3_uploads.cpp 
-    datashard_schema_snapshots.cpp 
+    datashard_s3_downloads.cpp
+    datashard_s3_uploads.cpp
+    datashard_schema_snapshots.cpp
     datashard_snapshots.cpp
-    datashard_unsafe_upload.cpp 
+    datashard_unsafe_upload.cpp
     datashard_user_table.cpp
     datashard_user_table.h
     datashard_impl.h
@@ -123,29 +123,29 @@ SRCS(
     datashard.cpp
     datashard.h
     defs.h
-    direct_tx_unit.cpp 
-    drop_cdc_stream_unit.cpp 
+    direct_tx_unit.cpp
+    drop_cdc_stream_unit.cpp
     drop_index_notice_unit.cpp
     drop_persistent_snapshot_unit.cpp
     drop_table_unit.cpp
     drop_volatile_snapshot_unit.cpp
-    erase_rows_condition.cpp 
+    erase_rows_condition.cpp
     execute_commit_writes_tx_unit.cpp
     execute_data_tx_unit.cpp
-    execute_distributed_erase_tx_unit.cpp 
+    execute_distributed_erase_tx_unit.cpp
     execute_kqp_data_tx_unit.cpp
     execute_kqp_scan_tx_unit.cpp
     execution_unit.cpp
     execution_unit.h
     execution_unit_ctors.h
     execution_unit_kind.h
-    export_common.cpp 
+    export_common.cpp
     export_iface.cpp
     export_iface.h
-    export_scan.cpp 
-    finalize_build_index_unit.cpp 
+    export_scan.cpp
+    finalize_build_index_unit.cpp
     finish_propose_unit.cpp
-    initiate_build_index_unit.cpp 
+    initiate_build_index_unit.cpp
     key_conflicts.cpp
     key_conflicts.h
     load_and_wait_in_rs_unit.cpp
@@ -157,7 +157,7 @@ SRCS(
     operation.h
     plan_queue_unit.cpp
     prepare_data_tx_in_rs_unit.cpp
-    prepare_distributed_erase_tx_in_rs_unit.cpp 
+    prepare_distributed_erase_tx_in_rs_unit.cpp
     prepare_kqp_data_tx_in_rs_unit.cpp
     prepare_scheme_tx_in_rs_unit.cpp
     progress_queue.h
@@ -170,12 +170,12 @@ SRCS(
     range_ops.cpp
     range_treap.cpp
     read_iterator.h
-    restore_unit.cpp 
+    restore_unit.cpp
     setup_sys_locks.h
     store_and_send_out_rs_unit.cpp
     store_commit_writes_tx_unit.cpp
     store_data_tx_unit.cpp
-    store_distributed_erase_tx_unit.cpp 
+    store_distributed_erase_tx_unit.cpp
     store_scheme_tx_unit.cpp
     store_snapshot_tx_unit.cpp
     wait_for_plan_unit.cpp
@@ -183,15 +183,15 @@ SRCS(
     upload_stats.cpp
 )
 
-GENERATE_ENUM_SERIALIZATION(change_exchange.h) 
+GENERATE_ENUM_SERIALIZATION(change_exchange.h)
 
-GENERATE_ENUM_SERIALIZATION(change_record.h) 
+GENERATE_ENUM_SERIALIZATION(change_record.h)
 
 GENERATE_ENUM_SERIALIZATION(datashard.h)
 
 GENERATE_ENUM_SERIALIZATION(datashard_active_transaction.h)
 
-GENERATE_ENUM_SERIALIZATION(datashard_s3_upload.h) 
+GENERATE_ENUM_SERIALIZATION(datashard_s3_upload.h)
 
 GENERATE_ENUM_SERIALIZATION(execution_unit.h)
 
@@ -237,14 +237,14 @@ IF (OS_WINDOWS)
     CFLAGS(
         -DKIKIMR_DISABLE_S3_OPS
     )
-ELSE() 
+ELSE()
     SRCS(
-        export_s3_buffer.cpp 
-        export_s3_uploader.cpp 
+        export_s3_buffer.cpp
+        export_s3_uploader.cpp
         import_s3.cpp
     )
-ENDIF() 
- 
+ENDIF()
+
 END()
 
 RECURSE_FOR_TESTS(
diff --git a/ydb/core/tx/long_tx_service/long_tx_service_ut.cpp b/ydb/core/tx/long_tx_service/long_tx_service_ut.cpp
index 284d0ba79a..1a2375e15f 100644
--- a/ydb/core/tx/long_tx_service/long_tx_service_ut.cpp
+++ b/ydb/core/tx/long_tx_service/long_tx_service_ut.cpp
@@ -61,8 +61,8 @@ Y_UNIT_TEST_SUITE(LongTxService) {
 
         void StartSchemeCache(TTestActorRuntime& runtime, const TString& root = DOMAIN1_NAME) {
             for (ui32 nodeIndex = 0; nodeIndex < runtime.GetNodeCount(); ++nodeIndex) {
-                auto cacheConfig = MakeIntrusive<NSchemeCache::TSchemeCacheConfig>(); 
-                cacheConfig->Roots.emplace_back(1, SCHEME_SHARD1_ID, root); 
+                auto cacheConfig = MakeIntrusive<NSchemeCache::TSchemeCacheConfig>();
+                cacheConfig->Roots.emplace_back(1, SCHEME_SHARD1_ID, root);
                 cacheConfig->Counters = new NMonitoring::TDynamicCounters();
 
                 IActor* schemeCache = CreateSchemeBoardSchemeCache(cacheConfig.Get());
diff --git a/ydb/core/tx/replication/controller/controller.cpp b/ydb/core/tx/replication/controller/controller.cpp
index 77256b3263..4dc4258931 100644
--- a/ydb/core/tx/replication/controller/controller.cpp
+++ b/ydb/core/tx/replication/controller/controller.cpp
@@ -1,143 +1,143 @@
-#include "controller.h" 
-#include "controller_impl.h" 
- 
+#include "controller.h"
+#include "controller_impl.h"
+
 #include <ydb/core/engine/minikql/flat_local_tx_factory.h>
- 
-namespace NKikimr { 
-namespace NReplication { 
-namespace NController { 
- 
-TController::TController(const TActorId& tablet, TTabletStorageInfo* info) 
-    : TActor(&TThis::StateInit) 
-    , TTabletExecutedFlat(info, tablet, new NMiniKQL::TMiniKQLFactory) 
-    , LogPrefix(this) 
-{ 
-} 
- 
-void TController::OnDetach(const TActorContext& ctx) { 
-    CLOG_T(ctx, "OnDetach"); 
-    Die(ctx); 
-} 
- 
-void TController::OnTabletDead(TEvTablet::TEvTabletDead::TPtr&, const TActorContext& ctx) { 
-    CLOG_T(ctx, "OnTabletDead"); 
-    Die(ctx); 
-} 
- 
-void TController::OnActivateExecutor(const TActorContext& ctx) { 
-    CLOG_T(ctx, "OnActivateExecutor"); 
-    RunTxInitSchema(ctx); 
-} 
- 
-void TController::DefaultSignalTabletActive(const TActorContext&) { 
-    // nop 
-} 
- 
-STFUNC(TController::StateInit) { 
-    switch (ev->GetTypeRewrite()) { 
-        HFunc(TEvents::TEvPoison, Handle); 
-    default: 
-        return StateInitImpl(ev, ctx); 
-    } 
-} 
- 
-STFUNC(TController::StateZombie) { 
-    StateInitImpl(ev, ctx); 
-} 
- 
-STFUNC(TController::StateWork) { 
-    switch (ev->GetTypeRewrite()) { 
-        HFunc(TEvController::TEvCreateReplication, Handle); 
-        HFunc(TEvController::TEvDropReplication, Handle); 
-        HFunc(TEvPrivate::TEvDiscoveryResult, Handle); 
-        HFunc(TEvPrivate::TEvAssignStreamName, Handle); 
-        HFunc(TEvPrivate::TEvCreateStreamResult, Handle); 
-        HFunc(TEvPrivate::TEvCreateDstResult, Handle); 
-        HFunc(TEvents::TEvPoison, Handle); 
-    } 
-} 
- 
-void TController::SwitchToWork(const TActorContext& ctx) { 
-    CLOG_T(ctx, "SwitchToWork"); 
- 
-    SignalTabletActive(ctx); 
-    Become(&TThis::StateWork); 
- 
-    for (auto& [_, replication] : Replications) { 
-        replication->Progress(ctx); 
-    } 
-} 
- 
-void TController::Reset() { 
-    SysParams.Reset(); 
-    Replications.clear(); 
-    ReplicationsByPathId.clear(); 
-} 
- 
-void TController::Handle(TEvController::TEvCreateReplication::TPtr& ev, const TActorContext& ctx) { 
-    CLOG_T(ctx, "Handle " << ev->Get()->ToString()); 
-    RunTxCreateReplication(ev, ctx); 
-} 
- 
-void TController::Handle(TEvController::TEvDropReplication::TPtr& ev, const TActorContext& ctx) { 
-    CLOG_T(ctx, "Handle " << ev->Get()->ToString()); 
-    RunTxDropReplication(ev, ctx); 
-} 
- 
-void TController::Handle(TEvPrivate::TEvDiscoveryResult::TPtr& ev, const TActorContext& ctx) { 
-    CLOG_T(ctx, "Handle " << ev->Get()->ToString()); 
-    RunTxDiscoveryResult(ev, ctx); 
-} 
- 
-void TController::Handle(TEvPrivate::TEvAssignStreamName::TPtr& ev, const TActorContext& ctx) { 
-    CLOG_T(ctx, "Handle " << ev->Get()->ToString()); 
-    RunTxAssignStreamName(ev, ctx); 
-} 
- 
-void TController::Handle(TEvPrivate::TEvCreateStreamResult::TPtr& ev, const TActorContext& ctx) { 
-    CLOG_T(ctx, "Handle " << ev->Get()->ToString()); 
-    RunTxCreateStreamResult(ev, ctx); 
-} 
- 
-void TController::Handle(TEvPrivate::TEvCreateDstResult::TPtr& ev, const TActorContext& ctx) { 
-    CLOG_T(ctx, "Handle " << ev->Get()->ToString()); 
-    RunTxCreateDstResult(ev, ctx); 
-} 
- 
-void TController::Handle(TEvents::TEvPoison::TPtr& ev, const TActorContext& ctx) { 
-    CLOG_T(ctx, "Handle " << ev->Get()->ToString()); 
- 
-    for (auto& [_, replication] : Replications) { 
-        replication->Shutdown(ctx); 
-    } 
- 
-    Send(Tablet(), new TEvents::TEvPoison()); 
-    Become(&TThis::StateZombie); 
-} 
- 
-TReplication::TPtr TController::Find(ui64 id) { 
-    auto it = Replications.find(id); 
-    if (it == Replications.end()) { 
-        return nullptr; 
-    } 
- 
-    return it->second; 
-} 
- 
-TReplication::TPtr TController::Find(const TPathId& pathId) { 
-    auto it = ReplicationsByPathId.find(pathId); 
-    if (it == ReplicationsByPathId.end()) { 
-        return nullptr; 
-    } 
- 
-    return it->second; 
-} 
- 
-} // NController 
- 
-IActor* CreateController(const TActorId& tablet, TTabletStorageInfo* info) { 
-    return new NController::TController(tablet, info); 
-} 
- 
-} // NReplication 
-} // NKikimr 
+
+namespace NKikimr {
+namespace NReplication {
+namespace NController {
+
+TController::TController(const TActorId& tablet, TTabletStorageInfo* info)
+    : TActor(&TThis::StateInit)
+    , TTabletExecutedFlat(info, tablet, new NMiniKQL::TMiniKQLFactory)
+    , LogPrefix(this)
+{
+}
+
+void TController::OnDetach(const TActorContext& ctx) {
+    CLOG_T(ctx, "OnDetach");
+    Die(ctx);
+}
+
+void TController::OnTabletDead(TEvTablet::TEvTabletDead::TPtr&, const TActorContext& ctx) {
+    CLOG_T(ctx, "OnTabletDead");
+    Die(ctx);
+}
+
+void TController::OnActivateExecutor(const TActorContext& ctx) {
+    CLOG_T(ctx, "OnActivateExecutor");
+    RunTxInitSchema(ctx);
+}
+
+void TController::DefaultSignalTabletActive(const TActorContext&) {
+    // nop
+}
+
+STFUNC(TController::StateInit) {
+    switch (ev->GetTypeRewrite()) {
+        HFunc(TEvents::TEvPoison, Handle);
+    default:
+        return StateInitImpl(ev, ctx);
+    }
+}
+
+STFUNC(TController::StateZombie) {
+    StateInitImpl(ev, ctx);
+}
+
+STFUNC(TController::StateWork) {
+    switch (ev->GetTypeRewrite()) {
+        HFunc(TEvController::TEvCreateReplication, Handle);
+        HFunc(TEvController::TEvDropReplication, Handle);
+        HFunc(TEvPrivate::TEvDiscoveryResult, Handle);
+        HFunc(TEvPrivate::TEvAssignStreamName, Handle);
+        HFunc(TEvPrivate::TEvCreateStreamResult, Handle);
+        HFunc(TEvPrivate::TEvCreateDstResult, Handle);
+        HFunc(TEvents::TEvPoison, Handle);
+    }
+}
+
+void TController::SwitchToWork(const TActorContext& ctx) {
+    CLOG_T(ctx, "SwitchToWork");
+
+    SignalTabletActive(ctx);
+    Become(&TThis::StateWork);
+
+    for (auto& [_, replication] : Replications) {
+        replication->Progress(ctx);
+    }
+}
+
+void TController::Reset() {
+    SysParams.Reset();
+    Replications.clear();
+    ReplicationsByPathId.clear();
+}
+
+void TController::Handle(TEvController::TEvCreateReplication::TPtr& ev, const TActorContext& ctx) {
+    CLOG_T(ctx, "Handle " << ev->Get()->ToString());
+    RunTxCreateReplication(ev, ctx);
+}
+
+void TController::Handle(TEvController::TEvDropReplication::TPtr& ev, const TActorContext& ctx) {
+    CLOG_T(ctx, "Handle " << ev->Get()->ToString());
+    RunTxDropReplication(ev, ctx);
+}
+
+void TController::Handle(TEvPrivate::TEvDiscoveryResult::TPtr& ev, const TActorContext& ctx) {
+    CLOG_T(ctx, "Handle " << ev->Get()->ToString());
+    RunTxDiscoveryResult(ev, ctx);
+}
+
+void TController::Handle(TEvPrivate::TEvAssignStreamName::TPtr& ev, const TActorContext& ctx) {
+    CLOG_T(ctx, "Handle " << ev->Get()->ToString());
+    RunTxAssignStreamName(ev, ctx);
+}
+
+void TController::Handle(TEvPrivate::TEvCreateStreamResult::TPtr& ev, const TActorContext& ctx) {
+    CLOG_T(ctx, "Handle " << ev->Get()->ToString());
+    RunTxCreateStreamResult(ev, ctx);
+}
+
+void TController::Handle(TEvPrivate::TEvCreateDstResult::TPtr& ev, const TActorContext& ctx) {
+    CLOG_T(ctx, "Handle " << ev->Get()->ToString());
+    RunTxCreateDstResult(ev, ctx);
+}
+
+void TController::Handle(TEvents::TEvPoison::TPtr& ev, const TActorContext& ctx) {
+    CLOG_T(ctx, "Handle " << ev->Get()->ToString());
+
+    for (auto& [_, replication] : Replications) {
+        replication->Shutdown(ctx);
+    }
+
+    Send(Tablet(), new TEvents::TEvPoison());
+    Become(&TThis::StateZombie);
+}
+
+TReplication::TPtr TController::Find(ui64 id) {
+    auto it = Replications.find(id);
+    if (it == Replications.end()) {
+        return nullptr;
+    }
+
+    return it->second;
+}
+
+TReplication::TPtr TController::Find(const TPathId& pathId) {
+    auto it = ReplicationsByPathId.find(pathId);
+    if (it == ReplicationsByPathId.end()) {
+        return nullptr;
+    }
+
+    return it->second;
+}
+
+} // NController
+
+IActor* CreateController(const TActorId& tablet, TTabletStorageInfo* info) {
+    return new NController::TController(tablet, info);
+}
+
+} // NReplication
+} // NKikimr
diff --git a/ydb/core/tx/replication/controller/controller.h b/ydb/core/tx/replication/controller/controller.h
index fe15840878..8a7594472a 100644
--- a/ydb/core/tx/replication/controller/controller.h
+++ b/ydb/core/tx/replication/controller/controller.h
@@ -1,12 +1,12 @@
-#pragma once 
- 
+#pragma once
+
 #include <ydb/core/base/blobstorage.h>
 #include <ydb/core/base/defs.h>
- 
-namespace NKikimr { 
-namespace NReplication { 
- 
-IActor* CreateController(const TActorId& tablet, TTabletStorageInfo* info); 
- 
-} // NReplication 
-} // NKikimr 
+
+namespace NKikimr {
+namespace NReplication {
+
+IActor* CreateController(const TActorId& tablet, TTabletStorageInfo* info);
+
+} // NReplication
+} // NKikimr
diff --git a/ydb/core/tx/replication/controller/controller_impl.h b/ydb/core/tx/replication/controller/controller_impl.h
index 9f42990638..145fb5b0f3 100644
--- a/ydb/core/tx/replication/controller/controller_impl.h
+++ b/ydb/core/tx/replication/controller/controller_impl.h
@@ -1,123 +1,123 @@
-#pragma once 
- 
-#include "logging.h" 
-#include "private_events.h" 
-#include "public_events.h" 
-#include "replication.h" 
-#include "schema.h" 
-#include "sys_params.h" 
- 
+#pragma once
+
+#include "logging.h"
+#include "private_events.h"
+#include "public_events.h"
+#include "replication.h"
+#include "schema.h"
+#include "sys_params.h"
+
 #include <ydb/core/base/blobstorage.h>
 #include <ydb/core/base/defs.h>
 #include <ydb/core/protos/counters_replication.pb.h>
 #include <ydb/core/tablet_flat/tablet_flat_executed.h>
-#include <ydb/core/util/yverify_stream.h> 
- 
-#include <util/generic/hash.h> 
- 
-namespace NKikimr { 
-namespace NReplication { 
-namespace NController { 
- 
-class TController 
-    : public TActor<TController> 
-    , public NTabletFlatExecutor::TTabletExecutedFlat 
-{ 
-public: 
-    class TTxBase: public NTabletFlatExecutor::TTransactionBase<TController> { 
-    public: 
-        TTxBase(const TString& name, TController* self) 
-            : TTransactionBase(self) 
-            , LogPrefix(self, name) 
-        { 
-        } 
- 
-    protected: 
-        const TTabletLogPrefix LogPrefix; 
-    }; 
- 
-private: 
-    using Schema = TControllerSchema; 
- 
-public: 
-    static constexpr NKikimrServices::TActivity::EType ActorActivityType() { 
-        return NKikimrServices::TActivity::REPLICATION_CONTROLLER_ACTOR; 
-    } 
- 
-    explicit TController(const TActorId& tablet, TTabletStorageInfo* info); 
- 
-private: 
-    // tablet overrides 
-    void OnDetach(const TActorContext& ctx) override; 
-    void OnTabletDead(TEvTablet::TEvTabletDead::TPtr& ev, const TActorContext& ctx) override; 
-    void OnActivateExecutor(const TActorContext& ctx) override; 
-    void DefaultSignalTabletActive(const TActorContext& ctx) override; 
- 
-    // state functions 
-    STFUNC(StateInit); 
-    STFUNC(StateZombie); 
-    STFUNC(StateWork); 
- 
-    void SwitchToWork(const TActorContext& ctx); 
-    void Reset(); 
- 
-    // handlers 
-    void Handle(TEvController::TEvCreateReplication::TPtr& ev, const TActorContext& ctx); 
-    void Handle(TEvController::TEvDropReplication::TPtr& ev, const TActorContext& ctx); 
-    void Handle(TEvPrivate::TEvDiscoveryResult::TPtr& ev, const TActorContext& ctx); 
-    void Handle(TEvPrivate::TEvAssignStreamName::TPtr& ev, const TActorContext& ctx); 
-    void Handle(TEvPrivate::TEvCreateStreamResult::TPtr& ev, const TActorContext& ctx); 
-    void Handle(TEvPrivate::TEvCreateDstResult::TPtr& ev, const TActorContext& ctx); 
-    void Handle(TEvents::TEvPoison::TPtr& ev, const TActorContext& ctx); 
- 
-    // local transactions 
-    class TTxInitSchema; 
-    class TTxInit; 
-    class TTxCreateReplication; 
-    class TTxDropReplication; 
-    class TTxDiscoveryResult; 
-    class TTxAssignStreamName; 
-    class TTxCreateStreamResult; 
-    class TTxCreateDstResult; 
- 
-    // tx runners 
-    void RunTxInitSchema(const TActorContext& ctx); 
-    void RunTxInit(const TActorContext& ctx); 
-    void RunTxCreateReplication(TEvController::TEvCreateReplication::TPtr& ev, const TActorContext& ctx); 
-    void RunTxDropReplication(TEvController::TEvDropReplication::TPtr& ev, const TActorContext& ctx); 
-    void RunTxDiscoveryResult(TEvPrivate::TEvDiscoveryResult::TPtr& ev, const TActorContext& ctx); 
-    void RunTxAssignStreamName(TEvPrivate::TEvAssignStreamName::TPtr& ev, const TActorContext& ctx); 
-    void RunTxCreateStreamResult(TEvPrivate::TEvCreateStreamResult::TPtr& ev, const TActorContext& ctx); 
-    void RunTxCreateDstResult(TEvPrivate::TEvCreateDstResult::TPtr& ev, const TActorContext& ctx); 
- 
-    // other 
-    template <typename T> 
-    TReplication::TPtr Add(ui64 id, const TPathId& pathId, T&& config) { 
-        auto replication = MakeIntrusive<TReplication>(id, pathId, std::forward<T>(config)); 
-        { 
-            const auto res = Replications.emplace(id, replication); 
-            Y_VERIFY_S(res.second, "Duplication replication: " << id); 
-        } 
-        { 
-            const auto res = ReplicationsByPathId.emplace(pathId, replication); 
-            Y_VERIFY_S(res.second, "Duplication replication: " << pathId); 
-        } 
- 
-        return replication; 
-    } 
- 
-    TReplication::TPtr Find(ui64 id); 
-    TReplication::TPtr Find(const TPathId& pathId); 
- 
-private: 
-    const TTabletLogPrefix LogPrefix; 
- 
-    TSysParams SysParams; 
-    THashMap<ui64, TReplication::TPtr> Replications; 
-    THashMap<TPathId, TReplication::TPtr> ReplicationsByPathId; 
- 
-}; // TController 
- 
-} // NController 
-} // NReplication 
-} // NKikimr 
+#include <ydb/core/util/yverify_stream.h>
+
+#include <util/generic/hash.h>
+
+namespace NKikimr {
+namespace NReplication {
+namespace NController {
+
+class TController
+    : public TActor<TController>
+    , public NTabletFlatExecutor::TTabletExecutedFlat
+{
+public:
+    class TTxBase: public NTabletFlatExecutor::TTransactionBase<TController> {
+    public:
+        TTxBase(const TString& name, TController* self)
+            : TTransactionBase(self)
+            , LogPrefix(self, name)
+        {
+        }
+
+    protected:
+        const TTabletLogPrefix LogPrefix;
+    };
+
+private:
+    using Schema = TControllerSchema;
+
+public:
+    static constexpr NKikimrServices::TActivity::EType ActorActivityType() {
+        return NKikimrServices::TActivity::REPLICATION_CONTROLLER_ACTOR;
+    }
+
+    explicit TController(const TActorId& tablet, TTabletStorageInfo* info);
+
+private:
+    // tablet overrides
+    void OnDetach(const TActorContext& ctx) override;
+    void OnTabletDead(TEvTablet::TEvTabletDead::TPtr& ev, const TActorContext& ctx) override;
+    void OnActivateExecutor(const TActorContext& ctx) override;
+    void DefaultSignalTabletActive(const TActorContext& ctx) override;
+
+    // state functions
+    STFUNC(StateInit);
+    STFUNC(StateZombie);
+    STFUNC(StateWork);
+
+    void SwitchToWork(const TActorContext& ctx);
+    void Reset();
+
+    // handlers
+    void Handle(TEvController::TEvCreateReplication::TPtr& ev, const TActorContext& ctx);
+    void Handle(TEvController::TEvDropReplication::TPtr& ev, const TActorContext& ctx);
+    void Handle(TEvPrivate::TEvDiscoveryResult::TPtr& ev, const TActorContext& ctx);
+    void Handle(TEvPrivate::TEvAssignStreamName::TPtr& ev, const TActorContext& ctx);
+    void Handle(TEvPrivate::TEvCreateStreamResult::TPtr& ev, const TActorContext& ctx);
+    void Handle(TEvPrivate::TEvCreateDstResult::TPtr& ev, const TActorContext& ctx);
+    void Handle(TEvents::TEvPoison::TPtr& ev, const TActorContext& ctx);
+
+    // local transactions
+    class TTxInitSchema;
+    class TTxInit;
+    class TTxCreateReplication;
+    class TTxDropReplication;
+    class TTxDiscoveryResult;
+    class TTxAssignStreamName;
+    class TTxCreateStreamResult;
+    class TTxCreateDstResult;
+
+    // tx runners
+    void RunTxInitSchema(const TActorContext& ctx);
+    void RunTxInit(const TActorContext& ctx);
+    void RunTxCreateReplication(TEvController::TEvCreateReplication::TPtr& ev, const TActorContext& ctx);
+    void RunTxDropReplication(TEvController::TEvDropReplication::TPtr& ev, const TActorContext& ctx);
+    void RunTxDiscoveryResult(TEvPrivate::TEvDiscoveryResult::TPtr& ev, const TActorContext& ctx);
+    void RunTxAssignStreamName(TEvPrivate::TEvAssignStreamName::TPtr& ev, const TActorContext& ctx);
+    void RunTxCreateStreamResult(TEvPrivate::TEvCreateStreamResult::TPtr& ev, const TActorContext& ctx);
+    void RunTxCreateDstResult(TEvPrivate::TEvCreateDstResult::TPtr& ev, const TActorContext& ctx);
+
+    // other
+    template <typename T>
+    TReplication::TPtr Add(ui64 id, const TPathId& pathId, T&& config) {
+        auto replication = MakeIntrusive<TReplication>(id, pathId, std::forward<T>(config));
+        {
+            const auto res = Replications.emplace(id, replication);
+            Y_VERIFY_S(res.second, "Duplication replication: " << id);
+        }
+        {
+            const auto res = ReplicationsByPathId.emplace(pathId, replication);
+            Y_VERIFY_S(res.second, "Duplication replication: " << pathId);
+        }
+
+        return replication;
+    }
+
+    TReplication::TPtr Find(ui64 id);
+    TReplication::TPtr Find(const TPathId& pathId);
+
+private:
+    const TTabletLogPrefix LogPrefix;
+
+    TSysParams SysParams;
+    THashMap<ui64, TReplication::TPtr> Replications;
+    THashMap<TPathId, TReplication::TPtr> ReplicationsByPathId;
+
+}; // TController
+
+} // NController
+} // NReplication
+} // NKikimr
diff --git a/ydb/core/tx/replication/controller/discoverer.cpp b/ydb/core/tx/replication/controller/discoverer.cpp
index 6ec1c865ce..6d4e1dec0b 100644
--- a/ydb/core/tx/replication/controller/discoverer.cpp
+++ b/ydb/core/tx/replication/controller/discoverer.cpp
@@ -1,152 +1,152 @@
-#include "discoverer.h" 
-#include "logging.h" 
-#include "private_events.h" 
-#include "util.h" 
- 
-#include <library/cpp/actors/core/actor_bootstrapped.h> 
-#include <library/cpp/actors/core/hfunc.h> 
- 
-#include <ydb/core/tx/replication/ydb_proxy/ydb_proxy.h> 
- 
-#include <util/generic/hash_set.h> 
- 
-namespace NKikimr { 
-namespace NReplication { 
-namespace NController { 
- 
-class TDiscoverer: public TActorBootstrapped<TDiscoverer> { 
-    void DescribePath(ui32 idx) { 
-        Y_VERIFY(idx < Paths.size()); 
-        Send(YdbProxy, new TEvYdbProxy::TEvDescribePathRequest(Paths.at(idx).first, {}), 0, idx); 
-        Pending.insert(idx); 
-    } 
- 
-    void Handle(TEvYdbProxy::TEvDescribePathResponse::TPtr& ev) { 
-        LOG_T("Handle " << ev->Get()->ToString()); 
- 
-        auto it = Pending.find(ev->Cookie); 
-        if (it == Pending.end()) { 
-            LOG_W("Unknown describe response" 
-                << ": cookie# " << ev->Cookie); 
-            return; 
-        } 
- 
-        Y_VERIFY(*it < Paths.size()); 
-        const auto& path = Paths.at(*it); 
- 
-        const auto& result = ev->Get()->Result; 
-        if (result.IsSuccess()) { 
-            LOG_D("Describe succeeded" 
-                << ": path# " << path.first); 
- 
-            auto entry = result.GetEntry(); 
-            entry.Name = path.first; // replace by full path 
- 
-            if (const auto kind = TryTargetKindFromEntryType(entry.Type)) { 
-                LOG_I("Add target" 
-                    << ": path# " << path.first 
-                    << ", kind# " << kind); 
-                ToAdd.emplace_back(std::move(entry), path.second); 
-            } else { 
-                LOG_W("Unsupported entry type" 
-                    << ": path# " << path.first 
-                    << ", type# " << entry.Type); 
- 
-                NYql::TIssues issues; 
-                issues.AddIssue(TStringBuilder() << "Unsupported entry type: " << entry.Type); 
-                Failed.emplace_back(path.first, NYdb::TStatus(NYdb::EStatus::UNSUPPORTED, std::move(issues))); 
-            } 
-        } else { 
-            LOG_E("Describe failed" 
-                << ": path# " << path.first); 
- 
-            if (IsRetryableError(result)) { 
-                return Retry(*it); 
-            } else { 
-                Failed.emplace_back(path.first, result); 
-            } 
-        } 
- 
-        Pending.erase(it); 
-        if (Pending) { 
-            return; 
-        } 
- 
-        if (Failed) { 
-            Send(Parent, new TEvPrivate::TEvDiscoveryResult(ReplicationId, std::move(Failed))); 
-        } else { 
-            Send(Parent, new TEvPrivate::TEvDiscoveryResult(ReplicationId, std::move(ToAdd), {})); 
-        } 
- 
-        PassAway(); 
-    } 
- 
-    void Retry(ui32 idx) { 
-        if (ToRetry.empty()) { 
-            Schedule(TDuration::Seconds(10), new TEvents::TEvWakeup); 
-        } 
- 
-        ToRetry.insert(idx); 
-    } 
- 
-    void Retry() { 
-        for (const ui32 idx : ToRetry) { 
-            DescribePath(idx); 
-        } 
- 
-        ToRetry.clear(); 
-    } 
- 
-public: 
-    static constexpr NKikimrServices::TActivity::EType ActorActivityType() { 
-        return NKikimrServices::TActivity::REPLICATION_CONTROLLER_DISCOVERER; 
-    } 
- 
-    explicit TDiscoverer(const TActorId& parent, ui64 rid, const TActorId& proxy, TVector<std::pair<TString, TString>>&& paths) 
-        : Parent(parent) 
-        , ReplicationId(rid) 
-        , YdbProxy(proxy) 
-        , Paths(std::move(paths)) 
-        , LogPrefix("Discoverer", ReplicationId) 
-    { 
-    } 
- 
-    void Bootstrap() { 
-        for (ui32 i = 0; i < Paths.size(); ++i) { 
-            DescribePath(i); 
-        } 
- 
-        Become(&TThis::StateWork); 
-    } 
- 
-    STATEFN(StateWork) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvYdbProxy::TEvDescribePathResponse, Handle); 
-            sFunc(TEvents::TEvWakeup, Retry); 
-            sFunc(TEvents::TEvPoison, PassAway); 
-        } 
-    } 
- 
-private: 
-    const TActorId Parent; 
-    const ui64 ReplicationId; 
-    const TActorId YdbProxy; 
-    const TVector<std::pair<TString, TString>> Paths; 
-    const TActorLogPrefix LogPrefix; 
- 
-    THashSet<ui32> Pending; 
-    THashSet<ui32> ToRetry; 
-    TVector<TEvPrivate::TEvDiscoveryResult::TAddEntry> ToAdd; 
-    TVector<TEvPrivate::TEvDiscoveryResult::TFailedEntry> Failed; 
- 
-}; // TDiscoverer 
- 
-IActor* CreateDiscoverer(const TActorId& parent, ui64 rid, const TActorId& proxy, 
-    TVector<std::pair<TString, TString>>&& specificPaths) 
-{ 
-    return new TDiscoverer(parent, rid, proxy, std::move(specificPaths)); 
-} 
- 
-} // NController 
-} // NReplication 
-} // NKikimr 
+#include "discoverer.h"
+#include "logging.h"
+#include "private_events.h"
+#include "util.h"
+
+#include <library/cpp/actors/core/actor_bootstrapped.h>
+#include <library/cpp/actors/core/hfunc.h>
+
+#include <ydb/core/tx/replication/ydb_proxy/ydb_proxy.h>
+
+#include <util/generic/hash_set.h>
+
+namespace NKikimr {
+namespace NReplication {
+namespace NController {
+
+class TDiscoverer: public TActorBootstrapped<TDiscoverer> {
+    void DescribePath(ui32 idx) {
+        Y_VERIFY(idx < Paths.size());
+        Send(YdbProxy, new TEvYdbProxy::TEvDescribePathRequest(Paths.at(idx).first, {}), 0, idx);
+        Pending.insert(idx);
+    }
+
+    void Handle(TEvYdbProxy::TEvDescribePathResponse::TPtr& ev) {
+        LOG_T("Handle " << ev->Get()->ToString());
+
+        auto it = Pending.find(ev->Cookie);
+        if (it == Pending.end()) {
+            LOG_W("Unknown describe response"
+                << ": cookie# " << ev->Cookie);
+            return;
+        }
+
+        Y_VERIFY(*it < Paths.size());
+        const auto& path = Paths.at(*it);
+
+        const auto& result = ev->Get()->Result;
+        if (result.IsSuccess()) {
+            LOG_D("Describe succeeded"
+                << ": path# " << path.first);
+
+            auto entry = result.GetEntry();
+            entry.Name = path.first; // replace by full path
+
+            if (const auto kind = TryTargetKindFromEntryType(entry.Type)) {
+                LOG_I("Add target"
+                    << ": path# " << path.first
+                    << ", kind# " << kind);
+                ToAdd.emplace_back(std::move(entry), path.second);
+            } else {
+                LOG_W("Unsupported entry type"
+                    << ": path# " << path.first
+                    << ", type# " << entry.Type);
+
+                NYql::TIssues issues;
+                issues.AddIssue(TStringBuilder() << "Unsupported entry type: " << entry.Type);
+                Failed.emplace_back(path.first, NYdb::TStatus(NYdb::EStatus::UNSUPPORTED, std::move(issues)));
+            }
+        } else {
+            LOG_E("Describe failed"
+                << ": path# " << path.first);
+
+            if (IsRetryableError(result)) {
+                return Retry(*it);
+            } else {
+                Failed.emplace_back(path.first, result);
+            }
+        }
+
+        Pending.erase(it);
+        if (Pending) {
+            return;
+        }
+
+        if (Failed) {
+            Send(Parent, new TEvPrivate::TEvDiscoveryResult(ReplicationId, std::move(Failed)));
+        } else {
+            Send(Parent, new TEvPrivate::TEvDiscoveryResult(ReplicationId, std::move(ToAdd), {}));
+        }
+
+        PassAway();
+    }
+
+    void Retry(ui32 idx) {
+        if (ToRetry.empty()) {
+            Schedule(TDuration::Seconds(10), new TEvents::TEvWakeup);
+        }
+
+        ToRetry.insert(idx);
+    }
+
+    void Retry() {
+        for (const ui32 idx : ToRetry) {
+            DescribePath(idx);
+        }
+
+        ToRetry.clear();
+    }
+
+public:
+    static constexpr NKikimrServices::TActivity::EType ActorActivityType() {
+        return NKikimrServices::TActivity::REPLICATION_CONTROLLER_DISCOVERER;
+    }
+
+    explicit TDiscoverer(const TActorId& parent, ui64 rid, const TActorId& proxy, TVector<std::pair<TString, TString>>&& paths)
+        : Parent(parent)
+        , ReplicationId(rid)
+        , YdbProxy(proxy)
+        , Paths(std::move(paths))
+        , LogPrefix("Discoverer", ReplicationId)
+    {
+    }
+
+    void Bootstrap() {
+        for (ui32 i = 0; i < Paths.size(); ++i) {
+            DescribePath(i);
+        }
+
+        Become(&TThis::StateWork);
+    }
+
+    STATEFN(StateWork) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvYdbProxy::TEvDescribePathResponse, Handle);
+            sFunc(TEvents::TEvWakeup, Retry);
+            sFunc(TEvents::TEvPoison, PassAway);
+        }
+    }
+
+private:
+    const TActorId Parent;
+    const ui64 ReplicationId;
+    const TActorId YdbProxy;
+    const TVector<std::pair<TString, TString>> Paths;
+    const TActorLogPrefix LogPrefix;
+
+    THashSet<ui32> Pending;
+    THashSet<ui32> ToRetry;
+    TVector<TEvPrivate::TEvDiscoveryResult::TAddEntry> ToAdd;
+    TVector<TEvPrivate::TEvDiscoveryResult::TFailedEntry> Failed;
+
+}; // TDiscoverer
+
+IActor* CreateDiscoverer(const TActorId& parent, ui64 rid, const TActorId& proxy,
+    TVector<std::pair<TString, TString>>&& specificPaths)
+{
+    return new TDiscoverer(parent, rid, proxy, std::move(specificPaths));
+}
+
+} // NController
+} // NReplication
+} // NKikimr
diff --git a/ydb/core/tx/replication/controller/discoverer.h b/ydb/core/tx/replication/controller/discoverer.h
index eb989603f5..235b98c627 100644
--- a/ydb/core/tx/replication/controller/discoverer.h
+++ b/ydb/core/tx/replication/controller/discoverer.h
@@ -1,16 +1,16 @@
-#pragma once 
- 
-#include <ydb/core/base/defs.h> 
- 
-#include <util/generic/vector.h> 
- 
-namespace NKikimr { 
-namespace NReplication { 
-namespace NController { 
- 
-IActor* CreateDiscoverer(const TActorId& parent, ui64 rid, const TActorId& proxy, 
-    TVector<std::pair<TString, TString>>&& specificPaths); 
- 
-} // NController 
-} // NReplication 
-} // NKikimr 
+#pragma once
+
+#include <ydb/core/base/defs.h>
+
+#include <util/generic/vector.h>
+
+namespace NKikimr {
+namespace NReplication {
+namespace NController {
+
+IActor* CreateDiscoverer(const TActorId& parent, ui64 rid, const TActorId& proxy,
+    TVector<std::pair<TString, TString>>&& specificPaths);
+
+} // NController
+} // NReplication
+} // NKikimr
diff --git a/ydb/core/tx/replication/controller/dst_creator.cpp b/ydb/core/tx/replication/controller/dst_creator.cpp
index 356406a80d..3095dee857 100644
--- a/ydb/core/tx/replication/controller/dst_creator.cpp
+++ b/ydb/core/tx/replication/controller/dst_creator.cpp
@@ -1,425 +1,425 @@
-#include "dst_creator.h" 
-#include "logging.h" 
-#include "private_events.h" 
-#include "util.h" 
- 
-#include <library/cpp/actors/core/actor_bootstrapped.h> 
-#include <library/cpp/actors/core/hfunc.h> 
- 
-#include <ydb/core/base/tablet_pipecache.h> 
-#include <ydb/core/tx/replication/ydb_proxy/ydb_proxy.h> 
-#include <ydb/core/tx/schemeshard/schemeshard.h> 
-#include <ydb/core/tx/tx_proxy/proxy.h> 
-#include <ydb/core/ydb_convert/table_description.h> 
- 
-namespace NKikimr { 
-namespace NReplication { 
-namespace NController { 
- 
-using namespace NSchemeShard; 
- 
-class TDstCreator: public TActorBootstrapped<TDstCreator> { 
-    void DescribeSrcPath() { 
-        switch (Kind) { 
-        case TReplication::ETargetKind::Table: 
-            Send(YdbProxy, new TEvYdbProxy::TEvDescribeTableRequest(SrcPath, {})); 
-            break; 
-        } 
- 
-        Become(&TThis::StateDescribeSrcPath); 
-    } 
- 
-    STATEFN(StateDescribeSrcPath) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvYdbProxy::TEvDescribeTableResponse, Handle); 
-            sFunc(TEvents::TEvWakeup, DescribeSrcPath); 
-        default: 
-            return StateBase(ev, TlsActivationContext->AsActorContext()); 
-        } 
-    } 
- 
-    void Handle(TEvYdbProxy::TEvDescribeTableResponse::TPtr& ev) { 
-        LOG_T("Handle " << ev->Get()->ToString()); 
- 
-        Y_VERIFY(Kind == TReplication::ETargetKind::Table); 
-        const auto& result = ev->Get()->Result; 
- 
-        if (!result.IsSuccess()) { 
-            if (IsRetryableError(result)) { 
-                return Retry(); 
-            } 
- 
-            return Error(NKikimrScheme::StatusNotAvailable, TStringBuilder() << "Cannot describe table" 
-                << ": status: " << result.GetStatus() 
-                << ", issue: " << result.GetIssues().ToOneLineString()); 
-        } 
- 
-        Ydb::Table::CreateTableRequest scheme; 
-        result.GetTableDescription().SerializeTo(scheme); 
- 
-        Ydb::StatusIds::StatusCode status; 
-        TString error; 
-        if (!FillTableDescription(TxBody, scheme, status, error)) { 
-            return Error(NKikimrScheme::StatusSchemeError, error); 
-        } 
- 
-        TxBody.MutableCreateTable()->SetName(ToString(ExtractBase(DstPath))); 
-        AllocateTxId(); 
-    } 
- 
-    void AllocateTxId() { 
-        Send(MakeTxProxyID(), new TEvTxUserProxy::TEvAllocateTxId); 
-        Become(&TThis::StateAllocateTxId); 
-    } 
- 
-    STATEFN(StateAllocateTxId) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvTxUserProxy::TEvAllocateTxIdResult, Handle); 
-        default: 
-            return StateBase(ev, TlsActivationContext->AsActorContext()); 
-        } 
-    } 
- 
-    void Handle(TEvTxUserProxy::TEvAllocateTxIdResult::TPtr& ev) { 
-        LOG_T("Handle " << ev->Get()->ToString()); 
- 
-        TxId = ev->Get()->TxId; 
-        PipeCache = ev->Get()->Services.LeaderPipeCache; 
-        CreateDst(); 
-    } 
- 
-    void CreateDst() { 
-        auto ev = MakeHolder<TEvSchemeShard::TEvModifySchemeTransaction>(TxId, SchemeShardId); 
-        *ev->Record.AddTransaction() = TxBody; 
- 
-        Send(PipeCache, new TEvPipeCache::TEvForward(ev.Release(), SchemeShardId, true)); 
-        Become(&TThis::StateCreateDst); 
-    } 
- 
-    STATEFN(StateCreateDst) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvSchemeShard::TEvModifySchemeTransactionResult, Handle); 
-            hFunc(TEvSchemeShard::TEvNotifyTxCompletionResult, Handle); 
-            sFunc(TEvents::TEvWakeup, AllocateTxId); 
-        default: 
-            return StateBase(ev, TlsActivationContext->AsActorContext()); 
-        } 
-    } 
- 
-    void SubscribeTx(ui64 txId) { 
-        LOG_D("Subscribe tx" 
-            << ": txId# " << txId); 
-        Send(PipeCache, new TEvPipeCache::TEvForward(new TEvSchemeShard::TEvNotifyTxCompletion(txId), SchemeShardId)); 
-    } 
- 
-    void Handle(TEvSchemeShard::TEvModifySchemeTransactionResult::TPtr& ev) { 
-        LOG_T("Handle " << ev->Get()->ToString()); 
-        const auto& record = ev->Get()->Record; 
- 
-        switch (record.GetStatus()) { 
-        case NKikimrScheme::StatusAccepted: 
-            DstPathId = TPathId(SchemeShardId, record.GetPathId()); 
-            Y_VERIFY_DEBUG(TxId == record.GetTxId()); 
-            return SubscribeTx(record.GetTxId()); 
-        case NKikimrScheme::StatusMultipleModifications: 
-            if (record.HasPathCreateTxId()) { 
-                NeedToCheck = true; 
-                return SubscribeTx(record.GetPathCreateTxId()); 
-            } else { 
-                return Error(record.GetStatus(), record.GetReason()); 
-            } 
-            break; 
-        case NKikimrScheme::StatusAlreadyExists: 
-            return DescribeDstPath(); 
-        default: 
-            return Error(record.GetStatus(), record.GetReason()); 
-        } 
-    } 
- 
-    void Handle(TEvSchemeShard::TEvNotifyTxCompletionResult::TPtr& ev) { 
-        LOG_T("Handle " << ev->Get()->ToString()); 
- 
-        if (NeedToCheck) { 
-            DescribeDstPath(); 
-        } else { 
-            Success(); 
-        } 
-    } 
- 
-    void DescribeDstPath() { 
-        Send(PipeCache, new TEvPipeCache::TEvForward(new TEvSchemeShard::TEvDescribeScheme(DstPath), SchemeShardId)); 
-        Become(&TThis::StateDescribeDstPath); 
-    } 
- 
-    STATEFN(StateDescribeDstPath) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvSchemeShard::TEvDescribeSchemeResult, Handle); 
-            sFunc(TEvents::TEvWakeup, DescribeDstPath); 
-        default: 
-            return StateBase(ev, TlsActivationContext->AsActorContext()); 
-        } 
-    } 
- 
-    void Handle(TEvSchemeShard::TEvDescribeSchemeResult::TPtr& ev) { 
-        LOG_T("Handle " << ev->Get()->ToString()); 
-        const auto& record = ev->Get()->GetRecord(); 
- 
-        switch (record.GetStatus()) { 
-            case NKikimrScheme::StatusSuccess: { 
-                TString error; 
-                if (!CheckScheme(record.GetPathDescription(), error)) { 
-                    return Error(NKikimrScheme::StatusSchemeError, error); 
-                } else { 
-                    DstPathId = TPathId(record.GetPathOwnerId(), record.GetPathId()); 
-                    return Success(); 
-                } 
-                break; 
-            } 
-            case NKikimrScheme::StatusPathDoesNotExist: 
-                return AllocateTxId(); 
-            case NKikimrScheme::StatusSchemeError: 
-            case NKikimrScheme::StatusAccessDenied: 
-            case NKikimrScheme::StatusRedirectDomain: 
-            case NKikimrScheme::StatusNameConflict: 
-            case NKikimrScheme::StatusInvalidParameter: 
-            case NKikimrScheme::StatusPreconditionFailed: 
-                return Error(record.GetStatus(), record.GetReason()); 
-            default: 
-                return Retry(); 
-        } 
-    } 
- 
-    bool CheckScheme(const NKikimrSchemeOp::TPathDescription& desc, TString& error) const { 
-        switch (Kind) { 
-        case TReplication::ETargetKind::Table: 
-            return CheckTableScheme(desc.GetTable(), error); 
-        } 
-    } 
- 
-    bool CheckTableScheme(const NKikimrSchemeOp::TTableDescription& got, TString& error) const { 
-        const auto& expected = TxBody.GetCreateTable(); 
- 
-        // check key 
-        if (expected.KeyColumnNamesSize() != got.KeyColumnNamesSize()) { 
-            error = TStringBuilder() << "Key columns size mismatch" 
-                << ": expected: " << expected.KeyColumnNamesSize() 
-                << ", got: " << got.KeyColumnNamesSize(); 
-            return false; 
-        } 
- 
-        for (ui32 i = 0; i < expected.KeyColumnNamesSize(); ++i) { 
-            if (expected.GetKeyColumnNames(i) != got.GetKeyColumnNames(i)) { 
-                error = TStringBuilder() << "Key column name mismatch" 
-                    << ": position: " << i 
-                    << ", expected: " << expected.GetKeyColumnNames(i) 
-                    << ", got: " << got.GetKeyColumnNames(i); 
-                return false; 
-            } 
-        } 
- 
-        // check columns 
-        THashMap<TStringBuf, TStringBuf> columns; 
-        for (const auto& column : got.GetColumns()) { 
-            columns.emplace(column.GetName(), column.GetType()); 
-        } 
- 
-        if (expected.ColumnsSize() != columns.size()) { 
-            error = TStringBuilder() << "Columns size mismatch" 
-                << ": expected: " << expected.ColumnsSize() 
-                << ", got: " << columns.size(); 
-            return false; 
-        } 
- 
-        for (const auto& column : expected.GetColumns()) { 
-            auto it = columns.find(column.GetName()); 
-            if (it == columns.end()) { 
-                error = TStringBuilder() << "Cannot find column" 
-                    << ": name: " << column.GetName(); 
-                return false; 
-            } 
- 
-            if (column.GetType() != it->second) { 
-                error = TStringBuilder() << "Column type mismatch" 
-                    << ": name: " << column.GetName() 
-                    << ", expected: " << column.GetType() 
-                    << ", got: " << it->second; 
-                return false; 
-            } 
-        } 
- 
-        // check indexes 
-        THashMap<TStringBuf, const NKikimrSchemeOp::TIndexDescription*> indexes; 
-        for (const auto& index : got.GetTableIndexes()) { 
-            indexes.emplace(index.GetName(), &index); 
-        } 
- 
-        if (expected.TableIndexesSize() != indexes.size()) { 
-            error = TStringBuilder() << "Indexes size mismatch" 
-                << ": expected: " << expected.TableIndexesSize() 
-                << ", got: " << indexes.size(); 
-            return false; 
-        } 
- 
-        for (const auto& index : expected.GetTableIndexes()) { 
-            auto it = indexes.find(index.GetName()); 
-            if (it == indexes.end()) { 
-                error = TStringBuilder() << "Cannot find index" 
-                    << ": name: " << index.GetName(); 
-                return false; 
-            } 
- 
-            if (index.GetType() != it->second->GetType()) { 
-                error = TStringBuilder() << "Index type mismatch" 
-                    << ": name: " << index.GetName() 
-                    << ", expected: " << NKikimrSchemeOp::EIndexType_Name(index.GetType()) 
-                    << ", got: " << NKikimrSchemeOp::EIndexType_Name(it->second->GetType()); 
-                return false; 
-            } 
- 
-            if (index.KeyColumnNamesSize() != it->second->KeyColumnNamesSize()) { 
-                error = TStringBuilder() << "Index key columns size mismatch" 
-                    << ": name: " << index.GetName() 
-                    << ", expected: " << index.KeyColumnNamesSize() 
-                    << ", got: " << it->second->KeyColumnNamesSize(); 
-                return false; 
-            } 
- 
-            for (ui32 i = 0; i < index.KeyColumnNamesSize(); ++i) { 
-                if (index.GetKeyColumnNames(i) != it->second->GetKeyColumnNames(i)) { 
-                    error = TStringBuilder() << "Index key column name mismatch" 
-                        << ": name: " << index.GetName() 
-                        << ", position: " << i 
-                        << ", expected: " << index.GetKeyColumnNames(i) 
-                        << ", got: " << it->second->GetKeyColumnNames(i); 
-                    return false; 
-                } 
-            } 
- 
-            if (index.DataColumnNamesSize() != it->second->DataColumnNamesSize()) { 
-                error = TStringBuilder() << "Index data columns size mismatch" 
-                    << ": name: " << index.GetName() 
-                    << ", expected: " << index.DataColumnNamesSize() 
-                    << ", got: " << it->second->DataColumnNamesSize(); 
-                return false; 
-            } 
- 
-            for (ui32 i = 0; i < index.DataColumnNamesSize(); ++i) { 
-                if (index.GetDataColumnNames(i) != it->second->GetDataColumnNames(i)) { 
-                    error = TStringBuilder() << "Index data column name mismatch" 
-                        << ": name: " << index.GetName() 
-                        << ", position: " << i 
-                        << ", expected: " << index.GetDataColumnNames(i) 
-                        << ", got: " << it->second->GetDataColumnNames(i); 
-                    return false; 
-                } 
-            } 
-        } 
- 
-        return true; 
-    } 
- 
-    void Handle(TEvPipeCache::TEvDeliveryProblem::TPtr& ev) { 
-        LOG_T("Handle " << ev->Get()->ToString()); 
- 
-        if (SchemeShardId == ev->Get()->TabletId) { 
-            return; 
-        } 
- 
-        Retry(); 
-    } 
- 
-    void Handle(TEvents::TEvUndelivered::TPtr& ev) { 
-        LOG_T("Handle " << ev->Get()->ToString()); 
-        Retry(); 
-    } 
- 
-    void Success() { 
-        Y_VERIFY(DstPathId); 
-        LOG_I("Success" 
-            << ": dstPathId# " << DstPathId); 
- 
-        Send(Parent, new TEvPrivate::TEvCreateDstResult(ReplicationId, TargetId, DstPathId)); 
-        PassAway(); 
-    } 
- 
-    void Error(NKikimrScheme::EStatus status, const TString& error) { 
-        LOG_E("Error" 
-            << ": status# " << status 
-            << ", reason# " << error); 
- 
-        Send(Parent, new TEvPrivate::TEvCreateDstResult(ReplicationId, TargetId, status, error)); 
-        PassAway(); 
-    } 
- 
-    void Retry() { 
-        LOG_D("Retry"); 
-        Schedule(TDuration::Seconds(10), new TEvents::TEvWakeup); 
-    } 
- 
-public: 
-    static constexpr NKikimrServices::TActivity::EType ActorActivityType() { 
-        return NKikimrServices::TActivity::REPLICATION_CONTROLLER_DST_CREATOR; 
-    } 
- 
-    explicit TDstCreator( 
-            const TActorId& parent, 
-            ui64 schemeShardId, 
-            const TActorId& proxy, 
-            ui64 rid, 
-            ui64 tid, 
-            TReplication::ETargetKind kind, 
-            const TString& srcPath, 
-            const TString& dstPath) 
-        : Parent(parent) 
-        , SchemeShardId(schemeShardId) 
-        , YdbProxy(proxy) 
-        , ReplicationId(rid) 
-        , TargetId(tid) 
-        , Kind(kind) 
-        , SrcPath(srcPath) 
-        , DstPath(dstPath) 
-        , LogPrefix("DstCreator", ReplicationId, TargetId) 
-    { 
-        TxBody.SetWorkingDir(ToString(ExtractParent(DstPath))); 
-    } 
- 
-    void Bootstrap() { 
-        DescribeSrcPath(); 
-    } 
- 
-    STATEFN(StateBase) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvPipeCache::TEvDeliveryProblem, Handle); 
-            hFunc(TEvents::TEvUndelivered, Handle); 
-            sFunc(TEvents::TEvPoison, PassAway); 
-        } 
-    } 
- 
-private: 
-    const TActorId Parent; 
-    const ui64 SchemeShardId; 
-    const TActorId YdbProxy; 
-    const ui64 ReplicationId; 
-    const ui64 TargetId; 
-    const TReplication::ETargetKind Kind; 
-    const TString SrcPath; 
-    const TString DstPath; 
-    const TActorLogPrefix LogPrefix; 
- 
-    ui64 TxId = 0; 
-    NKikimrSchemeOp::TModifyScheme TxBody; 
-    TActorId PipeCache; 
-    bool NeedToCheck = false; 
-    TPathId DstPathId; 
- 
-}; // TDstCreator 
- 
-IActor* CreateDstCreator(const TActorId& parent, ui64 schemeShardId, const TActorId& proxy, 
-        ui64 rid, ui64 tid, TReplication::ETargetKind kind, const TString& srcPath, const TString& dstPath) 
-{ 
-    return new TDstCreator(parent, schemeShardId, proxy, rid, tid, kind, srcPath, dstPath); 
-} 
- 
-} // NController 
-} // NReplication 
-} // NKikimr 
+#include "dst_creator.h"
+#include "logging.h"
+#include "private_events.h"
+#include "util.h"
+
+#include <library/cpp/actors/core/actor_bootstrapped.h>
+#include <library/cpp/actors/core/hfunc.h>
+
+#include <ydb/core/base/tablet_pipecache.h>
+#include <ydb/core/tx/replication/ydb_proxy/ydb_proxy.h>
+#include <ydb/core/tx/schemeshard/schemeshard.h>
+#include <ydb/core/tx/tx_proxy/proxy.h>
+#include <ydb/core/ydb_convert/table_description.h>
+
+namespace NKikimr {
+namespace NReplication {
+namespace NController {
+
+using namespace NSchemeShard;
+
+class TDstCreator: public TActorBootstrapped<TDstCreator> {
+    void DescribeSrcPath() {
+        switch (Kind) {
+        case TReplication::ETargetKind::Table:
+            Send(YdbProxy, new TEvYdbProxy::TEvDescribeTableRequest(SrcPath, {}));
+            break;
+        }
+
+        Become(&TThis::StateDescribeSrcPath);
+    }
+
+    STATEFN(StateDescribeSrcPath) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvYdbProxy::TEvDescribeTableResponse, Handle);
+            sFunc(TEvents::TEvWakeup, DescribeSrcPath);
+        default:
+            return StateBase(ev, TlsActivationContext->AsActorContext());
+        }
+    }
+
+    void Handle(TEvYdbProxy::TEvDescribeTableResponse::TPtr& ev) {
+        LOG_T("Handle " << ev->Get()->ToString());
+
+        Y_VERIFY(Kind == TReplication::ETargetKind::Table);
+        const auto& result = ev->Get()->Result;
+
+        if (!result.IsSuccess()) {
+            if (IsRetryableError(result)) {
+                return Retry();
+            }
+
+            return Error(NKikimrScheme::StatusNotAvailable, TStringBuilder() << "Cannot describe table"
+                << ": status: " << result.GetStatus()
+                << ", issue: " << result.GetIssues().ToOneLineString());
+        }
+
+        Ydb::Table::CreateTableRequest scheme;
+        result.GetTableDescription().SerializeTo(scheme);
+
+        Ydb::StatusIds::StatusCode status;
+        TString error;
+        if (!FillTableDescription(TxBody, scheme, status, error)) {
+            return Error(NKikimrScheme::StatusSchemeError, error);
+        }
+
+        TxBody.MutableCreateTable()->SetName(ToString(ExtractBase(DstPath)));
+        AllocateTxId();
+    }
+
+    void AllocateTxId() {
+        Send(MakeTxProxyID(), new TEvTxUserProxy::TEvAllocateTxId);
+        Become(&TThis::StateAllocateTxId);
+    }
+
+    STATEFN(StateAllocateTxId) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvTxUserProxy::TEvAllocateTxIdResult, Handle);
+        default:
+            return StateBase(ev, TlsActivationContext->AsActorContext());
+        }
+    }
+
+    void Handle(TEvTxUserProxy::TEvAllocateTxIdResult::TPtr& ev) {
+        LOG_T("Handle " << ev->Get()->ToString());
+
+        TxId = ev->Get()->TxId;
+        PipeCache = ev->Get()->Services.LeaderPipeCache;
+        CreateDst();
+    }
+
+    void CreateDst() {
+        auto ev = MakeHolder<TEvSchemeShard::TEvModifySchemeTransaction>(TxId, SchemeShardId);
+        *ev->Record.AddTransaction() = TxBody;
+
+        Send(PipeCache, new TEvPipeCache::TEvForward(ev.Release(), SchemeShardId, true));
+        Become(&TThis::StateCreateDst);
+    }
+
+    STATEFN(StateCreateDst) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvSchemeShard::TEvModifySchemeTransactionResult, Handle);
+            hFunc(TEvSchemeShard::TEvNotifyTxCompletionResult, Handle);
+            sFunc(TEvents::TEvWakeup, AllocateTxId);
+        default:
+            return StateBase(ev, TlsActivationContext->AsActorContext());
+        }
+    }
+
+    void SubscribeTx(ui64 txId) {
+        LOG_D("Subscribe tx"
+            << ": txId# " << txId);
+        Send(PipeCache, new TEvPipeCache::TEvForward(new TEvSchemeShard::TEvNotifyTxCompletion(txId), SchemeShardId));
+    }
+
+    void Handle(TEvSchemeShard::TEvModifySchemeTransactionResult::TPtr& ev) {
+        LOG_T("Handle " << ev->Get()->ToString());
+        const auto& record = ev->Get()->Record;
+
+        switch (record.GetStatus()) {
+        case NKikimrScheme::StatusAccepted:
+            DstPathId = TPathId(SchemeShardId, record.GetPathId());
+            Y_VERIFY_DEBUG(TxId == record.GetTxId());
+            return SubscribeTx(record.GetTxId());
+        case NKikimrScheme::StatusMultipleModifications:
+            if (record.HasPathCreateTxId()) {
+                NeedToCheck = true;
+                return SubscribeTx(record.GetPathCreateTxId());
+            } else {
+                return Error(record.GetStatus(), record.GetReason());
+            }
+            break;
+        case NKikimrScheme::StatusAlreadyExists:
+            return DescribeDstPath();
+        default:
+            return Error(record.GetStatus(), record.GetReason());
+        }
+    }
+
+    void Handle(TEvSchemeShard::TEvNotifyTxCompletionResult::TPtr& ev) {
+        LOG_T("Handle " << ev->Get()->ToString());
+
+        if (NeedToCheck) {
+            DescribeDstPath();
+        } else {
+            Success();
+        }
+    }
+
+    void DescribeDstPath() {
+        Send(PipeCache, new TEvPipeCache::TEvForward(new TEvSchemeShard::TEvDescribeScheme(DstPath), SchemeShardId));
+        Become(&TThis::StateDescribeDstPath);
+    }
+
+    STATEFN(StateDescribeDstPath) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvSchemeShard::TEvDescribeSchemeResult, Handle);
+            sFunc(TEvents::TEvWakeup, DescribeDstPath);
+        default:
+            return StateBase(ev, TlsActivationContext->AsActorContext());
+        }
+    }
+
+    void Handle(TEvSchemeShard::TEvDescribeSchemeResult::TPtr& ev) {
+        LOG_T("Handle " << ev->Get()->ToString());
+        const auto& record = ev->Get()->GetRecord();
+
+        switch (record.GetStatus()) {
+            case NKikimrScheme::StatusSuccess: {
+                TString error;
+                if (!CheckScheme(record.GetPathDescription(), error)) {
+                    return Error(NKikimrScheme::StatusSchemeError, error);
+                } else {
+                    DstPathId = TPathId(record.GetPathOwnerId(), record.GetPathId());
+                    return Success();
+                }
+                break;
+            }
+            case NKikimrScheme::StatusPathDoesNotExist:
+                return AllocateTxId();
+            case NKikimrScheme::StatusSchemeError:
+            case NKikimrScheme::StatusAccessDenied:
+            case NKikimrScheme::StatusRedirectDomain:
+            case NKikimrScheme::StatusNameConflict:
+            case NKikimrScheme::StatusInvalidParameter:
+            case NKikimrScheme::StatusPreconditionFailed:
+                return Error(record.GetStatus(), record.GetReason());
+            default:
+                return Retry();
+        }
+    }
+
+    bool CheckScheme(const NKikimrSchemeOp::TPathDescription& desc, TString& error) const {
+        switch (Kind) {
+        case TReplication::ETargetKind::Table:
+            return CheckTableScheme(desc.GetTable(), error);
+        }
+    }
+
+    bool CheckTableScheme(const NKikimrSchemeOp::TTableDescription& got, TString& error) const {
+        const auto& expected = TxBody.GetCreateTable();
+
+        // check key
+        if (expected.KeyColumnNamesSize() != got.KeyColumnNamesSize()) {
+            error = TStringBuilder() << "Key columns size mismatch"
+                << ": expected: " << expected.KeyColumnNamesSize()
+                << ", got: " << got.KeyColumnNamesSize();
+            return false;
+        }
+
+        for (ui32 i = 0; i < expected.KeyColumnNamesSize(); ++i) {
+            if (expected.GetKeyColumnNames(i) != got.GetKeyColumnNames(i)) {
+                error = TStringBuilder() << "Key column name mismatch"
+                    << ": position: " << i
+                    << ", expected: " << expected.GetKeyColumnNames(i)
+                    << ", got: " << got.GetKeyColumnNames(i);
+                return false;
+            }
+        }
+
+        // check columns
+        THashMap<TStringBuf, TStringBuf> columns;
+        for (const auto& column : got.GetColumns()) {
+            columns.emplace(column.GetName(), column.GetType());
+        }
+
+        if (expected.ColumnsSize() != columns.size()) {
+            error = TStringBuilder() << "Columns size mismatch"
+                << ": expected: " << expected.ColumnsSize()
+                << ", got: " << columns.size();
+            return false;
+        }
+
+        for (const auto& column : expected.GetColumns()) {
+            auto it = columns.find(column.GetName());
+            if (it == columns.end()) {
+                error = TStringBuilder() << "Cannot find column"
+                    << ": name: " << column.GetName();
+                return false;
+            }
+
+            if (column.GetType() != it->second) {
+                error = TStringBuilder() << "Column type mismatch"
+                    << ": name: " << column.GetName()
+                    << ", expected: " << column.GetType()
+                    << ", got: " << it->second;
+                return false;
+            }
+        }
+
+        // check indexes
+        THashMap<TStringBuf, const NKikimrSchemeOp::TIndexDescription*> indexes;
+        for (const auto& index : got.GetTableIndexes()) {
+            indexes.emplace(index.GetName(), &index);
+        }
+
+        if (expected.TableIndexesSize() != indexes.size()) {
+            error = TStringBuilder() << "Indexes size mismatch"
+                << ": expected: " << expected.TableIndexesSize()
+                << ", got: " << indexes.size();
+            return false;
+        }
+
+        for (const auto& index : expected.GetTableIndexes()) {
+            auto it = indexes.find(index.GetName());
+            if (it == indexes.end()) {
+                error = TStringBuilder() << "Cannot find index"
+                    << ": name: " << index.GetName();
+                return false;
+            }
+
+            if (index.GetType() != it->second->GetType()) {
+                error = TStringBuilder() << "Index type mismatch"
+                    << ": name: " << index.GetName()
+                    << ", expected: " << NKikimrSchemeOp::EIndexType_Name(index.GetType())
+                    << ", got: " << NKikimrSchemeOp::EIndexType_Name(it->second->GetType());
+                return false;
+            }
+
+            if (index.KeyColumnNamesSize() != it->second->KeyColumnNamesSize()) {
+                error = TStringBuilder() << "Index key columns size mismatch"
+                    << ": name: " << index.GetName()
+                    << ", expected: " << index.KeyColumnNamesSize()
+                    << ", got: " << it->second->KeyColumnNamesSize();
+                return false;
+            }
+
+            for (ui32 i = 0; i < index.KeyColumnNamesSize(); ++i) {
+                if (index.GetKeyColumnNames(i) != it->second->GetKeyColumnNames(i)) {
+                    error = TStringBuilder() << "Index key column name mismatch"
+                        << ": name: " << index.GetName()
+                        << ", position: " << i
+                        << ", expected: " << index.GetKeyColumnNames(i)
+                        << ", got: " << it->second->GetKeyColumnNames(i);
+                    return false;
+                }
+            }
+
+            if (index.DataColumnNamesSize() != it->second->DataColumnNamesSize()) {
+                error = TStringBuilder() << "Index data columns size mismatch"
+                    << ": name: " << index.GetName()
+                    << ", expected: " << index.DataColumnNamesSize()
+                    << ", got: " << it->second->DataColumnNamesSize();
+                return false;
+            }
+
+            for (ui32 i = 0; i < index.DataColumnNamesSize(); ++i) {
+                if (index.GetDataColumnNames(i) != it->second->GetDataColumnNames(i)) {
+                    error = TStringBuilder() << "Index data column name mismatch"
+                        << ": name: " << index.GetName()
+                        << ", position: " << i
+                        << ", expected: " << index.GetDataColumnNames(i)
+                        << ", got: " << it->second->GetDataColumnNames(i);
+                    return false;
+                }
+            }
+        }
+
+        return true;
+    }
+
+    void Handle(TEvPipeCache::TEvDeliveryProblem::TPtr& ev) {
+        LOG_T("Handle " << ev->Get()->ToString());
+
+        if (SchemeShardId == ev->Get()->TabletId) {
+            return;
+        }
+
+        Retry();
+    }
+
+    void Handle(TEvents::TEvUndelivered::TPtr& ev) {
+        LOG_T("Handle " << ev->Get()->ToString());
+        Retry();
+    }
+
+    void Success() {
+        Y_VERIFY(DstPathId);
+        LOG_I("Success"
+            << ": dstPathId# " << DstPathId);
+
+        Send(Parent, new TEvPrivate::TEvCreateDstResult(ReplicationId, TargetId, DstPathId));
+        PassAway();
+    }
+
+    void Error(NKikimrScheme::EStatus status, const TString& error) {
+        LOG_E("Error"
+            << ": status# " << status
+            << ", reason# " << error);
+
+        Send(Parent, new TEvPrivate::TEvCreateDstResult(ReplicationId, TargetId, status, error));
+        PassAway();
+    }
+
+    void Retry() {
+        LOG_D("Retry");
+        Schedule(TDuration::Seconds(10), new TEvents::TEvWakeup);
+    }
+
+public:
+    static constexpr NKikimrServices::TActivity::EType ActorActivityType() {
+        return NKikimrServices::TActivity::REPLICATION_CONTROLLER_DST_CREATOR;
+    }
+
+    explicit TDstCreator(
+            const TActorId& parent,
+            ui64 schemeShardId,
+            const TActorId& proxy,
+            ui64 rid,
+            ui64 tid,
+            TReplication::ETargetKind kind,
+            const TString& srcPath,
+            const TString& dstPath)
+        : Parent(parent)
+        , SchemeShardId(schemeShardId)
+        , YdbProxy(proxy)
+        , ReplicationId(rid)
+        , TargetId(tid)
+        , Kind(kind)
+        , SrcPath(srcPath)
+        , DstPath(dstPath)
+        , LogPrefix("DstCreator", ReplicationId, TargetId)
+    {
+        TxBody.SetWorkingDir(ToString(ExtractParent(DstPath)));
+    }
+
+    void Bootstrap() {
+        DescribeSrcPath();
+    }
+
+    STATEFN(StateBase) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvPipeCache::TEvDeliveryProblem, Handle);
+            hFunc(TEvents::TEvUndelivered, Handle);
+            sFunc(TEvents::TEvPoison, PassAway);
+        }
+    }
+
+private:
+    const TActorId Parent;
+    const ui64 SchemeShardId;
+    const TActorId YdbProxy;
+    const ui64 ReplicationId;
+    const ui64 TargetId;
+    const TReplication::ETargetKind Kind;
+    const TString SrcPath;
+    const TString DstPath;
+    const TActorLogPrefix LogPrefix;
+
+    ui64 TxId = 0;
+    NKikimrSchemeOp::TModifyScheme TxBody;
+    TActorId PipeCache;
+    bool NeedToCheck = false;
+    TPathId DstPathId;
+
+}; // TDstCreator
+
+IActor* CreateDstCreator(const TActorId& parent, ui64 schemeShardId, const TActorId& proxy,
+        ui64 rid, ui64 tid, TReplication::ETargetKind kind, const TString& srcPath, const TString& dstPath)
+{
+    return new TDstCreator(parent, schemeShardId, proxy, rid, tid, kind, srcPath, dstPath);
+}
+
+} // NController
+} // NReplication
+} // NKikimr
diff --git a/ydb/core/tx/replication/controller/dst_creator.h b/ydb/core/tx/replication/controller/dst_creator.h
index b98a7b01ac..7863ea8ed5 100644
--- a/ydb/core/tx/replication/controller/dst_creator.h
+++ b/ydb/core/tx/replication/controller/dst_creator.h
@@ -1,16 +1,16 @@
-#pragma once 
- 
-#include "replication.h" 
- 
-#include <ydb/core/base/defs.h> 
- 
-namespace NKikimr { 
-namespace NReplication { 
-namespace NController { 
- 
-IActor* CreateDstCreator(const TActorId& parent, ui64 schemeShardId, const TActorId& proxy, 
-    ui64 rid, ui64 tid, TReplication::ETargetKind kind, const TString& srcPath, const TString& dstPath); 
- 
-} // NController 
-} // NReplication 
-} // NKikimr 
+#pragma once
+
+#include "replication.h"
+
+#include <ydb/core/base/defs.h>
+
+namespace NKikimr {
+namespace NReplication {
+namespace NController {
+
+IActor* CreateDstCreator(const TActorId& parent, ui64 schemeShardId, const TActorId& proxy,
+    ui64 rid, ui64 tid, TReplication::ETargetKind kind, const TString& srcPath, const TString& dstPath);
+
+} // NController
+} // NReplication
+} // NKikimr
diff --git a/ydb/core/tx/replication/controller/logging.cpp b/ydb/core/tx/replication/controller/logging.cpp
index 5119e11044..4986d55076 100644
--- a/ydb/core/tx/replication/controller/logging.cpp
+++ b/ydb/core/tx/replication/controller/logging.cpp
@@ -1,56 +1,56 @@
-#include "logging.h" 
- 
-#include "controller_impl.h" 
- 
-namespace NKikimr { 
-namespace NReplication { 
-namespace NController { 
- 
-TTabletLogPrefix::TTabletLogPrefix(const TController* self) 
-    : TabletId(self->TabletID()) 
-{ 
-} 
- 
-TTabletLogPrefix::TTabletLogPrefix(const TController* self, const TString& txName) 
-    : TabletId(self->TabletID()) 
-    , TxName(txName) 
-{ 
-} 
- 
-void TTabletLogPrefix::Out(IOutputStream& output) const { 
-    output << "[controller " << TabletId << "]"; 
-    if (TxName) { 
-        output << "[" << TxName << "]"; 
-    } 
-    output << " "; 
-} 
- 
-TActorLogPrefix::TActorLogPrefix(const TString& activity, ui64 rid, ui64 tid) 
-    : Activity(activity) 
-    , ReplicationId(rid) 
-    , TargetId(tid) 
-{ 
-} 
- 
-void TActorLogPrefix::Out(IOutputStream& output) const { 
-    output << "[" << Activity << "]"; 
-    if (ReplicationId) { 
-        output << "[rid " << ReplicationId << "]"; 
-    } 
-    if (TargetId) { 
-        output << "[tid " << TargetId << "]"; 
-    } 
-    output << " "; 
-} 
- 
-} // NController 
-} // NReplication 
-} // NKikimr 
- 
-Y_DECLARE_OUT_SPEC(, NKikimr::NReplication::NController::TTabletLogPrefix, output, value) { 
-    value.Out(output); 
-} 
- 
-Y_DECLARE_OUT_SPEC(, NKikimr::NReplication::NController::TActorLogPrefix, output, value) { 
-    value.Out(output); 
-} 
+#include "logging.h"
+
+#include "controller_impl.h"
+
+namespace NKikimr {
+namespace NReplication {
+namespace NController {
+
+TTabletLogPrefix::TTabletLogPrefix(const TController* self)
+    : TabletId(self->TabletID())
+{
+}
+
+TTabletLogPrefix::TTabletLogPrefix(const TController* self, const TString& txName)
+    : TabletId(self->TabletID())
+    , TxName(txName)
+{
+}
+
+void TTabletLogPrefix::Out(IOutputStream& output) const {
+    output << "[controller " << TabletId << "]";
+    if (TxName) {
+        output << "[" << TxName << "]";
+    }
+    output << " ";
+}
+
+TActorLogPrefix::TActorLogPrefix(const TString& activity, ui64 rid, ui64 tid)
+    : Activity(activity)
+    , ReplicationId(rid)
+    , TargetId(tid)
+{
+}
+
+void TActorLogPrefix::Out(IOutputStream& output) const {
+    output << "[" << Activity << "]";
+    if (ReplicationId) {
+        output << "[rid " << ReplicationId << "]";
+    }
+    if (TargetId) {
+        output << "[tid " << TargetId << "]";
+    }
+    output << " ";
+}
+
+} // NController
+} // NReplication
+} // NKikimr
+
+Y_DECLARE_OUT_SPEC(, NKikimr::NReplication::NController::TTabletLogPrefix, output, value) {
+    value.Out(output);
+}
+
+Y_DECLARE_OUT_SPEC(, NKikimr::NReplication::NController::TActorLogPrefix, output, value) {
+    value.Out(output);
+}
diff --git a/ydb/core/tx/replication/controller/logging.h b/ydb/core/tx/replication/controller/logging.h
index 374786d54e..63e3bf23c2 100644
--- a/ydb/core/tx/replication/controller/logging.h
+++ b/ydb/core/tx/replication/controller/logging.h
@@ -1,54 +1,54 @@
-#pragma once 
- 
-#include <ydb/core/base/defs.h> 
- 
-#include <library/cpp/actors/core/log.h> 
- 
-#define CLOG_T(ctx, stream) LOG_TRACE_S (ctx, NKikimrServices::REPLICATION_CONTROLLER, LogPrefix << stream) 
-#define CLOG_D(ctx, stream) LOG_DEBUG_S (ctx, NKikimrServices::REPLICATION_CONTROLLER, LogPrefix << stream) 
-#define CLOG_I(ctx, stream) LOG_INFO_S  (ctx, NKikimrServices::REPLICATION_CONTROLLER, LogPrefix << stream) 
-#define CLOG_N(ctx, stream) LOG_NOTICE_S(ctx, NKikimrServices::REPLICATION_CONTROLLER, LogPrefix << stream) 
-#define CLOG_W(ctx, stream) LOG_WARN_S  (ctx, NKikimrServices::REPLICATION_CONTROLLER, LogPrefix << stream) 
-#define CLOG_E(ctx, stream) LOG_ERROR_S (ctx, NKikimrServices::REPLICATION_CONTROLLER, LogPrefix << stream) 
- 
-#define LOG_T(stream) CLOG_T(*TlsActivationContext, stream) 
-#define LOG_D(stream) CLOG_D(*TlsActivationContext, stream) 
-#define LOG_I(stream) CLOG_I(*TlsActivationContext, stream) 
-#define LOG_N(stream) CLOG_N(*TlsActivationContext, stream) 
-#define LOG_W(stream) CLOG_W(*TlsActivationContext, stream) 
-#define LOG_E(stream) CLOG_E(*TlsActivationContext, stream) 
- 
-namespace NKikimr { 
-namespace NReplication { 
-namespace NController { 
- 
-class TController; 
- 
-class TTabletLogPrefix { 
-public: 
-    explicit TTabletLogPrefix(const TController* self); 
-    explicit TTabletLogPrefix(const TController* self, const TString& txName); 
- 
-    void Out(IOutputStream& out) const; 
- 
-private: 
-    const ui64 TabletId; 
-    const TString TxName; 
-}; 
- 
-class TActorLogPrefix { 
-public: 
-    TActorLogPrefix() = default; 
-    explicit TActorLogPrefix(const TString& activity, ui64 rid = 0, ui64 tid = 0); 
- 
-    void Out(IOutputStream& out) const; 
- 
-private: 
-    const TString Activity; 
-    const ui64 ReplicationId = 0; 
-    const ui64 TargetId = 0; 
-}; 
- 
-} // NController 
-} // NReplication 
-} // NKikimr 
+#pragma once
+
+#include <ydb/core/base/defs.h>
+
+#include <library/cpp/actors/core/log.h>
+
+#define CLOG_T(ctx, stream) LOG_TRACE_S (ctx, NKikimrServices::REPLICATION_CONTROLLER, LogPrefix << stream)
+#define CLOG_D(ctx, stream) LOG_DEBUG_S (ctx, NKikimrServices::REPLICATION_CONTROLLER, LogPrefix << stream)
+#define CLOG_I(ctx, stream) LOG_INFO_S  (ctx, NKikimrServices::REPLICATION_CONTROLLER, LogPrefix << stream)
+#define CLOG_N(ctx, stream) LOG_NOTICE_S(ctx, NKikimrServices::REPLICATION_CONTROLLER, LogPrefix << stream)
+#define CLOG_W(ctx, stream) LOG_WARN_S  (ctx, NKikimrServices::REPLICATION_CONTROLLER, LogPrefix << stream)
+#define CLOG_E(ctx, stream) LOG_ERROR_S (ctx, NKikimrServices::REPLICATION_CONTROLLER, LogPrefix << stream)
+
+#define LOG_T(stream) CLOG_T(*TlsActivationContext, stream)
+#define LOG_D(stream) CLOG_D(*TlsActivationContext, stream)
+#define LOG_I(stream) CLOG_I(*TlsActivationContext, stream)
+#define LOG_N(stream) CLOG_N(*TlsActivationContext, stream)
+#define LOG_W(stream) CLOG_W(*TlsActivationContext, stream)
+#define LOG_E(stream) CLOG_E(*TlsActivationContext, stream)
+
+namespace NKikimr {
+namespace NReplication {
+namespace NController {
+
+class TController;
+
+class TTabletLogPrefix {
+public:
+    explicit TTabletLogPrefix(const TController* self);
+    explicit TTabletLogPrefix(const TController* self, const TString& txName);
+
+    void Out(IOutputStream& out) const;
+
+private:
+    const ui64 TabletId;
+    const TString TxName;
+};
+
+class TActorLogPrefix {
+public:
+    TActorLogPrefix() = default;
+    explicit TActorLogPrefix(const TString& activity, ui64 rid = 0, ui64 tid = 0);
+
+    void Out(IOutputStream& out) const;
+
+private:
+    const TString Activity;
+    const ui64 ReplicationId = 0;
+    const ui64 TargetId = 0;
+};
+
+} // NController
+} // NReplication
+} // NKikimr
diff --git a/ydb/core/tx/replication/controller/private_events.cpp b/ydb/core/tx/replication/controller/private_events.cpp
index 763943b033..d3c1dcc7f3 100644
--- a/ydb/core/tx/replication/controller/private_events.cpp
+++ b/ydb/core/tx/replication/controller/private_events.cpp
@@ -1,110 +1,110 @@
-#include "private_events.h" 
- 
-#include <util/string/join.h> 
- 
-namespace NKikimr { 
-namespace NReplication { 
-namespace NController { 
- 
-TEvPrivate::TEvDiscoveryResult::TEvDiscoveryResult(ui64 rid, TVector<TAddEntry>&& toAdd, TVector<ui64>&& toDel) 
-    : ReplicationId(rid) 
-    , ToAdd(std::move(toAdd)) 
-    , ToDelete(std::move(toDel)) 
-{ 
-} 
- 
-TEvPrivate::TEvDiscoveryResult::TEvDiscoveryResult(ui64 rid, TVector<TFailedEntry>&& failed) 
-    : ReplicationId(rid) 
-    , Failed(std::move(failed)) 
-{ 
-} 
- 
-TString TEvPrivate::TEvDiscoveryResult::ToString() const { 
-    return TStringBuilder() << ToStringHeader() << " {" 
-        << " ReplicationId: " << ReplicationId 
-        << " ToAdd [" << JoinSeq(",", ToAdd) << "]" 
-        << " ToDelete [" << JoinSeq(",", ToDelete) << "]" 
-        << " Failed [" << JoinSeq(",", Failed) << "]" 
-    << " }"; 
-} 
- 
-bool TEvPrivate::TEvDiscoveryResult::IsSuccess() const { 
-    return Failed.empty(); 
-} 
- 
-TEvPrivate::TEvAssignStreamName::TEvAssignStreamName(ui64 rid, ui64 tid) 
-    : ReplicationId(rid) 
-    , TargetId(tid) 
-{ 
-} 
- 
-TString TEvPrivate::TEvAssignStreamName::ToString() const { 
-    return TStringBuilder() << ToStringHeader() << " {" 
-        << " ReplicationId: " << ReplicationId 
-        << " TargetId: " << TargetId 
-    << " }"; 
-} 
- 
-TEvPrivate::TEvCreateStreamResult::TEvCreateStreamResult(ui64 rid, ui64 tid, NYdb::TStatus&& status) 
-    : ReplicationId(rid) 
-    , TargetId(tid) 
-    , Status(std::move(status)) 
-{ 
-} 
- 
-TString TEvPrivate::TEvCreateStreamResult::ToString() const { 
-    return TStringBuilder() << ToStringHeader() << " {" 
-        << " ReplicationId: " << ReplicationId 
-        << " TargetId: " << TargetId 
-        << " Status: " << Status.GetStatus() 
-        << " Issues: " << Status.GetIssues().ToOneLineString() 
-    << " }"; 
-} 
- 
-bool TEvPrivate::TEvCreateStreamResult::IsSuccess() const { 
-    return Status.IsSuccess(); 
-} 
- 
-TEvPrivate::TEvCreateDstResult::TEvCreateDstResult(ui64 rid, ui64 tid, const TPathId& dstPathId) 
-    : ReplicationId(rid) 
-    , TargetId(tid) 
-    , DstPathId(dstPathId) 
-    , Status(NKikimrScheme::StatusSuccess) 
-{ 
-} 
- 
-TEvPrivate::TEvCreateDstResult::TEvCreateDstResult(ui64 rid, ui64 tid, NKikimrScheme::EStatus status, const TString& error) 
-    : ReplicationId(rid) 
-    , TargetId(tid) 
-    , Status(status) 
-    , Error(error) 
-{ 
-} 
- 
-TString TEvPrivate::TEvCreateDstResult::ToString() const { 
-    return TStringBuilder() << ToStringHeader() << " {" 
-        << " ReplicationId: " << ReplicationId 
-        << " TargetId: " << TargetId 
-        << " DstPathId: " << DstPathId 
-        << " Status: " << NKikimrScheme::EStatus_Name(Status) 
-        << " Error: " << Error 
-    << " }"; 
-} 
- 
-bool TEvPrivate::TEvCreateDstResult::IsSuccess() const { 
-    return Status == NKikimrScheme::StatusSuccess; 
-} 
- 
-} // NController 
-} // NReplication 
-} // NKikimr 
- 
-Y_DECLARE_OUT_SPEC(, NKikimr::NReplication::NController::TEvPrivate::TEvDiscoveryResult::TAddEntry, stream, value) { 
-    stream << value.first.Name << " (" << value.first.Type << ")"; 
-} 
- 
-Y_DECLARE_OUT_SPEC(, NKikimr::NReplication::NController::TEvPrivate::TEvDiscoveryResult::TFailedEntry, stream, value) { 
-    stream << value.first << ": " << value.second.GetStatus() << " ("; 
-    value.second.GetIssues().PrintTo(stream, true); 
-    stream << ")"; 
-} 
+#include "private_events.h"
+
+#include <util/string/join.h>
+
+namespace NKikimr {
+namespace NReplication {
+namespace NController {
+
+TEvPrivate::TEvDiscoveryResult::TEvDiscoveryResult(ui64 rid, TVector<TAddEntry>&& toAdd, TVector<ui64>&& toDel)
+    : ReplicationId(rid)
+    , ToAdd(std::move(toAdd))
+    , ToDelete(std::move(toDel))
+{
+}
+
+TEvPrivate::TEvDiscoveryResult::TEvDiscoveryResult(ui64 rid, TVector<TFailedEntry>&& failed)
+    : ReplicationId(rid)
+    , Failed(std::move(failed))
+{
+}
+
+TString TEvPrivate::TEvDiscoveryResult::ToString() const {
+    return TStringBuilder() << ToStringHeader() << " {"
+        << " ReplicationId: " << ReplicationId
+        << " ToAdd [" << JoinSeq(",", ToAdd) << "]"
+        << " ToDelete [" << JoinSeq(",", ToDelete) << "]"
+        << " Failed [" << JoinSeq(",", Failed) << "]"
+    << " }";
+}
+
+bool TEvPrivate::TEvDiscoveryResult::IsSuccess() const {
+    return Failed.empty();
+}
+
+TEvPrivate::TEvAssignStreamName::TEvAssignStreamName(ui64 rid, ui64 tid)
+    : ReplicationId(rid)
+    , TargetId(tid)
+{
+}
+
+TString TEvPrivate::TEvAssignStreamName::ToString() const {
+    return TStringBuilder() << ToStringHeader() << " {"
+        << " ReplicationId: " << ReplicationId
+        << " TargetId: " << TargetId
+    << " }";
+}
+
+TEvPrivate::TEvCreateStreamResult::TEvCreateStreamResult(ui64 rid, ui64 tid, NYdb::TStatus&& status)
+    : ReplicationId(rid)
+    , TargetId(tid)
+    , Status(std::move(status))
+{
+}
+
+TString TEvPrivate::TEvCreateStreamResult::ToString() const {
+    return TStringBuilder() << ToStringHeader() << " {"
+        << " ReplicationId: " << ReplicationId
+        << " TargetId: " << TargetId
+        << " Status: " << Status.GetStatus()
+        << " Issues: " << Status.GetIssues().ToOneLineString()
+    << " }";
+}
+
+bool TEvPrivate::TEvCreateStreamResult::IsSuccess() const {
+    return Status.IsSuccess();
+}
+
+TEvPrivate::TEvCreateDstResult::TEvCreateDstResult(ui64 rid, ui64 tid, const TPathId& dstPathId)
+    : ReplicationId(rid)
+    , TargetId(tid)
+    , DstPathId(dstPathId)
+    , Status(NKikimrScheme::StatusSuccess)
+{
+}
+
+TEvPrivate::TEvCreateDstResult::TEvCreateDstResult(ui64 rid, ui64 tid, NKikimrScheme::EStatus status, const TString& error)
+    : ReplicationId(rid)
+    , TargetId(tid)
+    , Status(status)
+    , Error(error)
+{
+}
+
+TString TEvPrivate::TEvCreateDstResult::ToString() const {
+    return TStringBuilder() << ToStringHeader() << " {"
+        << " ReplicationId: " << ReplicationId
+        << " TargetId: " << TargetId
+        << " DstPathId: " << DstPathId
+        << " Status: " << NKikimrScheme::EStatus_Name(Status)
+        << " Error: " << Error
+    << " }";
+}
+
+bool TEvPrivate::TEvCreateDstResult::IsSuccess() const {
+    return Status == NKikimrScheme::StatusSuccess;
+}
+
+} // NController
+} // NReplication
+} // NKikimr
+
+Y_DECLARE_OUT_SPEC(, NKikimr::NReplication::NController::TEvPrivate::TEvDiscoveryResult::TAddEntry, stream, value) {
+    stream << value.first.Name << " (" << value.first.Type << ")";
+}
+
+Y_DECLARE_OUT_SPEC(, NKikimr::NReplication::NController::TEvPrivate::TEvDiscoveryResult::TFailedEntry, stream, value) {
+    stream << value.first << ": " << value.second.GetStatus() << " (";
+    value.second.GetIssues().PrintTo(stream, true);
+    stream << ")";
+}
diff --git a/ydb/core/tx/replication/controller/private_events.h b/ydb/core/tx/replication/controller/private_events.h
index fdb04d5f22..a25574b966 100644
--- a/ydb/core/tx/replication/controller/private_events.h
+++ b/ydb/core/tx/replication/controller/private_events.h
@@ -1,79 +1,79 @@
-#pragma once 
- 
+#pragma once
+
 #include <ydb/public/sdk/cpp/client/ydb_scheme/scheme.h>
- 
-#include <ydb/core/base/defs.h> 
-#include <ydb/core/base/events.h> 
-#include <ydb/core/base/pathid.h> 
-#include <ydb/core/protos/flat_tx_scheme.pb.h> 
- 
-namespace NKikimr { 
-namespace NReplication { 
-namespace NController { 
- 
-struct TEvPrivate { 
-    enum EEv { 
-        EvDiscoveryResult = EventSpaceBegin(TKikimrEvents::ES_PRIVATE), 
-        EvAssignStreamName, 
-        EvCreateStreamResult, 
-        EvCreateDstResult, 
- 
-        EvEnd, 
-    }; 
- 
-    static_assert(EvEnd < EventSpaceEnd(TKikimrEvents::ES_PRIVATE), "expect EvEnd < EventSpaceEnd(TKikimrEvents::ES_PRIVATE)"); 
- 
-    struct TEvDiscoveryResult: public TEventLocal<TEvDiscoveryResult, EvDiscoveryResult> { 
-        using TAddEntry = std::pair<NYdb::NScheme::TSchemeEntry, TString>; // src, dst 
-        using TFailedEntry = std::pair<TString, NYdb::TStatus>; // src, error 
- 
-        const ui64 ReplicationId; 
-        TVector<TAddEntry> ToAdd; 
-        TVector<ui64> ToDelete; 
-        TVector<TFailedEntry> Failed; 
- 
-        explicit TEvDiscoveryResult(ui64 rid, TVector<TAddEntry>&& toAdd, TVector<ui64>&& toDel); 
-        explicit TEvDiscoveryResult(ui64 rid, TVector<TFailedEntry>&& failed); 
-        TString ToString() const override; 
- 
-        bool IsSuccess() const; 
-    }; 
- 
-    struct TEvAssignStreamName: public TEventLocal<TEvAssignStreamName, EvAssignStreamName> { 
-        const ui64 ReplicationId; 
-        const ui64 TargetId; 
- 
-        explicit TEvAssignStreamName(ui64 rid, ui64 tid); 
-        TString ToString() const override; 
-    }; 
- 
-    struct TEvCreateStreamResult: public TEventLocal<TEvCreateStreamResult, EvCreateStreamResult> { 
-        const ui64 ReplicationId; 
-        const ui64 TargetId; 
-        const NYdb::TStatus Status; 
- 
-        explicit TEvCreateStreamResult(ui64 rid, ui64 tid, NYdb::TStatus&& status); 
-        TString ToString() const override; 
- 
-        bool IsSuccess() const; 
-    }; 
- 
-    struct TEvCreateDstResult: public TEventLocal<TEvCreateDstResult, EvCreateDstResult> { 
-        const ui64 ReplicationId; 
-        const ui64 TargetId; 
-        const TPathId DstPathId; 
-        const NKikimrScheme::EStatus Status; 
-        const TString Error; 
- 
-        explicit TEvCreateDstResult(ui64 rid, ui64 tid, const TPathId& dstPathId); 
-        explicit TEvCreateDstResult(ui64 rid, ui64 tid, NKikimrScheme::EStatus status, const TString& error); 
-        TString ToString() const override; 
- 
-        bool IsSuccess() const; 
-    }; 
- 
-}; // TEvPrivate 
- 
-} // NController 
-} // NReplication 
-} // NKikimr 
+
+#include <ydb/core/base/defs.h>
+#include <ydb/core/base/events.h>
+#include <ydb/core/base/pathid.h>
+#include <ydb/core/protos/flat_tx_scheme.pb.h>
+
+namespace NKikimr {
+namespace NReplication {
+namespace NController {
+
+struct TEvPrivate {
+    enum EEv {
+        EvDiscoveryResult = EventSpaceBegin(TKikimrEvents::ES_PRIVATE),
+        EvAssignStreamName,
+        EvCreateStreamResult,
+        EvCreateDstResult,
+
+        EvEnd,
+    };
+
+    static_assert(EvEnd < EventSpaceEnd(TKikimrEvents::ES_PRIVATE), "expect EvEnd < EventSpaceEnd(TKikimrEvents::ES_PRIVATE)");
+
+    struct TEvDiscoveryResult: public TEventLocal<TEvDiscoveryResult, EvDiscoveryResult> {
+        using TAddEntry = std::pair<NYdb::NScheme::TSchemeEntry, TString>; // src, dst
+        using TFailedEntry = std::pair<TString, NYdb::TStatus>; // src, error
+
+        const ui64 ReplicationId;
+        TVector<TAddEntry> ToAdd;
+        TVector<ui64> ToDelete;
+        TVector<TFailedEntry> Failed;
+
+        explicit TEvDiscoveryResult(ui64 rid, TVector<TAddEntry>&& toAdd, TVector<ui64>&& toDel);
+        explicit TEvDiscoveryResult(ui64 rid, TVector<TFailedEntry>&& failed);
+        TString ToString() const override;
+
+        bool IsSuccess() const;
+    };
+
+    struct TEvAssignStreamName: public TEventLocal<TEvAssignStreamName, EvAssignStreamName> {
+        const ui64 ReplicationId;
+        const ui64 TargetId;
+
+        explicit TEvAssignStreamName(ui64 rid, ui64 tid);
+        TString ToString() const override;
+    };
+
+    struct TEvCreateStreamResult: public TEventLocal<TEvCreateStreamResult, EvCreateStreamResult> {
+        const ui64 ReplicationId;
+        const ui64 TargetId;
+        const NYdb::TStatus Status;
+
+        explicit TEvCreateStreamResult(ui64 rid, ui64 tid, NYdb::TStatus&& status);
+        TString ToString() const override;
+
+        bool IsSuccess() const;
+    };
+
+    struct TEvCreateDstResult: public TEventLocal<TEvCreateDstResult, EvCreateDstResult> {
+        const ui64 ReplicationId;
+        const ui64 TargetId;
+        const TPathId DstPathId;
+        const NKikimrScheme::EStatus Status;
+        const TString Error;
+
+        explicit TEvCreateDstResult(ui64 rid, ui64 tid, const TPathId& dstPathId);
+        explicit TEvCreateDstResult(ui64 rid, ui64 tid, NKikimrScheme::EStatus status, const TString& error);
+        TString ToString() const override;
+
+        bool IsSuccess() const;
+    };
+
+}; // TEvPrivate
+
+} // NController
+} // NReplication
+} // NKikimr
diff --git a/ydb/core/tx/replication/controller/public_events.h b/ydb/core/tx/replication/controller/public_events.h
index 74b148523b..ea422a593e 100644
--- a/ydb/core/tx/replication/controller/public_events.h
+++ b/ydb/core/tx/replication/controller/public_events.h
@@ -1,44 +1,44 @@
-#pragma once 
- 
-#include <ydb/core/base/defs.h> 
-#include <ydb/core/base/events.h> 
-#include <ydb/core/protos/replication.pb.h> 
- 
-namespace NKikimr { 
-namespace NReplication { 
- 
-struct TEvController { 
-    enum EEv { 
-        EvCreateReplication = EventSpaceBegin(TKikimrEvents::ES_REPLICATION_CONTROLLER), 
-        EvCreateReplicationResult, 
-        EvAlterReplication, 
-        EvAlterReplicationResult, 
-        EvDropReplication, 
-        EvDropReplicationResult, 
- 
-        EvEnd, 
-    }; 
- 
-    static_assert(EvEnd < EventSpaceEnd(TKikimrEvents::ES_REPLICATION_CONTROLLER),  
-        "expect EvEnd < EventSpaceEnd(TKikimrEvents::ES_REPLICATION_CONTROLLER)"); 
- 
-    struct TEvCreateReplication 
-        : public TEventPB<TEvCreateReplication, NKikimrReplication::TEvCreateReplication, EvCreateReplication> 
-    {}; 
- 
-    struct TEvCreateReplicationResult 
-        : public TEventPB<TEvCreateReplicationResult, NKikimrReplication::TEvCreateReplicationResult, EvCreateReplicationResult> 
-    {}; 
- 
-    struct TEvDropReplication 
-        : public TEventPB<TEvDropReplication, NKikimrReplication::TEvDropReplication, EvDropReplication> 
-    {}; 
- 
-    struct TEvDropReplicationResult 
-        : public TEventPB<TEvDropReplicationResult, NKikimrReplication::TEvDropReplicationResult, EvDropReplicationResult> 
-    {}; 
- 
-}; // TEvController 
- 
-} // NReplication 
-} // NKikimr 
+#pragma once
+
+#include <ydb/core/base/defs.h>
+#include <ydb/core/base/events.h>
+#include <ydb/core/protos/replication.pb.h>
+
+namespace NKikimr {
+namespace NReplication {
+
+struct TEvController {
+    enum EEv {
+        EvCreateReplication = EventSpaceBegin(TKikimrEvents::ES_REPLICATION_CONTROLLER),
+        EvCreateReplicationResult,
+        EvAlterReplication,
+        EvAlterReplicationResult,
+        EvDropReplication,
+        EvDropReplicationResult,
+
+        EvEnd,
+    };
+
+    static_assert(EvEnd < EventSpaceEnd(TKikimrEvents::ES_REPLICATION_CONTROLLER), 
+        "expect EvEnd < EventSpaceEnd(TKikimrEvents::ES_REPLICATION_CONTROLLER)");
+
+    struct TEvCreateReplication
+        : public TEventPB<TEvCreateReplication, NKikimrReplication::TEvCreateReplication, EvCreateReplication>
+    {};
+
+    struct TEvCreateReplicationResult
+        : public TEventPB<TEvCreateReplicationResult, NKikimrReplication::TEvCreateReplicationResult, EvCreateReplicationResult>
+    {};
+
+    struct TEvDropReplication
+        : public TEventPB<TEvDropReplication, NKikimrReplication::TEvDropReplication, EvDropReplication>
+    {};
+
+    struct TEvDropReplicationResult
+        : public TEventPB<TEvDropReplicationResult, NKikimrReplication::TEvDropReplicationResult, EvDropReplicationResult>
+    {};
+
+}; // TEvController
+
+} // NReplication
+} // NKikimr
diff --git a/ydb/core/tx/replication/controller/replication.cpp b/ydb/core/tx/replication/controller/replication.cpp
index c590ec687f..aa5c26c151 100644
--- a/ydb/core/tx/replication/controller/replication.cpp
+++ b/ydb/core/tx/replication/controller/replication.cpp
@@ -1,230 +1,230 @@
-#include "discoverer.h" 
-#include "replication.h" 
-#include "target_table.h" 
-#include "util.h" 
- 
-#include <ydb/core/protos/replication.pb.h> 
-#include <ydb/core/tx/replication/ydb_proxy/ydb_proxy.h> 
-#include <ydb/core/util/yverify_stream.h> 
- 
-#include <library/cpp/actors/core/events.h> 
- 
-#include <util/generic/hash.h> 
-#include <util/generic/ptr.h> 
- 
-namespace NKikimr { 
-namespace NReplication { 
-namespace NController { 
- 
-class TReplication::TImpl { 
-    friend class TReplication; 
- 
-    template <typename... Args> 
-    ITarget* CreateTarget(ui64 id, ETargetKind kind, Args&&... args) const { 
-        switch (kind) { 
-        case ETargetKind::Table: 
-            return new TTableTarget(ReplicationId, id, std::forward<Args>(args)...); 
-        } 
-    } 
- 
-    void DiscoverTargets(const TActorContext& ctx) { 
-        switch (Config.GetTargetCase()) { 
-            case NKikimrReplication::TReplicationConfig::kEverything: 
-                return ErrorState("Not implemented"); 
- 
-            case NKikimrReplication::TReplicationConfig::kSpecific: { 
-                TVector<std::pair<TString, TString>> paths; 
-                for (const auto& target : Config.GetSpecific().GetTargets()) { 
-                    paths.emplace_back(target.GetSrcPath(), target.GetDstPath()); 
-                } 
- 
-                Discoverer = ctx.Register(CreateDiscoverer(ctx.SelfID, ReplicationId, YdbProxy, std::move(paths))); 
-                break; 
-            } 
- 
-            default: 
-                return ErrorState(TStringBuilder() << "Unexpected targets: " << Config.GetTargetCase()); 
-        } 
-    } 
- 
-    void ProgressTargets(const TActorContext& ctx) { 
-        for (auto& [_, target] : Targets) { 
-            target->Progress(PathId.OwnerId, YdbProxy, ctx); 
-        } 
-    } 
- 
-public: 
-    template <typename T> 
-    explicit TImpl(ui64 id, const TPathId& pathId, T&& config) 
-        : ReplicationId(id) 
-        , PathId(pathId) 
-        , Config(std::forward<T>(config)) 
-    { 
-    } 
- 
-    template <typename... Args> 
-    ui64 AddTarget(ui64 id, ETargetKind kind, Args&&... args) { 
-        const auto res = Targets.emplace(id, CreateTarget(id, kind, std::forward<Args>(args)...)); 
-        Y_VERIFY_S(res.second, "Duplicate target: " << id); 
-        return id; 
-    } 
- 
-    template <typename... Args> 
-    ui64 AddTarget(ETargetKind kind, Args&&... args) { 
-        return AddTarget(NextTargetId++, kind, std::forward<Args>(args)...); 
-    } 
- 
-    ITarget* FindTarget(ui64 id) { 
-        auto it = Targets.find(id); 
-        return it != Targets.end() 
-            ? it->second.Get() 
-            : nullptr; 
-    } 
- 
-    void Progress(const TActorContext& ctx) { 
-        if (!YdbProxy) { 
-            THolder<IActor> ydbProxy; 
-            switch (Config.GetCredentialsCase()) { 
-            case NKikimrReplication::TReplicationConfig::kStaticCredentials: 
-                ydbProxy.Reset(CreateYdbProxy(Config.GetSrcEndpoint(), Config.GetSrcDatabase(), Config.GetStaticCredentials())); 
-                break; 
-            default: 
-                ErrorState(TStringBuilder() << "Unexpected credentials: " << Config.GetCredentialsCase()); 
-                break; 
-            } 
- 
-            if (ydbProxy) { 
-                YdbProxy = ctx.Register(ydbProxy.Release()); 
-            } 
-        } 
- 
-        switch (State) { 
-        case EState::Ready: 
-            if (!Targets) { 
-                return DiscoverTargets(ctx); 
-            } else { 
-                return ProgressTargets(ctx); 
-            } 
-        case EState::Removing: 
-            return; // TODO 
-        case EState::Error: 
-            return; 
-        } 
-    } 
- 
-    void Shutdown(const TActorContext& ctx) { 
-        for (auto& [_, target] : Targets) { 
-            target->Shutdown(ctx); 
-        } 
- 
-        for (auto& x : TVector<TActorId>{Discoverer, YdbProxy}) { 
-            if (auto actorId = std::exchange(x, {})) { 
-                ctx.Send(actorId, new TEvents::TEvPoison()); 
-            } 
-        } 
-    } 
- 
-    void SetState(EState state, TString issue = {}) { 
-        State = state; 
-        Issue = TruncatedIssue(issue); 
-    } 
- 
-    void ErrorState(TString issue) { 
-        SetState(EState::Error, issue); 
-    } 
- 
-private: 
-    const ui64 ReplicationId; 
-    const TPathId PathId; 
- 
-    NKikimrReplication::TReplicationConfig Config; 
-    EState State = EState::Ready; 
-    TString Issue; 
-    ui64 NextTargetId = 1; 
-    THashMap<ui64, THolder<ITarget>> Targets; 
-    TActorId YdbProxy; 
-    TActorId Discoverer; 
- 
-}; // TImpl 
- 
-TReplication::TReplication(ui64 id, const TPathId& pathId, const NKikimrReplication::TReplicationConfig& config) 
-    : Impl(std::make_shared<TImpl>(id, pathId, config)) 
-{ 
-} 
- 
-TReplication::TReplication(ui64 id, const TPathId& pathId, NKikimrReplication::TReplicationConfig&& config) 
-    : Impl(std::make_shared<TImpl>(id, pathId, std::move(config))) 
-{ 
-} 
- 
-static auto ParseConfig(const TString& config) { 
-    NKikimrReplication::TReplicationConfig cfg; 
-    Y_VERIFY(cfg.ParseFromString(config)); 
-    return cfg; 
-} 
- 
-TReplication::TReplication(ui64 id, const TPathId& pathId, const TString& config) 
-    : Impl(std::make_shared<TImpl>(id, pathId, ParseConfig(config))) 
-{ 
-} 
- 
-ui64 TReplication::AddTarget(ETargetKind kind, const TString& srcPath, const TString& dstPath) { 
-    return Impl->AddTarget(kind, srcPath, dstPath); 
-} 
- 
-TReplication::ITarget* TReplication::AddTarget(ui64 id, ETargetKind kind, const TString& srcPath, const TString& dstPath) { 
-    Impl->AddTarget(id, kind, srcPath, dstPath); 
-    return Impl->FindTarget(id); 
-} 
- 
-const TReplication::ITarget* TReplication::FindTarget(ui64 id) const { 
-    return Impl->FindTarget(id); 
-} 
- 
-TReplication::ITarget* TReplication::FindTarget(ui64 id) { 
-    return Impl->FindTarget(id); 
-} 
- 
-void TReplication::Progress(const TActorContext& ctx) { 
-    Impl->Progress(ctx); 
-} 
- 
-void TReplication::Shutdown(const TActorContext& ctx) { 
-    Impl->Shutdown(ctx); 
-} 
- 
-ui64 TReplication::GetId() const { 
-    return Impl->ReplicationId; 
-} 
- 
-void TReplication::SetState(EState state, TString issue) { 
-    Impl->SetState(state, issue); 
-} 
- 
-TReplication::EState TReplication::GetState() const { 
-    return Impl->State; 
-} 
- 
-const TString& TReplication::GetIssue() const { 
-    return Impl->Issue; 
-} 
- 
-void TReplication::SetNextTargetId(ui64 value) { 
-    Impl->NextTargetId = value; 
-} 
- 
-ui64 TReplication::GetNextTargetId() const { 
-    return Impl->NextTargetId; 
-} 
- 
-} // NController 
-} // NReplication 
-} // NKikimr 
- 
-Y_DECLARE_OUT_SPEC(, NKikimrReplication::TReplicationConfig::TargetCase, stream, value) { 
-    stream << static_cast<int>(value); 
-} 
- 
-Y_DECLARE_OUT_SPEC(, NKikimrReplication::TReplicationConfig::CredentialsCase, stream, value) { 
-    stream << static_cast<int>(value); 
-} 
+#include "discoverer.h"
+#include "replication.h"
+#include "target_table.h"
+#include "util.h"
+
+#include <ydb/core/protos/replication.pb.h>
+#include <ydb/core/tx/replication/ydb_proxy/ydb_proxy.h>
+#include <ydb/core/util/yverify_stream.h>
+
+#include <library/cpp/actors/core/events.h>
+
+#include <util/generic/hash.h>
+#include <util/generic/ptr.h>
+
+namespace NKikimr {
+namespace NReplication {
+namespace NController {
+
+class TReplication::TImpl {
+    friend class TReplication;
+
+    template <typename... Args>
+    ITarget* CreateTarget(ui64 id, ETargetKind kind, Args&&... args) const {
+        switch (kind) {
+        case ETargetKind::Table:
+            return new TTableTarget(ReplicationId, id, std::forward<Args>(args)...);
+        }
+    }
+
+    void DiscoverTargets(const TActorContext& ctx) {
+        switch (Config.GetTargetCase()) {
+            case NKikimrReplication::TReplicationConfig::kEverything:
+                return ErrorState("Not implemented");
+
+            case NKikimrReplication::TReplicationConfig::kSpecific: {
+                TVector<std::pair<TString, TString>> paths;
+                for (const auto& target : Config.GetSpecific().GetTargets()) {
+                    paths.emplace_back(target.GetSrcPath(), target.GetDstPath());
+                }
+
+                Discoverer = ctx.Register(CreateDiscoverer(ctx.SelfID, ReplicationId, YdbProxy, std::move(paths)));
+                break;
+            }
+
+            default:
+                return ErrorState(TStringBuilder() << "Unexpected targets: " << Config.GetTargetCase());
+        }
+    }
+
+    void ProgressTargets(const TActorContext& ctx) {
+        for (auto& [_, target] : Targets) {
+            target->Progress(PathId.OwnerId, YdbProxy, ctx);
+        }
+    }
+
+public:
+    template <typename T>
+    explicit TImpl(ui64 id, const TPathId& pathId, T&& config)
+        : ReplicationId(id)
+        , PathId(pathId)
+        , Config(std::forward<T>(config))
+    {
+    }
+
+    template <typename... Args>
+    ui64 AddTarget(ui64 id, ETargetKind kind, Args&&... args) {
+        const auto res = Targets.emplace(id, CreateTarget(id, kind, std::forward<Args>(args)...));
+        Y_VERIFY_S(res.second, "Duplicate target: " << id);
+        return id;
+    }
+
+    template <typename... Args>
+    ui64 AddTarget(ETargetKind kind, Args&&... args) {
+        return AddTarget(NextTargetId++, kind, std::forward<Args>(args)...);
+    }
+
+    ITarget* FindTarget(ui64 id) {
+        auto it = Targets.find(id);
+        return it != Targets.end()
+            ? it->second.Get()
+            : nullptr;
+    }
+
+    void Progress(const TActorContext& ctx) {
+        if (!YdbProxy) {
+            THolder<IActor> ydbProxy;
+            switch (Config.GetCredentialsCase()) {
+            case NKikimrReplication::TReplicationConfig::kStaticCredentials:
+                ydbProxy.Reset(CreateYdbProxy(Config.GetSrcEndpoint(), Config.GetSrcDatabase(), Config.GetStaticCredentials()));
+                break;
+            default:
+                ErrorState(TStringBuilder() << "Unexpected credentials: " << Config.GetCredentialsCase());
+                break;
+            }
+
+            if (ydbProxy) {
+                YdbProxy = ctx.Register(ydbProxy.Release());
+            }
+        }
+
+        switch (State) {
+        case EState::Ready:
+            if (!Targets) {
+                return DiscoverTargets(ctx);
+            } else {
+                return ProgressTargets(ctx);
+            }
+        case EState::Removing:
+            return; // TODO
+        case EState::Error:
+            return;
+        }
+    }
+
+    void Shutdown(const TActorContext& ctx) {
+        for (auto& [_, target] : Targets) {
+            target->Shutdown(ctx);
+        }
+
+        for (auto& x : TVector<TActorId>{Discoverer, YdbProxy}) {
+            if (auto actorId = std::exchange(x, {})) {
+                ctx.Send(actorId, new TEvents::TEvPoison());
+            }
+        }
+    }
+
+    void SetState(EState state, TString issue = {}) {
+        State = state;
+        Issue = TruncatedIssue(issue);
+    }
+
+    void ErrorState(TString issue) {
+        SetState(EState::Error, issue);
+    }
+
+private:
+    const ui64 ReplicationId;
+    const TPathId PathId;
+
+    NKikimrReplication::TReplicationConfig Config;
+    EState State = EState::Ready;
+    TString Issue;
+    ui64 NextTargetId = 1;
+    THashMap<ui64, THolder<ITarget>> Targets;
+    TActorId YdbProxy;
+    TActorId Discoverer;
+
+}; // TImpl
+
+TReplication::TReplication(ui64 id, const TPathId& pathId, const NKikimrReplication::TReplicationConfig& config)
+    : Impl(std::make_shared<TImpl>(id, pathId, config))
+{
+}
+
+TReplication::TReplication(ui64 id, const TPathId& pathId, NKikimrReplication::TReplicationConfig&& config)
+    : Impl(std::make_shared<TImpl>(id, pathId, std::move(config)))
+{
+}
+
+static auto ParseConfig(const TString& config) {
+    NKikimrReplication::TReplicationConfig cfg;
+    Y_VERIFY(cfg.ParseFromString(config));
+    return cfg;
+}
+
+TReplication::TReplication(ui64 id, const TPathId& pathId, const TString& config)
+    : Impl(std::make_shared<TImpl>(id, pathId, ParseConfig(config)))
+{
+}
+
+ui64 TReplication::AddTarget(ETargetKind kind, const TString& srcPath, const TString& dstPath) {
+    return Impl->AddTarget(kind, srcPath, dstPath);
+}
+
+TReplication::ITarget* TReplication::AddTarget(ui64 id, ETargetKind kind, const TString& srcPath, const TString& dstPath) {
+    Impl->AddTarget(id, kind, srcPath, dstPath);
+    return Impl->FindTarget(id);
+}
+
+const TReplication::ITarget* TReplication::FindTarget(ui64 id) const {
+    return Impl->FindTarget(id);
+}
+
+TReplication::ITarget* TReplication::FindTarget(ui64 id) {
+    return Impl->FindTarget(id);
+}
+
+void TReplication::Progress(const TActorContext& ctx) {
+    Impl->Progress(ctx);
+}
+
+void TReplication::Shutdown(const TActorContext& ctx) {
+    Impl->Shutdown(ctx);
+}
+
+ui64 TReplication::GetId() const {
+    return Impl->ReplicationId;
+}
+
+void TReplication::SetState(EState state, TString issue) {
+    Impl->SetState(state, issue);
+}
+
+TReplication::EState TReplication::GetState() const {
+    return Impl->State;
+}
+
+const TString& TReplication::GetIssue() const {
+    return Impl->Issue;
+}
+
+void TReplication::SetNextTargetId(ui64 value) {
+    Impl->NextTargetId = value;
+}
+
+ui64 TReplication::GetNextTargetId() const {
+    return Impl->NextTargetId;
+}
+
+} // NController
+} // NReplication
+} // NKikimr
+
+Y_DECLARE_OUT_SPEC(, NKikimrReplication::TReplicationConfig::TargetCase, stream, value) {
+    stream << static_cast<int>(value);
+}
+
+Y_DECLARE_OUT_SPEC(, NKikimrReplication::TReplicationConfig::CredentialsCase, stream, value) {
+    stream << static_cast<int>(value);
+}
diff --git a/ydb/core/tx/replication/controller/replication.h b/ydb/core/tx/replication/controller/replication.h
index ce4a74e381..9bc2f529d5 100644
--- a/ydb/core/tx/replication/controller/replication.h
+++ b/ydb/core/tx/replication/controller/replication.h
@@ -1,104 +1,104 @@
-#pragma once 
- 
-#include "sys_params.h" 
- 
-#include <ydb/core/base/defs.h> 
-#include <ydb/core/base/pathid.h> 
- 
-#include <util/generic/ptr.h> 
- 
-#include <memory> 
- 
-namespace NKikimrReplication { 
-    class TReplicationConfig; 
-} 
- 
-namespace NKikimr { 
-namespace NReplication { 
-namespace NController { 
- 
-class TReplication: public TSimpleRefCount<TReplication> { 
-public: 
-    using TPtr = TIntrusivePtr<TReplication>; 
- 
-    enum class EState: ui8 { 
-        Ready, 
-        Removing, 
-        Error = 255 
-    }; 
- 
-    enum class ETargetKind: ui8 { 
-        Table, 
-    }; 
- 
-    enum class EDstState: ui8 { 
-        Creating, 
-        Syncing, 
-        Ready, 
-        Removing, 
-        Error = 255 
-    }; 
- 
-    enum class EStreamState: ui8 { 
-        Creating, 
-        Ready, 
-        Removing, 
-        Error = 255 
-    }; 
- 
-    class ITarget { 
-    public: 
-        virtual ~ITarget() = default; 
- 
-        virtual const TString& GetSrcPath() const = 0; 
-        virtual const TString& GetDstPath() const = 0; 
- 
-        virtual EDstState GetDstState() const = 0; 
-        virtual void SetDstState(const EDstState value) = 0; 
- 
-        virtual const TPathId& GetDstPathId() const = 0; 
-        virtual void SetDstPathId(const TPathId& value) = 0; 
- 
-        virtual const TString& GetStreamName() const = 0; 
-        virtual void SetStreamName(const TString& value) = 0; 
- 
-        virtual EStreamState GetStreamState() const = 0; 
-        virtual void SetStreamState(EStreamState value) = 0; 
- 
-        virtual const TString& GetIssue() const = 0; 
-        virtual void SetIssue(const TString& value) = 0; 
- 
-        virtual void Progress(ui64 schemeShardId, const TActorId& proxy, const TActorContext& ctx) = 0; 
-        virtual void Shutdown(const TActorContext& ctx) = 0; 
-    }; 
- 
-public: 
-    explicit TReplication(ui64 id, const TPathId& pathId, const NKikimrReplication::TReplicationConfig& config); 
-    explicit TReplication(ui64 id, const TPathId& pathId, NKikimrReplication::TReplicationConfig&& config); 
-    explicit TReplication(ui64 id, const TPathId& pathId, const TString& config); 
- 
-    ui64 AddTarget(ETargetKind kind, const TString& srcPath, const TString& dstPath); 
-    ITarget* AddTarget(ui64 id, ETargetKind kind, const TString& srcPath, const TString& dstPath); 
-    const ITarget* FindTarget(ui64 id) const; 
-    ITarget* FindTarget(ui64 id); 
- 
-    void Progress(const TActorContext& ctx); 
-    void Shutdown(const TActorContext& ctx); 
- 
-    ui64 GetId() const; 
-    void SetState(EState state, TString issue = {}); 
-    EState GetState() const; 
-    const TString& GetIssue() const; 
- 
-    void SetNextTargetId(ui64 value); 
-    ui64 GetNextTargetId() const; 
- 
-private: 
-    class TImpl; 
-    std::shared_ptr<TImpl> Impl; 
- 
-}; // TReplication 
- 
-} // NController 
-} // NReplication 
-} // NKikimr 
+#pragma once
+
+#include "sys_params.h"
+
+#include <ydb/core/base/defs.h>
+#include <ydb/core/base/pathid.h>
+
+#include <util/generic/ptr.h>
+
+#include <memory>
+
+namespace NKikimrReplication {
+    class TReplicationConfig;
+}
+
+namespace NKikimr {
+namespace NReplication {
+namespace NController {
+
+class TReplication: public TSimpleRefCount<TReplication> {
+public:
+    using TPtr = TIntrusivePtr<TReplication>;
+
+    enum class EState: ui8 {
+        Ready,
+        Removing,
+        Error = 255
+    };
+
+    enum class ETargetKind: ui8 {
+        Table,
+    };
+
+    enum class EDstState: ui8 {
+        Creating,
+        Syncing,
+        Ready,
+        Removing,
+        Error = 255
+    };
+
+    enum class EStreamState: ui8 {
+        Creating,
+        Ready,
+        Removing,
+        Error = 255
+    };
+
+    class ITarget {
+    public:
+        virtual ~ITarget() = default;
+
+        virtual const TString& GetSrcPath() const = 0;
+        virtual const TString& GetDstPath() const = 0;
+
+        virtual EDstState GetDstState() const = 0;
+        virtual void SetDstState(const EDstState value) = 0;
+
+        virtual const TPathId& GetDstPathId() const = 0;
+        virtual void SetDstPathId(const TPathId& value) = 0;
+
+        virtual const TString& GetStreamName() const = 0;
+        virtual void SetStreamName(const TString& value) = 0;
+
+        virtual EStreamState GetStreamState() const = 0;
+        virtual void SetStreamState(EStreamState value) = 0;
+
+        virtual const TString& GetIssue() const = 0;
+        virtual void SetIssue(const TString& value) = 0;
+
+        virtual void Progress(ui64 schemeShardId, const TActorId& proxy, const TActorContext& ctx) = 0;
+        virtual void Shutdown(const TActorContext& ctx) = 0;
+    };
+
+public:
+    explicit TReplication(ui64 id, const TPathId& pathId, const NKikimrReplication::TReplicationConfig& config);
+    explicit TReplication(ui64 id, const TPathId& pathId, NKikimrReplication::TReplicationConfig&& config);
+    explicit TReplication(ui64 id, const TPathId& pathId, const TString& config);
+
+    ui64 AddTarget(ETargetKind kind, const TString& srcPath, const TString& dstPath);
+    ITarget* AddTarget(ui64 id, ETargetKind kind, const TString& srcPath, const TString& dstPath);
+    const ITarget* FindTarget(ui64 id) const;
+    ITarget* FindTarget(ui64 id);
+
+    void Progress(const TActorContext& ctx);
+    void Shutdown(const TActorContext& ctx);
+
+    ui64 GetId() const;
+    void SetState(EState state, TString issue = {});
+    EState GetState() const;
+    const TString& GetIssue() const;
+
+    void SetNextTargetId(ui64 value);
+    ui64 GetNextTargetId() const;
+
+private:
+    class TImpl;
+    std::shared_ptr<TImpl> Impl;
+
+}; // TReplication
+
+} // NController
+} // NReplication
+} // NKikimr
diff --git a/ydb/core/tx/replication/controller/schema.h b/ydb/core/tx/replication/controller/schema.h
index 93d477e1b3..163caadd73 100644
--- a/ydb/core/tx/replication/controller/schema.h
+++ b/ydb/core/tx/replication/controller/schema.h
@@ -1,77 +1,77 @@
-#pragma once 
- 
-#include "replication.h" 
- 
+#pragma once
+
+#include "replication.h"
+
 #include <ydb/core/tablet_flat/flat_cxx_database.h>
- 
-namespace NKikimr { 
-namespace NReplication { 
-namespace NController { 
- 
-struct TControllerSchema: NIceDb::Schema { 
-    struct SysParams: Table<1> { 
-        struct Id: Column<1, NScheme::NTypeIds::Uint32> {}; 
-        struct IntValue: Column<2, NScheme::NTypeIds::Uint64> {}; 
-        struct TextValue: Column<3, NScheme::NTypeIds::Utf8> {}; 
-        struct BinaryValue: Column<4, NScheme::NTypeIds::String> {}; 
- 
-        using TKey = TableKey<Id>; 
-        using TColumns = TableColumns<Id, IntValue, TextValue, BinaryValue>; 
-    }; 
- 
-    struct Replications: Table<2> { 
-        struct Id: Column<1, NScheme::NTypeIds::Uint64> {}; 
-        struct PathOwnerId: Column<2, NScheme::NTypeIds::Uint64> {}; 
-        struct PathLocalId: Column<3, NScheme::NTypeIds::Uint64> {}; 
-        struct Config: Column<4, NScheme::NTypeIds::String> {}; 
-        struct State: Column<5, NScheme::NTypeIds::Uint8> { using Type = TReplication::EState; }; 
-        struct Issue: Column<6, NScheme::NTypeIds::Utf8> {}; 
-        struct NextTargetId: Column<7, NScheme::NTypeIds::Uint64> { static constexpr Type Default = 1; }; 
- 
-        using TKey = TableKey<Id>; 
-        using TColumns = TableColumns<Id, PathOwnerId, PathLocalId, Config, State, Issue, NextTargetId>; 
-    }; 
- 
-    struct Targets: Table<3> { 
-        struct ReplicationId: Column<1, NScheme::NTypeIds::Uint64> {}; 
-        struct Id: Column<2, NScheme::NTypeIds::Uint64> {}; 
-        struct Kind: Column<3, NScheme::NTypeIds::Uint8> { using Type = TReplication::ETargetKind; }; 
-        struct SrcPath: Column<4, NScheme::NTypeIds::Utf8> {}; 
-        struct DstPath: Column<5, NScheme::NTypeIds::Utf8> {}; 
-        struct DstState: Column<6, NScheme::NTypeIds::Uint8> { using Type = TReplication::EDstState; }; 
-        struct DstPathOwnerId: Column<7, NScheme::NTypeIds::Uint64> { 
-            using Type = TOwnerId; 
-            static constexpr Type Default = InvalidOwnerId; 
-        }; 
-        struct DstPathLocalId: Column<8, NScheme::NTypeIds::Uint64> { 
-            using Type = TLocalPathId; 
-            static constexpr Type Default = InvalidLocalPathId; 
-        }; 
-        struct Issue: Column<9, NScheme::NTypeIds::Utf8> {}; 
- 
-        using TKey = TableKey<ReplicationId, Id>; 
-        using TColumns = TableColumns<ReplicationId, Id, Kind, SrcPath, DstPath, DstState, DstPathOwnerId, DstPathLocalId, Issue>; 
-    }; 
- 
-    struct SrcStreams: Table<4> { 
-        struct ReplicationId: Column<1, NScheme::NTypeIds::Uint64> {}; 
-        struct TargetId: Column<2, NScheme::NTypeIds::Uint64> {}; 
-        struct Name: Column<3, NScheme::NTypeIds::Utf8> {}; 
-        struct State: Column<4, NScheme::NTypeIds::Uint8> { using Type = TReplication::EStreamState; }; 
- 
-        using TKey = TableKey<ReplicationId, TargetId>; 
-        using TColumns = TableColumns<ReplicationId, TargetId, Name, State>; 
-    }; 
- 
-    using TTables = SchemaTables< 
-        SysParams, 
-        Replications, 
-        Targets, 
-        SrcStreams 
-    >; 
- 
-}; // TControllerSchema 
- 
-} // NController 
-} // NReplication 
-} // NKikimr 
+
+namespace NKikimr {
+namespace NReplication {
+namespace NController {
+
+struct TControllerSchema: NIceDb::Schema {
+    struct SysParams: Table<1> {
+        struct Id: Column<1, NScheme::NTypeIds::Uint32> {};
+        struct IntValue: Column<2, NScheme::NTypeIds::Uint64> {};
+        struct TextValue: Column<3, NScheme::NTypeIds::Utf8> {};
+        struct BinaryValue: Column<4, NScheme::NTypeIds::String> {};
+
+        using TKey = TableKey<Id>;
+        using TColumns = TableColumns<Id, IntValue, TextValue, BinaryValue>;
+    };
+
+    struct Replications: Table<2> {
+        struct Id: Column<1, NScheme::NTypeIds::Uint64> {};
+        struct PathOwnerId: Column<2, NScheme::NTypeIds::Uint64> {};
+        struct PathLocalId: Column<3, NScheme::NTypeIds::Uint64> {};
+        struct Config: Column<4, NScheme::NTypeIds::String> {};
+        struct State: Column<5, NScheme::NTypeIds::Uint8> { using Type = TReplication::EState; };
+        struct Issue: Column<6, NScheme::NTypeIds::Utf8> {};
+        struct NextTargetId: Column<7, NScheme::NTypeIds::Uint64> { static constexpr Type Default = 1; };
+
+        using TKey = TableKey<Id>;
+        using TColumns = TableColumns<Id, PathOwnerId, PathLocalId, Config, State, Issue, NextTargetId>;
+    };
+
+    struct Targets: Table<3> {
+        struct ReplicationId: Column<1, NScheme::NTypeIds::Uint64> {};
+        struct Id: Column<2, NScheme::NTypeIds::Uint64> {};
+        struct Kind: Column<3, NScheme::NTypeIds::Uint8> { using Type = TReplication::ETargetKind; };
+        struct SrcPath: Column<4, NScheme::NTypeIds::Utf8> {};
+        struct DstPath: Column<5, NScheme::NTypeIds::Utf8> {};
+        struct DstState: Column<6, NScheme::NTypeIds::Uint8> { using Type = TReplication::EDstState; };
+        struct DstPathOwnerId: Column<7, NScheme::NTypeIds::Uint64> {
+            using Type = TOwnerId;
+            static constexpr Type Default = InvalidOwnerId;
+        };
+        struct DstPathLocalId: Column<8, NScheme::NTypeIds::Uint64> {
+            using Type = TLocalPathId;
+            static constexpr Type Default = InvalidLocalPathId;
+        };
+        struct Issue: Column<9, NScheme::NTypeIds::Utf8> {};
+
+        using TKey = TableKey<ReplicationId, Id>;
+        using TColumns = TableColumns<ReplicationId, Id, Kind, SrcPath, DstPath, DstState, DstPathOwnerId, DstPathLocalId, Issue>;
+    };
+
+    struct SrcStreams: Table<4> {
+        struct ReplicationId: Column<1, NScheme::NTypeIds::Uint64> {};
+        struct TargetId: Column<2, NScheme::NTypeIds::Uint64> {};
+        struct Name: Column<3, NScheme::NTypeIds::Utf8> {};
+        struct State: Column<4, NScheme::NTypeIds::Uint8> { using Type = TReplication::EStreamState; };
+
+        using TKey = TableKey<ReplicationId, TargetId>;
+        using TColumns = TableColumns<ReplicationId, TargetId, Name, State>;
+    };
+
+    using TTables = SchemaTables<
+        SysParams,
+        Replications,
+        Targets,
+        SrcStreams
+    >;
+
+}; // TControllerSchema
+
+} // NController
+} // NReplication
+} // NKikimr
diff --git a/ydb/core/tx/replication/controller/stream_creator.cpp b/ydb/core/tx/replication/controller/stream_creator.cpp
index d95c3eb180..fe03b285f2 100644
--- a/ydb/core/tx/replication/controller/stream_creator.cpp
+++ b/ydb/core/tx/replication/controller/stream_creator.cpp
@@ -1,58 +1,58 @@
-#include "stream_creator.h" 
-#include "private_events.h" 
- 
-#include <library/cpp/actors/core/actor_bootstrapped.h> 
-#include <library/cpp/actors/core/hfunc.h> 
- 
-#include <ydb/core/tx/replication/ydb_proxy/ydb_proxy.h> 
- 
-namespace NKikimr { 
-namespace NReplication { 
-namespace NController { 
- 
-class TStreamCreator: public TActorBootstrapped<TStreamCreator> { 
-public: 
-    static constexpr NKikimrServices::TActivity::EType ActorActivityType() { 
-        return NKikimrServices::TActivity::REPLICATION_CONTROLLER_STREAM_CREATOR; 
-    } 
- 
-    explicit TStreamCreator(const TActorId& parent, ui64 rid, ui64 tid, const TActorId& proxy) 
-        : Parent(parent) 
-        , ReplicationId(rid) 
-        , TargetId(tid) 
-        , YdbProxy(proxy) 
-    { 
-        // TODO: remove it 
-        Y_UNUSED(Parent); 
-        Y_UNUSED(ReplicationId); 
-        Y_UNUSED(TargetId); 
-        Y_UNUSED(YdbProxy); 
-    } 
- 
-    void Bootstrap() { 
-        // TODO: send request 
-        Become(&TThis::StateWork); 
-    } 
- 
-    STATEFN(StateWork) { 
-        switch (ev->GetTypeRewrite()) { 
-            // TODO: handle response 
-            sFunc(TEvents::TEvPoison, PassAway); 
-        } 
-    } 
- 
-private: 
-    const TActorId Parent; 
-    const ui64 ReplicationId; 
-    const ui64 TargetId; 
-    const TActorId YdbProxy; 
- 
-}; // TStreamCreator 
- 
-IActor* CreateStreamCreator(const TActorId& parent, ui64 rid, ui64 tid, const TActorId& proxy) { 
-    return new TStreamCreator(parent, rid, tid, proxy); 
-} 
- 
-} // NController 
-} // NReplication 
-} // NKikimr 
+#include "stream_creator.h"
+#include "private_events.h"
+
+#include <library/cpp/actors/core/actor_bootstrapped.h>
+#include <library/cpp/actors/core/hfunc.h>
+
+#include <ydb/core/tx/replication/ydb_proxy/ydb_proxy.h>
+
+namespace NKikimr {
+namespace NReplication {
+namespace NController {
+
+class TStreamCreator: public TActorBootstrapped<TStreamCreator> {
+public:
+    static constexpr NKikimrServices::TActivity::EType ActorActivityType() {
+        return NKikimrServices::TActivity::REPLICATION_CONTROLLER_STREAM_CREATOR;
+    }
+
+    explicit TStreamCreator(const TActorId& parent, ui64 rid, ui64 tid, const TActorId& proxy)
+        : Parent(parent)
+        , ReplicationId(rid)
+        , TargetId(tid)
+        , YdbProxy(proxy)
+    {
+        // TODO: remove it
+        Y_UNUSED(Parent);
+        Y_UNUSED(ReplicationId);
+        Y_UNUSED(TargetId);
+        Y_UNUSED(YdbProxy);
+    }
+
+    void Bootstrap() {
+        // TODO: send request
+        Become(&TThis::StateWork);
+    }
+
+    STATEFN(StateWork) {
+        switch (ev->GetTypeRewrite()) {
+            // TODO: handle response
+            sFunc(TEvents::TEvPoison, PassAway);
+        }
+    }
+
+private:
+    const TActorId Parent;
+    const ui64 ReplicationId;
+    const ui64 TargetId;
+    const TActorId YdbProxy;
+
+}; // TStreamCreator
+
+IActor* CreateStreamCreator(const TActorId& parent, ui64 rid, ui64 tid, const TActorId& proxy) {
+    return new TStreamCreator(parent, rid, tid, proxy);
+}
+
+} // NController
+} // NReplication
+} // NKikimr
diff --git a/ydb/core/tx/replication/controller/stream_creator.h b/ydb/core/tx/replication/controller/stream_creator.h
index 213d523116..b08f9da3aa 100644
--- a/ydb/core/tx/replication/controller/stream_creator.h
+++ b/ydb/core/tx/replication/controller/stream_creator.h
@@ -1,13 +1,13 @@
-#pragma once 
- 
-#include <ydb/core/base/defs.h> 
- 
-namespace NKikimr { 
-namespace NReplication { 
-namespace NController { 
- 
-IActor* CreateStreamCreator(const TActorId& parent, ui64 rid, ui64 tid, const TActorId& proxy); 
- 
-} // NController 
-} // NReplication 
-} // NKikimr 
+#pragma once
+
+#include <ydb/core/base/defs.h>
+
+namespace NKikimr {
+namespace NReplication {
+namespace NController {
+
+IActor* CreateStreamCreator(const TActorId& parent, ui64 rid, ui64 tid, const TActorId& proxy);
+
+} // NController
+} // NReplication
+} // NKikimr
diff --git a/ydb/core/tx/replication/controller/sys_params.cpp b/ydb/core/tx/replication/controller/sys_params.cpp
index e0abe8e4fd..2c228e7dbe 100644
--- a/ydb/core/tx/replication/controller/sys_params.cpp
+++ b/ydb/core/tx/replication/controller/sys_params.cpp
@@ -1,43 +1,43 @@
-#include "schema.h" 
-#include "sys_params.h" 
- 
-namespace NKikimr { 
-namespace NReplication { 
-namespace NController { 
- 
-TSysParams::TSysParams() { 
-    Reset(); 
-} 
- 
-void TSysParams::Reset() { 
-    NextReplicationId = 1; 
-} 
- 
-void TSysParams::Load(ESysParam type, ISysParamLoader* loader) { 
-    switch (type) { 
-    case ESysParam::NextReplicationId: 
-        NextReplicationId = loader->LoadInt(); 
-        break; 
-    default: 
-        break; // ignore 
-    } 
-} 
- 
-void TSysParams::Load(ui32 type, ISysParamLoader* loader) { 
-    Load(ESysParam(type), loader); 
-} 
- 
-ui64 TSysParams::AllocateReplicationId(NIceDb::TNiceDb& db) { 
-    using Schema = TControllerSchema; 
-    const auto result = NextReplicationId++; 
- 
-    db.Table<Schema::SysParams>().Key(ui32(ESysParam::NextReplicationId)).Update( 
-        NIceDb::TUpdate<Schema::SysParams::IntValue>(NextReplicationId) 
-    ); 
- 
-    return result; 
-} 
- 
-} // NController 
-} // NReplication 
-} // NKikimr 
+#include "schema.h"
+#include "sys_params.h"
+
+namespace NKikimr {
+namespace NReplication {
+namespace NController {
+
+TSysParams::TSysParams() {
+    Reset();
+}
+
+void TSysParams::Reset() {
+    NextReplicationId = 1;
+}
+
+void TSysParams::Load(ESysParam type, ISysParamLoader* loader) {
+    switch (type) {
+    case ESysParam::NextReplicationId:
+        NextReplicationId = loader->LoadInt();
+        break;
+    default:
+        break; // ignore
+    }
+}
+
+void TSysParams::Load(ui32 type, ISysParamLoader* loader) {
+    Load(ESysParam(type), loader);
+}
+
+ui64 TSysParams::AllocateReplicationId(NIceDb::TNiceDb& db) {
+    using Schema = TControllerSchema;
+    const auto result = NextReplicationId++;
+
+    db.Table<Schema::SysParams>().Key(ui32(ESysParam::NextReplicationId)).Update(
+        NIceDb::TUpdate<Schema::SysParams::IntValue>(NextReplicationId)
+    );
+
+    return result;
+}
+
+} // NController
+} // NReplication
+} // NKikimr
diff --git a/ydb/core/tx/replication/controller/sys_params.h b/ydb/core/tx/replication/controller/sys_params.h
index 4eaf6f7bdf..f8226fbbf3 100644
--- a/ydb/core/tx/replication/controller/sys_params.h
+++ b/ydb/core/tx/replication/controller/sys_params.h
@@ -1,42 +1,42 @@
-#pragma once 
- 
-#include <util/generic/fwd.h> 
- 
-namespace NKikimr { 
- 
-namespace NIceDb { 
-    class TNiceDb; 
-} 
- 
-namespace NReplication { 
-namespace NController { 
- 
-class ISysParamLoader { 
-public: 
-    virtual ~ISysParamLoader() = default; 
-    virtual ui64 LoadInt() = 0; 
-    virtual TString LoadText() = 0; 
-    virtual TString LoadBinary() = 0; 
-}; 
- 
-class TSysParams { 
-    enum class ESysParam: ui32 { 
-        NextReplicationId = 1, 
-    }; 
- 
-public: 
-    TSysParams(); 
-    void Reset(); 
-    void Load(ESysParam type, ISysParamLoader* loader); 
-    void Load(ui32 type, ISysParamLoader* loader); 
- 
-    ui64 AllocateReplicationId(NIceDb::TNiceDb& db); 
- 
-private: 
-    ui64 NextReplicationId; 
- 
-}; // TSysParams 
- 
-} // NController 
-} // NReplication 
-} // NKikimr 
+#pragma once
+
+#include <util/generic/fwd.h>
+
+namespace NKikimr {
+
+namespace NIceDb {
+    class TNiceDb;
+}
+
+namespace NReplication {
+namespace NController {
+
+class ISysParamLoader {
+public:
+    virtual ~ISysParamLoader() = default;
+    virtual ui64 LoadInt() = 0;
+    virtual TString LoadText() = 0;
+    virtual TString LoadBinary() = 0;
+};
+
+class TSysParams {
+    enum class ESysParam: ui32 {
+        NextReplicationId = 1,
+    };
+
+public:
+    TSysParams();
+    void Reset();
+    void Load(ESysParam type, ISysParamLoader* loader);
+    void Load(ui32 type, ISysParamLoader* loader);
+
+    ui64 AllocateReplicationId(NIceDb::TNiceDb& db);
+
+private:
+    ui64 NextReplicationId;
+
+}; // TSysParams
+
+} // NController
+} // NReplication
+} // NKikimr
diff --git a/ydb/core/tx/replication/controller/target_base.cpp b/ydb/core/tx/replication/controller/target_base.cpp
index 7cd3ba7ccc..0d3d3ee67b 100644
--- a/ydb/core/tx/replication/controller/target_base.cpp
+++ b/ydb/core/tx/replication/controller/target_base.cpp
@@ -1,109 +1,109 @@
-#include "dst_creator.h" 
-#include "target_base.h" 
-#include "util.h" 
- 
-#include <library/cpp/actors/core/events.h> 
- 
-namespace NKikimr { 
-namespace NReplication { 
-namespace NController { 
- 
-using EDstState = TReplication::EDstState; 
-using EStreamState = TReplication::EStreamState; 
- 
-TTargetBase::TTargetBase(ETargetKind kind, ui64 rid, ui64 tid, const TString& srcPath, const TString& dstPath) 
-    : Kind(kind) 
-    , ReplicationId(rid) 
-    , TargetId(tid) 
-    , SrcPath(srcPath) 
-    , DstPath(dstPath) 
-{ 
-} 
- 
-const TString& TTargetBase::GetSrcPath() const { 
-    return SrcPath; 
-} 
- 
-const TString& TTargetBase::GetDstPath() const { 
-    return DstPath; 
-} 
- 
-EDstState TTargetBase::GetDstState() const { 
-    return DstState; 
-} 
- 
-void TTargetBase::SetDstState(const EDstState value) { 
-    DstState = value; 
-} 
- 
-const TPathId& TTargetBase::GetDstPathId() const { 
-    return DstPathId; 
-} 
- 
-void TTargetBase::SetDstPathId(const TPathId& value) { 
-    DstPathId = value; 
-} 
- 
-const TString& TTargetBase::GetStreamName() const { 
-    return StreamName; 
-} 
- 
-void TTargetBase::SetStreamName(const TString& value) { 
-    StreamName = value; 
-} 
- 
-EStreamState TTargetBase::GetStreamState() const { 
-    return StreamState; 
-} 
- 
-void TTargetBase::SetStreamState(EStreamState value) { 
-    StreamState = value; 
-} 
- 
-const TString& TTargetBase::GetIssue() const { 
-    return Issue; 
-} 
- 
-void TTargetBase::SetIssue(const TString& value) { 
-    Issue = value; 
-    TruncatedIssue(Issue); 
-} 
- 
-ui64 TTargetBase::GetReplicationId() const { 
-    return ReplicationId; 
-} 
- 
-ui64 TTargetBase::GetTargetId() const { 
-    return TargetId; 
-} 
- 
-void TTargetBase::Progress(ui64 schemeShardId, const TActorId& proxy, const TActorContext& ctx) { 
-    switch (DstState) { 
-    case EDstState::Creating: 
-        if (!DstCreator) { 
-            DstCreator = ctx.Register(CreateDstCreator(ctx.SelfID, schemeShardId, proxy, 
-                ReplicationId, TargetId, Kind, SrcPath, DstPath)); 
-        } 
-        break; 
-    case EDstState::Syncing: 
-        break; // TODO 
-    case EDstState::Ready: 
-        break; // TODO 
-    case EDstState::Removing: 
-        break; // TODO 
-    case EDstState::Error: 
-        break; 
-    } 
-} 
- 
-void TTargetBase::Shutdown(const TActorContext& ctx) { 
-    for (auto& x : TVector<TActorId>{DstCreator, DstRemover}) { 
-        if (auto actorId = std::exchange(x, {})) { 
-            ctx.Send(actorId, new TEvents::TEvPoison()); 
-        } 
-    } 
-} 
- 
-} // NController 
-} // NReplication 
-} // NKikimr 
+#include "dst_creator.h"
+#include "target_base.h"
+#include "util.h"
+
+#include <library/cpp/actors/core/events.h>
+
+namespace NKikimr {
+namespace NReplication {
+namespace NController {
+
+using EDstState = TReplication::EDstState;
+using EStreamState = TReplication::EStreamState;
+
+TTargetBase::TTargetBase(ETargetKind kind, ui64 rid, ui64 tid, const TString& srcPath, const TString& dstPath)
+    : Kind(kind)
+    , ReplicationId(rid)
+    , TargetId(tid)
+    , SrcPath(srcPath)
+    , DstPath(dstPath)
+{
+}
+
+const TString& TTargetBase::GetSrcPath() const {
+    return SrcPath;
+}
+
+const TString& TTargetBase::GetDstPath() const {
+    return DstPath;
+}
+
+EDstState TTargetBase::GetDstState() const {
+    return DstState;
+}
+
+void TTargetBase::SetDstState(const EDstState value) {
+    DstState = value;
+}
+
+const TPathId& TTargetBase::GetDstPathId() const {
+    return DstPathId;
+}
+
+void TTargetBase::SetDstPathId(const TPathId& value) {
+    DstPathId = value;
+}
+
+const TString& TTargetBase::GetStreamName() const {
+    return StreamName;
+}
+
+void TTargetBase::SetStreamName(const TString& value) {
+    StreamName = value;
+}
+
+EStreamState TTargetBase::GetStreamState() const {
+    return StreamState;
+}
+
+void TTargetBase::SetStreamState(EStreamState value) {
+    StreamState = value;
+}
+
+const TString& TTargetBase::GetIssue() const {
+    return Issue;
+}
+
+void TTargetBase::SetIssue(const TString& value) {
+    Issue = value;
+    TruncatedIssue(Issue);
+}
+
+ui64 TTargetBase::GetReplicationId() const {
+    return ReplicationId;
+}
+
+ui64 TTargetBase::GetTargetId() const {
+    return TargetId;
+}
+
+void TTargetBase::Progress(ui64 schemeShardId, const TActorId& proxy, const TActorContext& ctx) {
+    switch (DstState) {
+    case EDstState::Creating:
+        if (!DstCreator) {
+            DstCreator = ctx.Register(CreateDstCreator(ctx.SelfID, schemeShardId, proxy,
+                ReplicationId, TargetId, Kind, SrcPath, DstPath));
+        }
+        break;
+    case EDstState::Syncing:
+        break; // TODO
+    case EDstState::Ready:
+        break; // TODO
+    case EDstState::Removing:
+        break; // TODO
+    case EDstState::Error:
+        break;
+    }
+}
+
+void TTargetBase::Shutdown(const TActorContext& ctx) {
+    for (auto& x : TVector<TActorId>{DstCreator, DstRemover}) {
+        if (auto actorId = std::exchange(x, {})) {
+            ctx.Send(actorId, new TEvents::TEvPoison());
+        }
+    }
+}
+
+} // NController
+} // NReplication
+} // NKikimr
diff --git a/ydb/core/tx/replication/controller/target_base.h b/ydb/core/tx/replication/controller/target_base.h
index afc811deb6..c6fa0ff085 100644
--- a/ydb/core/tx/replication/controller/target_base.h
+++ b/ydb/core/tx/replication/controller/target_base.h
@@ -1,63 +1,63 @@
-#pragma once 
- 
-#include "replication.h" 
- 
-namespace NKikimr { 
-namespace NReplication { 
-namespace NController { 
- 
-class TTargetBase: public TReplication::ITarget { 
-protected: 
-    using ETargetKind = TReplication::ETargetKind; 
-    using EDstState = TReplication::EDstState; 
-    using EStreamState = TReplication::EStreamState; 
- 
-public: 
-    explicit TTargetBase(ETargetKind kind, ui64 rid, ui64 tid, const TString& srcPath, const TString& dstPath); 
- 
-    const TString& GetSrcPath() const override; 
-    const TString& GetDstPath() const override; 
- 
-    EDstState GetDstState() const override; 
-    void SetDstState(const EDstState value) override; 
- 
-    const TPathId& GetDstPathId() const override; 
-    void SetDstPathId(const TPathId& value) override; 
- 
-    const TString& GetStreamName() const override; 
-    void SetStreamName(const TString& value) override; 
- 
-    EStreamState GetStreamState() const override; 
-    void SetStreamState(EStreamState value) override; 
- 
-    const TString& GetIssue() const override; 
-    void SetIssue(const TString& value) override; 
- 
-    void Progress(ui64 schemeShardId, const TActorId& proxy, const TActorContext& ctx) override; 
-    void Shutdown(const TActorContext& ctx) override; 
- 
-protected: 
-    ui64 GetReplicationId() const; 
-    ui64 GetTargetId() const; 
- 
-private: 
-    const ETargetKind Kind; 
-    const ui64 ReplicationId; 
-    const ui64 TargetId; 
-    const TString SrcPath; 
-    const TString DstPath; 
- 
-    EDstState DstState = EDstState::Creating; 
-    TPathId DstPathId; 
-    TString StreamName; 
-    EStreamState StreamState = EStreamState::Ready; 
-    TString Issue; 
- 
-    TActorId DstCreator; 
-    TActorId DstRemover; 
- 
-}; // TTargetBase 
- 
-} // NController 
-} // NReplication 
-} // NKikimr 
+#pragma once
+
+#include "replication.h"
+
+namespace NKikimr {
+namespace NReplication {
+namespace NController {
+
+class TTargetBase: public TReplication::ITarget {
+protected:
+    using ETargetKind = TReplication::ETargetKind;
+    using EDstState = TReplication::EDstState;
+    using EStreamState = TReplication::EStreamState;
+
+public:
+    explicit TTargetBase(ETargetKind kind, ui64 rid, ui64 tid, const TString& srcPath, const TString& dstPath);
+
+    const TString& GetSrcPath() const override;
+    const TString& GetDstPath() const override;
+
+    EDstState GetDstState() const override;
+    void SetDstState(const EDstState value) override;
+
+    const TPathId& GetDstPathId() const override;
+    void SetDstPathId(const TPathId& value) override;
+
+    const TString& GetStreamName() const override;
+    void SetStreamName(const TString& value) override;
+
+    EStreamState GetStreamState() const override;
+    void SetStreamState(EStreamState value) override;
+
+    const TString& GetIssue() const override;
+    void SetIssue(const TString& value) override;
+
+    void Progress(ui64 schemeShardId, const TActorId& proxy, const TActorContext& ctx) override;
+    void Shutdown(const TActorContext& ctx) override;
+
+protected:
+    ui64 GetReplicationId() const;
+    ui64 GetTargetId() const;
+
+private:
+    const ETargetKind Kind;
+    const ui64 ReplicationId;
+    const ui64 TargetId;
+    const TString SrcPath;
+    const TString DstPath;
+
+    EDstState DstState = EDstState::Creating;
+    TPathId DstPathId;
+    TString StreamName;
+    EStreamState StreamState = EStreamState::Ready;
+    TString Issue;
+
+    TActorId DstCreator;
+    TActorId DstRemover;
+
+}; // TTargetBase
+
+} // NController
+} // NReplication
+} // NKikimr
diff --git a/ydb/core/tx/replication/controller/target_table.cpp b/ydb/core/tx/replication/controller/target_table.cpp
index ade125592c..a8613ac7ac 100644
--- a/ydb/core/tx/replication/controller/target_table.cpp
+++ b/ydb/core/tx/replication/controller/target_table.cpp
@@ -1,14 +1,14 @@
-#include "target_table.h" 
- 
-namespace NKikimr { 
-namespace NReplication { 
-namespace NController { 
- 
-TTableTarget::TTableTarget(ui64 rid, ui64 tid, const TString& srcPath, const TString& dstPath) 
-    : TTargetWithStream(ETargetKind::Table, rid, tid, srcPath, dstPath) 
-{ 
-} 
- 
-} // NController 
-} // NReplication 
-} // NKikimr 
+#include "target_table.h"
+
+namespace NKikimr {
+namespace NReplication {
+namespace NController {
+
+TTableTarget::TTableTarget(ui64 rid, ui64 tid, const TString& srcPath, const TString& dstPath)
+    : TTargetWithStream(ETargetKind::Table, rid, tid, srcPath, dstPath)
+{
+}
+
+} // NController
+} // NReplication
+} // NKikimr
diff --git a/ydb/core/tx/replication/controller/target_table.h b/ydb/core/tx/replication/controller/target_table.h
index 7afaa2f4d0..85928bcefc 100644
--- a/ydb/core/tx/replication/controller/target_table.h
+++ b/ydb/core/tx/replication/controller/target_table.h
@@ -1,17 +1,17 @@
-#pragma once 
- 
-#include "target_with_stream.h" 
- 
-namespace NKikimr { 
-namespace NReplication { 
-namespace NController { 
- 
-class TTableTarget: public TTargetWithStream { 
-public: 
-    explicit TTableTarget(ui64 rid, ui64 tid, const TString& srcPath, const TString& dstPath); 
- 
-}; // TTableTarget 
- 
-} // NController 
-} // NReplication 
-} // NKikimr 
+#pragma once
+
+#include "target_with_stream.h"
+
+namespace NKikimr {
+namespace NReplication {
+namespace NController {
+
+class TTableTarget: public TTargetWithStream {
+public:
+    explicit TTableTarget(ui64 rid, ui64 tid, const TString& srcPath, const TString& dstPath);
+
+}; // TTableTarget
+
+} // NController
+} // NReplication
+} // NKikimr
diff --git a/ydb/core/tx/replication/controller/target_with_stream.cpp b/ydb/core/tx/replication/controller/target_with_stream.cpp
index 7a7cf78337..72d4fe438a 100644
--- a/ydb/core/tx/replication/controller/target_with_stream.cpp
+++ b/ydb/core/tx/replication/controller/target_with_stream.cpp
@@ -1,43 +1,43 @@
-#include "private_events.h" 
-#include "stream_creator.h" 
-#include "target_with_stream.h" 
- 
-#include <library/cpp/actors/core/events.h> 
- 
-namespace NKikimr { 
-namespace NReplication { 
-namespace NController { 
- 
-void TTargetWithStream::Progress(ui64 schemeShardId, const TActorId& proxy, const TActorContext& ctx) { 
-    switch (GetStreamState()) { 
-    case EStreamState::Creating: 
-        if (GetStreamName().empty() && !NameAssignmentInProcess) { 
-            ctx.Send(ctx.SelfID, new TEvPrivate::TEvAssignStreamName(GetReplicationId(), GetTargetId())); 
-            NameAssignmentInProcess = true; 
-        } else if (!StreamCreator) { 
-            StreamCreator = ctx.Register(CreateStreamCreator(ctx.SelfID, GetReplicationId(), GetTargetId(), proxy)); 
-        } 
-        return; 
-    case EStreamState::Removing: 
-        return; // TODO 
-    case EStreamState::Ready: 
-    case EStreamState::Error: 
-        break; 
-    } 
- 
-    TTargetBase::Progress(schemeShardId, proxy, ctx); 
-} 
- 
-void TTargetWithStream::Shutdown(const TActorContext& ctx) { 
-    for (auto& x : TVector<TActorId>{StreamCreator, StreamRemover}) { 
-        if (auto actorId = std::exchange(x, {})) { 
-            ctx.Send(actorId, new TEvents::TEvPoison()); 
-        } 
-    } 
- 
-    TTargetBase::Shutdown(ctx); 
-} 
- 
-} // NController 
-} // NReplication 
-} // NKikimr 
+#include "private_events.h"
+#include "stream_creator.h"
+#include "target_with_stream.h"
+
+#include <library/cpp/actors/core/events.h>
+
+namespace NKikimr {
+namespace NReplication {
+namespace NController {
+
+void TTargetWithStream::Progress(ui64 schemeShardId, const TActorId& proxy, const TActorContext& ctx) {
+    switch (GetStreamState()) {
+    case EStreamState::Creating:
+        if (GetStreamName().empty() && !NameAssignmentInProcess) {
+            ctx.Send(ctx.SelfID, new TEvPrivate::TEvAssignStreamName(GetReplicationId(), GetTargetId()));
+            NameAssignmentInProcess = true;
+        } else if (!StreamCreator) {
+            StreamCreator = ctx.Register(CreateStreamCreator(ctx.SelfID, GetReplicationId(), GetTargetId(), proxy));
+        }
+        return;
+    case EStreamState::Removing:
+        return; // TODO
+    case EStreamState::Ready:
+    case EStreamState::Error:
+        break;
+    }
+
+    TTargetBase::Progress(schemeShardId, proxy, ctx);
+}
+
+void TTargetWithStream::Shutdown(const TActorContext& ctx) {
+    for (auto& x : TVector<TActorId>{StreamCreator, StreamRemover}) {
+        if (auto actorId = std::exchange(x, {})) {
+            ctx.Send(actorId, new TEvents::TEvPoison());
+        }
+    }
+
+    TTargetBase::Shutdown(ctx);
+}
+
+} // NController
+} // NReplication
+} // NKikimr
diff --git a/ydb/core/tx/replication/controller/target_with_stream.h b/ydb/core/tx/replication/controller/target_with_stream.h
index d129706cd7..df58baddfb 100644
--- a/ydb/core/tx/replication/controller/target_with_stream.h
+++ b/ydb/core/tx/replication/controller/target_with_stream.h
@@ -1,30 +1,30 @@
-#pragma once 
- 
-#include "target_base.h" 
- 
-namespace NKikimr { 
-namespace NReplication { 
-namespace NController { 
- 
-class TTargetWithStream: public TTargetBase { 
-public: 
-    template <typename... Args> 
-    explicit TTargetWithStream(Args&&... args) 
-        : TTargetBase(std::forward<Args>(args)...) 
-    { 
-        SetStreamState(EStreamState::Creating); 
-    } 
- 
-    void Progress(ui64 schemeShardId, const TActorId& proxy, const TActorContext& ctx) override; 
-    void Shutdown(const TActorContext& ctx) override; 
- 
-private: 
-    bool NameAssignmentInProcess = false; 
-    TActorId StreamCreator; 
-    TActorId StreamRemover; 
- 
-}; // TTargetWithStream 
- 
-} // NController 
-} // NReplication 
-} // NKikimr 
+#pragma once
+
+#include "target_base.h"
+
+namespace NKikimr {
+namespace NReplication {
+namespace NController {
+
+class TTargetWithStream: public TTargetBase {
+public:
+    template <typename... Args>
+    explicit TTargetWithStream(Args&&... args)
+        : TTargetBase(std::forward<Args>(args)...)
+    {
+        SetStreamState(EStreamState::Creating);
+    }
+
+    void Progress(ui64 schemeShardId, const TActorId& proxy, const TActorContext& ctx) override;
+    void Shutdown(const TActorContext& ctx) override;
+
+private:
+    bool NameAssignmentInProcess = false;
+    TActorId StreamCreator;
+    TActorId StreamRemover;
+
+}; // TTargetWithStream
+
+} // NController
+} // NReplication
+} // NKikimr
diff --git a/ydb/core/tx/replication/controller/tx_assign_stream_name.cpp b/ydb/core/tx/replication/controller/tx_assign_stream_name.cpp
index 794a8ca831..0062f82b45 100644
--- a/ydb/core/tx/replication/controller/tx_assign_stream_name.cpp
+++ b/ydb/core/tx/replication/controller/tx_assign_stream_name.cpp
@@ -1,83 +1,83 @@
-#include "controller_impl.h" 
- 
-#include <util/generic/guid.h> 
- 
-namespace NKikimr { 
-namespace NReplication { 
-namespace NController { 
- 
-class TController::TTxAssignStreamName: public TTxBase { 
-    TEvPrivate::TEvAssignStreamName::TPtr Ev; 
-    TReplication::TPtr Replication; 
- 
-public: 
-    explicit TTxAssignStreamName(TController* self, TEvPrivate::TEvAssignStreamName::TPtr& ev) 
-        : TTxBase("TxAssignStreamName", self) 
-        , Ev(ev) 
-    { 
-    } 
- 
-    TTxType GetTxType() const override { 
-        return TXTYPE_ASSIGN_STREAM_NAME; 
-    } 
- 
-    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override { 
-        CLOG_D(ctx, "Execute: " << Ev->Get()->ToString()); 
- 
-        const auto rid = Ev->Get()->ReplicationId; 
-        const auto tid = Ev->Get()->TargetId; 
- 
-        Replication = Self->Find(rid); 
-        if (!Replication) { 
-            CLOG_W(ctx, "Unknown replication" 
-                << ": rid# " << rid); 
-            return true; 
-        } 
- 
-        auto* target = Replication->FindTarget(tid); 
-        if (!target) { 
-            CLOG_W(ctx, "Unknown target" 
-                << ": rid# " << rid 
-                << ", tid# " << tid); 
-            return true; 
-        } 
- 
-        if (!target->GetStreamName().empty()) { 
-            CLOG_W(ctx, "Stream name already assigned" 
-                << ": rid# " << rid 
-                << ", tid# " << tid); 
-            return true; 
-        } 
- 
-        target->SetStreamName(CreateGuidAsString()); 
- 
-        NIceDb::TNiceDb db(txc.DB); 
-        db.Table<Schema::SrcStreams>().Key(rid, tid).Update( 
-            NIceDb::TUpdate<Schema::SrcStreams::Name>(target->GetStreamName()) 
-        ); 
- 
-        CLOG_N(ctx, "Stream name assigned" 
-            << ": rid# " << rid 
-            << ", tid# " << tid 
-            << ", name# " << target->GetStreamName()); 
- 
-        return true; 
-    } 
- 
-    void Complete(const TActorContext& ctx) override { 
-        CLOG_D(ctx, "Complete"); 
- 
-        if (Replication) { 
-            Replication->Progress(ctx); 
-        } 
-    } 
- 
-}; // TTxAssignStreamName 
- 
-void TController::RunTxAssignStreamName(TEvPrivate::TEvAssignStreamName::TPtr& ev, const TActorContext& ctx) { 
-    Execute(new TTxAssignStreamName(this, ev), ctx); 
-} 
- 
-} // NController 
-} // NReplication 
-} // NKikimr 
+#include "controller_impl.h"
+
+#include <util/generic/guid.h>
+
+namespace NKikimr {
+namespace NReplication {
+namespace NController {
+
+class TController::TTxAssignStreamName: public TTxBase {
+    TEvPrivate::TEvAssignStreamName::TPtr Ev;
+    TReplication::TPtr Replication;
+
+public:
+    explicit TTxAssignStreamName(TController* self, TEvPrivate::TEvAssignStreamName::TPtr& ev)
+        : TTxBase("TxAssignStreamName", self)
+        , Ev(ev)
+    {
+    }
+
+    TTxType GetTxType() const override {
+        return TXTYPE_ASSIGN_STREAM_NAME;
+    }
+
+    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override {
+        CLOG_D(ctx, "Execute: " << Ev->Get()->ToString());
+
+        const auto rid = Ev->Get()->ReplicationId;
+        const auto tid = Ev->Get()->TargetId;
+
+        Replication = Self->Find(rid);
+        if (!Replication) {
+            CLOG_W(ctx, "Unknown replication"
+                << ": rid# " << rid);
+            return true;
+        }
+
+        auto* target = Replication->FindTarget(tid);
+        if (!target) {
+            CLOG_W(ctx, "Unknown target"
+                << ": rid# " << rid
+                << ", tid# " << tid);
+            return true;
+        }
+
+        if (!target->GetStreamName().empty()) {
+            CLOG_W(ctx, "Stream name already assigned"
+                << ": rid# " << rid
+                << ", tid# " << tid);
+            return true;
+        }
+
+        target->SetStreamName(CreateGuidAsString());
+
+        NIceDb::TNiceDb db(txc.DB);
+        db.Table<Schema::SrcStreams>().Key(rid, tid).Update(
+            NIceDb::TUpdate<Schema::SrcStreams::Name>(target->GetStreamName())
+        );
+
+        CLOG_N(ctx, "Stream name assigned"
+            << ": rid# " << rid
+            << ", tid# " << tid
+            << ", name# " << target->GetStreamName());
+
+        return true;
+    }
+
+    void Complete(const TActorContext& ctx) override {
+        CLOG_D(ctx, "Complete");
+
+        if (Replication) {
+            Replication->Progress(ctx);
+        }
+    }
+
+}; // TTxAssignStreamName
+
+void TController::RunTxAssignStreamName(TEvPrivate::TEvAssignStreamName::TPtr& ev, const TActorContext& ctx) {
+    Execute(new TTxAssignStreamName(this, ev), ctx);
+}
+
+} // NController
+} // NReplication
+} // NKikimr
diff --git a/ydb/core/tx/replication/controller/tx_create_dst_result.cpp b/ydb/core/tx/replication/controller/tx_create_dst_result.cpp
index 60d3404ed9..5af19e35b7 100644
--- a/ydb/core/tx/replication/controller/tx_create_dst_result.cpp
+++ b/ydb/core/tx/replication/controller/tx_create_dst_result.cpp
@@ -1,95 +1,95 @@
-#include "controller_impl.h" 
- 
-namespace NKikimr { 
-namespace NReplication { 
-namespace NController { 
- 
-class TController::TTxCreateDstResult: public TTxBase { 
-    TEvPrivate::TEvCreateDstResult::TPtr Ev; 
-    TReplication::TPtr Replication; 
- 
-public: 
-    explicit TTxCreateDstResult(TController* self, TEvPrivate::TEvCreateDstResult::TPtr& ev) 
-        : TTxBase("TxCreateDstResult", self) 
-        , Ev(ev) 
-    { 
-    } 
- 
-    TTxType GetTxType() const override { 
-        return TXTYPE_CREATE_DST_RESULT; 
-    } 
- 
-    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override { 
-        CLOG_D(ctx, "Execute: " << Ev->Get()->ToString()); 
- 
-        const auto rid = Ev->Get()->ReplicationId; 
-        const auto tid = Ev->Get()->TargetId; 
- 
-        Replication = Self->Find(rid); 
-        if (!Replication) { 
-            CLOG_W(ctx, "Unknown replication" 
-                << ": rid# " << rid); 
-            return true; 
-        } 
- 
-        auto* target = Replication->FindTarget(tid); 
-        if (!target) { 
-            CLOG_W(ctx, "Unknown target" 
-                << ": rid# " << rid 
-                << ", tid# " << tid); 
-            return true; 
-        } 
- 
-        if (Ev->Get()->IsSuccess()) { 
-            target->SetDstPathId(Ev->Get()->DstPathId); 
-            target->SetDstState(TReplication::EDstState::Ready); 
- 
-            CLOG_N(ctx, "Target dst created" 
-                << ": rid# " << rid 
-                << ", tid# " << tid 
-                << ", pathId# " << Ev->Get()->DstPathId); 
-        } else { 
-            Replication->SetState(TReplication::EState::Error); 
-            target->SetDstState(TReplication::EDstState::Error); 
-            target->SetIssue(TStringBuilder() << "Create dst error" 
-                << ": " << NKikimrScheme::EStatus_Name(Ev->Get()->Status) 
-                << ", " << Ev->Get()->Error); 
- 
-            CLOG_E(ctx, "Create dst error" 
-                << ": rid# " << rid 
-                << ", tid# " << tid 
-                << ", " << NKikimrScheme::EStatus_Name(Ev->Get()->Status) 
-                << ", " << Ev->Get()->Error); 
-        } 
- 
-        NIceDb::TNiceDb db(txc.DB); 
-        db.Table<Schema::Replications>().Key(rid).Update( 
-            NIceDb::TUpdate<Schema::Replications::State>(Replication->GetState()) 
-        ); 
-        db.Table<Schema::Targets>().Key(rid, tid).Update( 
-            NIceDb::TUpdate<Schema::Targets::DstPathOwnerId>(target->GetDstPathId().OwnerId), 
-            NIceDb::TUpdate<Schema::Targets::DstPathLocalId>(target->GetDstPathId().LocalPathId), 
-            NIceDb::TUpdate<Schema::Targets::DstState>(target->GetDstState()), 
-            NIceDb::TUpdate<Schema::Targets::Issue>(target->GetIssue()) 
-        ); 
- 
-        return true; 
-    } 
- 
-    void Complete(const TActorContext& ctx) override { 
-        CLOG_D(ctx, "Complete"); 
- 
-        if (Replication) { 
-            Replication->Progress(ctx); 
-        } 
-    } 
- 
-}; // TTxCreateDstResult 
- 
-void TController::RunTxCreateDstResult(TEvPrivate::TEvCreateDstResult::TPtr& ev, const TActorContext& ctx) { 
-    Execute(new TTxCreateDstResult(this, ev), ctx); 
-} 
- 
-} // NController 
-} // NReplication 
-} // NKikimr 
+#include "controller_impl.h"
+
+namespace NKikimr {
+namespace NReplication {
+namespace NController {
+
+class TController::TTxCreateDstResult: public TTxBase {
+    TEvPrivate::TEvCreateDstResult::TPtr Ev;
+    TReplication::TPtr Replication;
+
+public:
+    explicit TTxCreateDstResult(TController* self, TEvPrivate::TEvCreateDstResult::TPtr& ev)
+        : TTxBase("TxCreateDstResult", self)
+        , Ev(ev)
+    {
+    }
+
+    TTxType GetTxType() const override {
+        return TXTYPE_CREATE_DST_RESULT;
+    }
+
+    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override {
+        CLOG_D(ctx, "Execute: " << Ev->Get()->ToString());
+
+        const auto rid = Ev->Get()->ReplicationId;
+        const auto tid = Ev->Get()->TargetId;
+
+        Replication = Self->Find(rid);
+        if (!Replication) {
+            CLOG_W(ctx, "Unknown replication"
+                << ": rid# " << rid);
+            return true;
+        }
+
+        auto* target = Replication->FindTarget(tid);
+        if (!target) {
+            CLOG_W(ctx, "Unknown target"
+                << ": rid# " << rid
+                << ", tid# " << tid);
+            return true;
+        }
+
+        if (Ev->Get()->IsSuccess()) {
+            target->SetDstPathId(Ev->Get()->DstPathId);
+            target->SetDstState(TReplication::EDstState::Ready);
+
+            CLOG_N(ctx, "Target dst created"
+                << ": rid# " << rid
+                << ", tid# " << tid
+                << ", pathId# " << Ev->Get()->DstPathId);
+        } else {
+            Replication->SetState(TReplication::EState::Error);
+            target->SetDstState(TReplication::EDstState::Error);
+            target->SetIssue(TStringBuilder() << "Create dst error"
+                << ": " << NKikimrScheme::EStatus_Name(Ev->Get()->Status)
+                << ", " << Ev->Get()->Error);
+
+            CLOG_E(ctx, "Create dst error"
+                << ": rid# " << rid
+                << ", tid# " << tid
+                << ", " << NKikimrScheme::EStatus_Name(Ev->Get()->Status)
+                << ", " << Ev->Get()->Error);
+        }
+
+        NIceDb::TNiceDb db(txc.DB);
+        db.Table<Schema::Replications>().Key(rid).Update(
+            NIceDb::TUpdate<Schema::Replications::State>(Replication->GetState())
+        );
+        db.Table<Schema::Targets>().Key(rid, tid).Update(
+            NIceDb::TUpdate<Schema::Targets::DstPathOwnerId>(target->GetDstPathId().OwnerId),
+            NIceDb::TUpdate<Schema::Targets::DstPathLocalId>(target->GetDstPathId().LocalPathId),
+            NIceDb::TUpdate<Schema::Targets::DstState>(target->GetDstState()),
+            NIceDb::TUpdate<Schema::Targets::Issue>(target->GetIssue())
+        );
+
+        return true;
+    }
+
+    void Complete(const TActorContext& ctx) override {
+        CLOG_D(ctx, "Complete");
+
+        if (Replication) {
+            Replication->Progress(ctx);
+        }
+    }
+
+}; // TTxCreateDstResult
+
+void TController::RunTxCreateDstResult(TEvPrivate::TEvCreateDstResult::TPtr& ev, const TActorContext& ctx) {
+    Execute(new TTxCreateDstResult(this, ev), ctx);
+}
+
+} // NController
+} // NReplication
+} // NKikimr
diff --git a/ydb/core/tx/replication/controller/tx_create_replication.cpp b/ydb/core/tx/replication/controller/tx_create_replication.cpp
index fbbe6a9e2d..6a987478a3 100644
--- a/ydb/core/tx/replication/controller/tx_create_replication.cpp
+++ b/ydb/core/tx/replication/controller/tx_create_replication.cpp
@@ -1,78 +1,78 @@
-#include "controller_impl.h" 
- 
-namespace NKikimr { 
-namespace NReplication { 
-namespace NController { 
- 
-class TController::TTxCreateReplication: public TTxBase { 
-    TEvController::TEvCreateReplication::TPtr Ev; 
-    THolder<TEvController::TEvCreateReplicationResult> Result; 
-    TReplication::TPtr Replication; 
- 
-public: 
-    explicit TTxCreateReplication(TController* self, TEvController::TEvCreateReplication::TPtr& ev) 
-        : TTxBase("TxCreateReplication", self) 
-        , Ev(ev) 
-    { 
-    } 
- 
-    TTxType GetTxType() const override { 
-        return TXTYPE_CREATE_REPLICATION; 
-    } 
- 
-    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override { 
-        CLOG_D(ctx, "Execute: " << Ev->Get()->ToString()); 
- 
-        const auto& record = Ev->Get()->Record; 
-        Result = MakeHolder<TEvController::TEvCreateReplicationResult>(); 
-        Result->Record.MutableOperationId()->CopyFrom(record.GetOperationId()); 
-        Result->Record.SetOrigin(Self->TabletID()); 
- 
-        const auto pathId = PathIdFromPathId(record.GetPathId()); 
-        if (Self->Find(pathId)) { 
-            CLOG_W(ctx, "Replication already exists" 
-                << ": pathId# " << pathId); 
- 
-            Result->Record.SetStatus(NKikimrReplication::TEvCreateReplicationResult::ALREADY_EXISTS); 
-            return true; 
-        } 
- 
-        NIceDb::TNiceDb db(txc.DB); 
-        const auto rid = Self->SysParams.AllocateReplicationId(db); 
- 
-        Replication = Self->Add(rid, pathId, record.GetConfig()); 
-        db.Table<Schema::Replications>().Key(rid).Update( 
-            NIceDb::TUpdate<Schema::Replications::PathOwnerId>(pathId.OwnerId), 
-            NIceDb::TUpdate<Schema::Replications::PathLocalId>(pathId.LocalPathId), 
-            NIceDb::TUpdate<Schema::Replications::Config>(record.GetConfig().SerializeAsString()) 
-        ); 
- 
-        CLOG_N(ctx, "Add replication" 
-            << ": rid# " << rid 
-            << ", pathId# " << pathId); 
- 
-        Result->Record.SetStatus(NKikimrReplication::TEvCreateReplicationResult::SUCCESS); 
-        return true; 
-    } 
- 
-    void Complete(const TActorContext& ctx) override { 
-        CLOG_D(ctx, "Complete"); 
- 
-        if (Result) { 
-            ctx.Send(Ev->Sender, Result.Release(), 0, Ev->Cookie); 
-        } 
- 
-        if (Replication) { 
-            Replication->Progress(ctx); 
-        } 
-    } 
- 
-}; // TTxCreateReplication 
- 
-void TController::RunTxCreateReplication(TEvController::TEvCreateReplication::TPtr& ev, const TActorContext& ctx) { 
-    Execute(new TTxCreateReplication(this, ev), ctx); 
-} 
- 
-} // NController 
-} // NReplication 
-} // NKikimr 
+#include "controller_impl.h"
+
+namespace NKikimr {
+namespace NReplication {
+namespace NController {
+
+class TController::TTxCreateReplication: public TTxBase {
+    TEvController::TEvCreateReplication::TPtr Ev;
+    THolder<TEvController::TEvCreateReplicationResult> Result;
+    TReplication::TPtr Replication;
+
+public:
+    explicit TTxCreateReplication(TController* self, TEvController::TEvCreateReplication::TPtr& ev)
+        : TTxBase("TxCreateReplication", self)
+        , Ev(ev)
+    {
+    }
+
+    TTxType GetTxType() const override {
+        return TXTYPE_CREATE_REPLICATION;
+    }
+
+    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override {
+        CLOG_D(ctx, "Execute: " << Ev->Get()->ToString());
+
+        const auto& record = Ev->Get()->Record;
+        Result = MakeHolder<TEvController::TEvCreateReplicationResult>();
+        Result->Record.MutableOperationId()->CopyFrom(record.GetOperationId());
+        Result->Record.SetOrigin(Self->TabletID());
+
+        const auto pathId = PathIdFromPathId(record.GetPathId());
+        if (Self->Find(pathId)) {
+            CLOG_W(ctx, "Replication already exists"
+                << ": pathId# " << pathId);
+
+            Result->Record.SetStatus(NKikimrReplication::TEvCreateReplicationResult::ALREADY_EXISTS);
+            return true;
+        }
+
+        NIceDb::TNiceDb db(txc.DB);
+        const auto rid = Self->SysParams.AllocateReplicationId(db);
+
+        Replication = Self->Add(rid, pathId, record.GetConfig());
+        db.Table<Schema::Replications>().Key(rid).Update(
+            NIceDb::TUpdate<Schema::Replications::PathOwnerId>(pathId.OwnerId),
+            NIceDb::TUpdate<Schema::Replications::PathLocalId>(pathId.LocalPathId),
+            NIceDb::TUpdate<Schema::Replications::Config>(record.GetConfig().SerializeAsString())
+        );
+
+        CLOG_N(ctx, "Add replication"
+            << ": rid# " << rid
+            << ", pathId# " << pathId);
+
+        Result->Record.SetStatus(NKikimrReplication::TEvCreateReplicationResult::SUCCESS);
+        return true;
+    }
+
+    void Complete(const TActorContext& ctx) override {
+        CLOG_D(ctx, "Complete");
+
+        if (Result) {
+            ctx.Send(Ev->Sender, Result.Release(), 0, Ev->Cookie);
+        }
+
+        if (Replication) {
+            Replication->Progress(ctx);
+        }
+    }
+
+}; // TTxCreateReplication
+
+void TController::RunTxCreateReplication(TEvController::TEvCreateReplication::TPtr& ev, const TActorContext& ctx) {
+    Execute(new TTxCreateReplication(this, ev), ctx);
+}
+
+} // NController
+} // NReplication
+} // NKikimr
diff --git a/ydb/core/tx/replication/controller/tx_create_stream_result.cpp b/ydb/core/tx/replication/controller/tx_create_stream_result.cpp
index d22c844c7f..41fbdab6b9 100644
--- a/ydb/core/tx/replication/controller/tx_create_stream_result.cpp
+++ b/ydb/core/tx/replication/controller/tx_create_stream_result.cpp
@@ -1,89 +1,89 @@
-#include "controller_impl.h" 
- 
-namespace NKikimr { 
-namespace NReplication { 
-namespace NController { 
- 
-class TController::TTxCreateStreamResult: public TTxBase { 
-    TEvPrivate::TEvCreateStreamResult::TPtr Ev; 
-    TReplication::TPtr Replication; 
- 
-public: 
-    explicit TTxCreateStreamResult(TController* self, TEvPrivate::TEvCreateStreamResult::TPtr& ev) 
-        : TTxBase("TxCreateStreamResult", self) 
-        , Ev(ev) 
-    { 
-    } 
- 
-    TTxType GetTxType() const override { 
-        return TXTYPE_CREATE_STREAM_RESULT; 
-    } 
- 
-    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override { 
-        CLOG_D(ctx, "Execute: " << Ev->Get()->ToString()); 
- 
-        const auto rid = Ev->Get()->ReplicationId; 
-        const auto tid = Ev->Get()->TargetId; 
- 
-        Replication = Self->Find(rid); 
-        if (!Replication) { 
-            CLOG_W(ctx, "Unknown replication" 
-                << ": rid# " << rid); 
-            return true; 
-        } 
- 
-        auto* target = Replication->FindTarget(tid); 
-        if (!target) { 
-            CLOG_W(ctx, "Unknown target" 
-                << ": rid# " << rid 
-                << ", tid# " << tid); 
-            return true; 
-        } 
- 
-        if (Ev->Get()->IsSuccess()) { 
-            target->SetStreamState(TReplication::EStreamState::Ready); 
- 
-            CLOG_N(ctx, "Stream created" 
-                << ": rid# " << rid 
-                << ", tid# " << tid); 
-        } else { 
-            const auto& status = Ev->Get()->Status; 
- 
-            Replication->SetState(TReplication::EState::Error); 
-            target->SetStreamState(TReplication::EStreamState::Error); 
-            target->SetIssue(TStringBuilder() << "Create stream error" 
-                << ": " << status.GetStatus() 
-                << ", " << status.GetIssues().ToOneLineString()); 
- 
-            CLOG_E(ctx, "Create stream error" 
-                << ": rid# " << rid 
-                << ", tid# " << tid 
-                << ", status# " << status.GetStatus() 
-                << ", issue# " << status.GetIssues().ToOneLineString()); 
-        } 
- 
-        NIceDb::TNiceDb db(txc.DB); 
-        db.Table<Schema::SrcStreams>().Key(rid, tid).Update<Schema::SrcStreams::State>(target->GetStreamState()); 
-        db.Table<Schema::Targets>().Key(rid, tid).Update<Schema::Targets::Issue>(target->GetIssue()); 
-        db.Table<Schema::Replications>().Key(rid).Update<Schema::Replications::State>(Replication->GetState()); 
- 
-        return true; 
-    } 
- 
-    void Complete(const TActorContext& ctx) override { 
-        CLOG_D(ctx, "Complete"); 
- 
-        if (Replication) { 
-            Replication->Progress(ctx); 
-        } 
-    } 
- 
-}; // TTxCreateStreamResult 
- 
-void TController::RunTxCreateStreamResult(TEvPrivate::TEvCreateStreamResult::TPtr& ev, const TActorContext& ctx) { 
-    Execute(new TTxCreateStreamResult(this, ev), ctx); 
-} 
- 
-} // NController 
-} // NReplication 
-} // NKikimr 
+#include "controller_impl.h"
+
+namespace NKikimr {
+namespace NReplication {
+namespace NController {
+
+class TController::TTxCreateStreamResult: public TTxBase {
+    TEvPrivate::TEvCreateStreamResult::TPtr Ev;
+    TReplication::TPtr Replication;
+
+public:
+    explicit TTxCreateStreamResult(TController* self, TEvPrivate::TEvCreateStreamResult::TPtr& ev)
+        : TTxBase("TxCreateStreamResult", self)
+        , Ev(ev)
+    {
+    }
+
+    TTxType GetTxType() const override {
+        return TXTYPE_CREATE_STREAM_RESULT;
+    }
+
+    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override {
+        CLOG_D(ctx, "Execute: " << Ev->Get()->ToString());
+
+        const auto rid = Ev->Get()->ReplicationId;
+        const auto tid = Ev->Get()->TargetId;
+
+        Replication = Self->Find(rid);
+        if (!Replication) {
+            CLOG_W(ctx, "Unknown replication"
+                << ": rid# " << rid);
+            return true;
+        }
+
+        auto* target = Replication->FindTarget(tid);
+        if (!target) {
+            CLOG_W(ctx, "Unknown target"
+                << ": rid# " << rid
+                << ", tid# " << tid);
+            return true;
+        }
+
+        if (Ev->Get()->IsSuccess()) {
+            target->SetStreamState(TReplication::EStreamState::Ready);
+
+            CLOG_N(ctx, "Stream created"
+                << ": rid# " << rid
+                << ", tid# " << tid);
+        } else {
+            const auto& status = Ev->Get()->Status;
+
+            Replication->SetState(TReplication::EState::Error);
+            target->SetStreamState(TReplication::EStreamState::Error);
+            target->SetIssue(TStringBuilder() << "Create stream error"
+                << ": " << status.GetStatus()
+                << ", " << status.GetIssues().ToOneLineString());
+
+            CLOG_E(ctx, "Create stream error"
+                << ": rid# " << rid
+                << ", tid# " << tid
+                << ", status# " << status.GetStatus()
+                << ", issue# " << status.GetIssues().ToOneLineString());
+        }
+
+        NIceDb::TNiceDb db(txc.DB);
+        db.Table<Schema::SrcStreams>().Key(rid, tid).Update<Schema::SrcStreams::State>(target->GetStreamState());
+        db.Table<Schema::Targets>().Key(rid, tid).Update<Schema::Targets::Issue>(target->GetIssue());
+        db.Table<Schema::Replications>().Key(rid).Update<Schema::Replications::State>(Replication->GetState());
+
+        return true;
+    }
+
+    void Complete(const TActorContext& ctx) override {
+        CLOG_D(ctx, "Complete");
+
+        if (Replication) {
+            Replication->Progress(ctx);
+        }
+    }
+
+}; // TTxCreateStreamResult
+
+void TController::RunTxCreateStreamResult(TEvPrivate::TEvCreateStreamResult::TPtr& ev, const TActorContext& ctx) {
+    Execute(new TTxCreateStreamResult(this, ev), ctx);
+}
+
+} // NController
+} // NReplication
+} // NKikimr
diff --git a/ydb/core/tx/replication/controller/tx_discovery_result.cpp b/ydb/core/tx/replication/controller/tx_discovery_result.cpp
index 7be78056ef..14c63301ef 100644
--- a/ydb/core/tx/replication/controller/tx_discovery_result.cpp
+++ b/ydb/core/tx/replication/controller/tx_discovery_result.cpp
@@ -1,93 +1,93 @@
-#include "controller_impl.h" 
-#include "util.h" 
- 
-#include <util/string/join.h> 
- 
-namespace NKikimr { 
-namespace NReplication { 
-namespace NController { 
- 
-class TController::TTxDiscoveryResult: public TTxBase { 
-    TEvPrivate::TEvDiscoveryResult::TPtr Ev; 
-    TReplication::TPtr Replication; 
- 
-public: 
-    explicit TTxDiscoveryResult(TController* self, TEvPrivate::TEvDiscoveryResult::TPtr& ev) 
-        : TTxBase("TxDiscovertResult", self) 
-        , Ev(ev) 
-    { 
-    } 
- 
-    TTxType GetTxType() const override { 
-        return TXTYPE_DISCOVERY_RESULT; 
-    } 
- 
-    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override { 
-        CLOG_D(ctx, "Execute: " << Ev->Get()->ToString()); 
- 
-        const auto rid = Ev->Get()->ReplicationId; 
- 
-        Replication = Self->Find(rid); 
-        if (!Replication) { 
-            CLOG_W(ctx, "Unknown replication" 
-                << ": rid# " << rid); 
-            return true; 
-        } 
- 
-        NIceDb::TNiceDb db(txc.DB); 
- 
-        if (Ev->Get()->IsSuccess()) { 
-            for (const auto& target : Ev->Get()->ToAdd) { 
-                const auto kind = TargetKindFromEntryType(target.first.Type); 
-                const auto& srcPath = target.first.Name; 
-                const auto& dstPath = target.second; 
- 
-                const auto tid = Replication->AddTarget(kind, srcPath, dstPath); 
-                db.Table<Schema::Targets>().Key(rid, tid).Update( 
-                    NIceDb::TUpdate<Schema::Targets::Kind>(kind), 
-                    NIceDb::TUpdate<Schema::Targets::SrcPath>(srcPath), 
-                    NIceDb::TUpdate<Schema::Targets::DstPath>(dstPath) 
-                ); 
- 
-                CLOG_N(ctx, "Add target" 
-                    << ": rid# " << rid 
-                    << ", tid# " << tid 
-                    << ", kind# " << kind 
-                    << ", srcPath# " << srcPath 
-                    << ", dstPath# " << dstPath); 
-            } 
-        } else { 
-            const auto error = JoinSeq(", ", Ev->Get()->Failed); 
-            Replication->SetState(TReplication::EState::Error, TStringBuilder() << "Discovery error: " << error); 
- 
-            CLOG_E(ctx, "Discovery error" 
-                << ": rid# " << rid 
-                << ", error# " << error); 
-        } 
- 
-        db.Table<Schema::Replications>().Key(Replication->GetId()).Update( 
-            NIceDb::TUpdate<Schema::Replications::State>(Replication->GetState()), 
-            NIceDb::TUpdate<Schema::Replications::Issue>(Replication->GetIssue()), 
-            NIceDb::TUpdate<Schema::Replications::NextTargetId>(Replication->GetNextTargetId()) 
-        ); 
- 
-        return true; 
-    } 
- 
-    void Complete(const TActorContext& ctx) override { 
-        CLOG_D(ctx, "Complete"); 
- 
-        if (Replication) { 
-            Replication->Progress(ctx); 
-        } 
-    } 
- 
-}; // TTxDiscoveryResult 
- 
-void TController::RunTxDiscoveryResult(TEvPrivate::TEvDiscoveryResult::TPtr& ev, const TActorContext& ctx) { 
-    Execute(new TTxDiscoveryResult(this, ev), ctx); 
-} 
- 
-} // NController 
-} // NReplication 
-} // NKikimr 
+#include "controller_impl.h"
+#include "util.h"
+
+#include <util/string/join.h>
+
+namespace NKikimr {
+namespace NReplication {
+namespace NController {
+
+class TController::TTxDiscoveryResult: public TTxBase {
+    TEvPrivate::TEvDiscoveryResult::TPtr Ev;
+    TReplication::TPtr Replication;
+
+public:
+    explicit TTxDiscoveryResult(TController* self, TEvPrivate::TEvDiscoveryResult::TPtr& ev)
+        : TTxBase("TxDiscovertResult", self)
+        , Ev(ev)
+    {
+    }
+
+    TTxType GetTxType() const override {
+        return TXTYPE_DISCOVERY_RESULT;
+    }
+
+    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override {
+        CLOG_D(ctx, "Execute: " << Ev->Get()->ToString());
+
+        const auto rid = Ev->Get()->ReplicationId;
+
+        Replication = Self->Find(rid);
+        if (!Replication) {
+            CLOG_W(ctx, "Unknown replication"
+                << ": rid# " << rid);
+            return true;
+        }
+
+        NIceDb::TNiceDb db(txc.DB);
+
+        if (Ev->Get()->IsSuccess()) {
+            for (const auto& target : Ev->Get()->ToAdd) {
+                const auto kind = TargetKindFromEntryType(target.first.Type);
+                const auto& srcPath = target.first.Name;
+                const auto& dstPath = target.second;
+
+                const auto tid = Replication->AddTarget(kind, srcPath, dstPath);
+                db.Table<Schema::Targets>().Key(rid, tid).Update(
+                    NIceDb::TUpdate<Schema::Targets::Kind>(kind),
+                    NIceDb::TUpdate<Schema::Targets::SrcPath>(srcPath),
+                    NIceDb::TUpdate<Schema::Targets::DstPath>(dstPath)
+                );
+
+                CLOG_N(ctx, "Add target"
+                    << ": rid# " << rid
+                    << ", tid# " << tid
+                    << ", kind# " << kind
+                    << ", srcPath# " << srcPath
+                    << ", dstPath# " << dstPath);
+            }
+        } else {
+            const auto error = JoinSeq(", ", Ev->Get()->Failed);
+            Replication->SetState(TReplication::EState::Error, TStringBuilder() << "Discovery error: " << error);
+
+            CLOG_E(ctx, "Discovery error"
+                << ": rid# " << rid
+                << ", error# " << error);
+        }
+
+        db.Table<Schema::Replications>().Key(Replication->GetId()).Update(
+            NIceDb::TUpdate<Schema::Replications::State>(Replication->GetState()),
+            NIceDb::TUpdate<Schema::Replications::Issue>(Replication->GetIssue()),
+            NIceDb::TUpdate<Schema::Replications::NextTargetId>(Replication->GetNextTargetId())
+        );
+
+        return true;
+    }
+
+    void Complete(const TActorContext& ctx) override {
+        CLOG_D(ctx, "Complete");
+
+        if (Replication) {
+            Replication->Progress(ctx);
+        }
+    }
+
+}; // TTxDiscoveryResult
+
+void TController::RunTxDiscoveryResult(TEvPrivate::TEvDiscoveryResult::TPtr& ev, const TActorContext& ctx) {
+    Execute(new TTxDiscoveryResult(this, ev), ctx);
+}
+
+} // NController
+} // NReplication
+} // NKikimr
diff --git a/ydb/core/tx/replication/controller/tx_drop_replication.cpp b/ydb/core/tx/replication/controller/tx_drop_replication.cpp
index d5d89b195e..3040915dce 100644
--- a/ydb/core/tx/replication/controller/tx_drop_replication.cpp
+++ b/ydb/core/tx/replication/controller/tx_drop_replication.cpp
@@ -1,77 +1,77 @@
-#include "controller_impl.h" 
- 
-namespace NKikimr { 
-namespace NReplication { 
-namespace NController { 
- 
-class TController::TTxDropReplication: public TTxBase { 
-    TEvController::TEvDropReplication::TPtr Ev; 
-    THolder<TEvController::TEvDropReplicationResult> Result; 
-    TReplication::TPtr Replication; 
- 
-public: 
-    explicit TTxDropReplication(TController* self, TEvController::TEvDropReplication::TPtr& ev) 
-        : TTxBase("TxDropReplication", self) 
-        , Ev(ev) 
-    { 
-    } 
- 
-    TTxType GetTxType() const override { 
-        return TXTYPE_DROP_REPLICATION; 
-    } 
- 
-    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override { 
-        CLOG_D(ctx, "Execute: " << Ev->Get()->ToString()); 
- 
-        const auto& record = Ev->Get()->Record; 
-        Result = MakeHolder<TEvController::TEvDropReplicationResult>(); 
-        Result->Record.MutableOperationId()->CopyFrom(record.GetOperationId()); 
-        Result->Record.SetOrigin(Self->TabletID()); 
- 
-        const auto pathId = PathIdFromPathId(record.GetPathId()); 
-        Replication = Self->Find(pathId); 
- 
-        if (!Replication) { 
-            CLOG_W(ctx, "Cannot drop unknown replication" 
-                << ": pathId# " << pathId); 
- 
-            Result->Record.SetStatus(NKikimrReplication::TEvDropReplicationResult::NOT_FOUND); 
-            return true; 
-        } 
- 
-        NIceDb::TNiceDb db(txc.DB); 
-        Replication->SetState(TReplication::EState::Removing); 
-        db.Table<Schema::Replications>().Key(Replication->GetId()).Update( 
-            NIceDb::TUpdate<Schema::Replications::State>(Replication->GetState()) 
-        ); 
- 
-        CLOG_N(ctx, "Drop replication" 
-            << ": rid# " << Replication->GetId() 
-            << ", pathId# " << pathId); 
- 
-        // TODO: delay response 
-        Result->Record.SetStatus(NKikimrReplication::TEvDropReplicationResult::SUCCESS); 
-        return true; 
-    } 
- 
-    void Complete(const TActorContext& ctx) override { 
-        CLOG_D(ctx, "Complete"); 
- 
-        if (Result) { 
-            ctx.Send(Ev->Sender, Result.Release(), 0, Ev->Cookie); 
-        } 
- 
-        if (Replication) { 
-            Replication->Progress(ctx); 
-        } 
-    } 
- 
-}; // TTxDropReplication 
- 
-void TController::RunTxDropReplication(TEvController::TEvDropReplication::TPtr& ev, const TActorContext& ctx) { 
-    Execute(new TTxDropReplication(this, ev), ctx); 
-} 
- 
-} // NController 
-} // NReplication 
-} // NKikimr 
+#include "controller_impl.h"
+
+namespace NKikimr {
+namespace NReplication {
+namespace NController {
+
+class TController::TTxDropReplication: public TTxBase {
+    TEvController::TEvDropReplication::TPtr Ev;
+    THolder<TEvController::TEvDropReplicationResult> Result;
+    TReplication::TPtr Replication;
+
+public:
+    explicit TTxDropReplication(TController* self, TEvController::TEvDropReplication::TPtr& ev)
+        : TTxBase("TxDropReplication", self)
+        , Ev(ev)
+    {
+    }
+
+    TTxType GetTxType() const override {
+        return TXTYPE_DROP_REPLICATION;
+    }
+
+    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override {
+        CLOG_D(ctx, "Execute: " << Ev->Get()->ToString());
+
+        const auto& record = Ev->Get()->Record;
+        Result = MakeHolder<TEvController::TEvDropReplicationResult>();
+        Result->Record.MutableOperationId()->CopyFrom(record.GetOperationId());
+        Result->Record.SetOrigin(Self->TabletID());
+
+        const auto pathId = PathIdFromPathId(record.GetPathId());
+        Replication = Self->Find(pathId);
+
+        if (!Replication) {
+            CLOG_W(ctx, "Cannot drop unknown replication"
+                << ": pathId# " << pathId);
+
+            Result->Record.SetStatus(NKikimrReplication::TEvDropReplicationResult::NOT_FOUND);
+            return true;
+        }
+
+        NIceDb::TNiceDb db(txc.DB);
+        Replication->SetState(TReplication::EState::Removing);
+        db.Table<Schema::Replications>().Key(Replication->GetId()).Update(
+            NIceDb::TUpdate<Schema::Replications::State>(Replication->GetState())
+        );
+
+        CLOG_N(ctx, "Drop replication"
+            << ": rid# " << Replication->GetId()
+            << ", pathId# " << pathId);
+
+        // TODO: delay response
+        Result->Record.SetStatus(NKikimrReplication::TEvDropReplicationResult::SUCCESS);
+        return true;
+    }
+
+    void Complete(const TActorContext& ctx) override {
+        CLOG_D(ctx, "Complete");
+
+        if (Result) {
+            ctx.Send(Ev->Sender, Result.Release(), 0, Ev->Cookie);
+        }
+
+        if (Replication) {
+            Replication->Progress(ctx);
+        }
+    }
+
+}; // TTxDropReplication
+
+void TController::RunTxDropReplication(TEvController::TEvDropReplication::TPtr& ev, const TActorContext& ctx) {
+    Execute(new TTxDropReplication(this, ev), ctx);
+}
+
+} // NController
+} // NReplication
+} // NKikimr
diff --git a/ydb/core/tx/replication/controller/tx_init.cpp b/ydb/core/tx/replication/controller/tx_init.cpp
index 434e202485..a0e234fa4b 100644
--- a/ydb/core/tx/replication/controller/tx_init.cpp
+++ b/ydb/core/tx/replication/controller/tx_init.cpp
@@ -1,179 +1,179 @@
-#include "controller_impl.h" 
- 
-namespace NKikimr { 
-namespace NReplication { 
-namespace NController { 
- 
-class TController::TTxInit: public TTxBase { 
-    template <typename TRowset> 
-    class TSysParamLoader: public ISysParamLoader { 
-    public: 
-        explicit TSysParamLoader(TRowset& rowset) 
-            : Rowset(rowset) 
-        { 
-        } 
- 
-        ui64 LoadInt() { return Rowset.template GetValue<Schema::SysParams::IntValue>(); } 
-        TString LoadText() { return Rowset.template GetValue<Schema::SysParams::TextValue>(); } 
-        TString LoadBinary() { return Rowset.template GetValue<Schema::SysParams::BinaryValue>(); } 
- 
-    private: 
-        TRowset& Rowset; 
-    }; 
- 
-    bool LoadSysParams(NIceDb::TNiceDb& db) { 
-        auto rowset = db.Table<Schema::SysParams>().Select(); 
-        if (!rowset.IsReady()) { 
-            return false; 
-        } 
- 
-        auto loader = MakeHolder<TSysParamLoader<decltype(rowset)>>(rowset); 
-        while (!rowset.EndOfSet()) { 
-            Self->SysParams.Load(rowset.GetValue<Schema::SysParams::Id>(), loader.Get()); 
-            if (!rowset.Next()) { 
-                return false; 
-            } 
-        } 
- 
-        return true; 
-    } 
- 
-    bool LoadReplications(NIceDb::TNiceDb& db) { 
-        auto rowset = db.Table<Schema::Replications>().Select(); 
-        if (!rowset.IsReady()) { 
-            return false; 
-        } 
- 
-        while (!rowset.EndOfSet()) { 
-            const auto rid = rowset.GetValue<Schema::Replications::Id>(); 
-            const auto pathId = TPathId( 
-                rowset.GetValue<Schema::Replications::PathOwnerId>(), 
-                rowset.GetValue<Schema::Replications::PathLocalId>() 
-            ); 
-            const auto config = rowset.GetValue<Schema::Replications::Config>(); 
-            const auto state = rowset.GetValue<Schema::Replications::State>(); 
-            const auto issue = rowset.GetValue<Schema::Replications::Issue>(); 
-            const auto nextTid = rowset.GetValue<Schema::Replications::NextTargetId>(); 
- 
-            auto replication = Self->Add(rid, pathId, config); 
-            replication->SetState(state, issue); 
-            replication->SetNextTargetId(nextTid); 
- 
-            if (!rowset.Next()) { 
-                return false; 
-            } 
-        } 
- 
-        return true; 
-    } 
- 
-    bool LoadTargets(NIceDb::TNiceDb& db) { 
-        auto rowset = db.Table<Schema::Targets>().Select(); 
-        if (!rowset.IsReady()) { 
-            return false; 
-        } 
- 
-        while (!rowset.EndOfSet()) { 
-            const auto rid = rowset.GetValue<Schema::Targets::ReplicationId>(); 
-            const auto tid = rowset.GetValue<Schema::Targets::Id>(); 
-            const auto kind = rowset.GetValue<Schema::Targets::Kind>(); 
-            const auto srcPath = rowset.GetValue<Schema::Targets::SrcPath>(); 
-            const auto dstPath = rowset.GetValue<Schema::Targets::DstPath>(); 
-            const auto dstState = rowset.GetValue<Schema::Targets::DstState>(); 
-            const auto issue = rowset.GetValue<Schema::Targets::Issue>(); 
-            const auto dstPathId = TPathId( 
-                rowset.GetValue<Schema::Targets::DstPathOwnerId>(), 
-                rowset.GetValue<Schema::Targets::DstPathLocalId>() 
-            ); 
- 
-            auto replication = Self->Find(rid); 
-            Y_VERIFY_S(replication, "Unknown replication: " << rid); 
- 
-            auto* target = replication->AddTarget(tid, kind, srcPath, dstPath); 
-            Y_VERIFY(target); 
- 
-            target->SetDstState(dstState); 
-            target->SetDstPathId(dstPathId); 
-            target->SetIssue(issue); 
- 
-            if (!rowset.Next()) { 
-                return false; 
-            } 
-        } 
- 
-        return true; 
-    } 
- 
-    bool LoadSrcStreams(NIceDb::TNiceDb& db) { 
-        auto rowset = db.Table<Schema::SrcStreams>().Select(); 
-        if (!rowset.IsReady()) { 
-            return false; 
-        } 
- 
-        while (!rowset.EndOfSet()) { 
-            const auto rid = rowset.GetValue<Schema::SrcStreams::ReplicationId>(); 
-            const auto tid = rowset.GetValue<Schema::SrcStreams::TargetId>(); 
-            const auto name = rowset.GetValue<Schema::SrcStreams::Name>(); 
-            const auto state = rowset.GetValue<Schema::SrcStreams::State>(); 
- 
-            auto replication = Self->Find(rid); 
-            Y_VERIFY_S(replication, "Unknown replication: " << rid); 
- 
-            auto* target = replication->FindTarget(tid); 
-            Y_VERIFY_S(target, "Unknown target" 
-                << ": rid# " << rid 
-                << ", tid# " << tid); 
- 
-            target->SetStreamName(name); 
-            target->SetStreamState(state); 
- 
-            if (!rowset.Next()) { 
-                return false; 
-            } 
-        } 
- 
-        return true; 
-    } 
- 
-    inline bool Load(NIceDb::TNiceDb& db) { 
-        Self->Reset(); 
-        return LoadSysParams(db) 
-            && LoadReplications(db) 
-            && LoadTargets(db) 
-            && LoadSrcStreams(db); 
-    } 
- 
-    inline bool Load(NTable::TDatabase& toughDb) { 
-        NIceDb::TNiceDb db(toughDb); 
-        return Load(db); 
-    } 
- 
-public: 
-    explicit TTxInit(TSelf* self) 
-        : TTxBase("TxInit", self) 
-    { 
-    } 
- 
-    TTxType GetTxType() const override { 
-        return TXTYPE_INIT; 
-    } 
- 
-    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override { 
-        CLOG_D(ctx, "Execute"); 
-        return Load(txc.DB); 
-    } 
- 
-    void Complete(const TActorContext& ctx) override { 
-        CLOG_D(ctx, "Complete"); 
-        Self->SwitchToWork(ctx); 
-    } 
- 
-}; // TTxInit 
- 
-void TController::RunTxInit(const TActorContext& ctx) { 
-    Execute(new TTxInit(this), ctx); 
-} 
- 
-} // NController 
-} // NReplication 
-} // NKikimr 
+#include "controller_impl.h"
+
+namespace NKikimr {
+namespace NReplication {
+namespace NController {
+
+class TController::TTxInit: public TTxBase {
+    template <typename TRowset>
+    class TSysParamLoader: public ISysParamLoader {
+    public:
+        explicit TSysParamLoader(TRowset& rowset)
+            : Rowset(rowset)
+        {
+        }
+
+        ui64 LoadInt() { return Rowset.template GetValue<Schema::SysParams::IntValue>(); }
+        TString LoadText() { return Rowset.template GetValue<Schema::SysParams::TextValue>(); }
+        TString LoadBinary() { return Rowset.template GetValue<Schema::SysParams::BinaryValue>(); }
+
+    private:
+        TRowset& Rowset;
+    };
+
+    bool LoadSysParams(NIceDb::TNiceDb& db) {
+        auto rowset = db.Table<Schema::SysParams>().Select();
+        if (!rowset.IsReady()) {
+            return false;
+        }
+
+        auto loader = MakeHolder<TSysParamLoader<decltype(rowset)>>(rowset);
+        while (!rowset.EndOfSet()) {
+            Self->SysParams.Load(rowset.GetValue<Schema::SysParams::Id>(), loader.Get());
+            if (!rowset.Next()) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    bool LoadReplications(NIceDb::TNiceDb& db) {
+        auto rowset = db.Table<Schema::Replications>().Select();
+        if (!rowset.IsReady()) {
+            return false;
+        }
+
+        while (!rowset.EndOfSet()) {
+            const auto rid = rowset.GetValue<Schema::Replications::Id>();
+            const auto pathId = TPathId(
+                rowset.GetValue<Schema::Replications::PathOwnerId>(),
+                rowset.GetValue<Schema::Replications::PathLocalId>()
+            );
+            const auto config = rowset.GetValue<Schema::Replications::Config>();
+            const auto state = rowset.GetValue<Schema::Replications::State>();
+            const auto issue = rowset.GetValue<Schema::Replications::Issue>();
+            const auto nextTid = rowset.GetValue<Schema::Replications::NextTargetId>();
+
+            auto replication = Self->Add(rid, pathId, config);
+            replication->SetState(state, issue);
+            replication->SetNextTargetId(nextTid);
+
+            if (!rowset.Next()) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    bool LoadTargets(NIceDb::TNiceDb& db) {
+        auto rowset = db.Table<Schema::Targets>().Select();
+        if (!rowset.IsReady()) {
+            return false;
+        }
+
+        while (!rowset.EndOfSet()) {
+            const auto rid = rowset.GetValue<Schema::Targets::ReplicationId>();
+            const auto tid = rowset.GetValue<Schema::Targets::Id>();
+            const auto kind = rowset.GetValue<Schema::Targets::Kind>();
+            const auto srcPath = rowset.GetValue<Schema::Targets::SrcPath>();
+            const auto dstPath = rowset.GetValue<Schema::Targets::DstPath>();
+            const auto dstState = rowset.GetValue<Schema::Targets::DstState>();
+            const auto issue = rowset.GetValue<Schema::Targets::Issue>();
+            const auto dstPathId = TPathId(
+                rowset.GetValue<Schema::Targets::DstPathOwnerId>(),
+                rowset.GetValue<Schema::Targets::DstPathLocalId>()
+            );
+
+            auto replication = Self->Find(rid);
+            Y_VERIFY_S(replication, "Unknown replication: " << rid);
+
+            auto* target = replication->AddTarget(tid, kind, srcPath, dstPath);
+            Y_VERIFY(target);
+
+            target->SetDstState(dstState);
+            target->SetDstPathId(dstPathId);
+            target->SetIssue(issue);
+
+            if (!rowset.Next()) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    bool LoadSrcStreams(NIceDb::TNiceDb& db) {
+        auto rowset = db.Table<Schema::SrcStreams>().Select();
+        if (!rowset.IsReady()) {
+            return false;
+        }
+
+        while (!rowset.EndOfSet()) {
+            const auto rid = rowset.GetValue<Schema::SrcStreams::ReplicationId>();
+            const auto tid = rowset.GetValue<Schema::SrcStreams::TargetId>();
+            const auto name = rowset.GetValue<Schema::SrcStreams::Name>();
+            const auto state = rowset.GetValue<Schema::SrcStreams::State>();
+
+            auto replication = Self->Find(rid);
+            Y_VERIFY_S(replication, "Unknown replication: " << rid);
+
+            auto* target = replication->FindTarget(tid);
+            Y_VERIFY_S(target, "Unknown target"
+                << ": rid# " << rid
+                << ", tid# " << tid);
+
+            target->SetStreamName(name);
+            target->SetStreamState(state);
+
+            if (!rowset.Next()) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+
+    inline bool Load(NIceDb::TNiceDb& db) {
+        Self->Reset();
+        return LoadSysParams(db)
+            && LoadReplications(db)
+            && LoadTargets(db)
+            && LoadSrcStreams(db);
+    }
+
+    inline bool Load(NTable::TDatabase& toughDb) {
+        NIceDb::TNiceDb db(toughDb);
+        return Load(db);
+    }
+
+public:
+    explicit TTxInit(TSelf* self)
+        : TTxBase("TxInit", self)
+    {
+    }
+
+    TTxType GetTxType() const override {
+        return TXTYPE_INIT;
+    }
+
+    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override {
+        CLOG_D(ctx, "Execute");
+        return Load(txc.DB);
+    }
+
+    void Complete(const TActorContext& ctx) override {
+        CLOG_D(ctx, "Complete");
+        Self->SwitchToWork(ctx);
+    }
+
+}; // TTxInit
+
+void TController::RunTxInit(const TActorContext& ctx) {
+    Execute(new TTxInit(this), ctx);
+}
+
+} // NController
+} // NReplication
+} // NKikimr
diff --git a/ydb/core/tx/replication/controller/tx_init_schema.cpp b/ydb/core/tx/replication/controller/tx_init_schema.cpp
index 4ec78c97c2..20f50ab2f2 100644
--- a/ydb/core/tx/replication/controller/tx_init_schema.cpp
+++ b/ydb/core/tx/replication/controller/tx_init_schema.cpp
@@ -1,40 +1,40 @@
-#include "controller_impl.h" 
- 
-namespace NKikimr { 
-namespace NReplication { 
-namespace NController { 
- 
-class TController::TTxInitSchema: public TTxBase { 
-public: 
-    explicit TTxInitSchema(TController* self) 
-        : TTxBase("TxInitSchema", self) 
-    { 
-    } 
- 
-    TTxType GetTxType() const override { 
-        return TXTYPE_INIT_SCHEMA; 
-    } 
- 
-    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override { 
-        CLOG_D(ctx, "Execute"); 
- 
-        NIceDb::TNiceDb db(txc.DB); 
-        db.Materialize<Schema>(); 
- 
-        return true; 
-    } 
- 
-    void Complete(const TActorContext& ctx) override { 
-        CLOG_D(ctx, "Complete"); 
-        Self->RunTxInit(ctx); 
-    } 
- 
-}; // TTxInitSchema 
- 
-void TController::RunTxInitSchema(const TActorContext& ctx) { 
-    Execute(new TTxInitSchema(this), ctx); 
-} 
- 
-} // NController 
-} // NReplication 
-} // NKikimr 
+#include "controller_impl.h"
+
+namespace NKikimr {
+namespace NReplication {
+namespace NController {
+
+class TController::TTxInitSchema: public TTxBase {
+public:
+    explicit TTxInitSchema(TController* self)
+        : TTxBase("TxInitSchema", self)
+    {
+    }
+
+    TTxType GetTxType() const override {
+        return TXTYPE_INIT_SCHEMA;
+    }
+
+    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override {
+        CLOG_D(ctx, "Execute");
+
+        NIceDb::TNiceDb db(txc.DB);
+        db.Materialize<Schema>();
+
+        return true;
+    }
+
+    void Complete(const TActorContext& ctx) override {
+        CLOG_D(ctx, "Complete");
+        Self->RunTxInit(ctx);
+    }
+
+}; // TTxInitSchema
+
+void TController::RunTxInitSchema(const TActorContext& ctx) {
+    Execute(new TTxInitSchema(this), ctx);
+}
+
+} // NController
+} // NReplication
+} // NKikimr
diff --git a/ydb/core/tx/replication/controller/util.h b/ydb/core/tx/replication/controller/util.h
index 193b67607d..c4162a26db 100644
--- a/ydb/core/tx/replication/controller/util.h
+++ b/ydb/core/tx/replication/controller/util.h
@@ -1,81 +1,81 @@
-#pragma once 
- 
-#include "replication.h" 
- 
+#pragma once
+
+#include "replication.h"
+
 #include <ydb/public/sdk/cpp/client/ydb_scheme/scheme.h>
-#include <ydb/public/sdk/cpp/client/ydb_types/status/status.h> 
- 
-#include <ydb/core/util/yverify_stream.h> 
- 
-#include <util/generic/algorithm.h> 
-#include <util/generic/maybe.h> 
-#include <util/generic/size_literals.h> 
- 
-namespace NKikimr { 
-namespace NReplication { 
-namespace NController { 
- 
-inline TMaybe<TReplication::ETargetKind> TryTargetKindFromEntryType(NYdb::NScheme::ESchemeEntryType type) { 
-    switch (type) { 
-    case NYdb::NScheme::ESchemeEntryType::Table: 
-        return TReplication::ETargetKind::Table; 
-    case NYdb::NScheme::ESchemeEntryType::Unknown: 
-    case NYdb::NScheme::ESchemeEntryType::Directory: 
-    case NYdb::NScheme::ESchemeEntryType::PqGroup: 
-    case NYdb::NScheme::ESchemeEntryType::SubDomain: 
-    case NYdb::NScheme::ESchemeEntryType::RtmrVolume: 
-    case NYdb::NScheme::ESchemeEntryType::BlockStoreVolume: 
-    case NYdb::NScheme::ESchemeEntryType::CoordinationNode: 
-    case NYdb::NScheme::ESchemeEntryType::Sequence: 
-    case NYdb::NScheme::ESchemeEntryType::Replication: 
-        return Nothing(); 
-    } 
-} 
- 
-inline TReplication::ETargetKind TargetKindFromEntryType(NYdb::NScheme::ESchemeEntryType type) { 
-    auto res = TryTargetKindFromEntryType(type); 
-    Y_VERIFY_S(res, "Unexpected entry type: " << static_cast<i32>(type)); 
-    return *res; 
-} 
- 
-inline TString& TruncatedIssue(TString& issue) { 
-    static constexpr ui32 sizeLimit = 2_KB; 
-    static constexpr TStringBuf ellipsis = "..."; 
- 
-    if (issue.size() > sizeLimit) { 
-        issue.resize(sizeLimit - ellipsis.size()); 
-        issue.append(ellipsis); 
-    } 
- 
-    return issue; 
-} 
- 
-inline auto DefaultRetryableErrors() { 
-    using EStatus = NYdb::EStatus; 
-    return TVector<EStatus>{ 
-        EStatus::ABORTED, 
-        EStatus::UNAVAILABLE, 
-        EStatus::OVERLOADED, 
-        EStatus::TIMEOUT, 
-        EStatus::BAD_SESSION, 
-        EStatus::SESSION_EXPIRED, 
-        EStatus::CANCELLED, 
-        EStatus::UNDETERMINED, 
-        EStatus::SESSION_BUSY, 
-        EStatus::CLIENT_DISCOVERY_FAILED, 
-        EStatus::CLIENT_LIMITS_REACHED, 
-    }; 
-} 
- 
-inline bool IsRetryableError(const NYdb::TStatus status, const TVector<NYdb::EStatus>& retryable) { 
-    return status.IsTransportError() || Find(retryable, status.GetStatus()) != retryable.end(); 
-} 
- 
-inline bool IsRetryableError(const NYdb::TStatus status) { 
-    static auto defaultRetryableErrors = DefaultRetryableErrors(); 
-    return IsRetryableError(status, defaultRetryableErrors); 
-} 
- 
-} // NController 
-} // NReplication 
-} // NKikimr 
+#include <ydb/public/sdk/cpp/client/ydb_types/status/status.h>
+
+#include <ydb/core/util/yverify_stream.h>
+
+#include <util/generic/algorithm.h>
+#include <util/generic/maybe.h>
+#include <util/generic/size_literals.h>
+
+namespace NKikimr {
+namespace NReplication {
+namespace NController {
+
+inline TMaybe<TReplication::ETargetKind> TryTargetKindFromEntryType(NYdb::NScheme::ESchemeEntryType type) {
+    switch (type) {
+    case NYdb::NScheme::ESchemeEntryType::Table:
+        return TReplication::ETargetKind::Table;
+    case NYdb::NScheme::ESchemeEntryType::Unknown:
+    case NYdb::NScheme::ESchemeEntryType::Directory:
+    case NYdb::NScheme::ESchemeEntryType::PqGroup:
+    case NYdb::NScheme::ESchemeEntryType::SubDomain:
+    case NYdb::NScheme::ESchemeEntryType::RtmrVolume:
+    case NYdb::NScheme::ESchemeEntryType::BlockStoreVolume:
+    case NYdb::NScheme::ESchemeEntryType::CoordinationNode:
+    case NYdb::NScheme::ESchemeEntryType::Sequence:
+    case NYdb::NScheme::ESchemeEntryType::Replication:
+        return Nothing();
+    }
+}
+
+inline TReplication::ETargetKind TargetKindFromEntryType(NYdb::NScheme::ESchemeEntryType type) {
+    auto res = TryTargetKindFromEntryType(type);
+    Y_VERIFY_S(res, "Unexpected entry type: " << static_cast<i32>(type));
+    return *res;
+}
+
+inline TString& TruncatedIssue(TString& issue) {
+    static constexpr ui32 sizeLimit = 2_KB;
+    static constexpr TStringBuf ellipsis = "...";
+
+    if (issue.size() > sizeLimit) {
+        issue.resize(sizeLimit - ellipsis.size());
+        issue.append(ellipsis);
+    }
+
+    return issue;
+}
+
+inline auto DefaultRetryableErrors() {
+    using EStatus = NYdb::EStatus;
+    return TVector<EStatus>{
+        EStatus::ABORTED,
+        EStatus::UNAVAILABLE,
+        EStatus::OVERLOADED,
+        EStatus::TIMEOUT,
+        EStatus::BAD_SESSION,
+        EStatus::SESSION_EXPIRED,
+        EStatus::CANCELLED,
+        EStatus::UNDETERMINED,
+        EStatus::SESSION_BUSY,
+        EStatus::CLIENT_DISCOVERY_FAILED,
+        EStatus::CLIENT_LIMITS_REACHED,
+    };
+}
+
+inline bool IsRetryableError(const NYdb::TStatus status, const TVector<NYdb::EStatus>& retryable) {
+    return status.IsTransportError() || Find(retryable, status.GetStatus()) != retryable.end();
+}
+
+inline bool IsRetryableError(const NYdb::TStatus status) {
+    static auto defaultRetryableErrors = DefaultRetryableErrors();
+    return IsRetryableError(status, defaultRetryableErrors);
+}
+
+} // NController
+} // NReplication
+} // NKikimr
diff --git a/ydb/core/tx/replication/controller/ya.make b/ydb/core/tx/replication/controller/ya.make
index 01cfae6eaf..6ff2fb83e1 100644
--- a/ydb/core/tx/replication/controller/ya.make
+++ b/ydb/core/tx/replication/controller/ya.make
@@ -1,44 +1,44 @@
-LIBRARY() 
- 
-OWNER( 
-    ilnaz 
-    g:kikimr 
-) 
- 
-PEERDIR( 
+LIBRARY()
+
+OWNER(
+    ilnaz
+    g:kikimr
+)
+
+PEERDIR(
     ydb/core/base
     ydb/core/engine/minikql
     ydb/core/protos
     ydb/core/tablet_flat
-    ydb/core/tx/replication/ydb_proxy 
-    ydb/core/util 
-    ydb/core/ydb_convert 
-) 
- 
-SRCS( 
-    controller.cpp 
-    discoverer.cpp 
-    dst_creator.cpp 
-    logging.cpp 
-    private_events.cpp 
-    replication.cpp 
-    stream_creator.cpp 
-    sys_params.cpp 
-    target_base.cpp 
-    target_table.cpp 
-    target_with_stream.cpp 
-    tx_assign_stream_name.cpp 
-    tx_create_dst_result.cpp 
-    tx_create_replication.cpp 
-    tx_create_stream_result.cpp 
-    tx_discovery_result.cpp 
-    tx_drop_replication.cpp 
-    tx_init.cpp 
-    tx_init_schema.cpp 
-) 
- 
-GENERATE_ENUM_SERIALIZATION(replication.h) 
- 
-YQL_LAST_ABI_VERSION() 
- 
-END() 
+    ydb/core/tx/replication/ydb_proxy
+    ydb/core/util
+    ydb/core/ydb_convert
+)
+
+SRCS(
+    controller.cpp
+    discoverer.cpp
+    dst_creator.cpp
+    logging.cpp
+    private_events.cpp
+    replication.cpp
+    stream_creator.cpp
+    sys_params.cpp
+    target_base.cpp
+    target_table.cpp
+    target_with_stream.cpp
+    tx_assign_stream_name.cpp
+    tx_create_dst_result.cpp
+    tx_create_replication.cpp
+    tx_create_stream_result.cpp
+    tx_discovery_result.cpp
+    tx_drop_replication.cpp
+    tx_init.cpp
+    tx_init_schema.cpp
+)
+
+GENERATE_ENUM_SERIALIZATION(replication.h)
+
+YQL_LAST_ABI_VERSION()
+
+END()
diff --git a/ydb/core/tx/replication/ut/ya.make b/ydb/core/tx/replication/ut/ya.make
index b26617f0ed..7130cde31b 100644
--- a/ydb/core/tx/replication/ut/ya.make
+++ b/ydb/core/tx/replication/ut/ya.make
@@ -1,8 +1,8 @@
-OWNER( 
-    ilnaz 
-    g:kikimr 
-) 
- 
-RECURSE( 
-    ../ydb_proxy/ut 
-) 
+OWNER(
+    ilnaz
+    g:kikimr
+)
+
+RECURSE(
+    ../ydb_proxy/ut
+)
diff --git a/ydb/core/tx/replication/ya.make b/ydb/core/tx/replication/ya.make
index da418d9416..6707c867dc 100644
--- a/ydb/core/tx/replication/ya.make
+++ b/ydb/core/tx/replication/ya.make
@@ -1,13 +1,13 @@
-OWNER( 
-    ilnaz 
-    g:kikimr 
-) 
- 
-RECURSE( 
-    controller 
-    ydb_proxy 
-) 
- 
-RECURSE_FOR_TESTS( 
-    ut 
-) 
+OWNER(
+    ilnaz
+    g:kikimr
+)
+
+RECURSE(
+    controller
+    ydb_proxy
+)
+
+RECURSE_FOR_TESTS(
+    ut
+)
diff --git a/ydb/core/tx/replication/ydb_proxy/ut/ya.make b/ydb/core/tx/replication/ydb_proxy/ut/ya.make
index 73e5635e5c..605ac66a6a 100644
--- a/ydb/core/tx/replication/ydb_proxy/ut/ya.make
+++ b/ydb/core/tx/replication/ydb_proxy/ut/ya.make
@@ -1,25 +1,25 @@
 UNITTEST_FOR(ydb/core/tx/replication/ydb_proxy)
- 
-OWNER( 
-    ilnaz 
-    g:kikimr 
-) 
- 
-FORK_SUBTESTS() 
-
-SIZE(MEDIUM) 
-
-TIMEOUT(600) 
- 
-PEERDIR( 
-    library/cpp/testing/unittest 
+
+OWNER(
+    ilnaz
+    g:kikimr
+)
+
+FORK_SUBTESTS()
+
+SIZE(MEDIUM)
+
+TIMEOUT(600)
+
+PEERDIR(
+    library/cpp/testing/unittest
     ydb/core/testlib
-) 
- 
-SRCS( 
-    ydb_proxy_ut.cpp 
-) 
- 
-YQL_LAST_ABI_VERSION() 
- 
-END() 
+)
+
+SRCS(
+    ydb_proxy_ut.cpp
+)
+
+YQL_LAST_ABI_VERSION()
+
+END()
diff --git a/ydb/core/tx/replication/ydb_proxy/ya.make b/ydb/core/tx/replication/ydb_proxy/ya.make
index b8af7da454..88bf0c911a 100644
--- a/ydb/core/tx/replication/ydb_proxy/ya.make
+++ b/ydb/core/tx/replication/ydb_proxy/ya.make
@@ -1,27 +1,27 @@
-LIBRARY() 
- 
-OWNER( 
-    ilnaz 
-    g:kikimr 
-) 
- 
-PEERDIR( 
-    ydb/core/base 
+LIBRARY()
+
+OWNER(
+    ilnaz
+    g:kikimr
+)
+
+PEERDIR(
+    ydb/core/base
     ydb/core/protos
     ydb/public/sdk/cpp/client/ydb_driver
     ydb/public/sdk/cpp/client/ydb_scheme
     ydb/public/sdk/cpp/client/ydb_table
     ydb/public/sdk/cpp/client/ydb_types/credentials
-) 
- 
-SRCS( 
-    ydb_proxy.cpp 
-) 
- 
-YQL_LAST_ABI_VERSION() 
- 
-END() 
- 
-RECURSE_FOR_TESTS( 
-    ut 
-) 
+)
+
+SRCS(
+    ydb_proxy.cpp
+)
+
+YQL_LAST_ABI_VERSION()
+
+END()
+
+RECURSE_FOR_TESTS(
+    ut
+)
diff --git a/ydb/core/tx/replication/ydb_proxy/ydb_proxy.cpp b/ydb/core/tx/replication/ydb_proxy/ydb_proxy.cpp
index 26691933d4..45de477068 100644
--- a/ydb/core/tx/replication/ydb_proxy/ydb_proxy.cpp
+++ b/ydb/core/tx/replication/ydb_proxy/ydb_proxy.cpp
@@ -1,319 +1,319 @@
-#include "ydb_proxy.h" 
- 
+#include "ydb_proxy.h"
+
 #include <ydb/core/protos/replication.pb.h>
 #include <ydb/public/sdk/cpp/client/ydb_driver/driver.h>
 #include <ydb/public/sdk/cpp/client/ydb_types/credentials/credentials.h>
- 
-#include <library/cpp/actors/core/actor.h> 
-#include <library/cpp/actors/core/hfunc.h> 
- 
-#include <ydb/core/base/appdata.h> 
- 
-#include <util/generic/hash_set.h> 
- 
-#include <memory> 
-#include <mutex> 
- 
-namespace NKikimr { 
-namespace NReplication { 
- 
-using namespace NKikimrReplication; 
-using namespace NYdb; 
-using namespace NYdb::NScheme; 
-using namespace NYdb::NTable; 
- 
-template <typename TDerived> 
-class TBaseProxyActor: public TActor<TDerived> { 
-    class TRequest; 
-    using TRequestPtr = std::shared_ptr<TRequest>; 
- 
-    struct TEvPrivate { 
-        enum EEv { 
-            EvComplete = EventSpaceBegin(TKikimrEvents::ES_PRIVATE), 
- 
-            EvEnd, 
-        }; 
- 
-        static_assert(EvEnd < EventSpaceEnd(TKikimrEvents::ES_PRIVATE), "expect EvEnd < EventSpaceEnd(TKikimrEvents::ES_PRIVATE)"); 
- 
-        struct TEvComplete: public TEventLocal<TEvComplete, EvComplete> { 
-            const TRequestPtr Request; 
- 
-            explicit TEvComplete(const TRequestPtr& request) 
-                : Request(request) 
-            { 
-            } 
-        }; 
- 
-    }; // TEvPrivate 
- 
-    class TRequest: public std::enable_shared_from_this<TRequest> { 
-        friend class TBaseProxyActor<TDerived>; 
- 
-    public: 
-        explicit TRequest(const TActorSystem* sys, const TActorId& self, const TActorId& sender, ui64 cookie) 
-            : ActorSystem(sys) 
-            , Self(self) 
-            , Sender(sender) 
-            , Cookie(cookie) 
-        { 
-        } 
- 
-        void Complete(IEventBase* ev) { 
-            Send(Sender, ev, Cookie); 
-            Send(Self, new typename TEvPrivate::TEvComplete(this->shared_from_this())); 
-        } 
- 
-    private: 
-        void Send(const TActorId& recipient, IEventBase* ev, ui64 cookie = 0) { 
-            std::lock_guard<std::mutex> lock(RWActorSystem); 
- 
-            if (ActorSystem) { 
-                ActorSystem->Send(new IEventHandle(recipient, Self, ev, 0, cookie)); 
-            } 
-        } 
- 
-        void ClearActorSystem() { 
-            std::lock_guard<std::mutex> lock(RWActorSystem); 
-            ActorSystem = nullptr; 
-        } 
- 
-    private: 
-        const TActorSystem* ActorSystem; 
-        const TActorId Self; 
-        const TActorId Sender; 
-        const ui64 Cookie; 
- 
-        std::mutex RWActorSystem; 
- 
-    }; // TRequest 
- 
-    struct TRequestPtrHash { 
-        Y_FORCE_INLINE size_t operator()(const TRequestPtr& ptr) const { 
-            return THash<TRequest*>()(ptr.get()); 
-        } 
-    }; 
- 
-    void Handle(typename TEvPrivate::TEvComplete::TPtr& ev) { 
-        Requests.erase(ev->Get()->Request); 
-    } 
- 
-    void PassAway() override { 
-        Requests.clear(); 
-        IActor::PassAway(); 
-    } 
- 
-protected: 
-    using TActor<TDerived>::TActor; 
- 
-    virtual ~TBaseProxyActor() { 
-        for (auto& request : Requests) { 
-            request->ClearActorSystem(); 
-        } 
-    } 
- 
-    std::weak_ptr<TRequest> MakeRequest(const TActorId& sender, ui64 cookie) { 
-        auto request = std::make_shared<TRequest>(TlsActivationContext->ActorSystem(), this->SelfId(), sender, cookie); 
-        Requests.emplace(request); 
-        return request; 
-    } 
- 
-    template <typename TEvResponse> 
-    static void Complete(std::weak_ptr<TRequest> request, const typename TEvResponse::TResult& result) { 
-        if (auto r = request.lock()) { 
-            r->Complete(new TEvResponse(result)); 
-        } 
-    } 
- 
-    template <typename TEvResponse> 
-    static auto CreateCallback(std::weak_ptr<TRequest> request) { 
-        return [request](const typename TEvResponse::TAsyncResult& result) { 
-            Complete<TEvResponse>(request, result.GetValueSync()); 
-        }; 
-    } 
- 
-    STATEFN(StateBase) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvPrivate::TEvComplete, Handle); 
-            sFunc(TEvents::TEvPoison, PassAway); 
-        } 
-    } 
- 
-private: 
-    THashSet<TRequestPtr, TRequestPtrHash> Requests; 
- 
-}; // TBaseProxyActor 
- 
-class TYdbProxy: public TBaseProxyActor<TYdbProxy> { 
-    template <typename TEvResponse, typename TClient, typename... Args> 
-    using TFunc = typename TEvResponse::TAsyncResult(TClient::*)(Args...); 
- 
-    template <typename TClient> 
-    TClient* EnsureClient(THolder<TClient>& client) { 
-        if (!client) { 
-            Y_VERIFY(AppData()->YdbDriver); 
-            client.Reset(new TClient(*AppData()->YdbDriver, Settings)); 
-        } 
- 
-        return client.Get(); 
-    } 
- 
-    template <typename TClient> 
-    TClient* EnsureClient() { 
-        if constexpr (std::is_same_v<TClient, TSchemeClient>) { 
-            return EnsureClient<TClient>(SchemeClient); 
-        } else if constexpr (std::is_same_v<TClient, TTableClient>) { 
-            return EnsureClient<TClient>(TableClient); 
-        } else { 
-            Y_FAIL("unreachable"); 
-        } 
-    } 
- 
-    template <typename TEvResponse, typename TEvRequestPtr, typename TClient, typename... Args> 
-    void Call(TEvRequestPtr& ev, TFunc<TEvResponse, TClient, Args...> func) { 
-        auto* client = EnsureClient<TClient>(); 
-        auto request = MakeRequest(ev->Sender, ev->Cookie); 
-        auto args = std::move(ev->Get()->GetArgs()); 
-        auto cb = CreateCallback<TEvResponse>(request); 
- 
-        std::apply(func, std::tuple_cat(std::tie(client), std::move(args))).Subscribe(std::move(cb)); 
-    } 
- 
-    template <typename TEvResponse, typename TEvRequestPtr, typename TSession, typename... Args> 
-    void CallSession(TEvRequestPtr& ev, TFunc<TEvResponse, TSession, Args...> func) { 
-        auto* client = EnsureClient<TTableClient>(); 
-        auto request = MakeRequest(ev->Sender, ev->Cookie); 
-        auto args = std::move(ev->Get()->GetArgs()); 
-        auto cb = [request, func, args = std::move(args)](const TAsyncCreateSessionResult& result) { 
-            auto sessionResult = result.GetValueSync(); 
-            if (!sessionResult.IsSuccess()) { 
-                return Complete<TEvYdbProxy::TEvCreateSessionResponse>(request, sessionResult); 
-            } 
- 
-            auto session = sessionResult.GetSession(); 
-            auto cb = CreateCallback<TEvResponse>(request); 
-            std::apply(func, std::tuple_cat(std::tie(session), std::move(args))).Subscribe(std::move(cb)); 
-        }; 
- 
-        client->GetSession().Subscribe(std::move(cb)); 
-    } 
- 
-    void Handle(TEvYdbProxy::TEvMakeDirectoryRequest::TPtr& ev) { 
-        Call<TEvYdbProxy::TEvMakeDirectoryResponse>(ev, &TSchemeClient::MakeDirectory); 
-    } 
- 
-    void Handle(TEvYdbProxy::TEvRemoveDirectoryRequest::TPtr& ev) { 
-        Call<TEvYdbProxy::TEvRemoveDirectoryResponse>(ev, &TSchemeClient::RemoveDirectory); 
-    } 
- 
-    void Handle(TEvYdbProxy::TEvDescribePathRequest::TPtr& ev) { 
-        Call<TEvYdbProxy::TEvDescribePathResponse>(ev, &TSchemeClient::DescribePath); 
-    } 
- 
-    void Handle(TEvYdbProxy::TEvListDirectoryRequest::TPtr& ev) { 
-        Call<TEvYdbProxy::TEvListDirectoryResponse>(ev, &TSchemeClient::ListDirectory); 
-    } 
- 
-    void Handle(TEvYdbProxy::TEvModifyPermissionsRequest::TPtr& ev) { 
-        Call<TEvYdbProxy::TEvModifyPermissionsResponse>(ev, &TSchemeClient::ModifyPermissions); 
-    } 
- 
-    void Handle(TEvYdbProxy::TEvCreateTableRequest::TPtr& ev) { 
-        CallSession<TEvYdbProxy::TEvCreateTableResponse>(ev, &TSession::CreateTable); 
-    } 
- 
-    void Handle(TEvYdbProxy::TEvDropTableRequest::TPtr& ev) { 
-        CallSession<TEvYdbProxy::TEvDropTableResponse>(ev, &TSession::DropTable); 
-    } 
- 
-    void Handle(TEvYdbProxy::TEvAlterTableRequest::TPtr& ev) { 
-        CallSession<TEvYdbProxy::TEvAlterTableResponse>(ev, &TSession::AlterTable); 
-    } 
- 
-    void Handle(TEvYdbProxy::TEvCopyTableRequest::TPtr& ev) { 
-        CallSession<TEvYdbProxy::TEvCopyTableResponse>(ev, &TSession::CopyTable); 
-    } 
-
-    void Handle(TEvYdbProxy::TEvCopyTablesRequest::TPtr& ev) { 
-        CallSession<TEvYdbProxy::TEvCopyTablesResponse>(ev, &TSession::CopyTables); 
-    } 
-
-    void Handle(TEvYdbProxy::TEvRenameTablesRequest::TPtr& ev) { 
-        CallSession<TEvYdbProxy::TEvRenameTablesResponse>(ev, &TSession::RenameTables); 
-    } 
- 
-    void Handle(TEvYdbProxy::TEvDescribeTableRequest::TPtr& ev) { 
-        CallSession<TEvYdbProxy::TEvDescribeTableResponse>(ev, &TSession::DescribeTable); 
-    } 
- 
-    static TClientSettings MakeSettings(const TString& endpoint, const TString& database) { 
-        return TClientSettings() 
-            .DiscoveryEndpoint(endpoint) 
-            .DiscoveryMode(EDiscoveryMode::Async) 
-            .Database(database); 
-    } 
- 
-    static TClientSettings MakeSettings(const TString& endpoint, const TString& database, const TString& token) { 
-        return MakeSettings(endpoint, database) 
-            .AuthToken(token); 
-    } 
- 
-    static TClientSettings MakeSettings(const TString& endpoint, const TString& database, const TStaticCredentials& credentials) { 
-        return MakeSettings(endpoint, database) 
-            .CredentialsProviderFactory(CreateLoginCredentialsProviderFactory({ 
-                .User = credentials.GetUser(), 
-                .Password = credentials.GetPassword(), 
-            })); 
-    } 
- 
-public: 
-    template <typename... Args> 
-    explicit TYdbProxy(Args&&... args) 
-        : TBaseProxyActor(&TThis::StateWork) 
-        , Settings(MakeSettings(std::forward<Args>(args)...)) 
-    { 
-    } 
- 
-    STATEFN(StateWork) { 
-        switch (ev->GetTypeRewrite()) { 
-            // Scheme 
-            hFunc(TEvYdbProxy::TEvMakeDirectoryRequest, Handle); 
-            hFunc(TEvYdbProxy::TEvRemoveDirectoryRequest, Handle); 
-            hFunc(TEvYdbProxy::TEvDescribePathRequest, Handle); 
-            hFunc(TEvYdbProxy::TEvListDirectoryRequest, Handle); 
-            hFunc(TEvYdbProxy::TEvModifyPermissionsRequest, Handle); 
-            // Table 
-            hFunc(TEvYdbProxy::TEvCreateTableRequest, Handle); 
-            hFunc(TEvYdbProxy::TEvDropTableRequest, Handle); 
-            hFunc(TEvYdbProxy::TEvAlterTableRequest, Handle); 
-            hFunc(TEvYdbProxy::TEvCopyTableRequest, Handle); 
-            hFunc(TEvYdbProxy::TEvCopyTablesRequest, Handle); 
-            hFunc(TEvYdbProxy::TEvRenameTablesRequest, Handle); 
-            hFunc(TEvYdbProxy::TEvDescribeTableRequest, Handle); 
- 
-        default: 
-            return StateBase(ev, TlsActivationContext->AsActorContext()); 
-        } 
-    } 
- 
-private: 
-    const TClientSettings Settings; 
-    THolder<TSchemeClient> SchemeClient; 
-    THolder<TTableClient> TableClient; 
- 
-}; // TYdbProxy 
- 
-IActor* CreateYdbProxy(const TString& endpoint, const TString& database) { 
-    return new TYdbProxy(endpoint, database); 
-} 
- 
-IActor* CreateYdbProxy(const TString& endpoint, const TString& database, const TString& token) { 
-    return new TYdbProxy(endpoint, database, token); 
-} 
- 
-IActor* CreateYdbProxy(const TString& endpoint, const TString& database, const TStaticCredentials& credentials) { 
-    return new TYdbProxy(endpoint, database, credentials); 
-} 
- 
-} // NReplication 
-} // NKikimr 
+
+#include <library/cpp/actors/core/actor.h>
+#include <library/cpp/actors/core/hfunc.h>
+
+#include <ydb/core/base/appdata.h>
+
+#include <util/generic/hash_set.h>
+
+#include <memory>
+#include <mutex>
+
+namespace NKikimr {
+namespace NReplication {
+
+using namespace NKikimrReplication;
+using namespace NYdb;
+using namespace NYdb::NScheme;
+using namespace NYdb::NTable;
+
+template <typename TDerived>
+class TBaseProxyActor: public TActor<TDerived> {
+    class TRequest;
+    using TRequestPtr = std::shared_ptr<TRequest>;
+
+    struct TEvPrivate {
+        enum EEv {
+            EvComplete = EventSpaceBegin(TKikimrEvents::ES_PRIVATE),
+
+            EvEnd,
+        };
+
+        static_assert(EvEnd < EventSpaceEnd(TKikimrEvents::ES_PRIVATE), "expect EvEnd < EventSpaceEnd(TKikimrEvents::ES_PRIVATE)");
+
+        struct TEvComplete: public TEventLocal<TEvComplete, EvComplete> {
+            const TRequestPtr Request;
+
+            explicit TEvComplete(const TRequestPtr& request)
+                : Request(request)
+            {
+            }
+        };
+
+    }; // TEvPrivate
+
+    class TRequest: public std::enable_shared_from_this<TRequest> {
+        friend class TBaseProxyActor<TDerived>;
+
+    public:
+        explicit TRequest(const TActorSystem* sys, const TActorId& self, const TActorId& sender, ui64 cookie)
+            : ActorSystem(sys)
+            , Self(self)
+            , Sender(sender)
+            , Cookie(cookie)
+        {
+        }
+
+        void Complete(IEventBase* ev) {
+            Send(Sender, ev, Cookie);
+            Send(Self, new typename TEvPrivate::TEvComplete(this->shared_from_this()));
+        }
+
+    private:
+        void Send(const TActorId& recipient, IEventBase* ev, ui64 cookie = 0) {
+            std::lock_guard<std::mutex> lock(RWActorSystem);
+
+            if (ActorSystem) {
+                ActorSystem->Send(new IEventHandle(recipient, Self, ev, 0, cookie));
+            }
+        }
+
+        void ClearActorSystem() {
+            std::lock_guard<std::mutex> lock(RWActorSystem);
+            ActorSystem = nullptr;
+        }
+
+    private:
+        const TActorSystem* ActorSystem;
+        const TActorId Self;
+        const TActorId Sender;
+        const ui64 Cookie;
+
+        std::mutex RWActorSystem;
+
+    }; // TRequest
+
+    struct TRequestPtrHash {
+        Y_FORCE_INLINE size_t operator()(const TRequestPtr& ptr) const {
+            return THash<TRequest*>()(ptr.get());
+        }
+    };
+
+    void Handle(typename TEvPrivate::TEvComplete::TPtr& ev) {
+        Requests.erase(ev->Get()->Request);
+    }
+
+    void PassAway() override {
+        Requests.clear();
+        IActor::PassAway();
+    }
+
+protected:
+    using TActor<TDerived>::TActor;
+
+    virtual ~TBaseProxyActor() {
+        for (auto& request : Requests) {
+            request->ClearActorSystem();
+        }
+    }
+
+    std::weak_ptr<TRequest> MakeRequest(const TActorId& sender, ui64 cookie) {
+        auto request = std::make_shared<TRequest>(TlsActivationContext->ActorSystem(), this->SelfId(), sender, cookie);
+        Requests.emplace(request);
+        return request;
+    }
+
+    template <typename TEvResponse>
+    static void Complete(std::weak_ptr<TRequest> request, const typename TEvResponse::TResult& result) {
+        if (auto r = request.lock()) {
+            r->Complete(new TEvResponse(result));
+        }
+    }
+
+    template <typename TEvResponse>
+    static auto CreateCallback(std::weak_ptr<TRequest> request) {
+        return [request](const typename TEvResponse::TAsyncResult& result) {
+            Complete<TEvResponse>(request, result.GetValueSync());
+        };
+    }
+
+    STATEFN(StateBase) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvPrivate::TEvComplete, Handle);
+            sFunc(TEvents::TEvPoison, PassAway);
+        }
+    }
+
+private:
+    THashSet<TRequestPtr, TRequestPtrHash> Requests;
+
+}; // TBaseProxyActor
+
+class TYdbProxy: public TBaseProxyActor<TYdbProxy> {
+    template <typename TEvResponse, typename TClient, typename... Args>
+    using TFunc = typename TEvResponse::TAsyncResult(TClient::*)(Args...);
+
+    template <typename TClient>
+    TClient* EnsureClient(THolder<TClient>& client) {
+        if (!client) {
+            Y_VERIFY(AppData()->YdbDriver);
+            client.Reset(new TClient(*AppData()->YdbDriver, Settings));
+        }
+
+        return client.Get();
+    }
+
+    template <typename TClient>
+    TClient* EnsureClient() {
+        if constexpr (std::is_same_v<TClient, TSchemeClient>) {
+            return EnsureClient<TClient>(SchemeClient);
+        } else if constexpr (std::is_same_v<TClient, TTableClient>) {
+            return EnsureClient<TClient>(TableClient);
+        } else {
+            Y_FAIL("unreachable");
+        }
+    }
+
+    template <typename TEvResponse, typename TEvRequestPtr, typename TClient, typename... Args>
+    void Call(TEvRequestPtr& ev, TFunc<TEvResponse, TClient, Args...> func) {
+        auto* client = EnsureClient<TClient>();
+        auto request = MakeRequest(ev->Sender, ev->Cookie);
+        auto args = std::move(ev->Get()->GetArgs());
+        auto cb = CreateCallback<TEvResponse>(request);
+
+        std::apply(func, std::tuple_cat(std::tie(client), std::move(args))).Subscribe(std::move(cb));
+    }
+
+    template <typename TEvResponse, typename TEvRequestPtr, typename TSession, typename... Args>
+    void CallSession(TEvRequestPtr& ev, TFunc<TEvResponse, TSession, Args...> func) {
+        auto* client = EnsureClient<TTableClient>();
+        auto request = MakeRequest(ev->Sender, ev->Cookie);
+        auto args = std::move(ev->Get()->GetArgs());
+        auto cb = [request, func, args = std::move(args)](const TAsyncCreateSessionResult& result) {
+            auto sessionResult = result.GetValueSync();
+            if (!sessionResult.IsSuccess()) {
+                return Complete<TEvYdbProxy::TEvCreateSessionResponse>(request, sessionResult);
+            }
+
+            auto session = sessionResult.GetSession();
+            auto cb = CreateCallback<TEvResponse>(request);
+            std::apply(func, std::tuple_cat(std::tie(session), std::move(args))).Subscribe(std::move(cb));
+        };
+
+        client->GetSession().Subscribe(std::move(cb));
+    }
+
+    void Handle(TEvYdbProxy::TEvMakeDirectoryRequest::TPtr& ev) {
+        Call<TEvYdbProxy::TEvMakeDirectoryResponse>(ev, &TSchemeClient::MakeDirectory);
+    }
+
+    void Handle(TEvYdbProxy::TEvRemoveDirectoryRequest::TPtr& ev) {
+        Call<TEvYdbProxy::TEvRemoveDirectoryResponse>(ev, &TSchemeClient::RemoveDirectory);
+    }
+
+    void Handle(TEvYdbProxy::TEvDescribePathRequest::TPtr& ev) {
+        Call<TEvYdbProxy::TEvDescribePathResponse>(ev, &TSchemeClient::DescribePath);
+    }
+
+    void Handle(TEvYdbProxy::TEvListDirectoryRequest::TPtr& ev) {
+        Call<TEvYdbProxy::TEvListDirectoryResponse>(ev, &TSchemeClient::ListDirectory);
+    }
+
+    void Handle(TEvYdbProxy::TEvModifyPermissionsRequest::TPtr& ev) {
+        Call<TEvYdbProxy::TEvModifyPermissionsResponse>(ev, &TSchemeClient::ModifyPermissions);
+    }
+
+    void Handle(TEvYdbProxy::TEvCreateTableRequest::TPtr& ev) {
+        CallSession<TEvYdbProxy::TEvCreateTableResponse>(ev, &TSession::CreateTable);
+    }
+
+    void Handle(TEvYdbProxy::TEvDropTableRequest::TPtr& ev) {
+        CallSession<TEvYdbProxy::TEvDropTableResponse>(ev, &TSession::DropTable);
+    }
+
+    void Handle(TEvYdbProxy::TEvAlterTableRequest::TPtr& ev) {
+        CallSession<TEvYdbProxy::TEvAlterTableResponse>(ev, &TSession::AlterTable);
+    }
+
+    void Handle(TEvYdbProxy::TEvCopyTableRequest::TPtr& ev) {
+        CallSession<TEvYdbProxy::TEvCopyTableResponse>(ev, &TSession::CopyTable);
+    }
+
+    void Handle(TEvYdbProxy::TEvCopyTablesRequest::TPtr& ev) {
+        CallSession<TEvYdbProxy::TEvCopyTablesResponse>(ev, &TSession::CopyTables);
+    }
+
+    void Handle(TEvYdbProxy::TEvRenameTablesRequest::TPtr& ev) {
+        CallSession<TEvYdbProxy::TEvRenameTablesResponse>(ev, &TSession::RenameTables);
+    }
+
+    void Handle(TEvYdbProxy::TEvDescribeTableRequest::TPtr& ev) {
+        CallSession<TEvYdbProxy::TEvDescribeTableResponse>(ev, &TSession::DescribeTable);
+    }
+
+    static TClientSettings MakeSettings(const TString& endpoint, const TString& database) {
+        return TClientSettings()
+            .DiscoveryEndpoint(endpoint)
+            .DiscoveryMode(EDiscoveryMode::Async)
+            .Database(database);
+    }
+
+    static TClientSettings MakeSettings(const TString& endpoint, const TString& database, const TString& token) {
+        return MakeSettings(endpoint, database)
+            .AuthToken(token);
+    }
+
+    static TClientSettings MakeSettings(const TString& endpoint, const TString& database, const TStaticCredentials& credentials) {
+        return MakeSettings(endpoint, database)
+            .CredentialsProviderFactory(CreateLoginCredentialsProviderFactory({
+                .User = credentials.GetUser(),
+                .Password = credentials.GetPassword(),
+            }));
+    }
+
+public:
+    template <typename... Args>
+    explicit TYdbProxy(Args&&... args)
+        : TBaseProxyActor(&TThis::StateWork)
+        , Settings(MakeSettings(std::forward<Args>(args)...))
+    {
+    }
+
+    STATEFN(StateWork) {
+        switch (ev->GetTypeRewrite()) {
+            // Scheme
+            hFunc(TEvYdbProxy::TEvMakeDirectoryRequest, Handle);
+            hFunc(TEvYdbProxy::TEvRemoveDirectoryRequest, Handle);
+            hFunc(TEvYdbProxy::TEvDescribePathRequest, Handle);
+            hFunc(TEvYdbProxy::TEvListDirectoryRequest, Handle);
+            hFunc(TEvYdbProxy::TEvModifyPermissionsRequest, Handle);
+            // Table
+            hFunc(TEvYdbProxy::TEvCreateTableRequest, Handle);
+            hFunc(TEvYdbProxy::TEvDropTableRequest, Handle);
+            hFunc(TEvYdbProxy::TEvAlterTableRequest, Handle);
+            hFunc(TEvYdbProxy::TEvCopyTableRequest, Handle);
+            hFunc(TEvYdbProxy::TEvCopyTablesRequest, Handle);
+            hFunc(TEvYdbProxy::TEvRenameTablesRequest, Handle);
+            hFunc(TEvYdbProxy::TEvDescribeTableRequest, Handle);
+
+        default:
+            return StateBase(ev, TlsActivationContext->AsActorContext());
+        }
+    }
+
+private:
+    const TClientSettings Settings;
+    THolder<TSchemeClient> SchemeClient;
+    THolder<TTableClient> TableClient;
+
+}; // TYdbProxy
+
+IActor* CreateYdbProxy(const TString& endpoint, const TString& database) {
+    return new TYdbProxy(endpoint, database);
+}
+
+IActor* CreateYdbProxy(const TString& endpoint, const TString& database, const TString& token) {
+    return new TYdbProxy(endpoint, database, token);
+}
+
+IActor* CreateYdbProxy(const TString& endpoint, const TString& database, const TStaticCredentials& credentials) {
+    return new TYdbProxy(endpoint, database, credentials);
+}
+
+} // NReplication
+} // NKikimr
diff --git a/ydb/core/tx/replication/ydb_proxy/ydb_proxy.h b/ydb/core/tx/replication/ydb_proxy/ydb_proxy.h
index 1011253856..73590bfe8b 100644
--- a/ydb/core/tx/replication/ydb_proxy/ydb_proxy.h
+++ b/ydb/core/tx/replication/ydb_proxy/ydb_proxy.h
@@ -1,131 +1,131 @@
-#pragma once 
- 
+#pragma once
+
 #include <ydb/public/sdk/cpp/client/ydb_scheme/scheme.h>
 #include <ydb/public/sdk/cpp/client/ydb_table/table.h>
- 
-#include <ydb/core/base/defs.h> 
-#include <ydb/core/base/events.h> 
- 
-namespace NKikimrReplication { 
-    class TStaticCredentials; 
-} 
- 
-namespace NKikimr { 
-namespace NReplication { 
- 
-#pragma push_macro("RemoveDirectory") 
-#undef RemoveDirectory 
- 
-struct TEvYdbProxy { 
-    #define EV_REQUEST_RESPONSE(name) \ 
-        Ev##name##Request, \ 
-        Ev##name##Response 
- 
-    enum EEv { 
-        EvBegin = EventSpaceBegin(TKikimrEvents::ES_YDB_PROXY), 
- 
-        EvScheme, 
-        EV_REQUEST_RESPONSE(MakeDirectory), 
-        EV_REQUEST_RESPONSE(RemoveDirectory), 
-        EV_REQUEST_RESPONSE(DescribePath), 
-        EV_REQUEST_RESPONSE(ListDirectory), 
-        EV_REQUEST_RESPONSE(ModifyPermissions), 
- 
-        EvTable = EvBegin + 1 * 100, 
-        EV_REQUEST_RESPONSE(CreateSession), 
-        EV_REQUEST_RESPONSE(CreateTable), 
-        EV_REQUEST_RESPONSE(DropTable), 
-        EV_REQUEST_RESPONSE(AlterTable), 
-        EV_REQUEST_RESPONSE(CopyTable), 
-        EV_REQUEST_RESPONSE(CopyTables), 
-        EV_REQUEST_RESPONSE(RenameTables), 
-        EV_REQUEST_RESPONSE(DescribeTable), 
- 
-        EvEnd, 
-    }; 
- 
-    #undef EV_REQUEST_RESPONSE 
- 
-    static_assert(EvEnd < EventSpaceEnd(TKikimrEvents::ES_YDB_PROXY), "expect EvEnd < EventSpaceEnd(TKikimrEvents::ES_YDB_PROXY)"); 
- 
-    template <typename TDerived, ui32 EventType, typename... Args> 
-    struct TGenericRequest: public std::tuple<Args...>, public TEventLocal<TDerived, EventType> { 
-        using TTupleArgs = std::tuple<Args...>; 
- 
-        explicit TGenericRequest(Args... args) 
-            : std::tuple<Args...>(args...) 
-        { 
-        } 
- 
-        const TTupleArgs& GetArgs() const { 
-            return *this; 
-        } 
- 
-        TTupleArgs&& GetArgs() { 
-            return std::move(*this); 
-        } 
- 
-        using TBase = TGenericRequest<TDerived, EventType, Args...>; 
-    }; 
- 
-    template <typename TDerived, ui32 EventType, typename T> 
-    struct TGenericResponse: public TEventLocal<TDerived, EventType> { 
-        using TResult = T; 
-        using TAsyncResult = NThreading::TFuture<TResult>; 
- 
-        TResult Result; 
- 
-        template <typename... Args> 
-        explicit TGenericResponse(Args&&... args) 
-            : Result(std::forward<Args>(args)...) 
-        { 
-        } 
- 
-        using TBase = TGenericResponse<TDerived, EventType, T>; 
-    }; 
- 
-    #define DEFINE_GENERIC_REQUEST(name, ...) \ 
-        struct TEv##name##Request: public TGenericRequest<TEv##name##Request, Ev##name##Request, __VA_ARGS__> { \ 
-            using TBase::TBase; \ 
-        } 
- 
-    #define DEFINE_GENERIC_RESPONSE(name, result_t) \ 
-        struct TEv##name##Response: public TGenericResponse<TEv##name##Response, Ev##name##Response, result_t> { \ 
-            using TBase::TBase; \ 
-        } 
- 
-    #define DEFINE_GENERIC_REQUEST_RESPONSE(name, result_t, ...) \ 
-        DEFINE_GENERIC_REQUEST(name, __VA_ARGS__); \ 
-        DEFINE_GENERIC_RESPONSE(name, result_t) 
- 
-    // Scheme 
-    DEFINE_GENERIC_REQUEST_RESPONSE(MakeDirectory, NYdb::TStatus, TString, NYdb::NScheme::TMakeDirectorySettings); 
-    DEFINE_GENERIC_REQUEST_RESPONSE(RemoveDirectory, NYdb::TStatus, TString, NYdb::NScheme::TRemoveDirectorySettings); 
-    DEFINE_GENERIC_REQUEST_RESPONSE(DescribePath, NYdb::NScheme::TDescribePathResult, TString, NYdb::NScheme::TDescribePathSettings); 
-    DEFINE_GENERIC_REQUEST_RESPONSE(ListDirectory, NYdb::NScheme::TListDirectoryResult, TString, NYdb::NScheme::TListDirectorySettings); 
-    DEFINE_GENERIC_REQUEST_RESPONSE(ModifyPermissions, NYdb::TStatus, TString, NYdb::NScheme::TModifyPermissionsSettings); 
-    // Table 
-    DEFINE_GENERIC_RESPONSE(CreateSession, NYdb::NTable::TCreateSessionResult); 
-    DEFINE_GENERIC_REQUEST_RESPONSE(CreateTable, NYdb::TStatus, TString, NYdb::NTable::TTableDescription, NYdb::NTable::TCreateTableSettings); 
-    DEFINE_GENERIC_REQUEST_RESPONSE(DropTable, NYdb::TStatus, TString, NYdb::NTable::TDropTableSettings); 
-    DEFINE_GENERIC_REQUEST_RESPONSE(AlterTable, NYdb::TStatus, TString, NYdb::NTable::TAlterTableSettings); 
-    DEFINE_GENERIC_REQUEST_RESPONSE(CopyTable, NYdb::TStatus, TString, TString, NYdb::NTable::TCopyTableSettings); 
-    DEFINE_GENERIC_REQUEST_RESPONSE(CopyTables, NYdb::TStatus, TVector<NYdb::NTable::TCopyItem>, NYdb::NTable::TCopyTablesSettings); 
-    DEFINE_GENERIC_REQUEST_RESPONSE(RenameTables, NYdb::TStatus, TVector<NYdb::NTable::TRenameItem>, NYdb::NTable::TRenameTablesSettings); 
-    DEFINE_GENERIC_REQUEST_RESPONSE(DescribeTable, NYdb::NTable::TDescribeTableResult, TString, NYdb::NTable::TDescribeTableSettings); 
- 
-    #undef DEFINE_GENERIC_REQUEST_RESPONSE 
-    #undef DEFINE_GENERIC_RESPONSE 
-    #undef DEFINE_GENERIC_REQUEST 
- 
-}; // TEvYdbProxy 
- 
-#pragma pop_macro("RemoveDirectory") 
- 
-IActor* CreateYdbProxy(const TString& endpoint, const TString& database); 
-IActor* CreateYdbProxy(const TString& endpoint, const TString& database, const TString& token); 
-IActor* CreateYdbProxy(const TString& endpoint, const TString& database, 
-    const NKikimrReplication::TStaticCredentials& credentials); 
- 
-} // NReplication 
-} // NKikimr 
+
+#include <ydb/core/base/defs.h>
+#include <ydb/core/base/events.h>
+
+namespace NKikimrReplication {
+    class TStaticCredentials;
+}
+
+namespace NKikimr {
+namespace NReplication {
+
+#pragma push_macro("RemoveDirectory")
+#undef RemoveDirectory
+
+struct TEvYdbProxy {
+    #define EV_REQUEST_RESPONSE(name) \
+        Ev##name##Request, \
+        Ev##name##Response
+
+    enum EEv {
+        EvBegin = EventSpaceBegin(TKikimrEvents::ES_YDB_PROXY),
+
+        EvScheme,
+        EV_REQUEST_RESPONSE(MakeDirectory),
+        EV_REQUEST_RESPONSE(RemoveDirectory),
+        EV_REQUEST_RESPONSE(DescribePath),
+        EV_REQUEST_RESPONSE(ListDirectory),
+        EV_REQUEST_RESPONSE(ModifyPermissions),
+
+        EvTable = EvBegin + 1 * 100,
+        EV_REQUEST_RESPONSE(CreateSession),
+        EV_REQUEST_RESPONSE(CreateTable),
+        EV_REQUEST_RESPONSE(DropTable),
+        EV_REQUEST_RESPONSE(AlterTable),
+        EV_REQUEST_RESPONSE(CopyTable),
+        EV_REQUEST_RESPONSE(CopyTables),
+        EV_REQUEST_RESPONSE(RenameTables),
+        EV_REQUEST_RESPONSE(DescribeTable),
+
+        EvEnd,
+    };
+
+    #undef EV_REQUEST_RESPONSE
+
+    static_assert(EvEnd < EventSpaceEnd(TKikimrEvents::ES_YDB_PROXY), "expect EvEnd < EventSpaceEnd(TKikimrEvents::ES_YDB_PROXY)");
+
+    template <typename TDerived, ui32 EventType, typename... Args>
+    struct TGenericRequest: public std::tuple<Args...>, public TEventLocal<TDerived, EventType> {
+        using TTupleArgs = std::tuple<Args...>;
+
+        explicit TGenericRequest(Args... args)
+            : std::tuple<Args...>(args...)
+        {
+        }
+
+        const TTupleArgs& GetArgs() const {
+            return *this;
+        }
+
+        TTupleArgs&& GetArgs() {
+            return std::move(*this);
+        }
+
+        using TBase = TGenericRequest<TDerived, EventType, Args...>;
+    };
+
+    template <typename TDerived, ui32 EventType, typename T>
+    struct TGenericResponse: public TEventLocal<TDerived, EventType> {
+        using TResult = T;
+        using TAsyncResult = NThreading::TFuture<TResult>;
+
+        TResult Result;
+
+        template <typename... Args>
+        explicit TGenericResponse(Args&&... args)
+            : Result(std::forward<Args>(args)...)
+        {
+        }
+
+        using TBase = TGenericResponse<TDerived, EventType, T>;
+    };
+
+    #define DEFINE_GENERIC_REQUEST(name, ...) \
+        struct TEv##name##Request: public TGenericRequest<TEv##name##Request, Ev##name##Request, __VA_ARGS__> { \
+            using TBase::TBase; \
+        }
+
+    #define DEFINE_GENERIC_RESPONSE(name, result_t) \
+        struct TEv##name##Response: public TGenericResponse<TEv##name##Response, Ev##name##Response, result_t> { \
+            using TBase::TBase; \
+        }
+
+    #define DEFINE_GENERIC_REQUEST_RESPONSE(name, result_t, ...) \
+        DEFINE_GENERIC_REQUEST(name, __VA_ARGS__); \
+        DEFINE_GENERIC_RESPONSE(name, result_t)
+
+    // Scheme
+    DEFINE_GENERIC_REQUEST_RESPONSE(MakeDirectory, NYdb::TStatus, TString, NYdb::NScheme::TMakeDirectorySettings);
+    DEFINE_GENERIC_REQUEST_RESPONSE(RemoveDirectory, NYdb::TStatus, TString, NYdb::NScheme::TRemoveDirectorySettings);
+    DEFINE_GENERIC_REQUEST_RESPONSE(DescribePath, NYdb::NScheme::TDescribePathResult, TString, NYdb::NScheme::TDescribePathSettings);
+    DEFINE_GENERIC_REQUEST_RESPONSE(ListDirectory, NYdb::NScheme::TListDirectoryResult, TString, NYdb::NScheme::TListDirectorySettings);
+    DEFINE_GENERIC_REQUEST_RESPONSE(ModifyPermissions, NYdb::TStatus, TString, NYdb::NScheme::TModifyPermissionsSettings);
+    // Table
+    DEFINE_GENERIC_RESPONSE(CreateSession, NYdb::NTable::TCreateSessionResult);
+    DEFINE_GENERIC_REQUEST_RESPONSE(CreateTable, NYdb::TStatus, TString, NYdb::NTable::TTableDescription, NYdb::NTable::TCreateTableSettings);
+    DEFINE_GENERIC_REQUEST_RESPONSE(DropTable, NYdb::TStatus, TString, NYdb::NTable::TDropTableSettings);
+    DEFINE_GENERIC_REQUEST_RESPONSE(AlterTable, NYdb::TStatus, TString, NYdb::NTable::TAlterTableSettings);
+    DEFINE_GENERIC_REQUEST_RESPONSE(CopyTable, NYdb::TStatus, TString, TString, NYdb::NTable::TCopyTableSettings);
+    DEFINE_GENERIC_REQUEST_RESPONSE(CopyTables, NYdb::TStatus, TVector<NYdb::NTable::TCopyItem>, NYdb::NTable::TCopyTablesSettings);
+    DEFINE_GENERIC_REQUEST_RESPONSE(RenameTables, NYdb::TStatus, TVector<NYdb::NTable::TRenameItem>, NYdb::NTable::TRenameTablesSettings);
+    DEFINE_GENERIC_REQUEST_RESPONSE(DescribeTable, NYdb::NTable::TDescribeTableResult, TString, NYdb::NTable::TDescribeTableSettings);
+
+    #undef DEFINE_GENERIC_REQUEST_RESPONSE
+    #undef DEFINE_GENERIC_RESPONSE
+    #undef DEFINE_GENERIC_REQUEST
+
+}; // TEvYdbProxy
+
+#pragma pop_macro("RemoveDirectory")
+
+IActor* CreateYdbProxy(const TString& endpoint, const TString& database);
+IActor* CreateYdbProxy(const TString& endpoint, const TString& database, const TString& token);
+IActor* CreateYdbProxy(const TString& endpoint, const TString& database,
+    const NKikimrReplication::TStaticCredentials& credentials);
+
+} // NReplication
+} // NKikimr
diff --git a/ydb/core/tx/replication/ydb_proxy/ydb_proxy_ut.cpp b/ydb/core/tx/replication/ydb_proxy/ydb_proxy_ut.cpp
index 34a599463b..d536a6db19 100644
--- a/ydb/core/tx/replication/ydb_proxy/ydb_proxy_ut.cpp
+++ b/ydb/core/tx/replication/ydb_proxy/ydb_proxy_ut.cpp
@@ -1,471 +1,471 @@
-#include "ydb_proxy.h" 
- 
+#include "ydb_proxy.h"
+
 #include <ydb/core/protos/replication.pb.h>
 #include <ydb/core/testlib/test_client.h>
 #include <ydb/core/tx/schemeshard/schemeshard.h>
- 
-#include <library/cpp/testing/unittest/registar.h> 
- 
-#include <ydb/core/base/ticket_parser.h> 
- 
-namespace NKikimr { 
-namespace NReplication { 
- 
-Y_UNIT_TEST_SUITE(YdbProxyTests) { 
-    template <bool UseDatabase = true> 
-    class TEnv { 
-        static constexpr char DomainName[] = "Root"; 
- 
-        template <typename... Args> 
-        void Init(Args&&... args) { 
-            auto grpcPort = PortManager.GetPort(); 
- 
-            Server.EnableGRpc(grpcPort); 
-            Server.SetupDefaultProfiles(); 
-            Client.InitRootScheme(DomainName); 
- 
-            const auto endpoint = "localhost:" + ToString(grpcPort); 
-            const auto database = "/" + ToString(DomainName); 
- 
-            YdbProxy = Server.GetRuntime()->Register(CreateYdbProxy( 
-                endpoint, UseDatabase ? database : "", std::forward<Args>(args)...)); 
-            Sender = Server.GetRuntime()->AllocateEdgeActor(); 
-        } 
- 
-        void Login(ui64 schemeShardId, const TString& user, const TString& password) { 
-            auto req = MakeHolder<NSchemeShard::TEvSchemeShard::TEvLogin>(); 
-            req->Record.SetUser(user); 
-            req->Record.SetPassword(password); 
+
+#include <library/cpp/testing/unittest/registar.h>
+
+#include <ydb/core/base/ticket_parser.h>
+
+namespace NKikimr {
+namespace NReplication {
+
+Y_UNIT_TEST_SUITE(YdbProxyTests) {
+    template <bool UseDatabase = true>
+    class TEnv {
+        static constexpr char DomainName[] = "Root";
+
+        template <typename... Args>
+        void Init(Args&&... args) {
+            auto grpcPort = PortManager.GetPort();
+
+            Server.EnableGRpc(grpcPort);
+            Server.SetupDefaultProfiles();
+            Client.InitRootScheme(DomainName);
+
+            const auto endpoint = "localhost:" + ToString(grpcPort);
+            const auto database = "/" + ToString(DomainName);
+
+            YdbProxy = Server.GetRuntime()->Register(CreateYdbProxy(
+                endpoint, UseDatabase ? database : "", std::forward<Args>(args)...));
+            Sender = Server.GetRuntime()->AllocateEdgeActor();
+        }
+
+        void Login(ui64 schemeShardId, const TString& user, const TString& password) {
+            auto req = MakeHolder<NSchemeShard::TEvSchemeShard::TEvLogin>();
+            req->Record.SetUser(user);
+            req->Record.SetPassword(password);
             ForwardToTablet(*Server.GetRuntime(), schemeShardId, Sender, req.Release());
- 
-            auto resp = Server.GetRuntime()->GrabEdgeEvent<NSchemeShard::TEvSchemeShard::TEvLoginResult>(Sender); 
-            UNIT_ASSERT(resp->Get()->Record.GetError().empty()); 
-            UNIT_ASSERT(!resp->Get()->Record.GetToken().empty()); 
-        } 
- 
-    public: 
-        TEnv(bool init = true) 
-            : Settings(Tests::TServerSettings(PortManager.GetPort()) 
-                .SetDomainName(DomainName) 
-            ) 
-            , Server(Settings) 
-            , Client(Settings) 
-        { 
-            if (init) { 
-                Init(); 
-            } 
-        } 
- 
-        explicit TEnv(const TString& user, const TString& password) 
-            : TEnv(false) 
-        { 
-            NKikimrReplication::TStaticCredentials staticCreds; 
-            staticCreds.SetUser(user); 
-            staticCreds.SetPassword(password); 
-            Init(staticCreds); 
- 
-            const auto db = "/" + ToString(DomainName); 
-            // create user & set owner 
-            { 
-                auto st = Client.CreateUser(db, user, password); 
-                UNIT_ASSERT_VALUES_EQUAL(st, NMsgBusProxy::EResponseStatus::MSTATUS_OK); 
- 
-                Client.ModifyOwner("/", DomainName, user); 
-            } 
-            // init security state 
-            { 
-                auto resp = Client.Ls(db); 
- 
-                const auto& desc = resp->Record; 
-                UNIT_ASSERT(desc.HasPathDescription()); 
-                UNIT_ASSERT(desc.GetPathDescription().HasDomainDescription()); 
-                UNIT_ASSERT(desc.GetPathDescription().GetDomainDescription().HasDomainKey()); 
- 
-                Login(desc.GetPathDescription().GetDomainDescription().GetDomainKey().GetSchemeShard(), user, password); 
-            } 
-            // update security state 
-            { 
-                auto resp = Client.Ls(db); 
- 
-                const auto& desc = resp->Record; 
-                UNIT_ASSERT(desc.HasPathDescription()); 
-                UNIT_ASSERT(desc.GetPathDescription().HasDomainDescription()); 
-                UNIT_ASSERT(desc.GetPathDescription().GetDomainDescription().HasSecurityState()); 
- 
-                const auto& secState = desc.GetPathDescription().GetDomainDescription().GetSecurityState(); 
-                Server.GetRuntime()->Send(new IEventHandle(MakeTicketParserID(), Sender, 
-                    new TEvTicketParser::TEvUpdateLoginSecurityState(secState))); 
-            } 
-        } 
- 
-        template <typename TEvResponse> 
-        auto Send(IEventBase* ev) { 
-            Server.GetRuntime()->Send(new IEventHandle(YdbProxy, Sender, ev)); 
-            return Server.GetRuntime()->GrabEdgeEvent<TEvResponse>(Sender); 
-        } 
- 
-    private: 
-        TPortManager PortManager; 
-        Tests::TServerSettings Settings; 
-        Tests::TServer Server; 
-        Tests::TClient Client; 
-        TActorId YdbProxy; 
-        TActorId Sender; 
-    }; 
- 
-    Y_UNIT_TEST(MakeDirectory) { 
-        TEnv env; 
-        // ok 
-        { 
-            auto ev = env.Send<TEvYdbProxy::TEvMakeDirectoryResponse>( 
-                new TEvYdbProxy::TEvMakeDirectoryRequest("/Root/dir", {})); 
-            UNIT_ASSERT(ev); 
-            UNIT_ASSERT(ev->Get()->Result.IsSuccess()); 
-        } 
-        // fail 
-        { 
-            auto ev = env.Send<TEvYdbProxy::TEvMakeDirectoryResponse>( 
-                new TEvYdbProxy::TEvMakeDirectoryRequest("/Root", {})); 
-            UNIT_ASSERT(ev); 
-            UNIT_ASSERT(!ev->Get()->Result.IsSuccess()); 
-            UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Result.GetStatus(), NYdb::EStatus::BAD_REQUEST); 
-        } 
-    } 
- 
-    Y_UNIT_TEST(RemoveDirectory) { 
-        TEnv env; 
-        // make 
-        { 
-            auto ev = env.Send<TEvYdbProxy::TEvMakeDirectoryResponse>( 
-                new TEvYdbProxy::TEvMakeDirectoryRequest("/Root/dir", {})); 
-            UNIT_ASSERT(ev); 
-            UNIT_ASSERT(ev->Get()->Result.IsSuccess()); 
-        } 
-        // ok 
-        { 
-            auto ev = env.Send<TEvYdbProxy::TEvRemoveDirectoryResponse>( 
-                new TEvYdbProxy::TEvRemoveDirectoryRequest("/Root/dir", {})); 
-            UNIT_ASSERT(ev); 
-            UNIT_ASSERT(ev->Get()->Result.IsSuccess()); 
-        } 
-        // fail 
-        { 
-            auto ev = env.Send<TEvYdbProxy::TEvRemoveDirectoryResponse>( 
-                new TEvYdbProxy::TEvRemoveDirectoryRequest("/Root/dir", {})); 
-            UNIT_ASSERT(ev); 
-            UNIT_ASSERT(!ev->Get()->Result.IsSuccess()); 
-            UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Result.GetStatus(), NYdb::EStatus::SCHEME_ERROR); 
-        } 
-    } 
- 
-    Y_UNIT_TEST(DescribePath) { 
-        TEnv env; 
-        // describe root 
-        { 
-            auto ev = env.Send<TEvYdbProxy::TEvDescribePathResponse>( 
-                new TEvYdbProxy::TEvDescribePathRequest("/Root", {})); 
-            UNIT_ASSERT(ev); 
-            UNIT_ASSERT(ev->Get()->Result.IsSuccess()); 
- 
-            const auto& entry = ev->Get()->Result.GetEntry(); 
-            UNIT_ASSERT_VALUES_EQUAL(entry.Name, "Root"); 
-            UNIT_ASSERT_VALUES_EQUAL(entry.Type, NYdb::NScheme::ESchemeEntryType::Directory); 
-        } 
-        // make dir 
-        { 
-            auto ev = env.Send<TEvYdbProxy::TEvMakeDirectoryResponse>( 
-                new TEvYdbProxy::TEvMakeDirectoryRequest("/Root/dir", {})); 
-            UNIT_ASSERT(ev); 
-            UNIT_ASSERT(ev->Get()->Result.IsSuccess()); 
-        } 
-        // describe dir 
-        { 
-            auto ev = env.Send<TEvYdbProxy::TEvDescribePathResponse>( 
-                new TEvYdbProxy::TEvDescribePathRequest("/Root/dir", {})); 
-            UNIT_ASSERT(ev); 
-            UNIT_ASSERT(ev->Get()->Result.IsSuccess()); 
- 
-            const auto& entry = ev->Get()->Result.GetEntry(); 
-            UNIT_ASSERT_VALUES_EQUAL(entry.Name, "dir"); 
-            UNIT_ASSERT_VALUES_EQUAL(entry.Type, NYdb::NScheme::ESchemeEntryType::Directory); 
-        } 
-    } 
- 
-    Y_UNIT_TEST(ListDirectory) { 
-        TEnv env; 
-        // describe empty root 
-        { 
-            auto ev = env.Send<TEvYdbProxy::TEvListDirectoryResponse>( 
-                new TEvYdbProxy::TEvListDirectoryRequest("/Root", {})); 
-            UNIT_ASSERT(ev); 
-            UNIT_ASSERT(ev->Get()->Result.IsSuccess()); 
- 
-            const auto& self = ev->Get()->Result.GetEntry(); 
-            UNIT_ASSERT_VALUES_EQUAL(self.Name, "Root"); 
-            UNIT_ASSERT_VALUES_EQUAL(self.Type, NYdb::NScheme::ESchemeEntryType::Directory); 
- 
-            const auto& children = ev->Get()->Result.GetChildren(); 
-            UNIT_ASSERT_VALUES_EQUAL(children.size(), 1); 
-            UNIT_ASSERT_VALUES_EQUAL(children[0].Name, ".sys"); 
-            UNIT_ASSERT_VALUES_EQUAL(children[0].Type, NYdb::NScheme::ESchemeEntryType::Directory); 
-        } 
-        // make dir 
-        { 
-            auto ev = env.Send<TEvYdbProxy::TEvMakeDirectoryResponse>( 
-                new TEvYdbProxy::TEvMakeDirectoryRequest("/Root/dir", {})); 
-            UNIT_ASSERT(ev); 
-            UNIT_ASSERT(ev->Get()->Result.IsSuccess()); 
-        } 
-        // describe non-empty root 
-        { 
-            auto ev = env.Send<TEvYdbProxy::TEvListDirectoryResponse>( 
-                new TEvYdbProxy::TEvListDirectoryRequest("/Root", {})); 
-            UNIT_ASSERT(ev); 
-            UNIT_ASSERT(ev->Get()->Result.IsSuccess()); 
- 
-            const auto& self = ev->Get()->Result.GetEntry(); 
-            UNIT_ASSERT_VALUES_EQUAL(self.Name, "Root"); 
-            UNIT_ASSERT_VALUES_EQUAL(self.Type, NYdb::NScheme::ESchemeEntryType::Directory); 
- 
-            const auto& children = ev->Get()->Result.GetChildren(); 
-            UNIT_ASSERT_VALUES_EQUAL(children.size(), 2); 
-        } 
-    } 
- 
-    Y_UNIT_TEST(StaticCreds) { 
-        TEnv env("user1", "password1"); 
-        // make dir 
-        { 
-            auto ev = env.Send<TEvYdbProxy::TEvMakeDirectoryResponse>( 
-                new TEvYdbProxy::TEvMakeDirectoryRequest("/Root/dir", {})); 
-            UNIT_ASSERT(ev); 
-            UNIT_ASSERT(ev->Get()->Result.IsSuccess()); 
-        } 
-    } 
- 
-    Y_UNIT_TEST(CreateTable) { 
-        TEnv<false> env; 
-        // invalid key 
-        { 
-            auto schema = NYdb::NTable::TTableBuilder() 
-                .AddNullableColumn("key", NYdb::EPrimitiveType::Float) // cannot be key 
-                .AddNullableColumn("value", NYdb::EPrimitiveType::Utf8) 
-                .SetPrimaryKeyColumn("key") 
-                .Build(); 
- 
-            auto ev = env.Send<TEvYdbProxy::TEvCreateTableResponse>( 
-                new TEvYdbProxy::TEvCreateTableRequest("/Root/table", std::move(schema), {})); 
-            UNIT_ASSERT(ev); 
-            UNIT_ASSERT(!ev->Get()->Result.IsSuccess()); 
-            UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Result.GetStatus(), NYdb::EStatus::SCHEME_ERROR); 
-        } 
-        // ok, created 
-        { 
-            auto schema = NYdb::NTable::TTableBuilder() 
-                .AddNullableColumn("key", NYdb::EPrimitiveType::Uint64) 
-                .AddNullableColumn("value", NYdb::EPrimitiveType::Utf8) 
-                .SetPrimaryKeyColumn("key") 
-                .Build(); 
- 
-            auto ev = env.Send<TEvYdbProxy::TEvCreateTableResponse>( 
-                new TEvYdbProxy::TEvCreateTableRequest("/Root/table", std::move(schema), {})); 
-            UNIT_ASSERT(ev); 
-            UNIT_ASSERT(ev->Get()->Result.IsSuccess()); 
-        } 
-        // ok, exists 
-        { 
-            auto schema = NYdb::NTable::TTableBuilder() 
-                .AddNullableColumn("key", NYdb::EPrimitiveType::Uint64) 
-                .AddNullableColumn("value", NYdb::EPrimitiveType::Utf8) 
-                .SetPrimaryKeyColumn("key") 
-                .Build(); 
- 
-            auto ev = env.Send<TEvYdbProxy::TEvCreateTableResponse>( 
-                new TEvYdbProxy::TEvCreateTableRequest("/Root/table", std::move(schema), {})); 
-            UNIT_ASSERT(ev); 
-            UNIT_ASSERT(ev->Get()->Result.IsSuccess()); 
-        } 
-    } 
- 
-    Y_UNIT_TEST(DropTable) { 
-        TEnv<false> env; 
-        // create 
-        { 
-            auto schema = NYdb::NTable::TTableBuilder() 
-                .AddNullableColumn("key", NYdb::EPrimitiveType::Uint64) 
-                .AddNullableColumn("value", NYdb::EPrimitiveType::Utf8) 
-                .SetPrimaryKeyColumn("key") 
-                .Build(); 
- 
-            auto ev = env.Send<TEvYdbProxy::TEvCreateTableResponse>( 
-                new TEvYdbProxy::TEvCreateTableRequest("/Root/table", std::move(schema), {})); 
-            UNIT_ASSERT(ev); 
-            UNIT_ASSERT(ev->Get()->Result.IsSuccess()); 
-        } 
-        // ok 
-        { 
-            auto ev = env.Send<TEvYdbProxy::TEvDropTableResponse>( 
-                new TEvYdbProxy::TEvDropTableRequest("/Root/table", {})); 
-            UNIT_ASSERT(ev); 
-            UNIT_ASSERT(ev->Get()->Result.IsSuccess()); 
-        } 
-        // fail 
-        { 
-            auto ev = env.Send<TEvYdbProxy::TEvDropTableResponse>( 
-                new TEvYdbProxy::TEvDropTableRequest("/Root/table", {})); 
-            UNIT_ASSERT(ev); 
-            UNIT_ASSERT(!ev->Get()->Result.IsSuccess()); 
-            UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Result.GetStatus(), NYdb::EStatus::SCHEME_ERROR); 
-        } 
-    } 
- 
-    Y_UNIT_TEST(AlterTable) { 
-        TEnv<false> env; 
-        // fail 
-        { 
-            auto settings = NYdb::NTable::TAlterTableSettings() 
-                .AppendDropColumns("extra"); 
- 
-            auto ev = env.Send<TEvYdbProxy::TEvAlterTableResponse>( 
-                new TEvYdbProxy::TEvAlterTableRequest("/Root/table", settings)); 
-            UNIT_ASSERT(ev); 
-            UNIT_ASSERT(!ev->Get()->Result.IsSuccess()); 
-            UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Result.GetStatus(), NYdb::EStatus::SCHEME_ERROR); 
-        } 
-        // create 
-        { 
-            auto schema = NYdb::NTable::TTableBuilder() 
-                .AddNullableColumn("key", NYdb::EPrimitiveType::Uint64) 
-                .AddNullableColumn("value", NYdb::EPrimitiveType::Utf8) 
-                .AddNullableColumn("extra", NYdb::EPrimitiveType::Utf8) 
-                .SetPrimaryKeyColumn("key") 
-                .Build(); 
- 
-            auto ev = env.Send<TEvYdbProxy::TEvCreateTableResponse>( 
-                new TEvYdbProxy::TEvCreateTableRequest("/Root/table", std::move(schema), {})); 
-            UNIT_ASSERT(ev); 
-            UNIT_ASSERT(ev->Get()->Result.IsSuccess()); 
-        } 
-        // ok 
-        { 
-            auto settings = NYdb::NTable::TAlterTableSettings() 
-                .AppendDropColumns("extra"); 
- 
-            auto ev = env.Send<TEvYdbProxy::TEvAlterTableResponse>( 
-                new TEvYdbProxy::TEvAlterTableRequest("/Root/table", settings)); 
-            UNIT_ASSERT(ev); 
-            UNIT_ASSERT(ev->Get()->Result.IsSuccess()); 
-        } 
-        // invalid column 
-        { 
-            auto settings = NYdb::NTable::TAlterTableSettings() 
-                .AppendDropColumns("extra"); // not exist 
- 
-            auto ev = env.Send<TEvYdbProxy::TEvAlterTableResponse>( 
-                new TEvYdbProxy::TEvAlterTableRequest("/Root/table", settings)); 
-            UNIT_ASSERT(ev); 
-            UNIT_ASSERT(!ev->Get()->Result.IsSuccess()); 
-            UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Result.GetStatus(), NYdb::EStatus::GENERIC_ERROR); 
-        } 
-    } 
- 
-    Y_UNIT_TEST(CopyTable) { 
-        TEnv<false> env; 
-        // fail 
-        { 
-            auto ev = env.Send<TEvYdbProxy::TEvCopyTableResponse>( 
-                new TEvYdbProxy::TEvCopyTableRequest("/Root/table", "/Root/copy", {})); 
-            UNIT_ASSERT(ev); 
-            UNIT_ASSERT(!ev->Get()->Result.IsSuccess()); 
-            UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Result.GetStatus(), NYdb::EStatus::SCHEME_ERROR); 
-        } 
-        // create 
-        { 
-            auto schema = NYdb::NTable::TTableBuilder() 
-                .AddNullableColumn("key", NYdb::EPrimitiveType::Uint64) 
-                .AddNullableColumn("value", NYdb::EPrimitiveType::Utf8) 
-                .SetPrimaryKeyColumn("key") 
-                .Build(); 
- 
-            auto ev = env.Send<TEvYdbProxy::TEvCreateTableResponse>( 
-                new TEvYdbProxy::TEvCreateTableRequest("/Root/table", std::move(schema), {})); 
-            UNIT_ASSERT(ev); 
-            UNIT_ASSERT(ev->Get()->Result.IsSuccess()); 
-        } 
-        // ok 
-        { 
-            auto ev = env.Send<TEvYdbProxy::TEvCopyTableResponse>( 
-                new TEvYdbProxy::TEvCopyTableRequest("/Root/table", "/Root/copy", {})); 
-            UNIT_ASSERT(ev); 
-            UNIT_ASSERT(ev->Get()->Result.IsSuccess()); 
-        } 
-    } 
- 
-    Y_UNIT_TEST(CopyTables) { 
-        TEnv<false> env; 
- 
-        TVector<NYdb::NTable::TCopyItem> items{ 
-            {"/Root/table1", "/Root/copy1"}, 
-            {"/Root/table2", "/Root/copy2"}, 
-        }; 
- 
-        // create 
-        for (const auto& item : items) { 
-            auto schema = NYdb::NTable::TTableBuilder() 
-                .AddNullableColumn("key", NYdb::EPrimitiveType::Uint64) 
-                .AddNullableColumn("value", NYdb::EPrimitiveType::Utf8) 
-                .SetPrimaryKeyColumn("key") 
-                .Build(); 
- 
-            auto ev = env.Send<TEvYdbProxy::TEvCreateTableResponse>( 
-                new TEvYdbProxy::TEvCreateTableRequest(item.SourcePath(), std::move(schema), {})); 
-            UNIT_ASSERT(ev); 
-            UNIT_ASSERT(ev->Get()->Result.IsSuccess()); 
-        } 
-        // copy 
-        { 
- 
-            auto ev = env.Send<TEvYdbProxy::TEvCopyTablesResponse>( 
-                new TEvYdbProxy::TEvCopyTablesRequest(std::move(items), {})); 
-            UNIT_ASSERT(ev); 
-            UNIT_ASSERT(ev->Get()->Result.IsSuccess()); 
-        } 
-    } 
- 
-    Y_UNIT_TEST(DescribeTable) { 
-        TEnv<false> env; 
-        // create 
-        { 
-            auto schema = NYdb::NTable::TTableBuilder() 
-                .AddNullableColumn("key", NYdb::EPrimitiveType::Uint64) 
-                .AddNullableColumn("value", NYdb::EPrimitiveType::Utf8) 
-                .SetPrimaryKeyColumn("key") 
-                .Build(); 
- 
-            auto ev = env.Send<TEvYdbProxy::TEvCreateTableResponse>( 
-                new TEvYdbProxy::TEvCreateTableRequest("/Root/table", std::move(schema), {})); 
-            UNIT_ASSERT(ev); 
-            UNIT_ASSERT(ev->Get()->Result.IsSuccess()); 
-        } 
-        // describe 
-        { 
-            auto ev = env.Send<TEvYdbProxy::TEvDescribeTableResponse>( 
-                new TEvYdbProxy::TEvDescribeTableRequest("/Root/table", {})); 
-            UNIT_ASSERT(ev); 
-            UNIT_ASSERT(ev->Get()->Result.IsSuccess()); 
- 
-            const auto& schema = ev->Get()->Result.GetTableDescription(); 
-            // same pk 
-            UNIT_ASSERT_EQUAL(schema.GetPrimaryKeyColumns().size(), 1); 
-            UNIT_ASSERT_EQUAL(schema.GetPrimaryKeyColumns().at(0), "key"); 
-            // same columns 
-            UNIT_ASSERT_EQUAL(schema.GetColumns().size(), 2); 
-            UNIT_ASSERT_EQUAL(schema.GetColumns().at(0).Name, "key"); 
-            UNIT_ASSERT_EQUAL(schema.GetColumns().at(1).Name, "value"); 
-        } 
-    } 
- 
-} // YdbProxyTests 
- 
-} // NReplication 
-} // NKikimr 
+
+            auto resp = Server.GetRuntime()->GrabEdgeEvent<NSchemeShard::TEvSchemeShard::TEvLoginResult>(Sender);
+            UNIT_ASSERT(resp->Get()->Record.GetError().empty());
+            UNIT_ASSERT(!resp->Get()->Record.GetToken().empty());
+        }
+
+    public:
+        TEnv(bool init = true)
+            : Settings(Tests::TServerSettings(PortManager.GetPort())
+                .SetDomainName(DomainName)
+            )
+            , Server(Settings)
+            , Client(Settings)
+        {
+            if (init) {
+                Init();
+            }
+        }
+
+        explicit TEnv(const TString& user, const TString& password)
+            : TEnv(false)
+        {
+            NKikimrReplication::TStaticCredentials staticCreds;
+            staticCreds.SetUser(user);
+            staticCreds.SetPassword(password);
+            Init(staticCreds);
+
+            const auto db = "/" + ToString(DomainName);
+            // create user & set owner
+            {
+                auto st = Client.CreateUser(db, user, password);
+                UNIT_ASSERT_VALUES_EQUAL(st, NMsgBusProxy::EResponseStatus::MSTATUS_OK);
+
+                Client.ModifyOwner("/", DomainName, user);
+            }
+            // init security state
+            {
+                auto resp = Client.Ls(db);
+
+                const auto& desc = resp->Record;
+                UNIT_ASSERT(desc.HasPathDescription());
+                UNIT_ASSERT(desc.GetPathDescription().HasDomainDescription());
+                UNIT_ASSERT(desc.GetPathDescription().GetDomainDescription().HasDomainKey());
+
+                Login(desc.GetPathDescription().GetDomainDescription().GetDomainKey().GetSchemeShard(), user, password);
+            }
+            // update security state
+            {
+                auto resp = Client.Ls(db);
+
+                const auto& desc = resp->Record;
+                UNIT_ASSERT(desc.HasPathDescription());
+                UNIT_ASSERT(desc.GetPathDescription().HasDomainDescription());
+                UNIT_ASSERT(desc.GetPathDescription().GetDomainDescription().HasSecurityState());
+
+                const auto& secState = desc.GetPathDescription().GetDomainDescription().GetSecurityState();
+                Server.GetRuntime()->Send(new IEventHandle(MakeTicketParserID(), Sender,
+                    new TEvTicketParser::TEvUpdateLoginSecurityState(secState)));
+            }
+        }
+
+        template <typename TEvResponse>
+        auto Send(IEventBase* ev) {
+            Server.GetRuntime()->Send(new IEventHandle(YdbProxy, Sender, ev));
+            return Server.GetRuntime()->GrabEdgeEvent<TEvResponse>(Sender);
+        }
+
+    private:
+        TPortManager PortManager;
+        Tests::TServerSettings Settings;
+        Tests::TServer Server;
+        Tests::TClient Client;
+        TActorId YdbProxy;
+        TActorId Sender;
+    };
+
+    Y_UNIT_TEST(MakeDirectory) {
+        TEnv env;
+        // ok
+        {
+            auto ev = env.Send<TEvYdbProxy::TEvMakeDirectoryResponse>(
+                new TEvYdbProxy::TEvMakeDirectoryRequest("/Root/dir", {}));
+            UNIT_ASSERT(ev);
+            UNIT_ASSERT(ev->Get()->Result.IsSuccess());
+        }
+        // fail
+        {
+            auto ev = env.Send<TEvYdbProxy::TEvMakeDirectoryResponse>(
+                new TEvYdbProxy::TEvMakeDirectoryRequest("/Root", {}));
+            UNIT_ASSERT(ev);
+            UNIT_ASSERT(!ev->Get()->Result.IsSuccess());
+            UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Result.GetStatus(), NYdb::EStatus::BAD_REQUEST);
+        }
+    }
+
+    Y_UNIT_TEST(RemoveDirectory) {
+        TEnv env;
+        // make
+        {
+            auto ev = env.Send<TEvYdbProxy::TEvMakeDirectoryResponse>(
+                new TEvYdbProxy::TEvMakeDirectoryRequest("/Root/dir", {}));
+            UNIT_ASSERT(ev);
+            UNIT_ASSERT(ev->Get()->Result.IsSuccess());
+        }
+        // ok
+        {
+            auto ev = env.Send<TEvYdbProxy::TEvRemoveDirectoryResponse>(
+                new TEvYdbProxy::TEvRemoveDirectoryRequest("/Root/dir", {}));
+            UNIT_ASSERT(ev);
+            UNIT_ASSERT(ev->Get()->Result.IsSuccess());
+        }
+        // fail
+        {
+            auto ev = env.Send<TEvYdbProxy::TEvRemoveDirectoryResponse>(
+                new TEvYdbProxy::TEvRemoveDirectoryRequest("/Root/dir", {}));
+            UNIT_ASSERT(ev);
+            UNIT_ASSERT(!ev->Get()->Result.IsSuccess());
+            UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Result.GetStatus(), NYdb::EStatus::SCHEME_ERROR);
+        }
+    }
+
+    Y_UNIT_TEST(DescribePath) {
+        TEnv env;
+        // describe root
+        {
+            auto ev = env.Send<TEvYdbProxy::TEvDescribePathResponse>(
+                new TEvYdbProxy::TEvDescribePathRequest("/Root", {}));
+            UNIT_ASSERT(ev);
+            UNIT_ASSERT(ev->Get()->Result.IsSuccess());
+
+            const auto& entry = ev->Get()->Result.GetEntry();
+            UNIT_ASSERT_VALUES_EQUAL(entry.Name, "Root");
+            UNIT_ASSERT_VALUES_EQUAL(entry.Type, NYdb::NScheme::ESchemeEntryType::Directory);
+        }
+        // make dir
+        {
+            auto ev = env.Send<TEvYdbProxy::TEvMakeDirectoryResponse>(
+                new TEvYdbProxy::TEvMakeDirectoryRequest("/Root/dir", {}));
+            UNIT_ASSERT(ev);
+            UNIT_ASSERT(ev->Get()->Result.IsSuccess());
+        }
+        // describe dir
+        {
+            auto ev = env.Send<TEvYdbProxy::TEvDescribePathResponse>(
+                new TEvYdbProxy::TEvDescribePathRequest("/Root/dir", {}));
+            UNIT_ASSERT(ev);
+            UNIT_ASSERT(ev->Get()->Result.IsSuccess());
+
+            const auto& entry = ev->Get()->Result.GetEntry();
+            UNIT_ASSERT_VALUES_EQUAL(entry.Name, "dir");
+            UNIT_ASSERT_VALUES_EQUAL(entry.Type, NYdb::NScheme::ESchemeEntryType::Directory);
+        }
+    }
+
+    Y_UNIT_TEST(ListDirectory) {
+        TEnv env;
+        // describe empty root
+        {
+            auto ev = env.Send<TEvYdbProxy::TEvListDirectoryResponse>(
+                new TEvYdbProxy::TEvListDirectoryRequest("/Root", {}));
+            UNIT_ASSERT(ev);
+            UNIT_ASSERT(ev->Get()->Result.IsSuccess());
+
+            const auto& self = ev->Get()->Result.GetEntry();
+            UNIT_ASSERT_VALUES_EQUAL(self.Name, "Root");
+            UNIT_ASSERT_VALUES_EQUAL(self.Type, NYdb::NScheme::ESchemeEntryType::Directory);
+
+            const auto& children = ev->Get()->Result.GetChildren();
+            UNIT_ASSERT_VALUES_EQUAL(children.size(), 1);
+            UNIT_ASSERT_VALUES_EQUAL(children[0].Name, ".sys");
+            UNIT_ASSERT_VALUES_EQUAL(children[0].Type, NYdb::NScheme::ESchemeEntryType::Directory);
+        }
+        // make dir
+        {
+            auto ev = env.Send<TEvYdbProxy::TEvMakeDirectoryResponse>(
+                new TEvYdbProxy::TEvMakeDirectoryRequest("/Root/dir", {}));
+            UNIT_ASSERT(ev);
+            UNIT_ASSERT(ev->Get()->Result.IsSuccess());
+        }
+        // describe non-empty root
+        {
+            auto ev = env.Send<TEvYdbProxy::TEvListDirectoryResponse>(
+                new TEvYdbProxy::TEvListDirectoryRequest("/Root", {}));
+            UNIT_ASSERT(ev);
+            UNIT_ASSERT(ev->Get()->Result.IsSuccess());
+
+            const auto& self = ev->Get()->Result.GetEntry();
+            UNIT_ASSERT_VALUES_EQUAL(self.Name, "Root");
+            UNIT_ASSERT_VALUES_EQUAL(self.Type, NYdb::NScheme::ESchemeEntryType::Directory);
+
+            const auto& children = ev->Get()->Result.GetChildren();
+            UNIT_ASSERT_VALUES_EQUAL(children.size(), 2);
+        }
+    }
+
+    Y_UNIT_TEST(StaticCreds) {
+        TEnv env("user1", "password1");
+        // make dir
+        {
+            auto ev = env.Send<TEvYdbProxy::TEvMakeDirectoryResponse>(
+                new TEvYdbProxy::TEvMakeDirectoryRequest("/Root/dir", {}));
+            UNIT_ASSERT(ev);
+            UNIT_ASSERT(ev->Get()->Result.IsSuccess());
+        }
+    }
+
+    Y_UNIT_TEST(CreateTable) {
+        TEnv<false> env;
+        // invalid key
+        {
+            auto schema = NYdb::NTable::TTableBuilder()
+                .AddNullableColumn("key", NYdb::EPrimitiveType::Float) // cannot be key
+                .AddNullableColumn("value", NYdb::EPrimitiveType::Utf8)
+                .SetPrimaryKeyColumn("key")
+                .Build();
+
+            auto ev = env.Send<TEvYdbProxy::TEvCreateTableResponse>(
+                new TEvYdbProxy::TEvCreateTableRequest("/Root/table", std::move(schema), {}));
+            UNIT_ASSERT(ev);
+            UNIT_ASSERT(!ev->Get()->Result.IsSuccess());
+            UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Result.GetStatus(), NYdb::EStatus::SCHEME_ERROR);
+        }
+        // ok, created
+        {
+            auto schema = NYdb::NTable::TTableBuilder()
+                .AddNullableColumn("key", NYdb::EPrimitiveType::Uint64)
+                .AddNullableColumn("value", NYdb::EPrimitiveType::Utf8)
+                .SetPrimaryKeyColumn("key")
+                .Build();
+
+            auto ev = env.Send<TEvYdbProxy::TEvCreateTableResponse>(
+                new TEvYdbProxy::TEvCreateTableRequest("/Root/table", std::move(schema), {}));
+            UNIT_ASSERT(ev);
+            UNIT_ASSERT(ev->Get()->Result.IsSuccess());
+        }
+        // ok, exists
+        {
+            auto schema = NYdb::NTable::TTableBuilder()
+                .AddNullableColumn("key", NYdb::EPrimitiveType::Uint64)
+                .AddNullableColumn("value", NYdb::EPrimitiveType::Utf8)
+                .SetPrimaryKeyColumn("key")
+                .Build();
+
+            auto ev = env.Send<TEvYdbProxy::TEvCreateTableResponse>(
+                new TEvYdbProxy::TEvCreateTableRequest("/Root/table", std::move(schema), {}));
+            UNIT_ASSERT(ev);
+            UNIT_ASSERT(ev->Get()->Result.IsSuccess());
+        }
+    }
+
+    Y_UNIT_TEST(DropTable) {
+        TEnv<false> env;
+        // create
+        {
+            auto schema = NYdb::NTable::TTableBuilder()
+                .AddNullableColumn("key", NYdb::EPrimitiveType::Uint64)
+                .AddNullableColumn("value", NYdb::EPrimitiveType::Utf8)
+                .SetPrimaryKeyColumn("key")
+                .Build();
+
+            auto ev = env.Send<TEvYdbProxy::TEvCreateTableResponse>(
+                new TEvYdbProxy::TEvCreateTableRequest("/Root/table", std::move(schema), {}));
+            UNIT_ASSERT(ev);
+            UNIT_ASSERT(ev->Get()->Result.IsSuccess());
+        }
+        // ok
+        {
+            auto ev = env.Send<TEvYdbProxy::TEvDropTableResponse>(
+                new TEvYdbProxy::TEvDropTableRequest("/Root/table", {}));
+            UNIT_ASSERT(ev);
+            UNIT_ASSERT(ev->Get()->Result.IsSuccess());
+        }
+        // fail
+        {
+            auto ev = env.Send<TEvYdbProxy::TEvDropTableResponse>(
+                new TEvYdbProxy::TEvDropTableRequest("/Root/table", {}));
+            UNIT_ASSERT(ev);
+            UNIT_ASSERT(!ev->Get()->Result.IsSuccess());
+            UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Result.GetStatus(), NYdb::EStatus::SCHEME_ERROR);
+        }
+    }
+
+    Y_UNIT_TEST(AlterTable) {
+        TEnv<false> env;
+        // fail
+        {
+            auto settings = NYdb::NTable::TAlterTableSettings()
+                .AppendDropColumns("extra");
+
+            auto ev = env.Send<TEvYdbProxy::TEvAlterTableResponse>(
+                new TEvYdbProxy::TEvAlterTableRequest("/Root/table", settings));
+            UNIT_ASSERT(ev);
+            UNIT_ASSERT(!ev->Get()->Result.IsSuccess());
+            UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Result.GetStatus(), NYdb::EStatus::SCHEME_ERROR);
+        }
+        // create
+        {
+            auto schema = NYdb::NTable::TTableBuilder()
+                .AddNullableColumn("key", NYdb::EPrimitiveType::Uint64)
+                .AddNullableColumn("value", NYdb::EPrimitiveType::Utf8)
+                .AddNullableColumn("extra", NYdb::EPrimitiveType::Utf8)
+                .SetPrimaryKeyColumn("key")
+                .Build();
+
+            auto ev = env.Send<TEvYdbProxy::TEvCreateTableResponse>(
+                new TEvYdbProxy::TEvCreateTableRequest("/Root/table", std::move(schema), {}));
+            UNIT_ASSERT(ev);
+            UNIT_ASSERT(ev->Get()->Result.IsSuccess());
+        }
+        // ok
+        {
+            auto settings = NYdb::NTable::TAlterTableSettings()
+                .AppendDropColumns("extra");
+
+            auto ev = env.Send<TEvYdbProxy::TEvAlterTableResponse>(
+                new TEvYdbProxy::TEvAlterTableRequest("/Root/table", settings));
+            UNIT_ASSERT(ev);
+            UNIT_ASSERT(ev->Get()->Result.IsSuccess());
+        }
+        // invalid column
+        {
+            auto settings = NYdb::NTable::TAlterTableSettings()
+                .AppendDropColumns("extra"); // not exist
+
+            auto ev = env.Send<TEvYdbProxy::TEvAlterTableResponse>(
+                new TEvYdbProxy::TEvAlterTableRequest("/Root/table", settings));
+            UNIT_ASSERT(ev);
+            UNIT_ASSERT(!ev->Get()->Result.IsSuccess());
+            UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Result.GetStatus(), NYdb::EStatus::GENERIC_ERROR);
+        }
+    }
+
+    Y_UNIT_TEST(CopyTable) {
+        TEnv<false> env;
+        // fail
+        {
+            auto ev = env.Send<TEvYdbProxy::TEvCopyTableResponse>(
+                new TEvYdbProxy::TEvCopyTableRequest("/Root/table", "/Root/copy", {}));
+            UNIT_ASSERT(ev);
+            UNIT_ASSERT(!ev->Get()->Result.IsSuccess());
+            UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Result.GetStatus(), NYdb::EStatus::SCHEME_ERROR);
+        }
+        // create
+        {
+            auto schema = NYdb::NTable::TTableBuilder()
+                .AddNullableColumn("key", NYdb::EPrimitiveType::Uint64)
+                .AddNullableColumn("value", NYdb::EPrimitiveType::Utf8)
+                .SetPrimaryKeyColumn("key")
+                .Build();
+
+            auto ev = env.Send<TEvYdbProxy::TEvCreateTableResponse>(
+                new TEvYdbProxy::TEvCreateTableRequest("/Root/table", std::move(schema), {}));
+            UNIT_ASSERT(ev);
+            UNIT_ASSERT(ev->Get()->Result.IsSuccess());
+        }
+        // ok
+        {
+            auto ev = env.Send<TEvYdbProxy::TEvCopyTableResponse>(
+                new TEvYdbProxy::TEvCopyTableRequest("/Root/table", "/Root/copy", {}));
+            UNIT_ASSERT(ev);
+            UNIT_ASSERT(ev->Get()->Result.IsSuccess());
+        }
+    }
+
+    Y_UNIT_TEST(CopyTables) {
+        TEnv<false> env;
+
+        TVector<NYdb::NTable::TCopyItem> items{
+            {"/Root/table1", "/Root/copy1"},
+            {"/Root/table2", "/Root/copy2"},
+        };
+
+        // create
+        for (const auto& item : items) {
+            auto schema = NYdb::NTable::TTableBuilder()
+                .AddNullableColumn("key", NYdb::EPrimitiveType::Uint64)
+                .AddNullableColumn("value", NYdb::EPrimitiveType::Utf8)
+                .SetPrimaryKeyColumn("key")
+                .Build();
+
+            auto ev = env.Send<TEvYdbProxy::TEvCreateTableResponse>(
+                new TEvYdbProxy::TEvCreateTableRequest(item.SourcePath(), std::move(schema), {}));
+            UNIT_ASSERT(ev);
+            UNIT_ASSERT(ev->Get()->Result.IsSuccess());
+        }
+        // copy
+        {
+
+            auto ev = env.Send<TEvYdbProxy::TEvCopyTablesResponse>(
+                new TEvYdbProxy::TEvCopyTablesRequest(std::move(items), {}));
+            UNIT_ASSERT(ev);
+            UNIT_ASSERT(ev->Get()->Result.IsSuccess());
+        }
+    }
+
+    Y_UNIT_TEST(DescribeTable) {
+        TEnv<false> env;
+        // create
+        {
+            auto schema = NYdb::NTable::TTableBuilder()
+                .AddNullableColumn("key", NYdb::EPrimitiveType::Uint64)
+                .AddNullableColumn("value", NYdb::EPrimitiveType::Utf8)
+                .SetPrimaryKeyColumn("key")
+                .Build();
+
+            auto ev = env.Send<TEvYdbProxy::TEvCreateTableResponse>(
+                new TEvYdbProxy::TEvCreateTableRequest("/Root/table", std::move(schema), {}));
+            UNIT_ASSERT(ev);
+            UNIT_ASSERT(ev->Get()->Result.IsSuccess());
+        }
+        // describe
+        {
+            auto ev = env.Send<TEvYdbProxy::TEvDescribeTableResponse>(
+                new TEvYdbProxy::TEvDescribeTableRequest("/Root/table", {}));
+            UNIT_ASSERT(ev);
+            UNIT_ASSERT(ev->Get()->Result.IsSuccess());
+
+            const auto& schema = ev->Get()->Result.GetTableDescription();
+            // same pk
+            UNIT_ASSERT_EQUAL(schema.GetPrimaryKeyColumns().size(), 1);
+            UNIT_ASSERT_EQUAL(schema.GetPrimaryKeyColumns().at(0), "key");
+            // same columns
+            UNIT_ASSERT_EQUAL(schema.GetColumns().size(), 2);
+            UNIT_ASSERT_EQUAL(schema.GetColumns().at(0).Name, "key");
+            UNIT_ASSERT_EQUAL(schema.GetColumns().at(1).Name, "value");
+        }
+    }
+
+} // YdbProxyTests
+
+} // NReplication
+} // NKikimr
diff --git a/ydb/core/tx/scheme_board/cache.cpp b/ydb/core/tx/scheme_board/cache.cpp
index 7a184a842b..8e778a4a1d 100644
--- a/ydb/core/tx/scheme_board/cache.cpp
+++ b/ydb/core/tx/scheme_board/cache.cpp
@@ -1,10 +1,10 @@
-#include "cache.h" 
-#include "double_indexed.h" 
-#include "events.h" 
-#include "helpers.h" 
-#include "monitorable_actor.h" 
-#include "subscriber.h" 
- 
+#include "cache.h"
+#include "double_indexed.h"
+#include "events.h"
+#include "helpers.h"
+#include "monitorable_actor.h"
+#include "subscriber.h"
+
 #include <ydb/core/tx/datashard/sys_tables.h>
 #include <ydb/core/base/appdata.h>
 #include <ydb/core/base/counters.h>
@@ -17,281 +17,281 @@
 #include <ydb/core/sys_view/common/schema.h>
 #include <ydb/core/tx/schemeshard/schemeshard_types.h>
 #include <ydb/core/util/yverify_stream.h>
- 
+
 #include <library/cpp/actors/core/actor_bootstrapped.h>
 #include <library/cpp/actors/core/hfunc.h>
 #include <library/cpp/actors/core/log.h>
-#include <library/cpp/json/writer/json.h> 
- 
-#include <util/generic/algorithm.h> 
-#include <util/generic/hash.h> 
-#include <util/generic/maybe.h> 
-#include <util/generic/ptr.h> 
-#include <util/generic/string.h> 
-#include <util/generic/variant.h> 
-#include <util/generic/vector.h> 
-#include <util/generic/xrange.h> 
-#include <util/string/builder.h> 
- 
-namespace NKikimr { 
-namespace NSchemeBoard { 
- 
-#define SBC_LOG_T(stream) SB_LOG_T(TX_PROXY_SCHEME_CACHE, stream) 
-#define SBC_LOG_D(stream) SB_LOG_D(TX_PROXY_SCHEME_CACHE, stream) 
-#define SBC_LOG_N(stream) SB_LOG_N(TX_PROXY_SCHEME_CACHE, stream) 
+#include <library/cpp/json/writer/json.h>
+
+#include <util/generic/algorithm.h>
+#include <util/generic/hash.h>
+#include <util/generic/maybe.h>
+#include <util/generic/ptr.h>
+#include <util/generic/string.h>
+#include <util/generic/variant.h>
+#include <util/generic/vector.h>
+#include <util/generic/xrange.h>
+#include <util/string/builder.h>
+
+namespace NKikimr {
+namespace NSchemeBoard {
+
+#define SBC_LOG_T(stream) SB_LOG_T(TX_PROXY_SCHEME_CACHE, stream)
+#define SBC_LOG_D(stream) SB_LOG_D(TX_PROXY_SCHEME_CACHE, stream)
+#define SBC_LOG_N(stream) SB_LOG_N(TX_PROXY_SCHEME_CACHE, stream)
 #define SBC_LOG_W(stream) SB_LOG_W(TX_PROXY_SCHEME_CACHE, stream)
- 
-using TEvNavigate = TEvTxProxySchemeCache::TEvNavigateKeySet; 
-using TEvNavigateResult = TEvTxProxySchemeCache::TEvNavigateKeySetResult; 
-using TNavigate = NSchemeCache::TSchemeCacheNavigate; 
-using TNavigateContext = NSchemeCache::TSchemeCacheNavigateContext; 
-using TNavigateContextPtr = TIntrusivePtr<TNavigateContext>; 
-
-using TEvResolve = TEvTxProxySchemeCache::TEvResolveKeySet; 
-using TEvResolveResult = TEvTxProxySchemeCache::TEvResolveKeySetResult; 
-using TResolve = NSchemeCache::TSchemeCacheRequest; 
-using TResolveContext = NSchemeCache::TSchemeCacheRequestContext; 
-using TResolveContextPtr = TIntrusivePtr<TResolveContext>; 
- 
+
+using TEvNavigate = TEvTxProxySchemeCache::TEvNavigateKeySet;
+using TEvNavigateResult = TEvTxProxySchemeCache::TEvNavigateKeySetResult;
+using TNavigate = NSchemeCache::TSchemeCacheNavigate;
+using TNavigateContext = NSchemeCache::TSchemeCacheNavigateContext;
+using TNavigateContextPtr = TIntrusivePtr<TNavigateContext>;
+
+using TEvResolve = TEvTxProxySchemeCache::TEvResolveKeySet;
+using TEvResolveResult = TEvTxProxySchemeCache::TEvResolveKeySetResult;
+using TResolve = NSchemeCache::TSchemeCacheRequest;
+using TResolveContext = NSchemeCache::TSchemeCacheRequestContext;
+using TResolveContextPtr = TIntrusivePtr<TResolveContext>;
+
 using TVariantContextPtr = std::variant<TNavigateContextPtr, TResolveContextPtr>;
- 
-namespace { 
- 
-    void SetError(TNavigateContext* context, TNavigate::TEntry& entry, TNavigate::EStatus status) { 
-        ++context->Request->ErrorCount; 
-        entry.Status = status; 
-    } 
- 
-    void SetError(TResolveContext* context, TResolve::TEntry& entry, TResolve::EStatus entryStatus, TKeyDesc::EStatus keyDescStatus) { 
-        entry.Status = entryStatus; 
-        entry.KeyDescription->Status = keyDescStatus; 
-        ++context->Request->ErrorCount; 
-    } 
- 
-    void SetRootUnknown(TNavigateContext* context, TNavigate::TEntry& entry) { 
-        SetError(context, entry, TNavigate::EStatus::RootUnknown); 
-    } 
- 
-    void SetRootUnknown(TResolveContext* context, TResolve::TEntry&) { 
-        ++context->Request->ErrorCount; 
-    } 
- 
-    void SetPathNotExist(TNavigateContext* context, TNavigate::TEntry& entry) { 
-        SetError(context, entry, TNavigate::EStatus::PathErrorUnknown); 
-    } 
- 
-    void SetPathNotExist(TResolveContext* context, TResolve::TEntry& entry) { 
-        SetError(context, entry, TResolve::EStatus::PathErrorNotExist, TKeyDesc::EStatus::NotExists); 
-    } 
- 
-    void SetLookupError(TNavigateContext* context, TNavigate::TEntry& entry) { 
-        SetError(context, entry, TNavigate::EStatus::LookupError); 
-    } 
- 
-    void SetLookupError(TResolveContext* context, TResolve::TEntry& entry) { 
-        SetError(context, entry, TResolve::EStatus::LookupError, TKeyDesc::EStatus::NotExists); 
-    } 
- 
-    template <typename TRequest, typename TEvRequest, typename TDerived> 
-    class TDbResolver: public TActorBootstrapped<TDerived> { 
-        void Handle() { 
-            TlsActivationContext->Send(new IEventHandle(Cache, Sender, new TEvRequest(Request.Release()))); 
-            this->PassAway(); 
-        } 
- 
-    public: 
-        static constexpr NKikimrServices::TActivity::EType ActorActivityType() { 
-            return NKikimrServices::TActivity::SCHEME_BOARD_DB_RESOLVER; 
-        } 
- 
+
+namespace {
+
+    void SetError(TNavigateContext* context, TNavigate::TEntry& entry, TNavigate::EStatus status) {
+        ++context->Request->ErrorCount;
+        entry.Status = status;
+    }
+
+    void SetError(TResolveContext* context, TResolve::TEntry& entry, TResolve::EStatus entryStatus, TKeyDesc::EStatus keyDescStatus) {
+        entry.Status = entryStatus;
+        entry.KeyDescription->Status = keyDescStatus;
+        ++context->Request->ErrorCount;
+    }
+
+    void SetRootUnknown(TNavigateContext* context, TNavigate::TEntry& entry) {
+        SetError(context, entry, TNavigate::EStatus::RootUnknown);
+    }
+
+    void SetRootUnknown(TResolveContext* context, TResolve::TEntry&) {
+        ++context->Request->ErrorCount;
+    }
+
+    void SetPathNotExist(TNavigateContext* context, TNavigate::TEntry& entry) {
+        SetError(context, entry, TNavigate::EStatus::PathErrorUnknown);
+    }
+
+    void SetPathNotExist(TResolveContext* context, TResolve::TEntry& entry) {
+        SetError(context, entry, TResolve::EStatus::PathErrorNotExist, TKeyDesc::EStatus::NotExists);
+    }
+
+    void SetLookupError(TNavigateContext* context, TNavigate::TEntry& entry) {
+        SetError(context, entry, TNavigate::EStatus::LookupError);
+    }
+
+    void SetLookupError(TResolveContext* context, TResolve::TEntry& entry) {
+        SetError(context, entry, TResolve::EStatus::LookupError, TKeyDesc::EStatus::NotExists);
+    }
+
+    template <typename TRequest, typename TEvRequest, typename TDerived>
+    class TDbResolver: public TActorBootstrapped<TDerived> {
+        void Handle() {
+            TlsActivationContext->Send(new IEventHandle(Cache, Sender, new TEvRequest(Request.Release())));
+            this->PassAway();
+        }
+
+    public:
+        static constexpr NKikimrServices::TActivity::EType ActorActivityType() {
+            return NKikimrServices::TActivity::SCHEME_BOARD_DB_RESOLVER;
+        }
+
         TDbResolver(const TActorId& cache, const TActorId& sender, THolder<TRequest> request, ui64 domainOwnerId)
-            : Cache(cache) 
-            , Sender(sender) 
-            , Request(std::move(request)) 
-            , DomainOwnerId(domainOwnerId) 
-        { 
-        } 
- 
-        void Bootstrap() { 
-            TNavigate::TEntry entry; 
-            entry.Path = SplitPath(Request->DatabaseName); 
-            entry.Operation = TNavigate::EOp::OpPath; 
-            entry.RedirectRequired = false; 
- 
-            auto request = MakeHolder<TNavigate>(); 
-            request->ResultSet.emplace_back(std::move(entry)); 
-            request->DomainOwnerId = DomainOwnerId; 
- 
-            this->Send(Cache, new TEvNavigate(request.Release())); 
-            this->Become(&TDerived::StateWork); 
-        } 
- 
-        STATEFN(StateWork) { 
-            switch (ev->GetTypeRewrite()) { 
-                sFunc(TEvTxProxySchemeCache::TEvNavigateKeySetResult, Handle); 
-            } 
-        } 
- 
-        using TBase = TDbResolver<TRequest, TEvRequest, TDerived>; 
- 
-    private: 
+            : Cache(cache)
+            , Sender(sender)
+            , Request(std::move(request))
+            , DomainOwnerId(domainOwnerId)
+        {
+        }
+
+        void Bootstrap() {
+            TNavigate::TEntry entry;
+            entry.Path = SplitPath(Request->DatabaseName);
+            entry.Operation = TNavigate::EOp::OpPath;
+            entry.RedirectRequired = false;
+
+            auto request = MakeHolder<TNavigate>();
+            request->ResultSet.emplace_back(std::move(entry));
+            request->DomainOwnerId = DomainOwnerId;
+
+            this->Send(Cache, new TEvNavigate(request.Release()));
+            this->Become(&TDerived::StateWork);
+        }
+
+        STATEFN(StateWork) {
+            switch (ev->GetTypeRewrite()) {
+                sFunc(TEvTxProxySchemeCache::TEvNavigateKeySetResult, Handle);
+            }
+        }
+
+        using TBase = TDbResolver<TRequest, TEvRequest, TDerived>;
+
+    private:
         const TActorId Cache;
         const TActorId Sender;
-        THolder<TRequest> Request; 
-        const ui64 DomainOwnerId; 
- 
-    }; // TDbResolver 
- 
-    class TDbResolverNavigate: public TDbResolver<TNavigate, TEvNavigate, TDbResolverNavigate> { 
-    public: 
-        using TBase::TBase; 
-    }; 
- 
-    class TDbResolverResolve: public TDbResolver<TResolve, TEvResolve, TDbResolverResolve> { 
-    public: 
-        using TBase::TBase; 
-    }; 
- 
+        THolder<TRequest> Request;
+        const ui64 DomainOwnerId;
+
+    }; // TDbResolver
+
+    class TDbResolverNavigate: public TDbResolver<TNavigate, TEvNavigate, TDbResolverNavigate> {
+    public:
+        using TBase::TBase;
+    };
+
+    class TDbResolverResolve: public TDbResolver<TResolve, TEvResolve, TDbResolverResolve> {
+    public:
+        using TBase::TBase;
+    };
+
     IActor* CreateDbResolver(const TActorId& cache, const TActorId& sender, THolder<TNavigate> request, ui64 domainOwnerId) {
-        return new TDbResolverNavigate(cache, sender, std::move(request), domainOwnerId); 
-    } 
- 
+        return new TDbResolverNavigate(cache, sender, std::move(request), domainOwnerId);
+    }
+
     IActor* CreateDbResolver(const TActorId& cache, const TActorId& sender, THolder<TResolve> request, ui64 domainOwnerId) {
-        return new TDbResolverResolve(cache, sender, std::move(request), domainOwnerId); 
-    } 
- 
-    template <typename TContextPtr, typename TEvResult, typename TDerived> 
-    class TAclChecker: public TActorBootstrapped<TDerived> { 
-        static TIntrusivePtr<TSecurityObject> GetSecurityObject(const TNavigate::TEntry& entry) { 
-            return entry.SecurityObject; 
-        } 
- 
-        static TIntrusivePtr<TSecurityObject> GetSecurityObject(const TResolve::TEntry& entry) { 
-            return entry.KeyDescription->SecurityObject; 
-        } 
- 
-        static ui32 GetAccess(const TNavigate::TEntry&) { 
-            return NACLib::EAccessRights::DescribeSchema; 
-        } 
- 
-        static ui32 GetAccess(const TResolve::TEntry& entry) { 
-            return entry.Access; 
-        } 
- 
-        static void SetErrorAndClear(TNavigateContext* context, TNavigate::TEntry& entry) { 
-            SetError(context, entry, TNavigate::EStatus::PathErrorUnknown); 
- 
-            switch (entry.RequestType) { 
-            case TNavigate::TEntry::ERequestType::ByPath: 
-                entry.TableId = TTableId(); 
-                break; 
-            case TNavigate::TEntry::ERequestType::ByTableId: 
-                entry.Path.clear(); 
-                break; 
-            } 
- 
+        return new TDbResolverResolve(cache, sender, std::move(request), domainOwnerId);
+    }
+
+    template <typename TContextPtr, typename TEvResult, typename TDerived>
+    class TAclChecker: public TActorBootstrapped<TDerived> {
+        static TIntrusivePtr<TSecurityObject> GetSecurityObject(const TNavigate::TEntry& entry) {
+            return entry.SecurityObject;
+        }
+
+        static TIntrusivePtr<TSecurityObject> GetSecurityObject(const TResolve::TEntry& entry) {
+            return entry.KeyDescription->SecurityObject;
+        }
+
+        static ui32 GetAccess(const TNavigate::TEntry&) {
+            return NACLib::EAccessRights::DescribeSchema;
+        }
+
+        static ui32 GetAccess(const TResolve::TEntry& entry) {
+            return entry.Access;
+        }
+
+        static void SetErrorAndClear(TNavigateContext* context, TNavigate::TEntry& entry) {
+            SetError(context, entry, TNavigate::EStatus::PathErrorUnknown);
+
+            switch (entry.RequestType) {
+            case TNavigate::TEntry::ERequestType::ByPath:
+                entry.TableId = TTableId();
+                break;
+            case TNavigate::TEntry::ERequestType::ByTableId:
+                entry.Path.clear();
+                break;
+            }
+
             entry.Self.Drop();
-            entry.SecurityObject.Drop(); 
-            entry.DomainInfo.Drop(); 
-            entry.Kind = TNavigate::KindUnknown; 
-            entry.Attributes.clear(); 
-            entry.ListNodeEntry.Drop(); 
-            entry.DomainDescription.Drop(); 
-            entry.Columns.clear(); 
+            entry.SecurityObject.Drop();
+            entry.DomainInfo.Drop();
+            entry.Kind = TNavigate::KindUnknown;
+            entry.Attributes.clear();
+            entry.ListNodeEntry.Drop();
+            entry.DomainDescription.Drop();
+            entry.Columns.clear();
             entry.NotNullColumns.clear();
-            entry.Indexes.clear(); 
-            entry.CdcStreams.clear(); 
-            entry.RTMRVolumeInfo.Drop(); 
-            entry.KesusInfo.Drop(); 
-            entry.SolomonVolumeInfo.Drop(); 
-            entry.PQGroupInfo.Drop(); 
+            entry.Indexes.clear();
+            entry.CdcStreams.clear();
+            entry.RTMRVolumeInfo.Drop();
+            entry.KesusInfo.Drop();
+            entry.SolomonVolumeInfo.Drop();
+            entry.PQGroupInfo.Drop();
             entry.OlapStoreInfo.Drop();
             entry.OlapTableInfo.Drop();
-            entry.CdcStreamInfo.Drop(); 
+            entry.CdcStreamInfo.Drop();
             entry.SequenceInfo.Drop();
-            entry.ReplicationInfo.Drop(); 
-        } 
- 
-        static void SetErrorAndClear(TResolveContext* context, TResolve::TEntry& entry) { 
-            SetError(context, entry, TResolve::EStatus::PathErrorNotExist, TKeyDesc::EStatus::NotExists); 
- 
-            entry.Kind = TResolve::KindUnknown; 
-            entry.DomainInfo.Drop(); 
-            TKeyDesc& keyDesc = *entry.KeyDescription; 
-            keyDesc.ColumnInfos.clear(); 
-            keyDesc.Partitions.clear(); 
-            keyDesc.SecurityObject.Drop(); 
-        } 
- 
-        void SendResult() { 
-            SBC_LOG_D("Send result" 
-                << ": self# " << this->SelfId() 
-                << ", recipient# " << Context->Sender 
-                << ", result# " << Context->Request->ToString(*AppData()->TypeRegistry)); 
- 
-            this->Send(Context->Sender, new TEvResult(Context->Request.Release())); 
-            this->PassAway(); 
-        } 
- 
-    public: 
-        explicit TAclChecker(TContextPtr context) 
-            : Context(context) 
-        { 
-            Y_VERIFY(!Context->WaitCounter); 
-        } 
- 
-        void Bootstrap(const TActorContext&) { 
-            if (Context->Request->UserToken == nullptr) { 
-                SendResult(); 
-                return; 
-            } 
- 
-            for (auto& entry : Context->Request->ResultSet) { 
-                auto securityObject = GetSecurityObject(entry); 
-                if (securityObject == nullptr) { 
-                    continue; 
-                } 
- 
-                const ui32 access = GetAccess(entry); 
-                if (!securityObject->CheckAccess(access, *Context->Request->UserToken)) { 
-                    SBC_LOG_W("Access denied" 
-                        << ": self# " << this->SelfId() 
-                        << ", for# " << Context->Request->UserToken->GetUserSID() 
-                        << ", access# " << NACLib::AccessRightsToString(access)); 
- 
-                    SetErrorAndClear(Context.Get(), entry); 
-                } 
-            } 
- 
-            SendResult(); 
-        } 
- 
-        using TBase = TAclChecker<TContextPtr, TEvResult, TDerived>; 
- 
-    private: 
-        TContextPtr Context; 
- 
-    }; // TAclChecker 
- 
-    class TAclCheckerNavigate: public TAclChecker<TNavigateContextPtr, TEvNavigateResult, TAclCheckerNavigate> { 
-    public: 
-        using TBase::TBase; 
-    }; 
- 
-    class TAclCheckerResolve: public TAclChecker<TResolveContextPtr, TEvResolveResult, TAclCheckerResolve> { 
-    public: 
-        using TBase::TBase; 
-    }; 
- 
-    IActor* CreateAclChecker(TNavigateContextPtr context) { 
-        return new TAclCheckerNavigate(context); 
-    } 
- 
-    IActor* CreateAclChecker(TResolveContextPtr context) { 
-        return new TAclCheckerResolve(context); 
-    } 
- 
-    class TWatchCache: public TMonitorableActor<TWatchCache> { 
+            entry.ReplicationInfo.Drop();
+        }
+
+        static void SetErrorAndClear(TResolveContext* context, TResolve::TEntry& entry) {
+            SetError(context, entry, TResolve::EStatus::PathErrorNotExist, TKeyDesc::EStatus::NotExists);
+
+            entry.Kind = TResolve::KindUnknown;
+            entry.DomainInfo.Drop();
+            TKeyDesc& keyDesc = *entry.KeyDescription;
+            keyDesc.ColumnInfos.clear();
+            keyDesc.Partitions.clear();
+            keyDesc.SecurityObject.Drop();
+        }
+
+        void SendResult() {
+            SBC_LOG_D("Send result"
+                << ": self# " << this->SelfId()
+                << ", recipient# " << Context->Sender
+                << ", result# " << Context->Request->ToString(*AppData()->TypeRegistry));
+
+            this->Send(Context->Sender, new TEvResult(Context->Request.Release()));
+            this->PassAway();
+        }
+
+    public:
+        explicit TAclChecker(TContextPtr context)
+            : Context(context)
+        {
+            Y_VERIFY(!Context->WaitCounter);
+        }
+
+        void Bootstrap(const TActorContext&) {
+            if (Context->Request->UserToken == nullptr) {
+                SendResult();
+                return;
+            }
+
+            for (auto& entry : Context->Request->ResultSet) {
+                auto securityObject = GetSecurityObject(entry);
+                if (securityObject == nullptr) {
+                    continue;
+                }
+
+                const ui32 access = GetAccess(entry);
+                if (!securityObject->CheckAccess(access, *Context->Request->UserToken)) {
+                    SBC_LOG_W("Access denied"
+                        << ": self# " << this->SelfId()
+                        << ", for# " << Context->Request->UserToken->GetUserSID()
+                        << ", access# " << NACLib::AccessRightsToString(access));
+
+                    SetErrorAndClear(Context.Get(), entry);
+                }
+            }
+
+            SendResult();
+        }
+
+        using TBase = TAclChecker<TContextPtr, TEvResult, TDerived>;
+
+    private:
+        TContextPtr Context;
+
+    }; // TAclChecker
+
+    class TAclCheckerNavigate: public TAclChecker<TNavigateContextPtr, TEvNavigateResult, TAclCheckerNavigate> {
+    public:
+        using TBase::TBase;
+    };
+
+    class TAclCheckerResolve: public TAclChecker<TResolveContextPtr, TEvResolveResult, TAclCheckerResolve> {
+    public:
+        using TBase::TBase;
+    };
+
+    IActor* CreateAclChecker(TNavigateContextPtr context) {
+        return new TAclCheckerNavigate(context);
+    }
+
+    IActor* CreateAclChecker(TResolveContextPtr context) {
+        return new TAclCheckerResolve(context);
+    }
+
+    class TWatchCache: public TMonitorableActor<TWatchCache> {
         using TBase = TMonitorableActor<TWatchCache>;
 
     private:
@@ -355,14 +355,14 @@ namespace {
         }
 
     private:
-        STATEFN(StateWork) { 
+        STATEFN(StateWork) {
             switch (ev->GetTypeRewrite()) {
                 hFunc(TEvTxProxySchemeCache::TEvWatchPathId, Handle);
                 hFunc(TEvTxProxySchemeCache::TEvWatchRemove, Handle);
                 hFunc(TSchemeBoardEvents::TEvNotifyUpdate, Handle);
                 hFunc(TSchemeBoardEvents::TEvNotifyDelete, Handle);
- 
-                sFunc(TEvents::TEvPoison, PassAway); 
+
+                sFunc(TEvents::TEvPoison, PassAway);
             }
         }
 
@@ -405,7 +405,7 @@ namespace {
             }
 
             if (msg->DescribeSchemeResult.HasStatus()) {
-                entry->Path = msg->DescribeSchemeResult.GetPath(); 
+                entry->Path = msg->DescribeSchemeResult.GetPath();
                 entry->Result = NSchemeCache::TDescribeResult::Create(std::move(msg->DescribeSchemeResult));
                 entry->Deleted = false;
                 entry->Unavailable = false;
@@ -511,256 +511,256 @@ namespace {
         THashMap<TActorId, TEntry*> EntriesBySubscriber;
         TMultiMap<TWatcher, TEntry*, TWatcherCompare> EntriesByWatcher;
 
-    }; // TWatchCache 
- 
-} // anonymous 
- 
-class TSchemeCache: public TMonitorableActor<TSchemeCache> { 
-    class TCounters { 
-        using TCounterPtr = NMonitoring::TDynamicCounters::TCounterPtr; 
-        using THistogramPtr = NMonitoring::THistogramPtr; 
- 
-        TCounterPtr InFlight; 
-        TCounterPtr Requests; 
-        TCounterPtr Hits; 
-        TCounterPtr Misses; 
-        TCounterPtr Syncs; 
-        THistogramPtr Latency; 
- 
-        TCounterPtr PerEntryHits; 
-        TCounterPtr PerEntryMisses; 
-        TCounterPtr PerEntrySyncs; 
-
-    public: 
-        explicit TCounters(NMonitoring::TDynamicCounterPtr counters) 
-            : InFlight(counters->GetCounter("InFlight", false)) 
-            , Requests(counters->GetCounter("Requests", true)) 
-            , Hits(counters->GetCounter("Hits", true)) 
-            , Misses(counters->GetCounter("Misses", true)) 
-            , Syncs(counters->GetCounter("Syncs", true)) 
-            , Latency(counters->GetHistogram("LatencyMs", NMonitoring::ExponentialHistogram(10, 4, 1))) 
-            , PerEntryHits(counters->GetCounter("PerEntry/Hits", true)) 
-            , PerEntryMisses(counters->GetCounter("PerEntry/Misses", true)) 
-            , PerEntrySyncs(counters->GetCounter("PerEntry/Syncs", true)) 
-        { 
-        } 
- 
-        void StartRequest(ui64 entryCount, ui64 waitCount, ui64 syncCount) { 
-            *InFlight += 1; 
-            *Requests += 1; 
- 
-            if (!waitCount || waitCount == syncCount) { 
-                *Hits += 1; 
-            } else { 
-                *Misses += 1; 
-            } 
-            if (syncCount) { 
-                *Syncs += 1; 
-            } 
- 
-            *PerEntryHits += (entryCount - (waitCount - syncCount)); 
-            *PerEntryMisses += (waitCount - syncCount); 
-            *PerEntrySyncs += syncCount; 
-        } 
- 
-        void FinishRequest(const TDuration& latency) { 
-            *InFlight -= 1; 
-            Latency->Collect(latency.MilliSeconds()); 
-        } 
-    }; 
- 
-    struct TSubscriber { 
-        enum class EType: ui8 { 
-            // from low to high priority 
-            Empty, 
-            ByPathId, 
-            ByPath, 
-        }; 
- 
+    }; // TWatchCache
+
+} // anonymous
+
+class TSchemeCache: public TMonitorableActor<TSchemeCache> {
+    class TCounters {
+        using TCounterPtr = NMonitoring::TDynamicCounters::TCounterPtr;
+        using THistogramPtr = NMonitoring::THistogramPtr;
+
+        TCounterPtr InFlight;
+        TCounterPtr Requests;
+        TCounterPtr Hits;
+        TCounterPtr Misses;
+        TCounterPtr Syncs;
+        THistogramPtr Latency;
+
+        TCounterPtr PerEntryHits;
+        TCounterPtr PerEntryMisses;
+        TCounterPtr PerEntrySyncs;
+
+    public:
+        explicit TCounters(NMonitoring::TDynamicCounterPtr counters)
+            : InFlight(counters->GetCounter("InFlight", false))
+            , Requests(counters->GetCounter("Requests", true))
+            , Hits(counters->GetCounter("Hits", true))
+            , Misses(counters->GetCounter("Misses", true))
+            , Syncs(counters->GetCounter("Syncs", true))
+            , Latency(counters->GetHistogram("LatencyMs", NMonitoring::ExponentialHistogram(10, 4, 1)))
+            , PerEntryHits(counters->GetCounter("PerEntry/Hits", true))
+            , PerEntryMisses(counters->GetCounter("PerEntry/Misses", true))
+            , PerEntrySyncs(counters->GetCounter("PerEntry/Syncs", true))
+        {
+        }
+
+        void StartRequest(ui64 entryCount, ui64 waitCount, ui64 syncCount) {
+            *InFlight += 1;
+            *Requests += 1;
+
+            if (!waitCount || waitCount == syncCount) {
+                *Hits += 1;
+            } else {
+                *Misses += 1;
+            }
+            if (syncCount) {
+                *Syncs += 1;
+            }
+
+            *PerEntryHits += (entryCount - (waitCount - syncCount));
+            *PerEntryMisses += (waitCount - syncCount);
+            *PerEntrySyncs += syncCount;
+        }
+
+        void FinishRequest(const TDuration& latency) {
+            *InFlight -= 1;
+            Latency->Collect(latency.MilliSeconds());
+        }
+    };
+
+    struct TSubscriber {
+        enum class EType: ui8 {
+            // from low to high priority
+            Empty,
+            ByPathId,
+            ByPath,
+        };
+
         TActorId Subscriber;
-        ui64 DomainOwnerId; 
-        EType Type; 
-        mutable ui64 SyncCookie; 
- 
-        TSubscriber() 
-            : DomainOwnerId(0) 
-            , Type(EType::Empty) 
-            , SyncCookie(0) 
-        { 
-        } 
- 
+        ui64 DomainOwnerId;
+        EType Type;
+        mutable ui64 SyncCookie;
+
+        TSubscriber()
+            : DomainOwnerId(0)
+            , Type(EType::Empty)
+            , SyncCookie(0)
+        {
+        }
+
         explicit TSubscriber(const TActorId& subscriber, const ui64 domainOwnerId, const TPathId&)
-            : Subscriber(subscriber) 
-            , DomainOwnerId(domainOwnerId) 
-            , Type(EType::ByPathId) 
-            , SyncCookie(0) 
-        { 
-        } 
- 
+            : Subscriber(subscriber)
+            , DomainOwnerId(domainOwnerId)
+            , Type(EType::ByPathId)
+            , SyncCookie(0)
+        {
+        }
+
         explicit TSubscriber(const TActorId& subscriber, const ui64 domainOwnerId, const TString&)
-            : Subscriber(subscriber) 
-            , DomainOwnerId(domainOwnerId) 
-            , Type(EType::ByPath) 
-            , SyncCookie(0) 
-        { 
-        } 
- 
-        TString ToString() const { 
-            return TStringBuilder() << "{" 
-                << " Subscriber: " << Subscriber 
-                << " DomainOwnerId: " << DomainOwnerId 
-                << " Type: " << static_cast<ui32>(Type) 
-                << " SyncCookie: " << SyncCookie 
-            << " }"; 
-        } 
- 
-        bool operator<(const TSubscriber& x) const { 
-            return Type < x.Type; 
-        } 
- 
-        explicit operator bool() const { 
-            return bool(Subscriber); 
-        } 
-    }; 
- 
-    struct TResponseProps { 
-        ui64 Cookie; 
-        bool IsSync; 
-        bool Partial; 
- 
-        TResponseProps() 
-            : Cookie(0) 
-            , IsSync(false) 
-            , Partial(false) 
-        { 
-        } 
- 
-        explicit TResponseProps(ui64 cookie, bool isSync, bool partial) 
-            : Cookie(cookie) 
-            , IsSync(isSync) 
-            , Partial(partial) 
-        { 
-        } 
- 
-        static TResponseProps FromEvent(TSchemeBoardEvents::TEvNotifyUpdate::TPtr& ev) { 
-            return TResponseProps(ev->Cookie, false, false); 
-        } 
- 
-        static TResponseProps FromEvent(TSchemeBoardEvents::TEvNotifyDelete::TPtr& ev) { 
-            return TResponseProps(ev->Cookie, false, false); 
-        } 
- 
-        static TResponseProps FromEvent(TSchemeBoardEvents::TEvSyncResponse::TPtr& ev) { 
-            return TResponseProps(ev->Cookie, true, ev->Get()->Partial); 
-        } 
- 
-        TString ToString() const { 
-            return TStringBuilder() << "{" 
-                << " Cookie: " << Cookie 
-                << " IsSync: " << (IsSync ? "true" : "false") 
-                << " Partial: " << Partial 
-            << " }"; 
-        } 
-    }; 
- 
-    class TCacheItem { 
-        struct TRequest { 
-            size_t EntryIndex; 
-            ui64 Cookie; 
-            bool IsSync; 
-        }; 
- 
-        void Clear() { 
-            Status.Clear(); 
-            Kind = TNavigate::KindUnknown; 
-            TableKind = TResolve::KindUnknown; 
-            Created = false; 
-            CreateStep = 0; 
+            : Subscriber(subscriber)
+            , DomainOwnerId(domainOwnerId)
+            , Type(EType::ByPath)
+            , SyncCookie(0)
+        {
+        }
+
+        TString ToString() const {
+            return TStringBuilder() << "{"
+                << " Subscriber: " << Subscriber
+                << " DomainOwnerId: " << DomainOwnerId
+                << " Type: " << static_cast<ui32>(Type)
+                << " SyncCookie: " << SyncCookie
+            << " }";
+        }
+
+        bool operator<(const TSubscriber& x) const {
+            return Type < x.Type;
+        }
+
+        explicit operator bool() const {
+            return bool(Subscriber);
+        }
+    };
+
+    struct TResponseProps {
+        ui64 Cookie;
+        bool IsSync;
+        bool Partial;
+
+        TResponseProps()
+            : Cookie(0)
+            , IsSync(false)
+            , Partial(false)
+        {
+        }
+
+        explicit TResponseProps(ui64 cookie, bool isSync, bool partial)
+            : Cookie(cookie)
+            , IsSync(isSync)
+            , Partial(partial)
+        {
+        }
+
+        static TResponseProps FromEvent(TSchemeBoardEvents::TEvNotifyUpdate::TPtr& ev) {
+            return TResponseProps(ev->Cookie, false, false);
+        }
+
+        static TResponseProps FromEvent(TSchemeBoardEvents::TEvNotifyDelete::TPtr& ev) {
+            return TResponseProps(ev->Cookie, false, false);
+        }
+
+        static TResponseProps FromEvent(TSchemeBoardEvents::TEvSyncResponse::TPtr& ev) {
+            return TResponseProps(ev->Cookie, true, ev->Get()->Partial);
+        }
+
+        TString ToString() const {
+            return TStringBuilder() << "{"
+                << " Cookie: " << Cookie
+                << " IsSync: " << (IsSync ? "true" : "false")
+                << " Partial: " << Partial
+            << " }";
+        }
+    };
+
+    class TCacheItem {
+        struct TRequest {
+            size_t EntryIndex;
+            ui64 Cookie;
+            bool IsSync;
+        };
+
+        void Clear() {
+            Status.Clear();
+            Kind = TNavigate::KindUnknown;
+            TableKind = TResolve::KindUnknown;
+            Created = false;
+            CreateStep = 0;
 
             // pathid is never changed (yet) so must be kept
             AbandonedSchemeShardsIds.clear();
 
-            SecurityObject.Drop(); 
+            SecurityObject.Drop();
             DomainInfo.Drop();
-            Attributes.clear(); 
- 
-            ListNodeEntry.Drop(); 
- 
-            IsPrivatePath = false; 
+            Attributes.clear();
+
+            ListNodeEntry.Drop();
+
+            IsPrivatePath = false;
 
             // virtual must be kept
 
-            Columns.clear(); 
-            KeyColumnTypes.clear(); 
+            Columns.clear();
+            KeyColumnTypes.clear();
             NotNullColumns.clear();
-            Indexes.clear(); 
-            CdcStreams.clear(); 
-            Partitioning.clear(); 
- 
+            Indexes.clear();
+            CdcStreams.clear();
+            Partitioning.clear();
+
             Self.Drop();
 
             DomainDescription.Drop();
-            RtmrVolumeInfo.Drop(); 
-            KesusInfo.Drop(); 
-            SolomonVolumeInfo.Drop(); 
-            PQGroupInfo.Drop(); 
+            RtmrVolumeInfo.Drop();
+            KesusInfo.Drop();
+            SolomonVolumeInfo.Drop();
+            PQGroupInfo.Drop();
             OlapStoreInfo.Drop();
             OlapTableInfo.Drop();
-            CdcStreamInfo.Drop(); 
+            CdcStreamInfo.Drop();
             SequenceInfo.Drop();
-            ReplicationInfo.Drop(); 
-        } 
- 
+            ReplicationInfo.Drop();
+        }
+
         void FillTableInfo(const NKikimrSchemeOp::TPathDescription& pathDesc) {
-            const auto& tableDesc = pathDesc.GetTable(); 
- 
-            for (const auto& columnDesc : tableDesc.GetColumns()) { 
-                auto& column = Columns[columnDesc.GetId()]; 
-                column.Id = columnDesc.GetId(); 
-                column.Name = columnDesc.GetName(); 
-                column.PType = columnDesc.GetTypeId(); 
+            const auto& tableDesc = pathDesc.GetTable();
+
+            for (const auto& columnDesc : tableDesc.GetColumns()) {
+                auto& column = Columns[columnDesc.GetId()];
+                column.Id = columnDesc.GetId();
+                column.Name = columnDesc.GetName();
+                column.PType = columnDesc.GetTypeId();
 
                 if (columnDesc.GetNotNull()) {
                     NotNullColumns.insert(columnDesc.GetName());
                 }
-            } 
- 
-            KeyColumnTypes.resize(tableDesc.KeyColumnIdsSize()); 
-            for (ui32 i : xrange(tableDesc.KeyColumnIdsSize())) { 
-                auto* column = Columns.FindPtr(tableDesc.GetKeyColumnIds(i)); 
-                Y_VERIFY(column != nullptr); 
-                column->KeyOrder = i; 
-                KeyColumnTypes[i] = column->PType; 
-            } 
- 
-            Indexes.reserve(tableDesc.TableIndexesSize()); 
-            for (const auto& index : tableDesc.GetTableIndexes()) { 
-                Indexes.push_back(index); 
-            } 
- 
-            CdcStreams.reserve(tableDesc.CdcStreamsSize()); 
-            for (const auto& index : tableDesc.GetCdcStreams()) { 
-                CdcStreams.push_back(index); 
-            } 
- 
-            if (pathDesc.TablePartitionsSize()) { 
-                Partitioning.resize(pathDesc.TablePartitionsSize()); 
-                for (ui32 i : xrange(pathDesc.TablePartitionsSize())) { 
-                    const auto& src = pathDesc.GetTablePartitions(i); 
-                    auto& partition = Partitioning[i]; 
-                    partition.Range = TKeyDesc::TPartitionRangeInfo(); 
-                    partition.Range->EndKeyPrefix.Parse(src.GetEndOfRangeKeyPrefix()); 
-                    partition.Range->IsInclusive = src.HasIsInclusive() && src.GetIsInclusive(); 
-                    partition.Range->IsPoint = src.HasIsPoint() && src.GetIsPoint(); 
-                    partition.ShardId = src.GetDatashardId(); 
-                } 
-            } 
- 
-            if (pathDesc.HasDomainDescription()) { 
+            }
+
+            KeyColumnTypes.resize(tableDesc.KeyColumnIdsSize());
+            for (ui32 i : xrange(tableDesc.KeyColumnIdsSize())) {
+                auto* column = Columns.FindPtr(tableDesc.GetKeyColumnIds(i));
+                Y_VERIFY(column != nullptr);
+                column->KeyOrder = i;
+                KeyColumnTypes[i] = column->PType;
+            }
+
+            Indexes.reserve(tableDesc.TableIndexesSize());
+            for (const auto& index : tableDesc.GetTableIndexes()) {
+                Indexes.push_back(index);
+            }
+
+            CdcStreams.reserve(tableDesc.CdcStreamsSize());
+            for (const auto& index : tableDesc.GetCdcStreams()) {
+                CdcStreams.push_back(index);
+            }
+
+            if (pathDesc.TablePartitionsSize()) {
+                Partitioning.resize(pathDesc.TablePartitionsSize());
+                for (ui32 i : xrange(pathDesc.TablePartitionsSize())) {
+                    const auto& src = pathDesc.GetTablePartitions(i);
+                    auto& partition = Partitioning[i];
+                    partition.Range = TKeyDesc::TPartitionRangeInfo();
+                    partition.Range->EndKeyPrefix.Parse(src.GetEndOfRangeKeyPrefix());
+                    partition.Range->IsInclusive = src.HasIsInclusive() && src.GetIsInclusive();
+                    partition.Range->IsPoint = src.HasIsPoint() && src.GetIsPoint();
+                    partition.ShardId = src.GetDatashardId();
+                }
+            }
+
+            if (pathDesc.HasDomainDescription()) {
                 DomainInfo = new NSchemeCache::TDomainInfo(pathDesc.GetDomainDescription());
-            } 
-        } 
- 
+            }
+        }
+
         void FillTableInfoFromOlapStore(const NKikimrSchemeOp::TPathDescription& pathDesc) {
             if (pathDesc.HasDomainDescription()) {
                 DomainInfo = new NSchemeCache::TDomainInfo(pathDesc.GetDomainDescription());
@@ -796,551 +796,551 @@ class TSchemeCache: public TMonitorableActor<TSchemeCache> {
         }
 
         static TResolve::EKind PathSubTypeToTableKind(NKikimrSchemeOp::EPathSubType subType) {
-            switch (subType) { 
+            switch (subType) {
             case NKikimrSchemeOp::EPathSubTypeSyncIndexImplTable:
-                return TResolve::KindSyncIndexTable; 
+                return TResolve::KindSyncIndexTable;
             case NKikimrSchemeOp::EPathSubTypeAsyncIndexImplTable:
-                return TResolve::KindAsyncIndexTable; 
-            default: 
-                return TResolve::KindRegularTable; 
-            } 
-        } 
- 
+                return TResolve::KindAsyncIndexTable;
+            default:
+                return TResolve::KindRegularTable;
+            }
+        }
+
         static bool CalcPathIsPrivate(NKikimrSchemeOp::EPathType type, NKikimrSchemeOp::EPathSubType subType) {
-            switch (type) { 
+            switch (type) {
             case NKikimrSchemeOp::EPathTypeTable:
-                switch (subType) { 
+                switch (subType) {
                 case NKikimrSchemeOp::EPathSubTypeSyncIndexImplTable:
                 case NKikimrSchemeOp::EPathSubTypeAsyncIndexImplTable:
-                    return true; 
-                default: 
-                    return false; 
-                } 
-            case NKikimrSchemeOp::EPathTypePersQueueGroup: 
-                switch (subType) { 
-                case NKikimrSchemeOp::EPathSubTypeStreamImpl: 
-                    return true; 
-                default: 
-                    return false; 
-                } 
+                    return true;
+                default:
+                    return false;
+                }
+            case NKikimrSchemeOp::EPathTypePersQueueGroup:
+                switch (subType) {
+                case NKikimrSchemeOp::EPathSubTypeStreamImpl:
+                    return true;
+                default:
+                    return false;
+                }
             case NKikimrSchemeOp::EPathTypeTableIndex:
-                return true; 
-            case NKikimrSchemeOp::EPathTypeCdcStream: 
-                return true; 
-            default: 
-                return false; 
-            } 
-        } 
- 
-        static bool IsLikeDirectory(TNavigate::EKind kind) { 
-            switch (kind) { 
-            case TNavigate::KindSubdomain: 
-            case TNavigate::KindPath: 
-            case TNavigate::KindIndex: 
-            case TNavigate::KindCdcStream: 
-                return true; 
-            default: 
-                return false; 
-            } 
-        } 
- 
-        template <typename TPtr, typename TDesc> 
-        static void FillInfo(TNavigate::EKind kind, TPtr& ptr, TDesc&& desc) { 
-            ptr = new typename TPtr::TValueType(); 
-            ptr->Kind = kind; 
-            ptr->Description = std::move(desc); 
-        } 
- 
-        // copy-paste from core/tx/scheme_cache/scheme_cache_impl.cpp 
-        void FillRangePartitioning( 
-            const TTableRange& range, 
-            TVector<TKeyDesc::TPartitionInfo>& partitions 
-        ) const { 
-            Y_VERIFY(!Partitioning.empty()); 
- 
-            partitions.clear(); 
- 
-            // Temporary fix: for an empty range we need to return some datashard 
-            // so that it can handle readset logic (send empty result to other tx participants etc.) 
-            if (range.IsEmptyRange(KeyColumnTypes)) { 
-                partitions.push_back(*Partitioning.begin()); 
-                return; 
-            } 
- 
-            TVector<TKeyDesc::TPartitionInfo>::const_iterator low = LowerBound( 
-                Partitioning.begin(), Partitioning.end(), true, 
-                [&](const TKeyDesc::TPartitionInfo& left, bool) { 
-                    const int compares = CompareBorders<true, false>( 
-                        left.Range->EndKeyPrefix.GetCells(), range.From, 
-                        left.Range->IsInclusive || left.Range->IsPoint, 
-                        range.InclusiveFrom || range.Point, KeyColumnTypes 
-                    ); 
- 
-                    return (compares < 0); 
-                } 
-            ); 
- 
-            Y_VERIFY(low != Partitioning.end(), "last key must be (inf)"); 
- 
-            do { 
-                partitions.push_back(*low); 
- 
-                if (range.Point) { 
-                    return; 
-                } 
- 
-                const int prevComp = CompareBorders<true, true>( 
-                    low->Range->EndKeyPrefix.GetCells(), range.To, 
-                    low->Range->IsPoint || low->Range->IsInclusive, 
-                    range.InclusiveTo, KeyColumnTypes 
-                ); 
- 
-                if (prevComp >= 0) { 
-                    return; 
-                } 
- 
-            } while (++low != Partitioning.end()); 
-        } 
- 
-        bool IsSysTable() const { 
+                return true;
+            case NKikimrSchemeOp::EPathTypeCdcStream:
+                return true;
+            default:
+                return false;
+            }
+        }
+
+        static bool IsLikeDirectory(TNavigate::EKind kind) {
+            switch (kind) {
+            case TNavigate::KindSubdomain:
+            case TNavigate::KindPath:
+            case TNavigate::KindIndex:
+            case TNavigate::KindCdcStream:
+                return true;
+            default:
+                return false;
+            }
+        }
+
+        template <typename TPtr, typename TDesc>
+        static void FillInfo(TNavigate::EKind kind, TPtr& ptr, TDesc&& desc) {
+            ptr = new typename TPtr::TValueType();
+            ptr->Kind = kind;
+            ptr->Description = std::move(desc);
+        }
+
+        // copy-paste from core/tx/scheme_cache/scheme_cache_impl.cpp
+        void FillRangePartitioning(
+            const TTableRange& range,
+            TVector<TKeyDesc::TPartitionInfo>& partitions
+        ) const {
+            Y_VERIFY(!Partitioning.empty());
+
+            partitions.clear();
+
+            // Temporary fix: for an empty range we need to return some datashard
+            // so that it can handle readset logic (send empty result to other tx participants etc.)
+            if (range.IsEmptyRange(KeyColumnTypes)) {
+                partitions.push_back(*Partitioning.begin());
+                return;
+            }
+
+            TVector<TKeyDesc::TPartitionInfo>::const_iterator low = LowerBound(
+                Partitioning.begin(), Partitioning.end(), true,
+                [&](const TKeyDesc::TPartitionInfo& left, bool) {
+                    const int compares = CompareBorders<true, false>(
+                        left.Range->EndKeyPrefix.GetCells(), range.From,
+                        left.Range->IsInclusive || left.Range->IsPoint,
+                        range.InclusiveFrom || range.Point, KeyColumnTypes
+                    );
+
+                    return (compares < 0);
+                }
+            );
+
+            Y_VERIFY(low != Partitioning.end(), "last key must be (inf)");
+
+            do {
+                partitions.push_back(*low);
+
+                if (range.Point) {
+                    return;
+                }
+
+                const int prevComp = CompareBorders<true, true>(
+                    low->Range->EndKeyPrefix.GetCells(), range.To,
+                    low->Range->IsPoint || low->Range->IsInclusive,
+                    range.InclusiveTo, KeyColumnTypes
+                );
+
+                if (prevComp >= 0) {
+                    return;
+                }
+
+            } while (++low != Partitioning.end());
+        }
+
+        bool IsSysTable() const {
             return Kind == TNavigate::KindTable && PathId.OwnerId == TSysTables::SysSchemeShard;
-        } 
- 
+        }
+
         void SetPathId(const TPathId pathId) {
             if (PathId) {
                 Y_VERIFY(PathId == pathId);
-            } 
- 
+            }
+
             PathId = pathId;
-        } 
- 
-        void SendSyncRequest() const { 
-            Y_VERIFY(Subscriber, "it hangs if no subscriber"); 
-            Owner->Send(Subscriber.Subscriber, new TSchemeBoardEvents::TEvSyncRequest(), 0, ++Subscriber.SyncCookie); 
-        } 
- 
-        void ResendSyncRequests(THashMap<TVariantContextPtr, TVector<TRequest>>& inFlight) const { 
-            for (auto& [_, requests] : inFlight) { 
-                for (auto& request : requests) { 
-                    if (!request.IsSync) { 
-                        continue; 
-                    } 
- 
-                    SendSyncRequest(); 
-                    request.Cookie = Subscriber.SyncCookie; 
-                } 
-            } 
-        } 
- 
-        template <typename TContextPtr> 
-        void ProcessInFlightNoCheck(TContextPtr context, const TVector<TRequest>& requests) const { 
-            // trigger LookupError 
-            TResponseProps props(Max<ui64>(), true, true); 
- 
-            for (const auto& request : requests) { 
-                auto& entry = context->Request->ResultSet[request.EntryIndex]; 
-                FillEntry(context.Get(), entry, props); 
- 
-                Y_VERIFY(context->WaitCounter > 0); 
-                --context->WaitCounter; 
-            } 
- 
-            if (!context->WaitCounter) { 
-                Owner->Complete(context); 
-            } 
-        } 
- 
-    public: 
-        explicit TCacheItem(TSchemeCache* owner, const TSubscriber& subscriber, bool isVirtual) 
-            : Owner(owner) 
-            , Subscriber(subscriber) 
-            , Filled(false) 
+        }
+
+        void SendSyncRequest() const {
+            Y_VERIFY(Subscriber, "it hangs if no subscriber");
+            Owner->Send(Subscriber.Subscriber, new TSchemeBoardEvents::TEvSyncRequest(), 0, ++Subscriber.SyncCookie);
+        }
+
+        void ResendSyncRequests(THashMap<TVariantContextPtr, TVector<TRequest>>& inFlight) const {
+            for (auto& [_, requests] : inFlight) {
+                for (auto& request : requests) {
+                    if (!request.IsSync) {
+                        continue;
+                    }
+
+                    SendSyncRequest();
+                    request.Cookie = Subscriber.SyncCookie;
+                }
+            }
+        }
+
+        template <typename TContextPtr>
+        void ProcessInFlightNoCheck(TContextPtr context, const TVector<TRequest>& requests) const {
+            // trigger LookupError
+            TResponseProps props(Max<ui64>(), true, true);
+
+            for (const auto& request : requests) {
+                auto& entry = context->Request->ResultSet[request.EntryIndex];
+                FillEntry(context.Get(), entry, props);
+
+                Y_VERIFY(context->WaitCounter > 0);
+                --context->WaitCounter;
+            }
+
+            if (!context->WaitCounter) {
+                Owner->Complete(context);
+            }
+        }
+
+    public:
+        explicit TCacheItem(TSchemeCache* owner, const TSubscriber& subscriber, bool isVirtual)
+            : Owner(owner)
+            , Subscriber(subscriber)
+            , Filled(false)
             , Kind(TNavigate::EKind::KindUnknown)
-            , TableKind(TResolve::EKind::KindUnknown) 
+            , TableKind(TResolve::EKind::KindUnknown)
             , Created(false)
-            , CreateStep(0) 
+            , CreateStep(0)
             , IsPrivatePath(false)
             , IsVirtual(isVirtual)
             , SchemaVersion(0)
-        { 
-        } 
- 
-        TCacheItem(const TCacheItem& other) = delete; 
- 
-        explicit TCacheItem(TCacheItem&& other) 
-            : Owner(other.Owner) 
-            , Subscriber(other.Subscriber) 
-            , Filled(other.Filled) 
-            , InFlight(std::move(other.InFlight)) 
-            , Kind(other.Kind) 
-            , TableKind(other.TableKind) 
-            , Created(other.Created) 
-            , CreateStep(other.CreateStep) 
-            , PathId(other.PathId) 
+        {
+        }
+
+        TCacheItem(const TCacheItem& other) = delete;
+
+        explicit TCacheItem(TCacheItem&& other)
+            : Owner(other.Owner)
+            , Subscriber(other.Subscriber)
+            , Filled(other.Filled)
+            , InFlight(std::move(other.InFlight))
+            , Kind(other.Kind)
+            , TableKind(other.TableKind)
+            , Created(other.Created)
+            , CreateStep(other.CreateStep)
+            , PathId(other.PathId)
             , IsPrivatePath(other.IsPrivatePath)
             , IsVirtual(other.IsVirtual)
             , SchemaVersion(other.SchemaVersion)
-        { 
-            if (other.Subscriber) { 
-                other.Subscriber = TSubscriber(); 
-            } 
-        } 
- 
-        TString ToString() const { 
-            return TStringBuilder() << "{" 
-                << " Subscriber: " << Subscriber.ToString() 
-                << " Filled: " << Filled 
+        {
+            if (other.Subscriber) {
+                other.Subscriber = TSubscriber();
+            }
+        }
+
+        TString ToString() const {
+            return TStringBuilder() << "{"
+                << " Subscriber: " << Subscriber.ToString()
+                << " Filled: " << Filled
                 << " Status: " << (Status ? NKikimrScheme::EStatus_Name(*Status) : "undefined")
-                << " Kind: " << static_cast<ui32>(Kind) 
-                << " TableKind: " << static_cast<ui32>(TableKind) 
-                << " Created: " << Created 
-                << " CreateStep: " << CreateStep 
-                << " PathId: " << PathId 
-                << " DomainId: " << GetDomainId() 
-                << " IsPrivatePath: " << IsPrivatePath 
-                << " IsVirtual: " << IsVirtual 
-                << " SchemaVersion: " << SchemaVersion 
-            << " }"; 
-        } 
- 
-        template <typename T> 
-        static TString ProtoJsonString(const T& message) { 
-            using namespace google::protobuf::util; 
- 
-            JsonPrintOptions opts; 
-            opts.preserve_proto_field_names = true; 
- 
-            TString jsonString; 
-            MessageToJsonString(message, &jsonString, opts); 
- 
-            return jsonString; 
-        } 
- 
-        TString ToJsonString() const { 
-            NJsonWriter::TBuf json; 
-            auto root = json.BeginObject(); 
- 
-            root.WriteKey("Subscriber").BeginObject() 
-                .WriteKey("ActorId").WriteString(::ToString(Subscriber.Subscriber)) 
-                .WriteKey("DomainOwnerId").WriteULongLong(Subscriber.DomainOwnerId) 
-                .WriteKey("Type").WriteInt(static_cast<int>(Subscriber.Type)) 
-                .WriteKey("SyncCookie").WriteULongLong(Subscriber.SyncCookie) 
-            .EndObject(); 
- 
-            root.WriteKey("Filled").WriteBool(Filled); 
-            root.WriteKey("Path").WriteString(Path); 
-            root.WriteKey("PathId").WriteString(::ToString(PathId)); 
-            root.WriteKey("Kind").WriteInt(static_cast<int>(Kind)); 
-            root.WriteKey("TableKind").WriteInt(static_cast<int>(TableKind)); 
-            root.WriteKey("Created").WriteBool(Created); 
-            root.WriteKey("CreateStep").WriteULongLong(CreateStep); 
-            root.WriteKey("IsPrivatePath").WriteBool(IsPrivatePath); 
-            root.WriteKey("IsVirtual").WriteBool(IsVirtual); 
-            root.WriteKey("SchemaVersion").WriteULongLong(SchemaVersion); 
- 
-            if (Status) { 
+                << " Kind: " << static_cast<ui32>(Kind)
+                << " TableKind: " << static_cast<ui32>(TableKind)
+                << " Created: " << Created
+                << " CreateStep: " << CreateStep
+                << " PathId: " << PathId
+                << " DomainId: " << GetDomainId()
+                << " IsPrivatePath: " << IsPrivatePath
+                << " IsVirtual: " << IsVirtual
+                << " SchemaVersion: " << SchemaVersion
+            << " }";
+        }
+
+        template <typename T>
+        static TString ProtoJsonString(const T& message) {
+            using namespace google::protobuf::util;
+
+            JsonPrintOptions opts;
+            opts.preserve_proto_field_names = true;
+
+            TString jsonString;
+            MessageToJsonString(message, &jsonString, opts);
+
+            return jsonString;
+        }
+
+        TString ToJsonString() const {
+            NJsonWriter::TBuf json;
+            auto root = json.BeginObject();
+
+            root.WriteKey("Subscriber").BeginObject()
+                .WriteKey("ActorId").WriteString(::ToString(Subscriber.Subscriber))
+                .WriteKey("DomainOwnerId").WriteULongLong(Subscriber.DomainOwnerId)
+                .WriteKey("Type").WriteInt(static_cast<int>(Subscriber.Type))
+                .WriteKey("SyncCookie").WriteULongLong(Subscriber.SyncCookie)
+            .EndObject();
+
+            root.WriteKey("Filled").WriteBool(Filled);
+            root.WriteKey("Path").WriteString(Path);
+            root.WriteKey("PathId").WriteString(::ToString(PathId));
+            root.WriteKey("Kind").WriteInt(static_cast<int>(Kind));
+            root.WriteKey("TableKind").WriteInt(static_cast<int>(TableKind));
+            root.WriteKey("Created").WriteBool(Created);
+            root.WriteKey("CreateStep").WriteULongLong(CreateStep);
+            root.WriteKey("IsPrivatePath").WriteBool(IsPrivatePath);
+            root.WriteKey("IsVirtual").WriteBool(IsVirtual);
+            root.WriteKey("SchemaVersion").WriteULongLong(SchemaVersion);
+
+            if (Status) {
                 root.WriteKey("Status").WriteString(NKikimrScheme::EStatus_Name(*Status));
-            } else { 
-                root.WriteKey("Status").WriteNull(); 
-            } 
- 
-            if (Attributes) { 
-                auto attrs = root.WriteKey("Attributes").BeginObject(); 
- 
-                for (const auto& [key, value] : Attributes) { 
-                    attrs.WriteKey(key).WriteString(value); 
-                } 
- 
-                attrs.EndObject(); 
-            } 
- 
-            if (AbandonedSchemeShardsIds) { 
-                auto abandoned = root.WriteKey("AbandonedSchemeShardsIds").BeginList(); 
- 
-                for (const auto ssId : AbandonedSchemeShardsIds) { 
-                    abandoned.WriteULongLong(ssId); 
-                } 
- 
-                abandoned.EndList(); 
-            } 
- 
-            if (DomainInfo) { 
-                root.WriteKey("DomainInfo").BeginObject() 
-                    .WriteKey("DomainKey").WriteString(::ToString(DomainInfo->DomainKey)) 
-                    .WriteKey("ResourcesDomainKey").WriteString(::ToString(DomainInfo->ResourcesDomainKey)) 
-                    .WriteKey("Params").UnsafeWriteValue(ProtoJsonString(DomainInfo->Params)) 
-                .EndObject(); 
-            } 
- 
-            if (Self) { 
-                root.WriteKey("Self").UnsafeWriteValue(ProtoJsonString(Self->Info)); 
-            } 
- 
-            if (ListNodeEntry) { 
-                auto children = root.WriteKey("Children").BeginList(); 
- 
-                for (const auto& child : ListNodeEntry->Children) { 
-                    children.BeginObject() 
-                        .WriteKey("Name").WriteString(child.Name) 
-                        .WriteKey("PathId").WriteString(::ToString(child.PathId)) 
-                        .WriteKey("SchemaVersion").WriteULongLong(child.SchemaVersion) 
-                        .WriteKey("Kind").WriteInt(static_cast<int>(child.Kind)) 
-                    .EndObject(); 
-                } 
- 
-                children.EndList(); 
-            } 
- 
-            if (Columns) { 
-                auto columns = root.WriteKey("Columns").BeginList(); 
- 
-                for (const auto& [_, column] : Columns) { 
-                    columns.BeginObject() 
-                        .WriteKey("Id").WriteULongLong(column.Id) 
-                        .WriteKey("Name").WriteString(column.Name) 
-                        .WriteKey("Type").WriteULongLong(column.PType) 
-                        .WriteKey("KeyOrder").WriteInt(column.KeyOrder) 
-                    .EndObject(); 
-                } 
- 
-                columns.EndList(); 
-            } 
- 
-            #define DESCRIPTION_PART(name) \ 
-                if (name) { \ 
-                    root.WriteKey(#name).UnsafeWriteValue(ProtoJsonString(name->Description)); \ 
-                } 
- 
-            DESCRIPTION_PART(DomainDescription) 
-            DESCRIPTION_PART(RtmrVolumeInfo) 
-            DESCRIPTION_PART(KesusInfo); 
-            DESCRIPTION_PART(SolomonVolumeInfo); 
-            DESCRIPTION_PART(PQGroupInfo); 
-            DESCRIPTION_PART(OlapStoreInfo); 
-            DESCRIPTION_PART(OlapTableInfo); 
-            DESCRIPTION_PART(CdcStreamInfo); 
-            DESCRIPTION_PART(SequenceInfo); 
-            DESCRIPTION_PART(ReplicationInfo); 
- 
-            #undef DESCRIPTION_PART 
- 
-            root.EndObject(); 
-            return json.Str(); 
-        } 
- 
-        void OnEvict(bool respondInFlight = true) { 
-            if (Subscriber) { 
-                Owner->Send(Subscriber.Subscriber, new TEvents::TEvPoisonPill()); 
-                Subscriber = TSubscriber(); 
-            } 
- 
-            if (!respondInFlight) { 
-                return; 
-            } 
- 
-            for (const auto& [contextVariant, requests] : InFlight) { 
+            } else {
+                root.WriteKey("Status").WriteNull();
+            }
+
+            if (Attributes) {
+                auto attrs = root.WriteKey("Attributes").BeginObject();
+
+                for (const auto& [key, value] : Attributes) {
+                    attrs.WriteKey(key).WriteString(value);
+                }
+
+                attrs.EndObject();
+            }
+
+            if (AbandonedSchemeShardsIds) {
+                auto abandoned = root.WriteKey("AbandonedSchemeShardsIds").BeginList();
+
+                for (const auto ssId : AbandonedSchemeShardsIds) {
+                    abandoned.WriteULongLong(ssId);
+                }
+
+                abandoned.EndList();
+            }
+
+            if (DomainInfo) {
+                root.WriteKey("DomainInfo").BeginObject()
+                    .WriteKey("DomainKey").WriteString(::ToString(DomainInfo->DomainKey))
+                    .WriteKey("ResourcesDomainKey").WriteString(::ToString(DomainInfo->ResourcesDomainKey))
+                    .WriteKey("Params").UnsafeWriteValue(ProtoJsonString(DomainInfo->Params))
+                .EndObject();
+            }
+
+            if (Self) {
+                root.WriteKey("Self").UnsafeWriteValue(ProtoJsonString(Self->Info));
+            }
+
+            if (ListNodeEntry) {
+                auto children = root.WriteKey("Children").BeginList();
+
+                for (const auto& child : ListNodeEntry->Children) {
+                    children.BeginObject()
+                        .WriteKey("Name").WriteString(child.Name)
+                        .WriteKey("PathId").WriteString(::ToString(child.PathId))
+                        .WriteKey("SchemaVersion").WriteULongLong(child.SchemaVersion)
+                        .WriteKey("Kind").WriteInt(static_cast<int>(child.Kind))
+                    .EndObject();
+                }
+
+                children.EndList();
+            }
+
+            if (Columns) {
+                auto columns = root.WriteKey("Columns").BeginList();
+
+                for (const auto& [_, column] : Columns) {
+                    columns.BeginObject()
+                        .WriteKey("Id").WriteULongLong(column.Id)
+                        .WriteKey("Name").WriteString(column.Name)
+                        .WriteKey("Type").WriteULongLong(column.PType)
+                        .WriteKey("KeyOrder").WriteInt(column.KeyOrder)
+                    .EndObject();
+                }
+
+                columns.EndList();
+            }
+
+            #define DESCRIPTION_PART(name) \
+                if (name) { \
+                    root.WriteKey(#name).UnsafeWriteValue(ProtoJsonString(name->Description)); \
+                }
+
+            DESCRIPTION_PART(DomainDescription)
+            DESCRIPTION_PART(RtmrVolumeInfo)
+            DESCRIPTION_PART(KesusInfo);
+            DESCRIPTION_PART(SolomonVolumeInfo);
+            DESCRIPTION_PART(PQGroupInfo);
+            DESCRIPTION_PART(OlapStoreInfo);
+            DESCRIPTION_PART(OlapTableInfo);
+            DESCRIPTION_PART(CdcStreamInfo);
+            DESCRIPTION_PART(SequenceInfo);
+            DESCRIPTION_PART(ReplicationInfo);
+
+            #undef DESCRIPTION_PART
+
+            root.EndObject();
+            return json.Str();
+        }
+
+        void OnEvict(bool respondInFlight = true) {
+            if (Subscriber) {
+                Owner->Send(Subscriber.Subscriber, new TEvents::TEvPoisonPill());
+                Subscriber = TSubscriber();
+            }
+
+            if (!respondInFlight) {
+                return;
+            }
+
+            for (const auto& [contextVariant, requests] : InFlight) {
                 if (auto* context = std::get_if<TNavigateContextPtr>(&contextVariant)) {
-                    ProcessInFlightNoCheck(*context, requests); 
+                    ProcessInFlightNoCheck(*context, requests);
                 } else if (auto* context = std::get_if<TResolveContextPtr>(&contextVariant)) {
-                    ProcessInFlightNoCheck(*context, requests); 
-                } else { 
-                    Y_FAIL("unknown context type"); 
-                } 
-            } 
-        } 
- 
-        TCacheItem& Merge(TCacheItem&& other) noexcept { 
-            if (Subscriber < other.Subscriber) { 
-                SwapSubscriber(other.Subscriber); 
-            } else { 
-                ResendSyncRequests(other.InFlight); 
-            } 
-
-            InFlight.insert(other.InFlight.begin(), other.InFlight.end()); 
-            other.OnEvict(false); 
- 
-            return *this; 
-        } 
- 
-        void SwapSubscriber(TSubscriber& subscriber) { 
-            std::swap(Subscriber, subscriber); 
-            ResendSyncRequests(InFlight); 
-        } 
- 
-        void MoveInFlightNavigateByPathRequests(TCacheItem& recipient) { 
-            EraseNodesIf(InFlight, [&recipient](auto& kv) { 
+                    ProcessInFlightNoCheck(*context, requests);
+                } else {
+                    Y_FAIL("unknown context type");
+                }
+            }
+        }
+
+        TCacheItem& Merge(TCacheItem&& other) noexcept {
+            if (Subscriber < other.Subscriber) {
+                SwapSubscriber(other.Subscriber);
+            } else {
+                ResendSyncRequests(other.InFlight);
+            }
+
+            InFlight.insert(other.InFlight.begin(), other.InFlight.end());
+            other.OnEvict(false);
+
+            return *this;
+        }
+
+        void SwapSubscriber(TSubscriber& subscriber) {
+            std::swap(Subscriber, subscriber);
+            ResendSyncRequests(InFlight);
+        }
+
+        void MoveInFlightNavigateByPathRequests(TCacheItem& recipient) {
+            EraseNodesIf(InFlight, [&recipient](auto& kv) {
                 auto* context = std::get_if<TNavigateContextPtr>(&kv.first);
-                if (!context) { 
-                    return false; 
-                } 
- 
-                EraseIf(kv.second, [context, &recipient](const TRequest& request) { 
-                    const auto& entry = context->Get()->Request->ResultSet[request.EntryIndex]; 
-                    if (entry.RequestType != TNavigate::TEntry::ERequestType::ByPath) { 
-                        return false; 
-                    } 
- 
-                    Y_VERIFY(context->Get()->WaitCounter > 0); 
-                    --context->Get()->WaitCounter; 
- 
-                    recipient.AddInFlight(*context, request.EntryIndex, request.IsSync); 
-                    return true; 
-                }); 
- 
-                return kv.second.empty(); 
-            }); 
-        } 
- 
-        const TSubscriber& GetSubcriber() const { 
-            return Subscriber; 
-        } 
- 
-        template <typename TContextPtr> 
+                if (!context) {
+                    return false;
+                }
+
+                EraseIf(kv.second, [context, &recipient](const TRequest& request) {
+                    const auto& entry = context->Get()->Request->ResultSet[request.EntryIndex];
+                    if (entry.RequestType != TNavigate::TEntry::ERequestType::ByPath) {
+                        return false;
+                    }
+
+                    Y_VERIFY(context->Get()->WaitCounter > 0);
+                    --context->Get()->WaitCounter;
+
+                    recipient.AddInFlight(*context, request.EntryIndex, request.IsSync);
+                    return true;
+                });
+
+                return kv.second.empty();
+            });
+        }
+
+        const TSubscriber& GetSubcriber() const {
+            return Subscriber;
+        }
+
+        template <typename TContextPtr>
         void AddInFlight(TContextPtr context, const size_t entryIndex, const bool isSync) const {
-            if (IsVirtual) { 
+            if (IsVirtual) {
                 return;
-            } 
-
-            if (isSync) { 
-                SendSyncRequest(); 
-            } 
- 
-            auto it = InFlight.find(context); 
-            if (it == InFlight.end()) { 
-                it = InFlight.emplace(context, TVector<TRequest>()).first; 
-            } 
- 
-            it->second.push_back({entryIndex, Subscriber.SyncCookie, isSync}); 
-            ++context->WaitCounter; 
-        } 
- 
-        template <typename TContext> 
-        void ProcessInFlight(TContext* context, TVector<TRequest>& requests, const TResponseProps& response) const { 
-            EraseIf(requests, [this, context, response](const TRequest& request) { 
-                if (request.IsSync != response.IsSync) { 
-                    return false; 
-                } 
- 
-                if (request.IsSync && request.Cookie > response.Cookie) { 
-                    return false; 
-                } 
- 
-                auto& entry = context->Request->ResultSet[request.EntryIndex]; 
-                if (!entry.SyncVersion || (entry.SyncVersion && response.IsSync)) { 
-                    FillEntry(context, entry, response); 
-                } 
- 
-                Y_VERIFY(context->WaitCounter > 0); 
-                --context->WaitCounter; 
- 
-                return true; 
-            }); 
-        } 
- 
-        TVector<TVariantContextPtr> ProcessInFlight(const TResponseProps& response) const { 
-            TVector<TVariantContextPtr> processed(Reserve(InFlight.size())); 
- 
-            EraseNodesIf(InFlight, [this, &processed, response](auto& kv) { 
-                processed.push_back(kv.first); 
- 
+            }
+
+            if (isSync) {
+                SendSyncRequest();
+            }
+
+            auto it = InFlight.find(context);
+            if (it == InFlight.end()) {
+                it = InFlight.emplace(context, TVector<TRequest>()).first;
+            }
+
+            it->second.push_back({entryIndex, Subscriber.SyncCookie, isSync});
+            ++context->WaitCounter;
+        }
+
+        template <typename TContext>
+        void ProcessInFlight(TContext* context, TVector<TRequest>& requests, const TResponseProps& response) const {
+            EraseIf(requests, [this, context, response](const TRequest& request) {
+                if (request.IsSync != response.IsSync) {
+                    return false;
+                }
+
+                if (request.IsSync && request.Cookie > response.Cookie) {
+                    return false;
+                }
+
+                auto& entry = context->Request->ResultSet[request.EntryIndex];
+                if (!entry.SyncVersion || (entry.SyncVersion && response.IsSync)) {
+                    FillEntry(context, entry, response);
+                }
+
+                Y_VERIFY(context->WaitCounter > 0);
+                --context->WaitCounter;
+
+                return true;
+            });
+        }
+
+        TVector<TVariantContextPtr> ProcessInFlight(const TResponseProps& response) const {
+            TVector<TVariantContextPtr> processed(Reserve(InFlight.size()));
+
+            EraseNodesIf(InFlight, [this, &processed, response](auto& kv) {
+                processed.push_back(kv.first);
+
                 if (auto* context = std::get_if<TNavigateContextPtr>(&kv.first)) {
-                    ProcessInFlight(context->Get(), kv.second, response); 
+                    ProcessInFlight(context->Get(), kv.second, response);
                 } else if (auto* context = std::get_if<TResolveContextPtr>(&kv.first)) {
-                    ProcessInFlight(context->Get(), kv.second, response); 
-                } else { 
-                    Y_FAIL("unknown context type"); 
-                } 
- 
-                return kv.second.empty(); 
-            }); 
- 
-            return processed; 
-        } 
- 
-        void FillAsSysPath() { 
-            Clear(); 
-            Filled = true; 
- 
+                    ProcessInFlight(context->Get(), kv.second, response);
+                } else {
+                    Y_FAIL("unknown context type");
+                }
+
+                return kv.second.empty();
+            });
+
+            return processed;
+        }
+
+        void FillAsSysPath() {
+            Clear();
+            Filled = true;
+
             Status = NKikimrScheme::StatusSuccess;
-            Kind = TNavigate::KindPath; 
-            Created = true; 
+            Kind = TNavigate::KindPath;
+            Created = true;
             PathId = TPathId(TSysTables::SysSchemeShard, 0);
             Path = "/sys";
 
             IsVirtual = true;
-        } 
- 
-        void FillAsSysLocks(const bool v2) { 
-            Clear(); 
-            Filled = true; 
- 
+        }
+
+        void FillAsSysLocks(const bool v2) {
+            Clear();
+            Filled = true;
+
             Status = NKikimrScheme::StatusSuccess;
-            Kind = TNavigate::KindTable; 
-            Created = true; 
-            PathId = TPathId(TSysTables::SysSchemeShard, v2 ? TSysTables::SysTableLocks2 : TSysTables::SysTableLocks); 
+            Kind = TNavigate::KindTable;
+            Created = true;
+            PathId = TPathId(TSysTables::SysSchemeShard, v2 ? TSysTables::SysTableLocks2 : TSysTables::SysTableLocks);
             Path = v2 ? "/sys/locks2" : "/sys/locks";
- 
-            TVector<ui32> keyColumnTypes; 
-            TSysTables::TLocksTable::GetInfo(Columns, keyColumnTypes, v2); 
-            for (ui32 type : keyColumnTypes) { 
-                KeyColumnTypes.push_back(type); 
-            } 
+
+            TVector<ui32> keyColumnTypes;
+            TSysTables::TLocksTable::GetInfo(Columns, keyColumnTypes, v2);
+            for (ui32 type : keyColumnTypes) {
+                KeyColumnTypes.push_back(type);
+            }
 
             IsPrivatePath = true;
             IsVirtual = true;
-        } 
- 
-        void Fill(TSchemeBoardEvents::TEvNotifyUpdate& notify) { 
-            Clear(); 
-            Filled = true; 
- 
-            Y_VERIFY(notify.PathId); 
-            SetPathId(notify.PathId); 
- 
-            if (!notify.DescribeSchemeResult.HasStatus()) { 
-                return; 
-            } else { 
-                Status = notify.DescribeSchemeResult.GetStatus(); 
+        }
+
+        void Fill(TSchemeBoardEvents::TEvNotifyUpdate& notify) {
+            Clear();
+            Filled = true;
+
+            Y_VERIFY(notify.PathId);
+            SetPathId(notify.PathId);
+
+            if (!notify.DescribeSchemeResult.HasStatus()) {
+                return;
+            } else {
+                Status = notify.DescribeSchemeResult.GetStatus();
                 if (Status != NKikimrScheme::StatusSuccess) {
-                    return; 
-                } 
-            } 
- 
-            Y_VERIFY(notify.DescribeSchemeResult.HasPathDescription()); 
-            auto& pathDesc = *notify.DescribeSchemeResult.MutablePathDescription(); 
- 
+                    return;
+                }
+            }
+
+            Y_VERIFY(notify.DescribeSchemeResult.HasPathDescription());
+            auto& pathDesc = *notify.DescribeSchemeResult.MutablePathDescription();
+
             Y_VERIFY(notify.DescribeSchemeResult.HasPath());
             Path = notify.DescribeSchemeResult.GetPath();
 
-            const auto& abandoned = pathDesc.GetAbandonedTenantsSchemeShards(); 
-            AbandonedSchemeShardsIds = TSet<ui64>(abandoned.begin(), abandoned.end()); 
+            const auto& abandoned = pathDesc.GetAbandonedTenantsSchemeShards();
+            AbandonedSchemeShardsIds = TSet<ui64>(abandoned.begin(), abandoned.end());
 
-            Y_VERIFY(pathDesc.HasSelf()); 
-            const auto& entryDesc = pathDesc.GetSelf(); 
+            Y_VERIFY(pathDesc.HasSelf());
+            const auto& entryDesc = pathDesc.GetSelf();
             Self = new TNavigate::TDirEntryInfo();
             Self->Info.CopyFrom(entryDesc);
- 
-            Created = entryDesc.HasCreateFinished() && entryDesc.GetCreateFinished(); 
-            CreateStep = entryDesc.GetCreateStep(); 
-            SecurityObject = new TSecurityObject(entryDesc.GetOwner(), entryDesc.GetEffectiveACL(), false); 
+
+            Created = entryDesc.HasCreateFinished() && entryDesc.GetCreateFinished();
+            CreateStep = entryDesc.GetCreateStep();
+            SecurityObject = new TSecurityObject(entryDesc.GetOwner(), entryDesc.GetEffectiveACL(), false);
             DomainInfo = new NSchemeCache::TDomainInfo(pathDesc.GetDomainDescription());
- 
-            for (const auto& attr : pathDesc.GetUserAttributes()) { 
-                Attributes[attr.GetKey()] = attr.GetValue(); 
-            } 
- 
-            auto tableSchemaVersion = [](const auto& entryDesc) { 
-                return entryDesc.HasVersion() ? entryDesc.GetVersion().GetTableSchemaVersion() : 0; 
-            }; 
-            auto tableIndexVersion = [](const auto& entryDesc) { 
-                return entryDesc.HasVersion() ? entryDesc.GetVersion().GetTableIndexVersion() : 0; 
-            }; 
- 
-            switch (entryDesc.GetPathType()) { 
+
+            for (const auto& attr : pathDesc.GetUserAttributes()) {
+                Attributes[attr.GetKey()] = attr.GetValue();
+            }
+
+            auto tableSchemaVersion = [](const auto& entryDesc) {
+                return entryDesc.HasVersion() ? entryDesc.GetVersion().GetTableSchemaVersion() : 0;
+            };
+            auto tableIndexVersion = [](const auto& entryDesc) {
+                return entryDesc.HasVersion() ? entryDesc.GetVersion().GetTableIndexVersion() : 0;
+            };
+
+            switch (entryDesc.GetPathType()) {
             case NKikimrSchemeOp::EPathTypeSubDomain:
-                Kind = TNavigate::KindSubdomain; 
+                Kind = TNavigate::KindSubdomain;
                 FillInfo(Kind, DomainDescription, std::move(*pathDesc.MutableDomainDescription()));
-                break; 
+                break;
             case NKikimrSchemeOp::EPathTypeExtSubDomain:
                 Kind = TNavigate::KindExtSubdomain;
                 FillInfo(Kind, DomainDescription, std::move(*pathDesc.MutableDomainDescription()));
@@ -1348,20 +1348,20 @@ class TSchemeCache: public TMonitorableActor<TSchemeCache> {
             case NKikimrSchemeOp::EPathTypeDir:
             case NKikimrSchemeOp::EPathTypeBlockStoreVolume:
             case NKikimrSchemeOp::EPathTypeFileStore:
-                Kind = TNavigate::KindPath; 
+                Kind = TNavigate::KindPath;
                 if (entryDesc.GetPathId() == entryDesc.GetParentPathId()) {
                     FillInfo(Kind, DomainDescription, std::move(*pathDesc.MutableDomainDescription()));
                 }
-                break; 
+                break;
             case NKikimrSchemeOp::EPathTypeTable:
-                Kind = TNavigate::KindTable; 
-                TableKind = PathSubTypeToTableKind(entryDesc.GetPathSubType()); 
-                IsPrivatePath = CalcPathIsPrivate(entryDesc.GetPathType(), entryDesc.GetPathSubType()); 
-                if (Created) { 
-                    FillTableInfo(pathDesc); 
-                    SchemaVersion = tableSchemaVersion(entryDesc); 
-                } 
-                break; 
+                Kind = TNavigate::KindTable;
+                TableKind = PathSubTypeToTableKind(entryDesc.GetPathSubType());
+                IsPrivatePath = CalcPathIsPrivate(entryDesc.GetPathType(), entryDesc.GetPathSubType());
+                if (Created) {
+                    FillTableInfo(pathDesc);
+                    SchemaVersion = tableSchemaVersion(entryDesc);
+                }
+                break;
             case NKikimrSchemeOp::EPathTypeColumnStore:
                 Kind = TNavigate::KindOlapStore;
                 if (Created) {
@@ -1381,71 +1381,71 @@ class TSchemeCache: public TMonitorableActor<TSchemeCache> {
                 }
                 break;
             case NKikimrSchemeOp::EPathTypeTableIndex:
-                Kind = TNavigate::KindIndex; 
-                IsPrivatePath = CalcPathIsPrivate(entryDesc.GetPathType(), entryDesc.GetPathSubType()); 
-                SchemaVersion = tableIndexVersion(entryDesc); 
-                break; 
+                Kind = TNavigate::KindIndex;
+                IsPrivatePath = CalcPathIsPrivate(entryDesc.GetPathType(), entryDesc.GetPathSubType());
+                SchemaVersion = tableIndexVersion(entryDesc);
+                break;
             case NKikimrSchemeOp::EPathTypeRtmrVolume:
-                Kind = TNavigate::KindRtmr; 
-                FillInfo(Kind, RtmrVolumeInfo, std::move(*pathDesc.MutableRtmrVolumeDescription())); 
-                break; 
+                Kind = TNavigate::KindRtmr;
+                FillInfo(Kind, RtmrVolumeInfo, std::move(*pathDesc.MutableRtmrVolumeDescription()));
+                break;
             case NKikimrSchemeOp::EPathTypeKesus:
-                Kind = TNavigate::KindKesus; 
-                FillInfo(Kind, KesusInfo, std::move(*pathDesc.MutableKesus())); 
-                break; 
+                Kind = TNavigate::KindKesus;
+                FillInfo(Kind, KesusInfo, std::move(*pathDesc.MutableKesus()));
+                break;
             case NKikimrSchemeOp::EPathTypeSolomonVolume:
-                Kind = TNavigate::KindSolomon; 
-                FillInfo(Kind, SolomonVolumeInfo, std::move(*pathDesc.MutableSolomonDescription())); 
-                break; 
+                Kind = TNavigate::KindSolomon;
+                FillInfo(Kind, SolomonVolumeInfo, std::move(*pathDesc.MutableSolomonDescription()));
+                break;
             case NKikimrSchemeOp::EPathTypePersQueueGroup:
-                Kind = TNavigate::KindTopic; 
-                IsPrivatePath = CalcPathIsPrivate(entryDesc.GetPathType(), entryDesc.GetPathSubType()); 
-                FillInfo(Kind, PQGroupInfo, std::move(*pathDesc.MutablePersQueueGroup())); 
-                break; 
+                Kind = TNavigate::KindTopic;
+                IsPrivatePath = CalcPathIsPrivate(entryDesc.GetPathType(), entryDesc.GetPathSubType());
+                FillInfo(Kind, PQGroupInfo, std::move(*pathDesc.MutablePersQueueGroup()));
+                break;
             case NKikimrSchemeOp::EPathTypeCdcStream:
-                Kind = TNavigate::KindCdcStream; 
-                IsPrivatePath = CalcPathIsPrivate(entryDesc.GetPathType(), entryDesc.GetPathSubType()); 
-                FillInfo(Kind, CdcStreamInfo, std::move(*pathDesc.MutableCdcStreamDescription())); 
-                if (CdcStreamInfo->Description.HasPathId()) { 
-                    const auto& pathId = CdcStreamInfo->Description.GetPathId(); 
-                    CdcStreamInfo->PathId = TPathId(pathId.GetOwnerId(), pathId.GetLocalId()); 
-                } 
-                break; 
+                Kind = TNavigate::KindCdcStream;
+                IsPrivatePath = CalcPathIsPrivate(entryDesc.GetPathType(), entryDesc.GetPathSubType());
+                FillInfo(Kind, CdcStreamInfo, std::move(*pathDesc.MutableCdcStreamDescription()));
+                if (CdcStreamInfo->Description.HasPathId()) {
+                    const auto& pathId = CdcStreamInfo->Description.GetPathId();
+                    CdcStreamInfo->PathId = TPathId(pathId.GetOwnerId(), pathId.GetLocalId());
+                }
+                break;
             case NKikimrSchemeOp::EPathTypeSequence:
                 Kind = TNavigate::KindSequence;
                 FillInfo(Kind, SequenceInfo, std::move(*pathDesc.MutableSequenceDescription()));
                 break;
-            case NKikimrSchemeOp::EPathTypeReplication: 
-                Kind = TNavigate::KindReplication; 
-                FillInfo(Kind, ReplicationInfo, std::move(*pathDesc.MutableReplicationDescription())); 
-                break; 
+            case NKikimrSchemeOp::EPathTypeReplication:
+                Kind = TNavigate::KindReplication;
+                FillInfo(Kind, ReplicationInfo, std::move(*pathDesc.MutableReplicationDescription()));
+                break;
             case NKikimrSchemeOp::EPathTypeInvalid:
-                Y_VERIFY_DEBUG(false, "Invalid path type"); 
+                Y_VERIFY_DEBUG(false, "Invalid path type");
                 break;
-            } 
- 
-            if (IsLikeDirectory(Kind)) { 
-                ListNodeEntry = new TNavigate::TListNodeEntry(); 
-                ListNodeEntry->Kind = TNavigate::KindPath; 
-                ListNodeEntry->Children.reserve(pathDesc.ChildrenSize()); 
- 
-                for (const auto& child : pathDesc.GetChildren()) { 
+            }
+
+            if (IsLikeDirectory(Kind)) {
+                ListNodeEntry = new TNavigate::TListNodeEntry();
+                ListNodeEntry->Kind = TNavigate::KindPath;
+                ListNodeEntry->Children.reserve(pathDesc.ChildrenSize());
+
+                for (const auto& child : pathDesc.GetChildren()) {
                     const auto& name = child.GetName();
                     const auto pathId = TPathId(child.GetSchemeshardId(), child.GetPathId());
 
-                    switch (child.GetPathType()) { 
+                    switch (child.GetPathType()) {
                     case NKikimrSchemeOp::EPathTypeSubDomain:
                     case NKikimrSchemeOp::EPathTypeDir:
                     case NKikimrSchemeOp::EPathTypeBlockStoreVolume:
                     case NKikimrSchemeOp::EPathTypeFileStore:
-                        ListNodeEntry->Children.emplace_back(name, pathId, TNavigate::KindPath); 
-                        break; 
+                        ListNodeEntry->Children.emplace_back(name, pathId, TNavigate::KindPath);
+                        break;
                     case NKikimrSchemeOp::EPathTypeExtSubDomain:
-                        ListNodeEntry->Children.emplace_back(name, pathId, TNavigate::KindExtSubdomain); 
-                        break; 
+                        ListNodeEntry->Children.emplace_back(name, pathId, TNavigate::KindExtSubdomain);
+                        break;
                     case NKikimrSchemeOp::EPathTypeTable:
-                        ListNodeEntry->Children.emplace_back(name, pathId, TNavigate::KindTable, tableSchemaVersion(child)); 
-                        break; 
+                        ListNodeEntry->Children.emplace_back(name, pathId, TNavigate::KindTable, tableSchemaVersion(child));
+                        break;
                     case NKikimrSchemeOp::EPathTypeColumnStore:
                         ListNodeEntry->Children.emplace_back(name, pathId, TNavigate::KindOlapStore);
                         break;
@@ -1453,60 +1453,60 @@ class TSchemeCache: public TMonitorableActor<TSchemeCache> {
                         ListNodeEntry->Children.emplace_back(name, pathId, TNavigate::KindOlapTable);
                         break;
                     case NKikimrSchemeOp::EPathTypeRtmrVolume:
-                        ListNodeEntry->Children.emplace_back(name, pathId, TNavigate::KindRtmr); 
-                        break; 
+                        ListNodeEntry->Children.emplace_back(name, pathId, TNavigate::KindRtmr);
+                        break;
                     case NKikimrSchemeOp::EPathTypeKesus:
-                        ListNodeEntry->Children.emplace_back(name, pathId, TNavigate::KindKesus); 
-                        break; 
+                        ListNodeEntry->Children.emplace_back(name, pathId, TNavigate::KindKesus);
+                        break;
                     case NKikimrSchemeOp::EPathTypeSolomonVolume:
-                        ListNodeEntry->Children.emplace_back(name, pathId, TNavigate::KindSolomon); 
-                        break; 
+                        ListNodeEntry->Children.emplace_back(name, pathId, TNavigate::KindSolomon);
+                        break;
                     case NKikimrSchemeOp::EPathTypePersQueueGroup:
-                        ListNodeEntry->Children.emplace_back(name, pathId, TNavigate::KindTopic); 
-                        break; 
+                        ListNodeEntry->Children.emplace_back(name, pathId, TNavigate::KindTopic);
+                        break;
                     case NKikimrSchemeOp::EPathTypeCdcStream:
-                        ListNodeEntry->Children.emplace_back(name, pathId, TNavigate::KindCdcStream); 
-                        break; 
+                        ListNodeEntry->Children.emplace_back(name, pathId, TNavigate::KindCdcStream);
+                        break;
                     case NKikimrSchemeOp::EPathTypeSequence:
                         ListNodeEntry->Children.emplace_back(name, pathId, TNavigate::KindSequence);
                         break;
-                    case NKikimrSchemeOp::EPathTypeReplication: 
-                        ListNodeEntry->Children.emplace_back(name, pathId, TNavigate::KindReplication); 
-                        break; 
+                    case NKikimrSchemeOp::EPathTypeReplication:
+                        ListNodeEntry->Children.emplace_back(name, pathId, TNavigate::KindReplication);
+                        break;
                     case NKikimrSchemeOp::EPathTypeTableIndex:
                     case NKikimrSchemeOp::EPathTypeInvalid:
-                        Y_VERIFY_DEBUG(false, "Invalid path type"); 
+                        Y_VERIFY_DEBUG(false, "Invalid path type");
                         break;
-                    } 
-                } 
-            } 
-        } 
- 
-        void Fill(TSchemeBoardEvents::TEvNotifyDelete& notify) { 
-            Clear(); 
-            Filled = true; 
- 
-            if (notify.PathId) { 
-                SetPathId(notify.PathId); 
-            } 
- 
-            Y_VERIFY_DEBUG(Subscriber.DomainOwnerId); 
-            if (notify.Strong) { 
+                    }
+                }
+            }
+        }
+
+        void Fill(TSchemeBoardEvents::TEvNotifyDelete& notify) {
+            Clear();
+            Filled = true;
+
+            if (notify.PathId) {
+                SetPathId(notify.PathId);
+            }
+
+            Y_VERIFY_DEBUG(Subscriber.DomainOwnerId);
+            if (notify.Strong) {
                 Status = NKikimrScheme::StatusPathDoesNotExist;
-            } 
-        } 
- 
-        void Fill(TSchemeBoardEvents::TEvSyncResponse&) { 
-        } 
- 
-        bool IsFilled() const { 
-            return Filled; 
-        } 
- 
+            }
+        }
+
+        void Fill(TSchemeBoardEvents::TEvSyncResponse&) {
+        }
+
+        bool IsFilled() const {
+            return Filled;
+        }
+
         TMaybe<NKikimrScheme::EStatus> GetStatus() const {
-            return Status; 
-        } 
- 
+            return Status;
+        }
+
         TPathId GetPathId() const {
             return IsFilled() ? PathId : TPathId();
         }
@@ -1515,10 +1515,10 @@ class TSchemeCache: public TMonitorableActor<TSchemeCache> {
             return (IsFilled() && DomainInfo) ? DomainInfo->DomainKey : TDomainId();
         }
 
-        auto GetDomainInfo() const { 
-            return DomainInfo; 
-        } 
- 
+        auto GetDomainInfo() const {
+            return DomainInfo;
+        }
+
         const TSet<ui64>& GetAbandonedSchemeShardIds() const {
             return AbandonedSchemeShardsIds;
         }
@@ -1530,7 +1530,7 @@ class TSchemeCache: public TMonitorableActor<TSchemeCache> {
 
             if (sysViewInfo == NSysView::SysPathName) {
                 if (entry.Operation == TNavigate::OpTable) {
-                    return SetError(context, entry, TNavigate::EStatus::PathNotTable); 
+                    return SetError(context, entry, TNavigate::EStatus::PathNotTable);
                 }
 
                 auto listNodeEntry = MakeIntrusive<TNavigate::TListNodeEntry>();
@@ -1551,7 +1551,7 @@ class TSchemeCache: public TMonitorableActor<TSchemeCache> {
             } else {
                 auto schema = Owner->SystemViewResolver->GetSystemViewSchema(sysViewInfo, target);
                 if (!schema) {
-                    return SetError(context, entry, TNavigate::EStatus::PathErrorUnknown); 
+                    return SetError(context, entry, TNavigate::EStatus::PathErrorUnknown);
                 }
 
                 entry.Kind = TNavigate::KindTable;
@@ -1579,33 +1579,33 @@ class TSchemeCache: public TMonitorableActor<TSchemeCache> {
             entry.DomainInfo = DomainInfo;
         }
 
-        void FillEntry(TNavigateContext* context, TNavigate::TEntry& entry, const TResponseProps& props = TResponseProps()) const { 
+        void FillEntry(TNavigateContext* context, TNavigate::TEntry& entry, const TResponseProps& props = TResponseProps()) const {
             SBC_LOG_D("FillEntry for TNavigate"
-                << ": self# " << Owner->SelfId() 
-                << ", cacheItem# " << ToString() 
-                << ", entry# " << entry.ToString() 
-                << ", props# " << props.ToString()); 
-
-            if (props.IsSync && props.Partial) { 
-                return SetError(context, entry, TNavigate::EStatus::LookupError); 
-            } 
- 
+                << ": self# " << Owner->SelfId()
+                << ", cacheItem# " << ToString()
+                << ", entry# " << entry.ToString()
+                << ", props# " << props.ToString());
+
+            if (props.IsSync && props.Partial) {
+                return SetError(context, entry, TNavigate::EStatus::LookupError);
+            }
+
             if (Status && Status == NKikimrScheme::StatusPathDoesNotExist) {
-                return SetError(context, entry, TNavigate::EStatus::PathErrorUnknown); 
-            } 
- 
+                return SetError(context, entry, TNavigate::EStatus::PathErrorUnknown);
+            }
+
             if (!Status || Status != NKikimrScheme::StatusSuccess) {
-                return SetError(context, entry, TNavigate::EStatus::LookupError); 
-            } 
- 
+                return SetError(context, entry, TNavigate::EStatus::LookupError);
+            }
+
             if (!entry.TableId.SysViewInfo.empty()) {
                 if (Kind == TNavigate::KindPath) {
                     auto split = SplitPath(Path);
                     if (split.size() == 1) {
-                        return FillSystemViewEntry(context, entry, NSysView::ISystemViewResolver::ETarget::Domain); 
+                        return FillSystemViewEntry(context, entry, NSysView::ISystemViewResolver::ETarget::Domain);
                     }
                 } else if (Kind == TNavigate::KindSubdomain || Kind == TNavigate::KindExtSubdomain) {
-                    return FillSystemViewEntry(context, entry, NSysView::ISystemViewResolver::ETarget::SubDomain); 
+                    return FillSystemViewEntry(context, entry, NSysView::ISystemViewResolver::ETarget::SubDomain);
                 } else if (Kind == TNavigate::KindOlapStore) {
                     FillSystemViewEntry(context, entry, NSysView::ISystemViewResolver::ETarget::OlapStore);
                     entry.OlapStoreInfo = OlapStoreInfo;
@@ -1616,37 +1616,37 @@ class TSchemeCache: public TMonitorableActor<TSchemeCache> {
                     entry.OlapTableInfo = OlapTableInfo;
                     return;
                 }
- 
-                return SetError(context, entry, TNavigate::EStatus::PathErrorUnknown); 
+
+                return SetError(context, entry, TNavigate::EStatus::PathErrorUnknown);
             }
 
             const bool isTable = Kind == TNavigate::KindTable || Kind == TNavigate::KindOlapTable;
             if (entry.Operation == TNavigate::OpTable && !isTable) {
-                return SetError(context, entry, TNavigate::EStatus::PathNotTable); 
-            } 
- 
+                return SetError(context, entry, TNavigate::EStatus::PathNotTable);
+            }
+
             if (!Created && isTable) {
-                return SetError(context, entry, TNavigate::EStatus::PathErrorUnknown); 
-            } 
- 
-            if (!entry.ShowPrivatePath && IsPrivatePath) { 
-                return SetError(context, entry, TNavigate::EStatus::PathErrorUnknown); 
-            } 
- 
-            // common 
+                return SetError(context, entry, TNavigate::EStatus::PathErrorUnknown);
+            }
+
+            if (!entry.ShowPrivatePath && IsPrivatePath) {
+                return SetError(context, entry, TNavigate::EStatus::PathErrorUnknown);
+            }
+
+            // common
             entry.SecurityObject = SecurityObject;
             entry.DomainInfo = DomainInfo;
-            entry.Attributes = Attributes; 
+            entry.Attributes = Attributes;
 
             entry.Status = TNavigate::EStatus::Ok;
 
             if (Kind == TNavigate::KindExtSubdomain && entry.RedirectRequired) {
-                SetError(context, entry, TNavigate::EStatus::RedirectLookupError); 
+                SetError(context, entry, TNavigate::EStatus::RedirectLookupError);
             }
 
-            entry.Kind = Kind; 
-            entry.CreateStep = CreateStep; 
- 
+            entry.Kind = Kind;
+            entry.CreateStep = CreateStep;
+
             if (entry.RequestType == TNavigate::TEntry::ERequestType::ByPath) {
                 if (Kind == TNavigate::KindTable) {
                     entry.TableId = TTableId(PathId.OwnerId, PathId.LocalPathId, SchemaVersion);
@@ -1660,90 +1660,90 @@ class TSchemeCache: public TMonitorableActor<TSchemeCache> {
 
             }
 
-            if (entry.Operation == TNavigate::OpList) { 
-                entry.ListNodeEntry = ListNodeEntry; 
-            } 
- 
-            // specific (it's safe to fill them all) 
+            if (entry.Operation == TNavigate::OpList) {
+                entry.ListNodeEntry = ListNodeEntry;
+            }
+
+            // specific (it's safe to fill them all)
             entry.Self = Self;
-            entry.Columns = Columns; 
+            entry.Columns = Columns;
             entry.NotNullColumns = NotNullColumns;
-            entry.Indexes = Indexes; 
-            entry.CdcStreams = CdcStreams; 
+            entry.Indexes = Indexes;
+            entry.CdcStreams = CdcStreams;
             entry.DomainDescription = DomainDescription;
-            entry.RTMRVolumeInfo = RtmrVolumeInfo; 
-            entry.KesusInfo = KesusInfo; 
-            entry.SolomonVolumeInfo = SolomonVolumeInfo; 
-            entry.PQGroupInfo = PQGroupInfo; 
+            entry.RTMRVolumeInfo = RtmrVolumeInfo;
+            entry.KesusInfo = KesusInfo;
+            entry.SolomonVolumeInfo = SolomonVolumeInfo;
+            entry.PQGroupInfo = PQGroupInfo;
             entry.OlapStoreInfo = OlapStoreInfo;
             entry.OlapTableInfo = OlapTableInfo;
-            entry.CdcStreamInfo = CdcStreamInfo; 
+            entry.CdcStreamInfo = CdcStreamInfo;
             entry.SequenceInfo = SequenceInfo;
-            entry.ReplicationInfo = ReplicationInfo; 
-        } 
- 
-        bool CheckColumns(TResolveContext* context, TResolve::TEntry& entry, 
+            entry.ReplicationInfo = ReplicationInfo;
+        }
+
+        bool CheckColumns(TResolveContext* context, TResolve::TEntry& entry,
             const TVector<NScheme::TTypeId>& keyColumnTypes,
             const THashMap<ui32, TSysTables::TTableColumnInfo>& columns) const
         {
-            TKeyDesc& keyDesc = *entry.KeyDescription; 
- 
+            TKeyDesc& keyDesc = *entry.KeyDescription;
+
             // check key types
             if (keyDesc.KeyColumnTypes.size() > keyColumnTypes.size()) {
-                SetError(context, entry, TResolve::EStatus::TypeCheckError, TKeyDesc::EStatus::TypeCheckFailed); 
+                SetError(context, entry, TResolve::EStatus::TypeCheckError, TKeyDesc::EStatus::TypeCheckFailed);
                 return false;
-            } 
- 
-            for (ui32 i : xrange(keyDesc.KeyColumnTypes.size())) { 
+            }
+
+            for (ui32 i : xrange(keyDesc.KeyColumnTypes.size())) {
                 if (keyDesc.KeyColumnTypes[i] != keyColumnTypes[i]) {
-                    SetError(context, entry, TResolve::EStatus::TypeCheckError, TKeyDesc::EStatus::TypeCheckFailed); 
+                    SetError(context, entry, TResolve::EStatus::TypeCheckError, TKeyDesc::EStatus::TypeCheckFailed);
                     return false;
-                } 
-            } 
- 
+                }
+            }
+
             // check operations
-            keyDesc.ColumnInfos.clear(); 
-            keyDesc.ColumnInfos.reserve(keyDesc.Columns.size()); 
-            for (auto& columnOp : keyDesc.Columns) { 
+            keyDesc.ColumnInfos.clear();
+            keyDesc.ColumnInfos.reserve(keyDesc.Columns.size());
+            for (auto& columnOp : keyDesc.Columns) {
                 if (IsSystemColumn(columnOp.Column)) {
                     continue;
                 }
- 
-                if (IsSysTable() && columnOp.Operation == TKeyDesc::EColumnOperation::InplaceUpdate) { 
-                    SetError(context, entry, TResolve::EStatus::TypeCheckError, TKeyDesc::EStatus::OperationNotSupported); 
+
+                if (IsSysTable() && columnOp.Operation == TKeyDesc::EColumnOperation::InplaceUpdate) {
+                    SetError(context, entry, TResolve::EStatus::TypeCheckError, TKeyDesc::EStatus::OperationNotSupported);
                     return false;
-                } 
- 
+                }
+
                 const auto* column = columns.FindPtr(columnOp.Column);
- 
-                if (!column) { 
-                    entry.Status = TResolve::EStatus::TypeCheckError; 
-                    keyDesc.Status = TKeyDesc::EStatus::TypeCheckFailed; 
-                    keyDesc.ColumnInfos.push_back({ 
-                        columnOp.Column, 0, 0, TKeyDesc::EStatus::NotExists 
-                    }); 
-                    continue; 
-                } 
- 
-                if (column->PType != columnOp.ExpectedType) { 
-                    entry.Status = TResolve::EStatus::TypeCheckError; 
-                    keyDesc.Status = TKeyDesc::EStatus::TypeCheckFailed; 
-                    keyDesc.ColumnInfos.push_back({ 
-                        columnOp.Column, column->PType, 0, TKeyDesc::EStatus::TypeCheckFailed 
-                    }); 
-                    continue; 
-                } 
- 
-                if (columnOp.Operation == TKeyDesc::EColumnOperation::InplaceUpdate) { 
-                    entry.Status = TResolve::EStatus::TypeCheckError; 
-                    keyDesc.Status = TKeyDesc::EStatus::OperationNotSupported; 
-                    keyDesc.ColumnInfos.push_back({ 
-                        columnOp.Column, column->PType, 0, TKeyDesc::EStatus::OperationNotSupported 
-                    }); 
-                    continue; 
-                } 
-            } 
- 
+
+                if (!column) {
+                    entry.Status = TResolve::EStatus::TypeCheckError;
+                    keyDesc.Status = TKeyDesc::EStatus::TypeCheckFailed;
+                    keyDesc.ColumnInfos.push_back({
+                        columnOp.Column, 0, 0, TKeyDesc::EStatus::NotExists
+                    });
+                    continue;
+                }
+
+                if (column->PType != columnOp.ExpectedType) {
+                    entry.Status = TResolve::EStatus::TypeCheckError;
+                    keyDesc.Status = TKeyDesc::EStatus::TypeCheckFailed;
+                    keyDesc.ColumnInfos.push_back({
+                        columnOp.Column, column->PType, 0, TKeyDesc::EStatus::TypeCheckFailed
+                    });
+                    continue;
+                }
+
+                if (columnOp.Operation == TKeyDesc::EColumnOperation::InplaceUpdate) {
+                    entry.Status = TResolve::EStatus::TypeCheckError;
+                    keyDesc.Status = TKeyDesc::EStatus::OperationNotSupported;
+                    keyDesc.ColumnInfos.push_back({
+                        columnOp.Column, column->PType, 0, TKeyDesc::EStatus::OperationNotSupported
+                    });
+                    continue;
+                }
+            }
+
             return true;
         }
 
@@ -1755,10 +1755,10 @@ class TSchemeCache: public TMonitorableActor<TSchemeCache> {
 
             auto schema = Owner->SystemViewResolver->GetSystemViewSchema(sysViewInfo, target);
             if (!schema) {
-                return SetError(context, entry, TResolve::EStatus::PathErrorNotExist, TKeyDesc::EStatus::NotExists); 
+                return SetError(context, entry, TResolve::EStatus::PathErrorNotExist, TKeyDesc::EStatus::NotExists);
             }
 
-            if (!CheckColumns(context, entry, schema->KeyColumnTypes, schema->Columns)) { 
+            if (!CheckColumns(context, entry, schema->KeyColumnTypes, schema->Columns)) {
                 return;
             }
 
@@ -1774,35 +1774,35 @@ class TSchemeCache: public TMonitorableActor<TSchemeCache> {
             keyDesc.Status = TKeyDesc::EStatus::Ok;
         }
 
-        void FillEntry(TResolveContext* context, TResolve::TEntry& entry, const TResponseProps& props = TResponseProps()) const { 
+        void FillEntry(TResolveContext* context, TResolve::TEntry& entry, const TResponseProps& props = TResponseProps()) const {
             SBC_LOG_D("FillEntry for TResolve"
-                << ": self# " << Owner->SelfId() 
-                << ", cacheItem# " << ToString() 
-                << ", entry# " << entry.ToString() 
-                << ", props# " << props.ToString()); 
- 
+                << ": self# " << Owner->SelfId()
+                << ", cacheItem# " << ToString()
+                << ", entry# " << entry.ToString()
+                << ", props# " << props.ToString());
+
             TKeyDesc& keyDesc = *entry.KeyDescription;
 
-            if (props.IsSync && props.Partial) { 
-                return SetError(context, entry, TResolve::EStatus::LookupError, TKeyDesc::EStatus::NotExists); 
-            } 
- 
+            if (props.IsSync && props.Partial) {
+                return SetError(context, entry, TResolve::EStatus::LookupError, TKeyDesc::EStatus::NotExists);
+            }
+
             if (Status && Status == NKikimrScheme::StatusPathDoesNotExist) {
-                return SetError(context, entry, TResolve::EStatus::PathErrorNotExist, TKeyDesc::EStatus::NotExists); 
+                return SetError(context, entry, TResolve::EStatus::PathErrorNotExist, TKeyDesc::EStatus::NotExists);
             }
 
             if (!Status || Status != NKikimrScheme::StatusSuccess) {
-                return SetError(context, entry, TResolve::EStatus::LookupError, TKeyDesc::EStatus::NotExists); 
+                return SetError(context, entry, TResolve::EStatus::LookupError, TKeyDesc::EStatus::NotExists);
             }
 
-            if (!keyDesc.TableId.SysViewInfo.empty()) { 
+            if (!keyDesc.TableId.SysViewInfo.empty()) {
                 if (Kind == TNavigate::KindPath) {
                     auto split = SplitPath(Path);
                     if (split.size() == 1) {
-                        return FillSystemViewEntry(context, entry, NSysView::ISystemViewResolver::ETarget::Domain); 
+                        return FillSystemViewEntry(context, entry, NSysView::ISystemViewResolver::ETarget::Domain);
                     }
                 } else if (Kind == TNavigate::KindSubdomain || Kind == TNavigate::KindExtSubdomain) {
-                    return FillSystemViewEntry(context, entry, NSysView::ISystemViewResolver::ETarget::SubDomain); 
+                    return FillSystemViewEntry(context, entry, NSysView::ISystemViewResolver::ETarget::SubDomain);
                 } else if (Kind == TNavigate::KindOlapStore) {
                     FillSystemViewEntry(context, entry, NSysView::ISystemViewResolver::ETarget::OlapStore);
                     // Add all shards of the OLAP store
@@ -1820,241 +1820,241 @@ class TSchemeCache: public TMonitorableActor<TSchemeCache> {
                     }
                     return;
                 }
- 
-                return SetError(context, entry, TResolve::EStatus::PathErrorNotExist, TKeyDesc::EStatus::NotExists); 
+
+                return SetError(context, entry, TResolve::EStatus::PathErrorNotExist, TKeyDesc::EStatus::NotExists);
             }
 
             if (!Created) {
-                return SetError(context, entry, TResolve::EStatus::NotMaterialized, TKeyDesc::EStatus::NotExists); 
+                return SetError(context, entry, TResolve::EStatus::NotMaterialized, TKeyDesc::EStatus::NotExists);
             }
 
-            entry.Kind = TableKind; 
+            entry.Kind = TableKind;
             entry.DomainInfo = DomainInfo;
 
-            if (!CheckColumns(context, entry, KeyColumnTypes, Columns)) { 
+            if (!CheckColumns(context, entry, KeyColumnTypes, Columns)) {
                 return;
             }
 
             // fill partition info
-            if (IsSysTable()) { 
-                if (keyDesc.Range.Point) { 
-                    ui64 shard = 0; 
-                    bool ok = TSysTables::TLocksTable::ExtractKey( 
-                        keyDesc.Range.From, TSysTables::TLocksTable::EColumns::DataShard, shard 
-                    ); 
-                    if (ok) { 
-                        keyDesc.Partitions.push_back(TKeyDesc::TPartitionInfo(shard)); 
-                    } else { 
-                        keyDesc.Status = TKeyDesc::EStatus::OperationNotSupported; 
-                        ++context->Request->ErrorCount; 
-                    } 
-                } 
+            if (IsSysTable()) {
+                if (keyDesc.Range.Point) {
+                    ui64 shard = 0;
+                    bool ok = TSysTables::TLocksTable::ExtractKey(
+                        keyDesc.Range.From, TSysTables::TLocksTable::EColumns::DataShard, shard
+                    );
+                    if (ok) {
+                        keyDesc.Partitions.push_back(TKeyDesc::TPartitionInfo(shard));
+                    } else {
+                        keyDesc.Status = TKeyDesc::EStatus::OperationNotSupported;
+                        ++context->Request->ErrorCount;
+                    }
+                }
             } else if (OlapTableInfo) {
                 // TODO: return proper partitioning info (KIKIMR-11069)
                 for (ui64 columnShard : OlapTableInfo->Description.GetSharding().GetColumnShards()) {
                     keyDesc.Partitions.push_back(TKeyDesc::TPartitionInfo(columnShard));
                     keyDesc.Partitions.back().Range = TKeyDesc::TPartitionRangeInfo();
                 }
-            } else { 
-                if (Partitioning) { 
-                    FillRangePartitioning(keyDesc.Range, keyDesc.Partitions); 
-                } 
-            } 
- 
-            if (keyDesc.Partitions.empty()) { 
-                entry.Status = TResolve::EStatus::TypeCheckError; 
-                keyDesc.Status = TKeyDesc::EStatus::OperationNotSupported; 
-            } 
- 
+            } else {
+                if (Partitioning) {
+                    FillRangePartitioning(keyDesc.Range, keyDesc.Partitions);
+                }
+            }
+
+            if (keyDesc.Partitions.empty()) {
+                entry.Status = TResolve::EStatus::TypeCheckError;
+                keyDesc.Status = TKeyDesc::EStatus::OperationNotSupported;
+            }
+
             // fill ACL info
-            keyDesc.SecurityObject = SecurityObject; 
- 
-            if (keyDesc.Status != TKeyDesc::EStatus::Unknown) { 
-                ++context->Request->ErrorCount; 
-                return; 
-            } 
- 
-            entry.Status = TResolve::EStatus::OkData; 
-            keyDesc.Status = TKeyDesc::EStatus::Ok; 
-        } 
- 
-    private: 
-        // internal 
-        TSchemeCache* Owner; 
-        TSubscriber Subscriber; 
-        bool Filled; 
- 
-        mutable THashMap<TVariantContextPtr, TVector<TRequest>> InFlight; 
- 
-        // common 
+            keyDesc.SecurityObject = SecurityObject;
+
+            if (keyDesc.Status != TKeyDesc::EStatus::Unknown) {
+                ++context->Request->ErrorCount;
+                return;
+            }
+
+            entry.Status = TResolve::EStatus::OkData;
+            keyDesc.Status = TKeyDesc::EStatus::Ok;
+        }
+
+    private:
+        // internal
+        TSchemeCache* Owner;
+        TSubscriber Subscriber;
+        bool Filled;
+
+        mutable THashMap<TVariantContextPtr, TVector<TRequest>> InFlight;
+
+        // common
         TMaybe<NKikimrScheme::EStatus> Status;
-        TNavigate::EKind Kind; 
-        TResolve::EKind TableKind; 
-        bool Created; 
-        ui64 CreateStep; 
+        TNavigate::EKind Kind;
+        TResolve::EKind TableKind;
+        bool Created;
+        ui64 CreateStep;
         TPathId PathId;
         TString Path;
         TSet<ui64> AbandonedSchemeShardsIds;
-        TIntrusivePtr<TSecurityObject> SecurityObject; 
+        TIntrusivePtr<TSecurityObject> SecurityObject;
         NSchemeCache::TDomainInfo::TPtr DomainInfo;
-        THashMap<TString, TString> Attributes; 
-        bool IsPrivatePath; 
+        THashMap<TString, TString> Attributes;
+        bool IsPrivatePath;
         bool IsVirtual;
- 
+
         // Used for Table and Index
         ui64 SchemaVersion;
 
-        // domain & path specific 
-        TIntrusivePtr<TNavigate::TListNodeEntry> ListNodeEntry; 
+        // domain & path specific
+        TIntrusivePtr<TNavigate::TListNodeEntry> ListNodeEntry;
         TIntrusivePtr<TNavigate::TDomainDescription> DomainDescription;
- 
-        // table specific 
-        THashMap<ui32, TSysTables::TTableColumnInfo> Columns; 
-        TVector<NScheme::TTypeId> KeyColumnTypes; 
+
+        // table specific
+        THashMap<ui32, TSysTables::TTableColumnInfo> Columns;
+        TVector<NScheme::TTypeId> KeyColumnTypes;
         THashSet<TString> NotNullColumns;
         TVector<NKikimrSchemeOp::TIndexDescription> Indexes;
         TVector<NKikimrSchemeOp::TCdcStreamDescription> CdcStreams;
-        TVector<TKeyDesc::TPartitionInfo> Partitioning; 
- 
+        TVector<TKeyDesc::TPartitionInfo> Partitioning;
+
         TIntrusivePtr<TNavigate::TDirEntryInfo> Self;
 
-        // RTMR specific 
-        TIntrusivePtr<TNavigate::TRtmrVolumeInfo> RtmrVolumeInfo; 
- 
-        // Kesus specific 
-        TIntrusivePtr<TNavigate::TKesusInfo> KesusInfo; 
- 
-        // Solomon specific 
-        TIntrusivePtr<TNavigate::TSolomonVolumeInfo> SolomonVolumeInfo; 
- 
-        // PQ specific 
-        TIntrusivePtr<TNavigate::TPQGroupInfo> PQGroupInfo; 
- 
+        // RTMR specific
+        TIntrusivePtr<TNavigate::TRtmrVolumeInfo> RtmrVolumeInfo;
+
+        // Kesus specific
+        TIntrusivePtr<TNavigate::TKesusInfo> KesusInfo;
+
+        // Solomon specific
+        TIntrusivePtr<TNavigate::TSolomonVolumeInfo> SolomonVolumeInfo;
+
+        // PQ specific
+        TIntrusivePtr<TNavigate::TPQGroupInfo> PQGroupInfo;
+
         // OlapStore specific
         TIntrusivePtr<TNavigate::TOlapStoreInfo> OlapStoreInfo;
         TIntrusivePtr<TNavigate::TOlapTableInfo> OlapTableInfo;
 
-        // CDC specific 
-        TIntrusivePtr<TNavigate::TCdcStreamInfo> CdcStreamInfo; 
- 
+        // CDC specific
+        TIntrusivePtr<TNavigate::TCdcStreamInfo> CdcStreamInfo;
+
         // Sequence specific
         TIntrusivePtr<TNavigate::TSequenceInfo> SequenceInfo;
 
-        // Replication specific 
-        TIntrusivePtr<TNavigate::TReplicationInfo> ReplicationInfo; 
- 
-    }; // TCacheItem 
- 
-    struct TMerger { 
-        TCacheItem& operator()(TCacheItem& dst, TCacheItem&& src) { 
-            return dst.Merge(std::move(src)); 
-        } 
-    }; 
- 
-    struct TEvicter { 
-        void operator()(TCacheItem& val) { 
-            return val.OnEvict(); 
-        } 
-    }; 
- 
-    enum class EPathType { 
-        RegularPath, 
-        SysPath, 
-        SysLocksV1, 
-        SysLocksV2, 
-    }; 
- 
-    static EPathType PathType(const TStringBuf path) { 
+        // Replication specific
+        TIntrusivePtr<TNavigate::TReplicationInfo> ReplicationInfo;
+
+    }; // TCacheItem
+
+    struct TMerger {
+        TCacheItem& operator()(TCacheItem& dst, TCacheItem&& src) {
+            return dst.Merge(std::move(src));
+        }
+    };
+
+    struct TEvicter {
+        void operator()(TCacheItem& val) {
+            return val.OnEvict();
+        }
+    };
+
+    enum class EPathType {
+        RegularPath,
+        SysPath,
+        SysLocksV1,
+        SysLocksV2,
+    };
+
+    static EPathType PathType(const TStringBuf path) {
         if (path == "/sys"sv) {
-            return EPathType::SysPath; 
+            return EPathType::SysPath;
         } else if (path == "/sys/locks"sv) {
-            return EPathType::SysLocksV1; 
+            return EPathType::SysLocksV1;
         } else if (path == "/sys/locks2"sv) {
-            return EPathType::SysLocksV2; 
-        } 
- 
-        return EPathType::RegularPath; 
-    } 
- 
-    static EPathType PathType(const TPathId& pathId) { 
-        if (pathId == TPathId(TSysTables::SysSchemeShard, TSysTables::SysTableLocks)) { 
-            return EPathType::SysLocksV1; 
-        } else if (pathId == TPathId(TSysTables::SysSchemeShard, TSysTables::SysTableLocks2)) { 
-            return EPathType::SysLocksV2; 
-        } 
- 
-        return EPathType::RegularPath; 
-    } 
- 
-    static TInstant Now() { 
-        return TlsActivationContext->Now(); 
-    } 
- 
-    template <typename TPath> 
-    TSubscriber CreateSubscriber(const TPath& path, const ui64 tabletId, const ui64 domainOwnerId) const { 
-        SBC_LOG_T("Create subscriber" 
-            << ": self# " << SelfId() 
-            << ", path# " << path 
-            << ", domainOwnerId# " << domainOwnerId); 
- 
-        const auto& domains = *AppData()->DomainsInfo; 
+            return EPathType::SysLocksV2;
+        }
+
+        return EPathType::RegularPath;
+    }
+
+    static EPathType PathType(const TPathId& pathId) {
+        if (pathId == TPathId(TSysTables::SysSchemeShard, TSysTables::SysTableLocks)) {
+            return EPathType::SysLocksV1;
+        } else if (pathId == TPathId(TSysTables::SysSchemeShard, TSysTables::SysTableLocks2)) {
+            return EPathType::SysLocksV2;
+        }
+
+        return EPathType::RegularPath;
+    }
+
+    static TInstant Now() {
+        return TlsActivationContext->Now();
+    }
+
+    template <typename TPath>
+    TSubscriber CreateSubscriber(const TPath& path, const ui64 tabletId, const ui64 domainOwnerId) const {
+        SBC_LOG_T("Create subscriber"
+            << ": self# " << SelfId()
+            << ", path# " << path
+            << ", domainOwnerId# " << domainOwnerId);
+
+        const auto& domains = *AppData()->DomainsInfo;
         const ui32 domainId = domains.GetDomainUidByTabletId(tabletId);
         const ui32 boardSSId = domains.GetDomain(domainId).DefaultSchemeBoardGroup;
- 
-        return TSubscriber( 
-            Register(CreateSchemeBoardSubscriber(SelfId(), path, boardSSId, domainOwnerId)), domainOwnerId, path 
-        ); 
+
+        return TSubscriber(
+            Register(CreateSchemeBoardSubscriber(SelfId(), path, boardSSId, domainOwnerId)), domainOwnerId, path
+        );
+    }
+
+    TSubscriber CreateSubscriber(const TPathId& pathId, const ui64 domainOwnerId) const {
+        return CreateSubscriber(pathId, pathId.OwnerId, domainOwnerId);
     }
 
-    TSubscriber CreateSubscriber(const TPathId& pathId, const ui64 domainOwnerId) const { 
-        return CreateSubscriber(pathId, pathId.OwnerId, domainOwnerId); 
-    } 
- 
     template <typename TContextPtr, typename TEntry, typename TPathExtractor, typename TTabletIdExtractor>
     void HandleEntry(TContextPtr context, TEntry& entry, size_t index,
         TPathExtractor pathExtractor, TTabletIdExtractor tabletIdExtractor)
     {
         auto path = pathExtractor(entry);
         TCacheItem* cacheItem = Cache.FindPtr(path);
- 
+
         if (!cacheItem) {
             const EPathType pathType = PathType(path);
             switch (pathType) {
             case EPathType::RegularPath:
             {
                 const ui64 tabletId = tabletIdExtractor(entry);
-                const ui32 domainId = AppData()->DomainsInfo->GetDomainUidByTabletId(tabletId); 
+                const ui32 domainId = AppData()->DomainsInfo->GetDomainUidByTabletId(tabletId);
                 if (tabletId == ui64(NSchemeShard::InvalidTabletId) || domainId == TDomainsInfo::BadDomainId) {
-                    return SetRootUnknown(context.Get(), entry); 
-                } 
- 
-                ui64 domainOwnerId = context->Request->DomainOwnerId; 
-                if (!domainOwnerId && context->Request->DatabaseName) { 
-                    TCacheItem* dbItem = Cache.FindPtr(CanonizePath(context->Request->DatabaseName)); 
-                    if (!dbItem) { 
-                        return SetRootUnknown(context.Get(), entry); 
-                    } 
- 
-                    auto status = dbItem->GetStatus(); 
+                    return SetRootUnknown(context.Get(), entry);
+                }
+
+                ui64 domainOwnerId = context->Request->DomainOwnerId;
+                if (!domainOwnerId && context->Request->DatabaseName) {
+                    TCacheItem* dbItem = Cache.FindPtr(CanonizePath(context->Request->DatabaseName));
+                    if (!dbItem) {
+                        return SetRootUnknown(context.Get(), entry);
+                    }
+
+                    auto status = dbItem->GetStatus();
                     if (status && status == NKikimrScheme::StatusPathDoesNotExist) {
-                        return SetPathNotExist(context.Get(), entry); 
-                    } 
- 
+                        return SetPathNotExist(context.Get(), entry);
+                    }
+
                     if (!status || status != NKikimrScheme::StatusSuccess) {
-                        return SetLookupError(context.Get(), entry); 
-                    } 
- 
-                    Y_VERIFY(dbItem->GetDomainInfo()); 
-                    domainOwnerId = dbItem->GetDomainInfo()->ExtractSchemeShard(); 
-                } 
- 
-                if (!domainOwnerId) { 
-                    domainOwnerId = tabletId; 
-                } 
- 
-                cacheItem = &Cache.Upsert(path, TCacheItem(this, CreateSubscriber(path, tabletId, domainOwnerId), false)); 
+                        return SetLookupError(context.Get(), entry);
+                    }
+
+                    Y_VERIFY(dbItem->GetDomainInfo());
+                    domainOwnerId = dbItem->GetDomainInfo()->ExtractSchemeShard();
+                }
+
+                if (!domainOwnerId) {
+                    domainOwnerId = tabletId;
+                }
+
+                cacheItem = &Cache.Upsert(path, TCacheItem(this, CreateSubscriber(path, tabletId, domainOwnerId), false));
                 break;
-            } 
+            }
             case EPathType::SysPath:
                 cacheItem = &Cache.Upsert(path, TCacheItem(this, TSubscriber(), true));
                 cacheItem->FillAsSysPath();
@@ -2064,72 +2064,72 @@ class TSchemeCache: public TMonitorableActor<TSchemeCache> {
                 cacheItem = &Cache.Upsert(path, TCacheItem(this, TSubscriber(), true));
                 cacheItem->FillAsSysLocks(pathType == EPathType::SysLocksV2);
                 break;
-            } 
-        } 
- 
+            }
+        }
+
         Cache.Promote(path);
 
-        if (cacheItem->IsFilled() && !entry.SyncVersion) { 
-            cacheItem->FillEntry(context.Get(), entry); 
-        } 
- 
+        if (cacheItem->IsFilled() && !entry.SyncVersion) {
+            cacheItem->FillEntry(context.Get(), entry);
+        }
+
         if (entry.SyncVersion) {
             cacheItem->AddInFlight(context, index, true);
-        } 
+        }
 
         if (!cacheItem->IsFilled()) {
             cacheItem->AddInFlight(context, index, false);
         }
-    } 
- 
-    TCacheItem* SwapSubscriberAndUpsert(TCacheItem* byPath, const TPathId& notifyPathId, const TString& notifyPath) { 
-        TSubscriber subscriber = CreateSubscriber(byPath->GetPathId(), byPath->GetSubcriber().DomainOwnerId); 
-        byPath->SwapSubscriber(subscriber); 
- 
-        TCacheItem newItem(this, subscriber, false); 
-        byPath->MoveInFlightNavigateByPathRequests(newItem); 
- 
-        Cache.DeleteIndex(notifyPath); 
-        return &Cache.Upsert(notifyPath, notifyPathId, std::move(newItem)); 
-    } 
- 
-    TCacheItem* ResolveCacheItemCommon(const TPathId& notifyPathId, const TString& notifyPath) { 
+    }
+
+    TCacheItem* SwapSubscriberAndUpsert(TCacheItem* byPath, const TPathId& notifyPathId, const TString& notifyPath) {
+        TSubscriber subscriber = CreateSubscriber(byPath->GetPathId(), byPath->GetSubcriber().DomainOwnerId);
+        byPath->SwapSubscriber(subscriber);
+
+        TCacheItem newItem(this, subscriber, false);
+        byPath->MoveInFlightNavigateByPathRequests(newItem);
+
+        Cache.DeleteIndex(notifyPath);
+        return &Cache.Upsert(notifyPath, notifyPathId, std::move(newItem));
+    }
+
+    TCacheItem* ResolveCacheItemCommon(const TPathId& notifyPathId, const TString& notifyPath) {
         if (!notifyPathId) {
             return Cache.FindPtr(notifyPath);
         }
- 
+
         if (!notifyPath) {
             return Cache.FindPtr(notifyPathId);
         }
- 
+
         TCacheItem* byPath = Cache.FindPtr(notifyPath);
         TCacheItem* byPathId = Cache.FindPtr(notifyPathId);
 
         if (byPath == byPathId) {
             return byPathId;
         }
- 
+
         if (!byPath) {
-            TSubscriber subscriber = CreateSubscriber(notifyPath, notifyPathId.OwnerId, byPathId->GetSubcriber().DomainOwnerId); 
+            TSubscriber subscriber = CreateSubscriber(notifyPath, notifyPathId.OwnerId, byPathId->GetSubcriber().DomainOwnerId);
             return &Cache.Upsert(notifyPath, notifyPathId, TCacheItem(this, subscriber, false));
         }
- 
+
         TCacheItem* byPathByPathId = Cache.FindPtr(byPath->GetPathId());
- 
+
         if (!byPathByPathId) {
             return &Cache.Upsert(notifyPath, notifyPathId, TCacheItem(this, TSubscriber(), false));
         }
- 
+
         Y_VERIFY(byPath == byPathByPathId);
 
         if (!byPath->IsFilled() || byPath->GetPathId().OwnerId == notifyPathId.OwnerId) {
             if (byPath->GetPathId() < notifyPathId) {
-                return SwapSubscriberAndUpsert(byPath, notifyPathId, notifyPath); 
-            } 
+                return SwapSubscriberAndUpsert(byPath, notifyPathId, notifyPath);
+            }
 
             return byPathId;
-        } 
- 
+        }
+
         return nullptr;
     }
 
@@ -2141,10 +2141,10 @@ class TSchemeCache: public TMonitorableActor<TSchemeCache> {
         TCacheItem* byPathId = Cache.FindPtr(notify.PathId);
 
         SBC_LOG_D("ResolveCacheItem"
-            << ": self# " << SelfId() 
-            << ", notify# " << notify.ToString() 
-            << ", by path# " << (byPath ? byPath->ToString() : "nullptr") 
-            << ", by pathId# " << (byPathId ? byPathId->ToString() : "nullptr")); 
+            << ": self# " << SelfId()
+            << ", notify# " << notify.ToString()
+            << ", by path# " << (byPath ? byPath->ToString() : "nullptr")
+            << ", by pathId# " << (byPathId ? byPathId->ToString() : "nullptr"));
 
         TCacheItem* commonResolve = ResolveCacheItemCommon(notify.PathId, notify.Path);
         if (commonResolve) {
@@ -2158,8 +2158,8 @@ class TSchemeCache: public TMonitorableActor<TSchemeCache> {
         Y_VERIFY(byPath);
         Y_VERIFY(byPathId != byPath);
 
-        if (!byPath->GetDomainId() && notifyDomainId) { 
-            return SwapSubscriberAndUpsert(byPath, notify.PathId, notify.Path); 
+        if (!byPath->GetDomainId() && notifyDomainId) {
+            return SwapSubscriberAndUpsert(byPath, notify.PathId, notify.Path);
         }
 
         SBC_LOG_D("ResolveCacheItemForNotify: subdomain case"
@@ -2169,58 +2169,58 @@ class TSchemeCache: public TMonitorableActor<TSchemeCache> {
                   << ", byPath# " << (byPath ? byPath->ToString() : "nullptr")
                   << ", byPathId# " << (byPathId ? byPathId->ToString() : "nullptr"));
 
-        if (byPath->GetDomainId() != notifyDomainId && notifyDomainId) { 
+        if (byPath->GetDomainId() != notifyDomainId && notifyDomainId) {
             SBC_LOG_D("ResolveCacheItemForNotify: recreation domain case"
-                << ": self# " << SelfId() 
-                << ", path# " << notify.Path 
-                << ", pathId# " << notify.PathId 
-                << ", byPath# " << (byPath ? byPath->ToString() : "nullptr") 
-                << ", byPathId# " << (byPathId ? byPathId->ToString() : "nullptr")); 
+                << ": self# " << SelfId()
+                << ", path# " << notify.Path
+                << ", pathId# " << notify.PathId
+                << ", byPath# " << (byPath ? byPath->ToString() : "nullptr")
+                << ", byPathId# " << (byPathId ? byPathId->ToString() : "nullptr"));
 
             if (byPath->GetPathId() < notify.PathId) {
-                return SwapSubscriberAndUpsert(byPath, notify.PathId, notify.Path); 
+                return SwapSubscriberAndUpsert(byPath, notify.PathId, notify.Path);
             }
- 
+
             return byPathId;
         }
 
         if (byPath->GetPathId() == notifyDomainId) { //Update from TSS, GSS->TSS
             if (byPath->GetAbandonedSchemeShardIds().contains(notify.PathId.OwnerId)) {
-                SBC_LOG_D("ResolveCacheItemForNotify: this is update from TSS, the update is ignored, present GSS reverted implicitly that TSS" 
-                    << ": self# " << SelfId() 
-                    << ", path# " << notify.Path 
-                    << ", pathId# " << notify.PathId); 
+                SBC_LOG_D("ResolveCacheItemForNotify: this is update from TSS, the update is ignored, present GSS reverted implicitly that TSS"
+                    << ": self# " << SelfId()
+                    << ", path# " << notify.Path
+                    << ", pathId# " << notify.PathId);
                 return byPathId;
             }
 
-            SBC_LOG_D("ResolveCacheItemForNotify: this is update from TSS, the update owerrides GSS by path" 
-                << ": self# " << SelfId() 
-                << ", path# " << notify.Path 
-                << ", pathId# " << notify.PathId); 
-            return SwapSubscriberAndUpsert(byPath, notify.PathId, notify.Path); 
+            SBC_LOG_D("ResolveCacheItemForNotify: this is update from TSS, the update owerrides GSS by path"
+                << ": self# " << SelfId()
+                << ", path# " << notify.Path
+                << ", pathId# " << notify.PathId);
+            return SwapSubscriberAndUpsert(byPath, notify.PathId, notify.Path);
         }
 
         if (byPath->GetDomainId() == notify.PathId) { //Update from GSS, TSS->GSS
             if (abandonedSchemeShardIds.contains(byPath->GetPathId().OwnerId)) { //GSS reverts TSS
-                SBC_LOG_D("ResolveCacheItemForNotify: this is update from GSS, the update owerrides TSS by path, GSS implicilty reverts that TSS" 
-                    << ": self# " << SelfId() 
-                    << ", path# " << notify.Path 
-                    << ", pathId# " << notify.PathId); 
-                return SwapSubscriberAndUpsert(byPath, notify.PathId, notify.Path); 
-            }
-
-            if (!notifyDomainId) { 
-                SBC_LOG_D("ResolveCacheItemForNotify: this is update from GSS that removes TSS" 
-                    << ": self# " << SelfId() 
-                    << ", path# " << notify.Path 
-                    << ", pathId# " << notify.PathId); 
-                return SwapSubscriberAndUpsert(byPath, notify.PathId, notify.Path); 
-            } 
- 
-            SBC_LOG_D("ResolveCacheItemForNotify: this is update from GSS, the update us ignored, TSS is prefered" 
-                << ": self# " << SelfId() 
-                << ", path# " << notify.Path 
-                << ", pathId# " << notify.PathId); 
+                SBC_LOG_D("ResolveCacheItemForNotify: this is update from GSS, the update owerrides TSS by path, GSS implicilty reverts that TSS"
+                    << ": self# " << SelfId()
+                    << ", path# " << notify.Path
+                    << ", pathId# " << notify.PathId);
+                return SwapSubscriberAndUpsert(byPath, notify.PathId, notify.Path);
+            }
+
+            if (!notifyDomainId) {
+                SBC_LOG_D("ResolveCacheItemForNotify: this is update from GSS that removes TSS"
+                    << ": self# " << SelfId()
+                    << ", path# " << notify.Path
+                    << ", pathId# " << notify.PathId);
+                return SwapSubscriberAndUpsert(byPath, notify.PathId, notify.Path);
+            }
+
+            SBC_LOG_D("ResolveCacheItemForNotify: this is update from GSS, the update us ignored, TSS is prefered"
+                << ": self# " << SelfId()
+                << ", path# " << notify.Path
+                << ", pathId# " << notify.PathId);
             return byPathId;
         }
 
@@ -2239,14 +2239,14 @@ class TSchemeCache: public TMonitorableActor<TSchemeCache> {
             return byPathId;
         }
 
-        if (!notifyDomainId) { 
+        if (!notifyDomainId) {
             SBC_LOG_D("ResolveCacheItemForNotify: path has gone, update only by pathId"
-                << ": self# " << SelfId() 
-                << ", path# " << notify.Path 
-                << ", pathId# " << notify.PathId); 
-            return byPathId; 
-        } 
- 
+                << ": self# " << SelfId()
+                << ", path# " << notify.Path
+                << ", pathId# " << notify.PathId);
+            return byPathId;
+        }
+
         Y_FAIL_S("Unknown update");
     }
 
@@ -2263,126 +2263,126 @@ class TSchemeCache: public TMonitorableActor<TSchemeCache> {
     }
 
     template <typename TEvent>
-    void HandleNotify(TEvent& ev) { 
-        const TResponseProps response = TResponseProps::FromEvent(ev); 
+    void HandleNotify(TEvent& ev) {
+        const TResponseProps response = TResponseProps::FromEvent(ev);
         auto& notify = *ev->Get();
 
-        SBC_LOG_D("HandleNotify" 
-            << ": self# " << SelfId() 
-            << ", notify# " << notify.ToString()); 
- 
+        SBC_LOG_D("HandleNotify"
+            << ": self# " << SelfId()
+            << ", notify# " << notify.ToString());
+
         if (notify.Path && notify.PathId) {
-            Y_VERIFY(!response.IsSync); 
+            Y_VERIFY(!response.IsSync);
         }
 
         TCacheItem* cacheItem = ResolveCacheItemForNotify(notify);
 
-        if (!cacheItem) { 
+        if (!cacheItem) {
             SBC_LOG_W("HandleNotify doesn't find any cacheItem for Fill"
-                << ": self# " << SelfId() 
-                << ", path# " << notify.Path 
-                << ", pathId# " << notify.PathId 
-                << ", isSync# " << response.IsSync); 
-            return; 
-        } 
- 
-        cacheItem->Fill(notify); 
- 
-        if (!response.IsSync && notify.PathId) { 
-            Y_VERIFY_S(cacheItem->GetPathId() == notify.PathId, "Inconsistent path ids" 
-                << ": cacheItem# " << cacheItem->ToString() 
-                << ", notification# " << notify.ToString()); 
-        } 
- 
-        for (const auto& x : cacheItem->ProcessInFlight(response)) { 
+                << ": self# " << SelfId()
+                << ", path# " << notify.Path
+                << ", pathId# " << notify.PathId
+                << ", isSync# " << response.IsSync);
+            return;
+        }
+
+        cacheItem->Fill(notify);
+
+        if (!response.IsSync && notify.PathId) {
+            Y_VERIFY_S(cacheItem->GetPathId() == notify.PathId, "Inconsistent path ids"
+                << ": cacheItem# " << cacheItem->ToString()
+                << ", notification# " << notify.ToString());
+        }
+
+        for (const auto& x : cacheItem->ProcessInFlight(response)) {
             if (auto* context = std::get_if<TNavigateContextPtr>(&x)) {
-                if (!context->Get()->WaitCounter) { 
-                    Complete(*context); 
-                } 
+                if (!context->Get()->WaitCounter) {
+                    Complete(*context);
+                }
             } else if (auto* context = std::get_if<TResolveContextPtr>(&x)) {
-                if (!context->Get()->WaitCounter) { 
-                    Complete(*context); 
-                } 
-            } else { 
-                Y_FAIL("unknown context type"); 
-            } 
-        } 
-    } 
- 
-    template <typename TEvent> 
-    bool MaybeRunDbResolver(TEvent& ev) { 
-        auto& request = ev->Get()->Request; 
- 
-        if (request->DomainOwnerId) { 
-            return false; 
-        } 
- 
-        if (!request->DatabaseName) { 
-            return false; 
-        } 
- 
-        const auto db = SplitPath(request->DatabaseName); 
-        if (db.empty()) { 
-            return false; 
-        } 
- 
-        const TString databaseName = CanonizePath(db); 
- 
-        TCacheItem* dbItem = Cache.FindPtr(databaseName); 
-        if (dbItem) { 
-            Cache.Promote(databaseName); 
-            if (dbItem->IsFilled()) { 
-                return false; 
-            } 
-        } 
- 
-        auto it = Roots.find(db.front()); 
-        if (it == Roots.end()) { 
-            return false; 
-        } 
- 
+                if (!context->Get()->WaitCounter) {
+                    Complete(*context);
+                }
+            } else {
+                Y_FAIL("unknown context type");
+            }
+        }
+    }
+
+    template <typename TEvent>
+    bool MaybeRunDbResolver(TEvent& ev) {
+        auto& request = ev->Get()->Request;
+
+        if (request->DomainOwnerId) {
+            return false;
+        }
+
+        if (!request->DatabaseName) {
+            return false;
+        }
+
+        const auto db = SplitPath(request->DatabaseName);
+        if (db.empty()) {
+            return false;
+        }
+
+        const TString databaseName = CanonizePath(db);
+
+        TCacheItem* dbItem = Cache.FindPtr(databaseName);
+        if (dbItem) {
+            Cache.Promote(databaseName);
+            if (dbItem->IsFilled()) {
+                return false;
+            }
+        }
+
+        auto it = Roots.find(db.front());
+        if (it == Roots.end()) {
+            return false;
+        }
+
         Register(CreateDbResolver(SelfId(), ev->Sender, THolder(request.Release()), it->second));
-        return true; 
-    } 
- 
-    template <typename TContextPtr> 
-    void MaybeComplete(TContextPtr context) { 
-        Counters.StartRequest( 
-            context->Request->ResultSet.size(), 
-            context->WaitCounter, 
-            Accumulate(context->Request->ResultSet, 0, [](ui64 sum, const auto& entry) { 
-                return sum + ui64(entry.SyncVersion); 
-            }) 
-        ); 
- 
-        if (!context->WaitCounter) { 
-            Complete(context); 
-        } 
-    } 
- 
-    template <typename TContextPtr> 
-    void Complete(TContextPtr context) { 
-        Counters.FinishRequest(Now() - context->CreatedAt); 
-        Register(CreateAclChecker(context)); 
-    } 
- 
-    void Handle(TEvTxProxySchemeCache::TEvNavigateKeySet::TPtr& ev) { 
-        SBC_LOG_D("Handle TEvTxProxySchemeCache::TEvNavigateKeySet" 
-            << ": self# " << SelfId() 
+        return true;
+    }
+
+    template <typename TContextPtr>
+    void MaybeComplete(TContextPtr context) {
+        Counters.StartRequest(
+            context->Request->ResultSet.size(),
+            context->WaitCounter,
+            Accumulate(context->Request->ResultSet, 0, [](ui64 sum, const auto& entry) {
+                return sum + ui64(entry.SyncVersion);
+            })
+        );
+
+        if (!context->WaitCounter) {
+            Complete(context);
+        }
+    }
+
+    template <typename TContextPtr>
+    void Complete(TContextPtr context) {
+        Counters.FinishRequest(Now() - context->CreatedAt);
+        Register(CreateAclChecker(context));
+    }
+
+    void Handle(TEvTxProxySchemeCache::TEvNavigateKeySet::TPtr& ev) {
+        SBC_LOG_D("Handle TEvTxProxySchemeCache::TEvNavigateKeySet"
+            << ": self# " << SelfId()
             << ", request# " << ev->Get()->Request->ToString(*AppData()->TypeRegistry));
- 
-        if (MaybeRunDbResolver(ev)) { 
-            return; 
-        } 
- 
-        TIntrusivePtr<TNavigateContext> context(new TNavigateContext(ev->Sender, ev->Get()->Request, Now())); 
+
+        if (MaybeRunDbResolver(ev)) {
+            return;
+        }
+
+        TIntrusivePtr<TNavigateContext> context(new TNavigateContext(ev->Sender, ev->Get()->Request, Now()));
 
         for (size_t i = 0; i < context->Request->ResultSet.size(); ++i) {
             auto& entry = context->Request->ResultSet[i];
- 
+
             if (entry.RequestType == TNavigate::TEntry::ERequestType::ByPath) {
                 auto pathExtractor = [this](TNavigate::TEntry& entry) {
-                    if (AppData()->FeatureFlags.GetEnableSystemViews() 
+                    if (AppData()->FeatureFlags.GetEnableSystemViews()
                         && (entry.Operation == TNavigate::OpPath || entry.Operation == TNavigate::OpTable))
                     {
                         NSysView::ISystemViewResolver::TSystemViewPath sysViewPath;
@@ -2391,7 +2391,7 @@ class TSchemeCache: public TMonitorableActor<TSchemeCache> {
                             return CanonizePath(sysViewPath.Parent);
                         }
                     }
- 
+
                     TString path = CanonizePath(entry.Path);
                     return path ? path : TString("/");
                 };
@@ -2420,47 +2420,47 @@ class TSchemeCache: public TMonitorableActor<TSchemeCache> {
                 };
 
                 HandleEntry(context, entry, i, pathExtractor, tabletIdExtractor);
-            } 
-        }
- 
-        MaybeComplete(context); 
-    } 
- 
-    void Handle(TEvTxProxySchemeCache::TEvResolveKeySet::TPtr& ev) { 
-        SBC_LOG_D("Handle TEvTxProxySchemeCache::TEvResolveKeySet" 
-            << ": self# " << SelfId() 
-            << ", request# " << ev->Get()->Request->ToString(*AppData()->TypeRegistry)); 
- 
-        if (MaybeRunDbResolver(ev)) { 
-            return; 
-        } 
- 
-        TIntrusivePtr<TResolveContext> context(new TResolveContext(ev->Sender, ev->Get()->Request, Now())); 
-
-        auto pathExtractor = [](const TResolve::TEntry& entry) { 
-            const TKeyDesc* keyDesc = entry.KeyDescription.Get(); 
-            Y_VERIFY(keyDesc != nullptr); 
+            }
+        }
+
+        MaybeComplete(context);
+    }
+
+    void Handle(TEvTxProxySchemeCache::TEvResolveKeySet::TPtr& ev) {
+        SBC_LOG_D("Handle TEvTxProxySchemeCache::TEvResolveKeySet"
+            << ": self# " << SelfId()
+            << ", request# " << ev->Get()->Request->ToString(*AppData()->TypeRegistry));
+
+        if (MaybeRunDbResolver(ev)) {
+            return;
+        }
+
+        TIntrusivePtr<TResolveContext> context(new TResolveContext(ev->Sender, ev->Get()->Request, Now()));
+
+        auto pathExtractor = [](const TResolve::TEntry& entry) {
+            const TKeyDesc* keyDesc = entry.KeyDescription.Get();
+            Y_VERIFY(keyDesc != nullptr);
             return TPathId(keyDesc->TableId.PathId);
-        }; 
- 
-        auto tabletIdExtractor = [](const TResolve::TEntry& entry) { 
+        };
+
+        auto tabletIdExtractor = [](const TResolve::TEntry& entry) {
             return entry.KeyDescription->TableId.PathId.OwnerId;
-        }; 
- 
+        };
+
         for (size_t i = 0; i < context->Request->ResultSet.size(); ++i) {
             auto& entry = context->Request->ResultSet[i];
             HandleEntry(context, entry, i, pathExtractor, tabletIdExtractor);
         }
 
-        MaybeComplete(context); 
-    } 
- 
-    void Handle(TEvTxProxySchemeCache::TEvInvalidateTable::TPtr& ev) { 
-        SBC_LOG_D("Handle TEvTxProxySchemeCache::TEvInvalidateTable" 
-            << ": self# " << SelfId()); 
-        Send(ev->Sender, new TEvTxProxySchemeCache::TEvInvalidateTableResult(ev->Get()->Sender)); 
-    } 
- 
+        MaybeComplete(context);
+    }
+
+    void Handle(TEvTxProxySchemeCache::TEvInvalidateTable::TPtr& ev) {
+        SBC_LOG_D("Handle TEvTxProxySchemeCache::TEvInvalidateTable"
+            << ": self# " << SelfId());
+        Send(ev->Sender, new TEvTxProxySchemeCache::TEvInvalidateTableResult(ev->Get()->Sender));
+    }
+
     TActorId EnsureWatchCache() {
         if (!WatchCache) {
             WatchCache = Register(new TWatchCache());
@@ -2480,114 +2480,114 @@ class TSchemeCache: public TMonitorableActor<TSchemeCache> {
         TActivationContext::Send(ev.Release());
     }
 
-    void Handle(TSchemeBoardMonEvents::TEvInfoRequest::TPtr& ev) { 
-        auto response = MakeHolder<TSchemeBoardMonEvents::TEvInfoResponse>(SelfId(), ActorActivityType()); 
-        auto& record = *response->Record.MutableCacheResponse(); 
- 
-        record.SetItemsTotalCount(Cache.Size()); 
-        record.SetItemsByPathCount(Cache.GetPrimaryIndex().size()); 
-        record.SetItemsByPathIdCount(Cache.GetSecondaryIndex().size()); 
- 
-        Send(ev->Sender, std::move(response), 0, ev->Cookie); 
-    } 
- 
-    void Handle(TSchemeBoardMonEvents::TEvDescribeRequest::TPtr& ev) { 
-        const auto& record = ev->Get()->Record; 
- 
-        TCacheItem* desc = nullptr; 
-        if (record.HasPath()) { 
-            desc = Cache.FindPtr(record.GetPath()); 
-        } else if (record.HasPathId()) { 
-            desc = Cache.FindPtr(TPathId(record.GetPathId().GetOwnerId(), record.GetPathId().GetLocalPathId())); 
-        } 
- 
-        Send(ev->Sender, new TSchemeBoardMonEvents::TEvDescribeResponse(desc ? desc->ToJsonString() : "{}"), 0, ev->Cookie); 
-    } 
- 
-    void ShrinkCache() { 
-        if (Cache.Shrink()) { 
-            Send(SelfId(), new TEvents::TEvWakeup()); 
-        } else { 
-            Schedule(TDuration::Seconds(1), new TEvents::TEvWakeup()); 
-        } 
-    } 
- 
-    void PassAway() override { 
-        auto evicter = [](const auto& index) { 
-            for (auto it = index.begin(); it != index.end(); ++it) { 
-                it->second->Value.OnEvict(); 
-            } 
-        }; 
- 
-        evicter(Cache.GetPrimaryIndex()); 
-        evicter(Cache.GetSecondaryIndex()); 
- 
+    void Handle(TSchemeBoardMonEvents::TEvInfoRequest::TPtr& ev) {
+        auto response = MakeHolder<TSchemeBoardMonEvents::TEvInfoResponse>(SelfId(), ActorActivityType());
+        auto& record = *response->Record.MutableCacheResponse();
+
+        record.SetItemsTotalCount(Cache.Size());
+        record.SetItemsByPathCount(Cache.GetPrimaryIndex().size());
+        record.SetItemsByPathIdCount(Cache.GetSecondaryIndex().size());
+
+        Send(ev->Sender, std::move(response), 0, ev->Cookie);
+    }
+
+    void Handle(TSchemeBoardMonEvents::TEvDescribeRequest::TPtr& ev) {
+        const auto& record = ev->Get()->Record;
+
+        TCacheItem* desc = nullptr;
+        if (record.HasPath()) {
+            desc = Cache.FindPtr(record.GetPath());
+        } else if (record.HasPathId()) {
+            desc = Cache.FindPtr(TPathId(record.GetPathId().GetOwnerId(), record.GetPathId().GetLocalPathId()));
+        }
+
+        Send(ev->Sender, new TSchemeBoardMonEvents::TEvDescribeResponse(desc ? desc->ToJsonString() : "{}"), 0, ev->Cookie);
+    }
+
+    void ShrinkCache() {
+        if (Cache.Shrink()) {
+            Send(SelfId(), new TEvents::TEvWakeup());
+        } else {
+            Schedule(TDuration::Seconds(1), new TEvents::TEvWakeup());
+        }
+    }
+
+    void PassAway() override {
+        auto evicter = [](const auto& index) {
+            for (auto it = index.begin(); it != index.end(); ++it) {
+                it->second->Value.OnEvict();
+            }
+        };
+
+        evicter(Cache.GetPrimaryIndex());
+        evicter(Cache.GetSecondaryIndex());
+
         if (WatchCache) {
             Send(WatchCache, new TEvents::TEvPoison);
             WatchCache = { };
         }
 
-        TMonitorableActor::PassAway(); 
-    } 
- 
-public: 
+        TMonitorableActor::PassAway();
+    }
+
+public:
     static constexpr NKikimrServices::TActivity::EType ActorActivityType() {
         return NKikimrServices::TActivity::PROXY_SCHEME_CACHE;
-    } 
- 
-    TSchemeCache(NSchemeCache::TSchemeCacheConfig* config) 
-        : Counters(config->Counters) 
-        , Cache(TDuration::Minutes(2), TThis::Now) 
+    }
+
+    TSchemeCache(NSchemeCache::TSchemeCacheConfig* config)
+        : Counters(config->Counters)
+        , Cache(TDuration::Minutes(2), TThis::Now)
         , SystemViewResolver(NSysView::CreateSystemViewResolver())
-    { 
-        for (const auto& root : config->Roots) { 
-            Roots.emplace(root.Name, root.RootSchemeShard); 
-        } 
-    } 
- 
-    void Bootstrap() { 
-        TMonitorableActor::Bootstrap(); 
- 
-        Become(&TThis::StateWork); 
-        ShrinkCache(); 
-    } 
- 
-    STATEFN(StateWork) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvTxProxySchemeCache::TEvNavigateKeySet, Handle); 
-            hFunc(TEvTxProxySchemeCache::TEvResolveKeySet, Handle); 
-            hFunc(TEvTxProxySchemeCache::TEvInvalidateTable, Handle); 
- 
+    {
+        for (const auto& root : config->Roots) {
+            Roots.emplace(root.Name, root.RootSchemeShard);
+        }
+    }
+
+    void Bootstrap() {
+        TMonitorableActor::Bootstrap();
+
+        Become(&TThis::StateWork);
+        ShrinkCache();
+    }
+
+    STATEFN(StateWork) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvTxProxySchemeCache::TEvNavigateKeySet, Handle);
+            hFunc(TEvTxProxySchemeCache::TEvResolveKeySet, Handle);
+            hFunc(TEvTxProxySchemeCache::TEvInvalidateTable, Handle);
+
             hFunc(TEvTxProxySchemeCache::TEvWatchPathId, Handle);
             hFunc(TEvTxProxySchemeCache::TEvWatchRemove, Handle);
 
-            hFunc(TSchemeBoardEvents::TEvNotifyUpdate, HandleNotify); 
-            hFunc(TSchemeBoardEvents::TEvNotifyDelete, HandleNotify); 
-            hFunc(TSchemeBoardEvents::TEvSyncResponse, HandleNotify); 
- 
-            hFunc(TSchemeBoardMonEvents::TEvInfoRequest, Handle); 
-            hFunc(TSchemeBoardMonEvents::TEvDescribeRequest, Handle); 
- 
-            sFunc(TEvents::TEvWakeup, ShrinkCache); 
-            sFunc(TEvents::TEvPoison, PassAway); 
-        } 
-    } 
- 
-private: 
-    THashMap<TString, ui64> Roots; 
-    TCounters Counters; 
- 
-    TDoubleIndexedCache<TString, TPathId, TCacheItem, TMerger, TEvicter> Cache; 
+            hFunc(TSchemeBoardEvents::TEvNotifyUpdate, HandleNotify);
+            hFunc(TSchemeBoardEvents::TEvNotifyDelete, HandleNotify);
+            hFunc(TSchemeBoardEvents::TEvSyncResponse, HandleNotify);
+
+            hFunc(TSchemeBoardMonEvents::TEvInfoRequest, Handle);
+            hFunc(TSchemeBoardMonEvents::TEvDescribeRequest, Handle);
+
+            sFunc(TEvents::TEvWakeup, ShrinkCache);
+            sFunc(TEvents::TEvPoison, PassAway);
+        }
+    }
+
+private:
+    THashMap<TString, ui64> Roots;
+    TCounters Counters;
+
+    TDoubleIndexedCache<TString, TPathId, TCacheItem, TMerger, TEvicter> Cache;
     THolder<NSysView::ISystemViewResolver> SystemViewResolver;
- 
+
     TActorId WatchCache;
 
-}; // TSchemeCache 
- 
-} // NSchemeBoard 
- 
-IActor* CreateSchemeBoardSchemeCache(NSchemeCache::TSchemeCacheConfig* config) { 
-    return new NSchemeBoard::TSchemeCache(config); 
-} 
- 
-} // NKikimr 
+}; // TSchemeCache
+
+} // NSchemeBoard
+
+IActor* CreateSchemeBoardSchemeCache(NSchemeCache::TSchemeCacheConfig* config) {
+    return new NSchemeBoard::TSchemeCache(config);
+}
+
+} // NKikimr
diff --git a/ydb/core/tx/scheme_board/cache.h b/ydb/core/tx/scheme_board/cache.h
index 0c475acca6..f40899569d 100644
--- a/ydb/core/tx/scheme_board/cache.h
+++ b/ydb/core/tx/scheme_board/cache.h
@@ -1,11 +1,11 @@
-#pragma once 
- 
-#include "defs.h" 
- 
+#pragma once
+
+#include "defs.h"
+
 #include <ydb/core/tx/scheme_cache/scheme_cache.h>
- 
-namespace NKikimr { 
- 
-IActor* CreateSchemeBoardSchemeCache(NSchemeCache::TSchemeCacheConfig* config); 
- 
-} // NKikimr 
+
+namespace NKikimr {
+
+IActor* CreateSchemeBoardSchemeCache(NSchemeCache::TSchemeCacheConfig* config);
+
+} // NKikimr
diff --git a/ydb/core/tx/scheme_board/cache_ut.cpp b/ydb/core/tx/scheme_board/cache_ut.cpp
index 5d7ac200e6..c27b3517b3 100644
--- a/ydb/core/tx/scheme_board/cache_ut.cpp
+++ b/ydb/core/tx/scheme_board/cache_ut.cpp
@@ -1,35 +1,35 @@
-#include "cache.h" 
-#include "ut_helpers.h" 
- 
+#include "cache.h"
+#include "ut_helpers.h"
+
 #include <ydb/core/base/counters.h>
 #include <ydb/core/base/tablet_types.h>
 #include <ydb/core/tx/scheme_cache/scheme_cache.h>
 #include <ydb/core/tx/schemeshard/ut_helpers/helpers.h>
- 
+
 #include <library/cpp/testing/unittest/registar.h>
- 
-#include <util/generic/ptr.h> 
-#include <util/generic/string.h> 
-#include <util/generic/vector.h> 
- 
-namespace NKikimr { 
-namespace NSchemeBoard { 
- 
-using namespace NSchemeShardUT_Private; 
-using TConfig = NSchemeCache::TSchemeCacheConfig; 
-using TNavigate = NSchemeCache::TSchemeCacheNavigate; 
-using TResolve = NSchemeCache::TSchemeCacheRequest; 
- 
-class TCacheTest: public TTestWithSchemeshard { 
-public: 
-    void SetUp() override { 
-        TTestWithSchemeshard::SetUp(); 
- 
-        TIntrusivePtr<TConfig> config = new TConfig(); 
-        config->Counters = new NMonitoring::TDynamicCounters; 
+
+#include <util/generic/ptr.h>
+#include <util/generic/string.h>
+#include <util/generic/vector.h>
+
+namespace NKikimr {
+namespace NSchemeBoard {
+
+using namespace NSchemeShardUT_Private;
+using TConfig = NSchemeCache::TSchemeCacheConfig;
+using TNavigate = NSchemeCache::TSchemeCacheNavigate;
+using TResolve = NSchemeCache::TSchemeCacheRequest;
+
+class TCacheTest: public TTestWithSchemeshard {
+public:
+    void SetUp() override {
+        TTestWithSchemeshard::SetUp();
+
+        TIntrusivePtr<TConfig> config = new TConfig();
+        config->Counters = new NMonitoring::TDynamicCounters;
         config->Roots.push_back(TConfig::TTagEntry(0, TTestTxConfig::SchemeShard, "Root"));
-        SchemeCache = Context->Register(CreateSchemeBoardSchemeCache(config.Get())); 
-        Context->EnableScheduleForActor(SchemeCache, true); 
+        SchemeCache = Context->Register(CreateSchemeBoardSchemeCache(config.Get()));
+        Context->EnableScheduleForActor(SchemeCache, true);
 
         TestAlterSubDomain(*Context, 1, "/",
                              "StoragePools { "
@@ -37,16 +37,16 @@ public:
                              "  Kind: \"pool-kind-1\" "
                              "} "
                              " Name: \"Root\" ");
-    } 
- 
-    UNIT_TEST_SUITE(TCacheTest); 
-    UNIT_TEST(Navigate); 
-    UNIT_TEST(Attributes); 
-    UNIT_TEST(List); 
-    UNIT_TEST(Recreate); 
-    UNIT_TEST(RacyRecreateAndSync); 
-    UNIT_TEST(RacyCreateAndSync); 
-    UNIT_TEST(CheckAccess); 
+    }
+
+    UNIT_TEST_SUITE(TCacheTest);
+    UNIT_TEST(Navigate);
+    UNIT_TEST(Attributes);
+    UNIT_TEST(List);
+    UNIT_TEST(Recreate);
+    UNIT_TEST(RacyRecreateAndSync);
+    UNIT_TEST(RacyCreateAndSync);
+    UNIT_TEST(CheckAccess);
     UNIT_TEST(CheckSystemViewAccess);
     UNIT_TEST(SystemView);
     UNIT_TEST(SysLocks);
@@ -57,15 +57,15 @@ public:
     UNIT_TEST(MigrationUndo);
     UNIT_TEST(MigrationDeletedPathNavigate);
     UNIT_TEST(WatchRoot);
-    UNIT_TEST_SUITE_END(); 
- 
-    void Navigate(); 
-    void Attributes(); 
-    void List(); 
-    void Recreate(); 
-    void RacyRecreateAndSync(); 
-    void RacyCreateAndSync(); 
-    void CheckAccess(); 
+    UNIT_TEST_SUITE_END();
+
+    void Navigate();
+    void Attributes();
+    void List();
+    void Recreate();
+    void RacyRecreateAndSync();
+    void RacyCreateAndSync();
+    void CheckAccess();
     void CheckSystemViewAccess();
     void SystemView();
     void SysLocks();
@@ -76,38 +76,38 @@ public:
     void MigrationUndo();
     void MigrationDeletedPathNavigate();
     void WatchRoot();
- 
-protected: 
+
+protected:
     TNavigate::TEntry TestNavigateImpl(THolder<TNavigate> request, TNavigate::EStatus expectedStatus,
-        const TString& sid, TNavigate::EOp op, bool showPrivatePath, bool redirectRequired); 
+        const TString& sid, TNavigate::EOp op, bool showPrivatePath, bool redirectRequired);
+
+    TNavigate::TEntry TestNavigate(const TString& path, TNavigate::EStatus expectedStatus = TNavigate::EStatus::Ok,
+        const TString& sid = TString(), TNavigate::EOp op = TNavigate::EOp::OpPath,
+        bool showPrivatePath = false, bool redirectRequired = true, bool syncVersion = false);
 
-    TNavigate::TEntry TestNavigate(const TString& path, TNavigate::EStatus expectedStatus = TNavigate::EStatus::Ok, 
-        const TString& sid = TString(), TNavigate::EOp op = TNavigate::EOp::OpPath, 
-        bool showPrivatePath = false, bool redirectRequired = true, bool syncVersion = false); 
- 
     TNavigate::TEntry TestNavigateByTableId(const TTableId& tableId, TNavigate::EStatus expectedStatus,
         const TString& expectedPath, const TString& sid = TString(),
-        TNavigate::EOp op = TNavigate::EOp::OpPath, bool showPrivatePath = false); 
+        TNavigate::EOp op = TNavigate::EOp::OpPath, bool showPrivatePath = false);
 
     TResolve::TEntry TestResolve(const TTableId& tableId, TResolve::EStatus expectedStatus = TResolve::EStatus::OkData,
-        const TString& sid = TString()); 
- 
+        const TString& sid = TString());
+
     TActorId TestWatch(const TPathId& pathId, const TActorId& watcher = {}, ui64 key = 0);
     void TestWatchRemove(const TActorId& watcher, ui64 key = 0);
-    NSchemeCache::TDescribeResult::TCPtr ExpectWatchUpdated(const TActorId& watcher, const TString& expectedPath = {}); 
+    NSchemeCache::TDescribeResult::TCPtr ExpectWatchUpdated(const TActorId& watcher, const TString& expectedPath = {});
     TPathId ExpectWatchDeleted(const TActorId& watcher);
 
     void CreateAndMigrateWithoutDecision(ui64& txId);
 
-private: 
+private:
     TActorId SchemeCache;
- 
-}; // TCacheTest 
- 
-UNIT_TEST_SUITE_REGISTRATION(TCacheTest); 
- 
-void TCacheTest::Navigate() { 
-    TestNavigate("/Root", TNavigate::EStatus::Ok); 
+
+}; // TCacheTest
+
+UNIT_TEST_SUITE_REGISTRATION(TCacheTest);
+
+void TCacheTest::Navigate() {
+    TestNavigate("/Root", TNavigate::EStatus::Ok);
 
     ui64 txId = 100;
 
@@ -117,182 +117,182 @@ void TCacheTest::Navigate() {
     auto entry = TestNavigate("/Root/DirA", TNavigate::EStatus::Ok);
 
     TestNavigateByTableId(entry.TableId, TNavigate::EStatus::Ok, "/Root/DirA");
-    TestNavigateByTableId(TTableId(1ull << 56, 1), TNavigate::EStatus::RootUnknown, ""); 
-} 
- 
-void TCacheTest::Attributes() { 
+    TestNavigateByTableId(TTableId(1ull << 56, 1), TNavigate::EStatus::RootUnknown, "");
+}
+
+void TCacheTest::Attributes() {
     NKikimrSchemeOp::TAlterUserAttributes attrs;
-    auto& attr = *attrs.AddUserAttributes(); 
-    attr.SetKey("key"); 
-    attr.SetValue("value"); 
- 
-    ui64 txId = 100; 
+    auto& attr = *attrs.AddUserAttributes();
+    attr.SetKey("key");
+    attr.SetValue("value");
+
+    ui64 txId = 100;
     TestMkDir(*Context, ++txId, "/Root", "DirA", {NKikimrScheme::StatusAccepted}, attrs);
     TestWaitNotification(*Context, {txId}, CreateNotificationSubscriber(*Context, TTestTxConfig::SchemeShard));
- 
-    auto entry = TestNavigate("/Root/DirA", TNavigate::EStatus::Ok); 
-    UNIT_ASSERT_VALUES_EQUAL(entry.Attributes.size(), 1); 
-    UNIT_ASSERT(entry.Attributes.contains("key")); 
-    UNIT_ASSERT_VALUES_EQUAL(entry.Attributes["key"], "value"); 
-} 
- 
-void TCacheTest::List() { 
-    ui64 txId = 100; 
- 
-    TestMkDir(*Context, ++txId, "/Root", "DirA"); 
-    TestMkDir(*Context, ++txId, "/Root/DirA", "DirB"); 
-    TestMkDir(*Context, ++txId, "/Root/DirA", "DirC"); 
+
+    auto entry = TestNavigate("/Root/DirA", TNavigate::EStatus::Ok);
+    UNIT_ASSERT_VALUES_EQUAL(entry.Attributes.size(), 1);
+    UNIT_ASSERT(entry.Attributes.contains("key"));
+    UNIT_ASSERT_VALUES_EQUAL(entry.Attributes["key"], "value");
+}
+
+void TCacheTest::List() {
+    ui64 txId = 100;
+
+    TestMkDir(*Context, ++txId, "/Root", "DirA");
+    TestMkDir(*Context, ++txId, "/Root/DirA", "DirB");
+    TestMkDir(*Context, ++txId, "/Root/DirA", "DirC");
     TestWaitNotification(*Context, {txId - 2, txId - 1, txId}, CreateNotificationSubscriber(*Context, TTestTxConfig::SchemeShard));
- 
-    { 
-        auto entry = TestNavigate("/Root/DirA", TNavigate::EStatus::Ok); 
-        UNIT_ASSERT(!entry.ListNodeEntry); 
-    } 
-    { 
-        auto entry = TestNavigate("/Root/DirA", TNavigate::EStatus::Ok, TString(), TNavigate::OpList); 
-        UNIT_ASSERT(entry.ListNodeEntry); 
-        UNIT_ASSERT_VALUES_EQUAL(entry.ListNodeEntry->Children.size(), 2); 
-    } 
-} 
- 
-void TCacheTest::Recreate() { 
+
+    {
+        auto entry = TestNavigate("/Root/DirA", TNavigate::EStatus::Ok);
+        UNIT_ASSERT(!entry.ListNodeEntry);
+    }
+    {
+        auto entry = TestNavigate("/Root/DirA", TNavigate::EStatus::Ok, TString(), TNavigate::OpList);
+        UNIT_ASSERT(entry.ListNodeEntry);
+        UNIT_ASSERT_VALUES_EQUAL(entry.ListNodeEntry->Children.size(), 2);
+    }
+}
+
+void TCacheTest::Recreate() {
     const TActorId edge = Context->AllocateEdgeActor();
-    ui64 txId = 100; 
- 
-    TestMkDir(*Context, ++txId, "/Root", "DirA"); 
+    ui64 txId = 100;
+
+    TestMkDir(*Context, ++txId, "/Root", "DirA");
     TestWaitNotification(*Context, {txId}, CreateNotificationSubscriber(*Context, TTestTxConfig::SchemeShard));
-    Context->CreateSubscriber<TSchemeBoardEvents::TEvNotifyUpdate>(edge, "/Root/DirA"); 
- 
-    TestRmDir(*Context, ++txId, "/Root", "DirA"); 
+    Context->CreateSubscriber<TSchemeBoardEvents::TEvNotifyUpdate>(edge, "/Root/DirA");
+
+    TestRmDir(*Context, ++txId, "/Root", "DirA");
     TestWaitNotification(*Context, {txId}, CreateNotificationSubscriber(*Context, TTestTxConfig::SchemeShard));
-    auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotifyDelete>(edge); 
+    auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotifyDelete>(edge);
     auto pathId = ev->Get()->PathId;
     TTableId tableId(pathId.OwnerId, pathId.LocalPathId);
     TestResolve(tableId, TResolve::EStatus::PathErrorNotExist);
- 
-    TestMkDir(*Context, ++txId, "/Root", "DirA"); 
+
+    TestMkDir(*Context, ++txId, "/Root", "DirA");
     TestWaitNotification(*Context, {txId}, CreateNotificationSubscriber(*Context, TTestTxConfig::SchemeShard));
-    Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotifyUpdate>(edge); 
-    TestNavigate("/Root/DirA", TNavigate::EStatus::Ok); 
-} 
- 
-void TCacheTest::RacyCreateAndSync() { 
-    THolder<IEventHandle> delayedSyncRequest; 
-    auto prevObserver = Context->SetObserverFunc([&](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) { 
-        switch (ev->GetTypeRewrite()) { 
-        case TSchemeBoardEvents::EvSyncRequest: 
-            delayedSyncRequest.Reset(ev.Release()); 
-            return TTestActorRuntime::EEventAction::DROP; 
-        default: 
-            return TTestActorRuntime::EEventAction::PROCESS; 
-        } 
-    }); 
- 
-    TNavigate::TEntry entry; 
-    entry.Path = SplitPath("/Root/DirA"); 
-    entry.SyncVersion = true; 
-    entry.Operation = TNavigate::OpPath; 
- 
-    auto request = MakeHolder<TNavigate>(); 
-    request->ResultSet.push_back(entry); 
- 
-    const TActorId edge = Context->AllocateEdgeActor(); 
-    Context->Send(SchemeCache, edge, new TEvTxProxySchemeCache::TEvNavigateKeySet(request.Release()), 0, 0, 0, true); 
- 
-    if (!delayedSyncRequest) { 
-        TDispatchOptions opts; 
-        opts.FinalEvents.emplace_back([&delayedSyncRequest](IEventHandle&) -> bool { 
-            return bool(delayedSyncRequest); 
-        }); 
-        Context->DispatchEvents(opts); 
-    } 
- 
-    Context->SetObserverFunc(prevObserver); 
- 
-    ui64 txId = 100; 
-    TestMkDir(*Context, ++txId, "/Root", "DirA"); 
+    Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotifyUpdate>(edge);
+    TestNavigate("/Root/DirA", TNavigate::EStatus::Ok);
+}
+
+void TCacheTest::RacyCreateAndSync() {
+    THolder<IEventHandle> delayedSyncRequest;
+    auto prevObserver = Context->SetObserverFunc([&](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) {
+        switch (ev->GetTypeRewrite()) {
+        case TSchemeBoardEvents::EvSyncRequest:
+            delayedSyncRequest.Reset(ev.Release());
+            return TTestActorRuntime::EEventAction::DROP;
+        default:
+            return TTestActorRuntime::EEventAction::PROCESS;
+        }
+    });
+
+    TNavigate::TEntry entry;
+    entry.Path = SplitPath("/Root/DirA");
+    entry.SyncVersion = true;
+    entry.Operation = TNavigate::OpPath;
+
+    auto request = MakeHolder<TNavigate>();
+    request->ResultSet.push_back(entry);
+
+    const TActorId edge = Context->AllocateEdgeActor();
+    Context->Send(SchemeCache, edge, new TEvTxProxySchemeCache::TEvNavigateKeySet(request.Release()), 0, 0, 0, true);
+
+    if (!delayedSyncRequest) {
+        TDispatchOptions opts;
+        opts.FinalEvents.emplace_back([&delayedSyncRequest](IEventHandle&) -> bool {
+            return bool(delayedSyncRequest);
+        });
+        Context->DispatchEvents(opts);
+    }
+
+    Context->SetObserverFunc(prevObserver);
+
+    ui64 txId = 100;
+    TestMkDir(*Context, ++txId, "/Root", "DirA");
     TestWaitNotification(*Context, {txId}, CreateNotificationSubscriber(*Context, TTestTxConfig::SchemeShard));
- 
-    Context->TTestBasicRuntime::Send(delayedSyncRequest.Release(), 0, true); 
-    auto ev = Context->GrabEdgeEvent<TEvTxProxySchemeCache::TEvNavigateKeySetResult>(edge); 
- 
-    UNIT_ASSERT(ev->Get()); 
-    UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Request->ErrorCount, 0); 
-} 
- 
-void TCacheTest::RacyRecreateAndSync() { 
-    ui64 txId = 100; 
- 
-    TestMkDir(*Context, ++txId, "/Root", "DirA"); 
+
+    Context->TTestBasicRuntime::Send(delayedSyncRequest.Release(), 0, true);
+    auto ev = Context->GrabEdgeEvent<TEvTxProxySchemeCache::TEvNavigateKeySetResult>(edge);
+
+    UNIT_ASSERT(ev->Get());
+    UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Request->ErrorCount, 0);
+}
+
+void TCacheTest::RacyRecreateAndSync() {
+    ui64 txId = 100;
+
+    TestMkDir(*Context, ++txId, "/Root", "DirA");
     TestWaitNotification(*Context, {txId}, CreateNotificationSubscriber(*Context, TTestTxConfig::SchemeShard));
-    TestNavigate("/Root/DirA", TNavigate::EStatus::Ok, "", TNavigate::EOp::OpPath, false, true, true); 
- 
-    TestRmDir(*Context, ++txId, "/Root", "DirA"); 
+    TestNavigate("/Root/DirA", TNavigate::EStatus::Ok, "", TNavigate::EOp::OpPath, false, true, true);
+
+    TestRmDir(*Context, ++txId, "/Root", "DirA");
     TestWaitNotification(*Context, {txId}, CreateNotificationSubscriber(*Context, TTestTxConfig::SchemeShard));
-    TestNavigate("/Root/DirA", TNavigate::EStatus::PathErrorUnknown, "", TNavigate::EOp::OpPath, false, true, true); 
- 
-    THolder<IEventHandle> delayedSyncRequest; 
-    auto prevObserver = Context->SetObserverFunc([&](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) { 
-        switch (ev->GetTypeRewrite()) { 
-        case TSchemeBoardEvents::EvSyncRequest: 
-            delayedSyncRequest.Reset(ev.Release()); 
-            return TTestActorRuntime::EEventAction::DROP; 
-        default: 
-            return TTestActorRuntime::EEventAction::PROCESS; 
-        } 
-    }); 
- 
-    TNavigate::TEntry entry; 
-    entry.Path = SplitPath("/Root/DirA"); 
-    entry.SyncVersion = true; 
-    entry.Operation = TNavigate::OpPath; 
- 
-    auto request = MakeHolder<TNavigate>(); 
-    request->ResultSet.push_back(entry); 
- 
-    const TActorId edge = Context->AllocateEdgeActor(); 
-    Context->Send(SchemeCache, edge, new TEvTxProxySchemeCache::TEvNavigateKeySet(request.Release()), 0, 0, 0, true); 
- 
-    if (!delayedSyncRequest) { 
-        TDispatchOptions opts; 
-        opts.FinalEvents.emplace_back([&delayedSyncRequest](IEventHandle&) -> bool { 
-            return bool(delayedSyncRequest); 
-        }); 
-        Context->DispatchEvents(opts); 
-    } 
- 
-    Context->SetObserverFunc(prevObserver); 
- 
-    TestMkDir(*Context, ++txId, "/Root", "DirA"); 
+    TestNavigate("/Root/DirA", TNavigate::EStatus::PathErrorUnknown, "", TNavigate::EOp::OpPath, false, true, true);
+
+    THolder<IEventHandle> delayedSyncRequest;
+    auto prevObserver = Context->SetObserverFunc([&](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) {
+        switch (ev->GetTypeRewrite()) {
+        case TSchemeBoardEvents::EvSyncRequest:
+            delayedSyncRequest.Reset(ev.Release());
+            return TTestActorRuntime::EEventAction::DROP;
+        default:
+            return TTestActorRuntime::EEventAction::PROCESS;
+        }
+    });
+
+    TNavigate::TEntry entry;
+    entry.Path = SplitPath("/Root/DirA");
+    entry.SyncVersion = true;
+    entry.Operation = TNavigate::OpPath;
+
+    auto request = MakeHolder<TNavigate>();
+    request->ResultSet.push_back(entry);
+
+    const TActorId edge = Context->AllocateEdgeActor();
+    Context->Send(SchemeCache, edge, new TEvTxProxySchemeCache::TEvNavigateKeySet(request.Release()), 0, 0, 0, true);
+
+    if (!delayedSyncRequest) {
+        TDispatchOptions opts;
+        opts.FinalEvents.emplace_back([&delayedSyncRequest](IEventHandle&) -> bool {
+            return bool(delayedSyncRequest);
+        });
+        Context->DispatchEvents(opts);
+    }
+
+    Context->SetObserverFunc(prevObserver);
+
+    TestMkDir(*Context, ++txId, "/Root", "DirA");
     TestWaitNotification(*Context, {txId}, CreateNotificationSubscriber(*Context, TTestTxConfig::SchemeShard));
- 
-    Context->TTestBasicRuntime::Send(delayedSyncRequest.Release(), 0, true); 
-    auto ev = Context->GrabEdgeEvent<TEvTxProxySchemeCache::TEvNavigateKeySetResult>(edge); 
- 
-    UNIT_ASSERT(ev->Get()); 
-    UNIT_ASSERT(!ev->Get()->Request->ResultSet.empty()); 
-    UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Request->ErrorCount, 0); 
-    UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Request->ResultSet.at(0).Status, TNavigate::EStatus::Ok); 
-} 
- 
-void TCacheTest::CheckAccess() { 
-    ui64 txId = 100; 
-    TestMkDir(*Context, ++txId, "/Root", "DirA"); 
-    TestModifyACL(*Context, ++txId, "/Root", "DirA", TString(), "user0@builtin"); 
- 
-    auto entry = TestNavigate("/Root/DirA", TNavigate::EStatus::Ok); 
- 
-    auto byPath = TestNavigate("/Root/DirA", TNavigate::EStatus::PathErrorUnknown, "user1@builtin"); 
-    UNIT_ASSERT_VALUES_EQUAL(CanonizePath(byPath.Path), "/Root/DirA"); 
-    UNIT_ASSERT_VALUES_EQUAL(byPath.TableId, TTableId()); 
-    TestNavigate("/Root/DirA", TNavigate::EStatus::Ok, "user0@builtin"); 
- 
-    auto byTableId = TestNavigateByTableId(entry.TableId, TNavigate::EStatus::PathErrorUnknown, "", "user1@builtin"); 
-    UNIT_ASSERT_VALUES_EQUAL(CanonizePath(byTableId.Path), ""); 
-    UNIT_ASSERT_VALUES_EQUAL(byTableId.TableId, entry.TableId); 
-    TestNavigateByTableId(entry.TableId, TNavigate::EStatus::Ok, "/Root/DirA", "user0@builtin"); 
-} 
- 
+
+    Context->TTestBasicRuntime::Send(delayedSyncRequest.Release(), 0, true);
+    auto ev = Context->GrabEdgeEvent<TEvTxProxySchemeCache::TEvNavigateKeySetResult>(edge);
+
+    UNIT_ASSERT(ev->Get());
+    UNIT_ASSERT(!ev->Get()->Request->ResultSet.empty());
+    UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Request->ErrorCount, 0);
+    UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Request->ResultSet.at(0).Status, TNavigate::EStatus::Ok);
+}
+
+void TCacheTest::CheckAccess() {
+    ui64 txId = 100;
+    TestMkDir(*Context, ++txId, "/Root", "DirA");
+    TestModifyACL(*Context, ++txId, "/Root", "DirA", TString(), "user0@builtin");
+
+    auto entry = TestNavigate("/Root/DirA", TNavigate::EStatus::Ok);
+
+    auto byPath = TestNavigate("/Root/DirA", TNavigate::EStatus::PathErrorUnknown, "user1@builtin");
+    UNIT_ASSERT_VALUES_EQUAL(CanonizePath(byPath.Path), "/Root/DirA");
+    UNIT_ASSERT_VALUES_EQUAL(byPath.TableId, TTableId());
+    TestNavigate("/Root/DirA", TNavigate::EStatus::Ok, "user0@builtin");
+
+    auto byTableId = TestNavigateByTableId(entry.TableId, TNavigate::EStatus::PathErrorUnknown, "", "user1@builtin");
+    UNIT_ASSERT_VALUES_EQUAL(CanonizePath(byTableId.Path), "");
+    UNIT_ASSERT_VALUES_EQUAL(byTableId.TableId, entry.TableId);
+    TestNavigateByTableId(entry.TableId, TNavigate::EStatus::Ok, "/Root/DirA", "user0@builtin");
+}
+
 void TCacheTest::CheckSystemViewAccess() {
     ui64 txId = 100;
     TestCreateSubDomain(*Context, ++txId, "/Root", "Name: \"SubDomainA\"");
@@ -316,15 +316,15 @@ void TCacheTest::CheckSystemViewAccess() {
     TestResolve(tableId, TResolve::EStatus::PathErrorNotExist, "user1@builtin");
 }
 
-void TCacheTest::SystemView() { 
+void TCacheTest::SystemView() {
     auto entry = TestNavigate("/Root/.sys/partition_stats", TNavigate::EStatus::Ok, TString(), TNavigate::OpTable);
 
     auto tableId = entry.TableId;
     UNIT_ASSERT_VALUES_EQUAL(tableId.SysViewInfo, "partition_stats");
 
     TestNavigateByTableId(tableId, TNavigate::EStatus::Ok, "/Root/.sys/partition_stats", TString(), TNavigate::OpTable);
-} 
- 
+}
+
 void TCacheTest::SysLocks() {
     {
         auto entry = TestNavigate("/sys/locks", TNavigate::EStatus::Ok, TString(), TNavigate::OpTable, true);
@@ -350,7 +350,7 @@ void TCacheTest::TableSchemaVersion() {
 
     TestWaitNotification(*Context, {txId}, CreateNotificationSubscriber(*Context, TTestTxConfig::SchemeShard));
     {
-        auto entry = TestNavigate("/Root/Table1", TNavigate::EStatus::Ok); 
+        auto entry = TestNavigate("/Root/Table1", TNavigate::EStatus::Ok);
         UNIT_ASSERT_VALUES_EQUAL(entry.TableId.SchemaVersion, 1);
     }
 
@@ -361,51 +361,51 @@ void TCacheTest::TableSchemaVersion() {
 
     TestWaitNotification(*Context, {txId}, CreateNotificationSubscriber(*Context, TTestTxConfig::SchemeShard));
     {
-        auto entry = TestNavigate("/Root/Table1", TNavigate::EStatus::Ok); 
+        auto entry = TestNavigate("/Root/Table1", TNavigate::EStatus::Ok);
         UNIT_ASSERT_VALUES_EQUAL(entry.TableId.SchemaVersion, 2);
     }
 }
 
 TNavigate::TEntry TCacheTest::TestNavigateImpl(THolder<TNavigate> request, TNavigate::EStatus expectedStatus,
-    const TString& sid, TNavigate::EOp op, bool showPrivatePath, bool redirectRequired) 
+    const TString& sid, TNavigate::EOp op, bool showPrivatePath, bool redirectRequired)
 {
-    auto& entry = request->ResultSet.back(); 
+    auto& entry = request->ResultSet.back();
     entry.Operation = op;
-    entry.ShowPrivatePath = showPrivatePath; 
+    entry.ShowPrivatePath = showPrivatePath;
     entry.RedirectRequired = redirectRequired;
- 
-    if (sid) { 
-        request->UserToken = new NACLib::TUserToken(sid, {}); 
-    } 
- 
+
+    if (sid) {
+        request->UserToken = new NACLib::TUserToken(sid, {});
+    }
+
     const TActorId edge = Context->AllocateEdgeActor();
-    Context->Send(SchemeCache, edge, new TEvTxProxySchemeCache::TEvNavigateKeySet(request.Release()), 0, 0, 0, true); 
-    auto ev = Context->GrabEdgeEvent<TEvTxProxySchemeCache::TEvNavigateKeySetResult>(edge); 
- 
-    UNIT_ASSERT(ev->Get()); 
-    UNIT_ASSERT(!ev->Get()->Request->ResultSet.empty()); 
- 
-    const TNavigate::TEntry result = ev->Get()->Request->ResultSet[0]; 
-    UNIT_ASSERT_VALUES_EQUAL(result.Status, expectedStatus); 
+    Context->Send(SchemeCache, edge, new TEvTxProxySchemeCache::TEvNavigateKeySet(request.Release()), 0, 0, 0, true);
+    auto ev = Context->GrabEdgeEvent<TEvTxProxySchemeCache::TEvNavigateKeySetResult>(edge);
+
+    UNIT_ASSERT(ev->Get());
+    UNIT_ASSERT(!ev->Get()->Request->ResultSet.empty());
+
+    const TNavigate::TEntry result = ev->Get()->Request->ResultSet[0];
+    UNIT_ASSERT_VALUES_EQUAL(result.Status, expectedStatus);
     return result;
-} 
- 
+}
+
 TNavigate::TEntry TCacheTest::TestNavigate(const TString& path, TNavigate::EStatus expectedStatus,
-    const TString& sid, TNavigate::EOp op, bool showPrivatePath,  bool redirectRequired, bool syncVersion) 
+    const TString& sid, TNavigate::EOp op, bool showPrivatePath,  bool redirectRequired, bool syncVersion)
 {
     auto request = MakeHolder<TNavigate>();
     request->ResultSet.push_back({});
     auto& entry = request->ResultSet.back();
 
     entry.Path = SplitPath(path);
-    entry.SyncVersion = syncVersion; 
+    entry.SyncVersion = syncVersion;
 
-    auto result = TestNavigateImpl(std::move(request), expectedStatus, sid, op, showPrivatePath, redirectRequired); 
+    auto result = TestNavigateImpl(std::move(request), expectedStatus, sid, op, showPrivatePath, redirectRequired);
     return result;
 }
 
 TNavigate::TEntry TCacheTest::TestNavigateByTableId(const TTableId& tableId, TNavigate::EStatus expectedStatus,
-    const TString& expectedPath, const TString& sid, TNavigate::EOp op, bool showPrivatePath) 
+    const TString& expectedPath, const TString& sid, TNavigate::EOp op, bool showPrivatePath)
 {
     auto request = MakeHolder<TNavigate>();
     request->ResultSet.push_back({});
@@ -414,38 +414,38 @@ TNavigate::TEntry TCacheTest::TestNavigateByTableId(const TTableId& tableId, TNa
     entry.TableId = tableId;
     entry.RequestType = TNavigate::TEntry::ERequestType::ByTableId;
 
-    auto result = TestNavigateImpl(std::move(request), expectedStatus, sid, op, showPrivatePath, true); 
+    auto result = TestNavigateImpl(std::move(request), expectedStatus, sid, op, showPrivatePath, true);
     UNIT_ASSERT_VALUES_EQUAL(CanonizePath(result.Path), expectedPath);
     return result;
 }
 
 TResolve::TEntry TCacheTest::TestResolve(const TTableId& tableId, TResolve::EStatus expectedStatus, const TString& sid) {
-    auto request = MakeHolder<TResolve>(); 
- 
-    auto keyDesc = MakeHolder<TKeyDesc>( 
+    auto request = MakeHolder<TResolve>();
+
+    auto keyDesc = MakeHolder<TKeyDesc>(
         tableId,
-        TTableRange({}), 
-        TKeyDesc::ERowOperation::Unknown, 
-        TVector<NScheme::TTypeId>(), TVector<TKeyDesc::TColumnOp>() 
-    ); 
+        TTableRange({}),
+        TKeyDesc::ERowOperation::Unknown,
+        TVector<NScheme::TTypeId>(), TVector<TKeyDesc::TColumnOp>()
+    );
     request->ResultSet.emplace_back(std::move(keyDesc));
- 
-    if (sid) { 
-        request->UserToken = new NACLib::TUserToken(sid, {}); 
-    } 
- 
+
+    if (sid) {
+        request->UserToken = new NACLib::TUserToken(sid, {});
+    }
+
     const TActorId edge = Context->AllocateEdgeActor();
-    Context->Send(SchemeCache, edge, new TEvTxProxySchemeCache::TEvResolveKeySet(request.Release()), 0, 0, 0, true); 
-    auto ev = Context->GrabEdgeEvent<TEvTxProxySchemeCache::TEvResolveKeySetResult>(edge); 
- 
-    UNIT_ASSERT(ev->Get()); 
-    UNIT_ASSERT(!ev->Get()->Request->ResultSet.empty()); 
- 
+    Context->Send(SchemeCache, edge, new TEvTxProxySchemeCache::TEvResolveKeySet(request.Release()), 0, 0, 0, true);
+    auto ev = Context->GrabEdgeEvent<TEvTxProxySchemeCache::TEvResolveKeySetResult>(edge);
+
+    UNIT_ASSERT(ev->Get());
+    UNIT_ASSERT(!ev->Get()->Request->ResultSet.empty());
+
     TResolve::TEntry result = std::move(ev->Get()->Request->ResultSet[0]);
-    UNIT_ASSERT_VALUES_EQUAL(result.Status, expectedStatus); 
-    return result; 
-} 
- 
+    UNIT_ASSERT_VALUES_EQUAL(result.Status, expectedStatus);
+    return result;
+}
+
 TActorId TCacheTest::TestWatch(const TPathId& pathId, const TActorId& watcher, ui64 key) {
     const TActorId edge = watcher ? watcher : Context->AllocateEdgeActor();
     Context->Send(SchemeCache, edge, new TEvTxProxySchemeCache::TEvWatchPathId(pathId, key), 0, 0, 0, true);
@@ -456,11 +456,11 @@ void TCacheTest::TestWatchRemove(const TActorId& watcher, ui64 key) {
     Context->Send(SchemeCache, watcher, new TEvTxProxySchemeCache::TEvWatchRemove(key), 0, 0, 0, true);
 }
 
-NSchemeCache::TDescribeResult::TCPtr TCacheTest::ExpectWatchUpdated(const TActorId& watcher, const TString& expectedPath) { 
+NSchemeCache::TDescribeResult::TCPtr TCacheTest::ExpectWatchUpdated(const TActorId& watcher, const TString& expectedPath) {
     auto ev = Context->GrabEdgeEvent<TEvTxProxySchemeCache::TEvWatchNotifyUpdated>(watcher);
-    if (expectedPath) { 
-        UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Path, expectedPath); 
-    } 
+    if (expectedPath) {
+        UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Path, expectedPath);
+    }
     return ev->Get()->Result;
 }
 
@@ -895,7 +895,7 @@ void TCacheTest::WatchRoot() {
     auto watcher = TestWatch(TPathId(TTestTxConfig::SchemeShard, 1));
 
     {
-        auto result = ExpectWatchUpdated(watcher, "/Root"); 
+        auto result = ExpectWatchUpdated(watcher, "/Root");
         UNIT_ASSERT_VALUES_EQUAL(result->GetStatus(), NKikimrScheme::StatusSuccess);
         UNIT_ASSERT_VALUES_EQUAL(result->GetPathDescription().GetSelf().GetPathId(), 1u);
         UNIT_ASSERT_VALUES_EQUAL(result->GetPathDescription().GetChildren().size(), 0u);
@@ -921,7 +921,7 @@ void TCacheTest::WatchRoot() {
     TestWatch(TPathId(TTestTxConfig::SchemeShard, dirPathId), watcher);
 
     {
-        auto result = ExpectWatchUpdated(watcher, "/Root/DirA"); 
+        auto result = ExpectWatchUpdated(watcher, "/Root/DirA");
         UNIT_ASSERT_VALUES_EQUAL(result->GetStatus(), NKikimrScheme::StatusSuccess);
         UNIT_ASSERT_VALUES_EQUAL(result->GetPathDescription().GetSelf().GetPathId(), dirPathId);
     }
@@ -948,35 +948,35 @@ void TCacheTest::WatchRoot() {
     SimulateSleep(*Context, TDuration::Seconds(1));
 }
 
-class TCacheTestWithDrops: public TCacheTest { 
-public: 
-    TTestContext::TEventObserver ObserverFunc() override { 
-        return [](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) { 
-            switch (ev->GetTypeRewrite()) { 
-            case TSchemeBoardEvents::EvNotifyUpdate: 
-            case TSchemeBoardEvents::EvNotifyDelete: 
-            case TSchemeBoardEvents::EvSyncResponse: 
-                return TTestContext::EEventAction::DROP; 
-            } 
- 
-            return TTestContext::EEventAction::PROCESS; 
-        }; 
-    } 
- 
-    UNIT_TEST_SUITE(TCacheTestWithDrops); 
-    UNIT_TEST(LookupErrorUponEviction); 
-    UNIT_TEST_SUITE_END(); 
- 
-    void LookupErrorUponEviction(); 
- 
-}; // TCacheTestWithDrops 
- 
-UNIT_TEST_SUITE_REGISTRATION(TCacheTestWithDrops); 
- 
-void TCacheTestWithDrops::LookupErrorUponEviction() { 
-    TestNavigate("/Root/with_sync", TNavigate::EStatus::LookupError, "", TNavigate::EOp::OpPath, false, true, true); 
-    TestNavigate("/Root/without_sync", TNavigate::EStatus::LookupError, "", TNavigate::EOp::OpPath, false, true, false); 
-} 
- 
-} // NSchemeBoard 
-} // NKikimr 
+class TCacheTestWithDrops: public TCacheTest {
+public:
+    TTestContext::TEventObserver ObserverFunc() override {
+        return [](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) {
+            switch (ev->GetTypeRewrite()) {
+            case TSchemeBoardEvents::EvNotifyUpdate:
+            case TSchemeBoardEvents::EvNotifyDelete:
+            case TSchemeBoardEvents::EvSyncResponse:
+                return TTestContext::EEventAction::DROP;
+            }
+
+            return TTestContext::EEventAction::PROCESS;
+        };
+    }
+
+    UNIT_TEST_SUITE(TCacheTestWithDrops);
+    UNIT_TEST(LookupErrorUponEviction);
+    UNIT_TEST_SUITE_END();
+
+    void LookupErrorUponEviction();
+
+}; // TCacheTestWithDrops
+
+UNIT_TEST_SUITE_REGISTRATION(TCacheTestWithDrops);
+
+void TCacheTestWithDrops::LookupErrorUponEviction() {
+    TestNavigate("/Root/with_sync", TNavigate::EStatus::LookupError, "", TNavigate::EOp::OpPath, false, true, true);
+    TestNavigate("/Root/without_sync", TNavigate::EStatus::LookupError, "", TNavigate::EOp::OpPath, false, true, false);
+}
+
+} // NSchemeBoard
+} // NKikimr
diff --git a/ydb/core/tx/scheme_board/defs.h b/ydb/core/tx/scheme_board/defs.h
index 0fde518887..bbae7d3179 100644
--- a/ydb/core/tx/scheme_board/defs.h
+++ b/ydb/core/tx/scheme_board/defs.h
@@ -1,4 +1,4 @@
-#pragma once 
- 
+#pragma once
+
 #include <ydb/core/base/defs.h>
 #include <ydb/core/base/events.h>
diff --git a/ydb/core/tx/scheme_board/double_indexed.h b/ydb/core/tx/scheme_board/double_indexed.h
index 16b7ee733b..99dad5aea4 100644
--- a/ydb/core/tx/scheme_board/double_indexed.h
+++ b/ydb/core/tx/scheme_board/double_indexed.h
@@ -1,409 +1,409 @@
-#pragma once 
- 
-#include <util/datetime/base.h> 
-#include <util/generic/hash.h> 
-#include <util/generic/list.h> 
- 
-namespace NKikimr { 
- 
-namespace NPrivate { 
- 
-// used in TDoubleIndexedMap 
-struct TDefaultBaseItem {}; 
- 
-// used in TDoubleIndexedCache 
-struct TTimestampedItem { 
-    TInstant LastAccess; 
-}; 
- 
-template < 
-    typename TPrimaryKey, 
-    typename TSecondaryKey, 
-    typename TValue, 
-    typename TMergeFunc, 
-    template <typename...> typename TPIndex = THashMap, 
-    template <typename...> typename TSIndex = THashMap, 
-    template <typename...> typename TValueContainer = TList, 
-    typename TBaseItem = TDefaultBaseItem 
-> 
-class TDoubleIndexedMapImpl { 
-    struct TItem; 
- 
-public: 
-    using TStorage = TValueContainer<TItem>; 
-    using TPrimaryIndex = TPIndex<TPrimaryKey, typename TStorage::iterator>; 
-    using TSecondaryIndex = TSIndex<TSecondaryKey, typename TStorage::iterator>; 
- 
-private: 
-    struct TItem: public TBaseItem { 
-        TValue Value; 
-        typename TPrimaryIndex::iterator PrimaryIndexIterator; 
-        typename TSecondaryIndex::iterator SecondaryIndexIterator; 
- 
-        explicit TItem( 
-            const TValue& value, 
-            typename TPrimaryIndex::iterator primaryIndexIterator, 
-            typename TSecondaryIndex::iterator secondaryIndexIterator) 
-            : Value(value) 
-            , PrimaryIndexIterator(primaryIndexIterator) 
-            , SecondaryIndexIterator(secondaryIndexIterator) 
-        { 
-        } 
- 
-        explicit TItem( 
-            TValue&& value, 
-            typename TPrimaryIndex::iterator primaryIndexIterator, 
-            typename TSecondaryIndex::iterator secondaryIndexIterator) noexcept 
-            : Value(std::move(value)) 
-            , PrimaryIndexIterator(primaryIndexIterator) 
-            , SecondaryIndexIterator(secondaryIndexIterator) 
-        { 
-        } 
-    }; 
- 
-protected: 
-    template <typename TV> 
-    void EmplaceInStorage(TV&& val) { 
-        Storage.emplace_back(TItem(std::forward<TV>(val), PrimaryIndex.end(), SecondaryIndex.end())); 
-    } 
- 
-    template <typename TK, typename std::enable_if_t<std::is_same_v<std::decay_t<TK>, TPrimaryKey>, int> = 0> 
-    auto EmplaceInIndex(TK&& key) { 
-        return PrimaryIndex.emplace(std::forward<TK>(key), Storage.end()); 
-    } 
- 
-    template <typename TK, typename std::enable_if_t<std::is_same_v<std::decay_t<TK>, TSecondaryKey>, int> = 0> 
-    auto EmplaceInIndex(TK&& key) { 
-        return SecondaryIndex.emplace(std::forward<TK>(key), Storage.end()); 
-    } 
- 
-    static void CrossSetIterators(typename TStorage::iterator st, typename TPrimaryIndex::iterator ind) { 
-        st->PrimaryIndexIterator = ind; 
-        ind->second = st; 
-    } 
- 
-    static void CrossSetIterators(typename TStorage::iterator st, typename TSecondaryIndex::iterator ind) { 
-        st->SecondaryIndexIterator = ind; 
-        ind->second = st; 
-    } 
- 
-    static typename TPrimaryIndex::iterator& IndexIterator(typename TPrimaryIndex::iterator it) { 
-        return it->second->PrimaryIndexIterator; 
-    } 
- 
-    static typename TSecondaryIndex::iterator& IndexIterator(typename TSecondaryIndex::iterator it) { 
-        return it->second->SecondaryIndexIterator; 
-    } 
- 
-    static typename TSecondaryIndex::iterator AnotherIndexIterator(typename TPrimaryIndex::iterator it) { 
-        return it->second->SecondaryIndexIterator; 
-    } 
- 
-    static typename TPrimaryIndex::iterator AnotherIndexIterator(typename TSecondaryIndex::iterator it) { 
-        return it->second->PrimaryIndexIterator; 
-    } 
- 
-    TSecondaryIndex& AnotherIndex(typename TPrimaryIndex::iterator) { 
-        return SecondaryIndex; 
-    } 
- 
-    TPrimaryIndex& AnotherIndex(typename TSecondaryIndex::iterator) { 
-        return PrimaryIndex; 
-    } 
- 
-    template <typename TPi, typename TSi> 
-    void DeleteIndex(const typename TPi::key_type& key, TPi& pIndex, TSi& sIndex) { 
-        auto pIt = pIndex.find(key); 
-        if (pIt == pIndex.end()) { 
-            return; 
-        } 
- 
+#pragma once
+
+#include <util/datetime/base.h>
+#include <util/generic/hash.h>
+#include <util/generic/list.h>
+
+namespace NKikimr {
+
+namespace NPrivate {
+
+// used in TDoubleIndexedMap
+struct TDefaultBaseItem {};
+
+// used in TDoubleIndexedCache
+struct TTimestampedItem {
+    TInstant LastAccess;
+};
+
+template <
+    typename TPrimaryKey,
+    typename TSecondaryKey,
+    typename TValue,
+    typename TMergeFunc,
+    template <typename...> typename TPIndex = THashMap,
+    template <typename...> typename TSIndex = THashMap,
+    template <typename...> typename TValueContainer = TList,
+    typename TBaseItem = TDefaultBaseItem
+>
+class TDoubleIndexedMapImpl {
+    struct TItem;
+
+public:
+    using TStorage = TValueContainer<TItem>;
+    using TPrimaryIndex = TPIndex<TPrimaryKey, typename TStorage::iterator>;
+    using TSecondaryIndex = TSIndex<TSecondaryKey, typename TStorage::iterator>;
+
+private:
+    struct TItem: public TBaseItem {
+        TValue Value;
+        typename TPrimaryIndex::iterator PrimaryIndexIterator;
+        typename TSecondaryIndex::iterator SecondaryIndexIterator;
+
+        explicit TItem(
+            const TValue& value,
+            typename TPrimaryIndex::iterator primaryIndexIterator,
+            typename TSecondaryIndex::iterator secondaryIndexIterator)
+            : Value(value)
+            , PrimaryIndexIterator(primaryIndexIterator)
+            , SecondaryIndexIterator(secondaryIndexIterator)
+        {
+        }
+
+        explicit TItem(
+            TValue&& value,
+            typename TPrimaryIndex::iterator primaryIndexIterator,
+            typename TSecondaryIndex::iterator secondaryIndexIterator) noexcept
+            : Value(std::move(value))
+            , PrimaryIndexIterator(primaryIndexIterator)
+            , SecondaryIndexIterator(secondaryIndexIterator)
+        {
+        }
+    };
+
+protected:
+    template <typename TV>
+    void EmplaceInStorage(TV&& val) {
+        Storage.emplace_back(TItem(std::forward<TV>(val), PrimaryIndex.end(), SecondaryIndex.end()));
+    }
+
+    template <typename TK, typename std::enable_if_t<std::is_same_v<std::decay_t<TK>, TPrimaryKey>, int> = 0>
+    auto EmplaceInIndex(TK&& key) {
+        return PrimaryIndex.emplace(std::forward<TK>(key), Storage.end());
+    }
+
+    template <typename TK, typename std::enable_if_t<std::is_same_v<std::decay_t<TK>, TSecondaryKey>, int> = 0>
+    auto EmplaceInIndex(TK&& key) {
+        return SecondaryIndex.emplace(std::forward<TK>(key), Storage.end());
+    }
+
+    static void CrossSetIterators(typename TStorage::iterator st, typename TPrimaryIndex::iterator ind) {
+        st->PrimaryIndexIterator = ind;
+        ind->second = st;
+    }
+
+    static void CrossSetIterators(typename TStorage::iterator st, typename TSecondaryIndex::iterator ind) {
+        st->SecondaryIndexIterator = ind;
+        ind->second = st;
+    }
+
+    static typename TPrimaryIndex::iterator& IndexIterator(typename TPrimaryIndex::iterator it) {
+        return it->second->PrimaryIndexIterator;
+    }
+
+    static typename TSecondaryIndex::iterator& IndexIterator(typename TSecondaryIndex::iterator it) {
+        return it->second->SecondaryIndexIterator;
+    }
+
+    static typename TSecondaryIndex::iterator AnotherIndexIterator(typename TPrimaryIndex::iterator it) {
+        return it->second->SecondaryIndexIterator;
+    }
+
+    static typename TPrimaryIndex::iterator AnotherIndexIterator(typename TSecondaryIndex::iterator it) {
+        return it->second->PrimaryIndexIterator;
+    }
+
+    TSecondaryIndex& AnotherIndex(typename TPrimaryIndex::iterator) {
+        return SecondaryIndex;
+    }
+
+    TPrimaryIndex& AnotherIndex(typename TSecondaryIndex::iterator) {
+        return PrimaryIndex;
+    }
+
+    template <typename TPi, typename TSi>
+    void DeleteIndex(const typename TPi::key_type& key, TPi& pIndex, TSi& sIndex) {
+        auto pIt = pIndex.find(key);
+        if (pIt == pIndex.end()) {
+            return;
+        }
+
         // storage entry must be kept by other index, we clean only one
-        Y_VERIFY(AnotherIndexIterator(pIt) != sIndex.end()); 
- 
-        IndexIterator(pIt) = pIndex.end(); 
-        pIndex.erase(pIt); 
-    } 
- 
-    template <typename TPi, typename TSi> 
-    void Erase(const typename TPi::key_type& key, TPi& pIndex, TSi& sIndex) { 
-        auto pIt = pIndex.find(key); 
-        if (pIt == pIndex.end()) { 
-            return; 
-        } 
- 
-        auto sIt = AnotherIndexIterator(pIt); 
-        if (sIt != sIndex.end()) { 
-            sIndex.erase(sIt); 
-        } 
- 
-        Storage.erase(pIt->second); 
-        pIndex.erase(pIt); 
-    } 
- 
-    template <typename TI> 
-    static TValue* FindPtr(const typename TI::key_type& key, TI& index) { 
-        auto it = index.find(key); 
-        if (it == index.end()) { 
-            return nullptr; 
-        } 
- 
-        return &it->second->Value; 
-    } 
- 
-public: 
-    explicit TDoubleIndexedMapImpl(const TMergeFunc& mf = TMergeFunc()) 
-        : Merge(mf) 
-    { 
-    } 
- 
-    template <typename TK, typename TV> 
-    TValue& Upsert(TK&& key, TV&& val) { 
-        auto it = EmplaceInIndex(std::forward<TK>(key)); 
- 
-        if (it.second) { 
-            EmplaceInStorage(std::forward<TV>(val)); 
-            CrossSetIterators(std::prev(Storage.end()), it.first); 
-        } else { 
-            Merge(it.first->second->Value, std::forward<TV>(val)); 
-        } 
- 
-        return it.first->second->Value; 
-    } 
- 
-    template <typename TPk, typename TSk, typename TV> 
-    TValue& Upsert(TPk&& pKey, TSk&& sKey, TV&& val) { 
-        auto pIt = EmplaceInIndex(std::forward<TPk>(pKey)); 
-        auto sIt = EmplaceInIndex(std::forward<TSk>(sKey)); 
- 
-        if (pIt.second && sIt.second) { 
+        Y_VERIFY(AnotherIndexIterator(pIt) != sIndex.end());
+
+        IndexIterator(pIt) = pIndex.end();
+        pIndex.erase(pIt);
+    }
+
+    template <typename TPi, typename TSi>
+    void Erase(const typename TPi::key_type& key, TPi& pIndex, TSi& sIndex) {
+        auto pIt = pIndex.find(key);
+        if (pIt == pIndex.end()) {
+            return;
+        }
+
+        auto sIt = AnotherIndexIterator(pIt);
+        if (sIt != sIndex.end()) {
+            sIndex.erase(sIt);
+        }
+
+        Storage.erase(pIt->second);
+        pIndex.erase(pIt);
+    }
+
+    template <typename TI>
+    static TValue* FindPtr(const typename TI::key_type& key, TI& index) {
+        auto it = index.find(key);
+        if (it == index.end()) {
+            return nullptr;
+        }
+
+        return &it->second->Value;
+    }
+
+public:
+    explicit TDoubleIndexedMapImpl(const TMergeFunc& mf = TMergeFunc())
+        : Merge(mf)
+    {
+    }
+
+    template <typename TK, typename TV>
+    TValue& Upsert(TK&& key, TV&& val) {
+        auto it = EmplaceInIndex(std::forward<TK>(key));
+
+        if (it.second) {
+            EmplaceInStorage(std::forward<TV>(val));
+            CrossSetIterators(std::prev(Storage.end()), it.first);
+        } else {
+            Merge(it.first->second->Value, std::forward<TV>(val));
+        }
+
+        return it.first->second->Value;
+    }
+
+    template <typename TPk, typename TSk, typename TV>
+    TValue& Upsert(TPk&& pKey, TSk&& sKey, TV&& val) {
+        auto pIt = EmplaceInIndex(std::forward<TPk>(pKey));
+        auto sIt = EmplaceInIndex(std::forward<TSk>(sKey));
+
+        if (pIt.second && sIt.second) {
             // no pKey, no sKey, insert new element
 
-            EmplaceInStorage(std::forward<TV>(val)); 
-            auto it = std::prev(Storage.end()); 
-            CrossSetIterators(it, pIt.first); 
-            CrossSetIterators(it, sIt.first); 
-        } else if (!pIt.second && sIt.second) { 
+            EmplaceInStorage(std::forward<TV>(val));
+            auto it = std::prev(Storage.end());
+            CrossSetIterators(it, pIt.first);
+            CrossSetIterators(it, sIt.first);
+        } else if (!pIt.second && sIt.second) {
             // has pKey, no sKey, merge val into exited pKey
 
-            Y_VERIFY(AnotherIndexIterator(pIt.first) == AnotherIndex(pIt.first).end()); 
-            Merge(pIt.first->second->Value, std::forward<TV>(val)); 
-            CrossSetIterators(pIt.first->second, sIt.first); 
-        } else if (pIt.second && !sIt.second) { 
+            Y_VERIFY(AnotherIndexIterator(pIt.first) == AnotherIndex(pIt.first).end());
+            Merge(pIt.first->second->Value, std::forward<TV>(val));
+            CrossSetIterators(pIt.first->second, sIt.first);
+        } else if (pIt.second && !sIt.second) {
             // no pKey, has sKey, merge val into exited sKey
 
-            Y_VERIFY(AnotherIndexIterator(sIt.first) == AnotherIndex(sIt.first).end()); 
-            Merge(sIt.first->second->Value, std::forward<TV>(val)); 
-            CrossSetIterators(sIt.first->second, pIt.first); 
-        } else if (pIt.first->second != sIt.first->second) { 
+            Y_VERIFY(AnotherIndexIterator(sIt.first) == AnotherIndex(sIt.first).end());
+            Merge(sIt.first->second->Value, std::forward<TV>(val));
+            CrossSetIterators(sIt.first->second, pIt.first);
+        } else if (pIt.first->second != sIt.first->second) {
             // has pKey, has sKey, pKey is not equal to sKey, merge val into merged pKey and sKey
 
-            Merge(pIt.first->second->Value, std::forward<TV>(Merge(sIt.first->second->Value, std::forward<TV>(val)))); 
-            Storage.erase(sIt.first->second); 
-            CrossSetIterators(pIt.first->second, sIt.first); 
-        } else { 
+            Merge(pIt.first->second->Value, std::forward<TV>(Merge(sIt.first->second->Value, std::forward<TV>(val))));
+            Storage.erase(sIt.first->second);
+            CrossSetIterators(pIt.first->second, sIt.first);
+        } else {
             // has pKey, has sKey, pKey is equal to sKey, merge val into existed item;
 
-            Merge(pIt.first->second->Value, std::forward<TV>(val)); 
-        } 
- 
-        return pIt.first->second->Value; 
-    } 
- 
-    void DeleteIndex(const TPrimaryKey& key) { 
-        DeleteIndex(key, PrimaryIndex, SecondaryIndex); 
-    } 
- 
-    void DeleteIndex(const TSecondaryKey& key) { 
-        DeleteIndex(key, SecondaryIndex, PrimaryIndex); 
-    } 
- 
-    void Erase(const TPrimaryKey& key) { 
-        Erase(key, PrimaryIndex, SecondaryIndex); 
-    } 
- 
-    void Erase(const TSecondaryKey& key) { 
-        Erase(key, SecondaryIndex, PrimaryIndex); 
-    } 
- 
-    TValue* FindPtr(const TPrimaryKey& key) { 
-        return FindPtr(key, PrimaryIndex); 
-    } 
- 
-    const TValue* FindPtr(const TPrimaryKey& key) const { 
-        return FindPtr(key, PrimaryIndex); 
-    } 
- 
-    TValue* FindPtr(const TSecondaryKey& key) { 
-        return FindPtr(key, SecondaryIndex); 
-    } 
- 
-    const TValue* FindPtr(const TSecondaryKey& key) const { 
-        return FindPtr(key, SecondaryIndex); 
-    } 
- 
-    auto Size() const { 
-        return StorageSize(); 
-    } 
- 
-    auto StorageSize() const { 
-        return Storage.size(); 
-    } 
- 
-    const TPrimaryIndex& GetPrimaryIndex() const { 
-        return PrimaryIndex; 
-    } 
- 
-    const TSecondaryIndex& GetSecondaryIndex() const { 
-        return SecondaryIndex; 
-    } 
- 
-protected: 
-    TStorage Storage; 
-    TPrimaryIndex PrimaryIndex; 
-    TSecondaryIndex SecondaryIndex; 
- 
-private: 
-    TMergeFunc Merge; 
- 
-}; // TDoubleIndexedMapImpl 
- 
-} // NPrivate 
- 
-template < 
-    typename TPrimaryKey, 
-    typename TSecondaryKey, 
-    typename TValue, 
-    typename TMergeFunc, 
-    template <typename...> typename TPIndex = THashMap, 
-    template <typename...> typename TSIndex = THashMap, 
-    template <typename...> typename TValueContainer = TList 
-> 
-class TDoubleIndexedMap: public NPrivate::TDoubleIndexedMapImpl< 
-    TPrimaryKey, 
-    TSecondaryKey, 
-    TValue, 
-    TMergeFunc, 
-    TPIndex, 
-    TSIndex, 
-    TValueContainer> { 
- 
-public: 
-    explicit TDoubleIndexedMap(const TMergeFunc& mf = TMergeFunc()) 
-        : NPrivate::TDoubleIndexedMapImpl< 
-              TPrimaryKey, 
-              TSecondaryKey, 
-              TValue, 
-              TMergeFunc, 
-              TPIndex, 
-              TSIndex, 
-              TValueContainer>(mf) 
-    { 
-    } 
-}; 
- 
-template < 
-    typename TPrimaryKey, 
-    typename TSecondaryKey, 
-    typename TValue, 
-    typename TMergeFunc, 
-    typename TEvictFunc, 
-    template <typename...> typename TPIndex = THashMap, 
-    template <typename...> typename TSIndex = THashMap, 
-    template <typename...> typename TValueContainer = TList 
-> 
-class TDoubleIndexedCache: public NPrivate::TDoubleIndexedMapImpl< 
-    TPrimaryKey, 
-    TSecondaryKey, 
-    TValue, 
-    TMergeFunc, 
-    TPIndex, 
-    TSIndex, 
-    TValueContainer, 
-    NPrivate::TTimestampedItem> { 
- 
-public: 
-    typedef TInstant (*TInstantGetter)(); 
- 
-private: 
-    template <typename TI> 
-    void Promote(const typename TI::key_type& key, TI& index) { 
-        auto it = index.find(key); 
-        if (it == index.end()) { 
-            return; 
-        } 
- 
-        this->Storage.splice(this->Storage.end(), this->Storage, it->second); 
-        auto st = std::prev(this->Storage.end()); 
- 
-        if (st->PrimaryIndexIterator != this->PrimaryIndex.end()) { 
-            this->CrossSetIterators(st, st->PrimaryIndexIterator); 
-        } 
- 
-        if (st->SecondaryIndexIterator != this->SecondaryIndex.end()) { 
-            this->CrossSetIterators(st, st->SecondaryIndexIterator); 
-        } 
- 
-        st->LastAccess = Now(); 
-    } 
- 
-public: 
-    explicit TDoubleIndexedCache( 
-            const TDuration keep, 
-            TInstantGetter now, 
-            const TMergeFunc& mf = TMergeFunc(), 
-            const TEvictFunc& ef = TEvictFunc()) 
-        : NPrivate::TDoubleIndexedMapImpl< 
-              TPrimaryKey, 
-              TSecondaryKey, 
-              TValue, 
-              TMergeFunc, 
-              TPIndex, 
-              TSIndex, 
-              TValueContainer, 
-              NPrivate::TTimestampedItem>(mf) 
-        , Keep(keep) 
-        , Now(now) 
-        , OnEvict(ef) 
-    { 
-    } 
- 
-    void Promote(const TPrimaryKey& key) { 
-        Promote(key, this->PrimaryIndex); 
-    } 
- 
-    void Promote(const TSecondaryKey& key) { 
-        Promote(key, this->SecondaryIndex); 
-    } 
- 
-    bool Shrink() { 
-        if (this->Storage.empty()) { 
-            return false; 
-        } 
- 
-        auto& item = this->Storage.front(); 
-        if ((Now() - item.LastAccess) < Keep) { 
-            return false; 
-        } 
- 
-        if (item.PrimaryIndexIterator != this->PrimaryIndex.end()) { 
-            this->PrimaryIndex.erase(item.PrimaryIndexIterator); 
-        } 
-        if (item.SecondaryIndexIterator != this->SecondaryIndex.end()) { 
-            this->SecondaryIndex.erase(item.SecondaryIndexIterator); 
-        } 
- 
-        OnEvict(item.Value); 
-        this->Storage.pop_front(); 
- 
-        return true; 
-    } 
- 
-private: 
-    TDuration Keep; 
-    TInstantGetter Now; 
-    TEvictFunc OnEvict; 
- 
-}; // TDoubleIndexedCache 
- 
-} // NKikimr 
+            Merge(pIt.first->second->Value, std::forward<TV>(val));
+        }
+
+        return pIt.first->second->Value;
+    }
+
+    void DeleteIndex(const TPrimaryKey& key) {
+        DeleteIndex(key, PrimaryIndex, SecondaryIndex);
+    }
+
+    void DeleteIndex(const TSecondaryKey& key) {
+        DeleteIndex(key, SecondaryIndex, PrimaryIndex);
+    }
+
+    void Erase(const TPrimaryKey& key) {
+        Erase(key, PrimaryIndex, SecondaryIndex);
+    }
+
+    void Erase(const TSecondaryKey& key) {
+        Erase(key, SecondaryIndex, PrimaryIndex);
+    }
+
+    TValue* FindPtr(const TPrimaryKey& key) {
+        return FindPtr(key, PrimaryIndex);
+    }
+
+    const TValue* FindPtr(const TPrimaryKey& key) const {
+        return FindPtr(key, PrimaryIndex);
+    }
+
+    TValue* FindPtr(const TSecondaryKey& key) {
+        return FindPtr(key, SecondaryIndex);
+    }
+
+    const TValue* FindPtr(const TSecondaryKey& key) const {
+        return FindPtr(key, SecondaryIndex);
+    }
+
+    auto Size() const {
+        return StorageSize();
+    }
+
+    auto StorageSize() const {
+        return Storage.size();
+    }
+
+    const TPrimaryIndex& GetPrimaryIndex() const {
+        return PrimaryIndex;
+    }
+
+    const TSecondaryIndex& GetSecondaryIndex() const {
+        return SecondaryIndex;
+    }
+
+protected:
+    TStorage Storage;
+    TPrimaryIndex PrimaryIndex;
+    TSecondaryIndex SecondaryIndex;
+
+private:
+    TMergeFunc Merge;
+
+}; // TDoubleIndexedMapImpl
+
+} // NPrivate
+
+template <
+    typename TPrimaryKey,
+    typename TSecondaryKey,
+    typename TValue,
+    typename TMergeFunc,
+    template <typename...> typename TPIndex = THashMap,
+    template <typename...> typename TSIndex = THashMap,
+    template <typename...> typename TValueContainer = TList
+>
+class TDoubleIndexedMap: public NPrivate::TDoubleIndexedMapImpl<
+    TPrimaryKey,
+    TSecondaryKey,
+    TValue,
+    TMergeFunc,
+    TPIndex,
+    TSIndex,
+    TValueContainer> {
+
+public:
+    explicit TDoubleIndexedMap(const TMergeFunc& mf = TMergeFunc())
+        : NPrivate::TDoubleIndexedMapImpl<
+              TPrimaryKey,
+              TSecondaryKey,
+              TValue,
+              TMergeFunc,
+              TPIndex,
+              TSIndex,
+              TValueContainer>(mf)
+    {
+    }
+};
+
+template <
+    typename TPrimaryKey,
+    typename TSecondaryKey,
+    typename TValue,
+    typename TMergeFunc,
+    typename TEvictFunc,
+    template <typename...> typename TPIndex = THashMap,
+    template <typename...> typename TSIndex = THashMap,
+    template <typename...> typename TValueContainer = TList
+>
+class TDoubleIndexedCache: public NPrivate::TDoubleIndexedMapImpl<
+    TPrimaryKey,
+    TSecondaryKey,
+    TValue,
+    TMergeFunc,
+    TPIndex,
+    TSIndex,
+    TValueContainer,
+    NPrivate::TTimestampedItem> {
+
+public:
+    typedef TInstant (*TInstantGetter)();
+
+private:
+    template <typename TI>
+    void Promote(const typename TI::key_type& key, TI& index) {
+        auto it = index.find(key);
+        if (it == index.end()) {
+            return;
+        }
+
+        this->Storage.splice(this->Storage.end(), this->Storage, it->second);
+        auto st = std::prev(this->Storage.end());
+
+        if (st->PrimaryIndexIterator != this->PrimaryIndex.end()) {
+            this->CrossSetIterators(st, st->PrimaryIndexIterator);
+        }
+
+        if (st->SecondaryIndexIterator != this->SecondaryIndex.end()) {
+            this->CrossSetIterators(st, st->SecondaryIndexIterator);
+        }
+
+        st->LastAccess = Now();
+    }
+
+public:
+    explicit TDoubleIndexedCache(
+            const TDuration keep,
+            TInstantGetter now,
+            const TMergeFunc& mf = TMergeFunc(),
+            const TEvictFunc& ef = TEvictFunc())
+        : NPrivate::TDoubleIndexedMapImpl<
+              TPrimaryKey,
+              TSecondaryKey,
+              TValue,
+              TMergeFunc,
+              TPIndex,
+              TSIndex,
+              TValueContainer,
+              NPrivate::TTimestampedItem>(mf)
+        , Keep(keep)
+        , Now(now)
+        , OnEvict(ef)
+    {
+    }
+
+    void Promote(const TPrimaryKey& key) {
+        Promote(key, this->PrimaryIndex);
+    }
+
+    void Promote(const TSecondaryKey& key) {
+        Promote(key, this->SecondaryIndex);
+    }
+
+    bool Shrink() {
+        if (this->Storage.empty()) {
+            return false;
+        }
+
+        auto& item = this->Storage.front();
+        if ((Now() - item.LastAccess) < Keep) {
+            return false;
+        }
+
+        if (item.PrimaryIndexIterator != this->PrimaryIndex.end()) {
+            this->PrimaryIndex.erase(item.PrimaryIndexIterator);
+        }
+        if (item.SecondaryIndexIterator != this->SecondaryIndex.end()) {
+            this->SecondaryIndex.erase(item.SecondaryIndexIterator);
+        }
+
+        OnEvict(item.Value);
+        this->Storage.pop_front();
+
+        return true;
+    }
+
+private:
+    TDuration Keep;
+    TInstantGetter Now;
+    TEvictFunc OnEvict;
+
+}; // TDoubleIndexedCache
+
+} // NKikimr
diff --git a/ydb/core/tx/scheme_board/double_indexed_ut.cpp b/ydb/core/tx/scheme_board/double_indexed_ut.cpp
index 58e885c627..9d6727dd08 100644
--- a/ydb/core/tx/scheme_board/double_indexed_ut.cpp
+++ b/ydb/core/tx/scheme_board/double_indexed_ut.cpp
@@ -1,127 +1,127 @@
-#include "double_indexed.h" 
- 
+#include "double_indexed.h"
+
 #include <library/cpp/testing/unittest/registar.h>
- 
-#include <util/generic/string.h> 
-#include <util/string/vector.h> 
- 
-namespace NKikimr { 
- 
-Y_UNIT_TEST_SUITE(DoubleIndexedTests) { 
-    using TPKey = TString; 
-    using TSKey = ui32; 
- 
-    struct TValue { 
-        TString Payload; 
- 
-        TValue& Merge(TValue&& x) { 
-            Payload = JoinStrings(TVector<TString>{Payload, x.Payload}, ""); 
-            return *this; 
-        } 
- 
-        bool operator==(const TValue& x) const { 
-            return Payload == x.Payload; 
-        } 
-    }; 
- 
-    struct TMerger { 
-        TValue& operator()(TValue& dst, TValue&& src) { 
-            return dst.Merge(std::move(src)); 
-        } 
-    }; 
- 
-    Y_UNIT_TEST(TestUpsertBySingleKey) { 
-        TDoubleIndexedMap<TPKey, TSKey, TValue, TMerger> diMap; 
- 
-        TValue& hello = diMap.Upsert(TPKey("test"), TValue{"hello"}); 
-        UNIT_ASSERT_STRINGS_EQUAL(hello.Payload, "hello"); 
-        UNIT_ASSERT_VALUES_EQUAL(1, diMap.Size()); 
- 
-        TValue& world = diMap.Upsert(TSKey(42), TValue{"world"}); 
-        UNIT_ASSERT_STRINGS_EQUAL(world.Payload, "world"); 
-        UNIT_ASSERT_VALUES_EQUAL(2, diMap.Size()); 
-    } 
- 
-    Y_UNIT_TEST(TestUpsertByBothKeys) { 
-        TDoubleIndexedMap<TPKey, TSKey, TValue, TMerger> diMap; 
- 
-        TValue& helloWorld = diMap.Upsert(TPKey("test"), TSKey(42), TValue{"hello, world"}); 
-        UNIT_ASSERT_STRINGS_EQUAL(helloWorld.Payload, "hello, world"); 
-        UNIT_ASSERT_VALUES_EQUAL(1, diMap.Size()); 
-    } 
- 
-    Y_UNIT_TEST(TestMerge) { 
-        TPKey pKey("test"); 
-        TSKey sKey(42); 
- 
-        { 
-            TDoubleIndexedMap<TPKey, TSKey, TValue, TMerger> diMap; 
- 
-            diMap.Upsert(pKey, TValue{"hello"}); 
-            TValue& helloWorld = diMap.Upsert(pKey, sKey, TValue{", world"}); 
- 
-            UNIT_ASSERT_STRINGS_EQUAL(helloWorld.Payload, "hello, world"); 
-            UNIT_ASSERT_VALUES_EQUAL(1, diMap.Size()); 
-        } 
- 
-        { 
-            TDoubleIndexedMap<TPKey, TSKey, TValue, TMerger> diMap; 
- 
-            diMap.Upsert(sKey, TValue{"world"}); 
-            TValue& worldHello = diMap.Upsert(pKey, sKey, TValue{", hello"}); 
- 
-            UNIT_ASSERT_STRINGS_EQUAL(worldHello.Payload, "world, hello"); 
-            UNIT_ASSERT_VALUES_EQUAL(1, diMap.Size()); 
-        } 
- 
-        { 
-            TDoubleIndexedMap<TPKey, TSKey, TValue, TMerger> diMap; 
- 
-            diMap.Upsert(pKey, TValue{"hello"}); 
-            UNIT_ASSERT_VALUES_EQUAL(1, diMap.Size()); 
- 
-            diMap.Upsert(sKey, TValue{", world"}); 
-            UNIT_ASSERT_VALUES_EQUAL(2, diMap.Size()); 
- 
-            TValue& helloWorld = diMap.Upsert(pKey, sKey, TValue{"!"}); 
-            UNIT_ASSERT_STRINGS_EQUAL(helloWorld.Payload, "hello, world!"); 
-            UNIT_ASSERT_VALUES_EQUAL(1, diMap.Size()); 
-        } 
-    } 
- 
-    template <typename TKey> 
-    void TestFindImpl(const TKey& key) { 
-        TDoubleIndexedMap<TPKey, TSKey, TValue, TMerger> diMap; 
- 
-        TValue& value = diMap.Upsert(key, TValue{"value"}); 
-        TValue* valuePtr = diMap.FindPtr(key); 
-        UNIT_ASSERT_UNEQUAL(nullptr, valuePtr); 
-        UNIT_ASSERT_EQUAL(&value, valuePtr); 
-    } 
- 
-    Y_UNIT_TEST(TestFind) { 
-        TestFindImpl(TPKey("test")); 
-        TestFindImpl(TSKey(42)); 
-    } 
- 
-    template <typename TKey> 
-    void TestEraseImpl(const TKey& key) { 
-        TDoubleIndexedMap<TPKey, TSKey, TValue, TMerger> diMap; 
- 
-        diMap.Upsert(key, TValue{"value"}); 
-        UNIT_ASSERT_VALUES_EQUAL(1, diMap.Size()); 
- 
-        diMap.Erase(key); 
-        UNIT_ASSERT_VALUES_EQUAL(0, diMap.Size()); 
- 
-        TValue* valuePtr = diMap.FindPtr(key); 
-        UNIT_ASSERT_EQUAL(nullptr, valuePtr); 
-    } 
- 
-    Y_UNIT_TEST(TestErase) { 
-        TestEraseImpl(TPKey("test")); 
-        TestEraseImpl(TSKey(42)); 
-    } 
-} 
- 
-} // NKikimr 
+
+#include <util/generic/string.h>
+#include <util/string/vector.h>
+
+namespace NKikimr {
+
+Y_UNIT_TEST_SUITE(DoubleIndexedTests) {
+    using TPKey = TString;
+    using TSKey = ui32;
+
+    struct TValue {
+        TString Payload;
+
+        TValue& Merge(TValue&& x) {
+            Payload = JoinStrings(TVector<TString>{Payload, x.Payload}, "");
+            return *this;
+        }
+
+        bool operator==(const TValue& x) const {
+            return Payload == x.Payload;
+        }
+    };
+
+    struct TMerger {
+        TValue& operator()(TValue& dst, TValue&& src) {
+            return dst.Merge(std::move(src));
+        }
+    };
+
+    Y_UNIT_TEST(TestUpsertBySingleKey) {
+        TDoubleIndexedMap<TPKey, TSKey, TValue, TMerger> diMap;
+
+        TValue& hello = diMap.Upsert(TPKey("test"), TValue{"hello"});
+        UNIT_ASSERT_STRINGS_EQUAL(hello.Payload, "hello");
+        UNIT_ASSERT_VALUES_EQUAL(1, diMap.Size());
+
+        TValue& world = diMap.Upsert(TSKey(42), TValue{"world"});
+        UNIT_ASSERT_STRINGS_EQUAL(world.Payload, "world");
+        UNIT_ASSERT_VALUES_EQUAL(2, diMap.Size());
+    }
+
+    Y_UNIT_TEST(TestUpsertByBothKeys) {
+        TDoubleIndexedMap<TPKey, TSKey, TValue, TMerger> diMap;
+
+        TValue& helloWorld = diMap.Upsert(TPKey("test"), TSKey(42), TValue{"hello, world"});
+        UNIT_ASSERT_STRINGS_EQUAL(helloWorld.Payload, "hello, world");
+        UNIT_ASSERT_VALUES_EQUAL(1, diMap.Size());
+    }
+
+    Y_UNIT_TEST(TestMerge) {
+        TPKey pKey("test");
+        TSKey sKey(42);
+
+        {
+            TDoubleIndexedMap<TPKey, TSKey, TValue, TMerger> diMap;
+
+            diMap.Upsert(pKey, TValue{"hello"});
+            TValue& helloWorld = diMap.Upsert(pKey, sKey, TValue{", world"});
+
+            UNIT_ASSERT_STRINGS_EQUAL(helloWorld.Payload, "hello, world");
+            UNIT_ASSERT_VALUES_EQUAL(1, diMap.Size());
+        }
+
+        {
+            TDoubleIndexedMap<TPKey, TSKey, TValue, TMerger> diMap;
+
+            diMap.Upsert(sKey, TValue{"world"});
+            TValue& worldHello = diMap.Upsert(pKey, sKey, TValue{", hello"});
+
+            UNIT_ASSERT_STRINGS_EQUAL(worldHello.Payload, "world, hello");
+            UNIT_ASSERT_VALUES_EQUAL(1, diMap.Size());
+        }
+
+        {
+            TDoubleIndexedMap<TPKey, TSKey, TValue, TMerger> diMap;
+
+            diMap.Upsert(pKey, TValue{"hello"});
+            UNIT_ASSERT_VALUES_EQUAL(1, diMap.Size());
+
+            diMap.Upsert(sKey, TValue{", world"});
+            UNIT_ASSERT_VALUES_EQUAL(2, diMap.Size());
+
+            TValue& helloWorld = diMap.Upsert(pKey, sKey, TValue{"!"});
+            UNIT_ASSERT_STRINGS_EQUAL(helloWorld.Payload, "hello, world!");
+            UNIT_ASSERT_VALUES_EQUAL(1, diMap.Size());
+        }
+    }
+
+    template <typename TKey>
+    void TestFindImpl(const TKey& key) {
+        TDoubleIndexedMap<TPKey, TSKey, TValue, TMerger> diMap;
+
+        TValue& value = diMap.Upsert(key, TValue{"value"});
+        TValue* valuePtr = diMap.FindPtr(key);
+        UNIT_ASSERT_UNEQUAL(nullptr, valuePtr);
+        UNIT_ASSERT_EQUAL(&value, valuePtr);
+    }
+
+    Y_UNIT_TEST(TestFind) {
+        TestFindImpl(TPKey("test"));
+        TestFindImpl(TSKey(42));
+    }
+
+    template <typename TKey>
+    void TestEraseImpl(const TKey& key) {
+        TDoubleIndexedMap<TPKey, TSKey, TValue, TMerger> diMap;
+
+        diMap.Upsert(key, TValue{"value"});
+        UNIT_ASSERT_VALUES_EQUAL(1, diMap.Size());
+
+        diMap.Erase(key);
+        UNIT_ASSERT_VALUES_EQUAL(0, diMap.Size());
+
+        TValue* valuePtr = diMap.FindPtr(key);
+        UNIT_ASSERT_EQUAL(nullptr, valuePtr);
+    }
+
+    Y_UNIT_TEST(TestErase) {
+        TestEraseImpl(TPKey("test"));
+        TestEraseImpl(TSKey(42));
+    }
+}
+
+} // NKikimr
diff --git a/ydb/core/tx/scheme_board/events.h b/ydb/core/tx/scheme_board/events.h
index 82a8100296..018ebbff7d 100644
--- a/ydb/core/tx/scheme_board/events.h
+++ b/ydb/core/tx/scheme_board/events.h
@@ -1,100 +1,100 @@
-#pragma once 
- 
-#include "defs.h" 
-#include "helpers.h" 
-#include "two_part_description.h" 
- 
+#pragma once
+
+#include "defs.h"
+#include "helpers.h"
+#include "two_part_description.h"
+
 #include <ydb/core/base/pathid.h>
 #include <ydb/core/base/statestorage.h>
 #include <ydb/core/protos/flat_tx_scheme.pb.h>
 #include <ydb/core/protos/scheme_board.pb.h>
- 
-#include <util/generic/string.h> 
-#include <util/string/builder.h> 
- 
-namespace NKikimr { 
- 
-struct TSchemeBoardEvents { 
+
+#include <util/generic/string.h>
+#include <util/string/builder.h>
+
+namespace NKikimr {
+
+struct TSchemeBoardEvents {
     using TDescribeSchemeResult = NKikimrScheme::TEvDescribeSchemeResult;
- 
-    enum EEv { 
-        // populator events 
-        EvRequestDescribe = EventSpaceBegin(TKikimrEvents::ES_SCHEME_BOARD), 
-        EvDescribeResult, 
-        EvRequestUpdate, 
- 
-        // replica <--> populator events 
-        EvHandshakeRequest = EvRequestDescribe + 512, // <- 
-        EvHandshakeResponse, // -> 
-        EvUpdate, // <- 
-        EvUpdateAck, // -> 
-        EvCommitRequest, // <- 
-        EvCommitResponse, // -> 
- 
-        // subscriber <--> replica events 
-        EvSubscribe = EvRequestDescribe + 2 * 512, // -> 
-        EvUnsubscribe, // -> 
-        EvNotify, // <- 
-        EvSyncVersionRequest, // -> 
-        EvSyncVersionResponse, // <- 
-        EvNotifyAck, // -> 
- 
-        // cache <--> subscriber events 
-        EvNotifyUpdate = EvRequestDescribe + 3 * 512, // <- 
-        EvNotifyDelete, // <- 
-        EvSyncRequest, // -> 
-        EvSyncResponse, // -> 
- 
-        EvEnd, 
-    }; 
- 
-    static_assert(EvEnd < EventSpaceEnd(TKikimrEvents::ES_SCHEME_BOARD), "expect End < EventSpaceEnd(ES_SCHEME_BOARD)"); 
- 
-    // populator events 
-    struct TEvRequestDescribe: public TEventLocal<TEvRequestDescribe, EvRequestDescribe> { 
+
+    enum EEv {
+        // populator events
+        EvRequestDescribe = EventSpaceBegin(TKikimrEvents::ES_SCHEME_BOARD),
+        EvDescribeResult,
+        EvRequestUpdate,
+
+        // replica <--> populator events
+        EvHandshakeRequest = EvRequestDescribe + 512, // <-
+        EvHandshakeResponse, // ->
+        EvUpdate, // <-
+        EvUpdateAck, // ->
+        EvCommitRequest, // <-
+        EvCommitResponse, // ->
+
+        // subscriber <--> replica events
+        EvSubscribe = EvRequestDescribe + 2 * 512, // ->
+        EvUnsubscribe, // ->
+        EvNotify, // <-
+        EvSyncVersionRequest, // ->
+        EvSyncVersionResponse, // <-
+        EvNotifyAck, // ->
+
+        // cache <--> subscriber events
+        EvNotifyUpdate = EvRequestDescribe + 3 * 512, // <-
+        EvNotifyDelete, // <-
+        EvSyncRequest, // ->
+        EvSyncResponse, // ->
+
+        EvEnd,
+    };
+
+    static_assert(EvEnd < EventSpaceEnd(TKikimrEvents::ES_SCHEME_BOARD), "expect End < EventSpaceEnd(ES_SCHEME_BOARD)");
+
+    // populator events
+    struct TEvRequestDescribe: public TEventLocal<TEvRequestDescribe, EvRequestDescribe> {
         const TPathId PathId;
         const TActorId Replica;
- 
-        TEvRequestDescribe() = default; 
- 
+
+        TEvRequestDescribe() = default;
+
         explicit TEvRequestDescribe(const TPathId pathId, const TActorId& replica)
             : PathId(pathId)
             , Replica(replica)
-        { 
-        } 
-    }; 
- 
-    struct TEvDescribeResult: public TEventLocal<TEvDescribeResult, EvDescribeResult> { 
+        {
+        }
+    };
+
+    struct TEvDescribeResult: public TEventLocal<TEvDescribeResult, EvDescribeResult> {
         const bool Commit = false;
         const TLocalPathId DeletedPathBegin = 0; // The points are inclusive
         const TLocalPathId DeletedPathEnd = 0; // [DeletedPathBegin; DeletedPathEnd]
         const TLocalPathId MigratedPathId = InvalidLocalPathId;
-        NSchemeBoard::TTwoPartDescription Description; 
- 
-        TEvDescribeResult() = default; 
- 
-        explicit TEvDescribeResult(const bool commit) 
-            : Commit(commit) 
-        { 
-        } 
- 
+        NSchemeBoard::TTwoPartDescription Description;
+
+        TEvDescribeResult() = default;
+
+        explicit TEvDescribeResult(const bool commit)
+            : Commit(commit)
+        {
+        }
+
         explicit TEvDescribeResult(TLocalPathId deletedPathBegin, TLocalPathId deletedPathEnd)
-            : Commit(false) 
+            : Commit(false)
             , DeletedPathBegin(deletedPathBegin)
             , DeletedPathEnd(deletedPathEnd)
-        { 
-        } 
- 
-        explicit TEvDescribeResult( 
+        {
+        }
+
+        explicit TEvDescribeResult(
                 TLocalPathId deletedPathBegin, TLocalPathId deletedPathEnd,
-                const NSchemeBoard::TTwoPartDescription& description) 
-            : Commit(false) 
+                const NSchemeBoard::TTwoPartDescription& description)
+            : Commit(false)
             , DeletedPathBegin(deletedPathBegin)
             , DeletedPathEnd(deletedPathEnd)
-            , Description(description) 
-        { 
-        } 
- 
+            , Description(description)
+        {
+        }
+
         explicit TEvDescribeResult(
                 TLocalPathId deletedPathBegin, TLocalPathId deletedPathEnd,
                 TLocalPathId migratedPathId)
@@ -105,17 +105,17 @@ struct TSchemeBoardEvents {
         {
         }
 
-        bool HasDeletedLocalPathIds() const { 
+        bool HasDeletedLocalPathIds() const {
             return DeletedPathBegin != 0;
-        } 
- 
-        bool HasMigratedPath() const { 
+        }
+
+        bool HasMigratedPath() const {
             return MigratedPathId != InvalidLocalPathId;
         }
 
-        bool HasDescription() const { 
-            return Description; 
-        } 
+        bool HasDescription() const {
+            return Description;
+        }
 
         TString ToString() const override {
             return TStringBuilder() << ToStringHeader() << " {"
@@ -125,79 +125,79 @@ struct TSchemeBoardEvents {
                 << " msg: " << Description.Record.ShortDebugString()
             << " }";
         }
-    }; 
- 
-    struct TEvRequestUpdate: public TEventLocal<TEvRequestUpdate, EvRequestUpdate> { 
-        const TPathId PathId; 
- 
-        TEvRequestUpdate() = default; 
- 
-        explicit TEvRequestUpdate(const TPathId pathId) 
-            : PathId(pathId) 
-        { 
-        } 
-    }; 
- 
-    // replica <--> populator events 
-    struct TEvHandshakeRequest: public TEventPB<TEvHandshakeRequest, NKikimrSchemeBoard::TEvHandshake, EvHandshakeRequest> { 
-        TEvHandshakeRequest() = default; 
- 
-        explicit TEvHandshakeRequest(const ui64 owner, const ui64 generation) { 
-            Record.SetOwner(owner); 
-            Record.SetGeneration(generation); 
-        } 
-    }; 
- 
-    struct TEvHandshakeResponse: public TEventPB<TEvHandshakeResponse, NKikimrSchemeBoard::TEvHandshake, EvHandshakeResponse> { 
-        TEvHandshakeResponse() = default; 
- 
-        explicit TEvHandshakeResponse(const ui64 owner, const ui64 generation) { 
-            Record.SetOwner(owner); 
-            Record.SetGeneration(generation); 
-        } 
-    }; 
- 
-    struct TEvUpdate: public TEventPreSerializedPB<TEvUpdate, NKikimrSchemeBoard::TEvUpdate, EvUpdate> { 
-        TEvUpdate() = default; 
- 
-        TPathId GetPathId() const { 
-            if (!Record.HasLocalPathId()) { 
-                return TPathId(); 
-            } 
- 
-            return TPathId( 
-                Record.HasPathOwnerId() ? Record.GetPathOwnerId() : Record.GetOwner(), 
-                Record.GetLocalPathId() 
-            ); 
-        } 
-    }; 
- 
-    struct TEvUpdateBuilder: public TEvUpdate { 
-        using TBase::Record; 
- 
-        TEvUpdateBuilder() = default; 
- 
-        explicit TEvUpdateBuilder(const ui64 owner, const ui64 generation) { 
-            Record.SetOwner(owner); 
-            Record.SetGeneration(generation); 
-        } 
- 
-        explicit TEvUpdateBuilder(const ui64 owner, const ui64 generation, const TPathId& pathId) { 
-            Record.SetOwner(owner); 
-            Record.SetGeneration(generation); 
-            Record.SetPathOwnerId(pathId.OwnerId); 
-            Record.SetLocalPathId(pathId.LocalPathId); 
-            Record.SetIsDeletion(true); 
-        } 
- 
-        explicit TEvUpdateBuilder( 
-            const ui64 owner, 
-            const ui64 generation, 
-            const TDescribeSchemeResult& describeSchemeResult, 
-            const bool isDeletion = false 
-        ) { 
-            Record.SetOwner(owner); 
-            Record.SetGeneration(generation); 
+    };
+
+    struct TEvRequestUpdate: public TEventLocal<TEvRequestUpdate, EvRequestUpdate> {
+        const TPathId PathId;
+
+        TEvRequestUpdate() = default;
+
+        explicit TEvRequestUpdate(const TPathId pathId)
+            : PathId(pathId)
+        {
+        }
+    };
+
+    // replica <--> populator events
+    struct TEvHandshakeRequest: public TEventPB<TEvHandshakeRequest, NKikimrSchemeBoard::TEvHandshake, EvHandshakeRequest> {
+        TEvHandshakeRequest() = default;
+
+        explicit TEvHandshakeRequest(const ui64 owner, const ui64 generation) {
+            Record.SetOwner(owner);
+            Record.SetGeneration(generation);
+        }
+    };
+
+    struct TEvHandshakeResponse: public TEventPB<TEvHandshakeResponse, NKikimrSchemeBoard::TEvHandshake, EvHandshakeResponse> {
+        TEvHandshakeResponse() = default;
+
+        explicit TEvHandshakeResponse(const ui64 owner, const ui64 generation) {
+            Record.SetOwner(owner);
+            Record.SetGeneration(generation);
+        }
+    };
+
+    struct TEvUpdate: public TEventPreSerializedPB<TEvUpdate, NKikimrSchemeBoard::TEvUpdate, EvUpdate> {
+        TEvUpdate() = default;
+
+        TPathId GetPathId() const {
+            if (!Record.HasLocalPathId()) {
+                return TPathId();
+            }
+
+            return TPathId(
+                Record.HasPathOwnerId() ? Record.GetPathOwnerId() : Record.GetOwner(),
+                Record.GetLocalPathId()
+            );
+        }
+    };
+
+    struct TEvUpdateBuilder: public TEvUpdate {
+        using TBase::Record;
+
+        TEvUpdateBuilder() = default;
+
+        explicit TEvUpdateBuilder(const ui64 owner, const ui64 generation) {
+            Record.SetOwner(owner);
+            Record.SetGeneration(generation);
+        }
+
+        explicit TEvUpdateBuilder(const ui64 owner, const ui64 generation, const TPathId& pathId) {
+            Record.SetOwner(owner);
+            Record.SetGeneration(generation);
+            Record.SetPathOwnerId(pathId.OwnerId);
+            Record.SetLocalPathId(pathId.LocalPathId);
+            Record.SetIsDeletion(true);
+        }
+
+        explicit TEvUpdateBuilder(
+            const ui64 owner,
+            const ui64 generation,
+            const TDescribeSchemeResult& describeSchemeResult,
+            const bool isDeletion = false
+        ) {
+            Record.SetOwner(owner);
+            Record.SetGeneration(generation);
             if (describeSchemeResult.HasPath()) {
                 Record.SetPath(describeSchemeResult.GetPath());
             }
@@ -205,285 +205,285 @@ struct TSchemeBoardEvents {
                 && describeSchemeResult.GetPathDescription().HasSelf()) {
                 Record.SetPathOwnerId(describeSchemeResult.GetPathDescription().GetSelf().GetSchemeshardId());
             }
-            Record.SetLocalPathId(describeSchemeResult.GetPathId()); 
+            Record.SetLocalPathId(describeSchemeResult.GetPathId());
             if (describeSchemeResult.HasPathOwnerId()) {
                 Record.SetPathOwnerId(describeSchemeResult.GetPathOwnerId());
             }
-            Record.SetIsDeletion(isDeletion); 
-        } 
-
-        void SetDescribeSchemeResult(TString preSerialized) { 
-            PreSerializedData = NSchemeBoard::PreSerializedProtoField( 
-                std::move(preSerialized), Record.kDescribeSchemeResultFieldNumber); 
-        } 
-
-        void SetDescribeSchemeResult(TDescribeSchemeResult describeSchemeResult) { 
-            *Record.MutableDescribeSchemeResult() = std::move(describeSchemeResult); 
-        }
- 
-        void SetDescribeSchemeResult(TString preSerialized, TDescribeSchemeResult describeSchemeResult) { 
-            SetDescribeSchemeResult(std::move(preSerialized)); 
-            SetDescribeSchemeResult(std::move(describeSchemeResult)); 
-        } 
- 
-        void SetDescribeSchemeResult(NSchemeBoard::TTwoPartDescription twoPart) { 
-            SetDescribeSchemeResult(std::move(twoPart.PreSerialized), std::move(twoPart.Record)); 
-        } 
-    }; 
- 
-    struct TEvUpdateAck: public TEventPB<TEvUpdateAck, NKikimrSchemeBoard::TEvUpdateAck, EvUpdateAck> { 
-        TEvUpdateAck() = default; 
- 
-        explicit TEvUpdateAck( 
-            const ui64 owner, 
-            const ui64 generation, 
+            Record.SetIsDeletion(isDeletion);
+        }
+
+        void SetDescribeSchemeResult(TString preSerialized) {
+            PreSerializedData = NSchemeBoard::PreSerializedProtoField(
+                std::move(preSerialized), Record.kDescribeSchemeResultFieldNumber);
+        }
+
+        void SetDescribeSchemeResult(TDescribeSchemeResult describeSchemeResult) {
+            *Record.MutableDescribeSchemeResult() = std::move(describeSchemeResult);
+        }
+
+        void SetDescribeSchemeResult(TString preSerialized, TDescribeSchemeResult describeSchemeResult) {
+            SetDescribeSchemeResult(std::move(preSerialized));
+            SetDescribeSchemeResult(std::move(describeSchemeResult));
+        }
+
+        void SetDescribeSchemeResult(NSchemeBoard::TTwoPartDescription twoPart) {
+            SetDescribeSchemeResult(std::move(twoPart.PreSerialized), std::move(twoPart.Record));
+        }
+    };
+
+    struct TEvUpdateAck: public TEventPB<TEvUpdateAck, NKikimrSchemeBoard::TEvUpdateAck, EvUpdateAck> {
+        TEvUpdateAck() = default;
+
+        explicit TEvUpdateAck(
+            const ui64 owner,
+            const ui64 generation,
             const TPathId pathId,
-            const ui64 version 
-        ) { 
-            Record.SetOwner(owner); 
-            Record.SetGeneration(generation); 
+            const ui64 version
+        ) {
+            Record.SetOwner(owner);
+            Record.SetGeneration(generation);
             Record.SetLocalPathId(pathId.LocalPathId);
-            Record.SetVersion(version); 
+            Record.SetVersion(version);
             Record.SetPathOwnerId(pathId.OwnerId);
-        } 
+        }
 
         TPathId GetPathId() const {
             return TPathId(
                 Record.HasPathOwnerId() ? Record.GetPathOwnerId() : Record.GetOwner(),
                 Record.GetLocalPathId()
-            ); 
-        }
-    }; 
- 
-    struct TEvCommitRequest: public TEventPB<TEvCommitRequest, NKikimrSchemeBoard::TEvCommitGeneration, EvCommitRequest> { 
-        TEvCommitRequest() = default; 
- 
-        explicit TEvCommitRequest(const ui64 owner, const ui64 generation) { 
-            Record.SetOwner(owner); 
-            Record.SetGeneration(generation); 
-        } 
-    }; 
- 
-    struct TEvCommitResponse: public TEventPB<TEvCommitResponse, NKikimrSchemeBoard::TEvCommitGeneration, EvCommitResponse> { 
-        TEvCommitResponse() = default; 
- 
-        explicit TEvCommitResponse(const ui64 owner, const ui64 generation) { 
-            Record.SetOwner(owner); 
-            Record.SetGeneration(generation); 
-        } 
-    }; 
- 
-    // subscriber <--> replica events 
-    struct TEvSubscribe: public TEventPB<TEvSubscribe, NKikimrSchemeBoard::TEvSubscribe, EvSubscribe> { 
-        TEvSubscribe() = default; 
- 
-        explicit TEvSubscribe(const TString& path, const ui64 domainOwnerId) { 
-            Record.SetPath(path); 
-            Record.SetDomainOwnerId(domainOwnerId); 
-            FillCapabilities(Record); 
-        } 
- 
-        explicit TEvSubscribe(const TPathId& pathId, const ui64 domainOwnerId) { 
+            );
+        }
+    };
+
+    struct TEvCommitRequest: public TEventPB<TEvCommitRequest, NKikimrSchemeBoard::TEvCommitGeneration, EvCommitRequest> {
+        TEvCommitRequest() = default;
+
+        explicit TEvCommitRequest(const ui64 owner, const ui64 generation) {
+            Record.SetOwner(owner);
+            Record.SetGeneration(generation);
+        }
+    };
+
+    struct TEvCommitResponse: public TEventPB<TEvCommitResponse, NKikimrSchemeBoard::TEvCommitGeneration, EvCommitResponse> {
+        TEvCommitResponse() = default;
+
+        explicit TEvCommitResponse(const ui64 owner, const ui64 generation) {
+            Record.SetOwner(owner);
+            Record.SetGeneration(generation);
+        }
+    };
+
+    // subscriber <--> replica events
+    struct TEvSubscribe: public TEventPB<TEvSubscribe, NKikimrSchemeBoard::TEvSubscribe, EvSubscribe> {
+        TEvSubscribe() = default;
+
+        explicit TEvSubscribe(const TString& path, const ui64 domainOwnerId) {
+            Record.SetPath(path);
+            Record.SetDomainOwnerId(domainOwnerId);
+            FillCapabilities(Record);
+        }
+
+        explicit TEvSubscribe(const TPathId& pathId, const ui64 domainOwnerId) {
             Record.SetPathOwnerId(pathId.OwnerId);
-            Record.SetLocalPathId(pathId.LocalPathId); 
-            Record.SetDomainOwnerId(domainOwnerId); 
-            FillCapabilities(Record); 
-        } 
- 
-        static void FillCapabilities(NKikimrSchemeBoard::TEvSubscribe& record) { 
-            record.MutableCapabilities()->SetAckNotifications(true); 
-        } 
-    }; 
- 
-    struct TEvUnsubscribe: public TEventPB<TEvUnsubscribe, NKikimrSchemeBoard::TEvUnsubscribe, EvUnsubscribe> { 
-        TEvUnsubscribe() = default; 
- 
-        explicit TEvUnsubscribe(const TString& path) { 
-            Record.SetPath(path); 
-        } 
- 
-        explicit TEvUnsubscribe(const TPathId& pathId) { 
+            Record.SetLocalPathId(pathId.LocalPathId);
+            Record.SetDomainOwnerId(domainOwnerId);
+            FillCapabilities(Record);
+        }
+
+        static void FillCapabilities(NKikimrSchemeBoard::TEvSubscribe& record) {
+            record.MutableCapabilities()->SetAckNotifications(true);
+        }
+    };
+
+    struct TEvUnsubscribe: public TEventPB<TEvUnsubscribe, NKikimrSchemeBoard::TEvUnsubscribe, EvUnsubscribe> {
+        TEvUnsubscribe() = default;
+
+        explicit TEvUnsubscribe(const TString& path) {
+            Record.SetPath(path);
+        }
+
+        explicit TEvUnsubscribe(const TPathId& pathId) {
             Record.SetPathOwnerId(pathId.OwnerId);
-            Record.SetLocalPathId(pathId.LocalPathId); 
-        } 
-    }; 
- 
-    struct TEvNotify: public TEventPreSerializedPB<TEvNotify, NKikimrSchemeBoard::TEvNotify, EvNotify> { 
-        TEvNotify() = default; 
-    }; 
- 
-    struct TEvNotifyBuilder: public TEvNotify { 
-        using TBase::Record; 
- 
-        TEvNotifyBuilder() = default; 
- 
-        explicit TEvNotifyBuilder(const TString& path, const bool isDeletion = false) { 
-            Record.SetPath(path); 
-            Record.SetIsDeletion(isDeletion); 
-        } 
- 
-        explicit TEvNotifyBuilder(const TPathId& pathId, const bool isDeletion = false) { 
+            Record.SetLocalPathId(pathId.LocalPathId);
+        }
+    };
+
+    struct TEvNotify: public TEventPreSerializedPB<TEvNotify, NKikimrSchemeBoard::TEvNotify, EvNotify> {
+        TEvNotify() = default;
+    };
+
+    struct TEvNotifyBuilder: public TEvNotify {
+        using TBase::Record;
+
+        TEvNotifyBuilder() = default;
+
+        explicit TEvNotifyBuilder(const TString& path, const bool isDeletion = false) {
+            Record.SetPath(path);
+            Record.SetIsDeletion(isDeletion);
+        }
+
+        explicit TEvNotifyBuilder(const TPathId& pathId, const bool isDeletion = false) {
             Record.SetPathOwnerId(pathId.OwnerId);
-            Record.SetLocalPathId(pathId.LocalPathId); 
-            Record.SetIsDeletion(isDeletion); 
-        } 
- 
-        explicit TEvNotifyBuilder( 
-            const TString& path, 
-            const TPathId& pathId, 
-            const bool isDeletion = false 
-        ) { 
-            Record.SetPath(path); 
+            Record.SetLocalPathId(pathId.LocalPathId);
+            Record.SetIsDeletion(isDeletion);
+        }
+
+        explicit TEvNotifyBuilder(
+            const TString& path,
+            const TPathId& pathId,
+            const bool isDeletion = false
+        ) {
+            Record.SetPath(path);
             Record.SetPathOwnerId(pathId.OwnerId);
-            Record.SetLocalPathId(pathId.LocalPathId); 
-            Record.SetIsDeletion(isDeletion); 
-        } 
- 
-        void SetDescribeSchemeResult(const TString& preSerialized) { 
-            PreSerializedData = NSchemeBoard::PreSerializedProtoField( 
-                preSerialized, Record.kDescribeSchemeResultFieldNumber); 
-        } 
-    }; 
- 
-    struct TEvNotifyAck: public TEventPB<TEvNotifyAck, NKikimrSchemeBoard::TEvNotifyAck, EvNotifyAck> { 
-        TEvNotifyAck() = default; 
- 
-        explicit TEvNotifyAck(ui64 version) { 
-            Record.SetVersion(version); 
-        } 
-    }; 
- 
-    struct TEvSyncVersionRequest: public TEventPB<TEvSyncVersionRequest, NKikimrSchemeBoard::TEvSyncVersionRequest, EvSyncVersionRequest> { 
-        TEvSyncVersionRequest() = default; 
- 
-        explicit TEvSyncVersionRequest(const TString& path) { 
-            Record.SetPath(path); 
-        } 
- 
-        explicit TEvSyncVersionRequest(const TPathId& pathId) { 
+            Record.SetLocalPathId(pathId.LocalPathId);
+            Record.SetIsDeletion(isDeletion);
+        }
+
+        void SetDescribeSchemeResult(const TString& preSerialized) {
+            PreSerializedData = NSchemeBoard::PreSerializedProtoField(
+                preSerialized, Record.kDescribeSchemeResultFieldNumber);
+        }
+    };
+
+    struct TEvNotifyAck: public TEventPB<TEvNotifyAck, NKikimrSchemeBoard::TEvNotifyAck, EvNotifyAck> {
+        TEvNotifyAck() = default;
+
+        explicit TEvNotifyAck(ui64 version) {
+            Record.SetVersion(version);
+        }
+    };
+
+    struct TEvSyncVersionRequest: public TEventPB<TEvSyncVersionRequest, NKikimrSchemeBoard::TEvSyncVersionRequest, EvSyncVersionRequest> {
+        TEvSyncVersionRequest() = default;
+
+        explicit TEvSyncVersionRequest(const TString& path) {
+            Record.SetPath(path);
+        }
+
+        explicit TEvSyncVersionRequest(const TPathId& pathId) {
             Record.SetPathOwnerId(pathId.OwnerId);
-            Record.SetLocalPathId(pathId.LocalPathId); 
-        } 
-    }; 
- 
-    struct TEvSyncVersionResponse: public TEventPB<TEvSyncVersionResponse, NKikimrSchemeBoard::TEvSyncVersionResponse, EvSyncVersionResponse> { 
-        TEvSyncVersionResponse() = default; 
- 
-        explicit TEvSyncVersionResponse(const ui64 version, const bool partial = false) { 
-            Record.SetVersion(version); 
-            Record.SetPartial(partial); 
-        } 
-    }; 
- 
-    // cache <--> subscriber events 
-    struct TEvNotifyUpdate: public TEventLocal<TEvNotifyUpdate, EvNotifyUpdate> { 
-        TString Path; 
-        TPathId PathId; 
-        TDescribeSchemeResult DescribeSchemeResult; 
- 
-        TEvNotifyUpdate() = default; 
- 
-        explicit TEvNotifyUpdate( 
-            const TString& path, 
-            TDescribeSchemeResult&& describeSchemeResult) 
-            : Path(path) 
-            , DescribeSchemeResult(std::move(describeSchemeResult)) 
-        { 
-        } 
- 
-        explicit TEvNotifyUpdate( 
-            const TPathId& pathId, 
-            TDescribeSchemeResult&& describeSchemeResult) 
-            : PathId(pathId) 
-            , DescribeSchemeResult(std::move(describeSchemeResult)) 
-        { 
-        } 
- 
-        explicit TEvNotifyUpdate( 
-            const TString& path, 
-            const TPathId& pathId, 
-            TDescribeSchemeResult&& describeSchemeResult) 
-            : Path(path) 
-            , PathId(pathId) 
-            , DescribeSchemeResult(std::move(describeSchemeResult)) 
-        { 
-        } 
- 
-        TString ToString() const override { 
-            return TStringBuilder() << ToStringHeader() << " {" 
-                << " Path: " << Path 
-                << " PathId: " << PathId 
-                << " DescribeSchemeResult: " << DescribeSchemeResult.ShortDebugString() 
-            << " }"; 
-        } 
-    }; 
- 
-    struct TEvNotifyDelete: public TEventLocal<TEvNotifyDelete, EvNotifyDelete> { 
-        TString Path; 
-        TPathId PathId; 
-        bool Strong; 
- 
-        TEvNotifyDelete() = default; 
- 
-        explicit TEvNotifyDelete(const TString& path, bool strong) 
-            : Path(path) 
-            , Strong(strong) 
-        { 
-        } 
- 
-        explicit TEvNotifyDelete(const TPathId& pathId, bool strong) 
-            : PathId(pathId) 
-            , Strong(strong) 
-        { 
-        } 
- 
-        explicit TEvNotifyDelete(const TString& path, const TPathId& pathId, bool strong) 
-            : Path(path) 
-            , PathId(pathId) 
-            , Strong(strong) 
-        { 
-        } 
- 
-        TString ToString() const override { 
-            return TStringBuilder() << ToStringHeader() << " {" 
-                << " Path: " << Path 
-                << " PathId: " << PathId 
-                << " Strong: " << Strong 
-            << " }"; 
-        } 
-    }; 
- 
-    struct TEvSyncRequest: public TEventLocal<TEvSyncRequest, EvSyncRequest> { 
-    }; 
- 
-    struct TEvSyncResponse: public TEventLocal<TEvSyncResponse, EvSyncResponse> { 
-        TString Path; 
-        TPathId PathId; 
-        bool Partial; 
- 
-        TEvSyncResponse() = default; 
- 
-        explicit TEvSyncResponse(const TString& path, const bool partial = false) 
-            : Path(path) 
-            , Partial(partial) 
-        { 
-        } 
- 
-        explicit TEvSyncResponse(const TPathId& pathId, const bool partial = false) 
-            : PathId(pathId) 
-            , Partial(partial) 
-        { 
-        } 
- 
-        TString ToString() const override { 
-            return TStringBuilder() << ToStringHeader() << " {" 
-                << " Path: " << Path 
-                << " PathId: " << PathId 
-                << " Partial: " << Partial 
-            << " }"; 
-        } 
-    }; 
- 
-}; // TSchemeBoardEvents 
- 
-} // NKikimr 
+            Record.SetLocalPathId(pathId.LocalPathId);
+        }
+    };
+
+    struct TEvSyncVersionResponse: public TEventPB<TEvSyncVersionResponse, NKikimrSchemeBoard::TEvSyncVersionResponse, EvSyncVersionResponse> {
+        TEvSyncVersionResponse() = default;
+
+        explicit TEvSyncVersionResponse(const ui64 version, const bool partial = false) {
+            Record.SetVersion(version);
+            Record.SetPartial(partial);
+        }
+    };
+
+    // cache <--> subscriber events
+    struct TEvNotifyUpdate: public TEventLocal<TEvNotifyUpdate, EvNotifyUpdate> {
+        TString Path;
+        TPathId PathId;
+        TDescribeSchemeResult DescribeSchemeResult;
+
+        TEvNotifyUpdate() = default;
+
+        explicit TEvNotifyUpdate(
+            const TString& path,
+            TDescribeSchemeResult&& describeSchemeResult)
+            : Path(path)
+            , DescribeSchemeResult(std::move(describeSchemeResult))
+        {
+        }
+
+        explicit TEvNotifyUpdate(
+            const TPathId& pathId,
+            TDescribeSchemeResult&& describeSchemeResult)
+            : PathId(pathId)
+            , DescribeSchemeResult(std::move(describeSchemeResult))
+        {
+        }
+
+        explicit TEvNotifyUpdate(
+            const TString& path,
+            const TPathId& pathId,
+            TDescribeSchemeResult&& describeSchemeResult)
+            : Path(path)
+            , PathId(pathId)
+            , DescribeSchemeResult(std::move(describeSchemeResult))
+        {
+        }
+
+        TString ToString() const override {
+            return TStringBuilder() << ToStringHeader() << " {"
+                << " Path: " << Path
+                << " PathId: " << PathId
+                << " DescribeSchemeResult: " << DescribeSchemeResult.ShortDebugString()
+            << " }";
+        }
+    };
+
+    struct TEvNotifyDelete: public TEventLocal<TEvNotifyDelete, EvNotifyDelete> {
+        TString Path;
+        TPathId PathId;
+        bool Strong;
+
+        TEvNotifyDelete() = default;
+
+        explicit TEvNotifyDelete(const TString& path, bool strong)
+            : Path(path)
+            , Strong(strong)
+        {
+        }
+
+        explicit TEvNotifyDelete(const TPathId& pathId, bool strong)
+            : PathId(pathId)
+            , Strong(strong)
+        {
+        }
+
+        explicit TEvNotifyDelete(const TString& path, const TPathId& pathId, bool strong)
+            : Path(path)
+            , PathId(pathId)
+            , Strong(strong)
+        {
+        }
+
+        TString ToString() const override {
+            return TStringBuilder() << ToStringHeader() << " {"
+                << " Path: " << Path
+                << " PathId: " << PathId
+                << " Strong: " << Strong
+            << " }";
+        }
+    };
+
+    struct TEvSyncRequest: public TEventLocal<TEvSyncRequest, EvSyncRequest> {
+    };
+
+    struct TEvSyncResponse: public TEventLocal<TEvSyncResponse, EvSyncResponse> {
+        TString Path;
+        TPathId PathId;
+        bool Partial;
+
+        TEvSyncResponse() = default;
+
+        explicit TEvSyncResponse(const TString& path, const bool partial = false)
+            : Path(path)
+            , Partial(partial)
+        {
+        }
+
+        explicit TEvSyncResponse(const TPathId& pathId, const bool partial = false)
+            : PathId(pathId)
+            , Partial(partial)
+        {
+        }
+
+        TString ToString() const override {
+            return TStringBuilder() << ToStringHeader() << " {"
+                << " Path: " << Path
+                << " PathId: " << PathId
+                << " Partial: " << Partial
+            << " }";
+        }
+    };
+
+}; // TSchemeBoardEvents
+
+} // NKikimr
diff --git a/ydb/core/tx/scheme_board/helpers.cpp b/ydb/core/tx/scheme_board/helpers.cpp
index 7eb60f6ab9..3b53323ad3 100644
--- a/ydb/core/tx/scheme_board/helpers.cpp
+++ b/ydb/core/tx/scheme_board/helpers.cpp
@@ -1,39 +1,39 @@
-#include "helpers.h" 
- 
+#include "helpers.h"
+
 #include <google/protobuf/io/coded_stream.h>
 #include <google/protobuf/io/zero_copy_stream_impl_lite.h>
 #include <google/protobuf/wire_format_lite.h>
- 
+
 #include <library/cpp/actors/core/executor_thread.h>
 #include <library/cpp/actors/core/interconnect.h>
- 
-#include <util/stream/format.h> 
- 
-namespace NKikimr { 
-namespace NSchemeBoard { 
- 
+
+#include <util/stream/format.h>
+
+namespace NKikimr {
+namespace NSchemeBoard {
+
 TActorId MakeInterconnectProxyId(const ui32 nodeId) {
     return TActivationContext::InterconnectProxy(nodeId);
-} 
- 
+}
+
 ui64 GetPathVersion(const NKikimrScheme::TEvDescribeSchemeResult& record) {
-    if (!record.HasPathDescription()) { 
-        return 0; 
-    } 
- 
-    const auto& pathDescription = record.GetPathDescription(); 
-    if (!pathDescription.HasSelf()) { 
-        return 0; 
-    } 
- 
-    const auto& self = pathDescription.GetSelf(); 
-    if (!self.HasPathVersion()) { 
-        return 0; 
-    } 
- 
-    return self.GetPathVersion(); 
-} 
- 
+    if (!record.HasPathDescription()) {
+        return 0;
+    }
+
+    const auto& pathDescription = record.GetPathDescription();
+    if (!pathDescription.HasSelf()) {
+        return 0;
+    }
+
+    const auto& self = pathDescription.GetSelf();
+    if (!self.HasPathVersion()) {
+        return 0;
+    }
+
+    return self.GetPathVersion();
+}
+
 TPathId GetPathId(const NKikimrScheme::TEvDescribeSchemeResult &record) {
     if (record.HasPathId() && record.HasPathOwnerId()) {
         return TPathId(record.GetPathOwnerId(), record.GetPathId());
@@ -64,9 +64,9 @@ TDomainId GetDomainId(const NKikimrScheme::TEvDescribeSchemeResult &record) {
         return TDomainId();
     }
 
-    const auto& domainKey = pathDescription.GetDomainDescription().GetDomainKey(); 
+    const auto& domainKey = pathDescription.GetDomainDescription().GetDomainKey();
 
-    return TDomainId(domainKey.GetSchemeShard(), domainKey.GetPathId()); 
+    return TDomainId(domainKey.GetSchemeShard(), domainKey.GetPathId());
 }
 
 TSet<ui64> GetAbandonedSchemeShardIds(const NKikimrScheme::TEvDescribeSchemeResult &record) {
@@ -78,40 +78,40 @@ TSet<ui64> GetAbandonedSchemeShardIds(const NKikimrScheme::TEvDescribeSchemeResu
     return TSet<ui64>(
         pathDescription.GetAbandonedTenantsSchemeShards().begin(),
         pathDescription.GetAbandonedTenantsSchemeShards().end()
-    ); 
+    );
 }
 
-TIntrusivePtr<TEventSerializedData> SerializeEvent(IEventBase* ev) { 
-    TAllocChunkSerializer serializer; 
+TIntrusivePtr<TEventSerializedData> SerializeEvent(IEventBase* ev) {
+    TAllocChunkSerializer serializer;
     Y_VERIFY(ev->SerializeToArcadiaStream(&serializer));
-    return serializer.Release(ev->IsExtendedFormat()); 
-} 
- 
+    return serializer.Release(ev->IsExtendedFormat());
+}
+
 void MultiSend(const TVector<const TActorId*>& recipients, const TActorId& sender, TAutoPtr<IEventBase> ev, ui32 flags, ui64 cookie) {
-    auto buffer = SerializeEvent(ev.Get()); 
+    auto buffer = SerializeEvent(ev.Get());
     for (const TActorId* recipient : recipients) {
-        TlsActivationContext->Send(new IEventHandle( 
-            ev->Type(), flags, *recipient, sender, buffer, cookie 
-        )); 
-    } 
-} 
- 
-TString PreSerializedProtoField(TString data, int fieldNo) { 
-    using CodedOutputStream = google::protobuf::io::CodedOutputStream; 
-    using StringOutputStream = google::protobuf::io::StringOutputStream; 
-    using WireFormat = google::protobuf::internal::WireFormatLite; 
- 
-    TString key; 
-    { 
-        StringOutputStream stream(&key); 
-        CodedOutputStream output(&stream); 
-        WireFormat::WriteTag(fieldNo, WireFormat::WireType::WIRETYPE_LENGTH_DELIMITED, &output); 
-        output.WriteVarint32(data.size()); 
-    } 
- 
-    data.prepend(key); 
-    return data; 
-} 
- 
-} // NSchemeBoard 
-} // NKikimr 
+        TlsActivationContext->Send(new IEventHandle(
+            ev->Type(), flags, *recipient, sender, buffer, cookie
+        ));
+    }
+}
+
+TString PreSerializedProtoField(TString data, int fieldNo) {
+    using CodedOutputStream = google::protobuf::io::CodedOutputStream;
+    using StringOutputStream = google::protobuf::io::StringOutputStream;
+    using WireFormat = google::protobuf::internal::WireFormatLite;
+
+    TString key;
+    {
+        StringOutputStream stream(&key);
+        CodedOutputStream output(&stream);
+        WireFormat::WriteTag(fieldNo, WireFormat::WireType::WIRETYPE_LENGTH_DELIMITED, &output);
+        output.WriteVarint32(data.size());
+    }
+
+    data.prepend(key);
+    return data;
+}
+
+} // NSchemeBoard
+} // NKikimr
diff --git a/ydb/core/tx/scheme_board/helpers.h b/ydb/core/tx/scheme_board/helpers.h
index 7117e3ccc3..3b07df3e06 100644
--- a/ydb/core/tx/scheme_board/helpers.h
+++ b/ydb/core/tx/scheme_board/helpers.h
@@ -1,55 +1,55 @@
-#pragma once 
- 
-#include "defs.h" 
+#pragma once
+
+#include "defs.h"
 #include <ydb/core/base/pathid.h>
- 
+
 #include <ydb/core/protos/flat_tx_scheme.pb.h>
- 
+
 #include <library/cpp/actors/core/log.h>
 
-#include <util/generic/vector.h> 
+#include <util/generic/vector.h>
 #include <util/generic/set.h>
- 
-#if defined SB_LOG_T || \ 
-    defined SB_LOG_D || \ 
-    defined SB_LOG_I || \ 
-    defined SB_LOG_N || \ 
-    defined SB_LOG_W || \ 
-    defined SB_LOG_E || \ 
-    defined SB_LOG_CRIT 
-#error log macro redefinition 
-#endif 
- 
-#define SB_LOG_T(service, stream) LOG_TRACE_S((TlsActivationContext->AsActorContext()), NKikimrServices::service, stream) 
-#define SB_LOG_D(service, stream) LOG_DEBUG_S((TlsActivationContext->AsActorContext()), NKikimrServices::service, stream) 
-#define SB_LOG_I(service, stream) LOG_INFO_S((TlsActivationContext->AsActorContext()), NKikimrServices::service, stream) 
-#define SB_LOG_N(service, stream) LOG_NOTICE_S((TlsActivationContext->AsActorContext()), NKikimrServices::service, stream) 
-#define SB_LOG_W(service, stream) LOG_WARN_S((TlsActivationContext->AsActorContext()), NKikimrServices::service, stream) 
-#define SB_LOG_E(service, stream) LOG_ERROR_S((TlsActivationContext->AsActorContext()), NKikimrServices::service, stream) 
+
+#if defined SB_LOG_T || \
+    defined SB_LOG_D || \
+    defined SB_LOG_I || \
+    defined SB_LOG_N || \
+    defined SB_LOG_W || \
+    defined SB_LOG_E || \
+    defined SB_LOG_CRIT
+#error log macro redefinition
+#endif
+
+#define SB_LOG_T(service, stream) LOG_TRACE_S((TlsActivationContext->AsActorContext()), NKikimrServices::service, stream)
+#define SB_LOG_D(service, stream) LOG_DEBUG_S((TlsActivationContext->AsActorContext()), NKikimrServices::service, stream)
+#define SB_LOG_I(service, stream) LOG_INFO_S((TlsActivationContext->AsActorContext()), NKikimrServices::service, stream)
+#define SB_LOG_N(service, stream) LOG_NOTICE_S((TlsActivationContext->AsActorContext()), NKikimrServices::service, stream)
+#define SB_LOG_W(service, stream) LOG_WARN_S((TlsActivationContext->AsActorContext()), NKikimrServices::service, stream)
+#define SB_LOG_E(service, stream) LOG_ERROR_S((TlsActivationContext->AsActorContext()), NKikimrServices::service, stream)
 #define SB_LOG_CRIT(service, stream) LOG_CRIT_S((TlsActivationContext->AsActorContext()), NKikimrServices::service, stream)
- 
-namespace NKikimr { 
-namespace NSchemeBoard { 
- 
+
+namespace NKikimr {
+namespace NSchemeBoard {
+
 using TDomainId = TPathId;
- 
+
 TActorId MakeInterconnectProxyId(const ui32 nodeId);
 ui64 GetPathVersion(const NKikimrScheme::TEvDescribeSchemeResult& record);
 TPathId GetPathId(const NKikimrScheme::TEvDescribeSchemeResult& record);
 TDomainId GetDomainId(const NKikimrScheme::TEvDescribeSchemeResult& record);
 TSet<ui64> GetAbandonedSchemeShardIds(const NKikimrScheme::TEvDescribeSchemeResult &record);
- 
-TIntrusivePtr<TEventSerializedData> SerializeEvent(IEventBase* ev); 
- 
+
+TIntrusivePtr<TEventSerializedData> SerializeEvent(IEventBase* ev);
+
 void MultiSend(const TVector<const TActorId*>& recipients, const TActorId& sender, TAutoPtr<IEventBase> ev, ui32 flags = 0, ui64 cookie = 0);
- 
-template <typename TEvent> 
+
+template <typename TEvent>
 void MultiSend(const TVector<const TActorId*>& recipients, const TActorId& sender, THolder<TEvent> ev, ui32 flags = 0, ui64 cookie = 0) {
-    MultiSend(recipients, sender, static_cast<IEventBase*>(ev.Release()), flags, cookie); 
-} 
- 
-// Only string or embed message fields are supported (it used wire type = 2 internally) 
-TString PreSerializedProtoField(TString data, int fieldNo); 
- 
-} // NSchemeBoard 
-} // NKikimr 
+    MultiSend(recipients, sender, static_cast<IEventBase*>(ev.Release()), flags, cookie);
+}
+
+// Only string or embed message fields are supported (it used wire type = 2 internally)
+TString PreSerializedProtoField(TString data, int fieldNo);
+
+} // NSchemeBoard
+} // NKikimr
diff --git a/ydb/core/tx/scheme_board/load_test.cpp b/ydb/core/tx/scheme_board/load_test.cpp
index bf446b28f5..d993f1e5ed 100644
--- a/ydb/core/tx/scheme_board/load_test.cpp
+++ b/ydb/core/tx/scheme_board/load_test.cpp
@@ -1,424 +1,424 @@
-#include "events.h" 
-#include "helpers.h" 
-#include "load_test.h" 
-#include "populator.h" 
-#include "subscriber.h" 
- 
+#include "events.h"
+#include "helpers.h"
+#include "load_test.h"
+#include "populator.h"
+#include "subscriber.h"
+
 #include <ydb/core/base/statestorage_impl.h>
 #include <ydb/core/base/tabletid.h>
 #include <ydb/core/protos/flat_scheme_op.pb.h>
 #include <ydb/core/protos/flat_tx_scheme.pb.h>
 #include <ydb/core/tx/schemeshard/schemeshard.h>
- 
+
 #include <library/cpp/actors/core/actor_bootstrapped.h>
 #include <library/cpp/actors/core/hfunc.h>
- 
-#include <util/generic/ptr.h> 
-#include <util/generic/ylimits.h> 
-#include <util/random/random.h> 
-#include <util/string/builder.h> 
- 
-namespace NKikimr { 
-namespace NSchemeBoard { 
- 
-namespace { 
- 
+
+#include <util/generic/ptr.h>
+#include <util/generic/ylimits.h>
+#include <util/random/random.h>
+#include <util/string/builder.h>
+
+namespace NKikimr {
+namespace NSchemeBoard {
+
+namespace {
+
     bool IsDir(const NKikimrScheme::TEvDescribeSchemeResult& record) {
-        const auto& self = record.GetPathDescription().GetSelf(); 
+        const auto& self = record.GetPathDescription().GetSelf();
         return self.GetParentPathId() == NSchemeShard::RootPathId;
-    } 
- 
-    bool IsDir(const TTwoPartDescription& desc) { 
-        return IsDir(desc.Record); 
-    } 
- 
-} // anonymous 
- 
-class TLoadProducer: public TActorBootstrapped<TLoadProducer> { 
+    }
+
+    bool IsDir(const TTwoPartDescription& desc) {
+        return IsDir(desc.Record);
+    }
+
+} // anonymous
+
+class TLoadProducer: public TActorBootstrapped<TLoadProducer> {
     using TDescription = NKikimrScheme::TEvDescribeSchemeResult;
-    using TDescriptions = TMap<TPathId, TTwoPartDescription>; 
+    using TDescriptions = TMap<TPathId, TTwoPartDescription>;
     using TDescribeSchemeResult = NSchemeShard::TEvSchemeShard::TEvDescribeSchemeResultBuilder;
- 
-    enum EWakeupTag { 
-        TAG_MODIFY, 
-        TAG_CHANGE, 
-    }; 
- 
-    static TDescriptions GenerateDescriptions(ui64 owner, const TTestConfig& config, ui64& nextPathId) { 
-        const ui64 version = TlsActivationContext->Now().GetValue(); 
- 
-        TDescriptions descriptions; 
- 
-        for (ui64 dir = 1; dir <= config.Dirs; ++dir) { 
-            const TString dirName = TStringBuilder() << "dir-" << dir; 
-            const TString dirPath = TStringBuilder() << "/Root" << "/" << dirName; 
- 
-            TTwoPartDescription dirDescTwoPart; 
-            TDescription& dirDesc = dirDescTwoPart.Record; 
- 
+
+    enum EWakeupTag {
+        TAG_MODIFY,
+        TAG_CHANGE,
+    };
+
+    static TDescriptions GenerateDescriptions(ui64 owner, const TTestConfig& config, ui64& nextPathId) {
+        const ui64 version = TlsActivationContext->Now().GetValue();
+
+        TDescriptions descriptions;
+
+        for (ui64 dir = 1; dir <= config.Dirs; ++dir) {
+            const TString dirName = TStringBuilder() << "dir-" << dir;
+            const TString dirPath = TStringBuilder() << "/Root" << "/" << dirName;
+
+            TTwoPartDescription dirDescTwoPart;
+            TDescription& dirDesc = dirDescTwoPart.Record;
+
             dirDesc.SetStatus(NKikimrScheme::StatusSuccess);
-            dirDesc.SetPathOwner(owner); 
-            dirDesc.SetPathId(nextPathId++); 
-            dirDesc.SetPath(dirPath); 
- 
-            auto& dirSelf = *dirDesc.MutablePathDescription()->MutableSelf(); 
-            dirSelf.SetName(dirName); 
-            dirSelf.SetPathId(dirDesc.GetPathId()); 
-            dirSelf.SetSchemeshardId(dirDesc.GetPathOwner()); 
+            dirDesc.SetPathOwner(owner);
+            dirDesc.SetPathId(nextPathId++);
+            dirDesc.SetPath(dirPath);
+
+            auto& dirSelf = *dirDesc.MutablePathDescription()->MutableSelf();
+            dirSelf.SetName(dirName);
+            dirSelf.SetPathId(dirDesc.GetPathId());
+            dirSelf.SetSchemeshardId(dirDesc.GetPathOwner());
             dirSelf.SetPathType(NKikimrSchemeOp::EPathTypeDir);
-            dirSelf.SetCreateFinished(true); 
-            dirSelf.SetCreateTxId(1); 
-            dirSelf.SetCreateStep(1); 
+            dirSelf.SetCreateFinished(true);
+            dirSelf.SetCreateTxId(1);
+            dirSelf.SetCreateStep(1);
             dirSelf.SetParentPathId(NSchemeShard::RootPathId);
             dirSelf.SetPathState(NKikimrSchemeOp::EPathStateNoChanges);
-            dirSelf.SetPathVersion(version); 
- 
-            auto& dirChildren = *dirDesc.MutablePathDescription()->MutableChildren(); 
-            dirChildren.Reserve(config.ObjectsPerDir); 
- 
-            for (ui64 obj = 1; obj <= config.ObjectsPerDir; ++obj) { 
-                const TString objName = TStringBuilder() << "obj-" << obj; 
-                const TString objPath = TStringBuilder() << dirPath << "/" << objName; 
- 
-                TTwoPartDescription objDescTwoPart; 
-                TDescription& objDesc = objDescTwoPart.Record; 
- 
+            dirSelf.SetPathVersion(version);
+
+            auto& dirChildren = *dirDesc.MutablePathDescription()->MutableChildren();
+            dirChildren.Reserve(config.ObjectsPerDir);
+
+            for (ui64 obj = 1; obj <= config.ObjectsPerDir; ++obj) {
+                const TString objName = TStringBuilder() << "obj-" << obj;
+                const TString objPath = TStringBuilder() << dirPath << "/" << objName;
+
+                TTwoPartDescription objDescTwoPart;
+                TDescription& objDesc = objDescTwoPart.Record;
+
                 objDesc.SetStatus(NKikimrScheme::StatusSuccess);
-                objDesc.SetPathOwner(owner); 
-                objDesc.SetPathId(nextPathId++); 
-                objDesc.SetPath(objPath); 
- 
-                auto& objSelf = *objDesc.MutablePathDescription()->MutableSelf(); 
-                objSelf.SetName(objName); 
+                objDesc.SetPathOwner(owner);
+                objDesc.SetPathId(nextPathId++);
+                objDesc.SetPath(objPath);
+
+                auto& objSelf = *objDesc.MutablePathDescription()->MutableSelf();
+                objSelf.SetName(objName);
                 objSelf.SetPathType(NKikimrSchemeOp::EPathTypeDir);
-                dirChildren.Add()->CopyFrom(objSelf); 
- 
-                objSelf.SetPathId(objDesc.GetPathId()); 
-                objSelf.SetSchemeshardId(objDesc.GetPathOwner()); 
-                objSelf.SetCreateFinished(true); 
-                objSelf.SetCreateTxId(1); 
-                objSelf.SetCreateStep(1); 
-                objSelf.SetParentPathId(dirDesc.GetPathId()); 
+                dirChildren.Add()->CopyFrom(objSelf);
+
+                objSelf.SetPathId(objDesc.GetPathId());
+                objSelf.SetSchemeshardId(objDesc.GetPathOwner());
+                objSelf.SetCreateFinished(true);
+                objSelf.SetCreateTxId(1);
+                objSelf.SetCreateStep(1);
+                objSelf.SetParentPathId(dirDesc.GetPathId());
                 objSelf.SetPathState(NKikimrSchemeOp::EPathStateNoChanges);
-                objSelf.SetPathVersion(version); 
- 
-                descriptions[TPathId(owner, objDesc.GetPathId())] = std::move(objDescTwoPart); 
-            } 
- 
-            descriptions[TPathId(owner, dirDesc.GetPathId())] = std::move(dirDescTwoPart); 
-        } 
- 
-        return descriptions; 
-    } 
- 
+                objSelf.SetPathVersion(version);
+
+                descriptions[TPathId(owner, objDesc.GetPathId())] = std::move(objDescTwoPart);
+            }
+
+            descriptions[TPathId(owner, dirDesc.GetPathId())] = std::move(dirDescTwoPart);
+        }
+
+        return descriptions;
+    }
+
     TPathId RandomPathId(bool allowDir = true) const {
-        while (true) { 
+        while (true) {
             const TPathId pathId(Owner, RandomNumber(NextPathId));
- 
-            if (!Descriptions.contains(pathId)) { 
-                continue; 
-            } 
- 
-            if (!allowDir && IsDir(Descriptions.at(pathId))) { 
-                continue; 
-            } 
- 
-            return pathId; 
-        } 
- 
-        Y_FAIL("Unreachable"); 
-    } 
- 
+
+            if (!Descriptions.contains(pathId)) {
+                continue;
+            }
+
+            if (!allowDir && IsDir(Descriptions.at(pathId))) {
+                continue;
+            }
+
+            return pathId;
+        }
+
+        Y_FAIL("Unreachable");
+    }
+
     void Modify(TPathId pathId) {
-        Y_VERIFY(Descriptions.contains(pathId)); 
- 
-        TDescription& description = Descriptions.at(pathId).Record; 
-        auto& self = *description.MutablePathDescription()->MutableSelf(); 
-        self.SetPathVersion(TlsActivationContext->Now().GetValue()); 
- 
-        auto describeSchemeResult = MakeHolder<TDescribeSchemeResult>(); 
-        describeSchemeResult->Record.CopyFrom(description); 
-        Send(Populator, std::move(describeSchemeResult)); 
- 
-        ++*ModifiedPaths; 
-    } 
- 
+        Y_VERIFY(Descriptions.contains(pathId));
+
+        TDescription& description = Descriptions.at(pathId).Record;
+        auto& self = *description.MutablePathDescription()->MutableSelf();
+        self.SetPathVersion(TlsActivationContext->Now().GetValue());
+
+        auto describeSchemeResult = MakeHolder<TDescribeSchemeResult>();
+        describeSchemeResult->Record.CopyFrom(description);
+        Send(Populator, std::move(describeSchemeResult));
+
+        ++*ModifiedPaths;
+    }
+
     void Delete(TPathId pathId) {
-        Y_VERIFY(Descriptions.contains(pathId)); 
- 
-        TDescription& description = Descriptions.at(pathId).Record; 
-        Y_VERIFY(!IsDir(description)); 
- 
+        Y_VERIFY(Descriptions.contains(pathId));
+
+        TDescription& description = Descriptions.at(pathId).Record;
+        Y_VERIFY(!IsDir(description));
+
         description.SetStatus(NKikimrScheme::StatusPathDoesNotExist);
- 
-        auto describeSchemeResult = MakeHolder<TDescribeSchemeResult>(); 
-        describeSchemeResult->Record.CopyFrom(description); 
-        Send(Populator, std::move(describeSchemeResult)); 
- 
+
+        auto describeSchemeResult = MakeHolder<TDescribeSchemeResult>();
+        describeSchemeResult->Record.CopyFrom(description);
+        Send(Populator, std::move(describeSchemeResult));
+
         Modify(TPathId(description.GetPathDescription().GetSelf().GetSchemeshardId(),
                        description.GetPathDescription().GetSelf().GetParentPathId()));
-        Descriptions.erase(pathId); 
- 
-        ++*DeletedPaths; 
-    } 
- 
-    void Modify() { 
-        Modify(RandomPathId()); 
- 
-        const TDuration delta = TDuration::MicroSeconds(1000000 / Config.InFlightModifications); 
-        Schedule(delta, new TEvents::TEvWakeup(TAG_MODIFY)); 
-    } 
- 
-    void Change() { 
-        const bool create = RandomNumber((ui8)2); 
- 
-        if (create) { 
-            //Create(++NextPathId); 
-        } else { 
-            Delete(RandomPathId(false)); 
-        } 
- 
-        const TDuration delta = TDuration::MicroSeconds(1000000 / Config.InFlightChanges); 
-        Schedule(delta, new TEvents::TEvWakeup(TAG_CHANGE)); 
-    } 
- 
-    void Boot() { 
+        Descriptions.erase(pathId);
+
+        ++*DeletedPaths;
+    }
+
+    void Modify() {
+        Modify(RandomPathId());
+
+        const TDuration delta = TDuration::MicroSeconds(1000000 / Config.InFlightModifications);
+        Schedule(delta, new TEvents::TEvWakeup(TAG_MODIFY));
+    }
+
+    void Change() {
+        const bool create = RandomNumber((ui8)2);
+
+        if (create) {
+            //Create(++NextPathId);
+        } else {
+            Delete(RandomPathId(false));
+        }
+
+        const TDuration delta = TDuration::MicroSeconds(1000000 / Config.InFlightChanges);
+        Schedule(delta, new TEvents::TEvWakeup(TAG_CHANGE));
+    }
+
+    void Boot() {
         const TActorId proxy = MakeStateStorageProxyID(StateStorageGroupFromTabletID(Owner));
-        Send(proxy, new TEvStateStorage::TEvListSchemeBoard(), IEventHandle::FlagTrackDelivery); 
- 
-        Become(&TThis::StateBoot); 
-    } 
- 
-    void Populate() { 
+        Send(proxy, new TEvStateStorage::TEvListSchemeBoard(), IEventHandle::FlagTrackDelivery);
+
+        Become(&TThis::StateBoot);
+    }
+
+    void Populate() {
         const ui32 ssId = StateStorageGroupFromTabletID(Owner);
 
-        Descriptions = GenerateDescriptions(Owner, Config, NextPathId); 
-        Populator = Register(CreateSchemeBoardPopulator( 
+        Descriptions = GenerateDescriptions(Owner, Config, NextPathId);
+        Populator = Register(CreateSchemeBoardPopulator(
             Owner, Max<ui64>(), ssId, Descriptions, NextPathId
-        )); 
- 
+        ));
+
         TPathId pathId(Owner, NextPathId - 1);
         Y_VERIFY(Descriptions.contains(pathId));
-        const TString& topPath = Descriptions.at(pathId).Record.GetPath(); 
+        const TString& topPath = Descriptions.at(pathId).Record.GetPath();
 
-        // subscriber will help us to know when sync is completed 
-        Subscriber = Register(CreateSchemeBoardSubscriber( 
+        // subscriber will help us to know when sync is completed
+        Subscriber = Register(CreateSchemeBoardSubscriber(
             SelfId(), topPath, ssId,
-            ESchemeBoardSubscriberDeletionPolicy::Majority 
-        )); 
- 
+            ESchemeBoardSubscriberDeletionPolicy::Majority
+        ));
+
         *TotalPaths = NextPathId - 1 - NSchemeShard::RootPathId;
- 
-        Become(&TThis::StatePopulate); 
-    } 
- 
-    void Test() { 
-        Modify(); 
-        //Change(); 
- 
-        Become(&TThis::StateTest); 
-    } 
- 
-    void Handle(TEvStateStorage::TEvListSchemeBoardResult::TPtr& ev) { 
-        if (!ev->Get()->Info) { 
-            return Boot(); 
-        } 
- 
-        Populate(); 
-    } 
- 
-    void Handle(TSchemeBoardEvents::TEvNotifyUpdate::TPtr& ev) { 
-        const auto* msg = ev->Get(); 
- 
-        Y_VERIFY(ev->Sender == Subscriber); 
-        Y_VERIFY(msg->PathId.LocalPathId == NextPathId - 1); 
- 
-        Send(Subscriber, new TEvents::TEvPoisonPill()); 
+
+        Become(&TThis::StatePopulate);
+    }
+
+    void Test() {
+        Modify();
+        //Change();
+
+        Become(&TThis::StateTest);
+    }
+
+    void Handle(TEvStateStorage::TEvListSchemeBoardResult::TPtr& ev) {
+        if (!ev->Get()->Info) {
+            return Boot();
+        }
+
+        Populate();
+    }
+
+    void Handle(TSchemeBoardEvents::TEvNotifyUpdate::TPtr& ev) {
+        const auto* msg = ev->Get();
+
+        Y_VERIFY(ev->Sender == Subscriber);
+        Y_VERIFY(msg->PathId.LocalPathId == NextPathId - 1);
+
+        Send(Subscriber, new TEvents::TEvPoisonPill());
         Subscriber = TActorId();
- 
-        const TInstant ts = TInstant::FromValue(GetPathVersion(msg->DescribeSchemeResult)); 
-        *SyncDuration = (TlsActivationContext->Now() - ts).MilliSeconds(); 
- 
-        Test(); 
-    } 
- 
-    void Handle(TEvents::TEvWakeup::TPtr& ev) { 
-        switch (ev->Get()->Tag) { 
-        case TAG_MODIFY: 
-            Modify(); 
-            break; 
- 
-        case TAG_CHANGE: 
-            Change(); 
-            break; 
- 
-        default: 
-            Y_VERIFY_DEBUG(false, "Unknown wakeup tag"); 
-            break; 
-        } 
-    } 
- 
-    void PassAway() override { 
-        Send(Populator, new TEvents::TEvPoisonPill()); 
-        if (Subscriber) { 
-            Send(Subscriber, new TEvents::TEvPoisonPill()); 
-        } 
- 
-        TActor::PassAway(); 
-    } 
- 
-public: 
-    explicit TLoadProducer(ui64 owner, const TTestConfig& config) 
-        : Owner(owner) 
-        , Config(config) 
+
+        const TInstant ts = TInstant::FromValue(GetPathVersion(msg->DescribeSchemeResult));
+        *SyncDuration = (TlsActivationContext->Now() - ts).MilliSeconds();
+
+        Test();
+    }
+
+    void Handle(TEvents::TEvWakeup::TPtr& ev) {
+        switch (ev->Get()->Tag) {
+        case TAG_MODIFY:
+            Modify();
+            break;
+
+        case TAG_CHANGE:
+            Change();
+            break;
+
+        default:
+            Y_VERIFY_DEBUG(false, "Unknown wakeup tag");
+            break;
+        }
+    }
+
+    void PassAway() override {
+        Send(Populator, new TEvents::TEvPoisonPill());
+        if (Subscriber) {
+            Send(Subscriber, new TEvents::TEvPoisonPill());
+        }
+
+        TActor::PassAway();
+    }
+
+public:
+    explicit TLoadProducer(ui64 owner, const TTestConfig& config)
+        : Owner(owner)
+        , Config(config)
         , NextPathId(NSchemeShard::RootPathId + 1)
-    { 
-        SyncDuration = Config.Counters->GetCounter("Producer/SyncDuration", false); 
-        TotalPaths = Config.Counters->GetCounter("Producer/TotalPaths", false); 
-        ModifiedPaths = Config.Counters->GetCounter("Producer/ModifiedPaths", false); 
-        CreatedPaths = Config.Counters->GetCounter("Producer/CreatedPaths", false); 
-        DeletedPaths = Config.Counters->GetCounter("Producer/DeletedPaths", false); 
-    } 
- 
-    void Bootstrap() { 
-        Boot(); 
-    } 
- 
-    STATEFN(StateBoot) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvStateStorage::TEvListSchemeBoardResult, Handle); 
-            cFunc(TEvents::TEvUndelivered::EventType, Boot); 
-            cFunc(TEvents::TEvPoisonPill::EventType, PassAway); 
-        } 
-    } 
- 
-    STATEFN(StatePopulate) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TSchemeBoardEvents::TEvNotifyUpdate, Handle); 
-            cFunc(TEvents::TEvPoisonPill::EventType, PassAway); 
-        } 
-    } 
- 
-    STATEFN(StateTest) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvents::TEvWakeup, Handle); 
-            cFunc(TEvents::TEvPoisonPill::EventType, PassAway); 
-        } 
-    } 
- 
-private: 
-    const ui64 Owner; 
-    const TTestConfig Config; 
-    NMonitoring::TDynamicCounters::TCounterPtr SyncDuration; 
-    NMonitoring::TDynamicCounters::TCounterPtr TotalPaths; 
-    NMonitoring::TDynamicCounters::TCounterPtr ModifiedPaths; 
-    NMonitoring::TDynamicCounters::TCounterPtr CreatedPaths; 
-    NMonitoring::TDynamicCounters::TCounterPtr DeletedPaths; 
- 
-    TDescriptions Descriptions; 
-    ui64 NextPathId; 
+    {
+        SyncDuration = Config.Counters->GetCounter("Producer/SyncDuration", false);
+        TotalPaths = Config.Counters->GetCounter("Producer/TotalPaths", false);
+        ModifiedPaths = Config.Counters->GetCounter("Producer/ModifiedPaths", false);
+        CreatedPaths = Config.Counters->GetCounter("Producer/CreatedPaths", false);
+        DeletedPaths = Config.Counters->GetCounter("Producer/DeletedPaths", false);
+    }
+
+    void Bootstrap() {
+        Boot();
+    }
+
+    STATEFN(StateBoot) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvStateStorage::TEvListSchemeBoardResult, Handle);
+            cFunc(TEvents::TEvUndelivered::EventType, Boot);
+            cFunc(TEvents::TEvPoisonPill::EventType, PassAway);
+        }
+    }
+
+    STATEFN(StatePopulate) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TSchemeBoardEvents::TEvNotifyUpdate, Handle);
+            cFunc(TEvents::TEvPoisonPill::EventType, PassAway);
+        }
+    }
+
+    STATEFN(StateTest) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvents::TEvWakeup, Handle);
+            cFunc(TEvents::TEvPoisonPill::EventType, PassAway);
+        }
+    }
+
+private:
+    const ui64 Owner;
+    const TTestConfig Config;
+    NMonitoring::TDynamicCounters::TCounterPtr SyncDuration;
+    NMonitoring::TDynamicCounters::TCounterPtr TotalPaths;
+    NMonitoring::TDynamicCounters::TCounterPtr ModifiedPaths;
+    NMonitoring::TDynamicCounters::TCounterPtr CreatedPaths;
+    NMonitoring::TDynamicCounters::TCounterPtr DeletedPaths;
+
+    TDescriptions Descriptions;
+    ui64 NextPathId;
     TActorId Populator;
     TActorId Subscriber;
- 
-}; // TLoadProducer 
- 
-class TLoadConsumer: public TActorBootstrapped<TLoadConsumer> { 
-    void Subscribe(const TPathId& pathId) { 
+
+}; // TLoadProducer
+
+class TLoadConsumer: public TActorBootstrapped<TLoadConsumer> {
+    void Subscribe(const TPathId& pathId) {
         const ui32 ssId = StateStorageGroupFromTabletID(Owner);
-        for (ui32 i = 0; i < Config.SubscriberMulti; ++i) { 
+        for (ui32 i = 0; i < Config.SubscriberMulti; ++i) {
             const TActorId subscriber = Register(CreateSchemeBoardSubscriber(
                 SelfId(), pathId, ssId,
-                ESchemeBoardSubscriberDeletionPolicy::Majority 
-            )); 
- 
-            Subscribers.push_back(subscriber); 
-            ++*SubscribersCount; 
-        } 
-    } 
- 
-    void BatchSubscribe(ui64 nextPathId, ui32 batchSizeLimit = 100) { 
-        ui32 batchSize = 0; 
-        while (nextPathId <= MaxPathId && batchSize++ < batchSizeLimit) { 
-            Subscribe(TPathId(Owner, nextPathId++)); 
-        } 
- 
-        if (nextPathId > MaxPathId) { 
-            return; 
-        } 
- 
-        Schedule(TDuration::MilliSeconds(20), new TEvents::TEvWakeup(nextPathId)); 
-    } 
- 
-    void Handle(TSchemeBoardEvents::TEvNotifyUpdate::TPtr& ev) { 
-        const auto* msg = ev->Get(); 
- 
-        const TInstant ts = TInstant::FromValue(GetPathVersion(msg->DescribeSchemeResult)); 
-        if (IsDir(msg->DescribeSchemeResult)) { 
-            LatencyDir->Collect((TlsActivationContext->Now() - ts).MilliSeconds()); 
-        } else { 
-            Latency->Collect((TlsActivationContext->Now() - ts).MilliSeconds()); 
-        } 
-    } 
- 
-    void Handle(TEvents::TEvWakeup::TPtr& ev) { 
-        BatchSubscribe(ev->Get()->Tag); 
-    } 
- 
-    void PassAway() override { 
-        for (const auto& subscriber : Subscribers) { 
-            Send(subscriber, new TEvents::TEvPoisonPill()); 
-        } 
- 
-        TActor::PassAway(); 
-    } 
- 
-public: 
-    explicit TLoadConsumer(ui64 owner, const TTestConfig& config) 
-        : Owner(owner) 
-        , Config(config) 
-    { 
+                ESchemeBoardSubscriberDeletionPolicy::Majority
+            ));
+
+            Subscribers.push_back(subscriber);
+            ++*SubscribersCount;
+        }
+    }
+
+    void BatchSubscribe(ui64 nextPathId, ui32 batchSizeLimit = 100) {
+        ui32 batchSize = 0;
+        while (nextPathId <= MaxPathId && batchSize++ < batchSizeLimit) {
+            Subscribe(TPathId(Owner, nextPathId++));
+        }
+
+        if (nextPathId > MaxPathId) {
+            return;
+        }
+
+        Schedule(TDuration::MilliSeconds(20), new TEvents::TEvWakeup(nextPathId));
+    }
+
+    void Handle(TSchemeBoardEvents::TEvNotifyUpdate::TPtr& ev) {
+        const auto* msg = ev->Get();
+
+        const TInstant ts = TInstant::FromValue(GetPathVersion(msg->DescribeSchemeResult));
+        if (IsDir(msg->DescribeSchemeResult)) {
+            LatencyDir->Collect((TlsActivationContext->Now() - ts).MilliSeconds());
+        } else {
+            Latency->Collect((TlsActivationContext->Now() - ts).MilliSeconds());
+        }
+    }
+
+    void Handle(TEvents::TEvWakeup::TPtr& ev) {
+        BatchSubscribe(ev->Get()->Tag);
+    }
+
+    void PassAway() override {
+        for (const auto& subscriber : Subscribers) {
+            Send(subscriber, new TEvents::TEvPoisonPill());
+        }
+
+        TActor::PassAway();
+    }
+
+public:
+    explicit TLoadConsumer(ui64 owner, const TTestConfig& config)
+        : Owner(owner)
+        , Config(config)
+    {
         MaxPathId = NSchemeShard::RootPathId
-                    + Config.Dirs 
-                    + Config.Dirs * Config.ObjectsPerDir; 
- 
-        Latency = Config.Counters->GetHistogram("Consumer/Latency", NMonitoring::ExponentialHistogram(15, 2, 1)); 
-        LatencyDir = Config.Counters->GetHistogram("Consumer/LatencyDir", NMonitoring::ExponentialHistogram(10, 4, 1)); 
-        SubscribersCount = Config.Counters->GetCounter("Consumer/Subscribers", false); 
-    } 
- 
-    void Bootstrap() { 
+                    + Config.Dirs
+                    + Config.Dirs * Config.ObjectsPerDir;
+
+        Latency = Config.Counters->GetHistogram("Consumer/Latency", NMonitoring::ExponentialHistogram(15, 2, 1));
+        LatencyDir = Config.Counters->GetHistogram("Consumer/LatencyDir", NMonitoring::ExponentialHistogram(10, 4, 1));
+        SubscribersCount = Config.Counters->GetCounter("Consumer/Subscribers", false);
+    }
+
+    void Bootstrap() {
         BatchSubscribe(NSchemeShard::RootPathId + 1);
-        Become(&TThis::StateWork); 
-    } 
- 
-    STATEFN(StateWork) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TSchemeBoardEvents::TEvNotifyUpdate, Handle); 
-            hFunc(TEvents::TEvWakeup, Handle); 
-            cFunc(TEvents::TEvPoisonPill::EventType, PassAway); 
-        } 
-    } 
- 
-private: 
-    const ui64 Owner; 
-    const TTestConfig Config; 
-    NMonitoring::THistogramPtr Latency; 
-    NMonitoring::THistogramPtr LatencyDir; 
-    NMonitoring::TDynamicCounters::TCounterPtr SubscribersCount; 
- 
-    ui64 MaxPathId; 
+        Become(&TThis::StateWork);
+    }
+
+    STATEFN(StateWork) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TSchemeBoardEvents::TEvNotifyUpdate, Handle);
+            hFunc(TEvents::TEvWakeup, Handle);
+            cFunc(TEvents::TEvPoisonPill::EventType, PassAway);
+        }
+    }
+
+private:
+    const ui64 Owner;
+    const TTestConfig Config;
+    NMonitoring::THistogramPtr Latency;
+    NMonitoring::THistogramPtr LatencyDir;
+    NMonitoring::TDynamicCounters::TCounterPtr SubscribersCount;
+
+    ui64 MaxPathId;
     TVector<TActorId> Subscribers;
- 
-}; // TLoadConsumer 
- 
-} // NSchemeBoard 
- 
-IActor* CreateSchemeBoardLoadProducer(ui64 owner, const NSchemeBoard::TTestConfig& config) { 
-    return new NSchemeBoard::TLoadProducer(owner, config); 
-} 
- 
-IActor* CreateSchemeBoardLoadConsumer(ui64 owner, const NSchemeBoard::TTestConfig& config) { 
-    return new NSchemeBoard::TLoadConsumer(owner, config); 
-} 
- 
-} // NKikimr 
+
+}; // TLoadConsumer
+
+} // NSchemeBoard
+
+IActor* CreateSchemeBoardLoadProducer(ui64 owner, const NSchemeBoard::TTestConfig& config) {
+    return new NSchemeBoard::TLoadProducer(owner, config);
+}
+
+IActor* CreateSchemeBoardLoadConsumer(ui64 owner, const NSchemeBoard::TTestConfig& config) {
+    return new NSchemeBoard::TLoadConsumer(owner, config);
+}
+
+} // NKikimr
diff --git a/ydb/core/tx/scheme_board/load_test.h b/ydb/core/tx/scheme_board/load_test.h
index f53b349614..271e96bf3f 100644
--- a/ydb/core/tx/scheme_board/load_test.h
+++ b/ydb/core/tx/scheme_board/load_test.h
@@ -1,38 +1,38 @@
-#pragma once 
- 
-#include "defs.h" 
- 
+#pragma once
+
+#include "defs.h"
+
 #include <library/cpp/monlib/dynamic_counters/counters.h>
- 
-namespace NKikimr { 
-namespace NSchemeBoard { 
- 
-struct TTestConfig { 
-    NMonitoring::TDynamicCounterPtr Counters; 
- 
-    ui64 Dirs; 
-    ui64 ObjectsPerDir; 
-    ui32 SubscriberMulti; 
-    // modifications of existent objects 
-    ui32 InFlightModifications; 
-    // creations/deletions 
-    ui32 InFlightChanges; 
- 
-    explicit TTestConfig(NMonitoring::TDynamicCounterPtr counters) 
-        : Counters(counters) 
-        , Dirs(10) 
-        , ObjectsPerDir(10000) 
-        , SubscriberMulti(1) 
-        , InFlightModifications(100) 
-        , InFlightChanges(100) 
-    { 
-    } 
- 
-}; // TTestConfig 
- 
-} // NSchemeBoard 
- 
-IActor* CreateSchemeBoardLoadProducer(ui64 owner, const NSchemeBoard::TTestConfig& config); 
-IActor* CreateSchemeBoardLoadConsumer(ui64 owner, const NSchemeBoard::TTestConfig& config); 
- 
-} // NKikimr 
+
+namespace NKikimr {
+namespace NSchemeBoard {
+
+struct TTestConfig {
+    NMonitoring::TDynamicCounterPtr Counters;
+
+    ui64 Dirs;
+    ui64 ObjectsPerDir;
+    ui32 SubscriberMulti;
+    // modifications of existent objects
+    ui32 InFlightModifications;
+    // creations/deletions
+    ui32 InFlightChanges;
+
+    explicit TTestConfig(NMonitoring::TDynamicCounterPtr counters)
+        : Counters(counters)
+        , Dirs(10)
+        , ObjectsPerDir(10000)
+        , SubscriberMulti(1)
+        , InFlightModifications(100)
+        , InFlightChanges(100)
+    {
+    }
+
+}; // TTestConfig
+
+} // NSchemeBoard
+
+IActor* CreateSchemeBoardLoadProducer(ui64 owner, const NSchemeBoard::TTestConfig& config);
+IActor* CreateSchemeBoardLoadConsumer(ui64 owner, const NSchemeBoard::TTestConfig& config);
+
+} // NKikimr
diff --git a/ydb/core/tx/scheme_board/mon_events.h b/ydb/core/tx/scheme_board/mon_events.h
index fd63992f29..1e449dc268 100644
--- a/ydb/core/tx/scheme_board/mon_events.h
+++ b/ydb/core/tx/scheme_board/mon_events.h
@@ -1,94 +1,94 @@
-#pragma once 
- 
-#include "defs.h" 
- 
+#pragma once
+
+#include "defs.h"
+
 #include <ydb/core/base/pathid.h>
 #include <ydb/core/protos/scheme_board_mon.pb.h>
 #include <ydb/core/protos/services.pb.h>
- 
-#include <library/cpp/json/json_value.h> 
- 
-namespace NKikimr { 
- 
-struct TSchemeBoardMonEvents { 
-    enum EEv { 
-        EvRegister = EventSpaceBegin(TKikimrEvents::ES_SCHEME_BOARD_MON), 
-        EvUnregister, 
- 
-        EvInfoRequest, 
-        EvInfoResponse, 
- 
-        EvDescribeRequest, 
-        EvDescribeResponse, 
- 
-        EvEnd, 
-    }; 
- 
-    static_assert(EvEnd < EventSpaceEnd(TKikimrEvents::ES_SCHEME_BOARD_MON), "expect End < EventSpaceEnd(ES_SCHEME_BOARD_MON)"); 
- 
-    struct TEvRegister: public TEventLocal<TEvRegister, EvRegister> { 
-        const NKikimrServices::TActivity::EType ActivityType; 
-        const NJson::TJsonMap Attributes; 
- 
-        explicit TEvRegister( 
-                NKikimrServices::TActivity::EType activityType, 
-                const NJson::TJsonMap& attributes) 
-            : ActivityType(activityType) 
-            , Attributes(attributes) 
-        { 
-        } 
-    }; 
- 
-    struct TEvUnregister: public TEventLocal<TEvUnregister, EvUnregister> { 
-    }; 
- 
-    struct TEvInfoRequest: public TEventPB<TEvInfoRequest, NKikimrSchemeBoardMon::TEvInfoRequest, EvInfoRequest> { 
-        TEvInfoRequest() = default; 
- 
-        explicit TEvInfoRequest(ui32 limit) { 
-            Record.SetLimitRepeatedFields(limit); 
-        } 
-    }; 
- 
-    struct TEvInfoResponse: public TEventPB<TEvInfoResponse, NKikimrSchemeBoardMon::TEvInfoResponse, EvInfoResponse> { 
-        TEvInfoResponse() = default; 
- 
-        explicit TEvInfoResponse(const TActorId& self, const TString& activityType) { 
-            ActorIdToProto(self, Record.MutableSelf()); 
-            Record.SetActivityType(activityType); 
-        } 
- 
-        explicit TEvInfoResponse(const TActorId& self, NKikimrServices::TActivity::EType activityType) 
-            : TEvInfoResponse(self, NKikimrServices::TActivity::EType_Name(activityType)) 
-        { 
-        } 
- 
-        void SetTruncated(bool value = true) { 
-            Record.SetTruncated(value); 
-        } 
-    }; 
- 
-    struct TEvDescribeRequest: public TEventPB<TEvDescribeRequest, NKikimrSchemeBoardMon::TEvDescribeRequest, EvDescribeRequest> { 
-        TEvDescribeRequest() = default; 
- 
-        explicit TEvDescribeRequest(const TString& path) { 
-            Record.SetPath(path); 
-        } 
- 
-        explicit TEvDescribeRequest(const TPathId& pathId) { 
-            Record.MutablePathId()->SetOwnerId(pathId.OwnerId); 
-            Record.MutablePathId()->SetLocalPathId(pathId.LocalPathId); 
-        } 
-    }; 
- 
-    struct TEvDescribeResponse: public TEventPB<TEvDescribeResponse, NKikimrSchemeBoardMon::TEvDescribeResponse, EvDescribeResponse> { 
-        TEvDescribeResponse() = default; 
- 
-        explicit TEvDescribeResponse(const TString& json) { 
-            Record.SetJson(json); 
-        } 
-    }; 
- 
-}; // TSchemeBoardMonEvents 
- 
-} // NKikimr 
+
+#include <library/cpp/json/json_value.h>
+
+namespace NKikimr {
+
+struct TSchemeBoardMonEvents {
+    enum EEv {
+        EvRegister = EventSpaceBegin(TKikimrEvents::ES_SCHEME_BOARD_MON),
+        EvUnregister,
+
+        EvInfoRequest,
+        EvInfoResponse,
+
+        EvDescribeRequest,
+        EvDescribeResponse,
+
+        EvEnd,
+    };
+
+    static_assert(EvEnd < EventSpaceEnd(TKikimrEvents::ES_SCHEME_BOARD_MON), "expect End < EventSpaceEnd(ES_SCHEME_BOARD_MON)");
+
+    struct TEvRegister: public TEventLocal<TEvRegister, EvRegister> {
+        const NKikimrServices::TActivity::EType ActivityType;
+        const NJson::TJsonMap Attributes;
+
+        explicit TEvRegister(
+                NKikimrServices::TActivity::EType activityType,
+                const NJson::TJsonMap& attributes)
+            : ActivityType(activityType)
+            , Attributes(attributes)
+        {
+        }
+    };
+
+    struct TEvUnregister: public TEventLocal<TEvUnregister, EvUnregister> {
+    };
+
+    struct TEvInfoRequest: public TEventPB<TEvInfoRequest, NKikimrSchemeBoardMon::TEvInfoRequest, EvInfoRequest> {
+        TEvInfoRequest() = default;
+
+        explicit TEvInfoRequest(ui32 limit) {
+            Record.SetLimitRepeatedFields(limit);
+        }
+    };
+
+    struct TEvInfoResponse: public TEventPB<TEvInfoResponse, NKikimrSchemeBoardMon::TEvInfoResponse, EvInfoResponse> {
+        TEvInfoResponse() = default;
+
+        explicit TEvInfoResponse(const TActorId& self, const TString& activityType) {
+            ActorIdToProto(self, Record.MutableSelf());
+            Record.SetActivityType(activityType);
+        }
+
+        explicit TEvInfoResponse(const TActorId& self, NKikimrServices::TActivity::EType activityType)
+            : TEvInfoResponse(self, NKikimrServices::TActivity::EType_Name(activityType))
+        {
+        }
+
+        void SetTruncated(bool value = true) {
+            Record.SetTruncated(value);
+        }
+    };
+
+    struct TEvDescribeRequest: public TEventPB<TEvDescribeRequest, NKikimrSchemeBoardMon::TEvDescribeRequest, EvDescribeRequest> {
+        TEvDescribeRequest() = default;
+
+        explicit TEvDescribeRequest(const TString& path) {
+            Record.SetPath(path);
+        }
+
+        explicit TEvDescribeRequest(const TPathId& pathId) {
+            Record.MutablePathId()->SetOwnerId(pathId.OwnerId);
+            Record.MutablePathId()->SetLocalPathId(pathId.LocalPathId);
+        }
+    };
+
+    struct TEvDescribeResponse: public TEventPB<TEvDescribeResponse, NKikimrSchemeBoardMon::TEvDescribeResponse, EvDescribeResponse> {
+        TEvDescribeResponse() = default;
+
+        explicit TEvDescribeResponse(const TString& json) {
+            Record.SetJson(json);
+        }
+    };
+
+}; // TSchemeBoardMonEvents
+
+} // NKikimr
diff --git a/ydb/core/tx/scheme_board/monitorable_actor.h b/ydb/core/tx/scheme_board/monitorable_actor.h
index 953bc98b92..1db3eae7cc 100644
--- a/ydb/core/tx/scheme_board/monitorable_actor.h
+++ b/ydb/core/tx/scheme_board/monitorable_actor.h
@@ -1,51 +1,51 @@
-#pragma once 
- 
-#include "mon_events.h" 
-#include "monitoring.h" 
- 
-#include <library/cpp/actors/core/actor_bootstrapped.h> 
- 
-#include <library/cpp/json/json_value.h> 
- 
-#include <util/string/printf.h> 
- 
-namespace NKikimr { 
-namespace NSchemeBoard { 
- 
-template <typename TDerived> 
-class TMonitorableActor: public TActorBootstrapped<TDerived> { 
-    void MonRegister() { 
-        this->Send(MakeSchemeBoardMonitoringId(), new TSchemeBoardMonEvents::TEvRegister( 
-            TDerived::ActorActivityType(), this->MonAttributes())); 
-    } 
- 
-    void MonUnregister() { 
-        this->Send(MakeSchemeBoardMonitoringId(), new TSchemeBoardMonEvents::TEvUnregister()); 
-    } 
- 
-protected: 
-    virtual NJson::TJsonMap MonAttributes() const { 
-        return {}; 
-    } 
- 
-    static NJson::TJsonMap PrintActorIdAttr(NKikimrServices::TActivity::EType activityType, const TActorId& actorId) { 
-        return NJson::TJsonMap({ 
-            {"@type", "ACTOR_ID"}, 
-            {"ActivityType", NKikimrServices::TActivity::EType_Name(activityType)}, 
-            {"ActorId", Sprintf("%" PRIu64 ":%" PRIu64, actorId.RawX1(), actorId.RawX2())}, 
-        }); 
-    } 
- 
-public: 
-    void Bootstrap() { 
-        MonRegister(); 
-    } 
- 
-    void PassAway() override { 
-        MonUnregister(); 
-        IActor::PassAway(); 
-    } 
-}; 
- 
-} // NSchemeBoard 
-} // NKikimr 
+#pragma once
+
+#include "mon_events.h"
+#include "monitoring.h"
+
+#include <library/cpp/actors/core/actor_bootstrapped.h>
+
+#include <library/cpp/json/json_value.h>
+
+#include <util/string/printf.h>
+
+namespace NKikimr {
+namespace NSchemeBoard {
+
+template <typename TDerived>
+class TMonitorableActor: public TActorBootstrapped<TDerived> {
+    void MonRegister() {
+        this->Send(MakeSchemeBoardMonitoringId(), new TSchemeBoardMonEvents::TEvRegister(
+            TDerived::ActorActivityType(), this->MonAttributes()));
+    }
+
+    void MonUnregister() {
+        this->Send(MakeSchemeBoardMonitoringId(), new TSchemeBoardMonEvents::TEvUnregister());
+    }
+
+protected:
+    virtual NJson::TJsonMap MonAttributes() const {
+        return {};
+    }
+
+    static NJson::TJsonMap PrintActorIdAttr(NKikimrServices::TActivity::EType activityType, const TActorId& actorId) {
+        return NJson::TJsonMap({
+            {"@type", "ACTOR_ID"},
+            {"ActivityType", NKikimrServices::TActivity::EType_Name(activityType)},
+            {"ActorId", Sprintf("%" PRIu64 ":%" PRIu64, actorId.RawX1(), actorId.RawX2())},
+        });
+    }
+
+public:
+    void Bootstrap() {
+        MonRegister();
+    }
+
+    void PassAway() override {
+        MonUnregister();
+        IActor::PassAway();
+    }
+};
+
+} // NSchemeBoard
+} // NKikimr
diff --git a/ydb/core/tx/scheme_board/monitoring.cpp b/ydb/core/tx/scheme_board/monitoring.cpp
index 956e31c12f..deda604655 100644
--- a/ydb/core/tx/scheme_board/monitoring.cpp
+++ b/ydb/core/tx/scheme_board/monitoring.cpp
@@ -1,1352 +1,1352 @@
-#include "mon_events.h" 
-#include "monitoring.h" 
- 
+#include "mon_events.h"
+#include "monitoring.h"
+
 #include <ydb/core/base/appdata.h>
 #include <ydb/core/base/pathid.h>
 #include <ydb/core/base/statestorage_impl.h>
 #include <ydb/core/mon/mon.h>
 #include <ydb/core/protos/services.pb.h>
- 
-#include <library/cpp/actors/core/actor_bootstrapped.h> 
-#include <library/cpp/actors/core/hfunc.h> 
-#include <library/cpp/actors/core/mon.h> 
- 
-#include <library/cpp/monlib/service/pages/mon_page.h> 
-#include <library/cpp/monlib/service/pages/templates.h> 
- 
-#include <library/cpp/json/json_value.h> 
-#include <library/cpp/json/json_writer.h> 
- 
-#include <util/generic/hash.h> 
-#include <util/generic/hash_set.h> 
-#include <util/generic/list.h> 
-#include <util/generic/variant.h> 
-#include <util/stream/str.h> 
-#include <util/string/builder.h> 
-#include <util/string/cast.h> 
-#include <util/string/join.h> 
-#include <util/string/split.h> 
- 
-// additional html elements 
-namespace NMonitoring { 
-    const char NavTag[] = "nav"; 
-    using TNav = TTag<NavTag>; 
-} 
- 
-namespace NKikimr { 
-namespace NSchemeBoard { 
- 
-using namespace NJson; 
- 
-class TMonitoring: public TActorBootstrapped<TMonitoring> { 
-    static constexpr char ROOT[] = "scheme_board"; 
- 
-    using TActivity = NKikimrServices::TActivity; 
-    using EActivityType = TActivity::EType; 
-    using EContentType = NMon::IEvHttpInfoRes::EContentType; 
- 
-    enum class ERequestType { 
-        Unknown, 
-        Index, 
-        Populator, 
-        ReplicaPopulator, 
-        Replica, 
-        Subscriber, 
-        SubscriberProxy, 
-        ReplicaSubscriber, 
-        Cache, 
-        Describe, 
-        Resolver, 
-        Resolve, 
-    }; 
- 
-    enum class EAttributeType { 
-        Unknown, 
-        Pod, 
-        String, 
-        ActorId, 
-    }; 
- 
-    struct TActorInfo { 
-        EActivityType ActivityType; 
-        TJsonMap Attributes; 
- 
-        TActorInfo(EActivityType activityType, const TJsonMap& attributes) 
-            : ActivityType(activityType) 
-            , Attributes(attributes) 
-        { 
-        } 
- 
-        TActorInfo(const TSchemeBoardMonEvents::TEvRegister& ev) 
-            : TActorInfo(ev.ActivityType, ev.Attributes) 
-        { 
-        } 
-    }; 
- 
-    void Handle(TSchemeBoardMonEvents::TEvRegister::TPtr& ev) { 
-        const auto& msg = *ev->Get(); 
- 
-        if (RegisteredActors.emplace(ev->Sender, msg).second) { 
-            ByActivityType[msg.ActivityType].emplace(ev->Sender); 
-        } 
-    } 
- 
-    void Handle(TSchemeBoardMonEvents::TEvUnregister::TPtr& ev) { 
-        auto registered = RegisteredActors.find(ev->Sender); 
-        if (registered == RegisteredActors.end()) { 
-            return; 
-        } 
- 
-        auto byActivity = ByActivityType.find(registered->second.ActivityType); 
-        Y_VERIFY(byActivity != ByActivityType.end()); 
- 
-        byActivity->second.erase(ev->Sender); 
-        if (byActivity->second.empty()) { 
-            ByActivityType.erase(byActivity); 
-        } 
- 
-        RegisteredActors.erase(registered); 
-    } 
- 
-    static ERequestType ParseRequestType(const TStringBuf relPath) { 
-        if (!relPath || relPath == "/") { 
-            return ERequestType::Index; 
-        } else if (relPath.StartsWith("/populator")) { 
-            return ERequestType::Populator; 
-        } else if (relPath.StartsWith("/replica_populator")) { 
-            return ERequestType::ReplicaPopulator; 
-        } else if (relPath.StartsWith("/replica")) { 
-            return ERequestType::Replica; 
-        } else if (relPath.StartsWith("/subscriber")) { 
-            return ERequestType::Subscriber; 
-        } else if (relPath.StartsWith("/subscriber_proxy")) { 
-            return ERequestType::SubscriberProxy; 
-        } else if (relPath.StartsWith("/replica_subscriber")) { 
-            return ERequestType::ReplicaSubscriber; 
-        } else if (relPath.StartsWith("/cache")) { 
-            return ERequestType::Cache; 
-        } else if (relPath.StartsWith("/describe")) { 
-            return ERequestType::Describe; 
-        } else if (relPath.StartsWith("/resolver")) { 
-            return ERequestType::Resolver; 
-        } else if (relPath.StartsWith("/resolve")) { 
-            return ERequestType::Resolve; 
-        } else { 
-            return ERequestType::Unknown; 
-        } 
-    } 
- 
-    static TString MakeLink(ERequestType requestType, const TStringBuf prefix) { 
-        TStringBuilder str; 
- 
-        if (prefix) { 
-            str << prefix << "/"; 
-        } 
- 
-        switch (requestType) { 
-        case ERequestType::Index: 
-            return str << ROOT; 
-        case ERequestType::Populator: 
-            return str << "populator"; 
-        case ERequestType::ReplicaPopulator: 
-            return str << "replica_populator"; 
-        case ERequestType::Replica: 
-            return str << "replica"; 
-        case ERequestType::Subscriber: 
-            return str << "subscriber"; 
-        case ERequestType::SubscriberProxy: 
-            return str << "subscriber_proxy"; 
-        case ERequestType::ReplicaSubscriber: 
-            return str << "replica_subscriber"; 
-        case ERequestType::Cache: 
-            return str << "cache"; 
-        case ERequestType::Describe: 
-            return str << "describe"; 
-        case ERequestType::Resolver: 
-            return str << "resolver"; 
-        case ERequestType::Resolve: 
-            return str << "resolve"; 
-        case ERequestType::Unknown: 
-            return str; 
-        } 
-    } 
- 
-    static EAttributeType ParseAttributeType(const TJsonValue& value) { 
-        switch (value.GetType()) { 
-        case JSON_BOOLEAN: 
-        case JSON_INTEGER: 
-        case JSON_DOUBLE: 
-        case JSON_UINTEGER: 
-            return EAttributeType::Pod; 
- 
-        case JSON_STRING: 
-            return EAttributeType::String; 
- 
+
+#include <library/cpp/actors/core/actor_bootstrapped.h>
+#include <library/cpp/actors/core/hfunc.h>
+#include <library/cpp/actors/core/mon.h>
+
+#include <library/cpp/monlib/service/pages/mon_page.h>
+#include <library/cpp/monlib/service/pages/templates.h>
+
+#include <library/cpp/json/json_value.h>
+#include <library/cpp/json/json_writer.h>
+
+#include <util/generic/hash.h>
+#include <util/generic/hash_set.h>
+#include <util/generic/list.h>
+#include <util/generic/variant.h>
+#include <util/stream/str.h>
+#include <util/string/builder.h>
+#include <util/string/cast.h>
+#include <util/string/join.h>
+#include <util/string/split.h>
+
+// additional html elements
+namespace NMonitoring {
+    const char NavTag[] = "nav";
+    using TNav = TTag<NavTag>;
+}
+
+namespace NKikimr {
+namespace NSchemeBoard {
+
+using namespace NJson;
+
+class TMonitoring: public TActorBootstrapped<TMonitoring> {
+    static constexpr char ROOT[] = "scheme_board";
+
+    using TActivity = NKikimrServices::TActivity;
+    using EActivityType = TActivity::EType;
+    using EContentType = NMon::IEvHttpInfoRes::EContentType;
+
+    enum class ERequestType {
+        Unknown,
+        Index,
+        Populator,
+        ReplicaPopulator,
+        Replica,
+        Subscriber,
+        SubscriberProxy,
+        ReplicaSubscriber,
+        Cache,
+        Describe,
+        Resolver,
+        Resolve,
+    };
+
+    enum class EAttributeType {
+        Unknown,
+        Pod,
+        String,
+        ActorId,
+    };
+
+    struct TActorInfo {
+        EActivityType ActivityType;
+        TJsonMap Attributes;
+
+        TActorInfo(EActivityType activityType, const TJsonMap& attributes)
+            : ActivityType(activityType)
+            , Attributes(attributes)
+        {
+        }
+
+        TActorInfo(const TSchemeBoardMonEvents::TEvRegister& ev)
+            : TActorInfo(ev.ActivityType, ev.Attributes)
+        {
+        }
+    };
+
+    void Handle(TSchemeBoardMonEvents::TEvRegister::TPtr& ev) {
+        const auto& msg = *ev->Get();
+
+        if (RegisteredActors.emplace(ev->Sender, msg).second) {
+            ByActivityType[msg.ActivityType].emplace(ev->Sender);
+        }
+    }
+
+    void Handle(TSchemeBoardMonEvents::TEvUnregister::TPtr& ev) {
+        auto registered = RegisteredActors.find(ev->Sender);
+        if (registered == RegisteredActors.end()) {
+            return;
+        }
+
+        auto byActivity = ByActivityType.find(registered->second.ActivityType);
+        Y_VERIFY(byActivity != ByActivityType.end());
+
+        byActivity->second.erase(ev->Sender);
+        if (byActivity->second.empty()) {
+            ByActivityType.erase(byActivity);
+        }
+
+        RegisteredActors.erase(registered);
+    }
+
+    static ERequestType ParseRequestType(const TStringBuf relPath) {
+        if (!relPath || relPath == "/") {
+            return ERequestType::Index;
+        } else if (relPath.StartsWith("/populator")) {
+            return ERequestType::Populator;
+        } else if (relPath.StartsWith("/replica_populator")) {
+            return ERequestType::ReplicaPopulator;
+        } else if (relPath.StartsWith("/replica")) {
+            return ERequestType::Replica;
+        } else if (relPath.StartsWith("/subscriber")) {
+            return ERequestType::Subscriber;
+        } else if (relPath.StartsWith("/subscriber_proxy")) {
+            return ERequestType::SubscriberProxy;
+        } else if (relPath.StartsWith("/replica_subscriber")) {
+            return ERequestType::ReplicaSubscriber;
+        } else if (relPath.StartsWith("/cache")) {
+            return ERequestType::Cache;
+        } else if (relPath.StartsWith("/describe")) {
+            return ERequestType::Describe;
+        } else if (relPath.StartsWith("/resolver")) {
+            return ERequestType::Resolver;
+        } else if (relPath.StartsWith("/resolve")) {
+            return ERequestType::Resolve;
+        } else {
+            return ERequestType::Unknown;
+        }
+    }
+
+    static TString MakeLink(ERequestType requestType, const TStringBuf prefix) {
+        TStringBuilder str;
+
+        if (prefix) {
+            str << prefix << "/";
+        }
+
+        switch (requestType) {
+        case ERequestType::Index:
+            return str << ROOT;
+        case ERequestType::Populator:
+            return str << "populator";
+        case ERequestType::ReplicaPopulator:
+            return str << "replica_populator";
+        case ERequestType::Replica:
+            return str << "replica";
+        case ERequestType::Subscriber:
+            return str << "subscriber";
+        case ERequestType::SubscriberProxy:
+            return str << "subscriber_proxy";
+        case ERequestType::ReplicaSubscriber:
+            return str << "replica_subscriber";
+        case ERequestType::Cache:
+            return str << "cache";
+        case ERequestType::Describe:
+            return str << "describe";
+        case ERequestType::Resolver:
+            return str << "resolver";
+        case ERequestType::Resolve:
+            return str << "resolve";
+        case ERequestType::Unknown:
+            return str;
+        }
+    }
+
+    static EAttributeType ParseAttributeType(const TJsonValue& value) {
+        switch (value.GetType()) {
+        case JSON_BOOLEAN:
+        case JSON_INTEGER:
+        case JSON_DOUBLE:
+        case JSON_UINTEGER:
+            return EAttributeType::Pod;
+
+        case JSON_STRING:
+            return EAttributeType::String;
+
         case JSON_MAP:
         {
-            const auto* type = value.GetMapSafe().FindPtr("@type"); 
- 
-            if (!type || type->GetType() != JSON_STRING) { 
-                return EAttributeType::Unknown; 
-            } 
- 
-            if (type->GetStringSafe() == "ACTOR_ID") { 
-                return EAttributeType::ActorId; 
-            } 
+            const auto* type = value.GetMapSafe().FindPtr("@type");
+
+            if (!type || type->GetType() != JSON_STRING) {
+                return EAttributeType::Unknown;
+            }
+
+            if (type->GetStringSafe() == "ACTOR_ID") {
+                return EAttributeType::ActorId;
+            }
             // can not detenmine map type, fallback to unknown
             [[fallthrough]];
-        } 
- 
-        default: 
-            return EAttributeType::Unknown; 
-        } 
-    } 
- 
-    template <typename P, typename D> 
-    static bool TryGetNext(TStringBuf& s, D delim, P& param) { 
-        TMaybe<TStringBuf> buf; 
-        GetNext(s, delim, buf); 
-        if (!buf) { 
-            return false; 
-        } 
- 
-        return TryFromString(*buf, param); 
-    } 
- 
-    static TActorId ParseActorId(TStringBuf str) { 
-        ui64 x1; 
-        ui64 x2; 
- 
-        if (!TryGetNext(str, ':', x1) || !TryGetNext(str, ':', x2)) { 
-            return {}; 
-        } 
- 
-        return TActorId(x1, x2); 
-    } 
- 
-    static TActorId ParseActorIdFromPath(TStringBuf relPath) { 
-        if (relPath.EndsWith('/')) { 
-            relPath.Chop(1); 
-        } 
- 
-        auto lastPart = relPath.RNextTok('/'); 
-        if (!lastPart) { 
-            return {}; 
-        } 
- 
-        return ParseActorId(lastPart); 
-    } 
- 
-    static TActorId ParseActorId(const TJsonValue& value) { 
-        if (value.GetType() != JSON_STRING) { 
-            return {}; 
-        } 
- 
-        return ParseActorId(TStringBuf(value.GetStringSafe())); 
-    } 
- 
-    static EActivityType ParseActivityType(const TJsonValue& value) { 
-        if (value.GetType() != JSON_STRING) { 
-            return TActivity::OTHER; 
-        } 
- 
-        EActivityType result; 
-        if (!TActivity::EType_Parse(value.GetStringSafe(), &result)) { 
-            return TActivity::OTHER; 
-        } 
- 
-        return result; 
-    } 
- 
-    static std::pair<EActivityType, TActorId> ParseActorId(const TJsonValue::TMapType& map) { 
-        const auto* activityType = map.FindPtr("ActivityType"); 
-        const auto* actorId = map.FindPtr("ActorId"); 
- 
-        if (!activityType || !actorId) { 
-            return {}; 
-        } 
- 
-        return std::make_pair(ParseActivityType(*activityType), ParseActorId(*actorId)); 
-    } 
- 
-    static TPathId PathIdFromProto(const NKikimrSchemeBoardMon::TPathId& proto) { 
-        return TPathId(proto.GetOwnerId(), proto.GetLocalPathId()); 
-    } 
- 
-    template <typename T> 
-    static TString GetPath(const T& proto) { 
-        if (proto.HasPath()) { 
-            return proto.GetPath(); 
-        } else if (proto.HasPathId()) { 
-            return ToString(PathIdFromProto(proto.GetPathId())); 
-        } 
- 
-        return {}; 
-    } 
- 
-    const TJsonValue::TMapType& GetAttrs(const TActorId& actorId) const { 
-        auto it = RegisteredActors.find(actorId); 
-        Y_VERIFY(it != RegisteredActors.end()); 
- 
-        return it->second.Attributes.GetMapSafe(); 
-    } 
- 
-    using TRenderer = std::function<void(IOutputStream&)>; 
- 
-    template <typename T, typename U> 
-    static void Header(IOutputStream& str, const T& title, const U& subTitile) { 
-        HTML(str) { 
-            DIV_CLASS("page-header") { 
-                H3() { 
-                    str << title; 
-                    if (subTitile) { 
-                        SMALL() { str << " " << subTitile; } 
-                    } 
-                } 
-            } 
-        } 
-    } 
- 
-    template <> 
-    void Header(IOutputStream& str, const TString& activityType, const NActorsProto::TActorId& actorId) { 
-        Header(str, activityType, ActorIdFromProto(actorId)); 
-    } 
- 
-    static void Alert(IOutputStream& str, const TStringBuf text) { 
-        HTML(str) { 
-            DIV_CLASS("alert alert-warning") { 
-                STRONG() { 
-                    str << "Warning:"; 
-                } 
-                str << " " << text << "."; 
-            } 
-        } 
-    } 
- 
-    static void Panel(IOutputStream& str, TRenderer title, TRenderer body) { 
-        HTML(str) { 
-            DIV_CLASS("panel panel-default") { 
-                DIV_CLASS("panel-heading") { 
-                    H4_CLASS("panel-title") { 
-                        title(str); 
-                    } 
-                } 
-                body(str); 
-            } 
-        } 
-    } 
- 
-    static void SimplePanel(IOutputStream& str, const TStringBuf title, TRenderer body) { 
-        auto titleRenderer = [&title](IOutputStream& str) { 
-            HTML(str) { 
-                str << title; 
-            } 
-        }; 
- 
-        auto bodyRenderer = [body = std::move(body)](IOutputStream& str) { 
-            HTML(str) { 
-                DIV_CLASS("panel-body") { 
-                    body(str); 
-                } 
-            } 
-        }; 
- 
-        Panel(str, titleRenderer, bodyRenderer); 
-    } 
- 
-    static void CollapsedPanel(IOutputStream& str, const TStringBuf title, const TStringBuf targetId, TRenderer body) { 
-        auto titleRenderer = [&title, &targetId](IOutputStream& str) { 
-            HTML(str) { 
-                str << "<a data-toggle='collapse' href='#" << targetId << "'>" 
-                    << title 
-                << "</a>"; 
-            } 
-        }; 
- 
-        auto bodyRenderer = [&targetId, body = std::move(body)](IOutputStream& str) { 
-            HTML(str) { 
-                str << "<div id='" << targetId << "' class='collapse'>"; 
-                DIV_CLASS("panel-body") { 
-                    body(str); 
-                } 
-                str << "</div>"; 
-            } 
-        }; 
- 
-        Panel(str, titleRenderer, bodyRenderer); 
-    } 
- 
-    static ERequestType ConvertActivityType(EActivityType activityType) { 
-        static THashMap<EActivityType, ERequestType> activityToRequest = { 
-            {TActivity::SCHEME_BOARD_POPULATOR_ACTOR, ERequestType::Populator}, 
-            {TActivity::SCHEME_BOARD_REPLICA_POPULATOR_ACTOR, ERequestType::ReplicaPopulator}, 
-            {TActivity::SCHEME_BOARD_REPLICA_ACTOR, ERequestType::Replica}, 
-            {TActivity::SCHEME_BOARD_SUBSCRIBER_ACTOR, ERequestType::Subscriber}, 
-            {TActivity::SCHEME_BOARD_SUBSCRIBER_PROXY_ACTOR, ERequestType::SubscriberProxy}, 
-            {TActivity::SCHEME_BOARD_REPLICA_SUBSCRIBER_ACTOR, ERequestType::ReplicaSubscriber}, 
-            {TActivity::PROXY_SCHEME_CACHE, ERequestType::Cache}, 
-        }; 
- 
-        return activityToRequest.Value(activityType, ERequestType::Unknown); 
-    } 
- 
-    static TString ActorIdToStringSafe(const TActorId& actorId) { 
-        return TStringBuilder() << actorId.RawX1() << ":" << actorId.RawX2(); 
-    } 
- 
-    template <typename T> 
-    static void Link(IOutputStream& str, const TStringBuf path, const T& title) { 
-        HTML(str) { 
-            HREF(path) { 
-                str << title; 
-            } 
-        } 
-    } 
- 
-    static void Link(IOutputStream& str, ERequestType requestType, const TStringBuf title, const TStringBuf prefix = "..") { 
-        Link(str, MakeLink(requestType, prefix), title); 
-    } 
- 
-    static void Link(IOutputStream& str, EActivityType activityType, const TActorId& actorId, const TStringBuf prefix = "..") { 
-        const TString path = TStringBuilder() 
-            << MakeLink(ConvertActivityType(activityType), prefix) 
-            << "/" << ActorIdToStringSafe(actorId); 
-        Link(str, path, actorId); 
-    } 
- 
-    static void Link(IOutputStream& str, EActivityType activityType, const NActorsProto::TActorId& actorId, const TStringBuf prefix = "..") { 
-        Link(str, activityType, ActorIdFromProto(actorId), prefix); 
-    } 
- 
-    template <typename T> 
-    static void TermDesc(IOutputStream& str, const TStringBuf term, const T& desc) { 
-        HTML(str) { 
-            DT() { str << term; } 
-            DD() { str << desc; } 
-        } 
-    } 
- 
-    template <typename T> 
-    static void TermDescLink(IOutputStream& str, const TStringBuf term, EActivityType activityType, const T& actorId) { 
-        HTML(str) { 
-            DT() { str << term; } 
-            DD() { Link(str, activityType, actorId); } 
-        } 
-    } 
- 
-    enum EFormType : ui8 { 
-        ByPath = 1 << 0, 
-        ByPathId = 1 << 1, 
-        Both = ByPath | ByPathId, 
-    }; 
- 
-    static void Form(IOutputStream& str, EFormType formType, ERequestType linkType, const TStringBuf linkPrefix, const TActorId& actorId) { 
-        HTML(str) { 
-            FORM_CLASS("form-horizontal") { 
-                const auto action = MakeLink(linkType, linkPrefix); 
- 
-                if (formType & EFormType::ByPath) { 
-                    DIV_CLASS("form-group") { 
-                        LABEL_CLASS_FOR("col-sm-2 control-label", "path") { 
-                            str << "Path"; 
-                        } 
-                        DIV_CLASS("col-sm-8") { 
-                            str << "<input type='text' id='path' name='path' class='form-control' placeholder='/full/path'>"; 
-                        } 
-                        DIV_CLASS("col-sm-2") { 
-                            str << "<button type='submit' name='byPath' formaction='" << action << "' class='btn btn-primary'>" 
-                                << "Find by path" 
-                            << "</button>"; 
-                        } 
-                    } 
-                } 
- 
-                if (formType & EFormType::ByPathId) { 
-                    DIV_CLASS("form-group") { 
-                        LABEL_CLASS_FOR("col-sm-2 control-label", "pathId") { 
-                            str << "PathId"; 
-                        } 
-                        DIV_CLASS("col-sm-4") { 
-                            str << "<input type='number' id='ownerId' name='ownerId' class='form-control' placeholder='owner id'>"; 
-                        } 
-                        DIV_CLASS("col-sm-4") { 
-                            str << "<input type='number' id='pathId' name='pathId' class='form-control' placeholder='local path id'>"; 
-                        } 
-                        DIV_CLASS("col-sm-2") { 
-                            str << "<button type='submit' name='byPathId' formaction='" << action << "' class='btn btn-info'>" 
-                                << "Find by path id" 
-                            << "</button>"; 
-                        } 
-                    } 
-                } 
- 
-                if (actorId) { 
-                    str << "<input type='hidden' name='actorId' value='" << ActorIdToStringSafe(actorId) << "'>"; 
-                } 
- 
-                str << "<pre id='description' class='hidden'/>"; 
- 
-                str << R"(<script> 
-                $(document).ready(function() { 
-                    $('button').click(function(e) { 
-                        e.preventDefault(); 
- 
-                        var btn = this; 
-                        var form = $('form'); 
- 
-                        $.ajax({ 
-                            type: "GET", 
-                            url: btn.formAction, 
-                            data: Object.assign({[btn.name]: 1}, form.serializeArray().reduce(function(obj, cur, _) { 
-                                obj[cur.name] = cur.value; 
-                                return obj; 
-                            }, {})), 
-                            success: function(data) { 
-                                $('#description').text(JSON.stringify(data, null, ' ')).removeClass('hidden'); 
-                            }, 
-                            error: function (data) { 
-                                $('#description').text("Error: " + data).removeClass('hidden'); 
-                            }, 
-                        }); 
-                    }); 
-                }); 
-                </script>)"; 
-            } 
-        } 
-    } 
- 
-    static void ResolveForm(IOutputStream& str) { 
-        Form(str, EFormType::Both, ERequestType::Resolve, "", {}); 
-    } 
- 
-    static void DescribeForm(IOutputStream& str, const TActorId& actorId, EFormType type = EFormType::Both) { 
-        Form(str, type, ERequestType::Describe, "..", actorId); 
-    } 
- 
-    static void Navbar(IOutputStream& str, ERequestType originRequestType) { 
-        static THashMap<ERequestType, TStringBuf> requestTypeToTitle = { 
-            {ERequestType::Index, "Main"}, 
-            {ERequestType::Resolver, "Resolver"}, 
-        }; 
- 
-        const bool isIndex = originRequestType == ERequestType::Index; 
- 
-        HTML(str) { 
-            TAG_CLASS(TNav, "navbar") { 
-                UL_CLASS("nav nav-pills") { 
-                    for (const auto& [rt, title] : requestTypeToTitle) { 
-                        if (rt == originRequestType) { 
-                            LI_CLASS("active") { Link(str, "#", title); } 
-                        } else { 
-                            LI() { Link(str, rt, title, isIndex ? ROOT : ".."); } 
-                        } 
-                    } 
-                } 
-            } 
-        } 
-    } 
- 
-    TString RenderIndex() const { 
-        TStringStream str; 
- 
-        HTML(str) { 
-            Navbar(str, ERequestType::Index); 
- 
-            for (const auto& kv : ByActivityType) { 
-                const auto& activityType = kv.first; 
-                const auto& actorIds = kv.second; 
-                const auto activityTypeStr = TActivity::EType_Name(activityType); 
- 
-                CollapsedPanel(str, activityTypeStr, activityTypeStr, [&](IOutputStream& str) { 
-                    HTML(str) { 
-                        TABLE_CLASS("table table-hover") { 
-                            TABLEHEAD() { 
-                                TABLER() { 
-                                    TABLEH() { str << "#"; } 
-                                    TABLEH() { str << "Actor"; } 
- 
-                                    Y_VERIFY(!actorIds.empty()); 
-                                    for (const auto& [key, _] : GetAttrs(*actorIds.begin())) { 
-                                        TABLEH() { str << key; } 
-                                    } 
-                                } 
-                            } 
-                            TABLEBODY() { 
-                                int i = 1; 
-                                for (const auto& actorId : actorIds) { 
-                                    TABLER() { 
-                                        TABLED() { str << i++; } 
-                                        TABLED() { Link(str, activityType, actorId, ROOT); } 
- 
-                                        for (const auto& [_, value] : GetAttrs(actorId)) { 
-                                            switch (ParseAttributeType(value)) { 
-                                            case EAttributeType::Pod: 
-                                                TABLED() { str << value; } 
-                                                break; 
- 
-                                            case EAttributeType::String: 
-                                                TABLED() { str << value.GetStringSafe(); } 
-                                                break; 
- 
-                                            case EAttributeType::ActorId: { 
-                                                const auto kv = ParseActorId(value.GetMapSafe()); 
-                                                TABLED() { Link(str, kv.first, kv.second, ROOT); } 
-                                                break; 
-                                            } 
- 
-                                            case EAttributeType::Unknown: 
-                                                break; 
-                                            } 
-                                        } 
-                                    } 
-                                } 
-                            } 
-                        } 
-                    } 
-                }); 
-            } 
-        } 
- 
-        return str.Str(); 
-    } 
- 
-    static TString RenderResolver(const TList<TActorId>& replicas) { 
-        TStringStream str; 
- 
-        HTML(str) { 
-            Navbar(str, ERequestType::Resolver); 
-            Header(str, "Replica resolver", ""); 
- 
-            SimplePanel(str, "Resolver", [](IOutputStream& str) { 
-                ResolveForm(str); 
-            }); 
- 
-            CollapsedPanel(str, "All replicas", "allReplicas", [&replicas](IOutputStream& str) { 
-                HTML(str) { 
-                    TABLE_CLASS("table table-hover") { 
-                        TABLEHEAD() { 
-                            TABLER() { 
-                                TABLEH() { str << "#"; } 
-                                TABLEH() { str << "Actor"; } 
-                            } 
-                        } 
-                        TABLEBODY() { 
-                            ui32 i = 0; 
-                            for (const auto& replica : replicas) { 
-                                TABLER() { 
-                                    TABLED() { str << ++i; } 
-                                    TABLED() { Link(str, TActivity::SCHEME_BOARD_REPLICA_ACTOR, replica, ""); } 
-                                } 
-                            } 
-                        } 
-                    } 
-                } 
-            }); 
-        } 
- 
-        return str.Str(); 
-    } 
- 
-    static TString RenderReplica(const NKikimrSchemeBoardMon::TEvInfoResponse& record) { 
-        Y_VERIFY(record.GetResponseCase() == NKikimrSchemeBoardMon::TEvInfoResponse::kReplicaResponse); 
-        const auto& response = record.GetReplicaResponse(); 
- 
-        TStringStream str; 
- 
-        HTML(str) { 
-            Header(str, record.GetActivityType(), record.GetSelf()); 
-            if (record.GetTruncated()) { 
-                Alert(str, "some lists has been truncated"); 
-            } 
- 
-            SimplePanel(str, "Descriptions", [&record](IOutputStream& str) { 
-                const auto& response = record.GetReplicaResponse(); 
- 
-                HTML(str) { 
-                    DL_CLASS("dl-horizontal") { 
-                        TermDesc(str, "TotalCount", response.GetDescriptions().GetTotalCount()); 
-                        TermDesc(str, "ByPathCount", response.GetDescriptions().GetByPathCount()); 
-                        TermDesc(str, "ByPathIdCount", response.GetDescriptions().GetByPathIdCount()); 
-                    } 
- 
-                    DescribeForm(str, ActorIdFromProto(record.GetSelf())); 
-                } 
-            }); 
- 
-            CollapsedPanel(str, "Populators", "populators", [&response](IOutputStream& str) { 
-                HTML(str) { 
-                    TABLE_CLASS("table table-hover") { 
-                        TABLEHEAD() { 
-                            TABLER() { 
-                                TABLEH() { str << "#"; } 
-                                TABLEH() { str << "Actor"; } 
-                                TABLEH() { str << "Owner"; } 
-                                TABLEH() { str << "Generation"; } 
-                                TABLEH() { str << "PendingGeneration"; } 
-                            } 
-                        } 
-                        TABLEBODY() { 
-                            for (ui32 i = 0; i < response.PopulatorsSize(); ++i) { 
-                                const auto& populator = response.GetPopulators(i); 
- 
-                                TABLER() { 
-                                    TABLED() { str << (i + 1); } 
-                                    TABLED() { Link(str, TActivity::SCHEME_BOARD_REPLICA_POPULATOR_ACTOR, populator.GetActorId()); } 
-                                    TABLED() { str << populator.GetOwner(); } 
-                                    TABLED() { str << populator.GetGeneration(); } 
-                                    TABLED() { str << populator.GetPendingGeneration(); } 
-                                } 
-                            } 
-                        } 
-                    } 
-                } 
-            }); 
- 
-            CollapsedPanel(str, "Subscribers", "subscribers", [&response](IOutputStream& str) { 
-                HTML(str) { 
-                    TABLE_CLASS("table table-hover") { 
-                        TABLEHEAD() { 
-                            TABLER() { 
-                                TABLEH() { str << "#"; } 
-                                TABLEH() { str << "Actor"; } 
-                                TABLEH() { str << "Path"; } 
-                            } 
-                        } 
-                        TABLEBODY() { 
-                            for (ui32 i = 0; i < response.SubscribersSize(); ++i) { 
-                                const auto& subscriber = response.GetSubscribers(i); 
- 
-                                TABLER() { 
-                                    TABLED() { str << (i + 1); } 
-                                    TABLED() { Link(str, TActivity::SCHEME_BOARD_REPLICA_SUBSCRIBER_ACTOR, subscriber.GetActorId()); } 
-                                    TABLED() { str << GetPath(subscriber); } 
-                                } 
-                            } 
-                        } 
-                    } 
-                } 
-            }); 
-        } 
- 
-        return str.Str(); 
-    } 
- 
-    static TString RenderPopulator(const NKikimrSchemeBoardMon::TEvInfoResponse& record) { 
-        Y_VERIFY(record.GetResponseCase() == NKikimrSchemeBoardMon::TEvInfoResponse::kPopulatorResponse); 
-        const auto& response = record.GetPopulatorResponse(); 
- 
-        TStringStream str; 
- 
-        HTML(str) { 
-            Header(str, record.GetActivityType(), record.GetSelf()); 
-            if (record.GetTruncated()) { 
-                Alert(str, "some lists has been truncated"); 
-            } 
- 
-            SimplePanel(str, "Info", [&record](IOutputStream& str) { 
-                const auto& response = record.GetPopulatorResponse(); 
- 
-                HTML(str) { 
-                    DL_CLASS("dl-horizontal") { 
-                        TermDesc(str, "Owner", response.GetOwner()); 
-                        TermDesc(str, "Generation", response.GetGeneration()); 
-                        TermDesc(str, "DescriptionsCount", response.GetDescriptionsCount()); 
-                        TermDesc(str, "MaxPathId", PathIdFromProto(response.GetMaxPathId())); 
-                        TermDesc(str, "DelayedUpdatesCount", response.GetDelayedUpdatesCount()); 
-                    } 
- 
-                    DescribeForm(str, ActorIdFromProto(record.GetSelf()), EFormType::ByPathId); 
-                } 
-            }); 
- 
-            CollapsedPanel(str, "ReplicaPopulators", "replicaPopulators", [&response](IOutputStream& str) { 
-                HTML(str) { 
-                    TABLE_CLASS("table table-hover") { 
-                        TABLEHEAD() { 
-                            TABLER() { 
-                                TABLEH() { str << "#"; } 
-                                TABLEH() { str << "Actor"; } 
-                            } 
-                        } 
-                        TABLEBODY() { 
-                            for (ui32 i = 0; i < response.ReplicaPopulatorsSize(); ++i) { 
-                                const auto& replicaPopulator = response.GetReplicaPopulators(i); 
- 
-                                TABLER() { 
-                                    TABLED() { str << (i + 1); } 
-                                    TABLED() { Link(str, TActivity::SCHEME_BOARD_REPLICA_POPULATOR_ACTOR, replicaPopulator); } 
-                                } 
-                            } 
-                        } 
-                    } 
-                } 
-            }); 
- 
-            CollapsedPanel(str, "UpdateAcks", "updateAcks", [&response](IOutputStream& str) { 
-                HTML(str) { 
-                    TABLE_CLASS("table table-hover") { 
-                        TABLEHEAD() { 
-                            TABLER() { 
-                                TABLEH() { str << "#"; } 
-                                TABLEH() { str << "Cookie"; } 
-                                TABLEH() { str << "AckTo"; } 
-                                TABLEH() { str << "PathId / Version / AcksCount"; } 
-                            } 
-                        } 
-                        TABLEBODY() { 
-                            for (ui32 i = 0; i < response.UpdateAcksSize(); ++i) { 
-                                const auto& updateAck = response.GetUpdateAcks(i); 
- 
-                                TABLER() { 
-                                    TABLED() { str << (i + 1); } 
-                                    TABLED() { str << updateAck.GetCookie(); } 
-                                    TABLED() { str << ActorIdFromProto(updateAck.GetAckTo()); } 
-                                    TABLED() { 
-                                        TABLE_CLASS("table table-condensed") { 
-                                            TABLEBODY() { 
-                                                for (ui32 i = 0; i < updateAck.PathAcksSize(); ++i) { 
-                                                    const auto& pathAck = updateAck.GetPathAcks(i); 
- 
-                                                    TABLER() { 
-                                                        TABLED() { str << PathIdFromProto(pathAck.GetPathId()); } 
-                                                        TABLED() { str << pathAck.GetVersion(); } 
-                                                        TABLED() { str << pathAck.GetAcksCount(); } 
-                                                    } 
-                                                } 
-                                            } 
-                                        } 
-                                    } 
-                                } 
-                            } 
-                        } 
-                    } 
-                } 
-            }); 
-        } 
- 
-        return str.Str(); 
-    } 
- 
-    static TString RenderReplicaPopulator(const NKikimrSchemeBoardMon::TEvInfoResponse& record) { 
-        Y_VERIFY(record.GetResponseCase() == NKikimrSchemeBoardMon::TEvInfoResponse::kReplicaPopulatorResponse); 
-        const auto& response = record.GetReplicaPopulatorResponse(); 
- 
-        TStringStream str; 
- 
-        HTML(str) { 
-            Header(str, record.GetActivityType(), record.GetSelf()); 
-            if (record.GetTruncated()) { 
-                Alert(str, "some lists has been truncated"); 
-            } 
- 
-            SimplePanel(str, "Info", [&response](IOutputStream& str) { 
-                HTML(str) { 
-                    DL_CLASS("dl-horizontal") { 
-                        TermDescLink(str, "Parent", TActivity::SCHEME_BOARD_POPULATOR_ACTOR, response.GetParent()); 
-                        TermDescLink(str, "Replica", TActivity::SCHEME_BOARD_REPLICA_ACTOR, response.GetReplica()); 
-                        TermDesc(str, "Owner", response.GetOwner()); 
-                        TermDesc(str, "Generation", response.GetGeneration()); 
-                        TermDesc(str, "CurPathId", PathIdFromProto(response.GetCurPathId())); 
-                        TermDesc(str, "LastAckedPathId", PathIdFromProto(response.GetLastAckedPathId())); 
-                        TermDesc(str, "BatchSize", response.GetBatchSize()); 
-                        TermDesc(str, "BatchSizeLimit", response.GetBatchSizeLimit()); 
-                    } 
-                } 
-            }); 
- 
-            auto renderUpdates = [&str](const TStringBuf title, const TStringBuf targetId, const auto& updates) { 
-                CollapsedPanel(str, title, targetId, [&updates](IOutputStream& str) { 
-                    HTML(str) { 
-                        TABLE_CLASS("table table-hover") { 
-                            TABLEHEAD() { 
-                                TABLER() { 
-                                    TABLEH() { str << "#"; } 
-                                    TABLEH() { str << "PathId"; } 
-                                    TABLEH() { str << "Version / TxIds"; } 
-                                } 
-                            } 
-                            TABLEBODY() { 
-                                for (int i = 0; i < updates.size(); ++i) { 
-                                    const auto& update = updates[i]; 
- 
-                                    TABLER() { 
-                                        TABLED() { str << (i + 1); } 
-                                        TABLED() { str << PathIdFromProto(update.GetPathId()); } 
-                                        TABLED() { 
-                                            TABLE_CLASS("table table-condensed") { 
-                                                TABLEBODY() { 
-                                                    for (ui32 i = 0; i < update.VersionsSize(); ++i) { 
-                                                        const auto& version = update.GetVersions(i); 
- 
-                                                        TABLER() { 
-                                                            TABLED() { str << version.GetVersion(); } 
-                                                            TABLED() { str << JoinSeq(", ", version.GetTxIds()); } 
-                                                        } 
-                                                    } 
-                                                } 
-                                            } 
-                                        } 
-                                    } 
-                                } 
-                            } 
-                        } 
-                    } 
-                }); 
-            }; 
- 
-            renderUpdates("Updates", "updates", response.GetUpdates()); 
-            renderUpdates("UpdatesRequested", "updatesRequested", response.GetUpdatesRequested()); 
-            renderUpdates("UpdatesInFlight", "updatesInFlight", response.GetUpdatesInFlight()); 
-        } 
- 
-        return str.Str(); 
-    } 
- 
-    static TString RenderSubscriber(const NKikimrSchemeBoardMon::TEvInfoResponse& record) { 
-        Y_VERIFY(record.GetResponseCase() == NKikimrSchemeBoardMon::TEvInfoResponse::kSubscriberResponse); 
-        const auto& response = record.GetSubscriberResponse(); 
- 
-        TStringStream str; 
- 
-        HTML(str) { 
-            Header(str, record.GetActivityType(), record.GetSelf()); 
- 
-            SimplePanel(str, "Info", [&response](IOutputStream& str) { 
-                HTML(str) { 
-                    DL_CLASS("dl-horizontal") { 
-                        TermDesc(str, "Owner", ActorIdFromProto(response.GetOwner())); 
-                        TermDesc(str, "DomainOwnerId", response.GetDomainOwnerId()); 
-                        TermDesc(str, "DelayedSyncRequest", response.GetDelayedSyncRequest()); 
-                        TermDesc(str, "CurrentSyncRequest", response.GetCurrentSyncRequest()); 
-                        TermDesc(str, "Path", GetPath(response)); 
-                    } 
-                } 
-            }); 
- 
-            CollapsedPanel(str, "State", "state", [&response](IOutputStream& str) { 
-                HTML(str) { 
-                    DL_CLASS("dl-horizontal") { 
-                        TermDesc(str, "Deleted", response.GetState().GetDeleted()); 
-                        TermDesc(str, "Strong", response.GetState().GetStrong()); 
-                        TermDesc(str, "PathId", PathIdFromProto(response.GetState().GetPathId())); 
-                        TermDesc(str, "Version", response.GetState().GetVersion()); 
-                        TermDesc(str, "DomainId", PathIdFromProto(response.GetState().GetDomainId())); 
-                        TermDesc(str, "AbandonedSchemeShards", JoinSeq(", ", response.GetState().GetAbandonedSchemeShards())); 
-                    } 
-                } 
-            }); 
- 
-            CollapsedPanel(str, "ProxyStates", "proxyStates", [&response](IOutputStream& str) { 
-                HTML(str) { 
-                    TABLE_CLASS("table table-hover") { 
-                        TABLEHEAD() { 
-                            TABLER() { 
-                                TABLEH() { str << "#"; } 
-                                TABLEH() { str << "Actor"; } 
-                                TABLEH() { str << "Deleted"; } 
-                                TABLEH() { str << "Strong"; } 
-                                TABLEH() { str << "PathId"; } 
-                                TABLEH() { str << "Version"; } 
-                                TABLEH() { str << "DomainId"; } 
-                                TABLEH() { str << "AbandonedSchemeShards"; } 
-                            } 
-                        } 
-                        TABLEBODY() { 
-                            for (ui32 i = 0; i < response.ProxyStatesSize(); ++i) { 
-                                const auto& proxy = response.GetProxyStates(i); 
-                                const auto& state = proxy.GetState(); 
- 
-                                TABLER() { 
-                                    TABLED() { str << (i + 1); } 
-                                    TABLED() { Link(str, TActivity::SCHEME_BOARD_SUBSCRIBER_PROXY_ACTOR, proxy.GetProxy()); } 
-                                    TABLED() { str << state.GetDeleted(); } 
-                                    TABLED() { str << state.GetStrong(); } 
-                                    TABLED() { str << PathIdFromProto(state.GetPathId()); } 
-                                    TABLED() { str << state.GetVersion(); } 
-                                    TABLED() { str << PathIdFromProto(state.GetDomainId()); } 
-                                    TABLED() { str << JoinSeq(", ", state.GetAbandonedSchemeShards()); } 
-                                } 
-                            } 
-                        } 
-                    } 
-                } 
-            }); 
-        } 
- 
-        return str.Str(); 
-    } 
- 
-    static TString RenderSubscriberProxy(const NKikimrSchemeBoardMon::TEvInfoResponse& record) { 
-        Y_VERIFY(record.GetResponseCase() == NKikimrSchemeBoardMon::TEvInfoResponse::kSubscriberProxyResponse); 
-        const auto& response = record.GetSubscriberProxyResponse(); 
- 
-        TStringStream str; 
- 
-        HTML(str) { 
-            Header(str, record.GetActivityType(), record.GetSelf()); 
- 
-            SimplePanel(str, "Info", [&response](IOutputStream& str) { 
-                HTML(str) { 
-                    DL_CLASS("dl-horizontal") { 
-                        TermDescLink(str, "Parent", TActivity::SCHEME_BOARD_SUBSCRIBER_ACTOR, response.GetParent()); 
-                        TermDescLink(str, "Replica", TActivity::SCHEME_BOARD_REPLICA_ACTOR, response.GetReplica()); 
-                        TermDescLink(str, "ReplicaSubscriber", TActivity::SCHEME_BOARD_REPLICA_SUBSCRIBER_ACTOR, response.GetReplicaSubscriber()); 
-                        TermDesc(str, "DomainOwnerId", response.GetDomainOwnerId()); 
-                        TermDesc(str, "CurrentSyncRequest", response.GetCurrentSyncRequest()); 
-                        TermDesc(str, "Path", GetPath(response)); 
-                    } 
-                } 
-            }); 
-        } 
- 
-        return str.Str(); 
-    } 
- 
-    static TString RenderReplicaSubscriber(const NKikimrSchemeBoardMon::TEvInfoResponse& record) { 
-        Y_VERIFY(record.GetResponseCase() == NKikimrSchemeBoardMon::TEvInfoResponse::kReplicaSubscriberResponse); 
-        const auto& response = record.GetReplicaSubscriberResponse(); 
- 
-        TStringStream str; 
- 
-        HTML(str) { 
-            Header(str, record.GetActivityType(), record.GetSelf()); 
- 
-            SimplePanel(str, "Info", [&response](IOutputStream& str) { 
-                HTML(str) { 
-                    DL_CLASS("dl-horizontal") { 
-                        TermDescLink(str, "Parent", TActivity::SCHEME_BOARD_SUBSCRIBER_PROXY_ACTOR, response.GetParent()); 
-                        TermDescLink(str, "Replica", TActivity::SCHEME_BOARD_REPLICA_ACTOR, response.GetReplica()); 
-                        TermDesc(str, "DomainOwnerId", response.GetDomainOwnerId()); 
-                        TermDesc(str, "CurrentSyncRequest", response.GetCurrentSyncRequest()); 
-                        TermDesc(str, "Path", GetPath(response)); 
-                    } 
-                } 
-            }); 
-        } 
- 
-        return str.Str(); 
-    } 
- 
-    static TString RenderCache(const NKikimrSchemeBoardMon::TEvInfoResponse& record) { 
-        Y_VERIFY(record.GetResponseCase() == NKikimrSchemeBoardMon::TEvInfoResponse::kCacheResponse); 
- 
-        TStringStream str; 
- 
-        HTML(str) { 
-            Header(str, record.GetActivityType(), record.GetSelf()); 
- 
-            SimplePanel(str, "Descriptions", [&record](IOutputStream& str) { 
-                const auto& response = record.GetCacheResponse(); 
- 
-                HTML(str) { 
-                    DL_CLASS("dl-horizontal") { 
-                        TermDesc(str, "TotalCount", response.GetItemsTotalCount()); 
-                        TermDesc(str, "ByPathCount", response.GetItemsByPathCount()); 
-                        TermDesc(str, "ByPathIdCount", response.GetItemsByPathIdCount()); 
-                    } 
- 
-                    DescribeForm(str, ActorIdFromProto(record.GetSelf())); 
-                } 
-            }); 
-        } 
- 
-        return str.Str(); 
-    } 
- 
-    static TActorId MakeStateStorageProxyId() { 
-        const auto& domains = AppData()->DomainsInfo->Domains; 
-        Y_VERIFY(domains.size() <= 1); 
- 
-        for (const auto& domain : domains) { 
-            return NKikimr::MakeStateStorageProxyID(domain.second->DefaultSchemeBoardGroup); 
-        } 
- 
-        Y_FAIL("unreachable"); 
-    } 
- 
-    template <typename TDerived, typename TEvResponse> 
-    class TBaseRequester: public TActorBootstrapped<TDerived> { 
-        static constexpr char HTTPBADGATEWAY[] = "HTTP/1.1 502 Bad Gateway\r\nConnection: Close\r\n\r\nBad Gateway\r\n"; 
-        static constexpr char HTTPUNAVAILABLE[] = "HTTP/1.1 503 Service Unavailable\r\nConnection: Close\r\n\r\nService Unavailable\r\n"; 
-        static constexpr char HTTPTIMEOUT[] = "HTTP/1.1 504 Gateway Timeout\r\nConnection: Close\r\n\r\nGateway Timeout\r\n"; 
- 
-    protected: 
-        virtual IEventBase* MakeRequest() const = 0; 
-        virtual void ProcessResponse(typename TEvResponse::TPtr& ev) = 0; 
- 
-        void Handle(typename TEvResponse::TPtr& ev) { 
-            ProcessResponse(ev); 
-        } 
- 
-        void Reply(const TString& content, EContentType type = EContentType::Html) { 
-            this->Send(ReplyTo, new NMon::TEvHttpInfoRes(content, 0, type)); 
-            this->PassAway(); 
-        } 
- 
-        void BadGateway() { 
-            Reply(HTTPBADGATEWAY, EContentType::Custom); 
-        } 
- 
-        void Timeout() { 
-            Reply(HTTPTIMEOUT, EContentType::Custom); 
-        } 
- 
-        void Unavailable() { 
-            Reply(HTTPUNAVAILABLE, EContentType::Custom); 
-        } 
- 
-    public: 
+        }
+
+        default:
+            return EAttributeType::Unknown;
+        }
+    }
+
+    template <typename P, typename D>
+    static bool TryGetNext(TStringBuf& s, D delim, P& param) {
+        TMaybe<TStringBuf> buf;
+        GetNext(s, delim, buf);
+        if (!buf) {
+            return false;
+        }
+
+        return TryFromString(*buf, param);
+    }
+
+    static TActorId ParseActorId(TStringBuf str) {
+        ui64 x1;
+        ui64 x2;
+
+        if (!TryGetNext(str, ':', x1) || !TryGetNext(str, ':', x2)) {
+            return {};
+        }
+
+        return TActorId(x1, x2);
+    }
+
+    static TActorId ParseActorIdFromPath(TStringBuf relPath) {
+        if (relPath.EndsWith('/')) {
+            relPath.Chop(1);
+        }
+
+        auto lastPart = relPath.RNextTok('/');
+        if (!lastPart) {
+            return {};
+        }
+
+        return ParseActorId(lastPart);
+    }
+
+    static TActorId ParseActorId(const TJsonValue& value) {
+        if (value.GetType() != JSON_STRING) {
+            return {};
+        }
+
+        return ParseActorId(TStringBuf(value.GetStringSafe()));
+    }
+
+    static EActivityType ParseActivityType(const TJsonValue& value) {
+        if (value.GetType() != JSON_STRING) {
+            return TActivity::OTHER;
+        }
+
+        EActivityType result;
+        if (!TActivity::EType_Parse(value.GetStringSafe(), &result)) {
+            return TActivity::OTHER;
+        }
+
+        return result;
+    }
+
+    static std::pair<EActivityType, TActorId> ParseActorId(const TJsonValue::TMapType& map) {
+        const auto* activityType = map.FindPtr("ActivityType");
+        const auto* actorId = map.FindPtr("ActorId");
+
+        if (!activityType || !actorId) {
+            return {};
+        }
+
+        return std::make_pair(ParseActivityType(*activityType), ParseActorId(*actorId));
+    }
+
+    static TPathId PathIdFromProto(const NKikimrSchemeBoardMon::TPathId& proto) {
+        return TPathId(proto.GetOwnerId(), proto.GetLocalPathId());
+    }
+
+    template <typename T>
+    static TString GetPath(const T& proto) {
+        if (proto.HasPath()) {
+            return proto.GetPath();
+        } else if (proto.HasPathId()) {
+            return ToString(PathIdFromProto(proto.GetPathId()));
+        }
+
+        return {};
+    }
+
+    const TJsonValue::TMapType& GetAttrs(const TActorId& actorId) const {
+        auto it = RegisteredActors.find(actorId);
+        Y_VERIFY(it != RegisteredActors.end());
+
+        return it->second.Attributes.GetMapSafe();
+    }
+
+    using TRenderer = std::function<void(IOutputStream&)>;
+
+    template <typename T, typename U>
+    static void Header(IOutputStream& str, const T& title, const U& subTitile) {
+        HTML(str) {
+            DIV_CLASS("page-header") {
+                H3() {
+                    str << title;
+                    if (subTitile) {
+                        SMALL() { str << " " << subTitile; }
+                    }
+                }
+            }
+        }
+    }
+
+    template <>
+    void Header(IOutputStream& str, const TString& activityType, const NActorsProto::TActorId& actorId) {
+        Header(str, activityType, ActorIdFromProto(actorId));
+    }
+
+    static void Alert(IOutputStream& str, const TStringBuf text) {
+        HTML(str) {
+            DIV_CLASS("alert alert-warning") {
+                STRONG() {
+                    str << "Warning:";
+                }
+                str << " " << text << ".";
+            }
+        }
+    }
+
+    static void Panel(IOutputStream& str, TRenderer title, TRenderer body) {
+        HTML(str) {
+            DIV_CLASS("panel panel-default") {
+                DIV_CLASS("panel-heading") {
+                    H4_CLASS("panel-title") {
+                        title(str);
+                    }
+                }
+                body(str);
+            }
+        }
+    }
+
+    static void SimplePanel(IOutputStream& str, const TStringBuf title, TRenderer body) {
+        auto titleRenderer = [&title](IOutputStream& str) {
+            HTML(str) {
+                str << title;
+            }
+        };
+
+        auto bodyRenderer = [body = std::move(body)](IOutputStream& str) {
+            HTML(str) {
+                DIV_CLASS("panel-body") {
+                    body(str);
+                }
+            }
+        };
+
+        Panel(str, titleRenderer, bodyRenderer);
+    }
+
+    static void CollapsedPanel(IOutputStream& str, const TStringBuf title, const TStringBuf targetId, TRenderer body) {
+        auto titleRenderer = [&title, &targetId](IOutputStream& str) {
+            HTML(str) {
+                str << "<a data-toggle='collapse' href='#" << targetId << "'>"
+                    << title
+                << "</a>";
+            }
+        };
+
+        auto bodyRenderer = [&targetId, body = std::move(body)](IOutputStream& str) {
+            HTML(str) {
+                str << "<div id='" << targetId << "' class='collapse'>";
+                DIV_CLASS("panel-body") {
+                    body(str);
+                }
+                str << "</div>";
+            }
+        };
+
+        Panel(str, titleRenderer, bodyRenderer);
+    }
+
+    static ERequestType ConvertActivityType(EActivityType activityType) {
+        static THashMap<EActivityType, ERequestType> activityToRequest = {
+            {TActivity::SCHEME_BOARD_POPULATOR_ACTOR, ERequestType::Populator},
+            {TActivity::SCHEME_BOARD_REPLICA_POPULATOR_ACTOR, ERequestType::ReplicaPopulator},
+            {TActivity::SCHEME_BOARD_REPLICA_ACTOR, ERequestType::Replica},
+            {TActivity::SCHEME_BOARD_SUBSCRIBER_ACTOR, ERequestType::Subscriber},
+            {TActivity::SCHEME_BOARD_SUBSCRIBER_PROXY_ACTOR, ERequestType::SubscriberProxy},
+            {TActivity::SCHEME_BOARD_REPLICA_SUBSCRIBER_ACTOR, ERequestType::ReplicaSubscriber},
+            {TActivity::PROXY_SCHEME_CACHE, ERequestType::Cache},
+        };
+
+        return activityToRequest.Value(activityType, ERequestType::Unknown);
+    }
+
+    static TString ActorIdToStringSafe(const TActorId& actorId) {
+        return TStringBuilder() << actorId.RawX1() << ":" << actorId.RawX2();
+    }
+
+    template <typename T>
+    static void Link(IOutputStream& str, const TStringBuf path, const T& title) {
+        HTML(str) {
+            HREF(path) {
+                str << title;
+            }
+        }
+    }
+
+    static void Link(IOutputStream& str, ERequestType requestType, const TStringBuf title, const TStringBuf prefix = "..") {
+        Link(str, MakeLink(requestType, prefix), title);
+    }
+
+    static void Link(IOutputStream& str, EActivityType activityType, const TActorId& actorId, const TStringBuf prefix = "..") {
+        const TString path = TStringBuilder()
+            << MakeLink(ConvertActivityType(activityType), prefix)
+            << "/" << ActorIdToStringSafe(actorId);
+        Link(str, path, actorId);
+    }
+
+    static void Link(IOutputStream& str, EActivityType activityType, const NActorsProto::TActorId& actorId, const TStringBuf prefix = "..") {
+        Link(str, activityType, ActorIdFromProto(actorId), prefix);
+    }
+
+    template <typename T>
+    static void TermDesc(IOutputStream& str, const TStringBuf term, const T& desc) {
+        HTML(str) {
+            DT() { str << term; }
+            DD() { str << desc; }
+        }
+    }
+
+    template <typename T>
+    static void TermDescLink(IOutputStream& str, const TStringBuf term, EActivityType activityType, const T& actorId) {
+        HTML(str) {
+            DT() { str << term; }
+            DD() { Link(str, activityType, actorId); }
+        }
+    }
+
+    enum EFormType : ui8 {
+        ByPath = 1 << 0,
+        ByPathId = 1 << 1,
+        Both = ByPath | ByPathId,
+    };
+
+    static void Form(IOutputStream& str, EFormType formType, ERequestType linkType, const TStringBuf linkPrefix, const TActorId& actorId) {
+        HTML(str) {
+            FORM_CLASS("form-horizontal") {
+                const auto action = MakeLink(linkType, linkPrefix);
+
+                if (formType & EFormType::ByPath) {
+                    DIV_CLASS("form-group") {
+                        LABEL_CLASS_FOR("col-sm-2 control-label", "path") {
+                            str << "Path";
+                        }
+                        DIV_CLASS("col-sm-8") {
+                            str << "<input type='text' id='path' name='path' class='form-control' placeholder='/full/path'>";
+                        }
+                        DIV_CLASS("col-sm-2") {
+                            str << "<button type='submit' name='byPath' formaction='" << action << "' class='btn btn-primary'>"
+                                << "Find by path"
+                            << "</button>";
+                        }
+                    }
+                }
+
+                if (formType & EFormType::ByPathId) {
+                    DIV_CLASS("form-group") {
+                        LABEL_CLASS_FOR("col-sm-2 control-label", "pathId") {
+                            str << "PathId";
+                        }
+                        DIV_CLASS("col-sm-4") {
+                            str << "<input type='number' id='ownerId' name='ownerId' class='form-control' placeholder='owner id'>";
+                        }
+                        DIV_CLASS("col-sm-4") {
+                            str << "<input type='number' id='pathId' name='pathId' class='form-control' placeholder='local path id'>";
+                        }
+                        DIV_CLASS("col-sm-2") {
+                            str << "<button type='submit' name='byPathId' formaction='" << action << "' class='btn btn-info'>"
+                                << "Find by path id"
+                            << "</button>";
+                        }
+                    }
+                }
+
+                if (actorId) {
+                    str << "<input type='hidden' name='actorId' value='" << ActorIdToStringSafe(actorId) << "'>";
+                }
+
+                str << "<pre id='description' class='hidden'/>";
+
+                str << R"(<script>
+                $(document).ready(function() {
+                    $('button').click(function(e) {
+                        e.preventDefault();
+
+                        var btn = this;
+                        var form = $('form');
+
+                        $.ajax({
+                            type: "GET",
+                            url: btn.formAction,
+                            data: Object.assign({[btn.name]: 1}, form.serializeArray().reduce(function(obj, cur, _) {
+                                obj[cur.name] = cur.value;
+                                return obj;
+                            }, {})),
+                            success: function(data) {
+                                $('#description').text(JSON.stringify(data, null, ' ')).removeClass('hidden');
+                            },
+                            error: function (data) {
+                                $('#description').text("Error: " + data).removeClass('hidden');
+                            },
+                        });
+                    });
+                });
+                </script>)";
+            }
+        }
+    }
+
+    static void ResolveForm(IOutputStream& str) {
+        Form(str, EFormType::Both, ERequestType::Resolve, "", {});
+    }
+
+    static void DescribeForm(IOutputStream& str, const TActorId& actorId, EFormType type = EFormType::Both) {
+        Form(str, type, ERequestType::Describe, "..", actorId);
+    }
+
+    static void Navbar(IOutputStream& str, ERequestType originRequestType) {
+        static THashMap<ERequestType, TStringBuf> requestTypeToTitle = {
+            {ERequestType::Index, "Main"},
+            {ERequestType::Resolver, "Resolver"},
+        };
+
+        const bool isIndex = originRequestType == ERequestType::Index;
+
+        HTML(str) {
+            TAG_CLASS(TNav, "navbar") {
+                UL_CLASS("nav nav-pills") {
+                    for (const auto& [rt, title] : requestTypeToTitle) {
+                        if (rt == originRequestType) {
+                            LI_CLASS("active") { Link(str, "#", title); }
+                        } else {
+                            LI() { Link(str, rt, title, isIndex ? ROOT : ".."); }
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    TString RenderIndex() const {
+        TStringStream str;
+
+        HTML(str) {
+            Navbar(str, ERequestType::Index);
+
+            for (const auto& kv : ByActivityType) {
+                const auto& activityType = kv.first;
+                const auto& actorIds = kv.second;
+                const auto activityTypeStr = TActivity::EType_Name(activityType);
+
+                CollapsedPanel(str, activityTypeStr, activityTypeStr, [&](IOutputStream& str) {
+                    HTML(str) {
+                        TABLE_CLASS("table table-hover") {
+                            TABLEHEAD() {
+                                TABLER() {
+                                    TABLEH() { str << "#"; }
+                                    TABLEH() { str << "Actor"; }
+
+                                    Y_VERIFY(!actorIds.empty());
+                                    for (const auto& [key, _] : GetAttrs(*actorIds.begin())) {
+                                        TABLEH() { str << key; }
+                                    }
+                                }
+                            }
+                            TABLEBODY() {
+                                int i = 1;
+                                for (const auto& actorId : actorIds) {
+                                    TABLER() {
+                                        TABLED() { str << i++; }
+                                        TABLED() { Link(str, activityType, actorId, ROOT); }
+
+                                        for (const auto& [_, value] : GetAttrs(actorId)) {
+                                            switch (ParseAttributeType(value)) {
+                                            case EAttributeType::Pod:
+                                                TABLED() { str << value; }
+                                                break;
+
+                                            case EAttributeType::String:
+                                                TABLED() { str << value.GetStringSafe(); }
+                                                break;
+
+                                            case EAttributeType::ActorId: {
+                                                const auto kv = ParseActorId(value.GetMapSafe());
+                                                TABLED() { Link(str, kv.first, kv.second, ROOT); }
+                                                break;
+                                            }
+
+                                            case EAttributeType::Unknown:
+                                                break;
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                });
+            }
+        }
+
+        return str.Str();
+    }
+
+    static TString RenderResolver(const TList<TActorId>& replicas) {
+        TStringStream str;
+
+        HTML(str) {
+            Navbar(str, ERequestType::Resolver);
+            Header(str, "Replica resolver", "");
+
+            SimplePanel(str, "Resolver", [](IOutputStream& str) {
+                ResolveForm(str);
+            });
+
+            CollapsedPanel(str, "All replicas", "allReplicas", [&replicas](IOutputStream& str) {
+                HTML(str) {
+                    TABLE_CLASS("table table-hover") {
+                        TABLEHEAD() {
+                            TABLER() {
+                                TABLEH() { str << "#"; }
+                                TABLEH() { str << "Actor"; }
+                            }
+                        }
+                        TABLEBODY() {
+                            ui32 i = 0;
+                            for (const auto& replica : replicas) {
+                                TABLER() {
+                                    TABLED() { str << ++i; }
+                                    TABLED() { Link(str, TActivity::SCHEME_BOARD_REPLICA_ACTOR, replica, ""); }
+                                }
+                            }
+                        }
+                    }
+                }
+            });
+        }
+
+        return str.Str();
+    }
+
+    static TString RenderReplica(const NKikimrSchemeBoardMon::TEvInfoResponse& record) {
+        Y_VERIFY(record.GetResponseCase() == NKikimrSchemeBoardMon::TEvInfoResponse::kReplicaResponse);
+        const auto& response = record.GetReplicaResponse();
+
+        TStringStream str;
+
+        HTML(str) {
+            Header(str, record.GetActivityType(), record.GetSelf());
+            if (record.GetTruncated()) {
+                Alert(str, "some lists has been truncated");
+            }
+
+            SimplePanel(str, "Descriptions", [&record](IOutputStream& str) {
+                const auto& response = record.GetReplicaResponse();
+
+                HTML(str) {
+                    DL_CLASS("dl-horizontal") {
+                        TermDesc(str, "TotalCount", response.GetDescriptions().GetTotalCount());
+                        TermDesc(str, "ByPathCount", response.GetDescriptions().GetByPathCount());
+                        TermDesc(str, "ByPathIdCount", response.GetDescriptions().GetByPathIdCount());
+                    }
+
+                    DescribeForm(str, ActorIdFromProto(record.GetSelf()));
+                }
+            });
+
+            CollapsedPanel(str, "Populators", "populators", [&response](IOutputStream& str) {
+                HTML(str) {
+                    TABLE_CLASS("table table-hover") {
+                        TABLEHEAD() {
+                            TABLER() {
+                                TABLEH() { str << "#"; }
+                                TABLEH() { str << "Actor"; }
+                                TABLEH() { str << "Owner"; }
+                                TABLEH() { str << "Generation"; }
+                                TABLEH() { str << "PendingGeneration"; }
+                            }
+                        }
+                        TABLEBODY() {
+                            for (ui32 i = 0; i < response.PopulatorsSize(); ++i) {
+                                const auto& populator = response.GetPopulators(i);
+
+                                TABLER() {
+                                    TABLED() { str << (i + 1); }
+                                    TABLED() { Link(str, TActivity::SCHEME_BOARD_REPLICA_POPULATOR_ACTOR, populator.GetActorId()); }
+                                    TABLED() { str << populator.GetOwner(); }
+                                    TABLED() { str << populator.GetGeneration(); }
+                                    TABLED() { str << populator.GetPendingGeneration(); }
+                                }
+                            }
+                        }
+                    }
+                }
+            });
+
+            CollapsedPanel(str, "Subscribers", "subscribers", [&response](IOutputStream& str) {
+                HTML(str) {
+                    TABLE_CLASS("table table-hover") {
+                        TABLEHEAD() {
+                            TABLER() {
+                                TABLEH() { str << "#"; }
+                                TABLEH() { str << "Actor"; }
+                                TABLEH() { str << "Path"; }
+                            }
+                        }
+                        TABLEBODY() {
+                            for (ui32 i = 0; i < response.SubscribersSize(); ++i) {
+                                const auto& subscriber = response.GetSubscribers(i);
+
+                                TABLER() {
+                                    TABLED() { str << (i + 1); }
+                                    TABLED() { Link(str, TActivity::SCHEME_BOARD_REPLICA_SUBSCRIBER_ACTOR, subscriber.GetActorId()); }
+                                    TABLED() { str << GetPath(subscriber); }
+                                }
+                            }
+                        }
+                    }
+                }
+            });
+        }
+
+        return str.Str();
+    }
+
+    static TString RenderPopulator(const NKikimrSchemeBoardMon::TEvInfoResponse& record) {
+        Y_VERIFY(record.GetResponseCase() == NKikimrSchemeBoardMon::TEvInfoResponse::kPopulatorResponse);
+        const auto& response = record.GetPopulatorResponse();
+
+        TStringStream str;
+
+        HTML(str) {
+            Header(str, record.GetActivityType(), record.GetSelf());
+            if (record.GetTruncated()) {
+                Alert(str, "some lists has been truncated");
+            }
+
+            SimplePanel(str, "Info", [&record](IOutputStream& str) {
+                const auto& response = record.GetPopulatorResponse();
+
+                HTML(str) {
+                    DL_CLASS("dl-horizontal") {
+                        TermDesc(str, "Owner", response.GetOwner());
+                        TermDesc(str, "Generation", response.GetGeneration());
+                        TermDesc(str, "DescriptionsCount", response.GetDescriptionsCount());
+                        TermDesc(str, "MaxPathId", PathIdFromProto(response.GetMaxPathId()));
+                        TermDesc(str, "DelayedUpdatesCount", response.GetDelayedUpdatesCount());
+                    }
+
+                    DescribeForm(str, ActorIdFromProto(record.GetSelf()), EFormType::ByPathId);
+                }
+            });
+
+            CollapsedPanel(str, "ReplicaPopulators", "replicaPopulators", [&response](IOutputStream& str) {
+                HTML(str) {
+                    TABLE_CLASS("table table-hover") {
+                        TABLEHEAD() {
+                            TABLER() {
+                                TABLEH() { str << "#"; }
+                                TABLEH() { str << "Actor"; }
+                            }
+                        }
+                        TABLEBODY() {
+                            for (ui32 i = 0; i < response.ReplicaPopulatorsSize(); ++i) {
+                                const auto& replicaPopulator = response.GetReplicaPopulators(i);
+
+                                TABLER() {
+                                    TABLED() { str << (i + 1); }
+                                    TABLED() { Link(str, TActivity::SCHEME_BOARD_REPLICA_POPULATOR_ACTOR, replicaPopulator); }
+                                }
+                            }
+                        }
+                    }
+                }
+            });
+
+            CollapsedPanel(str, "UpdateAcks", "updateAcks", [&response](IOutputStream& str) {
+                HTML(str) {
+                    TABLE_CLASS("table table-hover") {
+                        TABLEHEAD() {
+                            TABLER() {
+                                TABLEH() { str << "#"; }
+                                TABLEH() { str << "Cookie"; }
+                                TABLEH() { str << "AckTo"; }
+                                TABLEH() { str << "PathId / Version / AcksCount"; }
+                            }
+                        }
+                        TABLEBODY() {
+                            for (ui32 i = 0; i < response.UpdateAcksSize(); ++i) {
+                                const auto& updateAck = response.GetUpdateAcks(i);
+
+                                TABLER() {
+                                    TABLED() { str << (i + 1); }
+                                    TABLED() { str << updateAck.GetCookie(); }
+                                    TABLED() { str << ActorIdFromProto(updateAck.GetAckTo()); }
+                                    TABLED() {
+                                        TABLE_CLASS("table table-condensed") {
+                                            TABLEBODY() {
+                                                for (ui32 i = 0; i < updateAck.PathAcksSize(); ++i) {
+                                                    const auto& pathAck = updateAck.GetPathAcks(i);
+
+                                                    TABLER() {
+                                                        TABLED() { str << PathIdFromProto(pathAck.GetPathId()); }
+                                                        TABLED() { str << pathAck.GetVersion(); }
+                                                        TABLED() { str << pathAck.GetAcksCount(); }
+                                                    }
+                                                }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            });
+        }
+
+        return str.Str();
+    }
+
+    static TString RenderReplicaPopulator(const NKikimrSchemeBoardMon::TEvInfoResponse& record) {
+        Y_VERIFY(record.GetResponseCase() == NKikimrSchemeBoardMon::TEvInfoResponse::kReplicaPopulatorResponse);
+        const auto& response = record.GetReplicaPopulatorResponse();
+
+        TStringStream str;
+
+        HTML(str) {
+            Header(str, record.GetActivityType(), record.GetSelf());
+            if (record.GetTruncated()) {
+                Alert(str, "some lists has been truncated");
+            }
+
+            SimplePanel(str, "Info", [&response](IOutputStream& str) {
+                HTML(str) {
+                    DL_CLASS("dl-horizontal") {
+                        TermDescLink(str, "Parent", TActivity::SCHEME_BOARD_POPULATOR_ACTOR, response.GetParent());
+                        TermDescLink(str, "Replica", TActivity::SCHEME_BOARD_REPLICA_ACTOR, response.GetReplica());
+                        TermDesc(str, "Owner", response.GetOwner());
+                        TermDesc(str, "Generation", response.GetGeneration());
+                        TermDesc(str, "CurPathId", PathIdFromProto(response.GetCurPathId()));
+                        TermDesc(str, "LastAckedPathId", PathIdFromProto(response.GetLastAckedPathId()));
+                        TermDesc(str, "BatchSize", response.GetBatchSize());
+                        TermDesc(str, "BatchSizeLimit", response.GetBatchSizeLimit());
+                    }
+                }
+            });
+
+            auto renderUpdates = [&str](const TStringBuf title, const TStringBuf targetId, const auto& updates) {
+                CollapsedPanel(str, title, targetId, [&updates](IOutputStream& str) {
+                    HTML(str) {
+                        TABLE_CLASS("table table-hover") {
+                            TABLEHEAD() {
+                                TABLER() {
+                                    TABLEH() { str << "#"; }
+                                    TABLEH() { str << "PathId"; }
+                                    TABLEH() { str << "Version / TxIds"; }
+                                }
+                            }
+                            TABLEBODY() {
+                                for (int i = 0; i < updates.size(); ++i) {
+                                    const auto& update = updates[i];
+
+                                    TABLER() {
+                                        TABLED() { str << (i + 1); }
+                                        TABLED() { str << PathIdFromProto(update.GetPathId()); }
+                                        TABLED() {
+                                            TABLE_CLASS("table table-condensed") {
+                                                TABLEBODY() {
+                                                    for (ui32 i = 0; i < update.VersionsSize(); ++i) {
+                                                        const auto& version = update.GetVersions(i);
+
+                                                        TABLER() {
+                                                            TABLED() { str << version.GetVersion(); }
+                                                            TABLED() { str << JoinSeq(", ", version.GetTxIds()); }
+                                                        }
+                                                    }
+                                                }
+                                            }
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                });
+            };
+
+            renderUpdates("Updates", "updates", response.GetUpdates());
+            renderUpdates("UpdatesRequested", "updatesRequested", response.GetUpdatesRequested());
+            renderUpdates("UpdatesInFlight", "updatesInFlight", response.GetUpdatesInFlight());
+        }
+
+        return str.Str();
+    }
+
+    static TString RenderSubscriber(const NKikimrSchemeBoardMon::TEvInfoResponse& record) {
+        Y_VERIFY(record.GetResponseCase() == NKikimrSchemeBoardMon::TEvInfoResponse::kSubscriberResponse);
+        const auto& response = record.GetSubscriberResponse();
+
+        TStringStream str;
+
+        HTML(str) {
+            Header(str, record.GetActivityType(), record.GetSelf());
+
+            SimplePanel(str, "Info", [&response](IOutputStream& str) {
+                HTML(str) {
+                    DL_CLASS("dl-horizontal") {
+                        TermDesc(str, "Owner", ActorIdFromProto(response.GetOwner()));
+                        TermDesc(str, "DomainOwnerId", response.GetDomainOwnerId());
+                        TermDesc(str, "DelayedSyncRequest", response.GetDelayedSyncRequest());
+                        TermDesc(str, "CurrentSyncRequest", response.GetCurrentSyncRequest());
+                        TermDesc(str, "Path", GetPath(response));
+                    }
+                }
+            });
+
+            CollapsedPanel(str, "State", "state", [&response](IOutputStream& str) {
+                HTML(str) {
+                    DL_CLASS("dl-horizontal") {
+                        TermDesc(str, "Deleted", response.GetState().GetDeleted());
+                        TermDesc(str, "Strong", response.GetState().GetStrong());
+                        TermDesc(str, "PathId", PathIdFromProto(response.GetState().GetPathId()));
+                        TermDesc(str, "Version", response.GetState().GetVersion());
+                        TermDesc(str, "DomainId", PathIdFromProto(response.GetState().GetDomainId()));
+                        TermDesc(str, "AbandonedSchemeShards", JoinSeq(", ", response.GetState().GetAbandonedSchemeShards()));
+                    }
+                }
+            });
+
+            CollapsedPanel(str, "ProxyStates", "proxyStates", [&response](IOutputStream& str) {
+                HTML(str) {
+                    TABLE_CLASS("table table-hover") {
+                        TABLEHEAD() {
+                            TABLER() {
+                                TABLEH() { str << "#"; }
+                                TABLEH() { str << "Actor"; }
+                                TABLEH() { str << "Deleted"; }
+                                TABLEH() { str << "Strong"; }
+                                TABLEH() { str << "PathId"; }
+                                TABLEH() { str << "Version"; }
+                                TABLEH() { str << "DomainId"; }
+                                TABLEH() { str << "AbandonedSchemeShards"; }
+                            }
+                        }
+                        TABLEBODY() {
+                            for (ui32 i = 0; i < response.ProxyStatesSize(); ++i) {
+                                const auto& proxy = response.GetProxyStates(i);
+                                const auto& state = proxy.GetState();
+
+                                TABLER() {
+                                    TABLED() { str << (i + 1); }
+                                    TABLED() { Link(str, TActivity::SCHEME_BOARD_SUBSCRIBER_PROXY_ACTOR, proxy.GetProxy()); }
+                                    TABLED() { str << state.GetDeleted(); }
+                                    TABLED() { str << state.GetStrong(); }
+                                    TABLED() { str << PathIdFromProto(state.GetPathId()); }
+                                    TABLED() { str << state.GetVersion(); }
+                                    TABLED() { str << PathIdFromProto(state.GetDomainId()); }
+                                    TABLED() { str << JoinSeq(", ", state.GetAbandonedSchemeShards()); }
+                                }
+                            }
+                        }
+                    }
+                }
+            });
+        }
+
+        return str.Str();
+    }
+
+    static TString RenderSubscriberProxy(const NKikimrSchemeBoardMon::TEvInfoResponse& record) {
+        Y_VERIFY(record.GetResponseCase() == NKikimrSchemeBoardMon::TEvInfoResponse::kSubscriberProxyResponse);
+        const auto& response = record.GetSubscriberProxyResponse();
+
+        TStringStream str;
+
+        HTML(str) {
+            Header(str, record.GetActivityType(), record.GetSelf());
+
+            SimplePanel(str, "Info", [&response](IOutputStream& str) {
+                HTML(str) {
+                    DL_CLASS("dl-horizontal") {
+                        TermDescLink(str, "Parent", TActivity::SCHEME_BOARD_SUBSCRIBER_ACTOR, response.GetParent());
+                        TermDescLink(str, "Replica", TActivity::SCHEME_BOARD_REPLICA_ACTOR, response.GetReplica());
+                        TermDescLink(str, "ReplicaSubscriber", TActivity::SCHEME_BOARD_REPLICA_SUBSCRIBER_ACTOR, response.GetReplicaSubscriber());
+                        TermDesc(str, "DomainOwnerId", response.GetDomainOwnerId());
+                        TermDesc(str, "CurrentSyncRequest", response.GetCurrentSyncRequest());
+                        TermDesc(str, "Path", GetPath(response));
+                    }
+                }
+            });
+        }
+
+        return str.Str();
+    }
+
+    static TString RenderReplicaSubscriber(const NKikimrSchemeBoardMon::TEvInfoResponse& record) {
+        Y_VERIFY(record.GetResponseCase() == NKikimrSchemeBoardMon::TEvInfoResponse::kReplicaSubscriberResponse);
+        const auto& response = record.GetReplicaSubscriberResponse();
+
+        TStringStream str;
+
+        HTML(str) {
+            Header(str, record.GetActivityType(), record.GetSelf());
+
+            SimplePanel(str, "Info", [&response](IOutputStream& str) {
+                HTML(str) {
+                    DL_CLASS("dl-horizontal") {
+                        TermDescLink(str, "Parent", TActivity::SCHEME_BOARD_SUBSCRIBER_PROXY_ACTOR, response.GetParent());
+                        TermDescLink(str, "Replica", TActivity::SCHEME_BOARD_REPLICA_ACTOR, response.GetReplica());
+                        TermDesc(str, "DomainOwnerId", response.GetDomainOwnerId());
+                        TermDesc(str, "CurrentSyncRequest", response.GetCurrentSyncRequest());
+                        TermDesc(str, "Path", GetPath(response));
+                    }
+                }
+            });
+        }
+
+        return str.Str();
+    }
+
+    static TString RenderCache(const NKikimrSchemeBoardMon::TEvInfoResponse& record) {
+        Y_VERIFY(record.GetResponseCase() == NKikimrSchemeBoardMon::TEvInfoResponse::kCacheResponse);
+
+        TStringStream str;
+
+        HTML(str) {
+            Header(str, record.GetActivityType(), record.GetSelf());
+
+            SimplePanel(str, "Descriptions", [&record](IOutputStream& str) {
+                const auto& response = record.GetCacheResponse();
+
+                HTML(str) {
+                    DL_CLASS("dl-horizontal") {
+                        TermDesc(str, "TotalCount", response.GetItemsTotalCount());
+                        TermDesc(str, "ByPathCount", response.GetItemsByPathCount());
+                        TermDesc(str, "ByPathIdCount", response.GetItemsByPathIdCount());
+                    }
+
+                    DescribeForm(str, ActorIdFromProto(record.GetSelf()));
+                }
+            });
+        }
+
+        return str.Str();
+    }
+
+    static TActorId MakeStateStorageProxyId() {
+        const auto& domains = AppData()->DomainsInfo->Domains;
+        Y_VERIFY(domains.size() <= 1);
+
+        for (const auto& domain : domains) {
+            return NKikimr::MakeStateStorageProxyID(domain.second->DefaultSchemeBoardGroup);
+        }
+
+        Y_FAIL("unreachable");
+    }
+
+    template <typename TDerived, typename TEvResponse>
+    class TBaseRequester: public TActorBootstrapped<TDerived> {
+        static constexpr char HTTPBADGATEWAY[] = "HTTP/1.1 502 Bad Gateway\r\nConnection: Close\r\n\r\nBad Gateway\r\n";
+        static constexpr char HTTPUNAVAILABLE[] = "HTTP/1.1 503 Service Unavailable\r\nConnection: Close\r\n\r\nService Unavailable\r\n";
+        static constexpr char HTTPTIMEOUT[] = "HTTP/1.1 504 Gateway Timeout\r\nConnection: Close\r\n\r\nGateway Timeout\r\n";
+
+    protected:
+        virtual IEventBase* MakeRequest() const = 0;
+        virtual void ProcessResponse(typename TEvResponse::TPtr& ev) = 0;
+
+        void Handle(typename TEvResponse::TPtr& ev) {
+            ProcessResponse(ev);
+        }
+
+        void Reply(const TString& content, EContentType type = EContentType::Html) {
+            this->Send(ReplyTo, new NMon::TEvHttpInfoRes(content, 0, type));
+            this->PassAway();
+        }
+
+        void BadGateway() {
+            Reply(HTTPBADGATEWAY, EContentType::Custom);
+        }
+
+        void Timeout() {
+            Reply(HTTPTIMEOUT, EContentType::Custom);
+        }
+
+        void Unavailable() {
+            Reply(HTTPUNAVAILABLE, EContentType::Custom);
+        }
+
+    public:
         static constexpr auto ActorActivityType() {
-            return TActivity::SCHEME_BOARD_INFO_REQUESTER_ACTOR; 
-        } 
- 
-        explicit TBaseRequester(const TActorId& requestFrom, const TActorId& replyTo) 
-            : RequestFrom(requestFrom) 
-            , ReplyTo(replyTo) 
-        { 
-        } 
- 
-        void Bootstrap() { 
-            this->Send(RequestFrom, MakeRequest(), IEventHandle::FlagTrackDelivery); 
-            this->Become(&TDerived::StateWork, TDuration::Seconds(10), new TEvents::TEvWakeup()); 
-        } 
- 
-        STATEFN(StateWork) { 
-            switch (ev->GetTypeRewrite()) { 
-                hFunc(TEvResponse, Handle); 
-                cFunc(TEvents::TEvWakeup::EventType, Timeout); 
-                cFunc(TEvents::TEvUndelivered::EventType, Unavailable); 
-            } 
-        } 
- 
-        using TBase = TBaseRequester<TDerived, TEvResponse>; 
- 
-    private: 
-        const TActorId RequestFrom; 
-        const TActorId ReplyTo; 
- 
-    }; // TBaseRequester 
- 
-    class TReplicaEnumerator: public TBaseRequester<TReplicaEnumerator, TEvStateStorage::TEvListSchemeBoardResult> { 
-        IEventBase* MakeRequest() const override { 
-            return new TEvStateStorage::TEvListSchemeBoard(); 
-        } 
- 
-        void ProcessResponse(TEvStateStorage::TEvListSchemeBoardResult::TPtr& ev) override { 
-            const auto& info = ev->Get()->Info; 
-            if (!info) { 
-                return BadGateway(); 
-            } 
- 
-            return Reply(RenderResolver(info->SelectAllReplicas())); 
-        } 
- 
-    public: 
-        explicit TReplicaEnumerator(const TActorId& replyTo) 
-            : TBase(MakeStateStorageProxyId(), replyTo) 
-        { 
-        } 
- 
-    }; // TReplicaEnumerator 
- 
-    class TReplicaResolver: public TBaseRequester<TReplicaResolver, TEvStateStorage::TEvResolveReplicasList> { 
-        IEventBase* MakeRequest() const override { 
-            switch (Path.index()) { 
-            case 0: 
-                return new TEvStateStorage::TEvResolveSchemeBoard(std::get<TString>(Path)); 
-            case 1: 
-                return new TEvStateStorage::TEvResolveSchemeBoard(std::get<TPathId>(Path)); 
-            default: 
-                Y_FAIL("unreachable"); 
-            } 
-        } 
- 
-        void ProcessResponse(TEvStateStorage::TEvResolveReplicasList::TPtr& ev) override { 
-            TJsonValue json; 
- 
-            auto& replicas = json["replicas"]; 
-            replicas.SetType(JSON_ARRAY); 
- 
-            for (const auto& replica : ev->Get()->Replicas) { 
-                replicas.AppendValue(ToString(replica)); 
-            } 
- 
-            Reply(TStringBuilder() << NMonitoring::HTTPOKJSON << WriteJson(json), EContentType::Custom); 
-        } 
- 
-    public: 
-        template <typename T> 
-        explicit TReplicaResolver(const TActorId& requestFrom, const TActorId& replyTo, const T& path) 
-            : TBase(requestFrom, replyTo) 
-            , Path(path) 
-        { 
-        } 
- 
-    private: 
-        std::variant<TString, TPathId> Path; 
- 
-    }; // TReplicaResolver 
- 
-    class TInfoRequester: public TBaseRequester<TInfoRequester, TSchemeBoardMonEvents::TEvInfoResponse> { 
-        IEventBase* MakeRequest() const override { 
-            return new TSchemeBoardMonEvents::TEvInfoRequest(); 
-        } 
- 
-        void ProcessResponse(TSchemeBoardMonEvents::TEvInfoResponse::TPtr& ev) override { 
-            const auto& record = ev->Get()->Record; 
- 
-            switch (record.GetResponseCase()) { 
-            case NKikimrSchemeBoardMon::TEvInfoResponse::kReplicaResponse: 
-                return Reply(RenderReplica(record)); 
-            case NKikimrSchemeBoardMon::TEvInfoResponse::kPopulatorResponse: 
-                return Reply(RenderPopulator(record)); 
-            case NKikimrSchemeBoardMon::TEvInfoResponse::kReplicaPopulatorResponse: 
-                return Reply(RenderReplicaPopulator(record)); 
-            case NKikimrSchemeBoardMon::TEvInfoResponse::kSubscriberResponse: 
-                return Reply(RenderSubscriber(record)); 
-            case NKikimrSchemeBoardMon::TEvInfoResponse::kSubscriberProxyResponse: 
-                return Reply(RenderSubscriberProxy(record)); 
-            case NKikimrSchemeBoardMon::TEvInfoResponse::kReplicaSubscriberResponse: 
-                return Reply(RenderReplicaSubscriber(record)); 
-            case NKikimrSchemeBoardMon::TEvInfoResponse::kCacheResponse: 
-                return Reply(RenderCache(record)); 
-            default: 
-                return BadGateway(); 
-            } 
-        } 
- 
-    public: 
-        using TBase::TBase; 
- 
-    }; // TInfoRequester 
- 
-    class TDescriber: public TBaseRequester<TDescriber, TSchemeBoardMonEvents::TEvDescribeResponse> { 
-        IEventBase* MakeRequest() const override { 
-            switch (Path.index()) { 
-            case 0: 
+            return TActivity::SCHEME_BOARD_INFO_REQUESTER_ACTOR;
+        }
+
+        explicit TBaseRequester(const TActorId& requestFrom, const TActorId& replyTo)
+            : RequestFrom(requestFrom)
+            , ReplyTo(replyTo)
+        {
+        }
+
+        void Bootstrap() {
+            this->Send(RequestFrom, MakeRequest(), IEventHandle::FlagTrackDelivery);
+            this->Become(&TDerived::StateWork, TDuration::Seconds(10), new TEvents::TEvWakeup());
+        }
+
+        STATEFN(StateWork) {
+            switch (ev->GetTypeRewrite()) {
+                hFunc(TEvResponse, Handle);
+                cFunc(TEvents::TEvWakeup::EventType, Timeout);
+                cFunc(TEvents::TEvUndelivered::EventType, Unavailable);
+            }
+        }
+
+        using TBase = TBaseRequester<TDerived, TEvResponse>;
+
+    private:
+        const TActorId RequestFrom;
+        const TActorId ReplyTo;
+
+    }; // TBaseRequester
+
+    class TReplicaEnumerator: public TBaseRequester<TReplicaEnumerator, TEvStateStorage::TEvListSchemeBoardResult> {
+        IEventBase* MakeRequest() const override {
+            return new TEvStateStorage::TEvListSchemeBoard();
+        }
+
+        void ProcessResponse(TEvStateStorage::TEvListSchemeBoardResult::TPtr& ev) override {
+            const auto& info = ev->Get()->Info;
+            if (!info) {
+                return BadGateway();
+            }
+
+            return Reply(RenderResolver(info->SelectAllReplicas()));
+        }
+
+    public:
+        explicit TReplicaEnumerator(const TActorId& replyTo)
+            : TBase(MakeStateStorageProxyId(), replyTo)
+        {
+        }
+
+    }; // TReplicaEnumerator
+
+    class TReplicaResolver: public TBaseRequester<TReplicaResolver, TEvStateStorage::TEvResolveReplicasList> {
+        IEventBase* MakeRequest() const override {
+            switch (Path.index()) {
+            case 0:
+                return new TEvStateStorage::TEvResolveSchemeBoard(std::get<TString>(Path));
+            case 1:
+                return new TEvStateStorage::TEvResolveSchemeBoard(std::get<TPathId>(Path));
+            default:
+                Y_FAIL("unreachable");
+            }
+        }
+
+        void ProcessResponse(TEvStateStorage::TEvResolveReplicasList::TPtr& ev) override {
+            TJsonValue json;
+
+            auto& replicas = json["replicas"];
+            replicas.SetType(JSON_ARRAY);
+
+            for (const auto& replica : ev->Get()->Replicas) {
+                replicas.AppendValue(ToString(replica));
+            }
+
+            Reply(TStringBuilder() << NMonitoring::HTTPOKJSON << WriteJson(json), EContentType::Custom);
+        }
+
+    public:
+        template <typename T>
+        explicit TReplicaResolver(const TActorId& requestFrom, const TActorId& replyTo, const T& path)
+            : TBase(requestFrom, replyTo)
+            , Path(path)
+        {
+        }
+
+    private:
+        std::variant<TString, TPathId> Path;
+
+    }; // TReplicaResolver
+
+    class TInfoRequester: public TBaseRequester<TInfoRequester, TSchemeBoardMonEvents::TEvInfoResponse> {
+        IEventBase* MakeRequest() const override {
+            return new TSchemeBoardMonEvents::TEvInfoRequest();
+        }
+
+        void ProcessResponse(TSchemeBoardMonEvents::TEvInfoResponse::TPtr& ev) override {
+            const auto& record = ev->Get()->Record;
+
+            switch (record.GetResponseCase()) {
+            case NKikimrSchemeBoardMon::TEvInfoResponse::kReplicaResponse:
+                return Reply(RenderReplica(record));
+            case NKikimrSchemeBoardMon::TEvInfoResponse::kPopulatorResponse:
+                return Reply(RenderPopulator(record));
+            case NKikimrSchemeBoardMon::TEvInfoResponse::kReplicaPopulatorResponse:
+                return Reply(RenderReplicaPopulator(record));
+            case NKikimrSchemeBoardMon::TEvInfoResponse::kSubscriberResponse:
+                return Reply(RenderSubscriber(record));
+            case NKikimrSchemeBoardMon::TEvInfoResponse::kSubscriberProxyResponse:
+                return Reply(RenderSubscriberProxy(record));
+            case NKikimrSchemeBoardMon::TEvInfoResponse::kReplicaSubscriberResponse:
+                return Reply(RenderReplicaSubscriber(record));
+            case NKikimrSchemeBoardMon::TEvInfoResponse::kCacheResponse:
+                return Reply(RenderCache(record));
+            default:
+                return BadGateway();
+            }
+        }
+
+    public:
+        using TBase::TBase;
+
+    }; // TInfoRequester
+
+    class TDescriber: public TBaseRequester<TDescriber, TSchemeBoardMonEvents::TEvDescribeResponse> {
+        IEventBase* MakeRequest() const override {
+            switch (Path.index()) {
+            case 0:
                 return new TSchemeBoardMonEvents::TEvDescribeRequest(std::get<TString>(Path));
-            case 1: 
+            case 1:
                 return new TSchemeBoardMonEvents::TEvDescribeRequest(std::get<TPathId>(Path));
-            default: 
-                Y_FAIL("unreachable"); 
-            } 
-        } 
- 
-        void ProcessResponse(TSchemeBoardMonEvents::TEvDescribeResponse::TPtr& ev) override { 
-            const auto& record = ev->Get()->Record; 
-            Reply(TStringBuilder() << NMonitoring::HTTPOKJSON << record.GetJson(), EContentType::Custom); 
-        } 
- 
-    public: 
-        template <typename T> 
-        explicit TDescriber(const TActorId& requestFrom, const TActorId& replyTo, const T& path) 
-            : TBase(requestFrom, replyTo) 
-            , Path(path) 
-        { 
-        } 
- 
-    private: 
+            default:
+                Y_FAIL("unreachable");
+            }
+        }
+
+        void ProcessResponse(TSchemeBoardMonEvents::TEvDescribeResponse::TPtr& ev) override {
+            const auto& record = ev->Get()->Record;
+            Reply(TStringBuilder() << NMonitoring::HTTPOKJSON << record.GetJson(), EContentType::Custom);
+        }
+
+    public:
+        template <typename T>
+        explicit TDescriber(const TActorId& requestFrom, const TActorId& replyTo, const T& path)
+            : TBase(requestFrom, replyTo)
+            , Path(path)
+        {
+        }
+
+    private:
         std::variant<TString, TPathId> Path;
- 
-    }; // TDescriber 
- 
-    template <typename TActionActor> 
-    bool RunFormAction(const TActorId& requestFrom, const TActorId& replyTo, const TCgiParameters& params) { 
-        if (params.Has("byPath")) { 
-            Register(new TActionActor(requestFrom, replyTo, params.Get("path"))); 
-            return true; 
-        } else if (params.Has("byPathId")) { 
-            ui64 oid; 
-            ui64 lpid; 
-            if (TryFromString(params.Get("ownerId"), oid) && TryFromString(params.Get("pathId"), lpid)) { 
-                Register(new TActionActor(requestFrom, replyTo, TPathId(oid, lpid))); 
-                return true; 
-            } 
-        } 
- 
-        return false; 
-    } 
- 
-    void Handle(NMon::TEvHttpInfo::TPtr& ev) { 
-        const auto& request = ev->Get()->Request; 
-        const auto& params = request.GetParams(); 
- 
-        switch (ParseRequestType(request.GetPathInfo())) { 
-        case ERequestType::Index: 
-            return (void)Send(ev->Sender, new NMon::TEvHttpInfoRes(RenderIndex())); 
- 
-        case ERequestType::Populator: 
-        case ERequestType::ReplicaPopulator: 
-        case ERequestType::Replica: 
-        case ERequestType::Subscriber: 
-        case ERequestType::SubscriberProxy: 
-        case ERequestType::ReplicaSubscriber: 
-        case ERequestType::Cache: 
-            if (const auto actorId = ParseActorIdFromPath(request.GetPathInfo())) { 
-                return (void)Register(new TInfoRequester(actorId, ev->Sender)); 
-            } 
-            break; 
- 
-        case ERequestType::Describe: 
-            if (const auto actorId = ParseActorId(TStringBuf(params.Get("actorId")))) { 
-                if (RunFormAction<TDescriber>(actorId, ev->Sender, params)) { 
-                    return; 
-                } 
-            } 
-            break; 
- 
-        case ERequestType::Resolver: 
-            return (void)Register(new TReplicaEnumerator(ev->Sender)); 
- 
-        case ERequestType::Resolve: 
-            if (RunFormAction<TReplicaResolver>(MakeStateStorageProxyId(), ev->Sender, params)) { 
-                return; 
-            } 
-            break; 
- 
-        case ERequestType::Unknown: 
-            break; 
-        } 
- 
-        Send(ev->Sender, new NMon::TEvHttpInfoRes(NMonitoring::HTTPNOTFOUND, 0, EContentType::Custom)); 
-    } 
- 
-public: 
+
+    }; // TDescriber
+
+    template <typename TActionActor>
+    bool RunFormAction(const TActorId& requestFrom, const TActorId& replyTo, const TCgiParameters& params) {
+        if (params.Has("byPath")) {
+            Register(new TActionActor(requestFrom, replyTo, params.Get("path")));
+            return true;
+        } else if (params.Has("byPathId")) {
+            ui64 oid;
+            ui64 lpid;
+            if (TryFromString(params.Get("ownerId"), oid) && TryFromString(params.Get("pathId"), lpid)) {
+                Register(new TActionActor(requestFrom, replyTo, TPathId(oid, lpid)));
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    void Handle(NMon::TEvHttpInfo::TPtr& ev) {
+        const auto& request = ev->Get()->Request;
+        const auto& params = request.GetParams();
+
+        switch (ParseRequestType(request.GetPathInfo())) {
+        case ERequestType::Index:
+            return (void)Send(ev->Sender, new NMon::TEvHttpInfoRes(RenderIndex()));
+
+        case ERequestType::Populator:
+        case ERequestType::ReplicaPopulator:
+        case ERequestType::Replica:
+        case ERequestType::Subscriber:
+        case ERequestType::SubscriberProxy:
+        case ERequestType::ReplicaSubscriber:
+        case ERequestType::Cache:
+            if (const auto actorId = ParseActorIdFromPath(request.GetPathInfo())) {
+                return (void)Register(new TInfoRequester(actorId, ev->Sender));
+            }
+            break;
+
+        case ERequestType::Describe:
+            if (const auto actorId = ParseActorId(TStringBuf(params.Get("actorId")))) {
+                if (RunFormAction<TDescriber>(actorId, ev->Sender, params)) {
+                    return;
+                }
+            }
+            break;
+
+        case ERequestType::Resolver:
+            return (void)Register(new TReplicaEnumerator(ev->Sender));
+
+        case ERequestType::Resolve:
+            if (RunFormAction<TReplicaResolver>(MakeStateStorageProxyId(), ev->Sender, params)) {
+                return;
+            }
+            break;
+
+        case ERequestType::Unknown:
+            break;
+        }
+
+        Send(ev->Sender, new NMon::TEvHttpInfoRes(NMonitoring::HTTPNOTFOUND, 0, EContentType::Custom));
+    }
+
+public:
     static constexpr auto ActorActivityType() {
-        return TActivity::SCHEME_BOARD_MONITORING_ACTOR; 
-    } 
- 
-    void Bootstrap() { 
-        if (auto* mon = AppData()->Mon) { 
-            auto* actorsMonPage = mon->RegisterIndexPage("actors", "Actors"); 
-            mon->RegisterActorPage(actorsMonPage, ROOT, "Scheme Board", 
-                false, TlsActivationContext->ActorSystem(), SelfId()); 
-        } 
- 
-        Become(&TThis::StateWork); 
-    } 
- 
-    STATEFN(StateWork) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TSchemeBoardMonEvents::TEvRegister, Handle); 
-            hFunc(TSchemeBoardMonEvents::TEvUnregister, Handle); 
- 
-            hFunc(NMon::TEvHttpInfo, Handle); 
- 
-            cFunc(TEvents::TEvPoison::EventType, PassAway); 
-        } 
-    } 
- 
-private: 
-    THashMap<TActorId, TActorInfo> RegisteredActors; 
-    THashMap<EActivityType, THashSet<TActorId>> ByActivityType; 
- 
-}; // TMonitoring 
- 
-} // NSchemeBoard 
- 
-IActor* CreateSchemeBoardMonitoring() { 
-    return new NSchemeBoard::TMonitoring(); 
-} 
- 
-} // NKikimr 
+        return TActivity::SCHEME_BOARD_MONITORING_ACTOR;
+    }
+
+    void Bootstrap() {
+        if (auto* mon = AppData()->Mon) {
+            auto* actorsMonPage = mon->RegisterIndexPage("actors", "Actors");
+            mon->RegisterActorPage(actorsMonPage, ROOT, "Scheme Board",
+                false, TlsActivationContext->ActorSystem(), SelfId());
+        }
+
+        Become(&TThis::StateWork);
+    }
+
+    STATEFN(StateWork) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TSchemeBoardMonEvents::TEvRegister, Handle);
+            hFunc(TSchemeBoardMonEvents::TEvUnregister, Handle);
+
+            hFunc(NMon::TEvHttpInfo, Handle);
+
+            cFunc(TEvents::TEvPoison::EventType, PassAway);
+        }
+    }
+
+private:
+    THashMap<TActorId, TActorInfo> RegisteredActors;
+    THashMap<EActivityType, THashSet<TActorId>> ByActivityType;
+
+}; // TMonitoring
+
+} // NSchemeBoard
+
+IActor* CreateSchemeBoardMonitoring() {
+    return new NSchemeBoard::TMonitoring();
+}
+
+} // NKikimr
diff --git a/ydb/core/tx/scheme_board/monitoring.h b/ydb/core/tx/scheme_board/monitoring.h
index 9215472806..6bbd25885c 100644
--- a/ydb/core/tx/scheme_board/monitoring.h
+++ b/ydb/core/tx/scheme_board/monitoring.h
@@ -1,14 +1,14 @@
-#pragma once 
- 
-#include "defs.h" 
- 
-namespace NKikimr { 
- 
-inline TActorId MakeSchemeBoardMonitoringId() { 
-    char x[12] = { 's', 'b', 'm', 'o', 'n' }; 
-    return TActorId(0, TStringBuf(x, 12)); 
-} 
- 
-IActor* CreateSchemeBoardMonitoring(); 
- 
-} // NKikimr 
+#pragma once
+
+#include "defs.h"
+
+namespace NKikimr {
+
+inline TActorId MakeSchemeBoardMonitoringId() {
+    char x[12] = { 's', 'b', 'm', 'o', 'n' };
+    return TActorId(0, TStringBuf(x, 12));
+}
+
+IActor* CreateSchemeBoardMonitoring();
+
+} // NKikimr
diff --git a/ydb/core/tx/scheme_board/monitoring_ut.cpp b/ydb/core/tx/scheme_board/monitoring_ut.cpp
index 79d43ae9d7..733dbc0ddb 100644
--- a/ydb/core/tx/scheme_board/monitoring_ut.cpp
+++ b/ydb/core/tx/scheme_board/monitoring_ut.cpp
@@ -1,130 +1,130 @@
-#include "mon_events.h" 
-#include "monitoring.h" 
-#include "ut_helpers.h" 
- 
+#include "mon_events.h"
+#include "monitoring.h"
+#include "ut_helpers.h"
+
 #include <ydb/core/testlib/basics/appdata.h>
- 
-#include <library/cpp/actors/core/mon.h> 
-#include <library/cpp/testing/unittest/registar.h> 
- 
-#include <util/string/printf.h> 
- 
-namespace NKikimr { 
-namespace NSchemeBoard { 
- 
-Y_UNIT_TEST_SUITE(TMonitoringTests) { 
-    static constexpr char HTTPUNAVAILABLE[] = "HTTP/1.1 503 Service Unavailable\r\nConnection: Close\r\n\r\nService Unavailable\r\n"; 
- 
-    struct TMockMonRequest: public NMonitoring::IMonHttpRequest { 
-        explicit TMockMonRequest(const TString& pathInfo = {}, const TCgiParameters& params = {}) 
-            : PathInfo(pathInfo) 
-            , Params(params) 
-        { 
-        } 
- 
-        TStringBuf GetPathInfo() const override { 
-            return PathInfo; 
-        } 
- 
-        const TCgiParameters& GetParams() const override { 
-            return Params; 
-        } 
- 
-        IOutputStream& Output() override { Y_FAIL("Not implemented"); } 
-        HTTP_METHOD GetMethod() const override { Y_FAIL("Not implemented"); } 
-        TStringBuf GetPath() const override { Y_FAIL("Not implemented"); } 
-        TStringBuf GetUri() const override { Y_FAIL("Not implemented"); } 
-        const TCgiParameters& GetPostParams() const override { Y_FAIL("Not implemented"); } 
-        TStringBuf GetPostContent() const override { Y_FAIL("Not implemented"); } 
-        const THttpHeaders& GetHeaders() const override { Y_FAIL("Not implemented"); } 
-        TStringBuf GetHeader(TStringBuf) const override { Y_FAIL("Not implemented"); } 
-        TStringBuf GetCookie(TStringBuf) const override { Y_FAIL("Not implemented"); } 
-        TString GetRemoteAddr() const override { Y_FAIL("Not implemented"); } 
-        TString GetServiceTitle() const override { Y_FAIL("Not implemented"); } 
-        NMonitoring::IMonPage* GetPage() const override { Y_FAIL("Not implemented"); } 
-        NMonitoring::IMonHttpRequest* MakeChild(NMonitoring::IMonPage*, const TString&) const override { Y_FAIL("Not implemented"); } 
- 
-    private: 
-        const TString PathInfo; 
-        const TCgiParameters Params; 
-    }; 
- 
-    TActorId CreateMonitoring(TTestActorRuntimeBase& runtime) { 
-        const auto actorId = runtime.Register(CreateSchemeBoardMonitoring()); 
- 
-        // wait until actor is ready 
-        TDispatchOptions opts; 
-        opts.FinalEvents.emplace_back([&actorId](IEventHandle& ev) { 
-            return ev.Recipient == actorId && ev.GetTypeRewrite() == TEvents::TSystem::Bootstrap; 
-        }); 
-        runtime.DispatchEvents(opts); 
- 
-        return actorId; 
-    } 
- 
-    void TestActorId(TTestContext& ctx, const TActorId& monitoring, const TActorId& sender, 
-            const TString& path, const TCgiParameters& params, const TString& expectedAnswer) 
-    { 
-        auto request = MakeHolder<TMockMonRequest>(path, params); 
-        ctx.Send(monitoring, sender, new NMon::TEvHttpInfo(*request.Get())); 
- 
-        auto ev = ctx.GrabEdgeEvent<NMon::TEvHttpInfoRes>(sender); 
-        UNIT_ASSERT(ev->Get()); 
- 
-        auto response = static_cast<NMon::TEvHttpInfoRes*>(ev->Get()); 
-        UNIT_ASSERT_VALUES_EQUAL(response->Answer, expectedAnswer); 
-    } 
- 
-    void TestValidActorId(TTestContext& ctx, const TActorId& monitoring, const TActorId& sender, 
-            const TString& path, const TCgiParameters& params = {}) 
-    { 
-        TestActorId(ctx, monitoring, sender, path, params, HTTPUNAVAILABLE); 
-    } 
- 
-    Y_UNIT_TEST(ValidActorId) { 
-        auto context = MakeHolder<TTestContext>(); 
-        context->Initialize(TAppPrepare().Unwrap()); 
- 
-        const auto monitoring = CreateMonitoring(*context); 
-        const auto sender = context->AllocateEdgeActor(); 
- 
-        for (const TString& actorId : {"7007306538023635091:201863463214"}) { 
-            TestValidActorId(*context, monitoring, sender, Sprintf("/populator/%s", actorId.data())); 
-            TestValidActorId(*context, monitoring, sender, Sprintf("/replica_populator/%s", actorId.data())); 
-            TestValidActorId(*context, monitoring, sender, Sprintf("/replica/%s", actorId.data())); 
-            TestValidActorId(*context, monitoring, sender, Sprintf("/subscriber/%s", actorId.data())); 
-            TestValidActorId(*context, monitoring, sender, Sprintf("/subscriber_proxy/%s", actorId.data())); 
-            TestValidActorId(*context, monitoring, sender, Sprintf("/replica_subscriber/%s", actorId.data())); 
-            TestValidActorId(*context, monitoring, sender, Sprintf("/cache/%s", actorId.data())); 
-            TestActorId(*context, monitoring, sender, "/describe", {{"actorId", actorId}}, NMonitoring::HTTPNOTFOUND); 
-        } 
-    } 
- 
-    void TestInvalidActorId(TTestContext& ctx, const TActorId& monitoring, const TActorId& sender, 
-            const TString& path, const TCgiParameters& params = {}) 
-    { 
-        TestActorId(ctx, monitoring, sender, path, params, NMonitoring::HTTPNOTFOUND); 
-    } 
- 
-    Y_UNIT_TEST(InvalidActorId) { 
-        auto context = MakeHolder<TTestContext>(); 
-        context->Initialize(TAppPrepare().Unwrap()); 
- 
-        const auto monitoring = CreateMonitoring(*context); 
-        const auto sender = context->AllocateEdgeActor(); 
- 
-        for (const TString& actorId : {"Invalid", "Invalid:1", "1:Invalid"}) { 
-            TestInvalidActorId(*context, monitoring, sender, Sprintf("/populator/%s", actorId.data())); 
-            TestInvalidActorId(*context, monitoring, sender, Sprintf("/replica_populator/%s", actorId.data())); 
-            TestInvalidActorId(*context, monitoring, sender, Sprintf("/replica/%s", actorId.data())); 
-            TestInvalidActorId(*context, monitoring, sender, Sprintf("/subscriber/%s", actorId.data())); 
-            TestInvalidActorId(*context, monitoring, sender, Sprintf("/subscriber_proxy/%s", actorId.data())); 
-            TestInvalidActorId(*context, monitoring, sender, Sprintf("/replica_subscriber/%s", actorId.data())); 
-            TestInvalidActorId(*context, monitoring, sender, Sprintf("/cache/%s", actorId.data())); 
-            TestInvalidActorId(*context, monitoring, sender, "/describe", {{"actorId", actorId}}); 
-        } 
-    } 
-} 
- 
-} // NSchemeBoard 
-} // NKikimr 
+
+#include <library/cpp/actors/core/mon.h>
+#include <library/cpp/testing/unittest/registar.h>
+
+#include <util/string/printf.h>
+
+namespace NKikimr {
+namespace NSchemeBoard {
+
+Y_UNIT_TEST_SUITE(TMonitoringTests) {
+    static constexpr char HTTPUNAVAILABLE[] = "HTTP/1.1 503 Service Unavailable\r\nConnection: Close\r\n\r\nService Unavailable\r\n";
+
+    struct TMockMonRequest: public NMonitoring::IMonHttpRequest {
+        explicit TMockMonRequest(const TString& pathInfo = {}, const TCgiParameters& params = {})
+            : PathInfo(pathInfo)
+            , Params(params)
+        {
+        }
+
+        TStringBuf GetPathInfo() const override {
+            return PathInfo;
+        }
+
+        const TCgiParameters& GetParams() const override {
+            return Params;
+        }
+
+        IOutputStream& Output() override { Y_FAIL("Not implemented"); }
+        HTTP_METHOD GetMethod() const override { Y_FAIL("Not implemented"); }
+        TStringBuf GetPath() const override { Y_FAIL("Not implemented"); }
+        TStringBuf GetUri() const override { Y_FAIL("Not implemented"); }
+        const TCgiParameters& GetPostParams() const override { Y_FAIL("Not implemented"); }
+        TStringBuf GetPostContent() const override { Y_FAIL("Not implemented"); }
+        const THttpHeaders& GetHeaders() const override { Y_FAIL("Not implemented"); }
+        TStringBuf GetHeader(TStringBuf) const override { Y_FAIL("Not implemented"); }
+        TStringBuf GetCookie(TStringBuf) const override { Y_FAIL("Not implemented"); }
+        TString GetRemoteAddr() const override { Y_FAIL("Not implemented"); }
+        TString GetServiceTitle() const override { Y_FAIL("Not implemented"); }
+        NMonitoring::IMonPage* GetPage() const override { Y_FAIL("Not implemented"); }
+        NMonitoring::IMonHttpRequest* MakeChild(NMonitoring::IMonPage*, const TString&) const override { Y_FAIL("Not implemented"); }
+
+    private:
+        const TString PathInfo;
+        const TCgiParameters Params;
+    };
+
+    TActorId CreateMonitoring(TTestActorRuntimeBase& runtime) {
+        const auto actorId = runtime.Register(CreateSchemeBoardMonitoring());
+
+        // wait until actor is ready
+        TDispatchOptions opts;
+        opts.FinalEvents.emplace_back([&actorId](IEventHandle& ev) {
+            return ev.Recipient == actorId && ev.GetTypeRewrite() == TEvents::TSystem::Bootstrap;
+        });
+        runtime.DispatchEvents(opts);
+
+        return actorId;
+    }
+
+    void TestActorId(TTestContext& ctx, const TActorId& monitoring, const TActorId& sender,
+            const TString& path, const TCgiParameters& params, const TString& expectedAnswer)
+    {
+        auto request = MakeHolder<TMockMonRequest>(path, params);
+        ctx.Send(monitoring, sender, new NMon::TEvHttpInfo(*request.Get()));
+
+        auto ev = ctx.GrabEdgeEvent<NMon::TEvHttpInfoRes>(sender);
+        UNIT_ASSERT(ev->Get());
+
+        auto response = static_cast<NMon::TEvHttpInfoRes*>(ev->Get());
+        UNIT_ASSERT_VALUES_EQUAL(response->Answer, expectedAnswer);
+    }
+
+    void TestValidActorId(TTestContext& ctx, const TActorId& monitoring, const TActorId& sender,
+            const TString& path, const TCgiParameters& params = {})
+    {
+        TestActorId(ctx, monitoring, sender, path, params, HTTPUNAVAILABLE);
+    }
+
+    Y_UNIT_TEST(ValidActorId) {
+        auto context = MakeHolder<TTestContext>();
+        context->Initialize(TAppPrepare().Unwrap());
+
+        const auto monitoring = CreateMonitoring(*context);
+        const auto sender = context->AllocateEdgeActor();
+
+        for (const TString& actorId : {"7007306538023635091:201863463214"}) {
+            TestValidActorId(*context, monitoring, sender, Sprintf("/populator/%s", actorId.data()));
+            TestValidActorId(*context, monitoring, sender, Sprintf("/replica_populator/%s", actorId.data()));
+            TestValidActorId(*context, monitoring, sender, Sprintf("/replica/%s", actorId.data()));
+            TestValidActorId(*context, monitoring, sender, Sprintf("/subscriber/%s", actorId.data()));
+            TestValidActorId(*context, monitoring, sender, Sprintf("/subscriber_proxy/%s", actorId.data()));
+            TestValidActorId(*context, monitoring, sender, Sprintf("/replica_subscriber/%s", actorId.data()));
+            TestValidActorId(*context, monitoring, sender, Sprintf("/cache/%s", actorId.data()));
+            TestActorId(*context, monitoring, sender, "/describe", {{"actorId", actorId}}, NMonitoring::HTTPNOTFOUND);
+        }
+    }
+
+    void TestInvalidActorId(TTestContext& ctx, const TActorId& monitoring, const TActorId& sender,
+            const TString& path, const TCgiParameters& params = {})
+    {
+        TestActorId(ctx, monitoring, sender, path, params, NMonitoring::HTTPNOTFOUND);
+    }
+
+    Y_UNIT_TEST(InvalidActorId) {
+        auto context = MakeHolder<TTestContext>();
+        context->Initialize(TAppPrepare().Unwrap());
+
+        const auto monitoring = CreateMonitoring(*context);
+        const auto sender = context->AllocateEdgeActor();
+
+        for (const TString& actorId : {"Invalid", "Invalid:1", "1:Invalid"}) {
+            TestInvalidActorId(*context, monitoring, sender, Sprintf("/populator/%s", actorId.data()));
+            TestInvalidActorId(*context, monitoring, sender, Sprintf("/replica_populator/%s", actorId.data()));
+            TestInvalidActorId(*context, monitoring, sender, Sprintf("/replica/%s", actorId.data()));
+            TestInvalidActorId(*context, monitoring, sender, Sprintf("/subscriber/%s", actorId.data()));
+            TestInvalidActorId(*context, monitoring, sender, Sprintf("/subscriber_proxy/%s", actorId.data()));
+            TestInvalidActorId(*context, monitoring, sender, Sprintf("/replica_subscriber/%s", actorId.data()));
+            TestInvalidActorId(*context, monitoring, sender, Sprintf("/cache/%s", actorId.data()));
+            TestInvalidActorId(*context, monitoring, sender, "/describe", {{"actorId", actorId}});
+        }
+    }
+}
+
+} // NSchemeBoard
+} // NKikimr
diff --git a/ydb/core/tx/scheme_board/populator.cpp b/ydb/core/tx/scheme_board/populator.cpp
index 6fcccdaf31..f860bb88cb 100644
--- a/ydb/core/tx/scheme_board/populator.cpp
+++ b/ydb/core/tx/scheme_board/populator.cpp
@@ -1,103 +1,103 @@
-#include "events.h" 
-#include "helpers.h" 
-#include "monitorable_actor.h" 
-#include "populator.h" 
- 
-#include <contrib/libs/protobuf/src/google/protobuf/util/json_util.h> 
- 
+#include "events.h"
+#include "helpers.h"
+#include "monitorable_actor.h"
+#include "populator.h"
+
+#include <contrib/libs/protobuf/src/google/protobuf/util/json_util.h>
+
 #include <ydb/core/base/statestorage_impl.h>
 #include <ydb/core/base/tabletid.h>
 #include <ydb/core/protos/services.pb.h>
 #include <ydb/core/tx/schemeshard/schemeshard.h>
 #include <ydb/core/util/yverify_stream.h>
- 
+
 #include <library/cpp/actors/core/actor_bootstrapped.h>
 #include <library/cpp/actors/core/hfunc.h>
 #include <library/cpp/actors/core/interconnect.h>
 #include <library/cpp/actors/core/log.h>
- 
+
 #include <util/digest/city.h>
 
-#include <util/generic/hash.h> 
-#include <util/generic/map.h> 
-#include <util/generic/ptr.h> 
-#include <util/generic/set.h> 
-#include <util/generic/string.h> 
-#include <util/generic/vector.h> 
+#include <util/generic/hash.h>
+#include <util/generic/map.h>
+#include <util/generic/ptr.h>
+#include <util/generic/set.h>
+#include <util/generic/string.h>
+#include <util/generic/vector.h>
 #include <util/generic/algorithm.h>
- 
-namespace NKikimr { 
-namespace NSchemeBoard { 
- 
-#define SBP_LOG_T(stream) SB_LOG_T(SCHEME_BOARD_POPULATOR, stream) 
-#define SBP_LOG_D(stream) SB_LOG_D(SCHEME_BOARD_POPULATOR, stream) 
-#define SBP_LOG_N(stream) SB_LOG_N(SCHEME_BOARD_POPULATOR, stream) 
-#define SBP_LOG_E(stream) SB_LOG_E(SCHEME_BOARD_POPULATOR, stream) 
+
+namespace NKikimr {
+namespace NSchemeBoard {
+
+#define SBP_LOG_T(stream) SB_LOG_T(SCHEME_BOARD_POPULATOR, stream)
+#define SBP_LOG_D(stream) SB_LOG_D(SCHEME_BOARD_POPULATOR, stream)
+#define SBP_LOG_N(stream) SB_LOG_N(SCHEME_BOARD_POPULATOR, stream)
+#define SBP_LOG_E(stream) SB_LOG_E(SCHEME_BOARD_POPULATOR, stream)
 #define SBP_LOG_CRIT(stream) SB_LOG_CRIT(SCHEME_BOARD_POPULATOR, stream)
- 
-namespace { 
- 
-    using TDelayedUpdates = TVector<THolder<IEventHandle>>; 
- 
-    void ReplayUpdates(TDelayedUpdates& updates) { 
-        for (auto& update : updates) { 
-            TlsActivationContext->Send(update.Release()); 
-        } 
- 
-        TDelayedUpdates().swap(updates); 
-    } 
- 
-} // anonymous 
- 
-class TReplicaPopulator: public TMonitorableActor<TReplicaPopulator> { 
-    void ProcessSync(TSchemeBoardEvents::TEvDescribeResult* msg = nullptr, const TPathId& pathId = TPathId()) { 
-        if (msg == nullptr) { 
-            BatchSize = 0; 
-            Send(Parent, new TSchemeBoardEvents::TEvRequestDescribe(pathId, Replica)); 
-            return; 
-        } 
- 
-        if (msg->Commit) { 
-            auto commit = MakeHolder<TSchemeBoardEvents::TEvCommitRequest>(Owner, Generation); 
-            Send(Replica, std::move(commit), IEventHandle::FlagTrackDelivery); 
-            return; 
-        } 
- 
-        auto update = msg->HasDescription() 
-            ? MakeHolder<TSchemeBoardEvents::TEvUpdateBuilder>(Owner, Generation, msg->Description.Record) 
-            : MakeHolder<TSchemeBoardEvents::TEvUpdateBuilder>(Owner, Generation); 
- 
-        if (msg->HasDeletedLocalPathIds()) { 
-            auto& deletedLocalPathIds = *update->Record.MutableDeletedLocalPathIds(); 
- 
+
+namespace {
+
+    using TDelayedUpdates = TVector<THolder<IEventHandle>>;
+
+    void ReplayUpdates(TDelayedUpdates& updates) {
+        for (auto& update : updates) {
+            TlsActivationContext->Send(update.Release());
+        }
+
+        TDelayedUpdates().swap(updates);
+    }
+
+} // anonymous
+
+class TReplicaPopulator: public TMonitorableActor<TReplicaPopulator> {
+    void ProcessSync(TSchemeBoardEvents::TEvDescribeResult* msg = nullptr, const TPathId& pathId = TPathId()) {
+        if (msg == nullptr) {
+            BatchSize = 0;
+            Send(Parent, new TSchemeBoardEvents::TEvRequestDescribe(pathId, Replica));
+            return;
+        }
+
+        if (msg->Commit) {
+            auto commit = MakeHolder<TSchemeBoardEvents::TEvCommitRequest>(Owner, Generation);
+            Send(Replica, std::move(commit), IEventHandle::FlagTrackDelivery);
+            return;
+        }
+
+        auto update = msg->HasDescription()
+            ? MakeHolder<TSchemeBoardEvents::TEvUpdateBuilder>(Owner, Generation, msg->Description.Record)
+            : MakeHolder<TSchemeBoardEvents::TEvUpdateBuilder>(Owner, Generation);
+
+        if (msg->HasDeletedLocalPathIds()) {
+            auto& deletedLocalPathIds = *update->Record.MutableDeletedLocalPathIds();
+
             deletedLocalPathIds.SetBegin(msg->DeletedPathBegin);
             deletedLocalPathIds.SetEnd(msg->DeletedPathEnd);
- 
+
             CurPathId = TPathId(Owner, msg->DeletedPathEnd);
-        } 
- 
-        if (msg->HasDescription()) { 
-            auto& record = msg->Description.Record; 
- 
-            if (!record.HasStatus()) { 
-                SBP_LOG_E("Ignore description without status" 
-                    << ": self# " << SelfId()); 
+        }
+
+        if (msg->HasDescription()) {
+            auto& record = msg->Description.Record;
+
+            if (!record.HasStatus()) {
+                SBP_LOG_E("Ignore description without status"
+                    << ": self# " << SelfId());
             } else if (record.GetStatus() != NKikimrScheme::StatusSuccess) {
-                SBP_LOG_E("Ignore description" 
-                    << ": self# " << SelfId() 
+                SBP_LOG_E("Ignore description"
+                    << ": self# " << SelfId()
                     << ", status# " << record.GetStatus()
                     << ", msg# " << record.ShortDebugString());
-            } else { 
+            } else {
                 CurPathId = GetPathId(record);
-                update->SetDescribeSchemeResult(std::move(msg->Description)); 
-            } 
-        } 
- 
+                update->SetDescribeSchemeResult(std::move(msg->Description));
+            }
+        }
+
         if (msg->HasMigratedPath()) {
             SBP_LOG_D("Ignore description of migrated path"
-                << ": self# " << SelfId() 
-                << ", owner# " << Owner 
-                << ", localPathId# " << msg->MigratedPathId); 
+                << ": self# " << SelfId()
+                << ", owner# " << Owner
+                << ", localPathId# " << msg->MigratedPathId);
             //this path should be described by another owner (tenant schemeshard)
             auto& migratedLocalPathIds = *update->Record.MutableMigratedLocalPathIds();
             migratedLocalPathIds.SetBegin(msg->MigratedPathId);
@@ -106,457 +106,457 @@ class TReplicaPopulator: public TMonitorableActor<TReplicaPopulator> {
             CurPathId = TPathId(Owner, msg->MigratedPathId);
         }
 
-        if (++BatchSize < BatchSizeLimit) { 
+        if (++BatchSize < BatchSizeLimit) {
             CurPathId = CurPathId.NextId();
             Send(Parent, new TSchemeBoardEvents::TEvRequestDescribe(CurPathId, Replica));
-        } else { 
-            update->Record.SetNeedAck(true); 
-            BatchSize = 0; 
-        } 
- 
-        Send(Replica, std::move(update), IEventHandle::FlagTrackDelivery); 
-    } 
- 
-    void ResumeSync(const TPathId& fromPathId) { 
-        ProcessSync(nullptr, fromPathId); 
-    } 
- 
-    void EnqueueUpdate(TSchemeBoardEvents::TEvUpdate::TPtr& ev, bool canSend = false) { 
-        const TPathId pathId = ev->Get()->GetPathId(); 
-        const auto& record = (static_cast<TSchemeBoardEvents::TEvUpdateBuilder*>(ev->Get()))->Record; 
-        const ui64 version = record.GetIsDeletion() ? Max<ui64>() : GetPathVersion(record.GetDescribeSchemeResult()); 
- 
-        if (canSend && UpdatesInFlight.size() < BatchSizeLimit) { 
-            bool needSend = true; 
- 
-            auto it = UpdatesInFlight.find(pathId); 
-            if (it != UpdatesInFlight.end() && !it->second.empty() && it->second.rbegin()->first >= version) { 
-                needSend = false; 
-            } 
- 
-            it = UpdatesRequested.find(pathId); 
-            if (it != UpdatesRequested.end()) { 
-                UpdatesInFlight[pathId].insert(it->second.begin(), it->second.end()); 
-                UpdatesRequested.erase(it); 
-            } 
- 
-            UpdatesInFlight[pathId].emplace(version, ev->Cookie); 
-            if (needSend) { 
-                Send(Replica, ev->Release().Release(), IEventHandle::FlagTrackDelivery, ev->Cookie); 
-            } 
-        } else { 
-            auto it = UpdatesRequested.find(pathId); 
-            if (it != UpdatesRequested.end()) { 
-                Updates[pathId].insert(it->second.begin(), it->second.end()); 
-                UpdatesRequested.erase(it); 
-            } 
- 
-            Updates[pathId].emplace(version, ev->Cookie); 
-        } 
-    } 
- 
-    void DequeueUpdate(TSchemeBoardEvents::TEvUpdateAck::TPtr& ev) { 
-        const TPathId pathId = ev->Get()->GetPathId(); 
-        const ui64 version = ev->Get()->Record.GetVersion(); 
- 
-        auto it = UpdatesInFlight.find(pathId); 
-        if (it != UpdatesInFlight.end()) { 
-            auto& versions = it->second; 
-            TSet<ui64> txIds; 
- 
-            for (auto x = versions.begin(), end = versions.upper_bound(std::make_pair(version, Max<ui64>())); x != end;) { 
-                txIds.insert(x->second); 
-                versions.erase(x++); 
-            } 
- 
-            if (versions.empty()) { 
-                UpdatesInFlight.erase(it); 
-            } 
- 
-            for (ui64 txId : txIds) { 
-                Send(Parent, new TSchemeBoardEvents::TEvUpdateAck(Owner, Generation, pathId, version), 0, txId); 
-            } 
-        } 
- 
-        if (UpdatesInFlight.size() < BatchSizeLimit) { 
-            RequestUpdate(); 
-        } 
-    } 
- 
-    bool RequestUpdate() { 
-        if (UpdatesRequested.size() >= BatchSizeLimit) { 
-            return false; 
-        } 
- 
-        auto it = Updates.begin(); 
-        if (it == Updates.end()) { 
-            return false; 
-        } 
- 
-        UpdatesRequested[it->first].insert(it->second.begin(), it->second.end()); 
-        Send(Parent, new TSchemeBoardEvents::TEvRequestUpdate(it->first)); 
-        Updates.erase(it); 
- 
-        return true; 
-    } 
- 
-    void RequestUpdates() { 
-        auto move = [](auto& src, auto& dst) { 
-            dst.insert(src.begin(), src.end()); 
-            src.clear(); 
-        }; 
- 
-        move(UpdatesRequested, Updates); 
-        move(UpdatesInFlight, Updates); 
-        while (RequestUpdate()); 
-    } 
- 
-    template <typename TEvent, typename T> 
-    bool Check(TEvent& ev, T this_, T that, const TString& what) { 
-        if (this_ != that) { 
-            SBP_LOG_E("Suspicious " << TypeName<TEvent>() 
-                << ": self# " << SelfId() 
-                << ", sender# " << ev->Sender 
-                << ", " << what << "# " << this_ 
-                << ", other " << what << "# " << that); 
-            return false; 
-        } 
- 
-        return true; 
-    } 
- 
-    template <typename TEvent> 
-    bool CheckOwner(TEvent& ev) { 
-        return Check(ev, Owner, ev->Get()->Record.GetOwner(), "owner"); 
-    } 
- 
-    template <typename TEvent> 
-    bool CheckGeneration(TEvent& ev) { 
-        return Check(ev, Generation, ev->Get()->Record.GetGeneration(), "generation"); 
-    } 
- 
-    void Handle(TSchemeBoardEvents::TEvHandshakeResponse::TPtr& ev) { 
-        SBP_LOG_D("Handle TSchemeBoardEvents::TEvHandshakeResponse" 
-            << ": self# " << SelfId() 
-            << ", sender# " << ev->Sender); 
- 
-        if (!CheckOwner(ev)) { 
-            return; 
-        } 
- 
-        const ui64 generation = ev->Get()->Record.GetGeneration(); 
-        if (generation > Generation) { 
-            SBP_LOG_CRIT("I MUST DIE" 
-                << ": self# " << SelfId()); 
-            Become(&TThis::StateCalm); 
-        } else { 
-            SBP_LOG_N("Successful handshake" 
-                << ": self# " << SelfId() 
-                << ", replica# " << ev->Sender); 
- 
-            if (generation < Generation) { 
-                SBP_LOG_N("Start full sync" 
-                    << ": self# " << SelfId() 
-                    << ", replica# " << ev->Sender); 
-                ProcessSync(); 
-            } else { 
-                SBP_LOG_N("Resume sync" 
-                    << ": self# " << SelfId() 
-                    << ", replica# " << ev->Sender 
-                    << ", fromPathId# " << LastAckedPathId.NextId()); 
-                ResumeSync(LastAckedPathId.NextId()); 
-            } 
- 
-            RequestUpdates(); 
-            Become(&TThis::StateWork); 
-        } 
-    } 
- 
-    void Handle(TSchemeBoardEvents::TEvDescribeResult::TPtr& ev) { 
-        SBP_LOG_D("Handle TSchemeBoardEvents::TEvDescribeResult" 
-            << ": self# " << SelfId() 
-            << ", sender# " << ev->Sender); 
-        SBP_LOG_T("Message:\n" << ev->Get()->ToString().substr(0, 1000)); 
- 
-        ProcessSync(ev->Get()); 
-    } 
- 
-    void Handle(TSchemeBoardEvents::TEvUpdate::TPtr& ev) { 
-        SBP_LOG_D("Handle TSchemeBoardEvents::TEvUpdate" 
-            << ": self# " << SelfId() 
-            << ", sender# " << ev->Sender 
-            << ", cookie# " << ev->Cookie); 
-        SBP_LOG_T("Message:\n" << ev->Get()->ToString().substr(0, 1000)); 
- 
-        EnqueueUpdate(ev, true); 
-    } 
- 
-    void Handle(TSchemeBoardEvents::TEvUpdateAck::TPtr& ev) { 
-        SBP_LOG_D("Handle TSchemeBoardEvents::TEvUpdateAck (replica)" 
-            << ": self# " << SelfId() 
-            << ", sender# " << ev->Sender 
-            << ", cookie# " << ev->Cookie); 
-        SBP_LOG_T("Message:\n" << ev->Get()->ToString().substr(0, 1000)); 
- 
-        if (!CheckOwner(ev) || !CheckGeneration(ev)) { 
-            return; 
-        } 
- 
-        if (!ev->Cookie && ev->Get()->GetPathId() == CurPathId) { 
-            LastAckedPathId = CurPathId; 
+        } else {
+            update->Record.SetNeedAck(true);
+            BatchSize = 0;
+        }
+
+        Send(Replica, std::move(update), IEventHandle::FlagTrackDelivery);
+    }
+
+    void ResumeSync(const TPathId& fromPathId) {
+        ProcessSync(nullptr, fromPathId);
+    }
+
+    void EnqueueUpdate(TSchemeBoardEvents::TEvUpdate::TPtr& ev, bool canSend = false) {
+        const TPathId pathId = ev->Get()->GetPathId();
+        const auto& record = (static_cast<TSchemeBoardEvents::TEvUpdateBuilder*>(ev->Get()))->Record;
+        const ui64 version = record.GetIsDeletion() ? Max<ui64>() : GetPathVersion(record.GetDescribeSchemeResult());
+
+        if (canSend && UpdatesInFlight.size() < BatchSizeLimit) {
+            bool needSend = true;
+
+            auto it = UpdatesInFlight.find(pathId);
+            if (it != UpdatesInFlight.end() && !it->second.empty() && it->second.rbegin()->first >= version) {
+                needSend = false;
+            }
+
+            it = UpdatesRequested.find(pathId);
+            if (it != UpdatesRequested.end()) {
+                UpdatesInFlight[pathId].insert(it->second.begin(), it->second.end());
+                UpdatesRequested.erase(it);
+            }
+
+            UpdatesInFlight[pathId].emplace(version, ev->Cookie);
+            if (needSend) {
+                Send(Replica, ev->Release().Release(), IEventHandle::FlagTrackDelivery, ev->Cookie);
+            }
+        } else {
+            auto it = UpdatesRequested.find(pathId);
+            if (it != UpdatesRequested.end()) {
+                Updates[pathId].insert(it->second.begin(), it->second.end());
+                UpdatesRequested.erase(it);
+            }
+
+            Updates[pathId].emplace(version, ev->Cookie);
+        }
+    }
+
+    void DequeueUpdate(TSchemeBoardEvents::TEvUpdateAck::TPtr& ev) {
+        const TPathId pathId = ev->Get()->GetPathId();
+        const ui64 version = ev->Get()->Record.GetVersion();
+
+        auto it = UpdatesInFlight.find(pathId);
+        if (it != UpdatesInFlight.end()) {
+            auto& versions = it->second;
+            TSet<ui64> txIds;
+
+            for (auto x = versions.begin(), end = versions.upper_bound(std::make_pair(version, Max<ui64>())); x != end;) {
+                txIds.insert(x->second);
+                versions.erase(x++);
+            }
+
+            if (versions.empty()) {
+                UpdatesInFlight.erase(it);
+            }
+
+            for (ui64 txId : txIds) {
+                Send(Parent, new TSchemeBoardEvents::TEvUpdateAck(Owner, Generation, pathId, version), 0, txId);
+            }
+        }
+
+        if (UpdatesInFlight.size() < BatchSizeLimit) {
+            RequestUpdate();
+        }
+    }
+
+    bool RequestUpdate() {
+        if (UpdatesRequested.size() >= BatchSizeLimit) {
+            return false;
+        }
+
+        auto it = Updates.begin();
+        if (it == Updates.end()) {
+            return false;
+        }
+
+        UpdatesRequested[it->first].insert(it->second.begin(), it->second.end());
+        Send(Parent, new TSchemeBoardEvents::TEvRequestUpdate(it->first));
+        Updates.erase(it);
+
+        return true;
+    }
+
+    void RequestUpdates() {
+        auto move = [](auto& src, auto& dst) {
+            dst.insert(src.begin(), src.end());
+            src.clear();
+        };
+
+        move(UpdatesRequested, Updates);
+        move(UpdatesInFlight, Updates);
+        while (RequestUpdate());
+    }
+
+    template <typename TEvent, typename T>
+    bool Check(TEvent& ev, T this_, T that, const TString& what) {
+        if (this_ != that) {
+            SBP_LOG_E("Suspicious " << TypeName<TEvent>()
+                << ": self# " << SelfId()
+                << ", sender# " << ev->Sender
+                << ", " << what << "# " << this_
+                << ", other " << what << "# " << that);
+            return false;
+        }
+
+        return true;
+    }
+
+    template <typename TEvent>
+    bool CheckOwner(TEvent& ev) {
+        return Check(ev, Owner, ev->Get()->Record.GetOwner(), "owner");
+    }
+
+    template <typename TEvent>
+    bool CheckGeneration(TEvent& ev) {
+        return Check(ev, Generation, ev->Get()->Record.GetGeneration(), "generation");
+    }
+
+    void Handle(TSchemeBoardEvents::TEvHandshakeResponse::TPtr& ev) {
+        SBP_LOG_D("Handle TSchemeBoardEvents::TEvHandshakeResponse"
+            << ": self# " << SelfId()
+            << ", sender# " << ev->Sender);
+
+        if (!CheckOwner(ev)) {
+            return;
+        }
+
+        const ui64 generation = ev->Get()->Record.GetGeneration();
+        if (generation > Generation) {
+            SBP_LOG_CRIT("I MUST DIE"
+                << ": self# " << SelfId());
+            Become(&TThis::StateCalm);
+        } else {
+            SBP_LOG_N("Successful handshake"
+                << ": self# " << SelfId()
+                << ", replica# " << ev->Sender);
+
+            if (generation < Generation) {
+                SBP_LOG_N("Start full sync"
+                    << ": self# " << SelfId()
+                    << ", replica# " << ev->Sender);
+                ProcessSync();
+            } else {
+                SBP_LOG_N("Resume sync"
+                    << ": self# " << SelfId()
+                    << ", replica# " << ev->Sender
+                    << ", fromPathId# " << LastAckedPathId.NextId());
+                ResumeSync(LastAckedPathId.NextId());
+            }
+
+            RequestUpdates();
+            Become(&TThis::StateWork);
+        }
+    }
+
+    void Handle(TSchemeBoardEvents::TEvDescribeResult::TPtr& ev) {
+        SBP_LOG_D("Handle TSchemeBoardEvents::TEvDescribeResult"
+            << ": self# " << SelfId()
+            << ", sender# " << ev->Sender);
+        SBP_LOG_T("Message:\n" << ev->Get()->ToString().substr(0, 1000));
+
+        ProcessSync(ev->Get());
+    }
+
+    void Handle(TSchemeBoardEvents::TEvUpdate::TPtr& ev) {
+        SBP_LOG_D("Handle TSchemeBoardEvents::TEvUpdate"
+            << ": self# " << SelfId()
+            << ", sender# " << ev->Sender
+            << ", cookie# " << ev->Cookie);
+        SBP_LOG_T("Message:\n" << ev->Get()->ToString().substr(0, 1000));
+
+        EnqueueUpdate(ev, true);
+    }
+
+    void Handle(TSchemeBoardEvents::TEvUpdateAck::TPtr& ev) {
+        SBP_LOG_D("Handle TSchemeBoardEvents::TEvUpdateAck (replica)"
+            << ": self# " << SelfId()
+            << ", sender# " << ev->Sender
+            << ", cookie# " << ev->Cookie);
+        SBP_LOG_T("Message:\n" << ev->Get()->ToString().substr(0, 1000));
+
+        if (!CheckOwner(ev) || !CheckGeneration(ev)) {
+            return;
+        }
+
+        if (!ev->Cookie && ev->Get()->GetPathId() == CurPathId) {
+            LastAckedPathId = CurPathId;
 
             CurPathId = CurPathId.NextId();
             Send(Parent, new TSchemeBoardEvents::TEvRequestDescribe(CurPathId, Replica));
-        } 
- 
-        DequeueUpdate(ev); 
-    } 
- 
-    void Handle(TSchemeBoardEvents::TEvCommitResponse::TPtr& ev) { 
-        SBP_LOG_D("Handle TSchemeBoardEvents::TEvCommitResponse" 
-            << ": self# " << SelfId() 
-            << ", sender# " << ev->Sender); 
-        SBP_LOG_T("Message:\n" << ev->Get()->ToString().substr(0, 1000)); 
- 
-        if (!CheckOwner(ev) || !CheckGeneration(ev)) { 
-            return; 
-        } 
- 
-        LastAckedPathId = CurPathId.PrevId(); 
-    } 
- 
-    void Handle(TSchemeBoardMonEvents::TEvInfoRequest::TPtr& ev) { 
-        const auto limit = ev->Get()->Record.GetLimitRepeatedFields(); 
- 
-        auto response = MakeHolder<TSchemeBoardMonEvents::TEvInfoResponse>(SelfId(), ActorActivityType()); 
-        auto& record = *response->Record.MutableReplicaPopulatorResponse(); 
- 
-        ActorIdToProto(Parent, record.MutableParent()); 
-        ActorIdToProto(Replica, record.MutableReplica()); 
- 
-        record.SetOwner(Owner); 
-        record.SetGeneration(Generation); 
-        record.SetBatchSize(BatchSize); 
-        record.SetBatchSizeLimit(BatchSizeLimit); 
- 
-        record.MutableCurPathId()->SetOwnerId(CurPathId.OwnerId); 
-        record.MutableCurPathId()->SetLocalPathId(CurPathId.LocalPathId); 
- 
-        record.MutableLastAckedPathId()->SetOwnerId(LastAckedPathId.OwnerId); 
-        record.MutableLastAckedPathId()->SetLocalPathId(LastAckedPathId.LocalPathId); 
- 
-        auto fillUpdates = [limit, &response = response->Record](const auto& from, auto& to) { 
-            ui32 count = 0; 
-            for (const auto& [pathId, versions] : from) { 
-                auto& update = *to.Add(); 
- 
-                update.MutablePathId()->SetOwnerId(pathId.OwnerId); 
-                update.MutablePathId()->SetLocalPathId(pathId.LocalPathId); 
- 
-                NKikimrSchemeBoardMon::TReplicaPopulatorResponse::TUpdateInfo::TVersionInfo* info = nullptr; 
-                TMaybe<ui64> prevVersion; 
- 
-                for (const auto& [version, txId] : versions) { 
-                    if (!prevVersion || *prevVersion != version) { 
-                        info = update.AddVersions(); 
-                    } 
- 
-                    Y_VERIFY(info); 
-                    info->SetVersion(version); 
-                    info->AddTxIds(txId); 
-                    prevVersion = version; 
-                } 
- 
-                if (++count >= limit) { 
-                    response.SetTruncated(true); 
-                    break; 
-                } 
-            } 
-        }; 
- 
-        fillUpdates(Updates, *record.MutableUpdates()); 
-        fillUpdates(UpdatesRequested, *record.MutableUpdatesRequested()); 
-        fillUpdates(UpdatesInFlight, *record.MutableUpdatesInFlight()); 
- 
-        Send(ev->Sender, std::move(response), 0, ev->Cookie); 
-    } 
- 
-    void SomeSleep() { 
-        Become(&TThis::StateSleep, TDuration::MilliSeconds(50), new TEvents::TEvWakeup()); 
-    } 
- 
-    void PassAway() override { 
-        if (Replica.NodeId() != SelfId().NodeId()) { 
-            Send(MakeInterconnectProxyId(Replica.NodeId()), new TEvents::TEvUnsubscribe()); 
-        } 
- 
-        TMonitorableActor::PassAway(); 
-    } 
- 
-    NJson::TJsonMap MonAttributes() const override { 
-        return { 
-            {"Parent", PrintActorIdAttr(NKikimrServices::TActivity::SCHEME_BOARD_POPULATOR_ACTOR, Parent)}, 
-            {"Replica", PrintActorIdAttr(NKikimrServices::TActivity::SCHEME_BOARD_REPLICA_ACTOR, Replica)}, 
-            {"Owner", Owner}, 
-            {"Generation", Generation}, 
-        }; 
-    } 
- 
-public: 
+        }
+
+        DequeueUpdate(ev);
+    }
+
+    void Handle(TSchemeBoardEvents::TEvCommitResponse::TPtr& ev) {
+        SBP_LOG_D("Handle TSchemeBoardEvents::TEvCommitResponse"
+            << ": self# " << SelfId()
+            << ", sender# " << ev->Sender);
+        SBP_LOG_T("Message:\n" << ev->Get()->ToString().substr(0, 1000));
+
+        if (!CheckOwner(ev) || !CheckGeneration(ev)) {
+            return;
+        }
+
+        LastAckedPathId = CurPathId.PrevId();
+    }
+
+    void Handle(TSchemeBoardMonEvents::TEvInfoRequest::TPtr& ev) {
+        const auto limit = ev->Get()->Record.GetLimitRepeatedFields();
+
+        auto response = MakeHolder<TSchemeBoardMonEvents::TEvInfoResponse>(SelfId(), ActorActivityType());
+        auto& record = *response->Record.MutableReplicaPopulatorResponse();
+
+        ActorIdToProto(Parent, record.MutableParent());
+        ActorIdToProto(Replica, record.MutableReplica());
+
+        record.SetOwner(Owner);
+        record.SetGeneration(Generation);
+        record.SetBatchSize(BatchSize);
+        record.SetBatchSizeLimit(BatchSizeLimit);
+
+        record.MutableCurPathId()->SetOwnerId(CurPathId.OwnerId);
+        record.MutableCurPathId()->SetLocalPathId(CurPathId.LocalPathId);
+
+        record.MutableLastAckedPathId()->SetOwnerId(LastAckedPathId.OwnerId);
+        record.MutableLastAckedPathId()->SetLocalPathId(LastAckedPathId.LocalPathId);
+
+        auto fillUpdates = [limit, &response = response->Record](const auto& from, auto& to) {
+            ui32 count = 0;
+            for (const auto& [pathId, versions] : from) {
+                auto& update = *to.Add();
+
+                update.MutablePathId()->SetOwnerId(pathId.OwnerId);
+                update.MutablePathId()->SetLocalPathId(pathId.LocalPathId);
+
+                NKikimrSchemeBoardMon::TReplicaPopulatorResponse::TUpdateInfo::TVersionInfo* info = nullptr;
+                TMaybe<ui64> prevVersion;
+
+                for (const auto& [version, txId] : versions) {
+                    if (!prevVersion || *prevVersion != version) {
+                        info = update.AddVersions();
+                    }
+
+                    Y_VERIFY(info);
+                    info->SetVersion(version);
+                    info->AddTxIds(txId);
+                    prevVersion = version;
+                }
+
+                if (++count >= limit) {
+                    response.SetTruncated(true);
+                    break;
+                }
+            }
+        };
+
+        fillUpdates(Updates, *record.MutableUpdates());
+        fillUpdates(UpdatesRequested, *record.MutableUpdatesRequested());
+        fillUpdates(UpdatesInFlight, *record.MutableUpdatesInFlight());
+
+        Send(ev->Sender, std::move(response), 0, ev->Cookie);
+    }
+
+    void SomeSleep() {
+        Become(&TThis::StateSleep, TDuration::MilliSeconds(50), new TEvents::TEvWakeup());
+    }
+
+    void PassAway() override {
+        if (Replica.NodeId() != SelfId().NodeId()) {
+            Send(MakeInterconnectProxyId(Replica.NodeId()), new TEvents::TEvUnsubscribe());
+        }
+
+        TMonitorableActor::PassAway();
+    }
+
+    NJson::TJsonMap MonAttributes() const override {
+        return {
+            {"Parent", PrintActorIdAttr(NKikimrServices::TActivity::SCHEME_BOARD_POPULATOR_ACTOR, Parent)},
+            {"Replica", PrintActorIdAttr(NKikimrServices::TActivity::SCHEME_BOARD_REPLICA_ACTOR, Replica)},
+            {"Owner", Owner},
+            {"Generation", Generation},
+        };
+    }
+
+public:
     static constexpr NKikimrServices::TActivity::EType ActorActivityType() {
         return NKikimrServices::TActivity::SCHEME_BOARD_REPLICA_POPULATOR_ACTOR;
-    } 
- 
-    explicit TReplicaPopulator( 
+    }
+
+    explicit TReplicaPopulator(
             const TActorId& parent,
             const TActorId& replica,
             const ui64 owner,
             const ui64 generation)
-        : Parent(parent) 
-        , Replica(replica) 
-        , Owner(owner) 
-        , Generation(generation) 
-        , BatchSize(0) 
-    { 
-    } 
- 
-    void Bootstrap() { 
-        TMonitorableActor::Bootstrap(); 
- 
-        auto handshake = MakeHolder<TSchemeBoardEvents::TEvHandshakeRequest>(Owner, Generation); 
-        Send(Replica, std::move(handshake), IEventHandle::FlagTrackDelivery | IEventHandle::FlagSubscribeOnSession); 
-        Become(&TThis::StateHandshake); 
-    } 
- 
-    STATEFN(StateHandshake) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TSchemeBoardEvents::TEvHandshakeResponse, Handle); 
-            hFunc(TSchemeBoardEvents::TEvUpdate, EnqueueUpdate); 
- 
-            hFunc(TSchemeBoardMonEvents::TEvInfoRequest, Handle); 
- 
-            cFunc(TEvInterconnect::TEvNodeDisconnected::EventType, SomeSleep); 
- 
-            cFunc(TEvents::TEvUndelivered::EventType, SomeSleep); 
-            cFunc(TEvents::TEvPoisonPill::EventType, PassAway); 
-        } 
-    } 
- 
-    STATEFN(StateWork) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TSchemeBoardEvents::TEvDescribeResult, Handle); 
-            hFunc(TSchemeBoardEvents::TEvUpdate, Handle); 
-            hFunc(TSchemeBoardEvents::TEvUpdateAck, Handle); 
-            hFunc(TSchemeBoardEvents::TEvCommitResponse, Handle); 
- 
-            hFunc(TSchemeBoardMonEvents::TEvInfoRequest, Handle); 
- 
-            cFunc(TEvInterconnect::TEvNodeDisconnected::EventType, SomeSleep); 
- 
-            cFunc(TEvents::TEvUndelivered::EventType, SomeSleep); 
-            cFunc(TEvents::TEvPoisonPill::EventType, PassAway); 
-        } 
-    } 
- 
-    STATEFN(StateSleep) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TSchemeBoardEvents::TEvUpdate, EnqueueUpdate); 
- 
-            hFunc(TSchemeBoardMonEvents::TEvInfoRequest, Handle); 
- 
-            cFunc(TEvents::TEvWakeup::EventType, Bootstrap); 
-            cFunc(TEvents::TEvPoisonPill::EventType, PassAway); 
-        } 
-    } 
- 
-    STATEFN(StateCalm) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TSchemeBoardMonEvents::TEvInfoRequest, Handle); 
- 
-            cFunc(TEvents::TEvPoisonPill::EventType, PassAway); 
-        } 
-    } 
- 
-private: 
+        : Parent(parent)
+        , Replica(replica)
+        , Owner(owner)
+        , Generation(generation)
+        , BatchSize(0)
+    {
+    }
+
+    void Bootstrap() {
+        TMonitorableActor::Bootstrap();
+
+        auto handshake = MakeHolder<TSchemeBoardEvents::TEvHandshakeRequest>(Owner, Generation);
+        Send(Replica, std::move(handshake), IEventHandle::FlagTrackDelivery | IEventHandle::FlagSubscribeOnSession);
+        Become(&TThis::StateHandshake);
+    }
+
+    STATEFN(StateHandshake) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TSchemeBoardEvents::TEvHandshakeResponse, Handle);
+            hFunc(TSchemeBoardEvents::TEvUpdate, EnqueueUpdate);
+
+            hFunc(TSchemeBoardMonEvents::TEvInfoRequest, Handle);
+
+            cFunc(TEvInterconnect::TEvNodeDisconnected::EventType, SomeSleep);
+
+            cFunc(TEvents::TEvUndelivered::EventType, SomeSleep);
+            cFunc(TEvents::TEvPoisonPill::EventType, PassAway);
+        }
+    }
+
+    STATEFN(StateWork) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TSchemeBoardEvents::TEvDescribeResult, Handle);
+            hFunc(TSchemeBoardEvents::TEvUpdate, Handle);
+            hFunc(TSchemeBoardEvents::TEvUpdateAck, Handle);
+            hFunc(TSchemeBoardEvents::TEvCommitResponse, Handle);
+
+            hFunc(TSchemeBoardMonEvents::TEvInfoRequest, Handle);
+
+            cFunc(TEvInterconnect::TEvNodeDisconnected::EventType, SomeSleep);
+
+            cFunc(TEvents::TEvUndelivered::EventType, SomeSleep);
+            cFunc(TEvents::TEvPoisonPill::EventType, PassAway);
+        }
+    }
+
+    STATEFN(StateSleep) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TSchemeBoardEvents::TEvUpdate, EnqueueUpdate);
+
+            hFunc(TSchemeBoardMonEvents::TEvInfoRequest, Handle);
+
+            cFunc(TEvents::TEvWakeup::EventType, Bootstrap);
+            cFunc(TEvents::TEvPoisonPill::EventType, PassAway);
+        }
+    }
+
+    STATEFN(StateCalm) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TSchemeBoardMonEvents::TEvInfoRequest, Handle);
+
+            cFunc(TEvents::TEvPoisonPill::EventType, PassAway);
+        }
+    }
+
+private:
     const TActorId Parent;
     const TActorId Replica;
-    const ui64 Owner; 
-    const ui64 Generation; 
- 
-    // TPathId: [version; txId] 
-    THashMap<TPathId, TSet<std::pair<ui64, ui64>>> Updates; 
-    THashMap<TPathId, TSet<std::pair<ui64, ui64>>> UpdatesRequested; 
-    THashMap<TPathId, TSet<std::pair<ui64, ui64>>> UpdatesInFlight; 
- 
-    // used during sync 
+    const ui64 Owner;
+    const ui64 Generation;
+
+    // TPathId: [version; txId]
+    THashMap<TPathId, TSet<std::pair<ui64, ui64>>> Updates;
+    THashMap<TPathId, TSet<std::pair<ui64, ui64>>> UpdatesRequested;
+    THashMap<TPathId, TSet<std::pair<ui64, ui64>>> UpdatesInFlight;
+
+    // used during sync
     TPathId CurPathId;
-    TPathId LastAckedPathId; 
-    ui32 BatchSize; 
-    static constexpr ui32 BatchSizeLimit = 100; 
- 
-}; // TReplicaPopulator 
- 
-class TPopulator: public TMonitorableActor<TPopulator> { 
+    TPathId LastAckedPathId;
+    ui32 BatchSize;
+    static constexpr ui32 BatchSizeLimit = 100;
+
+}; // TReplicaPopulator
+
+class TPopulator: public TMonitorableActor<TPopulator> {
     TConstArrayRef<TActorId> SelectReplicas(TPathId pathId, TStringBuf path) {
         SelectionReplicaCache.clear();
- 
+
         const ui64 pathHash = CityHash64(path);
         const ui64 idHash = pathId.Hash();
- 
+
         TStateStorageInfo::TSelection selection;
- 
+
         GroupInfo->SelectReplicas(pathHash, &selection);
         SelectionReplicaCache.insert(SelectionReplicaCache.end(), selection.begin(), selection.end());
- 
+
         GroupInfo->SelectReplicas(idHash, &selection);
         for (const TActorId& replica : selection) {
-            if (Find(SelectionReplicaCache, replica) == SelectionReplicaCache.end()) { 
+            if (Find(SelectionReplicaCache, replica) == SelectionReplicaCache.end()) {
                 SelectionReplicaCache.emplace_back(replica);
-            } 
-        } 
+            }
+        }
 
-        if (SelectionReplicaCache) { 
+        if (SelectionReplicaCache) {
             return TConstArrayRef<TActorId>(&SelectionReplicaCache.front(), SelectionReplicaCache.size());
-        } else { 
+        } else {
             return TConstArrayRef<TActorId>();
-        } 
+        }
     }
 
     void Update(const TPathId pathId, const bool isDeletion, const ui64 cookie) {
-        auto it = Descriptions.find(pathId); 
-        Y_VERIFY(it != Descriptions.end()); 
+        auto it = Descriptions.find(pathId);
+        Y_VERIFY(it != Descriptions.end());
+
+        const auto& record = it->second.Record;
 
-        const auto& record = it->second.Record; 
- 
         TConstArrayRef<TActorId> replicas = SelectReplicas(pathId, record.GetPath());
         for (const auto& replica : replicas) {
             const TActorId* replicaPopulator = ReplicaToReplicaPopulator.FindPtr(replica);
             Y_VERIFY(replicaPopulator != nullptr);
- 
-            auto update = MakeHolder<TSchemeBoardEvents::TEvUpdateBuilder>(Owner, Generation, record, isDeletion); 
-            if (!isDeletion) { 
-                update->SetDescribeSchemeResult(it->second); 
-            } 
-            update->Record.SetNeedAck(true); 
- 
-            Send(*replicaPopulator, std::move(update), 0, cookie); 
-        } 
-    } 
- 
-    void Handle(TSchemeBoardEvents::TEvRequestDescribe::TPtr& ev) { 
-        SBP_LOG_D("Handle TSchemeBoardEvents::TEvRequestDescribe" 
-            << ": self# " << SelfId() 
-            << ", sender# " << ev->Sender 
+
+            auto update = MakeHolder<TSchemeBoardEvents::TEvUpdateBuilder>(Owner, Generation, record, isDeletion);
+            if (!isDeletion) {
+                update->SetDescribeSchemeResult(it->second);
+            }
+            update->Record.SetNeedAck(true);
+
+            Send(*replicaPopulator, std::move(update), 0, cookie);
+        }
+    }
+
+    void Handle(TSchemeBoardEvents::TEvRequestDescribe::TPtr& ev) {
+        SBP_LOG_D("Handle TSchemeBoardEvents::TEvRequestDescribe"
+            << ": self# " << SelfId()
+            << ", sender# " << ev->Sender
             << ", pathId# " << ev->Get()->PathId);
- 
+
         const TActorId replicaPopulator = ev->Sender;
         const TActorId replica = ev->Get()->Replica;
- 
+
         if (ReplicaToReplicaPopulator[replica] != replicaPopulator) {
-            SBP_LOG_CRIT("Inconsistent replica populator" 
-                << ": self# " << SelfId() 
-                << ", replica# " << replica 
-                << ", replicaPopulator# " << replicaPopulator); 
+            SBP_LOG_CRIT("Inconsistent replica populator"
+                << ": self# " << SelfId()
+                << ", replica# " << replica
+                << ", replicaPopulator# " << replicaPopulator);
             return;
         }
 
@@ -564,19 +564,19 @@ class TPopulator: public TMonitorableActor<TPopulator> {
             Send(replicaPopulator, new TSchemeBoardEvents::TEvDescribeResult(true));
             return;
         }
- 
+
         TPathId startPathId = ev->Get()->PathId;
-        auto it = Descriptions.end(); 
+        auto it = Descriptions.end();
 
         if (ev->Get()->PathId) {
             startPathId = ev->Get()->PathId;
-            it = Descriptions.lower_bound(startPathId); 
+            it = Descriptions.lower_bound(startPathId);
         } else {
-            it = Descriptions.begin(); 
-            startPathId = it->first; 
+            it = Descriptions.begin();
+            startPathId = it->first;
         }
 
-        while (it != Descriptions.end()) { // skip irrelevant to the replica 
+        while (it != Descriptions.end()) { // skip irrelevant to the replica
             if (it->second.Record.GetStatus() == NKikimrScheme::StatusPathDoesNotExist) {
                 // KIKIMR-13173
                 // it is assumed that not deleted pathes present in Descriptions
@@ -592,15 +592,15 @@ class TPopulator: public TMonitorableActor<TPopulator> {
             TConstArrayRef<TActorId> replicas = SelectReplicas(pathId, it->second.Record.GetPath());
             if (Find(replicas, replica) != replicas.end()) {
                 break;
-            } 
-            ++it; 
-        } 
- 
-        if (it == Descriptions.end()) { 
+            }
+            ++it;
+        }
+
+        if (it == Descriptions.end()) {
             if (startPathId >= MaxPathId) {
                 Send(replicaPopulator, new TSchemeBoardEvents::TEvDescribeResult(true));
                 return;
-            } 
+            }
 
             if (startPathId.OwnerId == Owner) {
                 Send(replicaPopulator, new TSchemeBoardEvents::TEvDescribeResult(startPathId.LocalPathId, MaxPathId.LocalPathId));
@@ -608,20 +608,20 @@ class TPopulator: public TMonitorableActor<TPopulator> {
                 Send(replicaPopulator, new TSchemeBoardEvents::TEvDescribeResult(1, MaxPathId.LocalPathId));
             }
             return;
-        } 
- 
+        }
+
         const auto& description = it->second;
         const auto& record = description.Record;
         auto pathId = TPathId(it->second.Record.GetPathOwnerId(), it->second.Record.GetPathId());
 
         if (pathId.OwnerId != Owner) {
             // this is an alien migrated migrated path from another owner, push it as a dot
-            Send(replicaPopulator, new TSchemeBoardEvents::TEvDescribeResult(0, 0, description)); 
+            Send(replicaPopulator, new TSchemeBoardEvents::TEvDescribeResult(0, 0, description));
             return;
         }
 
         TLocalPathId deletedBegin = startPathId.LocalPathId;
-        TLocalPathId deletedEnd = record.GetPathId() - 1; 
+        TLocalPathId deletedEnd = record.GetPathId() - 1;
 
         if (startPathId.OwnerId != Owner) {
             deletedBegin = 1;
@@ -635,370 +635,370 @@ class TPopulator: public TMonitorableActor<TPopulator> {
 
         if (record.GetStatus() == NKikimrScheme::EStatus::StatusRedirectDomain) {
             // this path has been migrated to another owner
-            Send(replicaPopulator, new TSchemeBoardEvents::TEvDescribeResult(deletedBegin, deletedEnd, it->first.LocalPathId)); 
+            Send(replicaPopulator, new TSchemeBoardEvents::TEvDescribeResult(deletedBegin, deletedEnd, it->first.LocalPathId));
             return;
         }
 
-        Send(replicaPopulator, new TSchemeBoardEvents::TEvDescribeResult(deletedBegin, deletedEnd, description)); 
-    } 
- 
-    void Handle(TSchemeBoardEvents::TEvRequestUpdate::TPtr& ev) { 
-        const TPathId pathId = ev->Get()->PathId; 
- 
-        SBP_LOG_D("Handle TSchemeBoardEvents::TEvRequestUpdate" 
-            << ": self# " << SelfId() 
-            << ", sender# " << ev->Sender 
-            << ", pathId# " << pathId); 
- 
-        THolder<TSchemeBoardEvents::TEvUpdateBuilder> update; 
- 
-        auto it = Descriptions.find(pathId); 
-        if (it == Descriptions.end()) { 
+        Send(replicaPopulator, new TSchemeBoardEvents::TEvDescribeResult(deletedBegin, deletedEnd, description));
+    }
+
+    void Handle(TSchemeBoardEvents::TEvRequestUpdate::TPtr& ev) {
+        const TPathId pathId = ev->Get()->PathId;
+
+        SBP_LOG_D("Handle TSchemeBoardEvents::TEvRequestUpdate"
+            << ": self# " << SelfId()
+            << ", sender# " << ev->Sender
+            << ", pathId# " << pathId);
+
+        THolder<TSchemeBoardEvents::TEvUpdateBuilder> update;
+
+        auto it = Descriptions.find(pathId);
+        if (it == Descriptions.end()) {
             update = MakeHolder<TSchemeBoardEvents::TEvUpdateBuilder>(Owner, Generation, pathId);
-        } else { 
+        } else {
             update = MakeHolder<TSchemeBoardEvents::TEvUpdateBuilder>(Owner, Generation, it->second.Record);
-            update->SetDescribeSchemeResult(it->second); 
-        } 
- 
-        update->Record.SetNeedAck(true); 
-        Send(ev->Sender, std::move(update)); 
-    } 
- 
+            update->SetDescribeSchemeResult(it->second);
+        }
+
+        update->Record.SetNeedAck(true);
+        Send(ev->Sender, std::move(update));
+    }
+
     void DelayUpdate(NSchemeShard::TEvSchemeShard::TEvDescribeSchemeResult::TPtr& ev) {
         SBP_LOG_D("DelayUpdate TEvSchemeShard::TEvDescribeSchemeResult"
-            << ": self# " << SelfId() 
-            << ", sender# " << ev->Sender 
-            << ", cookie# " << ev->Cookie); 
+            << ": self# " << SelfId()
+            << ", sender# " << ev->Sender
+            << ", cookie# " << ev->Cookie);
         SBP_LOG_T("Message:\n" << ev->Get()->ToString().substr(0, 1000));
 
-        DelayedUpdates.emplace_back(ev.Release()); 
-    } 
- 
+        DelayedUpdates.emplace_back(ev.Release());
+    }
+
     void Handle(NSchemeShard::TEvSchemeShard::TEvDescribeSchemeResult::TPtr& ev) {
         SBP_LOG_D("Handle TEvSchemeShard::TEvDescribeSchemeResult"
-            << ": self# " << SelfId() 
-            << ", sender# " << ev->Sender 
-            << ", cookie# " << ev->Cookie); 
-        SBP_LOG_T("Message:\n" << ev->Get()->ToString().substr(0, 1000)); 
- 
+            << ": self# " << SelfId()
+            << ", sender# " << ev->Sender
+            << ", cookie# " << ev->Cookie);
+        SBP_LOG_T("Message:\n" << ev->Get()->ToString().substr(0, 1000));
+
         auto* msg = static_cast<NSchemeShard::TEvSchemeShard::TEvDescribeSchemeResultBuilder*>(ev->Get());
-        auto& record = msg->Record; 
- 
-        if (!record.HasStatus()) { 
-            SBP_LOG_E("Description without status" 
-                << ": self# " << SelfId()); 
-            return; 
-        } 
- 
+        auto& record = msg->Record;
+
+        if (!record.HasStatus()) {
+            SBP_LOG_E("Description without status"
+                << ": self# " << SelfId());
+            return;
+        }
+
         const TPathId pathId = GetPathId(record);
         const bool isDeletion = record.GetStatus() == NKikimrScheme::StatusPathDoesNotExist;
-        const ui64 version = isDeletion ? Max<ui64>() : GetPathVersion(record); 
- 
-        SBP_LOG_N("Update description" 
-            << ": self# " << SelfId() 
-            << ", owner# " << Owner 
+        const ui64 version = isDeletion ? Max<ui64>() : GetPathVersion(record);
+
+        SBP_LOG_N("Update description"
+            << ": self# " << SelfId()
+            << ", owner# " << Owner
             << ", pathId# " << pathId
             << ", cookie# " << ev->Cookie
-            << ", is deletion# " << (isDeletion ? "true" : "false")); 
- 
-        if (isDeletion) { 
+            << ", is deletion# " << (isDeletion ? "true" : "false"));
+
+        if (isDeletion) {
             if (!Descriptions.contains(pathId)) {
-                SBP_LOG_N("Immediate ack for deleted path" 
-                    << ": self# " << SelfId() 
-                    << ", sender# " << ev->Sender 
-                    << ", cookie# " << ev->Cookie 
+                SBP_LOG_N("Immediate ack for deleted path"
+                    << ": self# " << SelfId()
+                    << ", sender# " << ev->Sender
+                    << ", cookie# " << ev->Cookie
                     << ", pathId# " << pathId);
- 
+
                 auto ack = MakeHolder<TSchemeBoardEvents::TEvUpdateAck>(Owner, Generation, pathId, Max<ui64>());
-                Send(ev->Sender, std::move(ack), 0, ev->Cookie); 
-                return; 
-            } 
-        } else { 
-            Descriptions[pathId] = TTwoPartDescription(std::move(msg->PreSerializedData), std::move(record)); 
+                Send(ev->Sender, std::move(ack), 0, ev->Cookie);
+                return;
+            }
+        } else {
+            Descriptions[pathId] = TTwoPartDescription(std::move(msg->PreSerializedData), std::move(record));
             MaxPathId = Max(MaxPathId, pathId.NextId());
-        } 
- 
-        auto it = UpdateAcks.find(ev->Cookie); 
-        if (it == UpdateAcks.end()) { 
-            it = UpdateAcks.emplace(ev->Cookie, TUpdateAckInfo{ev->Sender, {}}).first; 
-        } 
- 
-        it->second.AckTo = ev->Sender; 
+        }
+
+        auto it = UpdateAcks.find(ev->Cookie);
+        if (it == UpdateAcks.end()) {
+            it = UpdateAcks.emplace(ev->Cookie, TUpdateAckInfo{ev->Sender, {}}).first;
+        }
+
+        it->second.AckTo = ev->Sender;
         it->second.PathAcks.emplace(std::make_pair(pathId, version), 0);
- 
+
         Update(pathId, isDeletion, ev->Cookie);
- 
-        if (isDeletion) { 
+
+        if (isDeletion) {
             Descriptions.erase(pathId);
-        } 
-    } 
- 
-    void Handle(TSchemeBoardEvents::TEvUpdateAck::TPtr& ev) { 
-        const auto& record = ev->Get()->Record; 
- 
-        SBP_LOG_D("Handle TSchemeBoardEvents::TEvUpdateAck (main)" 
-            << ": self# " << SelfId() 
-            << ", sender# " << ev->Sender 
-            << ", cookie# " << ev->Cookie); 
-        SBP_LOG_T("Message:\n" << record.ShortDebugString()); 
- 
-        auto it = UpdateAcks.find(ev->Cookie); 
-        if (it == UpdateAcks.end()) { 
-            SBP_LOG_D("Ack for unknown update (already acked?)" 
-                << ": self# " << SelfId() 
-                << ", sender# " << ev->Sender 
-                << ", cookie# " << ev->Cookie); 
-            return; 
-        } 
- 
+        }
+    }
+
+    void Handle(TSchemeBoardEvents::TEvUpdateAck::TPtr& ev) {
+        const auto& record = ev->Get()->Record;
+
+        SBP_LOG_D("Handle TSchemeBoardEvents::TEvUpdateAck (main)"
+            << ": self# " << SelfId()
+            << ", sender# " << ev->Sender
+            << ", cookie# " << ev->Cookie);
+        SBP_LOG_T("Message:\n" << record.ShortDebugString());
+
+        auto it = UpdateAcks.find(ev->Cookie);
+        if (it == UpdateAcks.end()) {
+            SBP_LOG_D("Ack for unknown update (already acked?)"
+                << ": self# " << SelfId()
+                << ", sender# " << ev->Sender
+                << ", cookie# " << ev->Cookie);
+            return;
+        }
+
         const TPathId pathId = ev->Get()->GetPathId();
-        const ui64 version = record.GetVersion(); 
- 
+        const ui64 version = record.GetVersion();
+
         auto pathIt = it->second.PathAcks.lower_bound({pathId, 0});
-        while (pathIt != it->second.PathAcks.end() 
+        while (pathIt != it->second.PathAcks.end()
                && pathIt->first.first == pathId
-               && pathIt->first.second <= version) { 
-            if (++pathIt->second > (GroupInfo->NToSelect / 2)) { 
-                SBP_LOG_N("Ack update" 
-                    << ": self# " << SelfId() 
-                    << ", ack to# " << it->second.AckTo 
-                    << ", cookie# " << ev->Cookie 
+               && pathIt->first.second <= version) {
+            if (++pathIt->second > (GroupInfo->NToSelect / 2)) {
+                SBP_LOG_N("Ack update"
+                    << ": self# " << SelfId()
+                    << ", ack to# " << it->second.AckTo
+                    << ", cookie# " << ev->Cookie
                     << ", pathId# " << pathId
-                    << ", version# " << pathIt->first.second); 
- 
+                    << ", version# " << pathIt->first.second);
+
                 auto ack = MakeHolder<TSchemeBoardEvents::TEvUpdateAck>(Owner, Generation, pathId, pathIt->first.second);
-                Send(it->second.AckTo, std::move(ack), 0, ev->Cookie); 
- 
-                auto eraseIt = pathIt; 
-                ++pathIt; 
-                it->second.PathAcks.erase(eraseIt); 
- 
-                if (it->second.PathAcks.empty()) { 
-                    UpdateAcks.erase(it); 
-                    break; 
-                } 
-            } else { 
-                ++pathIt; 
-            } 
-        } 
-    } 
- 
-    void Handle(TEvStateStorage::TEvListSchemeBoardResult::TPtr& ev) { 
-        SBP_LOG_D("Handle TEvStateStorage::TEvListSchemeBoardResult" 
-            << ": self# " << SelfId() 
-            << ", sender# " << ev->Sender); 
- 
+                Send(it->second.AckTo, std::move(ack), 0, ev->Cookie);
+
+                auto eraseIt = pathIt;
+                ++pathIt;
+                it->second.PathAcks.erase(eraseIt);
+
+                if (it->second.PathAcks.empty()) {
+                    UpdateAcks.erase(it);
+                    break;
+                }
+            } else {
+                ++pathIt;
+            }
+        }
+    }
+
+    void Handle(TEvStateStorage::TEvListSchemeBoardResult::TPtr& ev) {
+        SBP_LOG_D("Handle TEvStateStorage::TEvListSchemeBoardResult"
+            << ": self# " << SelfId()
+            << ", sender# " << ev->Sender);
+
         const auto& info = ev->Get()->Info;
- 
+
         if (!info) {
-            SBP_LOG_E("Publish on unconfigured SchemeBoard" 
-                << ": self# " << SelfId() 
-                << ", StateStorage group# " << StateStorageGroup); 
-            Become(&TThis::StateCalm); 
-            return; 
-        } 
- 
+            SBP_LOG_E("Publish on unconfigured SchemeBoard"
+                << ": self# " << SelfId()
+                << ", StateStorage group# " << StateStorageGroup);
+            Become(&TThis::StateCalm);
+            return;
+        }
+
         GroupInfo = info;
-        for (auto& replica : info->SelectAllReplicas()) { 
-            IActor* replicaPopulator = new TReplicaPopulator(SelfId(), replica, Owner, Generation); 
-            ReplicaToReplicaPopulator.emplace(replica, Register(replicaPopulator, TMailboxType::ReadAsFilled)); 
-        } 
- 
+        for (auto& replica : info->SelectAllReplicas()) {
+            IActor* replicaPopulator = new TReplicaPopulator(SelfId(), replica, Owner, Generation);
+            ReplicaToReplicaPopulator.emplace(replica, Register(replicaPopulator, TMailboxType::ReadAsFilled));
+        }
+
         Become(&TThis::StateWork);
-        ReplayUpdates(DelayedUpdates); 
-    } 
- 
-    void Handle(TSchemeBoardMonEvents::TEvInfoRequest::TPtr& ev) { 
-        const auto limit = ev->Get()->Record.GetLimitRepeatedFields(); 
- 
-        auto response = MakeHolder<TSchemeBoardMonEvents::TEvInfoResponse>(SelfId(), ActorActivityType()); 
-        auto& record = *response->Record.MutablePopulatorResponse(); 
- 
-        record.SetOwner(Owner); 
-        record.SetGeneration(Generation); 
-        record.SetDescriptionsCount(Descriptions.size()); 
- 
-        record.MutableMaxPathId()->SetOwnerId(MaxPathId.OwnerId); 
-        record.MutableMaxPathId()->SetLocalPathId(MaxPathId.LocalPathId); 
- 
-        record.SetDelayedUpdatesCount(DelayedUpdates.size()); 
- 
-        for (const auto& [_, replicaPopulator] : ReplicaToReplicaPopulator) { 
-            ActorIdToProto(replicaPopulator, record.MutableReplicaPopulators()->Add()); 
-        } 
- 
-        for (const auto& [cookie, info] : UpdateAcks) { 
-            auto& updateAck = *record.AddUpdateAcks(); 
- 
-            updateAck.SetCookie(cookie); 
-            ActorIdToProto(info.AckTo, updateAck.MutableAckTo()); 
- 
-            for (const auto& [pathIdVersion, acksCount] : info.PathAcks) { 
-                auto& pathAck = *updateAck.AddPathAcks(); 
- 
-                pathAck.MutablePathId()->SetOwnerId(pathIdVersion.first.OwnerId); 
-                pathAck.MutablePathId()->SetLocalPathId(pathIdVersion.first.LocalPathId); 
- 
-                pathAck.SetVersion(pathIdVersion.second); 
-                pathAck.SetAcksCount(acksCount); 
-            } 
- 
-            if (record.UpdateAcksSize() >= limit) { 
-                response->SetTruncated(); 
-                break; 
-            } 
-        } 
- 
-        Send(ev->Sender, std::move(response), 0, ev->Cookie); 
-    } 
- 
-    void Handle(TSchemeBoardMonEvents::TEvDescribeRequest::TPtr& ev) { 
-        const auto& record = ev->Get()->Record; 
- 
-        TTwoPartDescription* desc = nullptr; 
-        if (record.HasPathId()) { 
-            desc = Descriptions.FindPtr(TPathId(record.GetPathId().GetOwnerId(), record.GetPathId().GetLocalPathId())); 
-        } 
- 
-        TString json; 
-        if (desc) { 
+        ReplayUpdates(DelayedUpdates);
+    }
+
+    void Handle(TSchemeBoardMonEvents::TEvInfoRequest::TPtr& ev) {
+        const auto limit = ev->Get()->Record.GetLimitRepeatedFields();
+
+        auto response = MakeHolder<TSchemeBoardMonEvents::TEvInfoResponse>(SelfId(), ActorActivityType());
+        auto& record = *response->Record.MutablePopulatorResponse();
+
+        record.SetOwner(Owner);
+        record.SetGeneration(Generation);
+        record.SetDescriptionsCount(Descriptions.size());
+
+        record.MutableMaxPathId()->SetOwnerId(MaxPathId.OwnerId);
+        record.MutableMaxPathId()->SetLocalPathId(MaxPathId.LocalPathId);
+
+        record.SetDelayedUpdatesCount(DelayedUpdates.size());
+
+        for (const auto& [_, replicaPopulator] : ReplicaToReplicaPopulator) {
+            ActorIdToProto(replicaPopulator, record.MutableReplicaPopulators()->Add());
+        }
+
+        for (const auto& [cookie, info] : UpdateAcks) {
+            auto& updateAck = *record.AddUpdateAcks();
+
+            updateAck.SetCookie(cookie);
+            ActorIdToProto(info.AckTo, updateAck.MutableAckTo());
+
+            for (const auto& [pathIdVersion, acksCount] : info.PathAcks) {
+                auto& pathAck = *updateAck.AddPathAcks();
+
+                pathAck.MutablePathId()->SetOwnerId(pathIdVersion.first.OwnerId);
+                pathAck.MutablePathId()->SetLocalPathId(pathIdVersion.first.LocalPathId);
+
+                pathAck.SetVersion(pathIdVersion.second);
+                pathAck.SetAcksCount(acksCount);
+            }
+
+            if (record.UpdateAcksSize() >= limit) {
+                response->SetTruncated();
+                break;
+            }
+        }
+
+        Send(ev->Sender, std::move(response), 0, ev->Cookie);
+    }
+
+    void Handle(TSchemeBoardMonEvents::TEvDescribeRequest::TPtr& ev) {
+        const auto& record = ev->Get()->Record;
+
+        TTwoPartDescription* desc = nullptr;
+        if (record.HasPathId()) {
+            desc = Descriptions.FindPtr(TPathId(record.GetPathId().GetOwnerId(), record.GetPathId().GetLocalPathId()));
+        }
+
+        TString json;
+        if (desc) {
             NKikimrScheme::TEvDescribeSchemeResult fullProto;
             Y_PROTOBUF_SUPPRESS_NODISCARD fullProto.ParseFromString(desc->PreSerialized);
-            fullProto.MergeFrom(desc->Record); 
- 
-            using namespace google::protobuf::util; 
- 
-            JsonPrintOptions opts; 
-            opts.preserve_proto_field_names = true; 
-            MessageToJsonString(fullProto, &json, opts); 
-        } else { 
-            json = "{}"; 
-        } 
- 
-        Send(ev->Sender, new TSchemeBoardMonEvents::TEvDescribeResponse(json), 0, ev->Cookie); 
-    } 
- 
-    void HandleUndelivered() { 
-        SBP_LOG_E("Publish on unavailable SchemeBoard" 
-            << ": self# " << SelfId() 
-            << ", StateStorage group# " << StateStorageGroup); 
-        Become(&TThis::StateCalm); 
-    } 
- 
-    void PassAway() override { 
-        for (const auto& x : ReplicaToReplicaPopulator) { 
-            Send(x.second, new TEvents::TEvPoisonPill()); 
-        } 
- 
-        TMonitorableActor::PassAway(); 
-    } 
- 
-    NJson::TJsonMap MonAttributes() const override { 
-        return { 
-            {"Owner", Owner}, 
-            {"Generation", Generation}, 
-        }; 
-    } 
- 
-public: 
+            fullProto.MergeFrom(desc->Record);
+
+            using namespace google::protobuf::util;
+
+            JsonPrintOptions opts;
+            opts.preserve_proto_field_names = true;
+            MessageToJsonString(fullProto, &json, opts);
+        } else {
+            json = "{}";
+        }
+
+        Send(ev->Sender, new TSchemeBoardMonEvents::TEvDescribeResponse(json), 0, ev->Cookie);
+    }
+
+    void HandleUndelivered() {
+        SBP_LOG_E("Publish on unavailable SchemeBoard"
+            << ": self# " << SelfId()
+            << ", StateStorage group# " << StateStorageGroup);
+        Become(&TThis::StateCalm);
+    }
+
+    void PassAway() override {
+        for (const auto& x : ReplicaToReplicaPopulator) {
+            Send(x.second, new TEvents::TEvPoisonPill());
+        }
+
+        TMonitorableActor::PassAway();
+    }
+
+    NJson::TJsonMap MonAttributes() const override {
+        return {
+            {"Owner", Owner},
+            {"Generation", Generation},
+        };
+    }
+
+public:
     static constexpr NKikimrServices::TActivity::EType ActorActivityType() {
         return NKikimrServices::TActivity::SCHEME_BOARD_POPULATOR_ACTOR;
-    } 
- 
-    explicit TPopulator( 
-            const ui64 owner, 
-            const ui64 generation, 
+    }
+
+    explicit TPopulator(
+            const ui64 owner,
+            const ui64 generation,
             const ui32 ssId,
-            TMap<TPathId, TTwoPartDescription> descriptions, 
-            const ui64 maxPathId) 
-        : Owner(owner) 
-        , Generation(generation) 
+            TMap<TPathId, TTwoPartDescription> descriptions,
+            const ui64 maxPathId)
+        : Owner(owner)
+        , Generation(generation)
         , StateStorageGroup(ssId)
-        , Descriptions(std::move(descriptions)) 
+        , Descriptions(std::move(descriptions))
         , MaxPathId(TPathId(owner, maxPathId))
-    { 
-    } 
- 
-    void Bootstrap() { 
-        TMonitorableActor::Bootstrap(); 
- 
+    {
+    }
+
+    void Bootstrap() {
+        TMonitorableActor::Bootstrap();
+
         const TActorId proxy = MakeStateStorageProxyID(StateStorageGroup);
-        Send(proxy, new TEvStateStorage::TEvListSchemeBoard(), IEventHandle::FlagTrackDelivery); 
-        Become(&TThis::StateResolve); 
-    } 
- 
-    STATEFN(StateResolve) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvStateStorage::TEvListSchemeBoardResult, Handle); 
- 
+        Send(proxy, new TEvStateStorage::TEvListSchemeBoard(), IEventHandle::FlagTrackDelivery);
+        Become(&TThis::StateResolve);
+    }
+
+    STATEFN(StateResolve) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvStateStorage::TEvListSchemeBoardResult, Handle);
+
             hFunc(NSchemeShard::TEvSchemeShard::TEvDescribeSchemeResult, DelayUpdate);
- 
-            hFunc(TSchemeBoardMonEvents::TEvInfoRequest, Handle); 
-            hFunc(TSchemeBoardMonEvents::TEvDescribeRequest, Handle); 
- 
-            cFunc(TEvents::TEvUndelivered::EventType, HandleUndelivered); 
-            cFunc(TEvents::TEvPoisonPill::EventType, PassAway); 
-        } 
-    } 
- 
-    STATEFN(StateWork) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TSchemeBoardEvents::TEvRequestDescribe, Handle); 
-            hFunc(TSchemeBoardEvents::TEvRequestUpdate, Handle); 
- 
+
+            hFunc(TSchemeBoardMonEvents::TEvInfoRequest, Handle);
+            hFunc(TSchemeBoardMonEvents::TEvDescribeRequest, Handle);
+
+            cFunc(TEvents::TEvUndelivered::EventType, HandleUndelivered);
+            cFunc(TEvents::TEvPoisonPill::EventType, PassAway);
+        }
+    }
+
+    STATEFN(StateWork) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TSchemeBoardEvents::TEvRequestDescribe, Handle);
+            hFunc(TSchemeBoardEvents::TEvRequestUpdate, Handle);
+
             hFunc(NSchemeShard::TEvSchemeShard::TEvDescribeSchemeResult, Handle);
-            hFunc(TSchemeBoardEvents::TEvUpdateAck, Handle); 
- 
-            hFunc(TSchemeBoardMonEvents::TEvInfoRequest, Handle); 
-            hFunc(TSchemeBoardMonEvents::TEvDescribeRequest, Handle); 
- 
-            cFunc(TEvents::TEvPoisonPill::EventType, PassAway); 
-        } 
-    } 
- 
-    STATEFN(StateCalm) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TSchemeBoardMonEvents::TEvInfoRequest, Handle); 
-            hFunc(TSchemeBoardMonEvents::TEvDescribeRequest, Handle); 
- 
-            cFunc(TEvents::TEvPoisonPill::EventType, PassAway); 
-        } 
-    } 
- 
-private: 
-    const ui64 Owner; 
-    const ui64 Generation; 
-    const ui64 StateStorageGroup; 
- 
-    TMap<TPathId, TTwoPartDescription> Descriptions; 
+            hFunc(TSchemeBoardEvents::TEvUpdateAck, Handle);
+
+            hFunc(TSchemeBoardMonEvents::TEvInfoRequest, Handle);
+            hFunc(TSchemeBoardMonEvents::TEvDescribeRequest, Handle);
+
+            cFunc(TEvents::TEvPoisonPill::EventType, PassAway);
+        }
+    }
+
+    STATEFN(StateCalm) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TSchemeBoardMonEvents::TEvInfoRequest, Handle);
+            hFunc(TSchemeBoardMonEvents::TEvDescribeRequest, Handle);
+
+            cFunc(TEvents::TEvPoisonPill::EventType, PassAway);
+        }
+    }
+
+private:
+    const ui64 Owner;
+    const ui64 Generation;
+    const ui64 StateStorageGroup;
+
+    TMap<TPathId, TTwoPartDescription> Descriptions;
     TPathId MaxPathId;
- 
-    TDelayedUpdates DelayedUpdates; 
- 
+
+    TDelayedUpdates DelayedUpdates;
+
     TIntrusiveConstPtr<TStateStorageInfo> GroupInfo;
     THashMap<TActorId, TActorId> ReplicaToReplicaPopulator;
- 
+
     TVector<TActorId> SelectionReplicaCache;
- 
-    struct TUpdateAckInfo { 
+
+    struct TUpdateAckInfo {
         TActorId AckTo;
         TMap<std::pair<TPathId, ui64>, ui32> PathAcks;
-    }; 
- 
+    };
+
     THashMap<ui64, TUpdateAckInfo> UpdateAcks; // ui64 is a cookie
- 
-}; // TPopulator 
- 
-} // NSchemeBoard 
- 
-IActor* CreateSchemeBoardPopulator( 
-    const ui64 owner, 
-    const ui64 generation, 
+
+}; // TPopulator
+
+} // NSchemeBoard
+
+IActor* CreateSchemeBoardPopulator(
+    const ui64 owner,
+    const ui64 generation,
     const ui32 ssId,
-    TMap<TPathId, NSchemeBoard::TTwoPartDescription> descriptions, 
-    const ui64 maxPathId 
-) { 
+    TMap<TPathId, NSchemeBoard::TTwoPartDescription> descriptions,
+    const ui64 maxPathId
+) {
     return new NSchemeBoard::TPopulator(owner, generation, ssId, std::move(descriptions), maxPathId);
-} 
- 
-} // NKikimr 
+}
+
+} // NKikimr
diff --git a/ydb/core/tx/scheme_board/populator.h b/ydb/core/tx/scheme_board/populator.h
index f6f389549b..8105c56ba4 100644
--- a/ydb/core/tx/scheme_board/populator.h
+++ b/ydb/core/tx/scheme_board/populator.h
@@ -1,20 +1,20 @@
-#pragma once 
- 
-#include "defs.h" 
-#include "two_part_description.h" 
- 
+#pragma once
+
+#include "defs.h"
+#include "two_part_description.h"
+
 #include <ydb/core/base/pathid.h>
- 
-#include <util/generic/map.h> 
- 
-namespace NKikimr { 
- 
-IActor* CreateSchemeBoardPopulator( 
-    const ui64 owner, 
-    const ui64 generation, 
+
+#include <util/generic/map.h>
+
+namespace NKikimr {
+
+IActor* CreateSchemeBoardPopulator(
+    const ui64 owner,
+    const ui64 generation,
     const ui32 schemeBoardSSId,
-    TMap<TPathId, NSchemeBoard::TTwoPartDescription> descriptions, 
-    const ui64 maxPathId 
-); 
- 
-} // NKikimr 
+    TMap<TPathId, NSchemeBoard::TTwoPartDescription> descriptions,
+    const ui64 maxPathId
+);
+
+} // NKikimr
diff --git a/ydb/core/tx/scheme_board/populator_ut.cpp b/ydb/core/tx/scheme_board/populator_ut.cpp
index 590f35b5f2..c0eb1cb62f 100644
--- a/ydb/core/tx/scheme_board/populator_ut.cpp
+++ b/ydb/core/tx/scheme_board/populator_ut.cpp
@@ -1,130 +1,130 @@
-#include "events.h" 
-#include "ut_helpers.h" 
- 
+#include "events.h"
+#include "ut_helpers.h"
+
 #include <ydb/core/base/pathid.h>
 #include <ydb/core/base/tablet_types.h>
 #include <ydb/core/protos/services.pb.h>
 #include <ydb/core/tx/schemeshard/ut_helpers/helpers.h>
- 
+
 #include <library/cpp/actors/core/log.h>
 #include <library/cpp/testing/unittest/registar.h>
- 
-#include <util/generic/map.h> 
- 
-namespace NKikimr { 
-namespace NSchemeBoard { 
- 
-using namespace NSchemeShardUT_Private; 
- 
-class TPopulatorTest: public TTestWithSchemeshard { 
-public: 
-    void SetUp() override { 
-        TTestWithSchemeshard::SetUp(); 
-        Context->SetLogPriority(NKikimrServices::SCHEME_BOARD_POPULATOR, NLog::PRI_DEBUG); 
-    } 
- 
-    UNIT_TEST_SUITE(TPopulatorTest); 
-    UNIT_TEST(Boot); 
-    UNIT_TEST(MakeDir); 
-    UNIT_TEST(RemoveDir); 
-    UNIT_TEST_SUITE_END(); 
- 
-    void Boot() { 
+
+#include <util/generic/map.h>
+
+namespace NKikimr {
+namespace NSchemeBoard {
+
+using namespace NSchemeShardUT_Private;
+
+class TPopulatorTest: public TTestWithSchemeshard {
+public:
+    void SetUp() override {
+        TTestWithSchemeshard::SetUp();
+        Context->SetLogPriority(NKikimrServices::SCHEME_BOARD_POPULATOR, NLog::PRI_DEBUG);
+    }
+
+    UNIT_TEST_SUITE(TPopulatorTest);
+    UNIT_TEST(Boot);
+    UNIT_TEST(MakeDir);
+    UNIT_TEST(RemoveDir);
+    UNIT_TEST_SUITE_END();
+
+    void Boot() {
         const TActorId edge = Context->AllocateEdgeActor();
- 
+
         NKikimr::TPathId rootPathId(TTestTxConfig::SchemeShard, RootPathId);
- 
-        Context->CreateSubscriber(edge, rootPathId); 
-        auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotifyUpdate>(edge); 
- 
-        UNIT_ASSERT(ev->Get()); 
-        UNIT_ASSERT_VALUES_EQUAL("/Root", ev->Get()->Path); 
-        UNIT_ASSERT_VALUES_EQUAL(rootPathId, ev->Get()->PathId); 
-    } 
- 
-    void MakeDir() { 
+
+        Context->CreateSubscriber(edge, rootPathId);
+        auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotifyUpdate>(edge);
+
+        UNIT_ASSERT(ev->Get());
+        UNIT_ASSERT_VALUES_EQUAL("/Root", ev->Get()->Path);
+        UNIT_ASSERT_VALUES_EQUAL(rootPathId, ev->Get()->PathId);
+    }
+
+    void MakeDir() {
         const TActorId edge = Context->AllocateEdgeActor();
- 
-        TestMkDir(*Context, 100, "/Root", "DirA"); 
-        auto describe = DescribePath(*Context, "/Root/DirA"); 
- 
+
+        TestMkDir(*Context, 100, "/Root", "DirA");
+        auto describe = DescribePath(*Context, "/Root/DirA");
+
         NKikimr::TPathId pathId(TTestTxConfig::SchemeShard, describe.GetPathId());
- 
-        Context->CreateSubscriber(edge, pathId); 
-        auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotifyUpdate>(edge); 
- 
-        UNIT_ASSERT(ev->Get()); 
-        UNIT_ASSERT_VALUES_EQUAL(describe.GetPath(), ev->Get()->Path); 
-        UNIT_ASSERT_VALUES_EQUAL(pathId, ev->Get()->PathId); 
-    } 
- 
-    void RemoveDir() { 
+
+        Context->CreateSubscriber(edge, pathId);
+        auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotifyUpdate>(edge);
+
+        UNIT_ASSERT(ev->Get());
+        UNIT_ASSERT_VALUES_EQUAL(describe.GetPath(), ev->Get()->Path);
+        UNIT_ASSERT_VALUES_EQUAL(pathId, ev->Get()->PathId);
+    }
+
+    void RemoveDir() {
         const TActorId edge = Context->AllocateEdgeActor();
- 
-        TestMkDir(*Context, 100, "/Root", "DirB"); 
-        auto describe = DescribePath(*Context, "/Root/DirB"); 
- 
+
+        TestMkDir(*Context, 100, "/Root", "DirB");
+        auto describe = DescribePath(*Context, "/Root/DirB");
+
         NKikimr::TPathId pathId(TTestTxConfig::SchemeShard, describe.GetPathId());
- 
-        Context->CreateSubscriber<TSchemeBoardEvents::TEvNotifyUpdate>(edge, pathId); 
-        TestRmDir(*Context, 101, "/Root", "DirB"); 
-        auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotifyDelete>(edge); 
- 
-        UNIT_ASSERT(ev->Get()); 
-        UNIT_ASSERT_VALUES_EQUAL(describe.GetPath(), ev->Get()->Path); 
-        UNIT_ASSERT_VALUES_EQUAL(pathId, ev->Get()->PathId); 
-    } 
- 
-}; // TPopulatorTest 
- 
-class TPopulatorTestWithResets: public TTestWithSchemeshard { 
-public: 
-    void SetUp() override { 
-        TTestWithSchemeshard::SetUp(); 
-        Context->SetLogPriority(NKikimrServices::SCHEME_BOARD_POPULATOR, NLog::PRI_DEBUG); 
-    } 
- 
-    TTestContext::TEventObserver ObserverFunc() override { 
-        return [this](TTestActorRuntimeBase& runtime, TAutoPtr<IEventHandle>& ev) { 
-            switch (ev->GetTypeRewrite()) { 
-            case TSchemeBoardEvents::EvHandshakeRequest: 
-                ReplicaPopulators.emplace(ev->Sender, false); 
-                runtime.EnableScheduleForActor(ev->Sender, true); 
-                break; 
- 
-            case TSchemeBoardEvents::EvUpdateAck: 
-                auto it = ReplicaPopulators.find(ev->Recipient); 
-                if (DropFirstAcks && it != ReplicaPopulators.end() && !it->second) { 
-                    it->second = true; 
-                    runtime.Send(new IEventHandle(ev->Recipient, ev->Sender, new TEvInterconnect::TEvNodeDisconnected(ev->Sender.NodeId()))); 
- 
-                    return TTestContext::EEventAction::DROP; 
-                } 
-                break; 
-            } 
- 
-            return TTestContext::EEventAction::PROCESS; 
-        }; 
-    } 
- 
-    UNIT_TEST_SUITE(TPopulatorTestWithResets); 
-    UNIT_TEST(UpdateAck); 
-    UNIT_TEST_SUITE_END(); 
- 
-    void UpdateAck() { 
-        DropFirstAcks = true; 
-        TestMkDir(*Context, 100, "/Root", "DirC"); 
+
+        Context->CreateSubscriber<TSchemeBoardEvents::TEvNotifyUpdate>(edge, pathId);
+        TestRmDir(*Context, 101, "/Root", "DirB");
+        auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotifyDelete>(edge);
+
+        UNIT_ASSERT(ev->Get());
+        UNIT_ASSERT_VALUES_EQUAL(describe.GetPath(), ev->Get()->Path);
+        UNIT_ASSERT_VALUES_EQUAL(pathId, ev->Get()->PathId);
+    }
+
+}; // TPopulatorTest
+
+class TPopulatorTestWithResets: public TTestWithSchemeshard {
+public:
+    void SetUp() override {
+        TTestWithSchemeshard::SetUp();
+        Context->SetLogPriority(NKikimrServices::SCHEME_BOARD_POPULATOR, NLog::PRI_DEBUG);
+    }
+
+    TTestContext::TEventObserver ObserverFunc() override {
+        return [this](TTestActorRuntimeBase& runtime, TAutoPtr<IEventHandle>& ev) {
+            switch (ev->GetTypeRewrite()) {
+            case TSchemeBoardEvents::EvHandshakeRequest:
+                ReplicaPopulators.emplace(ev->Sender, false);
+                runtime.EnableScheduleForActor(ev->Sender, true);
+                break;
+
+            case TSchemeBoardEvents::EvUpdateAck:
+                auto it = ReplicaPopulators.find(ev->Recipient);
+                if (DropFirstAcks && it != ReplicaPopulators.end() && !it->second) {
+                    it->second = true;
+                    runtime.Send(new IEventHandle(ev->Recipient, ev->Sender, new TEvInterconnect::TEvNodeDisconnected(ev->Sender.NodeId())));
+
+                    return TTestContext::EEventAction::DROP;
+                }
+                break;
+            }
+
+            return TTestContext::EEventAction::PROCESS;
+        };
+    }
+
+    UNIT_TEST_SUITE(TPopulatorTestWithResets);
+    UNIT_TEST(UpdateAck);
+    UNIT_TEST_SUITE_END();
+
+    void UpdateAck() {
+        DropFirstAcks = true;
+        TestMkDir(*Context, 100, "/Root", "DirC");
         TestWaitNotification(*Context, {100}, CreateNotificationSubscriber(*Context, TTestTxConfig::SchemeShard));
-    } 
- 
-private: 
+    }
+
+private:
     TMap<TActorId, bool> ReplicaPopulators;
-    bool DropFirstAcks = false; 
- 
-}; // TPopulatorTestWithResets 
- 
-UNIT_TEST_SUITE_REGISTRATION(TPopulatorTest); 
-UNIT_TEST_SUITE_REGISTRATION(TPopulatorTestWithResets); 
- 
-} // NSchemeBoard 
-} // NKikimr 
+    bool DropFirstAcks = false;
+
+}; // TPopulatorTestWithResets
+
+UNIT_TEST_SUITE_REGISTRATION(TPopulatorTest);
+UNIT_TEST_SUITE_REGISTRATION(TPopulatorTestWithResets);
+
+} // NSchemeBoard
+} // NKikimr
diff --git a/ydb/core/tx/scheme_board/replica.cpp b/ydb/core/tx/scheme_board/replica.cpp
index f51d765a9c..638656e91d 100644
--- a/ydb/core/tx/scheme_board/replica.cpp
+++ b/ydb/core/tx/scheme_board/replica.cpp
@@ -1,171 +1,171 @@
-#include "double_indexed.h" 
-#include "events.h" 
-#include "helpers.h" 
-#include "monitorable_actor.h" 
-#include "replica.h" 
- 
-#include <contrib/libs/protobuf/src/google/protobuf/util/json_util.h> 
- 
+#include "double_indexed.h"
+#include "events.h"
+#include "helpers.h"
+#include "monitorable_actor.h"
+#include "replica.h"
+
+#include <contrib/libs/protobuf/src/google/protobuf/util/json_util.h>
+
 #include <ydb/core/protos/flat_tx_scheme.pb.h>
 #include <ydb/core/protos/services.pb.h>
 #include <ydb/core/util/yverify_stream.h>
- 
+
 #include <library/cpp/actors/core/hfunc.h>
 #include <library/cpp/actors/core/interconnect.h>
 #include <library/cpp/actors/core/log.h>
 #include <library/cpp/actors/core/memory_track.h>
- 
-#include <util/generic/hash.h> 
-#include <util/generic/map.h> 
-#include <util/generic/maybe.h> 
-#include <util/generic/ptr.h> 
-#include <util/generic/string.h> 
-#include <util/generic/variant.h> 
-#include <util/string/builder.h> 
- 
-namespace NKikimr { 
-namespace NSchemeBoard { 
- 
-#define SBR_LOG_T(stream) SB_LOG_T(SCHEME_BOARD_REPLICA, stream) 
-#define SBR_LOG_D(stream) SB_LOG_D(SCHEME_BOARD_REPLICA, stream) 
-#define SBR_LOG_I(stream) SB_LOG_I(SCHEME_BOARD_REPLICA, stream) 
-#define SBR_LOG_N(stream) SB_LOG_N(SCHEME_BOARD_REPLICA, stream) 
-#define SBR_LOG_E(stream) SB_LOG_E(SCHEME_BOARD_REPLICA, stream) 
- 
-class TReplica: public TMonitorableActor<TReplica> { 
+
+#include <util/generic/hash.h>
+#include <util/generic/map.h>
+#include <util/generic/maybe.h>
+#include <util/generic/ptr.h>
+#include <util/generic/string.h>
+#include <util/generic/variant.h>
+#include <util/string/builder.h>
+
+namespace NKikimr {
+namespace NSchemeBoard {
+
+#define SBR_LOG_T(stream) SB_LOG_T(SCHEME_BOARD_REPLICA, stream)
+#define SBR_LOG_D(stream) SB_LOG_D(SCHEME_BOARD_REPLICA, stream)
+#define SBR_LOG_I(stream) SB_LOG_I(SCHEME_BOARD_REPLICA, stream)
+#define SBR_LOG_N(stream) SB_LOG_N(SCHEME_BOARD_REPLICA, stream)
+#define SBR_LOG_E(stream) SB_LOG_E(SCHEME_BOARD_REPLICA, stream)
+
+class TReplica: public TMonitorableActor<TReplica> {
     using TDescribeSchemeResult = NKikimrScheme::TEvDescribeSchemeResult;
-    using TCapabilities = NKikimrSchemeBoard::TEvSubscribe::TCapabilities; 
- 
-public: 
-    enum ESubscriptionType { 
-        SUBSCRIPTION_UNSPECIFIED, // for filtration 
-        SUBSCRIPTION_BY_PATH, 
-        SUBSCRIPTION_BY_PATH_ID, 
-    }; 
- 
-private: 
-    class TSubscriberInfo { 
-    public: 
-        explicit TSubscriberInfo(ESubscriptionType type, ui64 domainOwnerId, const TCapabilities& capabilities) 
-            : Type(type) 
-            , DomainOwnerId(domainOwnerId) 
-            , Capabilities(capabilities) 
-            , WaitForAck(false) 
-            , LastVersionSent(0) 
-            , NotifiedStrongly(true) 
+    using TCapabilities = NKikimrSchemeBoard::TEvSubscribe::TCapabilities;
+
+public:
+    enum ESubscriptionType {
+        SUBSCRIPTION_UNSPECIFIED, // for filtration
+        SUBSCRIPTION_BY_PATH,
+        SUBSCRIPTION_BY_PATH_ID,
+    };
+
+private:
+    class TSubscriberInfo {
+    public:
+        explicit TSubscriberInfo(ESubscriptionType type, ui64 domainOwnerId, const TCapabilities& capabilities)
+            : Type(type)
+            , DomainOwnerId(domainOwnerId)
+            , Capabilities(capabilities)
+            , WaitForAck(false)
+            , LastVersionSent(0)
+            , NotifiedStrongly(true)
             , SyncRequestCookie(0)
-            , SyncResponseCookie(0) 
-        { 
-        } 
- 
-        ESubscriptionType GetType() const { 
-            return Type; 
-        } 
- 
-        ui64 GetDomainOwnerId() const { 
-            return DomainOwnerId; 
-        } 
- 
-        const TCapabilities& GetCapabilities() const { 
-            return Capabilities; 
-        } 
- 
-        bool EnqueueVersion(ui64 version, bool strong) { 
-            if (!Capabilities.GetAckNotifications()) { 
-                NotifiedStrongly = strong; 
-                return true; 
-            } 
- 
-            if (WaitForAck) { 
-                return false; 
-            } 
- 
-            WaitForAck = true; 
-            LastVersionSent = version; 
-            NotifiedStrongly = strong; 
-            return true; 
-        } 
- 
-        bool EnqueueVersion(const TSchemeBoardEvents::TEvNotifyBuilder* notify) { 
-            const auto& record = notify->Record; 
-            return EnqueueVersion(record.GetVersion(), record.GetStrong()); 
-        } 
- 
-        bool AckVersion(ui64 version) { 
-            if (LastVersionSent > version) { 
-                return false; 
-            } 
- 
-            WaitForAck = false; 
-            return true; 
-        } 
- 
-        bool IsWaitForAck() const { 
-            return WaitForAck; 
-        } 
- 
-        void NeedStrongNotification() { 
-            NotifiedStrongly = false; 
-        } 
- 
-        bool IsNotifiedStrongly() const { 
-            return NotifiedStrongly; 
-        } 
- 
-        bool EnqueueSyncRequest(ui64 cookie) { 
-            if (cookie <= SyncRequestCookie) { 
-                return false; 
-            } 
- 
-            SyncRequestCookie = cookie; 
-            return true; 
-        } 
- 
-        TMaybe<ui64> ProcessSyncRequest() { 
-            if (SyncRequestCookie == SyncResponseCookie) { 
-                return Nothing(); 
-            } 
- 
-            SyncResponseCookie = SyncRequestCookie; 
-            return SyncResponseCookie; 
-        } 
- 
-    private: 
-        const ESubscriptionType Type; 
-        const ui64 DomainOwnerId; 
-        const TCapabilities Capabilities; 
- 
-        bool WaitForAck; 
-        ui64 LastVersionSent; 
-        bool NotifiedStrongly; 
- 
-        ui64 SyncRequestCookie; 
-        ui64 SyncResponseCookie; 
-    }; 
- 
-public: 
-    class TDescription { 
+            , SyncResponseCookie(0)
+        {
+        }
+
+        ESubscriptionType GetType() const {
+            return Type;
+        }
+
+        ui64 GetDomainOwnerId() const {
+            return DomainOwnerId;
+        }
+
+        const TCapabilities& GetCapabilities() const {
+            return Capabilities;
+        }
+
+        bool EnqueueVersion(ui64 version, bool strong) {
+            if (!Capabilities.GetAckNotifications()) {
+                NotifiedStrongly = strong;
+                return true;
+            }
+
+            if (WaitForAck) {
+                return false;
+            }
+
+            WaitForAck = true;
+            LastVersionSent = version;
+            NotifiedStrongly = strong;
+            return true;
+        }
+
+        bool EnqueueVersion(const TSchemeBoardEvents::TEvNotifyBuilder* notify) {
+            const auto& record = notify->Record;
+            return EnqueueVersion(record.GetVersion(), record.GetStrong());
+        }
+
+        bool AckVersion(ui64 version) {
+            if (LastVersionSent > version) {
+                return false;
+            }
+
+            WaitForAck = false;
+            return true;
+        }
+
+        bool IsWaitForAck() const {
+            return WaitForAck;
+        }
+
+        void NeedStrongNotification() {
+            NotifiedStrongly = false;
+        }
+
+        bool IsNotifiedStrongly() const {
+            return NotifiedStrongly;
+        }
+
+        bool EnqueueSyncRequest(ui64 cookie) {
+            if (cookie <= SyncRequestCookie) {
+                return false;
+            }
+
+            SyncRequestCookie = cookie;
+            return true;
+        }
+
+        TMaybe<ui64> ProcessSyncRequest() {
+            if (SyncRequestCookie == SyncResponseCookie) {
+                return Nothing();
+            }
+
+            SyncResponseCookie = SyncRequestCookie;
+            return SyncResponseCookie;
+        }
+
+    private:
+        const ESubscriptionType Type;
+        const ui64 DomainOwnerId;
+        const TCapabilities Capabilities;
+
+        bool WaitForAck;
+        ui64 LastVersionSent;
+        bool NotifiedStrongly;
+
+        ui64 SyncRequestCookie;
+        ui64 SyncResponseCookie;
+    };
+
+public:
+    class TDescription {
         static constexpr char MemoryLabelDescribeResult[] = "SchemeBoard/Replica/DescribeSchemeResult";
 
-        void Notify() { 
-            if (!Subscribers) { 
-                return; 
-            } 
- 
-            auto notify = BuildNotify(); 
+        void Notify() {
+            if (!Subscribers) {
+                return;
+            }
+
+            auto notify = BuildNotify();
             TVector<const TActorId*> subscribers(Reserve(Subscribers.size()));
- 
-            for (auto& [subscriber, info] : Subscribers) { 
-                if (!info.EnqueueVersion(notify.Get())) { 
-                    continue; 
-                } 
- 
-                subscribers.push_back(&subscriber); 
-            } 
- 
-            MultiSend(subscribers, Owner->SelfId(), std::move(notify)); 
-        } 
- 
+
+            for (auto& [subscriber, info] : Subscribers) {
+                if (!info.EnqueueVersion(notify.Get())) {
+                    continue;
+                }
+
+                subscribers.push_back(&subscriber);
+            }
+
+            MultiSend(subscribers, Owner->SelfId(), std::move(notify));
+        }
+
         void CalculateResultSize() {
             ResultSize = DescribeSchemeResult.ByteSizeLong();
         }
@@ -206,22 +206,22 @@ public:
             other.TrackMemory();
         }
 
-    public: 
-        explicit TDescription(TReplica* owner, const TString& path) 
-            : Owner(owner) 
-            , Path(path) 
-        { 
+    public:
+        explicit TDescription(TReplica* owner, const TString& path)
+            : Owner(owner)
+            , Path(path)
+        {
             TrackMemory();
-        } 
- 
-        explicit TDescription(TReplica* owner, const TPathId& pathId) 
-            : Owner(owner) 
-            , PathId(pathId) 
-        { 
+        }
+
+        explicit TDescription(TReplica* owner, const TPathId& pathId)
+            : Owner(owner)
+            , PathId(pathId)
+        {
             TrackMemory();
-        } 
- 
-        explicit TDescription(TReplica* owner, const TString& path, const TPathId& pathId) 
+        }
+
+        explicit TDescription(TReplica* owner, const TString& path, const TPathId& pathId)
             : Owner(owner)
             , Path(path)
             , PathId(pathId)
@@ -230,10 +230,10 @@ public:
         }
 
         explicit TDescription(
-                TReplica* owner, 
-                const TPathId& pathId, 
-                TDescribeSchemeResult&& describeSchemeResult) 
-            : Owner(owner) 
+                TReplica* owner,
+                const TPathId& pathId,
+                TDescribeSchemeResult&& describeSchemeResult)
+            : Owner(owner)
             , PathId(pathId)
             , DescribeSchemeResult(std::move(describeSchemeResult))
         {
@@ -242,19 +242,19 @@ public:
         }
 
         explicit TDescription(
-                TReplica* owner, 
+                TReplica* owner,
                 const TString& path,
                 const TPathId& pathId,
                 TDescribeSchemeResult&& describeSchemeResult)
             : Owner(owner)
-            , Path(path) 
-            , PathId(pathId) 
-            , DescribeSchemeResult(std::move(describeSchemeResult)) 
-        { 
+            , Path(path)
+            , PathId(pathId)
+            , DescribeSchemeResult(std::move(describeSchemeResult))
+        {
             CalculateResultSize();
             TrackMemory();
-        } 
- 
+        }
+
         TDescription(TDescription&& other) {
             TrackMemory();
             Move(std::move(other));
@@ -273,61 +273,61 @@ public:
             UntrackMemory();
         }
 
-        bool operator<(const TDescription& other) const { 
-            return GetVersion() < other.GetVersion(); 
-        } 
- 
-        bool operator>(const TDescription& other) const { 
-            return other < *this; 
-        } 
- 
-        TDescription& Merge(TDescription&& other) noexcept { 
-            Y_VERIFY(Owner == other.Owner); 
- 
-            if (!Path) { 
-                Path = other.Path; 
-            } 
- 
-            Y_VERIFY_S(!other.Path || Path == other.Path, "Descriptions" 
-                << ": self# " << ToString() 
-                << ", other# " << other.ToString()); 
- 
-            if (!PathId) { 
-                PathId = other.PathId; 
-            } 
- 
-            Y_VERIFY_S(!other.PathId || PathId == other.PathId, "Descriptions" 
-                << ": self# " << ToString() 
-                << ", other# " << other.ToString()); 
- 
+        bool operator<(const TDescription& other) const {
+            return GetVersion() < other.GetVersion();
+        }
+
+        bool operator>(const TDescription& other) const {
+            return other < *this;
+        }
+
+        TDescription& Merge(TDescription&& other) noexcept {
+            Y_VERIFY(Owner == other.Owner);
+
+            if (!Path) {
+                Path = other.Path;
+            }
+
+            Y_VERIFY_S(!other.Path || Path == other.Path, "Descriptions"
+                << ": self# " << ToString()
+                << ", other# " << other.ToString());
+
+            if (!PathId) {
+                PathId = other.PathId;
+            }
+
+            Y_VERIFY_S(!other.PathId || PathId == other.PathId, "Descriptions"
+                << ": self# " << ToString()
+                << ", other# " << other.ToString());
+
             SBR_LOG_T("Merge descriptions"
-                << ": self# " << Owner->SelfId() 
-                << ", left path# " << Path 
-                << ", left pathId# " << PathId 
-                << ", left version# " << GetVersion() 
-                << ", rigth path# " << other.Path 
-                << ", rigth pathId# " << other.PathId 
-                << ", rigth version# " << other.GetVersion()); 
+                << ": self# " << Owner->SelfId()
+                << ", left path# " << Path
+                << ", left pathId# " << PathId
+                << ", left version# " << GetVersion()
+                << ", rigth path# " << other.Path
+                << ", rigth pathId# " << other.PathId
+                << ", rigth version# " << other.GetVersion());
 
             UntrackMemory();
             other.UntrackMemory();
             TrackNotify = false;
             other.TrackNotify = false;
 
-            if (*this > other) { 
-                other.DescribeSchemeResult.Swap(&DescribeSchemeResult); 
-                other.PreSerializedDescribeSchemeResult.Clear(); 
-                other.ExplicitlyDeleted = ExplicitlyDeleted; 
-                other.Notify(); 
-                DescribeSchemeResult.Swap(&other.DescribeSchemeResult); 
-                other.PreSerializedDescribeSchemeResult.Clear(); 
-            } else if (*this < other) { 
-                DescribeSchemeResult = std::move(other.DescribeSchemeResult); 
-                PreSerializedDescribeSchemeResult.Clear(); 
-                ExplicitlyDeleted = other.ExplicitlyDeleted; 
-                Notify(); 
-            } 
- 
+            if (*this > other) {
+                other.DescribeSchemeResult.Swap(&DescribeSchemeResult);
+                other.PreSerializedDescribeSchemeResult.Clear();
+                other.ExplicitlyDeleted = ExplicitlyDeleted;
+                other.Notify();
+                DescribeSchemeResult.Swap(&other.DescribeSchemeResult);
+                other.PreSerializedDescribeSchemeResult.Clear();
+            } else if (*this < other) {
+                DescribeSchemeResult = std::move(other.DescribeSchemeResult);
+                PreSerializedDescribeSchemeResult.Clear();
+                ExplicitlyDeleted = other.ExplicitlyDeleted;
+                Notify();
+            }
+
             CalculateResultSize();
             other.CalculateResultSize();
 
@@ -336,44 +336,44 @@ public:
             TrackMemory();
             other.TrackMemory();
 
-            Subscribers.insert(other.Subscribers.begin(), other.Subscribers.end()); 
- 
-            return *this; 
-        } 
- 
-        const TDescribeSchemeResult& GetProto() const { 
-            return DescribeSchemeResult; 
-        } 
- 
-        TString ToString() const { 
-            return TStringBuilder() << "{" 
-                << " Path# " << Path 
-                << " PathId# " << PathId 
-                << " DescribeSchemeResult# " << DescribeSchemeResult.ShortDebugString() 
-                << " ExplicitlyDeleted# " << (ExplicitlyDeleted ? "true" : "false") 
-            << " }"; 
-        } 
- 
-        const TString& GetPath() const { 
-            return Path; 
-        } 
- 
-        const TPathId& GetPathId() const { 
-            return PathId; 
-        } 
- 
-        bool IsExplicitlyDeleted() const { 
-            return ExplicitlyDeleted; 
-        } 
- 
-        ui64 GetVersion() const { 
-            if (ExplicitlyDeleted) { 
-                return Max<ui64>(); 
-            } 
- 
-            return ::NKikimr::NSchemeBoard::GetPathVersion(DescribeSchemeResult); 
-        } 
- 
+            Subscribers.insert(other.Subscribers.begin(), other.Subscribers.end());
+
+            return *this;
+        }
+
+        const TDescribeSchemeResult& GetProto() const {
+            return DescribeSchemeResult;
+        }
+
+        TString ToString() const {
+            return TStringBuilder() << "{"
+                << " Path# " << Path
+                << " PathId# " << PathId
+                << " DescribeSchemeResult# " << DescribeSchemeResult.ShortDebugString()
+                << " ExplicitlyDeleted# " << (ExplicitlyDeleted ? "true" : "false")
+            << " }";
+        }
+
+        const TString& GetPath() const {
+            return Path;
+        }
+
+        const TPathId& GetPathId() const {
+            return PathId;
+        }
+
+        bool IsExplicitlyDeleted() const {
+            return ExplicitlyDeleted;
+        }
+
+        ui64 GetVersion() const {
+            if (ExplicitlyDeleted) {
+                return Max<ui64>();
+            }
+
+            return ::NKikimr::NSchemeBoard::GetPathVersion(DescribeSchemeResult);
+        }
+
         TDomainId GetDomainId() const {
             return IsFilled() ? ::NKikimr::NSchemeBoard::GetDomainId(DescribeSchemeResult) : TDomainId();
         }
@@ -382,198 +382,198 @@ public:
             return IsFilled() ? ::NKikimr::NSchemeBoard::GetAbandonedSchemeShardIds(DescribeSchemeResult) : TSet<ui64>();
         }
 
-        bool IsFilled() const { 
-            return DescribeSchemeResult.ByteSizeLong(); 
-        } 
- 
-        void Clear() { 
-            ExplicitlyDeleted = true; 
+        bool IsFilled() const {
+            return DescribeSchemeResult.ByteSizeLong();
+        }
+
+        void Clear() {
+            ExplicitlyDeleted = true;
             UntrackMemory();
-            TDescribeSchemeResult().Swap(&DescribeSchemeResult); 
-            PreSerializedDescribeSchemeResult.Clear(); 
+            TDescribeSchemeResult().Swap(&DescribeSchemeResult);
+            PreSerializedDescribeSchemeResult.Clear();
             ResultSize = 0;
             TrackMemory();
-            Notify(); 
-        } 
- 
-        THolder<TSchemeBoardEvents::TEvNotifyBuilder> BuildNotify(bool forceStrong = false) const { 
-            THolder<TSchemeBoardEvents::TEvNotifyBuilder> notify; 
- 
-            const bool isDeletion = !IsFilled(); 
- 
-            if (!PathId) { 
-                Y_VERIFY(isDeletion); 
+            Notify();
+        }
+
+        THolder<TSchemeBoardEvents::TEvNotifyBuilder> BuildNotify(bool forceStrong = false) const {
+            THolder<TSchemeBoardEvents::TEvNotifyBuilder> notify;
+
+            const bool isDeletion = !IsFilled();
+
+            if (!PathId) {
+                Y_VERIFY(isDeletion);
                 notify = MakeHolder<TSchemeBoardEvents::TEvNotifyBuilder>(Path, isDeletion);
-            } else if (!Path) { 
-                Y_VERIFY(isDeletion); 
+            } else if (!Path) {
+                Y_VERIFY(isDeletion);
                 notify = MakeHolder<TSchemeBoardEvents::TEvNotifyBuilder>(PathId, isDeletion);
-            } else { 
+            } else {
                 notify = MakeHolder<TSchemeBoardEvents::TEvNotifyBuilder>(Path, PathId, isDeletion);
-            } 
- 
-            if (!isDeletion) { 
-                if (!PreSerializedDescribeSchemeResult) { 
-                    TString serialized; 
+            }
+
+            if (!isDeletion) {
+                if (!PreSerializedDescribeSchemeResult) {
+                    TString serialized;
                     Y_PROTOBUF_SUPPRESS_NODISCARD DescribeSchemeResult.SerializeToString(&serialized);
                     if (TrackNotify) {
                         UntrackMemory();
                     }
-                    PreSerializedDescribeSchemeResult = std::move(serialized); 
+                    PreSerializedDescribeSchemeResult = std::move(serialized);
                     if (TrackNotify) {
                         TrackMemory();
                     }
-                } 
- 
-                notify->SetDescribeSchemeResult(*PreSerializedDescribeSchemeResult); 
-            } 
- 
-            notify->Record.SetVersion(GetVersion()); 
-            if (IsFilled() || IsExplicitlyDeleted() || forceStrong) { 
-                notify->Record.SetStrong(true); 
-            } 
- 
-            return notify; 
-        } 
- 
+                }
+
+                notify->SetDescribeSchemeResult(*PreSerializedDescribeSchemeResult);
+            }
+
+            notify->Record.SetVersion(GetVersion());
+            if (IsFilled() || IsExplicitlyDeleted() || forceStrong) {
+                notify->Record.SetStrong(true);
+            }
+
+            return notify;
+        }
+
         void Subscribe(const TActorId& subscriber, const TString&, ui64 domainOwnerId, const TCapabilities& capabilities) {
-            Subscribers.emplace(subscriber, TSubscriberInfo(SUBSCRIPTION_BY_PATH, domainOwnerId, capabilities)); 
-        } 
- 
+            Subscribers.emplace(subscriber, TSubscriberInfo(SUBSCRIPTION_BY_PATH, domainOwnerId, capabilities));
+        }
+
         void Subscribe(const TActorId& subscriber, const TPathId&, ui64 domainOwnerId, const TCapabilities& capabilities) {
-            Subscribers.emplace(subscriber, TSubscriberInfo(SUBSCRIPTION_BY_PATH_ID, domainOwnerId, capabilities)); 
-        } 
- 
+            Subscribers.emplace(subscriber, TSubscriberInfo(SUBSCRIPTION_BY_PATH_ID, domainOwnerId, capabilities));
+        }
+
         void Unsubscribe(const TActorId& subscriber) {
-            Subscribers.erase(subscriber); 
-        } 
- 
+            Subscribers.erase(subscriber);
+        }
+
         TSubscriberInfo& GetSubscriberInfo(const TActorId& subscriber) {
-            auto it = Subscribers.find(subscriber); 
-            Y_VERIFY(it != Subscribers.end()); 
-            return it->second; 
-        } 
- 
+            auto it = Subscribers.find(subscriber);
+            Y_VERIFY(it != Subscribers.end());
+            return it->second;
+        }
+
         THashMap<TActorId, TSubscriberInfo> GetSubscribers(const ESubscriptionType type = SUBSCRIPTION_UNSPECIFIED) const {
             THashMap<TActorId, TSubscriberInfo> result;
- 
-            for (const auto& [subscriber, info] : Subscribers) { 
-                if (type == SUBSCRIPTION_UNSPECIFIED || type == info.GetType()) { 
-                    result.emplace(subscriber, info); 
-                } 
-            } 
- 
-            return result; 
-        } 
- 
-    private: 
-        // used to notifications 
-        TReplica* Owner; 
- 
-        // data 
-        TString Path; 
-        TPathId PathId; 
-        TDescribeSchemeResult DescribeSchemeResult; 
-        mutable TMaybe<TString> PreSerializedDescribeSchemeResult; 
-        bool ExplicitlyDeleted = false; 
- 
-        // subscribers 
+
+            for (const auto& [subscriber, info] : Subscribers) {
+                if (type == SUBSCRIPTION_UNSPECIFIED || type == info.GetType()) {
+                    result.emplace(subscriber, info);
+                }
+            }
+
+            return result;
+        }
+
+    private:
+        // used to notifications
+        TReplica* Owner;
+
+        // data
+        TString Path;
+        TPathId PathId;
+        TDescribeSchemeResult DescribeSchemeResult;
+        mutable TMaybe<TString> PreSerializedDescribeSchemeResult;
+        bool ExplicitlyDeleted = false;
+
+        // subscribers
         THashMap<TActorId, TSubscriberInfo> Subscribers;
- 
+
         // memory tracking
         size_t ResultSize = 0;
         bool TrackNotify = true;
 
-    }; // TDescription 
- 
-    struct TMerger { 
-        TDescription& operator()(TDescription& dst, TDescription&& src) { 
-            return dst.Merge(std::move(src)); 
-        } 
-    }; 
- 
-private: 
-    struct TPopulatorInfo { 
+    }; // TDescription
+
+    struct TMerger {
+        TDescription& operator()(TDescription& dst, TDescription&& src) {
+            return dst.Merge(std::move(src));
+        }
+    };
+
+private:
+    struct TPopulatorInfo {
         ui64 Generation = 0;
         ui64 PendingGeneration = 0;
         TActorId PopulatorActor;
- 
-        bool IsCommited() const { 
-            return Generation && Generation == PendingGeneration; 
-        } 
-    }; 
- 
-    bool IsPopulatorCommited(ui64 ownerId) const { 
-        auto it = Populators.find(ownerId); 
-        if (it != Populators.end() && it->second.IsCommited()) { 
-            return true; 
-        } 
- 
-        return false; 
-    } 
- 
-    template <typename TPath> 
-    TDescription& UpsertDescription(const TPath& path) { 
-        SBR_LOG_I("Upsert description" 
-            << ": self# " << SelfId() 
-            << ", path# " << path); 
- 
-        return Descriptions.Upsert(path, TDescription(this, path)); 
-    } 
- 
+
+        bool IsCommited() const {
+            return Generation && Generation == PendingGeneration;
+        }
+    };
+
+    bool IsPopulatorCommited(ui64 ownerId) const {
+        auto it = Populators.find(ownerId);
+        if (it != Populators.end() && it->second.IsCommited()) {
+            return true;
+        }
+
+        return false;
+    }
+
+    template <typename TPath>
+    TDescription& UpsertDescription(const TPath& path) {
+        SBR_LOG_I("Upsert description"
+            << ": self# " << SelfId()
+            << ", path# " << path);
+
+        return Descriptions.Upsert(path, TDescription(this, path));
+    }
+
     TDescription& UpsertDescription(const TString& path, const TPathId& pathId) {
         SBR_LOG_I("Upsert description"
-            << ": self# " << SelfId() 
-            << ", path# " << path 
-            << ", pathId# " << pathId); 
+            << ": self# " << SelfId()
+            << ", path# " << path
+            << ", pathId# " << pathId);
 
         return Descriptions.Upsert(path, pathId, TDescription(this, path, pathId));
     }
 
     template <typename TPath>
-    TDescription& UpsertDescription(const TPath path, TDescription&& description) { 
+    TDescription& UpsertDescription(const TPath path, TDescription&& description) {
         SBR_LOG_I("Upsert description"
-            << ": self# " << SelfId() 
-            << ", path# " << path); 
+            << ": self# " << SelfId()
+            << ", path# " << path);
 
-        return Descriptions.Upsert(path, std::move(description)); 
+        return Descriptions.Upsert(path, std::move(description));
     }
 
     TDescription& UpsertDescription(
-        const TString& path, 
-        const TPathId& pathId, 
-        TDescribeSchemeResult&& describeSchemeResult 
-    ) { 
-        SBR_LOG_I("Upsert description" 
-            << ": self# " << SelfId() 
-            << ", path# " << path 
-            << ", pathId# " << pathId); 
- 
-        return Descriptions.Upsert(path, pathId, TDescription(this, path, pathId, std::move(describeSchemeResult))); 
-    } 
- 
-    void SoftDeleteDescription(const TPathId& pathId, bool createIfNotExists = false) { 
-        TDescription* desc = Descriptions.FindPtr(pathId); 
- 
-        if (!desc) { 
-            if (createIfNotExists) { 
-                desc = &UpsertDescription(pathId); 
-                desc->Clear(); // mark as deleted 
-            } 
- 
-            return; 
-        } 
- 
-        if (!desc->IsFilled()) { 
-            return; 
-        } 
- 
+        const TString& path,
+        const TPathId& pathId,
+        TDescribeSchemeResult&& describeSchemeResult
+    ) {
+        SBR_LOG_I("Upsert description"
+            << ": self# " << SelfId()
+            << ", path# " << path
+            << ", pathId# " << pathId);
+
+        return Descriptions.Upsert(path, pathId, TDescription(this, path, pathId, std::move(describeSchemeResult)));
+    }
+
+    void SoftDeleteDescription(const TPathId& pathId, bool createIfNotExists = false) {
+        TDescription* desc = Descriptions.FindPtr(pathId);
+
+        if (!desc) {
+            if (createIfNotExists) {
+                desc = &UpsertDescription(pathId);
+                desc->Clear(); // mark as deleted
+            }
+
+            return;
+        }
+
+        if (!desc->IsFilled()) {
+            return;
+        }
+
         auto path = desc->GetPath();
 
-        SBR_LOG_I("Delete description" 
-            << ": self# " << SelfId() 
+        SBR_LOG_I("Delete description"
+            << ": self# " << SelfId()
             << ", path# " << path
-            << ", pathId# " << pathId); 
- 
+            << ", pathId# " << pathId);
+
         if (TDescription* descByPath = Descriptions.FindPtr(path)) {
             if (descByPath != desc && descByPath->IsFilled()) {
                 if (descByPath->GetPathId().OwnerId != pathId.OwnerId) {
@@ -583,272 +583,272 @@ private:
 
                     if (curDomainId == pathId) { //Deletion from GSS
                         SBR_LOG_N("Delete description by GSS"
-                            << ": self# " << SelfId() 
-                            << ", path# " << path 
-                            << ", pathId# " << pathId 
-                            << ", domainId# " << domainId 
-                            << ", curPathId# " << curPathId 
-                            << ", curDomainId# " << curDomainId); 
+                            << ": self# " << SelfId()
+                            << ", path# " << path
+                            << ", pathId# " << pathId
+                            << ", domainId# " << domainId
+                            << ", curPathId# " << curPathId
+                            << ", curDomainId# " << curDomainId);
 
                         Descriptions.DeleteIndex(path);
                         UpsertDescription(path, pathId);
                         RelinkSubscribers(descByPath, path);
- 
-                        descByPath->Clear(); 
+
+                        descByPath->Clear();
                     }
                 }
             }
         }
 
-        desc->Clear(); 
-    } 
- 
+        desc->Clear();
+    }
+
     void RelinkSubscribers(TDescription* fromDesc, const TString& path) {
-        for (const auto& [subscriber, info] : fromDesc->GetSubscribers(SUBSCRIPTION_BY_PATH)) { 
+        for (const auto& [subscriber, info] : fromDesc->GetSubscribers(SUBSCRIPTION_BY_PATH)) {
             fromDesc->Unsubscribe(subscriber);
-            Subscribers.erase(subscriber); 
-            SubscribeBy(subscriber, path, info.GetDomainOwnerId(), info.GetCapabilities(), false); 
+            Subscribers.erase(subscriber);
+            SubscribeBy(subscriber, path, info.GetDomainOwnerId(), info.GetCapabilities(), false);
+        }
+    }
+
+    void SoftDeleteDescriptions(const TPathId& begin, const TPathId& end) {
+        const auto& pathIdIndex = Descriptions.GetSecondaryIndex();
+
+        auto it = pathIdIndex.lower_bound(begin);
+        if (it == pathIdIndex.end()) {
+            return;
+        }
+
+        const auto endIt = pathIdIndex.upper_bound(end);
+        while (it != endIt) {
+            SoftDeleteDescription(it->first);
+            ++it;
         }
     }
 
-    void SoftDeleteDescriptions(const TPathId& begin, const TPathId& end) { 
-        const auto& pathIdIndex = Descriptions.GetSecondaryIndex(); 
- 
-        auto it = pathIdIndex.lower_bound(begin); 
-        if (it == pathIdIndex.end()) { 
-            return; 
-        } 
- 
-        const auto endIt = pathIdIndex.upper_bound(end); 
-        while (it != endIt) { 
-            SoftDeleteDescription(it->first); 
-            ++it; 
-        } 
-    } 
- 
-    // call it _after_ Subscribe() & _before_ Unsubscribe() 
+    // call it _after_ Subscribe() & _before_ Unsubscribe()
     bool IsSingleSubscriberOnNode(const TActorId& subscriber) const {
-        const ui32 nodeId = subscriber.NodeId(); 
+        const ui32 nodeId = subscriber.NodeId();
         auto it = Subscribers.lower_bound(TActorId(nodeId, 0, 0, 0));
-        Y_VERIFY(it != Subscribers.end()); 
- 
-        return ++it == Subscribers.end() || it->first.NodeId() != nodeId; 
-    } 
- 
-    template <typename TPath> 
+        Y_VERIFY(it != Subscribers.end());
+
+        return ++it == Subscribers.end() || it->first.NodeId() != nodeId;
+    }
+
+    template <typename TPath>
     void Subscribe(const TActorId& subscriber, const TPath& path, ui64 domainOwnerId, const TCapabilities& capabilities) {
-        TDescription* desc = Descriptions.FindPtr(path); 
-        Y_VERIFY(desc); 
- 
-        SBR_LOG_N("Subscribe" 
-            << ": self# " << SelfId() 
-            << ", subscriber# " << subscriber 
-            << ", path# " << path 
-            << ", domainOwnerId# " << domainOwnerId 
-            << ", capabilities# " << capabilities.ShortDebugString()); 
- 
-        desc->Subscribe(subscriber, path, domainOwnerId, capabilities); 
- 
-        auto it = Subscribers.find(subscriber); 
+        TDescription* desc = Descriptions.FindPtr(path);
+        Y_VERIFY(desc);
+
+        SBR_LOG_N("Subscribe"
+            << ": self# " << SelfId()
+            << ", subscriber# " << subscriber
+            << ", path# " << path
+            << ", domainOwnerId# " << domainOwnerId
+            << ", capabilities# " << capabilities.ShortDebugString());
+
+        desc->Subscribe(subscriber, path, domainOwnerId, capabilities);
+
+        auto it = Subscribers.find(subscriber);
         Y_VERIFY_DEBUG(it == Subscribers.end() || std::holds_alternative<TPath>(it->second) && std::get<TPath>(it->second) == path);
-        Subscribers.emplace(subscriber, path); 
-    } 
- 
-    template <typename TPath> 
+        Subscribers.emplace(subscriber, path);
+    }
+
+    template <typename TPath>
     void Unsubscribe(const TActorId& subscriber, const TPath& path) {
-        TDescription* desc = Descriptions.FindPtr(path); 
-        Y_VERIFY(desc); 
- 
-        SBR_LOG_N("Unsubscribe" 
-            << ": self# " << SelfId() 
-            << ", subscriber# " << subscriber 
-            << ", path# " << path); 
- 
-        desc->Unsubscribe(subscriber); 
-        Subscribers.erase(subscriber); 
-    } 
- 
-    template <typename TPath> 
+        TDescription* desc = Descriptions.FindPtr(path);
+        Y_VERIFY(desc);
+
+        SBR_LOG_N("Unsubscribe"
+            << ": self# " << SelfId()
+            << ", subscriber# " << subscriber
+            << ", path# " << path);
+
+        desc->Unsubscribe(subscriber);
+        Subscribers.erase(subscriber);
+    }
+
+    template <typename TPath>
     void SubscribeBy(const TActorId& subscriber, const TPath& path, ui64 domainOwnerId, const TCapabilities& capabilities,
-            bool needNotify = true) { 
-        TDescription* desc = Descriptions.FindPtr(path); 
-        if (!desc) { 
-            desc = &UpsertDescription(path); 
-        } 
- 
-        Subscribe(subscriber, path, domainOwnerId, capabilities); 
- 
-        if (!needNotify) { 
-            return; 
-        } 
- 
-        ui32 flags = 0; 
-        if (IsSingleSubscriberOnNode(subscriber)) { 
-            flags = IEventHandle::FlagSubscribeOnSession; 
-        } 
- 
-        auto notify = desc->BuildNotify(IsPopulatorCommited(domainOwnerId)); 
- 
-        if (!notify->Record.GetStrong()) { 
-            auto& info = desc->GetSubscriberInfo(subscriber); 
-            info.NeedStrongNotification(); 
-        } 
- 
-        Send(subscriber, std::move(notify), flags); 
-    } 
- 
-    template <typename TPath> 
+            bool needNotify = true) {
+        TDescription* desc = Descriptions.FindPtr(path);
+        if (!desc) {
+            desc = &UpsertDescription(path);
+        }
+
+        Subscribe(subscriber, path, domainOwnerId, capabilities);
+
+        if (!needNotify) {
+            return;
+        }
+
+        ui32 flags = 0;
+        if (IsSingleSubscriberOnNode(subscriber)) {
+            flags = IEventHandle::FlagSubscribeOnSession;
+        }
+
+        auto notify = desc->BuildNotify(IsPopulatorCommited(domainOwnerId));
+
+        if (!notify->Record.GetStrong()) {
+            auto& info = desc->GetSubscriberInfo(subscriber);
+            info.NeedStrongNotification();
+        }
+
+        Send(subscriber, std::move(notify), flags);
+    }
+
+    template <typename TPath>
     void UnsubscribeBy(const TActorId& subscriber, const TPath& path) {
-        if (!Descriptions.FindPtr(path) || !Subscribers.contains(subscriber)) { 
-            return; 
-        } 
- 
-        if (IsSingleSubscriberOnNode(subscriber)) { 
-            Send(MakeInterconnectProxyId(subscriber.NodeId()), new TEvents::TEvUnsubscribe()); 
-        } 
- 
-        Unsubscribe(subscriber, path); 
-    } 
- 
-    template <typename TPath> 
-    ui64 GetVersion(const TPath& path) const { 
-        const TDescription* desc = Descriptions.FindPtr(path); 
-        return desc ? desc->GetVersion() : 0; 
-    } 
- 
-    void AckUpdate(TSchemeBoardEvents::TEvUpdate::TPtr& ev) { 
-        const auto& record = ev->Get()->GetRecord(); 
- 
-        const ui64 owner = record.GetOwner(); 
-        const ui64 generation = record.GetGeneration(); 
- 
-        Y_VERIFY(Populators.contains(owner)); 
-        Y_VERIFY(Populators.at(owner).PendingGeneration == generation); 
- 
-        if (!record.GetNeedAck()) { 
-            return; 
-        } 
- 
+        if (!Descriptions.FindPtr(path) || !Subscribers.contains(subscriber)) {
+            return;
+        }
+
+        if (IsSingleSubscriberOnNode(subscriber)) {
+            Send(MakeInterconnectProxyId(subscriber.NodeId()), new TEvents::TEvUnsubscribe());
+        }
+
+        Unsubscribe(subscriber, path);
+    }
+
+    template <typename TPath>
+    ui64 GetVersion(const TPath& path) const {
+        const TDescription* desc = Descriptions.FindPtr(path);
+        return desc ? desc->GetVersion() : 0;
+    }
+
+    void AckUpdate(TSchemeBoardEvents::TEvUpdate::TPtr& ev) {
+        const auto& record = ev->Get()->GetRecord();
+
+        const ui64 owner = record.GetOwner();
+        const ui64 generation = record.GetGeneration();
+
+        Y_VERIFY(Populators.contains(owner));
+        Y_VERIFY(Populators.at(owner).PendingGeneration == generation);
+
+        if (!record.GetNeedAck()) {
+            return;
+        }
+
         TPathId ackPathId;
- 
-        if (record.HasDeletedLocalPathIds()) { 
+
+        if (record.HasDeletedLocalPathIds()) {
             ackPathId = TPathId(owner, record.GetDeletedLocalPathIds().GetEnd());
-        } 
- 
-        if (record.HasLocalPathId()) { 
+        }
+
+        if (record.HasLocalPathId()) {
             ackPathId = ev->Get()->GetPathId();
-        } 
- 
+        }
+
         if (record.HasMigratedLocalPathIds()) {
             ackPathId = TPathId(owner, record.GetMigratedLocalPathIds().GetEnd());
         }
 
         const ui64 version = GetVersion(ackPathId);
-        Send(ev->Sender, new TSchemeBoardEvents::TEvUpdateAck(owner, generation, ackPathId, version), 0, ev->Cookie); 
-    } 
- 
-    void Handle(TSchemeBoardEvents::TEvHandshakeRequest::TPtr& ev) { 
-        const auto& record = ev->Get()->Record; 
- 
-        const ui64 owner = record.GetOwner(); 
-        const ui64 generation = record.GetGeneration(); 
- 
-        SBR_LOG_D("Handle TSchemeBoardEvents::TEvHandshakeRequest" 
-            << ": self# " << SelfId() 
-            << ", sender# " << ev->Sender 
-            << ", owner# " << owner 
-            << ", generation# " << generation); 
- 
-        TPopulatorInfo& info = Populators[owner]; 
-        if (generation < info.PendingGeneration) { 
-            SBR_LOG_E("Reject handshake from stale populator" 
-                << ": self# " << SelfId() 
-                << ", sender# " << ev->Sender 
-                << ", owner# " << owner 
-                << ", generation# " << generation 
-                << ", pending generation# " << info.PendingGeneration); 
-            return; 
-        } 
- 
-        SBR_LOG_N("Successful handshake" 
-            << ": self# " << SelfId() 
-            << ", owner# " << owner 
-            << ", generation# " << generation); 
- 
-        info.PendingGeneration = generation; 
+        Send(ev->Sender, new TSchemeBoardEvents::TEvUpdateAck(owner, generation, ackPathId, version), 0, ev->Cookie);
+    }
+
+    void Handle(TSchemeBoardEvents::TEvHandshakeRequest::TPtr& ev) {
+        const auto& record = ev->Get()->Record;
+
+        const ui64 owner = record.GetOwner();
+        const ui64 generation = record.GetGeneration();
+
+        SBR_LOG_D("Handle TSchemeBoardEvents::TEvHandshakeRequest"
+            << ": self# " << SelfId()
+            << ", sender# " << ev->Sender
+            << ", owner# " << owner
+            << ", generation# " << generation);
+
+        TPopulatorInfo& info = Populators[owner];
+        if (generation < info.PendingGeneration) {
+            SBR_LOG_E("Reject handshake from stale populator"
+                << ": self# " << SelfId()
+                << ", sender# " << ev->Sender
+                << ", owner# " << owner
+                << ", generation# " << generation
+                << ", pending generation# " << info.PendingGeneration);
+            return;
+        }
+
+        SBR_LOG_N("Successful handshake"
+            << ": self# " << SelfId()
+            << ", owner# " << owner
+            << ", generation# " << generation);
+
+        info.PendingGeneration = generation;
         info.PopulatorActor = ev->Sender;
 
-        Send(ev->Sender, new TSchemeBoardEvents::TEvHandshakeResponse(owner, info.Generation), 0, ev->Cookie); 
-    } 
- 
-    void Handle(TSchemeBoardEvents::TEvUpdate::TPtr& ev) { 
-        auto& record = *ev->Get()->MutableRecord(); 
- 
-        const ui64 owner = record.GetOwner(); 
-        const ui64 generation = record.GetGeneration(); 
- 
-        SBR_LOG_D("Handle TSchemeBoardEvents::TEvUpdate" 
-            << ": self# " << SelfId() 
-            << ", sender# " << ev->Sender 
-            << ", cookie# " << ev->Cookie 
-            << ", owner# " << owner 
-            << ", generation# " << generation); 
+        Send(ev->Sender, new TSchemeBoardEvents::TEvHandshakeResponse(owner, info.Generation), 0, ev->Cookie);
+    }
+
+    void Handle(TSchemeBoardEvents::TEvUpdate::TPtr& ev) {
+        auto& record = *ev->Get()->MutableRecord();
+
+        const ui64 owner = record.GetOwner();
+        const ui64 generation = record.GetGeneration();
+
+        SBR_LOG_D("Handle TSchemeBoardEvents::TEvUpdate"
+            << ": self# " << SelfId()
+            << ", sender# " << ev->Sender
+            << ", cookie# " << ev->Cookie
+            << ", owner# " << owner
+            << ", generation# " << generation);
         SBR_LOG_T("Message:\n" << ev->Get()->ToString().substr(0, 10000));
- 
-        const auto populatorIt = Populators.find(owner); 
-        if (populatorIt == Populators.end()) { 
-            SBR_LOG_E("Reject update from unknown populator" 
-                << ": self# " << SelfId() 
-                << ", sender# " << ev->Sender 
-                << ", owner# " << owner 
-                << ", generation# " << generation); 
-            return; 
-        } 
-        if (generation != populatorIt->second.PendingGeneration) { 
-            SBR_LOG_E("Reject update from stale populator" 
-                << ": self# " << SelfId() 
-                << ", sender# " << ev->Sender 
-                << ", owner# " << owner 
-                << ", generation# " << generation 
-                << ", pending generation# " << populatorIt->second.PendingGeneration); 
-            return; 
-        } 
- 
-        if (record.HasDeletedLocalPathIds()) { 
-            const TPathId begin(owner, record.GetDeletedLocalPathIds().GetBegin()); 
-            const TPathId end(owner, record.GetDeletedLocalPathIds().GetEnd()); 
-            SoftDeleteDescriptions(begin, end); 
-        } 
- 
-        if (!record.HasLocalPathId()) { 
-            return AckUpdate(ev); 
-        } 
- 
-        const TString& path = record.GetPath(); 
+
+        const auto populatorIt = Populators.find(owner);
+        if (populatorIt == Populators.end()) {
+            SBR_LOG_E("Reject update from unknown populator"
+                << ": self# " << SelfId()
+                << ", sender# " << ev->Sender
+                << ", owner# " << owner
+                << ", generation# " << generation);
+            return;
+        }
+        if (generation != populatorIt->second.PendingGeneration) {
+            SBR_LOG_E("Reject update from stale populator"
+                << ": self# " << SelfId()
+                << ", sender# " << ev->Sender
+                << ", owner# " << owner
+                << ", generation# " << generation
+                << ", pending generation# " << populatorIt->second.PendingGeneration);
+            return;
+        }
+
+        if (record.HasDeletedLocalPathIds()) {
+            const TPathId begin(owner, record.GetDeletedLocalPathIds().GetBegin());
+            const TPathId end(owner, record.GetDeletedLocalPathIds().GetEnd());
+            SoftDeleteDescriptions(begin, end);
+        }
+
+        if (!record.HasLocalPathId()) {
+            return AckUpdate(ev);
+        }
+
+        const TString& path = record.GetPath();
         const TPathId pathId = ev->Get()->GetPathId();
- 
-        SBR_LOG_N("Update description" 
-            << ": self# " << SelfId() 
-            << ", path# " << path 
+
+        SBR_LOG_N("Update description"
+            << ": self# " << SelfId()
+            << ", path# " << path
             << ", pathId# " << pathId
             << ", deletion# " << (record.GetIsDeletion() ? "true" : "false"));
- 
-        if (record.GetIsDeletion()) { 
-            SoftDeleteDescription(pathId, true); 
+
+        if (record.GetIsDeletion()) {
+            SoftDeleteDescription(pathId, true);
             return AckUpdate(ev);
         }
 
-        if (TDescription* desc = Descriptions.FindPtr(pathId)) { 
-            if (desc->IsExplicitlyDeleted()) { 
-                SBR_LOG_N("Path was explicitly deleted, ignoring" 
-                    << ": self# " << SelfId() 
-                    << ", path# " << path 
-                    << ", pathId# " << pathId); 
- 
-                return AckUpdate(ev); 
-            } 
-        } 
- 
+        if (TDescription* desc = Descriptions.FindPtr(pathId)) {
+            if (desc->IsExplicitlyDeleted()) {
+                SBR_LOG_N("Path was explicitly deleted, ignoring"
+                    << ": self# " << SelfId()
+                    << ", path# " << path
+                    << ", pathId# " << pathId);
+
+                return AckUpdate(ev);
+            }
+        }
+
         TDescription* desc = Descriptions.FindPtr(path);
         if (!desc) {
             UpsertDescription(path, pathId, std::move(*record.MutableDescribeSchemeResult()));
@@ -862,26 +862,26 @@ private:
 
         auto curPathId = desc->GetPathId();
 
-        if (curPathId.OwnerId == pathId.OwnerId || !desc->IsFilled()) { 
+        if (curPathId.OwnerId == pathId.OwnerId || !desc->IsFilled()) {
             if (curPathId > pathId) {
-                return AckUpdate(ev); 
-            } 
- 
+                return AckUpdate(ev);
+            }
+
             if (curPathId < pathId) {
                 SoftDeleteDescription(desc->GetPathId());
-                Descriptions.DeleteIndex(path); 
-                RelinkSubscribers(desc, path); 
-            } 
- 
-            UpsertDescription(path, pathId, std::move(*record.MutableDescribeSchemeResult())); 
+                Descriptions.DeleteIndex(path);
+                RelinkSubscribers(desc, path);
+            }
+
+            UpsertDescription(path, pathId, std::move(*record.MutableDescribeSchemeResult()));
             return AckUpdate(ev);
-        } 
- 
+        }
+
         Y_VERIFY_S(desc->IsFilled(), "desc :"
-            << ": path# " << desc->GetPath() 
-            << ", pathId# " << desc->GetPathId() 
-            << ", domainId# " << desc->GetDomainId() 
-            << ", version# " << desc->GetVersion()); 
+            << ": path# " << desc->GetPath()
+            << ", pathId# " << desc->GetPathId()
+            << ", domainId# " << desc->GetDomainId()
+            << ", version# " << desc->GetVersion());
 
         auto curDomainId = desc->GetDomainId();
         auto domainId = GetDomainId(record.GetDescribeSchemeResult());
@@ -892,24 +892,24 @@ private:
             auto abandonedSchemeShards = desc->GetAbandonedSchemeShardIds();
             if (abandonedSchemeShards.contains(pathId.OwnerId)) { //TSS is ignored, present GSS reverted it
                 SBR_LOG_N("Replace GSS by TSS description is rejected, GSS implicitly knows that TSS has been reverted"
-                    ", but still inject description only by pathId for safe" 
-                    << ": self# " << SelfId() 
-                    << ", path# " << path 
-                    << ", pathId# " << pathId 
-                    << ", domainId# " << domainId 
-                    << ", curPathId# " << curPathId 
-                    << ", curDomainId# " << curDomainId); 
+                    ", but still inject description only by pathId for safe"
+                    << ": self# " << SelfId()
+                    << ", path# " << path
+                    << ", pathId# " << pathId
+                    << ", domainId# " << domainId
+                    << ", curPathId# " << curPathId
+                    << ", curDomainId# " << curDomainId);
                 UpsertDescription(pathId, TDescription(this, path, pathId, std::move(*record.MutableDescribeSchemeResult())));
                 return AckUpdate(ev);
             }
 
             SBR_LOG_N("Replace GSS by TSS description"
-                << ": self# " << SelfId() 
-                << ", path# " << path 
-                << ", pathId# " << pathId 
-                << ", domainId# " << domainId 
-                << ", curPathId# " << curPathId 
-                << ", curDomainId# " << curDomainId); 
+                << ": self# " << SelfId()
+                << ", path# " << path
+                << ", pathId# " << pathId
+                << ", domainId# " << domainId
+                << ", curPathId# " << curPathId
+                << ", curDomainId# " << curDomainId);
             //unlick GSS desc by path
             Descriptions.DeleteIndex(path);
             RelinkSubscribers(desc, path);
@@ -923,12 +923,12 @@ private:
             auto abandonedSchemeShards = GetAbandonedSchemeShardIds(record.GetDescribeSchemeResult());
             if (abandonedSchemeShards.contains(curPathId.OwnerId)) { //GSS reverts TSS
                 SBR_LOG_N("Replace TSS by GSS description, TSS was implicitly reverted by GSS"
-                    << ": self# " << SelfId() 
-                    << ", path# " << path 
-                    << ", pathId# " << pathId 
-                    << ", domainId# " << domainId 
-                    << ", curPathId# " << curPathId 
-                    << ", curDomainId# " << curDomainId); 
+                    << ": self# " << SelfId()
+                    << ", path# " << path
+                    << ", pathId# " << pathId
+                    << ", domainId# " << domainId
+                    << ", curPathId# " << curPathId
+                    << ", curDomainId# " << curDomainId);
                 //unlick TSS desc by path
                 Descriptions.DeleteIndex(path);
                 RelinkSubscribers(desc, path);
@@ -937,13 +937,13 @@ private:
             }
 
             SBR_LOG_N("Inject description only by pathId, it is update from GSS"
-                << ": self# " << SelfId() 
-                << ", path# " << path 
-                << ", pathId# " << pathId 
-                << ", domainId# " << domainId 
-                << ", curPathId# " << curPathId 
-                << ", curDomainId# " << curDomainId); 
-            UpsertDescription(pathId, TDescription(this, path, pathId, std::move(*record.MutableDescribeSchemeResult()))); 
+                << ": self# " << SelfId()
+                << ", path# " << path
+                << ", pathId# " << pathId
+                << ", domainId# " << domainId
+                << ", curPathId# " << curPathId
+                << ", curDomainId# " << curDomainId);
+            UpsertDescription(pathId, TDescription(this, path, pathId, std::move(*record.MutableDescribeSchemeResult())));
             return AckUpdate(ev);
         }
 
@@ -977,313 +977,313 @@ private:
             return AckUpdate(ev);
         } else if (curDomainId < domainId) {
             SBR_LOG_N("Update description by newest path with newer domainId"
-                << ": self# " << SelfId() 
-                << ", path# " << path 
-                << ", pathId# " << pathId 
-                << ", domainId# " << domainId 
-                << ", curPathId# " << curPathId 
-                << ", curDomainId# " << curDomainId); 
+                << ": self# " << SelfId()
+                << ", path# " << path
+                << ", pathId# " << pathId
+                << ", domainId# " << domainId
+                << ", curPathId# " << curPathId
+                << ", curDomainId# " << curDomainId);
             Descriptions.DeleteIndex(path);
             RelinkSubscribers(desc, path);
             UpsertDescription(path, pathId, std::move(*record.MutableDescribeSchemeResult()));
             return AckUpdate(ev);
         } else {
             SBR_LOG_N("Totally ignore description, path with obsolete domainId"
-                << ": self# " << SelfId() 
-                << ", path# " << path 
-                << ", pathId# " << pathId 
-                << ", domainId# " << domainId 
-                << ", curPathId# " << curPathId 
-                << ", curDomainId# " << curDomainId); 
+                << ": self# " << SelfId()
+                << ", path# " << path
+                << ", pathId# " << pathId
+                << ", domainId# " << domainId
+                << ", curPathId# " << curPathId
+                << ", curDomainId# " << curDomainId);
             return AckUpdate(ev);
         }
 
-        Y_FAIL_S("Can't insert old description, no relation between obj" 
-            << ": self# " << SelfId() 
-            << ", path# " << path 
-            << ", pathId# " << pathId 
-            << ", domainId# " << domainId 
-            << ", curPathId# " << curPathId 
-            << ", curDomainId# " << curDomainId); 
-    } 
- 
-    void Handle(TSchemeBoardEvents::TEvCommitRequest::TPtr& ev) { 
-        const auto& record = ev->Get()->Record; 
- 
-        const ui64 owner = record.GetOwner(); 
-        const ui64 generation = record.GetGeneration(); 
- 
-        SBR_LOG_D("Handle TSchemeBoardEvents::TEvCommitRequest" 
-            << ": self# " << SelfId() 
-            << ", sender# " << ev->Sender 
-            << ", owner# " << owner 
-            << ", generation# " << generation); 
- 
-        auto it = Populators.find(owner); 
-        if (it == Populators.end()) { 
-            SBR_LOG_E("Reject commit from unknown populator" 
-                << ": self# " << SelfId() 
-                << ", sender# " << ev->Sender 
-                << ", owner# " << owner 
-                << ", generation# " << generation); 
-            return; 
-        } 
- 
-        TPopulatorInfo& info = it->second; 
-        if (generation != info.PendingGeneration) { 
-            SBR_LOG_E("Reject commit from stale populator" 
-                << ": self# " << SelfId() 
-                << ", sender# " << ev->Sender 
-                << ", owner# " << owner 
-                << ", generation# " << generation 
-                << ", pending generation# " << info.PendingGeneration); 
-            return; 
-        } 
- 
-        SBR_LOG_N("Commit generation" 
-            << ": self# " << SelfId() 
-            << ", owner# " << owner 
-            << ", generation# " << generation); 
- 
-        info.Generation = info.PendingGeneration; 
- 
-        Send(ev->Sender, new TSchemeBoardEvents::TEvCommitResponse(owner, info.Generation), 0, ev->Cookie); 
- 
-        for (const auto& [subscriber, id] : Subscribers) { 
-            TDescription* desc = nullptr; 
- 
+        Y_FAIL_S("Can't insert old description, no relation between obj"
+            << ": self# " << SelfId()
+            << ", path# " << path
+            << ", pathId# " << pathId
+            << ", domainId# " << domainId
+            << ", curPathId# " << curPathId
+            << ", curDomainId# " << curDomainId);
+    }
+
+    void Handle(TSchemeBoardEvents::TEvCommitRequest::TPtr& ev) {
+        const auto& record = ev->Get()->Record;
+
+        const ui64 owner = record.GetOwner();
+        const ui64 generation = record.GetGeneration();
+
+        SBR_LOG_D("Handle TSchemeBoardEvents::TEvCommitRequest"
+            << ": self# " << SelfId()
+            << ", sender# " << ev->Sender
+            << ", owner# " << owner
+            << ", generation# " << generation);
+
+        auto it = Populators.find(owner);
+        if (it == Populators.end()) {
+            SBR_LOG_E("Reject commit from unknown populator"
+                << ": self# " << SelfId()
+                << ", sender# " << ev->Sender
+                << ", owner# " << owner
+                << ", generation# " << generation);
+            return;
+        }
+
+        TPopulatorInfo& info = it->second;
+        if (generation != info.PendingGeneration) {
+            SBR_LOG_E("Reject commit from stale populator"
+                << ": self# " << SelfId()
+                << ", sender# " << ev->Sender
+                << ", owner# " << owner
+                << ", generation# " << generation
+                << ", pending generation# " << info.PendingGeneration);
+            return;
+        }
+
+        SBR_LOG_N("Commit generation"
+            << ": self# " << SelfId()
+            << ", owner# " << owner
+            << ", generation# " << generation);
+
+        info.Generation = info.PendingGeneration;
+
+        Send(ev->Sender, new TSchemeBoardEvents::TEvCommitResponse(owner, info.Generation), 0, ev->Cookie);
+
+        for (const auto& [subscriber, id] : Subscribers) {
+            TDescription* desc = nullptr;
+
             if (const TString* path = std::get_if<TString>(&id)) {
-                desc = Descriptions.FindPtr(*path); 
+                desc = Descriptions.FindPtr(*path);
             } else if (const TPathId* pathId = std::get_if<TPathId>(&id)) {
-                desc = Descriptions.FindPtr(*pathId); 
-            } 
- 
-            Y_VERIFY(desc); 
-            auto& info = desc->GetSubscriberInfo(subscriber); 
- 
-            if (info.GetDomainOwnerId() != owner 
-                || info.IsNotifiedStrongly() 
-                || info.IsWaitForAck()) { 
-                continue; 
-            } 
- 
-            auto notify = desc->BuildNotify(true); 
-            info.EnqueueVersion(notify.Get()); 
-            Send(subscriber, std::move(notify)); 
-        } 
-    } 
- 
-    void Handle(TSchemeBoardEvents::TEvSubscribe::TPtr& ev) { 
-        const auto& record = ev->Get()->Record; 
- 
-        SBR_LOG_D("Handle TSchemeBoardEvents::TEvSubscribe" 
-            << ": self# " << SelfId() 
-            << ", sender# " << ev->Sender 
-            << ", record# " << record.ShortDebugString()); 
- 
-        const ui64 domainOwnerId = record.GetDomainOwnerId(); 
-        const auto& capabilities = record.GetCapabilities(); 
- 
-        if (record.HasPath()) { 
-            SubscribeBy(ev->Sender, record.GetPath(), domainOwnerId, capabilities); 
-        } else { 
+                desc = Descriptions.FindPtr(*pathId);
+            }
+
+            Y_VERIFY(desc);
+            auto& info = desc->GetSubscriberInfo(subscriber);
+
+            if (info.GetDomainOwnerId() != owner
+                || info.IsNotifiedStrongly()
+                || info.IsWaitForAck()) {
+                continue;
+            }
+
+            auto notify = desc->BuildNotify(true);
+            info.EnqueueVersion(notify.Get());
+            Send(subscriber, std::move(notify));
+        }
+    }
+
+    void Handle(TSchemeBoardEvents::TEvSubscribe::TPtr& ev) {
+        const auto& record = ev->Get()->Record;
+
+        SBR_LOG_D("Handle TSchemeBoardEvents::TEvSubscribe"
+            << ": self# " << SelfId()
+            << ", sender# " << ev->Sender
+            << ", record# " << record.ShortDebugString());
+
+        const ui64 domainOwnerId = record.GetDomainOwnerId();
+        const auto& capabilities = record.GetCapabilities();
+
+        if (record.HasPath()) {
+            SubscribeBy(ev->Sender, record.GetPath(), domainOwnerId, capabilities);
+        } else {
             Y_VERIFY(record.HasPathOwnerId() && record.HasLocalPathId());
-            SubscribeBy(ev->Sender, TPathId(record.GetPathOwnerId(), record.GetLocalPathId()), domainOwnerId, capabilities); 
-        } 
-    } 
- 
-    void Handle(TSchemeBoardEvents::TEvUnsubscribe::TPtr& ev) { 
-        const auto& record = ev->Get()->Record; 
- 
-        SBR_LOG_D("Handle TSchemeBoardEvents::TEvUnsubscribe" 
-            << ": self# " << SelfId() 
-            << ", sender# " << ev->Sender 
-            << ", record# " << record.ShortDebugString()); 
- 
-        if (record.HasPath()) { 
-            UnsubscribeBy(ev->Sender, record.GetPath()); 
-        } else { 
+            SubscribeBy(ev->Sender, TPathId(record.GetPathOwnerId(), record.GetLocalPathId()), domainOwnerId, capabilities);
+        }
+    }
+
+    void Handle(TSchemeBoardEvents::TEvUnsubscribe::TPtr& ev) {
+        const auto& record = ev->Get()->Record;
+
+        SBR_LOG_D("Handle TSchemeBoardEvents::TEvUnsubscribe"
+            << ": self# " << SelfId()
+            << ", sender# " << ev->Sender
+            << ", record# " << record.ShortDebugString());
+
+        if (record.HasPath()) {
+            UnsubscribeBy(ev->Sender, record.GetPath());
+        } else {
             Y_VERIFY(record.HasPathOwnerId() && record.HasLocalPathId());
-            UnsubscribeBy(ev->Sender, TPathId(record.GetPathOwnerId(), record.GetLocalPathId())); 
-        } 
-    } 
- 
-    void Handle(TSchemeBoardEvents::TEvNotifyAck::TPtr& ev) { 
-        const auto& record = ev->Get()->Record; 
- 
-        SBR_LOG_D("Handle TSchemeBoardEvents::TEvNotifyAck" 
-            << ": self# " << SelfId() 
-            << ", sender# " << ev->Sender 
-            << ", record# " << record.ShortDebugString()); 
- 
-        auto it = Subscribers.find(ev->Sender); 
-        if (it == Subscribers.end()) { 
-            return; 
-        } 
- 
-        TDescription* desc = nullptr; 
- 
+            UnsubscribeBy(ev->Sender, TPathId(record.GetPathOwnerId(), record.GetLocalPathId()));
+        }
+    }
+
+    void Handle(TSchemeBoardEvents::TEvNotifyAck::TPtr& ev) {
+        const auto& record = ev->Get()->Record;
+
+        SBR_LOG_D("Handle TSchemeBoardEvents::TEvNotifyAck"
+            << ": self# " << SelfId()
+            << ", sender# " << ev->Sender
+            << ", record# " << record.ShortDebugString());
+
+        auto it = Subscribers.find(ev->Sender);
+        if (it == Subscribers.end()) {
+            return;
+        }
+
+        TDescription* desc = nullptr;
+
         if (const TString* path = std::get_if<TString>(&it->second)) {
-            desc = Descriptions.FindPtr(*path); 
+            desc = Descriptions.FindPtr(*path);
         } else if (const TPathId* pathId = std::get_if<TPathId>(&it->second)) {
-            desc = Descriptions.FindPtr(*pathId); 
-        } 
- 
-        Y_VERIFY(desc); 
-        auto& info = desc->GetSubscriberInfo(ev->Sender); 
- 
-        const ui64 version = record.GetVersion(); 
-        if (!info.AckVersion(version)) { 
-            return; 
-        } 
- 
-        if (version < desc->GetVersion()) { 
-            auto notify = desc->BuildNotify(IsPopulatorCommited(info.GetDomainOwnerId())); 
-            info.EnqueueVersion(notify.Get()); 
-            Send(ev->Sender, std::move(notify)); 
-        } 
- 
-        if (auto cookie = info.ProcessSyncRequest()) { 
-            Send(ev->Sender, new TSchemeBoardEvents::TEvSyncVersionResponse(desc->GetVersion()), 0, *cookie); 
-        } 
-    } 
- 
-    void Handle(TSchemeBoardEvents::TEvSyncVersionRequest::TPtr& ev) { 
-        const auto& record = ev->Get()->Record; 
- 
-        SBR_LOG_D("Handle TSchemeBoardEvents::TEvSyncVersionRequest" 
-            << ": self# " << SelfId() 
-            << ", sender# " << ev->Sender 
-            << ", cookie# " << ev->Cookie 
-            << ", record# " << record.ShortDebugString()); 
- 
-        auto it = Subscribers.find(ev->Sender); 
-        if (it == Subscribers.end()) { 
-            // for backward compatability 
-            ui64 version = 0; 
- 
-            if (record.HasPath()) { 
-                version = GetVersion(record.GetPath()); 
-            } else { 
-                version = GetVersion(TPathId(record.GetPathOwnerId(), record.GetLocalPathId())); 
-            } 
- 
-            Send(ev->Sender, new TSchemeBoardEvents::TEvSyncVersionResponse(version), 0, ev->Cookie); 
-            return; 
-        } 
- 
-        TDescription* desc = nullptr; 
- 
+            desc = Descriptions.FindPtr(*pathId);
+        }
+
+        Y_VERIFY(desc);
+        auto& info = desc->GetSubscriberInfo(ev->Sender);
+
+        const ui64 version = record.GetVersion();
+        if (!info.AckVersion(version)) {
+            return;
+        }
+
+        if (version < desc->GetVersion()) {
+            auto notify = desc->BuildNotify(IsPopulatorCommited(info.GetDomainOwnerId()));
+            info.EnqueueVersion(notify.Get());
+            Send(ev->Sender, std::move(notify));
+        }
+
+        if (auto cookie = info.ProcessSyncRequest()) {
+            Send(ev->Sender, new TSchemeBoardEvents::TEvSyncVersionResponse(desc->GetVersion()), 0, *cookie);
+        }
+    }
+
+    void Handle(TSchemeBoardEvents::TEvSyncVersionRequest::TPtr& ev) {
+        const auto& record = ev->Get()->Record;
+
+        SBR_LOG_D("Handle TSchemeBoardEvents::TEvSyncVersionRequest"
+            << ": self# " << SelfId()
+            << ", sender# " << ev->Sender
+            << ", cookie# " << ev->Cookie
+            << ", record# " << record.ShortDebugString());
+
+        auto it = Subscribers.find(ev->Sender);
+        if (it == Subscribers.end()) {
+            // for backward compatability
+            ui64 version = 0;
+
+            if (record.HasPath()) {
+                version = GetVersion(record.GetPath());
+            } else {
+                version = GetVersion(TPathId(record.GetPathOwnerId(), record.GetLocalPathId()));
+            }
+
+            Send(ev->Sender, new TSchemeBoardEvents::TEvSyncVersionResponse(version), 0, ev->Cookie);
+            return;
+        }
+
+        TDescription* desc = nullptr;
+
         if (const TString* path = std::get_if<TString>(&it->second)) {
-            desc = Descriptions.FindPtr(*path); 
+            desc = Descriptions.FindPtr(*path);
         } else if (const TPathId* pathId = std::get_if<TPathId>(&it->second)) {
-            desc = Descriptions.FindPtr(*pathId); 
-        } 
- 
-        Y_VERIFY(desc); 
-        auto& info = desc->GetSubscriberInfo(ev->Sender); 
- 
-        if (!info.EnqueueSyncRequest(ev->Cookie) || info.IsWaitForAck()) { 
-            return; 
-        } 
- 
-        auto cookie = info.ProcessSyncRequest(); 
-        Y_VERIFY(cookie && *cookie == ev->Cookie); 
- 
-        Send(ev->Sender, new TSchemeBoardEvents::TEvSyncVersionResponse(desc->GetVersion()), 0, *cookie); 
-    } 
- 
-    void Handle(TSchemeBoardMonEvents::TEvInfoRequest::TPtr& ev) { 
-        const auto limit = ev->Get()->Record.GetLimitRepeatedFields(); 
- 
-        auto response = MakeHolder<TSchemeBoardMonEvents::TEvInfoResponse>(SelfId(), ActorActivityType()); 
-        auto& record = *response->Record.MutableReplicaResponse(); 
- 
-        for (const auto& [owner, populator] : Populators) { 
-            auto& info = *record.AddPopulators(); 
- 
-            info.SetOwner(owner); 
-            info.SetGeneration(populator.Generation); 
-            info.SetPendingGeneration(populator.PendingGeneration); 
-            ActorIdToProto(populator.PopulatorActor, info.MutableActorId()); 
- 
-            if (record.PopulatorsSize() >= limit) { 
-                response->SetTruncated(); 
-                break; 
-            } 
-        } 
- 
-        record.MutableDescriptions()->SetTotalCount(Descriptions.Size()); 
-        record.MutableDescriptions()->SetByPathCount(Descriptions.GetPrimaryIndex().size()); 
-        record.MutableDescriptions()->SetByPathIdCount(Descriptions.GetSecondaryIndex().size()); 
- 
-        for (const auto& [subscriber, id] : Subscribers) { 
-            auto& info = *record.AddSubscribers(); 
- 
-            ActorIdToProto(subscriber, info.MutableActorId()); 
+            desc = Descriptions.FindPtr(*pathId);
+        }
+
+        Y_VERIFY(desc);
+        auto& info = desc->GetSubscriberInfo(ev->Sender);
+
+        if (!info.EnqueueSyncRequest(ev->Cookie) || info.IsWaitForAck()) {
+            return;
+        }
+
+        auto cookie = info.ProcessSyncRequest();
+        Y_VERIFY(cookie && *cookie == ev->Cookie);
+
+        Send(ev->Sender, new TSchemeBoardEvents::TEvSyncVersionResponse(desc->GetVersion()), 0, *cookie);
+    }
+
+    void Handle(TSchemeBoardMonEvents::TEvInfoRequest::TPtr& ev) {
+        const auto limit = ev->Get()->Record.GetLimitRepeatedFields();
+
+        auto response = MakeHolder<TSchemeBoardMonEvents::TEvInfoResponse>(SelfId(), ActorActivityType());
+        auto& record = *response->Record.MutableReplicaResponse();
+
+        for (const auto& [owner, populator] : Populators) {
+            auto& info = *record.AddPopulators();
+
+            info.SetOwner(owner);
+            info.SetGeneration(populator.Generation);
+            info.SetPendingGeneration(populator.PendingGeneration);
+            ActorIdToProto(populator.PopulatorActor, info.MutableActorId());
+
+            if (record.PopulatorsSize() >= limit) {
+                response->SetTruncated();
+                break;
+            }
+        }
+
+        record.MutableDescriptions()->SetTotalCount(Descriptions.Size());
+        record.MutableDescriptions()->SetByPathCount(Descriptions.GetPrimaryIndex().size());
+        record.MutableDescriptions()->SetByPathIdCount(Descriptions.GetSecondaryIndex().size());
+
+        for (const auto& [subscriber, id] : Subscribers) {
+            auto& info = *record.AddSubscribers();
+
+            ActorIdToProto(subscriber, info.MutableActorId());
             if (const TString* path = std::get_if<TString>(&id)) {
-                info.SetPath(*path); 
+                info.SetPath(*path);
             } else if (const TPathId* pathId = std::get_if<TPathId>(&id)) {
-                info.MutablePathId()->SetOwnerId(pathId->OwnerId); 
-                info.MutablePathId()->SetLocalPathId(pathId->LocalPathId); 
-            } 
- 
-            if (record.SubscribersSize() >= limit) { 
-                response->SetTruncated(); 
-                break; 
-            } 
-        } 
- 
-        Send(ev->Sender, std::move(response), 0, ev->Cookie); 
-    } 
- 
-    void Handle(TSchemeBoardMonEvents::TEvDescribeRequest::TPtr& ev) { 
-        const auto& record = ev->Get()->Record; 
- 
-        TDescription* desc = nullptr; 
-        if (record.HasPath()) { 
-            desc = Descriptions.FindPtr(record.GetPath()); 
-        } else if (record.HasPathId()) { 
-            desc = Descriptions.FindPtr(TPathId(record.GetPathId().GetOwnerId(), record.GetPathId().GetLocalPathId())); 
-        } 
- 
-        TString json; 
-        if (desc) { 
-            using namespace google::protobuf::util; 
- 
-            JsonPrintOptions opts; 
-            opts.preserve_proto_field_names = true; 
-            MessageToJsonString(desc->GetProto(), &json, opts); 
-        } else { 
-            json = "{}"; 
-        } 
- 
-        Send(ev->Sender, new TSchemeBoardMonEvents::TEvDescribeResponse(json), 0, ev->Cookie); 
-    } 
- 
-    void Handle(TEvInterconnect::TEvNodeDisconnected::TPtr& ev) { 
-        const ui32 nodeId = ev->Get()->NodeId; 
- 
-        SBR_LOG_D("Handle TEvInterconnect::TEvNodeDisconnected" 
-            << ": self# " << SelfId() 
-            << ", nodeId# " << nodeId); 
- 
+                info.MutablePathId()->SetOwnerId(pathId->OwnerId);
+                info.MutablePathId()->SetLocalPathId(pathId->LocalPathId);
+            }
+
+            if (record.SubscribersSize() >= limit) {
+                response->SetTruncated();
+                break;
+            }
+        }
+
+        Send(ev->Sender, std::move(response), 0, ev->Cookie);
+    }
+
+    void Handle(TSchemeBoardMonEvents::TEvDescribeRequest::TPtr& ev) {
+        const auto& record = ev->Get()->Record;
+
+        TDescription* desc = nullptr;
+        if (record.HasPath()) {
+            desc = Descriptions.FindPtr(record.GetPath());
+        } else if (record.HasPathId()) {
+            desc = Descriptions.FindPtr(TPathId(record.GetPathId().GetOwnerId(), record.GetPathId().GetLocalPathId()));
+        }
+
+        TString json;
+        if (desc) {
+            using namespace google::protobuf::util;
+
+            JsonPrintOptions opts;
+            opts.preserve_proto_field_names = true;
+            MessageToJsonString(desc->GetProto(), &json, opts);
+        } else {
+            json = "{}";
+        }
+
+        Send(ev->Sender, new TSchemeBoardMonEvents::TEvDescribeResponse(json), 0, ev->Cookie);
+    }
+
+    void Handle(TEvInterconnect::TEvNodeDisconnected::TPtr& ev) {
+        const ui32 nodeId = ev->Get()->NodeId;
+
+        SBR_LOG_D("Handle TEvInterconnect::TEvNodeDisconnected"
+            << ": self# " << SelfId()
+            << ", nodeId# " << nodeId);
+
         auto it = Subscribers.lower_bound(TActorId(nodeId, 0, 0, 0));
-        while (it != Subscribers.end() && it->first.NodeId() == nodeId) { 
+        while (it != Subscribers.end() && it->first.NodeId() == nodeId) {
             const TActorId subscriber = it->first;
-            const auto id = it->second; 
-            ++it; 
- 
+            const auto id = it->second;
+            ++it;
+
             if (const TString* path = std::get_if<TString>(&id)) {
-                Unsubscribe(subscriber, *path); 
+                Unsubscribe(subscriber, *path);
             } else if (const TPathId* pathId = std::get_if<TPathId>(&id)) {
-                Unsubscribe(subscriber, *pathId); 
-            } 
-        } 
- 
-        Send(MakeInterconnectProxyId(nodeId), new TEvents::TEvUnsubscribe()); 
-    } 
- 
+                Unsubscribe(subscriber, *pathId);
+            }
+        }
+
+        Send(MakeInterconnectProxyId(nodeId), new TEvents::TEvUnsubscribe());
+    }
+
     void PassAway() override {
         for (auto &xpair : Populators) {
             if (const TActorId populator = xpair.second.PopulatorActor) {
@@ -1295,48 +1295,48 @@ private:
             Send(xpair.first, new TEvStateStorage::TEvReplicaShutdown());
         }
 
-        TMonitorableActor::PassAway(); 
+        TMonitorableActor::PassAway();
     }
- 
-public: 
+
+public:
     static constexpr NKikimrServices::TActivity::EType ActorActivityType() {
         return NKikimrServices::TActivity::SCHEME_BOARD_REPLICA_ACTOR;
-    } 
- 
-    void Bootstrap() { 
-        TMonitorableActor::Bootstrap(); 
-        Become(&TThis::StateWork); 
-    } 
- 
+    }
+
+    void Bootstrap() {
+        TMonitorableActor::Bootstrap();
+        Become(&TThis::StateWork);
+    }
+
     STATEFN(StateWork) {
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TSchemeBoardEvents::TEvHandshakeRequest, Handle); 
-            hFunc(TSchemeBoardEvents::TEvUpdate, Handle); 
-            hFunc(TSchemeBoardEvents::TEvCommitRequest, Handle); 
-            hFunc(TSchemeBoardEvents::TEvSubscribe, Handle); 
-            hFunc(TSchemeBoardEvents::TEvUnsubscribe, Handle); 
-            hFunc(TSchemeBoardEvents::TEvNotifyAck, Handle); 
-            hFunc(TSchemeBoardEvents::TEvSyncVersionRequest, Handle); 
- 
-            hFunc(TSchemeBoardMonEvents::TEvInfoRequest, Handle); 
-            hFunc(TSchemeBoardMonEvents::TEvDescribeRequest, Handle); 
- 
-            hFunc(TEvInterconnect::TEvNodeDisconnected, Handle); 
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TSchemeBoardEvents::TEvHandshakeRequest, Handle);
+            hFunc(TSchemeBoardEvents::TEvUpdate, Handle);
+            hFunc(TSchemeBoardEvents::TEvCommitRequest, Handle);
+            hFunc(TSchemeBoardEvents::TEvSubscribe, Handle);
+            hFunc(TSchemeBoardEvents::TEvUnsubscribe, Handle);
+            hFunc(TSchemeBoardEvents::TEvNotifyAck, Handle);
+            hFunc(TSchemeBoardEvents::TEvSyncVersionRequest, Handle);
+
+            hFunc(TSchemeBoardMonEvents::TEvInfoRequest, Handle);
+            hFunc(TSchemeBoardMonEvents::TEvDescribeRequest, Handle);
+
+            hFunc(TEvInterconnect::TEvNodeDisconnected, Handle);
             cFunc(TEvents::TEvPoison::EventType, PassAway);
-        } 
-    } 
- 
-private: 
-    THashMap<ui64, TPopulatorInfo> Populators; 
-    TDoubleIndexedMap<TString, TPathId, TDescription, TMerger, THashMap, TMap> Descriptions; 
+        }
+    }
+
+private:
+    THashMap<ui64, TPopulatorInfo> Populators;
+    TDoubleIndexedMap<TString, TPathId, TDescription, TMerger, THashMap, TMap> Descriptions;
     TMap<TActorId, std::variant<TString, TPathId>, TActorId::TOrderedCmp> Subscribers;
- 
-}; // TReplica 
- 
-} // NSchemeBoard 
- 
-IActor* CreateSchemeBoardReplica(const TIntrusivePtr<TStateStorageInfo>&, ui32) { 
-    return new NSchemeBoard::TReplica(); 
-} 
- 
-} // NKikimr 
+
+}; // TReplica
+
+} // NSchemeBoard
+
+IActor* CreateSchemeBoardReplica(const TIntrusivePtr<TStateStorageInfo>&, ui32) {
+    return new NSchemeBoard::TReplica();
+}
+
+} // NKikimr
diff --git a/ydb/core/tx/scheme_board/replica.h b/ydb/core/tx/scheme_board/replica.h
index f75e0f0b45..a626fea2a1 100644
--- a/ydb/core/tx/scheme_board/replica.h
+++ b/ydb/core/tx/scheme_board/replica.h
@@ -1,21 +1,21 @@
-#pragma once 
- 
-#include "defs.h" 
- 
+#pragma once
+
+#include "defs.h"
+
 #include <ydb/core/base/statestorage.h>
- 
-namespace NKikimr { 
- 
-// same as MakeStateStorageReplicaID 
+
+namespace NKikimr {
+
+// same as MakeStateStorageReplicaID
 inline TActorId MakeSchemeBoardReplicaID(
-    const ui32 node, 
-    const ui64 stateStorageGroup, 
-    const ui32 replicaIndex 
-) { 
-    char x[12] = { 's', 'b', 's' }; 
-    x[3] = (char)stateStorageGroup; 
-    memcpy(x + 5, &replicaIndex, sizeof(ui32)); 
+    const ui32 node,
+    const ui64 stateStorageGroup,
+    const ui32 replicaIndex
+) {
+    char x[12] = { 's', 'b', 's' };
+    x[3] = (char)stateStorageGroup;
+    memcpy(x + 5, &replicaIndex, sizeof(ui32));
     return TActorId(node, TStringBuf(x, 12));
-} 
- 
-} // NKikimr 
+}
+
+} // NKikimr
diff --git a/ydb/core/tx/scheme_board/replica_ut.cpp b/ydb/core/tx/scheme_board/replica_ut.cpp
index 78ec30ad0d..10113c7bcc 100644
--- a/ydb/core/tx/scheme_board/replica_ut.cpp
+++ b/ydb/core/tx/scheme_board/replica_ut.cpp
@@ -1,554 +1,554 @@
-#include "events.h" 
-#include "replica.h" 
-#include "ut_helpers.h" 
- 
+#include "events.h"
+#include "replica.h"
+#include "ut_helpers.h"
+
 #include <ydb/core/base/pathid.h>
 #include <ydb/core/protos/services.pb.h>
 #include <ydb/core/testlib/basics/appdata.h>
- 
+
 #include <library/cpp/actors/core/log.h>
 #include <library/cpp/testing/unittest/registar.h>
- 
-namespace NKikimr { 
-namespace NSchemeBoard { 
- 
-namespace { 
- 
-    TActorId CreateReplica(TTestActorRuntimeBase& runtime) { 
-        const auto replica = runtime.Register(CreateSchemeBoardReplica(TIntrusivePtr<TStateStorageInfo>(), 0)); 
-        runtime.EnableScheduleForActor(replica, true); 
- 
-        // wait until replica is ready 
-        TDispatchOptions opts; 
-        opts.FinalEvents.emplace_back([&replica](IEventHandle& ev) { 
-            return ev.Recipient == replica && ev.GetTypeRewrite() == TEvents::TSystem::Bootstrap; 
-        }); 
-        runtime.DispatchEvents(opts); 
- 
-        return replica; 
-    } 
- 
-} // anonymous 
- 
-class TReplicaTest: public NUnitTest::TTestBase { 
-public: 
-    void SetUp() override { 
-        Context = MakeHolder<TTestContext>(); 
-        Context->Initialize(TAppPrepare().Unwrap()); 
-        Context->SetLogPriority(NKikimrServices::SCHEME_BOARD_REPLICA, NLog::PRI_DEBUG); 
- 
-        Replica = CreateReplica(*Context); 
-    } 
- 
-    void TearDown() override { 
-        Context.Reset(); 
-    } 
- 
-    UNIT_TEST_SUITE(TReplicaTest); 
-    UNIT_TEST(Handshake); 
-    UNIT_TEST(HandshakeWithStaleGeneration); 
-    UNIT_TEST(Commit); 
-    UNIT_TEST(CommitWithoutHandshake); 
-    UNIT_TEST(CommitWithStaleGeneration); 
-    UNIT_TEST(Update); 
-    UNIT_TEST(Delete); 
-    UNIT_TEST(UpdateWithoutHandshake); 
-    UNIT_TEST(UpdateWithStaleGeneration); 
-    UNIT_TEST(Subscribe); 
-    UNIT_TEST(SubscribeUnknownPath); 
-    UNIT_TEST(Unsubscribe); 
-    UNIT_TEST(UnsubscribeUnknownPath); 
-    UNIT_TEST(DoubleUnsubscribe); 
-    UNIT_TEST(UnsubscribeWithoutSubscribe); 
-    UNIT_TEST(Merge); 
-    UNIT_TEST(DoubleDelete); 
-    UNIT_TEST(SyncVersion); 
-    UNIT_TEST(IdempotencyUpdatesAliveSubscriber); 
-    UNIT_TEST(IdempotencyUpdatesWithoutSubscribers); 
-    UNIT_TEST(IdempotencyUpdatesVariant2); 
-    UNIT_TEST(AckNotifications); 
-    UNIT_TEST(AckNotificationsUponPathRecreation); 
-    UNIT_TEST(StrongNotificationAfterCommit); 
-    UNIT_TEST_SUITE_END(); 
- 
-    void Handshake(); 
-    void HandshakeWithStaleGeneration(); 
-    void Commit(); 
-    void CommitWithoutHandshake(); 
-    void CommitWithStaleGeneration(); 
-    void Update(); 
-    void Delete(); 
-    void UpdateWithoutHandshake(); 
-    void UpdateWithStaleGeneration(); 
-    void Subscribe(); 
-    void SubscribeUnknownPath(); 
-    void Unsubscribe(); 
-    void UnsubscribeUnknownPath(); 
-    void DoubleUnsubscribe(); 
-    void UnsubscribeWithoutSubscribe(); 
-    void Merge(); 
-    void DoubleDelete(); 
-    void SyncVersion(); 
-    void IdempotencyUpdates(bool aliveSubscriber); 
-    void IdempotencyUpdatesAliveSubscriber(); 
-    void IdempotencyUpdatesWithoutSubscribers(); 
-    void IdempotencyUpdatesVariant2(); 
-    void AckNotifications(); 
-    void AckNotificationsUponPathRecreation(); 
-    void StrongNotificationAfterCommit(); 
- 
-private: 
-    THolder<TTestContext> Context; 
+
+namespace NKikimr {
+namespace NSchemeBoard {
+
+namespace {
+
+    TActorId CreateReplica(TTestActorRuntimeBase& runtime) {
+        const auto replica = runtime.Register(CreateSchemeBoardReplica(TIntrusivePtr<TStateStorageInfo>(), 0));
+        runtime.EnableScheduleForActor(replica, true);
+
+        // wait until replica is ready
+        TDispatchOptions opts;
+        opts.FinalEvents.emplace_back([&replica](IEventHandle& ev) {
+            return ev.Recipient == replica && ev.GetTypeRewrite() == TEvents::TSystem::Bootstrap;
+        });
+        runtime.DispatchEvents(opts);
+
+        return replica;
+    }
+
+} // anonymous
+
+class TReplicaTest: public NUnitTest::TTestBase {
+public:
+    void SetUp() override {
+        Context = MakeHolder<TTestContext>();
+        Context->Initialize(TAppPrepare().Unwrap());
+        Context->SetLogPriority(NKikimrServices::SCHEME_BOARD_REPLICA, NLog::PRI_DEBUG);
+
+        Replica = CreateReplica(*Context);
+    }
+
+    void TearDown() override {
+        Context.Reset();
+    }
+
+    UNIT_TEST_SUITE(TReplicaTest);
+    UNIT_TEST(Handshake);
+    UNIT_TEST(HandshakeWithStaleGeneration);
+    UNIT_TEST(Commit);
+    UNIT_TEST(CommitWithoutHandshake);
+    UNIT_TEST(CommitWithStaleGeneration);
+    UNIT_TEST(Update);
+    UNIT_TEST(Delete);
+    UNIT_TEST(UpdateWithoutHandshake);
+    UNIT_TEST(UpdateWithStaleGeneration);
+    UNIT_TEST(Subscribe);
+    UNIT_TEST(SubscribeUnknownPath);
+    UNIT_TEST(Unsubscribe);
+    UNIT_TEST(UnsubscribeUnknownPath);
+    UNIT_TEST(DoubleUnsubscribe);
+    UNIT_TEST(UnsubscribeWithoutSubscribe);
+    UNIT_TEST(Merge);
+    UNIT_TEST(DoubleDelete);
+    UNIT_TEST(SyncVersion);
+    UNIT_TEST(IdempotencyUpdatesAliveSubscriber);
+    UNIT_TEST(IdempotencyUpdatesWithoutSubscribers);
+    UNIT_TEST(IdempotencyUpdatesVariant2);
+    UNIT_TEST(AckNotifications);
+    UNIT_TEST(AckNotificationsUponPathRecreation);
+    UNIT_TEST(StrongNotificationAfterCommit);
+    UNIT_TEST_SUITE_END();
+
+    void Handshake();
+    void HandshakeWithStaleGeneration();
+    void Commit();
+    void CommitWithoutHandshake();
+    void CommitWithStaleGeneration();
+    void Update();
+    void Delete();
+    void UpdateWithoutHandshake();
+    void UpdateWithStaleGeneration();
+    void Subscribe();
+    void SubscribeUnknownPath();
+    void Unsubscribe();
+    void UnsubscribeUnknownPath();
+    void DoubleUnsubscribe();
+    void UnsubscribeWithoutSubscribe();
+    void Merge();
+    void DoubleDelete();
+    void SyncVersion();
+    void IdempotencyUpdates(bool aliveSubscriber);
+    void IdempotencyUpdatesAliveSubscriber();
+    void IdempotencyUpdatesWithoutSubscribers();
+    void IdempotencyUpdatesVariant2();
+    void AckNotifications();
+    void AckNotificationsUponPathRecreation();
+    void StrongNotificationAfterCommit();
+
+private:
+    THolder<TTestContext> Context;
     TActorId Replica;
- 
-}; // TReplicaTest 
- 
-UNIT_TEST_SUITE_REGISTRATION(TReplicaTest); 
- 
-void TReplicaTest::Handshake() { 
-    auto ev = Context->HandshakeReplica(Replica, Context->AllocateEdgeActor(), 1, 1); 
- 
-    UNIT_ASSERT(ev->Get()); 
-    UNIT_ASSERT_VALUES_EQUAL(1, ev->Get()->Record.GetOwner()); 
-    UNIT_ASSERT_VALUES_EQUAL(0, ev->Get()->Record.GetGeneration()); 
-} 
- 
-void TReplicaTest::HandshakeWithStaleGeneration() { 
+
+}; // TReplicaTest
+
+UNIT_TEST_SUITE_REGISTRATION(TReplicaTest);
+
+void TReplicaTest::Handshake() {
+    auto ev = Context->HandshakeReplica(Replica, Context->AllocateEdgeActor(), 1, 1);
+
+    UNIT_ASSERT(ev->Get());
+    UNIT_ASSERT_VALUES_EQUAL(1, ev->Get()->Record.GetOwner());
+    UNIT_ASSERT_VALUES_EQUAL(0, ev->Get()->Record.GetGeneration());
+}
+
+void TReplicaTest::HandshakeWithStaleGeneration() {
     const TActorId edge = Context->AllocateEdgeActor();
- 
-    Context->HandshakeReplica(Replica, edge, 1, 2); 
-    Context->HandshakeReplica(Replica, edge, 1, 1, false); 
- 
-    ui64 counter = Context->CountEdgeEvents<TSchemeBoardEvents::TEvHandshakeResponse>(); 
-    UNIT_ASSERT_VALUES_EQUAL(0, counter); 
-} 
- 
-void TReplicaTest::Commit() { 
+
+    Context->HandshakeReplica(Replica, edge, 1, 2);
+    Context->HandshakeReplica(Replica, edge, 1, 1, false);
+
+    ui64 counter = Context->CountEdgeEvents<TSchemeBoardEvents::TEvHandshakeResponse>();
+    UNIT_ASSERT_VALUES_EQUAL(0, counter);
+}
+
+void TReplicaTest::Commit() {
     const TActorId edge = Context->AllocateEdgeActor();
- 
-    Context->HandshakeReplica(Replica, edge, 1, 1); 
-    Context->CommitReplica(Replica, edge, 1, 1); 
- 
-    auto ev = Context->HandshakeReplica(Replica, edge, 1, 2); 
- 
-    UNIT_ASSERT(ev->Get()); 
-    UNIT_ASSERT_VALUES_EQUAL(1, ev->Get()->Record.GetOwner()); 
-    UNIT_ASSERT_VALUES_EQUAL(1, ev->Get()->Record.GetGeneration()); 
-} 
- 
-void TReplicaTest::CommitWithoutHandshake() { 
+
+    Context->HandshakeReplica(Replica, edge, 1, 1);
+    Context->CommitReplica(Replica, edge, 1, 1);
+
+    auto ev = Context->HandshakeReplica(Replica, edge, 1, 2);
+
+    UNIT_ASSERT(ev->Get());
+    UNIT_ASSERT_VALUES_EQUAL(1, ev->Get()->Record.GetOwner());
+    UNIT_ASSERT_VALUES_EQUAL(1, ev->Get()->Record.GetGeneration());
+}
+
+void TReplicaTest::CommitWithoutHandshake() {
     const TActorId edge = Context->AllocateEdgeActor();
- 
-    Context->CommitReplica(Replica, edge, 1, 1); 
-    auto ev = Context->HandshakeReplica(Replica, edge, 1, 1); 
- 
-    UNIT_ASSERT(ev->Get()); 
-    UNIT_ASSERT_VALUES_EQUAL(1, ev->Get()->Record.GetOwner()); 
-    UNIT_ASSERT_VALUES_EQUAL(0, ev->Get()->Record.GetGeneration()); 
-} 
- 
-void TReplicaTest::CommitWithStaleGeneration() { 
+
+    Context->CommitReplica(Replica, edge, 1, 1);
+    auto ev = Context->HandshakeReplica(Replica, edge, 1, 1);
+
+    UNIT_ASSERT(ev->Get());
+    UNIT_ASSERT_VALUES_EQUAL(1, ev->Get()->Record.GetOwner());
+    UNIT_ASSERT_VALUES_EQUAL(0, ev->Get()->Record.GetGeneration());
+}
+
+void TReplicaTest::CommitWithStaleGeneration() {
     const TActorId edgeA = Context->AllocateEdgeActor();
     const TActorId edgeB = Context->AllocateEdgeActor();
- 
-    Context->HandshakeReplica(Replica, edgeA, 1, 0); 
-    Context->HandshakeReplica(Replica, edgeB, 1, 1); 
- 
-    Context->CommitReplica(Replica, edgeB, 1, 1); 
-    Context->CommitReplica(Replica, edgeA, 1, 0); 
- 
-    auto ev = Context->HandshakeReplica(Replica, edgeA, 1, 2); 
- 
-    UNIT_ASSERT(ev->Get()); 
-    UNIT_ASSERT_VALUES_EQUAL(1, ev->Get()->Record.GetOwner()); 
-    UNIT_ASSERT_VALUES_EQUAL(1, ev->Get()->Record.GetGeneration()); 
-} 
- 
-void TReplicaTest::Update() { 
+
+    Context->HandshakeReplica(Replica, edgeA, 1, 0);
+    Context->HandshakeReplica(Replica, edgeB, 1, 1);
+
+    Context->CommitReplica(Replica, edgeB, 1, 1);
+    Context->CommitReplica(Replica, edgeA, 1, 0);
+
+    auto ev = Context->HandshakeReplica(Replica, edgeA, 1, 2);
+
+    UNIT_ASSERT(ev->Get());
+    UNIT_ASSERT_VALUES_EQUAL(1, ev->Get()->Record.GetOwner());
+    UNIT_ASSERT_VALUES_EQUAL(1, ev->Get()->Record.GetGeneration());
+}
+
+void TReplicaTest::Update() {
     const TActorId edge = Context->AllocateEdgeActor();
- 
-    Context->HandshakeReplica(Replica, edge, 1, 1); 
+
+    Context->HandshakeReplica(Replica, edge, 1, 1);
     Context->Send(Replica, edge, GenerateUpdate(GenerateDescribe("path", TPathId(1, 1)), 1, 1));
- 
-    auto checks = [](const auto& record) { 
-        UNIT_ASSERT_VALUES_EQUAL(1, record.GetPathOwnerId()); 
-        UNIT_ASSERT_VALUES_EQUAL("path", record.GetPath()); 
-        UNIT_ASSERT_VALUES_EQUAL(1, record.GetLocalPathId()); 
-        UNIT_ASSERT_VALUES_EQUAL(false, record.GetIsDeletion()); 
-        UNIT_ASSERT_VALUES_EQUAL(1, record.GetVersion()); 
-    }; 
- 
-    { 
-        auto ev = Context->SubscribeReplica(Replica, edge, "path"); 
-        checks(ev->Get()->GetRecord()); 
-        Context->UnsubscribeReplica(Replica, edge, "path"); 
-    } 
- 
-    { 
-        auto ev = Context->SubscribeReplica(Replica, edge, TPathId(1, 1)); 
-        checks(ev->Get()->GetRecord()); 
-        Context->UnsubscribeReplica(Replica, edge, TPathId(1, 1)); 
-    } 
-} 
- 
-void TReplicaTest::Delete() { 
+
+    auto checks = [](const auto& record) {
+        UNIT_ASSERT_VALUES_EQUAL(1, record.GetPathOwnerId());
+        UNIT_ASSERT_VALUES_EQUAL("path", record.GetPath());
+        UNIT_ASSERT_VALUES_EQUAL(1, record.GetLocalPathId());
+        UNIT_ASSERT_VALUES_EQUAL(false, record.GetIsDeletion());
+        UNIT_ASSERT_VALUES_EQUAL(1, record.GetVersion());
+    };
+
+    {
+        auto ev = Context->SubscribeReplica(Replica, edge, "path");
+        checks(ev->Get()->GetRecord());
+        Context->UnsubscribeReplica(Replica, edge, "path");
+    }
+
+    {
+        auto ev = Context->SubscribeReplica(Replica, edge, TPathId(1, 1));
+        checks(ev->Get()->GetRecord());
+        Context->UnsubscribeReplica(Replica, edge, TPathId(1, 1));
+    }
+}
+
+void TReplicaTest::Delete() {
     auto describe = GenerateDescribe("path", TPathId(42, 1));
 
     const TActorId edge = Context->AllocateEdgeActor();
- 
-    Context->HandshakeReplica(Replica, edge, 1, 1); 
-    Context->Send(Replica, edge, GenerateUpdate(describe, 1, 1)); 
- 
-    { 
+
+    Context->HandshakeReplica(Replica, edge, 1, 1);
+    Context->Send(Replica, edge, GenerateUpdate(describe, 1, 1));
+
+    {
         auto ev = Context->SubscribeReplica(Replica, Context->AllocateEdgeActor(), "path");
-        UNIT_ASSERT_VALUES_EQUAL("path", ev->Get()->GetRecord().GetPath()); 
-        UNIT_ASSERT_VALUES_EQUAL(false, ev->Get()->GetRecord().GetIsDeletion()); 
-    } 
- 
-    { 
+        UNIT_ASSERT_VALUES_EQUAL("path", ev->Get()->GetRecord().GetPath());
+        UNIT_ASSERT_VALUES_EQUAL(false, ev->Get()->GetRecord().GetIsDeletion());
+    }
+
+    {
         auto ev = Context->SubscribeReplica(Replica, Context->AllocateEdgeActor(), TPathId(42, 1));
-        UNIT_ASSERT_VALUES_EQUAL(1, ev->Get()->GetRecord().GetLocalPathId()); 
-        UNIT_ASSERT_VALUES_EQUAL(false, ev->Get()->GetRecord().GetIsDeletion()); 
-    } 
- 
-    Context->Send(Replica, edge, GenerateUpdate(describe, 1, 1, true)); 
- 
-    { 
+        UNIT_ASSERT_VALUES_EQUAL(1, ev->Get()->GetRecord().GetLocalPathId());
+        UNIT_ASSERT_VALUES_EQUAL(false, ev->Get()->GetRecord().GetIsDeletion());
+    }
+
+    Context->Send(Replica, edge, GenerateUpdate(describe, 1, 1, true));
+
+    {
         auto ev = Context->SubscribeReplica(Replica, Context->AllocateEdgeActor(), "path");
-        UNIT_ASSERT_VALUES_EQUAL("path", ev->Get()->GetRecord().GetPath()); 
-        UNIT_ASSERT_VALUES_EQUAL(true, ev->Get()->GetRecord().GetIsDeletion()); 
-        UNIT_ASSERT_VALUES_EQUAL(Max<ui64>(), ev->Get()->GetRecord().GetVersion()); 
+        UNIT_ASSERT_VALUES_EQUAL("path", ev->Get()->GetRecord().GetPath());
+        UNIT_ASSERT_VALUES_EQUAL(true, ev->Get()->GetRecord().GetIsDeletion());
+        UNIT_ASSERT_VALUES_EQUAL(Max<ui64>(), ev->Get()->GetRecord().GetVersion());
     }
 
     {
         auto ev = Context->SubscribeReplica(Replica, Context->AllocateEdgeActor(), TPathId(42, 1));
-        UNIT_ASSERT_VALUES_EQUAL(1, ev->Get()->GetRecord().GetLocalPathId()); 
-        UNIT_ASSERT_VALUES_EQUAL(true, ev->Get()->GetRecord().GetIsDeletion()); 
-        UNIT_ASSERT_VALUES_EQUAL(Max<ui64>(), ev->Get()->GetRecord().GetVersion()); 
-    } 
- 
-    { 
+        UNIT_ASSERT_VALUES_EQUAL(1, ev->Get()->GetRecord().GetLocalPathId());
+        UNIT_ASSERT_VALUES_EQUAL(true, ev->Get()->GetRecord().GetIsDeletion());
+        UNIT_ASSERT_VALUES_EQUAL(Max<ui64>(), ev->Get()->GetRecord().GetVersion());
+    }
+
+    {
         auto ev = Context->SubscribeReplica(Replica, Context->AllocateEdgeActor(), "path");
-        UNIT_ASSERT_VALUES_EQUAL("path", ev->Get()->GetRecord().GetPath()); 
-        UNIT_ASSERT_VALUES_EQUAL(true, ev->Get()->GetRecord().GetIsDeletion()); 
-        UNIT_ASSERT_VALUES_EQUAL(Max<ui64>(), ev->Get()->GetRecord().GetVersion()); 
-    } 
-
-} 
- 
-void TReplicaTest::UpdateWithoutHandshake() { 
+        UNIT_ASSERT_VALUES_EQUAL("path", ev->Get()->GetRecord().GetPath());
+        UNIT_ASSERT_VALUES_EQUAL(true, ev->Get()->GetRecord().GetIsDeletion());
+        UNIT_ASSERT_VALUES_EQUAL(Max<ui64>(), ev->Get()->GetRecord().GetVersion());
+    }
+
+}
+
+void TReplicaTest::UpdateWithoutHandshake() {
     const TActorId edge = Context->AllocateEdgeActor();
- 
+
     Context->Send(Replica, edge, GenerateUpdate(GenerateDescribe("path", TPathId(1, 1)), 1, 1));
- 
-    { 
-        auto ev = Context->SubscribeReplica(Replica, edge, "path"); 
-        UNIT_ASSERT_VALUES_EQUAL(true, ev->Get()->GetRecord().GetIsDeletion()); 
-        Context->UnsubscribeReplica(Replica, edge, "path"); 
-    } 
- 
-    { 
-        auto ev = Context->SubscribeReplica(Replica, edge, TPathId(1, 1)); 
-        UNIT_ASSERT_VALUES_EQUAL(true, ev->Get()->GetRecord().GetIsDeletion()); 
-        Context->UnsubscribeReplica(Replica, edge, TPathId(1, 1)); 
-    } 
-} 
- 
-void TReplicaTest::UpdateWithStaleGeneration() { 
+
+    {
+        auto ev = Context->SubscribeReplica(Replica, edge, "path");
+        UNIT_ASSERT_VALUES_EQUAL(true, ev->Get()->GetRecord().GetIsDeletion());
+        Context->UnsubscribeReplica(Replica, edge, "path");
+    }
+
+    {
+        auto ev = Context->SubscribeReplica(Replica, edge, TPathId(1, 1));
+        UNIT_ASSERT_VALUES_EQUAL(true, ev->Get()->GetRecord().GetIsDeletion());
+        Context->UnsubscribeReplica(Replica, edge, TPathId(1, 1));
+    }
+}
+
+void TReplicaTest::UpdateWithStaleGeneration() {
     const TActorId edge = Context->AllocateEdgeActor();
- 
-    Context->HandshakeReplica(Replica, edge, 1, 1); 
+
+    Context->HandshakeReplica(Replica, edge, 1, 1);
     Context->Send(Replica, edge, GenerateUpdate(GenerateDescribe("path", TPathId(1, 1)), 1, 0));
- 
-    { 
-        auto ev = Context->SubscribeReplica(Replica, edge, "path"); 
-        UNIT_ASSERT_VALUES_EQUAL(true, ev->Get()->GetRecord().GetIsDeletion()); 
-        Context->UnsubscribeReplica(Replica, edge, "path"); 
-    } 
- 
-    { 
-        auto ev = Context->SubscribeReplica(Replica, edge, TPathId(1, 1)); 
-        UNIT_ASSERT_VALUES_EQUAL(true, ev->Get()->GetRecord().GetIsDeletion()); 
-        Context->UnsubscribeReplica(Replica, edge, TPathId(1, 1)); 
-    } 
-} 
- 
-void TReplicaTest::Subscribe() { 
+
+    {
+        auto ev = Context->SubscribeReplica(Replica, edge, "path");
+        UNIT_ASSERT_VALUES_EQUAL(true, ev->Get()->GetRecord().GetIsDeletion());
+        Context->UnsubscribeReplica(Replica, edge, "path");
+    }
+
+    {
+        auto ev = Context->SubscribeReplica(Replica, edge, TPathId(1, 1));
+        UNIT_ASSERT_VALUES_EQUAL(true, ev->Get()->GetRecord().GetIsDeletion());
+        Context->UnsubscribeReplica(Replica, edge, TPathId(1, 1));
+    }
+}
+
+void TReplicaTest::Subscribe() {
     auto describe = GenerateDescribe("path", TPathId(1, 1));
- 
+
     const TActorId edge = Context->AllocateEdgeActor();
- 
-    Context->HandshakeReplica(Replica, edge, 1, 1); 
-    Context->Send(Replica, edge, GenerateUpdate(describe, 1, 1)); 
- 
-    Context->SubscribeReplica(Replica, edge, "path", false); 
-    { 
-        auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotify>(edge); 
-        UNIT_ASSERT_VALUES_EQUAL("path", ev->Get()->GetRecord().GetPath()); 
-        UNIT_ASSERT_VALUES_EQUAL(false, ev->Get()->GetRecord().GetIsDeletion()); 
-    } 
- 
-    Context->Send(Replica, edge, GenerateUpdate(describe, 1, 1, true)); 
-    { 
-        auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotify>(edge); 
-        UNIT_ASSERT_VALUES_EQUAL("path", ev->Get()->GetRecord().GetPath()); 
-        UNIT_ASSERT_VALUES_EQUAL(true, ev->Get()->GetRecord().GetIsDeletion()); 
-    } 
-} 
- 
-void TReplicaTest::SubscribeUnknownPath() { 
+
+    Context->HandshakeReplica(Replica, edge, 1, 1);
+    Context->Send(Replica, edge, GenerateUpdate(describe, 1, 1));
+
+    Context->SubscribeReplica(Replica, edge, "path", false);
+    {
+        auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotify>(edge);
+        UNIT_ASSERT_VALUES_EQUAL("path", ev->Get()->GetRecord().GetPath());
+        UNIT_ASSERT_VALUES_EQUAL(false, ev->Get()->GetRecord().GetIsDeletion());
+    }
+
+    Context->Send(Replica, edge, GenerateUpdate(describe, 1, 1, true));
+    {
+        auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotify>(edge);
+        UNIT_ASSERT_VALUES_EQUAL("path", ev->Get()->GetRecord().GetPath());
+        UNIT_ASSERT_VALUES_EQUAL(true, ev->Get()->GetRecord().GetIsDeletion());
+    }
+}
+
+void TReplicaTest::SubscribeUnknownPath() {
     const TActorId edge = Context->AllocateEdgeActor();
- 
-    Context->SubscribeReplica(Replica, edge, "path", false); 
-    { 
-        auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotify>(edge); 
-        UNIT_ASSERT_VALUES_EQUAL("path", ev->Get()->GetRecord().GetPath()); 
-        UNIT_ASSERT_VALUES_EQUAL(true, ev->Get()->GetRecord().GetIsDeletion()); 
-    } 
-} 
- 
-void TReplicaTest::Unsubscribe() { 
+
+    Context->SubscribeReplica(Replica, edge, "path", false);
+    {
+        auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotify>(edge);
+        UNIT_ASSERT_VALUES_EQUAL("path", ev->Get()->GetRecord().GetPath());
+        UNIT_ASSERT_VALUES_EQUAL(true, ev->Get()->GetRecord().GetIsDeletion());
+    }
+}
+
+void TReplicaTest::Unsubscribe() {
     auto describe = GenerateDescribe("path", TPathId(1, 1));
- 
+
     const TActorId edge = Context->AllocateEdgeActor();
- 
+
     const TActorId subscriberA = Context->AllocateEdgeActor();
     const TActorId subscriberB = Context->AllocateEdgeActor();
- 
-    Context->HandshakeReplica(Replica, edge, 1, 1); 
- 
-    Context->SubscribeReplica(Replica, subscriberA, "path"); 
-    Context->SubscribeReplica(Replica, subscriberB, "path"); 
- 
-    Context->Send(Replica, edge, GenerateUpdate(describe, 1, 1)); 
-    ui64 counter = Context->CountEdgeEvents<TSchemeBoardEvents::TEvNotify>(); 
-    UNIT_ASSERT_VALUES_EQUAL(2, counter); 
- 
-    Context->UnsubscribeReplica(Replica, subscriberA, "path"); 
- 
-    Context->Send(Replica, edge, GenerateUpdate(describe, 1, 1, true)); 
-    counter = Context->CountEdgeEvents<TSchemeBoardEvents::TEvNotify>(); 
-    UNIT_ASSERT_VALUES_EQUAL(1, counter); 
-} 
- 
-void TReplicaTest::UnsubscribeUnknownPath() { 
+
+    Context->HandshakeReplica(Replica, edge, 1, 1);
+
+    Context->SubscribeReplica(Replica, subscriberA, "path");
+    Context->SubscribeReplica(Replica, subscriberB, "path");
+
+    Context->Send(Replica, edge, GenerateUpdate(describe, 1, 1));
+    ui64 counter = Context->CountEdgeEvents<TSchemeBoardEvents::TEvNotify>();
+    UNIT_ASSERT_VALUES_EQUAL(2, counter);
+
+    Context->UnsubscribeReplica(Replica, subscriberA, "path");
+
+    Context->Send(Replica, edge, GenerateUpdate(describe, 1, 1, true));
+    counter = Context->CountEdgeEvents<TSchemeBoardEvents::TEvNotify>();
+    UNIT_ASSERT_VALUES_EQUAL(1, counter);
+}
+
+void TReplicaTest::UnsubscribeUnknownPath() {
     const TActorId edge = Context->AllocateEdgeActor();
- 
-    Context->UnsubscribeReplica(Replica, edge, "path"); 
-} 
- 
-void TReplicaTest::DoubleUnsubscribe() { 
+
+    Context->UnsubscribeReplica(Replica, edge, "path");
+}
+
+void TReplicaTest::DoubleUnsubscribe() {
     auto describe = GenerateDescribe("path", TPathId(1, 1));
- 
+
     const TActorId edge = Context->AllocateEdgeActor();
- 
-    Context->HandshakeReplica(Replica, edge, 1, 1); 
-    Context->Send(Replica, edge, GenerateUpdate(describe, 1, 1)); 
- 
-    auto ev = Context->SubscribeReplica(Replica, edge, "path", true); 
-    UNIT_ASSERT_VALUES_EQUAL("path", ev->Get()->GetRecord().GetPath()); 
-    UNIT_ASSERT_VALUES_EQUAL(false, ev->Get()->GetRecord().GetIsDeletion()); 
- 
-    Context->UnsubscribeReplica(Replica, edge, "path"); 
-    Context->UnsubscribeReplica(Replica, edge, "path"); 
-} 
- 
-void TReplicaTest::UnsubscribeWithoutSubscribe() { 
+
+    Context->HandshakeReplica(Replica, edge, 1, 1);
+    Context->Send(Replica, edge, GenerateUpdate(describe, 1, 1));
+
+    auto ev = Context->SubscribeReplica(Replica, edge, "path", true);
+    UNIT_ASSERT_VALUES_EQUAL("path", ev->Get()->GetRecord().GetPath());
+    UNIT_ASSERT_VALUES_EQUAL(false, ev->Get()->GetRecord().GetIsDeletion());
+
+    Context->UnsubscribeReplica(Replica, edge, "path");
+    Context->UnsubscribeReplica(Replica, edge, "path");
+}
+
+void TReplicaTest::UnsubscribeWithoutSubscribe() {
     auto describe = GenerateDescribe("path", TPathId(1, 1));
- 
+
     const TActorId edge = Context->AllocateEdgeActor();
- 
-    Context->HandshakeReplica(Replica, edge, 1, 1); 
-    Context->Send(Replica, edge, GenerateUpdate(describe, 1, 1)); 
- 
-    Context->UnsubscribeReplica(Replica, edge, "path"); 
-} 
- 
-void TReplicaTest::Merge() { 
+
+    Context->HandshakeReplica(Replica, edge, 1, 1);
+    Context->Send(Replica, edge, GenerateUpdate(describe, 1, 1));
+
+    Context->UnsubscribeReplica(Replica, edge, "path");
+}
+
+void TReplicaTest::Merge() {
     auto describe = GenerateDescribe("path", TPathId(1, 1));
- 
+
     const TActorId populator = Context->AllocateEdgeActor();
     const TActorId subscriberA = Context->AllocateEdgeActor();
     const TActorId subscriberB = Context->AllocateEdgeActor();
- 
-    Context->SubscribeReplica(Replica, subscriberA, "path"); 
-    Context->SubscribeReplica(Replica, subscriberB, TPathId(1, 1)); 
- 
-    Context->HandshakeReplica(Replica, populator); 
- 
-    Context->Send(Replica, populator, GenerateUpdate(describe)); 
-    Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotify>(subscriberA); 
-    Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotify>(subscriberB); 
- 
-    Context->Send(Replica, populator, GenerateUpdate(describe, 1, 1, true)); 
-    Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotify>(subscriberA); 
-    Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotify>(subscriberB); 
-} 
- 
-void TReplicaTest::DoubleDelete() { 
+
+    Context->SubscribeReplica(Replica, subscriberA, "path");
+    Context->SubscribeReplica(Replica, subscriberB, TPathId(1, 1));
+
+    Context->HandshakeReplica(Replica, populator);
+
+    Context->Send(Replica, populator, GenerateUpdate(describe));
+    Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotify>(subscriberA);
+    Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotify>(subscriberB);
+
+    Context->Send(Replica, populator, GenerateUpdate(describe, 1, 1, true));
+    Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotify>(subscriberA);
+    Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotify>(subscriberB);
+}
+
+void TReplicaTest::DoubleDelete() {
     auto describe = GenerateDescribe("path", TPathId(1, 1));
- 
+
     const TActorId populator = Context->AllocateEdgeActor();
-    Context->HandshakeReplica(Replica, populator); 
- 
+    Context->HandshakeReplica(Replica, populator);
+
     const TActorId subscriberA = Context->AllocateEdgeActor();
-    Context->SubscribeReplica(Replica, subscriberA, "path"); 
- 
-    Context->Send(Replica, populator, GenerateUpdate(describe)); 
-    Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotify>(subscriberA); 
- 
-    Context->Send(Replica, populator, GenerateUpdate(describe, 1, 1, true)); 
-    Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotify>(subscriberA); 
- 
+    Context->SubscribeReplica(Replica, subscriberA, "path");
+
+    Context->Send(Replica, populator, GenerateUpdate(describe));
+    Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotify>(subscriberA);
+
+    Context->Send(Replica, populator, GenerateUpdate(describe, 1, 1, true));
+    Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotify>(subscriberA);
+
     const TActorId subscriberB = Context->AllocateEdgeActor();
-    Context->SubscribeReplica(Replica, subscriberB, "path"); 
- 
-    Context->Send(Replica, populator, GenerateUpdate(describe, 1, 1, true)); 
-} 
- 
-void TReplicaTest::SyncVersion() { 
+    Context->SubscribeReplica(Replica, subscriberB, "path");
+
+    Context->Send(Replica, populator, GenerateUpdate(describe, 1, 1, true));
+}
+
+void TReplicaTest::SyncVersion() {
     const TActorId edge = Context->AllocateEdgeActor();
-    const ui64 version = 100500; 
- 
-    Context->HandshakeReplica(Replica, edge); 
+    const ui64 version = 100500;
+
+    Context->HandshakeReplica(Replica, edge);
     Context->Send(Replica, edge, GenerateUpdate(GenerateDescribe("path", TPathId(1, 1), version)));
- 
-    Context->SubscribeReplica(Replica, edge, "path"); 
-    Context->Send(Replica, edge, new TSchemeBoardEvents::TEvSyncVersionRequest("path"), 0, 1); 
-    auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvSyncVersionResponse>(edge); 
- 
-    UNIT_ASSERT_VALUES_EQUAL(version, ev->Get()->Record.GetVersion()); 
-    UNIT_ASSERT_VALUES_EQUAL(false, ev->Get()->Record.GetPartial()); 
-} 
- 
-void TReplicaTest::IdempotencyUpdates(bool aliveSubscriber) { 
-    auto describeA = GenerateDescribe("path", TPathId(1, 1)); 
-    auto describeB = GenerateDescribe("path", TPathId(1, 2)); // same path but another path id 
- 
+
+    Context->SubscribeReplica(Replica, edge, "path");
+    Context->Send(Replica, edge, new TSchemeBoardEvents::TEvSyncVersionRequest("path"), 0, 1);
+    auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvSyncVersionResponse>(edge);
+
+    UNIT_ASSERT_VALUES_EQUAL(version, ev->Get()->Record.GetVersion());
+    UNIT_ASSERT_VALUES_EQUAL(false, ev->Get()->Record.GetPartial());
+}
+
+void TReplicaTest::IdempotencyUpdates(bool aliveSubscriber) {
+    auto describeA = GenerateDescribe("path", TPathId(1, 1));
+    auto describeB = GenerateDescribe("path", TPathId(1, 2)); // same path but another path id
+
     const TActorId populator = Context->AllocateEdgeActor();
-    Context->HandshakeReplica(Replica, populator); 
- 
+    Context->HandshakeReplica(Replica, populator);
+
     const TActorId subscriberA = Context->AllocateEdgeActor();
-    Context->SubscribeReplica(Replica, subscriberA, TPathId(1, 1)); 
- 
-    Context->Send(Replica, populator, GenerateUpdate(describeA)); 
-    Context->Send(Replica, populator, GenerateUpdate(describeA, 1, 1, true)); 
- 
-    if (!aliveSubscriber) { 
-        Context->UnsubscribeReplica(Replica, subscriberA, TPathId(1, 1)); 
-    } 
- 
-    Context->Send(Replica, populator, GenerateUpdate(describeA)); 
-    Context->Send(Replica, populator, GenerateUpdate(describeB)); 
- 
+    Context->SubscribeReplica(Replica, subscriberA, TPathId(1, 1));
+
+    Context->Send(Replica, populator, GenerateUpdate(describeA));
+    Context->Send(Replica, populator, GenerateUpdate(describeA, 1, 1, true));
+
+    if (!aliveSubscriber) {
+        Context->UnsubscribeReplica(Replica, subscriberA, TPathId(1, 1));
+    }
+
+    Context->Send(Replica, populator, GenerateUpdate(describeA));
+    Context->Send(Replica, populator, GenerateUpdate(describeB));
+
     const TActorId subscriberB = Context->AllocateEdgeActor();
-    Context->SubscribeReplica(Replica, subscriberB, TPathId(1, 2)); 
-} 
- 
-void TReplicaTest::IdempotencyUpdatesAliveSubscriber() { 
-    IdempotencyUpdates(true); 
-} 
- 
-void TReplicaTest::IdempotencyUpdatesWithoutSubscribers() { 
-    IdempotencyUpdates(false); 
-} 
- 
-void TReplicaTest::IdempotencyUpdatesVariant2() { 
-    auto describeA = GenerateDescribe("path", TPathId(1, 1)); 
-    auto describeB = GenerateDescribe("path", TPathId(1, 2)); // same path but another path id 
- 
+    Context->SubscribeReplica(Replica, subscriberB, TPathId(1, 2));
+}
+
+void TReplicaTest::IdempotencyUpdatesAliveSubscriber() {
+    IdempotencyUpdates(true);
+}
+
+void TReplicaTest::IdempotencyUpdatesWithoutSubscribers() {
+    IdempotencyUpdates(false);
+}
+
+void TReplicaTest::IdempotencyUpdatesVariant2() {
+    auto describeA = GenerateDescribe("path", TPathId(1, 1));
+    auto describeB = GenerateDescribe("path", TPathId(1, 2)); // same path but another path id
+
     const TActorId populator = Context->AllocateEdgeActor();
-    Context->HandshakeReplica(Replica, populator); 
- 
-    Context->Send(Replica, populator, GenerateUpdate(describeA)); 
-    Context->Send(Replica, populator, GenerateUpdate(describeB)); 
-    Context->Send(Replica, populator, GenerateUpdate(describeB, 1, 1, true)); 
-    Context->Send(Replica, populator, GenerateUpdate(describeA)); 
-    Context->Send(Replica, populator, GenerateUpdate(describeB)); 
-} 
- 
-void TReplicaTest::AckNotifications() { 
-    auto describe = GenerateDescribe("path", TPathId(1, 1)); 
- 
+    Context->HandshakeReplica(Replica, populator);
+
+    Context->Send(Replica, populator, GenerateUpdate(describeA));
+    Context->Send(Replica, populator, GenerateUpdate(describeB));
+    Context->Send(Replica, populator, GenerateUpdate(describeB, 1, 1, true));
+    Context->Send(Replica, populator, GenerateUpdate(describeA));
+    Context->Send(Replica, populator, GenerateUpdate(describeB));
+}
+
+void TReplicaTest::AckNotifications() {
+    auto describe = GenerateDescribe("path", TPathId(1, 1));
+
     const TActorId populator = Context->AllocateEdgeActor();
     const TActorId subscriber = Context->AllocateEdgeActor();
- 
-    NKikimrSchemeBoard::TEvSubscribe::TCapabilities capabilities; 
-    capabilities.SetAckNotifications(true); 
-    Context->SubscribeReplica(Replica, subscriber, "path", true, 0, capabilities); 
- 
-    Context->HandshakeReplica(Replica, populator); 
- 
-    Context->Send(Replica, populator, GenerateUpdate(describe)); 
-    Context->Send(Replica, subscriber, new TSchemeBoardEvents::TEvNotifyAck(0)); 
-    Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotify>(subscriber); 
- 
-    Context->Send(Replica, populator, GenerateUpdate(describe, 1, 1, true)); 
-    Context->Send(Replica, subscriber, new TSchemeBoardEvents::TEvNotifyAck(1)); 
-    Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotify>(subscriber); 
-} 
- 
-void TReplicaTest::AckNotificationsUponPathRecreation() { 
-    const TActorId populator = Context->AllocateEdgeActor(); 
-    Context->HandshakeReplica(Replica, populator); 
- 
-    // initial path version is 2 
-    Context->Send(Replica, populator, GenerateUpdate(GenerateDescribe("path", TPathId(1, 1), 2))); 
- 
-    const TActorId subscriber = Context->AllocateEdgeActor(); 
-    NKikimrSchemeBoard::TEvSubscribe::TCapabilities capabilities; 
-    capabilities.SetAckNotifications(true); 
-    Context->SubscribeReplica(Replica, subscriber, "path", true, 0, capabilities); 
- 
-    // update to version 3 & omit ack 
-    Context->Send(Replica, populator, GenerateUpdate(GenerateDescribe("path", TPathId(1, 1), 3))); 
-    { 
-        auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotify>(subscriber); 
-        UNIT_ASSERT_VALUES_EQUAL(1, ev->Get()->GetRecord().GetLocalPathId()); 
-        UNIT_ASSERT_VALUES_EQUAL(3, ev->Get()->GetRecord().GetVersion()); 
-    } 
- 
-    // recreate path with version 1 
-    Context->Send(Replica, populator, GenerateUpdate(GenerateDescribe("path", TPathId(1, 2), 1))); 
-    // ack previous version 
-    Context->Send(Replica, subscriber, new TSchemeBoardEvents::TEvNotifyAck(3)); 
-    // should receive notification about recreated path 
-    while (true) { 
-        auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotify>(subscriber); 
- 
-        if (ev->Get()->GetRecord().GetIsDeletion()) { 
-            // deletion of previous version 
-            UNIT_ASSERT_VALUES_EQUAL(1, ev->Get()->GetRecord().GetLocalPathId()); 
-        } else { 
-            UNIT_ASSERT_VALUES_EQUAL(2, ev->Get()->GetRecord().GetLocalPathId()); 
-            UNIT_ASSERT_VALUES_EQUAL(1, ev->Get()->GetRecord().GetVersion()); 
-            break; 
-        } 
- 
-        Context->Send(Replica, subscriber, new TSchemeBoardEvents::TEvNotifyAck(ev->Get()->GetRecord().GetVersion())); 
-    } 
-} 
- 
-void TReplicaTest::StrongNotificationAfterCommit() { 
+
+    NKikimrSchemeBoard::TEvSubscribe::TCapabilities capabilities;
+    capabilities.SetAckNotifications(true);
+    Context->SubscribeReplica(Replica, subscriber, "path", true, 0, capabilities);
+
+    Context->HandshakeReplica(Replica, populator);
+
+    Context->Send(Replica, populator, GenerateUpdate(describe));
+    Context->Send(Replica, subscriber, new TSchemeBoardEvents::TEvNotifyAck(0));
+    Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotify>(subscriber);
+
+    Context->Send(Replica, populator, GenerateUpdate(describe, 1, 1, true));
+    Context->Send(Replica, subscriber, new TSchemeBoardEvents::TEvNotifyAck(1));
+    Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotify>(subscriber);
+}
+
+void TReplicaTest::AckNotificationsUponPathRecreation() {
     const TActorId populator = Context->AllocateEdgeActor();
+    Context->HandshakeReplica(Replica, populator);
+
+    // initial path version is 2
+    Context->Send(Replica, populator, GenerateUpdate(GenerateDescribe("path", TPathId(1, 1), 2)));
+
     const TActorId subscriber = Context->AllocateEdgeActor();
- 
-    Context->SubscribeReplica(Replica, subscriber, "path", false, 1); 
-    { 
-        auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotify>(subscriber); 
-        UNIT_ASSERT_VALUES_EQUAL(true, ev->Get()->GetRecord().GetIsDeletion()); 
-        UNIT_ASSERT_VALUES_EQUAL(false, ev->Get()->GetRecord().GetStrong()); 
-    } 
- 
-    Context->HandshakeReplica(Replica, populator); 
-    Context->CommitReplica(Replica, populator, 1, 1); 
-    { 
-        auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotify>(subscriber); 
-        UNIT_ASSERT_VALUES_EQUAL(true, ev->Get()->GetRecord().GetIsDeletion()); 
-        UNIT_ASSERT_VALUES_EQUAL(true, ev->Get()->GetRecord().GetStrong()); 
-    } 
-} 
- 
+    NKikimrSchemeBoard::TEvSubscribe::TCapabilities capabilities;
+    capabilities.SetAckNotifications(true);
+    Context->SubscribeReplica(Replica, subscriber, "path", true, 0, capabilities);
+
+    // update to version 3 & omit ack
+    Context->Send(Replica, populator, GenerateUpdate(GenerateDescribe("path", TPathId(1, 1), 3)));
+    {
+        auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotify>(subscriber);
+        UNIT_ASSERT_VALUES_EQUAL(1, ev->Get()->GetRecord().GetLocalPathId());
+        UNIT_ASSERT_VALUES_EQUAL(3, ev->Get()->GetRecord().GetVersion());
+    }
+
+    // recreate path with version 1
+    Context->Send(Replica, populator, GenerateUpdate(GenerateDescribe("path", TPathId(1, 2), 1)));
+    // ack previous version
+    Context->Send(Replica, subscriber, new TSchemeBoardEvents::TEvNotifyAck(3));
+    // should receive notification about recreated path
+    while (true) {
+        auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotify>(subscriber);
+
+        if (ev->Get()->GetRecord().GetIsDeletion()) {
+            // deletion of previous version
+            UNIT_ASSERT_VALUES_EQUAL(1, ev->Get()->GetRecord().GetLocalPathId());
+        } else {
+            UNIT_ASSERT_VALUES_EQUAL(2, ev->Get()->GetRecord().GetLocalPathId());
+            UNIT_ASSERT_VALUES_EQUAL(1, ev->Get()->GetRecord().GetVersion());
+            break;
+        }
+
+        Context->Send(Replica, subscriber, new TSchemeBoardEvents::TEvNotifyAck(ev->Get()->GetRecord().GetVersion()));
+    }
+}
+
+void TReplicaTest::StrongNotificationAfterCommit() {
+    const TActorId populator = Context->AllocateEdgeActor();
+    const TActorId subscriber = Context->AllocateEdgeActor();
+
+    Context->SubscribeReplica(Replica, subscriber, "path", false, 1);
+    {
+        auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotify>(subscriber);
+        UNIT_ASSERT_VALUES_EQUAL(true, ev->Get()->GetRecord().GetIsDeletion());
+        UNIT_ASSERT_VALUES_EQUAL(false, ev->Get()->GetRecord().GetStrong());
+    }
+
+    Context->HandshakeReplica(Replica, populator);
+    Context->CommitReplica(Replica, populator, 1, 1);
+    {
+        auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotify>(subscriber);
+        UNIT_ASSERT_VALUES_EQUAL(true, ev->Get()->GetRecord().GetIsDeletion());
+        UNIT_ASSERT_VALUES_EQUAL(true, ev->Get()->GetRecord().GetStrong());
+    }
+}
+
 class TReplicaCombinationTest: public NUnitTest::TTestBase {
 public:
     void SetUp() override {
@@ -559,7 +559,7 @@ public:
     }
 
     TActorId GetReplica() {
-        return CreateReplica(*Context); 
+        return CreateReplica(*Context);
     }
 
     void TearDown() override {
@@ -671,14 +671,14 @@ void TReplicaCombinationTest::UpdatesCombinationsDomainRoot() {
 
 
 
-            UNIT_ASSERT_VALUES_EQUAL("/Root/Tenant", ev->Get()->GetRecord().GetPath()); 
-            UNIT_ASSERT_VALUES_EQUAL(std::get<1>(winId), ev->Get()->GetRecord().GetIsDeletion()); 
+            UNIT_ASSERT_VALUES_EQUAL("/Root/Tenant", ev->Get()->GetRecord().GetPath());
+            UNIT_ASSERT_VALUES_EQUAL(std::get<1>(winId), ev->Get()->GetRecord().GetIsDeletion());
 
-            if (!ev->Get()->GetRecord().GetIsDeletion()) { 
-                UNIT_ASSERT_VALUES_EQUAL(std::get<2>(winId), TPathId(ev->Get()->GetRecord().GetPathOwnerId(), ev->Get()->GetRecord().GetLocalPathId())); 
-                UNIT_ASSERT_VALUES_EQUAL(std::get<3>(winId), ev->Get()->GetRecord().GetVersion()); 
+            if (!ev->Get()->GetRecord().GetIsDeletion()) {
+                UNIT_ASSERT_VALUES_EQUAL(std::get<2>(winId), TPathId(ev->Get()->GetRecord().GetPathOwnerId(), ev->Get()->GetRecord().GetLocalPathId()));
+                UNIT_ASSERT_VALUES_EQUAL(std::get<3>(winId), ev->Get()->GetRecord().GetVersion());
 
-                UNIT_ASSERT(ev->Get()->GetRecord().HasDescribeSchemeResult()); 
+                UNIT_ASSERT(ev->Get()->GetRecord().HasDescribeSchemeResult());
                 const NKikimrScheme::TEvDescribeSchemeResult& descr = ev->Get()->GetRecord().GetDescribeSchemeResult();
                 auto& domainKey = descr.GetPathDescription().GetDomainDescription().GetDomainKey();
                 UNIT_ASSERT_VALUES_EQUAL(std::get<0>(winId), TDomainId(domainKey.GetSchemeShard(), domainKey.GetPathId()));
@@ -891,5 +891,5 @@ void TReplicaCombinationTest::UpdatesCombinationsMigratedPath() {
     }
 }
 
-} // NSchemeBoard 
-} // NKikimr 
+} // NSchemeBoard
+} // NKikimr
diff --git a/ydb/core/tx/scheme_board/scheme_board.h b/ydb/core/tx/scheme_board/scheme_board.h
index f010ae5c34..fd32971248 100644
--- a/ydb/core/tx/scheme_board/scheme_board.h
+++ b/ydb/core/tx/scheme_board/scheme_board.h
@@ -1,7 +1,7 @@
-#pragma once 
- 
-#include "events.h" 
-#include "load_test.h" 
-#include "monitoring.h" 
-#include "replica.h" 
-#include "subscriber.h" 
+#pragma once
+
+#include "events.h"
+#include "load_test.h"
+#include "monitoring.h"
+#include "replica.h"
+#include "subscriber.h"
diff --git a/ydb/core/tx/scheme_board/subscriber.cpp b/ydb/core/tx/scheme_board/subscriber.cpp
index fd8c74f77e..97173d81ad 100644
--- a/ydb/core/tx/scheme_board/subscriber.cpp
+++ b/ydb/core/tx/scheme_board/subscriber.cpp
@@ -1,67 +1,67 @@
-#include "events.h" 
-#include "helpers.h" 
-#include "monitorable_actor.h" 
-#include "subscriber.h" 
- 
+#include "events.h"
+#include "helpers.h"
+#include "monitorable_actor.h"
+#include "subscriber.h"
+
 #include <ydb/core/base/statestorage_impl.h>
 #include <ydb/core/base/tabletid.h>
 #include <ydb/core/protos/scheme_board.pb.h>
 #include <ydb/core/protos/services.pb.h>
 #include <ydb/core/util/yverify_stream.h>
- 
+
 #include <library/cpp/actors/core/actor_bootstrapped.h>
 #include <library/cpp/actors/core/hfunc.h>
 #include <library/cpp/actors/core/interconnect.h>
 #include <library/cpp/actors/core/log.h>
- 
-#include <util/generic/map.h> 
-#include <util/generic/maybe.h> 
-#include <util/generic/ptr.h> 
-#include <util/generic/set.h> 
-#include <util/generic/string.h> 
-#include <util/generic/utility.h> 
-#include <util/string/cast.h> 
- 
-namespace NKikimr { 
- 
-using EDeletionPolicy = ESchemeBoardSubscriberDeletionPolicy; 
- 
-namespace NSchemeBoard { 
- 
-#define SBS_LOG_T(stream) SB_LOG_T(SCHEME_BOARD_SUBSCRIBER, "[" << LogPrefix() << "] " << this->SelfId() << " [" << Path << "] " << stream) 
-#define SBS_LOG_D(stream) SB_LOG_D(SCHEME_BOARD_SUBSCRIBER, "[" << LogPrefix() << "] " << this->SelfId() << " [" << Path << "] " << stream) 
-#define SBS_LOG_I(stream) SB_LOG_I(SCHEME_BOARD_SUBSCRIBER, "[" << LogPrefix() << "] " << this->SelfId() << " [" << Path << "] " << stream) 
-#define SBS_LOG_N(stream) SB_LOG_N(SCHEME_BOARD_SUBSCRIBER, "[" << LogPrefix() << "] " << this->SelfId() << " [" << Path << "] " << stream) 
-#define SBS_LOG_W(stream) SB_LOG_W(SCHEME_BOARD_SUBSCRIBER, "[" << LogPrefix() << "] " << this->SelfId() << " [" << Path << "] " << stream) 
-#define SBS_LOG_E(stream) SB_LOG_E(SCHEME_BOARD_SUBSCRIBER, "[" << LogPrefix() << "] " << this->SelfId() << " [" << Path << "] " << stream) 
- 
-namespace { 
- 
-    template <typename T, typename U> 
-    typename std::enable_if_t<!std::is_same_v<T, U>, bool> IsSame(const T&, const U&) { 
-        return false; 
-    } 
- 
-    template <typename T, typename U> 
-    typename std::enable_if_t<std::is_same_v<T, U>, bool> IsSame(const T& t, const U& u) { 
-        return t == u; 
-    } 
- 
-    template <typename TPath> 
-    bool IsValidNotification(const TPath& path, const NKikimrSchemeBoard::TEvNotify& record) { 
-        bool valid = false; 
- 
-        if (record.HasPath()) { 
-            valid = IsSame(path, record.GetPath()); 
-        } 
- 
+
+#include <util/generic/map.h>
+#include <util/generic/maybe.h>
+#include <util/generic/ptr.h>
+#include <util/generic/set.h>
+#include <util/generic/string.h>
+#include <util/generic/utility.h>
+#include <util/string/cast.h>
+
+namespace NKikimr {
+
+using EDeletionPolicy = ESchemeBoardSubscriberDeletionPolicy;
+
+namespace NSchemeBoard {
+
+#define SBS_LOG_T(stream) SB_LOG_T(SCHEME_BOARD_SUBSCRIBER, "[" << LogPrefix() << "] " << this->SelfId() << " [" << Path << "] " << stream)
+#define SBS_LOG_D(stream) SB_LOG_D(SCHEME_BOARD_SUBSCRIBER, "[" << LogPrefix() << "] " << this->SelfId() << " [" << Path << "] " << stream)
+#define SBS_LOG_I(stream) SB_LOG_I(SCHEME_BOARD_SUBSCRIBER, "[" << LogPrefix() << "] " << this->SelfId() << " [" << Path << "] " << stream)
+#define SBS_LOG_N(stream) SB_LOG_N(SCHEME_BOARD_SUBSCRIBER, "[" << LogPrefix() << "] " << this->SelfId() << " [" << Path << "] " << stream)
+#define SBS_LOG_W(stream) SB_LOG_W(SCHEME_BOARD_SUBSCRIBER, "[" << LogPrefix() << "] " << this->SelfId() << " [" << Path << "] " << stream)
+#define SBS_LOG_E(stream) SB_LOG_E(SCHEME_BOARD_SUBSCRIBER, "[" << LogPrefix() << "] " << this->SelfId() << " [" << Path << "] " << stream)
+
+namespace {
+
+    template <typename T, typename U>
+    typename std::enable_if_t<!std::is_same_v<T, U>, bool> IsSame(const T&, const U&) {
+        return false;
+    }
+
+    template <typename T, typename U>
+    typename std::enable_if_t<std::is_same_v<T, U>, bool> IsSame(const T& t, const U& u) {
+        return t == u;
+    }
+
+    template <typename TPath>
+    bool IsValidNotification(const TPath& path, const NKikimrSchemeBoard::TEvNotify& record) {
+        bool valid = false;
+
+        if (record.HasPath()) {
+            valid = IsSame(path, record.GetPath());
+        }
+
         if (!valid && (record.HasPathOwnerId() && record.HasLocalPathId())) {
             valid = IsSame(path, TPathId(record.GetPathOwnerId(), record.GetLocalPathId()));
-        } 
- 
-        return valid; 
-    } 
- 
+        }
+
+        return valid;
+    }
+
     struct TPathVersion {
         TPathId PathId;
         ui64 Version;
@@ -72,21 +72,21 @@ namespace {
         {
         }
 
-        explicit TPathVersion(const TPathId& pathId, const ui64 version) 
+        explicit TPathVersion(const TPathId& pathId, const ui64 version)
             : PathId(pathId)
             , Version(version)
         {
         }
 
-        static TPathVersion FromNotify(const NKikimrSchemeBoard::TEvNotify& record) { 
-            TPathId pathId; 
-            if (record.HasPathOwnerId() && record.HasLocalPathId()) { 
-                pathId = TPathId(record.GetPathOwnerId(), record.GetLocalPathId()); 
-            } 
- 
-            return TPathVersion(pathId, record.GetVersion()); 
-        } 
- 
+        static TPathVersion FromNotify(const NKikimrSchemeBoard::TEvNotify& record) {
+            TPathId pathId;
+            if (record.HasPathOwnerId() && record.HasLocalPathId()) {
+                pathId = TPathId(record.GetPathOwnerId(), record.GetLocalPathId());
+            }
+
+            return TPathVersion(pathId, record.GetVersion());
+        }
+
         TString ToString() const {
             TString result;
             TStringOutput out(result);
@@ -95,11 +95,11 @@ namespace {
         }
 
         void Out(IOutputStream& o) const {
-            if (!*this) { 
-                PathId.Out(o); 
-            } else { 
-                o << "(PathId: " << PathId.ToString() << ", Version: " << Version << ")"; 
-            } 
+            if (!*this) {
+                PathId.Out(o);
+            } else {
+                o << "(PathId: " << PathId.ToString() << ", Version: " << Version << ")";
+            }
         }
 
         bool operator<(const TPathVersion& x) const {
@@ -125,94 +125,94 @@ namespace {
         }
     };
 
-    struct TState { 
-        bool Deleted = false; 
-        bool Strong = false; 
-        TPathVersion Version; 
-        TDomainId DomainId; 
-        TSet<ui64> AbandonedSchemeShards; 
- 
-        TState() = default; 
- 
-    private: 
-        explicit TState(const TPathVersion& version, const TDomainId& domainId, const TSet<ui64>& abandonedSchemeShards) 
-            : Deleted(false) 
-            , Strong(true) 
-            , Version(version) 
-            , DomainId(domainId) 
-            , AbandonedSchemeShards(abandonedSchemeShards) 
-        { 
-        } 
- 
-        explicit TState(bool strong, const TPathVersion& version) 
-            : Deleted(true) 
-            , Strong(strong) 
-            , Version(version) 
-        { 
-        } 
- 
-    public: 
-        static TState FromNotify(const NKikimrSchemeBoard::TEvNotify& record) { 
-            if (!record.GetIsDeletion()) { 
-                return TState( 
-                    TPathVersion::FromNotify(record), 
-                    GetDomainId(record.GetDescribeSchemeResult()), 
-                    GetAbandonedSchemeShardIds(record.GetDescribeSchemeResult()) 
-                ); 
-            } else { 
-                return TState(record.GetStrong(), TPathVersion::FromNotify(record)); 
-            } 
-        } 
- 
-        TString ToString() const { 
-            TString result; 
-            TStringOutput out(result); 
-            Out(out); 
-            return result; 
-        } 
- 
-        void Out(IOutputStream& o) const { 
-            o << "{" 
-                << " Deleted: " << Deleted 
-                << " Strong: " << Strong 
-                << " Version: " << Version 
-                << " DomainId: " << DomainId 
-                << " AbandonedSchemeShards: " << "there are " << AbandonedSchemeShards.size() << " elements"; 
-            if (AbandonedSchemeShards.size() > 0) { 
-                o << ", first is " << *AbandonedSchemeShards.begin(); 
-            } 
-            if (AbandonedSchemeShards.size() > 1) { 
-                o << ", last is " << *AbandonedSchemeShards.rbegin(); 
-            } 
-            o << " }"; 
-        } 
- 
-        bool LessThan(const TState& other, TString& reason) const { 
-            if (!Strong && other.Strong) { 
-                reason = "Update to strong state"; 
-                return true; 
-            } 
- 
-            if (!other.Version) { 
-                reason = "Ignore empty state"; 
-                return false; 
-            } 
- 
-            if (!Version) { 
-                reason = "Update to non-empty state"; 
-                return true; 
-            } 
- 
+    struct TState {
+        bool Deleted = false;
+        bool Strong = false;
+        TPathVersion Version;
+        TDomainId DomainId;
+        TSet<ui64> AbandonedSchemeShards;
+
+        TState() = default;
+
+    private:
+        explicit TState(const TPathVersion& version, const TDomainId& domainId, const TSet<ui64>& abandonedSchemeShards)
+            : Deleted(false)
+            , Strong(true)
+            , Version(version)
+            , DomainId(domainId)
+            , AbandonedSchemeShards(abandonedSchemeShards)
+        {
+        }
+
+        explicit TState(bool strong, const TPathVersion& version)
+            : Deleted(true)
+            , Strong(strong)
+            , Version(version)
+        {
+        }
+
+    public:
+        static TState FromNotify(const NKikimrSchemeBoard::TEvNotify& record) {
+            if (!record.GetIsDeletion()) {
+                return TState(
+                    TPathVersion::FromNotify(record),
+                    GetDomainId(record.GetDescribeSchemeResult()),
+                    GetAbandonedSchemeShardIds(record.GetDescribeSchemeResult())
+                );
+            } else {
+                return TState(record.GetStrong(), TPathVersion::FromNotify(record));
+            }
+        }
+
+        TString ToString() const {
+            TString result;
+            TStringOutput out(result);
+            Out(out);
+            return result;
+        }
+
+        void Out(IOutputStream& o) const {
+            o << "{"
+                << " Deleted: " << Deleted
+                << " Strong: " << Strong
+                << " Version: " << Version
+                << " DomainId: " << DomainId
+                << " AbandonedSchemeShards: " << "there are " << AbandonedSchemeShards.size() << " elements";
+            if (AbandonedSchemeShards.size() > 0) {
+                o << ", first is " << *AbandonedSchemeShards.begin();
+            }
+            if (AbandonedSchemeShards.size() > 1) {
+                o << ", last is " << *AbandonedSchemeShards.rbegin();
+            }
+            o << " }";
+        }
+
+        bool LessThan(const TState& other, TString& reason) const {
+            if (!Strong && other.Strong) {
+                reason = "Update to strong state";
+                return true;
+            }
+
+            if (!other.Version) {
+                reason = "Ignore empty state";
+                return false;
+            }
+
+            if (!Version) {
+                reason = "Update to non-empty state";
+                return true;
+            }
+
             if (Version.PathId.OwnerId == other.Version.PathId.OwnerId) {
-                if (other.Version <= Version) { 
-                    reason = "Path was already updated"; 
-                    return false; 
-                } 
- 
-                reason = "Path was updated to new version"; 
-                return true; 
-            } 
- 
+                if (other.Version <= Version) {
+                    reason = "Path was already updated";
+                    return false;
+                }
+
+                reason = "Path was updated to new version";
+                return true;
+            }
+
             if (!DomainId && Deleted) {
                 if (other.Version <= Version) {
                     reason = "Path was already deleted";
@@ -223,28 +223,28 @@ namespace {
                 return true;
             }
 
-            // it is only because we need to manage undo of upgrade subdomain, finally remove it 
- 
-            if (Version.PathId == other.DomainId) { //Update from TSS, GSS->TSS 
-                if (AbandonedSchemeShards.contains(other.Version.PathId.OwnerId)) { //TSS is ignored, present GSS reverted that TSS 
-                    reason = "Update was ignored, GSS implisytly banned that TSS"; 
-                    return false; 
-                } 
- 
-                reason = "Path was updated as a replacement from TSS, GSS->TSS"; 
-                return true; 
-            } 
- 
-            if (DomainId == other.Version.PathId) { //Update from GSS, TSS->GSS 
-                if (other.AbandonedSchemeShards.contains(Version.PathId.OwnerId)) { //GSS reverts TSS 
-                    reason = "Path was updated as a replacement from GSS, GSS implicitly reverts TSS"; 
-                    return true; 
-                } 
- 
-                reason = "Update was ignored, TSS is preserved"; 
-                return false; 
-            } 
- 
+            // it is only because we need to manage undo of upgrade subdomain, finally remove it
+
+            if (Version.PathId == other.DomainId) { //Update from TSS, GSS->TSS
+                if (AbandonedSchemeShards.contains(other.Version.PathId.OwnerId)) { //TSS is ignored, present GSS reverted that TSS
+                    reason = "Update was ignored, GSS implisytly banned that TSS";
+                    return false;
+                }
+
+                reason = "Path was updated as a replacement from TSS, GSS->TSS";
+                return true;
+            }
+
+            if (DomainId == other.Version.PathId) { //Update from GSS, TSS->GSS
+                if (other.AbandonedSchemeShards.contains(Version.PathId.OwnerId)) { //GSS reverts TSS
+                    reason = "Path was updated as a replacement from GSS, GSS implicitly reverts TSS";
+                    return true;
+                }
+
+                reason = "Update was ignored, TSS is preserved";
+                return false;
+            }
+
             if (DomainId == other.DomainId) {
                 if (other.Version <= Version) {
                     reason = "Path was already updated";
@@ -261,799 +261,799 @@ namespace {
                 return false;
             }
 
-            Y_FAIL_S("Unknown update" 
-                << ": state# " << *this 
-                << ", other state# " << other); 
-        } 
- 
-        bool LessThan(const TState& other) const { 
-            TString unused; 
-            return LessThan(other, unused); 
-        } 
- 
-    }; 
- 
-} // anonymous 
- 
-template <typename TPath, typename TDerived> 
-class TReplicaSubscriber: public TMonitorableActor<TDerived> { 
-    void Handle(TSchemeBoardEvents::TEvNotify::TPtr& ev) { 
-        auto& record = *ev->Get()->MutableRecord(); 
- 
-        SBS_LOG_D("Handle TSchemeBoardEvents::TEvNotify" 
-            << ": sender# " << ev->Sender); 
-        SBS_LOG_T("Message:\n" << record.ShortDebugString()); 
- 
-        this->Send(ev->Sender, new TSchemeBoardEvents::TEvNotifyAck(record.GetVersion())); 
- 
-        if (!IsValidNotification(Path, record)) { 
-            SBS_LOG_E("Suspicious notification" 
-                << ": sender# " << ev->Sender 
-                << ", other path# " << record.GetPath() 
-                << ", other pathId# " << TPathId(record.GetPathOwnerId(), record.GetLocalPathId())); 
-            return; 
-        } 
- 
-        this->Send(Parent, ev->Release().Release(), 0, ev->Cookie); 
-    } 
- 
-    void Handle(TSchemeBoardEvents::TEvSyncVersionRequest::TPtr& ev) { 
-        SBS_LOG_D("Handle TSchemeBoardEvents::TEvSyncVersionRequest" 
-            << ": sender# " << ev->Sender 
-            << ", cookie# " << ev->Cookie); 
- 
-        CurrentSyncRequest = ev->Cookie; 
-        this->Send(Replica, ev->Release().Release(), IEventHandle::FlagTrackDelivery, ev->Cookie); 
-    } 
- 
-    void Handle(TSchemeBoardEvents::TEvSyncVersionResponse::TPtr& ev) { 
-        SBS_LOG_D("Handle TSchemeBoardEvents::TEvSyncVersionResponse" 
-            << ": sender# " << ev->Sender 
-            << ", cookie# " << ev->Cookie); 
- 
-        if (ev->Cookie != CurrentSyncRequest) { 
-            return; 
-        } 
- 
-        this->Send(Parent, ev->Release().Release(), 0, ev->Cookie); 
-        CurrentSyncRequest = 0; 
-    } 
- 
-    void Handle(TSchemeBoardMonEvents::TEvInfoRequest::TPtr& ev) { 
-        auto response = MakeHolder<TSchemeBoardMonEvents::TEvInfoResponse>(this->SelfId(), this->ActorActivityType()); 
-        auto& record = *response->Record.MutableReplicaSubscriberResponse(); 
- 
-        ActorIdToProto(Parent, record.MutableParent()); 
-        ActorIdToProto(Replica, record.MutableReplica()); 
- 
-        record.SetDomainOwnerId(DomainOwnerId); 
-        record.SetCurrentSyncRequest(CurrentSyncRequest); 
- 
-        if constexpr (std::is_same_v<TPath, TString>) { 
-            record.SetPath(Path); 
-        } else { 
-            record.MutablePathId()->SetOwnerId(Path.OwnerId); 
-            record.MutablePathId()->SetLocalPathId(Path.LocalPathId); 
-        } 
- 
-        this->Send(ev->Sender, std::move(response), 0, ev->Cookie); 
-    } 
- 
-    void PassAway() override { 
-        if (Replica.NodeId() != this->SelfId().NodeId()) { 
-            this->Send(MakeInterconnectProxyId(Replica.NodeId()), new TEvents::TEvUnsubscribe()); 
-        } 
- 
-        this->Send(Replica, new TSchemeBoardEvents::TEvUnsubscribe(Path)); 
-        this->Send(Parent, new TEvents::TEvGone()); 
- 
-        TMonitorableActor<TDerived>::PassAway(); 
-    } 
- 
-    NJson::TJsonMap MonAttributes() const override { 
-        return { 
-            {"Parent", TMonitorableActor<TDerived>::PrintActorIdAttr(NKikimrServices::TActivity::SCHEME_BOARD_SUBSCRIBER_PROXY_ACTOR, Parent)}, 
-            {"Replica", TMonitorableActor<TDerived>::PrintActorIdAttr(NKikimrServices::TActivity::SCHEME_BOARD_REPLICA_ACTOR, Replica)}, 
-            {"Path", ToString(Path)}, 
-        }; 
-    } 
- 
-public: 
-    static constexpr NKikimrServices::TActivity::EType ActorActivityType() { 
-        return NKikimrServices::TActivity::SCHEME_BOARD_REPLICA_SUBSCRIBER_ACTOR; 
-    } 
- 
-    static constexpr TStringBuf LogPrefix() { 
+            Y_FAIL_S("Unknown update"
+                << ": state# " << *this
+                << ", other state# " << other);
+        }
+
+        bool LessThan(const TState& other) const {
+            TString unused;
+            return LessThan(other, unused);
+        }
+
+    };
+
+} // anonymous
+
+template <typename TPath, typename TDerived>
+class TReplicaSubscriber: public TMonitorableActor<TDerived> {
+    void Handle(TSchemeBoardEvents::TEvNotify::TPtr& ev) {
+        auto& record = *ev->Get()->MutableRecord();
+
+        SBS_LOG_D("Handle TSchemeBoardEvents::TEvNotify"
+            << ": sender# " << ev->Sender);
+        SBS_LOG_T("Message:\n" << record.ShortDebugString());
+
+        this->Send(ev->Sender, new TSchemeBoardEvents::TEvNotifyAck(record.GetVersion()));
+
+        if (!IsValidNotification(Path, record)) {
+            SBS_LOG_E("Suspicious notification"
+                << ": sender# " << ev->Sender
+                << ", other path# " << record.GetPath()
+                << ", other pathId# " << TPathId(record.GetPathOwnerId(), record.GetLocalPathId()));
+            return;
+        }
+
+        this->Send(Parent, ev->Release().Release(), 0, ev->Cookie);
+    }
+
+    void Handle(TSchemeBoardEvents::TEvSyncVersionRequest::TPtr& ev) {
+        SBS_LOG_D("Handle TSchemeBoardEvents::TEvSyncVersionRequest"
+            << ": sender# " << ev->Sender
+            << ", cookie# " << ev->Cookie);
+
+        CurrentSyncRequest = ev->Cookie;
+        this->Send(Replica, ev->Release().Release(), IEventHandle::FlagTrackDelivery, ev->Cookie);
+    }
+
+    void Handle(TSchemeBoardEvents::TEvSyncVersionResponse::TPtr& ev) {
+        SBS_LOG_D("Handle TSchemeBoardEvents::TEvSyncVersionResponse"
+            << ": sender# " << ev->Sender
+            << ", cookie# " << ev->Cookie);
+
+        if (ev->Cookie != CurrentSyncRequest) {
+            return;
+        }
+
+        this->Send(Parent, ev->Release().Release(), 0, ev->Cookie);
+        CurrentSyncRequest = 0;
+    }
+
+    void Handle(TSchemeBoardMonEvents::TEvInfoRequest::TPtr& ev) {
+        auto response = MakeHolder<TSchemeBoardMonEvents::TEvInfoResponse>(this->SelfId(), this->ActorActivityType());
+        auto& record = *response->Record.MutableReplicaSubscriberResponse();
+
+        ActorIdToProto(Parent, record.MutableParent());
+        ActorIdToProto(Replica, record.MutableReplica());
+
+        record.SetDomainOwnerId(DomainOwnerId);
+        record.SetCurrentSyncRequest(CurrentSyncRequest);
+
+        if constexpr (std::is_same_v<TPath, TString>) {
+            record.SetPath(Path);
+        } else {
+            record.MutablePathId()->SetOwnerId(Path.OwnerId);
+            record.MutablePathId()->SetLocalPathId(Path.LocalPathId);
+        }
+
+        this->Send(ev->Sender, std::move(response), 0, ev->Cookie);
+    }
+
+    void PassAway() override {
+        if (Replica.NodeId() != this->SelfId().NodeId()) {
+            this->Send(MakeInterconnectProxyId(Replica.NodeId()), new TEvents::TEvUnsubscribe());
+        }
+
+        this->Send(Replica, new TSchemeBoardEvents::TEvUnsubscribe(Path));
+        this->Send(Parent, new TEvents::TEvGone());
+
+        TMonitorableActor<TDerived>::PassAway();
+    }
+
+    NJson::TJsonMap MonAttributes() const override {
+        return {
+            {"Parent", TMonitorableActor<TDerived>::PrintActorIdAttr(NKikimrServices::TActivity::SCHEME_BOARD_SUBSCRIBER_PROXY_ACTOR, Parent)},
+            {"Replica", TMonitorableActor<TDerived>::PrintActorIdAttr(NKikimrServices::TActivity::SCHEME_BOARD_REPLICA_ACTOR, Replica)},
+            {"Path", ToString(Path)},
+        };
+    }
+
+public:
+    static constexpr NKikimrServices::TActivity::EType ActorActivityType() {
+        return NKikimrServices::TActivity::SCHEME_BOARD_REPLICA_SUBSCRIBER_ACTOR;
+    }
+
+    static constexpr TStringBuf LogPrefix() {
         return "replica"sv;
-    } 
- 
-    explicit TReplicaSubscriber( 
-            const TActorId& parent, 
-            const TActorId& replica, 
-            const TPath& path, 
-            const ui64 domainOwnerId) 
-        : Parent(parent) 
-        , Replica(replica) 
-        , Path(path) 
-        , DomainOwnerId(domainOwnerId) 
-        , CurrentSyncRequest(0) 
-    { 
-    } 
- 
-    void Bootstrap(const TActorContext&) { 
-        TMonitorableActor<TDerived>::Bootstrap(); 
- 
-        this->Send(Replica, new TSchemeBoardEvents::TEvSubscribe(Path, DomainOwnerId), 
-            IEventHandle::FlagTrackDelivery | IEventHandle::FlagSubscribeOnSession); 
-        this->Become(&TDerived::StateWork); 
-    } 
- 
-    STATEFN(StateWork) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TSchemeBoardEvents::TEvNotify, Handle); 
-            hFunc(TSchemeBoardEvents::TEvSyncVersionRequest, Handle); 
-            hFunc(TSchemeBoardEvents::TEvSyncVersionResponse, Handle); 
- 
-            hFunc(TSchemeBoardMonEvents::TEvInfoRequest, Handle); 
- 
-            cFunc(TEvInterconnect::TEvNodeDisconnected::EventType, PassAway); 
-            cFunc(TEvents::TEvUndelivered::EventType, PassAway); 
-            cFunc(TEvents::TEvPoisonPill::EventType, PassAway); 
-        } 
-    } 
- 
-    using TBase = TReplicaSubscriber<TPath, TDerived>; 
- 
-private: 
-    const TActorId Parent; 
-    const TActorId Replica; 
-    const TPath Path; 
-    const ui64 DomainOwnerId; 
- 
-    ui64 CurrentSyncRequest; 
- 
-}; // TReplicaSubscriber 
- 
-class TReplicaSubscriberByPath: public TReplicaSubscriber<TString, TReplicaSubscriberByPath> { 
-public: 
-    using TBase::TBase; 
-}; 
- 
-class TReplicaSubscriberByPathId: public TReplicaSubscriber<TPathId, TReplicaSubscriberByPathId> { 
-public: 
-    using TBase::TBase; 
-}; 
- 
-template <typename TPath, typename TDerived, typename TReplicaDerived> 
-class TSubscriberProxy: public TMonitorableActor<TDerived> { 
-    void Handle(TSchemeBoardEvents::TEvNotify::TPtr& ev) { 
-        if (ev->Sender != ReplicaSubscriber) { 
-            return; 
-        } 
- 
-        this->Send(Parent, ev->Release().Release(), 0, ev->Cookie); 
-        Delay = DefaultDelay; 
-    } 
- 
-    void Handle(TSchemeBoardEvents::TEvSyncVersionRequest::TPtr& ev) { 
+    }
+
+    explicit TReplicaSubscriber(
+            const TActorId& parent,
+            const TActorId& replica,
+            const TPath& path,
+            const ui64 domainOwnerId)
+        : Parent(parent)
+        , Replica(replica)
+        , Path(path)
+        , DomainOwnerId(domainOwnerId)
+        , CurrentSyncRequest(0)
+    {
+    }
+
+    void Bootstrap(const TActorContext&) {
+        TMonitorableActor<TDerived>::Bootstrap();
+
+        this->Send(Replica, new TSchemeBoardEvents::TEvSubscribe(Path, DomainOwnerId),
+            IEventHandle::FlagTrackDelivery | IEventHandle::FlagSubscribeOnSession);
+        this->Become(&TDerived::StateWork);
+    }
+
+    STATEFN(StateWork) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TSchemeBoardEvents::TEvNotify, Handle);
+            hFunc(TSchemeBoardEvents::TEvSyncVersionRequest, Handle);
+            hFunc(TSchemeBoardEvents::TEvSyncVersionResponse, Handle);
+
+            hFunc(TSchemeBoardMonEvents::TEvInfoRequest, Handle);
+
+            cFunc(TEvInterconnect::TEvNodeDisconnected::EventType, PassAway);
+            cFunc(TEvents::TEvUndelivered::EventType, PassAway);
+            cFunc(TEvents::TEvPoisonPill::EventType, PassAway);
+        }
+    }
+
+    using TBase = TReplicaSubscriber<TPath, TDerived>;
+
+private:
+    const TActorId Parent;
+    const TActorId Replica;
+    const TPath Path;
+    const ui64 DomainOwnerId;
+
+    ui64 CurrentSyncRequest;
+
+}; // TReplicaSubscriber
+
+class TReplicaSubscriberByPath: public TReplicaSubscriber<TString, TReplicaSubscriberByPath> {
+public:
+    using TBase::TBase;
+};
+
+class TReplicaSubscriberByPathId: public TReplicaSubscriber<TPathId, TReplicaSubscriberByPathId> {
+public:
+    using TBase::TBase;
+};
+
+template <typename TPath, typename TDerived, typename TReplicaDerived>
+class TSubscriberProxy: public TMonitorableActor<TDerived> {
+    void Handle(TSchemeBoardEvents::TEvNotify::TPtr& ev) {
+        if (ev->Sender != ReplicaSubscriber) {
+            return;
+        }
+
+        this->Send(Parent, ev->Release().Release(), 0, ev->Cookie);
+        Delay = DefaultDelay;
+    }
+
+    void Handle(TSchemeBoardEvents::TEvSyncVersionRequest::TPtr& ev) {
         CurrentSyncRequest = ev->Cookie;
-        this->Send(ReplicaSubscriber, ev->Release().Release(), 0, ev->Cookie); 
-    } 
- 
-    void HandleSleep(TSchemeBoardEvents::TEvSyncVersionRequest::TPtr& ev) { 
-        this->Send(Parent, new TSchemeBoardEvents::TEvSyncVersionResponse(0, true), 0, ev->Cookie); 
-    } 
- 
-    void Handle(TSchemeBoardEvents::TEvSyncVersionResponse::TPtr& ev) { 
+        this->Send(ReplicaSubscriber, ev->Release().Release(), 0, ev->Cookie);
+    }
+
+    void HandleSleep(TSchemeBoardEvents::TEvSyncVersionRequest::TPtr& ev) {
+        this->Send(Parent, new TSchemeBoardEvents::TEvSyncVersionResponse(0, true), 0, ev->Cookie);
+    }
+
+    void Handle(TSchemeBoardEvents::TEvSyncVersionResponse::TPtr& ev) {
         if (ev->Sender != ReplicaSubscriber || ev->Cookie != CurrentSyncRequest) {
-            return; 
-        } 
- 
-        this->Send(Parent, ev->Release().Release(), 0, ev->Cookie); 
+            return;
+        }
+
+        this->Send(Parent, ev->Release().Release(), 0, ev->Cookie);
         CurrentSyncRequest = 0;
-    } 
- 
-    void Handle(TSchemeBoardMonEvents::TEvInfoRequest::TPtr& ev) { 
-        auto response = MakeHolder<TSchemeBoardMonEvents::TEvInfoResponse>(this->SelfId(), this->ActorActivityType()); 
-        auto& record = *response->Record.MutableSubscriberProxyResponse(); 
- 
-        ActorIdToProto(Parent, record.MutableParent()); 
-        ActorIdToProto(Replica, record.MutableReplica()); 
-        ActorIdToProto(ReplicaSubscriber, record.MutableReplicaSubscriber()); 
- 
-        record.SetDomainOwnerId(DomainOwnerId); 
-        record.SetCurrentSyncRequest(CurrentSyncRequest); 
- 
-        if constexpr (std::is_same_v<TPath, TString>) { 
-            record.SetPath(Path); 
-        } else { 
-            record.MutablePathId()->SetOwnerId(Path.OwnerId); 
-            record.MutablePathId()->SetLocalPathId(Path.LocalPathId); 
-        } 
- 
-        this->Send(ev->Sender, std::move(response), 0, ev->Cookie); 
-    } 
- 
-    void Handle(TEvents::TEvGone::TPtr& ev) { 
-        if (ev->Sender != ReplicaSubscriber) { 
-            return; 
-        } 
- 
+    }
+
+    void Handle(TSchemeBoardMonEvents::TEvInfoRequest::TPtr& ev) {
+        auto response = MakeHolder<TSchemeBoardMonEvents::TEvInfoResponse>(this->SelfId(), this->ActorActivityType());
+        auto& record = *response->Record.MutableSubscriberProxyResponse();
+
+        ActorIdToProto(Parent, record.MutableParent());
+        ActorIdToProto(Replica, record.MutableReplica());
+        ActorIdToProto(ReplicaSubscriber, record.MutableReplicaSubscriber());
+
+        record.SetDomainOwnerId(DomainOwnerId);
+        record.SetCurrentSyncRequest(CurrentSyncRequest);
+
+        if constexpr (std::is_same_v<TPath, TString>) {
+            record.SetPath(Path);
+        } else {
+            record.MutablePathId()->SetOwnerId(Path.OwnerId);
+            record.MutablePathId()->SetLocalPathId(Path.LocalPathId);
+        }
+
+        this->Send(ev->Sender, std::move(response), 0, ev->Cookie);
+    }
+
+    void Handle(TEvents::TEvGone::TPtr& ev) {
+        if (ev->Sender != ReplicaSubscriber) {
+            return;
+        }
+
         if (CurrentSyncRequest) {
             this->Send(Parent, new TSchemeBoardEvents::TEvSyncVersionResponse(0, true), 0, CurrentSyncRequest);
             CurrentSyncRequest = 0;
         }
 
-        ReplicaSubscriber = TActorId(); 
-        this->Send(Parent, new TSchemeBoardEvents::TEvNotifyBuilder(Path, true)); 
-        this->Become(&TDerived::StateSleep, Delay, new TEvents::TEvWakeup()); 
-        Delay = Min(Delay * 2, MaxDelay); 
-    } 
- 
-    void PassAway() override { 
-        if (ReplicaSubscriber) { 
-            this->Send(ReplicaSubscriber, new TEvents::TEvPoisonPill()); 
-        } 
- 
-        TMonitorableActor<TDerived>::PassAway(); 
-    } 
- 
-    NJson::TJsonMap MonAttributes() const override { 
-        return { 
-            {"Parent", TMonitorableActor<TDerived>::PrintActorIdAttr(NKikimrServices::TActivity::SCHEME_BOARD_SUBSCRIBER_ACTOR, Parent)}, 
-            {"Replica", TMonitorableActor<TDerived>::PrintActorIdAttr(NKikimrServices::TActivity::SCHEME_BOARD_REPLICA_ACTOR, Replica)}, 
-            {"Path", ToString(Path)}, 
-        }; 
-    } 
- 
-public: 
+        ReplicaSubscriber = TActorId();
+        this->Send(Parent, new TSchemeBoardEvents::TEvNotifyBuilder(Path, true));
+        this->Become(&TDerived::StateSleep, Delay, new TEvents::TEvWakeup());
+        Delay = Min(Delay * 2, MaxDelay);
+    }
+
+    void PassAway() override {
+        if (ReplicaSubscriber) {
+            this->Send(ReplicaSubscriber, new TEvents::TEvPoisonPill());
+        }
+
+        TMonitorableActor<TDerived>::PassAway();
+    }
+
+    NJson::TJsonMap MonAttributes() const override {
+        return {
+            {"Parent", TMonitorableActor<TDerived>::PrintActorIdAttr(NKikimrServices::TActivity::SCHEME_BOARD_SUBSCRIBER_ACTOR, Parent)},
+            {"Replica", TMonitorableActor<TDerived>::PrintActorIdAttr(NKikimrServices::TActivity::SCHEME_BOARD_REPLICA_ACTOR, Replica)},
+            {"Path", ToString(Path)},
+        };
+    }
+
+public:
     static constexpr NKikimrServices::TActivity::EType ActorActivityType() {
-        return NKikimrServices::TActivity::SCHEME_BOARD_SUBSCRIBER_PROXY_ACTOR; 
-    } 
- 
-    static constexpr TStringBuf LogPrefix() { 
+        return NKikimrServices::TActivity::SCHEME_BOARD_SUBSCRIBER_PROXY_ACTOR;
+    }
+
+    static constexpr TStringBuf LogPrefix() {
         return "proxy"sv;
-    } 
- 
-    explicit TSubscriberProxy( 
-            const TActorId& parent, 
-            const TActorId& replica, 
-            const TPath& path, 
-            const ui64 domainOwnerId) 
-        : Parent(parent) 
-        , Replica(replica) 
-        , Path(path) 
-        , DomainOwnerId(domainOwnerId) 
-        , Delay(DefaultDelay) 
+    }
+
+    explicit TSubscriberProxy(
+            const TActorId& parent,
+            const TActorId& replica,
+            const TPath& path,
+            const ui64 domainOwnerId)
+        : Parent(parent)
+        , Replica(replica)
+        , Path(path)
+        , DomainOwnerId(domainOwnerId)
+        , Delay(DefaultDelay)
         , CurrentSyncRequest(0)
-    { 
-    } 
- 
-    void Bootstrap(const TActorContext&) { 
-        TMonitorableActor<TDerived>::Bootstrap(); 
- 
+    {
+    }
+
+    void Bootstrap(const TActorContext&) {
+        TMonitorableActor<TDerived>::Bootstrap();
+
         ReplicaSubscriber = this->RegisterWithSameMailbox(new TReplicaDerived(this->SelfId(), Replica, Path, DomainOwnerId));
-        this->Become(&TDerived::StateWork); 
-    } 
- 
-    STATEFN(StateWork) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TSchemeBoardEvents::TEvNotify, Handle); 
-            hFunc(TSchemeBoardEvents::TEvSyncVersionRequest, Handle); 
-            hFunc(TSchemeBoardEvents::TEvSyncVersionResponse, Handle); 
- 
-            hFunc(TSchemeBoardMonEvents::TEvInfoRequest, Handle); 
- 
-            hFunc(TEvents::TEvGone, Handle); 
-            cFunc(TEvents::TEvPoisonPill::EventType, PassAway); 
-        } 
-    } 
- 
-    STFUNC(StateSleep) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TSchemeBoardEvents::TEvSyncVersionRequest, HandleSleep); 
- 
-            hFunc(TSchemeBoardMonEvents::TEvInfoRequest, Handle); 
- 
-            CFunc(TEvents::TEvWakeup::EventType, Bootstrap); 
-            cFunc(TEvents::TEvPoisonPill::EventType, PassAway); 
-        } 
-    } 
- 
-    using TBase = TSubscriberProxy<TPath, TDerived, TReplicaDerived>; 
- 
-private: 
+        this->Become(&TDerived::StateWork);
+    }
+
+    STATEFN(StateWork) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TSchemeBoardEvents::TEvNotify, Handle);
+            hFunc(TSchemeBoardEvents::TEvSyncVersionRequest, Handle);
+            hFunc(TSchemeBoardEvents::TEvSyncVersionResponse, Handle);
+
+            hFunc(TSchemeBoardMonEvents::TEvInfoRequest, Handle);
+
+            hFunc(TEvents::TEvGone, Handle);
+            cFunc(TEvents::TEvPoisonPill::EventType, PassAway);
+        }
+    }
+
+    STFUNC(StateSleep) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TSchemeBoardEvents::TEvSyncVersionRequest, HandleSleep);
+
+            hFunc(TSchemeBoardMonEvents::TEvInfoRequest, Handle);
+
+            CFunc(TEvents::TEvWakeup::EventType, Bootstrap);
+            cFunc(TEvents::TEvPoisonPill::EventType, PassAway);
+        }
+    }
+
+    using TBase = TSubscriberProxy<TPath, TDerived, TReplicaDerived>;
+
+private:
     const TActorId Parent;
     const TActorId Replica;
-    const TPath Path; 
-    const ui64 DomainOwnerId; 
- 
-    TActorId ReplicaSubscriber; 
-    TDuration Delay; 
- 
+    const TPath Path;
+    const ui64 DomainOwnerId;
+
+    TActorId ReplicaSubscriber;
+    TDuration Delay;
+
     ui64 CurrentSyncRequest;
 
-    static constexpr TDuration DefaultDelay = TDuration::MilliSeconds(10); 
-    static constexpr TDuration MaxDelay = TDuration::Seconds(5); 
- 
-}; // TSubscriberProxy 
- 
-class TSubscriberProxyByPath: public TSubscriberProxy<TString, TSubscriberProxyByPath, TReplicaSubscriberByPath> { 
-public: 
-    using TBase::TBase; 
-}; 
- 
-class TSubscriberProxyByPathId: public TSubscriberProxy<TPathId, TSubscriberProxyByPathId, TReplicaSubscriberByPathId> { 
-public: 
-    using TBase::TBase; 
-}; 
- 
-template <typename TPath, typename TDerived, typename TProxyDerived> 
-class TSubscriber: public TMonitorableActor<TDerived> { 
-    template <typename TNotify, typename... Args> 
-    static THolder<TNotify> BuildNotify(const NKikimrSchemeBoard::TEvNotify& record, Args&&... args) { 
-        THolder<TNotify> notify; 
- 
-        TString path; 
-        TPathId pathId; 
- 
-        if (record.HasPath()) { 
-            path = record.GetPath(); 
-        } 
+    static constexpr TDuration DefaultDelay = TDuration::MilliSeconds(10);
+    static constexpr TDuration MaxDelay = TDuration::Seconds(5);
+
+}; // TSubscriberProxy
+
+class TSubscriberProxyByPath: public TSubscriberProxy<TString, TSubscriberProxyByPath, TReplicaSubscriberByPath> {
+public:
+    using TBase::TBase;
+};
+
+class TSubscriberProxyByPathId: public TSubscriberProxy<TPathId, TSubscriberProxyByPathId, TReplicaSubscriberByPathId> {
+public:
+    using TBase::TBase;
+};
+
+template <typename TPath, typename TDerived, typename TProxyDerived>
+class TSubscriber: public TMonitorableActor<TDerived> {
+    template <typename TNotify, typename... Args>
+    static THolder<TNotify> BuildNotify(const NKikimrSchemeBoard::TEvNotify& record, Args&&... args) {
+        THolder<TNotify> notify;
+
+        TString path;
+        TPathId pathId;
+
+        if (record.HasPath()) {
+            path = record.GetPath();
+        }
         if (record.HasPathOwnerId() && record.HasLocalPathId()) {
             pathId = TPathId(record.GetPathOwnerId(), record.GetLocalPathId());
-        } 
- 
-        Y_VERIFY(path || pathId); 
- 
-        if (!pathId) { 
+        }
+
+        Y_VERIFY(path || pathId);
+
+        if (!pathId) {
             notify = MakeHolder<TNotify>(path, std::forward<Args>(args)...);
-        } else if (!path) { 
+        } else if (!path) {
             notify = MakeHolder<TNotify>(pathId, std::forward<Args>(args)...);
-        } else { 
+        } else {
             notify = MakeHolder<TNotify>(path, pathId, std::forward<Args>(args)...);
-        } 
- 
-        return notify; 
-    } 
- 
+        }
+
+        return notify;
+    }
+
     TMap<TActorId, TState>::const_iterator SelectStateImpl() const {
-        Y_VERIFY(!States.empty()); 
- 
-        auto it = States.begin(); 
-        auto newest = it; 
- 
-        while (++it != States.end()) { 
-            if (newest->second.LessThan(it->second)) { 
-                newest = it; 
-            } 
-        } 
- 
-        return newest; 
-    } 
- 
-    const TState& SelectState() const { 
-        auto it = SelectStateImpl(); 
-        Y_VERIFY(it != States.end()); 
-        return it->second; 
-    } 
- 
-    NKikimrSchemeBoard::TEvNotify& SelectResponse() { 
-        Y_VERIFY(IsMajorityReached()); 
- 
-        auto newest = SelectStateImpl(); 
-        Y_VERIFY(newest != States.end()); 
- 
-        auto it = InitialResponses.find(newest->first); 
-        Y_VERIFY(it != InitialResponses.end()); 
- 
-        return it->second; 
-    } 
- 
-    bool IsMajorityReached() const { 
-        return InitialResponses.size() > (Proxies.size() / 2); 
-    } 
- 
-    void EnqueueSyncRequest(TSchemeBoardEvents::TEvSyncRequest::TPtr& ev) { 
-        DelayedSyncRequest = Max(DelayedSyncRequest, ev->Cookie); 
-    } 
- 
-    bool MaybeRunVersionSync() { 
-        if (!DelayedSyncRequest) { 
-            return false; 
-        } 
- 
-        CurrentSyncRequest = DelayedSyncRequest; 
-        DelayedSyncRequest = 0; 
- 
-        Y_VERIFY(PendingSync.empty()); 
-        for (const auto& proxy : Proxies) { 
-            this->Send(proxy, new TSchemeBoardEvents::TEvSyncVersionRequest(Path), 0, CurrentSyncRequest); 
-            PendingSync.emplace(proxy); 
-        } 
- 
-        return true; 
-    } 
- 
-    void Handle(TSchemeBoardEvents::TEvNotify::TPtr& ev) { 
-        auto& record = *ev->Get()->MutableRecord(); 
- 
-        SBS_LOG_D("Handle TSchemeBoardEvents::TEvNotify" 
-            << ": sender# " << ev->Sender); 
-        SBS_LOG_T("Message:\n" << record.ShortDebugString()); 
- 
-        if (!IsValidNotification(Path, record)) { 
-            SBS_LOG_E("Suspicious notification" 
-                << ": sender# " << ev->Sender 
-                << ", other path# " << record.GetPath() 
+        Y_VERIFY(!States.empty());
+
+        auto it = States.begin();
+        auto newest = it;
+
+        while (++it != States.end()) {
+            if (newest->second.LessThan(it->second)) {
+                newest = it;
+            }
+        }
+
+        return newest;
+    }
+
+    const TState& SelectState() const {
+        auto it = SelectStateImpl();
+        Y_VERIFY(it != States.end());
+        return it->second;
+    }
+
+    NKikimrSchemeBoard::TEvNotify& SelectResponse() {
+        Y_VERIFY(IsMajorityReached());
+
+        auto newest = SelectStateImpl();
+        Y_VERIFY(newest != States.end());
+
+        auto it = InitialResponses.find(newest->first);
+        Y_VERIFY(it != InitialResponses.end());
+
+        return it->second;
+    }
+
+    bool IsMajorityReached() const {
+        return InitialResponses.size() > (Proxies.size() / 2);
+    }
+
+    void EnqueueSyncRequest(TSchemeBoardEvents::TEvSyncRequest::TPtr& ev) {
+        DelayedSyncRequest = Max(DelayedSyncRequest, ev->Cookie);
+    }
+
+    bool MaybeRunVersionSync() {
+        if (!DelayedSyncRequest) {
+            return false;
+        }
+
+        CurrentSyncRequest = DelayedSyncRequest;
+        DelayedSyncRequest = 0;
+
+        Y_VERIFY(PendingSync.empty());
+        for (const auto& proxy : Proxies) {
+            this->Send(proxy, new TSchemeBoardEvents::TEvSyncVersionRequest(Path), 0, CurrentSyncRequest);
+            PendingSync.emplace(proxy);
+        }
+
+        return true;
+    }
+
+    void Handle(TSchemeBoardEvents::TEvNotify::TPtr& ev) {
+        auto& record = *ev->Get()->MutableRecord();
+
+        SBS_LOG_D("Handle TSchemeBoardEvents::TEvNotify"
+            << ": sender# " << ev->Sender);
+        SBS_LOG_T("Message:\n" << record.ShortDebugString());
+
+        if (!IsValidNotification(Path, record)) {
+            SBS_LOG_E("Suspicious notification"
+                << ": sender# " << ev->Sender
+                << ", other path# " << record.GetPath()
                 << ", other pathId# " << TPathId(record.GetPathOwnerId(), record.GetLocalPathId()));
-            return; 
-        } 
- 
-        States[ev->Sender] = TState::FromNotify(record); 
-        if (!IsMajorityReached()) { 
-            InitialResponses[ev->Sender] = std::move(record); 
-            if (IsMajorityReached()) { 
-                MaybeRunVersionSync(); 
-                record = SelectResponse(); 
-            } else { 
-                return; 
-            } 
-        } 
- 
-        const TState& newestState = SelectState(); 
-        TString reason; 
- 
-        if (!State) { 
-            SBS_LOG_N("Set up state" 
-                << ": owner# " << Owner 
-                << ", state# " << newestState); 
-            State = newestState; 
-        } else if (State->LessThan(newestState, reason)) { 
-            SBS_LOG_N("" << reason 
-                << ": owner# " << Owner 
-                << ", state# " << *State 
-                << ", new state# " << newestState); 
-            State = newestState; 
-        } else if (!State->Deleted && newestState.Deleted && newestState.Strong) { 
-            SBS_LOG_N("Path was deleted" 
-                << ": owner# " << Owner 
-                << ", state# " << *State 
-                << ", new state# " << newestState); 
-            State = newestState; 
-        } else { 
-            SBS_LOG_I("" << reason 
-                << ": owner# " << Owner 
-                << ", state# " << *State 
-                << ", other state# " << newestState); 
             return;
         }
- 
-        if (!record.GetIsDeletion()) { 
+
+        States[ev->Sender] = TState::FromNotify(record);
+        if (!IsMajorityReached()) {
+            InitialResponses[ev->Sender] = std::move(record);
+            if (IsMajorityReached()) {
+                MaybeRunVersionSync();
+                record = SelectResponse();
+            } else {
+                return;
+            }
+        }
+
+        const TState& newestState = SelectState();
+        TString reason;
+
+        if (!State) {
+            SBS_LOG_N("Set up state"
+                << ": owner# " << Owner
+                << ", state# " << newestState);
+            State = newestState;
+        } else if (State->LessThan(newestState, reason)) {
+            SBS_LOG_N("" << reason
+                << ": owner# " << Owner
+                << ", state# " << *State
+                << ", new state# " << newestState);
+            State = newestState;
+        } else if (!State->Deleted && newestState.Deleted && newestState.Strong) {
+            SBS_LOG_N("Path was deleted"
+                << ": owner# " << Owner
+                << ", state# " << *State
+                << ", new state# " << newestState);
+            State = newestState;
+        } else {
+            SBS_LOG_I("" << reason
+                << ": owner# " << Owner
+                << ", state# " << *State
+                << ", other state# " << newestState);
+            return;
+        }
+
+        if (!record.GetIsDeletion()) {
             this->Send(Owner, BuildNotify<TSchemeBoardEvents::TEvNotifyUpdate>(record, std::move(*record.MutableDescribeSchemeResult())));
-        } else { 
-            this->Send(Owner, BuildNotify<TSchemeBoardEvents::TEvNotifyDelete>(record, record.GetStrong())); 
+        } else {
+            this->Send(Owner, BuildNotify<TSchemeBoardEvents::TEvNotifyDelete>(record, record.GetStrong()));
+        }
+    }
+
+    void Handle(TSchemeBoardEvents::TEvSyncRequest::TPtr& ev) {
+        SBS_LOG_D("Handle TSchemeBoardEvents::TEvSyncRequest"
+            << ": sender# " << ev->Sender
+            << ", cookie# " << ev->Cookie);
+
+        if (ev->Sender != Owner) {
+            SBS_LOG_W("Suspicious sync version request"
+                << ": sender# " << ev->Sender
+                << ", owner# " << Owner);
+            return;
+        }
+
+        EnqueueSyncRequest(ev);
+
+        if (PendingSync || !IsMajorityReached()) {
+            return;
+        }
+
+        Y_VERIFY(MaybeRunVersionSync());
+    }
+
+    void Handle(TSchemeBoardEvents::TEvSyncVersionResponse::TPtr& ev) {
+        SBS_LOG_D("Handle TSchemeBoardEvents::TEvSyncVersionResponse"
+            << ": sender# " << ev->Sender
+            << ", cookie# " << ev->Cookie);
+
+        if (ev->Cookie != CurrentSyncRequest) {
+            SBS_LOG_D("Sync cookie mismatch"
+                << ": sender# " << ev->Sender
+                << ", cookie# " << ev->Cookie
+                << ", current cookie# " << CurrentSyncRequest);
+            return;
+        }
+
+        auto it = PendingSync.find(ev->Sender);
+        if (it == PendingSync.end()) {
+            SBS_LOG_D("Unexpected sync response"
+                << ": sender# " << ev->Sender
+                << ", cookie# " << ev->Cookie);
+            return;
+        }
+
+        PendingSync.erase(it);
+        Y_VERIFY(!ReceivedSync.contains(ev->Sender));
+        ReceivedSync[ev->Sender] = ev->Get()->Record.GetPartial();
+
+        ui32 successes = 0;
+        ui32 failures = 0;
+        for (const auto& [_, partial] : ReceivedSync) {
+            if (!partial) {
+                ++successes;
+            } else {
+                ++failures;
+            }
+        }
+
+        const ui32 size = Proxies.size();
+        const ui32 half = size / 2;
+        if (successes <= half && failures <= half && (successes + failures) < size) {
+            SBS_LOG_D("Sync is in progress"
+                << ": cookie# " << ev->Cookie
+                << ", size# " << size
+                << ", half# " << half
+                << ", successes# " << successes
+                << ", faulires# " << failures);
+            return;
+        }
+
+        const bool partial = !(successes > half);
+        const TString done = TStringBuilder() << "Sync is done"
+            << ": cookie# " << ev->Cookie
+            << ", size# " << size
+            << ", half# " << half
+            << ", successes# " << successes
+            << ", faulires# " << failures
+            << ", partial# " << partial;
+
+        if (!partial) {
+            SBS_LOG_D(done);
+        } else {
+            SBS_LOG_W(done);
+        }
+
+        this->Send(Owner, new TSchemeBoardEvents::TEvSyncResponse(Path, partial), 0, ev->Cookie);
+
+        PendingSync.clear();
+        ReceivedSync.clear();
+
+        MaybeRunVersionSync();
+    }
+
+    void Handle(TEvStateStorage::TEvResolveReplicasList::TPtr& ev) {
+        SBS_LOG_D("Handle TEvStateStorage::TEvResolveReplicasList");
+
+        const auto& replicas = ev->Get()->Replicas;
+
+        if (replicas.empty()) {
+            SBS_LOG_E("Subscribe on unconfigured SchemeBoard"
+                << ": StateStorage group# " << StateStorageGroup);
+            this->Become(&TDerived::StateCalm);
+            return;
         }
-    } 
- 
-    void Handle(TSchemeBoardEvents::TEvSyncRequest::TPtr& ev) { 
-        SBS_LOG_D("Handle TSchemeBoardEvents::TEvSyncRequest" 
-            << ": sender# " << ev->Sender 
-            << ", cookie# " << ev->Cookie); 
- 
-        if (ev->Sender != Owner) { 
-            SBS_LOG_W("Suspicious sync version request" 
-                << ": sender# " << ev->Sender 
-                << ", owner# " << Owner); 
-            return; 
-        } 
- 
-        EnqueueSyncRequest(ev); 
- 
-        if (PendingSync || !IsMajorityReached()) { 
-            return; 
-        } 
- 
-        Y_VERIFY(MaybeRunVersionSync()); 
-    } 
- 
-    void Handle(TSchemeBoardEvents::TEvSyncVersionResponse::TPtr& ev) { 
-        SBS_LOG_D("Handle TSchemeBoardEvents::TEvSyncVersionResponse" 
-            << ": sender# " << ev->Sender 
-            << ", cookie# " << ev->Cookie); 
- 
-        if (ev->Cookie != CurrentSyncRequest) { 
-            SBS_LOG_D("Sync cookie mismatch" 
-                << ": sender# " << ev->Sender 
-                << ", cookie# " << ev->Cookie 
-                << ", current cookie# " << CurrentSyncRequest); 
-            return; 
-        } 
- 
-        auto it = PendingSync.find(ev->Sender); 
-        if (it == PendingSync.end()) { 
-            SBS_LOG_D("Unexpected sync response" 
-                << ": sender# " << ev->Sender 
-                << ", cookie# " << ev->Cookie); 
-            return; 
-        } 
- 
-        PendingSync.erase(it); 
-        Y_VERIFY(!ReceivedSync.contains(ev->Sender)); 
-        ReceivedSync[ev->Sender] = ev->Get()->Record.GetPartial(); 
- 
-        ui32 successes = 0; 
-        ui32 failures = 0; 
-        for (const auto& [_, partial] : ReceivedSync) { 
-            if (!partial) { 
-                ++successes; 
-            } else { 
-                ++failures; 
-            } 
-        } 
- 
-        const ui32 size = Proxies.size(); 
-        const ui32 half = size / 2; 
-        if (successes <= half && failures <= half && (successes + failures) < size) { 
-            SBS_LOG_D("Sync is in progress" 
-                << ": cookie# " << ev->Cookie 
-                << ", size# " << size 
-                << ", half# " << half 
-                << ", successes# " << successes 
-                << ", faulires# " << failures); 
-            return; 
-        } 
- 
-        const bool partial = !(successes > half); 
-        const TString done = TStringBuilder() << "Sync is done" 
-            << ": cookie# " << ev->Cookie 
-            << ", size# " << size 
-            << ", half# " << half 
-            << ", successes# " << successes 
-            << ", faulires# " << failures 
-            << ", partial# " << partial; 
- 
-        if (!partial) { 
-            SBS_LOG_D(done); 
-        } else { 
-            SBS_LOG_W(done); 
-        } 
- 
-        this->Send(Owner, new TSchemeBoardEvents::TEvSyncResponse(Path, partial), 0, ev->Cookie); 
- 
-        PendingSync.clear(); 
-        ReceivedSync.clear(); 
- 
-        MaybeRunVersionSync(); 
-    } 
- 
-    void Handle(TEvStateStorage::TEvResolveReplicasList::TPtr& ev) { 
-        SBS_LOG_D("Handle TEvStateStorage::TEvResolveReplicasList"); 
- 
-        const auto& replicas = ev->Get()->Replicas; 
- 
-        if (replicas.empty()) { 
-            SBS_LOG_E("Subscribe on unconfigured SchemeBoard" 
-                << ": StateStorage group# " << StateStorageGroup); 
-            this->Become(&TDerived::StateCalm); 
-            return; 
-        } 
- 
-        for (const auto& replica : replicas) { 
+
+        for (const auto& replica : replicas) {
             Proxies.emplace(this->RegisterWithSameMailbox(new TProxyDerived(this->SelfId(), replica, Path, DomainOwnerId)));
-        } 
- 
-        this->Become(&TDerived::StateWork); 
-    } 
- 
-    void Handle(TSchemeBoardMonEvents::TEvInfoRequest::TPtr& ev) { 
-        auto response = MakeHolder<TSchemeBoardMonEvents::TEvInfoResponse>(this->SelfId(), this->ActorActivityType()); 
-        auto& record = *response->Record.MutableSubscriberResponse(); 
- 
-        ActorIdToProto(Owner, record.MutableOwner()); 
- 
-        record.SetDomainOwnerId(DomainOwnerId); 
-        record.SetDelayedSyncRequest(DelayedSyncRequest); 
-        record.SetCurrentSyncRequest(CurrentSyncRequest); 
- 
-        auto fillState = [](const auto& from, auto& to) { 
-            to.SetDeleted(from.Deleted); 
-            to.SetStrong(from.Strong); 
-            to.SetVersion(from.Version.Version); 
- 
-            to.MutablePathId()->SetOwnerId(from.Version.PathId.OwnerId); 
-            to.MutablePathId()->SetLocalPathId(from.Version.PathId.LocalPathId); 
- 
-            to.MutableDomainId()->SetOwnerId(from.DomainId.OwnerId); 
-            to.MutableDomainId()->SetLocalPathId(from.DomainId.LocalPathId); 
- 
-            for (const auto tabletId : from.AbandonedSchemeShards) { 
-                to.AddAbandonedSchemeShards(tabletId); 
-            } 
-        }; 
- 
-        for (const auto& [proxy, state] : States) { 
-            auto& proxyState = *record.AddProxyStates(); 
- 
-            ActorIdToProto(proxy, proxyState.MutableProxy()); 
-            fillState(state, *proxyState.MutableState()); 
-        } 
- 
-        if (State) { 
-            fillState(*State, *record.MutableState()); 
-        } 
- 
-        if constexpr (std::is_same_v<TPath, TString>) { 
-            record.SetPath(Path); 
-        } else { 
-            record.MutablePathId()->SetOwnerId(Path.OwnerId); 
-            record.MutablePathId()->SetLocalPathId(Path.LocalPathId); 
-        } 
- 
-        this->Send(ev->Sender, std::move(response), 0, ev->Cookie); 
-    } 
- 
-    void HandleUndelivered() { 
-        SBS_LOG_E("Subscribe on unavailable SchemeBoard" 
-            << ": StateStorage group# " << StateStorageGroup); 
-        this->Become(&TDerived::StateCalm); 
-    } 
- 
-    void PassAway() override { 
-        for (const auto& proxy : Proxies) { 
-            this->Send(proxy, new TEvents::TEvPoisonPill()); 
-        } 
- 
-        TMonitorableActor<TDerived>::PassAway(); 
-    } 
- 
-    NJson::TJsonMap MonAttributes() const override { 
-        return { 
-            {"Owner", ToString(Owner)}, 
-            {"Path", ToString(Path)}, 
-        }; 
-    } 
- 
-public: 
+        }
+
+        this->Become(&TDerived::StateWork);
+    }
+
+    void Handle(TSchemeBoardMonEvents::TEvInfoRequest::TPtr& ev) {
+        auto response = MakeHolder<TSchemeBoardMonEvents::TEvInfoResponse>(this->SelfId(), this->ActorActivityType());
+        auto& record = *response->Record.MutableSubscriberResponse();
+
+        ActorIdToProto(Owner, record.MutableOwner());
+
+        record.SetDomainOwnerId(DomainOwnerId);
+        record.SetDelayedSyncRequest(DelayedSyncRequest);
+        record.SetCurrentSyncRequest(CurrentSyncRequest);
+
+        auto fillState = [](const auto& from, auto& to) {
+            to.SetDeleted(from.Deleted);
+            to.SetStrong(from.Strong);
+            to.SetVersion(from.Version.Version);
+
+            to.MutablePathId()->SetOwnerId(from.Version.PathId.OwnerId);
+            to.MutablePathId()->SetLocalPathId(from.Version.PathId.LocalPathId);
+
+            to.MutableDomainId()->SetOwnerId(from.DomainId.OwnerId);
+            to.MutableDomainId()->SetLocalPathId(from.DomainId.LocalPathId);
+
+            for (const auto tabletId : from.AbandonedSchemeShards) {
+                to.AddAbandonedSchemeShards(tabletId);
+            }
+        };
+
+        for (const auto& [proxy, state] : States) {
+            auto& proxyState = *record.AddProxyStates();
+
+            ActorIdToProto(proxy, proxyState.MutableProxy());
+            fillState(state, *proxyState.MutableState());
+        }
+
+        if (State) {
+            fillState(*State, *record.MutableState());
+        }
+
+        if constexpr (std::is_same_v<TPath, TString>) {
+            record.SetPath(Path);
+        } else {
+            record.MutablePathId()->SetOwnerId(Path.OwnerId);
+            record.MutablePathId()->SetLocalPathId(Path.LocalPathId);
+        }
+
+        this->Send(ev->Sender, std::move(response), 0, ev->Cookie);
+    }
+
+    void HandleUndelivered() {
+        SBS_LOG_E("Subscribe on unavailable SchemeBoard"
+            << ": StateStorage group# " << StateStorageGroup);
+        this->Become(&TDerived::StateCalm);
+    }
+
+    void PassAway() override {
+        for (const auto& proxy : Proxies) {
+            this->Send(proxy, new TEvents::TEvPoisonPill());
+        }
+
+        TMonitorableActor<TDerived>::PassAway();
+    }
+
+    NJson::TJsonMap MonAttributes() const override {
+        return {
+            {"Owner", ToString(Owner)},
+            {"Path", ToString(Path)},
+        };
+    }
+
+public:
     static constexpr NKikimrServices::TActivity::EType ActorActivityType() {
         return NKikimrServices::TActivity::SCHEME_BOARD_SUBSCRIBER_ACTOR;
-    } 
- 
-    static constexpr TStringBuf LogPrefix() { 
+    }
+
+    static constexpr TStringBuf LogPrefix() {
         return "main"sv;
-    } 
- 
-    explicit TSubscriber( 
+    }
+
+    explicit TSubscriber(
             const TActorId& owner,
-            const TPath& path, 
-            const ui64 stateStorageGroup, 
-            const ui64 domainOwnerId) 
-        : Owner(owner) 
-        , Path(path) 
-        , StateStorageGroup(stateStorageGroup) 
-        , DomainOwnerId(domainOwnerId) 
-        , DelayedSyncRequest(0) 
-        , CurrentSyncRequest(0) 
-    { 
-    } 
- 
-    void Bootstrap(const TActorContext&) { 
-        TMonitorableActor<TDerived>::Bootstrap(); 
- 
+            const TPath& path,
+            const ui64 stateStorageGroup,
+            const ui64 domainOwnerId)
+        : Owner(owner)
+        , Path(path)
+        , StateStorageGroup(stateStorageGroup)
+        , DomainOwnerId(domainOwnerId)
+        , DelayedSyncRequest(0)
+        , CurrentSyncRequest(0)
+    {
+    }
+
+    void Bootstrap(const TActorContext&) {
+        TMonitorableActor<TDerived>::Bootstrap();
+
         const TActorId proxy = MakeStateStorageProxyID(StateStorageGroup);
-        this->Send(proxy, new TEvStateStorage::TEvResolveSchemeBoard(Path), IEventHandle::FlagTrackDelivery); 
-        this->Become(&TDerived::StateResolve); 
-    } 
- 
-    STATEFN(StateResolve) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TSchemeBoardEvents::TEvSyncRequest, EnqueueSyncRequest); // from owner (cache) 
- 
-            hFunc(TEvStateStorage::TEvResolveReplicasList, Handle); 
- 
-            hFunc(TSchemeBoardMonEvents::TEvInfoRequest, Handle); 
- 
-            cFunc(TEvents::TEvUndelivered::EventType, HandleUndelivered); 
-            cFunc(TEvents::TEvPoisonPill::EventType, PassAway); 
-        } 
-    } 
- 
-    STATEFN(StateWork) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TSchemeBoardEvents::TEvNotify, Handle); 
-            hFunc(TSchemeBoardEvents::TEvSyncRequest, Handle); // from owner (cache) 
-            hFunc(TSchemeBoardEvents::TEvSyncVersionResponse, Handle); // from proxies 
- 
-            hFunc(TSchemeBoardMonEvents::TEvInfoRequest, Handle); 
- 
-            cFunc(TEvents::TEvPoisonPill::EventType, PassAway); 
-        } 
-    } 
- 
-    STATEFN(StateCalm) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TSchemeBoardMonEvents::TEvInfoRequest, Handle); 
- 
-            cFunc(TEvents::TEvPoisonPill::EventType, PassAway); 
-        } 
-    } 
- 
-    using TBase = TSubscriber<TPath, TDerived, TProxyDerived>; 
- 
-private: 
+        this->Send(proxy, new TEvStateStorage::TEvResolveSchemeBoard(Path), IEventHandle::FlagTrackDelivery);
+        this->Become(&TDerived::StateResolve);
+    }
+
+    STATEFN(StateResolve) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TSchemeBoardEvents::TEvSyncRequest, EnqueueSyncRequest); // from owner (cache)
+
+            hFunc(TEvStateStorage::TEvResolveReplicasList, Handle);
+
+            hFunc(TSchemeBoardMonEvents::TEvInfoRequest, Handle);
+
+            cFunc(TEvents::TEvUndelivered::EventType, HandleUndelivered);
+            cFunc(TEvents::TEvPoisonPill::EventType, PassAway);
+        }
+    }
+
+    STATEFN(StateWork) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TSchemeBoardEvents::TEvNotify, Handle);
+            hFunc(TSchemeBoardEvents::TEvSyncRequest, Handle); // from owner (cache)
+            hFunc(TSchemeBoardEvents::TEvSyncVersionResponse, Handle); // from proxies
+
+            hFunc(TSchemeBoardMonEvents::TEvInfoRequest, Handle);
+
+            cFunc(TEvents::TEvPoisonPill::EventType, PassAway);
+        }
+    }
+
+    STATEFN(StateCalm) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TSchemeBoardMonEvents::TEvInfoRequest, Handle);
+
+            cFunc(TEvents::TEvPoisonPill::EventType, PassAway);
+        }
+    }
+
+    using TBase = TSubscriber<TPath, TDerived, TProxyDerived>;
+
+private:
     const TActorId Owner;
-    const TPath Path; 
-    const ui64 StateStorageGroup; 
-    const ui64 DomainOwnerId; 
- 
-    TSet<TActorId> Proxies; 
-    TMap<TActorId, TState> States; 
+    const TPath Path;
+    const ui64 StateStorageGroup;
+    const ui64 DomainOwnerId;
+
+    TSet<TActorId> Proxies;
+    TMap<TActorId, TState> States;
     TMap<TActorId, NKikimrSchemeBoard::TEvNotify> InitialResponses;
-    TMaybe<TState> State; 
- 
-    ui64 DelayedSyncRequest; 
-    ui64 CurrentSyncRequest; 
-    TSet<TActorId> PendingSync; 
-    TMap<TActorId, bool> ReceivedSync; 
- 
-}; // TSubscriber 
- 
-class TSubscriberByPath: public TSubscriber<TString, TSubscriberByPath, TSubscriberProxyByPath> { 
-public: 
-    using TBase::TBase; 
-}; 
- 
-class TSubscriberByPathId: public TSubscriber<TPathId, TSubscriberByPathId, TSubscriberProxyByPathId> { 
-public: 
-    using TBase::TBase; 
-}; 
- 
-} // NSchemeBoard 
- 
-IActor* CreateSchemeBoardSubscriber( 
+    TMaybe<TState> State;
+
+    ui64 DelayedSyncRequest;
+    ui64 CurrentSyncRequest;
+    TSet<TActorId> PendingSync;
+    TMap<TActorId, bool> ReceivedSync;
+
+}; // TSubscriber
+
+class TSubscriberByPath: public TSubscriber<TString, TSubscriberByPath, TSubscriberProxyByPath> {
+public:
+    using TBase::TBase;
+};
+
+class TSubscriberByPathId: public TSubscriber<TPathId, TSubscriberByPathId, TSubscriberProxyByPathId> {
+public:
+    using TBase::TBase;
+};
+
+} // NSchemeBoard
+
+IActor* CreateSchemeBoardSubscriber(
     const TActorId& owner,
-    const TString& path, 
-    const ui64 stateStorageGroup, 
-    const ui64 domainOwnerId 
-) { 
-    return new NSchemeBoard::TSubscriberByPath(owner, path, stateStorageGroup, domainOwnerId); 
-} 
- 
-IActor* CreateSchemeBoardSubscriber( 
+    const TString& path,
+    const ui64 stateStorageGroup,
+    const ui64 domainOwnerId
+) {
+    return new NSchemeBoard::TSubscriberByPath(owner, path, stateStorageGroup, domainOwnerId);
+}
+
+IActor* CreateSchemeBoardSubscriber(
     const TActorId& owner,
-    const TPathId& pathId, 
-    const ui64 stateStorageGroup, 
-    const ui64 domainOwnerId 
-) { 
-    return new NSchemeBoard::TSubscriberByPathId(owner, pathId, stateStorageGroup, domainOwnerId); 
-} 
- 
-IActor* CreateSchemeBoardSubscriber( 
+    const TPathId& pathId,
+    const ui64 stateStorageGroup,
+    const ui64 domainOwnerId
+) {
+    return new NSchemeBoard::TSubscriberByPathId(owner, pathId, stateStorageGroup, domainOwnerId);
+}
+
+IActor* CreateSchemeBoardSubscriber(
     const TActorId& owner,
-    const TString& path, 
-    const ui64 stateStorageGroup, 
-    const EDeletionPolicy deletionPolicy 
-) { 
-    Y_UNUSED(deletionPolicy); 
-    return new NSchemeBoard::TSubscriberByPath(owner, path, stateStorageGroup, 0); 
-} 
- 
-IActor* CreateSchemeBoardSubscriber( 
+    const TString& path,
+    const ui64 stateStorageGroup,
+    const EDeletionPolicy deletionPolicy
+) {
+    Y_UNUSED(deletionPolicy);
+    return new NSchemeBoard::TSubscriberByPath(owner, path, stateStorageGroup, 0);
+}
+
+IActor* CreateSchemeBoardSubscriber(
     const TActorId& owner,
-    const TPathId& pathId, 
-    const ui64 stateStorageGroup, 
-    const EDeletionPolicy deletionPolicy 
-) { 
-    Y_UNUSED(deletionPolicy); 
-    return new NSchemeBoard::TSubscriberByPathId(owner, pathId, stateStorageGroup, 0); 
-} 
- 
-} // NKikimr 
-
-Y_DECLARE_OUT_SPEC(inline, NKikimr::NSchemeBoard::TPathVersion, o, x) { 
+    const TPathId& pathId,
+    const ui64 stateStorageGroup,
+    const EDeletionPolicy deletionPolicy
+) {
+    Y_UNUSED(deletionPolicy);
+    return new NSchemeBoard::TSubscriberByPathId(owner, pathId, stateStorageGroup, 0);
+}
+
+} // NKikimr
+
+Y_DECLARE_OUT_SPEC(inline, NKikimr::NSchemeBoard::TPathVersion, o, x) {
+    return x.Out(o);
+}
+
+Y_DECLARE_OUT_SPEC(inline, NKikimr::NSchemeBoard::TState, o, x) {
     return x.Out(o);
 }
- 
-Y_DECLARE_OUT_SPEC(inline, NKikimr::NSchemeBoard::TState, o, x) { 
-    return x.Out(o); 
-} 
diff --git a/ydb/core/tx/scheme_board/subscriber.h b/ydb/core/tx/scheme_board/subscriber.h
index 3d8fbb91d1..f415e4e9d5 100644
--- a/ydb/core/tx/scheme_board/subscriber.h
+++ b/ydb/core/tx/scheme_board/subscriber.h
@@ -1,46 +1,46 @@
-#pragma once 
- 
-#include "defs.h" 
- 
+#pragma once
+
+#include "defs.h"
+
 #include <ydb/core/base/pathid.h>
- 
-#include <util/generic/string.h> 
- 
-namespace NKikimr { 
- 
-IActor* CreateSchemeBoardSubscriber( 
+
+#include <util/generic/string.h>
+
+namespace NKikimr {
+
+IActor* CreateSchemeBoardSubscriber(
     const TActorId& owner,
-    const TString& path, 
-    const ui64 stateStorageGroup, 
-    const ui64 domainOwnerId 
-); 
- 
-IActor* CreateSchemeBoardSubscriber( 
+    const TString& path,
+    const ui64 stateStorageGroup,
+    const ui64 domainOwnerId
+);
+
+IActor* CreateSchemeBoardSubscriber(
     const TActorId& owner,
-    const TPathId& pathId, 
-    const ui64 stateStorageGroup, 
-    const ui64 domainOwnerId 
-); 
- 
-// deprecated 
-enum class ESchemeBoardSubscriberDeletionPolicy { 
-    First, 
-    Second, 
-    Majority, 
-}; 
- 
-IActor* CreateSchemeBoardSubscriber( 
+    const TPathId& pathId,
+    const ui64 stateStorageGroup,
+    const ui64 domainOwnerId
+);
+
+// deprecated
+enum class ESchemeBoardSubscriberDeletionPolicy {
+    First,
+    Second,
+    Majority,
+};
+
+IActor* CreateSchemeBoardSubscriber(
     const TActorId& owner,
-    const TString& path, 
-    const ui64 stateStorageGroup, 
-    const ESchemeBoardSubscriberDeletionPolicy deletionPolicy 
-); 
- 
-IActor* CreateSchemeBoardSubscriber( 
+    const TString& path,
+    const ui64 stateStorageGroup,
+    const ESchemeBoardSubscriberDeletionPolicy deletionPolicy
+);
+
+IActor* CreateSchemeBoardSubscriber(
     const TActorId& owner,
-    const TPathId& pathId, 
-    const ui64 stateStorageGroup, 
-    const ESchemeBoardSubscriberDeletionPolicy deletionPolicy 
-); 
- 
-} // NKikimr 
+    const TPathId& pathId,
+    const ui64 stateStorageGroup,
+    const ESchemeBoardSubscriberDeletionPolicy deletionPolicy
+);
+
+} // NKikimr
diff --git a/ydb/core/tx/scheme_board/subscriber_ut.cpp b/ydb/core/tx/scheme_board/subscriber_ut.cpp
index fdb7a9efa3..7e1d580305 100644
--- a/ydb/core/tx/scheme_board/subscriber_ut.cpp
+++ b/ydb/core/tx/scheme_board/subscriber_ut.cpp
@@ -1,254 +1,254 @@
-#include "events.h" 
-#include "subscriber.h" 
-#include "ut_helpers.h" 
- 
+#include "events.h"
+#include "subscriber.h"
+#include "ut_helpers.h"
+
 #include <ydb/core/base/pathid.h>
 #include <ydb/core/base/statestorage_impl.h>
 #include <ydb/core/protos/services.pb.h>
 #include <ydb/core/testlib/basics/appdata.h>
 #include <ydb/core/testlib/basics/helpers.h>
- 
+
 #include <library/cpp/actors/core/log.h>
 #include <library/cpp/testing/unittest/registar.h>
- 
-#include <util/generic/vector.h> 
-#include <util/generic/xrange.h> 
- 
-namespace NKikimr { 
-namespace NSchemeBoard { 
- 
-class TSubscriberTest: public NUnitTest::TTestBase { 
+
+#include <util/generic/vector.h>
+#include <util/generic/xrange.h>
+
+namespace NKikimr {
+namespace NSchemeBoard {
+
+class TSubscriberTest: public NUnitTest::TTestBase {
     TVector<TActorId> ResolveReplicas() {
         const TActorId proxy = MakeStateStorageProxyID(0);
         const TActorId edge = Context->AllocateEdgeActor();
- 
-        Context->Send(proxy, edge, new TEvStateStorage::TEvListSchemeBoard()); 
-        auto ev = Context->GrabEdgeEvent<TEvStateStorage::TEvListSchemeBoardResult>(edge); 
- 
+
+        Context->Send(proxy, edge, new TEvStateStorage::TEvListSchemeBoard());
+        auto ev = Context->GrabEdgeEvent<TEvStateStorage::TEvListSchemeBoardResult>(edge);
+
         Y_VERIFY(ev->Get()->Info);
         auto allReplicas = ev->Get()->Info->SelectAllReplicas();
         return TVector<TActorId>(allReplicas.begin(), allReplicas.end());
-    } 
- 
-public: 
-    void SetUp() override { 
-        Context = MakeHolder<TTestContext>(2); 
- 
-        for (ui32 i : xrange(Context->GetNodeCount())) { 
-            SetupStateStorage(*Context, i, 0); 
-        } 
- 
-        Context->Initialize(TAppPrepare().Unwrap()); 
-        Context->SetLogPriority(NKikimrServices::SCHEME_BOARD_SUBSCRIBER, NLog::PRI_DEBUG); 
-    } 
- 
-    void TearDown() override { 
-        Context.Reset(); 
-    } 
- 
-    UNIT_TEST_SUITE(TSubscriberTest); 
-    UNIT_TEST(Boot); 
-    UNIT_TEST(NotifyUpdate); 
-    UNIT_TEST(NotifyDelete); 
-    UNIT_TEST(StrongNotificationAfterCommit); 
-    UNIT_TEST(InvalidNotification); 
-    UNIT_TEST(ReconnectOnFailure); 
-    UNIT_TEST(Sync); 
-    UNIT_TEST(SyncPartial); 
-    UNIT_TEST(SyncWithOutdatedReplica); 
-    UNIT_TEST_SUITE_END(); 
- 
-    void Boot(); 
-    void NotifyUpdate(); 
-    void NotifyDelete(); 
-    void StrongNotificationAfterCommit(); 
-    void InvalidNotification(); 
-    void ReconnectOnFailure(); 
-    void Sync(); 
-    void SyncPartial(); 
-    void SyncWithOutdatedReplica(); 
- 
-private: 
-    THolder<TTestContext> Context; 
- 
-}; // TSubscriberTest 
- 
-UNIT_TEST_SUITE_REGISTRATION(TSubscriberTest); 
- 
-void TSubscriberTest::Boot() { 
+    }
+
+public:
+    void SetUp() override {
+        Context = MakeHolder<TTestContext>(2);
+
+        for (ui32 i : xrange(Context->GetNodeCount())) {
+            SetupStateStorage(*Context, i, 0);
+        }
+
+        Context->Initialize(TAppPrepare().Unwrap());
+        Context->SetLogPriority(NKikimrServices::SCHEME_BOARD_SUBSCRIBER, NLog::PRI_DEBUG);
+    }
+
+    void TearDown() override {
+        Context.Reset();
+    }
+
+    UNIT_TEST_SUITE(TSubscriberTest);
+    UNIT_TEST(Boot);
+    UNIT_TEST(NotifyUpdate);
+    UNIT_TEST(NotifyDelete);
+    UNIT_TEST(StrongNotificationAfterCommit);
+    UNIT_TEST(InvalidNotification);
+    UNIT_TEST(ReconnectOnFailure);
+    UNIT_TEST(Sync);
+    UNIT_TEST(SyncPartial);
+    UNIT_TEST(SyncWithOutdatedReplica);
+    UNIT_TEST_SUITE_END();
+
+    void Boot();
+    void NotifyUpdate();
+    void NotifyDelete();
+    void StrongNotificationAfterCommit();
+    void InvalidNotification();
+    void ReconnectOnFailure();
+    void Sync();
+    void SyncPartial();
+    void SyncWithOutdatedReplica();
+
+private:
+    THolder<TTestContext> Context;
+
+}; // TSubscriberTest
+
+UNIT_TEST_SUITE_REGISTRATION(TSubscriberTest);
+
+void TSubscriberTest::Boot() {
     const TActorId edge = Context->AllocateEdgeActor();
- 
-    Context->CreateSubscriber(edge, "path"); 
-    auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotifyDelete>(edge); 
- 
-    UNIT_ASSERT(ev->Get()); 
-    UNIT_ASSERT_VALUES_EQUAL("path", ev->Get()->Path); 
-} 
- 
-void TSubscriberTest::NotifyUpdate() { 
+
+    Context->CreateSubscriber(edge, "path");
+    auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotifyDelete>(edge);
+
+    UNIT_ASSERT(ev->Get());
+    UNIT_ASSERT_VALUES_EQUAL("path", ev->Get()->Path);
+}
+
+void TSubscriberTest::NotifyUpdate() {
     const TActorId edge = Context->AllocateEdgeActor();
- 
-    Context->CreateSubscriber<TSchemeBoardEvents::TEvNotifyDelete>(edge, "path"); 
- 
-    auto replicas = ResolveReplicas(); 
- 
-    Context->HandshakeReplica(replicas[0], edge); 
+
+    Context->CreateSubscriber<TSchemeBoardEvents::TEvNotifyDelete>(edge, "path");
+
+    auto replicas = ResolveReplicas();
+
+    Context->HandshakeReplica(replicas[0], edge);
     Context->Send(replicas[0], edge, GenerateUpdate(GenerateDescribe("path", TPathId(1, 1))));
-    auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotifyUpdate>(edge); 
- 
-    UNIT_ASSERT(ev->Get()); 
-    UNIT_ASSERT_VALUES_EQUAL("path", ev->Get()->Path); 
-} 
- 
-void TSubscriberTest::NotifyDelete() { 
+    auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotifyUpdate>(edge);
+
+    UNIT_ASSERT(ev->Get());
+    UNIT_ASSERT_VALUES_EQUAL("path", ev->Get()->Path);
+}
+
+void TSubscriberTest::NotifyDelete() {
     const TActorId edge = Context->AllocateEdgeActor();
- 
-    auto replicas = ResolveReplicas(); 
-    Y_VERIFY(replicas.size() > 2); 
- 
-    for (const auto& replica : replicas) { 
-        Context->HandshakeReplica(replica, edge); 
+
+    auto replicas = ResolveReplicas();
+    Y_VERIFY(replicas.size() > 2);
+
+    for (const auto& replica : replicas) {
+        Context->HandshakeReplica(replica, edge);
         Context->Send(replica, edge, GenerateUpdate(GenerateDescribe("path", TPathId(1, 1))));
-    } 
- 
-    Context->CreateSubscriber<TSchemeBoardEvents::TEvNotifyUpdate>(edge, "path"); 
- 
-    for (size_t i = 0; i <= replicas.size() / 2 + 1; ++i) { 
-        Context->Send(replicas[i], edge, GenerateUpdate(GenerateDescribe("path", TPathId(1, 1)), 1, 1, true)); 
-    } 
- 
-    auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotifyDelete>(edge); 
- 
-    UNIT_ASSERT(ev->Get()); 
-    UNIT_ASSERT_VALUES_EQUAL("path", ev->Get()->Path); 
-} 
- 
-void TSubscriberTest::StrongNotificationAfterCommit() { 
+    }
+
+    Context->CreateSubscriber<TSchemeBoardEvents::TEvNotifyUpdate>(edge, "path");
+
+    for (size_t i = 0; i <= replicas.size() / 2 + 1; ++i) {
+        Context->Send(replicas[i], edge, GenerateUpdate(GenerateDescribe("path", TPathId(1, 1)), 1, 1, true));
+    }
+
+    auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotifyDelete>(edge);
+
+    UNIT_ASSERT(ev->Get());
+    UNIT_ASSERT_VALUES_EQUAL("path", ev->Get()->Path);
+}
+
+void TSubscriberTest::StrongNotificationAfterCommit() {
     const TActorId edge = Context->AllocateEdgeActor();
- 
-    Context->CreateSubscriber<TSchemeBoardEvents::TEvNotifyDelete>(edge, "path", 0, 1, false); 
-    { 
-        auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotifyDelete>(edge); 
-        UNIT_ASSERT(ev->Get()); 
-        UNIT_ASSERT(!ev->Get()->Strong); 
-    } 
- 
-    for (const auto& replica : ResolveReplicas()) { 
-        Context->HandshakeReplica(replica, edge); 
-        Context->CommitReplica(replica, edge); 
-    } 
- 
-    { 
-        auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotifyDelete>(edge); 
-        UNIT_ASSERT(ev->Get()); 
-        UNIT_ASSERT(ev->Get()->Strong); 
-    } 
-} 
- 
-void TSubscriberTest::InvalidNotification() { 
+
+    Context->CreateSubscriber<TSchemeBoardEvents::TEvNotifyDelete>(edge, "path", 0, 1, false);
+    {
+        auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotifyDelete>(edge);
+        UNIT_ASSERT(ev->Get());
+        UNIT_ASSERT(!ev->Get()->Strong);
+    }
+
+    for (const auto& replica : ResolveReplicas()) {
+        Context->HandshakeReplica(replica, edge);
+        Context->CommitReplica(replica, edge);
+    }
+
+    {
+        auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotifyDelete>(edge);
+        UNIT_ASSERT(ev->Get());
+        UNIT_ASSERT(ev->Get()->Strong);
+    }
+}
+
+void TSubscriberTest::InvalidNotification() {
     const TActorId edge = Context->AllocateEdgeActor();
- 
+
     const TActorId subscriber = Context->CreateSubscriber<TSchemeBoardEvents::TEvNotifyDelete>(edge, "path");
- 
-    // send notification directly to subscriber 
-    auto* notify = new TSchemeBoardEvents::TEvNotifyBuilder(TPathId(1, 1)); 
+
+    // send notification directly to subscriber
+    auto* notify = new TSchemeBoardEvents::TEvNotifyBuilder(TPathId(1, 1));
     notify->Record.MutableDescribeSchemeResult()->CopyFrom(GenerateDescribe("another/path", TPathId(1, 1)));
-    Context->Send(subscriber, edge, notify); 
- 
-    size_t counter = Context->CountEdgeEvents<TSchemeBoardEvents::TEvNotifyUpdate>(); 
-    UNIT_ASSERT_VALUES_EQUAL(0, counter); 
-} 
- 
-void TSubscriberTest::ReconnectOnFailure() { 
+    Context->Send(subscriber, edge, notify);
+
+    size_t counter = Context->CountEdgeEvents<TSchemeBoardEvents::TEvNotifyUpdate>();
+    UNIT_ASSERT_VALUES_EQUAL(0, counter);
+}
+
+void TSubscriberTest::ReconnectOnFailure() {
     const TActorId edge = Context->AllocateEdgeActor(1);
- 
-    Context->CreateSubscriber<TSchemeBoardEvents::TEvNotifyDelete>(edge, "path", 0, 1, true, 1); 
- 
-    Context->Disconnect(0, 1); 
-    Context->Connect(0, 1); 
- 
-    auto replicas = ResolveReplicas(); 
- 
-    Context->HandshakeReplica(replicas[0], edge); 
+
+    Context->CreateSubscriber<TSchemeBoardEvents::TEvNotifyDelete>(edge, "path", 0, 1, true, 1);
+
+    Context->Disconnect(0, 1);
+    Context->Connect(0, 1);
+
+    auto replicas = ResolveReplicas();
+
+    Context->HandshakeReplica(replicas[0], edge);
     Context->Send(replicas[0], edge, GenerateUpdate(GenerateDescribe("path", TPathId(1, 1))));
-    auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotifyUpdate>(edge); 
- 
-    UNIT_ASSERT(ev->Get()); 
-    UNIT_ASSERT_VALUES_EQUAL("path", ev->Get()->Path); 
-} 
- 
-void TSubscriberTest::Sync() { 
+    auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotifyUpdate>(edge);
+
+    UNIT_ASSERT(ev->Get());
+    UNIT_ASSERT_VALUES_EQUAL("path", ev->Get()->Path);
+}
+
+void TSubscriberTest::Sync() {
     const TActorId edge = Context->AllocateEdgeActor();
- 
-    auto replicas = ResolveReplicas(); 
-    for (const auto& replica : replicas) { 
-        Context->HandshakeReplica(replica, edge); 
+
+    auto replicas = ResolveReplicas();
+    for (const auto& replica : replicas) {
+        Context->HandshakeReplica(replica, edge);
         Context->Send(replica, edge, GenerateUpdate(GenerateDescribe("path", TPathId(1, 1))));
-    } 
- 
+    }
+
     const TActorId subscriber = Context->CreateSubscriber<TSchemeBoardEvents::TEvNotifyUpdate>(edge, "path");
-    Context->Send(subscriber, edge, new TSchemeBoardEvents::TEvSyncRequest(), 0, 1); 
-    auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvSyncResponse>(edge); 
- 
-    UNIT_ASSERT(ev->Get()); 
-    UNIT_ASSERT_VALUES_EQUAL("path", ev->Get()->Path); 
-    UNIT_ASSERT_VALUES_EQUAL(false, ev->Get()->Partial); 
-} 
- 
-void TSubscriberTest::SyncPartial() { 
+    Context->Send(subscriber, edge, new TSchemeBoardEvents::TEvSyncRequest(), 0, 1);
+    auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvSyncResponse>(edge);
+
+    UNIT_ASSERT(ev->Get());
+    UNIT_ASSERT_VALUES_EQUAL("path", ev->Get()->Path);
+    UNIT_ASSERT_VALUES_EQUAL(false, ev->Get()->Partial);
+}
+
+void TSubscriberTest::SyncPartial() {
     const TActorId edge = Context->AllocateEdgeActor();
     const TActorId subscriber = Context->CreateSubscriber<TSchemeBoardEvents::TEvNotifyDelete>(edge, "path");
- 
-    ui64 syncCookie = 0; 
-    auto replicas = ResolveReplicas(); 
-    for (ui32 i : xrange(replicas.size())) { 
-        Context->Send(replicas[i], edge, new TEvents::TEvPoisonPill()); 
- 
-        Context->Send(subscriber, edge, new TSchemeBoardEvents::TEvSyncRequest(), 0, ++syncCookie); 
-        auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvSyncResponse>(edge); 
- 
-        UNIT_ASSERT(ev->Get()); 
-        UNIT_ASSERT_VALUES_EQUAL("path", ev->Get()->Path); 
-        UNIT_ASSERT_VALUES_EQUAL((i + 1) > (replicas.size() / 2), ev->Get()->Partial); 
-    } 
-} 
- 
-void TSubscriberTest::SyncWithOutdatedReplica() { 
-    const TActorId edge = Context->AllocateEdgeActor(); 
- 
-    auto replicas = ResolveReplicas(); 
-    UNIT_ASSERT(replicas.size() > 2); 
- 
-    for (ui32 i = 0; i < replicas.size(); ++i) { 
-        const auto& replica = replicas.at(i); 
-        Context->HandshakeReplica(replica, edge); 
- 
-        if (i == 0) { 
-            // outdated, but greater version 
-            Context->Send(replica, edge, GenerateUpdate(GenerateDescribe("path", TPathId(1, 2), 2, TDomainId(1, 1)))); 
-        } else { 
-            // up to date 
-            Context->Send(replica, edge, GenerateUpdate(GenerateDescribe("path", TPathId(2, 2), 1, TDomainId(2, 1)))); 
-        } 
-    } 
- 
-    const TActorId subscriber = Context->CreateSubscriber(edge, "path"); 
-    { 
-        auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotifyUpdate>(edge); 
-        UNIT_ASSERT(ev->Get()); 
-        UNIT_ASSERT_VALUES_EQUAL("path", ev->Get()->Path); 
-        UNIT_ASSERT_VALUES_EQUAL(TPathId(2, 2), ev->Get()->PathId); 
-    } 
- 
-    Context->Send(subscriber, edge, new TSchemeBoardEvents::TEvSyncRequest(), 0, 1); 
-    { 
-        auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvSyncResponse>(edge); 
-        UNIT_ASSERT(ev->Get()); 
-        UNIT_ASSERT_VALUES_EQUAL("path", ev->Get()->Path); 
-        UNIT_ASSERT(!ev->Get()->Partial); 
-    } 
-} 
- 
+
+    ui64 syncCookie = 0;
+    auto replicas = ResolveReplicas();
+    for (ui32 i : xrange(replicas.size())) {
+        Context->Send(replicas[i], edge, new TEvents::TEvPoisonPill());
+
+        Context->Send(subscriber, edge, new TSchemeBoardEvents::TEvSyncRequest(), 0, ++syncCookie);
+        auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvSyncResponse>(edge);
+
+        UNIT_ASSERT(ev->Get());
+        UNIT_ASSERT_VALUES_EQUAL("path", ev->Get()->Path);
+        UNIT_ASSERT_VALUES_EQUAL((i + 1) > (replicas.size() / 2), ev->Get()->Partial);
+    }
+}
+
+void TSubscriberTest::SyncWithOutdatedReplica() {
+    const TActorId edge = Context->AllocateEdgeActor();
+
+    auto replicas = ResolveReplicas();
+    UNIT_ASSERT(replicas.size() > 2);
+
+    for (ui32 i = 0; i < replicas.size(); ++i) {
+        const auto& replica = replicas.at(i);
+        Context->HandshakeReplica(replica, edge);
+
+        if (i == 0) {
+            // outdated, but greater version
+            Context->Send(replica, edge, GenerateUpdate(GenerateDescribe("path", TPathId(1, 2), 2, TDomainId(1, 1))));
+        } else {
+            // up to date
+            Context->Send(replica, edge, GenerateUpdate(GenerateDescribe("path", TPathId(2, 2), 1, TDomainId(2, 1))));
+        }
+    }
+
+    const TActorId subscriber = Context->CreateSubscriber(edge, "path");
+    {
+        auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvNotifyUpdate>(edge);
+        UNIT_ASSERT(ev->Get());
+        UNIT_ASSERT_VALUES_EQUAL("path", ev->Get()->Path);
+        UNIT_ASSERT_VALUES_EQUAL(TPathId(2, 2), ev->Get()->PathId);
+    }
+
+    Context->Send(subscriber, edge, new TSchemeBoardEvents::TEvSyncRequest(), 0, 1);
+    {
+        auto ev = Context->GrabEdgeEvent<TSchemeBoardEvents::TEvSyncResponse>(edge);
+        UNIT_ASSERT(ev->Get());
+        UNIT_ASSERT_VALUES_EQUAL("path", ev->Get()->Path);
+        UNIT_ASSERT(!ev->Get()->Partial);
+    }
+}
+
 class TSubscriberCombinationsTest: public NUnitTest::TTestBase {
     TVector<TActorId> ResolveReplicas(TTestContext& context) {
         const TActorId proxy = MakeStateStorageProxyID(0);
@@ -508,5 +508,5 @@ void TSubscriberCombinationsTest::CombinationsMigratedPath() {
 }
 
 
-} // NSchemeBoard 
-} // NKikimr 
+} // NSchemeBoard
+} // NKikimr
diff --git a/ydb/core/tx/scheme_board/two_part_description.cpp b/ydb/core/tx/scheme_board/two_part_description.cpp
index d6d96af0ef..09d1c56f10 100644
--- a/ydb/core/tx/scheme_board/two_part_description.cpp
+++ b/ydb/core/tx/scheme_board/two_part_description.cpp
@@ -1,15 +1,15 @@
-#include "two_part_description.h" 
- 
-namespace NKikimr { 
-namespace NSchemeBoard { 
- 
-bool TTwoPartDescription::Empty() const { 
-    return PreSerialized.empty() && !Record.ByteSizeLong(); 
-} 
- 
-TTwoPartDescription::operator bool() const { 
-    return !Empty(); 
-} 
- 
-} // NSchemeBoard 
-} // NKikimr 
+#include "two_part_description.h"
+
+namespace NKikimr {
+namespace NSchemeBoard {
+
+bool TTwoPartDescription::Empty() const {
+    return PreSerialized.empty() && !Record.ByteSizeLong();
+}
+
+TTwoPartDescription::operator bool() const {
+    return !Empty();
+}
+
+} // NSchemeBoard
+} // NKikimr
diff --git a/ydb/core/tx/scheme_board/two_part_description.h b/ydb/core/tx/scheme_board/two_part_description.h
index 90ddfca613..0e7c8b4811 100644
--- a/ydb/core/tx/scheme_board/two_part_description.h
+++ b/ydb/core/tx/scheme_board/two_part_description.h
@@ -1,27 +1,27 @@
-#pragma once 
- 
+#pragma once
+
 #include <ydb/core/protos/flat_tx_scheme.pb.h>
- 
-#include <util/generic/string.h> 
- 
-namespace NKikimr { 
-namespace NSchemeBoard { 
- 
-struct TTwoPartDescription { 
-    TString PreSerialized; 
+
+#include <util/generic/string.h>
+
+namespace NKikimr {
+namespace NSchemeBoard {
+
+struct TTwoPartDescription {
+    TString PreSerialized;
     NKikimrScheme::TEvDescribeSchemeResult Record;
- 
-    TTwoPartDescription() = default; 
- 
+
+    TTwoPartDescription() = default;
+
     explicit TTwoPartDescription(TString preSerialized, NKikimrScheme::TEvDescribeSchemeResult record)
-        : PreSerialized(std::move(preSerialized)) 
-        , Record(std::move(record)) 
-    { 
-    } 
- 
-    bool Empty() const; 
-    operator bool() const; 
-}; 
- 
-} // NSchemeBoard 
-} // NKikimr 
+        : PreSerialized(std::move(preSerialized))
+        , Record(std::move(record))
+    {
+    }
+
+    bool Empty() const;
+    operator bool() const;
+};
+
+} // NSchemeBoard
+} // NKikimr
diff --git a/ydb/core/tx/scheme_board/ut_cache/ya.make b/ydb/core/tx/scheme_board/ut_cache/ya.make
index b539934ed9..1b1d1200bc 100644
--- a/ydb/core/tx/scheme_board/ut_cache/ya.make
+++ b/ydb/core/tx/scheme_board/ut_cache/ya.make
@@ -1,28 +1,28 @@
 UNITTEST_FOR(ydb/core/tx/scheme_board)
- 
-OWNER( 
-    ilnaz 
-    g:kikimr 
-) 
- 
-FORK_SUBTESTS() 
-
-SIZE(MEDIUM) 
-
-TIMEOUT(600) 
- 
-PEERDIR( 
+
+OWNER(
+    ilnaz
+    g:kikimr
+)
+
+FORK_SUBTESTS()
+
+SIZE(MEDIUM)
+
+TIMEOUT(600)
+
+PEERDIR(
     library/cpp/testing/unittest
     ydb/core/testlib
     ydb/core/tx/schemeshard
     ydb/core/tx/schemeshard/ut_helpers
-) 
- 
+)
+
 YQL_LAST_ABI_VERSION()
 
-SRCS( 
-    cache_ut.cpp 
-    ut_helpers.cpp 
-) 
- 
-END() 
+SRCS(
+    cache_ut.cpp
+    ut_helpers.cpp
+)
+
+END()
diff --git a/ydb/core/tx/scheme_board/ut_double_indexed/ya.make b/ydb/core/tx/scheme_board/ut_double_indexed/ya.make
index 0eaae3ab3d..0ae0cf3659 100644
--- a/ydb/core/tx/scheme_board/ut_double_indexed/ya.make
+++ b/ydb/core/tx/scheme_board/ut_double_indexed/ya.make
@@ -1,16 +1,16 @@
 UNITTEST_FOR(ydb/core/tx/scheme_board)
- 
-OWNER( 
-    ilnaz 
-    g:kikimr 
-) 
- 
-PEERDIR( 
+
+OWNER(
+    ilnaz
+    g:kikimr
+)
+
+PEERDIR(
     library/cpp/testing/unittest
-) 
- 
-SRCS( 
-    double_indexed_ut.cpp 
-) 
- 
-END() 
+)
+
+SRCS(
+    double_indexed_ut.cpp
+)
+
+END()
diff --git a/ydb/core/tx/scheme_board/ut_helpers.cpp b/ydb/core/tx/scheme_board/ut_helpers.cpp
index c1474982f1..762d8ddea1 100644
--- a/ydb/core/tx/scheme_board/ut_helpers.cpp
+++ b/ydb/core/tx/scheme_board/ut_helpers.cpp
@@ -1,45 +1,45 @@
-#include "ut_helpers.h" 
- 
-namespace NKikimr { 
-namespace NSchemeBoard { 
- 
+#include "ut_helpers.h"
+
+namespace NKikimr {
+namespace NSchemeBoard {
+
 NKikimrScheme::TEvDescribeSchemeResult GenerateDescribe(
-    const TString& path, 
+    const TString& path,
     TPathId pathId,
     ui64 version,
     TDomainId domainId
-) { 
+) {
     NKikimrScheme::TEvDescribeSchemeResult describeSchemeResult;
- 
-    describeSchemeResult.SetPath(path); 
+
+    describeSchemeResult.SetPath(path);
     describeSchemeResult.SetPathId(pathId.LocalPathId);
     describeSchemeResult.SetPathOwnerId(pathId.OwnerId);
-    describeSchemeResult.MutablePathDescription()->MutableSelf()->SetPathVersion(version); 
- 
+    describeSchemeResult.MutablePathDescription()->MutableSelf()->SetPathVersion(version);
+
     if (domainId) {
         auto domainKey = describeSchemeResult.MutablePathDescription()->MutableDomainDescription()->MutableDomainKey();
         domainKey->SetSchemeShard(domainId.OwnerId);
         domainKey->SetPathId(domainId.LocalPathId);
     }
 
-    return describeSchemeResult; 
-} 
- 
-TSchemeBoardEvents::TEvUpdate* GenerateUpdate( 
+    return describeSchemeResult;
+}
+
+TSchemeBoardEvents::TEvUpdate* GenerateUpdate(
     const NKikimrScheme::TEvDescribeSchemeResult& describe,
-    ui64 owner, 
-    ui64 generation, 
-    bool isDeletion 
-) { 
-    auto* update = new TSchemeBoardEvents::TEvUpdateBuilder(owner, generation, describe, isDeletion); 
- 
-    if (!isDeletion) { 
-        update->SetDescribeSchemeResult(describe); 
-    } 
- 
-    return update; 
-} 
- 
+    ui64 owner,
+    ui64 generation,
+    bool isDeletion
+) {
+    auto* update = new TSchemeBoardEvents::TEvUpdateBuilder(owner, generation, describe, isDeletion);
+
+    if (!isDeletion) {
+        update->SetDescribeSchemeResult(describe);
+    }
+
+    return update;
+}
+
 TVector<TCombinationsArgs> GenerateCombinationsDomainRoot(TString path, ui64 gssOwnerID, TVector<ui64> tenantsOwners) {
     TVector<TCombinationsArgs> combinations;
 
@@ -144,5 +144,5 @@ TVector<TCombinationsArgs> GenerateCombinationsMigratedPath(TString path,
     return combinations;
 }
 
-} // NSchemeBoard 
-} // NKikimr 
+} // NSchemeBoard
+} // NKikimr
diff --git a/ydb/core/tx/scheme_board/ut_helpers.h b/ydb/core/tx/scheme_board/ut_helpers.h
index f0f7af31ac..1f2e4d5e9b 100644
--- a/ydb/core/tx/scheme_board/ut_helpers.h
+++ b/ydb/core/tx/scheme_board/ut_helpers.h
@@ -1,9 +1,9 @@
-#pragma once 
- 
-#include "defs.h" 
-#include "events.h" 
-#include "subscriber.h" 
- 
+#pragma once
+
+#include "defs.h"
+#include "events.h"
+#include "subscriber.h"
+
 #include <ydb/core/base/tablet_types.h>
 #include <ydb/core/protos/flat_tx_scheme.pb.h>
 #include <ydb/core/testlib/basics/appdata.h>
@@ -13,246 +13,246 @@
 #include <ydb/core/testlib/tablet_helpers.h>
 #include <ydb/core/tx/schemeshard/schemeshard.h>
 #include <ydb/core/tx/tx_allocator/txallocator.h>
- 
+
 #include <library/cpp/actors/interconnect/interconnect_impl.h>
 #include <library/cpp/testing/unittest/registar.h>
- 
-#include <util/generic/algorithm.h> 
-#include <util/generic/string.h> 
- 
-namespace NKikimr { 
-namespace NSchemeBoard { 
- 
-class TTestContext: public TTestBasicRuntime { 
-public: 
-    using TTestBasicRuntime::TTestBasicRuntime; 
- 
-    void Send( 
+
+#include <util/generic/algorithm.h>
+#include <util/generic/string.h>
+
+namespace NKikimr {
+namespace NSchemeBoard {
+
+class TTestContext: public TTestBasicRuntime {
+public:
+    using TTestBasicRuntime::TTestBasicRuntime;
+
+    void Send(
         const TActorId& recipient,
         const TActorId& sender,
-        IEventBase* ev, 
-        ui32 flags = 0, 
-        ui64 cookie = 0, 
-        ui32 senderNodeIndex = 0, 
-        bool viaActorSystem = false 
-    ) { 
-        TTestBasicRuntime::Send(new IEventHandle(recipient, sender, ev, flags, cookie), senderNodeIndex, viaActorSystem); 
-    } 
- 
-    void WaitForEvent(ui32 eventType) { 
-        TDispatchOptions options; 
-        options.FinalEvents.emplace_back(eventType); 
-        DispatchEvents(options); 
-    } 
- 
-    void Connect(ui32 nodeIndexFrom, ui32 nodeIndexTo) { 
+        IEventBase* ev,
+        ui32 flags = 0,
+        ui64 cookie = 0,
+        ui32 senderNodeIndex = 0,
+        bool viaActorSystem = false
+    ) {
+        TTestBasicRuntime::Send(new IEventHandle(recipient, sender, ev, flags, cookie), senderNodeIndex, viaActorSystem);
+    }
+
+    void WaitForEvent(ui32 eventType) {
+        TDispatchOptions options;
+        options.FinalEvents.emplace_back(eventType);
+        DispatchEvents(options);
+    }
+
+    void Connect(ui32 nodeIndexFrom, ui32 nodeIndexTo) {
         const TActorId proxy = GetInterconnectProxy(nodeIndexFrom, nodeIndexTo);
- 
+
         Send(proxy, TActorId(), new TEvInterconnect::TEvConnectNode(), 0, 0, nodeIndexFrom, true);
-        WaitForEvent(TEvInterconnect::EvNodeConnected); 
-    } 
- 
-    void Disconnect(ui32 nodeIndexFrom, ui32 nodeIndexTo) { 
+        WaitForEvent(TEvInterconnect::EvNodeConnected);
+    }
+
+    void Disconnect(ui32 nodeIndexFrom, ui32 nodeIndexTo) {
         const TActorId proxy = GetInterconnectProxy(nodeIndexFrom, nodeIndexTo);
- 
+
         Send(proxy, TActorId(), new TEvInterconnect::TEvDisconnect(), 0, 0, nodeIndexFrom, true);
-        WaitForEvent(TEvInterconnect::EvNodeDisconnected); 
-    } 
- 
-    template <typename TEvent> 
-    size_t CountEvents(bool dispatch = true) { 
-        if (dispatch) { 
-            if (!DispatchEvents()) { 
-                return 0; 
-            } 
-        } 
- 
-        return CountIf(CaptureEvents(), [](const TAutoPtr<IEventHandle> ev) { 
-            return ev->GetTypeRewrite() == TEvent::EventType; 
-        }); 
-    } 
- 
-    template <typename TEvent> 
-    size_t CountEdgeEvents() { 
-        return CountEvents<TEvent>(false); 
-    } 
- 
-    TSchemeBoardEvents::TEvHandshakeResponse::TPtr HandshakeReplica( 
+        WaitForEvent(TEvInterconnect::EvNodeDisconnected);
+    }
+
+    template <typename TEvent>
+    size_t CountEvents(bool dispatch = true) {
+        if (dispatch) {
+            if (!DispatchEvents()) {
+                return 0;
+            }
+        }
+
+        return CountIf(CaptureEvents(), [](const TAutoPtr<IEventHandle> ev) {
+            return ev->GetTypeRewrite() == TEvent::EventType;
+        });
+    }
+
+    template <typename TEvent>
+    size_t CountEdgeEvents() {
+        return CountEvents<TEvent>(false);
+    }
+
+    TSchemeBoardEvents::TEvHandshakeResponse::TPtr HandshakeReplica(
         const TActorId& replica,
         const TActorId& sender,
-        ui64 owner = 1, 
-        ui64 generation = 1, 
-        bool grabResponse = true 
-    ) { 
-        Send(replica, sender, new TSchemeBoardEvents::TEvHandshakeRequest(owner, generation)); 
- 
-        if (grabResponse) { 
-            return GrabEdgeEvent<TSchemeBoardEvents::TEvHandshakeResponse>(sender); 
-        } 
- 
-        return nullptr; 
-    } 
- 
-    void CommitReplica( 
+        ui64 owner = 1,
+        ui64 generation = 1,
+        bool grabResponse = true
+    ) {
+        Send(replica, sender, new TSchemeBoardEvents::TEvHandshakeRequest(owner, generation));
+
+        if (grabResponse) {
+            return GrabEdgeEvent<TSchemeBoardEvents::TEvHandshakeResponse>(sender);
+        }
+
+        return nullptr;
+    }
+
+    void CommitReplica(
         const TActorId& replica,
         const TActorId& sender,
-        ui64 owner = 1, 
-        ui64 generation = 1 
-    ) { 
-        Send(replica, sender, new TSchemeBoardEvents::TEvCommitRequest(owner, generation)); 
-    } 
- 
-    template <typename TPath> 
-    TSchemeBoardEvents::TEvNotify::TPtr SubscribeReplica( 
+        ui64 owner = 1,
+        ui64 generation = 1
+    ) {
+        Send(replica, sender, new TSchemeBoardEvents::TEvCommitRequest(owner, generation));
+    }
+
+    template <typename TPath>
+    TSchemeBoardEvents::TEvNotify::TPtr SubscribeReplica(
         const TActorId& replica,
         const TActorId& sender,
-        const TPath& path, 
-        bool grabResponse = true, 
-        const ui64 domainOwnerId = 0, 
-        const NKikimrSchemeBoard::TEvSubscribe::TCapabilities& capabilities = NKikimrSchemeBoard::TEvSubscribe::TCapabilities() 
-    ) { 
-        auto subscribe = MakeHolder<TSchemeBoardEvents::TEvSubscribe>(path, domainOwnerId); 
-        subscribe->Record.MutableCapabilities()->CopyFrom(capabilities); 
- 
-        Send(replica, sender, subscribe.Release()); 
- 
-        if (grabResponse) { 
-            return GrabEdgeEvent<TSchemeBoardEvents::TEvNotify>(sender); 
-        } 
- 
-        return nullptr; 
-    } 
- 
-    template <typename TPath> 
+        const TPath& path,
+        bool grabResponse = true,
+        const ui64 domainOwnerId = 0,
+        const NKikimrSchemeBoard::TEvSubscribe::TCapabilities& capabilities = NKikimrSchemeBoard::TEvSubscribe::TCapabilities()
+    ) {
+        auto subscribe = MakeHolder<TSchemeBoardEvents::TEvSubscribe>(path, domainOwnerId);
+        subscribe->Record.MutableCapabilities()->CopyFrom(capabilities);
+
+        Send(replica, sender, subscribe.Release());
+
+        if (grabResponse) {
+            return GrabEdgeEvent<TSchemeBoardEvents::TEvNotify>(sender);
+        }
+
+        return nullptr;
+    }
+
+    template <typename TPath>
     void UnsubscribeReplica(const TActorId& replica, const TActorId& sender, const TPath& path) {
-        Send(replica, sender, new TSchemeBoardEvents::TEvUnsubscribe(path)); 
-    } 
- 
-    template <typename TEvent, typename TPath> 
+        Send(replica, sender, new TSchemeBoardEvents::TEvUnsubscribe(path));
+    }
+
+    template <typename TEvent, typename TPath>
     TActorId CreateSubscriber(
         const TActorId& owner,
-        const TPath& path, 
-        ui64 stateStorageGroup = 0, 
-        ui64 domainOwnerId = 1, 
-        bool grabResponse = true, 
-        ui32 nodeIndex = 0 
-    ) { 
+        const TPath& path,
+        ui64 stateStorageGroup = 0,
+        ui64 domainOwnerId = 1,
+        bool grabResponse = true,
+        ui32 nodeIndex = 0
+    ) {
         const TActorId subscriber = Register(
-            CreateSchemeBoardSubscriber(owner, path, stateStorageGroup, domainOwnerId), nodeIndex 
-        ); 
-        EnableScheduleForActor(subscriber, true); 
- 
-        if (grabResponse) { 
-            GrabEdgeEvent<TEvent>(owner); 
-        } 
- 
-        return subscriber; 
-    } 
- 
-    template <typename TPath> 
+            CreateSchemeBoardSubscriber(owner, path, stateStorageGroup, domainOwnerId), nodeIndex
+        );
+        EnableScheduleForActor(subscriber, true);
+
+        if (grabResponse) {
+            GrabEdgeEvent<TEvent>(owner);
+        }
+
+        return subscriber;
+    }
+
+    template <typename TPath>
     TActorId CreateSubscriber(
         const TActorId& owner,
-        const TPath& path, 
-        ui64 stateStorageGroup = 0, 
-        ui64 domainOwnerId = 1, 
-        ui32 nodeIndex = 0 
-    ) { 
-        return CreateSubscriber<TSchemeBoardEvents::TEvNotify>( 
-            owner, path, stateStorageGroup, domainOwnerId, false, nodeIndex 
-        ); 
-    } 
- 
-}; // TTestContext 
- 
-class TTestWithSchemeshard: public NUnitTest::TTestBase { 
-    static void AddDomain( 
-        TTestActorRuntime& runtime, 
-        TAppPrepare& app, 
-        const TString& name, 
-        ui32 domainUid, 
-        ui32 stateStorageGroup, 
-        ui64 hiveTabletId, 
-        ui64 schemeshardTabletId 
-    ) { 
-        app.ClearDomainsAndHive(); 
-        ui32 planResolution = 50; 
-        auto domain = TDomainsInfo::TDomain::ConstructDomainWithExplicitTabletIds( 
-            name, domainUid, schemeshardTabletId, 
+        const TPath& path,
+        ui64 stateStorageGroup = 0,
+        ui64 domainOwnerId = 1,
+        ui32 nodeIndex = 0
+    ) {
+        return CreateSubscriber<TSchemeBoardEvents::TEvNotify>(
+            owner, path, stateStorageGroup, domainOwnerId, false, nodeIndex
+        );
+    }
+
+}; // TTestContext
+
+class TTestWithSchemeshard: public NUnitTest::TTestBase {
+    static void AddDomain(
+        TTestActorRuntime& runtime,
+        TAppPrepare& app,
+        const TString& name,
+        ui32 domainUid,
+        ui32 stateStorageGroup,
+        ui64 hiveTabletId,
+        ui64 schemeshardTabletId
+    ) {
+        app.ClearDomainsAndHive();
+        ui32 planResolution = 50;
+        auto domain = TDomainsInfo::TDomain::ConstructDomainWithExplicitTabletIds(
+            name, domainUid, schemeshardTabletId,
             stateStorageGroup, stateStorageGroup, TVector<ui32>{stateStorageGroup},
-            domainUid, TVector<ui32>{domainUid}, 
-            planResolution, 
-            TVector<ui64>{TDomainsInfo::MakeTxCoordinatorIDFixed(domainUid, 1)}, 
-            TVector<ui64>{}, 
-            TVector<ui64>{TDomainsInfo::MakeTxAllocatorIDFixed(domainUid, 1)}, 
-            DefaultPoolKinds(2) 
-        ); 
- 
-        TVector<ui64> ids = runtime.GetTxAllocatorTabletIds(); 
-        ids.insert(ids.end(), domain->TxAllocators.begin(), domain->TxAllocators.end()); 
-        runtime.SetTxAllocatorTabletIds(ids); 
- 
-        app.AddDomain(domain.Release()); 
-        app.AddHive(domainUid, hiveTabletId); 
-    } 
- 
-    static void SetupRuntime(TTestActorRuntime& runtime) { 
-        for (ui32 i : xrange(runtime.GetNodeCount())) { 
-            SetupStateStorage(runtime, i, 0); 
-        } 
- 
-        TAppPrepare app; 
+            domainUid, TVector<ui32>{domainUid},
+            planResolution,
+            TVector<ui64>{TDomainsInfo::MakeTxCoordinatorIDFixed(domainUid, 1)},
+            TVector<ui64>{},
+            TVector<ui64>{TDomainsInfo::MakeTxAllocatorIDFixed(domainUid, 1)},
+            DefaultPoolKinds(2)
+        );
+
+        TVector<ui64> ids = runtime.GetTxAllocatorTabletIds();
+        ids.insert(ids.end(), domain->TxAllocators.begin(), domain->TxAllocators.end());
+        runtime.SetTxAllocatorTabletIds(ids);
+
+        app.AddDomain(domain.Release());
+        app.AddHive(domainUid, hiveTabletId);
+    }
+
+    static void SetupRuntime(TTestActorRuntime& runtime) {
+        for (ui32 i : xrange(runtime.GetNodeCount())) {
+            SetupStateStorage(runtime, i, 0);
+        }
+
+        TAppPrepare app;
         AddDomain(runtime, app, "Root", 0, 0, TTestTxConfig::Hive, TTestTxConfig::SchemeShard);
         SetupChannelProfiles(app, 0, 1);
-        SetupTabletServices(runtime, &app, true); 
-    } 
- 
-    static void BootSchemeShard(TTestActorRuntime& runtime, ui64 tabletId) { 
+        SetupTabletServices(runtime, &app, true);
+    }
+
+    static void BootSchemeShard(TTestActorRuntime& runtime, ui64 tabletId) {
         using namespace NSchemeShard;
- 
+
         CreateTestBootstrapper(runtime, CreateTestTabletInfo(tabletId, TTabletTypes::FLAT_SCHEMESHARD), &CreateFlatTxSchemeShard);
- 
+
         const TActorId edge = runtime.AllocateEdgeActor();
- 
+
         auto init = new TEvSchemeShard::TEvInitRootShard(edge, 32, "Root");
-        runtime.SendToPipe(tabletId, edge, init, 0, GetPipeConfigWithRetries()); 
+        runtime.SendToPipe(tabletId, edge, init, 0, GetPipeConfigWithRetries());
         auto ev = runtime.GrabEdgeEvent<TEvSchemeShard::TEvInitRootShardResult>(edge);
- 
-        UNIT_ASSERT(ev->Get()); 
-        UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetOrigin(), tabletId); 
+
+        UNIT_ASSERT(ev->Get());
+        UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetOrigin(), tabletId);
         UNIT_ASSERT_VALUES_EQUAL(ev->Get()->Record.GetStatus(), (ui32)TEvSchemeShard::TEvInitRootShardResult::StatusAlreadyInitialized);
-    } 
- 
-    static void BootTxAllocator(TTestActorRuntime& runtime, ui64 tabletId) { 
+    }
+
+    static void BootTxAllocator(TTestActorRuntime& runtime, ui64 tabletId) {
         CreateTestBootstrapper(runtime, CreateTestTabletInfo(tabletId, TTabletTypes::TX_ALLOCATOR), &CreateTxAllocator);
-    } 
- 
-    void BootCoordinator(TTestActorRuntime& runtime, ui64 tabletId) { 
-        CoordinatorState = new TFakeCoordinator::TState(); 
+    }
+
+    void BootCoordinator(TTestActorRuntime& runtime, ui64 tabletId) {
+        CoordinatorState = new TFakeCoordinator::TState();
         BootFakeCoordinator(runtime, tabletId, CoordinatorState);
-    } 
- 
-    void BootHive(TTestActorRuntime& runtime, ui64 tabletId) { 
-        HiveState = new TFakeHiveState(); 
-        BootFakeHive(runtime, tabletId, HiveState); 
-    } 
- 
-protected: 
-    virtual TTestContext::TEventObserver ObserverFunc() { 
-        return TTestContext::DefaultObserverFunc; 
-    } 
- 
-public: 
-    void SetUp() override { 
-        Context = MakeHolder<TTestContext>(); 
-        Context->SetObserverFunc(ObserverFunc()); 
- 
-        SetupRuntime(*Context); 
+    }
+
+    void BootHive(TTestActorRuntime& runtime, ui64 tabletId) {
+        HiveState = new TFakeHiveState();
+        BootFakeHive(runtime, tabletId, HiveState);
+    }
+
+protected:
+    virtual TTestContext::TEventObserver ObserverFunc() {
+        return TTestContext::DefaultObserverFunc;
+    }
+
+public:
+    void SetUp() override {
+        Context = MakeHolder<TTestContext>();
+        Context->SetObserverFunc(ObserverFunc());
+
+        SetupRuntime(*Context);
         BootSchemeShard(*Context, TTestTxConfig::SchemeShard);
         BootTxAllocator(*Context, TTestTxConfig::TxAllocator);
         BootCoordinator(*Context, TTestTxConfig::Coordinator);
         BootHive(*Context, TTestTxConfig::Hive);
-    } 
- 
+    }
+
     void TurnOnTabletsScheduling() {
         if (SchedulingGuard) {
             return;
@@ -272,37 +272,37 @@ public:
         RebootTablet(*Context, (ui64)TTestTxConfig::SchemeShard, sender);
     }
 
-    void TearDown() override { 
+    void TearDown() override {
         SchedulingGuard.Reset();
-        CoordinatorState.Drop(); 
-        HiveState.Drop(); 
+        CoordinatorState.Drop();
+        HiveState.Drop();
         Context.Reset();
-    } 
- 
-protected: 
-    THolder<TTestContext> Context; 
- 
-private: 
-    TFakeCoordinator::TState::TPtr CoordinatorState; 
-    TFakeHiveState::TPtr HiveState; 
+    }
+
+protected:
+    THolder<TTestContext> Context;
+
+private:
+    TFakeCoordinator::TState::TPtr CoordinatorState;
+    TFakeHiveState::TPtr HiveState;
     THolder<ITabletScheduledEventsGuard> SchedulingGuard;
- 
-}; // TTestWithSchemeshard 
- 
+
+}; // TTestWithSchemeshard
+
 NKikimrScheme::TEvDescribeSchemeResult GenerateDescribe(
-    const TString& path, 
+    const TString& path,
     TPathId pathId,
     ui64 version = 1,
     TDomainId domainId = TDomainId()
-); 
- 
-TSchemeBoardEvents::TEvUpdate* GenerateUpdate( 
+);
+
+TSchemeBoardEvents::TEvUpdate* GenerateUpdate(
     const NKikimrScheme::TEvDescribeSchemeResult& describe,
-    ui64 owner = 1, 
-    ui64 generation = 1, 
-    bool isDeletion = false 
-); 
- 
+    ui64 owner = 1,
+    ui64 generation = 1,
+    bool isDeletion = false
+);
+
 struct TCombinationsArgs {
     TString Path;
     TPathId PathId;
@@ -333,5 +333,5 @@ TVector<TCombinationsArgs> GenerateCombinationsMigratedPath(TString path,
                                                             ui64 gssID, TVector<ui64> tssIDs,
                                                             ui64 gssLocalPathId, ui64 tssLocalPathId);
 
-} // NSchemeBoard 
-} // NKikimr 
+} // NSchemeBoard
+} // NKikimr
diff --git a/ydb/core/tx/scheme_board/ut_monitoring/ya.make b/ydb/core/tx/scheme_board/ut_monitoring/ya.make
index 66410f486d..86a1deb5ed 100644
--- a/ydb/core/tx/scheme_board/ut_monitoring/ya.make
+++ b/ydb/core/tx/scheme_board/ut_monitoring/ya.make
@@ -1,27 +1,27 @@
 UNITTEST_FOR(ydb/core/tx/scheme_board)
- 
-OWNER( 
-    ilnaz 
-    g:kikimr 
-) 
- 
-FORK_SUBTESTS() 
-
-SIZE(MEDIUM) 
-
-TIMEOUT(600) 
- 
-PEERDIR( 
-    library/cpp/actors/core 
-    library/cpp/testing/unittest 
+
+OWNER(
+    ilnaz
+    g:kikimr
+)
+
+FORK_SUBTESTS()
+
+SIZE(MEDIUM)
+
+TIMEOUT(600)
+
+PEERDIR(
+    library/cpp/actors/core
+    library/cpp/testing/unittest
     ydb/core/testlib/basics
-) 
- 
+)
+
 YQL_LAST_ABI_VERSION()
- 
-SRCS( 
-    monitoring_ut.cpp 
-    ut_helpers.cpp 
-) 
- 
-END() 
+
+SRCS(
+    monitoring_ut.cpp
+    ut_helpers.cpp
+)
+
+END()
diff --git a/ydb/core/tx/scheme_board/ut_populator/ya.make b/ydb/core/tx/scheme_board/ut_populator/ya.make
index fa1249ed95..c5bf28ef04 100644
--- a/ydb/core/tx/scheme_board/ut_populator/ya.make
+++ b/ydb/core/tx/scheme_board/ut_populator/ya.make
@@ -1,29 +1,29 @@
 UNITTEST_FOR(ydb/core/tx/scheme_board)
- 
-OWNER( 
-    ilnaz 
-    g:kikimr 
-) 
- 
-FORK_SUBTESTS() 
+
+OWNER(
+    ilnaz
+    g:kikimr
+)
+
+FORK_SUBTESTS()
 
 SIZE(MEDIUM)
 
 TIMEOUT(600)
- 
-PEERDIR( 
+
+PEERDIR(
     library/cpp/testing/unittest
     ydb/core/testlib
     ydb/core/tx/schemeshard
     ydb/core/tx/schemeshard/ut_helpers
     ydb/core/tx/tx_allocator
-) 
- 
-SRCS( 
-    populator_ut.cpp 
-    ut_helpers.cpp 
-) 
- 
+)
+
+SRCS(
+    populator_ut.cpp
+    ut_helpers.cpp
+)
+
 YQL_LAST_ABI_VERSION()
 
-END() 
+END()
diff --git a/ydb/core/tx/scheme_board/ut_replica/ya.make b/ydb/core/tx/scheme_board/ut_replica/ya.make
index 1b21d5cc0c..690a11fbe7 100644
--- a/ydb/core/tx/scheme_board/ut_replica/ya.make
+++ b/ydb/core/tx/scheme_board/ut_replica/ya.make
@@ -1,26 +1,26 @@
 UNITTEST_FOR(ydb/core/tx/scheme_board)
- 
-OWNER( 
-    ilnaz 
-    g:kikimr 
-) 
- 
-FORK_SUBTESTS() 
-
-SIZE(MEDIUM) 
-
-TIMEOUT(600) 
- 
-PEERDIR( 
+
+OWNER(
+    ilnaz
+    g:kikimr
+)
+
+FORK_SUBTESTS()
+
+SIZE(MEDIUM)
+
+TIMEOUT(600)
+
+PEERDIR(
     library/cpp/testing/unittest
     ydb/core/testlib/basics
-) 
- 
+)
+
 YQL_LAST_ABI_VERSION()
 
-SRCS( 
-    replica_ut.cpp 
-    ut_helpers.cpp 
-) 
- 
-END() 
+SRCS(
+    replica_ut.cpp
+    ut_helpers.cpp
+)
+
+END()
diff --git a/ydb/core/tx/scheme_board/ut_subscriber/ya.make b/ydb/core/tx/scheme_board/ut_subscriber/ya.make
index 824ad70f01..cf3dd5d1d0 100644
--- a/ydb/core/tx/scheme_board/ut_subscriber/ya.make
+++ b/ydb/core/tx/scheme_board/ut_subscriber/ya.make
@@ -1,27 +1,27 @@
 UNITTEST_FOR(ydb/core/tx/scheme_board)
- 
-OWNER( 
-    ilnaz 
-    g:kikimr 
-) 
- 
-FORK_SUBTESTS() 
-
-SIZE(MEDIUM) 
-
-TIMEOUT(600) 
- 
-PEERDIR( 
+
+OWNER(
+    ilnaz
+    g:kikimr
+)
+
+FORK_SUBTESTS()
+
+SIZE(MEDIUM)
+
+TIMEOUT(600)
+
+PEERDIR(
     library/cpp/actors/interconnect
     library/cpp/testing/unittest
     ydb/core/testlib/basics
-) 
- 
+)
+
 YQL_LAST_ABI_VERSION()
 
-SRCS( 
-    subscriber_ut.cpp 
-    ut_helpers.cpp 
-) 
- 
-END() 
+SRCS(
+    subscriber_ut.cpp
+    ut_helpers.cpp
+)
+
+END()
diff --git a/ydb/core/tx/scheme_board/ya.make b/ydb/core/tx/scheme_board/ya.make
index e319825dff..3caed17371 100644
--- a/ydb/core/tx/scheme_board/ya.make
+++ b/ydb/core/tx/scheme_board/ya.make
@@ -1,11 +1,11 @@
-LIBRARY() 
- 
-OWNER( 
-    ilnaz 
-    g:kikimr 
-) 
- 
-PEERDIR( 
+LIBRARY()
+
+OWNER(
+    ilnaz
+    g:kikimr
+)
+
+PEERDIR(
     library/cpp/actors/core
     ydb/core/base
     ydb/core/mon
@@ -14,22 +14,22 @@ PEERDIR(
     ydb/core/tx/scheme_cache
     ydb/core/util
     ydb/library/aclib
-) 
- 
-SRCS( 
-    cache.cpp 
-    helpers.cpp 
-    load_test.cpp 
-    monitoring.cpp 
-    populator.cpp 
-    replica.cpp 
-    subscriber.cpp 
-    two_part_description.cpp 
-) 
- 
-GENERATE_ENUM_SERIALIZATION(subscriber.h) 
- 
-END() 
+)
+
+SRCS(
+    cache.cpp
+    helpers.cpp
+    load_test.cpp
+    monitoring.cpp
+    populator.cpp
+    replica.cpp
+    subscriber.cpp
+    two_part_description.cpp
+)
+
+GENERATE_ENUM_SERIALIZATION(subscriber.h)
+
+END()
 
 RECURSE_FOR_TESTS(
     ut_cache
diff --git a/ydb/core/tx/scheme_cache/scheme_cache.cpp b/ydb/core/tx/scheme_cache/scheme_cache.cpp
index cb19091958..5cf9a0b0d5 100644
--- a/ydb/core/tx/scheme_cache/scheme_cache.cpp
+++ b/ydb/core/tx/scheme_cache/scheme_cache.cpp
@@ -2,129 +2,129 @@
 
 #include <ydb/core/base/path.h>
 
-#include <util/string/builder.h> 
+#include <util/string/builder.h>
 
 namespace NKikimr {
 namespace NSchemeCache {
 
-TSchemeCacheConfig::TSchemeCacheConfig(const TAppData* appData, NMonitoring::TDynamicCounterPtr counters) 
-    : Counters(counters) 
-{ 
-    Y_VERIFY(appData); 
-    Y_VERIFY(appData->DomainsInfo); 
+TSchemeCacheConfig::TSchemeCacheConfig(const TAppData* appData, NMonitoring::TDynamicCounterPtr counters)
+    : Counters(counters)
+{
+    Y_VERIFY(appData);
+    Y_VERIFY(appData->DomainsInfo);
 
-    for (const auto& [_, domain] : appData->DomainsInfo->Domains) { 
-        Y_VERIFY(domain); 
+    for (const auto& [_, domain] : appData->DomainsInfo->Domains) {
+        Y_VERIFY(domain);
 
-        if (!domain->SchemeRoot) { 
-            continue; 
+        if (!domain->SchemeRoot) {
+            continue;
         }
 
-        Roots.emplace_back(domain->DomainRootTag(), domain->SchemeRoot, domain->Name); 
+        Roots.emplace_back(domain->DomainRootTag(), domain->SchemeRoot, domain->Name);
     }
-} 
-
-TString TDomainInfo::ToString() const { 
-    return TStringBuilder() << "{" 
-        << " DomainKey: " << DomainKey 
-        << " ResourcesDomainKey: " << ResourcesDomainKey 
-        << " Params { " << Params.ShortDebugString() << " }" 
-    << " }"; 
 }
 
-TString TSchemeCacheNavigate::TEntry::ToString() const { 
-    return TStringBuilder() << "{" 
-        << " Path: " << JoinPath(Path) 
-        << " TableId: " << TableId 
-        << " RequestType: " << RequestType 
-        << " Operation: " << Operation 
-        << " RedirectRequired: " << (RedirectRequired ? "true" : "false") 
-        << " ShowPrivatePath: " << (ShowPrivatePath ? "true" : "false") 
-        << " SyncVersion: " << (SyncVersion ? "true" : "false") 
-        << " Status: " << Status 
-        << " Kind: " << Kind 
-        << " DomainInfo " << (DomainInfo ? DomainInfo->ToString() : "<null>") 
-    << " }"; 
+TString TDomainInfo::ToString() const {
+    return TStringBuilder() << "{"
+        << " DomainKey: " << DomainKey
+        << " ResourcesDomainKey: " << ResourcesDomainKey
+        << " Params { " << Params.ShortDebugString() << " }"
+    << " }";
 }
 
-TString TSchemeCacheNavigate::TEntry::ToString(const NScheme::TTypeRegistry& typeRegistry) const { 
-    Y_UNUSED(typeRegistry); 
-    return ToString(); 
+TString TSchemeCacheNavigate::TEntry::ToString() const {
+    return TStringBuilder() << "{"
+        << " Path: " << JoinPath(Path)
+        << " TableId: " << TableId
+        << " RequestType: " << RequestType
+        << " Operation: " << Operation
+        << " RedirectRequired: " << (RedirectRequired ? "true" : "false")
+        << " ShowPrivatePath: " << (ShowPrivatePath ? "true" : "false")
+        << " SyncVersion: " << (SyncVersion ? "true" : "false")
+        << " Status: " << Status
+        << " Kind: " << Kind
+        << " DomainInfo " << (DomainInfo ? DomainInfo->ToString() : "<null>")
+    << " }";
 }
 
-template <typename TResultSet> 
-static TString ResultSetToString(const TResultSet& rs, const NScheme::TTypeRegistry& typeRegistry) { 
-    TStringBuilder out; 
+TString TSchemeCacheNavigate::TEntry::ToString(const NScheme::TTypeRegistry& typeRegistry) const {
+    Y_UNUSED(typeRegistry);
+    return ToString();
+}
+
+template <typename TResultSet>
+static TString ResultSetToString(const TResultSet& rs, const NScheme::TTypeRegistry& typeRegistry) {
+    TStringBuilder out;
 
-    for (ui32 i = 0; i < rs.size(); ++i) { 
-        if (i) { 
-            out << ","; 
+    for (ui32 i = 0; i < rs.size(); ++i) {
+        if (i) {
+            out << ",";
         }
 
-        out << rs.at(i).ToString(typeRegistry); 
+        out << rs.at(i).ToString(typeRegistry);
     }
 
-    return out; 
+    return out;
 }
 
-TString TSchemeCacheNavigate::ToString(const NScheme::TTypeRegistry& typeRegistry) const { 
-    return TStringBuilder() << "{" 
-        << " ErrorCount: " << ErrorCount 
-        << " DatabaseName: " << DatabaseName 
-        << " DomainOwnerId: " << DomainOwnerId 
-        << " ResultSet [" << ResultSetToString(ResultSet, typeRegistry) << "]" 
-    << " }"; 
+TString TSchemeCacheNavigate::ToString(const NScheme::TTypeRegistry& typeRegistry) const {
+    return TStringBuilder() << "{"
+        << " ErrorCount: " << ErrorCount
+        << " DatabaseName: " << DatabaseName
+        << " DomainOwnerId: " << DomainOwnerId
+        << " ResultSet [" << ResultSetToString(ResultSet, typeRegistry) << "]"
+    << " }";
 }
 
-TString TSchemeCacheRequest::TEntry::ToString() const { 
-    return TStringBuilder() << "{" 
-        << " TableId: " << (KeyDescription ? ::ToString(KeyDescription->TableId.PathId) : "<moved>") 
-        << " Access: " << Access 
-        << " SyncVersion: " << (SyncVersion ? "true" : "false") 
-        << " Status: " << Status 
-        << " Kind: " << Kind 
-        << " PartitionsCount: " << (KeyDescription ? ::ToString(KeyDescription->Partitions.size()) : "<moved>") 
-        << " DomainInfo " << (DomainInfo ? DomainInfo->ToString() : "<null>") 
-    << " }"; 
+TString TSchemeCacheRequest::TEntry::ToString() const {
+    return TStringBuilder() << "{"
+        << " TableId: " << (KeyDescription ? ::ToString(KeyDescription->TableId.PathId) : "<moved>")
+        << " Access: " << Access
+        << " SyncVersion: " << (SyncVersion ? "true" : "false")
+        << " Status: " << Status
+        << " Kind: " << Kind
+        << " PartitionsCount: " << (KeyDescription ? ::ToString(KeyDescription->Partitions.size()) : "<moved>")
+        << " DomainInfo " << (DomainInfo ? DomainInfo->ToString() : "<null>")
+    << " }";
 }
 
-TString TSchemeCacheRequest::TEntry::ToString(const NScheme::TTypeRegistry& typeRegistry) const { 
-    TStringBuilder out; 
-    out << "{" 
-        << " TableId: " << (KeyDescription ? ::ToString(KeyDescription->TableId.PathId) : "<moved>") 
-        << " Access: " << Access 
-        << " SyncVersion: " << (SyncVersion ? "true" : "false") 
-        << " Status: " << Status 
-        << " Kind: " << Kind 
-        << " PartitionsCount: " << (KeyDescription ? ::ToString(KeyDescription->Partitions.size()) : "<moved>") 
-        << " DomainInfo " << (DomainInfo ? DomainInfo->ToString() : "<null>"); 
-
-    if (KeyDescription) { 
-        TDbTupleRef from(KeyDescription->KeyColumnTypes.data(), KeyDescription->Range.From.data(), KeyDescription->Range.From.size()); 
-        TDbTupleRef to(KeyDescription->KeyColumnTypes.data(), KeyDescription->Range.To.data(), KeyDescription->Range.To.size()); 
-
-        if (KeyDescription->Range.Point) { 
-            out << " Point: " << DbgPrintTuple(from, typeRegistry); 
+TString TSchemeCacheRequest::TEntry::ToString(const NScheme::TTypeRegistry& typeRegistry) const {
+    TStringBuilder out;
+    out << "{"
+        << " TableId: " << (KeyDescription ? ::ToString(KeyDescription->TableId.PathId) : "<moved>")
+        << " Access: " << Access
+        << " SyncVersion: " << (SyncVersion ? "true" : "false")
+        << " Status: " << Status
+        << " Kind: " << Kind
+        << " PartitionsCount: " << (KeyDescription ? ::ToString(KeyDescription->Partitions.size()) : "<moved>")
+        << " DomainInfo " << (DomainInfo ? DomainInfo->ToString() : "<null>");
+
+    if (KeyDescription) {
+        TDbTupleRef from(KeyDescription->KeyColumnTypes.data(), KeyDescription->Range.From.data(), KeyDescription->Range.From.size());
+        TDbTupleRef to(KeyDescription->KeyColumnTypes.data(), KeyDescription->Range.To.data(), KeyDescription->Range.To.size());
+
+        if (KeyDescription->Range.Point) {
+            out << " Point: " << DbgPrintTuple(from, typeRegistry);
         } else {
-            out << " From: " << DbgPrintTuple(from, typeRegistry) 
-                << " IncFrom: " << KeyDescription->Range.InclusiveFrom 
-                << " To: " << DbgPrintTuple(to, typeRegistry) 
-                << " IncTo: " << KeyDescription->Range.InclusiveTo; 
+            out << " From: " << DbgPrintTuple(from, typeRegistry)
+                << " IncFrom: " << KeyDescription->Range.InclusiveFrom
+                << " To: " << DbgPrintTuple(to, typeRegistry)
+                << " IncTo: " << KeyDescription->Range.InclusiveTo;
         }
     }
 
-    out << " }"; 
-    return out; 
+    out << " }";
+    return out;
 }
 
-TString TSchemeCacheRequest::ToString(const NScheme::TTypeRegistry& typeRegistry) const { 
-    return TStringBuilder() << "{" 
-        << " ErrorCount: " << ErrorCount 
-        << " DatabaseName: " << DatabaseName 
-        << " DomainOwnerId: " << DomainOwnerId 
-        << " ResultSet [" << ResultSetToString(ResultSet, typeRegistry) << "]" 
-    << " }"; 
+TString TSchemeCacheRequest::ToString(const NScheme::TTypeRegistry& typeRegistry) const {
+    return TStringBuilder() << "{"
+        << " ErrorCount: " << ErrorCount
+        << " DatabaseName: " << DatabaseName
+        << " DomainOwnerId: " << DomainOwnerId
+        << " ResultSet [" << ResultSetToString(ResultSet, typeRegistry) << "]"
+    << " }";
 }
 
-} // NSchemeCache 
-} // NKikimr 
+} // NSchemeCache
+} // NKikimr
diff --git a/ydb/core/tx/scheme_cache/scheme_cache.h b/ydb/core/tx/scheme_cache/scheme_cache.h
index 576cd1d720..26a07897a1 100644
--- a/ydb/core/tx/scheme_cache/scheme_cache.h
+++ b/ydb/core/tx/scheme_cache/scheme_cache.h
@@ -12,7 +12,7 @@
 #include <ydb/core/tx/datashard/sys_tables.h>
 #include <ydb/library/aclib/aclib.h>
 
-#include <util/datetime/base.h> 
+#include <util/datetime/base.h>
 #include <util/generic/hash.h>
 #include <util/generic/hash_set.h>
 #include <util/generic/ptr.h>
@@ -22,20 +22,20 @@ namespace NSchemeCache {
 
 struct TSchemeCacheConfig : public TThrRefBase {
     struct TTagEntry {
-        ui32 Tag = 0; 
-        ui64 RootSchemeShard = 0; 
+        ui32 Tag = 0;
+        ui64 RootSchemeShard = 0;
         TString Name;
 
-        explicit TTagEntry(ui32 tag, ui64 rootSchemeShard, const TString& name) 
+        explicit TTagEntry(ui32 tag, ui64 rootSchemeShard, const TString& name)
             : Tag(tag)
             , RootSchemeShard(rootSchemeShard)
             , Name(name)
         {}
     };
 
-    TSchemeCacheConfig() = default; 
-    explicit TSchemeCacheConfig(const TAppData* appData, NMonitoring::TDynamicCounterPtr counters); 
- 
+    TSchemeCacheConfig() = default;
+    explicit TSchemeCacheConfig(const TAppData* appData, NMonitoring::TDynamicCounterPtr counters);
+
     TVector<TTagEntry> Roots;
     NMonitoring::TDynamicCounterPtr Counters;
 };
@@ -43,61 +43,61 @@ struct TSchemeCacheConfig : public TThrRefBase {
 struct TDomainInfo : public TAtomicRefCount<TDomainInfo> {
     using TPtr = TIntrusivePtr<TDomainInfo>;
 
-    explicit TDomainInfo(const TPathId& domainKey, const TPathId& resourcesDomainKey) 
+    explicit TDomainInfo(const TPathId& domainKey, const TPathId& resourcesDomainKey)
         : DomainKey(domainKey)
-        , ResourcesDomainKey(resourcesDomainKey) 
+        , ResourcesDomainKey(resourcesDomainKey)
         , Coordinators(TVector<ui64>{})
     {}
 
-    explicit TDomainInfo(const NKikimrSubDomains::TDomainDescription& descr) 
-        : DomainKey(GetDomainKey(descr.GetDomainKey())) 
+    explicit TDomainInfo(const NKikimrSubDomains::TDomainDescription& descr)
+        : DomainKey(GetDomainKey(descr.GetDomainKey()))
         , Params(descr.GetProcessingParams())
         , Coordinators(descr.GetProcessingParams())
-    { 
-        if (descr.HasResourcesDomainKey()) { 
-            ResourcesDomainKey = GetDomainKey(descr.GetResourcesDomainKey()); 
-        } else { 
-            ResourcesDomainKey = DomainKey; 
-        } 
-    } 
-
-    inline ui64 GetVersion() const { 
+    {
+        if (descr.HasResourcesDomainKey()) {
+            ResourcesDomainKey = GetDomainKey(descr.GetResourcesDomainKey());
+        } else {
+            ResourcesDomainKey = DomainKey;
+        }
+    }
+
+    inline ui64 GetVersion() const {
         return Params.GetVersion();
     }
 
-    inline ui64 ExtractSchemeShard() const { 
-        if (Params.HasSchemeShard()) { 
-            return Params.GetSchemeShard(); 
-        } else { 
-            return DomainKey.OwnerId; 
-        } 
-    } 
- 
-    TPathId DomainKey; 
-    TPathId ResourcesDomainKey; 
+    inline ui64 ExtractSchemeShard() const {
+        if (Params.HasSchemeShard()) {
+            return Params.GetSchemeShard();
+        } else {
+            return DomainKey.OwnerId;
+        }
+    }
+
+    TPathId DomainKey;
+    TPathId ResourcesDomainKey;
     NKikimrSubDomains::TProcessingParams Params;
     TCoordinators Coordinators;
- 
-    TString ToString() const; 
- 
-private: 
-    inline static TPathId GetDomainKey(const NKikimrSubDomains::TDomainKey& protoKey) { 
-        return TPathId(protoKey.GetSchemeShard(), protoKey.GetPathId()); 
-    } 
-
-}; // TDomainInfo 
- 
+
+    TString ToString() const;
+
+private:
+    inline static TPathId GetDomainKey(const NKikimrSubDomains::TDomainKey& protoKey) {
+        return TPathId(protoKey.GetSchemeShard(), protoKey.GetPathId());
+    }
+
+}; // TDomainInfo
+
 struct TSchemeCacheNavigate {
     enum class EStatus {
-        Unknown = 0, 
-        RootUnknown = 1, 
-        PathErrorUnknown = 2, 
-        PathNotTable = 3, 
-        PathNotPath = 4, 
-        TableCreationNotComplete = 5, 
-        LookupError = 6, 
-        RedirectLookupError = 7, 
-        Ok = 128, 
+        Unknown = 0,
+        RootUnknown = 1,
+        PathErrorUnknown = 2,
+        PathNotTable = 3,
+        PathNotPath = 4,
+        TableCreationNotComplete = 5,
+        LookupError = 6,
+        RedirectLookupError = 7,
+        Ok = 128,
     };
 
     enum EOp {
@@ -121,27 +121,27 @@ struct TSchemeCacheNavigate {
         KindIndex = 10,
         KindOlapStore = 11,
         KindOlapTable = 12,
-        KindCdcStream = 13, 
+        KindCdcStream = 13,
         KindSequence = 14,
-        KindReplication = 15, 
+        KindReplication = 15,
     };
 
     struct TListNodeEntry : public TAtomicRefCount<TListNodeEntry> {
         struct TChild {
             const TString Name;
-            const TPathId PathId; 
+            const TPathId PathId;
             const ui64 SchemaVersion;
             const EKind Kind;
- 
-            explicit TChild(const TString& name, const TPathId& pathId, EKind kind, ui64 schemaVersion = 0) 
-                : Name(name) 
+
+            explicit TChild(const TString& name, const TPathId& pathId, EKind kind, ui64 schemaVersion = 0)
+                : Name(name)
                 , PathId(pathId)
-                , SchemaVersion(schemaVersion) 
-                , Kind(kind) 
-            {} 
+                , SchemaVersion(schemaVersion)
+                , Kind(kind)
+            {}
         };
- 
-        EKind Kind = KindUnknown; 
+
+        EKind Kind = KindUnknown;
         TVector<TChild> Children;
     };
 
@@ -185,80 +185,80 @@ struct TSchemeCacheNavigate {
         TTableId OlapStoreId;
     };
 
-    struct TCdcStreamInfo : public TAtomicRefCount<TCdcStreamInfo> { 
-        EKind Kind = KindUnknown; 
+    struct TCdcStreamInfo : public TAtomicRefCount<TCdcStreamInfo> {
+        EKind Kind = KindUnknown;
         NKikimrSchemeOp::TCdcStreamDescription Description;
-        TPathId PathId; 
-    }; 
- 
+        TPathId PathId;
+    };
+
     struct TSequenceInfo : public TAtomicRefCount<TSequenceInfo> {
         EKind Kind = KindUnknown;
         NKikimrSchemeOp::TSequenceDescription Description;
     };
 
-    struct TReplicationInfo : public TAtomicRefCount<TReplicationInfo> { 
-        EKind Kind = KindUnknown; 
-        NKikimrSchemeOp::TReplicationDescription Description; 
-    }; 
- 
+    struct TReplicationInfo : public TAtomicRefCount<TReplicationInfo> {
+        EKind Kind = KindUnknown;
+        NKikimrSchemeOp::TReplicationDescription Description;
+    };
+
     struct TEntry {
         enum class ERequestType : ui8 {
             ByPath,
             ByTableId
         };
- 
-        // in 
-        TVector<TString> Path; 
-        TTableId TableId; 
+
+        // in
+        TVector<TString> Path;
+        TTableId TableId;
         ERequestType RequestType = ERequestType::ByPath;
-        EOp Operation = OpUnknown; 
+        EOp Operation = OpUnknown;
         bool RedirectRequired = true;
-        bool ShowPrivatePath = false; 
-        bool SyncVersion = false; 
+        bool ShowPrivatePath = false;
+        bool SyncVersion = false;
 
-        // out 
+        // out
         EStatus Status = EStatus::Unknown;
-        EKind Kind = KindUnknown; 
-        ui64 CreateStep = 0; 
+        EKind Kind = KindUnknown;
+        ui64 CreateStep = 0;
 
-        // common 
-        TIntrusivePtr<TDomainInfo> DomainInfo; 
-        TIntrusivePtr<TSecurityObject> SecurityObject; 
-        TIntrusiveConstPtr<TDirEntryInfo> Self; 
-        TIntrusiveConstPtr<TListNodeEntry> ListNodeEntry; 
+        // common
+        TIntrusivePtr<TDomainInfo> DomainInfo;
+        TIntrusivePtr<TSecurityObject> SecurityObject;
+        TIntrusiveConstPtr<TDirEntryInfo> Self;
+        TIntrusiveConstPtr<TListNodeEntry> ListNodeEntry;
 
-        // table specific 
-        THashMap<TString, TString> Attributes; 
+        // table specific
+        THashMap<TString, TString> Attributes;
         THashMap<ui32, TSysTables::TTableColumnInfo> Columns;
         THashSet<TString> NotNullColumns;
         TVector<NKikimrSchemeOp::TIndexDescription> Indexes;
         TVector<NKikimrSchemeOp::TCdcStreamDescription> CdcStreams;
 
-        // other 
+        // other
         TIntrusiveConstPtr<TDomainDescription> DomainDescription;
         TIntrusiveConstPtr<TPQGroupInfo> PQGroupInfo;
         TIntrusiveConstPtr<TRtmrVolumeInfo> RTMRVolumeInfo;
         TIntrusiveConstPtr<TKesusInfo> KesusInfo;
-        TIntrusiveConstPtr<TSolomonVolumeInfo> SolomonVolumeInfo; 
+        TIntrusiveConstPtr<TSolomonVolumeInfo> SolomonVolumeInfo;
         TIntrusiveConstPtr<TOlapStoreInfo> OlapStoreInfo;
         TIntrusiveConstPtr<TOlapTableInfo> OlapTableInfo;
-        TIntrusiveConstPtr<TCdcStreamInfo> CdcStreamInfo; 
+        TIntrusiveConstPtr<TCdcStreamInfo> CdcStreamInfo;
         TIntrusiveConstPtr<TSequenceInfo> SequenceInfo;
-        TIntrusiveConstPtr<TReplicationInfo> ReplicationInfo; 
+        TIntrusiveConstPtr<TReplicationInfo> ReplicationInfo;
 
-        TString ToString() const; 
-        TString ToString(const NScheme::TTypeRegistry& typeRegistry) const; 
+        TString ToString() const;
+        TString ToString(const NScheme::TTypeRegistry& typeRegistry) const;
     };
 
     using TResultSet = TVector<TEntry>;
 
     TResultSet ResultSet;
-    TAutoPtr<const NACLib::TUserToken> UserToken; 
-    TString DatabaseName; 
-    ui64 DomainOwnerId = 0; 
-    ui64 ErrorCount = 0; 
-    const ui64 Instant; // deprecated, used by pq 
- 
+    TAutoPtr<const NACLib::TUserToken> UserToken;
+    TString DatabaseName;
+    ui64 DomainOwnerId = 0;
+    ui64 ErrorCount = 0;
+    const ui64 Instant; // deprecated, used by pq
+
     TSchemeCacheNavigate()
         : Instant(0)
     {}
@@ -267,20 +267,20 @@ struct TSchemeCacheNavigate {
         : Instant(instant)
     {}
 
-    TString ToString(const NScheme::TTypeRegistry& typeRegistry) const; 
- 
-}; // TSchemeCacheNavigate 
- 
+    TString ToString(const NScheme::TTypeRegistry& typeRegistry) const;
+
+}; // TSchemeCacheNavigate
+
 struct TSchemeCacheRequest {
     enum class EStatus {
-        Unknown = 0, 
-        TypeCheckError = 1, 
-        NotMaterialized = 2, 
-        PathErrorUnknown = 3, 
-        PathErrorNotExist = 4, 
-        LookupError = 5, 
-        OkScheme = 128, 
-        OkData = 129, 
+        Unknown = 0,
+        TypeCheckError = 1,
+        NotMaterialized = 2,
+        PathErrorUnknown = 3,
+        PathErrorNotExist = 4,
+        LookupError = 5,
+        OkScheme = 128,
+        OkData = 129,
     };
 
     enum EOp {
@@ -290,74 +290,74 @@ struct TSchemeCacheRequest {
         OpScheme = 1 << 3,
     };
 
-    enum EKind { 
-        KindUnknown = 0, 
-        KindRegularTable = 1, 
-        KindSyncIndexTable = 2, 
-        KindAsyncIndexTable= 3, 
-    }; 
- 
+    enum EKind {
+        KindUnknown = 0,
+        KindRegularTable = 1,
+        KindSyncIndexTable = 2,
+        KindAsyncIndexTable= 3,
+    };
+
     struct TEntry {
-        // in 
+        // in
         THolder<TKeyDesc> KeyDescription;
-        ui32 Access = 0; 
+        ui32 Access = 0;
         uintptr_t UserData = 0;
-        bool SyncVersion = false; 
- 
-        // out 
-        EStatus Status = EStatus::Unknown; 
-        EKind Kind = EKind::KindUnknown; 
-        TIntrusivePtr<TDomainInfo> DomainInfo; 
-
-        explicit TEntry(THolder<TKeyDesc> keyDesc) 
-            : KeyDescription(std::move(keyDesc)) 
+        bool SyncVersion = false;
+
+        // out
+        EStatus Status = EStatus::Unknown;
+        EKind Kind = EKind::KindUnknown;
+        TIntrusivePtr<TDomainInfo> DomainInfo;
+
+        explicit TEntry(THolder<TKeyDesc> keyDesc)
+            : KeyDescription(std::move(keyDesc))
         {
             Y_VERIFY_DEBUG(KeyDescription);
         }
 
-        TEntry(TKeyDesc* keyDesc) = delete; 
+        TEntry(TKeyDesc* keyDesc) = delete;
 
-        TString ToString() const; 
-        TString ToString(const NScheme::TTypeRegistry& typeRegistry) const; 
+        TString ToString() const;
+        TString ToString(const NScheme::TTypeRegistry& typeRegistry) const;
     };
 
     using TResultSet = TVector<TEntry>;
 
     TResultSet ResultSet;
-    TAutoPtr<const NACLib::TUserToken> UserToken; 
-    TString DatabaseName; 
-    ui64 DomainOwnerId = 0; 
-    ui64 ErrorCount = 0; 
- 
-    TString ToString(const NScheme::TTypeRegistry& typeRegistry) const; 
-
-}; // TSchemeCacheRequest 
- 
-struct TSchemeCacheRequestContext : TAtomicRefCount<TSchemeCacheRequestContext>, TNonCopyable { 
+    TAutoPtr<const NACLib::TUserToken> UserToken;
+    TString DatabaseName;
+    ui64 DomainOwnerId = 0;
+    ui64 ErrorCount = 0;
+
+    TString ToString(const NScheme::TTypeRegistry& typeRegistry) const;
+
+}; // TSchemeCacheRequest
+
+struct TSchemeCacheRequestContext : TAtomicRefCount<TSchemeCacheRequestContext>, TNonCopyable {
     TActorId Sender;
     ui64 WaitCounter;
-    TAutoPtr<TSchemeCacheRequest> Request; 
-    const TInstant CreatedAt; 
+    TAutoPtr<TSchemeCacheRequest> Request;
+    const TInstant CreatedAt;
 
-    TSchemeCacheRequestContext(const TActorId& sender, TAutoPtr<TSchemeCacheRequest> request, const TInstant& now = TInstant::Now()) 
+    TSchemeCacheRequestContext(const TActorId& sender, TAutoPtr<TSchemeCacheRequest> request, const TInstant& now = TInstant::Now())
         : Sender(sender)
         , WaitCounter(0)
         , Request(request)
-        , CreatedAt(now) 
+        , CreatedAt(now)
     {}
 };
 
-struct TSchemeCacheNavigateContext : TAtomicRefCount<TSchemeCacheNavigateContext>, TNonCopyable { 
+struct TSchemeCacheNavigateContext : TAtomicRefCount<TSchemeCacheNavigateContext>, TNonCopyable {
     TActorId Sender;
     ui64 WaitCounter;
-    TAutoPtr<TSchemeCacheNavigate> Request; 
-    const TInstant CreatedAt; 
+    TAutoPtr<TSchemeCacheNavigate> Request;
+    const TInstant CreatedAt;
 
-    TSchemeCacheNavigateContext(const TActorId& sender, TAutoPtr<TSchemeCacheNavigate> request, const TInstant& now = TInstant::Now()) 
+    TSchemeCacheNavigateContext(const TActorId& sender, TAutoPtr<TSchemeCacheNavigate> request, const TInstant& now = TInstant::Now())
         : Sender(sender)
         , WaitCounter(0)
         , Request(request)
-        , CreatedAt(now) 
+        , CreatedAt(now)
     {}
 };
 
@@ -397,12 +397,12 @@ public:
     }
 };
 
-} // NSchemeCache 
+} // NSchemeCache
 
 struct TEvTxProxySchemeCache {
     enum EEv {
-        EvResolveKeySet = EventSpaceBegin(TKikimrEvents::ES_SCHEME_CACHE), 
-        EvInvalidateDistEntry, // unused 
+        EvResolveKeySet = EventSpaceBegin(TKikimrEvents::ES_SCHEME_CACHE),
+        EvInvalidateDistEntry, // unused
         EvResolveKeySetResult,
         EvNavigateKeySet,
         EvNavigateKeySetResult,
@@ -417,33 +417,33 @@ struct TEvTxProxySchemeCache {
         EvEnd,
     };
 
-    static_assert(EvEnd < EventSpaceEnd(TKikimrEvents::ES_SCHEME_CACHE), "expect EvEnd < EventSpaceEnd(ES_SCHEME_CACHE)"); 
+    static_assert(EvEnd < EventSpaceEnd(TKikimrEvents::ES_SCHEME_CACHE), "expect EvEnd < EventSpaceEnd(ES_SCHEME_CACHE)");
 
-private: 
-    template <typename TDerived, ui32 EventType, typename TRequest> 
-    struct TEvBasic : public TEventLocal<TDerived, EventType> { 
-        TAutoPtr<TRequest> Request; 
+private:
+    template <typename TDerived, ui32 EventType, typename TRequest>
+    struct TEvBasic : public TEventLocal<TDerived, EventType> {
+        TAutoPtr<TRequest> Request;
 
-        TEvBasic(TAutoPtr<TRequest> request) 
+        TEvBasic(TAutoPtr<TRequest> request)
             : Request(request)
         {}
     };
 
-public: 
-    struct TEvResolveKeySet : public TEvBasic<TEvResolveKeySet, EvResolveKeySet, NSchemeCache::TSchemeCacheRequest> { 
-        using TEvBasic::TEvBasic; 
-    }; 
+public:
+    struct TEvResolveKeySet : public TEvBasic<TEvResolveKeySet, EvResolveKeySet, NSchemeCache::TSchemeCacheRequest> {
+        using TEvBasic::TEvBasic;
+    };
 
-    struct TEvResolveKeySetResult : public TEvBasic<TEvResolveKeySetResult, EvResolveKeySetResult, NSchemeCache::TSchemeCacheRequest> { 
-        using TEvBasic::TEvBasic; 
+    struct TEvResolveKeySetResult : public TEvBasic<TEvResolveKeySetResult, EvResolveKeySetResult, NSchemeCache::TSchemeCacheRequest> {
+        using TEvBasic::TEvBasic;
     };
 
-    struct TEvNavigateKeySet : public TEvBasic<TEvNavigateKeySet, EvNavigateKeySet, NSchemeCache::TSchemeCacheNavigate> { 
-        using TEvBasic::TEvBasic; 
+    struct TEvNavigateKeySet : public TEvBasic<TEvNavigateKeySet, EvNavigateKeySet, NSchemeCache::TSchemeCacheNavigate> {
+        using TEvBasic::TEvBasic;
     };
 
     struct TEvNavigateKeySetResult : public TEvBasic<TEvNavigateKeySetResult, EvNavigateKeySetResult, NSchemeCache::TSchemeCacheNavigate> {
-        using TEvBasic::TEvBasic; 
+        using TEvBasic::TEvBasic;
     };
 
     struct TEvInvalidateTable : public TEventLocal<TEvInvalidateTable, EvInvalidateTable> {
@@ -483,14 +483,14 @@ public:
     };
 
     struct TEvWatchNotifyUpdated : public TEventLocal<TEvWatchNotifyUpdated, EvWatchNotifyUpdated> {
-        using TDescribeResult = NSchemeCache::TDescribeResult; 
- 
+        using TDescribeResult = NSchemeCache::TDescribeResult;
+
         const ui64 Key;
         const TString Path;
         const TPathId PathId;
-        TDescribeResult::TCPtr Result; 
+        TDescribeResult::TCPtr Result;
 
-        TEvWatchNotifyUpdated(ui64 key, const TString& path, const TPathId& pathId, TDescribeResult::TCPtr result) 
+        TEvWatchNotifyUpdated(ui64 key, const TString& path, const TPathId& pathId, TDescribeResult::TCPtr result)
             : Key(key)
             , Path(path)
             , PathId(pathId)
@@ -527,4 +527,4 @@ inline TActorId MakeSchemeCacheID() {
     return TActorId(0, TStringBuf("SchmCcheSrv"));
 }
 
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/scheme_cache/ya.make b/ydb/core/tx/scheme_cache/ya.make
index 1d5f45d4c9..c9ead108c0 100644
--- a/ydb/core/tx/scheme_cache/ya.make
+++ b/ydb/core/tx/scheme_cache/ya.make
@@ -17,8 +17,8 @@ SRCS(
     scheme_cache.cpp
 )
 
-GENERATE_ENUM_SERIALIZATION(scheme_cache.h) 
- 
-YQL_LAST_ABI_VERSION() 
- 
+GENERATE_ENUM_SERIALIZATION(scheme_cache.h)
+
+YQL_LAST_ABI_VERSION()
+
 END()
diff --git a/ydb/core/tx/schemeshard/schemeshard.cpp b/ydb/core/tx/schemeshard/schemeshard.cpp
index d61c953caf..24b73f590c 100644
--- a/ydb/core/tx/schemeshard/schemeshard.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard.cpp
@@ -10,7 +10,7 @@ namespace NSchemeShard {
         TString owner, TString effectiveRootACL, ui64 effectiveRootACLVersion,
         const NKikimrSubDomains::TProcessingParams &processingParams, const TStoragePools &storagePools,
         const TMap<TString, TString> userAttrData, ui64 UserAttrsVersion, const NSchemeShard::TSchemeLimits &limits,
-        ui64 sharedHive, const TPathId& resourcesDomainId) 
+        ui64 sharedHive, const TPathId& resourcesDomainId)
     {
         Record.SetDomainSchemeShard(selfTabletId);
         Record.SetDomainPathId(pathId);
@@ -33,15 +33,15 @@ namespace NSchemeShard {
         Record.SetUserAttributesVersion(UserAttrsVersion);
 
         *Record.MutableSchemeLimits() = limits.AsProto();
- 
-        if (sharedHive != ui64(InvalidTabletId)) { 
-            Record.SetSharedHive(sharedHive); 
-        } 
- 
-        if (resourcesDomainId) { 
-            Record.SetResourcesDomainOwnerId(resourcesDomainId.OwnerId); 
-            Record.SetResourcesDomainPathId(resourcesDomainId.LocalPathId); 
-        } 
+
+        if (sharedHive != ui64(InvalidTabletId)) {
+            Record.SetSharedHive(sharedHive);
+        }
+
+        if (resourcesDomainId) {
+            Record.SetResourcesDomainOwnerId(resourcesDomainId.OwnerId);
+            Record.SetResourcesDomainPathId(resourcesDomainId.LocalPathId);
+        }
     }
 }
 
diff --git a/ydb/core/tx/schemeshard/schemeshard.h b/ydb/core/tx/schemeshard/schemeshard.h
index e80254c4c0..d33173508c 100644
--- a/ydb/core/tx/schemeshard/schemeshard.h
+++ b/ydb/core/tx/schemeshard/schemeshard.h
@@ -58,8 +58,8 @@ struct TEvSchemeShard {
 
         EvBackupDatashard = EvModifySchemeTransaction + 6 * 512,
         EvBackupDatashardResult,
-        EvCancelTx, 
-        EvCancelTxResult, 
+        EvCancelTx,
+        EvCancelTxResult,
 
         EvEnd
     };
@@ -92,21 +92,21 @@ struct TEvSchemeShard {
         }
     };
 
-    struct TEvCancelTx 
-        : public TEventPB<TEvCancelTx, 
+    struct TEvCancelTx
+        : public TEventPB<TEvCancelTx,
                           NKikimrScheme::TEvCancelTx,
-                          EvCancelTx> 
+                          EvCancelTx>
     {
     };
 
-    struct TEvCancelTxResult: 
-        public TEventPB<TEvCancelTxResult, 
+    struct TEvCancelTxResult:
+        public TEventPB<TEvCancelTxResult,
                         NKikimrScheme::TEvCancelTxResult,
-                        EvCancelTxResult> 
+                        EvCancelTxResult>
     {
-        TEvCancelTxResult() = default; 
-        TEvCancelTxResult(ui64 targetTxId, ui64 txId) { 
-            Record.SetTargetTxId(targetTxId); 
+        TEvCancelTxResult() = default;
+        TEvCancelTxResult(ui64 targetTxId, ui64 txId) {
+            Record.SetTargetTxId(targetTxId);
             Record.SetTxId(txId);
         }
     };
@@ -316,7 +316,7 @@ struct TEvSchemeShard {
                                  const NKikimrSubDomains::TProcessingParams& processingParams,
                                  const TStoragePools& storagePools,
                                  const TMap<TString, TString> userAttrData, ui64 UserAttrsVersion,
-                                 const TSchemeLimits& limits, ui64 sharedHive, const TPathId& resourcesDomainId = TPathId()); 
+                                 const TSchemeLimits& limits, ui64 sharedHive, const TPathId& resourcesDomainId = TPathId());
     };
 
     struct TEvInitTenantSchemeShardResult: public TEventPB<TEvInitTenantSchemeShardResult,
diff --git a/ydb/core/tx/schemeshard/schemeshard__conditional_erase.cpp b/ydb/core/tx/schemeshard/schemeshard__conditional_erase.cpp
index 37e9787a98..d804955b69 100644
--- a/ydb/core/tx/schemeshard/schemeshard__conditional_erase.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__conditional_erase.cpp
@@ -1,471 +1,471 @@
-#include "schemeshard_impl.h" 
- 
-#include <util/string/join.h> 
- 
-namespace NKikimr { 
+#include "schemeshard_impl.h"
+
+#include <util/string/join.h>
+
+namespace NKikimr {
 namespace NSchemeShard {
- 
-using namespace NTabletFlatExecutor; 
- 
+
+using namespace NTabletFlatExecutor;
+
 struct TSchemeShard::TTxRunConditionalErase: public TSchemeShard::TRwTxBase {
-    TTableInfo::TPtr TableInfo; 
-    THashMap<TTabletId, NKikimrTxDataShard::TEvConditionalEraseRowsRequest> RunOnTablets; 
- 
-    TTxRunConditionalErase(TSelf *self, TEvPrivate::TEvRunConditionalErase::TPtr& ev) 
-        : TRwTxBase(self) 
-        , TableInfo(nullptr) 
-    { 
-        Y_UNUSED(ev); 
-    } 
- 
-    TTxRunConditionalErase(TSelf *self, TTableInfo::TPtr tableInfo) 
-        : TRwTxBase(self) 
-        , TableInfo(tableInfo) 
-    { 
-    } 
- 
-    TTxType GetTxType() const override { 
-        return TXTYPE_RUN_CONDITIONAL_ERASE; 
-    } 
- 
-    void DoExecute(TTransactionContext&, const TActorContext& ctx) override { 
-        LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "TTxRunConditionalErase DoExecute" 
-            << ": at schemeshard: " << Self->TabletID()); 
- 
-        if (!Self->AllowConditionalEraseOperations) { 
-            LOG_NOTICE_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "Conditional erase operations are not allowed" 
-                << ", skip TTxRunConditionalErase" 
-                << ": at schemeshard: " << Self->TabletID()); 
-            return; 
-        } 
- 
-        if (!TableInfo) { 
-            for (const auto& [_, tableInfo] : Self->TTLEnabledTables) { 
-                DoExecuteOnTable(tableInfo, ctx); 
-            } 
-        } else { 
-            DoExecuteOnTable(TableInfo, ctx); 
-        } 
-    } 
- 
-    void DoExecuteOnTable(TTableInfo::TPtr tableInfo, const TActorContext& ctx) { 
-        if (!tableInfo->IsTTLEnabled()) { 
-            LOG_ERROR_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "TTL is not enabled for table #P1" 
-                << ", at schemeshard: " << Self->TabletID()); 
-            return; 
-        } 
- 
-        const auto& partitions = tableInfo->GetPartitions(); 
-        const auto& shardToPartition = tableInfo->GetShard2PartitionIdx(); 
-        THashSet<TShardIdx> reschedule; 
- 
-        for (const auto& shardIdx : tableInfo->GetInFlightCondErase()) { 
-            Y_VERIFY(shardToPartition.contains(shardIdx)); 
-            const ui64 partitionIdx = shardToPartition.at(shardIdx); 
- 
-            Y_VERIFY(partitionIdx < partitions.size()); 
-            const auto& tableShardInfo = partitions.at(partitionIdx); 
- 
-            if (!DoExecuteOnShard(tableInfo, tableShardInfo, ctx)) { 
-                reschedule.insert(shardIdx); 
-            } 
-        } 
- 
-        for (const auto& shardIdx : reschedule) { 
-            tableInfo->RescheduleCondErase(shardIdx); 
-        } 
- 
-        const auto& sysSettings = tableInfo->TTLSettings().GetEnabled().GetSysSettings(); 
-        const auto maxInFlight = sysSettings.GetMaxShardsInFlight(); 
- 
-        while (true) { 
-            if (maxInFlight && tableInfo->GetInFlightCondErase().size() >= maxInFlight) { 
-                break; 
-            } 
- 
-            const auto* tableShardInfo = tableInfo->GetScheduledCondEraseShard(); 
-            if (!tableShardInfo) { 
-                break; 
-            } 
- 
-            if (!DoExecuteOnShard(tableInfo, *tableShardInfo, ctx)) { 
-                break; 
-            } 
- 
-            tableInfo->AddInFlightCondErase(tableShardInfo->ShardIdx); 
-        } 
-    } 
- 
-    bool DoExecuteOnShard(TTableInfo::TPtr tableInfo, const TTableShardInfo& tableShardInfo, const TActorContext& ctx) { 
-        if (tableShardInfo.NextCondErase > ctx.Now()) { 
-            LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "Skip conditional erase" 
-                << ": shardIdx: " << tableShardInfo.ShardIdx 
-                << ", run at: " << tableShardInfo.NextCondErase 
-                << ", at schemeshard: " << Self->TabletID()); 
-            return false; 
-        } 
- 
-        if (!Self->ShardInfos.contains(tableShardInfo.ShardIdx)) { 
-            LOG_WARN_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "Unable to resolve shard info" 
-                << ": shardIdx: " << tableShardInfo.ShardIdx 
-                << ", at schemeshard: " << Self->TabletID()); 
-            return false; 
-        } 
- 
-        const TShardInfo& shardInfo = Self->ShardInfos.at(tableShardInfo.ShardIdx); 
-        if (!Self->PathsById.contains(shardInfo.PathId)) { 
-            LOG_ERROR_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "Unable to resolve path" 
-                << ": shardIdx: " << tableShardInfo.ShardIdx 
-                << ": pathId: " << shardInfo.PathId 
-                << ", at schemeshard: " << Self->TabletID()); 
-            return false; 
-        } 
- 
-        auto path = Self->PathsById.at(shardInfo.PathId); 
-        if (path->Dropped()) { 
-            LOG_WARN_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "Table is dropped" 
-                << ": shardIdx: " << tableShardInfo.ShardIdx 
-                << ": pathId: " << shardInfo.PathId 
-                << ", at schemeshard: " << Self->TabletID()); 
-            return false; 
-        } 
- 
-        if (!Self->Tables.contains(shardInfo.PathId)) { 
-            LOG_WARN_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "Unable to resolve table" 
-                << ": shardIdx: " << tableShardInfo.ShardIdx 
-                << ": pathId: " << shardInfo.PathId 
-                << ", at schemeshard: " << Self->TabletID()); 
-            return false; 
-        } 
- 
-        const auto& settings = tableInfo->TTLSettings().GetEnabled(); 
-        const TDuration expireAfter = TDuration::Seconds(settings.GetExpireAfterSeconds()); 
-        const TInstant wallClock = ctx.Now() - expireAfter; 
- 
-        NKikimrTxDataShard::TEvConditionalEraseRowsRequest request; 
-        request.SetTableId(shardInfo.PathId.LocalPathId); 
-        request.SetSchemaVersion(tableInfo->AlterVersion); 
- 
-        for (const auto& [indexId, columnIds]: MakeIndexes(shardInfo.PathId)) { 
-            auto& index = *request.MutableIndexes()->Add(); 
- 
-            index.SetOwnerId(indexId.PathId.OwnerId); 
-            index.SetPathId(indexId.PathId.LocalPathId); 
-            index.SetSchemaVersion(indexId.SchemaVersion); 
- 
-            for (const auto& [indexColumnId, mainColumnId] : columnIds) { 
-                auto& keyMap = *index.MutableKeyMap()->Add(); 
-                keyMap.SetIndexColumnId(indexColumnId); 
-                keyMap.SetMainColumnId(mainColumnId); 
-            } 
-        } 
- 
-        request.MutableExpiration()->SetColumnId(tableInfo->GetTTLColumnId()); 
-        request.MutableExpiration()->SetWallClockTimestamp(wallClock.GetValue()); 
-        request.MutableExpiration()->SetColumnUnit(settings.GetColumnUnit()); 
- 
-        const auto& sysSettings = settings.GetSysSettings(); 
-        request.MutableLimits()->SetBatchMaxBytes(sysSettings.GetBatchMaxBytes()); 
-        request.MutableLimits()->SetBatchMinKeys(sysSettings.GetBatchMinKeys()); 
-        request.MutableLimits()->SetBatchMaxKeys(sysSettings.GetBatchMaxKeys()); 
- 
-        RunOnTablets.emplace(shardInfo.TabletID, std::move(request)); 
- 
-        return true; 
-    } 
- 
-    void DoComplete(const TActorContext& ctx) override { 
-        LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "TTxRunConditionalErase DoComplete" 
-            << ": at schemeshard: " << Self->TabletID()); 
- 
-        for (auto& kv : RunOnTablets) { 
-            const auto& tabletId = kv.first; 
-            auto& request = kv.second; 
- 
-            auto ev = MakeHolder<TEvDataShard::TEvConditionalEraseRowsRequest>(); 
-            ev->Record = std::move(request); 
- 
-            LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "Run conditional erase" 
-                << ", tabletId: " << tabletId 
-                << ", request: " << ev->Record.ShortDebugString() 
-                << ", at schemeshard: " << Self->TabletID()); 
-            Self->PipeClientCache->Send(ctx, ui64(tabletId), ev.Release()); 
-        } 
- 
-        if (!TableInfo) { 
-            Self->ScheduleConditionalEraseRun(ctx); 
-        } 
-    } 
- 
-private: 
-    THashMap<TTableId, TVector<std::pair<ui32, ui32>>> MakeIndexes(const TPathId& mainPathId) const { 
-        THashMap<TTableId, TVector<std::pair<ui32, ui32>>> result; 
- 
-        Y_VERIFY(Self->PathsById.contains(mainPathId)); 
-        auto mainPath = Self->PathsById.at(mainPathId); 
- 
-        Y_VERIFY(Self->Tables.contains(mainPathId)); 
-        auto mainTable = Self->Tables.at(mainPathId); 
- 
-        for (const auto& [_, childPathId] : mainPath->GetChildren()) { 
-            Y_VERIFY(Self->PathsById.contains(childPathId)); 
-            auto childPath = Self->PathsById.at(childPathId); 
- 
-            if (!childPath->IsTableIndex() || childPath->Dropped()) { 
-                continue; 
-            } 
- 
-            auto index = GetIndex(childPath); 
-            if (index->Type == NKikimrSchemeOp::EIndexTypeGlobalAsync) { 
-                continue; 
-            } 
- 
-            auto [indexImplTableId, indexImplTable] = GetIndexImplTable(childPath); 
- 
-            auto ret = result.emplace( 
-                TTableId(indexImplTableId, indexImplTable->AlterVersion), 
-                MakeColumnIds(mainTable, index, indexImplTable) 
-            ); 
-            Y_VERIFY(ret.second); 
-        } 
- 
-        return result; 
-    } 
- 
-    TTableIndexInfo::TPtr GetIndex(TPathElement::TPtr indexPath) const { 
-        Y_VERIFY(Self->Indexes.contains(indexPath->PathId)); 
-        return Self->Indexes.at(indexPath->PathId); 
-    } 
- 
-    std::pair<TPathId, TTableInfo::TPtr> GetIndexImplTable(TPathElement::TPtr indexPath) const { 
-        Y_VERIFY(indexPath->GetChildren().size() == 1); 
- 
-        for (const auto& [_, indexImplPathId] : indexPath->GetChildren()) { 
+    TTableInfo::TPtr TableInfo;
+    THashMap<TTabletId, NKikimrTxDataShard::TEvConditionalEraseRowsRequest> RunOnTablets;
+
+    TTxRunConditionalErase(TSelf *self, TEvPrivate::TEvRunConditionalErase::TPtr& ev)
+        : TRwTxBase(self)
+        , TableInfo(nullptr)
+    {
+        Y_UNUSED(ev);
+    }
+
+    TTxRunConditionalErase(TSelf *self, TTableInfo::TPtr tableInfo)
+        : TRwTxBase(self)
+        , TableInfo(tableInfo)
+    {
+    }
+
+    TTxType GetTxType() const override {
+        return TXTYPE_RUN_CONDITIONAL_ERASE;
+    }
+
+    void DoExecute(TTransactionContext&, const TActorContext& ctx) override {
+        LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "TTxRunConditionalErase DoExecute"
+            << ": at schemeshard: " << Self->TabletID());
+
+        if (!Self->AllowConditionalEraseOperations) {
+            LOG_NOTICE_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "Conditional erase operations are not allowed"
+                << ", skip TTxRunConditionalErase"
+                << ": at schemeshard: " << Self->TabletID());
+            return;
+        }
+
+        if (!TableInfo) {
+            for (const auto& [_, tableInfo] : Self->TTLEnabledTables) {
+                DoExecuteOnTable(tableInfo, ctx);
+            }
+        } else {
+            DoExecuteOnTable(TableInfo, ctx);
+        }
+    }
+
+    void DoExecuteOnTable(TTableInfo::TPtr tableInfo, const TActorContext& ctx) {
+        if (!tableInfo->IsTTLEnabled()) {
+            LOG_ERROR_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "TTL is not enabled for table #P1"
+                << ", at schemeshard: " << Self->TabletID());
+            return;
+        }
+
+        const auto& partitions = tableInfo->GetPartitions();
+        const auto& shardToPartition = tableInfo->GetShard2PartitionIdx();
+        THashSet<TShardIdx> reschedule;
+
+        for (const auto& shardIdx : tableInfo->GetInFlightCondErase()) {
+            Y_VERIFY(shardToPartition.contains(shardIdx));
+            const ui64 partitionIdx = shardToPartition.at(shardIdx);
+
+            Y_VERIFY(partitionIdx < partitions.size());
+            const auto& tableShardInfo = partitions.at(partitionIdx);
+
+            if (!DoExecuteOnShard(tableInfo, tableShardInfo, ctx)) {
+                reschedule.insert(shardIdx);
+            }
+        }
+
+        for (const auto& shardIdx : reschedule) {
+            tableInfo->RescheduleCondErase(shardIdx);
+        }
+
+        const auto& sysSettings = tableInfo->TTLSettings().GetEnabled().GetSysSettings();
+        const auto maxInFlight = sysSettings.GetMaxShardsInFlight();
+
+        while (true) {
+            if (maxInFlight && tableInfo->GetInFlightCondErase().size() >= maxInFlight) {
+                break;
+            }
+
+            const auto* tableShardInfo = tableInfo->GetScheduledCondEraseShard();
+            if (!tableShardInfo) {
+                break;
+            }
+
+            if (!DoExecuteOnShard(tableInfo, *tableShardInfo, ctx)) {
+                break;
+            }
+
+            tableInfo->AddInFlightCondErase(tableShardInfo->ShardIdx);
+        }
+    }
+
+    bool DoExecuteOnShard(TTableInfo::TPtr tableInfo, const TTableShardInfo& tableShardInfo, const TActorContext& ctx) {
+        if (tableShardInfo.NextCondErase > ctx.Now()) {
+            LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "Skip conditional erase"
+                << ": shardIdx: " << tableShardInfo.ShardIdx
+                << ", run at: " << tableShardInfo.NextCondErase
+                << ", at schemeshard: " << Self->TabletID());
+            return false;
+        }
+
+        if (!Self->ShardInfos.contains(tableShardInfo.ShardIdx)) {
+            LOG_WARN_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "Unable to resolve shard info"
+                << ": shardIdx: " << tableShardInfo.ShardIdx
+                << ", at schemeshard: " << Self->TabletID());
+            return false;
+        }
+
+        const TShardInfo& shardInfo = Self->ShardInfos.at(tableShardInfo.ShardIdx);
+        if (!Self->PathsById.contains(shardInfo.PathId)) {
+            LOG_ERROR_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "Unable to resolve path"
+                << ": shardIdx: " << tableShardInfo.ShardIdx
+                << ": pathId: " << shardInfo.PathId
+                << ", at schemeshard: " << Self->TabletID());
+            return false;
+        }
+
+        auto path = Self->PathsById.at(shardInfo.PathId);
+        if (path->Dropped()) {
+            LOG_WARN_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "Table is dropped"
+                << ": shardIdx: " << tableShardInfo.ShardIdx
+                << ": pathId: " << shardInfo.PathId
+                << ", at schemeshard: " << Self->TabletID());
+            return false;
+        }
+
+        if (!Self->Tables.contains(shardInfo.PathId)) {
+            LOG_WARN_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "Unable to resolve table"
+                << ": shardIdx: " << tableShardInfo.ShardIdx
+                << ": pathId: " << shardInfo.PathId
+                << ", at schemeshard: " << Self->TabletID());
+            return false;
+        }
+
+        const auto& settings = tableInfo->TTLSettings().GetEnabled();
+        const TDuration expireAfter = TDuration::Seconds(settings.GetExpireAfterSeconds());
+        const TInstant wallClock = ctx.Now() - expireAfter;
+
+        NKikimrTxDataShard::TEvConditionalEraseRowsRequest request;
+        request.SetTableId(shardInfo.PathId.LocalPathId);
+        request.SetSchemaVersion(tableInfo->AlterVersion);
+
+        for (const auto& [indexId, columnIds]: MakeIndexes(shardInfo.PathId)) {
+            auto& index = *request.MutableIndexes()->Add();
+
+            index.SetOwnerId(indexId.PathId.OwnerId);
+            index.SetPathId(indexId.PathId.LocalPathId);
+            index.SetSchemaVersion(indexId.SchemaVersion);
+
+            for (const auto& [indexColumnId, mainColumnId] : columnIds) {
+                auto& keyMap = *index.MutableKeyMap()->Add();
+                keyMap.SetIndexColumnId(indexColumnId);
+                keyMap.SetMainColumnId(mainColumnId);
+            }
+        }
+
+        request.MutableExpiration()->SetColumnId(tableInfo->GetTTLColumnId());
+        request.MutableExpiration()->SetWallClockTimestamp(wallClock.GetValue());
+        request.MutableExpiration()->SetColumnUnit(settings.GetColumnUnit());
+
+        const auto& sysSettings = settings.GetSysSettings();
+        request.MutableLimits()->SetBatchMaxBytes(sysSettings.GetBatchMaxBytes());
+        request.MutableLimits()->SetBatchMinKeys(sysSettings.GetBatchMinKeys());
+        request.MutableLimits()->SetBatchMaxKeys(sysSettings.GetBatchMaxKeys());
+
+        RunOnTablets.emplace(shardInfo.TabletID, std::move(request));
+
+        return true;
+    }
+
+    void DoComplete(const TActorContext& ctx) override {
+        LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "TTxRunConditionalErase DoComplete"
+            << ": at schemeshard: " << Self->TabletID());
+
+        for (auto& kv : RunOnTablets) {
+            const auto& tabletId = kv.first;
+            auto& request = kv.second;
+
+            auto ev = MakeHolder<TEvDataShard::TEvConditionalEraseRowsRequest>();
+            ev->Record = std::move(request);
+
+            LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "Run conditional erase"
+                << ", tabletId: " << tabletId
+                << ", request: " << ev->Record.ShortDebugString()
+                << ", at schemeshard: " << Self->TabletID());
+            Self->PipeClientCache->Send(ctx, ui64(tabletId), ev.Release());
+        }
+
+        if (!TableInfo) {
+            Self->ScheduleConditionalEraseRun(ctx);
+        }
+    }
+
+private:
+    THashMap<TTableId, TVector<std::pair<ui32, ui32>>> MakeIndexes(const TPathId& mainPathId) const {
+        THashMap<TTableId, TVector<std::pair<ui32, ui32>>> result;
+
+        Y_VERIFY(Self->PathsById.contains(mainPathId));
+        auto mainPath = Self->PathsById.at(mainPathId);
+
+        Y_VERIFY(Self->Tables.contains(mainPathId));
+        auto mainTable = Self->Tables.at(mainPathId);
+
+        for (const auto& [_, childPathId] : mainPath->GetChildren()) {
+            Y_VERIFY(Self->PathsById.contains(childPathId));
+            auto childPath = Self->PathsById.at(childPathId);
+
+            if (!childPath->IsTableIndex() || childPath->Dropped()) {
+                continue;
+            }
+
+            auto index = GetIndex(childPath);
+            if (index->Type == NKikimrSchemeOp::EIndexTypeGlobalAsync) {
+                continue;
+            }
+
+            auto [indexImplTableId, indexImplTable] = GetIndexImplTable(childPath);
+
+            auto ret = result.emplace(
+                TTableId(indexImplTableId, indexImplTable->AlterVersion),
+                MakeColumnIds(mainTable, index, indexImplTable)
+            );
+            Y_VERIFY(ret.second);
+        }
+
+        return result;
+    }
+
+    TTableIndexInfo::TPtr GetIndex(TPathElement::TPtr indexPath) const {
+        Y_VERIFY(Self->Indexes.contains(indexPath->PathId));
+        return Self->Indexes.at(indexPath->PathId);
+    }
+
+    std::pair<TPathId, TTableInfo::TPtr> GetIndexImplTable(TPathElement::TPtr indexPath) const {
+        Y_VERIFY(indexPath->GetChildren().size() == 1);
+
+        for (const auto& [_, indexImplPathId] : indexPath->GetChildren()) {
             auto childPath = Self->PathsById.at(indexImplPathId);
 
             Y_VERIFY(!childPath->Dropped());
 
-            Y_VERIFY(Self->Tables.contains(indexImplPathId)); 
-            return std::make_pair(indexImplPathId, Self->Tables.at(indexImplPathId)); 
-        } 
- 
-        Y_FAIL("Unreachable"); 
-    } 
- 
-    static TVector<std::pair<ui32, ui32>> MakeColumnIds(TTableInfo::TPtr mainTable, TTableIndexInfo::TPtr index, TTableInfo::TPtr indexImplTable) { 
-        TVector<std::pair<ui32, ui32>> result; 
-        THashSet<TString> keys; 
- 
-        const auto mainColumns = MakeColumnNameToId(mainTable->Columns); 
-        const auto indexImplColumns = MakeColumnNameToId(indexImplTable->Columns); 
- 
-        for (const TString& indexKey : index->IndexKeys) { 
-            Y_VERIFY(mainColumns.contains(indexKey)); 
-            Y_VERIFY(indexImplColumns.contains(indexKey)); 
- 
-            result.emplace_back(std::make_pair(indexImplColumns.at(indexKey), mainColumns.at(indexKey))); 
-            keys.insert(indexKey); 
-        } 
- 
-        for (const ui32 mainColumnId : mainTable->KeyColumnIds) { 
-            Y_VERIFY(mainTable->Columns.contains(mainColumnId)); 
-            const TString& mainKey = mainTable->Columns.at(mainColumnId).Name; 
- 
-            if (keys.contains(mainKey)) { 
-                continue; 
-            } 
- 
-            Y_VERIFY(indexImplColumns.contains(mainKey)); 
-            result.emplace_back(std::make_pair(indexImplColumns.at(mainKey), mainColumnId)); 
-        } 
- 
-        return result; 
-    } 
- 
-    static THashMap<TString, ui32> MakeColumnNameToId(const THashMap<ui32, TTableInfo::TColumn>& columns) { 
-        THashMap<TString, ui32> result; 
- 
-        for (const auto& [id, column] : columns) { 
-            if (column.IsDropped()) { 
-                continue; 
-            } 
- 
-            auto ret = result.emplace(column.Name, id); 
-            Y_VERIFY(ret.second); 
-        } 
- 
-        return result; 
-    } 
- 
-}; // TTxRunConditionalErase 
- 
+            Y_VERIFY(Self->Tables.contains(indexImplPathId));
+            return std::make_pair(indexImplPathId, Self->Tables.at(indexImplPathId));
+        }
+
+        Y_FAIL("Unreachable");
+    }
+
+    static TVector<std::pair<ui32, ui32>> MakeColumnIds(TTableInfo::TPtr mainTable, TTableIndexInfo::TPtr index, TTableInfo::TPtr indexImplTable) {
+        TVector<std::pair<ui32, ui32>> result;
+        THashSet<TString> keys;
+
+        const auto mainColumns = MakeColumnNameToId(mainTable->Columns);
+        const auto indexImplColumns = MakeColumnNameToId(indexImplTable->Columns);
+
+        for (const TString& indexKey : index->IndexKeys) {
+            Y_VERIFY(mainColumns.contains(indexKey));
+            Y_VERIFY(indexImplColumns.contains(indexKey));
+
+            result.emplace_back(std::make_pair(indexImplColumns.at(indexKey), mainColumns.at(indexKey)));
+            keys.insert(indexKey);
+        }
+
+        for (const ui32 mainColumnId : mainTable->KeyColumnIds) {
+            Y_VERIFY(mainTable->Columns.contains(mainColumnId));
+            const TString& mainKey = mainTable->Columns.at(mainColumnId).Name;
+
+            if (keys.contains(mainKey)) {
+                continue;
+            }
+
+            Y_VERIFY(indexImplColumns.contains(mainKey));
+            result.emplace_back(std::make_pair(indexImplColumns.at(mainKey), mainColumnId));
+        }
+
+        return result;
+    }
+
+    static THashMap<TString, ui32> MakeColumnNameToId(const THashMap<ui32, TTableInfo::TColumn>& columns) {
+        THashMap<TString, ui32> result;
+
+        for (const auto& [id, column] : columns) {
+            if (column.IsDropped()) {
+                continue;
+            }
+
+            auto ret = result.emplace(column.Name, id);
+            Y_VERIFY(ret.second);
+        }
+
+        return result;
+    }
+
+}; // TTxRunConditionalErase
+
 struct TSchemeShard::TTxScheduleConditionalErase : public TTransactionBase<TSchemeShard> {
-    TEvDataShard::TEvConditionalEraseRowsResponse::TPtr Ev; 
-    THolder<NSysView::TEvSysView::TEvUpdateTtlStats> StatsCollectorEv; 
-    TTableInfo::TPtr TableInfo; 
- 
-    TTxScheduleConditionalErase(TSelf* self, TEvDataShard::TEvConditionalEraseRowsResponse::TPtr& ev) 
-        : TBase(self) 
-        , Ev(ev) 
-        , TableInfo(nullptr) 
-    { 
-    } 
- 
-    virtual ~TTxScheduleConditionalErase() = default; 
- 
-    TTxType GetTxType() const override { 
-        return TXTYPE_SCHEDULE_CONDITIONAL_ERASE; 
-    } 
- 
-    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override { 
-        LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "TTxScheduleConditionalErase Execute" 
-            << ": at schemeshard: " << Self->TabletID()); 
- 
-        if (!Self->AllowConditionalEraseOperations) { 
-            LOG_NOTICE_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "Conditional erase operations are not allowed" 
-                << ", skip TTxScheduleConditionalErase" 
-                << ": at schemeshard: " << Self->TabletID()); 
-            return true; 
-        } 
- 
-        const auto& record = Ev->Get()->Record; 
- 
-        const TTabletId tabletId(record.GetTabletID()); 
-        const TShardIdx shardIdx = Self->GetShardIdx(tabletId); 
- 
-        if (!Self->ShardInfos.contains(shardIdx)) { 
-            LOG_WARN_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "Unable to resolve shard info" 
-                << ": tabletId: " << tabletId 
-                << ", at schemeshard: " << Self->TabletID()); 
-            return true; 
-        } 
- 
-        const TShardInfo& shardInfo = Self->ShardInfos.at(shardIdx); 
-        const TPathId& tableId = shardInfo.PathId; 
- 
-        if (!Self->TTLEnabledTables.contains(tableId)) { 
-            LOG_WARN_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "TTL is not enabled for table #P2" 
-                << ": tabletId: " << tabletId 
-                << ", tableId: " << tableId 
-                << ", at schemeshard: " << Self->TabletID()); 
-            return true; 
-        } 
- 
-        TTableInfo::TPtr tableInfo = Self->TTLEnabledTables.at(tableId); 
-        if (!tableInfo->IsTTLEnabled()) { 
-            LOG_ERROR_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "TTL is not enabled for table #P3" 
-                << ": tabletId: " << tabletId 
-                << ", tableId: " << tableId 
-                << ", at schemeshard: " << Self->TabletID()); 
-            return true; 
-        } 
- 
-        const auto& inFlight = tableInfo->GetInFlightCondErase(); 
-        if (!inFlight.contains(shardIdx)) { 
-            LOG_WARN_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "Shard idx mismatch" 
-                << ", tableId: " << tableId 
-                << ", shardIdx: " << shardIdx 
-                << ", in-flight shards: [" << JoinSeq(",", inFlight) << "]" 
-                << ", at schemeshard: " << Self->TabletID()); 
-            return true; 
-        } 
- 
-        const auto& sysSettings = tableInfo->TTLSettings().GetEnabled().GetSysSettings(); 
-        TDuration next = TDuration::FromValue(sysSettings.GetRunInterval()); 
- 
-        switch (record.GetStatus()) { 
-        case NKikimrTxDataShard::TEvConditionalEraseRowsResponse::PARTIAL: 
-            // TODO: remember progress 
-            return true; 
- 
-        case NKikimrTxDataShard::TEvConditionalEraseRowsResponse::BAD_REQUEST: 
-        case NKikimrTxDataShard::TEvConditionalEraseRowsResponse::ABORTED: 
-        case NKikimrTxDataShard::TEvConditionalEraseRowsResponse::ERASE_ERROR: 
-        case NKikimrTxDataShard::TEvConditionalEraseRowsResponse::OVERLOADED: 
-        case NKikimrTxDataShard::TEvConditionalEraseRowsResponse::SCHEME_ERROR: 
-            next = TDuration::FromValue(sysSettings.GetRetryInterval()); 
-            LOG_ERROR_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "Unsuccessful conditional erase" 
-                << ": tabletId: " << tabletId 
-                << ", status: " << NKikimrTxDataShard::TEvConditionalEraseRowsResponse_EStatus_Name(record.GetStatus()) 
-                << ", error: " << record.GetErrorDescription() 
-                << ", retry after: " << next 
-                << ", at schemeshard: " << Self->TabletID()); 
-            break; 
- 
-        case NKikimrTxDataShard::TEvConditionalEraseRowsResponse::OK: 
-            LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "Successful conditional erase" 
-                << ": tabletId: " << tabletId 
-                << ", at schemeshard: " << Self->TabletID()); 
-            break; 
- 
-        default: 
-            LOG_WARN_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "Unknown conditional erase status" 
-                << ": tabletId: " << tabletId 
-                << ", status: " << static_cast<ui32>(record.GetStatus()) 
-                << ", error: " << record.GetErrorDescription() 
-                << ", at schemeshard: " << Self->TabletID()); 
-            break; 
-        } 
- 
-        const auto& shardToPartition = tableInfo->GetShard2PartitionIdx(); 
-        Y_VERIFY(shardToPartition.contains(shardIdx)); 
-        const ui64 partitionIdx = shardToPartition.at(shardIdx); 
- 
-        const auto& partitions = tableInfo->GetPartitions(); 
-        Y_VERIFY(partitionIdx < partitions.size()); 
-        const auto& tableShardInfo = partitions.at(partitionIdx); 
- 
-        const auto& lag = tableShardInfo.LastCondEraseLag; 
-        if (lag) { 
-            Self->TabletCounters->Percentile()[COUNTER_NUM_SHARDS_BY_TTL_LAG].DecrementFor(lag->Seconds()); 
-        } 
- 
-        const auto now = ctx.Now(); 
- 
-        NIceDb::TNiceDb db(txc.DB); 
-        tableInfo->ScheduleNextCondErase(shardIdx, now, next); 
-        Self->PersistTablePartitionCondErase(db, tableId, partitionIdx, tableInfo); 
- 
-        if (AppData(ctx)->FeatureFlags.GetEnableSystemViews()) { 
-            StatsCollectorEv = MakeHolder<NSysView::TEvSysView::TEvUpdateTtlStats>( 
-                Self->GetDomainKey(tableId), tableId, std::make_pair(ui64(shardIdx.GetOwnerId()), ui64(shardIdx.GetLocalId())) 
-            ); 
- 
-            auto& stats = StatsCollectorEv->Stats; 
-            stats.SetLastRunTime(now.MilliSeconds()); 
-            stats.SetLastRowsProcessed(record.GetStats().GetRowsProcessed()); 
-            stats.SetLastRowsErased(record.GetStats().GetRowsErased()); 
-        } 
- 
-        Y_VERIFY(lag.Defined()); 
-        Self->TabletCounters->Percentile()[COUNTER_NUM_SHARDS_BY_TTL_LAG].IncrementFor(lag->Seconds()); 
- 
-        TableInfo = tableInfo; 
-        return true; 
-    } 
- 
-    void Complete(const TActorContext& ctx) override { 
-        LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "TTxScheduleConditionalErase Complete" 
-            << ": at schemeshard: " << Self->TabletID()); 
- 
-        if (StatsCollectorEv) { 
-            ctx.Send(Self->SysPartitionStatsCollector, StatsCollectorEv.Release()); 
-        } 
- 
-        if (TableInfo) { 
-            Self->Execute(new TTxRunConditionalErase(Self, TableInfo), ctx); 
-        } 
-    } 
- 
-}; // TTxScheduleConditionalErase 
- 
+    TEvDataShard::TEvConditionalEraseRowsResponse::TPtr Ev;
+    THolder<NSysView::TEvSysView::TEvUpdateTtlStats> StatsCollectorEv;
+    TTableInfo::TPtr TableInfo;
+
+    TTxScheduleConditionalErase(TSelf* self, TEvDataShard::TEvConditionalEraseRowsResponse::TPtr& ev)
+        : TBase(self)
+        , Ev(ev)
+        , TableInfo(nullptr)
+    {
+    }
+
+    virtual ~TTxScheduleConditionalErase() = default;
+
+    TTxType GetTxType() const override {
+        return TXTYPE_SCHEDULE_CONDITIONAL_ERASE;
+    }
+
+    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override {
+        LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "TTxScheduleConditionalErase Execute"
+            << ": at schemeshard: " << Self->TabletID());
+
+        if (!Self->AllowConditionalEraseOperations) {
+            LOG_NOTICE_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "Conditional erase operations are not allowed"
+                << ", skip TTxScheduleConditionalErase"
+                << ": at schemeshard: " << Self->TabletID());
+            return true;
+        }
+
+        const auto& record = Ev->Get()->Record;
+
+        const TTabletId tabletId(record.GetTabletID());
+        const TShardIdx shardIdx = Self->GetShardIdx(tabletId);
+
+        if (!Self->ShardInfos.contains(shardIdx)) {
+            LOG_WARN_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "Unable to resolve shard info"
+                << ": tabletId: " << tabletId
+                << ", at schemeshard: " << Self->TabletID());
+            return true;
+        }
+
+        const TShardInfo& shardInfo = Self->ShardInfos.at(shardIdx);
+        const TPathId& tableId = shardInfo.PathId;
+
+        if (!Self->TTLEnabledTables.contains(tableId)) {
+            LOG_WARN_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "TTL is not enabled for table #P2"
+                << ": tabletId: " << tabletId
+                << ", tableId: " << tableId
+                << ", at schemeshard: " << Self->TabletID());
+            return true;
+        }
+
+        TTableInfo::TPtr tableInfo = Self->TTLEnabledTables.at(tableId);
+        if (!tableInfo->IsTTLEnabled()) {
+            LOG_ERROR_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "TTL is not enabled for table #P3"
+                << ": tabletId: " << tabletId
+                << ", tableId: " << tableId
+                << ", at schemeshard: " << Self->TabletID());
+            return true;
+        }
+
+        const auto& inFlight = tableInfo->GetInFlightCondErase();
+        if (!inFlight.contains(shardIdx)) {
+            LOG_WARN_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "Shard idx mismatch"
+                << ", tableId: " << tableId
+                << ", shardIdx: " << shardIdx
+                << ", in-flight shards: [" << JoinSeq(",", inFlight) << "]"
+                << ", at schemeshard: " << Self->TabletID());
+            return true;
+        }
+
+        const auto& sysSettings = tableInfo->TTLSettings().GetEnabled().GetSysSettings();
+        TDuration next = TDuration::FromValue(sysSettings.GetRunInterval());
+
+        switch (record.GetStatus()) {
+        case NKikimrTxDataShard::TEvConditionalEraseRowsResponse::PARTIAL:
+            // TODO: remember progress
+            return true;
+
+        case NKikimrTxDataShard::TEvConditionalEraseRowsResponse::BAD_REQUEST:
+        case NKikimrTxDataShard::TEvConditionalEraseRowsResponse::ABORTED:
+        case NKikimrTxDataShard::TEvConditionalEraseRowsResponse::ERASE_ERROR:
+        case NKikimrTxDataShard::TEvConditionalEraseRowsResponse::OVERLOADED:
+        case NKikimrTxDataShard::TEvConditionalEraseRowsResponse::SCHEME_ERROR:
+            next = TDuration::FromValue(sysSettings.GetRetryInterval());
+            LOG_ERROR_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "Unsuccessful conditional erase"
+                << ": tabletId: " << tabletId
+                << ", status: " << NKikimrTxDataShard::TEvConditionalEraseRowsResponse_EStatus_Name(record.GetStatus())
+                << ", error: " << record.GetErrorDescription()
+                << ", retry after: " << next
+                << ", at schemeshard: " << Self->TabletID());
+            break;
+
+        case NKikimrTxDataShard::TEvConditionalEraseRowsResponse::OK:
+            LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "Successful conditional erase"
+                << ": tabletId: " << tabletId
+                << ", at schemeshard: " << Self->TabletID());
+            break;
+
+        default:
+            LOG_WARN_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "Unknown conditional erase status"
+                << ": tabletId: " << tabletId
+                << ", status: " << static_cast<ui32>(record.GetStatus())
+                << ", error: " << record.GetErrorDescription()
+                << ", at schemeshard: " << Self->TabletID());
+            break;
+        }
+
+        const auto& shardToPartition = tableInfo->GetShard2PartitionIdx();
+        Y_VERIFY(shardToPartition.contains(shardIdx));
+        const ui64 partitionIdx = shardToPartition.at(shardIdx);
+
+        const auto& partitions = tableInfo->GetPartitions();
+        Y_VERIFY(partitionIdx < partitions.size());
+        const auto& tableShardInfo = partitions.at(partitionIdx);
+
+        const auto& lag = tableShardInfo.LastCondEraseLag;
+        if (lag) {
+            Self->TabletCounters->Percentile()[COUNTER_NUM_SHARDS_BY_TTL_LAG].DecrementFor(lag->Seconds());
+        }
+
+        const auto now = ctx.Now();
+
+        NIceDb::TNiceDb db(txc.DB);
+        tableInfo->ScheduleNextCondErase(shardIdx, now, next);
+        Self->PersistTablePartitionCondErase(db, tableId, partitionIdx, tableInfo);
+
+        if (AppData(ctx)->FeatureFlags.GetEnableSystemViews()) {
+            StatsCollectorEv = MakeHolder<NSysView::TEvSysView::TEvUpdateTtlStats>(
+                Self->GetDomainKey(tableId), tableId, std::make_pair(ui64(shardIdx.GetOwnerId()), ui64(shardIdx.GetLocalId()))
+            );
+
+            auto& stats = StatsCollectorEv->Stats;
+            stats.SetLastRunTime(now.MilliSeconds());
+            stats.SetLastRowsProcessed(record.GetStats().GetRowsProcessed());
+            stats.SetLastRowsErased(record.GetStats().GetRowsErased());
+        }
+
+        Y_VERIFY(lag.Defined());
+        Self->TabletCounters->Percentile()[COUNTER_NUM_SHARDS_BY_TTL_LAG].IncrementFor(lag->Seconds());
+
+        TableInfo = tableInfo;
+        return true;
+    }
+
+    void Complete(const TActorContext& ctx) override {
+        LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "TTxScheduleConditionalErase Complete"
+            << ": at schemeshard: " << Self->TabletID());
+
+        if (StatsCollectorEv) {
+            ctx.Send(Self->SysPartitionStatsCollector, StatsCollectorEv.Release());
+        }
+
+        if (TableInfo) {
+            Self->Execute(new TTxRunConditionalErase(Self, TableInfo), ctx);
+        }
+    }
+
+}; // TTxScheduleConditionalErase
+
 ITransaction* TSchemeShard::CreateTxRunConditionalErase(TEvPrivate::TEvRunConditionalErase::TPtr& ev) {
-    return new TTxRunConditionalErase(this, ev); 
-} 
- 
+    return new TTxRunConditionalErase(this, ev);
+}
+
 ITransaction* TSchemeShard::CreateTxScheduleConditionalErase(TEvDataShard::TEvConditionalEraseRowsResponse::TPtr& ev) {
-    return new TTxScheduleConditionalErase(this, ev); 
-} 
- 
+    return new TTxScheduleConditionalErase(this, ev);
+}
+
 } // NSchemeShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard__delete_tablet_reply.cpp b/ydb/core/tx/schemeshard/schemeshard__delete_tablet_reply.cpp
index 7e2f3d0c7b..855553cddc 100644
--- a/ydb/core/tx/schemeshard/schemeshard__delete_tablet_reply.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__delete_tablet_reply.cpp
@@ -98,9 +98,9 @@ struct TSchemeShard::TTxDeleteTabletReply : public TSchemeShard::TRwTxBase {
             case ETabletType::SequenceShard:
                 Self->TabletCounters->Simple()[COUNTER_SEQUENCESHARD_COUNT].Sub(1);
                 break;
-            case ETabletType::ReplicationController: 
-                Self->TabletCounters->Simple()[COUNTER_REPLICATION_CONTROLLER_COUNT].Sub(1); 
-                break; 
+            case ETabletType::ReplicationController:
+                Self->TabletCounters->Simple()[COUNTER_REPLICATION_CONTROLLER_COUNT].Sub(1);
+                break;
             default:
                 Y_FAIL_S("Unknown TabletType"
                          << ", ShardIdx " << ShardIdx
@@ -124,15 +124,15 @@ struct TSchemeShard::TTxDeleteTabletReply : public TSchemeShard::TRwTxBase {
 
             auto domain = Self->ResolveDomainInfo(path);
             domain->RemoveInternalShard(ShardIdx);
-            switch (tabletType) { 
-            case ETabletType::SequenceShard: 
+            switch (tabletType) {
+            case ETabletType::SequenceShard:
                 domain->RemoveSequenceShard(ShardIdx);
-                break; 
-            case ETabletType::ReplicationController: 
-                domain->RemoveReplicationController(ShardIdx); 
-                break; 
-            default: 
-                break; 
+                break;
+            case ETabletType::ReplicationController:
+                domain->RemoveReplicationController(ShardIdx);
+                break;
+            default:
+                break;
             }
 
             TabletId = shardInfo.TabletID;
diff --git a/ydb/core/tx/schemeshard/schemeshard__describe_scheme.cpp b/ydb/core/tx/schemeshard/schemeshard__describe_scheme.cpp
index da41a3f084..e6d9635652 100644
--- a/ydb/core/tx/schemeshard/schemeshard__describe_scheme.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__describe_scheme.cpp
@@ -1,5 +1,5 @@
 #include "schemeshard_impl.h"
-#include "schemeshard_path_describer.h" 
+#include "schemeshard_path_describer.h"
 
 #include <util/stream/format.h>
 
@@ -10,16 +10,16 @@ using namespace NTabletFlatExecutor;
 
 struct TSchemeShard::TTxDescribeScheme : public TSchemeShard::TRwTxBase {
     const TActorId Sender;
-    const ui64 Cookie; 
-    TPathDescriber PathDescriber; 
+    const ui64 Cookie;
+    TPathDescriber PathDescriber;
 
     THolder<TEvSchemeShard::TEvDescribeSchemeResultBuilder> Result;
- 
+
     TTxDescribeScheme(TSelf *self, TEvSchemeShard::TEvDescribeScheme::TPtr &ev)
         : TRwTxBase(self)
-        , Sender(ev->Sender) 
-        , Cookie(ev->Cookie) 
-        , PathDescriber(self, std::move(ev->Get()->Record)) 
+        , Sender(ev->Sender)
+        , Cookie(ev->Cookie)
+        , PathDescriber(self, std::move(ev->Get()->Record))
     {}
 
     TTxType GetTxType() const override { return TXTYPE_DESCRIBE_SCHEME; }
@@ -27,25 +27,25 @@ struct TSchemeShard::TTxDescribeScheme : public TSchemeShard::TRwTxBase {
     void DoExecute(TTransactionContext& /*txc*/, const TActorContext& ctx) override {
         LOG_DEBUG_S(ctx, NKikimrServices::SCHEMESHARD_DESCRIBE,
                     "TTxDescribeScheme DoExecute"
-                        << ", record: " << PathDescriber.GetParams().ShortDebugString() 
+                        << ", record: " << PathDescriber.GetParams().ShortDebugString()
                         << ", at schemeshard: " << Self->TabletID());
 
-        Result = PathDescriber.Describe(ctx); 
+        Result = PathDescriber.Describe(ctx);
     }
 
     void DoComplete(const TActorContext &ctx) override {
-        const auto& params = PathDescriber.GetParams(); 
- 
-        if (params.HasPathId()) { 
+        const auto& params = PathDescriber.GetParams();
+
+        if (params.HasPathId()) {
             LOG_INFO_S(ctx, NKikimrServices::SCHEMESHARD_DESCRIBE,
                        "Tablet " << Self->TabletID()
-                                 << " describe pathId " << params.GetPathId() 
+                                 << " describe pathId " << params.GetPathId()
                                  << " took " << HumanReadable(ExecuteDuration)
                                  << " result status " <<NKikimrScheme::EStatus_Name(Result->Record.GetStatus()));
         } else {
             LOG_INFO_S(ctx, NKikimrServices::SCHEMESHARD_DESCRIBE,
                        "Tablet " << Self->TabletID()
-                                 << " describe path \"" << params.GetPath() << "\"" 
+                                 << " describe path \"" << params.GetPath() << "\""
                                  << " took " << HumanReadable(ExecuteDuration)
                                  << " result status " <<NKikimrScheme::EStatus_Name(Result->Record.GetStatus()));
         }
@@ -55,7 +55,7 @@ struct TSchemeShard::TTxDescribeScheme : public TSchemeShard::TRwTxBase {
                         << ", result: " << Result->GetRecord().ShortDebugString()
                         << ", at schemeshard: " << Self->TabletID());
 
-        ctx.Send(Sender, std::move(Result), 0, Cookie); 
+        ctx.Send(Sender, std::move(Result), 0, Cookie);
     }
 
 };
diff --git a/ydb/core/tx/schemeshard/schemeshard__fix_bad_paths.cpp b/ydb/core/tx/schemeshard/schemeshard__fix_bad_paths.cpp
index c8d057c019..b1755db0c1 100644
--- a/ydb/core/tx/schemeshard/schemeshard__fix_bad_paths.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__fix_bad_paths.cpp
@@ -1,59 +1,59 @@
-#include "schemeshard_impl.h" 
- 
-#if defined SS_LOG_W 
-#error log macro redefinition 
-#endif 
- 
-#define SS_LOG_W(ctx, stream) LOG_WARN_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, stream) 
- 
-namespace NKikimr { 
+#include "schemeshard_impl.h"
+
+#if defined SS_LOG_W
+#error log macro redefinition
+#endif
+
+#define SS_LOG_W(ctx, stream) LOG_WARN_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, stream)
+
+namespace NKikimr {
 namespace NSchemeShard {
- 
-using namespace NTabletFlatExecutor; 
- 
+
+using namespace NTabletFlatExecutor;
+
 struct TSchemeShard::TTxFixBadPaths : public TTransactionBase<TSchemeShard> {
-    explicit TTxFixBadPaths(TSelf *self) 
-        : TBase(self) 
-    { 
-    } 
- 
-    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override { 
-        NIceDb::TNiceDb db(txc.DB); 
- 
-        for (auto& el : Self->PathsById) { 
-            TPathId pathId = el.first; 
-            TPathElement::TPtr pathEl = el.second; 
- 
-            if (pathEl->Dropped() || !pathEl->NormalState()) { 
-                continue; 
-            } 
- 
+    explicit TTxFixBadPaths(TSelf *self)
+        : TBase(self)
+    {
+    }
+
+    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override {
+        NIceDb::TNiceDb db(txc.DB);
+
+        for (auto& el : Self->PathsById) {
+            TPathId pathId = el.first;
+            TPathElement::TPtr pathEl = el.second;
+
+            if (pathEl->Dropped() || !pathEl->NormalState()) {
+                continue;
+            }
+
             if (pathEl->CreateTxId == TTxId(0)) {
                 pathEl->CreateTxId = TTxId(1);
-                Self->PersistCreateTxId(db, pathId, pathEl->CreateTxId); 
- 
-                SS_LOG_W(ctx, "Fix CreateTxId, self# " << Self->TabletID() << ", pathId# " << pathId); 
-            } 
+                Self->PersistCreateTxId(db, pathId, pathEl->CreateTxId);
+
+                SS_LOG_W(ctx, "Fix CreateTxId, self# " << Self->TabletID() << ", pathId# " << pathId);
+            }
             if (pathId != Self->RootPathId() && pathEl->StepCreated == InvalidStepId) {
                 pathEl->StepCreated = TStepId(1);
-                Self->PersistCreateStep(db, pathId, pathEl->StepCreated); 
- 
-                SS_LOG_W(ctx, "Fix StepCreated, self# " << Self->TabletID() << ", pathId# " << pathId); 
-            } 
-        } 
- 
-        return true; 
-    } 
- 
-    void Complete(const TActorContext& ctx) override { 
-        Self->Execute(Self->CreateTxInitPopulator(TSideEffects::TPublications()), ctx); 
-    } 
- 
+                Self->PersistCreateStep(db, pathId, pathEl->StepCreated);
+
+                SS_LOG_W(ctx, "Fix StepCreated, self# " << Self->TabletID() << ", pathId# " << pathId);
+            }
+        }
+
+        return true;
+    }
+
+    void Complete(const TActorContext& ctx) override {
+        Self->Execute(Self->CreateTxInitPopulator(TSideEffects::TPublications()), ctx);
+    }
+
 }; // TSchemeShard::TTxFixBadPaths
- 
+
 NTabletFlatExecutor::ITransaction* TSchemeShard::CreateTxFixBadPaths() {
-    return new TTxFixBadPaths(this); 
-} 
- 
+    return new TTxFixBadPaths(this);
+}
+
 } // NSchemeShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard__init.cpp b/ydb/core/tx/schemeshard/schemeshard__init.cpp
index 0521ececdd..650506549e 100644
--- a/ydb/core/tx/schemeshard/schemeshard__init.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__init.cpp
@@ -13,11 +13,11 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
     TSideEffects OnComplete;
     TMemoryChanges MemChanges;
     TStorageChanges DbChanges;
-    THashMap<TTxId, TDeque<TPathId>> Publications; 
+    THashMap<TTxId, TDeque<TPathId>> Publications;
     TVector<TPathId> TablesToClean;
     TDeque<TPathId> BlockStoreVolumesToClean;
-    TVector<ui64> ExportsToResume; 
-    TVector<ui64> ImportsToResume; 
+    TVector<ui64> ExportsToResume;
+    TVector<ui64> ImportsToResume;
 
     explicit TTxInit(TSelf *self)
         : TBase(self)
@@ -313,7 +313,7 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
         return true;
     }
 
-    typedef std::tuple<TPathId, ui32, ui64, TString, TString, TString, ui64, TString, bool> TTableRec; 
+    typedef std::tuple<TPathId, ui32, ui64, TString, TString, TString, ui64, TString, bool> TTableRec;
     typedef TDeque<TTableRec> TTableRows;
 
     bool LoadTables(NIceDb::TNiceDb& db, TTableRows& tableRows) const {
@@ -331,11 +331,11 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
                 TString alterTabletFull = rowSet.GetValueOrDefault<Schema::Tables::AlterTableFull>();
                 TString alterTabletDiff = rowSet.GetValueOrDefault<Schema::Tables::AlterTable>();
                 ui64 partitionVersion = rowSet.GetValueOrDefault<Schema::Tables::PartitioningVersion>(0);
-                TString ttlSettings = rowSet.GetValueOrDefault<Schema::Tables::TTLSettings>(); 
-                bool isBackup = rowSet.GetValueOrDefault<Schema::Tables::IsBackup>(false); 
+                TString ttlSettings = rowSet.GetValueOrDefault<Schema::Tables::TTLSettings>();
+                bool isBackup = rowSet.GetValueOrDefault<Schema::Tables::IsBackup>(false);
 
                 tableRows.emplace_back(pathId,
-                                       nextCollId, alterVersion, partitionConfig, alterTabletFull, alterTabletDiff, partitionVersion, ttlSettings, isBackup); 
+                                       nextCollId, alterVersion, partitionConfig, alterTabletFull, alterTabletDiff, partitionVersion, ttlSettings, isBackup);
 
                 if (!rowSet.Next()) {
                     return false;
@@ -359,11 +359,11 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
                 TString alterTabletFull = rowSet.GetValueOrDefault<Schema::MigratedTables::AlterTableFull>();
                 TString alterTabletDiff = rowSet.GetValueOrDefault<Schema::MigratedTables::AlterTable>();
                 ui64 partitionVersion = rowSet.GetValueOrDefault<Schema::MigratedTables::PartitioningVersion>(0);
-                TString ttlSettings = rowSet.GetValueOrDefault<Schema::MigratedTables::TTLSettings>(); 
-                bool isBackup = rowSet.GetValueOrDefault<Schema::MigratedTables::IsBackup>(false); 
+                TString ttlSettings = rowSet.GetValueOrDefault<Schema::MigratedTables::TTLSettings>();
+                bool isBackup = rowSet.GetValueOrDefault<Schema::MigratedTables::IsBackup>(false);
 
                 tableRows.emplace_back(pathId,
-                                       nextCollId, alterVersion, partitionConfig, alterTabletFull, alterTabletDiff, partitionVersion, ttlSettings, isBackup); 
+                                       nextCollId, alterVersion, partitionConfig, alterTabletFull, alterTabletDiff, partitionVersion, ttlSettings, isBackup);
 
                 if (!rowSet.Next()) {
                     return false;
@@ -509,7 +509,7 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
         return true;
     }
 
-    typedef std::tuple<TPathId, ui64, TString, TShardIdx, ui64, ui64> TTablePartitionRec; 
+    typedef std::tuple<TPathId, ui64, TString, TShardIdx, ui64, ui64> TTablePartitionRec;
     typedef TDeque<TTablePartitionRec> TTablePartitionsRows;
 
     bool LoadTablePartitions(NIceDb::TNiceDb& db, TTablePartitionsRows& partitionsRows) const {
@@ -524,10 +524,10 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
                 ui64 id = rowSet.GetValue<Schema::TablePartitions::Id>();
                 TString rangeEnd = rowSet.GetValue<Schema::TablePartitions::RangeEnd>();
                 TShardIdx datashardIdx = Self->MakeLocalId(rowSet.GetValue<Schema::TablePartitions::DatashardIdx>());
-                ui64 lastCondErase = rowSet.GetValueOrDefault<Schema::TablePartitions::LastCondErase>(0); 
-                ui64 nextCondErase = rowSet.GetValueOrDefault<Schema::TablePartitions::NextCondErase>(0); 
+                ui64 lastCondErase = rowSet.GetValueOrDefault<Schema::TablePartitions::LastCondErase>(0);
+                ui64 nextCondErase = rowSet.GetValueOrDefault<Schema::TablePartitions::NextCondErase>(0);
 
-                partitionsRows.emplace_back(pathId, id, rangeEnd, datashardIdx, lastCondErase, nextCondErase); 
+                partitionsRows.emplace_back(pathId, id, rangeEnd, datashardIdx, lastCondErase, nextCondErase);
 
                 if (!rowSet.Next()) {
                     return false;
@@ -549,10 +549,10 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
                 TString rangeEnd = rowSet.GetValue<Schema::MigratedTablePartitions::RangeEnd>();
                 TShardIdx datashardIdx = TShardIdx(rowSet.GetValue<Schema::MigratedTablePartitions::OwnerShardIdx>(),
                                                    rowSet.GetValue<Schema::MigratedTablePartitions::LocalShardIdx>());
-                ui64 lastCondErase = rowSet.GetValueOrDefault<Schema::MigratedTablePartitions::LastCondErase>(0); 
-                ui64 nextCondErase = rowSet.GetValueOrDefault<Schema::MigratedTablePartitions::NextCondErase>(0); 
+                ui64 lastCondErase = rowSet.GetValueOrDefault<Schema::MigratedTablePartitions::LastCondErase>(0);
+                ui64 nextCondErase = rowSet.GetValueOrDefault<Schema::MigratedTablePartitions::NextCondErase>(0);
 
-                partitionsRows.emplace_back(pathId, id, rangeEnd, datashardIdx, lastCondErase, nextCondErase); 
+                partitionsRows.emplace_back(pathId, id, rangeEnd, datashardIdx, lastCondErase, nextCondErase);
 
                 if (!rowSet.Next()) {
                     return false;
@@ -820,7 +820,7 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
         return true;
     }
 
-    typedef std::tuple<TPathId, TString, TString, TString, TString, bool, TString, ui32> TBackupSettingsRec; 
+    typedef std::tuple<TPathId, TString, TString, TString, TString, bool, TString, ui32> TBackupSettingsRec;
     typedef TDeque<TBackupSettingsRec> TBackupSettingsRows;
 
     bool LoadBackupSettings(NIceDb::TNiceDb& db, TBackupSettingsRows& settings) const {
@@ -833,14 +833,14 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
             while (!rowSet.EndOfSet()) {
                 auto pathId = Self->MakeLocalId(rowSet.GetValue<Schema::BackupSettings::PathId>());
                 auto tableName = rowSet.GetValue<Schema::BackupSettings::TableName>();
-                auto ytSettings = rowSet.GetValueOrDefault<Schema::BackupSettings::YTSettings>(""); 
-                auto s3Settings = rowSet.GetValueOrDefault<Schema::BackupSettings::S3Settings>(""); 
-                auto scanSettings = rowSet.GetValueOrDefault<Schema::BackupSettings::ScanSettings>(""); 
-                auto needToBill = rowSet.GetValueOrDefault<Schema::BackupSettings::NeedToBill>(true); 
-                auto tableDesc = rowSet.GetValueOrDefault<Schema::BackupSettings::TableDescription>(""); 
-                auto nRetries = rowSet.GetValueOrDefault<Schema::BackupSettings::NumberOfRetries>(0); 
+                auto ytSettings = rowSet.GetValueOrDefault<Schema::BackupSettings::YTSettings>("");
+                auto s3Settings = rowSet.GetValueOrDefault<Schema::BackupSettings::S3Settings>("");
+                auto scanSettings = rowSet.GetValueOrDefault<Schema::BackupSettings::ScanSettings>("");
+                auto needToBill = rowSet.GetValueOrDefault<Schema::BackupSettings::NeedToBill>(true);
+                auto tableDesc = rowSet.GetValueOrDefault<Schema::BackupSettings::TableDescription>("");
+                auto nRetries = rowSet.GetValueOrDefault<Schema::BackupSettings::NumberOfRetries>(0);
 
-                settings.emplace_back(pathId, tableName, ytSettings, s3Settings, scanSettings, needToBill, tableDesc, nRetries); 
+                settings.emplace_back(pathId, tableName, ytSettings, s3Settings, scanSettings, needToBill, tableDesc, nRetries);
 
                 if (!rowSet.Next()) {
                     return false;
@@ -858,14 +858,14 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
                 auto pathId = TPathId(rowSet.GetValue<Schema::MigratedBackupSettings::OwnerPathId>(),
                                       rowSet.GetValue<Schema::MigratedBackupSettings::LocalPathId>());
                 auto tableName = rowSet.GetValue<Schema::MigratedBackupSettings::TableName>();
-                auto ytSettings = rowSet.GetValueOrDefault<Schema::MigratedBackupSettings::YTSettings>(""); 
-                auto s3Settings = rowSet.GetValueOrDefault<Schema::MigratedBackupSettings::S3Settings>(""); 
-                auto scanSettings = rowSet.GetValueOrDefault<Schema::MigratedBackupSettings::ScanSettings>(""); 
-                auto needToBill = rowSet.GetValueOrDefault<Schema::MigratedBackupSettings::NeedToBill>(true); 
-                auto tableDesc = rowSet.GetValueOrDefault<Schema::MigratedBackupSettings::TableDescription>(""); 
-                auto nRetries = rowSet.GetValueOrDefault<Schema::MigratedBackupSettings::NumberOfRetries>(0); 
+                auto ytSettings = rowSet.GetValueOrDefault<Schema::MigratedBackupSettings::YTSettings>("");
+                auto s3Settings = rowSet.GetValueOrDefault<Schema::MigratedBackupSettings::S3Settings>("");
+                auto scanSettings = rowSet.GetValueOrDefault<Schema::MigratedBackupSettings::ScanSettings>("");
+                auto needToBill = rowSet.GetValueOrDefault<Schema::MigratedBackupSettings::NeedToBill>(true);
+                auto tableDesc = rowSet.GetValueOrDefault<Schema::MigratedBackupSettings::TableDescription>("");
+                auto nRetries = rowSet.GetValueOrDefault<Schema::MigratedBackupSettings::NumberOfRetries>(0);
 
-                settings.emplace_back(pathId, tableName, ytSettings, s3Settings, scanSettings, needToBill, tableDesc, nRetries); 
+                settings.emplace_back(pathId, tableName, ytSettings, s3Settings, scanSettings, needToBill, tableDesc, nRetries);
 
                 if (!rowSet.Next()) {
                     return false;
@@ -876,10 +876,10 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
         return true;
     }
 
-    typedef std::tuple<TPathId, TTxId, ui64, ui32, ui32, ui64, ui64, ui8> TCompletedBackupRestoreRec; 
-    typedef TDeque<TCompletedBackupRestoreRec> TCompletedBackupRestoreRows; 
+    typedef std::tuple<TPathId, TTxId, ui64, ui32, ui32, ui64, ui64, ui8> TCompletedBackupRestoreRec;
+    typedef TDeque<TCompletedBackupRestoreRec> TCompletedBackupRestoreRows;
 
-    bool LoadBackupRestoreHistory(NIceDb::TNiceDb& db, TCompletedBackupRestoreRows& history) const { 
+    bool LoadBackupRestoreHistory(NIceDb::TNiceDb& db, TCompletedBackupRestoreRows& history) const {
         {
             auto rowSet = db.Table<Schema::CompletedBackups>().Range().Select();
             if (!rowSet.IsReady()) {
@@ -895,9 +895,9 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
                 auto totalShardCount = rowSet.GetValue<Schema::CompletedBackups::TotalShardCount>();
                 auto startTime = rowSet.GetValue<Schema::CompletedBackups::StartTime>();
                 auto dataSize = rowSet.GetValue<Schema::CompletedBackups::DataTotalSize>();
-                auto kind = rowSet.GetValueOrDefault<Schema::CompletedBackups::Kind>(0); 
+                auto kind = rowSet.GetValueOrDefault<Schema::CompletedBackups::Kind>(0);
 
-                history.emplace_back(pathId, txId, completeTime, successShardsCount, totalShardCount, startTime, dataSize, kind); 
+                history.emplace_back(pathId, txId, completeTime, successShardsCount, totalShardCount, startTime, dataSize, kind);
 
                 if (!rowSet.Next()) {
                     return false;
@@ -921,9 +921,9 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
                 auto totalShardCount = rowSet.GetValue<Schema::MigratedCompletedBackups::TotalShardCount>();
                 auto startTime = rowSet.GetValue<Schema::MigratedCompletedBackups::StartTime>();
                 auto dataSize = rowSet.GetValue<Schema::MigratedCompletedBackups::DataTotalSize>();
-                auto kind = rowSet.GetValueOrDefault<Schema::MigratedCompletedBackups::Kind>(0); 
+                auto kind = rowSet.GetValueOrDefault<Schema::MigratedCompletedBackups::Kind>(0);
 
-                history.emplace_back(pathId, txId, completeTime, successShardsCount, totalShardCount, startTime, dataSize, kind); 
+                history.emplace_back(pathId, txId, completeTime, successShardsCount, totalShardCount, startTime, dataSize, kind);
 
                 if (!rowSet.Next()) {
                     return false;
@@ -934,24 +934,24 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
         return true;
     }
 
-    typedef std::tuple<TTxId, TShardIdx, bool, TString, ui64, ui64> TShardBackupStatusRec; 
+    typedef std::tuple<TTxId, TShardIdx, bool, TString, ui64, ui64> TShardBackupStatusRec;
     typedef TDeque<TShardBackupStatusRec> TShardBackupStatusRows;
 
-    template <typename T, typename U, typename V> 
-    bool LoadBackupStatusesImpl(TShardBackupStatusRows& statuses, 
-            T& byShardBackupStatus, U& byMigratedShardBackupStatus, V& byTxShardStatus) const { 
+    template <typename T, typename U, typename V>
+    bool LoadBackupStatusesImpl(TShardBackupStatusRows& statuses,
+            T& byShardBackupStatus, U& byMigratedShardBackupStatus, V& byTxShardStatus) const {
         {
-            T& rowSet = byShardBackupStatus; 
+            T& rowSet = byShardBackupStatus;
             if (!rowSet.IsReady()) {
                 return false;
             }
 
             while (!rowSet.EndOfSet()) {
-                auto txId = rowSet.template GetValue<Schema::ShardBackupStatus::TxId>(); 
-                auto shardIdx = Self->MakeLocalId(rowSet.template GetValue<Schema::ShardBackupStatus::ShardIdx>()); 
-                auto explain = rowSet.template GetValue<Schema::ShardBackupStatus::Explain>(); 
+                auto txId = rowSet.template GetValue<Schema::ShardBackupStatus::TxId>();
+                auto shardIdx = Self->MakeLocalId(rowSet.template GetValue<Schema::ShardBackupStatus::ShardIdx>());
+                auto explain = rowSet.template GetValue<Schema::ShardBackupStatus::Explain>();
 
-                statuses.emplace_back(txId, shardIdx, false, explain, 0, 0); 
+                statuses.emplace_back(txId, shardIdx, false, explain, 0, 0);
 
                 if (!rowSet.Next()) {
                     return false;
@@ -960,18 +960,43 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
         }
 
         {
-            U& rowSet = byMigratedShardBackupStatus; 
+            U& rowSet = byMigratedShardBackupStatus;
             if (!rowSet.IsReady()) {
                 return false;
             }
 
             while (!rowSet.EndOfSet()) {
-                auto txId = rowSet.template GetValue<Schema::MigratedShardBackupStatus::TxId>(); 
-                auto shardIdx = TShardIdx(rowSet.template GetValue<Schema::MigratedShardBackupStatus::OwnerShardId>(), 
-                                          rowSet.template GetValue<Schema::MigratedShardBackupStatus::LocalShardId>()); 
-                auto explain = rowSet.template GetValue<Schema::MigratedShardBackupStatus::Explain>(); 
+                auto txId = rowSet.template GetValue<Schema::MigratedShardBackupStatus::TxId>();
+                auto shardIdx = TShardIdx(rowSet.template GetValue<Schema::MigratedShardBackupStatus::OwnerShardId>(),
+                                          rowSet.template GetValue<Schema::MigratedShardBackupStatus::LocalShardId>());
+                auto explain = rowSet.template GetValue<Schema::MigratedShardBackupStatus::Explain>();
 
-                statuses.emplace_back(txId, shardIdx, false, explain, 0, 0); 
+                statuses.emplace_back(txId, shardIdx, false, explain, 0, 0);
+
+                if (!rowSet.Next()) {
+                    return false;
+                }
+            }
+        }
+
+        {
+            V& rowSet = byTxShardStatus;
+            if (!rowSet.IsReady()) {
+                return false;
+            }
+
+            while (!rowSet.EndOfSet()) {
+                auto txId = rowSet.template GetValue<Schema::TxShardStatus::TxId>();
+                auto shardIdx = TShardIdx(
+                    rowSet.template GetValue<Schema::TxShardStatus::OwnerShardId>(),
+                    rowSet.template GetValue<Schema::TxShardStatus::LocalShardId>()
+                );
+                auto success = rowSet.template GetValue<Schema::TxShardStatus::Success>();
+                auto error = rowSet.template GetValue<Schema::TxShardStatus::Error>();
+                auto bytes = rowSet.template GetValue<Schema::TxShardStatus::BytesProcessed>();
+                auto rows = rowSet.template GetValue<Schema::TxShardStatus::RowsProcessed>();
+
+                statuses.emplace_back(txId, shardIdx, success, error, bytes, rows);
 
                 if (!rowSet.Next()) {
                     return false;
@@ -979,42 +1004,17 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
             }
         }
 
-        { 
-            V& rowSet = byTxShardStatus; 
-            if (!rowSet.IsReady()) { 
-                return false; 
-            } 
- 
-            while (!rowSet.EndOfSet()) { 
-                auto txId = rowSet.template GetValue<Schema::TxShardStatus::TxId>(); 
-                auto shardIdx = TShardIdx( 
-                    rowSet.template GetValue<Schema::TxShardStatus::OwnerShardId>(), 
-                    rowSet.template GetValue<Schema::TxShardStatus::LocalShardId>() 
-                ); 
-                auto success = rowSet.template GetValue<Schema::TxShardStatus::Success>(); 
-                auto error = rowSet.template GetValue<Schema::TxShardStatus::Error>(); 
-                auto bytes = rowSet.template GetValue<Schema::TxShardStatus::BytesProcessed>(); 
-                auto rows = rowSet.template GetValue<Schema::TxShardStatus::RowsProcessed>(); 
- 
-                statuses.emplace_back(txId, shardIdx, success, error, bytes, rows); 
- 
-                if (!rowSet.Next()) { 
-                    return false; 
-                } 
-            } 
-        } 
- 
         return true;
     }
 
-    bool LoadBackupStatuses(NIceDb::TNiceDb& db, TShardBackupStatusRows& statuses) const { 
-        auto byShardBackupStatus = db.Table<Schema::ShardBackupStatus>().Range().Select(); 
-        auto byMigratedShardBackupStatus = db.Table<Schema::MigratedShardBackupStatus>().Range().Select(); 
-        auto byTxShardStatus = db.Table<Schema::TxShardStatus>().Range().Select(); 
- 
-        return LoadBackupStatusesImpl(statuses, byShardBackupStatus, byMigratedShardBackupStatus, byTxShardStatus); 
-    } 
- 
+    bool LoadBackupStatuses(NIceDb::TNiceDb& db, TShardBackupStatusRows& statuses) const {
+        auto byShardBackupStatus = db.Table<Schema::ShardBackupStatus>().Range().Select();
+        auto byMigratedShardBackupStatus = db.Table<Schema::MigratedShardBackupStatus>().Range().Select();
+        auto byTxShardStatus = db.Table<Schema::TxShardStatus>().Range().Select();
+
+        return LoadBackupStatusesImpl(statuses, byShardBackupStatus, byMigratedShardBackupStatus, byTxShardStatus);
+    }
+
     typedef std::tuple<TPathId, ui64, NKikimrSchemeOp::EIndexType, NKikimrSchemeOp::EIndexState> TTableIndexRec;
     typedef TDeque<TTableIndexRec> TTableIndexRows;
 
@@ -1453,94 +1453,94 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
             }
         }
 
-        // Read SubDomains 
+        // Read SubDomains
         {
             TSchemeLimits rootLimits = TSchemeShard::DefaultLimits;
- 
-            if (Self->PathsById.contains(Self->RootPathId()) && Self->IsDomainSchemeShard) { 
-                auto row = db.Table<Schema::SubDomains>().Key(Self->RootPathId().LocalPathId).Select(); 
- 
-                if (!row.IsReady()) 
-                    return false; 
- 
-                ui64 version = 0; 
- 
-                if (row.IsValid()) { 
-                    version = row.GetValue<Schema::SubDomains::AlterVersion>(); 
-                    rootLimits.MaxDepth = row.GetValueOrDefault<Schema::SubDomains::DepthLimit>(rootLimits.MaxDepth); 
-                    rootLimits.MaxPaths = row.GetValueOrDefault<Schema::SubDomains::PathsLimit>(rootLimits.MaxPaths); 
-                    rootLimits.MaxChildrenInDir = row.GetValueOrDefault<Schema::SubDomains::ChildrenLimit>(rootLimits.MaxChildrenInDir); 
-                    rootLimits.MaxAclBytesSize = row.GetValueOrDefault<Schema::SubDomains::AclByteSizeLimit>(rootLimits.MaxAclBytesSize); 
-                    rootLimits.MaxTableColumns = row.GetValueOrDefault<Schema::SubDomains::TableColumnsLimit>(rootLimits.MaxTableColumns); 
-                    rootLimits.MaxTableColumnNameLength = row.GetValueOrDefault<Schema::SubDomains::TableColumnNameLengthLimit>(rootLimits.MaxTableColumnNameLength); 
-                    rootLimits.MaxTableKeyColumns = row.GetValueOrDefault<Schema::SubDomains::TableKeyColumnsLimit>(rootLimits.MaxTableKeyColumns); 
-                    rootLimits.MaxTableIndices = row.GetValueOrDefault<Schema::SubDomains::TableIndicesLimit>(rootLimits.MaxTableIndices); 
-                    rootLimits.MaxShards = row.GetValueOrDefault<Schema::SubDomains::ShardsLimit>(rootLimits.MaxShards); 
-                    rootLimits.MaxShardsInPath = row.GetValueOrDefault<Schema::SubDomains::PathShardsLimit>(rootLimits.MaxShardsInPath); 
-                    rootLimits.MaxConsistentCopyTargets = row.GetValueOrDefault<Schema::SubDomains::ConsistentCopyingTargetsLimit>(rootLimits.MaxConsistentCopyTargets); 
-                    rootLimits.MaxPathElementLength = row.GetValueOrDefault<Schema::SubDomains::PathElementLength>(rootLimits.MaxPathElementLength); 
-                    rootLimits.ExtraPathSymbolsAllowed = row.GetValueOrDefault<Schema::SubDomains::ExtraPathSymbolsAllowed>(rootLimits.ExtraPathSymbolsAllowed); 
+
+            if (Self->PathsById.contains(Self->RootPathId()) && Self->IsDomainSchemeShard) {
+                auto row = db.Table<Schema::SubDomains>().Key(Self->RootPathId().LocalPathId).Select();
+
+                if (!row.IsReady())
+                    return false;
+
+                ui64 version = 0;
+
+                if (row.IsValid()) {
+                    version = row.GetValue<Schema::SubDomains::AlterVersion>();
+                    rootLimits.MaxDepth = row.GetValueOrDefault<Schema::SubDomains::DepthLimit>(rootLimits.MaxDepth);
+                    rootLimits.MaxPaths = row.GetValueOrDefault<Schema::SubDomains::PathsLimit>(rootLimits.MaxPaths);
+                    rootLimits.MaxChildrenInDir = row.GetValueOrDefault<Schema::SubDomains::ChildrenLimit>(rootLimits.MaxChildrenInDir);
+                    rootLimits.MaxAclBytesSize = row.GetValueOrDefault<Schema::SubDomains::AclByteSizeLimit>(rootLimits.MaxAclBytesSize);
+                    rootLimits.MaxTableColumns = row.GetValueOrDefault<Schema::SubDomains::TableColumnsLimit>(rootLimits.MaxTableColumns);
+                    rootLimits.MaxTableColumnNameLength = row.GetValueOrDefault<Schema::SubDomains::TableColumnNameLengthLimit>(rootLimits.MaxTableColumnNameLength);
+                    rootLimits.MaxTableKeyColumns = row.GetValueOrDefault<Schema::SubDomains::TableKeyColumnsLimit>(rootLimits.MaxTableKeyColumns);
+                    rootLimits.MaxTableIndices = row.GetValueOrDefault<Schema::SubDomains::TableIndicesLimit>(rootLimits.MaxTableIndices);
+                    rootLimits.MaxShards = row.GetValueOrDefault<Schema::SubDomains::ShardsLimit>(rootLimits.MaxShards);
+                    rootLimits.MaxShardsInPath = row.GetValueOrDefault<Schema::SubDomains::PathShardsLimit>(rootLimits.MaxShardsInPath);
+                    rootLimits.MaxConsistentCopyTargets = row.GetValueOrDefault<Schema::SubDomains::ConsistentCopyingTargetsLimit>(rootLimits.MaxConsistentCopyTargets);
+                    rootLimits.MaxPathElementLength = row.GetValueOrDefault<Schema::SubDomains::PathElementLength>(rootLimits.MaxPathElementLength);
+                    rootLimits.ExtraPathSymbolsAllowed = row.GetValueOrDefault<Schema::SubDomains::ExtraPathSymbolsAllowed>(rootLimits.ExtraPathSymbolsAllowed);
                     rootLimits.MaxPQPartitions = row.GetValueOrDefault<Schema::SubDomains::PQPartitionsLimit>(rootLimits.MaxPQPartitions);
-                } 
- 
-                TSubDomainInfo::TPtr rootDomainInfo = new TSubDomainInfo(version, Self->RootPathId()); 
-                rootDomainInfo->SetSchemeLimits(rootLimits); 
+                }
+
+                TSubDomainInfo::TPtr rootDomainInfo = new TSubDomainInfo(version, Self->RootPathId());
+                rootDomainInfo->SetSchemeLimits(rootLimits);
                 rootDomainInfo->SetSecurityStateVersion(row.GetValueOrDefault<Schema::SubDomains::SecurityStateVersion>());
- 
-                rootDomainInfo->InitializeAsGlobal(Self->CreateRootProcessingParams(ctx)); 
- 
-                Self->SubDomains[Self->RootPathId()] = rootDomainInfo; 
-            } 
- 
-            auto rowset = db.Table<Schema::SubDomains>().Range().Select(); 
-            if (!rowset.IsReady()) 
-                return false; 
-            while (!rowset.EndOfSet()) { 
-                TLocalPathId localPathId = rowset.GetValue<Schema::SubDomains::PathId>(); 
-                TPathId pathId(selfId, localPathId); 
- 
-                Y_VERIFY_S(Self->PathsById.contains(pathId), "Path doesn't exist, pathId: " << pathId); 
- 
-                TPathElement::TPtr path = Self->PathsById.at(pathId); 
-                Y_VERIFY_S(path->IsDomainRoot(), "Path is not a domain, pathId: " << pathId); 
- 
-                if (!path->IsRoot() || !Self->IsDomainSchemeShard) { 
-                    Y_VERIFY(!Self->SubDomains.contains(pathId)); 
- 
-                    ui64 alterVersion = rowset.GetValue<Schema::SubDomains::AlterVersion>(); 
-                    ui64 planResolution = rowset.GetValue<Schema::SubDomains::PlanResolution>(); 
-                    ui32 timeCastBukets = rowset.GetValue<Schema::SubDomains::TimeCastBuckets>(); 
-                    TPathId resourcesDomainId = TPathId( 
-                        rowset.GetValue<Schema::SubDomains::ResourcesDomainOwnerPathId>(), 
-                        rowset.GetValue<Schema::SubDomains::ResourcesDomainLocalPathId>()); 
-                    TSubDomainInfo::TPtr domainInfo = new TSubDomainInfo( 
-                        alterVersion, 
-                        planResolution, 
-                        timeCastBukets, 
-                        resourcesDomainId); 
-                    Self->SubDomains[pathId] = domainInfo; 
+
+                rootDomainInfo->InitializeAsGlobal(Self->CreateRootProcessingParams(ctx));
+
+                Self->SubDomains[Self->RootPathId()] = rootDomainInfo;
+            }
+
+            auto rowset = db.Table<Schema::SubDomains>().Range().Select();
+            if (!rowset.IsReady())
+                return false;
+            while (!rowset.EndOfSet()) {
+                TLocalPathId localPathId = rowset.GetValue<Schema::SubDomains::PathId>();
+                TPathId pathId(selfId, localPathId);
+
+                Y_VERIFY_S(Self->PathsById.contains(pathId), "Path doesn't exist, pathId: " << pathId);
+
+                TPathElement::TPtr path = Self->PathsById.at(pathId);
+                Y_VERIFY_S(path->IsDomainRoot(), "Path is not a domain, pathId: " << pathId);
+
+                if (!path->IsRoot() || !Self->IsDomainSchemeShard) {
+                    Y_VERIFY(!Self->SubDomains.contains(pathId));
+
+                    ui64 alterVersion = rowset.GetValue<Schema::SubDomains::AlterVersion>();
+                    ui64 planResolution = rowset.GetValue<Schema::SubDomains::PlanResolution>();
+                    ui32 timeCastBukets = rowset.GetValue<Schema::SubDomains::TimeCastBuckets>();
+                    TPathId resourcesDomainId = TPathId(
+                        rowset.GetValue<Schema::SubDomains::ResourcesDomainOwnerPathId>(),
+                        rowset.GetValue<Schema::SubDomains::ResourcesDomainLocalPathId>());
+                    TSubDomainInfo::TPtr domainInfo = new TSubDomainInfo(
+                        alterVersion,
+                        planResolution,
+                        timeCastBukets,
+                        resourcesDomainId);
+                    Self->SubDomains[pathId] = domainInfo;
                     Self->IncrementPathDbRefCount(pathId);
- 
-                    TTabletId sharedHiveId = rowset.GetValue<Schema::SubDomains::SharedHiveId>(); 
-                    domainInfo->SetSharedHive(sharedHiveId); 
- 
-                    TSchemeLimits limits = rootLimits; 
-                    limits.MaxDepth = rowset.GetValueOrDefault<Schema::SubDomains::DepthLimit>(limits.MaxDepth); 
-                    limits.MaxPaths = rowset.GetValueOrDefault<Schema::SubDomains::PathsLimit>(limits.MaxPaths); 
-                    limits.MaxChildrenInDir = rowset.GetValueOrDefault<Schema::SubDomains::ChildrenLimit>(limits.MaxChildrenInDir); 
-                    limits.MaxAclBytesSize = rowset.GetValueOrDefault<Schema::SubDomains::AclByteSizeLimit>(limits.MaxAclBytesSize); 
-                    limits.MaxTableColumns = rowset.GetValueOrDefault<Schema::SubDomains::TableColumnsLimit>(limits.MaxTableColumns); 
-                    limits.MaxTableColumnNameLength = rowset.GetValueOrDefault<Schema::SubDomains::TableColumnNameLengthLimit>(limits.MaxTableColumnNameLength); 
-                    limits.MaxTableKeyColumns = rowset.GetValueOrDefault<Schema::SubDomains::TableKeyColumnsLimit>(limits.MaxTableKeyColumns); 
-                    limits.MaxTableIndices = rowset.GetValueOrDefault<Schema::SubDomains::TableIndicesLimit>(limits.MaxTableIndices); 
-                    limits.MaxShards = rowset.GetValueOrDefault<Schema::SubDomains::ShardsLimit>(limits.MaxShards); 
-                    limits.MaxShardsInPath = rowset.GetValueOrDefault<Schema::SubDomains::PathShardsLimit>(limits.MaxShardsInPath); 
-                    limits.MaxConsistentCopyTargets = rowset.GetValueOrDefault<Schema::SubDomains::ConsistentCopyingTargetsLimit>(limits.MaxConsistentCopyTargets); 
-                    limits.MaxPathElementLength = rowset.GetValueOrDefault<Schema::SubDomains::PathElementLength>(limits.MaxPathElementLength); 
-                    limits.ExtraPathSymbolsAllowed = rowset.GetValueOrDefault<Schema::SubDomains::ExtraPathSymbolsAllowed>(limits.ExtraPathSymbolsAllowed); 
+
+                    TTabletId sharedHiveId = rowset.GetValue<Schema::SubDomains::SharedHiveId>();
+                    domainInfo->SetSharedHive(sharedHiveId);
+
+                    TSchemeLimits limits = rootLimits;
+                    limits.MaxDepth = rowset.GetValueOrDefault<Schema::SubDomains::DepthLimit>(limits.MaxDepth);
+                    limits.MaxPaths = rowset.GetValueOrDefault<Schema::SubDomains::PathsLimit>(limits.MaxPaths);
+                    limits.MaxChildrenInDir = rowset.GetValueOrDefault<Schema::SubDomains::ChildrenLimit>(limits.MaxChildrenInDir);
+                    limits.MaxAclBytesSize = rowset.GetValueOrDefault<Schema::SubDomains::AclByteSizeLimit>(limits.MaxAclBytesSize);
+                    limits.MaxTableColumns = rowset.GetValueOrDefault<Schema::SubDomains::TableColumnsLimit>(limits.MaxTableColumns);
+                    limits.MaxTableColumnNameLength = rowset.GetValueOrDefault<Schema::SubDomains::TableColumnNameLengthLimit>(limits.MaxTableColumnNameLength);
+                    limits.MaxTableKeyColumns = rowset.GetValueOrDefault<Schema::SubDomains::TableKeyColumnsLimit>(limits.MaxTableKeyColumns);
+                    limits.MaxTableIndices = rowset.GetValueOrDefault<Schema::SubDomains::TableIndicesLimit>(limits.MaxTableIndices);
+                    limits.MaxShards = rowset.GetValueOrDefault<Schema::SubDomains::ShardsLimit>(limits.MaxShards);
+                    limits.MaxShardsInPath = rowset.GetValueOrDefault<Schema::SubDomains::PathShardsLimit>(limits.MaxShardsInPath);
+                    limits.MaxConsistentCopyTargets = rowset.GetValueOrDefault<Schema::SubDomains::ConsistentCopyingTargetsLimit>(limits.MaxConsistentCopyTargets);
+                    limits.MaxPathElementLength = rowset.GetValueOrDefault<Schema::SubDomains::PathElementLength>(limits.MaxPathElementLength);
+                    limits.ExtraPathSymbolsAllowed = rowset.GetValueOrDefault<Schema::SubDomains::ExtraPathSymbolsAllowed>(limits.ExtraPathSymbolsAllowed);
                     limits.MaxPQPartitions = rowset.GetValueOrDefault<Schema::SubDomains::PQPartitionsLimit>(limits.MaxPQPartitions);
 
-                    domainInfo->SetSchemeLimits(limits); 
+                    domainInfo->SetSchemeLimits(limits);
 
                     if (rowset.HaveValue<Schema::SubDomains::DeclaredSchemeQuotas>()) {
                         NKikimrSubDomains::TSchemeQuotas declaredSchemeQuotas;
@@ -1560,57 +1560,57 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
                     if (domainInfo->GetDiskQuotaExceeded()) {
                         Self->ChangeDiskSpaceQuotaExceeded(+1);
                     }
-                } 
- 
-                if (!rowset.Next()) 
-                    return false; 
-            } 
- 
-            // Read SubDomainsAlterData 
-            { 
-                auto rowset = db.Table<Schema::SubDomainsAlterData>().Range().Select(); 
-                if (!rowset.IsReady()) 
-                    return false; 
-                while (!rowset.EndOfSet()) { 
-                    TLocalPathId localPathId = rowset.GetValue<Schema::SubDomainsAlterData::PathId>(); 
-                    TPathId pathId(selfId, localPathId); 
- 
-                    ui64 alterVersion = rowset.GetValue<Schema::SubDomainsAlterData::AlterVersion>(); 
-                    ui64 planResolution = rowset.GetValue<Schema::SubDomainsAlterData::PlanResolution>(); 
-                    ui32 timeCastBukets = rowset.GetValue<Schema::SubDomainsAlterData::TimeCastBuckets>(); 
- 
-                    TPathId resourcesDomainId = TPathId( 
-                        rowset.GetValue<Schema::SubDomainsAlterData::ResourcesDomainOwnerPathId>(), 
-                        rowset.GetValue<Schema::SubDomainsAlterData::ResourcesDomainLocalPathId>()); 
-                    if (resourcesDomainId && Self->IsDomainSchemeShard) { 
-                        // we cannot check that on TSS 
-                        Y_VERIFY_S(Self->SubDomains.contains(resourcesDomainId), "Unknown ResourcesDomainId: " << resourcesDomainId); 
-                    } 
- 
-                    Y_VERIFY_S(Self->PathsById.contains(pathId), "Path doesn't exist, pathId: " << pathId); 
-                    TPathElement::TPtr path = Self->PathsById.at(pathId); 
-                    Y_VERIFY_S(path->IsDomainRoot(), "Path is not a subdomain, pathId: " << pathId); 
- 
-                    Y_VERIFY(Self->SubDomains.contains(pathId)); 
-                    auto subdomainInfo = Self->SubDomains[pathId]; 
-                    Y_VERIFY(!subdomainInfo->GetAlter()); 
- 
-                    TSubDomainInfo::TPtr alter; 
-                    alter = new TSubDomainInfo( 
-                        alterVersion, 
-                        planResolution, 
-                        timeCastBukets, 
-                        resourcesDomainId); 
- 
-                    TTabletId sharedHiveId = rowset.GetValue<Schema::SubDomainsAlterData::SharedHiveId>(); 
-                    alter->SetSharedHive(sharedHiveId); 
- 
-                    alter->SetSchemeLimits(subdomainInfo->GetSchemeLimits()); // do not change SchemeLimits 
- 
-                    if (Self->IsDomainSchemeShard && path->IsRoot()) { 
-                        alter->InitializeAsGlobal(Self->CreateRootProcessingParams(ctx)); 
-                    } 
- 
+                }
+
+                if (!rowset.Next())
+                    return false;
+            }
+
+            // Read SubDomainsAlterData
+            {
+                auto rowset = db.Table<Schema::SubDomainsAlterData>().Range().Select();
+                if (!rowset.IsReady())
+                    return false;
+                while (!rowset.EndOfSet()) {
+                    TLocalPathId localPathId = rowset.GetValue<Schema::SubDomainsAlterData::PathId>();
+                    TPathId pathId(selfId, localPathId);
+
+                    ui64 alterVersion = rowset.GetValue<Schema::SubDomainsAlterData::AlterVersion>();
+                    ui64 planResolution = rowset.GetValue<Schema::SubDomainsAlterData::PlanResolution>();
+                    ui32 timeCastBukets = rowset.GetValue<Schema::SubDomainsAlterData::TimeCastBuckets>();
+
+                    TPathId resourcesDomainId = TPathId(
+                        rowset.GetValue<Schema::SubDomainsAlterData::ResourcesDomainOwnerPathId>(),
+                        rowset.GetValue<Schema::SubDomainsAlterData::ResourcesDomainLocalPathId>());
+                    if (resourcesDomainId && Self->IsDomainSchemeShard) {
+                        // we cannot check that on TSS
+                        Y_VERIFY_S(Self->SubDomains.contains(resourcesDomainId), "Unknown ResourcesDomainId: " << resourcesDomainId);
+                    }
+
+                    Y_VERIFY_S(Self->PathsById.contains(pathId), "Path doesn't exist, pathId: " << pathId);
+                    TPathElement::TPtr path = Self->PathsById.at(pathId);
+                    Y_VERIFY_S(path->IsDomainRoot(), "Path is not a subdomain, pathId: " << pathId);
+
+                    Y_VERIFY(Self->SubDomains.contains(pathId));
+                    auto subdomainInfo = Self->SubDomains[pathId];
+                    Y_VERIFY(!subdomainInfo->GetAlter());
+
+                    TSubDomainInfo::TPtr alter;
+                    alter = new TSubDomainInfo(
+                        alterVersion,
+                        planResolution,
+                        timeCastBukets,
+                        resourcesDomainId);
+
+                    TTabletId sharedHiveId = rowset.GetValue<Schema::SubDomainsAlterData::SharedHiveId>();
+                    alter->SetSharedHive(sharedHiveId);
+
+                    alter->SetSchemeLimits(subdomainInfo->GetSchemeLimits()); // do not change SchemeLimits
+
+                    if (Self->IsDomainSchemeShard && path->IsRoot()) {
+                        alter->InitializeAsGlobal(Self->CreateRootProcessingParams(ctx));
+                    }
+
                     if (rowset.HaveValue<Schema::SubDomainsAlterData::DeclaredSchemeQuotas>()) {
                         NKikimrSubDomains::TSchemeQuotas declaredSchemeQuotas;
                         Y_VERIFY(ParseFromStringNoSizeLimit(declaredSchemeQuotas, rowset.GetValue<Schema::SubDomainsAlterData::DeclaredSchemeQuotas>()));
@@ -1623,90 +1623,90 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
                         alter->SetDatabaseQuotas(databaseQuotas);
                     }
 
-                    subdomainInfo->SetAlter(alter); 
- 
-                    if (!rowset.Next()) 
-                        return false; 
-                } 
-            } 
- 
-            // Set ResourcesDomainId for older subdomains & check validity 
-            for (auto [id, subDomain] : Self->SubDomains) { 
-                auto alter = subDomain->GetAlter(); 
- 
-                if (!subDomain->GetResourcesDomainId() && (!alter || !alter->GetResourcesDomainId())) { 
-                    if (Self->IsDomainSchemeShard) { 
-                        subDomain->SetResourcesDomainId(id); 
-                    } else { 
-                        subDomain->SetResourcesDomainId(Self->ParentDomainId); 
-                    } 
- 
-                    continue; 
-                } 
- 
-                if (!Self->IsDomainSchemeShard) { 
-                    // we cannot check validity on TSS 
-                    continue; 
-                } 
- 
-                if (auto resourcesDomainId = subDomain->GetResourcesDomainId()) { 
-                    Y_VERIFY_S(Self->SubDomains.contains(resourcesDomainId), "Unknown ResourcesDomainId: " << resourcesDomainId); 
-                } 
- 
-                if (!alter) { 
-                    continue; 
-                } 
- 
-                if (auto resourcesDomainId = alter->GetResourcesDomainId()) { 
-                    Y_VERIFY_S(Self->SubDomains.contains(resourcesDomainId), "Unknown ResourcesDomainId: " << resourcesDomainId); 
-                } 
-            } 
-        } 
- 
-        // Read SubDomainShards 
-        { 
-            auto rowset = db.Table<Schema::SubDomainShards>().Range().Select(); 
-            if (!rowset.IsReady()) 
-                return false; 
-            while (!rowset.EndOfSet()) { 
-                TLocalPathId localPathId = rowset.GetValue<Schema::SubDomainShards::PathId>(); 
-                TPathId pathId(selfId, localPathId); 
- 
-                TLocalShardIdx localShardIdx = rowset.GetValue<Schema::SubDomainShards::ShardIdx>(); 
-                TShardIdx shardIdx = Self->MakeLocalId(localShardIdx); 
- 
-                Y_VERIFY(Self->SubDomains.contains(pathId)); 
-                Self->SubDomains[pathId]->AddPrivateShard(shardIdx); 
- 
-                if (!rowset.Next()) 
-                    return false; 
-            } 
- 
-            // Read SubDomainShardsAlterData 
-            { 
-                auto rowset = db.Table<Schema::SubDomainShardsAlterData>().Range().Select(); 
-                if (!rowset.IsReady()) 
-                    return false; 
-                while (!rowset.EndOfSet()) { 
-                    TLocalPathId localPathId = rowset.GetValue<Schema::SubDomainShardsAlterData::PathId>(); 
-                    TPathId pathId(selfId, localPathId); 
- 
-                    TLocalShardIdx localShardIdx = rowset.GetValue<Schema::SubDomainShardsAlterData::ShardIdx>(); 
-                    TShardIdx shardIdx = Self->MakeLocalId(localShardIdx); 
- 
-                    Y_VERIFY(Self->SubDomains.contains(pathId)); 
-                    auto subdomainInfo = Self->SubDomains[pathId]; 
-                    Y_VERIFY(subdomainInfo->GetAlter()); 
-                    subdomainInfo->GetAlter()->AddPrivateShard(shardIdx); 
- 
-                    if (!rowset.Next()) 
-                        return false; 
-                } 
-            } 
-        } 
- 
+                    subdomainInfo->SetAlter(alter);
+
+                    if (!rowset.Next())
+                        return false;
+                }
+            }
+
+            // Set ResourcesDomainId for older subdomains & check validity
+            for (auto [id, subDomain] : Self->SubDomains) {
+                auto alter = subDomain->GetAlter();
+
+                if (!subDomain->GetResourcesDomainId() && (!alter || !alter->GetResourcesDomainId())) {
+                    if (Self->IsDomainSchemeShard) {
+                        subDomain->SetResourcesDomainId(id);
+                    } else {
+                        subDomain->SetResourcesDomainId(Self->ParentDomainId);
+                    }
+
+                    continue;
+                }
+
+                if (!Self->IsDomainSchemeShard) {
+                    // we cannot check validity on TSS
+                    continue;
+                }
+
+                if (auto resourcesDomainId = subDomain->GetResourcesDomainId()) {
+                    Y_VERIFY_S(Self->SubDomains.contains(resourcesDomainId), "Unknown ResourcesDomainId: " << resourcesDomainId);
+                }
+
+                if (!alter) {
+                    continue;
+                }
+
+                if (auto resourcesDomainId = alter->GetResourcesDomainId()) {
+                    Y_VERIFY_S(Self->SubDomains.contains(resourcesDomainId), "Unknown ResourcesDomainId: " << resourcesDomainId);
+                }
+            }
+        }
+
+        // Read SubDomainShards
+        {
+            auto rowset = db.Table<Schema::SubDomainShards>().Range().Select();
+            if (!rowset.IsReady())
+                return false;
+            while (!rowset.EndOfSet()) {
+                TLocalPathId localPathId = rowset.GetValue<Schema::SubDomainShards::PathId>();
+                TPathId pathId(selfId, localPathId);
+
+                TLocalShardIdx localShardIdx = rowset.GetValue<Schema::SubDomainShards::ShardIdx>();
+                TShardIdx shardIdx = Self->MakeLocalId(localShardIdx);
+
+                Y_VERIFY(Self->SubDomains.contains(pathId));
+                Self->SubDomains[pathId]->AddPrivateShard(shardIdx);
+
+                if (!rowset.Next())
+                    return false;
+            }
+
+            // Read SubDomainShardsAlterData
+            {
+                auto rowset = db.Table<Schema::SubDomainShardsAlterData>().Range().Select();
+                if (!rowset.IsReady())
+                    return false;
+                while (!rowset.EndOfSet()) {
+                    TLocalPathId localPathId = rowset.GetValue<Schema::SubDomainShardsAlterData::PathId>();
+                    TPathId pathId(selfId, localPathId);
+
+                    TLocalShardIdx localShardIdx = rowset.GetValue<Schema::SubDomainShardsAlterData::ShardIdx>();
+                    TShardIdx shardIdx = Self->MakeLocalId(localShardIdx);
+
+                    Y_VERIFY(Self->SubDomains.contains(pathId));
+                    auto subdomainInfo = Self->SubDomains[pathId];
+                    Y_VERIFY(subdomainInfo->GetAlter());
+                    subdomainInfo->GetAlter()->AddPrivateShard(shardIdx);
+
+                    if (!rowset.Next())
+                        return false;
+                }
+            }
+        }
+
         // Read SubDomainSchemeQuotas
-        { 
+        {
             auto rowset = db.Table<Schema::SubDomainSchemeQuotas>().Range().Select();
             if (!rowset.IsReady())
                 return false;
@@ -1790,20 +1790,20 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
 
                 tableInfo->PartitioningVersion = std::get<6>(rec);
 
-                TString ttlSettings = std::get<7>(rec); 
-                if (ttlSettings) { 
-                    bool parseOk = ParseFromStringNoSizeLimit(tableInfo->MutableTTLSettings(), ttlSettings); 
-                    Y_VERIFY(parseOk); 
-                } 
- 
-                tableInfo->IsBackup = std::get<8>(rec); 
- 
+                TString ttlSettings = std::get<7>(rec);
+                if (ttlSettings) {
+                    bool parseOk = ParseFromStringNoSizeLimit(tableInfo->MutableTTLSettings(), ttlSettings);
+                    Y_VERIFY(parseOk);
+                }
+
+                tableInfo->IsBackup = std::get<8>(rec);
+
                 Self->Tables[pathId] = tableInfo;
                 Self->IncrementPathDbRefCount(pathId);
-                if (tableInfo->IsTTLEnabled()) { 
-                    Self->TTLEnabledTables[pathId] = tableInfo; 
-                    Self->TabletCounters->Simple()[COUNTER_TTL_ENABLED_TABLE_COUNT].Add(1); 
-                } 
+                if (tableInfo->IsTTLEnabled()) {
+                    Self->TTLEnabledTables[pathId] = tableInfo;
+                    Self->TabletCounters->Simple()[COUNTER_TTL_ENABLED_TABLE_COUNT].Add(1);
+                }
             }
 
         }
@@ -2008,14 +2008,14 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
             TPathId prevTableId;
             TVector<TTableShardInfo> partitions;
 
-            const auto now = ctx.Now(); 
+            const auto now = ctx.Now();
             for (auto& rec: tablePartitions) {
                 TPathId tableId = std::get<0>(rec);
                 ui64 id = std::get<1>(rec);
                 TString rangeEnd = std::get<2>(rec);
                 TShardIdx datashardIdx = std::get<3>(rec);
-                ui64 lastCondErase = std::get<4>(rec); 
-                ui64 nextCondErase = std::get<5>(rec); 
+                ui64 lastCondErase = std::get<4>(rec);
+                ui64 nextCondErase = std::get<5>(rec);
 
                 if (tableId != prevTableId) {
                     if (prevTableId) {
@@ -2033,20 +2033,20 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
                 if (partitions.size() <= id) {
                     partitions.resize(id+1);
                 }
- 
-                partitions[id] = TTableShardInfo(datashardIdx, rangeEnd, lastCondErase, nextCondErase); 
- 
-                if (Self->TTLEnabledTables.contains(tableId) && partitions[id].LastCondErase) { 
-                    auto& lag = partitions[id].LastCondEraseLag; 
-                    if (now >= partitions[id].LastCondErase) { 
-                        lag = now - partitions[id].LastCondErase; 
-                    } else { 
-                        lag = TDuration::Zero(); 
-                    } 
- 
-                    Self->TabletCounters->Percentile()[COUNTER_NUM_SHARDS_BY_TTL_LAG].IncrementFor(lag->Seconds()); 
-                } 
- 
+
+                partitions[id] = TTableShardInfo(datashardIdx, rangeEnd, lastCondErase, nextCondErase);
+
+                if (Self->TTLEnabledTables.contains(tableId) && partitions[id].LastCondErase) {
+                    auto& lag = partitions[id].LastCondEraseLag;
+                    if (now >= partitions[id].LastCondErase) {
+                        lag = now - partitions[id].LastCondErase;
+                    } else {
+                        lag = TDuration::Zero();
+                    }
+
+                    Self->TabletCounters->Percentile()[COUNTER_NUM_SHARDS_BY_TTL_LAG].IncrementFor(lag->Seconds());
+                }
+
                 // TODO: check rangeEnd validity
                 // TODO: check datashard idx existence
             }
@@ -2087,41 +2087,41 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
             }
         }
 
-        // Read partition stats 
-        { 
-            auto rowSet = db.Table<Schema::TablePartitionStats>().Range().Select(); 
-            if (!rowSet.IsReady()) { 
-                return false; 
-            } 
- 
-            TPathId prevTableId; 
- 
-            while (!rowSet.EndOfSet()) { 
-                const TPathId tableId = TPathId( 
-                    rowSet.GetValue<Schema::TablePartitionStats::TableOwnerId>(), 
-                    rowSet.GetValue<Schema::TablePartitionStats::TableLocalId>()); 
- 
-                if (tableId != prevTableId) { 
-                    if (prevTableId) { 
-                        Y_VERIFY(Self->Tables.contains(prevTableId)); 
-                        TTableInfo::TPtr tableInfo = Self->Tables.at(prevTableId); 
+        // Read partition stats
+        {
+            auto rowSet = db.Table<Schema::TablePartitionStats>().Range().Select();
+            if (!rowSet.IsReady()) {
+                return false;
+            }
+
+            TPathId prevTableId;
+
+            while (!rowSet.EndOfSet()) {
+                const TPathId tableId = TPathId(
+                    rowSet.GetValue<Schema::TablePartitionStats::TableOwnerId>(),
+                    rowSet.GetValue<Schema::TablePartitionStats::TableLocalId>());
+
+                if (tableId != prevTableId) {
+                    if (prevTableId) {
+                        Y_VERIFY(Self->Tables.contains(prevTableId));
+                        TTableInfo::TPtr tableInfo = Self->Tables.at(prevTableId);
                         if (!tableInfo->IsBackup && !tableInfo->IsShardsStatsDetached()) {
                             Self->ResolveDomainInfo(prevTableId)->AggrDiskSpaceUsage(Self, tableInfo->GetStats().Aggregated);
-                        } 
-                    } 
- 
-                    prevTableId = tableId; 
-                } 
- 
-                Y_VERIFY(Self->Tables.contains(tableId)); 
-                TTableInfo::TPtr tableInfo = Self->Tables.at(tableId); 
- 
-                const ui64 partitionId = rowSet.GetValue<Schema::TablePartitionStats::PartitionId>(); 
-                Y_VERIFY(partitionId < tableInfo->GetPartitions().size()); 
- 
-                const TShardIdx shardIdx = tableInfo->GetPartitions()[partitionId].ShardIdx; 
-                Y_VERIFY(shardIdx != InvalidShardIdx); 
- 
+                        }
+                    }
+
+                    prevTableId = tableId;
+                }
+
+                Y_VERIFY(Self->Tables.contains(tableId));
+                TTableInfo::TPtr tableInfo = Self->Tables.at(tableId);
+
+                const ui64 partitionId = rowSet.GetValue<Schema::TablePartitionStats::PartitionId>();
+                Y_VERIFY(partitionId < tableInfo->GetPartitions().size());
+
+                const TShardIdx shardIdx = tableInfo->GetPartitions()[partitionId].ShardIdx;
+                Y_VERIFY(shardIdx != InvalidShardIdx);
+
                 if (Self->ShardInfos.contains(shardIdx)) {
                     const TShardInfo& shardInfo = Self->ShardInfos.at(shardIdx);
                     if (shardInfo.PathId != tableId) {
@@ -2129,58 +2129,58 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
                     }
                 }
 
-                TTableInfo::TPartitionStats stats; 
- 
-                stats.SeqNo = TMessageSeqNo( 
-                    rowSet.GetValue<Schema::TablePartitionStats::SeqNoGeneration>(), 
-                    rowSet.GetValue<Schema::TablePartitionStats::SeqNoRound>()); 
- 
-                stats.RowCount = rowSet.GetValue<Schema::TablePartitionStats::RowCount>(); 
-                stats.DataSize = rowSet.GetValue<Schema::TablePartitionStats::DataSize>(); 
-                stats.IndexSize = rowSet.GetValue<Schema::TablePartitionStats::IndexSize>(); 
- 
-                stats.LastAccessTime = TInstant::FromValue(rowSet.GetValue<Schema::TablePartitionStats::LastAccessTime>()); 
-                stats.LastUpdateTime = TInstant::FromValue(rowSet.GetValue<Schema::TablePartitionStats::LastUpdateTime>()); 
- 
-                stats.ImmediateTxCompleted = rowSet.GetValue<Schema::TablePartitionStats::ImmediateTxCompleted>(); 
-                stats.PlannedTxCompleted = rowSet.GetValue<Schema::TablePartitionStats::PlannedTxCompleted>(); 
-                stats.TxRejectedByOverload = rowSet.GetValue<Schema::TablePartitionStats::TxRejectedByOverload>(); 
-                stats.TxRejectedBySpace = rowSet.GetValue<Schema::TablePartitionStats::TxRejectedBySpace>(); 
-                stats.TxCompleteLag = TDuration::FromValue(rowSet.GetValue<Schema::TablePartitionStats::TxCompleteLag>()); 
-                stats.InFlightTxCount = rowSet.GetValue<Schema::TablePartitionStats::InFlightTxCount>(); 
- 
-                stats.RowUpdates = rowSet.GetValue<Schema::TablePartitionStats::RowUpdates>(); 
-                stats.RowDeletes = rowSet.GetValue<Schema::TablePartitionStats::RowDeletes>(); 
-                stats.RowReads = rowSet.GetValue<Schema::TablePartitionStats::RowReads>(); 
-                stats.RangeReads = rowSet.GetValue<Schema::TablePartitionStats::RangeReads>(); 
-                stats.RangeReadRows = rowSet.GetValue<Schema::TablePartitionStats::RangeReadRows>(); 
- 
+                TTableInfo::TPartitionStats stats;
+
+                stats.SeqNo = TMessageSeqNo(
+                    rowSet.GetValue<Schema::TablePartitionStats::SeqNoGeneration>(),
+                    rowSet.GetValue<Schema::TablePartitionStats::SeqNoRound>());
+
+                stats.RowCount = rowSet.GetValue<Schema::TablePartitionStats::RowCount>();
+                stats.DataSize = rowSet.GetValue<Schema::TablePartitionStats::DataSize>();
+                stats.IndexSize = rowSet.GetValue<Schema::TablePartitionStats::IndexSize>();
+
+                stats.LastAccessTime = TInstant::FromValue(rowSet.GetValue<Schema::TablePartitionStats::LastAccessTime>());
+                stats.LastUpdateTime = TInstant::FromValue(rowSet.GetValue<Schema::TablePartitionStats::LastUpdateTime>());
+
+                stats.ImmediateTxCompleted = rowSet.GetValue<Schema::TablePartitionStats::ImmediateTxCompleted>();
+                stats.PlannedTxCompleted = rowSet.GetValue<Schema::TablePartitionStats::PlannedTxCompleted>();
+                stats.TxRejectedByOverload = rowSet.GetValue<Schema::TablePartitionStats::TxRejectedByOverload>();
+                stats.TxRejectedBySpace = rowSet.GetValue<Schema::TablePartitionStats::TxRejectedBySpace>();
+                stats.TxCompleteLag = TDuration::FromValue(rowSet.GetValue<Schema::TablePartitionStats::TxCompleteLag>());
+                stats.InFlightTxCount = rowSet.GetValue<Schema::TablePartitionStats::InFlightTxCount>();
+
+                stats.RowUpdates = rowSet.GetValue<Schema::TablePartitionStats::RowUpdates>();
+                stats.RowDeletes = rowSet.GetValue<Schema::TablePartitionStats::RowDeletes>();
+                stats.RowReads = rowSet.GetValue<Schema::TablePartitionStats::RowReads>();
+                stats.RangeReads = rowSet.GetValue<Schema::TablePartitionStats::RangeReads>();
+                stats.RangeReadRows = rowSet.GetValue<Schema::TablePartitionStats::RangeReadRows>();
+
                 TInstant now = AppData(ctx)->TimeProvider->Now();
                 stats.SetCurrentRawCpuUsage(rowSet.GetValue<Schema::TablePartitionStats::CPU>(), now);
-                stats.Memory = rowSet.GetValue<Schema::TablePartitionStats::Memory>(); 
-                stats.Network = rowSet.GetValue<Schema::TablePartitionStats::Network>(); 
-                stats.Storage = rowSet.GetValue<Schema::TablePartitionStats::Storage>(); 
-                stats.ReadThroughput = rowSet.GetValue<Schema::TablePartitionStats::ReadThroughput>(); 
-                stats.WriteThroughput = rowSet.GetValue<Schema::TablePartitionStats::WriteThroughput>(); 
-                stats.ReadIops = rowSet.GetValue<Schema::TablePartitionStats::ReadIops>(); 
-                stats.WriteIops = rowSet.GetValue<Schema::TablePartitionStats::WriteIops>(); 
- 
-                tableInfo->UpdateShardStats(shardIdx, stats); 
- 
-                if (!rowSet.Next()) { 
-                    return false; 
-                } 
-            } 
- 
-            if (prevTableId) { 
-                Y_VERIFY(Self->Tables.contains(prevTableId)); 
-                TTableInfo::TPtr tableInfo = Self->Tables.at(prevTableId); 
+                stats.Memory = rowSet.GetValue<Schema::TablePartitionStats::Memory>();
+                stats.Network = rowSet.GetValue<Schema::TablePartitionStats::Network>();
+                stats.Storage = rowSet.GetValue<Schema::TablePartitionStats::Storage>();
+                stats.ReadThroughput = rowSet.GetValue<Schema::TablePartitionStats::ReadThroughput>();
+                stats.WriteThroughput = rowSet.GetValue<Schema::TablePartitionStats::WriteThroughput>();
+                stats.ReadIops = rowSet.GetValue<Schema::TablePartitionStats::ReadIops>();
+                stats.WriteIops = rowSet.GetValue<Schema::TablePartitionStats::WriteIops>();
+
+                tableInfo->UpdateShardStats(shardIdx, stats);
+
+                if (!rowSet.Next()) {
+                    return false;
+                }
+            }
+
+            if (prevTableId) {
+                Y_VERIFY(Self->Tables.contains(prevTableId));
+                TTableInfo::TPtr tableInfo = Self->Tables.at(prevTableId);
                 if (!tableInfo->IsBackup && !tableInfo->IsShardsStatsDetached()) {
                     Self->ResolveDomainInfo(prevTableId)->AggrDiskSpaceUsage(Self, tableInfo->GetStats().Aggregated);
-                } 
-            } 
-        } 
- 
+                }
+            }
+        }
+
         // Read channels binding
         {
             TChannelBindingRows channelBindingRows;
@@ -2233,9 +2233,9 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
                 pqGroup->NextPartitionId = rowset.GetValueOrDefault<Schema::PersQueueGroups::NextPartitionId>(0);
                 pqGroup->TotalGroupCount = rowset.GetValueOrDefault<Schema::PersQueueGroups::TotalGroupCount>(0);
 
-                const bool ok = pqGroup->FillKeySchema(pqGroup->TabletConfig); 
-                Y_VERIFY(ok); 
- 
+                const bool ok = pqGroup->FillKeySchema(pqGroup->TabletConfig);
+                Y_VERIFY(ok);
+
                 Self->PersQueueGroups[pathId] = pqGroup;
                 Self->IncrementPathDbRefCount(pathId);
 
@@ -2268,22 +2268,22 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
                 TShardIdx shardIdx = Self->MakeLocalId(localShardIdx);
                 pqInfo.AlterVersion = rowset.GetValue<Schema::PersQueues::AlterVersion>();
 
-                if (rowset.HaveValue<Schema::PersQueues::RangeBegin>()) { 
-                    if (!pqInfo.KeyRange) { 
-                        pqInfo.KeyRange = {}; 
-                    } 
- 
-                    pqInfo.KeyRange->FromBound = rowset.GetValue<Schema::PersQueues::RangeBegin>(); 
-                } 
- 
-                if (rowset.HaveValue<Schema::PersQueues::RangeEnd>()) { 
-                    if (!pqInfo.KeyRange) { 
-                        pqInfo.KeyRange = {}; 
-                    } 
- 
-                    pqInfo.KeyRange->ToBound = rowset.GetValue<Schema::PersQueues::RangeEnd>(); 
-                } 
- 
+                if (rowset.HaveValue<Schema::PersQueues::RangeBegin>()) {
+                    if (!pqInfo.KeyRange) {
+                        pqInfo.KeyRange = {};
+                    }
+
+                    pqInfo.KeyRange->FromBound = rowset.GetValue<Schema::PersQueues::RangeBegin>();
+                }
+
+                if (rowset.HaveValue<Schema::PersQueues::RangeEnd>()) {
+                    if (!pqInfo.KeyRange) {
+                        pqInfo.KeyRange = {};
+                    }
+
+                    pqInfo.KeyRange->ToBound = rowset.GetValue<Schema::PersQueues::RangeEnd>();
+                }
+
                 auto it = Self->PersQueueGroups.find(pathId);
                 Y_VERIFY(it != Self->PersQueueGroups.end());
                 Y_VERIFY(it->second);
@@ -2321,11 +2321,11 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
                 alterData->AlterVersion = rowset.GetValue<Schema::PersQueueGroupAlters::AlterVersion>();
                 alterData->TotalGroupCount = rowset.GetValue<Schema::PersQueueGroupAlters::TotalGroupCount>();
                 alterData->NextPartitionId = rowset.GetValueOrDefault<Schema::PersQueueGroupAlters::NextPartitionId>(alterData->TotalGroupCount);
-                alterData->BootstrapConfig = rowset.GetValue<Schema::PersQueueGroupAlters::BootstrapConfig>(); 
+                alterData->BootstrapConfig = rowset.GetValue<Schema::PersQueueGroupAlters::BootstrapConfig>();
+
+                const bool ok = alterData->FillKeySchema(alterData->TabletConfig);
+                Y_VERIFY(ok);
 
-                const bool ok = alterData->FillKeySchema(alterData->TabletConfig); 
-                Y_VERIFY(ok); 
- 
                 auto it = Self->PersQueueGroups.find(pathId);
                 Y_VERIFY(it != Self->PersQueueGroups.end());
 
@@ -2717,92 +2717,92 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
             }
         }
 
-        // Read CdcStream 
-        { 
-            auto rowset = db.Table<Schema::CdcStream>().Range().Select(); 
-            if (!rowset.IsReady()) { 
-                return false; 
-            } 
- 
-            while (!rowset.EndOfSet()) { 
-                auto pathId = TPathId( 
-                    TOwnerId(rowset.GetValue<Schema::CdcStream::OwnerPathId>()), 
-                    TLocalPathId(rowset.GetValue<Schema::CdcStream::LocalPathId>()) 
-                ); 
-                auto alterVersion = rowset.GetValue<Schema::CdcStream::AlterVersion>(); 
-                auto mode = rowset.GetValue<Schema::CdcStream::Mode>(); 
-                auto state = rowset.GetValue<Schema::CdcStream::State>(); 
- 
-                Y_VERIFY_S(Self->PathsById.contains(pathId), "Path doesn't exist, pathId: " << pathId); 
-                auto path = Self->PathsById.at(pathId); 
- 
-                Y_VERIFY_S(path->IsCdcStream(), "Path is not a cdc stream" 
-                    << ", pathId: " << pathId 
+        // Read CdcStream
+        {
+            auto rowset = db.Table<Schema::CdcStream>().Range().Select();
+            if (!rowset.IsReady()) {
+                return false;
+            }
+
+            while (!rowset.EndOfSet()) {
+                auto pathId = TPathId(
+                    TOwnerId(rowset.GetValue<Schema::CdcStream::OwnerPathId>()),
+                    TLocalPathId(rowset.GetValue<Schema::CdcStream::LocalPathId>())
+                );
+                auto alterVersion = rowset.GetValue<Schema::CdcStream::AlterVersion>();
+                auto mode = rowset.GetValue<Schema::CdcStream::Mode>();
+                auto state = rowset.GetValue<Schema::CdcStream::State>();
+
+                Y_VERIFY_S(Self->PathsById.contains(pathId), "Path doesn't exist, pathId: " << pathId);
+                auto path = Self->PathsById.at(pathId);
+
+                Y_VERIFY_S(path->IsCdcStream(), "Path is not a cdc stream"
+                    << ", pathId: " << pathId
                     << ", path type: " << NKikimrSchemeOp::EPathType_Name(path->PathType));
- 
-                Y_VERIFY(!Self->CdcStreams.contains(pathId)); 
-                Self->CdcStreams[pathId] = new TCdcStreamInfo(alterVersion, mode, state); 
-                Self->IncrementPathDbRefCount(pathId); 
- 
-                if (!rowset.Next()) { 
-                    return false; 
-                } 
-            } 
-        } 
- 
-        // Read CdcStreamAlterData 
-        { 
-            auto rowset = db.Table<Schema::CdcStreamAlterData>().Range().Select(); 
-            if (!rowset.IsReady()) { 
-                return false; 
-            } 
- 
-            while (!rowset.EndOfSet()) { 
-                auto pathId = TPathId( 
-                    TOwnerId(rowset.GetValue<Schema::CdcStreamAlterData::OwnerPathId>()), 
-                    TLocalPathId(rowset.GetValue<Schema::CdcStreamAlterData::LocalPathId>()) 
-                ); 
- 
-                auto alterVersion = rowset.GetValue<Schema::CdcStreamAlterData::AlterVersion>(); 
-                auto mode = rowset.GetValue<Schema::CdcStreamAlterData::Mode>(); 
-                auto state = rowset.GetValue<Schema::CdcStreamAlterData::State>(); 
- 
-                Y_VERIFY_S(Self->PathsById.contains(pathId), "Path doesn't exist, pathId: " << pathId); 
-                auto path = Self->PathsById.at(pathId); 
- 
-                Y_VERIFY_S(path->IsCdcStream(), "Path is not a cdc stream" 
-                    << ", pathId: " << pathId 
+
+                Y_VERIFY(!Self->CdcStreams.contains(pathId));
+                Self->CdcStreams[pathId] = new TCdcStreamInfo(alterVersion, mode, state);
+                Self->IncrementPathDbRefCount(pathId);
+
+                if (!rowset.Next()) {
+                    return false;
+                }
+            }
+        }
+
+        // Read CdcStreamAlterData
+        {
+            auto rowset = db.Table<Schema::CdcStreamAlterData>().Range().Select();
+            if (!rowset.IsReady()) {
+                return false;
+            }
+
+            while (!rowset.EndOfSet()) {
+                auto pathId = TPathId(
+                    TOwnerId(rowset.GetValue<Schema::CdcStreamAlterData::OwnerPathId>()),
+                    TLocalPathId(rowset.GetValue<Schema::CdcStreamAlterData::LocalPathId>())
+                );
+
+                auto alterVersion = rowset.GetValue<Schema::CdcStreamAlterData::AlterVersion>();
+                auto mode = rowset.GetValue<Schema::CdcStreamAlterData::Mode>();
+                auto state = rowset.GetValue<Schema::CdcStreamAlterData::State>();
+
+                Y_VERIFY_S(Self->PathsById.contains(pathId), "Path doesn't exist, pathId: " << pathId);
+                auto path = Self->PathsById.at(pathId);
+
+                Y_VERIFY_S(path->IsCdcStream(), "Path is not a cdc stream"
+                    << ", pathId: " << pathId
                     << ", path type: " << NKikimrSchemeOp::EPathType_Name(path->PathType));
- 
-                if (!Self->CdcStreams.contains(pathId)) { 
-                    Y_VERIFY(alterVersion == 1); 
-                    Self->CdcStreams[pathId] = TCdcStreamInfo::New(mode); 
-                    Self->IncrementPathDbRefCount(pathId); 
-                } 
- 
-                auto stream = Self->CdcStreams.at(pathId); 
-                Y_VERIFY(stream->AlterData == nullptr); 
-                Y_VERIFY(stream->AlterVersion < alterVersion); 
-                stream->AlterData = new TCdcStreamInfo(alterVersion, mode, state); 
- 
-                Y_VERIFY_S(Self->PathsById.contains(path->ParentPathId), "Parent path is not found" 
-                    << ", cdc stream pathId: " << pathId 
-                    << ", parent pathId: " << path->ParentPathId); 
-                auto parent = Self->PathsById.at(path->ParentPathId); 
- 
-                Y_VERIFY_S(parent->IsTable(), "Parent path is not a table" 
-                    << ", cdc stream pathId: " << pathId 
-                    << ", parent pathId: " << path->ParentPathId); 
-                Y_VERIFY_S(Self->Tables.contains(path->ParentPathId), "Parent path is not found in Tables map" 
-                    << ", cdc stream pathId: " << pathId 
-                    << ", parent pathId: " << path->ParentPathId); 
- 
-                if (!rowset.Next()) { 
-                    return false; 
-                } 
-            } 
-        } 
- 
+
+                if (!Self->CdcStreams.contains(pathId)) {
+                    Y_VERIFY(alterVersion == 1);
+                    Self->CdcStreams[pathId] = TCdcStreamInfo::New(mode);
+                    Self->IncrementPathDbRefCount(pathId);
+                }
+
+                auto stream = Self->CdcStreams.at(pathId);
+                Y_VERIFY(stream->AlterData == nullptr);
+                Y_VERIFY(stream->AlterVersion < alterVersion);
+                stream->AlterData = new TCdcStreamInfo(alterVersion, mode, state);
+
+                Y_VERIFY_S(Self->PathsById.contains(path->ParentPathId), "Parent path is not found"
+                    << ", cdc stream pathId: " << pathId
+                    << ", parent pathId: " << path->ParentPathId);
+                auto parent = Self->PathsById.at(path->ParentPathId);
+
+                Y_VERIFY_S(parent->IsTable(), "Parent path is not a table"
+                    << ", cdc stream pathId: " << pathId
+                    << ", parent pathId: " << path->ParentPathId);
+                Y_VERIFY_S(Self->Tables.contains(path->ParentPathId), "Parent path is not found in Tables map"
+                    << ", cdc stream pathId: " << pathId
+                    << ", parent pathId: " << path->ParentPathId);
+
+                if (!rowset.Next()) {
+                    return false;
+                }
+            }
+        }
+
         // Read DomainsPools
         {
             auto rowset = db.Table<Schema::StoragePools>().Range().Select();
@@ -3125,8 +3125,8 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
 
                 TString extraData =     txInFlightRowset.GetValueOrDefault<Schema::TxInFlightV2::ExtraBytes>("");
                 txState.StartTime =     TInstant::MicroSeconds(txInFlightRowset.GetValueOrDefault<Schema::TxInFlightV2::StartTime>());
-                txState.DataTotalSize = txInFlightRowset.GetValueOrDefault<Schema::TxInFlightV2::DataTotalSize>(0); 
-                txState.Cancel = txInFlightRowset.GetValueOrDefault<Schema::TxInFlightV2::CancelBackup>(false); 
+                txState.DataTotalSize = txInFlightRowset.GetValueOrDefault<Schema::TxInFlightV2::DataTotalSize>(0);
+                txState.Cancel = txInFlightRowset.GetValueOrDefault<Schema::TxInFlightV2::CancelBackup>(false);
                 txState.BuildIndexId =  txInFlightRowset.GetValueOrDefault<Schema::TxInFlightV2::BuildIndexId>();
 
                 txState.SourcePathId =  TPathId(txInFlightRowset.GetValueOrDefault<Schema::TxInFlightV2::SourceOwnerId>(),
@@ -3157,9 +3157,9 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
                 if (txState.TxType == TTxState::TxCreateSubDomain) {
                     Y_VERIFY(Self->SubDomains.contains(txState.TargetPathId));
                     auto subDomainInfo = Self->SubDomains.at(txState.TargetPathId);
-                    if (txState.State <= TTxState::Propose) { 
-                        Y_VERIFY(subDomainInfo->GetAlter()); 
-                    } 
+                    if (txState.State <= TTxState::Propose) {
+                        Y_VERIFY(subDomainInfo->GetAlter());
+                    }
                 } else if (txState.TxType == TTxState::TxSplitTablePartition || txState.TxType == TTxState::TxMergeTablePartition) {
                     Y_VERIFY(!extraData.empty(), "Split Tx must have non-empty split description");
                     txState.SplitDescription = std::make_shared<NKikimrTxDataShard::TSplitMergeDescription>();
@@ -3187,24 +3187,24 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
                         tableInfo->InitAlterData();
                         tableInfo->DeserializeAlterExtraData(extraData);
                     }
-                } else if (txState.TxType == TTxState::TxBackup || txState.TxType == TTxState::TxRestore) { 
-                    auto byShardBackupStatus = db.Table<Schema::ShardBackupStatus>().Range(operationId.GetTxId()).Select(); 
-                    auto byMigratedShardBackupStatus = db.Table<Schema::MigratedShardBackupStatus>().Range(operationId.GetTxId()).Select(); 
-                    auto byTxShardStatus = db.Table<Schema::TxShardStatus>().Range(operationId.GetTxId()).Select(); 
+                } else if (txState.TxType == TTxState::TxBackup || txState.TxType == TTxState::TxRestore) {
+                    auto byShardBackupStatus = db.Table<Schema::ShardBackupStatus>().Range(operationId.GetTxId()).Select();
+                    auto byMigratedShardBackupStatus = db.Table<Schema::MigratedShardBackupStatus>().Range(operationId.GetTxId()).Select();
+                    auto byTxShardStatus = db.Table<Schema::TxShardStatus>().Range(operationId.GetTxId()).Select();
 
-                    TShardBackupStatusRows statuses; 
-                    if (!LoadBackupStatusesImpl(statuses, byShardBackupStatus, byMigratedShardBackupStatus, byTxShardStatus)) { 
+                    TShardBackupStatusRows statuses;
+                    if (!LoadBackupStatusesImpl(statuses, byShardBackupStatus, byMigratedShardBackupStatus, byTxShardStatus)) {
                         return false;
                     }
 
-                    for (auto& rec : statuses) { 
-                        auto shardIdx = std::get<1>(rec); 
-                        auto success = std::get<2>(rec); 
-                        auto error = std::get<3>(rec); 
-                        auto bytes = std::get<4>(rec); 
-                        auto rows = std::get<5>(rec); 
+                    for (auto& rec : statuses) {
+                        auto shardIdx = std::get<1>(rec);
+                        auto success = std::get<2>(rec);
+                        auto error = std::get<3>(rec);
+                        auto bytes = std::get<4>(rec);
+                        auto rows = std::get<5>(rec);
 
-                        txState.ShardStatuses[shardIdx] = TTxState::TShardStatus(success, error, bytes, rows); 
+                        txState.ShardStatuses[shardIdx] = TTxState::TShardStatus(success, error, bytes, rows);
                     }
                 } else if (txState.TxType == TTxState::TxForceDropSubDomain || txState.TxType == TTxState::TxForceDropExtSubDomain) {
                     forceDropOpIds.push_back(operationId);
@@ -3320,10 +3320,10 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
                         txState->TxType != TTxState::TxDropOlapTable &&
                         txState->TxType != TTxState::TxCreateSequence &&
                         txState->TxType != TTxState::TxAlterSequence &&
-                        txState->TxType != TTxState::TxDropSequence && 
-                        txState->TxType != TTxState::TxCreateReplication && 
-                        txState->TxType != TTxState::TxAlterReplication && 
-                        txState->TxType != TTxState::TxDropReplication) 
+                        txState->TxType != TTxState::TxDropSequence &&
+                        txState->TxType != TTxState::TxCreateReplication &&
+                        txState->TxType != TTxState::TxAlterReplication &&
+                        txState->TxType != TTxState::TxDropReplication)
                     {
                         Y_VERIFY_S(txState->TxType == TTxState::TxCopyTable, "Only CopyTable Tx can have participating shards from a different table"
                                        << ", txId: " << operationId.GetTxId()
@@ -3435,77 +3435,77 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
                 TPathId pathId = std::get<0>(rec);
                 TString tableName = std::get<1>(rec);
                 TString ytSerializedSettings = std::get<2>(rec);
-                TString s3SerializedSettings = std::get<3>(rec); 
-                TString scanSettings = std::get<4>(rec); 
-                bool needToBill = std::get<5>(rec); 
-                TString tableDesc = std::get<6>(rec); 
-                ui32 nRetries = std::get<7>(rec); 
+                TString s3SerializedSettings = std::get<3>(rec);
+                TString scanSettings = std::get<4>(rec);
+                bool needToBill = std::get<5>(rec);
+                TString tableDesc = std::get<6>(rec);
+                ui32 nRetries = std::get<7>(rec);
 
                 Y_VERIFY(tableName.size() > 0);
 
                 TTableInfo::TPtr tableInfo = Self->Tables.at(pathId);
                 Y_VERIFY(tableInfo.Get() != nullptr);
- 
+
                 tableInfo->BackupSettings.SetTableName(tableName);
-                tableInfo->BackupSettings.SetNeedToBill(needToBill); 
-                tableInfo->BackupSettings.SetNumberOfRetries(nRetries); 
-
-                if (ytSerializedSettings) { 
-                    auto settings = tableInfo->BackupSettings.MutableYTSettings(); 
-                    Y_VERIFY(ParseFromStringNoSizeLimit(*settings, ytSerializedSettings)); 
-                } else if (s3SerializedSettings) { 
-                    auto settings = tableInfo->BackupSettings.MutableS3Settings(); 
-                    Y_VERIFY(ParseFromStringNoSizeLimit(*settings, s3SerializedSettings)); 
-                } else { 
-                    Y_FAIL("Unknown settings"); 
-                } 
- 
-                if (scanSettings) { 
-                    auto settings = tableInfo->BackupSettings.MutableScanSettings(); 
-                    Y_VERIFY(ParseFromStringNoSizeLimit(*settings, scanSettings)); 
-                } 
- 
-                if (tableDesc) { 
-                    auto desc = tableInfo->BackupSettings.MutableTable(); 
-                    Y_VERIFY(ParseFromStringNoSizeLimit(*desc, tableDesc)); 
-                } 
- 
+                tableInfo->BackupSettings.SetNeedToBill(needToBill);
+                tableInfo->BackupSettings.SetNumberOfRetries(nRetries);
+
+                if (ytSerializedSettings) {
+                    auto settings = tableInfo->BackupSettings.MutableYTSettings();
+                    Y_VERIFY(ParseFromStringNoSizeLimit(*settings, ytSerializedSettings));
+                } else if (s3SerializedSettings) {
+                    auto settings = tableInfo->BackupSettings.MutableS3Settings();
+                    Y_VERIFY(ParseFromStringNoSizeLimit(*settings, s3SerializedSettings));
+                } else {
+                    Y_FAIL("Unknown settings");
+                }
+
+                if (scanSettings) {
+                    auto settings = tableInfo->BackupSettings.MutableScanSettings();
+                    Y_VERIFY(ParseFromStringNoSizeLimit(*settings, scanSettings));
+                }
+
+                if (tableDesc) {
+                    auto desc = tableInfo->BackupSettings.MutableTable();
+                    Y_VERIFY(ParseFromStringNoSizeLimit(*desc, tableDesc));
+                }
+
                 LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "Loaded backup settings"
                                 << ", pathId: " << pathId
                                 << ", tablename: " << tableName.data());
             }
         }
 
-        // Read restore tasks 
+        // Read restore tasks
         {
-            auto rowSet = db.Table<Schema::RestoreTasks>().Range().Select(); 
-            if (!rowSet.IsReady()) { 
-                return false; 
-            } 
- 
-            while (!rowSet.EndOfSet()) { 
-                auto pathId = TPathId( 
-                    rowSet.GetValue<Schema::RestoreTasks::OwnerPathId>(), 
-                    rowSet.GetValue<Schema::RestoreTasks::LocalPathId>()); 
-                auto task = rowSet.GetValue<Schema::RestoreTasks::Task>(); 
- 
-                TTableInfo::TPtr tableInfo = Self->Tables.at(pathId); 
-                Y_VERIFY(tableInfo.Get() != nullptr); 
-                Y_VERIFY(ParseFromStringNoSizeLimit(tableInfo->RestoreSettings, task)); 
- 
-                LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                            "Loaded restore task" 
-                                << ", pathId: " << pathId); 
- 
-                if (!rowSet.Next()) { 
-                    return false; 
-                } 
-            } 
-        } 
- 
+            auto rowSet = db.Table<Schema::RestoreTasks>().Range().Select();
+            if (!rowSet.IsReady()) {
+                return false;
+            }
+
+            while (!rowSet.EndOfSet()) {
+                auto pathId = TPathId(
+                    rowSet.GetValue<Schema::RestoreTasks::OwnerPathId>(),
+                    rowSet.GetValue<Schema::RestoreTasks::LocalPathId>());
+                auto task = rowSet.GetValue<Schema::RestoreTasks::Task>();
+
+                TTableInfo::TPtr tableInfo = Self->Tables.at(pathId);
+                Y_VERIFY(tableInfo.Get() != nullptr);
+                Y_VERIFY(ParseFromStringNoSizeLimit(tableInfo->RestoreSettings, task));
+
+                LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                            "Loaded restore task"
+                                << ", pathId: " << pathId);
+
+                if (!rowSet.Next()) {
+                    return false;
+                }
+            }
+        }
+
         // Read security state
         NLoginProto::TSecurityState securityState;
-        { 
+        {
             auto rowset = db.Table<Schema::LoginKeys>().Select();
 
             if (!rowset.IsReady()) {
@@ -3579,17 +3579,17 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
                 statusesByTxId[txId].push_back(rec);
             }
 
-            TCompletedBackupRestoreRows history; 
-            if (!LoadBackupRestoreHistory(db, history)) { 
+            TCompletedBackupRestoreRows history;
+            if (!LoadBackupRestoreHistory(db, history)) {
                 return false;
             }
 
             LOG_NOTICE_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                          "TTxInit for CompletedBackup"
-                             << ", readed records: " << history.size() 
+                             << ", readed records: " << history.size()
                              << ", at schemeshard: " << Self->TabletID());
 
-            for (auto& rec: history) { 
+            for (auto& rec: history) {
                 auto pathId = std::get<0>(rec);
                 auto txId = std::get<1>(rec);
                 auto completeTime = std::get<2>(rec);
@@ -3597,15 +3597,15 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
                 auto successShardsCount = std::get<3>(rec);
                 auto totalShardCount = std::get<4>(rec);
                 auto startTime = std::get<5>(rec);
-                auto dataSize = std::get<6>(rec); 
-                auto kind = static_cast<TTableInfo::TBackupRestoreResult::EKind>(std::get<7>(rec)); 
+                auto dataSize = std::get<6>(rec);
+                auto kind = static_cast<TTableInfo::TBackupRestoreResult::EKind>(std::get<7>(rec));
 
-                TTableInfo::TBackupRestoreResult info; 
-                info.CompletionDateTime = completeTime; 
-                info.TotalShardCount = totalShardCount; 
-                info.SuccessShardCount = successShardsCount; 
-                info.StartDateTime = startTime; 
-                info.DataTotalSize = dataSize; 
+                TTableInfo::TBackupRestoreResult info;
+                info.CompletionDateTime = completeTime;
+                info.TotalShardCount = totalShardCount;
+                info.SuccessShardCount = successShardsCount;
+                info.StartDateTime = startTime;
+                info.DataTotalSize = dataSize;
 
                 if (!Self->Tables.FindPtr(pathId)) {
                     LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
@@ -3614,29 +3614,29 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
                                     << ", txid: " << txId);
                     continue;
                 }
- 
+
                 TTableInfo::TPtr tableInfo = Self->Tables.at(pathId);
 
                 if (statusesByTxId.contains(txId)) {
                     for (auto& recByTxId: statusesByTxId.at(txId)) {
                         auto shardIdx = std::get<1>(recByTxId);
-                        auto success = std::get<2>(recByTxId); 
-                        auto error = std::get<3>(recByTxId); 
-                        auto bytes = std::get<4>(recByTxId); 
-                        auto rows = std::get<5>(recByTxId); 
+                        auto success = std::get<2>(recByTxId);
+                        auto error = std::get<3>(recByTxId);
+                        auto bytes = std::get<4>(recByTxId);
+                        auto rows = std::get<5>(recByTxId);
 
-                        info.ShardStatuses[shardIdx] = TTxState::TShardStatus(success, error, bytes, rows); 
+                        info.ShardStatuses[shardIdx] = TTxState::TShardStatus(success, error, bytes, rows);
                     }
                 }
 
-                switch (kind) { 
-                case TTableInfo::TBackupRestoreResult::EKind::Backup: 
-                    tableInfo->BackupHistory[txId] = std::move(info); 
-                    break; 
-                case TTableInfo::TBackupRestoreResult::EKind::Restore: 
-                    tableInfo->RestoreHistory[txId] = std::move(info); 
-                    break; 
-                } 
+                switch (kind) {
+                case TTableInfo::TBackupRestoreResult::EKind::Backup:
+                    tableInfo->BackupHistory[txId] = std::move(info);
+                    break;
+                case TTableInfo::TBackupRestoreResult::EKind::Restore:
+                    tableInfo->RestoreHistory[txId] = std::move(info);
+                    break;
+                }
 
                 LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                             "Loaded completed backup status"
@@ -3720,10 +3720,10 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
                 Self->TabletCounters->Simple()[COUNTER_SEQUENCESHARD_COUNT].Add(1);
                 domainInfo->AddSequenceShard(shardIdx);
                 break;
-            case ETabletType::ReplicationController: 
-                Self->TabletCounters->Simple()[COUNTER_REPLICATION_CONTROLLER_COUNT].Add(1); 
-                domainInfo->AddReplicationController(shardIdx); 
-                break; 
+            case ETabletType::ReplicationController:
+                Self->TabletCounters->Simple()[COUNTER_REPLICATION_CONTROLLER_COUNT].Add(1);
+                domainInfo->AddReplicationController(shardIdx);
+                break;
             default:
                 Y_FAIL_S("dont know how to interpret tablet type"
                          << ", type id: " << (ui32)si.second.TabletType
@@ -3803,8 +3803,8 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
                 Self->TabletCounters->Simple()[COUNTER_OLAP_TABLE_COUNT].Add(1);
             } else if (path->IsSequence()) {
                 Self->TabletCounters->Simple()[COUNTER_SEQUENCE_COUNT].Add(1);
-            } else if (path->IsReplication()) { 
-                Self->TabletCounters->Simple()[COUNTER_REPLICATION_COUNT].Add(1); 
+            } else if (path->IsReplication()) {
+                Self->TabletCounters->Simple()[COUNTER_REPLICATION_COUNT].Add(1);
             }
 
             path->ApplySpecialAttributes();
@@ -3828,235 +3828,235 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
             Self->TabletCounters->Simple()[inFlightCounter].Add(1);
         }
 
-        // Publications 
-        { 
+        // Publications
+        {
             TPublicationsRows publicationRows;
             if (!LoadPublications(db, publicationRows)) {
-                return false; 
-            } 
- 
+                return false;
+            }
+
             LOG_NOTICE_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                          "TTxInit for Publications"
                              << ", readed records: " << publicationRows.size()
                              << ", at schemeshard: " << Self->TabletID());
- 
+
             for (auto& rec: publicationRows) {
                 TTxId txId = std::get<0>(rec);
                 TPathId pathId = std::get<1>(rec);
                 ui64 version = std::get<2>(rec);
 
-                LOG_NOTICE_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                             "Resume publishing for paths" 
-                                 << ", tx: " << txId 
-                                 << ", path id: " << pathId 
-                                 << ", version: " << version 
-                                 << ", at schemeshard: " << Self->TabletID()); 
- 
-                if (Self->Operations.contains(txId)) { 
-                    TOperation::TPtr operation = Self->Operations.at(txId); 
-                    operation->AddPublishingPath(pathId, version); 
-                } else { 
-                    Self->Publications[txId].Paths.emplace(pathId, version); 
-                } 
- 
-                Publications[txId].push_back(pathId); 
+                LOG_NOTICE_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                             "Resume publishing for paths"
+                                 << ", tx: " << txId
+                                 << ", path id: " << pathId
+                                 << ", version: " << version
+                                 << ", at schemeshard: " << Self->TabletID());
+
+                if (Self->Operations.contains(txId)) {
+                    TOperation::TPtr operation = Self->Operations.at(txId);
+                    operation->AddPublishingPath(pathId, version);
+                } else {
+                    Self->Publications[txId].Paths.emplace(pathId, version);
+                }
+
+                Publications[txId].push_back(pathId);
                 Self->IncrementPathDbRefCount(pathId);
-            } 
-        } 
- 
-        // Read exports 
-        { 
-            // read main info 
-            { 
-                auto rowset = db.Table<Schema::Exports>().Range().Select(); 
-                if (!rowset.IsReady()) { 
-                    return false; 
-                } 
- 
-                while (!rowset.EndOfSet()) { 
-                    ui64 id = rowset.GetValue<Schema::Exports::Id>(); 
-                    TString uid = rowset.GetValue<Schema::Exports::Uid>(); 
-                    TExportInfo::EKind kind = static_cast<TExportInfo::EKind>(rowset.GetValueOrDefault<Schema::Exports::Kind>(0)); 
-                    TString settings = rowset.GetValue<Schema::Exports::Settings>(); 
+            }
+        }
+
+        // Read exports
+        {
+            // read main info
+            {
+                auto rowset = db.Table<Schema::Exports>().Range().Select();
+                if (!rowset.IsReady()) {
+                    return false;
+                }
+
+                while (!rowset.EndOfSet()) {
+                    ui64 id = rowset.GetValue<Schema::Exports::Id>();
+                    TString uid = rowset.GetValue<Schema::Exports::Uid>();
+                    TExportInfo::EKind kind = static_cast<TExportInfo::EKind>(rowset.GetValueOrDefault<Schema::Exports::Kind>(0));
+                    TString settings = rowset.GetValue<Schema::Exports::Settings>();
                     auto domainPathId = TPathId(rowset.GetValueOrDefault<Schema::Exports::DomainPathOwnerId>(selfId),
                                                 rowset.GetValue<Schema::Exports::DomainPathId>());
- 
-                    TExportInfo::TPtr exportInfo = new TExportInfo(id, uid, kind, settings, domainPathId); 
- 
-                    if (rowset.HaveValue<Schema::Exports::UserSID>()) { 
-                        exportInfo->UserSID = rowset.GetValue<Schema::Exports::UserSID>(); 
-                    } 
- 
-                    ui32 items = rowset.GetValue<Schema::Exports::Items>(); 
-                    exportInfo->Items.resize(items); 
- 
+
+                    TExportInfo::TPtr exportInfo = new TExportInfo(id, uid, kind, settings, domainPathId);
+
+                    if (rowset.HaveValue<Schema::Exports::UserSID>()) {
+                        exportInfo->UserSID = rowset.GetValue<Schema::Exports::UserSID>();
+                    }
+
+                    ui32 items = rowset.GetValue<Schema::Exports::Items>();
+                    exportInfo->Items.resize(items);
+
                     exportInfo->ExportPathId = TPathId(rowset.GetValueOrDefault<Schema::Exports::ExportOwnerPathId>(selfId),
                                                        rowset.GetValueOrDefault<Schema::Exports::ExportPathId>(InvalidLocalPathId));
                     if (exportInfo->ExportPathId.LocalPathId == InvalidLocalPathId) {
                         exportInfo->ExportPathId = InvalidPathId;
                     }
-                    exportInfo->State = static_cast<TExportInfo::EState>(rowset.GetValue<Schema::Exports::State>()); 
-                    exportInfo->WaitTxId = rowset.GetValueOrDefault<Schema::Exports::WaitTxId>(InvalidTxId); 
-                    exportInfo->Issue = rowset.GetValueOrDefault<Schema::Exports::Issue>(TString()); 
- 
-                    Self->Exports[id] = exportInfo; 
-                    if (uid) { 
-                        Self->ExportsByUid[uid] = exportInfo; 
-                    } 
- 
-                    if (exportInfo->WaitTxId != InvalidTxId) { 
-                        Self->TxIdToExport[exportInfo->WaitTxId] = {id, Max<ui32>()}; 
-                    } 
- 
-                    if (exportInfo->IsInProgress()) { 
-                        ExportsToResume.push_back(exportInfo->Id); 
-                    } 
- 
-                    if (!rowset.Next()) { 
-                        return false; 
-                    } 
-                } 
-            } 
- 
-            // read items info 
-            { 
-                auto rowset = db.Table<Schema::ExportItems>().Range().Select(); 
-                if (!rowset.IsReady()) { 
-                    return false; 
-                } 
- 
-                while (!rowset.EndOfSet()) { 
-                    ui64 exportId = rowset.GetValue<Schema::ExportItems::ExportId>(); 
-                    Y_VERIFY_S(Self->Exports.contains(exportId), "Export not found" 
-                               << ": exportId# " << exportId); 
- 
-                    TExportInfo::TPtr exportInfo = Self->Exports.at(exportId); 
- 
-                    ui32 itemIdx = rowset.GetValue<Schema::ExportItems::Index>(); 
-                    Y_VERIFY_S(itemIdx < exportInfo->Items.size(), "Invalid item's index" 
-                               << ": exportId# " << exportId 
-                               << ", itemIdx# " << itemIdx); 
- 
-                    TExportInfo::TItem& item = exportInfo->Items[itemIdx]; 
-                    item.SourcePathName = rowset.GetValue<Schema::ExportItems::SourcePathName>(); 
- 
+                    exportInfo->State = static_cast<TExportInfo::EState>(rowset.GetValue<Schema::Exports::State>());
+                    exportInfo->WaitTxId = rowset.GetValueOrDefault<Schema::Exports::WaitTxId>(InvalidTxId);
+                    exportInfo->Issue = rowset.GetValueOrDefault<Schema::Exports::Issue>(TString());
+
+                    Self->Exports[id] = exportInfo;
+                    if (uid) {
+                        Self->ExportsByUid[uid] = exportInfo;
+                    }
+
+                    if (exportInfo->WaitTxId != InvalidTxId) {
+                        Self->TxIdToExport[exportInfo->WaitTxId] = {id, Max<ui32>()};
+                    }
+
+                    if (exportInfo->IsInProgress()) {
+                        ExportsToResume.push_back(exportInfo->Id);
+                    }
+
+                    if (!rowset.Next()) {
+                        return false;
+                    }
+                }
+            }
+
+            // read items info
+            {
+                auto rowset = db.Table<Schema::ExportItems>().Range().Select();
+                if (!rowset.IsReady()) {
+                    return false;
+                }
+
+                while (!rowset.EndOfSet()) {
+                    ui64 exportId = rowset.GetValue<Schema::ExportItems::ExportId>();
+                    Y_VERIFY_S(Self->Exports.contains(exportId), "Export not found"
+                               << ": exportId# " << exportId);
+
+                    TExportInfo::TPtr exportInfo = Self->Exports.at(exportId);
+
+                    ui32 itemIdx = rowset.GetValue<Schema::ExportItems::Index>();
+                    Y_VERIFY_S(itemIdx < exportInfo->Items.size(), "Invalid item's index"
+                               << ": exportId# " << exportId
+                               << ", itemIdx# " << itemIdx);
+
+                    TExportInfo::TItem& item = exportInfo->Items[itemIdx];
+                    item.SourcePathName = rowset.GetValue<Schema::ExportItems::SourcePathName>();
+
                     item.SourcePathId.OwnerId = rowset.GetValueOrDefault<Schema::ExportItems::SourceOwnerPathId>(selfId);
                     item.SourcePathId.LocalPathId = rowset.GetValue<Schema::ExportItems::SourcePathId>();
 
-                    item.State = static_cast<TExportInfo::EState>(rowset.GetValue<Schema::ExportItems::State>()); 
-                    item.WaitTxId = rowset.GetValueOrDefault<Schema::ExportItems::BackupTxId>(InvalidTxId); 
-                    item.Issue = rowset.GetValueOrDefault<Schema::ExportItems::Issue>(TString()); 
- 
-                    if (item.State <= TExportInfo::EState::Transferring && item.WaitTxId == InvalidTxId) { 
-                        exportInfo->PendingItems.push_back(itemIdx); 
-                    } else if (item.WaitTxId != InvalidTxId) { 
-                        Self->TxIdToExport[item.WaitTxId] = {exportId, itemIdx}; 
-                    } 
- 
-                    if (!rowset.Next()) { 
-                        return false; 
-                    } 
-                } 
-            } 
-        } 
- 
-        // Read imports 
-        { 
-            // read main info 
-            { 
-                auto rowset = db.Table<Schema::Imports>().Range().Select(); 
-                if (!rowset.IsReady()) { 
-                    return false; 
-                } 
- 
-                while (!rowset.EndOfSet()) { 
-                    ui64 id = rowset.GetValue<Schema::Imports::Id>(); 
-                    TString uid = rowset.GetValue<Schema::Imports::Uid>(); 
-                    TImportInfo::EKind kind = static_cast<TImportInfo::EKind>(rowset.GetValue<Schema::Imports::Kind>()); 
-                    auto domainPathId = TPathId(rowset.GetValue<Schema::Imports::DomainPathOwnerId>(), 
-                                                rowset.GetValue<Schema::Imports::DomainPathLocalId>()); 
- 
-                    Ydb::Import::ImportFromS3Settings settings; 
-                    Y_VERIFY(ParseFromStringNoSizeLimit(settings, rowset.GetValue<Schema::Imports::Settings>())); 
- 
-                    TImportInfo::TPtr importInfo = new TImportInfo(id, uid, kind, settings, domainPathId); 
- 
-                    if (rowset.HaveValue<Schema::Imports::UserSID>()) { 
-                        importInfo->UserSID = rowset.GetValue<Schema::Imports::UserSID>(); 
-                    } 
- 
-                    ui32 items = rowset.GetValue<Schema::Imports::Items>(); 
-                    importInfo->Items.resize(items); 
- 
-                    importInfo->State = static_cast<TImportInfo::EState>(rowset.GetValue<Schema::Imports::State>()); 
-                    importInfo->Issue = rowset.GetValueOrDefault<Schema::Imports::Issue>(TString()); 
- 
-                    Self->Imports[id] = importInfo; 
-                    if (uid) { 
-                        Self->ImportsByUid[uid] = importInfo; 
-                    } 
- 
-                    switch (importInfo->State) { 
-                    case TImportInfo::EState::Waiting: 
-                    case TImportInfo::EState::Cancellation: 
-                        ImportsToResume.push_back(importInfo->Id); 
-                        break; 
-                    default: 
-                        break; 
-                    } 
- 
-                    if (!rowset.Next()) { 
-                        return false; 
-                    } 
-                } 
-            } 
- 
-            // read items info 
-            { 
-                auto rowset = db.Table<Schema::ImportItems>().Range().Select(); 
-                if (!rowset.IsReady()) { 
-                    return false; 
-                } 
- 
-                while (!rowset.EndOfSet()) { 
-                    ui64 importId = rowset.GetValue<Schema::ImportItems::ImportId>(); 
-                    Y_VERIFY_S(Self->Imports.contains(importId), "Import not found" 
-                               << ": importId# " << importId); 
- 
-                    TImportInfo::TPtr importInfo = Self->Imports.at(importId); 
- 
-                    ui32 itemIdx = rowset.GetValue<Schema::ImportItems::Index>(); 
-                    Y_VERIFY_S(itemIdx < importInfo->Items.size(), "Invalid item's index" 
-                               << ": importId# " << importId 
-                               << ", itemIdx# " << itemIdx); 
- 
-                    TImportInfo::TItem& item = importInfo->Items[itemIdx]; 
-                    item.DstPathName = rowset.GetValue<Schema::ImportItems::DstPathName>(); 
-                    item.DstPathId = TPathId(rowset.GetValueOrDefault<Schema::ImportItems::DstPathOwnerId>(InvalidOwnerId), 
-                                             rowset.GetValueOrDefault<Schema::ImportItems::DstPathLocalId>(InvalidLocalPathId)); 
- 
-                    if (rowset.HaveValue<Schema::ImportItems::Scheme>()) { 
-                        Ydb::Table::CreateTableRequest scheme; 
-                        Y_VERIFY(ParseFromStringNoSizeLimit(scheme, rowset.GetValue<Schema::ImportItems::Scheme>())); 
-                        item.Scheme = scheme; 
-                    } 
- 
-                    item.State = static_cast<TImportInfo::EState>(rowset.GetValue<Schema::ImportItems::State>()); 
-                    item.WaitTxId = rowset.GetValueOrDefault<Schema::ImportItems::WaitTxId>(InvalidTxId); 
-                    item.NextIndexIdx = rowset.GetValueOrDefault<Schema::ImportItems::NextIndexIdx>(0); 
-                    item.Issue = rowset.GetValueOrDefault<Schema::ImportItems::Issue>(TString()); 
- 
-                    if (item.WaitTxId != InvalidTxId) { 
-                        Self->TxIdToImport[item.WaitTxId] = {importId, itemIdx}; 
-                    } 
- 
-                    if (!rowset.Next()) { 
-                        return false; 
-                    } 
-                } 
-            } 
-        } 
- 
+                    item.State = static_cast<TExportInfo::EState>(rowset.GetValue<Schema::ExportItems::State>());
+                    item.WaitTxId = rowset.GetValueOrDefault<Schema::ExportItems::BackupTxId>(InvalidTxId);
+                    item.Issue = rowset.GetValueOrDefault<Schema::ExportItems::Issue>(TString());
+
+                    if (item.State <= TExportInfo::EState::Transferring && item.WaitTxId == InvalidTxId) {
+                        exportInfo->PendingItems.push_back(itemIdx);
+                    } else if (item.WaitTxId != InvalidTxId) {
+                        Self->TxIdToExport[item.WaitTxId] = {exportId, itemIdx};
+                    }
+
+                    if (!rowset.Next()) {
+                        return false;
+                    }
+                }
+            }
+        }
+
+        // Read imports
+        {
+            // read main info
+            {
+                auto rowset = db.Table<Schema::Imports>().Range().Select();
+                if (!rowset.IsReady()) {
+                    return false;
+                }
+
+                while (!rowset.EndOfSet()) {
+                    ui64 id = rowset.GetValue<Schema::Imports::Id>();
+                    TString uid = rowset.GetValue<Schema::Imports::Uid>();
+                    TImportInfo::EKind kind = static_cast<TImportInfo::EKind>(rowset.GetValue<Schema::Imports::Kind>());
+                    auto domainPathId = TPathId(rowset.GetValue<Schema::Imports::DomainPathOwnerId>(),
+                                                rowset.GetValue<Schema::Imports::DomainPathLocalId>());
+
+                    Ydb::Import::ImportFromS3Settings settings;
+                    Y_VERIFY(ParseFromStringNoSizeLimit(settings, rowset.GetValue<Schema::Imports::Settings>()));
+
+                    TImportInfo::TPtr importInfo = new TImportInfo(id, uid, kind, settings, domainPathId);
+
+                    if (rowset.HaveValue<Schema::Imports::UserSID>()) {
+                        importInfo->UserSID = rowset.GetValue<Schema::Imports::UserSID>();
+                    }
+
+                    ui32 items = rowset.GetValue<Schema::Imports::Items>();
+                    importInfo->Items.resize(items);
+
+                    importInfo->State = static_cast<TImportInfo::EState>(rowset.GetValue<Schema::Imports::State>());
+                    importInfo->Issue = rowset.GetValueOrDefault<Schema::Imports::Issue>(TString());
+
+                    Self->Imports[id] = importInfo;
+                    if (uid) {
+                        Self->ImportsByUid[uid] = importInfo;
+                    }
+
+                    switch (importInfo->State) {
+                    case TImportInfo::EState::Waiting:
+                    case TImportInfo::EState::Cancellation:
+                        ImportsToResume.push_back(importInfo->Id);
+                        break;
+                    default:
+                        break;
+                    }
+
+                    if (!rowset.Next()) {
+                        return false;
+                    }
+                }
+            }
+
+            // read items info
+            {
+                auto rowset = db.Table<Schema::ImportItems>().Range().Select();
+                if (!rowset.IsReady()) {
+                    return false;
+                }
+
+                while (!rowset.EndOfSet()) {
+                    ui64 importId = rowset.GetValue<Schema::ImportItems::ImportId>();
+                    Y_VERIFY_S(Self->Imports.contains(importId), "Import not found"
+                               << ": importId# " << importId);
+
+                    TImportInfo::TPtr importInfo = Self->Imports.at(importId);
+
+                    ui32 itemIdx = rowset.GetValue<Schema::ImportItems::Index>();
+                    Y_VERIFY_S(itemIdx < importInfo->Items.size(), "Invalid item's index"
+                               << ": importId# " << importId
+                               << ", itemIdx# " << itemIdx);
+
+                    TImportInfo::TItem& item = importInfo->Items[itemIdx];
+                    item.DstPathName = rowset.GetValue<Schema::ImportItems::DstPathName>();
+                    item.DstPathId = TPathId(rowset.GetValueOrDefault<Schema::ImportItems::DstPathOwnerId>(InvalidOwnerId),
+                                             rowset.GetValueOrDefault<Schema::ImportItems::DstPathLocalId>(InvalidLocalPathId));
+
+                    if (rowset.HaveValue<Schema::ImportItems::Scheme>()) {
+                        Ydb::Table::CreateTableRequest scheme;
+                        Y_VERIFY(ParseFromStringNoSizeLimit(scheme, rowset.GetValue<Schema::ImportItems::Scheme>()));
+                        item.Scheme = scheme;
+                    }
+
+                    item.State = static_cast<TImportInfo::EState>(rowset.GetValue<Schema::ImportItems::State>());
+                    item.WaitTxId = rowset.GetValueOrDefault<Schema::ImportItems::WaitTxId>(InvalidTxId);
+                    item.NextIndexIdx = rowset.GetValueOrDefault<Schema::ImportItems::NextIndexIdx>(0);
+                    item.Issue = rowset.GetValueOrDefault<Schema::ImportItems::Issue>(TString());
+
+                    if (item.WaitTxId != InvalidTxId) {
+                        Self->TxIdToImport[item.WaitTxId] = {importId, itemIdx};
+                    }
+
+                    if (!rowset.Next()) {
+                        return false;
+                    }
+                }
+            }
+        }
+
         // Read index build
         {
             // read main info
@@ -4468,53 +4468,53 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
             }
         }
 
-        // Read replications 
-        { 
-            auto rowset = db.Table<Schema::Replications>().Select(); 
-            if (!rowset.IsReady()) { 
-                return false; 
-            } 
- 
-            while (!rowset.EndOfSet()) { 
-                TPathId pathId = Self->MakeLocalId(rowset.GetValue<Schema::Replications::PathId>()); 
-                ui64 alterVersion = rowset.GetValue<Schema::Replications::AlterVersion>(); 
-                NKikimrSchemeOp::TReplicationDescription description; 
-                Y_VERIFY(description.ParseFromString(rowset.GetValue<Schema::Replications::Description>())); 
- 
-                TReplicationInfo::TPtr replicationInfo = new TReplicationInfo(alterVersion, std::move(description)); 
-                Self->Replications[pathId] = replicationInfo; 
-                Self->IncrementPathDbRefCount(pathId); 
- 
-                if (!rowset.Next()) { 
-                    return false; 
-                } 
-            } 
-        } 
- 
-        // Read replication alters 
-        { 
-            auto rowset = db.Table<Schema::ReplicationsAlterData>().Select(); 
-            if (!rowset.IsReady()) { 
-                return false; 
-            } 
- 
-            while (!rowset.EndOfSet()) { 
-                TPathId pathId = Self->MakeLocalId(rowset.GetValue<Schema::ReplicationsAlterData::PathId>()); 
-                ui64 alterVersion = rowset.GetValue<Schema::ReplicationsAlterData::AlterVersion>(); 
-                NKikimrSchemeOp::TReplicationDescription description; 
-                Y_VERIFY(description.ParseFromString(rowset.GetValue<Schema::ReplicationsAlterData::Description>())); 
- 
-                TReplicationInfo::TPtr alterData = new TReplicationInfo(alterVersion, std::move(description)); 
-                Y_VERIFY_S(Self->Replications.contains(pathId), 
-                    "Cannot load alter for replication " << pathId); 
-                Self->Replications[pathId]->AlterData = alterData; 
- 
-                if (!rowset.Next()) { 
-                    return false; 
-                } 
-            } 
-        } 
- 
+        // Read replications
+        {
+            auto rowset = db.Table<Schema::Replications>().Select();
+            if (!rowset.IsReady()) {
+                return false;
+            }
+
+            while (!rowset.EndOfSet()) {
+                TPathId pathId = Self->MakeLocalId(rowset.GetValue<Schema::Replications::PathId>());
+                ui64 alterVersion = rowset.GetValue<Schema::Replications::AlterVersion>();
+                NKikimrSchemeOp::TReplicationDescription description;
+                Y_VERIFY(description.ParseFromString(rowset.GetValue<Schema::Replications::Description>()));
+
+                TReplicationInfo::TPtr replicationInfo = new TReplicationInfo(alterVersion, std::move(description));
+                Self->Replications[pathId] = replicationInfo;
+                Self->IncrementPathDbRefCount(pathId);
+
+                if (!rowset.Next()) {
+                    return false;
+                }
+            }
+        }
+
+        // Read replication alters
+        {
+            auto rowset = db.Table<Schema::ReplicationsAlterData>().Select();
+            if (!rowset.IsReady()) {
+                return false;
+            }
+
+            while (!rowset.EndOfSet()) {
+                TPathId pathId = Self->MakeLocalId(rowset.GetValue<Schema::ReplicationsAlterData::PathId>());
+                ui64 alterVersion = rowset.GetValue<Schema::ReplicationsAlterData::AlterVersion>();
+                NKikimrSchemeOp::TReplicationDescription description;
+                Y_VERIFY(description.ParseFromString(rowset.GetValue<Schema::ReplicationsAlterData::Description>()));
+
+                TReplicationInfo::TPtr alterData = new TReplicationInfo(alterVersion, std::move(description));
+                Y_VERIFY_S(Self->Replications.contains(pathId),
+                    "Cannot load alter for replication " << pathId);
+                Self->Replications[pathId]->AlterData = alterData;
+
+                if (!rowset.Next()) {
+                    return false;
+                }
+            }
+        }
+
         for (auto& item : Self->Operations) {
             auto& operation = item.second;
             LOG_NOTICE_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
@@ -4564,10 +4564,10 @@ struct TSchemeShard::TTxInit : public TTransactionBase<TSchemeShard> {
 
     void Complete(const TActorContext &ctx) override {
         auto delayPublications = OnComplete.ExtractPublicationsToSchemeBoard(); //there no Populator exist jet
-        for (auto& [txId, pathIds] : Publications) { 
-            std::move(pathIds.begin(), pathIds.end(), std::back_inserter(delayPublications[txId])); 
-        } 
- 
+        for (auto& [txId, pathIds] : Publications) {
+            std::move(pathIds.begin(), pathIds.end(), std::back_inserter(delayPublications[txId]));
+        }
+
         OnComplete.ApplyOnComplete(Self, ctx);
 
         if (!Self->IsShemeShardConfigured()) {
diff --git a/ydb/core/tx/schemeshard/schemeshard__init_populator.cpp b/ydb/core/tx/schemeshard/schemeshard__init_populator.cpp
index 02855ecfbf..299757e38b 100644
--- a/ydb/core/tx/schemeshard/schemeshard__init_populator.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__init_populator.cpp
@@ -1,36 +1,36 @@
-#include "schemeshard_impl.h" 
-#include "schemeshard_path_describer.h" 
- 
+#include "schemeshard_impl.h"
+#include "schemeshard_path_describer.h"
+
 #include <ydb/core/protos/flat_scheme_op.pb.h>
 #include <ydb/core/protos/flat_tx_scheme.pb.h>
 #include <ydb/core/tx/scheme_board/populator.h>
- 
-namespace NKikimr { 
+
+namespace NKikimr {
 namespace NSchemeShard {
- 
-using namespace NTabletFlatExecutor; 
- 
+
+using namespace NTabletFlatExecutor;
+
 struct TSchemeShard::TTxInitPopulator : public TTransactionBase<TSchemeShard> {
-    using TDescription = NSchemeBoard::TTwoPartDescription; 
- 
-    TMap<TPathId, TDescription> Descriptions; 
+    using TDescription = NSchemeBoard::TTwoPartDescription;
+
+    TMap<TPathId, TDescription> Descriptions;
     TSideEffects::TPublications DelayedPublications;
- 
+
     explicit TTxInitPopulator(TSelf *self, TSideEffects::TPublications&& publications)
-        : TBase(self) 
+        : TBase(self)
         , DelayedPublications(publications)
-    { 
-    } 
- 
+    {
+    }
+
     TTxType GetTxType() const override { return TXTYPE_INIT_POPULATOR; }
 
-    bool Execute(TTransactionContext&, const TActorContext& ctx) override { 
+    bool Execute(TTransactionContext&, const TActorContext& ctx) override {
         Y_VERIFY(Self->IsShemeShardConfigured());
 
         for (auto item: Self->PathsById) {
             TPathId pathId = item.first;
             TPathElement::TPtr pathEl = item.second;
- 
+
             // KIKIMR-13173
             // planned to drop pathes are added to populator
             // also such pathes (like BSV PQ) can be considered as deleted by path description however they aren't dropped jet
@@ -40,44 +40,44 @@ struct TSchemeShard::TTxInitPopulator : public TTransactionBase<TSchemeShard> {
                 // but once they published on the quorum replicas as deleted directly, further publishing is unnecessary
                 // actually they are publishing strongly on the quorum as part of deleting operation
                 // so it's ok to skip migrated pathes is they has beem marked as deleted
-                continue; 
-            } 
- 
+                continue;
+            }
+
             if (!Self->PathIsActive(pathId)) {
                 continue;
             }
 
-            auto result = DescribePath(Self, ctx, pathId); 
-            TDescription description(std::move(result->PreSerializedData), std::move(result->Record)); 
-            Descriptions.emplace(pathId, std::move(description)); 
-        } 
- 
-        return true; 
-    } 
- 
-    void Complete(const TActorContext& ctx) override { 
+            auto result = DescribePath(Self, ctx, pathId);
+            TDescription description(std::move(result->PreSerializedData), std::move(result->Record));
+            Descriptions.emplace(pathId, std::move(description));
+        }
+
+        return true;
+    }
+
+    void Complete(const TActorContext& ctx) override {
         const ui64 tabletId = Self->TabletID();
         const auto &domains = *AppData()->DomainsInfo;
         const ui32 domainId = domains.GetDomainUidByTabletId(tabletId);
         const ui32 boardSSId = domains.GetDomain(domainId).DefaultSchemeBoardGroup;
 
-        IActor* populator = CreateSchemeBoardPopulator( 
+        IActor* populator = CreateSchemeBoardPopulator(
             tabletId, Self->Generation(), boardSSId,
             std::move(Descriptions), Self->NextLocalPathId
-        ); 
+        );
 
         Y_VERIFY(!Self->SchemeBoardPopulator);
-        Self->SchemeBoardPopulator = Self->Register(populator); 
- 
-        Self->PublishToSchemeBoard(std::move(DelayedPublications), ctx); 
-        Self->SignalTabletActive(ctx); 
-    } 
- 
+        Self->SchemeBoardPopulator = Self->Register(populator);
+
+        Self->PublishToSchemeBoard(std::move(DelayedPublications), ctx);
+        Self->SignalTabletActive(ctx);
+    }
+
 }; // TSchemeShard::TTxInitPopulator
- 
+
 NTabletFlatExecutor::ITransaction* TSchemeShard::CreateTxInitPopulator(TSideEffects::TPublications&& publications) {
     return new TTxInitPopulator(this, std::move(publications));
-} 
- 
+}
+
 } // NSchemeShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard__init_root.cpp b/ydb/core/tx/schemeshard/schemeshard__init_root.cpp
index ed6b709b3e..74399680cd 100644
--- a/ydb/core/tx/schemeshard/schemeshard__init_root.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__init_root.cpp
@@ -1,5 +1,5 @@
 #include "schemeshard_impl.h"
-#include "schemeshard_path_describer.h" 
+#include "schemeshard_path_describer.h"
 
 #include <ydb/core/tablet/tablet_exception.h>
 #include <ydb/core/tablet_flat/flat_cxx_database.h>
@@ -54,7 +54,7 @@ struct TSchemeShard::TTxInitRoot : public TSchemeShard::TRwTxBase {
         Self->RootPathElemets = std::move(rootPathElemets);
 
 
-        TSubDomainInfo::TPtr newDomain = new TSubDomainInfo(0, Self->RootPathId()); 
+        TSubDomainInfo::TPtr newDomain = new TSubDomainInfo(0, Self->RootPathId());
         newDomain->InitializeAsGlobal(Self->CreateRootProcessingParams(ctx));
         Self->SubDomains[Self->RootPathId()] = newDomain;
 
@@ -294,20 +294,20 @@ struct TSchemeShard::TTxInitTenantSchemeShard : public TSchemeShard::TRwTxBase {
 
         newPath->CachedEffectiveACL.Update(Self->ParentDomainCachedEffectiveACL, newPath->ACL, newPath->IsContainer());
 
-        TPathId resourcesDomainId = Self->ParentDomainId; 
-        if (record.HasResourcesDomainOwnerId() && record.HasResourcesDomainPathId()) { 
-            resourcesDomainId = TPathId(record.GetResourcesDomainOwnerId(), record.GetResourcesDomainPathId()); 
-        } 
- 
+        TPathId resourcesDomainId = Self->ParentDomainId;
+        if (record.HasResourcesDomainOwnerId() && record.HasResourcesDomainPathId()) {
+            resourcesDomainId = TPathId(record.GetResourcesDomainOwnerId(), record.GetResourcesDomainPathId());
+        }
+
         TSubDomainInfo::TPtr subdomain = new TSubDomainInfo(processingParams.GetVersion(),
                                                             processingParams.GetPlanResolution(),
-                                                            processingParams.GetTimeCastBucketsPerMediator(), 
-                                                            resourcesDomainId); 
+                                                            processingParams.GetTimeCastBucketsPerMediator(),
+                                                            resourcesDomainId);
+
+        if (record.HasSharedHive()) {
+            subdomain->SetSharedHive(TTabletId(record.GetSharedHive()));
+        }
 
-        if (record.HasSharedHive()) { 
-            subdomain->SetSharedHive(TTabletId(record.GetSharedHive())); 
-        } 
- 
         for (auto& x: storagePools) {
             subdomain->AddStoragePool(x);
         }
diff --git a/ydb/core/tx/schemeshard/schemeshard__monitoring.cpp b/ydb/core/tx/schemeshard/schemeshard__monitoring.cpp
index f5e9f81c61..76e7318249 100644
--- a/ydb/core/tx/schemeshard/schemeshard__monitoring.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__monitoring.cpp
@@ -1119,7 +1119,7 @@ private:
                     << "State:                                   " << TTxState::StateName(txState.State) << Endl
                     << "MinStep:                                 " << txState.MinStep << Endl
                     << "ReadyForNotifications:                   " << txState.ReadyForNotifications << Endl
-                    << "DataTotalSize:                           " << txState.DataTotalSize << Endl 
+                    << "DataTotalSize:                           " << txState.DataTotalSize << Endl
                     << "TxShardsListFinalized:                   " << txState.TxShardsListFinalized << Endl
                     << "SchemeOpSeqNo:                           " << txState.SchemeOpSeqNo.Generation << ":" << txState.SchemeOpSeqNo.Round << Endl
                     << "StartTime:                               " << txState.StartTime << Endl
@@ -1217,27 +1217,27 @@ private:
                 }
             }
 
-            H4() {str << "ShardStatuses for opId " << opId << "</a>";} 
-            TABLE_SORTABLE_CLASS("ShardStatuses") { 
+            H4() {str << "ShardStatuses for opId " << opId << "</a>";}
+            TABLE_SORTABLE_CLASS("ShardStatuses") {
                 TABLEHEAD() {
                     TABLER() {
                         TABLEH() {str << "ShardId";}
-                        TABLEH() {str << "Success";} 
+                        TABLEH() {str << "Success";}
                         TABLEH() {str << "Error";}
-                        TABLEH() {str << "BytesProcessed";} 
-                        TABLEH() {str << "RowsProcessed";} 
+                        TABLEH() {str << "BytesProcessed";}
+                        TABLEH() {str << "RowsProcessed";}
                     }
                 }
                 ui32 maxItems = 10;
-                for (auto& item: txState.ShardStatuses) { 
+                for (auto& item: txState.ShardStatuses) {
                     if (0 == maxItems) { break; }
                     --maxItems;
                     TABLER() {
                         TABLED() { str << item.first; }
-                        TABLED() { str << item.second.Success; } 
-                        TABLED() { str << item.second.Error; } 
-                        TABLED() { str << item.second.BytesProcessed; } 
-                        TABLED() { str << item.second.RowsProcessed; } 
+                        TABLED() { str << item.second.Success; }
+                        TABLED() { str << item.second.Error; }
+                        TABLED() { str << item.second.BytesProcessed; }
+                        TABLED() { str << item.second.RowsProcessed; }
                     }
                 }
             }
diff --git a/ydb/core/tx/schemeshard/schemeshard__notify.cpp b/ydb/core/tx/schemeshard/schemeshard__notify.cpp
index 23b8f5d6b3..d390367947 100644
--- a/ydb/core/tx/schemeshard/schemeshard__notify.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__notify.cpp
@@ -23,35 +23,35 @@ struct TSchemeShard::TTxNotifyCompletion : public TSchemeShard::TRwTxBase {
 
         if (Self->Operations.contains(TTxId(rawTxId))) {
             auto txId = TTxId(rawTxId);
-            LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                        "NotifyTxCompletion" 
-                            << " operation in-flight" 
-                            << ", txId: " << txId 
-                            << ", at schemeshard: " << Self->TabletID()); 
- 
-            TOperation::TPtr operation = Self->Operations.at(txId); 
-            if (operation->IsReadyToNotify(ctx)) { 
-                LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                           "NotifyTxCompletion" 
-                               << ", operation is ready to notificate" 
-                               << ", txId: " << txId 
-                               << ", at schemeshard: " << Self->TabletID()); 
+            LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                        "NotifyTxCompletion"
+                            << " operation in-flight"
+                            << ", txId: " << txId
+                            << ", at schemeshard: " << Self->TabletID());
+
+            TOperation::TPtr operation = Self->Operations.at(txId);
+            if (operation->IsReadyToNotify(ctx)) {
+                LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                           "NotifyTxCompletion"
+                               << ", operation is ready to notificate"
+                               << ", txId: " << txId
+                               << ", at schemeshard: " << Self->TabletID());
                 Result = new TEvSchemeShard::TEvNotifyTxCompletionResult(ui64(txId));
-                return; 
-            } 
- 
-            operation->AddNotifySubscriber(Ev->Sender); 
+                return;
+            }
+
+            operation->AddNotifySubscriber(Ev->Sender);
             Result = new TEvSchemeShard::TEvNotifyTxCompletionRegistered(ui64(txId));
         } else if (Self->Publications.contains(TTxId(rawTxId))) {
             auto txId = TTxId(rawTxId);
-            LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                        "NotifyTxCompletion" 
-                            << " publication in-flight" 
+            LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                        "NotifyTxCompletion"
+                            << " publication in-flight"
                             << ", count: " << Self->Publications.at(txId).Paths.size()
-                            << ", txId: " << txId 
-                            << ", at schemeshard: " << Self->TabletID()); 
- 
-            Self->Publications.at(txId).Subscribers.insert(Ev->Sender); 
+                            << ", txId: " << txId
+                            << ", at schemeshard: " << Self->TabletID());
+
+            Self->Publications.at(txId).Subscribers.insert(Ev->Sender);
             Result = new TEvSchemeShard::TEvNotifyTxCompletionRegistered(ui64(txId));
         } else if (Self->Exports.contains(rawTxId)) {
             auto txId = rawTxId;
@@ -74,26 +74,26 @@ struct TSchemeShard::TTxNotifyCompletion : public TSchemeShard::TRwTxBase {
 
             exportInfo->AddNotifySubscriber(Ev->Sender);
             Result = new TEvSchemeShard::TEvNotifyTxCompletionRegistered(ui64(txId));
-        } else if (Self->Imports.contains(rawTxId)) { 
-            auto txId = rawTxId; 
-            LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                        "NotifyTxCompletion" 
-                            << " import in-flight" 
-                            << ", txId: " << txId 
-                            << ", at schemeshard: " << Self->TabletID()); 
- 
-            TImportInfo::TPtr importInfo = Self->Imports.at(txId); 
-            if (importInfo->IsFinished()) { 
-                LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                           "NotifyTxCompletion" 
-                               << ", import is ready to notificate" 
-                               << ", txId: " << txId 
-                               << ", at schemeshard: " << Self->TabletID()); 
+        } else if (Self->Imports.contains(rawTxId)) {
+            auto txId = rawTxId;
+            LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                        "NotifyTxCompletion"
+                            << " import in-flight"
+                            << ", txId: " << txId
+                            << ", at schemeshard: " << Self->TabletID());
+
+            TImportInfo::TPtr importInfo = Self->Imports.at(txId);
+            if (importInfo->IsFinished()) {
+                LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                           "NotifyTxCompletion"
+                               << ", import is ready to notificate"
+                               << ", txId: " << txId
+                               << ", at schemeshard: " << Self->TabletID());
                 Result = new TEvSchemeShard::TEvNotifyTxCompletionResult(txId);
-                return; 
-            } 
- 
-            importInfo->AddNotifySubscriber(Ev->Sender); 
+                return;
+            }
+
+            importInfo->AddNotifySubscriber(Ev->Sender);
             Result = new TEvSchemeShard::TEvNotifyTxCompletionRegistered(ui64(txId));
         } else if (Self->IndexBuilds.contains(TIndexBuildId(rawTxId))) {
             auto txId = TIndexBuildId(rawTxId);
@@ -117,7 +117,7 @@ struct TSchemeShard::TTxNotifyCompletion : public TSchemeShard::TRwTxBase {
 
             indexInfo->AddNotifySubscriber(Ev->Sender);
             Result = new TEvSchemeShard::TEvNotifyTxCompletionRegistered(ui64(txId));
-        } else { 
+        } else {
             LOG_WARN_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                        "NotifyTxCompletion"
                            << ", unknown transaction"
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation.cpp b/ydb/core/tx/schemeshard/schemeshard__operation.cpp
index 0ec8fb11ae..daf1218bcf 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation.cpp
@@ -10,8 +10,8 @@
 #include <ydb/core/tablet_flat/flat_cxx_database.h>
 #include <ydb/core/tablet_flat/tablet_flat_executor.h>
 
-#include <util/generic/algorithm.h> 
- 
+#include <util/generic/algorithm.h>
+
 namespace NKikimr {
 namespace NSchemeShard {
 
@@ -26,22 +26,22 @@ struct TSchemeShard::TTxOperationProposeCancelTx: public NTabletFlatExecutor::TT
 
     TTxOperationProposeCancelTx(TSchemeShard* self, TEvSchemeShard::TEvCancelTx::TPtr ev)
         : TBase(self)
-        , Ev(ev) 
+        , Ev(ev)
     {}
 
-    TTxType GetTxType() const override { return TXTYPE_CANCEL_BACKUP_IMPL; } 
+    TTxType GetTxType() const override { return TXTYPE_CANCEL_BACKUP_IMPL; }
 
     bool Execute(NTabletFlatExecutor::TTransactionContext& txc, const TActorContext& ctx) override {
-        const auto& record = Ev->Get()->Record; 
+        const auto& record = Ev->Get()->Record;
 
         LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
-                    "TTxOperationProposeCancelTx Execute" 
+                    "TTxOperationProposeCancelTx Execute"
                         << ", at schemeshard: " << Self->TabletID()
                         << ", message: " << record.ShortDebugString());
 
         txc.DB.NoMoreReadsForTx();
 
-        ISubOperationBase::TPtr part = CreateTxCancelTx(Ev); 
+        ISubOperationBase::TPtr part = CreateTxCancelTx(Ev);
         TOperationContext context{Self, txc, ctx, OnComplete, MemChanges, DbChanges};
         auto fakeResponse = part->Propose(TString(), context);
         Y_UNUSED(fakeResponse);
@@ -53,7 +53,7 @@ struct TSchemeShard::TTxOperationProposeCancelTx: public NTabletFlatExecutor::TT
 
     void Complete(const TActorContext& ctx) override {
         LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
-                    "TTxOperationProposeCancelTx Complete" 
+                    "TTxOperationProposeCancelTx Complete"
                         << ", at schemeshard: " << Self->TabletID());
 
         OnComplete.ApplyOnComplete(Self, ctx);
@@ -220,7 +220,7 @@ struct TSchemeShard::TTxOperationPropose: public NTabletFlatExecutor::TTransacti
         : TBase(self)
         , Request(request)
     {}
- 
+
     TTxType GetTxType() const override { return TXTYPE_PROPOSE; }
 
     bool Execute(NTabletFlatExecutor::TTransactionContext& txc, const TActorContext& ctx) override {
@@ -230,7 +230,7 @@ struct TSchemeShard::TTxOperationPropose: public NTabletFlatExecutor::TTransacti
                     "TTxOperationPropose Execute"
                         << ", message: " << GetRecordForPrint(Request->Get()->Record).ShortDebugString()
                         << ", at schemeshard: " << selfId);
- 
+
         txc.DB.NoMoreReadsForTx();
 
         TMemoryChanges memChanges;
@@ -458,7 +458,7 @@ struct TSchemeShard::TTxOperationPlanStep: public NTabletFlatExecutor::TTransact
 
 
 NTabletFlatExecutor::ITransaction* TSchemeShard::CreateTxOperationPropose(TEvSchemeShard::TEvCancelTx::TPtr& ev) {
-    return new TTxOperationProposeCancelTx(this, ev); 
+    return new TTxOperationProposeCancelTx(this, ev);
 }
 
 NTabletFlatExecutor::ITransaction* TSchemeShard::CreateTxOperationPropose(TEvSchemeShard::TEvModifySchemeTransaction::TPtr& ev) {
@@ -481,14 +481,14 @@ NTabletFlatExecutor::ITransaction* TSchemeShard::CreateTxOperationProgress(TOper
     SCHEMESHARD_INCOMING_EVENTS(DefineCreateTxOperationReply)
 #undef DefineTxOperationReply
 
-TString JoinPath(const TString& workingDir, const TString& name) { 
-    Y_VERIFY(!name.StartsWith('/') && !name.EndsWith('/')); 
-    return TStringBuilder() 
-               << workingDir 
-               << (workingDir.EndsWith('/') ? "" : "/") 
-               << name; 
-} 
- 
+TString JoinPath(const TString& workingDir, const TString& name) {
+    Y_VERIFY(!name.StartsWith('/') && !name.EndsWith('/'));
+    return TStringBuilder()
+               << workingDir
+               << (workingDir.EndsWith('/') ? "" : "/")
+               << name;
+}
+
 TOperation::TConsumeQuotaResult TOperation::ConsumeQuota(const TTxTransaction& tx, const TOperationContext& context) {
     TConsumeQuotaResult result;
 
@@ -541,227 +541,227 @@ TOperation::TConsumeQuotaResult TOperation::ConsumeQuota(const TTxTransaction& t
 TOperation::TSplitTransactionsResult TOperation::SplitIntoTransactions(const TTxTransaction& tx, const TOperationContext& context) {
     TSplitTransactionsResult result;
 
-    const TPath parentPath = TPath::Resolve(tx.GetWorkingDir(), context.SS); 
-    { 
-        TPath::TChecker checks = parentPath.Check(); 
-        checks 
+    const TPath parentPath = TPath::Resolve(tx.GetWorkingDir(), context.SS);
+    {
+        TPath::TChecker checks = parentPath.Check();
+        checks
             .NotUnderDomainUpgrade()
-            .IsAtLocalSchemeShard() 
-            .IsResolved() 
-            .NotDeleted() 
-            .NotUnderDeleting() 
-            .IsCommonSensePath() 
+            .IsAtLocalSchemeShard()
+            .IsResolved()
+            .NotDeleted()
+            .NotUnderDeleting()
+            .IsCommonSensePath()
             .IsLikeDirectory();
- 
-        if (!checks) { 
+
+        if (!checks) {
             result.Transactions.push_back(tx);
             return result;
-        } 
-    } 
- 
-    TString targetName; 
- 
-    switch (tx.GetOperationType()) { 
+        }
+    }
+
+    TString targetName;
+
+    switch (tx.GetOperationType()) {
     case NKikimrSchemeOp::EOperationType::ESchemeOpMkDir:
-        targetName = tx.GetMkDir().GetName(); 
-        break; 
+        targetName = tx.GetMkDir().GetName();
+        break;
     case NKikimrSchemeOp::EOperationType::ESchemeOpCreateTable:
-        if (tx.GetCreateTable().HasCopyFromTable()) { 
+        if (tx.GetCreateTable().HasCopyFromTable()) {
             result.Transactions.push_back(tx);
             return result;
-        } 
-        targetName = tx.GetCreateTable().GetName(); 
-        break; 
+        }
+        targetName = tx.GetCreateTable().GetName();
+        break;
     case NKikimrSchemeOp::EOperationType::ESchemeOpCreatePersQueueGroup:
-        targetName = tx.GetCreatePersQueueGroup().GetName(); 
-        break; 
+        targetName = tx.GetCreatePersQueueGroup().GetName();
+        break;
     case NKikimrSchemeOp::EOperationType::ESchemeOpCreateSubDomain:
     case NKikimrSchemeOp::EOperationType::ESchemeOpCreateExtSubDomain:
-        targetName = tx.GetSubDomain().GetName(); 
-        break; 
+        targetName = tx.GetSubDomain().GetName();
+        break;
     case NKikimrSchemeOp::EOperationType::ESchemeOpCreateRtmrVolume:
-        targetName = tx.GetCreateRtmrVolume().GetName(); 
-        break; 
+        targetName = tx.GetCreateRtmrVolume().GetName();
+        break;
     case NKikimrSchemeOp::EOperationType::ESchemeOpCreateBlockStoreVolume:
-        targetName = tx.GetCreateBlockStoreVolume().GetName(); 
-        break; 
+        targetName = tx.GetCreateBlockStoreVolume().GetName();
+        break;
     case NKikimrSchemeOp::EOperationType::ESchemeOpCreateFileStore:
         targetName = tx.GetCreateFileStore().GetName();
         break;
     case NKikimrSchemeOp::EOperationType::ESchemeOpCreateKesus:
-        targetName = tx.GetKesus().GetName(); 
-        break; 
+        targetName = tx.GetKesus().GetName();
+        break;
     case NKikimrSchemeOp::EOperationType::ESchemeOpCreateSolomonVolume:
-        targetName = tx.GetCreateSolomonVolume().GetName(); 
-        break; 
+        targetName = tx.GetCreateSolomonVolume().GetName();
+        break;
     case NKikimrSchemeOp::EOperationType::ESchemeOpCreateIndexedTable:
-        targetName = tx.GetCreateIndexedTable().GetTableDescription().GetName(); 
-        break; 
+        targetName = tx.GetCreateIndexedTable().GetTableDescription().GetName();
+        break;
     case NKikimrSchemeOp::EOperationType::ESchemeOpCreateColumnStore:
         targetName = tx.GetCreateColumnStore().GetName();
         break;
     case NKikimrSchemeOp::EOperationType::ESchemeOpCreateColumnTable:
         targetName = tx.GetCreateColumnTable().GetName();
         break;
-    default: 
+    default:
         result.Transactions.push_back(tx);
         return result;
-    } 
- 
-    if (!targetName || targetName.StartsWith('/') || targetName.EndsWith('/')) { 
+    }
+
+    if (!targetName || targetName.StartsWith('/') || targetName.EndsWith('/')) {
         result.Transactions.push_back(tx);
         return result;
-    } 
- 
-    TPath path = TPath::Resolve(JoinPath(tx.GetWorkingDir(), targetName), context.SS); 
-    { 
-        TPath::TChecker checks = path.Check(); 
-        checks.IsAtLocalSchemeShard(); 
- 
-        bool exists = false; 
-        if (path.IsResolved()) { 
-            checks.IsResolved(); 
-            exists = !path.IsDeleted(); 
-        } else { 
-            checks 
-                .NotEmpty() 
-                .NotResolved(); 
-        } 
- 
-        if (checks && !exists) { 
-            checks 
-                .IsValidLeafName() 
-                .DepthLimit() 
-                .PathsLimit(); 
-        } 
- 
-        if (checks && !exists && path.Parent().IsResolved()) { 
-            checks.DirChildrenLimit(); 
-        } 
- 
-        if (!checks) { 
+    }
+
+    TPath path = TPath::Resolve(JoinPath(tx.GetWorkingDir(), targetName), context.SS);
+    {
+        TPath::TChecker checks = path.Check();
+        checks.IsAtLocalSchemeShard();
+
+        bool exists = false;
+        if (path.IsResolved()) {
+            checks.IsResolved();
+            exists = !path.IsDeleted();
+        } else {
+            checks
+                .NotEmpty()
+                .NotResolved();
+        }
+
+        if (checks && !exists) {
+            checks
+                .IsValidLeafName()
+                .DepthLimit()
+                .PathsLimit();
+        }
+
+        if (checks && !exists && path.Parent().IsResolved()) {
+            checks.DirChildrenLimit();
+        }
+
+        if (!checks) {
             result.Status = checks.GetStatus(&result.Reason);
             result.Transactions.push_back(tx);
             return result;
-        } 
- 
-        const TString name = path.LeafName(); 
-        path.Rise(); 
- 
-        TTxTransaction create(tx); 
-        create.SetWorkingDir(path.PathString()); 
+        }
+
+        const TString name = path.LeafName();
+        path.Rise();
+
+        TTxTransaction create(tx);
+        create.SetWorkingDir(path.PathString());
         create.SetFailOnExist(tx.GetFailOnExist());
- 
-        switch (tx.GetOperationType()) { 
+
+        switch (tx.GetOperationType()) {
         case NKikimrSchemeOp::EOperationType::ESchemeOpMkDir:
-            create.MutableMkDir()->SetName(name); 
-            break; 
+            create.MutableMkDir()->SetName(name);
+            break;
         case NKikimrSchemeOp::EOperationType::ESchemeOpCreateTable:
-            create.MutableCreateTable()->SetName(name); 
-            break; 
+            create.MutableCreateTable()->SetName(name);
+            break;
         case NKikimrSchemeOp::EOperationType::ESchemeOpCreatePersQueueGroup:
-            create.MutableCreatePersQueueGroup()->SetName(name); 
-            break; 
+            create.MutableCreatePersQueueGroup()->SetName(name);
+            break;
         case NKikimrSchemeOp::EOperationType::ESchemeOpCreateSubDomain:
         case NKikimrSchemeOp::EOperationType::ESchemeOpCreateExtSubDomain:
-            create.MutableSubDomain()->SetName(name); 
-            break; 
+            create.MutableSubDomain()->SetName(name);
+            break;
         case NKikimrSchemeOp::EOperationType::ESchemeOpCreateRtmrVolume:
-            create.MutableCreateRtmrVolume()->SetName(name); 
-            break; 
+            create.MutableCreateRtmrVolume()->SetName(name);
+            break;
         case NKikimrSchemeOp::EOperationType::ESchemeOpCreateBlockStoreVolume:
-            create.MutableCreateBlockStoreVolume()->SetName(name); 
-            break; 
+            create.MutableCreateBlockStoreVolume()->SetName(name);
+            break;
         case NKikimrSchemeOp::EOperationType::ESchemeOpCreateFileStore:
             create.MutableCreateFileStore()->SetName(name);
             break;
         case NKikimrSchemeOp::EOperationType::ESchemeOpCreateKesus:
-            create.MutableKesus()->SetName(name); 
-            break; 
+            create.MutableKesus()->SetName(name);
+            break;
         case NKikimrSchemeOp::EOperationType::ESchemeOpCreateSolomonVolume:
-            create.MutableCreateSolomonVolume()->SetName(name); 
-            break; 
+            create.MutableCreateSolomonVolume()->SetName(name);
+            break;
         case NKikimrSchemeOp::EOperationType::ESchemeOpCreateIndexedTable:
-            create.MutableCreateIndexedTable()->MutableTableDescription()->SetName(name); 
-            break; 
+            create.MutableCreateIndexedTable()->MutableTableDescription()->SetName(name);
+            break;
         case NKikimrSchemeOp::EOperationType::ESchemeOpCreateColumnStore:
             create.MutableCreateColumnStore()->SetName(name);
             break;
         case NKikimrSchemeOp::EOperationType::ESchemeOpCreateColumnTable:
             create.MutableCreateColumnTable()->SetName(name);
             break;
-        default: 
-            Y_UNREACHABLE(); 
-        } 
- 
+        default:
+            Y_UNREACHABLE();
+        }
+
         result.Transactions.push_back(create);
- 
-        if (exists) { 
-            return result; 
-        } 
-    } 
- 
-    while (path != parentPath) { 
-        TPath::TChecker checks = path.Check(); 
+
+        if (exists) {
+            return result;
+        }
+    }
+
+    while (path != parentPath) {
+        TPath::TChecker checks = path.Check();
         checks
             .NotUnderDomainUpgrade()
             .IsAtLocalSchemeShard();
- 
-        if (path.IsResolved()) { 
-            checks.IsResolved(); 
- 
-            if (path.IsDeleted()) { 
-                checks.IsDeleted(); 
-            } else { 
-                checks 
-                    .NotDeleted() 
-                    .NotUnderDeleting() 
-                    .IsCommonSensePath() 
+
+        if (path.IsResolved()) {
+            checks.IsResolved();
+
+            if (path.IsDeleted()) {
+                checks.IsDeleted();
+            } else {
+                checks
+                    .NotDeleted()
+                    .NotUnderDeleting()
+                    .IsCommonSensePath()
                     .IsLikeDirectory();
- 
-                if (checks) { 
-                    break; 
-                } 
-            } 
-        } else { 
-            checks 
-                .NotEmpty() 
-                .NotResolved(); 
-        } 
- 
-        if (checks) { 
-            checks 
-                .IsValidLeafName() 
-                .DepthLimit() 
+
+                if (checks) {
+                    break;
+                }
+            }
+        } else {
+            checks
+                .NotEmpty()
+                .NotResolved();
+        }
+
+        if (checks) {
+            checks
+                .IsValidLeafName()
+                .DepthLimit()
                 .PathsLimit(result.Transactions.size() + 1);
-        } 
- 
-        if (checks && path.Parent().IsResolved()) { 
-            checks.DirChildrenLimit(); 
-        } 
- 
-        if (!checks) { 
+        }
+
+        if (checks && path.Parent().IsResolved()) {
+            checks.DirChildrenLimit();
+        }
+
+        if (!checks) {
             result.Status = checks.GetStatus(&result.Reason);
             result.Transactions.clear();
             result.Transactions.push_back(tx);
             return result;
-        } 
- 
-        const TString name = path.LeafName(); 
-        path.Rise(); 
- 
-        TTxTransaction mkdir; 
+        }
+
+        const TString name = path.LeafName();
+        path.Rise();
+
+        TTxTransaction mkdir;
         mkdir.SetFailOnExist(true);
         mkdir.SetOperationType(NKikimrSchemeOp::EOperationType::ESchemeOpMkDir);
-        mkdir.SetWorkingDir(path.PathString()); 
-        mkdir.MutableMkDir()->SetName(name); 
+        mkdir.SetWorkingDir(path.PathString());
+        mkdir.MutableMkDir()->SetName(name);
         result.Transactions.push_back(mkdir);
-    } 
- 
+    }
+
     Reverse(result.Transactions.begin(), result.Transactions.end());
-    return result; 
-} 
- 
+    return result;
+}
+
 ISubOperationBase::TPtr TOperation::RestorePart(TTxState::ETxType txType, TTxState::ETxState txState) {
         switch (txType) {
         case TTxState::ETxType::TxMkDir:
@@ -782,9 +782,9 @@ ISubOperationBase::TPtr TOperation::RestorePart(TTxState::ETxType txType, TTxSta
         case TTxState::ETxType::TxMergeTablePartition:
             return CreateSplitMerge(NextPartId(), txState);
         case TTxState::ETxType::TxBackup:
-            return CreateBackup(NextPartId(), txState); 
-        case TTxState::ETxType::TxRestore: 
-            return CreateRestore(NextPartId(), txState); 
+            return CreateBackup(NextPartId(), txState);
+        case TTxState::ETxType::TxRestore:
+            return CreateRestore(NextPartId(), txState);
         case TTxState::ETxType::TxDropTable:
             return CreateDropTable(NextPartId(), txState);
         case TTxState::ETxType::TxCreateTableIndex:
@@ -872,20 +872,20 @@ ISubOperationBase::TPtr TOperation::RestorePart(TTxState::ETxType txType, TTxSta
         case TTxState::ETxType::TxDropFileStore:
             return CreateDropFileStore(NextPartId(), txState);
 
-        // CDC 
-        case TTxState::ETxType::TxCreateCdcStream: 
-            return CreateNewCdcStreamImpl(NextPartId(), txState); 
-        case TTxState::ETxType::TxCreateCdcStreamAtTable: 
-            return CreateNewCdcStreamAtTable(NextPartId(), txState); 
-        case TTxState::ETxType::TxAlterCdcStream: 
-            return CreateAlterCdcStreamImpl(NextPartId(), txState); 
-        case TTxState::ETxType::TxAlterCdcStreamAtTable: 
-            return CreateAlterCdcStreamAtTable(NextPartId(), txState); 
-        case TTxState::ETxType::TxDropCdcStream: 
-            return CreateDropCdcStreamImpl(NextPartId(), txState); 
-        case TTxState::ETxType::TxDropCdcStreamAtTable: 
-            return CreateDropCdcStreamAtTable(NextPartId(), txState); 
- 
+        // CDC
+        case TTxState::ETxType::TxCreateCdcStream:
+            return CreateNewCdcStreamImpl(NextPartId(), txState);
+        case TTxState::ETxType::TxCreateCdcStreamAtTable:
+            return CreateNewCdcStreamAtTable(NextPartId(), txState);
+        case TTxState::ETxType::TxAlterCdcStream:
+            return CreateAlterCdcStreamImpl(NextPartId(), txState);
+        case TTxState::ETxType::TxAlterCdcStreamAtTable:
+            return CreateAlterCdcStreamAtTable(NextPartId(), txState);
+        case TTxState::ETxType::TxDropCdcStream:
+            return CreateDropCdcStreamImpl(NextPartId(), txState);
+        case TTxState::ETxType::TxDropCdcStreamAtTable:
+            return CreateDropCdcStreamAtTable(NextPartId(), txState);
+
         // Sequences
         case TTxState::ETxType::TxCreateSequence:
             return CreateNewSequence(NextPartId(), txState);
@@ -902,14 +902,14 @@ ISubOperationBase::TPtr TOperation::RestorePart(TTxState::ETxType txType, TTxSta
         case TTxState::ETxType::TxMoveTableIndex:
             return CreateMoveTableIndex(NextPartId(), txState);
 
-        // Replication 
-        case TTxState::ETxType::TxCreateReplication: 
-            return CreateNewReplication(NextPartId(), txState); 
-        case TTxState::ETxType::TxAlterReplication: 
-            Y_FAIL("TODO: implement"); 
-        case TTxState::ETxType::TxDropReplication: 
-            return CreateDropReplication(NextPartId(), txState); 
- 
+        // Replication
+        case TTxState::ETxType::TxCreateReplication:
+            return CreateNewReplication(NextPartId(), txState);
+        case TTxState::ETxType::TxAlterReplication:
+            Y_FAIL("TODO: implement");
+        case TTxState::ETxType::TxDropReplication:
+            return CreateDropReplication(NextPartId(), txState);
+
         case TTxState::ETxType::TxInvalid:
             Y_UNREACHABLE();
         }
@@ -920,37 +920,37 @@ ISubOperationBase::TPtr TOperation::RestorePart(TTxState::ETxType txType, TTxSta
 ISubOperationBase::TPtr TOperation::ConstructPart(NKikimrSchemeOp::EOperationType opType, const TTxTransaction& tx) {
     switch (opType) {
     case NKikimrSchemeOp::EOperationType::ESchemeOpMkDir:
-        return CreateMkDir(NextPartId(), tx); 
+        return CreateMkDir(NextPartId(), tx);
     case NKikimrSchemeOp::EOperationType::ESchemeOpRmDir:
-        return CreateRmDir(NextPartId(), tx); 
+        return CreateRmDir(NextPartId(), tx);
     case NKikimrSchemeOp::EOperationType::ESchemeOpModifyACL:
-        return CreateModifyACL(NextPartId(), tx); 
+        return CreateModifyACL(NextPartId(), tx);
     case NKikimrSchemeOp::EOperationType::ESchemeOpAlterUserAttributes:
-        return CreateAlterUserAttrs(NextPartId(), tx); 
+        return CreateAlterUserAttrs(NextPartId(), tx);
     case NKikimrSchemeOp::EOperationType::ESchemeOpForceDropUnsafe:
-        return CreateFroceDropUnsafe(NextPartId(), tx); 
+        return CreateFroceDropUnsafe(NextPartId(), tx);
     case NKikimrSchemeOp::EOperationType::ESchemeOpCreateTable:
         return CreateNewTable(NextPartId(), tx);
     case NKikimrSchemeOp::EOperationType::ESchemeOpAlterTable:
-        return CreateAlterTable(NextPartId(), tx); 
+        return CreateAlterTable(NextPartId(), tx);
     case NKikimrSchemeOp::EOperationType::ESchemeOpSplitMergeTablePartitions:
-        return CreateSplitMerge(NextPartId(), tx); 
+        return CreateSplitMerge(NextPartId(), tx);
     case NKikimrSchemeOp::EOperationType::ESchemeOpBackup:
-        return CreateBackup(NextPartId(), tx); 
+        return CreateBackup(NextPartId(), tx);
     case NKikimrSchemeOp::EOperationType::ESchemeOpRestore:
-        return CreateRestore(NextPartId(), tx); 
+        return CreateRestore(NextPartId(), tx);
     case NKikimrSchemeOp::EOperationType::ESchemeOpDropTable:
         Y_FAIL("in general, drop table is multipart operation now due table indexes");
     case NKikimrSchemeOp::EOperationType::ESchemeOpCreateIndexedTable:
-        Y_FAIL("multipart operations are handled before, also they require transaction details"); 
+        Y_FAIL("multipart operations are handled before, also they require transaction details");
     case NKikimrSchemeOp::EOperationType::ESchemeOpCreateTableIndex:
         Y_FAIL("is handled as part of ESchemeOpCreateIndexedTable");
     case NKikimrSchemeOp::EOperationType::ESchemeOpDropTableIndex:
         Y_FAIL("is handled as part of ESchemeOpDropTable");
     case NKikimrSchemeOp::EOperationType::ESchemeOpCreateConsistentCopyTables:
-        Y_FAIL("multipart operations are handled before, also they require transaction details"); 
+        Y_FAIL("multipart operations are handled before, also they require transaction details");
     case NKikimrSchemeOp::EOperationType::ESchemeOpCreateRtmrVolume:
-        return CreateNewRTMR(NextPartId(), tx); 
+        return CreateNewRTMR(NextPartId(), tx);
     case NKikimrSchemeOp::EOperationType::ESchemeOpCreateColumnStore:
         return CreateNewOlapStore(NextPartId(), tx);
     case NKikimrSchemeOp::EOperationType::ESchemeOpAlterColumnStore:
@@ -964,43 +964,43 @@ ISubOperationBase::TPtr TOperation::ConstructPart(NKikimrSchemeOp::EOperationTyp
     case NKikimrSchemeOp::EOperationType::ESchemeOpDropColumnTable:
         return CreateDropOlapTable(NextPartId(), tx);
     case NKikimrSchemeOp::EOperationType::ESchemeOpCreatePersQueueGroup:
-        return CreateNewPQ(NextPartId(), tx); 
+        return CreateNewPQ(NextPartId(), tx);
     case NKikimrSchemeOp::EOperationType::ESchemeOpAlterPersQueueGroup:
-        return CreateAlterPQ(NextPartId(), tx); 
+        return CreateAlterPQ(NextPartId(), tx);
     case NKikimrSchemeOp::EOperationType::ESchemeOpDropPersQueueGroup:
-        return CreateDropPQ(NextPartId(), tx); 
+        return CreateDropPQ(NextPartId(), tx);
     case NKikimrSchemeOp::EOperationType::ESchemeOpCreateSolomonVolume:
-        return CreateNewSolomon(NextPartId(), tx); 
-    case NKikimrSchemeOp::EOperationType::ESchemeOpAlterSolomonVolume: 
-        return CreateAlterSolomon(NextPartId(), tx); 
+        return CreateNewSolomon(NextPartId(), tx);
+    case NKikimrSchemeOp::EOperationType::ESchemeOpAlterSolomonVolume:
+        return CreateAlterSolomon(NextPartId(), tx);
     case NKikimrSchemeOp::EOperationType::ESchemeOpDropSolomonVolume:
-        return CreateDropSolomon(NextPartId(), tx); 
+        return CreateDropSolomon(NextPartId(), tx);
     case NKikimrSchemeOp::EOperationType::ESchemeOpCreateSubDomain:
-        return CreateSubDomain(NextPartId(), tx); 
+        return CreateSubDomain(NextPartId(), tx);
     case NKikimrSchemeOp::EOperationType::ESchemeOpAlterSubDomain:
         Y_FAIL("run in compatible");
     case NKikimrSchemeOp::EOperationType::ESchemeOpDropSubDomain:
-        return CreateDropSubdomain(NextPartId(), tx); 
+        return CreateDropSubdomain(NextPartId(), tx);
     case NKikimrSchemeOp::EOperationType::ESchemeOpForceDropSubDomain:
         Y_FAIL("run in compatible");
     case NKikimrSchemeOp::EOperationType::ESchemeOpCreateExtSubDomain:
-        return CreateExtSubDomain(NextPartId(), tx); 
+        return CreateExtSubDomain(NextPartId(), tx);
     case NKikimrSchemeOp::EOperationType::ESchemeOpAlterExtSubDomain:
-        return CreateAlterExtSubDomain(NextPartId(), tx); 
+        return CreateAlterExtSubDomain(NextPartId(), tx);
     case NKikimrSchemeOp::EOperationType::ESchemeOpForceDropExtSubDomain:
         return CreateFroceDropExtSubDomain(NextPartId(), tx);
     case NKikimrSchemeOp::EOperationType::ESchemeOpCreateKesus:
-        return CreateNewKesus(NextPartId(), tx); 
+        return CreateNewKesus(NextPartId(), tx);
     case NKikimrSchemeOp::EOperationType::ESchemeOpAlterKesus:
-        return CreateAlterKesus(NextPartId(), tx); 
+        return CreateAlterKesus(NextPartId(), tx);
     case NKikimrSchemeOp::EOperationType::ESchemeOpDropKesus:
-        return CreateDropKesus(NextPartId(), tx); 
+        return CreateDropKesus(NextPartId(), tx);
     case NKikimrSchemeOp::EOperationType::ESchemeOpUpgradeSubDomain:
         return CreateUpgradeSubDomain(NextPartId(), tx);
     case NKikimrSchemeOp::EOperationType::ESchemeOpUpgradeSubDomainDecision:
         return CreateUpgradeSubDomainDecision(NextPartId(), tx);
     case NKikimrSchemeOp::EOperationType::ESchemeOpCreateIndexBuild:
-        Y_FAIL("multipart operations are handled before, also they require transaction details"); 
+        Y_FAIL("multipart operations are handled before, also they require transaction details");
     case NKikimrSchemeOp::EOperationType::ESchemeOpCreateLockForIndexBuild:
         return CreateLockForIndexBuild(NextPartId(), tx);
     case NKikimrSchemeOp::EOperationType::ESchemeOpDropLock:
@@ -1036,60 +1036,60 @@ ISubOperationBase::TPtr TOperation::ConstructPart(NKikimrSchemeOp::EOperationTyp
     case NKikimrSchemeOp::EOperationType::ESchemeOpDropSequence:
         return CreateDropSequence(NextPartId(), tx);
 
-    // Index 
+    // Index
     case NKikimrSchemeOp::EOperationType::ESchemeOpApplyIndexBuild:
-        Y_FAIL("multipart operations are handled before, also they require transaction details"); 
+        Y_FAIL("multipart operations are handled before, also they require transaction details");
     case NKikimrSchemeOp::EOperationType::ESchemeOpAlterTableIndex:
-        Y_FAIL("multipart operations are handled before, also they require transaction details"); 
+        Y_FAIL("multipart operations are handled before, also they require transaction details");
 
     case NKikimrSchemeOp::EOperationType::ESchemeOpInitiateBuildIndexImplTable:
-        Y_FAIL("multipart operations are handled before, also they require transaction details"); 
+        Y_FAIL("multipart operations are handled before, also they require transaction details");
     case NKikimrSchemeOp::EOperationType::ESchemeOpFinalizeBuildIndexImplTable:
-        Y_FAIL("multipart operations are handled before, also they require transaction details"); 
+        Y_FAIL("multipart operations are handled before, also they require transaction details");
 
     case NKikimrSchemeOp::EOperationType::ESchemeOpInitiateBuildIndexMainTable:
-        Y_FAIL("multipart operations are handled before, also they require transaction details"); 
+        Y_FAIL("multipart operations are handled before, also they require transaction details");
     case NKikimrSchemeOp::EOperationType::ESchemeOpFinalizeBuildIndexMainTable:
-        Y_FAIL("multipart operations are handled before, also they require transaction details"); 
+        Y_FAIL("multipart operations are handled before, also they require transaction details");
 
     case NKikimrSchemeOp::EOperationType::ESchemeOpCancelIndexBuild:
-        Y_FAIL("multipart operations are handled before, also they require transaction details"); 
+        Y_FAIL("multipart operations are handled before, also they require transaction details");
 
     case NKikimrSchemeOp::EOperationType::ESchemeOpDropIndex:
-        Y_FAIL("multipart operations are handled before, also they require transaction details"); 
+        Y_FAIL("multipart operations are handled before, also they require transaction details");
     case NKikimrSchemeOp::EOperationType::ESchemeOpDropTableIndexAtMainTable:
-        Y_FAIL("multipart operations are handled before, also they require transaction details"); 
+        Y_FAIL("multipart operations are handled before, also they require transaction details");
 
-    // CDC 
+    // CDC
     case NKikimrSchemeOp::EOperationType::ESchemeOpCreateCdcStream:
     case NKikimrSchemeOp::EOperationType::ESchemeOpCreateCdcStreamImpl:
     case NKikimrSchemeOp::EOperationType::ESchemeOpCreateCdcStreamAtTable:
-        Y_FAIL("multipart operations are handled before, also they require transaction details"); 
+        Y_FAIL("multipart operations are handled before, also they require transaction details");
     case NKikimrSchemeOp::EOperationType::ESchemeOpAlterCdcStream:
     case NKikimrSchemeOp::EOperationType::ESchemeOpAlterCdcStreamImpl:
     case NKikimrSchemeOp::EOperationType::ESchemeOpAlterCdcStreamAtTable:
-        Y_FAIL("multipart operations are handled before, also they require transaction details"); 
+        Y_FAIL("multipart operations are handled before, also they require transaction details");
     case NKikimrSchemeOp::EOperationType::ESchemeOpDropCdcStream:
     case NKikimrSchemeOp::EOperationType::ESchemeOpDropCdcStreamImpl:
     case NKikimrSchemeOp::EOperationType::ESchemeOpDropCdcStreamAtTable:
-        Y_FAIL("multipart operations are handled before, also they require transaction details"); 
- 
+        Y_FAIL("multipart operations are handled before, also they require transaction details");
+
     case NKikimrSchemeOp::EOperationType::ESchemeOp_DEPRECATED_35:
         Y_FAIL("imposible");
 
-    // Move 
+    // Move
     case NKikimrSchemeOp::EOperationType::ESchemeOpMoveTable:
         return CreateMoveTable(NextPartId(), tx);
     case NKikimrSchemeOp::EOperationType::ESchemeOpMoveTableIndex:
         return CreateMoveTableIndex(NextPartId(), tx);
- 
-    // Replication 
-    case NKikimrSchemeOp::EOperationType::ESchemeOpCreateReplication: 
-        return CreateNewReplication(NextPartId(), tx); 
-    case NKikimrSchemeOp::EOperationType::ESchemeOpAlterReplication: 
-        Y_FAIL("TODO: implement"); 
-    case NKikimrSchemeOp::EOperationType::ESchemeOpDropReplication: 
-        return CreateDropReplication(NextPartId(), tx); 
+
+    // Replication
+    case NKikimrSchemeOp::EOperationType::ESchemeOpCreateReplication:
+        return CreateNewReplication(NextPartId(), tx);
+    case NKikimrSchemeOp::EOperationType::ESchemeOpAlterReplication:
+        Y_FAIL("TODO: implement");
+    case NKikimrSchemeOp::EOperationType::ESchemeOpDropReplication:
+        return CreateDropReplication(NextPartId(), tx);
     }
 
     Y_UNREACHABLE();
@@ -1098,12 +1098,12 @@ ISubOperationBase::TPtr TOperation::ConstructPart(NKikimrSchemeOp::EOperationTyp
 TVector<ISubOperationBase::TPtr> TOperation::ConstructParts(const TTxTransaction& tx, TOperationContext& context) {
     const auto& opType = tx.GetOperationType();
 
-    switch (opType) { 
+    switch (opType) {
     case NKikimrSchemeOp::EOperationType::ESchemeOpCreateTable:
         if (tx.GetCreateTable().HasCopyFromTable()) {
             return {CreateCopyTable(NextPartId(), tx, context)}; // Copy indexes table as well as common table
         }
-        return {ConstructPart(opType, tx)}; 
+        return {ConstructPart(opType, tx)};
     case NKikimrSchemeOp::EOperationType::ESchemeOpCreateIndexedTable:
         return CreateIndexedTable(NextPartId(), tx, context);
     case NKikimrSchemeOp::EOperationType::ESchemeOpCreateConsistentCopyTables:
@@ -1123,27 +1123,27 @@ TVector<ISubOperationBase::TPtr> TOperation::ConstructParts(const TTxTransaction
     case NKikimrSchemeOp::EOperationType::ESchemeOpAlterSubDomain:
         return {CreateCompatibleSubdomainAlter(context.SS, NextPartId(), tx)};
     case NKikimrSchemeOp::EOperationType::ESchemeOpCreateCdcStream:
-        return CreateNewCdcStream(NextPartId(), tx, context); 
+        return CreateNewCdcStream(NextPartId(), tx, context);
     case NKikimrSchemeOp::EOperationType::ESchemeOpAlterCdcStream:
-        return CreateAlterCdcStream(NextPartId(), tx, context); 
+        return CreateAlterCdcStream(NextPartId(), tx, context);
     case NKikimrSchemeOp::EOperationType::ESchemeOpDropCdcStream:
-        return CreateDropCdcStream(NextPartId(), tx, context); 
+        return CreateDropCdcStream(NextPartId(), tx, context);
     case  NKikimrSchemeOp::EOperationType::ESchemeOpMoveTable:
         return CreateConsistentMoveTable(NextPartId(), tx, context);
-    default: 
-        return {ConstructPart(opType, tx)}; 
+    default:
+        return {ConstructPart(opType, tx)};
     }
 }
 
-bool TOperation::AddPublishingPath(TPathId pathId, ui64 version) { 
-    Y_VERIFY(!IsReadyToNotify()); 
-    return Publications.emplace(pathId, version).second; 
-} 
- 
-bool TOperation::IsPublished() const { 
-    return Publications.empty(); 
-} 
- 
+bool TOperation::AddPublishingPath(TPathId pathId, ui64 version) {
+    Y_VERIFY(!IsReadyToNotify());
+    return Publications.emplace(pathId, version).second;
+}
+
+bool TOperation::IsPublished() const {
+    return Publications.empty();
+}
+
 void TOperation::ReadyToNotifyPart(TSubTxId partId) {
     ReadyToNotifyParts.insert(partId);
 }
@@ -1152,14 +1152,14 @@ bool TOperation::IsReadyToNotify(const TActorContext& ctx) const {
     LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                 "TOperation IsReadyToNotify"
                     << ", TxId: " << TxId
-                    << ", ready parts: " << ReadyToNotifyParts.size() << "/" << Parts.size() 
-                    << ", is published: " << (IsPublished() ? "true" : "false")); 
+                    << ", ready parts: " << ReadyToNotifyParts.size() << "/" << Parts.size()
+                    << ", is published: " << (IsPublished() ? "true" : "false"));
 
     return IsReadyToNotify();
 }
 
 bool TOperation::IsReadyToNotify() const {
-    return IsPublished() && ReadyToNotifyParts.size() == Parts.size(); 
+    return IsPublished() && ReadyToNotifyParts.size() == Parts.size();
 }
 
 void TOperation::AddNotifySubscriber(const TActorId& actorId) {
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation.h b/ydb/core/tx/schemeshard/schemeshard__operation.h
index d9e7c4ea38..52f1848aa1 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation.h
+++ b/ydb/core/tx/schemeshard/schemeshard__operation.h
@@ -31,9 +31,9 @@ struct TOperation: TSimpleRefCount<TOperation> {
     using TProposeShards = std::tuple<TSubTxId, TTabletId>;
     TDeque<TProposeShards> ShardsProposes;
 
-    using TPublishPath = std::pair<TPathId, ui64>; 
-    TSet<TPublishPath> Publications; 
- 
+    using TPublishPath = std::pair<TPathId, ui64>;
+    TSet<TPublishPath> Publications;
+
     THashSet<TSubTxId> ReadyToNotifyParts;
     THashSet<TSubTxId> DoneParts;
     THashMap<TPathId, NKikimrSchemeOp::EPathState> ReleasePathAtDone;
@@ -67,16 +67,16 @@ struct TOperation: TSimpleRefCount<TOperation> {
     static TConsumeQuotaResult ConsumeQuota(const TTxTransaction& tx, const TOperationContext& context);
 
     static TSplitTransactionsResult SplitIntoTransactions(const TTxTransaction& tx, const TOperationContext& context);
- 
+
     ISubOperationBase::TPtr RestorePart(TTxState::ETxType opType, TTxState::ETxState opState);
 
     ISubOperationBase::TPtr ConstructPart(NKikimrSchemeOp::EOperationType opType, const TTxTransaction& tx);
     TVector<ISubOperationBase::TPtr> ConstructParts(const TTxTransaction& tx, TOperationContext& context);
     void AddPart(ISubOperationBase::TPtr part) { Parts.push_back(part);}
 
-    bool AddPublishingPath(TPathId pathId, ui64 version); 
-    bool IsPublished() const; 
- 
+    bool AddPublishingPath(TPathId pathId, ui64 version);
+    bool IsPublished() const;
+
     void ReadyToNotifyPart(TSubTxId partId);
     bool IsReadyToNotify(const TActorContext& ctx) const;
     bool IsReadyToNotify() const;
@@ -136,9 +136,9 @@ private:
     TOperationId NextPartId() { return TOperationId(TxId, TSubTxId(Parts.size())); }
 };
 
-inline TOperationId NextPartId(const TOperationId& opId, const TVector<ISubOperationBase::TPtr>& parts) { 
-    return TOperationId(opId.GetTxId(), opId.GetSubTxId() + parts.size()); 
+inline TOperationId NextPartId(const TOperationId& opId, const TVector<ISubOperationBase::TPtr>& parts) {
+    return TOperationId(opId.GetTxId(), opId.GetSubTxId() + parts.size());
+}
+
 }
- 
 }
-} 
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_alter_bsv.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_alter_bsv.cpp
index 54407b3f3d..27455e4627 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_alter_bsv.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_alter_bsv.cpp
@@ -12,8 +12,8 @@ using namespace NKikimr;
 using namespace NSchemeShard;
 
 class TAlterBlockStoreVolume: public TSubOperation {
-    const TOperationId OperationId; 
-    const TTxTransaction Transaction; 
+    const TOperationId OperationId;
+    const TTxTransaction Transaction;
     TTxState::ETxState State = TTxState::Invalid;
 
     TTxState::ETxState NextState() {
@@ -27,8 +27,8 @@ class TAlterBlockStoreVolume: public TSubOperation {
             return TTxState::ConfigureParts;
         case TTxState::ConfigureParts:
             return TTxState::Propose; // DONE ???
-        case TTxState::Propose: 
-            return TTxState::Done; 
+        case TTxState::Propose:
+            return TTxState::Done;
         default:
             return TTxState::Invalid;
         }
@@ -44,7 +44,7 @@ class TAlterBlockStoreVolume: public TSubOperation {
             return THolder(new NBSVState::TConfigureParts(OperationId));
         case TTxState::Propose:
             return THolder(new NBSVState::TPropose(OperationId));
-        case TTxState::Done: 
+        case TTxState::Done:
             return THolder(new TDone(OperationId));
         default:
             return nullptr;
@@ -61,11 +61,11 @@ class TAlterBlockStoreVolume: public TSubOperation {
     }
 
 public:
-    TAlterBlockStoreVolume(TOperationId id, const TTxTransaction& tx) 
+    TAlterBlockStoreVolume(TOperationId id, const TTxTransaction& tx)
         : OperationId(id)
-        , Transaction(tx) 
-    { 
-    } 
+        , Transaction(tx)
+    {
+    }
 
     TAlterBlockStoreVolume(TOperationId id, TTxState::ETxState state)
         : OperationId(id)
@@ -404,10 +404,10 @@ public:
     THolder<TProposeResponse> Propose(const TString&, TOperationContext& context) override {
         const TTabletId ssId = context.SS->SelfTabletId();
 
-        const auto& alter = Transaction.GetAlterBlockStoreVolume(); 
+        const auto& alter = Transaction.GetAlterBlockStoreVolume();
 
-        const TString& parentPathStr = Transaction.GetWorkingDir(); 
-        const TString& name = alter.GetName(); 
+        const TString& parentPathStr = Transaction.GetWorkingDir();
+        const TString& name = alter.GetName();
         const TPathId pathId = alter.HasPathId()
             ? context.SS->MakeLocalId(alter.GetPathId()) : InvalidPathId;
 
@@ -438,8 +438,8 @@ public:
 
         {
             TPath::TChecker checks = path.Check();
-            checks 
-                .NotEmpty() 
+            checks
+                .NotEmpty()
                 .NotUnderDomainUpgrade()
                 .IsAtLocalSchemeShard()
                 .IsResolved()
@@ -559,7 +559,7 @@ public:
             return result;
         }
 
-        if (!context.SS->CheckApplyIf(Transaction, errStr)) { 
+        if (!context.SS->CheckApplyIf(Transaction, errStr)) {
             result->SetError(NKikimrScheme::StatusPreconditionFailed, errStr);
             return result;
         }
@@ -648,16 +648,16 @@ public:
         return result;
     }
 
-    void AbortPropose(TOperationContext&) override { 
-        Y_FAIL("no AbortPropose for TAlterBlockStoreVolume"); 
-    } 
- 
+    void AbortPropose(TOperationContext&) override {
+        Y_FAIL("no AbortPropose for TAlterBlockStoreVolume");
+    }
+
     void AbortUnsafe(TTxId forceDropTxId, TOperationContext& context) override {
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TAlterBlockStoreVolume AbortUnsafe"
                          << ", opId: " << OperationId
                          << ", forceDropId: " << forceDropTxId
-                         << ", at schemeshard: " << context.SS->TabletID()); 
+                         << ", at schemeshard: " << context.SS->TabletID());
 
         context.OnComplete.DoneOperation(OperationId);
     }
@@ -668,12 +668,12 @@ public:
 namespace NKikimr {
 namespace NSchemeShard {
 
-ISubOperationBase::TPtr CreateAlterBSV(TOperationId id, const TTxTransaction& tx) { 
-    return new TAlterBlockStoreVolume(id, tx); 
-} 
- 
+ISubOperationBase::TPtr CreateAlterBSV(TOperationId id, const TTxTransaction& tx) {
+    return new TAlterBlockStoreVolume(id, tx);
+}
+
 ISubOperationBase::TPtr CreateAlterBSV(TOperationId id, TTxState::ETxState state) {
-    Y_VERIFY(state != TTxState::Invalid); 
+    Y_VERIFY(state != TTxState::Invalid);
     return new TAlterBlockStoreVolume(id, state);
 }
 
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_alter_cdc_stream.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_alter_cdc_stream.cpp
index ee3a632b48..d7027b570e 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_alter_cdc_stream.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_alter_cdc_stream.cpp
@@ -1,546 +1,546 @@
-#include "schemeshard__operation_part.h" 
-#include "schemeshard__operation_common.h" 
-#include "schemeshard_impl.h" 
- 
-#define LOG_D(stream) LOG_DEBUG_S (context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "[" << context.SS->TabletID() << "] " << stream) 
-#define LOG_I(stream) LOG_INFO_S  (context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "[" << context.SS->TabletID() << "] " << stream) 
-#define LOG_N(stream) LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "[" << context.SS->TabletID() << "] " << stream) 
- 
-namespace NKikimr { 
+#include "schemeshard__operation_part.h"
+#include "schemeshard__operation_common.h"
+#include "schemeshard_impl.h"
+
+#define LOG_D(stream) LOG_DEBUG_S (context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "[" << context.SS->TabletID() << "] " << stream)
+#define LOG_I(stream) LOG_INFO_S  (context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "[" << context.SS->TabletID() << "] " << stream)
+#define LOG_N(stream) LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "[" << context.SS->TabletID() << "] " << stream)
+
+namespace NKikimr {
 namespace NSchemeShard {
- 
-namespace { 
- 
-class TPropose: public TSubOperationState { 
+
+namespace {
+
+class TPropose: public TSubOperationState {
     TString DebugHint() const override {
-        return TStringBuilder() 
-            << "AlterCdcStream TPropose" 
-            << " opId# " << OperationId << " "; 
-    } 
- 
-public: 
-    explicit TPropose(TOperationId id) 
-        : OperationId(id) 
-    { 
-        IgnoreMessages(DebugHint(), {}); 
-    } 
- 
-    bool ProgressState(TOperationContext& context) override { 
-        LOG_I(DebugHint() << "ProgressState"); 
- 
-        const auto* txState = context.SS->FindTx(OperationId); 
-        Y_VERIFY(txState); 
-        Y_VERIFY(txState->TxType == TTxState::TxAlterCdcStream); 
- 
-        // TODO(KIKIMR-12278): shards 
- 
-        context.OnComplete.ProposeToCoordinator(OperationId, txState->TargetPathId, TStepId(0)); 
-        return false; 
-    } 
- 
-    bool HandleReply(TEvPrivate::TEvOperationPlan::TPtr& ev, TOperationContext& context) override { 
-        const auto step = TStepId(ev->Get()->StepId); 
- 
-        LOG_I(DebugHint() << "HandleReply TEvOperationPlan" 
-            << ": step# " << step); 
- 
-        const auto* txState = context.SS->FindTx(OperationId); 
-        Y_VERIFY(txState); 
-        Y_VERIFY(txState->TxType == TTxState::TxAlterCdcStream); 
-        const auto& pathId = txState->TargetPathId; 
- 
-        Y_VERIFY(context.SS->PathsById.contains(pathId)); 
-        auto path = context.SS->PathsById.at(pathId); 
- 
-        Y_VERIFY(context.SS->CdcStreams.contains(pathId)); 
-        auto stream = context.SS->CdcStreams.at(pathId); 
- 
-        NIceDb::TNiceDb db(context.Txc.DB); 
- 
-        context.SS->PersistCdcStream(db, pathId); 
-        context.SS->CdcStreams[pathId] = stream->AlterData; 
- 
-        context.SS->ClearDescribePathCaches(path); 
-        context.OnComplete.PublishToSchemeBoard(OperationId, pathId); 
- 
-        context.SS->ChangeTxState(db, OperationId, TTxState::Done); 
-        return true; 
-    } 
- 
-private: 
-    const TOperationId OperationId; 
- 
-}; // TPropose 
- 
-class TAlterCdcStream: public TSubOperation { 
-    static TTxState::ETxState NextState() { 
-        return TTxState::Propose; 
-    } 
- 
-    static TTxState::ETxState NextState(TTxState::ETxState state) { 
-        switch (state) { 
-        case TTxState::Propose: 
-            return TTxState::Done; 
-        default: 
-            return TTxState::Invalid; 
-        } 
-    } 
- 
-    TSubOperationState::TPtr SelectStateFunc(TTxState::ETxState state) { 
-        switch (state) { 
-        case TTxState::Propose: 
-            return THolder(new TPropose(OperationId)); 
-        case TTxState::Done: 
-            return THolder(new TDone(OperationId)); 
-        default: 
-            return nullptr; 
-        } 
-    } 
- 
-    void StateDone(TOperationContext& context) override { 
-        State = NextState(State); 
- 
-        if (State != TTxState::Invalid) { 
-            SetState(SelectStateFunc(State)); 
-            context.OnComplete.ActivateTx(OperationId); 
-        } 
-    } 
- 
-public: 
-    explicit TAlterCdcStream(TOperationId id, const TTxTransaction& tx) 
-        : OperationId(id) 
-        , Transaction(tx) 
-        , State(TTxState::Invalid) 
-    { 
-    } 
- 
-    explicit TAlterCdcStream(TOperationId id, TTxState::ETxState state) 
-        : OperationId(id) 
-        , State(state) 
-    { 
-        SetState(SelectStateFunc(state)); 
-    } 
- 
+        return TStringBuilder()
+            << "AlterCdcStream TPropose"
+            << " opId# " << OperationId << " ";
+    }
+
+public:
+    explicit TPropose(TOperationId id)
+        : OperationId(id)
+    {
+        IgnoreMessages(DebugHint(), {});
+    }
+
+    bool ProgressState(TOperationContext& context) override {
+        LOG_I(DebugHint() << "ProgressState");
+
+        const auto* txState = context.SS->FindTx(OperationId);
+        Y_VERIFY(txState);
+        Y_VERIFY(txState->TxType == TTxState::TxAlterCdcStream);
+
+        // TODO(KIKIMR-12278): shards
+
+        context.OnComplete.ProposeToCoordinator(OperationId, txState->TargetPathId, TStepId(0));
+        return false;
+    }
+
+    bool HandleReply(TEvPrivate::TEvOperationPlan::TPtr& ev, TOperationContext& context) override {
+        const auto step = TStepId(ev->Get()->StepId);
+
+        LOG_I(DebugHint() << "HandleReply TEvOperationPlan"
+            << ": step# " << step);
+
+        const auto* txState = context.SS->FindTx(OperationId);
+        Y_VERIFY(txState);
+        Y_VERIFY(txState->TxType == TTxState::TxAlterCdcStream);
+        const auto& pathId = txState->TargetPathId;
+
+        Y_VERIFY(context.SS->PathsById.contains(pathId));
+        auto path = context.SS->PathsById.at(pathId);
+
+        Y_VERIFY(context.SS->CdcStreams.contains(pathId));
+        auto stream = context.SS->CdcStreams.at(pathId);
+
+        NIceDb::TNiceDb db(context.Txc.DB);
+
+        context.SS->PersistCdcStream(db, pathId);
+        context.SS->CdcStreams[pathId] = stream->AlterData;
+
+        context.SS->ClearDescribePathCaches(path);
+        context.OnComplete.PublishToSchemeBoard(OperationId, pathId);
+
+        context.SS->ChangeTxState(db, OperationId, TTxState::Done);
+        return true;
+    }
+
+private:
+    const TOperationId OperationId;
+
+}; // TPropose
+
+class TAlterCdcStream: public TSubOperation {
+    static TTxState::ETxState NextState() {
+        return TTxState::Propose;
+    }
+
+    static TTxState::ETxState NextState(TTxState::ETxState state) {
+        switch (state) {
+        case TTxState::Propose:
+            return TTxState::Done;
+        default:
+            return TTxState::Invalid;
+        }
+    }
+
+    TSubOperationState::TPtr SelectStateFunc(TTxState::ETxState state) {
+        switch (state) {
+        case TTxState::Propose:
+            return THolder(new TPropose(OperationId));
+        case TTxState::Done:
+            return THolder(new TDone(OperationId));
+        default:
+            return nullptr;
+        }
+    }
+
+    void StateDone(TOperationContext& context) override {
+        State = NextState(State);
+
+        if (State != TTxState::Invalid) {
+            SetState(SelectStateFunc(State));
+            context.OnComplete.ActivateTx(OperationId);
+        }
+    }
+
+public:
+    explicit TAlterCdcStream(TOperationId id, const TTxTransaction& tx)
+        : OperationId(id)
+        , Transaction(tx)
+        , State(TTxState::Invalid)
+    {
+    }
+
+    explicit TAlterCdcStream(TOperationId id, TTxState::ETxState state)
+        : OperationId(id)
+        , State(state)
+    {
+        SetState(SelectStateFunc(state));
+    }
+
     THolder<TProposeResponse> Propose(const TString&, TOperationContext& context) override {
-        const auto& workingDir = Transaction.GetWorkingDir(); 
-        const auto& op = Transaction.GetAlterCdcStream(); 
-        const auto& streamName = op.GetStreamName(); 
- 
-        LOG_N("TAlterCdcStream Propose" 
-            << ": opId# " << OperationId 
-            << ", stream# " << workingDir << "/" << streamName); 
- 
+        const auto& workingDir = Transaction.GetWorkingDir();
+        const auto& op = Transaction.GetAlterCdcStream();
+        const auto& streamName = op.GetStreamName();
+
+        LOG_N("TAlterCdcStream Propose"
+            << ": opId# " << OperationId
+            << ", stream# " << workingDir << "/" << streamName);
+
         auto result = MakeHolder<TProposeResponse>(NKikimrScheme::StatusAccepted, ui64(OperationId.GetTxId()), context.SS->TabletID());
- 
-        const auto streamPath = TPath::Resolve(workingDir, context.SS).Dive(streamName); 
-        { 
-            const auto checks = streamPath.Check(); 
-            checks 
-                .NotEmpty() 
-                .NotUnderDomainUpgrade() 
-                .IsAtLocalSchemeShard() 
-                .IsResolved() 
-                .NotDeleted() 
-                .IsCdcStream() 
-                .NotUnderDeleting(); 
- 
-            if (!checks) { 
-                TString explain = TStringBuilder() << "path checks failed, path: " << streamPath.PathString(); 
-                const auto status = checks.GetStatus(&explain); 
-                result->SetError(status, explain); 
-                return result; 
-            } 
-        } 
- 
-        const auto tablePath = streamPath.Parent(); 
-        { 
-            const auto checks = tablePath.Check(); 
-            checks 
-                .NotEmpty() 
-                .NotUnderDomainUpgrade() 
-                .IsAtLocalSchemeShard() 
-                .IsResolved() 
-                .NotDeleted() 
-                .IsTable() 
-                .IsCommonSensePath() 
-                .NotUnderOperation(); 
- 
-            if (!checks) { 
-                TString explain = TStringBuilder() << "path checks failed, path: " << tablePath.PathString(); 
-                const auto status = checks.GetStatus(&explain); 
-                result->SetError(status, explain); 
-                return result; 
-            } 
-        } 
- 
-        context.DbChanges.PersistAlterCdcStream(streamPath.Base()->PathId); 
-        context.DbChanges.PersistTxState(OperationId); 
- 
-        Y_VERIFY(context.SS->CdcStreams.contains(streamPath.Base()->PathId)); 
-        auto stream = context.SS->CdcStreams.at(streamPath.Base()->PathId); 
- 
-        auto streamAlter = stream->CreateNextVersion(); 
-        Y_VERIFY(streamAlter); 
- 
-        switch (op.GetActionCase()) { 
+
+        const auto streamPath = TPath::Resolve(workingDir, context.SS).Dive(streamName);
+        {
+            const auto checks = streamPath.Check();
+            checks
+                .NotEmpty()
+                .NotUnderDomainUpgrade()
+                .IsAtLocalSchemeShard()
+                .IsResolved()
+                .NotDeleted()
+                .IsCdcStream()
+                .NotUnderDeleting();
+
+            if (!checks) {
+                TString explain = TStringBuilder() << "path checks failed, path: " << streamPath.PathString();
+                const auto status = checks.GetStatus(&explain);
+                result->SetError(status, explain);
+                return result;
+            }
+        }
+
+        const auto tablePath = streamPath.Parent();
+        {
+            const auto checks = tablePath.Check();
+            checks
+                .NotEmpty()
+                .NotUnderDomainUpgrade()
+                .IsAtLocalSchemeShard()
+                .IsResolved()
+                .NotDeleted()
+                .IsTable()
+                .IsCommonSensePath()
+                .NotUnderOperation();
+
+            if (!checks) {
+                TString explain = TStringBuilder() << "path checks failed, path: " << tablePath.PathString();
+                const auto status = checks.GetStatus(&explain);
+                result->SetError(status, explain);
+                return result;
+            }
+        }
+
+        context.DbChanges.PersistAlterCdcStream(streamPath.Base()->PathId);
+        context.DbChanges.PersistTxState(OperationId);
+
+        Y_VERIFY(context.SS->CdcStreams.contains(streamPath.Base()->PathId));
+        auto stream = context.SS->CdcStreams.at(streamPath.Base()->PathId);
+
+        auto streamAlter = stream->CreateNextVersion();
+        Y_VERIFY(streamAlter);
+
+        switch (op.GetActionCase()) {
         case NKikimrSchemeOp::TAlterCdcStream::kDisable:
-            streamAlter->State = TCdcStreamInfo::EState::ECdcStreamStateDisabled; 
-            break; 
-        default: 
+            streamAlter->State = TCdcStreamInfo::EState::ECdcStreamStateDisabled;
+            break;
+        default:
             result->SetError(NKikimrScheme::StatusInvalidParameter, TStringBuilder()
-                << "Unknown action: " << static_cast<ui32>(op.GetActionCase())); 
-            return result; 
-        } 
- 
-        Y_VERIFY(!context.SS->FindTx(OperationId)); 
-        auto& txState = context.SS->CreateTx(OperationId, TTxState::TxAlterCdcStream, streamPath.Base()->PathId); 
-        txState.State = TTxState::Propose; 
-        txState.MinStep = TStepId(1); 
- 
-        streamPath.Base()->PathState = TPathElement::EPathState::EPathStateAlter; 
-        streamPath.Base()->LastTxId = OperationId.GetTxId(); 
- 
-        context.OnComplete.ActivateTx(OperationId); 
- 
-        State = NextState(); 
-        SetState(SelectStateFunc(State)); 
- 
-        return result; 
-    } 
- 
-    void AbortPropose(TOperationContext&) override { 
-        Y_FAIL("no AbortPropose for TAlterCdcStream"); 
-    } 
- 
-    void AbortUnsafe(TTxId txId, TOperationContext& context) override { 
-        LOG_N("TAlterCdcStream AbortUnsafe" 
-            << ": opId# " << OperationId 
-            << ", txId# " << txId); 
-        context.OnComplete.DoneOperation(OperationId); 
-    } 
- 
-private: 
-    const TOperationId OperationId; 
-    const TTxTransaction Transaction; 
-    TTxState::ETxState State; 
- 
-}; // TAlterCdcStream 
- 
-class TConfigurePartsAtTable: public NCdcStreamState::TConfigurePartsAtTable { 
-protected: 
-    void FillNotice(const TPathId& pathId, NKikimrTxDataShard::TFlatSchemeTransaction& tx, TOperationContext& context) const override { 
-        Y_VERIFY(context.SS->PathsById.contains(pathId)); 
-        auto path = context.SS->PathsById.at(pathId); 
- 
-        Y_VERIFY(context.SS->Tables.contains(pathId)); 
-        auto table = context.SS->Tables.at(pathId); 
- 
-        auto& notice = *tx.MutableAlterCdcStreamNotice(); 
-        PathIdFromPathId(pathId, notice.MutablePathId()); 
-        notice.SetTableSchemaVersion(table->AlterVersion + 1); 
- 
-        bool found = false; 
-        for (const auto& [childName, childPathId] : path->GetChildren()) { 
-            Y_VERIFY(context.SS->PathsById.contains(childPathId)); 
-            auto childPath = context.SS->PathsById.at(childPathId); 
- 
-            if (!childPath->IsCdcStream() || childPath->Dropped() || childPath->NormalState()) { 
-                continue; 
-            } 
- 
-            Y_VERIFY(context.SS->CdcStreams.contains(childPathId)); 
-            auto stream = context.SS->CdcStreams.at(childPathId); 
- 
-            Y_VERIFY_S(!found, "Too many cdc streams are planned to alter" 
-                << ": found# " << PathIdFromPathId(notice.GetStreamDescription().GetPathId()) 
-                << ", another# " << childPathId); 
-            found = true; 
- 
-            Y_VERIFY(stream->AlterData); 
-            context.SS->DescribeCdcStream(childPathId, childName, stream->AlterData, *notice.MutableStreamDescription()); 
-        } 
-    } 
- 
-public: 
-    using NCdcStreamState::TConfigurePartsAtTable::TConfigurePartsAtTable; 
- 
-}; // TConfigurePartsAtTable 
- 
-class TAlterCdcStreamAtTable: public TSubOperation { 
-    static TTxState::ETxState NextState() { 
-        return TTxState::ConfigureParts; 
-    } 
- 
-    static TTxState::ETxState NextState(TTxState::ETxState state) { 
-        switch (state) { 
-        case TTxState::Waiting: 
-        case TTxState::ConfigureParts: 
-            return TTxState::Propose; 
-        case TTxState::Propose: 
-            return TTxState::ProposedWaitParts; 
-        case TTxState::ProposedWaitParts: 
-            return TTxState::Done; 
-        default: 
-            return TTxState::Invalid; 
-        } 
- 
-        return TTxState::Invalid; 
-    } 
- 
-    TSubOperationState::TPtr SelectStateFunc(TTxState::ETxState state) { 
-        switch (state) { 
-        case TTxState::Waiting: 
-        case TTxState::ConfigureParts: 
-            return THolder(new TConfigurePartsAtTable(OperationId)); 
-        case TTxState::Propose: 
-            return THolder(new NCdcStreamState::TProposeAtTable(OperationId)); 
-        case TTxState::ProposedWaitParts: 
-            return THolder(new NTableState::TProposedWaitParts(OperationId)); 
-        case TTxState::Done: 
-            return THolder(new TDone(OperationId)); 
-        default: 
-            return nullptr; 
-        } 
-    } 
- 
-    void StateDone(TOperationContext& context) override { 
-        State = NextState(State); 
- 
-        if (State != TTxState::Invalid) { 
-            SetState(SelectStateFunc(State)); 
-            context.OnComplete.ActivateTx(OperationId); 
-        } 
-    } 
- 
-public: 
-    explicit TAlterCdcStreamAtTable(TOperationId id, const TTxTransaction& tx) 
-        : OperationId(id) 
-        , Transaction(tx) 
-        , State(TTxState::Invalid) 
-    { 
-    } 
- 
-    explicit TAlterCdcStreamAtTable(TOperationId id, TTxState::ETxState state) 
-        : OperationId(id) 
-        , State(state) 
-    { 
-        SetState(SelectStateFunc(state)); 
-    } 
- 
+                << "Unknown action: " << static_cast<ui32>(op.GetActionCase()));
+            return result;
+        }
+
+        Y_VERIFY(!context.SS->FindTx(OperationId));
+        auto& txState = context.SS->CreateTx(OperationId, TTxState::TxAlterCdcStream, streamPath.Base()->PathId);
+        txState.State = TTxState::Propose;
+        txState.MinStep = TStepId(1);
+
+        streamPath.Base()->PathState = TPathElement::EPathState::EPathStateAlter;
+        streamPath.Base()->LastTxId = OperationId.GetTxId();
+
+        context.OnComplete.ActivateTx(OperationId);
+
+        State = NextState();
+        SetState(SelectStateFunc(State));
+
+        return result;
+    }
+
+    void AbortPropose(TOperationContext&) override {
+        Y_FAIL("no AbortPropose for TAlterCdcStream");
+    }
+
+    void AbortUnsafe(TTxId txId, TOperationContext& context) override {
+        LOG_N("TAlterCdcStream AbortUnsafe"
+            << ": opId# " << OperationId
+            << ", txId# " << txId);
+        context.OnComplete.DoneOperation(OperationId);
+    }
+
+private:
+    const TOperationId OperationId;
+    const TTxTransaction Transaction;
+    TTxState::ETxState State;
+
+}; // TAlterCdcStream
+
+class TConfigurePartsAtTable: public NCdcStreamState::TConfigurePartsAtTable {
+protected:
+    void FillNotice(const TPathId& pathId, NKikimrTxDataShard::TFlatSchemeTransaction& tx, TOperationContext& context) const override {
+        Y_VERIFY(context.SS->PathsById.contains(pathId));
+        auto path = context.SS->PathsById.at(pathId);
+
+        Y_VERIFY(context.SS->Tables.contains(pathId));
+        auto table = context.SS->Tables.at(pathId);
+
+        auto& notice = *tx.MutableAlterCdcStreamNotice();
+        PathIdFromPathId(pathId, notice.MutablePathId());
+        notice.SetTableSchemaVersion(table->AlterVersion + 1);
+
+        bool found = false;
+        for (const auto& [childName, childPathId] : path->GetChildren()) {
+            Y_VERIFY(context.SS->PathsById.contains(childPathId));
+            auto childPath = context.SS->PathsById.at(childPathId);
+
+            if (!childPath->IsCdcStream() || childPath->Dropped() || childPath->NormalState()) {
+                continue;
+            }
+
+            Y_VERIFY(context.SS->CdcStreams.contains(childPathId));
+            auto stream = context.SS->CdcStreams.at(childPathId);
+
+            Y_VERIFY_S(!found, "Too many cdc streams are planned to alter"
+                << ": found# " << PathIdFromPathId(notice.GetStreamDescription().GetPathId())
+                << ", another# " << childPathId);
+            found = true;
+
+            Y_VERIFY(stream->AlterData);
+            context.SS->DescribeCdcStream(childPathId, childName, stream->AlterData, *notice.MutableStreamDescription());
+        }
+    }
+
+public:
+    using NCdcStreamState::TConfigurePartsAtTable::TConfigurePartsAtTable;
+
+}; // TConfigurePartsAtTable
+
+class TAlterCdcStreamAtTable: public TSubOperation {
+    static TTxState::ETxState NextState() {
+        return TTxState::ConfigureParts;
+    }
+
+    static TTxState::ETxState NextState(TTxState::ETxState state) {
+        switch (state) {
+        case TTxState::Waiting:
+        case TTxState::ConfigureParts:
+            return TTxState::Propose;
+        case TTxState::Propose:
+            return TTxState::ProposedWaitParts;
+        case TTxState::ProposedWaitParts:
+            return TTxState::Done;
+        default:
+            return TTxState::Invalid;
+        }
+
+        return TTxState::Invalid;
+    }
+
+    TSubOperationState::TPtr SelectStateFunc(TTxState::ETxState state) {
+        switch (state) {
+        case TTxState::Waiting:
+        case TTxState::ConfigureParts:
+            return THolder(new TConfigurePartsAtTable(OperationId));
+        case TTxState::Propose:
+            return THolder(new NCdcStreamState::TProposeAtTable(OperationId));
+        case TTxState::ProposedWaitParts:
+            return THolder(new NTableState::TProposedWaitParts(OperationId));
+        case TTxState::Done:
+            return THolder(new TDone(OperationId));
+        default:
+            return nullptr;
+        }
+    }
+
+    void StateDone(TOperationContext& context) override {
+        State = NextState(State);
+
+        if (State != TTxState::Invalid) {
+            SetState(SelectStateFunc(State));
+            context.OnComplete.ActivateTx(OperationId);
+        }
+    }
+
+public:
+    explicit TAlterCdcStreamAtTable(TOperationId id, const TTxTransaction& tx)
+        : OperationId(id)
+        , Transaction(tx)
+        , State(TTxState::Invalid)
+    {
+    }
+
+    explicit TAlterCdcStreamAtTable(TOperationId id, TTxState::ETxState state)
+        : OperationId(id)
+        , State(state)
+    {
+        SetState(SelectStateFunc(state));
+    }
+
     THolder<TProposeResponse> Propose(const TString&, TOperationContext& context) override {
-        const auto& workingDir = Transaction.GetWorkingDir(); 
-        const auto& op = Transaction.GetAlterCdcStream(); 
-        const auto& tableName = op.GetTableName(); 
-        const auto& streamName = op.GetStreamName(); 
- 
-        LOG_N("TAlterCdcStreamAtTable Propose" 
-            << ": opId# " << OperationId 
-            << ", stream# " << workingDir << "/" << tableName << "/" << streamName); 
- 
+        const auto& workingDir = Transaction.GetWorkingDir();
+        const auto& op = Transaction.GetAlterCdcStream();
+        const auto& tableName = op.GetTableName();
+        const auto& streamName = op.GetStreamName();
+
+        LOG_N("TAlterCdcStreamAtTable Propose"
+            << ": opId# " << OperationId
+            << ", stream# " << workingDir << "/" << tableName << "/" << streamName);
+
         auto result = MakeHolder<TProposeResponse>(NKikimrScheme::StatusAccepted, ui64(OperationId.GetTxId()), context.SS->TabletID());
- 
-        const auto tablePath = TPath::Resolve(workingDir, context.SS).Dive(tableName); 
-        { 
-            const auto checks = tablePath.Check(); 
-            checks 
-                .NotEmpty() 
-                .NotUnderDomainUpgrade() 
-                .IsAtLocalSchemeShard() 
-                .IsResolved() 
-                .NotDeleted() 
-                .IsTable() 
-                .IsCommonSensePath() 
-                .NotUnderDeleting() 
-                .NotUnderOperation(); 
- 
-            if (!checks) { 
-                TString explain = TStringBuilder() << "path checks failed, path: " << tablePath.PathString(); 
-                const auto status = checks.GetStatus(&explain); 
-                result->SetError(status, explain); 
-                return result; 
-            } 
-        } 
- 
-        const auto streamPath = tablePath.Child(streamName); 
-        { 
-            const auto checks = streamPath.Check(); 
-            checks 
-                .NotEmpty() 
-                .NotUnderDomainUpgrade() 
-                .IsAtLocalSchemeShard() 
-                .IsResolved() 
-                .NotDeleted() 
-                .IsCdcStream() 
-                .IsUnderOperation() 
-                .IsUnderTheSameOperation(OperationId.GetTxId()); 
- 
-            if (!checks) { 
-                TString explain = TStringBuilder() << "path checks failed, path: " << streamPath.PathString(); 
-                const auto status = checks.GetStatus(&explain); 
-                result->SetError(status, explain); 
-                return result; 
-            } 
-        } 
- 
-        TString errStr; 
-        if (!context.SS->CheckApplyIf(Transaction, errStr)) { 
+
+        const auto tablePath = TPath::Resolve(workingDir, context.SS).Dive(tableName);
+        {
+            const auto checks = tablePath.Check();
+            checks
+                .NotEmpty()
+                .NotUnderDomainUpgrade()
+                .IsAtLocalSchemeShard()
+                .IsResolved()
+                .NotDeleted()
+                .IsTable()
+                .IsCommonSensePath()
+                .NotUnderDeleting()
+                .NotUnderOperation();
+
+            if (!checks) {
+                TString explain = TStringBuilder() << "path checks failed, path: " << tablePath.PathString();
+                const auto status = checks.GetStatus(&explain);
+                result->SetError(status, explain);
+                return result;
+            }
+        }
+
+        const auto streamPath = tablePath.Child(streamName);
+        {
+            const auto checks = streamPath.Check();
+            checks
+                .NotEmpty()
+                .NotUnderDomainUpgrade()
+                .IsAtLocalSchemeShard()
+                .IsResolved()
+                .NotDeleted()
+                .IsCdcStream()
+                .IsUnderOperation()
+                .IsUnderTheSameOperation(OperationId.GetTxId());
+
+            if (!checks) {
+                TString explain = TStringBuilder() << "path checks failed, path: " << streamPath.PathString();
+                const auto status = checks.GetStatus(&explain);
+                result->SetError(status, explain);
+                return result;
+            }
+        }
+
+        TString errStr;
+        if (!context.SS->CheckApplyIf(Transaction, errStr)) {
             result->SetError(NKikimrScheme::StatusPreconditionFailed, errStr);
-            return result; 
-        } 
- 
-        if (!context.SS->CheckLocks(tablePath.Base()->PathId, Transaction, errStr)) { 
+            return result;
+        }
+
+        if (!context.SS->CheckLocks(tablePath.Base()->PathId, Transaction, errStr)) {
             result->SetError(NKikimrScheme::StatusMultipleModifications, errStr);
-            return result; 
-        } 
- 
-        context.DbChanges.PersistTxState(OperationId); 
- 
-        Y_VERIFY(context.SS->Tables.contains(tablePath.Base()->PathId)); 
-        auto table = context.SS->Tables.at(tablePath.Base()->PathId); 
- 
-        Y_VERIFY(table->AlterVersion != 0); 
-        Y_VERIFY(!table->AlterData); 
- 
-        Y_VERIFY(context.SS->CdcStreams.contains(streamPath.Base()->PathId)); 
-        auto stream = context.SS->CdcStreams.at(streamPath.Base()->PathId); 
- 
-        Y_VERIFY(stream->AlterVersion != 0); 
-        Y_VERIFY(stream->AlterData); 
- 
-        Y_VERIFY(!context.SS->FindTx(OperationId)); 
-        auto& txState = context.SS->CreateTx(OperationId, TTxState::TxAlterCdcStreamAtTable, tablePath.Base()->PathId); 
-        txState.State = TTxState::ConfigureParts; 
- 
+            return result;
+        }
+
+        context.DbChanges.PersistTxState(OperationId);
+
+        Y_VERIFY(context.SS->Tables.contains(tablePath.Base()->PathId));
+        auto table = context.SS->Tables.at(tablePath.Base()->PathId);
+
+        Y_VERIFY(table->AlterVersion != 0);
+        Y_VERIFY(!table->AlterData);
+
+        Y_VERIFY(context.SS->CdcStreams.contains(streamPath.Base()->PathId));
+        auto stream = context.SS->CdcStreams.at(streamPath.Base()->PathId);
+
+        Y_VERIFY(stream->AlterVersion != 0);
+        Y_VERIFY(stream->AlterData);
+
+        Y_VERIFY(!context.SS->FindTx(OperationId));
+        auto& txState = context.SS->CreateTx(OperationId, TTxState::TxAlterCdcStreamAtTable, tablePath.Base()->PathId);
+        txState.State = TTxState::ConfigureParts;
+
         tablePath.Base()->PathState = NKikimrSchemeOp::EPathStateAlter;
-        tablePath.Base()->LastTxId = OperationId.GetTxId(); 
- 
-        for (const auto& splitOpId : table->GetSplitOpsInFlight()) { 
-            context.OnComplete.Dependence(splitOpId.GetTxId(), OperationId.GetTxId()); 
-        } 
- 
-        context.OnComplete.ActivateTx(OperationId); 
- 
-        State = NextState(); 
-        SetState(SelectStateFunc(State)); 
- 
-        return result; 
-    } 
- 
-    void AbortPropose(TOperationContext&) override { 
-        Y_FAIL("no AbortPropose for TAlterCdcStreamAtTable"); 
-    } 
- 
-    void AbortUnsafe(TTxId txId, TOperationContext& context) override { 
-        LOG_N("TAlterCdcStreamAtTable AbortUnsafe" 
-            << ": opId# " << OperationId 
-            << ", txId# " << txId); 
-        context.OnComplete.DoneOperation(OperationId); 
-    } 
- 
-private: 
-    const TOperationId OperationId; 
-    const TTxTransaction Transaction; 
-    TTxState::ETxState State; 
- 
-}; // TAlterCdcStreamAtTable 
- 
-} // anonymous 
- 
-ISubOperationBase::TPtr CreateAlterCdcStreamImpl(TOperationId id, const TTxTransaction& tx) { 
-    return new TAlterCdcStream(id, tx); 
-} 
- 
-ISubOperationBase::TPtr CreateAlterCdcStreamImpl(TOperationId id, TTxState::ETxState state) { 
-    return new TAlterCdcStream(id, state); 
-} 
- 
-ISubOperationBase::TPtr CreateAlterCdcStreamAtTable(TOperationId id, const TTxTransaction& tx) { 
-    return new TAlterCdcStreamAtTable(id, tx); 
-} 
- 
-ISubOperationBase::TPtr CreateAlterCdcStreamAtTable(TOperationId id, TTxState::ETxState state) { 
-    return new TAlterCdcStreamAtTable(id, state); 
-} 
- 
-TVector<ISubOperationBase::TPtr> CreateAlterCdcStream(TOperationId opId, const TTxTransaction& tx, TOperationContext& context) { 
+        tablePath.Base()->LastTxId = OperationId.GetTxId();
+
+        for (const auto& splitOpId : table->GetSplitOpsInFlight()) {
+            context.OnComplete.Dependence(splitOpId.GetTxId(), OperationId.GetTxId());
+        }
+
+        context.OnComplete.ActivateTx(OperationId);
+
+        State = NextState();
+        SetState(SelectStateFunc(State));
+
+        return result;
+    }
+
+    void AbortPropose(TOperationContext&) override {
+        Y_FAIL("no AbortPropose for TAlterCdcStreamAtTable");
+    }
+
+    void AbortUnsafe(TTxId txId, TOperationContext& context) override {
+        LOG_N("TAlterCdcStreamAtTable AbortUnsafe"
+            << ": opId# " << OperationId
+            << ", txId# " << txId);
+        context.OnComplete.DoneOperation(OperationId);
+    }
+
+private:
+    const TOperationId OperationId;
+    const TTxTransaction Transaction;
+    TTxState::ETxState State;
+
+}; // TAlterCdcStreamAtTable
+
+} // anonymous
+
+ISubOperationBase::TPtr CreateAlterCdcStreamImpl(TOperationId id, const TTxTransaction& tx) {
+    return new TAlterCdcStream(id, tx);
+}
+
+ISubOperationBase::TPtr CreateAlterCdcStreamImpl(TOperationId id, TTxState::ETxState state) {
+    return new TAlterCdcStream(id, state);
+}
+
+ISubOperationBase::TPtr CreateAlterCdcStreamAtTable(TOperationId id, const TTxTransaction& tx) {
+    return new TAlterCdcStreamAtTable(id, tx);
+}
+
+ISubOperationBase::TPtr CreateAlterCdcStreamAtTable(TOperationId id, TTxState::ETxState state) {
+    return new TAlterCdcStreamAtTable(id, state);
+}
+
+TVector<ISubOperationBase::TPtr> CreateAlterCdcStream(TOperationId opId, const TTxTransaction& tx, TOperationContext& context) {
     Y_VERIFY(tx.GetOperationType() == NKikimrSchemeOp::EOperationType::ESchemeOpAlterCdcStream);
- 
-    LOG_D("CreateAlterCdcStream" 
-        << ": opId# " << opId 
-        << ", tx# " << tx.ShortDebugString()); 
- 
-    const auto& op = tx.GetAlterCdcStream(); 
-    const auto& tableName = op.GetTableName(); 
-    const auto& streamName = op.GetStreamName(); 
- 
-    const auto workingDirPath = TPath::Resolve(tx.GetWorkingDir(), context.SS); 
- 
-    const auto tablePath = workingDirPath.Child(tableName); 
-    { 
-        const auto checks = tablePath.Check(); 
-        checks 
-            .NotEmpty() 
-            .NotUnderDomainUpgrade() 
-            .IsAtLocalSchemeShard() 
-            .IsResolved() 
-            .NotDeleted() 
-            .IsTable() 
-            .IsCommonSensePath() 
-            .NotUnderOperation(); 
- 
-        if (!checks) { 
-            TString explain = TStringBuilder() << "path checks failed, path: " << tablePath.PathString(); 
-            const auto status = checks.GetStatus(&explain); 
-            return {CreateReject(opId, status, explain)}; 
-        } 
-    } 
- 
-    const auto streamPath = tablePath.Child(streamName); 
-    { 
-        const auto checks = streamPath.Check(); 
-        checks 
-            .NotEmpty() 
-            .NotUnderDomainUpgrade() 
-            .IsAtLocalSchemeShard() 
-            .IsResolved() 
-            .NotDeleted() 
-            .IsCdcStream() 
-            .NotUnderOperation(); 
- 
-        if (!checks) { 
-            TString explain = TStringBuilder() << "path checks failed, path: " << streamPath.PathString(); 
-            const auto status = checks.GetStatus(&explain); 
-            return {CreateReject(opId, status, explain)}; 
-        } 
-    } 
- 
-    TString errStr; 
-    if (!context.SS->CheckApplyIf(tx, errStr)) { 
+
+    LOG_D("CreateAlterCdcStream"
+        << ": opId# " << opId
+        << ", tx# " << tx.ShortDebugString());
+
+    const auto& op = tx.GetAlterCdcStream();
+    const auto& tableName = op.GetTableName();
+    const auto& streamName = op.GetStreamName();
+
+    const auto workingDirPath = TPath::Resolve(tx.GetWorkingDir(), context.SS);
+
+    const auto tablePath = workingDirPath.Child(tableName);
+    {
+        const auto checks = tablePath.Check();
+        checks
+            .NotEmpty()
+            .NotUnderDomainUpgrade()
+            .IsAtLocalSchemeShard()
+            .IsResolved()
+            .NotDeleted()
+            .IsTable()
+            .IsCommonSensePath()
+            .NotUnderOperation();
+
+        if (!checks) {
+            TString explain = TStringBuilder() << "path checks failed, path: " << tablePath.PathString();
+            const auto status = checks.GetStatus(&explain);
+            return {CreateReject(opId, status, explain)};
+        }
+    }
+
+    const auto streamPath = tablePath.Child(streamName);
+    {
+        const auto checks = streamPath.Check();
+        checks
+            .NotEmpty()
+            .NotUnderDomainUpgrade()
+            .IsAtLocalSchemeShard()
+            .IsResolved()
+            .NotDeleted()
+            .IsCdcStream()
+            .NotUnderOperation();
+
+        if (!checks) {
+            TString explain = TStringBuilder() << "path checks failed, path: " << streamPath.PathString();
+            const auto status = checks.GetStatus(&explain);
+            return {CreateReject(opId, status, explain)};
+        }
+    }
+
+    TString errStr;
+    if (!context.SS->CheckApplyIf(tx, errStr)) {
         return {CreateReject(opId, NKikimrScheme::StatusPreconditionFailed, errStr)};
-    } 
- 
-    if (!context.SS->CheckLocks(tablePath.Base()->PathId, tx, errStr)) { 
+    }
+
+    if (!context.SS->CheckLocks(tablePath.Base()->PathId, tx, errStr)) {
         return {CreateReject(opId, NKikimrScheme::StatusMultipleModifications, errStr)};
-    } 
- 
-    TVector<ISubOperationBase::TPtr> result; 
- 
-    { 
+    }
+
+    TVector<ISubOperationBase::TPtr> result;
+
+    {
         auto outTx = TransactionTemplate(tablePath.PathString(), NKikimrSchemeOp::EOperationType::ESchemeOpAlterCdcStreamImpl);
-        outTx.MutableAlterCdcStream()->CopyFrom(op); 
- 
-        result.push_back(CreateAlterCdcStreamImpl(NextPartId(opId, result), outTx)); 
-    } 
- 
-    { 
+        outTx.MutableAlterCdcStream()->CopyFrom(op);
+
+        result.push_back(CreateAlterCdcStreamImpl(NextPartId(opId, result), outTx));
+    }
+
+    {
         auto outTx = TransactionTemplate(workingDirPath.PathString(), NKikimrSchemeOp::EOperationType::ESchemeOpAlterCdcStreamAtTable);
-        outTx.MutableAlterCdcStream()->CopyFrom(op); 
- 
-        result.push_back(CreateAlterCdcStreamAtTable(NextPartId(opId, result), outTx)); 
-    } 
- 
-    return result; 
-} 
- 
+        outTx.MutableAlterCdcStream()->CopyFrom(op);
+
+        result.push_back(CreateAlterCdcStreamAtTable(NextPartId(opId, result), outTx));
+    }
+
+    return result;
+}
+
 } // NSchemeShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_alter_extsubdomain.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_alter_extsubdomain.cpp
index 87d56b5931..463f3bb3cf 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_alter_extsubdomain.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_alter_extsubdomain.cpp
@@ -37,8 +37,8 @@ void PersistShards(NIceDb::TNiceDb& db, TTxState& txState, ui64 shardsToCreate,
 }
 
 class TAlterExtSubDomain: public TSubOperation {
-    const TOperationId OperationId; 
-    const TTxTransaction Transaction; 
+    const TOperationId OperationId;
+    const TTxTransaction Transaction;
     TTxState::ETxState State = TTxState::Invalid;
 
     TTxState::ETxState NextState() {
@@ -52,8 +52,8 @@ class TAlterExtSubDomain: public TSubOperation {
             return TTxState::ConfigureParts;
         case TTxState::ConfigureParts:
             return TTxState::Propose; // DONE ???
-        case TTxState::Propose: 
-            return TTxState::Done; 
+        case TTxState::Propose:
+            return TTxState::Done;
         default:
             return TTxState::Invalid;
         }
@@ -69,7 +69,7 @@ class TAlterExtSubDomain: public TSubOperation {
             return THolder(new NSubDomainState::TConfigureParts(OperationId));
         case TTxState::Propose:
             return THolder(new NSubDomainState::TPropose(OperationId));
-        case TTxState::Done: 
+        case TTxState::Done:
             return THolder(new TDone(OperationId));
         default:
             return nullptr;
@@ -86,11 +86,11 @@ class TAlterExtSubDomain: public TSubOperation {
     }
 
 public:
-    TAlterExtSubDomain(TOperationId id, const TTxTransaction& tx) 
+    TAlterExtSubDomain(TOperationId id, const TTxTransaction& tx)
         : OperationId(id)
-        , Transaction(tx) 
-    { 
-    } 
+        , Transaction(tx)
+    {
+    }
 
     TAlterExtSubDomain(TOperationId id, TTxState::ETxState state)
         : OperationId(id)
@@ -102,10 +102,10 @@ public:
     THolder<TProposeResponse> Propose(const TString&, TOperationContext& context) override {
         const TTabletId ssId = context.SS->SelfTabletId();
 
-        const auto& settings = Transaction.GetSubDomain(); 
+        const auto& settings = Transaction.GetSubDomain();
 
-        const TString& parentPathStr = Transaction.GetWorkingDir(); 
-        const TString& name = settings.GetName(); 
+        const TString& parentPathStr = Transaction.GetWorkingDir();
+        const TString& name = settings.GetName();
 
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TAlterExtSubDomain Propose"
@@ -133,8 +133,8 @@ public:
 
         {
             TPath::TChecker checks = path.Check();
-            checks 
-                .NotEmpty() 
+            checks
+                .NotEmpty()
                 .NotUnderDomainUpgrade()
                 .IsAtLocalSchemeShard()
                 .IsResolved()
@@ -377,8 +377,8 @@ public:
             }
         }
 
-        TString errStr; 
-        if (!context.SS->CheckApplyIf(Transaction, errStr)) { 
+        TString errStr;
+        if (!context.SS->CheckApplyIf(Transaction, errStr)) {
             result->SetError(NKikimrScheme::StatusPreconditionFailed, errStr);
             return result;
         }
@@ -412,7 +412,7 @@ public:
 
         if (addExternalHive) {
             DeclareShards(txState, OperationId.GetTxId(), subDomain->PathId, 1, TTabletTypes::Hive, channelBindings, context.SS);
-        } else if (!alterData->GetSharedHive()) { 
+        } else if (!alterData->GetSharedHive()) {
             alterData->SetSharedHive(context.SS->GetGlobalHive(context.Ctx));
         }
 
@@ -441,16 +441,16 @@ public:
         return result;
     }
 
-    void AbortPropose(TOperationContext&) override { 
-        Y_FAIL("no AbortPropose for TAlterSubDomain"); 
-    } 
- 
+    void AbortPropose(TOperationContext&) override {
+        Y_FAIL("no AbortPropose for TAlterSubDomain");
+    }
+
     void AbortUnsafe(TTxId forceDropTxId, TOperationContext& context) override {
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TAlterSubDomain AbortUnsafe"
                          << ", opId: " << OperationId
                          << ", forceDropId: " << forceDropTxId
-                         << ", at schemeshard: " << context.SS->TabletID()); 
+                         << ", at schemeshard: " << context.SS->TabletID());
 
         context.OnComplete.DoneOperation(OperationId);
     }
@@ -461,12 +461,12 @@ public:
 namespace NKikimr {
 namespace NSchemeShard {
 
-ISubOperationBase::TPtr CreateAlterExtSubDomain(TOperationId id, const TTxTransaction& tx) { 
-    return new TAlterExtSubDomain(id, tx); 
-} 
- 
+ISubOperationBase::TPtr CreateAlterExtSubDomain(TOperationId id, const TTxTransaction& tx) {
+    return new TAlterExtSubDomain(id, tx);
+}
+
 ISubOperationBase::TPtr CreateAlterExtSubDomain(TOperationId id, TTxState::ETxState state) {
-    Y_VERIFY(state != TTxState::Invalid); 
+    Y_VERIFY(state != TTxState::Invalid);
     return new TAlterExtSubDomain(id, state);
 }
 
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_alter_kesus.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_alter_kesus.cpp
index 4d2fe264fa..38e5f74777 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_alter_kesus.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_alter_kesus.cpp
@@ -190,8 +190,8 @@ public:
         context.SS->PersistRemoveKesusAlter(db, pathId);
 
         context.SS->ClearDescribePathCaches(path);
-        context.OnComplete.PublishToSchemeBoard(OperationId, pathId); 
- 
+        context.OnComplete.PublishToSchemeBoard(OperationId, pathId);
+
         context.OnComplete.DoneOperation(OperationId);
         return true;
     }
@@ -215,8 +215,8 @@ public:
 
 
 class TAlterKesus: public TSubOperation {
-    const TOperationId OperationId; 
-    const TTxTransaction Transaction; 
+    const TOperationId OperationId;
+    const TTxTransaction Transaction;
     TTxState::ETxState State = TTxState::Invalid;
 
     TTxState::ETxState NextState() {
@@ -256,11 +256,11 @@ class TAlterKesus: public TSubOperation {
     }
 
 public:
-    TAlterKesus(TOperationId id, const TTxTransaction& tx) 
+    TAlterKesus(TOperationId id, const TTxTransaction& tx)
         : OperationId(id)
-        , Transaction(tx) 
-    { 
-    } 
+        , Transaction(tx)
+    {
+    }
 
     TAlterKesus(TOperationId id, TTxState::ETxState state)
         : OperationId(id)
@@ -293,10 +293,10 @@ public:
     THolder<TProposeResponse> Propose(const TString&, TOperationContext& context) override {
         const TTabletId ssId = context.SS->SelfTabletId();
 
-        const auto& alter = Transaction.GetKesus(); 
+        const auto& alter = Transaction.GetKesus();
 
-        const TString& parentPathStr = Transaction.GetWorkingDir(); 
-        const TString& name = alter.GetName(); 
+        const TString& parentPathStr = Transaction.GetWorkingDir();
+        const TString& name = alter.GetName();
         const TPathId pathId = alter.HasPathId() ? context.SS->MakeLocalId(alter.GetPathId()) : InvalidPathId;
 
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
@@ -321,8 +321,8 @@ public:
 
         {
             TPath::TChecker checks = path.Check();
-            checks 
-                .NotEmpty() 
+            checks
+                .NotEmpty()
                 .NotUnderDomainUpgrade()
                 .IsAtLocalSchemeShard()
                 .IsResolved()
@@ -357,7 +357,7 @@ public:
             return result;
         }
 
-        if (!context.SS->CheckApplyIf(Transaction, errStr)) { 
+        if (!context.SS->CheckApplyIf(Transaction, errStr)) {
             result->SetError(NKikimrScheme::StatusPreconditionFailed, errStr);
             return result;
         }
@@ -376,16 +376,16 @@ public:
         return result;
     }
 
-    void AbortPropose(TOperationContext&) override { 
-        Y_FAIL("no AbortPropose for TAlterKesus"); 
-    } 
- 
+    void AbortPropose(TOperationContext&) override {
+        Y_FAIL("no AbortPropose for TAlterKesus");
+    }
+
     void AbortUnsafe(TTxId forceDropTxId, TOperationContext& context) override {
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TAlterKesus AbortUnsafe"
                          << ", opId: " << OperationId
                          << ", forceDropId: " << forceDropTxId
-                         << ", at schemeshard: " << context.SS->TabletID()); 
+                         << ", at schemeshard: " << context.SS->TabletID());
 
         context.OnComplete.DoneOperation(OperationId);
     }
@@ -396,12 +396,12 @@ public:
 namespace NKikimr {
 namespace NSchemeShard {
 
-ISubOperationBase::TPtr CreateAlterKesus(TOperationId id, const TTxTransaction& tx) { 
-    return new TAlterKesus(id, tx); 
-} 
- 
+ISubOperationBase::TPtr CreateAlterKesus(TOperationId id, const TTxTransaction& tx) {
+    return new TAlterKesus(id, tx);
+}
+
 ISubOperationBase::TPtr CreateAlterKesus(TOperationId id, TTxState::ETxState state) {
-    Y_VERIFY(state != TTxState::Invalid); 
+    Y_VERIFY(state != TTxState::Invalid);
     return new TAlterKesus(id, state);
 }
 
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_alter_olap_table.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_alter_olap_table.cpp
index ab08cbd82f..2e89cad986 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_alter_olap_table.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_alter_olap_table.cpp
@@ -539,7 +539,7 @@ public:
         }
 
         NKikimrScheme::EStatus status;
-        TOlapTableInfo::TPtr alterData = ParseParams(path, tableInfo, storeInfo, alter, *path.DomainInfo(), status, errStr, context); 
+        TOlapTableInfo::TPtr alterData = ParseParams(path, tableInfo, storeInfo, alter, *path.DomainInfo(), status, errStr, context);
         if (!alterData) {
             result->SetError(status, errStr);
             return result;
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_alter_pq.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_alter_pq.cpp
index 42c0ad908b..f7a47459b9 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_alter_pq.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_alter_pq.cpp
@@ -12,8 +12,8 @@ using namespace NKikimr;
 using namespace NSchemeShard;
 
 class TAlterPQ: public TSubOperation {
-    const TOperationId OperationId; 
-    const TTxTransaction Transaction; 
+    const TOperationId OperationId;
+    const TTxTransaction Transaction;
     TTxState::ETxState State = TTxState::Invalid;
 
     TTxState::ETxState NextState() {
@@ -27,8 +27,8 @@ class TAlterPQ: public TSubOperation {
             return TTxState::ConfigureParts;
         case TTxState::ConfigureParts:
             return TTxState::Propose;
-        case TTxState::Propose: 
-            return TTxState::Done; 
+        case TTxState::Propose:
+            return TTxState::Done;
         default:
             return TTxState::Invalid;
         }
@@ -44,7 +44,7 @@ class TAlterPQ: public TSubOperation {
             return THolder(new NPQState::TConfigureParts(OperationId));
         case TTxState::Propose:
             return THolder(new NPQState::TPropose(OperationId));
-        case TTxState::Done: 
+        case TTxState::Done:
             return THolder(new TDone(OperationId));
         default:
             return nullptr;
@@ -61,11 +61,11 @@ class TAlterPQ: public TSubOperation {
     }
 
 public:
-    TAlterPQ(TOperationId id, const TTxTransaction& tx) 
+    TAlterPQ(TOperationId id, const TTxTransaction& tx)
         : OperationId(id)
-        , Transaction(tx) 
-    { 
-    } 
+        , Transaction(tx)
+    {
+    }
 
     TAlterPQ(TOperationId id, TTxState::ETxState state)
         : OperationId(id)
@@ -81,14 +81,14 @@ public:
             TString& errStr)
     {
         TPersQueueGroupInfo::TPtr params = new TPersQueueGroupInfo();
-        const bool hasKeySchema = tabletConfig->PartitionKeySchemaSize(); 
- 
+        const bool hasKeySchema = tabletConfig->PartitionKeySchemaSize();
+
         if (alter.HasTotalGroupCount()) {
-            if (hasKeySchema) { 
-                errStr = "Cannot change partition count. Use split/merge instead"; 
-                return nullptr; 
-            } 
- 
+            if (hasKeySchema) {
+                errStr = "Cannot change partition count. Use split/merge instead";
+                return nullptr;
+            }
+
             ui32 totalGroupCount = alter.GetTotalGroupCount();
             if (!totalGroupCount) {
                 errStr = Sprintf("Invalid total groups count specified: %u", totalGroupCount);
@@ -106,13 +106,13 @@ public:
         }
         if (alter.HasPQTabletConfig()) {
             NKikimrPQ::TPQTabletConfig alterConfig = alter.GetPQTabletConfig();
-            alterConfig.ClearPartitionIds(); 
+            alterConfig.ClearPartitionIds();
             alterConfig.ClearPartitions();
- 
+
             if (!CheckPersQueueConfig(alterConfig, false, &errStr)) {
                 return nullptr;
             }
- 
+
             if (alterConfig.GetPartitionConfig().ExplicitChannelProfilesSize() > 0) {
                 // Validate explicit channel profiles alter attempt
                 const auto& ecps = alterConfig.GetPartitionConfig().GetExplicitChannelProfiles();
@@ -133,12 +133,12 @@ public:
                 alterConfig.MutablePartitionConfig()->MutableExplicitChannelProfiles()->Swap(
                     tabletConfig->MutablePartitionConfig()->MutableExplicitChannelProfiles());
             }
- 
-            if (alterConfig.PartitionKeySchemaSize()) { 
-                errStr = "Cannot change key schema"; 
-                return nullptr; 
-            } 
- 
+
+            if (alterConfig.PartitionKeySchemaSize()) {
+                errStr = "Cannot change key schema";
+                return nullptr;
+            }
+
             const TPathElement::TPtr dbRootEl = context.SS->PathsById.at(context.SS->RootPathId());
             if (dbRootEl->UserAttrs->Attrs.contains("cloud_id")) {
                 auto cloudId = dbRootEl->UserAttrs->Attrs.at("cloud_id");
@@ -155,7 +155,7 @@ public:
             const TString databasePath = TPath::Init(context.SS->RootPathId(), context.SS).PathString();
             tabletConfig->SetYdbDatabasePath(databasePath);
 
-            alterConfig.MutablePartitionKeySchema()->Swap(tabletConfig->MutablePartitionKeySchema()); 
+            alterConfig.MutablePartitionKeySchema()->Swap(tabletConfig->MutablePartitionKeySchema());
             Y_PROTOBUF_SUPPRESS_NODISCARD alterConfig.SerializeToString(&params->TabletConfig);
             alterConfig.Swap(tabletConfig);
         }
@@ -164,16 +164,16 @@ public:
             return nullptr;
         }
         if (alter.PartitionsToAddSize()) {
-            if (hasKeySchema) { 
-                errStr = "Cannot change partition count. Use split/merge instead"; 
-                return nullptr; 
-            } 
- 
+            if (hasKeySchema) {
+                errStr = "Cannot change partition count. Use split/merge instead";
+                return nullptr;
+            }
+
             if (params->TotalGroupCount) {
                 errStr = Sprintf("providing TotalGroupCount and PartitionsToAdd at the same time is forbidden");
                 return nullptr;
             }
- 
+
             THashSet<ui32> parts;
             for (const auto& p : alter.GetPartitionsToAdd()) {
                 if (!parts.insert(p.GetPartitionId()).second) {
@@ -181,13 +181,13 @@ public:
                             << "providing partition " <<  p.GetPartitionId() << " serveral times in PartitionsToAdd is forbidden";
                     return nullptr;
                 }
-                params->PartitionsToAdd.emplace(p.GetPartitionId(), p.GetGroupId()); 
+                params->PartitionsToAdd.emplace(p.GetPartitionId(), p.GetGroupId());
             }
         }
-        if (alter.HasBootstrapConfig()) { 
-            errStr = "Bootstrap config can be passed only upon creation"; 
-            return nullptr; 
-        } 
+        if (alter.HasBootstrapConfig()) {
+            errStr = "Bootstrap config can be passed only upon creation";
+            return nullptr;
+        }
         return params;
     }
 
@@ -217,7 +217,7 @@ public:
         for (auto& shard : pqGroup->Shards) {
             auto shardIdx = shard.first;
             for (const auto& pqInfo : shard.second->PQInfos) {
-                context.SS->PersistPersQueue(db, item->PathId, shardIdx, pqInfo); 
+                context.SS->PersistPersQueue(db, item->PathId, shardIdx, pqInfo);
             }
         }
 
@@ -370,9 +370,9 @@ public:
 
         for (const auto& p : pqGroup->AlterData->PartitionsToAdd) {
             TPQShardInfo::TPersQueueInfo pqInfo;
-            pqInfo.PqId = p.PartitionId; 
-            pqInfo.GroupId = p.GroupId; 
-            pqInfo.KeyRange = p.KeyRange; 
+            pqInfo.PqId = p.PartitionId;
+            pqInfo.GroupId = p.GroupId;
+            pqInfo.KeyRange = p.KeyRange;
             pqInfo.AlterVersion = alterVersion;
             while (it->second->PQInfos.size() >= average) {
                 ++it;
@@ -384,9 +384,9 @@ public:
     THolder<TProposeResponse> Propose(const TString&, TOperationContext& context) override {
         const TTabletId ssId = context.SS->SelfTabletId();
 
-        const auto& alter = Transaction.GetAlterPersQueueGroup(); 
+        const auto& alter = Transaction.GetAlterPersQueueGroup();
 
-        const TString& parentPathStr = Transaction.GetWorkingDir(); 
+        const TString& parentPathStr = Transaction.GetWorkingDir();
         const TString& name = alter.GetName();
         const TPathId pathId = alter.HasPathId() ? context.SS->MakeLocalId(alter.GetPathId()) : InvalidPathId;
 
@@ -414,13 +414,13 @@ public:
 
         {
             TPath::TChecker checks = path.Check();
-            checks 
-                .NotEmpty() 
+            checks
+                .NotEmpty()
                 .NotUnderDomainUpgrade()
                 .IsAtLocalSchemeShard()
                 .IsResolved()
                 .NotDeleted()
-                .IsPQGroup() 
+                .IsPQGroup()
                 .NotUnderOperation()
                 .IsCommonSensePath();
 
@@ -479,7 +479,7 @@ public:
         ui32 diff = alterData->TotalGroupCount - pqGroup->TotalGroupCount;
 
         for (ui32 i = 0; i < diff; ++i) {
-            alterData->PartitionsToAdd.emplace(pqGroup->NextPartitionId + i, pqGroup->TotalGroupCount + 1 + i); 
+            alterData->PartitionsToAdd.emplace(pqGroup->NextPartitionId + i, pqGroup->TotalGroupCount + 1 + i);
         }
 
         if (diff > 0) {
@@ -489,15 +489,15 @@ public:
         alterData->TotalPartitionCount = pqGroup->TotalPartitionCount + alterData->PartitionsToAdd.size();
         alterData->NextPartitionId = pqGroup->NextPartitionId;
         for (const auto& p : alterData->PartitionsToAdd) {
-            if (p.GroupId == 0 || p.GroupId > alterData->TotalGroupCount) { 
+            if (p.GroupId == 0 || p.GroupId > alterData->TotalGroupCount) {
                 errStr = TStringBuilder()
-                        << "Invalid partition group id " << p.GroupId 
+                        << "Invalid partition group id " << p.GroupId
                         << " vs " << pqGroup->TotalGroupCount;
                 result->SetError(NKikimrScheme::StatusInvalidParameter, errStr);
                 return result;
             }
 
-            alterData->NextPartitionId = Max<ui32>(alterData->NextPartitionId, p.PartitionId + 1); 
+            alterData->NextPartitionId = Max<ui32>(alterData->NextPartitionId, p.PartitionId + 1);
         }
 
         if (alterData->MaxPartsPerTablet < pqGroup->MaxPartsPerTablet) {
@@ -561,7 +561,7 @@ public:
             }
         }
 
-        if (!context.SS->CheckApplyIf(Transaction, errStr)) { 
+        if (!context.SS->CheckApplyIf(Transaction, errStr)) {
             result->SetError(NKikimrScheme::StatusPreconditionFailed, errStr);
             return result;
         }
@@ -632,16 +632,16 @@ public:
         return result;
     }
 
-    void AbortPropose(TOperationContext&) override { 
-        Y_FAIL("no AbortPropose for TAlterPQ"); 
-    } 
- 
+    void AbortPropose(TOperationContext&) override {
+        Y_FAIL("no AbortPropose for TAlterPQ");
+    }
+
     void AbortUnsafe(TTxId forceDropTxId, TOperationContext& context) override {
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TAlterPQ AbortUnsafe"
                          << ", opId: " << OperationId
                          << ", forceDropId: " << forceDropTxId
-                         << ", at schemeshard: " << context.SS->TabletID()); 
+                         << ", at schemeshard: " << context.SS->TabletID());
 
         context.OnComplete.DoneOperation(OperationId);
     }
@@ -652,12 +652,12 @@ public:
 namespace NKikimr {
 namespace NSchemeShard {
 
-ISubOperationBase::TPtr CreateAlterPQ(TOperationId id, const TTxTransaction& tx) { 
-    return new TAlterPQ(id, tx); 
-} 
- 
+ISubOperationBase::TPtr CreateAlterPQ(TOperationId id, const TTxTransaction& tx) {
+    return new TAlterPQ(id, tx);
+}
+
 ISubOperationBase::TPtr CreateAlterPQ(TOperationId id, TTxState::ETxState state) {
-    Y_VERIFY(state != TTxState::Invalid); 
+    Y_VERIFY(state != TTxState::Invalid);
     return new TAlterPQ(id, state);
 }
 
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_alter_solomon.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_alter_solomon.cpp
index 1d02e7a4c0..1c17ee6095 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_alter_solomon.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_alter_solomon.cpp
@@ -48,13 +48,13 @@ public:
             Y_VERIFY_S(solomonPartition, "rtmr partitions is null shard idx: " << shard.Idx << " Path: " << txState->TargetPathId);
 
             auto tabletId = context.SS->ShardInfos[shard.Idx].TabletID;
- 
-            if (solomonPartition->TabletId != InvalidTabletId && tabletId != solomonPartition->TabletId) { 
-                Y_FAIL_S("Solomon partition tablet id mismatch" 
-                    << ": expected: " << solomonPartition->TabletId 
-                    << ", got: " << tabletId); 
-            } 
- 
+
+            if (solomonPartition->TabletId != InvalidTabletId && tabletId != solomonPartition->TabletId) {
+                Y_FAIL_S("Solomon partition tablet id mismatch"
+                    << ": expected: " << solomonPartition->TabletId
+                    << ", got: " << tabletId);
+            }
+
             solomonPartition->TabletId = tabletId;
         }
 
@@ -254,27 +254,27 @@ public:
 
         TSolomonVolumeInfo::TPtr solomon = context.SS->SolomonVolumes.at(path.Base()->PathId);
 
-        if (!alter.HasPartitionCount() && !alter.GetUpdateChannelsBinding()) { 
+        if (!alter.HasPartitionCount() && !alter.GetUpdateChannelsBinding()) {
             result->SetError(NKikimrScheme::StatusInvalidParameter, "Empty alter");
             return result;
         }
 
-        if (alter.GetUpdateChannelsBinding() && !AppData()->FeatureFlags.GetAllowUpdateChannelsBindingOfSolomonPartitions()) { 
+        if (alter.GetUpdateChannelsBinding() && !AppData()->FeatureFlags.GetAllowUpdateChannelsBindingOfSolomonPartitions()) {
             result->SetError(NKikimrScheme::StatusPreconditionFailed, "Updating of channels binding is not available");
         }
 
-        if (alter.HasPartitionCount()) { 
-            if (alter.GetPartitionCount() < solomon->Partitions.size()) { 
+        if (alter.HasPartitionCount()) {
+            if (alter.GetPartitionCount() < solomon->Partitions.size()) {
                 result->SetError(NKikimrScheme::StatusInvalidParameter, "solomon volume has more shards than requested");
-                return result; 
-            } 
- 
-            if (alter.GetPartitionCount() == solomon->Partitions.size()) { 
+                return result;
+            }
+
+            if (alter.GetPartitionCount() == solomon->Partitions.size()) {
                 result->SetError(NKikimrScheme::StatusSuccess, "solomon volume has olready the same shards as requested");
-                return result; 
-            } 
-        } 
- 
+                return result;
+            }
+        }
+
         if (!context.SS->CheckApplyIf(Transaction, errStr)) {
             result->SetError(NKikimrScheme::StatusPreconditionFailed, errStr);
             return result;
@@ -307,42 +307,42 @@ public:
 
         context.SS->PersistLastTxId(db, path.Base());
 
-        if (alter.GetUpdateChannelsBinding()) { 
-            txState.Shards.reserve(alter.HasPartitionCount() ? alter.GetPartitionCount() : solomon->Partitions.size()); 
-        } else { 
-            Y_VERIFY(alter.HasPartitionCount()); 
-            txState.Shards.reserve(alter.GetPartitionCount() - solomon->Partitions.size()); 
-        } 
+        if (alter.GetUpdateChannelsBinding()) {
+            txState.Shards.reserve(alter.HasPartitionCount() ? alter.GetPartitionCount() : solomon->Partitions.size());
+        } else {
+            Y_VERIFY(alter.HasPartitionCount());
+            txState.Shards.reserve(alter.GetPartitionCount() - solomon->Partitions.size());
+        }
 
-        if (alter.GetUpdateChannelsBinding()) { 
-            for (const auto& [shardIdx, partitionInfo] : solomon->Partitions) { 
-                txState.Shards.emplace_back(shardIdx, TTabletTypes::KeyValue, TTxState::CreateParts); 
+        if (alter.GetUpdateChannelsBinding()) {
+            for (const auto& [shardIdx, partitionInfo] : solomon->Partitions) {
+                txState.Shards.emplace_back(shardIdx, TTabletTypes::KeyValue, TTxState::CreateParts);
 
                 auto& shardInfo = context.SS->ShardInfos.at(shardIdx);
                 shardInfo.CurrentTxId = OperationId.GetTxId();
                 shardInfo.BindedChannels = channelsBinding;
 
-                context.SS->PersistShardMapping(db, shardIdx, partitionInfo->TabletId, path.Base()->PathId, OperationId.GetTxId(), solomonPartitionInfo.TabletType); 
-                context.SS->PersistChannelsBinding(db, shardIdx, channelsBinding); 
-            } 
+                context.SS->PersistShardMapping(db, shardIdx, partitionInfo->TabletId, path.Base()->PathId, OperationId.GetTxId(), solomonPartitionInfo.TabletType);
+                context.SS->PersistChannelsBinding(db, shardIdx, channelsBinding);
+            }
         }
 
-        if (alter.HasPartitionCount()) { 
-            const ui64 shardsToCreate = alter.GetPartitionCount() - solomon->Partitions.size(); 
- 
-            for (ui64 i = 0; i < shardsToCreate; ++i) { 
+        if (alter.HasPartitionCount()) {
+            const ui64 shardsToCreate = alter.GetPartitionCount() - solomon->Partitions.size();
+
+            for (ui64 i = 0; i < shardsToCreate; ++i) {
                 const auto shardIdx = context.SS->RegisterShardInfo(solomonPartitionInfo);
                 context.SS->PersistShardMapping(db, shardIdx, InvalidTabletId, path.Base()->PathId, OperationId.GetTxId(), solomonPartitionInfo.TabletType);
                 context.SS->PersistChannelsBinding(db, shardIdx, channelsBinding);
 
-                alterSolomon->Partitions[shardIdx] = new TSolomonPartitionInfo(solomon->Partitions.size() + i); 
-                txState.Shards.emplace_back(shardIdx, TTabletTypes::KeyValue, TTxState::CreateParts); 
-            } 
+                alterSolomon->Partitions[shardIdx] = new TSolomonPartitionInfo(solomon->Partitions.size() + i);
+                txState.Shards.emplace_back(shardIdx, TTabletTypes::KeyValue, TTxState::CreateParts);
+            }
             context.SS->PersistUpdateNextShardIdx(db);
- 
-            path.Base()->IncShardsInside(shardsToCreate); 
-        } 
- 
+
+            path.Base()->IncShardsInside(shardsToCreate);
+        }
+
         solomon->AlterData = alterSolomon;
         context.SS->PersistAlterSolomonVolume(db, path.Base()->PathId, solomon);
 
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_alter_subdomain.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_alter_subdomain.cpp
index a261c7ee99..dc1208bbb9 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_alter_subdomain.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_alter_subdomain.cpp
@@ -37,8 +37,8 @@ void PersistShards(NIceDb::TNiceDb& db, TTxState& txState, ui64 shardsToCreate,
 }
 
 class TAlterSubDomain: public TSubOperation {
-    const TOperationId OperationId; 
-    const TTxTransaction Transaction; 
+    const TOperationId OperationId;
+    const TTxTransaction Transaction;
     TTxState::ETxState State = TTxState::Invalid;
 
     TTxState::ETxState NextState() {
@@ -52,8 +52,8 @@ class TAlterSubDomain: public TSubOperation {
             return TTxState::ConfigureParts;
         case TTxState::ConfigureParts:
             return TTxState::Propose;
-        case TTxState::Propose: 
-            return TTxState::Done; 
+        case TTxState::Propose:
+            return TTxState::Done;
         default:
             return TTxState::Invalid;
         }
@@ -69,7 +69,7 @@ class TAlterSubDomain: public TSubOperation {
             return THolder(new NSubDomainState::TConfigureParts(OperationId));
         case TTxState::Propose:
             return THolder(new NSubDomainState::TPropose(OperationId));
-        case TTxState::Done: 
+        case TTxState::Done:
             return THolder(new TDone(OperationId));
         default:
             return nullptr;
@@ -86,11 +86,11 @@ class TAlterSubDomain: public TSubOperation {
     }
 
 public:
-    TAlterSubDomain(TOperationId id, const TTxTransaction& tx) 
+    TAlterSubDomain(TOperationId id, const TTxTransaction& tx)
         : OperationId(id)
-        , Transaction(tx) 
-    { 
-    } 
+        , Transaction(tx)
+    {
+    }
 
     TAlterSubDomain(TOperationId id, TTxState::ETxState state)
         : OperationId(id)
@@ -102,10 +102,10 @@ public:
     THolder<TProposeResponse> Propose(const TString&, TOperationContext& context) override {
         const TTabletId ssId = context.SS->SelfTabletId();
 
-        const auto& settings = Transaction.GetSubDomain(); 
+        const auto& settings = Transaction.GetSubDomain();
 
-        const TString& parentPathStr = Transaction.GetWorkingDir(); 
-        const TString& name = settings.GetName(); 
+        const TString& parentPathStr = Transaction.GetWorkingDir();
+        const TString& name = settings.GetName();
 
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TAlterSubDomain Propose"
@@ -133,8 +133,8 @@ public:
 
         {
             TPath::TChecker checks = path.Check();
-            checks 
-                .NotEmpty() 
+            checks
+                .NotEmpty()
                 .NotUnderDomainUpgrade()
                 .IsAtLocalSchemeShard()
                 .IsResolved()
@@ -307,8 +307,8 @@ public:
             }
         }
 
-        TString errStr; 
-        if (!context.SS->CheckApplyIf(Transaction, errStr)) { 
+        TString errStr;
+        if (!context.SS->CheckApplyIf(Transaction, errStr)) {
             result->SetError(NKikimrScheme::StatusPreconditionFailed, errStr);
             return result;
         }
@@ -356,16 +356,16 @@ public:
         return result;
     }
 
-    void AbortPropose(TOperationContext&) override { 
-        Y_FAIL("no AbortPropose for TAlterSubDomain"); 
-    } 
- 
+    void AbortPropose(TOperationContext&) override {
+        Y_FAIL("no AbortPropose for TAlterSubDomain");
+    }
+
     void AbortUnsafe(TTxId forceDropTxId, TOperationContext& context) override {
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TAlterSubDomain AbortUnsafe"
                          << ", opId: " << OperationId
                          << ", forceDropId: " << forceDropTxId
-                         << ", at schemeshard: " << context.SS->TabletID()); 
+                         << ", at schemeshard: " << context.SS->TabletID());
 
         context.OnComplete.DoneOperation(OperationId);
     }
@@ -376,12 +376,12 @@ public:
 namespace NKikimr {
 namespace NSchemeShard {
 
-ISubOperationBase::TPtr CreateAlterSubDomain(TOperationId id, const TTxTransaction& tx) { 
-    return new TAlterSubDomain(id, tx); 
-} 
- 
+ISubOperationBase::TPtr CreateAlterSubDomain(TOperationId id, const TTxTransaction& tx) {
+    return new TAlterSubDomain(id, tx);
+}
+
 ISubOperationBase::TPtr CreateAlterSubDomain(TOperationId id, TTxState::ETxState state) {
-    Y_VERIFY(state != TTxState::Invalid); 
+    Y_VERIFY(state != TTxState::Invalid);
     return new TAlterSubDomain(id, state);
 }
 
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_alter_table.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_alter_table.cpp
index 5192d66e8f..b6c0b6c8b2 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_alter_table.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_alter_table.cpp
@@ -53,12 +53,12 @@ TTableInfo::TAlterDataPtr ParseParams(const TPath& path, TTableInfo::TPtr table,
             status = NKikimrScheme::StatusInvalidParameter;
             return nullptr;
         }
- 
-        if (alter.HasTTLSettings()) { 
-            errStr = "TTL on index table is not supported"; 
+
+        if (alter.HasTTLSettings()) {
+            errStr = "TTL on index table is not supported";
             status = NKikimrScheme::StatusInvalidParameter;
-            return nullptr; 
-        } 
+            return nullptr;
+        }
     }
 
     auto copyAlter = alter;
@@ -68,12 +68,12 @@ TTableInfo::TAlterDataPtr ParseParams(const TPath& path, TTableInfo::TPtr table,
             copyAlter.DropColumnsSize() != 0);
 
     if (copyAlter.HasIsBackup() && copyAlter.GetIsBackup() !=  table->IsBackup) {
-        errStr = Sprintf("Cannot add/remove 'IsBackup' property"); 
+        errStr = Sprintf("Cannot add/remove 'IsBackup' property");
         status = NKikimrScheme::StatusInvalidParameter;
-        return nullptr; 
-    } 
- 
-    if (!hasSchemaChanges && !copyAlter.HasPartitionConfig() && !copyAlter.HasTTLSettings()) { 
+        return nullptr;
+    }
+
+    if (!hasSchemaChanges && !copyAlter.HasPartitionConfig() && !copyAlter.HasTTLSettings()) {
         errStr = Sprintf("No changes specified");
         status = NKikimrScheme::StatusInvalidParameter;
         return nullptr;
@@ -115,9 +115,9 @@ TTableInfo::TAlterDataPtr ParseParams(const TPath& path, TTableInfo::TPtr table,
     }
     copyAlter.MutablePartitionConfig()->CopyFrom(compilationPartitionConfig);
 
-    const TSubDomainInfo& subDomain = *path.DomainInfo(); 
-    const TSchemeLimits& limits = subDomain.GetSchemeLimits(); 
-    TTableInfo::TAlterDataPtr alterData = TTableInfo::CreateAlterData(table, copyAlter, *appData->TypeRegistry, limits, subDomain, errStr); 
+    const TSubDomainInfo& subDomain = *path.DomainInfo();
+    const TSchemeLimits& limits = subDomain.GetSchemeLimits();
+    TTableInfo::TAlterDataPtr alterData = TTableInfo::CreateAlterData(table, copyAlter, *appData->TypeRegistry, limits, subDomain, errStr);
     if (!alterData) {
         status = NKikimrScheme::StatusInvalidParameter;
         return nullptr;
@@ -186,23 +186,23 @@ bool CheckDropingColumns(const TSchemeShard* ss, const NKikimrSchemeOp::TTableDe
         }
     }
 
-    for (const auto& child : tablePath.Base()->GetChildren()) { 
-        const auto& childName = child.first; 
-        const auto& childPathId = child.second; 
+    for (const auto& child : tablePath.Base()->GetChildren()) {
+        const auto& childName = child.first;
+        const auto& childPathId = child.second;
 
-        auto childPath = ss->PathsById.at(childPathId); 
-        if (!childPath->IsTableIndex() || childPath->Dropped()) { 
+        auto childPath = ss->PathsById.at(childPathId);
+        if (!childPath->IsTableIndex() || childPath->Dropped()) {
             continue;
         }
 
-        const TTableIndexInfo::TPtr indexInfo = ss->Indexes.at(childPathId); 
+        const TTableIndexInfo::TPtr indexInfo = ss->Indexes.at(childPathId);
         for (const auto& indexKey: indexInfo->IndexKeys) {
             if (deletedColumns.contains(indexKey)) {
                 errStr = TStringBuilder ()
                     << "Imposible drop column because table has an index with that column"
-                    << ", column name: " << indexKey 
+                    << ", column name: " << indexKey
                     << ", table name: " << tablePath.PathString()
-                    << ", index name: " << childName; 
+                    << ", index name: " << childName;
                 return false;
             }
         }
@@ -211,9 +211,9 @@ bool CheckDropingColumns(const TSchemeShard* ss, const NKikimrSchemeOp::TTableDe
             if (deletedColumns.contains(col)) {
                 errStr = TStringBuilder ()
                     << "Imposible drop column because table index covers that column"
-                    << ", column name: " << col 
+                    << ", column name: " << col
                     << ", table name: " << tablePath.PathString()
-                    << ", index name: " << childName; 
+                    << ", index name: " << childName;
                 return false;
             }
         }
@@ -341,28 +341,28 @@ public:
         TTableInfo::TPtr table = context.SS->Tables.at(pathId);
         table->FinishAlter();
 
-        auto ttlIt = context.SS->TTLEnabledTables.find(pathId); 
-        if (table->IsTTLEnabled() && ttlIt == context.SS->TTLEnabledTables.end()) { 
-            context.SS->TTLEnabledTables[pathId] = table; 
-            context.SS->TabletCounters->Simple()[COUNTER_TTL_ENABLED_TABLE_COUNT].Add(1); 
-        } else if (!table->IsTTLEnabled() && ttlIt != context.SS->TTLEnabledTables.end()) { 
-            context.SS->TTLEnabledTables.erase(ttlIt); 
+        auto ttlIt = context.SS->TTLEnabledTables.find(pathId);
+        if (table->IsTTLEnabled() && ttlIt == context.SS->TTLEnabledTables.end()) {
+            context.SS->TTLEnabledTables[pathId] = table;
+            context.SS->TabletCounters->Simple()[COUNTER_TTL_ENABLED_TABLE_COUNT].Add(1);
+        } else if (!table->IsTTLEnabled() && ttlIt != context.SS->TTLEnabledTables.end()) {
+            context.SS->TTLEnabledTables.erase(ttlIt);
             context.SS->TabletCounters->Simple()[COUNTER_TTL_ENABLED_TABLE_COUNT].Sub(1);
- 
-            for (ui32 i = 0; i < table->GetPartitions().size(); ++i) { 
-                auto& shardInfo = table->GetPartitions().at(i); 
-                if (auto& lag = shardInfo.LastCondEraseLag) { 
-                    context.SS->TabletCounters->Percentile()[COUNTER_NUM_SHARDS_BY_TTL_LAG].DecrementFor(lag->Seconds()); 
-                    lag.Clear(); 
-                } 
-            } 
-        } 
- 
+
+            for (ui32 i = 0; i < table->GetPartitions().size(); ++i) {
+                auto& shardInfo = table->GetPartitions().at(i);
+                if (auto& lag = shardInfo.LastCondEraseLag) {
+                    context.SS->TabletCounters->Percentile()[COUNTER_NUM_SHARDS_BY_TTL_LAG].DecrementFor(lag->Seconds());
+                    lag.Clear();
+                }
+            }
+        }
+
         context.SS->PersistTableAltered(db, pathId, table);
 
         context.SS->ClearDescribePathCaches(path);
-        context.OnComplete.PublishToSchemeBoard(OperationId, pathId); 
- 
+        context.OnComplete.PublishToSchemeBoard(OperationId, pathId);
+
         context.SS->ChangeTxState(db, OperationId, TTxState::ProposedWaitParts);
         return true;
     }
@@ -392,8 +392,8 @@ public:
 
 class TAlterTable: public TSubOperation {
 private:
-    const TOperationId OperationId; 
-    const TTxTransaction Transaction; 
+    const TOperationId OperationId;
+    const TTxTransaction Transaction;
     TTxState::ETxState State = TTxState::Invalid;
 
     bool AllowShadowData = false;
@@ -447,11 +447,11 @@ private:
     }
 
 public:
-    TAlterTable(TOperationId id, const TTxTransaction& tx) 
+    TAlterTable(TOperationId id, const TTxTransaction& tx)
         : OperationId(id)
-        , Transaction(tx) 
-    { 
-    } 
+        , Transaction(tx)
+    {
+    }
 
     TAlterTable(TOperationId id, TTxState::ETxState state)
         : OperationId(id)
@@ -472,15 +472,15 @@ public:
     THolder<TProposeResponse> Propose(const TString&, TOperationContext& context) override {
         const TTabletId ssId = context.SS->SelfTabletId();
 
-        const auto& alter = Transaction.GetAlterTable(); 
+        const auto& alter = Transaction.GetAlterTable();
 
-        const TString& parentPathStr = Transaction.GetWorkingDir(); 
-        const TString& name = alter.GetName(); 
+        const TString& parentPathStr = Transaction.GetWorkingDir();
+        const TString& name = alter.GetName();
 
         TPathId pathId;
         if (alter.HasId_Deprecated() || alter.HasPathId()) {
             pathId = alter.HasPathId()
-                ? PathIdFromPathId(alter.GetPathId()) 
+                ? PathIdFromPathId(alter.GetPathId())
                 : context.SS->MakeLocalId(alter.GetId_Deprecated());
         }
 
@@ -503,8 +503,8 @@ public:
             : TPath::Resolve(parentPathStr, context.SS).Dive(name);
         {
             TPath::TChecker checks = path.Check();
-            checks 
-                .NotEmpty() 
+            checks
+                .NotEmpty()
                 .NotUnderDomainUpgrade()
                 .IsAtLocalSchemeShard()
                 .IsResolved()
@@ -551,25 +551,25 @@ public:
             return result;
         }
 
-        if (path.Base()->GetAliveChildren() && alter.HasTTLSettings()) { 
-            for (const auto& [_, childPathId] : path.Base()->GetChildren()) { 
-                Y_VERIFY(context.SS->PathsById.contains(childPathId)); 
-                auto childPath = context.SS->PathsById.at(childPathId); 
- 
-                if (!childPath->IsTableIndex() || childPath->Dropped()) { 
-                    continue; 
-                } 
- 
-                Y_VERIFY(context.SS->Indexes.contains(childPathId)); 
-                auto indexInfo = context.SS->Indexes.at(childPathId); 
- 
-                if (indexInfo->Type == NKikimrSchemeOp::EIndexTypeGlobalAsync && !AppData()->FeatureFlags.GetEnableTtlOnAsyncIndexedTables()) { 
+        if (path.Base()->GetAliveChildren() && alter.HasTTLSettings()) {
+            for (const auto& [_, childPathId] : path.Base()->GetChildren()) {
+                Y_VERIFY(context.SS->PathsById.contains(childPathId));
+                auto childPath = context.SS->PathsById.at(childPathId);
+
+                if (!childPath->IsTableIndex() || childPath->Dropped()) {
+                    continue;
+                }
+
+                Y_VERIFY(context.SS->Indexes.contains(childPathId));
+                auto indexInfo = context.SS->Indexes.at(childPathId);
+
+                if (indexInfo->Type == NKikimrSchemeOp::EIndexTypeGlobalAsync && !AppData()->FeatureFlags.GetEnableTtlOnAsyncIndexedTables()) {
                     result->SetError(NKikimrScheme::StatusPreconditionFailed, "TTL is not currently supported on tables with async indices");
-                    return result; 
-                } 
-            } 
-        } 
- 
+                    return result;
+                }
+            }
+        }
+
         NKikimrScheme::EStatus status;
         TTableInfo::TAlterDataPtr alterData = ParseParams(path, table, alter, IsShadowDataAllowed(), errStr, status, context);
         if (!alterData) {
@@ -601,16 +601,16 @@ public:
         return result;
     }
 
-    void AbortPropose(TOperationContext&) override { 
-        Y_FAIL("no AbortPropose for TAlterTable"); 
-    } 
- 
+    void AbortPropose(TOperationContext&) override {
+        Y_FAIL("no AbortPropose for TAlterTable");
+    }
+
     void AbortUnsafe(TTxId forceDropTxId, TOperationContext& context) override {
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TAlterTable AbortUnsafe"
                          << ", opId: " << OperationId
                          << ", forceDropId: " << forceDropTxId
-                         << ", at schemeshard: " << context.SS->TabletID()); 
+                         << ", at schemeshard: " << context.SS->TabletID());
 
         context.OnComplete.DoneOperation(OperationId);
     }
@@ -621,12 +621,12 @@ public:
 namespace NKikimr {
 namespace NSchemeShard {
 
-ISubOperationBase::TPtr CreateAlterTable(TOperationId id, const TTxTransaction& tx) { 
-    return new TAlterTable(id, tx); 
-} 
- 
+ISubOperationBase::TPtr CreateAlterTable(TOperationId id, const TTxTransaction& tx) {
+    return new TAlterTable(id, tx);
+}
+
 ISubOperationBase::TPtr CreateAlterTable(TOperationId id, TTxState::ETxState state) {
-    Y_VERIFY(state != TTxState::Invalid); 
+    Y_VERIFY(state != TTxState::Invalid);
     return new TAlterTable(id, state);
 }
 
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_alter_user_attrs.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_alter_user_attrs.cpp
index 16a2a0a650..4f7dd3314e 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_alter_user_attrs.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_alter_user_attrs.cpp
@@ -8,28 +8,28 @@ using namespace NKikimr;
 using namespace NSchemeShard;
 
 class TAlterUserAttrs: public ISubOperationBase {
-    const TOperationId OperationId; 
-    const TTxTransaction Transaction; 
+    const TOperationId OperationId;
+    const TTxTransaction Transaction;
 
 public:
-    TAlterUserAttrs(TOperationId id, const TTxTransaction& tx) 
-        : OperationId(id) 
-        , Transaction(tx) 
-    { 
-    } 
- 
+    TAlterUserAttrs(TOperationId id, const TTxTransaction& tx)
+        : OperationId(id)
+        , Transaction(tx)
+    {
+    }
+
     TAlterUserAttrs(TOperationId id)
         : OperationId(id)
-    { 
-    } 
+    {
+    }
 
     THolder<TProposeResponse> Propose(const TString&, TOperationContext& context) override {
         const TTabletId ssId = context.SS->SelfTabletId();
 
-        const auto& userAttrsPatch = Transaction.GetAlterUserAttributes(); 
+        const auto& userAttrsPatch = Transaction.GetAlterUserAttributes();
 
-        const TString& parentPathStr = Transaction.GetWorkingDir(); 
-        const TString& name = userAttrsPatch.GetPathName(); 
+        const TString& parentPathStr = Transaction.GetWorkingDir();
+        const TString& name = userAttrsPatch.GetPathName();
 
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TAlterUserAttrs Propose"
@@ -39,7 +39,7 @@ public:
 
         auto result = MakeHolder<TProposeResponse>(NKikimrScheme::StatusAccepted, ui64(OperationId.GetTxId()), ui64(ssId));
 
-        if (!Transaction.HasAlterUserAttributes()) { 
+        if (!Transaction.HasAlterUserAttributes()) {
             result->SetError(NKikimrScheme::StatusInvalidParameter, "UserAttributes are not present");
             return result;
         }
@@ -69,8 +69,8 @@ public:
             }
         }
 
-        TString errStr; 
- 
+        TString errStr;
+
         TUserAttributes::TPtr alterData = path.Base()->UserAttrs->CreateNextVersion();
         if (!alterData->ApplyPatch(EUserAttributesOp::AlterUserAttrs, userAttrsPatch, errStr) ||
             !alterData->CheckLimits(errStr))
@@ -79,7 +79,7 @@ public:
             return result;
         }
 
-        if (!context.SS->CheckApplyIf(Transaction, errStr)) { 
+        if (!context.SS->CheckApplyIf(Transaction, errStr)) {
             result->SetError(NKikimrScheme::StatusPreconditionFailed, errStr);
             return result;
         }
@@ -101,10 +101,10 @@ public:
         return result;
     }
 
-    void AbortPropose(TOperationContext&) override { 
-        Y_FAIL("no AbortPropose for TAlterUserAttrs"); 
-    } 
- 
+    void AbortPropose(TOperationContext&) override {
+        Y_FAIL("no AbortPropose for TAlterUserAttrs");
+    }
+
     void ProgressState(TOperationContext& context) override {
         LOG_INFO_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                    "TAlterUserAttrs ProgressState"
@@ -125,7 +125,7 @@ public:
                    "TAlterUserAttrs HandleReply TEvOperationPlan"
                        << ", opId: " << OperationId
                        << ", stepId:" << step
-                       << ", at schemeshard: " << ssId); 
+                       << ", at schemeshard: " << ssId);
 
         TTxState* txState = context.SS->FindTx(OperationId);
         Y_VERIFY(txState);
@@ -133,8 +133,8 @@ public:
         if (txState->State != TTxState::Propose) {
             LOG_WARN_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                        "Duplicate PlanStep opId#" << OperationId
-                           << " at schemeshard: " << ssId 
-                           << " txState is in state#" << TTxState::StateName(txState->State)); 
+                           << " at schemeshard: " << ssId
+                           << " txState is in state#" << TTxState::StateName(txState->State));
             return;
         }
 
@@ -152,10 +152,10 @@ public:
         context.SS->ApplyAndPersistUserAttrs(db, path->PathId);
 
         context.SS->ClearDescribePathCaches(path);
-        context.OnComplete.PublishToSchemeBoard(OperationId, pathId); 
+        context.OnComplete.PublishToSchemeBoard(OperationId, pathId);
 
         context.OnComplete.UpdateTenants({pathId});
- 
+
         context.OnComplete.DoneOperation(OperationId);
     }
 
@@ -164,7 +164,7 @@ public:
                      "TAlterUserAttrs AbortUnsafe"
                          << ", opId: " << OperationId
                          << ", forceDropId: " << forceDropTxId
-                         << ", at schemeshard: " << context.SS->TabletID()); 
+                         << ", at schemeshard: " << context.SS->TabletID());
 
         context.OnComplete.DoneOperation(OperationId);
     }
@@ -175,10 +175,10 @@ public:
 namespace NKikimr {
 namespace NSchemeShard {
 
-ISubOperationBase::TPtr CreateAlterUserAttrs(TOperationId id, const TTxTransaction& tx) { 
-    return new TAlterUserAttrs(id, tx); 
-} 
- 
+ISubOperationBase::TPtr CreateAlterUserAttrs(TOperationId id, const TTxTransaction& tx) {
+    return new TAlterUserAttrs(id, tx);
+}
+
 ISubOperationBase::TPtr CreateAlterUserAttrs(TOperationId id, TTxState::ETxState state) {
     Y_VERIFY(state == TTxState::Invalid || state == TTxState::Propose);
     return new TAlterUserAttrs(id);
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_apply_build_index.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_apply_build_index.cpp
index dd61fb3beb..c1ac955651 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_apply_build_index.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_apply_build_index.cpp
@@ -42,7 +42,7 @@ TVector<ISubOperationBase::TPtr> ApplyBuildIndex(TOperationId nextId, const TTxT
         op->SetSnapshotTxId(config.GetSnaphotTxId());
         op->SetBuildIndexId(config.GetBuildIndexId());
 
-        result.push_back(CreateFinalizeBuildIndexMainTable(NextPartId(nextId, result), finalize)); 
+        result.push_back(CreateFinalizeBuildIndexMainTable(NextPartId(nextId, result), finalize));
     }
 
     {
@@ -52,7 +52,7 @@ TVector<ISubOperationBase::TPtr> ApplyBuildIndex(TOperationId nextId, const TTxT
         alterIndex->SetName(index.LeafName());
         alterIndex->SetState(NKikimrSchemeOp::EIndexState::EIndexStateReady);
 
-        result.push_back(CreateAlterTableIndex(NextPartId(nextId, result), tableIndexAltering)); 
+        result.push_back(CreateAlterTableIndex(NextPartId(nextId, result), tableIndexAltering));
     }
 
     {
@@ -63,7 +63,7 @@ TVector<ISubOperationBase::TPtr> ApplyBuildIndex(TOperationId nextId, const TTxT
         alterTable->MutablePartitionConfig()->MutableCompactionPolicy()->SetKeepEraseMarkers(false);
         alterTable->MutablePartitionConfig()->SetShadowData(false);
 
-        result.push_back(CreateFinalizeBuildIndexImplTable(NextPartId(nextId, result), indexImplTableAltering)); 
+        result.push_back(CreateFinalizeBuildIndexImplTable(NextPartId(nextId, result), indexImplTableAltering));
     }
 
     return result;
@@ -93,15 +93,15 @@ TVector<ISubOperationBase::TPtr> CancelBuildIndex(TOperationId nextId, const TTx
         op->SetSnapshotTxId(config.GetSnaphotTxId());
         op->SetBuildIndexId(config.GetBuildIndexId());
 
-        result.push_back(CreateFinalizeBuildIndexMainTable(NextPartId(nextId, result), finalize)); 
+        result.push_back(CreateFinalizeBuildIndexMainTable(NextPartId(nextId, result), finalize));
     }
 
     {
         auto tableIndexDropping = TransactionTemplate(table.PathString(), NKikimrSchemeOp::EOperationType::ESchemeOpDropTableIndex);
         auto operation = tableIndexDropping.MutableDrop();
         operation->SetName(ToString(index.Base()->Name));
- 
-        result.push_back(CreateDropTableIndex(NextPartId(nextId, result), tableIndexDropping)); 
+
+        result.push_back(CreateDropTableIndex(NextPartId(nextId, result), tableIndexDropping));
     }
 
     Y_VERIFY(index.Base()->GetChildren().size() == 1);
@@ -133,8 +133,8 @@ TVector<ISubOperationBase::TPtr> CancelBuildIndex(TOperationId nextId, const TTx
             auto implTableDropping = TransactionTemplate(index.PathString(), NKikimrSchemeOp::EOperationType::ESchemeOpDropTable);
             auto operation = implTableDropping.MutableDrop();
             operation->SetName(ToString(implTable.Base()->Name));
- 
-            result.push_back(CreateDropTable(NextPartId(nextId,result), implTableDropping)); 
+
+            result.push_back(CreateDropTable(NextPartId(nextId,result), implTableDropping));
         }
     }
 
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_assign_bsv.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_assign_bsv.cpp
index 58b264d12c..de1576f2b1 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_assign_bsv.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_assign_bsv.cpp
@@ -7,32 +7,32 @@ using namespace NKikimr;
 using namespace NSchemeShard;
 
 class TAssignBlockStoreVolume: public ISubOperationBase {
-    const TOperationId OperationId; 
-    const TTxTransaction Transaction; 
+    const TOperationId OperationId;
+    const TTxTransaction Transaction;
 
 public:
-    TAssignBlockStoreVolume(TOperationId id, const TTxTransaction& tx) 
-        : OperationId(id) 
-        , Transaction(tx) 
-    { 
-    } 
- 
+    TAssignBlockStoreVolume(TOperationId id, const TTxTransaction& tx)
+        : OperationId(id)
+        , Transaction(tx)
+    {
+    }
+
     TAssignBlockStoreVolume(TOperationId id)
         : OperationId(id)
-    { 
-    } 
+    {
+    }
 
     THolder<TProposeResponse> Propose(const TString&, TOperationContext& context) override {
         const TTabletId ssId = context.SS->SelfTabletId();
 
-        const TString& parentPathStr = Transaction.GetWorkingDir(); 
-        const TString& name = Transaction.GetAssignBlockStoreVolume().GetName(); 
-        const TString mountToken = Transaction.GetAssignBlockStoreVolume().GetNewMountToken(); 
+        const TString& parentPathStr = Transaction.GetWorkingDir();
+        const TString& name = Transaction.GetAssignBlockStoreVolume().GetName();
+        const TString mountToken = Transaction.GetAssignBlockStoreVolume().GetNewMountToken();
         const auto version = Transaction.GetAssignBlockStoreVolume().GetTokenVersion();
 
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TAssignBlockStoreVolume Propose"
-                         << ", path: " << parentPathStr << "/" << name 
+                         << ", path: " << parentPathStr << "/" << name
                          << ", operationId: " << OperationId
                          << ", at schemeshard: " << ssId);
 
@@ -42,8 +42,8 @@ public:
 
         {
             TPath::TChecker checks = path.Check();
-            checks 
-                .NotEmpty() 
+            checks
+                .NotEmpty()
                 .NotUnderDomainUpgrade()
                 .IsAtLocalSchemeShard()
                 .IsResolved()
@@ -81,8 +81,8 @@ public:
             return result;
         }
 
-        TString errStr; 
-        if (!context.SS->CheckApplyIf(Transaction, errStr)) { 
+        TString errStr;
+        if (!context.SS->CheckApplyIf(Transaction, errStr)) {
             result->SetError(NKikimrScheme::StatusPreconditionFailed, errStr);
             return result;
         }
@@ -93,16 +93,16 @@ public:
         ++volume->TokenVersion;
         context.SS->PersistBlockStoreVolumeMountToken(db, path.Base()->PathId, volume);
 
-        context.OnComplete.PublishToSchemeBoard(OperationId, path.Base()->PathId); 
- 
+        context.OnComplete.PublishToSchemeBoard(OperationId, path.Base()->PathId);
+
         context.OnComplete.DoneOperation(OperationId);
         return result;
     }
 
-    void AbortPropose(TOperationContext&) override { 
-        Y_FAIL("no AbortPropose for TAssignBlockStoreVolume"); 
-    } 
- 
+    void AbortPropose(TOperationContext&) override {
+        Y_FAIL("no AbortPropose for TAssignBlockStoreVolume");
+    }
+
     void ProgressState(TOperationContext&) override {
         Y_FAIL("no progress state for assign bsc");
         return;
@@ -118,10 +118,10 @@ public:
 namespace NKikimr {
 namespace NSchemeShard {
 
-ISubOperationBase::TPtr CreateAssignBSV(TOperationId id, const TTxTransaction& tx) { 
-    return new TAssignBlockStoreVolume(id, tx); 
-} 
- 
+ISubOperationBase::TPtr CreateAssignBSV(TOperationId id, const TTxTransaction& tx) {
+    return new TAssignBlockStoreVolume(id, tx);
+}
+
 ISubOperationBase::TPtr CreateAssignBSV(TOperationId id, TTxState::ETxState state) {
     Y_VERIFY(state == TTxState::Invalid || state == TTxState::Propose);
     return new TAssignBlockStoreVolume(id);
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_backup_restore_common.h b/ydb/core/tx/schemeshard/schemeshard__operation_backup_restore_common.h
index 599a6802ed..640f5f1356 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_backup_restore_common.h
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_backup_restore_common.h
@@ -1,32 +1,32 @@
 #pragma once
 #include "schemeshard__operation_part.h"
 #include "schemeshard__operation_common.h"
-#include "schemeshard_billing_helpers.h" 
+#include "schemeshard_billing_helpers.h"
 #include "schemeshard_impl.h"
 
 #include <ydb/core/base/subdomain.h>
 #include <ydb/core/metering/metering.h>
 
-#include <util/generic/utility.h> 
- 
-namespace NKikimr { 
+#include <util/generic/utility.h>
+
+namespace NKikimr {
 namespace NSchemeShard {
 
-template <typename TKind> 
+template <typename TKind>
 class TConfigurePart: public TSubOperationState {
-    const TTxState::ETxType TxType; 
-    const TOperationId OperationId; 
+    const TTxState::ETxType TxType;
+    const TOperationId OperationId;
 
     TString DebugHint() const override {
         return TStringBuilder()
-                << TKind::Name() << " TConfigurePart" 
-                << ", opId: " << OperationId; 
+                << TKind::Name() << " TConfigurePart"
+                << ", opId: " << OperationId;
     }
 
 public:
-    TConfigurePart(TTxState::ETxType type, TOperationId id) 
-        : TxType(type) 
-        , OperationId(id) 
+    TConfigurePart(TTxState::ETxType type, TOperationId id)
+        : TxType(type)
+        , OperationId(id)
     {
         IgnoreMessages(DebugHint(), {});
     }
@@ -46,40 +46,40 @@ public:
         auto ssId = context.SS->SelfTabletId();
 
         LOG_DEBUG_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
-                    TKind::Name() << " TConfigurePart ProgressState" 
-                        << ", opId: " << OperationId 
-                        << ", at schemeshard: " << ssId); 
+                    TKind::Name() << " TConfigurePart ProgressState"
+                        << ", opId: " << OperationId
+                        << ", at schemeshard: " << ssId);
 
         TTxState* txState = context.SS->TxInFlight.FindPtr(OperationId);
         Y_VERIFY(txState);
-        Y_VERIFY(txState->TxType == TxType); 
+        Y_VERIFY(txState->TxType == TxType);
         Y_VERIFY(txState->State == TTxState::ConfigureParts);
 
         txState->ClearShardsInProgress();
-        TKind::ProposeTx(OperationId, *txState, context); 
-        txState->UpdateShardsInProgress(TTxState::ConfigureParts); 
+        TKind::ProposeTx(OperationId, *txState, context);
+        txState->UpdateShardsInProgress(TTxState::ConfigureParts);
 
         return false;
     }
 };
 
-template <typename TKind> 
+template <typename TKind>
 class TProposedWaitParts: public TSubOperationState {
-protected: 
-    const TTxState::ETxType TxType; 
-    const TOperationId OperationId; 
- 
+protected:
+    const TTxState::ETxType TxType;
+    const TOperationId OperationId;
+
 private:
     TString DebugHint() const override {
         return TStringBuilder()
-                << TKind::Name() << " TProposedWaitParts" 
-                << ", opId: " << OperationId; 
+                << TKind::Name() << " TProposedWaitParts"
+                << ", opId: " << OperationId;
     }
 
 public:
-    TProposedWaitParts(TTxState::ETxType type, TOperationId id) 
-        : TxType(type) 
-        , OperationId(id) 
+    TProposedWaitParts(TTxState::ETxType type, TOperationId id)
+        : TxType(type)
+        , OperationId(id)
     {
         IgnoreMessages(DebugHint(),
             { TEvHive::TEvCreateTabletReply::EventType
@@ -88,69 +88,69 @@ public:
         );
     }
 
-    static void Bill(TOperationId operationId, const TPathId& pathId, const TShardIdx& shardIdx, ui64 ru, TOperationContext& context) { 
-        const auto path = TPath::Init(pathId, context.SS); 
-        const auto domainId = path.DomainId(); 
-        const auto domain = TPath::Init(domainId, context.SS); 
- 
-        auto unableToMakeABill = [&](const TStringBuf reason) { 
-            LOG_WARN_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "Unable to make a bill" 
-                << ": kind# " << TKind::Name() 
-                << ", opId# " << operationId 
-                << ", reason# " << reason 
-                << ", domain# " << domain.PathString() 
-                << ", domainId# " << domainId 
-                << ", IsDomainSchemeShard: " << context.SS->IsDomainSchemeShard 
-                << ", ParentDomainId: " << context.SS->ParentDomainId 
-                << ", ResourcesDomainId: " << domain.DomainInfo()->GetResourcesDomainId()); 
-        }; 
- 
-        if (!context.SS->IsServerlessDomain(domain)) { 
-            return unableToMakeABill("domain is not a serverless db"); 
-        } 
- 
-        const auto& attrs = domain.Base()->UserAttrs->Attrs; 
-        if (!attrs.contains("cloud_id")) { 
-            return unableToMakeABill("cloud_id not found in user attributes"); 
-        } 
- 
-        if (!attrs.contains("folder_id")) { 
-            return unableToMakeABill("folder_id not found in user attributes"); 
-        } 
- 
-        if (!attrs.contains("database_id")) { 
-            return unableToMakeABill("database_id not found in user attributes"); 
-        } 
- 
-        if (!TKind::NeedToBill(pathId, context)) { 
-            return unableToMakeABill("does not need to bill"); 
-        } 
- 
-        const auto now = context.Ctx.Now(); 
-        const TString id = TStringBuilder() << operationId.GetTxId() 
-            << "-" << pathId.OwnerId << "-" << pathId.LocalPathId 
-            << "-" << shardIdx.GetOwnerId() << "-" << shardIdx.GetLocalId(); 
- 
-        const TString billRecord = TBillRecord() 
-            .Id(id) 
-            .CloudId(attrs.at("cloud_id")) 
-            .FolderId(attrs.at("folder_id")) 
-            .ResourceId(attrs.at("database_id")) 
-            .SourceWt(now) 
-            .Usage(TBillRecord::RequestUnits(Max(ui64(1), ru), now)) 
-            .ToString(); 
- 
-        LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "Make a bill" 
-            << ": kind# " << TKind::Name() 
-            << ", opId# " << operationId 
-            << ", domain# " << domain.PathString() 
-            << ", domainId# " << domainId 
-            << ", record# " << billRecord); 
- 
-        context.OnComplete.Send(NMetering::MakeMeteringServiceID(), 
-            new NMetering::TEvMetering::TEvWriteMeteringJson(std::move(billRecord))); 
-    } 
- 
+    static void Bill(TOperationId operationId, const TPathId& pathId, const TShardIdx& shardIdx, ui64 ru, TOperationContext& context) {
+        const auto path = TPath::Init(pathId, context.SS);
+        const auto domainId = path.DomainId();
+        const auto domain = TPath::Init(domainId, context.SS);
+
+        auto unableToMakeABill = [&](const TStringBuf reason) {
+            LOG_WARN_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "Unable to make a bill"
+                << ": kind# " << TKind::Name()
+                << ", opId# " << operationId
+                << ", reason# " << reason
+                << ", domain# " << domain.PathString()
+                << ", domainId# " << domainId
+                << ", IsDomainSchemeShard: " << context.SS->IsDomainSchemeShard
+                << ", ParentDomainId: " << context.SS->ParentDomainId
+                << ", ResourcesDomainId: " << domain.DomainInfo()->GetResourcesDomainId());
+        };
+
+        if (!context.SS->IsServerlessDomain(domain)) {
+            return unableToMakeABill("domain is not a serverless db");
+        }
+
+        const auto& attrs = domain.Base()->UserAttrs->Attrs;
+        if (!attrs.contains("cloud_id")) {
+            return unableToMakeABill("cloud_id not found in user attributes");
+        }
+
+        if (!attrs.contains("folder_id")) {
+            return unableToMakeABill("folder_id not found in user attributes");
+        }
+
+        if (!attrs.contains("database_id")) {
+            return unableToMakeABill("database_id not found in user attributes");
+        }
+
+        if (!TKind::NeedToBill(pathId, context)) {
+            return unableToMakeABill("does not need to bill");
+        }
+
+        const auto now = context.Ctx.Now();
+        const TString id = TStringBuilder() << operationId.GetTxId()
+            << "-" << pathId.OwnerId << "-" << pathId.LocalPathId
+            << "-" << shardIdx.GetOwnerId() << "-" << shardIdx.GetLocalId();
+
+        const TString billRecord = TBillRecord()
+            .Id(id)
+            .CloudId(attrs.at("cloud_id"))
+            .FolderId(attrs.at("folder_id"))
+            .ResourceId(attrs.at("database_id"))
+            .SourceWt(now)
+            .Usage(TBillRecord::RequestUnits(Max(ui64(1), ru), now))
+            .ToString();
+
+        LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "Make a bill"
+            << ": kind# " << TKind::Name()
+            << ", opId# " << operationId
+            << ", domain# " << domain.PathString()
+            << ", domainId# " << domainId
+            << ", record# " << billRecord);
+
+        context.OnComplete.Send(NMetering::MakeMeteringServiceID(),
+            new NMetering::TEvMetering::TEvWriteMeteringJson(std::move(billRecord)));
+    }
+
     static void CollectStats(TOperationId operationId, const TEvDataShard::TEvSchemaChanged::TPtr& ev, TOperationContext& context) {
         const auto& evRecord = ev->Get()->Record;
 
@@ -175,31 +175,31 @@ public:
         }
 
         NIceDb::TNiceDb db(context.Txc.DB);
-        const auto& result = evRecord.GetOpResult(); 
- 
-        if (!txState.ShardStatuses.contains(shardIdx)) { 
-            auto& shardStatus = txState.ShardStatuses[shardIdx]; 
-            shardStatus.Success = result.GetSuccess(); 
-            shardStatus.Error = result.GetExplain(); 
-            shardStatus.BytesProcessed = result.GetBytesProcessed(); 
-            shardStatus.RowsProcessed = result.GetRowsProcessed(); 
-            context.SS->PersistTxShardStatus(db, operationId, shardIdx, shardStatus); 
- 
-            const ui64 ru = TKind::RequestUnits(shardStatus.BytesProcessed, shardStatus.RowsProcessed); 
-            Bill(operationId, txState.TargetPathId, shardIdx, ru, context); 
-        } 
- 
-        // TODO(ilnaz): backward compatability, remove it 
-        if (result.GetSuccess()) { 
-            if (result.HasBytesProcessed()) { 
-                txState.DataTotalSize += result.GetBytesProcessed(); 
+        const auto& result = evRecord.GetOpResult();
+
+        if (!txState.ShardStatuses.contains(shardIdx)) {
+            auto& shardStatus = txState.ShardStatuses[shardIdx];
+            shardStatus.Success = result.GetSuccess();
+            shardStatus.Error = result.GetExplain();
+            shardStatus.BytesProcessed = result.GetBytesProcessed();
+            shardStatus.RowsProcessed = result.GetRowsProcessed();
+            context.SS->PersistTxShardStatus(db, operationId, shardIdx, shardStatus);
+
+            const ui64 ru = TKind::RequestUnits(shardStatus.BytesProcessed, shardStatus.RowsProcessed);
+            Bill(operationId, txState.TargetPathId, shardIdx, ru, context);
+        }
+
+        // TODO(ilnaz): backward compatability, remove it
+        if (result.GetSuccess()) {
+            if (result.HasBytesProcessed()) {
+                txState.DataTotalSize += result.GetBytesProcessed();
 
                 db.Table<Schema::TxInFlightV2>().Key(operationId.GetTxId(), operationId.GetSubTxId()).Update(
-                            NIceDb::TUpdate<Schema::TxInFlightV2::DataTotalSize>(txState.DataTotalSize)); 
+                            NIceDb::TUpdate<Schema::TxInFlightV2::DataTotalSize>(txState.DataTotalSize));
             }
         } else {
-            if (result.HasExplain()) { 
-                TString explain = result.GetExplain(); 
+            if (result.HasExplain()) {
+                TString explain = result.GetExplain();
 
                 if (context.SS->IsLocalId(shardIdx)) {
                     db.Table<Schema::ShardBackupStatus>().Key(operationId.GetTxId(), shardIdx.GetLocalId()).Update(
@@ -217,8 +217,8 @@ public:
         const auto& evRecord = ev->Get()->Record;
 
         LOG_INFO_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
-                     DebugHint() << " HandleReply TEvSchemaChanged" 
-                     << " at tablet# " << ssId 
+                     DebugHint() << " HandleReply TEvSchemaChanged"
+                     << " at tablet# " << ssId
                      << " message# " << evRecord.ShortDebugString());
 
         bool allnotificationRecieved = NTableState::CollectSchemaChanged(OperationId, ev, context);
@@ -235,7 +235,7 @@ public:
             return false;
         }
 
-        TKind::FinishStats(OperationId, txState, context); 
+        TKind::FinishStats(OperationId, txState, context);
         return true;
     }
 
@@ -260,8 +260,8 @@ public:
         }
         txState->UpdateShardsInProgress(TTxState::ProposedWaitParts);
 
-        if (txState->Cancel) { 
-            context.SS->ChangeTxState(db, OperationId, TTxState::Aborting); 
+        if (txState->Cancel) {
+            context.SS->ChangeTxState(db, OperationId, TTxState::Aborting);
             return true;
         }
 
@@ -275,7 +275,7 @@ public:
         if (txState->ShardsInProgress.empty()) {
             NTableState::AckAllSchemaChanges(OperationId, *txState, context);
             context.SS->ChangeTxState(db, OperationId, TTxState::Done);
-            TKind::FinishStats(OperationId, *txState, context); 
+            TKind::FinishStats(OperationId, *txState, context);
             return true;
         }
 
@@ -283,22 +283,22 @@ public:
     }
 };
 
-template <typename TKind, typename TEvCancel> 
-class TAborting: public TProposedWaitParts<TKind> { 
-    using TProposedWaitParts<TKind>::OperationId; 
-    using TProposedWaitParts<TKind>::TxType; 
+template <typename TKind, typename TEvCancel>
+class TAborting: public TProposedWaitParts<TKind> {
+    using TProposedWaitParts<TKind>::OperationId;
+    using TProposedWaitParts<TKind>::TxType;
 
     TString DebugHint() const override {
         return TStringBuilder()
-                << TKind::Name() << " TAborting" 
-                << ", opId: " << OperationId; 
+                << TKind::Name() << " TAborting"
+                << ", opId: " << OperationId;
     }
 
 public:
-    TAborting(TTxState::ETxType type, TOperationId id) 
-        : TProposedWaitParts<TKind>(type, id) 
+    TAborting(TTxState::ETxType type, TOperationId id)
+        : TProposedWaitParts<TKind>(type, id)
     {
-        this->IgnoreMessages(DebugHint(), 
+        this->IgnoreMessages(DebugHint(),
             { TEvHive::TEvCreateTabletReply::EventType
             , TEvDataShard::TEvProposeTransactionResult::EventType
             , TEvPrivate::TEvOperationPlan::EventType }
@@ -314,8 +314,8 @@ public:
 
         TTxState* txState = context.SS->TxInFlight.FindPtr(OperationId);
         Y_VERIFY(txState);
-        Y_VERIFY(txState->TxType == TxType); 
-        Y_VERIFY(txState->State == TTxState::Aborting); 
+        Y_VERIFY(txState->TxType == TxType);
+        Y_VERIFY(txState->State == TTxState::Aborting);
 
         txState->ClearShardsInProgress();
 
@@ -333,14 +333,14 @@ public:
             auto idx = txState->Shards[i].Idx;
             auto datashardId = context.SS->ShardInfos[idx].TabletID;
 
-            LOG_DEBUG_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                        TKind::Name() << " Abort" 
-                            << ", on datashard: " << datashardId 
-                            << ", opId: " << OperationId 
-                            << ", at schemeshard: " << context.SS->TabletID()); 
+            LOG_DEBUG_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                        TKind::Name() << " Abort"
+                            << ", on datashard: " << datashardId
+                            << ", opId: " << OperationId
+                            << ", at schemeshard: " << context.SS->TabletID());
 
-            THolder<TEvCancel> event = 
-                THolder(new TEvCancel(ui64(OperationId.GetTxId()), txState->TargetPathId.LocalPathId)); 
+            THolder<TEvCancel> event =
+                THolder(new TEvCancel(ui64(OperationId.GetTxId()), txState->TargetPathId.LocalPathId));
 
             context.OnComplete.BindMsgToPipe(OperationId, datashardId, idx, event.Release());
         }
@@ -353,7 +353,7 @@ public:
         if (txState->ShardsInProgress.empty()) {
             NTableState::AckAllSchemaChanges(OperationId, *txState, context);
             context.SS->ChangeTxState(db, OperationId, TTxState::Done);
-            TKind::FinishStats(OperationId, *txState, context); 
+            TKind::FinishStats(OperationId, *txState, context);
             return true;
         }
 
@@ -361,21 +361,21 @@ public:
     }
 };
 
-template <typename TKind> 
+template <typename TKind>
 class TPropose: public TSubOperationState {
-    const TTxState::ETxType TxType; 
-    const TOperationId OperationId; 
+    const TTxState::ETxType TxType;
+    const TOperationId OperationId;
 
     TString DebugHint() const override {
         return TStringBuilder()
-                << TKind::Name() << " TPropose" 
-                << ", opId: " << OperationId; 
+                << TKind::Name() << " TPropose"
+                << ", opId: " << OperationId;
     }
- 
+
 public:
-    TPropose(TTxState::ETxType type, TOperationId id) 
-        : TxType(type) 
-        , OperationId(id) 
+    TPropose(TTxState::ETxType type, TOperationId id)
+        : TxType(type)
+        , OperationId(id)
     {
         IgnoreMessages(DebugHint(), {TEvDataShard::TEvProposeTransactionResult::EventType});
     }
@@ -389,7 +389,7 @@ public:
                                << ", at schemeshard: " << ssId);
 
         NTableState::CollectSchemaChanged(OperationId, ev, context);
-        TProposedWaitParts<TKind>::CollectStats(OperationId, ev, context); 
+        TProposedWaitParts<TKind>::CollectStats(OperationId, ev, context);
         return false;
     }
 
@@ -404,19 +404,19 @@ public:
 
         TTxState* txState = context.SS->FindTx(OperationId);
         Y_VERIFY(txState);
-        Y_VERIFY(txState->TxType == TxType); 
+        Y_VERIFY(txState->TxType == TxType);
 
         TPathId pathId = txState->TargetPathId;
         TPathElement::TPtr path = context.SS->PathsById.at(pathId);
 
-        TKind::PersistDone(pathId, context); 
+        TKind::PersistDone(pathId, context);
 
         context.SS->ClearDescribePathCaches(path);
-        context.OnComplete.PublishToSchemeBoard(OperationId, pathId); 
- 
-        NIceDb::TNiceDb db(context.Txc.DB); 
+        context.OnComplete.PublishToSchemeBoard(OperationId, pathId);
+
+        NIceDb::TNiceDb db(context.Txc.DB);
         context.SS->ChangeTxState(db, OperationId, TTxState::ProposedWaitParts);
- 
+
         return true;
     }
 
@@ -429,7 +429,7 @@ public:
 
         TTxState* txState = context.SS->FindTx(OperationId);
         Y_VERIFY(txState);
-        Y_VERIFY(txState->TxType == TxType); 
+        Y_VERIFY(txState->TxType == TxType);
 
         TSet<TTabletId> shardSet;
         for (const auto& shard : txState->Shards) {
@@ -443,13 +443,13 @@ public:
     }
 };
 
-template <typename TKind, typename TEvCancel> 
-class TBackupRestoreOperationBase: public TSubOperation { 
-    const TTxState::ETxType TxType; 
-    const TPathElement::EPathState Lock; 
+template <typename TKind, typename TEvCancel>
+class TBackupRestoreOperationBase: public TSubOperation {
+    const TTxState::ETxType TxType;
+    const TPathElement::EPathState Lock;
 
-    const TOperationId OperationId; 
-    const TTxTransaction Transaction; 
+    const TOperationId OperationId;
+    const TTxTransaction Transaction;
     TTxState::ETxState State = TTxState::Invalid;
 
     TTxState::ETxState NextState() {
@@ -471,19 +471,19 @@ class TBackupRestoreOperationBase: public TSubOperation {
         case TTxState::ProposedWaitParts: {
             TTxState* txState = context.SS->FindTx(OperationId);
             Y_VERIFY(txState);
-            Y_VERIFY(txState->TxType == TxType); 
-
-            if (txState->Cancel) { 
-                if (txState->State == TTxState::Done) { 
-                    return TTxState::Done; 
-                } 
- 
-                Y_VERIFY(txState->State == TTxState::Aborting); 
-                return TTxState::Aborting; 
+            Y_VERIFY(txState->TxType == TxType);
+
+            if (txState->Cancel) {
+                if (txState->State == TTxState::Done) {
+                    return TTxState::Done;
+                }
+
+                Y_VERIFY(txState->State == TTxState::Aborting);
+                return TTxState::Aborting;
             }
             return TTxState::Done;
         }
-        case TTxState::Aborting: 
+        case TTxState::Aborting:
             return TTxState::Done;
 
         default:
@@ -498,13 +498,13 @@ class TBackupRestoreOperationBase: public TSubOperation {
         case TTxState::CreateParts:
             return THolder(new TCreateParts(OperationId));
         case TTxState::ConfigureParts:
-            return THolder(new TConfigurePart<TKind>(TxType, OperationId)); 
+            return THolder(new TConfigurePart<TKind>(TxType, OperationId));
         case TTxState::Propose:
-            return THolder(new TPropose<TKind>(TxType, OperationId)); 
+            return THolder(new TPropose<TKind>(TxType, OperationId));
         case TTxState::ProposedWaitParts:
-            return THolder(new TProposedWaitParts<TKind>(TxType, OperationId)); 
-        case TTxState::Aborting: 
-            return THolder(new TAborting<TKind, TEvCancel>(TxType, OperationId)); 
+            return THolder(new TProposedWaitParts<TKind>(TxType, OperationId));
+        case TTxState::Aborting:
+            return THolder(new TAborting<TKind, TEvCancel>(TxType, OperationId));
         case TTxState::Done:
             return THolder(new TDone(OperationId));
         default:
@@ -522,36 +522,36 @@ class TBackupRestoreOperationBase: public TSubOperation {
     }
 
 public:
-    TBackupRestoreOperationBase( 
-            TTxState::ETxType type, TPathElement::EPathState lock, 
-            TOperationId id, const TTxTransaction& tx) 
-        : TxType(type) 
-        , Lock(lock) 
-        , OperationId(id) 
-        , Transaction(tx) 
-    { 
-    } 
-
-    TBackupRestoreOperationBase( 
-            TTxState::ETxType type, TPathElement::EPathState lock, 
-            TOperationId id, TTxState::ETxState state) 
-        : TxType(type) 
-        , Lock(lock) 
-        , OperationId(id) 
+    TBackupRestoreOperationBase(
+            TTxState::ETxType type, TPathElement::EPathState lock,
+            TOperationId id, const TTxTransaction& tx)
+        : TxType(type)
+        , Lock(lock)
+        , OperationId(id)
+        , Transaction(tx)
+    {
+    }
+
+    TBackupRestoreOperationBase(
+            TTxState::ETxType type, TPathElement::EPathState lock,
+            TOperationId id, TTxState::ETxState state)
+        : TxType(type)
+        , Lock(lock)
+        , OperationId(id)
         , State(state)
     {
         SetState(SelectStateFunc(state));
     }
 
-    void PrepareChanges(TPathElement::TPtr path, TOperationContext& context) { 
-        Y_VERIFY(context.SS->Tables.contains(path->PathId)); 
-        TTableInfo::TPtr& table = context.SS->Tables.at(path->PathId); 
+    void PrepareChanges(TPathElement::TPtr path, TOperationContext& context) {
+        Y_VERIFY(context.SS->Tables.contains(path->PathId));
+        TTableInfo::TPtr& table = context.SS->Tables.at(path->PathId);
+
+        path->LastTxId = OperationId.GetTxId();
+        path->PathState = Lock;
 
-        path->LastTxId = OperationId.GetTxId(); 
-        path->PathState = Lock; 
+        TTxState& txState = context.SS->CreateTx(OperationId, TxType, path->PathId);
 
-        TTxState& txState = context.SS->CreateTx(OperationId, TxType, path->PathId); 
- 
         txState.Shards.reserve(table->GetPartitions().size());
         for (const auto& shard : table->GetPartitions()) {
             auto shardIdx = shard.ShardIdx;
@@ -561,55 +561,55 @@ public:
         NIceDb::TNiceDb db(context.Txc.DB);
         context.SS->PersistTxState(db, OperationId);
 
-        TKind::PersistTask(path->PathId, Transaction, context); 
+        TKind::PersistTask(path->PathId, Transaction, context);
 
         for (auto splitTx: table->GetSplitOpsInFlight()) {
-            context.OnComplete.Dependence(splitTx.GetTxId(), OperationId.GetTxId()); 
+            context.OnComplete.Dependence(splitTx.GetTxId(), OperationId.GetTxId());
         }
 
         txState.State = TTxState::CreateParts;
-        context.OnComplete.ActivateTx(OperationId); 
+        context.OnComplete.ActivateTx(OperationId);
     }
 
     THolder<TProposeResponse> Propose(const TString&, TOperationContext& context) override {
         const TTabletId ssId = context.SS->SelfTabletId();
 
-        const TString& parentPath = Transaction.GetWorkingDir(); 
-        const TString name = TKind::GetTableName(Transaction); 
+        const TString& parentPath = Transaction.GetWorkingDir();
+        const TString name = TKind::GetTableName(Transaction);
 
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
-                     TKind::Name() << " Propose" 
+                     TKind::Name() << " Propose"
                          << ", path: " << parentPath << "/" << name
                          << ", opId: " << OperationId
                          << ", at schemeshard: " << ssId);
 
         auto result = MakeHolder<TProposeResponse>(NKikimrScheme::StatusAccepted, ui64(OperationId.GetTxId()), ui64(ssId));
 
-        if (!Transaction.HasWorkingDir()) { 
+        if (!Transaction.HasWorkingDir()) {
             result->SetError(NKikimrScheme::StatusInvalidParameter,
-                             "Malformed request: no working dir"); 
+                             "Malformed request: no working dir");
             return result;
         }
 
-        if (!TKind::HasTask(Transaction)) { 
+        if (!TKind::HasTask(Transaction)) {
             result->SetError(
                 NKikimrScheme::StatusInvalidParameter,
-                "Malformed request"); 
+                "Malformed request");
             return result;
         }
 
-        if (name.empty()) { 
+        if (name.empty()) {
             result->SetError(
                 NKikimrScheme::StatusInvalidParameter,
-                "No table name in task"); 
+                "No table name in task");
             return result;
         }
 
         TPath path = TPath::Resolve(parentPath, context.SS).Dive(name);
         {
             TPath::TChecker checks = path.Check();
-            checks 
-                .NotEmpty() 
+            checks
+                .NotEmpty()
                 .NotUnderDomainUpgrade()
                 .IsAtLocalSchemeShard()
                 .IsResolved()
@@ -628,8 +628,8 @@ public:
             }
         }
 
-        TString errStr; 
-        if (!context.SS->CheckApplyIf(Transaction, errStr)) { 
+        TString errStr;
+        if (!context.SS->CheckApplyIf(Transaction, errStr)) {
             result->SetError(NKikimrScheme::StatusPreconditionFailed, errStr);
             return result;
         }
@@ -639,27 +639,27 @@ public:
             return result;
         }
 
-        PrepareChanges(path.Base(), context); 
+        PrepareChanges(path.Base(), context);
 
         State = NextState();
         SetState(SelectStateFunc(State));
         return result;
     }
 
-    void AbortPropose(TOperationContext&) override { 
-        Y_FAIL("no AbortPropose for TBackupRestoreOperationBase"); 
-    } 
- 
+    void AbortPropose(TOperationContext&) override {
+        Y_FAIL("no AbortPropose for TBackupRestoreOperationBase");
+    }
+
     void AbortUnsafe(TTxId forceDropTxId, TOperationContext& context) override {
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
-                     TKind::Name() << " AbortUnsafe" 
+                     TKind::Name() << " AbortUnsafe"
                          << ", opId: " << OperationId
                          << ", forceDropId: " << forceDropTxId
-                         << ", at schemeshard: " << context.SS->TabletID()); 
+                         << ", at schemeshard: " << context.SS->TabletID());
 
         context.OnComplete.DoneOperation(OperationId);
     }
 };
 
 }
-} 
+}
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_cancel_tx.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_cancel_tx.cpp
index 76ac583836..aceebc3786 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_cancel_tx.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_cancel_tx.cpp
@@ -6,7 +6,7 @@ namespace {
 using namespace NKikimr;
 using namespace NSchemeShard;
 
-class TTxCancelTx: public ISubOperationBase { 
+class TTxCancelTx: public ISubOperationBase {
 private:
     TEvSchemeShard::TEvCancelTx::TPtr Event;
 
@@ -19,37 +19,37 @@ public:
         const auto& evRecord = Event->Get()->Record;
 
         Y_VERIFY(evRecord.HasTxId());
-        Y_VERIFY(evRecord.HasTargetTxId()); 
+        Y_VERIFY(evRecord.HasTargetTxId());
 
         LOG_DEBUG(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
-                  "Execute cancel tx txid #%" PRIu64, 
-                  evRecord.GetTargetTxId()); 
+                  "Execute cancel tx txid #%" PRIu64,
+                  evRecord.GetTargetTxId());
 
         auto proposeResult = MakeHolder<TProposeResponse>(NKikimrScheme::StatusAccepted, evRecord.GetTxId(), context.SS->TabletID());
 
         THolder<TEvSchemeShard::TEvCancelTxResult> result = MakeHolder<TEvSchemeShard::TEvCancelTxResult>(evRecord.GetTargetTxId(), evRecord.GetTxId());
 
-        TOperationId targetOpId = TOperationId(evRecord.GetTargetTxId(), 0); 
+        TOperationId targetOpId = TOperationId(evRecord.GetTargetTxId(), 0);
 
-        auto found = context.SS->FindTx(targetOpId); 
+        auto found = context.SS->FindTx(targetOpId);
         if (!found) {
             result->Record.SetStatus(NKikimrScheme::StatusTxIdNotExists);
-            result->Record.SetResult("Transaction not found"); 
-            context.OnComplete.Send(Event->Sender, std::move(result), evRecord.GetTxId()); 
+            result->Record.SetResult("Transaction not found");
+            context.OnComplete.Send(Event->Sender, std::move(result), evRecord.GetTxId());
             return proposeResult;
         }
 
         TTxState& txState = *found;
-        if (txState.TxType != TTxState::TxBackup && txState.TxType != TTxState::TxRestore) { 
+        if (txState.TxType != TTxState::TxBackup && txState.TxType != TTxState::TxRestore) {
             result->Record.SetStatus(NKikimrScheme::StatusTxIsNotCancellable);
-            result->Record.SetResult("Transaction is not cancellable"); 
-            context.OnComplete.Send(Event->Sender, std::move(result), evRecord.GetTxId()); 
+            result->Record.SetResult("Transaction is not cancellable");
+            context.OnComplete.Send(Event->Sender, std::move(result), evRecord.GetTxId());
             return proposeResult;
         }
 
-        if (txState.State == TTxState::Aborting) { 
+        if (txState.State == TTxState::Aborting) {
             result->Record.SetStatus(NKikimrScheme::StatusAccepted);
-            result->Record.SetResult("Tx is cancelling at SchemeShard already"); 
+            result->Record.SetResult("Tx is cancelling at SchemeShard already");
             context.OnComplete.Send(Event->Sender, std::move(result), evRecord.GetTxId());
             return proposeResult;
         }
@@ -57,28 +57,28 @@ public:
         NIceDb::TNiceDb db(context.Txc.DB);
 
         /* Let's abort at the final stage of the transaction */
-        txState.Cancel = true; 
-        context.SS->PersistCancelTx(db, targetOpId, txState); 
+        txState.Cancel = true;
+        context.SS->PersistCancelTx(db, targetOpId, txState);
 
         result->Record.SetStatus(NKikimrScheme::StatusAccepted);
         result->Record.SetResult("Cancelled at SchemeShard");
-        context.OnComplete.Send(Event->Sender, std::move(result), evRecord.GetTxId()); 
+        context.OnComplete.Send(Event->Sender, std::move(result), evRecord.GetTxId());
 
-        context.OnComplete.ActivateTx(targetOpId); 
+        context.OnComplete.ActivateTx(targetOpId);
         return proposeResult;
     }
 
-    void AbortPropose(TOperationContext&) override { 
-        Y_FAIL("no AbortPropose for TTxCancelTx"); 
-    } 
- 
+    void AbortPropose(TOperationContext&) override {
+        Y_FAIL("no AbortPropose for TTxCancelTx");
+    }
+
     void ProgressState(TOperationContext&) override {
-        Y_FAIL("no progress state for cancel tx"); 
+        Y_FAIL("no progress state for cancel tx");
         return;
     }
 
     void AbortUnsafe(TTxId, TOperationContext&) override {
-        Y_FAIL("no AbortUnsafe for cancel tx"); 
+        Y_FAIL("no AbortUnsafe for cancel tx");
     }
 };
 
@@ -90,7 +90,7 @@ namespace NSchemeShard {
 
 ISubOperationBase::TPtr CreateTxCancelTx(TEvSchemeShard::TEvCancelTx::TPtr ev)
 {
-    return new TTxCancelTx(ev); 
+    return new TTxCancelTx(ev);
 }
 
 }
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_common.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_common.cpp
index 21dade0bf1..5a88636ffa 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_common.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_common.cpp
@@ -148,14 +148,14 @@ bool NTableState::CollectSchemaChanged(
 
     if (evRecord.HasOpResult()) {
         // TODO: remove TxBackup handling
-        Y_VERIFY_DEBUG(txState.TxType == TTxState::TxBackup || txState.TxType == TTxState::TxRestore); 
+        Y_VERIFY_DEBUG(txState.TxType == TTxState::TxBackup || txState.TxType == TTxState::TxRestore);
     }
 
     if (!txState.ReadyForNotifications) {
         return false;
     }
-    if (txState.TxType == TTxState::TxBackup || txState.TxType == TTxState::TxRestore) { 
-        Y_VERIFY(txState.State == TTxState::ProposedWaitParts || txState.State == TTxState::Aborting); 
+    if (txState.TxType == TTxState::TxBackup || txState.TxType == TTxState::TxRestore) {
+        Y_VERIFY(txState.State == TTxState::ProposedWaitParts || txState.State == TTxState::Aborting);
     } else {
         Y_VERIFY(txState.State == TTxState::ProposedWaitParts);
     }
@@ -260,20 +260,20 @@ void NTableState::UpdatePartitioningForTableModification(TOperationId operationI
         commonShardOp = TTxState::DropParts;
     } else if (txState.TxType == TTxState::TxBackup) {
         commonShardOp = TTxState::ConfigureParts;
-    } else if (txState.TxType == TTxState::TxRestore) { 
-        commonShardOp = TTxState::ConfigureParts; 
+    } else if (txState.TxType == TTxState::TxRestore) {
+        commonShardOp = TTxState::ConfigureParts;
     } else if (txState.TxType == TTxState::TxInitializeBuildIndex) {
         commonShardOp = TTxState::ConfigureParts;
     } else if (txState.TxType == TTxState::TxFinalizeBuildIndex) {
         commonShardOp = TTxState::ConfigureParts;
     } else if (txState.TxType == TTxState::TxDropTableIndexAtMainTable) {
         commonShardOp = TTxState::ConfigureParts;
-    } else if (txState.TxType == TTxState::TxCreateCdcStreamAtTable) { 
-        commonShardOp = TTxState::ConfigureParts; 
-    } else if (txState.TxType == TTxState::TxAlterCdcStreamAtTable) { 
-        commonShardOp = TTxState::ConfigureParts; 
-    } else if (txState.TxType == TTxState::TxDropCdcStreamAtTable) { 
-        commonShardOp = TTxState::ConfigureParts; 
+    } else if (txState.TxType == TTxState::TxCreateCdcStreamAtTable) {
+        commonShardOp = TTxState::ConfigureParts;
+    } else if (txState.TxType == TTxState::TxAlterCdcStreamAtTable) {
+        commonShardOp = TTxState::ConfigureParts;
+    } else if (txState.TxType == TTxState::TxDropCdcStreamAtTable) {
+        commonShardOp = TTxState::ConfigureParts;
     } else {
         Y_FAIL("UNREACHABLE");
     }
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_common.h b/ydb/core/tx/schemeshard/schemeshard__operation_common.h
index 84d3bd3dd9..5a3da32cad 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_common.h
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_common.h
@@ -333,7 +333,7 @@ public:
                                                                               path.Base()->Owner, path.GetEffectiveACL(), path.GetEffectiveACLVersion(),
                                                                               processing, storagePools,
                                                                               path.Base()->UserAttrs->Attrs, path.Base()->UserAttrs->AlterVersion,
-                                                                              schemeLimits, ui64(alterData->GetSharedHive()), alterData->GetResourcesDomainId() 
+                                                                              schemeLimits, ui64(alterData->GetSharedHive()), alterData->GetResourcesDomainId()
                                                                               );
                 if (alterData->GetDeclaredSchemeQuotas()) {
                     event->Record.MutableDeclaredSchemeQuotas()->CopyFrom(*alterData->GetDeclaredSchemeQuotas());
@@ -425,14 +425,14 @@ public:
             ++parentDir->DirAlterVersion;
             context.SS->PersistPathDirAlterVersion(db, parentDir);
             context.SS->ClearDescribePathCaches(parentDir);
-            context.OnComplete.PublishToSchemeBoard(OperationId, parentDir->PathId); 
+            context.OnComplete.PublishToSchemeBoard(OperationId, parentDir->PathId);
         }
 
         context.OnComplete.UpdateTenant(pathId);
         context.SS->ClearDescribePathCaches(path);
-        context.OnComplete.PublishToSchemeBoard(OperationId, pathId); 
- 
-        context.SS->ChangeTxState(db, OperationId, TTxState::Done); 
+        context.OnComplete.PublishToSchemeBoard(OperationId, pathId);
+
+        context.SS->ChangeTxState(db, OperationId, TTxState::Done);
         return true;
     }
 
@@ -681,21 +681,21 @@ public:
             objectDomain->SetPathId(domainId.LocalPathId);
         }
 
-        Y_VERIFY(context.SS->SubDomains.contains(domainId)); 
-        TSubDomainInfo::TPtr subDomain = context.SS->SubDomains.at(domainId); 
- 
-        TPathId resourcesDomainId; 
-        if (subDomain->GetResourcesDomainId()) { 
-            resourcesDomainId = subDomain->GetResourcesDomainId(); 
-        } else if (subDomain->GetAlter() && subDomain->GetAlter()->GetResourcesDomainId()) { 
-            resourcesDomainId = subDomain->GetAlter()->GetResourcesDomainId(); 
-        } else { 
-            Y_FAIL("Cannot retrieve resources domain id"); 
-        } 
- 
+        Y_VERIFY(context.SS->SubDomains.contains(domainId));
+        TSubDomainInfo::TPtr subDomain = context.SS->SubDomains.at(domainId);
+
+        TPathId resourcesDomainId;
+        if (subDomain->GetResourcesDomainId()) {
+            resourcesDomainId = subDomain->GetResourcesDomainId();
+        } else if (subDomain->GetAlter() && subDomain->GetAlter()->GetResourcesDomainId()) {
+            resourcesDomainId = subDomain->GetAlter()->GetResourcesDomainId();
+        } else {
+            Y_FAIL("Cannot retrieve resources domain id");
+        }
+
         auto allowedDomain = ev->Record.AddAllowedDomains();
-        allowedDomain->SetSchemeShard(resourcesDomainId.OwnerId); 
-        allowedDomain->SetPathId(resourcesDomainId.LocalPathId); 
+        allowedDomain->SetSchemeShard(resourcesDomainId.OwnerId);
+        allowedDomain->SetPathId(resourcesDomainId.LocalPathId);
 
         if (tablePartitionConfig) {
             if (tablePartitionConfig->FollowerGroupsSize()) {
@@ -760,8 +760,8 @@ public:
 
         if (txState->TxType == TTxState::TxDropTable
             || txState->TxType == TTxState::TxAlterTable
-            || txState->TxType == TTxState::TxBackup 
-            || txState->TxType == TTxState::TxRestore) { 
+            || txState->TxType == TTxState::TxBackup
+            || txState->TxType == TTxState::TxRestore) {
             if (NTableState::CheckPartitioningChangedForTableModification(*txState, context)) {
                 LOG_INFO_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                            DebugHint() << " ProgressState"
@@ -1024,21 +1024,21 @@ public:
                 event->Record.MutableTabletConfig()->SetVersion(pqGroup->AlterVersion + 1);
 
                 for (const auto& pq : pqShard->PQInfos) {
-                    event->Record.MutableTabletConfig()->AddPartitionIds(pq.PqId); 
- 
-                    auto& partition = *event->Record.MutableTabletConfig()->AddPartitions(); 
-                    partition.SetPartitionId(pq.PqId); 
-                    if (pq.KeyRange) { 
-                        pq.KeyRange->SerializeToProto(*partition.MutableKeyRange()); 
-                    } 
+                    event->Record.MutableTabletConfig()->AddPartitionIds(pq.PqId);
+
+                    auto& partition = *event->Record.MutableTabletConfig()->AddPartitions();
+                    partition.SetPartitionId(pq.PqId);
+                    if (pq.KeyRange) {
+                        pq.KeyRange->SerializeToProto(*partition.MutableKeyRange());
+                    }
+                }
+
+                if (pqGroup->AlterData && pqGroup->AlterData->BootstrapConfig) {
+                    Y_VERIFY(txState->TxType == TTxState::TxCreatePQGroup);
+                    const bool ok = ParseFromStringNoSizeLimit(*event->Record.MutableBootstrapConfig(), pqGroup->AlterData->BootstrapConfig);
+                    Y_VERIFY(ok);
                 }
 
-                if (pqGroup->AlterData && pqGroup->AlterData->BootstrapConfig) { 
-                    Y_VERIFY(txState->TxType == TTxState::TxCreatePQGroup); 
-                    const bool ok = ParseFromStringNoSizeLimit(*event->Record.MutableBootstrapConfig(), pqGroup->AlterData->BootstrapConfig); 
-                    Y_VERIFY(ok); 
-                } 
- 
                 context.OnComplete.BindMsgToPipe(OperationId, tabletId, idx, event.Release());
             } else {
                 Y_VERIFY(shard.TabletType == ETabletType::PersQueueReadBalancer);
@@ -1160,7 +1160,7 @@ public:
         context.SS->PersistPersQueueGroup(db, pathId, pqGroup);
         context.SS->PersistRemovePersQueueGroupAlter(db, pathId);
 
-        context.SS->ChangeTxState(db, OperationId, TTxState::Done); 
+        context.SS->ChangeTxState(db, OperationId, TTxState::Done);
         return true;
     }
 
@@ -1373,9 +1373,9 @@ public:
         }
 
         context.SS->ClearDescribePathCaches(path);
-        context.OnComplete.PublishToSchemeBoard(OperationId, pathId); 
+        context.OnComplete.PublishToSchemeBoard(OperationId, pathId);
 
-        context.SS->ChangeTxState(db, OperationId, TTxState::Done); 
+        context.SS->ChangeTxState(db, OperationId, TTxState::Done);
         return true;
     }
 
@@ -1398,184 +1398,184 @@ public:
 
 }
 
-namespace NCdcStreamState { 
- 
-class TConfigurePartsAtTable: public TSubOperationState { 
+namespace NCdcStreamState {
+
+class TConfigurePartsAtTable: public TSubOperationState {
     TString DebugHint() const override {
-        return TStringBuilder() 
-            << "NCdcStreamState::TConfigurePartsAtTable" 
-            << " operationId: " << OperationId; 
-    } 
- 
-    static bool IsExpectedTxType(TTxState::ETxType txType) { 
-        switch (txType) { 
-        case TTxState::TxCreateCdcStreamAtTable: 
-        case TTxState::TxAlterCdcStreamAtTable: 
-        case TTxState::TxDropCdcStreamAtTable: 
-            return true; 
-        default: 
-            return false; 
-        } 
-    } 
- 
-protected: 
-    virtual void FillNotice(const TPathId& pathId, NKikimrTxDataShard::TFlatSchemeTransaction& tx, TOperationContext& context) const = 0; 
- 
-public: 
-    explicit TConfigurePartsAtTable(TOperationId id) 
-        : OperationId(id) 
-    { 
-        IgnoreMessages(DebugHint(), {}); 
-    } 
- 
-    bool ProgressState(TOperationContext& context) override { 
-        LOG_INFO_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                   DebugHint() << " ProgressState" 
-                               << ", at schemeshard: " << context.SS->TabletID()); 
- 
-        auto* txState = context.SS->FindTx(OperationId); 
-        Y_VERIFY(txState); 
-        Y_VERIFY(IsExpectedTxType(txState->TxType)); 
-        const auto& pathId = txState->TargetPathId; 
- 
-        if (NTableState::CheckPartitioningChangedForTableModification(*txState, context)) { 
-            NTableState::UpdatePartitioningForTableModification(OperationId, *txState, context); 
-        } 
- 
-        NKikimrTxDataShard::TFlatSchemeTransaction tx; 
-        context.SS->FillSeqNo(tx, context.SS->StartRound(*txState)); 
-        FillNotice(pathId, tx, context); 
- 
-        TString txBody; 
+        return TStringBuilder()
+            << "NCdcStreamState::TConfigurePartsAtTable"
+            << " operationId: " << OperationId;
+    }
+
+    static bool IsExpectedTxType(TTxState::ETxType txType) {
+        switch (txType) {
+        case TTxState::TxCreateCdcStreamAtTable:
+        case TTxState::TxAlterCdcStreamAtTable:
+        case TTxState::TxDropCdcStreamAtTable:
+            return true;
+        default:
+            return false;
+        }
+    }
+
+protected:
+    virtual void FillNotice(const TPathId& pathId, NKikimrTxDataShard::TFlatSchemeTransaction& tx, TOperationContext& context) const = 0;
+
+public:
+    explicit TConfigurePartsAtTable(TOperationId id)
+        : OperationId(id)
+    {
+        IgnoreMessages(DebugHint(), {});
+    }
+
+    bool ProgressState(TOperationContext& context) override {
+        LOG_INFO_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                   DebugHint() << " ProgressState"
+                               << ", at schemeshard: " << context.SS->TabletID());
+
+        auto* txState = context.SS->FindTx(OperationId);
+        Y_VERIFY(txState);
+        Y_VERIFY(IsExpectedTxType(txState->TxType));
+        const auto& pathId = txState->TargetPathId;
+
+        if (NTableState::CheckPartitioningChangedForTableModification(*txState, context)) {
+            NTableState::UpdatePartitioningForTableModification(OperationId, *txState, context);
+        }
+
+        NKikimrTxDataShard::TFlatSchemeTransaction tx;
+        context.SS->FillSeqNo(tx, context.SS->StartRound(*txState));
+        FillNotice(pathId, tx, context);
+
+        TString txBody;
         Y_PROTOBUF_SUPPRESS_NODISCARD tx.SerializeToString(&txBody);
- 
-        txState->ClearShardsInProgress(); 
-        Y_VERIFY(txState->Shards.size()); 
- 
-        for (ui32 i = 0; i < txState->Shards.size(); ++i) { 
-            const auto& idx = txState->Shards[i].Idx; 
-            const auto datashardId = context.SS->ShardInfos[idx].TabletID; 
- 
-            auto ev = MakeHolder<TEvDataShard::TEvProposeTransaction>( 
-                NKikimrTxDataShard::TX_KIND_SCHEME, context.SS->TabletID(), context.Ctx.SelfID, 
-                ui64(OperationId.GetTxId()), txBody, 
-                context.SS->SelectProcessingPrarams(pathId) 
-            ); 
- 
-            context.OnComplete.BindMsgToPipe(OperationId, datashardId, idx, ev.Release()); 
-        } 
- 
-        txState->UpdateShardsInProgress(TTxState::ConfigureParts); 
-        return false; 
-    } 
- 
-    bool HandleReply(TEvDataShard::TEvProposeTransactionResult::TPtr& ev, TOperationContext& context) override { 
-        LOG_INFO_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                   DebugHint() << " HandleReply " << ev->Get()->ToString() 
-                               << ", at schemeshard: " << context.SS->TabletID()); 
- 
-        if (!NTableState::CollectProposeTransactionResults(OperationId, ev, context)) { 
-            return false; 
-        } 
- 
-        return true; 
-    } 
- 
-private: 
-    const TOperationId OperationId; 
- 
-}; // TConfigurePartsAtTable 
- 
-class TProposeAtTable: public TSubOperationState { 
+
+        txState->ClearShardsInProgress();
+        Y_VERIFY(txState->Shards.size());
+
+        for (ui32 i = 0; i < txState->Shards.size(); ++i) {
+            const auto& idx = txState->Shards[i].Idx;
+            const auto datashardId = context.SS->ShardInfos[idx].TabletID;
+
+            auto ev = MakeHolder<TEvDataShard::TEvProposeTransaction>(
+                NKikimrTxDataShard::TX_KIND_SCHEME, context.SS->TabletID(), context.Ctx.SelfID,
+                ui64(OperationId.GetTxId()), txBody,
+                context.SS->SelectProcessingPrarams(pathId)
+            );
+
+            context.OnComplete.BindMsgToPipe(OperationId, datashardId, idx, ev.Release());
+        }
+
+        txState->UpdateShardsInProgress(TTxState::ConfigureParts);
+        return false;
+    }
+
+    bool HandleReply(TEvDataShard::TEvProposeTransactionResult::TPtr& ev, TOperationContext& context) override {
+        LOG_INFO_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                   DebugHint() << " HandleReply " << ev->Get()->ToString()
+                               << ", at schemeshard: " << context.SS->TabletID());
+
+        if (!NTableState::CollectProposeTransactionResults(OperationId, ev, context)) {
+            return false;
+        }
+
+        return true;
+    }
+
+private:
+    const TOperationId OperationId;
+
+}; // TConfigurePartsAtTable
+
+class TProposeAtTable: public TSubOperationState {
     TString DebugHint() const override {
-        return TStringBuilder() 
-            << "NCdcStreamState::TProposeAtTable" 
-            << " operationId: " << OperationId; 
-    } 
- 
-    static bool IsExpectedTxType(TTxState::ETxType txType) { 
-        switch (txType) { 
-        case TTxState::TxCreateCdcStreamAtTable: 
-        case TTxState::TxAlterCdcStreamAtTable: 
-        case TTxState::TxDropCdcStreamAtTable: 
-            return true; 
-        default: 
-            return false; 
-        } 
-    } 
- 
-public: 
-    explicit TProposeAtTable(TOperationId id) 
-        : OperationId(id) 
-    { 
-        IgnoreMessages(DebugHint(), {TEvDataShard::TEvProposeTransactionResult::EventType}); 
-    } 
- 
-    bool ProgressState(TOperationContext& context) override { 
-        LOG_INFO_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                   DebugHint() << " ProgressState" 
-                               << ", at schemeshard: " << context.SS->TabletID()); 
- 
-        const auto* txState = context.SS->FindTx(OperationId); 
-        Y_VERIFY(txState); 
-        Y_VERIFY(IsExpectedTxType(txState->TxType)); 
- 
-        TSet<TTabletId> shardSet; 
-        for (const auto& shard : txState->Shards) { 
-            Y_VERIFY(context.SS->ShardInfos.contains(shard.Idx)); 
-            shardSet.insert(context.SS->ShardInfos.at(shard.Idx).TabletID); 
-        } 
- 
-        context.OnComplete.ProposeToCoordinator(OperationId, txState->TargetPathId, txState->MinStep, shardSet); 
-        return false; 
-    } 
- 
-    bool HandleReply(TEvPrivate::TEvOperationPlan::TPtr& ev, TOperationContext& context) override { 
-        LOG_INFO_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                   DebugHint() << " HandleReply TEvOperationPlan" 
-                               << ", step: " << ev->Get()->StepId 
-                               << ", at schemeshard: " << context.SS->TabletID()); 
- 
-        const auto* txState = context.SS->FindTx(OperationId); 
-        Y_VERIFY(txState); 
-        Y_VERIFY(IsExpectedTxType(txState->TxType)); 
-        const auto& pathId = txState->TargetPathId; 
- 
-        Y_VERIFY(context.SS->PathsById.contains(pathId)); 
-        auto path = context.SS->PathsById.at(pathId); 
- 
-        Y_VERIFY(context.SS->Tables.contains(pathId)); 
-        auto table = context.SS->Tables.at(pathId); 
- 
-        table->AlterVersion += 1; 
- 
-        NIceDb::TNiceDb db(context.Txc.DB); 
-        context.SS->PersistTableAlterVersion(db, pathId, table); 
- 
-        context.SS->ClearDescribePathCaches(path); 
-        context.OnComplete.PublishToSchemeBoard(OperationId, pathId); 
- 
-        context.SS->ChangeTxState(db, OperationId, TTxState::ProposedWaitParts); 
-        return true; 
-    } 
- 
-    bool HandleReply(TEvDataShard::TEvSchemaChanged::TPtr& ev, TOperationContext& context) override { 
-        LOG_INFO_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                   DebugHint() << " TEvDataShard::TEvSchemaChanged" 
-                               << " triggers early, save it" 
-                               << ", at schemeshard: " << context.SS->TabletID()); 
- 
-        NTableState::CollectSchemaChanged(OperationId, ev, context); 
-        return false; 
-    } 
- 
-private: 
-    const TOperationId OperationId; 
- 
-}; // TProposeAtTable 
- 
-} // NCdcStreamState 
- 
+        return TStringBuilder()
+            << "NCdcStreamState::TProposeAtTable"
+            << " operationId: " << OperationId;
+    }
+
+    static bool IsExpectedTxType(TTxState::ETxType txType) {
+        switch (txType) {
+        case TTxState::TxCreateCdcStreamAtTable:
+        case TTxState::TxAlterCdcStreamAtTable:
+        case TTxState::TxDropCdcStreamAtTable:
+            return true;
+        default:
+            return false;
+        }
+    }
+
+public:
+    explicit TProposeAtTable(TOperationId id)
+        : OperationId(id)
+    {
+        IgnoreMessages(DebugHint(), {TEvDataShard::TEvProposeTransactionResult::EventType});
+    }
+
+    bool ProgressState(TOperationContext& context) override {
+        LOG_INFO_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                   DebugHint() << " ProgressState"
+                               << ", at schemeshard: " << context.SS->TabletID());
+
+        const auto* txState = context.SS->FindTx(OperationId);
+        Y_VERIFY(txState);
+        Y_VERIFY(IsExpectedTxType(txState->TxType));
+
+        TSet<TTabletId> shardSet;
+        for (const auto& shard : txState->Shards) {
+            Y_VERIFY(context.SS->ShardInfos.contains(shard.Idx));
+            shardSet.insert(context.SS->ShardInfos.at(shard.Idx).TabletID);
+        }
+
+        context.OnComplete.ProposeToCoordinator(OperationId, txState->TargetPathId, txState->MinStep, shardSet);
+        return false;
+    }
+
+    bool HandleReply(TEvPrivate::TEvOperationPlan::TPtr& ev, TOperationContext& context) override {
+        LOG_INFO_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                   DebugHint() << " HandleReply TEvOperationPlan"
+                               << ", step: " << ev->Get()->StepId
+                               << ", at schemeshard: " << context.SS->TabletID());
+
+        const auto* txState = context.SS->FindTx(OperationId);
+        Y_VERIFY(txState);
+        Y_VERIFY(IsExpectedTxType(txState->TxType));
+        const auto& pathId = txState->TargetPathId;
+
+        Y_VERIFY(context.SS->PathsById.contains(pathId));
+        auto path = context.SS->PathsById.at(pathId);
+
+        Y_VERIFY(context.SS->Tables.contains(pathId));
+        auto table = context.SS->Tables.at(pathId);
+
+        table->AlterVersion += 1;
+
+        NIceDb::TNiceDb db(context.Txc.DB);
+        context.SS->PersistTableAlterVersion(db, pathId, table);
+
+        context.SS->ClearDescribePathCaches(path);
+        context.OnComplete.PublishToSchemeBoard(OperationId, pathId);
+
+        context.SS->ChangeTxState(db, OperationId, TTxState::ProposedWaitParts);
+        return true;
+    }
+
+    bool HandleReply(TEvDataShard::TEvSchemaChanged::TPtr& ev, TOperationContext& context) override {
+        LOG_INFO_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                   DebugHint() << " TEvDataShard::TEvSchemaChanged"
+                               << " triggers early, save it"
+                               << ", at schemeshard: " << context.SS->TabletID());
+
+        NTableState::CollectSchemaChanged(OperationId, ev, context);
+        return false;
+    }
+
+private:
+    const TOperationId OperationId;
+
+}; // TProposeAtTable
+
+} // NCdcStreamState
+
 namespace NForceDrop {
 void ValidateNoTrasactionOnPathes(TOperationId operationId, const THashSet<TPathId>& pathes, TOperationContext& context);
 
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_consistent_copy_tables.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_consistent_copy_tables.cpp
index 8ad7fca2f6..4cc467dedc 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_consistent_copy_tables.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_consistent_copy_tables.cpp
@@ -15,10 +15,10 @@ NKikimrSchemeOp::TModifyScheme CopyTableTask(NKikimr::NSchemeShard::TPath& src,
     scheme.SetFailOnExist(true);
 
     auto operation = scheme.MutableCreateTable();
-    operation->SetName(dst.LeafName()); 
-    operation->SetCopyFromTable(src.PathString()); 
+    operation->SetName(dst.LeafName());
+    operation->SetCopyFromTable(src.PathString());
     operation->SetOmitFollowers(omitFollowers);
-    operation->SetIsBackup(isBackup); 
+    operation->SetIsBackup(isBackup);
 
     return scheme;
 }
@@ -49,17 +49,17 @@ NKikimrSchemeOp::TModifyScheme CreateIndexTask(NKikimr::NSchemeShard::TTableInde
 namespace NKikimr {
 namespace NSchemeShard {
 
-TVector<ISubOperationBase::TPtr> CreateConsistentCopyTables(TOperationId nextId, const TTxTransaction& tx, TOperationContext& context) { 
+TVector<ISubOperationBase::TPtr> CreateConsistentCopyTables(TOperationId nextId, const TTxTransaction& tx, TOperationContext& context) {
     Y_VERIFY(tx.GetOperationType() == NKikimrSchemeOp::EOperationType::ESchemeOpCreateConsistentCopyTables);
 
-    auto consistentCopying = tx.GetCreateConsistentCopyTables(); 
+    auto consistentCopying = tx.GetCreateConsistentCopyTables();
 
     if (0 == consistentCopying.CopyTableDescriptionsSize()) {
         TString msg = TStringBuilder() << "no task to do, empty list CopyTableDescriptions";
         return {CreateReject(nextId, NKikimrScheme::EStatus::StatusInvalidParameter, msg)};
     }
 
-    TPath firstPath = TPath::Resolve(consistentCopying.GetCopyTableDescriptions(0).GetSrcPath(), context.SS); 
+    TPath firstPath = TPath::Resolve(consistentCopying.GetCopyTableDescriptions(0).GetSrcPath(), context.SS);
     {
         auto checks = TPath::TChecker(firstPath);
         checks
@@ -92,7 +92,7 @@ TVector<ISubOperationBase::TPtr> CreateConsistentCopyTables(TOperationId nextId,
 
     TVector<ISubOperationBase::TPtr> result;
 
-    for (auto& descr: consistentCopying.GetCopyTableDescriptions()) { 
+    for (auto& descr: consistentCopying.GetCopyTableDescriptions()) {
         auto& srcStr = descr.GetSrcPath();
         auto& dstStr = descr.GetDstPath();
 
@@ -124,33 +124,33 @@ TVector<ISubOperationBase::TPtr> CreateConsistentCopyTables(TOperationId nextId,
             continue;
         }
 
-        for (const auto& child: srcPath.Base()->GetChildren()) { 
-            const auto& name = child.first; 
-            const auto& pathId = child.second; 
+        for (const auto& child: srcPath.Base()->GetChildren()) {
+            const auto& name = child.first;
+            const auto& pathId = child.second;
 
             TPath srcIndexPath = srcPath.Child(name);
             TPath dstIndexPath = dstPath.Child(name);
- 
+
             if (srcIndexPath.IsDeleted()) {
                 continue;
             }
 
-            if (!srcIndexPath.IsTableIndex()) { 
-                continue; 
-            } 
- 
-            Y_VERIFY(srcIndexPath.Base()->PathId == pathId); 
+            if (!srcIndexPath.IsTableIndex()) {
+                continue;
+            }
+
+            Y_VERIFY(srcIndexPath.Base()->PathId == pathId);
             Y_VERIFY_S(srcIndexPath.Base()->GetChildren().size() == 1, srcIndexPath.PathString() << " has children " << srcIndexPath.Base()->GetChildren().size() << " but 1 exected");
 
             TTableIndexInfo::TPtr indexInfo = context.SS->Indexes.at(pathId);
-            result.push_back(CreateNewTableIndex(NextPartId(nextId, result), CreateIndexTask(indexInfo, dstIndexPath))); 
+            result.push_back(CreateNewTableIndex(NextPartId(nextId, result), CreateIndexTask(indexInfo, dstIndexPath)));
 
             TString srcImplTableName = srcIndexPath.Base()->GetChildren().begin()->first;
             TPath srcImplTable = srcIndexPath.Child(srcImplTableName);
-            Y_VERIFY(srcImplTable.Base()->PathId == srcIndexPath.Base()->GetChildren().begin()->second); 
+            Y_VERIFY(srcImplTable.Base()->PathId == srcIndexPath.Base()->GetChildren().begin()->second);
             TPath dstImplTable = dstIndexPath.Child(srcImplTableName);
 
-            result.push_back(CreateCopyTable(NextPartId(nextId, result), 
+            result.push_back(CreateCopyTable(NextPartId(nextId, result),
                 CopyTableTask(srcImplTable, dstImplTable, descr.GetOmitFollowers(), descr.GetIsBackup())));
         }
     }
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_copy_table.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_copy_table.cpp
index cdaad34303..f504c34ef5 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_copy_table.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_copy_table.cpp
@@ -200,8 +200,8 @@ public:
         context.OnComplete.PublishToSchemeBoard(OperationId, parentDir->PathId);
 
         context.SS->ClearDescribePathCaches(path);
-        context.OnComplete.PublishToSchemeBoard(OperationId, pathId); 
- 
+        context.OnComplete.PublishToSchemeBoard(OperationId, pathId);
+
         context.SS->ChangeTxState(db, OperationId, TTxState::ProposedWaitParts);
         return true;
     }
@@ -231,7 +231,7 @@ public:
 
 class TCopyTable: public TSubOperation {
     const TOperationId OperationId;
-    const TTxTransaction Transaction; 
+    const TTxTransaction Transaction;
     TTxState::ETxState State = TTxState::Invalid;
 
     TTxState::ETxState NextState() {
@@ -283,11 +283,11 @@ class TCopyTable: public TSubOperation {
     }
 
 public:
-    TCopyTable(TOperationId id, const TTxTransaction& tx) 
+    TCopyTable(TOperationId id, const TTxTransaction& tx)
         : OperationId(id)
-        , Transaction(tx) 
-    { 
-    } 
+        , Transaction(tx)
+    {
+    }
 
     TCopyTable(TOperationId id, TTxState::ETxState state)
         : OperationId(id)
@@ -305,7 +305,7 @@ public:
         const TTabletId ssId = context.SS->SelfTabletId();
 
         const TString& parentPath = Transaction.GetWorkingDir();
-        const TString& name = Transaction.GetCreateTable().GetName(); 
+        const TString& name = Transaction.GetCreateTable().GetName();
         const auto acceptExisted = !Transaction.GetFailOnExist();
 
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
@@ -319,8 +319,8 @@ public:
         TPath parent = TPath::Resolve(parentPath, context.SS);
         {
             TPath::TChecker checks = parent.Check();
-            checks 
-                .NotEmpty() 
+            checks
+                .NotEmpty()
                 .NotUnderDomainUpgrade()
                 .IsAtLocalSchemeShard()
                 .IsResolved()
@@ -329,13 +329,13 @@ public:
 
             if (checks) {
                 if (parent.Base()->IsTableIndex()) {
-                    checks 
-                        .IsInsideTableIndexPath() 
+                    checks
+                        .IsInsideTableIndexPath()
                         .IsUnderCreating(NKikimrScheme::StatusNameConflict)
                         .IsUnderTheSameOperation(OperationId.GetTxId()); //allow only as part of copying base table
                 } else {
-                    checks 
-                        .NotUnderOperation() 
+                    checks
+                        .NotUnderOperation()
                         .IsCommonSensePath()
                         .IsLikeDirectory();
                 }
@@ -350,11 +350,11 @@ public:
             }
         }
 
-        TPath srcPath = TPath::Resolve(Transaction.GetCreateTable().GetCopyFromTable(), context.SS); 
+        TPath srcPath = TPath::Resolve(Transaction.GetCreateTable().GetCopyFromTable(), context.SS);
         {
             TPath::TChecker checks = srcPath.Check();
-            checks 
-                .NotEmpty() 
+            checks
+                .NotEmpty()
                 .IsResolved()
                 .NotDeleted()
                 .NotUnderDeleting()
@@ -364,8 +364,8 @@ public:
 
             if (checks) {
                 if (parent.Base()->IsTableIndex()) {
-                    checks 
-                        .IsInsideTableIndexPath() //copy imp index table as index index table, not a separate one 
+                    checks
+                        .IsInsideTableIndexPath() //copy imp index table as index index table, not a separate one
                         .NotChildren(); //imp table doesnt have indexes
                 } else {
                     checks.IsCommonSensePath();
@@ -382,19 +382,19 @@ public:
         }
 
         const ui32 maxShardsToCreate = srcPath.Shards();
-        const TString acl = Transaction.GetModifyACL().GetDiffACL(); 
- 
+        const TString acl = Transaction.GetModifyACL().GetDiffACL();
+
         TPath dstPath = parent.Child(name);
         {
             TPath::TChecker checks = dstPath.Check();
             if (dstPath.IsResolved()) {
-                checks 
-                    .IsResolved() 
+                checks
+                    .IsResolved()
                     .NotUnderDeleting()
                     .FailOnExist(TPathElement::EPathType::EPathTypeTable, acceptExisted);
             } else {
-                checks 
-                    .NotEmpty() 
+                checks
+                    .NotEmpty()
                     .NotResolved();
             }
 
@@ -409,8 +409,8 @@ public:
                     .PathsLimit()
                     .DirChildrenLimit()
                     .ShardsLimit(maxShardsToCreate)
-                    .PathShardsLimit(maxShardsToCreate) 
-                    .IsValidACL(acl); 
+                    .PathShardsLimit(maxShardsToCreate)
+                    .IsValidACL(acl);
             }
 
             if (!checks) {
@@ -422,20 +422,20 @@ public:
             }
         }
 
-        auto domainInfo = parent.DomainInfo(); 
-        bool transactionSupport = domainInfo->IsSupportTransactions(); 
-        if (domainInfo->GetAlter()) { 
-            TPathId domainId = parent.DomainId(); 
-            Y_VERIFY(context.SS->PathsById.contains(domainId)); 
-            TPathElement::TPtr domain = context.SS->PathsById.at(domainId); 
-            Y_VERIFY(domain->PlannedToCreate() || domain->HasActiveChanges()); 
+        auto domainInfo = parent.DomainInfo();
+        bool transactionSupport = domainInfo->IsSupportTransactions();
+        if (domainInfo->GetAlter()) {
+            TPathId domainId = parent.DomainId();
+            Y_VERIFY(context.SS->PathsById.contains(domainId));
+            TPathElement::TPtr domain = context.SS->PathsById.at(domainId);
+            Y_VERIFY(domain->PlannedToCreate() || domain->HasActiveChanges());
 
-            transactionSupport |= domainInfo->GetAlter()->IsSupportTransactions(); 
+            transactionSupport |= domainInfo->GetAlter()->IsSupportTransactions();
         }
-        if (!transactionSupport) { 
+        if (!transactionSupport) {
             result->SetError(NKikimrScheme::StatusNameConflict, "Inclusive subDomian do not support shared transactions");
-            return result; 
-        } 
+            return result;
+        }
 
         TString errStr;
 
@@ -465,14 +465,14 @@ public:
             }
         }
 
-        auto schema = Transaction.GetCreateTable(); 
+        auto schema = Transaction.GetCreateTable();
         const bool omitFollowers = schema.GetOmitFollowers();
-        const bool isBackup = schema.GetIsBackup(); 
+        const bool isBackup = schema.GetIsBackup();
         PrepareScheme(&schema, name, srcTableInfo, context);
         if (omitFollowers) {
             schema.MutablePartitionConfig()->AddFollowerGroups()->Clear();
-        } 
-        schema.SetIsBackup(isBackup); 
+        }
+        schema.SetIsBackup(isBackup);
 
         NKikimrSchemeOp::TPartitionConfig compilationPartitionConfig;
         if (!TPartitionConfigMerger::ApplyChanges(compilationPartitionConfig, srcTableInfo->PartitionConfig(), schema.GetPartitionConfig(), AppData(), errStr)
@@ -483,8 +483,8 @@ public:
         schema.MutablePartitionConfig()->CopyFrom(compilationPartitionConfig);
 
         const NScheme::TTypeRegistry* typeRegistry = AppData()->TypeRegistry;
-        const TSchemeLimits& limits = domainInfo->GetSchemeLimits(); 
-        TTableInfo::TAlterDataPtr alterData = TTableInfo::CreateAlterData(nullptr, schema, *typeRegistry, limits, *domainInfo, errStr); 
+        const TSchemeLimits& limits = domainInfo->GetSchemeLimits();
+        TTableInfo::TAlterDataPtr alterData = TTableInfo::CreateAlterData(nullptr, schema, *typeRegistry, limits, *domainInfo, errStr);
         if (!alterData.Get()) {
             result->SetError(NKikimrScheme::StatusSchemeError, errStr);
             return result;
@@ -541,10 +541,10 @@ public:
         context.DbChanges.PersistTable(allocatedPathId);
         context.DbChanges.PersistTxState(OperationId);
 
-        // copy attrs without any checks 
-        TUserAttributes::TPtr userAttrs = new TUserAttributes(1); 
-        userAttrs->Attrs = srcPath.Base()->UserAttrs->Attrs; 
- 
+        // copy attrs without any checks
+        TUserAttributes::TPtr userAttrs = new TUserAttributes(1);
+        userAttrs->Attrs = srcPath.Base()->UserAttrs->Attrs;
+
         dstPath.MaterializeLeaf(owner, allocatedPathId);
         result->SetPathId(dstPath.Base()->PathId.LocalPathId);
 
@@ -553,7 +553,7 @@ public:
         newTable->LastTxId = OperationId.GetTxId();
         newTable->PathState = TPathElement::EPathState::EPathStateCreate;
         newTable->PathType = TPathElement::EPathType::EPathTypeTable;
-        newTable->UserAttrs->AlterData = userAttrs; 
+        newTable->UserAttrs->AlterData = userAttrs;
 
         srcPath.Base()->PathState = TPathElement::EPathState::EPathStateCopying;
         srcPath.Base()->LastTxId = OperationId.GetTxId();
@@ -623,14 +623,14 @@ public:
                      "TCopyTable AbortPropose"
                          << ", opId: " << OperationId
                          << ", at schemeshard: " << context.SS->TabletID());
-    } 
- 
+    }
+
     void AbortUnsafe(TTxId forceDropTxId, TOperationContext& context) override {
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TCopyTable AbortUnsafe"
                          << ", opId: " << OperationId
                          << ", forceDropId: " << forceDropTxId
-                         << ", at schemeshard: " << context.SS->TabletID()); 
+                         << ", at schemeshard: " << context.SS->TabletID());
 
         TTxState* txState = context.SS->FindTx(OperationId);
         Y_VERIFY(txState);
@@ -652,16 +652,16 @@ public:
 namespace NKikimr {
 namespace NSchemeShard {
 
-ISubOperationBase::TPtr CreateCopyTable(TOperationId id, const TTxTransaction& tx) { 
-    return new TCopyTable(id, tx); 
-} 
- 
+ISubOperationBase::TPtr CreateCopyTable(TOperationId id, const TTxTransaction& tx) {
+    return new TCopyTable(id, tx);
+}
+
 ISubOperationBase::TPtr CreateCopyTable(TOperationId id, TTxState::ETxState state) {
     Y_VERIFY(state != TTxState::Invalid);
     return new TCopyTable(id, state);
 }
 
-TVector<ISubOperationBase::TPtr> CreateCopyTable(TOperationId nextId, const TTxTransaction& tx, TOperationContext& context) { 
+TVector<ISubOperationBase::TPtr> CreateCopyTable(TOperationId nextId, const TTxTransaction& tx, TOperationContext& context) {
     Y_VERIFY(tx.GetOperationType() == NKikimrSchemeOp::EOperationType::ESchemeOpCreateTable);
 
     auto copying = tx.GetCreateTable();
@@ -700,7 +700,7 @@ TVector<ISubOperationBase::TPtr> CreateCopyTable(TOperationId nextId, const TTxT
         operation->SetName(copying.GetName());
         operation->SetCopyFromTable(copying.GetCopyFromTable());
         operation->SetOmitFollowers(copying.GetOmitFollowers());
-        operation->SetIsBackup(copying.GetIsBackup()); 
+        operation->SetIsBackup(copying.GetIsBackup());
         operation->MutablePartitionConfig()->CopyFrom(copying.GetPartitionConfig());
 
         result.push_back(CreateCopyTable(NextPartId(nextId, result), schema));
@@ -710,13 +710,13 @@ TVector<ISubOperationBase::TPtr> CreateCopyTable(TOperationId nextId, const TTxT
         auto name = child.first;
         auto pathId = child.second;
 
-        TPath childPath = srcPath.Child(name); 
-        if (!childPath.IsTableIndex() || childPath.IsDeleted()) { 
+        TPath childPath = srcPath.Child(name);
+        if (!childPath.IsTableIndex() || childPath.IsDeleted()) {
             continue;
         }
 
-        Y_VERIFY(childPath.Base()->PathId == pathId); 
-        Y_VERIFY_S(childPath.Base()->GetChildren().size() == 1, childPath.PathString() << " has children " << childPath.Base()->GetChildren().size()); 
+        Y_VERIFY(childPath.Base()->PathId == pathId);
+        Y_VERIFY_S(childPath.Base()->GetChildren().size() == 1, childPath.PathString() << " has children " << childPath.Base()->GetChildren().size());
 
         TTableIndexInfo::TPtr indexInfo = context.SS->Indexes.at(pathId);
         {
@@ -732,13 +732,13 @@ TVector<ISubOperationBase::TPtr> CreateCopyTable(TOperationId nextId, const TTxT
             for (const auto& dataColumn: indexInfo->IndexDataColumns) {
                 *operation->MutableDataColumnNames()->Add() = dataColumn;
             }
- 
+
             result.push_back(CreateNewTableIndex(NextPartId(nextId, result), schema));
         }
 
-        TString implTableName = childPath.Base()->GetChildren().begin()->first; 
-        TPath implTable = childPath.Child(implTableName); 
-        Y_VERIFY(implTable.Base()->PathId == childPath.Base()->GetChildren().begin()->second); 
+        TString implTableName = childPath.Base()->GetChildren().begin()->first;
+        TPath implTable = childPath.Child(implTableName);
+        Y_VERIFY(implTable.Base()->PathId == childPath.Base()->GetChildren().begin()->second);
 
         {
             NKikimrSchemeOp::TModifyScheme schema;
@@ -750,7 +750,7 @@ TVector<ISubOperationBase::TPtr> CreateCopyTable(TOperationId nextId, const TTxT
             operation->SetName(implTableName);
             operation->SetCopyFromTable(implTable.PathString());
             operation->SetOmitFollowers(copying.GetOmitFollowers());
-            operation->SetIsBackup(copying.GetIsBackup()); 
+            operation->SetIsBackup(copying.GetIsBackup());
 
             result.push_back(CreateCopyTable(NextPartId(nextId, result), schema));
         }
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_create_backup.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_create_backup.cpp
index 998d18a8cc..4c0c967af0 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_create_backup.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_create_backup.cpp
@@ -1,119 +1,119 @@
-#include "schemeshard__operation_backup_restore_common.h" 
-#include "schemeshard_billing_helpers.h" 
+#include "schemeshard__operation_backup_restore_common.h"
+#include "schemeshard_billing_helpers.h"
 
-namespace NKikimr { 
+namespace NKikimr {
 namespace NSchemeShard {
 
-struct TBackup { 
-    static constexpr TStringBuf Name() { 
-        return "TBackup"; 
+struct TBackup {
+    static constexpr TStringBuf Name() {
+        return "TBackup";
     }
 
-    static bool HasTask(const TTxTransaction& tx) { 
-        return tx.HasBackup(); 
+    static bool HasTask(const TTxTransaction& tx) {
+        return tx.HasBackup();
     }
 
-    static TString GetTableName(const TTxTransaction& tx) { 
-        return tx.GetBackup().GetTableName(); 
+    static TString GetTableName(const TTxTransaction& tx) {
+        return tx.GetBackup().GetTableName();
     }
 
-    static void ProposeTx(const TOperationId& opId, TTxState& txState, TOperationContext& context) { 
-        auto seqNo = context.SS->StartRound(txState); 
-        const auto& processingParams = context.SS->SelectProcessingPrarams(txState.TargetPathId); 
+    static void ProposeTx(const TOperationId& opId, TTxState& txState, TOperationContext& context) {
+        auto seqNo = context.SS->StartRound(txState);
+        const auto& processingParams = context.SS->SelectProcessingPrarams(txState.TargetPathId);
 
-        Y_VERIFY(context.SS->Tables.contains(txState.TargetPathId)); 
-        TTableInfo::TPtr table = context.SS->Tables.at(txState.TargetPathId); 
+        Y_VERIFY(context.SS->Tables.contains(txState.TargetPathId));
+        TTableInfo::TPtr table = context.SS->Tables.at(txState.TargetPathId);
         NKikimrSchemeOp::TBackupTask backup = table->BackupSettings;
- 
-        for (ui32 i = 0; i < txState.Shards.size(); ++i) { 
-            auto idx = txState.Shards[i].Idx; 
+
+        for (ui32 i = 0; i < txState.Shards.size(); ++i) {
+            auto idx = txState.Shards[i].Idx;
             auto datashardId = context.SS->ShardInfos[idx].TabletID;
 
             LOG_DEBUG_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                         "Propose backup"
                             << " to datashard " << datashardId
-                            << " txid " <<  opId 
-                            << " at schemeshard " << context.SS->SelfTabletId()); 
+                            << " txid " <<  opId
+                            << " at schemeshard " << context.SS->SelfTabletId());
 
-            TString txBody = context.SS->FillBackupTxBody(txState.TargetPathId, backup, i, seqNo); 
+            TString txBody = context.SS->FillBackupTxBody(txState.TargetPathId, backup, i, seqNo);
             THolder<TEvDataShard::TEvProposeTransaction> event =
                 THolder(new TEvDataShard::TEvProposeTransaction(NKikimrTxDataShard::TX_KIND_SCHEME,
                                                         context.SS->TabletID(),
                                                         context.Ctx.SelfID,
-                                                        ui64(opId.GetTxId()), 
+                                                        ui64(opId.GetTxId()),
                                                         txBody,
                                                         processingParams));
 
-            context.OnComplete.BindMsgToPipe(opId, datashardId, idx, event.Release()); 
- 
-            backup.ClearTable(); 
+            context.OnComplete.BindMsgToPipe(opId, datashardId, idx, event.Release());
+
+            backup.ClearTable();
         }
     }
 
-    static ui64 RequestUnits(ui64 bytes, ui64 rows) { 
-        Y_UNUSED(rows); 
-        return TRUCalculator::ReadTable(bytes); 
-    } 
- 
-    static void FinishStats(const TOperationId& opId, TTxState& txState, TOperationContext& context) { 
-        if (txState.TxType != TTxState::TxBackup) { 
+    static ui64 RequestUnits(ui64 bytes, ui64 rows) {
+        Y_UNUSED(rows);
+        return TRUCalculator::ReadTable(bytes);
+    }
+
+    static void FinishStats(const TOperationId& opId, TTxState& txState, TOperationContext& context) {
+        if (txState.TxType != TTxState::TxBackup) {
             return;
         }
 
-        Y_VERIFY(TAppData::TimeProvider.Get() != nullptr); 
-        const ui64 ts = TAppData::TimeProvider->Now().Seconds(); 
+        Y_VERIFY(TAppData::TimeProvider.Get() != nullptr);
+        const ui64 ts = TAppData::TimeProvider->Now().Seconds();
 
-        Y_VERIFY(context.SS->Tables.contains(txState.TargetPathId)); 
-        TTableInfo::TPtr table = context.SS->Tables[txState.TargetPathId]; 
+        Y_VERIFY(context.SS->Tables.contains(txState.TargetPathId));
+        TTableInfo::TPtr table = context.SS->Tables[txState.TargetPathId];
 
-        auto& backupInfo = table->BackupHistory[opId.GetTxId()]; 
+        auto& backupInfo = table->BackupHistory[opId.GetTxId()];
 
-        backupInfo.StartDateTime = txState.StartTime.Seconds(); 
-        backupInfo.CompletionDateTime = ts; 
-        backupInfo.TotalShardCount = table->GetPartitions().size(); 
-        backupInfo.SuccessShardCount = CountIf(txState.ShardStatuses, [](const auto& kv) { 
-            return kv.second.Success; 
-        }); 
-        backupInfo.ShardStatuses = std::move(txState.ShardStatuses); 
-        backupInfo.DataTotalSize = txState.DataTotalSize; 
+        backupInfo.StartDateTime = txState.StartTime.Seconds();
+        backupInfo.CompletionDateTime = ts;
+        backupInfo.TotalShardCount = table->GetPartitions().size();
+        backupInfo.SuccessShardCount = CountIf(txState.ShardStatuses, [](const auto& kv) {
+            return kv.second.Success;
+        });
+        backupInfo.ShardStatuses = std::move(txState.ShardStatuses);
+        backupInfo.DataTotalSize = txState.DataTotalSize;
 
         NIceDb::TNiceDb db(context.Txc.DB);
-        context.SS->PersistCompletedBackup(db, opId.GetTxId(), txState, backupInfo); 
+        context.SS->PersistCompletedBackup(db, opId.GetTxId(), txState, backupInfo);
     }
 
-    static void PersistTask(const TPathId& pathId, const TTxTransaction& tx, TOperationContext& context) { 
-        Y_VERIFY(context.SS->Tables.contains(pathId)); 
-        TTableInfo::TPtr table = context.SS->Tables.at(pathId); 
+    static void PersistTask(const TPathId& pathId, const TTxTransaction& tx, TOperationContext& context) {
+        Y_VERIFY(context.SS->Tables.contains(pathId));
+        TTableInfo::TPtr table = context.SS->Tables.at(pathId);
 
-        table->BackupSettings = tx.GetBackup(); 
+        table->BackupSettings = tx.GetBackup();
 
         NIceDb::TNiceDb db(context.Txc.DB);
-        context.SS->PersistBackupSettings(db, pathId, table->BackupSettings); 
+        context.SS->PersistBackupSettings(db, pathId, table->BackupSettings);
     }
 
-    static void PersistDone(const TPathId& pathId, TOperationContext& context) { 
+    static void PersistDone(const TPathId& pathId, TOperationContext& context) {
         NIceDb::TNiceDb db(context.Txc.DB);
         context.SS->PersistBackupDone(db, pathId);
     }
- 
-    static bool NeedToBill(const TPathId& pathId, TOperationContext& context) { 
-        Y_VERIFY(context.SS->Tables.contains(pathId)); 
-        auto table = context.SS->Tables.at(pathId); 
-        return table->BackupSettings.GetNeedToBill(); 
-    } 
+
+    static bool NeedToBill(const TPathId& pathId, TOperationContext& context) {
+        Y_VERIFY(context.SS->Tables.contains(pathId));
+        auto table = context.SS->Tables.at(pathId);
+        return table->BackupSettings.GetNeedToBill();
+    }
 };
 
-ISubOperationBase::TPtr CreateBackup(TOperationId id, const TTxTransaction& tx) { 
-    return new TBackupRestoreOperationBase<TBackup, TEvDataShard::TEvCancelBackup>( 
-        TTxState::TxBackup, TPathElement::EPathState::EPathStateBackup, id, tx 
-    ); 
-} 
- 
-ISubOperationBase::TPtr CreateBackup(TOperationId id, TTxState::ETxState state) { 
-    Y_VERIFY(state != TTxState::Invalid); 
-    return new TBackupRestoreOperationBase<TBackup, TEvDataShard::TEvCancelBackup>( 
-        TTxState::TxBackup, TPathElement::EPathState::EPathStateBackup, id, state 
-    ); 
+ISubOperationBase::TPtr CreateBackup(TOperationId id, const TTxTransaction& tx) {
+    return new TBackupRestoreOperationBase<TBackup, TEvDataShard::TEvCancelBackup>(
+        TTxState::TxBackup, TPathElement::EPathState::EPathStateBackup, id, tx
+    );
+}
+
+ISubOperationBase::TPtr CreateBackup(TOperationId id, TTxState::ETxState state) {
+    Y_VERIFY(state != TTxState::Invalid);
+    return new TBackupRestoreOperationBase<TBackup, TEvDataShard::TEvCancelBackup>(
+        TTxState::TxBackup, TPathElement::EPathState::EPathStateBackup, id, state
+    );
 }
 
 }
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_create_bsv.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_create_bsv.cpp
index d8883117a7..b32fb7d969 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_create_bsv.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_create_bsv.cpp
@@ -146,8 +146,8 @@ TTxState& PrepareChanges(TOperationId operationId, TPathElement::TPtr parentDir,
 
 
 class TCreateBlockStoreVolume: public TSubOperation {
-    const TOperationId OperationId; 
-    const TTxTransaction Transaction; 
+    const TOperationId OperationId;
+    const TTxTransaction Transaction;
     TTxState::ETxState State = TTxState::Invalid;
 
     TTxState::ETxState NextState() {
@@ -161,8 +161,8 @@ class TCreateBlockStoreVolume: public TSubOperation {
             return TTxState::ConfigureParts;
         case TTxState::ConfigureParts:
             return TTxState::Propose;
-        case TTxState::Propose: 
-            return TTxState::Done; 
+        case TTxState::Propose:
+            return TTxState::Done;
         default:
             return TTxState::Invalid;
         }
@@ -178,7 +178,7 @@ class TCreateBlockStoreVolume: public TSubOperation {
             return MakeHolder<NBSVState::TConfigureParts>(OperationId);
         case TTxState::Propose:
             return MakeHolder<NBSVState::TPropose>(OperationId);
-        case TTxState::Done: 
+        case TTxState::Done:
             return MakeHolder<TDone>(OperationId);
         default:
             return nullptr;
@@ -195,11 +195,11 @@ class TCreateBlockStoreVolume: public TSubOperation {
     }
 
 public:
-    TCreateBlockStoreVolume(TOperationId id, const TTxTransaction& tx) 
+    TCreateBlockStoreVolume(TOperationId id, const TTxTransaction& tx)
         : OperationId(id)
-        , Transaction(tx) 
-    { 
-    } 
+        , Transaction(tx)
+    {
+    }
 
     TCreateBlockStoreVolume(TOperationId id, TTxState::ETxState state)
         : OperationId(id)
@@ -211,11 +211,11 @@ public:
     THolder<TProposeResponse> Propose(const TString& owner, TOperationContext& context) override {
         const TTabletId ssId = context.SS->SelfTabletId();
 
-        const auto& operation = Transaction.GetCreateBlockStoreVolume(); 
+        const auto& operation = Transaction.GetCreateBlockStoreVolume();
         const auto acceptExisted = !Transaction.GetFailOnExist();
 
-        const TString& parentPathStr = Transaction.GetWorkingDir(); 
-        const TString& name = Transaction.GetCreateBlockStoreVolume().GetName(); 
+        const TString& parentPathStr = Transaction.GetWorkingDir();
+        const TString& name = Transaction.GetCreateBlockStoreVolume().GetName();
         const auto defaultPartitionCount =
             TBlockStoreVolumeInfo::CalculateDefaultPartitionCount(
                 operation.GetVolumeConfig());
@@ -223,7 +223,7 @@ public:
 
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TCreateBlockStoreVolume Propose"
-                         << ", path: " << parentPathStr << "/" << name 
+                         << ", path: " << parentPathStr << "/" << name
                          << ", opId: " << OperationId
                          << ", at schemeshard: " << ssId);
 
@@ -251,20 +251,20 @@ public:
             }
         }
 
-        const TString acl = Transaction.GetModifyACL().GetDiffACL(); 
- 
+        const TString acl = Transaction.GetModifyACL().GetDiffACL();
+
         NSchemeShard::TPath dstPath = parentPath.Child(name);
         {
             NSchemeShard::TPath::TChecker checks = dstPath.Check();
             checks.IsAtLocalSchemeShard();
             if (dstPath.IsResolved()) {
-                checks 
-                    .IsResolved() 
+                checks
+                    .IsResolved()
                     .NotUnderDeleting()
                     .FailOnExist(TPathElement::EPathType::EPathTypeBlockStoreVolume, acceptExisted);
             } else {
-                checks 
-                    .NotEmpty() 
+                checks
+                    .NotEmpty()
                     .NotResolved();
             }
 
@@ -275,8 +275,8 @@ public:
                     .PathsLimit()
                     .DirChildrenLimit()
                     .ShardsLimit(shardsToCreate)
-                    .PathShardsLimit(shardsToCreate) 
-                    .IsValidACL(acl); 
+                    .PathShardsLimit(shardsToCreate)
+                    .IsValidACL(acl);
             }
 
             if (!checks) {
@@ -292,9 +292,9 @@ public:
             }
         }
 
-        TString errStr; 
- 
-        if (!context.SS->CheckApplyIf(Transaction, errStr)) { 
+        TString errStr;
+
+        if (!context.SS->CheckApplyIf(Transaction, errStr)) {
             result->SetError(NKikimrScheme::StatusPreconditionFailed, errStr);
             return result;
         }
@@ -401,16 +401,16 @@ public:
         return result;
     }
 
-    void AbortPropose(TOperationContext&) override { 
-        Y_FAIL("no AbortPropose for TCreateBlockStoreVolume"); 
-    } 
- 
+    void AbortPropose(TOperationContext&) override {
+        Y_FAIL("no AbortPropose for TCreateBlockStoreVolume");
+    }
+
     void AbortUnsafe(TTxId forceDropTxId, TOperationContext& context) override {
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TCreateBlockStoreVolume AbortUnsafe"
                          << ", opId: " << OperationId
                          << ", forceDropId: " << forceDropTxId
-                         << ", at schemeshard: " << context.SS->TabletID()); 
+                         << ", at schemeshard: " << context.SS->TabletID());
 
         context.OnComplete.DoneOperation(OperationId);
     }
@@ -421,12 +421,12 @@ public:
 namespace NKikimr {
 namespace NSchemeShard {
 
-ISubOperationBase::TPtr CreateNewBSV(TOperationId id, const TTxTransaction& tx) { 
-    return new TCreateBlockStoreVolume(id, tx); 
-} 
- 
+ISubOperationBase::TPtr CreateNewBSV(TOperationId id, const TTxTransaction& tx) {
+    return new TCreateBlockStoreVolume(id, tx);
+}
+
 ISubOperationBase::TPtr CreateNewBSV(TOperationId id, TTxState::ETxState state) {
-    Y_VERIFY(state != TTxState::Invalid); 
+    Y_VERIFY(state != TTxState::Invalid);
     return new TCreateBlockStoreVolume(id, state);
 }
 
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_create_build_index.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_create_build_index.cpp
index 9a870db85b..2d957165c6 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_create_build_index.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_create_build_index.cpp
@@ -43,7 +43,7 @@ TVector<ISubOperationBase::TPtr> CreateBuildIndex(TOperationId nextId, const TTx
         }
         tableIndexCreation.MutableCreateTableIndex()->SetState(NKikimrSchemeOp::EIndexStateWriteOnly);
 
-        result.push_back(CreateNewTableIndex(NextPartId(nextId, result), tableIndexCreation)); 
+        result.push_back(CreateNewTableIndex(NextPartId(nextId, result), tableIndexCreation));
     }
 
     {
@@ -52,7 +52,7 @@ TVector<ISubOperationBase::TPtr> CreateBuildIndex(TOperationId nextId, const TTx
         auto& shapshot = *initialize.MutableInitiateBuildIndexMainTable();
         shapshot.SetTableName(table.LeafName());
 
-        result.push_back(CreateInitializeBuildIndexMainTable(NextPartId(nextId, result), initialize)); 
+        result.push_back(CreateInitializeBuildIndexMainTable(NextPartId(nextId, result), initialize));
     }
 
     {
@@ -75,7 +75,7 @@ TVector<ISubOperationBase::TPtr> CreateBuildIndex(TOperationId nextId, const TTx
         indexImplTableDescription.MutablePartitionConfig()->MutableCompactionPolicy()->SetKeepEraseMarkers(true);
         indexImplTableDescription.MutablePartitionConfig()->SetShadowData(true);
 
-        result.push_back(CreateInitializeBuildIndexImplTable(NextPartId(nextId, result), indexImplTableCreation)); 
+        result.push_back(CreateInitializeBuildIndexImplTable(NextPartId(nextId, result), indexImplTableCreation));
     }
 
     return result;
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_create_cdc_stream.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_create_cdc_stream.cpp
index 3c0c92c00d..01e4cd9df8 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_create_cdc_stream.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_create_cdc_stream.cpp
@@ -1,678 +1,678 @@
-#include "schemeshard__operation_part.h" 
-#include "schemeshard__operation_common.h" 
-#include "schemeshard_impl.h" 
- 
+#include "schemeshard__operation_part.h"
+#include "schemeshard__operation_common.h"
+#include "schemeshard_impl.h"
+
 #include <ydb/core/engine/mkql_proto.h>
 #include <ydb/core/persqueue/writer/source_id_encoding.h>
- 
-#define LOG_D(stream) LOG_DEBUG_S (context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "[" << context.SS->TabletID() << "] " << stream) 
-#define LOG_I(stream) LOG_INFO_S  (context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "[" << context.SS->TabletID() << "] " << stream) 
-#define LOG_N(stream) LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "[" << context.SS->TabletID() << "] " << stream) 
- 
-namespace NKikimr { 
+
+#define LOG_D(stream) LOG_DEBUG_S (context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "[" << context.SS->TabletID() << "] " << stream)
+#define LOG_I(stream) LOG_INFO_S  (context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "[" << context.SS->TabletID() << "] " << stream)
+#define LOG_N(stream) LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "[" << context.SS->TabletID() << "] " << stream)
+
+namespace NKikimr {
 namespace NSchemeShard {
- 
-namespace { 
- 
-class TPropose: public TSubOperationState { 
+
+namespace {
+
+class TPropose: public TSubOperationState {
     TString DebugHint() const override {
-        return TStringBuilder() 
-            << "NewCdcStream TPropose" 
-            << " opId# " << OperationId << " "; 
-    } 
- 
-public: 
-    explicit TPropose(TOperationId id) 
-        : OperationId(id) 
-    { 
-        IgnoreMessages(DebugHint(), {}); 
-    } 
- 
-    bool ProgressState(TOperationContext& context) override { 
-        LOG_I(DebugHint() << "ProgressState"); 
- 
-        const auto* txState = context.SS->FindTx(OperationId); 
-        Y_VERIFY(txState); 
-        Y_VERIFY(txState->TxType == TTxState::TxCreateCdcStream); 
- 
-        context.OnComplete.ProposeToCoordinator(OperationId, txState->TargetPathId, TStepId(0)); 
-        return false; 
-    } 
- 
-    bool HandleReply(TEvPrivate::TEvOperationPlan::TPtr& ev, TOperationContext& context) override { 
-        const auto step = TStepId(ev->Get()->StepId); 
- 
-        LOG_I(DebugHint() << "HandleReply TEvOperationPlan" 
-            << ": step# " << step); 
- 
-        const auto* txState = context.SS->FindTx(OperationId); 
-        Y_VERIFY(txState); 
-        Y_VERIFY(txState->TxType == TTxState::TxCreateCdcStream); 
-        const auto& pathId = txState->TargetPathId; 
- 
-        Y_VERIFY(context.SS->PathsById.contains(pathId)); 
-        auto path = context.SS->PathsById.at(pathId); 
- 
-        Y_VERIFY(context.SS->CdcStreams.contains(pathId)); 
-        auto stream = context.SS->CdcStreams.at(pathId); 
- 
-        NIceDb::TNiceDb db(context.Txc.DB); 
- 
-        path->StepCreated = step; 
-        context.SS->PersistCreateStep(db, pathId, step); 
- 
-        context.SS->PersistCdcStream(db, pathId); 
-        context.SS->CdcStreams[pathId] = stream->AlterData; 
- 
-        context.SS->TabletCounters->Simple()[COUNTER_CDC_STREAMS_COUNT].Add(1); 
-        context.SS->ClearDescribePathCaches(path); 
-        context.OnComplete.PublishToSchemeBoard(OperationId, pathId); 
- 
-        context.SS->ChangeTxState(db, OperationId, TTxState::Done); 
-        return true; 
-    } 
- 
-private: 
-    const TOperationId OperationId; 
- 
-}; // TPropose 
- 
-class TNewCdcStream: public TSubOperation { 
-    static TTxState::ETxState NextState() { 
-        return TTxState::Propose; 
-    } 
- 
-    static TTxState::ETxState NextState(TTxState::ETxState state) { 
-        switch (state) { 
-        case TTxState::Propose: 
-            return TTxState::Done; 
-        default: 
-            return TTxState::Invalid; 
-        } 
-    } 
- 
-    TSubOperationState::TPtr SelectStateFunc(TTxState::ETxState state) { 
-        switch (state) { 
-        case TTxState::Propose: 
-            return THolder(new TPropose(OperationId)); 
-        case TTxState::Done: 
-            return THolder(new TDone(OperationId)); 
-        default: 
-            return nullptr; 
-        } 
-    } 
- 
-    void StateDone(TOperationContext& context) override { 
-        State = NextState(State); 
- 
-        if (State != TTxState::Invalid) { 
-            SetState(SelectStateFunc(State)); 
-            context.OnComplete.ActivateTx(OperationId); 
-        } 
-    } 
- 
-public: 
-    explicit TNewCdcStream(TOperationId id, const TTxTransaction& tx) 
-        : OperationId(id) 
-        , Transaction(tx) 
-        , State(TTxState::Invalid) 
-    { 
-    } 
- 
-    explicit TNewCdcStream(TOperationId id, TTxState::ETxState state) 
-        : OperationId(id) 
-        , State(state) 
-    { 
-        SetState(SelectStateFunc(state)); 
-    } 
- 
+        return TStringBuilder()
+            << "NewCdcStream TPropose"
+            << " opId# " << OperationId << " ";
+    }
+
+public:
+    explicit TPropose(TOperationId id)
+        : OperationId(id)
+    {
+        IgnoreMessages(DebugHint(), {});
+    }
+
+    bool ProgressState(TOperationContext& context) override {
+        LOG_I(DebugHint() << "ProgressState");
+
+        const auto* txState = context.SS->FindTx(OperationId);
+        Y_VERIFY(txState);
+        Y_VERIFY(txState->TxType == TTxState::TxCreateCdcStream);
+
+        context.OnComplete.ProposeToCoordinator(OperationId, txState->TargetPathId, TStepId(0));
+        return false;
+    }
+
+    bool HandleReply(TEvPrivate::TEvOperationPlan::TPtr& ev, TOperationContext& context) override {
+        const auto step = TStepId(ev->Get()->StepId);
+
+        LOG_I(DebugHint() << "HandleReply TEvOperationPlan"
+            << ": step# " << step);
+
+        const auto* txState = context.SS->FindTx(OperationId);
+        Y_VERIFY(txState);
+        Y_VERIFY(txState->TxType == TTxState::TxCreateCdcStream);
+        const auto& pathId = txState->TargetPathId;
+
+        Y_VERIFY(context.SS->PathsById.contains(pathId));
+        auto path = context.SS->PathsById.at(pathId);
+
+        Y_VERIFY(context.SS->CdcStreams.contains(pathId));
+        auto stream = context.SS->CdcStreams.at(pathId);
+
+        NIceDb::TNiceDb db(context.Txc.DB);
+
+        path->StepCreated = step;
+        context.SS->PersistCreateStep(db, pathId, step);
+
+        context.SS->PersistCdcStream(db, pathId);
+        context.SS->CdcStreams[pathId] = stream->AlterData;
+
+        context.SS->TabletCounters->Simple()[COUNTER_CDC_STREAMS_COUNT].Add(1);
+        context.SS->ClearDescribePathCaches(path);
+        context.OnComplete.PublishToSchemeBoard(OperationId, pathId);
+
+        context.SS->ChangeTxState(db, OperationId, TTxState::Done);
+        return true;
+    }
+
+private:
+    const TOperationId OperationId;
+
+}; // TPropose
+
+class TNewCdcStream: public TSubOperation {
+    static TTxState::ETxState NextState() {
+        return TTxState::Propose;
+    }
+
+    static TTxState::ETxState NextState(TTxState::ETxState state) {
+        switch (state) {
+        case TTxState::Propose:
+            return TTxState::Done;
+        default:
+            return TTxState::Invalid;
+        }
+    }
+
+    TSubOperationState::TPtr SelectStateFunc(TTxState::ETxState state) {
+        switch (state) {
+        case TTxState::Propose:
+            return THolder(new TPropose(OperationId));
+        case TTxState::Done:
+            return THolder(new TDone(OperationId));
+        default:
+            return nullptr;
+        }
+    }
+
+    void StateDone(TOperationContext& context) override {
+        State = NextState(State);
+
+        if (State != TTxState::Invalid) {
+            SetState(SelectStateFunc(State));
+            context.OnComplete.ActivateTx(OperationId);
+        }
+    }
+
+public:
+    explicit TNewCdcStream(TOperationId id, const TTxTransaction& tx)
+        : OperationId(id)
+        , Transaction(tx)
+        , State(TTxState::Invalid)
+    {
+    }
+
+    explicit TNewCdcStream(TOperationId id, TTxState::ETxState state)
+        : OperationId(id)
+        , State(state)
+    {
+        SetState(SelectStateFunc(state));
+    }
+
     THolder<TProposeResponse> Propose(const TString& owner, TOperationContext& context) override {
-        const auto& workingDir = Transaction.GetWorkingDir(); 
-        const auto& op = Transaction.GetCreateCdcStream(); 
-        const auto& streamDesc = op.GetStreamDescription(); 
-        const auto& streamName = streamDesc.GetName(); 
+        const auto& workingDir = Transaction.GetWorkingDir();
+        const auto& op = Transaction.GetCreateCdcStream();
+        const auto& streamDesc = op.GetStreamDescription();
+        const auto& streamName = streamDesc.GetName();
         const auto acceptExisted = !Transaction.GetFailOnExist();
- 
-        LOG_N("TNewCdcStream Propose" 
-            << ": opId# " << OperationId 
-            << ", stream# " << workingDir << "/" << streamName); 
- 
+
+        LOG_N("TNewCdcStream Propose"
+            << ": opId# " << OperationId
+            << ", stream# " << workingDir << "/" << streamName);
+
         auto result = MakeHolder<TProposeResponse>(NKikimrScheme::StatusAccepted, ui64(OperationId.GetTxId()), context.SS->TabletID());
- 
-        const auto tablePath = TPath::Resolve(workingDir, context.SS); 
-        { 
-            const auto checks = tablePath.Check(); 
-            checks 
-                .NotEmpty() 
-                .NotUnderDomainUpgrade() 
-                .IsAtLocalSchemeShard() 
-                .IsResolved() 
-                .NotDeleted() 
-                .IsTable() 
-                .IsCommonSensePath() 
-                .NotUnderDeleting(); 
- 
-            if (!checks) { 
-                TString explain = TStringBuilder() << "path checks failed, path: " << tablePath.PathString(); 
-                const auto status = checks.GetStatus(&explain); 
-                result->SetError(status, explain); 
-                return result; 
-            } 
-        } 
- 
-        auto streamPath = tablePath.Child(streamName); 
-        { 
-            const auto checks = streamPath.Check(); 
-            checks 
-                .IsAtLocalSchemeShard(); 
- 
-            if (streamPath.IsResolved()) { 
-                checks 
-                    .IsResolved() 
-                    .NotUnderDeleting() 
-                    .FailOnExist(TPathElement::EPathType::EPathTypeCdcStream, acceptExisted); 
-            } else { 
-                checks 
-                    .NotEmpty() 
-                    .NotResolved(); 
-            } 
- 
-            if (checks) { 
-                checks 
-                    .IsValidLeafName() 
-                    .PathsLimit() 
-                    .DirChildrenLimit(); 
-            } 
- 
-            if (!checks) { 
-                TString explain = TStringBuilder() << "path checks failed, path: " << streamPath.PathString(); 
-                const auto status = checks.GetStatus(&explain); 
-                result->SetError(status, explain); 
-                if (streamPath.IsResolved()) { 
-                    result->SetPathCreateTxId(ui64(streamPath.Base()->CreateTxId)); 
-                    result->SetPathId(streamPath.Base()->PathId.LocalPathId); 
-                } 
-                return result; 
-            } 
-        } 
- 
-        switch (streamDesc.GetMode()) { 
+
+        const auto tablePath = TPath::Resolve(workingDir, context.SS);
+        {
+            const auto checks = tablePath.Check();
+            checks
+                .NotEmpty()
+                .NotUnderDomainUpgrade()
+                .IsAtLocalSchemeShard()
+                .IsResolved()
+                .NotDeleted()
+                .IsTable()
+                .IsCommonSensePath()
+                .NotUnderDeleting();
+
+            if (!checks) {
+                TString explain = TStringBuilder() << "path checks failed, path: " << tablePath.PathString();
+                const auto status = checks.GetStatus(&explain);
+                result->SetError(status, explain);
+                return result;
+            }
+        }
+
+        auto streamPath = tablePath.Child(streamName);
+        {
+            const auto checks = streamPath.Check();
+            checks
+                .IsAtLocalSchemeShard();
+
+            if (streamPath.IsResolved()) {
+                checks
+                    .IsResolved()
+                    .NotUnderDeleting()
+                    .FailOnExist(TPathElement::EPathType::EPathTypeCdcStream, acceptExisted);
+            } else {
+                checks
+                    .NotEmpty()
+                    .NotResolved();
+            }
+
+            if (checks) {
+                checks
+                    .IsValidLeafName()
+                    .PathsLimit()
+                    .DirChildrenLimit();
+            }
+
+            if (!checks) {
+                TString explain = TStringBuilder() << "path checks failed, path: " << streamPath.PathString();
+                const auto status = checks.GetStatus(&explain);
+                result->SetError(status, explain);
+                if (streamPath.IsResolved()) {
+                    result->SetPathCreateTxId(ui64(streamPath.Base()->CreateTxId));
+                    result->SetPathId(streamPath.Base()->PathId.LocalPathId);
+                }
+                return result;
+            }
+        }
+
+        switch (streamDesc.GetMode()) {
         case NKikimrSchemeOp::ECdcStreamModeKeysOnly:
         case NKikimrSchemeOp::ECdcStreamModeUpdate:
         case NKikimrSchemeOp::ECdcStreamModeNewImage:
         case NKikimrSchemeOp::ECdcStreamModeOldImage:
         case NKikimrSchemeOp::ECdcStreamModeNewAndOldImages:
-            break; 
-        default: 
+            break;
+        default:
             result->SetError(NKikimrScheme::StatusInvalidParameter, TStringBuilder()
-                << "Invalid stream mode: " << static_cast<ui32>(streamDesc.GetMode())); 
-            return result; 
-        } 
- 
-        TString errStr; 
-        if (!context.SS->CheckLocks(tablePath.Base()->PathId, Transaction, errStr)) { 
+                << "Invalid stream mode: " << static_cast<ui32>(streamDesc.GetMode()));
+            return result;
+        }
+
+        TString errStr;
+        if (!context.SS->CheckLocks(tablePath.Base()->PathId, Transaction, errStr)) {
             result->SetError(NKikimrScheme::StatusMultipleModifications, errStr);
-            return result; 
-        } 
- 
-        auto stream = TCdcStreamInfo::Create(streamDesc); 
-        Y_VERIFY(stream); 
- 
-        const auto pathId = context.SS->AllocatePathId(); 
-        context.MemChanges.GrabNewPath(context.SS, pathId); 
-        context.MemChanges.GrabPath(context.SS, tablePath.Base()->PathId); 
-        context.MemChanges.GrabNewTxState(context.SS, OperationId); 
-        context.MemChanges.GrabDomain(context.SS, streamPath.DomainId()); 
-        context.MemChanges.GrabNewCdcStream(context.SS, pathId); 
- 
-        context.DbChanges.PersistPath(pathId); 
-        context.DbChanges.PersistPath(tablePath.Base()->PathId); 
-        context.DbChanges.PersistAlterCdcStream(pathId); 
-        context.DbChanges.PersistTxState(OperationId); 
- 
-        streamPath.MaterializeLeaf(owner, pathId); 
-        result->SetPathId(pathId.LocalPathId); 
- 
-        Y_VERIFY(!context.SS->FindTx(OperationId)); 
-        auto& txState = context.SS->CreateTx(OperationId, TTxState::TxCreateCdcStream, streamPath.Base()->PathId); 
-        txState.State = TTxState::Propose; 
- 
+            return result;
+        }
+
+        auto stream = TCdcStreamInfo::Create(streamDesc);
+        Y_VERIFY(stream);
+
+        const auto pathId = context.SS->AllocatePathId();
+        context.MemChanges.GrabNewPath(context.SS, pathId);
+        context.MemChanges.GrabPath(context.SS, tablePath.Base()->PathId);
+        context.MemChanges.GrabNewTxState(context.SS, OperationId);
+        context.MemChanges.GrabDomain(context.SS, streamPath.DomainId());
+        context.MemChanges.GrabNewCdcStream(context.SS, pathId);
+
+        context.DbChanges.PersistPath(pathId);
+        context.DbChanges.PersistPath(tablePath.Base()->PathId);
+        context.DbChanges.PersistAlterCdcStream(pathId);
+        context.DbChanges.PersistTxState(OperationId);
+
+        streamPath.MaterializeLeaf(owner, pathId);
+        result->SetPathId(pathId.LocalPathId);
+
+        Y_VERIFY(!context.SS->FindTx(OperationId));
+        auto& txState = context.SS->CreateTx(OperationId, TTxState::TxCreateCdcStream, streamPath.Base()->PathId);
+        txState.State = TTxState::Propose;
+
         streamPath.Base()->PathState = NKikimrSchemeOp::EPathStateCreate;
-        streamPath.Base()->CreateTxId = OperationId.GetTxId(); 
-        streamPath.Base()->LastTxId = OperationId.GetTxId(); 
-        streamPath.Base()->PathType = TPathElement::EPathType::EPathTypeCdcStream; 
- 
-        context.SS->CdcStreams[pathId] = stream; 
-        context.SS->IncrementPathDbRefCount(pathId); 
- 
-        streamPath.DomainInfo()->IncPathsInside(); 
-        tablePath.Base()->IncAliveChildren(); 
- 
-        context.OnComplete.ActivateTx(OperationId); 
- 
-        State = NextState(); 
-        SetState(SelectStateFunc(State)); 
- 
-        return result; 
-    } 
- 
-    void AbortPropose(TOperationContext&) override { 
-        Y_FAIL("no AbortPropose for TNewCdcStream"); 
-    } 
- 
-    void AbortUnsafe(TTxId txId, TOperationContext& context) override { 
-        LOG_N("TNewCdcStream AbortUnsafe" 
-            << ": opId# " << OperationId 
-            << ", txId# " << txId); 
-        context.OnComplete.DoneOperation(OperationId); 
-    } 
- 
-private: 
-    const TOperationId OperationId; 
-    const TTxTransaction Transaction; 
-    TTxState::ETxState State; 
- 
-}; // TNewCdcStream 
- 
-class TConfigurePartsAtTable: public NCdcStreamState::TConfigurePartsAtTable { 
-protected: 
-    void FillNotice(const TPathId& pathId, NKikimrTxDataShard::TFlatSchemeTransaction& tx, TOperationContext& context) const override { 
-        Y_VERIFY(context.SS->PathsById.contains(pathId)); 
-        auto path = context.SS->PathsById.at(pathId); 
- 
-        Y_VERIFY(context.SS->Tables.contains(pathId)); 
-        auto table = context.SS->Tables.at(pathId); 
- 
-        auto& notice = *tx.MutableCreateCdcStreamNotice(); 
-        PathIdFromPathId(pathId, notice.MutablePathId()); 
-        notice.SetTableSchemaVersion(table->AlterVersion + 1); 
- 
-        bool found = false; 
-        for (const auto& [childName, childPathId] : path->GetChildren()) { 
-            Y_VERIFY(context.SS->PathsById.contains(childPathId)); 
-            auto childPath = context.SS->PathsById.at(childPathId); 
- 
-            if (!childPath->IsCdcStream() || childPath->Dropped()) { 
-                continue; 
-            } 
- 
-            Y_VERIFY(context.SS->CdcStreams.contains(childPathId)); 
-            auto stream = context.SS->CdcStreams.at(childPathId); 
- 
-            if (stream->State != TCdcStreamInfo::EState::ECdcStreamStateInvalid) { 
-                continue; 
-            } 
- 
-            Y_VERIFY_S(!found, "Too many cdc streams are planned to create" 
-                << ": found# " << PathIdFromPathId(notice.GetStreamDescription().GetPathId()) 
-                << ", another# " << childPathId); 
-            found = true; 
- 
-            Y_VERIFY(stream->AlterData); 
-            context.SS->DescribeCdcStream(childPathId, childName, stream->AlterData, *notice.MutableStreamDescription()); 
-        } 
-    } 
- 
-public: 
-    using NCdcStreamState::TConfigurePartsAtTable::TConfigurePartsAtTable; 
- 
-}; // TConfigurePartsAtTable 
- 
-class TNewCdcStreamAtTable: public TSubOperation { 
-    static TTxState::ETxState NextState() { 
-        return TTxState::ConfigureParts; 
-    } 
- 
-    static TTxState::ETxState NextState(TTxState::ETxState state) { 
-        switch (state) { 
-        case TTxState::Waiting: 
-        case TTxState::ConfigureParts: 
-            return TTxState::Propose; 
-        case TTxState::Propose: 
-            return TTxState::ProposedWaitParts; 
-        case TTxState::ProposedWaitParts: 
-            return TTxState::Done; 
-        default: 
-            return TTxState::Invalid; 
-        } 
- 
-        return TTxState::Invalid; 
-    } 
- 
-    TSubOperationState::TPtr SelectStateFunc(TTxState::ETxState state) { 
-        switch (state) { 
-        case TTxState::Waiting: 
-        case TTxState::ConfigureParts: 
-            return THolder(new TConfigurePartsAtTable(OperationId)); 
-        case TTxState::Propose: 
-            return THolder(new NCdcStreamState::TProposeAtTable(OperationId)); 
-        case TTxState::ProposedWaitParts: 
-            return THolder(new NTableState::TProposedWaitParts(OperationId)); 
-        case TTxState::Done: 
-            return THolder(new TDone(OperationId)); 
-        default: 
-            return nullptr; 
-        } 
-    } 
- 
-    void StateDone(TOperationContext& context) override { 
-        State = NextState(State); 
- 
-        if (State != TTxState::Invalid) { 
-            SetState(SelectStateFunc(State)); 
-            context.OnComplete.ActivateTx(OperationId); 
-        } 
-    } 
- 
-public: 
-    explicit TNewCdcStreamAtTable(TOperationId id, const TTxTransaction& tx) 
-        : OperationId(id) 
-        , Transaction(tx) 
-        , State(TTxState::Invalid) 
-    { 
-    } 
- 
-    explicit TNewCdcStreamAtTable(TOperationId id, TTxState::ETxState state) 
-        : OperationId(id) 
-        , State(state) 
-    { 
-        SetState(SelectStateFunc(state)); 
-    } 
- 
+        streamPath.Base()->CreateTxId = OperationId.GetTxId();
+        streamPath.Base()->LastTxId = OperationId.GetTxId();
+        streamPath.Base()->PathType = TPathElement::EPathType::EPathTypeCdcStream;
+
+        context.SS->CdcStreams[pathId] = stream;
+        context.SS->IncrementPathDbRefCount(pathId);
+
+        streamPath.DomainInfo()->IncPathsInside();
+        tablePath.Base()->IncAliveChildren();
+
+        context.OnComplete.ActivateTx(OperationId);
+
+        State = NextState();
+        SetState(SelectStateFunc(State));
+
+        return result;
+    }
+
+    void AbortPropose(TOperationContext&) override {
+        Y_FAIL("no AbortPropose for TNewCdcStream");
+    }
+
+    void AbortUnsafe(TTxId txId, TOperationContext& context) override {
+        LOG_N("TNewCdcStream AbortUnsafe"
+            << ": opId# " << OperationId
+            << ", txId# " << txId);
+        context.OnComplete.DoneOperation(OperationId);
+    }
+
+private:
+    const TOperationId OperationId;
+    const TTxTransaction Transaction;
+    TTxState::ETxState State;
+
+}; // TNewCdcStream
+
+class TConfigurePartsAtTable: public NCdcStreamState::TConfigurePartsAtTable {
+protected:
+    void FillNotice(const TPathId& pathId, NKikimrTxDataShard::TFlatSchemeTransaction& tx, TOperationContext& context) const override {
+        Y_VERIFY(context.SS->PathsById.contains(pathId));
+        auto path = context.SS->PathsById.at(pathId);
+
+        Y_VERIFY(context.SS->Tables.contains(pathId));
+        auto table = context.SS->Tables.at(pathId);
+
+        auto& notice = *tx.MutableCreateCdcStreamNotice();
+        PathIdFromPathId(pathId, notice.MutablePathId());
+        notice.SetTableSchemaVersion(table->AlterVersion + 1);
+
+        bool found = false;
+        for (const auto& [childName, childPathId] : path->GetChildren()) {
+            Y_VERIFY(context.SS->PathsById.contains(childPathId));
+            auto childPath = context.SS->PathsById.at(childPathId);
+
+            if (!childPath->IsCdcStream() || childPath->Dropped()) {
+                continue;
+            }
+
+            Y_VERIFY(context.SS->CdcStreams.contains(childPathId));
+            auto stream = context.SS->CdcStreams.at(childPathId);
+
+            if (stream->State != TCdcStreamInfo::EState::ECdcStreamStateInvalid) {
+                continue;
+            }
+
+            Y_VERIFY_S(!found, "Too many cdc streams are planned to create"
+                << ": found# " << PathIdFromPathId(notice.GetStreamDescription().GetPathId())
+                << ", another# " << childPathId);
+            found = true;
+
+            Y_VERIFY(stream->AlterData);
+            context.SS->DescribeCdcStream(childPathId, childName, stream->AlterData, *notice.MutableStreamDescription());
+        }
+    }
+
+public:
+    using NCdcStreamState::TConfigurePartsAtTable::TConfigurePartsAtTable;
+
+}; // TConfigurePartsAtTable
+
+class TNewCdcStreamAtTable: public TSubOperation {
+    static TTxState::ETxState NextState() {
+        return TTxState::ConfigureParts;
+    }
+
+    static TTxState::ETxState NextState(TTxState::ETxState state) {
+        switch (state) {
+        case TTxState::Waiting:
+        case TTxState::ConfigureParts:
+            return TTxState::Propose;
+        case TTxState::Propose:
+            return TTxState::ProposedWaitParts;
+        case TTxState::ProposedWaitParts:
+            return TTxState::Done;
+        default:
+            return TTxState::Invalid;
+        }
+
+        return TTxState::Invalid;
+    }
+
+    TSubOperationState::TPtr SelectStateFunc(TTxState::ETxState state) {
+        switch (state) {
+        case TTxState::Waiting:
+        case TTxState::ConfigureParts:
+            return THolder(new TConfigurePartsAtTable(OperationId));
+        case TTxState::Propose:
+            return THolder(new NCdcStreamState::TProposeAtTable(OperationId));
+        case TTxState::ProposedWaitParts:
+            return THolder(new NTableState::TProposedWaitParts(OperationId));
+        case TTxState::Done:
+            return THolder(new TDone(OperationId));
+        default:
+            return nullptr;
+        }
+    }
+
+    void StateDone(TOperationContext& context) override {
+        State = NextState(State);
+
+        if (State != TTxState::Invalid) {
+            SetState(SelectStateFunc(State));
+            context.OnComplete.ActivateTx(OperationId);
+        }
+    }
+
+public:
+    explicit TNewCdcStreamAtTable(TOperationId id, const TTxTransaction& tx)
+        : OperationId(id)
+        , Transaction(tx)
+        , State(TTxState::Invalid)
+    {
+    }
+
+    explicit TNewCdcStreamAtTable(TOperationId id, TTxState::ETxState state)
+        : OperationId(id)
+        , State(state)
+    {
+        SetState(SelectStateFunc(state));
+    }
+
     THolder<TProposeResponse> Propose(const TString&, TOperationContext& context) override {
-        const auto& workingDir = Transaction.GetWorkingDir(); 
-        const auto& op = Transaction.GetCreateCdcStream(); 
-        const auto& tableName = op.GetTableName(); 
-        const auto& streamName = op.GetStreamDescription().GetName(); 
- 
-        LOG_N("TNewCdcStreamAtTable Propose" 
-            << ": opId# " << OperationId 
-            << ", stream# " << workingDir << "/" << tableName << "/" << streamName); 
- 
+        const auto& workingDir = Transaction.GetWorkingDir();
+        const auto& op = Transaction.GetCreateCdcStream();
+        const auto& tableName = op.GetTableName();
+        const auto& streamName = op.GetStreamDescription().GetName();
+
+        LOG_N("TNewCdcStreamAtTable Propose"
+            << ": opId# " << OperationId
+            << ", stream# " << workingDir << "/" << tableName << "/" << streamName);
+
         auto result = MakeHolder<TProposeResponse>(NKikimrScheme::StatusAccepted, ui64(OperationId.GetTxId()), context.SS->TabletID());
- 
-        const auto workingDirPath = TPath::Resolve(workingDir, context.SS); 
-        { 
-            const auto checks = workingDirPath.Check(); 
-            checks 
-                .NotUnderDomainUpgrade() 
-                .IsAtLocalSchemeShard() 
-                .IsResolved() 
-                .NotDeleted() 
-                .IsCommonSensePath() 
-                .IsLikeDirectory() 
-                .NotUnderDeleting(); 
- 
-            if (!checks) { 
-                TString explain = TStringBuilder() << "path checks failed, path: " << workingDirPath.PathString(); 
-                const auto status = checks.GetStatus(&explain); 
-                result->SetError(status, explain); 
-                return result; 
-            } 
-        } 
- 
-        const auto tablePath = workingDirPath.Child(tableName); 
-        { 
-            const auto checks = tablePath.Check(); 
-            checks 
-                .NotEmpty() 
-                .NotUnderDomainUpgrade() 
-                .IsAtLocalSchemeShard() 
-                .IsResolved() 
-                .NotDeleted() 
-                .IsTable() 
-                .IsCommonSensePath() 
-                .NotUnderDeleting() 
-                .NotUnderOperation(); 
- 
-            if (!checks) { 
-                TString explain = TStringBuilder() << "path checks failed, path: " << tablePath.PathString(); 
-                const auto status = checks.GetStatus(&explain); 
-                result->SetError(status, explain); 
-                return result; 
-            } 
-        } 
- 
-        TString errStr; 
-        if (!context.SS->CheckApplyIf(Transaction, errStr)) { 
+
+        const auto workingDirPath = TPath::Resolve(workingDir, context.SS);
+        {
+            const auto checks = workingDirPath.Check();
+            checks
+                .NotUnderDomainUpgrade()
+                .IsAtLocalSchemeShard()
+                .IsResolved()
+                .NotDeleted()
+                .IsCommonSensePath()
+                .IsLikeDirectory()
+                .NotUnderDeleting();
+
+            if (!checks) {
+                TString explain = TStringBuilder() << "path checks failed, path: " << workingDirPath.PathString();
+                const auto status = checks.GetStatus(&explain);
+                result->SetError(status, explain);
+                return result;
+            }
+        }
+
+        const auto tablePath = workingDirPath.Child(tableName);
+        {
+            const auto checks = tablePath.Check();
+            checks
+                .NotEmpty()
+                .NotUnderDomainUpgrade()
+                .IsAtLocalSchemeShard()
+                .IsResolved()
+                .NotDeleted()
+                .IsTable()
+                .IsCommonSensePath()
+                .NotUnderDeleting()
+                .NotUnderOperation();
+
+            if (!checks) {
+                TString explain = TStringBuilder() << "path checks failed, path: " << tablePath.PathString();
+                const auto status = checks.GetStatus(&explain);
+                result->SetError(status, explain);
+                return result;
+            }
+        }
+
+        TString errStr;
+        if (!context.SS->CheckApplyIf(Transaction, errStr)) {
             result->SetError(NKikimrScheme::StatusPreconditionFailed, errStr);
-            return result; 
-        } 
- 
-        context.DbChanges.PersistTxState(OperationId); 
- 
-        Y_VERIFY(context.SS->Tables.contains(tablePath.Base()->PathId)); 
-        auto table = context.SS->Tables.at(tablePath.Base()->PathId); 
- 
-        Y_VERIFY(table->AlterVersion != 0); 
-        Y_VERIFY(!table->AlterData); 
- 
-        Y_VERIFY(!context.SS->FindTx(OperationId)); 
-        auto& txState = context.SS->CreateTx(OperationId, TTxState::TxCreateCdcStreamAtTable, tablePath.Base()->PathId); 
-        txState.State = TTxState::ConfigureParts; 
- 
+            return result;
+        }
+
+        context.DbChanges.PersistTxState(OperationId);
+
+        Y_VERIFY(context.SS->Tables.contains(tablePath.Base()->PathId));
+        auto table = context.SS->Tables.at(tablePath.Base()->PathId);
+
+        Y_VERIFY(table->AlterVersion != 0);
+        Y_VERIFY(!table->AlterData);
+
+        Y_VERIFY(!context.SS->FindTx(OperationId));
+        auto& txState = context.SS->CreateTx(OperationId, TTxState::TxCreateCdcStreamAtTable, tablePath.Base()->PathId);
+        txState.State = TTxState::ConfigureParts;
+
         tablePath.Base()->PathState = NKikimrSchemeOp::EPathStateAlter;
-        tablePath.Base()->LastTxId = OperationId.GetTxId(); 
- 
-        for (const auto& splitOpId : table->GetSplitOpsInFlight()) { 
-            context.OnComplete.Dependence(splitOpId.GetTxId(), OperationId.GetTxId()); 
-        } 
- 
-        context.OnComplete.ActivateTx(OperationId); 
- 
-        State = NextState(); 
-        SetState(SelectStateFunc(State)); 
- 
-        return result; 
-    } 
- 
-    void AbortPropose(TOperationContext&) override { 
-        Y_FAIL("no AbortPropose for TNewCdcStreamAtTable"); 
-    } 
- 
-    void AbortUnsafe(TTxId txId, TOperationContext& context) override { 
-        LOG_N("TNewCdcStreamAtTable AbortUnsafe" 
-            << ": opId# " << OperationId 
-            << ", txId# " << txId); 
-        context.OnComplete.DoneOperation(OperationId); 
-    } 
- 
-private: 
-    const TOperationId OperationId; 
-    const TTxTransaction Transaction; 
-    TTxState::ETxState State; 
- 
-}; // TNewCdcStreamAtTable 
- 
-} // anonymous 
- 
-ISubOperationBase::TPtr CreateNewCdcStreamImpl(TOperationId id, const TTxTransaction& tx) { 
-    return new TNewCdcStream(id, tx); 
-} 
- 
-ISubOperationBase::TPtr CreateNewCdcStreamImpl(TOperationId id, TTxState::ETxState state) { 
-    return new TNewCdcStream(id, state); 
-} 
- 
-ISubOperationBase::TPtr CreateNewCdcStreamAtTable(TOperationId id, const TTxTransaction& tx) { 
-    return new TNewCdcStreamAtTable(id, tx); 
-} 
- 
-ISubOperationBase::TPtr CreateNewCdcStreamAtTable(TOperationId id, TTxState::ETxState state) { 
-    return new TNewCdcStreamAtTable(id, state); 
-} 
- 
-TVector<ISubOperationBase::TPtr> CreateNewCdcStream(TOperationId opId, const TTxTransaction& tx, TOperationContext& context) { 
+        tablePath.Base()->LastTxId = OperationId.GetTxId();
+
+        for (const auto& splitOpId : table->GetSplitOpsInFlight()) {
+            context.OnComplete.Dependence(splitOpId.GetTxId(), OperationId.GetTxId());
+        }
+
+        context.OnComplete.ActivateTx(OperationId);
+
+        State = NextState();
+        SetState(SelectStateFunc(State));
+
+        return result;
+    }
+
+    void AbortPropose(TOperationContext&) override {
+        Y_FAIL("no AbortPropose for TNewCdcStreamAtTable");
+    }
+
+    void AbortUnsafe(TTxId txId, TOperationContext& context) override {
+        LOG_N("TNewCdcStreamAtTable AbortUnsafe"
+            << ": opId# " << OperationId
+            << ", txId# " << txId);
+        context.OnComplete.DoneOperation(OperationId);
+    }
+
+private:
+    const TOperationId OperationId;
+    const TTxTransaction Transaction;
+    TTxState::ETxState State;
+
+}; // TNewCdcStreamAtTable
+
+} // anonymous
+
+ISubOperationBase::TPtr CreateNewCdcStreamImpl(TOperationId id, const TTxTransaction& tx) {
+    return new TNewCdcStream(id, tx);
+}
+
+ISubOperationBase::TPtr CreateNewCdcStreamImpl(TOperationId id, TTxState::ETxState state) {
+    return new TNewCdcStream(id, state);
+}
+
+ISubOperationBase::TPtr CreateNewCdcStreamAtTable(TOperationId id, const TTxTransaction& tx) {
+    return new TNewCdcStreamAtTable(id, tx);
+}
+
+ISubOperationBase::TPtr CreateNewCdcStreamAtTable(TOperationId id, TTxState::ETxState state) {
+    return new TNewCdcStreamAtTable(id, state);
+}
+
+TVector<ISubOperationBase::TPtr> CreateNewCdcStream(TOperationId opId, const TTxTransaction& tx, TOperationContext& context) {
     Y_VERIFY(tx.GetOperationType() == NKikimrSchemeOp::EOperationType::ESchemeOpCreateCdcStream);
- 
-    LOG_D("CreateNewCdcStream" 
-        << ": opId# " << opId 
-        << ", tx# " << tx.ShortDebugString()); 
- 
+
+    LOG_D("CreateNewCdcStream"
+        << ": opId# " << opId
+        << ", tx# " << tx.ShortDebugString());
+
     const auto acceptExisted = !tx.GetFailOnExist();
-    const auto& op = tx.GetCreateCdcStream(); 
-    const auto& tableName = op.GetTableName(); 
-    const auto& streamDesc = op.GetStreamDescription(); 
-    const auto& streamName = streamDesc.GetName(); 
- 
-    const auto workingDirPath = TPath::Resolve(tx.GetWorkingDir(), context.SS); 
- 
-    const auto tablePath = workingDirPath.Child(tableName); 
-    { 
-        const auto checks = tablePath.Check(); 
-        checks 
-            .NotEmpty() 
-            .NotUnderDomainUpgrade() 
-            .IsAtLocalSchemeShard() 
-            .IsResolved() 
-            .NotDeleted() 
-            .IsTable() 
-            .IsCommonSensePath() 
-            .NotUnderDeleting() 
-            .NotUnderOperation(); 
- 
-        if (!checks) { 
-            TString explain = TStringBuilder() << "path checks failed, path: " << tablePath.PathString(); 
-            const auto status = checks.GetStatus(&explain); 
-            return {CreateReject(opId, status, explain)}; 
-        } 
-    } 
- 
-    const auto streamPath = tablePath.Child(streamName); 
-    { 
-        const auto checks = streamPath.Check(); 
-        checks 
-            .IsAtLocalSchemeShard(); 
- 
-        if (streamPath.IsResolved()) { 
-            checks 
-                .IsResolved() 
-                .NotUnderDeleting() 
+    const auto& op = tx.GetCreateCdcStream();
+    const auto& tableName = op.GetTableName();
+    const auto& streamDesc = op.GetStreamDescription();
+    const auto& streamName = streamDesc.GetName();
+
+    const auto workingDirPath = TPath::Resolve(tx.GetWorkingDir(), context.SS);
+
+    const auto tablePath = workingDirPath.Child(tableName);
+    {
+        const auto checks = tablePath.Check();
+        checks
+            .NotEmpty()
+            .NotUnderDomainUpgrade()
+            .IsAtLocalSchemeShard()
+            .IsResolved()
+            .NotDeleted()
+            .IsTable()
+            .IsCommonSensePath()
+            .NotUnderDeleting()
+            .NotUnderOperation();
+
+        if (!checks) {
+            TString explain = TStringBuilder() << "path checks failed, path: " << tablePath.PathString();
+            const auto status = checks.GetStatus(&explain);
+            return {CreateReject(opId, status, explain)};
+        }
+    }
+
+    const auto streamPath = tablePath.Child(streamName);
+    {
+        const auto checks = streamPath.Check();
+        checks
+            .IsAtLocalSchemeShard();
+
+        if (streamPath.IsResolved()) {
+            checks
+                .IsResolved()
+                .NotUnderDeleting()
                 .FailOnExist(TPathElement::EPathType::EPathTypeCdcStream, acceptExisted);
-        } else { 
-            checks 
-                .NotEmpty() 
-                .NotResolved(); 
-        } 
- 
-        if (checks) { 
-            checks 
-                .IsValidLeafName() 
-                .PathsLimit() 
-                .DirChildrenLimit(); 
-        } 
- 
-        if (!checks) { 
-            TString explain = TStringBuilder() << "path checks failed, path: " << streamPath.PathString(); 
-            const auto status = checks.GetStatus(&explain); 
-            return {CreateReject(opId, status, explain)}; 
-        } 
-    } 
- 
-    switch (streamDesc.GetMode()) { 
+        } else {
+            checks
+                .NotEmpty()
+                .NotResolved();
+        }
+
+        if (checks) {
+            checks
+                .IsValidLeafName()
+                .PathsLimit()
+                .DirChildrenLimit();
+        }
+
+        if (!checks) {
+            TString explain = TStringBuilder() << "path checks failed, path: " << streamPath.PathString();
+            const auto status = checks.GetStatus(&explain);
+            return {CreateReject(opId, status, explain)};
+        }
+    }
+
+    switch (streamDesc.GetMode()) {
     case NKikimrSchemeOp::ECdcStreamModeKeysOnly:
     case NKikimrSchemeOp::ECdcStreamModeUpdate:
     case NKikimrSchemeOp::ECdcStreamModeNewImage:
     case NKikimrSchemeOp::ECdcStreamModeOldImage:
     case NKikimrSchemeOp::ECdcStreamModeNewAndOldImages:
-        break; 
-    default: 
+        break;
+    default:
         return {CreateReject(opId, NKikimrScheme::StatusInvalidParameter, TStringBuilder()
-            << "Invalid stream mode: " << static_cast<ui32>(streamDesc.GetMode()))}; 
-    } 
- 
-    TString errStr; 
-    if (!context.SS->CheckApplyIf(tx, errStr)) { 
+            << "Invalid stream mode: " << static_cast<ui32>(streamDesc.GetMode()))};
+    }
+
+    TString errStr;
+    if (!context.SS->CheckApplyIf(tx, errStr)) {
         return {CreateReject(opId, NKikimrScheme::StatusPreconditionFailed, errStr)};
-    } 
- 
-    if (!context.SS->CheckLocks(tablePath.Base()->PathId, tx, errStr)) { 
+    }
+
+    if (!context.SS->CheckLocks(tablePath.Base()->PathId, tx, errStr)) {
         return {CreateReject(opId, NKikimrScheme::StatusMultipleModifications, errStr)};
-    } 
- 
-    TVector<ISubOperationBase::TPtr> result; 
- 
-    { 
+    }
+
+    TVector<ISubOperationBase::TPtr> result;
+
+    {
         auto outTx = TransactionTemplate(tablePath.PathString(), NKikimrSchemeOp::EOperationType::ESchemeOpCreateCdcStreamImpl);
         outTx.SetFailOnExist(!acceptExisted);
-        outTx.MutableCreateCdcStream()->CopyFrom(op); 
- 
-        result.push_back(CreateNewCdcStreamImpl(NextPartId(opId, result), outTx)); 
-    } 
- 
-    { 
+        outTx.MutableCreateCdcStream()->CopyFrom(op);
+
+        result.push_back(CreateNewCdcStreamImpl(NextPartId(opId, result), outTx));
+    }
+
+    {
         auto outTx = TransactionTemplate(workingDirPath.PathString(), NKikimrSchemeOp::EOperationType::ESchemeOpCreateCdcStreamAtTable);
         outTx.SetFailOnExist(!acceptExisted);
-        outTx.MutableCreateCdcStream()->CopyFrom(op); 
- 
-        result.push_back(CreateNewCdcStreamAtTable(NextPartId(opId, result), outTx)); 
-    } 
- 
-    { 
-        Y_VERIFY(context.SS->Tables.contains(tablePath.Base()->PathId)); 
-        auto table = context.SS->Tables.at(tablePath.Base()->PathId); 
-        const auto& partitions = table->GetPartitions(); 
- 
-        auto outTx = TransactionTemplate(streamPath.PathString(), NKikimrSchemeOp::EOperationType::ESchemeOpCreatePersQueueGroup); 
-        outTx.SetFailOnExist(!acceptExisted); 
- 
-        auto& desc = *outTx.MutableCreatePersQueueGroup(); 
-        desc.SetName("streamImpl"); 
-        desc.SetTotalGroupCount(partitions.size()); 
-        desc.SetPartitionPerTablet(2); 
- 
-        auto& pqConfig = *desc.MutablePQTabletConfig(); 
-        auto& partitionConfig = *pqConfig.MutablePartitionConfig(); 
-        partitionConfig.SetLifetimeSeconds(TDuration::Days(1).Seconds()); 
- 
-        for (const auto& tag : table->KeyColumnIds) { 
-            Y_VERIFY(table->Columns.contains(tag)); 
-            const auto& column = table->Columns.at(tag); 
- 
-            auto& keyComponent = *pqConfig.AddPartitionKeySchema(); 
-            keyComponent.SetName(column.Name); 
-            keyComponent.SetTypeId(column.PType); 
-        } 
- 
-        auto& bootstrapConfig = *desc.MutableBootstrapConfig(); 
-        for (ui32 i = 0; i < partitions.size(); ++i) { 
-            const auto& cur = partitions.at(i); 
- 
-            Y_VERIFY(context.SS->ShardInfos.contains(cur.ShardIdx)); 
-            const auto& shard = context.SS->ShardInfos.at(cur.ShardIdx); 
- 
-            auto& mg = *bootstrapConfig.AddExplicitMessageGroups(); 
-            mg.SetId(NPQ::NSourceIdEncoding::EncodeSimple(ToString(shard.TabletID))); 
- 
-            if (i != partitions.size() - 1) { 
-                TSerializedCellVec endKey(cur.EndOfRange); 
-                Y_VERIFY(endKey.GetCells().size() <= table->KeyColumnIds.size()); 
- 
-                TString errStr; 
-                auto& boundary = *desc.AddPartitionBoundaries(); 
-                for (ui32 ki = 0; ki < endKey.GetCells().size(); ++ki) { 
-                    const auto& cell = endKey.GetCells()[ki]; 
-                    const auto tag = table->KeyColumnIds.at(ki); 
-                    Y_VERIFY(table->Columns.contains(tag)); 
-                    const auto typeId = table->Columns.at(tag).PType; 
-                    const bool ok = NMiniKQL::CellToValue(typeId, cell, *boundary.AddTuple(), errStr); 
-                    Y_VERIFY(ok, "Failed to build key tuple at postition %" PRIu32 " error: %s", ki, errStr.data()); 
-                } 
- 
-                mg.MutableKeyRange()->SetToBound(cur.EndOfRange); 
-            } 
- 
-            if (i) { 
-                const auto& prev = partitions.at(i - 1); 
-                mg.MutableKeyRange()->SetFromBound(prev.EndOfRange); 
-            } 
-        } 
- 
-        result.push_back(CreateNewPQ(NextPartId(opId, result), outTx)); 
-    } 
- 
-    return result; 
-} 
- 
+        outTx.MutableCreateCdcStream()->CopyFrom(op);
+
+        result.push_back(CreateNewCdcStreamAtTable(NextPartId(opId, result), outTx));
+    }
+
+    {
+        Y_VERIFY(context.SS->Tables.contains(tablePath.Base()->PathId));
+        auto table = context.SS->Tables.at(tablePath.Base()->PathId);
+        const auto& partitions = table->GetPartitions();
+
+        auto outTx = TransactionTemplate(streamPath.PathString(), NKikimrSchemeOp::EOperationType::ESchemeOpCreatePersQueueGroup);
+        outTx.SetFailOnExist(!acceptExisted);
+
+        auto& desc = *outTx.MutableCreatePersQueueGroup();
+        desc.SetName("streamImpl");
+        desc.SetTotalGroupCount(partitions.size());
+        desc.SetPartitionPerTablet(2);
+
+        auto& pqConfig = *desc.MutablePQTabletConfig();
+        auto& partitionConfig = *pqConfig.MutablePartitionConfig();
+        partitionConfig.SetLifetimeSeconds(TDuration::Days(1).Seconds());
+
+        for (const auto& tag : table->KeyColumnIds) {
+            Y_VERIFY(table->Columns.contains(tag));
+            const auto& column = table->Columns.at(tag);
+
+            auto& keyComponent = *pqConfig.AddPartitionKeySchema();
+            keyComponent.SetName(column.Name);
+            keyComponent.SetTypeId(column.PType);
+        }
+
+        auto& bootstrapConfig = *desc.MutableBootstrapConfig();
+        for (ui32 i = 0; i < partitions.size(); ++i) {
+            const auto& cur = partitions.at(i);
+
+            Y_VERIFY(context.SS->ShardInfos.contains(cur.ShardIdx));
+            const auto& shard = context.SS->ShardInfos.at(cur.ShardIdx);
+
+            auto& mg = *bootstrapConfig.AddExplicitMessageGroups();
+            mg.SetId(NPQ::NSourceIdEncoding::EncodeSimple(ToString(shard.TabletID)));
+
+            if (i != partitions.size() - 1) {
+                TSerializedCellVec endKey(cur.EndOfRange);
+                Y_VERIFY(endKey.GetCells().size() <= table->KeyColumnIds.size());
+
+                TString errStr;
+                auto& boundary = *desc.AddPartitionBoundaries();
+                for (ui32 ki = 0; ki < endKey.GetCells().size(); ++ki) {
+                    const auto& cell = endKey.GetCells()[ki];
+                    const auto tag = table->KeyColumnIds.at(ki);
+                    Y_VERIFY(table->Columns.contains(tag));
+                    const auto typeId = table->Columns.at(tag).PType;
+                    const bool ok = NMiniKQL::CellToValue(typeId, cell, *boundary.AddTuple(), errStr);
+                    Y_VERIFY(ok, "Failed to build key tuple at postition %" PRIu32 " error: %s", ki, errStr.data());
+                }
+
+                mg.MutableKeyRange()->SetToBound(cur.EndOfRange);
+            }
+
+            if (i) {
+                const auto& prev = partitions.at(i - 1);
+                mg.MutableKeyRange()->SetFromBound(prev.EndOfRange);
+            }
+        }
+
+        result.push_back(CreateNewPQ(NextPartId(opId, result), outTx));
+    }
+
+    return result;
+}
+
 } // NSchemeShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_create_extsubdomain.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_create_extsubdomain.cpp
index eac8d3fe4b..9b6b9a4960 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_create_extsubdomain.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_create_extsubdomain.cpp
@@ -11,8 +11,8 @@ using namespace NKikimr;
 using namespace NSchemeShard;
 
 class TCreateExtSubDomain: public TSubOperation {
-    const TOperationId OperationId; 
-    const TTxTransaction Transaction; 
+    const TOperationId OperationId;
+    const TTxTransaction Transaction;
     TTxState::ETxState State = TTxState::Invalid;
 
     TTxState::ETxState NextState() {
@@ -23,8 +23,8 @@ class TCreateExtSubDomain: public TSubOperation {
         switch(state) {
         case TTxState::Waiting:
             return TTxState::Propose;
-        case TTxState::Propose: 
-            return TTxState::Done; 
+        case TTxState::Propose:
+            return TTxState::Done;
         default:
             return TTxState::Invalid;
         }
@@ -36,7 +36,7 @@ class TCreateExtSubDomain: public TSubOperation {
         case TTxState::Waiting:
         case TTxState::Propose:
             return THolder(new NSubDomainState::TPropose(OperationId));
-        case TTxState::Done: 
+        case TTxState::Done:
             return THolder(new TDone(OperationId));
         default:
             return nullptr;
@@ -53,11 +53,11 @@ class TCreateExtSubDomain: public TSubOperation {
     }
 
 public:
-    TCreateExtSubDomain(TOperationId id, const TTxTransaction& tx) 
+    TCreateExtSubDomain(TOperationId id, const TTxTransaction& tx)
         : OperationId(id)
-        , Transaction(tx) 
-    { 
-    } 
+        , Transaction(tx)
+    {
+    }
 
     TCreateExtSubDomain(TOperationId id, TTxState::ETxState state)
         : OperationId(id)
@@ -69,11 +69,11 @@ public:
     THolder<TProposeResponse> Propose(const TString& owner, TOperationContext& context) override {
         const TTabletId ssId = context.SS->SelfTabletId();
 
-        const auto& settings = Transaction.GetSubDomain(); 
+        const auto& settings = Transaction.GetSubDomain();
         const auto acceptExisted = !Transaction.GetFailOnExist();
 
-        const TString& parentPathStr = Transaction.GetWorkingDir(); 
-        const TString& name = settings.GetName(); 
+        const TString& parentPathStr = Transaction.GetWorkingDir();
+        const TString& name = settings.GetName();
 
         ui64 shardsToCreate = settings.GetCoordinators() + settings.GetMediators();
 
@@ -120,20 +120,20 @@ public:
             }
         }
 
-        const TString acl = Transaction.GetModifyACL().GetDiffACL(); 
- 
+        const TString acl = Transaction.GetModifyACL().GetDiffACL();
+
         NSchemeShard::TPath dstPath = parentPath.Child(name);
         {
             NSchemeShard::TPath::TChecker checks = dstPath.Check();
             checks.IsAtLocalSchemeShard();
             if (dstPath.IsResolved()) {
-                checks 
-                    .IsResolved() 
+                checks
+                    .IsResolved()
                     .NotUnderDeleting()
                     .FailOnExist(TPathElement::EPathType::EPathTypeExtSubDomain, acceptExisted);
             } else {
-                checks 
-                    .NotEmpty() 
+                checks
+                    .NotEmpty()
                     .NotResolved();
             }
 
@@ -144,8 +144,8 @@ public:
                     .PathsLimit() //check capacity on root Domain
                     .DirChildrenLimit()
                     .PathShardsLimit(shardsToCreate)
-                    .ShardsLimit(shardsToCreate) //check capacity on root Domain 
-                    .IsValidACL(acl); 
+                    .ShardsLimit(shardsToCreate) //check capacity on root Domain
+                    .IsValidACL(acl);
             }
 
             if (!checks) {
@@ -173,17 +173,17 @@ public:
             return result;
         }
 
-        TPathId resourcesDomainId; 
-        if (settings.HasResourcesDomainKey()) { 
-            const auto& resourcesDomainKey = settings.GetResourcesDomainKey(); 
-            resourcesDomainId = TPathId(resourcesDomainKey.GetSchemeShard(), resourcesDomainKey.GetPathId()); 
- 
-            if (!context.SS->SubDomains.contains(resourcesDomainId)) { 
+        TPathId resourcesDomainId;
+        if (settings.HasResourcesDomainKey()) {
+            const auto& resourcesDomainKey = settings.GetResourcesDomainKey();
+            resourcesDomainId = TPathId(resourcesDomainKey.GetSchemeShard(), resourcesDomainKey.GetPathId());
+
+            if (!context.SS->SubDomains.contains(resourcesDomainId)) {
                 result->SetError(NKikimrScheme::StatusInvalidParameter, "Unknown resources domain key");
-                return result; 
-            } 
-        } 
- 
+                return result;
+            }
+        }
+
         auto domainId = parentPath.DomainId();
         Y_VERIFY(context.SS->PathsById.contains(domainId));
         Y_VERIFY(context.SS->SubDomains.contains(domainId));
@@ -201,11 +201,11 @@ public:
             return result;
         }
 
-        const auto& userAttrsDetails = Transaction.GetAlterUserAttributes(); 
+        const auto& userAttrsDetails = Transaction.GetAlterUserAttributes();
         TUserAttributes::TPtr userAttrs = new TUserAttributes(1);
- 
-        TString errStr; 
- 
+
+        TString errStr;
+
         if (!userAttrs->ApplyPatch(EUserAttributesOp::CreateExtSubDomain, userAttrsDetails, errStr) ||
             !userAttrs->CheckLimits(errStr))
         {
@@ -213,7 +213,7 @@ public:
             return result;
         }
 
-        if (!context.SS->CheckApplyIf(Transaction, errStr)) { 
+        if (!context.SS->CheckApplyIf(Transaction, errStr)) {
             result->SetError(NKikimrScheme::StatusPreconditionFailed, errStr);
             return result;
         }
@@ -246,19 +246,19 @@ public:
         Y_VERIFY(!context.SS->FindTx(OperationId));
         TTxState& txState = context.SS->CreateTx(OperationId, TTxState::TxCreateExtSubDomain, newNode->PathId);
 
-        TSubDomainInfo::TPtr alter = new TSubDomainInfo(1, 0, 0, resourcesDomainId ? resourcesDomainId : newNode->PathId); 
+        TSubDomainInfo::TPtr alter = new TSubDomainInfo(1, 0, 0, resourcesDomainId ? resourcesDomainId : newNode->PathId);
         alter->SetSchemeLimits(parentPath.DomainInfo()->GetSchemeLimits()); //inherit from root
 
-        if (resourcesDomainId) { 
-            TSubDomainInfo::TPtr resourcesDomain = context.SS->SubDomains.at(resourcesDomainId); 
+        if (resourcesDomainId) {
+            TSubDomainInfo::TPtr resourcesDomain = context.SS->SubDomains.at(resourcesDomainId);
             TTabletId sharedHive = context.SS->GetGlobalHive(context.Ctx);
             if (resourcesDomain->GetTenantHiveID()) {
                 sharedHive = resourcesDomain->GetTenantHiveID();
-            } 
+            }
 
             alter->SetSharedHive(sharedHive);
-        } 
- 
+        }
+
         if (settings.HasDeclaredSchemeQuotas()) {
             alter->SetDeclaredSchemeQuotas(settings.GetDeclaredSchemeQuotas());
         }
@@ -303,16 +303,16 @@ public:
         return result;
     }
 
-    void AbortPropose(TOperationContext&) override { 
-        Y_FAIL("no AbortPropose for TCreateExtSubDomain"); 
-    } 
- 
+    void AbortPropose(TOperationContext&) override {
+        Y_FAIL("no AbortPropose for TCreateExtSubDomain");
+    }
+
     void AbortUnsafe(TTxId forceDropTxId, TOperationContext& context) override {
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TCreateExtSubDomain AbortUnsafe"
                          << ", opId: " << OperationId
                          << ", forceDropId: " << forceDropTxId
-                         << ", at schemeshard: " << context.SS->TabletID()); 
+                         << ", at schemeshard: " << context.SS->TabletID());
 
         context.OnComplete.DoneOperation(OperationId);
     }
@@ -323,12 +323,12 @@ public:
 namespace NKikimr {
 namespace NSchemeShard {
 
-ISubOperationBase::TPtr CreateExtSubDomain(TOperationId id, const TTxTransaction& tx) { 
-    return new TCreateExtSubDomain(id, tx); 
-} 
- 
+ISubOperationBase::TPtr CreateExtSubDomain(TOperationId id, const TTxTransaction& tx) {
+    return new TCreateExtSubDomain(id, tx);
+}
+
 ISubOperationBase::TPtr CreateExtSubDomain(TOperationId id, TTxState::ETxState state) {
-    Y_VERIFY(state != TTxState::Invalid); 
+    Y_VERIFY(state != TTxState::Invalid);
     return new TCreateExtSubDomain(id, state);
 }
 
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_create_indexed_table.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_create_indexed_table.cpp
index 1225d22343..5beb0a8848 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_create_indexed_table.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_create_indexed_table.cpp
@@ -54,10 +54,10 @@ TVector<ISubOperationBase::TPtr> CreateIndexedTable(TOperationId nextId, const T
         }
     }
 
-    if (baseTableDescription.GetIsBackup()) { 
+    if (baseTableDescription.GetIsBackup()) {
         return {CreateReject(nextId, NKikimrScheme::StatusInvalidParameter, "Cannot create table with explicit 'IsBackup' property")};
-    } 
- 
+    }
+
     TSubDomainInfo::TPtr domainInfo = baseTablePath.DomainInfo();
 
     if (sequencesCount > 0 && domainInfo->GetSequenceShards().empty()) {
@@ -81,9 +81,9 @@ TVector<ISubOperationBase::TPtr> CreateIndexedTable(TOperationId nextId, const T
         return {CreateReject(nextId, NKikimrScheme::EStatus::StatusResourceExhausted, msg)};
     }
 
-    if (indexesCount > domainInfo->GetSchemeLimits().MaxTableIndices) { 
+    if (indexesCount > domainInfo->GetSchemeLimits().MaxTableIndices) {
         auto msg = TStringBuilder() << "indexes count has reached maximum value in the table"
-                                    << ", children limit for dir in domain: " << domainInfo->GetSchemeLimits().MaxTableIndices 
+                                    << ", children limit for dir in domain: " << domainInfo->GetSchemeLimits().MaxTableIndices
                                     << ", intention to create new children: " << indexesCount;
         return {CreateReject(nextId, NKikimrScheme::EStatus::StatusResourceExhausted, msg)};
     }
@@ -128,28 +128,28 @@ TVector<ISubOperationBase::TPtr> CreateIndexedTable(TOperationId nextId, const T
             return {CreateReject(nextId, NKikimrScheme::EStatus::StatusInvalidParameter, msg)};
         }
 
-        switch (indexDescription.GetType()) { 
+        switch (indexDescription.GetType()) {
         case NKikimrSchemeOp::EIndexType::EIndexTypeGlobalAsync:
-            if (!context.SS->EnableAsyncIndexes) { 
-                TString msg = TStringBuilder() << "It is not allowed to create async indexes"; 
+            if (!context.SS->EnableAsyncIndexes) {
+                TString msg = TStringBuilder() << "It is not allowed to create async indexes";
                 return {CreateReject(nextId, NKikimrScheme::EStatus::StatusPreconditionFailed, msg)};
-            } else if (baseTableDescription.HasTTLSettings() && !AppData()->FeatureFlags.GetEnableTtlOnAsyncIndexedTables()) { 
-                TString msg = TStringBuilder() << "TTL is not currently supported on tables with async indices"; 
+            } else if (baseTableDescription.HasTTLSettings() && !AppData()->FeatureFlags.GetEnableTtlOnAsyncIndexedTables()) {
+                TString msg = TStringBuilder() << "TTL is not currently supported on tables with async indices";
                 return {CreateReject(nextId, NKikimrScheme::EStatus::StatusPreconditionFailed, msg)};
-            } 
-            break; 
- 
-        default: 
-            break; 
-        } 
- 
+            }
+            break;
+
+        default:
+            break;
+        }
+
         TIndexColumns indexKeys = ExtractInfo(indexDescription);
         if (indexKeys.KeyColumns.empty()) {
             TString msg = TStringBuilder() << "no key colums in index creation config";
             return {CreateReject(nextId, NKikimrScheme::EStatus::StatusInvalidParameter, msg)};
         }
 
-        if (!indexKeys.DataColumns.empty() && !AppData()->FeatureFlags.GetEnableDataColumnForIndexTable()) { 
+        if (!indexKeys.DataColumns.empty() && !AppData()->FeatureFlags.GetEnableDataColumnForIndexTable()) {
             TString msg = TStringBuilder() << "It is not allowed to create index with data column";
             return {CreateReject(nextId, NKikimrScheme::EStatus::StatusPreconditionFailed, msg)};
         }
@@ -216,7 +216,7 @@ TVector<ISubOperationBase::TPtr> CreateIndexedTable(TOperationId nextId, const T
     }
 
     for (auto& column : baseTableDescription.GetColumns()) {
-        if (column.GetNotNull() && !AppData()->FeatureFlags.GetEnableNotNullColumns()) { 
+        if (column.GetNotNull() && !AppData()->FeatureFlags.GetEnableNotNullColumns()) {
             TString msg = TStringBuilder() << "It is not allowed to create not null column";
             return {CreateReject(nextId, NKikimrScheme::EStatus::StatusPreconditionFailed, msg)};
         }
@@ -254,17 +254,17 @@ TVector<ISubOperationBase::TPtr> CreateIndexedTable(TOperationId nextId, const T
         scheme.SetFailOnExist(tx.GetFailOnExist());
 
         scheme.MutableCreateTable()->CopyFrom(baseTableDescription);
-        if (tx.HasAlterUserAttributes()) { 
+        if (tx.HasAlterUserAttributes()) {
             scheme.MutableAlterUserAttributes()->CopyFrom(tx.GetAlterUserAttributes());
-        } 
- 
+        }
+
         result.push_back(CreateNewTable(NextPartId(nextId, result), scheme, sequences));
     }
 
     for (auto& indexDescription: indexedTable.GetIndexDescription()) {
         {
             auto scheme = TransactionTemplate(
-                tx.GetWorkingDir() + "/" + baseTableDescription.GetName(), 
+                tx.GetWorkingDir() + "/" + baseTableDescription.GetName(),
                 NKikimrSchemeOp::EOperationType::ESchemeOpCreateTableIndex);
             scheme.SetFailOnExist(tx.GetFailOnExist());
 
@@ -272,13 +272,13 @@ TVector<ISubOperationBase::TPtr> CreateIndexedTable(TOperationId nextId, const T
             if (!indexDescription.HasType()) {
                 scheme.MutableCreateTableIndex()->SetType(NKikimrSchemeOp::EIndexTypeGlobal);
             }
- 
+
             result.push_back(CreateNewTableIndex(NextPartId(nextId, result), scheme));
         }
 
         {
             auto scheme = TransactionTemplate(
-                tx.GetWorkingDir() + "/" + baseTableDescription.GetName() + "/" + indexDescription.GetName(), 
+                tx.GetWorkingDir() + "/" + baseTableDescription.GetName() + "/" + indexDescription.GetName(),
                 NKikimrSchemeOp::EOperationType::ESchemeOpCreateTable);
             scheme.SetFailOnExist(tx.GetFailOnExist());
 
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_create_kesus.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_create_kesus.cpp
index e47fa4a7bd..c974b72c31 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_create_kesus.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_create_kesus.cpp
@@ -227,9 +227,9 @@ public:
         context.OnComplete.PublishToSchemeBoard(OperationId, parentDir->PathId);
 
         context.SS->ClearDescribePathCaches(path);
-        context.OnComplete.PublishToSchemeBoard(OperationId, pathId); 
- 
-        context.SS->ChangeTxState(db, OperationId, TTxState::Done); 
+        context.OnComplete.PublishToSchemeBoard(OperationId, pathId);
+
+        context.SS->ChangeTxState(db, OperationId, TTxState::Done);
         return true;
     }
 
@@ -251,8 +251,8 @@ public:
 
 
 class TCreateKesus: public TSubOperation {
-    const TOperationId OperationId; 
-    const TTxTransaction Transaction; 
+    const TOperationId OperationId;
+    const TTxTransaction Transaction;
     TTxState::ETxState State = TTxState::Invalid;
 
     TTxState::ETxState NextState() {
@@ -266,8 +266,8 @@ class TCreateKesus: public TSubOperation {
             return TTxState::ConfigureParts;
         case TTxState::ConfigureParts:
             return TTxState::Propose;
-        case TTxState::Propose: 
-            return TTxState::Done; 
+        case TTxState::Propose:
+            return TTxState::Done;
         default:
             return TTxState::Invalid;
         }
@@ -283,7 +283,7 @@ class TCreateKesus: public TSubOperation {
             return THolder(new TConfigureParts(OperationId));
         case TTxState::Propose:
             return THolder(new TPropose(OperationId));
-        case TTxState::Done: 
+        case TTxState::Done:
             return THolder(new TDone(OperationId));
         default:
             return nullptr;
@@ -300,11 +300,11 @@ class TCreateKesus: public TSubOperation {
     }
 
 public:
-    TCreateKesus(TOperationId id, const TTxTransaction& tx) 
+    TCreateKesus(TOperationId id, const TTxTransaction& tx)
         : OperationId(id)
-        , Transaction(tx) 
-    { 
-    } 
+        , Transaction(tx)
+    {
+    }
 
     TCreateKesus(TOperationId id, TTxState::ETxState state)
         : OperationId(id)
@@ -317,10 +317,10 @@ public:
         const TTabletId ssId = context.SS->SelfTabletId();
 
         const auto acceptExisted = !Transaction.GetFailOnExist();
-        const auto& config = Transaction.GetKesus().GetConfig(); 
+        const auto& config = Transaction.GetKesus().GetConfig();
 
-        const TString& parentPathStr = Transaction.GetWorkingDir(); 
-        const TString& name = Transaction.GetKesus().GetName(); 
+        const TString& parentPathStr = Transaction.GetWorkingDir();
+        const TString& name = Transaction.GetKesus().GetName();
 
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TCreateKesus Propose"
@@ -331,7 +331,7 @@ public:
         TEvSchemeShard::EStatus status = NKikimrScheme::StatusAccepted;
         auto result = MakeHolder<TProposeResponse>(status, ui64(OperationId.GetTxId()), ui64(ssId));
 
-        TString errStr; 
+        TString errStr;
         if (!ValidateConfig(config, status, errStr)) {
             result->SetError(status, errStr);
             return result;
@@ -358,20 +358,20 @@ public:
             }
         }
 
-        const TString acl = Transaction.GetModifyACL().GetDiffACL(); 
- 
+        const TString acl = Transaction.GetModifyACL().GetDiffACL();
+
         NSchemeShard::TPath dstPath = parentPath.Child(name);
         {
             NSchemeShard::TPath::TChecker checks = dstPath.Check();
             checks.IsAtLocalSchemeShard();
             if (dstPath.IsResolved()) {
-                checks 
-                    .IsResolved() 
+                checks
+                    .IsResolved()
                     .NotUnderDeleting()
                     .FailOnExist(TPathElement::EPathType::EPathTypeKesus, acceptExisted);
             } else {
-                checks 
-                    .NotEmpty() 
+                checks
+                    .NotEmpty()
                     .NotResolved();
             }
 
@@ -382,8 +382,8 @@ public:
                     .PathsLimit()
                     .DirChildrenLimit()
                     .ShardsLimit()
-                    .PathShardsLimit() 
-                    .IsValidACL(acl); 
+                    .PathShardsLimit()
+                    .IsValidACL(acl);
             }
 
             if (!checks) {
@@ -407,7 +407,7 @@ public:
             return result;
         }
 
-        if (!context.SS->CheckApplyIf(Transaction, errStr)) { 
+        if (!context.SS->CheckApplyIf(Transaction, errStr)) {
             result->SetError(NKikimrScheme::StatusPreconditionFailed, errStr);
             return result;
         }
@@ -442,16 +442,16 @@ public:
         return result;
     }
 
-    void AbortPropose(TOperationContext&) override { 
-        Y_FAIL("no AbortPropose for TCreateKesus"); 
-    } 
- 
+    void AbortPropose(TOperationContext&) override {
+        Y_FAIL("no AbortPropose for TCreateKesus");
+    }
+
     void AbortUnsafe(TTxId forceDropTxId, TOperationContext& context) override {
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TCreateKesus AbortUnsafe"
                          << ", opId: " << OperationId
                          << ", forceDropId: " << forceDropTxId
-                         << ", at schemeshard: " << context.SS->TabletID()); 
+                         << ", at schemeshard: " << context.SS->TabletID());
 
         context.OnComplete.DoneOperation(OperationId);
     }
@@ -462,12 +462,12 @@ public:
 namespace NKikimr {
 namespace NSchemeShard {
 
-ISubOperationBase::TPtr CreateNewKesus(TOperationId id, const TTxTransaction& tx) { 
-    return new TCreateKesus(id, tx); 
-} 
- 
+ISubOperationBase::TPtr CreateNewKesus(TOperationId id, const TTxTransaction& tx) {
+    return new TCreateKesus(id, tx);
+}
+
 ISubOperationBase::TPtr CreateNewKesus(TOperationId id, TTxState::ETxState state) {
-    Y_VERIFY(state != TTxState::Invalid); 
+    Y_VERIFY(state != TTxState::Invalid);
     return new TCreateKesus(id, state);
 }
 
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_create_lock.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_create_lock.cpp
index 7654bf7d81..16ff55eaa6 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_create_lock.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_create_lock.cpp
@@ -187,12 +187,12 @@ public:
         result->SetPathId(pathId.LocalPathId);
 
         TTableInfo::TPtr tableInfo = context.SS->Tables.at(tablePath.Base()->PathId);
- 
-        if (tableInfo->IsTTLEnabled()) { 
-            if (indexSchema.GetType() == NKikimrSchemeOp::EIndexTypeGlobalAsync && !AppData()->FeatureFlags.GetEnableTtlOnAsyncIndexedTables()) { 
+
+        if (tableInfo->IsTTLEnabled()) {
+            if (indexSchema.GetType() == NKikimrSchemeOp::EIndexTypeGlobalAsync && !AppData()->FeatureFlags.GetEnableTtlOnAsyncIndexedTables()) {
                 result->SetError(NKikimrScheme::StatusPreconditionFailed, "Async indexes are not currently supported on tables with TTL");
-                return result; 
-            } 
+                return result;
+            }
         }
 
         if (tablePath.Base()->GetAliveChildren() + 1 > tablePath.DomainInfo()->GetSchemeLimits().MaxTableIndices) {
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_create_olap_store.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_create_olap_store.cpp
index 37bce50203..a3e6896b6f 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_create_olap_store.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_create_olap_store.cpp
@@ -670,7 +670,7 @@ public:
             return result;
         }
 
-        if (!AppData()->FeatureFlags.GetEnableOlapSchemaOperations()) { 
+        if (!AppData()->FeatureFlags.GetEnableOlapSchemaOperations()) {
             result->SetError(NKikimrScheme::StatusPreconditionFailed,
                 "Olap schema operations are not supported");
             return result;
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_create_olap_table.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_create_olap_table.cpp
index 111327dc3b..09f556c655 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_create_olap_table.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_create_olap_table.cpp
@@ -15,7 +15,7 @@ namespace {
 
 TOlapTableInfo::TPtr CreateOlapTable(
         const NKikimrSchemeOp::TColumnTableDescription& opSrc,
-        TOlapStoreInfo::TPtr storeInfo, const TSubDomainInfo& subDomain, 
+        TOlapStoreInfo::TPtr storeInfo, const TSubDomainInfo& subDomain,
         TEvSchemeShard::EStatus& status, TString& errStr,
         TSchemeShard* ss)
 {
@@ -760,13 +760,13 @@ public:
             }
         }
 
-        if (!AppData()->FeatureFlags.GetEnableOlapSchemaOperations()) { 
+        if (!AppData()->FeatureFlags.GetEnableOlapSchemaOperations()) {
             result->SetError(NKikimrScheme::StatusPreconditionFailed,
                 "Olap schema operations are not supported");
             return result;
         }
 
-        TOlapTableInfo::TPtr tableInfo = CreateOlapTable(createDescription, storeInfo, *parentPath.DomainInfo(), status, errStr, context.SS); 
+        TOlapTableInfo::TPtr tableInfo = CreateOlapTable(createDescription, storeInfo, *parentPath.DomainInfo(), status, errStr, context.SS);
         if (!tableInfo) {
             result->SetError(status, errStr);
             return result;
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_create_pq.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_create_pq.cpp
index 3a3d503759..992fd3175c 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_create_pq.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_create_pq.cpp
@@ -45,12 +45,12 @@ TPersQueueGroupInfo::TPtr CreatePersQueueGroup(TOperationContext& context,
         return nullptr;
     }
 
-    if (!op.HasPQTabletConfig()) { 
+    if (!op.HasPQTabletConfig()) {
         status = NKikimrScheme::StatusSchemeError;
-        errStr = Sprintf("No PQTabletConfig specified"); 
-        return nullptr; 
-    } 
- 
+        errStr = Sprintf("No PQTabletConfig specified");
+        return nullptr;
+    }
+
     if ((ui32)op.GetPQTabletConfig().GetPartitionConfig().GetWriteSpeedInBytesPerSecond() > TSchemeShard::MaxPQWriteSpeedPerPartition) {
         status = NKikimrScheme::StatusInvalidParameter;
         errStr = TStringBuilder()
@@ -67,56 +67,56 @@ TPersQueueGroupInfo::TPtr CreatePersQueueGroup(TOperationContext& context,
         return nullptr;
     }
 
-    if (op.GetPQTabletConfig().PartitionKeySchemaSize()) { 
-        if (op.PartitionBoundariesSize() != (partitionCount - 1)) { 
+    if (op.GetPQTabletConfig().PartitionKeySchemaSize()) {
+        if (op.PartitionBoundariesSize() != (partitionCount - 1)) {
             status = NKikimrScheme::StatusInvalidParameter;
-            errStr = Sprintf("Partition count and partition boundaries size mismatch: %lu, %u", 
-                op.PartitionBoundariesSize(), partitionCount); 
-            return nullptr; 
-        } 
- 
-        TString error; 
-        if (!pqGroupInfo->FillKeySchema(op.GetPQTabletConfig(), error)) { 
+            errStr = Sprintf("Partition count and partition boundaries size mismatch: %lu, %u",
+                op.PartitionBoundariesSize(), partitionCount);
+            return nullptr;
+        }
+
+        TString error;
+        if (!pqGroupInfo->FillKeySchema(op.GetPQTabletConfig(), error)) {
             status = NKikimrScheme::StatusSchemeError;
-            errStr = Sprintf("Invalid key schema: %s", error.data()); 
-            return nullptr; 
-        } 
-    } else { 
-        if (op.PartitionBoundariesSize()) { 
+            errStr = Sprintf("Invalid key schema: %s", error.data());
+            return nullptr;
+        }
+    } else {
+        if (op.PartitionBoundariesSize()) {
             status = NKikimrScheme::StatusInvalidParameter;
-            errStr = "Missing key schema with specified partition boundaries"; 
-            return nullptr; 
-        } 
-    } 
- 
-    TString prevBound; 
+            errStr = "Missing key schema with specified partition boundaries";
+            return nullptr;
+        }
+    }
+
+    TString prevBound;
     for (ui32 i = 0; i < partitionCount; ++i) {
-        using TKeyRange = TPQShardInfo::TKeyRange; 
-        TMaybe<TKeyRange> keyRange; 
- 
-        if (op.PartitionBoundariesSize()) { 
-            keyRange.ConstructInPlace(); 
- 
-            if (i) { 
-                keyRange->FromBound = prevBound; 
-            } 
- 
-            if (i != (partitionCount - 1)) { 
-                TVector<TCell> cells; 
-                TString error; 
-                if (!NMiniKQL::CellsFromTuple(nullptr, op.GetPartitionBoundaries(i), pqGroupInfo->KeySchema, false, cells, error)) { 
+        using TKeyRange = TPQShardInfo::TKeyRange;
+        TMaybe<TKeyRange> keyRange;
+
+        if (op.PartitionBoundariesSize()) {
+            keyRange.ConstructInPlace();
+
+            if (i) {
+                keyRange->FromBound = prevBound;
+            }
+
+            if (i != (partitionCount - 1)) {
+                TVector<TCell> cells;
+                TString error;
+                if (!NMiniKQL::CellsFromTuple(nullptr, op.GetPartitionBoundaries(i), pqGroupInfo->KeySchema, false, cells, error)) {
                     status = NKikimrScheme::StatusSchemeError;
-                    errStr = Sprintf("Invalid partition boundary at position: %u, error: %s", i, error.data()); 
-                    return nullptr; 
-                } 
- 
-                cells.resize(pqGroupInfo->KeySchema.size()); // Extend with NULLs 
-                keyRange->ToBound = TSerializedCellVec::Serialize(cells); 
-                prevBound = *keyRange->ToBound; 
-            } 
-        } 
- 
-        pqGroupInfo->PartitionsToAdd.emplace(i, i + 1, keyRange); 
+                    errStr = Sprintf("Invalid partition boundary at position: %u, error: %s", i, error.data());
+                    return nullptr;
+                }
+
+                cells.resize(pqGroupInfo->KeySchema.size()); // Extend with NULLs
+                keyRange->ToBound = TSerializedCellVec::Serialize(cells);
+                prevBound = *keyRange->ToBound;
+            }
+        }
+
+        pqGroupInfo->PartitionsToAdd.emplace(i, i + 1, keyRange);
     }
 
     if (partsPerTablet == 0 || partsPerTablet > TSchemeShard::MaxPQTabletPartitionsCount) {
@@ -139,7 +139,7 @@ TPersQueueGroupInfo::TPtr CreatePersQueueGroup(TOperationContext& context,
     }
 
     NKikimrPQ::TPQTabletConfig tabletConfig = op.GetPQTabletConfig();
-    tabletConfig.ClearPartitionIds(); 
+    tabletConfig.ClearPartitionIds();
     tabletConfig.ClearPartitions();
 
     if (!CheckPersQueueConfig(tabletConfig, false, &errStr)) {
@@ -165,10 +165,10 @@ TPersQueueGroupInfo::TPtr CreatePersQueueGroup(TOperationContext& context,
 
     Y_PROTOBUF_SUPPRESS_NODISCARD tabletConfig.SerializeToString(&pqGroupInfo->TabletConfig);
 
-    if (op.HasBootstrapConfig()) { 
-        Y_PROTOBUF_SUPPRESS_NODISCARD op.GetBootstrapConfig().SerializeToString(&pqGroupInfo->BootstrapConfig); 
-    } 
- 
+    if (op.HasBootstrapConfig()) {
+        Y_PROTOBUF_SUPPRESS_NODISCARD op.GetBootstrapConfig().SerializeToString(&pqGroupInfo->BootstrapConfig);
+    }
+
     return pqGroupInfo;
 }
 
@@ -209,9 +209,9 @@ void ApplySharding(TTxId txId,
         TPQShardInfo::TPtr pqShard = pqGroup->Shards[idx];
 
         TPQShardInfo::TPersQueueInfo pqInfo;
-        pqInfo.PqId = it->PartitionId; 
-        pqInfo.GroupId = it->GroupId; 
-        pqInfo.KeyRange = it->KeyRange; 
+        pqInfo.PqId = it->PartitionId;
+        pqInfo.GroupId = it->GroupId;
+        pqInfo.KeyRange = it->KeyRange;
         pqInfo.AlterVersion = 1;
         pqShard->PQInfos.push_back(pqInfo);
     }
@@ -219,8 +219,8 @@ void ApplySharding(TTxId txId,
 
 
 class TCreatePQ: public TSubOperation {
-    const TOperationId OperationId; 
-    const TTxTransaction Transaction; 
+    const TOperationId OperationId;
+    const TTxTransaction Transaction;
     TTxState::ETxState State = TTxState::Invalid;
 
     TTxState::ETxState NextState() {
@@ -234,8 +234,8 @@ class TCreatePQ: public TSubOperation {
             return TTxState::ConfigureParts;
         case TTxState::ConfigureParts:
             return TTxState::Propose;
-        case TTxState::Propose: 
-            return TTxState::Done; 
+        case TTxState::Propose:
+            return TTxState::Done;
         default:
             return TTxState::Invalid;
         }
@@ -251,7 +251,7 @@ class TCreatePQ: public TSubOperation {
             return THolder(new NPQState::TConfigureParts(OperationId));
         case TTxState::Propose:
             return THolder(new NPQState::TPropose(OperationId));
-        case TTxState::Done: 
+        case TTxState::Done:
             return THolder(new TDone(OperationId));
         default:
             return nullptr;
@@ -268,11 +268,11 @@ class TCreatePQ: public TSubOperation {
     }
 
 public:
-    TCreatePQ(TOperationId id, const TTxTransaction& tx) 
+    TCreatePQ(TOperationId id, const TTxTransaction& tx)
         : OperationId(id)
-        , Transaction(tx) 
-    { 
-    } 
+        , Transaction(tx)
+    {
+    }
 
     TCreatePQ(TOperationId id, TTxState::ETxState state)
         : OperationId(id)
@@ -285,14 +285,14 @@ public:
         const TTabletId ssId = context.SS->SelfTabletId();
 
         const auto acceptExisted = !Transaction.GetFailOnExist();
-        const auto& createDEscription = Transaction.GetCreatePersQueueGroup(); 
+        const auto& createDEscription = Transaction.GetCreatePersQueueGroup();
 
-        const TString& parentPathStr = Transaction.GetWorkingDir(); 
+        const TString& parentPathStr = Transaction.GetWorkingDir();
         const TString& name = createDEscription.GetName();
 
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TCreatePQ Propose"
-                         << ", path: " << parentPathStr << "/" << name 
+                         << ", path: " << parentPathStr << "/" << name
                          << ", opId: " << OperationId
                          << ", at schemeshard: " << ssId);
 
@@ -307,20 +307,20 @@ public:
                 .IsAtLocalSchemeShard()
                 .IsResolved()
                 .NotDeleted()
-                .NotUnderDeleting(); 
-
-            if (checks) { 
-                if (parentPath.Base()->IsCdcStream()) { 
-                    checks 
-                        .IsUnderCreating(NKikimrScheme::StatusNameConflict) 
-                        .IsUnderTheSameOperation(OperationId.GetTxId()); 
-                } else { 
-                    checks 
-                        .IsCommonSensePath() 
-                        .IsLikeDirectory(); 
-                } 
-            } 
- 
+                .NotUnderDeleting();
+
+            if (checks) {
+                if (parentPath.Base()->IsCdcStream()) {
+                    checks
+                        .IsUnderCreating(NKikimrScheme::StatusNameConflict)
+                        .IsUnderTheSameOperation(OperationId.GetTxId());
+                } else {
+                    checks
+                        .IsCommonSensePath()
+                        .IsLikeDirectory();
+                }
+            }
+
             if (!checks) {
                 TString explain = TStringBuilder() << "parent path fail checks"
                                                    << ", path: " << parentPath.PathString();
@@ -330,20 +330,20 @@ public:
             }
         }
 
-        const TString acl = Transaction.GetModifyACL().GetDiffACL(); 
- 
+        const TString acl = Transaction.GetModifyACL().GetDiffACL();
+
         NSchemeShard::TPath dstPath = parentPath.Child(name);
         {
             NSchemeShard::TPath::TChecker checks = dstPath.Check();
             checks.IsAtLocalSchemeShard();
             if (dstPath.IsResolved()) {
-                checks 
-                    .IsResolved() 
+                checks
+                    .IsResolved()
                     .NotUnderDeleting()
                     .FailOnExist(TPathElement::EPathType::EPathTypePersQueueGroup, acceptExisted);
             } else {
-                checks 
-                    .NotEmpty() 
+                checks
+                    .NotEmpty()
                     .NotResolved();
             }
 
@@ -352,8 +352,8 @@ public:
                     .IsValidLeafName()
                     .DepthLimit()
                     .PathsLimit()
-                    .DirChildrenLimit() 
-                    .IsValidACL(acl); 
+                    .DirChildrenLimit()
+                    .IsValidACL(acl);
             }
 
             if (!checks) {
@@ -369,9 +369,9 @@ public:
             }
         }
 
-        TString errStr; 
- 
-        if (!context.SS->CheckApplyIf(Transaction, errStr)) { 
+        TString errStr;
+
+        if (!context.SS->CheckApplyIf(Transaction, errStr)) {
             result->SetError(NKikimrScheme::StatusPreconditionFailed, errStr);
             return result;
         }
@@ -481,7 +481,7 @@ public:
         for (auto& shard : pqGroup->Shards) {
             auto shardIdx = shard.first;
             for (const auto& pqInfo : shard.second->PQInfos) {
-                context.SS->PersistPersQueue(db, pathId, shardIdx, pqInfo); 
+                context.SS->PersistPersQueue(db, pathId, shardIdx, pqInfo);
             }
         }
 
@@ -520,7 +520,7 @@ public:
         context.SS->PersistTxState(db, OperationId);
 
         context.SS->PersistPath(db, dstPath.Base()->PathId);
- 
+
         if (!acl.empty()) {
             dstPath.Base()->ApplyACL(acl);
             context.SS->PersistACL(db, dstPath.Base());
@@ -555,16 +555,16 @@ public:
         return result;
     }
 
-    void AbortPropose(TOperationContext&) override { 
-        Y_FAIL("no AbortPropose for TCreatePQ"); 
-    } 
- 
+    void AbortPropose(TOperationContext&) override {
+        Y_FAIL("no AbortPropose for TCreatePQ");
+    }
+
     void AbortUnsafe(TTxId forceDropTxId, TOperationContext& context) override {
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TCreatePQ AbortUnsafe"
                          << ", opId: " << OperationId
                          << ", forceDropId: " << forceDropTxId
-                         << ", at schemeshard: " << context.SS->TabletID()); 
+                         << ", at schemeshard: " << context.SS->TabletID());
 
         context.OnComplete.DoneOperation(OperationId);
     }
@@ -575,12 +575,12 @@ public:
 namespace NKikimr {
 namespace NSchemeShard {
 
-ISubOperationBase::TPtr CreateNewPQ(TOperationId id, const TTxTransaction& tx) { 
-    return new TCreatePQ(id, tx); 
-} 
- 
+ISubOperationBase::TPtr CreateNewPQ(TOperationId id, const TTxTransaction& tx) {
+    return new TCreatePQ(id, tx);
+}
+
 ISubOperationBase::TPtr CreateNewPQ(TOperationId id, TTxState::ETxState state) {
-    Y_VERIFY(state != TTxState::Invalid); 
+    Y_VERIFY(state != TTxState::Invalid);
     return new TCreatePQ(id, state);
 }
 
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_create_replication.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_create_replication.cpp
index 03a5b220b6..c6458f7aa5 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_create_replication.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_create_replication.cpp
@@ -1,476 +1,476 @@
-#include "schemeshard__operation_part.h" 
-#include "schemeshard__operation_common.h" 
-#include "schemeshard_impl.h" 
- 
-#include <ydb/core/tx/replication/controller/public_events.h> 
- 
-#define LOG_D(stream) LOG_DEBUG_S (context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "[" << context.SS->TabletID() << "] " << stream) 
-#define LOG_I(stream) LOG_INFO_S  (context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "[" << context.SS->TabletID() << "] " << stream) 
-#define LOG_N(stream) LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "[" << context.SS->TabletID() << "] " << stream) 
-#define LOG_W(stream) LOG_WARN_S  (context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "[" << context.SS->TabletID() << "] " << stream) 
- 
-namespace NKikimr { 
-namespace NSchemeShard { 
- 
-namespace { 
- 
-class TConfigureParts: public TSubOperationState { 
-    TString DebugHint() const override { 
-        return TStringBuilder() 
-            << "TCreateReplication TConfigureParts" 
-            << " opId# " << OperationId << " "; 
-    } 
- 
-public: 
-    explicit TConfigureParts(TOperationId id) 
-        : OperationId(id) 
-    { 
-        IgnoreMessages(DebugHint(), { 
-            TEvHive::TEvCreateTabletReply::EventType, 
-        }); 
-    } 
- 
-    bool ProgressState(TOperationContext& context) override { 
-        LOG_I(DebugHint() << "ProgressState"); 
- 
-        auto* txState = context.SS->FindTx(OperationId); 
-        Y_VERIFY(txState); 
-        Y_VERIFY(txState->TxType == TTxState::TxCreateReplication); 
-        const auto& pathId = txState->TargetPathId; 
- 
-        Y_VERIFY(context.SS->Replications.contains(pathId)); 
-        auto alterData = context.SS->Replications.at(pathId)->AlterData; 
-        Y_VERIFY(alterData); 
- 
-        txState->ClearShardsInProgress(); 
- 
-        for (const auto& shard : txState->Shards) { 
-            Y_VERIFY(shard.TabletType == ETabletType::ReplicationController); 
- 
-            Y_VERIFY(context.SS->ShardInfos.contains(shard.Idx)); 
-            const auto tabletId = context.SS->ShardInfos.at(shard.Idx).TabletID; 
- 
-            if (tabletId == InvalidTabletId) { 
-                LOG_D(DebugHint() << "Shard is not created yet" 
-                    << ": shardIdx# " << shard.Idx); 
-                context.OnComplete.WaitShardCreated(shard.Idx, OperationId); 
-            } else { 
-                auto ev = MakeHolder<NReplication::TEvController::TEvCreateReplication>(); 
-                PathIdFromPathId(pathId, ev->Record.MutablePathId()); 
-                ev->Record.MutableOperationId()->SetTxId(ui64(OperationId.GetTxId())); 
-                ev->Record.MutableOperationId()->SetPartId(ui32(OperationId.GetSubTxId())); 
-                ev->Record.MutableConfig()->CopyFrom(alterData->Description.GetConfig()); 
- 
-                LOG_D(DebugHint() << "Send TEvCreateReplication to controller" 
-                    << ": tabletId# " << tabletId 
-                    << ", ev# " << ev->ToString()); 
-                context.OnComplete.BindMsgToPipe(OperationId, tabletId, pathId, ev.Release()); 
-            } 
- 
-            txState->ShardsInProgress.insert(shard.Idx); 
-        } 
- 
-        return false; 
-    } 
- 
-    bool HandleReply(NReplication::TEvController::TEvCreateReplicationResult::TPtr& ev, TOperationContext& context) override { 
-        LOG_I(DebugHint() << "HandleReply " << ev->Get()->ToString()); 
- 
-        const auto tabletId = TTabletId(ev->Get()->Record.GetOrigin()); 
-        const auto status = ev->Get()->Record.GetStatus(); 
- 
-        switch (status) { 
-        case NKikimrReplication::TEvCreateReplicationResult::SUCCESS: 
-        case NKikimrReplication::TEvCreateReplicationResult::ALREADY_EXISTS: 
-            break; 
-        default: 
-            LOG_W(DebugHint() << "Ignoring unexpected TEvCreateReplicationResult" 
-                << " tabletId# " << tabletId 
-                << " status# " << static_cast<int>(status)); 
-            return false; 
-        } 
- 
-        auto* txState = context.SS->FindTx(OperationId); 
-        Y_VERIFY(txState); 
-        Y_VERIFY(txState->TxType == TTxState::TxCreateReplication); 
-        Y_VERIFY(txState->State == TTxState::ConfigureParts); 
- 
-        const auto shardIdx = context.SS->MustGetShardIdx(tabletId); 
-        if (!txState->ShardsInProgress.erase(shardIdx)) { 
-            LOG_W(DebugHint() << "Ignoring duplicate TEvCreateReplicationResult"); 
-            return false; 
-        } 
- 
-        context.OnComplete.UnbindMsgFromPipe(OperationId, tabletId, txState->TargetPathId); 
- 
-        if (!txState->ShardsInProgress.empty()) { 
-            return false; 
-        } 
- 
-        NIceDb::TNiceDb db(context.Txc.DB); 
-        context.SS->ChangeTxState(db, OperationId, TTxState::Propose); 
-        context.OnComplete.ActivateTx(OperationId); 
- 
-        return true; 
-    } 
- 
-private: 
-    const TOperationId OperationId; 
- 
-}; // TConfigureParts 
- 
-class TPropose: public TSubOperationState { 
-    TString DebugHint() const override { 
-        return TStringBuilder() 
-            << "TCreateReplication TPropose" 
-            << " opId# " << OperationId << " "; 
-    } 
- 
-public: 
-    explicit TPropose(TOperationId id) 
-        : OperationId(id) 
-    { 
-        IgnoreMessages(DebugHint(), { 
-            TEvHive::TEvCreateTabletReply::EventType, 
-            NReplication::TEvController::TEvCreateReplicationResult::EventType, 
-        }); 
-    } 
- 
-    bool ProgressState(TOperationContext& context) override { 
-        LOG_I(DebugHint() << "ProgressState"); 
- 
-        const auto* txState = context.SS->FindTx(OperationId); 
-        Y_VERIFY(txState); 
-        Y_VERIFY(txState->TxType == TTxState::TxCreateReplication); 
- 
-        context.OnComplete.ProposeToCoordinator(OperationId, txState->TargetPathId, TStepId(0)); 
-        return false; 
-    } 
- 
-    bool HandleReply(TEvPrivate::TEvOperationPlan::TPtr& ev, TOperationContext& context) override { 
-        const auto step = TStepId(ev->Get()->StepId); 
- 
-        LOG_I(DebugHint() << "HandleReply TEvOperationPlan" 
-            << ": step# " << step); 
- 
-        const auto* txState = context.SS->FindTx(OperationId); 
-        Y_VERIFY(txState); 
-        Y_VERIFY(txState->TxType == TTxState::TxCreateReplication); 
-        const auto& pathId = txState->TargetPathId; 
- 
-        Y_VERIFY(context.SS->PathsById.contains(pathId)); 
-        auto path = context.SS->PathsById.at(pathId); 
- 
-        Y_VERIFY(context.SS->Replications.contains(pathId)); 
-        auto replication = context.SS->Replications.at(pathId); 
- 
-        auto alterData = replication->AlterData; 
-        Y_VERIFY(alterData); 
- 
-        NIceDb::TNiceDb db(context.Txc.DB); 
- 
-        path->StepCreated = step; 
-        context.SS->PersistCreateStep(db, pathId, step); 
- 
-        context.SS->Replications[pathId] = alterData; 
-        context.SS->PersistReplicationAlterRemove(db, pathId); 
-        context.SS->PersistReplication(db, pathId, *alterData); 
- 
-        Y_VERIFY(context.SS->PathsById.contains(path->ParentPathId)); 
-        auto parentPath = context.SS->PathsById.at(path->ParentPathId); 
- 
-        ++parentPath->DirAlterVersion; 
-        context.SS->PersistPathDirAlterVersion(db, parentPath); 
- 
-        context.SS->ClearDescribePathCaches(parentPath); 
-        context.OnComplete.PublishToSchemeBoard(OperationId, parentPath->PathId); 
- 
-        context.SS->ClearDescribePathCaches(path); 
-        context.OnComplete.PublishToSchemeBoard(OperationId, pathId); 
- 
-        context.SS->ChangeTxState(db, OperationId, TTxState::Done); 
-        return true; 
-    } 
- 
-private: 
-   const TOperationId OperationId; 
- 
-}; // TPropose 
- 
-class TCreateReplication: public TSubOperation { 
-    static TTxState::ETxState NextState() { 
-        return TTxState::CreateParts; 
-    } 
- 
-    static TTxState::ETxState NextState(TTxState::ETxState state) { 
-        switch (state) { 
-        case TTxState::Waiting: 
-        case TTxState::CreateParts: 
-            return TTxState::ConfigureParts; 
-        case TTxState::ConfigureParts: 
-            return TTxState::Propose; 
-        case TTxState::Propose: 
-            return TTxState::Done; 
-        default: 
-            return TTxState::Invalid; 
-        } 
-    } 
- 
-    TSubOperationState::TPtr SelectStateFunc(TTxState::ETxState state) { 
-        switch (state) { 
-        case TTxState::Waiting: 
-        case TTxState::CreateParts: 
-            return MakeHolder<TCreateParts>(OperationId); 
-        case TTxState::ConfigureParts: 
-            return MakeHolder<TConfigureParts>(OperationId); 
-        case TTxState::Propose: 
-            return MakeHolder<TPropose>(OperationId); 
-        case TTxState::Done: 
-            return MakeHolder<TDone>(OperationId); 
-        default: 
-            return nullptr; 
-        } 
-    } 
- 
-    void StateDone(TOperationContext& context) override { 
-        State = NextState(State); 
- 
-        if (State != TTxState::Invalid) { 
-            SetState(SelectStateFunc(State)); 
-            context.OnComplete.ActivateTx(OperationId); 
-        } 
-    } 
- 
-public: 
-    explicit TCreateReplication(TOperationId id, const TTxTransaction& tx) 
-        : OperationId(id) 
-        , Transaction(tx) 
-        , State(TTxState::Invalid) 
-    { 
-    } 
- 
-    explicit TCreateReplication(TOperationId id, TTxState::ETxState state) 
-        : OperationId(id) 
-        , State(state) 
-    { 
-        SetState(SelectStateFunc(state)); 
-    } 
- 
-    THolder<TProposeResponse> Propose(const TString& owner, TOperationContext& context) override { 
-        const auto& workingDir = Transaction.GetWorkingDir(); 
-        auto desc = Transaction.GetReplication(); 
-        const auto& name = desc.GetName(); 
-        const auto& acl = Transaction.GetModifyACL().GetDiffACL(); 
-        const auto acceptExisted = !Transaction.GetFailOnExist(); 
- 
-        LOG_N("TCreateReplication Propose" 
-            << ": opId# " << OperationId 
-            << ", path# " << workingDir << "/" << name); 
- 
-        auto result = MakeHolder<TProposeResponse>(NKikimrScheme::StatusAccepted, ui64(OperationId.GetTxId()), ui64(context.SS->SelfTabletId())); 
- 
-        const auto parentPath = TPath::Resolve(workingDir, context.SS); 
-        { 
-            const auto checks = parentPath.Check(); 
-            checks 
-                .NotEmpty() 
-                .NotUnderDomainUpgrade() 
-                .IsAtLocalSchemeShard() 
-                .IsResolved() 
-                .NotDeleted() 
-                .NotUnderDeleting() 
-                .IsCommonSensePath() 
-                .IsLikeDirectory(); 
- 
-            if (!checks) { 
-                TString explain = TStringBuilder() << "parent path checks failed, path: " << parentPath.PathString(); 
-                const auto status = checks.GetStatus(&explain); 
-                result->SetError(status, explain); 
- 
-                return result; 
-            } 
-        } 
- 
-        const auto domainId = parentPath.DomainId(); 
-        auto domainInfo = parentPath.DomainInfo(); 
-        const ui64 shardsToCreate = domainInfo->GetReplicationControllers().empty(); 
- 
-        auto path = parentPath.Child(name); 
-        { 
-            const auto checks = path.Check(); 
-            checks 
-                .IsAtLocalSchemeShard(); 
- 
-            if (path.IsResolved()) { 
-                checks 
-                    .IsResolved() 
-                    .NotUnderDeleting() 
-                    .FailOnExist(TPathElement::EPathType::EPathTypeReplication, acceptExisted); 
-            } else { 
-                checks 
-                    .NotEmpty() 
-                    .NotResolved(); 
-            } 
- 
-            if (checks) { 
-                checks 
-                    .IsValidLeafName() 
-                    .DepthLimit() 
-                    .PathsLimit() 
-                    .DirChildrenLimit() 
-                    .ShardsLimit(shardsToCreate) 
-                    .IsValidACL(acl); 
-            } 
- 
-            if (!checks) { 
-                TString explain = TStringBuilder() << "path checks failed, path: " << path.PathString(); 
-                const auto status = checks.GetStatus(&explain); 
-                result->SetError(status, explain); 
-                if (path.IsResolved()) { 
-                    result->SetPathCreateTxId(ui64(path->CreateTxId)); 
-                    result->SetPathId(path->PathId.LocalPathId); 
-                } 
- 
-                return result; 
-            } 
-        } 
- 
-        TString errStr; 
-        if (!context.SS->CheckApplyIf(Transaction, errStr)) { 
-            result->SetError(NKikimrScheme::StatusPreconditionFailed, errStr); 
-            return result; 
-        } 
- 
-        TChannelsBindings channelsBindings; 
-        if (shardsToCreate) { 
-            if (!context.SS->ResolveTabletChannels(0, domainId, channelsBindings)) { 
-                result->SetError(NKikimrScheme::StatusInvalidParameter, 
-                    "Unable to construct channel binding for replication controller with the storage pool"); 
-                return result; 
-            } 
-        } 
- 
-        path.MaterializeLeaf(owner); 
-        path->CreateTxId = OperationId.GetTxId(); 
-        path->LastTxId = OperationId.GetTxId(); 
-        path->PathState = TPathElement::EPathState::EPathStateCreate; 
-        path->PathType = TPathElement::EPathType::EPathTypeReplication; 
-        result->SetPathId(path->PathId.LocalPathId); 
- 
-        context.SS->IncrementPathDbRefCount(path->PathId); 
-        parentPath->IncAliveChildren(); 
-        domainInfo->IncPathsInside(); 
-        context.SS->TabletCounters->Simple()[COUNTER_REPLICATION_COUNT].Add(1); 
- 
-        Y_VERIFY(!context.SS->FindTx(OperationId)); 
-        auto& txState = context.SS->CreateTx(OperationId, TTxState::TxCreateReplication, path->PathId); 
- 
-        if (shardsToCreate) { 
-            const auto shardIdx = context.SS->RegisterShardInfo( 
-                TShardInfo::ReplicationControllerInfo(OperationId.GetTxId(), domainId) 
-                    .WithBindedChannels(channelsBindings)); 
-            context.SS->TabletCounters->Simple()[COUNTER_REPLICATION_CONTROLLER_COUNT].Add(1); 
- 
-            txState.Shards.emplace_back(shardIdx, ETabletType::ReplicationController, TTxState::CreateParts); 
-            txState.State = TTxState::CreateParts; 
- 
-            Y_VERIFY(context.SS->PathsById.contains(domainId)); 
-            context.SS->PathsById.at(domainId)->IncShardsInside(); 
- 
-            domainInfo->AddInternalShard(shardIdx); 
-            domainInfo->AddReplicationController(shardIdx); 
-        } else { 
-            const auto shardIdx = *domainInfo->GetReplicationControllers().begin(); 
- 
-            txState.Shards.emplace_back(shardIdx, ETabletType::ReplicationController, TTxState::ConfigureParts); 
-            txState.State = TTxState::ConfigureParts; 
- 
-            Y_VERIFY(context.SS->ShardInfos.contains(shardIdx)); 
-            const auto& shardInfo = context.SS->ShardInfos.at(shardIdx); 
- 
-            if (shardInfo.CurrentTxId != OperationId.GetTxId()) { 
-                context.OnComplete.Dependence(shardInfo.CurrentTxId, OperationId.GetTxId()); 
-            } 
-        } 
- 
-        if (parentPath->HasActiveChanges()) { 
-            const auto parentTxId = parentPath->PlannedToCreate() ? parentPath->CreateTxId : parentPath->LastTxId; 
-            context.OnComplete.Dependence(parentTxId, OperationId.GetTxId()); 
-        } 
- 
-        NIceDb::TNiceDb db(context.Txc.DB); 
- 
-        context.SS->PersistPath(db, path->PathId); 
-        if (!acl.empty()) { 
-            path->ApplyACL(acl); 
-            context.SS->PersistACL(db, path.Base()); 
-        } 
- 
-        auto replication = TReplicationInfo::Create(std::move(desc)); 
-        context.SS->Replications[path->PathId] = replication; 
-        context.SS->PersistReplication(db, path->PathId, *replication); 
-        context.SS->PersistReplicationAlter(db, path->PathId, *replication->AlterData); 
- 
-        Y_VERIFY(txState.Shards.size() == 1); 
-        for (const auto& shard : txState.Shards) { 
-            Y_VERIFY(context.SS->ShardInfos.contains(shard.Idx)); 
-            const TShardInfo& shardInfo = context.SS->ShardInfos.at(shard.Idx); 
- 
-            if (shard.Operation == TTxState::CreateParts) { 
-                context.SS->PersistShardMapping(db, shard.Idx, InvalidTabletId, domainId, OperationId.GetTxId(), shard.TabletType); 
-                context.SS->PersistChannelsBinding(db, shard.Idx, shardInfo.BindedChannels); 
-            } 
-        } 
- 
-        context.SS->ChangeTxState(db, OperationId, txState.State); 
-        context.SS->PersistTxState(db, OperationId); 
-        context.SS->PersistUpdateNextPathId(db); 
-        context.SS->PersistUpdateNextShardIdx(db); 
- 
-        ++parentPath->DirAlterVersion; 
-        context.SS->PersistPathDirAlterVersion(db, parentPath.Base()); 
- 
-        context.SS->ClearDescribePathCaches(parentPath.Base()); 
-        context.OnComplete.PublishToSchemeBoard(OperationId, parentPath->PathId); 
- 
-        context.SS->ClearDescribePathCaches(path.Base()); 
-        context.OnComplete.PublishToSchemeBoard(OperationId, path->PathId); 
- 
-        context.OnComplete.ActivateTx(OperationId); 
- 
-        State = NextState(); 
-        SetState(SelectStateFunc(State)); 
- 
-        return result; 
-    } 
- 
-    void AbortPropose(TOperationContext&) override { 
-        Y_FAIL("no AbortPropose for TCreateReplication"); 
-    } 
- 
-    void AbortUnsafe(TTxId txId, TOperationContext& context) override { 
-        LOG_N("TCreateReplication AbortUnsafe" 
-            << ": opId# " << OperationId 
-            << ", txId# " << txId); 
-        context.OnComplete.DoneOperation(OperationId); 
-    } 
- 
-private: 
-    const TOperationId OperationId; 
-    const TTxTransaction Transaction; 
-    TTxState::ETxState State; 
- 
-}; // TCreateReplication 
- 
-} // anonymous 
- 
-ISubOperationBase::TPtr CreateNewReplication(TOperationId id, const TTxTransaction& tx) { 
-    return new TCreateReplication(id, tx); 
-} 
- 
-ISubOperationBase::TPtr CreateNewReplication(TOperationId id, TTxState::ETxState state) { 
-    return new TCreateReplication(id, state); 
-} 
- 
-} // NSchemeShard 
-} // NKikimr 
+#include "schemeshard__operation_part.h"
+#include "schemeshard__operation_common.h"
+#include "schemeshard_impl.h"
+
+#include <ydb/core/tx/replication/controller/public_events.h>
+
+#define LOG_D(stream) LOG_DEBUG_S (context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "[" << context.SS->TabletID() << "] " << stream)
+#define LOG_I(stream) LOG_INFO_S  (context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "[" << context.SS->TabletID() << "] " << stream)
+#define LOG_N(stream) LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "[" << context.SS->TabletID() << "] " << stream)
+#define LOG_W(stream) LOG_WARN_S  (context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "[" << context.SS->TabletID() << "] " << stream)
+
+namespace NKikimr {
+namespace NSchemeShard {
+
+namespace {
+
+class TConfigureParts: public TSubOperationState {
+    TString DebugHint() const override {
+        return TStringBuilder()
+            << "TCreateReplication TConfigureParts"
+            << " opId# " << OperationId << " ";
+    }
+
+public:
+    explicit TConfigureParts(TOperationId id)
+        : OperationId(id)
+    {
+        IgnoreMessages(DebugHint(), {
+            TEvHive::TEvCreateTabletReply::EventType,
+        });
+    }
+
+    bool ProgressState(TOperationContext& context) override {
+        LOG_I(DebugHint() << "ProgressState");
+
+        auto* txState = context.SS->FindTx(OperationId);
+        Y_VERIFY(txState);
+        Y_VERIFY(txState->TxType == TTxState::TxCreateReplication);
+        const auto& pathId = txState->TargetPathId;
+
+        Y_VERIFY(context.SS->Replications.contains(pathId));
+        auto alterData = context.SS->Replications.at(pathId)->AlterData;
+        Y_VERIFY(alterData);
+
+        txState->ClearShardsInProgress();
+
+        for (const auto& shard : txState->Shards) {
+            Y_VERIFY(shard.TabletType == ETabletType::ReplicationController);
+
+            Y_VERIFY(context.SS->ShardInfos.contains(shard.Idx));
+            const auto tabletId = context.SS->ShardInfos.at(shard.Idx).TabletID;
+
+            if (tabletId == InvalidTabletId) {
+                LOG_D(DebugHint() << "Shard is not created yet"
+                    << ": shardIdx# " << shard.Idx);
+                context.OnComplete.WaitShardCreated(shard.Idx, OperationId);
+            } else {
+                auto ev = MakeHolder<NReplication::TEvController::TEvCreateReplication>();
+                PathIdFromPathId(pathId, ev->Record.MutablePathId());
+                ev->Record.MutableOperationId()->SetTxId(ui64(OperationId.GetTxId()));
+                ev->Record.MutableOperationId()->SetPartId(ui32(OperationId.GetSubTxId()));
+                ev->Record.MutableConfig()->CopyFrom(alterData->Description.GetConfig());
+
+                LOG_D(DebugHint() << "Send TEvCreateReplication to controller"
+                    << ": tabletId# " << tabletId
+                    << ", ev# " << ev->ToString());
+                context.OnComplete.BindMsgToPipe(OperationId, tabletId, pathId, ev.Release());
+            }
+
+            txState->ShardsInProgress.insert(shard.Idx);
+        }
+
+        return false;
+    }
+
+    bool HandleReply(NReplication::TEvController::TEvCreateReplicationResult::TPtr& ev, TOperationContext& context) override {
+        LOG_I(DebugHint() << "HandleReply " << ev->Get()->ToString());
+
+        const auto tabletId = TTabletId(ev->Get()->Record.GetOrigin());
+        const auto status = ev->Get()->Record.GetStatus();
+
+        switch (status) {
+        case NKikimrReplication::TEvCreateReplicationResult::SUCCESS:
+        case NKikimrReplication::TEvCreateReplicationResult::ALREADY_EXISTS:
+            break;
+        default:
+            LOG_W(DebugHint() << "Ignoring unexpected TEvCreateReplicationResult"
+                << " tabletId# " << tabletId
+                << " status# " << static_cast<int>(status));
+            return false;
+        }
+
+        auto* txState = context.SS->FindTx(OperationId);
+        Y_VERIFY(txState);
+        Y_VERIFY(txState->TxType == TTxState::TxCreateReplication);
+        Y_VERIFY(txState->State == TTxState::ConfigureParts);
+
+        const auto shardIdx = context.SS->MustGetShardIdx(tabletId);
+        if (!txState->ShardsInProgress.erase(shardIdx)) {
+            LOG_W(DebugHint() << "Ignoring duplicate TEvCreateReplicationResult");
+            return false;
+        }
+
+        context.OnComplete.UnbindMsgFromPipe(OperationId, tabletId, txState->TargetPathId);
+
+        if (!txState->ShardsInProgress.empty()) {
+            return false;
+        }
+
+        NIceDb::TNiceDb db(context.Txc.DB);
+        context.SS->ChangeTxState(db, OperationId, TTxState::Propose);
+        context.OnComplete.ActivateTx(OperationId);
+
+        return true;
+    }
+
+private:
+    const TOperationId OperationId;
+
+}; // TConfigureParts
+
+class TPropose: public TSubOperationState {
+    TString DebugHint() const override {
+        return TStringBuilder()
+            << "TCreateReplication TPropose"
+            << " opId# " << OperationId << " ";
+    }
+
+public:
+    explicit TPropose(TOperationId id)
+        : OperationId(id)
+    {
+        IgnoreMessages(DebugHint(), {
+            TEvHive::TEvCreateTabletReply::EventType,
+            NReplication::TEvController::TEvCreateReplicationResult::EventType,
+        });
+    }
+
+    bool ProgressState(TOperationContext& context) override {
+        LOG_I(DebugHint() << "ProgressState");
+
+        const auto* txState = context.SS->FindTx(OperationId);
+        Y_VERIFY(txState);
+        Y_VERIFY(txState->TxType == TTxState::TxCreateReplication);
+
+        context.OnComplete.ProposeToCoordinator(OperationId, txState->TargetPathId, TStepId(0));
+        return false;
+    }
+
+    bool HandleReply(TEvPrivate::TEvOperationPlan::TPtr& ev, TOperationContext& context) override {
+        const auto step = TStepId(ev->Get()->StepId);
+
+        LOG_I(DebugHint() << "HandleReply TEvOperationPlan"
+            << ": step# " << step);
+
+        const auto* txState = context.SS->FindTx(OperationId);
+        Y_VERIFY(txState);
+        Y_VERIFY(txState->TxType == TTxState::TxCreateReplication);
+        const auto& pathId = txState->TargetPathId;
+
+        Y_VERIFY(context.SS->PathsById.contains(pathId));
+        auto path = context.SS->PathsById.at(pathId);
+
+        Y_VERIFY(context.SS->Replications.contains(pathId));
+        auto replication = context.SS->Replications.at(pathId);
+
+        auto alterData = replication->AlterData;
+        Y_VERIFY(alterData);
+
+        NIceDb::TNiceDb db(context.Txc.DB);
+
+        path->StepCreated = step;
+        context.SS->PersistCreateStep(db, pathId, step);
+
+        context.SS->Replications[pathId] = alterData;
+        context.SS->PersistReplicationAlterRemove(db, pathId);
+        context.SS->PersistReplication(db, pathId, *alterData);
+
+        Y_VERIFY(context.SS->PathsById.contains(path->ParentPathId));
+        auto parentPath = context.SS->PathsById.at(path->ParentPathId);
+
+        ++parentPath->DirAlterVersion;
+        context.SS->PersistPathDirAlterVersion(db, parentPath);
+
+        context.SS->ClearDescribePathCaches(parentPath);
+        context.OnComplete.PublishToSchemeBoard(OperationId, parentPath->PathId);
+
+        context.SS->ClearDescribePathCaches(path);
+        context.OnComplete.PublishToSchemeBoard(OperationId, pathId);
+
+        context.SS->ChangeTxState(db, OperationId, TTxState::Done);
+        return true;
+    }
+
+private:
+   const TOperationId OperationId;
+
+}; // TPropose
+
+class TCreateReplication: public TSubOperation {
+    static TTxState::ETxState NextState() {
+        return TTxState::CreateParts;
+    }
+
+    static TTxState::ETxState NextState(TTxState::ETxState state) {
+        switch (state) {
+        case TTxState::Waiting:
+        case TTxState::CreateParts:
+            return TTxState::ConfigureParts;
+        case TTxState::ConfigureParts:
+            return TTxState::Propose;
+        case TTxState::Propose:
+            return TTxState::Done;
+        default:
+            return TTxState::Invalid;
+        }
+    }
+
+    TSubOperationState::TPtr SelectStateFunc(TTxState::ETxState state) {
+        switch (state) {
+        case TTxState::Waiting:
+        case TTxState::CreateParts:
+            return MakeHolder<TCreateParts>(OperationId);
+        case TTxState::ConfigureParts:
+            return MakeHolder<TConfigureParts>(OperationId);
+        case TTxState::Propose:
+            return MakeHolder<TPropose>(OperationId);
+        case TTxState::Done:
+            return MakeHolder<TDone>(OperationId);
+        default:
+            return nullptr;
+        }
+    }
+
+    void StateDone(TOperationContext& context) override {
+        State = NextState(State);
+
+        if (State != TTxState::Invalid) {
+            SetState(SelectStateFunc(State));
+            context.OnComplete.ActivateTx(OperationId);
+        }
+    }
+
+public:
+    explicit TCreateReplication(TOperationId id, const TTxTransaction& tx)
+        : OperationId(id)
+        , Transaction(tx)
+        , State(TTxState::Invalid)
+    {
+    }
+
+    explicit TCreateReplication(TOperationId id, TTxState::ETxState state)
+        : OperationId(id)
+        , State(state)
+    {
+        SetState(SelectStateFunc(state));
+    }
+
+    THolder<TProposeResponse> Propose(const TString& owner, TOperationContext& context) override {
+        const auto& workingDir = Transaction.GetWorkingDir();
+        auto desc = Transaction.GetReplication();
+        const auto& name = desc.GetName();
+        const auto& acl = Transaction.GetModifyACL().GetDiffACL();
+        const auto acceptExisted = !Transaction.GetFailOnExist();
+
+        LOG_N("TCreateReplication Propose"
+            << ": opId# " << OperationId
+            << ", path# " << workingDir << "/" << name);
+
+        auto result = MakeHolder<TProposeResponse>(NKikimrScheme::StatusAccepted, ui64(OperationId.GetTxId()), ui64(context.SS->SelfTabletId()));
+
+        const auto parentPath = TPath::Resolve(workingDir, context.SS);
+        {
+            const auto checks = parentPath.Check();
+            checks
+                .NotEmpty()
+                .NotUnderDomainUpgrade()
+                .IsAtLocalSchemeShard()
+                .IsResolved()
+                .NotDeleted()
+                .NotUnderDeleting()
+                .IsCommonSensePath()
+                .IsLikeDirectory();
+
+            if (!checks) {
+                TString explain = TStringBuilder() << "parent path checks failed, path: " << parentPath.PathString();
+                const auto status = checks.GetStatus(&explain);
+                result->SetError(status, explain);
+
+                return result;
+            }
+        }
+
+        const auto domainId = parentPath.DomainId();
+        auto domainInfo = parentPath.DomainInfo();
+        const ui64 shardsToCreate = domainInfo->GetReplicationControllers().empty();
+
+        auto path = parentPath.Child(name);
+        {
+            const auto checks = path.Check();
+            checks
+                .IsAtLocalSchemeShard();
+
+            if (path.IsResolved()) {
+                checks
+                    .IsResolved()
+                    .NotUnderDeleting()
+                    .FailOnExist(TPathElement::EPathType::EPathTypeReplication, acceptExisted);
+            } else {
+                checks
+                    .NotEmpty()
+                    .NotResolved();
+            }
+
+            if (checks) {
+                checks
+                    .IsValidLeafName()
+                    .DepthLimit()
+                    .PathsLimit()
+                    .DirChildrenLimit()
+                    .ShardsLimit(shardsToCreate)
+                    .IsValidACL(acl);
+            }
+
+            if (!checks) {
+                TString explain = TStringBuilder() << "path checks failed, path: " << path.PathString();
+                const auto status = checks.GetStatus(&explain);
+                result->SetError(status, explain);
+                if (path.IsResolved()) {
+                    result->SetPathCreateTxId(ui64(path->CreateTxId));
+                    result->SetPathId(path->PathId.LocalPathId);
+                }
+
+                return result;
+            }
+        }
+
+        TString errStr;
+        if (!context.SS->CheckApplyIf(Transaction, errStr)) {
+            result->SetError(NKikimrScheme::StatusPreconditionFailed, errStr);
+            return result;
+        }
+
+        TChannelsBindings channelsBindings;
+        if (shardsToCreate) {
+            if (!context.SS->ResolveTabletChannels(0, domainId, channelsBindings)) {
+                result->SetError(NKikimrScheme::StatusInvalidParameter,
+                    "Unable to construct channel binding for replication controller with the storage pool");
+                return result;
+            }
+        }
+
+        path.MaterializeLeaf(owner);
+        path->CreateTxId = OperationId.GetTxId();
+        path->LastTxId = OperationId.GetTxId();
+        path->PathState = TPathElement::EPathState::EPathStateCreate;
+        path->PathType = TPathElement::EPathType::EPathTypeReplication;
+        result->SetPathId(path->PathId.LocalPathId);
+
+        context.SS->IncrementPathDbRefCount(path->PathId);
+        parentPath->IncAliveChildren();
+        domainInfo->IncPathsInside();
+        context.SS->TabletCounters->Simple()[COUNTER_REPLICATION_COUNT].Add(1);
+
+        Y_VERIFY(!context.SS->FindTx(OperationId));
+        auto& txState = context.SS->CreateTx(OperationId, TTxState::TxCreateReplication, path->PathId);
+
+        if (shardsToCreate) {
+            const auto shardIdx = context.SS->RegisterShardInfo(
+                TShardInfo::ReplicationControllerInfo(OperationId.GetTxId(), domainId)
+                    .WithBindedChannels(channelsBindings));
+            context.SS->TabletCounters->Simple()[COUNTER_REPLICATION_CONTROLLER_COUNT].Add(1);
+
+            txState.Shards.emplace_back(shardIdx, ETabletType::ReplicationController, TTxState::CreateParts);
+            txState.State = TTxState::CreateParts;
+
+            Y_VERIFY(context.SS->PathsById.contains(domainId));
+            context.SS->PathsById.at(domainId)->IncShardsInside();
+
+            domainInfo->AddInternalShard(shardIdx);
+            domainInfo->AddReplicationController(shardIdx);
+        } else {
+            const auto shardIdx = *domainInfo->GetReplicationControllers().begin();
+
+            txState.Shards.emplace_back(shardIdx, ETabletType::ReplicationController, TTxState::ConfigureParts);
+            txState.State = TTxState::ConfigureParts;
+
+            Y_VERIFY(context.SS->ShardInfos.contains(shardIdx));
+            const auto& shardInfo = context.SS->ShardInfos.at(shardIdx);
+
+            if (shardInfo.CurrentTxId != OperationId.GetTxId()) {
+                context.OnComplete.Dependence(shardInfo.CurrentTxId, OperationId.GetTxId());
+            }
+        }
+
+        if (parentPath->HasActiveChanges()) {
+            const auto parentTxId = parentPath->PlannedToCreate() ? parentPath->CreateTxId : parentPath->LastTxId;
+            context.OnComplete.Dependence(parentTxId, OperationId.GetTxId());
+        }
+
+        NIceDb::TNiceDb db(context.Txc.DB);
+
+        context.SS->PersistPath(db, path->PathId);
+        if (!acl.empty()) {
+            path->ApplyACL(acl);
+            context.SS->PersistACL(db, path.Base());
+        }
+
+        auto replication = TReplicationInfo::Create(std::move(desc));
+        context.SS->Replications[path->PathId] = replication;
+        context.SS->PersistReplication(db, path->PathId, *replication);
+        context.SS->PersistReplicationAlter(db, path->PathId, *replication->AlterData);
+
+        Y_VERIFY(txState.Shards.size() == 1);
+        for (const auto& shard : txState.Shards) {
+            Y_VERIFY(context.SS->ShardInfos.contains(shard.Idx));
+            const TShardInfo& shardInfo = context.SS->ShardInfos.at(shard.Idx);
+
+            if (shard.Operation == TTxState::CreateParts) {
+                context.SS->PersistShardMapping(db, shard.Idx, InvalidTabletId, domainId, OperationId.GetTxId(), shard.TabletType);
+                context.SS->PersistChannelsBinding(db, shard.Idx, shardInfo.BindedChannels);
+            }
+        }
+
+        context.SS->ChangeTxState(db, OperationId, txState.State);
+        context.SS->PersistTxState(db, OperationId);
+        context.SS->PersistUpdateNextPathId(db);
+        context.SS->PersistUpdateNextShardIdx(db);
+
+        ++parentPath->DirAlterVersion;
+        context.SS->PersistPathDirAlterVersion(db, parentPath.Base());
+
+        context.SS->ClearDescribePathCaches(parentPath.Base());
+        context.OnComplete.PublishToSchemeBoard(OperationId, parentPath->PathId);
+
+        context.SS->ClearDescribePathCaches(path.Base());
+        context.OnComplete.PublishToSchemeBoard(OperationId, path->PathId);
+
+        context.OnComplete.ActivateTx(OperationId);
+
+        State = NextState();
+        SetState(SelectStateFunc(State));
+
+        return result;
+    }
+
+    void AbortPropose(TOperationContext&) override {
+        Y_FAIL("no AbortPropose for TCreateReplication");
+    }
+
+    void AbortUnsafe(TTxId txId, TOperationContext& context) override {
+        LOG_N("TCreateReplication AbortUnsafe"
+            << ": opId# " << OperationId
+            << ", txId# " << txId);
+        context.OnComplete.DoneOperation(OperationId);
+    }
+
+private:
+    const TOperationId OperationId;
+    const TTxTransaction Transaction;
+    TTxState::ETxState State;
+
+}; // TCreateReplication
+
+} // anonymous
+
+ISubOperationBase::TPtr CreateNewReplication(TOperationId id, const TTxTransaction& tx) {
+    return new TCreateReplication(id, tx);
+}
+
+ISubOperationBase::TPtr CreateNewReplication(TOperationId id, TTxState::ETxState state) {
+    return new TCreateReplication(id, state);
+}
+
+} // NSchemeShard
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_create_restore.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_create_restore.cpp
index eb75cf06ec..44b7a59e70 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_create_restore.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_create_restore.cpp
@@ -1,128 +1,128 @@
-#include "schemeshard__operation_backup_restore_common.h" 
-#include "schemeshard_billing_helpers.h" 
- 
-namespace NKikimr { 
+#include "schemeshard__operation_backup_restore_common.h"
+#include "schemeshard_billing_helpers.h"
+
+namespace NKikimr {
 namespace NSchemeShard {
- 
-struct TRestore { 
-    static constexpr TStringBuf Name() { 
-        return "TRestore"; 
-    } 
- 
-    static bool HasTask(const TTxTransaction& tx) { 
-        return tx.HasRestore(); 
-    } 
- 
-    static TString GetTableName(const TTxTransaction& tx) { 
-        return tx.GetRestore().GetTableName(); 
-    } 
- 
-    static void ProposeTx(const TOperationId& opId, TTxState& txState, TOperationContext& context) { 
-        const auto& pathId = txState.TargetPathId; 
- 
-        const auto seqNo = context.SS->StartRound(txState); 
-        const auto& processingParams = context.SS->SelectProcessingPrarams(pathId); 
- 
-        Y_VERIFY(context.SS->Tables.contains(pathId)); 
-        TTableInfo::TPtr table = context.SS->Tables.at(pathId); 
- 
-        for (ui32 i = 0; i < txState.Shards.size(); ++i) { 
-            const auto& idx = txState.Shards[i].Idx; 
-            const auto& datashardId = context.SS->ShardInfos[idx].TabletID; 
- 
-            LOG_DEBUG_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                        "Propose restore" 
-                            << ", datashard: " << datashardId 
-                            << ", opId: " <<  opId 
-                            << ", at schemeshard: " << context.SS->TabletID()); 
- 
-            NKikimrTxDataShard::TFlatSchemeTransaction tx; 
-            context.SS->FillSeqNo(tx, seqNo); 
-            auto& restore = *tx.MutableRestore(); 
-            restore.CopyFrom(table->RestoreSettings); 
-            restore.SetTableId(pathId.LocalPathId); 
-            restore.SetShardNum(i); 
- 
-            auto ev = MakeHolder<TEvDataShard::TEvProposeTransaction>( 
-                NKikimrTxDataShard::TX_KIND_SCHEME, 
-                context.SS->TabletID(), 
-                context.Ctx.SelfID, 
-                ui64(opId.GetTxId()), 
-                tx.SerializeAsString(), 
-                processingParams 
-            ); 
- 
-            context.OnComplete.BindMsgToPipe(opId, datashardId, idx, ev.Release()); 
-        } 
-    } 
- 
-    static ui64 RequestUnits(ui64 bytes, ui64 rows) { 
-        return TRUCalculator::BulkUpsert(bytes, rows); 
-    } 
- 
-    static void FinishStats(const TOperationId& opId, TTxState& txState, TOperationContext& context) { 
-        if (txState.TxType != TTxState::TxRestore) { 
-            return; 
-        } 
- 
-        Y_VERIFY(TAppData::TimeProvider.Get() != nullptr); 
-        const ui64 ts = TAppData::TimeProvider->Now().Seconds(); 
- 
-        Y_VERIFY(context.SS->Tables.contains(txState.TargetPathId)); 
-        TTableInfo::TPtr table = context.SS->Tables[txState.TargetPathId]; 
- 
-        auto& restoreInfo = table->RestoreHistory[opId.GetTxId()]; 
- 
-        restoreInfo.StartDateTime = txState.StartTime.Seconds(); 
-        restoreInfo.CompletionDateTime = ts; 
-        restoreInfo.TotalShardCount = table->GetPartitions().size(); 
-        restoreInfo.SuccessShardCount = CountIf(txState.ShardStatuses, [](const auto& kv) { 
-            return kv.second.Success; 
-        }); 
-        restoreInfo.ShardStatuses = std::move(txState.ShardStatuses); 
-        restoreInfo.DataTotalSize = txState.DataTotalSize; 
- 
-        NIceDb::TNiceDb db(context.Txc.DB); 
-        context.SS->PersistCompletedRestore(db, opId.GetTxId(), txState, restoreInfo); 
-    } 
- 
-    static void PersistTask(const TPathId& pathId, const TTxTransaction& tx, TOperationContext& context) { 
-        const auto& restore = tx.GetRestore(); 
- 
-        Y_VERIFY(context.SS->Tables.contains(pathId)); 
-        TTableInfo::TPtr table = context.SS->Tables.at(pathId); 
-        table->RestoreSettings = restore; 
- 
-        NIceDb::TNiceDb db(context.Txc.DB); 
-        db.Table<Schema::RestoreTasks>() 
-            .Key(pathId.OwnerId, pathId.LocalPathId) 
-            .Update(NIceDb::TUpdate<Schema::RestoreTasks::Task>(restore.SerializeAsString())); 
-    } 
- 
-    static void PersistDone(const TPathId& pathId, TOperationContext& context) { 
-        NIceDb::TNiceDb db(context.Txc.DB); 
-        db.Table<Schema::RestoreTasks>() 
-            .Key(pathId.OwnerId, pathId.LocalPathId) 
-            .Delete(); 
-    } 
- 
-    static bool NeedToBill(const TPathId&, TOperationContext&) { 
-        return true; 
-    } 
-}; 
- 
-ISubOperationBase::TPtr CreateRestore(TOperationId id, const TTxTransaction& tx) { 
-    return new TBackupRestoreOperationBase<TRestore, TEvDataShard::TEvCancelRestore>( 
-        TTxState::TxRestore, TPathElement::EPathState::EPathStateRestore, id, tx 
-    ); 
-} 
- 
-ISubOperationBase::TPtr CreateRestore(TOperationId id, TTxState::ETxState state) { 
-    Y_VERIFY(state != TTxState::Invalid); 
-    return new TBackupRestoreOperationBase<TRestore, TEvDataShard::TEvCancelRestore>( 
-        TTxState::TxRestore, TPathElement::EPathState::EPathStateRestore, id, state 
-    ); 
-} 
- 
+
+struct TRestore {
+    static constexpr TStringBuf Name() {
+        return "TRestore";
+    }
+
+    static bool HasTask(const TTxTransaction& tx) {
+        return tx.HasRestore();
+    }
+
+    static TString GetTableName(const TTxTransaction& tx) {
+        return tx.GetRestore().GetTableName();
+    }
+
+    static void ProposeTx(const TOperationId& opId, TTxState& txState, TOperationContext& context) {
+        const auto& pathId = txState.TargetPathId;
+
+        const auto seqNo = context.SS->StartRound(txState);
+        const auto& processingParams = context.SS->SelectProcessingPrarams(pathId);
+
+        Y_VERIFY(context.SS->Tables.contains(pathId));
+        TTableInfo::TPtr table = context.SS->Tables.at(pathId);
+
+        for (ui32 i = 0; i < txState.Shards.size(); ++i) {
+            const auto& idx = txState.Shards[i].Idx;
+            const auto& datashardId = context.SS->ShardInfos[idx].TabletID;
+
+            LOG_DEBUG_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                        "Propose restore"
+                            << ", datashard: " << datashardId
+                            << ", opId: " <<  opId
+                            << ", at schemeshard: " << context.SS->TabletID());
+
+            NKikimrTxDataShard::TFlatSchemeTransaction tx;
+            context.SS->FillSeqNo(tx, seqNo);
+            auto& restore = *tx.MutableRestore();
+            restore.CopyFrom(table->RestoreSettings);
+            restore.SetTableId(pathId.LocalPathId);
+            restore.SetShardNum(i);
+
+            auto ev = MakeHolder<TEvDataShard::TEvProposeTransaction>(
+                NKikimrTxDataShard::TX_KIND_SCHEME,
+                context.SS->TabletID(),
+                context.Ctx.SelfID,
+                ui64(opId.GetTxId()),
+                tx.SerializeAsString(),
+                processingParams
+            );
+
+            context.OnComplete.BindMsgToPipe(opId, datashardId, idx, ev.Release());
+        }
+    }
+
+    static ui64 RequestUnits(ui64 bytes, ui64 rows) {
+        return TRUCalculator::BulkUpsert(bytes, rows);
+    }
+
+    static void FinishStats(const TOperationId& opId, TTxState& txState, TOperationContext& context) {
+        if (txState.TxType != TTxState::TxRestore) {
+            return;
+        }
+
+        Y_VERIFY(TAppData::TimeProvider.Get() != nullptr);
+        const ui64 ts = TAppData::TimeProvider->Now().Seconds();
+
+        Y_VERIFY(context.SS->Tables.contains(txState.TargetPathId));
+        TTableInfo::TPtr table = context.SS->Tables[txState.TargetPathId];
+
+        auto& restoreInfo = table->RestoreHistory[opId.GetTxId()];
+
+        restoreInfo.StartDateTime = txState.StartTime.Seconds();
+        restoreInfo.CompletionDateTime = ts;
+        restoreInfo.TotalShardCount = table->GetPartitions().size();
+        restoreInfo.SuccessShardCount = CountIf(txState.ShardStatuses, [](const auto& kv) {
+            return kv.second.Success;
+        });
+        restoreInfo.ShardStatuses = std::move(txState.ShardStatuses);
+        restoreInfo.DataTotalSize = txState.DataTotalSize;
+
+        NIceDb::TNiceDb db(context.Txc.DB);
+        context.SS->PersistCompletedRestore(db, opId.GetTxId(), txState, restoreInfo);
+    }
+
+    static void PersistTask(const TPathId& pathId, const TTxTransaction& tx, TOperationContext& context) {
+        const auto& restore = tx.GetRestore();
+
+        Y_VERIFY(context.SS->Tables.contains(pathId));
+        TTableInfo::TPtr table = context.SS->Tables.at(pathId);
+        table->RestoreSettings = restore;
+
+        NIceDb::TNiceDb db(context.Txc.DB);
+        db.Table<Schema::RestoreTasks>()
+            .Key(pathId.OwnerId, pathId.LocalPathId)
+            .Update(NIceDb::TUpdate<Schema::RestoreTasks::Task>(restore.SerializeAsString()));
+    }
+
+    static void PersistDone(const TPathId& pathId, TOperationContext& context) {
+        NIceDb::TNiceDb db(context.Txc.DB);
+        db.Table<Schema::RestoreTasks>()
+            .Key(pathId.OwnerId, pathId.LocalPathId)
+            .Delete();
+    }
+
+    static bool NeedToBill(const TPathId&, TOperationContext&) {
+        return true;
+    }
+};
+
+ISubOperationBase::TPtr CreateRestore(TOperationId id, const TTxTransaction& tx) {
+    return new TBackupRestoreOperationBase<TRestore, TEvDataShard::TEvCancelRestore>(
+        TTxState::TxRestore, TPathElement::EPathState::EPathStateRestore, id, tx
+    );
+}
+
+ISubOperationBase::TPtr CreateRestore(TOperationId id, TTxState::ETxState state) {
+    Y_VERIFY(state != TTxState::Invalid);
+    return new TBackupRestoreOperationBase<TRestore, TEvDataShard::TEvCancelRestore>(
+        TTxState::TxRestore, TPathElement::EPathState::EPathStateRestore, id, state
+    );
+}
+
 } // NSchemeShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_create_rtmr.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_create_rtmr.cpp
index 5d263f00e5..648fcd3c4d 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_create_rtmr.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_create_rtmr.cpp
@@ -146,9 +146,9 @@ public:
         context.OnComplete.PublishToSchemeBoard(OperationId, parentDir->PathId);
 
         context.SS->ClearDescribePathCaches(path);
-        context.OnComplete.PublishToSchemeBoard(OperationId, pathId); 
- 
-        context.SS->ChangeTxState(db, OperationId, TTxState::Done); 
+        context.OnComplete.PublishToSchemeBoard(OperationId, pathId);
+
+        context.SS->ChangeTxState(db, OperationId, TTxState::Done);
         return true;
     }
 
@@ -169,8 +169,8 @@ public:
 };
 
 class TCreateRTMR: public TSubOperation {
-    const TOperationId OperationId; 
-    const TTxTransaction Transaction; 
+    const TOperationId OperationId;
+    const TTxTransaction Transaction;
     TTxState::ETxState State = TTxState::Invalid;
 
     TTxState::ETxState NextState() {
@@ -184,8 +184,8 @@ class TCreateRTMR: public TSubOperation {
             return TTxState::ConfigureParts;
         case TTxState::ConfigureParts:
             return TTxState::Propose;
-        case TTxState::Propose: 
-            return TTxState::Done; 
+        case TTxState::Propose:
+            return TTxState::Done;
         default:
             return TTxState::Invalid;
         }
@@ -201,7 +201,7 @@ class TCreateRTMR: public TSubOperation {
             return THolder(new TConfigureParts(OperationId));
         case TTxState::Propose:
             return THolder(new TPropose(OperationId));
-        case TTxState::Done: 
+        case TTxState::Done:
             return THolder(new TDone(OperationId));
         default:
             return nullptr;
@@ -218,11 +218,11 @@ class TCreateRTMR: public TSubOperation {
     }
 
 public:
-    TCreateRTMR(TOperationId id, const TTxTransaction& tx) 
+    TCreateRTMR(TOperationId id, const TTxTransaction& tx)
         : OperationId(id)
-        , Transaction(tx) 
-    { 
-    } 
+        , Transaction(tx)
+    {
+    }
 
     TCreateRTMR(TOperationId id, TTxState::ETxState state)
         : OperationId(id)
@@ -235,9 +235,9 @@ public:
         const auto ssId = context.SS->SelfTabletId();
 
         const auto acceptExisted = !Transaction.GetFailOnExist();
-        const auto& rtmrVolumeDescription = Transaction.GetCreateRtmrVolume(); 
+        const auto& rtmrVolumeDescription = Transaction.GetCreateRtmrVolume();
 
-        const TString& parentPathStr = Transaction.GetWorkingDir(); 
+        const TString& parentPathStr = Transaction.GetWorkingDir();
         const TString& name = rtmrVolumeDescription.GetName();
 
         const ui64 shardsToCreate = rtmrVolumeDescription.GetPartitionsCount();
@@ -272,20 +272,20 @@ public:
             }
         }
 
-        const TString acl = Transaction.GetModifyACL().GetDiffACL(); 
- 
+        const TString acl = Transaction.GetModifyACL().GetDiffACL();
+
         NSchemeShard::TPath dstPath = parentPath.Child(name);
         {
             NSchemeShard::TPath::TChecker checks = dstPath.Check();
             checks.IsAtLocalSchemeShard();
             if (dstPath.IsResolved()) {
-                checks 
-                    .IsResolved() 
+                checks
+                    .IsResolved()
                     .NotUnderDeleting()
                     .FailOnExist(TPathElement::EPathType::EPathTypeRtmrVolume, acceptExisted);
             } else {
-                checks 
-                    .NotEmpty() 
+                checks
+                    .NotEmpty()
                     .NotResolved();
             }
 
@@ -296,8 +296,8 @@ public:
                     .PathsLimit()
                     .DirChildrenLimit()
                     .ShardsLimit(shardsToCreate)
-                    .PathShardsLimit(shardsToCreate) 
-                    .IsValidACL(acl); 
+                    .PathShardsLimit(shardsToCreate)
+                    .IsValidACL(acl);
             }
 
             if (!checks) {
@@ -313,8 +313,8 @@ public:
             }
         }
 
-        TString errStr; 
-        if (!context.SS->CheckApplyIf(Transaction, errStr)) { 
+        TString errStr;
+        if (!context.SS->CheckApplyIf(Transaction, errStr)) {
             result->SetError(NKikimrScheme::StatusPreconditionFailed, errStr);
             return result;
         }
@@ -408,16 +408,16 @@ public:
         return result;
     }
 
-    void AbortPropose(TOperationContext&) override { 
-        Y_FAIL("no AbortPropose for TCreateRTMR"); 
-    } 
- 
+    void AbortPropose(TOperationContext&) override {
+        Y_FAIL("no AbortPropose for TCreateRTMR");
+    }
+
     void AbortUnsafe(TTxId forceDropTxId, TOperationContext& context) override {
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TCreateRTMR AbortUnsafe"
                          << ", opId: " << OperationId
                          << ", forceDropId: " << forceDropTxId
-                         << ", at schemeshard: " << context.SS->TabletID()); 
+                         << ", at schemeshard: " << context.SS->TabletID());
 
         context.OnComplete.DoneOperation(OperationId);
     }
@@ -428,12 +428,12 @@ public:
 namespace NKikimr {
 namespace NSchemeShard {
 
-ISubOperationBase::TPtr CreateNewRTMR(TOperationId id, const TTxTransaction& tx) { 
-    return new TCreateRTMR(id, tx); 
-} 
- 
+ISubOperationBase::TPtr CreateNewRTMR(TOperationId id, const TTxTransaction& tx) {
+    return new TCreateRTMR(id, tx);
+}
+
 ISubOperationBase::TPtr CreateNewRTMR(TOperationId id, TTxState::ETxState state) {
-    Y_VERIFY(state != TTxState::Invalid); 
+    Y_VERIFY(state != TTxState::Invalid);
     return new TCreateRTMR(id, state);
 }
 
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_create_solomon.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_create_solomon.cpp
index 1b288989dc..a821169854 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_create_solomon.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_create_solomon.cpp
@@ -181,9 +181,9 @@ public:
         context.OnComplete.PublishToSchemeBoard(OperationId, parentDir->PathId);
 
         context.SS->ClearDescribePathCaches(path);
-        context.OnComplete.PublishToSchemeBoard(OperationId, pathId); 
- 
-        context.SS->ChangeTxState(db, OperationId, TTxState::Done); 
+        context.OnComplete.PublishToSchemeBoard(OperationId, pathId);
+
+        context.SS->ChangeTxState(db, OperationId, TTxState::Done);
         return true;
     }
 
@@ -204,8 +204,8 @@ public:
 };
 
 class TCreateSolomon: public TSubOperation {
-    const TOperationId OperationId; 
-    const TTxTransaction Transaction; 
+    const TOperationId OperationId;
+    const TTxTransaction Transaction;
     TTxState::ETxState State = TTxState::Invalid;
 
     TTxState::ETxState NextState() {
@@ -219,8 +219,8 @@ class TCreateSolomon: public TSubOperation {
             return TTxState::ConfigureParts;
         case TTxState::ConfigureParts:
             return TTxState::Propose;
-        case TTxState::Propose: 
-            return TTxState::Done; 
+        case TTxState::Propose:
+            return TTxState::Done;
         default:
             return TTxState::Invalid;
         }
@@ -236,7 +236,7 @@ class TCreateSolomon: public TSubOperation {
             return THolder(new TConfigureParts(OperationId));
         case TTxState::Propose:
             return THolder(new TPropose(OperationId));
-        case TTxState::Done: 
+        case TTxState::Done:
             return THolder(new TDone(OperationId));
         default:
             return nullptr;
@@ -253,11 +253,11 @@ class TCreateSolomon: public TSubOperation {
     }
 
 public:
-    TCreateSolomon(TOperationId id, const TTxTransaction& tx) 
+    TCreateSolomon(TOperationId id, const TTxTransaction& tx)
         : OperationId(id)
-        , Transaction(tx) 
-    { 
-    } 
+        , Transaction(tx)
+    {
+    }
 
     TCreateSolomon(TOperationId id, TTxState::ETxState state)
         : OperationId(id)
@@ -270,9 +270,9 @@ public:
         const TTabletId ssId = context.SS->SelfTabletId();
 
         const auto acceptExisted = !Transaction.GetFailOnExist();
-        const auto& solomonDescription = Transaction.GetCreateSolomonVolume(); 
+        const auto& solomonDescription = Transaction.GetCreateSolomonVolume();
 
-        const TString& parentPathStr = Transaction.GetWorkingDir(); 
+        const TString& parentPathStr = Transaction.GetWorkingDir();
         const TString& name = solomonDescription.GetName();
         const ui32 channelProfileId = solomonDescription.GetChannelProfileId();
 
@@ -313,20 +313,20 @@ public:
             }
         }
 
-        const TString acl = Transaction.GetModifyACL().GetDiffACL(); 
- 
+        const TString acl = Transaction.GetModifyACL().GetDiffACL();
+
         NSchemeShard::TPath dstPath = parentPath.Child(name);
         {
             NSchemeShard::TPath::TChecker checks = dstPath.Check();
             checks.IsAtLocalSchemeShard();
             if (dstPath.IsResolved()) {
-                checks 
-                    .IsResolved() 
+                checks
+                    .IsResolved()
                     .NotUnderDeleting()
                     .FailOnExist(TPathElement::EPathType::EPathTypeSolomonVolume, acceptExisted);
             } else {
-                checks 
-                    .NotEmpty() 
+                checks
+                    .NotEmpty()
                     .NotResolved();
             }
 
@@ -337,8 +337,8 @@ public:
                     .PathsLimit()
                     .DirChildrenLimit()
                     .ShardsLimit(shardsToCreate)
-                    .PathShardsLimit(shardsToCreate) 
-                    .IsValidACL(acl); 
+                    .PathShardsLimit(shardsToCreate)
+                    .IsValidACL(acl);
             }
 
             if (!checks) {
@@ -354,7 +354,7 @@ public:
             }
         }
 
-        if (!context.SS->CheckApplyIf(Transaction, errStr)) { 
+        if (!context.SS->CheckApplyIf(Transaction, errStr)) {
             result->SetError(NKikimrScheme::StatusPreconditionFailed, errStr);
             return result;
         }
@@ -433,7 +433,7 @@ public:
         context.SS->PersistTxState(db, OperationId);
 
         context.SS->PersistPath(db, newSolomon->PathId);
- 
+
         if (!acl.empty()) {
             newSolomon->ApplyACL(acl);
             context.SS->PersistACL(db, newSolomon);
@@ -464,16 +464,16 @@ public:
         return result;
     }
 
-    void AbortPropose(TOperationContext&) override { 
-        Y_FAIL("no AbortPropose for TCreateSolomon"); 
-    } 
- 
+    void AbortPropose(TOperationContext&) override {
+        Y_FAIL("no AbortPropose for TCreateSolomon");
+    }
+
     void AbortUnsafe(TTxId forceDropTxId, TOperationContext& context) override {
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TCreateSolomon AbortUnsafe"
                          << ", opId: " << OperationId
                          << ", forceDropId: " << forceDropTxId
-                         << ", at schemeshard: " << context.SS->TabletID()); 
+                         << ", at schemeshard: " << context.SS->TabletID());
 
         context.OnComplete.DoneOperation(OperationId);
     }
@@ -484,12 +484,12 @@ public:
 namespace NKikimr {
 namespace NSchemeShard {
 
-ISubOperationBase::TPtr CreateNewSolomon(TOperationId id, const TTxTransaction& tx) { 
-    return new TCreateSolomon(id, tx); 
-} 
- 
+ISubOperationBase::TPtr CreateNewSolomon(TOperationId id, const TTxTransaction& tx) {
+    return new TCreateSolomon(id, tx);
+}
+
 ISubOperationBase::TPtr CreateNewSolomon(TOperationId id, TTxState::ETxState state) {
-    Y_VERIFY(state != TTxState::Invalid); 
+    Y_VERIFY(state != TTxState::Invalid);
     return new TCreateSolomon(id, state);
 }
 
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_create_subdomain.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_create_subdomain.cpp
index 9ad8e7d3b9..b46d7015cc 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_create_subdomain.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_create_subdomain.cpp
@@ -35,8 +35,8 @@ void PersistShards(NIceDb::TNiceDb& db, TTxState& txState, TSchemeShard* ss) {
 
 
 class TCreateSubDomain: public TSubOperation {
-    const TOperationId OperationId; 
-    const TTxTransaction Transaction; 
+    const TOperationId OperationId;
+    const TTxTransaction Transaction;
     TTxState::ETxState State = TTxState::Invalid;
 
     TTxState::ETxState NextState() {
@@ -50,8 +50,8 @@ class TCreateSubDomain: public TSubOperation {
             return TTxState::ConfigureParts;
         case TTxState::ConfigureParts:
             return TTxState::Propose;
-        case TTxState::Propose: 
-            return TTxState::Done; 
+        case TTxState::Propose:
+            return TTxState::Done;
         default:
             return TTxState::Invalid;
         }
@@ -67,7 +67,7 @@ class TCreateSubDomain: public TSubOperation {
             return THolder(new NSubDomainState::TConfigureParts(OperationId));
         case TTxState::Propose:
             return THolder(new NSubDomainState::TPropose(OperationId));
-        case TTxState::Done: 
+        case TTxState::Done:
             return THolder(new TDone(OperationId));
         default:
             return nullptr;
@@ -84,11 +84,11 @@ class TCreateSubDomain: public TSubOperation {
     }
 
 public:
-    TCreateSubDomain(TOperationId id, const TTxTransaction& tx) 
+    TCreateSubDomain(TOperationId id, const TTxTransaction& tx)
         : OperationId(id)
-        , Transaction(tx) 
-    { 
-    } 
+        , Transaction(tx)
+    {
+    }
 
     TCreateSubDomain(TOperationId id, TTxState::ETxState state)
         : OperationId(id)
@@ -101,10 +101,10 @@ public:
         const TTabletId ssId = context.SS->SelfTabletId();
 
         const auto acceptExisted = !Transaction.GetFailOnExist();
-        const auto& settings = Transaction.GetSubDomain(); 
+        const auto& settings = Transaction.GetSubDomain();
 
-        const TString& parentPathStr = Transaction.GetWorkingDir(); 
-        const TString& name = settings.GetName(); 
+        const TString& parentPathStr = Transaction.GetWorkingDir();
+        const TString& name = settings.GetName();
 
         ui64 shardsToCreate = settings.GetCoordinators() + settings.GetMediators();
 
@@ -151,20 +151,20 @@ public:
             }
         }
 
-        const TString acl = Transaction.GetModifyACL().GetDiffACL(); 
- 
+        const TString acl = Transaction.GetModifyACL().GetDiffACL();
+
         NSchemeShard::TPath dstPath = parentPath.Child(name);
         {
             NSchemeShard::TPath::TChecker checks = dstPath.Check();
             checks.IsAtLocalSchemeShard();
             if (dstPath.IsResolved()) {
-                checks 
-                    .IsResolved() 
+                checks
+                    .IsResolved()
                     .NotUnderDeleting()
                     .FailOnExist(TPathElement::EPathType::EPathTypeSubDomain, acceptExisted);
             } else {
-                checks 
-                    .NotEmpty() 
+                checks
+                    .NotEmpty()
                     .NotResolved();
             }
 
@@ -175,8 +175,8 @@ public:
                     .PathsLimit() //check capacity on root Domain
                     .DirChildrenLimit()
                     .PathShardsLimit(shardsToCreate)
-                    .ShardsLimit(shardsToCreate) //check capacity on root Domain 
-                    .IsValidACL(acl); 
+                    .ShardsLimit(shardsToCreate) //check capacity on root Domain
+                    .IsValidACL(acl);
             }
 
             if (!checks) {
@@ -225,11 +225,11 @@ public:
             return result;
         }
 
-        if (settings.HasResourcesDomainKey()) { 
+        if (settings.HasResourcesDomainKey()) {
             result->SetError(NKikimrScheme::StatusInvalidParameter, "Resources domain key unsupported for non-external subdomains");
-            return result; 
-        } 
- 
+            return result;
+        }
+
         auto domainId = parentPath.DomainId();
         Y_VERIFY(context.SS->PathsById.contains(domainId));
         Y_VERIFY(context.SS->SubDomains.contains(domainId));
@@ -256,11 +256,11 @@ public:
             }
         }
 
-        const auto& userAttrsDetails = Transaction.GetAlterUserAttributes(); 
+        const auto& userAttrsDetails = Transaction.GetAlterUserAttributes();
         TUserAttributes::TPtr userAttrs = new TUserAttributes(1);
- 
-        TString errStr; 
- 
+
+        TString errStr;
+
         if (!userAttrs->ApplyPatch(EUserAttributesOp::CreateSubDomain, userAttrsDetails, errStr) ||
             !userAttrs->CheckLimits(errStr))
         {
@@ -268,7 +268,7 @@ public:
             return result;
         }
 
-        if (!context.SS->CheckApplyIf(Transaction, errStr)) { 
+        if (!context.SS->CheckApplyIf(Transaction, errStr)) {
             result->SetError(NKikimrScheme::StatusPreconditionFailed, errStr);
             return result;
         }
@@ -304,8 +304,8 @@ public:
         TSubDomainInfo::TPtr alter = new TSubDomainInfo(
                     1,
                     settings.GetPlanResolution(),
-                    settings.GetTimeCastBucketsPerMediator(), 
-                    newNode->PathId); 
+                    settings.GetTimeCastBucketsPerMediator(),
+                    newNode->PathId);
 
         alter->SetSchemeLimits(parentPath.DomainInfo()->GetSchemeLimits()); //inherit from root
 
@@ -370,16 +370,16 @@ public:
         return result;
     }
 
-    void AbortPropose(TOperationContext&) override { 
-        Y_FAIL("no AbortPropose for TCreateSubDomain"); 
-    } 
- 
+    void AbortPropose(TOperationContext&) override {
+        Y_FAIL("no AbortPropose for TCreateSubDomain");
+    }
+
     void AbortUnsafe(TTxId forceDropTxId, TOperationContext& context) override {
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TCreateSubDomain AbortUnsafe"
                          << ", opId: " << OperationId
                          << ", forceDropId: " << forceDropTxId
-                         << ", at schemeshard: " << context.SS->TabletID()); 
+                         << ", at schemeshard: " << context.SS->TabletID());
 
         context.OnComplete.DoneOperation(OperationId);
     }
@@ -390,12 +390,12 @@ public:
 namespace NKikimr {
 namespace NSchemeShard {
 
-ISubOperationBase::TPtr CreateSubDomain(TOperationId id, const TTxTransaction& tx) { 
-    return new TCreateSubDomain(id, tx); 
-} 
- 
+ISubOperationBase::TPtr CreateSubDomain(TOperationId id, const TTxTransaction& tx) {
+    return new TCreateSubDomain(id, tx);
+}
+
 ISubOperationBase::TPtr CreateSubDomain(TOperationId id, TTxState::ETxState state) {
-    Y_VERIFY(state != TTxState::Invalid); 
+    Y_VERIFY(state != TTxState::Invalid);
     return new TCreateSubDomain(id, state);
 }
 
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_create_table.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_create_table.cpp
index 2df143fd85..5004522529 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_create_table.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_create_table.cpp
@@ -166,9 +166,9 @@ public:
         TTxState* txState = context.SS->FindTx(OperationId);
         Y_VERIFY(txState->TxType == TTxState::TxCreateTable);
 
-        NKikimrTxDataShard::TFlatSchemeTransaction txTemplate; 
-        context.SS->FillAsyncIndexInfo(txState->TargetPathId, txTemplate); 
- 
+        NKikimrTxDataShard::TFlatSchemeTransaction txTemplate;
+        context.SS->FillAsyncIndexInfo(txState->TargetPathId, txTemplate);
+
         txState->ClearShardsInProgress();
 
         const ui64 subDomainPathId = context.SS->ResolveDomainId(txState->TargetPathId).LocalPathId;
@@ -185,7 +185,7 @@ public:
                         << " datashardId: " << datashardId
                         << " seqNo: " << seqNo);
 
-            NKikimrTxDataShard::TFlatSchemeTransaction tx(txTemplate); 
+            NKikimrTxDataShard::TFlatSchemeTransaction tx(txTemplate);
             auto tableDesc = tx.MutableCreateTable();
             context.SS->FillSeqNo(tx, seqNo);
             context.SS->FillTableDescription(txState->TargetPathId, i, NEW_TABLE_ALTER_VERSION, tableDesc);
@@ -272,11 +272,11 @@ public:
         TTableInfo::TPtr table = context.SS->Tables[pathId];
         Y_VERIFY(table);
         table->AlterVersion = NEW_TABLE_ALTER_VERSION;
- 
-        if (table->IsTTLEnabled()) { 
-            context.SS->TTLEnabledTables[pathId] = table; 
-            context.SS->TabletCounters->Simple()[COUNTER_TTL_ENABLED_TABLE_COUNT].Add(1); 
-        } 
+
+        if (table->IsTTLEnabled()) {
+            context.SS->TTLEnabledTables[pathId] = table;
+            context.SS->TabletCounters->Simple()[COUNTER_TTL_ENABLED_TABLE_COUNT].Add(1);
+        }
         context.SS->PersistTableCreated(db, pathId);
 
         auto parentDir = context.SS->PathsById.at(path->ParentPathId);
@@ -319,7 +319,7 @@ public:
 
 class TCreateTable: public TSubOperation {
     const TOperationId OperationId;
-    const TTxTransaction Transaction; 
+    const TTxTransaction Transaction;
     TTxState::ETxState State = TTxState::Invalid;
 
     bool AllowShadowData = false;
@@ -374,12 +374,12 @@ class TCreateTable: public TSubOperation {
     }
 
 public:
-    TCreateTable(TOperationId id, const TTxTransaction& tx) 
-        : OperationId(id) 
-        , Transaction(tx) 
-    { 
-    } 
- 
+    TCreateTable(TOperationId id, const TTxTransaction& tx)
+        : OperationId(id)
+        , Transaction(tx)
+    {
+    }
+
     TCreateTable(TOperationId id, TTxState::ETxState state)
         : OperationId(id)
         , State(state)
@@ -403,9 +403,9 @@ public:
         const TTabletId ssId = context.SS->SelfTabletId();
 
         const auto acceptExisted = !Transaction.GetFailOnExist();
-        auto schema = Transaction.GetCreateTable(); 
+        auto schema = Transaction.GetCreateTable();
 
-        const TString& parentPathStr = Transaction.GetWorkingDir(); 
+        const TString& parentPathStr = Transaction.GetWorkingDir();
         const TString& name = schema.GetName();
 
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
@@ -426,12 +426,12 @@ public:
         NSchemeShard::TPath parentPath = NSchemeShard::TPath::Resolve(parentPathStr, context.SS);
         {
             NSchemeShard::TPath::TChecker checks = parentPath.Check();
-            checks 
+            checks
                 .NotUnderDomainUpgrade()
-                .IsAtLocalSchemeShard() 
-                .IsResolved() 
-                .NotDeleted() 
-                .NotUnderDeleting(); 
+                .IsAtLocalSchemeShard()
+                .IsResolved()
+                .NotDeleted()
+                .NotUnderDeleting();
 
             if (checks) {
                 if (parentPath.Base()->IsTableIndex()) {
@@ -454,20 +454,20 @@ public:
         }
 
         ui32 shardsToCreate = TTableInfo::ShardsToCreate(schema);
-        const TString acl = Transaction.GetModifyACL().GetDiffACL(); 
+        const TString acl = Transaction.GetModifyACL().GetDiffACL();
 
         NSchemeShard::TPath dstPath = parentPath.Child(name);
         {
             NSchemeShard::TPath::TChecker checks = dstPath.Check();
             checks.IsAtLocalSchemeShard();
             if (dstPath.IsResolved()) {
-                checks 
-                    .IsResolved() 
+                checks
+                    .IsResolved()
                     .NotUnderDeleting()
                     .FailOnExist(TPathElement::EPathType::EPathTypeTable, acceptExisted);
             } else {
-                checks 
-                    .NotEmpty() 
+                checks
+                    .NotEmpty()
                     .NotResolved();
             }
 
@@ -481,8 +481,8 @@ public:
                     .PathsLimit()
                     .DirChildrenLimit()
                     .ShardsLimit(shardsToCreate)
-                    .PathShardsLimit(shardsToCreate) 
-                    .IsValidACL(acl); 
+                    .PathShardsLimit(shardsToCreate)
+                    .IsValidACL(acl);
             }
 
             if (!checks) {
@@ -498,20 +498,20 @@ public:
             }
         }
 
-        if (schema.GetIsBackup()) { 
+        if (schema.GetIsBackup()) {
             result->SetError(NKikimrScheme::StatusInvalidParameter, "Cannot create table with explicit 'IsBackup' property");
-            return result; 
-        } 
- 
+            return result;
+        }
+
         if (parentPath.Base()->IsTableIndex()) {
             LOG_DEBUG_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                          "Creating private table for table index"
                          << ", opId: " << OperationId);
- 
-            if (schema.HasTTLSettings()) { 
+
+            if (schema.HasTTLSettings()) {
                 result->SetError(NKikimrScheme::StatusInvalidParameter, "TTL on index table is not supported");
-                return result; 
-            } 
+                return result;
+            }
         }
 
         auto domainInfo = parentPath.DomainInfo();
@@ -531,8 +531,8 @@ public:
 
         PrepareScheme(schema);
 
-        TString errStr; 
- 
+        TString errStr;
+
         NKikimrSchemeOp::TPartitionConfig compilationPartitionConfig;
         if (!TPartitionConfigMerger::ApplyChanges(compilationPartitionConfig, TPartitionConfigMerger::DefaultConfig(AppData()), schema.GetPartitionConfig(), AppData(), errStr)
             || !TPartitionConfigMerger::VerifyCreateParams(compilationPartitionConfig, AppData(), IsShadowDataAllowed(), errStr)) {
@@ -542,8 +542,8 @@ public:
         schema.MutablePartitionConfig()->CopyFrom(compilationPartitionConfig);
 
         const NScheme::TTypeRegistry* typeRegistry = AppData()->TypeRegistry;
-        const TSchemeLimits& limits = domainInfo->GetSchemeLimits(); 
-        TTableInfo::TAlterDataPtr alterData = TTableInfo::CreateAlterData(nullptr, schema, *typeRegistry, limits, *domainInfo, errStr, LocalSequences); 
+        const TSchemeLimits& limits = domainInfo->GetSchemeLimits();
+        TTableInfo::TAlterDataPtr alterData = TTableInfo::CreateAlterData(nullptr, schema, *typeRegistry, limits, *domainInfo, errStr, LocalSequences);
         if (!alterData.Get()) {
             result->SetError(NKikimrScheme::StatusSchemeError, errStr);
             return result;
@@ -592,20 +592,20 @@ public:
             }
         }
 
-        if (!context.SS->CheckApplyIf(Transaction, errStr)) { 
+        if (!context.SS->CheckApplyIf(Transaction, errStr)) {
             result->SetError(NKikimrScheme::StatusPreconditionFailed, errStr);
             return result;
         }
 
-        TUserAttributes::TPtr userAttrs = new TUserAttributes(1); 
-        const auto& userAttrsDetails = Transaction.GetAlterUserAttributes(); 
+        TUserAttributes::TPtr userAttrs = new TUserAttributes(1);
+        const auto& userAttrsDetails = Transaction.GetAlterUserAttributes();
         if (!userAttrs->ApplyPatch(EUserAttributesOp::CreateTable, userAttrsDetails, errStr) ||
             !userAttrs->CheckLimits(errStr))
         {
             result->SetError(NKikimrScheme::StatusInvalidParameter, errStr);
-            return result; 
-        } 
- 
+            return result;
+        }
+
         dstPath.MaterializeLeaf(owner);
         result->SetPathId(dstPath.Base()->PathId.LocalPathId);
 
@@ -614,7 +614,7 @@ public:
         newTable->LastTxId = OperationId.GetTxId();
         newTable->PathState = TPathElement::EPathState::EPathStateCreate;
         newTable->PathType = TPathElement::EPathType::EPathTypeTable;
-        newTable->UserAttrs->AlterData = userAttrs; 
+        newTable->UserAttrs->AlterData = userAttrs;
 
         NIceDb::TNiceDb db(context.Txc.DB);
 
@@ -638,7 +638,7 @@ public:
 
         context.SS->PersistPath(db, newTable->PathId);
         context.SS->ApplyAndPersistUserAttrs(db, newTable->PathId);
- 
+
         if (!acl.empty()) {
             newTable->ApplyACL(acl);
             context.SS->PersistACL(db, newTable);
@@ -684,16 +684,16 @@ public:
         return result;
     }
 
-    void AbortPropose(TOperationContext&) override { 
-        Y_FAIL("no AbortPropose for TCreateTable"); 
-    } 
- 
+    void AbortPropose(TOperationContext&) override {
+        Y_FAIL("no AbortPropose for TCreateTable");
+    }
+
     void AbortUnsafe(TTxId forceDropTxId, TOperationContext& context) override {
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TCreateTable AbortUnsafe"
                          << ", opId: " << OperationId
                          << ", forceDropId: " << forceDropTxId
-                         << ", at schemeshard: " << context.SS->TabletID()); 
+                         << ", at schemeshard: " << context.SS->TabletID());
 
         context.OnComplete.DoneOperation(OperationId);
     }
@@ -708,8 +708,8 @@ ISubOperationBase::TPtr CreateNewTable(TOperationId id, const TTxTransaction& tx
     auto obj = MakeHolder<TCreateTable>(id, tx);
     obj->SetLocalSequences(localSequences);
     return obj.Release();
-} 
- 
+}
+
 ISubOperationBase::TPtr CreateNewTable(TOperationId id, TTxState::ETxState state) {
     Y_VERIFY(state != TTxState::Invalid);
     return new TCreateTable(id, state);
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_db_changes.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_db_changes.cpp
index 7a9041ddf0..0fd238ee18 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_db_changes.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_db_changes.cpp
@@ -30,14 +30,14 @@ void TStorageChanges::Apply(TSchemeShard* ss, NTabletFlatExecutor::TTransactionC
         ss->PersistTableIndex(db, pId);
     }
 
-    for (const auto& pId: AlterCdcStreams) { 
-        ss->PersistCdcStreamAlterData(db, pId); 
-    } 
- 
-    for (const auto& pId: ApplyCdcStreams) { 
-        ss->PersistCdcStream(db, pId); 
-    } 
- 
+    for (const auto& pId: AlterCdcStreams) {
+        ss->PersistCdcStreamAlterData(db, pId);
+    }
+
+    for (const auto& pId: ApplyCdcStreams) {
+        ss->PersistCdcStream(db, pId);
+    }
+
     for (const auto& pId: Tables) {
         ss->PersistTable(db, pId);
     }
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_db_changes.h b/ydb/core/tx/schemeshard/schemeshard__operation_db_changes.h
index 77af9b51c0..84a22a34ef 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_db_changes.h
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_db_changes.h
@@ -26,9 +26,9 @@ class TStorageChanges: public TSimpleRefCount<TStorageChanges> {
     TDeque<TPathId> AlterIndexes;
     TDeque<TPathId> ApplyIndexes;
 
-    TDeque<TPathId> AlterCdcStreams; 
-    TDeque<TPathId> ApplyCdcStreams; 
- 
+    TDeque<TPathId> AlterCdcStreams;
+    TDeque<TPathId> ApplyCdcStreams;
+
     TDeque<TOperationId> TxStates;
 
 public:
@@ -58,14 +58,14 @@ public:
         ApplyIndexes.push_back(pathId);
     }
 
-    void PersistAlterCdcStream(const TPathId& pathId) { 
-        AlterCdcStreams.push_back(pathId); 
-    } 
- 
-    void PersistApplyCdcStream(const TPathId& pathId) { 
-        ApplyCdcStreams.push_back(pathId); 
-    } 
- 
+    void PersistAlterCdcStream(const TPathId& pathId) {
+        AlterCdcStreams.push_back(pathId);
+    }
+
+    void PersistApplyCdcStream(const TPathId& pathId) {
+        ApplyCdcStreams.push_back(pathId);
+    }
+
     void PersistTxState(const TOperationId& opId) {
         TxStates.push_back(opId);
     }
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_drop_bsv.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_drop_bsv.cpp
index 074806fe53..e6f0322026 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_drop_bsv.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_drop_bsv.cpp
@@ -116,8 +116,8 @@ public:
         context.OnComplete.PublishToSchemeBoard(OperationId, parentDir->PathId);
 
         context.SS->ClearDescribePathCaches(path);
-        context.OnComplete.PublishToSchemeBoard(OperationId, pathId); 
- 
+        context.OnComplete.PublishToSchemeBoard(OperationId, pathId);
+
         context.OnComplete.DoneOperation(OperationId);
 
         return true;
@@ -141,8 +141,8 @@ public:
 
 
 class TDropBlockStoreVolume: public TSubOperation {
-    const TOperationId OperationId; 
-    const TTxTransaction Transaction; 
+    const TOperationId OperationId;
+    const TTxTransaction Transaction;
     TTxState::ETxState State = TTxState::Invalid;
 
     TTxState::ETxState NextState() {
@@ -182,11 +182,11 @@ class TDropBlockStoreVolume: public TSubOperation {
     }
 
 public:
-    TDropBlockStoreVolume(TOperationId id, const TTxTransaction& tx) 
+    TDropBlockStoreVolume(TOperationId id, const TTxTransaction& tx)
         : OperationId(id)
-        , Transaction(tx) 
-    { 
-    } 
+        , Transaction(tx)
+    {
+    }
 
     TDropBlockStoreVolume(TOperationId id, TTxState::ETxState state)
         : OperationId(id)
@@ -198,10 +198,10 @@ public:
     THolder<TProposeResponse> Propose(const TString&, TOperationContext& context) override {
         const TTabletId ssId = context.SS->SelfTabletId();
 
-        const auto& drop = Transaction.GetDrop(); 
+        const auto& drop = Transaction.GetDrop();
 
-        const TString& parentPathStr = Transaction.GetWorkingDir(); 
-        const TString& name = drop.GetName(); 
+        const TString& parentPathStr = Transaction.GetWorkingDir();
+        const TString& name = drop.GetName();
 
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TDropBlockStoreVolume Propose"
@@ -218,8 +218,8 @@ public:
 
         {
             TPath::TChecker checks = path.Check();
-            checks 
-                .NotEmpty() 
+            checks
+                .NotEmpty()
                 .NotUnderDomainUpgrade()
                 .IsAtLocalSchemeShard()
                 .IsResolved()
@@ -242,8 +242,8 @@ public:
             }
         }
 
-        TString errStr; 
-        if (!context.SS->CheckApplyIf(Transaction, errStr)) { 
+        TString errStr;
+        if (!context.SS->CheckApplyIf(Transaction, errStr)) {
             result->SetError(NKikimrScheme::StatusPreconditionFailed, errStr);
             return result;
         }
@@ -296,16 +296,16 @@ public:
         return result;
     }
 
-    void AbortPropose(TOperationContext&) override { 
-        Y_FAIL("no AbortPropose for TDropBlockStoreVolume"); 
-    } 
- 
+    void AbortPropose(TOperationContext&) override {
+        Y_FAIL("no AbortPropose for TDropBlockStoreVolume");
+    }
+
     void AbortUnsafe(TTxId forceDropTxId, TOperationContext& context) override {
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TDropBlockStorageVolume AbortUnsafe"
                          << ", opId: " << OperationId
                          << ", forceDropId: " << forceDropTxId
-                         << ", at schemeshard: " << context.SS->TabletID()); 
+                         << ", at schemeshard: " << context.SS->TabletID());
 
         TTxState* txState = context.SS->FindTx(OperationId);
         Y_VERIFY(txState);
@@ -330,12 +330,12 @@ public:
 namespace NKikimr {
 namespace NSchemeShard {
 
-ISubOperationBase::TPtr CreateDropBSV(TOperationId id, const TTxTransaction& tx) { 
-    return new TDropBlockStoreVolume(id, tx); 
-} 
- 
+ISubOperationBase::TPtr CreateDropBSV(TOperationId id, const TTxTransaction& tx) {
+    return new TDropBlockStoreVolume(id, tx);
+}
+
 ISubOperationBase::TPtr CreateDropBSV(TOperationId id, TTxState::ETxState state) {
-    Y_VERIFY(state != TTxState::Invalid); 
+    Y_VERIFY(state != TTxState::Invalid);
     return new TDropBlockStoreVolume(id, state);
 }
 
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_drop_cdc_stream.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_drop_cdc_stream.cpp
index f4a449c444..9d02b90e0d 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_drop_cdc_stream.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_drop_cdc_stream.cpp
@@ -1,556 +1,556 @@
-#include "schemeshard__operation_part.h" 
-#include "schemeshard__operation_common.h" 
-#include "schemeshard_impl.h" 
- 
-#define LOG_D(stream) LOG_DEBUG_S (context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "[" << context.SS->TabletID() << "] " << stream) 
-#define LOG_I(stream) LOG_INFO_S  (context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "[" << context.SS->TabletID() << "] " << stream) 
-#define LOG_N(stream) LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "[" << context.SS->TabletID() << "] " << stream) 
- 
-namespace NKikimr { 
+#include "schemeshard__operation_part.h"
+#include "schemeshard__operation_common.h"
+#include "schemeshard_impl.h"
+
+#define LOG_D(stream) LOG_DEBUG_S (context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "[" << context.SS->TabletID() << "] " << stream)
+#define LOG_I(stream) LOG_INFO_S  (context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "[" << context.SS->TabletID() << "] " << stream)
+#define LOG_N(stream) LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "[" << context.SS->TabletID() << "] " << stream)
+
+namespace NKikimr {
 namespace NSchemeShard {
- 
-namespace { 
- 
-class TPropose: public TSubOperationState { 
+
+namespace {
+
+class TPropose: public TSubOperationState {
     TString DebugHint() const override {
-        return TStringBuilder() 
-            << "DropCdcStream TPropose" 
-            << " opId# " << OperationId << " "; 
-    } 
- 
-public: 
-    explicit TPropose(TOperationId id) 
-        : OperationId(id) 
-    { 
-        IgnoreMessages(DebugHint(), {}); 
-    } 
- 
-    bool ProgressState(TOperationContext& context) override { 
-        LOG_I(DebugHint() << "ProgressState"); 
- 
-        const auto* txState = context.SS->FindTx(OperationId); 
-        Y_VERIFY(txState); 
-        Y_VERIFY(txState->TxType == TTxState::TxDropCdcStream); 
- 
-        context.OnComplete.ProposeToCoordinator(OperationId, txState->TargetPathId, TStepId(0)); 
-        return false; 
-    } 
- 
-    bool HandleReply(TEvPrivate::TEvOperationPlan::TPtr& ev, TOperationContext& context) override { 
-        const auto step = TStepId(ev->Get()->StepId); 
- 
-        LOG_I(DebugHint() << "HandleReply TEvOperationPlan" 
-            << ": step# " << step); 
- 
-        const auto* txState = context.SS->FindTx(OperationId); 
-        Y_VERIFY(txState); 
-        Y_VERIFY(txState->TxType == TTxState::TxDropCdcStream); 
-        const auto& pathId = txState->TargetPathId; 
- 
-        Y_VERIFY(context.SS->PathsById.contains(pathId)); 
-        auto path = context.SS->PathsById.at(pathId); 
- 
-        Y_VERIFY(!path->Dropped()); 
-        path->SetDropped(step, OperationId.GetTxId()); 
- 
-        NIceDb::TNiceDb db(context.Txc.DB); 
- 
-        context.SS->PersistDropStep(db, pathId, step, OperationId); 
-        context.SS->PersistRemoveCdcStream(db, pathId); 
- 
-        Y_VERIFY(context.SS->PathsById.contains(path->ParentPathId)); 
-        auto parent = context.SS->PathsById.at(path->ParentPathId); 
- 
-        context.SS->ResolveDomainInfo(pathId)->DecPathsInside(); 
-        parent->DecAliveChildren(); 
- 
-        context.SS->ClearDescribePathCaches(path); 
-        context.OnComplete.PublishToSchemeBoard(OperationId, pathId); 
- 
-        context.SS->ChangeTxState(db, OperationId, TTxState::Done); 
-        return true; 
-    } 
- 
-private: 
-    const TOperationId OperationId; 
- 
-}; // TPropose 
- 
-class TDropCdcStream: public TSubOperation { 
-    static TTxState::ETxState NextState() { 
-        return TTxState::Propose; 
-    } 
- 
-    static TTxState::ETxState NextState(TTxState::ETxState state) { 
-        switch (state) { 
-        case TTxState::Propose: 
-            return TTxState::Done; 
-        default: 
-            return TTxState::Invalid; 
-        } 
-    } 
- 
-    TSubOperationState::TPtr SelectStateFunc(TTxState::ETxState state) { 
-        switch (state) { 
-        case TTxState::Propose: 
-            return THolder(new TPropose(OperationId)); 
-        case TTxState::Done: 
-            return THolder(new TDone(OperationId)); 
-        default: 
-            return nullptr; 
-        } 
-    } 
- 
-    void StateDone(TOperationContext& context) override { 
-        State = NextState(State); 
- 
-        if (State != TTxState::Invalid) { 
-            SetState(SelectStateFunc(State)); 
-            context.OnComplete.ActivateTx(OperationId); 
-        } 
-    } 
- 
-public: 
-    explicit TDropCdcStream(TOperationId id, const TTxTransaction& tx) 
-        : OperationId(id) 
-        , Transaction(tx) 
-        , State(TTxState::Invalid) 
-    { 
-    } 
- 
-    explicit TDropCdcStream(TOperationId id, TTxState::ETxState state) 
-        : OperationId(id) 
-        , State(state) 
-    { 
-        SetState(SelectStateFunc(state)); 
-    } 
- 
+        return TStringBuilder()
+            << "DropCdcStream TPropose"
+            << " opId# " << OperationId << " ";
+    }
+
+public:
+    explicit TPropose(TOperationId id)
+        : OperationId(id)
+    {
+        IgnoreMessages(DebugHint(), {});
+    }
+
+    bool ProgressState(TOperationContext& context) override {
+        LOG_I(DebugHint() << "ProgressState");
+
+        const auto* txState = context.SS->FindTx(OperationId);
+        Y_VERIFY(txState);
+        Y_VERIFY(txState->TxType == TTxState::TxDropCdcStream);
+
+        context.OnComplete.ProposeToCoordinator(OperationId, txState->TargetPathId, TStepId(0));
+        return false;
+    }
+
+    bool HandleReply(TEvPrivate::TEvOperationPlan::TPtr& ev, TOperationContext& context) override {
+        const auto step = TStepId(ev->Get()->StepId);
+
+        LOG_I(DebugHint() << "HandleReply TEvOperationPlan"
+            << ": step# " << step);
+
+        const auto* txState = context.SS->FindTx(OperationId);
+        Y_VERIFY(txState);
+        Y_VERIFY(txState->TxType == TTxState::TxDropCdcStream);
+        const auto& pathId = txState->TargetPathId;
+
+        Y_VERIFY(context.SS->PathsById.contains(pathId));
+        auto path = context.SS->PathsById.at(pathId);
+
+        Y_VERIFY(!path->Dropped());
+        path->SetDropped(step, OperationId.GetTxId());
+
+        NIceDb::TNiceDb db(context.Txc.DB);
+
+        context.SS->PersistDropStep(db, pathId, step, OperationId);
+        context.SS->PersistRemoveCdcStream(db, pathId);
+
+        Y_VERIFY(context.SS->PathsById.contains(path->ParentPathId));
+        auto parent = context.SS->PathsById.at(path->ParentPathId);
+
+        context.SS->ResolveDomainInfo(pathId)->DecPathsInside();
+        parent->DecAliveChildren();
+
+        context.SS->ClearDescribePathCaches(path);
+        context.OnComplete.PublishToSchemeBoard(OperationId, pathId);
+
+        context.SS->ChangeTxState(db, OperationId, TTxState::Done);
+        return true;
+    }
+
+private:
+    const TOperationId OperationId;
+
+}; // TPropose
+
+class TDropCdcStream: public TSubOperation {
+    static TTxState::ETxState NextState() {
+        return TTxState::Propose;
+    }
+
+    static TTxState::ETxState NextState(TTxState::ETxState state) {
+        switch (state) {
+        case TTxState::Propose:
+            return TTxState::Done;
+        default:
+            return TTxState::Invalid;
+        }
+    }
+
+    TSubOperationState::TPtr SelectStateFunc(TTxState::ETxState state) {
+        switch (state) {
+        case TTxState::Propose:
+            return THolder(new TPropose(OperationId));
+        case TTxState::Done:
+            return THolder(new TDone(OperationId));
+        default:
+            return nullptr;
+        }
+    }
+
+    void StateDone(TOperationContext& context) override {
+        State = NextState(State);
+
+        if (State != TTxState::Invalid) {
+            SetState(SelectStateFunc(State));
+            context.OnComplete.ActivateTx(OperationId);
+        }
+    }
+
+public:
+    explicit TDropCdcStream(TOperationId id, const TTxTransaction& tx)
+        : OperationId(id)
+        , Transaction(tx)
+        , State(TTxState::Invalid)
+    {
+    }
+
+    explicit TDropCdcStream(TOperationId id, TTxState::ETxState state)
+        : OperationId(id)
+        , State(state)
+    {
+        SetState(SelectStateFunc(state));
+    }
+
     THolder<TProposeResponse> Propose(const TString&, TOperationContext& context) override {
-        const auto& workingDir = Transaction.GetWorkingDir(); 
-        const auto& op = Transaction.GetDrop(); 
-        const auto& streamName = op.GetName(); 
- 
-        LOG_N("TDropCdcStream Propose" 
-            << ": opId# " << OperationId 
-            << ", stream# " << workingDir << "/" << streamName); 
- 
+        const auto& workingDir = Transaction.GetWorkingDir();
+        const auto& op = Transaction.GetDrop();
+        const auto& streamName = op.GetName();
+
+        LOG_N("TDropCdcStream Propose"
+            << ": opId# " << OperationId
+            << ", stream# " << workingDir << "/" << streamName);
+
         auto result = MakeHolder<TProposeResponse>(NKikimrScheme::StatusAccepted, ui64(OperationId.GetTxId()), context.SS->TabletID());
- 
-        const auto streamPath = op.HasId() 
-            ? TPath::Init(context.SS->MakeLocalId(op.GetId()), context.SS) 
-            : TPath::Resolve(workingDir, context.SS).Dive(streamName); 
-        { 
-            const auto checks = streamPath.Check(); 
-            checks 
-                .NotEmpty() 
-                .NotUnderDomainUpgrade() 
-                .IsAtLocalSchemeShard() 
-                .IsResolved() 
-                .NotDeleted() 
-                .IsCdcStream() 
-                .NotUnderDeleting() 
-                .NotUnderOperation(); 
- 
-            if (!checks) { 
-                TString explain = TStringBuilder() << "path checks failed, path: " << streamPath.PathString(); 
-                const auto status = checks.GetStatus(&explain); 
-                result->SetError(status, explain); 
-                return result; 
-            } 
-        } 
- 
-        const auto tablePath = streamPath.Parent(); 
-        { 
-            const auto checks = tablePath.Check(); 
-            checks 
-                .NotEmpty() 
-                .NotUnderDomainUpgrade() 
-                .IsAtLocalSchemeShard() 
-                .IsResolved() 
-                .NotDeleted() 
-                .IsTable() 
-                .IsCommonSensePath() 
-                .IsUnderOperation() 
-                .IsUnderTheSameOperation(OperationId.GetTxId()); 
- 
-            if (!checks) { 
-                TString explain = TStringBuilder() << "path checks failed, path: " << tablePath.PathString(); 
-                const auto status = checks.GetStatus(&explain); 
-                result->SetError(status, explain); 
-                return result; 
-            } 
-        } 
- 
-        context.DbChanges.PersistTxState(OperationId); 
- 
-        Y_VERIFY(!context.SS->FindTx(OperationId)); 
-        auto& txState = context.SS->CreateTx(OperationId, TTxState::TxDropCdcStream, streamPath.Base()->PathId); 
-        txState.State = TTxState::Propose; 
-        txState.MinStep = TStepId(1); 
- 
-        streamPath.Base()->PathState = TPathElement::EPathState::EPathStateDrop; 
-        streamPath.Base()->DropTxId = OperationId.GetTxId(); 
-        streamPath.Base()->LastTxId = OperationId.GetTxId(); 
- 
+
+        const auto streamPath = op.HasId()
+            ? TPath::Init(context.SS->MakeLocalId(op.GetId()), context.SS)
+            : TPath::Resolve(workingDir, context.SS).Dive(streamName);
+        {
+            const auto checks = streamPath.Check();
+            checks
+                .NotEmpty()
+                .NotUnderDomainUpgrade()
+                .IsAtLocalSchemeShard()
+                .IsResolved()
+                .NotDeleted()
+                .IsCdcStream()
+                .NotUnderDeleting()
+                .NotUnderOperation();
+
+            if (!checks) {
+                TString explain = TStringBuilder() << "path checks failed, path: " << streamPath.PathString();
+                const auto status = checks.GetStatus(&explain);
+                result->SetError(status, explain);
+                return result;
+            }
+        }
+
+        const auto tablePath = streamPath.Parent();
+        {
+            const auto checks = tablePath.Check();
+            checks
+                .NotEmpty()
+                .NotUnderDomainUpgrade()
+                .IsAtLocalSchemeShard()
+                .IsResolved()
+                .NotDeleted()
+                .IsTable()
+                .IsCommonSensePath()
+                .IsUnderOperation()
+                .IsUnderTheSameOperation(OperationId.GetTxId());
+
+            if (!checks) {
+                TString explain = TStringBuilder() << "path checks failed, path: " << tablePath.PathString();
+                const auto status = checks.GetStatus(&explain);
+                result->SetError(status, explain);
+                return result;
+            }
+        }
+
+        context.DbChanges.PersistTxState(OperationId);
+
+        Y_VERIFY(!context.SS->FindTx(OperationId));
+        auto& txState = context.SS->CreateTx(OperationId, TTxState::TxDropCdcStream, streamPath.Base()->PathId);
+        txState.State = TTxState::Propose;
+        txState.MinStep = TStepId(1);
+
+        streamPath.Base()->PathState = TPathElement::EPathState::EPathStateDrop;
+        streamPath.Base()->DropTxId = OperationId.GetTxId();
+        streamPath.Base()->LastTxId = OperationId.GetTxId();
+
         context.SS->TabletCounters->Simple()[COUNTER_CDC_STREAMS_COUNT].Sub(1);
-        context.SS->ClearDescribePathCaches(streamPath.Base()); 
-        context.OnComplete.PublishToSchemeBoard(OperationId, streamPath.Base()->PathId); 
-        context.OnComplete.ActivateTx(OperationId); 
- 
-        State = NextState(); 
-        SetState(SelectStateFunc(State)); 
- 
-        return result; 
-    } 
- 
-    void AbortPropose(TOperationContext&) override { 
-        Y_FAIL("no AbortPropose for TDropCdcStream"); 
-    } 
- 
-    void AbortUnsafe(TTxId txId, TOperationContext& context) override { 
-        LOG_N("TDropCdcStream AbortUnsafe" 
-            << ": opId# " << OperationId 
-            << ", txId# " << txId); 
-        context.OnComplete.DoneOperation(OperationId); 
-    } 
- 
-private: 
-    const TOperationId OperationId; 
-    const TTxTransaction Transaction; 
-    TTxState::ETxState State; 
- 
-}; // TDropCdcStream 
- 
-class TConfigurePartsAtTable: public NCdcStreamState::TConfigurePartsAtTable { 
-protected: 
-    void FillNotice(const TPathId& pathId, NKikimrTxDataShard::TFlatSchemeTransaction& tx, TOperationContext& context) const override { 
-        Y_VERIFY(context.SS->PathsById.contains(pathId)); 
-        auto path = context.SS->PathsById.at(pathId); 
- 
-        Y_VERIFY(context.SS->Tables.contains(pathId)); 
-        auto table = context.SS->Tables.at(pathId); 
- 
-        auto& notice = *tx.MutableDropCdcStreamNotice(); 
-        PathIdFromPathId(pathId, notice.MutablePathId()); 
-        notice.SetTableSchemaVersion(table->AlterVersion + 1); 
- 
-        bool found = false; 
-        for (const auto& [_, childPathId] : path->GetChildren()) { 
-            Y_VERIFY(context.SS->PathsById.contains(childPathId)); 
-            auto childPath = context.SS->PathsById.at(childPathId); 
- 
-            if (!childPath->IsCdcStream() || !childPath->PlannedToDrop()) { 
-                continue; 
-            } 
- 
-            Y_VERIFY_S(!found, "Too many cdc streams are planned to drop" 
-                << ": found# " << PathIdFromPathId(notice.GetStreamPathId()) 
-                << ", another# " << childPathId); 
-            found = true; 
- 
-            PathIdFromPathId(childPathId, notice.MutableStreamPathId()); 
-        } 
-    } 
- 
-public: 
-    using NCdcStreamState::TConfigurePartsAtTable::TConfigurePartsAtTable; 
- 
-}; // TConfigurePartsAtTable 
- 
-class TDropCdcStreamAtTable: public TSubOperation { 
-    static TTxState::ETxState NextState() { 
-        return TTxState::ConfigureParts; 
-    } 
- 
-    static TTxState::ETxState NextState(TTxState::ETxState state) { 
-        switch (state) { 
-        case TTxState::Waiting: 
-        case TTxState::ConfigureParts: 
-            return TTxState::Propose; 
-        case TTxState::Propose: 
-            return TTxState::ProposedWaitParts; 
-        case TTxState::ProposedWaitParts: 
-            return TTxState::Done; 
-        default: 
-            return TTxState::Invalid; 
-        } 
- 
-        return TTxState::Invalid; 
-    } 
- 
-    TSubOperationState::TPtr SelectStateFunc(TTxState::ETxState state) { 
-        switch (state) { 
-        case TTxState::Waiting: 
-        case TTxState::ConfigureParts: 
-            return THolder(new TConfigurePartsAtTable(OperationId)); 
-        case TTxState::Propose: 
-            return THolder(new NCdcStreamState::TProposeAtTable(OperationId)); 
-        case TTxState::ProposedWaitParts: 
-            return THolder(new NTableState::TProposedWaitParts(OperationId)); 
-        case TTxState::Done: 
-            return THolder(new TDone(OperationId)); 
-        default: 
-            return nullptr; 
-        } 
-    } 
- 
-    void StateDone(TOperationContext& context) override { 
-        State = NextState(State); 
- 
-        if (State != TTxState::Invalid) { 
-            SetState(SelectStateFunc(State)); 
-            context.OnComplete.ActivateTx(OperationId); 
-        } 
-    } 
- 
-public: 
-    explicit TDropCdcStreamAtTable(TOperationId id, const TTxTransaction& tx) 
-        : OperationId(id) 
-        , Transaction(tx) 
-        , State(TTxState::Invalid) 
-    { 
-    } 
- 
-    explicit TDropCdcStreamAtTable(TOperationId id, TTxState::ETxState state) 
-        : OperationId(id) 
-        , State(state) 
-    { 
-        SetState(SelectStateFunc(state)); 
-    } 
- 
+        context.SS->ClearDescribePathCaches(streamPath.Base());
+        context.OnComplete.PublishToSchemeBoard(OperationId, streamPath.Base()->PathId);
+        context.OnComplete.ActivateTx(OperationId);
+
+        State = NextState();
+        SetState(SelectStateFunc(State));
+
+        return result;
+    }
+
+    void AbortPropose(TOperationContext&) override {
+        Y_FAIL("no AbortPropose for TDropCdcStream");
+    }
+
+    void AbortUnsafe(TTxId txId, TOperationContext& context) override {
+        LOG_N("TDropCdcStream AbortUnsafe"
+            << ": opId# " << OperationId
+            << ", txId# " << txId);
+        context.OnComplete.DoneOperation(OperationId);
+    }
+
+private:
+    const TOperationId OperationId;
+    const TTxTransaction Transaction;
+    TTxState::ETxState State;
+
+}; // TDropCdcStream
+
+class TConfigurePartsAtTable: public NCdcStreamState::TConfigurePartsAtTable {
+protected:
+    void FillNotice(const TPathId& pathId, NKikimrTxDataShard::TFlatSchemeTransaction& tx, TOperationContext& context) const override {
+        Y_VERIFY(context.SS->PathsById.contains(pathId));
+        auto path = context.SS->PathsById.at(pathId);
+
+        Y_VERIFY(context.SS->Tables.contains(pathId));
+        auto table = context.SS->Tables.at(pathId);
+
+        auto& notice = *tx.MutableDropCdcStreamNotice();
+        PathIdFromPathId(pathId, notice.MutablePathId());
+        notice.SetTableSchemaVersion(table->AlterVersion + 1);
+
+        bool found = false;
+        for (const auto& [_, childPathId] : path->GetChildren()) {
+            Y_VERIFY(context.SS->PathsById.contains(childPathId));
+            auto childPath = context.SS->PathsById.at(childPathId);
+
+            if (!childPath->IsCdcStream() || !childPath->PlannedToDrop()) {
+                continue;
+            }
+
+            Y_VERIFY_S(!found, "Too many cdc streams are planned to drop"
+                << ": found# " << PathIdFromPathId(notice.GetStreamPathId())
+                << ", another# " << childPathId);
+            found = true;
+
+            PathIdFromPathId(childPathId, notice.MutableStreamPathId());
+        }
+    }
+
+public:
+    using NCdcStreamState::TConfigurePartsAtTable::TConfigurePartsAtTable;
+
+}; // TConfigurePartsAtTable
+
+class TDropCdcStreamAtTable: public TSubOperation {
+    static TTxState::ETxState NextState() {
+        return TTxState::ConfigureParts;
+    }
+
+    static TTxState::ETxState NextState(TTxState::ETxState state) {
+        switch (state) {
+        case TTxState::Waiting:
+        case TTxState::ConfigureParts:
+            return TTxState::Propose;
+        case TTxState::Propose:
+            return TTxState::ProposedWaitParts;
+        case TTxState::ProposedWaitParts:
+            return TTxState::Done;
+        default:
+            return TTxState::Invalid;
+        }
+
+        return TTxState::Invalid;
+    }
+
+    TSubOperationState::TPtr SelectStateFunc(TTxState::ETxState state) {
+        switch (state) {
+        case TTxState::Waiting:
+        case TTxState::ConfigureParts:
+            return THolder(new TConfigurePartsAtTable(OperationId));
+        case TTxState::Propose:
+            return THolder(new NCdcStreamState::TProposeAtTable(OperationId));
+        case TTxState::ProposedWaitParts:
+            return THolder(new NTableState::TProposedWaitParts(OperationId));
+        case TTxState::Done:
+            return THolder(new TDone(OperationId));
+        default:
+            return nullptr;
+        }
+    }
+
+    void StateDone(TOperationContext& context) override {
+        State = NextState(State);
+
+        if (State != TTxState::Invalid) {
+            SetState(SelectStateFunc(State));
+            context.OnComplete.ActivateTx(OperationId);
+        }
+    }
+
+public:
+    explicit TDropCdcStreamAtTable(TOperationId id, const TTxTransaction& tx)
+        : OperationId(id)
+        , Transaction(tx)
+        , State(TTxState::Invalid)
+    {
+    }
+
+    explicit TDropCdcStreamAtTable(TOperationId id, TTxState::ETxState state)
+        : OperationId(id)
+        , State(state)
+    {
+        SetState(SelectStateFunc(state));
+    }
+
     THolder<TProposeResponse> Propose(const TString&, TOperationContext& context) override {
-        const auto& workingDir = Transaction.GetWorkingDir(); 
-        const auto& op = Transaction.GetDropCdcStream(); 
-        const auto& tableName = op.GetTableName(); 
-        const auto& streamName = op.GetStreamName(); 
- 
-        LOG_N("TDropCdcStreamAtTable Propose" 
-            << ": opId# " << OperationId 
-            << ", stream# " << workingDir << "/" << tableName << "/" << streamName); 
- 
+        const auto& workingDir = Transaction.GetWorkingDir();
+        const auto& op = Transaction.GetDropCdcStream();
+        const auto& tableName = op.GetTableName();
+        const auto& streamName = op.GetStreamName();
+
+        LOG_N("TDropCdcStreamAtTable Propose"
+            << ": opId# " << OperationId
+            << ", stream# " << workingDir << "/" << tableName << "/" << streamName);
+
         auto result = MakeHolder<TProposeResponse>(NKikimrScheme::StatusAccepted, ui64(OperationId.GetTxId()), context.SS->TabletID());
- 
-        const auto tablePath = TPath::Resolve(workingDir, context.SS).Dive(tableName); 
-        { 
-            const auto checks = tablePath.Check(); 
-            checks 
-                .NotEmpty() 
-                .NotUnderDomainUpgrade() 
-                .IsAtLocalSchemeShard() 
-                .IsResolved() 
-                .NotDeleted() 
-                .IsTable() 
-                .IsCommonSensePath() 
-                .NotUnderDeleting() 
-                .NotUnderOperation(); 
- 
-            if (!checks) { 
-                TString explain = TStringBuilder() << "path checks failed, path: " << tablePath.PathString(); 
-                const auto status = checks.GetStatus(&explain); 
-                result->SetError(status, explain); 
-                return result; 
-            } 
-        } 
- 
-        const auto streamPath = tablePath.Child(streamName); 
-        { 
-            const auto checks = streamPath.Check(); 
-            checks 
-                .NotEmpty() 
-                .NotUnderDomainUpgrade() 
-                .IsAtLocalSchemeShard() 
-                .IsResolved() 
-                .NotDeleted() 
-                .IsCdcStream() 
-                .NotUnderDeleting() 
-                .NotUnderOperation(); 
- 
-            if (!checks) { 
-                TString explain = TStringBuilder() << "path checks failed, path: " << streamPath.PathString(); 
-                const auto status = checks.GetStatus(&explain); 
-                result->SetError(status, explain); 
-                return result; 
-            } 
-        } 
- 
-        TString errStr; 
-        if (!context.SS->CheckApplyIf(Transaction, errStr)) { 
+
+        const auto tablePath = TPath::Resolve(workingDir, context.SS).Dive(tableName);
+        {
+            const auto checks = tablePath.Check();
+            checks
+                .NotEmpty()
+                .NotUnderDomainUpgrade()
+                .IsAtLocalSchemeShard()
+                .IsResolved()
+                .NotDeleted()
+                .IsTable()
+                .IsCommonSensePath()
+                .NotUnderDeleting()
+                .NotUnderOperation();
+
+            if (!checks) {
+                TString explain = TStringBuilder() << "path checks failed, path: " << tablePath.PathString();
+                const auto status = checks.GetStatus(&explain);
+                result->SetError(status, explain);
+                return result;
+            }
+        }
+
+        const auto streamPath = tablePath.Child(streamName);
+        {
+            const auto checks = streamPath.Check();
+            checks
+                .NotEmpty()
+                .NotUnderDomainUpgrade()
+                .IsAtLocalSchemeShard()
+                .IsResolved()
+                .NotDeleted()
+                .IsCdcStream()
+                .NotUnderDeleting()
+                .NotUnderOperation();
+
+            if (!checks) {
+                TString explain = TStringBuilder() << "path checks failed, path: " << streamPath.PathString();
+                const auto status = checks.GetStatus(&explain);
+                result->SetError(status, explain);
+                return result;
+            }
+        }
+
+        TString errStr;
+        if (!context.SS->CheckApplyIf(Transaction, errStr)) {
             result->SetError(NKikimrScheme::StatusPreconditionFailed, errStr);
-            return result; 
-        } 
- 
-        if (!context.SS->CheckLocks(tablePath.Base()->PathId, Transaction, errStr)) { 
+            return result;
+        }
+
+        if (!context.SS->CheckLocks(tablePath.Base()->PathId, Transaction, errStr)) {
             result->SetError(NKikimrScheme::StatusMultipleModifications, errStr);
-            return result; 
-        } 
- 
-        context.DbChanges.PersistTxState(OperationId); 
- 
-        Y_VERIFY(context.SS->Tables.contains(tablePath.Base()->PathId)); 
-        auto table = context.SS->Tables.at(tablePath.Base()->PathId); 
- 
-        Y_VERIFY(table->AlterVersion != 0); 
-        Y_VERIFY(!table->AlterData); 
- 
-        Y_VERIFY(context.SS->CdcStreams.contains(streamPath.Base()->PathId)); 
-        auto stream = context.SS->CdcStreams.at(streamPath.Base()->PathId); 
- 
-        Y_VERIFY(stream->AlterVersion != 0); 
-        Y_VERIFY(!stream->AlterData); 
- 
-        Y_VERIFY(!context.SS->FindTx(OperationId)); 
-        auto& txState = context.SS->CreateTx(OperationId, TTxState::TxDropCdcStreamAtTable, tablePath.Base()->PathId); 
-        txState.State = TTxState::ConfigureParts; 
- 
+            return result;
+        }
+
+        context.DbChanges.PersistTxState(OperationId);
+
+        Y_VERIFY(context.SS->Tables.contains(tablePath.Base()->PathId));
+        auto table = context.SS->Tables.at(tablePath.Base()->PathId);
+
+        Y_VERIFY(table->AlterVersion != 0);
+        Y_VERIFY(!table->AlterData);
+
+        Y_VERIFY(context.SS->CdcStreams.contains(streamPath.Base()->PathId));
+        auto stream = context.SS->CdcStreams.at(streamPath.Base()->PathId);
+
+        Y_VERIFY(stream->AlterVersion != 0);
+        Y_VERIFY(!stream->AlterData);
+
+        Y_VERIFY(!context.SS->FindTx(OperationId));
+        auto& txState = context.SS->CreateTx(OperationId, TTxState::TxDropCdcStreamAtTable, tablePath.Base()->PathId);
+        txState.State = TTxState::ConfigureParts;
+
         tablePath.Base()->PathState = NKikimrSchemeOp::EPathStateAlter;
-        tablePath.Base()->LastTxId = OperationId.GetTxId(); 
- 
-        for (const auto& splitOpId : table->GetSplitOpsInFlight()) { 
-            context.OnComplete.Dependence(splitOpId.GetTxId(), OperationId.GetTxId()); 
-        } 
- 
-        context.OnComplete.ActivateTx(OperationId); 
- 
-        State = NextState(); 
-        SetState(SelectStateFunc(State)); 
- 
-        return result; 
-    } 
- 
-    void AbortPropose(TOperationContext&) override { 
-        Y_FAIL("no AbortPropose for TDropCdcStreamAtTable"); 
-    } 
- 
-    void AbortUnsafe(TTxId txId, TOperationContext& context) override { 
-        LOG_N("TDropCdcStreamAtTable AbortUnsafe" 
-            << ": opId# " << OperationId 
-            << ", txId# " << txId); 
-        context.OnComplete.DoneOperation(OperationId); 
-    } 
- 
-private: 
-    const TOperationId OperationId; 
-    const TTxTransaction Transaction; 
-    TTxState::ETxState State; 
- 
-}; // TDropCdcStreamAtTable 
- 
-} // anonymous 
- 
-ISubOperationBase::TPtr CreateDropCdcStreamImpl(TOperationId id, const TTxTransaction& tx) { 
-    return new TDropCdcStream(id, tx); 
-} 
- 
-ISubOperationBase::TPtr CreateDropCdcStreamImpl(TOperationId id, TTxState::ETxState state) { 
-    return new TDropCdcStream(id, state); 
-} 
- 
-ISubOperationBase::TPtr CreateDropCdcStreamAtTable(TOperationId id, const TTxTransaction& tx) { 
-    return new TDropCdcStreamAtTable(id, tx); 
-} 
- 
-ISubOperationBase::TPtr CreateDropCdcStreamAtTable(TOperationId id, TTxState::ETxState state) { 
-    return new TDropCdcStreamAtTable(id, state); 
-} 
- 
-TVector<ISubOperationBase::TPtr> CreateDropCdcStream(TOperationId opId, const TTxTransaction& tx, TOperationContext& context) { 
+        tablePath.Base()->LastTxId = OperationId.GetTxId();
+
+        for (const auto& splitOpId : table->GetSplitOpsInFlight()) {
+            context.OnComplete.Dependence(splitOpId.GetTxId(), OperationId.GetTxId());
+        }
+
+        context.OnComplete.ActivateTx(OperationId);
+
+        State = NextState();
+        SetState(SelectStateFunc(State));
+
+        return result;
+    }
+
+    void AbortPropose(TOperationContext&) override {
+        Y_FAIL("no AbortPropose for TDropCdcStreamAtTable");
+    }
+
+    void AbortUnsafe(TTxId txId, TOperationContext& context) override {
+        LOG_N("TDropCdcStreamAtTable AbortUnsafe"
+            << ": opId# " << OperationId
+            << ", txId# " << txId);
+        context.OnComplete.DoneOperation(OperationId);
+    }
+
+private:
+    const TOperationId OperationId;
+    const TTxTransaction Transaction;
+    TTxState::ETxState State;
+
+}; // TDropCdcStreamAtTable
+
+} // anonymous
+
+ISubOperationBase::TPtr CreateDropCdcStreamImpl(TOperationId id, const TTxTransaction& tx) {
+    return new TDropCdcStream(id, tx);
+}
+
+ISubOperationBase::TPtr CreateDropCdcStreamImpl(TOperationId id, TTxState::ETxState state) {
+    return new TDropCdcStream(id, state);
+}
+
+ISubOperationBase::TPtr CreateDropCdcStreamAtTable(TOperationId id, const TTxTransaction& tx) {
+    return new TDropCdcStreamAtTable(id, tx);
+}
+
+ISubOperationBase::TPtr CreateDropCdcStreamAtTable(TOperationId id, TTxState::ETxState state) {
+    return new TDropCdcStreamAtTable(id, state);
+}
+
+TVector<ISubOperationBase::TPtr> CreateDropCdcStream(TOperationId opId, const TTxTransaction& tx, TOperationContext& context) {
     Y_VERIFY(tx.GetOperationType() == NKikimrSchemeOp::EOperationType::ESchemeOpDropCdcStream);
- 
-    LOG_D("CreateDropCdcStream" 
-        << ": opId# " << opId 
-        << ", tx# " << tx.ShortDebugString()); 
- 
-    const auto& op = tx.GetDropCdcStream(); 
-    const auto& tableName = op.GetTableName(); 
-    const auto& streamName = op.GetStreamName(); 
- 
-    const auto workingDirPath = TPath::Resolve(tx.GetWorkingDir(), context.SS); 
- 
-    const auto tablePath = workingDirPath.Child(tableName); 
-    { 
-        const auto checks = tablePath.Check(); 
-        checks 
-            .NotEmpty() 
-            .NotUnderDomainUpgrade() 
-            .IsAtLocalSchemeShard() 
-            .IsResolved() 
-            .NotDeleted() 
-            .IsTable() 
-            .IsCommonSensePath() 
-            .NotUnderDeleting() 
-            .NotUnderOperation(); 
- 
-        if (!checks) { 
-            TString explain = TStringBuilder() << "path checks failed, path: " << tablePath.PathString(); 
-            const auto status = checks.GetStatus(&explain); 
-            return {CreateReject(opId, status, explain)}; 
-        } 
-    } 
- 
-    const auto streamPath = tablePath.Child(streamName); 
-    { 
-        const auto checks = streamPath.Check(); 
-        checks 
-            .NotEmpty() 
-            .NotUnderDomainUpgrade() 
-            .IsAtLocalSchemeShard() 
-            .IsResolved() 
-            .NotDeleted() 
-            .IsCdcStream() 
-            .NotUnderDeleting() 
-            .NotUnderOperation(); 
- 
-        if (!checks) { 
-            TString explain = TStringBuilder() << "path checks failed, path: " << streamPath.PathString(); 
-            const auto status = checks.GetStatus(&explain); 
-            return {CreateReject(opId, status, explain)}; 
-        } 
-    } 
- 
-    TString errStr; 
-    if (!context.SS->CheckApplyIf(tx, errStr)) { 
+
+    LOG_D("CreateDropCdcStream"
+        << ": opId# " << opId
+        << ", tx# " << tx.ShortDebugString());
+
+    const auto& op = tx.GetDropCdcStream();
+    const auto& tableName = op.GetTableName();
+    const auto& streamName = op.GetStreamName();
+
+    const auto workingDirPath = TPath::Resolve(tx.GetWorkingDir(), context.SS);
+
+    const auto tablePath = workingDirPath.Child(tableName);
+    {
+        const auto checks = tablePath.Check();
+        checks
+            .NotEmpty()
+            .NotUnderDomainUpgrade()
+            .IsAtLocalSchemeShard()
+            .IsResolved()
+            .NotDeleted()
+            .IsTable()
+            .IsCommonSensePath()
+            .NotUnderDeleting()
+            .NotUnderOperation();
+
+        if (!checks) {
+            TString explain = TStringBuilder() << "path checks failed, path: " << tablePath.PathString();
+            const auto status = checks.GetStatus(&explain);
+            return {CreateReject(opId, status, explain)};
+        }
+    }
+
+    const auto streamPath = tablePath.Child(streamName);
+    {
+        const auto checks = streamPath.Check();
+        checks
+            .NotEmpty()
+            .NotUnderDomainUpgrade()
+            .IsAtLocalSchemeShard()
+            .IsResolved()
+            .NotDeleted()
+            .IsCdcStream()
+            .NotUnderDeleting()
+            .NotUnderOperation();
+
+        if (!checks) {
+            TString explain = TStringBuilder() << "path checks failed, path: " << streamPath.PathString();
+            const auto status = checks.GetStatus(&explain);
+            return {CreateReject(opId, status, explain)};
+        }
+    }
+
+    TString errStr;
+    if (!context.SS->CheckApplyIf(tx, errStr)) {
         return {CreateReject(opId, NKikimrScheme::StatusPreconditionFailed, errStr)};
-    } 
- 
-    if (!context.SS->CheckLocks(tablePath.Base()->PathId, tx, errStr)) { 
+    }
+
+    if (!context.SS->CheckLocks(tablePath.Base()->PathId, tx, errStr)) {
         return {CreateReject(opId, NKikimrScheme::StatusMultipleModifications, errStr)};
-    } 
- 
-    TVector<ISubOperationBase::TPtr> result; 
- 
-    { 
+    }
+
+    TVector<ISubOperationBase::TPtr> result;
+
+    {
         auto outTx = TransactionTemplate(workingDirPath.PathString(), NKikimrSchemeOp::EOperationType::ESchemeOpDropCdcStreamAtTable);
-        outTx.MutableDropCdcStream()->CopyFrom(op); 
- 
-        result.push_back(CreateDropCdcStreamAtTable(NextPartId(opId, result), outTx)); 
-    } 
- 
-    { 
+        outTx.MutableDropCdcStream()->CopyFrom(op);
+
+        result.push_back(CreateDropCdcStreamAtTable(NextPartId(opId, result), outTx));
+    }
+
+    {
         auto outTx = TransactionTemplate(tablePath.PathString(), NKikimrSchemeOp::EOperationType::ESchemeOpDropCdcStreamImpl);
-        outTx.MutableDrop()->SetName(streamPath.Base()->Name); 
- 
-        result.push_back(CreateDropCdcStreamImpl(NextPartId(opId, result), outTx)); 
-    } 
- 
-    for (const auto& [name, pathId] : streamPath.Base()->GetChildren()) { 
-        Y_VERIFY(context.SS->PathsById.contains(pathId)); 
-        auto implPath = context.SS->PathsById.at(pathId); 
- 
-        if (implPath->Dropped()) { 
-            continue; 
-        } 
- 
-        auto streamImpl = context.SS->PathsById.at(pathId); 
-        Y_VERIFY(streamImpl->IsPQGroup()); 
- 
-        auto outTx = TransactionTemplate(streamPath.PathString(), NKikimrSchemeOp::EOperationType::ESchemeOpDropPersQueueGroup); 
-        outTx.MutableDrop()->SetName(name); 
- 
-        result.push_back(CreateDropPQ(NextPartId(opId, result), outTx)); 
-    } 
- 
-    return result; 
-} 
- 
+        outTx.MutableDrop()->SetName(streamPath.Base()->Name);
+
+        result.push_back(CreateDropCdcStreamImpl(NextPartId(opId, result), outTx));
+    }
+
+    for (const auto& [name, pathId] : streamPath.Base()->GetChildren()) {
+        Y_VERIFY(context.SS->PathsById.contains(pathId));
+        auto implPath = context.SS->PathsById.at(pathId);
+
+        if (implPath->Dropped()) {
+            continue;
+        }
+
+        auto streamImpl = context.SS->PathsById.at(pathId);
+        Y_VERIFY(streamImpl->IsPQGroup());
+
+        auto outTx = TransactionTemplate(streamPath.PathString(), NKikimrSchemeOp::EOperationType::ESchemeOpDropPersQueueGroup);
+        outTx.MutableDrop()->SetName(name);
+
+        result.push_back(CreateDropPQ(NextPartId(opId, result), outTx));
+    }
+
+    return result;
+}
+
 } // NSchemeShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_drop_index.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_drop_index.cpp
index 411fed4b0e..a84868b77b 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_drop_index.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_drop_index.cpp
@@ -84,26 +84,26 @@ public:
             context.SS->FillSeqNo(tx, seqNo);
 
             auto notice = tx.MutableDropIndexNotice();
-            PathIdFromPathId(pathId, notice->MutablePathId()); 
+            PathIdFromPathId(pathId, notice->MutablePathId());
             notice->SetTableSchemaVersion(table->AlterVersion + 1);
 
-            bool found = false; 
-            for (const auto& [_, childPathId] : path->GetChildren()) { 
-                Y_VERIFY(context.SS->PathsById.contains(childPathId)); 
-                auto childPath = context.SS->PathsById.at(childPathId); 
- 
-                if (!childPath->IsTableIndex() || !childPath->PlannedToDrop()) { 
-                    continue; 
-                } 
- 
-                Y_VERIFY_S(!found, "Too many indexes are planned to drop" 
-                    << ": found# " << PathIdFromPathId(notice->GetIndexPathId()) 
-                    << ", another# " << childPathId); 
-                found = true; 
- 
-                PathIdFromPathId(childPathId, notice->MutableIndexPathId()); 
-            } 
- 
+            bool found = false;
+            for (const auto& [_, childPathId] : path->GetChildren()) {
+                Y_VERIFY(context.SS->PathsById.contains(childPathId));
+                auto childPath = context.SS->PathsById.at(childPathId);
+
+                if (!childPath->IsTableIndex() || !childPath->PlannedToDrop()) {
+                    continue;
+                }
+
+                Y_VERIFY_S(!found, "Too many indexes are planned to drop"
+                    << ": found# " << PathIdFromPathId(notice->GetIndexPathId())
+                    << ", another# " << childPathId);
+                found = true;
+
+                PathIdFromPathId(childPathId, notice->MutableIndexPathId());
+            }
+
             Y_PROTOBUF_SUPPRESS_NODISCARD tx.SerializeToString(&txBody);
         }
 
@@ -507,19 +507,19 @@ TVector<ISubOperationBase::TPtr> CreateDropIndex(TOperationId nextId, const TTxT
 
     {
         auto mainTableIndexDropping = TransactionTemplate(workingDirPath.PathString(), NKikimrSchemeOp::EOperationType::ESchemeOpDropTableIndexAtMainTable);
-        auto operation = mainTableIndexDropping.MutableDropIndex(); 
+        auto operation = mainTableIndexDropping.MutableDropIndex();
         operation->SetTableName(mainTablePath.LeafName());
         operation->SetIndexName(indexPath.LeafName());
 
-        result.push_back(CreateDropTableIndexAtMainTable(NextPartId(nextId, result), mainTableIndexDropping)); 
+        result.push_back(CreateDropTableIndexAtMainTable(NextPartId(nextId, result), mainTableIndexDropping));
     }
 
     {
         auto indexDropping = TransactionTemplate(mainTablePath.PathString(), NKikimrSchemeOp::EOperationType::ESchemeOpDropTableIndex);
         auto operation = indexDropping.MutableDrop();
         operation->SetName(ToString(indexPath.Base()->Name));
- 
-        result.push_back(CreateDropTableIndex(NextPartId(nextId, result), indexDropping)); 
+
+        result.push_back(CreateDropTableIndex(NextPartId(nextId, result), indexDropping));
     }
 
     for (const auto& items: indexPath.Base()->GetChildren()) {
@@ -535,8 +535,8 @@ TVector<ISubOperationBase::TPtr> CreateDropIndex(TOperationId nextId, const TTxT
         auto implTableDropping = TransactionTemplate(indexPath.PathString(), NKikimrSchemeOp::EOperationType::ESchemeOpDropTable);
         auto operation = implTableDropping.MutableDrop();
         operation->SetName(items.first);
- 
-        result.push_back(CreateDropTable(NextPartId(nextId, result), implTableDropping)); 
+
+        result.push_back(CreateDropTable(NextPartId(nextId, result), implTableDropping));
     }
 
     return result;
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_drop_indexed_table.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_drop_indexed_table.cpp
index 0d47e68dc7..7064fabe1e 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_drop_indexed_table.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_drop_indexed_table.cpp
@@ -250,7 +250,7 @@ public:
 
 class TDropTableIndex: public TSubOperation {
     const TOperationId OperationId;
-    const TTxTransaction Transaction; 
+    const TTxTransaction Transaction;
     TTxState::ETxState State = TTxState::Invalid;
     TTxState::ETxState AfterPropose = TTxState::Invalid;
 
@@ -298,12 +298,12 @@ class TDropTableIndex: public TSubOperation {
     }
 
 public:
-    TDropTableIndex(TOperationId id, const TTxTransaction& tx) 
-        : OperationId(id) 
-        , Transaction(tx) 
-    { 
-    } 
- 
+    TDropTableIndex(TOperationId id, const TTxTransaction& tx)
+        : OperationId(id)
+        , Transaction(tx)
+    {
+    }
+
     TDropTableIndex(TOperationId id, TTxState::ETxState state)
         : OperationId(id)
         , State(state)
@@ -314,31 +314,31 @@ public:
     THolder<TProposeResponse> Propose(const TString&, TOperationContext& context) override {
         const TTabletId ssId = context.SS->SelfTabletId();
 
-        const TString& parentPathStr = Transaction.GetWorkingDir(); 
-        const TString& name = Transaction.GetDrop().GetName(); 
+        const TString& parentPathStr = Transaction.GetWorkingDir();
+        const TString& name = Transaction.GetDrop().GetName();
 
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TDropTableIndex Propose"
                          << ", path: " << parentPathStr << "/" << name
-                         << ", pathId: " << Transaction.GetDrop().GetId() 
+                         << ", pathId: " << Transaction.GetDrop().GetId()
                          << ", operationId: " << OperationId
                          << ", at schemeshard: " << ssId);
 
         auto result = MakeHolder<TProposeResponse>(NKikimrScheme::StatusAccepted, ui64(OperationId.GetTxId()), ui64(ssId));
 
-        if (!Transaction.HasDrop()) { 
+        if (!Transaction.HasDrop()) {
             result->SetError(NKikimrScheme::StatusInvalidParameter, "Drop is not present");
             return result;
         }
 
-        TPath index = Transaction.GetDrop().HasId() 
+        TPath index = Transaction.GetDrop().HasId()
             ? TPath::Init(context.SS->MakeLocalId(Transaction.GetDrop().GetId()), context.SS)
             : TPath::Resolve(parentPathStr, context.SS).Dive(name);
 
         {
             TPath::TChecker checks = index.Check();
-            checks 
-                .NotEmpty() 
+            checks
+                .NotEmpty()
                 .NotUnderDomainUpgrade()
                 .IsAtLocalSchemeShard()
                 .IsResolved()
@@ -359,8 +359,8 @@ public:
         TPath parentTable = index.Parent();
         {
             TPath::TChecker checks = parentTable.Check();
-            checks 
-                .NotEmpty() 
+            checks
+                .NotEmpty()
                 .IsResolved()
                 .NotDeleted()
                 .IsTable()
@@ -404,14 +404,14 @@ public:
                      "TDropTableIndex AbortPropose"
                          << ", opId: " << OperationId
                          << ", at schemeshard: " << context.SS->TabletID());
-    } 
- 
+    }
+
     void AbortUnsafe(TTxId forceDropTxId, TOperationContext& context) override {
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TDropTableIndex AbortUnsafe"
                          << ", opId: " << OperationId
                          << ", forceDropId: " << forceDropTxId
-                         << ", at schemeshard: " << context.SS->TabletID()); 
+                         << ", at schemeshard: " << context.SS->TabletID());
 
         context.OnComplete.DoneOperation(OperationId);
     }
@@ -422,8 +422,8 @@ public:
 namespace NKikimr {
 namespace NSchemeShard {
 
-ISubOperationBase::TPtr CreateDropTableIndex(TOperationId id, const TTxTransaction& tx) { 
-    return new TDropTableIndex(id, tx); 
+ISubOperationBase::TPtr CreateDropTableIndex(TOperationId id, const TTxTransaction& tx) {
+    return new TDropTableIndex(id, tx);
 }
 
 ISubOperationBase::TPtr CreateDropTableIndex(TOperationId id, TTxState::ETxState state) {
@@ -445,8 +445,8 @@ TVector<ISubOperationBase::TPtr> CreateDropIndexedTable(TOperationId nextId, con
 
     {
         TPath::TChecker checks = table.Check();
-        checks 
-            .NotEmpty() 
+        checks
+            .NotEmpty()
             .IsResolved()
             .NotDeleted()
             .IsTable()
@@ -464,7 +464,7 @@ TVector<ISubOperationBase::TPtr> CreateDropIndexedTable(TOperationId nextId, con
 
             result->SetError(status, explain);
 
-            if (table.IsResolved() && table.Base()->IsTable() && (table.Base()->PlannedToDrop() || table.Base()->Dropped())) { 
+            if (table.IsResolved() && table.Base()->IsTable() && (table.Base()->PlannedToDrop() || table.Base()->Dropped())) {
                 result->SetPathDropTxId(ui64(table.Base()->DropTxId));
                 result->SetPathId(table.Base()->PathId.LocalPathId);
             }
@@ -474,107 +474,107 @@ TVector<ISubOperationBase::TPtr> CreateDropIndexedTable(TOperationId nextId, con
     }
 
     TVector<ISubOperationBase::TPtr> result;
-    result.push_back(CreateDropTable(NextPartId(nextId, result), tx)); 
+    result.push_back(CreateDropTable(NextPartId(nextId, result), tx));
 
-    for (const auto& [childName, childPathId] : table.Base()->GetChildren()) { 
-        TPath child = table.Child(childName); 
+    for (const auto& [childName, childPathId] : table.Base()->GetChildren()) {
+        TPath child = table.Child(childName);
         {
-            TPath::TChecker checks = child.Check(); 
-            checks 
-                .NotEmpty() 
+            TPath::TChecker checks = child.Check();
+            checks
+                .NotEmpty()
                 .IsResolved();
 
             if (checks) {
-                if (child.IsDeleted()) { 
+                if (child.IsDeleted()) {
                     continue;
                 }
             }
 
-            if (child.IsTableIndex()) { 
-                checks.IsTableIndex(); 
-            } else if (child.IsCdcStream()) { 
-                checks.IsCdcStream(); 
+            if (child.IsTableIndex()) {
+                checks.IsTableIndex();
+            } else if (child.IsCdcStream()) {
+                checks.IsCdcStream();
             } else if (child.IsSequence()) {
                 checks.IsSequence();
-            } 
- 
+            }
+
             checks.NotDeleted()
                 .NotUnderDeleting()
                 .NotUnderOperation();
 
             if (!checks) {
                 TString explain = TStringBuilder() << "path index fail checks"
-                                                   << ", index path: " << child.PathString(); 
+                                                   << ", index path: " << child.PathString();
                 auto status = checks.GetStatus(&explain);
                 return {CreateReject(nextId, status, explain)};
             }
         }
-        Y_VERIFY(child.Base()->PathId == childPathId); 
+        Y_VERIFY(child.Base()->PathId == childPathId);
 
         if (child.IsSequence()) {
             auto dropSequence = TransactionTemplate(table.PathString(), NKikimrSchemeOp::EOperationType::ESchemeOpDropSequence);
-            dropSequence.MutableDrop()->SetName(ToString(child->Name)); 
+            dropSequence.MutableDrop()->SetName(ToString(child->Name));
 
             result.push_back(CreateDropSequence(NextPartId(nextId, result), dropSequence));
             continue;
-        } else if (child.IsTableIndex()) { 
-            auto dropIndex = TransactionTemplate(table.PathString(), NKikimrSchemeOp::EOperationType::ESchemeOpDropTableIndex); 
-            dropIndex.MutableDrop()->SetName(ToString(child.Base()->Name)); 
-
-            result.push_back(CreateDropTableIndex(NextPartId(nextId, result), dropIndex)); 
-        } else if (child.IsCdcStream()) { 
-            auto dropStream = TransactionTemplate(table.PathString(), NKikimrSchemeOp::EOperationType::ESchemeOpDropCdcStreamImpl); 
-            dropStream.MutableDrop()->SetName(ToString(child.Base()->Name)); 
- 
-            result.push_back(CreateDropCdcStreamImpl(NextPartId(nextId, result), dropStream)); 
+        } else if (child.IsTableIndex()) {
+            auto dropIndex = TransactionTemplate(table.PathString(), NKikimrSchemeOp::EOperationType::ESchemeOpDropTableIndex);
+            dropIndex.MutableDrop()->SetName(ToString(child.Base()->Name));
+
+            result.push_back(CreateDropTableIndex(NextPartId(nextId, result), dropIndex));
+        } else if (child.IsCdcStream()) {
+            auto dropStream = TransactionTemplate(table.PathString(), NKikimrSchemeOp::EOperationType::ESchemeOpDropCdcStreamImpl);
+            dropStream.MutableDrop()->SetName(ToString(child.Base()->Name));
+
+            result.push_back(CreateDropCdcStreamImpl(NextPartId(nextId, result), dropStream));
         }
 
-        Y_VERIFY(child.Base()->GetChildren().size() == 1); 
-        for (auto& [implName, implPathId] : child.Base()->GetChildren()) { 
-            Y_VERIFY(implName == "indexImplTable" || implName == "streamImpl", 
-                "unexpected name %s", implName.c_str()); 
+        Y_VERIFY(child.Base()->GetChildren().size() == 1);
+        for (auto& [implName, implPathId] : child.Base()->GetChildren()) {
+            Y_VERIFY(implName == "indexImplTable" || implName == "streamImpl",
+                "unexpected name %s", implName.c_str());
 
-            TPath implPath = child.Child(implName); 
+            TPath implPath = child.Child(implName);
             {
-                TPath::TChecker checks = implPath.Check(); 
-                checks 
-                    .NotEmpty() 
+                TPath::TChecker checks = implPath.Check();
+                checks
+                    .NotEmpty()
                     .IsResolved()
                     .NotDeleted()
                     .NotUnderDeleting()
                     .NotUnderOperation();
 
-                if (checks) { 
-                    if (implPath.Base()->IsTable()) { 
-                        checks 
-                            .IsTable() 
-                            .IsInsideTableIndexPath(); 
-                    } else if (implPath.Base()->IsPQGroup()) { 
-                        checks 
-                            .IsPQGroup() 
-                            .IsInsideCdcStreamPath(); 
-                    } 
-                } 
- 
+                if (checks) {
+                    if (implPath.Base()->IsTable()) {
+                        checks
+                            .IsTable()
+                            .IsInsideTableIndexPath();
+                    } else if (implPath.Base()->IsPQGroup()) {
+                        checks
+                            .IsPQGroup()
+                            .IsInsideCdcStreamPath();
+                    }
+                }
+
                 if (!checks) {
                     TString explain = TStringBuilder() << "path impl table fail checks"
-                                                       << ", index path: " << implPath.PathString(); 
+                                                       << ", index path: " << implPath.PathString();
                     auto status = checks.GetStatus(&explain);
                     return {CreateReject(nextId, status, explain)};
                 }
             }
-            Y_VERIFY(implPath.Base()->PathId == implPathId); 
-
-            if (implPath.Base()->IsTable()) { 
-                auto dropIndexTable = TransactionTemplate(child.PathString(), NKikimrSchemeOp::EOperationType::ESchemeOpDropTable); 
-                dropIndexTable.MutableDrop()->SetName(ToString(implPath.Base()->Name)); 
- 
-                result.push_back(CreateDropTable(NextPartId(nextId, result), dropIndexTable)); 
-            } else if (implPath.Base()->IsPQGroup()) { 
-                auto dropPQGroup = TransactionTemplate(child.PathString(), NKikimrSchemeOp::EOperationType::ESchemeOpDropPersQueueGroup); 
-                dropPQGroup.MutableDrop()->SetName(ToString(implPath.Base()->Name)); 
- 
-                result.push_back(CreateDropPQ(NextPartId(nextId, result), dropPQGroup)); 
+            Y_VERIFY(implPath.Base()->PathId == implPathId);
+
+            if (implPath.Base()->IsTable()) {
+                auto dropIndexTable = TransactionTemplate(child.PathString(), NKikimrSchemeOp::EOperationType::ESchemeOpDropTable);
+                dropIndexTable.MutableDrop()->SetName(ToString(implPath.Base()->Name));
+
+                result.push_back(CreateDropTable(NextPartId(nextId, result), dropIndexTable));
+            } else if (implPath.Base()->IsPQGroup()) {
+                auto dropPQGroup = TransactionTemplate(child.PathString(), NKikimrSchemeOp::EOperationType::ESchemeOpDropPersQueueGroup);
+                dropPQGroup.MutableDrop()->SetName(ToString(implPath.Base()->Name));
+
+                result.push_back(CreateDropPQ(NextPartId(nextId, result), dropPQGroup));
             }
         }
     }
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_drop_kesus.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_drop_kesus.cpp
index 8bdd2a5123..ad42e96de5 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_drop_kesus.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_drop_kesus.cpp
@@ -111,8 +111,8 @@ public:
         context.OnComplete.PublishToSchemeBoard(OperationId, parentDir->PathId);
 
         context.SS->ClearDescribePathCaches(path);
-        context.OnComplete.PublishToSchemeBoard(OperationId, pathId); 
- 
+        context.OnComplete.PublishToSchemeBoard(OperationId, pathId);
+
         context.OnComplete.DoneOperation(OperationId);
 
         return true;
@@ -136,8 +136,8 @@ public:
 
 
 class TDropKesus: public TSubOperation {
-    const TOperationId OperationId; 
-    const TTxTransaction Transaction; 
+    const TOperationId OperationId;
+    const TTxTransaction Transaction;
     TTxState::ETxState State = TTxState::Invalid;
 
     TTxState::ETxState NextState() {
@@ -177,11 +177,11 @@ class TDropKesus: public TSubOperation {
     }
 
 public:
-    TDropKesus(TOperationId id, const TTxTransaction& tx) 
+    TDropKesus(TOperationId id, const TTxTransaction& tx)
         : OperationId(id)
-        , Transaction(tx) 
-    { 
-    } 
+        , Transaction(tx)
+    {
+    }
 
     TDropKesus(TOperationId id, TTxState::ETxState state)
         : OperationId(id)
@@ -193,10 +193,10 @@ public:
     THolder<TProposeResponse> Propose(const TString&, TOperationContext& context) override {
         const TTabletId ssId = context.SS->SelfTabletId();
 
-        const auto& drop = Transaction.GetDrop(); 
+        const auto& drop = Transaction.GetDrop();
 
-        const TString& parentPathStr = Transaction.GetWorkingDir(); 
-        const TString& name = drop.GetName(); 
+        const TString& parentPathStr = Transaction.GetWorkingDir();
+        const TString& name = drop.GetName();
 
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TDropKesus Propose"
@@ -213,8 +213,8 @@ public:
 
         {
             TPath::TChecker checks = path.Check();
-            checks 
-                .NotEmpty() 
+            checks
+                .NotEmpty()
                 .NotUnderDomainUpgrade()
                 .IsAtLocalSchemeShard()
                 .IsResolved()
@@ -237,8 +237,8 @@ public:
             }
         }
 
-        TString errStr; 
-        if (!context.SS->CheckApplyIf(Transaction, errStr)) { 
+        TString errStr;
+        if (!context.SS->CheckApplyIf(Transaction, errStr)) {
             result->SetError(NKikimrScheme::StatusPreconditionFailed, errStr);
             return result;
         }
@@ -284,16 +284,16 @@ public:
         return result;
     }
 
-    void AbortPropose(TOperationContext&) override { 
-        Y_FAIL("no AbortPropose for TDropKesus"); 
-    } 
- 
+    void AbortPropose(TOperationContext&) override {
+        Y_FAIL("no AbortPropose for TDropKesus");
+    }
+
     void AbortUnsafe(TTxId forceDropTxId, TOperationContext& context) override {
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TDropKesus AbortUnsafe"
                          << ", opId: " << OperationId
                          << ", forceDropId: " << forceDropTxId
-                         << ", at schemeshard: " << context.SS->TabletID()); 
+                         << ", at schemeshard: " << context.SS->TabletID());
 
         TTxState* txState = context.SS->FindTx(OperationId);
         Y_VERIFY(txState);
@@ -318,12 +318,12 @@ public:
 namespace NKikimr {
 namespace NSchemeShard {
 
-ISubOperationBase::TPtr CreateDropKesus(TOperationId id, const TTxTransaction& tx) { 
-    return new TDropKesus(id, tx); 
-} 
- 
+ISubOperationBase::TPtr CreateDropKesus(TOperationId id, const TTxTransaction& tx) {
+    return new TDropKesus(id, tx);
+}
+
 ISubOperationBase::TPtr CreateDropKesus(TOperationId id, TTxState::ETxState state) {
-    Y_VERIFY(state != TTxState::Invalid); 
+    Y_VERIFY(state != TTxState::Invalid);
     return new TDropKesus(id, state);
 }
 
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_drop_pq.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_drop_pq.cpp
index 64f80dfcc1..c338b4c358 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_drop_pq.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_drop_pq.cpp
@@ -241,11 +241,11 @@ public:
         context.OnComplete.PublishToSchemeBoard(OperationId, parentDir->PathId);
 
         context.SS->ClearDescribePathCaches(path);
-        context.OnComplete.PublishToSchemeBoard(OperationId, pathId); 
- 
-        context.SS->ChangeTxState(db, OperationId, TTxState::Done); 
-        context.OnComplete.ActivateTx(OperationId); 
- 
+        context.OnComplete.PublishToSchemeBoard(OperationId, pathId);
+
+        context.SS->ChangeTxState(db, OperationId, TTxState::Done);
+        context.OnComplete.ActivateTx(OperationId);
+
         return true;
     }
 
@@ -267,8 +267,8 @@ public:
 
 
 class TDropPQ: public TSubOperation {
-    const TOperationId OperationId; 
-    const TTxTransaction Transaction; 
+    const TOperationId OperationId;
+    const TTxTransaction Transaction;
     TTxState::ETxState State = TTxState::Invalid;
 
     TTxState::ETxState NextState() {
@@ -282,8 +282,8 @@ class TDropPQ: public TSubOperation {
             return TTxState::DeleteParts;
         case TTxState::DeleteParts:
             return TTxState::Propose;
-        case TTxState::Propose: 
-            return TTxState::Done; 
+        case TTxState::Propose:
+            return TTxState::Done;
         default:
             return TTxState::Invalid;
         }
@@ -299,8 +299,8 @@ class TDropPQ: public TSubOperation {
             return THolder(new TDeleteParts(OperationId));
         case TTxState::Propose:
             return THolder(new TPropose(OperationId));
-        case TTxState::Done: 
-            return THolder(new TDone(OperationId)); 
+        case TTxState::Done:
+            return THolder(new TDone(OperationId));
         default:
             return nullptr;
         }
@@ -316,11 +316,11 @@ class TDropPQ: public TSubOperation {
     }
 
 public:
-    TDropPQ(TOperationId id, const TTxTransaction& tx) 
+    TDropPQ(TOperationId id, const TTxTransaction& tx)
         : OperationId(id)
-        , Transaction(tx) 
-    { 
-    } 
+        , Transaction(tx)
+    {
+    }
 
     TDropPQ(TOperationId id, TTxState::ETxState state)
         : OperationId(id)
@@ -366,11 +366,11 @@ public:
     THolder<TProposeResponse> Propose(const TString&, TOperationContext& context) override {
         const TTabletId ssId = context.SS->SelfTabletId();
 
-        const auto& drop = Transaction.GetDrop(); 
+        const auto& drop = Transaction.GetDrop();
+
+        const TString& parentPathStr = Transaction.GetWorkingDir();
+        const TString& name = drop.GetName();
 
-        const TString& parentPathStr = Transaction.GetWorkingDir(); 
-        const TString& name = drop.GetName(); 
- 
         NKikimrSchemeOp::EDropWaitPolicy dropPolicy = drop.HasWaitPolicy() ? drop.GetWaitPolicy() : NKikimrSchemeOp::EDropFailOnChanges;
 
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
@@ -388,15 +388,15 @@ public:
 
         {
             TPath::TChecker checks = path.Check();
-            checks 
-                .NotEmpty() 
+            checks
+                .NotEmpty()
                 .NotUnderDomainUpgrade()
                 .IsAtLocalSchemeShard()
                 .IsResolved()
                 .NotDeleted()
                 .NotUnderDeleting()
                 .NotUnderOperation()
-                .IsPQGroup(); 
+                .IsPQGroup();
 
             if (checks) {
                 if (dropPolicy == NKikimrSchemeOp::EDropFailOnChanges) {
@@ -417,45 +417,45 @@ public:
             }
         }
 
-        TPath parent = path.Parent(); 
-        { 
-            TPath::TChecker checks = parent.Check(); 
-            checks 
-                .NotEmpty() 
-                .IsResolved() 
-                .NotDeleted(); 
- 
-            if (checks) { 
-                if (parent.Base()->IsCdcStream()) { 
-                    checks 
-                        .IsCdcStream() 
-                        .IsInsideCdcStreamPath() 
-                        .IsUnderDeleting(TEvSchemeShard::EStatus::StatusNameConflict) 
-                        .IsUnderTheSameOperation(OperationId.GetTxId()); 
-                } else { 
-                    checks 
-                        .IsLikeDirectory() 
-                        .IsCommonSensePath() 
-                        .NotUnderDeleting(); 
-                } 
-            } 
- 
-            if (!checks) { 
-                TString explain = TStringBuilder() << "parent path fail checks" 
-                                                   << ", path: " << parent.PathString(); 
-                auto status = checks.GetStatus(&explain); 
-                result->SetError(status, explain); 
-                return result; 
-            } 
-        } 
- 
+        TPath parent = path.Parent();
+        {
+            TPath::TChecker checks = parent.Check();
+            checks
+                .NotEmpty()
+                .IsResolved()
+                .NotDeleted();
+
+            if (checks) {
+                if (parent.Base()->IsCdcStream()) {
+                    checks
+                        .IsCdcStream()
+                        .IsInsideCdcStreamPath()
+                        .IsUnderDeleting(TEvSchemeShard::EStatus::StatusNameConflict)
+                        .IsUnderTheSameOperation(OperationId.GetTxId());
+                } else {
+                    checks
+                        .IsLikeDirectory()
+                        .IsCommonSensePath()
+                        .NotUnderDeleting();
+                }
+            }
+
+            if (!checks) {
+                TString explain = TStringBuilder() << "parent path fail checks"
+                                                   << ", path: " << parent.PathString();
+                auto status = checks.GetStatus(&explain);
+                result->SetError(status, explain);
+                return result;
+            }
+        }
+
         if (dropPolicy != NKikimrSchemeOp::EDropFailOnChanges) {
             result->SetError(NKikimrScheme::StatusInvalidParameter, "drop policy isn't supported");
             return result;
         }
 
-        TString errStr; 
-        if (!context.SS->CheckApplyIf(Transaction, errStr)) { 
+        TString errStr;
+        if (!context.SS->CheckApplyIf(Transaction, errStr)) {
             result->SetError(NKikimrScheme::StatusPreconditionFailed, errStr);
             return result;
         }
@@ -501,16 +501,16 @@ public:
         return result;
     }
 
-    void AbortPropose(TOperationContext&) override { 
-        Y_FAIL("no AbortPropose for TDropPQ"); 
-    } 
- 
+    void AbortPropose(TOperationContext&) override {
+        Y_FAIL("no AbortPropose for TDropPQ");
+    }
+
     void AbortUnsafe(TTxId forceDropTxId, TOperationContext& context) override {
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TDropPQ AbortUnsafe"
                          << ", opId: " << OperationId
                          << ", forceDropId: " << forceDropTxId
-                         << ", at schemeshard: " << context.SS->TabletID()); 
+                         << ", at schemeshard: " << context.SS->TabletID());
 
         TTxState* txState = context.SS->FindTx(OperationId);
         Y_VERIFY(txState);
@@ -535,12 +535,12 @@ public:
 namespace NKikimr {
 namespace NSchemeShard {
 
-ISubOperationBase::TPtr CreateDropPQ(TOperationId id, const TTxTransaction& tx) { 
-    return new TDropPQ(id, tx); 
-} 
- 
+ISubOperationBase::TPtr CreateDropPQ(TOperationId id, const TTxTransaction& tx) {
+    return new TDropPQ(id, tx);
+}
+
 ISubOperationBase::TPtr CreateDropPQ(TOperationId id, TTxState::ETxState state) {
-    Y_VERIFY(state != TTxState::Invalid); 
+    Y_VERIFY(state != TTxState::Invalid);
     return new TDropPQ(id, state);
 }
 
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_drop_replication.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_drop_replication.cpp
index 466d430c14..b45abf97c5 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_drop_replication.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_drop_replication.cpp
@@ -1,374 +1,374 @@
-#include "schemeshard__operation_part.h" 
-#include "schemeshard__operation_common.h" 
-#include "schemeshard_impl.h" 
- 
-#include <ydb/core/tx/replication/controller/public_events.h> 
- 
-#define LOG_D(stream) LOG_DEBUG_S (context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "[" << context.SS->TabletID() << "] " << stream) 
-#define LOG_I(stream) LOG_INFO_S  (context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "[" << context.SS->TabletID() << "] " << stream) 
-#define LOG_N(stream) LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "[" << context.SS->TabletID() << "] " << stream) 
-#define LOG_W(stream) LOG_WARN_S  (context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "[" << context.SS->TabletID() << "] " << stream) 
- 
-namespace NKikimr { 
-namespace NSchemeShard { 
- 
-namespace { 
- 
-class TDropParts: public TSubOperationState { 
-    TString DebugHint() const override { 
-        return TStringBuilder() 
-            << "TDropReplication TDropParts" 
-            << " opId# " << OperationId << " "; 
-    } 
- 
-public: 
-    explicit TDropParts(TOperationId id) 
-        : OperationId(id) 
-    { 
-        IgnoreMessages(DebugHint(), {}); 
-    } 
- 
-    bool ProgressState(TOperationContext& context) override { 
-        LOG_I(DebugHint() << "ProgressState"); 
- 
-        auto* txState = context.SS->FindTx(OperationId); 
-        Y_VERIFY(txState); 
-        Y_VERIFY(txState->TxType == TTxState::TxDropReplication); 
-        const auto& pathId = txState->TargetPathId; 
- 
-        txState->ClearShardsInProgress(); 
- 
-        for (const auto& shard : txState->Shards) { 
-            Y_VERIFY(shard.TabletType == ETabletType::ReplicationController); 
- 
-            Y_VERIFY(context.SS->ShardInfos.contains(shard.Idx)); 
-            const auto tabletId = context.SS->ShardInfos.at(shard.Idx).TabletID; 
- 
-            auto ev = MakeHolder<NReplication::TEvController::TEvDropReplication>(); 
-            PathIdFromPathId(pathId, ev->Record.MutablePathId()); 
-            ev->Record.MutableOperationId()->SetTxId(ui64(OperationId.GetTxId())); 
-            ev->Record.MutableOperationId()->SetPartId(ui32(OperationId.GetSubTxId())); 
- 
-            LOG_D(DebugHint() << "Send TEvDropReplication to controller" 
-                << ": tabletId# " << tabletId 
-                << ", ev# " << ev->ToString()); 
-            context.OnComplete.BindMsgToPipe(OperationId, tabletId, pathId, ev.Release()); 
- 
-            txState->ShardsInProgress.insert(shard.Idx); 
-        } 
- 
-        return false; 
-    } 
- 
-    bool HandleReply(NReplication::TEvController::TEvDropReplicationResult::TPtr& ev, TOperationContext& context) override { 
-        LOG_I(DebugHint() << "HandleReply " << ev->Get()->ToString()); 
- 
-        const auto tabletId = TTabletId(ev->Get()->Record.GetOrigin()); 
-        const auto status = ev->Get()->Record.GetStatus(); 
- 
-        switch (status) { 
-        case NKikimrReplication::TEvDropReplicationResult::SUCCESS: 
-        case NKikimrReplication::TEvDropReplicationResult::NOT_FOUND: 
-            break; 
-        default: 
-            LOG_W(DebugHint() << "Ignoring unexpected TEvDropReplicationResult" 
-                << " tabletId# " << tabletId 
-                << " status# " << static_cast<int>(status)); 
-            return false; 
-        } 
- 
-        auto* txState = context.SS->FindTx(OperationId); 
-        Y_VERIFY(txState); 
-        Y_VERIFY(txState->TxType == TTxState::TxDropReplication); 
-        Y_VERIFY(txState->State == TTxState::DropParts); 
- 
-        const auto shardIdx = context.SS->MustGetShardIdx(tabletId); 
-        if (!txState->ShardsInProgress.erase(shardIdx)) { 
-            LOG_W(DebugHint() << "Ignoring duplicate TEvDropReplicationResult"); 
-            return false; 
-        } 
- 
-        context.OnComplete.UnbindMsgFromPipe(OperationId, tabletId, txState->TargetPathId); 
- 
-        if (!txState->ShardsInProgress.empty()) { 
-            return false; 
-        } 
- 
-        NIceDb::TNiceDb db(context.Txc.DB); 
-        context.SS->ChangeTxState(db, OperationId, TTxState::Propose); 
-        context.OnComplete.ActivateTx(OperationId); 
- 
-        return true; 
-    } 
- 
-private: 
-    const TOperationId OperationId; 
- 
-}; // TDropParts 
- 
-class TPropose: public TSubOperationState { 
-    TString DebugHint() const override { 
-        return TStringBuilder() 
-            << "TDropReplication TPropose" 
-            << " opId# " << OperationId << " "; 
-    } 
- 
-public: 
-    explicit TPropose(TOperationId id) 
-        : OperationId(id) 
-    { 
-        IgnoreMessages(DebugHint(), { 
-            NReplication::TEvController::TEvDropReplicationResult::EventType, 
-        }); 
-    } 
- 
-    bool ProgressState(TOperationContext& context) override { 
-        LOG_I(DebugHint() << "ProgressState"); 
- 
-        const auto* txState = context.SS->FindTx(OperationId); 
-        Y_VERIFY(txState); 
-        Y_VERIFY(txState->TxType == TTxState::TxDropReplication); 
- 
-        context.OnComplete.ProposeToCoordinator(OperationId, txState->TargetPathId, TStepId(0)); 
-        return false; 
-    } 
- 
-    bool HandleReply(TEvPrivate::TEvOperationPlan::TPtr& ev, TOperationContext& context) override { 
-        const auto step = TStepId(ev->Get()->StepId); 
- 
-        LOG_I(DebugHint() << "HandleReply TEvOperationPlan" 
-            << ": step# " << step); 
- 
-        const auto* txState = context.SS->FindTx(OperationId); 
-        Y_VERIFY(txState); 
-        Y_VERIFY(txState->TxType == TTxState::TxDropReplication); 
-        const auto& pathId = txState->TargetPathId; 
- 
-        Y_VERIFY(context.SS->PathsById.contains(pathId)); 
-        auto path = context.SS->PathsById.at(pathId); 
- 
-        Y_VERIFY(context.SS->PathsById.contains(path->ParentPathId)); 
-        auto parentPath = context.SS->PathsById.at(path->ParentPathId); 
- 
-        NIceDb::TNiceDb db(context.Txc.DB); 
- 
-        Y_VERIFY(!path->Dropped()); 
-        path->SetDropped(step, OperationId.GetTxId()); 
-        context.SS->PersistDropStep(db, pathId, step, OperationId); 
-        context.SS->PersistReplicationRemove(db, pathId); 
- 
-        context.SS->TabletCounters->Simple()[COUNTER_USER_ATTRIBUTES_COUNT].Add(-path->UserAttrs->Size()); 
-        context.SS->PersistUserAttributes(db, path->PathId, path->UserAttrs, nullptr); 
- 
-        context.SS->TabletCounters->Simple()[COUNTER_REPLICATION_COUNT].Add(-1); 
-        context.SS->ResolveDomainInfo(pathId)->DecPathsInside(); 
-        parentPath->DecAliveChildren(); 
- 
-        ++parentPath->DirAlterVersion; 
-        context.SS->PersistPathDirAlterVersion(db, parentPath); 
- 
-        context.SS->ClearDescribePathCaches(parentPath); 
-        context.OnComplete.PublishToSchemeBoard(OperationId, parentPath->PathId); 
- 
-        context.SS->ClearDescribePathCaches(path); 
-        context.OnComplete.PublishToSchemeBoard(OperationId, pathId); 
- 
-        context.SS->ChangeTxState(db, OperationId, TTxState::Done); 
-        return true; 
-    } 
- 
-private: 
-   const TOperationId OperationId; 
- 
-}; // TPropose 
- 
-class TDropReplication: public TSubOperation { 
-    static TTxState::ETxState NextState() { 
-        return TTxState::DropParts; 
-    } 
- 
-    static TTxState::ETxState NextState(TTxState::ETxState state) { 
-        switch (state) { 
-        case TTxState::DropParts: 
-            return TTxState::Propose; 
-        case TTxState::Propose: 
-            return TTxState::Done; 
-        default: 
-            return TTxState::Invalid; 
-        } 
-    } 
- 
-    TSubOperationState::TPtr SelectStateFunc(TTxState::ETxState state) { 
-        switch (state) { 
-        case TTxState::DropParts: 
-            return MakeHolder<TDropParts>(OperationId); 
-        case TTxState::Propose: 
-            return MakeHolder<TPropose>(OperationId); 
-        case TTxState::Done: 
-            return MakeHolder<TDone>(OperationId); 
-        default: 
-            return nullptr; 
-        } 
-    } 
- 
-    void StateDone(TOperationContext& context) override { 
-        State = NextState(State); 
- 
-        if (State != TTxState::Invalid) { 
-            SetState(SelectStateFunc(State)); 
-            context.OnComplete.ActivateTx(OperationId); 
-        } 
-    } 
-public: 
-    explicit TDropReplication(TOperationId id, const TTxTransaction& tx) 
-        : OperationId(id) 
-        , Transaction(tx) 
-        , State(TTxState::Invalid) 
-    { 
-    } 
- 
-    explicit TDropReplication(TOperationId id, TTxState::ETxState state) 
-        : OperationId(id) 
-        , State(state) 
-    { 
-        SetState(SelectStateFunc(state)); 
-    } 
- 
-    THolder<TProposeResponse> Propose(const TString&, TOperationContext& context) override { 
-        const auto& workingDir = Transaction.GetWorkingDir(); 
-        const auto& op = Transaction.GetDrop(); 
-        const auto& name = op.GetName(); 
- 
-        LOG_N("TDropReplication Propose" 
-            << ": opId# " << OperationId 
-            << ", path# " << workingDir << "/" << name); 
- 
-        auto result = MakeHolder<TProposeResponse>(NKikimrScheme::StatusAccepted, ui64(OperationId.GetTxId()), ui64(context.SS->SelfTabletId())); 
- 
-        const auto path = op.HasId() 
-            ? TPath::Init(context.SS->MakeLocalId(op.GetId()), context.SS) 
-            : TPath::Resolve(workingDir, context.SS).Dive(name); 
-        { 
-            const auto checks = path.Check(); 
-            checks 
-                .NotEmpty() 
-                .NotUnderDomainUpgrade() 
-                .IsAtLocalSchemeShard() 
-                .IsResolved() 
-                .IsReplication() 
-                .NotDeleted() 
-                .NotUnderDeleting() 
-                .NotUnderOperation(); 
- 
-            if (!checks) { 
-                TString explain = TStringBuilder() << "path checks failed, path: " << path.PathString(); 
-                const auto status = checks.GetStatus(&explain); 
-                result->SetError(status, explain); 
-                if (path.IsResolved() && path->IsReplication() && (path->PlannedToDrop() || path->Dropped())) { 
-                    result->SetPathDropTxId(ui64(path->DropTxId)); 
-                    result->SetPathId(path->PathId.LocalPathId); 
-                } 
- 
-                return result; 
-            } 
-        } 
- 
-        const auto parentPath = path.Parent(); 
-        { 
-            const auto checks = parentPath.Check(); 
-            checks 
-                .NotEmpty() 
-                .NotUnderDomainUpgrade() 
-                .IsAtLocalSchemeShard() 
-                .IsResolved() 
-                .NotDeleted() 
-                .NotUnderDeleting() 
-                .IsCommonSensePath() 
-                .IsLikeDirectory(); 
- 
-            if (!checks) { 
-                TString explain = TStringBuilder() << "parent path checks failed, path: " << parentPath.PathString(); 
-                const auto status = checks.GetStatus(&explain); 
-                result->SetError(status, explain); 
- 
-                return result; 
-            } 
-        } 
- 
-        TString errStr; 
-        if (!context.SS->CheckApplyIf(Transaction, errStr)) { 
-            result->SetError(NKikimrScheme::StatusPreconditionFailed, errStr); 
-            return result; 
-        } 
- 
-        Y_VERIFY(context.SS->Replications.contains(path->PathId)); 
-        auto replication = context.SS->Replications.at(path->PathId); 
-        Y_VERIFY(!replication->AlterData); 
- 
-        Y_VERIFY(!context.SS->FindTx(OperationId)); 
-        auto& txState = context.SS->CreateTx(OperationId, TTxState::TxDropReplication, path->PathId); 
-        txState.State = TTxState::DropParts; 
-        txState.MinStep = TStepId(1); 
- 
-        for (const auto& shardIdx: path.DomainInfo()->GetReplicationControllers()) { 
-            Y_VERIFY_S(context.SS->ShardInfos.contains(shardIdx), "Unknown shardIdx " << shardIdx); 
-            const auto tabletType = context.SS->ShardInfos.at(shardIdx).TabletType; 
-            txState.Shards.emplace_back(shardIdx, tabletType, TTxState::DropParts); 
-        } 
- 
-        path->PathState = TPathElement::EPathState::EPathStateDrop; 
-        path->DropTxId = OperationId.GetTxId(); 
-        path->LastTxId = OperationId.GetTxId(); 
- 
-        NIceDb::TNiceDb db(context.Txc.DB); 
- 
-        context.SS->PersistLastTxId(db, path.Base()); 
-        context.SS->PersistTxState(db, OperationId); 
- 
-        ++parentPath->DirAlterVersion; 
-        context.SS->PersistPathDirAlterVersion(db, parentPath.Base()); 
- 
-        context.SS->ClearDescribePathCaches(parentPath.Base()); 
-        context.OnComplete.PublishToSchemeBoard(OperationId, parentPath->PathId); 
- 
-        context.SS->ClearDescribePathCaches(path.Base()); 
-        context.OnComplete.PublishToSchemeBoard(OperationId, path->PathId); 
- 
-        context.OnComplete.ActivateTx(OperationId); 
- 
-        State = NextState(); 
-        SetState(SelectStateFunc(State)); 
- 
-        return result; 
-    } 
- 
-    void AbortPropose(TOperationContext&) override { 
-        Y_FAIL("no AbortPropose for TDropReplication"); 
-    } 
- 
-    void AbortUnsafe(TTxId txId, TOperationContext& context) override { 
-        LOG_N("TDropReplication AbortUnsafe" 
-            << ": opId# " << OperationId 
-            << ", txId# " << txId); 
-        context.OnComplete.DoneOperation(OperationId); 
-    } 
- 
-private: 
-    const TOperationId OperationId; 
-    const TTxTransaction Transaction; 
-    TTxState::ETxState State; 
- 
-}; // TDropReplication 
- 
-} // anonymous 
- 
-ISubOperationBase::TPtr CreateDropReplication(TOperationId id, const TTxTransaction& tx) { 
-    return new TDropReplication(id, tx); 
-} 
- 
-ISubOperationBase::TPtr CreateDropReplication(TOperationId id, TTxState::ETxState state) { 
-    return new TDropReplication(id, state); 
-} 
- 
-} // NSchemeShard 
-} // NKikimr 
+#include "schemeshard__operation_part.h"
+#include "schemeshard__operation_common.h"
+#include "schemeshard_impl.h"
+
+#include <ydb/core/tx/replication/controller/public_events.h>
+
+#define LOG_D(stream) LOG_DEBUG_S (context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "[" << context.SS->TabletID() << "] " << stream)
+#define LOG_I(stream) LOG_INFO_S  (context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "[" << context.SS->TabletID() << "] " << stream)
+#define LOG_N(stream) LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "[" << context.SS->TabletID() << "] " << stream)
+#define LOG_W(stream) LOG_WARN_S  (context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "[" << context.SS->TabletID() << "] " << stream)
+
+namespace NKikimr {
+namespace NSchemeShard {
+
+namespace {
+
+class TDropParts: public TSubOperationState {
+    TString DebugHint() const override {
+        return TStringBuilder()
+            << "TDropReplication TDropParts"
+            << " opId# " << OperationId << " ";
+    }
+
+public:
+    explicit TDropParts(TOperationId id)
+        : OperationId(id)
+    {
+        IgnoreMessages(DebugHint(), {});
+    }
+
+    bool ProgressState(TOperationContext& context) override {
+        LOG_I(DebugHint() << "ProgressState");
+
+        auto* txState = context.SS->FindTx(OperationId);
+        Y_VERIFY(txState);
+        Y_VERIFY(txState->TxType == TTxState::TxDropReplication);
+        const auto& pathId = txState->TargetPathId;
+
+        txState->ClearShardsInProgress();
+
+        for (const auto& shard : txState->Shards) {
+            Y_VERIFY(shard.TabletType == ETabletType::ReplicationController);
+
+            Y_VERIFY(context.SS->ShardInfos.contains(shard.Idx));
+            const auto tabletId = context.SS->ShardInfos.at(shard.Idx).TabletID;
+
+            auto ev = MakeHolder<NReplication::TEvController::TEvDropReplication>();
+            PathIdFromPathId(pathId, ev->Record.MutablePathId());
+            ev->Record.MutableOperationId()->SetTxId(ui64(OperationId.GetTxId()));
+            ev->Record.MutableOperationId()->SetPartId(ui32(OperationId.GetSubTxId()));
+
+            LOG_D(DebugHint() << "Send TEvDropReplication to controller"
+                << ": tabletId# " << tabletId
+                << ", ev# " << ev->ToString());
+            context.OnComplete.BindMsgToPipe(OperationId, tabletId, pathId, ev.Release());
+
+            txState->ShardsInProgress.insert(shard.Idx);
+        }
+
+        return false;
+    }
+
+    bool HandleReply(NReplication::TEvController::TEvDropReplicationResult::TPtr& ev, TOperationContext& context) override {
+        LOG_I(DebugHint() << "HandleReply " << ev->Get()->ToString());
+
+        const auto tabletId = TTabletId(ev->Get()->Record.GetOrigin());
+        const auto status = ev->Get()->Record.GetStatus();
+
+        switch (status) {
+        case NKikimrReplication::TEvDropReplicationResult::SUCCESS:
+        case NKikimrReplication::TEvDropReplicationResult::NOT_FOUND:
+            break;
+        default:
+            LOG_W(DebugHint() << "Ignoring unexpected TEvDropReplicationResult"
+                << " tabletId# " << tabletId
+                << " status# " << static_cast<int>(status));
+            return false;
+        }
+
+        auto* txState = context.SS->FindTx(OperationId);
+        Y_VERIFY(txState);
+        Y_VERIFY(txState->TxType == TTxState::TxDropReplication);
+        Y_VERIFY(txState->State == TTxState::DropParts);
+
+        const auto shardIdx = context.SS->MustGetShardIdx(tabletId);
+        if (!txState->ShardsInProgress.erase(shardIdx)) {
+            LOG_W(DebugHint() << "Ignoring duplicate TEvDropReplicationResult");
+            return false;
+        }
+
+        context.OnComplete.UnbindMsgFromPipe(OperationId, tabletId, txState->TargetPathId);
+
+        if (!txState->ShardsInProgress.empty()) {
+            return false;
+        }
+
+        NIceDb::TNiceDb db(context.Txc.DB);
+        context.SS->ChangeTxState(db, OperationId, TTxState::Propose);
+        context.OnComplete.ActivateTx(OperationId);
+
+        return true;
+    }
+
+private:
+    const TOperationId OperationId;
+
+}; // TDropParts
+
+class TPropose: public TSubOperationState {
+    TString DebugHint() const override {
+        return TStringBuilder()
+            << "TDropReplication TPropose"
+            << " opId# " << OperationId << " ";
+    }
+
+public:
+    explicit TPropose(TOperationId id)
+        : OperationId(id)
+    {
+        IgnoreMessages(DebugHint(), {
+            NReplication::TEvController::TEvDropReplicationResult::EventType,
+        });
+    }
+
+    bool ProgressState(TOperationContext& context) override {
+        LOG_I(DebugHint() << "ProgressState");
+
+        const auto* txState = context.SS->FindTx(OperationId);
+        Y_VERIFY(txState);
+        Y_VERIFY(txState->TxType == TTxState::TxDropReplication);
+
+        context.OnComplete.ProposeToCoordinator(OperationId, txState->TargetPathId, TStepId(0));
+        return false;
+    }
+
+    bool HandleReply(TEvPrivate::TEvOperationPlan::TPtr& ev, TOperationContext& context) override {
+        const auto step = TStepId(ev->Get()->StepId);
+
+        LOG_I(DebugHint() << "HandleReply TEvOperationPlan"
+            << ": step# " << step);
+
+        const auto* txState = context.SS->FindTx(OperationId);
+        Y_VERIFY(txState);
+        Y_VERIFY(txState->TxType == TTxState::TxDropReplication);
+        const auto& pathId = txState->TargetPathId;
+
+        Y_VERIFY(context.SS->PathsById.contains(pathId));
+        auto path = context.SS->PathsById.at(pathId);
+
+        Y_VERIFY(context.SS->PathsById.contains(path->ParentPathId));
+        auto parentPath = context.SS->PathsById.at(path->ParentPathId);
+
+        NIceDb::TNiceDb db(context.Txc.DB);
+
+        Y_VERIFY(!path->Dropped());
+        path->SetDropped(step, OperationId.GetTxId());
+        context.SS->PersistDropStep(db, pathId, step, OperationId);
+        context.SS->PersistReplicationRemove(db, pathId);
+
+        context.SS->TabletCounters->Simple()[COUNTER_USER_ATTRIBUTES_COUNT].Add(-path->UserAttrs->Size());
+        context.SS->PersistUserAttributes(db, path->PathId, path->UserAttrs, nullptr);
+
+        context.SS->TabletCounters->Simple()[COUNTER_REPLICATION_COUNT].Add(-1);
+        context.SS->ResolveDomainInfo(pathId)->DecPathsInside();
+        parentPath->DecAliveChildren();
+
+        ++parentPath->DirAlterVersion;
+        context.SS->PersistPathDirAlterVersion(db, parentPath);
+
+        context.SS->ClearDescribePathCaches(parentPath);
+        context.OnComplete.PublishToSchemeBoard(OperationId, parentPath->PathId);
+
+        context.SS->ClearDescribePathCaches(path);
+        context.OnComplete.PublishToSchemeBoard(OperationId, pathId);
+
+        context.SS->ChangeTxState(db, OperationId, TTxState::Done);
+        return true;
+    }
+
+private:
+   const TOperationId OperationId;
+
+}; // TPropose
+
+class TDropReplication: public TSubOperation {
+    static TTxState::ETxState NextState() {
+        return TTxState::DropParts;
+    }
+
+    static TTxState::ETxState NextState(TTxState::ETxState state) {
+        switch (state) {
+        case TTxState::DropParts:
+            return TTxState::Propose;
+        case TTxState::Propose:
+            return TTxState::Done;
+        default:
+            return TTxState::Invalid;
+        }
+    }
+
+    TSubOperationState::TPtr SelectStateFunc(TTxState::ETxState state) {
+        switch (state) {
+        case TTxState::DropParts:
+            return MakeHolder<TDropParts>(OperationId);
+        case TTxState::Propose:
+            return MakeHolder<TPropose>(OperationId);
+        case TTxState::Done:
+            return MakeHolder<TDone>(OperationId);
+        default:
+            return nullptr;
+        }
+    }
+
+    void StateDone(TOperationContext& context) override {
+        State = NextState(State);
+
+        if (State != TTxState::Invalid) {
+            SetState(SelectStateFunc(State));
+            context.OnComplete.ActivateTx(OperationId);
+        }
+    }
+public:
+    explicit TDropReplication(TOperationId id, const TTxTransaction& tx)
+        : OperationId(id)
+        , Transaction(tx)
+        , State(TTxState::Invalid)
+    {
+    }
+
+    explicit TDropReplication(TOperationId id, TTxState::ETxState state)
+        : OperationId(id)
+        , State(state)
+    {
+        SetState(SelectStateFunc(state));
+    }
+
+    THolder<TProposeResponse> Propose(const TString&, TOperationContext& context) override {
+        const auto& workingDir = Transaction.GetWorkingDir();
+        const auto& op = Transaction.GetDrop();
+        const auto& name = op.GetName();
+
+        LOG_N("TDropReplication Propose"
+            << ": opId# " << OperationId
+            << ", path# " << workingDir << "/" << name);
+
+        auto result = MakeHolder<TProposeResponse>(NKikimrScheme::StatusAccepted, ui64(OperationId.GetTxId()), ui64(context.SS->SelfTabletId()));
+
+        const auto path = op.HasId()
+            ? TPath::Init(context.SS->MakeLocalId(op.GetId()), context.SS)
+            : TPath::Resolve(workingDir, context.SS).Dive(name);
+        {
+            const auto checks = path.Check();
+            checks
+                .NotEmpty()
+                .NotUnderDomainUpgrade()
+                .IsAtLocalSchemeShard()
+                .IsResolved()
+                .IsReplication()
+                .NotDeleted()
+                .NotUnderDeleting()
+                .NotUnderOperation();
+
+            if (!checks) {
+                TString explain = TStringBuilder() << "path checks failed, path: " << path.PathString();
+                const auto status = checks.GetStatus(&explain);
+                result->SetError(status, explain);
+                if (path.IsResolved() && path->IsReplication() && (path->PlannedToDrop() || path->Dropped())) {
+                    result->SetPathDropTxId(ui64(path->DropTxId));
+                    result->SetPathId(path->PathId.LocalPathId);
+                }
+
+                return result;
+            }
+        }
+
+        const auto parentPath = path.Parent();
+        {
+            const auto checks = parentPath.Check();
+            checks
+                .NotEmpty()
+                .NotUnderDomainUpgrade()
+                .IsAtLocalSchemeShard()
+                .IsResolved()
+                .NotDeleted()
+                .NotUnderDeleting()
+                .IsCommonSensePath()
+                .IsLikeDirectory();
+
+            if (!checks) {
+                TString explain = TStringBuilder() << "parent path checks failed, path: " << parentPath.PathString();
+                const auto status = checks.GetStatus(&explain);
+                result->SetError(status, explain);
+
+                return result;
+            }
+        }
+
+        TString errStr;
+        if (!context.SS->CheckApplyIf(Transaction, errStr)) {
+            result->SetError(NKikimrScheme::StatusPreconditionFailed, errStr);
+            return result;
+        }
+
+        Y_VERIFY(context.SS->Replications.contains(path->PathId));
+        auto replication = context.SS->Replications.at(path->PathId);
+        Y_VERIFY(!replication->AlterData);
+
+        Y_VERIFY(!context.SS->FindTx(OperationId));
+        auto& txState = context.SS->CreateTx(OperationId, TTxState::TxDropReplication, path->PathId);
+        txState.State = TTxState::DropParts;
+        txState.MinStep = TStepId(1);
+
+        for (const auto& shardIdx: path.DomainInfo()->GetReplicationControllers()) {
+            Y_VERIFY_S(context.SS->ShardInfos.contains(shardIdx), "Unknown shardIdx " << shardIdx);
+            const auto tabletType = context.SS->ShardInfos.at(shardIdx).TabletType;
+            txState.Shards.emplace_back(shardIdx, tabletType, TTxState::DropParts);
+        }
+
+        path->PathState = TPathElement::EPathState::EPathStateDrop;
+        path->DropTxId = OperationId.GetTxId();
+        path->LastTxId = OperationId.GetTxId();
+
+        NIceDb::TNiceDb db(context.Txc.DB);
+
+        context.SS->PersistLastTxId(db, path.Base());
+        context.SS->PersistTxState(db, OperationId);
+
+        ++parentPath->DirAlterVersion;
+        context.SS->PersistPathDirAlterVersion(db, parentPath.Base());
+
+        context.SS->ClearDescribePathCaches(parentPath.Base());
+        context.OnComplete.PublishToSchemeBoard(OperationId, parentPath->PathId);
+
+        context.SS->ClearDescribePathCaches(path.Base());
+        context.OnComplete.PublishToSchemeBoard(OperationId, path->PathId);
+
+        context.OnComplete.ActivateTx(OperationId);
+
+        State = NextState();
+        SetState(SelectStateFunc(State));
+
+        return result;
+    }
+
+    void AbortPropose(TOperationContext&) override {
+        Y_FAIL("no AbortPropose for TDropReplication");
+    }
+
+    void AbortUnsafe(TTxId txId, TOperationContext& context) override {
+        LOG_N("TDropReplication AbortUnsafe"
+            << ": opId# " << OperationId
+            << ", txId# " << txId);
+        context.OnComplete.DoneOperation(OperationId);
+    }
+
+private:
+    const TOperationId OperationId;
+    const TTxTransaction Transaction;
+    TTxState::ETxState State;
+
+}; // TDropReplication
+
+} // anonymous
+
+ISubOperationBase::TPtr CreateDropReplication(TOperationId id, const TTxTransaction& tx) {
+    return new TDropReplication(id, tx);
+}
+
+ISubOperationBase::TPtr CreateDropReplication(TOperationId id, TTxState::ETxState state) {
+    return new TDropReplication(id, state);
+}
+
+} // NSchemeShard
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_drop_solomon.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_drop_solomon.cpp
index 99ec6f0cca..bdd9f953d4 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_drop_solomon.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_drop_solomon.cpp
@@ -96,8 +96,8 @@ public:
         context.OnComplete.PublishToSchemeBoard(OperationId, parentDir->PathId);
 
         context.SS->ClearDescribePathCaches(path);
-        context.OnComplete.PublishToSchemeBoard(OperationId, pathId); 
- 
+        context.OnComplete.PublishToSchemeBoard(OperationId, pathId);
+
         context.SS->ChangeTxState(db, OperationId, TTxState::ProposedDeleteParts);
         return true;
     }
@@ -120,8 +120,8 @@ public:
 
 
 class TDropSolomon: public TSubOperation {
-    const TOperationId OperationId; 
-    const TTxTransaction Transaction; 
+    const TOperationId OperationId;
+    const TTxTransaction Transaction;
     TTxState::ETxState State = TTxState::Invalid;
 
     TTxState::ETxState NextState() {
@@ -161,11 +161,11 @@ class TDropSolomon: public TSubOperation {
     }
 
 public:
-    TDropSolomon(TOperationId id, const TTxTransaction& tx) 
+    TDropSolomon(TOperationId id, const TTxTransaction& tx)
         : OperationId(id)
-        , Transaction(tx) 
-    { 
-    } 
+        , Transaction(tx)
+    {
+    }
 
     TDropSolomon(TOperationId id, TTxState::ETxState state)
         : OperationId(id)
@@ -177,14 +177,14 @@ public:
     THolder<TProposeResponse> Propose(const TString&, TOperationContext& context) override {
         const TTabletId ssId = context.SS->SelfTabletId();
 
-        const auto& drop = Transaction.GetDrop(); 
+        const auto& drop = Transaction.GetDrop();
 
-        const TString& parentPathStr = Transaction.GetWorkingDir(); 
-        const TString& name = drop.GetName(); 
+        const TString& parentPathStr = Transaction.GetWorkingDir();
+        const TString& name = drop.GetName();
 
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TDropSolomon Propose"
-                         << ", path: " << parentPathStr << "/" << name 
+                         << ", path: " << parentPathStr << "/" << name
                          << ", pathId: " << drop.GetId()
                          << ", opId: " << OperationId
                          << ", at schemeshard: " << ssId);
@@ -197,8 +197,8 @@ public:
 
         {
             TPath::TChecker checks = path.Check();
-            checks 
-                .NotEmpty() 
+            checks
+                .NotEmpty()
                 .NotUnderDomainUpgrade()
                 .IsAtLocalSchemeShard()
                 .IsResolved()
@@ -221,8 +221,8 @@ public:
             }
         }
 
-        TString errStr; 
-        if (!context.SS->CheckApplyIf(Transaction, errStr)) { 
+        TString errStr;
+        if (!context.SS->CheckApplyIf(Transaction, errStr)) {
             result->SetError(NKikimrScheme::StatusPreconditionFailed, errStr);
             return result;
         }
@@ -268,16 +268,16 @@ public:
         return result;
     }
 
-    void AbortPropose(TOperationContext&) override { 
-        Y_FAIL("no AbortPropose for TDropSolomon"); 
-    } 
- 
+    void AbortPropose(TOperationContext&) override {
+        Y_FAIL("no AbortPropose for TDropSolomon");
+    }
+
     void AbortUnsafe(TTxId forceDropTxId, TOperationContext& context) override {
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TDropSolomon AbortUnsafe"
                          << ", opId: " << OperationId
                          << ", forceDropId: " << forceDropTxId
-                         << ", at schemeshard: " << context.SS->TabletID()); 
+                         << ", at schemeshard: " << context.SS->TabletID());
 
         TTxState* txState = context.SS->FindTx(OperationId);
         Y_VERIFY(txState);
@@ -302,12 +302,12 @@ public:
 namespace NKikimr {
 namespace NSchemeShard {
 
-ISubOperationBase::TPtr CreateDropSolomon(TOperationId id, const TTxTransaction& tx) { 
-    return new TDropSolomon(id, tx); 
-} 
- 
+ISubOperationBase::TPtr CreateDropSolomon(TOperationId id, const TTxTransaction& tx) {
+    return new TDropSolomon(id, tx);
+}
+
 ISubOperationBase::TPtr CreateDropSolomon(TOperationId id, TTxState::ETxState state) {
-    Y_VERIFY(state != TTxState::Invalid); 
+    Y_VERIFY(state != TTxState::Invalid);
     return new TDropSolomon(id, state);
 }
 
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_drop_subdomain.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_drop_subdomain.cpp
index 58873e0175..832fd1df70 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_drop_subdomain.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_drop_subdomain.cpp
@@ -91,8 +91,8 @@ public:
         context.OnComplete.PublishToSchemeBoard(OperationId, parentDir->PathId);
 
         context.SS->ClearDescribePathCaches(path);
-        context.OnComplete.PublishToSchemeBoard(OperationId, pathId); 
- 
+        context.OnComplete.PublishToSchemeBoard(OperationId, pathId);
+
         context.SS->ChangeTxState(db, OperationId, TTxState::ProposedDeleteParts);
         return true;
     }
@@ -115,8 +115,8 @@ public:
 
 
 class TDropSubdomain: public TSubOperation {
-    const TOperationId OperationId; 
-    const TTxTransaction Transaction; 
+    const TOperationId OperationId;
+    const TTxTransaction Transaction;
     TTxState::ETxState State = TTxState::Invalid;
 
     TTxState::ETxState NextState() {
@@ -156,11 +156,11 @@ class TDropSubdomain: public TSubOperation {
     }
 
 public:
-    TDropSubdomain(TOperationId id, const TTxTransaction& tx) 
+    TDropSubdomain(TOperationId id, const TTxTransaction& tx)
         : OperationId(id)
-        , Transaction(tx) 
-    { 
-    } 
+        , Transaction(tx)
+    {
+    }
 
     TDropSubdomain(TOperationId id, TTxState::ETxState state)
         : OperationId(id)
@@ -172,10 +172,10 @@ public:
     THolder<TProposeResponse> Propose(const TString&, TOperationContext& context) override {
         const TTabletId ssId = context.SS->SelfTabletId();
 
-        const auto& drop = Transaction.GetDrop(); 
+        const auto& drop = Transaction.GetDrop();
 
-        const TString& parentPathStr = Transaction.GetWorkingDir(); 
-        const TString& name = drop.GetName(); 
+        const TString& parentPathStr = Transaction.GetWorkingDir();
+        const TString& name = drop.GetName();
 
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TDropSubdomain Propose"
@@ -192,8 +192,8 @@ public:
 
         {
             TPath::TChecker checks = path.Check();
-            checks 
-                .NotEmpty() 
+            checks
+                .NotEmpty()
                 .NotUnderDomainUpgrade()
                 .IsAtLocalSchemeShard()
                 .IsResolved()
@@ -222,8 +222,8 @@ public:
             return result;
         }
 
-        TString errStr; 
-        if (!context.SS->CheckApplyIf(Transaction, errStr)) { 
+        TString errStr;
+        if (!context.SS->CheckApplyIf(Transaction, errStr)) {
             result->SetError(NKikimrScheme::StatusPreconditionFailed, errStr);
             return result;
         }
@@ -266,16 +266,16 @@ public:
         return result;
     }
 
-    void AbortPropose(TOperationContext&) override { 
-        Y_FAIL("no AbortPropose for TDropSubdomain"); 
-    } 
- 
+    void AbortPropose(TOperationContext&) override {
+        Y_FAIL("no AbortPropose for TDropSubdomain");
+    }
+
     void AbortUnsafe(TTxId forceDropTxId, TOperationContext& context) override {
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TDropSubdomain AbortUnsafe"
                          << ", opId: " << OperationId
                          << ", forceDropId: " << forceDropTxId
-                         << ", at schemeshard: " << context.SS->TabletID()); 
+                         << ", at schemeshard: " << context.SS->TabletID());
 
         TTxState* txState = context.SS->FindTx(OperationId);
         Y_VERIFY(txState);
@@ -301,12 +301,12 @@ public:
 namespace NKikimr {
 namespace NSchemeShard {
 
-ISubOperationBase::TPtr CreateDropSubdomain(TOperationId id, const TTxTransaction& tx) { 
-    return new TDropSubdomain(id, tx); 
-} 
- 
+ISubOperationBase::TPtr CreateDropSubdomain(TOperationId id, const TTxTransaction& tx) {
+    return new TDropSubdomain(id, tx);
+}
+
 ISubOperationBase::TPtr CreateDropSubdomain(TOperationId id, TTxState::ETxState state) {
-    Y_VERIFY(state != TTxState::Invalid); 
+    Y_VERIFY(state != TTxState::Invalid);
     return new TDropSubdomain(id, state);
 }
 
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_drop_table.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_drop_table.cpp
index 6534af3d3f..45730be409 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_drop_table.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_drop_table.cpp
@@ -120,7 +120,7 @@ public:
             NKikimrTxDataShard::TFlatSchemeTransaction tx;
             context.SS->FillSeqNo(tx, seqNo);
             tx.MutableDropTable()->SetId_Deprecated(pathId.LocalPathId);
-            PathIdFromPathId(pathId, tx.MutableDropTable()->MutablePathId()); 
+            PathIdFromPathId(pathId, tx.MutableDropTable()->MutablePathId());
             tx.MutableDropTable()->SetName(path->Name);
             Y_PROTOBUF_SUPPRESS_NODISCARD tx.SerializeToString(&txBody);
         }
@@ -416,7 +416,7 @@ public:
         THolder<TEvDataShard::TEvSchemaChangedResult> event = MakeHolder<TEvDataShard::TEvSchemaChangedResult>();
         event->Record.SetTxId(ui64(OperationId.GetTxId()));
 
-        context.OnComplete.Send(ackTo, std::move(event)); 
+        context.OnComplete.Send(ackTo, std::move(event));
         return false;
     }
 
@@ -505,9 +505,9 @@ private:
     }
 
 public:
-    TDropTable(TOperationId id, const TTxTransaction& tx) 
+    TDropTable(TOperationId id, const TTxTransaction& tx)
         : OperationId(id)
-        , Transaction(tx) 
+        , Transaction(tx)
     {}
 
     TDropTable(TOperationId id, TTxState::ETxState state)
@@ -520,10 +520,10 @@ public:
     THolder<TProposeResponse> Propose(const TString&, TOperationContext& context) override {
         const TTabletId ssId = context.SS->SelfTabletId();
 
-        const auto& drop = Transaction.GetDrop(); 
+        const auto& drop = Transaction.GetDrop();
 
-        const TString& parentPathStr = Transaction.GetWorkingDir(); 
-        const TString& name = drop.GetName(); 
+        const TString& parentPathStr = Transaction.GetWorkingDir();
+        const TString& name = drop.GetName();
 
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TDropTable Propose"
@@ -540,25 +540,25 @@ public:
 
         {
             TPath::TChecker checks = path.Check();
-            checks 
-                .NotEmpty() 
+            checks
+                .NotEmpty()
                 .NotUnderDomainUpgrade()
                 .IsAtLocalSchemeShard()
-                .IsResolved() 
-                .NotDeleted() 
-                .IsTable() 
-                .NotUnderDeleting() 
-                .NotUnderOperation(); 
+                .IsResolved()
+                .NotDeleted()
+                .IsTable()
+                .NotUnderDeleting()
+                .NotUnderOperation();
 
             if (!checks) {
                 TString explain = TStringBuilder() << "path fail checks"
                                                    << ", path: " << path.PathString();
                 auto status = checks.GetStatus(&explain);
                 result->SetError(status, explain);
-                if (path.IsResolved() && path.Base()->IsTable() && (path.Base()->PlannedToDrop() || path.Base()->Dropped())) { 
-                    result->SetPathDropTxId(ui64(path.Base()->DropTxId)); 
-                    result->SetPathId(path.Base()->PathId.LocalPathId); 
-                } 
+                if (path.IsResolved() && path.Base()->IsTable() && (path.Base()->PlannedToDrop() || path.Base()->Dropped())) {
+                    result->SetPathDropTxId(ui64(path.Base()->DropTxId));
+                    result->SetPathId(path.Base()->PathId.LocalPathId);
+                }
                 return result;
             }
         }
@@ -566,20 +566,20 @@ public:
         TPath parent = path.Parent();
         {
             TPath::TChecker checks = parent.Check();
-            checks 
-                .NotEmpty() 
+            checks
+                .NotEmpty()
                 .IsResolved()
                 .NotDeleted();
 
             if (checks) {
                 if (parent.Base()->IsTableIndex()) {
-                    checks 
-                        .IsTableIndex() 
+                    checks
+                        .IsTableIndex()
                         .IsInsideTableIndexPath()
                         .IsUnderDeleting()
                         .IsUnderTheSameOperation(OperationId.GetTxId()); //allow only as part of drop base table
                 } else {
-                    checks 
+                    checks
                         .IsLikeDirectory()
                         .IsCommonSensePath()
                         .NotUnderDeleting();
@@ -595,8 +595,8 @@ public:
             }
         }
 
-        TString errStr; 
-        if (!context.SS->CheckApplyIf(Transaction, errStr)) { 
+        TString errStr;
+        if (!context.SS->CheckApplyIf(Transaction, errStr)) {
             result->SetError(NKikimrScheme::StatusPreconditionFailed, errStr);
             return result;
         }
@@ -655,14 +655,14 @@ public:
                      "TDropTable AbortPropose"
                          << ", opId: " << OperationId
                          << ", at schemeshard: " << context.SS->TabletID());
-    } 
- 
+    }
+
     void AbortUnsafe(TTxId forceDropTxId, TOperationContext& context) override {
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TDropTable AbortUnsafe"
                          << ", opId: " << OperationId
                          << ", forceDropId: " << forceDropTxId
-                         << ", at schemeshard: " << context.SS->TabletID()); 
+                         << ", at schemeshard: " << context.SS->TabletID());
 
         TTxState* txState = context.SS->FindTx(OperationId);
         Y_VERIFY(txState);
@@ -687,10 +687,10 @@ public:
 namespace NKikimr {
 namespace NSchemeShard {
 
-ISubOperationBase::TPtr CreateDropTable(TOperationId id, const TTxTransaction& tx) { 
-    return new TDropTable(id, tx); 
-} 
- 
+ISubOperationBase::TPtr CreateDropTable(TOperationId id, const TTxTransaction& tx) {
+    return new TDropTable(id, tx);
+}
+
 ISubOperationBase::TPtr CreateDropTable(TOperationId id, TTxState::ETxState state) {
     Y_VERIFY(state != TTxState::Invalid);
     return new TDropTable(id, state);
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_drop_unsafe.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_drop_unsafe.cpp
index ea4e73d137..a1a9f2ccfd 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_drop_unsafe.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_drop_unsafe.cpp
@@ -91,10 +91,10 @@ public:
         context.SS->ClearDescribePathCaches(parentDir);
         context.OnComplete.PublishToSchemeBoard(OperationId, parentDir->PathId);
 
-        for (const TPathId pathId : pathes) { 
-            context.OnComplete.PublishToSchemeBoard(OperationId, pathId); 
-        } 
- 
+        for (const TPathId pathId : pathes) {
+            context.OnComplete.PublishToSchemeBoard(OperationId, pathId);
+        }
+
         context.SS->ChangeTxState(db, OperationId, TTxState::ProposedDeleteParts);
         return true;
     }
@@ -122,9 +122,9 @@ public:
 
 
 class TDropForceUnsafe: public TSubOperation {
-    const TOperationId OperationId; 
-    const TTxTransaction Transaction; 
- 
+    const TOperationId OperationId;
+    const TTxTransaction Transaction;
+
     TTxState::ETxState State = TTxState::Invalid;
     TPathElement::EPathType ExpectedType = TPathElement::EPathType::EPathTypeInvalid;
 
@@ -164,9 +164,9 @@ class TDropForceUnsafe: public TSubOperation {
     }
 
 public:
-    TDropForceUnsafe(TOperationId id, const TTxTransaction& tx, TPathElement::EPathType expectedType) 
+    TDropForceUnsafe(TOperationId id, const TTxTransaction& tx, TPathElement::EPathType expectedType)
         : OperationId(id)
-        , Transaction(tx) 
+        , Transaction(tx)
         , ExpectedType(expectedType)
     {}
 
@@ -180,10 +180,10 @@ public:
     THolder<TProposeResponse> Propose(const TString&, TOperationContext& context) override {
         const TTabletId ssId = context.SS->SelfTabletId();
 
-        const auto& drop = Transaction.GetDrop(); 
+        const auto& drop = Transaction.GetDrop();
 
-        const TString& parentPathStr = Transaction.GetWorkingDir(); 
-        const TString& name = drop.GetName(); 
+        const TString& parentPathStr = Transaction.GetWorkingDir();
+        const TString& name = drop.GetName();
 
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TDropForceUnsafe Propose"
@@ -216,8 +216,8 @@ public:
 
         {
             TPath::TChecker checks = path.Check();
-            checks 
-                .NotEmpty() 
+            checks
+                .NotEmpty()
                 .IsResolved()
                 .NotRoot()
                 .NotDeleted()
@@ -232,23 +232,23 @@ public:
             }
         }
 
-        if (path.IsUnderCreating()) { 
-            TPath parent = path.Parent(); 
-            if (parent.IsUnderCreating()) { 
-                TPath::TChecker checks = parent.Check(); 
-                checks 
+        if (path.IsUnderCreating()) {
+            TPath parent = path.Parent();
+            if (parent.IsUnderCreating()) {
+                TPath::TChecker checks = parent.Check();
+                checks
                     .NotUnderTheSameOperation(path.ActiveOperation(), NKikimrScheme::StatusMultipleModifications);
- 
-                if (!checks) { 
-                    TString explain = TStringBuilder() << "parent path fail checks" 
-                                                       << ", path: " << parent.PathString(); 
-                    auto status = checks.GetStatus(&explain); 
-                    result->SetError(status, explain); 
-                    return result; 
-                } 
-            } 
-        } 
- 
+
+                if (!checks) {
+                    TString explain = TStringBuilder() << "parent path fail checks"
+                                                       << ", path: " << parent.PathString();
+                    auto status = checks.GetStatus(&explain);
+                    result->SetError(status, explain);
+                    return result;
+                }
+            }
+        }
+
         if (ExpectedType != TPathElement::EPathType::EPathTypeInvalid) {
             if (path.Base()->PathType != ExpectedType) {
                 result->SetError(NKikimrScheme::StatusNameConflict, "Drop on mismatch item");
@@ -256,8 +256,8 @@ public:
             }
         }
 
-        TString errStr; 
-        if (!context.SS->CheckApplyIf(Transaction, errStr)) { 
+        TString errStr;
+        if (!context.SS->CheckApplyIf(Transaction, errStr)) {
             result->SetError(NKikimrScheme::StatusPreconditionFailed, errStr);
             return result;
         }
@@ -314,16 +314,16 @@ public:
         return result;
     }
 
-    void AbortPropose(TOperationContext&) override { 
-        Y_FAIL("no AbortPropose for TDropForceUnsafe"); 
-    } 
- 
+    void AbortPropose(TOperationContext&) override {
+        Y_FAIL("no AbortPropose for TDropForceUnsafe");
+    }
+
     void AbortUnsafe(TTxId forceDropTxId, TOperationContext& context) override {
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TDropForceUnsafe AbortUnsafe"
                          << ", opId: " << OperationId
                          << ", forceDropId: " << forceDropTxId
-                         << ", at schemeshard: " << context.SS->TabletID()); 
+                         << ", at schemeshard: " << context.SS->TabletID());
 
         TTxState* txState = context.SS->FindTx(OperationId);
         Y_VERIFY(txState);
@@ -348,21 +348,21 @@ public:
 namespace NKikimr {
 namespace NSchemeShard {
 
-ISubOperationBase::TPtr CreateFroceDropUnsafe(TOperationId id, const TTxTransaction& tx) { 
-    return new TDropForceUnsafe(id, tx, TPathElement::EPathType::EPathTypeInvalid); 
-} 
- 
+ISubOperationBase::TPtr CreateFroceDropUnsafe(TOperationId id, const TTxTransaction& tx) {
+    return new TDropForceUnsafe(id, tx, TPathElement::EPathType::EPathTypeInvalid);
+}
+
 ISubOperationBase::TPtr CreateFroceDropUnsafe(TOperationId id, TTxState::ETxState state) {
-    Y_VERIFY(state != TTxState::Invalid); 
+    Y_VERIFY(state != TTxState::Invalid);
     return new TDropForceUnsafe(id, state);
 }
 
 ISubOperationBase::TPtr CreateFroceDropSubDomain(TOperationId id, const TTxTransaction& tx) {
     return new TDropForceUnsafe(id, tx, TPathElement::EPathType::EPathTypeSubDomain);
-} 
- 
+}
+
 ISubOperationBase::TPtr CreateFroceDropSubDomain(TOperationId id, TTxState::ETxState state) {
-    Y_VERIFY(state != TTxState::Invalid); 
+    Y_VERIFY(state != TTxState::Invalid);
     return new TDropForceUnsafe(id, state);
 }
 
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_finalize_build_index.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_finalize_build_index.cpp
index 200338715d..fe4d116416 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_finalize_build_index.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_finalize_build_index.cpp
@@ -68,7 +68,7 @@ public:
 
             NKikimrTxDataShard::TFlatSchemeTransaction tx;
             auto* op = tx.MutableFinalizeBuildIndex();
-            PathIdFromPathId(pathId, op->MutablePathId()); 
+            PathIdFromPathId(pathId, op->MutablePathId());
 
             op->SetSnapshotTxId(ui64(snapshotTxId));
             op->SetSnapshotStep(ui64(snapshotStepid));
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_initiate_build_index.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_initiate_build_index.cpp
index e66db80d2b..f8d5ca96c6 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_initiate_build_index.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_initiate_build_index.cpp
@@ -52,45 +52,45 @@ public:
         Y_VERIFY(txState->TxType == TTxState::TxInitializeBuildIndex);
 
         TPathId pathId = txState->TargetPathId;
-        Y_VERIFY(context.SS->PathsById.contains(pathId)); 
-        TPathElement::TPtr path = context.SS->PathsById.at(pathId); 
- 
-        Y_VERIFY(context.SS->Tables.contains(pathId)); 
+        Y_VERIFY(context.SS->PathsById.contains(pathId));
+        TPathElement::TPtr path = context.SS->PathsById.at(pathId);
+
+        Y_VERIFY(context.SS->Tables.contains(pathId));
         const TTableInfo::TPtr tableInfo = context.SS->Tables.at(pathId);
 
-        NKikimrTxDataShard::TFlatSchemeTransaction txTemplate; 
-        auto initiate = txTemplate.MutableInitiateBuildIndex(); 
-        PathIdFromPathId(pathId, initiate->MutablePathId()); 
-        initiate->SetSnapshotName("Snapshot0"); 
-        initiate->SetTableSchemaVersion(tableInfo->AlterVersion + 1); 
- 
-        bool found = false; 
-        for (const auto& [childName, childPathId] : path->GetChildren()) { 
-            Y_VERIFY(context.SS->PathsById.contains(childPathId)); 
-            auto childPath = context.SS->PathsById.at(childPathId); 
- 
-            if (!childPath->IsTableIndex() || childPath->Dropped() || childPath->PlannedToDrop()) { 
-                continue; 
-            } 
- 
-            Y_VERIFY(context.SS->Indexes.contains(childPathId)); 
-            auto index = context.SS->Indexes.at(childPathId); 
- 
-            if (index->State != TTableIndexInfo::EState::EIndexStateInvalid) { 
-                // doesn't exist yet so its state is invalid 
-                continue; 
-            } 
- 
-            Y_VERIFY_S(!found, "Too many indexes are planned to create" 
-                << ": found# " << TPathId(initiate->GetIndexDescription().GetPathOwnerId(), 
-                    initiate->GetIndexDescription().GetLocalPathId()) 
-                << ", another# " << childPathId); 
-            found = true; 
- 
-            Y_VERIFY(index->AlterData); 
-            context.SS->DescribeTableIndex(childPathId, childName, index->AlterData, *initiate->MutableIndexDescription()); 
-        } 
- 
+        NKikimrTxDataShard::TFlatSchemeTransaction txTemplate;
+        auto initiate = txTemplate.MutableInitiateBuildIndex();
+        PathIdFromPathId(pathId, initiate->MutablePathId());
+        initiate->SetSnapshotName("Snapshot0");
+        initiate->SetTableSchemaVersion(tableInfo->AlterVersion + 1);
+
+        bool found = false;
+        for (const auto& [childName, childPathId] : path->GetChildren()) {
+            Y_VERIFY(context.SS->PathsById.contains(childPathId));
+            auto childPath = context.SS->PathsById.at(childPathId);
+
+            if (!childPath->IsTableIndex() || childPath->Dropped() || childPath->PlannedToDrop()) {
+                continue;
+            }
+
+            Y_VERIFY(context.SS->Indexes.contains(childPathId));
+            auto index = context.SS->Indexes.at(childPathId);
+
+            if (index->State != TTableIndexInfo::EState::EIndexStateInvalid) {
+                // doesn't exist yet so its state is invalid
+                continue;
+            }
+
+            Y_VERIFY_S(!found, "Too many indexes are planned to create"
+                << ": found# " << TPathId(initiate->GetIndexDescription().GetPathOwnerId(),
+                    initiate->GetIndexDescription().GetLocalPathId())
+                << ", another# " << childPathId);
+            found = true;
+
+            Y_VERIFY(index->AlterData);
+            context.SS->DescribeTableIndex(childPathId, childName, index->AlterData, *initiate->MutableIndexDescription());
+        }
+
         txState->ClearShardsInProgress();
 
         for (ui32 i = 0; i < txState->Shards.size(); ++i) {
@@ -99,7 +99,7 @@ public:
 
             auto seqNo = context.SS->StartRound(*txState);
 
-            NKikimrTxDataShard::TFlatSchemeTransaction tx(txTemplate); 
+            NKikimrTxDataShard::TFlatSchemeTransaction tx(txTemplate);
             context.SS->FillSeqNo(tx, seqNo);
 
             TString txBody;
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_just_reject.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_just_reject.cpp
index 0e9443d7a9..43bec868a2 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_just_reject.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_just_reject.cpp
@@ -27,10 +27,10 @@ public:
         Response->SetError(status, explain);
     }
 
-    void AbortPropose(TOperationContext&) override { 
-        Y_FAIL("no AbortPropose for TReject"); 
-    } 
- 
+    void AbortPropose(TOperationContext&) override {
+        Y_FAIL("no AbortPropose for TReject");
+    }
+
     void ProgressState(TOperationContext&) override {
         Y_FAIL("no ProgressState for TReject");
     }
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_memory_changes.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_memory_changes.cpp
index 114c22e7ba..e4151fd8df 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_memory_changes.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_memory_changes.cpp
@@ -64,11 +64,11 @@ void TMemoryChanges::GrabNewIndex(TSchemeShard* ss, const TPathId& pathId) {
 }
 
 void TMemoryChanges::GrabNewCdcStream(TSchemeShard* ss, const TPathId& pathId) {
-    Y_VERIFY(!ss->CdcStreams.contains(pathId)); 
- 
+    Y_VERIFY(!ss->CdcStreams.contains(pathId));
+
     CdcStreams.emplace(pathId, nullptr);
-} 
- 
+}
+
 void TMemoryChanges::UnDo(TSchemeShard* ss) {
     // be aware of the order of grab & undo ops
     // stack is the best way to manage it right
@@ -95,14 +95,14 @@ void TMemoryChanges::UnDo(TSchemeShard* ss) {
 
     while (CdcStreams) {
         const auto& [id, elem] = CdcStreams.top();
-        if (elem) { 
-            ss->CdcStreams[id] = elem; 
-        } else { 
-            ss->CdcStreams.erase(id); 
-        } 
+        if (elem) {
+            ss->CdcStreams[id] = elem;
+        } else {
+            ss->CdcStreams.erase(id);
+        }
         CdcStreams.pop();
-    } 
- 
+    }
+
     while (Tables) {
         const auto& [id, elem] = Tables.top();
         if (elem) {
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_memory_changes.h b/ydb/core/tx/schemeshard/schemeshard__operation_memory_changes.h
index 32d1b939da..c6ec264ffe 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_memory_changes.h
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_memory_changes.h
@@ -21,9 +21,9 @@ class TMemoryChanges: public TSimpleRefCount<TMemoryChanges> {
     using TIndexState = std::pair<TPathId, TTableIndexInfo::TPtr>;
     TStack<TIndexState> Indexes;
 
-    using TCdcStreamState = std::pair<TPathId, TCdcStreamInfo::TPtr>; 
+    using TCdcStreamState = std::pair<TPathId, TCdcStreamInfo::TPtr>;
     TStack<TCdcStreamState> CdcStreams;
- 
+
     using TTableState = std::pair<TPathId, TTableInfo::TPtr>;
     TStack<TTableState> Tables;
 
@@ -55,7 +55,7 @@ public:
     void GrabNewIndex(TSchemeShard* ss, const TPathId& pathId);
 
     void GrabNewCdcStream(TSchemeShard* ss, const TPathId& pathId);
- 
+
     void UnDo(TSchemeShard* ss);
 };
 
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_mkdir.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_mkdir.cpp
index 821efbdd4c..a2afe4741a 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_mkdir.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_mkdir.cpp
@@ -71,8 +71,8 @@ public:
 };
 
 class TMkDir: public TSubOperation {
-    const TOperationId OperationId; 
-    const TTxTransaction Transaction; 
+    const TOperationId OperationId;
+    const TTxTransaction Transaction;
     TTxState::ETxState State = TTxState::Invalid;
 
     TTxState::ETxState NextState() {
@@ -112,29 +112,29 @@ class TMkDir: public TSubOperation {
     }
 
 public:
-    TMkDir(TOperationId id, const TTxTransaction& tx) 
-        : OperationId(id) 
-        , Transaction(tx) 
-    { 
-    } 
- 
+    TMkDir(TOperationId id, const TTxTransaction& tx)
+        : OperationId(id)
+        , Transaction(tx)
+    {
+    }
+
     TMkDir(TOperationId id, TTxState::ETxState state)
         : OperationId(id)
           , State(state)
-    { 
+    {
         SetState(SelectStateFunc(state));
-    } 
+    }
 
     THolder<TProposeResponse> Propose(const TString& owner, TOperationContext& context) override {
         const auto ssId = context.SS->SelfTabletId();
 
         const auto acceptExisted = !Transaction.GetFailOnExist();
-        const TString& parentPathStr = Transaction.GetWorkingDir(); 
-        const TString& name = Transaction.GetMkDir().GetName(); 
+        const TString& parentPathStr = Transaction.GetWorkingDir();
+        const TString& name = Transaction.GetMkDir().GetName();
 
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TMkDir Propose"
-                         << ", path: " << parentPathStr << "/" << name 
+                         << ", path: " << parentPathStr << "/" << name
                          << ", operationId: " << OperationId
                          << ", at schemeshard: " << ssId);
 
@@ -162,15 +162,15 @@ public:
             }
         }
 
-        const TString acl = Transaction.GetModifyACL().GetDiffACL(); 
- 
+        const TString acl = Transaction.GetModifyACL().GetDiffACL();
+
         NSchemeShard::TPath dstPath = parentPath.Child(name);
         {
             NSchemeShard::TPath::TChecker checks = dstPath.Check();
             checks.IsAtLocalSchemeShard();
             if (dstPath.IsResolved()) {
-                checks 
-                    .IsResolved() 
+                checks
+                    .IsResolved()
                     .NotUnderDeleting()
                     .FailOnExist({
                             TPathElement::EPathType::EPathTypeDir,
@@ -179,8 +179,8 @@ public:
                             TPathElement::EPathType::EPathTypeColumnStore
                         }, acceptExisted);
             } else {
-                checks 
-                    .NotEmpty() 
+                checks
+                    .NotEmpty()
                     .NotResolved();
             }
 
@@ -189,8 +189,8 @@ public:
                     .IsValidLeafName()
                     .DepthLimit()
                     .PathsLimit()
-                    .DirChildrenLimit() 
-                    .IsValidACL(acl); 
+                    .DirChildrenLimit()
+                    .IsValidACL(acl);
             }
 
             if (!checks) {
@@ -206,15 +206,15 @@ public:
             }
         }
 
-        TString errStr; 
- 
-        if (!context.SS->CheckApplyIf(Transaction, errStr)) { 
+        TString errStr;
+
+        if (!context.SS->CheckApplyIf(Transaction, errStr)) {
             result->SetError(NKikimrScheme::StatusPreconditionFailed, errStr);
             return result;
         }
 
         TUserAttributes::TPtr userAttrs = new TUserAttributes(1);
-        const auto& userAttrsDetails = Transaction.GetAlterUserAttributes(); 
+        const auto& userAttrsDetails = Transaction.GetAlterUserAttributes();
         if (!userAttrs->ApplyPatch(EUserAttributesOp::MkDir, userAttrsDetails, errStr) ||
             !userAttrs->CheckLimits(errStr))
         {
@@ -267,19 +267,19 @@ public:
         return result;
     }
 
-    void AbortPropose(TOperationContext& context) override { 
-        LOG_INFO_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                  "MkDir AbortPropose" 
-                       << ", opId: " << OperationId 
-                       << ", at schemeshard: " << context.SS->TabletID()); 
-    } 
- 
+    void AbortPropose(TOperationContext& context) override {
+        LOG_INFO_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                  "MkDir AbortPropose"
+                       << ", opId: " << OperationId
+                       << ", at schemeshard: " << context.SS->TabletID());
+    }
+
     void AbortUnsafe(TTxId forceDropTxId, TOperationContext& context) override {
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TMkDir AbortUnsafe"
                          << ", opId: " << OperationId
                          << ", forceDropId: " << forceDropTxId
-                         << ", at schemeshard: " << context.SS->TabletID()); 
+                         << ", at schemeshard: " << context.SS->TabletID());
 
         context.OnComplete.DoneOperation(OperationId);
     }
@@ -290,10 +290,10 @@ public:
 namespace NKikimr {
 namespace NSchemeShard {
 
-ISubOperationBase::TPtr CreateMkDir(TOperationId id, const TTxTransaction& tx) { 
-    return new TMkDir(id, tx); 
-} 
- 
+ISubOperationBase::TPtr CreateMkDir(TOperationId id, const TTxTransaction& tx) {
+    return new TMkDir(id, tx);
+}
+
 ISubOperationBase::TPtr CreateMkDir(TOperationId id, TTxState::ETxState state) {
     Y_VERIFY(state != TTxState::Invalid);
     return new TMkDir(id, state);
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_modify_acl.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_modify_acl.cpp
index 38dab5aaf3..fac70a7704 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_modify_acl.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_modify_acl.cpp
@@ -8,49 +8,49 @@ using namespace NSchemeShard;
 
 class TModifyACL: public ISubOperationBase {
 private:
-    const TOperationId OperationId; 
-    const TTxTransaction Transaction; 
+    const TOperationId OperationId;
+    const TTxTransaction Transaction;
 
 public:
-    TModifyACL(TOperationId id, const TTxTransaction& tx) 
-        : OperationId(id) 
-        , Transaction(tx) 
-    { 
-    } 
- 
+    TModifyACL(TOperationId id, const TTxTransaction& tx)
+        : OperationId(id)
+        , Transaction(tx)
+    {
+    }
+
     TModifyACL(TOperationId id)
         : OperationId(id)
-    { 
-    } 
+    {
+    }
 
     THolder<TProposeResponse> Propose(const TString&, TOperationContext& context) override {
         const TTabletId ssId = context.SS->SelfTabletId();
 
-        const TString& parentPathStr = Transaction.GetWorkingDir(); 
-        const TString& name = Transaction.GetModifyACL().GetName(); 
+        const TString& parentPathStr = Transaction.GetWorkingDir();
+        const TString& name = Transaction.GetModifyACL().GetName();
 
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TModifyACL Propose"
-                         << ", path: " << parentPathStr << "/" << name 
+                         << ", path: " << parentPathStr << "/" << name
                          << ", operationId: " << OperationId
                          << ", at schemeshard: " << ssId);
 
         auto result = MakeHolder<TProposeResponse>(NKikimrScheme::StatusSuccess, ui64(OperationId.GetTxId()), ui64(ssId));
 
-        const TString acl = Transaction.GetModifyACL().GetDiffACL(); 
- 
+        const TString acl = Transaction.GetModifyACL().GetDiffACL();
+
         TPath path = TPath::Resolve(parentPathStr, context.SS).Dive(name);
         {
             TPath::TChecker checks = path.Check();
-            checks 
-                .NotEmpty() 
+            checks
+                .NotEmpty()
                 .NotUnderDomainUpgrade()
                 .IsAtLocalSchemeShard()
                 .IsResolved()
                 .NotDeleted()
                 .NotUnderDeleting()
-                .IsCommonSensePath() 
-                .IsValidACL(acl); 
+                .IsCommonSensePath()
+                .IsValidACL(acl);
 
             if (!checks) {
                 TString explain = TStringBuilder() << "path table fail checks"
@@ -61,9 +61,9 @@ public:
             }
         }
 
-        TString errStr; 
- 
-        if (!context.SS->CheckApplyIf(Transaction, errStr)) { 
+        TString errStr;
+
+        if (!context.SS->CheckApplyIf(Transaction, errStr)) {
             result->SetError(NKikimrScheme::StatusPreconditionFailed, errStr);
             return result;
         }
@@ -107,7 +107,7 @@ public:
             context.SS->PersistPathDirAlterVersion(db, path.Base());
 
             context.OnComplete.PublishToSchemeBoard(OperationId, path.Base()->PathId);
- 
+
             TPath parent = path.Parent(); // we show owner in children listing, so we have to update it
             ++parent.Base()->DirAlterVersion;
             context.SS->PersistPathDirAlterVersion(db, parent.Base());
@@ -115,16 +115,16 @@ public:
             context.OnComplete.PublishToSchemeBoard(OperationId, parent.Base()->PathId);
 
             context.OnComplete.UpdateTenants({path.Base()->PathId});
-        } 
+        }
 
         context.OnComplete.DoneOperation(OperationId);
         return result;
     }
 
-    void AbortPropose(TOperationContext&) override { 
-        Y_FAIL("no AbortPropose for TModifyACL"); 
-    } 
- 
+    void AbortPropose(TOperationContext&) override {
+        Y_FAIL("no AbortPropose for TModifyACL");
+    }
+
     void ProgressState(TOperationContext&) override {
         Y_FAIL("no progress state for modify acl");
     }
@@ -139,10 +139,10 @@ public:
 namespace NKikimr {
 namespace NSchemeShard {
 
-ISubOperationBase::TPtr CreateModifyACL(TOperationId id, const TTxTransaction& tx) { 
-    return new TModifyACL(id, tx); 
-} 
- 
+ISubOperationBase::TPtr CreateModifyACL(TOperationId id, const TTxTransaction& tx) {
+    return new TModifyACL(id, tx);
+}
+
 ISubOperationBase::TPtr CreateModifyACL(TOperationId id, TTxState::ETxState state) {
     Y_VERIFY(state == TTxState::Invalid);
     return new TModifyACL(id);
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_move_table.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_move_table.cpp
index c0551fd31a..fc39ce04ba 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_move_table.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_move_table.cpp
@@ -89,10 +89,10 @@ public:
             NKikimrTxDataShard::TFlatSchemeTransaction tx;
             context.SS->FillSeqNo(tx, seqNo);
             auto move = tx.MutableMoveTable();
-            PathIdFromPathId(srcPath->PathId, move->MutablePathId()); 
+            PathIdFromPathId(srcPath->PathId, move->MutablePathId());
             move->SetTableSchemaVersion(srcTable->AlterVersion+1);
 
-            PathIdFromPathId(dstPath->PathId, move->MutableDstPathId()); 
+            PathIdFromPathId(dstPath->PathId, move->MutableDstPathId());
             move->SetDstPath(TPath::Init(dstPath->PathId, context.SS).PathString());
 
             for (const auto& child: srcPath->GetChildren()) {
@@ -109,8 +109,8 @@ public:
                 Y_VERIFY(dstIndexPath.IsResolved());
 
                 auto remap = move->AddReMapIndexes();
-                PathIdFromPathId(srcIndexPath->PathId, remap->MutablePathId()); 
-                PathIdFromPathId(dstIndexPath->PathId, remap->MutableDstPathId()); 
+                PathIdFromPathId(srcIndexPath->PathId, remap->MutablePathId());
+                PathIdFromPathId(dstIndexPath->PathId, remap->MutableDstPathId());
             }
 
             Y_PROTOBUF_SUPPRESS_NODISCARD tx.SerializeToString(&txBody);
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_part.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_part.cpp
index 8902a01c48..1e76935331 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_part.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_part.cpp
@@ -1,6 +1,6 @@
 #include "schemeshard__operation_part.h"
 #include "schemeshard_impl.h"
-#include "schemeshard_path_describer.h" 
+#include "schemeshard_path_describer.h"
 
 namespace NKikimr {
 namespace NSchemeShard {
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_part.h b/ydb/core/tx/schemeshard/schemeshard__operation_part.h
index 5d4593e071..4a639e6342 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_part.h
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_part.h
@@ -1,7 +1,7 @@
 #pragma once
 
 #include "schemeshard.h"
-#include "schemeshard_private.h" 
+#include "schemeshard_private.h"
 #include "schemeshard_tx_infly.h"
 #include "schemeshard_types.h"
 #include "schemeshard__operation_side_effects.h"
@@ -13,7 +13,7 @@
 #include <ydb/core/persqueue/events/global.h>
 #include <ydb/core/tx/datashard/datashard.h>
 #include <ydb/core/tx/columnshard/columnshard.h>
-#include <ydb/core/tx/replication/controller/public_events.h> 
+#include <ydb/core/tx/replication/controller/public_events.h>
 #include <ydb/core/tx/sequenceshard/public/events.h>
 #include <ydb/core/tx/tx_processing.h>
 
@@ -46,9 +46,9 @@
     action(NSequenceShard::TEvSequenceShard::TEvRestoreSequenceResult,  NSchemeShard::TXTYPE_SEQUENCESHARD_RESTORE_SEQUENCE_RESULT)  \
     action(NSequenceShard::TEvSequenceShard::TEvRedirectSequenceResult, NSchemeShard::TXTYPE_SEQUENCESHARD_REDIRECT_SEQUENCE_RESULT) \
 \
-    action(NReplication::TEvController::TEvCreateReplicationResult, NSchemeShard::TXTYPE_CREATE_REPLICATION_RESULT) \ 
-    action(NReplication::TEvController::TEvDropReplicationResult,   NSchemeShard::TXTYPE_DROP_REPLICATION_RESULT)   \ 
-\ 
+    action(NReplication::TEvController::TEvCreateReplicationResult, NSchemeShard::TXTYPE_CREATE_REPLICATION_RESULT) \
+    action(NReplication::TEvController::TEvDropReplicationResult,   NSchemeShard::TXTYPE_DROP_REPLICATION_RESULT)   \
+\
     action(TEvSubDomain::TEvConfigureStatus,     NSchemeShard::TXTYPE_SUBDOMAIN_CONFIGURE_RESULT)        \
 \
     action(TEvSchemeShard::TEvInitTenantSchemeShardResult,   NSchemeShard::TXTYPE_SUBDOMAIN_CONFIGURE_RESULT)  \
@@ -116,9 +116,9 @@ public:
 
     virtual THolder<TProposeResponse> Propose(const TString& owner, TOperationContext& context) = 0;
 
-    // call it inside multipart operations after failed propose 
-    virtual void AbortPropose(TOperationContext& context) = 0; 
- 
+    // call it inside multipart operations after failed propose
+    virtual void AbortPropose(TOperationContext& context) = 0;
+
     //call it only before execute ForceDrop operaion for path
     virtual void AbortUnsafe(TTxId forceDropTxId, TOperationContext& context) = 0;
 };
@@ -187,35 +187,35 @@ public:
 ISubOperationBase::TPtr CreateReject(TOperationId id, THolder<TProposeResponse> response);
 ISubOperationBase::TPtr CreateReject(TOperationId id, NKikimrScheme::EStatus status, const TString& message);
 
-ISubOperationBase::TPtr CreateMkDir(TOperationId id, const TTxTransaction& tx); 
-ISubOperationBase::TPtr CreateMkDir(TOperationId id, TTxState::ETxState state); 
-
-ISubOperationBase::TPtr CreateRmDir(TOperationId id, const TTxTransaction& tx); 
-ISubOperationBase::TPtr CreateRmDir(TOperationId id, TTxState::ETxState state); 
-
-ISubOperationBase::TPtr CreateModifyACL(TOperationId id, const TTxTransaction& tx); 
-ISubOperationBase::TPtr CreateModifyACL(TOperationId id, TTxState::ETxState state); 
- 
-ISubOperationBase::TPtr CreateAlterUserAttrs(TOperationId id, const TTxTransaction& tx); 
-ISubOperationBase::TPtr CreateAlterUserAttrs(TOperationId id, TTxState::ETxState state); 
- 
-ISubOperationBase::TPtr CreateFroceDropUnsafe(TOperationId id, const TTxTransaction& tx); 
-ISubOperationBase::TPtr CreateFroceDropUnsafe(TOperationId id, TTxState::ETxState state); 
- 
+ISubOperationBase::TPtr CreateMkDir(TOperationId id, const TTxTransaction& tx);
+ISubOperationBase::TPtr CreateMkDir(TOperationId id, TTxState::ETxState state);
+
+ISubOperationBase::TPtr CreateRmDir(TOperationId id, const TTxTransaction& tx);
+ISubOperationBase::TPtr CreateRmDir(TOperationId id, TTxState::ETxState state);
+
+ISubOperationBase::TPtr CreateModifyACL(TOperationId id, const TTxTransaction& tx);
+ISubOperationBase::TPtr CreateModifyACL(TOperationId id, TTxState::ETxState state);
+
+ISubOperationBase::TPtr CreateAlterUserAttrs(TOperationId id, const TTxTransaction& tx);
+ISubOperationBase::TPtr CreateAlterUserAttrs(TOperationId id, TTxState::ETxState state);
+
+ISubOperationBase::TPtr CreateFroceDropUnsafe(TOperationId id, const TTxTransaction& tx);
+ISubOperationBase::TPtr CreateFroceDropUnsafe(TOperationId id, TTxState::ETxState state);
+
 ISubOperationBase::TPtr CreateNewTable(TOperationId id, const TTxTransaction& tx, const THashSet<TString>& localSequences = { });
 ISubOperationBase::TPtr CreateNewTable(TOperationId id, TTxState::ETxState state);
- 
-ISubOperationBase::TPtr CreateCopyTable(TOperationId id, const TTxTransaction& tx); 
+
+ISubOperationBase::TPtr CreateCopyTable(TOperationId id, const TTxTransaction& tx);
 ISubOperationBase::TPtr CreateCopyTable(TOperationId id, TTxState::ETxState state);
-TVector<ISubOperationBase::TPtr> CreateCopyTable(TOperationId nextId, const TTxTransaction& tx, TOperationContext& context); 
- 
-ISubOperationBase::TPtr CreateAlterTable(TOperationId id, const TTxTransaction& tx); 
-ISubOperationBase::TPtr CreateAlterTable(TOperationId id, TTxState::ETxState state); 
- 
-ISubOperationBase::TPtr CreateSplitMerge(TOperationId id, const TTxTransaction& tx); 
-ISubOperationBase::TPtr CreateSplitMerge(TOperationId id, TTxState::ETxState state); 
- 
-ISubOperationBase::TPtr CreateDropTable(TOperationId id, const TTxTransaction& tx); 
+TVector<ISubOperationBase::TPtr> CreateCopyTable(TOperationId nextId, const TTxTransaction& tx, TOperationContext& context);
+
+ISubOperationBase::TPtr CreateAlterTable(TOperationId id, const TTxTransaction& tx);
+ISubOperationBase::TPtr CreateAlterTable(TOperationId id, TTxState::ETxState state);
+
+ISubOperationBase::TPtr CreateSplitMerge(TOperationId id, const TTxTransaction& tx);
+ISubOperationBase::TPtr CreateSplitMerge(TOperationId id, TTxState::ETxState state);
+
+ISubOperationBase::TPtr CreateDropTable(TOperationId id, const TTxTransaction& tx);
 ISubOperationBase::TPtr CreateDropTable(TOperationId id, TTxState::ETxState state);
 
 TVector<ISubOperationBase::TPtr> CreateBuildIndex(TOperationId id, const TTxTransaction& tx, TOperationContext& context);
@@ -226,38 +226,38 @@ TVector<ISubOperationBase::TPtr> CreateDropIndex(TOperationId id, const TTxTrans
 ISubOperationBase::TPtr CreateDropTableIndexAtMainTable(TOperationId id, const TTxTransaction& tx);
 ISubOperationBase::TPtr CreateDropTableIndexAtMainTable(TOperationId id, TTxState::ETxState state);
 
-/// CDC 
-// Create 
-TVector<ISubOperationBase::TPtr> CreateNewCdcStream(TOperationId id, const TTxTransaction& tx, TOperationContext& context); 
-ISubOperationBase::TPtr CreateNewCdcStreamImpl(TOperationId id, const TTxTransaction& tx); 
-ISubOperationBase::TPtr CreateNewCdcStreamImpl(TOperationId id, TTxState::ETxState state); 
-ISubOperationBase::TPtr CreateNewCdcStreamAtTable(TOperationId id, const TTxTransaction& tx); 
-ISubOperationBase::TPtr CreateNewCdcStreamAtTable(TOperationId id, TTxState::ETxState state); 
-// Alter 
-TVector<ISubOperationBase::TPtr> CreateAlterCdcStream(TOperationId id, const TTxTransaction& tx, TOperationContext& context); 
-ISubOperationBase::TPtr CreateAlterCdcStreamImpl(TOperationId id, const TTxTransaction& tx); 
-ISubOperationBase::TPtr CreateAlterCdcStreamImpl(TOperationId id, TTxState::ETxState state); 
-ISubOperationBase::TPtr CreateAlterCdcStreamAtTable(TOperationId id, const TTxTransaction& tx); 
-ISubOperationBase::TPtr CreateAlterCdcStreamAtTable(TOperationId id, TTxState::ETxState state); 
-// Drop 
-TVector<ISubOperationBase::TPtr> CreateDropCdcStream(TOperationId id, const TTxTransaction& tx, TOperationContext& context); 
-ISubOperationBase::TPtr CreateDropCdcStreamImpl(TOperationId id, const TTxTransaction& tx); 
-ISubOperationBase::TPtr CreateDropCdcStreamImpl(TOperationId id, TTxState::ETxState state); 
-ISubOperationBase::TPtr CreateDropCdcStreamAtTable(TOperationId id, const TTxTransaction& tx); 
-ISubOperationBase::TPtr CreateDropCdcStreamAtTable(TOperationId id, TTxState::ETxState state); 
- 
-ISubOperationBase::TPtr CreateBackup(TOperationId id, const TTxTransaction& tx); 
-ISubOperationBase::TPtr CreateBackup(TOperationId id, TTxState::ETxState state); 
- 
-ISubOperationBase::TPtr CreateRestore(TOperationId id, const TTxTransaction& tx); 
-ISubOperationBase::TPtr CreateRestore(TOperationId id, TTxState::ETxState state); 
- 
+/// CDC
+// Create
+TVector<ISubOperationBase::TPtr> CreateNewCdcStream(TOperationId id, const TTxTransaction& tx, TOperationContext& context);
+ISubOperationBase::TPtr CreateNewCdcStreamImpl(TOperationId id, const TTxTransaction& tx);
+ISubOperationBase::TPtr CreateNewCdcStreamImpl(TOperationId id, TTxState::ETxState state);
+ISubOperationBase::TPtr CreateNewCdcStreamAtTable(TOperationId id, const TTxTransaction& tx);
+ISubOperationBase::TPtr CreateNewCdcStreamAtTable(TOperationId id, TTxState::ETxState state);
+// Alter
+TVector<ISubOperationBase::TPtr> CreateAlterCdcStream(TOperationId id, const TTxTransaction& tx, TOperationContext& context);
+ISubOperationBase::TPtr CreateAlterCdcStreamImpl(TOperationId id, const TTxTransaction& tx);
+ISubOperationBase::TPtr CreateAlterCdcStreamImpl(TOperationId id, TTxState::ETxState state);
+ISubOperationBase::TPtr CreateAlterCdcStreamAtTable(TOperationId id, const TTxTransaction& tx);
+ISubOperationBase::TPtr CreateAlterCdcStreamAtTable(TOperationId id, TTxState::ETxState state);
+// Drop
+TVector<ISubOperationBase::TPtr> CreateDropCdcStream(TOperationId id, const TTxTransaction& tx, TOperationContext& context);
+ISubOperationBase::TPtr CreateDropCdcStreamImpl(TOperationId id, const TTxTransaction& tx);
+ISubOperationBase::TPtr CreateDropCdcStreamImpl(TOperationId id, TTxState::ETxState state);
+ISubOperationBase::TPtr CreateDropCdcStreamAtTable(TOperationId id, const TTxTransaction& tx);
+ISubOperationBase::TPtr CreateDropCdcStreamAtTable(TOperationId id, TTxState::ETxState state);
+
+ISubOperationBase::TPtr CreateBackup(TOperationId id, const TTxTransaction& tx);
+ISubOperationBase::TPtr CreateBackup(TOperationId id, TTxState::ETxState state);
+
+ISubOperationBase::TPtr CreateRestore(TOperationId id, const TTxTransaction& tx);
+ISubOperationBase::TPtr CreateRestore(TOperationId id, TTxState::ETxState state);
+
 ISubOperationBase::TPtr CreateTxCancelTx(TEvSchemeShard::TEvCancelTx::TPtr ev);
- 
+
 TVector<ISubOperationBase::TPtr> CreateIndexedTable(TOperationId nextId, const TTxTransaction& tx, TOperationContext& context);
 TVector<ISubOperationBase::TPtr> CreateDropIndexedTable(TOperationId nextId, const TTxTransaction& tx, TOperationContext& context);
 
-ISubOperationBase::TPtr CreateNewTableIndex(TOperationId id, const TTxTransaction& tx); 
+ISubOperationBase::TPtr CreateNewTableIndex(TOperationId id, const TTxTransaction& tx);
 ISubOperationBase::TPtr CreateNewTableIndex(TOperationId id, TTxState::ETxState state);
 ISubOperationBase::TPtr CreateDropTableIndex(TOperationId id, const TTxTransaction& tx);
 ISubOperationBase::TPtr CreateDropTableIndex(TOperationId id, TTxState::ETxState state);
@@ -280,33 +280,33 @@ ISubOperationBase::TPtr CreateAlterOlapTable(TOperationId id, TTxState::ETxState
 ISubOperationBase::TPtr CreateDropOlapTable(TOperationId id, const TTxTransaction& tx);
 ISubOperationBase::TPtr CreateDropOlapTable(TOperationId id, TTxState::ETxState state);
 
-ISubOperationBase::TPtr CreateNewBSV(TOperationId id, const TTxTransaction& tx); 
-ISubOperationBase::TPtr CreateNewBSV(TOperationId id, TTxState::ETxState state); 
+ISubOperationBase::TPtr CreateNewBSV(TOperationId id, const TTxTransaction& tx);
+ISubOperationBase::TPtr CreateNewBSV(TOperationId id, TTxState::ETxState state);
 
-ISubOperationBase::TPtr CreateAlterBSV(TOperationId id, const TTxTransaction& tx); 
-ISubOperationBase::TPtr CreateAlterBSV(TOperationId id, TTxState::ETxState state); 
+ISubOperationBase::TPtr CreateAlterBSV(TOperationId id, const TTxTransaction& tx);
+ISubOperationBase::TPtr CreateAlterBSV(TOperationId id, TTxState::ETxState state);
 
-ISubOperationBase::TPtr CreateAssignBSV(TOperationId id, const TTxTransaction& tx); 
-ISubOperationBase::TPtr CreateAssignBSV(TOperationId id, TTxState::ETxState state); 
+ISubOperationBase::TPtr CreateAssignBSV(TOperationId id, const TTxTransaction& tx);
+ISubOperationBase::TPtr CreateAssignBSV(TOperationId id, TTxState::ETxState state);
 
-ISubOperationBase::TPtr CreateDropBSV(TOperationId id, const TTxTransaction& tx); 
-ISubOperationBase::TPtr CreateDropBSV(TOperationId id, TTxState::ETxState state); 
+ISubOperationBase::TPtr CreateDropBSV(TOperationId id, const TTxTransaction& tx);
+ISubOperationBase::TPtr CreateDropBSV(TOperationId id, TTxState::ETxState state);
 
-ISubOperationBase::TPtr CreateNewPQ(TOperationId id, const TTxTransaction& tx); 
-ISubOperationBase::TPtr CreateNewPQ(TOperationId id, TTxState::ETxState state); 
+ISubOperationBase::TPtr CreateNewPQ(TOperationId id, const TTxTransaction& tx);
+ISubOperationBase::TPtr CreateNewPQ(TOperationId id, TTxState::ETxState state);
 
-ISubOperationBase::TPtr CreateAlterPQ(TOperationId id, const TTxTransaction& tx); 
-ISubOperationBase::TPtr CreateAlterPQ(TOperationId id, TTxState::ETxState state); 
+ISubOperationBase::TPtr CreateAlterPQ(TOperationId id, const TTxTransaction& tx);
+ISubOperationBase::TPtr CreateAlterPQ(TOperationId id, TTxState::ETxState state);
 
-ISubOperationBase::TPtr CreateDropPQ(TOperationId id, const TTxTransaction& tx); 
-ISubOperationBase::TPtr CreateDropPQ(TOperationId id, TTxState::ETxState state); 
+ISubOperationBase::TPtr CreateDropPQ(TOperationId id, const TTxTransaction& tx);
+ISubOperationBase::TPtr CreateDropPQ(TOperationId id, TTxState::ETxState state);
+
+ISubOperationBase::TPtr CreateSubDomain(TOperationId id, const TTxTransaction& tx);
+ISubOperationBase::TPtr CreateSubDomain(TOperationId id, TTxState::ETxState state);
+
+ISubOperationBase::TPtr CreateAlterSubDomain(TOperationId id, const TTxTransaction& tx);
+ISubOperationBase::TPtr CreateAlterSubDomain(TOperationId id, TTxState::ETxState state);
 
-ISubOperationBase::TPtr CreateSubDomain(TOperationId id, const TTxTransaction& tx); 
-ISubOperationBase::TPtr CreateSubDomain(TOperationId id, TTxState::ETxState state); 
- 
-ISubOperationBase::TPtr CreateAlterSubDomain(TOperationId id, const TTxTransaction& tx); 
-ISubOperationBase::TPtr CreateAlterSubDomain(TOperationId id, TTxState::ETxState state); 
- 
 ISubOperationBase::TPtr CreateCompatibleSubdomainDrop(TSchemeShard* ss, TOperationId id, const TTxTransaction& tx);
 ISubOperationBase::TPtr CreateCompatibleSubdomainAlter(TSchemeShard* ss, TOperationId id, const TTxTransaction& tx);
 
@@ -315,42 +315,42 @@ ISubOperationBase::TPtr CreateUpgradeSubDomain(TOperationId id, TTxState::ETxSta
 ISubOperationBase::TPtr CreateUpgradeSubDomainDecision(TOperationId id, const TTxTransaction& tx);
 ISubOperationBase::TPtr CreateUpgradeSubDomainDecision(TOperationId id, TTxState::ETxState state);
 
-ISubOperationBase::TPtr CreateDropSubdomain(TOperationId id, const TTxTransaction& tx); 
-ISubOperationBase::TPtr CreateDropSubdomain(TOperationId id, TTxState::ETxState state); 
- 
-ISubOperationBase::TPtr CreateFroceDropSubDomain(TOperationId id, const TTxTransaction& tx); 
-ISubOperationBase::TPtr CreateFroceDropSubDomain(TOperationId id, TTxState::ETxState state); 
- 
-ISubOperationBase::TPtr CreateExtSubDomain(TOperationId id, const TTxTransaction& tx); 
-ISubOperationBase::TPtr CreateExtSubDomain(TOperationId id, TTxState::ETxState state); 
- 
-ISubOperationBase::TPtr CreateAlterExtSubDomain(TOperationId id, const TTxTransaction& tx); 
-ISubOperationBase::TPtr CreateAlterExtSubDomain(TOperationId id, TTxState::ETxState state); 
- 
+ISubOperationBase::TPtr CreateDropSubdomain(TOperationId id, const TTxTransaction& tx);
+ISubOperationBase::TPtr CreateDropSubdomain(TOperationId id, TTxState::ETxState state);
+
+ISubOperationBase::TPtr CreateFroceDropSubDomain(TOperationId id, const TTxTransaction& tx);
+ISubOperationBase::TPtr CreateFroceDropSubDomain(TOperationId id, TTxState::ETxState state);
+
+ISubOperationBase::TPtr CreateExtSubDomain(TOperationId id, const TTxTransaction& tx);
+ISubOperationBase::TPtr CreateExtSubDomain(TOperationId id, TTxState::ETxState state);
+
+ISubOperationBase::TPtr CreateAlterExtSubDomain(TOperationId id, const TTxTransaction& tx);
+ISubOperationBase::TPtr CreateAlterExtSubDomain(TOperationId id, TTxState::ETxState state);
+
 ISubOperationBase::TPtr CreateFroceDropExtSubDomain(TOperationId id, const TTxTransaction& tx);
 ISubOperationBase::TPtr CreateFroceDropExtSubDomain(TOperationId id, TTxState::ETxState state);
 
-ISubOperationBase::TPtr CreateNewKesus(TOperationId id, const TTxTransaction& tx); 
-ISubOperationBase::TPtr CreateNewKesus(TOperationId id, TTxState::ETxState state); 
- 
-ISubOperationBase::TPtr CreateAlterKesus(TOperationId id, const TTxTransaction& tx); 
-ISubOperationBase::TPtr CreateAlterKesus(TOperationId id, TTxState::ETxState state); 
- 
-ISubOperationBase::TPtr CreateDropKesus(TOperationId id, const TTxTransaction& tx); 
-ISubOperationBase::TPtr CreateDropKesus(TOperationId id, TTxState::ETxState state); 
- 
-ISubOperationBase::TPtr CreateNewRTMR(TOperationId id, const TTxTransaction& tx); 
-ISubOperationBase::TPtr CreateNewRTMR(TOperationId id, TTxState::ETxState state); 
- 
-ISubOperationBase::TPtr CreateNewSolomon(TOperationId id, const TTxTransaction& tx); 
-ISubOperationBase::TPtr CreateNewSolomon(TOperationId id, TTxState::ETxState state); 
- 
+ISubOperationBase::TPtr CreateNewKesus(TOperationId id, const TTxTransaction& tx);
+ISubOperationBase::TPtr CreateNewKesus(TOperationId id, TTxState::ETxState state);
+
+ISubOperationBase::TPtr CreateAlterKesus(TOperationId id, const TTxTransaction& tx);
+ISubOperationBase::TPtr CreateAlterKesus(TOperationId id, TTxState::ETxState state);
+
+ISubOperationBase::TPtr CreateDropKesus(TOperationId id, const TTxTransaction& tx);
+ISubOperationBase::TPtr CreateDropKesus(TOperationId id, TTxState::ETxState state);
+
+ISubOperationBase::TPtr CreateNewRTMR(TOperationId id, const TTxTransaction& tx);
+ISubOperationBase::TPtr CreateNewRTMR(TOperationId id, TTxState::ETxState state);
+
+ISubOperationBase::TPtr CreateNewSolomon(TOperationId id, const TTxTransaction& tx);
+ISubOperationBase::TPtr CreateNewSolomon(TOperationId id, TTxState::ETxState state);
+
 ISubOperationBase::TPtr CreateAlterSolomon(TOperationId id, const TTxTransaction& tx);
 ISubOperationBase::TPtr CreateAlterSolomon(TOperationId id, TTxState::ETxState state);
 
-ISubOperationBase::TPtr CreateDropSolomon(TOperationId id, const TTxTransaction& tx); 
-ISubOperationBase::TPtr CreateDropSolomon(TOperationId id, TTxState::ETxState state); 
- 
+ISubOperationBase::TPtr CreateDropSolomon(TOperationId id, const TTxTransaction& tx);
+ISubOperationBase::TPtr CreateDropSolomon(TOperationId id, TTxState::ETxState state);
+
 ISubOperationBase::TPtr CreateInitializeBuildIndexMainTable(TOperationId id, const TTxTransaction& tx);
 ISubOperationBase::TPtr CreateInitializeBuildIndexMainTable(TOperationId id, TTxState::ETxState state);
 
@@ -394,10 +394,10 @@ ISubOperationBase::TPtr CreateNewSequence(TOperationId id, TTxState::ETxState st
 ISubOperationBase::TPtr CreateDropSequence(TOperationId id, const TTxTransaction& tx);
 ISubOperationBase::TPtr CreateDropSequence(TOperationId id, TTxState::ETxState state);
 
-ISubOperationBase::TPtr CreateNewReplication(TOperationId id, const TTxTransaction& tx); 
-ISubOperationBase::TPtr CreateNewReplication(TOperationId id, TTxState::ETxState state); 
-ISubOperationBase::TPtr CreateDropReplication(TOperationId id, const TTxTransaction& tx); 
-ISubOperationBase::TPtr CreateDropReplication(TOperationId id, TTxState::ETxState state); 
- 
+ISubOperationBase::TPtr CreateNewReplication(TOperationId id, const TTxTransaction& tx);
+ISubOperationBase::TPtr CreateNewReplication(TOperationId id, TTxState::ETxState state);
+ISubOperationBase::TPtr CreateDropReplication(TOperationId id, const TTxTransaction& tx);
+ISubOperationBase::TPtr CreateDropReplication(TOperationId id, TTxState::ETxState state);
+
 }
 }
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_rmdir.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_rmdir.cpp
index 67312a12f9..f2dea8f26d 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_rmdir.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_rmdir.cpp
@@ -7,27 +7,27 @@ using namespace NKikimr;
 using namespace NSchemeShard;
 
 class TRmDir: public ISubOperationBase {
-    const TOperationId OperationId; 
-    const TTxTransaction Transaction; 
+    const TOperationId OperationId;
+    const TTxTransaction Transaction;
 
 public:
-    TRmDir(TOperationId id, const TTxTransaction& tx) 
-        : OperationId(id) 
-        , Transaction(tx) 
-    { 
-    } 
- 
+    TRmDir(TOperationId id, const TTxTransaction& tx)
+        : OperationId(id)
+        , Transaction(tx)
+    {
+    }
+
     TRmDir(TOperationId id)
         : OperationId(id)
-    { 
-    } 
+    {
+    }
 
     THolder<TProposeResponse> Propose(const TString&, TOperationContext& context) override {
         const TTabletId ssId = context.SS->SelfTabletId();
 
-        const auto& drop = Transaction.GetDrop(); 
+        const auto& drop = Transaction.GetDrop();
 
-        const TString& parentPathStr = Transaction.GetWorkingDir(); 
+        const TString& parentPathStr = Transaction.GetWorkingDir();
         const TString& name = drop.GetName();
 
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
@@ -44,8 +44,8 @@ public:
             : TPath::Resolve(parentPathStr, context.SS).Dive(name);
         {
             TPath::TChecker checks = path.Check();
-            checks 
-                .NotEmpty() 
+            checks
+                .NotEmpty()
                 .NotUnderDomainUpgrade()
                 .IsAtLocalSchemeShard()
                 .IsResolved()
@@ -62,17 +62,17 @@ public:
                                                    << ", path: " << path.PathString();
                 auto status = checks.GetStatus(&explain);
                 result->SetError(status, explain);
-                if (path.IsResolved() && path.Base()->IsDirectory() && (path.Base()->PlannedToDrop() || path.Base()->Dropped())) { 
-                    result->SetPathDropTxId(ui64(path.Base()->DropTxId)); 
-                    result->SetPathId(path.Base()->PathId.LocalPathId); 
-                } 
+                if (path.IsResolved() && path.Base()->IsDirectory() && (path.Base()->PlannedToDrop() || path.Base()->Dropped())) {
+                    result->SetPathDropTxId(ui64(path.Base()->DropTxId));
+                    result->SetPathId(path.Base()->PathId.LocalPathId);
+                }
                 return result;
             }
         }
 
-        TString errStr; 
+        TString errStr;
 
-        if (!context.SS->CheckApplyIf(Transaction, errStr)) { 
+        if (!context.SS->CheckApplyIf(Transaction, errStr)) {
             result->SetError(NKikimrScheme::StatusPreconditionFailed, errStr);
             return result;
         }
@@ -104,10 +104,10 @@ public:
         return result;
     }
 
-    void AbortPropose(TOperationContext&) override { 
-        Y_FAIL("no AbortPropose for TRmDir"); 
-    } 
- 
+    void AbortPropose(TOperationContext&) override {
+        Y_FAIL("no AbortPropose for TRmDir");
+    }
+
     void ProgressState(TOperationContext& context) override {
         LOG_INFO_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                    "TRmDir ProgressState"
@@ -186,7 +186,7 @@ public:
                      "RmDir AbortUnsafe"
                          << ", opId: " << OperationId
                          << ", forceDropId: " << forceDropTxId
-                         << ", at schemeshard: " << context.SS->TabletID()); 
+                         << ", at schemeshard: " << context.SS->TabletID());
 
         context.OnComplete.DoneOperation(OperationId);
     }
@@ -197,10 +197,10 @@ public:
 namespace NKikimr {
 namespace NSchemeShard {
 
-ISubOperationBase::TPtr CreateRmDir(TOperationId id, const TTxTransaction& tx) { 
-    return new TRmDir(id, tx); 
-} 
- 
+ISubOperationBase::TPtr CreateRmDir(TOperationId id, const TTxTransaction& tx) {
+    return new TRmDir(id, tx);
+}
+
 ISubOperationBase::TPtr CreateRmDir(TOperationId id, TTxState::ETxState state) {
     Y_VERIFY(state == TTxState::Invalid || state == TTxState::Propose);
     return new TRmDir(id);
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_split_merge.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_split_merge.cpp
index 08292514ea..645d7f37e1 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_split_merge.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_split_merge.cpp
@@ -268,34 +268,34 @@ public:
             }
         }
 
-        auto oldAggrStats = tableInfo->GetStats().Aggregated; 
- 
+        auto oldAggrStats = tableInfo->GetStats().Aggregated;
+
         // Delete the whole old partitioning and persist the whole new partitionig as the indexes have changed
         context.SS->DeleteTablePartitioning(db, tableId, tableInfo);
         context.SS->SetPartitioning(tableId, tableInfo, std::move(newPartitioning));
         context.SS->PersistTablePartitioning(db, tableId, tableInfo);
-        context.SS->PersistTablePartitionStats(db, tableId, tableInfo); 
+        context.SS->PersistTablePartitionStats(db, tableId, tableInfo);
         context.SS->TabletCounters->Simple()[COUNTER_TABLE_SHARD_ACTIVE_COUNT].Sub(allSrcShardIdxs.size());
         context.SS->TabletCounters->Simple()[COUNTER_TABLE_SHARD_INACTIVE_COUNT].Add(allSrcShardIdxs.size());
 
         if (!tableInfo->IsBackup && !tableInfo->IsShardsStatsDetached()) {
-            auto newAggrStats = tableInfo->GetStats().Aggregated; 
-            auto subDomainId = context.SS->ResolveDomainId(tableId); 
-            auto subDomainInfo = context.SS->ResolveDomainInfo(tableId); 
+            auto newAggrStats = tableInfo->GetStats().Aggregated;
+            auto subDomainId = context.SS->ResolveDomainId(tableId);
+            auto subDomainInfo = context.SS->ResolveDomainInfo(tableId);
             subDomainInfo->AggrDiskSpaceUsage(context.SS, newAggrStats, oldAggrStats);
             if (subDomainInfo->CheckDiskSpaceQuotas(context.SS)) {
-                context.SS->PersistSubDomainState(db, subDomainId, *subDomainInfo); 
-                context.OnComplete.PublishToSchemeBoard(OperationId, subDomainId); 
-            } 
+                context.SS->PersistSubDomainState(db, subDomainId, *subDomainInfo);
+                context.OnComplete.PublishToSchemeBoard(OperationId, subDomainId);
+            }
         }
- 
+
         Y_VERIFY(txState->ShardsInProgress.empty(), "All shards should have already completed their steps");
 
         context.SS->ChangeTxState(db, OperationId, TTxState::NotifyPartitioningChanged);
         context.OnComplete.ActivateTx(OperationId);
 
-        context.OnComplete.PublishToSchemeBoard(OperationId, tableId); 
- 
+        context.OnComplete.PublishToSchemeBoard(OperationId, tableId);
+
         return true;
     }
 
@@ -463,8 +463,8 @@ public:
 
 class TSplitMerge: public TSubOperation {
 private:
-    const TOperationId OperationId; 
-    const TTxTransaction Transaction; 
+    const TOperationId OperationId;
+    const TTxTransaction Transaction;
     TTxState::ETxState State = TTxState::Invalid;
 
     TTxState::ETxState NextState() {
@@ -511,11 +511,11 @@ private:
     }
 
 public:
-    TSplitMerge(TOperationId id, const TTxTransaction& tx) 
+    TSplitMerge(TOperationId id, const TTxTransaction& tx)
         : OperationId(id)
-        , Transaction(tx) 
-    { 
-    } 
+        , Transaction(tx)
+    {
+    }
 
     TSplitMerge(TOperationId id, TTxState::ETxState state)
         : OperationId(id)
@@ -709,7 +709,7 @@ public:
     THolder<TProposeResponse> Propose(const TString&, TOperationContext& context) override {
         const TTabletId ssId = context.SS->SelfTabletId();
 
-        const auto& info = Transaction.GetSplitMergeTablePartitions(); 
+        const auto& info = Transaction.GetSplitMergeTablePartitions();
         const ui64 dstCount = info.SplitBoundarySize() + 1;
         const ui64 srcCount = info.SourceTabletIdSize();
 
@@ -742,8 +742,8 @@ public:
             : TPath::Resolve(info.GetTablePath(), context.SS);
         {
             TPath::TChecker checks = path.Check();
-            checks 
-                .NotEmpty() 
+            checks
+                .NotEmpty()
                 .NotUnderDomainUpgrade()
                 .IsAtLocalSchemeShard()
                 .IsResolved()
@@ -978,16 +978,16 @@ public:
         return result;
     }
 
-    void AbortPropose(TOperationContext&) override { 
-        Y_FAIL("no AbortPropose for TSplitMerge"); 
-    } 
- 
+    void AbortPropose(TOperationContext&) override {
+        Y_FAIL("no AbortPropose for TSplitMerge");
+    }
+
     void AbortUnsafe(TTxId forceDropTxId, TOperationContext& context) override {
         LOG_NOTICE_S(context.Ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                      "TSplitMerge AbortUnsafe"
                          << ", opId: " << OperationId
                          << ", forceDropId: " << forceDropTxId
-                         << ", at schemeshard: " << context.SS->TabletID()); 
+                         << ", at schemeshard: " << context.SS->TabletID());
 
         TTxState* txState = context.SS->FindTx(OperationId);
         Y_VERIFY(txState);
@@ -1011,12 +1011,12 @@ public:
 namespace NKikimr {
 namespace NSchemeShard {
 
-ISubOperationBase::TPtr CreateSplitMerge(TOperationId id, const TTxTransaction& tx) { 
-    return new TSplitMerge(id, tx); 
-} 
- 
+ISubOperationBase::TPtr CreateSplitMerge(TOperationId id, const TTxTransaction& tx) {
+    return new TSplitMerge(id, tx);
+}
+
 ISubOperationBase::TPtr CreateSplitMerge(TOperationId id, TTxState::ETxState state) {
-    Y_VERIFY(state != TTxState::Invalid); 
+    Y_VERIFY(state != TTxState::Invalid);
     return new TSplitMerge(id, state);
 }
 
diff --git a/ydb/core/tx/schemeshard/schemeshard__operation_upgrade_subdomain.cpp b/ydb/core/tx/schemeshard/schemeshard__operation_upgrade_subdomain.cpp
index ae19c4d267..ad9c6808fc 100644
--- a/ydb/core/tx/schemeshard/schemeshard__operation_upgrade_subdomain.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__operation_upgrade_subdomain.cpp
@@ -350,7 +350,7 @@ public:
             case NKikimrSchemeOp::EPathType::EPathTypeColumnTable:
             case NKikimrSchemeOp::EPathType::EPathTypeCdcStream:
             case NKikimrSchemeOp::EPathType::EPathTypeSequence:
-            case NKikimrSchemeOp::EPathType::EPathTypeReplication: 
+            case NKikimrSchemeOp::EPathType::EPathTypeReplication:
                 Y_FAIL("UNIMPLEMENTED");
             case NKikimrSchemeOp::EPathType::EPathTypeInvalid:
                 Y_UNREACHABLE();
@@ -415,7 +415,7 @@ public:
             path.Base()->Owner, path.GetEffectiveACL(), path.GetEffectiveACLVersion(),
             processing, storagePools,
             path.Base()->UserAttrs->Attrs, path.Base()->UserAttrs->AlterVersion,
-            schemeLimits, ui64(InvalidTabletId)); 
+            schemeLimits, ui64(InvalidTabletId));
         event->Record.SetInitiateMigration(true);
 
         Y_VERIFY(1 == txState->Shards.size());
diff --git a/ydb/core/tx/schemeshard/schemeshard__publish_to_scheme_board.cpp b/ydb/core/tx/schemeshard/schemeshard__publish_to_scheme_board.cpp
index 7db60e175d..cb9a270d25 100644
--- a/ydb/core/tx/schemeshard/schemeshard__publish_to_scheme_board.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__publish_to_scheme_board.cpp
@@ -1,121 +1,121 @@
-#include "schemeshard_impl.h" 
-#include "schemeshard_path_describer.h" 
- 
-namespace NKikimr { 
+#include "schemeshard_impl.h"
+#include "schemeshard_path_describer.h"
+
+namespace NKikimr {
 namespace NSchemeShard {
- 
-using namespace NTabletFlatExecutor; 
- 
+
+using namespace NTabletFlatExecutor;
+
 struct TSchemeShard::TTxPublishToSchemeBoard: public TSchemeShard::TRwTxBase {
-    THashMap<TTxId, TDeque<TPathId>> Paths; 
+    THashMap<TTxId, TDeque<TPathId>> Paths;
     THashMap<TTxId, TVector<THolder<TEvSchemeShard::TEvDescribeSchemeResultBuilder>>> Descriptions;
- 
-    TTxPublishToSchemeBoard(TSelf *self, THashMap<TTxId, TDeque<TPathId>>&& paths) 
-        : TRwTxBase(self) 
-        , Paths(std::move(paths)) 
-    { 
-    } 
- 
-    TTxType GetTxType() const override { 
-        return TXTYPE_DEFERRED_UPDATE_ON_SCHEME_BOARD; 
-    } 
- 
-    void DoExecute(TTransactionContext&, const TActorContext& ctx) override { 
-        LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                   "TTxPublishToSchemeBoard DoExecute" 
-                       << ", at schemeshard: " << Self->TabletID()); 
- 
-        ui32 size = 0; 
-        while (!Paths.empty() && size++ < Self->PublishChunkSize) { 
-            auto it = Paths.begin(); 
-            const auto txId = it->first; 
-            auto& paths = it->second; 
- 
-            LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                        "TTxPublishToSchemeBoard DescribePath" 
-                            << ", at schemeshard: " << Self->TabletID() 
-                            << ", txId: " << txId 
-                            << ", path id: " << paths.front()); 
- 
-            Descriptions[txId].emplace_back(DescribePath(Self, ctx, paths.front())); 
-            paths.pop_front(); 
- 
-            if (paths.empty()) { 
-                Paths.erase(it); 
-            } 
-        } 
-    } 
- 
-    void DoComplete(const TActorContext& ctx) override { 
-        LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                   "TTxPublishToSchemeBoard DoComplete" 
-                       << ", at schemeshard: " << Self->TabletID()); 
- 
-        for (auto& kv : Descriptions) { 
-            const auto txId = kv.first; 
-            auto& descriptions = kv.second; 
- 
-            for (auto& desc : descriptions) { 
-                LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                            "TTxPublishToSchemeBoard Send" 
-                                << ", to populator: " << Self->SchemeBoardPopulator 
-                                << ", at schemeshard: " << Self->TabletID() 
-                                << ", txId: " << txId 
-                                << ", path id: " << desc->Record.GetPathId()); 
- 
-                ctx.Send(Self->SchemeBoardPopulator, std::move(desc), 0, ui64(txId)); 
-            } 
-        } 
- 
-        if (Paths) { 
-            Self->PublishToSchemeBoard(std::move(Paths), ctx); 
-        } 
-    } 
- 
-}; // TTxPublishToSchemeBoard 
- 
+
+    TTxPublishToSchemeBoard(TSelf *self, THashMap<TTxId, TDeque<TPathId>>&& paths)
+        : TRwTxBase(self)
+        , Paths(std::move(paths))
+    {
+    }
+
+    TTxType GetTxType() const override {
+        return TXTYPE_DEFERRED_UPDATE_ON_SCHEME_BOARD;
+    }
+
+    void DoExecute(TTransactionContext&, const TActorContext& ctx) override {
+        LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                   "TTxPublishToSchemeBoard DoExecute"
+                       << ", at schemeshard: " << Self->TabletID());
+
+        ui32 size = 0;
+        while (!Paths.empty() && size++ < Self->PublishChunkSize) {
+            auto it = Paths.begin();
+            const auto txId = it->first;
+            auto& paths = it->second;
+
+            LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                        "TTxPublishToSchemeBoard DescribePath"
+                            << ", at schemeshard: " << Self->TabletID()
+                            << ", txId: " << txId
+                            << ", path id: " << paths.front());
+
+            Descriptions[txId].emplace_back(DescribePath(Self, ctx, paths.front()));
+            paths.pop_front();
+
+            if (paths.empty()) {
+                Paths.erase(it);
+            }
+        }
+    }
+
+    void DoComplete(const TActorContext& ctx) override {
+        LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                   "TTxPublishToSchemeBoard DoComplete"
+                       << ", at schemeshard: " << Self->TabletID());
+
+        for (auto& kv : Descriptions) {
+            const auto txId = kv.first;
+            auto& descriptions = kv.second;
+
+            for (auto& desc : descriptions) {
+                LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                            "TTxPublishToSchemeBoard Send"
+                                << ", to populator: " << Self->SchemeBoardPopulator
+                                << ", at schemeshard: " << Self->TabletID()
+                                << ", txId: " << txId
+                                << ", path id: " << desc->Record.GetPathId());
+
+                ctx.Send(Self->SchemeBoardPopulator, std::move(desc), 0, ui64(txId));
+            }
+        }
+
+        if (Paths) {
+            Self->PublishToSchemeBoard(std::move(Paths), ctx);
+        }
+    }
+
+}; // TTxPublishToSchemeBoard
+
 struct TSchemeShard::TTxAckPublishToSchemeBoard: public TTransactionBase<TSchemeShard> {
-    TSchemeBoardEvents::TEvUpdateAck::TPtr Ev; 
-    TSideEffects SideEffects; 
- 
-    TTxAckPublishToSchemeBoard(TSelf *self, TSchemeBoardEvents::TEvUpdateAck::TPtr& ev) 
-        : TBase(self) 
-        , Ev(ev) 
-    { 
-    } 
- 
-    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override { 
-        const auto& record = Ev->Get()->Record; 
- 
-        LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                   "TTxAckPublishToSchemeBoard Execute" 
-                       << ", at schemeshard: " << Self->TabletID() 
-                       << ", msg: " << record.ShortDebugString() 
-                       << ", cookie: " << Ev->Cookie); 
- 
+    TSchemeBoardEvents::TEvUpdateAck::TPtr Ev;
+    TSideEffects SideEffects;
+
+    TTxAckPublishToSchemeBoard(TSelf *self, TSchemeBoardEvents::TEvUpdateAck::TPtr& ev)
+        : TBase(self)
+        , Ev(ev)
+    {
+    }
+
+    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override {
+        const auto& record = Ev->Get()->Record;
+
+        LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                   "TTxAckPublishToSchemeBoard Execute"
+                       << ", at schemeshard: " << Self->TabletID()
+                       << ", msg: " << record.ShortDebugString()
+                       << ", cookie: " << Ev->Cookie);
+
         const auto txId = TTxId(Ev->Cookie);
         const auto pathId = TPathId(record.GetPathOwnerId(), record.GetLocalPathId());
-        const ui64 version = record.GetVersion(); 
- 
-        NIceDb::TNiceDb db(txc.DB); 
- 
-        if (Self->Operations.contains(txId)) { 
-            LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                       "Operation in-flight" 
-                           << ", at schemeshard: " << Self->TabletID() 
-                           << ", txId: " << txId); 
- 
-            TOperation::TPtr operation = Self->Operations.at(txId); 
-            if (AckPublish(db, txId, pathId, version, operation->Publications, ctx) 
-                    && operation->IsReadyToNotify(ctx)) { 
-                LOG_NOTICE_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                           "TTxAckPublishToSchemeBoard" 
-                               << ", operation is ready to notificate" 
-                               << ", at schemeshard: " << Self->TabletID() 
-                               << ", txId: " << txId); 
- 
-                operation->DoNotify(Self, SideEffects, ctx); 
-            } 
+        const ui64 version = record.GetVersion();
+
+        NIceDb::TNiceDb db(txc.DB);
+
+        if (Self->Operations.contains(txId)) {
+            LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                       "Operation in-flight"
+                           << ", at schemeshard: " << Self->TabletID()
+                           << ", txId: " << txId);
+
+            TOperation::TPtr operation = Self->Operations.at(txId);
+            if (AckPublish(db, txId, pathId, version, operation->Publications, ctx)
+                    && operation->IsReadyToNotify(ctx)) {
+                LOG_NOTICE_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                           "TTxAckPublishToSchemeBoard"
+                               << ", operation is ready to notificate"
+                               << ", at schemeshard: " << Self->TabletID()
+                               << ", txId: " << txId);
+
+                operation->DoNotify(Self, SideEffects, ctx);
+            }
 
             auto toActivateWaitPublication = operation->ActivatePartsWaitPublication(pathId, version);
             for (auto opId: toActivateWaitPublication) {
@@ -137,99 +137,99 @@ struct TSchemeShard::TTxAckPublishToSchemeBoard: public TTransactionBase<TScheme
 
                 operation->Parts[opId.GetSubTxId()]->HandleReply(personalEv, context);
             }
-        } else if (Self->Publications.contains(txId)) { 
-            LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                       "Publication in-flight" 
+        } else if (Self->Publications.contains(txId)) {
+            LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                       "Publication in-flight"
                            << ", count: " << Self->Publications.at(txId).Paths.size()
-                           << ", at schemeshard: " << Self->TabletID() 
-                           << ", txId: " << txId); 
- 
-            auto& publication = Self->Publications.at(txId); 
-            if (AckPublish(db, txId, pathId, version, publication.Paths, ctx)) { 
-                LOG_NOTICE_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                           "Publication complete, notify & remove" 
-                               << ", at schemeshard: " << Self->TabletID() 
-                               << ", txId: " << txId 
-                               << ", subscribers: " << publication.Subscribers.size()); 
- 
-                Notify(txId, publication.Subscribers, ctx); 
-                Self->Publications.erase(txId); 
-            } 
-        } else { 
-            LOG_WARN_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                       "Unknown operation & publication" 
-                           << ", at schemeshard: " << Self->TabletID() 
-                           << ", txId: " << txId); 
-        } 
- 
-        SideEffects.ApplyOnExecute(Self, txc, ctx); 
-        return true; 
-    } 
- 
-    void Complete(const TActorContext& ctx) override { 
-        LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                   "TTxAckPublishToSchemeBoard Complete" 
-                       << ", at schemeshard: " << Self->TabletID() 
-                       << ", cookie: " << Ev->Cookie); 
- 
-        SideEffects.ApplyOnComplete(Self, ctx); 
-    } 
- 
-private: 
-    bool AckPublish( 
-        NIceDb::TNiceDb& db, 
-        TTxId txId, TPathId pathId, ui64 version, 
-        TSet<std::pair<TPathId, ui64>>& paths, 
-        const TActorContext& ctx 
-    ) { 
-        auto it = paths.lower_bound({pathId, 0}); 
-        while (it != paths.end() && it->first == pathId && it->second <= version) { 
-            LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                       "AckPublish" 
-                           << ", at schemeshard: " << Self->TabletID() 
-                           << ", txId: " << txId 
-                           << ", pathId: " << pathId 
-                           << ", version: " << it->second); 
- 
-            Self->PersistRemovePublishingPath(db, txId, pathId, it->second); 
- 
-            auto eraseIt = it; 
-            ++it; 
-            paths.erase(eraseIt); 
-        } 
- 
-        return paths.empty(); 
-    } 
- 
+                           << ", at schemeshard: " << Self->TabletID()
+                           << ", txId: " << txId);
+
+            auto& publication = Self->Publications.at(txId);
+            if (AckPublish(db, txId, pathId, version, publication.Paths, ctx)) {
+                LOG_NOTICE_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                           "Publication complete, notify & remove"
+                               << ", at schemeshard: " << Self->TabletID()
+                               << ", txId: " << txId
+                               << ", subscribers: " << publication.Subscribers.size());
+
+                Notify(txId, publication.Subscribers, ctx);
+                Self->Publications.erase(txId);
+            }
+        } else {
+            LOG_WARN_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                       "Unknown operation & publication"
+                           << ", at schemeshard: " << Self->TabletID()
+                           << ", txId: " << txId);
+        }
+
+        SideEffects.ApplyOnExecute(Self, txc, ctx);
+        return true;
+    }
+
+    void Complete(const TActorContext& ctx) override {
+        LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                   "TTxAckPublishToSchemeBoard Complete"
+                       << ", at schemeshard: " << Self->TabletID()
+                       << ", cookie: " << Ev->Cookie);
+
+        SideEffects.ApplyOnComplete(Self, ctx);
+    }
+
+private:
+    bool AckPublish(
+        NIceDb::TNiceDb& db,
+        TTxId txId, TPathId pathId, ui64 version,
+        TSet<std::pair<TPathId, ui64>>& paths,
+        const TActorContext& ctx
+    ) {
+        auto it = paths.lower_bound({pathId, 0});
+        while (it != paths.end() && it->first == pathId && it->second <= version) {
+            LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                       "AckPublish"
+                           << ", at schemeshard: " << Self->TabletID()
+                           << ", txId: " << txId
+                           << ", pathId: " << pathId
+                           << ", version: " << it->second);
+
+            Self->PersistRemovePublishingPath(db, txId, pathId, it->second);
+
+            auto eraseIt = it;
+            ++it;
+            paths.erase(eraseIt);
+        }
+
+        return paths.empty();
+    }
+
     void Notify(TTxId txId, const THashSet<TActorId>& subscribers, const TActorContext& ctx) {
-        for (const auto& subscriber : subscribers) { 
-            LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                       "TTxAckPublishToSchemeBoard Notify" 
-                           << " send TEvNotifyTxCompletionResult" 
-                           << ", at schemeshard: " << Self->TabletID() 
-                           << ", to actorId: " << subscriber); 
- 
+        for (const auto& subscriber : subscribers) {
+            LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                       "TTxAckPublishToSchemeBoard Notify"
+                           << " send TEvNotifyTxCompletionResult"
+                           << ", at schemeshard: " << Self->TabletID()
+                           << ", to actorId: " << subscriber);
+
             SideEffects.Send(subscriber, new TEvSchemeShard::TEvNotifyTxCompletionResult(ui64(txId)), ui64(txId));
-        } 
-    } 
- 
-}; // TTxAckPublishToSchemeBoard 
- 
+        }
+    }
+
+}; // TTxAckPublishToSchemeBoard
+
 NTabletFlatExecutor::ITransaction* TSchemeShard::CreateTxPublishToSchemeBoard(THashMap<TTxId, TDeque<TPathId>>&& paths) {
-    return new TTxPublishToSchemeBoard(this, std::move(paths)); 
-} 
- 
+    return new TTxPublishToSchemeBoard(this, std::move(paths));
+}
+
 void TSchemeShard::PublishToSchemeBoard(THashMap<TTxId, TDeque<TPathId>>&& paths, const TActorContext& ctx) {
-    Execute(CreateTxPublishToSchemeBoard(std::move(paths)), ctx); 
-} 
- 
+    Execute(CreateTxPublishToSchemeBoard(std::move(paths)), ctx);
+}
+
 void TSchemeShard::PublishToSchemeBoard(TTxId txId, TDeque<TPathId>&& paths, const TActorContext& ctx) {
-    PublishToSchemeBoard({{txId, std::move(paths)}}, ctx); 
-} 
- 
+    PublishToSchemeBoard({{txId, std::move(paths)}}, ctx);
+}
+
 NTabletFlatExecutor::ITransaction* TSchemeShard::CreateTxAckPublishToSchemeBoard(TSchemeBoardEvents::TEvUpdateAck::TPtr& ev) {
-    return new TTxAckPublishToSchemeBoard(this, ev); 
-} 
- 
+    return new TTxAckPublishToSchemeBoard(this, ev);
+}
+
 } // NSchemeShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard__serverless_storage_billing.cpp b/ydb/core/tx/schemeshard/schemeshard__serverless_storage_billing.cpp
index cbc2c8d91e..fdb4593a73 100644
--- a/ydb/core/tx/schemeshard/schemeshard__serverless_storage_billing.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__serverless_storage_billing.cpp
@@ -31,11 +31,11 @@ struct TSchemeShard::TTxServerlessStorageBilling : public TTransactionBase<TSche
         const TSubDomainInfo::TPtr domainDescr = Self->SubDomains.at(Self->RootPathId());
         const TSubDomainInfo::TDiskSpaceUsage& spaceUsage = domainDescr->GetDiskSpaceUsage();
 
-        if (!Self->IsServerlessDomain(TPath::Init(Self->RootPathId(), Self))) { 
+        if (!Self->IsServerlessDomain(TPath::Init(Self->RootPathId(), Self))) {
             LOG_NOTICE_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                          "TTxServerlessStorageBilling: unable to make a bill, domain is not a serverless db"
                          << ", schemeshardId: " << Self->SelfTabletId()
-                         << ", domainId: " << Self->ParentDomainId); 
+                         << ", domainId: " << Self->ParentDomainId);
             return true;
         }
 
diff --git a/ydb/core/tx/schemeshard/schemeshard__state_changed_reply.cpp b/ydb/core/tx/schemeshard/schemeshard__state_changed_reply.cpp
index 8a43af434b..ffa6e34d50 100644
--- a/ydb/core/tx/schemeshard/schemeshard__state_changed_reply.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__state_changed_reply.cpp
@@ -86,7 +86,7 @@ struct TSchemeShard::TTxShardStateChanged : public TSchemeShard::TRwTxBase {
         // Ack state change notification
         THolder<TEvDataShard::TEvStateChangedResult> event =
             THolder(new TEvDataShard::TEvStateChangedResult(Self->TabletID(), state));
-        SideEffects.Send(Ev->Get()->GetSource(), std::move(event)); 
+        SideEffects.Send(Ev->Get()->GetSource(), std::move(event));
 
         if (state == NDataShard::TShardState::Offline) {
             DeleteShard(tabletId, ctx);
diff --git a/ydb/core/tx/schemeshard/schemeshard__sync_update_tenants.cpp b/ydb/core/tx/schemeshard/schemeshard__sync_update_tenants.cpp
index 3532b6442f..d04be46080 100644
--- a/ydb/core/tx/schemeshard/schemeshard__sync_update_tenants.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__sync_update_tenants.cpp
@@ -90,9 +90,9 @@ struct TSchemeShard::TTxUpdateTenant : public TSchemeShard::TRwTxBase {
 
             Self->PersistParentDomainEffectiveACL(db, record.GetOwner(), record.GetEffectiveACL(), record.GetEffectiveACLVersion());
             for (const TPathId pathId : Self->ListSubThee(Self->RootPathId(), ctx)) {
-                SideEffects.PublishToSchemeBoard(InvalidOperationId, pathId); 
-            } 
- 
+                SideEffects.PublishToSchemeBoard(InvalidOperationId, pathId);
+            }
+
             MakeSync();
         }
 
diff --git a/ydb/core/tx/schemeshard/schemeshard__table_stats.cpp b/ydb/core/tx/schemeshard/schemeshard__table_stats.cpp
index 093303ac12..b2e7db88b7 100644
--- a/ydb/core/tx/schemeshard/schemeshard__table_stats.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard__table_stats.cpp
@@ -57,36 +57,36 @@ auto TSchemeShard::BuildStatsForCollector(TPathId pathId, TShardIdx shardIdx, TT
         sysStats.SetStartTime(*startTime);
     }
 
-    return ev; 
+    return ev;
 }
 
 class TTxStorePartitionStats: public NTabletFlatExecutor::TTransactionBase<TSchemeShard> {
-    TEvDataShard::TEvPeriodicTableStats::TPtr Ev; 
- 
-    THolder<NSysView::TEvSysView::TEvSendPartitionStats> StatsCollectorEv; 
-    THolder<TEvDataShard::TEvGetTableStats> GetStatsEv; 
+    TEvDataShard::TEvPeriodicTableStats::TPtr Ev;
+
+    THolder<NSysView::TEvSysView::TEvSendPartitionStats> StatsCollectorEv;
+    THolder<TEvDataShard::TEvGetTableStats> GetStatsEv;
     THolder<TEvDataShard::TEvCompactBorrowed> CompactEv;
- 
+
     TSideEffects MergeOpSideEffects;
 
-public: 
-    explicit TTxStorePartitionStats(TSelf* self, TEvDataShard::TEvPeriodicTableStats::TPtr& ev) 
-        : TBase(self) 
-        , Ev(ev) 
-    { 
-    } 
- 
-    virtual ~TTxStorePartitionStats() = default; 
- 
-    TTxType GetTxType() const override { 
-        return TXTYPE_STORE_PARTITION_STATS; 
-    } 
- 
-    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override; 
-    void Complete(const TActorContext& ctx) override; 
- 
-}; // TTxStorePartitionStats 
- 
+public:
+    explicit TTxStorePartitionStats(TSelf* self, TEvDataShard::TEvPeriodicTableStats::TPtr& ev)
+        : TBase(self)
+        , Ev(ev)
+    {
+    }
+
+    virtual ~TTxStorePartitionStats() = default;
+
+    TTxType GetTxType() const override {
+        return TXTYPE_STORE_PARTITION_STATS;
+    }
+
+    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override;
+    void Complete(const TActorContext& ctx) override;
+
+}; // TTxStorePartitionStats
+
 THolder<TProposeRequest> MergeRequest(
     TSchemeShard* ss, TTxId& txId, TPathId& pathId, const TVector<TShardIdx>& shardsToMerge)
 {
@@ -114,15 +114,15 @@ THolder<TProposeRequest> MergeRequest(
     return std::move(request);
 }
 
-bool TTxStorePartitionStats::Execute(TTransactionContext& txc, const TActorContext& ctx) { 
-    const auto& rec = Ev->Get()->Record; 
+bool TTxStorePartitionStats::Execute(TTransactionContext& txc, const TActorContext& ctx) {
+    const auto& rec = Ev->Get()->Record;
     auto datashardId = TTabletId(rec.GetDatashardId());
     TPathId tableId = InvalidPathId;
     if (rec.HasTableOwnerId()) {
         tableId = TPathId(TOwnerId(rec.GetTableOwnerId()),
                           TLocalPathId(rec.GetTableLocalId()));
     } else {
-        tableId = Self->MakeLocalId(TLocalPathId(rec.GetTableLocalId())); 
+        tableId = Self->MakeLocalId(TLocalPathId(rec.GetTableLocalId()));
     }
 
     const auto& tableStats = rec.GetTableStats();
@@ -130,17 +130,17 @@ bool TTxStorePartitionStats::Execute(TTransactionContext& txc, const TActorConte
     ui64 dataSize = tableStats.GetDataSize();
     ui64 rowCount = tableStats.GetRowCount();
 
-    if (!Self->Tables.contains(tableId)) { 
-        return true; 
-    } 
+    if (!Self->Tables.contains(tableId)) {
+        return true;
+    }
 
-    TTableInfo::TPtr table = Self->Tables[tableId]; 
+    TTableInfo::TPtr table = Self->Tables[tableId];
 
-    if (!Self->TabletIdToShardIdx.contains(datashardId)) { 
-        return true; 
-    } 
+    if (!Self->TabletIdToShardIdx.contains(datashardId)) {
+        return true;
+    }
 
-    auto shardIdx = Self->TabletIdToShardIdx[datashardId]; 
+    auto shardIdx = Self->TabletIdToShardIdx[datashardId];
 
     TTableInfo::TPartitionStats newStats;
     newStats.SeqNo = TMessageSeqNo(rec.GetGeneration(), rec.GetRound());
@@ -187,7 +187,7 @@ bool TTxStorePartitionStats::Execute(TTransactionContext& txc, const TActorConte
     }
     newStats.ShardState = rec.GetShardState();
 
-    auto oldAggrStats = table->GetStats().Aggregated; 
+    auto oldAggrStats = table->GetStats().Aggregated;
     table->UpdateShardStats(shardIdx, newStats);
 
     if (Self->CompactionQueue) {
@@ -203,22 +203,22 @@ bool TTxStorePartitionStats::Execute(TTransactionContext& txc, const TActorConte
     NIceDb::TNiceDb db(txc.DB);
 
     if (!table->IsBackup && !table->IsShardsStatsDetached()) {
-        auto newAggrStats = table->GetStats().Aggregated; 
-        auto subDomainId = Self->ResolveDomainId(tableId); 
-        auto subDomainInfo = Self->ResolveDomainInfo(tableId); 
+        auto newAggrStats = table->GetStats().Aggregated;
+        auto subDomainId = Self->ResolveDomainId(tableId);
+        auto subDomainInfo = Self->ResolveDomainInfo(tableId);
         subDomainInfo->AggrDiskSpaceUsage(Self, newAggrStats, oldAggrStats);
         if (subDomainInfo->CheckDiskSpaceQuotas(Self)) {
-            Self->PersistSubDomainState(db, subDomainId, *subDomainInfo); 
-            // Publish is done in a separate transaction, so we may call this directly 
-            TDeque<TPathId> toPublish; 
-            toPublish.push_back(subDomainId); 
-            Self->PublishToSchemeBoard(TTxId(), std::move(toPublish), ctx); 
-        } 
+            Self->PersistSubDomainState(db, subDomainId, *subDomainInfo);
+            // Publish is done in a separate transaction, so we may call this directly
+            TDeque<TPathId> toPublish;
+            toPublish.push_back(subDomainId);
+            Self->PublishToSchemeBoard(TTxId(), std::move(toPublish), ctx);
+        }
     }
- 
-    Self->PersistTablePartitionStats(db, tableId, shardIdx, table); 
- 
-    if (AppData(ctx)->FeatureFlags.GetEnableSystemViews()) { 
+
+    Self->PersistTablePartitionStats(db, tableId, shardIdx, table);
+
+    if (AppData(ctx)->FeatureFlags.GetEnableSystemViews()) {
         TMaybe<ui32> nodeId;
         if (rec.HasNodeId()) {
             nodeId = rec.GetNodeId();
@@ -227,34 +227,34 @@ bool TTxStorePartitionStats::Execute(TTransactionContext& txc, const TActorConte
         if (rec.HasStartTime()) {
             startTime = rec.GetStartTime();
         }
-        StatsCollectorEv = Self->BuildStatsForCollector(tableId, shardIdx, datashardId, nodeId, startTime, newStats); 
+        StatsCollectorEv = Self->BuildStatsForCollector(tableId, shardIdx, datashardId, nodeId, startTime, newStats);
+    }
+
+    const auto& shardToPartition = table->GetShard2PartitionIdx();
+    if (table->IsTTLEnabled() && shardToPartition.contains(shardIdx)) {
+        const ui64 partitionIdx = shardToPartition.at(shardIdx);
+        const auto& partitions = table->GetPartitions();
+
+        Y_VERIFY(partitionIdx < partitions.size());
+        auto& shardInfo = partitions.at(partitionIdx);
+        auto& lag = shardInfo.LastCondEraseLag;
+
+        if (lag) {
+            Self->TabletCounters->Percentile()[COUNTER_NUM_SHARDS_BY_TTL_LAG].DecrementFor(lag->Seconds());
+        }
+
+        if (shardInfo.LastCondErase) {
+            const auto now = ctx.Now();
+            if (now >= shardInfo.LastCondErase) {
+                lag = now - shardInfo.LastCondErase;
+            } else {
+                lag = TDuration::Zero();
+            }
+
+            Self->TabletCounters->Percentile()[COUNTER_NUM_SHARDS_BY_TTL_LAG].IncrementFor(lag->Seconds());
+        }
     }
 
-    const auto& shardToPartition = table->GetShard2PartitionIdx(); 
-    if (table->IsTTLEnabled() && shardToPartition.contains(shardIdx)) { 
-        const ui64 partitionIdx = shardToPartition.at(shardIdx); 
-        const auto& partitions = table->GetPartitions(); 
- 
-        Y_VERIFY(partitionIdx < partitions.size()); 
-        auto& shardInfo = partitions.at(partitionIdx); 
-        auto& lag = shardInfo.LastCondEraseLag; 
- 
-        if (lag) { 
-            Self->TabletCounters->Percentile()[COUNTER_NUM_SHARDS_BY_TTL_LAG].DecrementFor(lag->Seconds()); 
-        } 
- 
-        if (shardInfo.LastCondErase) { 
-            const auto now = ctx.Now(); 
-            if (now >= shardInfo.LastCondErase) { 
-                lag = now - shardInfo.LastCondErase; 
-            } else { 
-                lag = TDuration::Zero(); 
-            } 
- 
-            Self->TabletCounters->Percentile()[COUNTER_NUM_SHARDS_BY_TTL_LAG].IncrementFor(lag->Seconds()); 
-        } 
-    } 
- 
     TVector<TShardIdx> shardsToMerge;
     if (table->CheckCanMergePartitions(Self->SplitSettings, shardIdx, shardsToMerge)) {
         TTxId txId = Self->GetCachedTxId(ctx);
@@ -279,34 +279,34 @@ bool TTxStorePartitionStats::Execute(TTransactionContext& txc, const TActorConte
         dbChanges.Apply(Self, txc, ctx);
         MergeOpSideEffects.ApplyOnExecute(Self, txc, ctx);
 
-        return true; 
+        return true;
     }
 
     if (rec.GetShardState() != NKikimrTxDataShard::Ready) {
-        return true; 
+        return true;
     }
 
     ui64 dataSizeResolution = 0; // Datashard will use default resolution
     ui64 rowCountResolution = 0; // Datashard will use default resolution
     bool collectKeySample = false;
-    if (table->CheckFastSplitForPartition(Self->SplitSettings, shardIdx, dataSize, rowCount)) { 
+    if (table->CheckFastSplitForPartition(Self->SplitSettings, shardIdx, dataSize, rowCount)) {
         dataSizeResolution = Max<ui64>(dataSize / 100, 100*1024);
         rowCountResolution = Max<ui64>(rowCount / 100, 1000);
         collectKeySample = true;
     } else if (table->CheckSplitByLoad(Self->SplitSettings, shardIdx, dataSize, rowCount)) {
         collectKeySample = true;
     } else if (dataSize < table->GetShardSizeToSplit()) {
-        return true; 
+        return true;
     }
 
     if (table->GetPartitions().size() >= table->GetMaxPartitionsCount()) {
-        return true; 
+        return true;
     }
 
     {
         constexpr ui64 deltaShards = 2;
-        TPathElement::TPtr path = Self->PathsById.at(tableId); 
-        TSubDomainInfo::TPtr domainInfo = Self->ResolveDomainInfo(tableId); 
+        TPathElement::TPtr path = Self->PathsById.at(tableId);
+        TSubDomainInfo::TPtr domainInfo = Self->ResolveDomainInfo(tableId);
 
         if (domainInfo->GetShardsInside() + deltaShards > domainInfo->GetSchemeLimits().MaxShards) {
             LOG_NOTICE_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
@@ -316,7 +316,7 @@ bool TTxStorePartitionStats::Execute(TTransactionContext& txc, const TActorConte
                              << ", shards limit for domain: " << domainInfo->GetSchemeLimits().MaxShards
                              << ", shards count inside domain: " << domainInfo->GetShardsInside()
                              << ", intention to create new shards: " << deltaShards);
-            return true; 
+            return true;
         }
 
         if (path->GetShardsInside() + deltaShards > domainInfo->GetSchemeLimits().MaxShardsInPath) {
@@ -327,7 +327,7 @@ bool TTxStorePartitionStats::Execute(TTransactionContext& txc, const TActorConte
                              << ", shards limit for path: " << domainInfo->GetSchemeLimits().MaxShardsInPath
                              << ", shards count inside path: " << path->GetShardsInside()
                              << ", intention to create new shards: " << deltaShards);
-            return true; 
+            return true;
         }
     }
 
@@ -338,55 +338,55 @@ bool TTxStorePartitionStats::Execute(TTransactionContext& txc, const TActorConte
         return true;
     }
 
-    // Request histograms from the datashard 
+    // Request histograms from the datashard
     GetStatsEv.Reset(new TEvDataShard::TEvGetTableStats(tableId.LocalPathId, dataSizeResolution, rowCountResolution, collectKeySample));
 
-    return true; 
+    return true;
 }
 
-void TTxStorePartitionStats::Complete(const TActorContext& ctx) { 
+void TTxStorePartitionStats::Complete(const TActorContext& ctx) {
     MergeOpSideEffects.ApplyOnComplete(Self, ctx);
 
-    if (StatsCollectorEv) { 
-        ctx.Send(Self->SysPartitionStatsCollector, StatsCollectorEv.Release()); 
-    } 
- 
+    if (StatsCollectorEv) {
+        ctx.Send(Self->SysPartitionStatsCollector, StatsCollectorEv.Release());
+    }
+
     if (CompactEv) {
         LOG_DEBUG(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                 "Requesting borrowed compaction from datasbard %" PRIu64, Ev->Get()->Record.GetDatashardId());
         ctx.Send(Ev->Sender, CompactEv.Release());
     }
 
-    if (GetStatsEv) { 
-        LOG_DEBUG(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                 "Requesting full stats from datashard %" PRIu64, Ev->Get()->Record.GetDatashardId()); 
-        ctx.Send(Ev->Sender, GetStatsEv.Release()); 
-    } 
-} 
- 
+    if (GetStatsEv) {
+        LOG_DEBUG(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                 "Requesting full stats from datashard %" PRIu64, Ev->Get()->Record.GetDatashardId());
+        ctx.Send(Ev->Sender, GetStatsEv.Release());
+    }
+}
+
 void TSchemeShard::Handle(TEvDataShard::TEvPeriodicTableStats::TPtr& ev, const TActorContext& ctx) {
-    const auto& rec = ev->Get()->Record; 
- 
-    auto datashardId = TTabletId(rec.GetDatashardId()); 
-    const auto& tableStats = rec.GetTableStats(); 
-    const auto& tabletMetrics = rec.GetTabletMetrics(); 
-    ui64 dataSize = tableStats.GetDataSize(); 
-    ui64 rowCount = tableStats.GetRowCount(); 
- 
+    const auto& rec = ev->Get()->Record;
+
+    auto datashardId = TTabletId(rec.GetDatashardId());
+    const auto& tableStats = rec.GetTableStats();
+    const auto& tabletMetrics = rec.GetTabletMetrics();
+    ui64 dataSize = tableStats.GetDataSize();
+    ui64 rowCount = tableStats.GetRowCount();
+
     TPathId pathId = rec.HasTableOwnerId()
             ? TPathId(TOwnerId(rec.GetTableOwnerId()), TLocalPathId(rec.GetTableLocalId()))
             : MakeLocalId(TLocalPathId(rec.GetTableLocalId()));
 
-    LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-               "Got periodic table stats at tablet " << TabletID() 
+    LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+               "Got periodic table stats at tablet " << TabletID()
                                                      << " from datashard " << datashardId
                                                      << " pathId " << pathId
-                                                     << " state '" << DatashardStateName(rec.GetShardState()) << "'" 
-                                                     << " dataSize " << dataSize 
-                                                     << " rowCount " << rowCount 
-                                                     << " cpuUsage " << tabletMetrics.GetCPU()/10000.0); 
- 
-    Execute(new TTxStorePartitionStats(this, ev), ctx); 
-} 
- 
+                                                     << " state '" << DatashardStateName(rec.GetShardState()) << "'"
+                                                     << " dataSize " << dataSize
+                                                     << " rowCount " << rowCount
+                                                     << " cpuUsage " << tabletMetrics.GetCPU()/10000.0);
+
+    Execute(new TTxStorePartitionStats(this, ev), ctx);
+}
+
 }}
diff --git a/ydb/core/tx/schemeshard/schemeshard_billing_helpers.cpp b/ydb/core/tx/schemeshard/schemeshard_billing_helpers.cpp
index 0f426ac6c6..17049a628f 100644
--- a/ydb/core/tx/schemeshard/schemeshard_billing_helpers.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard_billing_helpers.cpp
@@ -1,20 +1,20 @@
-#include "schemeshard_billing_helpers.h" 
- 
-#include <library/cpp/json/json_writer.h> 
- 
-#include <util/generic/size_literals.h> 
-#include <util/string/cast.h> 
- 
-namespace NKikimr { 
+#include "schemeshard_billing_helpers.h"
+
+#include <library/cpp/json/json_writer.h>
+
+#include <util/generic/size_literals.h>
+#include <util/string/cast.h>
+
+namespace NKikimr {
 namespace NSchemeShard {
- 
-ui64 TRUCalculator::ReadTable(ui64 bytes) { 
-    return 128 * ((bytes + 1_MB - 1) / 1_MB); 
-} 
- 
-ui64 TRUCalculator::BulkUpsert(ui64 bytes, ui64 rows) { 
-    return (Max(rows, (bytes + 1_KB - 1) / 1_KB) + 1) / 2; 
-} 
- 
+
+ui64 TRUCalculator::ReadTable(ui64 bytes) {
+    return 128 * ((bytes + 1_MB - 1) / 1_MB);
+}
+
+ui64 TRUCalculator::BulkUpsert(ui64 bytes, ui64 rows) {
+    return (Max(rows, (bytes + 1_KB - 1) / 1_KB) + 1) / 2;
+}
+
 } // NSchemeShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard_billing_helpers.h b/ydb/core/tx/schemeshard/schemeshard_billing_helpers.h
index 42fbaf3be4..5892f1e2b7 100644
--- a/ydb/core/tx/schemeshard/schemeshard_billing_helpers.h
+++ b/ydb/core/tx/schemeshard/schemeshard_billing_helpers.h
@@ -1,16 +1,16 @@
-#pragma once 
- 
+#pragma once
+
 #include <ydb/core/metering/bill_record.h>
- 
-namespace NKikimr { 
+
+namespace NKikimr {
 namespace NSchemeShard {
- 
-struct TRUCalculator { 
-    // https://a.yandex-team.ru/arc/trunk/arcadia/kikimr/docs/ru/pricing/serverless.md 
-    static ui64 ReadTable(ui64 bytes); 
-    static ui64 BulkUpsert(ui64 bytes, ui64 rows); 
- 
-}; // TRUCalculator 
- 
+
+struct TRUCalculator {
+    // https://a.yandex-team.ru/arc/trunk/arcadia/kikimr/docs/ru/pricing/serverless.md
+    static ui64 ReadTable(ui64 bytes);
+    static ui64 BulkUpsert(ui64 bytes, ui64 rows);
+
+}; // TRUCalculator
+
 } // NSchemeShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard_build_index.cpp b/ydb/core/tx/schemeshard/schemeshard_build_index.cpp
index 6ea21ab62f..6d8cdc38dc 100644
--- a/ydb/core/tx/schemeshard/schemeshard_build_index.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard_build_index.cpp
@@ -187,46 +187,46 @@ void TSchemeShard::PersistBuildIndexForget(NIceDb::TNiceDb& db, const TIndexBuil
 }
 
 void TSchemeShard::Resume(const TDeque<TIndexBuildId>& indexIds, const TActorContext& ctx) {
-    for (const auto& id : indexIds) { 
-        if (IndexBuilds.contains(id)) { 
-            Execute(CreateTxProgress(id), ctx); 
-        } 
-    } 
+    for (const auto& id : indexIds) {
+        if (IndexBuilds.contains(id)) {
+            Execute(CreateTxProgress(id), ctx);
+        }
+    }
 }
- 
+
 void TSchemeShard::SetupRouting(const TDeque<TIndexBuildId>& indexIds, const TActorContext &) {
-    for (const auto& id : indexIds) { 
-        if (!IndexBuilds.contains(id)) { 
-            continue; 
-        } 
- 
-        auto buildInfo = IndexBuilds.at(id); 
- 
-        if (buildInfo->LockTxId) { 
-            Y_VERIFY(!TxIdToIndexBuilds.contains(buildInfo->LockTxId) 
-                     || TxIdToIndexBuilds.at(buildInfo->LockTxId) == buildInfo->Id); 
-            TxIdToIndexBuilds[buildInfo->LockTxId] = buildInfo->Id; 
-        } 
- 
-        if (buildInfo->InitiateTxId) { 
-            Y_VERIFY(!TxIdToIndexBuilds.contains(buildInfo->InitiateTxId) 
-                     || TxIdToIndexBuilds.at(buildInfo->InitiateTxId) == buildInfo->Id); 
-            TxIdToIndexBuilds[buildInfo->InitiateTxId] = buildInfo->Id; 
-        } 
- 
-        if (buildInfo->ApplyTxId) { 
-            Y_VERIFY(!TxIdToIndexBuilds.contains(buildInfo->ApplyTxId) 
-                     || TxIdToIndexBuilds.at(buildInfo->ApplyTxId) == buildInfo->Id); 
-            TxIdToIndexBuilds[buildInfo->ApplyTxId] = buildInfo->Id; 
-        } 
- 
-        if (buildInfo->UnlockTxId) { 
-            Y_VERIFY(!TxIdToIndexBuilds.contains(buildInfo->UnlockTxId) 
-                     || TxIdToIndexBuilds.at(buildInfo->UnlockTxId) == buildInfo->Id); 
-            TxIdToIndexBuilds[buildInfo->UnlockTxId] = buildInfo->Id; 
-        } 
-    } 
-}
- 
-} 
-} 
+    for (const auto& id : indexIds) {
+        if (!IndexBuilds.contains(id)) {
+            continue;
+        }
+
+        auto buildInfo = IndexBuilds.at(id);
+
+        if (buildInfo->LockTxId) {
+            Y_VERIFY(!TxIdToIndexBuilds.contains(buildInfo->LockTxId)
+                     || TxIdToIndexBuilds.at(buildInfo->LockTxId) == buildInfo->Id);
+            TxIdToIndexBuilds[buildInfo->LockTxId] = buildInfo->Id;
+        }
+
+        if (buildInfo->InitiateTxId) {
+            Y_VERIFY(!TxIdToIndexBuilds.contains(buildInfo->InitiateTxId)
+                     || TxIdToIndexBuilds.at(buildInfo->InitiateTxId) == buildInfo->Id);
+            TxIdToIndexBuilds[buildInfo->InitiateTxId] = buildInfo->Id;
+        }
+
+        if (buildInfo->ApplyTxId) {
+            Y_VERIFY(!TxIdToIndexBuilds.contains(buildInfo->ApplyTxId)
+                     || TxIdToIndexBuilds.at(buildInfo->ApplyTxId) == buildInfo->Id);
+            TxIdToIndexBuilds[buildInfo->ApplyTxId] = buildInfo->Id;
+        }
+
+        if (buildInfo->UnlockTxId) {
+            Y_VERIFY(!TxIdToIndexBuilds.contains(buildInfo->UnlockTxId)
+                     || TxIdToIndexBuilds.at(buildInfo->UnlockTxId) == buildInfo->Id);
+            TxIdToIndexBuilds[buildInfo->UnlockTxId] = buildInfo->Id;
+        }
+    }
+}
+
+}
+}
diff --git a/ydb/core/tx/schemeshard/schemeshard_build_index__create.cpp b/ydb/core/tx/schemeshard/schemeshard_build_index__create.cpp
index 8a0bf65e2d..8a94bce298 100644
--- a/ydb/core/tx/schemeshard/schemeshard_build_index__create.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard_build_index__create.cpp
@@ -39,32 +39,32 @@ public:
 
         auto response = MakeHolder<TEvIndexBuilder::TEvCreateResponse>(request.GetTxId());
 
-        switch (request.GetSettings().index().type_case()) { 
-        case Ydb::Table::TableIndex::kGlobalIndex: 
-            break; 
-        case Ydb::Table::TableIndex::kGlobalAsyncIndex: 
-            if (!Self->EnableAsyncIndexes) { 
+        switch (request.GetSettings().index().type_case()) {
+        case Ydb::Table::TableIndex::kGlobalIndex:
+            break;
+        case Ydb::Table::TableIndex::kGlobalAsyncIndex:
+            if (!Self->EnableAsyncIndexes) {
                 return Reply(
                     std::move(response),
                     Ydb::StatusIds::UNSUPPORTED,
-                    TStringBuilder() << "Async indexes are not supported yet" 
+                    TStringBuilder() << "Async indexes are not supported yet"
                     );
             }
-            break; 
-        default: 
-            break; 
+            break;
+        default:
+            break;
         }
 
         const auto& dataColumns = request.GetSettings().index().data_columns();
 
         if (!dataColumns.empty() && !Self->AllowDataColumnForIndexTable) {
-            return Reply( 
-                std::move(response), 
-                Ydb::StatusIds::UNSUPPORTED, 
-                TStringBuilder() << "Creating covered index is unsupported yet" 
-                ); 
-        } 
- 
+            return Reply(
+                std::move(response),
+                Ydb::StatusIds::UNSUPPORTED,
+                TStringBuilder() << "Creating covered index is unsupported yet"
+                );
+        }
+
         const auto id = TIndexBuildId(request.GetTxId());
         if (Self->IndexBuilds.contains(id)) {
             return Reply(
@@ -192,9 +192,9 @@ private:
         case Ydb::Table::TableIndex::TypeCase::kGlobalIndex:
             buildInfo->IndexType = NKikimrSchemeOp::EIndexType::EIndexTypeGlobal;
             break;
-        case Ydb::Table::TableIndex::TypeCase::kGlobalAsyncIndex: 
+        case Ydb::Table::TableIndex::TypeCase::kGlobalAsyncIndex:
             buildInfo->IndexType = NKikimrSchemeOp::EIndexType::EIndexTypeGlobalAsync;
-            break; 
+            break;
         case Ydb::Table::TableIndex::TypeCase::TYPE_NOT_SET:
             explain = "invalid or unset index type";
             return false;
@@ -237,7 +237,7 @@ private:
             AddIssue(record.MutableIssues(), errorMessage);
         }
 
-        Send(Request->Sender, std::move(responseEv), 0, Request->Cookie); 
+        Send(Request->Sender, std::move(responseEv), 0, Request->Cookie);
 
         return true;
     }
diff --git a/ydb/core/tx/schemeshard/schemeshard_build_index__progress.cpp b/ydb/core/tx/schemeshard/schemeshard_build_index__progress.cpp
index e8661ca0c3..a5fbbae703 100644
--- a/ydb/core/tx/schemeshard/schemeshard_build_index__progress.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard_build_index__progress.cpp
@@ -172,7 +172,7 @@ public:
 
         case TIndexBuildInfo::EState::Locking:
             if (buildInfo->LockTxId == InvalidTxId) {
-                Send(Self->TxAllocatorClient, MakeHolder<TEvTxAllocatorClient::TEvAllocate>(), 0, ui64(BuildId)); 
+                Send(Self->TxAllocatorClient, MakeHolder<TEvTxAllocatorClient::TEvAllocate>(), 0, ui64(BuildId));
             } else if (buildInfo->LockTxStatus == NKikimrScheme::StatusSuccess) {
                 Send(Self->SelfId(), LockPropose(Self, buildInfo), 0, ui64(BuildId));
             } else if (!buildInfo->LockTxDone) {
@@ -189,7 +189,7 @@ public:
             break;
         case TIndexBuildInfo::EState::Initiating:
             if (buildInfo->InitiateTxId == InvalidTxId) {
-                Send(Self->TxAllocatorClient, MakeHolder<TEvTxAllocatorClient::TEvAllocate>(), 0, ui64(BuildId)); 
+                Send(Self->TxAllocatorClient, MakeHolder<TEvTxAllocatorClient::TEvAllocate>(), 0, ui64(BuildId));
             } else if (buildInfo->InitiateTxStatus == NKikimrScheme::StatusSuccess) {
                 Send(Self->SelfId(), InitiatePropose(Self, buildInfo), 0, ui64(BuildId));
             } else if (!buildInfo->InitiateTxDone) {
@@ -331,7 +331,7 @@ public:
             break;
         case TIndexBuildInfo::EState::Applying:
             if (buildInfo->ApplyTxId == InvalidTxId) {
-                Send(Self->TxAllocatorClient, MakeHolder<TEvTxAllocatorClient::TEvAllocate>(), 0, ui64(BuildId)); 
+                Send(Self->TxAllocatorClient, MakeHolder<TEvTxAllocatorClient::TEvAllocate>(), 0, ui64(BuildId));
             } else if (buildInfo->ApplyTxStatus == NKikimrScheme::StatusSuccess) {
                 Send(Self->SelfId(), ApplyPropose(Self, buildInfo), 0, ui64(BuildId));
             } else if (!buildInfo->ApplyTxDone) {
@@ -343,7 +343,7 @@ public:
             break;
         case TIndexBuildInfo::EState::Unlocking:
             if (buildInfo->UnlockTxId == InvalidTxId) {
-                Send(Self->TxAllocatorClient, MakeHolder<TEvTxAllocatorClient::TEvAllocate>(), 0, ui64(BuildId)); 
+                Send(Self->TxAllocatorClient, MakeHolder<TEvTxAllocatorClient::TEvAllocate>(), 0, ui64(BuildId));
             } else if (buildInfo->UnlockTxStatus == NKikimrScheme::StatusSuccess) {
                 Send(Self->SelfId(), UnlockPropose(Self, buildInfo), 0, ui64(BuildId));
             } else if (!buildInfo->UnlockTxDone) {
@@ -360,7 +360,7 @@ public:
 
         case TIndexBuildInfo::EState::Cancellation_Applying:
             if (buildInfo->ApplyTxId == InvalidTxId) {
-                Send(Self->TxAllocatorClient, MakeHolder<TEvTxAllocatorClient::TEvAllocate>(), 0, ui64(BuildId)); 
+                Send(Self->TxAllocatorClient, MakeHolder<TEvTxAllocatorClient::TEvAllocate>(), 0, ui64(BuildId));
             } else if (buildInfo->ApplyTxStatus == NKikimrScheme::StatusSuccess) {
                 Send(Self->SelfId(), CancelPropose(Self, buildInfo), 0, ui64(BuildId));
             } else if (!buildInfo->ApplyTxDone) {
@@ -372,7 +372,7 @@ public:
             break;
         case TIndexBuildInfo::EState::Cancellation_Unlocking:
             if (buildInfo->UnlockTxId == InvalidTxId) {
-                Send(Self->TxAllocatorClient, MakeHolder<TEvTxAllocatorClient::TEvAllocate>(), 0, ui64(BuildId)); 
+                Send(Self->TxAllocatorClient, MakeHolder<TEvTxAllocatorClient::TEvAllocate>(), 0, ui64(BuildId));
             } else if (buildInfo->UnlockTxStatus == NKikimrScheme::StatusSuccess) {
                 Send(Self->SelfId(), UnlockPropose(Self, buildInfo), 0, ui64(BuildId));
             } else if (!buildInfo->UnlockTxDone) {
@@ -389,7 +389,7 @@ public:
 
         case TIndexBuildInfo::EState::Rejection_Applying:
             if (buildInfo->ApplyTxId == InvalidTxId) {
-                Send(Self->TxAllocatorClient, MakeHolder<TEvTxAllocatorClient::TEvAllocate>(), 0, ui64(BuildId)); 
+                Send(Self->TxAllocatorClient, MakeHolder<TEvTxAllocatorClient::TEvAllocate>(), 0, ui64(BuildId));
             } else if (buildInfo->ApplyTxStatus == NKikimrScheme::StatusSuccess) {
                 Send(Self->SelfId(), CancelPropose(Self, buildInfo), 0, ui64(BuildId));
             } else if (!buildInfo->ApplyTxDone) {
@@ -401,7 +401,7 @@ public:
             break;
         case TIndexBuildInfo::EState::Rejection_Unlocking:
             if (buildInfo->UnlockTxId == InvalidTxId) {
-                Send(Self->TxAllocatorClient, MakeHolder<TEvTxAllocatorClient::TEvAllocate>(), 0, ui64(BuildId)); 
+                Send(Self->TxAllocatorClient, MakeHolder<TEvTxAllocatorClient::TEvAllocate>(), 0, ui64(BuildId));
             } else if (buildInfo->UnlockTxStatus == NKikimrScheme::StatusSuccess) {
                 Send(Self->SelfId(), UnlockPropose(Self, buildInfo), 0, ui64(BuildId));
             } else if (!buildInfo->UnlockTxDone) {
@@ -925,7 +925,7 @@ public:
               << ", replyTo: " << buildInfo->CreateSender.ToString());
         LOG_D("Message:\n" << responseEv->Record.ShortDebugString());
 
-        Send(buildInfo->CreateSender, std::move(responseEv), 0, buildInfo->SenderCookie); 
+        Send(buildInfo->CreateSender, std::move(responseEv), 0, buildInfo->SenderCookie);
     }
 
     bool OnModifyResult(TTransactionContext& txc, const TActorContext&) {
diff --git a/ydb/core/tx/schemeshard/schemeshard_build_index_tx_base.h b/ydb/core/tx/schemeshard/schemeshard_build_index_tx_base.h
index 69db2c3519..f2e4d9e56b 100644
--- a/ydb/core/tx/schemeshard/schemeshard_build_index_tx_base.h
+++ b/ydb/core/tx/schemeshard/schemeshard_build_index_tx_base.h
@@ -2,7 +2,7 @@
 
 #include "schemeshard_impl.h"
 #include "schemeshard_identificators.h"
-#include "schemeshard_billing_helpers.h" 
+#include "schemeshard_billing_helpers.h"
 #include "schemeshard_build_index_helpers.h"
 
 #include "schemeshard__operation_part.h" // TSideEffects, make separate file
@@ -62,8 +62,8 @@ private:
     }
 
     ui64 RequestUnits(const TBillingStats& stats) {
-        return TRUCalculator::ReadTable(stats.GetBytes()) 
-             + TRUCalculator::BulkUpsert(stats.GetBytes(), stats.GetRows()); 
+        return TRUCalculator::ReadTable(stats.GetBytes())
+             + TRUCalculator::BulkUpsert(stats.GetBytes(), stats.GetRows());
     }
 
     void RoundPeriod(TInstant& start, TInstant& end) {
@@ -134,14 +134,14 @@ private:
                 continue;
             }
 
-            if (!Self->IsServerlessDomain(domain)) { 
+            if (!Self->IsServerlessDomain(domain)) {
                 LOG_N("ApplyBill: unable to make a bill, domain is not a serverless db"
                       << ", build index operation: " << buildId
                       << ", domain: " << domain.PathString()
                       << ", domainId: " << buildInfo->DomainPathId
-                      << ", IsDomainSchemeShard: " << Self->IsDomainSchemeShard 
-                      << ", ParentDomainId: " << Self->ParentDomainId 
-                      << ", ResourcesDomainId: " << domain.DomainInfo()->GetResourcesDomainId() 
+                      << ", IsDomainSchemeShard: " << Self->IsDomainSchemeShard
+                      << ", ParentDomainId: " << Self->ParentDomainId
+                      << ", ResourcesDomainId: " << domain.DomainInfo()->GetResourcesDomainId()
                       << ", not billed usage: " << toBill);
                 continue;
             }
@@ -159,14 +159,14 @@ private:
                 << buildInfo->Billed.GetRows() << "-" << buildInfo->Billed.GetBytes() << "-"
                 << buildInfo->Processed.GetRows() << "-" << buildInfo->Processed.GetBytes();
 
-            const TString billRecord = TBillRecord() 
-                .Id(id) 
-                .CloudId(cloud_id) 
-                .FolderId(folder_id) 
-                .ResourceId(database_id) 
-                .SourceWt(ctx.Now()) 
-                .Usage(TBillRecord::RequestUnits(requestUnits, startPeriod, endPeriod)) 
-                .ToString(); 
+            const TString billRecord = TBillRecord()
+                .Id(id)
+                .CloudId(cloud_id)
+                .FolderId(folder_id)
+                .ResourceId(database_id)
+                .SourceWt(ctx.Now())
+                .Usage(TBillRecord::RequestUnits(requestUnits, startPeriod, endPeriod))
+                .ToString();
 
             LOG_D("ApplyBill: made a bill"
                   << ", buildInfo: " << *buildInfo
@@ -179,7 +179,7 @@ private:
     }
 
 protected:
-    void Send(TActorId dst, THolder<IEventBase> message, ui32 flags = 0, ui64 cookie = 0) { 
+    void Send(TActorId dst, THolder<IEventBase> message, ui32 flags = 0, ui64 cookie = 0) {
         SideEffects.Send(dst, message.Release(), cookie, flags);
     }
 
@@ -282,7 +282,7 @@ protected:
             break;
         case NKikimrSchemeOp::EIndexType::EIndexTypeGlobalAsync:
             *index.mutable_global_async_index() = Ydb::Table::GlobalAsyncIndex();
-            break; 
+            break;
         case NKikimrSchemeOp::EIndexType::EIndexTypeInvalid:
             Y_FAIL("Unreachable");
         };
diff --git a/ydb/core/tx/schemeshard/schemeshard_export.cpp b/ydb/core/tx/schemeshard/schemeshard_export.cpp
index 64d2fc09a7..00eef5a0db 100644
--- a/ydb/core/tx/schemeshard/schemeshard_export.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard_export.cpp
@@ -1,223 +1,223 @@
-#include "schemeshard_export.h" 
-#include "schemeshard_export_flow_proposals.h" 
-#include "schemeshard_impl.h" 
- 
-#include <util/generic/xrange.h> 
- 
-namespace NKikimr { 
+#include "schemeshard_export.h"
+#include "schemeshard_export_flow_proposals.h"
+#include "schemeshard_impl.h"
+
+#include <util/generic/xrange.h>
+
+namespace NKikimr {
 namespace NSchemeShard {
- 
-namespace { 
- 
-    void AddIssue(NKikimrExport::TExport& exprt, const TString& errorMessage) { 
-        auto& issue = *exprt.AddIssues(); 
-        issue.set_severity(NYql::TSeverityIds::S_ERROR); 
-        issue.set_message(errorMessage); 
-    } 
- 
-    void FillIssues(NKikimrExport::TExport& exprt, const TExportInfo::TPtr exportInfo) { 
-        if (exportInfo->Issue) { 
-            AddIssue(exprt, exportInfo->Issue); 
-        } 
- 
-        for (const auto& item : exportInfo->Items) { 
-            if (item.Issue) { 
-                AddIssue(exprt, item.Issue); 
-            } 
-        } 
-    } 
- 
-    NProtoBuf::Timestamp SecondsToProtoTimeStamp(ui64 sec) { 
-        NProtoBuf::Timestamp timestamp; 
-        timestamp.set_seconds((i64)(sec)); 
-        timestamp.set_nanos(0); 
-        return timestamp; 
-    } 
- 
+
+namespace {
+
+    void AddIssue(NKikimrExport::TExport& exprt, const TString& errorMessage) {
+        auto& issue = *exprt.AddIssues();
+        issue.set_severity(NYql::TSeverityIds::S_ERROR);
+        issue.set_message(errorMessage);
+    }
+
+    void FillIssues(NKikimrExport::TExport& exprt, const TExportInfo::TPtr exportInfo) {
+        if (exportInfo->Issue) {
+            AddIssue(exprt, exportInfo->Issue);
+        }
+
+        for (const auto& item : exportInfo->Items) {
+            if (item.Issue) {
+                AddIssue(exprt, item.Issue);
+            }
+        }
+    }
+
+    NProtoBuf::Timestamp SecondsToProtoTimeStamp(ui64 sec) {
+        NProtoBuf::Timestamp timestamp;
+        timestamp.set_seconds((i64)(sec));
+        timestamp.set_nanos(0);
+        return timestamp;
+    }
+
     void FillItemProgress(TSchemeShard* ss, const TExportInfo::TPtr exportInfo, ui32 itemIdx,
-            Ydb::Export::ExportItemProgress& itemProgress) { 
- 
-        Y_VERIFY(itemIdx < exportInfo->Items.size()); 
- 
-        const auto& item = exportInfo->Items.at(itemIdx); 
-        if (item.WaitTxId == InvalidTxId) { 
-            return; 
-        } 
- 
-        const TOperationId opId(item.WaitTxId, FirstSubTxId); 
-        const TPath path = TPath::Resolve(ExportItemPathName(ss, exportInfo, itemIdx), ss); 
- 
-        if (ss->TxInFlight.contains(opId)) { 
-            const auto& txState = ss->TxInFlight.at(opId); 
-            if (txState.TxType != TTxState::TxBackup) { 
-                return; 
-            } 
- 
-            itemProgress.set_parts_total(txState.Shards.size()); 
-            itemProgress.set_parts_completed(txState.Shards.size() - txState.ShardsInProgress.size()); 
-            *itemProgress.mutable_start_time() = SecondsToProtoTimeStamp(txState.StartTime.Seconds()); 
-        } else if (path.IsResolved()) { 
-            if (!ss->Tables.contains(path.Base()->PathId)) { 
-                return; 
-            } 
- 
-            auto table = ss->Tables.at(path.Base()->PathId); 
-            if (!table->BackupHistory.contains(item.WaitTxId)) { 
-                return; 
-            } 
- 
-            const auto& backupResult = table->BackupHistory.at(item.WaitTxId); 
-            itemProgress.set_parts_total(backupResult.TotalShardCount); 
-            itemProgress.set_parts_completed(backupResult.TotalShardCount); 
-            *itemProgress.mutable_start_time() = SecondsToProtoTimeStamp(backupResult.StartDateTime); 
-            *itemProgress.mutable_end_time() = SecondsToProtoTimeStamp(backupResult.CompletionDateTime); 
-        } 
-    } 
- 
-} // anonymous 
- 
+            Ydb::Export::ExportItemProgress& itemProgress) {
+
+        Y_VERIFY(itemIdx < exportInfo->Items.size());
+
+        const auto& item = exportInfo->Items.at(itemIdx);
+        if (item.WaitTxId == InvalidTxId) {
+            return;
+        }
+
+        const TOperationId opId(item.WaitTxId, FirstSubTxId);
+        const TPath path = TPath::Resolve(ExportItemPathName(ss, exportInfo, itemIdx), ss);
+
+        if (ss->TxInFlight.contains(opId)) {
+            const auto& txState = ss->TxInFlight.at(opId);
+            if (txState.TxType != TTxState::TxBackup) {
+                return;
+            }
+
+            itemProgress.set_parts_total(txState.Shards.size());
+            itemProgress.set_parts_completed(txState.Shards.size() - txState.ShardsInProgress.size());
+            *itemProgress.mutable_start_time() = SecondsToProtoTimeStamp(txState.StartTime.Seconds());
+        } else if (path.IsResolved()) {
+            if (!ss->Tables.contains(path.Base()->PathId)) {
+                return;
+            }
+
+            auto table = ss->Tables.at(path.Base()->PathId);
+            if (!table->BackupHistory.contains(item.WaitTxId)) {
+                return;
+            }
+
+            const auto& backupResult = table->BackupHistory.at(item.WaitTxId);
+            itemProgress.set_parts_total(backupResult.TotalShardCount);
+            itemProgress.set_parts_completed(backupResult.TotalShardCount);
+            *itemProgress.mutable_start_time() = SecondsToProtoTimeStamp(backupResult.StartDateTime);
+            *itemProgress.mutable_end_time() = SecondsToProtoTimeStamp(backupResult.CompletionDateTime);
+        }
+    }
+
+} // anonymous
+
 void TSchemeShard::FromXxportInfo(NKikimrExport::TExport& exprt, const TExportInfo::TPtr exportInfo) {
-    exprt.SetId(exportInfo->Id); 
-    exprt.SetStatus(Ydb::StatusIds::SUCCESS); 
- 
-    switch (exportInfo->State) { 
-    case TExportInfo::EState::CreateExportDir: 
-    case TExportInfo::EState::CopyTables: 
-        exprt.SetProgress(Ydb::Export::ExportProgress::PROGRESS_PREPARING); 
-        break; 
- 
-    case TExportInfo::EState::Transferring: 
-    case TExportInfo::EState::Done: 
-        for (ui32 itemIdx : xrange(exportInfo->Items.size())) { 
-            FillItemProgress(this, exportInfo, itemIdx, *exprt.AddItemsProgress()); 
-        } 
-        exprt.SetProgress(exportInfo->IsDone() 
-            ? Ydb::Export::ExportProgress::PROGRESS_DONE 
-            : Ydb::Export::ExportProgress::PROGRESS_TRANSFER_DATA); 
-        break; 
- 
-    case TExportInfo::EState::Dropping: 
-        exprt.SetProgress(Ydb::Export::ExportProgress::PROGRESS_DONE); 
-        break; 
- 
-    case TExportInfo::EState::Cancellation: 
-        FillIssues(exprt, exportInfo); 
-        exprt.SetProgress(Ydb::Export::ExportProgress::PROGRESS_CANCELLATION); 
-        break; 
- 
-    case TExportInfo::EState::Cancelled: 
-        exprt.SetStatus(Ydb::StatusIds::CANCELLED); 
-        FillIssues(exprt, exportInfo); 
-        exprt.SetProgress(Ydb::Export::ExportProgress::PROGRESS_CANCELLED); 
-        break; 
- 
-    default: 
-        exprt.SetStatus(Ydb::StatusIds::UNDETERMINED); 
-        exprt.SetProgress(Ydb::Export::ExportProgress::PROGRESS_UNSPECIFIED); 
-        break; 
-    } 
- 
-    switch (exportInfo->Kind) { 
-    case TExportInfo::EKind::YT: 
-        Y_VERIFY(exprt.MutableExportToYtSettings()->ParseFromString(exportInfo->Settings)); 
-        exprt.MutableExportToYtSettings()->clear_token(); 
-        break; 
- 
-    case TExportInfo::EKind::S3: 
-        Y_VERIFY(exprt.MutableExportToS3Settings()->ParseFromString(exportInfo->Settings)); 
-        exprt.MutableExportToS3Settings()->clear_access_key(); 
-        exprt.MutableExportToS3Settings()->clear_secret_key(); 
-        break; 
-    } 
-} 
- 
+    exprt.SetId(exportInfo->Id);
+    exprt.SetStatus(Ydb::StatusIds::SUCCESS);
+
+    switch (exportInfo->State) {
+    case TExportInfo::EState::CreateExportDir:
+    case TExportInfo::EState::CopyTables:
+        exprt.SetProgress(Ydb::Export::ExportProgress::PROGRESS_PREPARING);
+        break;
+
+    case TExportInfo::EState::Transferring:
+    case TExportInfo::EState::Done:
+        for (ui32 itemIdx : xrange(exportInfo->Items.size())) {
+            FillItemProgress(this, exportInfo, itemIdx, *exprt.AddItemsProgress());
+        }
+        exprt.SetProgress(exportInfo->IsDone()
+            ? Ydb::Export::ExportProgress::PROGRESS_DONE
+            : Ydb::Export::ExportProgress::PROGRESS_TRANSFER_DATA);
+        break;
+
+    case TExportInfo::EState::Dropping:
+        exprt.SetProgress(Ydb::Export::ExportProgress::PROGRESS_DONE);
+        break;
+
+    case TExportInfo::EState::Cancellation:
+        FillIssues(exprt, exportInfo);
+        exprt.SetProgress(Ydb::Export::ExportProgress::PROGRESS_CANCELLATION);
+        break;
+
+    case TExportInfo::EState::Cancelled:
+        exprt.SetStatus(Ydb::StatusIds::CANCELLED);
+        FillIssues(exprt, exportInfo);
+        exprt.SetProgress(Ydb::Export::ExportProgress::PROGRESS_CANCELLED);
+        break;
+
+    default:
+        exprt.SetStatus(Ydb::StatusIds::UNDETERMINED);
+        exprt.SetProgress(Ydb::Export::ExportProgress::PROGRESS_UNSPECIFIED);
+        break;
+    }
+
+    switch (exportInfo->Kind) {
+    case TExportInfo::EKind::YT:
+        Y_VERIFY(exprt.MutableExportToYtSettings()->ParseFromString(exportInfo->Settings));
+        exprt.MutableExportToYtSettings()->clear_token();
+        break;
+
+    case TExportInfo::EKind::S3:
+        Y_VERIFY(exprt.MutableExportToS3Settings()->ParseFromString(exportInfo->Settings));
+        exprt.MutableExportToS3Settings()->clear_access_key();
+        exprt.MutableExportToS3Settings()->clear_secret_key();
+        break;
+    }
+}
+
 void TSchemeShard::PersistCreateExport(NIceDb::TNiceDb& db, const TExportInfo::TPtr exportInfo) {
-    db.Table<Schema::Exports>().Key(exportInfo->Id).Update( 
-        NIceDb::TUpdate<Schema::Exports::Uid>(exportInfo->Uid), 
-        NIceDb::TUpdate<Schema::Exports::Kind>(static_cast<ui8>(exportInfo->Kind)), 
-        NIceDb::TUpdate<Schema::Exports::Settings>(exportInfo->Settings), 
+    db.Table<Schema::Exports>().Key(exportInfo->Id).Update(
+        NIceDb::TUpdate<Schema::Exports::Uid>(exportInfo->Uid),
+        NIceDb::TUpdate<Schema::Exports::Kind>(static_cast<ui8>(exportInfo->Kind)),
+        NIceDb::TUpdate<Schema::Exports::Settings>(exportInfo->Settings),
         NIceDb::TUpdate<Schema::Exports::DomainPathOwnerId>(exportInfo->DomainPathId.OwnerId),
         NIceDb::TUpdate<Schema::Exports::DomainPathId>(exportInfo->DomainPathId.LocalPathId),
-        NIceDb::TUpdate<Schema::Exports::Items>(exportInfo->Items.size()) 
-    ); 
- 
-    if (exportInfo->UserSID) { 
-        db.Table<Schema::Exports>().Key(exportInfo->Id).Update( 
-            NIceDb::TUpdate<Schema::Exports::UserSID>(*exportInfo->UserSID) 
-        ); 
-    } 
- 
-    for (ui32 itemIdx : xrange(exportInfo->Items.size())) { 
-        const auto& item = exportInfo->Items.at(itemIdx); 
- 
-        db.Table<Schema::ExportItems>().Key(exportInfo->Id, itemIdx).Update( 
-            NIceDb::TUpdate<Schema::ExportItems::SourcePathName>(item.SourcePathName), 
+        NIceDb::TUpdate<Schema::Exports::Items>(exportInfo->Items.size())
+    );
+
+    if (exportInfo->UserSID) {
+        db.Table<Schema::Exports>().Key(exportInfo->Id).Update(
+            NIceDb::TUpdate<Schema::Exports::UserSID>(*exportInfo->UserSID)
+        );
+    }
+
+    for (ui32 itemIdx : xrange(exportInfo->Items.size())) {
+        const auto& item = exportInfo->Items.at(itemIdx);
+
+        db.Table<Schema::ExportItems>().Key(exportInfo->Id, itemIdx).Update(
+            NIceDb::TUpdate<Schema::ExportItems::SourcePathName>(item.SourcePathName),
             NIceDb::TUpdate<Schema::ExportItems::SourceOwnerPathId>(item.SourcePathId.OwnerId),
             NIceDb::TUpdate<Schema::ExportItems::SourcePathId>(item.SourcePathId.LocalPathId),
-            NIceDb::TUpdate<Schema::ExportItems::State>(static_cast<ui8>(item.State)) 
-        ); 
-    } 
-} 
- 
+            NIceDb::TUpdate<Schema::ExportItems::State>(static_cast<ui8>(item.State))
+        );
+    }
+}
+
 void TSchemeShard::PersistRemoveExport(NIceDb::TNiceDb& db, const TExportInfo::TPtr exportInfo) {
-    for (ui32 itemIdx : xrange(exportInfo->Items.size())) { 
-        db.Table<Schema::ExportItems>().Key(exportInfo->Id, itemIdx).Delete(); 
-    } 
- 
-    db.Table<Schema::Exports>().Key(exportInfo->Id).Delete(); 
-} 
- 
+    for (ui32 itemIdx : xrange(exportInfo->Items.size())) {
+        db.Table<Schema::ExportItems>().Key(exportInfo->Id, itemIdx).Delete();
+    }
+
+    db.Table<Schema::Exports>().Key(exportInfo->Id).Delete();
+}
+
 void TSchemeShard::PersistExportPathId(NIceDb::TNiceDb& db, const TExportInfo::TPtr exportInfo) {
-    db.Table<Schema::Exports>().Key(exportInfo->Id).Update( 
+    db.Table<Schema::Exports>().Key(exportInfo->Id).Update(
         NIceDb::TUpdate<Schema::Exports::ExportOwnerPathId>(exportInfo->ExportPathId.OwnerId),
         NIceDb::TUpdate<Schema::Exports::ExportPathId>(exportInfo->ExportPathId.LocalPathId)
-    ); 
-} 
- 
+    );
+}
+
 void TSchemeShard::PersistExportState(NIceDb::TNiceDb& db, const TExportInfo::TPtr exportInfo) {
-    db.Table<Schema::Exports>().Key(exportInfo->Id).Update( 
-        NIceDb::TUpdate<Schema::Exports::State>(static_cast<ui8>(exportInfo->State)), 
-        NIceDb::TUpdate<Schema::Exports::WaitTxId>(exportInfo->WaitTxId), 
-        NIceDb::TUpdate<Schema::Exports::Issue>(exportInfo->Issue) 
-    ); 
-} 
- 
+    db.Table<Schema::Exports>().Key(exportInfo->Id).Update(
+        NIceDb::TUpdate<Schema::Exports::State>(static_cast<ui8>(exportInfo->State)),
+        NIceDb::TUpdate<Schema::Exports::WaitTxId>(exportInfo->WaitTxId),
+        NIceDb::TUpdate<Schema::Exports::Issue>(exportInfo->Issue)
+    );
+}
+
 void TSchemeShard::PersistExportItemState(NIceDb::TNiceDb& db, const TExportInfo::TPtr exportInfo, ui32 itemIdx) {
-    Y_VERIFY(itemIdx < exportInfo->Items.size()); 
-    const auto& item = exportInfo->Items.at(itemIdx); 
- 
-    db.Table<Schema::ExportItems>().Key(exportInfo->Id, itemIdx).Update( 
-        NIceDb::TUpdate<Schema::ExportItems::State>(static_cast<ui8>(item.State)), 
-        NIceDb::TUpdate<Schema::ExportItems::BackupTxId>(item.WaitTxId), 
-        NIceDb::TUpdate<Schema::ExportItems::Issue>(item.Issue) 
-    ); 
-} 
- 
+    Y_VERIFY(itemIdx < exportInfo->Items.size());
+    const auto& item = exportInfo->Items.at(itemIdx);
+
+    db.Table<Schema::ExportItems>().Key(exportInfo->Id, itemIdx).Update(
+        NIceDb::TUpdate<Schema::ExportItems::State>(static_cast<ui8>(item.State)),
+        NIceDb::TUpdate<Schema::ExportItems::BackupTxId>(item.WaitTxId),
+        NIceDb::TUpdate<Schema::ExportItems::Issue>(item.Issue)
+    );
+}
+
 void TSchemeShard::Handle(TEvExport::TEvCreateExportRequest::TPtr& ev, const TActorContext& ctx) {
-    Execute(CreateTxCreateExport(ev), ctx); 
-} 
- 
+    Execute(CreateTxCreateExport(ev), ctx);
+}
+
 void TSchemeShard::Handle(TEvExport::TEvGetExportRequest::TPtr& ev, const TActorContext& ctx) {
-    Execute(CreateTxGetExport(ev), ctx); 
-} 
- 
+    Execute(CreateTxGetExport(ev), ctx);
+}
+
 void TSchemeShard::Handle(TEvExport::TEvCancelExportRequest::TPtr& ev, const TActorContext& ctx) {
-    Execute(CreateTxCancelExport(ev), ctx); 
-} 
- 
+    Execute(CreateTxCancelExport(ev), ctx);
+}
+
 void TSchemeShard::Handle(TEvExport::TEvForgetExportRequest::TPtr& ev, const TActorContext& ctx) {
-    Execute(CreateTxForgetExport(ev), ctx); 
-} 
- 
+    Execute(CreateTxForgetExport(ev), ctx);
+}
+
 void TSchemeShard::Handle(TEvExport::TEvListExportsRequest::TPtr& ev, const TActorContext& ctx) {
-    Execute(CreateTxListExports(ev), ctx); 
-} 
- 
+    Execute(CreateTxListExports(ev), ctx);
+}
+
 void TSchemeShard::ResumeExports(const TVector<ui64>& exportIds, const TActorContext& ctx) {
-    for (const ui64 id : exportIds) { 
-        Execute(CreateTxProgressExport(id), ctx); 
-    } 
-} 
- 
+    for (const ui64 id : exportIds) {
+        Execute(CreateTxProgressExport(id), ctx);
+    }
+}
+
 } // NSchemeShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard_export.h b/ydb/core/tx/schemeshard/schemeshard_export.h
index 9ac5bb149a..b4c39a2128 100644
--- a/ydb/core/tx/schemeshard/schemeshard_export.h
+++ b/ydb/core/tx/schemeshard/schemeshard_export.h
@@ -1,171 +1,171 @@
-#pragma once 
- 
-#include "defs.h" 
- 
+#pragma once
+
+#include "defs.h"
+
 #include <ydb/core/protos/export.pb.h>
- 
-namespace NKikimr { 
+
+namespace NKikimr {
 namespace NSchemeShard {
- 
-struct TEvExport { 
-    enum EEv { 
-        EvCreateExportRequest = EventSpaceBegin(TKikimrEvents::ES_EXPORT_SERVICE), 
-        EvCreateExportResponse, 
-        EvGetExportRequest, 
-        EvGetExportResponse, 
-        EvCancelExportRequest, 
-        EvCancelExportResponse, 
-        EvForgetExportRequest, 
-        EvForgetExportResponse, 
-        EvListExportsRequest, 
-        EvListExportsResponse, 
- 
-        EvEnd 
-    }; 
- 
-    static_assert( 
-        EvEnd < EventSpaceEnd(TKikimrEvents::ES_EXPORT_SERVICE), 
-        "expect EvEnd < EventSpaceEnd(TKikimrEvents::ES_EXPORT_SERVICE)" 
-    ); 
- 
-#ifdef DECLARE_EVENT_CLASS 
-#error DECLARE_EVENT_CLASS macro redefinition 
-#else 
-#define DECLARE_EVENT_CLASS(NAME) struct T##NAME: public TEventPB<T##NAME, NKikimrExport::T##NAME, NAME> 
-#endif 
- 
-    DECLARE_EVENT_CLASS(EvCreateExportRequest) { 
-        TEvCreateExportRequest() = default; 
- 
-        explicit TEvCreateExportRequest( 
-            const ui64 txId, 
-            const TString& dbName, 
-            const NKikimrExport::TCreateExportRequest& request 
-        ) { 
-            Record.SetTxId(txId); 
-            Record.SetDatabaseName(dbName); 
-            Record.MutableRequest()->CopyFrom(request); 
-        } 
-    }; 
- 
-    DECLARE_EVENT_CLASS(EvCreateExportResponse) { 
-        TEvCreateExportResponse() = default; 
- 
-        explicit TEvCreateExportResponse(const ui64 txId) { 
-            Record.SetTxId(txId); 
-        } 
-    }; 
- 
-    DECLARE_EVENT_CLASS(EvGetExportRequest) { 
-        TEvGetExportRequest() = default; 
- 
-        explicit TEvGetExportRequest(const TString& dbName, const NKikimrExport::TGetExportRequest& request) { 
-            Record.SetDatabaseName(dbName); 
-            Record.MutableRequest()->CopyFrom(request); 
-        } 
- 
-        explicit TEvGetExportRequest(const TString& dbName, const ui64 exportId) { 
-            Record.SetDatabaseName(dbName); 
-            Record.MutableRequest()->SetId(exportId); 
-        } 
-    }; 
- 
-    DECLARE_EVENT_CLASS(EvGetExportResponse) { 
-    }; 
- 
-    DECLARE_EVENT_CLASS(EvCancelExportRequest) { 
-        TEvCancelExportRequest() = default; 
- 
-        explicit TEvCancelExportRequest( 
-            const ui64 txId, 
-            const TString& dbName, 
-            const NKikimrExport::TCancelExportRequest& request 
-        ) { 
-            Record.SetTxId(txId); 
-            Record.SetDatabaseName(dbName); 
-            Record.MutableRequest()->CopyFrom(request); 
-        } 
- 
-        explicit TEvCancelExportRequest( 
-            const ui64 txId, 
-            const TString& dbName, 
-            const ui64 exportId 
-        ) { 
-            Record.SetTxId(txId); 
-            Record.SetDatabaseName(dbName); 
-            Record.MutableRequest()->SetId(exportId); 
-        } 
-    }; 
- 
-    DECLARE_EVENT_CLASS(EvCancelExportResponse) { 
-        TEvCancelExportResponse() = default; 
- 
-        explicit TEvCancelExportResponse(const ui64 txId) { 
-            Record.SetTxId(txId); 
-        } 
-    }; 
- 
-    DECLARE_EVENT_CLASS(EvForgetExportRequest) { 
-        TEvForgetExportRequest() = default; 
- 
-        explicit TEvForgetExportRequest( 
-            const ui64 txId, 
-            const TString& dbName, 
-            const NKikimrExport::TForgetExportRequest& request 
-        ) { 
-            Record.SetTxId(txId); 
-            Record.SetDatabaseName(dbName); 
-            Record.MutableRequest()->CopyFrom(request); 
-        } 
- 
-        explicit TEvForgetExportRequest( 
-            const ui64 txId, 
-            const TString& dbName, 
-            const ui64 exportId 
-        ) { 
-            Record.SetTxId(txId); 
-            Record.SetDatabaseName(dbName); 
-            Record.MutableRequest()->SetId(exportId); 
-        } 
-    }; 
- 
-    DECLARE_EVENT_CLASS(EvForgetExportResponse) { 
-        TEvForgetExportResponse() = default; 
- 
-        explicit TEvForgetExportResponse(const ui64 txId) { 
-            Record.SetTxId(txId); 
-        } 
-    }; 
- 
-    DECLARE_EVENT_CLASS(EvListExportsRequest) { 
-        TEvListExportsRequest() = default; 
- 
-        explicit TEvListExportsRequest(const TString& dbName, const NKikimrExport::TListExportsRequest& request) { 
-            Record.SetDatabaseName(dbName); 
-            Record.MutableRequest()->CopyFrom(request); 
-        } 
- 
-        explicit TEvListExportsRequest( 
-            const TString& dbName, 
-            const ui64 pageSize, 
-            const TString& pageToken, 
-            const TString& kind 
-        ) { 
-            Record.SetDatabaseName(dbName); 
- 
-            auto& request = *Record.MutableRequest(); 
-            request.SetPageSize(pageSize); 
-            request.SetPageToken(pageToken); 
-            request.SetKind(kind); 
-        } 
-    }; 
- 
-    DECLARE_EVENT_CLASS(EvListExportsResponse) { 
-    }; 
- 
-#undef DECLARE_EVENT_CLASS 
- 
-}; // TEvExport 
- 
+
+struct TEvExport {
+    enum EEv {
+        EvCreateExportRequest = EventSpaceBegin(TKikimrEvents::ES_EXPORT_SERVICE),
+        EvCreateExportResponse,
+        EvGetExportRequest,
+        EvGetExportResponse,
+        EvCancelExportRequest,
+        EvCancelExportResponse,
+        EvForgetExportRequest,
+        EvForgetExportResponse,
+        EvListExportsRequest,
+        EvListExportsResponse,
+
+        EvEnd
+    };
+
+    static_assert(
+        EvEnd < EventSpaceEnd(TKikimrEvents::ES_EXPORT_SERVICE),
+        "expect EvEnd < EventSpaceEnd(TKikimrEvents::ES_EXPORT_SERVICE)"
+    );
+
+#ifdef DECLARE_EVENT_CLASS
+#error DECLARE_EVENT_CLASS macro redefinition
+#else
+#define DECLARE_EVENT_CLASS(NAME) struct T##NAME: public TEventPB<T##NAME, NKikimrExport::T##NAME, NAME>
+#endif
+
+    DECLARE_EVENT_CLASS(EvCreateExportRequest) {
+        TEvCreateExportRequest() = default;
+
+        explicit TEvCreateExportRequest(
+            const ui64 txId,
+            const TString& dbName,
+            const NKikimrExport::TCreateExportRequest& request
+        ) {
+            Record.SetTxId(txId);
+            Record.SetDatabaseName(dbName);
+            Record.MutableRequest()->CopyFrom(request);
+        }
+    };
+
+    DECLARE_EVENT_CLASS(EvCreateExportResponse) {
+        TEvCreateExportResponse() = default;
+
+        explicit TEvCreateExportResponse(const ui64 txId) {
+            Record.SetTxId(txId);
+        }
+    };
+
+    DECLARE_EVENT_CLASS(EvGetExportRequest) {
+        TEvGetExportRequest() = default;
+
+        explicit TEvGetExportRequest(const TString& dbName, const NKikimrExport::TGetExportRequest& request) {
+            Record.SetDatabaseName(dbName);
+            Record.MutableRequest()->CopyFrom(request);
+        }
+
+        explicit TEvGetExportRequest(const TString& dbName, const ui64 exportId) {
+            Record.SetDatabaseName(dbName);
+            Record.MutableRequest()->SetId(exportId);
+        }
+    };
+
+    DECLARE_EVENT_CLASS(EvGetExportResponse) {
+    };
+
+    DECLARE_EVENT_CLASS(EvCancelExportRequest) {
+        TEvCancelExportRequest() = default;
+
+        explicit TEvCancelExportRequest(
+            const ui64 txId,
+            const TString& dbName,
+            const NKikimrExport::TCancelExportRequest& request
+        ) {
+            Record.SetTxId(txId);
+            Record.SetDatabaseName(dbName);
+            Record.MutableRequest()->CopyFrom(request);
+        }
+
+        explicit TEvCancelExportRequest(
+            const ui64 txId,
+            const TString& dbName,
+            const ui64 exportId
+        ) {
+            Record.SetTxId(txId);
+            Record.SetDatabaseName(dbName);
+            Record.MutableRequest()->SetId(exportId);
+        }
+    };
+
+    DECLARE_EVENT_CLASS(EvCancelExportResponse) {
+        TEvCancelExportResponse() = default;
+
+        explicit TEvCancelExportResponse(const ui64 txId) {
+            Record.SetTxId(txId);
+        }
+    };
+
+    DECLARE_EVENT_CLASS(EvForgetExportRequest) {
+        TEvForgetExportRequest() = default;
+
+        explicit TEvForgetExportRequest(
+            const ui64 txId,
+            const TString& dbName,
+            const NKikimrExport::TForgetExportRequest& request
+        ) {
+            Record.SetTxId(txId);
+            Record.SetDatabaseName(dbName);
+            Record.MutableRequest()->CopyFrom(request);
+        }
+
+        explicit TEvForgetExportRequest(
+            const ui64 txId,
+            const TString& dbName,
+            const ui64 exportId
+        ) {
+            Record.SetTxId(txId);
+            Record.SetDatabaseName(dbName);
+            Record.MutableRequest()->SetId(exportId);
+        }
+    };
+
+    DECLARE_EVENT_CLASS(EvForgetExportResponse) {
+        TEvForgetExportResponse() = default;
+
+        explicit TEvForgetExportResponse(const ui64 txId) {
+            Record.SetTxId(txId);
+        }
+    };
+
+    DECLARE_EVENT_CLASS(EvListExportsRequest) {
+        TEvListExportsRequest() = default;
+
+        explicit TEvListExportsRequest(const TString& dbName, const NKikimrExport::TListExportsRequest& request) {
+            Record.SetDatabaseName(dbName);
+            Record.MutableRequest()->CopyFrom(request);
+        }
+
+        explicit TEvListExportsRequest(
+            const TString& dbName,
+            const ui64 pageSize,
+            const TString& pageToken,
+            const TString& kind
+        ) {
+            Record.SetDatabaseName(dbName);
+
+            auto& request = *Record.MutableRequest();
+            request.SetPageSize(pageSize);
+            request.SetPageToken(pageToken);
+            request.SetKind(kind);
+        }
+    };
+
+    DECLARE_EVENT_CLASS(EvListExportsResponse) {
+    };
+
+#undef DECLARE_EVENT_CLASS
+
+}; // TEvExport
+
 } // NSchemeShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard_export__cancel.cpp b/ydb/core/tx/schemeshard/schemeshard_export__cancel.cpp
index fa75718f11..2282dd42bb 100644
--- a/ydb/core/tx/schemeshard/schemeshard_export__cancel.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard_export__cancel.cpp
@@ -1,182 +1,182 @@
-#include "schemeshard_xxport__tx_base.h" 
-#include "schemeshard_export_flow_proposals.h" 
-#include "schemeshard_export.h" 
-#include "schemeshard_impl.h" 
- 
+#include "schemeshard_xxport__tx_base.h"
+#include "schemeshard_export_flow_proposals.h"
+#include "schemeshard_export.h"
+#include "schemeshard_impl.h"
+
 #include <ydb/public/api/protos/ydb_issue_message.pb.h>
 #include <ydb/public/api/protos/ydb_status_codes.pb.h>
- 
-#include <util/generic/ptr.h> 
-#include <util/generic/xrange.h> 
- 
-namespace NKikimr { 
+
+#include <util/generic/ptr.h>
+#include <util/generic/xrange.h>
+
+namespace NKikimr {
 namespace NSchemeShard {
- 
-using namespace NTabletFlatExecutor; 
- 
+
+using namespace NTabletFlatExecutor;
+
 struct TSchemeShard::TExport::TTxCancel: public TSchemeShard::TXxport::TTxBase {
-    TEvExport::TEvCancelExportRequest::TPtr Request; 
- 
-    explicit TTxCancel(TSelf *self, TEvExport::TEvCancelExportRequest::TPtr& ev) 
-        : TXxport::TTxBase(self) 
-        , Request(ev) 
-    { 
-    } 
- 
-    TTxType GetTxType() const override { 
-        return TXTYPE_CANCEL_EXPORT; 
-    } 
- 
-    bool DoExecute(TTransactionContext& txc, const TActorContext&) override { 
-        const auto& request = Request->Get()->Record; 
- 
-        auto response = MakeHolder<TEvExport::TEvCancelExportResponse>(request.GetTxId()); 
-        auto& cancel = *response->Record.MutableResponse(); 
- 
-        auto it = Self->Exports.find(request.GetRequest().GetId()); 
-        if (it == Self->Exports.end() || !IsSameDomain(it->second, request.GetDatabaseName())) { 
-            cancel.SetStatus(Ydb::StatusIds::NOT_FOUND); 
- 
-            Send(Request->Sender, std::move(response), 0, Request->Cookie); 
-            return true; 
-        } 
- 
-        TExportInfo::TPtr exportInfo = it->second; 
- 
-        if (!exportInfo->IsValid()) { 
-            cancel.SetStatus(Ydb::StatusIds::UNDETERMINED); 
- 
-            Send(Request->Sender, std::move(response), 0, Request->Cookie); 
-            return true; 
-        } 
- 
-        cancel.SetStatus(Ydb::StatusIds::SUCCESS); 
- 
-        if (exportInfo->IsFinished() || exportInfo->IsDropping()) { 
-            Send(Request->Sender, std::move(response), 0, Request->Cookie); 
-            return true; 
-        } 
- 
-        exportInfo->Issue = "Cancelled manually"; 
- 
-        if (exportInfo->State < TExportInfo::EState::Transferring) { 
-            exportInfo->State = TExportInfo::EState::Cancelled; 
- 
-            Self->TxIdToExport.erase(exportInfo->WaitTxId); 
-            exportInfo->WaitTxId = InvalidTxId; 
-        } else { 
-            exportInfo->State = TExportInfo::EState::Cancelled; 
- 
-            for (const auto& item : exportInfo->Items) { 
-                if (item.State != TExportInfo::EState::Transferring) { 
-                    continue; 
-                } 
- 
-                exportInfo->State = TExportInfo::EState::Cancellation; 
-                if (item.WaitTxId != InvalidTxId) { 
-                    Send(Self->SelfId(), CancelPropose(exportInfo, item.WaitTxId), 0, exportInfo->Id); 
-                } 
-            } 
-        } 
- 
-        NIceDb::TNiceDb db(txc.DB); 
-        Self->PersistExportState(db, exportInfo); 
- 
-        Send(Request->Sender, std::move(response), 0, Request->Cookie); 
+    TEvExport::TEvCancelExportRequest::TPtr Request;
+
+    explicit TTxCancel(TSelf *self, TEvExport::TEvCancelExportRequest::TPtr& ev)
+        : TXxport::TTxBase(self)
+        , Request(ev)
+    {
+    }
+
+    TTxType GetTxType() const override {
+        return TXTYPE_CANCEL_EXPORT;
+    }
+
+    bool DoExecute(TTransactionContext& txc, const TActorContext&) override {
+        const auto& request = Request->Get()->Record;
+
+        auto response = MakeHolder<TEvExport::TEvCancelExportResponse>(request.GetTxId());
+        auto& cancel = *response->Record.MutableResponse();
+
+        auto it = Self->Exports.find(request.GetRequest().GetId());
+        if (it == Self->Exports.end() || !IsSameDomain(it->second, request.GetDatabaseName())) {
+            cancel.SetStatus(Ydb::StatusIds::NOT_FOUND);
+
+            Send(Request->Sender, std::move(response), 0, Request->Cookie);
+            return true;
+        }
+
+        TExportInfo::TPtr exportInfo = it->second;
+
+        if (!exportInfo->IsValid()) {
+            cancel.SetStatus(Ydb::StatusIds::UNDETERMINED);
+
+            Send(Request->Sender, std::move(response), 0, Request->Cookie);
+            return true;
+        }
+
+        cancel.SetStatus(Ydb::StatusIds::SUCCESS);
+
+        if (exportInfo->IsFinished() || exportInfo->IsDropping()) {
+            Send(Request->Sender, std::move(response), 0, Request->Cookie);
+            return true;
+        }
+
+        exportInfo->Issue = "Cancelled manually";
+
+        if (exportInfo->State < TExportInfo::EState::Transferring) {
+            exportInfo->State = TExportInfo::EState::Cancelled;
+
+            Self->TxIdToExport.erase(exportInfo->WaitTxId);
+            exportInfo->WaitTxId = InvalidTxId;
+        } else {
+            exportInfo->State = TExportInfo::EState::Cancelled;
+
+            for (const auto& item : exportInfo->Items) {
+                if (item.State != TExportInfo::EState::Transferring) {
+                    continue;
+                }
+
+                exportInfo->State = TExportInfo::EState::Cancellation;
+                if (item.WaitTxId != InvalidTxId) {
+                    Send(Self->SelfId(), CancelPropose(exportInfo, item.WaitTxId), 0, exportInfo->Id);
+                }
+            }
+        }
+
+        NIceDb::TNiceDb db(txc.DB);
+        Self->PersistExportState(db, exportInfo);
+
+        Send(Request->Sender, std::move(response), 0, Request->Cookie);
         SendNotificationsIfFinished(exportInfo);
-        return true; 
-    } 
- 
-    void DoComplete(const TActorContext&) override { 
-    } 
- 
-}; // TTxCancel 
- 
+        return true;
+    }
+
+    void DoComplete(const TActorContext&) override {
+    }
+
+}; // TTxCancel
+
 struct TSchemeShard::TExport::TTxCancelAck: public TSchemeShard::TXxport::TTxBase {
     TEvSchemeShard::TEvCancelTxResult::TPtr CancelResult;
- 
+
     explicit TTxCancelAck(TSelf *self, TEvSchemeShard::TEvCancelTxResult::TPtr& ev)
-        : TXxport::TTxBase(self) 
-        , CancelResult(ev) 
-    { 
-    } 
- 
-    TTxType GetTxType() const override { 
-        return TXTYPE_CANCEL_EXPORT_ACK; 
-    } 
- 
-    bool DoExecute(TTransactionContext& txc, const TActorContext&) override { 
-        const ui64 id = CancelResult->Cookie; 
-        const auto backupTxId = TTxId(CancelResult->Get()->Record.GetTargetTxId()); 
- 
-        if (!Self->Exports.contains(id)) { 
-            return true; 
-        } 
- 
-        TExportInfo::TPtr exportInfo = Self->Exports.at(id); 
- 
-        if (exportInfo->State != TExportInfo::EState::Cancellation) { 
-            return true; 
-        } 
- 
-        bool found = false; 
-        ui32 itemIdx; 
-        ui32 cancelledItems = 0; 
-        ui32 cancellableItems = 0; 
- 
-        for (ui32 i : xrange(exportInfo->Items.size())) { 
-            auto& item = exportInfo->Items.at(i); 
- 
-            if (item.State != TExportInfo::EState::Transferring) { 
-                continue; 
-            } 
- 
-            if (item.WaitTxId != InvalidTxId) { 
-                ++cancellableItems; 
-            } 
- 
-            if (item.WaitTxId == backupTxId) { 
-                found = true; 
- 
-                item.State = TExportInfo::EState::Cancelled; 
-                itemIdx = i; 
-            } 
- 
-            if (item.State == TExportInfo::EState::Cancelled) { 
-                ++cancelledItems; 
-            } 
-        } 
- 
-        if (!found) { 
-            return true; 
-        } 
- 
-        Self->TxIdToExport.erase(backupTxId); 
- 
-        NIceDb::TNiceDb db(txc.DB); 
-        Self->PersistExportItemState(db, exportInfo, itemIdx); 
- 
-        if (cancelledItems == cancellableItems) { 
-            exportInfo->State = TExportInfo::EState::Cancelled; 
-            Self->PersistExportState(db, exportInfo); 
-        } 
- 
+        : TXxport::TTxBase(self)
+        , CancelResult(ev)
+    {
+    }
+
+    TTxType GetTxType() const override {
+        return TXTYPE_CANCEL_EXPORT_ACK;
+    }
+
+    bool DoExecute(TTransactionContext& txc, const TActorContext&) override {
+        const ui64 id = CancelResult->Cookie;
+        const auto backupTxId = TTxId(CancelResult->Get()->Record.GetTargetTxId());
+
+        if (!Self->Exports.contains(id)) {
+            return true;
+        }
+
+        TExportInfo::TPtr exportInfo = Self->Exports.at(id);
+
+        if (exportInfo->State != TExportInfo::EState::Cancellation) {
+            return true;
+        }
+
+        bool found = false;
+        ui32 itemIdx;
+        ui32 cancelledItems = 0;
+        ui32 cancellableItems = 0;
+
+        for (ui32 i : xrange(exportInfo->Items.size())) {
+            auto& item = exportInfo->Items.at(i);
+
+            if (item.State != TExportInfo::EState::Transferring) {
+                continue;
+            }
+
+            if (item.WaitTxId != InvalidTxId) {
+                ++cancellableItems;
+            }
+
+            if (item.WaitTxId == backupTxId) {
+                found = true;
+
+                item.State = TExportInfo::EState::Cancelled;
+                itemIdx = i;
+            }
+
+            if (item.State == TExportInfo::EState::Cancelled) {
+                ++cancelledItems;
+            }
+        }
+
+        if (!found) {
+            return true;
+        }
+
+        Self->TxIdToExport.erase(backupTxId);
+
+        NIceDb::TNiceDb db(txc.DB);
+        Self->PersistExportItemState(db, exportInfo, itemIdx);
+
+        if (cancelledItems == cancellableItems) {
+            exportInfo->State = TExportInfo::EState::Cancelled;
+            Self->PersistExportState(db, exportInfo);
+        }
+
         SendNotificationsIfFinished(exportInfo);
-        return true; 
-    } 
- 
-    void DoComplete(const TActorContext&) override { 
-    } 
- 
-}; // TTxCancelAck 
- 
+        return true;
+    }
+
+    void DoComplete(const TActorContext&) override {
+    }
+
+}; // TTxCancelAck
+
 ITransaction* TSchemeShard::CreateTxCancelExport(TEvExport::TEvCancelExportRequest::TPtr& ev) {
-    return new TExport::TTxCancel(this, ev); 
-} 
- 
+    return new TExport::TTxCancel(this, ev);
+}
+
 ITransaction* TSchemeShard::CreateTxCancelExportAck(TEvSchemeShard::TEvCancelTxResult::TPtr& ev) {
-    return new TExport::TTxCancelAck(this, ev); 
-} 
- 
+    return new TExport::TTxCancelAck(this, ev);
+}
+
 } // NSchemeShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard_export__create.cpp b/ydb/core/tx/schemeshard/schemeshard_export__create.cpp
index 7d03055a6b..c297a9ea0b 100644
--- a/ydb/core/tx/schemeshard/schemeshard_export__create.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard_export__create.cpp
@@ -1,954 +1,954 @@
-#include "schemeshard_xxport__tx_base.h" 
-#include "schemeshard_export_flow_proposals.h" 
-#include "schemeshard_export_helpers.h" 
-#include "schemeshard_export.h" 
-#include "schemeshard_impl.h" 
- 
+#include "schemeshard_xxport__tx_base.h"
+#include "schemeshard_export_flow_proposals.h"
+#include "schemeshard_export_helpers.h"
+#include "schemeshard_export.h"
+#include "schemeshard_impl.h"
+
 #include <ydb/public/api/protos/ydb_export.pb.h>
 #include <ydb/public/api/protos/ydb_issue_message.pb.h>
 #include <ydb/public/api/protos/ydb_status_codes.pb.h>
- 
-#include <util/generic/algorithm.h> 
-#include <util/generic/ptr.h> 
-#include <util/generic/xrange.h> 
-#include <util/string/builder.h> 
- 
-namespace NKikimr { 
+
+#include <util/generic/algorithm.h>
+#include <util/generic/ptr.h>
+#include <util/generic/xrange.h>
+#include <util/string/builder.h>
+
+namespace NKikimr {
 namespace NSchemeShard {
- 
-using namespace NTabletFlatExecutor; 
- 
+
+using namespace NTabletFlatExecutor;
+
 struct TSchemeShard::TExport::TTxCreate: public TSchemeShard::TXxport::TTxBase {
-    TEvExport::TEvCreateExportRequest::TPtr Request; 
-    bool Progress; 
- 
-    explicit TTxCreate(TSelf* self, TEvExport::TEvCreateExportRequest::TPtr& ev) 
-        : TXxport::TTxBase(self) 
-        , Request(ev) 
-        , Progress(false) 
-    { 
-    } 
- 
-    TTxType GetTxType() const override { 
-        return TXTYPE_CREATE_EXPORT; 
-    } 
- 
-    bool DoExecute(TTransactionContext& txc, const TActorContext&) override { 
-        const auto& request = Request->Get()->Record; 
- 
-        LOG_D("TExport::TTxCreate: DoExecute"); 
-        LOG_T("Message:\n" << request.ShortDebugString()); 
- 
-        auto response = MakeHolder<TEvExport::TEvCreateExportResponse>(request.GetTxId()); 
- 
-        const ui64 id = request.GetTxId(); 
-        if (Self->Exports.contains(id)) { 
-            return Reply( 
-                std::move(response), 
-                Ydb::StatusIds::ALREADY_EXISTS, 
-                TStringBuilder() << "Export with id '" << id << "' already exists" 
-            ); 
-        } 
- 
-        const TString& uid = GetUid(request.GetRequest().GetOperationParams().labels()); 
-        if (uid && Self->ExportsByUid.contains(uid)) { 
-            return Reply( 
-                std::move(response), 
-                Ydb::StatusIds::ALREADY_EXISTS, 
-                TStringBuilder() << "Export with uid '" << uid << "' already exists" 
-            ); 
-        } 
- 
-        const TPath domainPath = TPath::Resolve(request.GetDatabaseName(), Self); 
-        { 
-            TPath::TChecker checks = domainPath.Check(); 
-            checks 
-                .IsResolved() 
-                .NotDeleted() 
-                .NotUnderDeleting() 
-                .IsCommonSensePath() 
+    TEvExport::TEvCreateExportRequest::TPtr Request;
+    bool Progress;
+
+    explicit TTxCreate(TSelf* self, TEvExport::TEvCreateExportRequest::TPtr& ev)
+        : TXxport::TTxBase(self)
+        , Request(ev)
+        , Progress(false)
+    {
+    }
+
+    TTxType GetTxType() const override {
+        return TXTYPE_CREATE_EXPORT;
+    }
+
+    bool DoExecute(TTransactionContext& txc, const TActorContext&) override {
+        const auto& request = Request->Get()->Record;
+
+        LOG_D("TExport::TTxCreate: DoExecute");
+        LOG_T("Message:\n" << request.ShortDebugString());
+
+        auto response = MakeHolder<TEvExport::TEvCreateExportResponse>(request.GetTxId());
+
+        const ui64 id = request.GetTxId();
+        if (Self->Exports.contains(id)) {
+            return Reply(
+                std::move(response),
+                Ydb::StatusIds::ALREADY_EXISTS,
+                TStringBuilder() << "Export with id '" << id << "' already exists"
+            );
+        }
+
+        const TString& uid = GetUid(request.GetRequest().GetOperationParams().labels());
+        if (uid && Self->ExportsByUid.contains(uid)) {
+            return Reply(
+                std::move(response),
+                Ydb::StatusIds::ALREADY_EXISTS,
+                TStringBuilder() << "Export with uid '" << uid << "' already exists"
+            );
+        }
+
+        const TPath domainPath = TPath::Resolve(request.GetDatabaseName(), Self);
+        {
+            TPath::TChecker checks = domainPath.Check();
+            checks
+                .IsResolved()
+                .NotDeleted()
+                .NotUnderDeleting()
+                .IsCommonSensePath()
                 .IsLikeDirectory();
- 
-            if (!checks) { 
-                TString explain; 
-                checks.GetStatus(&explain); 
- 
-                return Reply( 
-                    std::move(response), 
-                    Ydb::StatusIds::BAD_REQUEST, 
-                    TStringBuilder() << "Failed database check: " << explain 
-                ); 
-            } 
-        } 
- 
-        TExportInfo::TPtr exportInfo = nullptr; 
- 
-        switch (request.GetRequest().GetSettingsCase()) { 
-        case NKikimrExport::TCreateExportRequest::kExportToYtSettings: 
-            { 
-                const auto& settings = request.GetRequest().GetExportToYtSettings(); 
-                exportInfo = new TExportInfo(id, uid, TExportInfo::EKind::YT, settings, domainPath.Base()->PathId); 
- 
-                TString explain; 
-                if (!FillItems(exportInfo, settings, explain)) { 
-                    return Reply( 
-                        std::move(response), 
-                        Ydb::StatusIds::BAD_REQUEST, 
-                        TStringBuilder() << "Failed item check: " << explain 
-                    ); 
-                } 
-            } 
-            break; 
- 
-        case NKikimrExport::TCreateExportRequest::kExportToS3Settings: 
-            { 
-                auto settings = request.GetRequest().GetExportToS3Settings(); 
-                if (!settings.scheme()) { 
-                    settings.set_scheme(Ydb::Export::ExportToS3Settings::HTTPS); 
-                } 
- 
-                exportInfo = new TExportInfo(id, uid, TExportInfo::EKind::S3, settings, domainPath.Base()->PathId); 
- 
-                TString explain; 
-                if (!FillItems(exportInfo, settings, explain)) { 
-                    return Reply( 
-                        std::move(response), 
-                        Ydb::StatusIds::BAD_REQUEST, 
-                        TStringBuilder() << "Failed item check: " << explain 
-                    ); 
-                } 
-            } 
-            break; 
- 
-        default: 
-            Y_VERIFY_DEBUG(false, "Unknown export kind"); 
-        } 
- 
-        Y_VERIFY(exportInfo != nullptr); 
- 
-        if (request.HasUserSID()) { 
-            exportInfo->UserSID = request.GetUserSID(); 
-        } 
- 
-        NIceDb::TNiceDb db(txc.DB); 
-        Self->PersistCreateExport(db, exportInfo); 
- 
-        exportInfo->State = TExportInfo::EState::CreateExportDir; 
-        Self->PersistExportState(db, exportInfo); 
- 
-        Self->Exports[id] = exportInfo; 
-        if (uid) { 
-            Self->ExportsByUid[uid] = exportInfo; 
-        } 
- 
-        Self->FromXxportInfo(*response->Record.MutableResponse()->MutableEntry(), exportInfo); 
- 
-        Progress = true; 
-        return Reply(std::move(response)); 
-    } 
- 
-    void DoComplete(const TActorContext& ctx) override { 
-        LOG_D("TExport::TTxCreate: DoComplete"); 
- 
-        if (Progress) { 
-            const ui64 id = Request->Get()->Record.GetTxId(); 
-            Self->Execute(Self->CreateTxProgressExport(id), ctx); 
-        } 
-    } 
- 
-private: 
-    static TString GetUid(const google::protobuf::Map<TString, TString>& labels) { 
-        auto it = labels.find("uid"); 
-        if (it == labels.end()) { 
-            return TString(); 
-        } 
- 
-        return it->second; 
-    } 
- 
-    bool Reply( 
-        THolder<TEvExport::TEvCreateExportResponse> response, 
-        const Ydb::StatusIds::StatusCode status = Ydb::StatusIds::SUCCESS, 
-        const TString& errorMessage = TString() 
-    ) { 
-        LOG_D("TExport::TTxCreate: Reply" 
-            << ": status# " << status 
-            << ", error# " << errorMessage); 
-        LOG_T("Message:\n" << response->Record.ShortDebugString()); 
- 
-        auto& exprt = *response->Record.MutableResponse()->MutableEntry(); 
-        exprt.SetStatus(status); 
-        if (errorMessage) { 
-            AddIssue(exprt, errorMessage); 
-        } 
- 
-        Send(Request->Sender, std::move(response), 0, Request->Cookie); 
- 
-        return true; 
-    } 
- 
-    template <typename TSettings> 
-    bool FillItems(TExportInfo::TPtr exportInfo, const TSettings& settings, TString& explain) { 
-        exportInfo->Items.reserve(settings.items().size()); 
-        for (ui32 itemIdx : xrange(settings.items().size())) { 
-            const auto& item = settings.items(itemIdx); 
-            const TPath path = TPath::Resolve(item.source_path(), Self); 
-            { 
-                TPath::TChecker checks = path.Check(); 
-                checks 
-                    .IsResolved() 
-                    .NotDeleted() 
-                    .NotUnderDeleting() 
-                    .IsTable(); 
- 
-                if (!checks) { 
-                    checks.GetStatus(&explain); 
-                    return false; 
-                } 
-            } 
- 
-            exportInfo->Items.emplace_back(item.source_path(), path.Base()->PathId); 
-            exportInfo->PendingItems.push_back(itemIdx); 
-        } 
- 
-        return true; 
-    } 
- 
-}; // TTxCreate 
- 
+
+            if (!checks) {
+                TString explain;
+                checks.GetStatus(&explain);
+
+                return Reply(
+                    std::move(response),
+                    Ydb::StatusIds::BAD_REQUEST,
+                    TStringBuilder() << "Failed database check: " << explain
+                );
+            }
+        }
+
+        TExportInfo::TPtr exportInfo = nullptr;
+
+        switch (request.GetRequest().GetSettingsCase()) {
+        case NKikimrExport::TCreateExportRequest::kExportToYtSettings:
+            {
+                const auto& settings = request.GetRequest().GetExportToYtSettings();
+                exportInfo = new TExportInfo(id, uid, TExportInfo::EKind::YT, settings, domainPath.Base()->PathId);
+
+                TString explain;
+                if (!FillItems(exportInfo, settings, explain)) {
+                    return Reply(
+                        std::move(response),
+                        Ydb::StatusIds::BAD_REQUEST,
+                        TStringBuilder() << "Failed item check: " << explain
+                    );
+                }
+            }
+            break;
+
+        case NKikimrExport::TCreateExportRequest::kExportToS3Settings:
+            {
+                auto settings = request.GetRequest().GetExportToS3Settings();
+                if (!settings.scheme()) {
+                    settings.set_scheme(Ydb::Export::ExportToS3Settings::HTTPS);
+                }
+
+                exportInfo = new TExportInfo(id, uid, TExportInfo::EKind::S3, settings, domainPath.Base()->PathId);
+
+                TString explain;
+                if (!FillItems(exportInfo, settings, explain)) {
+                    return Reply(
+                        std::move(response),
+                        Ydb::StatusIds::BAD_REQUEST,
+                        TStringBuilder() << "Failed item check: " << explain
+                    );
+                }
+            }
+            break;
+
+        default:
+            Y_VERIFY_DEBUG(false, "Unknown export kind");
+        }
+
+        Y_VERIFY(exportInfo != nullptr);
+
+        if (request.HasUserSID()) {
+            exportInfo->UserSID = request.GetUserSID();
+        }
+
+        NIceDb::TNiceDb db(txc.DB);
+        Self->PersistCreateExport(db, exportInfo);
+
+        exportInfo->State = TExportInfo::EState::CreateExportDir;
+        Self->PersistExportState(db, exportInfo);
+
+        Self->Exports[id] = exportInfo;
+        if (uid) {
+            Self->ExportsByUid[uid] = exportInfo;
+        }
+
+        Self->FromXxportInfo(*response->Record.MutableResponse()->MutableEntry(), exportInfo);
+
+        Progress = true;
+        return Reply(std::move(response));
+    }
+
+    void DoComplete(const TActorContext& ctx) override {
+        LOG_D("TExport::TTxCreate: DoComplete");
+
+        if (Progress) {
+            const ui64 id = Request->Get()->Record.GetTxId();
+            Self->Execute(Self->CreateTxProgressExport(id), ctx);
+        }
+    }
+
+private:
+    static TString GetUid(const google::protobuf::Map<TString, TString>& labels) {
+        auto it = labels.find("uid");
+        if (it == labels.end()) {
+            return TString();
+        }
+
+        return it->second;
+    }
+
+    bool Reply(
+        THolder<TEvExport::TEvCreateExportResponse> response,
+        const Ydb::StatusIds::StatusCode status = Ydb::StatusIds::SUCCESS,
+        const TString& errorMessage = TString()
+    ) {
+        LOG_D("TExport::TTxCreate: Reply"
+            << ": status# " << status
+            << ", error# " << errorMessage);
+        LOG_T("Message:\n" << response->Record.ShortDebugString());
+
+        auto& exprt = *response->Record.MutableResponse()->MutableEntry();
+        exprt.SetStatus(status);
+        if (errorMessage) {
+            AddIssue(exprt, errorMessage);
+        }
+
+        Send(Request->Sender, std::move(response), 0, Request->Cookie);
+
+        return true;
+    }
+
+    template <typename TSettings>
+    bool FillItems(TExportInfo::TPtr exportInfo, const TSettings& settings, TString& explain) {
+        exportInfo->Items.reserve(settings.items().size());
+        for (ui32 itemIdx : xrange(settings.items().size())) {
+            const auto& item = settings.items(itemIdx);
+            const TPath path = TPath::Resolve(item.source_path(), Self);
+            {
+                TPath::TChecker checks = path.Check();
+                checks
+                    .IsResolved()
+                    .NotDeleted()
+                    .NotUnderDeleting()
+                    .IsTable();
+
+                if (!checks) {
+                    checks.GetStatus(&explain);
+                    return false;
+                }
+            }
+
+            exportInfo->Items.emplace_back(item.source_path(), path.Base()->PathId);
+            exportInfo->PendingItems.push_back(itemIdx);
+        }
+
+        return true;
+    }
+
+}; // TTxCreate
+
 struct TSchemeShard::TExport::TTxProgress: public TSchemeShard::TXxport::TTxBase {
-    using EState = TExportInfo::EState; 
-    using ESubState = TExportInfo::TItem::ESubState; 
- 
-    static constexpr ui32 IssuesSizeLimit = 2 * 1024; 
- 
-    ui64 Id; 
-    TEvTxAllocatorClient::TEvAllocateResult::TPtr AllocateResult = nullptr; 
+    using EState = TExportInfo::EState;
+    using ESubState = TExportInfo::TItem::ESubState;
+
+    static constexpr ui32 IssuesSizeLimit = 2 * 1024;
+
+    ui64 Id;
+    TEvTxAllocatorClient::TEvAllocateResult::TPtr AllocateResult = nullptr;
     TEvSchemeShard::TEvModifySchemeTransactionResult::TPtr ModifyResult = nullptr;
     TEvSchemeShard::TEvNotifyTxCompletionResult::TPtr NotifyResult = nullptr;
- 
-    explicit TTxProgress(TSelf* self, ui64 id) 
-        : TXxport::TTxBase(self) 
-        , Id(id) 
-    { 
-    } 
- 
-    explicit TTxProgress(TSelf* self, TEvTxAllocatorClient::TEvAllocateResult::TPtr& ev) 
-        : TXxport::TTxBase(self) 
-        , AllocateResult(ev) 
-    { 
-    } 
- 
+
+    explicit TTxProgress(TSelf* self, ui64 id)
+        : TXxport::TTxBase(self)
+        , Id(id)
+    {
+    }
+
+    explicit TTxProgress(TSelf* self, TEvTxAllocatorClient::TEvAllocateResult::TPtr& ev)
+        : TXxport::TTxBase(self)
+        , AllocateResult(ev)
+    {
+    }
+
     explicit TTxProgress(TSelf* self, TEvSchemeShard::TEvModifySchemeTransactionResult::TPtr& ev)
-        : TXxport::TTxBase(self) 
-        , ModifyResult(ev) 
-    { 
-    } 
- 
+        : TXxport::TTxBase(self)
+        , ModifyResult(ev)
+    {
+    }
+
     explicit TTxProgress(TSelf* self, TEvSchemeShard::TEvNotifyTxCompletionResult::TPtr& ev)
-        : TXxport::TTxBase(self) 
-        , NotifyResult(ev) 
-    { 
-    } 
- 
-    TTxType GetTxType() const override { 
-        return TXTYPE_EXPORT_PROGRESS; 
-    } 
- 
-    bool DoExecute(TTransactionContext& txc, const TActorContext& ctx) override { 
-        LOG_D("TExport::TTxProgress: DoExecute"); 
- 
-        if (AllocateResult) { 
-            OnAllocateResult(txc, ctx); 
-        } else if (ModifyResult) { 
-            OnModifyResult(txc, ctx); 
-        } else if (NotifyResult) { 
-            OnNotifyResult(txc, ctx); 
-        } else { 
-            Resume(txc, ctx); 
-        } 
- 
-        return true; 
-    } 
- 
-    void DoComplete(const TActorContext&) override { 
-        LOG_D("TExport::TTxProgress: DoComplete"); 
-    } 
- 
-private: 
-    void MkDir(TExportInfo::TPtr exportInfo, TTxId txId) { 
-        LOG_I("TExport::TTxProgress: MkDir propose" 
-            << ": info# " << exportInfo->ToString() 
-            << ", txId# " << txId); 
- 
-        Y_VERIFY(exportInfo->WaitTxId == InvalidTxId); 
-        Send(Self->SelfId(), MkDirPropose(Self, txId, exportInfo)); 
-    } 
- 
-    void CopyTables(TExportInfo::TPtr exportInfo, TTxId txId) { 
-        LOG_I("TExport::TTxProgress: CopyTables propose" 
-            << ": info# " << exportInfo->ToString() 
-            << ", txId# " << txId); 
- 
-        Y_VERIFY(exportInfo->WaitTxId == InvalidTxId); 
-        Send(Self->SelfId(), CopyTablesPropose(Self, txId, exportInfo)); 
-    } 
- 
-    void TransferData(TExportInfo::TPtr exportInfo, ui32 itemIdx, TTxId txId) { 
-        Y_VERIFY(itemIdx < exportInfo->Items.size()); 
-        auto& item = exportInfo->Items.at(itemIdx); 
- 
-        item.SubState = ESubState::Proposed; 
- 
-        LOG_I("TExport::TTxProgress: Backup propose" 
-            << ": info# " << exportInfo->ToString() 
-            << ", item# " << item.ToString(itemIdx) 
-            << ", txId# " << txId); 
- 
-        Y_VERIFY(item.WaitTxId == InvalidTxId); 
-        Send(Self->SelfId(), BackupPropose(Self, txId, exportInfo, itemIdx)); 
-    } 
- 
-    bool CancelTransferring(TExportInfo::TPtr exportInfo, ui32 itemIdx) { 
-        Y_VERIFY(itemIdx < exportInfo->Items.size()); 
-        const auto& item = exportInfo->Items.at(itemIdx); 
- 
-        if (item.WaitTxId == InvalidTxId) { 
-            if (item.SubState == ESubState::Proposed) { 
-                exportInfo->State = EState::Cancellation; 
-            } 
- 
-            return false; 
-        } 
- 
-        exportInfo->State = EState::Cancellation; 
- 
-        LOG_I("TExport::TTxProgress: cancel backup's tx" 
-            << ": info# " << exportInfo->ToString() 
-            << ", item# " << item.ToString(itemIdx)); 
- 
-        Send(Self->SelfId(), CancelPropose(exportInfo, item.WaitTxId), 0, exportInfo->Id); 
-        return true; 
-    } 
- 
-    void DropTable(TExportInfo::TPtr exportInfo, ui32 itemIdx, TTxId txId) { 
-        Y_VERIFY(itemIdx < exportInfo->Items.size()); 
-        const auto& item = exportInfo->Items.at(itemIdx); 
- 
-        LOG_I("TExport::TTxProgress: Drop propose" 
-            << ": info# " << exportInfo->ToString() 
-            << ", item# " << item.ToString(itemIdx) 
-            << ", txId# " << txId); 
- 
-        Y_VERIFY(item.WaitTxId == InvalidTxId); 
-        Send(Self->SelfId(), DropPropose(Self, txId, exportInfo, itemIdx)); 
-    } 
- 
-    void DropDir(TExportInfo::TPtr exportInfo, TTxId txId) { 
-        LOG_I("TExport::TTxProgress: Drop propose" 
-            << ": info# " << exportInfo->ToString() 
-            << ", txId# " << txId); 
- 
-        Y_VERIFY(exportInfo->WaitTxId == InvalidTxId); 
-        Send(Self->SelfId(), DropPropose(Self, txId, exportInfo)); 
-    } 
- 
-    void AllocateTxId(TExportInfo::TPtr exportInfo) { 
-        LOG_I("TExport::TTxProgress: Allocate txId" 
-            << ": info# " << exportInfo->ToString()); 
- 
-        Y_VERIFY(exportInfo->WaitTxId == InvalidTxId); 
-        Send(Self->TxAllocatorClient, new TEvTxAllocatorClient::TEvAllocate(), 0, exportInfo->Id); 
-    } 
- 
-    void AllocateTxId(TExportInfo::TPtr exportInfo, ui32 itemIdx) { 
-        Y_VERIFY(itemIdx < exportInfo->Items.size()); 
-        auto& item = exportInfo->Items.at(itemIdx); 
- 
-        item.SubState = ESubState::AllocateTxId; 
- 
-        LOG_I("TExport::TTxProgress: Allocate txId" 
-            << ": info# " << exportInfo->ToString() 
-            << ", item# " << item.ToString(itemIdx)); 
- 
-        Y_VERIFY(item.WaitTxId == InvalidTxId); 
-        Send(Self->TxAllocatorClient, new TEvTxAllocatorClient::TEvAllocate(), 0, exportInfo->Id); 
-    } 
- 
-    void SubscribeTx(TTxId txId) { 
+        : TXxport::TTxBase(self)
+        , NotifyResult(ev)
+    {
+    }
+
+    TTxType GetTxType() const override {
+        return TXTYPE_EXPORT_PROGRESS;
+    }
+
+    bool DoExecute(TTransactionContext& txc, const TActorContext& ctx) override {
+        LOG_D("TExport::TTxProgress: DoExecute");
+
+        if (AllocateResult) {
+            OnAllocateResult(txc, ctx);
+        } else if (ModifyResult) {
+            OnModifyResult(txc, ctx);
+        } else if (NotifyResult) {
+            OnNotifyResult(txc, ctx);
+        } else {
+            Resume(txc, ctx);
+        }
+
+        return true;
+    }
+
+    void DoComplete(const TActorContext&) override {
+        LOG_D("TExport::TTxProgress: DoComplete");
+    }
+
+private:
+    void MkDir(TExportInfo::TPtr exportInfo, TTxId txId) {
+        LOG_I("TExport::TTxProgress: MkDir propose"
+            << ": info# " << exportInfo->ToString()
+            << ", txId# " << txId);
+
+        Y_VERIFY(exportInfo->WaitTxId == InvalidTxId);
+        Send(Self->SelfId(), MkDirPropose(Self, txId, exportInfo));
+    }
+
+    void CopyTables(TExportInfo::TPtr exportInfo, TTxId txId) {
+        LOG_I("TExport::TTxProgress: CopyTables propose"
+            << ": info# " << exportInfo->ToString()
+            << ", txId# " << txId);
+
+        Y_VERIFY(exportInfo->WaitTxId == InvalidTxId);
+        Send(Self->SelfId(), CopyTablesPropose(Self, txId, exportInfo));
+    }
+
+    void TransferData(TExportInfo::TPtr exportInfo, ui32 itemIdx, TTxId txId) {
+        Y_VERIFY(itemIdx < exportInfo->Items.size());
+        auto& item = exportInfo->Items.at(itemIdx);
+
+        item.SubState = ESubState::Proposed;
+
+        LOG_I("TExport::TTxProgress: Backup propose"
+            << ": info# " << exportInfo->ToString()
+            << ", item# " << item.ToString(itemIdx)
+            << ", txId# " << txId);
+
+        Y_VERIFY(item.WaitTxId == InvalidTxId);
+        Send(Self->SelfId(), BackupPropose(Self, txId, exportInfo, itemIdx));
+    }
+
+    bool CancelTransferring(TExportInfo::TPtr exportInfo, ui32 itemIdx) {
+        Y_VERIFY(itemIdx < exportInfo->Items.size());
+        const auto& item = exportInfo->Items.at(itemIdx);
+
+        if (item.WaitTxId == InvalidTxId) {
+            if (item.SubState == ESubState::Proposed) {
+                exportInfo->State = EState::Cancellation;
+            }
+
+            return false;
+        }
+
+        exportInfo->State = EState::Cancellation;
+
+        LOG_I("TExport::TTxProgress: cancel backup's tx"
+            << ": info# " << exportInfo->ToString()
+            << ", item# " << item.ToString(itemIdx));
+
+        Send(Self->SelfId(), CancelPropose(exportInfo, item.WaitTxId), 0, exportInfo->Id);
+        return true;
+    }
+
+    void DropTable(TExportInfo::TPtr exportInfo, ui32 itemIdx, TTxId txId) {
+        Y_VERIFY(itemIdx < exportInfo->Items.size());
+        const auto& item = exportInfo->Items.at(itemIdx);
+
+        LOG_I("TExport::TTxProgress: Drop propose"
+            << ": info# " << exportInfo->ToString()
+            << ", item# " << item.ToString(itemIdx)
+            << ", txId# " << txId);
+
+        Y_VERIFY(item.WaitTxId == InvalidTxId);
+        Send(Self->SelfId(), DropPropose(Self, txId, exportInfo, itemIdx));
+    }
+
+    void DropDir(TExportInfo::TPtr exportInfo, TTxId txId) {
+        LOG_I("TExport::TTxProgress: Drop propose"
+            << ": info# " << exportInfo->ToString()
+            << ", txId# " << txId);
+
+        Y_VERIFY(exportInfo->WaitTxId == InvalidTxId);
+        Send(Self->SelfId(), DropPropose(Self, txId, exportInfo));
+    }
+
+    void AllocateTxId(TExportInfo::TPtr exportInfo) {
+        LOG_I("TExport::TTxProgress: Allocate txId"
+            << ": info# " << exportInfo->ToString());
+
+        Y_VERIFY(exportInfo->WaitTxId == InvalidTxId);
+        Send(Self->TxAllocatorClient, new TEvTxAllocatorClient::TEvAllocate(), 0, exportInfo->Id);
+    }
+
+    void AllocateTxId(TExportInfo::TPtr exportInfo, ui32 itemIdx) {
+        Y_VERIFY(itemIdx < exportInfo->Items.size());
+        auto& item = exportInfo->Items.at(itemIdx);
+
+        item.SubState = ESubState::AllocateTxId;
+
+        LOG_I("TExport::TTxProgress: Allocate txId"
+            << ": info# " << exportInfo->ToString()
+            << ", item# " << item.ToString(itemIdx));
+
+        Y_VERIFY(item.WaitTxId == InvalidTxId);
+        Send(Self->TxAllocatorClient, new TEvTxAllocatorClient::TEvAllocate(), 0, exportInfo->Id);
+    }
+
+    void SubscribeTx(TTxId txId) {
         Send(Self->SelfId(), new TEvSchemeShard::TEvNotifyTxCompletion(ui64(txId)));
-    } 
- 
-    void SubscribeTx(TExportInfo::TPtr exportInfo) { 
-        LOG_I("TExport::TTxProgress: Wait for completion" 
-            << ": info# " << exportInfo->ToString()); 
- 
-        Y_VERIFY(exportInfo->WaitTxId != InvalidTxId); 
-        SubscribeTx(exportInfo->WaitTxId); 
-    } 
- 
-    void SubscribeTx(TExportInfo::TPtr exportInfo, ui32 itemIdx) { 
-        Y_VERIFY(itemIdx < exportInfo->Items.size()); 
-        auto& item = exportInfo->Items.at(itemIdx); 
- 
-        item.SubState = ESubState::Subscribed; 
- 
-        LOG_I("TExport::TTxProgress: Wait for completion" 
-            << ": info# " << exportInfo->ToString() 
-            << ", item# " << item.ToString(itemIdx)); 
- 
-        Y_VERIFY(item.WaitTxId != InvalidTxId); 
-        SubscribeTx(item.WaitTxId); 
-    } 
- 
+    }
+
+    void SubscribeTx(TExportInfo::TPtr exportInfo) {
+        LOG_I("TExport::TTxProgress: Wait for completion"
+            << ": info# " << exportInfo->ToString());
+
+        Y_VERIFY(exportInfo->WaitTxId != InvalidTxId);
+        SubscribeTx(exportInfo->WaitTxId);
+    }
+
+    void SubscribeTx(TExportInfo::TPtr exportInfo, ui32 itemIdx) {
+        Y_VERIFY(itemIdx < exportInfo->Items.size());
+        auto& item = exportInfo->Items.at(itemIdx);
+
+        item.SubState = ESubState::Subscribed;
+
+        LOG_I("TExport::TTxProgress: Wait for completion"
+            << ": info# " << exportInfo->ToString()
+            << ", item# " << item.ToString(itemIdx));
+
+        Y_VERIFY(item.WaitTxId != InvalidTxId);
+        SubscribeTx(item.WaitTxId);
+    }
+
     static TPathId ItemPathId(TSchemeShard* ss, TExportInfo::TPtr exportInfo, ui32 itemIdx) {
-        const TPath itemPath = TPath::Resolve(ExportItemPathName(ss, exportInfo, itemIdx), ss); 
- 
-        if (!itemPath.IsResolved()) { 
-            return {}; 
-        } 
- 
-        return itemPath.Base()->PathId; 
-    } 
- 
-    TTxId GetActiveCopyingTxId(TExportInfo::TPtr exportInfo) { 
-        if (exportInfo->Items.size() < 1) { 
-            return InvalidTxId; 
-        } 
- 
-        const auto& item = exportInfo->Items.at(0); 
-        if (!Self->PathsById.contains(item.SourcePathId)) { 
-            return InvalidTxId; 
-        } 
- 
-        auto path = Self->PathsById.at(item.SourcePathId); 
+        const TPath itemPath = TPath::Resolve(ExportItemPathName(ss, exportInfo, itemIdx), ss);
+
+        if (!itemPath.IsResolved()) {
+            return {};
+        }
+
+        return itemPath.Base()->PathId;
+    }
+
+    TTxId GetActiveCopyingTxId(TExportInfo::TPtr exportInfo) {
+        if (exportInfo->Items.size() < 1) {
+            return InvalidTxId;
+        }
+
+        const auto& item = exportInfo->Items.at(0);
+        if (!Self->PathsById.contains(item.SourcePathId)) {
+            return InvalidTxId;
+        }
+
+        auto path = Self->PathsById.at(item.SourcePathId);
         if (path->PathState != NKikimrSchemeOp::EPathStateCopying) {
-            return InvalidTxId; 
-        } 
- 
-        return path->LastTxId; 
-    } 
- 
-    TTxId GetActiveBackupTxId(TExportInfo::TPtr exportInfo, ui32 itemIdx) { 
-        Y_VERIFY(itemIdx < exportInfo->Items.size()); 
-        const auto& item = exportInfo->Items.at(itemIdx); 
- 
-        Y_VERIFY(item.State == EState::Transferring); 
- 
-        const auto itemPathId = ItemPathId(Self, exportInfo, itemIdx); 
-        if (!itemPathId) { 
-            return InvalidTxId; 
-        } 
- 
-        if (!Self->PathsById.contains(itemPathId)) { 
-            return InvalidTxId; 
-        } 
- 
-        auto path = Self->PathsById.at(itemPathId); 
+            return InvalidTxId;
+        }
+
+        return path->LastTxId;
+    }
+
+    TTxId GetActiveBackupTxId(TExportInfo::TPtr exportInfo, ui32 itemIdx) {
+        Y_VERIFY(itemIdx < exportInfo->Items.size());
+        const auto& item = exportInfo->Items.at(itemIdx);
+
+        Y_VERIFY(item.State == EState::Transferring);
+
+        const auto itemPathId = ItemPathId(Self, exportInfo, itemIdx);
+        if (!itemPathId) {
+            return InvalidTxId;
+        }
+
+        if (!Self->PathsById.contains(itemPathId)) {
+            return InvalidTxId;
+        }
+
+        auto path = Self->PathsById.at(itemPathId);
         if (path->PathState != NKikimrSchemeOp::EPathStateBackup) {
-            return InvalidTxId; 
-        } 
- 
-        return path->LastTxId; 
-    } 
- 
-    void Cancel(TExportInfo::TPtr exportInfo, ui32 itemIdx, TStringBuf marker) { 
-        Y_VERIFY(itemIdx < exportInfo->Items.size()); 
-        const auto& item = exportInfo->Items.at(itemIdx); 
- 
-        LOG_N("TExport::TTxProgress: " << marker << ", cancelling" 
-            << ", info# " << exportInfo->ToString() 
-            << ", item# " << item.ToString(itemIdx)); 
- 
-        exportInfo->State = EState::Cancelled; 
- 
-        for (ui32 i : xrange(exportInfo->Items.size())) { 
-            if (i == itemIdx) { 
-                continue; 
-            } 
- 
-            if (exportInfo->Items.at(i).State != EState::Transferring) { 
-                continue; 
-            } 
- 
-            CancelTransferring(exportInfo, i); 
-        } 
-    } 
- 
-    TMaybe<TString> GetIssues(const TPathId& itemPathId, TTxId backupTxId) { 
-        if (!Self->Tables.contains(itemPathId)) { 
-            return TStringBuilder() << "Cannot find table: " << itemPathId; 
-        } 
- 
-        TTableInfo::TPtr table = Self->Tables.at(itemPathId); 
-        if (!table->BackupHistory.contains(backupTxId)) { 
-            return TStringBuilder() << "Cannot find backup: " << backupTxId << " for table: " << itemPathId; 
-        } 
- 
-        const auto& result = table->BackupHistory.at(backupTxId); 
-        if (result.TotalShardCount == result.SuccessShardCount) { 
-            return Nothing(); 
-        } 
- 
-        TStringBuilder output; 
-        bool first = true; 
- 
-        for (const auto& [shardId, status] : result.ShardStatuses) { 
-            if (status.Success) { 
-                continue; 
-            } 
- 
-            if (output.size() > IssuesSizeLimit) { 
-                output << "... <truncated>"; 
-                break; 
-            } 
- 
-            if (!first) { 
-                output << ", "; 
-            } 
-            first = false; 
- 
-            output << "shard: " << shardId << ", error: " << status.Error; 
-        } 
- 
-        return output; 
-    } 
- 
-    void Resume(TTransactionContext& txc, const TActorContext&) { 
-        Y_VERIFY(Self->Exports.contains(Id)); 
-        TExportInfo::TPtr exportInfo = Self->Exports.at(Id); 
- 
-        LOG_D("TExport::TTxProgress: Resume" 
-            << ": id# " << Id); 
- 
-        NIceDb::TNiceDb db(txc.DB); 
- 
-        switch (exportInfo->State) { 
-        case EState::CreateExportDir: 
-        case EState::CopyTables: 
-            if (exportInfo->WaitTxId == InvalidTxId) { 
-                AllocateTxId(exportInfo); 
-            } else { 
-                SubscribeTx(exportInfo); 
-            } 
-            break; 
- 
-        case EState::Transferring: 
-            for (ui32 itemIdx : xrange(exportInfo->Items.size())) { 
-                const auto& item = exportInfo->Items.at(itemIdx); 
- 
-                if (item.WaitTxId == InvalidTxId) { 
-                    AllocateTxId(exportInfo, itemIdx); 
-                } else { 
-                    SubscribeTx(exportInfo, itemIdx); 
-                } 
-            } 
-            break; 
- 
-        case EState::Cancellation: 
-            exportInfo->State = EState::Cancelled; 
-            // will be switched back to Cancellation if there is any active backup tx 
-            for (ui32 itemIdx : xrange(exportInfo->Items.size())) { 
-                auto& item = exportInfo->Items.at(itemIdx); 
- 
-                if (item.State != EState::Transferring) { 
-                    continue; 
-                } 
- 
-                if (!CancelTransferring(exportInfo, itemIdx)) { 
-                    const TTxId txId = GetActiveBackupTxId(exportInfo, itemIdx); 
- 
-                    if (txId == InvalidTxId) { 
-                        item.State = EState::Cancelled; 
-                    } else { 
-                        item.WaitTxId = txId; 
-                        CancelTransferring(exportInfo, itemIdx); 
-                    } 
- 
-                    Self->PersistExportItemState(db, exportInfo, itemIdx); 
-                } 
-            } 
- 
-            Self->PersistExportState(db, exportInfo); 
-            SendNotificationsIfFinished(exportInfo); 
-            break; 
- 
-        case EState::Dropping: 
-            if (!exportInfo->AllItemsAreDropped()) { 
-                for (ui32 itemIdx : xrange(exportInfo->Items.size())) { 
-                    const auto& item = exportInfo->Items.at(itemIdx); 
- 
-                    if (item.State != EState::Dropping) { 
-                        continue; 
-                    } 
- 
-                    if (item.WaitTxId == InvalidTxId) { 
-                        exportInfo->PendingDropItems.push_back(itemIdx); 
-                        AllocateTxId(exportInfo, itemIdx); 
-                    } else { 
-                        SubscribeTx(exportInfo, itemIdx); 
-                    } 
-                } 
-            } else { 
-                if (exportInfo->WaitTxId == InvalidTxId) { 
-                    AllocateTxId(exportInfo); 
-                } else { 
-                    SubscribeTx(exportInfo); 
-                } 
-            } 
-            break; 
- 
-        default: 
-            break; 
-        } 
-    } 
- 
-    void OnAllocateResult(TTransactionContext&, const TActorContext&) { 
-        Y_VERIFY(AllocateResult); 
- 
+            return InvalidTxId;
+        }
+
+        return path->LastTxId;
+    }
+
+    void Cancel(TExportInfo::TPtr exportInfo, ui32 itemIdx, TStringBuf marker) {
+        Y_VERIFY(itemIdx < exportInfo->Items.size());
+        const auto& item = exportInfo->Items.at(itemIdx);
+
+        LOG_N("TExport::TTxProgress: " << marker << ", cancelling"
+            << ", info# " << exportInfo->ToString()
+            << ", item# " << item.ToString(itemIdx));
+
+        exportInfo->State = EState::Cancelled;
+
+        for (ui32 i : xrange(exportInfo->Items.size())) {
+            if (i == itemIdx) {
+                continue;
+            }
+
+            if (exportInfo->Items.at(i).State != EState::Transferring) {
+                continue;
+            }
+
+            CancelTransferring(exportInfo, i);
+        }
+    }
+
+    TMaybe<TString> GetIssues(const TPathId& itemPathId, TTxId backupTxId) {
+        if (!Self->Tables.contains(itemPathId)) {
+            return TStringBuilder() << "Cannot find table: " << itemPathId;
+        }
+
+        TTableInfo::TPtr table = Self->Tables.at(itemPathId);
+        if (!table->BackupHistory.contains(backupTxId)) {
+            return TStringBuilder() << "Cannot find backup: " << backupTxId << " for table: " << itemPathId;
+        }
+
+        const auto& result = table->BackupHistory.at(backupTxId);
+        if (result.TotalShardCount == result.SuccessShardCount) {
+            return Nothing();
+        }
+
+        TStringBuilder output;
+        bool first = true;
+
+        for (const auto& [shardId, status] : result.ShardStatuses) {
+            if (status.Success) {
+                continue;
+            }
+
+            if (output.size() > IssuesSizeLimit) {
+                output << "... <truncated>";
+                break;
+            }
+
+            if (!first) {
+                output << ", ";
+            }
+            first = false;
+
+            output << "shard: " << shardId << ", error: " << status.Error;
+        }
+
+        return output;
+    }
+
+    void Resume(TTransactionContext& txc, const TActorContext&) {
+        Y_VERIFY(Self->Exports.contains(Id));
+        TExportInfo::TPtr exportInfo = Self->Exports.at(Id);
+
+        LOG_D("TExport::TTxProgress: Resume"
+            << ": id# " << Id);
+
+        NIceDb::TNiceDb db(txc.DB);
+
+        switch (exportInfo->State) {
+        case EState::CreateExportDir:
+        case EState::CopyTables:
+            if (exportInfo->WaitTxId == InvalidTxId) {
+                AllocateTxId(exportInfo);
+            } else {
+                SubscribeTx(exportInfo);
+            }
+            break;
+
+        case EState::Transferring:
+            for (ui32 itemIdx : xrange(exportInfo->Items.size())) {
+                const auto& item = exportInfo->Items.at(itemIdx);
+
+                if (item.WaitTxId == InvalidTxId) {
+                    AllocateTxId(exportInfo, itemIdx);
+                } else {
+                    SubscribeTx(exportInfo, itemIdx);
+                }
+            }
+            break;
+
+        case EState::Cancellation:
+            exportInfo->State = EState::Cancelled;
+            // will be switched back to Cancellation if there is any active backup tx
+            for (ui32 itemIdx : xrange(exportInfo->Items.size())) {
+                auto& item = exportInfo->Items.at(itemIdx);
+
+                if (item.State != EState::Transferring) {
+                    continue;
+                }
+
+                if (!CancelTransferring(exportInfo, itemIdx)) {
+                    const TTxId txId = GetActiveBackupTxId(exportInfo, itemIdx);
+
+                    if (txId == InvalidTxId) {
+                        item.State = EState::Cancelled;
+                    } else {
+                        item.WaitTxId = txId;
+                        CancelTransferring(exportInfo, itemIdx);
+                    }
+
+                    Self->PersistExportItemState(db, exportInfo, itemIdx);
+                }
+            }
+
+            Self->PersistExportState(db, exportInfo);
+            SendNotificationsIfFinished(exportInfo);
+            break;
+
+        case EState::Dropping:
+            if (!exportInfo->AllItemsAreDropped()) {
+                for (ui32 itemIdx : xrange(exportInfo->Items.size())) {
+                    const auto& item = exportInfo->Items.at(itemIdx);
+
+                    if (item.State != EState::Dropping) {
+                        continue;
+                    }
+
+                    if (item.WaitTxId == InvalidTxId) {
+                        exportInfo->PendingDropItems.push_back(itemIdx);
+                        AllocateTxId(exportInfo, itemIdx);
+                    } else {
+                        SubscribeTx(exportInfo, itemIdx);
+                    }
+                }
+            } else {
+                if (exportInfo->WaitTxId == InvalidTxId) {
+                    AllocateTxId(exportInfo);
+                } else {
+                    SubscribeTx(exportInfo);
+                }
+            }
+            break;
+
+        default:
+            break;
+        }
+    }
+
+    void OnAllocateResult(TTransactionContext&, const TActorContext&) {
+        Y_VERIFY(AllocateResult);
+
         const auto txId = TTxId(AllocateResult->Get()->TxIds.front());
-        const ui64 id = AllocateResult->Cookie; 
- 
-        LOG_D("TExport::TTxProgress: OnAllocateResult" 
-            << ": txId# " << txId 
-            << ", id# " << id); 
- 
-        if (!Self->Exports.contains(id)) { 
-            LOG_E("TExport::TTxProgress: OnAllocateResult received unknown id" 
-                << ": id# " << id); 
-            return; 
-        } 
- 
-        TExportInfo::TPtr exportInfo = Self->Exports.at(id); 
-        ui32 itemIdx = Max<ui32>(); 
- 
-        auto popPendingItemIdx = [](TDeque<ui32>& pendingItems) { 
-            const ui32 itemIdx = pendingItems.front(); 
-            pendingItems.pop_front(); 
-            return itemIdx; 
-        }; 
- 
-        switch (exportInfo->State) { 
-        case EState::CreateExportDir: 
-            MkDir(exportInfo, txId); 
-            break; 
- 
-        case EState::CopyTables: 
-            CopyTables(exportInfo, txId); 
-            break; 
- 
-        case EState::Transferring: 
-            if (exportInfo->PendingItems) { 
-                itemIdx = popPendingItemIdx(exportInfo->PendingItems); 
-                TransferData(exportInfo, itemIdx, txId); 
-            } else { 
-                return; 
-            } 
-            break; 
- 
-        case EState::Dropping: 
-            if (exportInfo->PendingDropItems) { 
-                itemIdx = popPendingItemIdx(exportInfo->PendingDropItems); 
-                DropTable(exportInfo, itemIdx, txId); 
-            } else { 
-                DropDir(exportInfo, txId); 
-            } 
-            break; 
- 
-        default: 
-            return; 
-        } 
- 
-        Y_VERIFY(!Self->TxIdToExport.contains(txId)); 
-        Self->TxIdToExport[txId] = {exportInfo->Id, itemIdx}; 
-    } 
- 
-    void OnModifyResult(TTransactionContext& txc, const TActorContext& ctx) { 
-        Y_VERIFY(ModifyResult); 
-        const auto& record = ModifyResult->Get()->Record; 
- 
-        LOG_D("TExport::TTxProgress: OnModifyResult" 
-            << ": txId# " << record.GetTxId() 
-            << ", status# " << record.GetStatus()); 
-        LOG_T("Message:\n" << record.ShortDebugString()); 
- 
-        auto txId = TTxId(record.GetTxId()); 
-        if (!Self->TxIdToExport.contains(txId)) { 
-            LOG_E("TExport::TTxProgress: OnModifyResult received unknown txId" 
-                << ": txId# " << txId); 
-            return; 
-        } 
- 
-        ui64 id; 
-        ui32 itemIdx; 
-        std::tie(id, itemIdx) = Self->TxIdToExport.at(txId); 
-        if (!Self->Exports.contains(id)) { 
-            LOG_E("TExport::TTxProgress: OnModifyResult received unknown id" 
-                << ": id# " << id); 
-            return; 
-        } 
- 
-        TExportInfo::TPtr exportInfo = Self->Exports.at(id); 
-        NIceDb::TNiceDb db(txc.DB); 
- 
+        const ui64 id = AllocateResult->Cookie;
+
+        LOG_D("TExport::TTxProgress: OnAllocateResult"
+            << ": txId# " << txId
+            << ", id# " << id);
+
+        if (!Self->Exports.contains(id)) {
+            LOG_E("TExport::TTxProgress: OnAllocateResult received unknown id"
+                << ": id# " << id);
+            return;
+        }
+
+        TExportInfo::TPtr exportInfo = Self->Exports.at(id);
+        ui32 itemIdx = Max<ui32>();
+
+        auto popPendingItemIdx = [](TDeque<ui32>& pendingItems) {
+            const ui32 itemIdx = pendingItems.front();
+            pendingItems.pop_front();
+            return itemIdx;
+        };
+
+        switch (exportInfo->State) {
+        case EState::CreateExportDir:
+            MkDir(exportInfo, txId);
+            break;
+
+        case EState::CopyTables:
+            CopyTables(exportInfo, txId);
+            break;
+
+        case EState::Transferring:
+            if (exportInfo->PendingItems) {
+                itemIdx = popPendingItemIdx(exportInfo->PendingItems);
+                TransferData(exportInfo, itemIdx, txId);
+            } else {
+                return;
+            }
+            break;
+
+        case EState::Dropping:
+            if (exportInfo->PendingDropItems) {
+                itemIdx = popPendingItemIdx(exportInfo->PendingDropItems);
+                DropTable(exportInfo, itemIdx, txId);
+            } else {
+                DropDir(exportInfo, txId);
+            }
+            break;
+
+        default:
+            return;
+        }
+
+        Y_VERIFY(!Self->TxIdToExport.contains(txId));
+        Self->TxIdToExport[txId] = {exportInfo->Id, itemIdx};
+    }
+
+    void OnModifyResult(TTransactionContext& txc, const TActorContext& ctx) {
+        Y_VERIFY(ModifyResult);
+        const auto& record = ModifyResult->Get()->Record;
+
+        LOG_D("TExport::TTxProgress: OnModifyResult"
+            << ": txId# " << record.GetTxId()
+            << ", status# " << record.GetStatus());
+        LOG_T("Message:\n" << record.ShortDebugString());
+
+        auto txId = TTxId(record.GetTxId());
+        if (!Self->TxIdToExport.contains(txId)) {
+            LOG_E("TExport::TTxProgress: OnModifyResult received unknown txId"
+                << ": txId# " << txId);
+            return;
+        }
+
+        ui64 id;
+        ui32 itemIdx;
+        std::tie(id, itemIdx) = Self->TxIdToExport.at(txId);
+        if (!Self->Exports.contains(id)) {
+            LOG_E("TExport::TTxProgress: OnModifyResult received unknown id"
+                << ": id# " << id);
+            return;
+        }
+
+        TExportInfo::TPtr exportInfo = Self->Exports.at(id);
+        NIceDb::TNiceDb db(txc.DB);
+
         if (record.GetStatus() != NKikimrScheme::StatusAccepted) {
-            Self->TxIdToExport.erase(txId); 
-            txId = InvalidTxId; 
- 
-            const auto status = record.GetStatus(); 
+            Self->TxIdToExport.erase(txId);
+            txId = InvalidTxId;
+
+            const auto status = record.GetStatus();
             const bool isMultipleMods = status == NKikimrScheme::StatusMultipleModifications;
             const bool isAlreadyExists = status == NKikimrScheme::StatusAlreadyExists;
             const bool isNotExist = status == NKikimrScheme::StatusPathDoesNotExist;
- 
-            switch (exportInfo->State) { 
-            case EState::CreateExportDir: 
-            case EState::CopyTables: 
-                if (isMultipleMods || isAlreadyExists) { 
-                    if (record.GetPathCreateTxId()) { 
-                        txId = TTxId(record.GetPathCreateTxId()); 
-                    } else { 
-                        txId = GetActiveCopyingTxId(exportInfo); 
-                    } 
-                } 
-                break; 
- 
-            case EState::Transferring: 
-                if (isMultipleMods) { 
-                    txId = GetActiveBackupTxId(exportInfo, itemIdx); 
-                } 
-                break; 
- 
-            case EState::Dropping: 
-                if (isMultipleMods || isNotExist) { 
-                    if (record.GetPathDropTxId()) { 
+
+            switch (exportInfo->State) {
+            case EState::CreateExportDir:
+            case EState::CopyTables:
+                if (isMultipleMods || isAlreadyExists) {
+                    if (record.GetPathCreateTxId()) {
+                        txId = TTxId(record.GetPathCreateTxId());
+                    } else {
+                        txId = GetActiveCopyingTxId(exportInfo);
+                    }
+                }
+                break;
+
+            case EState::Transferring:
+                if (isMultipleMods) {
+                    txId = GetActiveBackupTxId(exportInfo, itemIdx);
+                }
+                break;
+
+            case EState::Dropping:
+                if (isMultipleMods || isNotExist) {
+                    if (record.GetPathDropTxId()) {
                         // We may need to wait for an earlier tx
-                        txId = TTxId(record.GetPathDropTxId()); 
+                        txId = TTxId(record.GetPathDropTxId());
                     } else if (isNotExist) {
                         // Already dropped and fully forgotten
                         txId = TTxId(record.GetTxId());
-                    } else { 
+                    } else {
                         // We need to wait and retry the operation
-                        txId = TTxId(record.GetTxId()); 
-                        THolder<IEventBase> ev; 
- 
-                        if (itemIdx < exportInfo->Items.size()) { 
-                            ev.Reset(DropPropose(Self, txId, exportInfo, itemIdx).Release()); 
-                        } else { 
-                            ev.Reset(DropPropose(Self, txId, exportInfo).Release()); 
-                        } 
- 
-                        ctx.TActivationContext::Schedule(TDuration::Seconds(10), 
-                            new IEventHandle(Self->SelfId(), Self->SelfId(), ev.Release())); 
-                        Self->TxIdToExport[txId] = {exportInfo->Id, itemIdx}; 
- 
-                        return; 
-                    } 
-                } 
-                break; 
- 
-            default: 
-                break; 
-            } 
- 
-            if (txId == InvalidTxId) { 
-                if (itemIdx < exportInfo->Items.size()) { 
-                    auto& item = exportInfo->Items.at(itemIdx); 
- 
-                    item.State = EState::Cancelled; 
-                    item.Issue = record.GetReason(); 
-                    Self->PersistExportItemState(db, exportInfo, itemIdx); 
- 
-                    if (!exportInfo->IsInProgress()) { 
-                        return; 
-                    } 
- 
-                    Cancel(exportInfo, itemIdx, "unhappy propose"); 
-                } else { 
-                    if (!exportInfo->IsInProgress()) { 
-                        return; 
-                    } 
- 
-                    exportInfo->Issue = record.GetReason(); 
-                    exportInfo->State = EState::Cancelled; 
-                } 
- 
-                Self->PersistExportState(db, exportInfo); 
-                return SendNotificationsIfFinished(exportInfo); 
-            } 
- 
-            Self->TxIdToExport[txId] = {exportInfo->Id, itemIdx}; 
-        } 
- 
-        switch (exportInfo->State) { 
-        case EState::CreateExportDir: 
+                        txId = TTxId(record.GetTxId());
+                        THolder<IEventBase> ev;
+
+                        if (itemIdx < exportInfo->Items.size()) {
+                            ev.Reset(DropPropose(Self, txId, exportInfo, itemIdx).Release());
+                        } else {
+                            ev.Reset(DropPropose(Self, txId, exportInfo).Release());
+                        }
+
+                        ctx.TActivationContext::Schedule(TDuration::Seconds(10),
+                            new IEventHandle(Self->SelfId(), Self->SelfId(), ev.Release()));
+                        Self->TxIdToExport[txId] = {exportInfo->Id, itemIdx};
+
+                        return;
+                    }
+                }
+                break;
+
+            default:
+                break;
+            }
+
+            if (txId == InvalidTxId) {
+                if (itemIdx < exportInfo->Items.size()) {
+                    auto& item = exportInfo->Items.at(itemIdx);
+
+                    item.State = EState::Cancelled;
+                    item.Issue = record.GetReason();
+                    Self->PersistExportItemState(db, exportInfo, itemIdx);
+
+                    if (!exportInfo->IsInProgress()) {
+                        return;
+                    }
+
+                    Cancel(exportInfo, itemIdx, "unhappy propose");
+                } else {
+                    if (!exportInfo->IsInProgress()) {
+                        return;
+                    }
+
+                    exportInfo->Issue = record.GetReason();
+                    exportInfo->State = EState::Cancelled;
+                }
+
+                Self->PersistExportState(db, exportInfo);
+                return SendNotificationsIfFinished(exportInfo);
+            }
+
+            Self->TxIdToExport[txId] = {exportInfo->Id, itemIdx};
+        }
+
+        switch (exportInfo->State) {
+        case EState::CreateExportDir:
             exportInfo->ExportPathId = Self->MakeLocalId(TLocalPathId(record.GetPathId()));
-            Self->PersistExportPathId(db, exportInfo); 
- 
-            exportInfo->WaitTxId = txId; 
-            Self->PersistExportState(db, exportInfo); 
-            break; 
- 
-        case EState::CopyTables: 
-            exportInfo->WaitTxId = txId; 
-            Self->PersistExportState(db, exportInfo); 
-            break; 
- 
-        case EState::Transferring: 
-            Y_VERIFY(itemIdx < exportInfo->Items.size()); 
-            exportInfo->Items.at(itemIdx).WaitTxId = txId; 
-            Self->PersistExportItemState(db, exportInfo, itemIdx); 
-            break; 
- 
-        case EState::Dropping: 
-            if (!exportInfo->AllItemsAreDropped()) { 
-                Y_VERIFY(itemIdx < exportInfo->Items.size()); 
-                exportInfo->Items.at(itemIdx).WaitTxId = txId; 
-                Self->PersistExportItemState(db, exportInfo, itemIdx); 
-            } else { 
-                exportInfo->WaitTxId = txId; 
-                Self->PersistExportState(db, exportInfo); 
-            } 
-            break; 
- 
-        case EState::Cancellation: 
-            if (itemIdx < exportInfo->Items.size()) { 
-                exportInfo->Items.at(itemIdx).WaitTxId = txId; 
-                Self->PersistExportItemState(db, exportInfo, itemIdx); 
- 
-                CancelTransferring(exportInfo, itemIdx); 
-            } 
-            return; 
- 
-        default: 
-            return; // no need to wait notification 
-        } 
- 
-        LOG_I("TExport::TTxProgress: Wait for completion" 
-            << ": info# " << exportInfo->ToString() 
-            << ", itemIdx# " << itemIdx 
-            << ", txId# " << txId); 
-        SubscribeTx(txId); 
-    } 
- 
-    void OnNotifyResult(TTransactionContext& txc, const TActorContext&) { 
-        Y_VERIFY(NotifyResult); 
-        const auto& record = NotifyResult->Get()->Record; 
- 
-        LOG_D("TExport::TTxProgress: OnNotifyResult" 
-            << ": txId# " << record.GetTxId()); 
- 
+            Self->PersistExportPathId(db, exportInfo);
+
+            exportInfo->WaitTxId = txId;
+            Self->PersistExportState(db, exportInfo);
+            break;
+
+        case EState::CopyTables:
+            exportInfo->WaitTxId = txId;
+            Self->PersistExportState(db, exportInfo);
+            break;
+
+        case EState::Transferring:
+            Y_VERIFY(itemIdx < exportInfo->Items.size());
+            exportInfo->Items.at(itemIdx).WaitTxId = txId;
+            Self->PersistExportItemState(db, exportInfo, itemIdx);
+            break;
+
+        case EState::Dropping:
+            if (!exportInfo->AllItemsAreDropped()) {
+                Y_VERIFY(itemIdx < exportInfo->Items.size());
+                exportInfo->Items.at(itemIdx).WaitTxId = txId;
+                Self->PersistExportItemState(db, exportInfo, itemIdx);
+            } else {
+                exportInfo->WaitTxId = txId;
+                Self->PersistExportState(db, exportInfo);
+            }
+            break;
+
+        case EState::Cancellation:
+            if (itemIdx < exportInfo->Items.size()) {
+                exportInfo->Items.at(itemIdx).WaitTxId = txId;
+                Self->PersistExportItemState(db, exportInfo, itemIdx);
+
+                CancelTransferring(exportInfo, itemIdx);
+            }
+            return;
+
+        default:
+            return; // no need to wait notification
+        }
+
+        LOG_I("TExport::TTxProgress: Wait for completion"
+            << ": info# " << exportInfo->ToString()
+            << ", itemIdx# " << itemIdx
+            << ", txId# " << txId);
+        SubscribeTx(txId);
+    }
+
+    void OnNotifyResult(TTransactionContext& txc, const TActorContext&) {
+        Y_VERIFY(NotifyResult);
+        const auto& record = NotifyResult->Get()->Record;
+
+        LOG_D("TExport::TTxProgress: OnNotifyResult"
+            << ": txId# " << record.GetTxId());
+
         const auto txId = TTxId(record.GetTxId());
-        if (!Self->TxIdToExport.contains(txId)) { 
-            LOG_E("TExport::TTxProgress: OnNotifyResult received unknown txId" 
-                << ": txId# " << txId); 
-            return; 
-        } 
- 
-        ui64 id; 
-        ui32 itemIdx; 
-        std::tie(id, itemIdx) = Self->TxIdToExport.at(txId); 
-        if (!Self->Exports.contains(id)) { 
-            LOG_E("TExport::TTxProgress: OnNotifyResult received unknown id" 
-                << ": id# " << id); 
-            return; 
-        } 
- 
-        Self->TxIdToExport.erase(txId); 
- 
-        TExportInfo::TPtr exportInfo = Self->Exports.at(id); 
-        NIceDb::TNiceDb db(txc.DB); 
- 
-        switch (exportInfo->State) { 
-        case EState::CreateExportDir: 
-            exportInfo->State = EState::CopyTables; 
-            exportInfo->WaitTxId = InvalidTxId; 
-            AllocateTxId(exportInfo); 
-            break; 
- 
-        case EState::CopyTables: 
-            exportInfo->State = EState::Transferring; 
-            exportInfo->WaitTxId = InvalidTxId; 
-            for (ui32 itemIdx : xrange(exportInfo->Items.size())) { 
-                exportInfo->Items.at(itemIdx).State = EState::Transferring; 
-                Self->PersistExportItemState(db, exportInfo, itemIdx); 
- 
-                AllocateTxId(exportInfo, itemIdx); 
-            } 
-            break; 
- 
-        case EState::Transferring: { 
-            Y_VERIFY(itemIdx < exportInfo->Items.size()); 
-            auto& item = exportInfo->Items.at(itemIdx); 
- 
-            item.State = EState::Done; 
-            item.WaitTxId = InvalidTxId; 
- 
-            if (const auto issue = GetIssues(ItemPathId(Self, exportInfo, itemIdx), txId)) { 
-                item.Issue = *issue; 
-                Cancel(exportInfo, itemIdx, "issues during backing up"); 
-            } else { 
-                if (AllOf(exportInfo->Items, &TExportInfo::TItem::IsDone)) { 
-                    exportInfo->State = EState::Done; 
-                } 
-            } 
- 
-            Self->PersistExportItemState(db, exportInfo, itemIdx); 
-            break; 
-        } 
- 
-        case EState::Dropping: 
-            if (!exportInfo->AllItemsAreDropped()) { 
-                Y_VERIFY(itemIdx < exportInfo->Items.size()); 
-                auto& item = exportInfo->Items.at(itemIdx); 
- 
-                item.State = EState::Dropped; 
-                item.WaitTxId = InvalidTxId; 
-                Self->PersistExportItemState(db, exportInfo, itemIdx); 
- 
-                if (exportInfo->AllItemsAreDropped()) { 
-                    AllocateTxId(exportInfo); 
-                } 
-            } else { 
-                SendNotificationsIfFinished(exportInfo, true); // for tests 
- 
-                if (exportInfo->Uid) { 
-                    Self->ExportsByUid.erase(exportInfo->Uid); 
-                } 
- 
-                Self->Exports.erase(exportInfo->Id); 
-                Self->PersistRemoveExport(db, exportInfo); 
-            } 
-            return; 
- 
-        default: 
+        if (!Self->TxIdToExport.contains(txId)) {
+            LOG_E("TExport::TTxProgress: OnNotifyResult received unknown txId"
+                << ": txId# " << txId);
+            return;
+        }
+
+        ui64 id;
+        ui32 itemIdx;
+        std::tie(id, itemIdx) = Self->TxIdToExport.at(txId);
+        if (!Self->Exports.contains(id)) {
+            LOG_E("TExport::TTxProgress: OnNotifyResult received unknown id"
+                << ": id# " << id);
+            return;
+        }
+
+        Self->TxIdToExport.erase(txId);
+
+        TExportInfo::TPtr exportInfo = Self->Exports.at(id);
+        NIceDb::TNiceDb db(txc.DB);
+
+        switch (exportInfo->State) {
+        case EState::CreateExportDir:
+            exportInfo->State = EState::CopyTables;
+            exportInfo->WaitTxId = InvalidTxId;
+            AllocateTxId(exportInfo);
+            break;
+
+        case EState::CopyTables:
+            exportInfo->State = EState::Transferring;
+            exportInfo->WaitTxId = InvalidTxId;
+            for (ui32 itemIdx : xrange(exportInfo->Items.size())) {
+                exportInfo->Items.at(itemIdx).State = EState::Transferring;
+                Self->PersistExportItemState(db, exportInfo, itemIdx);
+
+                AllocateTxId(exportInfo, itemIdx);
+            }
+            break;
+
+        case EState::Transferring: {
+            Y_VERIFY(itemIdx < exportInfo->Items.size());
+            auto& item = exportInfo->Items.at(itemIdx);
+
+            item.State = EState::Done;
+            item.WaitTxId = InvalidTxId;
+
+            if (const auto issue = GetIssues(ItemPathId(Self, exportInfo, itemIdx), txId)) {
+                item.Issue = *issue;
+                Cancel(exportInfo, itemIdx, "issues during backing up");
+            } else {
+                if (AllOf(exportInfo->Items, &TExportInfo::TItem::IsDone)) {
+                    exportInfo->State = EState::Done;
+                }
+            }
+
+            Self->PersistExportItemState(db, exportInfo, itemIdx);
+            break;
+        }
+
+        case EState::Dropping:
+            if (!exportInfo->AllItemsAreDropped()) {
+                Y_VERIFY(itemIdx < exportInfo->Items.size());
+                auto& item = exportInfo->Items.at(itemIdx);
+
+                item.State = EState::Dropped;
+                item.WaitTxId = InvalidTxId;
+                Self->PersistExportItemState(db, exportInfo, itemIdx);
+
+                if (exportInfo->AllItemsAreDropped()) {
+                    AllocateTxId(exportInfo);
+                }
+            } else {
+                SendNotificationsIfFinished(exportInfo, true); // for tests
+
+                if (exportInfo->Uid) {
+                    Self->ExportsByUid.erase(exportInfo->Uid);
+                }
+
+                Self->Exports.erase(exportInfo->Id);
+                Self->PersistRemoveExport(db, exportInfo);
+            }
+            return;
+
+        default:
             return SendNotificationsIfFinished(exportInfo);
-        } 
- 
-        Self->PersistExportState(db, exportInfo); 
-        SendNotificationsIfFinished(exportInfo); 
-    } 
- 
-}; // TTxProgress 
- 
+        }
+
+        Self->PersistExportState(db, exportInfo);
+        SendNotificationsIfFinished(exportInfo);
+    }
+
+}; // TTxProgress
+
 ITransaction* TSchemeShard::CreateTxCreateExport(TEvExport::TEvCreateExportRequest::TPtr& ev) {
-    return new TExport::TTxCreate(this, ev); 
-} 
- 
+    return new TExport::TTxCreate(this, ev);
+}
+
 ITransaction* TSchemeShard::CreateTxProgressExport(ui64 id) {
-    return new TExport::TTxProgress(this, id); 
-} 
- 
+    return new TExport::TTxProgress(this, id);
+}
+
 ITransaction* TSchemeShard::CreateTxProgressExport(TEvTxAllocatorClient::TEvAllocateResult::TPtr& ev) {
-    return new TExport::TTxProgress(this, ev); 
-} 
- 
+    return new TExport::TTxProgress(this, ev);
+}
+
 ITransaction* TSchemeShard::CreateTxProgressExport(TEvSchemeShard::TEvModifySchemeTransactionResult::TPtr& ev) {
-    return new TExport::TTxProgress(this, ev); 
-} 
- 
+    return new TExport::TTxProgress(this, ev);
+}
+
 ITransaction* TSchemeShard::CreateTxProgressExport(TEvSchemeShard::TEvNotifyTxCompletionResult::TPtr& ev) {
-    return new TExport::TTxProgress(this, ev); 
-} 
- 
+    return new TExport::TTxProgress(this, ev);
+}
+
 } // NSchemeShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard_export__forget.cpp b/ydb/core/tx/schemeshard/schemeshard_export__forget.cpp
index f196cb9104..cef8f9f300 100644
--- a/ydb/core/tx/schemeshard/schemeshard_export__forget.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard_export__forget.cpp
@@ -1,118 +1,118 @@
-#include "schemeshard_xxport__tx_base.h" 
-#include "schemeshard_export_flow_proposals.h" 
-#include "schemeshard_export_helpers.h" 
-#include "schemeshard_export.h" 
-#include "schemeshard_impl.h" 
- 
+#include "schemeshard_xxport__tx_base.h"
+#include "schemeshard_export_flow_proposals.h"
+#include "schemeshard_export_helpers.h"
+#include "schemeshard_export.h"
+#include "schemeshard_impl.h"
+
 #include <ydb/public/api/protos/ydb_issue_message.pb.h>
 #include <ydb/public/api/protos/ydb_status_codes.pb.h>
- 
-#include <util/generic/ptr.h> 
- 
-namespace NKikimr { 
+
+#include <util/generic/ptr.h>
+
+namespace NKikimr {
 namespace NSchemeShard {
- 
-using namespace NTabletFlatExecutor; 
- 
+
+using namespace NTabletFlatExecutor;
+
 struct TSchemeShard::TExport::TTxForget: public TSchemeShard::TXxport::TTxBase {
-    TEvExport::TEvForgetExportRequest::TPtr Request; 
-    bool Progress; 
- 
-    explicit TTxForget(TSelf *self, TEvExport::TEvForgetExportRequest::TPtr& ev) 
-        : TXxport::TTxBase(self) 
-        , Request(ev) 
-        , Progress(false) 
-    { 
-    } 
- 
-    TTxType GetTxType() const override { 
-        return TXTYPE_FORGET_EXPORT; 
-    } 
- 
-    bool DoExecute(TTransactionContext& txc, const TActorContext&) override { 
-        const auto& request = Request->Get()->Record; 
- 
-        auto response = MakeHolder<TEvExport::TEvForgetExportResponse>(request.GetTxId()); 
-        auto& forget = *response->Record.MutableResponse(); 
- 
-        auto it = Self->Exports.find(request.GetRequest().GetId()); 
-        if (it == Self->Exports.end() || !IsSameDomain(it->second, request.GetDatabaseName())) { 
-            forget.SetStatus(Ydb::StatusIds::NOT_FOUND); 
- 
-            Send(Request->Sender, std::move(response), 0, Request->Cookie); 
-            return true; 
-        } 
- 
-        TExportInfo::TPtr exportInfo = it->second; 
- 
-        if (!exportInfo->IsValid()) { 
-            forget.SetStatus(Ydb::StatusIds::UNDETERMINED); 
- 
-            Send(Request->Sender, std::move(response), 0, Request->Cookie); 
-            return true; 
-        } 
- 
-        if (exportInfo->IsInProgress()) { 
-            forget.SetStatus(Ydb::StatusIds::PRECONDITION_FAILED); 
-            AddIssue(forget, "Export operation is in progress"); 
- 
-            Send(Request->Sender, std::move(response), 0, Request->Cookie); 
-            return true; 
-        } 
- 
-        Y_VERIFY(exportInfo->IsFinished()); 
-        NIceDb::TNiceDb db(txc.DB); 
- 
-        const TPath exportPath = TPath::Init(exportInfo->ExportPathId, Self); 
-        if (!exportPath.IsResolved()) { 
-            SendNotificationsIfFinished(exportInfo, true); // for tests 
- 
-            if (exportInfo->Uid) { 
-                Self->ExportsByUid.erase(exportInfo->Uid); 
-            } 
- 
-            Self->Exports.erase(exportInfo->Id); 
-            Self->PersistRemoveExport(db, exportInfo); 
-        } else { 
-            exportInfo->WaitTxId = InvalidTxId; 
-            exportInfo->State = TExportInfo::EState::Dropping; 
-            Self->PersistExportState(db, exportInfo); 
- 
-            for (ui32 itemIdx : xrange(exportInfo->Items.size())) { 
-                auto& item = exportInfo->Items.at(itemIdx); 
- 
-                item.WaitTxId = InvalidTxId; 
-                item.State = TExportInfo::EState::Dropped; 
- 
-                const TPath itemPath = TPath::Resolve(ExportItemPathName(Self, exportInfo, itemIdx), Self); 
-                if (itemPath.IsResolved() && !itemPath.IsDeleted()) { 
-                    item.State = TExportInfo::EState::Dropping; 
-                } 
- 
-                Self->PersistExportItemState(db, exportInfo, itemIdx); 
-            } 
- 
-            Progress = true; 
-        } 
- 
-        forget.SetStatus(Ydb::StatusIds::SUCCESS); 
-        Send(Request->Sender, std::move(response), 0, Request->Cookie); 
- 
-        return true; 
-    } 
- 
-    void DoComplete(const TActorContext& ctx) override { 
-        if (Progress) { 
-            const ui64 id = Request->Get()->Record.GetRequest().GetId(); 
-            Self->Execute(Self->CreateTxProgressExport(id), ctx); 
-        } 
-    } 
- 
-}; // TTxForget 
- 
+    TEvExport::TEvForgetExportRequest::TPtr Request;
+    bool Progress;
+
+    explicit TTxForget(TSelf *self, TEvExport::TEvForgetExportRequest::TPtr& ev)
+        : TXxport::TTxBase(self)
+        , Request(ev)
+        , Progress(false)
+    {
+    }
+
+    TTxType GetTxType() const override {
+        return TXTYPE_FORGET_EXPORT;
+    }
+
+    bool DoExecute(TTransactionContext& txc, const TActorContext&) override {
+        const auto& request = Request->Get()->Record;
+
+        auto response = MakeHolder<TEvExport::TEvForgetExportResponse>(request.GetTxId());
+        auto& forget = *response->Record.MutableResponse();
+
+        auto it = Self->Exports.find(request.GetRequest().GetId());
+        if (it == Self->Exports.end() || !IsSameDomain(it->second, request.GetDatabaseName())) {
+            forget.SetStatus(Ydb::StatusIds::NOT_FOUND);
+
+            Send(Request->Sender, std::move(response), 0, Request->Cookie);
+            return true;
+        }
+
+        TExportInfo::TPtr exportInfo = it->second;
+
+        if (!exportInfo->IsValid()) {
+            forget.SetStatus(Ydb::StatusIds::UNDETERMINED);
+
+            Send(Request->Sender, std::move(response), 0, Request->Cookie);
+            return true;
+        }
+
+        if (exportInfo->IsInProgress()) {
+            forget.SetStatus(Ydb::StatusIds::PRECONDITION_FAILED);
+            AddIssue(forget, "Export operation is in progress");
+
+            Send(Request->Sender, std::move(response), 0, Request->Cookie);
+            return true;
+        }
+
+        Y_VERIFY(exportInfo->IsFinished());
+        NIceDb::TNiceDb db(txc.DB);
+
+        const TPath exportPath = TPath::Init(exportInfo->ExportPathId, Self);
+        if (!exportPath.IsResolved()) {
+            SendNotificationsIfFinished(exportInfo, true); // for tests
+
+            if (exportInfo->Uid) {
+                Self->ExportsByUid.erase(exportInfo->Uid);
+            }
+
+            Self->Exports.erase(exportInfo->Id);
+            Self->PersistRemoveExport(db, exportInfo);
+        } else {
+            exportInfo->WaitTxId = InvalidTxId;
+            exportInfo->State = TExportInfo::EState::Dropping;
+            Self->PersistExportState(db, exportInfo);
+
+            for (ui32 itemIdx : xrange(exportInfo->Items.size())) {
+                auto& item = exportInfo->Items.at(itemIdx);
+
+                item.WaitTxId = InvalidTxId;
+                item.State = TExportInfo::EState::Dropped;
+
+                const TPath itemPath = TPath::Resolve(ExportItemPathName(Self, exportInfo, itemIdx), Self);
+                if (itemPath.IsResolved() && !itemPath.IsDeleted()) {
+                    item.State = TExportInfo::EState::Dropping;
+                }
+
+                Self->PersistExportItemState(db, exportInfo, itemIdx);
+            }
+
+            Progress = true;
+        }
+
+        forget.SetStatus(Ydb::StatusIds::SUCCESS);
+        Send(Request->Sender, std::move(response), 0, Request->Cookie);
+
+        return true;
+    }
+
+    void DoComplete(const TActorContext& ctx) override {
+        if (Progress) {
+            const ui64 id = Request->Get()->Record.GetRequest().GetId();
+            Self->Execute(Self->CreateTxProgressExport(id), ctx);
+        }
+    }
+
+}; // TTxForget
+
 ITransaction* TSchemeShard::CreateTxForgetExport(TEvExport::TEvForgetExportRequest::TPtr& ev) {
-    return new TExport::TTxForget(this, ev); 
-} 
- 
+    return new TExport::TTxForget(this, ev);
+}
+
 } // NSchemeShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard_export__get.cpp b/ydb/core/tx/schemeshard/schemeshard_export__get.cpp
index 900312e544..c90249bb17 100644
--- a/ydb/core/tx/schemeshard/schemeshard_export__get.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard_export__get.cpp
@@ -1,31 +1,31 @@
-#include "schemeshard_xxport__get.h" 
-#include "schemeshard_export.h" 
- 
-namespace NKikimr { 
+#include "schemeshard_xxport__get.h"
+#include "schemeshard_export.h"
+
+namespace NKikimr {
 namespace NSchemeShard {
- 
-using namespace NTabletFlatExecutor; 
- 
+
+using namespace NTabletFlatExecutor;
+
 struct TSchemeShard::TExport::TTxGet: public TSchemeShard::TXxport::TTxGet<
-        TExportInfo, 
-        TEvExport::TEvGetExportRequest, 
-        TEvExport::TEvGetExportResponse 
-> { 
-    using TTxGetBase::TTxGetBase; 
- 
-    TTxType GetTxType() const override { 
-        return TXTYPE_GET_EXPORT; 
-    } 
- 
-    bool DoExecute(TTransactionContext& txc, const TActorContext& ctx) override { 
-        return DoExecuteImpl(Self->Exports, txc, ctx); 
-    } 
- 
-}; // TTxGet 
- 
+        TExportInfo,
+        TEvExport::TEvGetExportRequest,
+        TEvExport::TEvGetExportResponse
+> {
+    using TTxGetBase::TTxGetBase;
+
+    TTxType GetTxType() const override {
+        return TXTYPE_GET_EXPORT;
+    }
+
+    bool DoExecute(TTransactionContext& txc, const TActorContext& ctx) override {
+        return DoExecuteImpl(Self->Exports, txc, ctx);
+    }
+
+}; // TTxGet
+
 ITransaction* TSchemeShard::CreateTxGetExport(TEvExport::TEvGetExportRequest::TPtr& ev) {
-    return new TExport::TTxGet(this, ev); 
-} 
- 
+    return new TExport::TTxGet(this, ev);
+}
+
 } // NSchemeShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard_export__list.cpp b/ydb/core/tx/schemeshard/schemeshard_export__list.cpp
index 032a632d54..595f7d7090 100644
--- a/ydb/core/tx/schemeshard/schemeshard_export__list.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard_export__list.cpp
@@ -1,42 +1,42 @@
-#include "schemeshard_xxport__list.h" 
-#include "schemeshard_export.h" 
- 
-namespace NKikimr { 
+#include "schemeshard_xxport__list.h"
+#include "schemeshard_export.h"
+
+namespace NKikimr {
 namespace NSchemeShard {
- 
-using namespace NTabletFlatExecutor; 
- 
+
+using namespace NTabletFlatExecutor;
+
 struct TSchemeShard::TExport::TTxList: public TSchemeShard::TXxport::TTxList<
-        TExportInfo, 
-        TEvExport::TEvListExportsRequest, 
-        TEvExport::TEvListExportsResponse, 
+        TExportInfo,
+        TEvExport::TEvListExportsRequest,
+        TEvExport::TEvListExportsResponse,
         TSchemeShard::TExport::TTxList
-> { 
-    using TTxListBase::TTxListBase; 
- 
-    TTxType GetTxType() const override { 
-        return TXTYPE_LIST_EXPORTS; 
-    } 
- 
-    static bool TryParseKind(const TString& str, TExportInfo::EKind& parsed) { 
-        if (str == "export/s3") { 
-            parsed = TExportInfo::EKind::S3; 
-        } else { // fallback to yt 
-            parsed = TExportInfo::EKind::YT; 
-        } 
- 
-        return true; 
-    } 
- 
-    bool DoExecute(TTransactionContext& txc, const TActorContext& ctx) override { 
-        return DoExecuteImpl(Self->Exports, txc, ctx); 
-    } 
- 
-}; // TTxList 
- 
+> {
+    using TTxListBase::TTxListBase;
+
+    TTxType GetTxType() const override {
+        return TXTYPE_LIST_EXPORTS;
+    }
+
+    static bool TryParseKind(const TString& str, TExportInfo::EKind& parsed) {
+        if (str == "export/s3") {
+            parsed = TExportInfo::EKind::S3;
+        } else { // fallback to yt
+            parsed = TExportInfo::EKind::YT;
+        }
+
+        return true;
+    }
+
+    bool DoExecute(TTransactionContext& txc, const TActorContext& ctx) override {
+        return DoExecuteImpl(Self->Exports, txc, ctx);
+    }
+
+}; // TTxList
+
 ITransaction* TSchemeShard::CreateTxListExports(TEvExport::TEvListExportsRequest::TPtr& ev) {
-    return new TExport::TTxList(this, ev); 
-} 
- 
+    return new TExport::TTxList(this, ev);
+}
+
 } // NSchemeShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard_export_flow_proposals.cpp b/ydb/core/tx/schemeshard/schemeshard_export_flow_proposals.cpp
index a2e7be1edf..17223ef5a5 100644
--- a/ydb/core/tx/schemeshard/schemeshard_export_flow_proposals.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard_export_flow_proposals.cpp
@@ -1,221 +1,221 @@
-#include "schemeshard_export_flow_proposals.h" 
-#include "schemeshard_path_describer.h" 
- 
-#include <util/string/builder.h> 
-#include <util/string/cast.h> 
- 
-namespace NKikimr { 
+#include "schemeshard_export_flow_proposals.h"
+#include "schemeshard_path_describer.h"
+
+#include <util/string/builder.h>
+#include <util/string/cast.h>
+
+namespace NKikimr {
 namespace NSchemeShard {
- 
+
 THolder<TEvSchemeShard::TEvModifySchemeTransaction> MkDirPropose(
     TSchemeShard* ss,
-    TTxId txId, 
-    const TExportInfo::TPtr exportInfo 
-) { 
+    TTxId txId,
+    const TExportInfo::TPtr exportInfo
+) {
     auto propose = MakeHolder<TEvSchemeShard::TEvModifySchemeTransaction>(ui64(txId), ss->TabletID());
-    auto& record = propose->Record; 
- 
-    if (exportInfo->UserSID) { 
-        record.SetOwner(*exportInfo->UserSID); 
-    } 
- 
+    auto& record = propose->Record;
+
+    if (exportInfo->UserSID) {
+        record.SetOwner(*exportInfo->UserSID);
+    }
+
     auto& modifyScheme = *record.AddTransaction();
     modifyScheme.SetOperationType(NKikimrSchemeOp::ESchemeOpMkDir);
     modifyScheme.SetInternal(true);
- 
-    const TPath domainPath = TPath::Init(exportInfo->DomainPathId, ss); 
-    modifyScheme.SetWorkingDir(domainPath.PathString()); 
- 
-    auto& mkDir = *modifyScheme.MutableMkDir(); 
-    mkDir.SetName(Sprintf("export-%" PRIu64, exportInfo->Id)); 
- 
-    return propose; 
-} 
- 
+
+    const TPath domainPath = TPath::Init(exportInfo->DomainPathId, ss);
+    modifyScheme.SetWorkingDir(domainPath.PathString());
+
+    auto& mkDir = *modifyScheme.MutableMkDir();
+    mkDir.SetName(Sprintf("export-%" PRIu64, exportInfo->Id));
+
+    return propose;
+}
+
 THolder<TEvSchemeShard::TEvModifySchemeTransaction> CopyTablesPropose(
     TSchemeShard* ss,
-    TTxId txId, 
-    const TExportInfo::TPtr exportInfo 
-) { 
+    TTxId txId,
+    const TExportInfo::TPtr exportInfo
+) {
     auto propose = MakeHolder<TEvSchemeShard::TEvModifySchemeTransaction>(ui64(txId), ss->TabletID());
-    auto& record = propose->Record; 
- 
-    if (exportInfo->UserSID) { 
-        record.SetOwner(*exportInfo->UserSID); 
-    } 
- 
+    auto& record = propose->Record;
+
+    if (exportInfo->UserSID) {
+        record.SetOwner(*exportInfo->UserSID);
+    }
+
     auto& modifyScheme = *record.AddTransaction();
     modifyScheme.SetOperationType(NKikimrSchemeOp::ESchemeOpCreateConsistentCopyTables);
     modifyScheme.SetInternal(true);
- 
-    auto& copyTables = *modifyScheme.MutableCreateConsistentCopyTables()->MutableCopyTableDescriptions(); 
-    copyTables.Reserve(exportInfo->Items.size()); 
- 
-    const TPath exportPath = TPath::Init(exportInfo->ExportPathId, ss); 
-    const TString& exportPathName = exportPath.PathString(); 
- 
-    for (ui32 itemIdx : xrange(exportInfo->Items.size())) { 
-        const auto& item = exportInfo->Items.at(itemIdx); 
- 
-        auto& desc = *copyTables.Add(); 
-        desc.SetSrcPath(item.SourcePathName); 
-        desc.SetDstPath(ExportItemPathName(exportPathName, itemIdx)); 
-        desc.SetOmitIndexes(true); 
+
+    auto& copyTables = *modifyScheme.MutableCreateConsistentCopyTables()->MutableCopyTableDescriptions();
+    copyTables.Reserve(exportInfo->Items.size());
+
+    const TPath exportPath = TPath::Init(exportInfo->ExportPathId, ss);
+    const TString& exportPathName = exportPath.PathString();
+
+    for (ui32 itemIdx : xrange(exportInfo->Items.size())) {
+        const auto& item = exportInfo->Items.at(itemIdx);
+
+        auto& desc = *copyTables.Add();
+        desc.SetSrcPath(item.SourcePathName);
+        desc.SetDstPath(ExportItemPathName(exportPathName, itemIdx));
+        desc.SetOmitIndexes(true);
         desc.SetOmitFollowers(true);
-        desc.SetIsBackup(true); 
-    } 
- 
-    return propose; 
-} 
- 
+        desc.SetIsBackup(true);
+    }
+
+    return propose;
+}
+
 static NKikimrSchemeOp::TPathDescription GetTableDescription(TSchemeShard* ss, const TPathId& pathId) {
     NKikimrSchemeOp::TDescribeOptions opts;
-    opts.SetReturnPartitioningInfo(false); 
-    opts.SetReturnPartitionConfig(true); 
-    opts.SetReturnBoundaries(true); 
- 
-    auto desc = DescribePath(ss, TlsActivationContext->AsActorContext(), pathId, opts); 
-    auto record = desc->GetRecord(); 
- 
-    return record.GetPathDescription(); 
-} 
- 
+    opts.SetReturnPartitioningInfo(false);
+    opts.SetReturnPartitionConfig(true);
+    opts.SetReturnBoundaries(true);
+
+    auto desc = DescribePath(ss, TlsActivationContext->AsActorContext(), pathId, opts);
+    auto record = desc->GetRecord();
+
+    return record.GetPathDescription();
+}
+
 THolder<TEvSchemeShard::TEvModifySchemeTransaction> BackupPropose(
     TSchemeShard* ss,
-    TTxId txId, 
-    const TExportInfo::TPtr exportInfo, 
-    ui32 itemIdx 
-) { 
-    Y_VERIFY(itemIdx < exportInfo->Items.size()); 
- 
+    TTxId txId,
+    const TExportInfo::TPtr exportInfo,
+    ui32 itemIdx
+) {
+    Y_VERIFY(itemIdx < exportInfo->Items.size());
+
     auto propose = MakeHolder<TEvSchemeShard::TEvModifySchemeTransaction>(ui64(txId), ss->TabletID());
- 
+
     auto& modifyScheme = *propose->Record.AddTransaction();
     modifyScheme.SetOperationType(NKikimrSchemeOp::ESchemeOpBackup);
     modifyScheme.SetInternal(true);
- 
-    const TPath exportPath = TPath::Init(exportInfo->ExportPathId, ss); 
-    const TString& exportPathName = exportPath.PathString(); 
-    modifyScheme.SetWorkingDir(exportPathName); 
- 
-    auto& task = *modifyScheme.MutableBackup(); 
-    task.SetTableName(ToString(itemIdx)); 
-    task.SetNeedToBill(!exportInfo->UserSID || !ss->SystemBackupSIDs.contains(*exportInfo->UserSID)); 
- 
-    const TPath sourcePath = TPath::Init(exportInfo->Items[itemIdx].SourcePathId, ss); 
-    if (sourcePath.IsResolved()) { 
-        task.MutableTable()->CopyFrom(GetTableDescription(ss, sourcePath.Base()->PathId)); 
-    } 
- 
-    switch (exportInfo->Kind) { 
-    case TExportInfo::EKind::YT: 
-        { 
-            Ydb::Export::ExportToYtSettings exportSettings; 
-            Y_VERIFY(exportSettings.ParseFromString(exportInfo->Settings)); 
- 
-            task.SetNumberOfRetries(exportSettings.number_of_retries()); 
-            auto& backupSettings = *task.MutableYTSettings(); 
-            backupSettings.SetHost(exportSettings.host()); 
-            backupSettings.SetPort(exportSettings.port()); 
-            backupSettings.SetToken(exportSettings.token()); 
-            backupSettings.SetTablePattern(exportSettings.items(itemIdx).destination_path()); 
-            backupSettings.SetUseTypeV3(exportSettings.use_type_v3()); 
-        } 
-        break; 
- 
-    case TExportInfo::EKind::S3: 
-        { 
-            Ydb::Export::ExportToS3Settings exportSettings; 
-            Y_VERIFY(exportSettings.ParseFromString(exportInfo->Settings)); 
- 
-            task.SetNumberOfRetries(exportSettings.number_of_retries()); 
-            auto& backupSettings = *task.MutableS3Settings(); 
-            backupSettings.SetEndpoint(exportSettings.endpoint()); 
-            backupSettings.SetBucket(exportSettings.bucket()); 
-            backupSettings.SetAccessKey(exportSettings.access_key()); 
-            backupSettings.SetSecretKey(exportSettings.secret_key()); 
-            backupSettings.SetObjectKeyPattern(exportSettings.items(itemIdx).destination_prefix()); 
-            backupSettings.SetStorageClass(exportSettings.storage_class()); 
- 
-            switch (exportSettings.scheme()) { 
-            case Ydb::Export::ExportToS3Settings::HTTP: 
+
+    const TPath exportPath = TPath::Init(exportInfo->ExportPathId, ss);
+    const TString& exportPathName = exportPath.PathString();
+    modifyScheme.SetWorkingDir(exportPathName);
+
+    auto& task = *modifyScheme.MutableBackup();
+    task.SetTableName(ToString(itemIdx));
+    task.SetNeedToBill(!exportInfo->UserSID || !ss->SystemBackupSIDs.contains(*exportInfo->UserSID));
+
+    const TPath sourcePath = TPath::Init(exportInfo->Items[itemIdx].SourcePathId, ss);
+    if (sourcePath.IsResolved()) {
+        task.MutableTable()->CopyFrom(GetTableDescription(ss, sourcePath.Base()->PathId));
+    }
+
+    switch (exportInfo->Kind) {
+    case TExportInfo::EKind::YT:
+        {
+            Ydb::Export::ExportToYtSettings exportSettings;
+            Y_VERIFY(exportSettings.ParseFromString(exportInfo->Settings));
+
+            task.SetNumberOfRetries(exportSettings.number_of_retries());
+            auto& backupSettings = *task.MutableYTSettings();
+            backupSettings.SetHost(exportSettings.host());
+            backupSettings.SetPort(exportSettings.port());
+            backupSettings.SetToken(exportSettings.token());
+            backupSettings.SetTablePattern(exportSettings.items(itemIdx).destination_path());
+            backupSettings.SetUseTypeV3(exportSettings.use_type_v3());
+        }
+        break;
+
+    case TExportInfo::EKind::S3:
+        {
+            Ydb::Export::ExportToS3Settings exportSettings;
+            Y_VERIFY(exportSettings.ParseFromString(exportInfo->Settings));
+
+            task.SetNumberOfRetries(exportSettings.number_of_retries());
+            auto& backupSettings = *task.MutableS3Settings();
+            backupSettings.SetEndpoint(exportSettings.endpoint());
+            backupSettings.SetBucket(exportSettings.bucket());
+            backupSettings.SetAccessKey(exportSettings.access_key());
+            backupSettings.SetSecretKey(exportSettings.secret_key());
+            backupSettings.SetObjectKeyPattern(exportSettings.items(itemIdx).destination_prefix());
+            backupSettings.SetStorageClass(exportSettings.storage_class());
+
+            switch (exportSettings.scheme()) {
+            case Ydb::Export::ExportToS3Settings::HTTP:
                 backupSettings.SetScheme(NKikimrSchemeOp::TS3Settings::HTTP);
-                break; 
-            case Ydb::Export::ExportToS3Settings::HTTPS: 
+                break;
+            case Ydb::Export::ExportToS3Settings::HTTPS:
                 backupSettings.SetScheme(NKikimrSchemeOp::TS3Settings::HTTPS);
-                break; 
-            default: 
-                Y_FAIL("Unknown scheme"); 
-            } 
-        } 
-        break; 
-    } 
- 
-    return propose; 
-} 
- 
+                break;
+            default:
+                Y_FAIL("Unknown scheme");
+            }
+        }
+        break;
+    }
+
+    return propose;
+}
+
 THolder<TEvSchemeShard::TEvModifySchemeTransaction> DropPropose(
     TSchemeShard* ss,
-    TTxId txId, 
-    const TExportInfo::TPtr exportInfo, 
-    ui32 itemIdx 
-) { 
+    TTxId txId,
+    const TExportInfo::TPtr exportInfo,
+    ui32 itemIdx
+) {
     auto propose = MakeHolder<TEvSchemeShard::TEvModifySchemeTransaction>(ui64(txId), ss->TabletID());
- 
+
     auto& modifyScheme = *propose->Record.AddTransaction();
     modifyScheme.SetOperationType(NKikimrSchemeOp::ESchemeOpDropTable);
     modifyScheme.SetInternal(true);
- 
-    const TPath exportPath = TPath::Init(exportInfo->ExportPathId, ss); 
-    modifyScheme.SetWorkingDir(exportPath.PathString()); 
- 
-    auto& drop = *modifyScheme.MutableDrop(); 
-    drop.SetName(ToString(itemIdx)); 
- 
-    return propose; 
-} 
- 
+
+    const TPath exportPath = TPath::Init(exportInfo->ExportPathId, ss);
+    modifyScheme.SetWorkingDir(exportPath.PathString());
+
+    auto& drop = *modifyScheme.MutableDrop();
+    drop.SetName(ToString(itemIdx));
+
+    return propose;
+}
+
 THolder<TEvSchemeShard::TEvModifySchemeTransaction> DropPropose(
     TSchemeShard* ss,
-    TTxId txId, 
-    const TExportInfo::TPtr exportInfo 
-) { 
+    TTxId txId,
+    const TExportInfo::TPtr exportInfo
+) {
     auto propose = MakeHolder<TEvSchemeShard::TEvModifySchemeTransaction>(ui64(txId), ss->TabletID());
- 
+
     auto& modifyScheme = *propose->Record.AddTransaction();
     modifyScheme.SetOperationType(NKikimrSchemeOp::ESchemeOpRmDir);
     modifyScheme.SetInternal(true);
- 
-    const TPath domainPath = TPath::Init(exportInfo->DomainPathId, ss); 
-    modifyScheme.SetWorkingDir(domainPath.PathString()); 
- 
-    auto& drop = *modifyScheme.MutableDrop(); 
-    drop.SetName(Sprintf("export-%" PRIu64, exportInfo->Id)); 
- 
-    return propose; 
-} 
- 
+
+    const TPath domainPath = TPath::Init(exportInfo->DomainPathId, ss);
+    modifyScheme.SetWorkingDir(domainPath.PathString());
+
+    auto& drop = *modifyScheme.MutableDrop();
+    drop.SetName(Sprintf("export-%" PRIu64, exportInfo->Id));
+
+    return propose;
+}
+
 THolder<TEvSchemeShard::TEvCancelTx> CancelPropose(
-    const TExportInfo::TPtr exportInfo, 
-    TTxId backupTxId 
-) { 
+    const TExportInfo::TPtr exportInfo,
+    TTxId backupTxId
+) {
     auto propose = MakeHolder<TEvSchemeShard::TEvCancelTx>();
- 
-    auto& record = propose->Record; 
-    record.SetTxId(exportInfo->Id); 
-    record.SetTargetTxId(ui64(backupTxId)); 
- 
-    return propose; 
-} 
- 
+
+    auto& record = propose->Record;
+    record.SetTxId(exportInfo->Id);
+    record.SetTargetTxId(ui64(backupTxId));
+
+    return propose;
+}
+
 TString ExportItemPathName(TSchemeShard* ss, const TExportInfo::TPtr exportInfo, ui32 itemIdx) {
-    const TPath exportPath = TPath::Init(exportInfo->ExportPathId, ss); 
-    return ExportItemPathName(exportPath.PathString(), itemIdx); 
-} 
- 
-TString ExportItemPathName(const TString& exportPathName, ui32 itemIdx) { 
-    return TStringBuilder() << exportPathName << "/" << itemIdx; 
-} 
- 
+    const TPath exportPath = TPath::Init(exportInfo->ExportPathId, ss);
+    return ExportItemPathName(exportPath.PathString(), itemIdx);
+}
+
+TString ExportItemPathName(const TString& exportPathName, ui32 itemIdx) {
+    return TStringBuilder() << exportPathName << "/" << itemIdx;
+}
+
 } // NSchemeShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard_export_flow_proposals.h b/ydb/core/tx/schemeshard/schemeshard_export_flow_proposals.h
index 1025b63edc..a84cb925ea 100644
--- a/ydb/core/tx/schemeshard/schemeshard_export_flow_proposals.h
+++ b/ydb/core/tx/schemeshard/schemeshard_export_flow_proposals.h
@@ -1,51 +1,51 @@
-#pragma once 
- 
-#include "schemeshard_impl.h" 
- 
-#include <util/generic/ptr.h> 
- 
-namespace NKikimr { 
+#pragma once
+
+#include "schemeshard_impl.h"
+
+#include <util/generic/ptr.h>
+
+namespace NKikimr {
 namespace NSchemeShard {
- 
+
 THolder<TEvSchemeShard::TEvModifySchemeTransaction> MkDirPropose(
     TSchemeShard* ss,
-    TTxId txId, 
-    const TExportInfo::TPtr exportInfo 
-); 
- 
+    TTxId txId,
+    const TExportInfo::TPtr exportInfo
+);
+
 THolder<TEvSchemeShard::TEvModifySchemeTransaction> CopyTablesPropose(
     TSchemeShard* ss,
-    TTxId txId, 
-    const TExportInfo::TPtr exportInfo 
-); 
- 
+    TTxId txId,
+    const TExportInfo::TPtr exportInfo
+);
+
 THolder<TEvSchemeShard::TEvModifySchemeTransaction> BackupPropose(
     TSchemeShard* ss,
-    TTxId txId, 
-    const TExportInfo::TPtr exportInfo, 
-    ui32 itemIdx 
-); 
- 
+    TTxId txId,
+    const TExportInfo::TPtr exportInfo,
+    ui32 itemIdx
+);
+
 THolder<TEvSchemeShard::TEvModifySchemeTransaction> DropPropose(
     TSchemeShard* ss,
-    TTxId txId, 
-    const TExportInfo::TPtr exportInfo, 
-    ui32 itemIdx 
-); 
- 
+    TTxId txId,
+    const TExportInfo::TPtr exportInfo,
+    ui32 itemIdx
+);
+
 THolder<TEvSchemeShard::TEvModifySchemeTransaction> DropPropose(
     TSchemeShard* ss,
-    TTxId txId, 
-    const TExportInfo::TPtr exportInfo 
-); 
- 
+    TTxId txId,
+    const TExportInfo::TPtr exportInfo
+);
+
 THolder<TEvSchemeShard::TEvCancelTx> CancelPropose(
-    const TExportInfo::TPtr exportInfo, 
-    TTxId backupTxId 
-); 
- 
+    const TExportInfo::TPtr exportInfo,
+    TTxId backupTxId
+);
+
 TString ExportItemPathName(TSchemeShard* ss, const TExportInfo::TPtr exportInfo, ui32 itemIdx);
-TString ExportItemPathName(const TString& exportPathName, ui32 itemIdx); 
- 
+TString ExportItemPathName(const TString& exportPathName, ui32 itemIdx);
+
 } // NSchemeShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard_export_helpers.h b/ydb/core/tx/schemeshard/schemeshard_export_helpers.h
index 021d9adc94..9c67c86748 100644
--- a/ydb/core/tx/schemeshard/schemeshard_export_helpers.h
+++ b/ydb/core/tx/schemeshard/schemeshard_export_helpers.h
@@ -1,26 +1,26 @@
-#pragma once 
- 
+#pragma once
+
 #include <ydb/library/yql/public/issue/protos/issue_severity.pb.h>
- 
-#if defined LOG_T || \ 
-    defined LOG_D || \ 
-    defined LOG_I || \ 
-    defined LOG_N || \ 
-    defined LOG_W || \ 
-    defined LOG_W 
-#error log macro redefinition 
-#endif 
- 
-#define LOG_T(stream) LOG_TRACE_S((TlsActivationContext->AsActorContext()), NKikimrServices::EXPORT, stream) 
-#define LOG_D(stream) LOG_DEBUG_S((TlsActivationContext->AsActorContext()), NKikimrServices::EXPORT, stream) 
-#define LOG_I(stream) LOG_INFO_S((TlsActivationContext->AsActorContext()), NKikimrServices::EXPORT, stream) 
-#define LOG_N(stream) LOG_NOTICE_S((TlsActivationContext->AsActorContext()), NKikimrServices::EXPORT, stream) 
-#define LOG_W(stream) LOG_WARN_S((TlsActivationContext->AsActorContext()), NKikimrServices::EXPORT, stream) 
-#define LOG_E(stream) LOG_ERROR_S((TlsActivationContext->AsActorContext()), NKikimrServices::EXPORT, stream) 
- 
-template <typename T> 
-void AddIssue(T& response, const TString& message, NYql::TSeverityIds::ESeverityId severity = NYql::TSeverityIds::S_ERROR) { 
-    auto& issue = *response.AddIssues(); 
-    issue.set_severity(severity); 
-    issue.set_message(message); 
-} 
+
+#if defined LOG_T || \
+    defined LOG_D || \
+    defined LOG_I || \
+    defined LOG_N || \
+    defined LOG_W || \
+    defined LOG_W
+#error log macro redefinition
+#endif
+
+#define LOG_T(stream) LOG_TRACE_S((TlsActivationContext->AsActorContext()), NKikimrServices::EXPORT, stream)
+#define LOG_D(stream) LOG_DEBUG_S((TlsActivationContext->AsActorContext()), NKikimrServices::EXPORT, stream)
+#define LOG_I(stream) LOG_INFO_S((TlsActivationContext->AsActorContext()), NKikimrServices::EXPORT, stream)
+#define LOG_N(stream) LOG_NOTICE_S((TlsActivationContext->AsActorContext()), NKikimrServices::EXPORT, stream)
+#define LOG_W(stream) LOG_WARN_S((TlsActivationContext->AsActorContext()), NKikimrServices::EXPORT, stream)
+#define LOG_E(stream) LOG_ERROR_S((TlsActivationContext->AsActorContext()), NKikimrServices::EXPORT, stream)
+
+template <typename T>
+void AddIssue(T& response, const TString& message, NYql::TSeverityIds::ESeverityId severity = NYql::TSeverityIds::S_ERROR) {
+    auto& issue = *response.AddIssues();
+    issue.set_severity(severity);
+    issue.set_message(message);
+}
diff --git a/ydb/core/tx/schemeshard/schemeshard_impl.cpp b/ydb/core/tx/schemeshard/schemeshard_impl.cpp
index d5df3a99b2..0715543a22 100644
--- a/ydb/core/tx/schemeshard/schemeshard_impl.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard_impl.cpp
@@ -295,15 +295,15 @@ void TSchemeShard::Clear() {
     TxInFlight.clear();
     ShardInfos.clear();
     Indexes.clear();
-    CdcStreams.clear(); 
+    CdcStreams.clear();
     RevertedMigrations.clear();
     Sequences.clear();
-    Replications.clear(); 
+    Replications.clear();
 
     for(ui32 idx = 0; idx < TabletCounters->Simple().Size(); ++idx) {
         TabletCounters->Simple()[idx].Set(0);
     }
-    TabletCounters->Percentile()[COUNTER_NUM_SHARDS_BY_TTL_LAG].Clear(); 
+    TabletCounters->Percentile()[COUNTER_NUM_SHARDS_BY_TTL_LAG].Clear();
 }
 
 void TSchemeShard::IncrementPathDbRefCount(const TPathId& pathId, const TStringBuf& debug) {
@@ -1234,9 +1234,9 @@ TPathElement::EPathState TSchemeShard::CalcPathState(TTxState::ETxType txType, T
     case TTxState::TxCreateTableIndex:
     case TTxState::TxCreateOlapStore:
     case TTxState::TxCreateOlapTable:
-    case TTxState::TxCreateCdcStream: 
+    case TTxState::TxCreateCdcStream:
     case TTxState::TxCreateSequence:
-    case TTxState::TxCreateReplication: 
+    case TTxState::TxCreateReplication:
         return TPathElement::EPathState::EPathStateCreate;
     case TTxState::TxAlterPQGroup:
     case TTxState::TxAlterTable:
@@ -1255,12 +1255,12 @@ TPathElement::EPathState TSchemeShard::CalcPathState(TTxState::ETxType txType, T
     case TTxState::TxDropTableIndexAtMainTable:
     case TTxState::TxAlterOlapStore:
     case TTxState::TxAlterOlapTable:
-    case TTxState::TxAlterCdcStream: 
-    case TTxState::TxAlterCdcStreamAtTable: 
-    case TTxState::TxCreateCdcStreamAtTable: 
-    case TTxState::TxDropCdcStreamAtTable: 
+    case TTxState::TxAlterCdcStream:
+    case TTxState::TxAlterCdcStreamAtTable:
+    case TTxState::TxCreateCdcStreamAtTable:
+    case TTxState::TxDropCdcStreamAtTable:
     case TTxState::TxAlterSequence:
-    case TTxState::TxAlterReplication: 
+    case TTxState::TxAlterReplication:
         return TPathElement::EPathState::EPathStateAlter;
     case TTxState::TxDropTable:
     case TTxState::TxDropPQGroup:
@@ -1275,14 +1275,14 @@ TPathElement::EPathState TSchemeShard::CalcPathState(TTxState::ETxType txType, T
     case TTxState::TxDropTableIndex:
     case TTxState::TxDropOlapStore:
     case TTxState::TxDropOlapTable:
-    case TTxState::TxDropCdcStream: 
+    case TTxState::TxDropCdcStream:
     case TTxState::TxDropSequence:
-    case TTxState::TxDropReplication: 
+    case TTxState::TxDropReplication:
         return TPathElement::EPathState::EPathStateDrop;
     case TTxState::TxBackup:
         return TPathElement::EPathState::EPathStateBackup;
-    case TTxState::TxRestore: 
-        return TPathElement::EPathState::EPathStateRestore; 
+    case TTxState::TxRestore:
+        return TPathElement::EPathState::EPathStateRestore;
     case TTxState::TxUpgradeSubDomain:
         return TPathElement::EPathState::EPathStateUpgrade;
     case TTxState::TxUpgradeSubDomainDecision:
@@ -1392,67 +1392,67 @@ void TSchemeShard::PersistTableIndexAlterData(NIceDb::TNiceDb& db, const TPathId
 }
 
 void TSchemeShard::PersistCdcStream(NIceDb::TNiceDb& db, const TPathId& pathId) {
-    Y_VERIFY(PathsById.contains(pathId)); 
-    auto path = PathsById.at(pathId); 
- 
-    Y_VERIFY(CdcStreams.contains(pathId)); 
-    auto stream = CdcStreams.at(pathId); 
- 
-    Y_VERIFY(IsLocalId(pathId)); 
-    Y_VERIFY(path->IsCdcStream()); 
- 
-    auto alterData = stream->AlterData; 
-    Y_VERIFY(alterData); 
-    Y_VERIFY(stream->AlterVersion < alterData->AlterVersion); 
- 
-    db.Table<Schema::CdcStream>().Key(pathId.OwnerId, pathId.LocalPathId).Update( 
-        NIceDb::TUpdate<Schema::CdcStream::AlterVersion>(alterData->AlterVersion), 
-        NIceDb::TUpdate<Schema::CdcStream::Mode>(alterData->Mode), 
-        NIceDb::TUpdate<Schema::CdcStream::State>(alterData->State) 
-    ); 
- 
-    db.Table<Schema::CdcStreamAlterData>().Key(pathId.OwnerId, pathId.LocalPathId).Delete(); 
-} 
- 
+    Y_VERIFY(PathsById.contains(pathId));
+    auto path = PathsById.at(pathId);
+
+    Y_VERIFY(CdcStreams.contains(pathId));
+    auto stream = CdcStreams.at(pathId);
+
+    Y_VERIFY(IsLocalId(pathId));
+    Y_VERIFY(path->IsCdcStream());
+
+    auto alterData = stream->AlterData;
+    Y_VERIFY(alterData);
+    Y_VERIFY(stream->AlterVersion < alterData->AlterVersion);
+
+    db.Table<Schema::CdcStream>().Key(pathId.OwnerId, pathId.LocalPathId).Update(
+        NIceDb::TUpdate<Schema::CdcStream::AlterVersion>(alterData->AlterVersion),
+        NIceDb::TUpdate<Schema::CdcStream::Mode>(alterData->Mode),
+        NIceDb::TUpdate<Schema::CdcStream::State>(alterData->State)
+    );
+
+    db.Table<Schema::CdcStreamAlterData>().Key(pathId.OwnerId, pathId.LocalPathId).Delete();
+}
+
 void TSchemeShard::PersistCdcStreamAlterData(NIceDb::TNiceDb& db, const TPathId& pathId) {
-    Y_VERIFY(PathsById.contains(pathId)); 
-    auto path = PathsById.at(pathId); 
- 
-    Y_VERIFY(CdcStreams.contains(pathId)); 
-    auto stream = CdcStreams.at(pathId); 
- 
-    Y_VERIFY(IsLocalId(pathId)); 
-    Y_VERIFY(path->IsCdcStream()); 
- 
-    auto alterData = stream->AlterData; 
-    Y_VERIFY(alterData); 
- 
-    db.Table<Schema::CdcStreamAlterData>().Key(pathId.OwnerId, pathId.LocalPathId).Update( 
-        NIceDb::TUpdate<Schema::CdcStreamAlterData::AlterVersion>(alterData->AlterVersion), 
-        NIceDb::TUpdate<Schema::CdcStreamAlterData::Mode>(alterData->Mode), 
-        NIceDb::TUpdate<Schema::CdcStreamAlterData::State>(alterData->State) 
-    ); 
-} 
- 
+    Y_VERIFY(PathsById.contains(pathId));
+    auto path = PathsById.at(pathId);
+
+    Y_VERIFY(CdcStreams.contains(pathId));
+    auto stream = CdcStreams.at(pathId);
+
+    Y_VERIFY(IsLocalId(pathId));
+    Y_VERIFY(path->IsCdcStream());
+
+    auto alterData = stream->AlterData;
+    Y_VERIFY(alterData);
+
+    db.Table<Schema::CdcStreamAlterData>().Key(pathId.OwnerId, pathId.LocalPathId).Update(
+        NIceDb::TUpdate<Schema::CdcStreamAlterData::AlterVersion>(alterData->AlterVersion),
+        NIceDb::TUpdate<Schema::CdcStreamAlterData::Mode>(alterData->Mode),
+        NIceDb::TUpdate<Schema::CdcStreamAlterData::State>(alterData->State)
+    );
+}
+
 void TSchemeShard::PersistRemoveCdcStream(NIceDb::TNiceDb &db, const TPathId& pathId) {
-    Y_VERIFY(PathsById.contains(pathId)); 
-    auto path = PathsById.at(pathId); 
- 
-    if (!CdcStreams.contains(pathId)) { 
-        return; 
-    } 
- 
-    auto stream = CdcStreams.at(pathId); 
-    if (stream->AlterData) { 
-        db.Table<Schema::CdcStreamAlterData>().Key(pathId.OwnerId, pathId.LocalPathId).Delete(); 
-    } 
- 
-    db.Table<Schema::CdcStream>().Key(pathId.OwnerId, pathId.LocalPathId).Delete(); 
- 
-    CdcStreams.erase(pathId); 
-    DecrementPathDbRefCount(pathId); 
-} 
- 
+    Y_VERIFY(PathsById.contains(pathId));
+    auto path = PathsById.at(pathId);
+
+    if (!CdcStreams.contains(pathId)) {
+        return;
+    }
+
+    auto stream = CdcStreams.at(pathId);
+    if (stream->AlterData) {
+        db.Table<Schema::CdcStreamAlterData>().Key(pathId.OwnerId, pathId.LocalPathId).Delete();
+    }
+
+    db.Table<Schema::CdcStream>().Key(pathId.OwnerId, pathId.LocalPathId).Delete();
+
+    CdcStreams.erase(pathId);
+    DecrementPathDbRefCount(pathId);
+}
+
 void TSchemeShard::PersistAlterUserAttributes(NIceDb::TNiceDb& db, TPathId pathId) {
     Y_VERIFY(PathsById.contains(pathId));
     TPathElement::TPtr element = PathsById.at(pathId);
@@ -1676,10 +1676,10 @@ void TSchemeShard::PersistSubDomainAlter(NIceDb::TNiceDb& db, const TPathId& pat
     db.Table<Schema::SubDomainsAlterData>().Key(pathId.LocalPathId).Update(
                 NIceDb::TUpdate<Schema::SubDomainsAlterData::AlterVersion>(subDomain.GetVersion()),
                 NIceDb::TUpdate<Schema::SubDomainsAlterData::PlanResolution>(subDomain.GetPlanResolution()),
-                NIceDb::TUpdate<Schema::SubDomainsAlterData::TimeCastBuckets>(subDomain.GetTCB()), 
-                NIceDb::TUpdate<Schema::SubDomainsAlterData::ResourcesDomainOwnerPathId>(subDomain.GetResourcesDomainId().OwnerId), 
-                NIceDb::TUpdate<Schema::SubDomainsAlterData::ResourcesDomainLocalPathId>(subDomain.GetResourcesDomainId().LocalPathId), 
-                NIceDb::TUpdate<Schema::SubDomainsAlterData::SharedHiveId>(subDomain.GetSharedHive())); 
+                NIceDb::TUpdate<Schema::SubDomainsAlterData::TimeCastBuckets>(subDomain.GetTCB()),
+                NIceDb::TUpdate<Schema::SubDomainsAlterData::ResourcesDomainOwnerPathId>(subDomain.GetResourcesDomainId().OwnerId),
+                NIceDb::TUpdate<Schema::SubDomainsAlterData::ResourcesDomainLocalPathId>(subDomain.GetResourcesDomainId().LocalPathId),
+                NIceDb::TUpdate<Schema::SubDomainsAlterData::SharedHiveId>(subDomain.GetSharedHive()));
 
     if (subDomain.GetDeclaredSchemeQuotas()) {
         TString declaredSchemeQuotas;
@@ -1745,11 +1745,11 @@ void TSchemeShard::PersistSubDomain(NIceDb::TNiceDb& db, const TPathId& pathId,
     db.Table<Schema::SubDomains>().Key(pathId.LocalPathId).Update(
         NIceDb::TUpdate<Schema::SubDomains::AlterVersion>(subDomain.GetVersion()),
         NIceDb::TUpdate<Schema::SubDomains::PlanResolution>(subDomain.GetPlanResolution()),
-        NIceDb::TUpdate<Schema::SubDomains::TimeCastBuckets>(subDomain.GetTCB()), 
-        NIceDb::TUpdate<Schema::SubDomains::ResourcesDomainOwnerPathId>(subDomain.GetResourcesDomainId().OwnerId), 
-        NIceDb::TUpdate<Schema::SubDomains::ResourcesDomainLocalPathId>(subDomain.GetResourcesDomainId().LocalPathId), 
-        NIceDb::TUpdate<Schema::SubDomains::SharedHiveId>(subDomain.GetSharedHive())); 
- 
+        NIceDb::TUpdate<Schema::SubDomains::TimeCastBuckets>(subDomain.GetTCB()),
+        NIceDb::TUpdate<Schema::SubDomains::ResourcesDomainOwnerPathId>(subDomain.GetResourcesDomainId().OwnerId),
+        NIceDb::TUpdate<Schema::SubDomains::ResourcesDomainLocalPathId>(subDomain.GetResourcesDomainId().LocalPathId),
+        NIceDb::TUpdate<Schema::SubDomains::SharedHiveId>(subDomain.GetSharedHive()));
+
     PersistSubDomainDeclaredSchemeQuotas(db, pathId, subDomain);
     PersistSubDomainDatabaseQuotas(db, pathId, subDomain);
     PersistSubDomainState(db, pathId, subDomain);
@@ -1882,9 +1882,9 @@ void TSchemeShard::PersistCreateTxId(NIceDb::TNiceDb& db, const TPathId pathId,
     Y_VERIFY(IsLocalId(pathId));
 
     db.Table<Schema::Paths>().Key(pathId.LocalPathId).Update(
-                NIceDb::TUpdate<Schema::Paths::CreateTxId>(txId)); 
-} 
- 
+                NIceDb::TUpdate<Schema::Paths::CreateTxId>(txId));
+}
+
 void TSchemeShard::PersistCreateStep(NIceDb::TNiceDb& db, const TPathId pathId, TStepId step) {
     Y_VERIFY(IsLocalId(pathId));
 
@@ -1992,10 +1992,10 @@ void TSchemeShard::ChangeTxState(NIceDb::TNiceDb& db, const TOperationId opId, T
 }
 
 void TSchemeShard::PersistCancelTx(NIceDb::TNiceDb &db, const TOperationId opId, const TTxState &txState) {
-    Y_VERIFY(txState.TxType == TTxState::TxBackup || txState.TxType == TTxState::TxRestore); 
+    Y_VERIFY(txState.TxType == TTxState::TxBackup || txState.TxType == TTxState::TxRestore);
 
     db.Table<Schema::TxInFlightV2>().Key(opId.GetTxId(), opId.GetSubTxId()).Update(
-        NIceDb::TUpdate<Schema::TxInFlightV2::CancelBackup>(txState.Cancel)); 
+        NIceDb::TUpdate<Schema::TxInFlightV2::CancelBackup>(txState.Cancel));
 }
 
 void TSchemeShard::PersistTxPlanStep(NIceDb::TNiceDb &db, TOperationId opId, TStepId step) {
@@ -2040,16 +2040,16 @@ void TSchemeShard::PersistTablePartitioning(NIceDb::TNiceDb& db, const TPathId p
             Y_VERIFY(IsLocalId(partition.ShardIdx));
             db.Table<Schema::TablePartitions>().Key(pathId.LocalPathId, pi).Update(
                 NIceDb::TUpdate<Schema::TablePartitions::RangeEnd>(partition.EndOfRange),
-                NIceDb::TUpdate<Schema::TablePartitions::DatashardIdx>(partition.ShardIdx.GetLocalId()), 
-                NIceDb::TUpdate<Schema::TablePartitions::LastCondErase>(partition.LastCondErase.GetValue()), 
-                NIceDb::TUpdate<Schema::TablePartitions::NextCondErase>(partition.NextCondErase.GetValue())); 
+                NIceDb::TUpdate<Schema::TablePartitions::DatashardIdx>(partition.ShardIdx.GetLocalId()),
+                NIceDb::TUpdate<Schema::TablePartitions::LastCondErase>(partition.LastCondErase.GetValue()),
+                NIceDb::TUpdate<Schema::TablePartitions::NextCondErase>(partition.NextCondErase.GetValue()));
         } else {
             db.Table<Schema::MigratedTablePartitions>().Key(pathId.OwnerId, pathId.LocalPathId, pi).Update(
                 NIceDb::TUpdate<Schema::MigratedTablePartitions::RangeEnd>(partition.EndOfRange),
                 NIceDb::TUpdate<Schema::MigratedTablePartitions::OwnerShardIdx>(partition.ShardIdx.GetOwnerId()),
-                NIceDb::TUpdate<Schema::MigratedTablePartitions::LocalShardIdx>(partition.ShardIdx.GetLocalId()), 
-                NIceDb::TUpdate<Schema::MigratedTablePartitions::LastCondErase>(partition.LastCondErase.GetValue()), 
-                NIceDb::TUpdate<Schema::MigratedTablePartitions::NextCondErase>(partition.NextCondErase.GetValue())); 
+                NIceDb::TUpdate<Schema::MigratedTablePartitions::LocalShardIdx>(partition.ShardIdx.GetLocalId()),
+                NIceDb::TUpdate<Schema::MigratedTablePartitions::LastCondErase>(partition.LastCondErase.GetValue()),
+                NIceDb::TUpdate<Schema::MigratedTablePartitions::NextCondErase>(partition.NextCondErase.GetValue()));
         }
     }
     if (IsLocalId(pathId)) {
@@ -2068,95 +2068,95 @@ void TSchemeShard::DeleteTablePartitioning(NIceDb::TNiceDb& db, const TPathId pa
             db.Table<Schema::TablePartitions>().Key(pathId.LocalPathId, pi).Delete();
         }
         db.Table<Schema::MigratedTablePartitions>().Key(pathId.OwnerId, pathId.LocalPathId, pi).Delete();
-        db.Table<Schema::TablePartitionStats>().Key(pathId.OwnerId, pathId.LocalPathId, pi).Delete(); 
+        db.Table<Schema::TablePartitionStats>().Key(pathId.OwnerId, pathId.LocalPathId, pi).Delete();
 
         CompactionQueue->Remove(TShardCompactionInfo(partitions[pi].ShardIdx));
     }
 }
 
 void TSchemeShard::PersistTablePartitionCondErase(NIceDb::TNiceDb& db, const TPathId& pathId, ui64 id, const TTableInfo::TPtr tableInfo) {
-    const auto& partition = tableInfo->GetPartitions()[id]; 
- 
-    if (IsLocalId(pathId)) { 
-        Y_VERIFY(IsLocalId(partition.ShardIdx)); 
-        db.Table<Schema::TablePartitions>().Key(pathId.LocalPathId, id).Update( 
-            NIceDb::TUpdate<Schema::TablePartitions::LastCondErase>(partition.LastCondErase.GetValue()), 
-            NIceDb::TUpdate<Schema::TablePartitions::NextCondErase>(partition.NextCondErase.GetValue())); 
-    } else { 
-        db.Table<Schema::MigratedTablePartitions>().Key(pathId.OwnerId, pathId.LocalPathId, id).Update( 
-            NIceDb::TUpdate<Schema::MigratedTablePartitions::LastCondErase>(partition.LastCondErase.GetValue()), 
-            NIceDb::TUpdate<Schema::MigratedTablePartitions::NextCondErase>(partition.NextCondErase.GetValue())); 
-    } 
-} 
- 
+    const auto& partition = tableInfo->GetPartitions()[id];
+
+    if (IsLocalId(pathId)) {
+        Y_VERIFY(IsLocalId(partition.ShardIdx));
+        db.Table<Schema::TablePartitions>().Key(pathId.LocalPathId, id).Update(
+            NIceDb::TUpdate<Schema::TablePartitions::LastCondErase>(partition.LastCondErase.GetValue()),
+            NIceDb::TUpdate<Schema::TablePartitions::NextCondErase>(partition.NextCondErase.GetValue()));
+    } else {
+        db.Table<Schema::MigratedTablePartitions>().Key(pathId.OwnerId, pathId.LocalPathId, id).Update(
+            NIceDb::TUpdate<Schema::MigratedTablePartitions::LastCondErase>(partition.LastCondErase.GetValue()),
+            NIceDb::TUpdate<Schema::MigratedTablePartitions::NextCondErase>(partition.NextCondErase.GetValue()));
+    }
+}
+
 void TSchemeShard::PersistTablePartitionStats(NIceDb::TNiceDb& db, const TPathId& tableId, ui64 partitionId, const TTableInfo::TPartitionStats& stats) {
-    if (!AppData()->FeatureFlags.GetEnablePersistentPartitionStats()) { 
-        return; 
-    } 
- 
-    db.Table<Schema::TablePartitionStats>().Key(tableId.OwnerId, tableId.LocalPathId, partitionId).Update( 
-        NIceDb::TUpdate<Schema::TablePartitionStats::SeqNoGeneration>(stats.SeqNo.Generation), 
-        NIceDb::TUpdate<Schema::TablePartitionStats::SeqNoRound>(stats.SeqNo.Round), 
- 
-        NIceDb::TUpdate<Schema::TablePartitionStats::RowCount>(stats.RowCount), 
-        NIceDb::TUpdate<Schema::TablePartitionStats::DataSize>(stats.DataSize), 
-        NIceDb::TUpdate<Schema::TablePartitionStats::IndexSize>(stats.IndexSize), 
- 
-        NIceDb::TUpdate<Schema::TablePartitionStats::LastAccessTime>(stats.LastAccessTime.GetValue()), 
-        NIceDb::TUpdate<Schema::TablePartitionStats::LastUpdateTime>(stats.LastUpdateTime.GetValue()), 
- 
-        NIceDb::TUpdate<Schema::TablePartitionStats::ImmediateTxCompleted>(stats.ImmediateTxCompleted), 
-        NIceDb::TUpdate<Schema::TablePartitionStats::PlannedTxCompleted>(stats.PlannedTxCompleted), 
-        NIceDb::TUpdate<Schema::TablePartitionStats::TxRejectedByOverload>(stats.TxRejectedByOverload), 
-        NIceDb::TUpdate<Schema::TablePartitionStats::TxRejectedBySpace>(stats.TxRejectedBySpace), 
-        NIceDb::TUpdate<Schema::TablePartitionStats::TxCompleteLag>(stats.TxCompleteLag.GetValue()), 
-        NIceDb::TUpdate<Schema::TablePartitionStats::InFlightTxCount>(stats.InFlightTxCount), 
- 
-        NIceDb::TUpdate<Schema::TablePartitionStats::RowUpdates>(stats.RowUpdates), 
-        NIceDb::TUpdate<Schema::TablePartitionStats::RowDeletes>(stats.RowDeletes), 
-        NIceDb::TUpdate<Schema::TablePartitionStats::RowReads>(stats.RowReads), 
-        NIceDb::TUpdate<Schema::TablePartitionStats::RangeReads>(stats.RangeReads), 
-        NIceDb::TUpdate<Schema::TablePartitionStats::RangeReadRows>(stats.RangeReadRows), 
- 
+    if (!AppData()->FeatureFlags.GetEnablePersistentPartitionStats()) {
+        return;
+    }
+
+    db.Table<Schema::TablePartitionStats>().Key(tableId.OwnerId, tableId.LocalPathId, partitionId).Update(
+        NIceDb::TUpdate<Schema::TablePartitionStats::SeqNoGeneration>(stats.SeqNo.Generation),
+        NIceDb::TUpdate<Schema::TablePartitionStats::SeqNoRound>(stats.SeqNo.Round),
+
+        NIceDb::TUpdate<Schema::TablePartitionStats::RowCount>(stats.RowCount),
+        NIceDb::TUpdate<Schema::TablePartitionStats::DataSize>(stats.DataSize),
+        NIceDb::TUpdate<Schema::TablePartitionStats::IndexSize>(stats.IndexSize),
+
+        NIceDb::TUpdate<Schema::TablePartitionStats::LastAccessTime>(stats.LastAccessTime.GetValue()),
+        NIceDb::TUpdate<Schema::TablePartitionStats::LastUpdateTime>(stats.LastUpdateTime.GetValue()),
+
+        NIceDb::TUpdate<Schema::TablePartitionStats::ImmediateTxCompleted>(stats.ImmediateTxCompleted),
+        NIceDb::TUpdate<Schema::TablePartitionStats::PlannedTxCompleted>(stats.PlannedTxCompleted),
+        NIceDb::TUpdate<Schema::TablePartitionStats::TxRejectedByOverload>(stats.TxRejectedByOverload),
+        NIceDb::TUpdate<Schema::TablePartitionStats::TxRejectedBySpace>(stats.TxRejectedBySpace),
+        NIceDb::TUpdate<Schema::TablePartitionStats::TxCompleteLag>(stats.TxCompleteLag.GetValue()),
+        NIceDb::TUpdate<Schema::TablePartitionStats::InFlightTxCount>(stats.InFlightTxCount),
+
+        NIceDb::TUpdate<Schema::TablePartitionStats::RowUpdates>(stats.RowUpdates),
+        NIceDb::TUpdate<Schema::TablePartitionStats::RowDeletes>(stats.RowDeletes),
+        NIceDb::TUpdate<Schema::TablePartitionStats::RowReads>(stats.RowReads),
+        NIceDb::TUpdate<Schema::TablePartitionStats::RangeReads>(stats.RangeReads),
+        NIceDb::TUpdate<Schema::TablePartitionStats::RangeReadRows>(stats.RangeReadRows),
+
         NIceDb::TUpdate<Schema::TablePartitionStats::CPU>(stats.GetCurrentRawCpuUsage()),
-        NIceDb::TUpdate<Schema::TablePartitionStats::Memory>(stats.Memory), 
-        NIceDb::TUpdate<Schema::TablePartitionStats::Network>(stats.Network), 
-        NIceDb::TUpdate<Schema::TablePartitionStats::Storage>(stats.Storage), 
-        NIceDb::TUpdate<Schema::TablePartitionStats::ReadThroughput>(stats.ReadThroughput), 
-        NIceDb::TUpdate<Schema::TablePartitionStats::WriteThroughput>(stats.WriteThroughput), 
-        NIceDb::TUpdate<Schema::TablePartitionStats::ReadIops>(stats.ReadIops), 
-        NIceDb::TUpdate<Schema::TablePartitionStats::WriteIops>(stats.WriteIops) 
-    ); 
-} 
- 
+        NIceDb::TUpdate<Schema::TablePartitionStats::Memory>(stats.Memory),
+        NIceDb::TUpdate<Schema::TablePartitionStats::Network>(stats.Network),
+        NIceDb::TUpdate<Schema::TablePartitionStats::Storage>(stats.Storage),
+        NIceDb::TUpdate<Schema::TablePartitionStats::ReadThroughput>(stats.ReadThroughput),
+        NIceDb::TUpdate<Schema::TablePartitionStats::WriteThroughput>(stats.WriteThroughput),
+        NIceDb::TUpdate<Schema::TablePartitionStats::ReadIops>(stats.ReadIops),
+        NIceDb::TUpdate<Schema::TablePartitionStats::WriteIops>(stats.WriteIops)
+    );
+}
+
 void TSchemeShard::PersistTablePartitionStats(NIceDb::TNiceDb& db, const TPathId& tableId, const TShardIdx& shardIdx, const TTableInfo::TPtr tableInfo) {
-    const auto& shardToPartition = tableInfo->GetShard2PartitionIdx(); 
-    if (!shardToPartition.contains(shardIdx)) { 
-        return; 
-    } 
- 
-    const auto& tableStats = tableInfo->GetStats(); 
-    if (!tableStats.PartitionStats.contains(shardIdx)) { 
-        return; 
-    } 
- 
-    const ui64 partitionId = shardToPartition.at(shardIdx); 
-    const auto& stats = tableStats.PartitionStats.at(shardIdx); 
-    PersistTablePartitionStats(db, tableId, partitionId, stats); 
-} 
- 
+    const auto& shardToPartition = tableInfo->GetShard2PartitionIdx();
+    if (!shardToPartition.contains(shardIdx)) {
+        return;
+    }
+
+    const auto& tableStats = tableInfo->GetStats();
+    if (!tableStats.PartitionStats.contains(shardIdx)) {
+        return;
+    }
+
+    const ui64 partitionId = shardToPartition.at(shardIdx);
+    const auto& stats = tableStats.PartitionStats.at(shardIdx);
+    PersistTablePartitionStats(db, tableId, partitionId, stats);
+}
+
 void TSchemeShard::PersistTablePartitionStats(NIceDb::TNiceDb& db, const TPathId& tableId, const TTableInfo::TPtr tableInfo) {
-    const auto& tableStats = tableInfo->GetStats(); 
- 
-    for (const auto& [shardIdx, pi] : tableInfo->GetShard2PartitionIdx()) { 
-        if (!tableStats.PartitionStats.contains(shardIdx)) { 
-            continue; 
-        } 
- 
-        PersistTablePartitionStats(db, tableId, pi, tableStats.PartitionStats.at(shardIdx)); 
-    } 
-} 
- 
+    const auto& tableStats = tableInfo->GetStats();
+
+    for (const auto& [shardIdx, pi] : tableInfo->GetShard2PartitionIdx()) {
+        if (!tableStats.PartitionStats.contains(shardIdx)) {
+            continue;
+        }
+
+        PersistTablePartitionStats(db, tableId, pi, tableStats.PartitionStats.at(shardIdx));
+    }
+}
+
 void TSchemeShard::PersistTableAlterVersion(NIceDb::TNiceDb& db, const TPathId pathId, const TTableInfo::TPtr tableInfo) {
     if (pathId.OwnerId == TabletID()) {
         db.Table<Schema::Tables>().Key(pathId.LocalPathId).Update(
@@ -2171,29 +2171,29 @@ void TSchemeShard::PersistTableAltered(NIceDb::TNiceDb& db, const TPathId pathId
     TString partitionConfig;
     Y_PROTOBUF_SUPPRESS_NODISCARD tableInfo->PartitionConfig().SerializeToString(&partitionConfig);
 
-    TString ttlSettings; 
-    if (tableInfo->HasTTLSettings()) { 
+    TString ttlSettings;
+    if (tableInfo->HasTTLSettings()) {
         Y_PROTOBUF_SUPPRESS_NODISCARD tableInfo->TTLSettings().SerializeToString(&ttlSettings);
-    } 
- 
+    }
+
     if (pathId.OwnerId == TabletID()) {
         db.Table<Schema::Tables>().Key(pathId.LocalPathId).Update(
             NIceDb::TUpdate<Schema::Tables::NextColId>(tableInfo->NextColumnId),
             NIceDb::TUpdate<Schema::Tables::PartitionConfig>(partitionConfig),
             NIceDb::TUpdate<Schema::Tables::AlterVersion>(tableInfo->AlterVersion),
             NIceDb::TUpdate<Schema::Tables::AlterTable>(TString()),
-            NIceDb::TUpdate<Schema::Tables::AlterTableFull>(TString()), 
-            NIceDb::TUpdate<Schema::Tables::TTLSettings>(ttlSettings), 
-            NIceDb::TUpdate<Schema::Tables::IsBackup>(tableInfo->IsBackup)); 
+            NIceDb::TUpdate<Schema::Tables::AlterTableFull>(TString()),
+            NIceDb::TUpdate<Schema::Tables::TTLSettings>(ttlSettings),
+            NIceDb::TUpdate<Schema::Tables::IsBackup>(tableInfo->IsBackup));
     } else {
         db.Table<Schema::MigratedTables>().Key(pathId.OwnerId, pathId.LocalPathId).Update(
             NIceDb::TUpdate<Schema::MigratedTables::NextColId>(tableInfo->NextColumnId),
             NIceDb::TUpdate<Schema::MigratedTables::PartitionConfig>(partitionConfig),
             NIceDb::TUpdate<Schema::MigratedTables::AlterVersion>(tableInfo->AlterVersion),
             NIceDb::TUpdate<Schema::MigratedTables::AlterTable>(TString()),
-            NIceDb::TUpdate<Schema::MigratedTables::AlterTableFull>(TString()), 
-            NIceDb::TUpdate<Schema::MigratedTables::TTLSettings>(ttlSettings), 
-            NIceDb::TUpdate<Schema::MigratedTables::IsBackup>(tableInfo->IsBackup)); 
+            NIceDb::TUpdate<Schema::MigratedTables::AlterTableFull>(TString()),
+            NIceDb::TUpdate<Schema::MigratedTables::TTLSettings>(ttlSettings),
+            NIceDb::TUpdate<Schema::MigratedTables::IsBackup>(tableInfo->IsBackup));
     }
 
     for (auto col : tableInfo->Columns) {
@@ -2319,8 +2319,8 @@ void TSchemeShard::PersistAddPersQueueGroupAlter(NIceDb::TNiceDb& db, TPathId pa
         NIceDb::TUpdate<Schema::PersQueueGroupAlters::MaxPQPerShard>(alterData->MaxPartsPerTablet),
         NIceDb::TUpdate<Schema::PersQueueGroupAlters::AlterVersion>(alterData->AlterVersion),
         NIceDb::TUpdate<Schema::PersQueueGroupAlters::TotalGroupCount>(alterData->TotalGroupCount),
-        NIceDb::TUpdate<Schema::PersQueueGroupAlters::NextPartitionId>(alterData->NextPartitionId), 
-        NIceDb::TUpdate<Schema::PersQueueGroupAlters::BootstrapConfig>(alterData->BootstrapConfig)); 
+        NIceDb::TUpdate<Schema::PersQueueGroupAlters::NextPartitionId>(alterData->NextPartitionId),
+        NIceDb::TUpdate<Schema::PersQueueGroupAlters::BootstrapConfig>(alterData->BootstrapConfig));
 }
 
 void TSchemeShard::PersistRemovePersQueueGroupAlter(NIceDb::TNiceDb& db, TPathId pathId) {
@@ -2332,22 +2332,22 @@ void TSchemeShard::PersistRemovePersQueueGroupAlter(NIceDb::TNiceDb& db, TPathId
 void TSchemeShard::PersistPersQueue(NIceDb::TNiceDb &db, TPathId pathId, TShardIdx shardIdx, const TPQShardInfo::TPersQueueInfo& pqInfo) {
     Y_VERIFY(IsLocalId(pathId));
 
-    db.Table<Schema::PersQueues>().Key(pathId.LocalPathId, pqInfo.PqId).Update( 
+    db.Table<Schema::PersQueues>().Key(pathId.LocalPathId, pqInfo.PqId).Update(
         NIceDb::TUpdate<Schema::PersQueues::ShardIdx>(shardIdx.GetLocalId()),
-        NIceDb::TUpdate<Schema::PersQueues::GroupId>(pqInfo.GroupId), 
-        NIceDb::TUpdate<Schema::PersQueues::AlterVersion>(pqInfo.AlterVersion)); 
- 
-    if (pqInfo.KeyRange) { 
-        if (pqInfo.KeyRange->FromBound) { 
-            db.Table<Schema::PersQueues>().Key(pathId.LocalPathId, pqInfo.PqId).Update( 
-                NIceDb::TUpdate<Schema::PersQueues::RangeBegin>(*pqInfo.KeyRange->FromBound)); 
-        } 
- 
-        if (pqInfo.KeyRange->ToBound) { 
-            db.Table<Schema::PersQueues>().Key(pathId.LocalPathId, pqInfo.PqId).Update( 
-                NIceDb::TUpdate<Schema::PersQueues::RangeEnd>(*pqInfo.KeyRange->ToBound)); 
-        } 
-    } 
+        NIceDb::TUpdate<Schema::PersQueues::GroupId>(pqInfo.GroupId),
+        NIceDb::TUpdate<Schema::PersQueues::AlterVersion>(pqInfo.AlterVersion));
+
+    if (pqInfo.KeyRange) {
+        if (pqInfo.KeyRange->FromBound) {
+            db.Table<Schema::PersQueues>().Key(pathId.LocalPathId, pqInfo.PqId).Update(
+                NIceDb::TUpdate<Schema::PersQueues::RangeBegin>(*pqInfo.KeyRange->FromBound));
+        }
+
+        if (pqInfo.KeyRange->ToBound) {
+            db.Table<Schema::PersQueues>().Key(pathId.LocalPathId, pqInfo.PqId).Update(
+                NIceDb::TUpdate<Schema::PersQueues::RangeEnd>(*pqInfo.KeyRange->ToBound));
+        }
+    }
 }
 
 void TSchemeShard::PersistRemovePersQueue(NIceDb::TNiceDb &db, TPathId pathId, ui32 pqId) {
@@ -2605,79 +2605,79 @@ void TSchemeShard::PersistUnknownShardDeleted(NIceDb::TNiceDb& db, TShardIdx sha
 }
 
 void TSchemeShard::PersistTxShardStatus(NIceDb::TNiceDb& db, TOperationId opId, TShardIdx shardIdx, const TTxState::TShardStatus& status) {
-    db.Table<Schema::TxShardStatus>() 
-        .Key(opId.GetTxId(), shardIdx.GetOwnerId(), shardIdx.GetLocalId()) 
-        .Update( 
-            NIceDb::TUpdate<Schema::TxShardStatus::Success>(status.Success), 
-            NIceDb::TUpdate<Schema::TxShardStatus::Error>(status.Error), 
-            NIceDb::TUpdate<Schema::TxShardStatus::BytesProcessed>(status.BytesProcessed), 
-            NIceDb::TUpdate<Schema::TxShardStatus::RowsProcessed>(status.RowsProcessed) 
-        ); 
-} 
- 
+    db.Table<Schema::TxShardStatus>()
+        .Key(opId.GetTxId(), shardIdx.GetOwnerId(), shardIdx.GetLocalId())
+        .Update(
+            NIceDb::TUpdate<Schema::TxShardStatus::Success>(status.Success),
+            NIceDb::TUpdate<Schema::TxShardStatus::Error>(status.Error),
+            NIceDb::TUpdate<Schema::TxShardStatus::BytesProcessed>(status.BytesProcessed),
+            NIceDb::TUpdate<Schema::TxShardStatus::RowsProcessed>(status.RowsProcessed)
+        );
+}
+
 void TSchemeShard::PersistBackupSettings(
         NIceDb::TNiceDb& db,
         TPathId pathId,
         const NKikimrSchemeOp::TBackupTask& settings)
 {
-#define PERSIST_BACKUP_SETTINGS(Kind) \ 
-    if (settings.Has##Kind()) { \ 
-        if (IsLocalId(pathId)) { \ 
-            db.Table<Schema::BackupSettings>().Key(pathId.LocalPathId).Update( \ 
-                NIceDb::TUpdate<Schema::BackupSettings::TableName>(settings.GetTableName()), \ 
-                NIceDb::TUpdate<Schema::BackupSettings::Kind>(settings.Get##Kind().SerializeAsString()), \ 
-                NIceDb::TUpdate<Schema::BackupSettings::ScanSettings>(settings.GetScanSettings().SerializeAsString()), \ 
-                NIceDb::TUpdate<Schema::BackupSettings::NeedToBill>(settings.GetNeedToBill()), \ 
-                NIceDb::TUpdate<Schema::BackupSettings::TableDescription>(settings.GetTable().SerializeAsString()), \ 
-                NIceDb::TUpdate<Schema::BackupSettings::NumberOfRetries>(settings.GetNumberOfRetries())); \ 
-        } else { \ 
-            db.Table<Schema::MigratedBackupSettings>().Key(pathId.OwnerId, pathId.LocalPathId).Update( \ 
-                NIceDb::TUpdate<Schema::MigratedBackupSettings::TableName>(settings.GetTableName()), \ 
-                NIceDb::TUpdate<Schema::MigratedBackupSettings::Kind>(settings.Get##Kind().SerializeAsString()), \ 
-                NIceDb::TUpdate<Schema::MigratedBackupSettings::ScanSettings>(settings.GetScanSettings().SerializeAsString()), \ 
-                NIceDb::TUpdate<Schema::MigratedBackupSettings::NeedToBill>(settings.GetNeedToBill()), \ 
-                NIceDb::TUpdate<Schema::MigratedBackupSettings::TableDescription>(settings.GetTable().SerializeAsString()), \ 
-                NIceDb::TUpdate<Schema::MigratedBackupSettings::NumberOfRetries>(settings.GetNumberOfRetries())); \ 
-        } \ 
-    } 
-
-    PERSIST_BACKUP_SETTINGS(YTSettings) 
-    PERSIST_BACKUP_SETTINGS(S3Settings) 
-
-#undef PERSIST_BACKUP_SETTINGS 
+#define PERSIST_BACKUP_SETTINGS(Kind) \
+    if (settings.Has##Kind()) { \
+        if (IsLocalId(pathId)) { \
+            db.Table<Schema::BackupSettings>().Key(pathId.LocalPathId).Update( \
+                NIceDb::TUpdate<Schema::BackupSettings::TableName>(settings.GetTableName()), \
+                NIceDb::TUpdate<Schema::BackupSettings::Kind>(settings.Get##Kind().SerializeAsString()), \
+                NIceDb::TUpdate<Schema::BackupSettings::ScanSettings>(settings.GetScanSettings().SerializeAsString()), \
+                NIceDb::TUpdate<Schema::BackupSettings::NeedToBill>(settings.GetNeedToBill()), \
+                NIceDb::TUpdate<Schema::BackupSettings::TableDescription>(settings.GetTable().SerializeAsString()), \
+                NIceDb::TUpdate<Schema::BackupSettings::NumberOfRetries>(settings.GetNumberOfRetries())); \
+        } else { \
+            db.Table<Schema::MigratedBackupSettings>().Key(pathId.OwnerId, pathId.LocalPathId).Update( \
+                NIceDb::TUpdate<Schema::MigratedBackupSettings::TableName>(settings.GetTableName()), \
+                NIceDb::TUpdate<Schema::MigratedBackupSettings::Kind>(settings.Get##Kind().SerializeAsString()), \
+                NIceDb::TUpdate<Schema::MigratedBackupSettings::ScanSettings>(settings.GetScanSettings().SerializeAsString()), \
+                NIceDb::TUpdate<Schema::MigratedBackupSettings::NeedToBill>(settings.GetNeedToBill()), \
+                NIceDb::TUpdate<Schema::MigratedBackupSettings::TableDescription>(settings.GetTable().SerializeAsString()), \
+                NIceDb::TUpdate<Schema::MigratedBackupSettings::NumberOfRetries>(settings.GetNumberOfRetries())); \
+        } \
+    }
+
+    PERSIST_BACKUP_SETTINGS(YTSettings)
+    PERSIST_BACKUP_SETTINGS(S3Settings)
+
+#undef PERSIST_BACKUP_SETTINGS
 }
 
 void TSchemeShard::PersistCompletedBackupRestore(NIceDb::TNiceDb& db, TTxId txId, const TTxState& txState, const TTableInfo::TBackupRestoreResult& info, TTableInfo::TBackupRestoreResult::EKind kind) {
     TPathId pathId = txState.TargetPathId;
 
     if (IsLocalId(pathId)) {
-        db.Table<Schema::CompletedBackups>().Key(pathId.LocalPathId, txId, info.CompletionDateTime).Update( 
-            NIceDb::TUpdate<Schema::CompletedBackups::TotalShardCount>(info.TotalShardCount), 
-            NIceDb::TUpdate<Schema::CompletedBackups::SuccessShardCount>(info.SuccessShardCount), 
-            NIceDb::TUpdate<Schema::CompletedBackups::StartTime>(info.StartDateTime), 
-            NIceDb::TUpdate<Schema::CompletedBackups::DataTotalSize>(txState.DataTotalSize), 
-            NIceDb::TUpdate<Schema::CompletedBackups::Kind>(static_cast<ui8>(kind))); 
+        db.Table<Schema::CompletedBackups>().Key(pathId.LocalPathId, txId, info.CompletionDateTime).Update(
+            NIceDb::TUpdate<Schema::CompletedBackups::TotalShardCount>(info.TotalShardCount),
+            NIceDb::TUpdate<Schema::CompletedBackups::SuccessShardCount>(info.SuccessShardCount),
+            NIceDb::TUpdate<Schema::CompletedBackups::StartTime>(info.StartDateTime),
+            NIceDb::TUpdate<Schema::CompletedBackups::DataTotalSize>(txState.DataTotalSize),
+            NIceDb::TUpdate<Schema::CompletedBackups::Kind>(static_cast<ui8>(kind)));
     } else {
         db.Table<Schema::MigratedCompletedBackups>()
             .Key(pathId.OwnerId, pathId.LocalPathId,
                  txId,
-                 info.CompletionDateTime) 
-            .Update(NIceDb::TUpdate<Schema::MigratedCompletedBackups::TotalShardCount>(info.TotalShardCount), 
-                    NIceDb::TUpdate<Schema::MigratedCompletedBackups::SuccessShardCount>(info.SuccessShardCount), 
-                    NIceDb::TUpdate<Schema::MigratedCompletedBackups::StartTime>(info.StartDateTime), 
-                    NIceDb::TUpdate<Schema::MigratedCompletedBackups::DataTotalSize>(txState.DataTotalSize), 
-                    NIceDb::TUpdate<Schema::MigratedCompletedBackups::Kind>(static_cast<ui8>(kind))); 
+                 info.CompletionDateTime)
+            .Update(NIceDb::TUpdate<Schema::MigratedCompletedBackups::TotalShardCount>(info.TotalShardCount),
+                    NIceDb::TUpdate<Schema::MigratedCompletedBackups::SuccessShardCount>(info.SuccessShardCount),
+                    NIceDb::TUpdate<Schema::MigratedCompletedBackups::StartTime>(info.StartDateTime),
+                    NIceDb::TUpdate<Schema::MigratedCompletedBackups::DataTotalSize>(txState.DataTotalSize),
+                    NIceDb::TUpdate<Schema::MigratedCompletedBackups::Kind>(static_cast<ui8>(kind)));
     }
 }
 
 void TSchemeShard::PersistCompletedBackup(NIceDb::TNiceDb& db, TTxId txId, const TTxState& txState, const TTableInfo::TBackupRestoreResult& backupInfo) {
-    PersistCompletedBackupRestore(db, txId, txState, backupInfo, TTableInfo::TBackupRestoreResult::EKind::Backup); 
-} 
- 
+    PersistCompletedBackupRestore(db, txId, txState, backupInfo, TTableInfo::TBackupRestoreResult::EKind::Backup);
+}
+
 void TSchemeShard::PersistCompletedRestore(NIceDb::TNiceDb& db, TTxId txId, const TTxState& txState, const TTableInfo::TBackupRestoreResult& restoreInfo) {
-    PersistCompletedBackupRestore(db, txId, txState, restoreInfo, TTableInfo::TBackupRestoreResult::EKind::Restore); 
-} 
- 
+    PersistCompletedBackupRestore(db, txId, txState, restoreInfo, TTableInfo::TBackupRestoreResult::EKind::Restore);
+}
+
 void TSchemeShard::PersistBackupDone(NIceDb::TNiceDb& db, TPathId pathId) {
     if (IsLocalId(pathId)) {
         db.Table<Schema::BackupSettings>().Key(pathId.LocalPathId).Delete();
@@ -3004,52 +3004,52 @@ void TSchemeShard::PersistSequenceAlterRemove(NIceDb::TNiceDb& db, TPathId pathI
     db.Table<Schema::SequencesAlters>().Key(pathId.LocalPathId).Delete();
 }
 
-void TSchemeShard::PersistReplication(NIceDb::TNiceDb& db, TPathId pathId, const TReplicationInfo& replicationInfo) { 
-    Y_VERIFY(IsLocalId(pathId)); 
- 
-    TString serializedDescription; 
-    Y_VERIFY(replicationInfo.Description.SerializeToString(&serializedDescription)); 
- 
-    db.Table<Schema::Replications>().Key(pathId.LocalPathId).Update( 
-        NIceDb::TUpdate<Schema::Replications::AlterVersion>(replicationInfo.AlterVersion), 
-        NIceDb::TUpdate<Schema::Replications::Description>(serializedDescription)); 
-} 
- 
-void TSchemeShard::PersistReplicationRemove(NIceDb::TNiceDb& db, TPathId pathId) { 
-    Y_VERIFY(IsLocalId(pathId)); 
- 
-    if (!Replications.contains(pathId)) { 
-        return; 
-    } 
- 
-    auto replicationInfo = Replications.at(pathId); 
-    if (replicationInfo->AlterData) { 
-        replicationInfo->AlterData = nullptr; 
-        PersistReplicationAlterRemove(db, pathId); 
-    } 
- 
-    Replications.erase(pathId); 
-    DecrementPathDbRefCount(pathId); 
-    db.Table<Schema::Replications>().Key(pathId.LocalPathId).Delete(); 
-} 
- 
-void TSchemeShard::PersistReplicationAlter(NIceDb::TNiceDb& db, TPathId pathId, const TReplicationInfo& replicationInfo) { 
-    Y_VERIFY(IsLocalId(pathId)); 
- 
-    TString serializedDescription; 
-    Y_VERIFY(replicationInfo.Description.SerializeToString(&serializedDescription)); 
- 
-    db.Table<Schema::ReplicationsAlterData>().Key(pathId.LocalPathId).Update( 
-        NIceDb::TUpdate<Schema::ReplicationsAlterData::AlterVersion>(replicationInfo.AlterVersion), 
-        NIceDb::TUpdate<Schema::ReplicationsAlterData::Description>(serializedDescription)); 
-} 
- 
-void TSchemeShard::PersistReplicationAlterRemove(NIceDb::TNiceDb& db, TPathId pathId) { 
-    Y_VERIFY(IsLocalId(pathId)); 
- 
-    db.Table<Schema::ReplicationsAlterData>().Key(pathId.LocalPathId).Delete(); 
-} 
- 
+void TSchemeShard::PersistReplication(NIceDb::TNiceDb& db, TPathId pathId, const TReplicationInfo& replicationInfo) {
+    Y_VERIFY(IsLocalId(pathId));
+
+    TString serializedDescription;
+    Y_VERIFY(replicationInfo.Description.SerializeToString(&serializedDescription));
+
+    db.Table<Schema::Replications>().Key(pathId.LocalPathId).Update(
+        NIceDb::TUpdate<Schema::Replications::AlterVersion>(replicationInfo.AlterVersion),
+        NIceDb::TUpdate<Schema::Replications::Description>(serializedDescription));
+}
+
+void TSchemeShard::PersistReplicationRemove(NIceDb::TNiceDb& db, TPathId pathId) {
+    Y_VERIFY(IsLocalId(pathId));
+
+    if (!Replications.contains(pathId)) {
+        return;
+    }
+
+    auto replicationInfo = Replications.at(pathId);
+    if (replicationInfo->AlterData) {
+        replicationInfo->AlterData = nullptr;
+        PersistReplicationAlterRemove(db, pathId);
+    }
+
+    Replications.erase(pathId);
+    DecrementPathDbRefCount(pathId);
+    db.Table<Schema::Replications>().Key(pathId.LocalPathId).Delete();
+}
+
+void TSchemeShard::PersistReplicationAlter(NIceDb::TNiceDb& db, TPathId pathId, const TReplicationInfo& replicationInfo) {
+    Y_VERIFY(IsLocalId(pathId));
+
+    TString serializedDescription;
+    Y_VERIFY(replicationInfo.Description.SerializeToString(&serializedDescription));
+
+    db.Table<Schema::ReplicationsAlterData>().Key(pathId.LocalPathId).Update(
+        NIceDb::TUpdate<Schema::ReplicationsAlterData::AlterVersion>(replicationInfo.AlterVersion),
+        NIceDb::TUpdate<Schema::ReplicationsAlterData::Description>(serializedDescription));
+}
+
+void TSchemeShard::PersistReplicationAlterRemove(NIceDb::TNiceDb& db, TPathId pathId) {
+    Y_VERIFY(IsLocalId(pathId));
+
+    db.Table<Schema::ReplicationsAlterData>().Key(pathId.LocalPathId).Delete();
+}
+
 void TSchemeShard::PersistKesusInfo(NIceDb::TNiceDb& db, TPathId pathId, const TKesusInfo::TPtr kesus)
 {
     TString config;
@@ -3137,36 +3137,36 @@ void TSchemeShard::PersistRemoveTable(NIceDb::TNiceDb& db, TPathId pathId, const
     }
     const TTableInfo::TPtr tableInfo = Tables.at(pathId);
 
-    auto clearHistory = [&](const TMap<TTxId, TTableInfo::TBackupRestoreResult>& history) { 
-        for (auto& bItem: history) { 
-            TTxId txId = bItem.first; 
-            const auto& result = bItem.second; 
-
-            for (auto& sItem: result.ShardStatuses) { 
-                auto shard = sItem.first; 
-                if (IsLocalId(shard)) { 
-                    db.Table<Schema::ShardBackupStatus>().Key(txId, shard.GetLocalId()).Delete(); 
-                } 
-                db.Table<Schema::MigratedShardBackupStatus>().Key(txId, shard.GetOwnerId(), shard.GetLocalId()).Delete(); 
-                db.Table<Schema::TxShardStatus>().Key(txId, shard.GetOwnerId(), shard.GetLocalId()).Delete(); 
+    auto clearHistory = [&](const TMap<TTxId, TTableInfo::TBackupRestoreResult>& history) {
+        for (auto& bItem: history) {
+            TTxId txId = bItem.first;
+            const auto& result = bItem.second;
+
+            for (auto& sItem: result.ShardStatuses) {
+                auto shard = sItem.first;
+                if (IsLocalId(shard)) {
+                    db.Table<Schema::ShardBackupStatus>().Key(txId, shard.GetLocalId()).Delete();
+                }
+                db.Table<Schema::MigratedShardBackupStatus>().Key(txId, shard.GetOwnerId(), shard.GetLocalId()).Delete();
+                db.Table<Schema::TxShardStatus>().Key(txId, shard.GetOwnerId(), shard.GetLocalId()).Delete();
             }
 
-            if (IsLocalId(pathId)) { 
-                db.Table<Schema::CompletedBackups>().Key(pathId.LocalPathId, txId, result.CompletionDateTime).Delete(); 
-            } 
-            db.Table<Schema::MigratedCompletedBackups>().Key(pathId.OwnerId, pathId.LocalPathId, txId, result.CompletionDateTime).Delete(); 
+            if (IsLocalId(pathId)) {
+                db.Table<Schema::CompletedBackups>().Key(pathId.LocalPathId, txId, result.CompletionDateTime).Delete();
+            }
+            db.Table<Schema::MigratedCompletedBackups>().Key(pathId.OwnerId, pathId.LocalPathId, txId, result.CompletionDateTime).Delete();
         }
-    }; 
+    };
+
+    clearHistory(tableInfo->BackupHistory);
+    clearHistory(tableInfo->RestoreHistory);
 
-    clearHistory(tableInfo->BackupHistory); 
-    clearHistory(tableInfo->RestoreHistory); 
- 
     if (IsLocalId(pathId)) {
         db.Table<Schema::BackupSettings>().Key(pathId.LocalPathId).Delete();
     }
     db.Table<Schema::MigratedBackupSettings>().Key(pathId.OwnerId, pathId.LocalPathId).Delete();
 
-    db.Table<Schema::RestoreTasks>().Key(pathId.OwnerId, pathId.LocalPathId).Delete(); 
+    db.Table<Schema::RestoreTasks>().Key(pathId.OwnerId, pathId.LocalPathId).Delete();
 
     if (tableInfo->AlterData) {
         auto& alterData = tableInfo->AlterData;
@@ -3190,32 +3190,32 @@ void TSchemeShard::PersistRemoveTable(NIceDb::TNiceDb& db, TPathId pathId, const
             db.Table<Schema::TablePartitions>().Key(pathId.LocalPathId, pNo).Delete();
         }
         db.Table<Schema::MigratedTablePartitions>().Key(pathId.OwnerId, pathId.LocalPathId, pNo).Delete();
-        db.Table<Schema::TablePartitionStats>().Key(pathId.OwnerId, pathId.LocalPathId, pNo).Delete(); 
- 
-        const auto& shardInfo = tableInfo->GetPartitions().at(pNo); 
-        if (const auto& lag = shardInfo.LastCondEraseLag) { 
-            TabletCounters->Percentile()[COUNTER_NUM_SHARDS_BY_TTL_LAG].DecrementFor(lag->Seconds()); 
-        } 
+        db.Table<Schema::TablePartitionStats>().Key(pathId.OwnerId, pathId.LocalPathId, pNo).Delete();
+
+        const auto& shardInfo = tableInfo->GetPartitions().at(pNo);
+        if (const auto& lag = shardInfo.LastCondEraseLag) {
+            TabletCounters->Percentile()[COUNTER_NUM_SHARDS_BY_TTL_LAG].DecrementFor(lag->Seconds());
+        }
     }
 
-    for (const auto& [_, childPathId]: path->GetChildren()) { 
-        Y_VERIFY(PathsById.contains(childPathId)); 
-        auto childPath = PathsById.at(childPathId); 
- 
-        if (childPath->IsTableIndex()) { 
-            PersistRemoveTableIndex(db, childPathId); 
-        } 
+    for (const auto& [_, childPathId]: path->GetChildren()) {
+        Y_VERIFY(PathsById.contains(childPathId));
+        auto childPath = PathsById.at(childPathId);
+
+        if (childPath->IsTableIndex()) {
+            PersistRemoveTableIndex(db, childPathId);
+        }
     }
 
     if (pathId.OwnerId == TabletID()) {
         db.Table<Schema::Tables>().Key(pathId.LocalPathId).Delete();
     }
     db.Table<Schema::MigratedTables>().Key(pathId.OwnerId, pathId.LocalPathId).Delete();
- 
-    if (tableInfo->IsTTLEnabled()) { 
-        TTLEnabledTables.erase(pathId); 
+
+    if (tableInfo->IsTTLEnabled()) {
+        TTLEnabledTables.erase(pathId);
         TabletCounters->Simple()[COUNTER_TTL_ENABLED_TABLE_COUNT].Sub(1);
-    } 
+    }
 
     if (TablesWithSnaphots.contains(pathId)) {
         const TTxId snapshotId = TablesWithSnaphots.at(pathId);
@@ -3230,18 +3230,18 @@ void TSchemeShard::PersistRemoveTable(NIceDb::TNiceDb& db, TPathId pathId, const
     }
 
     if (!tableInfo->IsBackup && !tableInfo->IsShardsStatsDetached()) {
-        auto subDomainId = ResolveDomainId(pathId); 
-        auto subDomainInfo = ResolveDomainInfo(pathId); 
+        auto subDomainId = ResolveDomainId(pathId);
+        auto subDomainInfo = ResolveDomainInfo(pathId);
         subDomainInfo->AggrDiskSpaceUsage(this, TTableInfo::TPartitionStats(), tableInfo->GetStats().Aggregated);
         if (subDomainInfo->CheckDiskSpaceQuotas(this)) {
-            PersistSubDomainState(db, subDomainId, *subDomainInfo); 
-            // Publish is done in a separate transaction, so we may call this directly 
-            TDeque<TPathId> toPublish; 
-            toPublish.push_back(subDomainId); 
-            PublishToSchemeBoard(TTxId(), std::move(toPublish), ctx); 
-        } 
-    }
- 
+            PersistSubDomainState(db, subDomainId, *subDomainInfo);
+            // Publish is done in a separate transaction, so we may call this directly
+            TDeque<TPathId> toPublish;
+            toPublish.push_back(subDomainId);
+            PublishToSchemeBoard(TTxId(), std::move(toPublish), ctx);
+        }
+    }
+
     for (const auto& p: tableInfo->GetPartitions()) {
         CompactionQueue->Remove(TShardCompactionInfo(p.ShardIdx));
     }
@@ -3249,7 +3249,7 @@ void TSchemeShard::PersistRemoveTable(NIceDb::TNiceDb& db, TPathId pathId, const
     Tables.erase(pathId);
     DecrementPathDbRefCount(pathId, "remove table");
 
-    if (AppData()->FeatureFlags.GetEnableSystemViews()) { 
+    if (AppData()->FeatureFlags.GetEnableSystemViews()) {
         auto ev = MakeHolder<NSysView::TEvSysView::TEvRemoveTable>(GetDomainKey(pathId), pathId);
         Send(SysPartitionStatsCollector, ev.Release());
     }
@@ -3323,8 +3323,8 @@ void TSchemeShard::PersistPublishingPath(NIceDb::TNiceDb& db, TTxId txId, TPathI
             .Key(txId, pathId.OwnerId, pathId.LocalPathId, version)
             .Update();
     }
-} 
- 
+}
+
 void TSchemeShard::PersistRemovePublishingPath(NIceDb::TNiceDb& db, TTxId txId, TPathId pathId, ui64 version) {
     DecrementPathDbRefCount(pathId, "remove publishing");
 
@@ -3336,9 +3336,9 @@ void TSchemeShard::PersistRemovePublishingPath(NIceDb::TNiceDb& db, TTxId txId,
 
     db.Table<Schema::MigratedPublishingPaths>()
         .Key(txId, pathId.OwnerId, pathId.LocalPathId, version)
-        .Delete(); 
-} 
- 
+        .Delete();
+}
+
 TTabletId TSchemeShard::GetGlobalHive(const TActorContext& ctx) const {
     auto domainsInfo = AppData(ctx)->DomainsInfo;
 
@@ -3436,12 +3436,12 @@ NKikimrSchemeOp::TPathVersion TSchemeShard::GetPathVersion(const TPath& path) co
 
     const auto pathEl = path.Base();
     const auto pathId = pathEl->PathId;
- 
-    if (pathEl->Dropped()) { 
+
+    if (pathEl->Dropped()) {
         result.SetGeneralVersion(Max<ui64>());
         return result;
-    } 
- 
+    }
+
     ui64 generalVersion = 0;
 
     if (pathEl->IsCreateFinished()) {
@@ -3573,13 +3573,13 @@ NKikimrSchemeOp::TPathVersion TSchemeShard::GetPathVersion(const TPath& path) co
                 generalVersion += result.GetSequenceVersion();
                 break;
             }
-            case NKikimrSchemeOp::EPathType::EPathTypeReplication: { 
-                auto it = Replications.find(pathId); 
-                Y_VERIFY(it != Replications.end()); 
-                result.SetReplicationVersion(it->second->AlterVersion); 
-                generalVersion += result.GetReplicationVersion(); 
-                break; 
-            } 
+            case NKikimrSchemeOp::EPathType::EPathTypeReplication: {
+                auto it = Replications.find(pathId);
+                Y_VERIFY(it != Replications.end());
+                result.SetReplicationVersion(it->second->AlterVersion);
+                generalVersion += result.GetReplicationVersion();
+                break;
+            }
             case NKikimrSchemeOp::EPathType::EPathTypeInvalid: {
                 Y_UNREACHABLE();
             }
@@ -3589,7 +3589,7 @@ NKikimrSchemeOp::TPathVersion TSchemeShard::GetPathVersion(const TPath& path) co
 
     result.SetChildrenVersion(pathEl->DirAlterVersion); //not only childrens but also acl children's version increases it
     generalVersion += result.GetChildrenVersion();
- 
+
     result.SetUserAttrsVersion(pathEl->UserAttrs->AlterVersion);
     generalVersion += result.GetUserAttrsVersion();
 
@@ -3627,7 +3627,7 @@ TActorId TSchemeShard::TPipeClientFactory::CreateClient(const TActorContext& ctx
 TSchemeShard::TSchemeShard(const TActorId &tablet, TTabletStorageInfo *info)
     : TActor(&TThis::StateInit)
     , TTabletExecutedFlat(info, tablet, new NMiniKQL::TMiniKQLFactory)
-    , AllowConditionalEraseOperations(1, 0, 1) 
+    , AllowConditionalEraseOperations(1, 0, 1)
     , AllowServerlessStorageBilling(0, 0, 1)
     , SplitSettings()
     , IsReadOnlyMode(false)
@@ -3641,7 +3641,7 @@ TSchemeShard::TSchemeShard(const TActorId &tablet, TTabletStorageInfo *info)
     , CompactionStarter(this)
     , ShardDeleter(info->TabletID)
     , AllowDataColumnForIndexTable(0, 0, 1)
-    , EnableAsyncIndexes(0, 0, 1) 
+    , EnableAsyncIndexes(0, 0, 1)
     , EnableSchemeTransactionsAtSchemeShard(0, 0, 1)
 {
     TabletCountersPtr.Reset(new TProtobufTabletCounters<
@@ -3697,8 +3697,8 @@ bool TSchemeShard::IsShemeShardConfigured() const {
 }
 
 void TSchemeShard::Die(const TActorContext &ctx) {
-    ctx.Send(SchemeBoardPopulator, new TEvents::TEvPoisonPill()); 
-    ctx.Send(TxAllocatorClient, new TEvents::TEvPoisonPill()); 
+    ctx.Send(SchemeBoardPopulator, new TEvents::TEvPoisonPill());
+    ctx.Send(TxAllocatorClient, new TEvents::TEvPoisonPill());
     ctx.Send(SysPartitionStatsCollector, new TEvents::TEvPoisonPill());
 
     ShardDeleter.Shutdown(ctx);
@@ -3721,17 +3721,17 @@ void TSchemeShard::OnTabletDead(TEvTablet::TEvTabletDead::TPtr &ev, const TActor
     Die(ctx);
 }
 
-static TVector<ui64> CollectTxAllocators(const TAppData *appData) { 
-    TVector<ui64> allocators; 
-    for (auto it: appData->DomainsInfo->Domains) { 
-        auto &domain = it.second; 
-        for (auto tabletId: domain->TxAllocators) { 
-            allocators.push_back(tabletId); 
-        } 
-    } 
-    return allocators; 
-} 
- 
+static TVector<ui64> CollectTxAllocators(const TAppData *appData) {
+    TVector<ui64> allocators;
+    for (auto it: appData->DomainsInfo->Domains) {
+        auto &domain = it.second;
+        for (auto tabletId: domain->TxAllocators) {
+            allocators.push_back(tabletId);
+        }
+    }
+    return allocators;
+}
+
 void TSchemeShard::OnActivateExecutor(const TActorContext &ctx) {
     const TTabletId selfTabletId = SelfTabletId();
 
@@ -3742,8 +3742,8 @@ void TSchemeShard::OnActivateExecutor(const TActorContext &ctx) {
     auto appData = AppData(ctx);
     Y_VERIFY(appData);
 
-    EnableBackgroundCompaction = appData->FeatureFlags.GetEnableBackgroundCompaction(); 
-    EnableBackgroundCompactionServerless = appData->FeatureFlags.GetEnableBackgroundCompactionServerless(); 
+    EnableBackgroundCompaction = appData->FeatureFlags.GetEnableBackgroundCompaction();
+    EnableBackgroundCompactionServerless = appData->FeatureFlags.GetEnableBackgroundCompactionServerless();
     if (!CompactionQueue)
         ConfigureCompactionQueue(appData->CompactionConfig.GetBackgroundCompactionConfig(), ctx);
 
@@ -3753,26 +3753,26 @@ void TSchemeShard::OnActivateExecutor(const TActorContext &ctx) {
         ChannelProfiles = appData->ChannelProfiles;
     }
 
-    appData->Icb->RegisterSharedControl(AllowConditionalEraseOperations, "SchemeShard_AllowConditionalEraseOperations"); 
- 
-    AllowDataColumnForIndexTable = appData->FeatureFlags.GetEnableDataColumnForIndexTable(); 
+    appData->Icb->RegisterSharedControl(AllowConditionalEraseOperations, "SchemeShard_AllowConditionalEraseOperations");
+
+    AllowDataColumnForIndexTable = appData->FeatureFlags.GetEnableDataColumnForIndexTable();
     appData->Icb->RegisterSharedControl(AllowDataColumnForIndexTable, "SchemeShard_AllowDataColumnForIndexTable");
 
-    EnableAsyncIndexes = appData->FeatureFlags.GetEnableAsyncIndexes(); 
-    appData->Icb->RegisterSharedControl(EnableAsyncIndexes, "SchemeShard_EnableAsyncIndexes"); 
- 
+    EnableAsyncIndexes = appData->FeatureFlags.GetEnableAsyncIndexes();
+    appData->Icb->RegisterSharedControl(EnableAsyncIndexes, "SchemeShard_EnableAsyncIndexes");
+
     EnableSchemeTransactionsAtSchemeShard = appData->FeatureFlags.GetEnableSchemeTransactionsAtSchemeShard();
     appData->Icb->RegisterSharedControl(EnableSchemeTransactionsAtSchemeShard, "SchemeShard_EnableSchemeTransactionsAtSchemeShard");
 
-    for (const auto& sid : appData->MeteringConfig.GetSystemBackupSIDs()) { 
-        SystemBackupSIDs.insert(sid); 
-    } 
- 
+    for (const auto& sid : appData->MeteringConfig.GetSystemBackupSIDs()) {
+        SystemBackupSIDs.insert(sid);
+    }
+
     AllowServerlessStorageBilling = appData->FeatureFlags.GetAllowServerlessStorageBillingForSchemeShard();
     appData->Icb->RegisterSharedControl(AllowServerlessStorageBilling, "SchemeShard_AllowServerlessStorageBilling");
 
     TxAllocatorClient = RegisterWithSameMailbox(CreateTxAllocatorClient(CollectTxAllocators(appData)));
- 
+
     SysPartitionStatsCollector = Register(NSysView::CreatePartitionStatsCollector().Release());
 
     SplitSettings.Register(appData->Icb);
@@ -3905,14 +3905,14 @@ void TSchemeShard::StateWork(STFUNC_SIG) {
         HFuncTraced(NSequenceShard::TEvSequenceShard::TEvRestoreSequenceResult, Handle);
         HFuncTraced(NSequenceShard::TEvSequenceShard::TEvRedirectSequenceResult, Handle);
 
-        // replication 
-        HFuncTraced(NReplication::TEvController::TEvCreateReplicationResult, Handle); 
-        HFuncTraced(NReplication::TEvController::TEvDropReplicationResult, Handle); 
- 
-        // conditional erase 
-        HFuncTraced(TEvPrivate::TEvRunConditionalErase, Handle); 
-        HFuncTraced(TEvDataShard::TEvConditionalEraseRowsResponse, Handle); 
- 
+        // replication
+        HFuncTraced(NReplication::TEvController::TEvCreateReplicationResult, Handle);
+        HFuncTraced(NReplication::TEvController::TEvDropReplicationResult, Handle);
+
+        // conditional erase
+        HFuncTraced(TEvPrivate::TEvRunConditionalErase, Handle);
+        HFuncTraced(TEvDataShard::TEvConditionalEraseRowsResponse, Handle);
+
         HFuncTraced(TEvPrivate::TEvServerlessStorageBilling, Handle);
 
         HFuncTraced(NSysView::TEvSysView::TEvGetPartitionStats, Handle);
@@ -3931,7 +3931,7 @@ void TSchemeShard::StateWork(STFUNC_SIG) {
         HFuncTraced(TEvSchemeShard::TEvSyncTenantSchemeShard, Handle);
         HFuncTraced(TEvSchemeShard::TEvUpdateTenantSchemeShard, Handle);
 
-        HFuncTraced(TSchemeBoardEvents::TEvUpdateAck, Handle); 
+        HFuncTraced(TSchemeBoardEvents::TEvUpdateAck, Handle);
 
         HFuncTraced(TEvBlockStore::TEvUpdateVolumeConfigResponse, Handle);
         HFuncTraced(TEvFileStore::TEvUpdateConfigResponse, Handle);
@@ -3944,24 +3944,24 @@ void TSchemeShard::StateWork(STFUNC_SIG) {
         HFuncTraced(TEvTabletPipe::TEvClientDestroyed, Handle);
         HFuncTraced(TEvTabletPipe::TEvServerConnected, Handle);
         HFuncTraced(TEvTabletPipe::TEvServerDisconnected, Handle);
- 
-        // namespace NExport { 
-        HFuncTraced(TEvExport::TEvCreateExportRequest, Handle); 
-        HFuncTraced(TEvExport::TEvGetExportRequest, Handle); 
-        HFuncTraced(TEvExport::TEvCancelExportRequest, Handle); 
-        HFuncTraced(TEvExport::TEvForgetExportRequest, Handle); 
-        HFuncTraced(TEvExport::TEvListExportsRequest, Handle); 
+
+        // namespace NExport {
+        HFuncTraced(TEvExport::TEvCreateExportRequest, Handle);
+        HFuncTraced(TEvExport::TEvGetExportRequest, Handle);
+        HFuncTraced(TEvExport::TEvCancelExportRequest, Handle);
+        HFuncTraced(TEvExport::TEvForgetExportRequest, Handle);
+        HFuncTraced(TEvExport::TEvListExportsRequest, Handle);
         // } // NExport
- 
-        // namespace NImport { 
-        HFuncTraced(TEvImport::TEvCreateImportRequest, Handle); 
-        HFuncTraced(TEvImport::TEvGetImportRequest, Handle); 
-        HFuncTraced(TEvImport::TEvCancelImportRequest, Handle); 
-        HFuncTraced(TEvImport::TEvForgetImportRequest, Handle); 
-        HFuncTraced(TEvImport::TEvListImportsRequest, Handle); 
-        HFuncTraced(TEvPrivate::TEvImportSchemeReady, Handle); 
-        // } // NImport 
- 
+
+        // namespace NImport {
+        HFuncTraced(TEvImport::TEvCreateImportRequest, Handle);
+        HFuncTraced(TEvImport::TEvGetImportRequest, Handle);
+        HFuncTraced(TEvImport::TEvCancelImportRequest, Handle);
+        HFuncTraced(TEvImport::TEvForgetImportRequest, Handle);
+        HFuncTraced(TEvImport::TEvListImportsRequest, Handle);
+        HFuncTraced(TEvPrivate::TEvImportSchemeReady, Handle);
+        // } // NImport
+
         //namespace NIndexBuilder {
         HFuncTraced(TEvIndexBuilder::TEvCreateRequest, Handle);
         HFuncTraced(TEvIndexBuilder::TEvGetRequest, Handle);
@@ -3970,17 +3970,17 @@ void TSchemeShard::StateWork(STFUNC_SIG) {
         HFuncTraced(TEvIndexBuilder::TEvListRequest, Handle);
         HFuncTraced(TEvDataShard::TEvBuildIndexProgressResponse, Handle);
         HFuncTraced(TEvPrivate::TEvIndexBuildingMakeABill, Handle);
-        // } // NIndexBuilder 
+        // } // NIndexBuilder
 
-        // namespace NLongRunningCommon { 
-        HFuncTraced(TEvTxAllocatorClient::TEvAllocateResult, Handle); 
+        // namespace NLongRunningCommon {
+        HFuncTraced(TEvTxAllocatorClient::TEvAllocateResult, Handle);
         HFuncTraced(TEvSchemeShard::TEvModifySchemeTransactionResult, Handle);
-        HFuncTraced(TEvIndexBuilder::TEvCreateResponse, Handle); 
+        HFuncTraced(TEvIndexBuilder::TEvCreateResponse, Handle);
         HFuncTraced(TEvSchemeShard::TEvNotifyTxCompletionRegistered, Handle);
         HFuncTraced(TEvSchemeShard::TEvNotifyTxCompletionResult, Handle);
         HFuncTraced(TEvSchemeShard::TEvCancelTxResult, Handle);
-        HFuncTraced(TEvIndexBuilder::TEvCancelResponse, Handle); 
-        // } // NLongRunningCommon 
+        HFuncTraced(TEvIndexBuilder::TEvCancelResponse, Handle);
+        // } // NLongRunningCommon
 
         //console configs
         HFuncTraced(NConsole::TEvConfigsDispatcher::TEvSetConfigSubscriptionResponse, Handle);
@@ -4269,15 +4269,15 @@ void TSchemeShard::UncountNode(TPathElement::TPtr node) {
     case TPathElement::EPathType::EPathTypeColumnTable:
         // TODO
         break;
-    case TPathElement::EPathType::EPathTypeCdcStream: 
+    case TPathElement::EPathType::EPathTypeCdcStream:
         TabletCounters->Simple()[COUNTER_CDC_STREAMS_COUNT].Sub(1);
-        break; 
+        break;
     case TPathElement::EPathType::EPathTypeSequence:
         TabletCounters->Simple()[COUNTER_SEQUENCE_COUNT].Sub(1);
         break;
-    case TPathElement::EPathType::EPathTypeReplication: 
-        TabletCounters->Simple()[COUNTER_REPLICATION_COUNT].Sub(1); 
-        break; 
+    case TPathElement::EPathType::EPathTypeReplication:
+        TabletCounters->Simple()[COUNTER_REPLICATION_COUNT].Sub(1);
+        break;
     case TPathElement::EPathType::EPathTypeInvalid:
         Y_FAIL("imposible path type");
     }
@@ -4381,7 +4381,7 @@ TString TSchemeShard::FillBackupTxBody(TPathId pathId, const NKikimrSchemeOp::TB
     NKikimrTxDataShard::TFlatSchemeTransaction tx;
     FillSeqNo(tx, seqNo);
     auto backup = tx.MutableBackup();
-    backup->CopyFrom(task); 
+    backup->CopyFrom(task);
     backup->SetTableId(pathId.LocalPathId);
     backup->SetShardNum(shardNum);
 
@@ -4639,13 +4639,13 @@ void TSchemeShard::Handle(TEvSchemeShard::TEvUpdateTenantSchemeShard::TPtr& ev,
 }
 
 void TSchemeShard::Handle(TSchemeBoardEvents::TEvUpdateAck::TPtr& ev, const TActorContext& ctx) {
-    const auto& record = ev->Get()->Record; 
-    LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-               "Handle TEvUpdateAck" 
-                   << ", at schemeshard: " << TabletID() 
-                   << ", msg: " << record.ShortDebugString() 
-                   << ", cookie: " << ev->Cookie); 
- 
+    const auto& record = ev->Get()->Record;
+    LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+               "Handle TEvUpdateAck"
+                   << ", at schemeshard: " << TabletID()
+                   << ", msg: " << record.ShortDebugString()
+                   << ", cookie: " << ev->Cookie);
+
     const auto pathId = TPathId(ev->Get()->Record.GetPathOwnerId(), ev->Get()->Record.GetLocalPathId());
     if (DelayedInitTenantReply && DelayedInitTenantDestination && pathId == RootPathId()) {
         ctx.Send(DelayedInitTenantDestination, DelayedInitTenantReply.Release());
@@ -4658,17 +4658,17 @@ void TSchemeShard::Handle(TSchemeBoardEvents::TEvUpdateAck::TPtr& ev, const TAct
         return;
     }
 
-    if (!Operations.contains(txId) && !Publications.contains(txId)) { 
-        LOG_WARN_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                   "Got TEvUpdateAck" 
-                   << " for unknown txId " << txId 
-                   << ", at schemeshard: " << TabletID()); 
-        return; 
-    } 
- 
-    Execute(CreateTxAckPublishToSchemeBoard(ev), ctx); 
-} 
- 
+    if (!Operations.contains(txId) && !Publications.contains(txId)) {
+        LOG_WARN_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                   "Got TEvUpdateAck"
+                   << " for unknown txId " << txId
+                   << ", at schemeshard: " << TabletID());
+        return;
+    }
+
+    Execute(CreateTxAckPublishToSchemeBoard(ev), ctx);
+}
+
 void TSchemeShard::Handle(TEvTxProcessing::TEvPlanStep::TPtr &ev, const TActorContext &ctx) {
     Execute(CreateTxOperationPlanStep(ev), ctx);
 }
@@ -4787,18 +4787,18 @@ void TSchemeShard::Handle(TEvPersQueue::TEvDropTabletReply::TPtr &ev, const TAct
         return;
     }
 
-    auto tabletId = TTabletId(ev->Get()->Record.GetTabletId()); 
-    TSubTxId partId = Operations.at(txId)->FindRelatedPartByTabletId(tabletId, ctx); 
-    if (partId == InvalidSubTxId) { 
-        LOG_WARN_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                   "Got TEvPersQueue::TEvDropTabletReply but partId is unknown" 
-                       << ", for txId: " << txId 
-                       << ", tabletId: " << tabletId 
-                       << ", at schemeshard: " << TabletID()); 
-        return; 
-    } 
- 
-    Execute(CreateTxOperationReply(TOperationId(txId, partId), ev), ctx); 
+    auto tabletId = TTabletId(ev->Get()->Record.GetTabletId());
+    TSubTxId partId = Operations.at(txId)->FindRelatedPartByTabletId(tabletId, ctx);
+    if (partId == InvalidSubTxId) {
+        LOG_WARN_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                   "Got TEvPersQueue::TEvDropTabletReply but partId is unknown"
+                       << ", for txId: " << txId
+                       << ", tabletId: " << tabletId
+                       << ", at schemeshard: " << TabletID());
+        return;
+    }
+
+    Execute(CreateTxOperationReply(TOperationId(txId, partId), ev), ctx);
 }
 
 void TSchemeShard::Handle(TEvPersQueue::TEvUpdateConfigResponse::TPtr &ev, const TActorContext &ctx) {
@@ -4815,7 +4815,7 @@ void TSchemeShard::Handle(TEvPersQueue::TEvUpdateConfigResponse::TPtr &ev, const
     TSubTxId partId = Operations.at(txId)->FindRelatedPartByTabletId(tabletId, ctx);
     if (partId == InvalidSubTxId) {
         LOG_WARN_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
-                   "Got TEvUpdateConfigResponse but partId is unknown" 
+                   "Got TEvUpdateConfigResponse but partId is unknown"
                        << ", for txId: " << txId
                        << ", tabletId: " << tabletId
                        << ", at schemeshard: " << TabletID());
@@ -4949,28 +4949,28 @@ void TSchemeShard::Handle(NSequenceShard::TEvSequenceShard::TEvRedirectSequenceR
     Execute(CreateTxOperationReply(TOperationId(txId, partId), ev), ctx);
 }
 
-void TSchemeShard::Handle(NReplication::TEvController::TEvCreateReplicationResult::TPtr &ev, const TActorContext &ctx) { 
-    LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                "Handle TEvCreateReplicationResult" 
-                << ", at schemeshard: " << TabletID() 
-                << ", message: " << ev->Get()->Record.ShortDebugString()); 
- 
-    const auto txId = TTxId(ev->Get()->Record.GetOperationId().GetTxId()); 
-    const auto partId = TSubTxId(ev->Get()->Record.GetOperationId().GetPartId()); 
-    Execute(CreateTxOperationReply(TOperationId(txId, partId), ev), ctx); 
-} 
- 
-void TSchemeShard::Handle(NReplication::TEvController::TEvDropReplicationResult::TPtr &ev, const TActorContext &ctx) { 
-    LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                "Handle TEvDropReplicationResult" 
-                << ", at schemeshard: " << TabletID() 
-                << ", message: " << ev->Get()->Record.ShortDebugString()); 
- 
-    const auto txId = TTxId(ev->Get()->Record.GetOperationId().GetTxId()); 
-    const auto partId = TSubTxId(ev->Get()->Record.GetOperationId().GetPartId()); 
-    Execute(CreateTxOperationReply(TOperationId(txId, partId), ev), ctx); 
-} 
- 
+void TSchemeShard::Handle(NReplication::TEvController::TEvCreateReplicationResult::TPtr &ev, const TActorContext &ctx) {
+    LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                "Handle TEvCreateReplicationResult"
+                << ", at schemeshard: " << TabletID()
+                << ", message: " << ev->Get()->Record.ShortDebugString());
+
+    const auto txId = TTxId(ev->Get()->Record.GetOperationId().GetTxId());
+    const auto partId = TSubTxId(ev->Get()->Record.GetOperationId().GetPartId());
+    Execute(CreateTxOperationReply(TOperationId(txId, partId), ev), ctx);
+}
+
+void TSchemeShard::Handle(NReplication::TEvController::TEvDropReplicationResult::TPtr &ev, const TActorContext &ctx) {
+    LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                "Handle TEvDropReplicationResult"
+                << ", at schemeshard: " << TabletID()
+                << ", message: " << ev->Get()->Record.ShortDebugString());
+
+    const auto txId = TTxId(ev->Get()->Record.GetOperationId().GetTxId());
+    const auto partId = TSubTxId(ev->Get()->Record.GetOperationId().GetPartId());
+    Execute(CreateTxOperationReply(TOperationId(txId, partId), ev), ctx);
+}
+
 void TSchemeShard::Handle(TEvDataShard::TEvProposeTransactionResult::TPtr &ev, const TActorContext &ctx) {
     LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                 "Handle TEvProposeTransactionResult"
@@ -5016,13 +5016,13 @@ void TSchemeShard::Handle(TEvSubDomain::TEvConfigureStatus::TPtr &ev, const TAct
 
     if (opId.GetSubTxId() == InvalidSubTxId) {
         LOG_WARN_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
-                   "Got TEvSubDomain::TEvConfigureStatus but partId in unknown" 
+                   "Got TEvSubDomain::TEvConfigureStatus but partId in unknown"
                        << ", for txId: " << opId.GetTxId()
-                       << ", tabletId: " << tabletId 
-                       << ", at schemeshard: " << TabletID()); 
-        return; 
-    } 
- 
+                       << ", tabletId: " << tabletId
+                       << ", at schemeshard: " << TabletID());
+        return;
+    }
+
     Execute(CreateTxOperationReply(opId, ev), ctx);
 }
 
@@ -5038,16 +5038,16 @@ void TSchemeShard::Handle(TEvBlockStore::TEvUpdateVolumeConfigResponse::TPtr& ev
 
     auto tabletId = TTabletId(ev->Get()->Record.GetOrigin());
     auto partId = Operations.at(txId)->FindRelatedPartByTabletId(tabletId, ctx);
-    if (partId == InvalidSubTxId) { 
-        LOG_WARN_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                   "Got TEvUpdateVolumeConfigResponse but partId in unknown" 
-                       << ", for txId: " << txId 
-                       << ", tabletId: " << tabletId 
-                       << ", at schemeshard: " << TabletID()); 
-        return; 
-    } 
- 
-    Execute(CreateTxOperationReply(TOperationId(txId, partId), ev), ctx); 
+    if (partId == InvalidSubTxId) {
+        LOG_WARN_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                   "Got TEvUpdateVolumeConfigResponse but partId in unknown"
+                       << ", for txId: " << txId
+                       << ", tabletId: " << tabletId
+                       << ", at schemeshard: " << TabletID());
+        return;
+    }
+
+    Execute(CreateTxOperationReply(TOperationId(txId, partId), ev), ctx);
 }
 
 void TSchemeShard::Handle(TEvFileStore::TEvUpdateConfigResponse::TPtr& ev, const TActorContext& ctx) {
@@ -5176,13 +5176,13 @@ void TSchemeShard::Handle(NKesus::TEvKesus::TEvSetConfigResult::TPtr& ev, const
 
     if (opId.GetSubTxId() == InvalidSubTxId) {
         LOG_WARN_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
-                   "Got NKesus::TEvKesus::TEvSetConfigResult but partId in unknown" 
+                   "Got NKesus::TEvKesus::TEvSetConfigResult but partId in unknown"
                        << ", for txId: " << opId.GetTxId()
-                       << ", tabletId: " << tabletId 
-                       << ", at schemeshard: " << TabletID()); 
-        return; 
-    } 
- 
+                       << ", tabletId: " << tabletId
+                       << ", at schemeshard: " << TabletID());
+        return;
+    }
+
     Execute(CreateTxOperationReply(opId, ev), ctx);
 }
 
@@ -5336,16 +5336,16 @@ void TSchemeShard::Handle(TEvDataShard::TEvMigrateSchemeShardResponse::TPtr &ev,
 }
 
 void TSchemeShard::ScheduleConditionalEraseRun(const TActorContext& ctx) {
-    ctx.Schedule(TDuration::Minutes(1), new TEvPrivate::TEvRunConditionalErase()); 
-} 
- 
+    ctx.Schedule(TDuration::Minutes(1), new TEvPrivate::TEvRunConditionalErase());
+}
+
 void TSchemeShard::Handle(TEvPrivate::TEvRunConditionalErase::TPtr& ev, const TActorContext& ctx) {
-    LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "Handle: TEvRunConditionalErase" 
-        << ", at schemeshard: " << TabletID()); 
- 
-    Execute(CreateTxRunConditionalErase(ev), ctx); 
-} 
- 
+    LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "Handle: TEvRunConditionalErase"
+        << ", at schemeshard: " << TabletID());
+
+    Execute(CreateTxRunConditionalErase(ev), ctx);
+}
+
 void TSchemeShard::ScheduleServerlessStorageBilling(const TActorContext &ctx) {
     ctx.Send(SelfId(), new TEvPrivate::TEvServerlessStorageBilling());
 }
@@ -5355,27 +5355,27 @@ void TSchemeShard::Handle(TEvPrivate::TEvServerlessStorageBilling::TPtr &, const
 }
 
 void TSchemeShard::Handle(TEvDataShard::TEvConditionalEraseRowsResponse::TPtr& ev, const TActorContext& ctx) {
-    const auto& record = ev->Get()->Record; 
-    const TTabletId tabletId(record.GetTabletID()); 
-    const TShardIdx shardIdx = GetShardIdx(tabletId); 
- 
-    if (!ShardInfos.contains(shardIdx)) { 
-        LOG_WARN_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "Unable to resolve shard info" 
-            << ": tabletId: " << tabletId 
-            << ", at schemeshard: " << TabletID()); 
-        return; 
-    } 
- 
-    if (record.GetStatus() == NKikimrTxDataShard::TEvConditionalEraseRowsResponse::ACCEPTED) { 
-        LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "Conditional erase accepted" 
-            << ": tabletId: " << tabletId 
-            << ", at schemeshard: " << TabletID()); 
-        return; 
-    } 
- 
-    Execute(CreateTxScheduleConditionalErase(ev), ctx); 
-} 
- 
+    const auto& record = ev->Get()->Record;
+    const TTabletId tabletId(record.GetTabletID());
+    const TShardIdx shardIdx = GetShardIdx(tabletId);
+
+    if (!ShardInfos.contains(shardIdx)) {
+        LOG_WARN_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "Unable to resolve shard info"
+            << ": tabletId: " << tabletId
+            << ", at schemeshard: " << TabletID());
+        return;
+    }
+
+    if (record.GetStatus() == NKikimrTxDataShard::TEvConditionalEraseRowsResponse::ACCEPTED) {
+        LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, "Conditional erase accepted"
+            << ": tabletId: " << tabletId
+            << ", at schemeshard: " << TabletID());
+        return;
+    }
+
+    Execute(CreateTxScheduleConditionalErase(ev), ctx);
+}
+
 void TSchemeShard::Handle(TEvTxAllocatorClient::TEvAllocateResult::TPtr& ev, const TActorContext& ctx) {
     LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                    "Handle: TEvAllocateResult"
@@ -5389,9 +5389,9 @@ void TSchemeShard::Handle(TEvTxAllocatorClient::TEvAllocateResult::TPtr& ev, con
         }
         return;
     } else if (Exports.contains(id)) {
-        return Execute(CreateTxProgressExport(ev), ctx); 
-    } else if (Imports.contains(id)) { 
-        return Execute(CreateTxProgressImport(ev), ctx); 
+        return Execute(CreateTxProgressExport(ev), ctx);
+    } else if (Imports.contains(id)) {
+        return Execute(CreateTxProgressImport(ev), ctx);
     } else if (IndexBuilds.contains(TIndexBuildId(id))) {
         return Execute(CreateTxReply(ev), ctx);
     }
@@ -5413,9 +5413,9 @@ void TSchemeShard::Handle(TEvSchemeShard::TEvModifySchemeTransactionResult::TPtr
     const auto txId = TTxId(ev->Get()->Record.GetTxId());
 
     if (TxIdToExport.contains(txId)) {
-        return Execute(CreateTxProgressExport(ev), ctx); 
-    } else if (TxIdToImport.contains(txId)) { 
-        return Execute(CreateTxProgressImport(ev), ctx); 
+        return Execute(CreateTxProgressExport(ev), ctx);
+    } else if (TxIdToImport.contains(txId)) {
+        return Execute(CreateTxProgressImport(ev), ctx);
     } else if (TxIdToIndexBuilds.contains(txId)) {
         return Execute(CreateTxReply(ev), ctx);
     }
@@ -5427,29 +5427,29 @@ void TSchemeShard::Handle(TEvSchemeShard::TEvModifySchemeTransactionResult::TPtr
 }
 
 void TSchemeShard::Handle(TEvIndexBuilder::TEvCreateResponse::TPtr& ev, const TActorContext& ctx) {
-    LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                   "Handle: TEvIndexBuilder::TEvCreateResponse" 
-                   << ": txId# " << ev->Get()->Record.GetTxId() 
-                   << ", status# " << ev->Get()->Record.GetStatus()); 
-    LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                "Message:\n" << ev->Get()->Record.ShortDebugString()); 
- 
-    const auto txId = TTxId(ev->Get()->Record.GetTxId()); 
- 
-    if (TxIdToImport.contains(txId)) { 
-        return Execute(CreateTxProgressImport(ev), ctx); 
-    } 
- 
-    LOG_WARN_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-               "no able to determine destination for message TEvIndexBuilder::TEvCreateResponse: " 
-                   << " txId: " << txId 
-                   << ", at schemeshard: " << TabletID()); 
-} 
- 
+    LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                   "Handle: TEvIndexBuilder::TEvCreateResponse"
+                   << ": txId# " << ev->Get()->Record.GetTxId()
+                   << ", status# " << ev->Get()->Record.GetStatus());
+    LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                "Message:\n" << ev->Get()->Record.ShortDebugString());
+
+    const auto txId = TTxId(ev->Get()->Record.GetTxId());
+
+    if (TxIdToImport.contains(txId)) {
+        return Execute(CreateTxProgressImport(ev), ctx);
+    }
+
+    LOG_WARN_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+               "no able to determine destination for message TEvIndexBuilder::TEvCreateResponse: "
+                   << " txId: " << txId
+                   << ", at schemeshard: " << TabletID());
+}
+
 void TSchemeShard::Handle(TEvSchemeShard::TEvNotifyTxCompletionRegistered::TPtr&, const TActorContext&) {
-    // just ignore 
-} 
- 
+    // just ignore
+}
+
 void TSchemeShard::Handle(TEvSchemeShard::TEvNotifyTxCompletionResult::TPtr& ev, const TActorContext& ctx) {
     LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
                "Handle: TEvNotifyTxCompletionResult"
@@ -5460,9 +5460,9 @@ void TSchemeShard::Handle(TEvSchemeShard::TEvNotifyTxCompletionResult::TPtr& ev,
     const auto txId = TTxId(ev->Get()->Record.GetTxId());
 
     if (TxIdToExport.contains(txId)) {
-        return Execute(CreateTxProgressExport(ev), ctx); 
-    } else if (TxIdToImport.contains(txId)) { 
-        return Execute(CreateTxProgressImport(ev), ctx); 
+        return Execute(CreateTxProgressExport(ev), ctx);
+    } else if (TxIdToImport.contains(txId)) {
+        return Execute(CreateTxProgressImport(ev), ctx);
     } else if (TxIdToIndexBuilds.contains(txId)) {
         return Execute(CreateTxReply(ev), ctx);
     }
@@ -5474,45 +5474,45 @@ void TSchemeShard::Handle(TEvSchemeShard::TEvNotifyTxCompletionResult::TPtr& ev,
 }
 
 void TSchemeShard::Handle(TEvSchemeShard::TEvCancelTxResult::TPtr& ev, const TActorContext& ctx) {
-    LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-               "Handle: TEvCancelTxResult" 
-                   << ": Cookie: " << ev->Cookie 
-                   << ", at schemeshard: " << TabletID()); 
-    LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                "Message:\n" << ev->Get()->Record.ShortDebugString()); 
-
-    const ui64 id = ev->Cookie; 
-    if (Exports.contains(id)) { 
-        return Execute(CreateTxCancelExportAck(ev), ctx); 
-    } else if (Imports.contains(id)) { 
-        return Execute(CreateTxCancelImportAck(ev), ctx); 
-    } 
- 
-    LOG_WARN_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-               "no able to determine destination for message TEvCancelTxResult" 
-                   << ": Cookie: " << id 
-                   << ", at schemeshard: " << TabletID()); 
-} 
- 
+    LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+               "Handle: TEvCancelTxResult"
+                   << ": Cookie: " << ev->Cookie
+                   << ", at schemeshard: " << TabletID());
+    LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                "Message:\n" << ev->Get()->Record.ShortDebugString());
+
+    const ui64 id = ev->Cookie;
+    if (Exports.contains(id)) {
+        return Execute(CreateTxCancelExportAck(ev), ctx);
+    } else if (Imports.contains(id)) {
+        return Execute(CreateTxCancelImportAck(ev), ctx);
+    }
+
+    LOG_WARN_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+               "no able to determine destination for message TEvCancelTxResult"
+                   << ": Cookie: " << id
+                   << ", at schemeshard: " << TabletID());
+}
+
 void TSchemeShard::Handle(TEvIndexBuilder::TEvCancelResponse::TPtr& ev, const TActorContext& ctx) {
-    LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-               "Handle: TEvIndexBuilder::TEvCancelResponse" 
-                   << ": Cookie: " << ev->Cookie 
-                   << ", at schemeshard: " << TabletID()); 
-    LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-                "Message:\n" << ev->Get()->Record.ShortDebugString()); 
- 
-    const ui64 id = ev->Cookie; 
-    if (Imports.contains(id)) { 
-        return Execute(CreateTxCancelImportAck(ev), ctx); 
-    } 
- 
-    LOG_WARN_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD, 
-               "no able to determine destination for message TEvIndexBuilder::TEvCancelResponse" 
-                   << ": Cookie: " << id 
-                   << ", at schemeshard: " << TabletID()); 
-} 
- 
+    LOG_INFO_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+               "Handle: TEvIndexBuilder::TEvCancelResponse"
+                   << ": Cookie: " << ev->Cookie
+                   << ", at schemeshard: " << TabletID());
+    LOG_DEBUG_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+                "Message:\n" << ev->Get()->Record.ShortDebugString());
+
+    const ui64 id = ev->Cookie;
+    if (Imports.contains(id)) {
+        return Execute(CreateTxCancelImportAck(ev), ctx);
+    }
+
+    LOG_WARN_S(ctx, NKikimrServices::FLAT_TX_SCHEMESHARD,
+               "no able to determine destination for message TEvIndexBuilder::TEvCancelResponse"
+                   << ": Cookie: " << id
+                   << ", at schemeshard: " << TabletID());
+}
+
 void TSchemeShard::FillSeqNo(NKikimrTxDataShard::TFlatSchemeTransaction& tx, TMessageSeqNo seqNo) {
     tx.MutableSeqNo()->SetGeneration(seqNo.Generation);
     tx.MutableSeqNo()->SetRound(seqNo.Round);
@@ -5540,7 +5540,7 @@ TString TSchemeShard::FillAlterTableTxBody(TPathId pathId, TShardIdx shardIdx, T
     proto->SetName(path->Name);
 
     proto->SetId_Deprecated(pathId.LocalPathId);
-    PathIdFromPathId(pathId, proto->MutablePathId()); 
+    PathIdFromPathId(pathId, proto->MutablePathId());
 
     for (const auto& col : alterData->Columns) {
         const TTableInfo::TColumn& colInfo = col.second;
@@ -5627,7 +5627,7 @@ void TSchemeShard::ApplyPartitionConfigStoragePatch(
 void TSchemeShard::FillTableDescriptionForShardIdx(
         TPathId tableId, TShardIdx shardIdx, NKikimrSchemeOp::TTableDescription* tableDescr,
         TString rangeBegin, TString rangeEnd,
-        bool rangeBeginInclusive, bool rangeEndInclusive, bool newTable) 
+        bool rangeBeginInclusive, bool rangeEndInclusive, bool newTable)
 {
     Y_VERIFY_S(Tables.contains(tableId), "Unknown table id " << tableId);
     const TTableInfo::TPtr tinfo = Tables.at(tableId);
@@ -5656,40 +5656,40 @@ void TSchemeShard::FillTableDescriptionForShardIdx(
             *tableDescr->MutablePartitionConfig(),
             *patch);
     }
- 
+
     if (tinfo->IsBackup) {
         tableDescr->SetIsBackup(true);
     }
 
-    // Fill indexes & cdc streams (if any) 
-    for (const auto& child : pinfo->GetChildren()) { 
-        const auto& childName = child.first; 
-        const auto& childPathId = child.second; 
- 
-        Y_VERIFY(PathsById.contains(childPathId)); 
-        auto childPath = PathsById.at(childPathId); 
- 
-        if (childPath->Dropped() || childPath->PlannedToDrop()) { 
-            continue; 
-        } 
- 
-        switch (childPath->PathType) { 
+    // Fill indexes & cdc streams (if any)
+    for (const auto& child : pinfo->GetChildren()) {
+        const auto& childName = child.first;
+        const auto& childPathId = child.second;
+
+        Y_VERIFY(PathsById.contains(childPathId));
+        auto childPath = PathsById.at(childPathId);
+
+        if (childPath->Dropped() || childPath->PlannedToDrop()) {
+            continue;
+        }
+
+        switch (childPath->PathType) {
             case NKikimrSchemeOp::EPathTypeTableIndex: {
-                Y_VERIFY(Indexes.contains(childPathId)); 
-                auto info = Indexes.at(childPathId); 
-                DescribeTableIndex(childPathId, childName, newTable ? info->AlterData : info, *tableDescr->MutableTableIndexes()->Add()); 
-                break; 
-            } 
- 
+                Y_VERIFY(Indexes.contains(childPathId));
+                auto info = Indexes.at(childPathId);
+                DescribeTableIndex(childPathId, childName, newTable ? info->AlterData : info, *tableDescr->MutableTableIndexes()->Add());
+                break;
+            }
+
             case NKikimrSchemeOp::EPathTypeCdcStream: {
-                Y_VERIFY_S(CdcStreams.contains(childPathId), "Cdc stream not found" 
-                    << ": pathId# " << childPathId 
-                    << ", name# " << childName); 
-                auto info = CdcStreams.at(childPathId); 
-                DescribeCdcStream(childPathId, childName, info, *tableDescr->MutableCdcStreams()->Add()); 
-                break; 
-            } 
- 
+                Y_VERIFY_S(CdcStreams.contains(childPathId), "Cdc stream not found"
+                    << ": pathId# " << childPathId
+                    << ", name# " << childName);
+                auto info = CdcStreams.at(childPathId);
+                DescribeCdcStream(childPathId, childName, info, *tableDescr->MutableCdcStreams()->Add());
+                break;
+            }
+
             case NKikimrSchemeOp::EPathTypeSequence: {
                 Y_VERIFY_S(Sequences.contains(childPathId), "Sequence not found"
                     << ": path#d# " << childPathId
@@ -5699,14 +5699,14 @@ void TSchemeShard::FillTableDescriptionForShardIdx(
                 break;
             }
 
-            default: 
-                Y_FAIL_S("Unexpected table's child" 
-                    << ": tableId# " << tableId 
-                    << ", childId# " << childPathId 
-                    << ", childName# " << childName 
-                    << ", childType# " << static_cast<ui32>(childPath->PathType)); 
-        } 
-    } 
+            default:
+                Y_FAIL_S("Unexpected table's child"
+                    << ": tableId# " << tableId
+                    << ", childId# " << childPathId
+                    << ", childName# " << childName
+                    << ", childType# " << static_cast<ui32>(childPath->PathType));
+        }
+    }
 }
 
 // Fills CreateTable transaction that is sent to datashards
@@ -5728,7 +5728,7 @@ void TSchemeShard::FillTableDescription(TPathId tableId, ui32 partitionIdx, ui64
         tableDescr,
         std::move(rangeBegin),
         std::move(rangeEnd),
-        true /* rangeBeginInclusive */, false /* rangeEndInclusive */, true /* newTable */); 
+        true /* rangeBeginInclusive */, false /* rangeEndInclusive */, true /* newTable */);
     FillTableSchemaVersion(schemaVersion, tableDescr);
 }
 
@@ -5765,7 +5765,7 @@ bool TSchemeShard::FillUniformPartitioning(TVector<TString>& rangeEnds, ui32 key
 }
 
 void TSchemeShard::SetPartitioning(TPathId pathId, TTableInfo::TPtr tableInfo, TVector<TTableShardInfo>&& newPartitioning) {
-    if (AppData()->FeatureFlags.GetEnableSystemViews()) { 
+    if (AppData()->FeatureFlags.GetEnableSystemViews()) {
         TVector<std::pair<ui64, ui64>> shardIndices;
         shardIndices.reserve(newPartitioning.size());
         for (auto& info : newPartitioning) {
@@ -5797,23 +5797,23 @@ void TSchemeShard::SetPartitioning(TPathId pathId, TTableInfo::TPtr tableInfo, T
 }
 
 void TSchemeShard::FillAsyncIndexInfo(const TPathId& tableId, NKikimrTxDataShard::TFlatSchemeTransaction& tx) {
-    Y_VERIFY(PathsById.contains(tableId)); 
- 
-    auto parent = TPath::Init(tableId, this).Parent(); 
-    Y_VERIFY(parent.IsResolved()); 
- 
-    if (!parent.Base()->IsTableIndex()) { 
-        return; 
-    } 
- 
-    Y_VERIFY(Indexes.contains(parent.Base()->PathId)); 
-    auto index = Indexes.at(parent.Base()->PathId); 
- 
-    if (index->Type == TTableIndexInfo::EType::EIndexTypeGlobalAsync) { 
-        tx.MutableAsyncIndexInfo(); 
-    } 
-} 
- 
+    Y_VERIFY(PathsById.contains(tableId));
+
+    auto parent = TPath::Init(tableId, this).Parent();
+    Y_VERIFY(parent.IsResolved());
+
+    if (!parent.Base()->IsTableIndex()) {
+        return;
+    }
+
+    Y_VERIFY(Indexes.contains(parent.Base()->PathId));
+    auto index = Indexes.at(parent.Base()->PathId);
+
+    if (index->Type == TTableIndexInfo::EType::EIndexTypeGlobalAsync) {
+        tx.MutableAsyncIndexInfo();
+    }
+}
+
 bool TSchemeShard::ReadSysValue(NIceDb::TNiceDb &db, ui64 sysTag, TString &value, TString defValue) {
     auto sysParamsRowset = db.Table<Schema::SysParams>().Key(sysTag).Select<Schema::SysParams::Value>();
     if (!sysParamsRowset.IsReady()) {
diff --git a/ydb/core/tx/schemeshard/schemeshard_impl.h b/ydb/core/tx/schemeshard/schemeshard_impl.h
index 1512b46910..e1a1d08b9a 100644
--- a/ydb/core/tx/schemeshard/schemeshard_impl.h
+++ b/ydb/core/tx/schemeshard/schemeshard_impl.h
@@ -1,10 +1,10 @@
 #pragma once
 
 #include "schemeshard.h"
-#include "schemeshard_export.h" 
-#include "schemeshard_import.h" 
+#include "schemeshard_export.h"
+#include "schemeshard_import.h"
 #include "schemeshard_build_index.h"
-#include "schemeshard_private.h" 
+#include "schemeshard_private.h"
 #include "schemeshard_types.h"
 #include "schemeshard_path_element.h"
 #include "schemeshard_path.h"
@@ -40,7 +40,7 @@
 #include <ydb/core/tx/message_seqno.h>
 #include <ydb/core/tx/scheme_board/events.h>
 #include <ydb/core/tx/tx_allocator_client/actor_client.h>
-#include <ydb/core/tx/replication/controller/public_events.h> 
+#include <ydb/core/tx/replication/controller/public_events.h>
 #include <ydb/core/tx/sequenceshard/public/events.h>
 #include <ydb/core/tx/tx_processing.h>
 #include <ydb/core/util/pb.h>
@@ -105,13 +105,13 @@ public:
     static constexpr ui32 MaxPQGroupPartitionsCount = 20*1000;
     static constexpr ui32 MaxPQWriteSpeedPerPartition = 50*1024*1024;
     static constexpr ui32 MaxPQLifetimeSeconds = 31 * 86400;
-    static constexpr ui32 PublishChunkSize = 1000; 
+    static constexpr ui32 PublishChunkSize = 1000;
 
     static const TSchemeLimits DefaultLimits;
 
     TIntrusivePtr<TChannelProfiles> ChannelProfiles;
 
-    TControlWrapper AllowConditionalEraseOperations; 
+    TControlWrapper AllowConditionalEraseOperations;
     TControlWrapper AllowServerlessStorageBilling;
 
     TSplitSettings SplitSettings;
@@ -138,7 +138,7 @@ public:
     TEffectiveACL ParentDomainCachedEffectiveACL;
     TString ParentDomainOwner;
 
-    THashSet<TString> SystemBackupSIDs; 
+    THashSet<TString> SystemBackupSIDs;
     TInstant ServerlessStorageLastBillTime;
 
     TParentDomainLink ParentDomainLink;
@@ -150,13 +150,13 @@ public:
     TLocalPathId NextLocalPathId = 0;
 
     THashMap<TPathId, TTableInfo::TPtr> Tables;
-    THashMap<TPathId, TTableInfo::TPtr> TTLEnabledTables; 
+    THashMap<TPathId, TTableInfo::TPtr> TTLEnabledTables;
 
-    THashMap<TPathId, TTableIndexInfo::TPtr> Indexes; 
-    THashMap<TPathId, TCdcStreamInfo::TPtr> CdcStreams; 
+    THashMap<TPathId, TTableIndexInfo::TPtr> Indexes;
+    THashMap<TPathId, TCdcStreamInfo::TPtr> CdcStreams;
     THashMap<TPathId, TSequenceInfo::TPtr> Sequences;
-    THashMap<TPathId, TReplicationInfo::TPtr> Replications; 
- 
+    THashMap<TPathId, TReplicationInfo::TPtr> Replications;
+
     THashMap<TPathId, TTxId> TablesWithSnaphots;
     THashMap<TTxId, TSet<TPathId>> SnapshotTables;
     THashMap<TTxId, TStepId> SnapshotsStepIds;
@@ -177,7 +177,7 @@ public:
     THashMap<TPathId, TVector<TTabletId>> RevertedMigrations;
 
     THashMap<TTxId, TOperation::TPtr> Operations;
-    THashMap<TTxId, TPublicationInfo> Publications; 
+    THashMap<TTxId, TPublicationInfo> Publications;
     THashMap<TOperationId, TTxState> TxInFlight;
 
     ui64 NextLocalShardIdx = 0;
@@ -187,11 +187,11 @@ public:
     THashMap<TShardIdx, TVector<TActorId>> ShardDeletionSubscribers; // for tests
 
     TActorId SchemeBoardPopulator;
- 
+
     static constexpr ui32 InitiateCachedTxIdsCount = 100;
     TDeque<TTxId> CachedTxIds;
     TActorId TxAllocatorClient;
- 
+
     TAutoPtr<NTabletPipe::IClientCache> PipeClientCache;
     TPipeTracker PipeTracker;
 
@@ -230,11 +230,11 @@ public:
         return pId == RootPathId();
     }
 
-    bool IsServerlessDomain(const TPath& domain) const { 
-        const auto& resourcesDomainId = domain.DomainInfo()->GetResourcesDomainId(); 
-        return !IsDomainSchemeShard && resourcesDomainId && resourcesDomainId != ParentDomainId; 
-    } 
- 
+    bool IsServerlessDomain(const TPath& domain) const {
+        const auto& resourcesDomainId = domain.DomainInfo()->GetResourcesDomainId();
+        return !IsDomainSchemeShard && resourcesDomainId && resourcesDomainId != ParentDomainId;
+    }
+
     TPathId MakeLocalId(const TLocalPathId& localPathId) const {
         return TPathId(TabletID(), localPathId);
     }
@@ -413,7 +413,7 @@ public:
     void DoShardsDeletion(const THashSet<TShardIdx>& shardIdx, const TActorContext& ctx);
 
     void SetPartitioning(TPathId pathId, TTableInfo::TPtr tableInfo, TVector<TTableShardInfo>&& newPartitioning);
-    auto BuildStatsForCollector(TPathId tableId, TShardIdx shardIdx, TTabletId datashardId, 
+    auto BuildStatsForCollector(TPathId tableId, TShardIdx shardIdx, TTabletId datashardId,
         TMaybe<ui32> nodeId, TMaybe<ui64> startTime, const TTableInfo::TPartitionStats& stats);
 
     bool ReadSysValue(NIceDb::TNiceDb& db, ui64 sysTag, TString& value, TString defValue = TString());
@@ -442,21 +442,21 @@ public:
     void PersistTableIndex(NIceDb::TNiceDb& db, const TPathId& pathId);
     void PersistTableIndexAlterData(NIceDb::TNiceDb& db, const TPathId& pathId);
 
-    // cdc stream 
-    void PersistCdcStream(NIceDb::TNiceDb& db, const TPathId& pathId); 
-    void PersistCdcStreamAlterData(NIceDb::TNiceDb& db, const TPathId& pathId); 
-    void PersistRemoveCdcStream(NIceDb::TNiceDb& db, const TPathId& tableId); 
- 
+    // cdc stream
+    void PersistCdcStream(NIceDb::TNiceDb& db, const TPathId& pathId);
+    void PersistCdcStreamAlterData(NIceDb::TNiceDb& db, const TPathId& pathId);
+    void PersistRemoveCdcStream(NIceDb::TNiceDb& db, const TPathId& tableId);
+
     static void PersistTxMinStep(NIceDb::TNiceDb& db, const TOperationId opId, TStepId minStep);
     void PersistRemoveTx(NIceDb::TNiceDb& db, const TOperationId opId, const TTxState& txState);
     void PersistTable(NIceDb::TNiceDb &db, const TPathId pathId);
     void PersistChannelsBinding(NIceDb::TNiceDb& db, const TShardIdx shardId, const TChannelsBindings& bindedChannels);
     void PersistTablePartitioning(NIceDb::TNiceDb &db, const TPathId pathId, const TTableInfo::TPtr tableInfo);
     void DeleteTablePartitioning(NIceDb::TNiceDb& db, const TPathId tableId, const TTableInfo::TPtr tableInfo);
-    void PersistTablePartitionCondErase(NIceDb::TNiceDb& db, const TPathId& pathId, ui64 id, const TTableInfo::TPtr tableInfo); 
-    void PersistTablePartitionStats(NIceDb::TNiceDb& db, const TPathId& tableId, ui64 partitionId, const TTableInfo::TPartitionStats& stats); 
-    void PersistTablePartitionStats(NIceDb::TNiceDb& db, const TPathId& tableId, const TShardIdx& shardIdx, const TTableInfo::TPtr tableInfo); 
-    void PersistTablePartitionStats(NIceDb::TNiceDb& db, const TPathId& tableId, const TTableInfo::TPtr tableInfo); 
+    void PersistTablePartitionCondErase(NIceDb::TNiceDb& db, const TPathId& pathId, ui64 id, const TTableInfo::TPtr tableInfo);
+    void PersistTablePartitionStats(NIceDb::TNiceDb& db, const TPathId& tableId, ui64 partitionId, const TTableInfo::TPartitionStats& stats);
+    void PersistTablePartitionStats(NIceDb::TNiceDb& db, const TPathId& tableId, const TShardIdx& shardIdx, const TTableInfo::TPtr tableInfo);
+    void PersistTablePartitionStats(NIceDb::TNiceDb& db, const TPathId& tableId, const TTableInfo::TPtr tableInfo);
     void PersistTableCreated(NIceDb::TNiceDb& db, const TPathId tableId);
     void PersistTableAlterVersion(NIceDb::TNiceDb &db, const TPathId pathId, const TTableInfo::TPtr tableInfo);
     void PersistTableAltered(NIceDb::TNiceDb &db, const TPathId pathId, const TTableInfo::TPtr tableInfo);
@@ -465,7 +465,7 @@ public:
     void PersistRemovePersQueueGroup(NIceDb::TNiceDb &db, TPathId pathId);
     void PersistAddPersQueueGroupAlter(NIceDb::TNiceDb &db, TPathId pathId, const TPersQueueGroupInfo::TPtr);
     void PersistRemovePersQueueGroupAlter(NIceDb::TNiceDb &db, TPathId pathId);
-    void PersistPersQueue(NIceDb::TNiceDb &db, TPathId pathId, TShardIdx shardIdx, const TPQShardInfo::TPersQueueInfo& pqInfo); 
+    void PersistPersQueue(NIceDb::TNiceDb &db, TPathId pathId, TShardIdx shardIdx, const TPQShardInfo::TPersQueueInfo& pqInfo);
     void PersistRemovePersQueue(NIceDb::TNiceDb &db, TPathId pathId, ui32 pqId);
     void PersistRtmrVolume(NIceDb::TNiceDb &db, TPathId pathId, const TRtmrVolumeInfo::TPtr rtmrVol);
     void PersistRemoveRtmrVolume(NIceDb::TNiceDb &db, TPathId pathId);
@@ -489,7 +489,7 @@ public:
 
     void PersistTxState(NIceDb::TNiceDb& db, const TOperationId opId);
     void ChangeTxState(NIceDb::TNiceDb& db, const TOperationId opId, TTxState::ETxState newState);
-    void PersistCancelTx(NIceDb::TNiceDb& db, const TOperationId opId, const TTxState& txState); 
+    void PersistCancelTx(NIceDb::TNiceDb& db, const TOperationId opId, const TTxState& txState);
     void PersistTxPlanStep(NIceDb::TNiceDb& db, TOperationId opId, TStepId step);
 
 
@@ -501,12 +501,12 @@ public:
     void PersistShardsToDelete(NIceDb::TNiceDb& db, const THashSet<TShardIdx>& shardsIdxs);
     void PersistShardDeleted(NIceDb::TNiceDb& db, TShardIdx shardIdx, const TChannelsBindings& bindedChannels);
     void PersistUnknownShardDeleted(NIceDb::TNiceDb& db, TShardIdx shardIdx);
-    void PersistTxShardStatus(NIceDb::TNiceDb& db, TOperationId opId, TShardIdx shardIdx, const TTxState::TShardStatus& status); 
+    void PersistTxShardStatus(NIceDb::TNiceDb& db, TOperationId opId, TShardIdx shardIdx, const TTxState::TShardStatus& status);
     void PersistBackupSettings(NIceDb::TNiceDb& db, TPathId pathId, const NKikimrSchemeOp::TBackupTask& settings);
     void PersistBackupDone(NIceDb::TNiceDb& db, TPathId pathId);
-    void PersistCompletedBackupRestore(NIceDb::TNiceDb& db, TTxId txId, const TTxState& txState, const TTableInfo::TBackupRestoreResult& info, TTableInfo::TBackupRestoreResult::EKind kind); 
-    void PersistCompletedBackup(NIceDb::TNiceDb& db, TTxId txId, const TTxState& txState, const TTableInfo::TBackupRestoreResult& backupInfo); 
-    void PersistCompletedRestore(NIceDb::TNiceDb& db, TTxId txId, const TTxState& txState, const TTableInfo::TBackupRestoreResult& restoreInfo); 
+    void PersistCompletedBackupRestore(NIceDb::TNiceDb& db, TTxId txId, const TTxState& txState, const TTableInfo::TBackupRestoreResult& info, TTableInfo::TBackupRestoreResult::EKind kind);
+    void PersistCompletedBackup(NIceDb::TNiceDb& db, TTxId txId, const TTxState& txState, const TTableInfo::TBackupRestoreResult& backupInfo);
+    void PersistCompletedRestore(NIceDb::TNiceDb& db, TTxId txId, const TTxState& txState, const TTableInfo::TBackupRestoreResult& restoreInfo);
     void PersistSchemeLimit(NIceDb::TNiceDb& db, const TPathId& pathId, const TSubDomainInfo& subDomain);
     void PersistStoragePools(NIceDb::TNiceDb& db, const TPathId& pathId, const TSubDomainInfo& subDomain);
     void PersistSubDomain(NIceDb::TNiceDb& db, const TPathId& pathId, const TSubDomainInfo& subDomain);
@@ -561,17 +561,17 @@ public:
     void PersistSequenceAlter(NIceDb::TNiceDb& db, TPathId pathId, const TSequenceInfo& sequenceInfo);
     void PersistSequenceAlterRemove(NIceDb::TNiceDb& db, TPathId pathId);
 
-    // Replication 
-    void PersistReplication(NIceDb::TNiceDb& db, TPathId pathId, const TReplicationInfo& replicationInfo); 
-    void PersistReplicationRemove(NIceDb::TNiceDb& db, TPathId pathId); 
-    void PersistReplicationAlter(NIceDb::TNiceDb& db, TPathId pathId, const TReplicationInfo& replicationInfo); 
-    void PersistReplicationAlterRemove(NIceDb::TNiceDb& db, TPathId pathId); 
- 
+    // Replication
+    void PersistReplication(NIceDb::TNiceDb& db, TPathId pathId, const TReplicationInfo& replicationInfo);
+    void PersistReplicationRemove(NIceDb::TNiceDb& db, TPathId pathId);
+    void PersistReplicationAlter(NIceDb::TNiceDb& db, TPathId pathId, const TReplicationInfo& replicationInfo);
+    void PersistReplicationAlterRemove(NIceDb::TNiceDb& db, TPathId pathId);
+
     void PersistAddTableShardPartitionConfig(NIceDb::TNiceDb& db, TShardIdx shardIdx, const NKikimrSchemeOp::TPartitionConfig& config);
 
     void PersistPublishingPath(NIceDb::TNiceDb& db, TTxId txId, TPathId pathId, ui64 version);
     void PersistRemovePublishingPath(NIceDb::TNiceDb& db, TTxId txId, TPathId pathId, ui64 version);
- 
+
 
     void PersistInitState(NIceDb::TNiceDb& db);
 
@@ -607,7 +607,7 @@ public:
                                      TDeque<TPathId>&& blockStoreVolumesToClean = {}
                                      );
 
-    struct TTxInitPopulator; 
+    struct TTxInitPopulator;
     NTabletFlatExecutor::ITransaction* CreateTxInitPopulator(TSideEffects::TPublications&& publications);
 
     struct TTxInitSchema;
@@ -636,7 +636,7 @@ public:
     void ScheduleCleanDroppedSubDomains();
     void Handle(TEvPrivate::TEvCleanDroppedSubDomains::TPtr& ev, const TActorContext& ctx);
 
-    struct TTxFixBadPaths; 
+    struct TTxFixBadPaths;
     NTabletFlatExecutor::ITransaction* CreateTxFixBadPaths();
 
     struct TTxPublishTenantAsReadOnly;
@@ -660,26 +660,26 @@ public:
     struct TTxShardStateChanged;
     NTabletFlatExecutor::ITransaction* CreateTxShardStateChanged(TEvDataShard::TEvStateChanged::TPtr& ev);
 
-    struct TTxRunConditionalErase; 
-    NTabletFlatExecutor::ITransaction* CreateTxRunConditionalErase(TEvPrivate::TEvRunConditionalErase::TPtr& ev); 
- 
-    struct TTxScheduleConditionalErase; 
-    NTabletFlatExecutor::ITransaction* CreateTxScheduleConditionalErase(TEvDataShard::TEvConditionalEraseRowsResponse::TPtr& ev); 
- 
+    struct TTxRunConditionalErase;
+    NTabletFlatExecutor::ITransaction* CreateTxRunConditionalErase(TEvPrivate::TEvRunConditionalErase::TPtr& ev);
+
+    struct TTxScheduleConditionalErase;
+    NTabletFlatExecutor::ITransaction* CreateTxScheduleConditionalErase(TEvDataShard::TEvConditionalEraseRowsResponse::TPtr& ev);
+
     struct TTxSyncTenant;
     NTabletFlatExecutor::ITransaction* CreateTxSyncTenant(TPathId tabletId);
     struct TTxUpdateTenant;
     NTabletFlatExecutor::ITransaction* CreateTxUpdateTenant(TEvSchemeShard::TEvUpdateTenantSchemeShard::TPtr& ev);
 
-    struct TTxPublishToSchemeBoard; 
-    NTabletFlatExecutor::ITransaction* CreateTxPublishToSchemeBoard(THashMap<TTxId, TDeque<TPathId>>&& paths); 
-    struct TTxAckPublishToSchemeBoard; 
-    NTabletFlatExecutor::ITransaction* CreateTxAckPublishToSchemeBoard(TSchemeBoardEvents::TEvUpdateAck::TPtr& ev); 
- 
+    struct TTxPublishToSchemeBoard;
+    NTabletFlatExecutor::ITransaction* CreateTxPublishToSchemeBoard(THashMap<TTxId, TDeque<TPathId>>&& paths);
+    struct TTxAckPublishToSchemeBoard;
+    NTabletFlatExecutor::ITransaction* CreateTxAckPublishToSchemeBoard(TSchemeBoardEvents::TEvUpdateAck::TPtr& ev);
+
     struct TTxOperationPropose;
     NTabletFlatExecutor::ITransaction* CreateTxOperationPropose(TEvSchemeShard::TEvModifySchemeTransaction::TPtr& ev);
 
-    struct TTxOperationProposeCancelTx; 
+    struct TTxOperationProposeCancelTx;
     NTabletFlatExecutor::ITransaction* CreateTxOperationPropose(TEvSchemeShard::TEvCancelTx::TPtr& ev);
 
     struct TTxOperationProgress;
@@ -707,8 +707,8 @@ public:
     SCHEMESHARD_INCOMING_EVENTS(DeclareCreateTxOperationReply)
 #undef DeclareCreateTxOperationReply
 
-    void PublishToSchemeBoard(THashMap<TTxId, TDeque<TPathId>>&& paths, const TActorContext& ctx); 
-    void PublishToSchemeBoard(TTxId txId, TDeque<TPathId>&& paths, const TActorContext& ctx); 
+    void PublishToSchemeBoard(THashMap<TTxId, TDeque<TPathId>>&& paths, const TActorContext& ctx);
+    void PublishToSchemeBoard(TTxId txId, TDeque<TPathId>&& paths, const TActorContext& ctx);
 
     void ApplyPartitionConfigStoragePatch(
         NKikimrSchemeOp::TPartitionConfig& config,
@@ -716,8 +716,8 @@ public:
     void FillTableDescriptionForShardIdx(
         TPathId tableId, TShardIdx shardIdx, NKikimrSchemeOp::TTableDescription* tableDescr,
         TString rangeBegin, TString rangeEnd,
-        bool rangeBeginInclusive, bool rangeEndInclusive, 
-        bool newTable = false); 
+        bool rangeBeginInclusive, bool rangeEndInclusive,
+        bool newTable = false);
     void FillTableDescription(TPathId tableId, ui32 partitionIdx, ui64 schemaVersion, NKikimrSchemeOp::TTableDescription* tableDescr);
     static bool FillUniformPartitioning(TVector<TString>& rangeEnds, ui32 keySize, NScheme::TTypeId firstKeyColType,
                                         ui32 partitionCount, const NScheme::TTypeRegistry* typeRegistry, TString& errStr);
@@ -731,8 +731,8 @@ public:
     static void FillSeqNo(NKikimrTxDataShard::TFlatSchemeTransaction &tx, TMessageSeqNo seqNo);
     static void FillSeqNo(NKikimrTxColumnShard::TSchemaTxBody &tx, TMessageSeqNo seqNo);
 
-    void FillAsyncIndexInfo(const TPathId& tableId, NKikimrTxDataShard::TFlatSchemeTransaction& tx); 
- 
+    void FillAsyncIndexInfo(const TPathId& tableId, NKikimrTxDataShard::TFlatSchemeTransaction& tx);
+
     void DescribeTable(const TTableInfo::TPtr tableInfo, const NScheme::TTypeRegistry* typeRegistry,
                        bool fillConfig, bool fillBoundaries, NKikimrSchemeOp::TTableDescription* entry) const;
     void DescribeTableIndex(const TPathId& pathId, const TString& name, NKikimrSchemeOp::TIndexDescription& entry);
@@ -741,8 +741,8 @@ public:
     void DescribeCdcStream(const TPathId& pathId, const TString& name, TCdcStreamInfo::TPtr info, NKikimrSchemeOp::TCdcStreamDescription& desc);
     void DescribeSequence(const TPathId& pathId, const TString& name, NKikimrSchemeOp::TSequenceDescription& desc);
     void DescribeSequence(const TPathId& pathId, const TString& name, TSequenceInfo::TPtr info, NKikimrSchemeOp::TSequenceDescription& desc);
-    void DescribeReplication(const TPathId& pathId, const TString& name, NKikimrSchemeOp::TReplicationDescription& desc); 
-    void DescribeReplication(const TPathId& pathId, const TString& name, TReplicationInfo::TPtr info, NKikimrSchemeOp::TReplicationDescription& desc); 
+    void DescribeReplication(const TPathId& pathId, const TString& name, NKikimrSchemeOp::TReplicationDescription& desc);
+    void DescribeReplication(const TPathId& pathId, const TString& name, TReplicationInfo::TPtr info, NKikimrSchemeOp::TReplicationDescription& desc);
     static void FillTableBoundaries(const TTableInfo::TPtr tableInfo, google::protobuf::RepeatedPtrField<NKikimrSchemeOp::TSplitBoundary>& boundaries);
 
     void Handle(TEvSchemeShard::TEvInitRootShard::TPtr &ev, const TActorContext &ctx);
@@ -775,8 +775,8 @@ public:
     void Handle(NSequenceShard::TEvSequenceShard::TEvFreezeSequenceResult::TPtr &ev, const TActorContext &ctx);
     void Handle(NSequenceShard::TEvSequenceShard::TEvRestoreSequenceResult::TPtr &ev, const TActorContext &ctx);
     void Handle(NSequenceShard::TEvSequenceShard::TEvRedirectSequenceResult::TPtr &ev, const TActorContext &ctx);
-    void Handle(NReplication::TEvController::TEvCreateReplicationResult::TPtr &ev, const TActorContext &ctx); 
-    void Handle(NReplication::TEvController::TEvDropReplicationResult::TPtr &ev, const TActorContext &ctx); 
+    void Handle(NReplication::TEvController::TEvCreateReplicationResult::TPtr &ev, const TActorContext &ctx);
+    void Handle(NReplication::TEvController::TEvDropReplicationResult::TPtr &ev, const TActorContext &ctx);
     void Handle(TEvDataShard::TEvProposeTransactionResult::TPtr &ev, const TActorContext &ctx);
     void Handle(TEvDataShard::TEvSchemaChanged::TPtr &ev, const TActorContext &ctx);
     void Handle(TEvDataShard::TEvStateChanged::TPtr &ev, const TActorContext &ctx);
@@ -798,7 +798,7 @@ public:
     void Handle(TEvSchemeShard::TEvSyncTenantSchemeShard::TPtr& ev, const TActorContext& ctx);
     void Handle(TEvSchemeShard::TEvUpdateTenantSchemeShard::TPtr& ev, const TActorContext& ctx);
 
-    void Handle(TSchemeBoardEvents::TEvUpdateAck::TPtr& ev, const TActorContext& ctx); 
+    void Handle(TSchemeBoardEvents::TEvUpdateAck::TPtr& ev, const TActorContext& ctx);
 
     void Handle(TEvTxProcessing::TEvPlanStep::TPtr &ev, const TActorContext &ctx);
 
@@ -814,10 +814,10 @@ public:
 
     void Handle(TEvSchemeShard::TEvFindTabletSubDomainPathId::TPtr& ev, const TActorContext& ctx);
 
-    void ScheduleConditionalEraseRun(const TActorContext& ctx); 
-    void Handle(TEvPrivate::TEvRunConditionalErase::TPtr& ev, const TActorContext& ctx); 
-    void Handle(TEvDataShard::TEvConditionalEraseRowsResponse::TPtr& ev, const TActorContext& ctx); 
- 
+    void ScheduleConditionalEraseRun(const TActorContext& ctx);
+    void Handle(TEvPrivate::TEvRunConditionalErase::TPtr& ev, const TActorContext& ctx);
+    void Handle(TEvDataShard::TEvConditionalEraseRowsResponse::TPtr& ev, const TActorContext& ctx);
+
     void Handle(NSysView::TEvSysView::TEvGetPartitionStats::TPtr& ev, const TActorContext& ctx);
 
     void ScheduleServerlessStorageBilling(const TActorContext& ctx);
@@ -832,122 +832,122 @@ public:
 
     TOperationId RouteIncomming(TTabletId tabletId, const TActorContext& ctx);
 
-    // namespace NLongRunningCommon { 
-    struct TXxport { 
-        class TTxBase; 
-        template <typename TInfo, typename TEvRequest, typename TEvResponse> struct TTxGet; 
-        template <typename TInfo, typename TEvRequest, typename TEvResponse, typename TDerived> struct TTxList; 
-    }; 
- 
-    void Handle(TEvTxAllocatorClient::TEvAllocateResult::TPtr& ev, const TActorContext& ctx); 
+    // namespace NLongRunningCommon {
+    struct TXxport {
+        class TTxBase;
+        template <typename TInfo, typename TEvRequest, typename TEvResponse> struct TTxGet;
+        template <typename TInfo, typename TEvRequest, typename TEvResponse, typename TDerived> struct TTxList;
+    };
+
+    void Handle(TEvTxAllocatorClient::TEvAllocateResult::TPtr& ev, const TActorContext& ctx);
     void Handle(TEvSchemeShard::TEvModifySchemeTransactionResult::TPtr& ev, const TActorContext& ctx);
-    void Handle(TEvIndexBuilder::TEvCreateResponse::TPtr& ev, const TActorContext& ctx); 
+    void Handle(TEvIndexBuilder::TEvCreateResponse::TPtr& ev, const TActorContext& ctx);
     void Handle(TEvSchemeShard::TEvNotifyTxCompletionRegistered::TPtr& ev, const TActorContext& ctx);
     void Handle(TEvSchemeShard::TEvNotifyTxCompletionResult::TPtr& ev, const TActorContext& ctx);
     void Handle(TEvSchemeShard::TEvCancelTxResult::TPtr& ev, const TActorContext& ctx);
-    void Handle(TEvIndexBuilder::TEvCancelResponse::TPtr& ev, const TActorContext& ctx); 
-    // } // NLongRunningCommon 
-
-    // namespace NExport { 
-    THashMap<ui64, TExportInfo::TPtr> Exports; 
-    THashMap<TString, TExportInfo::TPtr> ExportsByUid; 
-    THashMap<TTxId, std::pair<ui64, ui32>> TxIdToExport; 
- 
-    void FromXxportInfo(NKikimrExport::TExport& exprt, const TExportInfo::TPtr exportInfo); 
- 
-    static void PersistCreateExport(NIceDb::TNiceDb& db, const TExportInfo::TPtr exportInfo); 
-    static void PersistRemoveExport(NIceDb::TNiceDb& db, const TExportInfo::TPtr exportInfo); 
-    static void PersistExportPathId(NIceDb::TNiceDb& db, const TExportInfo::TPtr exportInfo); 
-    static void PersistExportState(NIceDb::TNiceDb& db, const TExportInfo::TPtr exportInfo); 
-    static void PersistExportItemState(NIceDb::TNiceDb& db, const TExportInfo::TPtr exportInfo, ui32 targetIdx); 
- 
-    struct TExport { 
-        struct TTxCreate; 
-        struct TTxGet; 
-        struct TTxCancel; 
-        struct TTxCancelAck; 
-        struct TTxForget; 
-        struct TTxList; 
- 
-        struct TTxProgress; 
-    }; 
-
-    NTabletFlatExecutor::ITransaction* CreateTxCreateExport(TEvExport::TEvCreateExportRequest::TPtr& ev); 
-    NTabletFlatExecutor::ITransaction* CreateTxGetExport(TEvExport::TEvGetExportRequest::TPtr& ev); 
-    NTabletFlatExecutor::ITransaction* CreateTxCancelExport(TEvExport::TEvCancelExportRequest::TPtr& ev); 
+    void Handle(TEvIndexBuilder::TEvCancelResponse::TPtr& ev, const TActorContext& ctx);
+    // } // NLongRunningCommon
+
+    // namespace NExport {
+    THashMap<ui64, TExportInfo::TPtr> Exports;
+    THashMap<TString, TExportInfo::TPtr> ExportsByUid;
+    THashMap<TTxId, std::pair<ui64, ui32>> TxIdToExport;
+
+    void FromXxportInfo(NKikimrExport::TExport& exprt, const TExportInfo::TPtr exportInfo);
+
+    static void PersistCreateExport(NIceDb::TNiceDb& db, const TExportInfo::TPtr exportInfo);
+    static void PersistRemoveExport(NIceDb::TNiceDb& db, const TExportInfo::TPtr exportInfo);
+    static void PersistExportPathId(NIceDb::TNiceDb& db, const TExportInfo::TPtr exportInfo);
+    static void PersistExportState(NIceDb::TNiceDb& db, const TExportInfo::TPtr exportInfo);
+    static void PersistExportItemState(NIceDb::TNiceDb& db, const TExportInfo::TPtr exportInfo, ui32 targetIdx);
+
+    struct TExport {
+        struct TTxCreate;
+        struct TTxGet;
+        struct TTxCancel;
+        struct TTxCancelAck;
+        struct TTxForget;
+        struct TTxList;
+
+        struct TTxProgress;
+    };
+
+    NTabletFlatExecutor::ITransaction* CreateTxCreateExport(TEvExport::TEvCreateExportRequest::TPtr& ev);
+    NTabletFlatExecutor::ITransaction* CreateTxGetExport(TEvExport::TEvGetExportRequest::TPtr& ev);
+    NTabletFlatExecutor::ITransaction* CreateTxCancelExport(TEvExport::TEvCancelExportRequest::TPtr& ev);
     NTabletFlatExecutor::ITransaction* CreateTxCancelExportAck(TEvSchemeShard::TEvCancelTxResult::TPtr& ev);
-    NTabletFlatExecutor::ITransaction* CreateTxForgetExport(TEvExport::TEvForgetExportRequest::TPtr& ev); 
-    NTabletFlatExecutor::ITransaction* CreateTxListExports(TEvExport::TEvListExportsRequest::TPtr& ev); 
- 
-    NTabletFlatExecutor::ITransaction* CreateTxProgressExport(ui64 id); 
-    NTabletFlatExecutor::ITransaction* CreateTxProgressExport(TEvTxAllocatorClient::TEvAllocateResult::TPtr& ev); 
+    NTabletFlatExecutor::ITransaction* CreateTxForgetExport(TEvExport::TEvForgetExportRequest::TPtr& ev);
+    NTabletFlatExecutor::ITransaction* CreateTxListExports(TEvExport::TEvListExportsRequest::TPtr& ev);
+
+    NTabletFlatExecutor::ITransaction* CreateTxProgressExport(ui64 id);
+    NTabletFlatExecutor::ITransaction* CreateTxProgressExport(TEvTxAllocatorClient::TEvAllocateResult::TPtr& ev);
     NTabletFlatExecutor::ITransaction* CreateTxProgressExport(TEvSchemeShard::TEvModifySchemeTransactionResult::TPtr& ev);
     NTabletFlatExecutor::ITransaction* CreateTxProgressExport(TEvSchemeShard::TEvNotifyTxCompletionResult::TPtr& ev);
- 
-    void Handle(TEvExport::TEvCreateExportRequest::TPtr& ev, const TActorContext& ctx); 
-    void Handle(TEvExport::TEvGetExportRequest::TPtr& ev, const TActorContext& ctx); 
-    void Handle(TEvExport::TEvCancelExportRequest::TPtr& ev, const TActorContext& ctx); 
-    void Handle(TEvExport::TEvForgetExportRequest::TPtr& ev, const TActorContext& ctx); 
-    void Handle(TEvExport::TEvListExportsRequest::TPtr& ev, const TActorContext& ctx); 
- 
-    void ResumeExports(const TVector<ui64>& exportIds, const TActorContext& ctx); 
-    // } // NExport 
-
-    // namespace NImport { 
-    THashMap<ui64, TImportInfo::TPtr> Imports; 
-    THashMap<TString, TImportInfo::TPtr> ImportsByUid; 
-    THashMap<TTxId, std::pair<ui64, ui32>> TxIdToImport; 
- 
-    void FromXxportInfo(NKikimrImport::TImport& exprt, const TImportInfo::TPtr importInfo); 
- 
-    static void PersistCreateImport(NIceDb::TNiceDb& db, const TImportInfo::TPtr importInfo); 
-    static void PersistRemoveImport(NIceDb::TNiceDb& db, const TImportInfo::TPtr importInfo); 
-    static void PersistImportState(NIceDb::TNiceDb& db, const TImportInfo::TPtr importInfo); 
-    static void PersistImportItemState(NIceDb::TNiceDb& db, const TImportInfo::TPtr importInfo, ui32 itemIdx); 
-    static void PersistImportItemScheme(NIceDb::TNiceDb& db, const TImportInfo::TPtr importInfo, ui32 itemIdx); 
-    static void PersistImportItemDstPathId(NIceDb::TNiceDb& db, const TImportInfo::TPtr importInfo, ui32 itemIdx); 
- 
-    struct TImport { 
-        struct TTxCreate; 
-        struct TTxGet; 
-        struct TTxCancel; 
-        struct TTxCancelAck; 
-        struct TTxForget; 
-        struct TTxList; 
- 
-        struct TTxProgress; 
-    }; 
- 
-    NTabletFlatExecutor::ITransaction* CreateTxCreateImport(TEvImport::TEvCreateImportRequest::TPtr& ev); 
-    NTabletFlatExecutor::ITransaction* CreateTxGetImport(TEvImport::TEvGetImportRequest::TPtr& ev); 
-    NTabletFlatExecutor::ITransaction* CreateTxCancelImport(TEvImport::TEvCancelImportRequest::TPtr& ev); 
+
+    void Handle(TEvExport::TEvCreateExportRequest::TPtr& ev, const TActorContext& ctx);
+    void Handle(TEvExport::TEvGetExportRequest::TPtr& ev, const TActorContext& ctx);
+    void Handle(TEvExport::TEvCancelExportRequest::TPtr& ev, const TActorContext& ctx);
+    void Handle(TEvExport::TEvForgetExportRequest::TPtr& ev, const TActorContext& ctx);
+    void Handle(TEvExport::TEvListExportsRequest::TPtr& ev, const TActorContext& ctx);
+
+    void ResumeExports(const TVector<ui64>& exportIds, const TActorContext& ctx);
+    // } // NExport
+
+    // namespace NImport {
+    THashMap<ui64, TImportInfo::TPtr> Imports;
+    THashMap<TString, TImportInfo::TPtr> ImportsByUid;
+    THashMap<TTxId, std::pair<ui64, ui32>> TxIdToImport;
+
+    void FromXxportInfo(NKikimrImport::TImport& exprt, const TImportInfo::TPtr importInfo);
+
+    static void PersistCreateImport(NIceDb::TNiceDb& db, const TImportInfo::TPtr importInfo);
+    static void PersistRemoveImport(NIceDb::TNiceDb& db, const TImportInfo::TPtr importInfo);
+    static void PersistImportState(NIceDb::TNiceDb& db, const TImportInfo::TPtr importInfo);
+    static void PersistImportItemState(NIceDb::TNiceDb& db, const TImportInfo::TPtr importInfo, ui32 itemIdx);
+    static void PersistImportItemScheme(NIceDb::TNiceDb& db, const TImportInfo::TPtr importInfo, ui32 itemIdx);
+    static void PersistImportItemDstPathId(NIceDb::TNiceDb& db, const TImportInfo::TPtr importInfo, ui32 itemIdx);
+
+    struct TImport {
+        struct TTxCreate;
+        struct TTxGet;
+        struct TTxCancel;
+        struct TTxCancelAck;
+        struct TTxForget;
+        struct TTxList;
+
+        struct TTxProgress;
+    };
+
+    NTabletFlatExecutor::ITransaction* CreateTxCreateImport(TEvImport::TEvCreateImportRequest::TPtr& ev);
+    NTabletFlatExecutor::ITransaction* CreateTxGetImport(TEvImport::TEvGetImportRequest::TPtr& ev);
+    NTabletFlatExecutor::ITransaction* CreateTxCancelImport(TEvImport::TEvCancelImportRequest::TPtr& ev);
     NTabletFlatExecutor::ITransaction* CreateTxCancelImportAck(TEvSchemeShard::TEvCancelTxResult::TPtr& ev);
-    NTabletFlatExecutor::ITransaction* CreateTxCancelImportAck(TEvIndexBuilder::TEvCancelResponse::TPtr& ev); 
-    NTabletFlatExecutor::ITransaction* CreateTxForgetImport(TEvImport::TEvForgetImportRequest::TPtr& ev); 
-    NTabletFlatExecutor::ITransaction* CreateTxListImports(TEvImport::TEvListImportsRequest::TPtr& ev); 
- 
-    NTabletFlatExecutor::ITransaction* CreateTxProgressImport(ui64 id); 
-    NTabletFlatExecutor::ITransaction* CreateTxProgressImport(TEvPrivate::TEvImportSchemeReady::TPtr& ev); 
-    NTabletFlatExecutor::ITransaction* CreateTxProgressImport(TEvTxAllocatorClient::TEvAllocateResult::TPtr& ev); 
+    NTabletFlatExecutor::ITransaction* CreateTxCancelImportAck(TEvIndexBuilder::TEvCancelResponse::TPtr& ev);
+    NTabletFlatExecutor::ITransaction* CreateTxForgetImport(TEvImport::TEvForgetImportRequest::TPtr& ev);
+    NTabletFlatExecutor::ITransaction* CreateTxListImports(TEvImport::TEvListImportsRequest::TPtr& ev);
+
+    NTabletFlatExecutor::ITransaction* CreateTxProgressImport(ui64 id);
+    NTabletFlatExecutor::ITransaction* CreateTxProgressImport(TEvPrivate::TEvImportSchemeReady::TPtr& ev);
+    NTabletFlatExecutor::ITransaction* CreateTxProgressImport(TEvTxAllocatorClient::TEvAllocateResult::TPtr& ev);
     NTabletFlatExecutor::ITransaction* CreateTxProgressImport(TEvSchemeShard::TEvModifySchemeTransactionResult::TPtr& ev);
-    NTabletFlatExecutor::ITransaction* CreateTxProgressImport(TEvIndexBuilder::TEvCreateResponse::TPtr& ev); 
+    NTabletFlatExecutor::ITransaction* CreateTxProgressImport(TEvIndexBuilder::TEvCreateResponse::TPtr& ev);
     NTabletFlatExecutor::ITransaction* CreateTxProgressImport(TEvSchemeShard::TEvNotifyTxCompletionResult::TPtr& ev);
- 
-    void Handle(TEvImport::TEvCreateImportRequest::TPtr& ev, const TActorContext& ctx); 
-    void Handle(TEvImport::TEvGetImportRequest::TPtr& ev, const TActorContext& ctx); 
-    void Handle(TEvImport::TEvCancelImportRequest::TPtr& ev, const TActorContext& ctx); 
-    void Handle(TEvImport::TEvForgetImportRequest::TPtr& ev, const TActorContext& ctx); 
-    void Handle(TEvImport::TEvListImportsRequest::TPtr& ev, const TActorContext& ctx); 
-    void Handle(TEvPrivate::TEvImportSchemeReady::TPtr& ev, const TActorContext& ctx); 
- 
-    void ResumeImports(const TVector<ui64>& ids, const TActorContext& ctx); 
-    // } // NImport 
- 
+
+    void Handle(TEvImport::TEvCreateImportRequest::TPtr& ev, const TActorContext& ctx);
+    void Handle(TEvImport::TEvGetImportRequest::TPtr& ev, const TActorContext& ctx);
+    void Handle(TEvImport::TEvCancelImportRequest::TPtr& ev, const TActorContext& ctx);
+    void Handle(TEvImport::TEvForgetImportRequest::TPtr& ev, const TActorContext& ctx);
+    void Handle(TEvImport::TEvListImportsRequest::TPtr& ev, const TActorContext& ctx);
+    void Handle(TEvPrivate::TEvImportSchemeReady::TPtr& ev, const TActorContext& ctx);
+
+    void ResumeImports(const TVector<ui64>& ids, const TActorContext& ctx);
+    // } // NImport
+
     void FillTableSchemaVersion(ui64 schemaVersion, NKikimrSchemeOp::TTableDescription *tableDescr) const;
- 
+
     // namespace NIndexBuilder {
     TControlWrapper AllowDataColumnForIndexTable;
-    TControlWrapper EnableAsyncIndexes; 
+    TControlWrapper EnableAsyncIndexes;
     TControlWrapper EnableSchemeTransactionsAtSchemeShard;
 
     THashMap<TIndexBuildId, TIndexBuildInfo::TPtr> IndexBuilds;
@@ -976,33 +976,33 @@ public:
     };
     TDedicatedPipePool IndexBuildPipes;
 
-    void PersistCreateBuildIndex(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo); 
-    void PersistBuildIndexState(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo); 
-    void PersistBuildIndexIssue(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo); 
-    void PersistBuildIndexCancelRequest(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo); 
- 
-    void PersistBuildIndexInitiateTxId(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo); 
-    void PersistBuildIndexInitiateTxStatus(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo); 
-    void PersistBuildIndexInitiateTxDone(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo); 
- 
-    void PersistBuildIndexLockTxId(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo); 
-    void PersistBuildIndexLockTxStatus(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo); 
-    void PersistBuildIndexLockTxDone(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo); 
- 
-    void PersistBuildIndexApplyTxId(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo); 
-    void PersistBuildIndexApplyTxStatus(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo); 
-    void PersistBuildIndexApplyTxDone(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo); 
- 
-    void PersistBuildIndexUnlockTxId(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo); 
-    void PersistBuildIndexUnlockTxStatus(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo); 
-    void PersistBuildIndexUnlockTxDone(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo); 
- 
-    void PersistBuildIndexUploadProgress(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo, const TShardIdx& shardIdx); 
-    void PersistBuildIndexUploadInitiate(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo, const TShardIdx& shardIdx); 
+    void PersistCreateBuildIndex(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo);
+    void PersistBuildIndexState(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo);
+    void PersistBuildIndexIssue(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo);
+    void PersistBuildIndexCancelRequest(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo);
+
+    void PersistBuildIndexInitiateTxId(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo);
+    void PersistBuildIndexInitiateTxStatus(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo);
+    void PersistBuildIndexInitiateTxDone(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo);
+
+    void PersistBuildIndexLockTxId(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo);
+    void PersistBuildIndexLockTxStatus(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo);
+    void PersistBuildIndexLockTxDone(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo);
+
+    void PersistBuildIndexApplyTxId(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo);
+    void PersistBuildIndexApplyTxStatus(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo);
+    void PersistBuildIndexApplyTxDone(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo);
+
+    void PersistBuildIndexUnlockTxId(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo);
+    void PersistBuildIndexUnlockTxStatus(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo);
+    void PersistBuildIndexUnlockTxDone(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo);
+
+    void PersistBuildIndexUploadProgress(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo, const TShardIdx& shardIdx);
+    void PersistBuildIndexUploadInitiate(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo, const TShardIdx& shardIdx);
     void PersistBuildIndexBilling(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo);
- 
-    void PersistBuildIndexForget(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo); 
- 
+
+    void PersistBuildIndexForget(NIceDb::TNiceDb& db, const TIndexBuildInfo::TPtr indexInfo);
+
     struct TIndexBuilder {
         class TTxBase;
 
diff --git a/ydb/core/tx/schemeshard/schemeshard_import.cpp b/ydb/core/tx/schemeshard/schemeshard_import.cpp
index 896fe33f49..c5e7d6c3d1 100644
--- a/ydb/core/tx/schemeshard/schemeshard_import.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard_import.cpp
@@ -1,200 +1,200 @@
-#include "schemeshard_import.h" 
-#include "schemeshard_import_helpers.h" 
-#include "schemeshard_impl.h" 
- 
-#include <util/generic/xrange.h> 
- 
-namespace NKikimr { 
+#include "schemeshard_import.h"
+#include "schemeshard_import_helpers.h"
+#include "schemeshard_impl.h"
+
+#include <util/generic/xrange.h>
+
+namespace NKikimr {
 namespace NSchemeShard {
- 
-namespace { 
- 
-    void FillIssues(NKikimrImport::TImport& import, const TImportInfo::TPtr importInfo) { 
-        if (importInfo->Issue) { 
-            AddIssue(import, importInfo->Issue); 
-        } 
- 
-        for (const auto& item : importInfo->Items) { 
-            if (item.Issue) { 
-                AddIssue(import, item.Issue); 
-            } 
-        } 
-    } 
- 
-    TImportInfo::EState GetMinState(TImportInfo::TPtr importInfo) { 
-        TImportInfo::EState state = TImportInfo::EState::Invalid; 
- 
-        for (const auto& item : importInfo->Items) { 
-            if (state == TImportInfo::EState::Invalid) { 
-                state = item.State; 
-            } 
- 
-            state = Min(state, item.State); 
-        } 
- 
-        return state; 
-    } 
- 
-} // anonymous 
- 
+
+namespace {
+
+    void FillIssues(NKikimrImport::TImport& import, const TImportInfo::TPtr importInfo) {
+        if (importInfo->Issue) {
+            AddIssue(import, importInfo->Issue);
+        }
+
+        for (const auto& item : importInfo->Items) {
+            if (item.Issue) {
+                AddIssue(import, item.Issue);
+            }
+        }
+    }
+
+    TImportInfo::EState GetMinState(TImportInfo::TPtr importInfo) {
+        TImportInfo::EState state = TImportInfo::EState::Invalid;
+
+        for (const auto& item : importInfo->Items) {
+            if (state == TImportInfo::EState::Invalid) {
+                state = item.State;
+            }
+
+            state = Min(state, item.State);
+        }
+
+        return state;
+    }
+
+} // anonymous
+
 void TSchemeShard::FromXxportInfo(NKikimrImport::TImport& import, const TImportInfo::TPtr importInfo) {
-    import.SetId(importInfo->Id); 
-    import.SetStatus(Ydb::StatusIds::SUCCESS); 
- 
-    switch (importInfo->State) { 
-    case TImportInfo::EState::Waiting: 
-        switch (GetMinState(importInfo)) { 
-        case TImportInfo::EState::GetScheme: 
-        case TImportInfo::EState::CreateTable: 
-            import.SetProgress(Ydb::Import::ImportProgress::PROGRESS_PREPARING); 
-            break; 
-        case TImportInfo::EState::Transferring: 
-            // TODO(ilnaz): fill items progress 
-            import.SetProgress(Ydb::Import::ImportProgress::PROGRESS_TRANSFER_DATA); 
-            break; 
-        case TImportInfo::EState::BuildIndexes: 
-            import.SetProgress(Ydb::Import::ImportProgress::PROGRESS_BUILD_INDEXES); 
-            break; 
-        case TImportInfo::EState::Done: 
-            import.SetProgress(Ydb::Import::ImportProgress::PROGRESS_DONE); 
-            break; 
-        default: 
-            import.SetProgress(Ydb::Import::ImportProgress::PROGRESS_UNSPECIFIED); 
-            break; 
-        } 
-        break; 
- 
-    case TImportInfo::EState::Done: 
-        import.SetProgress(Ydb::Import::ImportProgress::PROGRESS_DONE); 
-        break; 
- 
-    case TImportInfo::EState::Cancellation: 
-        FillIssues(import, importInfo); 
-        import.SetProgress(Ydb::Import::ImportProgress::PROGRESS_CANCELLATION); 
-        break; 
- 
-    case TImportInfo::EState::Cancelled: 
-        import.SetStatus(Ydb::StatusIds::CANCELLED); 
-        FillIssues(import, importInfo); 
-        import.SetProgress(Ydb::Import::ImportProgress::PROGRESS_CANCELLED); 
-        break; 
- 
-    default: 
-        import.SetStatus(Ydb::StatusIds::UNDETERMINED); 
-        import.SetProgress(Ydb::Import::ImportProgress::PROGRESS_UNSPECIFIED); 
-        break; 
-    } 
- 
-    switch (importInfo->Kind) { 
-    case TImportInfo::EKind::S3: 
-        import.MutableImportFromS3Settings()->CopyFrom(importInfo->Settings); 
-        import.MutableImportFromS3Settings()->clear_access_key(); 
-        import.MutableImportFromS3Settings()->clear_secret_key(); 
-        break; 
-    } 
-} 
- 
+    import.SetId(importInfo->Id);
+    import.SetStatus(Ydb::StatusIds::SUCCESS);
+
+    switch (importInfo->State) {
+    case TImportInfo::EState::Waiting:
+        switch (GetMinState(importInfo)) {
+        case TImportInfo::EState::GetScheme:
+        case TImportInfo::EState::CreateTable:
+            import.SetProgress(Ydb::Import::ImportProgress::PROGRESS_PREPARING);
+            break;
+        case TImportInfo::EState::Transferring:
+            // TODO(ilnaz): fill items progress
+            import.SetProgress(Ydb::Import::ImportProgress::PROGRESS_TRANSFER_DATA);
+            break;
+        case TImportInfo::EState::BuildIndexes:
+            import.SetProgress(Ydb::Import::ImportProgress::PROGRESS_BUILD_INDEXES);
+            break;
+        case TImportInfo::EState::Done:
+            import.SetProgress(Ydb::Import::ImportProgress::PROGRESS_DONE);
+            break;
+        default:
+            import.SetProgress(Ydb::Import::ImportProgress::PROGRESS_UNSPECIFIED);
+            break;
+        }
+        break;
+
+    case TImportInfo::EState::Done:
+        import.SetProgress(Ydb::Import::ImportProgress::PROGRESS_DONE);
+        break;
+
+    case TImportInfo::EState::Cancellation:
+        FillIssues(import, importInfo);
+        import.SetProgress(Ydb::Import::ImportProgress::PROGRESS_CANCELLATION);
+        break;
+
+    case TImportInfo::EState::Cancelled:
+        import.SetStatus(Ydb::StatusIds::CANCELLED);
+        FillIssues(import, importInfo);
+        import.SetProgress(Ydb::Import::ImportProgress::PROGRESS_CANCELLED);
+        break;
+
+    default:
+        import.SetStatus(Ydb::StatusIds::UNDETERMINED);
+        import.SetProgress(Ydb::Import::ImportProgress::PROGRESS_UNSPECIFIED);
+        break;
+    }
+
+    switch (importInfo->Kind) {
+    case TImportInfo::EKind::S3:
+        import.MutableImportFromS3Settings()->CopyFrom(importInfo->Settings);
+        import.MutableImportFromS3Settings()->clear_access_key();
+        import.MutableImportFromS3Settings()->clear_secret_key();
+        break;
+    }
+}
+
 void TSchemeShard::PersistCreateImport(NIceDb::TNiceDb& db, const TImportInfo::TPtr importInfo) {
-    db.Table<Schema::Imports>().Key(importInfo->Id).Update( 
-        NIceDb::TUpdate<Schema::Imports::Uid>(importInfo->Uid), 
-        NIceDb::TUpdate<Schema::Imports::Kind>(static_cast<ui8>(importInfo->Kind)), 
-        NIceDb::TUpdate<Schema::Imports::Settings>(importInfo->Settings.SerializeAsString()), 
-        NIceDb::TUpdate<Schema::Imports::DomainPathOwnerId>(importInfo->DomainPathId.OwnerId), 
-        NIceDb::TUpdate<Schema::Imports::DomainPathLocalId>(importInfo->DomainPathId.LocalPathId), 
-        NIceDb::TUpdate<Schema::Imports::Items>(importInfo->Items.size()) 
-    ); 
- 
-    if (importInfo->UserSID) { 
-        db.Table<Schema::Imports>().Key(importInfo->Id).Update( 
-            NIceDb::TUpdate<Schema::Imports::UserSID>(*importInfo->UserSID) 
-        ); 
-    } 
- 
-    for (ui32 itemIdx : xrange(importInfo->Items.size())) { 
-        const auto& item = importInfo->Items.at(itemIdx); 
- 
-        db.Table<Schema::ImportItems>().Key(importInfo->Id, itemIdx).Update( 
-            NIceDb::TUpdate<Schema::ImportItems::DstPathName>(item.DstPathName), 
-            NIceDb::TUpdate<Schema::ImportItems::State>(static_cast<ui8>(item.State)) 
-        ); 
-    } 
-} 
- 
+    db.Table<Schema::Imports>().Key(importInfo->Id).Update(
+        NIceDb::TUpdate<Schema::Imports::Uid>(importInfo->Uid),
+        NIceDb::TUpdate<Schema::Imports::Kind>(static_cast<ui8>(importInfo->Kind)),
+        NIceDb::TUpdate<Schema::Imports::Settings>(importInfo->Settings.SerializeAsString()),
+        NIceDb::TUpdate<Schema::Imports::DomainPathOwnerId>(importInfo->DomainPathId.OwnerId),
+        NIceDb::TUpdate<Schema::Imports::DomainPathLocalId>(importInfo->DomainPathId.LocalPathId),
+        NIceDb::TUpdate<Schema::Imports::Items>(importInfo->Items.size())
+    );
+
+    if (importInfo->UserSID) {
+        db.Table<Schema::Imports>().Key(importInfo->Id).Update(
+            NIceDb::TUpdate<Schema::Imports::UserSID>(*importInfo->UserSID)
+        );
+    }
+
+    for (ui32 itemIdx : xrange(importInfo->Items.size())) {
+        const auto& item = importInfo->Items.at(itemIdx);
+
+        db.Table<Schema::ImportItems>().Key(importInfo->Id, itemIdx).Update(
+            NIceDb::TUpdate<Schema::ImportItems::DstPathName>(item.DstPathName),
+            NIceDb::TUpdate<Schema::ImportItems::State>(static_cast<ui8>(item.State))
+        );
+    }
+}
+
 void TSchemeShard::PersistRemoveImport(NIceDb::TNiceDb& db, const TImportInfo::TPtr importInfo) {
-    for (ui32 itemIdx : xrange(importInfo->Items.size())) { 
-        db.Table<Schema::ImportItems>().Key(importInfo->Id, itemIdx).Delete(); 
-    } 
- 
-    db.Table<Schema::Imports>().Key(importInfo->Id).Delete(); 
-} 
- 
+    for (ui32 itemIdx : xrange(importInfo->Items.size())) {
+        db.Table<Schema::ImportItems>().Key(importInfo->Id, itemIdx).Delete();
+    }
+
+    db.Table<Schema::Imports>().Key(importInfo->Id).Delete();
+}
+
 void TSchemeShard::PersistImportState(NIceDb::TNiceDb& db, const TImportInfo::TPtr importInfo) {
-    db.Table<Schema::Imports>().Key(importInfo->Id).Update( 
-        NIceDb::TUpdate<Schema::Imports::State>(static_cast<ui8>(importInfo->State)), 
-        NIceDb::TUpdate<Schema::Imports::Issue>(importInfo->Issue) 
-    ); 
-} 
- 
+    db.Table<Schema::Imports>().Key(importInfo->Id).Update(
+        NIceDb::TUpdate<Schema::Imports::State>(static_cast<ui8>(importInfo->State)),
+        NIceDb::TUpdate<Schema::Imports::Issue>(importInfo->Issue)
+    );
+}
+
 void TSchemeShard::PersistImportItemState(NIceDb::TNiceDb& db, const TImportInfo::TPtr importInfo, ui32 itemIdx) {
-    Y_VERIFY(itemIdx < importInfo->Items.size()); 
-    const auto& item = importInfo->Items.at(itemIdx); 
- 
-    db.Table<Schema::ImportItems>().Key(importInfo->Id, itemIdx).Update( 
-        NIceDb::TUpdate<Schema::ImportItems::State>(static_cast<ui8>(item.State)), 
-        NIceDb::TUpdate<Schema::ImportItems::WaitTxId>(item.WaitTxId), 
-        NIceDb::TUpdate<Schema::ImportItems::NextIndexIdx>(item.NextIndexIdx), 
-        NIceDb::TUpdate<Schema::ImportItems::Issue>(item.Issue) 
-    ); 
-} 
- 
+    Y_VERIFY(itemIdx < importInfo->Items.size());
+    const auto& item = importInfo->Items.at(itemIdx);
+
+    db.Table<Schema::ImportItems>().Key(importInfo->Id, itemIdx).Update(
+        NIceDb::TUpdate<Schema::ImportItems::State>(static_cast<ui8>(item.State)),
+        NIceDb::TUpdate<Schema::ImportItems::WaitTxId>(item.WaitTxId),
+        NIceDb::TUpdate<Schema::ImportItems::NextIndexIdx>(item.NextIndexIdx),
+        NIceDb::TUpdate<Schema::ImportItems::Issue>(item.Issue)
+    );
+}
+
 void TSchemeShard::PersistImportItemScheme(NIceDb::TNiceDb& db, const TImportInfo::TPtr importInfo, ui32 itemIdx) {
-    Y_VERIFY(itemIdx < importInfo->Items.size()); 
-    const auto& item = importInfo->Items.at(itemIdx); 
- 
-    db.Table<Schema::ImportItems>().Key(importInfo->Id, itemIdx).Update( 
-        NIceDb::TUpdate<Schema::ImportItems::Scheme>(item.Scheme.SerializeAsString()) 
-    ); 
-} 
- 
+    Y_VERIFY(itemIdx < importInfo->Items.size());
+    const auto& item = importInfo->Items.at(itemIdx);
+
+    db.Table<Schema::ImportItems>().Key(importInfo->Id, itemIdx).Update(
+        NIceDb::TUpdate<Schema::ImportItems::Scheme>(item.Scheme.SerializeAsString())
+    );
+}
+
 void TSchemeShard::PersistImportItemDstPathId(NIceDb::TNiceDb& db, const TImportInfo::TPtr importInfo, ui32 itemIdx) {
-    Y_VERIFY(itemIdx < importInfo->Items.size()); 
-    const auto& item = importInfo->Items.at(itemIdx); 
- 
-    db.Table<Schema::ImportItems>().Key(importInfo->Id, itemIdx).Update( 
-        NIceDb::TUpdate<Schema::ImportItems::DstPathOwnerId>(item.DstPathId.OwnerId), 
-        NIceDb::TUpdate<Schema::ImportItems::DstPathLocalId>(item.DstPathId.LocalPathId) 
-    ); 
-} 
- 
+    Y_VERIFY(itemIdx < importInfo->Items.size());
+    const auto& item = importInfo->Items.at(itemIdx);
+
+    db.Table<Schema::ImportItems>().Key(importInfo->Id, itemIdx).Update(
+        NIceDb::TUpdate<Schema::ImportItems::DstPathOwnerId>(item.DstPathId.OwnerId),
+        NIceDb::TUpdate<Schema::ImportItems::DstPathLocalId>(item.DstPathId.LocalPathId)
+    );
+}
+
 void TSchemeShard::Handle(TEvImport::TEvCreateImportRequest::TPtr& ev, const TActorContext& ctx) {
-    Execute(CreateTxCreateImport(ev), ctx); 
-} 
- 
+    Execute(CreateTxCreateImport(ev), ctx);
+}
+
 void TSchemeShard::Handle(TEvImport::TEvGetImportRequest::TPtr& ev, const TActorContext& ctx) {
-    Execute(CreateTxGetImport(ev), ctx); 
-} 
- 
+    Execute(CreateTxGetImport(ev), ctx);
+}
+
 void TSchemeShard::Handle(TEvImport::TEvCancelImportRequest::TPtr& ev, const TActorContext& ctx) {
-    Execute(CreateTxCancelImport(ev), ctx); 
-} 
- 
+    Execute(CreateTxCancelImport(ev), ctx);
+}
+
 void TSchemeShard::Handle(TEvImport::TEvForgetImportRequest::TPtr& ev, const TActorContext& ctx) {
-    Execute(CreateTxForgetImport(ev), ctx); 
-} 
- 
+    Execute(CreateTxForgetImport(ev), ctx);
+}
+
 void TSchemeShard::Handle(TEvImport::TEvListImportsRequest::TPtr& ev, const TActorContext& ctx) {
-    Execute(CreateTxListImports(ev), ctx); 
-} 
- 
+    Execute(CreateTxListImports(ev), ctx);
+}
+
 void TSchemeShard::Handle(TEvPrivate::TEvImportSchemeReady::TPtr& ev, const TActorContext& ctx) {
-    Execute(CreateTxProgressImport(ev), ctx); 
-} 
- 
+    Execute(CreateTxProgressImport(ev), ctx);
+}
+
 void TSchemeShard::ResumeImports(const TVector<ui64>& ids, const TActorContext& ctx) {
-    for (const ui64 id : ids) { 
-        Execute(CreateTxProgressImport(id), ctx); 
-    } 
-} 
- 
+    for (const ui64 id : ids) {
+        Execute(CreateTxProgressImport(id), ctx);
+    }
+}
+
 } // NSchemeShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard_import.h b/ydb/core/tx/schemeshard/schemeshard_import.h
index dc20e45b3d..41e45e5768 100644
--- a/ydb/core/tx/schemeshard/schemeshard_import.h
+++ b/ydb/core/tx/schemeshard/schemeshard_import.h
@@ -1,171 +1,171 @@
-#pragma once 
- 
-#include "defs.h" 
- 
+#pragma once
+
+#include "defs.h"
+
 #include <ydb/core/protos/import.pb.h>
- 
-namespace NKikimr { 
+
+namespace NKikimr {
 namespace NSchemeShard {
- 
-struct TEvImport { 
-    enum EEv { 
-        EvCreateImportRequest = EventSpaceBegin(TKikimrEvents::ES_IMPORT_SERVICE), 
-        EvCreateImportResponse, 
-        EvGetImportRequest, 
-        EvGetImportResponse, 
-        EvCancelImportRequest, 
-        EvCancelImportResponse, 
-        EvForgetImportRequest, 
-        EvForgetImportResponse, 
-        EvListImportsRequest, 
-        EvListImportsResponse, 
- 
-        EvEnd 
-    }; 
- 
-    static_assert( 
-        EvEnd < EventSpaceEnd(TKikimrEvents::ES_IMPORT_SERVICE), 
-        "expect EvEnd < EventSpaceEnd(TKikimrEvents::ES_IMPORT_SERVICE)" 
-    ); 
- 
-#ifdef DECLARE_EVENT_CLASS 
-#error DECLARE_EVENT_CLASS macro redefinition 
-#else 
-#define DECLARE_EVENT_CLASS(NAME) struct T##NAME: public TEventPB<T##NAME, NKikimrImport::T##NAME, NAME> 
-#endif 
- 
-    DECLARE_EVENT_CLASS(EvCreateImportRequest) { 
-        TEvCreateImportRequest() = default; 
- 
-        explicit TEvCreateImportRequest( 
-            const ui64 txId, 
-            const TString& dbName, 
-            const NKikimrImport::TCreateImportRequest& request 
-        ) { 
-            Record.SetTxId(txId); 
-            Record.SetDatabaseName(dbName); 
-            Record.MutableRequest()->CopyFrom(request); 
-        } 
-    }; 
- 
-    DECLARE_EVENT_CLASS(EvCreateImportResponse) { 
-        TEvCreateImportResponse() = default; 
- 
-        explicit TEvCreateImportResponse(const ui64 txId) { 
-            Record.SetTxId(txId); 
-        } 
-    }; 
- 
-    DECLARE_EVENT_CLASS(EvGetImportRequest) { 
-        TEvGetImportRequest() = default; 
- 
-        explicit TEvGetImportRequest(const TString& dbName, const NKikimrImport::TGetImportRequest& request) { 
-            Record.SetDatabaseName(dbName); 
-            Record.MutableRequest()->CopyFrom(request); 
-        } 
- 
-        explicit TEvGetImportRequest(const TString& dbName, const ui64 importId) { 
-            Record.SetDatabaseName(dbName); 
-            Record.MutableRequest()->SetId(importId); 
-        } 
-    }; 
- 
-    DECLARE_EVENT_CLASS(EvGetImportResponse) { 
-    }; 
- 
-    DECLARE_EVENT_CLASS(EvCancelImportRequest) { 
-        TEvCancelImportRequest() = default; 
- 
-        explicit TEvCancelImportRequest( 
-            const ui64 txId, 
-            const TString& dbName, 
-            const NKikimrImport::TCancelImportRequest& request 
-        ) { 
-            Record.SetTxId(txId); 
-            Record.SetDatabaseName(dbName); 
-            Record.MutableRequest()->CopyFrom(request); 
-        } 
- 
-        explicit TEvCancelImportRequest( 
-            const ui64 txId, 
-            const TString& dbName, 
-            const ui64 importId 
-        ) { 
-            Record.SetTxId(txId); 
-            Record.SetDatabaseName(dbName); 
-            Record.MutableRequest()->SetId(importId); 
-        } 
-    }; 
- 
-    DECLARE_EVENT_CLASS(EvCancelImportResponse) { 
-        TEvCancelImportResponse() = default; 
- 
-        explicit TEvCancelImportResponse(const ui64 txId) { 
-            Record.SetTxId(txId); 
-        } 
-    }; 
- 
-    DECLARE_EVENT_CLASS(EvForgetImportRequest) { 
-        TEvForgetImportRequest() = default; 
- 
-        explicit TEvForgetImportRequest( 
-            const ui64 txId, 
-            const TString& dbName, 
-            const NKikimrImport::TForgetImportRequest& request 
-        ) { 
-            Record.SetTxId(txId); 
-            Record.SetDatabaseName(dbName); 
-            Record.MutableRequest()->CopyFrom(request); 
-        } 
- 
-        explicit TEvForgetImportRequest( 
-            const ui64 txId, 
-            const TString& dbName, 
-            const ui64 importId 
-        ) { 
-            Record.SetTxId(txId); 
-            Record.SetDatabaseName(dbName); 
-            Record.MutableRequest()->SetId(importId); 
-        } 
-    }; 
- 
-    DECLARE_EVENT_CLASS(EvForgetImportResponse) { 
-        TEvForgetImportResponse() = default; 
- 
-        explicit TEvForgetImportResponse(const ui64 txId) { 
-            Record.SetTxId(txId); 
-        } 
-    }; 
- 
-    DECLARE_EVENT_CLASS(EvListImportsRequest) { 
-        TEvListImportsRequest() = default; 
- 
-        explicit TEvListImportsRequest(const TString& dbName, const NKikimrImport::TListImportsRequest& request) { 
-            Record.SetDatabaseName(dbName); 
-            Record.MutableRequest()->CopyFrom(request); 
-        } 
- 
-        explicit TEvListImportsRequest( 
-            const TString& dbName, 
-            const ui64 pageSize, 
-            const TString& pageToken, 
-            const TString& kind 
-        ) { 
-            Record.SetDatabaseName(dbName); 
- 
-            auto& request = *Record.MutableRequest(); 
-            request.SetPageSize(pageSize); 
-            request.SetPageToken(pageToken); 
-            request.SetKind(kind); 
-        } 
-    }; 
- 
-    DECLARE_EVENT_CLASS(EvListImportsResponse) { 
-    }; 
- 
-#undef DECLARE_EVENT_CLASS 
- 
-}; // TEvImport 
- 
+
+struct TEvImport {
+    enum EEv {
+        EvCreateImportRequest = EventSpaceBegin(TKikimrEvents::ES_IMPORT_SERVICE),
+        EvCreateImportResponse,
+        EvGetImportRequest,
+        EvGetImportResponse,
+        EvCancelImportRequest,
+        EvCancelImportResponse,
+        EvForgetImportRequest,
+        EvForgetImportResponse,
+        EvListImportsRequest,
+        EvListImportsResponse,
+
+        EvEnd
+    };
+
+    static_assert(
+        EvEnd < EventSpaceEnd(TKikimrEvents::ES_IMPORT_SERVICE),
+        "expect EvEnd < EventSpaceEnd(TKikimrEvents::ES_IMPORT_SERVICE)"
+    );
+
+#ifdef DECLARE_EVENT_CLASS
+#error DECLARE_EVENT_CLASS macro redefinition
+#else
+#define DECLARE_EVENT_CLASS(NAME) struct T##NAME: public TEventPB<T##NAME, NKikimrImport::T##NAME, NAME>
+#endif
+
+    DECLARE_EVENT_CLASS(EvCreateImportRequest) {
+        TEvCreateImportRequest() = default;
+
+        explicit TEvCreateImportRequest(
+            const ui64 txId,
+            const TString& dbName,
+            const NKikimrImport::TCreateImportRequest& request
+        ) {
+            Record.SetTxId(txId);
+            Record.SetDatabaseName(dbName);
+            Record.MutableRequest()->CopyFrom(request);
+        }
+    };
+
+    DECLARE_EVENT_CLASS(EvCreateImportResponse) {
+        TEvCreateImportResponse() = default;
+
+        explicit TEvCreateImportResponse(const ui64 txId) {
+            Record.SetTxId(txId);
+        }
+    };
+
+    DECLARE_EVENT_CLASS(EvGetImportRequest) {
+        TEvGetImportRequest() = default;
+
+        explicit TEvGetImportRequest(const TString& dbName, const NKikimrImport::TGetImportRequest& request) {
+            Record.SetDatabaseName(dbName);
+            Record.MutableRequest()->CopyFrom(request);
+        }
+
+        explicit TEvGetImportRequest(const TString& dbName, const ui64 importId) {
+            Record.SetDatabaseName(dbName);
+            Record.MutableRequest()->SetId(importId);
+        }
+    };
+
+    DECLARE_EVENT_CLASS(EvGetImportResponse) {
+    };
+
+    DECLARE_EVENT_CLASS(EvCancelImportRequest) {
+        TEvCancelImportRequest() = default;
+
+        explicit TEvCancelImportRequest(
+            const ui64 txId,
+            const TString& dbName,
+            const NKikimrImport::TCancelImportRequest& request
+        ) {
+            Record.SetTxId(txId);
+            Record.SetDatabaseName(dbName);
+            Record.MutableRequest()->CopyFrom(request);
+        }
+
+        explicit TEvCancelImportRequest(
+            const ui64 txId,
+            const TString& dbName,
+            const ui64 importId
+        ) {
+            Record.SetTxId(txId);
+            Record.SetDatabaseName(dbName);
+            Record.MutableRequest()->SetId(importId);
+        }
+    };
+
+    DECLARE_EVENT_CLASS(EvCancelImportResponse) {
+        TEvCancelImportResponse() = default;
+
+        explicit TEvCancelImportResponse(const ui64 txId) {
+            Record.SetTxId(txId);
+        }
+    };
+
+    DECLARE_EVENT_CLASS(EvForgetImportRequest) {
+        TEvForgetImportRequest() = default;
+
+        explicit TEvForgetImportRequest(
+            const ui64 txId,
+            const TString& dbName,
+            const NKikimrImport::TForgetImportRequest& request
+        ) {
+            Record.SetTxId(txId);
+            Record.SetDatabaseName(dbName);
+            Record.MutableRequest()->CopyFrom(request);
+        }
+
+        explicit TEvForgetImportRequest(
+            const ui64 txId,
+            const TString& dbName,
+            const ui64 importId
+        ) {
+            Record.SetTxId(txId);
+            Record.SetDatabaseName(dbName);
+            Record.MutableRequest()->SetId(importId);
+        }
+    };
+
+    DECLARE_EVENT_CLASS(EvForgetImportResponse) {
+        TEvForgetImportResponse() = default;
+
+        explicit TEvForgetImportResponse(const ui64 txId) {
+            Record.SetTxId(txId);
+        }
+    };
+
+    DECLARE_EVENT_CLASS(EvListImportsRequest) {
+        TEvListImportsRequest() = default;
+
+        explicit TEvListImportsRequest(const TString& dbName, const NKikimrImport::TListImportsRequest& request) {
+            Record.SetDatabaseName(dbName);
+            Record.MutableRequest()->CopyFrom(request);
+        }
+
+        explicit TEvListImportsRequest(
+            const TString& dbName,
+            const ui64 pageSize,
+            const TString& pageToken,
+            const TString& kind
+        ) {
+            Record.SetDatabaseName(dbName);
+
+            auto& request = *Record.MutableRequest();
+            request.SetPageSize(pageSize);
+            request.SetPageToken(pageToken);
+            request.SetKind(kind);
+        }
+    };
+
+    DECLARE_EVENT_CLASS(EvListImportsResponse) {
+    };
+
+#undef DECLARE_EVENT_CLASS
+
+}; // TEvImport
+
 } // NSchemeShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard_import__cancel.cpp b/ydb/core/tx/schemeshard/schemeshard_import__cancel.cpp
index 5943f85f9d..bd1d9972c5 100644
--- a/ydb/core/tx/schemeshard/schemeshard_import__cancel.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard_import__cancel.cpp
@@ -1,210 +1,210 @@
-#include "schemeshard_xxport__tx_base.h" 
-#include "schemeshard_import_flow_proposals.h" 
-#include "schemeshard_import.h" 
-#include "schemeshard_impl.h" 
- 
+#include "schemeshard_xxport__tx_base.h"
+#include "schemeshard_import_flow_proposals.h"
+#include "schemeshard_import.h"
+#include "schemeshard_impl.h"
+
 #include <ydb/public/api/protos/ydb_issue_message.pb.h>
 #include <ydb/public/api/protos/ydb_status_codes.pb.h>
- 
-#include <util/generic/ptr.h> 
-#include <util/generic/xrange.h> 
- 
-namespace NKikimr { 
+
+#include <util/generic/ptr.h>
+#include <util/generic/xrange.h>
+
+namespace NKikimr {
 namespace NSchemeShard {
- 
-using namespace NTabletFlatExecutor; 
- 
+
+using namespace NTabletFlatExecutor;
+
 struct TSchemeShard::TImport::TTxCancel: public TSchemeShard::TXxport::TTxBase {
-    TEvImport::TEvCancelImportRequest::TPtr Request; 
- 
-    explicit TTxCancel(TSelf *self, TEvImport::TEvCancelImportRequest::TPtr& ev) 
-        : TXxport::TTxBase(self) 
-        , Request(ev) 
-    { 
-    } 
- 
-    TTxType GetTxType() const override { 
-        return TXTYPE_CANCEL_IMPORT; 
-    } 
- 
-    bool DoExecute(TTransactionContext& txc, const TActorContext&) override { 
-        const auto& request = Request->Get()->Record; 
- 
-        auto respond = [this, &request](Ydb::StatusIds::StatusCode status) -> bool { 
-            auto response = MakeHolder<TEvImport::TEvCancelImportResponse>(request.GetTxId()); 
-            auto& proto = *response->Record.MutableResponse(); 
- 
-            proto.SetStatus(status); 
-            Send(Request->Sender, std::move(response), 0, Request->Cookie); 
- 
-            return true; 
-        }; 
- 
-        auto it = Self->Imports.find(request.GetRequest().GetId()); 
-        if (it == Self->Imports.end() || !IsSameDomain(it->second, request.GetDatabaseName())) { 
-            return respond(Ydb::StatusIds::NOT_FOUND); 
-        } 
- 
-        TImportInfo::TPtr importInfo = it->second; 
-        NIceDb::TNiceDb db(txc.DB); 
- 
-        switch (importInfo->State) { 
-        case TImportInfo::EState::Done: 
-        case TImportInfo::EState::Cancelled: 
-            return respond(Ydb::StatusIds::SUCCESS); 
- 
-        case TImportInfo::EState::Waiting: 
-        case TImportInfo::EState::Cancellation: 
-            importInfo->Issue = "Cancelled manually"; 
-            importInfo->State = TImportInfo::EState::Cancelled; 
- 
-            for (ui32 itemIdx : xrange(importInfo->Items.size())) { 
-                const auto& item = importInfo->Items.at(itemIdx); 
- 
-                switch (item.State) { 
-                case TImportInfo::EState::Transferring: 
-                    if (item.WaitTxId != InvalidTxId) { 
-                        importInfo->State = TImportInfo::EState::Cancellation; 
-                        Send(Self->SelfId(), CancelRestorePropose(importInfo, item.WaitTxId), 0, importInfo->Id); 
-                    } else if (item.SubState == TImportInfo::TItem::ESubState::Proposed) { 
-                        importInfo->State = TImportInfo::EState::Cancellation; 
-                    } 
-                    break; 
- 
-                case TImportInfo::EState::BuildIndexes: 
-                    if (item.WaitTxId != InvalidTxId) { 
-                        importInfo->State = TImportInfo::EState::Cancellation; 
-                        Send(Self->SelfId(), CancelIndexBuildPropose(Self, importInfo, item.WaitTxId), 0, importInfo->Id); 
-                    } else if (item.SubState == TImportInfo::TItem::ESubState::Proposed) { 
-                        importInfo->State = TImportInfo::EState::Cancellation; 
-                    } 
-                    break; 
- 
-                default: 
-                    break; 
-                } 
-            } 
- 
-            Self->PersistImportState(db, importInfo); 
-            SendNotificationsIfFinished(importInfo); 
-            return respond(Ydb::StatusIds::SUCCESS); 
- 
-        default: 
-            return respond(Ydb::StatusIds::UNDETERMINED); 
-        } 
-    } 
- 
-    void DoComplete(const TActorContext&) override { 
-    } 
- 
-}; // TTxCancel 
- 
+    TEvImport::TEvCancelImportRequest::TPtr Request;
+
+    explicit TTxCancel(TSelf *self, TEvImport::TEvCancelImportRequest::TPtr& ev)
+        : TXxport::TTxBase(self)
+        , Request(ev)
+    {
+    }
+
+    TTxType GetTxType() const override {
+        return TXTYPE_CANCEL_IMPORT;
+    }
+
+    bool DoExecute(TTransactionContext& txc, const TActorContext&) override {
+        const auto& request = Request->Get()->Record;
+
+        auto respond = [this, &request](Ydb::StatusIds::StatusCode status) -> bool {
+            auto response = MakeHolder<TEvImport::TEvCancelImportResponse>(request.GetTxId());
+            auto& proto = *response->Record.MutableResponse();
+
+            proto.SetStatus(status);
+            Send(Request->Sender, std::move(response), 0, Request->Cookie);
+
+            return true;
+        };
+
+        auto it = Self->Imports.find(request.GetRequest().GetId());
+        if (it == Self->Imports.end() || !IsSameDomain(it->second, request.GetDatabaseName())) {
+            return respond(Ydb::StatusIds::NOT_FOUND);
+        }
+
+        TImportInfo::TPtr importInfo = it->second;
+        NIceDb::TNiceDb db(txc.DB);
+
+        switch (importInfo->State) {
+        case TImportInfo::EState::Done:
+        case TImportInfo::EState::Cancelled:
+            return respond(Ydb::StatusIds::SUCCESS);
+
+        case TImportInfo::EState::Waiting:
+        case TImportInfo::EState::Cancellation:
+            importInfo->Issue = "Cancelled manually";
+            importInfo->State = TImportInfo::EState::Cancelled;
+
+            for (ui32 itemIdx : xrange(importInfo->Items.size())) {
+                const auto& item = importInfo->Items.at(itemIdx);
+
+                switch (item.State) {
+                case TImportInfo::EState::Transferring:
+                    if (item.WaitTxId != InvalidTxId) {
+                        importInfo->State = TImportInfo::EState::Cancellation;
+                        Send(Self->SelfId(), CancelRestorePropose(importInfo, item.WaitTxId), 0, importInfo->Id);
+                    } else if (item.SubState == TImportInfo::TItem::ESubState::Proposed) {
+                        importInfo->State = TImportInfo::EState::Cancellation;
+                    }
+                    break;
+
+                case TImportInfo::EState::BuildIndexes:
+                    if (item.WaitTxId != InvalidTxId) {
+                        importInfo->State = TImportInfo::EState::Cancellation;
+                        Send(Self->SelfId(), CancelIndexBuildPropose(Self, importInfo, item.WaitTxId), 0, importInfo->Id);
+                    } else if (item.SubState == TImportInfo::TItem::ESubState::Proposed) {
+                        importInfo->State = TImportInfo::EState::Cancellation;
+                    }
+                    break;
+
+                default:
+                    break;
+                }
+            }
+
+            Self->PersistImportState(db, importInfo);
+            SendNotificationsIfFinished(importInfo);
+            return respond(Ydb::StatusIds::SUCCESS);
+
+        default:
+            return respond(Ydb::StatusIds::UNDETERMINED);
+        }
+    }
+
+    void DoComplete(const TActorContext&) override {
+    }
+
+}; // TTxCancel
+
 struct TSchemeShard::TImport::TTxCancelAck: public TSchemeShard::TXxport::TTxBase {
     TEvSchemeShard::TEvCancelTxResult::TPtr CancelTxResult = nullptr;
-    TEvIndexBuilder::TEvCancelResponse::TPtr CancelIndexBuildResult = nullptr; 
- 
+    TEvIndexBuilder::TEvCancelResponse::TPtr CancelIndexBuildResult = nullptr;
+
     explicit TTxCancelAck(TSelf *self, TEvSchemeShard::TEvCancelTxResult::TPtr& ev)
-        : TXxport::TTxBase(self) 
-        , CancelTxResult(ev) 
-    { 
-    } 
- 
-    explicit TTxCancelAck(TSelf *self, TEvIndexBuilder::TEvCancelResponse::TPtr& ev) 
-        : TXxport::TTxBase(self) 
-        , CancelIndexBuildResult(ev) 
-    { 
-    } 
- 
-    TTxType GetTxType() const override { 
-        return TXTYPE_CANCEL_IMPORT_ACK; 
-    } 
- 
-    bool DoExecute(TTransactionContext& txc, const TActorContext&) override { 
-        TTxId txId; 
-        ui64 id; 
-        if (CancelTxResult) { 
-            txId = TTxId(CancelTxResult->Get()->Record.GetTargetTxId()); 
-            id = CancelTxResult->Cookie; 
-        } else if (CancelIndexBuildResult) { 
-            txId = TTxId(CancelIndexBuildResult->Get()->Record.GetTxId()); 
-            id = CancelIndexBuildResult->Cookie; 
-        } else { 
-            Y_FAIL("unreachable"); 
-        } 
- 
-        if (!Self->Imports.contains(id)) { 
-            return true; 
-        } 
- 
-        TImportInfo::TPtr importInfo = Self->Imports.at(id); 
-        NIceDb::TNiceDb db(txc.DB); 
- 
-        if (importInfo->State != TImportInfo::EState::Cancellation) { 
-            return true; 
-        } 
- 
-        bool found = false; 
-        ui32 itemIdx; 
-        ui32 cancelledItems = 0; 
-        ui32 cancellableItems = 0; 
- 
-        for (ui32 i : xrange(importInfo->Items.size())) { 
-            auto& item = importInfo->Items.at(i); 
- 
-            if (item.State != TImportInfo::EState::Transferring && item.State != TImportInfo::EState::BuildIndexes) { 
-                continue; 
-            } 
- 
-            if (item.WaitTxId != InvalidTxId) { 
-                ++cancellableItems; 
-            } 
- 
-            if (item.WaitTxId == txId) { 
-                found = true; 
- 
-                item.State = TImportInfo::EState::Cancelled; 
-                itemIdx = i; 
-            } 
- 
-            if (item.State == TImportInfo::EState::Cancelled) { 
-                ++cancelledItems; 
-            } 
-        } 
- 
-        if (!found) { 
-            return true; 
-        } 
- 
-        Self->TxIdToImport.erase(txId); 
-        Self->PersistImportItemState(db, importInfo, itemIdx); 
- 
-        if (cancelledItems != cancellableItems) { 
-            return true; 
-        } 
- 
-        importInfo->State = TImportInfo::EState::Cancelled; 
-        Self->PersistImportState(db, importInfo); 
- 
-        SendNotificationsIfFinished(importInfo); 
-        return true; 
-    } 
- 
-    void DoComplete(const TActorContext&) override { 
-    } 
- 
-}; // TTxCancelAck 
- 
+        : TXxport::TTxBase(self)
+        , CancelTxResult(ev)
+    {
+    }
+
+    explicit TTxCancelAck(TSelf *self, TEvIndexBuilder::TEvCancelResponse::TPtr& ev)
+        : TXxport::TTxBase(self)
+        , CancelIndexBuildResult(ev)
+    {
+    }
+
+    TTxType GetTxType() const override {
+        return TXTYPE_CANCEL_IMPORT_ACK;
+    }
+
+    bool DoExecute(TTransactionContext& txc, const TActorContext&) override {
+        TTxId txId;
+        ui64 id;
+        if (CancelTxResult) {
+            txId = TTxId(CancelTxResult->Get()->Record.GetTargetTxId());
+            id = CancelTxResult->Cookie;
+        } else if (CancelIndexBuildResult) {
+            txId = TTxId(CancelIndexBuildResult->Get()->Record.GetTxId());
+            id = CancelIndexBuildResult->Cookie;
+        } else {
+            Y_FAIL("unreachable");
+        }
+
+        if (!Self->Imports.contains(id)) {
+            return true;
+        }
+
+        TImportInfo::TPtr importInfo = Self->Imports.at(id);
+        NIceDb::TNiceDb db(txc.DB);
+
+        if (importInfo->State != TImportInfo::EState::Cancellation) {
+            return true;
+        }
+
+        bool found = false;
+        ui32 itemIdx;
+        ui32 cancelledItems = 0;
+        ui32 cancellableItems = 0;
+
+        for (ui32 i : xrange(importInfo->Items.size())) {
+            auto& item = importInfo->Items.at(i);
+
+            if (item.State != TImportInfo::EState::Transferring && item.State != TImportInfo::EState::BuildIndexes) {
+                continue;
+            }
+
+            if (item.WaitTxId != InvalidTxId) {
+                ++cancellableItems;
+            }
+
+            if (item.WaitTxId == txId) {
+                found = true;
+
+                item.State = TImportInfo::EState::Cancelled;
+                itemIdx = i;
+            }
+
+            if (item.State == TImportInfo::EState::Cancelled) {
+                ++cancelledItems;
+            }
+        }
+
+        if (!found) {
+            return true;
+        }
+
+        Self->TxIdToImport.erase(txId);
+        Self->PersistImportItemState(db, importInfo, itemIdx);
+
+        if (cancelledItems != cancellableItems) {
+            return true;
+        }
+
+        importInfo->State = TImportInfo::EState::Cancelled;
+        Self->PersistImportState(db, importInfo);
+
+        SendNotificationsIfFinished(importInfo);
+        return true;
+    }
+
+    void DoComplete(const TActorContext&) override {
+    }
+
+}; // TTxCancelAck
+
 ITransaction* TSchemeShard::CreateTxCancelImport(TEvImport::TEvCancelImportRequest::TPtr& ev) {
-    return new TImport::TTxCancel(this, ev); 
-} 
- 
+    return new TImport::TTxCancel(this, ev);
+}
+
 ITransaction* TSchemeShard::CreateTxCancelImportAck(TEvSchemeShard::TEvCancelTxResult::TPtr& ev) {
-    return new TImport::TTxCancelAck(this, ev); 
-} 
- 
+    return new TImport::TTxCancelAck(this, ev);
+}
+
 ITransaction* TSchemeShard::CreateTxCancelImportAck(TEvIndexBuilder::TEvCancelResponse::TPtr& ev) {
-    return new TImport::TTxCancelAck(this, ev); 
-} 
- 
+    return new TImport::TTxCancelAck(this, ev);
+}
+
 } // NSchemeShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard_import__create.cpp b/ydb/core/tx/schemeshard/schemeshard_import__create.cpp
index 7a88d22e9e..947870d51b 100644
--- a/ydb/core/tx/schemeshard/schemeshard_import__create.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard_import__create.cpp
@@ -1,1005 +1,1005 @@
-#include "schemeshard_xxport__tx_base.h" 
-#include "schemeshard_import_flow_proposals.h" 
-#include "schemeshard_import_scheme_getter.h" 
-#include "schemeshard_import_helpers.h" 
-#include "schemeshard_import.h" 
-#include "schemeshard_impl.h" 
- 
+#include "schemeshard_xxport__tx_base.h"
+#include "schemeshard_import_flow_proposals.h"
+#include "schemeshard_import_scheme_getter.h"
+#include "schemeshard_import_helpers.h"
+#include "schemeshard_import.h"
+#include "schemeshard_impl.h"
+
 #include <ydb/public/api/protos/ydb_import.pb.h>
 #include <ydb/public/api/protos/ydb_issue_message.pb.h>
 #include <ydb/public/api/protos/ydb_status_codes.pb.h>
- 
-#include <util/generic/algorithm.h> 
-#include <util/generic/ptr.h> 
-#include <util/generic/xrange.h> 
-#include <util/string/builder.h> 
- 
-namespace NKikimr { 
+
+#include <util/generic/algorithm.h>
+#include <util/generic/ptr.h>
+#include <util/generic/xrange.h>
+#include <util/string/builder.h>
+
+namespace NKikimr {
 namespace NSchemeShard {
- 
-using namespace NTabletFlatExecutor; 
- 
+
+using namespace NTabletFlatExecutor;
+
 struct TSchemeShard::TImport::TTxCreate: public TSchemeShard::TXxport::TTxBase {
-    TEvImport::TEvCreateImportRequest::TPtr Request; 
-    bool Progress; 
- 
-    explicit TTxCreate(TSelf* self, TEvImport::TEvCreateImportRequest::TPtr& ev) 
-        : TXxport::TTxBase(self) 
-        , Request(ev) 
-        , Progress(false) 
-    { 
-    } 
- 
-    TTxType GetTxType() const override { 
-        return TXTYPE_CREATE_IMPORT; 
-    } 
- 
-    bool DoExecute(TTransactionContext& txc, const TActorContext&) override { 
-        const auto& request = Request->Get()->Record; 
- 
-        LOG_D("TImport::TTxCreate: DoExecute"); 
-        LOG_T("Message:\n" << request.ShortDebugString()); 
- 
-        auto response = MakeHolder<TEvImport::TEvCreateImportResponse>(request.GetTxId()); 
- 
-        const ui64 id = request.GetTxId(); 
-        if (Self->Imports.contains(id)) { 
-            return Reply( 
-                std::move(response), 
-                Ydb::StatusIds::ALREADY_EXISTS, 
-                TStringBuilder() << "Import with id '" << id << "' already exists" 
-            ); 
-        } 
- 
-        const TString& uid = GetUid(request.GetRequest().GetOperationParams().labels()); 
-        if (uid && Self->ImportsByUid.contains(uid)) { 
-            return Reply( 
-                std::move(response), 
-                Ydb::StatusIds::ALREADY_EXISTS, 
-                TStringBuilder() << "Import with uid '" << uid << "' already exists" 
-            ); 
-        } 
- 
-        const TPath domainPath = TPath::Resolve(request.GetDatabaseName(), Self); 
-        { 
-            TPath::TChecker checks = domainPath.Check(); 
-            checks 
-                .IsResolved() 
-                .NotDeleted() 
-                .NotUnderDeleting() 
-                .IsCommonSensePath() 
-                .IsLikeDirectory(); 
- 
-            if (!checks) { 
-                TString explain; 
-                checks.GetStatus(&explain); 
- 
-                return Reply( 
-                    std::move(response), 
-                    Ydb::StatusIds::BAD_REQUEST, 
-                    TStringBuilder() << "Failed database check: " << explain 
-                ); 
-            } 
-        } 
- 
-        TImportInfo::TPtr importInfo = nullptr; 
- 
-        switch (request.GetRequest().GetSettingsCase()) { 
-        case NKikimrImport::TCreateImportRequest::kImportFromS3Settings: 
-            { 
-                auto settings = request.GetRequest().GetImportFromS3Settings(); 
-                if (!settings.scheme()) { 
-                    settings.set_scheme(Ydb::Import::ImportFromS3Settings::HTTPS); 
-                } 
- 
-                importInfo = new TImportInfo(id, uid, TImportInfo::EKind::S3, settings, domainPath.Base()->PathId); 
- 
-                if (request.HasUserSID()) { 
-                    importInfo->UserSID = request.GetUserSID(); 
-                } 
- 
-                TString explain; 
-                if (!FillItems(importInfo, settings, explain)) { 
-                    return Reply( 
-                        std::move(response), 
-                        Ydb::StatusIds::BAD_REQUEST, 
-                        TStringBuilder() << "Failed item check: " << explain 
-                    ); 
-                } 
-            } 
-            break; 
- 
-        default: 
-            Y_VERIFY_DEBUG(false, "Unknown import kind"); 
-        } 
- 
-        Y_VERIFY(importInfo != nullptr); 
- 
-        NIceDb::TNiceDb db(txc.DB); 
-        Self->PersistCreateImport(db, importInfo); 
- 
-        importInfo->State = TImportInfo::EState::Waiting; 
-        Self->PersistImportState(db, importInfo); 
- 
-        Self->Imports[id] = importInfo; 
-        if (uid) { 
-            Self->ImportsByUid[uid] = importInfo; 
-        } 
- 
-        Self->FromXxportInfo(*response->Record.MutableResponse()->MutableEntry(), importInfo); 
- 
-        Progress = true; 
-        return Reply(std::move(response)); 
-    } 
- 
-    void DoComplete(const TActorContext& ctx) override { 
-        LOG_D("TImport::TTxCreate: DoComplete"); 
- 
-        if (Progress) { 
-            const ui64 id = Request->Get()->Record.GetTxId(); 
-            Self->Execute(Self->CreateTxProgressImport(id), ctx); 
-        } 
-    } 
- 
-private: 
-    static TString GetUid(const google::protobuf::Map<TString, TString>& labels) { 
-        auto it = labels.find("uid"); 
-        if (it == labels.end()) { 
-            return TString(); 
-        } 
- 
-        return it->second; 
-    } 
- 
-    bool Reply( 
-        THolder<TEvImport::TEvCreateImportResponse> response, 
-        const Ydb::StatusIds::StatusCode status = Ydb::StatusIds::SUCCESS, 
-        const TString& errorMessage = TString() 
-    ) { 
-        LOG_D("TImport::TTxCreate: Reply" 
-            << ": status# " << status 
-            << ", error# " << errorMessage); 
-        LOG_T("Message:\n" << response->Record.ShortDebugString()); 
- 
-        auto& entry = *response->Record.MutableResponse()->MutableEntry(); 
-        entry.SetStatus(status); 
-        if (errorMessage) { 
-            AddIssue(entry, errorMessage); 
-        } 
- 
-        Send(Request->Sender, std::move(response), 0, Request->Cookie); 
- 
-        return true; 
-    } 
- 
-    template <typename TSettings> 
-    bool FillItems(TImportInfo::TPtr importInfo, const TSettings& settings, TString& explain) { 
-        importInfo->Items.reserve(settings.items().size()); 
-        for (ui32 itemIdx : xrange(settings.items().size())) { 
-            const auto& item = settings.items(itemIdx); 
-            const TPath path = TPath::Resolve(item.destination_path(), Self); 
-            { 
-                TPath::TChecker checks = path.Check(); 
-                checks 
-                    .IsAtLocalSchemeShard() 
-                    .IsValidLeafName() 
-                    .DepthLimit() 
-                    .PathsLimit(); 
- 
-                if (path.IsResolved()) { 
-                    checks 
-                        .IsResolved() 
-                        .IsDeleted(); 
-                } else { 
-                    checks 
-                        .NotEmpty() 
-                        .NotResolved(); 
-                } 
- 
-                if (path.Parent().IsResolved()) { 
-                    checks.DirChildrenLimit(); 
-                } 
- 
-                if (!checks) { 
-                    checks.GetStatus(&explain); 
-                    return false; 
-                } 
-            } 
- 
-            importInfo->Items.emplace_back(item.destination_path()); 
-        } 
- 
-        return true; 
-    } 
- 
-}; // TTxCreate 
- 
+    TEvImport::TEvCreateImportRequest::TPtr Request;
+    bool Progress;
+
+    explicit TTxCreate(TSelf* self, TEvImport::TEvCreateImportRequest::TPtr& ev)
+        : TXxport::TTxBase(self)
+        , Request(ev)
+        , Progress(false)
+    {
+    }
+
+    TTxType GetTxType() const override {
+        return TXTYPE_CREATE_IMPORT;
+    }
+
+    bool DoExecute(TTransactionContext& txc, const TActorContext&) override {
+        const auto& request = Request->Get()->Record;
+
+        LOG_D("TImport::TTxCreate: DoExecute");
+        LOG_T("Message:\n" << request.ShortDebugString());
+
+        auto response = MakeHolder<TEvImport::TEvCreateImportResponse>(request.GetTxId());
+
+        const ui64 id = request.GetTxId();
+        if (Self->Imports.contains(id)) {
+            return Reply(
+                std::move(response),
+                Ydb::StatusIds::ALREADY_EXISTS,
+                TStringBuilder() << "Import with id '" << id << "' already exists"
+            );
+        }
+
+        const TString& uid = GetUid(request.GetRequest().GetOperationParams().labels());
+        if (uid && Self->ImportsByUid.contains(uid)) {
+            return Reply(
+                std::move(response),
+                Ydb::StatusIds::ALREADY_EXISTS,
+                TStringBuilder() << "Import with uid '" << uid << "' already exists"
+            );
+        }
+
+        const TPath domainPath = TPath::Resolve(request.GetDatabaseName(), Self);
+        {
+            TPath::TChecker checks = domainPath.Check();
+            checks
+                .IsResolved()
+                .NotDeleted()
+                .NotUnderDeleting()
+                .IsCommonSensePath()
+                .IsLikeDirectory();
+
+            if (!checks) {
+                TString explain;
+                checks.GetStatus(&explain);
+
+                return Reply(
+                    std::move(response),
+                    Ydb::StatusIds::BAD_REQUEST,
+                    TStringBuilder() << "Failed database check: " << explain
+                );
+            }
+        }
+
+        TImportInfo::TPtr importInfo = nullptr;
+
+        switch (request.GetRequest().GetSettingsCase()) {
+        case NKikimrImport::TCreateImportRequest::kImportFromS3Settings:
+            {
+                auto settings = request.GetRequest().GetImportFromS3Settings();
+                if (!settings.scheme()) {
+                    settings.set_scheme(Ydb::Import::ImportFromS3Settings::HTTPS);
+                }
+
+                importInfo = new TImportInfo(id, uid, TImportInfo::EKind::S3, settings, domainPath.Base()->PathId);
+
+                if (request.HasUserSID()) {
+                    importInfo->UserSID = request.GetUserSID();
+                }
+
+                TString explain;
+                if (!FillItems(importInfo, settings, explain)) {
+                    return Reply(
+                        std::move(response),
+                        Ydb::StatusIds::BAD_REQUEST,
+                        TStringBuilder() << "Failed item check: " << explain
+                    );
+                }
+            }
+            break;
+
+        default:
+            Y_VERIFY_DEBUG(false, "Unknown import kind");
+        }
+
+        Y_VERIFY(importInfo != nullptr);
+
+        NIceDb::TNiceDb db(txc.DB);
+        Self->PersistCreateImport(db, importInfo);
+
+        importInfo->State = TImportInfo::EState::Waiting;
+        Self->PersistImportState(db, importInfo);
+
+        Self->Imports[id] = importInfo;
+        if (uid) {
+            Self->ImportsByUid[uid] = importInfo;
+        }
+
+        Self->FromXxportInfo(*response->Record.MutableResponse()->MutableEntry(), importInfo);
+
+        Progress = true;
+        return Reply(std::move(response));
+    }
+
+    void DoComplete(const TActorContext& ctx) override {
+        LOG_D("TImport::TTxCreate: DoComplete");
+
+        if (Progress) {
+            const ui64 id = Request->Get()->Record.GetTxId();
+            Self->Execute(Self->CreateTxProgressImport(id), ctx);
+        }
+    }
+
+private:
+    static TString GetUid(const google::protobuf::Map<TString, TString>& labels) {
+        auto it = labels.find("uid");
+        if (it == labels.end()) {
+            return TString();
+        }
+
+        return it->second;
+    }
+
+    bool Reply(
+        THolder<TEvImport::TEvCreateImportResponse> response,
+        const Ydb::StatusIds::StatusCode status = Ydb::StatusIds::SUCCESS,
+        const TString& errorMessage = TString()
+    ) {
+        LOG_D("TImport::TTxCreate: Reply"
+            << ": status# " << status
+            << ", error# " << errorMessage);
+        LOG_T("Message:\n" << response->Record.ShortDebugString());
+
+        auto& entry = *response->Record.MutableResponse()->MutableEntry();
+        entry.SetStatus(status);
+        if (errorMessage) {
+            AddIssue(entry, errorMessage);
+        }
+
+        Send(Request->Sender, std::move(response), 0, Request->Cookie);
+
+        return true;
+    }
+
+    template <typename TSettings>
+    bool FillItems(TImportInfo::TPtr importInfo, const TSettings& settings, TString& explain) {
+        importInfo->Items.reserve(settings.items().size());
+        for (ui32 itemIdx : xrange(settings.items().size())) {
+            const auto& item = settings.items(itemIdx);
+            const TPath path = TPath::Resolve(item.destination_path(), Self);
+            {
+                TPath::TChecker checks = path.Check();
+                checks
+                    .IsAtLocalSchemeShard()
+                    .IsValidLeafName()
+                    .DepthLimit()
+                    .PathsLimit();
+
+                if (path.IsResolved()) {
+                    checks
+                        .IsResolved()
+                        .IsDeleted();
+                } else {
+                    checks
+                        .NotEmpty()
+                        .NotResolved();
+                }
+
+                if (path.Parent().IsResolved()) {
+                    checks.DirChildrenLimit();
+                }
+
+                if (!checks) {
+                    checks.GetStatus(&explain);
+                    return false;
+                }
+            }
+
+            importInfo->Items.emplace_back(item.destination_path());
+        }
+
+        return true;
+    }
+
+}; // TTxCreate
+
 struct TSchemeShard::TImport::TTxProgress: public TSchemeShard::TXxport::TTxBase {
-    using EState = TImportInfo::EState; 
-    using ESubState = TImportInfo::TItem::ESubState; 
- 
-    static constexpr ui32 IssuesSizeLimit = 2 * 1024; 
- 
-    ui64 Id; 
-    TEvPrivate::TEvImportSchemeReady::TPtr SchemeResult = nullptr; 
-    TEvTxAllocatorClient::TEvAllocateResult::TPtr AllocateResult = nullptr; 
+    using EState = TImportInfo::EState;
+    using ESubState = TImportInfo::TItem::ESubState;
+
+    static constexpr ui32 IssuesSizeLimit = 2 * 1024;
+
+    ui64 Id;
+    TEvPrivate::TEvImportSchemeReady::TPtr SchemeResult = nullptr;
+    TEvTxAllocatorClient::TEvAllocateResult::TPtr AllocateResult = nullptr;
     TEvSchemeShard::TEvModifySchemeTransactionResult::TPtr ModifyResult = nullptr;
-    TEvIndexBuilder::TEvCreateResponse::TPtr CreateIndexResult = nullptr; 
+    TEvIndexBuilder::TEvCreateResponse::TPtr CreateIndexResult = nullptr;
     TEvSchemeShard::TEvNotifyTxCompletionResult::TPtr NotifyResult = nullptr;
- 
-    explicit TTxProgress(TSelf* self, ui64 id) 
-        : TXxport::TTxBase(self) 
-        , Id(id) 
-    { 
-    } 
- 
-    explicit TTxProgress(TSelf* self, TEvPrivate::TEvImportSchemeReady::TPtr& ev) 
-        : TXxport::TTxBase(self) 
-        , SchemeResult(ev) 
-    { 
-    } 
- 
-    explicit TTxProgress(TSelf* self, TEvTxAllocatorClient::TEvAllocateResult::TPtr& ev) 
-        : TXxport::TTxBase(self) 
-        , AllocateResult(ev) 
-    { 
-    } 
- 
+
+    explicit TTxProgress(TSelf* self, ui64 id)
+        : TXxport::TTxBase(self)
+        , Id(id)
+    {
+    }
+
+    explicit TTxProgress(TSelf* self, TEvPrivate::TEvImportSchemeReady::TPtr& ev)
+        : TXxport::TTxBase(self)
+        , SchemeResult(ev)
+    {
+    }
+
+    explicit TTxProgress(TSelf* self, TEvTxAllocatorClient::TEvAllocateResult::TPtr& ev)
+        : TXxport::TTxBase(self)
+        , AllocateResult(ev)
+    {
+    }
+
     explicit TTxProgress(TSelf* self, TEvSchemeShard::TEvModifySchemeTransactionResult::TPtr& ev)
-        : TXxport::TTxBase(self) 
-        , ModifyResult(ev) 
-    { 
-    } 
- 
-    explicit TTxProgress(TSelf* self, TEvIndexBuilder::TEvCreateResponse::TPtr& ev) 
-        : TXxport::TTxBase(self) 
-        , CreateIndexResult(ev) 
-    { 
-    } 
- 
+        : TXxport::TTxBase(self)
+        , ModifyResult(ev)
+    {
+    }
+
+    explicit TTxProgress(TSelf* self, TEvIndexBuilder::TEvCreateResponse::TPtr& ev)
+        : TXxport::TTxBase(self)
+        , CreateIndexResult(ev)
+    {
+    }
+
     explicit TTxProgress(TSelf* self, TEvSchemeShard::TEvNotifyTxCompletionResult::TPtr& ev)
-        : TXxport::TTxBase(self) 
-        , NotifyResult(ev) 
-    { 
-    } 
- 
-    TTxType GetTxType() const override { 
-        return TXTYPE_IMPORT_PROGRESS; 
-    } 
- 
-    bool DoExecute(TTransactionContext& txc, const TActorContext& ctx) override { 
-        LOG_D("TImport::TTxProgress: DoExecute"); 
- 
-        if (SchemeResult) { 
-            OnSchemeResult(txc, ctx); 
-        } else if (AllocateResult) { 
-            OnAllocateResult(txc, ctx); 
-        } else if (ModifyResult) { 
-            OnModifyResult(txc, ctx); 
-        } else if (CreateIndexResult) { 
-            OnCreateIndexResult(txc, ctx); 
-        } else if (NotifyResult) { 
-            OnNotifyResult(txc, ctx); 
-        } else { 
-            Resume(txc, ctx); 
-        } 
- 
-        return true; 
-    } 
- 
-    void DoComplete(const TActorContext&) override { 
-        LOG_D("TImport::TTxProgress: DoComplete"); 
-    } 
- 
-private: 
-    void GetScheme(TImportInfo::TPtr importInfo, ui32 itemIdx, const TActorContext& ctx) { 
-        Y_VERIFY(itemIdx < importInfo->Items.size()); 
-        const auto& item = importInfo->Items.at(itemIdx); 
- 
-        LOG_I("TImport::TTxProgress: Get scheme" 
-            << ": info# " << importInfo->ToString() 
-            << ", item# " << item.ToString(itemIdx)); 
- 
+        : TXxport::TTxBase(self)
+        , NotifyResult(ev)
+    {
+    }
+
+    TTxType GetTxType() const override {
+        return TXTYPE_IMPORT_PROGRESS;
+    }
+
+    bool DoExecute(TTransactionContext& txc, const TActorContext& ctx) override {
+        LOG_D("TImport::TTxProgress: DoExecute");
+
+        if (SchemeResult) {
+            OnSchemeResult(txc, ctx);
+        } else if (AllocateResult) {
+            OnAllocateResult(txc, ctx);
+        } else if (ModifyResult) {
+            OnModifyResult(txc, ctx);
+        } else if (CreateIndexResult) {
+            OnCreateIndexResult(txc, ctx);
+        } else if (NotifyResult) {
+            OnNotifyResult(txc, ctx);
+        } else {
+            Resume(txc, ctx);
+        }
+
+        return true;
+    }
+
+    void DoComplete(const TActorContext&) override {
+        LOG_D("TImport::TTxProgress: DoComplete");
+    }
+
+private:
+    void GetScheme(TImportInfo::TPtr importInfo, ui32 itemIdx, const TActorContext& ctx) {
+        Y_VERIFY(itemIdx < importInfo->Items.size());
+        const auto& item = importInfo->Items.at(itemIdx);
+
+        LOG_I("TImport::TTxProgress: Get scheme"
+            << ": info# " << importInfo->ToString()
+            << ", item# " << item.ToString(itemIdx));
+
         ctx.RegisterWithSameMailbox(CreateSchemeGetter(Self->SelfId(), importInfo, itemIdx));
-    } 
- 
-    void CreateTable(TImportInfo::TPtr importInfo, ui32 itemIdx, TTxId txId) { 
-        Y_VERIFY(itemIdx < importInfo->Items.size()); 
-        auto& item = importInfo->Items.at(itemIdx); 
- 
-        item.SubState = ESubState::Proposed; 
- 
-        LOG_I("TImport::TTxProgress: CreateTable propose" 
-            << ": info# " << importInfo->ToString() 
-            << ", item# " << item.ToString(itemIdx) 
-            << ", txId# " << txId); 
- 
-        Y_VERIFY(item.WaitTxId == InvalidTxId); 
- 
-        auto propose = CreateTablePropose(Self, txId, importInfo, itemIdx); 
-        Y_VERIFY(propose); 
- 
-        Send(Self->SelfId(), std::move(propose)); 
-    } 
- 
-    void TransferData(TImportInfo::TPtr importInfo, ui32 itemIdx, TTxId txId) { 
-        Y_VERIFY(itemIdx < importInfo->Items.size()); 
-        auto& item = importInfo->Items.at(itemIdx); 
- 
-        item.SubState = ESubState::Proposed; 
- 
-        LOG_I("TImport::TTxProgress: Restore propose" 
-            << ": info# " << importInfo->ToString() 
-            << ", item# " << item.ToString(itemIdx) 
-            << ", txId# " << txId); 
- 
-        Y_VERIFY(item.WaitTxId == InvalidTxId); 
-        Send(Self->SelfId(), RestorePropose(Self, txId, importInfo, itemIdx)); 
-    } 
- 
-    bool CancelTransferring(TImportInfo::TPtr importInfo, ui32 itemIdx) { 
-        Y_VERIFY(itemIdx < importInfo->Items.size()); 
-        const auto& item = importInfo->Items.at(itemIdx); 
- 
-        if (item.WaitTxId == InvalidTxId) { 
-            if (item.SubState == ESubState::Proposed) { 
-                importInfo->State = EState::Cancellation; 
-            } 
- 
-            return false; 
-        } 
- 
-        importInfo->State = EState::Cancellation; 
- 
-        LOG_I("TImport::TTxProgress: cancel restore's tx" 
-            << ": info# " << importInfo->ToString() 
-            << ", item# " << item.ToString(itemIdx)); 
- 
-        Send(Self->SelfId(), CancelRestorePropose(importInfo, item.WaitTxId), 0, importInfo->Id); 
-        return true; 
-    } 
- 
-    void BuildIndex(TImportInfo::TPtr importInfo, ui32 itemIdx, TTxId txId) { 
-        Y_VERIFY(itemIdx < importInfo->Items.size()); 
-        auto& item = importInfo->Items.at(itemIdx); 
- 
-        item.SubState = ESubState::Proposed; 
- 
-        LOG_I("TImport::TTxProgress: build index" 
-            << ": info# " << importInfo->ToString() 
-            << ", item# " << item.ToString(itemIdx) 
-            << ", txId# " << txId); 
- 
-        Y_VERIFY(item.WaitTxId == InvalidTxId); 
-        Send(Self->SelfId(), BuildIndexPropose(Self, txId, importInfo, itemIdx, MakeIndexBuildUid(importInfo, itemIdx))); 
-    } 
- 
-    bool CancelIndexBuilding(TImportInfo::TPtr importInfo, ui32 itemIdx) { 
-        Y_VERIFY(itemIdx < importInfo->Items.size()); 
-        const auto& item = importInfo->Items.at(itemIdx); 
- 
-        if (item.WaitTxId == InvalidTxId) { 
-            if (item.SubState == ESubState::Proposed) { 
-                importInfo->State = EState::Cancellation; 
-            } 
- 
-            return false; 
-        } 
- 
-        importInfo->State = EState::Cancellation; 
- 
-        LOG_I("TImport::TTxProgress: cancel index building" 
-            << ": info# " << importInfo->ToString() 
-            << ", item# " << item.ToString(itemIdx)); 
- 
-        Send(Self->SelfId(), CancelIndexBuildPropose(Self, importInfo, item.WaitTxId), 0, importInfo->Id); 
-        return true; 
-    } 
- 
-    void AllocateTxId(TImportInfo::TPtr importInfo, ui32 itemIdx) { 
-        Y_VERIFY(itemIdx < importInfo->Items.size()); 
-        auto& item = importInfo->Items.at(itemIdx); 
- 
-        item.SubState = ESubState::AllocateTxId; 
- 
-        LOG_I("TImport::TTxProgress: Allocate txId" 
-            << ": info# " << importInfo->ToString() 
-            << ", item# " << item.ToString(itemIdx)); 
- 
-        Y_VERIFY(item.WaitTxId == InvalidTxId); 
-        Send(Self->TxAllocatorClient, new TEvTxAllocatorClient::TEvAllocate(), 0, importInfo->Id); 
-    } 
- 
-    void SubscribeTx(TImportInfo::TPtr importInfo, ui32 itemIdx) { 
-        Y_VERIFY(itemIdx < importInfo->Items.size()); 
-        auto& item = importInfo->Items.at(itemIdx); 
- 
-        item.SubState = ESubState::Subscribed; 
- 
-        LOG_I("TImport::TTxProgress: Wait for completion" 
-            << ": info# " << importInfo->ToString() 
-            << ", item# " << item.ToString(itemIdx)); 
- 
-        Y_VERIFY(item.WaitTxId != InvalidTxId); 
+    }
+
+    void CreateTable(TImportInfo::TPtr importInfo, ui32 itemIdx, TTxId txId) {
+        Y_VERIFY(itemIdx < importInfo->Items.size());
+        auto& item = importInfo->Items.at(itemIdx);
+
+        item.SubState = ESubState::Proposed;
+
+        LOG_I("TImport::TTxProgress: CreateTable propose"
+            << ": info# " << importInfo->ToString()
+            << ", item# " << item.ToString(itemIdx)
+            << ", txId# " << txId);
+
+        Y_VERIFY(item.WaitTxId == InvalidTxId);
+
+        auto propose = CreateTablePropose(Self, txId, importInfo, itemIdx);
+        Y_VERIFY(propose);
+
+        Send(Self->SelfId(), std::move(propose));
+    }
+
+    void TransferData(TImportInfo::TPtr importInfo, ui32 itemIdx, TTxId txId) {
+        Y_VERIFY(itemIdx < importInfo->Items.size());
+        auto& item = importInfo->Items.at(itemIdx);
+
+        item.SubState = ESubState::Proposed;
+
+        LOG_I("TImport::TTxProgress: Restore propose"
+            << ": info# " << importInfo->ToString()
+            << ", item# " << item.ToString(itemIdx)
+            << ", txId# " << txId);
+
+        Y_VERIFY(item.WaitTxId == InvalidTxId);
+        Send(Self->SelfId(), RestorePropose(Self, txId, importInfo, itemIdx));
+    }
+
+    bool CancelTransferring(TImportInfo::TPtr importInfo, ui32 itemIdx) {
+        Y_VERIFY(itemIdx < importInfo->Items.size());
+        const auto& item = importInfo->Items.at(itemIdx);
+
+        if (item.WaitTxId == InvalidTxId) {
+            if (item.SubState == ESubState::Proposed) {
+                importInfo->State = EState::Cancellation;
+            }
+
+            return false;
+        }
+
+        importInfo->State = EState::Cancellation;
+
+        LOG_I("TImport::TTxProgress: cancel restore's tx"
+            << ": info# " << importInfo->ToString()
+            << ", item# " << item.ToString(itemIdx));
+
+        Send(Self->SelfId(), CancelRestorePropose(importInfo, item.WaitTxId), 0, importInfo->Id);
+        return true;
+    }
+
+    void BuildIndex(TImportInfo::TPtr importInfo, ui32 itemIdx, TTxId txId) {
+        Y_VERIFY(itemIdx < importInfo->Items.size());
+        auto& item = importInfo->Items.at(itemIdx);
+
+        item.SubState = ESubState::Proposed;
+
+        LOG_I("TImport::TTxProgress: build index"
+            << ": info# " << importInfo->ToString()
+            << ", item# " << item.ToString(itemIdx)
+            << ", txId# " << txId);
+
+        Y_VERIFY(item.WaitTxId == InvalidTxId);
+        Send(Self->SelfId(), BuildIndexPropose(Self, txId, importInfo, itemIdx, MakeIndexBuildUid(importInfo, itemIdx)));
+    }
+
+    bool CancelIndexBuilding(TImportInfo::TPtr importInfo, ui32 itemIdx) {
+        Y_VERIFY(itemIdx < importInfo->Items.size());
+        const auto& item = importInfo->Items.at(itemIdx);
+
+        if (item.WaitTxId == InvalidTxId) {
+            if (item.SubState == ESubState::Proposed) {
+                importInfo->State = EState::Cancellation;
+            }
+
+            return false;
+        }
+
+        importInfo->State = EState::Cancellation;
+
+        LOG_I("TImport::TTxProgress: cancel index building"
+            << ": info# " << importInfo->ToString()
+            << ", item# " << item.ToString(itemIdx));
+
+        Send(Self->SelfId(), CancelIndexBuildPropose(Self, importInfo, item.WaitTxId), 0, importInfo->Id);
+        return true;
+    }
+
+    void AllocateTxId(TImportInfo::TPtr importInfo, ui32 itemIdx) {
+        Y_VERIFY(itemIdx < importInfo->Items.size());
+        auto& item = importInfo->Items.at(itemIdx);
+
+        item.SubState = ESubState::AllocateTxId;
+
+        LOG_I("TImport::TTxProgress: Allocate txId"
+            << ": info# " << importInfo->ToString()
+            << ", item# " << item.ToString(itemIdx));
+
+        Y_VERIFY(item.WaitTxId == InvalidTxId);
+        Send(Self->TxAllocatorClient, new TEvTxAllocatorClient::TEvAllocate(), 0, importInfo->Id);
+    }
+
+    void SubscribeTx(TImportInfo::TPtr importInfo, ui32 itemIdx) {
+        Y_VERIFY(itemIdx < importInfo->Items.size());
+        auto& item = importInfo->Items.at(itemIdx);
+
+        item.SubState = ESubState::Subscribed;
+
+        LOG_I("TImport::TTxProgress: Wait for completion"
+            << ": info# " << importInfo->ToString()
+            << ", item# " << item.ToString(itemIdx));
+
+        Y_VERIFY(item.WaitTxId != InvalidTxId);
         Send(Self->SelfId(), new TEvSchemeShard::TEvNotifyTxCompletion(ui64(item.WaitTxId)));
-    } 
- 
-    TTxId GetActiveRestoreTxId(TImportInfo::TPtr importInfo, ui32 itemIdx) { 
-        Y_VERIFY(itemIdx < importInfo->Items.size()); 
-        const auto& item = importInfo->Items.at(itemIdx); 
- 
-        Y_VERIFY(item.State == EState::Transferring); 
-        Y_VERIFY(item.DstPathId); 
- 
-        if (!Self->PathsById.contains(item.DstPathId)) { 
-            return InvalidTxId; 
-        } 
- 
-        auto path = Self->PathsById.at(item.DstPathId); 
+    }
+
+    TTxId GetActiveRestoreTxId(TImportInfo::TPtr importInfo, ui32 itemIdx) {
+        Y_VERIFY(itemIdx < importInfo->Items.size());
+        const auto& item = importInfo->Items.at(itemIdx);
+
+        Y_VERIFY(item.State == EState::Transferring);
+        Y_VERIFY(item.DstPathId);
+
+        if (!Self->PathsById.contains(item.DstPathId)) {
+            return InvalidTxId;
+        }
+
+        auto path = Self->PathsById.at(item.DstPathId);
         if (path->PathState != NKikimrSchemeOp::EPathStateRestore) {
-            return InvalidTxId; 
-        } 
- 
-        return path->LastTxId; 
-    } 
- 
-    TTxId GetActiveBuildIndexId(TImportInfo::TPtr importInfo, ui32 itemIdx) { 
-        Y_VERIFY(itemIdx < importInfo->Items.size()); 
-        const auto& item = importInfo->Items.at(itemIdx); 
- 
-        Y_VERIFY(item.State == EState::BuildIndexes); 
- 
-        const auto uid = MakeIndexBuildUid(importInfo, itemIdx); 
-        if (!Self->IndexBuildsByUid.contains(uid)) { 
-            return InvalidTxId; 
-        } 
- 
-        return TTxId(ui64(Self->IndexBuildsByUid.at(uid)->Id)); 
-    } 
- 
-    static TString MakeIndexBuildUid(TImportInfo::TPtr importInfo, ui32 itemIdx) { 
-        Y_VERIFY(itemIdx < importInfo->Items.size()); 
-        const auto& item = importInfo->Items.at(itemIdx); 
- 
-        return TStringBuilder() << importInfo->Id << "-" << itemIdx << "-" << item.NextIndexIdx; 
-    } 
- 
-    void Cancel(TImportInfo::TPtr importInfo, ui32 itemIdx, TStringBuf marker) { 
-        Y_VERIFY(itemIdx < importInfo->Items.size()); 
-        const auto& item = importInfo->Items.at(itemIdx); 
- 
-        LOG_N("TImport::TTxProgress: " << marker << ", cancelling" 
-            << ", info# " << importInfo->ToString() 
-            << ", item# " << item.ToString(itemIdx)); 
- 
-        importInfo->State = EState::Cancelled; 
- 
-        for (ui32 i : xrange(importInfo->Items.size())) { 
-            if (i == itemIdx) { 
-                continue; 
-            } 
- 
-            switch (importInfo->Items.at(i).State) { 
-            case EState::Transferring: 
-                CancelTransferring(importInfo, i); 
-                break; 
- 
-            case EState::BuildIndexes: 
-                CancelIndexBuilding(importInfo, i); 
-                break; 
- 
-            default: 
-                break; 
-            } 
-        } 
-    } 
- 
-    TMaybe<TString> GetIssues(const TPathId& dstPathId, TTxId restoreTxId) { 
-        Y_VERIFY(Self->Tables.contains(dstPathId)); 
-        TTableInfo::TPtr table = Self->Tables.at(dstPathId); 
- 
-        Y_VERIFY(table->RestoreHistory.contains(restoreTxId)); 
-        const auto& result = table->RestoreHistory.at(restoreTxId); 
- 
-        if (result.TotalShardCount == result.SuccessShardCount) { 
-            return Nothing(); 
-        } 
- 
-        TStringBuilder output; 
-        bool first = true; 
- 
-        for (const auto& [shardId, status] : result.ShardStatuses) { 
-            if (status.Success) { 
-                continue; 
-            } 
- 
-            if (output.size() > IssuesSizeLimit) { 
-                output << "... <truncated>"; 
-                break; 
-            } 
- 
-            if (!first) { 
-                output << ", "; 
-            } 
-            first = false; 
- 
-            output << "shard: " << shardId << ", error: " << status.Error; 
-        } 
- 
-        return output; 
-    } 
- 
-    TMaybe<TString> GetIssues(TIndexBuildId indexBuildId) { 
-        Y_VERIFY(Self->IndexBuilds.contains(indexBuildId)); 
-        TIndexBuildInfo::TPtr indexInfo = Self->IndexBuilds.at(indexBuildId); 
- 
-        if (indexInfo->IsDone()) { 
-            return Nothing(); 
-        } 
- 
-        return indexInfo->Issue; 
-    } 
- 
-    TString GetIssues(const NKikimrIndexBuilder::TEvCreateResponse& proto) { 
-        TStringBuilder output; 
- 
-        for (const auto& issue : proto.GetIssues()) { 
-            output << issue.message() << Endl; 
-        } 
- 
-        return output; 
-    } 
- 
-    void Resume(TTransactionContext& txc, const TActorContext& ctx) { 
-        Y_VERIFY(Self->Imports.contains(Id)); 
-        TImportInfo::TPtr importInfo = Self->Imports.at(Id); 
- 
-        LOG_D("TImport::TTxProgress: Resume" 
-            << ": id# " << Id); 
- 
-        NIceDb::TNiceDb db(txc.DB); 
- 
-        switch (importInfo->State) { 
-        case EState::Waiting: 
-            for (ui32 itemIdx : xrange(importInfo->Items.size())) { 
-                const auto& item = importInfo->Items.at(itemIdx); 
- 
-                switch (item.State) { 
-                case EState::GetScheme: 
-                    GetScheme(importInfo, itemIdx, ctx); 
-                    break; 
- 
-                case EState::CreateTable: 
-                case EState::Transferring: 
-                case EState::BuildIndexes: 
-                    if (item.WaitTxId == InvalidTxId) { 
-                        AllocateTxId(importInfo, itemIdx); 
-                    } else { 
-                        SubscribeTx(importInfo, itemIdx); 
-                    } 
-                    break; 
- 
-                default: 
-                    break; 
-                } 
-            } 
-            break; 
- 
-        case EState::Cancellation: 
-            for (ui32 itemIdx : xrange(importInfo->Items.size())) { 
-                auto& item = importInfo->Items.at(itemIdx); 
-                TTxId txId = InvalidTxId; 
- 
-                switch (item.State) { 
-                case EState::Transferring: 
-                    if (!CancelTransferring(importInfo, itemIdx)) { 
-                        txId = GetActiveRestoreTxId(importInfo, itemIdx); 
-                    } 
-                    break; 
- 
-                case EState::BuildIndexes: 
-                    if (!CancelIndexBuilding(importInfo, itemIdx)) { 
-                        txId = GetActiveBuildIndexId(importInfo, itemIdx); 
-                    } 
-                    break; 
- 
-                default: 
-                    break; 
-                } 
- 
-                if (txId != InvalidTxId) { 
-                    item.WaitTxId = txId; 
-                    Self->PersistImportItemState(db, importInfo, itemIdx); 
- 
-                    switch (item.State) { 
-                    case EState::Transferring: 
-                        CancelTransferring(importInfo, itemIdx); 
-                        break; 
- 
-                    case EState::BuildIndexes: 
-                        CancelIndexBuilding(importInfo, itemIdx); 
-                        break; 
- 
-                    default: 
-                        break; 
-                    } 
-                } 
-            } 
-            break; 
- 
-        default: 
-            break; 
-        } 
-    } 
- 
-    void OnSchemeResult(TTransactionContext& txc, const TActorContext&) { 
-        Y_VERIFY(SchemeResult); 
- 
-        const auto& msg = *SchemeResult->Get(); 
- 
-        LOG_D("TImport::TTxProgress: OnSchemeResult" 
-            << ": id# " << msg.ImportId); 
- 
-        if (!Self->Imports.contains(msg.ImportId)) { 
-            LOG_E("TImport::TTxProgress: OnSchemeResult received unknown id" 
-                << ": id# " << msg.ImportId); 
-            return; 
-        } 
- 
-        TImportInfo::TPtr importInfo = Self->Imports.at(msg.ImportId); 
-        if (msg.ItemIdx >= importInfo->Items.size()) { 
-            LOG_E("TImport::TTxProgress: OnSchemeResult received unknown item" 
-                << ": id# " << msg.ImportId 
-                << ", item# " << msg.ItemIdx); 
-            return; 
-        } 
- 
-        auto& item = importInfo->Items.at(msg.ItemIdx); 
-        NIceDb::TNiceDb db(txc.DB); 
- 
-        TString error; 
-        if (!msg.Success || !CreateTablePropose(Self, TTxId(), importInfo, msg.ItemIdx, error)) { 
-            item.Issue = msg.Success ? error : msg.Error; 
-            Self->PersistImportItemState(db, importInfo, msg.ItemIdx); 
- 
-            if (importInfo->State != EState::Waiting) { 
-                return; 
-            } 
- 
-            Cancel(importInfo, msg.ItemIdx, "cannot get/invalid scheme"); 
-            Self->PersistImportState(db, importInfo); 
- 
-            return SendNotificationsIfFinished(importInfo); 
-        } 
- 
-        Self->PersistImportItemScheme(db, importInfo, msg.ItemIdx); 
- 
-        item.State = EState::CreateTable; 
-        Self->PersistImportItemState(db, importInfo, msg.ItemIdx); 
-        AllocateTxId(importInfo, msg.ItemIdx); 
-    } 
- 
-    void OnAllocateResult(TTransactionContext&, const TActorContext&) { 
-        Y_VERIFY(AllocateResult); 
- 
+            return InvalidTxId;
+        }
+
+        return path->LastTxId;
+    }
+
+    TTxId GetActiveBuildIndexId(TImportInfo::TPtr importInfo, ui32 itemIdx) {
+        Y_VERIFY(itemIdx < importInfo->Items.size());
+        const auto& item = importInfo->Items.at(itemIdx);
+
+        Y_VERIFY(item.State == EState::BuildIndexes);
+
+        const auto uid = MakeIndexBuildUid(importInfo, itemIdx);
+        if (!Self->IndexBuildsByUid.contains(uid)) {
+            return InvalidTxId;
+        }
+
+        return TTxId(ui64(Self->IndexBuildsByUid.at(uid)->Id));
+    }
+
+    static TString MakeIndexBuildUid(TImportInfo::TPtr importInfo, ui32 itemIdx) {
+        Y_VERIFY(itemIdx < importInfo->Items.size());
+        const auto& item = importInfo->Items.at(itemIdx);
+
+        return TStringBuilder() << importInfo->Id << "-" << itemIdx << "-" << item.NextIndexIdx;
+    }
+
+    void Cancel(TImportInfo::TPtr importInfo, ui32 itemIdx, TStringBuf marker) {
+        Y_VERIFY(itemIdx < importInfo->Items.size());
+        const auto& item = importInfo->Items.at(itemIdx);
+
+        LOG_N("TImport::TTxProgress: " << marker << ", cancelling"
+            << ", info# " << importInfo->ToString()
+            << ", item# " << item.ToString(itemIdx));
+
+        importInfo->State = EState::Cancelled;
+
+        for (ui32 i : xrange(importInfo->Items.size())) {
+            if (i == itemIdx) {
+                continue;
+            }
+
+            switch (importInfo->Items.at(i).State) {
+            case EState::Transferring:
+                CancelTransferring(importInfo, i);
+                break;
+
+            case EState::BuildIndexes:
+                CancelIndexBuilding(importInfo, i);
+                break;
+
+            default:
+                break;
+            }
+        }
+    }
+
+    TMaybe<TString> GetIssues(const TPathId& dstPathId, TTxId restoreTxId) {
+        Y_VERIFY(Self->Tables.contains(dstPathId));
+        TTableInfo::TPtr table = Self->Tables.at(dstPathId);
+
+        Y_VERIFY(table->RestoreHistory.contains(restoreTxId));
+        const auto& result = table->RestoreHistory.at(restoreTxId);
+
+        if (result.TotalShardCount == result.SuccessShardCount) {
+            return Nothing();
+        }
+
+        TStringBuilder output;
+        bool first = true;
+
+        for (const auto& [shardId, status] : result.ShardStatuses) {
+            if (status.Success) {
+                continue;
+            }
+
+            if (output.size() > IssuesSizeLimit) {
+                output << "... <truncated>";
+                break;
+            }
+
+            if (!first) {
+                output << ", ";
+            }
+            first = false;
+
+            output << "shard: " << shardId << ", error: " << status.Error;
+        }
+
+        return output;
+    }
+
+    TMaybe<TString> GetIssues(TIndexBuildId indexBuildId) {
+        Y_VERIFY(Self->IndexBuilds.contains(indexBuildId));
+        TIndexBuildInfo::TPtr indexInfo = Self->IndexBuilds.at(indexBuildId);
+
+        if (indexInfo->IsDone()) {
+            return Nothing();
+        }
+
+        return indexInfo->Issue;
+    }
+
+    TString GetIssues(const NKikimrIndexBuilder::TEvCreateResponse& proto) {
+        TStringBuilder output;
+
+        for (const auto& issue : proto.GetIssues()) {
+            output << issue.message() << Endl;
+        }
+
+        return output;
+    }
+
+    void Resume(TTransactionContext& txc, const TActorContext& ctx) {
+        Y_VERIFY(Self->Imports.contains(Id));
+        TImportInfo::TPtr importInfo = Self->Imports.at(Id);
+
+        LOG_D("TImport::TTxProgress: Resume"
+            << ": id# " << Id);
+
+        NIceDb::TNiceDb db(txc.DB);
+
+        switch (importInfo->State) {
+        case EState::Waiting:
+            for (ui32 itemIdx : xrange(importInfo->Items.size())) {
+                const auto& item = importInfo->Items.at(itemIdx);
+
+                switch (item.State) {
+                case EState::GetScheme:
+                    GetScheme(importInfo, itemIdx, ctx);
+                    break;
+
+                case EState::CreateTable:
+                case EState::Transferring:
+                case EState::BuildIndexes:
+                    if (item.WaitTxId == InvalidTxId) {
+                        AllocateTxId(importInfo, itemIdx);
+                    } else {
+                        SubscribeTx(importInfo, itemIdx);
+                    }
+                    break;
+
+                default:
+                    break;
+                }
+            }
+            break;
+
+        case EState::Cancellation:
+            for (ui32 itemIdx : xrange(importInfo->Items.size())) {
+                auto& item = importInfo->Items.at(itemIdx);
+                TTxId txId = InvalidTxId;
+
+                switch (item.State) {
+                case EState::Transferring:
+                    if (!CancelTransferring(importInfo, itemIdx)) {
+                        txId = GetActiveRestoreTxId(importInfo, itemIdx);
+                    }
+                    break;
+
+                case EState::BuildIndexes:
+                    if (!CancelIndexBuilding(importInfo, itemIdx)) {
+                        txId = GetActiveBuildIndexId(importInfo, itemIdx);
+                    }
+                    break;
+
+                default:
+                    break;
+                }
+
+                if (txId != InvalidTxId) {
+                    item.WaitTxId = txId;
+                    Self->PersistImportItemState(db, importInfo, itemIdx);
+
+                    switch (item.State) {
+                    case EState::Transferring:
+                        CancelTransferring(importInfo, itemIdx);
+                        break;
+
+                    case EState::BuildIndexes:
+                        CancelIndexBuilding(importInfo, itemIdx);
+                        break;
+
+                    default:
+                        break;
+                    }
+                }
+            }
+            break;
+
+        default:
+            break;
+        }
+    }
+
+    void OnSchemeResult(TTransactionContext& txc, const TActorContext&) {
+        Y_VERIFY(SchemeResult);
+
+        const auto& msg = *SchemeResult->Get();
+
+        LOG_D("TImport::TTxProgress: OnSchemeResult"
+            << ": id# " << msg.ImportId);
+
+        if (!Self->Imports.contains(msg.ImportId)) {
+            LOG_E("TImport::TTxProgress: OnSchemeResult received unknown id"
+                << ": id# " << msg.ImportId);
+            return;
+        }
+
+        TImportInfo::TPtr importInfo = Self->Imports.at(msg.ImportId);
+        if (msg.ItemIdx >= importInfo->Items.size()) {
+            LOG_E("TImport::TTxProgress: OnSchemeResult received unknown item"
+                << ": id# " << msg.ImportId
+                << ", item# " << msg.ItemIdx);
+            return;
+        }
+
+        auto& item = importInfo->Items.at(msg.ItemIdx);
+        NIceDb::TNiceDb db(txc.DB);
+
+        TString error;
+        if (!msg.Success || !CreateTablePropose(Self, TTxId(), importInfo, msg.ItemIdx, error)) {
+            item.Issue = msg.Success ? error : msg.Error;
+            Self->PersistImportItemState(db, importInfo, msg.ItemIdx);
+
+            if (importInfo->State != EState::Waiting) {
+                return;
+            }
+
+            Cancel(importInfo, msg.ItemIdx, "cannot get/invalid scheme");
+            Self->PersistImportState(db, importInfo);
+
+            return SendNotificationsIfFinished(importInfo);
+        }
+
+        Self->PersistImportItemScheme(db, importInfo, msg.ItemIdx);
+
+        item.State = EState::CreateTable;
+        Self->PersistImportItemState(db, importInfo, msg.ItemIdx);
+        AllocateTxId(importInfo, msg.ItemIdx);
+    }
+
+    void OnAllocateResult(TTransactionContext&, const TActorContext&) {
+        Y_VERIFY(AllocateResult);
+
         const auto txId = TTxId(AllocateResult->Get()->TxIds.front());
-        const ui64 id = AllocateResult->Cookie; 
- 
-        LOG_D("TImport::TTxProgress: OnAllocateResult" 
-            << ": txId# " << txId 
-            << ", id# " << id); 
- 
-        if (!Self->Imports.contains(id)) { 
-            LOG_E("TImport::TTxProgress: OnAllocateResult received unknown id" 
-                << ": id# " << id); 
-            return; 
-        } 
- 
-        TImportInfo::TPtr importInfo = Self->Imports.at(id); 
-        if (importInfo->State != EState::Waiting) { 
-            return; 
-        } 
- 
-        TMaybe<ui32> itemIdx; 
-        for (ui32 i : xrange(importInfo->Items.size())) { 
-            const auto& item = importInfo->Items.at(i); 
- 
-            if (item.SubState != ESubState::AllocateTxId) { 
-                continue; 
-            } 
- 
-            switch (item.State) { 
-            case EState::CreateTable: 
-                CreateTable(importInfo, i, txId); 
-                itemIdx = i; 
-                break; 
- 
-            case EState::Transferring: 
-                TransferData(importInfo, i, txId); 
-                itemIdx = i; 
-                break; 
- 
-            case EState::BuildIndexes: 
-                BuildIndex(importInfo, i, txId); 
-                itemIdx = i; 
-                break; 
- 
-            default: 
-                break; 
-            } 
- 
-            if (itemIdx) { 
-                break; 
-            } 
-        } 
- 
-        if (!itemIdx) { 
-            return; 
-        } 
- 
-        Y_VERIFY(!Self->TxIdToImport.contains(txId)); 
-        Self->TxIdToImport[txId] = {importInfo->Id, *itemIdx}; 
-    } 
- 
-    void OnModifyResult(TTransactionContext& txc, const TActorContext&) { 
-        Y_VERIFY(ModifyResult); 
-        const auto& record = ModifyResult->Get()->Record; 
- 
-        LOG_D("TImport::TTxProgress: OnModifyResult" 
-            << ": txId# " << record.GetTxId() 
-            << ", status# " << record.GetStatus()); 
-        LOG_T("Message:\n" << record.ShortDebugString()); 
- 
-        auto txId = TTxId(record.GetTxId()); 
-        if (!Self->TxIdToImport.contains(txId)) { 
-            LOG_E("TImport::TTxProgress: OnModifyResult received unknown txId" 
-                << ": txId# " << txId); 
-            return; 
-        } 
- 
-        ui64 id; 
-        ui32 itemIdx; 
-        std::tie(id, itemIdx) = Self->TxIdToImport.at(txId); 
-        if (!Self->Imports.contains(id)) { 
-            LOG_E("TImport::TTxProgress: OnModifyResult received unknown id" 
-                << ": id# " << id); 
-            return; 
-        } 
- 
-        TImportInfo::TPtr importInfo = Self->Imports.at(id); 
-        NIceDb::TNiceDb db(txc.DB); 
- 
-        Y_VERIFY(itemIdx < importInfo->Items.size()); 
-        auto& item = importInfo->Items.at(itemIdx); 
- 
+        const ui64 id = AllocateResult->Cookie;
+
+        LOG_D("TImport::TTxProgress: OnAllocateResult"
+            << ": txId# " << txId
+            << ", id# " << id);
+
+        if (!Self->Imports.contains(id)) {
+            LOG_E("TImport::TTxProgress: OnAllocateResult received unknown id"
+                << ": id# " << id);
+            return;
+        }
+
+        TImportInfo::TPtr importInfo = Self->Imports.at(id);
+        if (importInfo->State != EState::Waiting) {
+            return;
+        }
+
+        TMaybe<ui32> itemIdx;
+        for (ui32 i : xrange(importInfo->Items.size())) {
+            const auto& item = importInfo->Items.at(i);
+
+            if (item.SubState != ESubState::AllocateTxId) {
+                continue;
+            }
+
+            switch (item.State) {
+            case EState::CreateTable:
+                CreateTable(importInfo, i, txId);
+                itemIdx = i;
+                break;
+
+            case EState::Transferring:
+                TransferData(importInfo, i, txId);
+                itemIdx = i;
+                break;
+
+            case EState::BuildIndexes:
+                BuildIndex(importInfo, i, txId);
+                itemIdx = i;
+                break;
+
+            default:
+                break;
+            }
+
+            if (itemIdx) {
+                break;
+            }
+        }
+
+        if (!itemIdx) {
+            return;
+        }
+
+        Y_VERIFY(!Self->TxIdToImport.contains(txId));
+        Self->TxIdToImport[txId] = {importInfo->Id, *itemIdx};
+    }
+
+    void OnModifyResult(TTransactionContext& txc, const TActorContext&) {
+        Y_VERIFY(ModifyResult);
+        const auto& record = ModifyResult->Get()->Record;
+
+        LOG_D("TImport::TTxProgress: OnModifyResult"
+            << ": txId# " << record.GetTxId()
+            << ", status# " << record.GetStatus());
+        LOG_T("Message:\n" << record.ShortDebugString());
+
+        auto txId = TTxId(record.GetTxId());
+        if (!Self->TxIdToImport.contains(txId)) {
+            LOG_E("TImport::TTxProgress: OnModifyResult received unknown txId"
+                << ": txId# " << txId);
+            return;
+        }
+
+        ui64 id;
+        ui32 itemIdx;
+        std::tie(id, itemIdx) = Self->TxIdToImport.at(txId);
+        if (!Self->Imports.contains(id)) {
+            LOG_E("TImport::TTxProgress: OnModifyResult received unknown id"
+                << ": id# " << id);
+            return;
+        }
+
+        TImportInfo::TPtr importInfo = Self->Imports.at(id);
+        NIceDb::TNiceDb db(txc.DB);
+
+        Y_VERIFY(itemIdx < importInfo->Items.size());
+        auto& item = importInfo->Items.at(itemIdx);
+
         if (record.GetStatus() != NKikimrScheme::StatusAccepted) {
-            Self->TxIdToImport.erase(txId); 
-            txId = InvalidTxId; 
- 
+            Self->TxIdToImport.erase(txId);
+            txId = InvalidTxId;
+
             if (record.GetStatus() == NKikimrScheme::StatusMultipleModifications) {
-                if (record.GetPathCreateTxId()) { 
-                    txId = TTxId(record.GetPathCreateTxId()); 
-                } else if (item.State == EState::Transferring) { 
-                    txId = GetActiveRestoreTxId(importInfo, itemIdx); 
-                } 
-            } 
- 
-            if (txId == InvalidTxId) { 
-                item.Issue = record.GetReason(); 
-                Self->PersistImportItemState(db, importInfo, itemIdx); 
- 
-                if (importInfo->State != EState::Waiting) { 
-                    return; 
-                } 
- 
-                Cancel(importInfo, itemIdx, "unhappy propose"); 
-                Self->PersistImportState(db, importInfo); 
- 
-                return SendNotificationsIfFinished(importInfo); 
-            } 
- 
-            Self->TxIdToImport[txId] = {importInfo->Id, itemIdx}; 
-        } 
- 
-        item.WaitTxId = txId; 
-        Self->PersistImportItemState(db, importInfo, itemIdx); 
- 
-        if (importInfo->State != EState::Waiting && item.State == EState::Transferring) { 
-            CancelTransferring(importInfo, itemIdx); 
-            return; 
-        } 
- 
-        if (item.State == EState::CreateTable) { 
-            item.DstPathId = Self->MakeLocalId(TLocalPathId(record.GetPathId())); 
-            Self->PersistImportItemDstPathId(db, importInfo, itemIdx); 
-        } 
- 
-        SubscribeTx(importInfo, itemIdx); 
-    } 
- 
-    void OnCreateIndexResult(TTransactionContext& txc, const TActorContext&) { 
-        Y_VERIFY(CreateIndexResult); 
-        const auto& record = CreateIndexResult->Get()->Record; 
- 
-        LOG_D("TImport::TTxProgress: OnCreateIndexResult" 
-            << ": txId# " << record.GetTxId() 
-            << ", status# " << record.GetStatus()); 
-        LOG_T("Message:\n" << record.ShortDebugString()); 
- 
-        auto txId = TTxId(record.GetTxId()); 
-        if (!Self->TxIdToImport.contains(txId)) { 
-            LOG_E("TImport::TTxProgress: OnCreateIndexResult received unknown txId" 
-                << ": txId# " << txId); 
-            return; 
-        } 
- 
-        ui64 id; 
-        ui32 itemIdx; 
-        std::tie(id, itemIdx) = Self->TxIdToImport.at(txId); 
-        if (!Self->Imports.contains(id)) { 
-            LOG_E("TImport::TTxProgress: OnCreateIndexResult received unknown id" 
-                << ": id# " << id); 
-            return; 
-        } 
- 
-        TImportInfo::TPtr importInfo = Self->Imports.at(id); 
-        NIceDb::TNiceDb db(txc.DB); 
- 
-        Y_VERIFY(itemIdx < importInfo->Items.size()); 
-        auto& item = importInfo->Items.at(itemIdx); 
- 
-        if (record.GetStatus() != Ydb::StatusIds::SUCCESS) { 
-            Self->TxIdToImport.erase(txId); 
-            txId = InvalidTxId; 
- 
-            if (record.GetStatus() == Ydb::StatusIds::ALREADY_EXISTS) { 
-                if (item.State == EState::BuildIndexes) { 
-                    txId = GetActiveBuildIndexId(importInfo, itemIdx); 
-                } 
-            } 
- 
-            if (txId == InvalidTxId) { 
-                item.Issue = GetIssues(record); 
-                Self->PersistImportItemState(db, importInfo, itemIdx); 
- 
-                if (importInfo->State != EState::Waiting) { 
-                    return; 
-                } 
- 
-                Cancel(importInfo, itemIdx, "unhappy propose"); 
-                Self->PersistImportState(db, importInfo); 
- 
-                return SendNotificationsIfFinished(importInfo); 
-            } 
- 
-            Self->TxIdToImport[txId] = {importInfo->Id, itemIdx}; 
-        } 
- 
-        item.WaitTxId = txId; 
-        Self->PersistImportItemState(db, importInfo, itemIdx); 
- 
-        if (importInfo->State != EState::Waiting) { 
-            CancelIndexBuilding(importInfo, itemIdx); 
-            return; 
-        } 
- 
-        SubscribeTx(importInfo, itemIdx); 
-    } 
- 
-    void OnNotifyResult(TTransactionContext& txc, const TActorContext&) { 
-        Y_VERIFY(NotifyResult); 
-        const auto& record = NotifyResult->Get()->Record; 
- 
-        LOG_D("TImport::TTxProgress: OnNotifyResult" 
-            << ": txId# " << record.GetTxId()); 
- 
-        const auto txId = TTxId(record.GetTxId()); 
-        if (!Self->TxIdToImport.contains(txId)) { 
-            LOG_E("TImport::TTxProgress: OnNotifyResult received unknown txId" 
-                << ": txId# " << txId); 
-            return; 
-        } 
- 
-        ui64 id; 
-        ui32 itemIdx; 
-        std::tie(id, itemIdx) = Self->TxIdToImport.at(txId); 
-        if (!Self->Imports.contains(id)) { 
-            LOG_E("TImport::TTxProgress: OnNotifyResult received unknown id" 
-                << ": id# " << id); 
-            return; 
-        } 
- 
-        TImportInfo::TPtr importInfo = Self->Imports.at(id); 
-        NIceDb::TNiceDb db(txc.DB); 
- 
-        Y_VERIFY(itemIdx < importInfo->Items.size()); 
-        auto& item = importInfo->Items.at(itemIdx); 
- 
-        item.WaitTxId = InvalidTxId; 
-        Self->PersistImportItemState(db, importInfo, itemIdx); 
- 
-        Self->TxIdToImport.erase(txId); 
- 
-        if (importInfo->State != EState::Waiting) { 
-            return; 
-        } 
- 
-        switch (item.State) { 
-        case EState::CreateTable: 
-            item.State = EState::Transferring; 
-            AllocateTxId(importInfo, itemIdx); 
-            break; 
- 
-        case EState::Transferring: 
-            if (const auto issue = GetIssues(item.DstPathId, txId)) { 
-                item.Issue = *issue; 
-                Cancel(importInfo, itemIdx, "issues during restore"); 
-            } else { 
-                if (item.NextIndexIdx < item.Scheme.indexes_size()) { 
-                    item.State = EState::BuildIndexes; 
-                    AllocateTxId(importInfo, itemIdx); 
-                } else { 
-                    item.State = EState::Done; 
-                } 
-            } 
-            break; 
- 
-        case EState::BuildIndexes: 
-            if (const auto issue = GetIssues(TIndexBuildId(ui64(txId)))) { 
-                item.Issue = *issue; 
-                Cancel(importInfo, itemIdx, "issues during index building"); 
-            } else { 
-                if (++item.NextIndexIdx < item.Scheme.indexes_size()) { 
-                    AllocateTxId(importInfo, itemIdx); 
-                } else { 
-                    item.State = EState::Done; 
-                } 
-            } 
-            break; 
- 
-        default: 
-            return SendNotificationsIfFinished(importInfo); 
-        } 
- 
-        if (AllOf(importInfo->Items, &TImportInfo::TItem::IsDone)) { 
-            importInfo->State = EState::Done; 
-        } 
- 
-        Self->PersistImportItemState(db, importInfo, itemIdx); 
-        Self->PersistImportState(db, importInfo); 
- 
-        SendNotificationsIfFinished(importInfo); 
-    } 
- 
-}; // TTxProgress 
- 
+                if (record.GetPathCreateTxId()) {
+                    txId = TTxId(record.GetPathCreateTxId());
+                } else if (item.State == EState::Transferring) {
+                    txId = GetActiveRestoreTxId(importInfo, itemIdx);
+                }
+            }
+
+            if (txId == InvalidTxId) {
+                item.Issue = record.GetReason();
+                Self->PersistImportItemState(db, importInfo, itemIdx);
+
+                if (importInfo->State != EState::Waiting) {
+                    return;
+                }
+
+                Cancel(importInfo, itemIdx, "unhappy propose");
+                Self->PersistImportState(db, importInfo);
+
+                return SendNotificationsIfFinished(importInfo);
+            }
+
+            Self->TxIdToImport[txId] = {importInfo->Id, itemIdx};
+        }
+
+        item.WaitTxId = txId;
+        Self->PersistImportItemState(db, importInfo, itemIdx);
+
+        if (importInfo->State != EState::Waiting && item.State == EState::Transferring) {
+            CancelTransferring(importInfo, itemIdx);
+            return;
+        }
+
+        if (item.State == EState::CreateTable) {
+            item.DstPathId = Self->MakeLocalId(TLocalPathId(record.GetPathId()));
+            Self->PersistImportItemDstPathId(db, importInfo, itemIdx);
+        }
+
+        SubscribeTx(importInfo, itemIdx);
+    }
+
+    void OnCreateIndexResult(TTransactionContext& txc, const TActorContext&) {
+        Y_VERIFY(CreateIndexResult);
+        const auto& record = CreateIndexResult->Get()->Record;
+
+        LOG_D("TImport::TTxProgress: OnCreateIndexResult"
+            << ": txId# " << record.GetTxId()
+            << ", status# " << record.GetStatus());
+        LOG_T("Message:\n" << record.ShortDebugString());
+
+        auto txId = TTxId(record.GetTxId());
+        if (!Self->TxIdToImport.contains(txId)) {
+            LOG_E("TImport::TTxProgress: OnCreateIndexResult received unknown txId"
+                << ": txId# " << txId);
+            return;
+        }
+
+        ui64 id;
+        ui32 itemIdx;
+        std::tie(id, itemIdx) = Self->TxIdToImport.at(txId);
+        if (!Self->Imports.contains(id)) {
+            LOG_E("TImport::TTxProgress: OnCreateIndexResult received unknown id"
+                << ": id# " << id);
+            return;
+        }
+
+        TImportInfo::TPtr importInfo = Self->Imports.at(id);
+        NIceDb::TNiceDb db(txc.DB);
+
+        Y_VERIFY(itemIdx < importInfo->Items.size());
+        auto& item = importInfo->Items.at(itemIdx);
+
+        if (record.GetStatus() != Ydb::StatusIds::SUCCESS) {
+            Self->TxIdToImport.erase(txId);
+            txId = InvalidTxId;
+
+            if (record.GetStatus() == Ydb::StatusIds::ALREADY_EXISTS) {
+                if (item.State == EState::BuildIndexes) {
+                    txId = GetActiveBuildIndexId(importInfo, itemIdx);
+                }
+            }
+
+            if (txId == InvalidTxId) {
+                item.Issue = GetIssues(record);
+                Self->PersistImportItemState(db, importInfo, itemIdx);
+
+                if (importInfo->State != EState::Waiting) {
+                    return;
+                }
+
+                Cancel(importInfo, itemIdx, "unhappy propose");
+                Self->PersistImportState(db, importInfo);
+
+                return SendNotificationsIfFinished(importInfo);
+            }
+
+            Self->TxIdToImport[txId] = {importInfo->Id, itemIdx};
+        }
+
+        item.WaitTxId = txId;
+        Self->PersistImportItemState(db, importInfo, itemIdx);
+
+        if (importInfo->State != EState::Waiting) {
+            CancelIndexBuilding(importInfo, itemIdx);
+            return;
+        }
+
+        SubscribeTx(importInfo, itemIdx);
+    }
+
+    void OnNotifyResult(TTransactionContext& txc, const TActorContext&) {
+        Y_VERIFY(NotifyResult);
+        const auto& record = NotifyResult->Get()->Record;
+
+        LOG_D("TImport::TTxProgress: OnNotifyResult"
+            << ": txId# " << record.GetTxId());
+
+        const auto txId = TTxId(record.GetTxId());
+        if (!Self->TxIdToImport.contains(txId)) {
+            LOG_E("TImport::TTxProgress: OnNotifyResult received unknown txId"
+                << ": txId# " << txId);
+            return;
+        }
+
+        ui64 id;
+        ui32 itemIdx;
+        std::tie(id, itemIdx) = Self->TxIdToImport.at(txId);
+        if (!Self->Imports.contains(id)) {
+            LOG_E("TImport::TTxProgress: OnNotifyResult received unknown id"
+                << ": id# " << id);
+            return;
+        }
+
+        TImportInfo::TPtr importInfo = Self->Imports.at(id);
+        NIceDb::TNiceDb db(txc.DB);
+
+        Y_VERIFY(itemIdx < importInfo->Items.size());
+        auto& item = importInfo->Items.at(itemIdx);
+
+        item.WaitTxId = InvalidTxId;
+        Self->PersistImportItemState(db, importInfo, itemIdx);
+
+        Self->TxIdToImport.erase(txId);
+
+        if (importInfo->State != EState::Waiting) {
+            return;
+        }
+
+        switch (item.State) {
+        case EState::CreateTable:
+            item.State = EState::Transferring;
+            AllocateTxId(importInfo, itemIdx);
+            break;
+
+        case EState::Transferring:
+            if (const auto issue = GetIssues(item.DstPathId, txId)) {
+                item.Issue = *issue;
+                Cancel(importInfo, itemIdx, "issues during restore");
+            } else {
+                if (item.NextIndexIdx < item.Scheme.indexes_size()) {
+                    item.State = EState::BuildIndexes;
+                    AllocateTxId(importInfo, itemIdx);
+                } else {
+                    item.State = EState::Done;
+                }
+            }
+            break;
+
+        case EState::BuildIndexes:
+            if (const auto issue = GetIssues(TIndexBuildId(ui64(txId)))) {
+                item.Issue = *issue;
+                Cancel(importInfo, itemIdx, "issues during index building");
+            } else {
+                if (++item.NextIndexIdx < item.Scheme.indexes_size()) {
+                    AllocateTxId(importInfo, itemIdx);
+                } else {
+                    item.State = EState::Done;
+                }
+            }
+            break;
+
+        default:
+            return SendNotificationsIfFinished(importInfo);
+        }
+
+        if (AllOf(importInfo->Items, &TImportInfo::TItem::IsDone)) {
+            importInfo->State = EState::Done;
+        }
+
+        Self->PersistImportItemState(db, importInfo, itemIdx);
+        Self->PersistImportState(db, importInfo);
+
+        SendNotificationsIfFinished(importInfo);
+    }
+
+}; // TTxProgress
+
 ITransaction* TSchemeShard::CreateTxCreateImport(TEvImport::TEvCreateImportRequest::TPtr& ev) {
-    return new TImport::TTxCreate(this, ev); 
-} 
- 
+    return new TImport::TTxCreate(this, ev);
+}
+
 ITransaction* TSchemeShard::CreateTxProgressImport(ui64 id) {
-    return new TImport::TTxProgress(this, id); 
-} 
- 
+    return new TImport::TTxProgress(this, id);
+}
+
 ITransaction* TSchemeShard::CreateTxProgressImport(TEvPrivate::TEvImportSchemeReady::TPtr& ev) {
-    return new TImport::TTxProgress(this, ev); 
-} 
- 
+    return new TImport::TTxProgress(this, ev);
+}
+
 ITransaction* TSchemeShard::CreateTxProgressImport(TEvTxAllocatorClient::TEvAllocateResult::TPtr& ev) {
-    return new TImport::TTxProgress(this, ev); 
-} 
- 
+    return new TImport::TTxProgress(this, ev);
+}
+
 ITransaction* TSchemeShard::CreateTxProgressImport(TEvSchemeShard::TEvModifySchemeTransactionResult::TPtr& ev) {
-    return new TImport::TTxProgress(this, ev); 
-} 
- 
+    return new TImport::TTxProgress(this, ev);
+}
+
 ITransaction* TSchemeShard::CreateTxProgressImport(TEvIndexBuilder::TEvCreateResponse::TPtr& ev) {
-    return new TImport::TTxProgress(this, ev); 
-} 
- 
+    return new TImport::TTxProgress(this, ev);
+}
+
 ITransaction* TSchemeShard::CreateTxProgressImport(TEvSchemeShard::TEvNotifyTxCompletionResult::TPtr& ev) {
-    return new TImport::TTxProgress(this, ev); 
-} 
- 
+    return new TImport::TTxProgress(this, ev);
+}
+
 } // NSchemeShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard_import__forget.cpp b/ydb/core/tx/schemeshard/schemeshard_import__forget.cpp
index 1a4a9fe723..5574044683 100644
--- a/ydb/core/tx/schemeshard/schemeshard_import__forget.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard_import__forget.cpp
@@ -1,80 +1,80 @@
-#include "schemeshard_xxport__tx_base.h" 
-#include "schemeshard_import_helpers.h" 
-#include "schemeshard_import.h" 
-#include "schemeshard_impl.h" 
- 
+#include "schemeshard_xxport__tx_base.h"
+#include "schemeshard_import_helpers.h"
+#include "schemeshard_import.h"
+#include "schemeshard_impl.h"
+
 #include <ydb/public/api/protos/ydb_issue_message.pb.h>
 #include <ydb/public/api/protos/ydb_status_codes.pb.h>
- 
-#include <util/generic/ptr.h> 
- 
-namespace NKikimr { 
+
+#include <util/generic/ptr.h>
+
+namespace NKikimr {
 namespace NSchemeShard {
- 
-using namespace NTabletFlatExecutor; 
- 
+
+using namespace NTabletFlatExecutor;
+
 struct TSchemeShard::TImport::TTxForget: public TSchemeShard::TXxport::TTxBase {
-    TEvImport::TEvForgetImportRequest::TPtr Request; 
- 
-    explicit TTxForget(TSelf *self, TEvImport::TEvForgetImportRequest::TPtr& ev) 
-        : TXxport::TTxBase(self) 
-        , Request(ev) 
-    { 
-    } 
- 
-    TTxType GetTxType() const override { 
-        return TXTYPE_FORGET_IMPORT; 
-    } 
- 
-    bool DoExecute(TTransactionContext& txc, const TActorContext&) override { 
-        const auto& request = Request->Get()->Record; 
- 
-        auto respond = [this, &request](Ydb::StatusIds::StatusCode status, const TString& issue = {}) -> bool { 
-            auto response = MakeHolder<TEvImport::TEvForgetImportResponse>(request.GetTxId()); 
-            auto& proto = *response->Record.MutableResponse(); 
- 
-            proto.SetStatus(status); 
-            if (issue) { 
-                AddIssue(proto, issue); 
-            } 
- 
-            Send(Request->Sender, std::move(response), 0, Request->Cookie); 
-            return true; 
-        }; 
- 
-        auto it = Self->Imports.find(request.GetRequest().GetId()); 
-        if (it == Self->Imports.end() || !IsSameDomain(it->second, request.GetDatabaseName())) { 
-            return respond(Ydb::StatusIds::NOT_FOUND); 
-        } 
- 
-        TImportInfo::TPtr importInfo = it->second; 
-        NIceDb::TNiceDb db(txc.DB); 
- 
-        switch (importInfo->State) { 
-        case TImportInfo::EState::Done: 
-        case TImportInfo::EState::Cancelled: 
-            Self->ImportsByUid.erase(importInfo->Uid); 
-            Self->Imports.erase(importInfo->Id); 
-            Self->PersistRemoveImport(db, importInfo); 
-            return respond(Ydb::StatusIds::SUCCESS); 
- 
-        case TImportInfo::EState::Waiting: 
-        case TImportInfo::EState::Cancellation: 
-            return respond(Ydb::StatusIds::PRECONDITION_FAILED, "Import operation is in progress"); 
- 
-        default: 
-            return respond(Ydb::StatusIds::UNDETERMINED); 
-        } 
-    } 
- 
-    void DoComplete(const TActorContext&) override { 
-    } 
- 
-}; // TTxForget 
- 
+    TEvImport::TEvForgetImportRequest::TPtr Request;
+
+    explicit TTxForget(TSelf *self, TEvImport::TEvForgetImportRequest::TPtr& ev)
+        : TXxport::TTxBase(self)
+        , Request(ev)
+    {
+    }
+
+    TTxType GetTxType() const override {
+        return TXTYPE_FORGET_IMPORT;
+    }
+
+    bool DoExecute(TTransactionContext& txc, const TActorContext&) override {
+        const auto& request = Request->Get()->Record;
+
+        auto respond = [this, &request](Ydb::StatusIds::StatusCode status, const TString& issue = {}) -> bool {
+            auto response = MakeHolder<TEvImport::TEvForgetImportResponse>(request.GetTxId());
+            auto& proto = *response->Record.MutableResponse();
+
+            proto.SetStatus(status);
+            if (issue) {
+                AddIssue(proto, issue);
+            }
+
+            Send(Request->Sender, std::move(response), 0, Request->Cookie);
+            return true;
+        };
+
+        auto it = Self->Imports.find(request.GetRequest().GetId());
+        if (it == Self->Imports.end() || !IsSameDomain(it->second, request.GetDatabaseName())) {
+            return respond(Ydb::StatusIds::NOT_FOUND);
+        }
+
+        TImportInfo::TPtr importInfo = it->second;
+        NIceDb::TNiceDb db(txc.DB);
+
+        switch (importInfo->State) {
+        case TImportInfo::EState::Done:
+        case TImportInfo::EState::Cancelled:
+            Self->ImportsByUid.erase(importInfo->Uid);
+            Self->Imports.erase(importInfo->Id);
+            Self->PersistRemoveImport(db, importInfo);
+            return respond(Ydb::StatusIds::SUCCESS);
+
+        case TImportInfo::EState::Waiting:
+        case TImportInfo::EState::Cancellation:
+            return respond(Ydb::StatusIds::PRECONDITION_FAILED, "Import operation is in progress");
+
+        default:
+            return respond(Ydb::StatusIds::UNDETERMINED);
+        }
+    }
+
+    void DoComplete(const TActorContext&) override {
+    }
+
+}; // TTxForget
+
 ITransaction* TSchemeShard::CreateTxForgetImport(TEvImport::TEvForgetImportRequest::TPtr& ev) {
-    return new TImport::TTxForget(this, ev); 
-} 
- 
+    return new TImport::TTxForget(this, ev);
+}
+
 } // NSchemeShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard_import__get.cpp b/ydb/core/tx/schemeshard/schemeshard_import__get.cpp
index aedfbdc311..dcc8cb9c8f 100644
--- a/ydb/core/tx/schemeshard/schemeshard_import__get.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard_import__get.cpp
@@ -1,31 +1,31 @@
-#include "schemeshard_xxport__get.h" 
-#include "schemeshard_import.h" 
- 
-namespace NKikimr { 
+#include "schemeshard_xxport__get.h"
+#include "schemeshard_import.h"
+
+namespace NKikimr {
 namespace NSchemeShard {
- 
-using namespace NTabletFlatExecutor; 
- 
+
+using namespace NTabletFlatExecutor;
+
 struct TSchemeShard::TImport::TTxGet: public TSchemeShard::TXxport::TTxGet<
-        TImportInfo, 
-        TEvImport::TEvGetImportRequest, 
-        TEvImport::TEvGetImportResponse 
-> { 
-    using TTxGetBase::TTxGetBase; 
- 
-    TTxType GetTxType() const override { 
-        return TXTYPE_GET_IMPORT; 
-    } 
- 
-    bool DoExecute(TTransactionContext& txc, const TActorContext& ctx) override { 
-        return DoExecuteImpl(Self->Imports, txc, ctx); 
-    } 
- 
-}; // TTxGet 
- 
+        TImportInfo,
+        TEvImport::TEvGetImportRequest,
+        TEvImport::TEvGetImportResponse
+> {
+    using TTxGetBase::TTxGetBase;
+
+    TTxType GetTxType() const override {
+        return TXTYPE_GET_IMPORT;
+    }
+
+    bool DoExecute(TTransactionContext& txc, const TActorContext& ctx) override {
+        return DoExecuteImpl(Self->Imports, txc, ctx);
+    }
+
+}; // TTxGet
+
 ITransaction* TSchemeShard::CreateTxGetImport(TEvImport::TEvGetImportRequest::TPtr& ev) {
-    return new TImport::TTxGet(this, ev); 
-} 
- 
+    return new TImport::TTxGet(this, ev);
+}
+
 } // NSchemeShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard_import__list.cpp b/ydb/core/tx/schemeshard/schemeshard_import__list.cpp
index c45ee198c9..c2841669c8 100644
--- a/ydb/core/tx/schemeshard/schemeshard_import__list.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard_import__list.cpp
@@ -1,41 +1,41 @@
-#include "schemeshard_xxport__list.h" 
-#include "schemeshard_import.h" 
- 
-namespace NKikimr { 
+#include "schemeshard_xxport__list.h"
+#include "schemeshard_import.h"
+
+namespace NKikimr {
 namespace NSchemeShard {
- 
-using namespace NTabletFlatExecutor; 
- 
+
+using namespace NTabletFlatExecutor;
+
 struct TSchemeShard::TImport::TTxList: public TSchemeShard::TXxport::TTxList<
-        TImportInfo, 
-        TEvImport::TEvListImportsRequest, 
-        TEvImport::TEvListImportsResponse, 
+        TImportInfo,
+        TEvImport::TEvListImportsRequest,
+        TEvImport::TEvListImportsResponse,
         TSchemeShard::TImport::TTxList
-> { 
-    using TTxListBase::TTxListBase; 
- 
-    TTxType GetTxType() const override { 
-        return TXTYPE_LIST_IMPORTS; 
-    } 
- 
-    static bool TryParseKind(const TString& str, TImportInfo::EKind& parsed) { 
-        if (str == "import/s3") { 
-            parsed = TImportInfo::EKind::S3; 
-            return true; 
-        } 
- 
-        return false; 
-    } 
- 
-    bool DoExecute(TTransactionContext& txc, const TActorContext& ctx) override { 
-        return DoExecuteImpl(Self->Imports, txc, ctx); 
-    } 
- 
-}; // TTxList 
- 
+> {
+    using TTxListBase::TTxListBase;
+
+    TTxType GetTxType() const override {
+        return TXTYPE_LIST_IMPORTS;
+    }
+
+    static bool TryParseKind(const TString& str, TImportInfo::EKind& parsed) {
+        if (str == "import/s3") {
+            parsed = TImportInfo::EKind::S3;
+            return true;
+        }
+
+        return false;
+    }
+
+    bool DoExecute(TTransactionContext& txc, const TActorContext& ctx) override {
+        return DoExecuteImpl(Self->Imports, txc, ctx);
+    }
+
+}; // TTxList
+
 ITransaction* TSchemeShard::CreateTxListImports(TEvImport::TEvListImportsRequest::TPtr& ev) {
-    return new TImport::TTxList(this, ev); 
-} 
- 
+    return new TImport::TTxList(this, ev);
+}
+
 } // NSchemeShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard_import_flow_proposals.cpp b/ydb/core/tx/schemeshard/schemeshard_import_flow_proposals.cpp
index 13fce9e7f9..5d510760fd 100644
--- a/ydb/core/tx/schemeshard/schemeshard_import_flow_proposals.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard_import_flow_proposals.cpp
@@ -1,198 +1,198 @@
-#include "schemeshard_import_flow_proposals.h" 
-#include "schemeshard_path_describer.h" 
- 
+#include "schemeshard_import_flow_proposals.h"
+#include "schemeshard_path_describer.h"
+
 #include <ydb/core/base/path.h>
 #include <ydb/core/ydb_convert/table_description.h>
- 
-namespace NKikimr { 
+
+namespace NKikimr {
 namespace NSchemeShard {
- 
+
 THolder<TEvSchemeShard::TEvModifySchemeTransaction> CreateTablePropose(
     TSchemeShard* ss,
-    TTxId txId, 
-    TImportInfo::TPtr importInfo, 
-    ui32 itemIdx, 
-    TString& error 
-) { 
-    Y_VERIFY(itemIdx < importInfo->Items.size()); 
-    const auto& item = importInfo->Items.at(itemIdx); 
- 
+    TTxId txId,
+    TImportInfo::TPtr importInfo,
+    ui32 itemIdx,
+    TString& error
+) {
+    Y_VERIFY(itemIdx < importInfo->Items.size());
+    const auto& item = importInfo->Items.at(itemIdx);
+
     auto propose = MakeHolder<TEvSchemeShard::TEvModifySchemeTransaction>(ui64(txId), ss->TabletID());
-    auto& record = propose->Record; 
- 
-    if (importInfo->UserSID) { 
-        record.SetOwner(*importInfo->UserSID); 
-    } 
- 
+    auto& record = propose->Record;
+
+    if (importInfo->UserSID) {
+        record.SetOwner(*importInfo->UserSID);
+    }
+
     auto& modifyScheme = *record.AddTransaction();
     modifyScheme.SetOperationType(NKikimrSchemeOp::ESchemeOpCreateTable);
-    modifyScheme.SetInternal(true); 
- 
-    const TPath domainPath = TPath::Init(importInfo->DomainPathId, ss); 
- 
-    std::pair<TString, TString> wdAndPath; 
-    if (!TrySplitPathByDb(item.DstPathName, domainPath.PathString(), wdAndPath, error)) { 
-        return nullptr; 
-    } 
- 
-    modifyScheme.SetWorkingDir(wdAndPath.first); 
- 
-    auto& tableDesc = *modifyScheme.MutableCreateTable(); 
-    tableDesc.SetName(wdAndPath.second); 
- 
-    Ydb::StatusIds::StatusCode status; 
-    if (!FillTableDescription(modifyScheme, item.Scheme, status, error)) { 
-        return nullptr; 
-    } 
- 
-    return propose; 
-} 
- 
+    modifyScheme.SetInternal(true);
+
+    const TPath domainPath = TPath::Init(importInfo->DomainPathId, ss);
+
+    std::pair<TString, TString> wdAndPath;
+    if (!TrySplitPathByDb(item.DstPathName, domainPath.PathString(), wdAndPath, error)) {
+        return nullptr;
+    }
+
+    modifyScheme.SetWorkingDir(wdAndPath.first);
+
+    auto& tableDesc = *modifyScheme.MutableCreateTable();
+    tableDesc.SetName(wdAndPath.second);
+
+    Ydb::StatusIds::StatusCode status;
+    if (!FillTableDescription(modifyScheme, item.Scheme, status, error)) {
+        return nullptr;
+    }
+
+    return propose;
+}
+
 THolder<TEvSchemeShard::TEvModifySchemeTransaction> CreateTablePropose(
     TSchemeShard* ss,
-    TTxId txId, 
-    TImportInfo::TPtr importInfo, 
-    ui32 itemIdx 
-) { 
-    TString unused; 
-    return CreateTablePropose(ss, txId, importInfo, itemIdx, unused); 
-} 
- 
+    TTxId txId,
+    TImportInfo::TPtr importInfo,
+    ui32 itemIdx
+) {
+    TString unused;
+    return CreateTablePropose(ss, txId, importInfo, itemIdx, unused);
+}
+
 static NKikimrSchemeOp::TTableDescription GetTableDescription(TSchemeShard* ss, const TPathId& pathId) {
-    auto desc = DescribePath(ss, TlsActivationContext->AsActorContext(), pathId); 
-    auto record = desc->GetRecord(); 
- 
-    Y_VERIFY(record.HasPathDescription()); 
-    Y_VERIFY(record.GetPathDescription().HasTable()); 
- 
-    return record.GetPathDescription().GetTable(); 
-} 
- 
+    auto desc = DescribePath(ss, TlsActivationContext->AsActorContext(), pathId);
+    auto record = desc->GetRecord();
+
+    Y_VERIFY(record.HasPathDescription());
+    Y_VERIFY(record.GetPathDescription().HasTable());
+
+    return record.GetPathDescription().GetTable();
+}
+
 static NKikimrSchemeOp::TTableDescription RebuildTableDescription(
     const NKikimrSchemeOp::TTableDescription& src,
-    const Ydb::Table::CreateTableRequest& scheme 
-) { 
+    const Ydb::Table::CreateTableRequest& scheme
+) {
     NKikimrSchemeOp::TTableDescription tableDesc;
-    tableDesc.MutableKeyColumnNames()->CopyFrom(src.GetKeyColumnNames()); 
- 
-    THashMap<TString, ui32> columnNameToIdx; 
-    for (ui32 i = 0; i < src.ColumnsSize(); ++i) { 
-        Y_VERIFY(columnNameToIdx.emplace(src.GetColumns(i).GetName(), i).second); 
-    } 
- 
-    for (const auto& column : scheme.columns()) { 
-        auto it = columnNameToIdx.find(column.name()); 
-        Y_VERIFY(it != columnNameToIdx.end()); 
- 
-        Y_VERIFY(it->second < src.ColumnsSize()); 
-        tableDesc.MutableColumns()->Add()->CopyFrom(src.GetColumns(it->second)); 
-    } 
- 
-    return tableDesc; 
-} 
- 
+    tableDesc.MutableKeyColumnNames()->CopyFrom(src.GetKeyColumnNames());
+
+    THashMap<TString, ui32> columnNameToIdx;
+    for (ui32 i = 0; i < src.ColumnsSize(); ++i) {
+        Y_VERIFY(columnNameToIdx.emplace(src.GetColumns(i).GetName(), i).second);
+    }
+
+    for (const auto& column : scheme.columns()) {
+        auto it = columnNameToIdx.find(column.name());
+        Y_VERIFY(it != columnNameToIdx.end());
+
+        Y_VERIFY(it->second < src.ColumnsSize());
+        tableDesc.MutableColumns()->Add()->CopyFrom(src.GetColumns(it->second));
+    }
+
+    return tableDesc;
+}
+
 THolder<TEvSchemeShard::TEvModifySchemeTransaction> RestorePropose(
     TSchemeShard* ss,
-    TTxId txId, 
-    TImportInfo::TPtr importInfo, 
-    ui32 itemIdx 
-) { 
-    Y_VERIFY(itemIdx < importInfo->Items.size()); 
-    const auto& item = importInfo->Items.at(itemIdx); 
- 
+    TTxId txId,
+    TImportInfo::TPtr importInfo,
+    ui32 itemIdx
+) {
+    Y_VERIFY(itemIdx < importInfo->Items.size());
+    const auto& item = importInfo->Items.at(itemIdx);
+
     auto propose = MakeHolder<TEvSchemeShard::TEvModifySchemeTransaction>(ui64(txId), ss->TabletID());
- 
+
     auto& modifyScheme = *propose->Record.AddTransaction();
     modifyScheme.SetOperationType(NKikimrSchemeOp::ESchemeOpRestore);
-    modifyScheme.SetInternal(true); 
- 
-    const TPath dstPath = TPath::Init(item.DstPathId, ss); 
-    Y_VERIFY(dstPath.IsResolved()); 
- 
-    modifyScheme.SetWorkingDir(dstPath.Parent().PathString()); 
- 
-    auto& task = *modifyScheme.MutableRestore(); 
-    task.SetTableName(dstPath.LeafName()); 
-    *task.MutableTableDescription() = RebuildTableDescription(GetTableDescription(ss, item.DstPathId), item.Scheme); 
- 
-    switch (importInfo->Kind) { 
-    case TImportInfo::EKind::S3: 
-        { 
-            task.SetNumberOfRetries(importInfo->Settings.number_of_retries()); 
-            auto& restoreSettings = *task.MutableS3Settings(); 
-            restoreSettings.SetEndpoint(importInfo->Settings.endpoint()); 
-            restoreSettings.SetBucket(importInfo->Settings.bucket()); 
-            restoreSettings.SetAccessKey(importInfo->Settings.access_key()); 
-            restoreSettings.SetSecretKey(importInfo->Settings.secret_key()); 
-            restoreSettings.SetObjectKeyPattern(importInfo->Settings.items(itemIdx).source_prefix()); 
- 
-            switch (importInfo->Settings.scheme()) { 
-            case Ydb::Import::ImportFromS3Settings::HTTP: 
+    modifyScheme.SetInternal(true);
+
+    const TPath dstPath = TPath::Init(item.DstPathId, ss);
+    Y_VERIFY(dstPath.IsResolved());
+
+    modifyScheme.SetWorkingDir(dstPath.Parent().PathString());
+
+    auto& task = *modifyScheme.MutableRestore();
+    task.SetTableName(dstPath.LeafName());
+    *task.MutableTableDescription() = RebuildTableDescription(GetTableDescription(ss, item.DstPathId), item.Scheme);
+
+    switch (importInfo->Kind) {
+    case TImportInfo::EKind::S3:
+        {
+            task.SetNumberOfRetries(importInfo->Settings.number_of_retries());
+            auto& restoreSettings = *task.MutableS3Settings();
+            restoreSettings.SetEndpoint(importInfo->Settings.endpoint());
+            restoreSettings.SetBucket(importInfo->Settings.bucket());
+            restoreSettings.SetAccessKey(importInfo->Settings.access_key());
+            restoreSettings.SetSecretKey(importInfo->Settings.secret_key());
+            restoreSettings.SetObjectKeyPattern(importInfo->Settings.items(itemIdx).source_prefix());
+
+            switch (importInfo->Settings.scheme()) {
+            case Ydb::Import::ImportFromS3Settings::HTTP:
                 restoreSettings.SetScheme(NKikimrSchemeOp::TS3Settings::HTTP);
-                break; 
-            case Ydb::Import::ImportFromS3Settings::HTTPS: 
+                break;
+            case Ydb::Import::ImportFromS3Settings::HTTPS:
                 restoreSettings.SetScheme(NKikimrSchemeOp::TS3Settings::HTTPS);
-                break; 
-            default: 
-                Y_FAIL("Unknown scheme"); 
-            } 
-        } 
-        break; 
-    } 
- 
-    return propose; 
-} 
- 
+                break;
+            default:
+                Y_FAIL("Unknown scheme");
+            }
+        }
+        break;
+    }
+
+    return propose;
+}
+
 THolder<TEvSchemeShard::TEvCancelTx> CancelRestorePropose(
-    TImportInfo::TPtr importInfo, 
-    TTxId restoreTxId 
-) { 
+    TImportInfo::TPtr importInfo,
+    TTxId restoreTxId
+) {
     auto propose = MakeHolder<TEvSchemeShard::TEvCancelTx>();
- 
-    auto& record = propose->Record; 
-    record.SetTxId(importInfo->Id); 
-    record.SetTargetTxId(ui64(restoreTxId)); 
- 
-    return propose; 
-} 
- 
-THolder<TEvIndexBuilder::TEvCreateRequest> BuildIndexPropose( 
+
+    auto& record = propose->Record;
+    record.SetTxId(importInfo->Id);
+    record.SetTargetTxId(ui64(restoreTxId));
+
+    return propose;
+}
+
+THolder<TEvIndexBuilder::TEvCreateRequest> BuildIndexPropose(
     TSchemeShard* ss,
-    TTxId txId, 
-    TImportInfo::TPtr importInfo, 
-    ui32 itemIdx, 
-    const TString& uid 
-) { 
-    Y_VERIFY(itemIdx < importInfo->Items.size()); 
-    const auto& item = importInfo->Items.at(itemIdx); 
- 
-    NKikimrIndexBuilder::TIndexBuildSettings settings; 
- 
-    const TPath dstPath = TPath::Init(item.DstPathId, ss); 
-    settings.set_source_path(dstPath.PathString()); 
- 
-    Y_VERIFY(item.NextIndexIdx < item.Scheme.indexes_size()); 
-    settings.mutable_index()->CopyFrom(item.Scheme.indexes(item.NextIndexIdx)); 
- 
-    if (settings.mutable_index()->type_case() == Ydb::Table::TableIndex::TypeCase::TYPE_NOT_SET) { 
-        settings.mutable_index()->mutable_global_index(); 
-    } 
- 
-    const TPath domainPath = TPath::Init(importInfo->DomainPathId, ss); 
-    auto propose = MakeHolder<TEvIndexBuilder::TEvCreateRequest>(ui64(txId), domainPath.PathString(), std::move(settings)); 
-    (*propose->Record.MutableOperationParams()->mutable_labels())["uid"] = uid; 
- 
-    return propose; 
-} 
- 
-THolder<TEvIndexBuilder::TEvCancelRequest> CancelIndexBuildPropose( 
+    TTxId txId,
+    TImportInfo::TPtr importInfo,
+    ui32 itemIdx,
+    const TString& uid
+) {
+    Y_VERIFY(itemIdx < importInfo->Items.size());
+    const auto& item = importInfo->Items.at(itemIdx);
+
+    NKikimrIndexBuilder::TIndexBuildSettings settings;
+
+    const TPath dstPath = TPath::Init(item.DstPathId, ss);
+    settings.set_source_path(dstPath.PathString());
+
+    Y_VERIFY(item.NextIndexIdx < item.Scheme.indexes_size());
+    settings.mutable_index()->CopyFrom(item.Scheme.indexes(item.NextIndexIdx));
+
+    if (settings.mutable_index()->type_case() == Ydb::Table::TableIndex::TypeCase::TYPE_NOT_SET) {
+        settings.mutable_index()->mutable_global_index();
+    }
+
+    const TPath domainPath = TPath::Init(importInfo->DomainPathId, ss);
+    auto propose = MakeHolder<TEvIndexBuilder::TEvCreateRequest>(ui64(txId), domainPath.PathString(), std::move(settings));
+    (*propose->Record.MutableOperationParams()->mutable_labels())["uid"] = uid;
+
+    return propose;
+}
+
+THolder<TEvIndexBuilder::TEvCancelRequest> CancelIndexBuildPropose(
     TSchemeShard* ss,
-    TImportInfo::TPtr importInfo, 
-    TTxId indexBuildId 
-) { 
-    const TPath domainPath = TPath::Init(importInfo->DomainPathId, ss); 
-    return MakeHolder<TEvIndexBuilder::TEvCancelRequest>(ui64(indexBuildId), domainPath.PathString(), ui64(indexBuildId)); 
-} 
- 
+    TImportInfo::TPtr importInfo,
+    TTxId indexBuildId
+) {
+    const TPath domainPath = TPath::Init(importInfo->DomainPathId, ss);
+    return MakeHolder<TEvIndexBuilder::TEvCancelRequest>(ui64(indexBuildId), domainPath.PathString(), ui64(indexBuildId));
+}
+
 } // NSchemeShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard_import_flow_proposals.h b/ydb/core/tx/schemeshard/schemeshard_import_flow_proposals.h
index b466a5714c..a99221db35 100644
--- a/ydb/core/tx/schemeshard/schemeshard_import_flow_proposals.h
+++ b/ydb/core/tx/schemeshard/schemeshard_import_flow_proposals.h
@@ -1,50 +1,50 @@
-#pragma once 
- 
-#include "schemeshard_impl.h" 
- 
-namespace NKikimr { 
+#pragma once
+
+#include "schemeshard_impl.h"
+
+namespace NKikimr {
 namespace NSchemeShard {
- 
+
 THolder<TEvSchemeShard::TEvModifySchemeTransaction> CreateTablePropose(
     TSchemeShard* ss,
-    TTxId txId, 
-    TImportInfo::TPtr importInfo, 
-    ui32 itemIdx, 
-    TString& error 
-); 
- 
+    TTxId txId,
+    TImportInfo::TPtr importInfo,
+    ui32 itemIdx,
+    TString& error
+);
+
 THolder<TEvSchemeShard::TEvModifySchemeTransaction> CreateTablePropose(
     TSchemeShard* ss,
-    TTxId txId, 
-    TImportInfo::TPtr importInfo, 
-    ui32 itemIdx 
-); 
- 
+    TTxId txId,
+    TImportInfo::TPtr importInfo,
+    ui32 itemIdx
+);
+
 THolder<TEvSchemeShard::TEvModifySchemeTransaction> RestorePropose(
     TSchemeShard* ss,
-    TTxId txId, 
-    TImportInfo::TPtr importInfo, 
-    ui32 itemIdx 
-); 
- 
+    TTxId txId,
+    TImportInfo::TPtr importInfo,
+    ui32 itemIdx
+);
+
 THolder<TEvSchemeShard::TEvCancelTx> CancelRestorePropose(
-    TImportInfo::TPtr importInfo, 
-    TTxId restoreTxId 
-); 
- 
-THolder<TEvIndexBuilder::TEvCreateRequest> BuildIndexPropose( 
+    TImportInfo::TPtr importInfo,
+    TTxId restoreTxId
+);
+
+THolder<TEvIndexBuilder::TEvCreateRequest> BuildIndexPropose(
     TSchemeShard* ss,
-    TTxId txId, 
-    TImportInfo::TPtr importInfo, 
-    ui32 itemIdx, 
-    const TString& uid 
-); 
- 
-THolder<TEvIndexBuilder::TEvCancelRequest> CancelIndexBuildPropose( 
+    TTxId txId,
+    TImportInfo::TPtr importInfo,
+    ui32 itemIdx,
+    const TString& uid
+);
+
+THolder<TEvIndexBuilder::TEvCancelRequest> CancelIndexBuildPropose(
     TSchemeShard* ss,
-    TImportInfo::TPtr importInfo, 
-    TTxId indexBuildId 
-); 
- 
+    TImportInfo::TPtr importInfo,
+    TTxId indexBuildId
+);
+
 } // NSchemeShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard_import_helpers.h b/ydb/core/tx/schemeshard/schemeshard_import_helpers.h
index cb60634e20..3990290353 100644
--- a/ydb/core/tx/schemeshard/schemeshard_import_helpers.h
+++ b/ydb/core/tx/schemeshard/schemeshard_import_helpers.h
@@ -1,26 +1,26 @@
-#pragma once 
- 
+#pragma once
+
 #include <ydb/library/yql/public/issue/protos/issue_severity.pb.h>
- 
-#if defined LOG_T || \ 
-    defined LOG_D || \ 
-    defined LOG_I || \ 
-    defined LOG_N || \ 
-    defined LOG_W || \ 
-    defined LOG_W 
-#error log macro redefinition 
-#endif 
- 
-#define LOG_T(stream) LOG_TRACE_S(*TlsActivationContext, NKikimrServices::IMPORT, stream) 
-#define LOG_D(stream) LOG_DEBUG_S(*TlsActivationContext, NKikimrServices::IMPORT, stream) 
-#define LOG_I(stream) LOG_INFO_S(*TlsActivationContext, NKikimrServices::IMPORT, stream) 
-#define LOG_N(stream) LOG_NOTICE_S(*TlsActivationContext, NKikimrServices::IMPORT, stream) 
-#define LOG_W(stream) LOG_WARN_S(*TlsActivationContext, NKikimrServices::IMPORT, stream) 
-#define LOG_E(stream) LOG_ERROR_S(*TlsActivationContext, NKikimrServices::IMPORT, stream) 
- 
-template <typename T> 
-void AddIssue(T& response, const TString& message, NYql::TSeverityIds::ESeverityId severity = NYql::TSeverityIds::S_ERROR) { 
-    auto& issue = *response.AddIssues(); 
-    issue.set_severity(severity); 
-    issue.set_message(message); 
-} 
+
+#if defined LOG_T || \
+    defined LOG_D || \
+    defined LOG_I || \
+    defined LOG_N || \
+    defined LOG_W || \
+    defined LOG_W
+#error log macro redefinition
+#endif
+
+#define LOG_T(stream) LOG_TRACE_S(*TlsActivationContext, NKikimrServices::IMPORT, stream)
+#define LOG_D(stream) LOG_DEBUG_S(*TlsActivationContext, NKikimrServices::IMPORT, stream)
+#define LOG_I(stream) LOG_INFO_S(*TlsActivationContext, NKikimrServices::IMPORT, stream)
+#define LOG_N(stream) LOG_NOTICE_S(*TlsActivationContext, NKikimrServices::IMPORT, stream)
+#define LOG_W(stream) LOG_WARN_S(*TlsActivationContext, NKikimrServices::IMPORT, stream)
+#define LOG_E(stream) LOG_ERROR_S(*TlsActivationContext, NKikimrServices::IMPORT, stream)
+
+template <typename T>
+void AddIssue(T& response, const TString& message, NYql::TSeverityIds::ESeverityId severity = NYql::TSeverityIds::S_ERROR) {
+    auto& issue = *response.AddIssues();
+    issue.set_severity(severity);
+    issue.set_message(message);
+}
diff --git a/ydb/core/tx/schemeshard/schemeshard_import_scheme_getter.cpp b/ydb/core/tx/schemeshard/schemeshard_import_scheme_getter.cpp
index 27060076f4..e2fc78da5d 100644
--- a/ydb/core/tx/schemeshard/schemeshard_import_scheme_getter.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard_import_scheme_getter.cpp
@@ -1,204 +1,204 @@
-#include "schemeshard_import_scheme_getter.h" 
-#include "schemeshard_import_helpers.h" 
-#include "schemeshard_private.h" 
- 
+#include "schemeshard_import_scheme_getter.h"
+#include "schemeshard_import_helpers.h"
+#include "schemeshard_private.h"
+
 #include <ydb/core/wrappers/s3_wrapper.h>
 #include <ydb/public/api/protos/ydb_import.pb.h>
- 
-#include <library/cpp/actors/core/actor_bootstrapped.h> 
-#include <library/cpp/actors/core/hfunc.h> 
- 
-#include <util/string/subst.h> 
- 
-namespace NKikimr { 
+
+#include <library/cpp/actors/core/actor_bootstrapped.h>
+#include <library/cpp/actors/core/hfunc.h>
+
+#include <util/string/subst.h>
+
+namespace NKikimr {
 namespace NSchemeShard {
- 
-using namespace NWrappers; 
- 
-using namespace Aws::Auth; 
-using namespace Aws::Client; 
-using namespace Aws::S3; 
-using namespace Aws; 
- 
+
+using namespace NWrappers;
+
+using namespace Aws::Auth;
+using namespace Aws::Client;
+using namespace Aws::S3;
+using namespace Aws;
+
 class TSchemeGetter: public TActorBootstrapped<TSchemeGetter>, private TS3User {
-    static ClientConfiguration ConfigFromSettings(const Ydb::Import::ImportFromS3Settings& settings) { 
-        ClientConfiguration config; 
- 
-        config.endpointOverride = settings.endpoint(); 
-        config.verifySSL = false; 
-        config.connectTimeoutMs = 10000; 
-        config.maxConnections = 5; 
- 
-        switch (settings.scheme()) { 
-        case Ydb::Import::ImportFromS3Settings::HTTP: 
-            config.scheme = Http::Scheme::HTTP; 
-            break; 
-        case Ydb::Import::ImportFromS3Settings::HTTPS: 
-            config.scheme = Http::Scheme::HTTPS; 
-            break; 
-        default: 
-            Y_FAIL("Unknown scheme"); 
-        } 
- 
-        return config; 
-    } 
- 
-    static AWSCredentials CredentialsFromSettings(const Ydb::Import::ImportFromS3Settings& settings) { 
-        return AWSCredentials(settings.access_key(), settings.secret_key()); 
-    } 
- 
-    static TString SchemeKeyFromSettings(const Ydb::Import::ImportFromS3Settings& settings, ui32 itemIdx) { 
-        Y_VERIFY(itemIdx < (ui32)settings.items_size()); 
-        return TStringBuilder() << settings.items(itemIdx).source_prefix() << "/scheme.pb"; 
-    } 
- 
-    void HeadObject(const TString& key) { 
-        auto request = Model::HeadObjectRequest() 
-            .WithBucket(ImportInfo->Settings.bucket()) 
-            .WithKey(key); 
- 
-        Send(Client, new TEvS3Wrapper::TEvHeadObjectRequest(request)); 
-    } 
- 
-    void Handle(TEvS3Wrapper::TEvHeadObjectResponse::TPtr& ev) { 
-        const auto& result = ev->Get()->Result; 
- 
-        LOG_D("Handle TEvS3Wrapper::TEvHeadObjectResponse" 
-            << ": self# " << SelfId() 
-            << ", result# " << result); 
- 
-        if (!CheckResult(result, "HeadObject")) { 
-            return; 
-        } 
- 
-        const auto contentLength = result.GetResult().GetContentLength(); 
-        GetObject(SchemeKey, std::make_pair(0, contentLength - 1)); 
-    } 
- 
-    void GetObject(const TString& key, const std::pair<ui64, ui64>& range) { 
-        auto request = Model::GetObjectRequest() 
-            .WithBucket(ImportInfo->Settings.bucket()) 
-            .WithKey(key) 
-            .WithRange(TStringBuilder() << "bytes=" << range.first << "-" << range.second); 
- 
-        Send(Client, new TEvS3Wrapper::TEvGetObjectRequest(request)); 
-    } 
- 
-    void Handle(TEvS3Wrapper::TEvGetObjectResponse::TPtr& ev) { 
-        const auto& msg = *ev->Get(); 
-        const auto& result = msg.Result; 
- 
-        LOG_D("Handle TEvS3Wrapper::TEvGetObjectResponse" 
-            << ": self# " << SelfId() 
-            << ", result# " << result); 
- 
-        if (!CheckResult(result, "GetObject")) { 
-            return; 
-        } 
- 
-        Y_VERIFY(ItemIdx < ImportInfo->Items.size()); 
-        auto& item = ImportInfo->Items.at(ItemIdx); 
- 
-        LOG_T("Trying to parse" 
-            << ": self# " << SelfId() 
-            << ", body# " << SubstGlobalCopy(msg.Body, "\n", "\\n")); 
- 
-        if (!google::protobuf::TextFormat::ParseFromString(msg.Body, &item.Scheme)) { 
-            return Reply(false, "Cannot parse scheme"); 
-        } 
- 
-        Reply(); 
-    } 
- 
-    template <typename TResult> 
-    bool CheckResult(const TResult& result, const TStringBuf marker) { 
-        if (result.IsSuccess()) { 
-            return true; 
-        } 
- 
-        LOG_E("Error at '" << marker << "'" 
-            << ": self# " << SelfId() 
-            << ", error# " << result); 
-        MaybeRetry(result.GetError().GetMessage().c_str()); 
- 
-        return false; 
-    } 
- 
-    void MaybeRetry(const TString& error) { 
-        if (Attempt++ < Retries) { 
-            Schedule(TDuration::Minutes(1), new TEvents::TEvWakeup()); 
-        } else { 
-            Reply(false, error); 
-        } 
-    } 
- 
-    void Reply(bool success = true, const TString& error = TString()) { 
-        LOG_I("Reply" 
-            << ": self# " << SelfId() 
-            << ", success# " << success 
-            << ", error# " << error); 
- 
-        Send(ReplyTo, new TEvPrivate::TEvImportSchemeReady(ImportInfo->Id, ItemIdx, success, error)); 
-        PassAway(); 
-    } 
- 
-    void PassAway() override { 
-        Send(Client, new TEvents::TEvPoisonPill()); 
-        TActor::PassAway(); 
-    } 
- 
-public: 
-    explicit TSchemeGetter(const TActorId& replyTo, TImportInfo::TPtr importInfo, ui32 itemIdx) 
-        : ReplyTo(replyTo) 
-        , ImportInfo(importInfo) 
-        , ItemIdx(itemIdx) 
-        , Config(ConfigFromSettings(importInfo->Settings)) 
-        , Credentials(CredentialsFromSettings(importInfo->Settings)) 
-        , SchemeKey(SchemeKeyFromSettings(importInfo->Settings, itemIdx)) 
-        , Retries(importInfo->Settings.number_of_retries()) 
-    { 
-    } 
- 
-    void Bootstrap() { 
-        if (Client) { 
-            Send(Client, new TEvents::TEvPoisonPill()); 
-        } 
- 
+    static ClientConfiguration ConfigFromSettings(const Ydb::Import::ImportFromS3Settings& settings) {
+        ClientConfiguration config;
+
+        config.endpointOverride = settings.endpoint();
+        config.verifySSL = false;
+        config.connectTimeoutMs = 10000;
+        config.maxConnections = 5;
+
+        switch (settings.scheme()) {
+        case Ydb::Import::ImportFromS3Settings::HTTP:
+            config.scheme = Http::Scheme::HTTP;
+            break;
+        case Ydb::Import::ImportFromS3Settings::HTTPS:
+            config.scheme = Http::Scheme::HTTPS;
+            break;
+        default:
+            Y_FAIL("Unknown scheme");
+        }
+
+        return config;
+    }
+
+    static AWSCredentials CredentialsFromSettings(const Ydb::Import::ImportFromS3Settings& settings) {
+        return AWSCredentials(settings.access_key(), settings.secret_key());
+    }
+
+    static TString SchemeKeyFromSettings(const Ydb::Import::ImportFromS3Settings& settings, ui32 itemIdx) {
+        Y_VERIFY(itemIdx < (ui32)settings.items_size());
+        return TStringBuilder() << settings.items(itemIdx).source_prefix() << "/scheme.pb";
+    }
+
+    void HeadObject(const TString& key) {
+        auto request = Model::HeadObjectRequest()
+            .WithBucket(ImportInfo->Settings.bucket())
+            .WithKey(key);
+
+        Send(Client, new TEvS3Wrapper::TEvHeadObjectRequest(request));
+    }
+
+    void Handle(TEvS3Wrapper::TEvHeadObjectResponse::TPtr& ev) {
+        const auto& result = ev->Get()->Result;
+
+        LOG_D("Handle TEvS3Wrapper::TEvHeadObjectResponse"
+            << ": self# " << SelfId()
+            << ", result# " << result);
+
+        if (!CheckResult(result, "HeadObject")) {
+            return;
+        }
+
+        const auto contentLength = result.GetResult().GetContentLength();
+        GetObject(SchemeKey, std::make_pair(0, contentLength - 1));
+    }
+
+    void GetObject(const TString& key, const std::pair<ui64, ui64>& range) {
+        auto request = Model::GetObjectRequest()
+            .WithBucket(ImportInfo->Settings.bucket())
+            .WithKey(key)
+            .WithRange(TStringBuilder() << "bytes=" << range.first << "-" << range.second);
+
+        Send(Client, new TEvS3Wrapper::TEvGetObjectRequest(request));
+    }
+
+    void Handle(TEvS3Wrapper::TEvGetObjectResponse::TPtr& ev) {
+        const auto& msg = *ev->Get();
+        const auto& result = msg.Result;
+
+        LOG_D("Handle TEvS3Wrapper::TEvGetObjectResponse"
+            << ": self# " << SelfId()
+            << ", result# " << result);
+
+        if (!CheckResult(result, "GetObject")) {
+            return;
+        }
+
+        Y_VERIFY(ItemIdx < ImportInfo->Items.size());
+        auto& item = ImportInfo->Items.at(ItemIdx);
+
+        LOG_T("Trying to parse"
+            << ": self# " << SelfId()
+            << ", body# " << SubstGlobalCopy(msg.Body, "\n", "\\n"));
+
+        if (!google::protobuf::TextFormat::ParseFromString(msg.Body, &item.Scheme)) {
+            return Reply(false, "Cannot parse scheme");
+        }
+
+        Reply();
+    }
+
+    template <typename TResult>
+    bool CheckResult(const TResult& result, const TStringBuf marker) {
+        if (result.IsSuccess()) {
+            return true;
+        }
+
+        LOG_E("Error at '" << marker << "'"
+            << ": self# " << SelfId()
+            << ", error# " << result);
+        MaybeRetry(result.GetError().GetMessage().c_str());
+
+        return false;
+    }
+
+    void MaybeRetry(const TString& error) {
+        if (Attempt++ < Retries) {
+            Schedule(TDuration::Minutes(1), new TEvents::TEvWakeup());
+        } else {
+            Reply(false, error);
+        }
+    }
+
+    void Reply(bool success = true, const TString& error = TString()) {
+        LOG_I("Reply"
+            << ": self# " << SelfId()
+            << ", success# " << success
+            << ", error# " << error);
+
+        Send(ReplyTo, new TEvPrivate::TEvImportSchemeReady(ImportInfo->Id, ItemIdx, success, error));
+        PassAway();
+    }
+
+    void PassAway() override {
+        Send(Client, new TEvents::TEvPoisonPill());
+        TActor::PassAway();
+    }
+
+public:
+    explicit TSchemeGetter(const TActorId& replyTo, TImportInfo::TPtr importInfo, ui32 itemIdx)
+        : ReplyTo(replyTo)
+        , ImportInfo(importInfo)
+        , ItemIdx(itemIdx)
+        , Config(ConfigFromSettings(importInfo->Settings))
+        , Credentials(CredentialsFromSettings(importInfo->Settings))
+        , SchemeKey(SchemeKeyFromSettings(importInfo->Settings, itemIdx))
+        , Retries(importInfo->Settings.number_of_retries())
+    {
+    }
+
+    void Bootstrap() {
+        if (Client) {
+            Send(Client, new TEvents::TEvPoisonPill());
+        }
+
         Client = RegisterWithSameMailbox(CreateS3Wrapper(Credentials, Config));
- 
-        HeadObject(SchemeKey); 
-        Become(&TThis::StateWork); 
-    } 
- 
-    STATEFN(StateWork) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvS3Wrapper::TEvHeadObjectResponse, Handle); 
-            hFunc(TEvS3Wrapper::TEvGetObjectResponse, Handle); 
- 
-            cFunc(TEvents::TEvWakeup::EventType, Bootstrap); 
-            cFunc(TEvents::TEvPoisonPill::EventType, PassAway); 
-        } 
-    } 
- 
-private: 
-    const TActorId ReplyTo; 
-    TImportInfo::TPtr ImportInfo; 
-    const ui32 ItemIdx; 
- 
-    const ClientConfiguration Config; 
-    const AWSCredentials Credentials; 
-    const TString SchemeKey; 
- 
-    const ui32 Retries; 
-    ui32 Attempt = 0; 
- 
-    TActorId Client; 
- 
-}; // TSchemeGetter 
- 
-IActor* CreateSchemeGetter(const TActorId& replyTo, TImportInfo::TPtr importInfo, ui32 itemIdx) { 
-    return new TSchemeGetter(replyTo, importInfo, itemIdx); 
-} 
- 
+
+        HeadObject(SchemeKey);
+        Become(&TThis::StateWork);
+    }
+
+    STATEFN(StateWork) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvS3Wrapper::TEvHeadObjectResponse, Handle);
+            hFunc(TEvS3Wrapper::TEvGetObjectResponse, Handle);
+
+            cFunc(TEvents::TEvWakeup::EventType, Bootstrap);
+            cFunc(TEvents::TEvPoisonPill::EventType, PassAway);
+        }
+    }
+
+private:
+    const TActorId ReplyTo;
+    TImportInfo::TPtr ImportInfo;
+    const ui32 ItemIdx;
+
+    const ClientConfiguration Config;
+    const AWSCredentials Credentials;
+    const TString SchemeKey;
+
+    const ui32 Retries;
+    ui32 Attempt = 0;
+
+    TActorId Client;
+
+}; // TSchemeGetter
+
+IActor* CreateSchemeGetter(const TActorId& replyTo, TImportInfo::TPtr importInfo, ui32 itemIdx) {
+    return new TSchemeGetter(replyTo, importInfo, itemIdx);
+}
+
 } // NSchemeShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard_import_scheme_getter.h b/ydb/core/tx/schemeshard/schemeshard_import_scheme_getter.h
index 5899344832..24b67c7c65 100644
--- a/ydb/core/tx/schemeshard/schemeshard_import_scheme_getter.h
+++ b/ydb/core/tx/schemeshard/schemeshard_import_scheme_getter.h
@@ -1,12 +1,12 @@
-#pragma once 
- 
-#include "defs.h" 
-#include "schemeshard_info_types.h" 
- 
-namespace NKikimr { 
+#pragma once
+
+#include "defs.h"
+#include "schemeshard_info_types.h"
+
+namespace NKikimr {
 namespace NSchemeShard {
- 
-IActor* CreateSchemeGetter(const TActorId& replyTo, TImportInfo::TPtr importInfo, ui32 itemIdx); 
- 
+
+IActor* CreateSchemeGetter(const TActorId& replyTo, TImportInfo::TPtr importInfo, ui32 itemIdx);
+
 } // NSchemeShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard_import_scheme_getter_fallback.cpp b/ydb/core/tx/schemeshard/schemeshard_import_scheme_getter_fallback.cpp
index 6d0e34e74b..eefb0e9e5a 100644
--- a/ydb/core/tx/schemeshard/schemeshard_import_scheme_getter_fallback.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard_import_scheme_getter_fallback.cpp
@@ -1,36 +1,36 @@
-#include "schemeshard_import_scheme_getter.h" 
-#include "schemeshard_private.h" 
- 
-#include <library/cpp/actors/core/actor_bootstrapped.h> 
-#include <library/cpp/actors/core/hfunc.h> 
- 
-namespace NKikimr { 
+#include "schemeshard_import_scheme_getter.h"
+#include "schemeshard_private.h"
+
+#include <library/cpp/actors/core/actor_bootstrapped.h>
+#include <library/cpp/actors/core/hfunc.h>
+
+namespace NKikimr {
 namespace NSchemeShard {
- 
-class TSchemeGetterFallback: public TActorBootstrapped<TSchemeGetterFallback> { 
-public: 
-    explicit TSchemeGetterFallback(const TActorId& replyTo, TImportInfo::TPtr importInfo, ui32 itemIdx) 
-        : ReplyTo(replyTo) 
-        , ImportInfo(importInfo) 
-        , ItemIdx(itemIdx) 
-    { 
-    } 
- 
-    void Bootstrap() { 
-        Send(ReplyTo, new TEvPrivate::TEvImportSchemeReady(ImportInfo->Id, ItemIdx, false, "Imports from S3 are disabled")); 
-        PassAway(); 
-    } 
- 
-private: 
-    const TActorId ReplyTo; 
-    TImportInfo::TPtr ImportInfo; 
-    const ui32 ItemIdx; 
- 
-}; // TSchemeGetterFallback 
- 
-IActor* CreateSchemeGetter(const TActorId& replyTo, TImportInfo::TPtr importInfo, ui32 itemIdx) { 
-    return new TSchemeGetterFallback(replyTo, importInfo, itemIdx); 
-} 
- 
+
+class TSchemeGetterFallback: public TActorBootstrapped<TSchemeGetterFallback> {
+public:
+    explicit TSchemeGetterFallback(const TActorId& replyTo, TImportInfo::TPtr importInfo, ui32 itemIdx)
+        : ReplyTo(replyTo)
+        , ImportInfo(importInfo)
+        , ItemIdx(itemIdx)
+    {
+    }
+
+    void Bootstrap() {
+        Send(ReplyTo, new TEvPrivate::TEvImportSchemeReady(ImportInfo->Id, ItemIdx, false, "Imports from S3 are disabled"));
+        PassAway();
+    }
+
+private:
+    const TActorId ReplyTo;
+    TImportInfo::TPtr ImportInfo;
+    const ui32 ItemIdx;
+
+}; // TSchemeGetterFallback
+
+IActor* CreateSchemeGetter(const TActorId& replyTo, TImportInfo::TPtr importInfo, ui32 itemIdx) {
+    return new TSchemeGetterFallback(replyTo, importInfo, itemIdx);
+}
+
 } // NSchemeShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard_info_types.cpp b/ydb/core/tx/schemeshard/schemeshard_info_types.cpp
index 7f06ef0d3a..fcb564b606 100644
--- a/ydb/core/tx/schemeshard/schemeshard_info_types.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard_info_types.cpp
@@ -12,8 +12,8 @@
 
 #include <ydb/library/yql/minikql/mkql_type_ops.h>
 
-#include <util/generic/algorithm.h> 
- 
+#include <util/generic/algorithm.h>
+
 namespace NKikimr {
 namespace NSchemeShard {
 
@@ -21,8 +21,8 @@ TTableInfo::TAlterDataPtr TTableInfo::CreateAlterData(
     TPtr source,
     NKikimrSchemeOp::TTableDescription& op,
     const NScheme::TTypeRegistry& typeRegistry,
-    const TSchemeLimits& limits, const TSubDomainInfo& subDomain, 
-    TString& errStr, const THashSet<TString>& localSequences) 
+    const TSchemeLimits& limits, const TSubDomainInfo& subDomain,
+    TString& errStr, const THashSet<TString>& localSequences)
 {
     TAlterDataPtr alterData = new TTableInfo::TAlterTableInfo();
     alterData->TableDescriptionFull = NKikimrSchemeOp::TTableDescription();
@@ -53,14 +53,14 @@ TTableInfo::TAlterDataPtr TTableInfo::CreateAlterData(
 
     for (auto& col : *op.MutableColumns()) {
         TString colName = col.GetName();
- 
-        if (colName.size() > limits.MaxTableColumnNameLength) { 
-            errStr = TStringBuilder() 
-                << "Column name too long '" << colName << "'. " 
-                << "Limit: " << limits.MaxTableColumnNameLength; 
-            return nullptr; 
-        } 
- 
+
+        if (colName.size() > limits.MaxTableColumnNameLength) {
+            errStr = TStringBuilder()
+                << "Column name too long '" << colName << "'. "
+                << "Limit: " << limits.MaxTableColumnNameLength;
+            return nullptr;
+        }
+
         if (!IsValidColumnName(colName)) {
             errStr = Sprintf("Invalid name for column '%s'", colName.data());
             return nullptr;
@@ -183,42 +183,42 @@ TTableInfo::TAlterDataPtr TTableInfo::CreateAlterData(
                 errStr = Sprintf("Can't drop key column: '%s'", colName.data());
                 return nullptr;
             }
-            if (alterData->Columns[colId].DeleteVersion == alterData->AlterVersion) { 
-                errStr = Sprintf("Duplicate drop column: %s", colName.data()); 
-                return nullptr; 
-            } 
-            if (source->TTLSettings().HasEnabled() && source->TTLSettings().GetEnabled().GetColumnName() == colName) { 
-                errStr = Sprintf("Can't drop TTL column: '%s', disable TTL first ", colName.data()); 
-                return nullptr; 
-            } 
- 
+            if (alterData->Columns[colId].DeleteVersion == alterData->AlterVersion) {
+                errStr = Sprintf("Duplicate drop column: %s", colName.data());
+                return nullptr;
+            }
+            if (source->TTLSettings().HasEnabled() && source->TTLSettings().GetEnabled().GetColumnName() == colName) {
+                errStr = Sprintf("Can't drop TTL column: '%s', disable TTL first ", colName.data());
+                return nullptr;
+            }
+
             alterData->Columns[colId] = source->Columns[colId];
             alterData->Columns[colId].DeleteVersion = alterData->AlterVersion;
         }
     }
 
-    if ((colName2Id.size() - op.DropColumnsSize()) > limits.MaxTableColumns) { 
-        errStr = TStringBuilder() 
-            << "Too many columns" 
-            << ": current: " << (source ? source->Columns.size() : 0) 
-            << ", new: " << (source ? colName2Id.size() - source->Columns.size() : op.ColumnsSize()) 
-            << ", dropping: " << op.DropColumnsSize() 
-            << ". Limit: " << limits.MaxTableColumns; 
-        return nullptr; 
-    } 
- 
-    if (op.HasTTLSettings()) { 
-        const auto& ttl = op.GetTTLSettings(); 
- 
-        if (!ValidateTtlSettings(ttl, source ? source->Columns : THashMap<ui32, TColumn>(), alterData->Columns, colName2Id, subDomain, errStr)) { 
+    if ((colName2Id.size() - op.DropColumnsSize()) > limits.MaxTableColumns) {
+        errStr = TStringBuilder()
+            << "Too many columns"
+            << ": current: " << (source ? source->Columns.size() : 0)
+            << ", new: " << (source ? colName2Id.size() - source->Columns.size() : op.ColumnsSize())
+            << ", dropping: " << op.DropColumnsSize()
+            << ". Limit: " << limits.MaxTableColumns;
+        return nullptr;
+    }
+
+    if (op.HasTTLSettings()) {
+        const auto& ttl = op.GetTTLSettings();
+
+        if (!ValidateTtlSettings(ttl, source ? source->Columns : THashMap<ui32, TColumn>(), alterData->Columns, colName2Id, subDomain, errStr)) {
             return nullptr;
-        } 
- 
-        alterData->TableDescriptionFull->MutableTTLSettings()->CopyFrom(ttl); 
-    } 
- 
-    alterData->IsBackup = op.GetIsBackup(); 
- 
+        }
+
+        alterData->TableDescriptionFull->MutableTTLSettings()->CopyFrom(ttl);
+    }
+
+    alterData->IsBackup = op.GetIsBackup();
+
     if (source && op.KeyColumnNamesSize() == 0)
         return alterData;
 
@@ -249,15 +249,15 @@ TTableInfo::TAlterDataPtr TTableInfo::CreateAlterData(
         ++keyOrder;
     }
 
-    if (keyColIds.size() > limits.MaxTableKeyColumns) { 
-        errStr = TStringBuilder() 
-            << "Too many key columns" 
-            << ": current: " << (source ? source->KeyColumnIds.size() : 0) 
-            << ", new: " << keyColIds.size() 
-            << ". Limit: " << limits.MaxTableKeyColumns; 
-        return nullptr; 
-    } 
- 
+    if (keyColIds.size() > limits.MaxTableKeyColumns) {
+        errStr = TStringBuilder()
+            << "Too many key columns"
+            << ": current: " << (source ? source->KeyColumnIds.size() : 0)
+            << ", new: " << keyColIds.size()
+            << ". Limit: " << limits.MaxTableKeyColumns;
+        return nullptr;
+    }
+
     if (source) {
         // key columns reorder or deletion is not supported
         const TVector<ui32>& oldColIds = source->KeyColumnIds;
@@ -292,7 +292,7 @@ TVector<ui32> TTableInfo::FillDescription(TPathElement::TPtr pathInfo) {
     if (!TableDescription.HasPathId()) {
         TableDescription.SetName(pathInfo->Name);
         TableDescription.SetId_Deprecated(pathInfo->PathId.LocalPathId);
-        PathIdFromPathId(pathInfo->PathId, TableDescription.MutablePathId()); 
+        PathIdFromPathId(pathInfo->PathId, TableDescription.MutablePathId());
 
         for (auto& c : Columns) {
             const TColumn& column = c.second;
@@ -1191,11 +1191,11 @@ void TTableInfo::FinishAlter() {
         partitionConfig.ClearShadowData();
     }
 
-    // Apply TTL params 
-    if (AlterData->TableDescriptionFull.Defined() && AlterData->TableDescriptionFull->HasTTLSettings()) { 
-        MutableTTLSettings().Swap(AlterData->TableDescriptionFull->MutableTTLSettings()); 
-    } 
- 
+    // Apply TTL params
+    if (AlterData->TableDescriptionFull.Defined() && AlterData->TableDescriptionFull->HasTTLSettings()) {
+        MutableTTLSettings().Swap(AlterData->TableDescriptionFull->MutableTTLSettings());
+    }
+
     // Force FillDescription to regenerate TableDescription
     TableDescription.ClearId_Deprecated();
     TableDescription.ClearPathId();
@@ -1274,13 +1274,13 @@ void TTableInfo::SetPartitioning(TVector<TTableShardInfo>&& newPartitioning) {
     Stats.Aggregated = newAggregatedStats;
     Partitions.swap(newPartitioning);
     PreSerializedPathDescription.clear();
- 
-    CondEraseSchedule.clear(); 
-    InFlightCondErase.clear(); 
+
+    CondEraseSchedule.clear();
+    InFlightCondErase.clear();
     Shard2PartitionIdx.clear();
     for (ui32 i = 0; i < Partitions.size(); ++i) {
         Shard2PartitionIdx[Partitions[i].ShardIdx] = i;
-        CondEraseSchedule.push(Partitions.begin() + i); 
+        CondEraseSchedule.push(Partitions.begin() + i);
     }
 }
 
@@ -1639,90 +1639,90 @@ TChannelsMapping GetPoolsMapping(const TChannelsBindings& bindings) {
     return mapping;
 }
 
-TString TExportInfo::ToString() const { 
-    return TStringBuilder() << "{" 
-        << " Id: " << Id 
-        << " Uid: '" << Uid << "'" 
-        << " Kind: " << Kind 
-        << " DomainPathId: " << DomainPathId 
-        << " ExportPathId: " << ExportPathId 
-        << " UserSID: '" << UserSID << "'" 
-        << " State: " << State 
-        << " WaitTxId: " << WaitTxId 
-        << " Issue: '" << Issue << "'" 
-        << " Items: " << Items.size() 
-        << " PendingItems: " << PendingItems.size() 
-        << " PendingDropItems: " << PendingDropItems.size() 
-    << " }"; 
-} 
- 
-TString TExportInfo::TItem::ToString(ui32 idx) const { 
-    return TStringBuilder() << "{" 
-        << " Idx: " << idx 
-        << " SourcePathName: '" << SourcePathName << "'" 
-        << " SourcePathId: " << SourcePathId 
-        << " State: " << State 
-        << " SubState: " << SubState 
-        << " WaitTxId: " << WaitTxId 
-        << " Issue: '" << Issue << "'" 
-    << " }"; 
-} 
- 
-bool TExportInfo::TItem::IsDone(const TExportInfo::TItem& item) { 
-    return item.State == EState::Done; 
-} 
- 
-bool TExportInfo::TItem::IsDropped(const TExportInfo::TItem& item) { 
-    return item.State == EState::Dropped; 
-} 
- 
-bool TExportInfo::AllItemsAreDropped() const { 
-    return AllOf(Items, &TExportInfo::TItem::IsDropped); 
-} 
- 
+TString TExportInfo::ToString() const {
+    return TStringBuilder() << "{"
+        << " Id: " << Id
+        << " Uid: '" << Uid << "'"
+        << " Kind: " << Kind
+        << " DomainPathId: " << DomainPathId
+        << " ExportPathId: " << ExportPathId
+        << " UserSID: '" << UserSID << "'"
+        << " State: " << State
+        << " WaitTxId: " << WaitTxId
+        << " Issue: '" << Issue << "'"
+        << " Items: " << Items.size()
+        << " PendingItems: " << PendingItems.size()
+        << " PendingDropItems: " << PendingDropItems.size()
+    << " }";
+}
+
+TString TExportInfo::TItem::ToString(ui32 idx) const {
+    return TStringBuilder() << "{"
+        << " Idx: " << idx
+        << " SourcePathName: '" << SourcePathName << "'"
+        << " SourcePathId: " << SourcePathId
+        << " State: " << State
+        << " SubState: " << SubState
+        << " WaitTxId: " << WaitTxId
+        << " Issue: '" << Issue << "'"
+    << " }";
+}
+
+bool TExportInfo::TItem::IsDone(const TExportInfo::TItem& item) {
+    return item.State == EState::Done;
+}
+
+bool TExportInfo::TItem::IsDropped(const TExportInfo::TItem& item) {
+    return item.State == EState::Dropped;
+}
+
+bool TExportInfo::AllItemsAreDropped() const {
+    return AllOf(Items, &TExportInfo::TItem::IsDropped);
+}
+
 void TExportInfo::AddNotifySubscriber(const TActorId &actorId) {
     Y_VERIFY(!IsFinished());
     Subscribers.insert(actorId);
 }
 
-TString TImportInfo::ToString() const { 
-    return TStringBuilder() << "{" 
-        << " Id: " << Id 
-        << " Uid: '" << Uid << "'" 
-        << " Kind: " << Kind 
-        << " DomainPathId: " << DomainPathId 
-        << " UserSID: '" << UserSID << "'" 
-        << " State: " << State 
-        << " Issue: '" << Issue << "'" 
-        << " Items: " << Items.size() 
-    << " }"; 
-} 
- 
-TString TImportInfo::TItem::ToString(ui32 idx) const { 
-    return TStringBuilder() << "{" 
-        << " Idx: " << idx 
-        << " DstPathName: '" << DstPathName << "'" 
-        << " DstPathId: " << DstPathId 
-        << " State: " << State 
-        << " SubState: " << SubState 
-        << " WaitTxId: " << WaitTxId 
-        << " Issue: '" << Issue << "'" 
-    << " }"; 
-} 
- 
-bool TImportInfo::TItem::IsDone(const TImportInfo::TItem& item) { 
-    return item.State == EState::Done; 
-} 
- 
-bool TImportInfo::IsFinished() const { 
-    return State == EState::Done || State == EState::Cancelled; 
-} 
- 
-void TImportInfo::AddNotifySubscriber(const TActorId &actorId) { 
-    Y_VERIFY(!IsFinished()); 
-    Subscribers.insert(actorId); 
-} 
- 
+TString TImportInfo::ToString() const {
+    return TStringBuilder() << "{"
+        << " Id: " << Id
+        << " Uid: '" << Uid << "'"
+        << " Kind: " << Kind
+        << " DomainPathId: " << DomainPathId
+        << " UserSID: '" << UserSID << "'"
+        << " State: " << State
+        << " Issue: '" << Issue << "'"
+        << " Items: " << Items.size()
+    << " }";
+}
+
+TString TImportInfo::TItem::ToString(ui32 idx) const {
+    return TStringBuilder() << "{"
+        << " Idx: " << idx
+        << " DstPathName: '" << DstPathName << "'"
+        << " DstPathId: " << DstPathId
+        << " State: " << State
+        << " SubState: " << SubState
+        << " WaitTxId: " << WaitTxId
+        << " Issue: '" << Issue << "'"
+    << " }";
+}
+
+bool TImportInfo::TItem::IsDone(const TImportInfo::TItem& item) {
+    return item.State == EState::Done;
+}
+
+bool TImportInfo::IsFinished() const {
+    return State == EState::Done || State == EState::Cancelled;
+}
+
+void TImportInfo::AddNotifySubscriber(const TActorId &actorId) {
+    Y_VERIFY(!IsFinished());
+    Subscribers.insert(actorId);
+}
+
 TIndexBuildInfo::TShardStatus::TShardStatus() {
     TCell cell;
     TVector<TCell> vec = {cell};
@@ -1850,44 +1850,44 @@ const TString &TColumnFamiliesMerger::CanonizeName(const TString &familyName) {
     return familyName;
 }
 
-void TPQShardInfo::TKeyRange::SerializeToProto(NKikimrPQ::TPartitionKeyRange& proto) const { 
-    if (FromBound) { 
-        proto.SetFromBound(*FromBound); 
-    } 
- 
-    if (ToBound) { 
-        proto.SetToBound(*ToBound); 
-    } 
-} 
- 
-bool TPersQueueGroupInfo::FillKeySchema(const NKikimrPQ::TPQTabletConfig& tabletConfig, TString& error) { 
-    KeySchema.clear(); 
-    KeySchema.reserve(tabletConfig.PartitionKeySchemaSize()); 
- 
-    for (const auto& component : tabletConfig.GetPartitionKeySchema()) { 
-        if (!NScheme::NTypeIds::IsYqlType(component.GetTypeId())) { 
-            error = TStringBuilder() << "TypeId is not supported" 
-                << ": typeId# " << component.GetTypeId() 
-                << ", component# " << component.GetName(); 
-            return false; 
-        } 
- 
-        KeySchema.push_back(component.GetTypeId()); 
-    } 
- 
-    return true; 
-} 
- 
-bool TPersQueueGroupInfo::FillKeySchema(const TString& tabletConfig) { 
-    NKikimrPQ::TPQTabletConfig proto; 
-    if (!proto.ParseFromString(tabletConfig)) { 
-        return false; 
-    } 
- 
-    TString unused; 
-    return FillKeySchema(proto, unused); 
-} 
- 
+void TPQShardInfo::TKeyRange::SerializeToProto(NKikimrPQ::TPartitionKeyRange& proto) const {
+    if (FromBound) {
+        proto.SetFromBound(*FromBound);
+    }
+
+    if (ToBound) {
+        proto.SetToBound(*ToBound);
+    }
+}
+
+bool TPersQueueGroupInfo::FillKeySchema(const NKikimrPQ::TPQTabletConfig& tabletConfig, TString& error) {
+    KeySchema.clear();
+    KeySchema.reserve(tabletConfig.PartitionKeySchemaSize());
+
+    for (const auto& component : tabletConfig.GetPartitionKeySchema()) {
+        if (!NScheme::NTypeIds::IsYqlType(component.GetTypeId())) {
+            error = TStringBuilder() << "TypeId is not supported"
+                << ": typeId# " << component.GetTypeId()
+                << ", component# " << component.GetName();
+            return false;
+        }
+
+        KeySchema.push_back(component.GetTypeId());
+    }
+
+    return true;
+}
+
+bool TPersQueueGroupInfo::FillKeySchema(const TString& tabletConfig) {
+    NKikimrPQ::TPQTabletConfig proto;
+    if (!proto.ParseFromString(tabletConfig)) {
+        return false;
+    }
+
+    TString unused;
+    return FillKeySchema(proto, unused);
+}
+
 TBillingStats::TBillingStats(ui64 rows, ui64 bytes)
     : Rows(rows)
     , Bytes(bytes)
diff --git a/ydb/core/tx/schemeshard/schemeshard_info_types.h b/ydb/core/tx/schemeshard/schemeshard_info_types.h
index 568fb2a568..2e5710c3d3 100644
--- a/ydb/core/tx/schemeshard/schemeshard_info_types.h
+++ b/ydb/core/tx/schemeshard/schemeshard_info_types.h
@@ -26,8 +26,8 @@
 #include <google/protobuf/util/message_differencer.h>
 
 #include <util/generic/ptr.h>
-#include <util/generic/queue.h> 
-#include <util/generic/vector.h> 
+#include <util/generic/queue.h>
+#include <util/generic/vector.h>
 
 namespace NKikimr {
 namespace NSchemeShard {
@@ -85,18 +85,18 @@ TChannelsMapping GetPoolsMapping(const TChannelsBindings& bindings);
 struct TTableShardInfo {
     TShardIdx ShardIdx = InvalidShardIdx;
     TString EndOfRange;
-    TInstant LastCondErase; 
-    TInstant NextCondErase; 
-    mutable TMaybe<TDuration> LastCondEraseLag; 
+    TInstant LastCondErase;
+    TInstant NextCondErase;
+    mutable TMaybe<TDuration> LastCondEraseLag;
 
     // TODO: remove this ctor. It's used for vector.resize() that is not clear.
     TTableShardInfo() = default;
 
-    TTableShardInfo(const TShardIdx& idx, TString rangeEnd, ui64 lastCondErase = 0, ui64 nextCondErase = 0) 
+    TTableShardInfo(const TShardIdx& idx, TString rangeEnd, ui64 lastCondErase = 0, ui64 nextCondErase = 0)
         : ShardIdx(idx)
         , EndOfRange(rangeEnd)
-        , LastCondErase(TInstant::FromValue(lastCondErase)) 
-        , NextCondErase(TInstant::FromValue(nextCondErase)) 
+        , LastCondErase(TInstant::FromValue(lastCondErase))
+        , NextCondErase(TInstant::FromValue(nextCondErase))
     {}
 };
 
@@ -165,8 +165,8 @@ struct TPartitionConfigMerger {
 
 };
 
-struct TSubDomainInfo; 
- 
+struct TSubDomainInfo;
+
 struct TTableInfo : public TSimpleRefCount<TTableInfo> {
     using TPtr = TIntrusivePtr<TTableInfo>;
     using TCPtr = TIntrusiveConstPtr<TTableInfo>;
@@ -194,17 +194,17 @@ struct TTableInfo : public TSimpleRefCount<TTableInfo> {
         bool IsDropped() const { return DeleteVersion != Max<ui64>(); }
     };
 
-    struct TBackupRestoreResult { 
-        enum class EKind: ui8 { 
-            Backup = 0, 
-            Restore, 
-        }; 
- 
-        ui64 StartDateTime; // seconds 
-        ui64 CompletionDateTime; // seconds 
+    struct TBackupRestoreResult {
+        enum class EKind: ui8 {
+            Backup = 0,
+            Restore,
+        };
+
+        ui64 StartDateTime; // seconds
+        ui64 CompletionDateTime; // seconds
         ui32 TotalShardCount;
-        ui32 SuccessShardCount; 
-        THashMap<TShardIdx, TTxState::TShardStatus> ShardStatuses; 
+        ui32 SuccessShardCount;
+        THashMap<TShardIdx, TTxState::TShardStatus> ShardStatuses;
         ui64 DataTotalSize;
     };
 
@@ -318,7 +318,7 @@ struct TTableInfo : public TSimpleRefCount<TTableInfo> {
         ui64 AlterVersion = 0;
         THashMap<ui32, TColumn> Columns;
         TVector<ui32> KeyColumnIds;
-        bool IsBackup = false; 
+        bool IsBackup = false;
 
         NKikimrSchemeOp::TTableDescription TableDescriptionDiff;
         TMaybeFail<NKikimrSchemeOp::TTableDescription> TableDescriptionFull;
@@ -358,10 +358,10 @@ struct TTableInfo : public TSimpleRefCount<TTableInfo> {
 
     ui32 NextColumnId = 1;          // Next unallocated column id
     ui64 AlterVersion = 0;
-    ui64 PartitioningVersion = 0; 
+    ui64 PartitioningVersion = 0;
     THashMap<ui32, TColumn> Columns;
     TVector<ui32> KeyColumnIds;
-    bool IsBackup = false; 
+    bool IsBackup = false;
 
     TAlterTableInfo::TPtr AlterData;
 
@@ -369,9 +369,9 @@ struct TTableInfo : public TSimpleRefCount<TTableInfo> {
 
     NKikimrSchemeOp::TBackupTask BackupSettings;
     NKikimrSchemeOp::TRestoreTask RestoreSettings;
-    TMap<TTxId, TBackupRestoreResult> BackupHistory; 
-    TMap<TTxId, TBackupRestoreResult> RestoreHistory; 
- 
+    TMap<TTxId, TBackupRestoreResult> BackupHistory;
+    TMap<TTxId, TBackupRestoreResult> RestoreHistory;
+
     TString PreSerializedPathDescription;
 
     THashMap<TShardIdx, NKikimrSchemeOp::TPartitionConfig> PerShardPartitionConfig;
@@ -379,52 +379,52 @@ struct TTableInfo : public TSimpleRefCount<TTableInfo> {
     const NKikimrSchemeOp::TPartitionConfig& PartitionConfig() const { return TableDescription.GetPartitionConfig(); }
     NKikimrSchemeOp::TPartitionConfig& MutablePartitionConfig() { return *TableDescription.MutablePartitionConfig(); }
 
-    bool HasTTLSettings() const { return TableDescription.HasTTLSettings(); } 
+    bool HasTTLSettings() const { return TableDescription.HasTTLSettings(); }
     const NKikimrSchemeOp::TTTLSettings& TTLSettings() const { return TableDescription.GetTTLSettings(); }
-    bool IsTTLEnabled() const { return HasTTLSettings() && TTLSettings().HasEnabled(); } 
- 
+    bool IsTTLEnabled() const { return HasTTLSettings() && TTLSettings().HasEnabled(); }
+
     NKikimrSchemeOp::TTTLSettings& MutableTTLSettings() {
-        TTLColumnId.Clear(); 
-        return *TableDescription.MutableTTLSettings(); 
-    } 
- 
-    ui32 GetTTLColumnId() const { 
-        if (!IsTTLEnabled()) { 
-            return Max<ui32>(); 
-        } 
- 
-        if (!TTLColumnId) { 
-            for (const auto& [id, col] : Columns) { 
-                if (!col.IsDropped() && col.Name == TTLSettings().GetEnabled().GetColumnName()) { 
-                    TTLColumnId = id; 
-                    break; 
-                } 
-            } 
-        } 
- 
-        if (!TTLColumnId) { 
-            TTLColumnId = Max<ui32>(); 
-        } 
- 
-        return *TTLColumnId; 
-    } 
- 
+        TTLColumnId.Clear();
+        return *TableDescription.MutableTTLSettings();
+    }
+
+    ui32 GetTTLColumnId() const {
+        if (!IsTTLEnabled()) {
+            return Max<ui32>();
+        }
+
+        if (!TTLColumnId) {
+            for (const auto& [id, col] : Columns) {
+                if (!col.IsDropped() && col.Name == TTLSettings().GetEnabled().GetColumnName()) {
+                    TTLColumnId = id;
+                    break;
+                }
+            }
+        }
+
+        if (!TTLColumnId) {
+            TTLColumnId = Max<ui32>();
+        }
+
+        return *TTLColumnId;
+    }
+
 private:
-    using TPartitionsVec = TVector<TTableShardInfo>; 
- 
-    struct TSortByNextCondErase { 
-        using TIterator = TPartitionsVec::iterator; 
- 
-        bool operator()(TIterator left, TIterator right) const { 
-            return left->NextCondErase > right->NextCondErase; 
-        } 
-    }; 
- 
-    TPartitionsVec Partitions; 
+    using TPartitionsVec = TVector<TTableShardInfo>;
+
+    struct TSortByNextCondErase {
+        using TIterator = TPartitionsVec::iterator;
+
+        bool operator()(TIterator left, TIterator right) const {
+            return left->NextCondErase > right->NextCondErase;
+        }
+    };
+
+    TPartitionsVec Partitions;
     THashMap<TShardIdx, ui64> Shard2PartitionIdx; // shardIdx -> index in Partitions
-    TPriorityQueue<TPartitionsVec::iterator, TVector<TPartitionsVec::iterator>, TSortByNextCondErase> CondEraseSchedule; 
-    THashSet<TShardIdx> InFlightCondErase; 
-    mutable TMaybe<ui32> TTLColumnId; 
+    TPriorityQueue<TPartitionsVec::iterator, TVector<TPartitionsVec::iterator>, TSortByNextCondErase> CondEraseSchedule;
+    THashSet<TShardIdx> InFlightCondErase;
+    mutable TMaybe<ui32> TTLColumnId;
     THashSet<TOperationId> SplitOpsInFlight;
     THashMap<TOperationId, TVector<TShardIdx>> ShardsInSplitMergeByOpId;
     THashMap<TShardIdx, TOperationId> ShardsInSplitMergeByShards;
@@ -432,20 +432,20 @@ private:
     TStats Stats;
     bool ShardsStatsDetached = false;
 
-    TPartitionsVec::iterator FindPartition(const TShardIdx& shardIdx) { 
-        auto it = Shard2PartitionIdx.find(shardIdx); 
-        if (it == Shard2PartitionIdx.end()) { 
-            return Partitions.end(); 
-        } 
- 
-        const auto partitionIdx = it->second; 
-        if (partitionIdx >= Partitions.size()) { 
-            return Partitions.end(); 
-        } 
- 
-        return Partitions.begin() + partitionIdx; 
-    } 
- 
+    TPartitionsVec::iterator FindPartition(const TShardIdx& shardIdx) {
+        auto it = Shard2PartitionIdx.find(shardIdx);
+        if (it == Shard2PartitionIdx.end()) {
+            return Partitions.end();
+        }
+
+        const auto partitionIdx = it->second;
+        if (partitionIdx >= Partitions.size()) {
+            return Partitions.end();
+        }
+
+        return Partitions.begin() + partitionIdx;
+    }
+
 public:
     TTableInfo() = default;
 
@@ -454,7 +454,7 @@ public:
         , AlterVersion(alterData.AlterVersion)
         , Columns(std::move(alterData.Columns))
         , KeyColumnIds(std::move(alterData.KeyColumnIds))
-        , IsBackup(alterData.IsBackup) 
+        , IsBackup(alterData.IsBackup)
     {
         TableDescription.Swap(alterData.TableDescriptionFull.Get());
     }
@@ -463,8 +463,8 @@ public:
         TPtr source,
         NKikimrSchemeOp::TTableDescription& descr,
         const NScheme::TTypeRegistry& typeRegistry,
-        const TSchemeLimits& limits, const TSubDomainInfo& subDomain, 
-        TString& errStr, const THashSet<TString>& localSequences = {}); 
+        const TSchemeLimits& limits, const TSubDomainInfo& subDomain,
+        TString& errStr, const THashSet<TString>& localSequences = {});
 
     static ui32 ShardsToCreate(const NKikimrSchemeOp::TTableDescription& descr) {
         if (descr.HasUniformPartitionsCount()) {
@@ -639,50 +639,50 @@ public:
                    PartitionConfig().GetFollowerGroups(),
                    AlterData->PartitionConfigCompatible().GetFollowerGroups());
     }
- 
-    const TTableShardInfo* GetScheduledCondEraseShard() const { 
-        if (CondEraseSchedule.empty()) { 
-            return nullptr; 
-        } 
- 
-        return CondEraseSchedule.top(); 
-    } 
- 
-    const THashSet<TShardIdx>& GetInFlightCondErase() const { 
-        return InFlightCondErase; 
-    } 
- 
-    void AddInFlightCondErase(const TShardIdx& shardIdx) { 
-        const auto* shardInfo = GetScheduledCondEraseShard(); 
-        Y_VERIFY(shardInfo && shardIdx == shardInfo->ShardIdx); 
- 
-        InFlightCondErase.insert(shardIdx); 
-        CondEraseSchedule.pop(); 
-    } 
- 
-    void RescheduleCondErase(const TShardIdx& shardIdx) { 
-        Y_VERIFY(InFlightCondErase.contains(shardIdx)); 
- 
-        auto it = FindPartition(shardIdx); 
-        Y_VERIFY(it != Partitions.end()); 
- 
-        CondEraseSchedule.push(it); 
-        InFlightCondErase.erase(shardIdx); 
-    } 
- 
-    void ScheduleNextCondErase(const TShardIdx& shardIdx, const TInstant& now, const TDuration& next) { 
-        Y_VERIFY(InFlightCondErase.contains(shardIdx)); 
- 
-        auto it = FindPartition(shardIdx); 
-        Y_VERIFY(it != Partitions.end()); 
- 
-        it->LastCondErase = now; 
-        it->NextCondErase = now + next; 
-        it->LastCondEraseLag = TDuration::Zero(); 
- 
-        CondEraseSchedule.push(it); 
-        InFlightCondErase.erase(shardIdx); 
-    } 
+
+    const TTableShardInfo* GetScheduledCondEraseShard() const {
+        if (CondEraseSchedule.empty()) {
+            return nullptr;
+        }
+
+        return CondEraseSchedule.top();
+    }
+
+    const THashSet<TShardIdx>& GetInFlightCondErase() const {
+        return InFlightCondErase;
+    }
+
+    void AddInFlightCondErase(const TShardIdx& shardIdx) {
+        const auto* shardInfo = GetScheduledCondEraseShard();
+        Y_VERIFY(shardInfo && shardIdx == shardInfo->ShardIdx);
+
+        InFlightCondErase.insert(shardIdx);
+        CondEraseSchedule.pop();
+    }
+
+    void RescheduleCondErase(const TShardIdx& shardIdx) {
+        Y_VERIFY(InFlightCondErase.contains(shardIdx));
+
+        auto it = FindPartition(shardIdx);
+        Y_VERIFY(it != Partitions.end());
+
+        CondEraseSchedule.push(it);
+        InFlightCondErase.erase(shardIdx);
+    }
+
+    void ScheduleNextCondErase(const TShardIdx& shardIdx, const TInstant& now, const TDuration& next) {
+        Y_VERIFY(InFlightCondErase.contains(shardIdx));
+
+        auto it = FindPartition(shardIdx);
+        Y_VERIFY(it != Partitions.end());
+
+        it->LastCondErase = now;
+        it->NextCondErase = now + next;
+        it->LastCondEraseLag = TDuration::Zero();
+
+        CondEraseSchedule.push(it);
+        InFlightCondErase.erase(shardIdx);
+    }
 
     bool IsUsingSequence(const TString& name) {
         for (const auto& pr : Columns) {
@@ -812,20 +812,20 @@ struct TOlapTableInfo : TSimpleRefCount<TOlapTableInfo> {
 
 struct TPQShardInfo : TSimpleRefCount<TPQShardInfo> {
     using TPtr = TIntrusivePtr<TPQShardInfo>;
-    using TKeySchema = TVector<NScheme::TTypeId>; 
-
-    struct TKeyRange { 
-        TMaybe<TString> FromBound; 
-        TMaybe<TString> ToBound; 
- 
-        void SerializeToProto(NKikimrPQ::TPartitionKeyRange& proto) const; 
-    }; 
- 
+    using TKeySchema = TVector<NScheme::TTypeId>;
+
+    struct TKeyRange {
+        TMaybe<TString> FromBound;
+        TMaybe<TString> ToBound;
+
+        void SerializeToProto(NKikimrPQ::TPartitionKeyRange& proto) const;
+    };
+
     struct TPersQueueInfo {
         ui32 PqId = 0;
         ui32 GroupId = 0;
         ui64 AlterVersion = 0;
-        TMaybe<TKeyRange> KeyRange; 
+        TMaybe<TKeyRange> KeyRange;
     };
 
     TVector<TPersQueueInfo> PQInfos;
@@ -940,54 +940,54 @@ struct TShardInfo {
     static TShardInfo SequenceShardInfo(TTxId txId, TPathId pathId) {
         return TShardInfo(txId, pathId, ETabletType::SequenceShard);
     }
- 
-    static TShardInfo ReplicationControllerInfo(TTxId txId, TPathId pathId) { 
-        return TShardInfo(txId, pathId, ETabletType::ReplicationController); 
-    } 
+
+    static TShardInfo ReplicationControllerInfo(TTxId txId, TPathId pathId) {
+        return TShardInfo(txId, pathId, ETabletType::ReplicationController);
+    }
 };
 
 struct TPersQueueGroupInfo : TSimpleRefCount<TPersQueueGroupInfo> {
     using TPtr = TIntrusivePtr<TPersQueueGroupInfo>;
-    using TKeySchema = TPQShardInfo::TKeySchema; 
-
-    struct TPartitionToAdd { 
-        using TKeyRange = TPQShardInfo::TKeyRange; 
- 
-        ui32 PartitionId; 
-        ui32 GroupId; 
-        TMaybe<TKeyRange> KeyRange; 
- 
-        explicit TPartitionToAdd(ui32 partitionId, ui32 groupId, const TMaybe<TKeyRange>& keyRange = Nothing()) 
-            : PartitionId(partitionId) 
-            , GroupId(groupId) 
-            , KeyRange(keyRange) 
-        { 
-        } 
- 
-        bool operator==(const TPartitionToAdd& rhs) const { 
-            return PartitionId == rhs.PartitionId 
-                && GroupId == rhs.GroupId; 
-        } 
- 
-        struct THash { 
-            inline size_t operator()(const TPartitionToAdd& obj) const { 
-                const ::THash<ui32> hashFn; 
-                return CombineHashes(hashFn(obj.PartitionId), hashFn(obj.GroupId)); 
-            } 
-        }; 
-    }; 
- 
+    using TKeySchema = TPQShardInfo::TKeySchema;
+
+    struct TPartitionToAdd {
+        using TKeyRange = TPQShardInfo::TKeyRange;
+
+        ui32 PartitionId;
+        ui32 GroupId;
+        TMaybe<TKeyRange> KeyRange;
+
+        explicit TPartitionToAdd(ui32 partitionId, ui32 groupId, const TMaybe<TKeyRange>& keyRange = Nothing())
+            : PartitionId(partitionId)
+            , GroupId(groupId)
+            , KeyRange(keyRange)
+        {
+        }
+
+        bool operator==(const TPartitionToAdd& rhs) const {
+            return PartitionId == rhs.PartitionId
+                && GroupId == rhs.GroupId;
+        }
+
+        struct THash {
+            inline size_t operator()(const TPartitionToAdd& obj) const {
+                const ::THash<ui32> hashFn;
+                return CombineHashes(hashFn(obj.PartitionId), hashFn(obj.GroupId));
+            }
+        };
+    };
+
     ui64 TotalGroupCount = 0;
     ui64 TotalPartitionCount = 0;
     ui32 NextPartitionId = 0;
-    THashSet<TPartitionToAdd, TPartitionToAdd::THash> PartitionsToAdd; 
+    THashSet<TPartitionToAdd, TPartitionToAdd::THash> PartitionsToAdd;
     THashSet<ui32> PartitionsToDelete;
     ui32 MaxPartsPerTablet = 0;
     ui64 AlterVersion = 0;
     TString TabletConfig;
-    TString BootstrapConfig; 
+    TString BootstrapConfig;
     THashMap<TShardIdx, TPQShardInfo::TPtr> Shards; // key - shardIdx
-    TKeySchema KeySchema; 
+    TKeySchema KeySchema;
     TPersQueueGroupInfo::TPtr AlterData; // changes to be applyed
     TTabletId BalancerTabletID = InvalidTabletId;
     TShardIdx BalancerShardIdx = InvalidShardIdx;
@@ -995,9 +995,9 @@ struct TPersQueueGroupInfo : TSimpleRefCount<TPersQueueGroupInfo> {
     TString PreSerializedPathDescription; // Cached path description
     TString PreSerializedPartitionsDescription; // Cached partition description
 
-    bool FillKeySchema(const NKikimrPQ::TPQTabletConfig& tabletConfig, TString& error); 
-    bool FillKeySchema(const TString& tabletConfig); 
- 
+    bool FillKeySchema(const NKikimrPQ::TPQTabletConfig& tabletConfig, TString& error);
+    bool FillKeySchema(const TString& tabletConfig);
+
     bool HasBalancer() const { return bool(BalancerTabletID); }
 
     ui32 GetTotalPartitionCountWithAlter() const {
@@ -1032,7 +1032,7 @@ struct TPersQueueGroupInfo : TSimpleRefCount<TPersQueueGroupInfo> {
         Y_VERIFY(alterData->TotalPartitionCount);
         Y_VERIFY(alterData->NextPartitionId);
         Y_VERIFY(alterData->MaxPartsPerTablet);
-        alterData->KeySchema = KeySchema; 
+        alterData->KeySchema = KeySchema;
         alterData->BalancerTabletID = BalancerTabletID;
         alterData->BalancerShardIdx = BalancerShardIdx;
         AlterData = alterData;
@@ -1050,7 +1050,7 @@ struct TPersQueueGroupInfo : TSimpleRefCount<TPersQueueGroupInfo> {
         Y_VERIFY(BalancerTabletID == AlterData->BalancerTabletID || !HasBalancer());
         Y_VERIFY(AlterData->HasBalancer());
         Y_VERIFY(AlterData->BalancerShardIdx);
-        KeySchema = AlterData->KeySchema; 
+        KeySchema = AlterData->KeySchema;
         BalancerTabletID = AlterData->BalancerTabletID;
         BalancerShardIdx = AlterData->BalancerShardIdx;
         AlterData.Reset();
@@ -1134,14 +1134,14 @@ struct TSubDomainInfo: TSimpleRefCount<TSubDomainInfo> {
     using TPtr = TIntrusivePtr<TSubDomainInfo>;
     using TConstPtr = TIntrusiveConstPtr<TSubDomainInfo>;
 
-    struct TDiskSpaceUsage { 
-        struct TTables { 
-            ui64 TotalSize = 0; 
-            ui64 DataSize = 0; 
-            ui64 IndexSize = 0; 
-        } Tables; 
-    }; 
- 
+    struct TDiskSpaceUsage {
+        struct TTables {
+            ui64 TotalSize = 0;
+            ui64 DataSize = 0;
+            ui64 IndexSize = 0;
+        } Tables;
+    };
+
     struct TDiskSpaceQuotas {
         ui64 HardQuota;
         ui64 SoftQuota;
@@ -1152,18 +1152,18 @@ struct TSubDomainInfo: TSimpleRefCount<TSubDomainInfo> {
     };
 
     TSubDomainInfo() = default;
-    explicit TSubDomainInfo(ui64 version, const TPathId& resourcesDomainId) 
+    explicit TSubDomainInfo(ui64 version, const TPathId& resourcesDomainId)
     {
         ProcessingParams.SetVersion(version);
-        ResourcesDomainId = resourcesDomainId; 
+        ResourcesDomainId = resourcesDomainId;
     }
 
-    TSubDomainInfo(ui64 version, ui64 resolution, ui32 bucketsPerMediator, const TPathId& resourcesDomainId) 
+    TSubDomainInfo(ui64 version, ui64 resolution, ui32 bucketsPerMediator, const TPathId& resourcesDomainId)
     {
         ProcessingParams.SetVersion(version);
         ProcessingParams.SetPlanResolution(resolution);
         ProcessingParams.SetTimeCastBucketsPerMediator(bucketsPerMediator);
-        ResourcesDomainId = resourcesDomainId; 
+        ResourcesDomainId = resourcesDomainId;
     }
 
     TSubDomainInfo(const TSubDomainInfo& other
@@ -1226,22 +1226,22 @@ struct TSubDomainInfo: TSimpleRefCount<TSubDomainInfo> {
         ProcessingParams.SetVersion(subDomainVersion);
     }
 
-    TPathId GetResourcesDomainId() const { 
-        return ResourcesDomainId; 
-    } 
- 
-    void SetResourcesDomainId(const TPathId& domainId) { 
-        ResourcesDomainId = domainId; 
-    } 
- 
-    TTabletId GetSharedHive() const { 
-        return SharedHive; 
-    } 
- 
-    void SetSharedHive(const TTabletId& hiveId) { 
-        SharedHive = hiveId; 
-    } 
- 
+    TPathId GetResourcesDomainId() const {
+        return ResourcesDomainId;
+    }
+
+    void SetResourcesDomainId(const TPathId& domainId) {
+        ResourcesDomainId = domainId;
+    }
+
+    TTabletId GetSharedHive() const {
+        return SharedHive;
+    }
+
+    void SetSharedHive(const TTabletId& hiveId) {
+        SharedHive = hiveId;
+    }
+
     ui64 GetPlanResolution() const {
         return ProcessingParams.GetPlanResolution();
     }
@@ -1338,7 +1338,7 @@ struct TSubDomainInfo: TSimpleRefCount<TSubDomainInfo> {
 
     void ActualizeAlterData(const THashMap<TShardIdx, TShardInfo>& allShards, TInstant now, bool isExternal, IQuotaCounters* counters) {
         Y_VERIFY(AlterData);
- 
+
         AlterData->SetPathsInside(GetPathsInside());
         AlterData->InternalShards.swap(InternalShards);
         AlterData->Initialize(allShards);
@@ -1377,20 +1377,20 @@ struct TSubDomainInfo: TSimpleRefCount<TSubDomainInfo> {
         return DatabaseQuotas ? DatabaseQuotas->data_stream_reserved_storage_quota() : 0;
     }
 
-    TDuration GetTtlMinRunInterval() const { 
-        static constexpr auto TtlMinRunInterval = TDuration::Minutes(15); 
- 
-        if (!DatabaseQuotas) { 
-            return TtlMinRunInterval; 
-        } 
- 
-        if (!DatabaseQuotas->ttl_min_run_internal_seconds()) { 
-            return TtlMinRunInterval; 
-        } 
- 
-        return TDuration::Seconds(DatabaseQuotas->ttl_min_run_internal_seconds()); 
-    } 
- 
+    TDuration GetTtlMinRunInterval() const {
+        static constexpr auto TtlMinRunInterval = TDuration::Minutes(15);
+
+        if (!DatabaseQuotas) {
+            return TtlMinRunInterval;
+        }
+
+        if (!DatabaseQuotas->ttl_min_run_internal_seconds()) {
+            return TtlMinRunInterval;
+        }
+
+        return TDuration::Seconds(DatabaseQuotas->ttl_min_run_internal_seconds());
+    }
+
     TDiskSpaceQuotas GetDiskSpaceQuotas() const {
         ui64 hardQuota = DatabaseQuotas ? DatabaseQuotas->data_size_hard_quota() : 0;
         ui64 softQuota = DatabaseQuotas ? DatabaseQuotas->data_size_soft_quota() : 0;
@@ -1547,20 +1547,20 @@ struct TSubDomainInfo: TSimpleRefCount<TSubDomainInfo> {
         SequenceShards.erase(it);
     }
 
-    const THashSet<TShardIdx>& GetReplicationControllers() const { 
-        return ReplicationControllers; 
-    } 
- 
-    void AddReplicationController(const TShardIdx& shardIdx) { 
-        ReplicationControllers.insert(shardIdx); 
-    } 
- 
-    void RemoveReplicationController(const TShardIdx& shardIdx) { 
-        auto it = ReplicationControllers.find(shardIdx); 
-        Y_VERIFY_S(it != ReplicationControllers.end(), "shardIdx: " << shardIdx); 
-        ReplicationControllers.erase(it); 
-    } 
- 
+    const THashSet<TShardIdx>& GetReplicationControllers() const {
+        return ReplicationControllers;
+    }
+
+    void AddReplicationController(const TShardIdx& shardIdx) {
+        ReplicationControllers.insert(shardIdx);
+    }
+
+    void RemoveReplicationController(const TShardIdx& shardIdx) {
+        auto it = ReplicationControllers.find(shardIdx);
+        Y_VERIFY_S(it != ReplicationControllers.end(), "shardIdx: " << shardIdx);
+        ReplicationControllers.erase(it);
+    }
+
     const NKikimrSubDomains::TProcessingParams& GetProcessingParams() const {
         return ProcessingParams;
     }
@@ -1629,22 +1629,22 @@ struct TSubDomainInfo: TSimpleRefCount<TSubDomainInfo> {
     }
 
     void AggrDiskSpaceUsage(IQuotaCounters* counters, const TTableInfo::TPartitionStats& newAggr, const TTableInfo::TPartitionStats& oldAggr = TTableInfo::TPartitionStats()) {
-        DiskSpaceUsage.Tables.DataSize += (newAggr.DataSize - oldAggr.DataSize); 
+        DiskSpaceUsage.Tables.DataSize += (newAggr.DataSize - oldAggr.DataSize);
         counters->ChangeDiskSpaceTablesDataBytes(newAggr.DataSize - oldAggr.DataSize);
 
-        DiskSpaceUsage.Tables.IndexSize += (newAggr.IndexSize - oldAggr.IndexSize); 
+        DiskSpaceUsage.Tables.IndexSize += (newAggr.IndexSize - oldAggr.IndexSize);
         counters->ChangeDiskSpaceTablesIndexBytes(newAggr.IndexSize - oldAggr.IndexSize);
 
         i64 oldTotalBytes = DiskSpaceUsage.Tables.TotalSize;
-        DiskSpaceUsage.Tables.TotalSize = DiskSpaceUsage.Tables.DataSize + DiskSpaceUsage.Tables.IndexSize; 
+        DiskSpaceUsage.Tables.TotalSize = DiskSpaceUsage.Tables.DataSize + DiskSpaceUsage.Tables.IndexSize;
         i64 newTotalBytes = DiskSpaceUsage.Tables.TotalSize;
         counters->ChangeDiskSpaceTablesTotalBytes(newTotalBytes - oldTotalBytes);
-    } 
- 
-    const TDiskSpaceUsage& GetDiskSpaceUsage() const { 
-        return DiskSpaceUsage; 
-    } 
- 
+    }
+
+    const TDiskSpaceUsage& GetDiskSpaceUsage() const {
+        return DiskSpaceUsage;
+    }
+
     const TMaybe<NKikimrSubDomains::TSchemeQuotas>& GetDeclaredSchemeQuotas() const {
         return DeclaredSchemeQuotas;
     }
@@ -1793,18 +1793,18 @@ private:
     TSchemeQuotas SchemeQuotas;
 
     ui64 PathsInsideCount = 0;
-    TDiskSpaceUsage DiskSpaceUsage; 
+    TDiskSpaceUsage DiskSpaceUsage;
 
     THashSet<TShardIdx> InternalShards;
     THashSet<TShardIdx> SequenceShards;
-    THashSet<TShardIdx> ReplicationControllers; 
+    THashSet<TShardIdx> ReplicationControllers;
 
     ui64 PQPartitionsInsideCount = 0;
     ui64 PQReservedStorage = 0;
 
-    TPathId ResourcesDomainId; 
-    TTabletId SharedHive = InvalidTabletId; 
- 
+    TPathId ResourcesDomainId;
+    TTabletId SharedHive = InvalidTabletId;
+
     NLoginProto::TSecurityState SecurityState;
     ui64 SecurityStateVersion = 0;
 
@@ -2099,46 +2099,46 @@ struct TTableIndexInfo : public TSimpleRefCount<TTableIndexInfo> {
     TTableIndexInfo::TPtr AlterData = nullptr;
 };
 
-struct TCdcStreamInfo : public TSimpleRefCount<TCdcStreamInfo> { 
-    using TPtr = TIntrusivePtr<TCdcStreamInfo>; 
+struct TCdcStreamInfo : public TSimpleRefCount<TCdcStreamInfo> {
+    using TPtr = TIntrusivePtr<TCdcStreamInfo>;
     using EMode = NKikimrSchemeOp::ECdcStreamMode;
     using EState = NKikimrSchemeOp::ECdcStreamState;
- 
-    TCdcStreamInfo(ui64 version, EMode mode, EState state) 
-        : AlterVersion(version) 
-        , Mode(mode) 
-        , State(state) 
-    {} 
- 
-    TCdcStreamInfo(const TCdcStreamInfo&) = default; 
- 
-    TPtr CreateNextVersion() { 
-        Y_VERIFY(AlterData == nullptr); 
-        TPtr result = new TCdcStreamInfo(*this); 
-        ++result->AlterVersion; 
-        this->AlterData = result; 
-        return result; 
-    } 
- 
-    static TPtr New(EMode mode) { 
-        return new TCdcStreamInfo(0, mode, EState::ECdcStreamStateInvalid); 
-    } 
- 
+
+    TCdcStreamInfo(ui64 version, EMode mode, EState state)
+        : AlterVersion(version)
+        , Mode(mode)
+        , State(state)
+    {}
+
+    TCdcStreamInfo(const TCdcStreamInfo&) = default;
+
+    TPtr CreateNextVersion() {
+        Y_VERIFY(AlterData == nullptr);
+        TPtr result = new TCdcStreamInfo(*this);
+        ++result->AlterVersion;
+        this->AlterData = result;
+        return result;
+    }
+
+    static TPtr New(EMode mode) {
+        return new TCdcStreamInfo(0, mode, EState::ECdcStreamStateInvalid);
+    }
+
     static TPtr Create(const NKikimrSchemeOp::TCdcStreamDescription& desc) {
-        TPtr result = New(desc.GetMode()); 
-        TPtr alterData = result->CreateNextVersion(); 
-        alterData->State = EState::ECdcStreamStateReady; 
- 
-        return result; 
-    } 
- 
-    ui64 AlterVersion = 1; 
-    EMode Mode; 
-    EState State; 
- 
-    TCdcStreamInfo::TPtr AlterData = nullptr; 
-}; 
- 
+        TPtr result = New(desc.GetMode());
+        TPtr alterData = result->CreateNextVersion();
+        alterData->State = EState::ECdcStreamStateReady;
+
+        return result;
+    }
+
+    ui64 AlterVersion = 1;
+    EMode Mode;
+    EState State;
+
+    TCdcStreamInfo::TPtr AlterData = nullptr;
+};
+
 struct TSequenceInfo : public TSimpleRefCount<TSequenceInfo> {
     using TPtr = TIntrusivePtr<TSequenceInfo>;
 
@@ -2169,289 +2169,289 @@ struct TSequenceInfo : public TSimpleRefCount<TSequenceInfo> {
     ui64 SequenceShard = 0;
 };
 
-struct TReplicationInfo : public TSimpleRefCount<TReplicationInfo> { 
-    using TPtr = TIntrusivePtr<TReplicationInfo>; 
- 
-    TReplicationInfo(ui64 alterVersion) 
-        : AlterVersion(alterVersion) 
-    { 
-    } 
- 
-    TReplicationInfo(ui64 alterVersion, NKikimrSchemeOp::TReplicationDescription&& desc) 
-        : AlterVersion(alterVersion) 
-        , Description(std::move(desc)) 
-    { 
-    } 
- 
-    TPtr CreateNextVersion() { 
-        Y_VERIFY(AlterData == nullptr); 
- 
-        TPtr result = new TReplicationInfo(*this); 
-        ++result->AlterVersion; 
-        this->AlterData = result; 
- 
-        return result; 
-    } 
- 
-    static TPtr New() { 
-        return new TReplicationInfo(0); 
-    } 
- 
-    static TPtr Create(NKikimrSchemeOp::TReplicationDescription&& desc) { 
-        TPtr result = New(); 
-        TPtr alterData = result->CreateNextVersion(); 
-        alterData->Description = std::move(desc); 
- 
-        return result; 
-    } 
- 
-    ui64 AlterVersion = 0; 
-    TReplicationInfo::TPtr AlterData = nullptr; 
-    NKikimrSchemeOp::TReplicationDescription Description; 
-}; 
- 
-struct TPublicationInfo { 
-    TSet<std::pair<TPathId, ui64>> Paths; 
+struct TReplicationInfo : public TSimpleRefCount<TReplicationInfo> {
+    using TPtr = TIntrusivePtr<TReplicationInfo>;
+
+    TReplicationInfo(ui64 alterVersion)
+        : AlterVersion(alterVersion)
+    {
+    }
+
+    TReplicationInfo(ui64 alterVersion, NKikimrSchemeOp::TReplicationDescription&& desc)
+        : AlterVersion(alterVersion)
+        , Description(std::move(desc))
+    {
+    }
+
+    TPtr CreateNextVersion() {
+        Y_VERIFY(AlterData == nullptr);
+
+        TPtr result = new TReplicationInfo(*this);
+        ++result->AlterVersion;
+        this->AlterData = result;
+
+        return result;
+    }
+
+    static TPtr New() {
+        return new TReplicationInfo(0);
+    }
+
+    static TPtr Create(NKikimrSchemeOp::TReplicationDescription&& desc) {
+        TPtr result = New();
+        TPtr alterData = result->CreateNextVersion();
+        alterData->Description = std::move(desc);
+
+        return result;
+    }
+
+    ui64 AlterVersion = 0;
+    TReplicationInfo::TPtr AlterData = nullptr;
+    NKikimrSchemeOp::TReplicationDescription Description;
+};
+
+struct TPublicationInfo {
+    TSet<std::pair<TPathId, ui64>> Paths;
     THashSet<TActorId> Subscribers;
-}; 
- 
-// namespace NExport { 
-struct TExportInfo: public TSimpleRefCount<TExportInfo> { 
-    using TPtr = TIntrusivePtr<TExportInfo>; 
- 
-    enum class EState: ui8 { 
-        Invalid = 0, 
-        Waiting, 
-        CreateExportDir, 
-        CopyTables, 
-        Transferring, 
-        Done = 240, 
-        Dropping = 241, 
-        Dropped = 242, 
-        Cancellation = 250, 
-        Cancelled = 251, 
-    }; 
- 
-    enum class EKind: ui8 { 
-        YT = 0, 
-        S3, 
-    }; 
- 
-    struct TItem { 
-        enum class ESubState: ui8 { 
-            AllocateTxId = 0, 
-            Proposed, 
-            Subscribed, 
-        }; 
- 
-        TString SourcePathName; 
-        TPathId SourcePathId; 
- 
-        EState State = EState::Waiting; 
-        ESubState SubState = ESubState::AllocateTxId; 
-        TTxId WaitTxId = InvalidTxId; 
-        TString Issue; 
- 
-        TItem() = default; 
- 
-        explicit TItem(const TString& sourcePathName, const TPathId sourcePathId) 
-            : SourcePathName(sourcePathName) 
-            , SourcePathId(sourcePathId) 
-        { 
-        } 
- 
-        TString ToString(ui32 idx) const; 
- 
-        static bool IsDone(const TItem& item); 
-        static bool IsDropped(const TItem& item); 
-    }; 
- 
-    ui64 Id; 
-    TString Uid; 
-    EKind Kind; 
-    TString Settings; 
-    TPathId DomainPathId; 
-    TMaybe<TString> UserSID; 
-    TVector<TItem> Items; 
- 
-    TPathId ExportPathId = InvalidPathId; 
-    EState State = EState::Invalid; 
-    TTxId WaitTxId = InvalidTxId; 
-    TString Issue; 
- 
-    TDeque<ui32> PendingItems; 
-    TDeque<ui32> PendingDropItems; 
- 
+};
+
+// namespace NExport {
+struct TExportInfo: public TSimpleRefCount<TExportInfo> {
+    using TPtr = TIntrusivePtr<TExportInfo>;
+
+    enum class EState: ui8 {
+        Invalid = 0,
+        Waiting,
+        CreateExportDir,
+        CopyTables,
+        Transferring,
+        Done = 240,
+        Dropping = 241,
+        Dropped = 242,
+        Cancellation = 250,
+        Cancelled = 251,
+    };
+
+    enum class EKind: ui8 {
+        YT = 0,
+        S3,
+    };
+
+    struct TItem {
+        enum class ESubState: ui8 {
+            AllocateTxId = 0,
+            Proposed,
+            Subscribed,
+        };
+
+        TString SourcePathName;
+        TPathId SourcePathId;
+
+        EState State = EState::Waiting;
+        ESubState SubState = ESubState::AllocateTxId;
+        TTxId WaitTxId = InvalidTxId;
+        TString Issue;
+
+        TItem() = default;
+
+        explicit TItem(const TString& sourcePathName, const TPathId sourcePathId)
+            : SourcePathName(sourcePathName)
+            , SourcePathId(sourcePathId)
+        {
+        }
+
+        TString ToString(ui32 idx) const;
+
+        static bool IsDone(const TItem& item);
+        static bool IsDropped(const TItem& item);
+    };
+
+    ui64 Id;
+    TString Uid;
+    EKind Kind;
+    TString Settings;
+    TPathId DomainPathId;
+    TMaybe<TString> UserSID;
+    TVector<TItem> Items;
+
+    TPathId ExportPathId = InvalidPathId;
+    EState State = EState::Invalid;
+    TTxId WaitTxId = InvalidTxId;
+    TString Issue;
+
+    TDeque<ui32> PendingItems;
+    TDeque<ui32> PendingDropItems;
+
     TSet<TActorId> Subscribers;
- 
-    explicit TExportInfo( 
-            const ui64 id, 
-            const TString& uid, 
-            const EKind kind, 
-            const TString& settings, 
-            const TPathId domainPathId) 
-        : Id(id) 
-        , Uid(uid) 
-        , Kind(kind) 
-        , Settings(settings) 
-        , DomainPathId(domainPathId) 
-    { 
-    } 
- 
-    template <typename TSettingsPB> 
-    explicit TExportInfo( 
-            const ui64 id, 
-            const TString& uid, 
-            const EKind kind, 
-            const TSettingsPB& settingsPb, 
-            const TPathId domainPathId) 
-        : TExportInfo(id, uid, kind, SerializeSettings(settingsPb), domainPathId) 
-    { 
-    } 
- 
-    bool IsValid() const { 
-        return State != EState::Invalid; 
-    } 
- 
-    bool IsPreparing() const { 
-        return State == EState::CreateExportDir || State == EState::CopyTables; 
-    } 
- 
-    bool IsWorking() const { 
-        return State == EState::Transferring; 
-    } 
- 
-    bool IsDropping() const { 
-        return State == EState::Dropping; 
-    } 
- 
-    bool IsCancelling() const { 
-        return State == EState::Cancellation; 
-    } 
- 
-    bool IsInProgress() const { 
-        return IsPreparing() || IsWorking() || IsDropping() || IsCancelling(); 
-    } 
- 
-    bool IsDone() const { 
-        return State == EState::Done; 
-    } 
- 
-    bool IsCancelled() const { 
-        return State == EState::Cancelled; 
-    } 
- 
-    bool IsFinished() const { 
-        return IsDone() || IsCancelled(); 
-    } 
- 
-    bool AllItemsAreDropped() const; 
+
+    explicit TExportInfo(
+            const ui64 id,
+            const TString& uid,
+            const EKind kind,
+            const TString& settings,
+            const TPathId domainPathId)
+        : Id(id)
+        , Uid(uid)
+        , Kind(kind)
+        , Settings(settings)
+        , DomainPathId(domainPathId)
+    {
+    }
+
+    template <typename TSettingsPB>
+    explicit TExportInfo(
+            const ui64 id,
+            const TString& uid,
+            const EKind kind,
+            const TSettingsPB& settingsPb,
+            const TPathId domainPathId)
+        : TExportInfo(id, uid, kind, SerializeSettings(settingsPb), domainPathId)
+    {
+    }
+
+    bool IsValid() const {
+        return State != EState::Invalid;
+    }
+
+    bool IsPreparing() const {
+        return State == EState::CreateExportDir || State == EState::CopyTables;
+    }
+
+    bool IsWorking() const {
+        return State == EState::Transferring;
+    }
+
+    bool IsDropping() const {
+        return State == EState::Dropping;
+    }
+
+    bool IsCancelling() const {
+        return State == EState::Cancellation;
+    }
+
+    bool IsInProgress() const {
+        return IsPreparing() || IsWorking() || IsDropping() || IsCancelling();
+    }
+
+    bool IsDone() const {
+        return State == EState::Done;
+    }
+
+    bool IsCancelled() const {
+        return State == EState::Cancelled;
+    }
+
+    bool IsFinished() const {
+        return IsDone() || IsCancelled();
+    }
+
+    bool AllItemsAreDropped() const;
     void AddNotifySubscriber(const TActorId& actorId);
 
-    TString ToString() const; 
- 
-private: 
-    template <typename TSettingsPB> 
-    static TString SerializeSettings(const TSettingsPB& settings) { 
-        TString serialized; 
+    TString ToString() const;
+
+private:
+    template <typename TSettingsPB>
+    static TString SerializeSettings(const TSettingsPB& settings) {
+        TString serialized;
         Y_PROTOBUF_SUPPRESS_NODISCARD settings.SerializeToString(&serialized);
-        return serialized; 
-    } 
- 
-}; // TExportInfo 
-// } // NExport 
- 
-// namespace NImport { 
-struct TImportInfo: public TSimpleRefCount<TImportInfo> { 
-    using TPtr = TIntrusivePtr<TImportInfo>; 
- 
-    enum class EState: ui8 { 
-        Invalid = 0, 
-        Waiting, 
-        GetScheme, 
-        CreateTable, 
-        Transferring, 
-        BuildIndexes, 
-        Done = 240, 
-        Cancellation = 250, 
-        Cancelled = 251, 
-    }; 
- 
-    enum class EKind: ui8 { 
-        S3 = 0, 
-    }; 
- 
-    struct TItem { 
-        enum class ESubState: ui8 { 
-            AllocateTxId = 0, 
-            Proposed, 
-            Subscribed, 
-        }; 
- 
-        TString DstPathName; 
-        TPathId DstPathId; 
-        Ydb::Table::CreateTableRequest Scheme; 
- 
-        EState State = EState::GetScheme; 
-        ESubState SubState = ESubState::AllocateTxId; 
-        TTxId WaitTxId = InvalidTxId; 
-        int NextIndexIdx = 0; 
-        TString Issue; 
- 
-        TItem() = default; 
- 
-        explicit TItem(const TString& dstPathName) 
-            : DstPathName(dstPathName) 
-        { 
-        } 
- 
-        explicit TItem(const TString& dstPathName, const TPathId& dstPathId) 
-            : DstPathName(dstPathName) 
-            , DstPathId(dstPathId) 
-        { 
-        } 
- 
-        TString ToString(ui32 idx) const; 
- 
-        static bool IsDone(const TItem& item); 
-    }; 
- 
-    ui64 Id; 
-    TString Uid; 
-    EKind Kind; 
-    Ydb::Import::ImportFromS3Settings Settings; 
-    TPathId DomainPathId; 
-    TMaybe<TString> UserSID; 
- 
-    EState State = EState::Invalid; 
-    TString Issue; 
-    TVector<TItem> Items; 
- 
-    TSet<TActorId> Subscribers; 
- 
-    explicit TImportInfo( 
-            const ui64 id, 
-            const TString& uid, 
-            const EKind kind, 
-            const Ydb::Import::ImportFromS3Settings& settings, 
-            const TPathId domainPathId) 
-        : Id(id) 
-        , Uid(uid) 
-        , Kind(kind) 
-        , Settings(settings) 
-        , DomainPathId(domainPathId) 
-    { 
-    } 
- 
-    TString ToString() const; 
- 
-    bool IsFinished() const; 
- 
-    void AddNotifySubscriber(const TActorId& actorId); 
- 
-}; // TImportInfo 
-// } // NImport 
- 
+        return serialized;
+    }
+
+}; // TExportInfo
+// } // NExport
+
+// namespace NImport {
+struct TImportInfo: public TSimpleRefCount<TImportInfo> {
+    using TPtr = TIntrusivePtr<TImportInfo>;
+
+    enum class EState: ui8 {
+        Invalid = 0,
+        Waiting,
+        GetScheme,
+        CreateTable,
+        Transferring,
+        BuildIndexes,
+        Done = 240,
+        Cancellation = 250,
+        Cancelled = 251,
+    };
+
+    enum class EKind: ui8 {
+        S3 = 0,
+    };
+
+    struct TItem {
+        enum class ESubState: ui8 {
+            AllocateTxId = 0,
+            Proposed,
+            Subscribed,
+        };
+
+        TString DstPathName;
+        TPathId DstPathId;
+        Ydb::Table::CreateTableRequest Scheme;
+
+        EState State = EState::GetScheme;
+        ESubState SubState = ESubState::AllocateTxId;
+        TTxId WaitTxId = InvalidTxId;
+        int NextIndexIdx = 0;
+        TString Issue;
+
+        TItem() = default;
+
+        explicit TItem(const TString& dstPathName)
+            : DstPathName(dstPathName)
+        {
+        }
+
+        explicit TItem(const TString& dstPathName, const TPathId& dstPathId)
+            : DstPathName(dstPathName)
+            , DstPathId(dstPathId)
+        {
+        }
+
+        TString ToString(ui32 idx) const;
+
+        static bool IsDone(const TItem& item);
+    };
+
+    ui64 Id;
+    TString Uid;
+    EKind Kind;
+    Ydb::Import::ImportFromS3Settings Settings;
+    TPathId DomainPathId;
+    TMaybe<TString> UserSID;
+
+    EState State = EState::Invalid;
+    TString Issue;
+    TVector<TItem> Items;
+
+    TSet<TActorId> Subscribers;
+
+    explicit TImportInfo(
+            const ui64 id,
+            const TString& uid,
+            const EKind kind,
+            const Ydb::Import::ImportFromS3Settings& settings,
+            const TPathId domainPathId)
+        : Id(id)
+        , Uid(uid)
+        , Kind(kind)
+        , Settings(settings)
+        , DomainPathId(domainPathId)
+    {
+    }
+
+    TString ToString() const;
+
+    bool IsFinished() const;
+
+    void AddNotifySubscriber(const TActorId& actorId);
+
+}; // TImportInfo
+// } // NImport
+
 class TBillingStats {
 public:
     TBillingStats() = default;
@@ -2657,8 +2657,8 @@ bool ValidateTtlSettingsChange(
 
 }
 }
- 
-template <> 
+
+template <>
 inline void Out<NKikimr::NSchemeShard::TIndexBuildInfo::TShardStatus>
     (IOutputStream& o, const NKikimr::NSchemeShard::TIndexBuildInfo::TShardStatus& info)
 {
diff --git a/ydb/core/tx/schemeshard/schemeshard_path.cpp b/ydb/core/tx/schemeshard/schemeshard_path.cpp
index 2b0c1c6e15..7535ee673c 100644
--- a/ydb/core/tx/schemeshard/schemeshard_path.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard_path.cpp
@@ -8,7 +8,7 @@
 namespace NKikimr {
 namespace NSchemeShard {
 
-static constexpr ui64 MaxPQStorage = Max<ui64>() / 2; 
+static constexpr ui64 MaxPQStorage = Max<ui64>() / 2;
 
 TPath::TChecker::TChecker(const TPath &path)
     : Path(path)
@@ -263,26 +263,26 @@ const TPath::TChecker& TPath::TChecker::IsUnderTheSameOperation(TTxId txId, TPat
     return *this;
 }
 
-const TPath::TChecker& TPath::TChecker::NotUnderTheSameOperation(TTxId txId, TPath::TChecker::EStatus status) const { 
-    if (Failed) { 
-        return *this; 
-    } 
- 
-    TTxId activeTxId = Path.ActiveOperation(); 
-    if (activeTxId != txId) { 
-        return *this; 
-    } 
- 
-    Failed = true; 
-    Status = status; 
-    Explain << "path is under the same operation" 
-            << ", pathId: " << Path.Base()->PathId 
+const TPath::TChecker& TPath::TChecker::NotUnderTheSameOperation(TTxId txId, TPath::TChecker::EStatus status) const {
+    if (Failed) {
+        return *this;
+    }
+
+    TTxId activeTxId = Path.ActiveOperation();
+    if (activeTxId != txId) {
+        return *this;
+    }
+
+    Failed = true;
+    Status = status;
+    Explain << "path is under the same operation"
+            << ", pathId: " << Path.Base()->PathId
             << ", path type: " << NKikimrSchemeOp::EPathType_Name(Path.Base()->PathType)
             << ", path state: " << NKikimrSchemeOp::EPathState_Name(Path.Base()->PathState)
-            << ", txId: " << txId; 
-    return *this; 
-} 
- 
+            << ", txId: " << txId;
+    return *this;
+}
+
 const TPath::TChecker& TPath::TChecker::NoOlapStore(TPath::TChecker::EStatus status) const {
     if (Failed) {
         return *this;
@@ -366,23 +366,23 @@ const TPath::TChecker& TPath::TChecker::IsSequence(TPath::TChecker::EStatus stat
     return *this;
 }
 
-const TPath::TChecker& TPath::TChecker::IsReplication(TPath::TChecker::EStatus status) const { 
-    if (Failed) { 
-        return *this; 
-    } 
- 
-    if (Path.Base()->IsReplication()) { 
-        return *this; 
-    } 
- 
-    Failed = true; 
-    Status = status; 
-    Explain << "path is not a replication" 
-            << ", pathId: " <<  Path.Base()->PathId 
-            << ", path type: " << NKikimrSchemeOp::EPathType_Name(Path.Base()->PathType); 
-    return *this; 
-} 
- 
+const TPath::TChecker& TPath::TChecker::IsReplication(TPath::TChecker::EStatus status) const {
+    if (Failed) {
+        return *this;
+    }
+
+    if (Path.Base()->IsReplication()) {
+        return *this;
+    }
+
+    Failed = true;
+    Status = status;
+    Explain << "path is not a replication"
+            << ", pathId: " <<  Path.Base()->PathId
+            << ", path type: " << NKikimrSchemeOp::EPathType_Name(Path.Base()->PathType);
+    return *this;
+}
+
 const TPath::TChecker& TPath::TChecker::IsCommonSensePath(TPath::TChecker::EStatus status) const {
     if (Failed) {
         return *this;
@@ -418,23 +418,23 @@ const TPath::TChecker& TPath::TChecker::IsInsideTableIndexPath(TPath::TChecker::
     return *this;
 }
 
-const TPath::TChecker& TPath::TChecker::IsInsideCdcStreamPath(TPath::TChecker::EStatus status) const { 
-    if (Failed) { 
-        return *this; 
-    } 
- 
-    if (Path.IsInsideCdcStreamPath()) { 
-        return *this; 
-    } 
- 
-    Failed = true; 
-    Status = status; 
-    Explain << "path doesn't go through directories towards cdc stream" 
-            << ", it might be a cdc stream or private topic" 
-            << ", pathId " << Path.Base()->PathId; 
-    return *this; 
-} 
- 
+const TPath::TChecker& TPath::TChecker::IsInsideCdcStreamPath(TPath::TChecker::EStatus status) const {
+    if (Failed) {
+        return *this;
+    }
+
+    if (Path.IsInsideCdcStreamPath()) {
+        return *this;
+    }
+
+    Failed = true;
+    Status = status;
+    Explain << "path doesn't go through directories towards cdc stream"
+            << ", it might be a cdc stream or private topic"
+            << ", pathId " << Path.Base()->PathId;
+    return *this;
+}
+
 const TPath::TChecker& TPath::TChecker::IsTable(TPath::TChecker::EStatus status) const {
     if (Failed) {
         return *this;
@@ -524,7 +524,7 @@ const TPath::TChecker& TPath::TChecker::IsKesus(TPath::TChecker::EStatus status)
     return *this;
 }
 
-const TPath::TChecker& TPath::TChecker::IsPQGroup(TPath::TChecker::EStatus status) const { 
+const TPath::TChecker& TPath::TChecker::IsPQGroup(TPath::TChecker::EStatus status) const {
     if (Failed) {
         return *this;
     }
@@ -628,23 +628,23 @@ const TPath::TChecker& TPath::TChecker::IsTableIndex(TPath::TChecker::EStatus st
     return *this;
 }
 
-const TPath::TChecker& TPath::TChecker::IsCdcStream(TPath::TChecker::EStatus status) const { 
-    if (Failed) { 
-        return *this; 
-    } 
- 
-    if (Path.Base()->IsCdcStream()) { 
-        return *this; 
-    } 
- 
-    Failed = true; 
-    Status = status; 
-    Explain << "path is not a cdc stream" 
-            << ", pathId: " <<  Path.Base()->PathId 
+const TPath::TChecker& TPath::TChecker::IsCdcStream(TPath::TChecker::EStatus status) const {
+    if (Failed) {
+        return *this;
+    }
+
+    if (Path.Base()->IsCdcStream()) {
+        return *this;
+    }
+
+    Failed = true;
+    Status = status;
+    Explain << "path is not a cdc stream"
+            << ", pathId: " <<  Path.Base()->PathId
             << ", path type: " << NKikimrSchemeOp::EPathType_Name(Path.Base()->PathType);
-    return *this; 
-} 
- 
+    return *this;
+}
+
 const TPath::TChecker& TPath::TChecker::IsLikeDirectory(TPath::TChecker::EStatus status) const {
     if (Failed) {
         return *this;
@@ -975,37 +975,37 @@ const TPath::TChecker& TPath::TChecker::NotDeleted(TPath::TChecker::EStatus stat
     return *this;
 }
 
-const TPath::TChecker& TPath::TChecker::IsValidACL(const TString& acl, EStatus status) const { 
-    if (Failed) { 
-        return *this; 
-    } 
- 
-    if (acl.empty()) { 
-        return *this; 
-    } 
- 
-    auto secObj = MakeHolder<NACLib::TACL>(); 
-    if (Path.IsResolved()) { 
-        secObj.Reset(new NACLib::TACL(Path.Base()->ACL)); 
-    } 
- 
-    NACLib::TDiffACL diffACL(acl); 
-    secObj->ApplyDiff(diffACL); 
-    const ui64 bytesSize = secObj->SerializeAsString().size(); 
- 
-    if (bytesSize <= Path.DomainInfo()->GetSchemeLimits().MaxAclBytesSize) { 
-        return *this; 
-    } 
- 
-    Failed = true; 
-    Status = status; 
-    Explain << "path's ACL is too long" 
-            << ", path: " <<  Path.PathString() 
-            << ", calculated ACL size: " << bytesSize 
-            << ". Limit: " << Path.DomainInfo()->GetSchemeLimits().MaxAclBytesSize; 
-    return *this; 
-} 
- 
+const TPath::TChecker& TPath::TChecker::IsValidACL(const TString& acl, EStatus status) const {
+    if (Failed) {
+        return *this;
+    }
+
+    if (acl.empty()) {
+        return *this;
+    }
+
+    auto secObj = MakeHolder<NACLib::TACL>();
+    if (Path.IsResolved()) {
+        secObj.Reset(new NACLib::TACL(Path.Base()->ACL));
+    }
+
+    NACLib::TDiffACL diffACL(acl);
+    secObj->ApplyDiff(diffACL);
+    const ui64 bytesSize = secObj->SerializeAsString().size();
+
+    if (bytesSize <= Path.DomainInfo()->GetSchemeLimits().MaxAclBytesSize) {
+        return *this;
+    }
+
+    Failed = true;
+    Status = status;
+    Explain << "path's ACL is too long"
+            << ", path: " <<  Path.PathString()
+            << ", calculated ACL size: " << bytesSize
+            << ". Limit: " << Path.DomainInfo()->GetSchemeLimits().MaxAclBytesSize;
+    return *this;
+}
+
 TPath::TPath(TSchemeShard* ss)
     : SS(ss)
 {
@@ -1328,12 +1328,12 @@ bool TPath::IsUnderOperation() const {
 
     bool result = Base()->PathState != NKikimrSchemeOp::EPathState::EPathStateNoChanges;
     if (result) {
-        ui32 summ = (ui32)IsUnderCreating() 
-            + (ui32)IsUnderAltering() 
-            + (ui32)IsUnderCopying() 
-            + (ui32)IsUnderBackuping() 
-            + (ui32)IsUnderRestoring() 
-            + (ui32)IsUnderDeleting() 
+        ui32 summ = (ui32)IsUnderCreating()
+            + (ui32)IsUnderAltering()
+            + (ui32)IsUnderCopying()
+            + (ui32)IsUnderBackuping()
+            + (ui32)IsUnderRestoring()
+            + (ui32)IsUnderDeleting()
             + (ui32)IsUnderDomainUpgrade()
             + (ui32)IsUnderMoving();
         Y_VERIFY_S(summ == 1,
@@ -1405,12 +1405,12 @@ bool TPath::IsUnderBackuping() const {
     return Base()->PathState == NKikimrSchemeOp::EPathState::EPathStateBackup;
 }
 
-bool TPath::IsUnderRestoring() const { 
-    Y_VERIFY(IsResolved()); 
- 
+bool TPath::IsUnderRestoring() const {
+    Y_VERIFY(IsResolved());
+
     return Base()->PathState == NKikimrSchemeOp::EPathState::EPathStateRestore;
-} 
- 
+}
+
 bool TPath::IsUnderDeleting() const {
     Y_VERIFY(IsResolved());
 
@@ -1508,46 +1508,46 @@ bool TPath::IsInsideTableIndexPath() const {
     return true;
 }
 
-bool TPath::IsInsideCdcStreamPath() const { 
-    Y_VERIFY(IsResolved()); 
- 
-    // expected /<root>/.../<table>/<cdc_stream>/<private_topic> 
-    if (Depth() < 3) { 
-        return false; 
-    } 
- 
-    auto item = Elements.rbegin(); 
- 
-    //skip private_topic 
-    if ((*item)->IsPQGroup()) { 
-        ++item; 
-    } 
- 
-    if (!(*item)->IsCdcStream()) { 
-        return false; 
-    } 
- 
-    ++item; 
-    if (!(*item)->IsTable()) { 
-        return false; 
-    } 
- 
-    ++item; 
-    for (; item != Elements.rend(); ++item) { 
-        if (!(*item)->IsDirectory() && !(*item)->IsSubDomainRoot()) { 
-            return false; 
-        } 
-    } 
- 
-    return true; 
-} 
- 
-bool TPath::IsTableIndex() const { 
-    Y_VERIFY(IsResolved()); 
- 
-    return Base()->IsTableIndex(); 
-} 
- 
+bool TPath::IsInsideCdcStreamPath() const {
+    Y_VERIFY(IsResolved());
+
+    // expected /<root>/.../<table>/<cdc_stream>/<private_topic>
+    if (Depth() < 3) {
+        return false;
+    }
+
+    auto item = Elements.rbegin();
+
+    //skip private_topic
+    if ((*item)->IsPQGroup()) {
+        ++item;
+    }
+
+    if (!(*item)->IsCdcStream()) {
+        return false;
+    }
+
+    ++item;
+    if (!(*item)->IsTable()) {
+        return false;
+    }
+
+    ++item;
+    for (; item != Elements.rend(); ++item) {
+        if (!(*item)->IsDirectory() && !(*item)->IsSubDomainRoot()) {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool TPath::IsTableIndex() const {
+    Y_VERIFY(IsResolved());
+
+    return Base()->IsTableIndex();
+}
+
 bool TPath::IsBackupTable() const {
     Y_VERIFY(IsResolved());
 
@@ -1560,24 +1560,24 @@ bool TPath::IsBackupTable() const {
     return tableInfo->IsBackup;
 }
 
-bool TPath::IsCdcStream() const { 
-    Y_VERIFY(IsResolved()); 
- 
-    return Base()->IsCdcStream(); 
-} 
- 
+bool TPath::IsCdcStream() const {
+    Y_VERIFY(IsResolved());
+
+    return Base()->IsCdcStream();
+}
+
 bool TPath::IsSequence() const {
     Y_VERIFY(IsResolved());
 
     return Base()->IsSequence();
 }
 
-bool TPath::IsReplication() const { 
-    Y_VERIFY(IsResolved()); 
- 
-    return Base()->IsReplication(); 
-} 
- 
+bool TPath::IsReplication() const {
+    Y_VERIFY(IsResolved());
+
+    return Base()->IsReplication();
+}
+
 ui32 TPath::Depth() const {
     return NameParts.size();
 }
@@ -1616,7 +1616,7 @@ bool TPath::IsValidLeafName(TString& explain) const {
         return false;
     }
 
-    if (AppData()->FeatureFlags.GetEnableSystemViews() && leaf == NSysView::SysPathName) { 
+    if (AppData()->FeatureFlags.GetEnableSystemViews() && leaf == NSysView::SysPathName) {
         explain += TStringBuilder()
             << "path part '" << NSysView::SysPathName << "' is reserved by the system";
         return false;
diff --git a/ydb/core/tx/schemeshard/schemeshard_path.h b/ydb/core/tx/schemeshard/schemeshard_path.h
index aa1f8b5992..fb33c1cdd9 100644
--- a/ydb/core/tx/schemeshard/schemeshard_path.h
+++ b/ydb/core/tx/schemeshard/schemeshard_path.h
@@ -55,22 +55,22 @@ public:
         const TChecker& IsOlapStore(EStatus status = EStatus::StatusNameConflict) const;
         const TChecker& IsOlapTable(EStatus status = EStatus::StatusNameConflict) const;
         const TChecker& IsSequence(EStatus status = EStatus::StatusNameConflict) const;
-        const TChecker& IsReplication(EStatus status = EStatus::StatusNameConflict) const; 
+        const TChecker& IsReplication(EStatus status = EStatus::StatusNameConflict) const;
         const TChecker& IsCommonSensePath(EStatus status = EStatus::StatusNameConflict) const;
         const TChecker& IsInsideTableIndexPath(EStatus status = EStatus::StatusNameConflict) const;
-        const TChecker& IsInsideCdcStreamPath(EStatus status = EStatus::StatusNameConflict) const; 
+        const TChecker& IsInsideCdcStreamPath(EStatus status = EStatus::StatusNameConflict) const;
         const TChecker& IsTable(EStatus status = EStatus::StatusNameConflict) const;
         const TChecker& NotBackupTable(EStatus status = NKikimrScheme::StatusSchemeError) const;
         const TChecker& IsBlockStoreVolume(EStatus status = EStatus::StatusNameConflict) const;
         const TChecker& IsFileStore(EStatus status = EStatus::StatusNameConflict) const;
         const TChecker& IsKesus(EStatus status = EStatus::StatusNameConflict) const;
-        const TChecker& IsPQGroup(EStatus status = EStatus::StatusNameConflict) const; 
+        const TChecker& IsPQGroup(EStatus status = EStatus::StatusNameConflict) const;
         const TChecker& IsSubDomain(EStatus status = EStatus::StatusNameConflict) const;
         const TChecker& IsExternalSubDomain(EStatus status = EStatus::StatusNameConflict) const;
         const TChecker& IsAtLocalSchemeShard(EStatus status = EStatus::StatusRedirectDomain) const;
         const TChecker& IsSolomon(EStatus status = EStatus::StatusNameConflict) const;
         const TChecker& IsTableIndex(EStatus status = EStatus::StatusNameConflict) const;
-        const TChecker& IsCdcStream(EStatus status = EStatus::StatusNameConflict) const; 
+        const TChecker& IsCdcStream(EStatus status = EStatus::StatusNameConflict) const;
         const TChecker& IsLikeDirectory(EStatus status = EStatus::StatusPathIsNotDirectory) const;
         const TChecker& IsDirectory(EStatus status = EStatus::StatusPathIsNotDirectory) const;
         const TChecker& IsTheSameDomain(const TPath& another, EStatus status = EStatus::StatusInvalidParameter) const;
@@ -83,7 +83,7 @@ public:
         const TChecker& ShardsLimit(ui64 delta = 1, EStatus status = EStatus::StatusResourceExhausted) const;
         const TChecker& PathShardsLimit(ui64 delta = 1, EStatus status = EStatus::StatusResourceExhausted) const;
         const TChecker& NotChildren(EStatus status = EStatus::StatusInvalidParameter) const;
-        const TChecker& IsValidACL(const TString& acl, EStatus status = EStatus::StatusInvalidParameter) const; 
+        const TChecker& IsValidACL(const TString& acl, EStatus status = EStatus::StatusInvalidParameter) const;
         const TChecker& PQPartitionsLimit(ui64 delta = 1, EStatus status = EStatus::StatusResourceExhausted) const;
         const TChecker& PQReservedStorageLimit(ui64 delta = 1, EStatus status = EStatus::StatusResourceExhausted) const;
     };
@@ -135,7 +135,7 @@ public:
     bool IsUnderDomainUpgrade() const;
     bool IsUnderCopying() const;
     bool IsUnderBackuping() const;
-    bool IsUnderRestoring() const; 
+    bool IsUnderRestoring() const;
     bool IsUnderDeleting() const;
     bool IsUnderMoving() const;
     TPath& RiseUntilOlapStore();
@@ -143,12 +143,12 @@ public:
     bool IsCommonSensePath() const;
     bool AtLocalSchemeShardPath() const;
     bool IsInsideTableIndexPath() const;
-    bool IsInsideCdcStreamPath() const; 
-    bool IsTableIndex() const; 
+    bool IsInsideCdcStreamPath() const;
+    bool IsTableIndex() const;
     bool IsBackupTable() const;
-    bool IsCdcStream() const; 
+    bool IsCdcStream() const;
     bool IsSequence() const;
-    bool IsReplication() const; 
+    bool IsReplication() const;
     ui32 Depth() const;
     ui64 Shards() const;
     const TString& LeafName() const;
diff --git a/ydb/core/tx/schemeshard/schemeshard_path_describer.cpp b/ydb/core/tx/schemeshard/schemeshard_path_describer.cpp
index 3c631ac015..3789d3af1b 100644
--- a/ydb/core/tx/schemeshard/schemeshard_path_describer.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard_path_describer.cpp
@@ -1,36 +1,36 @@
-#include "schemeshard_path_describer.h" 
- 
+#include "schemeshard_path_describer.h"
+
 #include <ydb/core/base/appdata.h>
 #include <ydb/core/engine/mkql_proto.h>
 #include <ydb/core/protos/flat_tx_scheme.pb.h>
- 
-#include <util/stream/format.h> 
- 
-namespace NKikimr { 
+
+#include <util/stream/format.h>
+
+namespace NKikimr {
 namespace NSchemeShard {
- 
-static void FillTableStats(NKikimrTableStats::TTableStats* stats, const TTableInfo::TPartitionStats& tableStats) { 
-    stats->SetRowCount(tableStats.RowCount); 
-    stats->SetDataSize(tableStats.DataSize); 
-    stats->SetIndexSize(tableStats.IndexSize); 
-    stats->SetLastAccessTime(tableStats.LastAccessTime.MilliSeconds()); 
-    stats->SetLastUpdateTime(tableStats.LastUpdateTime.MilliSeconds()); 
-    stats->SetImmediateTxCompleted(tableStats.ImmediateTxCompleted); 
-    stats->SetPlannedTxCompleted(tableStats.PlannedTxCompleted); 
-    stats->SetTxRejectedByOverload(tableStats.TxRejectedByOverload); 
-    stats->SetTxRejectedBySpace(tableStats.TxRejectedBySpace); 
-    stats->SetTxCompleteLagMsec(tableStats.TxCompleteLag.MilliSeconds()); 
-    stats->SetInFlightTxCount(tableStats.InFlightTxCount); 
- 
-    stats->SetRowUpdates(tableStats.RowUpdates); 
-    stats->SetRowDeletes(tableStats.RowDeletes); 
-    stats->SetRowReads(tableStats.RowReads); 
-    stats->SetRangeReads(tableStats.RangeReads); 
-    stats->SetRangeReadRows(tableStats.RangeReadRows); 
- 
-    stats->SetPartCount(tableStats.PartCount); 
-} 
- 
+
+static void FillTableStats(NKikimrTableStats::TTableStats* stats, const TTableInfo::TPartitionStats& tableStats) {
+    stats->SetRowCount(tableStats.RowCount);
+    stats->SetDataSize(tableStats.DataSize);
+    stats->SetIndexSize(tableStats.IndexSize);
+    stats->SetLastAccessTime(tableStats.LastAccessTime.MilliSeconds());
+    stats->SetLastUpdateTime(tableStats.LastUpdateTime.MilliSeconds());
+    stats->SetImmediateTxCompleted(tableStats.ImmediateTxCompleted);
+    stats->SetPlannedTxCompleted(tableStats.PlannedTxCompleted);
+    stats->SetTxRejectedByOverload(tableStats.TxRejectedByOverload);
+    stats->SetTxRejectedBySpace(tableStats.TxRejectedBySpace);
+    stats->SetTxCompleteLagMsec(tableStats.TxCompleteLag.MilliSeconds());
+    stats->SetInFlightTxCount(tableStats.InFlightTxCount);
+
+    stats->SetRowUpdates(tableStats.RowUpdates);
+    stats->SetRowDeletes(tableStats.RowDeletes);
+    stats->SetRowReads(tableStats.RowReads);
+    stats->SetRangeReads(tableStats.RangeReads);
+    stats->SetRangeReadRows(tableStats.RangeReadRows);
+
+    stats->SetPartCount(tableStats.PartCount);
+}
+
 static void FillTableMetrics(NKikimrTabletBase::TMetrics* metrics, const TTableInfo::TPartitionStats& tableStats) {
     metrics->SetCPU(tableStats.GetCurrentRawCpuUsage());
     metrics->SetMemory(tableStats.Memory);
@@ -50,16 +50,16 @@ void TPathDescriber::FillPathDescr(NKikimrSchemeOp::TDirEntry* descr, TPathEleme
 }
 
 void TPathDescriber::FillChildDescr(NKikimrSchemeOp::TDirEntry* descr, TPathElement::TPtr pathEl) {
-    bool createFinished = pathEl->IsCreateFinished(); 
- 
-    descr->SetName(pathEl->Name); 
+    bool createFinished = pathEl->IsCreateFinished();
+
+    descr->SetName(pathEl->Name);
 
     descr->SetSchemeshardId(pathEl->PathId.OwnerId);
     descr->SetPathId(pathEl->PathId.LocalPathId);
 
     descr->SetParentPathId(pathEl->ParentPathId.LocalPathId); //???? ParnetPathOwnerId
 
-    descr->SetPathType(pathEl->PathType); 
+    descr->SetPathType(pathEl->PathType);
     descr->SetOwner(pathEl->Owner);
 
     descr->SetPathState(pathEl->PathState); // ???? can't be consistent KIKIMR-8861
@@ -69,96 +69,96 @@ void TPathDescriber::FillChildDescr(NKikimrSchemeOp::TDirEntry* descr, TPathElem
     if (createFinished) {
         descr->SetCreateStep(ui64(pathEl->StepCreated));
     }
- 
+
     if (pathEl->PathType == NKikimrSchemeOp::EPathTypePersQueueGroup) {
-        auto it = Self->PersQueueGroups.FindPtr(pathEl->PathId); 
-        Y_VERIFY(it, "PersQueueGroup is not found"); 
- 
-        TPersQueueGroupInfo::TPtr pqGroupInfo = *it; 
-        if (pqGroupInfo->HasBalancer()) { 
+        auto it = Self->PersQueueGroups.FindPtr(pathEl->PathId);
+        Y_VERIFY(it, "PersQueueGroup is not found");
+
+        TPersQueueGroupInfo::TPtr pqGroupInfo = *it;
+        if (pqGroupInfo->HasBalancer()) {
             descr->SetBalancerTabletID(ui64(pqGroupInfo->BalancerTabletID));
-        } 
+        }
     } else {
         descr->SetACL(pathEl->ACL); // YDBOPS-1328
-    } 
-} 
- 
-TPathElement::EPathSubType TPathDescriber::CalcPathSubType(const TPath& path) { 
-    if (!path.IsResolved()) { 
-        return TPathElement::EPathSubType::EPathSubTypeEmpty; 
-    } 
- 
-    if (path.IsCommonSensePath()) { 
-        return TPathElement::EPathSubType::EPathSubTypeEmpty; 
-    } 
- 
-    const auto parentPath = path.Parent(); 
-    Y_VERIFY(parentPath.IsResolved()); 
- 
-    if (parentPath.IsTableIndex()) { 
-        const auto& pathId = parentPath.Base()->PathId; 
-        Y_VERIFY(Self->Indexes.contains(pathId)); 
-        auto indexInfo = Self->Indexes.at(pathId); 
- 
-        switch (indexInfo->Type) { 
-        case NKikimrSchemeOp::EIndexTypeGlobalAsync: 
-            return TPathElement::EPathSubType::EPathSubTypeAsyncIndexImplTable; 
-        default: 
-            return TPathElement::EPathSubType::EPathSubTypeSyncIndexImplTable; 
-        } 
-    } else if (parentPath.IsCdcStream()) { 
-        return TPathElement::EPathSubType::EPathSubTypeStreamImpl; 
-    } 
- 
-    return TPathElement::EPathSubType::EPathSubTypeEmpty; 
-} 
- 
+    }
+}
+
+TPathElement::EPathSubType TPathDescriber::CalcPathSubType(const TPath& path) {
+    if (!path.IsResolved()) {
+        return TPathElement::EPathSubType::EPathSubTypeEmpty;
+    }
+
+    if (path.IsCommonSensePath()) {
+        return TPathElement::EPathSubType::EPathSubTypeEmpty;
+    }
+
+    const auto parentPath = path.Parent();
+    Y_VERIFY(parentPath.IsResolved());
+
+    if (parentPath.IsTableIndex()) {
+        const auto& pathId = parentPath.Base()->PathId;
+        Y_VERIFY(Self->Indexes.contains(pathId));
+        auto indexInfo = Self->Indexes.at(pathId);
+
+        switch (indexInfo->Type) {
+        case NKikimrSchemeOp::EIndexTypeGlobalAsync:
+            return TPathElement::EPathSubType::EPathSubTypeAsyncIndexImplTable;
+        default:
+            return TPathElement::EPathSubType::EPathSubTypeSyncIndexImplTable;
+        }
+    } else if (parentPath.IsCdcStream()) {
+        return TPathElement::EPathSubType::EPathSubTypeStreamImpl;
+    }
+
+    return TPathElement::EPathSubType::EPathSubTypeEmpty;
+}
+
 void TPathDescriber::FillPathDescr(NKikimrSchemeOp::TDirEntry* descr, const TPath& path) {
-    FillPathDescr(descr, path.Base(), CalcPathSubType(path)); 
-} 
- 
+    FillPathDescr(descr, path.Base(), CalcPathSubType(path));
+}
+
 void TPathDescriber::BuildEffectiveACL(NKikimrSchemeOp::TDirEntry* descr, const TPath& path) {
     descr->SetEffectiveACL(path.GetEffectiveACL());
-} 
- 
-void TPathDescriber::FillLastExistedPrefixDescr(const TPath& path) { 
+}
+
+void TPathDescriber::FillLastExistedPrefixDescr(const TPath& path) {
     if (path.IsEmpty()) {
-        return; 
-    } 
+        return;
+    }
     Y_VERIFY(path.IsResolved());
     Y_VERIFY(!path.IsDeleted());
- 
+
     Result->Record.SetLastExistedPrefixPathId(path.Base()->PathId.LocalPathId);
     Result->Record.SetLastExistedPrefixPath(path.PathString());
- 
+
     Y_VERIFY_S(Self->PathsById.contains(path.Base()->PathId), "Unknown pathId " <<  path.Base()->PathId);
-    auto descr = Result->Record.MutableLastExistedPrefixDescription()->MutableSelf(); 
-    FillPathDescr(descr, path); 
+    auto descr = Result->Record.MutableLastExistedPrefixDescription()->MutableSelf();
+    FillPathDescr(descr, path);
     BuildEffectiveACL(descr, path);
-} 
- 
+}
+
 void TPathDescriber::DescribeChildren(const TPath& path) {
     auto pathEl = path.Base();
 
     if (!Params.GetOptions().GetReturnChildren()) {
-        return; 
-    } 
- 
+        return;
+    }
+
     if (pathEl->IsTable()) {
         return;
     }
 
-    if (pathEl->PreSerializedChildrenListing.empty()) { 
+    if (pathEl->PreSerializedChildrenListing.empty()) {
         NKikimrScheme::TEvDescribeSchemeResult preSerializedResult;
-        auto pathDescription = preSerializedResult.MutablePathDescription(); 
+        auto pathDescription = preSerializedResult.MutablePathDescription();
         pathDescription->MutableChildren()->Reserve(pathEl->GetAliveChildren());
-        for (const auto& child : pathEl->GetChildren()) { 
-            TPathId childId = child.second; 
-            TPathElement::TPtr childEl = *Self->PathsById.FindPtr(childId); 
+        for (const auto& child : pathEl->GetChildren()) {
+            TPathId childId = child.second;
+            TPathElement::TPtr childEl = *Self->PathsById.FindPtr(childId);
             if (childEl->Dropped() || childEl->IsMigrated()) {
-                continue; 
-            } 
-            auto entry = pathDescription->AddChildren(); 
+                continue;
+            }
+            auto entry = pathDescription->AddChildren();
 
             if (pathEl->IsTableIndex()) {
                 // we put version of child here in addition
@@ -166,187 +166,187 @@ void TPathDescriber::DescribeChildren(const TPath& path) {
                 FillPathDescr(entry, childEl, CalcPathSubType(childPath));
                 const auto version = Self->GetPathVersion(childPath);
                 entry->MutableVersion()->CopyFrom(version);
-            } else if (pathEl->IsCdcStream()) { 
-                auto childPath = path.Child(child.first); 
-                FillPathDescr(entry, childEl, CalcPathSubType(childPath)); 
+            } else if (pathEl->IsCdcStream()) {
+                auto childPath = path.Child(child.first);
+                FillPathDescr(entry, childEl, CalcPathSubType(childPath));
             } else {
                 FillChildDescr(entry, childEl);
             }
-        } 
+        }
         Y_PROTOBUF_SUPPRESS_NODISCARD preSerializedResult.SerializeToString(&pathEl->PreSerializedChildrenListing);
-    } 
-    Result->PreSerializedData += pathEl->PreSerializedChildrenListing; 
+    }
+    Result->PreSerializedData += pathEl->PreSerializedChildrenListing;
+
+    if (!pathEl->IsCreateFinished()) {
+        pathEl->PreSerializedChildrenListing.clear();
+    }
+}
 
-    if (!pathEl->IsCreateFinished()) { 
-        pathEl->PreSerializedChildrenListing.clear(); 
-    } 
-} 
- 
 
 void TPathDescriber::DescribeDir(const TPath& path) {
    DescribeChildren(path);
 }
 
-void TPathDescriber::DescribeTable(const TActorContext& ctx, TPathId pathId, TPathElement::TPtr pathEl) { 
-    const NScheme::TTypeRegistry* typeRegistry = AppData(ctx)->TypeRegistry; 
-    const TTableInfo::TPtr tableInfo = *Self->Tables.FindPtr(pathId); 
-    auto pathDescription = Result->Record.MutablePathDescription(); 
-    auto entry = pathDescription->MutableTable(); 
- 
-    bool returnConfig = Params.GetReturnPartitionConfig(); 
-    bool returnPartitioning = Params.GetReturnPartitioningInfo(); 
-    bool returnPartitionStats = Params.GetOptions().GetReturnPartitionStats(); 
-    bool returnBackupInfo = Params.GetBackupInfo(); 
-    bool returnBoundaries = false; 
-    if (Params.HasOptions()) { 
-        returnConfig = Params.GetOptions().GetReturnPartitionConfig(); 
-        returnPartitioning = Params.GetOptions().GetReturnPartitioningInfo(); 
-        returnBackupInfo = Params.GetOptions().GetBackupInfo(); 
-        returnBoundaries = Params.GetOptions().GetReturnBoundaries(); 
-    } 
- 
-    Self->DescribeTable(tableInfo, typeRegistry, returnConfig, returnBoundaries, entry); 
-    entry->SetName(pathEl->Name); 
- 
-    if (returnPartitioning) { 
-        // partitions 
-        if (tableInfo->PreSerializedPathDescription.empty()) { 
+void TPathDescriber::DescribeTable(const TActorContext& ctx, TPathId pathId, TPathElement::TPtr pathEl) {
+    const NScheme::TTypeRegistry* typeRegistry = AppData(ctx)->TypeRegistry;
+    const TTableInfo::TPtr tableInfo = *Self->Tables.FindPtr(pathId);
+    auto pathDescription = Result->Record.MutablePathDescription();
+    auto entry = pathDescription->MutableTable();
+
+    bool returnConfig = Params.GetReturnPartitionConfig();
+    bool returnPartitioning = Params.GetReturnPartitioningInfo();
+    bool returnPartitionStats = Params.GetOptions().GetReturnPartitionStats();
+    bool returnBackupInfo = Params.GetBackupInfo();
+    bool returnBoundaries = false;
+    if (Params.HasOptions()) {
+        returnConfig = Params.GetOptions().GetReturnPartitionConfig();
+        returnPartitioning = Params.GetOptions().GetReturnPartitioningInfo();
+        returnBackupInfo = Params.GetOptions().GetBackupInfo();
+        returnBoundaries = Params.GetOptions().GetReturnBoundaries();
+    }
+
+    Self->DescribeTable(tableInfo, typeRegistry, returnConfig, returnBoundaries, entry);
+    entry->SetName(pathEl->Name);
+
+    if (returnPartitioning) {
+        // partitions
+        if (tableInfo->PreSerializedPathDescription.empty()) {
             NKikimrScheme::TEvDescribeSchemeResult preSerializedResult;
             NKikimrSchemeOp::TPathDescription& pathDescription = *preSerializedResult.MutablePathDescription();
-            pathDescription.MutableTablePartitions()->Reserve(tableInfo->GetPartitions().size()); 
-            for (auto& p : tableInfo->GetPartitions()) { 
-                auto part = pathDescription.AddTablePartitions(); 
+            pathDescription.MutableTablePartitions()->Reserve(tableInfo->GetPartitions().size());
+            for (auto& p : tableInfo->GetPartitions()) {
+                auto part = pathDescription.AddTablePartitions();
                 auto datashardIdx = p.ShardIdx;
                 auto datashardTabletId = Self->ShardInfos[datashardIdx].TabletID;
-                // Currently we only support uniform partitioning where each range is [start, end) 
-                // +inf as the end of the last range is represented by empty TCell vector 
+                // Currently we only support uniform partitioning where each range is [start, end)
+                // +inf as the end of the last range is represented by empty TCell vector
                 part->SetDatashardId(ui64(datashardTabletId));
-                part->SetIsPoint(false); 
-                part->SetIsInclusive(false); 
-                part->SetEndOfRangeKeyPrefix(p.EndOfRange); 
-            } 
+                part->SetIsPoint(false);
+                part->SetIsInclusive(false);
+                part->SetEndOfRangeKeyPrefix(p.EndOfRange);
+            }
             Y_PROTOBUF_SUPPRESS_NODISCARD preSerializedResult.SerializeToString(&tableInfo->PreSerializedPathDescription);
-        } 
-        Result->PreSerializedData += tableInfo->PreSerializedPathDescription; 
-        if (!pathEl->IsCreateFinished()) { 
-            tableInfo->PreSerializedPathDescription.clear(); // KIKIMR-4337 
-        } 
-    } 
- 
-    const auto& tableStats(tableInfo->GetStats().Aggregated); 
- 
-    { 
-        auto* stats = Result->Record.MutablePathDescription()->MutableTableStats(); 
-        FillTableStats(stats, tableStats); 
-    } 
- 
-    { 
-        auto* metrics = Result->Record.MutablePathDescription()->MutableTabletMetrics(); 
+        }
+        Result->PreSerializedData += tableInfo->PreSerializedPathDescription;
+        if (!pathEl->IsCreateFinished()) {
+            tableInfo->PreSerializedPathDescription.clear(); // KIKIMR-4337
+        }
+    }
+
+    const auto& tableStats(tableInfo->GetStats().Aggregated);
+
+    {
+        auto* stats = Result->Record.MutablePathDescription()->MutableTableStats();
+        FillTableStats(stats, tableStats);
+    }
+
+    {
+        auto* metrics = Result->Record.MutablePathDescription()->MutableTabletMetrics();
         FillTableMetrics(metrics, tableStats);
-    } 
- 
-    if (returnPartitionStats) { 
+    }
+
+    if (returnPartitionStats) {
         NKikimrSchemeOp::TPathDescription& pathDescription = *Result->Record.MutablePathDescription();
-        pathDescription.MutableTablePartitionStats()->Reserve(tableInfo->GetPartitions().size()); 
-        for (auto& p : tableInfo->GetPartitions()) { 
-            const auto* stats = tableInfo->GetStats().PartitionStats.FindPtr(p.ShardIdx); 
-            Y_VERIFY(stats); 
-            auto pbStats = pathDescription.AddTablePartitionStats(); 
-            FillTableStats(pbStats, *stats); 
+        pathDescription.MutableTablePartitionStats()->Reserve(tableInfo->GetPartitions().size());
+        for (auto& p : tableInfo->GetPartitions()) {
+            const auto* stats = tableInfo->GetStats().PartitionStats.FindPtr(p.ShardIdx);
+            Y_VERIFY(stats);
+            auto pbStats = pathDescription.AddTablePartitionStats();
+            FillTableStats(pbStats, *stats);
             auto pbMetrics = pathDescription.AddTablePartitionMetrics();
             FillTableMetrics(pbMetrics, *stats);
-        } 
-    } 
- 
-    if (returnBackupInfo) { 
-        /* Find active backup */ 
-        for (const auto& pair: Self->TxInFlight) { 
-            const auto& txId = pair.first.GetTxId(); 
-            const auto& txState = pair.second; 
-            if (txState.TargetPathId != pathId) 
-                continue; 
-            if (txState.TxType != TTxState::TxBackup) 
-                continue; 
- 
-            ui32 notCompleteYet = txState.ShardsInProgress.size(); 
-            ui32 total = txState.Shards.size(); 
- 
-            auto progress = pathDescription->MutableBackupProgress(); 
-            progress->SetNotCompleteYet(notCompleteYet); 
-            progress->SetTotal(total); 
-            progress->SetErrorCount(CountIf(txState.ShardStatuses, [](const auto& kv) { 
-                return !kv.second.Success; 
-            })); 
-            progress->SetStartTime(txState.StartTime.Seconds()); 
-            progress->MutableYTSettings()->CopyFrom( 
-                tableInfo->BackupSettings.GetYTSettings()); 
-            progress->SetDataTotalSize(txState.DataTotalSize); 
+        }
+    }
+
+    if (returnBackupInfo) {
+        /* Find active backup */
+        for (const auto& pair: Self->TxInFlight) {
+            const auto& txId = pair.first.GetTxId();
+            const auto& txState = pair.second;
+            if (txState.TargetPathId != pathId)
+                continue;
+            if (txState.TxType != TTxState::TxBackup)
+                continue;
+
+            ui32 notCompleteYet = txState.ShardsInProgress.size();
+            ui32 total = txState.Shards.size();
+
+            auto progress = pathDescription->MutableBackupProgress();
+            progress->SetNotCompleteYet(notCompleteYet);
+            progress->SetTotal(total);
+            progress->SetErrorCount(CountIf(txState.ShardStatuses, [](const auto& kv) {
+                return !kv.second.Success;
+            }));
+            progress->SetStartTime(txState.StartTime.Seconds());
+            progress->MutableYTSettings()->CopyFrom(
+                tableInfo->BackupSettings.GetYTSettings());
+            progress->SetDataTotalSize(txState.DataTotalSize);
             progress->SetTxId(ui64(txId));
- 
+
             LOG_TRACE(ctx, NKikimrServices::SCHEMESHARD_DESCRIBE,
-                      "Add backup process info"); 
-            break; 
-        } 
- 
-        /* Get information about last completed backup */ 
-        for (const auto& iter: tableInfo->BackupHistory) { 
+                      "Add backup process info");
+            break;
+        }
+
+        /* Get information about last completed backup */
+        for (const auto& iter: tableInfo->BackupHistory) {
             LOG_TRACE(ctx, NKikimrServices::SCHEMESHARD_DESCRIBE,
                       "Add last backup info item to history");
-            auto protoResult = pathDescription->AddLastBackupResult(); 
-            const auto& txId = iter.first; 
-            const auto& tInfoResult = iter.second; 
-            protoResult->SetErrorCount( 
-                tInfoResult.TotalShardCount - tInfoResult.SuccessShardCount); 
-            protoResult->SetCompleteTimeStamp( 
-                tInfoResult.CompletionDateTime); 
-            protoResult->SetStartTimeStamp(tInfoResult.StartDateTime); 
-            protoResult->SetDataTotalSize( 
-                tInfoResult.DataTotalSize); 
+            auto protoResult = pathDescription->AddLastBackupResult();
+            const auto& txId = iter.first;
+            const auto& tInfoResult = iter.second;
+            protoResult->SetErrorCount(
+                tInfoResult.TotalShardCount - tInfoResult.SuccessShardCount);
+            protoResult->SetCompleteTimeStamp(
+                tInfoResult.CompletionDateTime);
+            protoResult->SetStartTimeStamp(tInfoResult.StartDateTime);
+            protoResult->SetDataTotalSize(
+                tInfoResult.DataTotalSize);
             protoResult->SetTxId(ui64(txId));
- 
-            for (const auto& [shardId, status]: tInfoResult.ShardStatuses) { 
-                if (status.Success) { 
-                    continue; 
-                } 
- 
-                auto shardError = protoResult->AddErrors(); 
-                shardError->SetShardId(ui64(shardId.GetLocalId())); 
-                shardError->SetExplain(status.Error); 
-            } 
-        } 
-    } 
- 
-    for (const auto& child : pathEl->GetChildren()) { 
-        const auto& childName = child.first; 
-        const auto& childPathId = child.second; 
- 
-        Y_VERIFY(Self->PathsById.contains(childPathId)); 
-        auto childPath = Self->PathsById.at(childPathId); 
- 
-        if (childPath->Dropped()) { 
+
+            for (const auto& [shardId, status]: tInfoResult.ShardStatuses) {
+                if (status.Success) {
+                    continue;
+                }
+
+                auto shardError = protoResult->AddErrors();
+                shardError->SetShardId(ui64(shardId.GetLocalId()));
+                shardError->SetExplain(status.Error);
+            }
+        }
+    }
+
+    for (const auto& child : pathEl->GetChildren()) {
+        const auto& childName = child.first;
+        const auto& childPathId = child.second;
+
+        Y_VERIFY(Self->PathsById.contains(childPathId));
+        auto childPath = Self->PathsById.at(childPathId);
+
+        if (childPath->Dropped()) {
             continue;
         }
 
-        switch (childPath->PathType) { 
+        switch (childPath->PathType) {
         case NKikimrSchemeOp::EPathTypeTableIndex:
-            Self->DescribeTableIndex(childPathId, childName, *entry->AddTableIndexes()); 
-            break; 
+            Self->DescribeTableIndex(childPathId, childName, *entry->AddTableIndexes());
+            break;
         case NKikimrSchemeOp::EPathTypeCdcStream:
-            Self->DescribeCdcStream(childPathId, childName, *entry->AddCdcStreams()); 
-            break; 
+            Self->DescribeCdcStream(childPathId, childName, *entry->AddCdcStreams());
+            break;
         case NKikimrSchemeOp::EPathTypeSequence:
             Self->DescribeSequence(childPathId, childName, *entry->AddSequences());
             break;
-        default: 
-            Y_FAIL_S("Unexpected table's child" 
-                << ": tableId# " << pathId 
-                << ", childId# " << childPathId 
-                << ", childName# " << childName 
-                << ", childType# " << static_cast<ui32>(childPath->PathType)); 
-        } 
-    } 
-} 
- 
+        default:
+            Y_FAIL_S("Unexpected table's child"
+                << ": tableId# " << pathId
+                << ", childId# " << childPathId
+                << ", childName# " << childName
+                << ", childType# " << static_cast<ui32>(childPath->PathType));
+        }
+    }
+}
+
 void TPathDescriber::DescribeOlapStore(TPathId pathId, TPathElement::TPtr pathEl) {
     const TOlapStoreInfo::TPtr storeInfo = *Self->OlapStores.FindPtr(pathId);
     Y_VERIFY(storeInfo, "OlapStore not found");
@@ -396,190 +396,190 @@ void TPathDescriber::DescribeOlapTable(TPathId pathId, TPathElement::TPtr pathEl
 #endif
 }
 
-void TPathDescriber::DescribePersQueueGroup(TPathId pathId, TPathElement::TPtr pathEl) { 
-    auto it = Self->PersQueueGroups.FindPtr(pathId); 
-    Y_VERIFY(it, "PersQueueGroup is not found"); 
-    TPersQueueGroupInfo::TPtr pqGroupInfo = *it; 
- 
-    if (pqGroupInfo->PreSerializedPathDescription.empty()) { 
+void TPathDescriber::DescribePersQueueGroup(TPathId pathId, TPathElement::TPtr pathEl) {
+    auto it = Self->PersQueueGroups.FindPtr(pathId);
+    Y_VERIFY(it, "PersQueueGroup is not found");
+    TPersQueueGroupInfo::TPtr pqGroupInfo = *it;
+
+    if (pqGroupInfo->PreSerializedPathDescription.empty()) {
         NKikimrScheme::TEvDescribeSchemeResult preSerializedResult;
-        auto entry = preSerializedResult.MutablePathDescription()->MutablePersQueueGroup(); 
-        entry->SetName(pathEl->Name); 
+        auto entry = preSerializedResult.MutablePathDescription()->MutablePersQueueGroup();
+        entry->SetName(pathEl->Name);
         entry->SetPathId(pathId.LocalPathId);
-        entry->SetNextPartitionId(pqGroupInfo->NextPartitionId); 
-        entry->SetTotalGroupCount(pqGroupInfo->TotalGroupCount); 
-        entry->SetPartitionPerTablet(pqGroupInfo->MaxPartsPerTablet); 
-        entry->SetAlterVersion(pqGroupInfo->AlterVersion); 
+        entry->SetNextPartitionId(pqGroupInfo->NextPartitionId);
+        entry->SetTotalGroupCount(pqGroupInfo->TotalGroupCount);
+        entry->SetPartitionPerTablet(pqGroupInfo->MaxPartsPerTablet);
+        entry->SetAlterVersion(pqGroupInfo->AlterVersion);
         Y_PROTOBUF_SUPPRESS_NODISCARD entry->MutablePQTabletConfig()->ParseFromString(pqGroupInfo->TabletConfig);
- 
-        if (pqGroupInfo->HasBalancer()) { 
+
+        if (pqGroupInfo->HasBalancer()) {
             entry->SetBalancerTabletID(ui64(pqGroupInfo->BalancerTabletID));
-        } 
- 
+        }
+
         Y_PROTOBUF_SUPPRESS_NODISCARD preSerializedResult.SerializeToString(&pqGroupInfo->PreSerializedPathDescription);
-    } 
- 
-    Y_VERIFY_DEBUG(!pqGroupInfo->PreSerializedPathDescription.empty()); 
-    Result->PreSerializedData += pqGroupInfo->PreSerializedPathDescription; 
- 
-    bool returnPartitioning = Params.GetReturnPartitioningInfo(); 
-    if (returnPartitioning) { 
-        if (pqGroupInfo->PreSerializedPartitionsDescription.empty()) { 
+    }
+
+    Y_VERIFY_DEBUG(!pqGroupInfo->PreSerializedPathDescription.empty());
+    Result->PreSerializedData += pqGroupInfo->PreSerializedPathDescription;
+
+    bool returnPartitioning = Params.GetReturnPartitioningInfo();
+    if (returnPartitioning) {
+        if (pqGroupInfo->PreSerializedPartitionsDescription.empty()) {
             NKikimrScheme::TEvDescribeSchemeResult preSerializedResult;
-            auto entry = preSerializedResult.MutablePathDescription()->MutablePersQueueGroup(); 
- 
-            struct TPartitionDesc { 
-                TTabletId TabletId = InvalidTabletId; 
-                const TPQShardInfo::TPersQueueInfo* Info = nullptr; 
-            }; 
- 
-            TVector<TPartitionDesc> descriptions; // index is pqId 
-            descriptions.resize(pqGroupInfo->TotalPartitionCount); 
- 
-            for (const auto& [shardIdx, pqShard] : pqGroupInfo->Shards) { 
-                auto it = Self->ShardInfos.find(shardIdx); 
-                Y_VERIFY_S(it != Self->ShardInfos.end(), "No shard with shardIdx: " << shardIdx); 
- 
-                for (const auto& pq : pqShard->PQInfos) { 
-                    if (pq.AlterVersion <= pqGroupInfo->AlterVersion) { 
-                        Y_VERIFY_S(pq.PqId < pqGroupInfo->NextPartitionId, 
-                            "Wrong pqId: " << pq.PqId << ", nextPqId: " << pqGroupInfo->NextPartitionId); 
-                        descriptions[pq.PqId] = {it->second.TabletID, &pq}; 
-                    } 
-                } 
-            } 
- 
-            for (ui32 pqId = 0; pqId < descriptions.size(); ++pqId) { 
-                const auto& desc = descriptions.at(pqId); 
-                auto& partition = *entry->AddPartitions(); 
- 
-                Y_VERIFY_S(desc.TabletId, "Unassigned tabetId for partition: " << pqId); 
-                Y_VERIFY_S(desc.Info, "Empty info for partition: " << pqId); 
- 
-                partition.SetPartitionId(pqId); 
-                partition.SetTabletId(ui64(desc.TabletId)); 
-                if (desc.Info->KeyRange) { 
-                    desc.Info->KeyRange->SerializeToProto(*partition.MutableKeyRange()); 
-                } 
-            } 
- 
+            auto entry = preSerializedResult.MutablePathDescription()->MutablePersQueueGroup();
+
+            struct TPartitionDesc {
+                TTabletId TabletId = InvalidTabletId;
+                const TPQShardInfo::TPersQueueInfo* Info = nullptr;
+            };
+
+            TVector<TPartitionDesc> descriptions; // index is pqId
+            descriptions.resize(pqGroupInfo->TotalPartitionCount);
+
+            for (const auto& [shardIdx, pqShard] : pqGroupInfo->Shards) {
+                auto it = Self->ShardInfos.find(shardIdx);
+                Y_VERIFY_S(it != Self->ShardInfos.end(), "No shard with shardIdx: " << shardIdx);
+
+                for (const auto& pq : pqShard->PQInfos) {
+                    if (pq.AlterVersion <= pqGroupInfo->AlterVersion) {
+                        Y_VERIFY_S(pq.PqId < pqGroupInfo->NextPartitionId,
+                            "Wrong pqId: " << pq.PqId << ", nextPqId: " << pqGroupInfo->NextPartitionId);
+                        descriptions[pq.PqId] = {it->second.TabletID, &pq};
+                    }
+                }
+            }
+
+            for (ui32 pqId = 0; pqId < descriptions.size(); ++pqId) {
+                const auto& desc = descriptions.at(pqId);
+                auto& partition = *entry->AddPartitions();
+
+                Y_VERIFY_S(desc.TabletId, "Unassigned tabetId for partition: " << pqId);
+                Y_VERIFY_S(desc.Info, "Empty info for partition: " << pqId);
+
+                partition.SetPartitionId(pqId);
+                partition.SetTabletId(ui64(desc.TabletId));
+                if (desc.Info->KeyRange) {
+                    desc.Info->KeyRange->SerializeToProto(*partition.MutableKeyRange());
+                }
+            }
+
             Y_PROTOBUF_SUPPRESS_NODISCARD preSerializedResult.SerializeToString(&pqGroupInfo->PreSerializedPartitionsDescription);
-        } 
- 
-        Y_VERIFY_DEBUG(!pqGroupInfo->PreSerializedPartitionsDescription.empty()); 
-        Result->PreSerializedData += pqGroupInfo->PreSerializedPartitionsDescription; 
-    } 
- 
-    Y_VERIFY_DEBUG(!Result->PreSerializedData.empty()); 
-    if (!pathEl->IsCreateFinished()) { 
-        // Don't cache until create finishes (KIKIMR-4337) 
-        pqGroupInfo->PreSerializedPathDescription.clear(); 
-        pqGroupInfo->PreSerializedPartitionsDescription.clear(); 
-    } 
-} 
- 
-void TPathDescriber::DescribeRtmrVolume(TPathId pathId, TPathElement::TPtr pathEl) { 
-    auto it = Self->RtmrVolumes.FindPtr(pathId); 
-    Y_VERIFY(it, "RtmrVolume is not found"); 
-    TRtmrVolumeInfo::TPtr rtmrVolumeInfo = *it; 
- 
-    auto entry = Result->Record.MutablePathDescription()->MutableRtmrVolumeDescription(); 
-    entry->SetName(pathEl->Name); 
+        }
+
+        Y_VERIFY_DEBUG(!pqGroupInfo->PreSerializedPartitionsDescription.empty());
+        Result->PreSerializedData += pqGroupInfo->PreSerializedPartitionsDescription;
+    }
+
+    Y_VERIFY_DEBUG(!Result->PreSerializedData.empty());
+    if (!pathEl->IsCreateFinished()) {
+        // Don't cache until create finishes (KIKIMR-4337)
+        pqGroupInfo->PreSerializedPathDescription.clear();
+        pqGroupInfo->PreSerializedPartitionsDescription.clear();
+    }
+}
+
+void TPathDescriber::DescribeRtmrVolume(TPathId pathId, TPathElement::TPtr pathEl) {
+    auto it = Self->RtmrVolumes.FindPtr(pathId);
+    Y_VERIFY(it, "RtmrVolume is not found");
+    TRtmrVolumeInfo::TPtr rtmrVolumeInfo = *it;
+
+    auto entry = Result->Record.MutablePathDescription()->MutableRtmrVolumeDescription();
+    entry->SetName(pathEl->Name);
     entry->SetPathId(pathId.LocalPathId);
-    entry->SetPartitionsCount(rtmrVolumeInfo->Partitions.size()); 
- 
-    for (const auto& partition: rtmrVolumeInfo->Partitions) { 
-        auto part = entry->AddPartitions(); 
-        part->SetPartitionId((const char*)partition.second->Id.dw, sizeof(TGUID)); 
-        part->SetBusKey(partition.second->BusKey); 
+    entry->SetPartitionsCount(rtmrVolumeInfo->Partitions.size());
+
+    for (const auto& partition: rtmrVolumeInfo->Partitions) {
+        auto part = entry->AddPartitions();
+        part->SetPartitionId((const char*)partition.second->Id.dw, sizeof(TGUID));
+        part->SetBusKey(partition.second->BusKey);
         part->SetTabletId(ui64(partition.second->TabletId));
-    } 
- 
-    Sort(entry->MutablePartitions()->begin(), 
-         entry->MutablePartitions()->end(), 
-         [](const auto& part1, const auto& part2){ 
-             return part1.GetBusKey() < part2.GetBusKey(); 
-         }); 
-} 
- 
+    }
+
+    Sort(entry->MutablePartitions()->begin(),
+         entry->MutablePartitions()->end(),
+         [](const auto& part1, const auto& part2){
+             return part1.GetBusKey() < part2.GetBusKey();
+         });
+}
+
 void TPathDescriber::DescribeTableIndex(const TPath& path) {
-    Self->DescribeTableIndex(path.Base()->PathId, path.Base()->Name, 
-        *Result->Record.MutablePathDescription()->MutableTableIndex()); 
+    Self->DescribeTableIndex(path.Base()->PathId, path.Base()->Name,
+        *Result->Record.MutablePathDescription()->MutableTableIndex());
+    DescribeChildren(path);
+}
+
+void TPathDescriber::DescribeCdcStream(const TPath& path) {
+    Self->DescribeCdcStream(path.Base()->PathId, path.Base()->Name,
+        *Result->Record.MutablePathDescription()->MutableCdcStreamDescription());
     DescribeChildren(path);
-} 
- 
-void TPathDescriber::DescribeCdcStream(const TPath& path) { 
-    Self->DescribeCdcStream(path.Base()->PathId, path.Base()->Name, 
-        *Result->Record.MutablePathDescription()->MutableCdcStreamDescription()); 
-    DescribeChildren(path); 
-} 
- 
-void TPathDescriber::DescribeSolomonVolume(TPathId pathId, TPathElement::TPtr pathEl, bool returnChannelsBinding) { 
-    auto it = Self->SolomonVolumes.FindPtr(pathId); 
-    Y_VERIFY(it, "SolomonVolume is not found"); 
-    TSolomonVolumeInfo::TPtr solomonVolumeInfo = *it; 
- 
-    auto entry = Result->Record.MutablePathDescription()->MutableSolomonDescription(); 
-    entry->SetName(pathEl->Name); 
+}
+
+void TPathDescriber::DescribeSolomonVolume(TPathId pathId, TPathElement::TPtr pathEl, bool returnChannelsBinding) {
+    auto it = Self->SolomonVolumes.FindPtr(pathId);
+    Y_VERIFY(it, "SolomonVolume is not found");
+    TSolomonVolumeInfo::TPtr solomonVolumeInfo = *it;
+
+    auto entry = Result->Record.MutablePathDescription()->MutableSolomonDescription();
+    entry->SetName(pathEl->Name);
     entry->SetPathId(pathId.LocalPathId);
-    entry->SetPartitionCount(solomonVolumeInfo->Partitions.size()); 
- 
-    for (const auto& partition: solomonVolumeInfo->Partitions) { 
-        auto shardId = partition.first; 
-        auto shardInfo = Self->ShardInfos.FindPtr(shardId); 
-        Y_VERIFY(shardInfo); 
- 
-        auto part = entry->AddPartitions(); 
-        part->SetPartitionId(partition.second->PartitionId); 
+    entry->SetPartitionCount(solomonVolumeInfo->Partitions.size());
+
+    for (const auto& partition: solomonVolumeInfo->Partitions) {
+        auto shardId = partition.first;
+        auto shardInfo = Self->ShardInfos.FindPtr(shardId);
+        Y_VERIFY(shardInfo);
+
+        auto part = entry->AddPartitions();
+        part->SetPartitionId(partition.second->PartitionId);
         part->SetShardIdx(ui64(shardId.GetLocalId()));
-        auto tabletId = partition.second->TabletId; 
-        if (tabletId != InvalidTabletId) { 
+        auto tabletId = partition.second->TabletId;
+        if (tabletId != InvalidTabletId) {
             part->SetTabletId(ui64(partition.second->TabletId));
-        } 
- 
-        if (returnChannelsBinding) { 
-            for (const auto& channel : shardInfo->BindedChannels) { 
-                part->AddBoundChannels()->CopyFrom(channel); 
-            } 
-        } 
-    } 
- 
-    Sort(entry->MutablePartitions()->begin(), 
-         entry->MutablePartitions()->end(), 
-         [] (auto& part1, auto& part2) { 
-             return part1.GetPartitionId() < part2.GetPartitionId(); 
-         }); 
-} 
- 
-void TPathDescriber::DescribeUserAttributes(TPathElement::TPtr pathEl) { 
+        }
+
+        if (returnChannelsBinding) {
+            for (const auto& channel : shardInfo->BindedChannels) {
+                part->AddBoundChannels()->CopyFrom(channel);
+            }
+        }
+    }
+
+    Sort(entry->MutablePartitions()->begin(),
+         entry->MutablePartitions()->end(),
+         [] (auto& part1, auto& part2) {
+             return part1.GetPartitionId() < part2.GetPartitionId();
+         });
+}
+
+void TPathDescriber::DescribeUserAttributes(TPathElement::TPtr pathEl) {
     if (!pathEl->UserAttrs->Size() && !pathEl->HasRuntimeAttrs()) {
-        return; 
-    } 
- 
-    auto* userAttrs = Result->Record.MutablePathDescription()->MutableUserAttributes(); 
-    for (const auto& item: pathEl->UserAttrs->Attrs) { 
-        auto* attr = userAttrs->Add(); 
-        attr->SetKey(item.first); 
-        attr->SetValue(item.second); 
-    } 
+        return;
+    }
+
+    auto* userAttrs = Result->Record.MutablePathDescription()->MutableUserAttributes();
+    for (const auto& item: pathEl->UserAttrs->Attrs) {
+        auto* attr = userAttrs->Add();
+        attr->SetKey(item.first);
+        attr->SetValue(item.second);
+    }
     pathEl->SerializeRuntimeAttrs(userAttrs);
-} 
- 
+}
+
 void TPathDescriber::DescribePathVersion(const TPath& path) {
     const auto& version = Self->GetPathVersion(path);
     Result->Record.MutablePathDescription()->MutableSelf()->SetPathVersion(version.GetGeneralVersion());
     Result->Record.MutablePathDescription()->MutableSelf()->MutableVersion()->CopyFrom(version);
-} 
- 
+}
+
 void TPathDescriber::DescribeDomain(TPathElement::TPtr pathEl) {
     TPathId domainId = Self->ResolveDomainId(pathEl);
- 
+
     TPathElement::TPtr domainEl = Self->PathsById.at(domainId);
     Y_VERIFY(domainEl);
 
     DescribeDomainRoot(domainEl);
-} 
- 
+}
+
 void TPathDescriber::DescribeRevertedMigrations(TPathElement::TPtr pathEl) {
     Y_VERIFY(pathEl->IsDomainRoot());
 
@@ -595,13 +595,13 @@ void TPathDescriber::DescribeRevertedMigrations(TPathElement::TPtr pathEl) {
 
 void TPathDescriber::DescribeDomainRoot(TPathElement::TPtr pathEl) {
     Y_VERIFY(pathEl->IsDomainRoot());
-    auto it = Self->SubDomains.FindPtr(pathEl->PathId); 
+    auto it = Self->SubDomains.FindPtr(pathEl->PathId);
     Y_VERIFY(it, "SubDomain not found");
-    auto subDomainInfo = *it; 
- 
-    NKikimrSubDomains::TDomainDescription * entry = Result->Record.MutablePathDescription()->MutableDomainDescription(); 
+    auto subDomainInfo = *it;
+
+    NKikimrSubDomains::TDomainDescription * entry = Result->Record.MutablePathDescription()->MutableDomainDescription();
 
-    NKikimrSubDomains::TDomainKey *key = entry->MutableDomainKey(); 
+    NKikimrSubDomains::TDomainKey *key = entry->MutableDomainKey();
     entry->SetSchemeShardId_Depricated(Self->ParentDomainId.OwnerId);
     entry->SetPathId_Depricated(Self->ParentDomainId.LocalPathId);
 
@@ -612,24 +612,24 @@ void TPathDescriber::DescribeDomainRoot(TPathElement::TPtr pathEl) {
         key->SetSchemeShard(pathEl->PathId.OwnerId);
         key->SetPathId(pathEl->PathId.LocalPathId);
     }
- 
-    entry->MutableProcessingParams()->CopyFrom(subDomainInfo->GetProcessingParams()); 
- 
-    entry->SetPathsInside(subDomainInfo->GetPathsInside()); 
-    entry->SetPathsLimit(subDomainInfo->GetSchemeLimits().MaxPaths); 
-    entry->SetShardsInside(subDomainInfo->GetShardsInside()); 
-    entry->SetShardsLimit(subDomainInfo->GetSchemeLimits().MaxShards); 
+
+    entry->MutableProcessingParams()->CopyFrom(subDomainInfo->GetProcessingParams());
+
+    entry->SetPathsInside(subDomainInfo->GetPathsInside());
+    entry->SetPathsLimit(subDomainInfo->GetSchemeLimits().MaxPaths);
+    entry->SetShardsInside(subDomainInfo->GetShardsInside());
+    entry->SetShardsLimit(subDomainInfo->GetSchemeLimits().MaxShards);
     entry->SetPQPartitionsInside(subDomainInfo->GetPQPartitionsInside());
     entry->SetPQPartitionsLimit(subDomainInfo->GetSchemeLimits().MaxPQPartitions);
- 
-    NKikimrSubDomains::TDomainKey *resourcesKey = entry->MutableResourcesDomainKey(); 
-    resourcesKey->SetSchemeShard(subDomainInfo->GetResourcesDomainId().OwnerId); 
-    resourcesKey->SetPathId(subDomainInfo->GetResourcesDomainId().LocalPathId); 
- 
-    NKikimrSubDomains::TDiskSpaceUsage *diskSpaceUsage = entry->MutableDiskSpaceUsage(); 
-    diskSpaceUsage->MutableTables()->SetTotalSize(subDomainInfo->GetDiskSpaceUsage().Tables.TotalSize); 
-    diskSpaceUsage->MutableTables()->SetDataSize(subDomainInfo->GetDiskSpaceUsage().Tables.DataSize); 
-    diskSpaceUsage->MutableTables()->SetIndexSize(subDomainInfo->GetDiskSpaceUsage().Tables.IndexSize); 
+
+    NKikimrSubDomains::TDomainKey *resourcesKey = entry->MutableResourcesDomainKey();
+    resourcesKey->SetSchemeShard(subDomainInfo->GetResourcesDomainId().OwnerId);
+    resourcesKey->SetPathId(subDomainInfo->GetResourcesDomainId().LocalPathId);
+
+    NKikimrSubDomains::TDiskSpaceUsage *diskSpaceUsage = entry->MutableDiskSpaceUsage();
+    diskSpaceUsage->MutableTables()->SetTotalSize(subDomainInfo->GetDiskSpaceUsage().Tables.TotalSize);
+    diskSpaceUsage->MutableTables()->SetDataSize(subDomainInfo->GetDiskSpaceUsage().Tables.DataSize);
+    diskSpaceUsage->MutableTables()->SetIndexSize(subDomainInfo->GetDiskSpaceUsage().Tables.IndexSize);
 
     if (subDomainInfo->GetDeclaredSchemeQuotas()) {
         entry->MutableDeclaredSchemeQuotas()->CopyFrom(*subDomainInfo->GetDeclaredSchemeQuotas());
@@ -642,8 +642,8 @@ void TPathDescriber::DescribeDomainRoot(TPathElement::TPtr pathEl) {
     if (subDomainInfo->GetDiskQuotaExceeded()) {
         entry->MutableDomainState()->SetDiskQuotaExceeded(true);
     }
-} 
- 
+}
+
 void TPathDescriber::DescribeDomainExtra(TPathElement::TPtr pathEl) {
     Y_VERIFY(pathEl->IsDomainRoot());
     auto it = Self->SubDomains.FindPtr(pathEl->PathId);
@@ -660,30 +660,30 @@ void TPathDescriber::DescribeDomainExtra(TPathElement::TPtr pathEl) {
     }
 }
 
-void TPathDescriber::DescribeBlockStoreVolume(TPathId pathId, TPathElement::TPtr pathEl) { 
-    Y_VERIFY(pathEl->IsBlockStoreVolume()); 
-    auto it = Self->BlockStoreVolumes.FindPtr(pathId); 
-    Y_VERIFY(it, "BlockStore volume is not found"); 
-    TBlockStoreVolumeInfo::TPtr volume = *it; 
- 
-    auto* entry = Result->Record.MutablePathDescription()->MutableBlockStoreVolumeDescription(); 
-    entry->SetName(pathEl->Name); 
+void TPathDescriber::DescribeBlockStoreVolume(TPathId pathId, TPathElement::TPtr pathEl) {
+    Y_VERIFY(pathEl->IsBlockStoreVolume());
+    auto it = Self->BlockStoreVolumes.FindPtr(pathId);
+    Y_VERIFY(it, "BlockStore volume is not found");
+    TBlockStoreVolumeInfo::TPtr volume = *it;
+
+    auto* entry = Result->Record.MutablePathDescription()->MutableBlockStoreVolumeDescription();
+    entry->SetName(pathEl->Name);
     entry->SetPathId(pathId.LocalPathId);
-    entry->MutableVolumeConfig()->CopyFrom(volume->VolumeConfig); 
-    entry->MutableVolumeConfig()->SetVersion(volume->AlterVersion); 
+    entry->MutableVolumeConfig()->CopyFrom(volume->VolumeConfig);
+    entry->MutableVolumeConfig()->SetVersion(volume->AlterVersion);
     entry->SetVolumeTabletId(ui64(volume->VolumeTabletId));
-    entry->SetAlterVersion(volume->AlterVersion); 
-    entry->SetMountToken(volume->MountToken); 
+    entry->SetAlterVersion(volume->AlterVersion);
+    entry->SetMountToken(volume->MountToken);
     entry->SetTokenVersion(volume->TokenVersion);
- 
-    const auto& tablets = volume->GetTablets(Self->ShardInfos); 
-    for (ui32 idx = 0; idx < tablets.size(); ++idx) { 
-        auto* part = entry->AddPartitions(); 
-        part->SetPartitionId(idx); 
+
+    const auto& tablets = volume->GetTablets(Self->ShardInfos);
+    for (ui32 idx = 0; idx < tablets.size(); ++idx) {
+        auto* part = entry->AddPartitions();
+        part->SetPartitionId(idx);
         part->SetTabletId(ui64(tablets[idx]));
-    } 
-} 
- 
+    }
+}
+
 void TPathDescriber::DescribeFileStore(TPathId pathId, TPathElement::TPtr pathEl) {
     Y_VERIFY(pathEl->IsFileStore());
     auto it = Self->FileStoreInfos.FindPtr(pathId);
@@ -703,57 +703,57 @@ void TPathDescriber::DescribeFileStore(TPathId pathId, TPathElement::TPtr pathEl
     config->SetVersion(fs->Version);
 }
 
-void TPathDescriber::DescribeKesus(TPathId pathId, TPathElement::TPtr pathEl) { 
-    Y_VERIFY(pathEl->IsKesus()); 
-    auto it = Self->KesusInfos.FindPtr(pathId); 
-    Y_VERIFY(it, "Kesus info not found"); 
-    TKesusInfo::TPtr kesus = *it; 
- 
-    auto* entry = Result->Record.MutablePathDescription()->MutableKesus(); 
-    entry->SetName(pathEl->Name); 
+void TPathDescriber::DescribeKesus(TPathId pathId, TPathElement::TPtr pathEl) {
+    Y_VERIFY(pathEl->IsKesus());
+    auto it = Self->KesusInfos.FindPtr(pathId);
+    Y_VERIFY(it, "Kesus info not found");
+    TKesusInfo::TPtr kesus = *it;
+
+    auto* entry = Result->Record.MutablePathDescription()->MutableKesus();
+    entry->SetName(pathEl->Name);
     entry->SetPathId(pathId.LocalPathId);
     if (kesus->KesusTabletId) {
         entry->SetKesusTabletId(ui64(kesus->KesusTabletId));
     }
-    entry->MutableConfig()->CopyFrom(kesus->Config); 
-    entry->SetVersion(kesus->Version); 
-} 
- 
+    entry->MutableConfig()->CopyFrom(kesus->Config);
+    entry->SetVersion(kesus->Version);
+}
+
 void TPathDescriber::DescribeSequence(TPathId pathId, TPathElement::TPtr pathEl) {
     Y_VERIFY(pathEl->IsSequence());
     Self->DescribeSequence(pathId, pathEl->Name, *Result->Record.MutablePathDescription()->MutableSequenceDescription());
 }
 
-void TPathDescriber::DescribeReplication(TPathId pathId, TPathElement::TPtr pathEl) { 
-    Y_VERIFY(pathEl->IsReplication()); 
-    Self->DescribeReplication(pathId, pathEl->Name, *Result->Record.MutablePathDescription()->MutableReplicationDescription()); 
-} 
- 
+void TPathDescriber::DescribeReplication(TPathId pathId, TPathElement::TPtr pathEl) {
+    Y_VERIFY(pathEl->IsReplication());
+    Self->DescribeReplication(pathId, pathEl->Name, *Result->Record.MutablePathDescription()->MutableReplicationDescription());
+}
+
 THolder<TEvSchemeShard::TEvDescribeSchemeResultBuilder> TPathDescriber::Describe(const TActorContext& ctx) {
     TPathId pathId = Params.HasPathId() ? TPathId(Params.GetSchemeshardId(), Params.GetPathId()) : InvalidPathId;
-    TString pathStr = Params.GetPath(); 
- 
-    TPath path = Params.HasPathId() 
-        ? TPath::Init(pathId, Self) 
-        : TPath::Resolve(pathStr, Self); 
-    { 
-        TPath::TChecker checks = path.Check(); 
-        checks 
+    TString pathStr = Params.GetPath();
+
+    TPath path = Params.HasPathId()
+        ? TPath::Init(pathId, Self)
+        : TPath::Resolve(pathStr, Self);
+    {
+        TPath::TChecker checks = path.Check();
+        checks
             .NotEmpty(NKikimrScheme::StatusPathDoesNotExist)
             .IsAtLocalSchemeShard()
-            .IsResolved(); 
- 
-        if (checks) { 
-            if (Params.HasPathId()) { 
-                pathStr = path.PathString(); 
-            } else { 
-                pathId = path.Base()->PathId; 
-            } 
-        } 
- 
-        checks 
+            .IsResolved();
+
+        if (checks) {
+            if (Params.HasPathId()) {
+                pathStr = path.PathString();
+            } else {
+                pathId = path.Base()->PathId;
+            }
+        }
+
+        checks
             .NotDeleted();
- 
+
         if (checks && !path.Base()->IsTable() && !path.Base()->IsTableIndex() && !path.Base()->IsDirectory()) {
             // KIKIMR-13173
             // PQ BSV drop their shard before PlatStep
@@ -765,10 +765,10 @@ THolder<TEvSchemeShard::TEvDescribeSchemeResultBuilder> TPathDescriber::Describe
             checks.IsCommonSensePath();
         }
 
-        if (!checks) { 
-            TString explain; 
-            auto status = checks.GetStatus(&explain); 
- 
+        if (!checks) {
+            TString explain;
+            auto status = checks.GetStatus(&explain);
+
             if (Params.HasPathId()) {
                 pathStr = path.PathString();
             }
@@ -778,9 +778,9 @@ THolder<TEvSchemeShard::TEvDescribeSchemeResultBuilder> TPathDescriber::Describe
                 Self->TabletID(),
                 pathId
                 ));
-            Result->Record.SetStatus(status); 
-            Result->Record.SetReason(explain); 
- 
+            Result->Record.SetStatus(status);
+            Result->Record.SetReason(explain);
+
             TPath firstExisted = path.FirstExistedParent();
             FillLastExistedPrefixDescr(firstExisted);
 
@@ -788,20 +788,20 @@ THolder<TEvSchemeShard::TEvDescribeSchemeResultBuilder> TPathDescriber::Describe
                 DescribeDomain(firstExisted.Base());
             }
 
-            return std::move(Result); 
-        } 
-    } 
- 
+            return std::move(Result);
+        }
+    }
+
     Result = MakeHolder<TEvSchemeShard::TEvDescribeSchemeResultBuilder>(pathStr, Self->TabletID(), pathId);
- 
-    auto descr = Result->Record.MutablePathDescription()->MutableSelf(); 
-    FillPathDescr(descr, path); 
+
+    auto descr = Result->Record.MutablePathDescription()->MutableSelf();
+    FillPathDescr(descr, path);
     BuildEffectiveACL(descr, path);
     auto base = path.Base();
     DescribeDomain(base);
     DescribeUserAttributes(base);
     DescribePathVersion(path);
- 
+
     if (base->IsCreateFinished()) {
         switch (base->PathType) {
         case NKikimrSchemeOp::EPathTypeDir:
@@ -848,14 +848,14 @@ THolder<TEvSchemeShard::TEvDescribeSchemeResultBuilder> TPathDescriber::Describe
             DescribeTableIndex(path);
             break;
         case NKikimrSchemeOp::EPathTypeCdcStream:
-            DescribeCdcStream(path); 
+            DescribeCdcStream(path);
             break;
         case NKikimrSchemeOp::EPathTypeSequence:
             DescribeSequence(path.Base()->PathId, path.Base());
             break;
-        case NKikimrSchemeOp::EPathTypeReplication: 
-            DescribeReplication(path.Base()->PathId, path.Base()); 
-            break; 
+        case NKikimrSchemeOp::EPathTypeReplication:
+            DescribeReplication(path.Base()->PathId, path.Base());
+            break;
         case NKikimrSchemeOp::EPathTypeInvalid:
             Y_UNREACHABLE();
         }
@@ -863,54 +863,54 @@ THolder<TEvSchemeShard::TEvDescribeSchemeResultBuilder> TPathDescriber::Describe
         // here we do not full any object specific information, like table description
         // nevertheless, chindren list should be set even when dir or children is being created right now
         DescribeChildren(path);
-    } 
- 
+    }
+
     Result->Record.SetStatus(NKikimrScheme::StatusSuccess);
-    return std::move(Result); 
-} 
- 
+    return std::move(Result);
+}
+
 THolder<TEvSchemeShard::TEvDescribeSchemeResultBuilder> DescribePath(
     TSchemeShard* self,
-    const TActorContext& ctx, 
-    TPathId pathId, 
+    const TActorContext& ctx,
+    TPathId pathId,
     const NKikimrSchemeOp::TDescribeOptions& opts
-) { 
+) {
     NKikimrSchemeOp::TDescribePath params;
     params.SetSchemeshardId(pathId.OwnerId); // ????
     params.SetPathId(pathId.LocalPathId);
-    params.MutableOptions()->CopyFrom(opts); 
- 
-    return TPathDescriber(self, std::move(params)).Describe(ctx); 
-} 
- 
+    params.MutableOptions()->CopyFrom(opts);
+
+    return TPathDescriber(self, std::move(params)).Describe(ctx);
+}
+
 THolder<TEvSchemeShard::TEvDescribeSchemeResultBuilder> DescribePath(
     TSchemeShard* self,
-    const TActorContext& ctx, 
-    TPathId pathId 
-) { 
+    const TActorContext& ctx,
+    TPathId pathId
+) {
     NKikimrSchemeOp::TDescribeOptions options;
-    options.SetShowPrivateTable(true); 
-    return DescribePath(self, ctx, pathId, options); 
-} 
- 
+    options.SetShowPrivateTable(true);
+    return DescribePath(self, ctx, pathId, options);
+}
+
 void TSchemeShard::DescribeTable(const TTableInfo::TPtr tableInfo, const NScheme::TTypeRegistry* typeRegistry,
                                      bool fillConfig, bool fillBoundaries, NKikimrSchemeOp::TTableDescription* entry) const
 {
     THashMap<ui32, TString> familyNames;
     bool familyNamesBuilt = false;
- 
+
     entry->SetTableSchemaVersion(tableInfo->AlterVersion);
-    entry->MutableColumns()->Reserve(tableInfo->Columns.size()); 
-    for (auto col : tableInfo->Columns) { 
-        const auto& cinfo = col.second; 
-        if (cinfo.IsDropped()) 
-            continue; 
- 
-        auto colDescr = entry->AddColumns(); 
-        colDescr->SetName(cinfo.Name); 
-        colDescr->SetType(typeRegistry->GetTypeName(cinfo.PType)); 
-        colDescr->SetTypeId(cinfo.PType); 
-        colDescr->SetId(cinfo.Id); 
+    entry->MutableColumns()->Reserve(tableInfo->Columns.size());
+    for (auto col : tableInfo->Columns) {
+        const auto& cinfo = col.second;
+        if (cinfo.IsDropped())
+            continue;
+
+        auto colDescr = entry->AddColumns();
+        colDescr->SetName(cinfo.Name);
+        colDescr->SetType(typeRegistry->GetTypeName(cinfo.PType));
+        colDescr->SetTypeId(cinfo.PType);
+        colDescr->SetId(cinfo.Id);
         colDescr->SetNotNull(cinfo.NotNull);
 
         if (cinfo.Family != 0) {
@@ -938,100 +938,100 @@ void TSchemeShard::DescribeTable(const TTableInfo::TPtr tableInfo, const NScheme
                 colDescr->SetDefaultFromSequence(cinfo.DefaultValue);
                 break;
         }
-    } 
-    Y_VERIFY(!tableInfo->KeyColumnIds.empty()); 
+    }
+    Y_VERIFY(!tableInfo->KeyColumnIds.empty());
 
     entry->MutableKeyColumnNames()->Reserve(tableInfo->KeyColumnIds.size());
     entry->MutableKeyColumnIds()->Reserve(tableInfo->KeyColumnIds.size());
-    for (ui32 keyColId : tableInfo->KeyColumnIds) { 
-        entry->AddKeyColumnNames(tableInfo->Columns[keyColId].Name); 
-        entry->AddKeyColumnIds(keyColId); 
-    } 
- 
-    if (fillConfig) { 
-        entry->MutablePartitionConfig()->CopyFrom(tableInfo->PartitionConfig()); 
+    for (ui32 keyColId : tableInfo->KeyColumnIds) {
+        entry->AddKeyColumnNames(tableInfo->Columns[keyColId].Name);
+        entry->AddKeyColumnIds(keyColId);
+    }
+
+    if (fillConfig) {
+        entry->MutablePartitionConfig()->CopyFrom(tableInfo->PartitionConfig());
         TPartitionConfigMerger::DeduplicateColumnFamiliesById(*entry->MutablePartitionConfig());
-        entry->MutablePartitionConfig()->MutableStorageRooms()->Clear(); 
-    } 
- 
-    if (fillBoundaries) { 
-        FillTableBoundaries(tableInfo, *entry->MutableSplitBoundary()); 
-    } 
- 
-    if (tableInfo->HasTTLSettings()) { 
-        entry->MutableTTLSettings()->CopyFrom(tableInfo->TTLSettings()); 
-    } 
- 
-    entry->SetIsBackup(tableInfo->IsBackup); 
-} 
- 
+        entry->MutablePartitionConfig()->MutableStorageRooms()->Clear();
+    }
+
+    if (fillBoundaries) {
+        FillTableBoundaries(tableInfo, *entry->MutableSplitBoundary());
+    }
+
+    if (tableInfo->HasTTLSettings()) {
+        entry->MutableTTLSettings()->CopyFrom(tableInfo->TTLSettings());
+    }
+
+    entry->SetIsBackup(tableInfo->IsBackup);
+}
+
 void TSchemeShard::DescribeTableIndex(const TPathId& pathId, const TString& name,
         NKikimrSchemeOp::TIndexDescription& entry)
-{ 
-    auto it = Indexes.FindPtr(pathId); 
-    Y_VERIFY(it, "TableIndex is not found"); 
-    TTableIndexInfo::TPtr indexInfo = *it; 
- 
-    DescribeTableIndex(pathId, name, indexInfo, entry); 
-} 
- 
+{
+    auto it = Indexes.FindPtr(pathId);
+    Y_VERIFY(it, "TableIndex is not found");
+    TTableIndexInfo::TPtr indexInfo = *it;
+
+    DescribeTableIndex(pathId, name, indexInfo, entry);
+}
+
 void TSchemeShard::DescribeTableIndex(const TPathId& pathId, const TString& name, TTableIndexInfo::TPtr indexInfo,
         NKikimrSchemeOp::TIndexDescription& entry)
-{ 
-    Y_VERIFY(indexInfo, "Empty index info"); 
- 
-    entry.SetName(name); 
-    entry.SetLocalPathId(pathId.LocalPathId); 
-    entry.SetPathOwnerId(pathId.OwnerId); 
- 
-    entry.SetType(indexInfo->Type); 
-    entry.SetState(indexInfo->State); 
-    entry.SetSchemaVersion(indexInfo->AlterVersion); 
- 
-    for (const auto& keyName: indexInfo->IndexKeys) { 
-        *entry.MutableKeyColumnNames()->Add() = keyName; 
-    } 
- 
-    for (const auto& dataColumns: indexInfo->IndexDataColumns) { 
-        *entry.MutableDataColumnNames()->Add() = dataColumns; 
-    } 
- 
-    Y_VERIFY(PathsById.contains(pathId)); 
-    auto indexPath = PathsById.at(pathId); 
- 
-    Y_VERIFY(indexPath->GetChildren().size() == 1); 
-    const auto& indexImplPathId = indexPath->GetChildren().begin()->second; 
- 
-    Y_VERIFY(Tables.contains(indexImplPathId)); 
-    auto indexImplTable = Tables.at(indexImplPathId); 
- 
-    const auto& tableStats = indexImplTable->GetStats().Aggregated; 
-    entry.SetDataSize(tableStats.DataSize + tableStats.IndexSize); 
-} 
- 
+{
+    Y_VERIFY(indexInfo, "Empty index info");
+
+    entry.SetName(name);
+    entry.SetLocalPathId(pathId.LocalPathId);
+    entry.SetPathOwnerId(pathId.OwnerId);
+
+    entry.SetType(indexInfo->Type);
+    entry.SetState(indexInfo->State);
+    entry.SetSchemaVersion(indexInfo->AlterVersion);
+
+    for (const auto& keyName: indexInfo->IndexKeys) {
+        *entry.MutableKeyColumnNames()->Add() = keyName;
+    }
+
+    for (const auto& dataColumns: indexInfo->IndexDataColumns) {
+        *entry.MutableDataColumnNames()->Add() = dataColumns;
+    }
+
+    Y_VERIFY(PathsById.contains(pathId));
+    auto indexPath = PathsById.at(pathId);
+
+    Y_VERIFY(indexPath->GetChildren().size() == 1);
+    const auto& indexImplPathId = indexPath->GetChildren().begin()->second;
+
+    Y_VERIFY(Tables.contains(indexImplPathId));
+    auto indexImplTable = Tables.at(indexImplPathId);
+
+    const auto& tableStats = indexImplTable->GetStats().Aggregated;
+    entry.SetDataSize(tableStats.DataSize + tableStats.IndexSize);
+}
+
 void TSchemeShard::DescribeCdcStream(const TPathId& pathId, const TString& name,
         NKikimrSchemeOp::TCdcStreamDescription& desc)
-{ 
-    Y_VERIFY_S(CdcStreams.contains(pathId), "Cdc stream not found" 
-        << ": pathId# " << pathId 
-        << ", name# " << name); 
-    DescribeCdcStream(pathId, name, CdcStreams.at(pathId), desc); 
-} 
- 
+{
+    Y_VERIFY_S(CdcStreams.contains(pathId), "Cdc stream not found"
+        << ": pathId# " << pathId
+        << ", name# " << name);
+    DescribeCdcStream(pathId, name, CdcStreams.at(pathId), desc);
+}
+
 void TSchemeShard::DescribeCdcStream(const TPathId& pathId, const TString& name, TCdcStreamInfo::TPtr info,
         NKikimrSchemeOp::TCdcStreamDescription& desc)
-{ 
-    Y_VERIFY_S(info, "Empty cdc stream info" 
-        << ": pathId# " << pathId 
-        << ", name# " << name); 
- 
-    desc.SetName(name); 
-    desc.SetMode(info->Mode); 
-    PathIdFromPathId(pathId, desc.MutablePathId()); 
-    desc.SetState(info->State); 
-    desc.SetSchemaVersion(info->AlterVersion); 
-} 
- 
+{
+    Y_VERIFY_S(info, "Empty cdc stream info"
+        << ": pathId# " << pathId
+        << ", name# " << name);
+
+    desc.SetName(name);
+    desc.SetMode(info->Mode);
+    PathIdFromPathId(pathId, desc.MutablePathId());
+    desc.SetState(info->State);
+    desc.SetSchemaVersion(info->AlterVersion);
+}
+
 void TSchemeShard::DescribeSequence(const TPathId& pathId, const TString& name,
         NKikimrSchemeOp::TSequenceDescription& desc)
 {
@@ -1052,7 +1052,7 @@ void TSchemeShard::DescribeSequence(const TPathId& pathId, const TString& name,
     desc = info->Description;
 
     desc.SetName(name);
-    PathIdFromPathId(pathId, desc.MutablePathId()); 
+    PathIdFromPathId(pathId, desc.MutablePathId());
     desc.SetVersion(info->AlterVersion);
 
     if (info->Sharding.SequenceShardsSize() > 0) {
@@ -1065,58 +1065,58 @@ void TSchemeShard::DescribeSequence(const TPathId& pathId, const TString& name,
     }
 }
 
-void TSchemeShard::DescribeReplication(const TPathId& pathId, const TString& name, 
-        NKikimrSchemeOp::TReplicationDescription& desc) 
-{ 
-    auto it = Replications.find(pathId); 
-    Y_VERIFY_S(it != Replications.end(), "Replication not found" 
-        << " pathId# " << pathId 
-        << " name# " << name); 
-    DescribeReplication(pathId, name, it->second, desc); 
-} 
- 
-void TSchemeShard::DescribeReplication(const TPathId& pathId, const TString& name, TReplicationInfo::TPtr info, 
-        NKikimrSchemeOp::TReplicationDescription& desc) 
-{ 
-    Y_VERIFY_S(info, "Empty sequence info" 
-        << " pathId# " << pathId 
-        << " name# " << name); 
- 
-    desc = info->Description; 
- 
-    desc.SetName(name); 
-    PathIdFromPathId(pathId, desc.MutablePathId()); 
-    desc.SetVersion(info->AlterVersion); 
- 
-    const auto& controllers = ResolveDomainInfo(pathId)->GetReplicationControllers(); 
-    if (!controllers.empty()) { 
-        const auto shardIdx = *controllers.begin(); 
- 
-        Y_VERIFY(ShardInfos.contains(shardIdx)); 
-        const auto& shardInfo = ShardInfos.at(shardIdx); 
- 
-        if (shardInfo.TabletID != InvalidTabletId) { 
-            desc.SetControllerId(ui64(shardInfo.TabletID)); 
-        } 
-    } 
-} 
- 
+void TSchemeShard::DescribeReplication(const TPathId& pathId, const TString& name,
+        NKikimrSchemeOp::TReplicationDescription& desc)
+{
+    auto it = Replications.find(pathId);
+    Y_VERIFY_S(it != Replications.end(), "Replication not found"
+        << " pathId# " << pathId
+        << " name# " << name);
+    DescribeReplication(pathId, name, it->second, desc);
+}
+
+void TSchemeShard::DescribeReplication(const TPathId& pathId, const TString& name, TReplicationInfo::TPtr info,
+        NKikimrSchemeOp::TReplicationDescription& desc)
+{
+    Y_VERIFY_S(info, "Empty sequence info"
+        << " pathId# " << pathId
+        << " name# " << name);
+
+    desc = info->Description;
+
+    desc.SetName(name);
+    PathIdFromPathId(pathId, desc.MutablePathId());
+    desc.SetVersion(info->AlterVersion);
+
+    const auto& controllers = ResolveDomainInfo(pathId)->GetReplicationControllers();
+    if (!controllers.empty()) {
+        const auto shardIdx = *controllers.begin();
+
+        Y_VERIFY(ShardInfos.contains(shardIdx));
+        const auto& shardInfo = ShardInfos.at(shardIdx);
+
+        if (shardInfo.TabletID != InvalidTabletId) {
+            desc.SetControllerId(ui64(shardInfo.TabletID));
+        }
+    }
+}
+
 void TSchemeShard::FillTableBoundaries(const TTableInfo::TPtr tableInfo, google::protobuf::RepeatedPtrField<NKikimrSchemeOp::TSplitBoundary>& boundaries) {
-    TString errStr; 
-    // Number of split boundaries equals to number of partitions - 1 
-    boundaries.Reserve(tableInfo->GetPartitions().size() - 1); 
-    for (ui32 pi = 0; pi < tableInfo->GetPartitions().size() - 1; ++pi) { 
-        const auto& p = tableInfo->GetPartitions()[pi]; 
-        TSerializedCellVec endKey(p.EndOfRange); 
-        auto boundary = boundaries.Add()->MutableKeyPrefix(); 
-        for (ui32 ki = 0;  ki < endKey.GetCells().size(); ++ki){ 
-            const auto& c = endKey.GetCells()[ki]; 
-            ui32 typeId = tableInfo->Columns[tableInfo->KeyColumnIds[ki]].PType; 
-            bool ok = NMiniKQL::CellToValue(typeId, c, *boundary->AddTuple(), errStr); 
-            Y_VERIFY(ok, "Failed to build key tuple at postition %" PRIu32 " error: %s", ki, errStr.data()); 
-        } 
-    } 
-} 
- 
+    TString errStr;
+    // Number of split boundaries equals to number of partitions - 1
+    boundaries.Reserve(tableInfo->GetPartitions().size() - 1);
+    for (ui32 pi = 0; pi < tableInfo->GetPartitions().size() - 1; ++pi) {
+        const auto& p = tableInfo->GetPartitions()[pi];
+        TSerializedCellVec endKey(p.EndOfRange);
+        auto boundary = boundaries.Add()->MutableKeyPrefix();
+        for (ui32 ki = 0;  ki < endKey.GetCells().size(); ++ki){
+            const auto& c = endKey.GetCells()[ki];
+            ui32 typeId = tableInfo->Columns[tableInfo->KeyColumnIds[ki]].PType;
+            bool ok = NMiniKQL::CellToValue(typeId, c, *boundary->AddTuple(), errStr);
+            Y_VERIFY(ok, "Failed to build key tuple at postition %" PRIu32 " error: %s", ki, errStr.data());
+        }
+    }
+}
+
 } // NSchemeShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard_path_describer.h b/ydb/core/tx/schemeshard/schemeshard_path_describer.h
index 37a358827b..7d10ed1da7 100644
--- a/ydb/core/tx/schemeshard/schemeshard_path_describer.h
+++ b/ydb/core/tx/schemeshard/schemeshard_path_describer.h
@@ -1,81 +1,81 @@
-#pragma once 
- 
-#include "schemeshard_impl.h" 
- 
+#pragma once
+
+#include "schemeshard_impl.h"
+
 #include <ydb/core/protos/flat_scheme_op.pb.h>
- 
-#include <util/generic/ptr.h> 
-#include <util/generic/string.h> 
- 
-namespace NKikimr { 
+
+#include <util/generic/ptr.h>
+#include <util/generic/string.h>
+
+namespace NKikimr {
 namespace NSchemeShard {
- 
-class TPathDescriber { 
+
+class TPathDescriber {
     void FillPathDescr(NKikimrSchemeOp::TDirEntry* descr, TPathElement::TPtr pathEl,
-        TPathElement::EPathSubType subType = TPathElement::EPathSubType::EPathSubTypeEmpty); 
+        TPathElement::EPathSubType subType = TPathElement::EPathSubType::EPathSubTypeEmpty);
     void FillPathDescr(NKikimrSchemeOp::TDirEntry* descr, const TPath& path);
     void FillChildDescr(NKikimrSchemeOp::TDirEntry* descr, TPathElement::TPtr pathEl);
-    TPathElement::EPathSubType CalcPathSubType(const TPath& path); 
- 
+    TPathElement::EPathSubType CalcPathSubType(const TPath& path);
+
     void BuildEffectiveACL(NKikimrSchemeOp::TDirEntry* descr, const TPath& pathEl);
-    void FillLastExistedPrefixDescr(const TPath& path); 
- 
+    void FillLastExistedPrefixDescr(const TPath& path);
+
     void DescribeChildren(const TPath& path);
     void DescribeDir(const TPath& path);
-    void DescribeTable(const TActorContext& ctx, TPathId pathId, TPathElement::TPtr pathEl); 
+    void DescribeTable(const TActorContext& ctx, TPathId pathId, TPathElement::TPtr pathEl);
     void DescribeOlapStore(TPathId pathId, TPathElement::TPtr pathEl);
     void DescribeOlapTable(TPathId pathId, TPathElement::TPtr pathEl);
-    void DescribePersQueueGroup(TPathId pathId, TPathElement::TPtr pathEl); 
-    void DescribeRtmrVolume(TPathId pathId, TPathElement::TPtr pathEl); 
+    void DescribePersQueueGroup(TPathId pathId, TPathElement::TPtr pathEl);
+    void DescribeRtmrVolume(TPathId pathId, TPathElement::TPtr pathEl);
     void DescribeTableIndex(const TPath& path);
-    void DescribeCdcStream(const TPath& path); 
-    void DescribeSolomonVolume(TPathId pathId, TPathElement::TPtr pathEl, bool returnChannelsBinding); 
-    void DescribeUserAttributes(TPathElement::TPtr pathEl); 
+    void DescribeCdcStream(const TPath& path);
+    void DescribeSolomonVolume(TPathId pathId, TPathElement::TPtr pathEl, bool returnChannelsBinding);
+    void DescribeUserAttributes(TPathElement::TPtr pathEl);
     void DescribePathVersion(const TPath& path);
     void DescribeDomain(TPathElement::TPtr pathEl);
     void DescribeDomainRoot(TPathElement::TPtr pathEl);
     void DescribeDomainExtra(TPathElement::TPtr pathEl);
     void DescribeRevertedMigrations(TPathElement::TPtr pathEl);
 
-    void DescribeBlockStoreVolume(TPathId pathId, TPathElement::TPtr pathEl); 
+    void DescribeBlockStoreVolume(TPathId pathId, TPathElement::TPtr pathEl);
     void DescribeFileStore(TPathId pathId, TPathElement::TPtr pathEl);
-    void DescribeKesus(TPathId pathId, TPathElement::TPtr pathEl); 
+    void DescribeKesus(TPathId pathId, TPathElement::TPtr pathEl);
     void DescribeSequence(TPathId pathId, TPathElement::TPtr pathEl);
-    void DescribeReplication(TPathId pathId, TPathElement::TPtr pathEl); 
- 
-public: 
+    void DescribeReplication(TPathId pathId, TPathElement::TPtr pathEl);
+
+public:
     explicit TPathDescriber(TSchemeShard* self, NKikimrSchemeOp::TDescribePath&& params)
-        : Self(self) 
-        , Params(std::move(params)) 
-    { 
-    } 
- 
+        : Self(self)
+        , Params(std::move(params))
+    {
+    }
+
     const NKikimrSchemeOp::TDescribePath& GetParams() const {
-        return Params; 
-    } 
- 
+        return Params;
+    }
+
     THolder<TEvSchemeShard::TEvDescribeSchemeResultBuilder> Describe(const TActorContext& ctx);
- 
-private: 
+
+private:
     TSchemeShard* Self;
     NKikimrSchemeOp::TDescribePath Params;
- 
+
     THolder<TEvSchemeShard::TEvDescribeSchemeResultBuilder> Result;
- 
-}; // TPathDescriber 
- 
+
+}; // TPathDescriber
+
 THolder<TEvSchemeShard::TEvDescribeSchemeResultBuilder> DescribePath(
     TSchemeShard* self,
-    const TActorContext& ctx, 
-    TPathId pathId, 
+    const TActorContext& ctx,
+    TPathId pathId,
     const NKikimrSchemeOp::TDescribeOptions& opts
-); 
- 
+);
+
 THolder<TEvSchemeShard::TEvDescribeSchemeResultBuilder> DescribePath(
     TSchemeShard* self,
-    const TActorContext& ctx, 
-    TPathId pathId 
-); 
- 
+    const TActorContext& ctx,
+    TPathId pathId
+);
+
 } // NSchemeShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard_path_element.h b/ydb/core/tx/schemeshard/schemeshard_path_element.h
index 65812e7fe7..9912880c05 100644
--- a/ydb/core/tx/schemeshard/schemeshard_path_element.h
+++ b/ydb/core/tx/schemeshard/schemeshard_path_element.h
@@ -157,21 +157,21 @@ struct TUserAttributes: TSimpleRefCount<TUserAttributes> {
         return Attrs.size();
     }
 
-    ui64 Bytes() const { 
-        ui64 bytes = 0; 
- 
-        for (const auto& [key, value] : Attrs) { 
-            bytes += key.size(); 
-            bytes += value.size(); 
-        } 
- 
-        return bytes; 
-    } 
- 
+    ui64 Bytes() const {
+        ui64 bytes = 0;
+
+        for (const auto& [key, value] : Attrs) {
+            bytes += key.size();
+            bytes += value.size();
+        }
+
+        return bytes;
+    }
+
     bool CheckLimits(TString& errStr) const {
-        const ui64 bytes = Bytes(); 
+        const ui64 bytes = Bytes();
         if (bytes > TUserAttributesLimits::MaxBytes) {
-            errStr = Sprintf("UserArttibutes::CheckLimits: user attributes too big: %" PRIu64, bytes); 
+            errStr = Sprintf("UserArttibutes::CheckLimits: user attributes too big: %" PRIu64, bytes);
             return false;
         }
 
@@ -315,7 +315,7 @@ struct TPathElement : TSimpleRefCount<TPathElement> {
     TTxId LastTxId = InvalidTxId;
 
     ui64 DirAlterVersion = 0;
-    ui64 ACLVersion = 0; 
+    ui64 ACLVersion = 0;
 
     TUserAttributes::TPtr UserAttrs;
 
@@ -400,10 +400,10 @@ public:
         return PathType == EPathType::EPathTypeTableIndex;
     }
 
-    bool IsCdcStream() const { 
-        return PathType == EPathType::EPathTypeCdcStream; 
-    } 
- 
+    bool IsCdcStream() const {
+        return PathType == EPathType::EPathTypeCdcStream;
+    }
+
     bool IsTable() const {
         return PathType == EPathType::EPathTypeTable;
     }
@@ -456,10 +456,10 @@ public:
         return PathType == EPathType::EPathTypeSequence;
     }
 
-    bool IsReplication() const { 
-        return PathType == EPathType::EPathTypeReplication; 
-    } 
- 
+    bool IsReplication() const {
+        return PathType == EPathType::EPathTypeReplication;
+    }
+
     bool IsContainer() const {
         return PathType == EPathType::EPathTypeDir || PathType == EPathType::EPathTypeSubDomain
             || PathType == EPathType::EPathTypeColumnStore;
diff --git a/ydb/core/tx/schemeshard/schemeshard_private.h b/ydb/core/tx/schemeshard/schemeshard_private.h
index 425bf39290..207fd8d2c7 100644
--- a/ydb/core/tx/schemeshard/schemeshard_private.h
+++ b/ydb/core/tx/schemeshard/schemeshard_private.h
@@ -1,20 +1,20 @@
-#pragma once 
-#include "defs.h" 
- 
+#pragma once
+#include "defs.h"
+
 #include "schemeshard_identificators.h"
 
-namespace NKikimr { 
+namespace NKikimr {
 namespace NSchemeShard {
- 
-struct TEvPrivate { 
-    enum EEv { 
-        EvProgressOperation = EventSpaceBegin(TKikimrEvents::ES_PRIVATE), 
-        EvOperationPlanStep, 
+
+struct TEvPrivate {
+    enum EEv {
+        EvProgressOperation = EventSpaceBegin(TKikimrEvents::ES_PRIVATE),
+        EvOperationPlanStep,
         EvCommitTenantUpdate,
         EvUndoTenantUpdate,
-        EvRunConditionalErase, 
+        EvRunConditionalErase,
         EvIndexBuildBilling,
-        EvImportSchemeReady, 
+        EvImportSchemeReady,
         EvServerlessStorageBilling,
         EvCleanDroppedPaths,
         EvCleanDroppedSubDomains,
@@ -23,33 +23,33 @@ struct TEvPrivate {
         EvRunBackgroundCompaction,
         EvCompletePublication,
         EvCompleteBarrier,
-        EvEnd 
-    }; 
- 
-    static_assert(EvEnd < EventSpaceEnd(TKikimrEvents::ES_PRIVATE), "expect EvEnd < EventSpaceEnd(TKikimrEvents::ES_PRIVATE)"); 
- 
-    // This event is sent by a schemeshard to itself to signal that some tx state has changed 
-    // and it should run all the actions associated with this state 
-    struct TEvProgressOperation: public TEventLocal<TEvProgressOperation, EvProgressOperation> { 
-        const ui64 TxId; 
+        EvEnd
+    };
+
+    static_assert(EvEnd < EventSpaceEnd(TKikimrEvents::ES_PRIVATE), "expect EvEnd < EventSpaceEnd(TKikimrEvents::ES_PRIVATE)");
+
+    // This event is sent by a schemeshard to itself to signal that some tx state has changed
+    // and it should run all the actions associated with this state
+    struct TEvProgressOperation: public TEventLocal<TEvProgressOperation, EvProgressOperation> {
+        const ui64 TxId;
         const ui32 TxPartId;
- 
-        TEvProgressOperation(ui64 txId, ui32 part) 
-            : TxId(txId) 
-            , TxPartId(part) 
-        {} 
-    }; 
- 
-    struct TEvOperationPlan: public TEventLocal<TEvOperationPlan, EvOperationPlanStep> { 
-        const ui64 StepId; 
-        const ui64 TxId; 
- 
-        TEvOperationPlan(ui64 step, ui64 txId) 
-            : StepId(step) 
-            , TxId(txId) 
-        {} 
-    }; 
- 
+
+        TEvProgressOperation(ui64 txId, ui32 part)
+            : TxId(txId)
+            , TxPartId(part)
+        {}
+    };
+
+    struct TEvOperationPlan: public TEventLocal<TEvOperationPlan, EvOperationPlanStep> {
+        const ui64 StepId;
+        const ui64 TxId;
+
+        TEvOperationPlan(ui64 step, ui64 txId)
+            : StepId(step)
+            , TxId(txId)
+        {}
+    };
+
     struct TEvCommitTenantUpdate: public TEventLocal<TEvCommitTenantUpdate, EvCommitTenantUpdate> {
         TEvCommitTenantUpdate()
         {}
@@ -60,9 +60,9 @@ struct TEvPrivate {
         {}
     };
 
-    struct TEvRunConditionalErase: public TEventLocal<TEvRunConditionalErase, EvRunConditionalErase> { 
-    }; 
- 
+    struct TEvRunConditionalErase: public TEventLocal<TEvRunConditionalErase, EvRunConditionalErase> {
+    };
+
     struct TEvIndexBuildingMakeABill: public TEventLocal<TEvIndexBuildingMakeABill, EvIndexBuildBilling> {
         const ui64 BuildId;
         const TInstant SendAt;
@@ -73,20 +73,20 @@ struct TEvPrivate {
         {}
     };
 
-    struct TEvImportSchemeReady: public TEventLocal<TEvImportSchemeReady, EvImportSchemeReady> { 
-        const ui64 ImportId; 
-        const ui32 ItemIdx; 
-        const bool Success; 
-        const TString Error; 
- 
-        TEvImportSchemeReady(ui64 id, ui32 itemIdx, bool success, const TString& error) 
-            : ImportId(id) 
-            , ItemIdx(itemIdx) 
-            , Success(success) 
-            , Error(error) 
-        {} 
-    }; 
- 
+    struct TEvImportSchemeReady: public TEventLocal<TEvImportSchemeReady, EvImportSchemeReady> {
+        const ui64 ImportId;
+        const ui32 ItemIdx;
+        const bool Success;
+        const TString Error;
+
+        TEvImportSchemeReady(ui64 id, ui32 itemIdx, bool success, const TString& error)
+            : ImportId(id)
+            , ItemIdx(itemIdx)
+            , Success(success)
+            , Error(error)
+        {}
+    };
+
     struct TEvServerlessStorageBilling: public TEventLocal<TEvServerlessStorageBilling, EvServerlessStorageBilling> {
         TEvServerlessStorageBilling()
         {}
@@ -156,7 +156,7 @@ struct TEvPrivate {
     };
 
 
-}; // TEvPrivate 
- 
+}; // TEvPrivate
+
 } // NSchemeShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard_schema.h b/ydb/core/tx/schemeshard/schemeshard_schema.h
index 7dcca5add7..f293136fe8 100644
--- a/ydb/core/tx/schemeshard/schemeshard_schema.h
+++ b/ydb/core/tx/schemeshard/schemeshard_schema.h
@@ -28,7 +28,7 @@ struct Schema : NIceDb::Schema {
         struct LastTxId :              Column<12, NScheme::NTypeIds::Uint64> { using Type = TTxId; };
         struct DirAlterVersion :       Column<13, NScheme::NTypeIds::Uint64> {};
         struct UserAttrsAlterVersion : Column<14, NScheme::NTypeIds::Uint64> {};
-        struct ACLVersion :            Column<15, NScheme::NTypeIds::Uint64> {}; 
+        struct ACLVersion :            Column<15, NScheme::NTypeIds::Uint64> {};
         struct ParentOwnerId :         Column<16, NScheme::NTypeIds::Uint64> { using Type = TOwnerId; static constexpr Type Default = InvalidOwnerId;};
 
         using TKey = TableKey<Id>;
@@ -116,22 +116,22 @@ struct Schema : NIceDb::Schema {
         struct AlterVersion :   Column<4, NScheme::NTypeIds::Uint64> {};
         struct AlterTable :     Column<5, NScheme::NTypeIds::Utf8> {};   // TTableDescription
         struct AlterTableFull : Column<6, NScheme::NTypeIds::String> {};   // TTableDescription
-        struct PartitioningVersion : Column<7, NScheme::NTypeIds::Uint64> {}; 
-        struct TTLSettings : Column<8, NScheme::NTypeIds::String> {}; 
-        struct IsBackup : Column<9, NScheme::NTypeIds::Bool> {}; 
+        struct PartitioningVersion : Column<7, NScheme::NTypeIds::Uint64> {};
+        struct TTLSettings : Column<8, NScheme::NTypeIds::String> {};
+        struct IsBackup : Column<9, NScheme::NTypeIds::Bool> {};
 
         using TKey = TableKey<TabId>;
-        using TColumns = TableColumns< 
-            TabId, 
-            NextColId, 
-            PartitionConfig, 
-            AlterVersion, 
-            AlterTable, 
-            AlterTableFull, 
-            PartitioningVersion, 
-            TTLSettings, 
-            IsBackup 
-        >; 
+        using TColumns = TableColumns<
+            TabId,
+            NextColId,
+            PartitionConfig,
+            AlterVersion,
+            AlterTable,
+            AlterTableFull,
+            PartitioningVersion,
+            TTLSettings,
+            IsBackup
+        >;
     };
 
     struct MigratedTables : Table<54> {
@@ -144,22 +144,22 @@ struct Schema : NIceDb::Schema {
         struct AlterTable :          Column<6, NScheme::NTypeIds::Utf8> {};   // TTableDescription
         struct AlterTableFull :      Column<7, NScheme::NTypeIds::String> {};   // TTableDescription
         struct PartitioningVersion : Column<8, NScheme::NTypeIds::Uint64> {};
-        struct TTLSettings :         Column<9, NScheme::NTypeIds::String> {}; 
-        struct IsBackup :            Column<10, NScheme::NTypeIds::Bool> {}; 
+        struct TTLSettings :         Column<9, NScheme::NTypeIds::String> {};
+        struct IsBackup :            Column<10, NScheme::NTypeIds::Bool> {};
 
         using TKey = TableKey<OwnerPathId, LocalPathId>;
-        using TColumns = TableColumns< 
-            OwnerPathId, 
-            LocalPathId, 
-            NextColId, 
-            PartitionConfig, 
-            AlterVersion, 
-            AlterTable, 
-            AlterTableFull, 
-            PartitioningVersion, 
-            TTLSettings, 
-            IsBackup 
-        >; 
+        using TColumns = TableColumns<
+            OwnerPathId,
+            LocalPathId,
+            NextColId,
+            PartitionConfig,
+            AlterVersion,
+            AlterTable,
+            AlterTableFull,
+            PartitioningVersion,
+            TTLSettings,
+            IsBackup
+        >;
     };
 
     struct Columns : Table<6> {
@@ -297,89 +297,89 @@ struct Schema : NIceDb::Schema {
         struct Id :             Column<2, NScheme::NTypeIds::Uint64> {};
         struct RangeEnd :       Column<3, NScheme::NTypeIds::String> { using Type = TString; };
         struct DatashardIdx :   Column<4, NScheme::NTypeIds::Uint64> { using Type = TLocalShardIdx; };
-        struct LastCondErase :  Column<5, NScheme::NTypeIds::Uint64> {}; 
-        struct NextCondErase :  Column<6, NScheme::NTypeIds::Uint64> {}; 
+        struct LastCondErase :  Column<5, NScheme::NTypeIds::Uint64> {};
+        struct NextCondErase :  Column<6, NScheme::NTypeIds::Uint64> {};
 
         using TKey = TableKey<TabId, Id>;
-        using TColumns = TableColumns<TabId, Id, RangeEnd, DatashardIdx, LastCondErase, NextCondErase>; 
-    };
-
-    struct TablePartitionStats: Table<101> { // HACK: Force to use policy with multiple levels 
-        // key 
-        struct TableOwnerId: Column<1, NScheme::NTypeIds::Uint64> {using Type = TOwnerId;}; 
-        struct TableLocalId: Column<2, NScheme::NTypeIds::Uint64> {using Type = TLocalPathId;}; 
-        struct PartitionId: Column<3, NScheme::NTypeIds::Uint64> {}; 
- 
-        // seqno 
-        struct SeqNoGeneration: Column<4, NScheme::NTypeIds::Uint64> {}; 
-        struct SeqNoRound: Column<5, NScheme::NTypeIds::Uint64> {}; 
- 
-        // stats 
-        struct RowCount: Column<6, NScheme::NTypeIds::Uint64> {}; 
-        struct DataSize: Column<7, NScheme::NTypeIds::Uint64> {}; 
-        struct IndexSize: Column<8, NScheme::NTypeIds::Uint64> {}; 
- 
-        struct LastAccessTime: Column<9, NScheme::NTypeIds::Uint64> { using Type = TInstant::TValue; }; 
-        struct LastUpdateTime: Column<10, NScheme::NTypeIds::Uint64> { using Type = TInstant::TValue; }; 
- 
-        struct ImmediateTxCompleted: Column<11, NScheme::NTypeIds::Uint64> {}; 
-        struct PlannedTxCompleted: Column<12, NScheme::NTypeIds::Uint64> {}; 
-        struct TxRejectedByOverload: Column<13, NScheme::NTypeIds::Uint64> {}; 
-        struct TxRejectedBySpace: Column<14, NScheme::NTypeIds::Uint64> {}; 
-        struct TxCompleteLag: Column<15, NScheme::NTypeIds::Uint64> { using Type = TInstant::TValue; }; 
-        struct InFlightTxCount: Column<16, NScheme::NTypeIds::Uint64> {}; 
- 
-        struct RowUpdates: Column<17, NScheme::NTypeIds::Uint64> {}; 
-        struct RowDeletes: Column<18, NScheme::NTypeIds::Uint64> {}; 
-        struct RowReads: Column<19, NScheme::NTypeIds::Uint64> {}; 
-        struct RangeReads: Column<20, NScheme::NTypeIds::Uint64> {}; 
-        struct RangeReadRows: Column<21, NScheme::NTypeIds::Uint64> {}; 
- 
-        struct CPU: Column<22, NScheme::NTypeIds::Uint64> {}; 
-        struct Memory: Column<23, NScheme::NTypeIds::Uint64> {}; 
-        struct Network: Column<24, NScheme::NTypeIds::Uint64> {}; 
-        struct Storage: Column<25, NScheme::NTypeIds::Uint64> {}; 
-        struct ReadThroughput: Column<26, NScheme::NTypeIds::Uint64> {}; 
-        struct WriteThroughput: Column<27, NScheme::NTypeIds::Uint64> {}; 
-        struct ReadIops: Column<28, NScheme::NTypeIds::Uint64> {}; 
-        struct WriteIops: Column<29, NScheme::NTypeIds::Uint64> {}; 
- 
-        // PartCount, PartOwners & ShardState are volatile data 
- 
-        using TKey = TableKey<TableOwnerId, TableLocalId, PartitionId>; 
-        using TColumns = TableColumns< 
-            TableOwnerId, 
-            TableLocalId, 
-            PartitionId, 
-            SeqNoGeneration, 
-            SeqNoRound, 
-            RowCount, 
-            DataSize, 
-            IndexSize, 
-            LastAccessTime, 
-            LastUpdateTime, 
-            ImmediateTxCompleted, 
-            PlannedTxCompleted, 
-            TxRejectedByOverload, 
-            TxRejectedBySpace, 
-            TxCompleteLag, 
-            InFlightTxCount, 
-            RowUpdates, 
-            RowDeletes, 
-            RowReads, 
-            RangeReads, 
-            RangeReadRows, 
-            CPU, 
-            Memory, 
-            Network, 
-            Storage, 
-            ReadThroughput, 
-            WriteThroughput, 
-            ReadIops, 
-            WriteIops 
-        >; 
-    }; 
- 
+        using TColumns = TableColumns<TabId, Id, RangeEnd, DatashardIdx, LastCondErase, NextCondErase>;
+    };
+
+    struct TablePartitionStats: Table<101> { // HACK: Force to use policy with multiple levels
+        // key
+        struct TableOwnerId: Column<1, NScheme::NTypeIds::Uint64> {using Type = TOwnerId;};
+        struct TableLocalId: Column<2, NScheme::NTypeIds::Uint64> {using Type = TLocalPathId;};
+        struct PartitionId: Column<3, NScheme::NTypeIds::Uint64> {};
+
+        // seqno
+        struct SeqNoGeneration: Column<4, NScheme::NTypeIds::Uint64> {};
+        struct SeqNoRound: Column<5, NScheme::NTypeIds::Uint64> {};
+
+        // stats
+        struct RowCount: Column<6, NScheme::NTypeIds::Uint64> {};
+        struct DataSize: Column<7, NScheme::NTypeIds::Uint64> {};
+        struct IndexSize: Column<8, NScheme::NTypeIds::Uint64> {};
+
+        struct LastAccessTime: Column<9, NScheme::NTypeIds::Uint64> { using Type = TInstant::TValue; };
+        struct LastUpdateTime: Column<10, NScheme::NTypeIds::Uint64> { using Type = TInstant::TValue; };
+
+        struct ImmediateTxCompleted: Column<11, NScheme::NTypeIds::Uint64> {};
+        struct PlannedTxCompleted: Column<12, NScheme::NTypeIds::Uint64> {};
+        struct TxRejectedByOverload: Column<13, NScheme::NTypeIds::Uint64> {};
+        struct TxRejectedBySpace: Column<14, NScheme::NTypeIds::Uint64> {};
+        struct TxCompleteLag: Column<15, NScheme::NTypeIds::Uint64> { using Type = TInstant::TValue; };
+        struct InFlightTxCount: Column<16, NScheme::NTypeIds::Uint64> {};
+
+        struct RowUpdates: Column<17, NScheme::NTypeIds::Uint64> {};
+        struct RowDeletes: Column<18, NScheme::NTypeIds::Uint64> {};
+        struct RowReads: Column<19, NScheme::NTypeIds::Uint64> {};
+        struct RangeReads: Column<20, NScheme::NTypeIds::Uint64> {};
+        struct RangeReadRows: Column<21, NScheme::NTypeIds::Uint64> {};
+
+        struct CPU: Column<22, NScheme::NTypeIds::Uint64> {};
+        struct Memory: Column<23, NScheme::NTypeIds::Uint64> {};
+        struct Network: Column<24, NScheme::NTypeIds::Uint64> {};
+        struct Storage: Column<25, NScheme::NTypeIds::Uint64> {};
+        struct ReadThroughput: Column<26, NScheme::NTypeIds::Uint64> {};
+        struct WriteThroughput: Column<27, NScheme::NTypeIds::Uint64> {};
+        struct ReadIops: Column<28, NScheme::NTypeIds::Uint64> {};
+        struct WriteIops: Column<29, NScheme::NTypeIds::Uint64> {};
+
+        // PartCount, PartOwners & ShardState are volatile data
+
+        using TKey = TableKey<TableOwnerId, TableLocalId, PartitionId>;
+        using TColumns = TableColumns<
+            TableOwnerId,
+            TableLocalId,
+            PartitionId,
+            SeqNoGeneration,
+            SeqNoRound,
+            RowCount,
+            DataSize,
+            IndexSize,
+            LastAccessTime,
+            LastUpdateTime,
+            ImmediateTxCompleted,
+            PlannedTxCompleted,
+            TxRejectedByOverload,
+            TxRejectedBySpace,
+            TxCompleteLag,
+            InFlightTxCount,
+            RowUpdates,
+            RowDeletes,
+            RowReads,
+            RangeReads,
+            RangeReadRows,
+            CPU,
+            Memory,
+            Network,
+            Storage,
+            ReadThroughput,
+            WriteThroughput,
+            ReadIops,
+            WriteIops
+        >;
+    };
+
     struct MigratedTablePartitions : Table<56> {
         struct OwnerPathId :    Column<1, NScheme::NTypeIds::Uint64> { using Type = TOwnerId;};
         struct LocalPathId :    Column<2, NScheme::NTypeIds::Uint64> { using Type = TLocalPathId;};
@@ -388,11 +388,11 @@ struct Schema : NIceDb::Schema {
         struct RangeEnd :       Column<4, NScheme::NTypeIds::String> { using Type = TString; };
         struct OwnerShardIdx :  Column<5, NScheme::NTypeIds::Uint64> { using Type = TOwnerId; };
         struct LocalShardIdx :  Column<6, NScheme::NTypeIds::Uint64> { using Type = TLocalShardIdx; };
-        struct LastCondErase :  Column<7, NScheme::NTypeIds::Uint64> {}; 
-        struct NextCondErase :  Column<8, NScheme::NTypeIds::Uint64> {}; 
+        struct LastCondErase :  Column<7, NScheme::NTypeIds::Uint64> {};
+        struct NextCondErase :  Column<8, NScheme::NTypeIds::Uint64> {};
 
         using TKey = TableKey<OwnerPathId, LocalPathId, Id>;
-        using TColumns = TableColumns<OwnerPathId, LocalPathId, Id, RangeEnd, OwnerShardIdx, LocalShardIdx, LastCondErase, NextCondErase>; 
+        using TColumns = TableColumns<OwnerPathId, LocalPathId, Id, RangeEnd, OwnerShardIdx, LocalShardIdx, LastCondErase, NextCondErase>;
     };
 
     struct PersQueueGroups : Table<9> {
@@ -404,14 +404,14 @@ struct Schema : NIceDb::Schema {
         struct TotalGroupCount : Column<6, NScheme::NTypeIds::Uint32> {};
 
         using TKey = TableKey<PathId>;
-        using TColumns = TableColumns< 
-            PathId, 
-            TabletConfig, 
-            MaxPQPerShard, 
-            AlterVersion, 
-            NextPartitionId, 
-            TotalGroupCount 
-        >; 
+        using TColumns = TableColumns<
+            PathId,
+            TabletConfig,
+            MaxPQPerShard,
+            AlterVersion,
+            NextPartitionId,
+            TotalGroupCount
+        >;
     };
 
     struct PersQueueGroupAlters : Table<12> {
@@ -421,18 +421,18 @@ struct Schema : NIceDb::Schema {
         struct AlterVersion :    Column<4, NScheme::NTypeIds::Uint64> {};
         struct NextPartitionId : Column<6, NScheme::NTypeIds::Uint32> {};
         struct TotalGroupCount : Column<5, NScheme::NTypeIds::Uint32> {};
-        struct BootstrapConfig : Column<7, NScheme::NTypeIds::String> { using Type = TString; }; 
+        struct BootstrapConfig : Column<7, NScheme::NTypeIds::String> { using Type = TString; };
 
         using TKey = TableKey<PathId>;
-        using TColumns = TableColumns< 
-            PathId, 
-            TabletConfig, 
-            MaxPQPerShard, 
-            AlterVersion, 
-            NextPartitionId, 
-            TotalGroupCount, 
-            BootstrapConfig 
-        >; 
+        using TColumns = TableColumns<
+            PathId,
+            TabletConfig,
+            MaxPQPerShard,
+            AlterVersion,
+            NextPartitionId,
+            TotalGroupCount,
+            BootstrapConfig
+        >;
     };
 
     struct PersQueues : Table<10> {
@@ -441,11 +441,11 @@ struct Schema : NIceDb::Schema {
         struct ShardIdx :       Column<3, NScheme::NTypeIds::Uint64> { using Type = TLocalShardIdx; };
         struct AlterVersion :   Column<4, NScheme::NTypeIds::Uint64> {};
         struct GroupId :        Column<5, NScheme::NTypeIds::Uint32> {};
-        struct RangeBegin :     Column<6, NScheme::NTypeIds::String> { using Type = TString; }; 
-        struct RangeEnd :       Column<7, NScheme::NTypeIds::String> { using Type = TString; }; 
+        struct RangeBegin :     Column<6, NScheme::NTypeIds::String> { using Type = TString; };
+        struct RangeEnd :       Column<7, NScheme::NTypeIds::String> { using Type = TString; };
 
         using TKey = TableKey<PathId, PqId>;
-        using TColumns = TableColumns<PathId, PqId, ShardIdx, AlterVersion, GroupId, RangeBegin, RangeEnd>; 
+        using TColumns = TableColumns<PathId, PqId, ShardIdx, AlterVersion, GroupId, RangeBegin, RangeEnd>;
     };
 
     struct RtmrVolumes : Table<20> {
@@ -525,12 +525,12 @@ struct Schema : NIceDb::Schema {
         struct PathId: Column<1, NScheme::NTypeIds::Uint64> {using Type = TLocalPathId;};
         struct TableName: Column<2, NScheme::NTypeIds::Utf8> {};
         struct YTSettings: Column<3, NScheme::NTypeIds::String> {};
-        struct S3Settings: Column<6, NScheme::NTypeIds::String> {}; 
-        struct TableDescription : Column<7, NScheme::NTypeIds::String> {}; 
-        struct NumberOfRetries : Column<8, NScheme::NTypeIds::Uint32> {}; 
-        struct ScanSettings : Column<9, NScheme::NTypeIds::String> {}; 
-        struct NeedToBill: Column<10, NScheme::NTypeIds::Bool> {}; 
-        // deprecated 
+        struct S3Settings: Column<6, NScheme::NTypeIds::String> {};
+        struct TableDescription : Column<7, NScheme::NTypeIds::String> {};
+        struct NumberOfRetries : Column<8, NScheme::NTypeIds::Uint32> {};
+        struct ScanSettings : Column<9, NScheme::NTypeIds::String> {};
+        struct NeedToBill: Column<10, NScheme::NTypeIds::Bool> {};
+        // deprecated
         struct CreateDestinationFlag: Column<4, NScheme::NTypeIds::Bool> {};
         struct EraseOldDataFlag: Column<5, NScheme::NTypeIds::Bool> {};
 
@@ -540,13 +540,13 @@ struct Schema : NIceDb::Schema {
             TableName,
             YTSettings,
             CreateDestinationFlag,
-            EraseOldDataFlag, 
-            S3Settings, 
-            TableDescription, 
-            NumberOfRetries, 
-            ScanSettings, 
-            NeedToBill 
-        >; 
+            EraseOldDataFlag,
+            S3Settings,
+            TableDescription,
+            NumberOfRetries,
+            ScanSettings,
+            NeedToBill
+        >;
     };
 
     struct MigratedBackupSettings: Table<64> {
@@ -555,12 +555,12 @@ struct Schema : NIceDb::Schema {
 
         struct TableName: Column<3, NScheme::NTypeIds::Utf8> {};
         struct YTSettings: Column<4, NScheme::NTypeIds::String> {};
-        struct S3Settings: Column<7, NScheme::NTypeIds::String> {}; 
-        struct TableDescription : Column<8, NScheme::NTypeIds::String> {}; 
-        struct NumberOfRetries : Column<9, NScheme::NTypeIds::Uint32> {}; 
-        struct ScanSettings : Column<10, NScheme::NTypeIds::String> {}; 
-        struct NeedToBill: Column<11, NScheme::NTypeIds::Bool> {}; 
-        // deprecated 
+        struct S3Settings: Column<7, NScheme::NTypeIds::String> {};
+        struct TableDescription : Column<8, NScheme::NTypeIds::String> {};
+        struct NumberOfRetries : Column<9, NScheme::NTypeIds::Uint32> {};
+        struct ScanSettings : Column<10, NScheme::NTypeIds::String> {};
+        struct NeedToBill: Column<11, NScheme::NTypeIds::Bool> {};
+        // deprecated
         struct CreateDestinationFlag: Column<5, NScheme::NTypeIds::Bool> {};
         struct EraseOldDataFlag: Column<6, NScheme::NTypeIds::Bool> {};
 
@@ -571,13 +571,13 @@ struct Schema : NIceDb::Schema {
             TableName,
             YTSettings,
             CreateDestinationFlag,
-            EraseOldDataFlag, 
-            S3Settings, 
-            TableDescription, 
-            NumberOfRetries, 
-            ScanSettings, 
-            NeedToBill 
-        >; 
+            EraseOldDataFlag,
+            S3Settings,
+            TableDescription,
+            NumberOfRetries,
+            ScanSettings,
+            NeedToBill
+        >;
     };
 
     struct CompletedBackups: Table<16> {
@@ -589,9 +589,9 @@ struct Schema : NIceDb::Schema {
         struct TotalShardCount:      Column<5, NScheme::NTypeIds::Uint32> {};
         struct StartTime:            Column<6, NScheme::NTypeIds::Uint64> {};
         struct YTSettings:           Column<7, NScheme::NTypeIds::String> {};
-        struct S3Settings:           Column<9, NScheme::NTypeIds::String> {}; 
+        struct S3Settings:           Column<9, NScheme::NTypeIds::String> {};
         struct DataTotalSize:        Column<8, NScheme::NTypeIds::Uint64> {};
-        struct Kind:                 Column<10, NScheme::NTypeIds::Byte> {}; 
+        struct Kind:                 Column<10, NScheme::NTypeIds::Byte> {};
 
         using TKey = TableKey<PathId, TxId, DateTimeOfCompletion>;
         using TColumns = TableColumns<
@@ -602,9 +602,9 @@ struct Schema : NIceDb::Schema {
             TotalShardCount,
             StartTime,
             YTSettings,
-            DataTotalSize, 
-            S3Settings, 
-            Kind 
+            DataTotalSize,
+            S3Settings,
+            Kind
         >;
     };
 
@@ -618,9 +618,9 @@ struct Schema : NIceDb::Schema {
         struct TotalShardCount:       Column<7, NScheme::NTypeIds::Uint32> {};
         struct StartTime:             Column<8, NScheme::NTypeIds::Uint64> {};
         struct YTSettings:            Column<9, NScheme::NTypeIds::String> {};
-        struct S3Settings:            Column<11, NScheme::NTypeIds::String> {}; 
+        struct S3Settings:            Column<11, NScheme::NTypeIds::String> {};
         struct DataTotalSize:         Column<10, NScheme::NTypeIds::Uint64> {};
-        struct Kind:                  Column<12, NScheme::NTypeIds::Byte> {}; 
+        struct Kind:                  Column<12, NScheme::NTypeIds::Byte> {};
 
         using TKey = TableKey<OwnerPathId, LocalPathId, TxId, DateTimeOfCompletion>;
 
@@ -633,13 +633,13 @@ struct Schema : NIceDb::Schema {
             TotalShardCount,
             StartTime,
             YTSettings,
-            DataTotalSize, 
-            S3Settings, 
-            Kind 
-        >; 
+            DataTotalSize,
+            S3Settings,
+            Kind
+        >;
     };
 
-    // *ShardBackupStatus is deprecated, use TxShardStatus instead 
+    // *ShardBackupStatus is deprecated, use TxShardStatus instead
     struct ShardBackupStatus: Table<17> {
         struct TxId :     Column<1, NScheme::NTypeIds::Uint64> { using Type = TTxId; };
         struct ShardIdx : Column<2, NScheme::NTypeIds::Uint64> { using Type = TLocalShardIdx; };
@@ -670,28 +670,28 @@ struct Schema : NIceDb::Schema {
             >;
     };
 
-    struct TxShardStatus : Table<87> { 
-        struct TxId : Column<1, NScheme::NTypeIds::Uint64> { using Type = TTxId; }; 
-        struct OwnerShardId : Column<2, NScheme::NTypeIds::Uint64> { using Type = TOwnerId;}; 
-        struct LocalShardId : Column<3, NScheme::NTypeIds::Uint64> { using Type = TLocalShardIdx;}; 
-
-        struct Success : Column<4, NScheme::NTypeIds::Bool> {}; 
-        struct Error : Column<5, NScheme::NTypeIds::Utf8> {}; 
-        struct BytesProcessed : Column<6, NScheme::NTypeIds::Uint64> {}; 
-        struct RowsProcessed : Column<7, NScheme::NTypeIds::Uint64> {}; 
- 
-        using TKey = TableKey<TxId, OwnerShardId, LocalShardId>; 
-        using TColumns = TableColumns< 
-            TxId, 
-            OwnerShardId, 
-            LocalShardId, 
-            Success, 
-            Error, 
-            BytesProcessed, 
-            RowsProcessed 
-        >; 
-    }; 
- 
+    struct TxShardStatus : Table<87> {
+        struct TxId : Column<1, NScheme::NTypeIds::Uint64> { using Type = TTxId; };
+        struct OwnerShardId : Column<2, NScheme::NTypeIds::Uint64> { using Type = TOwnerId;};
+        struct LocalShardId : Column<3, NScheme::NTypeIds::Uint64> { using Type = TLocalShardIdx;};
+
+        struct Success : Column<4, NScheme::NTypeIds::Bool> {};
+        struct Error : Column<5, NScheme::NTypeIds::Utf8> {};
+        struct BytesProcessed : Column<6, NScheme::NTypeIds::Uint64> {};
+        struct RowsProcessed : Column<7, NScheme::NTypeIds::Uint64> {};
+
+        using TKey = TableKey<TxId, OwnerShardId, LocalShardId>;
+        using TColumns = TableColumns<
+            TxId,
+            OwnerShardId,
+            LocalShardId,
+            Success,
+            Error,
+            BytesProcessed,
+            RowsProcessed
+        >;
+    };
+
     struct SubDomains: Table<18> {
         struct PathId          : Column<1, NScheme::NTypeIds::Uint64> {};
         struct AlterVersion    : Column<2, NScheme::NTypeIds::Uint64> {};
@@ -702,17 +702,17 @@ struct Schema : NIceDb::Schema {
         struct ChildrenLimit   : Column<7, NScheme::NTypeIds::Uint64> {};
         struct ShardsLimit     : Column<8, NScheme::NTypeIds::Uint64> {};
         struct PathShardsLimit : Column<9, NScheme::NTypeIds::Uint64> {};
-        struct TableColumnsLimit : Column<10, NScheme::NTypeIds::Uint64> {}; 
-        struct TableColumnNameLengthLimit : Column<11, NScheme::NTypeIds::Uint64> {}; 
-        struct TableKeyColumnsLimit : Column<12, NScheme::NTypeIds::Uint64> {}; 
-        struct TableIndicesLimit : Column<13, NScheme::NTypeIds::Uint64> {}; 
-        struct AclByteSizeLimit : Column<14, NScheme::NTypeIds::Uint64> {}; 
-        struct ConsistentCopyingTargetsLimit: Column<15, NScheme::NTypeIds::Uint64> {}; 
+        struct TableColumnsLimit : Column<10, NScheme::NTypeIds::Uint64> {};
+        struct TableColumnNameLengthLimit : Column<11, NScheme::NTypeIds::Uint64> {};
+        struct TableKeyColumnsLimit : Column<12, NScheme::NTypeIds::Uint64> {};
+        struct TableIndicesLimit : Column<13, NScheme::NTypeIds::Uint64> {};
+        struct AclByteSizeLimit : Column<14, NScheme::NTypeIds::Uint64> {};
+        struct ConsistentCopyingTargetsLimit: Column<15, NScheme::NTypeIds::Uint64> {};
         struct PathElementLength: Column<16, NScheme::NTypeIds::Uint64> {};
         struct ExtraPathSymbolsAllowed: Column<17, NScheme::NTypeIds::Utf8> {};
-        struct ResourcesDomainOwnerPathId : Column<18, NScheme::NTypeIds::Uint64> { using Type = TOwnerId; static constexpr Type Default = InvalidOwnerId; }; 
-        struct ResourcesDomainLocalPathId : Column<19, NScheme::NTypeIds::Uint64> { using Type = TLocalPathId; static constexpr Type Default = InvalidLocalPathId; }; 
-        struct SharedHiveId : Column<20, NScheme::NTypeIds::Uint64> { using Type = TTabletId; static constexpr Type Default = InvalidTabletId; }; 
+        struct ResourcesDomainOwnerPathId : Column<18, NScheme::NTypeIds::Uint64> { using Type = TOwnerId; static constexpr Type Default = InvalidOwnerId; };
+        struct ResourcesDomainLocalPathId : Column<19, NScheme::NTypeIds::Uint64> { using Type = TLocalPathId; static constexpr Type Default = InvalidLocalPathId; };
+        struct SharedHiveId : Column<20, NScheme::NTypeIds::Uint64> { using Type = TTabletId; static constexpr Type Default = InvalidTabletId; };
         struct DeclaredSchemeQuotas : Column<21, NScheme::NTypeIds::String> {};
         struct PQPartitionsLimit : Column<22, NScheme::NTypeIds::Uint64> {};
         struct DatabaseQuotas : Column<23, NScheme::NTypeIds::String> {};
@@ -730,17 +730,17 @@ struct Schema : NIceDb::Schema {
             PathsLimit,
             ChildrenLimit,
             ShardsLimit,
-            PathShardsLimit, 
-            TableColumnsLimit, 
-            TableColumnNameLengthLimit, 
-            TableKeyColumnsLimit, 
-            TableIndicesLimit, 
-            AclByteSizeLimit, 
+            PathShardsLimit,
+            TableColumnsLimit,
+            TableColumnNameLengthLimit,
+            TableKeyColumnsLimit,
+            TableIndicesLimit,
+            AclByteSizeLimit,
             ConsistentCopyingTargetsLimit,
             PathElementLength,
-            ExtraPathSymbolsAllowed, 
-            ResourcesDomainOwnerPathId, 
-            ResourcesDomainLocalPathId, 
+            ExtraPathSymbolsAllowed,
+            ResourcesDomainOwnerPathId,
+            ResourcesDomainLocalPathId,
             SharedHiveId,
             DeclaredSchemeQuotas,
             PQPartitionsLimit,
@@ -764,9 +764,9 @@ struct Schema : NIceDb::Schema {
         struct AlterVersion: Column<2, NScheme::NTypeIds::Uint64> {};
         struct PlanResolution: Column<3, NScheme::NTypeIds::Uint64> {};
         struct TimeCastBuckets: Column<4, NScheme::NTypeIds::Uint32> {};
-        struct ResourcesDomainOwnerPathId : Column<5, NScheme::NTypeIds::Uint64> { using Type = TOwnerId; static constexpr Type Default = InvalidOwnerId; }; 
-        struct ResourcesDomainLocalPathId : Column<6, NScheme::NTypeIds::Uint64> { using Type = TLocalPathId; static constexpr Type Default = InvalidLocalPathId; }; 
-        struct SharedHiveId : Column<7, NScheme::NTypeIds::Uint64> { using Type = TTabletId; static constexpr Type Default = InvalidTabletId; }; 
+        struct ResourcesDomainOwnerPathId : Column<5, NScheme::NTypeIds::Uint64> { using Type = TOwnerId; static constexpr Type Default = InvalidOwnerId; };
+        struct ResourcesDomainLocalPathId : Column<6, NScheme::NTypeIds::Uint64> { using Type = TLocalPathId; static constexpr Type Default = InvalidLocalPathId; };
+        struct SharedHiveId : Column<7, NScheme::NTypeIds::Uint64> { using Type = TTabletId; static constexpr Type Default = InvalidTabletId; };
         struct DeclaredSchemeQuotas : Column<8, NScheme::NTypeIds::String> {};
         struct DatabaseQuotas : Column<9, NScheme::NTypeIds::String> {};
 
@@ -775,9 +775,9 @@ struct Schema : NIceDb::Schema {
             PathId,
             AlterVersion,
             PlanResolution,
-            TimeCastBuckets, 
-            ResourcesDomainOwnerPathId, 
-            ResourcesDomainLocalPathId, 
+            TimeCastBuckets,
+            ResourcesDomainOwnerPathId,
+            ResourcesDomainLocalPathId,
             SharedHiveId,
             DeclaredSchemeQuotas,
             DatabaseQuotas
@@ -1090,65 +1090,65 @@ struct Schema : NIceDb::Schema {
         using TColumns = TableColumns<TxId, ShardOwnerId, ShardLocalIdx, Operation, TxPartId>;
     };
 
-    struct Exports : Table<45> { 
-        struct Id: Column<1, NScheme::NTypeIds::Uint64> {}; 
-        struct Uid: Column<2, NScheme::NTypeIds::Utf8> {}; 
-        struct Kind: Column<12, NScheme::NTypeIds::Byte> {}; 
-        struct Settings: Column<3, NScheme::NTypeIds::String> {}; 
-        struct DomainPathId: Column<4, NScheme::NTypeIds::Uint64> {}; 
-        struct UserSID : Column<13, NScheme::NTypeIds::Utf8> {}; 
-        struct Items: Column<5, NScheme::NTypeIds::Uint32> {}; 
+    struct Exports : Table<45> {
+        struct Id: Column<1, NScheme::NTypeIds::Uint64> {};
+        struct Uid: Column<2, NScheme::NTypeIds::Utf8> {};
+        struct Kind: Column<12, NScheme::NTypeIds::Byte> {};
+        struct Settings: Column<3, NScheme::NTypeIds::String> {};
+        struct DomainPathId: Column<4, NScheme::NTypeIds::Uint64> {};
+        struct UserSID : Column<13, NScheme::NTypeIds::Utf8> {};
+        struct Items: Column<5, NScheme::NTypeIds::Uint32> {};
 
         struct ExportPathId: Column<6, NScheme::NTypeIds::Uint64> {using Type = TLocalPathId;};
-        struct State: Column<7, NScheme::NTypeIds::Byte> {}; 
+        struct State: Column<7, NScheme::NTypeIds::Byte> {};
         struct WaitTxId: Column<8, NScheme::NTypeIds::Uint64> { using Type = TTxId; };
-        struct Issue: Column<9, NScheme::NTypeIds::Utf8> {}; 
+        struct Issue: Column<9, NScheme::NTypeIds::Utf8> {};
         struct ExportOwnerPathId: Column<10, NScheme::NTypeIds::Uint64> {using Type = TOwnerId;};
         struct DomainPathOwnerId: Column<11, NScheme::NTypeIds::Uint64> {using Type = TOwnerId;};
- 
-
-        using TKey = TableKey<Id>; 
-        using TColumns = TableColumns< 
-            Id, 
-            Uid, 
-            Settings, 
-            DomainPathId, 
-            Items, 
-            ExportPathId, 
-            State, 
-            WaitTxId, 
+
+
+        using TKey = TableKey<Id>;
+        using TColumns = TableColumns<
+            Id,
+            Uid,
+            Settings,
+            DomainPathId,
+            Items,
+            ExportPathId,
+            State,
+            WaitTxId,
             Issue,
             ExportOwnerPathId,
-            DomainPathOwnerId, 
-            Kind, 
-            UserSID 
-        >; 
-    }; 
- 
-    struct ExportItems : Table<46> { 
-        struct ExportId: Column<1, NScheme::NTypeIds::Uint64> {}; 
-        struct Index: Column<2, NScheme::NTypeIds::Uint32> {}; 
-        struct SourcePathName: Column<3, NScheme::NTypeIds::Utf8> {}; 
+            DomainPathOwnerId,
+            Kind,
+            UserSID
+        >;
+    };
+
+    struct ExportItems : Table<46> {
+        struct ExportId: Column<1, NScheme::NTypeIds::Uint64> {};
+        struct Index: Column<2, NScheme::NTypeIds::Uint32> {};
+        struct SourcePathName: Column<3, NScheme::NTypeIds::Utf8> {};
         struct SourcePathId: Column<4, NScheme::NTypeIds::Uint64> {using Type = TLocalPathId;};
- 
-        struct State: Column<5, NScheme::NTypeIds::Byte> {}; 
+
+        struct State: Column<5, NScheme::NTypeIds::Byte> {};
         struct BackupTxId: Column<6, NScheme::NTypeIds::Uint64> { using Type = TTxId; };
-        struct Issue: Column<7, NScheme::NTypeIds::Utf8> {}; 
+        struct Issue: Column<7, NScheme::NTypeIds::Utf8> {};
         struct SourceOwnerPathId: Column<8, NScheme::NTypeIds::Uint64> {using Type = TOwnerId;};
- 
-        using TKey = TableKey<ExportId, Index>; 
-        using TColumns = TableColumns< 
-            ExportId, 
-            Index, 
-            SourcePathName, 
-            SourcePathId, 
-            State, 
-            BackupTxId, 
+
+        using TKey = TableKey<ExportId, Index>;
+        using TColumns = TableColumns<
+            ExportId,
+            Index,
+            SourcePathName,
+            SourcePathId,
+            State,
+            BackupTxId,
             Issue,
             SourceOwnerPathId
-        >; 
-    }; 
- 
+        >;
+    };
+
     struct TableShardPartitionConfigs : Table<47> {
         struct ShardIdx : Column<1, NScheme::NTypeIds::Uint64> { using Type = TLocalShardIdx; };
         struct PartitionConfig : Column<2, NScheme::NTypeIds::String> {};
@@ -1171,15 +1171,15 @@ struct Schema : NIceDb::Schema {
             PartitionConfig>;
     };
 
-    struct PublishingPaths : Table<48> { 
+    struct PublishingPaths : Table<48> {
         struct TxId : Column<1, NScheme::NTypeIds::Uint64> { using Type = TTxId; };
-        struct PathId : Column<2, NScheme::NTypeIds::Uint64> {}; 
-        struct Version : Column<3, NScheme::NTypeIds::Uint64> {}; 
- 
-        using TKey = TableKey<TxId, PathId, Version>; 
-        using TColumns = TableColumns<TxId, PathId, Version>; 
-    }; 
- 
+        struct PathId : Column<2, NScheme::NTypeIds::Uint64> {};
+        struct Version : Column<3, NScheme::NTypeIds::Uint64> {};
+
+        using TKey = TableKey<TxId, PathId, Version>;
+        using TColumns = TableColumns<TxId, PathId, Version>;
+    };
+
     struct MigratedPublishingPaths : Table<59> {
         struct TxId : Column<1, NScheme::NTypeIds::Uint64> { using Type = TTxId; };
         struct PathOwnerId : Column<2, NScheme::NTypeIds::Uint64> {};
@@ -1389,75 +1389,75 @@ struct Schema : NIceDb::Schema {
         using TColumns = TableColumns<PathOwnerId, PathLocalId, DataColumnId, DataColumnName>;
     };
 
-    struct RestoreTasks : Table<82> { 
-        struct OwnerPathId : Column<1, NScheme::NTypeIds::Uint64> { using Type = TOwnerId;}; 
-        struct LocalPathId : Column<2, NScheme::NTypeIds::Uint64> { using Type = TLocalPathId;}; 
-        struct Task : Column<3, NScheme::NTypeIds::String> {}; 
- 
-        using TKey = TableKey<OwnerPathId, LocalPathId>; 
-        using TColumns = TableColumns< 
-            OwnerPathId, 
-            LocalPathId, 
-            Task 
-        >; 
-    }; 
- 
-    struct Imports : Table<85> { 
-        struct Id : Column<1, NScheme::NTypeIds::Uint64> {}; 
-        struct Uid : Column<2, NScheme::NTypeIds::Utf8> {}; 
-        struct Kind : Column<3, NScheme::NTypeIds::Byte> {}; 
-        struct Settings : Column<4, NScheme::NTypeIds::String> {}; 
-        struct DomainPathOwnerId : Column<5, NScheme::NTypeIds::Uint64> { using Type = TOwnerId; }; 
-        struct DomainPathLocalId : Column<6, NScheme::NTypeIds::Uint64> { using Type = TLocalPathId; }; 
-        struct UserSID : Column<10, NScheme::NTypeIds::Utf8> {}; 
-        struct Items : Column<7, NScheme::NTypeIds::Uint32> {}; 
- 
-        struct State : Column<8, NScheme::NTypeIds::Byte> {}; 
-        struct Issue : Column<9, NScheme::NTypeIds::Utf8> {}; 
- 
-        using TKey = TableKey<Id>; 
-        using TColumns = TableColumns< 
-            Id, 
-            Uid, 
-            Kind, 
-            Settings, 
-            DomainPathOwnerId, 
-            DomainPathLocalId, 
-            Items, 
-            State, 
-            Issue, 
-            UserSID 
-        >; 
-    }; 
- 
-    struct ImportItems : Table<86> { 
-        struct ImportId : Column<1, NScheme::NTypeIds::Uint64> {}; 
-        struct Index : Column<2, NScheme::NTypeIds::Uint32> {}; 
-        struct DstPathName : Column<3, NScheme::NTypeIds::Utf8> {}; 
-        struct DstPathOwnerId : Column<4, NScheme::NTypeIds::Uint64> { using Type = TOwnerId; }; 
-        struct DstPathLocalId : Column<5, NScheme::NTypeIds::Uint64> { using Type = TLocalPathId; }; 
-        struct Scheme : Column<6, NScheme::NTypeIds::String> {}; 
- 
-        struct State : Column<7, NScheme::NTypeIds::Byte> {}; 
-        struct WaitTxId : Column<8, NScheme::NTypeIds::Uint64> { using Type = TTxId; }; 
-        struct NextIndexIdx : Column<9, NScheme::NTypeIds::Uint32> {}; 
-        struct Issue : Column<10, NScheme::NTypeIds::Utf8> {}; 
- 
-        using TKey = TableKey<ImportId, Index>; 
-        using TColumns = TableColumns< 
-            ImportId, 
-            Index, 
-            DstPathName, 
-            DstPathOwnerId, 
-            DstPathLocalId, 
-            Scheme, 
-            State, 
-            WaitTxId, 
-            NextIndexIdx, 
-            Issue 
-        >; 
-    }; 
- 
+    struct RestoreTasks : Table<82> {
+        struct OwnerPathId : Column<1, NScheme::NTypeIds::Uint64> { using Type = TOwnerId;};
+        struct LocalPathId : Column<2, NScheme::NTypeIds::Uint64> { using Type = TLocalPathId;};
+        struct Task : Column<3, NScheme::NTypeIds::String> {};
+
+        using TKey = TableKey<OwnerPathId, LocalPathId>;
+        using TColumns = TableColumns<
+            OwnerPathId,
+            LocalPathId,
+            Task
+        >;
+    };
+
+    struct Imports : Table<85> {
+        struct Id : Column<1, NScheme::NTypeIds::Uint64> {};
+        struct Uid : Column<2, NScheme::NTypeIds::Utf8> {};
+        struct Kind : Column<3, NScheme::NTypeIds::Byte> {};
+        struct Settings : Column<4, NScheme::NTypeIds::String> {};
+        struct DomainPathOwnerId : Column<5, NScheme::NTypeIds::Uint64> { using Type = TOwnerId; };
+        struct DomainPathLocalId : Column<6, NScheme::NTypeIds::Uint64> { using Type = TLocalPathId; };
+        struct UserSID : Column<10, NScheme::NTypeIds::Utf8> {};
+        struct Items : Column<7, NScheme::NTypeIds::Uint32> {};
+
+        struct State : Column<8, NScheme::NTypeIds::Byte> {};
+        struct Issue : Column<9, NScheme::NTypeIds::Utf8> {};
+
+        using TKey = TableKey<Id>;
+        using TColumns = TableColumns<
+            Id,
+            Uid,
+            Kind,
+            Settings,
+            DomainPathOwnerId,
+            DomainPathLocalId,
+            Items,
+            State,
+            Issue,
+            UserSID
+        >;
+    };
+
+    struct ImportItems : Table<86> {
+        struct ImportId : Column<1, NScheme::NTypeIds::Uint64> {};
+        struct Index : Column<2, NScheme::NTypeIds::Uint32> {};
+        struct DstPathName : Column<3, NScheme::NTypeIds::Utf8> {};
+        struct DstPathOwnerId : Column<4, NScheme::NTypeIds::Uint64> { using Type = TOwnerId; };
+        struct DstPathLocalId : Column<5, NScheme::NTypeIds::Uint64> { using Type = TLocalPathId; };
+        struct Scheme : Column<6, NScheme::NTypeIds::String> {};
+
+        struct State : Column<7, NScheme::NTypeIds::Byte> {};
+        struct WaitTxId : Column<8, NScheme::NTypeIds::Uint64> { using Type = TTxId; };
+        struct NextIndexIdx : Column<9, NScheme::NTypeIds::Uint32> {};
+        struct Issue : Column<10, NScheme::NTypeIds::Utf8> {};
+
+        using TKey = TableKey<ImportId, Index>;
+        using TColumns = TableColumns<
+            ImportId,
+            Index,
+            DstPathName,
+            DstPathOwnerId,
+            DstPathLocalId,
+            Scheme,
+            State,
+            WaitTxId,
+            NextIndexIdx,
+            Issue
+        >;
+    };
+
     struct OlapStores : Table<88> {
         struct PathId : Column<1, NScheme::NTypeIds::Uint64> { using Type = TLocalPathId; };
         struct AlterVersion : Column<2, NScheme::NTypeIds::Uint64> {};
@@ -1526,28 +1526,28 @@ struct Schema : NIceDb::Schema {
         using TColumns = TableColumns<SidName, SidMember>;
     };
 
-    struct CdcStream : Table<95> { 
-        struct OwnerPathId : Column<1, NScheme::NTypeIds::Uint64> { using Type = TOwnerId; }; 
-        struct LocalPathId : Column<2, NScheme::NTypeIds::Uint64> { using Type = TLocalPathId; }; 
-        struct AlterVersion : Column<3, NScheme::NTypeIds::Uint64> {}; 
+    struct CdcStream : Table<95> {
+        struct OwnerPathId : Column<1, NScheme::NTypeIds::Uint64> { using Type = TOwnerId; };
+        struct LocalPathId : Column<2, NScheme::NTypeIds::Uint64> { using Type = TLocalPathId; };
+        struct AlterVersion : Column<3, NScheme::NTypeIds::Uint64> {};
         struct State : Column<4, NScheme::NTypeIds::Uint32> { using Type = NKikimrSchemeOp::ECdcStreamState; static constexpr Type Default = NKikimrSchemeOp::ECdcStreamStateInvalid; };
         struct Mode : Column<5, NScheme::NTypeIds::Uint32> { using Type = NKikimrSchemeOp::ECdcStreamMode; static constexpr Type Default = NKikimrSchemeOp::ECdcStreamModeInvalid; };
- 
-        using TKey = TableKey<OwnerPathId, LocalPathId>; 
-        using TColumns = TableColumns<OwnerPathId, LocalPathId, AlterVersion, State, Mode>; 
-    }; 
- 
-    struct CdcStreamAlterData : Table<96> { 
-        struct OwnerPathId : Column<1, NScheme::NTypeIds::Uint64> { using Type = TOwnerId; }; 
-        struct LocalPathId : Column<2, NScheme::NTypeIds::Uint64> { using Type = TLocalPathId; }; 
-        struct AlterVersion : Column<3, NScheme::NTypeIds::Uint64> {}; 
+
+        using TKey = TableKey<OwnerPathId, LocalPathId>;
+        using TColumns = TableColumns<OwnerPathId, LocalPathId, AlterVersion, State, Mode>;
+    };
+
+    struct CdcStreamAlterData : Table<96> {
+        struct OwnerPathId : Column<1, NScheme::NTypeIds::Uint64> { using Type = TOwnerId; };
+        struct LocalPathId : Column<2, NScheme::NTypeIds::Uint64> { using Type = TLocalPathId; };
+        struct AlterVersion : Column<3, NScheme::NTypeIds::Uint64> {};
         struct State : Column<4, NScheme::NTypeIds::Uint32> { using Type = NKikimrSchemeOp::ECdcStreamState; static constexpr Type Default = NKikimrSchemeOp::ECdcStreamStateInvalid; };
         struct Mode : Column<5, NScheme::NTypeIds::Uint32> { using Type = NKikimrSchemeOp::ECdcStreamMode; static constexpr Type Default = NKikimrSchemeOp::ECdcStreamModeInvalid; };
- 
-        using TKey = TableKey<OwnerPathId, LocalPathId>; 
-        using TColumns = TableColumns<OwnerPathId, LocalPathId, AlterVersion, State, Mode>; 
-    }; 
- 
+
+        using TKey = TableKey<OwnerPathId, LocalPathId>;
+        using TColumns = TableColumns<OwnerPathId, LocalPathId, AlterVersion, State, Mode>;
+    };
+
     struct Sequences : Table<97> {
         struct PathId : Column<1, NScheme::NTypeIds::Uint64> { using Type = TLocalPathId; };
         struct AlterVersion : Column<2, NScheme::NTypeIds::Uint64> {};
@@ -1568,24 +1568,24 @@ struct Schema : NIceDb::Schema {
         using TColumns = TableColumns<PathId, AlterVersion, Description, Sharding>;
     };
 
-    struct Replications : Table<99> { 
-        struct PathId : Column<1, NScheme::NTypeIds::Uint64> { using Type = TLocalPathId; }; 
-        struct AlterVersion : Column<2, NScheme::NTypeIds::Uint64> {}; 
-        struct Description : Column<3, NScheme::NTypeIds::String> {}; 
- 
-        using TKey = TableKey<PathId>; 
-        using TColumns = TableColumns<PathId, AlterVersion, Description>; 
-    }; 
- 
-    struct ReplicationsAlterData : Table<100> { 
-        struct PathId : Column<1, NScheme::NTypeIds::Uint64> { using Type = TLocalPathId; }; 
-        struct AlterVersion : Column<2, NScheme::NTypeIds::Uint64> {}; 
-        struct Description : Column<3, NScheme::NTypeIds::String> {}; 
- 
-        using TKey = TableKey<PathId>; 
-        using TColumns = TableColumns<PathId, AlterVersion, Description>; 
-    }; 
- 
+    struct Replications : Table<99> {
+        struct PathId : Column<1, NScheme::NTypeIds::Uint64> { using Type = TLocalPathId; };
+        struct AlterVersion : Column<2, NScheme::NTypeIds::Uint64> {};
+        struct Description : Column<3, NScheme::NTypeIds::String> {};
+
+        using TKey = TableKey<PathId>;
+        using TColumns = TableColumns<PathId, AlterVersion, Description>;
+    };
+
+    struct ReplicationsAlterData : Table<100> {
+        struct PathId : Column<1, NScheme::NTypeIds::Uint64> { using Type = TLocalPathId; };
+        struct AlterVersion : Column<2, NScheme::NTypeIds::Uint64> {};
+        struct Description : Column<3, NScheme::NTypeIds::String> {};
+
+        using TKey = TableKey<PathId>;
+        using TColumns = TableColumns<PathId, AlterVersion, Description>;
+    };
+
     using TTables = SchemaTables<
         Paths,
         TxInFlight,
@@ -1629,10 +1629,10 @@ struct Schema : NIceDb::Schema {
         TableIndexKeysAlterData,
         TxInFlightV2,
         TxDependenciesV2,
-        TxShardsV2, 
-        Exports, 
-        ExportItems, 
-        TableShardPartitionConfigs, 
+        TxShardsV2,
+        Exports,
+        ExportItems,
+        TableShardPartitionConfigs,
         PublishingPaths,
         FillIndexDesc,
         MigratedPaths,
@@ -1661,18 +1661,18 @@ struct Schema : NIceDb::Schema {
         LongLocks,
         IndexBuildShardStatus,
         AlterSolomonVolumes,
-        AlterSolomonPartitions, 
+        AlterSolomonPartitions,
         TablePartitionStats,
         SubDomainSchemeQuotas,
         FileStoreInfos,
         FileStoreAlters,
         TableIndexDataColumns,
-        TableIndexDataColumnsAlterData, 
+        TableIndexDataColumnsAlterData,
         RestoreTasks,
         MigratedKesusInfos,
-        MigratedKesusAlters, 
-        Imports, 
-        ImportItems, 
+        MigratedKesusAlters,
+        Imports,
+        ImportItems,
         TxShardStatus,
         OlapStores,
         OlapStoresAlters,
@@ -1680,13 +1680,13 @@ struct Schema : NIceDb::Schema {
         OlapTablesAlters,
         LoginKeys,
         LoginSids,
-        LoginSidMembers, 
-        CdcStream, 
+        LoginSidMembers,
+        CdcStream,
         CdcStreamAlterData,
         Sequences,
-        SequencesAlters, 
-        Replications, 
-        ReplicationsAlterData 
+        SequencesAlters,
+        Replications,
+        ReplicationsAlterData
     >;
 
     static constexpr ui64 SysParam_NextPathId = 1;
diff --git a/ydb/core/tx/schemeshard/schemeshard_tx_infly.h b/ydb/core/tx/schemeshard/schemeshard_tx_infly.h
index e5ec201110..41a8045155 100644
--- a/ydb/core/tx/schemeshard/schemeshard_tx_infly.h
+++ b/ydb/core/tx/schemeshard/schemeshard_tx_infly.h
@@ -89,27 +89,27 @@ struct TTxState {
         item(TxCreateFileStore, 44) \
         item(TxAlterFileStore, 45) \
         item(TxDropFileStore, 46) \
-        item(TxRestore, 47) \ 
+        item(TxRestore, 47) \
         item(TxCreateOlapStore, 48) \
         item(TxAlterOlapStore, 49) \
         item(TxDropOlapStore, 50) \
         item(TxCreateOlapTable, 51) \
         item(TxAlterOlapTable, 52) \
         item(TxDropOlapTable, 53) \
-        item(TxCreateCdcStream, 54) \ 
-        item(TxCreateCdcStreamAtTable, 55) \ 
-        item(TxAlterCdcStream, 56) \ 
-        item(TxAlterCdcStreamAtTable, 57) \ 
-        item(TxDropCdcStream, 58) \ 
-        item(TxDropCdcStreamAtTable, 59) \ 
+        item(TxCreateCdcStream, 54) \
+        item(TxCreateCdcStreamAtTable, 55) \
+        item(TxAlterCdcStream, 56) \
+        item(TxAlterCdcStreamAtTable, 57) \
+        item(TxDropCdcStream, 58) \
+        item(TxDropCdcStreamAtTable, 59) \
         item(TxMoveTable, 60) \
         item(TxMoveTableIndex, 61) \
         item(TxCreateSequence, 62) \
         item(TxAlterSequence, 63) \
         item(TxDropSequence, 64) \
-        item(TxCreateReplication, 65) \ 
-        item(TxAlterReplication, 66) \ 
-        item(TxDropReplication, 67) \ 
+        item(TxCreateReplication, 65) \
+        item(TxAlterReplication, 66) \
+        item(TxDropReplication, 67) \
 
     // TX_STATE_TYPE_ENUM
 
@@ -163,7 +163,7 @@ struct TTxState {
         item(ProposedDeleteParts, 130, "") \
         item(TransferData, 131, "") \
         item(NotifyPartitioningChanged, 132, "") \
-        item(Aborting, 133, "") \ 
+        item(Aborting, 133, "") \
         item(DeleteExternalShards, 134, "") \
         item(DeletePrivateShards, 135, "") \
         item(WaitShadowPathPublication, 136, "") \
@@ -201,28 +201,28 @@ struct TTxState {
         {}
     };
 
-    struct TShardStatus { 
-        bool Success = false; 
-        TString Error; 
-        ui64 BytesProcessed = 0; 
-        ui64 RowsProcessed = 0; 
- 
-        TShardStatus() = default; 
- 
-        explicit TShardStatus(bool success, const TString& error, ui64 bytes, ui64 rows) 
-            : Success(success) 
-            , Error(error) 
-            , BytesProcessed(bytes) 
-            , RowsProcessed(rows) 
-        { 
-        } 
- 
-        explicit TShardStatus(const TString& error) 
-            : TShardStatus(false, error, 0, 0) 
-        { 
-        } 
-    }; 
- 
+    struct TShardStatus {
+        bool Success = false;
+        TString Error;
+        ui64 BytesProcessed = 0;
+        ui64 RowsProcessed = 0;
+
+        TShardStatus() = default;
+
+        explicit TShardStatus(bool success, const TString& error, ui64 bytes, ui64 rows)
+            : Success(success)
+            , Error(error)
+            , BytesProcessed(bytes)
+            , RowsProcessed(rows)
+        {
+        }
+
+        explicit TShardStatus(const TString& error)
+            : TShardStatus(false, error, 0, 0)
+        {
+        }
+    };
+
     // persist - TxInFlight:
     ETxType TxType = TxInvalid;
     TPathId TargetPathId = InvalidPathId;           // path (dir or table) being modified
@@ -240,10 +240,10 @@ struct TTxState {
     std::shared_ptr<NKikimrTxDataShard::TSplitMergeDescription> SplitDescription;
     bool TxShardsListFinalized = false;
     TTxId BuildIndexId;
-    // fields below used for backup/restore 
-    bool Cancel = false; 
-    THashMap<TShardIdx, TShardStatus> ShardStatuses; 
-    ui64 DataTotalSize = 0; 
+    // fields below used for backup/restore
+    bool Cancel = false;
+    THashMap<TShardIdx, TShardStatus> ShardStatuses;
+    ui64 DataTotalSize = 0;
 
 
     TMessageSeqNo SchemeOpSeqNo;       // For SS -> DS propose events
@@ -305,12 +305,12 @@ struct TTxState {
         case TxCreateRtmrVolume:
         case TxCreateTableIndex:
         case TxFillIndex:
-        case TxCreateCdcStream: 
+        case TxCreateCdcStream:
         case TxCreateSequence:
-        case TxCreateReplication: 
+        case TxCreateReplication:
             return true;
         case TxInitializeBuildIndex: //this is more like alter
-        case TxCreateCdcStreamAtTable: 
+        case TxCreateCdcStreamAtTable:
             return false;
         case TxCreateLockForIndexBuild: //this is more like alter
         case TxDropLock: //this is more like alter
@@ -330,10 +330,10 @@ struct TTxState {
         case TxRmDir:
         case TxFinalizeBuildIndex:
         case TxDropTableIndexAtMainTable:
-        case TxDropCdcStream: 
-        case TxDropCdcStreamAtTable: 
+        case TxDropCdcStream:
+        case TxDropCdcStreamAtTable:
         case TxDropSequence:
-        case TxDropReplication: 
+        case TxDropReplication:
             return false;
         case TxAlterPQGroup:
         case TxAlterTable:
@@ -343,7 +343,7 @@ struct TTxState {
         case TxSplitTablePartition:
         case TxMergeTablePartition:
         case TxBackup:
-        case TxRestore: 
+        case TxRestore:
         case TxAlterBlockStoreVolume:
         case TxAssignBlockStoreVolume:
         case TxAlterFileStore:
@@ -355,10 +355,10 @@ struct TTxState {
         case TxAlterUserAttributes:
         case TxAlterTableIndex:
         case TxAlterSolomonVolume:
-        case TxAlterCdcStream: 
-        case TxAlterCdcStreamAtTable: 
+        case TxAlterCdcStream:
+        case TxAlterCdcStreamAtTable:
         case TxAlterSequence:
-        case TxAlterReplication: 
+        case TxAlterReplication:
             return false;
         case TxMoveTable:
         case TxMoveTableIndex:
@@ -384,9 +384,9 @@ struct TTxState {
         case TxDropTableIndex:
         case TxDropSolomonVolume:
         case TxRmDir:
-        case TxDropCdcStream: 
+        case TxDropCdcStream:
         case TxDropSequence:
-        case TxDropReplication: 
+        case TxDropReplication:
             return true;
         case TxMkDir:
         case TxCreateTable:
@@ -403,16 +403,16 @@ struct TTxState {
         case TxCreateRtmrVolume:
         case TxCreateTableIndex:
         case TxFillIndex:
-        case TxCreateCdcStream: 
-        case TxCreateCdcStreamAtTable: 
+        case TxCreateCdcStream:
+        case TxCreateCdcStreamAtTable:
         case TxCreateSequence:
-        case TxCreateReplication: 
+        case TxCreateReplication:
         case TxInitializeBuildIndex:
         case TxCreateLockForIndexBuild:
         case TxDropLock:
         case TxFinalizeBuildIndex:
         case TxDropTableIndexAtMainTable: // just increments schemaversion at main table
-        case TxDropCdcStreamAtTable: 
+        case TxDropCdcStreamAtTable:
             return false;
         case TxAlterPQGroup:
         case TxAlterTable:
@@ -422,7 +422,7 @@ struct TTxState {
         case TxSplitTablePartition:
         case TxMergeTablePartition:
         case TxBackup:
-        case TxRestore: 
+        case TxRestore:
         case TxAlterBlockStoreVolume:
         case TxAssignBlockStoreVolume:
         case TxAlterFileStore:
@@ -434,10 +434,10 @@ struct TTxState {
         case TxAlterUserAttributes:
         case TxAlterTableIndex:
         case TxAlterSolomonVolume:
-        case TxAlterCdcStream: 
-        case TxAlterCdcStreamAtTable: 
+        case TxAlterCdcStream:
+        case TxAlterCdcStreamAtTable:
         case TxAlterSequence:
-        case TxAlterReplication: 
+        case TxAlterReplication:
             return false;
         case TxMoveTable:
         case TxMoveTableIndex:
@@ -463,9 +463,9 @@ struct TTxState {
         case TxDropSolomonVolume:
         case TxSplitTablePartition:
         case TxMergeTablePartition:
-        case TxDropCdcStream: 
+        case TxDropCdcStream:
         case TxDropSequence:
-        case TxDropReplication: 
+        case TxDropReplication:
             return true;
         case TxDropTableIndex:
         case TxRmDir:
@@ -485,15 +485,15 @@ struct TTxState {
         case TxCreateSolomonVolume:
         case TxCreateRtmrVolume:
         case TxCreateTableIndex:
-        case TxCreateCdcStream: 
-        case TxCreateCdcStreamAtTable: 
+        case TxCreateCdcStream:
+        case TxCreateCdcStreamAtTable:
         case TxCreateSequence:
-        case TxCreateReplication: 
+        case TxCreateReplication:
         case TxInitializeBuildIndex:
         case TxCreateLockForIndexBuild:
         case TxDropLock:
         case TxDropTableIndexAtMainTable:
-        case TxDropCdcStreamAtTable: 
+        case TxDropCdcStreamAtTable:
             return false;
         case TxAlterPQGroup:
         case TxAlterTable:
@@ -501,7 +501,7 @@ struct TTxState {
         case TxAlterOlapTable:
         case TxModifyACL:
         case TxBackup:
-        case TxRestore: 
+        case TxRestore:
         case TxAlterBlockStoreVolume:
         case TxAssignBlockStoreVolume:
         case TxAlterFileStore:
@@ -514,12 +514,12 @@ struct TTxState {
         case TxFillIndex:
         case TxAlterTableIndex:
         case TxAlterSolomonVolume:
-        case TxAlterCdcStream: 
-        case TxAlterCdcStreamAtTable: 
+        case TxAlterCdcStream:
+        case TxAlterCdcStreamAtTable:
         case TxMoveTable:
         case TxMoveTableIndex:
         case TxAlterSequence:
-        case TxAlterReplication: 
+        case TxAlterReplication:
             return false;
         case TxInvalid:
             Y_VERIFY_DEBUG("UNREACHEBLE");
diff --git a/ydb/core/tx/schemeshard/schemeshard_types.h b/ydb/core/tx/schemeshard/schemeshard_types.h
index 097474b5e0..a60df6317d 100644
--- a/ydb/core/tx/schemeshard/schemeshard_types.h
+++ b/ydb/core/tx/schemeshard/schemeshard_types.h
@@ -11,22 +11,22 @@ namespace NKikimr {
 namespace NSchemeShard {
 
 struct TSchemeLimits {
-    // path 
+    // path
     ui64 MaxDepth = 32;
     ui64 MaxPaths = 200*1000;
     ui64 MaxChildrenInDir = 100*1000;
-    ui64 MaxAclBytesSize = 10 << 10; 
+    ui64 MaxAclBytesSize = 10 << 10;
     ui64 MaxPathElementLength = 255;
     TString ExtraPathSymbolsAllowed = "!\"#$%&'()*+,-.:;<=>?@[\\]^_`{|}~";
- 
-    // table 
-    ui64 MaxTableColumns = 200; 
-    ui64 MaxTableColumnNameLength = 255; 
-    ui64 MaxTableKeyColumns = 20; 
-    ui64 MaxTableIndices = 20; 
+
+    // table
+    ui64 MaxTableColumns = 200;
+    ui64 MaxTableColumnNameLength = 255;
+    ui64 MaxTableKeyColumns = 20;
+    ui64 MaxTableIndices = 20;
     ui64 MaxShards = 200*1000; // In each database
     ui64 MaxShardsInPath = 35*1000; // In each path in database
-    ui64 MaxConsistentCopyTargets = 1000; 
+    ui64 MaxConsistentCopyTargets = 1000;
 
     // pq group
     ui64 MaxPQPartitions = 1000000;
diff --git a/ydb/core/tx/schemeshard/schemeshard_utils.h b/ydb/core/tx/schemeshard/schemeshard_utils.h
index 948b097ef7..de7d17f316 100644
--- a/ydb/core/tx/schemeshard/schemeshard_utils.h
+++ b/ydb/core/tx/schemeshard/schemeshard_utils.h
@@ -45,12 +45,12 @@ inline bool IsValidColumnName(const TString& name) {
 
 inline NKikimrSchemeOp::TModifyScheme TransactionTemplate(const TString& workingDir, NKikimrSchemeOp::EOperationType type) {
     NKikimrSchemeOp::TModifyScheme tx;
-    tx.SetWorkingDir(workingDir); 
-    tx.SetOperationType(type); 
- 
-    return tx; 
-} 
- 
+    tx.SetWorkingDir(workingDir);
+    tx.SetOperationType(type);
+
+    return tx;
+}
+
 TSerializedCellVec ChooseSplitKeyByHistogram(const NKikimrTableStats::THistogram& histogram,
                                   const TConstArrayRef<NScheme::TTypeId>& keyColumnTypes);
 
diff --git a/ydb/core/tx/schemeshard/schemeshard_validate_ttl.cpp b/ydb/core/tx/schemeshard/schemeshard_validate_ttl.cpp
index b8d598c4ba..58cc395905 100644
--- a/ydb/core/tx/schemeshard/schemeshard_validate_ttl.cpp
+++ b/ydb/core/tx/schemeshard/schemeshard_validate_ttl.cpp
@@ -57,15 +57,15 @@ bool ValidateUnit(const TColumn& column, NKikimrSchemeOp::TTTLSettings::EUnit un
 bool ValidateTtlSettings(const NKikimrSchemeOp::TTTLSettings& ttl,
     const THashMap<ui32, TTableInfo::TColumn>& sourceColumns,
     const THashMap<ui32, TTableInfo::TColumn>& alterColumns,
-    const THashMap<TString, ui32>& colName2Id, 
-    const TSubDomainInfo& subDomain, TString& errStr) 
+    const THashMap<TString, ui32>& colName2Id,
+    const TSubDomainInfo& subDomain, TString& errStr)
 {
     using TTtlProto = NKikimrSchemeOp::TTTLSettings;
 
     switch (ttl.GetStatusCase()) {
     case TTtlProto::kEnabled: {
-        const auto& enabled = ttl.GetEnabled(); 
-        const TString colName = enabled.GetColumnName(); 
+        const auto& enabled = ttl.GetEnabled();
+        const TString colName = enabled.GetColumnName();
 
         auto it = colName2Id.find(colName);
         if (it == colName2Id.end()) {
@@ -88,18 +88,18 @@ bool ValidateTtlSettings(const NKikimrSchemeOp::TTTLSettings& ttl,
             return false;
         }
 
-        const auto unit = enabled.GetColumnUnit(); 
+        const auto unit = enabled.GetColumnUnit();
         if (!ValidateUnit(*column, unit, errStr)) {
             return false;
         }
- 
+
         if (enabled.HasSysSettings()) {
             const auto& sys = enabled.GetSysSettings();
             if (TDuration::FromValue(sys.GetRunInterval()) < subDomain.GetTtlMinRunInterval()) {
                 errStr = Sprintf("TTL run interval cannot be less than limit: %" PRIu64, subDomain.GetTtlMinRunInterval().Seconds());
                 return false;
-            } 
-        } 
+            }
+        }
         break;
     }
 
diff --git a/ydb/core/tx/schemeshard/schemeshard_xxport__get.h b/ydb/core/tx/schemeshard/schemeshard_xxport__get.h
index 859a4a5d41..fb22a6458d 100644
--- a/ydb/core/tx/schemeshard/schemeshard_xxport__get.h
+++ b/ydb/core/tx/schemeshard/schemeshard_xxport__get.h
@@ -1,49 +1,49 @@
 #pragma once
-#include "schemeshard_xxport__tx_base.h" 
-#include "schemeshard_impl.h" 
- 
+#include "schemeshard_xxport__tx_base.h"
+#include "schemeshard_impl.h"
+
 #include <ydb/public/api/protos/ydb_issue_message.pb.h>
 #include <ydb/public/api/protos/ydb_status_codes.pb.h>
- 
-namespace NKikimr { 
+
+namespace NKikimr {
 namespace NSchemeShard {
- 
-template <typename TInfo, typename TEvRequest, typename TEvResponse> 
+
+template <typename TInfo, typename TEvRequest, typename TEvResponse>
 struct TSchemeShard::TXxport::TTxGet: public TSchemeShard::TXxport::TTxBase {
-    using TTxGetBase = TTxGet<TInfo, TEvRequest, TEvResponse>; 
- 
-    typename TEvRequest::TPtr Request; 
- 
-    explicit TTxGet(TSelf* self, typename TEvRequest::TPtr& ev) 
-        : TTxBase(self) 
-        , Request(ev) 
-    { 
-    } 
- 
-    bool DoExecuteImpl(const THashMap<ui64, typename TInfo::TPtr>& container, TTransactionContext&, const TActorContext&) { 
-        const auto& request = Request->Get()->Record; 
- 
-        auto response = MakeHolder<TEvResponse>(); 
-        auto& entry = *response->Record.MutableResponse()->MutableEntry(); 
- 
-        auto it = container.find(request.GetRequest().GetId()); 
-        if (it == container.end() || !IsSameDomain(it->second, request.GetDatabaseName())) { 
-            entry.SetStatus(Ydb::StatusIds::NOT_FOUND); 
- 
-            Send(Request->Sender, std::move(response), 0, Request->Cookie); 
-            return true; 
-        } 
- 
-        Self->FromXxportInfo(entry, it->second); 
- 
-        Send(Request->Sender, std::move(response), 0, Request->Cookie); 
-        return true; 
-    } 
- 
-    void DoComplete(const TActorContext&) override { 
-    } 
- 
-}; // TTxGet 
- 
+    using TTxGetBase = TTxGet<TInfo, TEvRequest, TEvResponse>;
+
+    typename TEvRequest::TPtr Request;
+
+    explicit TTxGet(TSelf* self, typename TEvRequest::TPtr& ev)
+        : TTxBase(self)
+        , Request(ev)
+    {
+    }
+
+    bool DoExecuteImpl(const THashMap<ui64, typename TInfo::TPtr>& container, TTransactionContext&, const TActorContext&) {
+        const auto& request = Request->Get()->Record;
+
+        auto response = MakeHolder<TEvResponse>();
+        auto& entry = *response->Record.MutableResponse()->MutableEntry();
+
+        auto it = container.find(request.GetRequest().GetId());
+        if (it == container.end() || !IsSameDomain(it->second, request.GetDatabaseName())) {
+            entry.SetStatus(Ydb::StatusIds::NOT_FOUND);
+
+            Send(Request->Sender, std::move(response), 0, Request->Cookie);
+            return true;
+        }
+
+        Self->FromXxportInfo(entry, it->second);
+
+        Send(Request->Sender, std::move(response), 0, Request->Cookie);
+        return true;
+    }
+
+    void DoComplete(const TActorContext&) override {
+    }
+
+}; // TTxGet
+
 } // NSchemeShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard_xxport__list.h b/ydb/core/tx/schemeshard/schemeshard_xxport__list.h
index 6446286c1d..2af8c7948a 100644
--- a/ydb/core/tx/schemeshard/schemeshard_xxport__list.h
+++ b/ydb/core/tx/schemeshard/schemeshard_xxport__list.h
@@ -1,91 +1,91 @@
 #pragma once
 
-#include "schemeshard_xxport__tx_base.h" 
-#include "schemeshard_impl.h" 
- 
-#include <util/string/cast.h> 
- 
-namespace NKikimr { 
+#include "schemeshard_xxport__tx_base.h"
+#include "schemeshard_impl.h"
+
+#include <util/string/cast.h>
+
+namespace NKikimr {
 namespace NSchemeShard {
- 
-template <typename TInfo, typename TEvRequest, typename TEvResponse, typename TDerived> 
+
+template <typename TInfo, typename TEvRequest, typename TEvResponse, typename TDerived>
 struct TSchemeShard::TXxport::TTxList: public TSchemeShard::TXxport::TTxBase {
-    using TTxListBase = TTxList<TInfo, TEvRequest, TEvResponse, TDerived>; 
- 
-    static constexpr ui64 DefaultPageSize = 10; 
-    static constexpr ui64 MinPageSize = 1; 
-    static constexpr ui64 MaxPageSize = 100; 
-    static constexpr ui64 DefaultPage = 1; 
- 
-    typename TEvRequest::TPtr Request; 
- 
-    explicit TTxList(TSelf* self, typename TEvRequest::TPtr& ev) 
-        : TTxBase(self) 
-        , Request(ev) 
-    { 
-    } 
- 
-    bool DoExecuteImpl(const THashMap<ui64, typename TInfo::TPtr>& container, TTransactionContext&, const TActorContext&) { 
-        const auto& record = Request->Get()->Record; 
-        const auto& request = record.GetRequest(); 
- 
-        auto response = MakeHolder<TEvResponse>(); 
-        auto& resp = *response->Record.MutableResponse(); 
- 
-        const TPathId domainPathId = DomainPathId(record.GetDatabaseName()); 
-        const ui64 pageSize = Min(request.GetPageSize() ? Max(request.GetPageSize(), MinPageSize) : DefaultPageSize, MaxPageSize); 
- 
-        ui64 page = DefaultPage; 
-        if (request.GetPageToken() && !TryFromString(request.GetPageToken(), page)) { 
-            resp.SetStatus(Ydb::StatusIds::BAD_REQUEST); 
- 
-            Send(Request->Sender, std::move(response), 0, Request->Cookie); 
-            return true; 
-        } 
-        page = Max(page, DefaultPage); 
- 
-        typename TInfo::EKind kind; 
-        if (!TDerived::TryParseKind(request.GetKind(), kind)) { 
-            resp.SetStatus(Ydb::StatusIds::BAD_REQUEST); 
- 
-            Send(Request->Sender, std::move(response), 0, Request->Cookie); 
-            return true; 
-        } 
- 
-        resp.SetStatus(Ydb::StatusIds::SUCCESS); 
- 
-        auto it = container.begin(); 
-        ui64 skip = (page - 1) * pageSize; 
-        while (it != container.end() && skip) { 
-            if (IsSameDomain(it->second, domainPathId) && it->second->Kind == kind) { 
-                --skip; 
-            } 
-            ++it; 
-        } 
- 
-        ui64 size = 0; 
-        while (it != container.end() && size < pageSize) { 
-            if (IsSameDomain(it->second, domainPathId) && it->second->Kind == kind) { 
-                Self->FromXxportInfo(*resp.MutableEntries()->Add(), it->second); 
-                ++size; 
-            } 
-            ++it; 
-        } 
- 
-        if (it == container.end()) { 
-            resp.SetNextPageToken("1"); 
-        } else { 
-            resp.SetNextPageToken(ToString(page + 1)); 
-        } 
- 
-        Send(Request->Sender, std::move(response), 0, Request->Cookie); 
-        return true; 
-    } 
- 
-    void DoComplete(const TActorContext&) override { 
-    } 
- 
-}; // TTxList 
- 
+    using TTxListBase = TTxList<TInfo, TEvRequest, TEvResponse, TDerived>;
+
+    static constexpr ui64 DefaultPageSize = 10;
+    static constexpr ui64 MinPageSize = 1;
+    static constexpr ui64 MaxPageSize = 100;
+    static constexpr ui64 DefaultPage = 1;
+
+    typename TEvRequest::TPtr Request;
+
+    explicit TTxList(TSelf* self, typename TEvRequest::TPtr& ev)
+        : TTxBase(self)
+        , Request(ev)
+    {
+    }
+
+    bool DoExecuteImpl(const THashMap<ui64, typename TInfo::TPtr>& container, TTransactionContext&, const TActorContext&) {
+        const auto& record = Request->Get()->Record;
+        const auto& request = record.GetRequest();
+
+        auto response = MakeHolder<TEvResponse>();
+        auto& resp = *response->Record.MutableResponse();
+
+        const TPathId domainPathId = DomainPathId(record.GetDatabaseName());
+        const ui64 pageSize = Min(request.GetPageSize() ? Max(request.GetPageSize(), MinPageSize) : DefaultPageSize, MaxPageSize);
+
+        ui64 page = DefaultPage;
+        if (request.GetPageToken() && !TryFromString(request.GetPageToken(), page)) {
+            resp.SetStatus(Ydb::StatusIds::BAD_REQUEST);
+
+            Send(Request->Sender, std::move(response), 0, Request->Cookie);
+            return true;
+        }
+        page = Max(page, DefaultPage);
+
+        typename TInfo::EKind kind;
+        if (!TDerived::TryParseKind(request.GetKind(), kind)) {
+            resp.SetStatus(Ydb::StatusIds::BAD_REQUEST);
+
+            Send(Request->Sender, std::move(response), 0, Request->Cookie);
+            return true;
+        }
+
+        resp.SetStatus(Ydb::StatusIds::SUCCESS);
+
+        auto it = container.begin();
+        ui64 skip = (page - 1) * pageSize;
+        while (it != container.end() && skip) {
+            if (IsSameDomain(it->second, domainPathId) && it->second->Kind == kind) {
+                --skip;
+            }
+            ++it;
+        }
+
+        ui64 size = 0;
+        while (it != container.end() && size < pageSize) {
+            if (IsSameDomain(it->second, domainPathId) && it->second->Kind == kind) {
+                Self->FromXxportInfo(*resp.MutableEntries()->Add(), it->second);
+                ++size;
+            }
+            ++it;
+        }
+
+        if (it == container.end()) {
+            resp.SetNextPageToken("1");
+        } else {
+            resp.SetNextPageToken(ToString(page + 1));
+        }
+
+        Send(Request->Sender, std::move(response), 0, Request->Cookie);
+        return true;
+    }
+
+    void DoComplete(const TActorContext&) override {
+    }
+
+}; // TTxList
+
 } // NSchemeShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/schemeshard_xxport__tx_base.h b/ydb/core/tx/schemeshard/schemeshard_xxport__tx_base.h
index 66989a991c..84b46815c2 100644
--- a/ydb/core/tx/schemeshard/schemeshard_xxport__tx_base.h
+++ b/ydb/core/tx/schemeshard/schemeshard_xxport__tx_base.h
@@ -1,91 +1,91 @@
-#pragma once 
- 
-#include "schemeshard_impl.h" 
- 
-#include <util/generic/ptr.h> 
-#include <util/generic/vector.h> 
- 
-namespace NKikimr { 
+#pragma once
+
+#include "schemeshard_impl.h"
+
+#include <util/generic/ptr.h>
+#include <util/generic/vector.h>
+
+namespace NKikimr {
 namespace NSchemeShard {
- 
+
 class TSchemeShard::TXxport::TTxBase: public NTabletFlatExecutor::TTransactionBase<TSchemeShard> {
-    TVector<THolder<IEventHandle>> SendOnComplete; 
- 
-protected: 
-    explicit TTxBase(TSelf* self) 
-        : TBase(self) 
-    { 
-    } 
- 
-    virtual ~TTxBase() = default; 
- 
+    TVector<THolder<IEventHandle>> SendOnComplete;
+
+protected:
+    explicit TTxBase(TSelf* self)
+        : TBase(self)
+    {
+    }
+
+    virtual ~TTxBase() = default;
+
     void Send(const TActorId& recipient, IEventBase* ev, ui32 flags = 0, ui64 cookie = 0) {
-        SendOnComplete.emplace_back(new IEventHandle(recipient, Self->SelfId(), ev, flags, cookie)); 
-    } 
- 
-    template <typename TEvent> 
+        SendOnComplete.emplace_back(new IEventHandle(recipient, Self->SelfId(), ev, flags, cookie));
+    }
+
+    template <typename TEvent>
     void Send(const TActorId& recipient, THolder<TEvent> ev, ui32 flags = 0, ui64 cookie = 0) {
-        return Send(recipient, static_cast<IEventBase*>(ev.Release()), flags, cookie); 
-    } 
- 
-    TPathId DomainPathId(const TString& dbName) const { 
-        const TPath domainPath = TPath::Resolve(dbName, Self); 
-        if (domainPath.IsResolved()) { 
-            return domainPath.Base()->PathId; 
-        } 
- 
-        return TPathId(); 
-    } 
- 
-    template <typename TInfoPtr> 
-    static bool IsSameDomain(const TInfoPtr info, const TPathId& domainPathId) { 
-        if (!domainPathId) { 
-            return true; 
-        } 
- 
-        return info->DomainPathId == domainPathId; 
-    } 
- 
-    template <typename TInfoPtr> 
-    bool IsSameDomain(const TInfoPtr info, const TString& dbName) const { 
-        return IsSameDomain(info, DomainPathId(dbName)); 
-    } 
- 
-    template <typename TInfoPtr> 
-    void SendNotificationsIfFinished(TInfoPtr info, bool force = false) { 
-        if (!info->IsFinished() && !force) { 
+        return Send(recipient, static_cast<IEventBase*>(ev.Release()), flags, cookie);
+    }
+
+    TPathId DomainPathId(const TString& dbName) const {
+        const TPath domainPath = TPath::Resolve(dbName, Self);
+        if (domainPath.IsResolved()) {
+            return domainPath.Base()->PathId;
+        }
+
+        return TPathId();
+    }
+
+    template <typename TInfoPtr>
+    static bool IsSameDomain(const TInfoPtr info, const TPathId& domainPathId) {
+        if (!domainPathId) {
+            return true;
+        }
+
+        return info->DomainPathId == domainPathId;
+    }
+
+    template <typename TInfoPtr>
+    bool IsSameDomain(const TInfoPtr info, const TString& dbName) const {
+        return IsSameDomain(info, DomainPathId(dbName));
+    }
+
+    template <typename TInfoPtr>
+    void SendNotificationsIfFinished(TInfoPtr info, bool force = false) {
+        if (!info->IsFinished() && !force) {
             return;
         }
 
-        LOG_TRACE_S(TlsActivationContext->AsActorContext(), NKikimrServices::FLAT_TX_SCHEMESHARD, 
-            "SendNotifications: " 
-                << ": id# " << info->Id 
-                << ", subscribers count# " << info->Subscribers.size()); 
+        LOG_TRACE_S(TlsActivationContext->AsActorContext(), NKikimrServices::FLAT_TX_SCHEMESHARD,
+            "SendNotifications: "
+                << ": id# " << info->Id
+                << ", subscribers count# " << info->Subscribers.size());
 
         TSet<TActorId> toAnswer;
-        toAnswer.swap(info->Subscribers); 
+        toAnswer.swap(info->Subscribers);
         for (auto& actorId: toAnswer) {
             Send(actorId, new TEvSchemeShard::TEvNotifyTxCompletionResult(info->Id));
         }
     }
 
-public: 
-    virtual bool DoExecute(TTransactionContext& txc, const TActorContext& ctx) = 0; 
-    virtual void DoComplete(const TActorContext& ctx) = 0; 
- 
-    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override { 
-        return DoExecute(txc, ctx); 
-    } 
- 
-    void Complete(const TActorContext& ctx) override { 
-        DoComplete(ctx); 
- 
-        for (auto& ev : SendOnComplete) { 
-            ctx.Send(std::move(ev)); 
-        } 
-    } 
- 
-}; // TTxBase 
- 
+public:
+    virtual bool DoExecute(TTransactionContext& txc, const TActorContext& ctx) = 0;
+    virtual void DoComplete(const TActorContext& ctx) = 0;
+
+    bool Execute(TTransactionContext& txc, const TActorContext& ctx) override {
+        return DoExecute(txc, ctx);
+    }
+
+    void Complete(const TActorContext& ctx) override {
+        DoComplete(ctx);
+
+        for (auto& ev : SendOnComplete) {
+            ctx.Send(std::move(ev));
+        }
+    }
+
+}; // TTxBase
+
 } // NSchemeShard
-} // NKikimr 
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/ut_async_index.cpp b/ydb/core/tx/schemeshard/ut_async_index.cpp
index 83ccb24bc7..a2fc2d3974 100644
--- a/ydb/core/tx/schemeshard/ut_async_index.cpp
+++ b/ydb/core/tx/schemeshard/ut_async_index.cpp
@@ -1,78 +1,78 @@
 #include <ydb/core/tx/schemeshard/ut_helpers/helpers.h>
 #include <ydb/core/testlib/tablet_helpers.h>
- 
-using namespace NKikimr; 
+
+using namespace NKikimr;
 using namespace NSchemeShard;
-using namespace NSchemeShardUT_Private; 
- 
-Y_UNIT_TEST_SUITE(TAsyncIndexTests) { 
-    void CreateTable(bool enableAsyncIndexes) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime, TTestEnvOptions().EnableAsyncIndexes(enableAsyncIndexes)); 
-        ui64 txId = 100; 
- 
-        const auto status = enableAsyncIndexes 
+using namespace NSchemeShardUT_Private;
+
+Y_UNIT_TEST_SUITE(TAsyncIndexTests) {
+    void CreateTable(bool enableAsyncIndexes) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime, TTestEnvOptions().EnableAsyncIndexes(enableAsyncIndexes));
+        ui64 txId = 100;
+
+        const auto status = enableAsyncIndexes
             ? NKikimrScheme::StatusAccepted
             : NKikimrScheme::StatusPreconditionFailed;
- 
-        TestCreateIndexedTable(runtime, ++txId, "/MyRoot", R"( 
-            TableDescription { 
-              Name: "Table" 
-              Columns { Name: "key" Type: "Uint64" } 
-              Columns { Name: "indexed" Type: "Uint64" } 
-              KeyColumnNames: ["key"] 
-            } 
-            IndexDescription { 
-              Name: "UserDefinedIndex" 
-              KeyColumnNames: ["indexed"] 
-              Type: EIndexTypeGlobalAsync 
-            } 
-        )", {status}); 
- 
-        if (enableAsyncIndexes) { 
-            env.TestWaitNotification(runtime, txId); 
-        } 
-    } 
- 
-    Y_UNIT_TEST(CreateTableShouldSucceed) { 
-        CreateTable(true); 
-    } 
- 
-    Y_UNIT_TEST(CreateTableShouldFail) { 
-        CreateTable(false); 
-    } 
- 
-    void OnlineBuild(bool enableAsyncIndexes) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime, TTestEnvOptions().EnableAsyncIndexes(enableAsyncIndexes)); 
-        ui64 txId = 100; 
- 
-        TestCreateTable(runtime, ++txId, "/MyRoot", R"( 
-            Name: "Table" 
-            Columns { Name: "key" Type: "Uint64" } 
-            Columns { Name: "indexed" Type: "Uint64" } 
-            KeyColumnNames: ["key"] 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        const auto status = enableAsyncIndexes 
-            ? Ydb::StatusIds::SUCCESS 
-            : Ydb::StatusIds::UNSUPPORTED; 
- 
+
+        TestCreateIndexedTable(runtime, ++txId, "/MyRoot", R"(
+            TableDescription {
+              Name: "Table"
+              Columns { Name: "key" Type: "Uint64" }
+              Columns { Name: "indexed" Type: "Uint64" }
+              KeyColumnNames: ["key"]
+            }
+            IndexDescription {
+              Name: "UserDefinedIndex"
+              KeyColumnNames: ["indexed"]
+              Type: EIndexTypeGlobalAsync
+            }
+        )", {status});
+
+        if (enableAsyncIndexes) {
+            env.TestWaitNotification(runtime, txId);
+        }
+    }
+
+    Y_UNIT_TEST(CreateTableShouldSucceed) {
+        CreateTable(true);
+    }
+
+    Y_UNIT_TEST(CreateTableShouldFail) {
+        CreateTable(false);
+    }
+
+    void OnlineBuild(bool enableAsyncIndexes) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime, TTestEnvOptions().EnableAsyncIndexes(enableAsyncIndexes));
+        ui64 txId = 100;
+
+        TestCreateTable(runtime, ++txId, "/MyRoot", R"(
+            Name: "Table"
+            Columns { Name: "key" Type: "Uint64" }
+            Columns { Name: "indexed" Type: "Uint64" }
+            KeyColumnNames: ["key"]
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        const auto status = enableAsyncIndexes
+            ? Ydb::StatusIds::SUCCESS
+            : Ydb::StatusIds::UNSUPPORTED;
+
         TestBuilIndex(runtime,  ++txId, TTestTxConfig::SchemeShard, "/MyRoot", "/MyRoot/Table", TBuildIndexConfig{
             "UserDefinedIndex", NKikimrSchemeOp::EIndexTypeGlobalAsync, {"indexed"}, {}
-        }, status); 
- 
-        if (enableAsyncIndexes) { 
-            env.TestWaitNotification(runtime, txId); 
-        } 
-    } 
- 
-    Y_UNIT_TEST(OnlineBuildShouldSucceed) { 
-        OnlineBuild(true); 
-    } 
- 
-    Y_UNIT_TEST(OnlineBuildShouldFail) { 
-        OnlineBuild(false); 
-    } 
-} 
+        }, status);
+
+        if (enableAsyncIndexes) {
+            env.TestWaitNotification(runtime, txId);
+        }
+    }
+
+    Y_UNIT_TEST(OnlineBuildShouldSucceed) {
+        OnlineBuild(true);
+    }
+
+    Y_UNIT_TEST(OnlineBuildShouldFail) {
+        OnlineBuild(false);
+    }
+}
diff --git a/ydb/core/tx/schemeshard/ut_async_index/ya.make b/ydb/core/tx/schemeshard/ut_async_index/ya.make
index aea78796e3..fdb326de6a 100644
--- a/ydb/core/tx/schemeshard/ut_async_index/ya.make
+++ b/ydb/core/tx/schemeshard/ut_async_index/ya.make
@@ -1,32 +1,32 @@
 UNITTEST_FOR(ydb/core/tx/schemeshard)
- 
-OWNER( 
-    ilnaz 
-    g:kikimr 
-) 
- 
-FORK_SUBTESTS() 
-
-SPLIT_FACTOR(60) 
- 
-IF (SANITIZER_TYPE OR WITH_VALGRIND) 
-    TIMEOUT(3600) 
-    SIZE(LARGE) 
-    TAG(ya:fat) 
-ELSE() 
-    TIMEOUT(600) 
-    SIZE(MEDIUM) 
-ENDIF() 
- 
-PEERDIR( 
+
+OWNER(
+    ilnaz
+    g:kikimr
+)
+
+FORK_SUBTESTS()
+
+SPLIT_FACTOR(60)
+
+IF (SANITIZER_TYPE OR WITH_VALGRIND)
+    TIMEOUT(3600)
+    SIZE(LARGE)
+    TAG(ya:fat)
+ELSE()
+    TIMEOUT(600)
+    SIZE(MEDIUM)
+ENDIF()
+
+PEERDIR(
     ydb/core/testlib
     ydb/core/tx/schemeshard/ut_helpers
-) 
- 
-SRCS( 
-    ut_async_index.cpp 
-) 
- 
+)
+
+SRCS(
+    ut_async_index.cpp
+)
+
 YQL_LAST_ABI_VERSION()
- 
-END() 
+
+END()
diff --git a/ydb/core/tx/schemeshard/ut_base.cpp b/ydb/core/tx/schemeshard/ut_base.cpp
index 7ea96344e3..a76dcf9d5b 100644
--- a/ydb/core/tx/schemeshard/ut_base.cpp
+++ b/ydb/core/tx/schemeshard/ut_base.cpp
@@ -76,7 +76,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                            {NLs::Finished,
                             NLs::PathVersionEqual(3)});
 
-        TestRmDir(runtime, ++txId, "/MyRoot/DirA", "SubDirA", {NKikimrScheme::StatusNameConflict}); 
+        TestRmDir(runtime, ++txId, "/MyRoot/DirA", "SubDirA", {NKikimrScheme::StatusNameConflict});
         TestRmDir(runtime, ++txId, "/MyRoot/DirA/SubDirA", "DirB");
         env.TestWaitNotification(runtime, txId);
         TestRmDir(runtime, ++txId, "/MyRoot/DirA", "SubDirA");
@@ -106,7 +106,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
         TestRmDir(runtime, ++txId, "/MyRoot", "DirA");
         TestRmDir(runtime, ++txId, "/MyRoot", "DirB");
         env.TestWaitNotification(runtime, {txId-1, txId});
-        TestRmDir(runtime, ++txId, "/", "MyRoot", {NKikimrScheme::StatusNameConflict}); 
+        TestRmDir(runtime, ++txId, "/", "MyRoot", {NKikimrScheme::StatusNameConflict});
         env.TestWaitNotification(runtime, txId);
 
         TestDescribeResult(DescribePath(runtime, "/MyRoot"),
@@ -115,63 +115,63 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                             NLs::ShardsInsideDomain(0)});
     }
 
-    using TRuntimeTxFn = std::function<void(TTestBasicRuntime&, ui64)>; 
- 
-    void DropTwice(const TString& path, TRuntimeTxFn createFn, TRuntimeTxFn dropFn) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime); 
-        ui64 txId = 100; 
- 
-        createFn(runtime, ++txId); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        dropFn(runtime, ++txId); 
-        dropFn(runtime, ++txId); 
-        TestModificationResult(runtime, txId - 1); 
- 
+    using TRuntimeTxFn = std::function<void(TTestBasicRuntime&, ui64)>;
+
+    void DropTwice(const TString& path, TRuntimeTxFn createFn, TRuntimeTxFn dropFn) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime);
+        ui64 txId = 100;
+
+        createFn(runtime, ++txId);
+        env.TestWaitNotification(runtime, txId);
+
+        dropFn(runtime, ++txId);
+        dropFn(runtime, ++txId);
+        TestModificationResult(runtime, txId - 1);
+
         auto ev = runtime.GrabEdgeEvent<TEvSchemeShard::TEvModifySchemeTransactionResult>();
-        UNIT_ASSERT(ev); 
- 
-        const auto& record = ev->Record; 
-        UNIT_ASSERT_VALUES_EQUAL(record.GetTxId(), txId); 
+        UNIT_ASSERT(ev);
+
+        const auto& record = ev->Record;
+        UNIT_ASSERT_VALUES_EQUAL(record.GetTxId(), txId);
         UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusMultipleModifications);
-        UNIT_ASSERT_VALUES_EQUAL(record.GetPathDropTxId(), txId - 1); 
- 
-        env.TestWaitNotification(runtime, txId - 1); 
-        TestDescribeResult(DescribePath(runtime, path), { 
-            NLs::PathNotExist 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(RmDirTwice) { 
-        auto createFn = [](TTestBasicRuntime& runtime, ui64 txId) { 
-            TestMkDir(runtime, txId, "/MyRoot", "Dir"); 
-        }; 
- 
-        auto dropFn = [](TTestBasicRuntime& runtime, ui64 txId) { 
-            AsyncRmDir(runtime, txId, "/MyRoot", "Dir"); 
-        }; 
- 
-        DropTwice("/MyRoot/Dir", createFn, dropFn); 
-    } 
- 
-    Y_UNIT_TEST(DropTableTwice) { 
-        auto createFn = [](TTestBasicRuntime& runtime, ui64 txId) { 
-            TestCreateTable(runtime, txId, "/MyRoot", R"( 
-                  Name: "Table" 
-                  Columns { Name: "key"   Type: "Uint64" } 
-                  Columns { Name: "value" Type: "Utf8" } 
-                  KeyColumnNames: ["key"] 
-            )"); 
-        }; 
- 
-        auto dropFn = [](TTestBasicRuntime& runtime, ui64 txId) { 
-            AsyncDropTable(runtime, txId, "/MyRoot", "Table"); 
-        }; 
- 
-        DropTwice("/MyRoot/Table", createFn, dropFn); 
-    } 
- 
+        UNIT_ASSERT_VALUES_EQUAL(record.GetPathDropTxId(), txId - 1);
+
+        env.TestWaitNotification(runtime, txId - 1);
+        TestDescribeResult(DescribePath(runtime, path), {
+            NLs::PathNotExist
+        });
+    }
+
+    Y_UNIT_TEST(RmDirTwice) {
+        auto createFn = [](TTestBasicRuntime& runtime, ui64 txId) {
+            TestMkDir(runtime, txId, "/MyRoot", "Dir");
+        };
+
+        auto dropFn = [](TTestBasicRuntime& runtime, ui64 txId) {
+            AsyncRmDir(runtime, txId, "/MyRoot", "Dir");
+        };
+
+        DropTwice("/MyRoot/Dir", createFn, dropFn);
+    }
+
+    Y_UNIT_TEST(DropTableTwice) {
+        auto createFn = [](TTestBasicRuntime& runtime, ui64 txId) {
+            TestCreateTable(runtime, txId, "/MyRoot", R"(
+                  Name: "Table"
+                  Columns { Name: "key"   Type: "Uint64" }
+                  Columns { Name: "value" Type: "Utf8" }
+                  KeyColumnNames: ["key"]
+            )");
+        };
+
+        auto dropFn = [](TTestBasicRuntime& runtime, ui64 txId) {
+            AsyncDropTable(runtime, txId, "/MyRoot", "Table");
+        };
+
+        DropTwice("/MyRoot/Table", createFn, dropFn);
+    }
+
     Y_UNIT_TEST(CacheEffectiveACL) {
 
         TEffectiveACL firstACL;
@@ -686,10 +686,10 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                             "KeyColumnNames: [\"RowId\", \"key1\", \"key2\"]"
                         );
         AsyncCreateTable(runtime, ++txId, "/MyRoot/DirA",
-                        "Name: \"x/y\"" 
-                            "Columns { Name: \"key\"       Type: \"Uint32\"}" 
-                            "KeyColumnNames: [\"key\"]" 
-                        ); 
+                        "Name: \"x/y\""
+                            "Columns { Name: \"key\"       Type: \"Uint32\"}"
+                            "KeyColumnNames: [\"key\"]"
+                        );
         AsyncCreateTable(runtime, ++txId, "/MyRoot/DirA",
                         "Name: \"Table3\""
                             "Columns { Name: \"RowId\"      Type: \"Yson\"}"
@@ -792,7 +792,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                            {NLs::ChildrenCount(1)});
         TestDescribeResult(DescribePath(runtime, "/MyRoot/DirA"),
                            {NLs::PathVersionEqual(13),
-                            NLs::ChildrenCount(5)}); 
+                            NLs::ChildrenCount(5)});
 
         TestDescribeResult(DescribePath(runtime, "/MyRoot/DirA/Table1"),
                            {NLs::PathExist});
@@ -1074,7 +1074,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                             NLs::ChildrenCount(2)
                            });
 
-        TestConsistentCopyTables(runtime, ++txId, "/", R"( 
+        TestConsistentCopyTables(runtime, ++txId, "/", R"(
                        CopyTableDescriptions {
                          SrcPath: "/MyRoot/DirA/src1"
                          DstPath: "/MyRoot/DirA/dst1"
@@ -1103,7 +1103,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                                                NLs::PathsInsideDomain(17),
                                                NLs::ShardsInsideDomain(10)});
 
-        TestConsistentCopyTables(runtime, ++txId, "/", R"( 
+        TestConsistentCopyTables(runtime, ++txId, "/", R"(
                        CopyTableDescriptions {
                          SrcPath: "/MyRoot/DirA/dst1"
                          DstPath: "/MyRoot/DirA/seconddst1"
@@ -1152,14 +1152,14 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                             NLs::CreatedAt(txId-1)
                            });
 
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirA/dst2/UserDefinedIndexByValue0CoveringValue1"), 
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirA/dst2/UserDefinedIndexByValue0CoveringValue1"),
                            {NLs::Finished,
                             NLs::IndexType(NKikimrSchemeOp::EIndexTypeGlobal),
                             NLs::IndexState(NKikimrSchemeOp::EIndexStateReady),
                             NLs::IndexKeys({"value0"}),
                             NLs::IndexDataColumns({"value1"})});
 
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirA/dst2/UserDefinedIndexByValue0CoveringValue1/indexImplTable"), 
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirA/dst2/UserDefinedIndexByValue0CoveringValue1/indexImplTable"),
                            {NLs::Finished});
 
         TestDescribeResult(DescribePath(runtime, "/MyRoot/DirA/seconddst1"),
@@ -1178,7 +1178,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                             NLs::CreatedAt(txId)
                            });
 
-        TestConsistentCopyTables(runtime, ++txId, "/", R"( 
+        TestConsistentCopyTables(runtime, ++txId, "/", R"(
                        CopyTableDescriptions {
                          SrcPath: "/MyRoot/DirA/seconddst1"
                          DstPath: "/MyRoot/DirA/thirddst1"
@@ -1250,7 +1250,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                             NLs::Finished});
 
         AsyncMkDir(runtime, ++txId, "/MyRoot", "DirB");
-        AsyncConsistentCopyTables(runtime, ++txId, "/", R"( 
+        AsyncConsistentCopyTables(runtime, ++txId, "/", R"(
                        CopyTableDescriptions {
                          SrcPath: "/MyRoot/DirA/src1"
                          DstPath: "/MyRoot/DirB/await1"
@@ -1264,7 +1264,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
         TestModificationResult(runtime, txId, NKikimrScheme::StatusMultipleModifications);
         env.TestWaitNotification(runtime, {txId-1, txId});
 
-        AsyncConsistentCopyTables(runtime, ++txId, "/", R"( 
+        AsyncConsistentCopyTables(runtime, ++txId, "/", R"(
                        CopyTableDescriptions {
                          SrcPath: "/MyRoot/DirA/src1"
                          DstPath: "/MyRoot/DirB/await1"
@@ -1342,7 +1342,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                             NLs::ChildrenCount(3)
                            });
 
-        TestConsistentCopyTables(runtime, ++txId, "/", R"( 
+        TestConsistentCopyTables(runtime, ++txId, "/", R"(
                        CopyTableDescriptions {
                          SrcPath: "/MyRoot/DirA/src1"
                          DstPath: "/MyRoot/DirA/dst1"
@@ -1353,10 +1353,10 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                       }
          )", {NKikimrScheme::StatusInvalidParameter});
 
-        TestConsistentCopyTables(runtime, ++txId, "/", R"( 
+        TestConsistentCopyTables(runtime, ++txId, "/", R"(
          )", {NKikimrScheme::StatusInvalidParameter});
 
-        TestConsistentCopyTables(runtime, ++txId, "/", R"( 
+        TestConsistentCopyTables(runtime, ++txId, "/", R"(
                        CopyTableDescriptions {
                          SrcPath: "/MyRoot/DirA/src1"
                          DstPath: "/MyRoot/DirA/src1"
@@ -1367,7 +1367,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                       }
          )", {NKikimrScheme::StatusSchemeError});
 
-        TestConsistentCopyTables(runtime, ++txId, "/", R"( 
+        TestConsistentCopyTables(runtime, ++txId, "/", R"(
                        CopyTableDescriptions {
                          SrcPath: "/MyRoot/DirA"
                          DstPath: "/MyRoot/DirA/dst1"
@@ -1378,7 +1378,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                       }
          )", {NKikimrScheme::StatusNameConflict});
 
-        TestConsistentCopyTables(runtime, ++txId, "/", R"( 
+        TestConsistentCopyTables(runtime, ++txId, "/", R"(
                        CopyTableDescriptions {
                          SrcPath: "/MyRoot/DirA/src1"
                          DstPath: "/MyRoot/DirA/dst1"
@@ -1389,7 +1389,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                       }
          )", {NKikimrScheme::StatusPathDoesNotExist});
 
-        TestConsistentCopyTables(runtime, ++txId, "/", R"( 
+        TestConsistentCopyTables(runtime, ++txId, "/", R"(
                        CopyTableDescriptions {
                          SrcPath: "/MyRoot/DirA/src1"
                          DstPath: "/MyRoot/DirA/dst1"
@@ -1400,14 +1400,14 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                       }
          )", {NKikimrScheme::StatusPathDoesNotExist});
 
-        TestConsistentCopyTables(runtime, ++txId, "/", R"( 
+        TestConsistentCopyTables(runtime, ++txId, "/", R"(
                        CopyTableDescriptions {
                          SrcPath: "/MyRoot/DirA/src1"
                          DstPath: "/MyRoot/DirA/src2"
                        }
          )", {NKikimrScheme::StatusSchemeError});
 
-        TestConsistentCopyTables(runtime, ++txId, "/", R"( 
+        TestConsistentCopyTables(runtime, ++txId, "/", R"(
                        CopyTableDescriptions {
                          SrcPath: "/MyRoot/DirA/src1"
                          DstPath: "/MyRoot/DirA/dst1"
@@ -1423,7 +1423,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
             env.TestWaitNotification(runtime, txId);
             RebootTablet(runtime, TTestTxConfig::SchemeShard, runtime.AllocateEdgeActor());
 
-            TestConsistentCopyTables(runtime, ++txId, "/", R"( 
+            TestConsistentCopyTables(runtime, ++txId, "/", R"(
                            CopyTableDescriptions {
                              SrcPath: "/MyRoot/DirA/src1"
                              DstPath: "/MyRoot/DirA/dst1{not*allowed$symbols!"
@@ -1440,7 +1440,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                                                NLs::PathExist,
                                                NLs::Finished});
 
-        AsyncConsistentCopyTables(runtime, ++txId, "/", R"( 
+        AsyncConsistentCopyTables(runtime, ++txId, "/", R"(
                        CopyTableDescriptions {
                          SrcPath: "/MyRoot/DirA/src1"
                          DstPath: "/MyRoot/DirA/dst1"
@@ -1454,7 +1454,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
         //Still in fly checks
 
         //retry, must never happen with the same txId, but check that behavior just in case
-        AsyncConsistentCopyTables(runtime, copyingTx, "/", R"( 
+        AsyncConsistentCopyTables(runtime, copyingTx, "/", R"(
                        CopyTableDescriptions {
                          SrcPath: "/MyRoot/DirA/src1"
                          DstPath: "/MyRoot/DirA/dst1"
@@ -1466,7 +1466,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
          )");
 
         //retry with different body, just in case
-        AsyncConsistentCopyTables(runtime, copyingTx, "/", R"( 
+        AsyncConsistentCopyTables(runtime, copyingTx, "/", R"(
                        CopyTableDescriptions {
                          SrcPath: "/MyRoot/DirA/src2"
                          DstPath: "/MyRoot/DirA/dst1"
@@ -1477,7 +1477,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                        })");
 
         //simultaneous
-        AsyncConsistentCopyTables(runtime, ++txId, "/", R"( 
+        AsyncConsistentCopyTables(runtime, ++txId, "/", R"(
                       CopyTableDescriptions {
                         SrcPath: "/MyRoot/DirA/src1"
                         DstPath: "/MyRoot/DirA/dst1"
@@ -1487,7 +1487,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                         DstPath: "/MyRoot/DirA/dst2"
                       })");
 
-        AsyncConsistentCopyTables(runtime, ++txId, "/", R"( 
+        AsyncConsistentCopyTables(runtime, ++txId, "/", R"(
                       CopyTableDescriptions {
                         SrcPath: "/MyRoot/DirA/src3"
                         DstPath: "/MyRoot/DirA/dst1"
@@ -1505,7 +1505,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                             NLs::Finished,
                             NLs::ChildrenCount(5)});
 
-        TestConsistentCopyTables(runtime, ++txId, "/", R"( 
+        TestConsistentCopyTables(runtime, ++txId, "/", R"(
                        CopyTableDescriptions {
                          SrcPath: "/MyRoot/DirA/src1"
                          DstPath: "/MyRoot/DirA/x1"
@@ -1547,7 +1547,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
 
         TestCopyTable(runtime, ++txId, "/MyRoot/DirA", "NotOk", "/MyRoot/DirA/WithEnabledExternalBlobs",
                       NKikimrScheme::StatusPreconditionFailed);
-        TestConsistentCopyTables(runtime, ++txId, "/", R"( 
+        TestConsistentCopyTables(runtime, ++txId, "/", R"(
                        CopyTableDescriptions {
                          SrcPath: "/MyRoot/DirA/src1"
                          DstPath: "/MyRoot/DirA/IsOk"
@@ -1598,7 +1598,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
 
         TestCopyTable(runtime, ++txId, "/MyRoot/DirA", "NotOk", "/MyRoot/DirA/IndexedTableWithEnabledExternalBlobs",
                       NKikimrScheme::StatusPreconditionFailed);
-        TestConsistentCopyTables(runtime, ++txId, "/", R"( 
+        TestConsistentCopyTables(runtime, ++txId, "/", R"(
                        CopyTableDescriptions {
                          SrcPath: "/MyRoot/DirA/src1"
                          DstPath: "/MyRoot/DirA/IsOk"
@@ -1627,7 +1627,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
         TestCopyTable(runtime, ++txId, "/MyRoot/DirA", "NotOk", "/MyRoot/DirA/IndexedTableWithEnabledExternalBlobs",
                       NKikimrScheme::StatusPreconditionFailed);
 
-        TestConsistentCopyTables(runtime, ++txId, "/", R"( 
+        TestConsistentCopyTables(runtime, ++txId, "/", R"(
                        CopyTableDescriptions {
                          SrcPath: "/MyRoot/DirA/src1"
                          DstPath: "/MyRoot/DirA/IsOk"
@@ -1670,7 +1670,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                             NLs::ChildrenCount(2)
                            });
 
-        TestConsistentCopyTables(runtime, ++txId, "/", R"( 
+        TestConsistentCopyTables(runtime, ++txId, "/", R"(
                        CopyTableDescriptions {
                          SrcPath: "/MyRoot/DirA/src1"
                          DstPath: "/MyRoot/DirA/dst1"
@@ -1688,7 +1688,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
         TestModificationResult(runtime, txId, NKikimrScheme::StatusAccepted);
         env.TestWaitNotification(runtime, {txId, txId-1});
 
-        TestConsistentCopyTables(runtime, ++txId, "/", R"( 
+        TestConsistentCopyTables(runtime, ++txId, "/", R"(
                       CopyTableDescriptions {
                         SrcPath: "/MyRoot/DirA/src1"
                         DstPath: "/MyRoot/DirA/dst1"
@@ -1703,7 +1703,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
         //simonteniously
         AsyncDropTable(runtime, ++txId, "/MyRoot/DirA", "dst1");
         AsyncDropTable(runtime, ++txId, "/MyRoot/DirA", "dst2");
-        AsyncConsistentCopyTables(runtime, ++txId, "/", R"( 
+        AsyncConsistentCopyTables(runtime, ++txId, "/", R"(
                       CopyTableDescriptions {
                         SrcPath: "/MyRoot/DirA/src1"
                         DstPath: "/MyRoot/DirA/dst1"
@@ -1755,7 +1755,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                            {NLs::NotFinished,
                             NLs::PathVersionEqual(1),
                             NLs::IndexesCount(0)});
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirA/Table1/UserDefinedIndexByValue1"), 
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirA/Table1/UserDefinedIndexByValue1"),
                            {NLs::NotFinished});
         TestModificationResult(runtime, txId-1, NKikimrScheme::StatusAccepted);
         TestModificationResult(runtime, txId, NKikimrScheme::StatusAccepted);
@@ -1769,37 +1769,37 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                            {NLs::Finished,
                             NLs::PathVersionEqual(3),
                             NLs::IndexesCount(4)});
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirA/Table1/UserDefinedIndexByValue0"), 
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirA/Table1/UserDefinedIndexByValue0"),
                            {NLs::Finished,
                             NLs::IndexType(NKikimrSchemeOp::EIndexTypeGlobal),
                             NLs::IndexState(NKikimrSchemeOp::EIndexStateReady),
                             NLs::IndexKeys({"value0"})});
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirA/Table1/UserDefinedIndexByValue0/indexImplTable"), 
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirA/Table1/UserDefinedIndexByValue0/indexImplTable"),
                            {NLs::Finished});
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirA/Table1/UserDefinedIndexByValue1"), 
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirA/Table1/UserDefinedIndexByValue1"),
                            {NLs::Finished,
                             NLs::IndexType(NKikimrSchemeOp::EIndexTypeGlobal),
                             NLs::IndexState(NKikimrSchemeOp::EIndexStateReady),
                             NLs::IndexKeys({"value1"})});
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirA/Table1/UserDefinedIndexByValue1/indexImplTable"), 
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirA/Table1/UserDefinedIndexByValue1/indexImplTable"),
                            {NLs::Finished});
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirA/Table1/UserDefinedIndexByValues"), 
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirA/Table1/UserDefinedIndexByValues"),
                            {NLs::Finished,
                             NLs::IndexType(NKikimrSchemeOp::EIndexTypeGlobal),
                             NLs::IndexState(NKikimrSchemeOp::EIndexStateReady),
                             NLs::IndexKeys({"value0", "value1"})});
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirA/Table1/UserDefinedIndexByValues/indexImplTable"), 
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirA/Table1/UserDefinedIndexByValues/indexImplTable"),
                            {NLs::Finished});
 
 
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirA/Table1/UserDefinedIndexByValue0CoveringValue1"), 
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirA/Table1/UserDefinedIndexByValue0CoveringValue1"),
                            {NLs::Finished,
                             NLs::IndexType(NKikimrSchemeOp::EIndexTypeGlobal),
                             NLs::IndexState(NKikimrSchemeOp::EIndexStateReady),
                             NLs::IndexKeys({"value0"}),
                             NLs::IndexDataColumns({"value1"})});
 
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirA/Table1/UserDefinedIndexByValue0CoveringValue1/indexImplTable"), 
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirA/Table1/UserDefinedIndexByValue0CoveringValue1/indexImplTable"),
                            {NLs::Finished});
 
         TestDropTable(runtime, ++txId, "/MyRoot/DirA", "Table1");
@@ -1852,29 +1852,29 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                            {NLs::Finished,
                             NLs::PathVersionEqual(3),
                             NLs::IndexesCount(3)});
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirA/copy/UserDefinedIndexByValue0"), 
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirA/copy/UserDefinedIndexByValue0"),
                            {NLs::Finished,
                             NLs::IndexType(NKikimrSchemeOp::EIndexTypeGlobal),
                             NLs::IndexState(NKikimrSchemeOp::EIndexStateReady),
                             NLs::IndexKeys({"value0"})});
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirA/copy/UserDefinedIndexByValue0/indexImplTable"), 
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirA/copy/UserDefinedIndexByValue0/indexImplTable"),
                            {NLs::Finished});
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirA/copy/UserDefinedIndexByValue1"), 
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirA/copy/UserDefinedIndexByValue1"),
                            {NLs::Finished,
                             NLs::IndexType(NKikimrSchemeOp::EIndexTypeGlobal),
                             NLs::IndexState(NKikimrSchemeOp::EIndexStateReady),
                             NLs::IndexKeys({"value1"})});
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirA/copy/UserDefinedIndexByValue1/indexImplTable"), 
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirA/copy/UserDefinedIndexByValue1/indexImplTable"),
                            {NLs::Finished});
 
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirA/copy/UserDefinedIndexByValue0CoveringValue1"), 
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirA/copy/UserDefinedIndexByValue0CoveringValue1"),
                            {NLs::Finished,
                             NLs::IndexType(NKikimrSchemeOp::EIndexTypeGlobal),
                             NLs::IndexState(NKikimrSchemeOp::EIndexStateReady),
                             NLs::IndexKeys({"value0"}),
                             NLs::IndexDataColumns({"value1"})});
 
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirA/copy/UserDefinedIndexByValue0CoveringValue1/indexImplTable"), 
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirA/copy/UserDefinedIndexByValue0CoveringValue1/indexImplTable"),
                            {NLs::Finished});
     }
 
@@ -2245,15 +2245,15 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
         TestModificationResult(runtime, txId-2, NKikimrScheme::StatusAccepted);
         TestModificationResult(runtime, txId-1, NKikimrScheme::StatusAccepted);
 
-        { 
+        {
             auto ev = runtime.GrabEdgeEvent<TEvSchemeShard::TEvModifySchemeTransactionResult>();
-            UNIT_ASSERT(ev); 
-            const auto& record = ev->Record; 
-            UNIT_ASSERT_VALUES_EQUAL(record.GetTxId(), txId); 
+            UNIT_ASSERT(ev);
+            const auto& record = ev->Record;
+            UNIT_ASSERT_VALUES_EQUAL(record.GetTxId(), txId);
             UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusMultipleModifications);
-            UNIT_ASSERT_VALUES_EQUAL(record.GetPathDropTxId(), txId - 2); 
-        } 
- 
+            UNIT_ASSERT_VALUES_EQUAL(record.GetPathDropTxId(), txId - 2);
+        }
+
         env.TestWaitNotification(runtime, {txId-1, txId-2});
 
         TestDropTable(runtime, ++txId, "/MyRoot/DirA", "Table1", {TEvSchemeShard::EStatus::StatusPathDoesNotExist});
@@ -3395,169 +3395,169 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
             };
         };
 
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true), 
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true),
                            {descrChecker(1)});
 
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/CopyTable", true), 
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/CopyTable", true),
                            {descrChecker(1)});
 
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/CopyTable2", true), 
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/CopyTable2", true),
                            {descrChecker(2)});
 
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/CopyTable3", true), 
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/CopyTable3", true),
                            {descrChecker(1)});
     }
 
     Y_UNIT_TEST(CopyTableOmitFollowers) {
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime); 
-        ui64 txId = 100; 
-
-        // create src table 
-        TestCreateTable(runtime, ++txId, "/MyRoot", R"( 
-            Name: "Table" 
-            Columns { Name: "key" Type: "Uint32"} 
-            Columns { Name: "Value" Type: "Utf8"} 
-            KeyColumnNames: ["key"] 
-            PartitionConfig { 
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime);
+        ui64 txId = 100;
+
+        // create src table
+        TestCreateTable(runtime, ++txId, "/MyRoot", R"(
+            Name: "Table"
+            Columns { Name: "key" Type: "Uint32"}
+            Columns { Name: "Value" Type: "Utf8"}
+            KeyColumnNames: ["key"]
+            PartitionConfig {
                 FollowerCount: 1
-            } 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true), { 
-            NLs::Finished, 
-            NLs::IsTable, 
+            }
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true), {
+            NLs::Finished,
+            NLs::IsTable,
             NLs::FollowerCount(1)
-        }); 
- 
-        // simple copy table 
-        TestCreateTable(runtime, ++txId, "/MyRoot", R"( 
-            Name: "CopyTable" 
-            CopyFromTable: "/MyRoot/Table" 
+        });
+
+        // simple copy table
+        TestCreateTable(runtime, ++txId, "/MyRoot", R"(
+            Name: "CopyTable"
+            CopyFromTable: "/MyRoot/Table"
             OmitFollowers: true
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/CopyTable", true), { 
-            NLs::Finished, 
-            NLs::IsTable, 
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/CopyTable", true), {
+            NLs::Finished,
+            NLs::IsTable,
             NLs::FollowerCount(0),
             NLs::CrossDataCenterFollowerCount(0),
             NLs::FollowerGroups({NKikimrHive::TFollowerGroup()})
-        }); 
- 
-        // consistent copy table 
-        TestConsistentCopyTables(runtime, ++txId, "/", R"( 
-            CopyTableDescriptions { 
-                SrcPath: "/MyRoot/Table" 
-                DstPath: "/MyRoot/ConsistentCopyTable" 
+        });
+
+        // consistent copy table
+        TestConsistentCopyTables(runtime, ++txId, "/", R"(
+            CopyTableDescriptions {
+                SrcPath: "/MyRoot/Table"
+                DstPath: "/MyRoot/ConsistentCopyTable"
                 OmitFollowers: true
-            } 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/ConsistentCopyTable", true), { 
-            NLs::Finished, 
-            NLs::IsTable, 
+            }
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/ConsistentCopyTable", true), {
+            NLs::Finished,
+            NLs::IsTable,
             NLs::FollowerCount(0),
             NLs::CrossDataCenterFollowerCount(0),
             NLs::FollowerGroups({NKikimrHive::TFollowerGroup()})
-        }); 
-    } 
- 
-    Y_UNIT_TEST(CopyTableForBackup) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime); 
-        ui64 txId = 100; 
- 
-        // create src table 
-        TestCreateTable(runtime, ++txId, "/MyRoot", R"( 
-            Name: "Table" 
-            Columns { Name: "key" Type: "Uint32"} 
-            Columns { Name: "value" Type: "Utf8"} 
-            KeyColumnNames: ["key"] 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true), { 
-            NLs::IsBackupTable(false), 
-        }); 
- 
-        // simple copy table 
-        TestCreateTable(runtime, ++txId, "/MyRoot", R"( 
-            Name: "CopyTable" 
-            CopyFromTable: "/MyRoot/Table" 
-            IsBackup: true 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/CopyTable", true), { 
-            NLs::IsBackupTable(true), 
-        }); 
- 
-        // consistent copy table 
-        TestConsistentCopyTables(runtime, ++txId, "/", R"( 
-            CopyTableDescriptions { 
-                SrcPath: "/MyRoot/Table" 
-                DstPath: "/MyRoot/ConsistentCopyTable" 
-                IsBackup: true 
-            } 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/ConsistentCopyTable", true), { 
-            NLs::IsBackupTable(true), 
-        }); 
- 
-        // cannot create new table with 'IsBackup' 
-        TestCreateTable(runtime, ++txId, "/MyRoot", R"( 
-            Name: "TableForBackup" 
-            Columns { Name: "key" Type: "Uint32"} 
-            Columns { Name: "value" Type: "Utf8"} 
-            KeyColumnNames: ["key"] 
-            IsBackup: true 
+        });
+    }
+
+    Y_UNIT_TEST(CopyTableForBackup) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime);
+        ui64 txId = 100;
+
+        // create src table
+        TestCreateTable(runtime, ++txId, "/MyRoot", R"(
+            Name: "Table"
+            Columns { Name: "key" Type: "Uint32"}
+            Columns { Name: "value" Type: "Utf8"}
+            KeyColumnNames: ["key"]
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true), {
+            NLs::IsBackupTable(false),
+        });
+
+        // simple copy table
+        TestCreateTable(runtime, ++txId, "/MyRoot", R"(
+            Name: "CopyTable"
+            CopyFromTable: "/MyRoot/Table"
+            IsBackup: true
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/CopyTable", true), {
+            NLs::IsBackupTable(true),
+        });
+
+        // consistent copy table
+        TestConsistentCopyTables(runtime, ++txId, "/", R"(
+            CopyTableDescriptions {
+                SrcPath: "/MyRoot/Table"
+                DstPath: "/MyRoot/ConsistentCopyTable"
+                IsBackup: true
+            }
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/ConsistentCopyTable", true), {
+            NLs::IsBackupTable(true),
+        });
+
+        // cannot create new table with 'IsBackup'
+        TestCreateTable(runtime, ++txId, "/MyRoot", R"(
+            Name: "TableForBackup"
+            Columns { Name: "key" Type: "Uint32"}
+            Columns { Name: "value" Type: "Utf8"}
+            KeyColumnNames: ["key"]
+            IsBackup: true
         )", {NKikimrScheme::StatusInvalidParameter});
- 
-        TestCreateIndexedTable(runtime, ++txId, "/MyRoot", R"( 
-            TableDescription { 
-              Name: "TableForBackup" 
-              Columns { Name: "key" Type: "Uint32"} 
-              Columns { Name: "value" Type: "Utf8"} 
-              KeyColumnNames: ["key"] 
-              IsBackup: true 
-            } 
-            IndexDescription { 
-              Name: "UserDefinedIndexByValue" 
-              KeyColumnNames: ["value"] 
-            } 
+
+        TestCreateIndexedTable(runtime, ++txId, "/MyRoot", R"(
+            TableDescription {
+              Name: "TableForBackup"
+              Columns { Name: "key" Type: "Uint32"}
+              Columns { Name: "value" Type: "Utf8"}
+              KeyColumnNames: ["key"]
+              IsBackup: true
+            }
+            IndexDescription {
+              Name: "UserDefinedIndexByValue"
+              KeyColumnNames: ["value"]
+            }
         )", {NKikimrScheme::StatusInvalidParameter});
- 
-        // cannot add 'IsBackup' property to existent table 
-        TestAlterTable(runtime, ++txId, "/MyRoot", R"( 
-            Name: "Table" 
-            IsBackup: true 
+
+        // cannot add 'IsBackup' property to existent table
+        TestAlterTable(runtime, ++txId, "/MyRoot", R"(
+            Name: "Table"
+            IsBackup: true
         )", {NKikimrScheme::StatusInvalidParameter});
- 
-        TestAlterTable(runtime, ++txId, "/MyRoot", R"( 
-            Name: "Table" 
-            IsBackup: true 
-            DropColumns { Name: "value" } 
+
+        TestAlterTable(runtime, ++txId, "/MyRoot", R"(
+            Name: "Table"
+            IsBackup: true
+            DropColumns { Name: "value" }
         )", {NKikimrScheme::StatusInvalidParameter});
- 
-        // cannot remove 'IsBackup' property from existent table 
-        TestAlterTable(runtime, ++txId, "/MyRoot", R"( 
-            Name: "CopyTable" 
-            IsBackup: false 
+
+        // cannot remove 'IsBackup' property from existent table
+        TestAlterTable(runtime, ++txId, "/MyRoot", R"(
+            Name: "CopyTable"
+            IsBackup: false
         )", {NKikimrScheme::StatusInvalidParameter});
- 
-        TestAlterTable(runtime, ++txId, "/MyRoot", R"( 
-            Name: "CopyTable" 
-            IsBackup: false 
-            DropColumns { Name: "value" } 
+
+        TestAlterTable(runtime, ++txId, "/MyRoot", R"(
+            Name: "CopyTable"
+            IsBackup: false
+            DropColumns { Name: "value" }
         )", {NKikimrScheme::StatusInvalidParameter});
-    } 
- 
+    }
+
     Y_UNIT_TEST(AlterTableAndConcurrentSplit) { //+
         TTestBasicRuntime runtime;
         TTestEnv env(runtime);
@@ -3664,7 +3664,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
         TestModificationResult(runtime, txId, NKikimrScheme::StatusMultipleModifications);
         env.TestWaitNotification(runtime, {txId, txId-1, txId-2});
 
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true), 
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true),
                            {NLs::PartitionCount(2)});
 
         NTabletFlatScheme::TSchemeChanges scheme;
@@ -4311,7 +4311,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
             UNIT_ASSERT_VALUES_EQUAL(tableDescription.GetColumns(1).GetFamily(), 0);
         }
 
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true), 
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true),
                            {NLs::IsTable,
                             [] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
                                 Cerr << record.DebugString() << Endl;
@@ -4543,34 +4543,34 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
         };
 
         Cerr << "Checking Table1" << Endl;
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table1", true), 
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table1", true),
                            {descrChecker()});
 
         Cerr << "Checking Table2" << Endl;
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table2", true), 
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table2", true),
                            {descrChecker()});
 
         Cerr << "Checking Table3" << Endl;
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table3", true), 
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table3", true),
                            {descrChecker(1)});
 
         TActorId sender = runtime.AllocateEdgeActor();
         RebootTablet(runtime, TTestTxConfig::SchemeShard, sender);
 
         Cerr << "Checking Table1" << Endl;
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table1", true), 
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table1", true),
                            {descrChecker()});
 
         Cerr << "Checking Table2" << Endl;
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table2", true), 
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table2", true),
                            {descrChecker()});
 
         Cerr << "Checking Table3" << Endl;
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table3", true), 
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table3", true),
                            {descrChecker(1)});
 
         Cerr << "Checking Table4" << Endl;
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table4", true), 
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table4", true),
                            {descrChecker(1)});
 
         // Copy table of table with families should succeed
@@ -4647,15 +4647,15 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                             )", {NKikimrScheme::StatusInvalidParameter});
 
         Cerr << "Checking Table1" << Endl;
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table1", true), 
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table1", true),
                            {descrChecker()});
 
         Cerr << "Checking Table2" << Endl;
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table2", true), 
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table2", true),
                            {descrChecker()});
 
         Cerr << "Checking Table3" << Endl;
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table3", true), 
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table3", true),
                            {descrChecker()});
 
         // /MyRoot/Table1
@@ -4832,12 +4832,12 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
             UNIT_ASSERT_VALUES_EQUAL(tableDescription.GetColumns(0).GetFamily(), 0);
         };
 
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table1", true), 
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table1", true),
                            {NLs::ColumnFamiliesCount(1),
                             NLs::ColumnFamiliesHas(0, "ExtBlobsOnHDD"),
                             descrChecker});
 
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table1Copy", true), 
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table1Copy", true),
                            {descrChecker,
                             NLs::ColumnFamiliesHas(0, "ExtBlobsOnHDD"),
                             NLs::ColumnFamiliesCount(1)});
@@ -4981,7 +4981,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
             }
 
             Cerr << "Checking schema for Table1" << Endl;
-            TestLs(runtime, "/MyRoot/Table1", true, checker); 
+            TestLs(runtime, "/MyRoot/Table1", true, checker);
         };
 
         // Creating a table with alt family on a different data storage should be OK
@@ -5289,7 +5289,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
         TestDescribeResult(DescribePath(runtime, "/MyRoot"),
                            {NLs::PathsInsideDomain(1), NLs::ShardsInsideDomain(1)});
 
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true), 
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true),
                            {
                                NLs::FollowerCount(0),
                                NLs::CrossDataCenterFollowerCount(0),
@@ -5324,7 +5324,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
         TestDescribeResult(DescribePath(runtime, "/MyRoot"),
                            {NLs::PathsInsideDomain(1), NLs::ShardsInsideDomain(1)});
 
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true), 
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true),
                            {
                                NLs::FollowerCount(2),
                                NLs::CrossDataCenterFollowerCount(0),
@@ -5342,7 +5342,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                         )");
         env.TestWaitNotification(runtime, txId);
 
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true), 
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true),
                            {
                                NLs::FollowerCount(1),
                                NLs::CrossDataCenterFollowerCount(0),
@@ -5364,7 +5364,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                         )");
         env.TestWaitNotification(runtime, txId);
 
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true), 
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true),
                            {
                                NLs::FollowerCount(1),
                                NLs::CrossDataCenterFollowerCount(0),
@@ -5382,7 +5382,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                         )");
         env.TestWaitNotification(runtime, txId);
 
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true), 
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true),
                            {
                                NLs::FollowerCount(1),
                                NLs::CrossDataCenterFollowerCount(0),
@@ -5400,7 +5400,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                         )");
         env.TestWaitNotification(runtime, txId);
 
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true), 
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true),
                            {
                                NLs::FollowerCount(0),
                                NLs::CrossDataCenterFollowerCount(0),
@@ -5418,7 +5418,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                         )");
         env.TestWaitNotification(runtime, txId);
 
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true), 
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true),
                            {
                                NLs::FollowerCount(0),
                                NLs::CrossDataCenterFollowerCount(1),
@@ -5435,7 +5435,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                         )");
         env.TestWaitNotification(runtime, txId);
 
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true), 
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true),
                            {
                                NLs::FollowerCount(0),
                                NLs::CrossDataCenterFollowerCount(0),
@@ -5452,7 +5452,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                         )");
         env.TestWaitNotification(runtime, txId);
 
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true), 
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true),
                            {
                                NLs::FollowerCount(0),
                                NLs::CrossDataCenterFollowerCount(0),
@@ -5469,7 +5469,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                         )");
         env.TestWaitNotification(runtime, txId);
 
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true), 
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true),
                            {
                                NLs::FollowerCount(0),
                                NLs::CrossDataCenterFollowerCount(2),
@@ -5485,7 +5485,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                         )", {NKikimrScheme::StatusInvalidParameter});
         env.TestWaitNotification(runtime, txId);
 
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true), 
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true),
                            {
                                NLs::FollowerCount(0),
                                NLs::CrossDataCenterFollowerCount(2),
@@ -5508,7 +5508,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
             NKikimrHive::TFollowerGroup control;
             control.SetFollowerCount(1);
 
-            TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true), 
+            TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true),
                                {
                                    NLs::FollowerCount(0),
                                    NLs::CrossDataCenterFollowerCount(0),
@@ -5530,7 +5530,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
             NKikimrHive::TFollowerGroup control;
             control.SetFollowerCount(1);
 
-            TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true), 
+            TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true),
                                {
                                    NLs::FollowerCount(0),
                                    NLs::CrossDataCenterFollowerCount(0),
@@ -5552,7 +5552,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
             NKikimrHive::TFollowerGroup control;
             control.SetFollowerCount(1);
 
-            TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true), 
+            TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true),
                                {
                                    NLs::FollowerCount(0),
                                    NLs::CrossDataCenterFollowerCount(0),
@@ -5574,7 +5574,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
              NKikimrHive::TFollowerGroup control;
              control.SetFollowerCount(1);
 
-             TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true), 
+             TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true),
                                 {
                                     NLs::FollowerCount(0),
                                     NLs::CrossDataCenterFollowerCount(0),
@@ -5600,7 +5600,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
               NKikimrHive::TFollowerGroup control;
               control.SetFollowerCount(1);
 
-              TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true), 
+              TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true),
                                  {
                                      NLs::FollowerCount(0),
                                      NLs::CrossDataCenterFollowerCount(0),
@@ -5624,7 +5624,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
               NKikimrHive::TFollowerGroup control;
               control.SetFollowerCount(1);
 
-              TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true), 
+              TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true),
                                  {
                                      NLs::FollowerCount(0),
                                      NLs::CrossDataCenterFollowerCount(0),
@@ -5648,7 +5648,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
               NKikimrHive::TFollowerGroup control;
               control.SetFollowerCount(1);
 
-              TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true), 
+              TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true),
                                  {
                                      NLs::FollowerCount(0),
                                      NLs::CrossDataCenterFollowerCount(0),
@@ -5679,7 +5679,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
               NKikimrHive::TFollowerGroup control;
               control.SetFollowerCount(1);
 
-              TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true), 
+              TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true),
                                  {
                                      NLs::FollowerCount(0),
                                      NLs::CrossDataCenterFollowerCount(0),
@@ -5707,7 +5707,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
               control.SetAllowLeaderPromotion(true);
               control.SetRequireAllDataCenters(true);
 
-              TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true), 
+              TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true),
                                  {
                                      NLs::FollowerCount(0),
                                      NLs::CrossDataCenterFollowerCount(0),
@@ -5979,7 +5979,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                             NLs::Finished});
     }
 
-    Y_UNIT_TEST(AlterPersQueueGroup) { //+ 
+    Y_UNIT_TEST(AlterPersQueueGroup) { //+
         TTestBasicRuntime runtime;
         TTestEnv env(runtime);
         ui64 txId = 1000;
@@ -6088,154 +6088,154 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                             NLs::ShardsInsideDomain(41)});
     }
 
-    Y_UNIT_TEST(CreatePersQueueGroupWithKeySchema) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime); 
-        ui64 txId = 100; 
- 
-        // Partition count and partition boundaries mismatch 
-        TestCreatePQGroup(runtime, ++txId, "/MyRoot", R"( 
-            Name: "PQGroup" 
-            TotalGroupCount: 1 
-            PartitionPerTablet: 1 
-            PQTabletConfig { 
-                PartitionConfig { LifetimeSeconds: 10 } 
-                PartitionKeySchema { Name: "key1" TypeId: 2 } 
-            } 
-            PartitionBoundaries { 
-                Tuple { Optional { Uint32: 1000 } } 
-            } 
+    Y_UNIT_TEST(CreatePersQueueGroupWithKeySchema) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime);
+        ui64 txId = 100;
+
+        // Partition count and partition boundaries mismatch
+        TestCreatePQGroup(runtime, ++txId, "/MyRoot", R"(
+            Name: "PQGroup"
+            TotalGroupCount: 1
+            PartitionPerTablet: 1
+            PQTabletConfig {
+                PartitionConfig { LifetimeSeconds: 10 }
+                PartitionKeySchema { Name: "key1" TypeId: 2 }
+            }
+            PartitionBoundaries {
+                Tuple { Optional { Uint32: 1000 } }
+            }
         )", {NKikimrScheme::StatusInvalidParameter});
- 
-        // Missing key schema 
-        TestCreatePQGroup(runtime, ++txId, "/MyRoot", R"( 
-            Name: "PQGroup" 
-            TotalGroupCount: 2 
-            PartitionPerTablet: 1 
-            PQTabletConfig { 
-                PartitionConfig { LifetimeSeconds: 10 } 
-            } 
-            PartitionBoundaries { 
-                Tuple { Optional { Uint32: 1000 } } 
-            } 
+
+        // Missing key schema
+        TestCreatePQGroup(runtime, ++txId, "/MyRoot", R"(
+            Name: "PQGroup"
+            TotalGroupCount: 2
+            PartitionPerTablet: 1
+            PQTabletConfig {
+                PartitionConfig { LifetimeSeconds: 10 }
+            }
+            PartitionBoundaries {
+                Tuple { Optional { Uint32: 1000 } }
+            }
         )", {NKikimrScheme::StatusInvalidParameter});
- 
-        // Invalid partition boundary 
-        TestCreatePQGroup(runtime, ++txId, "/MyRoot", R"( 
-            Name: "PQGroup" 
-            TotalGroupCount: 2 
-            PartitionPerTablet: 1 
-            PQTabletConfig { 
-                PartitionConfig { LifetimeSeconds: 10 } 
-                PartitionKeySchema { Name: "key1" TypeId: 2 } 
-            } 
-            PartitionBoundaries { 
-                Tuple { Optional { Uint32: 1000 } } 
-                Tuple { Optional { Uint32: 2000 } } 
-            } 
+
+        // Invalid partition boundary
+        TestCreatePQGroup(runtime, ++txId, "/MyRoot", R"(
+            Name: "PQGroup"
+            TotalGroupCount: 2
+            PartitionPerTablet: 1
+            PQTabletConfig {
+                PartitionConfig { LifetimeSeconds: 10 }
+                PartitionKeySchema { Name: "key1" TypeId: 2 }
+            }
+            PartitionBoundaries {
+                Tuple { Optional { Uint32: 1000 } }
+                Tuple { Optional { Uint32: 2000 } }
+            }
         )", {NKikimrScheme::StatusSchemeError});
- 
-        // Invalid type 
-        TestCreatePQGroup(runtime, ++txId, "/MyRoot", R"( 
-            Name: "PQGroup" 
-            TotalGroupCount: 2 
-            PartitionPerTablet: 1 
-            PQTabletConfig { 
-                PartitionConfig { LifetimeSeconds: 10 } 
-                PartitionKeySchema { Name: "key1" TypeId: 0 } 
-            } 
-            PartitionBoundaries { 
-                Tuple { Optional { Uint32: 1000 } } 
-            } 
+
+        // Invalid type
+        TestCreatePQGroup(runtime, ++txId, "/MyRoot", R"(
+            Name: "PQGroup"
+            TotalGroupCount: 2
+            PartitionPerTablet: 1
+            PQTabletConfig {
+                PartitionConfig { LifetimeSeconds: 10 }
+                PartitionKeySchema { Name: "key1" TypeId: 0 }
+            }
+            PartitionBoundaries {
+                Tuple { Optional { Uint32: 1000 } }
+            }
         )", {NKikimrScheme::StatusSchemeError});
- 
-        TestCreatePQGroup(runtime, ++txId, "/MyRoot", R"( 
-            Name: "PQGroup1" 
-            TotalGroupCount: 1 
-            PartitionPerTablet: 1 
-            PQTabletConfig { 
-                PartitionConfig { LifetimeSeconds: 10 } 
-                PartitionKeySchema { Name: "key1" TypeId: 2 } 
-            } 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/PQGroup1", true), { 
-            NLs::CheckPartCount("PQGroup1", 1, 1, 1, 1), 
-        }); 
- 
-        TestCreatePQGroup(runtime, ++txId, "/MyRoot", R"( 
-            Name: "PQGroup2" 
-            TotalGroupCount: 2 
-            PartitionPerTablet: 1 
-            PQTabletConfig { 
-                PartitionConfig { LifetimeSeconds: 10 } 
-                PartitionKeySchema { Name: "key1" TypeId: 2 } 
-            } 
-            PartitionBoundaries { 
-                Tuple { Optional { Uint32: 1000 } } 
-            } 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/PQGroup2", true), { 
-            NLs::CheckPartCount("PQGroup2", 2, 1, 2, 2), 
-        }); 
- 
-        TestCreatePQGroup(runtime, ++txId, "/MyRoot", R"( 
-            Name: "PQGroup3" 
-            TotalGroupCount: 2 
-            PartitionPerTablet: 1 
-            PQTabletConfig { 
-                PartitionConfig { LifetimeSeconds: 10 } 
-                PartitionKeySchema { Name: "key1" TypeId: 2 } 
-                PartitionKeySchema { Name: "key2" TypeId: 2 } 
-            } 
-            PartitionBoundaries { 
-                Tuple { Optional { Uint32: 1000 } } 
-            } 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/PQGroup3", true), { 
-            NLs::CheckPartCount("PQGroup3", 2, 1, 2, 2), 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(AlterPersQueueGroupWithKeySchema) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime); 
-        ui64 txId = 100; 
- 
-        TestCreatePQGroup(runtime, ++txId, "/MyRoot", R"( 
-            Name: "PQGroup" 
-            TotalGroupCount: 1 
-            PartitionPerTablet: 1 
-            PQTabletConfig { 
-                PartitionConfig { LifetimeSeconds: 10 } 
-                PartitionKeySchema { Name: "key1" TypeId: 2 } 
-            } 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        // change partition count 
-        TestAlterPQGroup(runtime, ++txId, "/MyRoot", R"( 
-            Name: "PQGroup" 
-            TotalGroupCount: 2 
+
+        TestCreatePQGroup(runtime, ++txId, "/MyRoot", R"(
+            Name: "PQGroup1"
+            TotalGroupCount: 1
+            PartitionPerTablet: 1
+            PQTabletConfig {
+                PartitionConfig { LifetimeSeconds: 10 }
+                PartitionKeySchema { Name: "key1" TypeId: 2 }
+            }
+        )");
+        env.TestWaitNotification(runtime, txId);
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/PQGroup1", true), {
+            NLs::CheckPartCount("PQGroup1", 1, 1, 1, 1),
+        });
+
+        TestCreatePQGroup(runtime, ++txId, "/MyRoot", R"(
+            Name: "PQGroup2"
+            TotalGroupCount: 2
+            PartitionPerTablet: 1
+            PQTabletConfig {
+                PartitionConfig { LifetimeSeconds: 10 }
+                PartitionKeySchema { Name: "key1" TypeId: 2 }
+            }
+            PartitionBoundaries {
+                Tuple { Optional { Uint32: 1000 } }
+            }
+        )");
+        env.TestWaitNotification(runtime, txId);
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/PQGroup2", true), {
+            NLs::CheckPartCount("PQGroup2", 2, 1, 2, 2),
+        });
+
+        TestCreatePQGroup(runtime, ++txId, "/MyRoot", R"(
+            Name: "PQGroup3"
+            TotalGroupCount: 2
+            PartitionPerTablet: 1
+            PQTabletConfig {
+                PartitionConfig { LifetimeSeconds: 10 }
+                PartitionKeySchema { Name: "key1" TypeId: 2 }
+                PartitionKeySchema { Name: "key2" TypeId: 2 }
+            }
+            PartitionBoundaries {
+                Tuple { Optional { Uint32: 1000 } }
+            }
+        )");
+        env.TestWaitNotification(runtime, txId);
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/PQGroup3", true), {
+            NLs::CheckPartCount("PQGroup3", 2, 1, 2, 2),
+        });
+    }
+
+    Y_UNIT_TEST(AlterPersQueueGroupWithKeySchema) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime);
+        ui64 txId = 100;
+
+        TestCreatePQGroup(runtime, ++txId, "/MyRoot", R"(
+            Name: "PQGroup"
+            TotalGroupCount: 1
+            PartitionPerTablet: 1
+            PQTabletConfig {
+                PartitionConfig { LifetimeSeconds: 10 }
+                PartitionKeySchema { Name: "key1" TypeId: 2 }
+            }
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        // change partition count
+        TestAlterPQGroup(runtime, ++txId, "/MyRoot", R"(
+            Name: "PQGroup"
+            TotalGroupCount: 2
         )", {NKikimrScheme::StatusInvalidParameter});
- 
-        // add partitions 
-        TestAlterPQGroup(runtime, ++txId, "/MyRoot", R"( 
-            Name: "PQGroup" 
-            PartitionsToAdd { PartitionId: 1 GroupId: 1 } 
+
+        // add partitions
+        TestAlterPQGroup(runtime, ++txId, "/MyRoot", R"(
+            Name: "PQGroup"
+            PartitionsToAdd { PartitionId: 1 GroupId: 1 }
         )", {NKikimrScheme::StatusInvalidParameter});
- 
-        // change key schema 
-        TestAlterPQGroup(runtime, ++txId, "/MyRoot", R"( 
-            Name: "PQGroup" 
-            PQTabletConfig { 
-                PartitionKeySchema { Name: "key2" TypeId: 2 } 
-            } 
+
+        // change key schema
+        TestAlterPQGroup(runtime, ++txId, "/MyRoot", R"(
+            Name: "PQGroup"
+            PQTabletConfig {
+                PartitionKeySchema { Name: "key2" TypeId: 2 }
+            }
         )", {NKikimrScheme::StatusInvalidParameter});
-    } 
- 
+    }
+
     Y_UNIT_TEST(DropTable) { //+
         TTestBasicRuntime runtime;
         TTestEnv env(runtime);
@@ -6265,7 +6265,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
         TestDescribeResult(DescribePath(runtime, "/MyRoot/Ops/Table", true),
                            {NLs::Finished});
 
-        TestRmDir(runtime, ++txId, "/MyRoot", "Ops", {NKikimrScheme::StatusNameConflict}); 
+        TestRmDir(runtime, ++txId, "/MyRoot", "Ops", {NKikimrScheme::StatusNameConflict});
 
         TestDropTable(runtime, ++txId, "/MyRoot/Ops", "Table");
         env.TestWaitNotification(runtime, txId);
@@ -6285,7 +6285,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
         TestDescribeResult(DescribePath(runtime, "/MyRoot/Ops/PartTable", true),
                            {NLs::Finished});
 
-        TestRmDir(runtime, ++txId, "/MyRoot", "Ops", {NKikimrScheme::StatusNameConflict}); 
+        TestRmDir(runtime, ++txId, "/MyRoot", "Ops", {NKikimrScheme::StatusNameConflict});
 
         TestDropTable(runtime, ++txId, "/MyRoot/Ops", "PartTable");
         env.TestWaitNotification(runtime, txId);
@@ -6361,7 +6361,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
         TestDescribeResult(DescribePath(runtime, "/MyRoot/Ops"),
                            {NLs::Finished});
 
-        TestRmDir(runtime, ++txId, "/MyRoot", "Ops", {NKikimrScheme::StatusNameConflict}); 
+        TestRmDir(runtime, ++txId, "/MyRoot", "Ops", {NKikimrScheme::StatusNameConflict});
 
         TestDropPQGroup(runtime, ++txId, "/MyRoot/Ops", "DropMeBaby");
         env.TestWaitNotification(runtime, txId);
@@ -6405,7 +6405,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
         TestDescribeResult(DescribePath(runtime, "/MyRoot/Ops/DropMeBaby", true),
                            {NLs::Finished});
 
-        TestRmDir(runtime, ++txId, "/MyRoot", "Ops", {NKikimrScheme::StatusNameConflict}); 
+        TestRmDir(runtime, ++txId, "/MyRoot", "Ops", {NKikimrScheme::StatusNameConflict});
 
         TestDropTable(runtime, ++txId, "/MyRoot/Ops", "DropMeBaby");
         env.TestWaitNotification(runtime, txId);
@@ -6445,7 +6445,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
         TestDescribeResult(DescribePath(runtime, "/MyRoot/Ops"),
                            {NLs::PathNotExist});
 
-        TestRmDir(runtime, ++txId, "/MyRoot", "Ops", {NKikimrScheme::StatusPathDoesNotExist}); 
+        TestRmDir(runtime, ++txId, "/MyRoot", "Ops", {NKikimrScheme::StatusPathDoesNotExist});
 
         env.TestWaitTabletDeletion(runtime, xrange(TTestTxConfig::FakeHiveTablets, TTestTxConfig::FakeHiveTablets+40));
     }
@@ -7252,7 +7252,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                            {NLs::Finished, NLs::PathsInsideDomain(1), NLs::ShardsInsideDomain(1)});
     }
 
-    Y_UNIT_TEST(AlterBlockStoreVolume) { //+ 
+    Y_UNIT_TEST(AlterBlockStoreVolume) { //+
         TTestBasicRuntime runtime;
         TTestEnv env(runtime, /* nchannels */ 6);
         ui64 txId = 100;
@@ -8674,105 +8674,105 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                            {NLs::Finished, NLs::PathsInsideDomain(0), NLs::ShardsInsideDomain(0)});
     }
 
-    void UpdateChannelsBindingSolomon(bool allow) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime, TTestEnvOptions().AllowUpdateChannelsBindingOfSolomonPartitions(allow)); 
-        ui64 txId = 100; 
- 
-        auto check = [&](const TString& path, ui64 shards, const TVector<THashMap<TString, ui32>>& expectedChannels) { 
+    void UpdateChannelsBindingSolomon(bool allow) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime, TTestEnvOptions().AllowUpdateChannelsBindingOfSolomonPartitions(allow));
+        ui64 txId = 100;
+
+        auto check = [&](const TString& path, ui64 shards, const TVector<THashMap<TString, ui32>>& expectedChannels) {
             NKikimrSchemeOp::TDescribeOptions opts;
-            opts.SetReturnChannelsBinding(true); 
- 
-            TestDescribeResult(DescribePath(runtime, path, opts), { 
-                NLs::Finished, 
-                NLs::ShardsInsideDomain(shards), 
+            opts.SetReturnChannelsBinding(true);
+
+            TestDescribeResult(DescribePath(runtime, path, opts), {
+                NLs::Finished,
+                NLs::ShardsInsideDomain(shards),
                 [&expectedChannels] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
-                    const auto& desc = record.GetPathDescription().GetSolomonDescription(); 
- 
-                    UNIT_ASSERT_VALUES_EQUAL(expectedChannels.size(), desc.PartitionsSize()); 
- 
-                    for (size_t i = 0; i < desc.PartitionsSize(); ++i) { 
-                        const auto& partition = desc.GetPartitions(i); 
- 
-                        THashMap<TString, ui32> channels; 
-                        for (const auto& channel : partition.GetBoundChannels()) { 
-                            auto it = channels.find(channel.GetStoragePoolName()); 
-                            if (it == channels.end()) { 
-                                it = channels.emplace(channel.GetStoragePoolName(), 0).first; 
-                            } 
-                            ++it->second; 
-                        } 
- 
-                        UNIT_ASSERT_VALUES_EQUAL(expectedChannels.at(i).size(), channels.size()); 
- 
-                        for (const auto& [name, count] : expectedChannels.at(i)) { 
-                            UNIT_ASSERT_C(channels.contains(name), "Cannot find channel: " << name); 
-                            UNIT_ASSERT_VALUES_EQUAL(channels.at(name), count); 
-                        } 
-                    } 
-                } 
-            }); 
-        }; 
- 
-        TestCreateSolomon(runtime, ++txId, "/MyRoot", R"( 
-            Name: "Solomon" 
-            PartitionCount: 1 
-            ChannelProfileId: 2 
-        )"); 
- 
-        env.TestWaitNotification(runtime, txId); 
-        check("/MyRoot/Solomon", 1, {{{"pool-1", 4}}}); 
- 
-        // case 1: empty alter 
-        TestAlterSolomon(runtime, ++txId, "/MyRoot", R"( 
-            Name: "Solomon" 
-            ChannelProfileId: 3 
+                    const auto& desc = record.GetPathDescription().GetSolomonDescription();
+
+                    UNIT_ASSERT_VALUES_EQUAL(expectedChannels.size(), desc.PartitionsSize());
+
+                    for (size_t i = 0; i < desc.PartitionsSize(); ++i) {
+                        const auto& partition = desc.GetPartitions(i);
+
+                        THashMap<TString, ui32> channels;
+                        for (const auto& channel : partition.GetBoundChannels()) {
+                            auto it = channels.find(channel.GetStoragePoolName());
+                            if (it == channels.end()) {
+                                it = channels.emplace(channel.GetStoragePoolName(), 0).first;
+                            }
+                            ++it->second;
+                        }
+
+                        UNIT_ASSERT_VALUES_EQUAL(expectedChannels.at(i).size(), channels.size());
+
+                        for (const auto& [name, count] : expectedChannels.at(i)) {
+                            UNIT_ASSERT_C(channels.contains(name), "Cannot find channel: " << name);
+                            UNIT_ASSERT_VALUES_EQUAL(channels.at(name), count);
+                        }
+                    }
+                }
+            });
+        };
+
+        TestCreateSolomon(runtime, ++txId, "/MyRoot", R"(
+            Name: "Solomon"
+            PartitionCount: 1
+            ChannelProfileId: 2
+        )");
+
+        env.TestWaitNotification(runtime, txId);
+        check("/MyRoot/Solomon", 1, {{{"pool-1", 4}}});
+
+        // case 1: empty alter
+        TestAlterSolomon(runtime, ++txId, "/MyRoot", R"(
+            Name: "Solomon"
+            ChannelProfileId: 3
         )", {NKikimrScheme::StatusInvalidParameter});
- 
-        // case 2: add partition, do not update channels binding 
-        TestAlterSolomon(runtime, ++txId, "/MyRoot", R"( 
-            Name: "Solomon" 
-            ChannelProfileId: 3 
-            PartitionCount: 2 
-        )"); 
- 
-        env.TestWaitNotification(runtime, txId); 
-        check("/MyRoot/Solomon", 2, {{{"pool-1", 4}}, {{"pool-2", 4}}}); 
- 
-        // case 3: just update channels binding 
-        TestAlterSolomon(runtime, ++txId, "/MyRoot", R"( 
-            Name: "Solomon" 
-            ChannelProfileId: 3 
-            UpdateChannelsBinding: true 
+
+        // case 2: add partition, do not update channels binding
+        TestAlterSolomon(runtime, ++txId, "/MyRoot", R"(
+            Name: "Solomon"
+            ChannelProfileId: 3
+            PartitionCount: 2
+        )");
+
+        env.TestWaitNotification(runtime, txId);
+        check("/MyRoot/Solomon", 2, {{{"pool-1", 4}}, {{"pool-2", 4}}});
+
+        // case 3: just update channels binding
+        TestAlterSolomon(runtime, ++txId, "/MyRoot", R"(
+            Name: "Solomon"
+            ChannelProfileId: 3
+            UpdateChannelsBinding: true
         )", {allow ? NKikimrScheme::StatusAccepted : NKikimrScheme::StatusPreconditionFailed});
- 
-        if (!allow) { 
-            return; 
-        } 
- 
-        env.TestWaitNotification(runtime, txId); 
-        check("/MyRoot/Solomon", 2, {{{"pool-2", 4}}, {{"pool-2", 4}}}); 
- 
-        // case 4: add partition & update channels binding 
-        TestAlterSolomon(runtime, ++txId, "/MyRoot", R"( 
-            Name: "Solomon" 
-            ChannelProfileId: 2 
-            PartitionCount: 3 
-            UpdateChannelsBinding: true 
-        )"); 
- 
-        env.TestWaitNotification(runtime, txId); 
-        check("/MyRoot/Solomon", 3, {{{"pool-1", 4}}, {{"pool-1", 4}}, {{"pool-1", 4}}}); 
-    } 
- 
-    Y_UNIT_TEST(UpdateChannelsBindingSolomonShouldNotUpdate) { 
-        UpdateChannelsBindingSolomon(false); 
-    } 
- 
-    Y_UNIT_TEST(UpdateChannelsBindingSolomonShouldUpdate) { 
-        UpdateChannelsBindingSolomon(true); 
-    } 
- 
+
+        if (!allow) {
+            return;
+        }
+
+        env.TestWaitNotification(runtime, txId);
+        check("/MyRoot/Solomon", 2, {{{"pool-2", 4}}, {{"pool-2", 4}}});
+
+        // case 4: add partition & update channels binding
+        TestAlterSolomon(runtime, ++txId, "/MyRoot", R"(
+            Name: "Solomon"
+            ChannelProfileId: 2
+            PartitionCount: 3
+            UpdateChannelsBinding: true
+        )");
+
+        env.TestWaitNotification(runtime, txId);
+        check("/MyRoot/Solomon", 3, {{{"pool-1", 4}}, {{"pool-1", 4}}, {{"pool-1", 4}}});
+    }
+
+    Y_UNIT_TEST(UpdateChannelsBindingSolomonShouldNotUpdate) {
+        UpdateChannelsBindingSolomon(false);
+    }
+
+    Y_UNIT_TEST(UpdateChannelsBindingSolomonShouldUpdate) {
+        UpdateChannelsBindingSolomon(true);
+    }
+
     Y_UNIT_TEST(RejectAlterSolomon) { //+
         TTestBasicRuntime runtime;
         TTestEnv env(runtime);
@@ -8927,7 +8927,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
         TestDescribeResult(DescribePath(runtime, "/MyRoot"),
                            {NLs::PathExist});
 
-        auto pathVer = TestDescribeResult(DescribePath(runtime, "/MyRoot/Table1"), 
+        auto pathVer = TestDescribeResult(DescribePath(runtime, "/MyRoot/Table1"),
                                           {NLs::PathExist,
                                            NLs::PathVersionEqual(3)});
 
@@ -8943,53 +8943,53 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                             NLs::PathsInsideDomain(0),
                             NLs::ShardsInsideDomainOneOf({0, 1})});
     }
- 
-    Y_UNIT_TEST(CreateWithIntermediateDirs) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime); 
-        ui64 txId = 123; 
- 
-        TestMkDir(runtime, ++txId, "/MyRoot", "DirA/DirB"); 
+
+    Y_UNIT_TEST(CreateWithIntermediateDirs) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime);
+        ui64 txId = 123;
+
+        TestMkDir(runtime, ++txId, "/MyRoot", "DirA/DirB");
         env.TestWaitNotification(runtime, txId);
         TestDescribeResult(DescribePath(runtime, "/MyRoot/DirA/DirB"),
                            {NLs::Finished});
- 
-        TestMkDir(runtime, ++txId, "/MyRoot/DirA", "DirB/DirC"); 
+
+        TestMkDir(runtime, ++txId, "/MyRoot/DirA", "DirB/DirC");
         env.TestWaitNotification(runtime, txId);
         TestDescribeResult(DescribePath(runtime, "/MyRoot/DirA/DirB/DirC"),
                            {NLs::Finished});
- 
-        TestCreateTable(runtime, ++txId, "/MyRoot", 
-            R"( Name: "Tables/Table1" 
-                Columns { Name: "RowId" Type: "Uint64" } 
-                KeyColumnNames: ["RowId"] 
-            )"); 
+
+        TestCreateTable(runtime, ++txId, "/MyRoot",
+            R"( Name: "Tables/Table1"
+                Columns { Name: "RowId" Type: "Uint64" }
+                KeyColumnNames: ["RowId"]
+            )");
         env.TestWaitNotification(runtime, txId);
         TestDescribeResult(DescribePath(runtime, "/MyRoot/Tables"),
                           {NLs::Finished});
         TestDescribeResult(DescribePath(runtime, "/MyRoot/Tables/Table1"),
                           {NLs::Finished,
                            NLs::IsTable});
- 
+
         TestCreatePQGroup(runtime, ++txId, "/MyRoot",
-            R"( Name: "PQ/Topic1" 
-                TotalGroupCount: 2 
-                PartitionPerTablet: 2 
-                PQTabletConfig: {PartitionConfig { LifetimeSeconds : 10}} 
-            )"); 
+            R"( Name: "PQ/Topic1"
+                TotalGroupCount: 2
+                PartitionPerTablet: 2
+                PQTabletConfig: {PartitionConfig { LifetimeSeconds : 10}}
+            )");
         env.TestWaitNotification(runtime, txId);
         TestDescribeResult(DescribePath(runtime, "/MyRoot/PQ"),
                            {NLs::Finished});
         TestDescribeResult(DescribePath(runtime, "/MyRoot/PQ/Topic1"),
                            {NLs::Finished});
- 
+
         TestMkDir(runtime, ++txId, "/MyRoot", "DirA/DirB", {NKikimrScheme::StatusAlreadyExists});
         TestMkDir(runtime, ++txId, "/MyRoot/DirC", "DirA/DirB", {NKikimrScheme::StatusPathDoesNotExist});
         TestMkDir(runtime, ++txId, "/MyRoot/DirA", "/DirD/DirE", {NKikimrScheme::StatusSchemeError});
         TestMkDir(runtime, ++txId, "/MyRoot/DirA", "DirD/DirE/", {NKikimrScheme::StatusSchemeError});
         TestMkDir(runtime, ++txId, "/MyRoot/Tables/Table1", "DirA/DirB", {NKikimrScheme::StatusPathIsNotDirectory});
- 
-        TestMkDir(runtime, ++txId, "/MyRoot", "x/y/z"); 
+
+        TestMkDir(runtime, ++txId, "/MyRoot", "x/y/z");
         env.TestWaitNotification(runtime, txId);
         TestDescribeResult(DescribePath(runtime, "/MyRoot/x/y/z"),
                            {NLs::Finished,
@@ -9001,27 +9001,27 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                            {NLs::Finished,
                             NLs::CreatedAt(txId)});
 
-        TestRmDir(runtime, ++txId, "/MyRoot/x/y", "z"); 
+        TestRmDir(runtime, ++txId, "/MyRoot/x/y", "z");
         env.TestWaitNotification(runtime, txId);
-        TestRmDir(runtime, ++txId, "/MyRoot/x", "y"); 
+        TestRmDir(runtime, ++txId, "/MyRoot/x", "y");
         env.TestWaitNotification(runtime, txId);
-        TestMkDir(runtime, ++txId, "/MyRoot", "x/y/z"); 
+        TestMkDir(runtime, ++txId, "/MyRoot", "x/y/z");
         env.TestWaitNotification(runtime, txId);
- 
-        TestRmDir(runtime, ++txId, "/MyRoot/x/y", "z"); 
+
+        TestRmDir(runtime, ++txId, "/MyRoot/x/y", "z");
         env.TestWaitNotification(runtime, txId);
-        TestMkDir(runtime, ++txId, "/MyRoot", "x/y/z"); 
+        TestMkDir(runtime, ++txId, "/MyRoot", "x/y/z");
         env.TestWaitNotification(runtime, txId);
- 
-        TestCreateTable(runtime, ++txId, "/MyRoot", 
-            R"( Name: "WrongTables/Table1" 
-                Columns { Name: "RowId" Type: "Uint64" } 
-                KeyColumnNames: ["WrongRowId"] 
+
+        TestCreateTable(runtime, ++txId, "/MyRoot",
+            R"( Name: "WrongTables/Table1"
+                Columns { Name: "RowId" Type: "Uint64" }
+                KeyColumnNames: ["WrongRowId"]
             )", {NKikimrScheme::StatusSchemeError});
 
         TestDescribeResult(DescribePath(runtime, "/MyRoot/WrongTables"),
                            {NLs::PathNotExist});
-    } 
+    }
 
     Y_UNIT_TEST(AlterTableAndAfterSplit) { //+
         TTestBasicRuntime runtime;
@@ -9349,17 +9349,17 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                         "Columns { Name: \"Key\" Type: \"Uint64\"} "
                         "Columns { Name: \"Value\" Type: \"Uint64\"} "
                         "KeyColumnNames: [\"Key\"]",
-                        {NKikimrScheme::StatusAccepted}, 
+                        {NKikimrScheme::StatusAccepted},
                         AlterUserAttrs({{"__document_api_version", "1"}}));
         env.TestWaitNotification(runtime, txId);
 
         // Changing document api version is not allowed
-        TestUserAttrs(runtime, ++txId, "/MyRoot", "Table", {NKikimrScheme::StatusInvalidParameter}, 
-            AlterUserAttrs({{"__document_api_version", "2"}}), { }); 
+        TestUserAttrs(runtime, ++txId, "/MyRoot", "Table", {NKikimrScheme::StatusInvalidParameter},
+            AlterUserAttrs({{"__document_api_version", "2"}}), { });
 
         // Removing document api version is not allowed
-        TestUserAttrs(runtime, ++txId, "/MyRoot", "Table", {NKikimrScheme::StatusInvalidParameter}, 
-            AlterUserAttrs({{"__document_api_version", ""}}), { }); 
+        TestUserAttrs(runtime, ++txId, "/MyRoot", "Table", {NKikimrScheme::StatusInvalidParameter},
+            AlterUserAttrs({{"__document_api_version", ""}}), { });
 
         // Create a new table without an attribute
         TestCreateTable(runtime, ++txId, "/MyRoot",
@@ -9370,8 +9370,8 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
         env.TestWaitNotification(runtime, txId);
 
         // Adding document api version is not allowed
-        TestUserAttrs(runtime, ++txId, "/MyRoot", "TableWoDocumentApi", {NKikimrScheme::StatusInvalidParameter}, 
-            AlterUserAttrs({{"__document_api_version", "1"}}), { }); 
+        TestUserAttrs(runtime, ++txId, "/MyRoot", "TableWoDocumentApi", {NKikimrScheme::StatusInvalidParameter},
+            AlterUserAttrs({{"__document_api_version", "1"}}), { });
 
         // Creating other objects (e.g. directories) with document api version is not allowed
         TestMkDir(runtime, ++txId, "/MyRoot", "DirA",
@@ -9734,10 +9734,10 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
         TestCopyTable(runtime, ++txId, "/MyRoot", "Copy1", "/MyRoot/Table1");
         env.TestWaitNotification(runtime, txId);
 
-        TestDropTableIndex(runtime, ++txId, "/MyRoot", R"( 
-            TableName: "Table1" 
-            IndexName: "Sync" 
-        )"); 
+        TestDropTableIndex(runtime, ++txId, "/MyRoot", R"(
+            TableName: "Table1"
+            IndexName: "Sync"
+        )");
         env.TestWaitNotification(runtime, txId);
 
         TestDescribeResult(DescribePath(runtime, "/MyRoot"),
@@ -9757,7 +9757,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
                             NLs::CheckColumns("Copy1", {"key", "value"}, {}, {"key"}),
                             NLs::IndexesCount(1)});
 
-        TestConsistentCopyTables(runtime, ++txId, "/", R"( 
+        TestConsistentCopyTables(runtime, ++txId, "/", R"(
                        CopyTableDescriptions {
                          SrcPath: "/MyRoot/Table1"
                          DstPath: "/MyRoot/Copy2"
@@ -9837,7 +9837,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardTest) {
 
             env.TestWaitNotification(runtime, 103);
 
-            TestConsistentCopyTables(runtime, ++txId, "/", R"( 
+            TestConsistentCopyTables(runtime, ++txId, "/", R"(
                            CopyTableDescriptions {
                              SrcPath: "/MyRoot/Table"
                              DstPath: "/MyRoot/copy"
diff --git a/ydb/core/tx/schemeshard/ut_base_reboots.cpp b/ydb/core/tx/schemeshard/ut_base_reboots.cpp
index b47546c8bd..05fef3170c 100644
--- a/ydb/core/tx/schemeshard/ut_base_reboots.cpp
+++ b/ydb/core/tx/schemeshard/ut_base_reboots.cpp
@@ -30,7 +30,7 @@ Y_UNIT_TEST_SUITE(TTablesWithReboots) {
 
             {
                 TInactiveZone inactive(activeZone);
-                TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true), 
+                TestDescribeResult(DescribePath(runtime, "/MyRoot/Table", true),
                                    {NLs::Finished,
                                     NLs::IsTable,
                                     NLs::PartitionCount(2)});
@@ -65,7 +65,7 @@ Y_UNIT_TEST_SUITE(TTablesWithReboots) {
                 TestDescribeResult(DescribePath(runtime, "/MyRoot"),
                                    {NLs::ChildrenCount(3)});
 
-                TestDescribeResult(DescribePath(runtime, "/MyRoot/NewTable", true), 
+                TestDescribeResult(DescribePath(runtime, "/MyRoot/NewTable", true),
                                    {NLs::Finished,
                                     NLs::IsTable,
                                     NLs::PartitionCount(2),
@@ -438,7 +438,7 @@ Y_UNIT_TEST_SUITE(TTablesWithReboots) {
 
             {
                 TInactiveZone inactive(activeZone);
-                TestDescribeResult(DescribePath(runtime, "MyRoot/Table", true), 
+                TestDescribeResult(DescribePath(runtime, "MyRoot/Table", true),
                                    {NLs::Finished,
                                     NLs::FreezeStateEqual(NKikimrSchemeOp::EFreezeState::Freeze)});
             }
@@ -451,7 +451,7 @@ Y_UNIT_TEST_SUITE(TTablesWithReboots) {
 
             {
                 TInactiveZone inactive(activeZone);
-                TestDescribeResult(DescribePath(runtime, "MyRoot/Table", true), 
+                TestDescribeResult(DescribePath(runtime, "MyRoot/Table", true),
                                    {NLs::Finished,
                                     NLs::FreezeStateEqual(NKikimrSchemeOp::EFreezeState::Unfreeze)});
             }
diff --git a/ydb/core/tx/schemeshard/ut_cdc_stream.cpp b/ydb/core/tx/schemeshard/ut_cdc_stream.cpp
index 6ba81be78e..5090fe7df6 100644
--- a/ydb/core/tx/schemeshard/ut_cdc_stream.cpp
+++ b/ydb/core/tx/schemeshard/ut_cdc_stream.cpp
@@ -1,335 +1,335 @@
 #include <ydb/core/tx/schemeshard/ut_helpers/helpers.h>
- 
-using namespace NKikimr; 
+
+using namespace NKikimr;
 using namespace NSchemeShard;
-using namespace NSchemeShardUT_Private; 
- 
-Y_UNIT_TEST_SUITE(TCdcStreamTests) { 
-    Y_UNIT_TEST(Basic) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime, TTestEnvOptions().EnableProtoSourceIdInfo(true)); 
-        ui64 txId = 100; 
- 
-        TestCreateTable(runtime, ++txId, "/MyRoot", R"( 
-            Name: "Table" 
-            Columns { Name: "key" Type: "Uint64" } 
-            Columns { Name: "value" Type: "Uint64" } 
-            KeyColumnNames: ["key"] 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        TestCreateCdcStream(runtime, ++txId, "/MyRoot", R"( 
-            TableName: "Table" 
-            StreamDescription { 
-              Name: "Stream" 
-              Mode: ECdcStreamModeKeysOnly 
-            } 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/Stream"), {NLs::PathExist}); 
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/Stream/streamImpl"), {NLs::PathExist}); 
- 
-        TestAlterCdcStream(runtime, ++txId, "/MyRoot", R"( 
-            TableName: "Table" 
-            StreamName: "Stream" 
-            Disable {} 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        TestDropCdcStream(runtime, ++txId, "/MyRoot", R"( 
-            TableName: "Table" 
-            StreamName: "Stream" 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/Stream"), {NLs::PathNotExist}); 
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/Stream/streamImpl"), {NLs::PathNotExist}); 
-    } 
- 
-    Y_UNIT_TEST(CreateStream) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime, TTestEnvOptions().EnableProtoSourceIdInfo(true)); 
-        ui64 txId = 100; 
- 
-        TestCreateCdcStream(runtime, ++txId, "/", R"( 
-            TableName: "MyRoot" 
-            StreamDescription { 
-              Name: "Stream" 
-              Mode: ECdcStreamModeKeysOnly 
-            } 
+using namespace NSchemeShardUT_Private;
+
+Y_UNIT_TEST_SUITE(TCdcStreamTests) {
+    Y_UNIT_TEST(Basic) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime, TTestEnvOptions().EnableProtoSourceIdInfo(true));
+        ui64 txId = 100;
+
+        TestCreateTable(runtime, ++txId, "/MyRoot", R"(
+            Name: "Table"
+            Columns { Name: "key" Type: "Uint64" }
+            Columns { Name: "value" Type: "Uint64" }
+            KeyColumnNames: ["key"]
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        TestCreateCdcStream(runtime, ++txId, "/MyRoot", R"(
+            TableName: "Table"
+            StreamDescription {
+              Name: "Stream"
+              Mode: ECdcStreamModeKeysOnly
+            }
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/Stream"), {NLs::PathExist});
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/Stream/streamImpl"), {NLs::PathExist});
+
+        TestAlterCdcStream(runtime, ++txId, "/MyRoot", R"(
+            TableName: "Table"
+            StreamName: "Stream"
+            Disable {}
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        TestDropCdcStream(runtime, ++txId, "/MyRoot", R"(
+            TableName: "Table"
+            StreamName: "Stream"
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/Stream"), {NLs::PathNotExist});
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/Stream/streamImpl"), {NLs::PathNotExist});
+    }
+
+    Y_UNIT_TEST(CreateStream) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime, TTestEnvOptions().EnableProtoSourceIdInfo(true));
+        ui64 txId = 100;
+
+        TestCreateCdcStream(runtime, ++txId, "/", R"(
+            TableName: "MyRoot"
+            StreamDescription {
+              Name: "Stream"
+              Mode: ECdcStreamModeKeysOnly
+            }
         )", {NKikimrScheme::StatusNameConflict});
- 
-        TestCreateCdcStream(runtime, ++txId, "/MyRoot", R"( 
-            TableName: "UnknownTable" 
-            StreamDescription { 
-              Name: "Stream" 
-              Mode: ECdcStreamModeKeysOnly 
-            } 
+
+        TestCreateCdcStream(runtime, ++txId, "/MyRoot", R"(
+            TableName: "UnknownTable"
+            StreamDescription {
+              Name: "Stream"
+              Mode: ECdcStreamModeKeysOnly
+            }
         )", {NKikimrScheme::StatusPathDoesNotExist});
- 
-        TestCreateIndexedTable(runtime, ++txId, "/MyRoot", R"( 
-            TableDescription { 
-              Name: "Table" 
-              Columns { Name: "key" Type: "Uint64" } 
-              Columns { Name: "indexed" Type: "Uint64" } 
-              KeyColumnNames: ["key"] 
-            } 
-            IndexDescription { 
-              Name: "Index" 
-              KeyColumnNames: ["indexed"] 
-            } 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        TestCreateCdcStream(runtime, ++txId, "/MyRoot", R"( 
-            TableName: "Table" 
-            StreamDescription { 
-              Name: "Index" 
-              Mode: ECdcStreamModeKeysOnly 
-            } 
+
+        TestCreateIndexedTable(runtime, ++txId, "/MyRoot", R"(
+            TableDescription {
+              Name: "Table"
+              Columns { Name: "key" Type: "Uint64" }
+              Columns { Name: "indexed" Type: "Uint64" }
+              KeyColumnNames: ["key"]
+            }
+            IndexDescription {
+              Name: "Index"
+              KeyColumnNames: ["indexed"]
+            }
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        TestCreateCdcStream(runtime, ++txId, "/MyRoot", R"(
+            TableName: "Table"
+            StreamDescription {
+              Name: "Index"
+              Mode: ECdcStreamModeKeysOnly
+            }
         )", {NKikimrScheme::StatusNameConflict});
- 
-        TestCreateCdcStream(runtime, ++txId, "/MyRoot/Table/Index", R"( 
-            TableName: "indexImplTable" 
-            StreamDescription { 
-              Name: "Stream" 
-              Mode: ECdcStreamModeKeysOnly 
-            } 
+
+        TestCreateCdcStream(runtime, ++txId, "/MyRoot/Table/Index", R"(
+            TableName: "indexImplTable"
+            StreamDescription {
+              Name: "Stream"
+              Mode: ECdcStreamModeKeysOnly
+            }
         )", {NKikimrScheme::StatusNameConflict});
- 
-        TestCreateCdcStream(runtime, ++txId, "/MyRoot", R"( 
-            TableName: "Table" 
-            StreamDescription { 
-              Name: "Stream" 
-            } 
+
+        TestCreateCdcStream(runtime, ++txId, "/MyRoot", R"(
+            TableName: "Table"
+            StreamDescription {
+              Name: "Stream"
+            }
         )", {NKikimrScheme::StatusInvalidParameter});
- 
-        TestCreateCdcStream(runtime, ++txId, "/MyRoot", R"( 
-            TableName: "Table" 
-            StreamDescription { 
-              Name: "Stream" 
-              Mode: ECdcStreamModeKeysOnly 
-            } 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        TestDropTable(runtime, ++txId, "/MyRoot", "Table"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        TestCreateCdcStream(runtime, ++txId, "/MyRoot", R"( 
-            TableName: "Table" 
-            StreamDescription { 
-              Name: "Stream" 
-              Mode: ECdcStreamModeKeysOnly 
-            } 
+
+        TestCreateCdcStream(runtime, ++txId, "/MyRoot", R"(
+            TableName: "Table"
+            StreamDescription {
+              Name: "Stream"
+              Mode: ECdcStreamModeKeysOnly
+            }
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        TestDropTable(runtime, ++txId, "/MyRoot", "Table");
+        env.TestWaitNotification(runtime, txId);
+
+        TestCreateCdcStream(runtime, ++txId, "/MyRoot", R"(
+            TableName: "Table"
+            StreamDescription {
+              Name: "Stream"
+              Mode: ECdcStreamModeKeysOnly
+            }
         )", {NKikimrScheme::StatusPathDoesNotExist});
-    } 
- 
-    Y_UNIT_TEST(AlterStream) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime, TTestEnvOptions().EnableProtoSourceIdInfo(true)); 
-        ui64 txId = 100; 
- 
-        TestAlterCdcStream(runtime, ++txId, "/", R"( 
-            TableName: "MyRoot" 
-            StreamName: "Stream" 
-            Disable {} 
+    }
+
+    Y_UNIT_TEST(AlterStream) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime, TTestEnvOptions().EnableProtoSourceIdInfo(true));
+        ui64 txId = 100;
+
+        TestAlterCdcStream(runtime, ++txId, "/", R"(
+            TableName: "MyRoot"
+            StreamName: "Stream"
+            Disable {}
         )", {NKikimrScheme::StatusNameConflict});
- 
-        TestAlterCdcStream(runtime, ++txId, "/MyRoot", R"( 
-            TableName: "UnknownTable" 
-            StreamName: "Stream" 
-            Disable {} 
+
+        TestAlterCdcStream(runtime, ++txId, "/MyRoot", R"(
+            TableName: "UnknownTable"
+            StreamName: "Stream"
+            Disable {}
         )", {NKikimrScheme::StatusPathDoesNotExist});
- 
-        TestCreateIndexedTable(runtime, ++txId, "/MyRoot", R"( 
-            TableDescription { 
-              Name: "Table" 
-              Columns { Name: "key" Type: "Uint64" } 
-              Columns { Name: "indexed" Type: "Uint64" } 
-              KeyColumnNames: ["key"] 
-            } 
-            IndexDescription { 
-              Name: "Index" 
-              KeyColumnNames: ["indexed"] 
-            } 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        TestAlterCdcStream(runtime, ++txId, "/MyRoot", R"( 
-            TableName: "Table" 
-            StreamName: "Index" 
-            Disable {} 
+
+        TestCreateIndexedTable(runtime, ++txId, "/MyRoot", R"(
+            TableDescription {
+              Name: "Table"
+              Columns { Name: "key" Type: "Uint64" }
+              Columns { Name: "indexed" Type: "Uint64" }
+              KeyColumnNames: ["key"]
+            }
+            IndexDescription {
+              Name: "Index"
+              KeyColumnNames: ["indexed"]
+            }
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        TestAlterCdcStream(runtime, ++txId, "/MyRoot", R"(
+            TableName: "Table"
+            StreamName: "Index"
+            Disable {}
         )", {NKikimrScheme::StatusNameConflict});
- 
-        TestCreateCdcStream(runtime, ++txId, "/MyRoot", R"( 
-            TableName: "Table" 
-            StreamDescription { 
-              Name: "Stream" 
-              Mode: ECdcStreamModeKeysOnly 
-            } 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        TestAlterCdcStream(runtime, ++txId, "/MyRoot", R"( 
-            TableName: "Table" 
-            StreamName: "Stream" 
+
+        TestCreateCdcStream(runtime, ++txId, "/MyRoot", R"(
+            TableName: "Table"
+            StreamDescription {
+              Name: "Stream"
+              Mode: ECdcStreamModeKeysOnly
+            }
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        TestAlterCdcStream(runtime, ++txId, "/MyRoot", R"(
+            TableName: "Table"
+            StreamName: "Stream"
         )", {NKikimrScheme::StatusInvalidParameter});
-    } 
- 
-    Y_UNIT_TEST(DropStream) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime, TTestEnvOptions().EnableProtoSourceIdInfo(true)); 
-        ui64 txId = 100; 
- 
-        TestDropCdcStream(runtime, ++txId, "/", R"( 
-            TableName: "MyRoot" 
-            StreamName: "Stream" 
-        )", {NKikimrScheme::StatusNameConflict}); 
-        TestDropCdcStream(runtime, ++txId, "/MyRoot", R"( 
-            TableName: "UnknownTable" 
-            StreamName: "Stream" 
-        )", {NKikimrScheme::StatusPathDoesNotExist}); 
- 
-        TestCreateIndexedTable(runtime, ++txId, "/MyRoot", R"( 
-            TableDescription { 
-              Name: "Table" 
-              Columns { Name: "key" Type: "Uint64" } 
-              Columns { Name: "indexed" Type: "Uint64" } 
-              KeyColumnNames: ["key"] 
-            } 
-            IndexDescription { 
-              Name: "Index" 
-              KeyColumnNames: ["indexed"] 
-            } 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        TestCreateCdcStream(runtime, ++txId, "/MyRoot", R"( 
-            TableName: "Table" 
-            StreamDescription { 
-              Name: "Stream" 
-              Mode: ECdcStreamModeKeysOnly 
-            } 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        TestDropCdcStream(runtime, ++txId, "/MyRoot", R"( 
-            TableName: "Table" 
-            StreamName: "Index" 
-        )", {NKikimrScheme::StatusNameConflict}); 
-        TestDropCdcStream(runtime, ++txId, "/MyRoot", R"( 
-            TableName: "Table" 
-            StreamName: "UnknownStream" 
-        )", {NKikimrScheme::StatusPathDoesNotExist}); 
- 
-        TestDropCdcStream(runtime, ++txId, "/MyRoot", R"( 
-            TableName: "Table" 
-            StreamName: "Stream" 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        TestDropCdcStream(runtime, ++txId, "/MyRoot", R"( 
-            TableName: "Table" 
-            StreamName: "Stream" 
-        )", {NKikimrScheme::StatusPathDoesNotExist}); 
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/Stream"), {NLs::PathNotExist}); 
- 
-        // drop table + index + stream 
-        TestCreateCdcStream(runtime, ++txId, "/MyRoot", R"( 
-            TableName: "Table" 
-            StreamDescription { 
-              Name: "Stream" 
-              Mode: ECdcStreamModeKeysOnly 
-            } 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        TestDropTable(runtime, ++txId, "/MyRoot", "Table"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table"), {NLs::PathNotExist}); 
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/Stream"), {NLs::PathNotExist}); 
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/Stream/streamImpl"), {NLs::PathNotExist}); 
- 
-        // drop table + stream 
-        TestCreateTable(runtime, ++txId, "/MyRoot", R"( 
-            Name: "Table" 
-            Columns { Name: "key" Type: "Uint64" } 
-            Columns { Name: "value" Type: "Uint64" } 
-            KeyColumnNames: ["key"] 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        TestCreateCdcStream(runtime, ++txId, "/MyRoot", R"( 
-            TableName: "Table" 
-            StreamDescription { 
-              Name: "Stream" 
-              Mode: ECdcStreamModeKeysOnly 
-            } 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        TestDropTable(runtime, ++txId, "/MyRoot", "Table"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table"), {NLs::PathNotExist}); 
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/Stream"), {NLs::PathNotExist}); 
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/Stream/streamImpl"), {NLs::PathNotExist}); 
-    } 
- 
-    Y_UNIT_TEST(AlterStreamImplShouldFail) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime, TTestEnvOptions().EnableProtoSourceIdInfo(true)); 
-        ui64 txId = 100; 
- 
-        TestCreateTable(runtime, ++txId, "/MyRoot", R"( 
-            Name: "Table" 
-            Columns { Name: "key" Type: "Uint64" } 
-            Columns { Name: "value" Type: "Uint64" } 
-            KeyColumnNames: ["key"] 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        TestCreateCdcStream(runtime, ++txId, "/MyRoot", R"( 
-            TableName: "Table" 
-            StreamDescription { 
-              Name: "Stream" 
-              Mode: ECdcStreamModeKeysOnly 
-            } 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        TestAlterPQGroup(runtime, ++txId, "/MyRoot/Table/Stream", R"( 
-            Name: "streamImpl" 
-            PQTabletConfig: { PartitionConfig { LifetimeSeconds: 3600 } } 
-        )", {NKikimrScheme::StatusNameConflict}); 
-    } 
- 
-    Y_UNIT_TEST(DropStreamImplShouldFail) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime, TTestEnvOptions().EnableProtoSourceIdInfo(true)); 
-        ui64 txId = 100; 
- 
-        TestCreateTable(runtime, ++txId, "/MyRoot", R"( 
-            Name: "Table" 
-            Columns { Name: "key" Type: "Uint64" } 
-            Columns { Name: "value" Type: "Uint64" } 
-            KeyColumnNames: ["key"] 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        TestCreateCdcStream(runtime, ++txId, "/MyRoot", R"( 
-            TableName: "Table" 
-            StreamDescription { 
-              Name: "Stream" 
-              Mode: ECdcStreamModeKeysOnly 
-            } 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        TestDropPQGroup(runtime, ++txId, "/MyRoot/Table/Stream", "streamImpl", {NKikimrScheme::StatusNameConflict}); 
-    } 
- 
-} // TCdcStreamTests 
+    }
+
+    Y_UNIT_TEST(DropStream) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime, TTestEnvOptions().EnableProtoSourceIdInfo(true));
+        ui64 txId = 100;
+
+        TestDropCdcStream(runtime, ++txId, "/", R"(
+            TableName: "MyRoot"
+            StreamName: "Stream"
+        )", {NKikimrScheme::StatusNameConflict});
+        TestDropCdcStream(runtime, ++txId, "/MyRoot", R"(
+            TableName: "UnknownTable"
+            StreamName: "Stream"
+        )", {NKikimrScheme::StatusPathDoesNotExist});
+
+        TestCreateIndexedTable(runtime, ++txId, "/MyRoot", R"(
+            TableDescription {
+              Name: "Table"
+              Columns { Name: "key" Type: "Uint64" }
+              Columns { Name: "indexed" Type: "Uint64" }
+              KeyColumnNames: ["key"]
+            }
+            IndexDescription {
+              Name: "Index"
+              KeyColumnNames: ["indexed"]
+            }
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        TestCreateCdcStream(runtime, ++txId, "/MyRoot", R"(
+            TableName: "Table"
+            StreamDescription {
+              Name: "Stream"
+              Mode: ECdcStreamModeKeysOnly
+            }
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        TestDropCdcStream(runtime, ++txId, "/MyRoot", R"(
+            TableName: "Table"
+            StreamName: "Index"
+        )", {NKikimrScheme::StatusNameConflict});
+        TestDropCdcStream(runtime, ++txId, "/MyRoot", R"(
+            TableName: "Table"
+            StreamName: "UnknownStream"
+        )", {NKikimrScheme::StatusPathDoesNotExist});
+
+        TestDropCdcStream(runtime, ++txId, "/MyRoot", R"(
+            TableName: "Table"
+            StreamName: "Stream"
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        TestDropCdcStream(runtime, ++txId, "/MyRoot", R"(
+            TableName: "Table"
+            StreamName: "Stream"
+        )", {NKikimrScheme::StatusPathDoesNotExist});
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/Stream"), {NLs::PathNotExist});
+
+        // drop table + index + stream
+        TestCreateCdcStream(runtime, ++txId, "/MyRoot", R"(
+            TableName: "Table"
+            StreamDescription {
+              Name: "Stream"
+              Mode: ECdcStreamModeKeysOnly
+            }
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        TestDropTable(runtime, ++txId, "/MyRoot", "Table");
+        env.TestWaitNotification(runtime, txId);
+
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table"), {NLs::PathNotExist});
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/Stream"), {NLs::PathNotExist});
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/Stream/streamImpl"), {NLs::PathNotExist});
+
+        // drop table + stream
+        TestCreateTable(runtime, ++txId, "/MyRoot", R"(
+            Name: "Table"
+            Columns { Name: "key" Type: "Uint64" }
+            Columns { Name: "value" Type: "Uint64" }
+            KeyColumnNames: ["key"]
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        TestCreateCdcStream(runtime, ++txId, "/MyRoot", R"(
+            TableName: "Table"
+            StreamDescription {
+              Name: "Stream"
+              Mode: ECdcStreamModeKeysOnly
+            }
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        TestDropTable(runtime, ++txId, "/MyRoot", "Table");
+        env.TestWaitNotification(runtime, txId);
+
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/Table"), {NLs::PathNotExist});
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/Stream"), {NLs::PathNotExist});
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/Stream/streamImpl"), {NLs::PathNotExist});
+    }
+
+    Y_UNIT_TEST(AlterStreamImplShouldFail) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime, TTestEnvOptions().EnableProtoSourceIdInfo(true));
+        ui64 txId = 100;
+
+        TestCreateTable(runtime, ++txId, "/MyRoot", R"(
+            Name: "Table"
+            Columns { Name: "key" Type: "Uint64" }
+            Columns { Name: "value" Type: "Uint64" }
+            KeyColumnNames: ["key"]
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        TestCreateCdcStream(runtime, ++txId, "/MyRoot", R"(
+            TableName: "Table"
+            StreamDescription {
+              Name: "Stream"
+              Mode: ECdcStreamModeKeysOnly
+            }
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        TestAlterPQGroup(runtime, ++txId, "/MyRoot/Table/Stream", R"(
+            Name: "streamImpl"
+            PQTabletConfig: { PartitionConfig { LifetimeSeconds: 3600 } }
+        )", {NKikimrScheme::StatusNameConflict});
+    }
+
+    Y_UNIT_TEST(DropStreamImplShouldFail) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime, TTestEnvOptions().EnableProtoSourceIdInfo(true));
+        ui64 txId = 100;
+
+        TestCreateTable(runtime, ++txId, "/MyRoot", R"(
+            Name: "Table"
+            Columns { Name: "key" Type: "Uint64" }
+            Columns { Name: "value" Type: "Uint64" }
+            KeyColumnNames: ["key"]
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        TestCreateCdcStream(runtime, ++txId, "/MyRoot", R"(
+            TableName: "Table"
+            StreamDescription {
+              Name: "Stream"
+              Mode: ECdcStreamModeKeysOnly
+            }
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        TestDropPQGroup(runtime, ++txId, "/MyRoot/Table/Stream", "streamImpl", {NKikimrScheme::StatusNameConflict});
+    }
+
+} // TCdcStreamTests
diff --git a/ydb/core/tx/schemeshard/ut_cdc_stream/ya.make b/ydb/core/tx/schemeshard/ut_cdc_stream/ya.make
index ea9d3738b4..770e485be1 100644
--- a/ydb/core/tx/schemeshard/ut_cdc_stream/ya.make
+++ b/ydb/core/tx/schemeshard/ut_cdc_stream/ya.make
@@ -1,34 +1,34 @@
 UNITTEST_FOR(ydb/core/tx/schemeshard)
- 
-OWNER( 
-    ilnaz 
-    g:kikimr 
-) 
- 
-FORK_SUBTESTS() 
-
-SPLIT_FACTOR(2) 
- 
-IF (SANITIZER_TYPE OR WITH_VALGRIND) 
-    TIMEOUT(3600) 
-    SIZE(LARGE) 
-    TAG(ya:fat) 
-ELSE() 
-    TIMEOUT(600) 
-    SIZE(MEDIUM) 
-ENDIF() 
- 
-PEERDIR( 
+
+OWNER(
+    ilnaz
+    g:kikimr
+)
+
+FORK_SUBTESTS()
+
+SPLIT_FACTOR(2)
+
+IF (SANITIZER_TYPE OR WITH_VALGRIND)
+    TIMEOUT(3600)
+    SIZE(LARGE)
+    TAG(ya:fat)
+ELSE()
+    TIMEOUT(600)
+    SIZE(MEDIUM)
+ENDIF()
+
+PEERDIR(
     ydb/core/testlib
     ydb/core/tx/schemeshard/ut_helpers
-) 
- 
-SRCS( 
-    ut_cdc_stream.cpp 
-) 
- 
+)
+
+SRCS(
+    ut_cdc_stream.cpp
+)
+
 YQL_LAST_ABI_VERSION()
- 
+
 REQUIREMENTS(ram:11)
 
-END() 
+END()
diff --git a/ydb/core/tx/schemeshard/ut_cdc_stream_reboots.cpp b/ydb/core/tx/schemeshard/ut_cdc_stream_reboots.cpp
index 595b3b9841..376544ace8 100644
--- a/ydb/core/tx/schemeshard/ut_cdc_stream_reboots.cpp
+++ b/ydb/core/tx/schemeshard/ut_cdc_stream_reboots.cpp
@@ -1,165 +1,165 @@
-#include <ydb/core/tx/schemeshard/ut_helpers/helpers.h> 
- 
-using namespace NSchemeShardUT_Private; 
- 
-Y_UNIT_TEST_SUITE(TCdcStreamWithRebootsTests) { 
-    Y_UNIT_TEST(CreateStream) { 
-        TTestWithReboots t; 
-        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) { 
-            { 
-                TInactiveZone inactive(activeZone); 
-                TestCreateTable(runtime, ++t.TxId, "/MyRoot", R"( 
-                    Name: "Table" 
-                    Columns { Name: "key" Type: "Uint64" } 
-                    Columns { Name: "value" Type: "Uint64" } 
-                    KeyColumnNames: ["key"] 
-                )"); 
-                t.TestEnv->TestWaitNotification(runtime, t.TxId); 
-            } 
- 
-            TestCreateCdcStream(runtime, ++t.TxId, "/MyRoot", R"( 
-                TableName: "Table" 
-                StreamDescription { 
-                  Name: "Stream" 
-                  Mode: ECdcStreamModeKeysOnly 
-                } 
-            )"); 
-            t.TestEnv->TestWaitNotification(runtime, t.TxId); 
- 
-            TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/Stream"), {NLs::PathExist}); 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(AlterStream) { 
-        TTestWithReboots t; 
-        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) { 
-            { 
-                TInactiveZone inactive(activeZone); 
-                TestCreateTable(runtime, ++t.TxId, "/MyRoot", R"( 
-                    Name: "Table" 
-                    Columns { Name: "key" Type: "Uint64" } 
-                    Columns { Name: "value" Type: "Uint64" } 
-                    KeyColumnNames: ["key"] 
-                )"); 
-                t.TestEnv->TestWaitNotification(runtime, t.TxId); 
- 
-                TestCreateCdcStream(runtime, ++t.TxId, "/MyRoot", R"( 
-                    TableName: "Table" 
-                    StreamDescription { 
-                      Name: "Stream" 
-                      Mode: ECdcStreamModeKeysOnly 
-                    } 
-                )"); 
-                t.TestEnv->TestWaitNotification(runtime, t.TxId); 
-            } 
- 
-            auto request = AlterCdcStreamRequest(++t.TxId, "/MyRoot", R"( 
-                TableName: "Table" 
-                StreamName: "Stream" 
-                Disable {} 
-            )"); 
-            t.TestEnv->ReliablePropose(runtime, request, { 
-                NKikimrScheme::StatusAccepted, 
-                NKikimrScheme::StatusMultipleModifications, 
-            }); 
-            t.TestEnv->TestWaitNotification(runtime, t.TxId); 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(DropStream) { 
-        TTestWithReboots t; 
-        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) { 
-            { 
-                TInactiveZone inactive(activeZone); 
-                TestCreateTable(runtime, ++t.TxId, "/MyRoot", R"( 
-                    Name: "Table" 
-                    Columns { Name: "key" Type: "Uint64" } 
-                    Columns { Name: "value" Type: "Uint64" } 
-                    KeyColumnNames: ["key"] 
-                )"); 
-                t.TestEnv->TestWaitNotification(runtime, t.TxId); 
- 
-                TestCreateCdcStream(runtime, ++t.TxId, "/MyRoot", R"( 
-                    TableName: "Table" 
-                    StreamDescription { 
-                      Name: "Stream" 
-                      Mode: ECdcStreamModeKeysOnly 
-                    } 
-                )"); 
-                t.TestEnv->TestWaitNotification(runtime, t.TxId); 
-            } 
- 
-            TestDropCdcStream(runtime, ++t.TxId, "/MyRoot", R"( 
-                TableName: "Table" 
-                StreamName: "Stream" 
-            )"); 
-            t.TestEnv->TestWaitNotification(runtime, t.TxId); 
- 
-            TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/Stream"), {NLs::PathNotExist}); 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(CreateDropRecreate) { 
-        TTestWithReboots t; 
-        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) { 
-            { 
-                TInactiveZone inactive(activeZone); 
-                TestCreateTable(runtime, ++t.TxId, "/MyRoot", R"( 
-                    Name: "Table" 
-                    Columns { Name: "key" Type: "Uint64" } 
-                    Columns { Name: "value" Type: "Uint64" } 
-                    KeyColumnNames: ["key"] 
-                )"); 
-                t.TestEnv->TestWaitNotification(runtime, t.TxId); 
-            } 
- 
-            { 
-                auto request = CreateCdcStreamRequest(++t.TxId, "/MyRoot", R"( 
-                    TableName: "Table" 
-                    StreamDescription { 
-                      Name: "Stream" 
-                      Mode: ECdcStreamModeKeysOnly 
-                    } 
-                )"); 
-                t.TestEnv->ReliablePropose(runtime, request, { 
-                    NKikimrScheme::StatusAccepted, 
-                    NKikimrScheme::StatusAlreadyExists, 
-                    NKikimrScheme::StatusMultipleModifications, 
-                }); 
-            } 
-            t.TestEnv->TestWaitNotification(runtime, t.TxId); 
-            TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/Stream"), {NLs::PathExist}); 
- 
-            { 
-                auto request = DropCdcStreamRequest(++t.TxId, "/MyRoot", R"( 
-                    TableName: "Table" 
-                    StreamName: "Stream" 
-                )"); 
-                t.TestEnv->ReliablePropose(runtime, request, { 
-                    NKikimrScheme::StatusAccepted, 
-                    NKikimrScheme::StatusMultipleModifications, 
-                }); 
-            } 
-            t.TestEnv->TestWaitNotification(runtime, t.TxId); 
-            TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/Stream"), {NLs::PathNotExist}); 
- 
-            { 
-                auto request = CreateCdcStreamRequest(++t.TxId, "/MyRoot", R"( 
-                    TableName: "Table" 
-                    StreamDescription { 
-                      Name: "Stream" 
-                      Mode: ECdcStreamModeKeysOnly 
-                    } 
-                )"); 
-                t.TestEnv->ReliablePropose(runtime, request, { 
-                    NKikimrScheme::StatusAccepted, 
-                    NKikimrScheme::StatusAlreadyExists, 
-                    NKikimrScheme::StatusMultipleModifications, 
-                }); 
-            } 
-            t.TestEnv->TestWaitNotification(runtime, t.TxId); 
-            TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/Stream"), {NLs::PathExist}); 
-        }); 
-    } 
- 
-} // TCdcStreamWithRebootsTests 
+#include <ydb/core/tx/schemeshard/ut_helpers/helpers.h>
+
+using namespace NSchemeShardUT_Private;
+
+Y_UNIT_TEST_SUITE(TCdcStreamWithRebootsTests) {
+    Y_UNIT_TEST(CreateStream) {
+        TTestWithReboots t;
+        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) {
+            {
+                TInactiveZone inactive(activeZone);
+                TestCreateTable(runtime, ++t.TxId, "/MyRoot", R"(
+                    Name: "Table"
+                    Columns { Name: "key" Type: "Uint64" }
+                    Columns { Name: "value" Type: "Uint64" }
+                    KeyColumnNames: ["key"]
+                )");
+                t.TestEnv->TestWaitNotification(runtime, t.TxId);
+            }
+
+            TestCreateCdcStream(runtime, ++t.TxId, "/MyRoot", R"(
+                TableName: "Table"
+                StreamDescription {
+                  Name: "Stream"
+                  Mode: ECdcStreamModeKeysOnly
+                }
+            )");
+            t.TestEnv->TestWaitNotification(runtime, t.TxId);
+
+            TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/Stream"), {NLs::PathExist});
+        });
+    }
+
+    Y_UNIT_TEST(AlterStream) {
+        TTestWithReboots t;
+        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) {
+            {
+                TInactiveZone inactive(activeZone);
+                TestCreateTable(runtime, ++t.TxId, "/MyRoot", R"(
+                    Name: "Table"
+                    Columns { Name: "key" Type: "Uint64" }
+                    Columns { Name: "value" Type: "Uint64" }
+                    KeyColumnNames: ["key"]
+                )");
+                t.TestEnv->TestWaitNotification(runtime, t.TxId);
+
+                TestCreateCdcStream(runtime, ++t.TxId, "/MyRoot", R"(
+                    TableName: "Table"
+                    StreamDescription {
+                      Name: "Stream"
+                      Mode: ECdcStreamModeKeysOnly
+                    }
+                )");
+                t.TestEnv->TestWaitNotification(runtime, t.TxId);
+            }
+
+            auto request = AlterCdcStreamRequest(++t.TxId, "/MyRoot", R"(
+                TableName: "Table"
+                StreamName: "Stream"
+                Disable {}
+            )");
+            t.TestEnv->ReliablePropose(runtime, request, {
+                NKikimrScheme::StatusAccepted,
+                NKikimrScheme::StatusMultipleModifications,
+            });
+            t.TestEnv->TestWaitNotification(runtime, t.TxId);
+        });
+    }
+
+    Y_UNIT_TEST(DropStream) {
+        TTestWithReboots t;
+        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) {
+            {
+                TInactiveZone inactive(activeZone);
+                TestCreateTable(runtime, ++t.TxId, "/MyRoot", R"(
+                    Name: "Table"
+                    Columns { Name: "key" Type: "Uint64" }
+                    Columns { Name: "value" Type: "Uint64" }
+                    KeyColumnNames: ["key"]
+                )");
+                t.TestEnv->TestWaitNotification(runtime, t.TxId);
+
+                TestCreateCdcStream(runtime, ++t.TxId, "/MyRoot", R"(
+                    TableName: "Table"
+                    StreamDescription {
+                      Name: "Stream"
+                      Mode: ECdcStreamModeKeysOnly
+                    }
+                )");
+                t.TestEnv->TestWaitNotification(runtime, t.TxId);
+            }
+
+            TestDropCdcStream(runtime, ++t.TxId, "/MyRoot", R"(
+                TableName: "Table"
+                StreamName: "Stream"
+            )");
+            t.TestEnv->TestWaitNotification(runtime, t.TxId);
+
+            TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/Stream"), {NLs::PathNotExist});
+        });
+    }
+
+    Y_UNIT_TEST(CreateDropRecreate) {
+        TTestWithReboots t;
+        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) {
+            {
+                TInactiveZone inactive(activeZone);
+                TestCreateTable(runtime, ++t.TxId, "/MyRoot", R"(
+                    Name: "Table"
+                    Columns { Name: "key" Type: "Uint64" }
+                    Columns { Name: "value" Type: "Uint64" }
+                    KeyColumnNames: ["key"]
+                )");
+                t.TestEnv->TestWaitNotification(runtime, t.TxId);
+            }
+
+            {
+                auto request = CreateCdcStreamRequest(++t.TxId, "/MyRoot", R"(
+                    TableName: "Table"
+                    StreamDescription {
+                      Name: "Stream"
+                      Mode: ECdcStreamModeKeysOnly
+                    }
+                )");
+                t.TestEnv->ReliablePropose(runtime, request, {
+                    NKikimrScheme::StatusAccepted,
+                    NKikimrScheme::StatusAlreadyExists,
+                    NKikimrScheme::StatusMultipleModifications,
+                });
+            }
+            t.TestEnv->TestWaitNotification(runtime, t.TxId);
+            TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/Stream"), {NLs::PathExist});
+
+            {
+                auto request = DropCdcStreamRequest(++t.TxId, "/MyRoot", R"(
+                    TableName: "Table"
+                    StreamName: "Stream"
+                )");
+                t.TestEnv->ReliablePropose(runtime, request, {
+                    NKikimrScheme::StatusAccepted,
+                    NKikimrScheme::StatusMultipleModifications,
+                });
+            }
+            t.TestEnv->TestWaitNotification(runtime, t.TxId);
+            TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/Stream"), {NLs::PathNotExist});
+
+            {
+                auto request = CreateCdcStreamRequest(++t.TxId, "/MyRoot", R"(
+                    TableName: "Table"
+                    StreamDescription {
+                      Name: "Stream"
+                      Mode: ECdcStreamModeKeysOnly
+                    }
+                )");
+                t.TestEnv->ReliablePropose(runtime, request, {
+                    NKikimrScheme::StatusAccepted,
+                    NKikimrScheme::StatusAlreadyExists,
+                    NKikimrScheme::StatusMultipleModifications,
+                });
+            }
+            t.TestEnv->TestWaitNotification(runtime, t.TxId);
+            TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/Stream"), {NLs::PathExist});
+        });
+    }
+
+} // TCdcStreamWithRebootsTests
diff --git a/ydb/core/tx/schemeshard/ut_cdc_stream_reboots/ya.make b/ydb/core/tx/schemeshard/ut_cdc_stream_reboots/ya.make
index 4eaab7ac7d..c507ee5e62 100644
--- a/ydb/core/tx/schemeshard/ut_cdc_stream_reboots/ya.make
+++ b/ydb/core/tx/schemeshard/ut_cdc_stream_reboots/ya.make
@@ -1,31 +1,31 @@
-UNITTEST_FOR(ydb/core/tx/schemeshard) 
- 
-OWNER( 
-    ilnaz 
-    g:kikimr 
-) 
- 
-FORK_SUBTESTS() 
- 
-SPLIT_FACTOR(2) 
- 
-IF (SANITIZER_TYPE OR WITH_VALGRIND) 
-    TIMEOUT(3600) 
-    SIZE(LARGE) 
-    TAG(ya:fat) 
-ELSE() 
-    TIMEOUT(600) 
-    SIZE(MEDIUM) 
-ENDIF() 
- 
-PEERDIR( 
-    ydb/core/tx/schemeshard/ut_helpers 
-) 
- 
-SRCS( 
-    ut_cdc_stream_reboots.cpp 
-) 
- 
-YQL_LAST_ABI_VERSION() 
- 
-END() 
+UNITTEST_FOR(ydb/core/tx/schemeshard)
+
+OWNER(
+    ilnaz
+    g:kikimr
+)
+
+FORK_SUBTESTS()
+
+SPLIT_FACTOR(2)
+
+IF (SANITIZER_TYPE OR WITH_VALGRIND)
+    TIMEOUT(3600)
+    SIZE(LARGE)
+    TAG(ya:fat)
+ELSE()
+    TIMEOUT(600)
+    SIZE(MEDIUM)
+ENDIF()
+
+PEERDIR(
+    ydb/core/tx/schemeshard/ut_helpers
+)
+
+SRCS(
+    ut_cdc_stream_reboots.cpp
+)
+
+YQL_LAST_ABI_VERSION()
+
+END()
diff --git a/ydb/core/tx/schemeshard/ut_compaction.cpp b/ydb/core/tx/schemeshard/ut_compaction.cpp
index c30174e9eb..59f8de8709 100644
--- a/ydb/core/tx/schemeshard/ut_compaction.cpp
+++ b/ydb/core/tx/schemeshard/ut_compaction.cpp
@@ -70,8 +70,8 @@ void DisableBackgroundCompactionViaRestart(
     ui64 schemeShard)
 {
     // turn on background compaction and restart to apply
-    runtime.GetAppData().FeatureFlags.SetEnableBackgroundCompactionForTest(false); 
-    runtime.GetAppData().FeatureFlags.SetEnableBackgroundCompactionServerlessForTest(false); 
+    runtime.GetAppData().FeatureFlags.SetEnableBackgroundCompactionForTest(false);
+    runtime.GetAppData().FeatureFlags.SetEnableBackgroundCompactionServerlessForTest(false);
 
     // little hack to simplify life
     auto& compactionConfig = runtime.GetAppData().CompactionConfig;
@@ -88,8 +88,8 @@ void EnableBackgroundCompactionViaRestart(
     bool enableServerless)
 {
     // turn on background compaction and restart to apply
-    runtime.GetAppData().FeatureFlags.SetEnableBackgroundCompactionForTest(true); 
-    runtime.GetAppData().FeatureFlags.SetEnableBackgroundCompactionServerlessForTest(enableServerless); 
+    runtime.GetAppData().FeatureFlags.SetEnableBackgroundCompactionForTest(true);
+    runtime.GetAppData().FeatureFlags.SetEnableBackgroundCompactionServerlessForTest(enableServerless);
 
     // little hack to simplify life
     auto& compactionConfig = runtime.GetAppData().CompactionConfig;
@@ -161,7 +161,7 @@ void CheckNoCompactions(
     ui64 schemeshardId,
     const TString& path)
 {
-    auto description = DescribePrivatePath(runtime, schemeshardId, path, true, true); 
+    auto description = DescribePrivatePath(runtime, schemeshardId, path, true, true);
     TVector<ui64> shards;
     for (auto &part : description.GetPathDescription().GetTablePartitions())
         shards.push_back(part.GetDatashardId());
@@ -212,7 +212,7 @@ void TestBackgroundCompaction(
 
     enableBackgroundCompactionFunc(runtime, env);
 
-    auto description = DescribePrivatePath(runtime, "/MyRoot/Simple", true, true); 
+    auto description = DescribePrivatePath(runtime, "/MyRoot/Simple", true, true);
     TVector<ui64> shards;
     for (auto &part : description.GetPathDescription().GetTablePartitions())
         shards.push_back(part.GetDatashardId());
@@ -308,7 +308,7 @@ ui64 TestServerless(
     // turn on background compaction
     EnableBackgroundCompactionViaRestart(runtime, env, schemeshardId, enableServerless);
 
-    auto description = DescribePrivatePath(runtime, schemeshardId, "/MyRoot/User/Simple", true, true); 
+    auto description = DescribePrivatePath(runtime, schemeshardId, "/MyRoot/User/Simple", true, true);
     TVector<ui64> shards;
     for (auto &part : description.GetPathDescription().GetTablePartitions())
         shards.push_back(part.GetDatashardId());
diff --git a/ydb/core/tx/schemeshard/ut_export.cpp b/ydb/core/tx/schemeshard/ut_export.cpp
index eaf2347f2d..20c5353bef 100644
--- a/ydb/core/tx/schemeshard/ut_export.cpp
+++ b/ydb/core/tx/schemeshard/ut_export.cpp
@@ -5,19 +5,19 @@
 #include <ydb/core/wrappers/s3_wrapper.h>
 #include <ydb/core/metering/metering.h>
 
-#include <util/string/builder.h> 
-#include <util/string/cast.h> 
+#include <util/string/builder.h>
+#include <util/string/cast.h>
 #include <util/string/printf.h>
 #include <util/system/env.h>
 
 using namespace NSchemeShardUT_Private;
 using namespace NKikimr::NWrappers::NTestHelpers;
 
-namespace { 
+namespace {
 
     void Run(TTestBasicRuntime& runtime, TTestEnv& env, const TVector<TString>& tables, const TString& request,
             Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS,
-            const TString& dbName = "/MyRoot", bool serverless = false, const TString& userSID = "") { 
+            const TString& dbName = "/MyRoot", bool serverless = false, const TString& userSID = "") {
 
         ui64 txId = 100;
 
@@ -55,10 +55,10 @@ namespace {
 
                 TestCreateExtSubDomain(runtime, ++txId, "/MyRoot", Sprintf(R"(
                     Name: "%s"
-                    ResourcesDomainKey { 
-                        SchemeShard: %lu 
-                        PathId: 2 
-                    } 
+                    ResourcesDomainKey {
+                        SchemeShard: %lu
+                        PathId: 2
+                    }
                 )", TStringBuf(dbName).RNextTok('/').data(), TTestTxConfig::SchemeShard), attrs);
                 env.TestWaitNotification(runtime, txId);
 
@@ -78,7 +78,7 @@ namespace {
                       Name: "name_User_kind_hdd-2"
                       Kind: "external"
                     }
-                )", TStringBuf(dbName).RNextTok('/').data())); 
+                )", TStringBuf(dbName).RNextTok('/').data()));
                 env.TestWaitNotification(runtime, txId);
             }
 
@@ -96,7 +96,7 @@ namespace {
         runtime.SetLogPriority(NKikimrServices::DATASHARD_BACKUP, NActors::NLog::PRI_TRACE);
         runtime.SetLogPriority(NKikimrServices::EXPORT, NActors::NLog::PRI_TRACE);
 
-        TestExport(runtime, schemeshardId, ++txId, dbName, request, userSID); 
+        TestExport(runtime, schemeshardId, ++txId, dbName, request, userSID);
         env.TestWaitNotification(runtime, txId, schemeshardId);
 
         const ui64 exportId = txId;
@@ -108,172 +108,172 @@ namespace {
         TestGetExport(runtime, schemeshardId, exportId, dbName, Ydb::StatusIds::NOT_FOUND);
     }
 
-    using TDelayFunc = std::function<bool(TAutoPtr<IEventHandle>&)>; 
- 
-    void Cancel(const TVector<TString>& tables, const TString& request, TDelayFunc delayFunc) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime); 
-        ui64 txId = 100; 
- 
-        for (const auto& table : tables) { 
-            TestCreateTable(runtime, ++txId, "/MyRoot", table); 
-            env.TestWaitNotification(runtime, txId); 
-        } 
- 
-        runtime.SetLogPriority(NKikimrServices::DATASHARD_BACKUP, NActors::NLog::PRI_TRACE); 
-        runtime.SetLogPriority(NKikimrServices::EXPORT, NActors::NLog::PRI_TRACE); 
- 
-        THolder<IEventHandle> delayed; 
-        auto prevObserver = runtime.SetObserverFunc([&](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) { 
-            if (delayFunc(ev)) { 
-                delayed.Reset(ev.Release()); 
-                return TTestActorRuntime::EEventAction::DROP; 
-            } 
-            return TTestActorRuntime::EEventAction::PROCESS; 
-        }); 
- 
-        TestExport(runtime, ++txId, "/MyRoot", request); 
-        const ui64 exportId = txId; 
- 
-        if (!delayed) { 
-            TDispatchOptions opts; 
-            opts.FinalEvents.emplace_back([&delayed](IEventHandle&) -> bool { 
-                return bool(delayed); 
-            }); 
-            runtime.DispatchEvents(opts); 
-        } 
- 
-        runtime.SetObserverFunc(prevObserver); 
- 
-        TestCancelExport(runtime, ++txId, "/MyRoot", exportId); 
-        runtime.Send(delayed.Release(), 0, true); 
-        env.TestWaitNotification(runtime, exportId); 
- 
-        TestGetExport(runtime, exportId, "/MyRoot", Ydb::StatusIds::CANCELLED); 
- 
-        TestForgetExport(runtime, ++txId, "/MyRoot", exportId); 
-        env.TestWaitNotification(runtime, exportId); 
- 
-        TestGetExport(runtime, exportId, "/MyRoot", Ydb::StatusIds::NOT_FOUND); 
-    } 
- 
-} // anonymous 
- 
-Y_UNIT_TEST_SUITE(TExportToS3Tests) { 
-    void RunS3(TTestBasicRuntime& runtime, const TVector<TString>& tables, const TString& request) { 
-        TPortManager portManager; 
-        const ui16 port = portManager.GetPort(); 
-
-        TS3Mock s3Mock({}, TS3Mock::TSettings(port)); 
-        UNIT_ASSERT(s3Mock.Start()); 
-
-        TTestEnv env(runtime); 
-        Run(runtime, env, tables, Sprintf(request.c_str(), port), Ydb::StatusIds::SUCCESS, "/MyRoot", false); 
+    using TDelayFunc = std::function<bool(TAutoPtr<IEventHandle>&)>;
+
+    void Cancel(const TVector<TString>& tables, const TString& request, TDelayFunc delayFunc) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime);
+        ui64 txId = 100;
+
+        for (const auto& table : tables) {
+            TestCreateTable(runtime, ++txId, "/MyRoot", table);
+            env.TestWaitNotification(runtime, txId);
+        }
+
+        runtime.SetLogPriority(NKikimrServices::DATASHARD_BACKUP, NActors::NLog::PRI_TRACE);
+        runtime.SetLogPriority(NKikimrServices::EXPORT, NActors::NLog::PRI_TRACE);
+
+        THolder<IEventHandle> delayed;
+        auto prevObserver = runtime.SetObserverFunc([&](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) {
+            if (delayFunc(ev)) {
+                delayed.Reset(ev.Release());
+                return TTestActorRuntime::EEventAction::DROP;
+            }
+            return TTestActorRuntime::EEventAction::PROCESS;
+        });
+
+        TestExport(runtime, ++txId, "/MyRoot", request);
+        const ui64 exportId = txId;
+
+        if (!delayed) {
+            TDispatchOptions opts;
+            opts.FinalEvents.emplace_back([&delayed](IEventHandle&) -> bool {
+                return bool(delayed);
+            });
+            runtime.DispatchEvents(opts);
+        }
+
+        runtime.SetObserverFunc(prevObserver);
+
+        TestCancelExport(runtime, ++txId, "/MyRoot", exportId);
+        runtime.Send(delayed.Release(), 0, true);
+        env.TestWaitNotification(runtime, exportId);
+
+        TestGetExport(runtime, exportId, "/MyRoot", Ydb::StatusIds::CANCELLED);
+
+        TestForgetExport(runtime, ++txId, "/MyRoot", exportId);
+        env.TestWaitNotification(runtime, exportId);
+
+        TestGetExport(runtime, exportId, "/MyRoot", Ydb::StatusIds::NOT_FOUND);
+    }
+
+} // anonymous
+
+Y_UNIT_TEST_SUITE(TExportToS3Tests) {
+    void RunS3(TTestBasicRuntime& runtime, const TVector<TString>& tables, const TString& request) {
+        TPortManager portManager;
+        const ui16 port = portManager.GetPort();
+
+        TS3Mock s3Mock({}, TS3Mock::TSettings(port));
+        UNIT_ASSERT(s3Mock.Start());
+
+        TTestEnv env(runtime);
+        Run(runtime, env, tables, Sprintf(request.c_str(), port), Ydb::StatusIds::SUCCESS, "/MyRoot", false);
+    }
+
+    Y_UNIT_TEST(ShouldSucceedOnSingleShardTable) {
+        TTestBasicRuntime runtime;
+
+        RunS3(runtime, {
+            R"(
+                Name: "Table"
+                Columns { Name: "key" Type: "Utf8" }
+                Columns { Name: "value" Type: "Utf8" }
+                KeyColumnNames: ["key"]
+            )",
+        }, R"(
+            ExportToS3Settings {
+              endpoint: "localhost:%d"
+              scheme: HTTP
+              items {
+                source_path: "/MyRoot/Table"
+                destination_prefix: ""
+              }
+            }
+        )");
     }
 
-    Y_UNIT_TEST(ShouldSucceedOnSingleShardTable) { 
-        TTestBasicRuntime runtime; 
- 
-        RunS3(runtime, { 
+    Y_UNIT_TEST(ShouldSucceedOnMultiShardTable) {
+        TTestBasicRuntime runtime;
+
+        RunS3(runtime, {
             R"(
                 Name: "Table"
+                Columns { Name: "key" Type: "Uint32" }
+                Columns { Name: "value" Type: "Utf8" }
+                KeyColumnNames: ["key"]
+                UniformPartitionsCount: 2
+            )",
+        }, R"(
+            ExportToS3Settings {
+              endpoint: "localhost:%d"
+              scheme: HTTP
+              items {
+                source_path: "/MyRoot/Table"
+                destination_prefix: ""
+              }
+            }
+        )");
+    }
+
+    Y_UNIT_TEST(ShouldSucceedOnManyTables) {
+        TTestBasicRuntime runtime;
+
+        RunS3(runtime, {
+            R"(
+                Name: "Table1"
+                Columns { Name: "key" Type: "Utf8" }
+                Columns { Name: "value" Type: "Utf8" }
+                KeyColumnNames: ["key"]
+            )",
+            R"(
+                Name: "Table2"
                 Columns { Name: "key" Type: "Utf8" }
                 Columns { Name: "value" Type: "Utf8" }
                 KeyColumnNames: ["key"]
             )",
         }, R"(
-            ExportToS3Settings { 
-              endpoint: "localhost:%d" 
-              scheme: HTTP 
+            ExportToS3Settings {
+              endpoint: "localhost:%d"
+              scheme: HTTP
+              items {
+                source_path: "/MyRoot/Table1"
+                destination_prefix: "table1"
+              }
+              items {
+                source_path: "/MyRoot/Table2"
+                destination_prefix: "table2"
+              }
+            }
+        )");
+    }
+
+    void CancelShouldSucceed(TDelayFunc delayFunc) {
+        TPortManager portManager;
+        const ui16 port = portManager.GetPort();
+
+        TS3Mock s3Mock({}, TS3Mock::TSettings(port));
+        UNIT_ASSERT(s3Mock.Start());
+
+        Cancel({
+            R"(
+                Name: "Table"
+                Columns { Name: "key" Type: "Utf8" }
+                Columns { Name: "value" Type: "Utf8" }
+                KeyColumnNames: ["key"]
+            )",
+        }, Sprintf(R"(
+            ExportToS3Settings {
+              endpoint: "localhost:%d"
+              scheme: HTTP
               items {
                 source_path: "/MyRoot/Table"
-                destination_prefix: "" 
+                destination_prefix: ""
               }
             }
-        )"); 
+        )", port), delayFunc);
     }
 
-    Y_UNIT_TEST(ShouldSucceedOnMultiShardTable) { 
-        TTestBasicRuntime runtime; 
- 
-        RunS3(runtime, { 
-            R"( 
-                Name: "Table" 
-                Columns { Name: "key" Type: "Uint32" } 
-                Columns { Name: "value" Type: "Utf8" } 
-                KeyColumnNames: ["key"] 
-                UniformPartitionsCount: 2 
-            )", 
-        }, R"( 
-            ExportToS3Settings { 
-              endpoint: "localhost:%d" 
-              scheme: HTTP 
-              items { 
-                source_path: "/MyRoot/Table" 
-                destination_prefix: "" 
-              } 
-            } 
-        )"); 
-    } 
- 
-    Y_UNIT_TEST(ShouldSucceedOnManyTables) { 
-        TTestBasicRuntime runtime; 
- 
-        RunS3(runtime, { 
-            R"( 
-                Name: "Table1" 
-                Columns { Name: "key" Type: "Utf8" } 
-                Columns { Name: "value" Type: "Utf8" } 
-                KeyColumnNames: ["key"] 
-            )", 
-            R"( 
-                Name: "Table2" 
-                Columns { Name: "key" Type: "Utf8" } 
-                Columns { Name: "value" Type: "Utf8" } 
-                KeyColumnNames: ["key"] 
-            )", 
-        }, R"( 
-            ExportToS3Settings { 
-              endpoint: "localhost:%d" 
-              scheme: HTTP 
-              items { 
-                source_path: "/MyRoot/Table1" 
-                destination_prefix: "table1" 
-              } 
-              items { 
-                source_path: "/MyRoot/Table2" 
-                destination_prefix: "table2" 
-              } 
-            } 
-        )"); 
-    } 
- 
-    void CancelShouldSucceed(TDelayFunc delayFunc) { 
-        TPortManager portManager; 
-        const ui16 port = portManager.GetPort(); 
- 
-        TS3Mock s3Mock({}, TS3Mock::TSettings(port)); 
-        UNIT_ASSERT(s3Mock.Start()); 
- 
-        Cancel({ 
-            R"( 
-                Name: "Table" 
-                Columns { Name: "key" Type: "Utf8" } 
-                Columns { Name: "value" Type: "Utf8" } 
-                KeyColumnNames: ["key"] 
-            )", 
-        }, Sprintf(R"( 
-            ExportToS3Settings { 
-              endpoint: "localhost:%d" 
-              scheme: HTTP 
-              items { 
-                source_path: "/MyRoot/Table" 
-                destination_prefix: "" 
-              } 
-            } 
-        )", port), delayFunc); 
-    } 
- 
     Y_UNIT_TEST(CancelUponCreatingExportDirShouldSucceed) {
         CancelShouldSucceed([](TAutoPtr<IEventHandle>& ev) {
             if (ev->GetTypeRewrite() != TEvSchemeShard::EvModifySchemeTransaction) {
@@ -297,13 +297,13 @@ Y_UNIT_TEST_SUITE(TExportToS3Tests) {
     }
 
     void CancelUponTransferringShouldSucceed(const TVector<TString>& tables, const TString& request) {
-        TPortManager portManager; 
-        const ui16 port = portManager.GetPort(); 
- 
-        TS3Mock s3Mock({}, TS3Mock::TSettings(port)); 
-        UNIT_ASSERT(s3Mock.Start()); 
- 
-        Cancel(tables, Sprintf(request.c_str(), port), [](TAutoPtr<IEventHandle>& ev) { 
+        TPortManager portManager;
+        const ui16 port = portManager.GetPort();
+
+        TS3Mock s3Mock({}, TS3Mock::TSettings(port));
+        UNIT_ASSERT(s3Mock.Start());
+
+        Cancel(tables, Sprintf(request.c_str(), port), [](TAutoPtr<IEventHandle>& ev) {
             if (ev->GetTypeRewrite() != TEvSchemeShard::EvModifySchemeTransaction) {
                 return false;
             }
@@ -322,12 +322,12 @@ Y_UNIT_TEST_SUITE(TExportToS3Tests) {
                 KeyColumnNames: ["key"]
             )",
         }, R"(
-            ExportToS3Settings { 
-              endpoint: "localhost:%d" 
-              scheme: HTTP 
+            ExportToS3Settings {
+              endpoint: "localhost:%d"
+              scheme: HTTP
               items {
                 source_path: "/MyRoot/Table"
-                destination_prefix: "" 
+                destination_prefix: ""
               }
             }
         )");
@@ -343,12 +343,12 @@ Y_UNIT_TEST_SUITE(TExportToS3Tests) {
                 UniformPartitionsCount: 2
             )",
         }, R"(
-            ExportToS3Settings { 
-              endpoint: "localhost:%d" 
-              scheme: HTTP 
+            ExportToS3Settings {
+              endpoint: "localhost:%d"
+              scheme: HTTP
               items {
                 source_path: "/MyRoot/Table"
-                destination_prefix: "" 
+                destination_prefix: ""
               }
             }
         )");
@@ -373,16 +373,16 @@ Y_UNIT_TEST_SUITE(TExportToS3Tests) {
                 KeyColumnNames: ["key"]
             )",
         }, R"(
-            ExportToS3Settings { 
-              endpoint: "localhost:%d" 
-              scheme: HTTP 
+            ExportToS3Settings {
+              endpoint: "localhost:%d"
+              scheme: HTTP
               items {
                 source_path: "/MyRoot/Table1"
-                destination_prefix: "table1" 
+                destination_prefix: "table1"
               }
               items {
                 source_path: "/MyRoot/Table2"
-                destination_prefix: "table2" 
+                destination_prefix: "table2"
               }
             }
         )");
@@ -469,329 +469,329 @@ Y_UNIT_TEST_SUITE(TExportToS3Tests) {
 
         TestGetExport(runtime, exportId, "/MyRoot", Ydb::StatusIds::NOT_FOUND);
     }
- 
-    void DropCopiesBeforeTransferring(ui32 tablesCount) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime); 
-        ui64 txId = 100; 
- 
-        for (ui32 i = 1; i <= tablesCount; ++i) { 
-            TestCreateTable(runtime, ++txId, "/MyRoot", Sprintf(R"( 
-                Name: "Table%d" 
-                Columns { Name: "key" Type: "Utf8" } 
-                Columns { Name: "value" Type: "Utf8" } 
-                KeyColumnNames: ["key"] 
-            )", i)); 
-            env.TestWaitNotification(runtime, txId); 
-        } 
- 
-        runtime.SetLogPriority(NKikimrServices::DATASHARD_BACKUP, NActors::NLog::PRI_TRACE); 
-        runtime.SetLogPriority(NKikimrServices::EXPORT, NActors::NLog::PRI_TRACE); 
- 
-        bool dropNotification = false; 
-        THolder<IEventHandle> delayed; 
-        auto prevObserver = runtime.SetObserverFunc([&](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) { 
-            switch (ev->GetTypeRewrite()) { 
+
+    void DropCopiesBeforeTransferring(ui32 tablesCount) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime);
+        ui64 txId = 100;
+
+        for (ui32 i = 1; i <= tablesCount; ++i) {
+            TestCreateTable(runtime, ++txId, "/MyRoot", Sprintf(R"(
+                Name: "Table%d"
+                Columns { Name: "key" Type: "Utf8" }
+                Columns { Name: "value" Type: "Utf8" }
+                KeyColumnNames: ["key"]
+            )", i));
+            env.TestWaitNotification(runtime, txId);
+        }
+
+        runtime.SetLogPriority(NKikimrServices::DATASHARD_BACKUP, NActors::NLog::PRI_TRACE);
+        runtime.SetLogPriority(NKikimrServices::EXPORT, NActors::NLog::PRI_TRACE);
+
+        bool dropNotification = false;
+        THolder<IEventHandle> delayed;
+        auto prevObserver = runtime.SetObserverFunc([&](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) {
+            switch (ev->GetTypeRewrite()) {
             case TEvSchemeShard::EvModifySchemeTransaction:
-                break; 
+                break;
             case TEvSchemeShard::EvNotifyTxCompletionResult:
-                if (dropNotification) { 
-                    delayed.Reset(ev.Release()); 
-                    return TTestActorRuntime::EEventAction::DROP; 
-                } 
-                return TTestActorRuntime::EEventAction::PROCESS; 
-            default: 
-                return TTestActorRuntime::EEventAction::PROCESS; 
-            } 
- 
+                if (dropNotification) {
+                    delayed.Reset(ev.Release());
+                    return TTestActorRuntime::EEventAction::DROP;
+                }
+                return TTestActorRuntime::EEventAction::PROCESS;
+            default:
+                return TTestActorRuntime::EEventAction::PROCESS;
+            }
+
             const auto* msg = ev->Get<TEvSchemeShard::TEvModifySchemeTransaction>();
             if (msg->Record.GetTransaction(0).GetOperationType() == NKikimrSchemeOp::ESchemeOpCreateConsistentCopyTables) {
-                dropNotification = true; 
-            } 
- 
-            return TTestActorRuntime::EEventAction::PROCESS; 
-        }); 
- 
-        TPortManager portManager; 
-        const ui16 port = portManager.GetPort(); 
- 
-        TS3Mock s3Mock({}, TS3Mock::TSettings(port)); 
-        UNIT_ASSERT(s3Mock.Start()); 
- 
-        TStringBuilder items; 
-        for (ui32 i = 1; i <= tablesCount; ++i) { 
-            items << "items {" 
-                << " source_path: \"/MyRoot/Table" << i << "\"" 
-                << " destination_prefix: \"\"" 
-            << " }"; 
-        } 
- 
-        TestExport(runtime, ++txId, "/MyRoot", Sprintf(R"( 
-            ExportToS3Settings { 
-              endpoint: "localhost:%d" 
-              scheme: HTTP 
-              %s 
-            } 
-        )", port, items.c_str())); 
-        const ui64 exportId = txId; 
- 
-        if (!delayed) { 
-            TDispatchOptions opts; 
-            opts.FinalEvents.emplace_back([&delayed](IEventHandle&) -> bool { 
-                return bool(delayed); 
-            }); 
-            runtime.DispatchEvents(opts); 
-        } 
- 
-        runtime.SetObserverFunc(prevObserver); 
- 
-        for (ui32 i = 0; i < tablesCount; ++i) { 
-            TestDropTable(runtime, ++txId, Sprintf("/MyRoot/export-%" PRIu64, exportId), ToString(i)); 
-            env.TestWaitNotification(runtime, txId); 
-        } 
- 
-        runtime.Send(delayed.Release(), 0, true); 
-        env.TestWaitNotification(runtime, exportId); 
- 
-        TestGetExport(runtime, exportId, "/MyRoot", Ydb::StatusIds::CANCELLED); 
- 
-        TestForgetExport(runtime, ++txId, "/MyRoot", exportId); 
-        env.TestWaitNotification(runtime, exportId); 
- 
-        TestGetExport(runtime, exportId, "/MyRoot", Ydb::StatusIds::NOT_FOUND); 
-    } 
- 
-    Y_UNIT_TEST(DropCopiesBeforeTransferring1) { 
-        DropCopiesBeforeTransferring(1); 
-    } 
- 
-    Y_UNIT_TEST(DropCopiesBeforeTransferring2) { 
-        DropCopiesBeforeTransferring(2); 
-    } 
- 
-    void RebootDuringFinish(bool rejectUploadParts, Ydb::StatusIds::StatusCode expectedStatus) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime); 
-        ui64 txId = 100; 
- 
-        auto writeRow = [&](ui64 tabletId, const char* key, const char* value) { 
-            NKikimrMiniKQL::TResult result; 
-            TString error; 
-            NKikimrProto::EReplyStatus status = LocalMiniKQL(runtime, tabletId, Sprintf(R"( 
-                ( 
-                    (let key '( '('key (Utf8 '%s) ) ) ) 
-                    (let row '( '('value (Utf8 '%s) ) ) ) 
-                    (return (AsList (UpdateRow '__user__Table key row) )) 
-                ) 
-            )", key, value), result, error); 
- 
-            UNIT_ASSERT_VALUES_EQUAL_C(status, NKikimrProto::EReplyStatus::OK, error); 
-            UNIT_ASSERT_VALUES_EQUAL(error, ""); 
-        }; 
- 
-        TestCreateTable(runtime, ++txId, "/MyRoot", R"( 
-            Name: "Table" 
-            Columns { Name: "key" Type: "Utf8" } 
-            Columns { Name: "value" Type: "Utf8" } 
-            KeyColumnNames: ["key"] 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
+                dropNotification = true;
+            }
+
+            return TTestActorRuntime::EEventAction::PROCESS;
+        });
+
+        TPortManager portManager;
+        const ui16 port = portManager.GetPort();
+
+        TS3Mock s3Mock({}, TS3Mock::TSettings(port));
+        UNIT_ASSERT(s3Mock.Start());
+
+        TStringBuilder items;
+        for (ui32 i = 1; i <= tablesCount; ++i) {
+            items << "items {"
+                << " source_path: \"/MyRoot/Table" << i << "\""
+                << " destination_prefix: \"\""
+            << " }";
+        }
+
+        TestExport(runtime, ++txId, "/MyRoot", Sprintf(R"(
+            ExportToS3Settings {
+              endpoint: "localhost:%d"
+              scheme: HTTP
+              %s
+            }
+        )", port, items.c_str()));
+        const ui64 exportId = txId;
+
+        if (!delayed) {
+            TDispatchOptions opts;
+            opts.FinalEvents.emplace_back([&delayed](IEventHandle&) -> bool {
+                return bool(delayed);
+            });
+            runtime.DispatchEvents(opts);
+        }
+
+        runtime.SetObserverFunc(prevObserver);
+
+        for (ui32 i = 0; i < tablesCount; ++i) {
+            TestDropTable(runtime, ++txId, Sprintf("/MyRoot/export-%" PRIu64, exportId), ToString(i));
+            env.TestWaitNotification(runtime, txId);
+        }
+
+        runtime.Send(delayed.Release(), 0, true);
+        env.TestWaitNotification(runtime, exportId);
+
+        TestGetExport(runtime, exportId, "/MyRoot", Ydb::StatusIds::CANCELLED);
+
+        TestForgetExport(runtime, ++txId, "/MyRoot", exportId);
+        env.TestWaitNotification(runtime, exportId);
+
+        TestGetExport(runtime, exportId, "/MyRoot", Ydb::StatusIds::NOT_FOUND);
+    }
+
+    Y_UNIT_TEST(DropCopiesBeforeTransferring1) {
+        DropCopiesBeforeTransferring(1);
+    }
+
+    Y_UNIT_TEST(DropCopiesBeforeTransferring2) {
+        DropCopiesBeforeTransferring(2);
+    }
+
+    void RebootDuringFinish(bool rejectUploadParts, Ydb::StatusIds::StatusCode expectedStatus) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime);
+        ui64 txId = 100;
+
+        auto writeRow = [&](ui64 tabletId, const char* key, const char* value) {
+            NKikimrMiniKQL::TResult result;
+            TString error;
+            NKikimrProto::EReplyStatus status = LocalMiniKQL(runtime, tabletId, Sprintf(R"(
+                (
+                    (let key '( '('key (Utf8 '%s) ) ) )
+                    (let row '( '('value (Utf8 '%s) ) ) )
+                    (return (AsList (UpdateRow '__user__Table key row) ))
+                )
+            )", key, value), result, error);
+
+            UNIT_ASSERT_VALUES_EQUAL_C(status, NKikimrProto::EReplyStatus::OK, error);
+            UNIT_ASSERT_VALUES_EQUAL(error, "");
+        };
+
+        TestCreateTable(runtime, ++txId, "/MyRoot", R"(
+            Name: "Table"
+            Columns { Name: "key" Type: "Utf8" }
+            Columns { Name: "value" Type: "Utf8" }
+            KeyColumnNames: ["key"]
+        )");
+        env.TestWaitNotification(runtime, txId);
+
         writeRow(TTestTxConfig::FakeHiveTablets, "a", "valueA");
         writeRow(TTestTxConfig::FakeHiveTablets, "b", "valueB");
- 
-        runtime.SetLogPriority(NKikimrServices::S3_WRAPPER, NActors::NLog::PRI_TRACE); 
-        runtime.SetLogPriority(NKikimrServices::DATASHARD_BACKUP, NActors::NLog::PRI_TRACE); 
-        runtime.SetLogPriority(NKikimrServices::EXPORT, NActors::NLog::PRI_TRACE); 
- 
-        TMaybe<ui64> backupTxId; 
-        TMaybe<ui64> tabletId; 
-        bool delayed = false; 
- 
-        auto prevObserver = runtime.SetObserverFunc([&](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) { 
-            switch (ev->GetTypeRewrite()) { 
-                case TEvDataShard::EvProposeTransaction: { 
-                    auto& record = ev->Get<TEvDataShard::TEvProposeTransaction>()->Record; 
-                    if (record.GetTxKind() != NKikimrTxDataShard::ETransactionKind::TX_KIND_SCHEME) { 
-                        return TTestActorRuntime::EEventAction::PROCESS; 
-                    } 
- 
-                    NKikimrTxDataShard::TFlatSchemeTransaction schemeTx; 
-                    UNIT_ASSERT(schemeTx.ParseFromString(record.GetTxBody())); 
- 
-                    if (schemeTx.HasBackup()) { 
-                        backupTxId = record.GetTxId(); 
-                        // hijack 
-                        schemeTx.MutableBackup()->MutableScanSettings()->SetRowsBatchSize(1); 
-                        record.SetTxBody(schemeTx.SerializeAsString()); 
-                    } 
- 
-                    return TTestActorRuntime::EEventAction::PROCESS; 
-                } 
- 
-                case TEvDataShard::EvProposeTransactionResult: { 
-                    if (!backupTxId) { 
-                        return TTestActorRuntime::EEventAction::PROCESS; 
-                    } 
- 
-                    const auto& record = ev->Get<TEvDataShard::TEvProposeTransactionResult>()->Record; 
-                    if (record.GetTxId() != *backupTxId) { 
-                        return TTestActorRuntime::EEventAction::PROCESS; 
-                    } 
- 
-                    tabletId = record.GetOrigin(); 
-                    return TTestActorRuntime::EEventAction::PROCESS; 
-                } 
- 
-                case NWrappers::TEvS3Wrapper::EvCompleteMultipartUploadRequest: 
-                case NWrappers::TEvS3Wrapper::EvAbortMultipartUploadRequest: 
-                    delayed = true; 
-                    return TTestActorRuntime::EEventAction::DROP; 
- 
-                default: 
-                    return TTestActorRuntime::EEventAction::PROCESS; 
-            } 
-        }); 
- 
-        TPortManager portManager; 
-        const ui16 port = portManager.GetPort(); 
- 
-        TS3Mock s3Mock({}, TS3Mock::TSettings(port).WithRejectUploadParts(rejectUploadParts)); 
-        UNIT_ASSERT(s3Mock.Start()); 
- 
-        TestExport(runtime, ++txId, "/MyRoot", Sprintf(R"( 
-            ExportToS3Settings { 
-              endpoint: "localhost:%d" 
-              scheme: HTTP 
-              items { 
-                source_path: "/MyRoot/Table" 
-                destination_prefix: "" 
-              } 
-            } 
-        )", port)); 
-        const ui64 exportId = txId; 
- 
-        if (!delayed || !tabletId) { 
-            TDispatchOptions opts; 
-            opts.FinalEvents.emplace_back([&delayed, &tabletId](IEventHandle&) -> bool { 
-                return delayed && tabletId; 
-            }); 
-            runtime.DispatchEvents(opts); 
-        } 
- 
-        runtime.SetObserverFunc(prevObserver); 
- 
+
+        runtime.SetLogPriority(NKikimrServices::S3_WRAPPER, NActors::NLog::PRI_TRACE);
+        runtime.SetLogPriority(NKikimrServices::DATASHARD_BACKUP, NActors::NLog::PRI_TRACE);
+        runtime.SetLogPriority(NKikimrServices::EXPORT, NActors::NLog::PRI_TRACE);
+
+        TMaybe<ui64> backupTxId;
+        TMaybe<ui64> tabletId;
+        bool delayed = false;
+
+        auto prevObserver = runtime.SetObserverFunc([&](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) {
+            switch (ev->GetTypeRewrite()) {
+                case TEvDataShard::EvProposeTransaction: {
+                    auto& record = ev->Get<TEvDataShard::TEvProposeTransaction>()->Record;
+                    if (record.GetTxKind() != NKikimrTxDataShard::ETransactionKind::TX_KIND_SCHEME) {
+                        return TTestActorRuntime::EEventAction::PROCESS;
+                    }
+
+                    NKikimrTxDataShard::TFlatSchemeTransaction schemeTx;
+                    UNIT_ASSERT(schemeTx.ParseFromString(record.GetTxBody()));
+
+                    if (schemeTx.HasBackup()) {
+                        backupTxId = record.GetTxId();
+                        // hijack
+                        schemeTx.MutableBackup()->MutableScanSettings()->SetRowsBatchSize(1);
+                        record.SetTxBody(schemeTx.SerializeAsString());
+                    }
+
+                    return TTestActorRuntime::EEventAction::PROCESS;
+                }
+
+                case TEvDataShard::EvProposeTransactionResult: {
+                    if (!backupTxId) {
+                        return TTestActorRuntime::EEventAction::PROCESS;
+                    }
+
+                    const auto& record = ev->Get<TEvDataShard::TEvProposeTransactionResult>()->Record;
+                    if (record.GetTxId() != *backupTxId) {
+                        return TTestActorRuntime::EEventAction::PROCESS;
+                    }
+
+                    tabletId = record.GetOrigin();
+                    return TTestActorRuntime::EEventAction::PROCESS;
+                }
+
+                case NWrappers::TEvS3Wrapper::EvCompleteMultipartUploadRequest:
+                case NWrappers::TEvS3Wrapper::EvAbortMultipartUploadRequest:
+                    delayed = true;
+                    return TTestActorRuntime::EEventAction::DROP;
+
+                default:
+                    return TTestActorRuntime::EEventAction::PROCESS;
+            }
+        });
+
+        TPortManager portManager;
+        const ui16 port = portManager.GetPort();
+
+        TS3Mock s3Mock({}, TS3Mock::TSettings(port).WithRejectUploadParts(rejectUploadParts));
+        UNIT_ASSERT(s3Mock.Start());
+
+        TestExport(runtime, ++txId, "/MyRoot", Sprintf(R"(
+            ExportToS3Settings {
+              endpoint: "localhost:%d"
+              scheme: HTTP
+              items {
+                source_path: "/MyRoot/Table"
+                destination_prefix: ""
+              }
+            }
+        )", port));
+        const ui64 exportId = txId;
+
+        if (!delayed || !tabletId) {
+            TDispatchOptions opts;
+            opts.FinalEvents.emplace_back([&delayed, &tabletId](IEventHandle&) -> bool {
+                return delayed && tabletId;
+            });
+            runtime.DispatchEvents(opts);
+        }
+
+        runtime.SetObserverFunc(prevObserver);
+
         RebootTablet(runtime, *tabletId, runtime.AllocateEdgeActor());
-        env.TestWaitNotification(runtime, exportId); 
- 
-        TestGetExport(runtime, exportId, "/MyRoot", expectedStatus); 
- 
-        TestForgetExport(runtime, ++txId, "/MyRoot", exportId); 
-        env.TestWaitNotification(runtime, exportId); 
- 
-        TestGetExport(runtime, exportId, "/MyRoot", Ydb::StatusIds::NOT_FOUND); 
-    } 
- 
-    Y_UNIT_TEST(RebootDuringCompletion) { 
-        RebootDuringFinish(false, Ydb::StatusIds::SUCCESS); 
-    } 
- 
-    Y_UNIT_TEST(RebootDuringAbortion) { 
-        RebootDuringFinish(true, Ydb::StatusIds::CANCELLED); 
-    } 
- 
-    Y_UNIT_TEST(ShouldExcludeBackupTableFromStats) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime); 
-        ui64 txId = 100; 
- 
-        auto writeRow = [&](ui64 tabletId, const TString& key, const TString& value) { 
-            NKikimrMiniKQL::TResult result; 
-            TString error; 
-            NKikimrProto::EReplyStatus status = LocalMiniKQL(runtime, tabletId, Sprintf(R"( 
-                ( 
-                    (let key '( '('key (Utf8 '%s) ) ) ) 
-                    (let row '( '('value (Utf8 '%s) ) ) ) 
-                    (return (AsList (UpdateRow '__user__Table key row) )) 
-                ) 
-            )", key.c_str(), value.c_str()), result, error); 
- 
-            UNIT_ASSERT_VALUES_EQUAL_C(status, NKikimrProto::EReplyStatus::OK, error); 
-            UNIT_ASSERT_VALUES_EQUAL(error, ""); 
-        }; 
- 
-        THashSet<ui64> statsCollected; 
-        runtime.SetObserverFunc([&](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) { 
-            if (ev->GetTypeRewrite() == TEvDataShard::EvPeriodicTableStats) { 
-                statsCollected.insert(ev->Get<TEvDataShard::TEvPeriodicTableStats>()->Record.GetDatashardId()); 
-            } 
- 
-            return TTestActorRuntime::EEventAction::PROCESS; 
-        }); 
- 
-        auto waitForStats = [&](ui32 count) { 
-            statsCollected.clear(); 
- 
-            TDispatchOptions opts; 
-            opts.FinalEvents.emplace_back([&](IEventHandle&) -> bool { 
-                return statsCollected.size() == count; 
-            }); 
-            runtime.DispatchEvents(opts); 
- 
-            return DescribePath(runtime, "/MyRoot") 
-                .GetPathDescription() 
-                .GetDomainDescription() 
-                .GetDiskSpaceUsage(); 
-        }; 
- 
-        TestCreateTable(runtime, ++txId, "/MyRoot", R"( 
-            Name: "Table" 
-            Columns { Name: "key" Type: "Utf8" } 
-            Columns { Name: "value" Type: "Utf8" } 
-            KeyColumnNames: ["key"] 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        for (int i = 1; i < 500; ++i) { 
+        env.TestWaitNotification(runtime, exportId);
+
+        TestGetExport(runtime, exportId, "/MyRoot", expectedStatus);
+
+        TestForgetExport(runtime, ++txId, "/MyRoot", exportId);
+        env.TestWaitNotification(runtime, exportId);
+
+        TestGetExport(runtime, exportId, "/MyRoot", Ydb::StatusIds::NOT_FOUND);
+    }
+
+    Y_UNIT_TEST(RebootDuringCompletion) {
+        RebootDuringFinish(false, Ydb::StatusIds::SUCCESS);
+    }
+
+    Y_UNIT_TEST(RebootDuringAbortion) {
+        RebootDuringFinish(true, Ydb::StatusIds::CANCELLED);
+    }
+
+    Y_UNIT_TEST(ShouldExcludeBackupTableFromStats) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime);
+        ui64 txId = 100;
+
+        auto writeRow = [&](ui64 tabletId, const TString& key, const TString& value) {
+            NKikimrMiniKQL::TResult result;
+            TString error;
+            NKikimrProto::EReplyStatus status = LocalMiniKQL(runtime, tabletId, Sprintf(R"(
+                (
+                    (let key '( '('key (Utf8 '%s) ) ) )
+                    (let row '( '('value (Utf8 '%s) ) ) )
+                    (return (AsList (UpdateRow '__user__Table key row) ))
+                )
+            )", key.c_str(), value.c_str()), result, error);
+
+            UNIT_ASSERT_VALUES_EQUAL_C(status, NKikimrProto::EReplyStatus::OK, error);
+            UNIT_ASSERT_VALUES_EQUAL(error, "");
+        };
+
+        THashSet<ui64> statsCollected;
+        runtime.SetObserverFunc([&](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) {
+            if (ev->GetTypeRewrite() == TEvDataShard::EvPeriodicTableStats) {
+                statsCollected.insert(ev->Get<TEvDataShard::TEvPeriodicTableStats>()->Record.GetDatashardId());
+            }
+
+            return TTestActorRuntime::EEventAction::PROCESS;
+        });
+
+        auto waitForStats = [&](ui32 count) {
+            statsCollected.clear();
+
+            TDispatchOptions opts;
+            opts.FinalEvents.emplace_back([&](IEventHandle&) -> bool {
+                return statsCollected.size() == count;
+            });
+            runtime.DispatchEvents(opts);
+
+            return DescribePath(runtime, "/MyRoot")
+                .GetPathDescription()
+                .GetDomainDescription()
+                .GetDiskSpaceUsage();
+        };
+
+        TestCreateTable(runtime, ++txId, "/MyRoot", R"(
+            Name: "Table"
+            Columns { Name: "key" Type: "Utf8" }
+            Columns { Name: "value" Type: "Utf8" }
+            KeyColumnNames: ["key"]
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        for (int i = 1; i < 500; ++i) {
             writeRow(TTestTxConfig::FakeHiveTablets, Sprintf("a%i", i), "value");
-        } 
- 
-        // trigger memtable's compaction 
-        TestCopyTable(runtime, ++txId, "/MyRoot", "CopyTable", "/MyRoot/Table"); 
-        env.TestWaitNotification(runtime, txId); 
-        TestDropTable(runtime, ++txId, "/MyRoot", "Table"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        const auto expected = waitForStats(1); 
- 
-        TPortManager portManager; 
-        const ui16 port = portManager.GetPort(); 
- 
-        TS3Mock s3Mock({}, TS3Mock::TSettings(port)); 
-        UNIT_ASSERT(s3Mock.Start()); 
- 
-        TestExport(runtime, ++txId, "/MyRoot", Sprintf(R"( 
-            ExportToS3Settings { 
-              endpoint: "localhost:%d" 
-              scheme: HTTP 
-              items { 
-                source_path: "/MyRoot/CopyTable" 
-                destination_prefix: "" 
-              } 
-            } 
-        )", port)); 
-        const ui64 exportId = txId; 
-        env.TestWaitNotification(runtime, exportId); 
- 
-        TestGetExport(runtime, exportId, "/MyRoot", Ydb::StatusIds::SUCCESS); 
-        const auto afterExport = waitForStats(2); 
-        UNIT_ASSERT_STRINGS_EQUAL(expected.DebugString(), afterExport.DebugString()); 
- 
-        TestForgetExport(runtime, ++txId, "/MyRoot", exportId); 
-        env.TestWaitNotification(runtime, exportId); 
- 
-        TestGetExport(runtime, exportId, "/MyRoot", Ydb::StatusIds::NOT_FOUND); 
-        const auto afterForget = waitForStats(1); 
-        UNIT_ASSERT_STRINGS_EQUAL(expected.DebugString(), afterForget.DebugString()); 
-    } 
+        }
+
+        // trigger memtable's compaction
+        TestCopyTable(runtime, ++txId, "/MyRoot", "CopyTable", "/MyRoot/Table");
+        env.TestWaitNotification(runtime, txId);
+        TestDropTable(runtime, ++txId, "/MyRoot", "Table");
+        env.TestWaitNotification(runtime, txId);
+
+        const auto expected = waitForStats(1);
+
+        TPortManager portManager;
+        const ui16 port = portManager.GetPort();
+
+        TS3Mock s3Mock({}, TS3Mock::TSettings(port));
+        UNIT_ASSERT(s3Mock.Start());
+
+        TestExport(runtime, ++txId, "/MyRoot", Sprintf(R"(
+            ExportToS3Settings {
+              endpoint: "localhost:%d"
+              scheme: HTTP
+              items {
+                source_path: "/MyRoot/CopyTable"
+                destination_prefix: ""
+              }
+            }
+        )", port));
+        const ui64 exportId = txId;
+        env.TestWaitNotification(runtime, exportId);
+
+        TestGetExport(runtime, exportId, "/MyRoot", Ydb::StatusIds::SUCCESS);
+        const auto afterExport = waitForStats(2);
+        UNIT_ASSERT_STRINGS_EQUAL(expected.DebugString(), afterExport.DebugString());
+
+        TestForgetExport(runtime, ++txId, "/MyRoot", exportId);
+        env.TestWaitNotification(runtime, exportId);
+
+        TestGetExport(runtime, exportId, "/MyRoot", Ydb::StatusIds::NOT_FOUND);
+        const auto afterForget = waitForStats(1);
+        UNIT_ASSERT_STRINGS_EQUAL(expected.DebugString(), afterForget.DebugString());
+    }
 }
diff --git a/ydb/core/tx/schemeshard/ut_export/ya.make b/ydb/core/tx/schemeshard/ut_export/ya.make
index ca5d16eb35..6750205274 100644
--- a/ydb/core/tx/schemeshard/ut_export/ya.make
+++ b/ydb/core/tx/schemeshard/ut_export/ya.make
@@ -20,21 +20,21 @@ ENDIF()
 
 INCLUDE(${ARCADIA_ROOT}/ydb/tests/supp/ubsan_supp.inc)
 
-IF (NOT OS_WINDOWS) 
-    PEERDIR( 
+IF (NOT OS_WINDOWS)
+    PEERDIR(
         library/cpp/getopt
-        library/cpp/regex/pcre 
-        library/cpp/svnversion 
+        library/cpp/regex/pcre
+        library/cpp/svnversion
         ydb/core/testlib
         ydb/core/tx
         ydb/core/tx/schemeshard/ut_helpers
         ydb/core/wrappers/ut_helpers
         ydb/library/yql/public/udf/service/exception_policy
-    ) 
-    SRCS( 
-        ut_export.cpp 
-    ) 
-ENDIF() 
+    )
+    SRCS(
+        ut_export.cpp
+    )
+ENDIF()
 
 YQL_LAST_ABI_VERSION()
 
diff --git a/ydb/core/tx/schemeshard/ut_export_reboots_s3.cpp b/ydb/core/tx/schemeshard/ut_export_reboots_s3.cpp
index 6c4e367045..5e1e42d17c 100644
--- a/ydb/core/tx/schemeshard/ut_export_reboots_s3.cpp
+++ b/ydb/core/tx/schemeshard/ut_export_reboots_s3.cpp
@@ -5,7 +5,7 @@
 #include <util/string/printf.h>
 
 using namespace NSchemeShardUT_Private;
-using namespace NSchemeShardUT_Private::NExportReboots; 
+using namespace NSchemeShardUT_Private::NExportReboots;
 using namespace NKikimr::NWrappers::NTestHelpers;
 
 Y_UNIT_TEST_SUITE(TExportToS3WithRebootsTests) {
diff --git a/ydb/core/tx/schemeshard/ut_helpers/export_reboots_common.cpp b/ydb/core/tx/schemeshard/ut_helpers/export_reboots_common.cpp
index 89b90c0fc2..a2d876fd05 100644
--- a/ydb/core/tx/schemeshard/ut_helpers/export_reboots_common.cpp
+++ b/ydb/core/tx/schemeshard/ut_helpers/export_reboots_common.cpp
@@ -1,120 +1,120 @@
-#include "export_reboots_common.h" 
- 
+#include "export_reboots_common.h"
+
 #include <ydb/core/tx/schemeshard/ut_helpers/helpers.h>
- 
-namespace NSchemeShardUT_Private { 
-namespace NExportReboots { 
- 
+
+namespace NSchemeShardUT_Private {
+namespace NExportReboots {
+
 void Run(const TVector<TString>& tables, const TString& request, TTestWithReboots& t) {
-    t.Run([&](TTestActorRuntime& runtime, bool& activeZone) { 
-        { 
-            TInactiveZone inactive(activeZone); 
- 
-            TSet<ui64> toWait; 
-            for (const auto& table : tables) { 
-                TestCreateTable(runtime, ++t.TxId, "/MyRoot", table); 
-                toWait.insert(t.TxId); 
-            } 
-            t.TestEnv->TestWaitNotification(runtime, toWait); 
-        } 
- 
-        TestExport(runtime, ++t.TxId, "/MyRoot", request); 
-        const ui64 exportId = t.TxId; 
- 
-        t.TestEnv->TestWaitNotification(runtime, exportId); 
- 
-        { 
-            TInactiveZone inactive(activeZone); 
- 
-            auto response = TestGetExport(runtime, exportId, "/MyRoot", { 
-                Ydb::StatusIds::SUCCESS, 
-                Ydb::StatusIds::NOT_FOUND 
-            }); 
- 
-            if (response.GetResponse().GetEntry().GetStatus() == Ydb::StatusIds::NOT_FOUND) { 
-                return; 
-            } 
- 
-            TestForgetExport(runtime, ++t.TxId, "/MyRoot", exportId); 
-            t.TestEnv->TestWaitNotification(runtime, exportId); 
- 
-            TestGetExport(runtime, exportId, "/MyRoot", Ydb::StatusIds::NOT_FOUND); 
-        } 
-    }); 
-} 
- 
+    t.Run([&](TTestActorRuntime& runtime, bool& activeZone) {
+        {
+            TInactiveZone inactive(activeZone);
+
+            TSet<ui64> toWait;
+            for (const auto& table : tables) {
+                TestCreateTable(runtime, ++t.TxId, "/MyRoot", table);
+                toWait.insert(t.TxId);
+            }
+            t.TestEnv->TestWaitNotification(runtime, toWait);
+        }
+
+        TestExport(runtime, ++t.TxId, "/MyRoot", request);
+        const ui64 exportId = t.TxId;
+
+        t.TestEnv->TestWaitNotification(runtime, exportId);
+
+        {
+            TInactiveZone inactive(activeZone);
+
+            auto response = TestGetExport(runtime, exportId, "/MyRoot", {
+                Ydb::StatusIds::SUCCESS,
+                Ydb::StatusIds::NOT_FOUND
+            });
+
+            if (response.GetResponse().GetEntry().GetStatus() == Ydb::StatusIds::NOT_FOUND) {
+                return;
+            }
+
+            TestForgetExport(runtime, ++t.TxId, "/MyRoot", exportId);
+            t.TestEnv->TestWaitNotification(runtime, exportId);
+
+            TestGetExport(runtime, exportId, "/MyRoot", Ydb::StatusIds::NOT_FOUND);
+        }
+    });
+}
+
 void Cancel(const TVector<TString>& tables, const TString& request, TTestWithReboots& t) {
-    t.Run([&](TTestActorRuntime& runtime, bool& activeZone) { 
-        { 
-            TInactiveZone inactive(activeZone); 
- 
-            TSet<ui64> toWait; 
-            for (const auto& table : tables) { 
-                TestCreateTable(runtime, ++t.TxId, "/MyRoot", table); 
-                toWait.insert(t.TxId); 
-            } 
-            t.TestEnv->TestWaitNotification(runtime, toWait); 
-        } 
- 
-        TestExport(runtime, ++t.TxId, "/MyRoot", request); 
-        const ui64 exportId = t.TxId; 
- 
-        t.TestEnv->ReliablePropose(runtime, CancelExportRequest(++t.TxId, "/MyRoot", exportId), { 
-            Ydb::StatusIds::SUCCESS, 
-            Ydb::StatusIds::NOT_FOUND 
-        }); 
-        t.TestEnv->TestWaitNotification(runtime, exportId); 
- 
-        { 
-            TInactiveZone inactive(activeZone); 
- 
-            auto response = TestGetExport(runtime, exportId, "/MyRoot", { 
-                Ydb::StatusIds::SUCCESS, 
-                Ydb::StatusIds::CANCELLED, 
-                Ydb::StatusIds::NOT_FOUND 
-            }); 
- 
-            if (response.GetResponse().GetEntry().GetStatus() == Ydb::StatusIds::NOT_FOUND) { 
-                return; 
-            } 
- 
-            TestForgetExport(runtime, ++t.TxId, "/MyRoot", exportId); 
-            t.TestEnv->TestWaitNotification(runtime, exportId); 
- 
-            TestGetExport(runtime, exportId, "/MyRoot", Ydb::StatusIds::NOT_FOUND); 
-        } 
-    }); 
-} 
- 
+    t.Run([&](TTestActorRuntime& runtime, bool& activeZone) {
+        {
+            TInactiveZone inactive(activeZone);
+
+            TSet<ui64> toWait;
+            for (const auto& table : tables) {
+                TestCreateTable(runtime, ++t.TxId, "/MyRoot", table);
+                toWait.insert(t.TxId);
+            }
+            t.TestEnv->TestWaitNotification(runtime, toWait);
+        }
+
+        TestExport(runtime, ++t.TxId, "/MyRoot", request);
+        const ui64 exportId = t.TxId;
+
+        t.TestEnv->ReliablePropose(runtime, CancelExportRequest(++t.TxId, "/MyRoot", exportId), {
+            Ydb::StatusIds::SUCCESS,
+            Ydb::StatusIds::NOT_FOUND
+        });
+        t.TestEnv->TestWaitNotification(runtime, exportId);
+
+        {
+            TInactiveZone inactive(activeZone);
+
+            auto response = TestGetExport(runtime, exportId, "/MyRoot", {
+                Ydb::StatusIds::SUCCESS,
+                Ydb::StatusIds::CANCELLED,
+                Ydb::StatusIds::NOT_FOUND
+            });
+
+            if (response.GetResponse().GetEntry().GetStatus() == Ydb::StatusIds::NOT_FOUND) {
+                return;
+            }
+
+            TestForgetExport(runtime, ++t.TxId, "/MyRoot", exportId);
+            t.TestEnv->TestWaitNotification(runtime, exportId);
+
+            TestGetExport(runtime, exportId, "/MyRoot", Ydb::StatusIds::NOT_FOUND);
+        }
+    });
+}
+
 void Forget(const TVector<TString>& tables, const TString& request, TTestWithReboots& t) {
-    t.Run([&](TTestActorRuntime& runtime, bool& activeZone) { 
-        { 
-            TInactiveZone inactive(activeZone); 
- 
-            TSet<ui64> toWait; 
-            for (const auto& table : tables) { 
-                TestCreateTable(runtime, ++t.TxId, "/MyRoot", table); 
-                toWait.insert(t.TxId); 
-            } 
-            t.TestEnv->TestWaitNotification(runtime, toWait); 
- 
-            TestExport(runtime, ++t.TxId, "/MyRoot", request); 
-            t.TestEnv->TestWaitNotification(runtime, t.TxId); 
-        } 
- 
-        const ui64 exportId = t.TxId; 
- 
-        t.TestEnv->ReliablePropose(runtime, ForgetExportRequest(++t.TxId, "/MyRoot", exportId), { 
-            Ydb::StatusIds::SUCCESS, 
-        }); 
-        t.TestEnv->TestWaitNotification(runtime, exportId); 
- 
-        { 
-            TInactiveZone inactive(activeZone); 
-            TestGetExport(runtime, exportId, "/MyRoot", Ydb::StatusIds::NOT_FOUND); 
-        } 
-    }); 
-} 
- 
-} // NExportReboots 
-} // NSchemeShardUT_Private 
+    t.Run([&](TTestActorRuntime& runtime, bool& activeZone) {
+        {
+            TInactiveZone inactive(activeZone);
+
+            TSet<ui64> toWait;
+            for (const auto& table : tables) {
+                TestCreateTable(runtime, ++t.TxId, "/MyRoot", table);
+                toWait.insert(t.TxId);
+            }
+            t.TestEnv->TestWaitNotification(runtime, toWait);
+
+            TestExport(runtime, ++t.TxId, "/MyRoot", request);
+            t.TestEnv->TestWaitNotification(runtime, t.TxId);
+        }
+
+        const ui64 exportId = t.TxId;
+
+        t.TestEnv->ReliablePropose(runtime, ForgetExportRequest(++t.TxId, "/MyRoot", exportId), {
+            Ydb::StatusIds::SUCCESS,
+        });
+        t.TestEnv->TestWaitNotification(runtime, exportId);
+
+        {
+            TInactiveZone inactive(activeZone);
+            TestGetExport(runtime, exportId, "/MyRoot", Ydb::StatusIds::NOT_FOUND);
+        }
+    });
+}
+
+} // NExportReboots
+} // NSchemeShardUT_Private
diff --git a/ydb/core/tx/schemeshard/ut_helpers/export_reboots_common.h b/ydb/core/tx/schemeshard/ut_helpers/export_reboots_common.h
index a82e62951b..a7f869c585 100644
--- a/ydb/core/tx/schemeshard/ut_helpers/export_reboots_common.h
+++ b/ydb/core/tx/schemeshard/ut_helpers/export_reboots_common.h
@@ -1,17 +1,17 @@
-#pragma once 
- 
-#include <util/generic/string.h> 
-#include <util/generic/vector.h> 
- 
-namespace NSchemeShardUT_Private { 
+#pragma once
+
+#include <util/generic/string.h>
+#include <util/generic/vector.h>
+
+namespace NSchemeShardUT_Private {
 
 class TTestWithReboots;
 
-namespace NExportReboots { 
- 
+namespace NExportReboots {
+
 void Run(const TVector<TString>& tables, const TString& request, TTestWithReboots& t);
 void Cancel(const TVector<TString>& tables, const TString& request, TTestWithReboots& t);
 void Forget(const TVector<TString>& tables, const TString& request, TTestWithReboots& t);
- 
-} // NExportReboots 
-} // NSchemeShardUT_Private 
+
+} // NExportReboots
+} // NSchemeShardUT_Private
diff --git a/ydb/core/tx/schemeshard/ut_helpers/helpers.cpp b/ydb/core/tx/schemeshard/ut_helpers/helpers.cpp
index 91b00020c9..6f999b268b 100644
--- a/ydb/core/tx/schemeshard/ut_helpers/helpers.cpp
+++ b/ydb/core/tx/schemeshard/ut_helpers/helpers.cpp
@@ -11,87 +11,87 @@
 
 #include <ydb/core/util/pb.h>
 
-#include <library/cpp/testing/unittest/registar.h> 
- 
-#include <util/generic/maybe.h> 
+#include <library/cpp/testing/unittest/registar.h>
+
+#include <util/generic/maybe.h>
 #include <util/generic/ptr.h>
-#include <util/string/split.h> 
-#include <util/system/env.h> 
+#include <util/string/split.h>
+#include <util/system/env.h>
 
 namespace NSchemeShardUT_Private {
     using namespace NKikimr;
 
-    template <typename TEvResponse, typename TEvRequest, typename TStatus> 
-    static ui32 ReliableProposeImpl( 
-        NActors::TTestActorRuntime& runtime, const TActorId& proposer, 
-        TEvRequest* evRequest, const TVector<TStatus>& expectedStatuses) 
+    template <typename TEvResponse, typename TEvRequest, typename TStatus>
+    static ui32 ReliableProposeImpl(
+        NActors::TTestActorRuntime& runtime, const TActorId& proposer,
+        TEvRequest* evRequest, const TVector<TStatus>& expectedStatuses)
     {
         TActorId sender = runtime.AllocateEdgeActor();
-        ui64 txId = evRequest->Record.GetTxId(); 
-        runtime.Send(new IEventHandle(proposer, sender, evRequest)); 
+        ui64 txId = evRequest->Record.GetTxId();
+        runtime.Send(new IEventHandle(proposer, sender, evRequest));
 
-        auto evResponse = runtime.GrabEdgeEvent<TEvResponse>(sender); 
-        UNIT_ASSERT(evResponse); 
+        auto evResponse = runtime.GrabEdgeEvent<TEvResponse>(sender);
+        UNIT_ASSERT(evResponse);
 
-        const auto& record = evResponse->Get()->Record; 
-        UNIT_ASSERT(record.GetTxId() == txId); 
+        const auto& record = evResponse->Get()->Record;
+        UNIT_ASSERT(record.GetTxId() == txId);
 
-        ui32 result = 0; 
+        ui32 result = 0;
 
         if constexpr (std::is_same_v<TEvSchemeShard::TEvModifySchemeTransactionResult, TEvResponse>) {
-            result = record.GetStatus(); 
-            CheckExpected(expectedStatuses, record.GetStatus(), record.GetReason()); 
+            result = record.GetStatus();
+            CheckExpected(expectedStatuses, record.GetStatus(), record.GetReason());
         } else if constexpr (std::is_same_v<TEvSchemeShard::TEvCancelTxResult, TEvResponse>) {
-            result = record.GetStatus(); 
-            CheckExpected(expectedStatuses, record.GetStatus(), record.GetResult()); 
-        } else { 
-            result = record.GetResponse().GetStatus(); 
-            CheckExpected(expectedStatuses, record.GetResponse().GetStatus(), "unexpected"); 
-        } 
+            result = record.GetStatus();
+            CheckExpected(expectedStatuses, record.GetStatus(), record.GetResult());
+        } else {
+            result = record.GetResponse().GetStatus();
+            CheckExpected(expectedStatuses, record.GetResponse().GetStatus(), "unexpected");
+        }
 
-        return result; 
+        return result;
     }
 
-    ui32 NSchemeShardUT_Private::TTestEnv::ReliablePropose( 
+    ui32 NSchemeShardUT_Private::TTestEnv::ReliablePropose(
         NActors::TTestActorRuntime& runtime, TEvSchemeShard::TEvModifySchemeTransaction* evTx,
         const TVector<TEvSchemeShard::EStatus>& expectedResults)
-    { 
+    {
         return ReliableProposeImpl<TEvSchemeShard::TEvModifySchemeTransactionResult>(
-            runtime, TxReliablePropose, evTx, expectedResults); 
-    } 
- 
-    ui32 NSchemeShardUT_Private::TTestEnv::ReliablePropose( 
+            runtime, TxReliablePropose, evTx, expectedResults);
+    }
+
+    ui32 NSchemeShardUT_Private::TTestEnv::ReliablePropose(
         NActors::TTestActorRuntime& runtime, TEvSchemeShard::TEvCancelTx* evTx,
         const TVector<TEvSchemeShard::EStatus>& expectedResults)
-    { 
+    {
         return ReliableProposeImpl<TEvSchemeShard::TEvCancelTxResult>(
-            runtime, TxReliablePropose, evTx, expectedResults); 
-    } 
- 
-    ui32 NSchemeShardUT_Private::TTestEnv::ReliablePropose( 
-        NActors::TTestActorRuntime& runtime, TEvExport::TEvCancelExportRequest* ev, 
-        const TVector<Ydb::StatusIds::StatusCode>& expectedStatuses) 
-    { 
-        return ReliableProposeImpl<TEvExport::TEvCancelExportResponse>( 
-            runtime, TxReliablePropose, ev, expectedStatuses); 
-    } 
- 
-    ui32 NSchemeShardUT_Private::TTestEnv::ReliablePropose( 
-        NActors::TTestActorRuntime& runtime, TEvExport::TEvForgetExportRequest* ev, 
-        const TVector<Ydb::StatusIds::StatusCode>& expectedStatuses) 
-    { 
-        return ReliableProposeImpl<TEvExport::TEvForgetExportResponse>( 
-            runtime, TxReliablePropose, ev, expectedStatuses); 
-    } 
- 
-    ui32 NSchemeShardUT_Private::TTestEnv::ReliablePropose( 
-        NActors::TTestActorRuntime& runtime, TEvImport::TEvCancelImportRequest* ev, 
-        const TVector<Ydb::StatusIds::StatusCode>& expectedStatuses) 
-    { 
-        return ReliableProposeImpl<TEvImport::TEvCancelImportResponse>( 
-            runtime, TxReliablePropose, ev, expectedStatuses); 
-    } 
- 
+            runtime, TxReliablePropose, evTx, expectedResults);
+    }
+
+    ui32 NSchemeShardUT_Private::TTestEnv::ReliablePropose(
+        NActors::TTestActorRuntime& runtime, TEvExport::TEvCancelExportRequest* ev,
+        const TVector<Ydb::StatusIds::StatusCode>& expectedStatuses)
+    {
+        return ReliableProposeImpl<TEvExport::TEvCancelExportResponse>(
+            runtime, TxReliablePropose, ev, expectedStatuses);
+    }
+
+    ui32 NSchemeShardUT_Private::TTestEnv::ReliablePropose(
+        NActors::TTestActorRuntime& runtime, TEvExport::TEvForgetExportRequest* ev,
+        const TVector<Ydb::StatusIds::StatusCode>& expectedStatuses)
+    {
+        return ReliableProposeImpl<TEvExport::TEvForgetExportResponse>(
+            runtime, TxReliablePropose, ev, expectedStatuses);
+    }
+
+    ui32 NSchemeShardUT_Private::TTestEnv::ReliablePropose(
+        NActors::TTestActorRuntime& runtime, TEvImport::TEvCancelImportRequest* ev,
+        const TVector<Ydb::StatusIds::StatusCode>& expectedStatuses)
+    {
+        return ReliableProposeImpl<TEvImport::TEvCancelImportResponse>(
+            runtime, TxReliablePropose, ev, expectedStatuses);
+    }
+
     NKikimrSchemeOp::TAlterUserAttributes AlterUserAttrs(const TVector<std::pair<TString, TString>>& add, const TVector<TString>& drop) {
         NKikimrSchemeOp::TAlterUserAttributes result;
         for (const auto& item: add) {
@@ -160,9 +160,9 @@ namespace NSchemeShardUT_Private {
 
         auto op = transaction->MutableModifyACL();
         op->SetName(name);
-        if (diffAcl) { 
-            op->SetDiffACL(diffAcl); 
-        } 
+        if (diffAcl) {
+            op->SetDiffACL(diffAcl);
+        }
         if (newOwner) {
             op->SetNewOwner(newOwner);
         }
@@ -197,7 +197,7 @@ namespace NSchemeShardUT_Private {
     NKikimrScheme::TEvDescribeSchemeResult DescribePath(TTestActorRuntime& runtime, ui64 schemeShard, const TString& path, const NKikimrSchemeOp::TDescribeOptions& opts) {
         TActorId sender = runtime.AllocateEdgeActor();
         auto evLs = new TEvSchemeShard::TEvDescribeScheme(path);
-        evLs->Record.MutableOptions()->CopyFrom(opts); 
+        evLs->Record.MutableOptions()->CopyFrom(opts);
         ForwardToTablet(runtime, schemeShard, sender, evLs);
         TAutoPtr<IEventHandle> handle;
         auto event = runtime.GrabEdgeEvent<TEvSchemeShard::TEvDescribeSchemeResult>(handle);
@@ -220,32 +220,32 @@ namespace NSchemeShardUT_Private {
 
     NKikimrScheme::TEvDescribeSchemeResult DescribePath(TTestActorRuntime& runtime, const TString& path, const NKikimrSchemeOp::TDescribeOptions& opts) {
         return DescribePath(runtime, TTestTxConfig::SchemeShard, path, opts);
-    } 
- 
+    }
+
     NKikimrScheme::TEvDescribeSchemeResult DescribePathId(TTestActorRuntime& runtime, ui64 pathId, const NKikimrSchemeOp::TDescribeOptions& opts = { }) {
         return DescribePathId(runtime, TTestTxConfig::SchemeShard, pathId, opts);
     }
 
-    NKikimrScheme::TEvDescribeSchemeResult DescribePrivatePath(TTestActorRuntime& runtime, ui64 schemeShard, const TString& path, bool returnPartitioning, bool returnBoundaries) { 
-        return DescribePath(runtime, schemeShard, path, returnPartitioning, returnBoundaries, true); 
-    } 
- 
-    NKikimrScheme::TEvDescribeSchemeResult DescribePath(TTestActorRuntime& runtime, ui64 schemeShard, const TString& path, bool returnPartitioning, bool returnBoundaries, bool showPrivate, bool returnBackups) { 
+    NKikimrScheme::TEvDescribeSchemeResult DescribePrivatePath(TTestActorRuntime& runtime, ui64 schemeShard, const TString& path, bool returnPartitioning, bool returnBoundaries) {
+        return DescribePath(runtime, schemeShard, path, returnPartitioning, returnBoundaries, true);
+    }
+
+    NKikimrScheme::TEvDescribeSchemeResult DescribePath(TTestActorRuntime& runtime, ui64 schemeShard, const TString& path, bool returnPartitioning, bool returnBoundaries, bool showPrivate, bool returnBackups) {
         NKikimrSchemeOp::TDescribeOptions opts;
-        opts.SetReturnPartitioningInfo(returnPartitioning); 
-        opts.SetReturnPartitionConfig(returnPartitioning); 
-        opts.SetBackupInfo(returnBackups); 
-        opts.SetReturnBoundaries(returnBoundaries); 
-        opts.SetShowPrivateTable(showPrivate); 
- 
-        return DescribePath(runtime, schemeShard, path, opts); 
-    } 
- 
-    NKikimrScheme::TEvDescribeSchemeResult DescribePrivatePath(TTestActorRuntime& runtime, const TString& path, bool returnPartitioning, bool returnBoundaries) { 
+        opts.SetReturnPartitioningInfo(returnPartitioning);
+        opts.SetReturnPartitionConfig(returnPartitioning);
+        opts.SetBackupInfo(returnBackups);
+        opts.SetReturnBoundaries(returnBoundaries);
+        opts.SetShowPrivateTable(showPrivate);
+
+        return DescribePath(runtime, schemeShard, path, opts);
+    }
+
+    NKikimrScheme::TEvDescribeSchemeResult DescribePrivatePath(TTestActorRuntime& runtime, const TString& path, bool returnPartitioning, bool returnBoundaries) {
         return DescribePath(runtime, TTestTxConfig::SchemeShard, path, returnPartitioning, returnBoundaries, true);
     }
 
-    NKikimrScheme::TEvDescribeSchemeResult DescribePath(TTestActorRuntime& runtime, const TString& path, bool returnPartitioning, bool returnBoundaries, bool showPrivate, bool returnBackups) { 
+    NKikimrScheme::TEvDescribeSchemeResult DescribePath(TTestActorRuntime& runtime, const TString& path, bool returnPartitioning, bool returnBoundaries, bool showPrivate, bool returnBackups) {
         return DescribePath(runtime, TTestTxConfig::SchemeShard, path, returnPartitioning, returnBoundaries, showPrivate, returnBackups);
     }
 
@@ -427,384 +427,384 @@ namespace NSchemeShardUT_Private {
         TestUnlock(runtime, TTestTxConfig::SchemeShard, txId, lockId, parentPath, name, expectedResults);
     }
 
-    template <typename T> 
-    using TModifySchemeFunc = T*(NKikimrSchemeOp::TModifyScheme::*)(); 
- 
-    // Generic 
-    template <typename T> 
-    auto CreateTransaction(const TString& parentPath, const TString& scheme, const TApplyIf& applyIf, 
-            NKikimrSchemeOp::EOperationType type, TModifySchemeFunc<T> func) 
-    { 
-        NKikimrSchemeOp::TModifyScheme tx; 
- 
-        tx.SetOperationType(type); 
-        tx.SetWorkingDir(parentPath); 
-        SetApplyIf(tx, applyIf); 
- 
-        const bool ok = google::protobuf::TextFormat::ParseFromString(scheme, std::apply(func, std::tie(tx))); 
-        UNIT_ASSERT_C(ok, "protobuf parsing failed"); 
- 
-        return tx; 
-    } 
- 
-    // SplitMerge 
-    template <> 
-    auto CreateTransaction(const TString& tablePath, const TString& scheme, const TApplyIf& applyIf, 
-            NKikimrSchemeOp::EOperationType type, TModifySchemeFunc<NKikimrSchemeOp::TSplitMergeTablePartitions> func) 
-    { 
-        NKikimrSchemeOp::TModifyScheme tx; 
- 
-        tx.SetOperationType(type); 
-        SetApplyIf(tx, applyIf); 
- 
-        const bool ok = google::protobuf::TextFormat::ParseFromString(scheme, std::apply(func, std::tie(tx))); 
-        UNIT_ASSERT_C(ok, "protobuf parsing failed"); 
-        tx.MutableSplitMergeTablePartitions()->SetTablePath(tablePath); 
- 
-        return tx; 
-    } 
- 
-    // Drop 
-    template <> 
-    auto CreateTransaction(const TString& parentPath, const TString& name, const TApplyIf& applyIf, 
-            NKikimrSchemeOp::EOperationType type, TModifySchemeFunc<NKikimrSchemeOp::TDrop> func) 
-    { 
-        NKikimrSchemeOp::TModifyScheme tx; 
- 
-        tx.SetOperationType(type); 
-        tx.SetWorkingDir(parentPath); 
-        SetApplyIf(tx, applyIf); 
- 
-        std::apply(func, std::tie(tx))->SetName(name); 
-
-        return tx; 
-    }
-
-    // Backup 
-    template <> 
-    auto CreateTransaction(const TString& parentPath, const TString& tableName, const TApplyIf& applyIf, 
-            NKikimrSchemeOp::EOperationType type, TModifySchemeFunc<NKikimrSchemeOp::TBackupTask> func) 
+    template <typename T>
+    using TModifySchemeFunc = T*(NKikimrSchemeOp::TModifyScheme::*)();
+
+    // Generic
+    template <typename T>
+    auto CreateTransaction(const TString& parentPath, const TString& scheme, const TApplyIf& applyIf,
+            NKikimrSchemeOp::EOperationType type, TModifySchemeFunc<T> func)
     {
-        NKikimrSchemeOp::TModifyScheme tx; 
+        NKikimrSchemeOp::TModifyScheme tx;
 
-        tx.SetOperationType(type); 
-        tx.SetWorkingDir(parentPath); 
-        SetApplyIf(tx, applyIf); 
+        tx.SetOperationType(type);
+        tx.SetWorkingDir(parentPath);
+        SetApplyIf(tx, applyIf);
 
-        auto task = std::apply(func, std::tie(tx)); 
+        const bool ok = google::protobuf::TextFormat::ParseFromString(scheme, std::apply(func, std::tie(tx)));
+        UNIT_ASSERT_C(ok, "protobuf parsing failed");
+
+        return tx;
+    }
 
-        task->SetTableName(tableName); 
-        auto& settings = *task->MutableYTSettings(); 
+    // SplitMerge
+    template <>
+    auto CreateTransaction(const TString& tablePath, const TString& scheme, const TApplyIf& applyIf,
+            NKikimrSchemeOp::EOperationType type, TModifySchemeFunc<NKikimrSchemeOp::TSplitMergeTablePartitions> func)
+    {
+        NKikimrSchemeOp::TModifyScheme tx;
 
-        TString ytHost; 
-        TMaybe<ui16> ytPort; 
-        Split(GetEnv("YT_PROXY"), ':', ytHost, ytPort); 
+        tx.SetOperationType(type);
+        SetApplyIf(tx, applyIf);
 
-        settings.SetHost(ytHost); 
-        settings.SetPort(ytPort.GetOrElse(80)); 
-        settings.SetTablePattern("<append=true>//tmp/table"); 
+        const bool ok = google::protobuf::TextFormat::ParseFromString(scheme, std::apply(func, std::tie(tx)));
+        UNIT_ASSERT_C(ok, "protobuf parsing failed");
+        tx.MutableSplitMergeTablePartitions()->SetTablePath(tablePath);
 
-        return tx; 
+        return tx;
     }
 
-    // Generic with attrs 
-    template <typename T> 
-    auto CreateTransaction(const TString& parentPath, const TString& scheme, 
-            const NKikimrSchemeOp::TAlterUserAttributes& userAttrs, const TApplyIf& applyIf, 
-            NKikimrSchemeOp::EOperationType type, TModifySchemeFunc<T> func) 
+    // Drop
+    template <>
+    auto CreateTransaction(const TString& parentPath, const TString& name, const TApplyIf& applyIf,
+            NKikimrSchemeOp::EOperationType type, TModifySchemeFunc<NKikimrSchemeOp::TDrop> func)
     {
-        NKikimrSchemeOp::TModifyScheme tx; 
+        NKikimrSchemeOp::TModifyScheme tx;
 
-        tx.SetOperationType(type); 
-        tx.SetWorkingDir(parentPath); 
-        if (userAttrs.UserAttributesSize()) { 
-            tx.MutableAlterUserAttributes()->CopyFrom(userAttrs); 
-        } 
-        SetApplyIf(tx, applyIf); 
+        tx.SetOperationType(type);
+        tx.SetWorkingDir(parentPath);
+        SetApplyIf(tx, applyIf);
 
-        const bool ok = google::protobuf::TextFormat::ParseFromString(scheme, std::apply(func, std::tie(tx))); 
-        UNIT_ASSERT_C(ok, "protobuf parsing failed"); 
+        std::apply(func, std::tie(tx))->SetName(name);
 
-        return tx; 
+        return tx;
     }
 
-    // MkDir 
-    template <> 
-    auto CreateTransaction(const TString& parentPath, const TString& name, 
-            const NKikimrSchemeOp::TAlterUserAttributes& userAttrs, const TApplyIf& applyIf, 
-            NKikimrSchemeOp::EOperationType type, TModifySchemeFunc<NKikimrSchemeOp::TMkDir> func) 
+    // Backup
+    template <>
+    auto CreateTransaction(const TString& parentPath, const TString& tableName, const TApplyIf& applyIf,
+            NKikimrSchemeOp::EOperationType type, TModifySchemeFunc<NKikimrSchemeOp::TBackupTask> func)
     {
-        NKikimrSchemeOp::TModifyScheme tx; 
+        NKikimrSchemeOp::TModifyScheme tx;
+
+        tx.SetOperationType(type);
+        tx.SetWorkingDir(parentPath);
+        SetApplyIf(tx, applyIf);
+
+        auto task = std::apply(func, std::tie(tx));
 
-        tx.SetOperationType(type); 
-        tx.SetWorkingDir(parentPath); 
-        if (userAttrs.UserAttributesSize()) { 
-            tx.MutableAlterUserAttributes()->CopyFrom(userAttrs); 
-        } 
-        SetApplyIf(tx, applyIf); 
+        task->SetTableName(tableName);
+        auto& settings = *task->MutableYTSettings();
 
-        std::apply(func, std::tie(tx))->SetName(name); 
+        TString ytHost;
+        TMaybe<ui16> ytPort;
+        Split(GetEnv("YT_PROXY"), ':', ytHost, ytPort);
 
-        return tx; 
+        settings.SetHost(ytHost);
+        settings.SetPort(ytPort.GetOrElse(80));
+        settings.SetTablePattern("<append=true>//tmp/table");
+
+        return tx;
     }
 
-    // AlterUserAttrs 
-    template <> 
-    auto CreateTransaction(const TString& parentPath, const TString& name, 
-            const NKikimrSchemeOp::TAlterUserAttributes& userAttrs, const TApplyIf& applyIf, 
-            NKikimrSchemeOp::EOperationType type, TModifySchemeFunc<NKikimrSchemeOp::TAlterUserAttributes> func) 
+    // Generic with attrs
+    template <typename T>
+    auto CreateTransaction(const TString& parentPath, const TString& scheme,
+            const NKikimrSchemeOp::TAlterUserAttributes& userAttrs, const TApplyIf& applyIf,
+            NKikimrSchemeOp::EOperationType type, TModifySchemeFunc<T> func)
     {
-        NKikimrSchemeOp::TModifyScheme tx; 
+        NKikimrSchemeOp::TModifyScheme tx;
 
-        tx.SetOperationType(type); 
-        tx.SetWorkingDir(parentPath); 
-        tx.MutableAlterUserAttributes()->CopyFrom(userAttrs); 
-        SetApplyIf(tx, applyIf); 
+        tx.SetOperationType(type);
+        tx.SetWorkingDir(parentPath);
+        if (userAttrs.UserAttributesSize()) {
+            tx.MutableAlterUserAttributes()->CopyFrom(userAttrs);
+        }
+        SetApplyIf(tx, applyIf);
 
-        std::apply(func, std::tie(tx))->SetPathName(name); 
+        const bool ok = google::protobuf::TextFormat::ParseFromString(scheme, std::apply(func, std::tie(tx)));
+        UNIT_ASSERT_C(ok, "protobuf parsing failed");
 
-        return tx; 
+        return tx;
     }
 
-    // Drop by pathId 
-    auto CreateTransaction(ui64 pathId, const TApplyIf& applyIf, NKikimrSchemeOp::EOperationType type) { 
-        NKikimrSchemeOp::TModifyScheme tx; 
+    // MkDir
+    template <>
+    auto CreateTransaction(const TString& parentPath, const TString& name,
+            const NKikimrSchemeOp::TAlterUserAttributes& userAttrs, const TApplyIf& applyIf,
+            NKikimrSchemeOp::EOperationType type, TModifySchemeFunc<NKikimrSchemeOp::TMkDir> func)
+    {
+        NKikimrSchemeOp::TModifyScheme tx;
+
+        tx.SetOperationType(type);
+        tx.SetWorkingDir(parentPath);
+        if (userAttrs.UserAttributesSize()) {
+            tx.MutableAlterUserAttributes()->CopyFrom(userAttrs);
+        }
+        SetApplyIf(tx, applyIf);
 
-        tx.SetOperationType(type); 
-        tx.MutableDrop()->SetId(pathId); 
-        SetApplyIf(tx, applyIf); 
+        std::apply(func, std::tie(tx))->SetName(name);
 
-        return tx; 
+        return tx;
     }
 
-    TEvTx* CreateRequest(ui64 schemeShardId, ui64 txId, NKikimrSchemeOp::TModifyScheme&& tx) { 
-        auto ev = new TEvTx(txId, schemeShardId); 
-        *ev->Record.AddTransaction() = std::move(tx); 
+    // AlterUserAttrs
+    template <>
+    auto CreateTransaction(const TString& parentPath, const TString& name,
+            const NKikimrSchemeOp::TAlterUserAttributes& userAttrs, const TApplyIf& applyIf,
+            NKikimrSchemeOp::EOperationType type, TModifySchemeFunc<NKikimrSchemeOp::TAlterUserAttributes> func)
+    {
+        NKikimrSchemeOp::TModifyScheme tx;
+
+        tx.SetOperationType(type);
+        tx.SetWorkingDir(parentPath);
+        tx.MutableAlterUserAttributes()->CopyFrom(userAttrs);
+        SetApplyIf(tx, applyIf);
 
-        return ev; 
+        std::apply(func, std::tie(tx))->SetPathName(name);
+
+        return tx;
+    }
+
+    // Drop by pathId
+    auto CreateTransaction(ui64 pathId, const TApplyIf& applyIf, NKikimrSchemeOp::EOperationType type) {
+        NKikimrSchemeOp::TModifyScheme tx;
+
+        tx.SetOperationType(type);
+        tx.MutableDrop()->SetId(pathId);
+        SetApplyIf(tx, applyIf);
+
+        return tx;
     }
 
-    #define GENERIC_HELPERS(name, op, func) \ 
-        TEvTx* name##Request(ui64 schemeShardId, ui64 txId, const TString& parentPath, const TString& scheme, const TApplyIf& applyIf) { \ 
-            return CreateRequest(schemeShardId, txId, CreateTransaction(parentPath, scheme, applyIf, op, func)); \ 
-        } \ 
-        \ 
-        TEvTx* name##Request(ui64 txId, const TString& parentPath, const TString& scheme, const TApplyIf& applyIf) { \ 
+    TEvTx* CreateRequest(ui64 schemeShardId, ui64 txId, NKikimrSchemeOp::TModifyScheme&& tx) {
+        auto ev = new TEvTx(txId, schemeShardId);
+        *ev->Record.AddTransaction() = std::move(tx);
+
+        return ev;
+    }
+
+    #define GENERIC_HELPERS(name, op, func) \
+        TEvTx* name##Request(ui64 schemeShardId, ui64 txId, const TString& parentPath, const TString& scheme, const TApplyIf& applyIf) { \
+            return CreateRequest(schemeShardId, txId, CreateTransaction(parentPath, scheme, applyIf, op, func)); \
+        } \
+        \
+        TEvTx* name##Request(ui64 txId, const TString& parentPath, const TString& scheme, const TApplyIf& applyIf) { \
             return name##Request(TTestTxConfig::SchemeShard, txId, parentPath, scheme, applyIf); \
-        } \ 
-        \ 
-        void Async##name(TTestActorRuntime& runtime, ui64 schemeShardId, ui64 txId, const TString& parentPath, const TString& scheme, const TApplyIf& applyIf) { \ 
+        } \
+        \
+        void Async##name(TTestActorRuntime& runtime, ui64 schemeShardId, ui64 txId, const TString& parentPath, const TString& scheme, const TApplyIf& applyIf) { \
             ForwardToTablet(runtime, schemeShardId, runtime.AllocateEdgeActor(), \
-                name##Request(schemeShardId, txId, parentPath, scheme, applyIf)); \ 
-        } \ 
-        \ 
-        void Async##name(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& scheme, const TApplyIf& applyIf) { \ 
+                name##Request(schemeShardId, txId, parentPath, scheme, applyIf)); \
+        } \
+        \
+        void Async##name(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& scheme, const TApplyIf& applyIf) { \
             Async##name(runtime, TTestTxConfig::SchemeShard, txId, parentPath, scheme, applyIf); \
-        } \ 
-        \ 
-        ui64 Test##name(TTestActorRuntime& runtime, ui64 schemeShardId, ui64 txId, const TString& parentPath, const TString& scheme, \ 
-                const TVector<TEvSchemeShard::EStatus>& expectedResults, const TApplyIf& applyIf) \ 
-        { \ 
-            Async##name(runtime, schemeShardId, txId, parentPath, scheme, applyIf); \ 
-            return TestModificationResults(runtime, txId, expectedResults); \ 
-        } \ 
-        \ 
-        ui64 Test##name(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& scheme, \ 
-                const TVector<TEvSchemeShard::EStatus>& expectedResults, const TApplyIf& applyIf) \ 
-        { \ 
+        } \
+        \
+        ui64 Test##name(TTestActorRuntime& runtime, ui64 schemeShardId, ui64 txId, const TString& parentPath, const TString& scheme, \
+                const TVector<TEvSchemeShard::EStatus>& expectedResults, const TApplyIf& applyIf) \
+        { \
+            Async##name(runtime, schemeShardId, txId, parentPath, scheme, applyIf); \
+            return TestModificationResults(runtime, txId, expectedResults); \
+        } \
+        \
+        ui64 Test##name(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& scheme, \
+                const TVector<TEvSchemeShard::EStatus>& expectedResults, const TApplyIf& applyIf) \
+        { \
             return Test##name(runtime, TTestTxConfig::SchemeShard, txId, parentPath, scheme, expectedResults, applyIf); \
-        } 
-
-    #define GENERIC_WITH_ATTRS_HELPERS(name, op, func) \ 
-        TEvTx* name##Request(ui64 schemeShardId, ui64 txId, const TString& parentPath, const TString& scheme, \ 
-                const NKikimrSchemeOp::TAlterUserAttributes& userAttrs, const TApplyIf& applyIf) \ 
-        { \ 
-            return CreateRequest(schemeShardId, txId, CreateTransaction(parentPath, scheme, userAttrs, applyIf, op, func)); \ 
-        } \ 
-        \ 
-        TEvTx* name##Request(ui64 txId, const TString& parentPath, const TString& scheme, \ 
-                const NKikimrSchemeOp::TAlterUserAttributes& userAttrs, const TApplyIf& applyIf) \ 
-        { \ 
+        }
+
+    #define GENERIC_WITH_ATTRS_HELPERS(name, op, func) \
+        TEvTx* name##Request(ui64 schemeShardId, ui64 txId, const TString& parentPath, const TString& scheme, \
+                const NKikimrSchemeOp::TAlterUserAttributes& userAttrs, const TApplyIf& applyIf) \
+        { \
+            return CreateRequest(schemeShardId, txId, CreateTransaction(parentPath, scheme, userAttrs, applyIf, op, func)); \
+        } \
+        \
+        TEvTx* name##Request(ui64 txId, const TString& parentPath, const TString& scheme, \
+                const NKikimrSchemeOp::TAlterUserAttributes& userAttrs, const TApplyIf& applyIf) \
+        { \
             return name##Request(TTestTxConfig::SchemeShard, txId, parentPath, scheme, userAttrs, applyIf); \
-        } \ 
-        \ 
-        void Async##name(TTestActorRuntime& runtime, ui64 schemeShardId, ui64 txId, const TString& parentPath, const TString& scheme, \ 
-                const NKikimrSchemeOp::TAlterUserAttributes& userAttrs, const TApplyIf& applyIf) \ 
-        { \ 
-            TEvTx* req = name##Request(schemeShardId, txId, parentPath, scheme, userAttrs, applyIf); \ 
-            if (req->Record.GetTransaction(0).GetOperationType() == NKikimrSchemeOp::EOperationType::ESchemeOpCreateSubDomain) { \ 
-                for (const auto& [kind, pool] : runtime.GetAppData().DomainsInfo->GetDomain(0).StoragePoolTypes) { \ 
-                    auto* pbPool = req->Record.MutableTransaction(0)->MutableSubDomain()->AddStoragePools(); \ 
-                    pbPool->SetKind(kind); \ 
-                    pbPool->SetName(pool.GetName()); \ 
-                } \ 
-            } \ 
+        } \
+        \
+        void Async##name(TTestActorRuntime& runtime, ui64 schemeShardId, ui64 txId, const TString& parentPath, const TString& scheme, \
+                const NKikimrSchemeOp::TAlterUserAttributes& userAttrs, const TApplyIf& applyIf) \
+        { \
+            TEvTx* req = name##Request(schemeShardId, txId, parentPath, scheme, userAttrs, applyIf); \
+            if (req->Record.GetTransaction(0).GetOperationType() == NKikimrSchemeOp::EOperationType::ESchemeOpCreateSubDomain) { \
+                for (const auto& [kind, pool] : runtime.GetAppData().DomainsInfo->GetDomain(0).StoragePoolTypes) { \
+                    auto* pbPool = req->Record.MutableTransaction(0)->MutableSubDomain()->AddStoragePools(); \
+                    pbPool->SetKind(kind); \
+                    pbPool->SetName(pool.GetName()); \
+                } \
+            } \
             ForwardToTablet(runtime, schemeShardId, runtime.AllocateEdgeActor(), req); \
-        } \ 
-        \ 
-        void Async##name(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& scheme, \ 
-                const NKikimrSchemeOp::TAlterUserAttributes& userAttrs, const TApplyIf& applyIf) \ 
-        { \ 
+        } \
+        \
+        void Async##name(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& scheme, \
+                const NKikimrSchemeOp::TAlterUserAttributes& userAttrs, const TApplyIf& applyIf) \
+        { \
             Async##name(runtime, TTestTxConfig::SchemeShard, txId, parentPath, scheme, userAttrs, applyIf); \
-        } \ 
-        \ 
-        ui64 Test##name(TTestActorRuntime& runtime, ui64 schemeShardId, ui64 txId, const TString& parentPath, const TString& scheme, \ 
-                const TVector<TEvSchemeShard::EStatus>& expectedResults, const NKikimrSchemeOp::TAlterUserAttributes& userAttrs, const TApplyIf& applyIf) \ 
-        { \ 
-            Async##name(runtime, schemeShardId, txId, parentPath, scheme, userAttrs, applyIf); \ 
-            return TestModificationResults(runtime, txId, expectedResults); \ 
-        } \ 
-        \ 
-        ui64 Test##name(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& scheme, \ 
-                const TVector<TEvSchemeShard::EStatus>& expectedResults, const NKikimrSchemeOp::TAlterUserAttributes& userAttrs, const TApplyIf& applyIf) \ 
-        { \ 
+        } \
+        \
+        ui64 Test##name(TTestActorRuntime& runtime, ui64 schemeShardId, ui64 txId, const TString& parentPath, const TString& scheme, \
+                const TVector<TEvSchemeShard::EStatus>& expectedResults, const NKikimrSchemeOp::TAlterUserAttributes& userAttrs, const TApplyIf& applyIf) \
+        { \
+            Async##name(runtime, schemeShardId, txId, parentPath, scheme, userAttrs, applyIf); \
+            return TestModificationResults(runtime, txId, expectedResults); \
+        } \
+        \
+        ui64 Test##name(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& scheme, \
+                const TVector<TEvSchemeShard::EStatus>& expectedResults, const NKikimrSchemeOp::TAlterUserAttributes& userAttrs, const TApplyIf& applyIf) \
+        { \
             return Test##name(runtime, TTestTxConfig::SchemeShard, txId, parentPath, scheme, expectedResults, userAttrs, applyIf); \
-        } 
-
-    #define DROP_BY_PATH_ID_HELPERS(name, op) \ 
-        TEvTx* name##Request(ui64 schemeShardId, ui64 txId, ui64 pathId, const TApplyIf& applyIf) { \ 
-            return CreateRequest(schemeShardId, txId, CreateTransaction(pathId, applyIf, op)); \ 
-        } \ 
-        \ 
-        TEvTx* name##Request(ui64 txId, ui64 pathId, const TApplyIf& applyIf) { \ 
+        }
+
+    #define DROP_BY_PATH_ID_HELPERS(name, op) \
+        TEvTx* name##Request(ui64 schemeShardId, ui64 txId, ui64 pathId, const TApplyIf& applyIf) { \
+            return CreateRequest(schemeShardId, txId, CreateTransaction(pathId, applyIf, op)); \
+        } \
+        \
+        TEvTx* name##Request(ui64 txId, ui64 pathId, const TApplyIf& applyIf) { \
             return name##Request(TTestTxConfig::SchemeShard, txId, pathId, applyIf); \
-        } \ 
-        \ 
-        void Async##name(TTestActorRuntime& runtime, ui64 schemeShardId, ui64 txId, ui64 pathId, const TApplyIf& applyIf) { \ 
+        } \
+        \
+        void Async##name(TTestActorRuntime& runtime, ui64 schemeShardId, ui64 txId, ui64 pathId, const TApplyIf& applyIf) { \
             ForwardToTablet(runtime, schemeShardId, runtime.AllocateEdgeActor(), \
-                name##Request(schemeShardId, txId, pathId, applyIf)); \ 
-        } \ 
-        \ 
-        void Async##name(TTestActorRuntime& runtime, ui64 txId, ui64 pathId, const TApplyIf& applyIf) { \ 
+                name##Request(schemeShardId, txId, pathId, applyIf)); \
+        } \
+        \
+        void Async##name(TTestActorRuntime& runtime, ui64 txId, ui64 pathId, const TApplyIf& applyIf) { \
             Async##name(runtime, TTestTxConfig::SchemeShard, txId, pathId, applyIf); \
-        } \ 
-        \ 
-        ui64 Test##name(TTestActorRuntime& runtime, ui64 schemeShardId, ui64 txId, ui64 pathId, \ 
-                const TVector<TEvSchemeShard::EStatus>& expectedResults, const TApplyIf& applyIf) \ 
-        { \ 
-            Async##name(runtime, schemeShardId, txId, pathId, applyIf); \ 
-            return TestModificationResults(runtime, txId, expectedResults); \ 
-        } \ 
-        \ 
-        ui64 Test##name(TTestActorRuntime& runtime, ui64 txId, ui64 pathId, \ 
-                const TVector<TEvSchemeShard::EStatus>& expectedResults, const TApplyIf& applyIf) \ 
-        { \ 
+        } \
+        \
+        ui64 Test##name(TTestActorRuntime& runtime, ui64 schemeShardId, ui64 txId, ui64 pathId, \
+                const TVector<TEvSchemeShard::EStatus>& expectedResults, const TApplyIf& applyIf) \
+        { \
+            Async##name(runtime, schemeShardId, txId, pathId, applyIf); \
+            return TestModificationResults(runtime, txId, expectedResults); \
+        } \
+        \
+        ui64 Test##name(TTestActorRuntime& runtime, ui64 txId, ui64 pathId, \
+                const TVector<TEvSchemeShard::EStatus>& expectedResults, const TApplyIf& applyIf) \
+        { \
             return Test##name(runtime, TTestTxConfig::SchemeShard, txId, pathId, expectedResults, applyIf); \
-        } 
-
-    // subdomain 
-    GENERIC_WITH_ATTRS_HELPERS(CreateSubDomain, NKikimrSchemeOp::EOperationType::ESchemeOpCreateSubDomain, &NKikimrSchemeOp::TModifyScheme::MutableSubDomain) 
-    GENERIC_HELPERS(AlterSubDomain, NKikimrSchemeOp::EOperationType::ESchemeOpAlterSubDomain, &NKikimrSchemeOp::TModifyScheme::MutableSubDomain) 
-    GENERIC_HELPERS(DropSubDomain, NKikimrSchemeOp::EOperationType::ESchemeOpDropSubDomain, &NKikimrSchemeOp::TModifyScheme::MutableDrop) 
-    GENERIC_HELPERS(ForceDropSubDomain, NKikimrSchemeOp::EOperationType::ESchemeOpForceDropSubDomain, &NKikimrSchemeOp::TModifyScheme::MutableDrop) 
-
-    // ext subdomain 
-    GENERIC_WITH_ATTRS_HELPERS(CreateExtSubDomain, NKikimrSchemeOp::EOperationType::ESchemeOpCreateExtSubDomain, &NKikimrSchemeOp::TModifyScheme::MutableSubDomain) 
-    GENERIC_WITH_ATTRS_HELPERS(AlterExtSubDomain, NKikimrSchemeOp::EOperationType::ESchemeOpAlterExtSubDomain, &NKikimrSchemeOp::TModifyScheme::MutableSubDomain) 
-    GENERIC_HELPERS(ForceDropExtSubDomain, NKikimrSchemeOp::EOperationType::ESchemeOpForceDropExtSubDomain, &NKikimrSchemeOp::TModifyScheme::MutableDrop) 
-
-    // dir 
-    GENERIC_WITH_ATTRS_HELPERS(MkDir, NKikimrSchemeOp::EOperationType::ESchemeOpMkDir, &NKikimrSchemeOp::TModifyScheme::MutableMkDir) 
-    GENERIC_HELPERS(RmDir, NKikimrSchemeOp::EOperationType::ESchemeOpRmDir, &NKikimrSchemeOp::TModifyScheme::MutableDrop) 
-    DROP_BY_PATH_ID_HELPERS(ForceDropUnsafe, NKikimrSchemeOp::EOperationType::ESchemeOpForceDropUnsafe) 
-
-    // user attrs 
-    GENERIC_WITH_ATTRS_HELPERS(UserAttrs, NKikimrSchemeOp::EOperationType::ESchemeOpAlterUserAttributes, &NKikimrSchemeOp::TModifyScheme::MutableAlterUserAttributes) 
-
-    // table 
-    GENERIC_WITH_ATTRS_HELPERS(CreateTable, NKikimrSchemeOp::EOperationType::ESchemeOpCreateTable, &NKikimrSchemeOp::TModifyScheme::MutableCreateTable) 
-    GENERIC_HELPERS(CreateIndexedTable, NKikimrSchemeOp::EOperationType::ESchemeOpCreateIndexedTable, &NKikimrSchemeOp::TModifyScheme::MutableCreateIndexedTable) 
-    GENERIC_HELPERS(ConsistentCopyTables, NKikimrSchemeOp::EOperationType::ESchemeOpCreateConsistentCopyTables, &NKikimrSchemeOp::TModifyScheme::MutableCreateConsistentCopyTables) 
-    GENERIC_HELPERS(AlterTable, NKikimrSchemeOp::EOperationType::ESchemeOpAlterTable, &NKikimrSchemeOp::TModifyScheme::MutableAlterTable) 
-    GENERIC_HELPERS(SplitTable, NKikimrSchemeOp::EOperationType::ESchemeOpSplitMergeTablePartitions, &NKikimrSchemeOp::TModifyScheme::MutableSplitMergeTablePartitions) 
-    GENERIC_HELPERS(DropTable, NKikimrSchemeOp::EOperationType::ESchemeOpDropTable, &NKikimrSchemeOp::TModifyScheme::MutableDrop) 
-    DROP_BY_PATH_ID_HELPERS(DropTable, NKikimrSchemeOp::EOperationType::ESchemeOpDropTable) 
-    GENERIC_HELPERS(DropTableIndex, NKikimrSchemeOp::EOperationType::ESchemeOpDropIndex, &NKikimrSchemeOp::TModifyScheme::MutableDropIndex) 
-
-    // backup & restore 
-    GENERIC_HELPERS(BackupTable, NKikimrSchemeOp::EOperationType::ESchemeOpBackup, &NKikimrSchemeOp::TModifyScheme::MutableBackup) 
-    GENERIC_HELPERS(Restore, NKikimrSchemeOp::EOperationType::ESchemeOpRestore, &NKikimrSchemeOp::TModifyScheme::MutableRestore) 
-
-    // cdc stream 
-    GENERIC_HELPERS(CreateCdcStream, NKikimrSchemeOp::EOperationType::ESchemeOpCreateCdcStream, &NKikimrSchemeOp::TModifyScheme::MutableCreateCdcStream) 
-    GENERIC_HELPERS(AlterCdcStream, NKikimrSchemeOp::EOperationType::ESchemeOpAlterCdcStream, &NKikimrSchemeOp::TModifyScheme::MutableAlterCdcStream) 
-    GENERIC_HELPERS(DropCdcStream, NKikimrSchemeOp::EOperationType::ESchemeOpDropCdcStream, &NKikimrSchemeOp::TModifyScheme::MutableDropCdcStream) 
-
-    // olap store 
+        }
+
+    // subdomain
+    GENERIC_WITH_ATTRS_HELPERS(CreateSubDomain, NKikimrSchemeOp::EOperationType::ESchemeOpCreateSubDomain, &NKikimrSchemeOp::TModifyScheme::MutableSubDomain)
+    GENERIC_HELPERS(AlterSubDomain, NKikimrSchemeOp::EOperationType::ESchemeOpAlterSubDomain, &NKikimrSchemeOp::TModifyScheme::MutableSubDomain)
+    GENERIC_HELPERS(DropSubDomain, NKikimrSchemeOp::EOperationType::ESchemeOpDropSubDomain, &NKikimrSchemeOp::TModifyScheme::MutableDrop)
+    GENERIC_HELPERS(ForceDropSubDomain, NKikimrSchemeOp::EOperationType::ESchemeOpForceDropSubDomain, &NKikimrSchemeOp::TModifyScheme::MutableDrop)
+
+    // ext subdomain
+    GENERIC_WITH_ATTRS_HELPERS(CreateExtSubDomain, NKikimrSchemeOp::EOperationType::ESchemeOpCreateExtSubDomain, &NKikimrSchemeOp::TModifyScheme::MutableSubDomain)
+    GENERIC_WITH_ATTRS_HELPERS(AlterExtSubDomain, NKikimrSchemeOp::EOperationType::ESchemeOpAlterExtSubDomain, &NKikimrSchemeOp::TModifyScheme::MutableSubDomain)
+    GENERIC_HELPERS(ForceDropExtSubDomain, NKikimrSchemeOp::EOperationType::ESchemeOpForceDropExtSubDomain, &NKikimrSchemeOp::TModifyScheme::MutableDrop)
+
+    // dir
+    GENERIC_WITH_ATTRS_HELPERS(MkDir, NKikimrSchemeOp::EOperationType::ESchemeOpMkDir, &NKikimrSchemeOp::TModifyScheme::MutableMkDir)
+    GENERIC_HELPERS(RmDir, NKikimrSchemeOp::EOperationType::ESchemeOpRmDir, &NKikimrSchemeOp::TModifyScheme::MutableDrop)
+    DROP_BY_PATH_ID_HELPERS(ForceDropUnsafe, NKikimrSchemeOp::EOperationType::ESchemeOpForceDropUnsafe)
+
+    // user attrs
+    GENERIC_WITH_ATTRS_HELPERS(UserAttrs, NKikimrSchemeOp::EOperationType::ESchemeOpAlterUserAttributes, &NKikimrSchemeOp::TModifyScheme::MutableAlterUserAttributes)
+
+    // table
+    GENERIC_WITH_ATTRS_HELPERS(CreateTable, NKikimrSchemeOp::EOperationType::ESchemeOpCreateTable, &NKikimrSchemeOp::TModifyScheme::MutableCreateTable)
+    GENERIC_HELPERS(CreateIndexedTable, NKikimrSchemeOp::EOperationType::ESchemeOpCreateIndexedTable, &NKikimrSchemeOp::TModifyScheme::MutableCreateIndexedTable)
+    GENERIC_HELPERS(ConsistentCopyTables, NKikimrSchemeOp::EOperationType::ESchemeOpCreateConsistentCopyTables, &NKikimrSchemeOp::TModifyScheme::MutableCreateConsistentCopyTables)
+    GENERIC_HELPERS(AlterTable, NKikimrSchemeOp::EOperationType::ESchemeOpAlterTable, &NKikimrSchemeOp::TModifyScheme::MutableAlterTable)
+    GENERIC_HELPERS(SplitTable, NKikimrSchemeOp::EOperationType::ESchemeOpSplitMergeTablePartitions, &NKikimrSchemeOp::TModifyScheme::MutableSplitMergeTablePartitions)
+    GENERIC_HELPERS(DropTable, NKikimrSchemeOp::EOperationType::ESchemeOpDropTable, &NKikimrSchemeOp::TModifyScheme::MutableDrop)
+    DROP_BY_PATH_ID_HELPERS(DropTable, NKikimrSchemeOp::EOperationType::ESchemeOpDropTable)
+    GENERIC_HELPERS(DropTableIndex, NKikimrSchemeOp::EOperationType::ESchemeOpDropIndex, &NKikimrSchemeOp::TModifyScheme::MutableDropIndex)
+
+    // backup & restore
+    GENERIC_HELPERS(BackupTable, NKikimrSchemeOp::EOperationType::ESchemeOpBackup, &NKikimrSchemeOp::TModifyScheme::MutableBackup)
+    GENERIC_HELPERS(Restore, NKikimrSchemeOp::EOperationType::ESchemeOpRestore, &NKikimrSchemeOp::TModifyScheme::MutableRestore)
+
+    // cdc stream
+    GENERIC_HELPERS(CreateCdcStream, NKikimrSchemeOp::EOperationType::ESchemeOpCreateCdcStream, &NKikimrSchemeOp::TModifyScheme::MutableCreateCdcStream)
+    GENERIC_HELPERS(AlterCdcStream, NKikimrSchemeOp::EOperationType::ESchemeOpAlterCdcStream, &NKikimrSchemeOp::TModifyScheme::MutableAlterCdcStream)
+    GENERIC_HELPERS(DropCdcStream, NKikimrSchemeOp::EOperationType::ESchemeOpDropCdcStream, &NKikimrSchemeOp::TModifyScheme::MutableDropCdcStream)
+
+    // olap store
     GENERIC_HELPERS(CreateOlapStore, NKikimrSchemeOp::EOperationType::ESchemeOpCreateColumnStore, &NKikimrSchemeOp::TModifyScheme::MutableCreateColumnStore)
     GENERIC_HELPERS(AlterOlapStore, NKikimrSchemeOp::EOperationType::ESchemeOpAlterColumnStore, &NKikimrSchemeOp::TModifyScheme::MutableAlterColumnStore)
     GENERIC_HELPERS(DropOlapStore, NKikimrSchemeOp::EOperationType::ESchemeOpDropColumnStore, &NKikimrSchemeOp::TModifyScheme::MutableDrop)
     DROP_BY_PATH_ID_HELPERS(DropOlapStore, NKikimrSchemeOp::EOperationType::ESchemeOpDropColumnStore)
 
-    // olap table 
+    // olap table
     GENERIC_HELPERS(CreateOlapTable, NKikimrSchemeOp::EOperationType::ESchemeOpCreateColumnTable, &NKikimrSchemeOp::TModifyScheme::MutableCreateColumnTable)
     GENERIC_HELPERS(AlterOlapTable, NKikimrSchemeOp::EOperationType::ESchemeOpAlterColumnTable, &NKikimrSchemeOp::TModifyScheme::MutableAlterColumnTable)
     GENERIC_HELPERS(DropOlapTable, NKikimrSchemeOp::EOperationType::ESchemeOpDropColumnTable, &NKikimrSchemeOp::TModifyScheme::MutableDrop)
     DROP_BY_PATH_ID_HELPERS(DropOlapTable, NKikimrSchemeOp::EOperationType::ESchemeOpDropColumnTable)
 
-    // sequence 
-    GENERIC_HELPERS(CreateSequence, NKikimrSchemeOp::EOperationType::ESchemeOpCreateSequence, &NKikimrSchemeOp::TModifyScheme::MutableSequence) 
-    GENERIC_HELPERS(DropSequence, NKikimrSchemeOp::EOperationType::ESchemeOpDropSequence, &NKikimrSchemeOp::TModifyScheme::MutableDrop) 
-    DROP_BY_PATH_ID_HELPERS(DropSequence, NKikimrSchemeOp::EOperationType::ESchemeOpDropSequence) 
-
-    // replication 
-    GENERIC_HELPERS(CreateReplication, NKikimrSchemeOp::EOperationType::ESchemeOpCreateReplication, &NKikimrSchemeOp::TModifyScheme::MutableReplication) 
-    GENERIC_HELPERS(DropReplication, NKikimrSchemeOp::EOperationType::ESchemeOpDropReplication, &NKikimrSchemeOp::TModifyScheme::MutableDrop) 
-    DROP_BY_PATH_ID_HELPERS(DropReplication, NKikimrSchemeOp::EOperationType::ESchemeOpDropReplication) 
- 
-    // pq 
-    GENERIC_HELPERS(CreatePQGroup, NKikimrSchemeOp::EOperationType::ESchemeOpCreatePersQueueGroup, &NKikimrSchemeOp::TModifyScheme::MutableCreatePersQueueGroup) 
-    GENERIC_HELPERS(AlterPQGroup, NKikimrSchemeOp::EOperationType::ESchemeOpAlterPersQueueGroup, &NKikimrSchemeOp::TModifyScheme::MutableAlterPersQueueGroup) 
-    GENERIC_HELPERS(DropPQGroup, NKikimrSchemeOp::EOperationType::ESchemeOpDropPersQueueGroup, &NKikimrSchemeOp::TModifyScheme::MutableDrop) 
-    DROP_BY_PATH_ID_HELPERS(DropPQGroup, NKikimrSchemeOp::EOperationType::ESchemeOpDropPersQueueGroup) 
-
-    // rtmr 
-    GENERIC_HELPERS(CreateRtmrVolume, NKikimrSchemeOp::EOperationType::ESchemeOpCreateRtmrVolume, &NKikimrSchemeOp::TModifyScheme::MutableCreateRtmrVolume) 
-
-    // solomon 
-    GENERIC_HELPERS(CreateSolomon, NKikimrSchemeOp::EOperationType::ESchemeOpCreateSolomonVolume, &NKikimrSchemeOp::TModifyScheme::MutableCreateSolomonVolume) 
-    GENERIC_HELPERS(AlterSolomon, NKikimrSchemeOp::EOperationType::ESchemeOpAlterSolomonVolume, &NKikimrSchemeOp::TModifyScheme::MutableAlterSolomonVolume) 
-    GENERIC_HELPERS(DropSolomon, NKikimrSchemeOp::EOperationType::ESchemeOpDropSolomonVolume, &NKikimrSchemeOp::TModifyScheme::MutableDrop) 
-    DROP_BY_PATH_ID_HELPERS(DropSolomon, NKikimrSchemeOp::EOperationType::ESchemeOpDropSolomonVolume) 
-
-    // kesus 
-    GENERIC_HELPERS(CreateKesus, NKikimrSchemeOp::EOperationType::ESchemeOpCreateKesus, &NKikimrSchemeOp::TModifyScheme::MutableKesus) 
-    GENERIC_HELPERS(AlterKesus, NKikimrSchemeOp::EOperationType::ESchemeOpAlterKesus, &NKikimrSchemeOp::TModifyScheme::MutableKesus) 
-    GENERIC_HELPERS(DropKesus, NKikimrSchemeOp::EOperationType::ESchemeOpDropKesus, &NKikimrSchemeOp::TModifyScheme::MutableDrop) 
-    DROP_BY_PATH_ID_HELPERS(DropKesus, NKikimrSchemeOp::EOperationType::ESchemeOpDropKesus) 
-
-    // filestore 
-    GENERIC_HELPERS(CreateFileStore, NKikimrSchemeOp::EOperationType::ESchemeOpCreateFileStore, &NKikimrSchemeOp::TModifyScheme::MutableCreateFileStore) 
-    GENERIC_HELPERS(AlterFileStore, NKikimrSchemeOp::EOperationType::ESchemeOpAlterFileStore, &NKikimrSchemeOp::TModifyScheme::MutableAlterFileStore) 
-    GENERIC_HELPERS(DropFileStore, NKikimrSchemeOp::EOperationType::ESchemeOpDropFileStore, &NKikimrSchemeOp::TModifyScheme::MutableDrop) 
-    DROP_BY_PATH_ID_HELPERS(DropFileStore, NKikimrSchemeOp::EOperationType::ESchemeOpDropFileStore) 
-
-    // nbs 
-    GENERIC_HELPERS(CreateBlockStoreVolume, NKikimrSchemeOp::EOperationType::ESchemeOpCreateBlockStoreVolume, &NKikimrSchemeOp::TModifyScheme::MutableCreateBlockStoreVolume) 
-    GENERIC_HELPERS(AlterBlockStoreVolume, NKikimrSchemeOp::EOperationType::ESchemeOpAlterBlockStoreVolume, &NKikimrSchemeOp::TModifyScheme::MutableAlterBlockStoreVolume) 
-    GENERIC_HELPERS(DropBlockStoreVolume, NKikimrSchemeOp::EOperationType::ESchemeOpDropBlockStoreVolume, &NKikimrSchemeOp::TModifyScheme::MutableDrop) 
-    DROP_BY_PATH_ID_HELPERS(DropBlockStoreVolume, NKikimrSchemeOp::EOperationType::ESchemeOpDropBlockStoreVolume) 
-
-    #undef DROP_BY_PATH_ID_HELPERS 
-    #undef GENERIC_WITH_ATTRS_HELPERS 
-    #undef GENERIC_HELPERS 
-
-    ui64 TestCreateSubDomain(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& scheme, 
-            const NKikimrSchemeOp::TAlterUserAttributes& userAttrs) 
+    // sequence
+    GENERIC_HELPERS(CreateSequence, NKikimrSchemeOp::EOperationType::ESchemeOpCreateSequence, &NKikimrSchemeOp::TModifyScheme::MutableSequence)
+    GENERIC_HELPERS(DropSequence, NKikimrSchemeOp::EOperationType::ESchemeOpDropSequence, &NKikimrSchemeOp::TModifyScheme::MutableDrop)
+    DROP_BY_PATH_ID_HELPERS(DropSequence, NKikimrSchemeOp::EOperationType::ESchemeOpDropSequence)
+
+    // replication
+    GENERIC_HELPERS(CreateReplication, NKikimrSchemeOp::EOperationType::ESchemeOpCreateReplication, &NKikimrSchemeOp::TModifyScheme::MutableReplication)
+    GENERIC_HELPERS(DropReplication, NKikimrSchemeOp::EOperationType::ESchemeOpDropReplication, &NKikimrSchemeOp::TModifyScheme::MutableDrop)
+    DROP_BY_PATH_ID_HELPERS(DropReplication, NKikimrSchemeOp::EOperationType::ESchemeOpDropReplication)
+
+    // pq
+    GENERIC_HELPERS(CreatePQGroup, NKikimrSchemeOp::EOperationType::ESchemeOpCreatePersQueueGroup, &NKikimrSchemeOp::TModifyScheme::MutableCreatePersQueueGroup)
+    GENERIC_HELPERS(AlterPQGroup, NKikimrSchemeOp::EOperationType::ESchemeOpAlterPersQueueGroup, &NKikimrSchemeOp::TModifyScheme::MutableAlterPersQueueGroup)
+    GENERIC_HELPERS(DropPQGroup, NKikimrSchemeOp::EOperationType::ESchemeOpDropPersQueueGroup, &NKikimrSchemeOp::TModifyScheme::MutableDrop)
+    DROP_BY_PATH_ID_HELPERS(DropPQGroup, NKikimrSchemeOp::EOperationType::ESchemeOpDropPersQueueGroup)
+
+    // rtmr
+    GENERIC_HELPERS(CreateRtmrVolume, NKikimrSchemeOp::EOperationType::ESchemeOpCreateRtmrVolume, &NKikimrSchemeOp::TModifyScheme::MutableCreateRtmrVolume)
+
+    // solomon
+    GENERIC_HELPERS(CreateSolomon, NKikimrSchemeOp::EOperationType::ESchemeOpCreateSolomonVolume, &NKikimrSchemeOp::TModifyScheme::MutableCreateSolomonVolume)
+    GENERIC_HELPERS(AlterSolomon, NKikimrSchemeOp::EOperationType::ESchemeOpAlterSolomonVolume, &NKikimrSchemeOp::TModifyScheme::MutableAlterSolomonVolume)
+    GENERIC_HELPERS(DropSolomon, NKikimrSchemeOp::EOperationType::ESchemeOpDropSolomonVolume, &NKikimrSchemeOp::TModifyScheme::MutableDrop)
+    DROP_BY_PATH_ID_HELPERS(DropSolomon, NKikimrSchemeOp::EOperationType::ESchemeOpDropSolomonVolume)
+
+    // kesus
+    GENERIC_HELPERS(CreateKesus, NKikimrSchemeOp::EOperationType::ESchemeOpCreateKesus, &NKikimrSchemeOp::TModifyScheme::MutableKesus)
+    GENERIC_HELPERS(AlterKesus, NKikimrSchemeOp::EOperationType::ESchemeOpAlterKesus, &NKikimrSchemeOp::TModifyScheme::MutableKesus)
+    GENERIC_HELPERS(DropKesus, NKikimrSchemeOp::EOperationType::ESchemeOpDropKesus, &NKikimrSchemeOp::TModifyScheme::MutableDrop)
+    DROP_BY_PATH_ID_HELPERS(DropKesus, NKikimrSchemeOp::EOperationType::ESchemeOpDropKesus)
+
+    // filestore
+    GENERIC_HELPERS(CreateFileStore, NKikimrSchemeOp::EOperationType::ESchemeOpCreateFileStore, &NKikimrSchemeOp::TModifyScheme::MutableCreateFileStore)
+    GENERIC_HELPERS(AlterFileStore, NKikimrSchemeOp::EOperationType::ESchemeOpAlterFileStore, &NKikimrSchemeOp::TModifyScheme::MutableAlterFileStore)
+    GENERIC_HELPERS(DropFileStore, NKikimrSchemeOp::EOperationType::ESchemeOpDropFileStore, &NKikimrSchemeOp::TModifyScheme::MutableDrop)
+    DROP_BY_PATH_ID_HELPERS(DropFileStore, NKikimrSchemeOp::EOperationType::ESchemeOpDropFileStore)
+
+    // nbs
+    GENERIC_HELPERS(CreateBlockStoreVolume, NKikimrSchemeOp::EOperationType::ESchemeOpCreateBlockStoreVolume, &NKikimrSchemeOp::TModifyScheme::MutableCreateBlockStoreVolume)
+    GENERIC_HELPERS(AlterBlockStoreVolume, NKikimrSchemeOp::EOperationType::ESchemeOpAlterBlockStoreVolume, &NKikimrSchemeOp::TModifyScheme::MutableAlterBlockStoreVolume)
+    GENERIC_HELPERS(DropBlockStoreVolume, NKikimrSchemeOp::EOperationType::ESchemeOpDropBlockStoreVolume, &NKikimrSchemeOp::TModifyScheme::MutableDrop)
+    DROP_BY_PATH_ID_HELPERS(DropBlockStoreVolume, NKikimrSchemeOp::EOperationType::ESchemeOpDropBlockStoreVolume)
+
+    #undef DROP_BY_PATH_ID_HELPERS
+    #undef GENERIC_WITH_ATTRS_HELPERS
+    #undef GENERIC_HELPERS
+
+    ui64 TestCreateSubDomain(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& scheme,
+            const NKikimrSchemeOp::TAlterUserAttributes& userAttrs)
     {
-        return TestCreateSubDomain(runtime, txId, parentPath, scheme, {NKikimrScheme::StatusAccepted}, userAttrs); 
+        return TestCreateSubDomain(runtime, txId, parentPath, scheme, {NKikimrScheme::StatusAccepted}, userAttrs);
     }
 
-    ui64 TestCreateExtSubDomain(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& scheme, 
-            const NKikimrSchemeOp::TAlterUserAttributes& userAttrs) 
+    ui64 TestCreateExtSubDomain(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& scheme,
+            const NKikimrSchemeOp::TAlterUserAttributes& userAttrs)
     {
-        return TestCreateExtSubDomain(runtime, txId, parentPath, scheme, {NKikimrScheme::StatusAccepted}, userAttrs); 
+        return TestCreateExtSubDomain(runtime, txId, parentPath, scheme, {NKikimrScheme::StatusAccepted}, userAttrs);
     }
 
-    ui64 TestUserAttrs(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& name, 
-            const NKikimrSchemeOp::TAlterUserAttributes& userAttrs) 
+    ui64 TestUserAttrs(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& name,
+            const NKikimrSchemeOp::TAlterUserAttributes& userAttrs)
     {
-        return TestUserAttrs(runtime, txId, parentPath, name, {NKikimrScheme::StatusAccepted}, userAttrs); 
+        return TestUserAttrs(runtime, txId, parentPath, name, {NKikimrScheme::StatusAccepted}, userAttrs);
     }
 
     void AsyncAssignBlockStoreVolume(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& name,
@@ -833,240 +833,240 @@ namespace NSchemeShardUT_Private {
     TEvSchemeShard::TEvCancelTx *CancelTxRequest(ui64 txId, ui64 targetTxId) {
         auto evTx = new TEvSchemeShard::TEvCancelTx();
         evTx->Record.SetTxId(txId);
-        evTx->Record.SetTargetTxId(targetTxId); 
+        evTx->Record.SetTargetTxId(targetTxId);
         return evTx;
     }
 
-    void AsyncCancelTxTable(TTestActorRuntime& runtime, ui64 txId, ui64 targetTxId) { 
+    void AsyncCancelTxTable(TTestActorRuntime& runtime, ui64 txId, ui64 targetTxId) {
         TActorId sender = runtime.AllocateEdgeActor();
         ForwardToTablet(runtime, TTestTxConfig::SchemeShard, sender, CancelTxRequest(txId, targetTxId));
     }
 
-    void TestCancelTxTable(TTestActorRuntime& runtime, ui64 txId, ui64 targetTxId, 
+    void TestCancelTxTable(TTestActorRuntime& runtime, ui64 txId, ui64 targetTxId,
                                const TVector<TEvSchemeShard::EStatus>& expectedResults) {
-        AsyncCancelTxTable(runtime, txId, targetTxId); 
+        AsyncCancelTxTable(runtime, txId, targetTxId);
 
         TAutoPtr<IEventHandle> handle;
         TEvSchemeShard::TEvCancelTxResult* event;
         do {
             event = runtime.GrabEdgeEvent<TEvSchemeShard::TEvCancelTxResult>(handle);
             UNIT_ASSERT(event);
-            Cerr << "TEvCancelTxResult for TargetTxId: " << event->Record.GetTargetTxId() << ", wait until TargetTxId: " << targetTxId << "\n"; 
-        } while(event->Record.GetTargetTxId() < targetTxId); 
-        UNIT_ASSERT_VALUES_EQUAL(event->Record.GetTargetTxId(), targetTxId); 
+            Cerr << "TEvCancelTxResult for TargetTxId: " << event->Record.GetTargetTxId() << ", wait until TargetTxId: " << targetTxId << "\n";
+        } while(event->Record.GetTargetTxId() < targetTxId);
+        UNIT_ASSERT_VALUES_EQUAL(event->Record.GetTargetTxId(), targetTxId);
 
         CheckExpected(expectedResults, event->Record.GetStatus(), event->Record.GetResult());
     }
 
-    void AsyncExport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 id, const TString& dbName, const TString& requestStr, const TString& userSID) { 
-        NKikimrExport::TCreateExportRequest request; 
-        UNIT_ASSERT(google::protobuf::TextFormat::ParseFromString(requestStr, &request)); 
- 
-        if (request.HasExportToYtSettings()) { 
-            TString host; 
-            TMaybe<ui16> port; 
-            Split(GetEnv("YT_PROXY"), ':', host, port); 
- 
-            auto& settings = *request.MutableExportToYtSettings(); 
-            settings.set_host(host); 
-            settings.set_port(port.GetOrElse(80)); 
-        } 
- 
-        auto ev = MakeHolder<TEvExport::TEvCreateExportRequest>(id, dbName, request); 
-        if (userSID) { 
-            ev->Record.SetUserSID(userSID); 
-        } 
- 
+    void AsyncExport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 id, const TString& dbName, const TString& requestStr, const TString& userSID) {
+        NKikimrExport::TCreateExportRequest request;
+        UNIT_ASSERT(google::protobuf::TextFormat::ParseFromString(requestStr, &request));
+
+        if (request.HasExportToYtSettings()) {
+            TString host;
+            TMaybe<ui16> port;
+            Split(GetEnv("YT_PROXY"), ':', host, port);
+
+            auto& settings = *request.MutableExportToYtSettings();
+            settings.set_host(host);
+            settings.set_port(port.GetOrElse(80));
+        }
+
+        auto ev = MakeHolder<TEvExport::TEvCreateExportRequest>(id, dbName, request);
+        if (userSID) {
+            ev->Record.SetUserSID(userSID);
+        }
+
         ForwardToTablet(runtime, schemeshardId, runtime.AllocateEdgeActor(), ev.Release());
-    } 
- 
-    void AsyncExport(TTestActorRuntime& runtime, ui64 id, const TString& dbName, const TString& requestStr, const TString& userSID) { 
+    }
+
+    void AsyncExport(TTestActorRuntime& runtime, ui64 id, const TString& dbName, const TString& requestStr, const TString& userSID) {
         AsyncExport(runtime, TTestTxConfig::SchemeShard, id, dbName, requestStr, userSID);
-    } 
- 
-    void TestExport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 id, const TString& dbName, const TString& requestStr, const TString& userSID, 
-            Ydb::StatusIds::StatusCode expectedStatus) { 
-        AsyncExport(runtime, schemeshardId, id, dbName, requestStr, userSID); 
- 
-        TAutoPtr<IEventHandle> handle; 
-        auto ev = runtime.GrabEdgeEvent<TEvExport::TEvCreateExportResponse>(handle); 
-        UNIT_ASSERT_EQUAL(ev->Record.GetResponse().GetEntry().GetStatus(), expectedStatus); 
-    } 
- 
-    void TestExport(TTestActorRuntime& runtime, ui64 id, const TString& dbName, const TString& requestStr, const TString& userSID, 
-            Ydb::StatusIds::StatusCode expectedStatus) { 
+    }
+
+    void TestExport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 id, const TString& dbName, const TString& requestStr, const TString& userSID,
+            Ydb::StatusIds::StatusCode expectedStatus) {
+        AsyncExport(runtime, schemeshardId, id, dbName, requestStr, userSID);
+
+        TAutoPtr<IEventHandle> handle;
+        auto ev = runtime.GrabEdgeEvent<TEvExport::TEvCreateExportResponse>(handle);
+        UNIT_ASSERT_EQUAL(ev->Record.GetResponse().GetEntry().GetStatus(), expectedStatus);
+    }
+
+    void TestExport(TTestActorRuntime& runtime, ui64 id, const TString& dbName, const TString& requestStr, const TString& userSID,
+            Ydb::StatusIds::StatusCode expectedStatus) {
         TestExport(runtime, TTestTxConfig::SchemeShard, id, dbName, requestStr, userSID, expectedStatus);
-    } 
- 
-    NKikimrExport::TEvGetExportResponse TestGetExport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 id, const TString& dbName, 
-            const TVector<Ydb::StatusIds::StatusCode>& expectedStatuses) { 
+    }
+
+    NKikimrExport::TEvGetExportResponse TestGetExport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 id, const TString& dbName,
+            const TVector<Ydb::StatusIds::StatusCode>& expectedStatuses) {
         ForwardToTablet(runtime, schemeshardId, runtime.AllocateEdgeActor(), new TEvExport::TEvGetExportRequest(dbName, id));
- 
-        TAutoPtr<IEventHandle> handle; 
-        auto ev = runtime.GrabEdgeEvent<TEvExport::TEvGetExportResponse>(handle); 
-        const auto result = ev->Record.GetResponse().GetEntry().GetStatus(); 
- 
-        bool found = false; 
-        for (const auto status : expectedStatuses) { 
-            if (result == status) { 
-                found = true; 
-                break; 
-            } 
-        } 
- 
-        if (!found) { 
-            UNIT_ASSERT_C(found, "Unexpected status: " << Ydb::StatusIds::StatusCode_Name(result)); 
-        } 
- 
-        return ev->Record; 
-    } 
- 
-    NKikimrExport::TEvGetExportResponse TestGetExport(TTestActorRuntime& runtime, ui64 id, const TString& dbName, 
-            const TVector<Ydb::StatusIds::StatusCode>& expectedStatuses) { 
+
+        TAutoPtr<IEventHandle> handle;
+        auto ev = runtime.GrabEdgeEvent<TEvExport::TEvGetExportResponse>(handle);
+        const auto result = ev->Record.GetResponse().GetEntry().GetStatus();
+
+        bool found = false;
+        for (const auto status : expectedStatuses) {
+            if (result == status) {
+                found = true;
+                break;
+            }
+        }
+
+        if (!found) {
+            UNIT_ASSERT_C(found, "Unexpected status: " << Ydb::StatusIds::StatusCode_Name(result));
+        }
+
+        return ev->Record;
+    }
+
+    NKikimrExport::TEvGetExportResponse TestGetExport(TTestActorRuntime& runtime, ui64 id, const TString& dbName,
+            const TVector<Ydb::StatusIds::StatusCode>& expectedStatuses) {
         return TestGetExport(runtime, TTestTxConfig::SchemeShard, id, dbName, expectedStatuses);
-    } 
- 
-    NKikimrExport::TEvGetExportResponse TestGetExport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 id, const TString& dbName, 
-            Ydb::StatusIds::StatusCode expectedStatus) { 
-        return TestGetExport(runtime, schemeshardId, id, dbName, TVector<Ydb::StatusIds::StatusCode>(1, expectedStatus)); 
-    } 
- 
-    NKikimrExport::TEvGetExportResponse TestGetExport(TTestActorRuntime& runtime, ui64 id, const TString& dbName, 
-            Ydb::StatusIds::StatusCode expectedStatus) { 
+    }
+
+    NKikimrExport::TEvGetExportResponse TestGetExport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 id, const TString& dbName,
+            Ydb::StatusIds::StatusCode expectedStatus) {
+        return TestGetExport(runtime, schemeshardId, id, dbName, TVector<Ydb::StatusIds::StatusCode>(1, expectedStatus));
+    }
+
+    NKikimrExport::TEvGetExportResponse TestGetExport(TTestActorRuntime& runtime, ui64 id, const TString& dbName,
+            Ydb::StatusIds::StatusCode expectedStatus) {
         return TestGetExport(runtime, TTestTxConfig::SchemeShard, id, dbName, expectedStatus);
-    } 
- 
-    TEvExport::TEvCancelExportRequest* CancelExportRequest(ui64 txId, const TString& dbName, ui64 exportId) { 
-        return new TEvExport::TEvCancelExportRequest(txId, dbName, exportId); 
-    } 
- 
-    NKikimrExport::TEvCancelExportResponse TestCancelExport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 txId, const TString& dbName, ui64 exportId, 
-            Ydb::StatusIds::StatusCode expectedStatus) { 
+    }
+
+    TEvExport::TEvCancelExportRequest* CancelExportRequest(ui64 txId, const TString& dbName, ui64 exportId) {
+        return new TEvExport::TEvCancelExportRequest(txId, dbName, exportId);
+    }
+
+    NKikimrExport::TEvCancelExportResponse TestCancelExport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 txId, const TString& dbName, ui64 exportId,
+            Ydb::StatusIds::StatusCode expectedStatus) {
         ForwardToTablet(runtime, schemeshardId, runtime.AllocateEdgeActor(), CancelExportRequest(txId, dbName, exportId));
- 
-        TAutoPtr<IEventHandle> handle; 
-        auto ev = runtime.GrabEdgeEvent<TEvExport::TEvCancelExportResponse>(handle); 
-        UNIT_ASSERT_EQUAL(ev->Record.GetResponse().GetStatus(), expectedStatus); 
- 
-        return ev->Record; 
-    } 
- 
-    NKikimrExport::TEvCancelExportResponse TestCancelExport(TTestActorRuntime& runtime, ui64 txId, const TString& dbName, ui64 exportId, 
-            Ydb::StatusIds::StatusCode expectedStatus) { 
+
+        TAutoPtr<IEventHandle> handle;
+        auto ev = runtime.GrabEdgeEvent<TEvExport::TEvCancelExportResponse>(handle);
+        UNIT_ASSERT_EQUAL(ev->Record.GetResponse().GetStatus(), expectedStatus);
+
+        return ev->Record;
+    }
+
+    NKikimrExport::TEvCancelExportResponse TestCancelExport(TTestActorRuntime& runtime, ui64 txId, const TString& dbName, ui64 exportId,
+            Ydb::StatusIds::StatusCode expectedStatus) {
         return TestCancelExport(runtime, TTestTxConfig::SchemeShard, txId, dbName, exportId, expectedStatus);
-    } 
- 
-    TEvExport::TEvForgetExportRequest* ForgetExportRequest(ui64 txId, const TString& dbName, ui64 exportId) { 
-        return new TEvExport::TEvForgetExportRequest(txId, dbName, exportId); 
-    } 
- 
-    void AsyncForgetExport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 txId, const TString& dbName, ui64 exportId) { 
+    }
+
+    TEvExport::TEvForgetExportRequest* ForgetExportRequest(ui64 txId, const TString& dbName, ui64 exportId) {
+        return new TEvExport::TEvForgetExportRequest(txId, dbName, exportId);
+    }
+
+    void AsyncForgetExport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 txId, const TString& dbName, ui64 exportId) {
         ForwardToTablet(runtime, schemeshardId, runtime.AllocateEdgeActor(), ForgetExportRequest(txId, dbName, exportId));
-    } 
- 
-    void AsyncForgetExport(TTestActorRuntime& runtime, ui64 txId, const TString& dbName, ui64 exportId) { 
+    }
+
+    void AsyncForgetExport(TTestActorRuntime& runtime, ui64 txId, const TString& dbName, ui64 exportId) {
         AsyncForgetExport(runtime, TTestTxConfig::SchemeShard, txId, dbName, exportId);
-    } 
- 
-    NKikimrExport::TEvForgetExportResponse TestForgetExport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 txId, const TString& dbName, ui64 exportId, 
-            Ydb::StatusIds::StatusCode expectedStatus) { 
-        AsyncForgetExport(runtime, schemeshardId, txId, dbName, exportId); 
- 
-        TAutoPtr<IEventHandle> handle; 
-        auto ev = runtime.GrabEdgeEvent<TEvExport::TEvForgetExportResponse>(handle); 
-        UNIT_ASSERT_EQUAL(ev->Record.GetResponse().GetStatus(), expectedStatus); 
- 
-        return ev->Record; 
-    } 
- 
-    NKikimrExport::TEvForgetExportResponse TestForgetExport(TTestActorRuntime& runtime, ui64 txId, const TString& dbName, ui64 exportId, 
-            Ydb::StatusIds::StatusCode expectedStatus) { 
+    }
+
+    NKikimrExport::TEvForgetExportResponse TestForgetExport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 txId, const TString& dbName, ui64 exportId,
+            Ydb::StatusIds::StatusCode expectedStatus) {
+        AsyncForgetExport(runtime, schemeshardId, txId, dbName, exportId);
+
+        TAutoPtr<IEventHandle> handle;
+        auto ev = runtime.GrabEdgeEvent<TEvExport::TEvForgetExportResponse>(handle);
+        UNIT_ASSERT_EQUAL(ev->Record.GetResponse().GetStatus(), expectedStatus);
+
+        return ev->Record;
+    }
+
+    NKikimrExport::TEvForgetExportResponse TestForgetExport(TTestActorRuntime& runtime, ui64 txId, const TString& dbName, ui64 exportId,
+            Ydb::StatusIds::StatusCode expectedStatus) {
         return TestForgetExport(runtime, TTestTxConfig::SchemeShard, txId, dbName, exportId, expectedStatus);
-    } 
- 
-    void AsyncImport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 id, const TString& dbName, const TString& requestStr) { 
-        NKikimrImport::TCreateImportRequest request; 
-        UNIT_ASSERT(google::protobuf::TextFormat::ParseFromString(requestStr, &request)); 
- 
+    }
+
+    void AsyncImport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 id, const TString& dbName, const TString& requestStr) {
+        NKikimrImport::TCreateImportRequest request;
+        UNIT_ASSERT(google::protobuf::TextFormat::ParseFromString(requestStr, &request));
+
         ForwardToTablet(runtime, schemeshardId, runtime.AllocateEdgeActor(), new TEvImport::TEvCreateImportRequest(id, dbName, request));
-    } 
- 
-    void AsyncImport(TTestActorRuntime& runtime, ui64 id, const TString& dbName, const TString& requestStr) { 
+    }
+
+    void AsyncImport(TTestActorRuntime& runtime, ui64 id, const TString& dbName, const TString& requestStr) {
         AsyncImport(runtime, TTestTxConfig::SchemeShard, id, dbName, requestStr);
-    } 
- 
-    void TestImport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 id, const TString& dbName, const TString& requestStr, 
-            Ydb::StatusIds::StatusCode expectedStatus) { 
-        AsyncImport(runtime, schemeshardId, id, dbName, requestStr); 
- 
-        TAutoPtr<IEventHandle> handle; 
-        auto ev = runtime.GrabEdgeEvent<TEvImport::TEvCreateImportResponse>(handle); 
-        UNIT_ASSERT_EQUAL(ev->Record.GetResponse().GetEntry().GetStatus(), expectedStatus); 
-    } 
- 
-    void TestImport(TTestActorRuntime& runtime, ui64 id, const TString& dbName, const TString& requestStr, 
-            Ydb::StatusIds::StatusCode expectedStatus) { 
+    }
+
+    void TestImport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 id, const TString& dbName, const TString& requestStr,
+            Ydb::StatusIds::StatusCode expectedStatus) {
+        AsyncImport(runtime, schemeshardId, id, dbName, requestStr);
+
+        TAutoPtr<IEventHandle> handle;
+        auto ev = runtime.GrabEdgeEvent<TEvImport::TEvCreateImportResponse>(handle);
+        UNIT_ASSERT_EQUAL(ev->Record.GetResponse().GetEntry().GetStatus(), expectedStatus);
+    }
+
+    void TestImport(TTestActorRuntime& runtime, ui64 id, const TString& dbName, const TString& requestStr,
+            Ydb::StatusIds::StatusCode expectedStatus) {
         TestImport(runtime, TTestTxConfig::SchemeShard, id, dbName, requestStr, expectedStatus);
-    } 
- 
-    NKikimrImport::TEvGetImportResponse TestGetImport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 id, const TString& dbName, 
-            const TVector<Ydb::StatusIds::StatusCode>& expectedStatuses) { 
+    }
+
+    NKikimrImport::TEvGetImportResponse TestGetImport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 id, const TString& dbName,
+            const TVector<Ydb::StatusIds::StatusCode>& expectedStatuses) {
         ForwardToTablet(runtime, schemeshardId, runtime.AllocateEdgeActor(), new TEvImport::TEvGetImportRequest(dbName, id));
- 
-        TAutoPtr<IEventHandle> handle; 
-        auto ev = runtime.GrabEdgeEvent<TEvImport::TEvGetImportResponse>(handle); 
-        const auto result = ev->Record.GetResponse().GetEntry().GetStatus(); 
- 
-        bool found = false; 
-        for (const auto status : expectedStatuses) { 
-            if (result == status) { 
-                found = true; 
-                break; 
-            } 
-        } 
- 
-        if (!found) { 
-            UNIT_ASSERT_C(found, "Unexpected status: " << Ydb::StatusIds::StatusCode_Name(result)); 
-        } 
- 
-        return ev->Record; 
-    } 
- 
-    NKikimrImport::TEvGetImportResponse TestGetImport(TTestActorRuntime& runtime, ui64 id, const TString& dbName, 
-            const TVector<Ydb::StatusIds::StatusCode>& expectedStatuses) { 
+
+        TAutoPtr<IEventHandle> handle;
+        auto ev = runtime.GrabEdgeEvent<TEvImport::TEvGetImportResponse>(handle);
+        const auto result = ev->Record.GetResponse().GetEntry().GetStatus();
+
+        bool found = false;
+        for (const auto status : expectedStatuses) {
+            if (result == status) {
+                found = true;
+                break;
+            }
+        }
+
+        if (!found) {
+            UNIT_ASSERT_C(found, "Unexpected status: " << Ydb::StatusIds::StatusCode_Name(result));
+        }
+
+        return ev->Record;
+    }
+
+    NKikimrImport::TEvGetImportResponse TestGetImport(TTestActorRuntime& runtime, ui64 id, const TString& dbName,
+            const TVector<Ydb::StatusIds::StatusCode>& expectedStatuses) {
         return TestGetImport(runtime, TTestTxConfig::SchemeShard, id, dbName, expectedStatuses);
-    } 
- 
-    NKikimrImport::TEvGetImportResponse TestGetImport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 id, const TString& dbName, 
-            Ydb::StatusIds::StatusCode expectedStatus) { 
-        return TestGetImport(runtime, schemeshardId, id, dbName, TVector<Ydb::StatusIds::StatusCode>(1, expectedStatus)); 
-    } 
- 
-    NKikimrImport::TEvGetImportResponse TestGetImport(TTestActorRuntime& runtime, ui64 id, const TString& dbName, 
-            Ydb::StatusIds::StatusCode expectedStatus) { 
+    }
+
+    NKikimrImport::TEvGetImportResponse TestGetImport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 id, const TString& dbName,
+            Ydb::StatusIds::StatusCode expectedStatus) {
+        return TestGetImport(runtime, schemeshardId, id, dbName, TVector<Ydb::StatusIds::StatusCode>(1, expectedStatus));
+    }
+
+    NKikimrImport::TEvGetImportResponse TestGetImport(TTestActorRuntime& runtime, ui64 id, const TString& dbName,
+            Ydb::StatusIds::StatusCode expectedStatus) {
         return TestGetImport(runtime, TTestTxConfig::SchemeShard, id, dbName, expectedStatus);
-    } 
- 
-    TEvImport::TEvCancelImportRequest* CancelImportRequest(ui64 txId, const TString& dbName, ui64 importId) { 
-        return new TEvImport::TEvCancelImportRequest(txId, dbName, importId); 
-    } 
- 
-    NKikimrImport::TEvCancelImportResponse TestCancelImport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 txId, const TString& dbName, ui64 importId, 
-            Ydb::StatusIds::StatusCode expectedStatus) { 
+    }
+
+    TEvImport::TEvCancelImportRequest* CancelImportRequest(ui64 txId, const TString& dbName, ui64 importId) {
+        return new TEvImport::TEvCancelImportRequest(txId, dbName, importId);
+    }
+
+    NKikimrImport::TEvCancelImportResponse TestCancelImport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 txId, const TString& dbName, ui64 importId,
+            Ydb::StatusIds::StatusCode expectedStatus) {
         ForwardToTablet(runtime, schemeshardId, runtime.AllocateEdgeActor(), CancelImportRequest(txId, dbName, importId));
- 
-        TAutoPtr<IEventHandle> handle; 
-        auto ev = runtime.GrabEdgeEvent<TEvImport::TEvCancelImportResponse>(handle); 
-        UNIT_ASSERT_EQUAL(ev->Record.GetResponse().GetStatus(), expectedStatus); 
- 
-        return ev->Record; 
-    } 
- 
-    NKikimrImport::TEvCancelImportResponse TestCancelImport(TTestActorRuntime& runtime, ui64 txId, const TString& dbName, ui64 importId, 
-            Ydb::StatusIds::StatusCode expectedStatus) { 
+
+        TAutoPtr<IEventHandle> handle;
+        auto ev = runtime.GrabEdgeEvent<TEvImport::TEvCancelImportResponse>(handle);
+        UNIT_ASSERT_EQUAL(ev->Record.GetResponse().GetStatus(), expectedStatus);
+
+        return ev->Record;
+    }
+
+    NKikimrImport::TEvCancelImportResponse TestCancelImport(TTestActorRuntime& runtime, ui64 txId, const TString& dbName, ui64 importId,
+            Ydb::StatusIds::StatusCode expectedStatus) {
         return TestCancelImport(runtime, TTestTxConfig::SchemeShard, txId, dbName, importId, expectedStatus);
-    } 
- 
+    }
+
     NKikimrSchemeOp::TCreateSolomonVolume TakeTabletsFromAnotherSolomonVol(TString name, TString ls, ui32 count) {
         NKikimrSchemeOp::TCreateSolomonVolume volume;
 
@@ -1366,14 +1366,14 @@ namespace NSchemeShardUT_Private {
                                         (let depth '('DepthLimit (Uint64 '%lu)))
                                         (let paths '('PathsLimit (Uint64 '%lu)))
                                         (let child '('ChildrenLimit (Uint64 '%lu)))
-                                        (let acl '('AclByteSizeLimit (Uint64 '%lu))) 
-                                        (let columns '('TableColumnsLimit (Uint64 '%lu))) 
-                                        (let colName '('TableColumnNameLengthLimit (Uint64 '%lu))) 
-                                        (let keyCols '('TableKeyColumnsLimit (Uint64 '%lu))) 
-                                        (let indices '('TableIndicesLimit (Uint64 '%lu))) 
+                                        (let acl '('AclByteSizeLimit (Uint64 '%lu)))
+                                        (let columns '('TableColumnsLimit (Uint64 '%lu)))
+                                        (let colName '('TableColumnNameLengthLimit (Uint64 '%lu)))
+                                        (let keyCols '('TableKeyColumnsLimit (Uint64 '%lu)))
+                                        (let indices '('TableIndicesLimit (Uint64 '%lu)))
                                         (let shards '('ShardsLimit (Uint64 '%lu)))
                                         (let pathShards '('PathShardsLimit (Uint64 '%lu)))
-                                        (let consCopy '('ConsistentCopyingTargetsLimit (Uint64 '%lu))) 
+                                        (let consCopy '('ConsistentCopyingTargetsLimit (Uint64 '%lu)))
                                         (let maxPathLength '('PathElementLength (Uint64 '%lu)))
                                         (let extraSymbols '('ExtraPathSymbolsAllowed (Utf8 '"%s")))
                                         (let pqPartitions '('PQPartitionsLimit (Uint64 '%lu)))
@@ -1525,26 +1525,26 @@ namespace NSchemeShardUT_Private {
         return { step, txId };
     }
 
-    TEvIndexBuilder::TEvCreateRequest* CreateBuildIndexRequest(ui64 id, const TString& dbName, const TString& src, const TBuildIndexConfig& cfg) { 
+    TEvIndexBuilder::TEvCreateRequest* CreateBuildIndexRequest(ui64 id, const TString& dbName, const TString& src, const TBuildIndexConfig& cfg) {
         NKikimrIndexBuilder::TIndexBuildSettings settings;
         settings.set_source_path(src);
         settings.set_max_batch_rows(2);
         settings.set_max_shards_in_flight(2);
 
         Ydb::Table::TableIndex& index = *settings.mutable_index();
-        index.set_name(cfg.IndexName); 
-        *index.mutable_index_columns() = {cfg.IndexColumns.begin(), cfg.IndexColumns.end()}; 
-        *index.mutable_data_columns() = {cfg.DataColumns.begin(), cfg.DataColumns.end()}; 
+        index.set_name(cfg.IndexName);
+        *index.mutable_index_columns() = {cfg.IndexColumns.begin(), cfg.IndexColumns.end()};
+        *index.mutable_data_columns() = {cfg.DataColumns.begin(), cfg.DataColumns.end()};
 
-        switch (cfg.IndexType) { 
+        switch (cfg.IndexType) {
         case NKikimrSchemeOp::EIndexTypeGlobal:
-            *index.mutable_global_index() = Ydb::Table::GlobalIndex(); 
-            break; 
+            *index.mutable_global_index() = Ydb::Table::GlobalIndex();
+            break;
         case NKikimrSchemeOp::EIndexTypeGlobalAsync:
-            *index.mutable_global_async_index() = Ydb::Table::GlobalAsyncIndex(); 
-            break; 
-        default: 
-            UNIT_ASSERT_C(false, "Unknown index type: " << static_cast<ui32>(cfg.IndexType)); 
+            *index.mutable_global_async_index() = Ydb::Table::GlobalAsyncIndex();
+            break;
+        default:
+            UNIT_ASSERT_C(false, "Unknown index type: " << static_cast<ui32>(cfg.IndexType));
         }
 
         return new TEvIndexBuilder::TEvCreateRequest(id, dbName, std::move(settings));
@@ -1558,25 +1558,25 @@ namespace NSchemeShardUT_Private {
         return result;
     }
 
-    void AsyncBuilIndex(TTestActorRuntime& runtime, ui64 id, ui64 schemeShard, const TString &dbName, const TString &src, const TBuildIndexConfig &cfg) { 
+    void AsyncBuilIndex(TTestActorRuntime& runtime, ui64 id, ui64 schemeShard, const TString &dbName, const TString &src, const TBuildIndexConfig &cfg) {
         auto sender = runtime.AllocateEdgeActor();
-        auto request = CreateBuildIndexRequest(id, dbName, src, cfg); 
+        auto request = CreateBuildIndexRequest(id, dbName, src, cfg);
 
         ForwardToTablet(runtime, schemeShard, sender, request);
     }
 
-    void AsyncBuilIndex(TTestActorRuntime& runtime, ui64 id, ui64 schemeShard, const TString &dbName, 
-                       const TString &src, const TString &name, TVector<TString> columns, TVector<TString> dataColumns) 
-    { 
-        AsyncBuilIndex(runtime, id, schemeShard, dbName, src, TBuildIndexConfig{ 
+    void AsyncBuilIndex(TTestActorRuntime& runtime, ui64 id, ui64 schemeShard, const TString &dbName,
+                       const TString &src, const TString &name, TVector<TString> columns, TVector<TString> dataColumns)
+    {
+        AsyncBuilIndex(runtime, id, schemeShard, dbName, src, TBuildIndexConfig{
             name, NKikimrSchemeOp::EIndexTypeGlobal, columns, dataColumns
-        }); 
-    } 
- 
+        });
+    }
+
     void TestBuilIndex(TTestActorRuntime& runtime, ui64 id, ui64 schemeShard, const TString &dbName,
-                       const TString &src, const TBuildIndexConfig& cfg, Ydb::StatusIds::StatusCode expectedStatus) 
+                       const TString &src, const TBuildIndexConfig& cfg, Ydb::StatusIds::StatusCode expectedStatus)
     {
-        AsyncBuilIndex(runtime, id, schemeShard, dbName, src, cfg); 
+        AsyncBuilIndex(runtime, id, schemeShard, dbName, src, cfg);
 
         TAutoPtr<IEventHandle> handle;
         TEvIndexBuilder::TEvCreateResponse* event = runtime.GrabEdgeEvent<TEvIndexBuilder::TEvCreateResponse>(handle);
@@ -1590,15 +1590,15 @@ namespace NSchemeShardUT_Private {
                                 << " issues was " << PrintIssues(event->Record.GetIssues()));
     }
 
-    void TestBuilIndex(TTestActorRuntime& runtime, ui64 id, ui64 schemeShard, const TString &dbName, 
-                       const TString &src, const TString &name, TVector<TString> columns, 
-                       Ydb::StatusIds::StatusCode expectedStatus) 
-    { 
-        TestBuilIndex(runtime, id, schemeShard, dbName, src, TBuildIndexConfig{ 
+    void TestBuilIndex(TTestActorRuntime& runtime, ui64 id, ui64 schemeShard, const TString &dbName,
+                       const TString &src, const TString &name, TVector<TString> columns,
+                       Ydb::StatusIds::StatusCode expectedStatus)
+    {
+        TestBuilIndex(runtime, id, schemeShard, dbName, src, TBuildIndexConfig{
             name, NKikimrSchemeOp::EIndexTypeGlobal, columns, {}
-        }, expectedStatus); 
-    } 
- 
+        }, expectedStatus);
+    }
+
     TEvIndexBuilder::TEvCancelRequest* CreateCancelBuildIndexRequest(
         const ui64 id, const TString& dbName, const ui64 buildIndexId)
     {
diff --git a/ydb/core/tx/schemeshard/ut_helpers/helpers.h b/ydb/core/tx/schemeshard/ut_helpers/helpers.h
index 08684fe00a..6b12c25534 100644
--- a/ydb/core/tx/schemeshard/ut_helpers/helpers.h
+++ b/ydb/core/tx/schemeshard/ut_helpers/helpers.h
@@ -1,19 +1,19 @@
 #pragma once
 
-#include "ls_checks.h" 
+#include "ls_checks.h"
 #include "test_env.h"
 
-#include <library/cpp/testing/unittest/registar.h> 
- 
-#include <ydb/core/engine/mkql_engine_flat.h> 
-#include <ydb/core/protos/tx_datashard.pb.h> 
-#include <ydb/core/testlib/minikql_compile.h> 
-#include <ydb/core/tx/datashard/datashard.h> 
-#include <ydb/core/tx/schemeshard/schemeshard_build_index.h> 
+#include <library/cpp/testing/unittest/registar.h>
+
+#include <ydb/core/engine/mkql_engine_flat.h>
+#include <ydb/core/protos/tx_datashard.pb.h>
+#include <ydb/core/testlib/minikql_compile.h>
+#include <ydb/core/tx/datashard/datashard.h>
+#include <ydb/core/tx/schemeshard/schemeshard_build_index.h>
 #include <ydb/core/tx/schemeshard/schemeshard_export.h>
 #include <ydb/core/tx/schemeshard/schemeshard_import.h>
-#include <ydb/core/tx/schemeshard/schemeshard_types.h> 
-#include <ydb/library/yql/minikql/mkql_alloc.h> 
+#include <ydb/core/tx/schemeshard/schemeshard_types.h>
+#include <ydb/library/yql/minikql/mkql_alloc.h>
 #include <ydb/library/yql/minikql/mkql_node_serialization.h>
 
 #include <util/stream/null.h>
@@ -22,16 +22,16 @@
 
 #undef Cdbg
 #if 1
-    #define Cdbg Cerr 
+    #define Cdbg Cerr
 #else
-    #define Cdbg Cnull 
+    #define Cdbg Cnull
 #endif
 
 namespace NSchemeShardUT_Private {
     using namespace NKikimr;
 
-    using TEvTx = TEvSchemeShard::TEvModifySchemeTransaction; 
- 
+    using TEvTx = TEvSchemeShard::TEvModifySchemeTransaction;
+
     ////////// tablet
     NKikimrProto::EReplyStatus LocalMiniKQL(TTestActorRuntime& runtime, ui64 tabletId, const TString& query, NKikimrMiniKQL::TResult& result, TString& err);
     NKikimrMiniKQL::TResult LocalMiniKQL(TTestActorRuntime& runtime, ui64 tabletId, const TString& query);
@@ -51,10 +51,10 @@ namespace NSchemeShardUT_Private {
     ////////// describe
     NKikimrScheme::TEvDescribeSchemeResult DescribePath(TTestActorRuntime& runtime, ui64 schemeShard, const TString& path, const NKikimrSchemeOp::TDescribeOptions& opts);
     NKikimrScheme::TEvDescribeSchemeResult DescribePath(TTestActorRuntime& runtime, const TString& path, const NKikimrSchemeOp::TDescribeOptions& opts);
-    NKikimrScheme::TEvDescribeSchemeResult DescribePrivatePath(TTestActorRuntime& runtime, ui64 schemeShard, const TString& path, bool returnPartitioning = false, bool returnBoundaries = false); 
-    NKikimrScheme::TEvDescribeSchemeResult DescribePrivatePath(TTestActorRuntime& runtime, const TString& path, bool returnPartitioning = false, bool returnBoundaries = false); 
-    NKikimrScheme::TEvDescribeSchemeResult DescribePath(TTestActorRuntime& runtime, ui64 schemeShard, const TString& path, bool returnPartitioning = false, bool returnBoundaries = false, bool showPrivate = false, bool returnBackups = false); 
-    NKikimrScheme::TEvDescribeSchemeResult DescribePath(TTestActorRuntime& runtime, const TString& path, bool returnPartitioning = false, bool returnBoundaries = false, bool showPrivate = false, bool returnBackups = false); 
+    NKikimrScheme::TEvDescribeSchemeResult DescribePrivatePath(TTestActorRuntime& runtime, ui64 schemeShard, const TString& path, bool returnPartitioning = false, bool returnBoundaries = false);
+    NKikimrScheme::TEvDescribeSchemeResult DescribePrivatePath(TTestActorRuntime& runtime, const TString& path, bool returnPartitioning = false, bool returnBoundaries = false);
+    NKikimrScheme::TEvDescribeSchemeResult DescribePath(TTestActorRuntime& runtime, ui64 schemeShard, const TString& path, bool returnPartitioning = false, bool returnBoundaries = false, bool showPrivate = false, bool returnBackups = false);
+    NKikimrScheme::TEvDescribeSchemeResult DescribePath(TTestActorRuntime& runtime, const TString& path, bool returnPartitioning = false, bool returnBoundaries = false, bool showPrivate = false, bool returnBackups = false);
     TPathVersion ExtructPathVersion(const NKikimrScheme::TEvDescribeSchemeResult& describe);
     TPathVersion TestDescribeResult(const NKikimrScheme::TEvDescribeSchemeResult& describe, TVector<NLs::TCheckFunc> checks = {});
 
@@ -65,186 +65,186 @@ namespace NSchemeShardUT_Private {
 
     ////////// modification results
     void CheckExpected(const TVector<TEvSchemeShard::EStatus>& expected, TEvSchemeShard::EStatus result, const TString& reason);
-    void CheckExpected(const TVector<Ydb::StatusIds::StatusCode>& expected, Ydb::StatusIds::StatusCode result, const TString& reason); 
+    void CheckExpected(const TVector<Ydb::StatusIds::StatusCode>& expected, Ydb::StatusIds::StatusCode result, const TString& reason);
     void TestModificationResult(TTestActorRuntime& runtime, ui64 txId,TEvSchemeShard::EStatus expectedResult = NKikimrScheme::StatusAccepted);
     ui64 TestModificationResults(TTestActorRuntime& runtime, ui64 txId, const TVector<TEvSchemeShard::EStatus>& expectedResults);
     void SkipModificationReply(TTestActorRuntime& runtime, ui32 num = 1);
 
-    TEvTx* CombineSchemeTransactions(const TVector<TEvTx*>& transactions); 
-    void AsyncSendTransaction(TTestActorRuntime& runtime, ui64 schemeShard, TEvTx* evTx); 
-
-    ////////// generic 
-
-    #define UT_GENERIC_PARAMS \ 
-        const TString& parentPath, const TString& scheme 
-    #define UT_PARAMS_BY_PATH_ID \ 
-        ui64 pathId 
-
-    #define DEFINE_HELPERS(name, params, ...) \ 
-        TEvTx* name##Request(ui64 schemeShardId, ui64 txId, params, __VA_ARGS__); \ 
-        TEvTx* name##Request(ui64 txId, params, __VA_ARGS__); \ 
-        void Async##name(TTestActorRuntime& runtime, ui64 schemeShardId, ui64 txId, params, __VA_ARGS__); \ 
-        void Async##name(TTestActorRuntime& runtime, ui64 txId, params, __VA_ARGS__); \ 
-        ui64 Test##name(TTestActorRuntime& runtime, ui64 schemeShardId, ui64 txId, params, \ 
-            const TVector<TEvSchemeShard::EStatus>& expectedResults = {NKikimrScheme::StatusAccepted}, __VA_ARGS__); \ 
-        ui64 Test##name(TTestActorRuntime& runtime, ui64 txId, params, \ 
-            const TVector<TEvSchemeShard::EStatus>& expectedResults = {NKikimrScheme::StatusAccepted}, __VA_ARGS__) 
-
-    #define GENERIC_HELPERS(name) DEFINE_HELPERS(name, UT_GENERIC_PARAMS, const TApplyIf& applyIf = {}) 
-    #define GENERIC_WITH_ATTRS_HELPERS(name) DEFINE_HELPERS(name, UT_GENERIC_PARAMS, const NKikimrSchemeOp::TAlterUserAttributes& userAttrs = {}, const TApplyIf& applyIf = {}) 
-    #define DROP_BY_PATH_ID_HELPERS(name) DEFINE_HELPERS(name, UT_PARAMS_BY_PATH_ID, const TApplyIf& applyIf = {}) 
-
-    // subdomain 
-    GENERIC_WITH_ATTRS_HELPERS(CreateSubDomain); 
-    GENERIC_HELPERS(AlterSubDomain); 
-    GENERIC_HELPERS(DropSubDomain); 
-    GENERIC_HELPERS(ForceDropSubDomain); 
-    ui64 TestCreateSubDomain(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& scheme, 
-        const NKikimrSchemeOp::TAlterUserAttributes& userAttrs); 
- 
-    // ext subdomain 
-    GENERIC_WITH_ATTRS_HELPERS(CreateExtSubDomain); 
-    GENERIC_WITH_ATTRS_HELPERS(AlterExtSubDomain); 
-    GENERIC_HELPERS(ForceDropExtSubDomain); 
-    ui64 TestCreateExtSubDomain(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& scheme, 
-        const NKikimrSchemeOp::TAlterUserAttributes& userAttrs); 
- 
-    // dir 
-    GENERIC_WITH_ATTRS_HELPERS(MkDir); 
-    GENERIC_HELPERS(RmDir); 
-    DROP_BY_PATH_ID_HELPERS(ForceDropUnsafe); 
- 
-    // user attrs 
-    GENERIC_WITH_ATTRS_HELPERS(UserAttrs); 
+    TEvTx* CombineSchemeTransactions(const TVector<TEvTx*>& transactions);
+    void AsyncSendTransaction(TTestActorRuntime& runtime, ui64 schemeShard, TEvTx* evTx);
+
+    ////////// generic
+
+    #define UT_GENERIC_PARAMS \
+        const TString& parentPath, const TString& scheme
+    #define UT_PARAMS_BY_PATH_ID \
+        ui64 pathId
+
+    #define DEFINE_HELPERS(name, params, ...) \
+        TEvTx* name##Request(ui64 schemeShardId, ui64 txId, params, __VA_ARGS__); \
+        TEvTx* name##Request(ui64 txId, params, __VA_ARGS__); \
+        void Async##name(TTestActorRuntime& runtime, ui64 schemeShardId, ui64 txId, params, __VA_ARGS__); \
+        void Async##name(TTestActorRuntime& runtime, ui64 txId, params, __VA_ARGS__); \
+        ui64 Test##name(TTestActorRuntime& runtime, ui64 schemeShardId, ui64 txId, params, \
+            const TVector<TEvSchemeShard::EStatus>& expectedResults = {NKikimrScheme::StatusAccepted}, __VA_ARGS__); \
+        ui64 Test##name(TTestActorRuntime& runtime, ui64 txId, params, \
+            const TVector<TEvSchemeShard::EStatus>& expectedResults = {NKikimrScheme::StatusAccepted}, __VA_ARGS__)
+
+    #define GENERIC_HELPERS(name) DEFINE_HELPERS(name, UT_GENERIC_PARAMS, const TApplyIf& applyIf = {})
+    #define GENERIC_WITH_ATTRS_HELPERS(name) DEFINE_HELPERS(name, UT_GENERIC_PARAMS, const NKikimrSchemeOp::TAlterUserAttributes& userAttrs = {}, const TApplyIf& applyIf = {})
+    #define DROP_BY_PATH_ID_HELPERS(name) DEFINE_HELPERS(name, UT_PARAMS_BY_PATH_ID, const TApplyIf& applyIf = {})
+
+    // subdomain
+    GENERIC_WITH_ATTRS_HELPERS(CreateSubDomain);
+    GENERIC_HELPERS(AlterSubDomain);
+    GENERIC_HELPERS(DropSubDomain);
+    GENERIC_HELPERS(ForceDropSubDomain);
+    ui64 TestCreateSubDomain(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& scheme,
+        const NKikimrSchemeOp::TAlterUserAttributes& userAttrs);
+
+    // ext subdomain
+    GENERIC_WITH_ATTRS_HELPERS(CreateExtSubDomain);
+    GENERIC_WITH_ATTRS_HELPERS(AlterExtSubDomain);
+    GENERIC_HELPERS(ForceDropExtSubDomain);
+    ui64 TestCreateExtSubDomain(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& scheme,
+        const NKikimrSchemeOp::TAlterUserAttributes& userAttrs);
+
+    // dir
+    GENERIC_WITH_ATTRS_HELPERS(MkDir);
+    GENERIC_HELPERS(RmDir);
+    DROP_BY_PATH_ID_HELPERS(ForceDropUnsafe);
+
+    // user attrs
+    GENERIC_WITH_ATTRS_HELPERS(UserAttrs);
     NKikimrSchemeOp::TAlterUserAttributes AlterUserAttrs(const TVector<std::pair<TString, TString>>& add, const TVector<TString>& drop = {});
-    ui64 TestUserAttrs(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& name, 
-        const NKikimrSchemeOp::TAlterUserAttributes& userAttrs); 
-
-    // table 
-    GENERIC_WITH_ATTRS_HELPERS(CreateTable); 
-    GENERIC_HELPERS(CreateIndexedTable); 
-    GENERIC_HELPERS(ConsistentCopyTables); 
-    GENERIC_HELPERS(AlterTable); 
-    GENERIC_HELPERS(SplitTable); 
-    GENERIC_HELPERS(DropTable); 
-    DROP_BY_PATH_ID_HELPERS(DropTable); 
-    GENERIC_HELPERS(DropTableIndex); 
-
-    // backup & restore 
-    GENERIC_HELPERS(BackupTable); 
-    GENERIC_HELPERS(Restore); 
-
-    // cdc stream 
-    GENERIC_HELPERS(CreateCdcStream); 
-    GENERIC_HELPERS(AlterCdcStream); 
-    GENERIC_HELPERS(DropCdcStream); 
-
-    // olap store 
-    GENERIC_HELPERS(CreateOlapStore); 
-    GENERIC_HELPERS(AlterOlapStore); 
-    GENERIC_HELPERS(DropOlapStore); 
-    DROP_BY_PATH_ID_HELPERS(DropOlapStore); 
-
-    // olap table 
-    GENERIC_HELPERS(CreateOlapTable); 
-    GENERIC_HELPERS(AlterOlapTable); 
-    GENERIC_HELPERS(DropOlapTable); 
-    DROP_BY_PATH_ID_HELPERS(DropOlapTable); 
-
-    // sequence 
-    GENERIC_HELPERS(CreateSequence); 
-    GENERIC_HELPERS(DropSequence); 
-    DROP_BY_PATH_ID_HELPERS(DropSequence); 
-
-    // replication 
-    GENERIC_HELPERS(CreateReplication); 
-    GENERIC_HELPERS(DropReplication); 
-    DROP_BY_PATH_ID_HELPERS(DropReplication); 
- 
-    // pq 
-    GENERIC_HELPERS(CreatePQGroup); 
-    GENERIC_HELPERS(AlterPQGroup); 
-    GENERIC_HELPERS(DropPQGroup); 
-    DROP_BY_PATH_ID_HELPERS(DropPQGroup); 
-
-    // rtmr 
-    GENERIC_HELPERS(CreateRtmrVolume); 
-
-    // solomon 
-    GENERIC_HELPERS(CreateSolomon); 
-    GENERIC_HELPERS(AlterSolomon); 
-    GENERIC_HELPERS(DropSolomon); 
-    DROP_BY_PATH_ID_HELPERS(DropSolomon); 
-    NKikimrSchemeOp::TCreateSolomonVolume TakeTabletsFromAnotherSolomonVol(TString name, TString ls, ui32 count = 0); 
-
-    // kesus 
-    GENERIC_HELPERS(CreateKesus); 
-    GENERIC_HELPERS(AlterKesus); 
-    GENERIC_HELPERS(DropKesus); 
-    DROP_BY_PATH_ID_HELPERS(DropKesus); 
-
-    // filestore 
-    GENERIC_HELPERS(CreateFileStore); 
-    GENERIC_HELPERS(AlterFileStore); 
-    GENERIC_HELPERS(DropFileStore); 
-    DROP_BY_PATH_ID_HELPERS(DropFileStore); 
-
-    // nbs 
-    GENERIC_HELPERS(CreateBlockStoreVolume); 
-    GENERIC_HELPERS(AlterBlockStoreVolume); 
-    GENERIC_HELPERS(DropBlockStoreVolume); 
-    DROP_BY_PATH_ID_HELPERS(DropBlockStoreVolume); 
-    void AsyncAssignBlockStoreVolume(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& name, const TString& mountToken, ui64 tokenVersion = 0); 
-    void TestAssignBlockStoreVolume(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& name, const TString& mountToken, ui64 tokenVersion = 0, const TVector<TEvSchemeShard::EStatus>& expectedResults = {NKikimrScheme::StatusSuccess}); 
- 
-    #undef DROP_BY_PATH_ID_HELPERS 
-    #undef GENERIC_WITH_ATTRS_HELPERS 
-    #undef GENERIC_HELPERS 
-    #undef DEFINE_HELPERS 
-    #undef UT_PARAMS_BY_PATH_ID 
-    #undef UT_GENERIC_PARAMS 
- 
-    ////////// non-generic 
- 
-    // cancel tx 
-    TEvSchemeShard::TEvCancelTx* CancelTxRequest(ui64 txId, ui64 targetTxId); 
-    void AsyncCancelTxTable(TTestActorRuntime& runtime, ui64 txId, ui64 targetTxId); 
-    void TestCancelTxTable(TTestActorRuntime& runtime, ui64 txId, ui64 targetTxId, 
-                               const TVector<TEvSchemeShard::EStatus>& expectedResults = {NKikimrScheme::StatusAccepted}); 
- 
-    // modify acl 
-    TEvTx* CreateModifyACLRequest(ui64 txId, TString parentPath, TString name, const TString& diffAcl, const TString& newOwner); 
-    void AsyncModifyACL(TTestActorRuntime& runtime, ui64 txId, TString parentPath, TString name, const TString& diffAcl, const TString& newOwner); 
-    void AsyncModifyACL(TTestActorRuntime& runtime, ui64 schemeShard, ui64 txId, TString parentPath, TString name, const TString& diffAcl, const TString& newOwner); 
-    void TestModifyACL(TTestActorRuntime& runtime, ui64 txId, TString parentPath, TString name, const TString& diffAcl, const TString& newOwner, TEvSchemeShard::EStatus expectedResult = NKikimrScheme::StatusSuccess); 
-    void TestModifyACL(TTestActorRuntime& runtime, ui64 schemeShard, ui64 txId, TString parentPath, TString name, const TString& diffAcl, const TString& newOwner, TEvSchemeShard::EStatus expectedResult = NKikimrScheme::StatusSuccess); 
- 
-    // upgrade subdomain 
-    TEvTx* UpgradeSubDomainRequest(ui64 txId, const TString& parentPath, const TString& name); 
-    void AsyncUpgradeSubDomain(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& name); 
-    void TestUpgradeSubDomain(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& name, const TVector<TEvSchemeShard::EStatus>& expectedResults); 
-    void TestUpgradeSubDomain(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& name); 
- 
-    TEvTx* UpgradeSubDomainDecisionRequest(ui64 txId, const TString& parentPath, const TString& name, NKikimrSchemeOp::TUpgradeSubDomain::EDecision taskType); 
-    void AsyncUpgradeSubDomainDecision(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& name, NKikimrSchemeOp::TUpgradeSubDomain::EDecision taskType); 
-    void TestUpgradeSubDomainDecision(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& name, const TVector<TEvSchemeShard::EStatus>& expectedResults, NKikimrSchemeOp::TUpgradeSubDomain::EDecision taskType); 
-    void TestUpgradeSubDomainDecision(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& name, NKikimrSchemeOp::TUpgradeSubDomain::EDecision taskType); 
- 
-    // copy table 
-    TEvTx* CopyTableRequest(ui64 txId, const TString& dstPath, const TString& dstName, const TString& srcFullName, TApplyIf applyIf = {}); 
+    ui64 TestUserAttrs(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& name,
+        const NKikimrSchemeOp::TAlterUserAttributes& userAttrs);
+
+    // table
+    GENERIC_WITH_ATTRS_HELPERS(CreateTable);
+    GENERIC_HELPERS(CreateIndexedTable);
+    GENERIC_HELPERS(ConsistentCopyTables);
+    GENERIC_HELPERS(AlterTable);
+    GENERIC_HELPERS(SplitTable);
+    GENERIC_HELPERS(DropTable);
+    DROP_BY_PATH_ID_HELPERS(DropTable);
+    GENERIC_HELPERS(DropTableIndex);
+
+    // backup & restore
+    GENERIC_HELPERS(BackupTable);
+    GENERIC_HELPERS(Restore);
+
+    // cdc stream
+    GENERIC_HELPERS(CreateCdcStream);
+    GENERIC_HELPERS(AlterCdcStream);
+    GENERIC_HELPERS(DropCdcStream);
+
+    // olap store
+    GENERIC_HELPERS(CreateOlapStore);
+    GENERIC_HELPERS(AlterOlapStore);
+    GENERIC_HELPERS(DropOlapStore);
+    DROP_BY_PATH_ID_HELPERS(DropOlapStore);
+
+    // olap table
+    GENERIC_HELPERS(CreateOlapTable);
+    GENERIC_HELPERS(AlterOlapTable);
+    GENERIC_HELPERS(DropOlapTable);
+    DROP_BY_PATH_ID_HELPERS(DropOlapTable);
+
+    // sequence
+    GENERIC_HELPERS(CreateSequence);
+    GENERIC_HELPERS(DropSequence);
+    DROP_BY_PATH_ID_HELPERS(DropSequence);
+
+    // replication
+    GENERIC_HELPERS(CreateReplication);
+    GENERIC_HELPERS(DropReplication);
+    DROP_BY_PATH_ID_HELPERS(DropReplication);
+
+    // pq
+    GENERIC_HELPERS(CreatePQGroup);
+    GENERIC_HELPERS(AlterPQGroup);
+    GENERIC_HELPERS(DropPQGroup);
+    DROP_BY_PATH_ID_HELPERS(DropPQGroup);
+
+    // rtmr
+    GENERIC_HELPERS(CreateRtmrVolume);
+
+    // solomon
+    GENERIC_HELPERS(CreateSolomon);
+    GENERIC_HELPERS(AlterSolomon);
+    GENERIC_HELPERS(DropSolomon);
+    DROP_BY_PATH_ID_HELPERS(DropSolomon);
+    NKikimrSchemeOp::TCreateSolomonVolume TakeTabletsFromAnotherSolomonVol(TString name, TString ls, ui32 count = 0);
+
+    // kesus
+    GENERIC_HELPERS(CreateKesus);
+    GENERIC_HELPERS(AlterKesus);
+    GENERIC_HELPERS(DropKesus);
+    DROP_BY_PATH_ID_HELPERS(DropKesus);
+
+    // filestore
+    GENERIC_HELPERS(CreateFileStore);
+    GENERIC_HELPERS(AlterFileStore);
+    GENERIC_HELPERS(DropFileStore);
+    DROP_BY_PATH_ID_HELPERS(DropFileStore);
+
+    // nbs
+    GENERIC_HELPERS(CreateBlockStoreVolume);
+    GENERIC_HELPERS(AlterBlockStoreVolume);
+    GENERIC_HELPERS(DropBlockStoreVolume);
+    DROP_BY_PATH_ID_HELPERS(DropBlockStoreVolume);
+    void AsyncAssignBlockStoreVolume(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& name, const TString& mountToken, ui64 tokenVersion = 0);
+    void TestAssignBlockStoreVolume(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& name, const TString& mountToken, ui64 tokenVersion = 0, const TVector<TEvSchemeShard::EStatus>& expectedResults = {NKikimrScheme::StatusSuccess});
+
+    #undef DROP_BY_PATH_ID_HELPERS
+    #undef GENERIC_WITH_ATTRS_HELPERS
+    #undef GENERIC_HELPERS
+    #undef DEFINE_HELPERS
+    #undef UT_PARAMS_BY_PATH_ID
+    #undef UT_GENERIC_PARAMS
+
+    ////////// non-generic
+
+    // cancel tx
+    TEvSchemeShard::TEvCancelTx* CancelTxRequest(ui64 txId, ui64 targetTxId);
+    void AsyncCancelTxTable(TTestActorRuntime& runtime, ui64 txId, ui64 targetTxId);
+    void TestCancelTxTable(TTestActorRuntime& runtime, ui64 txId, ui64 targetTxId,
+                               const TVector<TEvSchemeShard::EStatus>& expectedResults = {NKikimrScheme::StatusAccepted});
+
+    // modify acl
+    TEvTx* CreateModifyACLRequest(ui64 txId, TString parentPath, TString name, const TString& diffAcl, const TString& newOwner);
+    void AsyncModifyACL(TTestActorRuntime& runtime, ui64 txId, TString parentPath, TString name, const TString& diffAcl, const TString& newOwner);
+    void AsyncModifyACL(TTestActorRuntime& runtime, ui64 schemeShard, ui64 txId, TString parentPath, TString name, const TString& diffAcl, const TString& newOwner);
+    void TestModifyACL(TTestActorRuntime& runtime, ui64 txId, TString parentPath, TString name, const TString& diffAcl, const TString& newOwner, TEvSchemeShard::EStatus expectedResult = NKikimrScheme::StatusSuccess);
+    void TestModifyACL(TTestActorRuntime& runtime, ui64 schemeShard, ui64 txId, TString parentPath, TString name, const TString& diffAcl, const TString& newOwner, TEvSchemeShard::EStatus expectedResult = NKikimrScheme::StatusSuccess);
+
+    // upgrade subdomain
+    TEvTx* UpgradeSubDomainRequest(ui64 txId, const TString& parentPath, const TString& name);
+    void AsyncUpgradeSubDomain(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& name);
+    void TestUpgradeSubDomain(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& name, const TVector<TEvSchemeShard::EStatus>& expectedResults);
+    void TestUpgradeSubDomain(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& name);
+
+    TEvTx* UpgradeSubDomainDecisionRequest(ui64 txId, const TString& parentPath, const TString& name, NKikimrSchemeOp::TUpgradeSubDomain::EDecision taskType);
+    void AsyncUpgradeSubDomainDecision(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& name, NKikimrSchemeOp::TUpgradeSubDomain::EDecision taskType);
+    void TestUpgradeSubDomainDecision(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& name, const TVector<TEvSchemeShard::EStatus>& expectedResults, NKikimrSchemeOp::TUpgradeSubDomain::EDecision taskType);
+    void TestUpgradeSubDomainDecision(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& name, NKikimrSchemeOp::TUpgradeSubDomain::EDecision taskType);
+
+    // copy table
+    TEvTx* CopyTableRequest(ui64 txId, const TString& dstPath, const TString& dstName, const TString& srcFullName, TApplyIf applyIf = {});
     void AsyncCopyTable(TTestActorRuntime& runtime, ui64 schemeShard, ui64 txId, const TString& dstPath, const TString& dstName, const TString& srcFullName);
     void AsyncCopyTable(TTestActorRuntime& runtime, ui64 txId, const TString& dstPath, const TString& dstName, const TString& srcFullName);
     void TestCopyTable(TTestActorRuntime& runtime, ui64 schemeShard, ui64 txId, const TString& dstPath, const TString& dstName, const TString& srcFullName, TEvSchemeShard::EStatus expectedResult = NKikimrScheme::StatusAccepted);
     void TestCopyTable(TTestActorRuntime& runtime, ui64 txId, const TString& dstPath, const TString& dstName, const TString& srcFullName, TEvSchemeShard::EStatus expectedResult = NKikimrScheme::StatusAccepted);
 
-    // move table 
+    // move table
     TEvTx* MoveTableRequest(ui64 txId, const TString& srcPath, const TString& dstPath, ui64 schemeShard = TTestTxConfig::SchemeShard, const TApplyIf& applyIf = {});
     void AsyncMoveTable(TTestActorRuntime& runtime, ui64 txId, const TString& srcPath, const TString& dstPath, ui64 schemeShard = TTestTxConfig::SchemeShard);
     void TestMoveTable(TTestActorRuntime& runtime, ui64 txId, const TString& srcMove, const TString& dstMove, const TVector<TEvSchemeShard::EStatus>& expectedResults = {NKikimrScheme::StatusAccepted});
     void TestMoveTable(TTestActorRuntime& runtime, ui64 schemeShard, ui64 txId, const TString& srcMove, const TString& dstMove, const TVector<TEvSchemeShard::EStatus>& expectedResults = {NKikimrScheme::StatusAccepted});
 
-    // locks 
-    TEvTx* LockRequest(ui64 txId, const TString &parentPath, const TString& name); 
+    // locks
+    TEvTx* LockRequest(ui64 txId, const TString &parentPath, const TString& name);
     void AsyncLock(TTestActorRuntime& runtime, ui64 schemeShard, ui64 txId, const TString& parentPath, const TString& name);
     void AsyncLock(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& name);
     void TestLock(TTestActorRuntime& runtime, ui64 schemeShard, ui64 txId, const TString& parentPath, const TString& name,
@@ -258,77 +258,77 @@ namespace NSchemeShardUT_Private {
     void TestUnlock(TTestActorRuntime& runtime, ui64 txId, ui64 lockId, const TString& parentPath, const TString& name,
                   const TVector<TEvSchemeShard::EStatus> expectedResults = {NKikimrScheme::StatusAccepted});
 
-    // index build 
-    struct TBuildIndexConfig { 
-        TString IndexName; 
-        NKikimrSchemeOp::EIndexType IndexType = NKikimrSchemeOp::EIndexTypeGlobal; 
-        TVector<TString> IndexColumns; 
-        TVector<TString> DataColumns; 
-    }; 
-
-    TEvIndexBuilder::TEvCreateRequest* CreateBuildIndexRequest(ui64 id, const TString& dbName, const TString& src, const TBuildIndexConfig& cfg); 
-    void AsyncBuilIndex(TTestActorRuntime& runtime, ui64 id, ui64 schemeShard, const TString &dbName, const TString &src, const TBuildIndexConfig &cfg); 
-    void AsyncBuilIndex(TTestActorRuntime& runtime, ui64 id, ui64 schemeShard, const TString &dbName, const TString &src, const TString &name, TVector<TString> columns, TVector<TString> dataColumns = {}); 
-    void TestBuilIndex(TTestActorRuntime& runtime, ui64 id, ui64 schemeShard, const TString &dbName, const TString &src, const TBuildIndexConfig &cfg, Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS); 
-    void TestBuilIndex(TTestActorRuntime& runtime, ui64 id, ui64 schemeShard, const TString &dbName, const TString &src, const TString &name, TVector<TString> columns, Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS); 
-    TEvIndexBuilder::TEvCancelRequest* CreateCancelBuildIndexRequest(const ui64 id, const TString& dbName, const ui64 buildIndexId); 
-    NKikimrIndexBuilder::TEvCancelResponse TestCancelBuildIndex(TTestActorRuntime& runtime, const ui64 id, const ui64 schemeShard, const TString &dbName, const ui64 buildIndexId, const TVector<Ydb::StatusIds::StatusCode>& expectedStatuses = {Ydb::StatusIds::SUCCESS}); 
-    TEvIndexBuilder::TEvListRequest* ListBuildIndexRequest(const TString& dbName); 
-    NKikimrIndexBuilder::TEvListResponse TestListBuilIndex(TTestActorRuntime& runtime, ui64 schemeShard, const TString &dbName); 
-    TEvIndexBuilder::TEvGetRequest* GetBuildIndexRequest(const TString& dbName, ui64 id); 
-    NKikimrIndexBuilder::TEvGetResponse TestGetBuilIndex(TTestActorRuntime& runtime, ui64 schemeShard, const TString &dbName, ui64 id); 
-    TEvIndexBuilder::TEvForgetRequest* ForgetBuildIndexRequest(const ui64 id, const TString &dbName, const ui64 buildIndexId); 
-    NKikimrIndexBuilder::TEvForgetResponse TestForgetBuilIndex(TTestActorRuntime& runtime, const ui64 id, const ui64 schemeShard, const TString &dbName, const ui64 buildIndexId, Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS); 
-
-    ////////// export 
-    void AsyncExport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 id, const TString& dbName, const TString& requestStr, const TString& userSID = ""); 
-    void AsyncExport(TTestActorRuntime& runtime, ui64 id, const TString& dbName, const TString& requestStr, const TString& userSID = ""); 
-    void TestExport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 id, const TString& dbName, const TString& requestStr, const TString& userSID = "", 
-            Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS); 
-    void TestExport(TTestActorRuntime& runtime, ui64 id, const TString& dbName, const TString& requestStr, const TString& userSID = "", 
-            Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS); 
-    NKikimrExport::TEvGetExportResponse TestGetExport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 id, const TString& dbName, 
-            const TVector<Ydb::StatusIds::StatusCode>& expectedStatuses); 
-    NKikimrExport::TEvGetExportResponse TestGetExport(TTestActorRuntime& runtime, ui64 id, const TString& dbName, 
-            const TVector<Ydb::StatusIds::StatusCode>& expectedStatuses); 
-    NKikimrExport::TEvGetExportResponse TestGetExport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 id, const TString& dbName, 
-            Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS); 
-    NKikimrExport::TEvGetExportResponse TestGetExport(TTestActorRuntime& runtime, ui64 id, const TString& dbName, 
-            Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS); 
-    TEvExport::TEvCancelExportRequest* CancelExportRequest(ui64 txId, const TString& dbName, ui64 exportId); 
-    NKikimrExport::TEvCancelExportResponse TestCancelExport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 txId, const TString& dbName, ui64 exportId, 
-            Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS); 
-    NKikimrExport::TEvCancelExportResponse TestCancelExport(TTestActorRuntime& runtime, ui64 txId, const TString& dbName, ui64 exportId, 
-            Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS); 
-    TEvExport::TEvForgetExportRequest* ForgetExportRequest(ui64 txId, const TString& dbName, ui64 exportId); 
-    void AsyncForgetExport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 txId, const TString& dbName, ui64 exportId); 
-    void AsyncForgetExport(TTestActorRuntime& runtime, ui64 txId, const TString& dbName, ui64 exportId); 
-    NKikimrExport::TEvForgetExportResponse TestForgetExport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 txId, const TString& dbName, ui64 exportId, 
-            Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS); 
-    NKikimrExport::TEvForgetExportResponse TestForgetExport(TTestActorRuntime& runtime, ui64 txId, const TString& dbName, ui64 exportId, 
-            Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS); 
- 
-    ////////// import 
-    void AsyncImport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 id, const TString& dbName, const TString& requestStr); 
-    void AsyncImport(TTestActorRuntime& runtime, ui64 id, const TString& dbName, const TString& requestStr); 
-    void TestImport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 id, const TString& dbName, const TString& requestStr, 
-            Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS); 
-    void TestImport(TTestActorRuntime& runtime, ui64 id, const TString& dbName, const TString& requestStr, 
-            Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS); 
-    NKikimrImport::TEvGetImportResponse TestGetImport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 id, const TString& dbName, 
-            const TVector<Ydb::StatusIds::StatusCode>& expectedStatuses); 
-    NKikimrImport::TEvGetImportResponse TestGetImport(TTestActorRuntime& runtime, ui64 id, const TString& dbName, 
-            const TVector<Ydb::StatusIds::StatusCode>& expectedStatuses); 
-    NKikimrImport::TEvGetImportResponse TestGetImport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 id, const TString& dbName, 
-            Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS); 
-    NKikimrImport::TEvGetImportResponse TestGetImport(TTestActorRuntime& runtime, ui64 id, const TString& dbName, 
-            Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS); 
-    TEvImport::TEvCancelImportRequest* CancelImportRequest(ui64 txId, const TString& dbName, ui64 importId); 
-    NKikimrImport::TEvCancelImportResponse TestCancelImport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 txId, const TString& dbName, ui64 importId, 
-            Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS); 
-    NKikimrImport::TEvCancelImportResponse TestCancelImport(TTestActorRuntime& runtime, ui64 txId, const TString& dbName, ui64 importId, 
-            Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS); 
- 
+    // index build
+    struct TBuildIndexConfig {
+        TString IndexName;
+        NKikimrSchemeOp::EIndexType IndexType = NKikimrSchemeOp::EIndexTypeGlobal;
+        TVector<TString> IndexColumns;
+        TVector<TString> DataColumns;
+    };
+
+    TEvIndexBuilder::TEvCreateRequest* CreateBuildIndexRequest(ui64 id, const TString& dbName, const TString& src, const TBuildIndexConfig& cfg);
+    void AsyncBuilIndex(TTestActorRuntime& runtime, ui64 id, ui64 schemeShard, const TString &dbName, const TString &src, const TBuildIndexConfig &cfg);
+    void AsyncBuilIndex(TTestActorRuntime& runtime, ui64 id, ui64 schemeShard, const TString &dbName, const TString &src, const TString &name, TVector<TString> columns, TVector<TString> dataColumns = {});
+    void TestBuilIndex(TTestActorRuntime& runtime, ui64 id, ui64 schemeShard, const TString &dbName, const TString &src, const TBuildIndexConfig &cfg, Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS);
+    void TestBuilIndex(TTestActorRuntime& runtime, ui64 id, ui64 schemeShard, const TString &dbName, const TString &src, const TString &name, TVector<TString> columns, Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS);
+    TEvIndexBuilder::TEvCancelRequest* CreateCancelBuildIndexRequest(const ui64 id, const TString& dbName, const ui64 buildIndexId);
+    NKikimrIndexBuilder::TEvCancelResponse TestCancelBuildIndex(TTestActorRuntime& runtime, const ui64 id, const ui64 schemeShard, const TString &dbName, const ui64 buildIndexId, const TVector<Ydb::StatusIds::StatusCode>& expectedStatuses = {Ydb::StatusIds::SUCCESS});
+    TEvIndexBuilder::TEvListRequest* ListBuildIndexRequest(const TString& dbName);
+    NKikimrIndexBuilder::TEvListResponse TestListBuilIndex(TTestActorRuntime& runtime, ui64 schemeShard, const TString &dbName);
+    TEvIndexBuilder::TEvGetRequest* GetBuildIndexRequest(const TString& dbName, ui64 id);
+    NKikimrIndexBuilder::TEvGetResponse TestGetBuilIndex(TTestActorRuntime& runtime, ui64 schemeShard, const TString &dbName, ui64 id);
+    TEvIndexBuilder::TEvForgetRequest* ForgetBuildIndexRequest(const ui64 id, const TString &dbName, const ui64 buildIndexId);
+    NKikimrIndexBuilder::TEvForgetResponse TestForgetBuilIndex(TTestActorRuntime& runtime, const ui64 id, const ui64 schemeShard, const TString &dbName, const ui64 buildIndexId, Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS);
+
+    ////////// export
+    void AsyncExport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 id, const TString& dbName, const TString& requestStr, const TString& userSID = "");
+    void AsyncExport(TTestActorRuntime& runtime, ui64 id, const TString& dbName, const TString& requestStr, const TString& userSID = "");
+    void TestExport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 id, const TString& dbName, const TString& requestStr, const TString& userSID = "",
+            Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS);
+    void TestExport(TTestActorRuntime& runtime, ui64 id, const TString& dbName, const TString& requestStr, const TString& userSID = "",
+            Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS);
+    NKikimrExport::TEvGetExportResponse TestGetExport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 id, const TString& dbName,
+            const TVector<Ydb::StatusIds::StatusCode>& expectedStatuses);
+    NKikimrExport::TEvGetExportResponse TestGetExport(TTestActorRuntime& runtime, ui64 id, const TString& dbName,
+            const TVector<Ydb::StatusIds::StatusCode>& expectedStatuses);
+    NKikimrExport::TEvGetExportResponse TestGetExport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 id, const TString& dbName,
+            Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS);
+    NKikimrExport::TEvGetExportResponse TestGetExport(TTestActorRuntime& runtime, ui64 id, const TString& dbName,
+            Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS);
+    TEvExport::TEvCancelExportRequest* CancelExportRequest(ui64 txId, const TString& dbName, ui64 exportId);
+    NKikimrExport::TEvCancelExportResponse TestCancelExport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 txId, const TString& dbName, ui64 exportId,
+            Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS);
+    NKikimrExport::TEvCancelExportResponse TestCancelExport(TTestActorRuntime& runtime, ui64 txId, const TString& dbName, ui64 exportId,
+            Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS);
+    TEvExport::TEvForgetExportRequest* ForgetExportRequest(ui64 txId, const TString& dbName, ui64 exportId);
+    void AsyncForgetExport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 txId, const TString& dbName, ui64 exportId);
+    void AsyncForgetExport(TTestActorRuntime& runtime, ui64 txId, const TString& dbName, ui64 exportId);
+    NKikimrExport::TEvForgetExportResponse TestForgetExport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 txId, const TString& dbName, ui64 exportId,
+            Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS);
+    NKikimrExport::TEvForgetExportResponse TestForgetExport(TTestActorRuntime& runtime, ui64 txId, const TString& dbName, ui64 exportId,
+            Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS);
+
+    ////////// import
+    void AsyncImport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 id, const TString& dbName, const TString& requestStr);
+    void AsyncImport(TTestActorRuntime& runtime, ui64 id, const TString& dbName, const TString& requestStr);
+    void TestImport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 id, const TString& dbName, const TString& requestStr,
+            Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS);
+    void TestImport(TTestActorRuntime& runtime, ui64 id, const TString& dbName, const TString& requestStr,
+            Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS);
+    NKikimrImport::TEvGetImportResponse TestGetImport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 id, const TString& dbName,
+            const TVector<Ydb::StatusIds::StatusCode>& expectedStatuses);
+    NKikimrImport::TEvGetImportResponse TestGetImport(TTestActorRuntime& runtime, ui64 id, const TString& dbName,
+            const TVector<Ydb::StatusIds::StatusCode>& expectedStatuses);
+    NKikimrImport::TEvGetImportResponse TestGetImport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 id, const TString& dbName,
+            Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS);
+    NKikimrImport::TEvGetImportResponse TestGetImport(TTestActorRuntime& runtime, ui64 id, const TString& dbName,
+            Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS);
+    TEvImport::TEvCancelImportRequest* CancelImportRequest(ui64 txId, const TString& dbName, ui64 importId);
+    NKikimrImport::TEvCancelImportResponse TestCancelImport(TTestActorRuntime& runtime, ui64 schemeshardId, ui64 txId, const TString& dbName, ui64 importId,
+            Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS);
+    NKikimrImport::TEvCancelImportResponse TestCancelImport(TTestActorRuntime& runtime, ui64 txId, const TString& dbName, ui64 importId,
+            Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS);
+
     ////////// datashard
     ui64 GetDatashardState(TTestActorRuntime& runtime, ui64 tabletId);
     TString SetAllowLogBatching(TTestActorRuntime& runtime, ui64 tabletId, bool v);
@@ -352,40 +352,40 @@ namespace NSchemeShardUT_Private {
 
     NLs::TCheckFunc ShardsIsReady(TTestActorRuntime& runtime);
 
-    template <typename TCreateFunc> 
-    void CreateWithIntermediateDirs(TCreateFunc func) { 
-        TTestWithReboots t; 
-        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) { 
-            func(runtime, ++t.TxId, "/MyRoot", false); // invalid 
-            func(runtime, ++t.TxId, "/MyRoot", true); // valid 
-            t.TestEnv->TestWaitNotification(runtime, t.TxId); 
- 
-            { 
-                TInactiveZone inactive(activeZone); 
-                TestDescribeResult(DescribePath(runtime, "/MyRoot/Valid/x/y/z"), 
-                                   {NLs::Finished}); 
-                TestDescribeResult(DescribePath(runtime, "/MyRoot/Invalid"), 
-                                   {NLs::PathNotExist}); 
-            } 
-        }); 
-    } 
- 
-    template <typename TCreateFunc> 
-    void CreateWithIntermediateDirsForceDrop(TCreateFunc func) { 
-        TTestWithReboots t; 
-        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) { 
-            func(runtime, ++t.TxId, "/MyRoot"); 
-            AsyncForceDropUnsafe(runtime, ++t.TxId, 3); 
-            t.TestEnv->TestWaitNotification(runtime, {t.TxId - 1, t.TxId}); 
- 
-            { 
-                TInactiveZone inactive(activeZone); 
-                TestDescribeResult(DescribePath(runtime, "/MyRoot/x"), 
-                                   {NLs::PathNotExist}); 
-            } 
-        }); 
-    } 
- 
+    template <typename TCreateFunc>
+    void CreateWithIntermediateDirs(TCreateFunc func) {
+        TTestWithReboots t;
+        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) {
+            func(runtime, ++t.TxId, "/MyRoot", false); // invalid
+            func(runtime, ++t.TxId, "/MyRoot", true); // valid
+            t.TestEnv->TestWaitNotification(runtime, t.TxId);
+
+            {
+                TInactiveZone inactive(activeZone);
+                TestDescribeResult(DescribePath(runtime, "/MyRoot/Valid/x/y/z"),
+                                   {NLs::Finished});
+                TestDescribeResult(DescribePath(runtime, "/MyRoot/Invalid"),
+                                   {NLs::PathNotExist});
+            }
+        });
+    }
+
+    template <typename TCreateFunc>
+    void CreateWithIntermediateDirsForceDrop(TCreateFunc func) {
+        TTestWithReboots t;
+        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) {
+            func(runtime, ++t.TxId, "/MyRoot");
+            AsyncForceDropUnsafe(runtime, ++t.TxId, 3);
+            t.TestEnv->TestWaitNotification(runtime, {t.TxId - 1, t.TxId});
+
+            {
+                TInactiveZone inactive(activeZone);
+                TestDescribeResult(DescribePath(runtime, "/MyRoot/x"),
+                                   {NLs::PathNotExist});
+            }
+        });
+    }
+
     TRowVersion CreateVolatileSnapshot(
         TTestActorRuntime& runtime,
         const TVector<TString>& tables,
@@ -399,7 +399,7 @@ namespace NSchemeShardUT_Private {
         NKikimrScheme::TEvFindTabletSubDomainPathIdResult::EStatus expected = NKikimrScheme::TEvFindTabletSubDomainPathIdResult::SUCCESS);
 
     // Login
-    TEvTx* CreateAlterLoginCreateUser(ui64 txId, const TString& user, const TString& password); 
+    TEvTx* CreateAlterLoginCreateUser(ui64 txId, const TString& user, const TString& password);
     NKikimrScheme::TEvLoginResult Login(TTestActorRuntime& runtime, const TString& user, const TString& password);
 
     // Mimics data query to a single table with multiple partitions
diff --git a/ydb/core/tx/schemeshard/ut_helpers/ls_checks.cpp b/ydb/core/tx/schemeshard/ut_helpers/ls_checks.cpp
index cc587c1ef7..c5d6c5a973 100644
--- a/ydb/core/tx/schemeshard/ut_helpers/ls_checks.cpp
+++ b/ydb/core/tx/schemeshard/ut_helpers/ls_checks.cpp
@@ -42,44 +42,44 @@ void InSubdomain(const NKikimrScheme::TEvDescribeSchemeResult& record) {
     }
 }
 
-TCheckFunc IsSubDomain(const TString& name) { 
+TCheckFunc IsSubDomain(const TString& name) {
     return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
-        UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusSuccess); 
+        UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusSuccess);
         const auto& pathDescr = record.GetPathDescription();
         const auto& selfPath = pathDescr.GetSelf();
-        UNIT_ASSERT_VALUES_EQUAL(selfPath.GetName(), name); 
-        UNIT_ASSERT_VALUES_EQUAL(selfPath.GetPathType(), NKikimrSchemeOp::EPathTypeSubDomain); 
+        UNIT_ASSERT_VALUES_EQUAL(selfPath.GetName(), name);
+        UNIT_ASSERT_VALUES_EQUAL(selfPath.GetPathType(), NKikimrSchemeOp::EPathTypeSubDomain);
     };
 }
 
-TCheckFunc IsExternalSubDomain(const TString& name) { 
+TCheckFunc IsExternalSubDomain(const TString& name) {
     return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
-        UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusSuccess); 
+        UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusSuccess);
         const auto& pathDescr = record.GetPathDescription();
         const auto& selfPath = pathDescr.GetSelf();
-        UNIT_ASSERT_VALUES_EQUAL(selfPath.GetName(), name); 
-        UNIT_ASSERT_VALUES_EQUAL(selfPath.GetPathType(), NKikimrSchemeOp::EPathTypeExtSubDomain); 
+        UNIT_ASSERT_VALUES_EQUAL(selfPath.GetName(), name);
+        UNIT_ASSERT_VALUES_EQUAL(selfPath.GetPathType(), NKikimrSchemeOp::EPathTypeExtSubDomain);
     };
 }
 
-bool IsGoodDomainStatus(NKikimrScheme::EStatus status) { 
-    switch (status) { 
-    case NKikimrScheme::StatusSuccess: 
-    case NKikimrScheme::StatusRedirectDomain: 
-        return true; 
-    default: 
-        return false; 
-    } 
-} 
- 
-TCheckFunc ExtractTenantSchemeshard(ui64* tenantSchemeShardId) { 
+bool IsGoodDomainStatus(NKikimrScheme::EStatus status) {
+    switch (status) {
+    case NKikimrScheme::StatusSuccess:
+    case NKikimrScheme::StatusRedirectDomain:
+        return true;
+    default:
+        return false;
+    }
+}
+
+TCheckFunc ExtractTenantSchemeshard(ui64* tenantSchemeShardId) {
     return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
-        UNIT_ASSERT_C(IsGoodDomainStatus(record.GetStatus()), "Unexpected status: " << record.GetStatus()); 
+        UNIT_ASSERT_C(IsGoodDomainStatus(record.GetStatus()), "Unexpected status: " << record.GetStatus());
 
         if (record.GetStatus() == NKikimrScheme::StatusSuccess) {
             const auto& pathDescr = record.GetPathDescription();
             const auto& selfPath = pathDescr.GetSelf();
-            UNIT_ASSERT_VALUES_EQUAL(selfPath.GetPathType(), NKikimrSchemeOp::EPathTypeExtSubDomain); 
+            UNIT_ASSERT_VALUES_EQUAL(selfPath.GetPathType(), NKikimrSchemeOp::EPathTypeExtSubDomain);
             UNIT_ASSERT(pathDescr.HasDomainDescription());
             const auto& domainDesc = pathDescr.GetDomainDescription();
             UNIT_ASSERT(domainDesc.HasProcessingParams());
@@ -96,9 +96,9 @@ TCheckFunc ExtractTenantSchemeshard(ui64* tenantSchemeShardId) {
     };
 }
 
-TCheckFunc ExtractTenantSysViewProcessor(ui64* tenantSVPId) { 
+TCheckFunc ExtractTenantSysViewProcessor(ui64* tenantSVPId) {
     return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
-        UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusSuccess); 
+        UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusSuccess);
         const auto& pathDescr = record.GetPathDescription();
         UNIT_ASSERT(pathDescr.HasDomainDescription());
         const auto& domainDesc = pathDescr.GetDomainDescription();
@@ -121,13 +121,13 @@ void InExternalSubdomain(const NKikimrScheme::TEvDescribeSchemeResult& record) {
     UNIT_ASSERT_VALUES_UNEQUAL(domain.GetDomainKey().GetPathId(), 1);
     UNIT_ASSERT(domain.GetDomainKey().HasSchemeShard());
 
-    const auto& extDomainPath = record.GetLastExistedPrefixDescription(); 
-    UNIT_ASSERT_VALUES_EQUAL(extDomainPath.GetSelf().GetPathType(), NKikimrSchemeOp::EPathTypeExtSubDomain); 
+    const auto& extDomainPath = record.GetLastExistedPrefixDescription();
+    UNIT_ASSERT_VALUES_EQUAL(extDomainPath.GetSelf().GetPathType(), NKikimrSchemeOp::EPathTypeExtSubDomain);
 }
 
-TCheckFunc SubDomainVersion(ui64 descrVersion) { 
-    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) { 
-        UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusSuccess); 
+TCheckFunc SubDomainVersion(ui64 descrVersion) {
+    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
+        UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusSuccess);
         const auto& pathDescr = record.GetPathDescription();
         const auto& processingParams = pathDescr.GetDomainDescription().GetProcessingParams();
         UNIT_ASSERT_EQUAL_C(processingParams.GetVersion(), descrVersion,
@@ -139,25 +139,25 @@ TCheckFunc SubDomainVersion(ui64 descrVersion) {
     };
 }
 
-TCheckFunc DomainKey(ui64 pathId, ui64 schemeshardId) { 
+TCheckFunc DomainKey(ui64 pathId, ui64 schemeshardId) {
     return DomainKey(TPathId(schemeshardId, pathId));
 }
 
-TCheckFunc DomainKey(TPathId pathId) { 
+TCheckFunc DomainKey(TPathId pathId) {
     return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
-        UNIT_ASSERT_C(IsGoodDomainStatus(record.GetStatus()), "Unexpected status: " << record.GetStatus()); 
+        UNIT_ASSERT_C(IsGoodDomainStatus(record.GetStatus()), "Unexpected status: " << record.GetStatus());
 
         const auto& pathDescr = record.GetPathDescription();
-        const auto& domainKey = pathDescr.GetDomainDescription().GetDomainKey(); 
+        const auto& domainKey = pathDescr.GetDomainDescription().GetDomainKey();
 
-        UNIT_ASSERT_VALUES_EQUAL(domainKey.GetPathId(), pathId.LocalPathId); 
-        UNIT_ASSERT_VALUES_EQUAL(domainKey.GetSchemeShard(), pathId.OwnerId); 
+        UNIT_ASSERT_VALUES_EQUAL(domainKey.GetPathId(), pathId.LocalPathId);
+        UNIT_ASSERT_VALUES_EQUAL(domainKey.GetSchemeShard(), pathId.OwnerId);
     };
 }
 
-TCheckFunc StoragePoolsEqual(TSet<TString> poolNames) { 
-    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) { 
-        UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusSuccess); 
+TCheckFunc StoragePoolsEqual(TSet<TString> poolNames) {
+    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
+        UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusSuccess);
         const auto& pathDescr = record.GetPathDescription();
 
         TSet<TString> presentPools;
@@ -170,56 +170,56 @@ TCheckFunc StoragePoolsEqual(TSet<TString> poolNames) {
     };
 }
 
-TCheckFunc DomainCoordinators(TVector<ui64> coordinators) { 
+TCheckFunc DomainCoordinators(TVector<ui64> coordinators) {
     return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
-        UNIT_ASSERT_C(IsGoodDomainStatus(record.GetStatus()), "Unexpected status: " << record.GetStatus()); 
+        UNIT_ASSERT_C(IsGoodDomainStatus(record.GetStatus()), "Unexpected status: " << record.GetStatus());
 
         const auto& pathDescr = record.GetPathDescription();
         const auto& processingParams = pathDescr.GetDomainDescription().GetProcessingParams();
 
-        UNIT_ASSERT_VALUES_EQUAL(processingParams.CoordinatorsSize(), coordinators.size()); 
+        UNIT_ASSERT_VALUES_EQUAL(processingParams.CoordinatorsSize(), coordinators.size());
         TVector<ui64> actual(processingParams.GetCoordinators().begin(),processingParams.GetCoordinators().end());
         UNIT_ASSERT_EQUAL(actual, coordinators);
     };
 }
 
-TCheckFunc DomainMediators(TVector<ui64> mediators) { 
+TCheckFunc DomainMediators(TVector<ui64> mediators) {
     return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
-        UNIT_ASSERT_C(IsGoodDomainStatus(record.GetStatus()), "Unexpected status: " << record.GetStatus()); 
+        UNIT_ASSERT_C(IsGoodDomainStatus(record.GetStatus()), "Unexpected status: " << record.GetStatus());
 
         const auto& pathDescr = record.GetPathDescription();
         const auto& processingParams = pathDescr.GetDomainDescription().GetProcessingParams();
 
-        UNIT_ASSERT_VALUES_EQUAL(processingParams.MediatorsSize(), mediators.size()); 
+        UNIT_ASSERT_VALUES_EQUAL(processingParams.MediatorsSize(), mediators.size());
         TVector<ui64> actual(processingParams.GetMediators().begin(), processingParams.GetMediators().end());
         UNIT_ASSERT_EQUAL(actual, mediators);
     };
 }
 
-TCheckFunc DomainSchemeshard(ui64 schemeshard) { 
+TCheckFunc DomainSchemeshard(ui64 schemeshard) {
     return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
-        UNIT_ASSERT_C(IsGoodDomainStatus(record.GetStatus()), "Unexpected status: " << record.GetStatus()); 
+        UNIT_ASSERT_C(IsGoodDomainStatus(record.GetStatus()), "Unexpected status: " << record.GetStatus());
 
         const auto& pathDescr = record.GetPathDescription();
         const auto& processingParams = pathDescr.GetDomainDescription().GetProcessingParams();
 
         if (schemeshard) {
-            UNIT_ASSERT_VALUES_EQUAL(processingParams.GetSchemeShard(), schemeshard); 
+            UNIT_ASSERT_VALUES_EQUAL(processingParams.GetSchemeShard(), schemeshard);
         } else {
             UNIT_ASSERT(!processingParams.HasSchemeShard());
         }
     };
 }
 
-TCheckFunc DomainSettings(ui32 planResolution, ui32 timeCastBucketsPerMediator) { 
+TCheckFunc DomainSettings(ui32 planResolution, ui32 timeCastBucketsPerMediator) {
     return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
-        UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusSuccess); 
+        UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusSuccess);
 
         const auto& pathDescr = record.GetPathDescription();
         const auto& processingParams = pathDescr.GetDomainDescription().GetProcessingParams();
 
-        UNIT_ASSERT_VALUES_EQUAL(processingParams.GetPlanResolution(), planResolution); 
-        UNIT_ASSERT_VALUES_EQUAL(processingParams.GetTimeCastBucketsPerMediator(), timeCastBucketsPerMediator); 
+        UNIT_ASSERT_VALUES_EQUAL(processingParams.GetPlanResolution(), planResolution);
+        UNIT_ASSERT_VALUES_EQUAL(processingParams.GetTimeCastBucketsPerMediator(), timeCastBucketsPerMediator);
     };
 }
 
@@ -249,7 +249,7 @@ void NotFinished(const NKikimrScheme::TEvDescribeSchemeResult& record) {
         }
     }
 }
- 
+
 void Finished(const NKikimrScheme::TEvDescribeSchemeResult& record) {
     PathExist(record);
 
@@ -263,7 +263,7 @@ void Finished(const NKikimrScheme::TEvDescribeSchemeResult& record) {
 
 TCheckFunc ExtractVolumeConfig(NKikimrBlockStore::TVolumeConfig* config) {
     return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
-        UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusSuccess); 
+        UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusSuccess);
 
         UNIT_ASSERT(record.HasPathDescription());
         const auto& descr = record.GetPathDescription();
@@ -277,7 +277,7 @@ TCheckFunc ExtractVolumeConfig(NKikimrBlockStore::TVolumeConfig* config) {
 
 TCheckFunc CheckMountToken(const TString& name, const TString& expectedOwner) {
     return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
-        UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusSuccess); 
+        UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusSuccess);
 
         UNIT_ASSERT(record.HasPathDescription());
         const auto& descr = record.GetPathDescription();
@@ -294,8 +294,8 @@ TCheckFunc CheckMountToken(const TString& name, const TString& expectedOwner) {
 }
 
 TCheckFunc UserAttrsEqual(TUserAttrs attrs) {
-    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) { 
-        UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusSuccess); 
+    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
+        UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusSuccess);
         const auto& pathDescr = record.GetPathDescription();
 
         TUserAttrs requered = attrs;
@@ -330,8 +330,8 @@ TCheckFunc UserAttrsEqual(TUserAttrs attrs) {
 }
 
 TCheckFunc UserAttrsHas(TUserAttrs attrs) {
-    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) { 
-        UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusSuccess); 
+    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
+        UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusSuccess);
         const auto& pathDescr = record.GetPathDescription();
 
         TUserAttrs requered = attrs;
@@ -355,10 +355,10 @@ TCheckFunc UserAttrsHas(TUserAttrs attrs) {
 }
 
 void IsTable(const NKikimrScheme::TEvDescribeSchemeResult& record) {
-    UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusSuccess); 
+    UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusSuccess);
     const auto& pathDescr = record.GetPathDescription();
     const auto& selfPath = pathDescr.GetSelf();
-    UNIT_ASSERT_VALUES_EQUAL(selfPath.GetPathType(), NKikimrSchemeOp::EPathTypeTable); 
+    UNIT_ASSERT_VALUES_EQUAL(selfPath.GetPathType(), NKikimrSchemeOp::EPathTypeTable);
 }
 
 TCheckFunc CheckColumns(const TString& name, const TSet<TString>& columns, const TSet<TString>& droppedColumns, const TSet<TString> keyColumns,
@@ -466,16 +466,16 @@ TCheckFunc CheckPartCount(const TString& name, ui32 partCount, ui32 maxParts, ui
         UNIT_ASSERT_VALUES_EQUAL(partCount, pqs.size());
         UNIT_ASSERT_VALUES_EQUAL(tabletCount, tablets.size());
 
-        if (!pqs.empty()) { 
+        if (!pqs.empty()) {
             UNIT_ASSERT_VALUES_EQUAL(*pqs.begin(), 0);
-            UNIT_ASSERT_VALUES_EQUAL(*pqs.rbegin(), partCount - 1); 
+            UNIT_ASSERT_VALUES_EQUAL(*pqs.rbegin(), partCount - 1);
         }
     };
 }
 
 TCheckFunc PathVersionEqual(ui64 version) {
-    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) { 
-        UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusSuccess); 
+    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
+        UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusSuccess);
         const auto& pathDescr = record.GetPathDescription();
         const auto& self = pathDescr.GetSelf();
         const auto& curVersion = self.GetPathVersion();
@@ -488,8 +488,8 @@ TCheckFunc PathVersionEqual(ui64 version) {
 }
 
 TCheckFunc PathVersionOneOf(TSet<ui64> versions) {
-    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) { 
-        UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusSuccess); 
+    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
+        UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusSuccess);
         const auto& pathDescr = record.GetPathDescription();
         const auto& self = pathDescr.GetSelf();
         const auto& curVersion = self.GetPathVersion();
@@ -502,35 +502,35 @@ TCheckFunc PathVersionOneOf(TSet<ui64> versions) {
 }
 
 TCheckFunc PathIdEqual(ui64 pathId) {
-    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) { 
-        UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusSuccess); 
+    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
+        UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusSuccess);
         const auto& pathDescr = record.GetPathDescription();
         const auto& self = pathDescr.GetSelf();
         const auto& curId = self.GetPathId();
-        UNIT_ASSERT_VALUES_EQUAL(curId, pathId); 
+        UNIT_ASSERT_VALUES_EQUAL(curId, pathId);
     };
 }
 
 TCheckFunc PathIdEqual(TPathId pathId) {
-    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) { 
-        UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusSuccess); 
+    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
+        UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusSuccess);
         const auto& pathDescr = record.GetPathDescription();
         const auto& self = pathDescr.GetSelf();
         const auto& curId = TPathId(self.GetSchemeshardId(), self.GetPathId());
-        UNIT_ASSERT_VALUES_EQUAL(curId, pathId); 
+        UNIT_ASSERT_VALUES_EQUAL(curId, pathId);
     };
 }
 
 TCheckFunc PathStringEqual(const TString& expected) {
     return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
-        UNIT_ASSERT_VALUES_EQUAL(record.GetPath(), expected); 
+        UNIT_ASSERT_VALUES_EQUAL(record.GetPath(), expected);
     };
 }
 
 TCheckFunc PathsInsideDomain(ui64 count) {
-    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) { 
-        UNIT_ASSERT_C(IsGoodDomainStatus(record.GetStatus()), "Unexpected status: " << record.GetStatus()); 
- 
+    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
+        UNIT_ASSERT_C(IsGoodDomainStatus(record.GetStatus()), "Unexpected status: " << record.GetStatus());
+
         const auto& pathDescr = record.GetPathDescription();
         const auto& domain = pathDescr.GetDomainDescription();
         const auto& curCount = domain.GetPathsInside();
@@ -543,9 +543,9 @@ TCheckFunc PathsInsideDomain(ui64 count) {
 }
 
 TCheckFunc PQPartitionsInsideDomain(ui64 count) {
-    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) { 
-        UNIT_ASSERT_C(IsGoodDomainStatus(record.GetStatus()), "Unexpected status: " << record.GetStatus()); 
- 
+    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
+        UNIT_ASSERT_C(IsGoodDomainStatus(record.GetStatus()), "Unexpected status: " << record.GetStatus());
+
         const auto& pathDescr = record.GetPathDescription();
         const auto& domain = pathDescr.GetDomainDescription();
         const auto& curCount = domain.GetPQPartitionsInside();
@@ -557,9 +557,9 @@ TCheckFunc PQPartitionsInsideDomain(ui64 count) {
     };
 }
 
-TCheckFunc PathsInsideDomainOneOf(TSet<ui64> variants) { 
-    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) { 
-        UNIT_ASSERT_C(IsGoodDomainStatus(record.GetStatus()), "Unexpected status: " << record.GetStatus()); 
+TCheckFunc PathsInsideDomainOneOf(TSet<ui64> variants) {
+    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
+        UNIT_ASSERT_C(IsGoodDomainStatus(record.GetStatus()), "Unexpected status: " << record.GetStatus());
 
         const auto& pathDescr = record.GetPathDescription();
         const auto& domain = pathDescr.GetDomainDescription();
@@ -573,9 +573,9 @@ TCheckFunc PathsInsideDomainOneOf(TSet<ui64> variants) {
 }
 
 TCheckFunc ShardsInsideDomain(ui64 count) {
-    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) { 
-        UNIT_ASSERT_C(IsGoodDomainStatus(record.GetStatus()), "Unexpected status: " << record.GetStatus()); 
- 
+    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
+        UNIT_ASSERT_C(IsGoodDomainStatus(record.GetStatus()), "Unexpected status: " << record.GetStatus());
+
         const auto& pathDescr = record.GetPathDescription();
         const auto& domain = pathDescr.GetDomainDescription();
         const auto& curCount = domain.GetShardsInside();
@@ -588,9 +588,9 @@ TCheckFunc ShardsInsideDomain(ui64 count) {
 }
 
 TCheckFunc ShardsInsideDomainOneOf(TSet<ui64> variants) {
-    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) { 
-        UNIT_ASSERT_C(IsGoodDomainStatus(record.GetStatus()), "Unexpected status: " << record.GetStatus()); 
- 
+    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
+        UNIT_ASSERT_C(IsGoodDomainStatus(record.GetStatus()), "Unexpected status: " << record.GetStatus());
+
         const auto& pathDescr = record.GetPathDescription();
         const auto& domain = pathDescr.GetDomainDescription();
         const auto& curCount = domain.GetShardsInside();
@@ -603,8 +603,8 @@ TCheckFunc ShardsInsideDomainOneOf(TSet<ui64> variants) {
 }
 
 TCheckFunc DomainLimitsIs(ui64 maxPaths, ui64 maxShards, ui64 maxPQPartitions) {
-    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) { 
-        UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusSuccess); 
+    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
+        UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusSuccess);
         const auto& pathDescr = record.GetPathDescription();
         const auto& domain = pathDescr.GetDomainDescription();
         const auto& pathLimit = domain.GetPathsLimit();
@@ -629,54 +629,54 @@ TCheckFunc DomainLimitsIs(ui64 maxPaths, ui64 maxShards, ui64 maxPQPartitions) {
 }
 
 TCheckFunc FreezeStateEqual(NKikimrSchemeOp::EFreezeState expectedState) {
-    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) { 
-        UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusSuccess); 
+    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
+        UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusSuccess);
         UNIT_ASSERT(record.HasPathDescription());
         UNIT_ASSERT(record.GetPathDescription().HasTable());
         UNIT_ASSERT(record.GetPathDescription().GetTable().HasPartitionConfig());
         UNIT_ASSERT(record.GetPathDescription().GetTable().GetPartitionConfig().HasFreezeState());
-        UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().GetTable().GetPartitionConfig().GetFreezeState(), expectedState); 
+        UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().GetTable().GetPartitionConfig().GetFreezeState(), expectedState);
     };
 }
 
 TCheckFunc ChildrenCount(ui32 count) {
-    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) { 
-        UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().ChildrenSize(), count); 
+    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
+        UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().ChildrenSize(), count);
     };
 }
 
-TCheckFunc IndexesCount(ui32 count) { 
-    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) { 
-        UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().GetTable().TableIndexesSize(), count); 
+TCheckFunc IndexesCount(ui32 count) {
+    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
+        UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().GetTable().TableIndexesSize(), count);
     };
 }
 
-TCheckFunc IndexType(NKikimrSchemeOp::EIndexType type) { 
-    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) { 
-        UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().GetTableIndex().GetType(), type); 
+TCheckFunc IndexType(NKikimrSchemeOp::EIndexType type) {
+    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
+        UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().GetTableIndex().GetType(), type);
     };
 }
 
-TCheckFunc IndexState(NKikimrSchemeOp::EIndexState state) { 
-    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) { 
-        UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().GetTableIndex().GetState(), state); 
+TCheckFunc IndexState(NKikimrSchemeOp::EIndexState state) {
+    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
+        UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().GetTableIndex().GetState(), state);
     };
 }
 
-TCheckFunc IndexKeys(const TVector<TString>& keyNames) { 
-    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) { 
-        UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().GetTableIndex().KeyColumnNamesSize(), keyNames.size()); 
+TCheckFunc IndexKeys(const TVector<TString>& keyNames) {
+    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
+        UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().GetTableIndex().KeyColumnNamesSize(), keyNames.size());
         for (ui32 keyId = 0; keyId < keyNames.size(); ++keyId) {
-            UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().GetTableIndex().GetKeyColumnNames(keyId), keyNames.at(keyId)); 
+            UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().GetTableIndex().GetKeyColumnNames(keyId), keyNames.at(keyId));
         }
     };
 }
 
-TCheckFunc IndexDataColumns(const TVector<TString>& dataColumnNames) { 
-    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) { 
-        UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().GetTableIndex().DataColumnNamesSize(), dataColumnNames.size()); 
+TCheckFunc IndexDataColumns(const TVector<TString>& dataColumnNames) {
+    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
+        UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().GetTableIndex().DataColumnNamesSize(), dataColumnNames.size());
         for (ui32 colId = 0; colId < dataColumnNames.size(); ++colId) {
-            UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().GetTableIndex().GetDataColumnNames(colId), dataColumnNames.at(colId)); 
+            UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().GetTableIndex().GetDataColumnNames(colId), dataColumnNames.at(colId));
         }
     };
 }
@@ -686,35 +686,35 @@ void NoChildren(const NKikimrScheme::TEvDescribeSchemeResult& record) {
 }
 
 void PathNotExist(const NKikimrScheme::TEvDescribeSchemeResult& record) {
-    UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusPathDoesNotExist); 
+    UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusPathDoesNotExist);
 }
 
 void PathExist(const NKikimrScheme::TEvDescribeSchemeResult& record) {
-    UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusSuccess); 
+    UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusSuccess);
 }
 
 void PathRedirected(const NKikimrScheme::TEvDescribeSchemeResult& record) {
-    UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusRedirectDomain); 
+    UNIT_ASSERT_VALUES_EQUAL(record.GetStatus(), NKikimrScheme::StatusRedirectDomain);
 }
 
 TCheckFunc CreatedAt(ui64 txId) {
     return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
-        UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().GetSelf().GetCreateTxId(), txId); 
+        UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().GetSelf().GetCreateTxId(), txId);
     };
 }
 
 TCheckFunc PartitionCount(ui32 count) {
     return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
-        UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().TablePartitionsSize(), count); 
+        UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().TablePartitionsSize(), count);
     };
 }
 
 TCheckFunc FollowerCount(ui32 count) {
     return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
         UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().GetTable().GetPartitionConfig().GetFollowerCount(), count);
-    }; 
-} 
- 
+    };
+}
+
 TCheckFunc CrossDataCenterFollowerCount(ui32 count) {
     return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
         UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().GetTable().GetPartitionConfig().GetCrossDataCenterFollowerCount(), count);
@@ -760,49 +760,49 @@ TCheckFunc SizeToSplitEqual(ui32 size) {
     };
 }
 
-TCheckFunc MinPartitionsCountEqual(ui32 count) { 
+TCheckFunc MinPartitionsCountEqual(ui32 count) {
     return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
-        UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().GetTable().GetPartitionConfig().GetPartitioningPolicy().GetMinPartitionsCount(), count); 
-    }; 
-} 
- 
-TCheckFunc MaxPartitionsCountEqual(ui32 count) { 
+        UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().GetTable().GetPartitionConfig().GetPartitioningPolicy().GetMinPartitionsCount(), count);
+    };
+}
+
+TCheckFunc MaxPartitionsCountEqual(ui32 count) {
     return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
-        UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().GetTable().GetPartitionConfig().GetPartitioningPolicy().GetMaxPartitionsCount(), count); 
-    }; 
-} 
- 
-TCheckFunc PartitioningByLoadStatus(bool status) { 
+        UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().GetTable().GetPartitionConfig().GetPartitioningPolicy().GetMaxPartitionsCount(), count);
+    };
+}
+
+TCheckFunc PartitioningByLoadStatus(bool status) {
     return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
-        UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().GetTable().GetPartitionConfig().GetPartitioningPolicy().GetSplitByLoadSettings().GetEnabled(), status); 
-    }; 
-} 
- 
+        UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().GetTable().GetPartitionConfig().GetPartitioningPolicy().GetSplitByLoadSettings().GetEnabled(), status);
+    };
+}
+
 void NoBackupInFly(const NKikimrScheme::TEvDescribeSchemeResult &record) {
     UNIT_ASSERT(!record.GetPathDescription().HasBackupProgress());
 }
 
 TCheckFunc HasBackupInFly(ui64 txId) {
-    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) { 
+    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
         UNIT_ASSERT(record.GetPathDescription().HasBackupProgress());
-        UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().GetBackupProgress().GetTxId(), txId); 
+        UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().GetBackupProgress().GetTxId(), txId);
     };
 }
 
 TCheckFunc BackupHistoryCount(ui64 count) {
-    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) { 
-        UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().LastBackupResultSize(), count); 
+    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
+        UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().LastBackupResultSize(), count);
     };
 }
 
 TCheckFunc ColumnFamiliesCount(ui32 size) {
-    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) { 
-        UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().GetTable().GetPartitionConfig().ColumnFamiliesSize(), size); 
+    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
+        UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().GetTable().GetPartitionConfig().ColumnFamiliesSize(), size);
     };
 }
 
 TCheckFunc ColumnFamiliesHas(ui32 familyId) {
-    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) { 
+    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
         bool has = false;
         for (const auto& x: record.GetPathDescription().GetTable().GetPartitionConfig().GetColumnFamilies()) {
             if (x.GetId() == familyId) {
@@ -815,7 +815,7 @@ TCheckFunc ColumnFamiliesHas(ui32 familyId) {
 }
 
 TCheckFunc ColumnFamiliesHas(ui32 familyId, const TString& familyName) {
-    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) { 
+    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
         bool has = false;
         for (const auto& x: record.GetPathDescription().GetTable().GetPartitionConfig().GetColumnFamilies()) {
             if (x.GetId() == familyId && x.GetName() == familyName) {
@@ -827,35 +827,35 @@ TCheckFunc ColumnFamiliesHas(ui32 familyId, const TString& familyName) {
     };
 }
 
-TCheckFunc KeyBloomFilterStatus(bool status) { 
+TCheckFunc KeyBloomFilterStatus(bool status) {
     return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
-        UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().GetTable().GetPartitionConfig().GetEnableFilterByKey(), status); 
-    }; 
-} 
- 
+        UNIT_ASSERT_VALUES_EQUAL(record.GetPathDescription().GetTable().GetPartitionConfig().GetEnableFilterByKey(), status);
+    };
+}
+
 TCheckFunc HasTtlEnabled(const TString& columnName, const TDuration& expireAfter, NKikimrSchemeOp::TTTLSettings::EUnit columnUnit) {
     return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
-        const auto& ttl = record.GetPathDescription().GetTable().GetTTLSettings(); 
-        UNIT_ASSERT(ttl.HasEnabled()); 
-        UNIT_ASSERT_VALUES_EQUAL(ttl.GetEnabled().GetColumnName(), columnName); 
-        UNIT_ASSERT_VALUES_EQUAL(ttl.GetEnabled().GetColumnUnit(), columnUnit); 
-        UNIT_ASSERT_VALUES_EQUAL(ttl.GetEnabled().GetExpireAfterSeconds(), expireAfter.Seconds()); 
-    }; 
-} 
- 
-TCheckFunc HasTtlDisabled() { 
-    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
-        const auto& ttl = record.GetPathDescription().GetTable().GetTTLSettings(); 
-        UNIT_ASSERT(ttl.HasDisabled()); 
-    }; 
-} 
- 
-TCheckFunc IsBackupTable(bool value) { 
-    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
-        UNIT_ASSERT_VALUES_EQUAL(value, record.GetPathDescription().GetTable().GetIsBackup()); 
-    }; 
-} 
- 
+        const auto& ttl = record.GetPathDescription().GetTable().GetTTLSettings();
+        UNIT_ASSERT(ttl.HasEnabled());
+        UNIT_ASSERT_VALUES_EQUAL(ttl.GetEnabled().GetColumnName(), columnName);
+        UNIT_ASSERT_VALUES_EQUAL(ttl.GetEnabled().GetColumnUnit(), columnUnit);
+        UNIT_ASSERT_VALUES_EQUAL(ttl.GetEnabled().GetExpireAfterSeconds(), expireAfter.Seconds());
+    };
+}
+
+TCheckFunc HasTtlDisabled() {
+    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
+        const auto& ttl = record.GetPathDescription().GetTable().GetTTLSettings();
+        UNIT_ASSERT(ttl.HasDisabled());
+    };
+}
+
+TCheckFunc IsBackupTable(bool value) {
+    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
+        UNIT_ASSERT_VALUES_EQUAL(value, record.GetPathDescription().GetTable().GetIsBackup());
+    };
+}
+
 TCheckFunc HasOlapTableSchemaPreset(const TString& presetName) {
     return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
         const auto& table = record.GetPathDescription().GetColumnTableDescription();
@@ -913,59 +913,59 @@ TCheckFunc HasOlapTableTtlSettingsTiering(ui32 tierNo, const TString& tierName,
     };
 }
 
-void CheckEffectiveRight(const NKikimrScheme::TEvDescribeSchemeResult& record, const TString& right, bool mustHave) { 
-    const auto& self = record.GetPathDescription().GetSelf(); 
-    TSecurityObject src(self.GetOwner(), self.GetEffectiveACL(), false); 
+void CheckEffectiveRight(const NKikimrScheme::TEvDescribeSchemeResult& record, const TString& right, bool mustHave) {
+    const auto& self = record.GetPathDescription().GetSelf();
+    TSecurityObject src(self.GetOwner(), self.GetEffectiveACL(), false);
 
-    NACLib::TSecurityObject required; 
-    required.FromString(right); 
+    NACLib::TSecurityObject required;
+    required.FromString(right);
 
-    for (const auto& requeriedAce : required.GetACL().GetACE()) { 
-        bool has = false; 
+    for (const auto& requeriedAce : required.GetACL().GetACE()) {
+        bool has = false;
 
-        for (const auto& srcAce: src.GetACL().GetACE()) { 
-            if (srcAce.GetAccessType() == requeriedAce.GetAccessType() && 
-                srcAce.GetAccessRight() == requeriedAce.GetAccessRight() && 
-                srcAce.GetSID() == requeriedAce.GetSID() && 
-                srcAce.GetInheritanceType() == requeriedAce.GetInheritanceType()) 
-            { 
-                has = true; 
+        for (const auto& srcAce: src.GetACL().GetACE()) {
+            if (srcAce.GetAccessType() == requeriedAce.GetAccessType() &&
+                srcAce.GetAccessRight() == requeriedAce.GetAccessRight() &&
+                srcAce.GetSID() == requeriedAce.GetSID() &&
+                srcAce.GetInheritanceType() == requeriedAce.GetInheritanceType())
+            {
+                has = true;
             }
         }
 
-        UNIT_ASSERT_C(!(has ^ mustHave), "" << (mustHave ? "no " : "") << "ace found" 
-            << ", got " << src.ShortDebugString() 
-            << ", required " << required.ShortDebugString()); 
-    } 
-} 
- 
-TCheckFunc HasEffectiveRight(const TString& right) { 
-    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) { 
-        CheckEffectiveRight(record, right, true); 
+        UNIT_ASSERT_C(!(has ^ mustHave), "" << (mustHave ? "no " : "") << "ace found"
+            << ", got " << src.ShortDebugString()
+            << ", required " << required.ShortDebugString());
+    }
+}
+
+TCheckFunc HasEffectiveRight(const TString& right) {
+    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
+        CheckEffectiveRight(record, right, true);
     };
 }
 
 TCheckFunc HasNotEffectiveRight(const TString& right) {
-    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) { 
-        CheckEffectiveRight(record, right, false); 
+    return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
+        CheckEffectiveRight(record, right, false);
     };
 }
 
 TCheckFunc KesusConfigIs(ui64 self_check_period_millis, ui64 session_grace_period_millis) {
     return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
         const auto& config = record.GetPathDescription().GetKesus().GetConfig();
-        UNIT_ASSERT_VALUES_EQUAL(config.self_check_period_millis(), self_check_period_millis); 
-        UNIT_ASSERT_VALUES_EQUAL(config.session_grace_period_millis(), session_grace_period_millis); 
+        UNIT_ASSERT_VALUES_EQUAL(config.self_check_period_millis(), self_check_period_millis);
+        UNIT_ASSERT_VALUES_EQUAL(config.session_grace_period_millis(), session_grace_period_millis);
     };
 }
 
 TCheckFunc DatabaseQuotas(ui64 dataStreamShards) {
     return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
-        UNIT_ASSERT_C(IsGoodDomainStatus(record.GetStatus()), "Unexpected status: " << record.GetStatus()); 
- 
+        UNIT_ASSERT_C(IsGoodDomainStatus(record.GetStatus()), "Unexpected status: " << record.GetStatus());
+
         const auto& pathDescr = record.GetPathDescription();
         const auto& domain = pathDescr.GetDomainDescription();
-        const auto count = domain.GetDatabaseQuotas().data_stream_shards_quota(); 
+        const auto count = domain.GetDatabaseQuotas().data_stream_shards_quota();
 
         UNIT_ASSERT_C(count == dataStreamShards,
                       "data stream shards inside domain count mistmach, domain with id " << domain.GetDomainKey().GetPathId() <<
@@ -976,37 +976,37 @@ TCheckFunc DatabaseQuotas(ui64 dataStreamShards) {
 
 TCheckFunc PartitionKeys(TVector<TString> lastShardKeys) {
     return [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
-        const auto& pathDescr = record.GetPathDescription(); 
-        UNIT_ASSERT_VALUES_EQUAL(lastShardKeys.size(), pathDescr.TablePartitionsSize()); 
+        const auto& pathDescr = record.GetPathDescription();
+        UNIT_ASSERT_VALUES_EQUAL(lastShardKeys.size(), pathDescr.TablePartitionsSize());
         for (size_t i = 0; i < lastShardKeys.size(); ++i) {
-            UNIT_ASSERT_STRING_CONTAINS(pathDescr.GetTablePartitions(i).GetEndOfRangeKeyPrefix(), lastShardKeys[i]); 
+            UNIT_ASSERT_STRING_CONTAINS(pathDescr.GetTablePartitions(i).GetEndOfRangeKeyPrefix(), lastShardKeys[i]);
         }
     };
 }
 
-} // NLs 
-} // NSchemeShardUT_Private 
- 
+} // NLs
+} // NSchemeShardUT_Private
+
 Y_DECLARE_OUT_SPEC(inline, NKikimrSchemeOp::TTTLSettings::EUnit, o, x) {
     o << NKikimrSchemeOp::TTTLSettings::EUnit_Name(x);
-} 
- 
-Y_DECLARE_OUT_SPEC(inline, NKikimrScheme::EStatus, o, x) { 
-    o << NKikimrScheme::EStatus_Name(x); 
-} 
- 
-Y_DECLARE_OUT_SPEC(inline, NKikimrSchemeOp::EPathType, o, x) { 
-    o << NKikimrSchemeOp::EPathType_Name(x); 
-} 
- 
-Y_DECLARE_OUT_SPEC(inline, NKikimrSchemeOp::EFreezeState, o, x) { 
-    o << NKikimrSchemeOp::EFreezeState_Name(x); 
-} 
- 
-Y_DECLARE_OUT_SPEC(inline, NKikimrSchemeOp::EIndexType, o, x) { 
-    o << NKikimrSchemeOp::EIndexType_Name(x); 
-} 
- 
-Y_DECLARE_OUT_SPEC(inline, NKikimrSchemeOp::EIndexState, o, x) { 
-    o << NKikimrSchemeOp::EIndexState_Name(x); 
-} 
+}
+
+Y_DECLARE_OUT_SPEC(inline, NKikimrScheme::EStatus, o, x) {
+    o << NKikimrScheme::EStatus_Name(x);
+}
+
+Y_DECLARE_OUT_SPEC(inline, NKikimrSchemeOp::EPathType, o, x) {
+    o << NKikimrSchemeOp::EPathType_Name(x);
+}
+
+Y_DECLARE_OUT_SPEC(inline, NKikimrSchemeOp::EFreezeState, o, x) {
+    o << NKikimrSchemeOp::EFreezeState_Name(x);
+}
+
+Y_DECLARE_OUT_SPEC(inline, NKikimrSchemeOp::EIndexType, o, x) {
+    o << NKikimrSchemeOp::EIndexType_Name(x);
+}
+
+Y_DECLARE_OUT_SPEC(inline, NKikimrSchemeOp::EIndexState, o, x) {
+    o << NKikimrSchemeOp::EIndexState_Name(x);
+}
diff --git a/ydb/core/tx/schemeshard/ut_helpers/ls_checks.h b/ydb/core/tx/schemeshard/ut_helpers/ls_checks.h
index 9d665d49ee..33022e4257 100644
--- a/ydb/core/tx/schemeshard/ut_helpers/ls_checks.h
+++ b/ydb/core/tx/schemeshard/ut_helpers/ls_checks.h
@@ -88,17 +88,17 @@ namespace NLs {
     TCheckFunc AllowFollowerPromotion(bool val);
     TCheckFunc FollowerGroups(const TVector<NKikimrHive::TFollowerGroup>& followerGroup = TVector<NKikimrHive::TFollowerGroup>{});
     TCheckFunc SizeToSplitEqual(ui32 size);
-    TCheckFunc MinPartitionsCountEqual(ui32 count); 
-    TCheckFunc MaxPartitionsCountEqual(ui32 count); 
-    TCheckFunc PartitioningByLoadStatus(bool status); 
+    TCheckFunc MinPartitionsCountEqual(ui32 count);
+    TCheckFunc MaxPartitionsCountEqual(ui32 count);
+    TCheckFunc PartitioningByLoadStatus(bool status);
     TCheckFunc ColumnFamiliesCount(ui32 size);
     TCheckFunc ColumnFamiliesHas(ui32 familyId);
     TCheckFunc ColumnFamiliesHas(ui32 familyId, const TString& familyName);
-    TCheckFunc KeyBloomFilterStatus(bool status); 
-    TCheckFunc HasTtlEnabled(const TString& columnName, const TDuration& expireAfter, 
+    TCheckFunc KeyBloomFilterStatus(bool status);
+    TCheckFunc HasTtlEnabled(const TString& columnName, const TDuration& expireAfter,
         NKikimrSchemeOp::TTTLSettings::EUnit columnUnit = NKikimrSchemeOp::TTTLSettings::UNIT_AUTO);
-    TCheckFunc HasTtlDisabled(); 
-    TCheckFunc IsBackupTable(bool value); 
+    TCheckFunc HasTtlDisabled();
+    TCheckFunc IsBackupTable(bool value);
 
     TCheckFunc HasOlapTableSchemaPreset(const TString& presetName);
     TCheckFunc HasOlapTableSchemaVersion(ui64 schemaVersion);
diff --git a/ydb/core/tx/schemeshard/ut_helpers/test_env.cpp b/ydb/core/tx/schemeshard/ut_helpers/test_env.cpp
index 284d88a33b..9cfd8037b7 100644
--- a/ydb/core/tx/schemeshard/ut_helpers/test_env.cpp
+++ b/ydb/core/tx/schemeshard/ut_helpers/test_env.cpp
@@ -337,15 +337,15 @@ private:
 
             HFunc(TEvSchemeShard::TEvCancelTx, Handle);
             HFunc(TEvSchemeShard::TEvCancelTxResult, Handle);
- 
-            HFunc(TEvExport::TEvCancelExportRequest, Handle); 
-            HFunc(TEvExport::TEvCancelExportResponse, Handle); 
- 
-            HFunc(TEvExport::TEvForgetExportRequest, Handle); 
-            HFunc(TEvExport::TEvForgetExportResponse, Handle); 
- 
-            HFunc(TEvImport::TEvCancelImportRequest, Handle); 
-            HFunc(TEvImport::TEvCancelImportResponse, Handle); 
+
+            HFunc(TEvExport::TEvCancelExportRequest, Handle);
+            HFunc(TEvExport::TEvCancelExportResponse, Handle);
+
+            HFunc(TEvExport::TEvForgetExportRequest, Handle);
+            HFunc(TEvExport::TEvForgetExportResponse, Handle);
+
+            HFunc(TEvImport::TEvCancelImportRequest, Handle);
+            HFunc(TEvImport::TEvCancelImportResponse, Handle);
         };
     }
 
@@ -391,18 +391,18 @@ private:
         HandleRequest(ev, ctx);
     }
 
-    void Handle(TEvExport::TEvCancelExportRequest::TPtr &ev, const TActorContext &ctx) { 
-        HandleRequest(ev, ctx); 
-    } 
- 
-    void Handle(TEvExport::TEvForgetExportRequest::TPtr &ev, const TActorContext &ctx) { 
-        HandleRequest(ev, ctx); 
-    } 
- 
-    void Handle(TEvImport::TEvCancelImportRequest::TPtr &ev, const TActorContext &ctx) { 
-        HandleRequest(ev, ctx); 
-    } 
- 
+    void Handle(TEvExport::TEvCancelExportRequest::TPtr &ev, const TActorContext &ctx) {
+        HandleRequest(ev, ctx);
+    }
+
+    void Handle(TEvExport::TEvForgetExportRequest::TPtr &ev, const TActorContext &ctx) {
+        HandleRequest(ev, ctx);
+    }
+
+    void Handle(TEvImport::TEvCancelImportRequest::TPtr &ev, const TActorContext &ctx) {
+        HandleRequest(ev, ctx);
+    }
+
     template<class TEventPtr>
     void HandleResponse(TEventPtr &ev, const TActorContext &ctx) {
         ui64 txId = ev->Get()->Record.GetTxId();
@@ -423,18 +423,18 @@ private:
         HandleResponse(ev, ctx);
     }
 
-    void Handle(TEvExport::TEvCancelExportResponse::TPtr &ev, const TActorContext &ctx) { 
-        HandleResponse(ev, ctx); 
-    } 
- 
-    void Handle(TEvExport::TEvForgetExportResponse::TPtr &ev, const TActorContext &ctx) { 
-        HandleResponse(ev, ctx); 
-    } 
- 
-    void Handle(TEvImport::TEvCancelImportResponse::TPtr &ev, const TActorContext &ctx) { 
-        HandleResponse(ev, ctx); 
-    } 
- 
+    void Handle(TEvExport::TEvCancelExportResponse::TPtr &ev, const TActorContext &ctx) {
+        HandleResponse(ev, ctx);
+    }
+
+    void Handle(TEvExport::TEvForgetExportResponse::TPtr &ev, const TActorContext &ctx) {
+        HandleResponse(ev, ctx);
+    }
+
+    void Handle(TEvImport::TEvCancelImportResponse::TPtr &ev, const TActorContext &ctx) {
+        HandleResponse(ev, ctx);
+    }
+
     void SendToSchemeshard(ui64 txId, const TActorContext &ctx) {
         if (!SchemeShardPipe) {
             SchemeShardPipe = ctx.Register(NTabletPipe::CreateClient(ctx.SelfID, SchemeshardTabletId, GetPipeConfigWithRetries()));
@@ -485,7 +485,7 @@ NSchemeShardUT_Private::TTestEnv::TTestEnv(TTestActorRuntime& runtime, const TTe
     : SchemeShardFactory(ssFactory)
     , HiveState(new TFakeHiveState)
     , CoordinatorState(new TFakeCoordinator::TState)
-    , ChannelsCount(opts.NChannels_) 
+    , ChannelsCount(opts.NChannels_)
 {
     ui64 hive = TTestTxConfig::Hive;
     ui64 schemeRoot = TTestTxConfig::SchemeShard;
@@ -495,22 +495,22 @@ NSchemeShardUT_Private::TTestEnv::TTestEnv(TTestActorRuntime& runtime, const TTe
     TAppPrepare app(dsExportFactory ? dsExportFactory : static_cast<std::shared_ptr<NKikimr::NDataShard::IExportFactory>>(std::make_shared<TDataShardExportFactory>()));
 
     app.SetEnableDataColumnForIndexTable(true);
-    app.SetEnableSystemViews(opts.EnableSystemViews_); 
-    app.SetEnablePersistentPartitionStats(opts.EnablePersistentPartitionStats_); 
-    app.SetEnableTtlOnAsyncIndexedTables(opts.EnableTtlOnAsyncIndexedTables_); 
-    app.SetAllowUpdateChannelsBindingOfSolomonPartitions(opts.AllowUpdateChannelsBindingOfSolomonPartitions_); 
-    app.SetEnableAsyncIndexes(opts.EnableAsyncIndexes_); 
+    app.SetEnableSystemViews(opts.EnableSystemViews_);
+    app.SetEnablePersistentPartitionStats(opts.EnablePersistentPartitionStats_);
+    app.SetEnableTtlOnAsyncIndexedTables(opts.EnableTtlOnAsyncIndexedTables_);
+    app.SetAllowUpdateChannelsBindingOfSolomonPartitions(opts.AllowUpdateChannelsBindingOfSolomonPartitions_);
+    app.SetEnableAsyncIndexes(opts.EnableAsyncIndexes_);
     app.SetEnableNotNullColumns(opts.EnableNotNullColumns_);
     app.SetEnableSchemeTransactionsAtSchemeShard(opts.EnableSchemeTransactionsAtSchemeShard_);
     app.SetEnableOlapSchemaOperations(opts.EnableOlapSchemaOperations_);
-    app.SetEnableProtoSourceIdInfo(opts.EnableProtoSourceIdInfo_); 
+    app.SetEnableProtoSourceIdInfo(opts.EnableProtoSourceIdInfo_);
     app.SetEnableBackgroundCompaction(opts.EnableBackgroundCompaction_);
     app.FeatureFlags.SetEnablePublicApiExternalBlobs(true);
 
-    for (const auto& sid : opts.SystemBackupSIDs_) { 
-        app.AddSystemBackupSID(sid); 
-    } 
- 
+    for (const auto& sid : opts.SystemBackupSIDs_) {
+        app.AddSystemBackupSID(sid);
+    }
+
     AddDomain(runtime, app, TTestTxConfig::DomainUid, 0, hive, schemeRoot);
 
     SetupLogging(runtime);
@@ -521,7 +521,7 @@ NSchemeShardUT_Private::TTestEnv::TTestEnv(TTestActorRuntime& runtime, const TTe
     }
 
     SetupTabletServices(runtime, &app);
-    if (opts.EnablePipeRetries_) { 
+    if (opts.EnablePipeRetries_) {
         EnableSchemeshardPipeRetriesGuard = EnableSchemeshardPipeRetries(runtime);
     }
 
@@ -548,15 +548,15 @@ NSchemeShardUT_Private::TTestEnv::TTestEnv(TTestActorRuntime& runtime, const TTe
     SetSplitMergePartCountLimit(&runtime, -1);
 }
 
-NSchemeShardUT_Private::TTestEnv::TTestEnv(TTestActorRuntime &runtime, ui32 nchannels, bool enablePipeRetries, 
-        NSchemeShardUT_Private::TTestEnv::TSchemeShardFactory ssFactory, bool enableSystemViews) 
-    : TTestEnv(runtime, TTestEnvOptions() 
-        .NChannels(nchannels) 
-        .EnablePipeRetries(enablePipeRetries) 
-        .EnableSystemViews(enableSystemViews), ssFactory) 
-{ 
-} 
- 
+NSchemeShardUT_Private::TTestEnv::TTestEnv(TTestActorRuntime &runtime, ui32 nchannels, bool enablePipeRetries,
+        NSchemeShardUT_Private::TTestEnv::TSchemeShardFactory ssFactory, bool enableSystemViews)
+    : TTestEnv(runtime, TTestEnvOptions()
+        .NChannels(nchannels)
+        .EnablePipeRetries(enablePipeRetries)
+        .EnableSystemViews(enableSystemViews), ssFactory)
+{
+}
+
 void NSchemeShardUT_Private::TTestEnv::SetupLogging(TTestActorRuntime &runtime) {
     runtime.SetLogPriority(NKikimrServices::PERSQUEUE, NActors::NLog::PRI_ERROR);
     runtime.SetLogPriority(NKikimrServices::BS_CONTROLLER, NActors::NLog::PRI_ERROR);
diff --git a/ydb/core/tx/schemeshard/ut_helpers/test_env.h b/ydb/core/tx/schemeshard/ut_helpers/test_env.h
index f03200d4c6..72b934c570 100644
--- a/ydb/core/tx/schemeshard/ut_helpers/test_env.h
+++ b/ydb/core/tx/schemeshard/ut_helpers/test_env.h
@@ -20,33 +20,33 @@ namespace NSchemeShardUT_Private {
     NActors::TActorId CreateNotificationSubscriber(NActors::TTestActorRuntime &runtime, ui64 schemeshardId);
     NActors::TActorId CreateFakeMetering(NActors::TTestActorRuntime &runtime);
 
-    struct TTestEnvOptions { 
-        using TSelf = TTestEnvOptions; 
- 
-        #define OPTION(type, name, defaultValue) \ 
-            TSelf& name(type value) { \ 
-                name##_ = value; \ 
-                return *this; \ 
-            } \ 
-            type name##_ = defaultValue 
- 
-        OPTION(ui32, NChannels, 4); 
-        OPTION(bool, EnablePipeRetries, true); 
-        OPTION(std::optional<bool>, EnableSystemViews, std::nullopt); 
-        OPTION(std::optional<bool>, EnablePersistentPartitionStats, std::nullopt); 
-        OPTION(std::optional<bool>, EnableTtlOnAsyncIndexedTables, std::nullopt); 
-        OPTION(std::optional<bool>, AllowUpdateChannelsBindingOfSolomonPartitions, std::nullopt); 
-        OPTION(std::optional<bool>, EnableAsyncIndexes, std::nullopt); 
-        OPTION(std::optional<bool>, EnableNotNullColumns, std::nullopt); 
+    struct TTestEnvOptions {
+        using TSelf = TTestEnvOptions;
+
+        #define OPTION(type, name, defaultValue) \
+            TSelf& name(type value) { \
+                name##_ = value; \
+                return *this; \
+            } \
+            type name##_ = defaultValue
+
+        OPTION(ui32, NChannels, 4);
+        OPTION(bool, EnablePipeRetries, true);
+        OPTION(std::optional<bool>, EnableSystemViews, std::nullopt);
+        OPTION(std::optional<bool>, EnablePersistentPartitionStats, std::nullopt);
+        OPTION(std::optional<bool>, EnableTtlOnAsyncIndexedTables, std::nullopt);
+        OPTION(std::optional<bool>, AllowUpdateChannelsBindingOfSolomonPartitions, std::nullopt);
+        OPTION(std::optional<bool>, EnableAsyncIndexes, std::nullopt);
+        OPTION(std::optional<bool>, EnableNotNullColumns, std::nullopt);
         OPTION(std::optional<bool>, EnableSchemeTransactionsAtSchemeShard, std::nullopt);
         OPTION(std::optional<bool>, EnableOlapSchemaOperations, std::nullopt);
-        OPTION(std::optional<bool>, EnableProtoSourceIdInfo, std::nullopt); 
+        OPTION(std::optional<bool>, EnableProtoSourceIdInfo, std::nullopt);
         OPTION(std::optional<bool>, EnableBackgroundCompaction, std::nullopt);
-        OPTION(THashSet<TString>, SystemBackupSIDs, {}); 
- 
-        #undef OPTION 
-    }; 
- 
+        OPTION(THashSet<TString>, SystemBackupSIDs, {});
+
+        #undef OPTION
+    };
+
     class TTestEnv {
     public:
         using TSchemeShardFactory = std::function<IActor* (const TActorId &, TTabletStorageInfo *)>;
@@ -64,16 +64,16 @@ namespace NSchemeShardUT_Private {
     public:
         TTestEnv(TTestActorRuntime& runtime, ui32 nchannels = 4, bool enablePipeRetries = true,
             TSchemeShardFactory ssFactory = &CreateFlatTxSchemeShard, bool enableSystemViews = false);
-        TTestEnv(TTestActorRuntime& runtime, const TTestEnvOptions& opts, 
+        TTestEnv(TTestActorRuntime& runtime, const TTestEnvOptions& opts,
             TSchemeShardFactory ssFactory = &CreateFlatTxSchemeShard, std::shared_ptr<NKikimr::NDataShard::IExportFactory> dsExportFactory = {});
 
         TFakeHiveState::TPtr GetHiveState() const;
         TAutoPtr<ITabletScheduledEventsGuard> EnableSchemeshardPipeRetries(TTestActorRuntime& runtime);
         ui32 ReliablePropose(TTestActorRuntime& runtime, TEvSchemeShard::TEvModifySchemeTransaction* evTx, const TVector<TEvSchemeShard::EStatus>& expectedResults = {NKikimrScheme::StatusAccepted});
         ui32 ReliablePropose(TTestActorRuntime& runtime, TEvSchemeShard::TEvCancelTx* evTx, const TVector<TEvSchemeShard::EStatus>& expectedResults = {NKikimrScheme::StatusAccepted});
-        ui32 ReliablePropose(TTestActorRuntime& runtime, TEvExport::TEvCancelExportRequest* ev, const TVector<Ydb::StatusIds::StatusCode>& expectedStatuses = {Ydb::StatusIds::SUCCESS}); 
-        ui32 ReliablePropose(TTestActorRuntime& runtime, TEvExport::TEvForgetExportRequest* ev, const TVector<Ydb::StatusIds::StatusCode>& expectedStatuses = {Ydb::StatusIds::SUCCESS}); 
-        ui32 ReliablePropose(TTestActorRuntime& runtime, TEvImport::TEvCancelImportRequest* ev, const TVector<Ydb::StatusIds::StatusCode>& expectedStatuses = {Ydb::StatusIds::SUCCESS}); 
+        ui32 ReliablePropose(TTestActorRuntime& runtime, TEvExport::TEvCancelExportRequest* ev, const TVector<Ydb::StatusIds::StatusCode>& expectedStatuses = {Ydb::StatusIds::SUCCESS});
+        ui32 ReliablePropose(TTestActorRuntime& runtime, TEvExport::TEvForgetExportRequest* ev, const TVector<Ydb::StatusIds::StatusCode>& expectedStatuses = {Ydb::StatusIds::SUCCESS});
+        ui32 ReliablePropose(TTestActorRuntime& runtime, TEvImport::TEvCancelImportRequest* ev, const TVector<Ydb::StatusIds::StatusCode>& expectedStatuses = {Ydb::StatusIds::SUCCESS});
         template <class TContainer>
         void TestWaitNotification(TTestActorRuntime& runtime, TContainer txs, ui64 schemeshardId = TTestTxConfig::SchemeShard) {
             TSet<ui64> set(txs.begin(), txs.end());
diff --git a/ydb/core/tx/schemeshard/ut_helpers/ya.make b/ydb/core/tx/schemeshard/ut_helpers/ya.make
index 8d49633138..b66d799ec0 100644
--- a/ydb/core/tx/schemeshard/ut_helpers/ya.make
+++ b/ydb/core/tx/schemeshard/ut_helpers/ya.make
@@ -1,8 +1,8 @@
-LIBRARY() 
- 
-OWNER(g:kikimr) 
- 
-PEERDIR( 
+LIBRARY()
+
+OWNER(g:kikimr)
+
+PEERDIR(
     library/cpp/testing/unittest
     ydb/core/base
     ydb/core/blockstore/core
@@ -20,10 +20,10 @@ PEERDIR(
     ydb/core/tx/tx_allocator
     ydb/core/tx/tx_proxy
     ydb/public/lib/scheme_types
-) 
- 
-SRCS( 
-    export_reboots_common.cpp 
+)
+
+SRCS(
+    export_reboots_common.cpp
     failing_mtpq.cpp
     test_env.cpp
     test_env.h
@@ -31,8 +31,8 @@ SRCS(
     ls_checks.h
     helpers.cpp
     helpers.h
-) 
- 
+)
+
 YQL_LAST_ABI_VERSION()
 
-END() 
+END()
diff --git a/ydb/core/tx/schemeshard/ut_index_build.cpp b/ydb/core/tx/schemeshard/ut_index_build.cpp
index 23a6868e5c..88860481cc 100644
--- a/ydb/core/tx/schemeshard/ut_index_build.cpp
+++ b/ydb/core/tx/schemeshard/ut_index_build.cpp
@@ -195,18 +195,18 @@ Y_UNIT_TEST_SUITE(IndexBuildTest) {
                               "Name: \"ResourceDB\"");
         env.TestWaitNotification(runtime, txId);
 
-        const auto attrs = AlterUserAttrs({ 
-            {"cloud_id", "CLOUD_ID_VAL"}, 
-            {"folder_id", "FOLDER_ID_VAL"}, 
-            {"database_id", "DATABASE_ID_VAL"} 
-        }); 
- 
-        TestCreateExtSubDomain(runtime, ++txId, "/MyRoot", Sprintf(R"( 
-            Name: "ServerLessDB" 
-            ResourcesDomainKey { 
-                SchemeShard: %lu 
-                PathId: 2 
-            } 
+        const auto attrs = AlterUserAttrs({
+            {"cloud_id", "CLOUD_ID_VAL"},
+            {"folder_id", "FOLDER_ID_VAL"},
+            {"database_id", "DATABASE_ID_VAL"}
+        });
+
+        TestCreateExtSubDomain(runtime, ++txId, "/MyRoot", Sprintf(R"(
+            Name: "ServerLessDB"
+            ResourcesDomainKey {
+                SchemeShard: %lu
+                PathId: 2
+            }
         )", TTestTxConfig::SchemeShard), attrs);
         env.TestWaitNotification(runtime, txId);
 
@@ -260,7 +260,7 @@ Y_UNIT_TEST_SUITE(IndexBuildTest) {
         }
 
         runtime.SetLogPriority(NKikimrServices::TX_DATASHARD, NLog::PRI_TRACE);
-        runtime.SetLogPriority(NKikimrServices::BUILD_INDEX, NLog::PRI_TRACE); 
+        runtime.SetLogPriority(NKikimrServices::BUILD_INDEX, NLog::PRI_TRACE);
 
         TestDescribeResult(DescribePath(runtime, tenantSchemeShard, "/MyRoot/ServerLessDB/Table"),
                            {NLs::PathExist,
@@ -291,9 +291,9 @@ Y_UNIT_TEST_SUITE(IndexBuildTest) {
         auto descr = TestGetBuilIndex(runtime, tenantSchemeShard, "/MyRoot/ServerLessDB", txId);
         Y_ASSERT(descr.GetIndexBuild().GetState() == Ydb::Table::IndexBuildState::STATE_DONE);
 
-        const TString meteringData = R"({"usage":{"start":0,"quantity":179,"finish":0,"unit":"request_unit","type":"delta"},"tags":{},"id":"106-9437199-2-101-1818-101-1818","cloud_id":"CLOUD_ID_VAL","source_wt":0,"source_id":"sless-docapi-ydb-ss","resource_id":"DATABASE_ID_VAL","schema":"ydb.serverless.requests.v1","folder_id":"FOLDER_ID_VAL","version":"1.0.0"})"; 
- 
-        UNIT_ASSERT_NO_DIFF(meteringMessages, meteringData + "\n"); 
+        const TString meteringData = R"({"usage":{"start":0,"quantity":179,"finish":0,"unit":"request_unit","type":"delta"},"tags":{},"id":"106-9437199-2-101-1818-101-1818","cloud_id":"CLOUD_ID_VAL","source_wt":0,"source_id":"sless-docapi-ydb-ss","resource_id":"DATABASE_ID_VAL","schema":"ydb.serverless.requests.v1","folder_id":"FOLDER_ID_VAL","version":"1.0.0"})";
+
+        UNIT_ASSERT_NO_DIFF(meteringMessages, meteringData + "\n");
 
         TestDescribeResult(DescribePath(runtime, tenantSchemeShard, "/MyRoot/ServerLessDB/Table"),
                            {NLs::PathExist,
@@ -308,10 +308,10 @@ Y_UNIT_TEST_SUITE(IndexBuildTest) {
         listing = TestListBuilIndex(runtime, tenantSchemeShard, "/MyRoot/ServerLessDB");
         Y_ASSERT(listing.EntriesSize() == 0);
 
-        TestDropTableIndex(runtime, tenantSchemeShard, ++txId, "/MyRoot/ServerLessDB", R"( 
-            TableName: "Table" 
-            IndexName: "index1" 
-        )"); 
+        TestDropTableIndex(runtime, tenantSchemeShard, ++txId, "/MyRoot/ServerLessDB", R"(
+            TableName: "Table"
+            IndexName: "index1"
+        )");
         env.TestWaitNotification(runtime, txId, tenantSchemeShard);
 
         RebootTablet(runtime, tenantSchemeShard, runtime.AllocateEdgeActor());
@@ -337,65 +337,65 @@ Y_UNIT_TEST_SUITE(IndexBuildTest) {
 
         TestBuilIndex(runtime, ++txId, tenantSchemeShard, "/MyRoot/ServerLessDB", "/MyRoot/ServerLessDB/Table", "index2", {"index"});
         env.TestWaitNotification(runtime, txId, tenantSchemeShard);
- 
-        // CommonDB 
-        TestCreateExtSubDomain(runtime, ++txId,  "/MyRoot", 
-                               "Name: \"CommonDB\""); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        TestAlterExtSubDomain(runtime, ++txId,  "/MyRoot", 
-                              "StoragePools { " 
-                              "  Name: \"pool-3\" " 
-                              "  Kind: \"pool-kind-3\" " 
-                              "} " 
-                              "PlanResolution: 50 " 
-                              "Coordinators: 1 " 
-                              "Mediators: 1 " 
-                              "TimeCastBucketsPerMediator: 2 " 
-                              "ExternalSchemeShard: true " 
-                              "Name: \"CommonDB\""); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/CommonDB"), 
-                           {NLs::PathExist, 
-                            NLs::IsExternalSubDomain("CommonDB"), 
-                            NLs::ExtractTenantSchemeshard(&tenantSchemeShard)}); 
- 
-        TestCreateTable(runtime, tenantSchemeShard, ++txId, "/MyRoot/CommonDB", R"( 
-              Name: "Table" 
-              Columns { Name: "key"     Type: "Uint32" } 
-              Columns { Name: "index"   Type: "Uint32" } 
-              Columns { Name: "value"   Type: "Utf8"   } 
-              KeyColumnNames: ["key"] 
-        )"); 
-        env.TestWaitNotification(runtime, txId, tenantSchemeShard); 
- 
-        for (ui32 delta = 0; delta < 101; ++delta) { 
+
+        // CommonDB
+        TestCreateExtSubDomain(runtime, ++txId,  "/MyRoot",
+                               "Name: \"CommonDB\"");
+        env.TestWaitNotification(runtime, txId);
+
+        TestAlterExtSubDomain(runtime, ++txId,  "/MyRoot",
+                              "StoragePools { "
+                              "  Name: \"pool-3\" "
+                              "  Kind: \"pool-kind-3\" "
+                              "} "
+                              "PlanResolution: 50 "
+                              "Coordinators: 1 "
+                              "Mediators: 1 "
+                              "TimeCastBucketsPerMediator: 2 "
+                              "ExternalSchemeShard: true "
+                              "Name: \"CommonDB\"");
+        env.TestWaitNotification(runtime, txId);
+
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/CommonDB"),
+                           {NLs::PathExist,
+                            NLs::IsExternalSubDomain("CommonDB"),
+                            NLs::ExtractTenantSchemeshard(&tenantSchemeShard)});
+
+        TestCreateTable(runtime, tenantSchemeShard, ++txId, "/MyRoot/CommonDB", R"(
+              Name: "Table"
+              Columns { Name: "key"     Type: "Uint32" }
+              Columns { Name: "index"   Type: "Uint32" }
+              Columns { Name: "value"   Type: "Utf8"   }
+              KeyColumnNames: ["key"]
+        )");
+        env.TestWaitNotification(runtime, txId, tenantSchemeShard);
+
+        for (ui32 delta = 0; delta < 101; ++delta) {
             fnWriteRow(TTestTxConfig::FakeHiveTablets + 12, 1 + delta, 1000 + delta, "aaaa", "Table");
-        } 
- 
-        TVector<TString> billRecords; 
-        runtime.SetObserverFunc([&billRecords](TTestActorRuntimeBase&, TAutoPtr<IEventHandle> &ev) { 
-            if (ev->Type == NMetering::TEvMetering::TEvWriteMeteringJson::EventType) { 
-                auto* msg = ev->Get<NMetering::TEvMetering::TEvWriteMeteringJson>(); 
-                billRecords.push_back(msg->MeteringJson); 
-            } 
- 
-            return TTestActorRuntime::EEventAction::PROCESS; 
-        }); 
- 
-        TestBuilIndex(runtime, ++txId, tenantSchemeShard, "/MyRoot/CommonDB", "/MyRoot/CommonDB/Table", "index1", {"index"}); 
-        builIndexId = txId; 
- 
-        listing = TestListBuilIndex(runtime, tenantSchemeShard, "/MyRoot/CommonDB"); 
-        Y_ASSERT(listing.EntriesSize() == 1); 
- 
-        env.TestWaitNotification(runtime, txId, tenantSchemeShard); 
- 
-        descr = TestGetBuilIndex(runtime, tenantSchemeShard, "/MyRoot/CommonDB", txId); 
-        Y_ASSERT(descr.GetIndexBuild().GetState() == Ydb::Table::IndexBuildState::STATE_DONE); 
- 
-        UNIT_ASSERT(billRecords.empty()); 
+        }
+
+        TVector<TString> billRecords;
+        runtime.SetObserverFunc([&billRecords](TTestActorRuntimeBase&, TAutoPtr<IEventHandle> &ev) {
+            if (ev->Type == NMetering::TEvMetering::TEvWriteMeteringJson::EventType) {
+                auto* msg = ev->Get<NMetering::TEvMetering::TEvWriteMeteringJson>();
+                billRecords.push_back(msg->MeteringJson);
+            }
+
+            return TTestActorRuntime::EEventAction::PROCESS;
+        });
+
+        TestBuilIndex(runtime, ++txId, tenantSchemeShard, "/MyRoot/CommonDB", "/MyRoot/CommonDB/Table", "index1", {"index"});
+        builIndexId = txId;
+
+        listing = TestListBuilIndex(runtime, tenantSchemeShard, "/MyRoot/CommonDB");
+        Y_ASSERT(listing.EntriesSize() == 1);
+
+        env.TestWaitNotification(runtime, txId, tenantSchemeShard);
+
+        descr = TestGetBuilIndex(runtime, tenantSchemeShard, "/MyRoot/CommonDB", txId);
+        Y_ASSERT(descr.GetIndexBuild().GetState() == Ydb::Table::IndexBuildState::STATE_DONE);
+
+        UNIT_ASSERT(billRecords.empty());
     }
 
     Y_UNIT_TEST(CancellationNotEnoughRetries) {
@@ -571,10 +571,10 @@ Y_UNIT_TEST_SUITE(IndexBuildTest) {
         auto listing = TestListBuilIndex(runtime, TTestTxConfig::SchemeShard, "/MyRoot");
         Y_ASSERT(listing.EntriesSize() == 0);
 
-        TestDropTableIndex(runtime, ++txId, "/MyRoot", R"( 
-            TableName: "WithFollowers" 
-            IndexName: "UserDefinedIndexByValue0" 
-        )"); 
+        TestDropTableIndex(runtime, ++txId, "/MyRoot", R"(
+            TableName: "WithFollowers"
+            IndexName: "UserDefinedIndexByValue0"
+        )");
         env.TestWaitNotification(runtime, txId);
 
         TestDescribeResult(DescribePath(runtime, "/MyRoot/WithFollowers"),
@@ -681,10 +681,10 @@ Y_UNIT_TEST_SUITE(IndexBuildTest) {
                        {NKikimrScheme::StatusMultipleModifications});
         env.TestWaitNotification(runtime, txId);
 
-        TestDropTableIndex(runtime, ++txId, "/MyRoot", R"( 
-            TableName: "Table" 
-            IndexName: "nameOK" 
-        )", {NKikimrScheme::StatusMultipleModifications}); 
+        TestDropTableIndex(runtime, ++txId, "/MyRoot", R"(
+            TableName: "Table"
+            IndexName: "nameOK"
+        )", {NKikimrScheme::StatusMultipleModifications});
         env.TestWaitNotification(runtime, txId);
 
         TestDropTable(runtime, ++txId, "/MyRoot", "Table",
@@ -746,28 +746,28 @@ Y_UNIT_TEST_SUITE(IndexBuildTest) {
                            {NLs::Finished,
                             NLs::PathVersionEqual(3),
                             NLs::IndexesCount(2)});
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/UserDefinedIndexByValue0"), 
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/UserDefinedIndexByValue0"),
                            {NLs::Finished,
                             NLs::IndexType(NKikimrSchemeOp::EIndexTypeGlobal),
                             NLs::IndexState(NKikimrSchemeOp::EIndexStateReady),
                             NLs::IndexKeys({"value0"})});
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/UserDefinedIndexByValue0/indexImplTable"), 
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/UserDefinedIndexByValue0/indexImplTable"),
                            {NLs::Finished,
                             NLs::PathVersionEqual(3)});
 
-        TestDropTableIndex(runtime, ++txId, "/MyRoot", R"( 
-            TableName: "Table" 
-            IndexName: "UserDefinedIndexByValue0" 
-        )"); 
+        TestDropTableIndex(runtime, ++txId, "/MyRoot", R"(
+            TableName: "Table"
+            IndexName: "UserDefinedIndexByValue0"
+        )");
         env.TestWaitNotification(runtime, txId);
 
         TestDescribeResult(DescribePath(runtime, "/MyRoot/Table"),
                            {NLs::Finished,
                             NLs::PathVersionEqual(5),
                             NLs::IndexesCount(1)});
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/UserDefinedIndexByValue0"), 
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/UserDefinedIndexByValue0"),
                            {NLs::PathNotExist});
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/UserDefinedIndexByValue0/indexImplTable"), 
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/UserDefinedIndexByValue0/indexImplTable"),
                            {NLs::PathNotExist});
 
         TestCopyTable(runtime, ++txId, "/MyRoot", "Copy", "/MyRoot/Table");
@@ -777,9 +777,9 @@ Y_UNIT_TEST_SUITE(IndexBuildTest) {
                            {NLs::Finished,
                             NLs::PathVersionEqual(5),
                             NLs::IndexesCount(1)});
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/UserDefinedIndexByValue1"), 
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/UserDefinedIndexByValue1"),
                            {NLs::PathExist});
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/UserDefinedIndexByValue1/indexImplTable"), 
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/UserDefinedIndexByValue1/indexImplTable"),
                            {NLs::PathExist});
 
 
@@ -814,50 +814,50 @@ Y_UNIT_TEST_SUITE(IndexBuildTest) {
                            {NLs::Finished,
                             NLs::PathVersionEqual(3),
                             NLs::IndexesCount(1)});
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/UserDefinedIndexByValue0"), 
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/UserDefinedIndexByValue0"),
                            {NLs::Finished,
                             NLs::IndexType(NKikimrSchemeOp::EIndexTypeGlobal),
                             NLs::IndexState(NKikimrSchemeOp::EIndexStateReady),
                             NLs::IndexKeys({"value0"})});
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/UserDefinedIndexByValue0/indexImplTable"), 
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/UserDefinedIndexByValue0/indexImplTable"),
                            {NLs::Finished,
                             NLs::PathVersionEqual(3)});
 
-        TestDropTableIndex(runtime, ++txId, "/MyRoot/NotExist", R"( 
-            TableName: "Table" 
-            IndexName: "UserDefinedIndexByValue0" 
-        )", {NKikimrScheme::StatusPathDoesNotExist}); 
+        TestDropTableIndex(runtime, ++txId, "/MyRoot/NotExist", R"(
+            TableName: "Table"
+            IndexName: "UserDefinedIndexByValue0"
+        )", {NKikimrScheme::StatusPathDoesNotExist});
         env.TestWaitNotification(runtime, txId);
 
-        TestDropTableIndex(runtime, ++txId, "/MyRoot", R"( 
-            TableName: "NotExist" 
-            IndexName: "UserDefinedIndexByValue0" 
-        )", {NKikimrScheme::StatusPathDoesNotExist}); 
+        TestDropTableIndex(runtime, ++txId, "/MyRoot", R"(
+            TableName: "NotExist"
+            IndexName: "UserDefinedIndexByValue0"
+        )", {NKikimrScheme::StatusPathDoesNotExist});
         env.TestWaitNotification(runtime, txId);
 
-        TestDropTableIndex(runtime, ++txId, "/MyRoot", R"( 
-            TableName: "Table" 
-            IndexName: "NotExist" 
-        )", {NKikimrScheme::StatusPathDoesNotExist}); 
+        TestDropTableIndex(runtime, ++txId, "/MyRoot", R"(
+            TableName: "Table"
+            IndexName: "NotExist"
+        )", {NKikimrScheme::StatusPathDoesNotExist});
         env.TestWaitNotification(runtime, txId);
 
-        TestDropTableIndex(runtime, ++txId, "/MyRoot", R"( 
-            TableName: "Table" 
-            IndexName: "UserDefinedIndexByValue0" 
-        )"); 
-        TestDropTableIndex(runtime, ++txId, "/MyRoot", R"( 
-            TableName: "Table" 
-            IndexName: "UserDefinedIndexByValue0" 
-        )", {NKikimrScheme::StatusMultipleModifications}); 
+        TestDropTableIndex(runtime, ++txId, "/MyRoot", R"(
+            TableName: "Table"
+            IndexName: "UserDefinedIndexByValue0"
+        )");
+        TestDropTableIndex(runtime, ++txId, "/MyRoot", R"(
+            TableName: "Table"
+            IndexName: "UserDefinedIndexByValue0"
+        )", {NKikimrScheme::StatusMultipleModifications});
         env.TestWaitNotification(runtime, {txId, txId - 1});
 
         TestDescribeResult(DescribePath(runtime, "/MyRoot/Table"),
                            {NLs::Finished,
                             NLs::PathVersionEqual(5),
                             NLs::IndexesCount(0)});
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/UserDefinedIndexByValue0"), 
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/UserDefinedIndexByValue0"),
                            {NLs::PathNotExist});
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/UserDefinedIndexByValue0/indexImplTable"), 
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/UserDefinedIndexByValue0/indexImplTable"),
                            {NLs::PathNotExist});
 
         TestDropTable(runtime, ++txId, "/MyRoot", "Table");
diff --git a/ydb/core/tx/schemeshard/ut_index_build_reboots.cpp b/ydb/core/tx/schemeshard/ut_index_build_reboots.cpp
index 1898472b34..d270fd87e6 100644
--- a/ydb/core/tx/schemeshard/ut_index_build_reboots.cpp
+++ b/ydb/core/tx/schemeshard/ut_index_build_reboots.cpp
@@ -230,29 +230,29 @@ Y_UNIT_TEST_SUITE(IndexBuildTestReboots) {
                                    {NLs::Finished,
                                     NLs::PathVersionEqual(3),
                                     NLs::IndexesCount(1)});
-                TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/UserDefinedIndexByValue0"), 
+                TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/UserDefinedIndexByValue0"),
                                    {NLs::Finished,
                                     NLs::IndexType(NKikimrSchemeOp::EIndexTypeGlobal),
                                     NLs::IndexState(NKikimrSchemeOp::EIndexStateReady),
                                     NLs::IndexKeys({"value0"})});
-                TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/UserDefinedIndexByValue0/indexImplTable"), 
+                TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/UserDefinedIndexByValue0/indexImplTable"),
                                    {NLs::Finished,
                                     NLs::PathVersionEqual(3)});
             }
 
-        TestDropTableIndex(runtime, ++t.TxId, "/MyRoot", R"( 
-            TableName: "Table" 
-            IndexName: "UserDefinedIndexByValue0" 
-        )"); 
+        TestDropTableIndex(runtime, ++t.TxId, "/MyRoot", R"(
+            TableName: "Table"
+            IndexName: "UserDefinedIndexByValue0"
+        )");
         t.TestEnv->TestWaitNotification(runtime, t.TxId);
 
         TestDescribeResult(DescribePath(runtime, "/MyRoot/Table"),
                            {NLs::Finished,
                             NLs::PathVersionEqual(5),
                             NLs::IndexesCount(0)});
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/UserDefinedIndexByValue0"), 
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/UserDefinedIndexByValue0"),
                            {NLs::PathNotExist});
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/UserDefinedIndexByValue0/indexImplTable"), 
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/UserDefinedIndexByValue0/indexImplTable"),
                            {NLs::PathNotExist});
         });
     }
@@ -283,29 +283,29 @@ Y_UNIT_TEST_SUITE(IndexBuildTestReboots) {
                                    {NLs::Finished,
                                     NLs::PathVersionEqual(3),
                                     NLs::IndexesCount(1)});
-                TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/UserDefinedIndexByValue0"), 
+                TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/UserDefinedIndexByValue0"),
                                    {NLs::Finished,
                                     NLs::IndexType(NKikimrSchemeOp::EIndexTypeGlobal),
                                     NLs::IndexState(NKikimrSchemeOp::EIndexStateReady),
                                     NLs::IndexKeys({"value0"})});
-                TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/UserDefinedIndexByValue0/indexImplTable"), 
+                TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/UserDefinedIndexByValue0/indexImplTable"),
                                    {NLs::Finished,
                                     NLs::PathVersionEqual(3)});
             }
 
-        TestDropTableIndex(runtime, ++t.TxId, "/MyRoot", R"( 
-            TableName: "Table" 
-            IndexName: "UserDefinedIndexByValue0" 
-        )"); 
+        TestDropTableIndex(runtime, ++t.TxId, "/MyRoot", R"(
+            TableName: "Table"
+            IndexName: "UserDefinedIndexByValue0"
+        )");
         t.TestEnv->TestWaitNotification(runtime, t.TxId);
 
         TestDescribeResult(DescribePath(runtime, "/MyRoot/Table"),
                            {NLs::Finished,
                             NLs::PathVersionEqual(5),
                             NLs::IndexesCount(0)});
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/UserDefinedIndexByValue0"), 
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/UserDefinedIndexByValue0"),
                            {NLs::PathNotExist});
-        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/UserDefinedIndexByValue0/indexImplTable"), 
+        TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/Table/UserDefinedIndexByValue0/indexImplTable"),
                            {NLs::PathNotExist});
         });
     }
diff --git a/ydb/core/tx/schemeshard/ut_move.cpp b/ydb/core/tx/schemeshard/ut_move.cpp
index 62d5e90473..bb20b59958 100644
--- a/ydb/core/tx/schemeshard/ut_move.cpp
+++ b/ydb/core/tx/schemeshard/ut_move.cpp
@@ -1,6 +1,6 @@
 #include <ydb/core/tx/schemeshard/ut_helpers/helpers.h>
 #include <ydb/core/tx/schemeshard/schemeshard_utils.h>
- 
+
 #include <ydb/core/base/compile_time_flags.h>
 #include <ydb/core/kqp/ut/common/kqp_ut_common.h>
 #include <ydb/core/tx/datashard/change_exchange.h>
diff --git a/ydb/core/tx/schemeshard/ut_move_reboots.cpp b/ydb/core/tx/schemeshard/ut_move_reboots.cpp
index daee5ff52f..58e9bebd9b 100644
--- a/ydb/core/tx/schemeshard/ut_move_reboots.cpp
+++ b/ydb/core/tx/schemeshard/ut_move_reboots.cpp
@@ -1,6 +1,6 @@
 #include <ydb/core/tx/schemeshard/ut_helpers/helpers.h>
 #include <ydb/core/tx/schemeshard/schemeshard_utils.h>
- 
+
 #include <ydb/core/base/compile_time_flags.h>
 #include <ydb/core/kqp/ut/common/kqp_ut_common.h>
 #include <ydb/core/tx/datashard/change_exchange.h>
diff --git a/ydb/core/tx/schemeshard/ut_olap_reboots.cpp b/ydb/core/tx/schemeshard/ut_olap_reboots.cpp
index 8e4a9d639a..c7369d4a4e 100644
--- a/ydb/core/tx/schemeshard/ut_olap_reboots.cpp
+++ b/ydb/core/tx/schemeshard/ut_olap_reboots.cpp
@@ -9,7 +9,7 @@ Y_UNIT_TEST_SUITE(TOlapReboots) {
     Y_UNIT_TEST(CreateStore) {
         TTestWithReboots t(false);
         t.Run([&](TTestActorRuntime& runtime, bool& activeZone) {
-            runtime.GetAppData().FeatureFlags.SetEnableOlapSchemaOperationsForTest(true); 
+            runtime.GetAppData().FeatureFlags.SetEnableOlapSchemaOperationsForTest(true);
 
             {
                 TInactiveZone inactive(activeZone);
@@ -45,7 +45,7 @@ Y_UNIT_TEST_SUITE(TOlapReboots) {
     Y_UNIT_TEST(CreateTable) {
         TTestWithReboots t(false);
         t.Run([&](TTestActorRuntime& runtime, bool& activeZone) {
-            runtime.GetAppData().FeatureFlags.SetEnableOlapSchemaOperationsForTest(true); 
+            runtime.GetAppData().FeatureFlags.SetEnableOlapSchemaOperationsForTest(true);
 
             {
                 TInactiveZone inactive(activeZone);
@@ -84,7 +84,7 @@ Y_UNIT_TEST_SUITE(TOlapReboots) {
     Y_UNIT_TEST(CreateDropTable) {
         TTestWithReboots t(false);
         t.Run([&](TTestActorRuntime& runtime, bool& activeZone) {
-            runtime.GetAppData().FeatureFlags.SetEnableOlapSchemaOperationsForTest(true); 
+            runtime.GetAppData().FeatureFlags.SetEnableOlapSchemaOperationsForTest(true);
 
             {
                 TInactiveZone inactive(activeZone);
@@ -125,7 +125,7 @@ Y_UNIT_TEST_SUITE(TOlapReboots) {
     Y_UNIT_TEST(CreateMultipleTables) {
         TTestWithReboots t(false);
         t.Run([&](TTestActorRuntime& runtime, bool& activeZone) {
-            runtime.GetAppData().FeatureFlags.SetEnableOlapSchemaOperationsForTest(true); 
+            runtime.GetAppData().FeatureFlags.SetEnableOlapSchemaOperationsForTest(true);
 
             {
                 TInactiveZone inactive(activeZone);
@@ -170,7 +170,7 @@ Y_UNIT_TEST_SUITE(TOlapReboots) {
     Y_UNIT_TEST(DropMultipleTables) {
         TTestWithReboots t(false);
         t.Run([&](TTestActorRuntime& runtime, bool& activeZone) {
-            runtime.GetAppData().FeatureFlags.SetEnableOlapSchemaOperationsForTest(true); 
+            runtime.GetAppData().FeatureFlags.SetEnableOlapSchemaOperationsForTest(true);
 
             {
                 TInactiveZone inactive(activeZone);
@@ -221,7 +221,7 @@ Y_UNIT_TEST_SUITE(TOlapReboots) {
     Y_UNIT_TEST(CreateDropStore) {
         TTestWithReboots t(false);
         t.Run([&](TTestActorRuntime& runtime, bool& activeZone) {
-            runtime.GetAppData().FeatureFlags.SetEnableOlapSchemaOperationsForTest(true); 
+            runtime.GetAppData().FeatureFlags.SetEnableOlapSchemaOperationsForTest(true);
 
             {
                 TInactiveZone inactive(activeZone);
@@ -263,7 +263,7 @@ Y_UNIT_TEST_SUITE(TOlapReboots) {
     Y_UNIT_TEST(DropTableThenStore) {
         TTestWithReboots t(false);
         t.Run([&](TTestActorRuntime& runtime, bool& activeZone) {
-            runtime.GetAppData().FeatureFlags.SetEnableOlapSchemaOperationsForTest(true); 
+            runtime.GetAppData().FeatureFlags.SetEnableOlapSchemaOperationsForTest(true);
 
             {
                 TInactiveZone inactive(activeZone);
@@ -311,7 +311,7 @@ Y_UNIT_TEST_SUITE(TOlapReboots) {
     Y_UNIT_TEST(AlterTtlSettings) {
         TTestWithReboots t(false);
         t.Run([&](TTestActorRuntime& runtime, bool& activeZone) {
-            runtime.GetAppData().FeatureFlags.SetEnableOlapSchemaOperationsForTest(true); 
+            runtime.GetAppData().FeatureFlags.SetEnableOlapSchemaOperationsForTest(true);
 
             {
                 TInactiveZone inactive(activeZone);
diff --git a/ydb/core/tx/schemeshard/ut_reboots.cpp b/ydb/core/tx/schemeshard/ut_reboots.cpp
index e93771ed07..dce2c12712 100644
--- a/ydb/core/tx/schemeshard/ut_reboots.cpp
+++ b/ydb/core/tx/schemeshard/ut_reboots.cpp
@@ -111,7 +111,7 @@ Y_UNIT_TEST_SUITE(IntermediateDirsReboots) {
         TTestWithReboots t;
         t.Run([&](TTestActorRuntime& runtime, bool& activeZone) {
             AsyncMkDir(runtime, ++t.TxId, "/MyRoot", "x/y/z");
-            TestForceDropUnsafe(runtime, ++t.TxId, 4, TVector<NKikimrScheme::EStatus>{NKikimrScheme::StatusMultipleModifications}); 
+            TestForceDropUnsafe(runtime, ++t.TxId, 4, TVector<NKikimrScheme::EStatus>{NKikimrScheme::StatusMultipleModifications});
             t.TestEnv->TestWaitNotification(runtime, {t.TxId - 1, t.TxId});
 
             {
@@ -219,7 +219,7 @@ Y_UNIT_TEST_SUITE(TConsistentOpsWithReboots) {
                                                  {NLs::PathVersionEqual(7)});
             }
 
-            t.TestEnv->ReliablePropose(runtime, ConsistentCopyTablesRequest(++t.TxId, "/", R"( 
+            t.TestEnv->ReliablePropose(runtime, ConsistentCopyTablesRequest(++t.TxId, "/", R"(
                            CopyTableDescriptions {
                              SrcPath: "/MyRoot/DirB/src1"
                              DstPath: "/MyRoot/DirB/dst1"
@@ -296,7 +296,7 @@ Y_UNIT_TEST_SUITE(TConsistentOpsWithReboots) {
                 };
                 fnWriteRow(TTestTxConfig::FakeHiveTablets);
 
-                TestConsistentCopyTables(runtime, ++t.TxId, "/", R"( 
+                TestConsistentCopyTables(runtime, ++t.TxId, "/", R"(
                            CopyTableDescriptions {
                              SrcPath: "/MyRoot/DirB/src1"
                              DstPath: "/MyRoot/DirB/dst1"
@@ -373,27 +373,27 @@ Y_UNIT_TEST_SUITE(TConsistentOpsWithReboots) {
                                    { NLs::Finished,
                                     NLs::PathVersionEqual(3),
                                     NLs::IndexesCount(3)});
-                TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirB/Table1/UserDefinedIndexByValue0"), 
+                TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirB/Table1/UserDefinedIndexByValue0"),
                                    {NLs::Finished,
                                     NLs::IndexType(NKikimrSchemeOp::EIndexTypeGlobal),
                                     NLs::IndexState(NKikimrSchemeOp::EIndexStateReady),
                                     NLs::IndexKeys({"value0"})});
-                TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirB/Table1/UserDefinedIndexByValue0/indexImplTable"), 
+                TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirB/Table1/UserDefinedIndexByValue0/indexImplTable"),
                                    {NLs::Finished});
-                TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirB/Table1/UserDefinedIndexByValues"), 
+                TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirB/Table1/UserDefinedIndexByValues"),
                                    {NLs::Finished,
                                     NLs::IndexType(NKikimrSchemeOp::EIndexTypeGlobal),
                                     NLs::IndexState(NKikimrSchemeOp::EIndexStateNotReady),
                                     NLs::IndexKeys({"value0", "value1"})});
-                TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirB/Table1/UserDefinedIndexByValues/indexImplTable"), 
+                TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirB/Table1/UserDefinedIndexByValues/indexImplTable"),
                                    {NLs::Finished});
-                TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirB/Table1/UserDefinedIndexByValue0CoveringValue1"), 
+                TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirB/Table1/UserDefinedIndexByValue0CoveringValue1"),
                                    {NLs::Finished,
                                     NLs::IndexType(NKikimrSchemeOp::EIndexTypeGlobal),
                                     NLs::IndexState(NKikimrSchemeOp::EIndexStateReady),
                                     NLs::IndexKeys({"value0"}),
                                     NLs::IndexDataColumns({"value1"})});
-                TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirB/Table1/UserDefinedIndexByValue0CoveringValue1/indexImplTable"), 
+                TestDescribeResult(DescribePrivatePath(runtime, "/MyRoot/DirB/Table1/UserDefinedIndexByValue0CoveringValue1/indexImplTable"),
                                    {NLs::Finished});
 
             }
diff --git a/ydb/core/tx/schemeshard/ut_replication.cpp b/ydb/core/tx/schemeshard/ut_replication.cpp
index 46efb783b5..0f511f2188 100644
--- a/ydb/core/tx/schemeshard/ut_replication.cpp
+++ b/ydb/core/tx/schemeshard/ut_replication.cpp
@@ -1,96 +1,96 @@
-#include <ydb/core/tx/schemeshard/ut_helpers/helpers.h> 
- 
-using namespace NSchemeShardUT_Private; 
- 
-Y_UNIT_TEST_SUITE(TReplicationTests) { 
-    void SetupLogging(TTestActorRuntimeBase& runtime) { 
-        runtime.SetLogPriority(NKikimrServices::FLAT_TX_SCHEMESHARD, NActors::NLog::PRI_TRACE); 
-        runtime.SetLogPriority(NKikimrServices::REPLICATION_CONTROLLER, NActors::NLog::PRI_TRACE); 
-    } 
- 
-    Y_UNIT_TEST(Create) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime); 
-        ui64 txId = 100; 
- 
-        SetupLogging(runtime); 
- 
-        TestCreateReplication(runtime, ++txId, "/MyRoot", R"( 
-            Name: "Replication" 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
-        TestLs(runtime, "/MyRoot/Replication", false, NLs::PathExist); 
-    } 
- 
-    Y_UNIT_TEST(CreateSequential) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime); 
-        ui64 txId = 100; 
- 
-        SetupLogging(runtime); 
- 
-        for (int i = 0; i < 2; ++i) { 
-            const auto name = Sprintf("Replication%d", i); 
- 
-            TestCreateReplication(runtime, ++txId, "/MyRoot", Sprintf(R"( 
-                Name: "%s" 
-            )", name.c_str())); 
-            env.TestWaitNotification(runtime, txId); 
-            TestLs(runtime, "/MyRoot/" + name, false, NLs::PathExist); 
-        } 
-    } 
- 
-    Y_UNIT_TEST(CreateInParallel) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime); 
-        ui64 txId = 100; 
- 
-        SetupLogging(runtime); 
- 
-        for (int i = 0; i < 2; ++i) { 
-            TVector<TString> names; 
-            TVector<ui64> txIds; 
- 
-            for (int j = 0; j < 2; ++j) { 
-                auto name = Sprintf("Replication%d-%d", i, j); 
- 
-                TestCreateReplication(runtime, ++txId, "/MyRoot", Sprintf(R"( 
-                    Name: "%s" 
-                )", name.c_str())); 
- 
-                names.push_back(std::move(name)); 
-                txIds.push_back(txId); 
-            } 
- 
-            env.TestWaitNotification(runtime, txIds); 
-            for (const auto& name : names) { 
-                TestLs(runtime, "/MyRoot/" + name, false, NLs::PathExist); 
-            } 
-        } 
-    } 
- 
-    Y_UNIT_TEST(CreateDropRecreate) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime); 
-        ui64 txId = 100; 
- 
-        SetupLogging(runtime); 
- 
-        TestCreateReplication(runtime, ++txId, "/MyRoot", R"( 
-            Name: "Replication" 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
-        TestLs(runtime, "/MyRoot/Replication", false, NLs::PathExist); 
- 
-        TestDropReplication(runtime, ++txId, "/MyRoot", "Replication"); 
-        env.TestWaitNotification(runtime, txId); 
-        TestLs(runtime, "/MyRoot/Replication", false, NLs::PathNotExist); 
- 
-        TestCreateReplication(runtime, ++txId, "/MyRoot", R"( 
-            Name: "Replication" 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
-        TestLs(runtime, "/MyRoot/Replication", false, NLs::PathExist); 
-    } 
- 
-} // TReplicationTests 
+#include <ydb/core/tx/schemeshard/ut_helpers/helpers.h>
+
+using namespace NSchemeShardUT_Private;
+
+Y_UNIT_TEST_SUITE(TReplicationTests) {
+    void SetupLogging(TTestActorRuntimeBase& runtime) {
+        runtime.SetLogPriority(NKikimrServices::FLAT_TX_SCHEMESHARD, NActors::NLog::PRI_TRACE);
+        runtime.SetLogPriority(NKikimrServices::REPLICATION_CONTROLLER, NActors::NLog::PRI_TRACE);
+    }
+
+    Y_UNIT_TEST(Create) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime);
+        ui64 txId = 100;
+
+        SetupLogging(runtime);
+
+        TestCreateReplication(runtime, ++txId, "/MyRoot", R"(
+            Name: "Replication"
+        )");
+        env.TestWaitNotification(runtime, txId);
+        TestLs(runtime, "/MyRoot/Replication", false, NLs::PathExist);
+    }
+
+    Y_UNIT_TEST(CreateSequential) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime);
+        ui64 txId = 100;
+
+        SetupLogging(runtime);
+
+        for (int i = 0; i < 2; ++i) {
+            const auto name = Sprintf("Replication%d", i);
+
+            TestCreateReplication(runtime, ++txId, "/MyRoot", Sprintf(R"(
+                Name: "%s"
+            )", name.c_str()));
+            env.TestWaitNotification(runtime, txId);
+            TestLs(runtime, "/MyRoot/" + name, false, NLs::PathExist);
+        }
+    }
+
+    Y_UNIT_TEST(CreateInParallel) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime);
+        ui64 txId = 100;
+
+        SetupLogging(runtime);
+
+        for (int i = 0; i < 2; ++i) {
+            TVector<TString> names;
+            TVector<ui64> txIds;
+
+            for (int j = 0; j < 2; ++j) {
+                auto name = Sprintf("Replication%d-%d", i, j);
+
+                TestCreateReplication(runtime, ++txId, "/MyRoot", Sprintf(R"(
+                    Name: "%s"
+                )", name.c_str()));
+
+                names.push_back(std::move(name));
+                txIds.push_back(txId);
+            }
+
+            env.TestWaitNotification(runtime, txIds);
+            for (const auto& name : names) {
+                TestLs(runtime, "/MyRoot/" + name, false, NLs::PathExist);
+            }
+        }
+    }
+
+    Y_UNIT_TEST(CreateDropRecreate) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime);
+        ui64 txId = 100;
+
+        SetupLogging(runtime);
+
+        TestCreateReplication(runtime, ++txId, "/MyRoot", R"(
+            Name: "Replication"
+        )");
+        env.TestWaitNotification(runtime, txId);
+        TestLs(runtime, "/MyRoot/Replication", false, NLs::PathExist);
+
+        TestDropReplication(runtime, ++txId, "/MyRoot", "Replication");
+        env.TestWaitNotification(runtime, txId);
+        TestLs(runtime, "/MyRoot/Replication", false, NLs::PathNotExist);
+
+        TestCreateReplication(runtime, ++txId, "/MyRoot", R"(
+            Name: "Replication"
+        )");
+        env.TestWaitNotification(runtime, txId);
+        TestLs(runtime, "/MyRoot/Replication", false, NLs::PathExist);
+    }
+
+} // TReplicationTests
diff --git a/ydb/core/tx/schemeshard/ut_replication/ya.make b/ydb/core/tx/schemeshard/ut_replication/ya.make
index ebb41d1d7f..a9c36ad084 100644
--- a/ydb/core/tx/schemeshard/ut_replication/ya.make
+++ b/ydb/core/tx/schemeshard/ut_replication/ya.make
@@ -1,31 +1,31 @@
-UNITTEST_FOR(ydb/core/tx/schemeshard) 
- 
-OWNER( 
-    ilnaz 
-    g:kikimr 
-) 
- 
-FORK_SUBTESTS() 
- 
-SPLIT_FACTOR(2) 
- 
-IF (SANITIZER_TYPE OR WITH_VALGRIND) 
-    TIMEOUT(3600) 
-    SIZE(LARGE) 
-    TAG(ya:fat) 
-ELSE() 
-    TIMEOUT(600) 
-    SIZE(MEDIUM) 
-ENDIF() 
- 
-PEERDIR( 
-    ydb/core/tx/schemeshard/ut_helpers 
-) 
- 
-SRCS( 
-    ut_replication.cpp 
-) 
- 
-YQL_LAST_ABI_VERSION() 
- 
-END() 
+UNITTEST_FOR(ydb/core/tx/schemeshard)
+
+OWNER(
+    ilnaz
+    g:kikimr
+)
+
+FORK_SUBTESTS()
+
+SPLIT_FACTOR(2)
+
+IF (SANITIZER_TYPE OR WITH_VALGRIND)
+    TIMEOUT(3600)
+    SIZE(LARGE)
+    TAG(ya:fat)
+ELSE()
+    TIMEOUT(600)
+    SIZE(MEDIUM)
+ENDIF()
+
+PEERDIR(
+    ydb/core/tx/schemeshard/ut_helpers
+)
+
+SRCS(
+    ut_replication.cpp
+)
+
+YQL_LAST_ABI_VERSION()
+
+END()
diff --git a/ydb/core/tx/schemeshard/ut_replication_reboots.cpp b/ydb/core/tx/schemeshard/ut_replication_reboots.cpp
index ebb559a571..45d4e97640 100644
--- a/ydb/core/tx/schemeshard/ut_replication_reboots.cpp
+++ b/ydb/core/tx/schemeshard/ut_replication_reboots.cpp
@@ -1,129 +1,129 @@
-#include <ydb/core/tx/schemeshard/ut_helpers/helpers.h> 
- 
-using namespace NSchemeShardUT_Private; 
- 
-Y_UNIT_TEST_SUITE(TReplicationWithRebootsTests) { 
-    void SetupLogging(TTestActorRuntimeBase& runtime) { 
-        runtime.SetLogPriority(NKikimrServices::FLAT_TX_SCHEMESHARD, NActors::NLog::PRI_TRACE); 
-        runtime.SetLogPriority(NKikimrServices::REPLICATION_CONTROLLER, NActors::NLog::PRI_TRACE); 
-    } 
- 
-    Y_UNIT_TEST(Create) { 
-        TTestWithReboots t(false); 
-        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) { 
-            { 
-                TInactiveZone inactive(activeZone); 
-                SetupLogging(runtime); 
-            } 
- 
-            TestCreateReplication(runtime, ++t.TxId, "/MyRoot", R"( 
-                Name: "Replication" 
-            )"); 
-            t.TestEnv->TestWaitNotification(runtime, t.TxId); 
- 
-            TestLs(runtime, "/MyRoot/Replication", false, NLs::PathExist); 
-        }); 
-    } 
- 
-    void CreateMultipleReplications(bool withInitialController) { 
-        TTestWithReboots t(false); 
-        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) { 
-            { 
-                TInactiveZone inactive(activeZone); 
-                SetupLogging(runtime); 
- 
-                if (withInitialController) { 
-                    TestCreateReplication(runtime, ++t.TxId, "/MyRoot", R"( 
-                        Name: "Replication0" 
-                    )"); 
- 
-                    t.TestEnv->TestWaitNotification(runtime, t.TxId); 
-                    TestLs(runtime, "/MyRoot/Replication0", false, NLs::PathExist); 
-                } 
-            } 
- 
-            TVector<TString> names; 
-            TVector<ui64> txIds; 
- 
-            for (int i = 1; i <= 3; ++i) { 
-                auto name = Sprintf("Replication%d", i); 
-                auto request = CreateReplicationRequest(++t.TxId, "/MyRoot", Sprintf(R"( 
-                    Name: "%s" 
-                )", name.c_str())); 
- 
-                t.TestEnv->ReliablePropose(runtime, request, { 
-                    NKikimrScheme::StatusAccepted, 
-                    NKikimrScheme::StatusAlreadyExists, 
-                    NKikimrScheme::StatusMultipleModifications, 
-                }); 
- 
-                names.push_back(std::move(name)); 
-                txIds.push_back(t.TxId); 
-            } 
-            t.TestEnv->TestWaitNotification(runtime, txIds); 
- 
-            { 
-                TInactiveZone inactive(activeZone); 
- 
-                for (const auto& name : names) { 
-                    TestLs(runtime, "/MyRoot/" + name, false, NLs::PathExist); 
-                } 
-            } 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(CreateInParallelWithoutInitialController) { 
-        CreateMultipleReplications(false); 
-    } 
- 
-    Y_UNIT_TEST(CreateInParallelWithInitialController) { 
-        CreateMultipleReplications(true); 
-    } 
- 
-    Y_UNIT_TEST(CreateDropRecreate) { 
-        TTestWithReboots t(false); 
-        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) { 
-            { 
-                TInactiveZone inactive(activeZone); 
-                SetupLogging(runtime); 
-            } 
- 
-            { 
-                auto request = CreateReplicationRequest(++t.TxId, "/MyRoot", R"( 
-                    Name: "Replication" 
-                )"); 
-                t.TestEnv->ReliablePropose(runtime, request, { 
-                    NKikimrScheme::StatusAccepted, 
-                    NKikimrScheme::StatusAlreadyExists, 
-                    NKikimrScheme::StatusMultipleModifications, 
-                }); 
-            } 
-            t.TestEnv->TestWaitNotification(runtime, t.TxId); 
-            TestLs(runtime, "/MyRoot/Replication", false, NLs::PathExist); 
- 
-            { 
-                auto request = DropReplicationRequest(++t.TxId, "/MyRoot", "Replication"); 
-                t.TestEnv->ReliablePropose(runtime, request, { 
-                    NKikimrScheme::StatusAccepted, 
-                    NKikimrScheme::StatusMultipleModifications, 
-                }); 
-            } 
-            t.TestEnv->TestWaitNotification(runtime, t.TxId); 
-            TestLs(runtime, "/MyRoot/Replication", false, NLs::PathNotExist); 
- 
-            { 
-                auto request = CreateReplicationRequest(++t.TxId, "/MyRoot", R"( 
-                    Name: "Replication" 
-                )"); 
-                t.TestEnv->ReliablePropose(runtime, request, { 
-                    NKikimrScheme::StatusAccepted, 
-                    NKikimrScheme::StatusAlreadyExists, 
-                    NKikimrScheme::StatusMultipleModifications, 
-                }); 
-            } 
-            t.TestEnv->TestWaitNotification(runtime, t.TxId); 
-            TestLs(runtime, "/MyRoot/Replication", false, NLs::PathExist); 
-        }); 
-    } 
- 
-} // TReplicationWithRebootsTests 
+#include <ydb/core/tx/schemeshard/ut_helpers/helpers.h>
+
+using namespace NSchemeShardUT_Private;
+
+Y_UNIT_TEST_SUITE(TReplicationWithRebootsTests) {
+    void SetupLogging(TTestActorRuntimeBase& runtime) {
+        runtime.SetLogPriority(NKikimrServices::FLAT_TX_SCHEMESHARD, NActors::NLog::PRI_TRACE);
+        runtime.SetLogPriority(NKikimrServices::REPLICATION_CONTROLLER, NActors::NLog::PRI_TRACE);
+    }
+
+    Y_UNIT_TEST(Create) {
+        TTestWithReboots t(false);
+        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) {
+            {
+                TInactiveZone inactive(activeZone);
+                SetupLogging(runtime);
+            }
+
+            TestCreateReplication(runtime, ++t.TxId, "/MyRoot", R"(
+                Name: "Replication"
+            )");
+            t.TestEnv->TestWaitNotification(runtime, t.TxId);
+
+            TestLs(runtime, "/MyRoot/Replication", false, NLs::PathExist);
+        });
+    }
+
+    void CreateMultipleReplications(bool withInitialController) {
+        TTestWithReboots t(false);
+        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) {
+            {
+                TInactiveZone inactive(activeZone);
+                SetupLogging(runtime);
+
+                if (withInitialController) {
+                    TestCreateReplication(runtime, ++t.TxId, "/MyRoot", R"(
+                        Name: "Replication0"
+                    )");
+
+                    t.TestEnv->TestWaitNotification(runtime, t.TxId);
+                    TestLs(runtime, "/MyRoot/Replication0", false, NLs::PathExist);
+                }
+            }
+
+            TVector<TString> names;
+            TVector<ui64> txIds;
+
+            for (int i = 1; i <= 3; ++i) {
+                auto name = Sprintf("Replication%d", i);
+                auto request = CreateReplicationRequest(++t.TxId, "/MyRoot", Sprintf(R"(
+                    Name: "%s"
+                )", name.c_str()));
+
+                t.TestEnv->ReliablePropose(runtime, request, {
+                    NKikimrScheme::StatusAccepted,
+                    NKikimrScheme::StatusAlreadyExists,
+                    NKikimrScheme::StatusMultipleModifications,
+                });
+
+                names.push_back(std::move(name));
+                txIds.push_back(t.TxId);
+            }
+            t.TestEnv->TestWaitNotification(runtime, txIds);
+
+            {
+                TInactiveZone inactive(activeZone);
+
+                for (const auto& name : names) {
+                    TestLs(runtime, "/MyRoot/" + name, false, NLs::PathExist);
+                }
+            }
+        });
+    }
+
+    Y_UNIT_TEST(CreateInParallelWithoutInitialController) {
+        CreateMultipleReplications(false);
+    }
+
+    Y_UNIT_TEST(CreateInParallelWithInitialController) {
+        CreateMultipleReplications(true);
+    }
+
+    Y_UNIT_TEST(CreateDropRecreate) {
+        TTestWithReboots t(false);
+        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) {
+            {
+                TInactiveZone inactive(activeZone);
+                SetupLogging(runtime);
+            }
+
+            {
+                auto request = CreateReplicationRequest(++t.TxId, "/MyRoot", R"(
+                    Name: "Replication"
+                )");
+                t.TestEnv->ReliablePropose(runtime, request, {
+                    NKikimrScheme::StatusAccepted,
+                    NKikimrScheme::StatusAlreadyExists,
+                    NKikimrScheme::StatusMultipleModifications,
+                });
+            }
+            t.TestEnv->TestWaitNotification(runtime, t.TxId);
+            TestLs(runtime, "/MyRoot/Replication", false, NLs::PathExist);
+
+            {
+                auto request = DropReplicationRequest(++t.TxId, "/MyRoot", "Replication");
+                t.TestEnv->ReliablePropose(runtime, request, {
+                    NKikimrScheme::StatusAccepted,
+                    NKikimrScheme::StatusMultipleModifications,
+                });
+            }
+            t.TestEnv->TestWaitNotification(runtime, t.TxId);
+            TestLs(runtime, "/MyRoot/Replication", false, NLs::PathNotExist);
+
+            {
+                auto request = CreateReplicationRequest(++t.TxId, "/MyRoot", R"(
+                    Name: "Replication"
+                )");
+                t.TestEnv->ReliablePropose(runtime, request, {
+                    NKikimrScheme::StatusAccepted,
+                    NKikimrScheme::StatusAlreadyExists,
+                    NKikimrScheme::StatusMultipleModifications,
+                });
+            }
+            t.TestEnv->TestWaitNotification(runtime, t.TxId);
+            TestLs(runtime, "/MyRoot/Replication", false, NLs::PathExist);
+        });
+    }
+
+} // TReplicationWithRebootsTests
diff --git a/ydb/core/tx/schemeshard/ut_replication_reboots/ya.make b/ydb/core/tx/schemeshard/ut_replication_reboots/ya.make
index d46676b002..3f1e0b3431 100644
--- a/ydb/core/tx/schemeshard/ut_replication_reboots/ya.make
+++ b/ydb/core/tx/schemeshard/ut_replication_reboots/ya.make
@@ -1,31 +1,31 @@
-UNITTEST_FOR(ydb/core/tx/schemeshard) 
- 
-OWNER( 
-    ilnaz 
-    g:kikimr 
-) 
- 
-FORK_SUBTESTS() 
- 
-SPLIT_FACTOR(2) 
- 
-IF (SANITIZER_TYPE OR WITH_VALGRIND) 
-    TIMEOUT(3600) 
-    SIZE(LARGE) 
-    TAG(ya:fat) 
-ELSE() 
-    TIMEOUT(600) 
-    SIZE(MEDIUM) 
-ENDIF() 
- 
-PEERDIR( 
-    ydb/core/tx/schemeshard/ut_helpers 
-) 
- 
-SRCS( 
-    ut_replication_reboots.cpp 
-) 
- 
-YQL_LAST_ABI_VERSION() 
- 
-END() 
+UNITTEST_FOR(ydb/core/tx/schemeshard)
+
+OWNER(
+    ilnaz
+    g:kikimr
+)
+
+FORK_SUBTESTS()
+
+SPLIT_FACTOR(2)
+
+IF (SANITIZER_TYPE OR WITH_VALGRIND)
+    TIMEOUT(3600)
+    SIZE(LARGE)
+    TAG(ya:fat)
+ELSE()
+    TIMEOUT(600)
+    SIZE(MEDIUM)
+ENDIF()
+
+PEERDIR(
+    ydb/core/tx/schemeshard/ut_helpers
+)
+
+SRCS(
+    ut_replication_reboots.cpp
+)
+
+YQL_LAST_ABI_VERSION()
+
+END()
diff --git a/ydb/core/tx/schemeshard/ut_restore.cpp b/ydb/core/tx/schemeshard/ut_restore.cpp
index 6402ce0341..a8b33dcbdc 100644
--- a/ydb/core/tx/schemeshard/ut_restore.cpp
+++ b/ydb/core/tx/schemeshard/ut_restore.cpp
@@ -1,5 +1,5 @@
-#include <contrib/libs/double-conversion/ieee.h> 
- 
+#include <contrib/libs/double-conversion/ieee.h>
+
 #include <ydb/core/kqp/ut/common/kqp_ut_common.h>
 #include <ydb/core/tablet/resource_broker.h>
 #include <ydb/core/tx/schemeshard/ut_helpers/helpers.h>
@@ -9,1178 +9,1178 @@
 #include <ydb/core/wrappers/ut_helpers/s3_mock.h>
 #include <ydb/core/metering/metering.h>
 #include <ydb/core/ydb_convert/table_description.h>
-#include <library/cpp/string_utils/quote/quote.h> 
- 
-#include <util/datetime/base.h> 
-#include <util/generic/size_literals.h> 
-#include <util/generic/vector.h> 
-#include <util/string/builder.h> 
-#include <util/string/join.h> 
-#include <util/string/printf.h> 
- 
-using namespace NKikimr; 
-using namespace NSchemeShardUT_Private; 
+#include <library/cpp/string_utils/quote/quote.h>
+
+#include <util/datetime/base.h>
+#include <util/generic/size_literals.h>
+#include <util/generic/vector.h>
+#include <util/string/builder.h>
+#include <util/string/join.h>
+#include <util/string/printf.h>
+
+using namespace NKikimr;
+using namespace NSchemeShardUT_Private;
 using namespace NKikimr::NSchemeShard;
-using namespace NKikimr::NWrappers::NTestHelpers; 
- 
-namespace { 
- 
-    const TString EmptyYsonStr = R"([[[[];%false]]])"; 
- 
+using namespace NKikimr::NWrappers::NTestHelpers;
+
+namespace {
+
+    const TString EmptyYsonStr = R"([[[[];%false]]])";
+
     TString GenerateScheme(const NKikimrSchemeOp::TPathDescription& pathDesc) {
-        UNIT_ASSERT(pathDesc.HasTable()); 
-        const auto& tableDesc = pathDesc.GetTable(); 
- 
-        Ydb::Table::CreateTableRequest scheme; 
-        NKikimrMiniKQL::TType mkqlKeyType; 
- 
-        scheme.mutable_primary_key()->CopyFrom(tableDesc.GetKeyColumnNames()); 
-        FillColumnDescription(scheme, mkqlKeyType, tableDesc); 
-        FillIndexDescription(scheme, tableDesc); 
-        FillStorageSettings(scheme, tableDesc); 
-        FillColumnFamilies(scheme, tableDesc); 
-        FillAttributes(scheme, pathDesc); 
-        FillTableBoundary(scheme, tableDesc, mkqlKeyType); 
-        FillPartitioningSettings(scheme, tableDesc); 
-        FillKeyBloomFilter(scheme, tableDesc); 
-        FillReadReplicasSettings(scheme, tableDesc); 
- 
-        TString result; 
-        UNIT_ASSERT(google::protobuf::TextFormat::PrintToString(scheme, &result)); 
- 
-        return result; 
-    } 
- 
+        UNIT_ASSERT(pathDesc.HasTable());
+        const auto& tableDesc = pathDesc.GetTable();
+
+        Ydb::Table::CreateTableRequest scheme;
+        NKikimrMiniKQL::TType mkqlKeyType;
+
+        scheme.mutable_primary_key()->CopyFrom(tableDesc.GetKeyColumnNames());
+        FillColumnDescription(scheme, mkqlKeyType, tableDesc);
+        FillIndexDescription(scheme, tableDesc);
+        FillStorageSettings(scheme, tableDesc);
+        FillColumnFamilies(scheme, tableDesc);
+        FillAttributes(scheme, pathDesc);
+        FillTableBoundary(scheme, tableDesc, mkqlKeyType);
+        FillPartitioningSettings(scheme, tableDesc);
+        FillKeyBloomFilter(scheme, tableDesc);
+        FillReadReplicasSettings(scheme, tableDesc);
+
+        TString result;
+        UNIT_ASSERT(google::protobuf::TextFormat::PrintToString(scheme, &result));
+
+        return result;
+    }
+
     TString GenerateScheme(const NKikimrScheme::TEvDescribeSchemeResult& describeResult) {
-        UNIT_ASSERT(describeResult.HasPathDescription()); 
-        return GenerateScheme(describeResult.GetPathDescription()); 
-    } 
- 
+        UNIT_ASSERT(describeResult.HasPathDescription());
+        return GenerateScheme(describeResult.GetPathDescription());
+    }
+
     TString GenerateTableDescription(const NKikimrScheme::TEvDescribeSchemeResult& describeResult) {
-        UNIT_ASSERT(describeResult.HasPathDescription()); 
-        UNIT_ASSERT(describeResult.GetPathDescription().HasTable()); 
-        const auto& tableDesc = describeResult.GetPathDescription().GetTable(); 
- 
+        UNIT_ASSERT(describeResult.HasPathDescription());
+        UNIT_ASSERT(describeResult.GetPathDescription().HasTable());
+        const auto& tableDesc = describeResult.GetPathDescription().GetTable();
+
         NKikimrSchemeOp::TTableDescription scheme;
-        scheme.MutableColumns()->CopyFrom(tableDesc.GetColumns()); 
-        scheme.MutableKeyColumnNames()->CopyFrom(tableDesc.GetKeyColumnNames()); 
- 
-        TString schemeStr; 
-        UNIT_ASSERT(google::protobuf::TextFormat::PrintToString(scheme, &schemeStr)); 
- 
-        return schemeStr; 
-    } 
- 
-    struct TTestData { 
-        TString Csv; 
-        TString YsonStr; 
- 
-        TTestData(TString csv, TString ysonStr) 
-            : Csv(std::move(csv)) 
-            , YsonStr(std::move(ysonStr)) 
-        { 
-        } 
-    }; 
- 
-    struct TTestDataWithScheme { 
-        TString Scheme; 
-        TVector<TTestData> Data; 
- 
-        TTestDataWithScheme() = default; 
- 
-        TTestDataWithScheme(TString&& scheme, TVector<TTestData>&& data) 
-            : Scheme(std::move(scheme)) 
-            , Data(std::move(data)) 
-        { 
-        } 
-    }; 
- 
-    TTestData GenerateTestData(const TString& keyPrefix, ui32 count) { 
-        TStringBuilder csv; 
-        TStringBuilder yson; 
- 
-        for (ui32 i = 1; i <= count; ++i) { 
-            // csv 
-            if (keyPrefix) { 
-                csv << "\"" << keyPrefix << i << "\","; 
-            } else { 
-                csv << i << ","; 
-            } 
- 
-            csv << "\"" << "value" << i << "\"" << Endl; 
- 
-            // yson 
-            if (i == 1) { 
-                yson << "[[[["; 
-            } else { 
-                yson << ";"; 
-            } 
- 
-            yson << "[" 
-                << "[\"" << keyPrefix << i << "\"];" 
-                << "[\"" << "value" << i << "\"]" 
-            << "]"; 
- 
-            if (i == count) { 
-                yson << "];\%false]]]"; 
-            } 
-        } 
- 
-        return TTestData(std::move(csv), std::move(yson)); 
-    } 
- 
-    TTestDataWithScheme GenerateTestData(const TString& scheme, const TVector<std::pair<TString, ui64>>& shardsConfig) { 
-        TTestDataWithScheme result; 
-        result.Scheme = scheme; 
- 
-        for (const auto& [keyPrefix, count] : shardsConfig) { 
-            result.Data.push_back(GenerateTestData(keyPrefix, count)); 
-        } 
- 
-        return result; 
-    } 
- 
-    THashMap<TString, TString> ConvertTestData(const THashMap<TString, TTestDataWithScheme>& data) { 
-        THashMap<TString, TString> result; 
- 
-        for (const auto& [prefix, item] : data) { 
-            result.emplace(prefix + "/scheme.pb", item.Scheme); 
-            for (ui32 i = 0; i < item.Data.size(); ++i) { 
-                result.emplace(Sprintf("%s/data_%02d.csv", prefix.data(), i), item.Data.at(i).Csv); 
-            } 
-        } 
- 
-        return result; 
-    } 
- 
-    THashMap<TString, TString> ConvertTestData(const TTestDataWithScheme& data) { 
-        return ConvertTestData({{"", data}}); 
-    } 
- 
-    NKikimrMiniKQL::TResult ReadTableImpl(TTestActorRuntime& runtime, ui64 tabletId, const TString& query) { 
-        NKikimrMiniKQL::TResult result; 
- 
-        TString error; 
+        scheme.MutableColumns()->CopyFrom(tableDesc.GetColumns());
+        scheme.MutableKeyColumnNames()->CopyFrom(tableDesc.GetKeyColumnNames());
+
+        TString schemeStr;
+        UNIT_ASSERT(google::protobuf::TextFormat::PrintToString(scheme, &schemeStr));
+
+        return schemeStr;
+    }
+
+    struct TTestData {
+        TString Csv;
+        TString YsonStr;
+
+        TTestData(TString csv, TString ysonStr)
+            : Csv(std::move(csv))
+            , YsonStr(std::move(ysonStr))
+        {
+        }
+    };
+
+    struct TTestDataWithScheme {
+        TString Scheme;
+        TVector<TTestData> Data;
+
+        TTestDataWithScheme() = default;
+
+        TTestDataWithScheme(TString&& scheme, TVector<TTestData>&& data)
+            : Scheme(std::move(scheme))
+            , Data(std::move(data))
+        {
+        }
+    };
+
+    TTestData GenerateTestData(const TString& keyPrefix, ui32 count) {
+        TStringBuilder csv;
+        TStringBuilder yson;
+
+        for (ui32 i = 1; i <= count; ++i) {
+            // csv
+            if (keyPrefix) {
+                csv << "\"" << keyPrefix << i << "\",";
+            } else {
+                csv << i << ",";
+            }
+
+            csv << "\"" << "value" << i << "\"" << Endl;
+
+            // yson
+            if (i == 1) {
+                yson << "[[[[";
+            } else {
+                yson << ";";
+            }
+
+            yson << "["
+                << "[\"" << keyPrefix << i << "\"];"
+                << "[\"" << "value" << i << "\"]"
+            << "]";
+
+            if (i == count) {
+                yson << "];\%false]]]";
+            }
+        }
+
+        return TTestData(std::move(csv), std::move(yson));
+    }
+
+    TTestDataWithScheme GenerateTestData(const TString& scheme, const TVector<std::pair<TString, ui64>>& shardsConfig) {
+        TTestDataWithScheme result;
+        result.Scheme = scheme;
+
+        for (const auto& [keyPrefix, count] : shardsConfig) {
+            result.Data.push_back(GenerateTestData(keyPrefix, count));
+        }
+
+        return result;
+    }
+
+    THashMap<TString, TString> ConvertTestData(const THashMap<TString, TTestDataWithScheme>& data) {
+        THashMap<TString, TString> result;
+
+        for (const auto& [prefix, item] : data) {
+            result.emplace(prefix + "/scheme.pb", item.Scheme);
+            for (ui32 i = 0; i < item.Data.size(); ++i) {
+                result.emplace(Sprintf("%s/data_%02d.csv", prefix.data(), i), item.Data.at(i).Csv);
+            }
+        }
+
+        return result;
+    }
+
+    THashMap<TString, TString> ConvertTestData(const TTestDataWithScheme& data) {
+        return ConvertTestData({{"", data}});
+    }
+
+    NKikimrMiniKQL::TResult ReadTableImpl(TTestActorRuntime& runtime, ui64 tabletId, const TString& query) {
+        NKikimrMiniKQL::TResult result;
+
+        TString error;
         NKikimrProto::EReplyStatus status = LocalMiniKQL(runtime, tabletId, query, result, error);
         UNIT_ASSERT_VALUES_EQUAL_C(status, NKikimrProto::EReplyStatus::OK, error);
-        UNIT_ASSERT_VALUES_EQUAL(error, ""); 
- 
-        return result; 
-    } 
- 
-    struct TReadKeyDesc { 
-        TString Name; 
-        TString Type; 
-        TString Atom; 
-    }; 
- 
-    NKikimrMiniKQL::TResult ReadTable(TTestActorRuntime& runtime, ui64 tabletId, 
-            const TString& table = "Table", 
-            const TReadKeyDesc& keyDesc = {"key", "Utf8", "\"\""}, 
-            const TVector<TString>& columns = {"key", "value"}) { 
- 
-        const auto rangeFmt = Sprintf("'%s (%s '%s)", keyDesc.Name.data(), keyDesc.Type.data(), keyDesc.Atom.data()); 
-        const auto columnsFmt = "'" + JoinSeq(" '", columns); 
- 
-        return ReadTableImpl(runtime, tabletId, Sprintf(R"( 
-            ( 
-                (let range '( '(%s (Void) ))) 
-                (let columns '(%s) ) 
-                (let result (SelectRange '__user__%s range columns '())) 
-                (return (AsList (SetResult 'Result result) )) 
-            ) 
-        )", rangeFmt.data(), columnsFmt.data(), table.data())); 
-    } 
- 
-    using TDelayFunc = std::function<bool(TAutoPtr<IEventHandle>&)>; 
- 
-    auto SetDelayObserver(TTestActorRuntime& runtime, THolder<IEventHandle>& delayed, TDelayFunc delayFunc) { 
-        return runtime.SetObserverFunc([&](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) { 
-            if (delayFunc(ev)) { 
-                delayed.Reset(ev.Release()); 
-                return TTestActorRuntime::EEventAction::DROP; 
-            } 
-            return TTestActorRuntime::EEventAction::PROCESS; 
-        }); 
-    } 
- 
-    void WaitForDelayed(TTestActorRuntime& runtime, THolder<IEventHandle>& delayed, TTestActorRuntime::TEventObserver prevObserver) { 
-        if (!delayed) { 
-            TDispatchOptions opts; 
-            opts.FinalEvents.emplace_back([&delayed](IEventHandle&) -> bool { 
-                return bool(delayed); 
-            }); 
-            runtime.DispatchEvents(opts); 
-        } 
- 
-        runtime.SetObserverFunc(prevObserver); 
-    } 
- 
- 
-} // anonymous 
- 
-Y_UNIT_TEST_SUITE(TRestoreTests) { 
-    void RestoreNoWait(TTestBasicRuntime& runtime, ui64& txId, 
-            ui16 port, THolder<TS3Mock>& s3Mock, TVector<TTestData>&& data, ui32 readBatchSize = 128) { 
- 
-        const auto desc = DescribePath(runtime, "/MyRoot/Table", true, true); 
+        UNIT_ASSERT_VALUES_EQUAL(error, "");
+
+        return result;
+    }
+
+    struct TReadKeyDesc {
+        TString Name;
+        TString Type;
+        TString Atom;
+    };
+
+    NKikimrMiniKQL::TResult ReadTable(TTestActorRuntime& runtime, ui64 tabletId,
+            const TString& table = "Table",
+            const TReadKeyDesc& keyDesc = {"key", "Utf8", "\"\""},
+            const TVector<TString>& columns = {"key", "value"}) {
+
+        const auto rangeFmt = Sprintf("'%s (%s '%s)", keyDesc.Name.data(), keyDesc.Type.data(), keyDesc.Atom.data());
+        const auto columnsFmt = "'" + JoinSeq(" '", columns);
+
+        return ReadTableImpl(runtime, tabletId, Sprintf(R"(
+            (
+                (let range '( '(%s (Void) )))
+                (let columns '(%s) )
+                (let result (SelectRange '__user__%s range columns '()))
+                (return (AsList (SetResult 'Result result) ))
+            )
+        )", rangeFmt.data(), columnsFmt.data(), table.data()));
+    }
+
+    using TDelayFunc = std::function<bool(TAutoPtr<IEventHandle>&)>;
+
+    auto SetDelayObserver(TTestActorRuntime& runtime, THolder<IEventHandle>& delayed, TDelayFunc delayFunc) {
+        return runtime.SetObserverFunc([&](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) {
+            if (delayFunc(ev)) {
+                delayed.Reset(ev.Release());
+                return TTestActorRuntime::EEventAction::DROP;
+            }
+            return TTestActorRuntime::EEventAction::PROCESS;
+        });
+    }
+
+    void WaitForDelayed(TTestActorRuntime& runtime, THolder<IEventHandle>& delayed, TTestActorRuntime::TEventObserver prevObserver) {
+        if (!delayed) {
+            TDispatchOptions opts;
+            opts.FinalEvents.emplace_back([&delayed](IEventHandle&) -> bool {
+                return bool(delayed);
+            });
+            runtime.DispatchEvents(opts);
+        }
+
+        runtime.SetObserverFunc(prevObserver);
+    }
+
+
+} // anonymous
+
+Y_UNIT_TEST_SUITE(TRestoreTests) {
+    void RestoreNoWait(TTestBasicRuntime& runtime, ui64& txId,
+            ui16 port, THolder<TS3Mock>& s3Mock, TVector<TTestData>&& data, ui32 readBatchSize = 128) {
+
+        const auto desc = DescribePath(runtime, "/MyRoot/Table", true, true);
         UNIT_ASSERT_VALUES_EQUAL(desc.GetStatus(), NKikimrScheme::StatusSuccess);
- 
-        s3Mock.Reset(new TS3Mock(ConvertTestData({GenerateScheme(desc), std::move(data)}), TS3Mock::TSettings(port))); 
-        UNIT_ASSERT(s3Mock->Start()); 
- 
-        runtime.SetLogPriority(NKikimrServices::DATASHARD_RESTORE, NActors::NLog::PRI_TRACE); 
- 
-        TestRestore(runtime, ++txId, "/MyRoot", Sprintf(R"( 
-            TableName: "Table" 
-            TableDescription { 
-                %s 
-            } 
-            S3Settings { 
-                Endpoint: "localhost:%d" 
-                Scheme: HTTP 
-                Limits { 
-                    ReadBatchSize: %d 
-                } 
-            } 
-        )", GenerateTableDescription(desc).data(), port, readBatchSize)); 
-    } 
- 
-    void Restore(TTestBasicRuntime& runtime, TTestEnv& env, const TString& creationScheme, TVector<TTestData>&& data, ui32 readBatchSize = 128) { 
-        ui64 txId = 100; 
- 
-        TestCreateTable(runtime, ++txId, "/MyRoot", creationScheme); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        TPortManager portManager; 
-        THolder<TS3Mock> s3Mock; 
- 
-        RestoreNoWait(runtime, txId, portManager.GetPort(), s3Mock, std::move(data), readBatchSize); 
-        env.TestWaitNotification(runtime, txId); 
-    } 
- 
-    void Restore(TTestBasicRuntime& runtime, const TString& creationScheme, TVector<TTestData>&& data, ui32 readBatchSize = 128) { 
-        TTestEnv env(runtime); 
-        Restore(runtime, env, creationScheme, std::move(data), readBatchSize); 
-    } 
- 
-    Y_UNIT_TEST(ShouldSucceedOnSingleShardTable) { 
-        TTestBasicRuntime runtime; 
- 
-        const auto data = GenerateTestData("a", 1); 
- 
-        Restore(runtime, R"( 
-            Name: "Table" 
-            Columns { Name: "key" Type: "Utf8" } 
-            Columns { Name: "value" Type: "Utf8" } 
-            KeyColumnNames: ["key"] 
-        )", {data}); 
- 
+
+        s3Mock.Reset(new TS3Mock(ConvertTestData({GenerateScheme(desc), std::move(data)}), TS3Mock::TSettings(port)));
+        UNIT_ASSERT(s3Mock->Start());
+
+        runtime.SetLogPriority(NKikimrServices::DATASHARD_RESTORE, NActors::NLog::PRI_TRACE);
+
+        TestRestore(runtime, ++txId, "/MyRoot", Sprintf(R"(
+            TableName: "Table"
+            TableDescription {
+                %s
+            }
+            S3Settings {
+                Endpoint: "localhost:%d"
+                Scheme: HTTP
+                Limits {
+                    ReadBatchSize: %d
+                }
+            }
+        )", GenerateTableDescription(desc).data(), port, readBatchSize));
+    }
+
+    void Restore(TTestBasicRuntime& runtime, TTestEnv& env, const TString& creationScheme, TVector<TTestData>&& data, ui32 readBatchSize = 128) {
+        ui64 txId = 100;
+
+        TestCreateTable(runtime, ++txId, "/MyRoot", creationScheme);
+        env.TestWaitNotification(runtime, txId);
+
+        TPortManager portManager;
+        THolder<TS3Mock> s3Mock;
+
+        RestoreNoWait(runtime, txId, portManager.GetPort(), s3Mock, std::move(data), readBatchSize);
+        env.TestWaitNotification(runtime, txId);
+    }
+
+    void Restore(TTestBasicRuntime& runtime, const TString& creationScheme, TVector<TTestData>&& data, ui32 readBatchSize = 128) {
+        TTestEnv env(runtime);
+        Restore(runtime, env, creationScheme, std::move(data), readBatchSize);
+    }
+
+    Y_UNIT_TEST(ShouldSucceedOnSingleShardTable) {
+        TTestBasicRuntime runtime;
+
+        const auto data = GenerateTestData("a", 1);
+
+        Restore(runtime, R"(
+            Name: "Table"
+            Columns { Name: "key" Type: "Utf8" }
+            Columns { Name: "value" Type: "Utf8" }
+            KeyColumnNames: ["key"]
+        )", {data});
+
         auto content = ReadTable(runtime, TTestTxConfig::FakeHiveTablets);
         NKqp::CompareYson(data.YsonStr, content);
-    } 
- 
-    Y_UNIT_TEST(ShouldSucceedOnMultiShardTable) { 
-        TTestBasicRuntime runtime; 
- 
-        const auto a = GenerateTestData("a", 1); 
-        const auto b = GenerateTestData("b", 1); 
- 
-        Restore(runtime, R"( 
-            Name: "Table" 
-            Columns { Name: "key" Type: "Utf8" } 
-            Columns { Name: "value" Type: "Utf8" } 
-            KeyColumnNames: ["key"] 
-            SplitBoundary { 
-              KeyPrefix { 
-                Tuple { Optional { Text: "b" } } 
-              } 
-            } 
-        )", {a, b}); 
- 
-        { 
+    }
+
+    Y_UNIT_TEST(ShouldSucceedOnMultiShardTable) {
+        TTestBasicRuntime runtime;
+
+        const auto a = GenerateTestData("a", 1);
+        const auto b = GenerateTestData("b", 1);
+
+        Restore(runtime, R"(
+            Name: "Table"
+            Columns { Name: "key" Type: "Utf8" }
+            Columns { Name: "value" Type: "Utf8" }
+            KeyColumnNames: ["key"]
+            SplitBoundary {
+              KeyPrefix {
+                Tuple { Optional { Text: "b" } }
+              }
+            }
+        )", {a, b});
+
+        {
             auto content = ReadTable(runtime, TTestTxConfig::FakeHiveTablets + 0);
             NKqp::CompareYson(a.YsonStr, content);
-        } 
-        { 
+        }
+        {
             auto content = ReadTable(runtime, TTestTxConfig::FakeHiveTablets + 1);
             NKqp::CompareYson(b.YsonStr, content);
-        } 
-    } 
- 
-    Y_UNIT_TEST(ShouldSucceedOnLargeData) { 
-        TTestBasicRuntime runtime; 
- 
-        const auto data = GenerateTestData("", 100); 
-        UNIT_ASSERT(data.Csv.size() > 128); 
- 
-        Restore(runtime, R"( 
-            Name: "Table" 
-            Columns { Name: "key" Type: "Uint32" } 
-            Columns { Name: "value" Type: "Utf8" } 
-            KeyColumnNames: ["key"] 
-        )", {data}); 
- 
+        }
+    }
+
+    Y_UNIT_TEST(ShouldSucceedOnLargeData) {
+        TTestBasicRuntime runtime;
+
+        const auto data = GenerateTestData("", 100);
+        UNIT_ASSERT(data.Csv.size() > 128);
+
+        Restore(runtime, R"(
+            Name: "Table"
+            Columns { Name: "key" Type: "Uint32" }
+            Columns { Name: "value" Type: "Utf8" }
+            KeyColumnNames: ["key"]
+        )", {data});
+
         auto content = ReadTable(runtime, TTestTxConfig::FakeHiveTablets, "Table", {"key", "Uint32", "0"});
         NKqp::CompareYson(data.YsonStr, content);
-    } 
- 
-    Y_UNIT_TEST(ShouldSucceedOnSupportedDatatypes) { 
-        TTestBasicRuntime runtime; 
- 
-        TString csv = TStringBuilder() 
-            << "1," // key 
-            << "-100500," // int32 
-            << "100500," // uint32 
-            << "-200500," // int64 
-            << "200500," // uint64 
-            << "255," // uint8 
-            << "1," // bool 
-            << "1.1234," // double 
-            << "-1.123," // float 
-            << "2020-08-12T00:00:00.000000Z," // date 
-            << "2020-08-12T12:34:56.000000Z," // datetime 
-            << "2020-08-12T12:34:56.123456Z," // timestamp 
-            << "-300500," // interval 
-            << "3.321," // decimal 
-            << ".3321e1," // dynumber 
-            << "\"" << CGIEscapeRet("lorem ipsum") << "\"," // string 
-            << "\"" << CGIEscapeRet("lorem ipsum dolor sit amet") << "\"," // utf8 
-            << "\"" << CGIEscapeRet(R"({"key": "value"})") << "\"," // json 
-            << "\"" << CGIEscapeRet(R"({"key": "value"})") << "\"" // jsondoc 
-        << Endl; 
- 
-        TString yson = TStringBuilder() << "[[[[[" 
-            << "[%true];" // bool 
-            << "[\"" << TInstant::ParseIso8601("2020-08-12T00:00:00.000000Z").Days() << "\"];" // date 
-            << "[\"" << TInstant::ParseIso8601("2020-08-12T12:34:56.000000Z").Seconds() << "\"];" // datetime 
-            << "[\"" << "3.321" << "\"];" // decimal 
-            << "[\"" << 1.1234 << "\"];" // double 
-            << "[\"" << ".3321e1" << "\"];" // dynumber 
-            << "[\"" << -1.123f << "\"];" // float 
-            << "[\"" << -100500 << "\"];" // int32 
-            << "[\"" << -200500 << "\"];" // int64 
-            << "[\"" << -300500 << "\"];" // interval 
-            << "[\"" << "{\\\"key\\\": \\\"value\\\"}" << "\"];" // json 
-            << "[\"" << "{\\\"key\\\":\\\"value\\\"}" << "\"];" // jsondoc 
-            << "[\"" << 1 << "\"];" // key 
-            << "[\"" << "lorem ipsum" << "\"];" // string 
-            << "[\"" << TInstant::ParseIso8601("2020-08-12T12:34:56.123456Z").MicroSeconds() << "\"];" // timestamp 
-            << "[\"" << 100500 << "\"];" // uint32 
-            << "[\"" << 200500 << "\"];" // uint64 
-            << "[\"" << 255 << "\"];" // uint8 
-            << "[\"" << "lorem ipsum dolor sit amet" << "\"]" // utf8 
-        << "]];\%false]]]"; 
- 
-        const auto data = TTestData(std::move(csv), std::move(yson)); 
- 
-        Restore(runtime, R"( 
-            Name: "Table" 
-            Columns { Name: "key" Type: "Uint64" } 
-            Columns { Name: "int32_value" Type: "Int32" } 
-            Columns { Name: "uint32_value" Type: "Uint32" } 
-            Columns { Name: "int64_value" Type: "Int64" } 
-            Columns { Name: "uint64_value" Type: "Uint64" } 
-            Columns { Name: "uint8_value" Type: "Uint8" } 
-            Columns { Name: "bool_value" Type: "Bool" } 
-            Columns { Name: "double_value" Type: "Double" } 
-            Columns { Name: "float_value" Type: "Float" } 
-            Columns { Name: "date_value" Type: "Date" } 
-            Columns { Name: "datetime_value" Type: "Datetime" } 
-            Columns { Name: "timestamp_value" Type: "Timestamp" } 
-            Columns { Name: "interval_value" Type: "Interval" } 
-            Columns { Name: "decimal_value" Type: "Decimal" } 
-            Columns { Name: "dynumber_value" Type: "DyNumber" } 
-            Columns { Name: "string_value" Type: "String" } 
-            Columns { Name: "utf8_value" Type: "Utf8" } 
-            Columns { Name: "json_value" Type: "Json" } 
-            Columns { Name: "jsondoc_value" Type: "JsonDocument" } 
-            KeyColumnNames: ["key"] 
-        )", {data}, data.Csv.size() + 1); 
- 
+    }
+
+    Y_UNIT_TEST(ShouldSucceedOnSupportedDatatypes) {
+        TTestBasicRuntime runtime;
+
+        TString csv = TStringBuilder()
+            << "1," // key
+            << "-100500," // int32
+            << "100500," // uint32
+            << "-200500," // int64
+            << "200500," // uint64
+            << "255," // uint8
+            << "1," // bool
+            << "1.1234," // double
+            << "-1.123," // float
+            << "2020-08-12T00:00:00.000000Z," // date
+            << "2020-08-12T12:34:56.000000Z," // datetime
+            << "2020-08-12T12:34:56.123456Z," // timestamp
+            << "-300500," // interval
+            << "3.321," // decimal
+            << ".3321e1," // dynumber
+            << "\"" << CGIEscapeRet("lorem ipsum") << "\"," // string
+            << "\"" << CGIEscapeRet("lorem ipsum dolor sit amet") << "\"," // utf8
+            << "\"" << CGIEscapeRet(R"({"key": "value"})") << "\"," // json
+            << "\"" << CGIEscapeRet(R"({"key": "value"})") << "\"" // jsondoc
+        << Endl;
+
+        TString yson = TStringBuilder() << "[[[[["
+            << "[%true];" // bool
+            << "[\"" << TInstant::ParseIso8601("2020-08-12T00:00:00.000000Z").Days() << "\"];" // date
+            << "[\"" << TInstant::ParseIso8601("2020-08-12T12:34:56.000000Z").Seconds() << "\"];" // datetime
+            << "[\"" << "3.321" << "\"];" // decimal
+            << "[\"" << 1.1234 << "\"];" // double
+            << "[\"" << ".3321e1" << "\"];" // dynumber
+            << "[\"" << -1.123f << "\"];" // float
+            << "[\"" << -100500 << "\"];" // int32
+            << "[\"" << -200500 << "\"];" // int64
+            << "[\"" << -300500 << "\"];" // interval
+            << "[\"" << "{\\\"key\\\": \\\"value\\\"}" << "\"];" // json
+            << "[\"" << "{\\\"key\\\":\\\"value\\\"}" << "\"];" // jsondoc
+            << "[\"" << 1 << "\"];" // key
+            << "[\"" << "lorem ipsum" << "\"];" // string
+            << "[\"" << TInstant::ParseIso8601("2020-08-12T12:34:56.123456Z").MicroSeconds() << "\"];" // timestamp
+            << "[\"" << 100500 << "\"];" // uint32
+            << "[\"" << 200500 << "\"];" // uint64
+            << "[\"" << 255 << "\"];" // uint8
+            << "[\"" << "lorem ipsum dolor sit amet" << "\"]" // utf8
+        << "]];\%false]]]";
+
+        const auto data = TTestData(std::move(csv), std::move(yson));
+
+        Restore(runtime, R"(
+            Name: "Table"
+            Columns { Name: "key" Type: "Uint64" }
+            Columns { Name: "int32_value" Type: "Int32" }
+            Columns { Name: "uint32_value" Type: "Uint32" }
+            Columns { Name: "int64_value" Type: "Int64" }
+            Columns { Name: "uint64_value" Type: "Uint64" }
+            Columns { Name: "uint8_value" Type: "Uint8" }
+            Columns { Name: "bool_value" Type: "Bool" }
+            Columns { Name: "double_value" Type: "Double" }
+            Columns { Name: "float_value" Type: "Float" }
+            Columns { Name: "date_value" Type: "Date" }
+            Columns { Name: "datetime_value" Type: "Datetime" }
+            Columns { Name: "timestamp_value" Type: "Timestamp" }
+            Columns { Name: "interval_value" Type: "Interval" }
+            Columns { Name: "decimal_value" Type: "Decimal" }
+            Columns { Name: "dynumber_value" Type: "DyNumber" }
+            Columns { Name: "string_value" Type: "String" }
+            Columns { Name: "utf8_value" Type: "Utf8" }
+            Columns { Name: "json_value" Type: "Json" }
+            Columns { Name: "jsondoc_value" Type: "JsonDocument" }
+            KeyColumnNames: ["key"]
+        )", {data}, data.Csv.size() + 1);
+
         auto content = ReadTable(runtime, TTestTxConfig::FakeHiveTablets, "Table", {"key", "Uint64", "0"}, {
-            "key", 
-            "int32_value", 
-            "uint32_value", 
-            "int64_value", 
-            "uint64_value", 
-            "uint8_value", 
-            "bool_value", 
-            "double_value", 
-            "float_value", 
-            "date_value", 
-            "datetime_value", 
-            "timestamp_value", 
-            "interval_value", 
-            "decimal_value", 
-            "dynumber_value", 
-            "string_value", 
-            "utf8_value", 
-            "json_value", 
-            "jsondoc_value", 
-        }); 
+            "key",
+            "int32_value",
+            "uint32_value",
+            "int64_value",
+            "uint64_value",
+            "uint8_value",
+            "bool_value",
+            "double_value",
+            "float_value",
+            "date_value",
+            "datetime_value",
+            "timestamp_value",
+            "interval_value",
+            "decimal_value",
+            "dynumber_value",
+            "string_value",
+            "utf8_value",
+            "json_value",
+            "jsondoc_value",
+        });
         NKqp::CompareYson(data.YsonStr, content);
-    } 
- 
-    Y_UNIT_TEST(ShouldRestoreSpecialFpValues) { 
-        TPortManager portManager; 
-        const ui16 port = portManager.GetPort(); 
- 
-        TS3Mock s3Mock({}, TS3Mock::TSettings(port)); 
-        UNIT_ASSERT(s3Mock.Start()); 
- 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime); 
-        ui64 txId = 100; 
- 
-        runtime.SetLogPriority(NKikimrServices::DATASHARD_BACKUP, NActors::NLog::PRI_TRACE); 
-        runtime.SetLogPriority(NKikimrServices::DATASHARD_RESTORE, NActors::NLog::PRI_TRACE); 
-        runtime.SetLogPriority(NKikimrServices::EXPORT, NActors::NLog::PRI_TRACE); 
-        runtime.SetLogPriority(NKikimrServices::IMPORT, NActors::NLog::PRI_TRACE); 
- 
-        TestCreateTable(runtime, ++txId, "/MyRoot", R"( 
-            Name: "Original" 
-            Columns { Name: "key" Type: "Uint32" } 
-            Columns { Name: "double_value" Type: "Double" } 
-            Columns { Name: "float_value" Type: "Float" } 
-            KeyColumnNames: ["key"] 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        auto writeRow = [&](ui64 key, double doubleValue, float floatValue) { 
-            NKikimrMiniKQL::TResult result; 
-            TString error; 
+    }
+
+    Y_UNIT_TEST(ShouldRestoreSpecialFpValues) {
+        TPortManager portManager;
+        const ui16 port = portManager.GetPort();
+
+        TS3Mock s3Mock({}, TS3Mock::TSettings(port));
+        UNIT_ASSERT(s3Mock.Start());
+
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime);
+        ui64 txId = 100;
+
+        runtime.SetLogPriority(NKikimrServices::DATASHARD_BACKUP, NActors::NLog::PRI_TRACE);
+        runtime.SetLogPriority(NKikimrServices::DATASHARD_RESTORE, NActors::NLog::PRI_TRACE);
+        runtime.SetLogPriority(NKikimrServices::EXPORT, NActors::NLog::PRI_TRACE);
+        runtime.SetLogPriority(NKikimrServices::IMPORT, NActors::NLog::PRI_TRACE);
+
+        TestCreateTable(runtime, ++txId, "/MyRoot", R"(
+            Name: "Original"
+            Columns { Name: "key" Type: "Uint32" }
+            Columns { Name: "double_value" Type: "Double" }
+            Columns { Name: "float_value" Type: "Float" }
+            KeyColumnNames: ["key"]
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        auto writeRow = [&](ui64 key, double doubleValue, float floatValue) {
+            NKikimrMiniKQL::TResult result;
+            TString error;
             NKikimrProto::EReplyStatus status = LocalMiniKQL(runtime, TTestTxConfig::FakeHiveTablets, Sprintf(R"(
-                ( 
-                    (let key '( '('key (Uint32 '%lu) ) ) ) 
-                    (let row '( '('double_value (Double '%lf ) ) '('float_value (Float '%f) ) ) ) 
-                    (return (AsList (UpdateRow '__user__Original key row) )) 
-                ) 
-            )", key, doubleValue, floatValue), result, error); 
- 
-            UNIT_ASSERT_VALUES_EQUAL_C(status, NKikimrProto::EReplyStatus::OK, error); 
-            UNIT_ASSERT_VALUES_EQUAL(error, ""); 
-        }; 
- 
-        using double_conversion::Double; 
- 
-        writeRow(1, Double::NaN(), static_cast<float>(Double::NaN())); 
-        writeRow(2, -Double::NaN(), static_cast<float>(-Double::NaN())); 
-        writeRow(3, Double::Infinity(), static_cast<float>(Double::Infinity())); 
-        writeRow(4, -Double::Infinity(), static_cast<float>(-Double::Infinity())); 
- 
-        TestExport(runtime, ++txId, "/MyRoot", Sprintf(R"( 
-            ExportToS3Settings { 
-              endpoint: "localhost:%d" 
-              scheme: HTTP 
-              items { 
-                source_path: "/MyRoot/Original" 
-                destination_prefix: "" 
-              } 
-            } 
-        )", port)); 
-        env.TestWaitNotification(runtime, txId); 
-        TestGetExport(runtime, txId, "/MyRoot"); 
- 
-        TestImport(runtime, ++txId, "/MyRoot", Sprintf(R"( 
-            ImportFromS3Settings { 
-              endpoint: "localhost:%d" 
-              scheme: HTTP 
-              items { 
-                source_prefix: "" 
-                destination_path: "/MyRoot/Restored" 
-              } 
-            } 
-        )", port)); 
-        env.TestWaitNotification(runtime, txId); 
-        TestGetImport(runtime, txId, "/MyRoot"); 
-    } 
- 
-    Y_UNIT_TEST(ShouldCountWrittenBytesAndRows) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime); 
- 
-        const auto data = GenerateTestData("a", 2); 
- 
-        TMaybe<NKikimrTxDataShard::TShardOpResult> result; 
-        runtime.SetObserverFunc([&result](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) { 
-            if (ev->GetTypeRewrite() != TEvDataShard::EvSchemaChanged) { 
-                return TTestActorRuntime::EEventAction::PROCESS; 
-            } 
- 
-            const auto& record = ev->Get<TEvDataShard::TEvSchemaChanged>()->Record; 
-            if (!record.HasOpResult()) { 
-                return TTestActorRuntime::EEventAction::PROCESS; 
-            } 
- 
-            result = record.GetOpResult(); 
-            return TTestActorRuntime::EEventAction::PROCESS; 
-        }); 
- 
-        Restore(runtime, env, R"( 
-            Name: "Table" 
-            Columns { Name: "key" Type: "Utf8" } 
-            Columns { Name: "value" Type: "Utf8" } 
-            KeyColumnNames: ["key"] 
-        )", {data}); 
- 
-        if (!result) { 
-            TDispatchOptions opts; 
-            opts.FinalEvents.emplace_back([&result](IEventHandle&) -> bool { 
-                return result.Defined(); 
-            }); 
-            runtime.DispatchEvents(opts); 
-        } 
- 
-        UNIT_ASSERT_VALUES_EQUAL(result->GetBytesProcessed(), 16); 
-        UNIT_ASSERT_VALUES_EQUAL(result->GetRowsProcessed(), 2); 
-    } 
- 
-    Y_UNIT_TEST(ShouldFailOnFileWithoutNewLines) { 
-        TTestBasicRuntime runtime; 
- 
-        const auto data = TTestData("\"a1\",\"value1\"", EmptyYsonStr); 
- 
-        Restore(runtime, R"( 
-            Name: "Table" 
-            Columns { Name: "key" Type: "Utf8" } 
-            Columns { Name: "value" Type: "Utf8" } 
-            KeyColumnNames: ["key"] 
-        )", {data}); 
- 
+                (
+                    (let key '( '('key (Uint32 '%lu) ) ) )
+                    (let row '( '('double_value (Double '%lf ) ) '('float_value (Float '%f) ) ) )
+                    (return (AsList (UpdateRow '__user__Original key row) ))
+                )
+            )", key, doubleValue, floatValue), result, error);
+
+            UNIT_ASSERT_VALUES_EQUAL_C(status, NKikimrProto::EReplyStatus::OK, error);
+            UNIT_ASSERT_VALUES_EQUAL(error, "");
+        };
+
+        using double_conversion::Double;
+
+        writeRow(1, Double::NaN(), static_cast<float>(Double::NaN()));
+        writeRow(2, -Double::NaN(), static_cast<float>(-Double::NaN()));
+        writeRow(3, Double::Infinity(), static_cast<float>(Double::Infinity()));
+        writeRow(4, -Double::Infinity(), static_cast<float>(-Double::Infinity()));
+
+        TestExport(runtime, ++txId, "/MyRoot", Sprintf(R"(
+            ExportToS3Settings {
+              endpoint: "localhost:%d"
+              scheme: HTTP
+              items {
+                source_path: "/MyRoot/Original"
+                destination_prefix: ""
+              }
+            }
+        )", port));
+        env.TestWaitNotification(runtime, txId);
+        TestGetExport(runtime, txId, "/MyRoot");
+
+        TestImport(runtime, ++txId, "/MyRoot", Sprintf(R"(
+            ImportFromS3Settings {
+              endpoint: "localhost:%d"
+              scheme: HTTP
+              items {
+                source_prefix: ""
+                destination_path: "/MyRoot/Restored"
+              }
+            }
+        )", port));
+        env.TestWaitNotification(runtime, txId);
+        TestGetImport(runtime, txId, "/MyRoot");
+    }
+
+    Y_UNIT_TEST(ShouldCountWrittenBytesAndRows) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime);
+
+        const auto data = GenerateTestData("a", 2);
+
+        TMaybe<NKikimrTxDataShard::TShardOpResult> result;
+        runtime.SetObserverFunc([&result](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) {
+            if (ev->GetTypeRewrite() != TEvDataShard::EvSchemaChanged) {
+                return TTestActorRuntime::EEventAction::PROCESS;
+            }
+
+            const auto& record = ev->Get<TEvDataShard::TEvSchemaChanged>()->Record;
+            if (!record.HasOpResult()) {
+                return TTestActorRuntime::EEventAction::PROCESS;
+            }
+
+            result = record.GetOpResult();
+            return TTestActorRuntime::EEventAction::PROCESS;
+        });
+
+        Restore(runtime, env, R"(
+            Name: "Table"
+            Columns { Name: "key" Type: "Utf8" }
+            Columns { Name: "value" Type: "Utf8" }
+            KeyColumnNames: ["key"]
+        )", {data});
+
+        if (!result) {
+            TDispatchOptions opts;
+            opts.FinalEvents.emplace_back([&result](IEventHandle&) -> bool {
+                return result.Defined();
+            });
+            runtime.DispatchEvents(opts);
+        }
+
+        UNIT_ASSERT_VALUES_EQUAL(result->GetBytesProcessed(), 16);
+        UNIT_ASSERT_VALUES_EQUAL(result->GetRowsProcessed(), 2);
+    }
+
+    Y_UNIT_TEST(ShouldFailOnFileWithoutNewLines) {
+        TTestBasicRuntime runtime;
+
+        const auto data = TTestData("\"a1\",\"value1\"", EmptyYsonStr);
+
+        Restore(runtime, R"(
+            Name: "Table"
+            Columns { Name: "key" Type: "Utf8" }
+            Columns { Name: "value" Type: "Utf8" }
+            KeyColumnNames: ["key"]
+        )", {data});
+
         auto content = ReadTable(runtime, TTestTxConfig::FakeHiveTablets);
         NKqp::CompareYson(data.YsonStr, content);
-    } 
- 
-    Y_UNIT_TEST(ShouldFailOnEmptyToken) { 
-        TTestBasicRuntime runtime; 
- 
-        const auto data = TTestData("\"a1\",\n", EmptyYsonStr); 
- 
-        Restore(runtime, R"( 
-            Name: "Table" 
-            Columns { Name: "key" Type: "Utf8" } 
-            Columns { Name: "value" Type: "Utf8" } 
-            KeyColumnNames: ["key"] 
-        )", {data}); 
- 
+    }
+
+    Y_UNIT_TEST(ShouldFailOnEmptyToken) {
+        TTestBasicRuntime runtime;
+
+        const auto data = TTestData("\"a1\",\n", EmptyYsonStr);
+
+        Restore(runtime, R"(
+            Name: "Table"
+            Columns { Name: "key" Type: "Utf8" }
+            Columns { Name: "value" Type: "Utf8" }
+            KeyColumnNames: ["key"]
+        )", {data});
+
         auto content = ReadTable(runtime, TTestTxConfig::FakeHiveTablets);
         NKqp::CompareYson(data.YsonStr, content);
-    } 
- 
-    Y_UNIT_TEST(ShouldFailOnInvalidValue) { 
-        TTestBasicRuntime runtime; 
- 
-        const auto data = TTestData("\"a1\",\"value1\"\n", EmptyYsonStr); 
- 
-        Restore(runtime, R"( 
-            Name: "Table" 
-            Columns { Name: "key" Type: "Uint64" } 
-            Columns { Name: "value" Type: "Utf8" } 
-            KeyColumnNames: ["key"] 
-        )", {data}); 
- 
+    }
+
+    Y_UNIT_TEST(ShouldFailOnInvalidValue) {
+        TTestBasicRuntime runtime;
+
+        const auto data = TTestData("\"a1\",\"value1\"\n", EmptyYsonStr);
+
+        Restore(runtime, R"(
+            Name: "Table"
+            Columns { Name: "key" Type: "Uint64" }
+            Columns { Name: "value" Type: "Utf8" }
+            KeyColumnNames: ["key"]
+        )", {data});
+
         auto content = ReadTable(runtime, TTestTxConfig::FakeHiveTablets, "Table", {"key", "Uint64", "0"});
         NKqp::CompareYson(data.YsonStr, content);
-    } 
- 
-    Y_UNIT_TEST(ShouldFailOnOutboundKey) { 
-        TTestBasicRuntime runtime; 
- 
-        const auto a = GenerateTestData("a", 1); 
-        const auto b = TTestData(a.Csv, EmptyYsonStr); 
- 
-        Restore(runtime, R"( 
-            Name: "Table" 
-            Columns { Name: "key" Type: "Utf8" } 
-            Columns { Name: "value" Type: "Utf8" } 
-            KeyColumnNames: ["key"] 
-            SplitBoundary { 
-              KeyPrefix { 
-                Tuple { Optional { Text: "b" } } 
-              } 
-            } 
-        )", {a, b}); 
- 
-        { 
+    }
+
+    Y_UNIT_TEST(ShouldFailOnOutboundKey) {
+        TTestBasicRuntime runtime;
+
+        const auto a = GenerateTestData("a", 1);
+        const auto b = TTestData(a.Csv, EmptyYsonStr);
+
+        Restore(runtime, R"(
+            Name: "Table"
+            Columns { Name: "key" Type: "Utf8" }
+            Columns { Name: "value" Type: "Utf8" }
+            KeyColumnNames: ["key"]
+            SplitBoundary {
+              KeyPrefix {
+                Tuple { Optional { Text: "b" } }
+              }
+            }
+        )", {a, b});
+
+        {
             auto content = ReadTable(runtime, TTestTxConfig::FakeHiveTablets + 0);
             NKqp::CompareYson(a.YsonStr, content);
-        } 
-        { 
+        }
+        {
             auto content = ReadTable(runtime, TTestTxConfig::FakeHiveTablets + 1);
             NKqp::CompareYson(b.YsonStr, content);
-        } 
-    } 
- 
+        }
+    }
+
     void TestRestoreNegative(TTestActorRuntime& runtime, ui64 txId, const TString& parentPath, const TString& name,
             const TVector<TEvSchemeShard::EStatus>& expectedResults) {
- 
-        TestRestore(runtime, ++txId, parentPath, Sprintf(R"( 
-            TableName: "%s" 
-            S3Settings { 
-                Endpoint: "localhost" 
-                Scheme: HTTP 
-            } 
-        )", name.data()), expectedResults); 
-    } 
- 
-    Y_UNIT_TEST(ShouldFailOnVariousErrors) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime); 
-        ui64 txId = 100; 
- 
-        TestCreateTable(runtime, ++txId, "/MyRoot", R"( 
-            Name: "Table" 
-            Columns { Name: "key" Type: "Utf8" } 
-            Columns { Name: "value" Type: "Utf8" } 
-            KeyColumnNames: ["key"] 
-        )"); 
+
+        TestRestore(runtime, ++txId, parentPath, Sprintf(R"(
+            TableName: "%s"
+            S3Settings {
+                Endpoint: "localhost"
+                Scheme: HTTP
+            }
+        )", name.data()), expectedResults);
+    }
+
+    Y_UNIT_TEST(ShouldFailOnVariousErrors) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime);
+        ui64 txId = 100;
+
+        TestCreateTable(runtime, ++txId, "/MyRoot", R"(
+            Name: "Table"
+            Columns { Name: "key" Type: "Utf8" }
+            Columns { Name: "value" Type: "Utf8" }
+            KeyColumnNames: ["key"]
+        )");
         TestRestoreNegative(runtime, ++txId, "/MyRoot", "Table", {NKikimrScheme::StatusMultipleModifications});
-        env.TestWaitNotification(runtime, {txId - 1, txId}); 
- 
-        TestMkDir(runtime, ++txId, "/MyRoot", "Dir"); 
+        env.TestWaitNotification(runtime, {txId - 1, txId});
+
+        TestMkDir(runtime, ++txId, "/MyRoot", "Dir");
         TestRestoreNegative(runtime, ++txId, "/MyRoot", "Dir", {NKikimrScheme::StatusNameConflict});
-        env.TestWaitNotification(runtime, {txId - 1, txId}); 
- 
+        env.TestWaitNotification(runtime, {txId - 1, txId});
+
         TestRestoreNegative(runtime, ++txId, "/MyRoot", "Dir", {NKikimrScheme::StatusNameConflict});
         TestRestoreNegative(runtime, ++txId, "/MyRoot", "NotExist", {NKikimrScheme::StatusPathDoesNotExist});
- 
-        TestAlterTable(runtime, ++txId, "/MyRoot",R"( 
-            Name: "Table" 
-            Columns { Name: "extra"  Type: "Utf8"} 
-        )"); 
+
+        TestAlterTable(runtime, ++txId, "/MyRoot",R"(
+            Name: "Table"
+            Columns { Name: "extra"  Type: "Utf8"}
+        )");
         TestRestoreNegative(runtime, ++txId, "/MyRoot", "Table", {NKikimrScheme::StatusMultipleModifications});
-        env.TestWaitNotification(runtime, {txId - 1, txId}); 
- 
-        TestDropTable(runtime, ++txId, "/MyRoot", "Table"); 
+        env.TestWaitNotification(runtime, {txId - 1, txId});
+
+        TestDropTable(runtime, ++txId, "/MyRoot", "Table");
         TestRestoreNegative(runtime, ++txId, "/MyRoot", "Table", {NKikimrScheme::StatusMultipleModifications});
-        env.TestWaitNotification(runtime, {txId - 1, txId}); 
- 
-        TestCreateIndexedTable(runtime, ++txId, "/MyRoot", R"( 
-            TableDescription { 
-              Name: "IndexedTable" 
-              Columns { Name: "key" Type: "Utf8" } 
-              Columns { Name: "value" Type: "Utf8" } 
-              KeyColumnNames: ["key"] 
-            } 
-            IndexDescription { 
-              Name: "ByValue" 
-              KeyColumnNames: ["value"] 
-            } 
-        )"); 
+        env.TestWaitNotification(runtime, {txId - 1, txId});
+
+        TestCreateIndexedTable(runtime, ++txId, "/MyRoot", R"(
+            TableDescription {
+              Name: "IndexedTable"
+              Columns { Name: "key" Type: "Utf8" }
+              Columns { Name: "value" Type: "Utf8" }
+              KeyColumnNames: ["key"]
+            }
+            IndexDescription {
+              Name: "ByValue"
+              KeyColumnNames: ["value"]
+            }
+        )");
         TestRestoreNegative(runtime, ++txId, "/MyRoot", "IndexedTable", {NKikimrScheme::StatusMultipleModifications});
-        env.TestWaitNotification(runtime, {txId - 1, txId}); 
- 
+        env.TestWaitNotification(runtime, {txId - 1, txId});
+
         TestRestoreNegative(runtime, ++txId, "/MyRoot", "IndexedTable", {NKikimrScheme::StatusInvalidParameter});
-    } 
- 
-    template <typename TEvToDelay> 
-    void CancelShouldSucceed(const TTestData& data, bool kill = false) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime); 
-        ui64 txId = 100; 
- 
-        TestCreateTable(runtime, ++txId, "/MyRoot", R"( 
-            Name: "Table" 
-            Columns { Name: "key" Type: "Utf8" } 
-            Columns { Name: "value" Type: "Utf8" } 
-            KeyColumnNames: ["key"] 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        THolder<IEventHandle> delayed; 
-        auto prevObserver = SetDelayObserver(runtime, delayed, [](TAutoPtr<IEventHandle>& ev) { 
-            return ev->GetTypeRewrite() == TEvToDelay::EventType; 
-        }); 
- 
-        TPortManager portManager; 
-        THolder<TS3Mock> s3Mock; 
- 
-        runtime.SetLogPriority(NKikimrServices::FLAT_TX_SCHEMESHARD, NActors::NLog::PRI_DEBUG); 
-        RestoreNoWait(runtime, txId, portManager.GetPort(), s3Mock, {data}); 
-        const ui64 restoreTxId = txId; 
- 
-        if (kill) { 
-            s3Mock.Destroy(); 
-        } 
- 
-        WaitForDelayed(runtime, delayed, prevObserver); 
- 
-        runtime.Send(delayed.Release(), 0, true); 
-        TestCancelTxTable(runtime, ++txId, restoreTxId); 
-        env.TestWaitNotification(runtime, {restoreTxId, txId}); 
- 
+    }
+
+    template <typename TEvToDelay>
+    void CancelShouldSucceed(const TTestData& data, bool kill = false) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime);
+        ui64 txId = 100;
+
+        TestCreateTable(runtime, ++txId, "/MyRoot", R"(
+            Name: "Table"
+            Columns { Name: "key" Type: "Utf8" }
+            Columns { Name: "value" Type: "Utf8" }
+            KeyColumnNames: ["key"]
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        THolder<IEventHandle> delayed;
+        auto prevObserver = SetDelayObserver(runtime, delayed, [](TAutoPtr<IEventHandle>& ev) {
+            return ev->GetTypeRewrite() == TEvToDelay::EventType;
+        });
+
+        TPortManager portManager;
+        THolder<TS3Mock> s3Mock;
+
+        runtime.SetLogPriority(NKikimrServices::FLAT_TX_SCHEMESHARD, NActors::NLog::PRI_DEBUG);
+        RestoreNoWait(runtime, txId, portManager.GetPort(), s3Mock, {data});
+        const ui64 restoreTxId = txId;
+
+        if (kill) {
+            s3Mock.Destroy();
+        }
+
+        WaitForDelayed(runtime, delayed, prevObserver);
+
+        runtime.Send(delayed.Release(), 0, true);
+        TestCancelTxTable(runtime, ++txId, restoreTxId);
+        env.TestWaitNotification(runtime, {restoreTxId, txId});
+
         auto content = ReadTable(runtime, TTestTxConfig::FakeHiveTablets);
         NKqp::CompareYson(data.YsonStr, content);
-    } 
- 
-    Y_UNIT_TEST(CancelUponProposeShouldSucceed) { 
-        auto data = GenerateTestData("a", 1); 
-        data.YsonStr = EmptyYsonStr; 
-        CancelShouldSucceed<TEvDataShard::TEvProposeTransaction>(data); 
-    } 
- 
-    Y_UNIT_TEST(CancelUponProposeResultShouldSucceed) { 
-        auto data = GenerateTestData("a", 1); 
-        data.YsonStr = EmptyYsonStr; 
-        CancelShouldSucceed<TEvDataShard::TEvProposeTransactionResult>(data); 
-    } 
- 
-    Y_UNIT_TEST(CancelUponUploadResponseShouldSucceed) { 
-        const auto data = GenerateTestData("a", 1); 
-        CancelShouldSucceed<TEvDataShard::TEvUnsafeUploadRowsResponse>(data); 
-    } 
- 
-    Y_UNIT_TEST(CancelHungOperationShouldSucceed) { 
-        auto data = GenerateTestData("a", 1); 
-        data.YsonStr = EmptyYsonStr; 
-        CancelShouldSucceed<TEvDataShard::TEvProposeTransactionResult>(data, true); 
-    } 
- 
-    Y_UNIT_TEST(CancelAlmostCompleteOperationShouldNotHaveEffect) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime); 
-        ui64 txId = 100; 
- 
-        TestCreateTable(runtime, ++txId, "/MyRoot", R"( 
-            Name: "Table" 
-            Columns { Name: "key" Type: "Utf8" } 
-            Columns { Name: "value" Type: "Utf8" } 
-            KeyColumnNames: ["key"] 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        THolder<IEventHandle> schemaChanged; 
-        auto prevObserver = SetDelayObserver(runtime, schemaChanged, [](TAutoPtr<IEventHandle>& ev) { 
-            return ev->GetTypeRewrite() == TEvDataShard::TEvSchemaChanged::EventType; 
-        }); 
- 
-        TPortManager portManager; 
-        THolder<TS3Mock> s3Mock; 
-        const auto data = GenerateTestData("a", 1); 
- 
-        RestoreNoWait(runtime, txId, portManager.GetPort(), s3Mock, {data}); 
-        const ui64 restoreTxId = txId; 
- 
-        WaitForDelayed(runtime, schemaChanged, prevObserver); 
- 
-        THolder<IEventHandle> progress; 
-        prevObserver = SetDelayObserver(runtime, progress, [](TAutoPtr<IEventHandle>& ev) { 
-            return ev->GetTypeRewrite() == TEvPrivate::TEvProgressOperation::EventType; 
-        }); 
- 
-        TestCancelTxTable(runtime, ++txId, restoreTxId); 
-        WaitForDelayed(runtime, progress, prevObserver); 
- 
-        runtime.Send(schemaChanged.Release(), 0, true); 
-        runtime.Send(progress.Release(), 0, true); 
-        env.TestWaitNotification(runtime, {restoreTxId, txId}); 
- 
+    }
+
+    Y_UNIT_TEST(CancelUponProposeShouldSucceed) {
+        auto data = GenerateTestData("a", 1);
+        data.YsonStr = EmptyYsonStr;
+        CancelShouldSucceed<TEvDataShard::TEvProposeTransaction>(data);
+    }
+
+    Y_UNIT_TEST(CancelUponProposeResultShouldSucceed) {
+        auto data = GenerateTestData("a", 1);
+        data.YsonStr = EmptyYsonStr;
+        CancelShouldSucceed<TEvDataShard::TEvProposeTransactionResult>(data);
+    }
+
+    Y_UNIT_TEST(CancelUponUploadResponseShouldSucceed) {
+        const auto data = GenerateTestData("a", 1);
+        CancelShouldSucceed<TEvDataShard::TEvUnsafeUploadRowsResponse>(data);
+    }
+
+    Y_UNIT_TEST(CancelHungOperationShouldSucceed) {
+        auto data = GenerateTestData("a", 1);
+        data.YsonStr = EmptyYsonStr;
+        CancelShouldSucceed<TEvDataShard::TEvProposeTransactionResult>(data, true);
+    }
+
+    Y_UNIT_TEST(CancelAlmostCompleteOperationShouldNotHaveEffect) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime);
+        ui64 txId = 100;
+
+        TestCreateTable(runtime, ++txId, "/MyRoot", R"(
+            Name: "Table"
+            Columns { Name: "key" Type: "Utf8" }
+            Columns { Name: "value" Type: "Utf8" }
+            KeyColumnNames: ["key"]
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        THolder<IEventHandle> schemaChanged;
+        auto prevObserver = SetDelayObserver(runtime, schemaChanged, [](TAutoPtr<IEventHandle>& ev) {
+            return ev->GetTypeRewrite() == TEvDataShard::TEvSchemaChanged::EventType;
+        });
+
+        TPortManager portManager;
+        THolder<TS3Mock> s3Mock;
+        const auto data = GenerateTestData("a", 1);
+
+        RestoreNoWait(runtime, txId, portManager.GetPort(), s3Mock, {data});
+        const ui64 restoreTxId = txId;
+
+        WaitForDelayed(runtime, schemaChanged, prevObserver);
+
+        THolder<IEventHandle> progress;
+        prevObserver = SetDelayObserver(runtime, progress, [](TAutoPtr<IEventHandle>& ev) {
+            return ev->GetTypeRewrite() == TEvPrivate::TEvProgressOperation::EventType;
+        });
+
+        TestCancelTxTable(runtime, ++txId, restoreTxId);
+        WaitForDelayed(runtime, progress, prevObserver);
+
+        runtime.Send(schemaChanged.Release(), 0, true);
+        runtime.Send(progress.Release(), 0, true);
+        env.TestWaitNotification(runtime, {restoreTxId, txId});
+
         auto content = ReadTable(runtime, TTestTxConfig::FakeHiveTablets);
         NKqp::CompareYson(data.YsonStr, content);
-    } 
-} 
- 
-Y_UNIT_TEST_SUITE(TRestoreWithRebootsTests) { 
-    void Restore(TTestWithReboots& t, TTestActorRuntime& runtime, bool& activeZone, 
-            ui16 port, const TString& creationScheme, TVector<TTestData>&& data) { 
- 
-        THolder<TS3Mock> s3Mock; 
-        TString schemeStr; 
- 
-        { 
-            TInactiveZone inactive(activeZone); 
- 
-            TestCreateTable(runtime, ++t.TxId, "/MyRoot", creationScheme); 
-            t.TestEnv->TestWaitNotification(runtime, t.TxId); 
- 
-            const auto desc = DescribePath(runtime, "/MyRoot/Table", true, true); 
+    }
+}
+
+Y_UNIT_TEST_SUITE(TRestoreWithRebootsTests) {
+    void Restore(TTestWithReboots& t, TTestActorRuntime& runtime, bool& activeZone,
+            ui16 port, const TString& creationScheme, TVector<TTestData>&& data) {
+
+        THolder<TS3Mock> s3Mock;
+        TString schemeStr;
+
+        {
+            TInactiveZone inactive(activeZone);
+
+            TestCreateTable(runtime, ++t.TxId, "/MyRoot", creationScheme);
+            t.TestEnv->TestWaitNotification(runtime, t.TxId);
+
+            const auto desc = DescribePath(runtime, "/MyRoot/Table", true, true);
             UNIT_ASSERT_VALUES_EQUAL(desc.GetStatus(), NKikimrScheme::StatusSuccess);
- 
-            s3Mock.Reset(new TS3Mock(ConvertTestData({GenerateScheme(desc), std::move(data)}), TS3Mock::TSettings(port))); 
-            UNIT_ASSERT(s3Mock->Start()); 
- 
-            runtime.SetLogPriority(NKikimrServices::DATASHARD_RESTORE, NActors::NLog::PRI_TRACE); 
-            schemeStr = GenerateTableDescription(desc); 
-        } 
- 
-        TestRestore(runtime, ++t.TxId, "/MyRoot", Sprintf(R"( 
-            TableName: "Table" 
-            TableDescription { 
-                %s 
-            } 
-            S3Settings { 
-                Endpoint: "localhost:%d" 
-                Scheme: HTTP 
-                Limits { 
-                    ReadBatchSize: 128 
-                } 
-            } 
-        )", schemeStr.data(), port)); 
-        t.TestEnv->TestWaitNotification(runtime, t.TxId); 
-    } 
- 
-    Y_UNIT_TEST(ShouldSucceedOnSingleShardTable) { 
-        TPortManager portManager; 
-        const ui16 port = portManager.GetPort(); 
- 
-        TTestWithReboots t; 
-        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) { 
-            const auto data = GenerateTestData("a", 1); 
- 
-            Restore(t, runtime, activeZone, port, R"( 
-                Name: "Table" 
-                Columns { Name: "key" Type: "Utf8" } 
-                Columns { Name: "value" Type: "Utf8" } 
-                KeyColumnNames: ["key"] 
-            )", {data}); 
- 
-            { 
-                TInactiveZone inactive(activeZone); 
- 
+
+            s3Mock.Reset(new TS3Mock(ConvertTestData({GenerateScheme(desc), std::move(data)}), TS3Mock::TSettings(port)));
+            UNIT_ASSERT(s3Mock->Start());
+
+            runtime.SetLogPriority(NKikimrServices::DATASHARD_RESTORE, NActors::NLog::PRI_TRACE);
+            schemeStr = GenerateTableDescription(desc);
+        }
+
+        TestRestore(runtime, ++t.TxId, "/MyRoot", Sprintf(R"(
+            TableName: "Table"
+            TableDescription {
+                %s
+            }
+            S3Settings {
+                Endpoint: "localhost:%d"
+                Scheme: HTTP
+                Limits {
+                    ReadBatchSize: 128
+                }
+            }
+        )", schemeStr.data(), port));
+        t.TestEnv->TestWaitNotification(runtime, t.TxId);
+    }
+
+    Y_UNIT_TEST(ShouldSucceedOnSingleShardTable) {
+        TPortManager portManager;
+        const ui16 port = portManager.GetPort();
+
+        TTestWithReboots t;
+        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) {
+            const auto data = GenerateTestData("a", 1);
+
+            Restore(t, runtime, activeZone, port, R"(
+                Name: "Table"
+                Columns { Name: "key" Type: "Utf8" }
+                Columns { Name: "value" Type: "Utf8" }
+                KeyColumnNames: ["key"]
+            )", {data});
+
+            {
+                TInactiveZone inactive(activeZone);
+
                 auto content = ReadTable(runtime, TTestTxConfig::FakeHiveTablets);
                 NKqp::CompareYson(data.YsonStr, content);
-            } 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(ShouldSucceedOnMultiShardTable) { 
-        TPortManager portManager; 
-        const ui16 port = portManager.GetPort(); 
- 
-        TTestWithReboots t; 
-        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) { 
-            const auto a = GenerateTestData("a", 1); 
-            const auto b = GenerateTestData("b", 1); 
- 
-            Restore(t, runtime, activeZone, port, R"( 
-                Name: "Table" 
-                Columns { Name: "key" Type: "Utf8" } 
-                Columns { Name: "value" Type: "Utf8" } 
-                KeyColumnNames: ["key"] 
-                SplitBoundary { 
-                  KeyPrefix { 
-                    Tuple { Optional { Text: "b" } } 
-                  } 
-                } 
-            )", {a, b}); 
- 
-            { 
-                TInactiveZone inactive(activeZone); 
-                { 
+            }
+        });
+    }
+
+    Y_UNIT_TEST(ShouldSucceedOnMultiShardTable) {
+        TPortManager portManager;
+        const ui16 port = portManager.GetPort();
+
+        TTestWithReboots t;
+        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) {
+            const auto a = GenerateTestData("a", 1);
+            const auto b = GenerateTestData("b", 1);
+
+            Restore(t, runtime, activeZone, port, R"(
+                Name: "Table"
+                Columns { Name: "key" Type: "Utf8" }
+                Columns { Name: "value" Type: "Utf8" }
+                KeyColumnNames: ["key"]
+                SplitBoundary {
+                  KeyPrefix {
+                    Tuple { Optional { Text: "b" } }
+                  }
+                }
+            )", {a, b});
+
+            {
+                TInactiveZone inactive(activeZone);
+                {
                     auto content = ReadTable(runtime, TTestTxConfig::FakeHiveTablets + 0);
                     NKqp::CompareYson(a.YsonStr, content);
-                } 
-                { 
+                }
+                {
                     auto content = ReadTable(runtime, TTestTxConfig::FakeHiveTablets + 1);
                     NKqp::CompareYson(b.YsonStr, content);
-                } 
-            } 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(ShouldSucceedOnMultiShardTableAndLimitedResources) { 
-        TPortManager portManager; 
-        const ui16 port = portManager.GetPort(); 
- 
-        TTestWithReboots t; 
-        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) { 
-            { 
-                TInactiveZone inactive(activeZone); 
- 
-                using namespace NResourceBroker; 
- 
-                auto config = MakeDefaultConfig(); 
-                for (auto& queue : *config.MutableQueues()) { 
-                    if (queue.GetName() == "queue_restore") { 
-                        queue.MutableLimit()->SetCpu(1); 
-                        break; 
-                    } 
-                } 
- 
-                runtime.RegisterService(MakeResourceBrokerID(), 
-                    runtime.Register(CreateResourceBrokerActor(config, runtime.GetDynamicCounters(0)))); 
-            } 
- 
-            const auto a = GenerateTestData("a", 1); 
-            const auto b = GenerateTestData("b", 1); 
- 
-            Restore(t, runtime, activeZone, port, R"( 
-                Name: "Table" 
-                Columns { Name: "key" Type: "Utf8" } 
-                Columns { Name: "value" Type: "Utf8" } 
-                KeyColumnNames: ["key"] 
-                SplitBoundary { 
-                  KeyPrefix { 
-                    Tuple { Optional { Text: "b" } } 
-                  } 
-                } 
-            )", {a, b}); 
- 
-            { 
-                TInactiveZone inactive(activeZone); 
-                { 
+                }
+            }
+        });
+    }
+
+    Y_UNIT_TEST(ShouldSucceedOnMultiShardTableAndLimitedResources) {
+        TPortManager portManager;
+        const ui16 port = portManager.GetPort();
+
+        TTestWithReboots t;
+        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) {
+            {
+                TInactiveZone inactive(activeZone);
+
+                using namespace NResourceBroker;
+
+                auto config = MakeDefaultConfig();
+                for (auto& queue : *config.MutableQueues()) {
+                    if (queue.GetName() == "queue_restore") {
+                        queue.MutableLimit()->SetCpu(1);
+                        break;
+                    }
+                }
+
+                runtime.RegisterService(MakeResourceBrokerID(),
+                    runtime.Register(CreateResourceBrokerActor(config, runtime.GetDynamicCounters(0))));
+            }
+
+            const auto a = GenerateTestData("a", 1);
+            const auto b = GenerateTestData("b", 1);
+
+            Restore(t, runtime, activeZone, port, R"(
+                Name: "Table"
+                Columns { Name: "key" Type: "Utf8" }
+                Columns { Name: "value" Type: "Utf8" }
+                KeyColumnNames: ["key"]
+                SplitBoundary {
+                  KeyPrefix {
+                    Tuple { Optional { Text: "b" } }
+                  }
+                }
+            )", {a, b});
+
+            {
+                TInactiveZone inactive(activeZone);
+                {
                     auto content = ReadTable(runtime, TTestTxConfig::FakeHiveTablets + 0);
-                    NKqp::CompareYson(a.YsonStr, content); 
-                } 
-                { 
+                    NKqp::CompareYson(a.YsonStr, content);
+                }
+                {
                     auto content = ReadTable(runtime, TTestTxConfig::FakeHiveTablets + 1);
-                    NKqp::CompareYson(b.YsonStr, content); 
-                } 
-            } 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(ShouldSucceedOnLargeData) { 
-        TPortManager portManager; 
-        const ui16 port = portManager.GetPort(); 
- 
-        TTestWithReboots t; 
-        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) { 
-            const auto data = GenerateTestData("", 100); 
-            UNIT_ASSERT(data.Csv.size() > 128); 
- 
-            Restore(t, runtime, activeZone, port, R"( 
-                Name: "Table" 
-                Columns { Name: "key" Type: "Uint32" } 
-                Columns { Name: "value" Type: "Utf8" } 
-                KeyColumnNames: ["key"] 
-            )", {data}); 
- 
-            { 
-                TInactiveZone inactive(activeZone); 
- 
+                    NKqp::CompareYson(b.YsonStr, content);
+                }
+            }
+        });
+    }
+
+    Y_UNIT_TEST(ShouldSucceedOnLargeData) {
+        TPortManager portManager;
+        const ui16 port = portManager.GetPort();
+
+        TTestWithReboots t;
+        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) {
+            const auto data = GenerateTestData("", 100);
+            UNIT_ASSERT(data.Csv.size() > 128);
+
+            Restore(t, runtime, activeZone, port, R"(
+                Name: "Table"
+                Columns { Name: "key" Type: "Uint32" }
+                Columns { Name: "value" Type: "Utf8" }
+                KeyColumnNames: ["key"]
+            )", {data});
+
+            {
+                TInactiveZone inactive(activeZone);
+
                 auto content = ReadTable(runtime, TTestTxConfig::FakeHiveTablets, "Table", {"key", "Uint32", "0"});
                 NKqp::CompareYson(data.YsonStr, content);
-            } 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(ShouldFailOnFileWithoutNewLines) { 
-        TPortManager portManager; 
-        const ui16 port = portManager.GetPort(); 
- 
-        TTestWithReboots t; 
-        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) { 
-            const auto data = TTestData("\"a1\",\"value1\"", EmptyYsonStr); 
- 
-            Restore(t, runtime, activeZone, port, R"( 
-                Name: "Table" 
-                Columns { Name: "key" Type: "Utf8" } 
-                Columns { Name: "value" Type: "Utf8" } 
-                KeyColumnNames: ["key"] 
-            )", {data}); 
- 
-            { 
-                TInactiveZone inactive(activeZone); 
- 
+            }
+        });
+    }
+
+    Y_UNIT_TEST(ShouldFailOnFileWithoutNewLines) {
+        TPortManager portManager;
+        const ui16 port = portManager.GetPort();
+
+        TTestWithReboots t;
+        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) {
+            const auto data = TTestData("\"a1\",\"value1\"", EmptyYsonStr);
+
+            Restore(t, runtime, activeZone, port, R"(
+                Name: "Table"
+                Columns { Name: "key" Type: "Utf8" }
+                Columns { Name: "value" Type: "Utf8" }
+                KeyColumnNames: ["key"]
+            )", {data});
+
+            {
+                TInactiveZone inactive(activeZone);
+
                 auto content = ReadTable(runtime, TTestTxConfig::FakeHiveTablets);
                 NKqp::CompareYson(data.YsonStr, content);
-            } 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(ShouldFailOnEmptyToken) { 
-        TPortManager portManager; 
-        const ui16 port = portManager.GetPort(); 
- 
-        TTestWithReboots t; 
-        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) { 
-            const auto data = TTestData("\"a1\",\n", EmptyYsonStr); 
- 
-            Restore(t, runtime, activeZone, port, R"( 
-                Name: "Table" 
-                Columns { Name: "key" Type: "Utf8" } 
-                Columns { Name: "value" Type: "Utf8" } 
-                KeyColumnNames: ["key"] 
-            )", {data}); 
- 
-            { 
-                TInactiveZone inactive(activeZone); 
- 
+            }
+        });
+    }
+
+    Y_UNIT_TEST(ShouldFailOnEmptyToken) {
+        TPortManager portManager;
+        const ui16 port = portManager.GetPort();
+
+        TTestWithReboots t;
+        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) {
+            const auto data = TTestData("\"a1\",\n", EmptyYsonStr);
+
+            Restore(t, runtime, activeZone, port, R"(
+                Name: "Table"
+                Columns { Name: "key" Type: "Utf8" }
+                Columns { Name: "value" Type: "Utf8" }
+                KeyColumnNames: ["key"]
+            )", {data});
+
+            {
+                TInactiveZone inactive(activeZone);
+
                 auto content = ReadTable(runtime, TTestTxConfig::FakeHiveTablets);
                 NKqp::CompareYson(data.YsonStr, content);
-            } 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(ShouldFailOnInvalidValue) { 
-        TPortManager portManager; 
-        const ui16 port = portManager.GetPort(); 
- 
-        TTestWithReboots t; 
-        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) { 
-            const auto data = TTestData("\"a1\",\"value1\"\n", EmptyYsonStr); 
- 
-            Restore(t, runtime, activeZone, port, R"( 
-                Name: "Table" 
-                Columns { Name: "key" Type: "Uint64" } 
-                Columns { Name: "value" Type: "Utf8" } 
-                KeyColumnNames: ["key"] 
-            )", {data}); 
- 
-            { 
-                TInactiveZone inactive(activeZone); 
- 
+            }
+        });
+    }
+
+    Y_UNIT_TEST(ShouldFailOnInvalidValue) {
+        TPortManager portManager;
+        const ui16 port = portManager.GetPort();
+
+        TTestWithReboots t;
+        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) {
+            const auto data = TTestData("\"a1\",\"value1\"\n", EmptyYsonStr);
+
+            Restore(t, runtime, activeZone, port, R"(
+                Name: "Table"
+                Columns { Name: "key" Type: "Uint64" }
+                Columns { Name: "value" Type: "Utf8" }
+                KeyColumnNames: ["key"]
+            )", {data});
+
+            {
+                TInactiveZone inactive(activeZone);
+
                 auto content = ReadTable(runtime, TTestTxConfig::FakeHiveTablets, "Table", {"key", "Uint64", "0"});
                 NKqp::CompareYson(data.YsonStr, content);
-            } 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(ShouldFailOnOutboundKey) { 
-        TPortManager portManager; 
-        const ui16 port = portManager.GetPort(); 
- 
-        TTestWithReboots t; 
-        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) { 
-            const auto a = GenerateTestData("a", 1); 
-            const auto b = TTestData(a.Csv, EmptyYsonStr); 
- 
-            Restore(t, runtime, activeZone, port, R"( 
-                Name: "Table" 
-                Columns { Name: "key" Type: "Utf8" } 
-                Columns { Name: "value" Type: "Utf8" } 
-                KeyColumnNames: ["key"] 
-                SplitBoundary { 
-                  KeyPrefix { 
-                    Tuple { Optional { Text: "b" } } 
-                  } 
-                } 
-            )", {a, b}); 
- 
-            { 
-                TInactiveZone inactive(activeZone); 
-                { 
+            }
+        });
+    }
+
+    Y_UNIT_TEST(ShouldFailOnOutboundKey) {
+        TPortManager portManager;
+        const ui16 port = portManager.GetPort();
+
+        TTestWithReboots t;
+        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) {
+            const auto a = GenerateTestData("a", 1);
+            const auto b = TTestData(a.Csv, EmptyYsonStr);
+
+            Restore(t, runtime, activeZone, port, R"(
+                Name: "Table"
+                Columns { Name: "key" Type: "Utf8" }
+                Columns { Name: "value" Type: "Utf8" }
+                KeyColumnNames: ["key"]
+                SplitBoundary {
+                  KeyPrefix {
+                    Tuple { Optional { Text: "b" } }
+                  }
+                }
+            )", {a, b});
+
+            {
+                TInactiveZone inactive(activeZone);
+                {
                     auto content = ReadTable(runtime, TTestTxConfig::FakeHiveTablets + 0);
                     NKqp::CompareYson(a.YsonStr, content);
-                } 
-                { 
+                }
+                {
                     auto content = ReadTable(runtime, TTestTxConfig::FakeHiveTablets + 1);
                     NKqp::CompareYson(b.YsonStr, content);
-                } 
-            } 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(CancelShouldSucceed) { 
-        TPortManager portManager; 
-        const ui16 port = portManager.GetPort(); 
-        const auto data = GenerateTestData("a", 1); 
- 
-        TTestWithReboots t; 
-        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) { 
-            THolder<TS3Mock> s3Mock; 
-            TString schemeStr; 
- 
-            { 
-                TInactiveZone inactive(activeZone); 
- 
-                TestCreateTable(runtime, ++t.TxId, "/MyRoot", R"( 
-                    Name: "Table" 
-                    Columns { Name: "key" Type: "Utf8" } 
-                    Columns { Name: "value" Type: "Utf8" } 
-                    KeyColumnNames: ["key"] 
-                )"); 
-                t.TestEnv->TestWaitNotification(runtime, t.TxId); 
- 
-                const auto desc = DescribePath(runtime, "/MyRoot/Table", true, true); 
+                }
+            }
+        });
+    }
+
+    Y_UNIT_TEST(CancelShouldSucceed) {
+        TPortManager portManager;
+        const ui16 port = portManager.GetPort();
+        const auto data = GenerateTestData("a", 1);
+
+        TTestWithReboots t;
+        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) {
+            THolder<TS3Mock> s3Mock;
+            TString schemeStr;
+
+            {
+                TInactiveZone inactive(activeZone);
+
+                TestCreateTable(runtime, ++t.TxId, "/MyRoot", R"(
+                    Name: "Table"
+                    Columns { Name: "key" Type: "Utf8" }
+                    Columns { Name: "value" Type: "Utf8" }
+                    KeyColumnNames: ["key"]
+                )");
+                t.TestEnv->TestWaitNotification(runtime, t.TxId);
+
+                const auto desc = DescribePath(runtime, "/MyRoot/Table", true, true);
                 UNIT_ASSERT_VALUES_EQUAL(desc.GetStatus(), NKikimrScheme::StatusSuccess);
- 
-                s3Mock.Reset(new TS3Mock(ConvertTestData({GenerateScheme(desc), {data}}), TS3Mock::TSettings(port))); 
-                UNIT_ASSERT(s3Mock->Start()); 
- 
-                runtime.SetLogPriority(NKikimrServices::DATASHARD_RESTORE, NActors::NLog::PRI_TRACE); 
-                schemeStr = GenerateTableDescription(desc); 
-            } 
- 
-            AsyncRestore(runtime, ++t.TxId, "/MyRoot", Sprintf(R"( 
-                TableName: "Table" 
-                TableDescription { 
-                    %s 
-                } 
-                S3Settings { 
-                    Endpoint: "localhost:%d" 
-                    Scheme: HTTP 
-                    Limits { 
-                        ReadBatchSize: 128 
-                    } 
-                } 
-            )", schemeStr.data(), port)); 
-            const ui64 restoreTxId = t.TxId; 
- 
-            t.TestEnv->ReliablePropose(runtime, CancelTxRequest(++t.TxId, restoreTxId), { 
+
+                s3Mock.Reset(new TS3Mock(ConvertTestData({GenerateScheme(desc), {data}}), TS3Mock::TSettings(port)));
+                UNIT_ASSERT(s3Mock->Start());
+
+                runtime.SetLogPriority(NKikimrServices::DATASHARD_RESTORE, NActors::NLog::PRI_TRACE);
+                schemeStr = GenerateTableDescription(desc);
+            }
+
+            AsyncRestore(runtime, ++t.TxId, "/MyRoot", Sprintf(R"(
+                TableName: "Table"
+                TableDescription {
+                    %s
+                }
+                S3Settings {
+                    Endpoint: "localhost:%d"
+                    Scheme: HTTP
+                    Limits {
+                        ReadBatchSize: 128
+                    }
+                }
+            )", schemeStr.data(), port));
+            const ui64 restoreTxId = t.TxId;
+
+            t.TestEnv->ReliablePropose(runtime, CancelTxRequest(++t.TxId, restoreTxId), {
                 NKikimrScheme::StatusAccepted,
                 NKikimrScheme::StatusTxIdNotExists
-            }); 
-            t.TestEnv->TestWaitNotification(runtime, {restoreTxId, t.TxId}); 
-        }); 
-    } 
-} 
- 
-Y_UNIT_TEST_SUITE(TImportTests) { 
-    void Run(TTestBasicRuntime& runtime, TTestEnv& env, 
-            THashMap<TString, TString>&& data, const TString& request, 
-            Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS, 
-            const TString& dbName = "/MyRoot", bool serverless = false) { 
- 
-        ui64 id = 100; 
- 
-        TPortManager portManager; 
-        const ui16 port = portManager.GetPort(); 
- 
-        TS3Mock s3Mock(data, TS3Mock::TSettings(port)); 
-        UNIT_ASSERT(s3Mock.Start()); 
- 
+            });
+            t.TestEnv->TestWaitNotification(runtime, {restoreTxId, t.TxId});
+        });
+    }
+}
+
+Y_UNIT_TEST_SUITE(TImportTests) {
+    void Run(TTestBasicRuntime& runtime, TTestEnv& env,
+            THashMap<TString, TString>&& data, const TString& request,
+            Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS,
+            const TString& dbName = "/MyRoot", bool serverless = false) {
+
+        ui64 id = 100;
+
+        TPortManager portManager;
+        const ui16 port = portManager.GetPort();
+
+        TS3Mock s3Mock(data, TS3Mock::TSettings(port));
+        UNIT_ASSERT(s3Mock.Start());
+
         ui64 schemeshardId = TTestTxConfig::SchemeShard;
-        if (dbName != "/MyRoot") { 
-            TestCreateExtSubDomain(runtime, ++id, "/MyRoot", Sprintf(R"( 
-                Name: "%s" 
-            )", TStringBuf(serverless ? "/MyRoot/Shared" : dbName).RNextTok('/').data())); 
-            env.TestWaitNotification(runtime, id); 
- 
-            TestAlterExtSubDomain(runtime, ++id, "/MyRoot", Sprintf(R"( 
-                PlanResolution: 50 
-                Coordinators: 1 
-                Mediators: 1 
-                TimeCastBucketsPerMediator: 2 
-                ExternalSchemeShard: true 
-                Name: "%s" 
-                StoragePools { 
-                  Name: "name_User_kind_hdd-1" 
-                  Kind: "common" 
-                } 
-                StoragePools { 
-                  Name: "name_User_kind_hdd-2" 
-                  Kind: "external" 
-                } 
-            )", TStringBuf(serverless ? "/MyRoot/Shared" : dbName).RNextTok('/').data())); 
-            env.TestWaitNotification(runtime, id); 
- 
-            if (serverless) { 
-                const auto attrs = AlterUserAttrs({ 
-                    {"cloud_id", "CLOUD_ID_VAL"}, 
-                    {"folder_id", "FOLDER_ID_VAL"}, 
-                    {"database_id", "DATABASE_ID_VAL"} 
-                }); 
- 
-                TestCreateExtSubDomain(runtime, ++id, "/MyRoot", Sprintf(R"( 
-                    Name: "%s" 
-                    ResourcesDomainKey { 
-                        SchemeShard: %lu 
-                        PathId: 2 
-                    } 
+        if (dbName != "/MyRoot") {
+            TestCreateExtSubDomain(runtime, ++id, "/MyRoot", Sprintf(R"(
+                Name: "%s"
+            )", TStringBuf(serverless ? "/MyRoot/Shared" : dbName).RNextTok('/').data()));
+            env.TestWaitNotification(runtime, id);
+
+            TestAlterExtSubDomain(runtime, ++id, "/MyRoot", Sprintf(R"(
+                PlanResolution: 50
+                Coordinators: 1
+                Mediators: 1
+                TimeCastBucketsPerMediator: 2
+                ExternalSchemeShard: true
+                Name: "%s"
+                StoragePools {
+                  Name: "name_User_kind_hdd-1"
+                  Kind: "common"
+                }
+                StoragePools {
+                  Name: "name_User_kind_hdd-2"
+                  Kind: "external"
+                }
+            )", TStringBuf(serverless ? "/MyRoot/Shared" : dbName).RNextTok('/').data()));
+            env.TestWaitNotification(runtime, id);
+
+            if (serverless) {
+                const auto attrs = AlterUserAttrs({
+                    {"cloud_id", "CLOUD_ID_VAL"},
+                    {"folder_id", "FOLDER_ID_VAL"},
+                    {"database_id", "DATABASE_ID_VAL"}
+                });
+
+                TestCreateExtSubDomain(runtime, ++id, "/MyRoot", Sprintf(R"(
+                    Name: "%s"
+                    ResourcesDomainKey {
+                        SchemeShard: %lu
+                        PathId: 2
+                    }
                 )", TStringBuf(dbName).RNextTok('/').data(), TTestTxConfig::SchemeShard), attrs);
-                env.TestWaitNotification(runtime, id); 
- 
-                TestAlterExtSubDomain(runtime, ++id, "/MyRoot", Sprintf(R"( 
-                    PlanResolution: 50 
-                    Coordinators: 1 
-                    Mediators: 1 
-                    TimeCastBucketsPerMediator: 2 
-                    ExternalSchemeShard: true 
-                    ExternalHive: false 
-                    Name: "%s" 
+                env.TestWaitNotification(runtime, id);
+
+                TestAlterExtSubDomain(runtime, ++id, "/MyRoot", Sprintf(R"(
+                    PlanResolution: 50
+                    Coordinators: 1
+                    Mediators: 1
+                    TimeCastBucketsPerMediator: 2
+                    ExternalSchemeShard: true
+                    ExternalHive: false
+                    Name: "%s"
                     StoragePools {
                       Name: "name_User_kind_hdd-1"
                       Kind: "common"
@@ -1189,906 +1189,906 @@ Y_UNIT_TEST_SUITE(TImportTests) {
                       Name: "name_User_kind_hdd-2"
                       Kind: "external"
                     }
-                )", TStringBuf(dbName).RNextTok('/').data())); 
-                env.TestWaitNotification(runtime, id); 
-            } 
- 
-            TestDescribeResult(DescribePath(runtime, dbName), { 
-                NLs::PathExist, 
-                NLs::ExtractTenantSchemeshard(&schemeshardId) 
-            }); 
-        } 
- 
-        runtime.SetLogPriority(NKikimrServices::DATASHARD_RESTORE, NActors::NLog::PRI_TRACE); 
-        runtime.SetLogPriority(NKikimrServices::IMPORT, NActors::NLog::PRI_TRACE); 
- 
-        TestImport(runtime, schemeshardId, ++id, dbName, Sprintf(request.data(), port)); 
-        env.TestWaitNotification(runtime, id, schemeshardId); 
- 
-        TestGetImport(runtime, schemeshardId, id, dbName, expectedStatus); 
-    } 
- 
-    void Run(TTestBasicRuntime& runtime, THashMap<TString, TString>&& data, const TString& request, 
-            Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS, 
-            const TString& dbName = "/MyRoot", bool serverless = false) { 
- 
+                )", TStringBuf(dbName).RNextTok('/').data()));
+                env.TestWaitNotification(runtime, id);
+            }
+
+            TestDescribeResult(DescribePath(runtime, dbName), {
+                NLs::PathExist,
+                NLs::ExtractTenantSchemeshard(&schemeshardId)
+            });
+        }
+
+        runtime.SetLogPriority(NKikimrServices::DATASHARD_RESTORE, NActors::NLog::PRI_TRACE);
+        runtime.SetLogPriority(NKikimrServices::IMPORT, NActors::NLog::PRI_TRACE);
+
+        TestImport(runtime, schemeshardId, ++id, dbName, Sprintf(request.data(), port));
+        env.TestWaitNotification(runtime, id, schemeshardId);
+
+        TestGetImport(runtime, schemeshardId, id, dbName, expectedStatus);
+    }
+
+    void Run(TTestBasicRuntime& runtime, THashMap<TString, TString>&& data, const TString& request,
+            Ydb::StatusIds::StatusCode expectedStatus = Ydb::StatusIds::SUCCESS,
+            const TString& dbName = "/MyRoot", bool serverless = false) {
+
         TTestEnv env(runtime, TTestEnvOptions());
-        Run(runtime, env, std::move(data), request, expectedStatus, dbName, serverless); 
-    } 
- 
-    Y_UNIT_TEST(ShouldSucceedOnSingleShardTable) { 
-        TTestBasicRuntime runtime; 
- 
-        const auto data = GenerateTestData(R"( 
-            columns { 
-              name: "key" 
-              type { optional_type { item { type_id: UTF8 } } } 
-            } 
-            columns { 
-              name: "value" 
-              type { optional_type { item { type_id: UTF8 } } } 
-            } 
-            primary_key: "key" 
-        )", {{"a", 1}}); 
- 
-        Run(runtime, ConvertTestData(data), R"( 
-            ImportFromS3Settings { 
-              endpoint: "localhost:%d" 
-              scheme: HTTP 
-              items { 
-                source_prefix: "" 
-                destination_path: "/MyRoot/Table" 
-              } 
-            } 
-        )"); 
- 
+        Run(runtime, env, std::move(data), request, expectedStatus, dbName, serverless);
+    }
+
+    Y_UNIT_TEST(ShouldSucceedOnSingleShardTable) {
+        TTestBasicRuntime runtime;
+
+        const auto data = GenerateTestData(R"(
+            columns {
+              name: "key"
+              type { optional_type { item { type_id: UTF8 } } }
+            }
+            columns {
+              name: "value"
+              type { optional_type { item { type_id: UTF8 } } }
+            }
+            primary_key: "key"
+        )", {{"a", 1}});
+
+        Run(runtime, ConvertTestData(data), R"(
+            ImportFromS3Settings {
+              endpoint: "localhost:%d"
+              scheme: HTTP
+              items {
+                source_prefix: ""
+                destination_path: "/MyRoot/Table"
+              }
+            }
+        )");
+
         auto content = ReadTable(runtime, TTestTxConfig::FakeHiveTablets);
         NKqp::CompareYson(data.Data[0].YsonStr, content);
-    } 
- 
-    Y_UNIT_TEST(ShouldSucceedOnMultiShardTable) { 
-        TTestBasicRuntime runtime; 
- 
-        const auto data = GenerateTestData(R"( 
-            columns { 
-              name: "key" 
-              type { optional_type { item { type_id: UTF8 } } } 
-            } 
-            columns { 
-              name: "value" 
-              type { optional_type { item { type_id: UTF8 } } } 
-            } 
-            primary_key: "key" 
-            partition_at_keys { 
-              split_points { 
-                type { tuple_type { elements { optional_type { item { type_id: UTF8 } } } } } 
-                value { items { text_value: "b" } } 
-              } 
-            } 
-        )", {{"a", 1}, {"b", 1}}); 
- 
-        Run(runtime, ConvertTestData(data), R"( 
-            ImportFromS3Settings { 
-              endpoint: "localhost:%d" 
-              scheme: HTTP 
-              items { 
-                source_prefix: "" 
-                destination_path: "/MyRoot/Table" 
-              } 
-            } 
-        )"); 
- 
-        { 
+    }
+
+    Y_UNIT_TEST(ShouldSucceedOnMultiShardTable) {
+        TTestBasicRuntime runtime;
+
+        const auto data = GenerateTestData(R"(
+            columns {
+              name: "key"
+              type { optional_type { item { type_id: UTF8 } } }
+            }
+            columns {
+              name: "value"
+              type { optional_type { item { type_id: UTF8 } } }
+            }
+            primary_key: "key"
+            partition_at_keys {
+              split_points {
+                type { tuple_type { elements { optional_type { item { type_id: UTF8 } } } } }
+                value { items { text_value: "b" } }
+              }
+            }
+        )", {{"a", 1}, {"b", 1}});
+
+        Run(runtime, ConvertTestData(data), R"(
+            ImportFromS3Settings {
+              endpoint: "localhost:%d"
+              scheme: HTTP
+              items {
+                source_prefix: ""
+                destination_path: "/MyRoot/Table"
+              }
+            }
+        )");
+
+        {
             auto content = ReadTable(runtime, TTestTxConfig::FakeHiveTablets + 0);
             NKqp::CompareYson(data.Data[0].YsonStr, content);
-        } 
-        { 
+        }
+        {
             auto content = ReadTable(runtime, TTestTxConfig::FakeHiveTablets + 1);
             NKqp::CompareYson(data.Data[1].YsonStr, content);
-        } 
-    } 
- 
-    void ShouldSucceedOnIndexedTable(ui32 indexes, const TString& indexType = "global_index {}") { 
-        TTestBasicRuntime runtime; 
- 
-        auto scheme = TStringBuilder() << R"( 
-            columns { 
-              name: "key" 
-              type { optional_type { item { type_id: UTF8 } } } 
-            } 
-            columns { 
-              name: "value" 
-              type { optional_type { item { type_id: UTF8 } } } 
-            } 
-            primary_key: "key" 
-        )"; 
- 
-        for (ui32 i = 0; i < indexes; ++i) { 
-            scheme << Sprintf(R"( 
-                indexes { 
-                  name: "by_value_%i" 
-                  index_columns: "value" 
-                  %s 
-                } 
-            )", i + 1, indexType.data()); 
-        } 
- 
-        const auto data = GenerateTestData(scheme, {{"a", 1}}); 
- 
-        Run(runtime, ConvertTestData(data), R"( 
-            ImportFromS3Settings { 
-              endpoint: "localhost:%d" 
-              scheme: HTTP 
-              items { 
-                source_prefix: "" 
-                destination_path: "/MyRoot/Table" 
-              } 
-            } 
-        )"); 
- 
-        { 
+        }
+    }
+
+    void ShouldSucceedOnIndexedTable(ui32 indexes, const TString& indexType = "global_index {}") {
+        TTestBasicRuntime runtime;
+
+        auto scheme = TStringBuilder() << R"(
+            columns {
+              name: "key"
+              type { optional_type { item { type_id: UTF8 } } }
+            }
+            columns {
+              name: "value"
+              type { optional_type { item { type_id: UTF8 } } }
+            }
+            primary_key: "key"
+        )";
+
+        for (ui32 i = 0; i < indexes; ++i) {
+            scheme << Sprintf(R"(
+                indexes {
+                  name: "by_value_%i"
+                  index_columns: "value"
+                  %s
+                }
+            )", i + 1, indexType.data());
+        }
+
+        const auto data = GenerateTestData(scheme, {{"a", 1}});
+
+        Run(runtime, ConvertTestData(data), R"(
+            ImportFromS3Settings {
+              endpoint: "localhost:%d"
+              scheme: HTTP
+              items {
+                source_prefix: ""
+                destination_path: "/MyRoot/Table"
+              }
+            }
+        )");
+
+        {
             auto content = ReadTable(runtime, TTestTxConfig::FakeHiveTablets + 0);
             NKqp::CompareYson(data.Data[0].YsonStr, content);
-        } 
- 
-        for (ui32 i = 0; i < indexes; ++i) { 
+        }
+
+        for (ui32 i = 0; i < indexes; ++i) {
             auto content = ReadTable(runtime, TTestTxConfig::FakeHiveTablets + 1 + i,
-                "indexImplTable", {"value", "Utf8", "\"\""}, {"value", "key"}); 
+                "indexImplTable", {"value", "Utf8", "\"\""}, {"value", "key"});
             NKqp::CompareYson(data.Data[0].YsonStr, content);
-        } 
-    } 
- 
-    Y_UNIT_TEST(ShouldSucceedOnIndexedTable1) { 
-        ShouldSucceedOnIndexedTable(1); 
-    } 
- 
-    Y_UNIT_TEST(ShouldSucceedOnIndexedTable2) { 
-        ShouldSucceedOnIndexedTable(2); 
-    } 
- 
-    Y_UNIT_TEST(ShouldSucceedOnIndexedTable3) { 
-        ShouldSucceedOnIndexedTable(1, ""); 
-    } 
- 
-    Y_UNIT_TEST(ShouldSucceedOnManyTables) { 
-        TTestBasicRuntime runtime; 
- 
-        const auto a = GenerateTestData(R"( 
-            columns { 
-              name: "key" 
-              type { optional_type { item { type_id: UTF8 } } } 
-            } 
-            columns { 
-              name: "value" 
-              type { optional_type { item { type_id: UTF8 } } } 
-            } 
-            primary_key: "key" 
-        )", {{"a", 1}}); 
- 
-        const auto b = GenerateTestData(R"( 
-            columns { 
-              name: "key" 
-              type { optional_type { item { type_id: UTF8 } } } 
-            } 
-            columns { 
-              name: "value" 
-              type { optional_type { item { type_id: UTF8 } } } 
-            } 
-            primary_key: "key" 
-        )", {{"b", 1}}); 
- 
-        Run(runtime, ConvertTestData({{"/a", a}, {"/b", b}}), R"( 
-            ImportFromS3Settings { 
-              endpoint: "localhost:%d" 
-              scheme: HTTP 
-              items { 
-                source_prefix: "a" 
-                destination_path: "/MyRoot/TableA" 
-              } 
-              items { 
-                source_prefix: "b" 
-                destination_path: "/MyRoot/TableB" 
-              } 
-            } 
-        )"); 
- 
-        { 
+        }
+    }
+
+    Y_UNIT_TEST(ShouldSucceedOnIndexedTable1) {
+        ShouldSucceedOnIndexedTable(1);
+    }
+
+    Y_UNIT_TEST(ShouldSucceedOnIndexedTable2) {
+        ShouldSucceedOnIndexedTable(2);
+    }
+
+    Y_UNIT_TEST(ShouldSucceedOnIndexedTable3) {
+        ShouldSucceedOnIndexedTable(1, "");
+    }
+
+    Y_UNIT_TEST(ShouldSucceedOnManyTables) {
+        TTestBasicRuntime runtime;
+
+        const auto a = GenerateTestData(R"(
+            columns {
+              name: "key"
+              type { optional_type { item { type_id: UTF8 } } }
+            }
+            columns {
+              name: "value"
+              type { optional_type { item { type_id: UTF8 } } }
+            }
+            primary_key: "key"
+        )", {{"a", 1}});
+
+        const auto b = GenerateTestData(R"(
+            columns {
+              name: "key"
+              type { optional_type { item { type_id: UTF8 } } }
+            }
+            columns {
+              name: "value"
+              type { optional_type { item { type_id: UTF8 } } }
+            }
+            primary_key: "key"
+        )", {{"b", 1}});
+
+        Run(runtime, ConvertTestData({{"/a", a}, {"/b", b}}), R"(
+            ImportFromS3Settings {
+              endpoint: "localhost:%d"
+              scheme: HTTP
+              items {
+                source_prefix: "a"
+                destination_path: "/MyRoot/TableA"
+              }
+              items {
+                source_prefix: "b"
+                destination_path: "/MyRoot/TableB"
+              }
+            }
+        )");
+
+        {
             auto content = ReadTable(runtime, TTestTxConfig::FakeHiveTablets + 0, "TableA");
             NKqp::CompareYson(a.Data[0].YsonStr, content);
-        } 
-        { 
+        }
+        {
             auto content = ReadTable(runtime, TTestTxConfig::FakeHiveTablets + 1, "TableB");
             NKqp::CompareYson(b.Data[0].YsonStr, content);
-        } 
-    } 
- 
-    Y_UNIT_TEST(ShouldWriteBillRecordOnServerlessDb) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime); 
- 
-        const auto data = GenerateTestData(R"( 
-            columns { 
-              name: "key" 
-              type { optional_type { item { type_id: UTF8 } } } 
-            } 
-            columns { 
-              name: "value" 
-              type { optional_type { item { type_id: UTF8 } } } 
-            } 
-            primary_key: "key" 
-        )", {{"a", 100}}); 
- 
-        TVector<TString> billRecords; 
-        runtime.SetObserverFunc([&billRecords](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) { 
-            if (ev->GetTypeRewrite() != NMetering::TEvMetering::EvWriteMeteringJson) { 
-                return TTestActorRuntime::EEventAction::PROCESS; 
-            } 
- 
-            billRecords.push_back(ev->Get<NMetering::TEvMetering::TEvWriteMeteringJson>()->MeteringJson); 
-            return TTestActorRuntime::EEventAction::PROCESS; 
-        }); 
- 
-        Run(runtime, env, ConvertTestData(data), R"( 
-            ImportFromS3Settings { 
-              endpoint: "localhost:%d" 
-              scheme: HTTP 
-              items { 
-                source_prefix: "" 
-                destination_path: "/MyRoot/User/Table" 
-              } 
-            } 
-        )", Ydb::StatusIds::SUCCESS, "/MyRoot/User", true); 
- 
-        if (billRecords.empty()) { 
-            TDispatchOptions opts; 
-            opts.FinalEvents.emplace_back([&billRecords](IEventHandle&) -> bool { 
-                return !billRecords.empty(); 
-            }); 
-            runtime.DispatchEvents(opts); 
-        } 
- 
+        }
+    }
+
+    Y_UNIT_TEST(ShouldWriteBillRecordOnServerlessDb) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime);
+
+        const auto data = GenerateTestData(R"(
+            columns {
+              name: "key"
+              type { optional_type { item { type_id: UTF8 } } }
+            }
+            columns {
+              name: "value"
+              type { optional_type { item { type_id: UTF8 } } }
+            }
+            primary_key: "key"
+        )", {{"a", 100}});
+
+        TVector<TString> billRecords;
+        runtime.SetObserverFunc([&billRecords](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) {
+            if (ev->GetTypeRewrite() != NMetering::TEvMetering::EvWriteMeteringJson) {
+                return TTestActorRuntime::EEventAction::PROCESS;
+            }
+
+            billRecords.push_back(ev->Get<NMetering::TEvMetering::TEvWriteMeteringJson>()->MeteringJson);
+            return TTestActorRuntime::EEventAction::PROCESS;
+        });
+
+        Run(runtime, env, ConvertTestData(data), R"(
+            ImportFromS3Settings {
+              endpoint: "localhost:%d"
+              scheme: HTTP
+              items {
+                source_prefix: ""
+                destination_path: "/MyRoot/User/Table"
+              }
+            }
+        )", Ydb::StatusIds::SUCCESS, "/MyRoot/User", true);
+
+        if (billRecords.empty()) {
+            TDispatchOptions opts;
+            opts.FinalEvents.emplace_back([&billRecords](IEventHandle&) -> bool {
+                return !billRecords.empty();
+            });
+            runtime.DispatchEvents(opts);
+        }
+
         const TString expectedBillRecord = R"({"usage":{"start":0,"quantity":50,"finish":0,"unit":"request_unit","type":"delta"},"tags":{},"id":"281474976725758-9437199-2-9437199-4","cloud_id":"CLOUD_ID_VAL","source_wt":0,"source_id":"sless-docapi-ydb-ss","resource_id":"DATABASE_ID_VAL","schema":"ydb.serverless.requests.v1","folder_id":"FOLDER_ID_VAL","version":"1.0.0"})";
- 
-        UNIT_ASSERT_VALUES_EQUAL(billRecords.size(), 1); 
-        UNIT_ASSERT_NO_DIFF(billRecords[0], expectedBillRecord + "\n"); 
-    } 
- 
-    Y_UNIT_TEST(ShouldNotWriteBillRecordOnCommonDb) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime); 
- 
-        const auto data = GenerateTestData(R"( 
-            columns { 
-              name: "key" 
-              type { optional_type { item { type_id: UTF8 } } } 
-            } 
-            columns { 
-              name: "value" 
-              type { optional_type { item { type_id: UTF8 } } } 
-            } 
-            primary_key: "key" 
-        )", {{"a", 100}}); 
- 
-        TVector<TString> billRecords; 
-        runtime.SetObserverFunc([&billRecords](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) { 
-            if (ev->GetTypeRewrite() != NMetering::TEvMetering::EvWriteMeteringJson) { 
-                return TTestActorRuntime::EEventAction::PROCESS; 
-            } 
- 
-            billRecords.push_back(ev->Get<NMetering::TEvMetering::TEvWriteMeteringJson>()->MeteringJson); 
-            return TTestActorRuntime::EEventAction::PROCESS; 
-        }); 
- 
-        Run(runtime, env, ConvertTestData(data), R"( 
-            ImportFromS3Settings { 
-              endpoint: "localhost:%d" 
-              scheme: HTTP 
-              items { 
-                source_prefix: "" 
-                destination_path: "/MyRoot/User/Table" 
-              } 
-            } 
-        )", Ydb::StatusIds::SUCCESS, "/MyRoot/User"); 
- 
-        UNIT_ASSERT(billRecords.empty()); 
-    } 
- 
-    void ShouldRestoreSettings(const TString& settings, const TVector<NLs::TCheckFunc>& checks) { 
-        TTestBasicRuntime runtime; 
- 
-        const auto empty = TTestData("", EmptyYsonStr); 
-        const auto data = TTestDataWithScheme(TStringBuilder() << R"( 
-            columns { 
-              name: "key" 
-              type { optional_type { item { type_id: UTF8 } } } 
-            } 
-            columns { 
-              name: "value" 
-              type { optional_type { item { type_id: UTF8 } } } 
-            } 
-            columns { 
-              name: "created_at" 
-              type { optional_type { item { type_id: TIMESTAMP } } } 
-            } 
-            columns { 
-              name: "modified_at" 
-              type { optional_type { item { type_id: UINT32 } } } 
-            } 
-            primary_key: "key" 
-        )" << settings, {empty, empty}); 
- 
-        Run(runtime, ConvertTestData(data), R"( 
-            ImportFromS3Settings { 
-              endpoint: "localhost:%d" 
-              scheme: HTTP 
-              items { 
-                source_prefix: "" 
-                destination_path: "/MyRoot/User/Table" 
-              } 
-            } 
-        )", Ydb::StatusIds::SUCCESS, "/MyRoot/User"); 
- 
-        ui64 schemeshardId = 0; 
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/User"), { 
-            NLs::PathExist, 
-            NLs::ExtractTenantSchemeshard(&schemeshardId) 
-        }); 
- 
-        TestDescribeResult(DescribePath(runtime, schemeshardId, "/MyRoot/User/Table", true, true), checks); 
-    } 
- 
-    Y_UNIT_TEST(ShouldRestoreTtlSettingsInDateTypeColumnMode) { 
-        ShouldRestoreSettings(R"( 
-            ttl_settings { 
-              date_type_column { 
-                column_name: "created_at" 
-                expire_after_seconds: 3600 
-              } 
-            } 
-        )", { 
-            NLs::HasTtlEnabled("created_at", TDuration::Hours(1)), 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(ShouldRestoreTtlSettingsInValueSinceUnixEpochMode) { 
-        ShouldRestoreSettings(R"( 
-            ttl_settings { 
-              value_since_unix_epoch { 
-                column_name: "modified_at" 
-                column_unit: UNIT_SECONDS 
-                expire_after_seconds: 7200 
-              } 
-            } 
-        )", { 
+
+        UNIT_ASSERT_VALUES_EQUAL(billRecords.size(), 1);
+        UNIT_ASSERT_NO_DIFF(billRecords[0], expectedBillRecord + "\n");
+    }
+
+    Y_UNIT_TEST(ShouldNotWriteBillRecordOnCommonDb) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime);
+
+        const auto data = GenerateTestData(R"(
+            columns {
+              name: "key"
+              type { optional_type { item { type_id: UTF8 } } }
+            }
+            columns {
+              name: "value"
+              type { optional_type { item { type_id: UTF8 } } }
+            }
+            primary_key: "key"
+        )", {{"a", 100}});
+
+        TVector<TString> billRecords;
+        runtime.SetObserverFunc([&billRecords](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) {
+            if (ev->GetTypeRewrite() != NMetering::TEvMetering::EvWriteMeteringJson) {
+                return TTestActorRuntime::EEventAction::PROCESS;
+            }
+
+            billRecords.push_back(ev->Get<NMetering::TEvMetering::TEvWriteMeteringJson>()->MeteringJson);
+            return TTestActorRuntime::EEventAction::PROCESS;
+        });
+
+        Run(runtime, env, ConvertTestData(data), R"(
+            ImportFromS3Settings {
+              endpoint: "localhost:%d"
+              scheme: HTTP
+              items {
+                source_prefix: ""
+                destination_path: "/MyRoot/User/Table"
+              }
+            }
+        )", Ydb::StatusIds::SUCCESS, "/MyRoot/User");
+
+        UNIT_ASSERT(billRecords.empty());
+    }
+
+    void ShouldRestoreSettings(const TString& settings, const TVector<NLs::TCheckFunc>& checks) {
+        TTestBasicRuntime runtime;
+
+        const auto empty = TTestData("", EmptyYsonStr);
+        const auto data = TTestDataWithScheme(TStringBuilder() << R"(
+            columns {
+              name: "key"
+              type { optional_type { item { type_id: UTF8 } } }
+            }
+            columns {
+              name: "value"
+              type { optional_type { item { type_id: UTF8 } } }
+            }
+            columns {
+              name: "created_at"
+              type { optional_type { item { type_id: TIMESTAMP } } }
+            }
+            columns {
+              name: "modified_at"
+              type { optional_type { item { type_id: UINT32 } } }
+            }
+            primary_key: "key"
+        )" << settings, {empty, empty});
+
+        Run(runtime, ConvertTestData(data), R"(
+            ImportFromS3Settings {
+              endpoint: "localhost:%d"
+              scheme: HTTP
+              items {
+                source_prefix: ""
+                destination_path: "/MyRoot/User/Table"
+              }
+            }
+        )", Ydb::StatusIds::SUCCESS, "/MyRoot/User");
+
+        ui64 schemeshardId = 0;
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/User"), {
+            NLs::PathExist,
+            NLs::ExtractTenantSchemeshard(&schemeshardId)
+        });
+
+        TestDescribeResult(DescribePath(runtime, schemeshardId, "/MyRoot/User/Table", true, true), checks);
+    }
+
+    Y_UNIT_TEST(ShouldRestoreTtlSettingsInDateTypeColumnMode) {
+        ShouldRestoreSettings(R"(
+            ttl_settings {
+              date_type_column {
+                column_name: "created_at"
+                expire_after_seconds: 3600
+              }
+            }
+        )", {
+            NLs::HasTtlEnabled("created_at", TDuration::Hours(1)),
+        });
+    }
+
+    Y_UNIT_TEST(ShouldRestoreTtlSettingsInValueSinceUnixEpochMode) {
+        ShouldRestoreSettings(R"(
+            ttl_settings {
+              value_since_unix_epoch {
+                column_name: "modified_at"
+                column_unit: UNIT_SECONDS
+                expire_after_seconds: 7200
+              }
+            }
+        )", {
             NLs::HasTtlEnabled("modified_at", TDuration::Hours(2), NKikimrSchemeOp::TTTLSettings::UNIT_SECONDS),
-        }); 
-    } 
- 
-    Y_UNIT_TEST(ShouldRestoreStorageSettings) { 
+        });
+    }
+
+    Y_UNIT_TEST(ShouldRestoreStorageSettings) {
         auto check = [](const NKikimrScheme::TEvDescribeSchemeResult& desc) {
-            const auto& config = desc.GetPathDescription().GetTable().GetPartitionConfig().GetColumnFamilies(0).GetStorageConfig(); 
- 
-            UNIT_ASSERT_VALUES_EQUAL(config.GetSysLog().GetPreferredPoolKind(), "common"); 
-            UNIT_ASSERT_VALUES_EQUAL(config.GetLog().GetPreferredPoolKind(), "common"); 
-            UNIT_ASSERT_VALUES_EQUAL(config.GetExternal().GetPreferredPoolKind(), "external"); 
-            UNIT_ASSERT(config.HasExternalThreshold()); 
-        }; 
- 
-        ShouldRestoreSettings(R"( 
-            storage_settings { 
-              tablet_commit_log0 { media: "common" } 
-              tablet_commit_log1 { media: "common" } 
-              external { media: "external" } 
-              store_external_blobs: ENABLED 
-            } 
-        )", { 
-            check, 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(ShouldRestoreColumnFamilies) { 
-        ShouldRestoreSettings(R"( 
-            storage_settings { 
-              tablet_commit_log0 { media: "common" } 
-              tablet_commit_log1 { media: "common" } 
-            } 
-            column_families { 
-              name: "compressed" 
-              data { media: "common" } 
-              compression: COMPRESSION_LZ4 
-            } 
-        )", { 
-            NLs::ColumnFamiliesHas(1, "compressed"), 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(ShouldRestoreAttributes) { 
-        ShouldRestoreSettings(R"( 
-            attributes { 
-              key: "key" 
-              value: "value" 
-            } 
-        )", { 
-            NLs::UserAttrsEqual({{"key", "value"}}), 
-        }); 
-    } 
- 
-    // Skip compaction_policy (not supported) 
-    // Skip uniform_partitions (has no effect) 
- 
-    Y_UNIT_TEST(ShouldRestoreSplitPoints) { 
-        ShouldRestoreSettings(R"( 
-            partition_at_keys { 
-              split_points { 
-                type { tuple_type { elements { optional_type { item { type_id: UTF8 } } } } } 
-                value { items { text_value: "b" } } 
-              } 
-            } 
-        )", { 
-            NLs::CheckBoundaries, 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(ShouldRestorePartitioningBySize) { 
-        ShouldRestoreSettings(R"( 
-            partitioning_settings { 
-              partitioning_by_size: ENABLED 
-              partition_size_mb: 1024 
-            } 
-        )", { 
-            NLs::SizeToSplitEqual(1 << 30), 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(ShouldRestorePartitioningByLoad) { 
-        ShouldRestoreSettings(R"( 
-            partitioning_settings { 
-              partitioning_by_load: ENABLED 
-            } 
-        )", { 
-            NLs::PartitioningByLoadStatus(true), 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(ShouldRestoreMinMaxPartitionsCount) { 
-        ShouldRestoreSettings(R"( 
-            partitioning_settings { 
-              min_partitions_count: 2 
-              max_partitions_count: 3 
-            } 
-        )", { 
-            NLs::MinPartitionsCountEqual(2), 
-            NLs::MaxPartitionsCountEqual(3), 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(ShouldRestoreKeyBloomFilter) { 
-        ShouldRestoreSettings(R"( 
-            key_bloom_filter: ENABLED 
-        )", { 
-            NLs::KeyBloomFilterStatus(true), 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(ShouldRestorePerAzReadReplicas) { 
+            const auto& config = desc.GetPathDescription().GetTable().GetPartitionConfig().GetColumnFamilies(0).GetStorageConfig();
+
+            UNIT_ASSERT_VALUES_EQUAL(config.GetSysLog().GetPreferredPoolKind(), "common");
+            UNIT_ASSERT_VALUES_EQUAL(config.GetLog().GetPreferredPoolKind(), "common");
+            UNIT_ASSERT_VALUES_EQUAL(config.GetExternal().GetPreferredPoolKind(), "external");
+            UNIT_ASSERT(config.HasExternalThreshold());
+        };
+
+        ShouldRestoreSettings(R"(
+            storage_settings {
+              tablet_commit_log0 { media: "common" }
+              tablet_commit_log1 { media: "common" }
+              external { media: "external" }
+              store_external_blobs: ENABLED
+            }
+        )", {
+            check,
+        });
+    }
+
+    Y_UNIT_TEST(ShouldRestoreColumnFamilies) {
+        ShouldRestoreSettings(R"(
+            storage_settings {
+              tablet_commit_log0 { media: "common" }
+              tablet_commit_log1 { media: "common" }
+            }
+            column_families {
+              name: "compressed"
+              data { media: "common" }
+              compression: COMPRESSION_LZ4
+            }
+        )", {
+            NLs::ColumnFamiliesHas(1, "compressed"),
+        });
+    }
+
+    Y_UNIT_TEST(ShouldRestoreAttributes) {
+        ShouldRestoreSettings(R"(
+            attributes {
+              key: "key"
+              value: "value"
+            }
+        )", {
+            NLs::UserAttrsEqual({{"key", "value"}}),
+        });
+    }
+
+    // Skip compaction_policy (not supported)
+    // Skip uniform_partitions (has no effect)
+
+    Y_UNIT_TEST(ShouldRestoreSplitPoints) {
+        ShouldRestoreSettings(R"(
+            partition_at_keys {
+              split_points {
+                type { tuple_type { elements { optional_type { item { type_id: UTF8 } } } } }
+                value { items { text_value: "b" } }
+              }
+            }
+        )", {
+            NLs::CheckBoundaries,
+        });
+    }
+
+    Y_UNIT_TEST(ShouldRestorePartitioningBySize) {
+        ShouldRestoreSettings(R"(
+            partitioning_settings {
+              partitioning_by_size: ENABLED
+              partition_size_mb: 1024
+            }
+        )", {
+            NLs::SizeToSplitEqual(1 << 30),
+        });
+    }
+
+    Y_UNIT_TEST(ShouldRestorePartitioningByLoad) {
+        ShouldRestoreSettings(R"(
+            partitioning_settings {
+              partitioning_by_load: ENABLED
+            }
+        )", {
+            NLs::PartitioningByLoadStatus(true),
+        });
+    }
+
+    Y_UNIT_TEST(ShouldRestoreMinMaxPartitionsCount) {
+        ShouldRestoreSettings(R"(
+            partitioning_settings {
+              min_partitions_count: 2
+              max_partitions_count: 3
+            }
+        )", {
+            NLs::MinPartitionsCountEqual(2),
+            NLs::MaxPartitionsCountEqual(3),
+        });
+    }
+
+    Y_UNIT_TEST(ShouldRestoreKeyBloomFilter) {
+        ShouldRestoreSettings(R"(
+            key_bloom_filter: ENABLED
+        )", {
+            NLs::KeyBloomFilterStatus(true),
+        });
+    }
+
+    Y_UNIT_TEST(ShouldRestorePerAzReadReplicas) {
         NKikimrHive::TFollowerGroup group;
         group.SetFollowerCount(1);
-        group.SetRequireAllDataCenters(true); 
+        group.SetRequireAllDataCenters(true);
         group.SetFollowerCountPerDataCenter(true);
- 
-        ShouldRestoreSettings(R"( 
-            read_replicas_settings { 
-              per_az_read_replicas_count: 1 
-            } 
-        )", { 
+
+        ShouldRestoreSettings(R"(
+            read_replicas_settings {
+              per_az_read_replicas_count: 1
+            }
+        )", {
             NLs::FollowerGroups({group}),
-        }); 
-    } 
- 
-    Y_UNIT_TEST(ShouldRestoreAnyAzReadReplicas) { 
+        });
+    }
+
+    Y_UNIT_TEST(ShouldRestoreAnyAzReadReplicas) {
         NKikimrHive::TFollowerGroup group;
         group.SetFollowerCount(1);
-        group.SetRequireAllDataCenters(false); 
- 
-        ShouldRestoreSettings(R"( 
-            read_replicas_settings { 
-              any_az_read_replicas_count: 1 
-            } 
-        )", { 
+        group.SetRequireAllDataCenters(false);
+
+        ShouldRestoreSettings(R"(
+            read_replicas_settings {
+              any_az_read_replicas_count: 1
+            }
+        )", {
             NLs::FollowerGroups({group}),
-        }); 
-    } 
- 
-    Y_UNIT_TEST(ShouldFailOnInvalidSchema) { 
-        TTestBasicRuntime runtime; 
- 
-        Run(runtime, ConvertTestData(GenerateTestData("", {{"a", 1}})), R"( 
-            ImportFromS3Settings { 
-              endpoint: "localhost:%d" 
-              scheme: HTTP 
-              items { 
-                source_prefix: "" 
-                destination_path: "/MyRoot/Table" 
-              } 
-            } 
-        )", Ydb::StatusIds::CANCELLED); 
-    } 
- 
-    void ShouldFailOnInvalidCsv(const TString& csv) { 
-        TTestBasicRuntime runtime; 
- 
-        const auto data = TTestDataWithScheme(R"( 
-            columns { 
-              name: "key" 
-              type { optional_type { item { type_id: UTF8 } } } 
-            } 
-            columns { 
-              name: "value" 
-              type { optional_type { item { type_id: UTF8 } } } 
-            } 
-            primary_key: "key" 
-        )", {TTestData(csv, EmptyYsonStr)}); 
- 
-        Run(runtime, ConvertTestData(data), R"( 
-            ImportFromS3Settings { 
-              endpoint: "localhost:%d" 
-              scheme: HTTP 
-              items { 
-                source_prefix: "" 
-                destination_path: "/MyRoot/Table" 
-              } 
-            } 
-        )", Ydb::StatusIds::CANCELLED); 
-    } 
- 
-    Y_UNIT_TEST(ShouldFailOnFileWithoutNewLines) { 
-        ShouldFailOnInvalidCsv("\"a1\",\"value1\""); 
-    } 
- 
-    Y_UNIT_TEST(ShouldFailOnEmptyToken) { 
-        ShouldFailOnInvalidCsv("\"a1\",\n"); 
-    } 
- 
-    Y_UNIT_TEST(ShouldFailOnInvalidValue) { 
-        TTestBasicRuntime runtime; 
- 
-        const auto data = GenerateTestData(R"( 
-            columns { 
-              name: "key" 
-              type { optional_type { item { type_id: UINT64 } } } 
-            } 
-            columns { 
-              name: "value" 
-              type { optional_type { item { type_id: UTF8 } } } 
-            } 
-            primary_key: "key" 
-        )", {{"a", 1}}); 
- 
-        Run(runtime, ConvertTestData(data), R"( 
-            ImportFromS3Settings { 
-              endpoint: "localhost:%d" 
-              scheme: HTTP 
-              items { 
-                source_prefix: "" 
-                destination_path: "/MyRoot/Table" 
-              } 
-            } 
-        )", Ydb::StatusIds::CANCELLED); 
-    } 
- 
-    Y_UNIT_TEST(ShouldFailOnOutboundKey) { 
-        TTestBasicRuntime runtime; 
- 
-        const auto data = GenerateTestData(R"( 
-            columns { 
-              name: "key" 
-              type { optional_type { item { type_id: UTF8 } } } 
-            } 
-            columns { 
-              name: "value" 
-              type { optional_type { item { type_id: UTF8 } } } 
-            } 
-            primary_key: "key" 
-            partition_at_keys { 
-              split_points { 
-                type { tuple_type { elements { optional_type { item { type_id: UTF8 } } } } } 
-                value { items { text_value: "b" } } 
-              } 
-            } 
-        )", {{"a", 1}, {"a", 1}}); 
- 
-        Run(runtime, ConvertTestData(data), R"( 
-            ImportFromS3Settings { 
-              endpoint: "localhost:%d" 
-              scheme: HTTP 
-              items { 
-                source_prefix: "" 
-                destination_path: "/MyRoot/Table" 
-              } 
-            } 
-        )", Ydb::StatusIds::CANCELLED); 
-    } 
- 
-    Y_UNIT_TEST(ShouldFailOnAbsentData) { 
-        TTestBasicRuntime runtime; 
- 
-        const auto data = GenerateTestData(R"( 
-            columns { 
-              name: "key" 
-              type { optional_type { item { type_id: UTF8 } } } 
-            } 
-            columns { 
-              name: "value" 
-              type { optional_type { item { type_id: UTF8 } } } 
-            } 
-            primary_key: "key" 
-            partition_at_keys { 
-              split_points { 
-                type { tuple_type { elements { optional_type { item { type_id: UTF8 } } } } } 
-                value { items { text_value: "b" } } 
-              } 
-            } 
-        )", {{"a", 1}}); 
- 
-        Run(runtime, ConvertTestData(data), R"( 
-            ImportFromS3Settings { 
-              endpoint: "localhost:%d" 
-              scheme: HTTP 
-              items { 
-                source_prefix: "" 
-                destination_path: "/MyRoot/Table" 
-              } 
-            } 
-        )", Ydb::StatusIds::CANCELLED); 
-    } 
- 
-    void CancelShouldSucceed(TDelayFunc delayFunc) { 
-        TTestBasicRuntime runtime; 
+        });
+    }
+
+    Y_UNIT_TEST(ShouldFailOnInvalidSchema) {
+        TTestBasicRuntime runtime;
+
+        Run(runtime, ConvertTestData(GenerateTestData("", {{"a", 1}})), R"(
+            ImportFromS3Settings {
+              endpoint: "localhost:%d"
+              scheme: HTTP
+              items {
+                source_prefix: ""
+                destination_path: "/MyRoot/Table"
+              }
+            }
+        )", Ydb::StatusIds::CANCELLED);
+    }
+
+    void ShouldFailOnInvalidCsv(const TString& csv) {
+        TTestBasicRuntime runtime;
+
+        const auto data = TTestDataWithScheme(R"(
+            columns {
+              name: "key"
+              type { optional_type { item { type_id: UTF8 } } }
+            }
+            columns {
+              name: "value"
+              type { optional_type { item { type_id: UTF8 } } }
+            }
+            primary_key: "key"
+        )", {TTestData(csv, EmptyYsonStr)});
+
+        Run(runtime, ConvertTestData(data), R"(
+            ImportFromS3Settings {
+              endpoint: "localhost:%d"
+              scheme: HTTP
+              items {
+                source_prefix: ""
+                destination_path: "/MyRoot/Table"
+              }
+            }
+        )", Ydb::StatusIds::CANCELLED);
+    }
+
+    Y_UNIT_TEST(ShouldFailOnFileWithoutNewLines) {
+        ShouldFailOnInvalidCsv("\"a1\",\"value1\"");
+    }
+
+    Y_UNIT_TEST(ShouldFailOnEmptyToken) {
+        ShouldFailOnInvalidCsv("\"a1\",\n");
+    }
+
+    Y_UNIT_TEST(ShouldFailOnInvalidValue) {
+        TTestBasicRuntime runtime;
+
+        const auto data = GenerateTestData(R"(
+            columns {
+              name: "key"
+              type { optional_type { item { type_id: UINT64 } } }
+            }
+            columns {
+              name: "value"
+              type { optional_type { item { type_id: UTF8 } } }
+            }
+            primary_key: "key"
+        )", {{"a", 1}});
+
+        Run(runtime, ConvertTestData(data), R"(
+            ImportFromS3Settings {
+              endpoint: "localhost:%d"
+              scheme: HTTP
+              items {
+                source_prefix: ""
+                destination_path: "/MyRoot/Table"
+              }
+            }
+        )", Ydb::StatusIds::CANCELLED);
+    }
+
+    Y_UNIT_TEST(ShouldFailOnOutboundKey) {
+        TTestBasicRuntime runtime;
+
+        const auto data = GenerateTestData(R"(
+            columns {
+              name: "key"
+              type { optional_type { item { type_id: UTF8 } } }
+            }
+            columns {
+              name: "value"
+              type { optional_type { item { type_id: UTF8 } } }
+            }
+            primary_key: "key"
+            partition_at_keys {
+              split_points {
+                type { tuple_type { elements { optional_type { item { type_id: UTF8 } } } } }
+                value { items { text_value: "b" } }
+              }
+            }
+        )", {{"a", 1}, {"a", 1}});
+
+        Run(runtime, ConvertTestData(data), R"(
+            ImportFromS3Settings {
+              endpoint: "localhost:%d"
+              scheme: HTTP
+              items {
+                source_prefix: ""
+                destination_path: "/MyRoot/Table"
+              }
+            }
+        )", Ydb::StatusIds::CANCELLED);
+    }
+
+    Y_UNIT_TEST(ShouldFailOnAbsentData) {
+        TTestBasicRuntime runtime;
+
+        const auto data = GenerateTestData(R"(
+            columns {
+              name: "key"
+              type { optional_type { item { type_id: UTF8 } } }
+            }
+            columns {
+              name: "value"
+              type { optional_type { item { type_id: UTF8 } } }
+            }
+            primary_key: "key"
+            partition_at_keys {
+              split_points {
+                type { tuple_type { elements { optional_type { item { type_id: UTF8 } } } } }
+                value { items { text_value: "b" } }
+              }
+            }
+        )", {{"a", 1}});
+
+        Run(runtime, ConvertTestData(data), R"(
+            ImportFromS3Settings {
+              endpoint: "localhost:%d"
+              scheme: HTTP
+              items {
+                source_prefix: ""
+                destination_path: "/MyRoot/Table"
+              }
+            }
+        )", Ydb::StatusIds::CANCELLED);
+    }
+
+    void CancelShouldSucceed(TDelayFunc delayFunc) {
+        TTestBasicRuntime runtime;
         TTestEnv env(runtime, TTestEnvOptions());
-        ui64 txId = 100; 
- 
-        const auto data = GenerateTestData(R"( 
-            columns { 
-              name: "key" 
-              type { optional_type { item { type_id: UTF8 } } } 
-            } 
-            columns { 
-              name: "value" 
-              type { optional_type { item { type_id: UTF8 } } } 
-            } 
-            primary_key: "key" 
-            indexes { 
-              name: "by_value" 
-              index_columns: "value" 
-              global_index {} 
-            } 
-        )", {{"a", 1}}); 
- 
-        TPortManager portManager; 
-        const ui16 port = portManager.GetPort(); 
- 
-        TS3Mock s3Mock(ConvertTestData(data), TS3Mock::TSettings(port)); 
-        UNIT_ASSERT(s3Mock.Start()); 
- 
-        runtime.SetLogPriority(NKikimrServices::DATASHARD_RESTORE, NActors::NLog::PRI_TRACE); 
-        runtime.SetLogPriority(NKikimrServices::IMPORT, NActors::NLog::PRI_TRACE); 
- 
-        THolder<IEventHandle> delayed; 
-        auto prevObserver = SetDelayObserver(runtime, delayed, delayFunc); 
- 
-        TestImport(runtime, ++txId, "/MyRoot", Sprintf(R"( 
-            ImportFromS3Settings { 
-              endpoint: "localhost:%d" 
-              scheme: HTTP 
-              items { 
-                source_prefix: "" 
-                destination_path: "/MyRoot/Table" 
-              } 
-            } 
-        )", port)); 
-        const ui64 importId = txId; 
- 
-        WaitForDelayed(runtime, delayed, prevObserver); 
- 
-        TestCancelImport(runtime, ++txId, "/MyRoot", importId); 
-        runtime.Send(delayed.Release(), 0, true); 
-        env.TestWaitNotification(runtime, importId); 
- 
-        TestGetImport(runtime, importId, "/MyRoot", Ydb::StatusIds::CANCELLED); 
-    } 
- 
-    Y_UNIT_TEST(CancelUponGettingSchemeShouldSucceed) { 
-        CancelShouldSucceed([](TAutoPtr<IEventHandle>& ev) { 
-            return ev->GetTypeRewrite() == TEvPrivate::EvImportSchemeReady; 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(CancelUponCreatingTableShouldSucceed) { 
-        CancelShouldSucceed([](TAutoPtr<IEventHandle>& ev) { 
+        ui64 txId = 100;
+
+        const auto data = GenerateTestData(R"(
+            columns {
+              name: "key"
+              type { optional_type { item { type_id: UTF8 } } }
+            }
+            columns {
+              name: "value"
+              type { optional_type { item { type_id: UTF8 } } }
+            }
+            primary_key: "key"
+            indexes {
+              name: "by_value"
+              index_columns: "value"
+              global_index {}
+            }
+        )", {{"a", 1}});
+
+        TPortManager portManager;
+        const ui16 port = portManager.GetPort();
+
+        TS3Mock s3Mock(ConvertTestData(data), TS3Mock::TSettings(port));
+        UNIT_ASSERT(s3Mock.Start());
+
+        runtime.SetLogPriority(NKikimrServices::DATASHARD_RESTORE, NActors::NLog::PRI_TRACE);
+        runtime.SetLogPriority(NKikimrServices::IMPORT, NActors::NLog::PRI_TRACE);
+
+        THolder<IEventHandle> delayed;
+        auto prevObserver = SetDelayObserver(runtime, delayed, delayFunc);
+
+        TestImport(runtime, ++txId, "/MyRoot", Sprintf(R"(
+            ImportFromS3Settings {
+              endpoint: "localhost:%d"
+              scheme: HTTP
+              items {
+                source_prefix: ""
+                destination_path: "/MyRoot/Table"
+              }
+            }
+        )", port));
+        const ui64 importId = txId;
+
+        WaitForDelayed(runtime, delayed, prevObserver);
+
+        TestCancelImport(runtime, ++txId, "/MyRoot", importId);
+        runtime.Send(delayed.Release(), 0, true);
+        env.TestWaitNotification(runtime, importId);
+
+        TestGetImport(runtime, importId, "/MyRoot", Ydb::StatusIds::CANCELLED);
+    }
+
+    Y_UNIT_TEST(CancelUponGettingSchemeShouldSucceed) {
+        CancelShouldSucceed([](TAutoPtr<IEventHandle>& ev) {
+            return ev->GetTypeRewrite() == TEvPrivate::EvImportSchemeReady;
+        });
+    }
+
+    Y_UNIT_TEST(CancelUponCreatingTableShouldSucceed) {
+        CancelShouldSucceed([](TAutoPtr<IEventHandle>& ev) {
             if (ev->GetTypeRewrite() != TEvSchemeShard::EvModifySchemeTransaction) {
-                return false; 
-            } 
- 
+                return false;
+            }
+
             return ev->Get<TEvSchemeShard::TEvModifySchemeTransaction>()->Record
                 .GetTransaction(0).GetOperationType() == NKikimrSchemeOp::ESchemeOpCreateTable;
-        }); 
-    } 
- 
-    Y_UNIT_TEST(CancelUponTransferringShouldSucceed) { 
-        CancelShouldSucceed([](TAutoPtr<IEventHandle>& ev) { 
+        });
+    }
+
+    Y_UNIT_TEST(CancelUponTransferringShouldSucceed) {
+        CancelShouldSucceed([](TAutoPtr<IEventHandle>& ev) {
             if (ev->GetTypeRewrite() != TEvSchemeShard::EvModifySchemeTransaction) {
-                return false; 
-            } 
- 
+                return false;
+            }
+
             return ev->Get<TEvSchemeShard::TEvModifySchemeTransaction>()->Record
                 .GetTransaction(0).GetOperationType() == NKikimrSchemeOp::ESchemeOpRestore;
-        }); 
-    } 
- 
-    Y_UNIT_TEST(CancelUponBuildingIndicesShouldSucceed) { 
-        CancelShouldSucceed([](TAutoPtr<IEventHandle>& ev) { 
+        });
+    }
+
+    Y_UNIT_TEST(CancelUponBuildingIndicesShouldSucceed) {
+        CancelShouldSucceed([](TAutoPtr<IEventHandle>& ev) {
             if (ev->GetTypeRewrite() != TEvSchemeShard::EvModifySchemeTransaction) {
-                return false; 
-            } 
- 
+                return false;
+            }
+
             return ev->Get<TEvSchemeShard::TEvModifySchemeTransaction>()->Record
                 .GetTransaction(0).GetOperationType() == NKikimrSchemeOp::ESchemeOpApplyIndexBuild;
-        }); 
-    } 
-} 
- 
-Y_UNIT_TEST_SUITE(TImportWithRebootsTests) { 
-    void ShouldSucceed(const TString& scheme) { 
-        TPortManager portManager; 
-        const ui16 port = portManager.GetPort(); 
- 
-        const auto data = GenerateTestData(scheme, {{"a", 1}}); 
- 
-        TS3Mock s3Mock(ConvertTestData(data), TS3Mock::TSettings(port)); 
-        UNIT_ASSERT(s3Mock.Start()); 
- 
-        TTestWithReboots t; 
-        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) { 
-            { 
-                TInactiveZone inactive(activeZone); 
- 
-                runtime.SetLogPriority(NKikimrServices::DATASHARD_RESTORE, NActors::NLog::PRI_TRACE); 
-                runtime.SetLogPriority(NKikimrServices::IMPORT, NActors::NLog::PRI_TRACE); 
-            } 
- 
-            AsyncImport(runtime, ++t.TxId, "/MyRoot", Sprintf(R"( 
-                ImportFromS3Settings { 
-                  endpoint: "localhost:%d" 
-                  scheme: HTTP 
-                  items { 
-                    source_prefix: "" 
-                    destination_path: "/MyRoot/Table" 
-                  } 
-                } 
-            )", port)); 
-            t.TestEnv->TestWaitNotification(runtime, t.TxId); 
- 
-            { 
-                TInactiveZone inactive(activeZone); 
-                TestGetImport(runtime, t.TxId, "/MyRoot", { 
-                    Ydb::StatusIds::SUCCESS, 
-                    Ydb::StatusIds::NOT_FOUND 
-                }); 
-            } 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(ShouldSucceedOnSimpleTable) { 
-        ShouldSucceed(R"( 
-            columns { 
-              name: "key" 
-              type { optional_type { item { type_id: UTF8 } } } 
-            } 
-            columns { 
-              name: "value" 
-              type { optional_type { item { type_id: UTF8 } } } 
-            } 
-            primary_key: "key" 
-        )"); 
-    } 
- 
-    Y_UNIT_TEST(ShouldSucceedOnIndexedTable) { 
-        ShouldSucceed(R"( 
-            columns { 
-              name: "key" 
-              type { optional_type { item { type_id: UTF8 } } } 
-            } 
-            columns { 
-              name: "value" 
-              type { optional_type { item { type_id: UTF8 } } } 
-            } 
-            primary_key: "key" 
-            indexes { 
-              name: "by_value" 
-              index_columns: "value" 
-              global_index {} 
-            } 
-        )"); 
-    } 
- 
-    void CancelShouldSucceed(const TString& scheme) { 
-        TPortManager portManager; 
-        const ui16 port = portManager.GetPort(); 
- 
-        const auto data = GenerateTestData(scheme, {{"a", 1}}); 
- 
-        TS3Mock s3Mock(ConvertTestData(data), TS3Mock::TSettings(port)); 
-        UNIT_ASSERT(s3Mock.Start()); 
- 
-        TTestWithReboots t; 
-        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) { 
-            { 
-                TInactiveZone inactive(activeZone); 
- 
-                runtime.SetLogPriority(NKikimrServices::DATASHARD_RESTORE, NActors::NLog::PRI_TRACE); 
-                runtime.SetLogPriority(NKikimrServices::IMPORT, NActors::NLog::PRI_TRACE); 
-            } 
- 
-            AsyncImport(runtime, ++t.TxId, "/MyRoot", Sprintf(R"( 
-                ImportFromS3Settings { 
-                  endpoint: "localhost:%d" 
-                  scheme: HTTP 
-                  items { 
-                    source_prefix: "" 
-                    destination_path: "/MyRoot/Table" 
-                  } 
-                } 
-            )", port)); 
-            t.TestEnv->TestWaitNotification(runtime, t.TxId); 
-            const ui64 importId = t.TxId; 
- 
-            t.TestEnv->ReliablePropose(runtime, CancelImportRequest(++t.TxId, "/MyRoot", importId), { 
-                Ydb::StatusIds::SUCCESS, 
-                Ydb::StatusIds::NOT_FOUND 
-            }); 
-            t.TestEnv->TestWaitNotification(runtime, importId); 
- 
-            { 
-                TInactiveZone inactive(activeZone); 
-                TestGetImport(runtime, importId, "/MyRoot", { 
-                    Ydb::StatusIds::SUCCESS, 
-                    Ydb::StatusIds::CANCELLED, 
-                    Ydb::StatusIds::NOT_FOUND 
-                }); 
-            } 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(CancelShouldSucceedOnSimpleTable) { 
-        CancelShouldSucceed(R"( 
-            columns { 
-              name: "key" 
-              type { optional_type { item { type_id: UTF8 } } } 
-            } 
-            columns { 
-              name: "value" 
-              type { optional_type { item { type_id: UTF8 } } } 
-            } 
-            primary_key: "key" 
-        )"); 
-    } 
- 
-    Y_UNIT_TEST(CancelShouldSucceedOnIndexedTable) { 
-        CancelShouldSucceed(R"( 
-            columns { 
-              name: "key" 
-              type { optional_type { item { type_id: UTF8 } } } 
-            } 
-            columns { 
-              name: "value" 
-              type { optional_type { item { type_id: UTF8 } } } 
-            } 
-            primary_key: "key" 
-            indexes { 
-              name: "by_value" 
-              index_columns: "value" 
-              global_index {} 
-            } 
-        )"); 
-    } 
-} 
+        });
+    }
+}
+
+Y_UNIT_TEST_SUITE(TImportWithRebootsTests) {
+    void ShouldSucceed(const TString& scheme) {
+        TPortManager portManager;
+        const ui16 port = portManager.GetPort();
+
+        const auto data = GenerateTestData(scheme, {{"a", 1}});
+
+        TS3Mock s3Mock(ConvertTestData(data), TS3Mock::TSettings(port));
+        UNIT_ASSERT(s3Mock.Start());
+
+        TTestWithReboots t;
+        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) {
+            {
+                TInactiveZone inactive(activeZone);
+
+                runtime.SetLogPriority(NKikimrServices::DATASHARD_RESTORE, NActors::NLog::PRI_TRACE);
+                runtime.SetLogPriority(NKikimrServices::IMPORT, NActors::NLog::PRI_TRACE);
+            }
+
+            AsyncImport(runtime, ++t.TxId, "/MyRoot", Sprintf(R"(
+                ImportFromS3Settings {
+                  endpoint: "localhost:%d"
+                  scheme: HTTP
+                  items {
+                    source_prefix: ""
+                    destination_path: "/MyRoot/Table"
+                  }
+                }
+            )", port));
+            t.TestEnv->TestWaitNotification(runtime, t.TxId);
+
+            {
+                TInactiveZone inactive(activeZone);
+                TestGetImport(runtime, t.TxId, "/MyRoot", {
+                    Ydb::StatusIds::SUCCESS,
+                    Ydb::StatusIds::NOT_FOUND
+                });
+            }
+        });
+    }
+
+    Y_UNIT_TEST(ShouldSucceedOnSimpleTable) {
+        ShouldSucceed(R"(
+            columns {
+              name: "key"
+              type { optional_type { item { type_id: UTF8 } } }
+            }
+            columns {
+              name: "value"
+              type { optional_type { item { type_id: UTF8 } } }
+            }
+            primary_key: "key"
+        )");
+    }
+
+    Y_UNIT_TEST(ShouldSucceedOnIndexedTable) {
+        ShouldSucceed(R"(
+            columns {
+              name: "key"
+              type { optional_type { item { type_id: UTF8 } } }
+            }
+            columns {
+              name: "value"
+              type { optional_type { item { type_id: UTF8 } } }
+            }
+            primary_key: "key"
+            indexes {
+              name: "by_value"
+              index_columns: "value"
+              global_index {}
+            }
+        )");
+    }
+
+    void CancelShouldSucceed(const TString& scheme) {
+        TPortManager portManager;
+        const ui16 port = portManager.GetPort();
+
+        const auto data = GenerateTestData(scheme, {{"a", 1}});
+
+        TS3Mock s3Mock(ConvertTestData(data), TS3Mock::TSettings(port));
+        UNIT_ASSERT(s3Mock.Start());
+
+        TTestWithReboots t;
+        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) {
+            {
+                TInactiveZone inactive(activeZone);
+
+                runtime.SetLogPriority(NKikimrServices::DATASHARD_RESTORE, NActors::NLog::PRI_TRACE);
+                runtime.SetLogPriority(NKikimrServices::IMPORT, NActors::NLog::PRI_TRACE);
+            }
+
+            AsyncImport(runtime, ++t.TxId, "/MyRoot", Sprintf(R"(
+                ImportFromS3Settings {
+                  endpoint: "localhost:%d"
+                  scheme: HTTP
+                  items {
+                    source_prefix: ""
+                    destination_path: "/MyRoot/Table"
+                  }
+                }
+            )", port));
+            t.TestEnv->TestWaitNotification(runtime, t.TxId);
+            const ui64 importId = t.TxId;
+
+            t.TestEnv->ReliablePropose(runtime, CancelImportRequest(++t.TxId, "/MyRoot", importId), {
+                Ydb::StatusIds::SUCCESS,
+                Ydb::StatusIds::NOT_FOUND
+            });
+            t.TestEnv->TestWaitNotification(runtime, importId);
+
+            {
+                TInactiveZone inactive(activeZone);
+                TestGetImport(runtime, importId, "/MyRoot", {
+                    Ydb::StatusIds::SUCCESS,
+                    Ydb::StatusIds::CANCELLED,
+                    Ydb::StatusIds::NOT_FOUND
+                });
+            }
+        });
+    }
+
+    Y_UNIT_TEST(CancelShouldSucceedOnSimpleTable) {
+        CancelShouldSucceed(R"(
+            columns {
+              name: "key"
+              type { optional_type { item { type_id: UTF8 } } }
+            }
+            columns {
+              name: "value"
+              type { optional_type { item { type_id: UTF8 } } }
+            }
+            primary_key: "key"
+        )");
+    }
+
+    Y_UNIT_TEST(CancelShouldSucceedOnIndexedTable) {
+        CancelShouldSucceed(R"(
+            columns {
+              name: "key"
+              type { optional_type { item { type_id: UTF8 } } }
+            }
+            columns {
+              name: "value"
+              type { optional_type { item { type_id: UTF8 } } }
+            }
+            primary_key: "key"
+            indexes {
+              name: "by_value"
+              index_columns: "value"
+              global_index {}
+            }
+        )");
+    }
+}
diff --git a/ydb/core/tx/schemeshard/ut_restore/ya.make b/ydb/core/tx/schemeshard/ut_restore/ya.make
index b59c76a69a..b1768fc897 100644
--- a/ydb/core/tx/schemeshard/ut_restore/ya.make
+++ b/ydb/core/tx/schemeshard/ut_restore/ya.make
@@ -1,36 +1,36 @@
 UNITTEST_FOR(ydb/core/tx/schemeshard)
- 
-OWNER( 
-    ilnaz 
-    g:kikimr 
-) 
- 
-FORK_SUBTESTS() 
-
-SPLIT_FACTOR(60) 
- 
-IF (SANITIZER_TYPE OR WITH_VALGRIND) 
-    TIMEOUT(3600) 
-    SIZE(LARGE) 
-    TAG(ya:fat) 
-ELSE() 
-    TIMEOUT(600) 
-    SIZE(MEDIUM) 
-ENDIF() 
- 
-PEERDIR( 
-    contrib/libs/double-conversion 
-    library/cpp/string_utils/quote 
+
+OWNER(
+    ilnaz
+    g:kikimr
+)
+
+FORK_SUBTESTS()
+
+SPLIT_FACTOR(60)
+
+IF (SANITIZER_TYPE OR WITH_VALGRIND)
+    TIMEOUT(3600)
+    SIZE(LARGE)
+    TAG(ya:fat)
+ELSE()
+    TIMEOUT(600)
+    SIZE(MEDIUM)
+ENDIF()
+
+PEERDIR(
+    contrib/libs/double-conversion
+    library/cpp/string_utils/quote
     ydb/core/kqp/ut/common
     ydb/core/tx/schemeshard/ut_helpers
     ydb/core/wrappers/ut_helpers
     ydb/core/ydb_convert
-) 
- 
-SRCS( 
-    ut_restore.cpp 
-) 
- 
+)
+
+SRCS(
+    ut_restore.cpp
+)
+
 YQL_LAST_ABI_VERSION()
- 
-END() 
+
+END()
diff --git a/ydb/core/tx/schemeshard/ut_ru_calculator.cpp b/ydb/core/tx/schemeshard/ut_ru_calculator.cpp
index 2823192816..bb0e37459a 100644
--- a/ydb/core/tx/schemeshard/ut_ru_calculator.cpp
+++ b/ydb/core/tx/schemeshard/ut_ru_calculator.cpp
@@ -1,48 +1,48 @@
-#include "schemeshard_billing_helpers.h" 
- 
-#include <library/cpp/testing/unittest/registar.h> 
- 
-#include <util/generic/size_literals.h> 
- 
-namespace NKikimr { 
- 
-Y_UNIT_TEST_SUITE(TRUCalculatorTests) { 
+#include "schemeshard_billing_helpers.h"
+
+#include <library/cpp/testing/unittest/registar.h>
+
+#include <util/generic/size_literals.h>
+
+namespace NKikimr {
+
+Y_UNIT_TEST_SUITE(TRUCalculatorTests) {
     using TRUCalculator = NSchemeShard::TRUCalculator;
- 
-    Y_UNIT_TEST(TestReadTable) { 
-        const ui64 costPerMB = 128; // 1 MB = 128 RU 
- 
-        UNIT_ASSERT_VALUES_EQUAL(0  * costPerMB, TRUCalculator::ReadTable(0)); 
-        UNIT_ASSERT_VALUES_EQUAL(1  * costPerMB, TRUCalculator::ReadTable(1)); 
- 
-        UNIT_ASSERT_VALUES_EQUAL(1  * costPerMB, TRUCalculator::ReadTable(1_MB - 1)); 
-        UNIT_ASSERT_VALUES_EQUAL(1  * costPerMB, TRUCalculator::ReadTable(1_MB)); 
-        UNIT_ASSERT_VALUES_EQUAL(2  * costPerMB, TRUCalculator::ReadTable(1_MB + 1)); 
- 
-        UNIT_ASSERT_VALUES_EQUAL(2  * costPerMB, TRUCalculator::ReadTable(2_MB)); 
-        UNIT_ASSERT_VALUES_EQUAL(10 * costPerMB, TRUCalculator::ReadTable(10_MB)); 
-    } 
- 
-    Y_UNIT_TEST(TestBulkUpsert) { 
-        const ui64 x2CostPerKB = 1; // 1 KB = 0.5 RU 
- 
-        UNIT_ASSERT_VALUES_EQUAL(0 * x2CostPerKB, TRUCalculator::BulkUpsert(0, 0)); // 0 RU 
-        UNIT_ASSERT_VALUES_EQUAL(1 * x2CostPerKB, TRUCalculator::BulkUpsert(0, 1)); // 0.5 RU 
- 
-        UNIT_ASSERT_VALUES_EQUAL(1 * x2CostPerKB, TRUCalculator::BulkUpsert(1_KB - 1, 1)); // 0.5 RU 
-        UNIT_ASSERT_VALUES_EQUAL(1 * x2CostPerKB, TRUCalculator::BulkUpsert(1_KB - 1, 2)); // 1 RU 
- 
-        UNIT_ASSERT_VALUES_EQUAL(1 * x2CostPerKB, TRUCalculator::BulkUpsert(1_KB, 1)); // 0.5 RU 
-        UNIT_ASSERT_VALUES_EQUAL(1 * x2CostPerKB, TRUCalculator::BulkUpsert(1_KB, 2)); // 1 RU 
- 
-        UNIT_ASSERT_VALUES_EQUAL(1 * x2CostPerKB, TRUCalculator::BulkUpsert(1_KB + 1, 1)); // 1 RU 
-        UNIT_ASSERT_VALUES_EQUAL(1 * x2CostPerKB, TRUCalculator::BulkUpsert(1_KB + 1, 2)); // 1 RU 
-        UNIT_ASSERT_VALUES_EQUAL(2 * x2CostPerKB, TRUCalculator::BulkUpsert(1_KB + 1, 3)); // 1.5 RU 
- 
-        UNIT_ASSERT_VALUES_EQUAL(5 * x2CostPerKB, TRUCalculator::BulkUpsert(1_KB, 10)); // 5 RU 
-        UNIT_ASSERT_VALUES_EQUAL(5 * x2CostPerKB, TRUCalculator::BulkUpsert(10_KB, 1)); // 5 RU 
-        UNIT_ASSERT_VALUES_EQUAL(5 * x2CostPerKB, TRUCalculator::BulkUpsert(10_KB, 10)); // 5 RU 
-    } 
-} 
- 
-} // NKikimr 
+
+    Y_UNIT_TEST(TestReadTable) {
+        const ui64 costPerMB = 128; // 1 MB = 128 RU
+
+        UNIT_ASSERT_VALUES_EQUAL(0  * costPerMB, TRUCalculator::ReadTable(0));
+        UNIT_ASSERT_VALUES_EQUAL(1  * costPerMB, TRUCalculator::ReadTable(1));
+
+        UNIT_ASSERT_VALUES_EQUAL(1  * costPerMB, TRUCalculator::ReadTable(1_MB - 1));
+        UNIT_ASSERT_VALUES_EQUAL(1  * costPerMB, TRUCalculator::ReadTable(1_MB));
+        UNIT_ASSERT_VALUES_EQUAL(2  * costPerMB, TRUCalculator::ReadTable(1_MB + 1));
+
+        UNIT_ASSERT_VALUES_EQUAL(2  * costPerMB, TRUCalculator::ReadTable(2_MB));
+        UNIT_ASSERT_VALUES_EQUAL(10 * costPerMB, TRUCalculator::ReadTable(10_MB));
+    }
+
+    Y_UNIT_TEST(TestBulkUpsert) {
+        const ui64 x2CostPerKB = 1; // 1 KB = 0.5 RU
+
+        UNIT_ASSERT_VALUES_EQUAL(0 * x2CostPerKB, TRUCalculator::BulkUpsert(0, 0)); // 0 RU
+        UNIT_ASSERT_VALUES_EQUAL(1 * x2CostPerKB, TRUCalculator::BulkUpsert(0, 1)); // 0.5 RU
+
+        UNIT_ASSERT_VALUES_EQUAL(1 * x2CostPerKB, TRUCalculator::BulkUpsert(1_KB - 1, 1)); // 0.5 RU
+        UNIT_ASSERT_VALUES_EQUAL(1 * x2CostPerKB, TRUCalculator::BulkUpsert(1_KB - 1, 2)); // 1 RU
+
+        UNIT_ASSERT_VALUES_EQUAL(1 * x2CostPerKB, TRUCalculator::BulkUpsert(1_KB, 1)); // 0.5 RU
+        UNIT_ASSERT_VALUES_EQUAL(1 * x2CostPerKB, TRUCalculator::BulkUpsert(1_KB, 2)); // 1 RU
+
+        UNIT_ASSERT_VALUES_EQUAL(1 * x2CostPerKB, TRUCalculator::BulkUpsert(1_KB + 1, 1)); // 1 RU
+        UNIT_ASSERT_VALUES_EQUAL(1 * x2CostPerKB, TRUCalculator::BulkUpsert(1_KB + 1, 2)); // 1 RU
+        UNIT_ASSERT_VALUES_EQUAL(2 * x2CostPerKB, TRUCalculator::BulkUpsert(1_KB + 1, 3)); // 1.5 RU
+
+        UNIT_ASSERT_VALUES_EQUAL(5 * x2CostPerKB, TRUCalculator::BulkUpsert(1_KB, 10)); // 5 RU
+        UNIT_ASSERT_VALUES_EQUAL(5 * x2CostPerKB, TRUCalculator::BulkUpsert(10_KB, 1)); // 5 RU
+        UNIT_ASSERT_VALUES_EQUAL(5 * x2CostPerKB, TRUCalculator::BulkUpsert(10_KB, 10)); // 5 RU
+    }
+}
+
+} // NKikimr
diff --git a/ydb/core/tx/schemeshard/ut_ru_calculator/ya.make b/ydb/core/tx/schemeshard/ut_ru_calculator/ya.make
index d24647b434..013b3fb3c2 100644
--- a/ydb/core/tx/schemeshard/ut_ru_calculator/ya.make
+++ b/ydb/core/tx/schemeshard/ut_ru_calculator/ya.make
@@ -1,16 +1,16 @@
 UNITTEST_FOR(ydb/core/tx/schemeshard)
- 
-OWNER( 
-    ilnaz 
-    g:kikimr 
-) 
- 
-PEERDIR( 
-    library/cpp/testing/unittest 
-) 
- 
-SRCS( 
-    ut_ru_calculator.cpp 
-) 
- 
-END() 
+
+OWNER(
+    ilnaz
+    g:kikimr
+)
+
+PEERDIR(
+    library/cpp/testing/unittest
+)
+
+SRCS(
+    ut_ru_calculator.cpp
+)
+
+END()
diff --git a/ydb/core/tx/schemeshard/ut_subdomain.cpp b/ydb/core/tx/schemeshard/ut_subdomain.cpp
index 7d49f853ee..d0d30bf7da 100644
--- a/ydb/core/tx/schemeshard/ut_subdomain.cpp
+++ b/ydb/core/tx/schemeshard/ut_subdomain.cpp
@@ -110,7 +110,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardSubDomainTest) {
         TestDescribeResult(DescribePath(runtime, "/MyRoot/USER_0"),
                            {NLs::PathExist});
 
-        TestRmDir(runtime, txId++, "/MyRoot", "USER_0", {NKikimrScheme::StatusPathIsNotDirectory}); 
+        TestRmDir(runtime, txId++, "/MyRoot", "USER_0", {NKikimrScheme::StatusPathIsNotDirectory});
     }
 
     Y_UNIT_TEST(CreateAndWait) {
@@ -353,7 +353,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardSubDomainTest) {
         TestDescribeResult(DescribePath(runtime, "/MyRoot/USER_0/dir_0"),
                            {NLs::InSubdomain,
                             NLs::PathVersionEqual(5)});
-        TestDescribeResult(DescribePath(runtime, "/MyRoot/USER_0/dir_0/table_1"), 
+        TestDescribeResult(DescribePath(runtime, "/MyRoot/USER_0/dir_0/table_1"),
                            {NLs::InSubdomain,
                             NLs::PathVersionEqual(3)});
     }
@@ -814,7 +814,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardSubDomainTest) {
                             NLs::PathsInsideDomain(2),
                             NLs::ShardsInsideDomain(0)});
 
-        TestConsistentCopyTables(runtime, txId++, "/", R"( 
+        TestConsistentCopyTables(runtime, txId++, "/", R"(
             CopyTableDescriptions {
                 SrcPath: "/MyRoot/USER_0/table"
                 DstPath: "/MyRoot/USER_1/dst"
@@ -824,7 +824,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardSubDomainTest) {
                 DstPath: "/MyRoot/USER_0/dst"
             })", {NKikimrScheme::StatusInvalidParameter});
 
-        TestConsistentCopyTables(runtime, txId++, "/", R"( 
+        TestConsistentCopyTables(runtime, txId++, "/", R"(
             CopyTableDescriptions {
                 SrcPath: "/MyRoot/USER_0/table"
                 DstPath: "/MyRoot/USER_0/dst"
@@ -835,7 +835,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardSubDomainTest) {
             })", {NKikimrScheme::StatusInvalidParameter});
 
 
-        TestConsistentCopyTables(runtime, txId++, "/", R"( 
+        TestConsistentCopyTables(runtime, txId++, "/", R"(
             CopyTableDescriptions {
                 SrcPath: "/MyRoot/USER_0/table"
                 DstPath: "/MyRoot/USER_0/dst"
@@ -1680,7 +1680,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardSubDomainTest) {
     }
 
 
-    Y_UNIT_TEST(SimultaneousDefine) { 
+    Y_UNIT_TEST(SimultaneousDefine) {
         TTestBasicRuntime runtime;
         TTestEnv env(runtime);
         ui64 txId = 100;
@@ -1907,9 +1907,9 @@ Y_UNIT_TEST_SUITE(TSchemeShardSubDomainTest) {
         TTestEnv env(runtime);
         ui64 txId = 100;
 
-        TSchemeLimits lowLimits; 
-        lowLimits.MaxPaths = 3; 
-        lowLimits.MaxShards = 3; 
+        TSchemeLimits lowLimits;
+        lowLimits.MaxPaths = 3;
+        lowLimits.MaxShards = 3;
         lowLimits.MaxPQPartitions = 300;
 
         SetSchemeshardSchemaLimits(runtime, lowLimits);
@@ -1950,16 +1950,16 @@ Y_UNIT_TEST_SUITE(TSchemeShardSubDomainTest) {
         TTestEnv env(runtime);
         ui64 txId = 100;
 
-        TSchemeLimits lowLimits; 
-        lowLimits.MaxDepth = 4; 
-        lowLimits.MaxPaths = 3; 
-        lowLimits.MaxChildrenInDir = 3; 
-        lowLimits.MaxAclBytesSize = 25; 
-        lowLimits.MaxTableColumns = 3; 
-        lowLimits.MaxTableColumnNameLength = 10; 
-        lowLimits.MaxTableKeyColumns = 1; 
+        TSchemeLimits lowLimits;
+        lowLimits.MaxDepth = 4;
+        lowLimits.MaxPaths = 3;
+        lowLimits.MaxChildrenInDir = 3;
+        lowLimits.MaxAclBytesSize = 25;
+        lowLimits.MaxTableColumns = 3;
+        lowLimits.MaxTableColumnNameLength = 10;
+        lowLimits.MaxTableKeyColumns = 1;
         lowLimits.MaxShards = 6;
-        lowLimits.MaxShardsInPath = 4; 
+        lowLimits.MaxShardsInPath = 4;
         lowLimits.MaxPQPartitions = 20;
 
 
@@ -2103,7 +2103,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardSubDomainTest) {
                 UNIT_ASSERT_EQUAL(tableDest.size(), 1);
                 dataShardId = tableDest.begin()->GetDatashardId();
             };
-            TestDescribeResult(DescribePath(runtime, "/MyRoot/USER_0/1/2", true), 
+            TestDescribeResult(DescribePath(runtime, "/MyRoot/USER_0/1/2", true),
                                {NLs::PathExist,
                                 NLs::PathVersionEqual(3),
                                 NLs::DomainLimitsIs(lowLimits.MaxPaths, lowLimits.MaxShards),
@@ -2184,129 +2184,129 @@ Y_UNIT_TEST_SUITE(TSchemeShardSubDomainTest) {
                                 NLs::ShardsInsideDomain(2)});
         }
 
-        //create tables, column limits 
-        { 
-            TestMkDir(runtime, txId++, "/MyRoot/USER_0", "1"); 
-            env.TestWaitNotification(runtime, txId - 1); 
- 
-            // MaxTableColumns 
-            TestCreateTable(runtime, txId++, "/MyRoot/USER_0/1", R"( 
-                            Name: "2" 
-                            Columns { Name: "RowId" Type: "Uint64" } 
-                            Columns { Name: "Value0" Type: "Utf8" } 
-                            Columns { Name: "Value1" Type: "Utf8" } 
-                            Columns { Name: "Value2" Type: "Utf8" } 
-                            KeyColumnNames: ["RowId"] 
+        //create tables, column limits
+        {
+            TestMkDir(runtime, txId++, "/MyRoot/USER_0", "1");
+            env.TestWaitNotification(runtime, txId - 1);
+
+            // MaxTableColumns
+            TestCreateTable(runtime, txId++, "/MyRoot/USER_0/1", R"(
+                            Name: "2"
+                            Columns { Name: "RowId" Type: "Uint64" }
+                            Columns { Name: "Value0" Type: "Utf8" }
+                            Columns { Name: "Value1" Type: "Utf8" }
+                            Columns { Name: "Value2" Type: "Utf8" }
+                            KeyColumnNames: ["RowId"]
                 )", {NKikimrScheme::StatusSchemeError});
- 
-            // MaxTableColumnNameLength 
-            TestCreateTable(runtime, txId++, "/MyRoot/USER_0/1", R"( 
-                            Name: "3" 
-                            Columns { Name: "RowId" Type: "Uint64" } 
-                            Columns { Name: "VeryLongColumnName" Type: "Utf8" } 
-                            KeyColumnNames: ["RowId"] 
+
+            // MaxTableColumnNameLength
+            TestCreateTable(runtime, txId++, "/MyRoot/USER_0/1", R"(
+                            Name: "3"
+                            Columns { Name: "RowId" Type: "Uint64" }
+                            Columns { Name: "VeryLongColumnName" Type: "Utf8" }
+                            KeyColumnNames: ["RowId"]
                 )", {NKikimrScheme::StatusSchemeError});
- 
-            // MaxTableKeyColumns 
-            TestCreateTable(runtime, txId++, "/MyRoot/USER_0/1", R"( 
-                            Name: "4" 
-                            Columns { Name: "RowId0" Type: "Uint64" } 
-                            Columns { Name: "RowId1" Type: "Uint64" } 
-                            Columns { Name: "Value" Type: "Utf8" } 
-                            KeyColumnNames: ["RowId0", "RowId1"] 
+
+            // MaxTableKeyColumns
+            TestCreateTable(runtime, txId++, "/MyRoot/USER_0/1", R"(
+                            Name: "4"
+                            Columns { Name: "RowId0" Type: "Uint64" }
+                            Columns { Name: "RowId1" Type: "Uint64" }
+                            Columns { Name: "Value" Type: "Utf8" }
+                            KeyColumnNames: ["RowId0", "RowId1"]
                 )", {NKikimrScheme::StatusSchemeError});
-        } 
- 
-        //clear 
-        { 
-            auto dirVer = TestDescribeResult(DescribePath(runtime, "/MyRoot/USER_0/1")); 
+        }
+
+        //clear
+        {
+            auto dirVer = TestDescribeResult(DescribePath(runtime, "/MyRoot/USER_0/1"));
             TestForceDropUnsafe(runtime, txId++, dirVer.PathId.LocalPathId);
-            env.TestWaitNotification(runtime, txId - 1); 
-            TestDescribeResult(DescribePath(runtime, "/MyRoot/USER_0"), 
-                               {NLs::PathExist, 
+            env.TestWaitNotification(runtime, txId - 1);
+            TestDescribeResult(DescribePath(runtime, "/MyRoot/USER_0"),
+                               {NLs::PathExist,
                                 NLs::PathVersionEqual(18),
-                                NLs::DomainLimitsIs(lowLimits.MaxPaths, lowLimits.MaxShards), 
-                                NLs::PathsInsideDomain(0), 
+                                NLs::DomainLimitsIs(lowLimits.MaxPaths, lowLimits.MaxShards),
+                                NLs::PathsInsideDomain(0),
                                 NLs::ShardsInsideDomain(2)});
-        } 
- 
-        //create dirs, acl size limit 
-        { 
-            TestMkDir(runtime, txId++, "/MyRoot/USER_0", "1"); 
-            env.TestWaitNotification(runtime, txId - 1); 
- 
-            NACLib::TDiffACL tinyACL; 
-            tinyACL.AddAccess(NACLib::EAccessType::Allow, NACLib::GenericUse, "user0@builtin"); 
-            TestModifyACL(runtime, txId++, "/MyRoot/USER_0", "1", tinyACL.SerializeAsString(), "user0@builtin"); 
- 
-            NACLib::TDiffACL hugeACL; 
-            for (ui32 i : xrange(100)) { 
-                hugeACL.AddAccess(NACLib::EAccessType::Allow, NACLib::GenericUse, Sprintf("user%" PRIu32 "@builtin", i)); 
-            } 
-            TestModifyACL(runtime, txId++, "/MyRoot/USER_0", "1", hugeACL.SerializeAsString(), "user0@builtin", 
+        }
+
+        //create dirs, acl size limit
+        {
+            TestMkDir(runtime, txId++, "/MyRoot/USER_0", "1");
+            env.TestWaitNotification(runtime, txId - 1);
+
+            NACLib::TDiffACL tinyACL;
+            tinyACL.AddAccess(NACLib::EAccessType::Allow, NACLib::GenericUse, "user0@builtin");
+            TestModifyACL(runtime, txId++, "/MyRoot/USER_0", "1", tinyACL.SerializeAsString(), "user0@builtin");
+
+            NACLib::TDiffACL hugeACL;
+            for (ui32 i : xrange(100)) {
+                hugeACL.AddAccess(NACLib::EAccessType::Allow, NACLib::GenericUse, Sprintf("user%" PRIu32 "@builtin", i));
+            }
+            TestModifyACL(runtime, txId++, "/MyRoot/USER_0", "1", hugeACL.SerializeAsString(), "user0@builtin",
                           NKikimrScheme::StatusInvalidParameter);
-        } 
- 
-        //clear 
-        { 
-            auto dirVer = TestDescribeResult(DescribePath(runtime, "/MyRoot/USER_0/1")); 
+        }
+
+        //clear
+        {
+            auto dirVer = TestDescribeResult(DescribePath(runtime, "/MyRoot/USER_0/1"));
             TestForceDropUnsafe(runtime, txId++, dirVer.PathId.LocalPathId);
-            env.TestWaitNotification(runtime, txId - 1); 
-            TestDescribeResult(DescribePath(runtime, "/MyRoot/USER_0"), 
-                               {NLs::PathExist, 
+            env.TestWaitNotification(runtime, txId - 1);
+            TestDescribeResult(DescribePath(runtime, "/MyRoot/USER_0"),
+                               {NLs::PathExist,
                                 NLs::PathVersionEqual(24),
-                                NLs::DomainLimitsIs(lowLimits.MaxPaths, lowLimits.MaxShards), 
-                                NLs::PathsInsideDomain(0), 
+                                NLs::DomainLimitsIs(lowLimits.MaxPaths, lowLimits.MaxShards),
+                                NLs::PathsInsideDomain(0),
                                 NLs::ShardsInsideDomain(2)});
-        } 
- 
-        //create tables, consistent copy targets limit 
-        lowLimits.MaxPaths = 5; 
-        lowLimits.MaxChildrenInDir = 4; 
-        lowLimits.MaxConsistentCopyTargets = 1; 
-        SetSchemeshardSchemaLimits(runtime, lowLimits); 
-        { 
-            TestMkDir(runtime, txId++, "/MyRoot/USER_0", "1"); 
-            TestCreateTable(runtime, txId++, "/MyRoot/USER_0/1", R"( 
-                            Name: "2" 
-                            Columns { Name: "RowId" Type: "Uint64" } 
-                            Columns { Name: "Value" Type: "Utf8" } 
-                            KeyColumnNames: ["RowId"] 
-                            UniformPartitionsCount: 1 
-                )"); 
-            TestCreateTable(runtime, txId++, "/MyRoot/USER_0/1", R"( 
-                            Name: "3" 
-                            Columns { Name: "RowId" Type: "Uint64" } 
-                            Columns { Name: "Value" Type: "Utf8" } 
-                            KeyColumnNames: ["RowId"] 
-                            UniformPartitionsCount: 1 
-                )"); 
-            env.TestWaitNotification(runtime, {txId - 1, txId - 2, txId - 3}); 
- 
-            TestConsistentCopyTables(runtime, txId++, "/", R"( 
-                CopyTableDescriptions { 
-                    SrcPath: "/MyRoot/USER_0/1/2" 
-                    DstPath: "/MyRoot/USER_0/1/12" 
-                } 
-                CopyTableDescriptions { 
-                    SrcPath: "/MyRoot/USER_0/1/3" 
-                    DstPath: "/MyRoot/USER_0/1/13" 
+        }
+
+        //create tables, consistent copy targets limit
+        lowLimits.MaxPaths = 5;
+        lowLimits.MaxChildrenInDir = 4;
+        lowLimits.MaxConsistentCopyTargets = 1;
+        SetSchemeshardSchemaLimits(runtime, lowLimits);
+        {
+            TestMkDir(runtime, txId++, "/MyRoot/USER_0", "1");
+            TestCreateTable(runtime, txId++, "/MyRoot/USER_0/1", R"(
+                            Name: "2"
+                            Columns { Name: "RowId" Type: "Uint64" }
+                            Columns { Name: "Value" Type: "Utf8" }
+                            KeyColumnNames: ["RowId"]
+                            UniformPartitionsCount: 1
+                )");
+            TestCreateTable(runtime, txId++, "/MyRoot/USER_0/1", R"(
+                            Name: "3"
+                            Columns { Name: "RowId" Type: "Uint64" }
+                            Columns { Name: "Value" Type: "Utf8" }
+                            KeyColumnNames: ["RowId"]
+                            UniformPartitionsCount: 1
+                )");
+            env.TestWaitNotification(runtime, {txId - 1, txId - 2, txId - 3});
+
+            TestConsistentCopyTables(runtime, txId++, "/", R"(
+                CopyTableDescriptions {
+                    SrcPath: "/MyRoot/USER_0/1/2"
+                    DstPath: "/MyRoot/USER_0/1/12"
+                }
+                CopyTableDescriptions {
+                    SrcPath: "/MyRoot/USER_0/1/3"
+                    DstPath: "/MyRoot/USER_0/1/13"
                 })", {NKikimrScheme::StatusInvalidParameter});
-        } 
- 
-        //clear 
-        { 
-            auto dirVer = TestDescribeResult(DescribePath(runtime, "/MyRoot/USER_0/1")); 
+        }
+
+        //clear
+        {
+            auto dirVer = TestDescribeResult(DescribePath(runtime, "/MyRoot/USER_0/1"));
             TestForceDropUnsafe(runtime, txId++, dirVer.PathId.LocalPathId);
-            env.TestWaitNotification(runtime, txId - 1); 
-            TestDescribeResult(DescribePath(runtime, "/MyRoot/USER_0"), 
-                               {NLs::PathExist, 
+            env.TestWaitNotification(runtime, txId - 1);
+            TestDescribeResult(DescribePath(runtime, "/MyRoot/USER_0"),
+                               {NLs::PathExist,
                                 NLs::PathVersionEqual(28),
-                                NLs::DomainLimitsIs(lowLimits.MaxPaths, lowLimits.MaxShards), 
-                                NLs::PathsInsideDomain(0), 
+                                NLs::DomainLimitsIs(lowLimits.MaxPaths, lowLimits.MaxShards),
+                                NLs::PathsInsideDomain(0),
                                 NLs::ShardsInsideDomain(2)});
-        } 
- 
+        }
+
 
         //databaseQuotas limits
         {
@@ -2421,13 +2421,13 @@ Y_UNIT_TEST_SUITE(TSchemeShardSubDomainTest) {
         TTestEnv env(runtime);
         ui64 txId = 100;
 
-        TSchemeLimits lowLimits; 
-        lowLimits.MaxDepth = 4; 
-        lowLimits.MaxPaths = 5; 
-        lowLimits.MaxChildrenInDir = 3; 
-        lowLimits.MaxTableIndices = 4; 
+        TSchemeLimits lowLimits;
+        lowLimits.MaxDepth = 4;
+        lowLimits.MaxPaths = 5;
+        lowLimits.MaxChildrenInDir = 3;
+        lowLimits.MaxTableIndices = 4;
         lowLimits.MaxShards = 7;
-        lowLimits.MaxShardsInPath = 4; 
+        lowLimits.MaxShardsInPath = 4;
         lowLimits.ExtraPathSymbolsAllowed = "_.-";
         SetSchemeshardSchemaLimits(runtime, lowLimits);
 
@@ -2573,44 +2573,44 @@ Y_UNIT_TEST_SUITE(TSchemeShardSubDomainTest) {
 
             env.TestWaitNotification(runtime, {txId - 1, txId - 2, txId - 3, txId - 4, txId - 5, txId - 6});
         }
- 
-        // MaxTableIndices 
-        { 
-            TestCreateIndexedTable(runtime, txId++, "/MyRoot/USER_0", R"( 
-                TableDescription { 
-                  Name: "Table7" 
-                  Columns { Name: "RowId" Type: "Uint64" } 
-                  Columns { Name: "Value0" Type: "Utf8" } 
-                  Columns { Name: "Value1" Type: "Utf8" } 
-                  Columns { Name: "Value2" Type: "Utf8" } 
-                  Columns { Name: "Value3" Type: "Utf8" } 
-                  Columns { Name: "Value4" Type: "Utf8" } 
-                  KeyColumnNames: ["RowId"] 
-                } 
-                IndexDescription { 
-                  Name: "UserDefinedIndexByValue0" 
-                  KeyColumnNames: ["Value0"] 
-                } 
-                IndexDescription { 
-                  Name: "UserDefinedIndexByValue1" 
-                  KeyColumnNames: ["Value1"] 
-                } 
-                IndexDescription { 
-                  Name: "UserDefinedIndexByValue2" 
-                  KeyColumnNames: ["Value2"] 
-                } 
-                IndexDescription { 
-                  Name: "UserDefinedIndexByValue3" 
-                  KeyColumnNames: ["Value3"] 
-                } 
-                IndexDescription { 
-                  Name: "UserDefinedIndexByValue4" 
-                  KeyColumnNames: ["Value4"] 
-                } 
+
+        // MaxTableIndices
+        {
+            TestCreateIndexedTable(runtime, txId++, "/MyRoot/USER_0", R"(
+                TableDescription {
+                  Name: "Table7"
+                  Columns { Name: "RowId" Type: "Uint64" }
+                  Columns { Name: "Value0" Type: "Utf8" }
+                  Columns { Name: "Value1" Type: "Utf8" }
+                  Columns { Name: "Value2" Type: "Utf8" }
+                  Columns { Name: "Value3" Type: "Utf8" }
+                  Columns { Name: "Value4" Type: "Utf8" }
+                  KeyColumnNames: ["RowId"]
+                }
+                IndexDescription {
+                  Name: "UserDefinedIndexByValue0"
+                  KeyColumnNames: ["Value0"]
+                }
+                IndexDescription {
+                  Name: "UserDefinedIndexByValue1"
+                  KeyColumnNames: ["Value1"]
+                }
+                IndexDescription {
+                  Name: "UserDefinedIndexByValue2"
+                  KeyColumnNames: ["Value2"]
+                }
+                IndexDescription {
+                  Name: "UserDefinedIndexByValue3"
+                  KeyColumnNames: ["Value3"]
+                }
+                IndexDescription {
+                  Name: "UserDefinedIndexByValue4"
+                  KeyColumnNames: ["Value4"]
+                }
             )", {NKikimrScheme::StatusResourceExhausted});
- 
-            env.TestWaitNotification(runtime, txId - 1); 
-        } 
+
+            env.TestWaitNotification(runtime, txId - 1);
+        }
     }
 
     Y_UNIT_TEST(SchemeLimitsCreatePq) {
@@ -2806,95 +2806,95 @@ Y_UNIT_TEST_SUITE(TSchemeShardSubDomainTest) {
                             KeyColumnNames: ["key"]
                 )", {NKikimrScheme::StatusAccepted});
     }
- 
-    Y_UNIT_TEST(DiskSpaceUsage) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime, TTestEnvOptions().EnablePersistentPartitionStats(true)); 
-        const auto sender = runtime.AllocateEdgeActor(); 
- 
-        auto writeRow = [&](ui64 tabletId, ui32 key, const TString& value, const char* table) { 
-            NKikimrMiniKQL::TResult result; 
-            TString error; 
+
+    Y_UNIT_TEST(DiskSpaceUsage) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime, TTestEnvOptions().EnablePersistentPartitionStats(true));
+        const auto sender = runtime.AllocateEdgeActor();
+
+        auto writeRow = [&](ui64 tabletId, ui32 key, const TString& value, const char* table) {
+            NKikimrMiniKQL::TResult result;
+            TString error;
             NKikimrProto::EReplyStatus status = LocalMiniKQL(runtime, tabletId, Sprintf(R"(
-                ( 
-                    (let key   '( '('key (Uint32 '%u ) ) ) ) 
-                    (let row   '( '('value (Utf8 '%s) ) ) ) 
-                    (return (AsList (UpdateRow '__user__%s key row) )) 
-                ) 
-            )", key, value.c_str(), table), result, error); 
- 
+                (
+                    (let key   '( '('key (Uint32 '%u ) ) ) )
+                    (let row   '( '('value (Utf8 '%s) ) ) )
+                    (return (AsList (UpdateRow '__user__%s key row) ))
+                )
+            )", key, value.c_str(), table), result, error);
+
             UNIT_ASSERT_VALUES_EQUAL_C(status, NKikimrProto::EReplyStatus::OK, error);
-            UNIT_ASSERT_VALUES_EQUAL(error, ""); 
-        }; 
- 
-        auto waitForTableStats = [&](ui32 shards) { 
-            TDispatchOptions options; 
-            options.FinalEvents.push_back(TDispatchOptions::TFinalEventCondition(TEvDataShard::EvPeriodicTableStats, shards)); 
-            runtime.DispatchEvents(options); 
-        }; 
- 
-        auto getDiskSpaceUsage = [&]() { 
-            NKikimrSubDomains::TDiskSpaceUsage result; 
- 
-            TestDescribeResult( 
-                DescribePath(runtime, "/MyRoot"), { 
-                    NLs::PathExist, 
+            UNIT_ASSERT_VALUES_EQUAL(error, "");
+        };
+
+        auto waitForTableStats = [&](ui32 shards) {
+            TDispatchOptions options;
+            options.FinalEvents.push_back(TDispatchOptions::TFinalEventCondition(TEvDataShard::EvPeriodicTableStats, shards));
+            runtime.DispatchEvents(options);
+        };
+
+        auto getDiskSpaceUsage = [&]() {
+            NKikimrSubDomains::TDiskSpaceUsage result;
+
+            TestDescribeResult(
+                DescribePath(runtime, "/MyRoot"), {
+                    NLs::PathExist,
                     NLs::Finished, [&result] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
-                        result = record.GetPathDescription().GetDomainDescription().GetDiskSpaceUsage(); 
-                    } 
-                } 
-            ); 
- 
-            return result; 
-        }; 
- 
+                        result = record.GetPathDescription().GetDomainDescription().GetDiskSpaceUsage();
+                    }
+                }
+            );
+
+            return result;
+        };
+
         ui64 tabletId = TTestTxConfig::FakeHiveTablets;
-        ui64 txId = 100; 
- 
-        // single-shard table 
-        { 
-            TestCreateTable(runtime, ++txId, "/MyRoot", R"( 
-                Name: "Table1" 
-                Columns { Name: "key" Type: "Uint32"} 
-                Columns { Name: "value" Type: "Utf8"} 
-                KeyColumnNames: ["key"] 
+        ui64 txId = 100;
+
+        // single-shard table
+        {
+            TestCreateTable(runtime, ++txId, "/MyRoot", R"(
+                Name: "Table1"
+                Columns { Name: "key" Type: "Uint32"}
+                Columns { Name: "value" Type: "Utf8"}
+                KeyColumnNames: ["key"]
             )", {NKikimrScheme::StatusAccepted});
-            env.TestWaitNotification(runtime, txId); 
- 
-            writeRow(tabletId, 1, "value1", "Table1"); 
-            waitForTableStats(1); 
- 
-            auto du = getDiskSpaceUsage(); 
-            UNIT_ASSERT_C(du.GetTables().GetTotalSize() > 0, du.ShortDebugString()); 
- 
+            env.TestWaitNotification(runtime, txId);
+
+            writeRow(tabletId, 1, "value1", "Table1");
+            waitForTableStats(1);
+
+            auto du = getDiskSpaceUsage();
+            UNIT_ASSERT_C(du.GetTables().GetTotalSize() > 0, du.ShortDebugString());
+
             RebootTablet(runtime, TTestTxConfig::SchemeShard, sender);
-            UNIT_ASSERT_VALUES_EQUAL(du.ShortDebugString(), getDiskSpaceUsage().ShortDebugString()); 
-        } 
- 
-        // multi-shard table 
-        { 
-            tabletId = tabletId + 1; 
- 
-            TestCreateTable(runtime, ++txId, "/MyRoot", R"( 
-                Name: "Table2" 
-                Columns { Name: "key" Type: "Uint32"} 
-                Columns { Name: "value" Type: "Utf8"} 
-                KeyColumnNames: ["key"] 
-                UniformPartitionsCount: 2 
+            UNIT_ASSERT_VALUES_EQUAL(du.ShortDebugString(), getDiskSpaceUsage().ShortDebugString());
+        }
+
+        // multi-shard table
+        {
+            tabletId = tabletId + 1;
+
+            TestCreateTable(runtime, ++txId, "/MyRoot", R"(
+                Name: "Table2"
+                Columns { Name: "key" Type: "Uint32"}
+                Columns { Name: "value" Type: "Utf8"}
+                KeyColumnNames: ["key"]
+                UniformPartitionsCount: 2
             )", {NKikimrScheme::StatusAccepted});
-            env.TestWaitNotification(runtime, txId); 
- 
-            writeRow(tabletId + 0, 1, "value1", "Table2"); 
-            writeRow(tabletId + 1, 2, "value2", "Table2"); 
-            waitForTableStats(1 /* Table1 */ + 2 /* Table2 */); 
- 
-            auto du = getDiskSpaceUsage(); 
-            UNIT_ASSERT_C(du.GetTables().GetTotalSize() > 0, du.ShortDebugString()); 
- 
+            env.TestWaitNotification(runtime, txId);
+
+            writeRow(tabletId + 0, 1, "value1", "Table2");
+            writeRow(tabletId + 1, 2, "value2", "Table2");
+            waitForTableStats(1 /* Table1 */ + 2 /* Table2 */);
+
+            auto du = getDiskSpaceUsage();
+            UNIT_ASSERT_C(du.GetTables().GetTotalSize() > 0, du.ShortDebugString());
+
             RebootTablet(runtime, TTestTxConfig::SchemeShard, sender);
-            UNIT_ASSERT_VALUES_EQUAL(du.ShortDebugString(), getDiskSpaceUsage().ShortDebugString()); 
-        } 
-    } 
+            UNIT_ASSERT_VALUES_EQUAL(du.ShortDebugString(), getDiskSpaceUsage().ShortDebugString());
+        }
+    }
 
     Y_UNIT_TEST(DiskSpaceQuotas) {
         TTestBasicRuntime runtime;
diff --git a/ydb/core/tx/schemeshard/ut_ttl.cpp b/ydb/core/tx/schemeshard/ut_ttl.cpp
index 7f3232fe95..d512ad0033 100644
--- a/ydb/core/tx/schemeshard/ut_ttl.cpp
+++ b/ydb/core/tx/schemeshard/ut_ttl.cpp
@@ -2,361 +2,361 @@
 #include <ydb/core/tx/schemeshard/ut_helpers/helpers.h>
 #include <ydb/core/tx/schemeshard/schemeshard_private.h>
 #include <ydb/core/tx/datashard/datashard.h>
- 
-using namespace NKikimr; 
+
+using namespace NKikimr;
 using namespace NSchemeShard;
-using namespace NSchemeShardUT_Private; 
- 
-static void CheckTTLSettings(TTestActorRuntime& runtime, const char* tableName = "TTLEnabledTable") { 
-    TestDescribeResult( 
-        DescribePath(runtime, Sprintf("/MyRoot/%s", tableName)), { 
-            NLs::PathExist, 
+using namespace NSchemeShardUT_Private;
+
+static void CheckTTLSettings(TTestActorRuntime& runtime, const char* tableName = "TTLEnabledTable") {
+    TestDescribeResult(
+        DescribePath(runtime, Sprintf("/MyRoot/%s", tableName)), {
+            NLs::PathExist,
             NLs::Finished, [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
-                const auto& table = record.GetPathDescription().GetTable(); 
-                UNIT_ASSERT(table.HasTTLSettings()); 
- 
-                const auto& ttl = table.GetTTLSettings(); 
-                UNIT_ASSERT(ttl.HasEnabled()); 
-                UNIT_ASSERT_VALUES_EQUAL(ttl.GetEnabled().GetColumnName(), "modified_at"); 
-                UNIT_ASSERT_VALUES_EQUAL(ttl.GetEnabled().GetExpireAfterSeconds(), 3600); 
-            } 
-        } 
-    ); 
-} 
- 
-Y_UNIT_TEST_SUITE(TSchemeShardTTLTests) { 
-    void CreateTableShouldSucceed(const char* name, const char* ttlColumnType, const char* unit = "UNIT_AUTO") { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime); 
-        ui64 txId = 100; 
- 
-        TestCreateTable(runtime, ++txId, "/MyRoot", Sprintf(R"( 
-            Name: "%s" 
-            Columns { Name: "key" Type: "Uint64" } 
-            Columns { Name: "modified_at" Type: "%s" } 
-            KeyColumnNames: ["key"] 
-            TTLSettings { 
-              Enabled { 
-                ColumnName: "modified_at" 
-                ExpireAfterSeconds: 3600 
-                ColumnUnit: %s 
-              } 
-            } 
-        )", name, ttlColumnType, unit)); 
-        env.TestWaitNotification(runtime, txId); 
-        CheckTTLSettings(runtime, name); 
-    } 
- 
-    Y_UNIT_TEST(CreateTableShouldSucceed) { 
-        for (auto ct : {"Date", "Datetime", "Timestamp"}) { 
-            CreateTableShouldSucceed(Sprintf("TTLTableWith%sColumn", ct).data(), ct); 
-        } 
- 
-        for (auto ct : {"Uint32", "Uint64", "DyNumber"}) { 
-            for (auto unit : {"UNIT_SECONDS", "UNIT_MILLISECONDS", "UNIT_MICROSECONDS", "UNIT_NANOSECONDS"}) { 
-                CreateTableShouldSucceed(Sprintf("TTLTableWith%sColumn_%s", ct, unit).data(), ct, unit); 
-            } 
-        } 
-    } 
- 
-    Y_UNIT_TEST(CreateTableShouldFailOnUnknownColumn) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime); 
-        ui64 txId = 100; 
- 
-        TestCreateTable(runtime, ++txId, "/MyRoot", R"( 
-            Name: "TTLEnabledTable" 
-            Columns { Name: "key" Type: "Uint64" } 
-            Columns { Name: "modified_at" Type: "Timestamp" } 
-            KeyColumnNames: ["key"] 
-            TTLSettings { 
-              Enabled { 
-                ColumnName: "created_at" 
-              } 
-            } 
+                const auto& table = record.GetPathDescription().GetTable();
+                UNIT_ASSERT(table.HasTTLSettings());
+
+                const auto& ttl = table.GetTTLSettings();
+                UNIT_ASSERT(ttl.HasEnabled());
+                UNIT_ASSERT_VALUES_EQUAL(ttl.GetEnabled().GetColumnName(), "modified_at");
+                UNIT_ASSERT_VALUES_EQUAL(ttl.GetEnabled().GetExpireAfterSeconds(), 3600);
+            }
+        }
+    );
+}
+
+Y_UNIT_TEST_SUITE(TSchemeShardTTLTests) {
+    void CreateTableShouldSucceed(const char* name, const char* ttlColumnType, const char* unit = "UNIT_AUTO") {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime);
+        ui64 txId = 100;
+
+        TestCreateTable(runtime, ++txId, "/MyRoot", Sprintf(R"(
+            Name: "%s"
+            Columns { Name: "key" Type: "Uint64" }
+            Columns { Name: "modified_at" Type: "%s" }
+            KeyColumnNames: ["key"]
+            TTLSettings {
+              Enabled {
+                ColumnName: "modified_at"
+                ExpireAfterSeconds: 3600
+                ColumnUnit: %s
+              }
+            }
+        )", name, ttlColumnType, unit));
+        env.TestWaitNotification(runtime, txId);
+        CheckTTLSettings(runtime, name);
+    }
+
+    Y_UNIT_TEST(CreateTableShouldSucceed) {
+        for (auto ct : {"Date", "Datetime", "Timestamp"}) {
+            CreateTableShouldSucceed(Sprintf("TTLTableWith%sColumn", ct).data(), ct);
+        }
+
+        for (auto ct : {"Uint32", "Uint64", "DyNumber"}) {
+            for (auto unit : {"UNIT_SECONDS", "UNIT_MILLISECONDS", "UNIT_MICROSECONDS", "UNIT_NANOSECONDS"}) {
+                CreateTableShouldSucceed(Sprintf("TTLTableWith%sColumn_%s", ct, unit).data(), ct, unit);
+            }
+        }
+    }
+
+    Y_UNIT_TEST(CreateTableShouldFailOnUnknownColumn) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime);
+        ui64 txId = 100;
+
+        TestCreateTable(runtime, ++txId, "/MyRoot", R"(
+            Name: "TTLEnabledTable"
+            Columns { Name: "key" Type: "Uint64" }
+            Columns { Name: "modified_at" Type: "Timestamp" }
+            KeyColumnNames: ["key"]
+            TTLSettings {
+              Enabled {
+                ColumnName: "created_at"
+              }
+            }
         )", {NKikimrScheme::StatusSchemeError});
-    } 
- 
-    Y_UNIT_TEST(CreateTableShouldFailOnWrongColumnType) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime); 
-        ui64 txId = 100; 
- 
-        TestCreateTable(runtime, ++txId, "/MyRoot", R"( 
-            Name: "TTLEnabledTable" 
-            Columns { Name: "key" Type: "Uint64" } 
-            Columns { Name: "modified_at" Type: "String" } 
-            KeyColumnNames: ["key"] 
-            TTLSettings { 
-              Enabled { 
-                ColumnName: "modified_at" 
-              } 
-            } 
+    }
+
+    Y_UNIT_TEST(CreateTableShouldFailOnWrongColumnType) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime);
+        ui64 txId = 100;
+
+        TestCreateTable(runtime, ++txId, "/MyRoot", R"(
+            Name: "TTLEnabledTable"
+            Columns { Name: "key" Type: "Uint64" }
+            Columns { Name: "modified_at" Type: "String" }
+            KeyColumnNames: ["key"]
+            TTLSettings {
+              Enabled {
+                ColumnName: "modified_at"
+              }
+            }
         )", {NKikimrScheme::StatusSchemeError});
-    } 
- 
-    void CreateTableShouldFailOnWrongUnit(const char* ttlColumnType, const char* unit) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime); 
-        ui64 txId = 100; 
- 
-        TestCreateTable(runtime, ++txId, "/MyRoot", Sprintf(R"( 
-            Name: "TTLEnabledTable" 
-            Columns { Name: "key" Type: "Uint64" } 
-            Columns { Name: "modified_at" Type: "%s" } 
-            KeyColumnNames: ["key"] 
-            TTLSettings { 
-              Enabled { 
-                ColumnName: "modified_at" 
-                ColumnUnit: %s 
-              } 
-            } 
+    }
+
+    void CreateTableShouldFailOnWrongUnit(const char* ttlColumnType, const char* unit) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime);
+        ui64 txId = 100;
+
+        TestCreateTable(runtime, ++txId, "/MyRoot", Sprintf(R"(
+            Name: "TTLEnabledTable"
+            Columns { Name: "key" Type: "Uint64" }
+            Columns { Name: "modified_at" Type: "%s" }
+            KeyColumnNames: ["key"]
+            TTLSettings {
+              Enabled {
+                ColumnName: "modified_at"
+                ColumnUnit: %s
+              }
+            }
         )", ttlColumnType, unit), {NKikimrScheme::StatusSchemeError});
-    } 
- 
-    Y_UNIT_TEST(CreateTableShouldFailOnWrongUnit) { 
-        for (auto ct : {"Date", "Datetime", "Timestamp"}) { 
-            for (auto unit : {"UNIT_SECONDS", "UNIT_MILLISECONDS", "UNIT_MICROSECONDS", "UNIT_NANOSECONDS"}) { 
-                CreateTableShouldFailOnWrongUnit(ct, unit); 
-            } 
-        } 
- 
-        for (auto ct : {"Uint32", "Uint64", "DyNumber"}) { 
-            CreateTableShouldFailOnWrongUnit(ct, "UNIT_AUTO"); 
-        } 
-    } 
- 
-    Y_UNIT_TEST(CreateTableShouldFailOnUnspecifiedTTL) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime); 
-        ui64 txId = 100; 
- 
-        TestCreateTable(runtime, ++txId, "/MyRoot", R"( 
-            Name: "TTLEnabledTable" 
-            Columns { Name: "key" Type: "Uint64" } 
-            Columns { Name: "modified_at" Type: "Timestamp" } 
-            KeyColumnNames: ["key"] 
-            TTLSettings { 
-            } 
+    }
+
+    Y_UNIT_TEST(CreateTableShouldFailOnWrongUnit) {
+        for (auto ct : {"Date", "Datetime", "Timestamp"}) {
+            for (auto unit : {"UNIT_SECONDS", "UNIT_MILLISECONDS", "UNIT_MICROSECONDS", "UNIT_NANOSECONDS"}) {
+                CreateTableShouldFailOnWrongUnit(ct, unit);
+            }
+        }
+
+        for (auto ct : {"Uint32", "Uint64", "DyNumber"}) {
+            CreateTableShouldFailOnWrongUnit(ct, "UNIT_AUTO");
+        }
+    }
+
+    Y_UNIT_TEST(CreateTableShouldFailOnUnspecifiedTTL) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime);
+        ui64 txId = 100;
+
+        TestCreateTable(runtime, ++txId, "/MyRoot", R"(
+            Name: "TTLEnabledTable"
+            Columns { Name: "key" Type: "Uint64" }
+            Columns { Name: "modified_at" Type: "Timestamp" }
+            KeyColumnNames: ["key"]
+            TTLSettings {
+            }
         )", {NKikimrScheme::StatusSchemeError});
-    } 
- 
-    void CreateTableOnIndexedTable(NKikimrSchemeOp::EIndexType indexType, bool enableTtlOnAsyncIndexedTables = false) { 
-        const auto opts = TTestEnvOptions() 
-            .EnableAsyncIndexes(true) 
-            .EnableTtlOnAsyncIndexedTables(enableTtlOnAsyncIndexedTables); 
- 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime, opts); 
-        ui64 txId = 100; 
- 
-        const bool shouldSucceed = (indexType != NKikimrSchemeOp::EIndexTypeGlobalAsync || enableTtlOnAsyncIndexedTables); 
-        const auto status = shouldSucceed 
+    }
+
+    void CreateTableOnIndexedTable(NKikimrSchemeOp::EIndexType indexType, bool enableTtlOnAsyncIndexedTables = false) {
+        const auto opts = TTestEnvOptions()
+            .EnableAsyncIndexes(true)
+            .EnableTtlOnAsyncIndexedTables(enableTtlOnAsyncIndexedTables);
+
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime, opts);
+        ui64 txId = 100;
+
+        const bool shouldSucceed = (indexType != NKikimrSchemeOp::EIndexTypeGlobalAsync || enableTtlOnAsyncIndexedTables);
+        const auto status = shouldSucceed
             ? NKikimrScheme::StatusAccepted
             : NKikimrScheme::StatusPreconditionFailed;
- 
-        TestCreateIndexedTable(runtime, ++txId, "/MyRoot", Sprintf(R"( 
-            TableDescription { 
-              Name: "TTLEnabledTable" 
-              Columns { Name: "key" Type: "Uint64" } 
-              Columns { Name: "modified_at" Type: "Timestamp" } 
-              KeyColumnNames: ["key"] 
-              TTLSettings { 
-                Enabled { 
-                  ColumnName: "modified_at" 
-                  ExpireAfterSeconds: 3600 
-                } 
-              } 
-            } 
-            IndexDescription { 
-              Name: "UserDefinedIndexByExpireAt" 
-              KeyColumnNames: ["modified_at"] 
-              Type: %s 
-            } 
-        )", NKikimrSchemeOp::EIndexType_Name(indexType).c_str()), {status}); 
- 
-        if (shouldSucceed) { 
-            env.TestWaitNotification(runtime, txId); 
-            CheckTTLSettings(runtime); 
-        } 
-    } 
- 
-    Y_UNIT_TEST(CreateTableShouldSucceedOnIndexedTable) { 
-        CreateTableOnIndexedTable(NKikimrSchemeOp::EIndexTypeGlobal); 
-    } 
- 
-    Y_UNIT_TEST(CreateTableShouldFailOnAsyncIndexedTable) { 
-        CreateTableOnIndexedTable(NKikimrSchemeOp::EIndexTypeGlobalAsync, false); 
-    } 
- 
-    Y_UNIT_TEST(CreateTableShouldSucceedAsyncOnIndexedTable) { 
-        CreateTableOnIndexedTable(NKikimrSchemeOp::EIndexTypeGlobalAsync, true); 
-    } 
- 
-    Y_UNIT_TEST(AlterTableShouldSuccess) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime); 
-        ui64 txId = 100; 
- 
-        TestCreateTable(runtime, ++txId, "/MyRoot", R"( 
-            Name: "TTLEnabledTable" 
-            Columns { Name: "key" Type: "Uint64" } 
-            Columns { Name: "modified_at" Type: "Timestamp" } 
-            KeyColumnNames: ["key"] 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        TestAlterTable(runtime, ++txId, "/MyRoot", R"( 
-            Name: "TTLEnabledTable" 
-            TTLSettings { 
-              Enabled { 
-                ColumnName: "modified_at" 
-                ExpireAfterSeconds: 3600 
-              } 
-            } 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
-        CheckTTLSettings(runtime); 
- 
-        TestAlterTable(runtime, ++txId, "/MyRoot", R"( 
-            Name: "TTLEnabledTable" 
-            DropColumns { Name: "modified_at" } 
+
+        TestCreateIndexedTable(runtime, ++txId, "/MyRoot", Sprintf(R"(
+            TableDescription {
+              Name: "TTLEnabledTable"
+              Columns { Name: "key" Type: "Uint64" }
+              Columns { Name: "modified_at" Type: "Timestamp" }
+              KeyColumnNames: ["key"]
+              TTLSettings {
+                Enabled {
+                  ColumnName: "modified_at"
+                  ExpireAfterSeconds: 3600
+                }
+              }
+            }
+            IndexDescription {
+              Name: "UserDefinedIndexByExpireAt"
+              KeyColumnNames: ["modified_at"]
+              Type: %s
+            }
+        )", NKikimrSchemeOp::EIndexType_Name(indexType).c_str()), {status});
+
+        if (shouldSucceed) {
+            env.TestWaitNotification(runtime, txId);
+            CheckTTLSettings(runtime);
+        }
+    }
+
+    Y_UNIT_TEST(CreateTableShouldSucceedOnIndexedTable) {
+        CreateTableOnIndexedTable(NKikimrSchemeOp::EIndexTypeGlobal);
+    }
+
+    Y_UNIT_TEST(CreateTableShouldFailOnAsyncIndexedTable) {
+        CreateTableOnIndexedTable(NKikimrSchemeOp::EIndexTypeGlobalAsync, false);
+    }
+
+    Y_UNIT_TEST(CreateTableShouldSucceedAsyncOnIndexedTable) {
+        CreateTableOnIndexedTable(NKikimrSchemeOp::EIndexTypeGlobalAsync, true);
+    }
+
+    Y_UNIT_TEST(AlterTableShouldSuccess) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime);
+        ui64 txId = 100;
+
+        TestCreateTable(runtime, ++txId, "/MyRoot", R"(
+            Name: "TTLEnabledTable"
+            Columns { Name: "key" Type: "Uint64" }
+            Columns { Name: "modified_at" Type: "Timestamp" }
+            KeyColumnNames: ["key"]
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        TestAlterTable(runtime, ++txId, "/MyRoot", R"(
+            Name: "TTLEnabledTable"
+            TTLSettings {
+              Enabled {
+                ColumnName: "modified_at"
+                ExpireAfterSeconds: 3600
+              }
+            }
+        )");
+        env.TestWaitNotification(runtime, txId);
+        CheckTTLSettings(runtime);
+
+        TestAlterTable(runtime, ++txId, "/MyRoot", R"(
+            Name: "TTLEnabledTable"
+            DropColumns { Name: "modified_at" }
         )", {NKikimrScheme::StatusInvalidParameter});
- 
-        TestAlterTable(runtime, ++txId, "/MyRoot", R"( 
-            Name: "TTLEnabledTable" 
-            TTLSettings { 
-              Disabled { 
-              } 
-            } 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
-        TestDescribeResult( 
-            DescribePath(runtime, "/MyRoot/TTLEnabledTable"), { 
-                NLs::PathExist, 
+
+        TestAlterTable(runtime, ++txId, "/MyRoot", R"(
+            Name: "TTLEnabledTable"
+            TTLSettings {
+              Disabled {
+              }
+            }
+        )");
+        env.TestWaitNotification(runtime, txId);
+        TestDescribeResult(
+            DescribePath(runtime, "/MyRoot/TTLEnabledTable"), {
+                NLs::PathExist,
                 NLs::Finished, [=] (const NKikimrScheme::TEvDescribeSchemeResult& record) {
-                    const auto& table = record.GetPathDescription().GetTable(); 
-                    UNIT_ASSERT(table.HasTTLSettings()); 
-                    UNIT_ASSERT(table.GetTTLSettings().HasDisabled()); 
-                } 
-            } 
-        ); 
-    } 
- 
-    Y_UNIT_TEST(AlterTableShouldSuccessOnSimultaneousAddColumnAndEnableTTL) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime); 
-        ui64 txId = 100; 
- 
-        TestCreateTable(runtime, ++txId, "/MyRoot", R"( 
-            Name: "TTLEnabledTable" 
-            Columns { Name: "key" Type: "Uint64" } 
-            KeyColumnNames: ["key"] 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        TestAlterTable(runtime, ++txId, "/MyRoot", R"( 
-            Name: "TTLEnabledTable" 
-            Columns { Name: "modified_at" Type: "Timestamp" } 
-            TTLSettings { 
-              Enabled { 
-                ColumnName: "modified_at" 
-                ExpireAfterSeconds: 3600 
-              } 
-            } 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
-        CheckTTLSettings(runtime); 
-    } 
- 
-    Y_UNIT_TEST(AlterTableShouldFailOnSimultaneousDropColumnAndEnableTTL) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime); 
-        ui64 txId = 100; 
- 
-        TestCreateTable(runtime, ++txId, "/MyRoot", R"( 
-            Name: "TTLEnabledTable" 
-            Columns { Name: "key" Type: "Uint64" } 
-            Columns { Name: "modified_at" Type: "Timestamp" } 
-            KeyColumnNames: ["key"] 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        TestAlterTable(runtime, ++txId, "/MyRoot", R"( 
-            Name: "TTLEnabledTable" 
-            DropColumns { Name: "modified_at" } 
-            TTLSettings { 
-              Enabled { 
-                ColumnName: "modified_at" 
-              } 
-            } 
+                    const auto& table = record.GetPathDescription().GetTable();
+                    UNIT_ASSERT(table.HasTTLSettings());
+                    UNIT_ASSERT(table.GetTTLSettings().HasDisabled());
+                }
+            }
+        );
+    }
+
+    Y_UNIT_TEST(AlterTableShouldSuccessOnSimultaneousAddColumnAndEnableTTL) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime);
+        ui64 txId = 100;
+
+        TestCreateTable(runtime, ++txId, "/MyRoot", R"(
+            Name: "TTLEnabledTable"
+            Columns { Name: "key" Type: "Uint64" }
+            KeyColumnNames: ["key"]
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        TestAlterTable(runtime, ++txId, "/MyRoot", R"(
+            Name: "TTLEnabledTable"
+            Columns { Name: "modified_at" Type: "Timestamp" }
+            TTLSettings {
+              Enabled {
+                ColumnName: "modified_at"
+                ExpireAfterSeconds: 3600
+              }
+            }
+        )");
+        env.TestWaitNotification(runtime, txId);
+        CheckTTLSettings(runtime);
+    }
+
+    Y_UNIT_TEST(AlterTableShouldFailOnSimultaneousDropColumnAndEnableTTL) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime);
+        ui64 txId = 100;
+
+        TestCreateTable(runtime, ++txId, "/MyRoot", R"(
+            Name: "TTLEnabledTable"
+            Columns { Name: "key" Type: "Uint64" }
+            Columns { Name: "modified_at" Type: "Timestamp" }
+            KeyColumnNames: ["key"]
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        TestAlterTable(runtime, ++txId, "/MyRoot", R"(
+            Name: "TTLEnabledTable"
+            DropColumns { Name: "modified_at" }
+            TTLSettings {
+              Enabled {
+                ColumnName: "modified_at"
+              }
+            }
         )", {NKikimrScheme::StatusInvalidParameter});
-    } 
- 
-    void AlterTableOnIndexedTable(NKikimrSchemeOp::EIndexType indexType, bool enableTtlOnAsyncIndexedTables = false) { 
-        const auto opts = TTestEnvOptions() 
-            .EnableAsyncIndexes(true) 
-            .EnableTtlOnAsyncIndexedTables(enableTtlOnAsyncIndexedTables); 
- 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime, opts); 
-        ui64 txId = 100; 
- 
-        TestCreateIndexedTable(runtime, ++txId, "/MyRoot", Sprintf(R"( 
-            TableDescription { 
-              Name: "TTLEnabledTable" 
-              Columns { Name: "key" Type: "Uint64" } 
-              Columns { Name: "modified_at" Type: "Timestamp" } 
-              KeyColumnNames: ["key"] 
-            } 
-            IndexDescription { 
-              Name: "UserDefinedIndexByExpireAt" 
-              KeyColumnNames: ["modified_at"] 
-              Type: %s 
-            } 
-        )", NKikimrSchemeOp::EIndexType_Name(indexType).c_str())); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        const bool shouldSucceed = (indexType != NKikimrSchemeOp::EIndexTypeGlobalAsync || enableTtlOnAsyncIndexedTables); 
-        const auto status = shouldSucceed 
+    }
+
+    void AlterTableOnIndexedTable(NKikimrSchemeOp::EIndexType indexType, bool enableTtlOnAsyncIndexedTables = false) {
+        const auto opts = TTestEnvOptions()
+            .EnableAsyncIndexes(true)
+            .EnableTtlOnAsyncIndexedTables(enableTtlOnAsyncIndexedTables);
+
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime, opts);
+        ui64 txId = 100;
+
+        TestCreateIndexedTable(runtime, ++txId, "/MyRoot", Sprintf(R"(
+            TableDescription {
+              Name: "TTLEnabledTable"
+              Columns { Name: "key" Type: "Uint64" }
+              Columns { Name: "modified_at" Type: "Timestamp" }
+              KeyColumnNames: ["key"]
+            }
+            IndexDescription {
+              Name: "UserDefinedIndexByExpireAt"
+              KeyColumnNames: ["modified_at"]
+              Type: %s
+            }
+        )", NKikimrSchemeOp::EIndexType_Name(indexType).c_str()));
+        env.TestWaitNotification(runtime, txId);
+
+        const bool shouldSucceed = (indexType != NKikimrSchemeOp::EIndexTypeGlobalAsync || enableTtlOnAsyncIndexedTables);
+        const auto status = shouldSucceed
             ? NKikimrScheme::StatusAccepted
             : NKikimrScheme::StatusPreconditionFailed;
- 
-        TestAlterTable(runtime, ++txId, "/MyRoot", R"( 
-            Name: "TTLEnabledTable" 
-            TTLSettings { 
-              Enabled { 
-                ColumnName: "modified_at" 
-                ExpireAfterSeconds: 3600 
-              } 
-            } 
-        )", {status}); 
- 
-        if (shouldSucceed) { 
-            env.TestWaitNotification(runtime, txId); 
-            CheckTTLSettings(runtime); 
-        } 
-    } 
- 
-    Y_UNIT_TEST(AlterTableShouldSucceedOnIndexedTable) { 
-        AlterTableOnIndexedTable(NKikimrSchemeOp::EIndexTypeGlobal); 
-    } 
- 
-    Y_UNIT_TEST(AlterTableShouldFailOnAsyncIndexedTable) { 
-        AlterTableOnIndexedTable(NKikimrSchemeOp::EIndexTypeGlobalAsync, false); 
-    } 
- 
-    Y_UNIT_TEST(AlterTableShouldSucceedOnAsyncIndexedTable) { 
-        AlterTableOnIndexedTable(NKikimrSchemeOp::EIndexTypeGlobalAsync, true); 
-    } 
- 
-    void BuildIndex(NKikimrSchemeOp::EIndexType indexType, bool enableTtlOnAsyncIndexedTables = false) { 
-        const auto opts = TTestEnvOptions() 
-            .EnableAsyncIndexes(true) 
-            .EnableTtlOnAsyncIndexedTables(enableTtlOnAsyncIndexedTables); 
- 
+
+        TestAlterTable(runtime, ++txId, "/MyRoot", R"(
+            Name: "TTLEnabledTable"
+            TTLSettings {
+              Enabled {
+                ColumnName: "modified_at"
+                ExpireAfterSeconds: 3600
+              }
+            }
+        )", {status});
+
+        if (shouldSucceed) {
+            env.TestWaitNotification(runtime, txId);
+            CheckTTLSettings(runtime);
+        }
+    }
+
+    Y_UNIT_TEST(AlterTableShouldSucceedOnIndexedTable) {
+        AlterTableOnIndexedTable(NKikimrSchemeOp::EIndexTypeGlobal);
+    }
+
+    Y_UNIT_TEST(AlterTableShouldFailOnAsyncIndexedTable) {
+        AlterTableOnIndexedTable(NKikimrSchemeOp::EIndexTypeGlobalAsync, false);
+    }
+
+    Y_UNIT_TEST(AlterTableShouldSucceedOnAsyncIndexedTable) {
+        AlterTableOnIndexedTable(NKikimrSchemeOp::EIndexTypeGlobalAsync, true);
+    }
+
+    void BuildIndex(NKikimrSchemeOp::EIndexType indexType, bool enableTtlOnAsyncIndexedTables = false) {
+        const auto opts = TTestEnvOptions()
+            .EnableAsyncIndexes(true)
+            .EnableTtlOnAsyncIndexedTables(enableTtlOnAsyncIndexedTables);
+
         TTestBasicRuntime runtime;
-        TTestEnv env(runtime, opts); 
+        TTestEnv env(runtime, opts);
         ui64 txId = 100;
 
         TestCreateTable(runtime, ++txId, "/MyRoot", R"(
@@ -375,469 +375,469 @@ Y_UNIT_TEST_SUITE(TSchemeShardTTLTests) {
         env.TestWaitNotification(runtime, txId);
         CheckTTLSettings(runtime);
 
-        const bool shouldSucceed = (indexType != NKikimrSchemeOp::EIndexTypeGlobalAsync || enableTtlOnAsyncIndexedTables); 
-        const auto status = shouldSucceed 
-            ? Ydb::StatusIds::SUCCESS 
-            : Ydb::StatusIds::PRECONDITION_FAILED; 
+        const bool shouldSucceed = (indexType != NKikimrSchemeOp::EIndexTypeGlobalAsync || enableTtlOnAsyncIndexedTables);
+        const auto status = shouldSucceed
+            ? Ydb::StatusIds::SUCCESS
+            : Ydb::StatusIds::PRECONDITION_FAILED;
 
         TestBuilIndex(runtime, ++txId, TTestTxConfig::SchemeShard, "/MyRoot", "/MyRoot/TTLEnabledTable",
-            TBuildIndexConfig{"UserDefinedIndexByValue", indexType, {"value"}, {}}, status); 
- 
-        if (shouldSucceed) { 
-            env.TestWaitNotification(runtime, txId); 
-            TestDescribeResult(DescribePath(runtime, "/MyRoot/TTLEnabledTable"), { 
+            TBuildIndexConfig{"UserDefinedIndexByValue", indexType, {"value"}, {}}, status);
+
+        if (shouldSucceed) {
+            env.TestWaitNotification(runtime, txId);
+            TestDescribeResult(DescribePath(runtime, "/MyRoot/TTLEnabledTable"), {
                 NLs::PathExist,
                 NLs::Finished,
-                NLs::IndexesCount(1), 
-            }); 
-        } 
+                NLs::IndexesCount(1),
+            });
+        }
+    }
+
+    Y_UNIT_TEST(BuildIndexShouldSucceed) {
+        BuildIndex(NKikimrSchemeOp::EIndexTypeGlobal);
+    }
+
+    Y_UNIT_TEST(BuildAsyncIndexShouldFail) {
+        BuildIndex(NKikimrSchemeOp::EIndexTypeGlobalAsync, false);
+    }
+
+    Y_UNIT_TEST(BuildAsyncIndexShouldSucceed) {
+        BuildIndex(NKikimrSchemeOp::EIndexTypeGlobalAsync, true);
+    }
+
+    using TEvCondEraseReq = TEvDataShard::TEvConditionalEraseRowsRequest;
+    using TEvCondEraseResp = TEvDataShard::TEvConditionalEraseRowsResponse;
+
+    void WaitForCondErase(TTestActorRuntimeBase& runtime, TEvCondEraseResp::ProtoRecordType::EStatus status = TEvCondEraseResp::ProtoRecordType::OK) {
+        TDispatchOptions opts;
+        opts.FinalEvents.emplace_back([status](IEventHandle& ev) -> bool {
+            if (ev.GetTypeRewrite() != TEvCondEraseResp::EventType) {
+                return false;
+            }
+
+            auto resp = ev.Get<TEvCondEraseResp>();
+            if (resp->Record.GetStatus() == TEvCondEraseResp::ProtoRecordType::ACCEPTED) {
+                return false;
+            }
+
+            UNIT_ASSERT_VALUES_EQUAL_C(resp->Record.GetStatus(), status, resp->Record.GetErrorDescription());
+            return true;
+        });
+
+        runtime.DispatchEvents(opts);
     }
- 
-    Y_UNIT_TEST(BuildIndexShouldSucceed) { 
-        BuildIndex(NKikimrSchemeOp::EIndexTypeGlobal); 
-    } 
- 
-    Y_UNIT_TEST(BuildAsyncIndexShouldFail) { 
-        BuildIndex(NKikimrSchemeOp::EIndexTypeGlobalAsync, false); 
-    } 
- 
-    Y_UNIT_TEST(BuildAsyncIndexShouldSucceed) { 
-        BuildIndex(NKikimrSchemeOp::EIndexTypeGlobalAsync, true); 
-    } 
- 
-    using TEvCondEraseReq = TEvDataShard::TEvConditionalEraseRowsRequest; 
-    using TEvCondEraseResp = TEvDataShard::TEvConditionalEraseRowsResponse; 
- 
-    void WaitForCondErase(TTestActorRuntimeBase& runtime, TEvCondEraseResp::ProtoRecordType::EStatus status = TEvCondEraseResp::ProtoRecordType::OK) { 
-        TDispatchOptions opts; 
-        opts.FinalEvents.emplace_back([status](IEventHandle& ev) -> bool { 
-            if (ev.GetTypeRewrite() != TEvCondEraseResp::EventType) { 
-                return false; 
-            } 
- 
-            auto resp = ev.Get<TEvCondEraseResp>(); 
-            if (resp->Record.GetStatus() == TEvCondEraseResp::ProtoRecordType::ACCEPTED) { 
-                return false; 
-            } 
- 
-            UNIT_ASSERT_VALUES_EQUAL_C(resp->Record.GetStatus(), status, resp->Record.GetErrorDescription()); 
-            return true; 
-        }); 
- 
-        runtime.DispatchEvents(opts); 
-    } 
- 
-    Y_UNIT_TEST(ConditionalErase) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime); 
- 
-        auto writeRow = [&](ui64 tabletId, ui64 key, TInstant ts, const char* table, const char* ct = "Timestamp") { 
-            NKikimrMiniKQL::TResult result; 
-            TString error; 
+
+    Y_UNIT_TEST(ConditionalErase) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime);
+
+        auto writeRow = [&](ui64 tabletId, ui64 key, TInstant ts, const char* table, const char* ct = "Timestamp") {
+            NKikimrMiniKQL::TResult result;
+            TString error;
             NKikimrProto::EReplyStatus status = LocalMiniKQL(runtime, tabletId, Sprintf(R"(
-                ( 
-                    (let key   '( '('key (Uint64 '%lu ) ) ) ) 
-                    (let row   '( '('ts (%s '%lu) ) ) ) 
-                    (return (AsList (UpdateRow '__user__%s key row) )) 
-                ) 
-            )", key, ct, ts.GetValue(), table), result, error); 
- 
+                (
+                    (let key   '( '('key (Uint64 '%lu ) ) ) )
+                    (let row   '( '('ts (%s '%lu) ) ) )
+                    (return (AsList (UpdateRow '__user__%s key row) ))
+                )
+            )", key, ct, ts.GetValue(), table), result, error);
+
             UNIT_ASSERT_VALUES_EQUAL_C(status, NKikimrProto::EReplyStatus::OK, error);
-            UNIT_ASSERT_VALUES_EQUAL(error, ""); 
-        }; 
- 
-        auto readTable = [&](ui64 tabletId, const char* table) { 
-            NKikimrMiniKQL::TResult result; 
-            TString error; 
+            UNIT_ASSERT_VALUES_EQUAL(error, "");
+        };
+
+        auto readTable = [&](ui64 tabletId, const char* table) {
+            NKikimrMiniKQL::TResult result;
+            TString error;
             NKikimrProto::EReplyStatus status = LocalMiniKQL(runtime, tabletId, Sprintf(R"(
-                ( 
-                    (let range '( '('key (Uint64 '0) (Void) ))) 
-                    (let columns '('key) ) 
-                    (let result (SelectRange '__user__%s range columns '())) 
-                    (return (AsList (SetResult 'Result result) )) 
-                ) 
-            )", table), result, error); 
- 
+                (
+                    (let range '( '('key (Uint64 '0) (Void) )))
+                    (let columns '('key) )
+                    (let result (SelectRange '__user__%s range columns '()))
+                    (return (AsList (SetResult 'Result result) ))
+                )
+            )", table), result, error);
+
             UNIT_ASSERT_VALUES_EQUAL_C(status, NKikimrProto::EReplyStatus::OK, error);
-            UNIT_ASSERT_VALUES_EQUAL(error, ""); 
- 
-            return result; 
-        }; 
- 
-        auto waitForScheduleCondErase = [&]() { 
-            TDispatchOptions options; 
-            options.FinalEvents.push_back(TDispatchOptions::TFinalEventCondition(TEvPrivate::EvRunConditionalErase)); 
-            runtime.DispatchEvents(options); 
-        }; 
- 
-        auto setAllowConditionalEraseOperations = [&](bool value) { 
-            TAtomic unused; 
-            runtime.GetAppData().Icb->SetValue("SchemeShard_AllowConditionalEraseOperations", value, unused); 
-        }; 
- 
-        const TInstant now = TInstant::ParseIso8601("2020-09-18T18:00:00.000000Z"); 
-        runtime.UpdateCurrentTime(now); 
- 
+            UNIT_ASSERT_VALUES_EQUAL(error, "");
+
+            return result;
+        };
+
+        auto waitForScheduleCondErase = [&]() {
+            TDispatchOptions options;
+            options.FinalEvents.push_back(TDispatchOptions::TFinalEventCondition(TEvPrivate::EvRunConditionalErase));
+            runtime.DispatchEvents(options);
+        };
+
+        auto setAllowConditionalEraseOperations = [&](bool value) {
+            TAtomic unused;
+            runtime.GetAppData().Icb->SetValue("SchemeShard_AllowConditionalEraseOperations", value, unused);
+        };
+
+        const TInstant now = TInstant::ParseIso8601("2020-09-18T18:00:00.000000Z");
+        runtime.UpdateCurrentTime(now);
+
         ui64 tabletId = TTestTxConfig::FakeHiveTablets;
-        ui64 txId = 100; 
- 
-        { 
-            TestCreateTable(runtime, ++txId, "/MyRoot", R"( 
-                Name: "TTLEnabledTable1" 
-                Columns { Name: "key" Type: "Uint64" } 
-                Columns { Name: "ts" Type: "Timestamp" } 
-                KeyColumnNames: ["key"] 
-                TTLSettings { 
-                  Enabled { 
-                    ColumnName: "ts" 
-                  } 
-                } 
-            )"); 
-            env.TestWaitNotification(runtime, txId); 
- 
-            writeRow(tabletId, 1, now, "TTLEnabledTable1"); 
-            { 
-                auto result = readTable(tabletId, "TTLEnabledTable1"); 
+        ui64 txId = 100;
+
+        {
+            TestCreateTable(runtime, ++txId, "/MyRoot", R"(
+                Name: "TTLEnabledTable1"
+                Columns { Name: "key" Type: "Uint64" }
+                Columns { Name: "ts" Type: "Timestamp" }
+                KeyColumnNames: ["key"]
+                TTLSettings {
+                  Enabled {
+                    ColumnName: "ts"
+                  }
+                }
+            )");
+            env.TestWaitNotification(runtime, txId);
+
+            writeRow(tabletId, 1, now, "TTLEnabledTable1");
+            {
+                auto result = readTable(tabletId, "TTLEnabledTable1");
                 NKqp::CompareYson(R"([[[[[["1"]]];%false]]])", result);
-            } 
- 
-            runtime.AdvanceCurrentTime(TDuration::Minutes(1)); 
-            WaitForCondErase(runtime); 
-            { 
-                auto result = readTable(tabletId, "TTLEnabledTable1"); 
+            }
+
+            runtime.AdvanceCurrentTime(TDuration::Minutes(1));
+            WaitForCondErase(runtime);
+            {
+                auto result = readTable(tabletId, "TTLEnabledTable1");
                 NKqp::CompareYson(R"([[[[];%false]]])", result);
-            } 
-        } 
- 
-        { 
-            ++tabletId; 
-            TestCreateTable(runtime, ++txId, "/MyRoot", R"( 
-                Name: "TTLEnabledTable2" 
-                Columns { Name: "key" Type: "Uint64" } 
-                Columns { Name: "ts" Type: "Timestamp" } 
-                KeyColumnNames: ["key"] 
-                TTLSettings { 
-                  Enabled { 
-                    ColumnName: "ts" 
-                    ExpireAfterSeconds: 3600 
-                  } 
-                } 
-            )"); 
-            env.TestWaitNotification(runtime, txId); 
- 
-            writeRow(tabletId, 1, now - TDuration::Hours(1), "TTLEnabledTable2"); 
-            writeRow(tabletId, 2, now, "TTLEnabledTable2"); 
-            { 
-                auto result = readTable(tabletId, "TTLEnabledTable2"); 
+            }
+        }
+
+        {
+            ++tabletId;
+            TestCreateTable(runtime, ++txId, "/MyRoot", R"(
+                Name: "TTLEnabledTable2"
+                Columns { Name: "key" Type: "Uint64" }
+                Columns { Name: "ts" Type: "Timestamp" }
+                KeyColumnNames: ["key"]
+                TTLSettings {
+                  Enabled {
+                    ColumnName: "ts"
+                    ExpireAfterSeconds: 3600
+                  }
+                }
+            )");
+            env.TestWaitNotification(runtime, txId);
+
+            writeRow(tabletId, 1, now - TDuration::Hours(1), "TTLEnabledTable2");
+            writeRow(tabletId, 2, now, "TTLEnabledTable2");
+            {
+                auto result = readTable(tabletId, "TTLEnabledTable2");
                 NKqp::CompareYson(R"([[[[[["1"]];[["2"]]];%false]]])", result);
-            } 
- 
-            runtime.AdvanceCurrentTime(TDuration::Minutes(1)); 
-            WaitForCondErase(runtime); 
-            { 
-                auto result = readTable(tabletId, "TTLEnabledTable2"); 
+            }
+
+            runtime.AdvanceCurrentTime(TDuration::Minutes(1));
+            WaitForCondErase(runtime);
+            {
+                auto result = readTable(tabletId, "TTLEnabledTable2");
                 NKqp::CompareYson(R"([[[[[["2"]]];%false]]])", result);
-            } 
- 
-            runtime.AdvanceCurrentTime(TDuration::Hours(1)); 
-            WaitForCondErase(runtime); 
-            { 
-                auto result = readTable(tabletId, "TTLEnabledTable2"); 
+            }
+
+            runtime.AdvanceCurrentTime(TDuration::Hours(1));
+            WaitForCondErase(runtime);
+            {
+                auto result = readTable(tabletId, "TTLEnabledTable2");
                 NKqp::CompareYson(R"([[[[];%false]]])", result);
-            } 
-        } 
- 
-        { 
-            setAllowConditionalEraseOperations(false); 
- 
-            ++tabletId; 
-            TestCreateTable(runtime, ++txId, "/MyRoot", R"( 
-                Name: "TTLEnabledTable3" 
-                Columns { Name: "key" Type: "Uint64" } 
-                Columns { Name: "ts" Type: "Timestamp" } 
-                KeyColumnNames: ["key"] 
-                TTLSettings { 
-                  Enabled { 
-                    ColumnName: "ts" 
-                  } 
-                } 
-            )"); 
-            env.TestWaitNotification(runtime, txId); 
- 
-            writeRow(tabletId, 1, now, "TTLEnabledTable3"); 
-            { 
-                auto result = readTable(tabletId, "TTLEnabledTable3"); 
+            }
+        }
+
+        {
+            setAllowConditionalEraseOperations(false);
+
+            ++tabletId;
+            TestCreateTable(runtime, ++txId, "/MyRoot", R"(
+                Name: "TTLEnabledTable3"
+                Columns { Name: "key" Type: "Uint64" }
+                Columns { Name: "ts" Type: "Timestamp" }
+                KeyColumnNames: ["key"]
+                TTLSettings {
+                  Enabled {
+                    ColumnName: "ts"
+                  }
+                }
+            )");
+            env.TestWaitNotification(runtime, txId);
+
+            writeRow(tabletId, 1, now, "TTLEnabledTable3");
+            {
+                auto result = readTable(tabletId, "TTLEnabledTable3");
                 NKqp::CompareYson(R"([[[[[["1"]]];%false]]])", result);
-            } 
- 
-            runtime.AdvanceCurrentTime(TDuration::Minutes(1)); 
-            waitForScheduleCondErase(); 
-            { 
-                auto result = readTable(tabletId, "TTLEnabledTable3"); 
+            }
+
+            runtime.AdvanceCurrentTime(TDuration::Minutes(1));
+            waitForScheduleCondErase();
+            {
+                auto result = readTable(tabletId, "TTLEnabledTable3");
                 NKqp::CompareYson(R"([[[[[["1"]]];%false]]])", result);
-            } 
- 
-            runtime.AdvanceCurrentTime(TDuration::Hours(1)); 
-            waitForScheduleCondErase(); 
-            { 
-                auto result = readTable(tabletId, "TTLEnabledTable3"); 
+            }
+
+            runtime.AdvanceCurrentTime(TDuration::Hours(1));
+            waitForScheduleCondErase();
+            {
+                auto result = readTable(tabletId, "TTLEnabledTable3");
                 NKqp::CompareYson(R"([[[[[["1"]]];%false]]])", result);
-            } 
-        } 
- 
-        { 
-            setAllowConditionalEraseOperations(true); 
- 
-            ++tabletId; 
-            TestCreateTable(runtime, ++txId, "/MyRoot", R"( 
-                Name: "TTLEnabledTable4" 
-                Columns { Name: "key" Type: "Uint64" } 
-                Columns { Name: "ts" Type: "Uint64" } 
-                KeyColumnNames: ["key"] 
-                TTLSettings { 
-                  Enabled { 
-                    ColumnName: "ts" 
-                    ColumnUnit: UNIT_MICROSECONDS 
-                  } 
-                } 
-            )"); 
-            env.TestWaitNotification(runtime, txId); 
- 
-            writeRow(tabletId, 1, now, "TTLEnabledTable4", "Uint64"); 
-            writeRow(tabletId, 2, now + TDuration::Days(1), "TTLEnabledTable4", "Uint64"); 
-            { 
-                auto result = readTable(tabletId, "TTLEnabledTable4"); 
+            }
+        }
+
+        {
+            setAllowConditionalEraseOperations(true);
+
+            ++tabletId;
+            TestCreateTable(runtime, ++txId, "/MyRoot", R"(
+                Name: "TTLEnabledTable4"
+                Columns { Name: "key" Type: "Uint64" }
+                Columns { Name: "ts" Type: "Uint64" }
+                KeyColumnNames: ["key"]
+                TTLSettings {
+                  Enabled {
+                    ColumnName: "ts"
+                    ColumnUnit: UNIT_MICROSECONDS
+                  }
+                }
+            )");
+            env.TestWaitNotification(runtime, txId);
+
+            writeRow(tabletId, 1, now, "TTLEnabledTable4", "Uint64");
+            writeRow(tabletId, 2, now + TDuration::Days(1), "TTLEnabledTable4", "Uint64");
+            {
+                auto result = readTable(tabletId, "TTLEnabledTable4");
                 NKqp::CompareYson(R"([[[[[["1"]];[["2"]]];%false]]])", result);
-            } 
- 
-            runtime.AdvanceCurrentTime(TDuration::Minutes(1)); 
-            WaitForCondErase(runtime); 
-            { 
-                auto result = readTable(tabletId, "TTLEnabledTable4"); 
+            }
+
+            runtime.AdvanceCurrentTime(TDuration::Minutes(1));
+            WaitForCondErase(runtime);
+            {
+                auto result = readTable(tabletId, "TTLEnabledTable4");
                 NKqp::CompareYson(R"([[[[[["2"]]];%false]]])", result);
-            } 
-        } 
-    } 
- 
-    Y_UNIT_TEST(RacyAlterTableAndConditionalErase) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime); 
-        ui64 txId = 100; 
- 
-        auto delayConditionalErase = [&]() -> THolder<IEventHandle> { 
-            THolder<IEventHandle> delayed; 
- 
-            auto prevObserver = runtime.SetObserverFunc([&](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) { 
-                switch (ev->GetTypeRewrite()) { 
-                case TEvCondEraseReq::EventType: 
-                    delayed.Reset(ev.Release()); 
-                    return TTestActorRuntime::EEventAction::DROP; 
-                default: 
-                    return TTestActorRuntime::EEventAction::PROCESS; 
-                } 
-            }); 
- 
-            if (!delayed) { 
-                TDispatchOptions opts; 
-                opts.FinalEvents.emplace_back([&delayed](IEventHandle&) -> bool { 
-                    return bool(delayed); 
-                }); 
-                runtime.DispatchEvents(opts); 
-            } 
- 
-            runtime.SetObserverFunc(prevObserver); 
-            return delayed; 
-        }; 
- 
-        TestCreateTable(runtime, ++txId, "/MyRoot", R"( 
-            Name: "TTLEnabledTable" 
-            Columns { Name: "key" Type: "Uint64" } 
-            Columns { Name: "ts" Type: "Timestamp" } 
-            KeyColumnNames: ["key"] 
-            TTLSettings { 
-              Enabled { 
-                ColumnName: "ts" 
-              } 
-            } 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        auto delayed = delayConditionalErase(); 
- 
-        TestAlterTable(runtime, ++txId, "/MyRoot", R"( 
-            Name: "TTLEnabledTable" 
-            Columns { Name: "value" Type: "String" } 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        runtime.Send(delayed.Release(), 0, true); 
-        WaitForCondErase(runtime, TEvCondEraseResp::ProtoRecordType::SCHEME_ERROR); 
-    } 
- 
-    Y_UNIT_TEST(ShouldCheckQuotas) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime); 
-        ui64 txId = 100; 
- 
-        TestCreateSubDomain(runtime, ++txId, "/MyRoot", R"( 
-            Name: "SubDomain" 
-            PlanResolution: 50 
-            Coordinators: 1 
-            Mediators: 1 
-            TimeCastBucketsPerMediator: 2 
-            DatabaseQuotas { 
-              ttl_min_run_internal_seconds: 1800 
-            } 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        // ok without sys settings 
-        TestCreateTable(runtime, ++txId, "/MyRoot/SubDomain", R"( 
-            Name: "Table1" 
-            Columns { Name: "key" Type: "Uint64" } 
-            Columns { Name: "modified_at" Type: "Timestamp" } 
-            KeyColumnNames: ["key"] 
-            TTLSettings { 
-              Enabled { 
-                ColumnName: "modified_at" 
-                ExpireAfterSeconds: 3600 
-              } 
-            } 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        // ok (RunInterval >= limit) 
-        TestCreateTable(runtime, ++txId, "/MyRoot/SubDomain", R"( 
-            Name: "Table3" 
-            Columns { Name: "key" Type: "Uint64" } 
-            Columns { Name: "modified_at" Type: "Timestamp" } 
-            KeyColumnNames: ["key"] 
-            TTLSettings { 
-              Enabled { 
-                ColumnName: "modified_at" 
-                ExpireAfterSeconds: 3600 
-                SysSettings { 
-                  RunInterval: 1800000000 
-                } 
-              } 
-            } 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        // error (RunInterval < limit) 
-        TestCreateTable(runtime, ++txId, "/MyRoot/SubDomain", R"( 
-            Name: "Table4" 
-            Columns { Name: "key" Type: "Uint64" } 
-            Columns { Name: "modified_at" Type: "Timestamp" } 
-            KeyColumnNames: ["key"] 
-            TTLSettings { 
-              Enabled { 
-                ColumnName: "modified_at" 
-                ExpireAfterSeconds: 3600 
-                SysSettings { 
-                  RunInterval: 1799999999 
-                } 
-              } 
-            } 
+            }
+        }
+    }
+
+    Y_UNIT_TEST(RacyAlterTableAndConditionalErase) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime);
+        ui64 txId = 100;
+
+        auto delayConditionalErase = [&]() -> THolder<IEventHandle> {
+            THolder<IEventHandle> delayed;
+
+            auto prevObserver = runtime.SetObserverFunc([&](TTestActorRuntimeBase&, TAutoPtr<IEventHandle>& ev) {
+                switch (ev->GetTypeRewrite()) {
+                case TEvCondEraseReq::EventType:
+                    delayed.Reset(ev.Release());
+                    return TTestActorRuntime::EEventAction::DROP;
+                default:
+                    return TTestActorRuntime::EEventAction::PROCESS;
+                }
+            });
+
+            if (!delayed) {
+                TDispatchOptions opts;
+                opts.FinalEvents.emplace_back([&delayed](IEventHandle&) -> bool {
+                    return bool(delayed);
+                });
+                runtime.DispatchEvents(opts);
+            }
+
+            runtime.SetObserverFunc(prevObserver);
+            return delayed;
+        };
+
+        TestCreateTable(runtime, ++txId, "/MyRoot", R"(
+            Name: "TTLEnabledTable"
+            Columns { Name: "key" Type: "Uint64" }
+            Columns { Name: "ts" Type: "Timestamp" }
+            KeyColumnNames: ["key"]
+            TTLSettings {
+              Enabled {
+                ColumnName: "ts"
+              }
+            }
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        auto delayed = delayConditionalErase();
+
+        TestAlterTable(runtime, ++txId, "/MyRoot", R"(
+            Name: "TTLEnabledTable"
+            Columns { Name: "value" Type: "String" }
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        runtime.Send(delayed.Release(), 0, true);
+        WaitForCondErase(runtime, TEvCondEraseResp::ProtoRecordType::SCHEME_ERROR);
+    }
+
+    Y_UNIT_TEST(ShouldCheckQuotas) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime);
+        ui64 txId = 100;
+
+        TestCreateSubDomain(runtime, ++txId, "/MyRoot", R"(
+            Name: "SubDomain"
+            PlanResolution: 50
+            Coordinators: 1
+            Mediators: 1
+            TimeCastBucketsPerMediator: 2
+            DatabaseQuotas {
+              ttl_min_run_internal_seconds: 1800
+            }
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        // ok without sys settings
+        TestCreateTable(runtime, ++txId, "/MyRoot/SubDomain", R"(
+            Name: "Table1"
+            Columns { Name: "key" Type: "Uint64" }
+            Columns { Name: "modified_at" Type: "Timestamp" }
+            KeyColumnNames: ["key"]
+            TTLSettings {
+              Enabled {
+                ColumnName: "modified_at"
+                ExpireAfterSeconds: 3600
+              }
+            }
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        // ok (RunInterval >= limit)
+        TestCreateTable(runtime, ++txId, "/MyRoot/SubDomain", R"(
+            Name: "Table3"
+            Columns { Name: "key" Type: "Uint64" }
+            Columns { Name: "modified_at" Type: "Timestamp" }
+            KeyColumnNames: ["key"]
+            TTLSettings {
+              Enabled {
+                ColumnName: "modified_at"
+                ExpireAfterSeconds: 3600
+                SysSettings {
+                  RunInterval: 1800000000
+                }
+              }
+            }
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        // error (RunInterval < limit)
+        TestCreateTable(runtime, ++txId, "/MyRoot/SubDomain", R"(
+            Name: "Table4"
+            Columns { Name: "key" Type: "Uint64" }
+            Columns { Name: "modified_at" Type: "Timestamp" }
+            KeyColumnNames: ["key"]
+            TTLSettings {
+              Enabled {
+                ColumnName: "modified_at"
+                ExpireAfterSeconds: 3600
+                SysSettings {
+                  RunInterval: 1799999999
+                }
+              }
+            }
         )", {NKikimrScheme::StatusSchemeError});
-    } 
- 
-    Y_UNIT_TEST(ShouldSkipDroppedColumn) { 
-        TTestBasicRuntime runtime; 
-        TTestEnv env(runtime); 
-        ui64 txId = 100; 
- 
-        TestCreateIndexedTable(runtime, ++txId, "/MyRoot", R"( 
-            TableDescription { 
-              Name: "TTLEnabledTable" 
-              Columns { Name: "key" Type: "Uint64" } 
-              Columns { Name: "ts" Type: "Timestamp" } 
-              Columns { Name: "indexed" Type: "Uint64" } 
-              Columns { Name: "extra" Type: "Uint64" } 
-              KeyColumnNames: ["key"] 
-              TTLSettings { 
-                Enabled { 
-                  ColumnName: "ts" 
-                } 
-              } 
-            } 
-            IndexDescription { 
-              Name: "Index" 
-              KeyColumnNames: ["indexed"] 
-            } 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        TestAlterTable(runtime, ++txId, "/MyRoot", R"( 
-            Name: "TTLEnabledTable" 
-            DropColumns { Name: "extra" } 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        TestAlterTable(runtime, ++txId, "/MyRoot", R"( 
-            Name: "TTLEnabledTable" 
-            Columns { Name: "extra" Type: "Uint64" } 
-        )"); 
-        env.TestWaitNotification(runtime, txId); 
- 
-        WaitForCondErase(runtime); 
-    } 
-} 
- 
-Y_UNIT_TEST_SUITE(TSchemeShardTTLTestsWithReboots) { 
-    Y_UNIT_TEST(CreateTable) { 
-        TTestWithReboots t; 
-        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) { 
-            TestCreateTable(runtime, ++t.TxId, "/MyRoot", R"( 
-                Name: "TTLEnabledTable" 
-                Columns { Name: "key" Type: "Uint64" } 
-                Columns { Name: "modified_at" Type: "Timestamp" } 
-                KeyColumnNames: ["key"] 
-                TTLSettings { 
-                  Enabled { 
-                    ColumnName: "modified_at" 
-                    ExpireAfterSeconds: 3600 
-                  } 
-                } 
-            )"); 
-            t.TestEnv->TestWaitNotification(runtime, t.TxId); 
- 
-            { 
-                TInactiveZone inactive(activeZone); 
-                CheckTTLSettings(runtime); 
-            } 
-        }); 
-    } 
- 
-    Y_UNIT_TEST(AlterTable) { 
-        TTestWithReboots t; 
-        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) { 
-            { 
-                TInactiveZone inactive(activeZone); 
-                TestCreateTable(runtime, ++t.TxId, "/MyRoot", R"( 
-                    Name: "TTLEnabledTable" 
-                    Columns { Name: "key" Type: "Uint64" } 
-                    Columns { Name: "modified_at" Type: "Timestamp" } 
-                    KeyColumnNames: ["key"] 
-                )"); 
-                t.TestEnv->TestWaitNotification(runtime, t.TxId); 
-            } 
- 
-            TestAlterTable(runtime, ++t.TxId, "/MyRoot", R"( 
-                Name: "TTLEnabledTable" 
-                TTLSettings { 
-                  Enabled { 
-                    ColumnName: "modified_at" 
-                    ExpireAfterSeconds: 3600 
-                  } 
-                } 
-            )"); 
-            t.TestEnv->TestWaitNotification(runtime, t.TxId); 
- 
-            { 
-                TInactiveZone inactive(activeZone); 
-                CheckTTLSettings(runtime); 
-            } 
-        }); 
-    } 
-} 
+    }
+
+    Y_UNIT_TEST(ShouldSkipDroppedColumn) {
+        TTestBasicRuntime runtime;
+        TTestEnv env(runtime);
+        ui64 txId = 100;
+
+        TestCreateIndexedTable(runtime, ++txId, "/MyRoot", R"(
+            TableDescription {
+              Name: "TTLEnabledTable"
+              Columns { Name: "key" Type: "Uint64" }
+              Columns { Name: "ts" Type: "Timestamp" }
+              Columns { Name: "indexed" Type: "Uint64" }
+              Columns { Name: "extra" Type: "Uint64" }
+              KeyColumnNames: ["key"]
+              TTLSettings {
+                Enabled {
+                  ColumnName: "ts"
+                }
+              }
+            }
+            IndexDescription {
+              Name: "Index"
+              KeyColumnNames: ["indexed"]
+            }
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        TestAlterTable(runtime, ++txId, "/MyRoot", R"(
+            Name: "TTLEnabledTable"
+            DropColumns { Name: "extra" }
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        TestAlterTable(runtime, ++txId, "/MyRoot", R"(
+            Name: "TTLEnabledTable"
+            Columns { Name: "extra" Type: "Uint64" }
+        )");
+        env.TestWaitNotification(runtime, txId);
+
+        WaitForCondErase(runtime);
+    }
+}
+
+Y_UNIT_TEST_SUITE(TSchemeShardTTLTestsWithReboots) {
+    Y_UNIT_TEST(CreateTable) {
+        TTestWithReboots t;
+        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) {
+            TestCreateTable(runtime, ++t.TxId, "/MyRoot", R"(
+                Name: "TTLEnabledTable"
+                Columns { Name: "key" Type: "Uint64" }
+                Columns { Name: "modified_at" Type: "Timestamp" }
+                KeyColumnNames: ["key"]
+                TTLSettings {
+                  Enabled {
+                    ColumnName: "modified_at"
+                    ExpireAfterSeconds: 3600
+                  }
+                }
+            )");
+            t.TestEnv->TestWaitNotification(runtime, t.TxId);
+
+            {
+                TInactiveZone inactive(activeZone);
+                CheckTTLSettings(runtime);
+            }
+        });
+    }
+
+    Y_UNIT_TEST(AlterTable) {
+        TTestWithReboots t;
+        t.Run([&](TTestActorRuntime& runtime, bool& activeZone) {
+            {
+                TInactiveZone inactive(activeZone);
+                TestCreateTable(runtime, ++t.TxId, "/MyRoot", R"(
+                    Name: "TTLEnabledTable"
+                    Columns { Name: "key" Type: "Uint64" }
+                    Columns { Name: "modified_at" Type: "Timestamp" }
+                    KeyColumnNames: ["key"]
+                )");
+                t.TestEnv->TestWaitNotification(runtime, t.TxId);
+            }
+
+            TestAlterTable(runtime, ++t.TxId, "/MyRoot", R"(
+                Name: "TTLEnabledTable"
+                TTLSettings {
+                  Enabled {
+                    ColumnName: "modified_at"
+                    ExpireAfterSeconds: 3600
+                  }
+                }
+            )");
+            t.TestEnv->TestWaitNotification(runtime, t.TxId);
+
+            {
+                TInactiveZone inactive(activeZone);
+                CheckTTLSettings(runtime);
+            }
+        });
+    }
+}
diff --git a/ydb/core/tx/schemeshard/ut_ttl/ya.make b/ydb/core/tx/schemeshard/ut_ttl/ya.make
index 9e72b55c99..2fe57635d8 100644
--- a/ydb/core/tx/schemeshard/ut_ttl/ya.make
+++ b/ydb/core/tx/schemeshard/ut_ttl/ya.make
@@ -1,32 +1,32 @@
 UNITTEST_FOR(ydb/core/tx/schemeshard)
- 
-OWNER( 
-    ilnaz 
-    g:kikimr 
-) 
- 
-FORK_SUBTESTS() 
-
-SPLIT_FACTOR(60) 
- 
-IF (SANITIZER_TYPE OR WITH_VALGRIND) 
-    TIMEOUT(3600) 
-    SIZE(LARGE) 
-    TAG(ya:fat) 
-ELSE() 
-    TIMEOUT(600) 
-    SIZE(MEDIUM) 
-ENDIF() 
- 
-PEERDIR( 
+
+OWNER(
+    ilnaz
+    g:kikimr
+)
+
+FORK_SUBTESTS()
+
+SPLIT_FACTOR(60)
+
+IF (SANITIZER_TYPE OR WITH_VALGRIND)
+    TIMEOUT(3600)
+    SIZE(LARGE)
+    TAG(ya:fat)
+ELSE()
+    TIMEOUT(600)
+    SIZE(MEDIUM)
+ENDIF()
+
+PEERDIR(
     ydb/core/kqp/ut/common
     ydb/core/tx/schemeshard/ut_helpers
-) 
- 
-SRCS( 
-    ut_ttl.cpp 
-) 
- 
+)
+
+SRCS(
+    ut_ttl.cpp
+)
+
 YQL_LAST_ABI_VERSION()
 
-END() 
+END()
diff --git a/ydb/core/tx/schemeshard/ut_upgradesubdomain.cpp b/ydb/core/tx/schemeshard/ut_upgradesubdomain.cpp
index 1087125891..1ee6456acb 100644
--- a/ydb/core/tx/schemeshard/ut_upgradesubdomain.cpp
+++ b/ydb/core/tx/schemeshard/ut_upgradesubdomain.cpp
@@ -1,7 +1,7 @@
 #include <ydb/core/tx/schemeshard/ut_helpers/helpers.h>
 
-#include <util/system/env.h> 
- 
+#include <util/system/env.h>
+
 using namespace NKikimr;
 using namespace NSchemeShard;
 using namespace NSchemeShardUT_Private;
diff --git a/ydb/core/tx/schemeshard/ut_upgradesubdomain/ya.make b/ydb/core/tx/schemeshard/ut_upgradesubdomain/ya.make
index a079e0d9ed..7759750ff3 100644
--- a/ydb/core/tx/schemeshard/ut_upgradesubdomain/ya.make
+++ b/ydb/core/tx/schemeshard/ut_upgradesubdomain/ya.make
@@ -6,7 +6,7 @@ IF (NOT WITH_VALGRIND)
     TIMEOUT(600)
 
     SIZE(MEDIUM)
- 
+
     INCLUDE(${ARCADIA_ROOT}/ydb/tests/supp/ubsan_supp.inc)
 
     PEERDIR(
diff --git a/ydb/core/tx/schemeshard/ut_upgradesubdomain_reboots.cpp b/ydb/core/tx/schemeshard/ut_upgradesubdomain_reboots.cpp
index 809360e5f4..d1a4a4020b 100644
--- a/ydb/core/tx/schemeshard/ut_upgradesubdomain_reboots.cpp
+++ b/ydb/core/tx/schemeshard/ut_upgradesubdomain_reboots.cpp
@@ -1,7 +1,7 @@
 #include <ydb/core/tx/schemeshard/ut_helpers/helpers.h>
 
-#include <util/system/env.h> 
- 
+#include <util/system/env.h>
+
 using namespace NKikimr;
 using namespace NSchemeShard;
 using namespace NSchemeShardUT_Private;
@@ -181,9 +181,9 @@ Y_UNIT_TEST_SUITE(TSchemeShardUpgradeSubDomainWithOutDesicion) {
                                 Columns { Name: "addColumn2"  Type: "Uint64"}
                            )",
                            {TEvSchemeShard::EStatus::StatusMultipleModifications});
-            TestUserAttrs(runtime, ++t.TxId, "/MyRoot/USER_0", "DirA", 
-                          {TEvSchemeShard::EStatus::StatusMultipleModifications}, 
-                          AlterUserAttrs({{"AttrA2", "ValA2"}})); 
+            TestUserAttrs(runtime, ++t.TxId, "/MyRoot/USER_0", "DirA",
+                          {TEvSchemeShard::EStatus::StatusMultipleModifications},
+                          AlterUserAttrs({{"AttrA2", "ValA2"}}));
 
             t.TestEnv->TestWaitNotification(runtime, {t.TxId-2, t.TxId-1, t.TxId});
 
@@ -251,9 +251,9 @@ Y_UNIT_TEST_SUITE(TSchemeShardUpgradeSubDomainWithOutDesicion) {
                                 Columns { Name: "addColumn2"  Type: "Uint64"}
                            )",
                            {TEvSchemeShard::EStatus::StatusMultipleModifications});
-            TestUserAttrs(runtime, ++t.TxId, "/MyRoot/USER_0", "DirA", 
-                          {TEvSchemeShard::EStatus::StatusMultipleModifications}, 
-                          AlterUserAttrs({{"AttrA2", "ValA2"}})); 
+            TestUserAttrs(runtime, ++t.TxId, "/MyRoot/USER_0", "DirA",
+                          {TEvSchemeShard::EStatus::StatusMultipleModifications},
+                          AlterUserAttrs({{"AttrA2", "ValA2"}}));
 
             t.TestEnv->TestWaitNotification(runtime, {t.TxId-2, t.TxId-1, t.TxId});
 
@@ -421,7 +421,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardUpgradeSubDomainUndo) {
     }
 }
 
- 
+
 Y_UNIT_TEST_SUITE(TSchemeShardUpgradeSubDomainCommit) {
     Y_UNIT_TEST(Kesus) {
         TTestWithReboots t;
@@ -854,8 +854,8 @@ Y_UNIT_TEST_SUITE(TSchemeShardUpgradeSubDomainCommit) {
                                 NLs::IsExternalSubDomain("USER_0"),
                                 NLs::ExtractTenantSchemeshard(&tenantSchemeShard)});
 
-            TestUserAttrs(runtime, tenantSchemeShard, ++t.TxId, "/MyRoot/USER_0", "DirA", 
-                {NKikimrScheme::StatusAccepted}, AlterUserAttrs(attrs2, {"Name1"})); 
+            TestUserAttrs(runtime, tenantSchemeShard, ++t.TxId, "/MyRoot/USER_0", "DirA",
+                {NKikimrScheme::StatusAccepted}, AlterUserAttrs(attrs2, {"Name1"}));
             t.TestEnv->TestWaitNotification(runtime, t.TxId, tenantSchemeShard);
 
             TestDescribeResult(DescribePath(runtime, tenantSchemeShard, "/MyRoot/USER_0/DirA"),
@@ -911,7 +911,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardUpgradeSubDomainCommit) {
                                 NLs::IsExternalSubDomain("USER_0"),
                                 NLs::ExtractTenantSchemeshard(&tenantSchemeShard)});
 
-            TestDescribeResult(DescribePath(runtime, tenantSchemeShard, "/MyRoot/USER_0/DirA/Table", true), 
+            TestDescribeResult(DescribePath(runtime, tenantSchemeShard, "/MyRoot/USER_0/DirA/Table", true),
                                {NLs::PathExist,
                                 NLs::PartitionCount(1)});
 
@@ -925,7 +925,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardUpgradeSubDomainCommit) {
                             )");
             t.TestEnv->TestWaitNotification(runtime, t.TxId, tenantSchemeShard);
 
-            TestDescribeResult(DescribePath(runtime, tenantSchemeShard, "/MyRoot/USER_0/DirA/Table", true), 
+            TestDescribeResult(DescribePath(runtime, tenantSchemeShard, "/MyRoot/USER_0/DirA/Table", true),
                                {NLs::PathExist,
                                 NLs::PartitionCount(2)});
 
@@ -986,7 +986,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardUpgradeSubDomainCommit) {
                                 NLs::IsExternalSubDomain("USER_0"),
                                 NLs::ExtractTenantSchemeshard(&tenantSchemeShard)});
 
-            TestDescribeResult(DescribePath(runtime, tenantSchemeShard, "/MyRoot/USER_0/DirA/Table", true), 
+            TestDescribeResult(DescribePath(runtime, tenantSchemeShard, "/MyRoot/USER_0/DirA/Table", true),
                                {NLs::PathExist,
                                 NLs::PartitionCount(1)});
 
@@ -1042,14 +1042,14 @@ Y_UNIT_TEST_SUITE(TSchemeShardUpgradeSubDomainCommit) {
                                 NLs::IsExternalSubDomain("USER_0"),
                                 NLs::ExtractTenantSchemeshard(&tenantSchemeShard)});
 
-            TestDescribeResult(DescribePath(runtime, tenantSchemeShard, "/MyRoot/USER_0/DirA/Table", true), 
+            TestDescribeResult(DescribePath(runtime, tenantSchemeShard, "/MyRoot/USER_0/DirA/Table", true),
                                {NLs::PathExist,
                                 NLs::PartitionCount(1)});
 
             TestCopyTable(runtime, tenantSchemeShard, ++t.TxId, "/MyRoot/USER_0/DirA", "Copy", "/MyRoot/USER_0/DirA/Table");
             t.TestEnv->TestWaitNotification(runtime, t.TxId, tenantSchemeShard);
 
-            TestDescribeResult(DescribePath(runtime, tenantSchemeShard, "/MyRoot/USER_0/DirA/Copy", true), 
+            TestDescribeResult(DescribePath(runtime, tenantSchemeShard, "/MyRoot/USER_0/DirA/Copy", true),
                                {NLs::PathExist,
                                 NLs::PartitionCount(1)});
         });
@@ -1087,7 +1087,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardUpgradeSubDomainCommit) {
                                         )");
                 t.TestEnv->TestWaitNotification(runtime, {t.TxId - 1, t.TxId});
 
-                TestDescribeResult(DescribePath(runtime, "/MyRoot/USER_0/DirA/Table", true), 
+                TestDescribeResult(DescribePath(runtime, "/MyRoot/USER_0/DirA/Table", true),
                                    {NLs::PathExist,
                                     NLs::PartitionCount(1),
                                     NLs::IndexesCount(1)});
@@ -1104,7 +1104,7 @@ Y_UNIT_TEST_SUITE(TSchemeShardUpgradeSubDomainCommit) {
                                {NLs::PathRedirected,
                                 NLs::ExtractTenantSchemeshard(&tenantSchemeShard)});
 
-            TestDescribeResult(DescribePath(runtime, tenantSchemeShard, "/MyRoot/USER_0/DirA/Table", true), 
+            TestDescribeResult(DescribePath(runtime, tenantSchemeShard, "/MyRoot/USER_0/DirA/Table", true),
                                {NLs::PathExist,
                                 NLs::PartitionCount(1),
                                 NLs::IndexesCount(1)});
diff --git a/ydb/core/tx/schemeshard/ut_user_attributes.cpp b/ydb/core/tx/schemeshard/ut_user_attributes.cpp
index 735c94b092..48a63f877e 100644
--- a/ydb/core/tx/schemeshard/ut_user_attributes.cpp
+++ b/ydb/core/tx/schemeshard/ut_user_attributes.cpp
@@ -77,21 +77,21 @@ Y_UNIT_TEST_SUITE(TSchemeShardUserAttrsTest) {
         auto dirVer = TestDescribeResult(DescribePath(runtime, "/MyRoot/DirA"),
             {NLs::UserAttrsEqual({{"AttrA1", "ValA1"}}), NLs::PathVersionEqual(3)});
 
-        TestUserAttrs(runtime, txId++, "/MyRoot", "DirA", {NKikimrScheme::StatusAccepted}, 
-                      AlterUserAttrs({}, {"AttrA1"}), {dirVer}); 
+        TestUserAttrs(runtime, txId++, "/MyRoot", "DirA", {NKikimrScheme::StatusAccepted},
+                      AlterUserAttrs({}, {"AttrA1"}), {dirVer});
         env.TestWaitNotification(runtime, txId-1);
 
         TestDescribeResult(DescribePath(runtime, "/MyRoot/DirA"),
                     {NLs::UserAttrsEqual({}), NLs::PathVersionEqual(4)});
 
-        TestUserAttrs(runtime, txId++, "/MyRoot", "DirA", {NKikimrScheme::StatusPreconditionFailed}, 
-                      AlterUserAttrs({{"AttrA2", "ValA2"}}), {dirVer}); 
+        TestUserAttrs(runtime, txId++, "/MyRoot", "DirA", {NKikimrScheme::StatusPreconditionFailed},
+                      AlterUserAttrs({{"AttrA2", "ValA2"}}), {dirVer});
         env.TestWaitNotification(runtime, txId-1);
         dirVer = TestDescribeResult(DescribePath(runtime, "/MyRoot/DirA"),
                     {NLs::UserAttrsEqual({}), NLs::PathVersionEqual(4)});
 
-        TestUserAttrs(runtime, txId++, "/MyRoot", "DirA", {NKikimrScheme::StatusAccepted}, 
-                      AlterUserAttrs({{"AttrA2", "ValA2"}}), {dirVer}); 
+        TestUserAttrs(runtime, txId++, "/MyRoot", "DirA", {NKikimrScheme::StatusAccepted},
+                      AlterUserAttrs({{"AttrA2", "ValA2"}}), {dirVer});
         env.TestWaitNotification(runtime, txId-1);
         TestDescribeResult(DescribePath(runtime, "/MyRoot/DirA"),
                             {NLs::UserAttrsEqual({{"AttrA2", "ValA2"}}), NLs::PathVersionEqual(5)});
@@ -130,10 +130,10 @@ Y_UNIT_TEST_SUITE(TSchemeShardUserAttrsTest) {
         auto dirCVer = TestDescribeResult(DescribePath(runtime, "/MyRoot/DirC"),
             {NLs::Finished, NLs::PathVersionEqual(3)});
 
-        TestRmDir(runtime, txId++, "/MyRoot", "DirC", {NKikimrScheme::StatusPreconditionFailed}, {dirCVer, dirBVer, dirAVer, rootVer}); 
+        TestRmDir(runtime, txId++, "/MyRoot", "DirC", {NKikimrScheme::StatusPreconditionFailed}, {dirCVer, dirBVer, dirAVer, rootVer});
         rootVer = TestDescribeResult(DescribePath(runtime, "/MyRoot"),
             {NLs::Finished});
-        TestRmDir(runtime, txId++, "/MyRoot", "DirC", {NKikimrScheme::StatusAccepted}, {dirCVer, dirBVer, dirAVer, rootVer}); 
+        TestRmDir(runtime, txId++, "/MyRoot", "DirC", {NKikimrScheme::StatusAccepted}, {dirCVer, dirBVer, dirAVer, rootVer});
         env.TestWaitNotification(runtime, txId-1);
         TestDescribeResult(DescribePath(runtime, "/MyRoot/DirC"),
                     {NLs::PathNotExist});
@@ -170,20 +170,20 @@ Y_UNIT_TEST_SUITE(TSchemeShardUserAttrsTest) {
         auto dirAVer =TestDescribeResult(DescribePath(runtime, "/MyRoot/DirA"),
                                           {NLs::UserAttrsEqual({}), NLs::PathVersionEqual(6)});
 
-        TestUserAttrs(runtime, txId++, "/MyRoot", "DirA", {NKikimrScheme::StatusAccepted}, 
+        TestUserAttrs(runtime, txId++, "/MyRoot", "DirA", {NKikimrScheme::StatusAccepted},
                       AlterUserAttrs({{"AttrA6", "ValA6"}}), {dirAVer});
         env.TestWaitNotification(runtime, txId-1);
 
         TestDescribeResult(DescribePath(runtime, "/MyRoot/DirA"),
                     {NLs::Finished, NLs::UserAttrsEqual({{"AttrA6", "ValA6"}}), NLs::PathVersionEqual(7)});
 
-        TestUserAttrs(runtime, txId++, "/MyRoot", "DirA", {NKikimrScheme::StatusPreconditionFailed}, 
-                      AlterUserAttrs({}, {"AttrA6"}), {dirAVer}); 
+        TestUserAttrs(runtime, txId++, "/MyRoot", "DirA", {NKikimrScheme::StatusPreconditionFailed},
+                      AlterUserAttrs({}, {"AttrA6"}), {dirAVer});
 
         dirAVer = TestDescribeResult(DescribePath(runtime, "/MyRoot/DirA"),
                     {NLs::Finished, NLs::UserAttrsEqual({{"AttrA6", "ValA6"}}), NLs::PathVersionEqual(7)});
 
-        TestUserAttrs(runtime, txId++, "/MyRoot", "DirA", {NKikimrScheme::StatusAccepted}, 
+        TestUserAttrs(runtime, txId++, "/MyRoot", "DirA", {NKikimrScheme::StatusAccepted},
                       AlterUserAttrs({}, {"AttrA6"}), {dirAVer});
         env.TestWaitNotification(runtime, txId-1);
 
@@ -207,15 +207,15 @@ Y_UNIT_TEST_SUITE(TSchemeShardUserAttrsTest) {
         auto dirBBVer = TestDescribeResult(DescribePath(runtime, "/MyRoot/DirB/DirBB"),
                             {NLs::Finished, NLs::PathVersionEqual(3)});
 
-        TestRmDir(runtime, txId++, "/MyRoot/DirB", "DirBB", {NKikimrScheme::StatusPreconditionFailed}, {dirAVer, dirBVer}); 
+        TestRmDir(runtime, txId++, "/MyRoot/DirB", "DirBB", {NKikimrScheme::StatusPreconditionFailed}, {dirAVer, dirBVer});
         dirBVer = TestDescribeResult(DescribePath(runtime, "/MyRoot/DirB"),
                             {NLs::Finished, NLs::PathVersionEqual(5)});
-        TestRmDir(runtime, txId++, "/MyRoot/DirB", "DirBB", {NKikimrScheme::StatusAccepted}, {dirAVer, dirBVer}); 
+        TestRmDir(runtime, txId++, "/MyRoot/DirB", "DirBB", {NKikimrScheme::StatusAccepted}, {dirAVer, dirBVer});
         env.TestWaitNotification(runtime, txId-1);
         dirBVer = TestDescribeResult(DescribePath(runtime, "/MyRoot/DirB"),
                                     {NLs::Finished, NLs::NoChildren, NLs::PathVersionEqual(7)});
 
-        TestRmDir(runtime, txId++, "/MyRoot", "DirB", {NKikimrScheme::StatusPreconditionFailed}, {dirAVer, dirBVer, dirBBVer}); 
+        TestRmDir(runtime, txId++, "/MyRoot", "DirB", {NKikimrScheme::StatusPreconditionFailed}, {dirAVer, dirBVer, dirBBVer});
     }
 
     Y_UNIT_TEST(SpecialAttributes) {
diff --git a/ydb/core/tx/schemeshard/ut_user_attributes_reboots.cpp b/ydb/core/tx/schemeshard/ut_user_attributes_reboots.cpp
index 5555bb534f..8b58b94b0d 100644
--- a/ydb/core/tx/schemeshard/ut_user_attributes_reboots.cpp
+++ b/ydb/core/tx/schemeshard/ut_user_attributes_reboots.cpp
@@ -36,8 +36,8 @@ Y_UNIT_TEST_SUITE(TUserAttrsTestWithReboots) {
                                               NLs::UserAttrsEqual(userAttrs)});
             }
 
-            t.TestEnv->ReliablePropose(runtime, UserAttrsRequest(++t.TxId,  "/MyRoot/DirA", "USER_0",  
-                                       AlterUserAttrs({}, userAttrsKeys), {pathVer}), 
+            t.TestEnv->ReliablePropose(runtime, UserAttrsRequest(++t.TxId,  "/MyRoot/DirA", "USER_0", 
+                                       AlterUserAttrs({}, userAttrsKeys), {pathVer}),
                                        {NKikimrScheme::StatusAccepted, NKikimrScheme::StatusMultipleModifications, NKikimrScheme::StatusPreconditionFailed});
             t.TestEnv->TestWaitNotification(runtime, t.TxId);
 
diff --git a/ydb/core/tx/schemeshard/ya.make b/ydb/core/tx/schemeshard/ya.make
index 6808a11de9..ceb87ce388 100644
--- a/ydb/core/tx/schemeshard/ya.make
+++ b/ydb/core/tx/schemeshard/ya.make
@@ -5,10 +5,10 @@ RECURSE_FOR_TESTS(
     ut_bsvolume
     ut_bsvolume_reboots
     ut_cdc_stream
-    ut_cdc_stream_reboots 
+    ut_cdc_stream_reboots
     ut_compaction
     ut_export
-    ut_export_reboots_s3 
+    ut_export_reboots_s3
     ut_extsubdomain
     ut_extsubdomain_reboots
     ut_filestore_reboots
@@ -22,8 +22,8 @@ RECURSE_FOR_TESTS(
     ut_pq
     ut_pq_reboots
     ut_reboots
-    ut_replication 
-    ut_replication_reboots 
+    ut_replication
+    ut_replication_reboots
     ut_restore
     ut_rtmr
     ut_rtmr_reboots
@@ -61,13 +61,13 @@ SRCS(
     schemeshard.cpp
     schemeshard__compaction.cpp
     schemeshard__clean_pathes.cpp
-    schemeshard__conditional_erase.cpp 
+    schemeshard__conditional_erase.cpp
     schemeshard__describe_scheme.cpp
     schemeshard__delete_tablet_reply.cpp
     schemeshard__find_subdomain_path_id.cpp
-    schemeshard__fix_bad_paths.cpp 
+    schemeshard__fix_bad_paths.cpp
     schemeshard__init.cpp
-    schemeshard__init_populator.cpp 
+    schemeshard__init_populator.cpp
     schemeshard__init_root.cpp
     schemeshard__init_schema.cpp
     schemeshard__serverless_storage_billing.cpp
@@ -95,7 +95,7 @@ SRCS(
     schemeshard__operation_alter_table.cpp
     schemeshard__operation_alter_user_attrs.cpp
     schemeshard__operation_assign_bsv.cpp
-    schemeshard__operation_cancel_tx.cpp 
+    schemeshard__operation_cancel_tx.cpp
     schemeshard__operation_common.cpp
     schemeshard__operation_common.h
     schemeshard__operation_consistent_copy_tables.cpp
@@ -105,14 +105,14 @@ SRCS(
     schemeshard__operation_create_extsubdomain.cpp
     schemeshard__operation_create_fs.cpp
     schemeshard__operation_create_index.cpp
-    schemeshard__operation_create_indexed_table.cpp 
+    schemeshard__operation_create_indexed_table.cpp
     schemeshard__operation_create_kesus.cpp
     schemeshard__operation_create_lock.cpp
     schemeshard__operation_create_olap_store.cpp
     schemeshard__operation_create_olap_table.cpp
     schemeshard__operation_create_pq.cpp
-    schemeshard__operation_create_replication.cpp 
-    schemeshard__operation_create_restore.cpp 
+    schemeshard__operation_create_replication.cpp
+    schemeshard__operation_create_restore.cpp
     schemeshard__operation_create_rtmr.cpp
     schemeshard__operation_create_sequence.cpp
     schemeshard__operation_create_solomon.cpp
@@ -126,8 +126,8 @@ SRCS(
     schemeshard__operation_drop_lock.cpp
     schemeshard__operation_drop_olap_store.cpp
     schemeshard__operation_drop_olap_table.cpp
-    schemeshard__operation_drop_pq.cpp 
-    schemeshard__operation_drop_replication.cpp 
+    schemeshard__operation_drop_pq.cpp
+    schemeshard__operation_drop_replication.cpp
     schemeshard__operation_drop_sequence.cpp
     schemeshard__operation_drop_solomon.cpp
     schemeshard__operation_drop_subdomain.cpp
@@ -150,10 +150,10 @@ SRCS(
     schemeshard__operation_apply_build_index.cpp
     schemeshard__operation_cansel_build_index.cpp
     schemeshard__operation_drop_index.cpp
-    schemeshard__operation_create_cdc_stream.cpp 
-    schemeshard__operation_alter_cdc_stream.cpp 
-    schemeshard__operation_drop_cdc_stream.cpp 
-    schemeshard__publish_to_scheme_board.cpp 
+    schemeshard__operation_create_cdc_stream.cpp
+    schemeshard__operation_alter_cdc_stream.cpp
+    schemeshard__operation_drop_cdc_stream.cpp
+    schemeshard__publish_to_scheme_board.cpp
     schemeshard__state_changed_reply.cpp
     schemeshard__table_stats.cpp
     schemeshard__table_stats_histogram.cpp
@@ -162,7 +162,7 @@ SRCS(
     schemeshard__make_access_database_no_inheritable.cpp
     schemeshard_impl.cpp
     schemeshard_impl.h
-    schemeshard_billing_helpers.cpp 
+    schemeshard_billing_helpers.cpp
     schemeshard_domain_links.h
     schemeshard_domain_links.cpp
     schemeshard_effective_acl.h
@@ -170,7 +170,7 @@ SRCS(
     schemeshard_identificators.cpp
     schemeshard_info_types.cpp
     schemeshard_info_types.h
-    schemeshard_path_describer.cpp 
+    schemeshard_path_describer.cpp
     schemeshard_path_element.h
     schemeshard_path.cpp
     schemeshard_path.h
@@ -182,20 +182,20 @@ SRCS(
     schemeshard_user_attr_limits.h
     schemeshard_utils.cpp
     schemeshard_utils.h
-    schemeshard_export__cancel.cpp 
-    schemeshard_export__create.cpp 
-    schemeshard_export__forget.cpp 
-    schemeshard_export__get.cpp 
-    schemeshard_export__list.cpp 
-    schemeshard_export_flow_proposals.cpp 
-    schemeshard_export.cpp 
-    schemeshard_import__cancel.cpp 
-    schemeshard_import__create.cpp 
-    schemeshard_import__forget.cpp 
-    schemeshard_import__get.cpp 
-    schemeshard_import__list.cpp 
-    schemeshard_import_flow_proposals.cpp 
-    schemeshard_import.cpp 
+    schemeshard_export__cancel.cpp
+    schemeshard_export__create.cpp
+    schemeshard_export__forget.cpp
+    schemeshard_export__get.cpp
+    schemeshard_export__list.cpp
+    schemeshard_export_flow_proposals.cpp
+    schemeshard_export.cpp
+    schemeshard_import__cancel.cpp
+    schemeshard_import__create.cpp
+    schemeshard_import__forget.cpp
+    schemeshard_import__get.cpp
+    schemeshard_import__list.cpp
+    schemeshard_import_flow_proposals.cpp
+    schemeshard_import.cpp
     schemeshard_build_index.cpp
     schemeshard_build_index__cancel.cpp
     schemeshard_build_index__forget.cpp
@@ -207,10 +207,10 @@ SRCS(
     operation_queue_timer.h
 )
 
-GENERATE_ENUM_SERIALIZATION(schemeshard_info_types.h) 
+GENERATE_ENUM_SERIALIZATION(schemeshard_info_types.h)
 
 GENERATE_ENUM_SERIALIZATION(schemeshard_types.h)
- 
+
 PEERDIR(
     contrib/libs/protobuf
     library/cpp/deprecated/enum_codegen
@@ -248,13 +248,13 @@ PEERDIR(
 YQL_LAST_ABI_VERSION()
 
 IF (OS_WINDOWS)
-    SRCS( 
-        schemeshard_import_scheme_getter_fallback.cpp 
-    ) 
-ELSE() 
-    SRCS( 
-        schemeshard_import_scheme_getter.cpp 
-    ) 
-ENDIF() 
- 
+    SRCS(
+        schemeshard_import_scheme_getter_fallback.cpp
+    )
+ELSE()
+    SRCS(
+        schemeshard_import_scheme_getter.cpp
+    )
+ENDIF()
+
 END()
diff --git a/ydb/core/tx/sequenceproxy/sequenceproxy_resolve.cpp b/ydb/core/tx/sequenceproxy/sequenceproxy_resolve.cpp
index e69332cdf5..8dede91331 100644
--- a/ydb/core/tx/sequenceproxy/sequenceproxy_resolve.cpp
+++ b/ydb/core/tx/sequenceproxy/sequenceproxy_resolve.cpp
@@ -59,7 +59,7 @@ namespace NSequenceProxy {
                     InitPath(entry, path);
                 },
                 Path);
-            entry.ShowPrivatePath = true; 
+            entry.ShowPrivatePath = true;
             entry.SyncVersion = SyncVersion;
             Send(schemeCache, new TEvTxProxySchemeCache::TEvNavigateKeySet(req.Release()));
             Become(&TThis::StateWork);
diff --git a/ydb/core/tx/sequenceproxy/sequenceproxy_ut.cpp b/ydb/core/tx/sequenceproxy/sequenceproxy_ut.cpp
index 5d10a01c93..f08203fca0 100644
--- a/ydb/core/tx/sequenceproxy/sequenceproxy_ut.cpp
+++ b/ydb/core/tx/sequenceproxy/sequenceproxy_ut.cpp
@@ -64,8 +64,8 @@ Y_UNIT_TEST_SUITE(SequenceProxy) {
 
         void StartSchemeCache(TTestActorRuntime& runtime, const TString& root = DOMAIN1_NAME) {
             for (ui32 nodeIndex = 0; nodeIndex < runtime.GetNodeCount(); ++nodeIndex) {
-                auto cacheConfig = MakeIntrusive<NSchemeCache::TSchemeCacheConfig>(); 
-                cacheConfig->Roots.emplace_back(1, SCHEME_SHARD1_ID, root); 
+                auto cacheConfig = MakeIntrusive<NSchemeCache::TSchemeCacheConfig>();
+                cacheConfig->Roots.emplace_back(1, SCHEME_SHARD1_ID, root);
                 cacheConfig->Counters = new NMonitoring::TDynamicCounters();
 
                 IActor* schemeCache = CreateSchemeBoardSchemeCache(cacheConfig.Get());
diff --git a/ydb/core/tx/tx_allocator_client/actor_client.cpp b/ydb/core/tx/tx_allocator_client/actor_client.cpp
index 12409020cc..20909a8401 100644
--- a/ydb/core/tx/tx_allocator_client/actor_client.cpp
+++ b/ydb/core/tx/tx_allocator_client/actor_client.cpp
@@ -1,122 +1,122 @@
-#include "actor_client.h" 
-#include "client.h" 
- 
+#include "actor_client.h"
+#include "client.h"
+
 #include <ydb/core/base/tablet_pipe.h>
- 
+
 #include <library/cpp/actors/core/actor_bootstrapped.h>
 #include <library/cpp/actors/core/hfunc.h>
- 
-#include <util/generic/deque.h> 
- 
-namespace NKikimr { 
- 
-class TTxAllocatorClientActor: public TActorBootstrapped<TTxAllocatorClientActor> { 
-    struct TDelayedRequest { 
+
+#include <util/generic/deque.h>
+
+namespace NKikimr {
+
+class TTxAllocatorClientActor: public TActorBootstrapped<TTxAllocatorClientActor> {
+    struct TDelayedRequest {
         TActorId Sender;
-        ui64 Cookie; 
+        ui64 Cookie;
         ui64 Count;
-    }; 
- 
-    static NTabletPipe::TClientConfig InitPipeClientConfig() { 
-        NTabletPipe::TClientConfig config; 
+    };
+
+    static NTabletPipe::TClientConfig InitPipeClientConfig() {
+        NTabletPipe::TClientConfig config;
         config.RetryPolicy = {
             .RetryLimitCount = 3,
             .MinRetryTime = TDuration::MilliSeconds(100),
             .MaxRetryTime = TDuration::Seconds(1),
             .BackoffMultiplier = 5
         };
-        return config; 
-    } 
- 
-    static const NTabletPipe::TClientConfig& GetPipeClientConfig() { 
-        static const NTabletPipe::TClientConfig config = InitPipeClientConfig(); 
-        return config; 
-    } 
- 
-    void Handle(TEvTxAllocatorClient::TEvAllocate::TPtr& ev, const TActorContext& ctx) { 
+        return config;
+    }
+
+    static const NTabletPipe::TClientConfig& GetPipeClientConfig() {
+        static const NTabletPipe::TClientConfig config = InitPipeClientConfig();
+        return config;
+    }
+
+    void Handle(TEvTxAllocatorClient::TEvAllocate::TPtr& ev, const TActorContext& ctx) {
         TVector<ui64> txIds = TxAllocatorClient.AllocateTxIds(ev->Get()->Count, ctx);
- 
+
         if (txIds) {
             Send(ev->Sender, new TEvTxAllocatorClient::TEvAllocateResult(std::move(txIds)), 0, ev->Cookie);
-        } else { 
+        } else {
             DelayedRequests.push_back({ev->Sender, ev->Cookie, ev->Get()->Count});
-        } 
-    } 
- 
-    void Handle(TEvTxAllocator::TEvAllocateResult::TPtr& ev, const TActorContext& ctx) { 
-        TxAllocatorClient.OnAllocateResult(ev, ctx); 
- 
-        while (!DelayedRequests.empty()) { 
+        }
+    }
+
+    void Handle(TEvTxAllocator::TEvAllocateResult::TPtr& ev, const TActorContext& ctx) {
+        TxAllocatorClient.OnAllocateResult(ev, ctx);
+
+        while (!DelayedRequests.empty()) {
             const TDelayedRequest& request = DelayedRequests.front();
- 
+
             TVector<ui64> txIds = TxAllocatorClient.AllocateTxIds(request.Count, ctx);
 
             if (!txIds) {
-                break; 
-            } 
- 
+                break;
+            }
+
             Send(request.Sender, new TEvTxAllocatorClient::TEvAllocateResult(std::move(txIds)), 0, request.Cookie);
-            DelayedRequests.pop_front(); 
-        } 
-    } 
- 
-    void Handle(TEvTabletPipe::TEvClientConnected::TPtr& ev, const TActorContext& ctx) { 
-        if (!PipeClientCache->OnConnect(ev)) { 
-            TxAllocatorClient.SendRequest(ev->Get()->TabletId, ctx); 
-        } 
-    } 
- 
-    void Handle(TEvTabletPipe::TEvClientDestroyed::TPtr& ev, const TActorContext& ctx) { 
-        PipeClientCache->OnDisconnect(ev); 
-        TxAllocatorClient.SendRequest(ev->Get()->TabletId, ctx); 
-    } 
- 
-    void Die(const TActorContext& ctx) override { 
-        PipeClientCache->Detach(ctx); 
-        PipeClientCache.Destroy(); 
- 
-        TActor::Die(ctx); 
-    } 
- 
-public: 
-    static constexpr NKikimrServices::TActivity::EType ActorActivityType() { 
-        return NKikimrServices::TActivity::TX_ALLOCATOR_CLIENT_ACTOR; 
-    } 
- 
-    explicit TTxAllocatorClientActor(const TVector<ui64>& txAllocators) 
-        : PipeClientCache(NTabletPipe::CreateUnboundedClientCache(GetPipeClientConfig())) 
-        , TxAllocatorClient(NKikimrServices::TX_ALLOCATOR_CLIENT, PipeClientCache.Get(), txAllocators) 
-    { 
-    } 
- 
-    void Bootstrap(const TActorContext& ctx) { 
-        TxAllocatorClient.Bootstrap(ctx); 
-        Become(&TThis::StateWork); 
-    } 
- 
-    STFUNC(StateWork) { 
-        switch (ev->GetTypeRewrite()) { 
-            HFunc(TEvTxAllocatorClient::TEvAllocate, Handle); 
- 
-            HFunc(TEvTxAllocator::TEvAllocateResult, Handle); 
- 
-            HFunc(TEvTabletPipe::TEvClientDestroyed, Handle); 
-            HFunc(TEvTabletPipe::TEvClientConnected, Handle); 
- 
-            CFunc(TEvents::TEvPoisonPill::EventType, Die); 
-        } 
-    } 
- 
-private: 
-    THolder<NTabletPipe::IClientCache> PipeClientCache; 
-    TTxAllocatorClient TxAllocatorClient; 
- 
-    TDeque<TDelayedRequest> DelayedRequests; 
- 
-}; // TTxAllocatorClientActor 
- 
-IActor* CreateTxAllocatorClient(const TVector<ui64>& txAllocators) { 
-    return new TTxAllocatorClientActor(txAllocators); 
-} 
- 
-} // NKikimr 
+            DelayedRequests.pop_front();
+        }
+    }
+
+    void Handle(TEvTabletPipe::TEvClientConnected::TPtr& ev, const TActorContext& ctx) {
+        if (!PipeClientCache->OnConnect(ev)) {
+            TxAllocatorClient.SendRequest(ev->Get()->TabletId, ctx);
+        }
+    }
+
+    void Handle(TEvTabletPipe::TEvClientDestroyed::TPtr& ev, const TActorContext& ctx) {
+        PipeClientCache->OnDisconnect(ev);
+        TxAllocatorClient.SendRequest(ev->Get()->TabletId, ctx);
+    }
+
+    void Die(const TActorContext& ctx) override {
+        PipeClientCache->Detach(ctx);
+        PipeClientCache.Destroy();
+
+        TActor::Die(ctx);
+    }
+
+public:
+    static constexpr NKikimrServices::TActivity::EType ActorActivityType() {
+        return NKikimrServices::TActivity::TX_ALLOCATOR_CLIENT_ACTOR;
+    }
+
+    explicit TTxAllocatorClientActor(const TVector<ui64>& txAllocators)
+        : PipeClientCache(NTabletPipe::CreateUnboundedClientCache(GetPipeClientConfig()))
+        , TxAllocatorClient(NKikimrServices::TX_ALLOCATOR_CLIENT, PipeClientCache.Get(), txAllocators)
+    {
+    }
+
+    void Bootstrap(const TActorContext& ctx) {
+        TxAllocatorClient.Bootstrap(ctx);
+        Become(&TThis::StateWork);
+    }
+
+    STFUNC(StateWork) {
+        switch (ev->GetTypeRewrite()) {
+            HFunc(TEvTxAllocatorClient::TEvAllocate, Handle);
+
+            HFunc(TEvTxAllocator::TEvAllocateResult, Handle);
+
+            HFunc(TEvTabletPipe::TEvClientDestroyed, Handle);
+            HFunc(TEvTabletPipe::TEvClientConnected, Handle);
+
+            CFunc(TEvents::TEvPoisonPill::EventType, Die);
+        }
+    }
+
+private:
+    THolder<NTabletPipe::IClientCache> PipeClientCache;
+    TTxAllocatorClient TxAllocatorClient;
+
+    TDeque<TDelayedRequest> DelayedRequests;
+
+}; // TTxAllocatorClientActor
+
+IActor* CreateTxAllocatorClient(const TVector<ui64>& txAllocators) {
+    return new TTxAllocatorClientActor(txAllocators);
+}
+
+} // NKikimr
diff --git a/ydb/core/tx/tx_allocator_client/actor_client.h b/ydb/core/tx/tx_allocator_client/actor_client.h
index 66c3fdfdfb..93d7caacce 100644
--- a/ydb/core/tx/tx_allocator_client/actor_client.h
+++ b/ydb/core/tx/tx_allocator_client/actor_client.h
@@ -1,25 +1,25 @@
-#pragma once 
- 
-#include "defs.h" 
- 
-#include <util/generic/vector.h> 
- 
-namespace NKikimr { 
- 
-struct TEvTxAllocatorClient { 
-    enum EEv { 
-        EvAllocate = EventSpaceBegin(TKikimrEvents::ES_TX_ALLOCATOR_CLIENT), 
-        EvAllocateResult, 
- 
-        EvEnd, 
-    }; 
- 
-    static_assert( 
-        EvEnd < EventSpaceEnd(TKikimrEvents::ES_TX_ALLOCATOR_CLIENT), 
-        "expect End < EventSpaceEnd(ES_TX_ALLOCATOR_CLIENT)" 
-    ); 
- 
-    struct TEvAllocate: public TEventLocal<TEvAllocate, EvAllocate> { 
+#pragma once
+
+#include "defs.h"
+
+#include <util/generic/vector.h>
+
+namespace NKikimr {
+
+struct TEvTxAllocatorClient {
+    enum EEv {
+        EvAllocate = EventSpaceBegin(TKikimrEvents::ES_TX_ALLOCATOR_CLIENT),
+        EvAllocateResult,
+
+        EvEnd,
+    };
+
+    static_assert(
+        EvEnd < EventSpaceEnd(TKikimrEvents::ES_TX_ALLOCATOR_CLIENT),
+        "expect End < EventSpaceEnd(ES_TX_ALLOCATOR_CLIENT)"
+    );
+
+    struct TEvAllocate: public TEventLocal<TEvAllocate, EvAllocate> {
         const ui32 Count = 1;
 
         TEvAllocate() = default;
@@ -29,26 +29,26 @@ struct TEvTxAllocatorClient {
         {
             Y_VERIFY(count > 0);
         }
-    }; 
- 
-    struct TEvAllocateResult: public TEventLocal<TEvAllocateResult, EvAllocateResult> { 
+    };
+
+    struct TEvAllocateResult: public TEventLocal<TEvAllocateResult, EvAllocateResult> {
         const TVector<ui64> TxIds;
- 
-        TEvAllocateResult() = default; 
- 
-        explicit TEvAllocateResult(ui64 txId) 
+
+        TEvAllocateResult() = default;
+
+        explicit TEvAllocateResult(ui64 txId)
             : TxIds(1, txId)
-        { 
-        } 
+        {
+        }
 
         explicit TEvAllocateResult(TVector<ui64>&& txIds)
             : TxIds(std::move(txIds))
         {
         }
-    }; 
- 
-}; // TTxAllocatorClientEvents 
- 
-IActor* CreateTxAllocatorClient(const TVector<ui64>& txAllocators); 
- 
-} // NKikimr 
+    };
+
+}; // TTxAllocatorClientEvents
+
+IActor* CreateTxAllocatorClient(const TVector<ui64>& txAllocators);
+
+} // NKikimr
diff --git a/ydb/core/tx/tx_allocator_client/client.cpp b/ydb/core/tx/tx_allocator_client/client.cpp
index 777b533fe1..d33144a166 100644
--- a/ydb/core/tx/tx_allocator_client/client.cpp
+++ b/ydb/core/tx/tx_allocator_client/client.cpp
@@ -1,4 +1,4 @@
-#include "client.h" 
+#include "client.h"
 
 void NKikimr::TTxAllocatorClient::AddAllocationRange(const NKikimr::TTxAllocatorClient::TTabletId &from, const NKikimrTx::TEvTxAllocateResult &allocation) {
     ReservedRanges.emplace_back(from, allocation.GetRangeBegin(), allocation.GetRangeEnd());
diff --git a/ydb/core/tx/tx_allocator_client/client.h b/ydb/core/tx/tx_allocator_client/client.h
index af370d2b9b..d316e0eac2 100644
--- a/ydb/core/tx/tx_allocator_client/client.h
+++ b/ydb/core/tx/tx_allocator_client/client.h
@@ -1,19 +1,19 @@
-#pragma once 
- 
-#include "defs.h" 
- 
+#pragma once
+
+#include "defs.h"
+
 #include <ydb/core/protos/services.pb.h>
 #include <ydb/core/tablet/tablet_pipe_client_cache.h>
 #include <ydb/core/tx/tx_allocator/txallocator.h>
- 
-#include <util/generic/ptr.h> 
-#include <util/generic/vector.h> 
- 
-namespace NKikimr { 
- 
-class TTxAllocatorClient { 
-    using TTabletId = ui64; 
- 
+
+#include <util/generic/ptr.h>
+#include <util/generic/vector.h>
+
+namespace NKikimr {
+
+class TTxAllocatorClient {
+    using TTabletId = ui64;
+
     void RegisterRequest(const TTabletId& from, const TActorContext& ctx) {
         if (AllocationRequestsInFly.insert(from).second) {
             SendRequest(from, ctx);
@@ -44,51 +44,51 @@ public:
     bool OnAllocateResult(TEvTxAllocator::TEvAllocateResult::TPtr& ev, const TActorContext& ctx);
 
 private:
-    struct TAllocationRange { 
-        TTabletId Source = 0; 
-        ui64 Begin = 0; 
-        ui64 End = 0; 
- 
-        TAllocationRange() = default; 
- 
-        explicit TAllocationRange(const TTabletId& source, ui64 begin, ui64 end) 
-            : Source(source) 
-            , Begin(begin) 
-            , End(end) 
-        { 
-        } 
- 
-        TTabletId AllocatedFrom() const { 
-            return Source; 
-        } 
- 
-        ui64 Capacity() const { 
-            return End - Begin; 
-        } 
- 
-        bool Empty() const { 
-            return Capacity() == 0; 
-        } 
- 
-        ui64 Allocate() { 
-            Y_VERIFY(Capacity() >= 1); 
-            return ++Begin; 
-        } 
-    }; 
- 
-    NKikimrServices::EServiceKikimr Service; 
-    NTabletPipe::IClientCache* PipeClientCache; 
- 
-    TVector<TTabletId> TxAllocators; 
-    THashSet<TTabletId> AllocationRequestsInFly; 
+    struct TAllocationRange {
+        TTabletId Source = 0;
+        ui64 Begin = 0;
+        ui64 End = 0;
+
+        TAllocationRange() = default;
+
+        explicit TAllocationRange(const TTabletId& source, ui64 begin, ui64 end)
+            : Source(source)
+            , Begin(begin)
+            , End(end)
+        {
+        }
+
+        TTabletId AllocatedFrom() const {
+            return Source;
+        }
+
+        ui64 Capacity() const {
+            return End - Begin;
+        }
+
+        bool Empty() const {
+            return Capacity() == 0;
+        }
+
+        ui64 Allocate() {
+            Y_VERIFY(Capacity() >= 1);
+            return ++Begin;
+        }
+    };
+
+    NKikimrServices::EServiceKikimr Service;
+    NTabletPipe::IClientCache* PipeClientCache;
+
+    TVector<TTabletId> TxAllocators;
+    THashSet<TTabletId> AllocationRequestsInFly;
     static constexpr ui64 BatchAllocationWarning = 500;
-    static constexpr ui64 RequestPerAllocator = 5000; 
-    static constexpr ui64 PreRequestThreshhold = RequestPerAllocator / 3; 
- 
+    static constexpr ui64 RequestPerAllocator = 5000;
+    static constexpr ui64 PreRequestThreshhold = RequestPerAllocator / 3;
+
     const ui64 MaxCapacity = 0;
     ui64 Capacity = 0;
     TDeque<TAllocationRange> ReservedRanges;
- 
-}; // TTxAllocatorClient 
- 
-} // NKikimr 
+
+}; // TTxAllocatorClient
+
+} // NKikimr
diff --git a/ydb/core/tx/tx_allocator_client/defs.h b/ydb/core/tx/tx_allocator_client/defs.h
index 0fde518887..bbae7d3179 100644
--- a/ydb/core/tx/tx_allocator_client/defs.h
+++ b/ydb/core/tx/tx_allocator_client/defs.h
@@ -1,4 +1,4 @@
-#pragma once 
- 
+#pragma once
+
 #include <ydb/core/base/defs.h>
 #include <ydb/core/base/events.h>
diff --git a/ydb/core/tx/tx_allocator_client/ya.make b/ydb/core/tx/tx_allocator_client/ya.make
index 63307d09ef..c4c4ab00ec 100644
--- a/ydb/core/tx/tx_allocator_client/ya.make
+++ b/ydb/core/tx/tx_allocator_client/ya.make
@@ -1,20 +1,20 @@
-LIBRARY() 
- 
-OWNER( 
-    ilnaz 
-    g:kikimr 
-) 
- 
-PEERDIR( 
+LIBRARY()
+
+OWNER(
+    ilnaz
+    g:kikimr
+)
+
+PEERDIR(
     ydb/core/base
     ydb/core/protos
     ydb/core/tablet
     ydb/core/tx/tx_allocator
-) 
- 
-SRCS( 
-    actor_client.cpp 
-    client.cpp 
-) 
- 
-END() 
+)
+
+SRCS(
+    actor_client.cpp
+    client.cpp
+)
+
+END()
diff --git a/ydb/core/tx/tx_proxy/datareq.cpp b/ydb/core/tx/tx_proxy/datareq.cpp
index 94fe9565fa..af48b42d60 100644
--- a/ydb/core/tx/tx_proxy/datareq.cpp
+++ b/ydb/core/tx/tx_proxy/datareq.cpp
@@ -1257,12 +1257,12 @@ void TDataReq::Handle(TEvTxProxyReq::TEvMakeRequest::TPtr &ev, const TActorConte
     if (txbody.HasReadTableTransaction()) {
         ReadTableRequest = new TReadTableRequest(txbody.GetReadTableTransaction());
         TAutoPtr<NSchemeCache::TSchemeCacheNavigate> request(new NSchemeCache::TSchemeCacheNavigate());
-        request->DatabaseName = record.GetDatabaseName(); 
+        request->DatabaseName = record.GetDatabaseName();
 
         NSchemeCache::TSchemeCacheNavigate::TEntry entry;
         entry.Path = SplitPath(ReadTableRequest->TablePath);
         entry.Operation = NSchemeCache::TSchemeCacheNavigate::OpTable;
-        entry.ShowPrivatePath = true; 
+        entry.ShowPrivatePath = true;
         request->ResultSet.push_back(entry);
 
         ctx.Send(Services.SchemeCache, new TEvTxProxySchemeCache::TEvNavigateKeySet(request));
@@ -1365,7 +1365,7 @@ void TDataReq::Handle(TEvTxProxyReq::TEvMakeRequest::TPtr &ev, const TActorConte
                 NKikimrIssues::TStatusIds::TRANSIENT, false, ctx);
     }
 
-    resolveReq->Request->DatabaseName = record.GetDatabaseName(); 
+    resolveReq->Request->DatabaseName = record.GetDatabaseName();
     TxProxyMon->MakeRequestProxyAccepted->Inc();
     LOG_DEBUG_S_SAMPLED_BY(ctx, NKikimrServices::TX_PROXY, TxId,
         "Actor# " << ctx.SelfID.ToString() << " txid# " << TxId
@@ -1517,7 +1517,7 @@ void TDataReq::Handle(TEvTxProxySchemeCache::TEvNavigateKeySetResult::TPtr &ev,
     WallClockResolveStarted = Now();
 
     TAutoPtr<NSchemeCache::TSchemeCacheRequest> request(new NSchemeCache::TSchemeCacheRequest);
-    request->DomainOwnerId = res.DomainInfo->ExtractSchemeShard(); 
+    request->DomainOwnerId = res.DomainInfo->ExtractSchemeShard();
     request->ResultSet.emplace_back(std::move(ReadTableRequest->KeyDesc));
     ctx.Send(Services.SchemeCache, new TEvTxProxySchemeCache::TEvResolveKeySet(request));
 }
@@ -1606,25 +1606,25 @@ void TDataReq::Handle(TEvTxProxySchemeCache::TEvResolveKeySetResult::TPtr &ev, c
             ReportStatus(TEvTxUserProxy::TEvProposeTransactionStatus::EStatus::AccessDenied, NKikimrIssues::TStatusIds::ACCESS_DENIED, true, ctx);
             return Die(ctx);
         }
- 
-        if (FlatMKQLRequest && entry.Kind == NSchemeCache::TSchemeCacheRequest::KindAsyncIndexTable) { 
-            TMaybe<TString> error; 
- 
-            if (entry.KeyDescription->RowOperation != TKeyDesc::ERowOperation::Read) { 
-                error = TStringBuilder() << "Non-read operations can't be performed on async index table" 
-                    << ": " << entry.KeyDescription->TableId; 
+
+        if (FlatMKQLRequest && entry.Kind == NSchemeCache::TSchemeCacheRequest::KindAsyncIndexTable) {
+            TMaybe<TString> error;
+
+            if (entry.KeyDescription->RowOperation != TKeyDesc::ERowOperation::Read) {
+                error = TStringBuilder() << "Non-read operations can't be performed on async index table"
+                    << ": " << entry.KeyDescription->TableId;
             } else if (entry.KeyDescription->ReadTarget.GetMode() != TReadTarget::EMode::Follower) {
-                error = TStringBuilder() << "Read operation can be performed on async index table" 
-                    << ": " << entry.KeyDescription->TableId << " only with StaleRO isolation level"; 
-            } 
- 
-            if (error) { 
-                LOG_ERROR_S(ctx, NKikimrServices::TX_PROXY, *error); 
-                IssueManager.RaiseIssue(MakeIssue(NKikimrIssues::TIssuesIds::GENERIC_TXPROXY_ERROR, *error)); 
-                ReportStatus(TEvTxUserProxy::TEvProposeTransactionStatus::EStatus::ExecError, NKikimrIssues::TStatusIds::NOTSUPPORTED, true, ctx); 
-                return Die(ctx); 
-            } 
-        } 
+                error = TStringBuilder() << "Read operation can be performed on async index table"
+                    << ": " << entry.KeyDescription->TableId << " only with StaleRO isolation level";
+            }
+
+            if (error) {
+                LOG_ERROR_S(ctx, NKikimrServices::TX_PROXY, *error);
+                IssueManager.RaiseIssue(MakeIssue(NKikimrIssues::TIssuesIds::GENERIC_TXPROXY_ERROR, *error));
+                ReportStatus(TEvTxUserProxy::TEvProposeTransactionStatus::EStatus::ExecError, NKikimrIssues::TStatusIds::NOTSUPPORTED, true, ctx);
+                return Die(ctx);
+            }
+        }
     }
 
     if (!CheckDomainLocality(*request)) {
diff --git a/ydb/core/tx/tx_proxy/describe.cpp b/ydb/core/tx/tx_proxy/describe.cpp
index a1882daf4d..deb38ca2b7 100644
--- a/ydb/core/tx/tx_proxy/describe.cpp
+++ b/ydb/core/tx/tx_proxy/describe.cpp
@@ -270,11 +270,11 @@ void TDescribeReq::Handle(TEvTxProxyReq::TEvNavigateScheme::TPtr &ev, const TAct
     }
 
     TAutoPtr<NSchemeCache::TSchemeCacheNavigate> request(new NSchemeCache::TSchemeCacheNavigate());
-    request->DatabaseName = record.GetDatabaseName(); 
+    request->DatabaseName = record.GetDatabaseName();
     NSchemeCache::TSchemeCacheNavigate::TEntry entry;
     entry.Operation = NSchemeCache::TSchemeCacheNavigate::OpPath;
-    entry.SyncVersion = true; 
-    entry.ShowPrivatePath = record.GetDescribePath().GetOptions().GetShowPrivateTable(); 
+    entry.SyncVersion = true;
+    entry.ShowPrivatePath = record.GetDescribePath().GetOptions().GetShowPrivateTable();
     entry.Path = SplitPath(record.GetDescribePath().GetPath());
     if (entry.Path.empty()) {
         ReportError(NKikimrScheme::StatusInvalidParameter, "Invalid path", ctx);
@@ -284,7 +284,7 @@ void TDescribeReq::Handle(TEvTxProxyReq::TEvNavigateScheme::TPtr &ev, const TAct
 
     request->ResultSet.emplace_back(entry);
 
-    ctx.Send(Services.SchemeCache, new TEvTxProxySchemeCache::TEvNavigateKeySet(request), 0, SourceCookie); 
+    ctx.Send(Services.SchemeCache, new TEvTxProxySchemeCache::TEvNavigateKeySet(request), 0, SourceCookie);
 
     SchemeRequest = ev->Release();
     Become(&TThis::StateWaitResolve);
@@ -363,7 +363,7 @@ void TDescribeReq::Handle(TEvTxProxySchemeCache::TEvNavigateKeySetResult::TPtr &
         return SendSystemViewResult(entry, path, ctx);
     }
 
-    const ui64 shardToRequest = entry.DomainInfo->ExtractSchemeShard(); 
+    const ui64 shardToRequest = entry.DomainInfo->ExtractSchemeShard();
 
     TAutoPtr<NSchemeShard::TEvSchemeShard::TEvDescribeScheme> req(
         new NSchemeShard::TEvSchemeShard::TEvDescribeScheme(describePath));
@@ -386,7 +386,7 @@ void TDescribeReq::Handle(NSchemeShard::TEvSchemeShard::TEvDescribeSchemeResult:
 
     TxProxyMon->NavigateLatency->Collect((ctx.Now() - WallClockStarted).MilliSeconds());
 
-    if (AppData()->FeatureFlags.GetEnableSystemViews()) { 
+    if (AppData()->FeatureFlags.GetEnableSystemViews()) {
         const auto& pathDescription = ev->Get()->GetRecord().GetPathDescription();
         const auto& self = pathDescription.GetSelf();
 
diff --git a/ydb/core/tx/tx_proxy/proxy.h b/ydb/core/tx/tx_proxy/proxy.h
index 8c933dc244..86d4f1ac79 100644
--- a/ydb/core/tx/tx_proxy/proxy.h
+++ b/ydb/core/tx/tx_proxy/proxy.h
@@ -42,18 +42,18 @@ struct TEvTxUserProxy {
         EvInvalidateTable,
         EvInvalidateTableResult,
 
-        EvCancelBackupRequestDeprecated, 
-        EvCancelBackupResultDeprecated, 
+        EvCancelBackupRequestDeprecated,
+        EvCancelBackupResultDeprecated,
 
         EvProposeKqpTransaction,
 
         EvAllocateTxId,
         EvAllocateTxIdResult,
 
-        // deprecated 
-        EvExportRequest = EvProposeTransaction + 2 * 512, 
-        EvExportResponse, 
- 
+        // deprecated
+        EvExportRequest = EvProposeTransaction + 2 * 512,
+        EvExportResponse,
+
         EvUploadRowsResponse,
 
         EvGetProxyServicesRequest,
@@ -177,7 +177,7 @@ struct TEvTxUserProxy {
         TEvProposeKqpTransaction(const TActorId& executerId)
             : ExecuterId(executerId) {}
     };
- 
+
     struct TEvAllocateTxId : public TEventLocal<TEvAllocateTxId, EvAllocateTxId> {
         // empty
     };
diff --git a/ydb/core/tx/tx_proxy/proxy_ext_tenant_ut.cpp b/ydb/core/tx/tx_proxy/proxy_ext_tenant_ut.cpp
index b41bce3bbb..ff7c9579d8 100644
--- a/ydb/core/tx/tx_proxy/proxy_ext_tenant_ut.cpp
+++ b/ydb/core/tx/tx_proxy/proxy_ext_tenant_ut.cpp
@@ -701,47 +701,47 @@ void GenericCases(TTestEnvWithPoolsSupport& env) {
 
 Y_UNIT_TEST_SUITE(TExtSubDomainTest) {
     Y_UNIT_TEST(DeclareAndLs) {
-        TTestEnv env(1, 0); 
+        TTestEnv env(1, 0);
         DeclareAndLs(env);
     }
 
     Y_UNIT_TEST(DeclareAndDrop) {
-        TTestEnv env(1, 0); 
+        TTestEnv env(1, 0);
         DeclareAndDrop(env);
     }
 
     Y_UNIT_TEST(DeclareAndDefineWithoutNodes) {
-        TTestEnvWithPoolsSupport env(1, 0, 2); 
+        TTestEnvWithPoolsSupport env(1, 0, 2);
         DeclareAndDefineWithoutNodes(env);
     }
 
     Y_UNIT_TEST(DeclareAndDefineWithNodes) {
-        TTestEnvWithPoolsSupport env(1, 1, 2); 
+        TTestEnvWithPoolsSupport env(1, 1, 2);
         DeclareAndDefineWithNodes(env);
     }
 
     Y_UNIT_TEST(CreateTableInsideAndLs) {
-        TTestEnvWithPoolsSupport env(1, 1, 2); 
+        TTestEnvWithPoolsSupport env(1, 1, 2);
         CreateTableInsideAndLs(env);
     }
 
     Y_UNIT_TEST(DeclareAndAlterPools) {
-        TTestEnvWithPoolsSupport env(1, 1, 2); 
+        TTestEnvWithPoolsSupport env(1, 1, 2);
         DeclareAndAlterPools(env);
     }
 
     Y_UNIT_TEST(CreateTableInsideThenStopTenantAndForceDeleteSubDomain) {
-        TTestEnvWithPoolsSupport env(1, 1, 2); 
+        TTestEnvWithPoolsSupport env(1, 1, 2);
         CreateTableInsideThenStopTenantAndForceDeleteSubDomain(env);
     }
 
     Y_UNIT_TEST(CreateTableInsideAndAlterDomainAndTable) {
-        TTestEnvWithPoolsSupport env(1, 1, 2); 
+        TTestEnvWithPoolsSupport env(1, 1, 2);
         CreateTableInsideAndAlterDomainAndTable(env);
     }
 
     Y_UNIT_TEST(GenericCases) {
-        TTestEnvWithPoolsSupport env(1, 1, 2); 
+        TTestEnvWithPoolsSupport env(1, 1, 2);
         GenericCases(env);
     }
 }
diff --git a/ydb/core/tx/tx_proxy/proxy_impl.cpp b/ydb/core/tx/tx_proxy/proxy_impl.cpp
index 9ee312393e..20dc8cce17 100644
--- a/ydb/core/tx/tx_proxy/proxy_impl.cpp
+++ b/ydb/core/tx/tx_proxy/proxy_impl.cpp
@@ -47,7 +47,7 @@ class TTxProxy : public TActorBootstrapped<TTxProxy> {
     TTxProxyServices Services;
 
     THolder<NTabletPipe::IClientCache> PipeClientCache;
-    TTxAllocatorClient TxAllocatorClient; 
+    TTxAllocatorClient TxAllocatorClient;
 
     static const TDuration TimeoutDelayedRequest;
     typedef TDelayedQueue<TEvTxUserProxy::TEvProposeTransaction> TDelayedProposal;
@@ -198,7 +198,7 @@ class TTxProxy : public TActorBootstrapped<TTxProxy> {
     }
 
     void Handle(TEvTxAllocator::TEvAllocateResult::TPtr &ev, const TActorContext &ctx) {
-        if (!TxAllocatorClient.OnAllocateResult(ev, ctx)) { 
+        if (!TxAllocatorClient.OnAllocateResult(ev, ctx)) {
             return;
         }
 
@@ -214,7 +214,7 @@ class TTxProxy : public TActorBootstrapped<TTxProxy> {
 
         if(!PipeClientCache->OnConnect(ev)) {
             CheckTimeouts(ctx);
-            TxAllocatorClient.SendRequest(msg->TabletId, ctx); 
+            TxAllocatorClient.SendRequest(msg->TabletId, ctx);
             return;
         }
     }
@@ -228,7 +228,7 @@ class TTxProxy : public TActorBootstrapped<TTxProxy> {
 
         PipeClientCache->OnDisconnect(ev);
         CheckTimeouts(ctx);
-        TxAllocatorClient.SendRequest(msg->TabletId, ctx); 
+        TxAllocatorClient.SendRequest(msg->TabletId, ctx);
     }
 
     void ProcessRequest(TEvTxUserProxy::TEvProposeTransaction::TPtr &ev, const TActorContext &ctx, ui64 txid) {
@@ -422,9 +422,9 @@ class TTxProxy : public TActorBootstrapped<TTxProxy> {
     }
 
 public:
-    TTxProxy(const TVector<ui64> &txAllocators) 
-        : PipeClientCache(NTabletPipe::CreateUnboundedClientCache(GetPipeClientConfig())) 
-        , TxAllocatorClient(NKikimrServices::TX_PROXY, PipeClientCache.Get(), txAllocators) 
+    TTxProxy(const TVector<ui64> &txAllocators)
+        : PipeClientCache(NTabletPipe::CreateUnboundedClientCache(GetPipeClientConfig()))
+        , TxAllocatorClient(NKikimrServices::TX_PROXY, PipeClientCache.Get(), txAllocators)
     {
     }
 
@@ -437,15 +437,15 @@ public:
 
         Services.Proxy = SelfId();
 
-        auto cacheConfig = MakeIntrusive<NSchemeCache::TSchemeCacheConfig>(AppData(ctx), CacheCounters); 
-        Services.SchemeCache = ctx.ExecutorThread.RegisterActor(CreateSchemeBoardSchemeCache(cacheConfig.Get())); 
+        auto cacheConfig = MakeIntrusive<NSchemeCache::TSchemeCacheConfig>(AppData(ctx), CacheCounters);
+        Services.SchemeCache = ctx.ExecutorThread.RegisterActor(CreateSchemeBoardSchemeCache(cacheConfig.Get()));
         ctx.ExecutorThread.ActorSystem->RegisterLocalService(MakeSchemeCacheID(), Services.SchemeCache);
- 
+
         // PipePeNodeCaches are an external dependency
         Services.LeaderPipeCache = MakePipePeNodeCacheID(false);
         Services.FollowerPipeCache = MakePipePeNodeCacheID(true);
 
-        TxAllocatorClient.Bootstrap(ctx); 
+        TxAllocatorClient.Bootstrap(ctx);
 
         Become(&TThis::StateWork);
         LOG_DEBUG_S(ctx, NKikimrServices::TX_PROXY,
diff --git a/ydb/core/tx/tx_proxy/proxy_ut_helpers.h b/ydb/core/tx/tx_proxy/proxy_ut_helpers.h
index 6676a578a6..846b0cf568 100644
--- a/ydb/core/tx/tx_proxy/proxy_ut_helpers.h
+++ b/ydb/core/tx/tx_proxy/proxy_ut_helpers.h
@@ -95,7 +95,7 @@ protected:
 
 class TTestEnv: public TBaseTestEnv {
 public:
-    TTestEnv(ui32 staticNodes = 1, ui32 dynamicNodes = 0) 
+    TTestEnv(ui32 staticNodes = 1, ui32 dynamicNodes = 0)
     {
         Settings = new Tests::TServerSettings(PortManager.GetPort(3534));
 
@@ -188,7 +188,7 @@ void SetRowInSimpletable(TBaseTestEnv& env, ui64 key, ui64 value, const TString
 
 class TTestEnvWithPoolsSupport: public TBaseTestEnv {
 public:
-    TTestEnvWithPoolsSupport(ui32 staticNodes = 1, ui32 dynamicNodes = 0, ui32 poolsCount = 2) 
+    TTestEnvWithPoolsSupport(ui32 staticNodes = 1, ui32 dynamicNodes = 0, ui32 poolsCount = 2)
     {
         Settings = new Tests::TServerSettings(PortManager.GetPort(3534));
         GetSettings().SetEnableMockOnSingleNode(false);
diff --git a/ydb/core/tx/tx_proxy/read_table_impl.cpp b/ydb/core/tx/tx_proxy/read_table_impl.cpp
index 0f5d28326d..6c30975fd9 100644
--- a/ydb/core/tx/tx_proxy/read_table_impl.cpp
+++ b/ydb/core/tx/tx_proxy/read_table_impl.cpp
@@ -471,7 +471,7 @@ private:
         auto& entry = request->ResultSet.emplace_back();
         entry.Path = SplitPath(Settings.TablePath);
         entry.Operation = NSchemeCache::TSchemeCacheNavigate::OpTable;
-        entry.ShowPrivatePath = true; 
+        entry.ShowPrivatePath = true;
 
         TXLOG_D("Sending TEvNagivateKeySet for table '" << Settings.TablePath << "'");
         ctx.Send(Services.SchemeCache, new TEvTxProxySchemeCache::TEvNavigateKeySet(request.Release()));
diff --git a/ydb/core/tx/tx_proxy/schemereq.cpp b/ydb/core/tx/tx_proxy/schemereq.cpp
index a7ebafcd07..923fe381ae 100644
--- a/ydb/core/tx/tx_proxy/schemereq.cpp
+++ b/ydb/core/tx/tx_proxy/schemereq.cpp
@@ -18,13 +18,13 @@ namespace NTxProxy {
 
 static constexpr TStringBuf DocApiRequestType = "_document_api_request";
 static constexpr TStringBuf DocApiTableVersionAttribute = "__document_api_version";
- 
+
 template<typename TDerived>
 struct TBaseSchemeReq: public TActorBootstrapped<TDerived> {
     using TBase = TActorBootstrapped<TDerived>;
- 
+
     using TEvSchemeShardPropose = NSchemeShard::TEvSchemeShard::TEvModifySchemeTransaction;
- 
+
     const TTxProxyServices Services;
     const ui64 TxId;
     THolder<TEvTxProxyReq::TEvSchemeRequest> SchemeRequest;
@@ -78,7 +78,7 @@ struct TBaseSchemeReq: public TActorBootstrapped<TDerived> {
 
         if (UserToken) {
             req->Record.SetUserToken(UserToken->SerializeAsString());
-        } 
+        }
 
         NTabletPipe::TClientConfig clientConfig;
         clientConfig.RetryPolicy = {.RetryLimitCount = 3};
@@ -86,8 +86,8 @@ struct TBaseSchemeReq: public TActorBootstrapped<TDerived> {
         LOG_DEBUG_S(ctx, NKikimrServices::TX_PROXY, "Actor# " << ctx.SelfID.ToString() << " txid# " << TxId
             << " SEND to# " << shardToRequest << " shardToRequest " << req->ToString());
         NTabletPipe::SendData(ctx, PipeClient, req.Release());
-    } 
- 
+    }
+
     static bool IsSplitMergeFromSchemeShard(const NKikimrSchemeOp::TModifyScheme& modifyScheme) {
         return modifyScheme.GetOperationType() == NKikimrSchemeOp::ESchemeOpSplitMergeTablePartitions
                 && modifyScheme.GetSplitMergeTablePartitions().HasTableLocalId();
@@ -142,7 +142,7 @@ struct TBaseSchemeReq: public TActorBootstrapped<TDerived> {
         case NKikimrSchemeOp::ESchemeOpDropColumnStore:
         case NKikimrSchemeOp::ESchemeOpDropColumnTable:
         case NKikimrSchemeOp::ESchemeOpDropSequence:
-        case NKikimrSchemeOp::ESchemeOpDropReplication: 
+        case NKikimrSchemeOp::ESchemeOpDropReplication:
             return *modifyScheme.MutableDrop()->MutableName();
 
         case NKikimrSchemeOp::ESchemeOpAlterTable:
@@ -196,29 +196,29 @@ struct TBaseSchemeReq: public TActorBootstrapped<TDerived> {
 
         case NKikimrSchemeOp::ESchemeOpCreateConsistentCopyTables:
             Y_FAIL("no implementation for ESchemeOpCreateConsistentCopyTables");
- 
+
         case NKikimrSchemeOp::ESchemeOp_DEPRECATED_35:
             Y_FAIL("no implementation for ESchemeOp_DEPRECATED_35");
- 
+
         case NKikimrSchemeOp::ESchemeOpUpgradeSubDomain:
         case NKikimrSchemeOp::ESchemeOpUpgradeSubDomainDecision:
             return *modifyScheme.MutableUpgradeSubDomain()->MutableName();
- 
+
         case NKikimrSchemeOp::ESchemeOpCreateIndexBuild:
             Y_FAIL("no implementation for ESchemeOpCreateIndexBuild");
- 
+
         case NKikimrSchemeOp::ESchemeOpInitiateBuildIndexMainTable:
             Y_FAIL("no implementation for ESchemeOpInitiateBuildIndexMainTable");
- 
+
         case NKikimrSchemeOp::ESchemeOpCreateLockForIndexBuild:
             Y_FAIL("no implementation for ESchemeOpCreateLockForIndexBuild");
- 
+
         case NKikimrSchemeOp::ESchemeOpApplyIndexBuild:
             Y_FAIL("no implementation for ESchemeOpApplyIndexBuild");
- 
+
         case NKikimrSchemeOp::ESchemeOpFinalizeBuildIndexMainTable:
             Y_FAIL("no implementation for ESchemeOpFinalizeBuildIndexMainTable");
- 
+
         case NKikimrSchemeOp::ESchemeOpAlterTableIndex:
             return *modifyScheme.MutableAlterTableIndex()->MutableName();
 
@@ -304,9 +304,9 @@ struct TBaseSchemeReq: public TActorBootstrapped<TDerived> {
         case NKikimrSchemeOp::ESchemeOpAlterSequence:
             return *modifyScheme.MutableSequence()->MutableName();
 
-        case NKikimrSchemeOp::ESchemeOpCreateReplication: 
-        case NKikimrSchemeOp::ESchemeOpAlterReplication: 
-            return *modifyScheme.MutableReplication()->MutableName(); 
+        case NKikimrSchemeOp::ESchemeOpCreateReplication:
+        case NKikimrSchemeOp::ESchemeOpAlterReplication:
+            return *modifyScheme.MutableReplication()->MutableName();
         }
     }
 
@@ -338,27 +338,27 @@ struct TBaseSchemeReq: public TActorBootstrapped<TDerived> {
 
     static THolder<NSchemeCache::TSchemeCacheNavigate> ResolveRequestForAdjustPathNames(NKikimrSchemeOp::TModifyScheme& scheme) {
         auto parts = Merge(SplitPath(scheme.GetWorkingDir()), SplitPath(GetPathNameForScheme(scheme)));
-        if (parts.size() < 2) { 
+        if (parts.size() < 2) {
             return {};
-        } 
- 
+        }
+
         auto request = MakeHolder<NSchemeCache::TSchemeCacheNavigate>();
-        TVector<TString> path; 
- 
-        for (auto it = parts.begin(); it != parts.end() - 1; ++it) { 
-            path.emplace_back(*it); 
- 
+        TVector<TString> path;
+
+        for (auto it = parts.begin(); it != parts.end() - 1; ++it) {
+            path.emplace_back(*it);
+
             NSchemeCache::TSchemeCacheNavigate::TEntry entry;
-            entry.Path = path; 
+            entry.Path = path;
             entry.Operation = NSchemeCache::TSchemeCacheNavigate::EOp::OpPath;
-            entry.SyncVersion = true; 
-            entry.RedirectRequired = false; 
-            request->ResultSet.emplace_back(entry); 
-        } 
- 
+            entry.SyncVersion = true;
+            entry.RedirectRequired = false;
+            request->ResultSet.emplace_back(entry);
+        }
+
         return std::move(request);
-    } 
- 
+    }
+
     void ReportStatus(TEvTxUserProxy::TEvProposeTransactionStatus::EStatus status,
         const NKikimrScheme::TEvModifySchemeTransactionResult* shardResult,
         const NYql::TIssue* issue,
@@ -371,10 +371,10 @@ struct TBaseSchemeReq: public TActorBootstrapped<TDerived> {
         if (shardResult) {
             if (shardResult->HasTxId())
                 result->Record.SetTxId(shardResult->GetTxId());
- 
+
             if (shardResult->HasSchemeshardId())
                 result->Record.SetSchemeShardTabletId(shardResult->GetSchemeshardId());
- 
+
             result->Record.SetSchemeShardStatus(shardResult->GetStatus());
 
             if (shardResult->HasReason() && !shardResult->GetReason().empty())
@@ -545,7 +545,7 @@ struct TBaseSchemeReq: public TActorBootstrapped<TDerived> {
         case NKikimrSchemeOp::ESchemeOpAlterColumnStore:
         case NKikimrSchemeOp::ESchemeOpAlterColumnTable:
         case NKikimrSchemeOp::ESchemeOpAlterSequence:
-        case NKikimrSchemeOp::ESchemeOpAlterReplication: 
+        case NKikimrSchemeOp::ESchemeOpAlterReplication:
         {
             auto toResolve = TPathToResolve(pbModifyScheme.GetOperationType());
             toResolve.Path = Merge(workingDir, SplitPath(GetPathNameForScheme(pbModifyScheme)));
@@ -562,8 +562,8 @@ struct TBaseSchemeReq: public TActorBootstrapped<TDerived> {
         case NKikimrSchemeOp::ESchemeOpDropSolomonVolume:
         case NKikimrSchemeOp::ESchemeOpDropColumnStore:
         case NKikimrSchemeOp::ESchemeOpDropColumnTable:
-        case NKikimrSchemeOp::ESchemeOpDropSequence: 
-        case NKikimrSchemeOp::ESchemeOpDropReplication: { 
+        case NKikimrSchemeOp::ESchemeOpDropSequence:
+        case NKikimrSchemeOp::ESchemeOpDropReplication: {
             auto toResolve = TPathToResolve(pbModifyScheme.GetOperationType());
             toResolve.Path = Merge(workingDir, SplitPath(GetPathNameForScheme(pbModifyScheme)));
             toResolve.RequiredAccess = NACLib::EAccessRights::RemoveSchema;
@@ -619,7 +619,7 @@ struct TBaseSchemeReq: public TActorBootstrapped<TDerived> {
         case NKikimrSchemeOp::ESchemeOpCreateKesus:
         case NKikimrSchemeOp::ESchemeOpCreateSolomonVolume:
         case NKikimrSchemeOp::ESchemeOpCreateSequence:
-        case NKikimrSchemeOp::ESchemeOpCreateReplication: 
+        case NKikimrSchemeOp::ESchemeOpCreateReplication:
         {
             auto toResolve = TPathToResolve(pbModifyScheme.GetOperationType());
             toResolve.Path = workingDir;
@@ -733,7 +733,7 @@ struct TBaseSchemeReq: public TActorBootstrapped<TDerived> {
             entry.Path = toReq.Path;
             entry.RedirectRequired = toReq.RequiredRedirect;
             entry.SyncVersion = true;
-            entry.ShowPrivatePath = true; 
+            entry.ShowPrivatePath = true;
 
             request->ResultSet.emplace_back(std::move(entry));
         }
@@ -763,8 +763,8 @@ struct TBaseSchemeReq: public TActorBootstrapped<TDerived> {
         }
     }
 
-    void InterpretResolveError(const NSchemeCache::TSchemeCacheNavigate* navigate, const TActorContext &ctx) { 
-        for (const auto& entry: navigate->ResultSet) { 
+    void InterpretResolveError(const NSchemeCache::TSchemeCacheNavigate* navigate, const TActorContext &ctx) {
+        for (const auto& entry: navigate->ResultSet) {
             switch (entry.Status) {
             case NSchemeCache::TSchemeCacheNavigate::EStatus::Ok:
                 continue;
@@ -811,13 +811,13 @@ struct TBaseSchemeReq: public TActorBootstrapped<TDerived> {
 
             return;
         }
- 
-        LOG_ERROR_S(ctx, NKikimrServices::TX_PROXY, "Unexpected response from scheme cache" 
-            << ": " << navigate->ToString(*AppData()->TypeRegistry)); 
-        Y_VERIFY_DEBUG(false, "Unreachable"); 
- 
-        TxProxyMon->ResolveKeySetFail->Inc(); 
-        ReportStatus(TEvTxUserProxy::TEvProposeTransactionStatus::EStatus::ResolveError, ctx); 
+
+        LOG_ERROR_S(ctx, NKikimrServices::TX_PROXY, "Unexpected response from scheme cache"
+            << ": " << navigate->ToString(*AppData()->TypeRegistry));
+        Y_VERIFY_DEBUG(false, "Unreachable");
+
+        TxProxyMon->ResolveKeySetFail->Inc();
+        ReportStatus(TEvTxUserProxy::TEvProposeTransactionStatus::EStatus::ResolveError, ctx);
     }
 
     static bool IsDB(const NSchemeCache::TSchemeCacheNavigate::TEntry& entry) {
@@ -998,7 +998,7 @@ struct TBaseSchemeReq: public TActorBootstrapped<TDerived> {
         Y_VERIFY(!navigate->ResultSet.empty());
 
         if (navigate->ErrorCount > 0) {
-            InterpretResolveError(navigate, ctx); 
+            InterpretResolveError(navigate, ctx);
             return Die(ctx);
         }
 
@@ -1149,44 +1149,44 @@ void TFlatSchemeReq::ProcessRequest(const TActorContext &ctx) {
     return;
 }
 
-void TFlatSchemeReq::HandleWorkingDir(TEvTxProxySchemeCache::TEvNavigateKeySetResult::TPtr &ev, const TActorContext &ctx) { 
-    LOG_DEBUG_S(ctx, NKikimrServices::TX_PROXY, 
+void TFlatSchemeReq::HandleWorkingDir(TEvTxProxySchemeCache::TEvNavigateKeySetResult::TPtr &ev, const TActorContext &ctx) {
+    LOG_DEBUG_S(ctx, NKikimrServices::TX_PROXY,
                 "Actor# " << ctx.SelfID.ToString()
-                          << " txid# " << TxId 
-                          << " HANDLE EvNavigateKeySetResult TFlatSchemeReq marker# P6"); 
+                          << " txid# " << TxId
+                          << " HANDLE EvNavigateKeySetResult TFlatSchemeReq marker# P6");
     Y_VERIFY(NeedAdjustPathNames(GetModifyScheme()));
- 
+
     const auto& resultSet = ev->Get()->Request->ResultSet;
- 
-    const TVector<TString>* workingDir = nullptr; 
-    for (auto it = resultSet.rbegin(); it != resultSet.rend(); ++it) { 
-        if (it->Status == NSchemeCache::TSchemeCacheNavigate::EStatus::Ok) { 
-            workingDir = &it->Path; 
-            break; 
-        } 
-    } 
- 
+
+    const TVector<TString>* workingDir = nullptr;
+    for (auto it = resultSet.rbegin(); it != resultSet.rend(); ++it) {
+        if (it->Status == NSchemeCache::TSchemeCacheNavigate::EStatus::Ok) {
+            workingDir = &it->Path;
+            break;
+        }
+    }
+
     auto parts = Merge(SplitPath(GetModifyScheme().GetWorkingDir()), SplitPath(GetPathNameForScheme(GetModifyScheme())));
- 
-    if (!workingDir || workingDir->size() >= parts.size()) { 
+
+    if (!workingDir || workingDir->size() >= parts.size()) {
         const TString errText = TStringBuilder()
             << "Cannot resolve working dir"
             << " workingDir# " << (workingDir ? JoinPath(*workingDir) : "null")
             << " path# " << JoinPath(parts);
         LOG_ERROR_S(ctx, NKikimrServices::TX_PROXY, errText);
- 
-        TxProxyMon->ResolveKeySetWrongRequest->Inc(); 
+
+        TxProxyMon->ResolveKeySetWrongRequest->Inc();
         const auto issue = MakeIssue(NKikimrIssues::TIssuesIds::GENERIC_RESOLVE_ERROR, errText);
         ReportStatus(TEvTxUserProxy::TEvProposeTransactionStatus::EStatus::ResolveError, nullptr, &issue, ctx);
-        return Die(ctx); 
-    } 
- 
+        return Die(ctx);
+    }
+
     GetModifyScheme().SetWorkingDir(CombinePath(workingDir->begin(), workingDir->end()));
     GetPathNameForScheme(GetModifyScheme()) = CombinePath(parts.begin() + workingDir->size(), parts.end(), false);
 
-    ProcessRequest(ctx); 
-} 
- 
+    ProcessRequest(ctx);
+}
+
 //////////////////////////////////////////////////////////////
 /// \brief The TFlatSchemeTransactionalReq struct
 /// struct for Trasaction with several ModifySchema
@@ -1219,7 +1219,7 @@ struct TSchemeTransactionalReq : public TBaseSchemeReq<TSchemeTransactionalReq>
             HFunc(NSchemeShard::TEvSchemeShard::TEvModifySchemeTransactionResult, Handle);
             HFunc(TEvTabletPipe::TEvClientConnected, Handle);
             HFunc(TEvTabletPipe::TEvClientDestroyed, Handle);
-        } 
+        }
     }
 };
 
@@ -1249,9 +1249,9 @@ void TSchemeTransactionalReq::Bootstrap(const TActorContext &ctx) {
             ReportStatus(TEvTxUserProxy::TEvProposeTransactionStatus::EStatus::NotImplemented, ctx);
             TxProxyMon->ResolveKeySetWrongRequest->Inc();
             return Die(ctx);
-        } 
-    } 
- 
+        }
+    }
+
     auto resolveRequest = ResolveRequestForACL();
     if (!resolveRequest) {
         ReportStatus(TEvTxUserProxy::TEvProposeTransactionStatus::EStatus::ResolveError, ctx);
diff --git a/ydb/core/tx/tx_proxy/upload_rows_common_impl.h b/ydb/core/tx/tx_proxy/upload_rows_common_impl.h
index 69833f4d09..0aaee7e7f5 100644
--- a/ydb/core/tx/tx_proxy/upload_rows_common_impl.h
+++ b/ydb/core/tx/tx_proxy/upload_rows_common_impl.h
@@ -280,19 +280,19 @@ private:
 
         auto& entry = ResolveNamesResult->ResultSet.front();
 
-        for (const auto& index : entry.Indexes) { 
-            switch (index.GetType()) { 
-            case NKikimrSchemeOp::EIndexTypeGlobalAsync: 
-                if (AppData(ctx)->FeatureFlags.GetEnableBulkUpsertToAsyncIndexedTables()) { 
-                    continue; 
-                } else { 
-                    errorMessage = "Bulk upsert is not supported for tables with indexes"; 
-                    return false; 
-                } 
-            default: 
-                errorMessage = "Only async-indexed tables are supported by BulkUpsert"; 
-                return false; 
-            } 
+        for (const auto& index : entry.Indexes) {
+            switch (index.GetType()) {
+            case NKikimrSchemeOp::EIndexTypeGlobalAsync:
+                if (AppData(ctx)->FeatureFlags.GetEnableBulkUpsertToAsyncIndexedTables()) {
+                    continue;
+                } else {
+                    errorMessage = "Bulk upsert is not supported for tables with indexes";
+                    return false;
+                }
+            default:
+                errorMessage = "Only async-indexed tables are supported by BulkUpsert";
+                return false;
+            }
         }
 
         TVector<ui32> keyColumnIds;
@@ -429,8 +429,8 @@ private:
             return ReplyWithError(Ydb::StatusIds::SCHEME_ERROR, "Invalid table path specified", ctx);
         }
         entry.Operation = NSchemeCache::TSchemeCacheNavigate::OpTable;
-        entry.SyncVersion = true; 
-        entry.ShowPrivatePath = AllowWriteToPrivateTable; 
+        entry.SyncVersion = true;
+        entry.ShowPrivatePath = AllowWriteToPrivateTable;
         request->ResultSet.emplace_back(entry);
         ctx.Send(SchemeCache, new TEvTxProxySchemeCache::TEvNavigateKeySet(request));
 
diff --git a/ydb/core/tx/ya.make b/ydb/core/tx/ya.make
index 1a0d5c5346..5bfe4b3b86 100644
--- a/ydb/core/tx/ya.make
+++ b/ydb/core/tx/ya.make
@@ -34,7 +34,7 @@ RECURSE(
     datashard
     long_tx_service
     mediator
-    replication 
+    replication
     scheme_board
     scheme_cache
     schemeshard
diff --git a/ydb/core/viewer/browse.h b/ydb/core/viewer/browse.h
index 806c73aa5b..c5716f46a7 100644
--- a/ydb/core/viewer/browse.h
+++ b/ydb/core/viewer/browse.h
@@ -85,11 +85,11 @@ public:
         case NKikimrSchemeOp::EPathType::EPathTypeSolomonVolume:
             return NKikimrViewer::EObjectType::SolomonVolume;
         case NKikimrSchemeOp::EPathType::EPathTypeCdcStream:
-            return NKikimrViewer::EObjectType::CdcStream; 
+            return NKikimrViewer::EObjectType::CdcStream;
         case NKikimrSchemeOp::EPathType::EPathTypeSequence:
             return NKikimrViewer::EObjectType::Sequence;
-        case NKikimrSchemeOp::EPathType::EPathTypeReplication: 
-            return NKikimrViewer::EObjectType::Replication; 
+        case NKikimrSchemeOp::EPathType::EPathTypeReplication:
+            return NKikimrViewer::EObjectType::Replication;
         case NKikimrSchemeOp::EPathType::EPathTypeExtSubDomain:
         case NKikimrSchemeOp::EPathType::EPathTypeTableIndex:
         case NKikimrSchemeOp::EPathType::EPathTypeInvalid:
diff --git a/ydb/core/viewer/content/v2/tablet_cell.js b/ydb/core/viewer/content/v2/tablet_cell.js
index 9e6972f0cf..4129ba9dd9 100644
--- a/ydb/core/viewer/content/v2/tablet_cell.js
+++ b/ydb/core/viewer/content/v2/tablet_cell.js
@@ -24,7 +24,7 @@ TabletCell.prototype.tabletTypes = {
     'BlockStorePartition': 'BP',
     'BlockStoreVolume': 'BV',
     'SequenceShard': 'S',
-    'ReplicationController': 'RC', 
+    'ReplicationController': 'RC',
 };
 
 TabletCell.prototype.getTabletType = function() {
diff --git a/ydb/core/viewer/content/viewer.js b/ydb/core/viewer/content/viewer.js
index a90c1e8b89..1108f42278 100644
--- a/ydb/core/viewer/content/viewer.js
+++ b/ydb/core/viewer/content/viewer.js
@@ -1504,8 +1504,8 @@ function tabletTypeToSymbol(type) {
         return "CS";
     case "SequenceShard":
         return "S";
-    case "ReplicationController": 
-        return "RC"; 
+    case "ReplicationController":
+        return "RC";
     }
     return "XX";
 }
@@ -2500,20 +2500,20 @@ function onTreeDataComplete(result, obj, cb) {
                 }
                 obj.describe = result;
             }
-            if (result.PathDescription.Table.CdcStreams) { 
-                var ilen = result.PathDescription.Table.CdcStreams.length; 
-                for (var i = 0; i < ilen; i++) { 
-                    var child = {}; 
-                    child.id = concatPaths(result.Path, result.PathDescription.Table.CdcStreams[i].Name); 
-                    child.parent = result.Path; 
-                    child.text = result.PathDescription.Table.CdcStreams[i].Name; 
-                    child.children = true; 
-                    child.icon = "glyphicon glyphicon-book schema-good"; 
-                    child.data = function(obj1, cb1) { onTreeData(obj1, cb1); }; 
-                    children.push(child); 
-                } 
-                obj.describe = result; 
-            } 
+            if (result.PathDescription.Table.CdcStreams) {
+                var ilen = result.PathDescription.Table.CdcStreams.length;
+                for (var i = 0; i < ilen; i++) {
+                    var child = {};
+                    child.id = concatPaths(result.Path, result.PathDescription.Table.CdcStreams[i].Name);
+                    child.parent = result.Path;
+                    child.text = result.PathDescription.Table.CdcStreams[i].Name;
+                    child.children = true;
+                    child.icon = "glyphicon glyphicon-book schema-good";
+                    child.data = function(obj1, cb1) { onTreeData(obj1, cb1); };
+                    children.push(child);
+                }
+                obj.describe = result;
+            }
         }
         cb.call(this, children);
     } else {
@@ -2594,8 +2594,8 @@ function schemaPathTypeToString(pathType) {
         return "Tenant";
     case 15:
         return "Sequence";
-    case 16: 
-        return "Replication"; 
+    case 16:
+        return "Replication";
     }
 }
 
@@ -2732,7 +2732,7 @@ function onTreeNodeComplete(result, obj) {
             schemaHtml += "</table>";
             panelSchema.innerHTML = schemaHtml;
 
-            var indexes = table.TableIndexes; 
+            var indexes = table.TableIndexes;
             if (indexes !== undefined) {
                 var ilen = indexes.length;
                 var schemaHtml = "<br><table class='schema-table'><tr><th>IndexName</th><th>Columns</th></tr>";
@@ -2750,20 +2750,20 @@ function onTreeNodeComplete(result, obj) {
                 schemaHtml += "</table>";
                 panelSchema.innerHTML += schemaHtml;
             }
- 
-            var cdcStreams = table.CdcStreams; 
-            if (cdcStreams !== undefined) { 
-                var ilen = cdcStreams.length; 
-                var schemaHtml = "<br><table class='schema-table'><tr><th>StreamName</th><th>Mode</th></tr>"; 
-                for (var i = 0; i < ilen; i++) { 
-                    schemaHtml += "<tr>"; 
-                    schemaHtml += "<td>" + cdcStreams[i].Name + "</td>"; 
-                    schemaHtml += "<td>" + cdcStreams[i].Mode + "</td>"; 
-                    schemaHtml += "</tr>" 
-                } 
-                schemaHtml += "</table>"; 
-                panelSchema.innerHTML += schemaHtml; 
-            } 
+
+            var cdcStreams = table.CdcStreams;
+            if (cdcStreams !== undefined) {
+                var ilen = cdcStreams.length;
+                var schemaHtml = "<br><table class='schema-table'><tr><th>StreamName</th><th>Mode</th></tr>";
+                for (var i = 0; i < ilen; i++) {
+                    schemaHtml += "<tr>";
+                    schemaHtml += "<td>" + cdcStreams[i].Name + "</td>";
+                    schemaHtml += "<td>" + cdcStreams[i].Mode + "</td>";
+                    schemaHtml += "</tr>"
+                }
+                schemaHtml += "</table>";
+                panelSchema.innerHTML += schemaHtml;
+            }
         }
 
         var tabLen;
@@ -3095,11 +3095,11 @@ function onTreeNodeComplete(result, obj) {
             row.insertCell(-1).innerHTML = "DomainKey";
             row.insertCell(-1).innerHTML = result.PathDescription.DomainDescription.DomainKey.SchemeShard + " : " + result.PathDescription.DomainDescription.DomainKey.PathId;
         }
-        if (result.PathDescription.DomainDescription.ResourcesDomainKey !== undefined) { 
-            row = tab.insertRow(); 
-            row.insertCell(-1).innerHTML = "ResourcesDomainKey"; 
-            row.insertCell(-1).innerHTML = result.PathDescription.DomainDescription.ResourcesDomainKey.SchemeShard + " : " + result.PathDescription.DomainDescription.ResourcesDomainKey.PathId; 
-        } 
+        if (result.PathDescription.DomainDescription.ResourcesDomainKey !== undefined) {
+            row = tab.insertRow();
+            row.insertCell(-1).innerHTML = "ResourcesDomainKey";
+            row.insertCell(-1).innerHTML = result.PathDescription.DomainDescription.ResourcesDomainKey.SchemeShard + " : " + result.PathDescription.DomainDescription.ResourcesDomainKey.PathId;
+        }
         if (result.PathDescription.DomainDescription.PathsInside !== undefined) {
             row = tab.insertRow();
             row.insertCell(-1).innerHTML = "Pathes inside";
diff --git a/ydb/core/viewer/protos/viewer.proto b/ydb/core/viewer/protos/viewer.proto
index cc41acb37b..9f6c822a89 100644
--- a/ydb/core/viewer/protos/viewer.proto
+++ b/ydb/core/viewer/protos/viewer.proto
@@ -31,9 +31,9 @@ enum EObjectType {
     SolomonVolume = 17;
     SubDomain = 18;
     FileStore = 19;
-    CdcStream = 20; 
+    CdcStream = 20;
     Sequence = 21;
-    Replication = 22; 
+    Replication = 22;
 }
 
 message TBrowseInfo {
diff --git a/ydb/core/wrappers/s3_out.cpp b/ydb/core/wrappers/s3_out.cpp
index bffb4997d7..0bc2745a6d 100644
--- a/ydb/core/wrappers/s3_out.cpp
+++ b/ydb/core/wrappers/s3_out.cpp
@@ -1,173 +1,173 @@
-#if defined(KIKIMR_DISABLE_S3_WRAPPER) 
-#error "s3 wrapper is disabled" 
-#endif 
- 
-#include "s3_out.h" 
- 
-#include <util/generic/vector.h> 
-#include <util/string/join.h> 
- 
-namespace NKikimr { 
-namespace NWrappers { 
- 
-using namespace Aws::S3::Model; 
- 
-#define DEFINE_PRINTER(field) \ 
-    template <typename T> \ 
-    void field(IOutputStream& out, const T& obj) { \ 
-        out << #field ": " << obj.Get##field(); \ 
-    } 
- 
-DEFINE_PRINTER(Bucket) 
-DEFINE_PRINTER(Key) 
-DEFINE_PRINTER(UploadId) 
-DEFINE_PRINTER(MultipartUpload) 
-DEFINE_PRINTER(PartNumber) 
-DEFINE_PRINTER(ETag) 
-DEFINE_PRINTER(ContentLength) 
-DEFINE_PRINTER(Range) 
- 
-#undef DEFINE_PRINTER 
- 
-template <typename T> 
-using TPrinter = std::function<void(IOutputStream&, const T&)>; 
- 
-template <typename T> 
-void OutRequest(IOutputStream& out, const T& request, const TVector<TPrinter<T>>& printers) { 
-    out << request.GetServiceRequestName() << " {"; 
-    for (const auto& printer : printers) { 
-        out << " "; 
-        printer(out, request); 
-    } 
-    out << " }"; 
-} 
- 
-template <typename T> 
-void OutResult(IOutputStream& out, const T& result, TStringBuf header, const TVector<TPrinter<T>>& printers) { 
-    out << header << " {"; 
-    for (const auto& printer : printers) { 
-        out << " "; 
-        printer(out, result); 
-    } 
-    out << " }"; 
-} 
- 
-template <typename T> 
-void OutOutcome(IOutputStream& out, const Aws::Utils::Outcome<T, Aws::S3::S3Error>& outcome) { 
-    if (outcome.IsSuccess()) { 
-        out << outcome.GetResult(); 
-    } else { 
-        out << outcome.GetError().GetMessage().c_str(); 
-    } 
-} 
- 
-void Out(IOutputStream& out, const GetObjectRequest& request) { 
-    using T = GetObjectRequest; 
-    OutRequest(out, request, {&Bucket<T>, &Key<T>, &Range<T>}); 
-} 
- 
-void Out(IOutputStream& out, const GetObjectResult& result) { 
-    OutResult(out, result, "GetObjectResult", {}); 
-} 
- 
-void Out(IOutputStream& out, const GetObjectOutcome& outcome) { 
-    OutOutcome(out, outcome); 
-} 
- 
-void Out(IOutputStream& out, const HeadObjectRequest& request) { 
-    using T = HeadObjectRequest; 
-    OutRequest(out, request, {&Bucket<T>, &Key<T>}); 
-} 
- 
-void Out(IOutputStream& out, const HeadObjectResult& result) { 
-    using T = HeadObjectResult; 
-    OutResult(out, result, "HeadObjectResult", {&ETag<T>, &ContentLength<T>}); 
-} 
- 
-void Out(IOutputStream& out, const HeadObjectOutcome& outcome) { 
-    OutOutcome(out, outcome); 
-} 
- 
-void Out(IOutputStream& out, const PutObjectRequest& request) { 
-    using T = PutObjectRequest; 
-    OutRequest(out, request, {&Bucket<T>, &Key<T>}); 
-} 
- 
-void Out(IOutputStream& out, const PutObjectResult& result) { 
-    using T = PutObjectResult; 
-    OutResult(out, result, "PutObjectResult", {&ETag<T>}); 
-} 
- 
-void Out(IOutputStream& out, const PutObjectOutcome& outcome) { 
-    OutOutcome(out, outcome); 
-} 
- 
-void Out(IOutputStream& out, const CreateMultipartUploadRequest& request) { 
-    using T = CreateMultipartUploadRequest; 
-    OutRequest(out, request, {&Bucket<T>, &Key<T>}); 
-} 
- 
-void Out(IOutputStream& out, const CreateMultipartUploadResult& result) { 
-    using T = CreateMultipartUploadResult; 
-    OutResult(out, result, "CreateMultipartUploadResult", {&Bucket<T>, &Key<T>, &UploadId<T>}); 
-} 
- 
-void Out(IOutputStream& out, const CreateMultipartUploadOutcome& outcome) { 
-    OutOutcome(out, outcome); 
-} 
- 
-void Out(IOutputStream& out, const CompleteMultipartUploadRequest& request) { 
-    using T = CompleteMultipartUploadRequest; 
-    OutRequest(out, request, {&Bucket<T>, &Key<T>, &UploadId<T>, &MultipartUpload<T>}); 
-} 
- 
-void Out(IOutputStream& out, const CompleteMultipartUploadResult& result) { 
-    using T = CompleteMultipartUploadResult; 
-    OutResult(out, result, "CompleteMultipartUploadResult", {&Bucket<T>, &Key<T>, &ETag<T>}); 
-} 
- 
-void Out(IOutputStream& out, const CompleteMultipartUploadOutcome& outcome) { 
-    OutOutcome(out, outcome); 
-} 
- 
-void Out(IOutputStream& out, const AbortMultipartUploadRequest& request) { 
-    using T = AbortMultipartUploadRequest; 
-    OutRequest(out, request, {&Bucket<T>, &Key<T>, &UploadId<T>}); 
-} 
- 
-void Out(IOutputStream& out, const AbortMultipartUploadResult& result) { 
-    OutResult(out, result, "AbortMultipartUploadResult", {}); 
-} 
- 
-void Out(IOutputStream& out, const AbortMultipartUploadOutcome& outcome) { 
-    OutOutcome(out, outcome); 
-} 
- 
-void Out(IOutputStream& out, const UploadPartRequest& request) { 
-    using T = UploadPartRequest; 
-    OutRequest(out, request, {&Bucket<T>, &Key<T>, &UploadId<T>, &PartNumber<T>}); 
-} 
- 
-void Out(IOutputStream& out, const UploadPartResult& result) { 
-    using T = UploadPartResult; 
-    OutResult(out, result, "UploadPartResult", {&ETag<T>}); 
-} 
- 
-void Out(IOutputStream& out, const UploadPartOutcome& outcome) { 
-    OutOutcome(out, outcome); 
-} 
- 
-void Out(IOutputStream& out, const CompletedMultipartUpload& upload) { 
-    out << "{ Parts: [" << JoinSeq(",", upload.GetParts()) << "] }"; 
-} 
- 
-void Out(IOutputStream& out, const CompletedPart& part) { 
-    out << part.GetETag(); 
-} 
- 
-void Out(IOutputStream& out, const TStringOutcome& outcome) { 
-    OutOutcome(out, outcome); 
-} 
- 
-} // NWrappers 
-} // NKikimr 
+#if defined(KIKIMR_DISABLE_S3_WRAPPER)
+#error "s3 wrapper is disabled"
+#endif
+
+#include "s3_out.h"
+
+#include <util/generic/vector.h>
+#include <util/string/join.h>
+
+namespace NKikimr {
+namespace NWrappers {
+
+using namespace Aws::S3::Model;
+
+#define DEFINE_PRINTER(field) \
+    template <typename T> \
+    void field(IOutputStream& out, const T& obj) { \
+        out << #field ": " << obj.Get##field(); \
+    }
+
+DEFINE_PRINTER(Bucket)
+DEFINE_PRINTER(Key)
+DEFINE_PRINTER(UploadId)
+DEFINE_PRINTER(MultipartUpload)
+DEFINE_PRINTER(PartNumber)
+DEFINE_PRINTER(ETag)
+DEFINE_PRINTER(ContentLength)
+DEFINE_PRINTER(Range)
+
+#undef DEFINE_PRINTER
+
+template <typename T>
+using TPrinter = std::function<void(IOutputStream&, const T&)>;
+
+template <typename T>
+void OutRequest(IOutputStream& out, const T& request, const TVector<TPrinter<T>>& printers) {
+    out << request.GetServiceRequestName() << " {";
+    for (const auto& printer : printers) {
+        out << " ";
+        printer(out, request);
+    }
+    out << " }";
+}
+
+template <typename T>
+void OutResult(IOutputStream& out, const T& result, TStringBuf header, const TVector<TPrinter<T>>& printers) {
+    out << header << " {";
+    for (const auto& printer : printers) {
+        out << " ";
+        printer(out, result);
+    }
+    out << " }";
+}
+
+template <typename T>
+void OutOutcome(IOutputStream& out, const Aws::Utils::Outcome<T, Aws::S3::S3Error>& outcome) {
+    if (outcome.IsSuccess()) {
+        out << outcome.GetResult();
+    } else {
+        out << outcome.GetError().GetMessage().c_str();
+    }
+}
+
+void Out(IOutputStream& out, const GetObjectRequest& request) {
+    using T = GetObjectRequest;
+    OutRequest(out, request, {&Bucket<T>, &Key<T>, &Range<T>});
+}
+
+void Out(IOutputStream& out, const GetObjectResult& result) {
+    OutResult(out, result, "GetObjectResult", {});
+}
+
+void Out(IOutputStream& out, const GetObjectOutcome& outcome) {
+    OutOutcome(out, outcome);
+}
+
+void Out(IOutputStream& out, const HeadObjectRequest& request) {
+    using T = HeadObjectRequest;
+    OutRequest(out, request, {&Bucket<T>, &Key<T>});
+}
+
+void Out(IOutputStream& out, const HeadObjectResult& result) {
+    using T = HeadObjectResult;
+    OutResult(out, result, "HeadObjectResult", {&ETag<T>, &ContentLength<T>});
+}
+
+void Out(IOutputStream& out, const HeadObjectOutcome& outcome) {
+    OutOutcome(out, outcome);
+}
+
+void Out(IOutputStream& out, const PutObjectRequest& request) {
+    using T = PutObjectRequest;
+    OutRequest(out, request, {&Bucket<T>, &Key<T>});
+}
+
+void Out(IOutputStream& out, const PutObjectResult& result) {
+    using T = PutObjectResult;
+    OutResult(out, result, "PutObjectResult", {&ETag<T>});
+}
+
+void Out(IOutputStream& out, const PutObjectOutcome& outcome) {
+    OutOutcome(out, outcome);
+}
+
+void Out(IOutputStream& out, const CreateMultipartUploadRequest& request) {
+    using T = CreateMultipartUploadRequest;
+    OutRequest(out, request, {&Bucket<T>, &Key<T>});
+}
+
+void Out(IOutputStream& out, const CreateMultipartUploadResult& result) {
+    using T = CreateMultipartUploadResult;
+    OutResult(out, result, "CreateMultipartUploadResult", {&Bucket<T>, &Key<T>, &UploadId<T>});
+}
+
+void Out(IOutputStream& out, const CreateMultipartUploadOutcome& outcome) {
+    OutOutcome(out, outcome);
+}
+
+void Out(IOutputStream& out, const CompleteMultipartUploadRequest& request) {
+    using T = CompleteMultipartUploadRequest;
+    OutRequest(out, request, {&Bucket<T>, &Key<T>, &UploadId<T>, &MultipartUpload<T>});
+}
+
+void Out(IOutputStream& out, const CompleteMultipartUploadResult& result) {
+    using T = CompleteMultipartUploadResult;
+    OutResult(out, result, "CompleteMultipartUploadResult", {&Bucket<T>, &Key<T>, &ETag<T>});
+}
+
+void Out(IOutputStream& out, const CompleteMultipartUploadOutcome& outcome) {
+    OutOutcome(out, outcome);
+}
+
+void Out(IOutputStream& out, const AbortMultipartUploadRequest& request) {
+    using T = AbortMultipartUploadRequest;
+    OutRequest(out, request, {&Bucket<T>, &Key<T>, &UploadId<T>});
+}
+
+void Out(IOutputStream& out, const AbortMultipartUploadResult& result) {
+    OutResult(out, result, "AbortMultipartUploadResult", {});
+}
+
+void Out(IOutputStream& out, const AbortMultipartUploadOutcome& outcome) {
+    OutOutcome(out, outcome);
+}
+
+void Out(IOutputStream& out, const UploadPartRequest& request) {
+    using T = UploadPartRequest;
+    OutRequest(out, request, {&Bucket<T>, &Key<T>, &UploadId<T>, &PartNumber<T>});
+}
+
+void Out(IOutputStream& out, const UploadPartResult& result) {
+    using T = UploadPartResult;
+    OutResult(out, result, "UploadPartResult", {&ETag<T>});
+}
+
+void Out(IOutputStream& out, const UploadPartOutcome& outcome) {
+    OutOutcome(out, outcome);
+}
+
+void Out(IOutputStream& out, const CompletedMultipartUpload& upload) {
+    out << "{ Parts: [" << JoinSeq(",", upload.GetParts()) << "] }";
+}
+
+void Out(IOutputStream& out, const CompletedPart& part) {
+    out << part.GetETag();
+}
+
+void Out(IOutputStream& out, const TStringOutcome& outcome) {
+    OutOutcome(out, outcome);
+}
+
+} // NWrappers
+} // NKikimr
diff --git a/ydb/core/wrappers/s3_out.h b/ydb/core/wrappers/s3_out.h
index f966973fdb..ac6143592f 100644
--- a/ydb/core/wrappers/s3_out.h
+++ b/ydb/core/wrappers/s3_out.h
@@ -1,148 +1,148 @@
-#pragma once 
- 
-#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/include/aws/s3/model/AbortMultipartUploadRequest.h> 
-#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/include/aws/s3/model/CreateMultipartUploadRequest.h> 
-#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/include/aws/s3/model/CompleteMultipartUploadRequest.h> 
-#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/include/aws/s3/model/GetObjectRequest.h> 
-#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/include/aws/s3/model/HeadObjectRequest.h> 
-#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/include/aws/s3/model/PutObjectRequest.h> 
-#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/include/aws/s3/model/UploadPartRequest.h> 
-#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/include/aws/s3/S3Client.h> 
- 
-#include <util/stream/output.h> 
- 
-namespace NKikimr { 
-namespace NWrappers { 
- 
-void Out(IOutputStream& out, const Aws::S3::Model::GetObjectRequest& request); 
-void Out(IOutputStream& out, const Aws::S3::Model::GetObjectResult& result); 
-void Out(IOutputStream& out, const Aws::S3::Model::GetObjectOutcome& outcome); 
- 
-void Out(IOutputStream& out, const Aws::S3::Model::HeadObjectRequest& request); 
-void Out(IOutputStream& out, const Aws::S3::Model::HeadObjectResult& result); 
-void Out(IOutputStream& out, const Aws::S3::Model::HeadObjectOutcome& outcome); 
- 
-void Out(IOutputStream& out, const Aws::S3::Model::PutObjectRequest& request); 
-void Out(IOutputStream& out, const Aws::S3::Model::PutObjectResult& result); 
-void Out(IOutputStream& out, const Aws::S3::Model::PutObjectOutcome& outcome); 
- 
-void Out(IOutputStream& out, const Aws::S3::Model::CreateMultipartUploadRequest& request); 
-void Out(IOutputStream& out, const Aws::S3::Model::CreateMultipartUploadResult& result); 
-void Out(IOutputStream& out, const Aws::S3::Model::CreateMultipartUploadOutcome& outcome); 
- 
-void Out(IOutputStream& out, const Aws::S3::Model::CompleteMultipartUploadRequest& request); 
-void Out(IOutputStream& out, const Aws::S3::Model::CompleteMultipartUploadResult& result); 
-void Out(IOutputStream& out, const Aws::S3::Model::CompleteMultipartUploadOutcome& outcome); 
- 
-void Out(IOutputStream& out, const Aws::S3::Model::AbortMultipartUploadRequest& request); 
-void Out(IOutputStream& out, const Aws::S3::Model::AbortMultipartUploadResult& result); 
-void Out(IOutputStream& out, const Aws::S3::Model::AbortMultipartUploadOutcome& outcome); 
- 
-void Out(IOutputStream& out, const Aws::S3::Model::UploadPartRequest& request); 
-void Out(IOutputStream& out, const Aws::S3::Model::UploadPartResult& result); 
-void Out(IOutputStream& out, const Aws::S3::Model::UploadPartOutcome& outcome); 
- 
-void Out(IOutputStream& out, const Aws::S3::Model::CompletedMultipartUpload& upload); 
-void Out(IOutputStream& out, const Aws::S3::Model::CompletedPart& part); 
- 
-using TStringOutcome = Aws::Utils::Outcome<Aws::String, Aws::S3::S3Error>; 
-void Out(IOutputStream& out, const TStringOutcome& outcome); 
- 
-} // NWrappers 
-} // NKikimr 
- 
-Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::GetObjectRequest, out, value) { 
-    NKikimr::NWrappers::Out(out, value); 
-} 
- 
-Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::GetObjectResult, out, value) { 
-    NKikimr::NWrappers::Out(out, value); 
-} 
- 
-Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::GetObjectOutcome, out, value) { 
-    NKikimr::NWrappers::Out(out, value); 
-} 
- 
-Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::HeadObjectRequest, out, value) { 
-    NKikimr::NWrappers::Out(out, value); 
-} 
- 
-Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::HeadObjectResult, out, value) { 
-    NKikimr::NWrappers::Out(out, value); 
-} 
- 
-Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::HeadObjectOutcome, out, value) { 
-    NKikimr::NWrappers::Out(out, value); 
-} 
- 
-Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::PutObjectRequest, out, value) { 
-    NKikimr::NWrappers::Out(out, value); 
-} 
- 
-Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::PutObjectResult, out, value) { 
-    NKikimr::NWrappers::Out(out, value); 
-} 
- 
-Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::PutObjectOutcome, out, value) { 
-    NKikimr::NWrappers::Out(out, value); 
-} 
- 
-Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::CreateMultipartUploadRequest, out, value) { 
-    NKikimr::NWrappers::Out(out, value); 
-} 
- 
-Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::CreateMultipartUploadResult, out, value) { 
-    NKikimr::NWrappers::Out(out, value); 
-} 
- 
-Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::CreateMultipartUploadOutcome, out, value) { 
-    NKikimr::NWrappers::Out(out, value); 
-} 
- 
-Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::CompleteMultipartUploadRequest, out, value) { 
-    NKikimr::NWrappers::Out(out, value); 
-} 
- 
-Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::CompleteMultipartUploadResult, out, value) { 
-    NKikimr::NWrappers::Out(out, value); 
-} 
- 
-Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::CompleteMultipartUploadOutcome, out, value) { 
-    NKikimr::NWrappers::Out(out, value); 
-} 
- 
-Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::AbortMultipartUploadRequest, out, value) { 
-    NKikimr::NWrappers::Out(out, value); 
-} 
- 
-Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::AbortMultipartUploadResult, out, value) { 
-    NKikimr::NWrappers::Out(out, value); 
-} 
- 
-Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::AbortMultipartUploadOutcome, out, value) { 
-    NKikimr::NWrappers::Out(out, value); 
-} 
- 
-Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::UploadPartRequest, out, value) { 
-    NKikimr::NWrappers::Out(out, value); 
-} 
- 
-Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::UploadPartResult, out, value) { 
-    NKikimr::NWrappers::Out(out, value); 
-} 
- 
-Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::UploadPartOutcome, out, value) { 
-    NKikimr::NWrappers::Out(out, value); 
-} 
- 
-Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::CompletedMultipartUpload, out, value) { 
-    NKikimr::NWrappers::Out(out, value); 
-} 
- 
-Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::CompletedPart, out, value) { 
-    NKikimr::NWrappers::Out(out, value); 
-} 
- 
-Y_DECLARE_OUT_SPEC(inline, NKikimr::NWrappers::TStringOutcome, out, value) { 
-    NKikimr::NWrappers::Out(out, value); 
-} 
+#pragma once
+
+#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/include/aws/s3/model/AbortMultipartUploadRequest.h>
+#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/include/aws/s3/model/CreateMultipartUploadRequest.h>
+#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/include/aws/s3/model/CompleteMultipartUploadRequest.h>
+#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/include/aws/s3/model/GetObjectRequest.h>
+#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/include/aws/s3/model/HeadObjectRequest.h>
+#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/include/aws/s3/model/PutObjectRequest.h>
+#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/include/aws/s3/model/UploadPartRequest.h>
+#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/include/aws/s3/S3Client.h>
+
+#include <util/stream/output.h>
+
+namespace NKikimr {
+namespace NWrappers {
+
+void Out(IOutputStream& out, const Aws::S3::Model::GetObjectRequest& request);
+void Out(IOutputStream& out, const Aws::S3::Model::GetObjectResult& result);
+void Out(IOutputStream& out, const Aws::S3::Model::GetObjectOutcome& outcome);
+
+void Out(IOutputStream& out, const Aws::S3::Model::HeadObjectRequest& request);
+void Out(IOutputStream& out, const Aws::S3::Model::HeadObjectResult& result);
+void Out(IOutputStream& out, const Aws::S3::Model::HeadObjectOutcome& outcome);
+
+void Out(IOutputStream& out, const Aws::S3::Model::PutObjectRequest& request);
+void Out(IOutputStream& out, const Aws::S3::Model::PutObjectResult& result);
+void Out(IOutputStream& out, const Aws::S3::Model::PutObjectOutcome& outcome);
+
+void Out(IOutputStream& out, const Aws::S3::Model::CreateMultipartUploadRequest& request);
+void Out(IOutputStream& out, const Aws::S3::Model::CreateMultipartUploadResult& result);
+void Out(IOutputStream& out, const Aws::S3::Model::CreateMultipartUploadOutcome& outcome);
+
+void Out(IOutputStream& out, const Aws::S3::Model::CompleteMultipartUploadRequest& request);
+void Out(IOutputStream& out, const Aws::S3::Model::CompleteMultipartUploadResult& result);
+void Out(IOutputStream& out, const Aws::S3::Model::CompleteMultipartUploadOutcome& outcome);
+
+void Out(IOutputStream& out, const Aws::S3::Model::AbortMultipartUploadRequest& request);
+void Out(IOutputStream& out, const Aws::S3::Model::AbortMultipartUploadResult& result);
+void Out(IOutputStream& out, const Aws::S3::Model::AbortMultipartUploadOutcome& outcome);
+
+void Out(IOutputStream& out, const Aws::S3::Model::UploadPartRequest& request);
+void Out(IOutputStream& out, const Aws::S3::Model::UploadPartResult& result);
+void Out(IOutputStream& out, const Aws::S3::Model::UploadPartOutcome& outcome);
+
+void Out(IOutputStream& out, const Aws::S3::Model::CompletedMultipartUpload& upload);
+void Out(IOutputStream& out, const Aws::S3::Model::CompletedPart& part);
+
+using TStringOutcome = Aws::Utils::Outcome<Aws::String, Aws::S3::S3Error>;
+void Out(IOutputStream& out, const TStringOutcome& outcome);
+
+} // NWrappers
+} // NKikimr
+
+Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::GetObjectRequest, out, value) {
+    NKikimr::NWrappers::Out(out, value);
+}
+
+Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::GetObjectResult, out, value) {
+    NKikimr::NWrappers::Out(out, value);
+}
+
+Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::GetObjectOutcome, out, value) {
+    NKikimr::NWrappers::Out(out, value);
+}
+
+Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::HeadObjectRequest, out, value) {
+    NKikimr::NWrappers::Out(out, value);
+}
+
+Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::HeadObjectResult, out, value) {
+    NKikimr::NWrappers::Out(out, value);
+}
+
+Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::HeadObjectOutcome, out, value) {
+    NKikimr::NWrappers::Out(out, value);
+}
+
+Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::PutObjectRequest, out, value) {
+    NKikimr::NWrappers::Out(out, value);
+}
+
+Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::PutObjectResult, out, value) {
+    NKikimr::NWrappers::Out(out, value);
+}
+
+Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::PutObjectOutcome, out, value) {
+    NKikimr::NWrappers::Out(out, value);
+}
+
+Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::CreateMultipartUploadRequest, out, value) {
+    NKikimr::NWrappers::Out(out, value);
+}
+
+Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::CreateMultipartUploadResult, out, value) {
+    NKikimr::NWrappers::Out(out, value);
+}
+
+Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::CreateMultipartUploadOutcome, out, value) {
+    NKikimr::NWrappers::Out(out, value);
+}
+
+Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::CompleteMultipartUploadRequest, out, value) {
+    NKikimr::NWrappers::Out(out, value);
+}
+
+Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::CompleteMultipartUploadResult, out, value) {
+    NKikimr::NWrappers::Out(out, value);
+}
+
+Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::CompleteMultipartUploadOutcome, out, value) {
+    NKikimr::NWrappers::Out(out, value);
+}
+
+Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::AbortMultipartUploadRequest, out, value) {
+    NKikimr::NWrappers::Out(out, value);
+}
+
+Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::AbortMultipartUploadResult, out, value) {
+    NKikimr::NWrappers::Out(out, value);
+}
+
+Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::AbortMultipartUploadOutcome, out, value) {
+    NKikimr::NWrappers::Out(out, value);
+}
+
+Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::UploadPartRequest, out, value) {
+    NKikimr::NWrappers::Out(out, value);
+}
+
+Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::UploadPartResult, out, value) {
+    NKikimr::NWrappers::Out(out, value);
+}
+
+Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::UploadPartOutcome, out, value) {
+    NKikimr::NWrappers::Out(out, value);
+}
+
+Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::CompletedMultipartUpload, out, value) {
+    NKikimr::NWrappers::Out(out, value);
+}
+
+Y_DECLARE_OUT_SPEC(inline, Aws::S3::Model::CompletedPart, out, value) {
+    NKikimr::NWrappers::Out(out, value);
+}
+
+Y_DECLARE_OUT_SPEC(inline, NKikimr::NWrappers::TStringOutcome, out, value) {
+    NKikimr::NWrappers::Out(out, value);
+}
diff --git a/ydb/core/wrappers/s3_wrapper.cpp b/ydb/core/wrappers/s3_wrapper.cpp
index 9e9ec8bddb..b0fe378e21 100644
--- a/ydb/core/wrappers/s3_wrapper.cpp
+++ b/ydb/core/wrappers/s3_wrapper.cpp
@@ -1,352 +1,352 @@
-#if defined(KIKIMR_DISABLE_S3_WRAPPER) 
-#error "s3 wrapper is disabled" 
-#endif 
- 
-#include "s3_wrapper.h" 
- 
-#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/include/aws/core/internal/AWSHttpResourceClient.h> 
-#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/include/aws/core/utils/stream/PreallocatedStreamBuf.h> 
-#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/include/aws/core/utils/stream/ResponseStream.h> 
-#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/include/aws/core/Aws.h> 
-#include <contrib/libs/curl/include/curl/curl.h> 
- 
-#include <library/cpp/actors/core/actor.h> 
-#include <library/cpp/actors/core/hfunc.h> 
-#include <library/cpp/actors/core/log.h> 
- 
-#include <util/generic/singleton.h> 
-#include <util/string/cast.h> 
-#include <util/system/mutex.h> 
- 
-namespace NKikimr { 
-namespace NWrappers { 
- 
-using namespace Aws; 
-using namespace Aws::Auth; 
-using namespace Aws::Client; 
-using namespace Aws::S3; 
-using namespace Aws::S3::Model; 
-using namespace Aws::Utils::Stream; 
- 
-namespace { 
- 
-    struct TCurlInitializer { 
-        TCurlInitializer() { 
-            curl_global_init(CURL_GLOBAL_ALL); 
-        } 
- 
-        ~TCurlInitializer() { 
-            curl_global_cleanup(); 
-        } 
-    }; 
- 
-    struct TApiInitializer { 
-        TApiInitializer() { 
-            Options.httpOptions.initAndCleanupCurl = false; 
-            InitAPI(Options); 
- 
-            Internal::CleanupEC2MetadataClient(); // speeds up config construction 
-        } 
- 
-        ~TApiInitializer() { 
-            ShutdownAPI(Options); 
-        } 
- 
-    private: 
-        SDKOptions Options; 
-    }; 
- 
-    class TApiOwner { 
-    public: 
-        void Ref() { 
-            auto guard = Guard(Mutex); 
-            if (!RefCount++) { 
-                if (!CurlInitializer) { 
-                    CurlInitializer.Reset(new TCurlInitializer); 
-                } 
-                ApiInitializer.Reset(new TApiInitializer); 
-            } 
-        } 
- 
-        void UnRef() { 
-            auto guard = Guard(Mutex); 
-            if (!--RefCount) { 
-                ApiInitializer.Destroy(); 
-            } 
-        } 
- 
-    private: 
-        ui64 RefCount = 0; 
-        TMutex Mutex; 
-        THolder<TCurlInitializer> CurlInitializer; 
-        THolder<TApiInitializer> ApiInitializer; 
-    }; 
- 
+#if defined(KIKIMR_DISABLE_S3_WRAPPER)
+#error "s3 wrapper is disabled"
+#endif
+
+#include "s3_wrapper.h"
+
+#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/include/aws/core/internal/AWSHttpResourceClient.h>
+#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/include/aws/core/utils/stream/PreallocatedStreamBuf.h>
+#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/include/aws/core/utils/stream/ResponseStream.h>
+#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/include/aws/core/Aws.h>
+#include <contrib/libs/curl/include/curl/curl.h>
+
+#include <library/cpp/actors/core/actor.h>
+#include <library/cpp/actors/core/hfunc.h>
+#include <library/cpp/actors/core/log.h>
+
+#include <util/generic/singleton.h>
+#include <util/string/cast.h>
+#include <util/system/mutex.h>
+
+namespace NKikimr {
+namespace NWrappers {
+
+using namespace Aws;
+using namespace Aws::Auth;
+using namespace Aws::Client;
+using namespace Aws::S3;
+using namespace Aws::S3::Model;
+using namespace Aws::Utils::Stream;
+
+namespace {
+
+    struct TCurlInitializer {
+        TCurlInitializer() {
+            curl_global_init(CURL_GLOBAL_ALL);
+        }
+
+        ~TCurlInitializer() {
+            curl_global_cleanup();
+        }
+    };
+
+    struct TApiInitializer {
+        TApiInitializer() {
+            Options.httpOptions.initAndCleanupCurl = false;
+            InitAPI(Options);
+
+            Internal::CleanupEC2MetadataClient(); // speeds up config construction
+        }
+
+        ~TApiInitializer() {
+            ShutdownAPI(Options);
+        }
+
+    private:
+        SDKOptions Options;
+    };
+
+    class TApiOwner {
+    public:
+        void Ref() {
+            auto guard = Guard(Mutex);
+            if (!RefCount++) {
+                if (!CurlInitializer) {
+                    CurlInitializer.Reset(new TCurlInitializer);
+                }
+                ApiInitializer.Reset(new TApiInitializer);
+            }
+        }
+
+        void UnRef() {
+            auto guard = Guard(Mutex);
+            if (!--RefCount) {
+                ApiInitializer.Destroy();
+            }
+        }
+
+    private:
+        ui64 RefCount = 0;
+        TMutex Mutex;
+        THolder<TCurlInitializer> CurlInitializer;
+        THolder<TApiInitializer> ApiInitializer;
+    };
+
 } // anonymous
- 
+
 TS3User::TS3User() {
     Singleton<TApiOwner>()->Ref();
 }
- 
+
 TS3User::~TS3User() {
     Singleton<TApiOwner>()->UnRef();
 }
- 
+
 class TS3Wrapper: public TActor<TS3Wrapper>, private TS3User {
-    template <typename TEvRequest, typename TEvResponse> 
-    class TContextBase: public AsyncCallerContext { 
-    public: 
-        explicit TContextBase(const TActorSystem* sys, const TActorId& sender) 
-            : AsyncCallerContext() 
-            , ActorSystem(sys) 
-            , Sender(sender) 
-            , Replied(false) 
-        { 
-        } 
- 
-        const TActorSystem* GetActorSystem() const { 
-            return ActorSystem; 
-        } 
- 
-        virtual const typename TEvRequest::TRequest& PrepareRequest(typename TEvRequest::TPtr& ev) { 
-            return ev->Get()->Request; 
-        } 
- 
-        void Reply(const typename TEvResponse::TOutcome& outcome) const { 
-            Y_VERIFY(!std::exchange(Replied, true), "Double-reply"); 
-            Send(MakeResponse(outcome).Release()); 
-        } 
- 
-    protected: 
-        void Send(const TActorId& recipient, IEventBase* ev) const { 
-            ActorSystem->Send(recipient, ev); 
-        } 
- 
-        void Send(IEventBase* ev) const { 
-            Send(Sender, ev); 
-        } 
- 
-        virtual THolder<IEventBase> MakeResponse(const typename TEvResponse::TOutcome& outcome) const { 
+    template <typename TEvRequest, typename TEvResponse>
+    class TContextBase: public AsyncCallerContext {
+    public:
+        explicit TContextBase(const TActorSystem* sys, const TActorId& sender)
+            : AsyncCallerContext()
+            , ActorSystem(sys)
+            , Sender(sender)
+            , Replied(false)
+        {
+        }
+
+        const TActorSystem* GetActorSystem() const {
+            return ActorSystem;
+        }
+
+        virtual const typename TEvRequest::TRequest& PrepareRequest(typename TEvRequest::TPtr& ev) {
+            return ev->Get()->Request;
+        }
+
+        void Reply(const typename TEvResponse::TOutcome& outcome) const {
+            Y_VERIFY(!std::exchange(Replied, true), "Double-reply");
+            Send(MakeResponse(outcome).Release());
+        }
+
+    protected:
+        void Send(const TActorId& recipient, IEventBase* ev) const {
+            ActorSystem->Send(recipient, ev);
+        }
+
+        void Send(IEventBase* ev) const {
+            Send(Sender, ev);
+        }
+
+        virtual THolder<IEventBase> MakeResponse(const typename TEvResponse::TOutcome& outcome) const {
             return MakeHolder<TEvResponse>(outcome);
-        } 
- 
-    private: 
-        const TActorSystem* ActorSystem; 
-        const TActorId Sender; 
- 
-        mutable bool Replied; 
- 
-    }; // TContextBase 
- 
-    template <typename TEvRequest, typename TEvResponse> 
-    class TOutputStreamContext: public TContextBase<TEvRequest, TEvResponse> { 
-        class TOutputStreamBuf: public PreallocatedStreamBuf { 
-            TOutputStreamBuf(char* data, size_t size) 
-                : PreallocatedStreamBuf(reinterpret_cast<unsigned char*>(data), size) 
-            { 
-            } 
- 
-        public: 
-            explicit TOutputStreamBuf(TString& buffer) 
-                : TOutputStreamBuf(buffer.Detach(), buffer.Size()) 
-            { 
-            } 
-        }; 
- 
-        static bool TryParseRange(const TString& str, std::pair<ui64, ui64>& range) { 
-            TStringBuf buf(str); 
-            if (!buf.SkipPrefix("bytes=")) { 
-                return false; 
-            } 
- 
-            ui64 start; 
-            if (!TryFromString(buf.NextTok('-'), start)) { 
-                return false; 
-            } 
- 
-            ui64 end; 
-            if (!TryFromString(buf, end)) { 
-                return false; 
-            } 
- 
-            range = std::make_pair(start, end); 
-            return true; 
-        } 
- 
-    public: 
-        using TContextBase<TEvRequest, TEvResponse>::TContextBase; 
- 
-        const typename TEvRequest::TRequest& PrepareRequest(typename TEvRequest::TPtr& ev) override { 
-            auto& request = ev->Get()->Request; 
- 
-            std::pair<ui64, ui64> range; 
-            Y_VERIFY(request.RangeHasBeenSet() && TryParseRange(request.GetRange().c_str(), range)); 
- 
-            Buffer.resize(range.second - range.first + 1); 
-            request.SetResponseStreamFactory([this]() { 
-                return Aws::New<DefaultUnderlyingStream>("StreamContext", 
-                    MakeUnique<TOutputStreamBuf>("StreamContext", Buffer)); 
-            }); 
- 
-            return request; 
-        } 
- 
-    protected: 
-        THolder<IEventBase> MakeResponse(const typename TEvResponse::TOutcome& outcome) const override { 
-            if (outcome.IsSuccess()) { 
+        }
+
+    private:
+        const TActorSystem* ActorSystem;
+        const TActorId Sender;
+
+        mutable bool Replied;
+
+    }; // TContextBase
+
+    template <typename TEvRequest, typename TEvResponse>
+    class TOutputStreamContext: public TContextBase<TEvRequest, TEvResponse> {
+        class TOutputStreamBuf: public PreallocatedStreamBuf {
+            TOutputStreamBuf(char* data, size_t size)
+                : PreallocatedStreamBuf(reinterpret_cast<unsigned char*>(data), size)
+            {
+            }
+
+        public:
+            explicit TOutputStreamBuf(TString& buffer)
+                : TOutputStreamBuf(buffer.Detach(), buffer.Size())
+            {
+            }
+        };
+
+        static bool TryParseRange(const TString& str, std::pair<ui64, ui64>& range) {
+            TStringBuf buf(str);
+            if (!buf.SkipPrefix("bytes=")) {
+                return false;
+            }
+
+            ui64 start;
+            if (!TryFromString(buf.NextTok('-'), start)) {
+                return false;
+            }
+
+            ui64 end;
+            if (!TryFromString(buf, end)) {
+                return false;
+            }
+
+            range = std::make_pair(start, end);
+            return true;
+        }
+
+    public:
+        using TContextBase<TEvRequest, TEvResponse>::TContextBase;
+
+        const typename TEvRequest::TRequest& PrepareRequest(typename TEvRequest::TPtr& ev) override {
+            auto& request = ev->Get()->Request;
+
+            std::pair<ui64, ui64> range;
+            Y_VERIFY(request.RangeHasBeenSet() && TryParseRange(request.GetRange().c_str(), range));
+
+            Buffer.resize(range.second - range.first + 1);
+            request.SetResponseStreamFactory([this]() {
+                return Aws::New<DefaultUnderlyingStream>("StreamContext",
+                    MakeUnique<TOutputStreamBuf>("StreamContext", Buffer));
+            });
+
+            return request;
+        }
+
+    protected:
+        THolder<IEventBase> MakeResponse(const typename TEvResponse::TOutcome& outcome) const override {
+            if (outcome.IsSuccess()) {
                 return MakeHolder<TEvResponse>(outcome, std::move(Buffer));
-            } else { 
+            } else {
                 return MakeHolder<TEvResponse>(outcome);
-            } 
-        } 
- 
-    private: 
-        mutable TString Buffer; 
- 
-    }; // TOutputStreamContext 
- 
-    template <typename TEvRequest, typename TEvResponse> 
-    class TInputStreamContext: public TContextBase<TEvRequest, TEvResponse> { 
-        class TInputStreamBuf: public PreallocatedStreamBuf { 
-            TInputStreamBuf(char* data, size_t size) 
-                : PreallocatedStreamBuf(reinterpret_cast<unsigned char*>(data), size) 
-            { 
-            } 
- 
-            TInputStreamBuf(const char* data, size_t size) 
-                : TInputStreamBuf(const_cast<char*>(data), size) 
-            { 
-            } 
- 
-        public: 
-            explicit TInputStreamBuf(const TStringBuf buf) 
-                : TInputStreamBuf(buf.data(), buf.size()) 
-            { 
-            } 
-        }; 
- 
-    public: 
-        using TContextBase<TEvRequest, TEvResponse>::TContextBase; 
- 
-        const typename TEvRequest::TRequest& PrepareRequest(typename TEvRequest::TPtr& ev) override { 
-            auto& request = ev->Get()->Request; 
- 
-            Buffer = std::move(ev->Get()->Body); 
-            request.SetBody(MakeShared<DefaultUnderlyingStream>("StreamContext", 
-                MakeUnique<TInputStreamBuf>("StreamContext", Buffer))); 
- 
-            return request; 
-        } 
- 
-    private: 
-        TString Buffer; 
- 
-    }; // TInputStreamContext 
- 
-    template <typename TRequest, typename TOutcome> 
-    using THandler = std::function<void(const S3Client*, const TRequest&, const TOutcome&, const std::shared_ptr<const AsyncCallerContext>&)>; 
- 
-    template <typename TRequest, typename TOutcome> 
-    using TFunc = std::function<void(const S3Client*, const TRequest&, THandler<TRequest, TOutcome>, const std::shared_ptr<const AsyncCallerContext>&)>; 
- 
-    template <typename TEvRequest, typename TEvResponse, template <typename...> typename TContext = TContextBase> 
-    void Call(typename TEvRequest::TPtr& ev, TFunc<typename TEvRequest::TRequest, typename TEvResponse::TOutcome> func) { 
-        using TCtx = TContext<TEvRequest, TEvResponse>; 
- 
-        auto ctx = std::make_shared<TCtx>(TlsActivationContext->ActorSystem(), ev->Sender); 
-        auto callback = []( 
-                const S3Client*, 
-                const typename TEvRequest::TRequest&, 
-                const typename TEvResponse::TOutcome& outcome, 
-                const std::shared_ptr<const AsyncCallerContext>& context) { 
-            const auto* ctx = static_cast<const TCtx*>(context.get()); 
- 
-            LOG_NOTICE_S(*ctx->GetActorSystem(), NKikimrServices::S3_WRAPPER, "Response" 
-                << ": uuid# " << ctx->GetUUID() 
-                << ", response# " << outcome); 
-            ctx->Reply(outcome); 
-        }; 
- 
-        LOG_NOTICE_S(*TlsActivationContext, NKikimrServices::S3_WRAPPER, "Request" 
-            << ": uuid# " << ctx->GetUUID() 
-            << ", request# " << ev->Get()->Request); 
-        func(Client.Get(), ctx->PrepareRequest(ev), callback, ctx); 
-    } 
- 
-    void Handle(TEvS3Wrapper::TEvGetObjectRequest::TPtr& ev) { 
-        Call<TEvS3Wrapper::TEvGetObjectRequest, TEvS3Wrapper::TEvGetObjectResponse, TOutputStreamContext>( 
-            ev, &S3Client::GetObjectAsync); 
-    } 
- 
-    void Handle(TEvS3Wrapper::TEvHeadObjectRequest::TPtr& ev) { 
-        Call<TEvS3Wrapper::TEvHeadObjectRequest, TEvS3Wrapper::TEvHeadObjectResponse>( 
-            ev, &S3Client::HeadObjectAsync); 
-    } 
- 
-    void Handle(TEvS3Wrapper::TEvPutObjectRequest::TPtr& ev) { 
-        Call<TEvS3Wrapper::TEvPutObjectRequest, TEvS3Wrapper::TEvPutObjectResponse, TInputStreamContext>( 
-            ev, &S3Client::PutObjectAsync); 
-    } 
- 
-    void Handle(TEvS3Wrapper::TEvCreateMultipartUploadRequest::TPtr& ev) { 
-        Call<TEvS3Wrapper::TEvCreateMultipartUploadRequest, TEvS3Wrapper::TEvCreateMultipartUploadResponse>( 
-            ev, &S3Client::CreateMultipartUploadAsync); 
-    } 
- 
-    void Handle(TEvS3Wrapper::TEvUploadPartRequest::TPtr& ev) { 
-        Call<TEvS3Wrapper::TEvUploadPartRequest, TEvS3Wrapper::TEvUploadPartResponse, TInputStreamContext>( 
-            ev, &S3Client::UploadPartAsync); 
-    } 
- 
-    void Handle(TEvS3Wrapper::TEvCompleteMultipartUploadRequest::TPtr& ev) { 
-        Call<TEvS3Wrapper::TEvCompleteMultipartUploadRequest, TEvS3Wrapper::TEvCompleteMultipartUploadResponse>( 
-            ev, &S3Client::CompleteMultipartUploadAsync); 
-    } 
- 
-    void Handle(TEvS3Wrapper::TEvAbortMultipartUploadRequest::TPtr& ev) { 
-        Call<TEvS3Wrapper::TEvAbortMultipartUploadRequest, TEvS3Wrapper::TEvAbortMultipartUploadResponse>( 
-            ev, &S3Client::AbortMultipartUploadAsync); 
-    } 
- 
-public: 
-    static constexpr NKikimrServices::TActivity::EType ActorActivityType() { 
-        return NKikimrServices::TActivity::S3_WRAPPER_ACTOR; 
-    } 
- 
-    explicit TS3Wrapper(const AWSCredentials& credentials, const ClientConfiguration& config) 
-        : TActor(&TThis::StateWork) 
-        , Client(new S3Client(credentials, config)) 
-    { 
-    } 
- 
-    virtual ~TS3Wrapper() { 
-        if (Client) { 
-            Client->DisableRequestProcessing(); 
-        } 
-    } 
- 
-    STATEFN(StateWork) { 
-        switch (ev->GetTypeRewrite()) { 
-            hFunc(TEvS3Wrapper::TEvGetObjectRequest, Handle); 
-            hFunc(TEvS3Wrapper::TEvHeadObjectRequest, Handle); 
-            hFunc(TEvS3Wrapper::TEvPutObjectRequest, Handle); 
-            hFunc(TEvS3Wrapper::TEvCreateMultipartUploadRequest, Handle); 
-            hFunc(TEvS3Wrapper::TEvUploadPartRequest, Handle); 
-            hFunc(TEvS3Wrapper::TEvCompleteMultipartUploadRequest, Handle); 
-            hFunc(TEvS3Wrapper::TEvAbortMultipartUploadRequest, Handle); 
- 
-            cFunc(TEvents::TEvPoison::EventType, PassAway); 
-        } 
-    } 
- 
-private: 
-    THolder<S3Client> Client; 
- 
-}; // TS3Wrapper 
- 
-IActor* CreateS3Wrapper(const AWSCredentials& credentials, const ClientConfiguration& config) { 
-    return new TS3Wrapper(credentials, config); 
-} 
- 
-} // NWrappers 
-} // NKikimr 
+            }
+        }
+
+    private:
+        mutable TString Buffer;
+
+    }; // TOutputStreamContext
+
+    template <typename TEvRequest, typename TEvResponse>
+    class TInputStreamContext: public TContextBase<TEvRequest, TEvResponse> {
+        class TInputStreamBuf: public PreallocatedStreamBuf {
+            TInputStreamBuf(char* data, size_t size)
+                : PreallocatedStreamBuf(reinterpret_cast<unsigned char*>(data), size)
+            {
+            }
+
+            TInputStreamBuf(const char* data, size_t size)
+                : TInputStreamBuf(const_cast<char*>(data), size)
+            {
+            }
+
+        public:
+            explicit TInputStreamBuf(const TStringBuf buf)
+                : TInputStreamBuf(buf.data(), buf.size())
+            {
+            }
+        };
+
+    public:
+        using TContextBase<TEvRequest, TEvResponse>::TContextBase;
+
+        const typename TEvRequest::TRequest& PrepareRequest(typename TEvRequest::TPtr& ev) override {
+            auto& request = ev->Get()->Request;
+
+            Buffer = std::move(ev->Get()->Body);
+            request.SetBody(MakeShared<DefaultUnderlyingStream>("StreamContext",
+                MakeUnique<TInputStreamBuf>("StreamContext", Buffer)));
+
+            return request;
+        }
+
+    private:
+        TString Buffer;
+
+    }; // TInputStreamContext
+
+    template <typename TRequest, typename TOutcome>
+    using THandler = std::function<void(const S3Client*, const TRequest&, const TOutcome&, const std::shared_ptr<const AsyncCallerContext>&)>;
+
+    template <typename TRequest, typename TOutcome>
+    using TFunc = std::function<void(const S3Client*, const TRequest&, THandler<TRequest, TOutcome>, const std::shared_ptr<const AsyncCallerContext>&)>;
+
+    template <typename TEvRequest, typename TEvResponse, template <typename...> typename TContext = TContextBase>
+    void Call(typename TEvRequest::TPtr& ev, TFunc<typename TEvRequest::TRequest, typename TEvResponse::TOutcome> func) {
+        using TCtx = TContext<TEvRequest, TEvResponse>;
+
+        auto ctx = std::make_shared<TCtx>(TlsActivationContext->ActorSystem(), ev->Sender);
+        auto callback = [](
+                const S3Client*,
+                const typename TEvRequest::TRequest&,
+                const typename TEvResponse::TOutcome& outcome,
+                const std::shared_ptr<const AsyncCallerContext>& context) {
+            const auto* ctx = static_cast<const TCtx*>(context.get());
+
+            LOG_NOTICE_S(*ctx->GetActorSystem(), NKikimrServices::S3_WRAPPER, "Response"
+                << ": uuid# " << ctx->GetUUID()
+                << ", response# " << outcome);
+            ctx->Reply(outcome);
+        };
+
+        LOG_NOTICE_S(*TlsActivationContext, NKikimrServices::S3_WRAPPER, "Request"
+            << ": uuid# " << ctx->GetUUID()
+            << ", request# " << ev->Get()->Request);
+        func(Client.Get(), ctx->PrepareRequest(ev), callback, ctx);
+    }
+
+    void Handle(TEvS3Wrapper::TEvGetObjectRequest::TPtr& ev) {
+        Call<TEvS3Wrapper::TEvGetObjectRequest, TEvS3Wrapper::TEvGetObjectResponse, TOutputStreamContext>(
+            ev, &S3Client::GetObjectAsync);
+    }
+
+    void Handle(TEvS3Wrapper::TEvHeadObjectRequest::TPtr& ev) {
+        Call<TEvS3Wrapper::TEvHeadObjectRequest, TEvS3Wrapper::TEvHeadObjectResponse>(
+            ev, &S3Client::HeadObjectAsync);
+    }
+
+    void Handle(TEvS3Wrapper::TEvPutObjectRequest::TPtr& ev) {
+        Call<TEvS3Wrapper::TEvPutObjectRequest, TEvS3Wrapper::TEvPutObjectResponse, TInputStreamContext>(
+            ev, &S3Client::PutObjectAsync);
+    }
+
+    void Handle(TEvS3Wrapper::TEvCreateMultipartUploadRequest::TPtr& ev) {
+        Call<TEvS3Wrapper::TEvCreateMultipartUploadRequest, TEvS3Wrapper::TEvCreateMultipartUploadResponse>(
+            ev, &S3Client::CreateMultipartUploadAsync);
+    }
+
+    void Handle(TEvS3Wrapper::TEvUploadPartRequest::TPtr& ev) {
+        Call<TEvS3Wrapper::TEvUploadPartRequest, TEvS3Wrapper::TEvUploadPartResponse, TInputStreamContext>(
+            ev, &S3Client::UploadPartAsync);
+    }
+
+    void Handle(TEvS3Wrapper::TEvCompleteMultipartUploadRequest::TPtr& ev) {
+        Call<TEvS3Wrapper::TEvCompleteMultipartUploadRequest, TEvS3Wrapper::TEvCompleteMultipartUploadResponse>(
+            ev, &S3Client::CompleteMultipartUploadAsync);
+    }
+
+    void Handle(TEvS3Wrapper::TEvAbortMultipartUploadRequest::TPtr& ev) {
+        Call<TEvS3Wrapper::TEvAbortMultipartUploadRequest, TEvS3Wrapper::TEvAbortMultipartUploadResponse>(
+            ev, &S3Client::AbortMultipartUploadAsync);
+    }
+
+public:
+    static constexpr NKikimrServices::TActivity::EType ActorActivityType() {
+        return NKikimrServices::TActivity::S3_WRAPPER_ACTOR;
+    }
+
+    explicit TS3Wrapper(const AWSCredentials& credentials, const ClientConfiguration& config)
+        : TActor(&TThis::StateWork)
+        , Client(new S3Client(credentials, config))
+    {
+    }
+
+    virtual ~TS3Wrapper() {
+        if (Client) {
+            Client->DisableRequestProcessing();
+        }
+    }
+
+    STATEFN(StateWork) {
+        switch (ev->GetTypeRewrite()) {
+            hFunc(TEvS3Wrapper::TEvGetObjectRequest, Handle);
+            hFunc(TEvS3Wrapper::TEvHeadObjectRequest, Handle);
+            hFunc(TEvS3Wrapper::TEvPutObjectRequest, Handle);
+            hFunc(TEvS3Wrapper::TEvCreateMultipartUploadRequest, Handle);
+            hFunc(TEvS3Wrapper::TEvUploadPartRequest, Handle);
+            hFunc(TEvS3Wrapper::TEvCompleteMultipartUploadRequest, Handle);
+            hFunc(TEvS3Wrapper::TEvAbortMultipartUploadRequest, Handle);
+
+            cFunc(TEvents::TEvPoison::EventType, PassAway);
+        }
+    }
+
+private:
+    THolder<S3Client> Client;
+
+}; // TS3Wrapper
+
+IActor* CreateS3Wrapper(const AWSCredentials& credentials, const ClientConfiguration& config) {
+    return new TS3Wrapper(credentials, config);
+}
+
+} // NWrappers
+} // NKikimr
diff --git a/ydb/core/wrappers/s3_wrapper.h b/ydb/core/wrappers/s3_wrapper.h
index 7da760818f..1197606202 100644
--- a/ydb/core/wrappers/s3_wrapper.h
+++ b/ydb/core/wrappers/s3_wrapper.h
@@ -1,175 +1,175 @@
-#pragma once 
- 
-#include "s3_out.h" 
- 
-#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/include/aws/core/auth/AWSCredentials.h> 
-#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/include/aws/core/client/AWSClient.h> 
-#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/include/aws/s3/model/AbortMultipartUploadRequest.h> 
-#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/include/aws/s3/model/CreateMultipartUploadRequest.h> 
-#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/include/aws/s3/model/CompleteMultipartUploadRequest.h> 
-#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/include/aws/s3/model/GetObjectRequest.h> 
-#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/include/aws/s3/model/HeadObjectRequest.h> 
-#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/include/aws/s3/model/PutObjectRequest.h> 
-#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/include/aws/s3/model/UploadPartRequest.h> 
-#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/include/aws/s3/S3Client.h> 
- 
+#pragma once
+
+#include "s3_out.h"
+
+#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/include/aws/core/auth/AWSCredentials.h>
+#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-core/include/aws/core/client/AWSClient.h>
+#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/include/aws/s3/model/AbortMultipartUploadRequest.h>
+#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/include/aws/s3/model/CreateMultipartUploadRequest.h>
+#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/include/aws/s3/model/CompleteMultipartUploadRequest.h>
+#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/include/aws/s3/model/GetObjectRequest.h>
+#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/include/aws/s3/model/HeadObjectRequest.h>
+#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/include/aws/s3/model/PutObjectRequest.h>
+#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/include/aws/s3/model/UploadPartRequest.h>
+#include <contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3/include/aws/s3/S3Client.h>
+
 #include <ydb/core/base/events.h>
- 
-namespace NKikimr { 
-namespace NWrappers { 
- 
+
+namespace NKikimr {
+namespace NWrappers {
+
 struct TS3User {
     TS3User();
     ~TS3User();
 };
 
-struct TEvS3Wrapper { 
-    template <typename TDerived, ui32 EventType, typename T> 
-    struct TGenericRequest: public TEventLocal<TDerived, EventType> { 
-        using TRequest = T; 
-        TRequest Request; 
- 
-        explicit TGenericRequest(const TRequest& request) 
-            : Request(request) 
-        { 
-        } 
- 
-        using TBase = TGenericRequest<TDerived, EventType, TRequest>; 
-    }; 
- 
-    template <typename TDerived, ui32 EventType, typename T> 
-    struct TRequestWithBody: public TGenericRequest<TDerived, EventType, T> { 
-        using TGeneric = TGenericRequest<TDerived, EventType, T>; 
- 
-        TString Body; 
- 
-        explicit TRequestWithBody(const typename TGeneric::TRequest& request, TString&& body) 
-            : TGeneric(request) 
-            , Body(std::move(body)) 
-        { 
-        } 
- 
-        using TBase = TRequestWithBody<TDerived, EventType, T>; 
-    }; 
- 
-    template <typename TDerived, ui32 EventType, typename T, typename U = T> 
-    struct TGenericResponse: public TEventLocal<TDerived, EventType> { 
+struct TEvS3Wrapper {
+    template <typename TDerived, ui32 EventType, typename T>
+    struct TGenericRequest: public TEventLocal<TDerived, EventType> {
+        using TRequest = T;
+        TRequest Request;
+
+        explicit TGenericRequest(const TRequest& request)
+            : Request(request)
+        {
+        }
+
+        using TBase = TGenericRequest<TDerived, EventType, TRequest>;
+    };
+
+    template <typename TDerived, ui32 EventType, typename T>
+    struct TRequestWithBody: public TGenericRequest<TDerived, EventType, T> {
+        using TGeneric = TGenericRequest<TDerived, EventType, T>;
+
+        TString Body;
+
+        explicit TRequestWithBody(const typename TGeneric::TRequest& request, TString&& body)
+            : TGeneric(request)
+            , Body(std::move(body))
+        {
+        }
+
+        using TBase = TRequestWithBody<TDerived, EventType, T>;
+    };
+
+    template <typename TDerived, ui32 EventType, typename T, typename U = T>
+    struct TGenericResponse: public TEventLocal<TDerived, EventType> {
         using TOutcome = Aws::Utils::Outcome<T, Aws::S3::S3Error>;
         using TResult = Aws::Utils::Outcome<U, Aws::S3::S3Error>;
- 
-        TResult Result; 
- 
-        explicit TGenericResponse(const TOutcome& outcome) 
-            : Result(TDerived::ResultFromOutcome(outcome)) 
-        { 
-        } 
- 
-        static TResult ResultFromOutcome(const TOutcome& outcome) { 
-            return outcome; 
-        } 
- 
-        using TBase = TGenericResponse<TDerived, EventType, T, U>; 
-    }; 
- 
-    template <typename TDerived, ui32 EventType, typename T, typename U> 
-    struct TResponseWithBody: public TGenericResponse<TDerived, EventType, T, U> { 
-        using TGeneric = TGenericResponse<TDerived, EventType, T, U>; 
- 
-        TString Body; 
- 
-        explicit TResponseWithBody(const typename TGeneric::TOutcome& outcome) 
-            : TGeneric(outcome) 
-        { 
-        } 
- 
-        explicit TResponseWithBody(const typename TGeneric::TOutcome& outcome, TString&& body) 
-            : TGeneric(outcome) 
-            , Body(std::move(body)) 
-        { 
-        } 
- 
-        using TBase = TResponseWithBody<TDerived, EventType, T, U>; 
-    }; 
- 
-    #define EV_REQUEST_RESPONSE(name) \ 
-        Ev##name##Request, \ 
-        Ev##name##Response 
- 
-    enum EEv { 
-        EvBegin = EventSpaceBegin(TKikimrEvents::ES_S3_WRAPPER), 
- 
-        EV_REQUEST_RESPONSE(GetObject), 
-        EV_REQUEST_RESPONSE(HeadObject), 
-        EV_REQUEST_RESPONSE(PutObject), 
-        EV_REQUEST_RESPONSE(CreateMultipartUpload), 
-        EV_REQUEST_RESPONSE(UploadPart), 
-        EV_REQUEST_RESPONSE(CompleteMultipartUpload), 
-        EV_REQUEST_RESPONSE(AbortMultipartUpload), 
- 
-        EvEnd, 
-    }; 
- 
-    #undef EV_REQUEST_RESPONSE 
- 
-    static_assert(EvEnd < EventSpaceEnd(TKikimrEvents::ES_S3_WRAPPER), "expect EvEnd < EventSpaceEnd(TKikimrEvents::ES_S3_WRAPPER)"); 
- 
-    #define DEFINE_REQUEST(name, base) \ 
-        struct TEv##name##Request: public base<TEv##name##Request, Ev##name##Request, Aws::S3::Model::name##Request> { \ 
-            using TBase::TBase; \ 
-        } 
- 
-    #define DEFINE_GENERIC_REQUEST(name) \ 
-        DEFINE_REQUEST(name, TGenericRequest) 
- 
-    #define DECLARE_GENERIC_RESPONSE(name) \ 
-        struct TEv##name##Response: public TGenericResponse<TEv##name##Response, Ev##name##Response, Aws::S3::Model::name##Result> 
- 
-    #define DECLARE_RESPONSE_WITH_BODY(name, result_t) \ 
-        struct TEv##name##Response: public TResponseWithBody<TEv##name##Response, Ev##name##Response, Aws::S3::Model::name##Result, result_t> 
- 
-    #define DEFINE_GENERIC_RESPONSE(name) \ 
-        DECLARE_GENERIC_RESPONSE(name) { \ 
-            using TBase::TBase; \ 
-        } 
- 
-    #define DEFINE_GENERIC_REQUEST_RESPONSE(name) \ 
-        DEFINE_GENERIC_REQUEST(name); \ 
-        DEFINE_GENERIC_RESPONSE(name) 
- 
-    DEFINE_GENERIC_REQUEST(GetObject); 
-    DECLARE_RESPONSE_WITH_BODY(GetObject, Aws::String) { 
-        static TResult ResultFromOutcome(const TOutcome& outcome) { 
-            if (outcome.IsSuccess()) { 
-                return outcome.GetResult().GetETag(); 
-            } else { 
-                return outcome.GetError(); 
-            } 
-        } 
- 
-        using TBase::TBase; 
-    }; 
- 
-    DEFINE_REQUEST(PutObject, TRequestWithBody); 
-    DEFINE_GENERIC_RESPONSE(PutObject); 
- 
-    DEFINE_REQUEST(UploadPart, TRequestWithBody); 
-    DEFINE_GENERIC_RESPONSE(UploadPart); 
- 
-    DEFINE_GENERIC_REQUEST_RESPONSE(HeadObject); 
-    DEFINE_GENERIC_REQUEST_RESPONSE(CreateMultipartUpload); 
-    DEFINE_GENERIC_REQUEST_RESPONSE(CompleteMultipartUpload); 
-    DEFINE_GENERIC_REQUEST_RESPONSE(AbortMultipartUpload); 
- 
-    #undef DEFINE_REQUEST 
-    #undef DEFINE_GENERIC_REQUEST 
-    #undef DECLARE_GENERIC_RESPONSE 
-    #undef DECLARE_RESPONSE_WITH_BODY 
-    #undef DEFINE_GENERIC_RESPONSE 
-    #undef DEFINE_GENERIC_REQUEST_RESPONSE 
- 
-}; // TEvS3Wrapper 
- 
-IActor* CreateS3Wrapper(const Aws::Auth::AWSCredentials& credentials, const Aws::Client::ClientConfiguration& config); 
- 
-} // NWrappers 
-} // NKikimr 
+
+        TResult Result;
+
+        explicit TGenericResponse(const TOutcome& outcome)
+            : Result(TDerived::ResultFromOutcome(outcome))
+        {
+        }
+
+        static TResult ResultFromOutcome(const TOutcome& outcome) {
+            return outcome;
+        }
+
+        using TBase = TGenericResponse<TDerived, EventType, T, U>;
+    };
+
+    template <typename TDerived, ui32 EventType, typename T, typename U>
+    struct TResponseWithBody: public TGenericResponse<TDerived, EventType, T, U> {
+        using TGeneric = TGenericResponse<TDerived, EventType, T, U>;
+
+        TString Body;
+
+        explicit TResponseWithBody(const typename TGeneric::TOutcome& outcome)
+            : TGeneric(outcome)
+        {
+        }
+
+        explicit TResponseWithBody(const typename TGeneric::TOutcome& outcome, TString&& body)
+            : TGeneric(outcome)
+            , Body(std::move(body))
+        {
+        }
+
+        using TBase = TResponseWithBody<TDerived, EventType, T, U>;
+    };
+
+    #define EV_REQUEST_RESPONSE(name) \
+        Ev##name##Request, \
+        Ev##name##Response
+
+    enum EEv {
+        EvBegin = EventSpaceBegin(TKikimrEvents::ES_S3_WRAPPER),
+
+        EV_REQUEST_RESPONSE(GetObject),
+        EV_REQUEST_RESPONSE(HeadObject),
+        EV_REQUEST_RESPONSE(PutObject),
+        EV_REQUEST_RESPONSE(CreateMultipartUpload),
+        EV_REQUEST_RESPONSE(UploadPart),
+        EV_REQUEST_RESPONSE(CompleteMultipartUpload),
+        EV_REQUEST_RESPONSE(AbortMultipartUpload),
+
+        EvEnd,
+    };
+
+    #undef EV_REQUEST_RESPONSE
+
+    static_assert(EvEnd < EventSpaceEnd(TKikimrEvents::ES_S3_WRAPPER), "expect EvEnd < EventSpaceEnd(TKikimrEvents::ES_S3_WRAPPER)");
+
+    #define DEFINE_REQUEST(name, base) \
+        struct TEv##name##Request: public base<TEv##name##Request, Ev##name##Request, Aws::S3::Model::name##Request> { \
+            using TBase::TBase; \
+        }
+
+    #define DEFINE_GENERIC_REQUEST(name) \
+        DEFINE_REQUEST(name, TGenericRequest)
+
+    #define DECLARE_GENERIC_RESPONSE(name) \
+        struct TEv##name##Response: public TGenericResponse<TEv##name##Response, Ev##name##Response, Aws::S3::Model::name##Result>
+
+    #define DECLARE_RESPONSE_WITH_BODY(name, result_t) \
+        struct TEv##name##Response: public TResponseWithBody<TEv##name##Response, Ev##name##Response, Aws::S3::Model::name##Result, result_t>
+
+    #define DEFINE_GENERIC_RESPONSE(name) \
+        DECLARE_GENERIC_RESPONSE(name) { \
+            using TBase::TBase; \
+        }
+
+    #define DEFINE_GENERIC_REQUEST_RESPONSE(name) \
+        DEFINE_GENERIC_REQUEST(name); \
+        DEFINE_GENERIC_RESPONSE(name)
+
+    DEFINE_GENERIC_REQUEST(GetObject);
+    DECLARE_RESPONSE_WITH_BODY(GetObject, Aws::String) {
+        static TResult ResultFromOutcome(const TOutcome& outcome) {
+            if (outcome.IsSuccess()) {
+                return outcome.GetResult().GetETag();
+            } else {
+                return outcome.GetError();
+            }
+        }
+
+        using TBase::TBase;
+    };
+
+    DEFINE_REQUEST(PutObject, TRequestWithBody);
+    DEFINE_GENERIC_RESPONSE(PutObject);
+
+    DEFINE_REQUEST(UploadPart, TRequestWithBody);
+    DEFINE_GENERIC_RESPONSE(UploadPart);
+
+    DEFINE_GENERIC_REQUEST_RESPONSE(HeadObject);
+    DEFINE_GENERIC_REQUEST_RESPONSE(CreateMultipartUpload);
+    DEFINE_GENERIC_REQUEST_RESPONSE(CompleteMultipartUpload);
+    DEFINE_GENERIC_REQUEST_RESPONSE(AbortMultipartUpload);
+
+    #undef DEFINE_REQUEST
+    #undef DEFINE_GENERIC_REQUEST
+    #undef DECLARE_GENERIC_RESPONSE
+    #undef DECLARE_RESPONSE_WITH_BODY
+    #undef DEFINE_GENERIC_RESPONSE
+    #undef DEFINE_GENERIC_REQUEST_RESPONSE
+
+}; // TEvS3Wrapper
+
+IActor* CreateS3Wrapper(const Aws::Auth::AWSCredentials& credentials, const Aws::Client::ClientConfiguration& config);
+
+} // NWrappers
+} // NKikimr
diff --git a/ydb/core/wrappers/s3_wrapper_ut.cpp b/ydb/core/wrappers/s3_wrapper_ut.cpp
index 487e16b5d7..04cb00e56d 100644
--- a/ydb/core/wrappers/s3_wrapper_ut.cpp
+++ b/ydb/core/wrappers/s3_wrapper_ut.cpp
@@ -3,284 +3,284 @@
 #include <ydb/core/testlib/basics/runtime.h>
 #include <ydb/core/wrappers/ut_helpers/s3_mock.h>
 #include <ydb/core/wrappers/s3_wrapper.h>
- 
-#include <library/cpp/actors/core/log.h> 
-#include <library/cpp/digest/md5/md5.h> 
-#include <library/cpp/testing/unittest/registar.h> 
- 
-#include <util/string/printf.h> 
- 
-using namespace NActors; 
-using namespace NKikimr; 
-using namespace Aws::S3::Model; 
- 
-class TS3MockTest: public NUnitTest::TTestBase, private NWrappers::TS3User { 
-    using TS3Mock = NWrappers::NTestHelpers::TS3Mock; 
- 
-    static auto MakeClientConfig(ui16 port) { 
-        Aws::Client::ClientConfiguration config; 
- 
-        config.endpointOverride = Sprintf("localhost:%hu", port); 
-        config.verifySSL = false; 
-        config.connectTimeoutMs = 10000; 
-        config.maxConnections = 5; 
-        config.scheme = Aws::Http::Scheme::HTTP; 
- 
-        return config; 
-    } 
- 
-public: 
-    void SetUp() override { 
-        UNIT_ASSERT(!Port.Defined()); 
-        Port = PortManager.GetPort(); 
- 
-        S3Mock = MakeHolder<TS3Mock>(TS3Mock::TSettings(*Port)); 
-        UNIT_ASSERT(S3Mock->Start()); 
- 
-        Runtime = MakeHolder<TTestBasicRuntime>(); 
-        Runtime->Initialize(TAppPrepare().Unwrap()); 
-        Runtime->SetLogPriority(NKikimrServices::S3_WRAPPER, NLog::PRI_DEBUG); 
-        Wrapper = Runtime->Register(NWrappers::CreateS3Wrapper(Aws::Auth::AWSCredentials(), MakeClientConfig(*Port))); 
-    } 
- 
-    void TearDown() override { 
-        S3Mock.Reset(); 
-        Runtime.Reset(); 
-    } 
- 
-    ui16 GetPort() const { 
-        UNIT_ASSERT(Port.Defined()); 
-        return *Port; 
-    } 
- 
-    template <typename TEvResponse> 
-    auto Send(IEventBase* ev) { 
-        if (!Edge) { 
-            Edge = Runtime->AllocateEdgeActor(); 
-        } 
- 
-        Runtime->Send(new IEventHandle(Wrapper, *Edge, ev)); 
-        return Runtime->GrabEdgeEvent<TEvResponse>(*Edge); 
-    } 
- 
-private: 
-    TPortManager PortManager; 
-    TMaybe<ui16> Port; 
-    THolder<TS3Mock> S3Mock; 
-    THolder<TTestBasicRuntime> Runtime; 
-    TActorId Wrapper; 
-    TMaybe<TActorId> Edge; 
- 
-}; // TS3MockTest 
- 
-class TS3WrapperTests: public TS3MockTest { 
-    using TEvS3Wrapper = NWrappers::TEvS3Wrapper; 
- 
-    auto PutObject(const TString& key, TString&& body) { 
-        auto request = PutObjectRequest().WithBucket("").WithKey(key); 
-        auto response = Send<TEvS3Wrapper::TEvPutObjectResponse>( 
-            new TEvS3Wrapper::TEvPutObjectRequest(request, std::move(body))); 
- 
-        UNIT_ASSERT(response->Get()); 
-        return response->Get()->Result; 
-    } 
- 
-    auto HeadObject(const TString& key) { 
-        auto request = HeadObjectRequest().WithBucket("").WithKey(key); 
-        auto response = Send<TEvS3Wrapper::TEvHeadObjectResponse>( 
-            new TEvS3Wrapper::TEvHeadObjectRequest(request)); 
- 
-        UNIT_ASSERT(response->Get()); 
-        return response->Get()->Result; 
-    } 
- 
-    auto GetObject(const TString& key, ui64 bodySize) { 
-        auto request = GetObjectRequest() 
-            .WithBucket("") 
-            .WithKey(key) 
-            .WithRange(Sprintf("bytes=0-%" PRIu64, bodySize - 1)); 
-        auto response = Send<TEvS3Wrapper::TEvGetObjectResponse>( 
-            new TEvS3Wrapper::TEvGetObjectRequest(request)); 
- 
-        UNIT_ASSERT(response->Get()); 
-        return std::make_pair(response->Get()->Result, response->Get()->Body); 
-    } 
- 
-    auto CreateMultipartUpload(const TString& key) { 
-        auto request = CreateMultipartUploadRequest().WithBucket("").WithKey(key); 
-        auto response = Send<TEvS3Wrapper::TEvCreateMultipartUploadResponse>( 
-            new TEvS3Wrapper::TEvCreateMultipartUploadRequest(request)); 
- 
-        UNIT_ASSERT(response->Get()); 
-        return response->Get()->Result; 
-    } 
- 
-    auto CompleteMultipartUpload(const TString& key, const TString& uploadId, const TVector<CompletedPart>& parts) { 
-        auto request = CompleteMultipartUploadRequest() 
-            .WithBucket("") 
-            .WithKey(key) 
-            .WithUploadId(uploadId) 
-            .WithMultipartUpload(CompletedMultipartUpload().WithParts(parts)); 
-        auto response = Send<TEvS3Wrapper::TEvCompleteMultipartUploadResponse>( 
-            new TEvS3Wrapper::TEvCompleteMultipartUploadRequest(request)); 
- 
-        UNIT_ASSERT(response->Get()); 
-        return response->Get()->Result; 
-    } 
- 
-    auto AbortMultipartUpload(const TString& key, const TString& uploadId) { 
-        auto request = AbortMultipartUploadRequest() 
-            .WithBucket("") 
-            .WithKey(key) 
-            .WithUploadId(uploadId); 
-        auto response = Send<TEvS3Wrapper::TEvAbortMultipartUploadResponse>( 
-            new TEvS3Wrapper::TEvAbortMultipartUploadRequest(request)); 
- 
-        UNIT_ASSERT(response->Get()); 
-        return response->Get()->Result; 
-    } 
- 
-    auto UploadPart(const TString& key, const TString& uploadId, int partNumber, TString&& body) { 
-        auto request = UploadPartRequest() 
-            .WithBucket("") 
-            .WithKey(key) 
-            .WithUploadId(uploadId) 
-            .WithPartNumber(partNumber); 
-        auto response = Send<TEvS3Wrapper::TEvUploadPartResponse>( 
-            new TEvS3Wrapper::TEvUploadPartRequest(request, std::move(body))); 
- 
-        UNIT_ASSERT(response->Get()); 
-        return response->Get()->Result; 
-    } 
- 
-public: 
-    void PutObject() { 
-        auto result = PutObject("key", "body"); 
-        UNIT_ASSERT_C(result.IsSuccess(), result.GetError().GetMessage()); 
-    } 
- 
-    void HeadObject() { 
-        const TString body = "body"; 
- 
-        { 
-            auto result = PutObject("key", TString(body)); 
-            UNIT_ASSERT_C(result.IsSuccess(), result.GetError().GetMessage()); 
-        } 
- 
-        { 
-            auto result = HeadObject("key"); 
-            UNIT_ASSERT_C(result.IsSuccess(), result.GetError().GetMessage()); 
-            UNIT_ASSERT_VALUES_EQUAL(result.GetResult().GetETag(), MD5::Data(body)); 
-            UNIT_ASSERT_VALUES_EQUAL(result.GetResult().GetContentLength(), body.size()); 
-        } 
-    } 
- 
-    void GetObject() { 
-        const TString body = "body"; 
- 
-        { 
-            auto result = PutObject("key", TString(body)); 
-            UNIT_ASSERT_C(result.IsSuccess(), result.GetError().GetMessage()); 
-        } 
- 
-        { 
-            auto [result, actualBody] = GetObject("key", body.size()); 
-            UNIT_ASSERT_C(result.IsSuccess(), result.GetError().GetMessage()); 
-            UNIT_ASSERT_VALUES_EQUAL(actualBody, body); 
-        } 
-    } 
- 
-    void MultipartUpload() { 
-        const TString body = "body"; 
-        TString uploadId; 
-        TVector<CompletedPart> parts; 
- 
-        { 
-            auto result = CreateMultipartUpload("key"); 
-            UNIT_ASSERT_C(result.IsSuccess(), result.GetError().GetMessage()); 
-            uploadId = result.GetResult().GetUploadId(); 
-        } 
- 
-        { 
-            auto result = UploadPart("key", uploadId, 1, TString(body)); 
-            UNIT_ASSERT_C(result.IsSuccess(), result.GetError().GetMessage()); 
-            parts.push_back(CompletedPart().WithPartNumber(1).WithETag(result.GetResult().GetETag())); 
-        } 
- 
-        { 
-            auto result = CompleteMultipartUpload("key", uploadId, parts); 
-            UNIT_ASSERT_C(result.IsSuccess(), result.GetError().GetMessage()); 
-        } 
- 
-        { 
-            auto [result, actualBody] = GetObject("key", body.size()); 
-            UNIT_ASSERT_C(result.IsSuccess(), result.GetError().GetMessage()); 
-            UNIT_ASSERT_VALUES_EQUAL(actualBody, body); 
-        } 
-    } 
- 
-    void AbortMultipartUpload() { 
-        TString uploadId; 
- 
-        { 
-            auto result = CreateMultipartUpload("key"); 
-            UNIT_ASSERT_C(result.IsSuccess(), result.GetError().GetMessage()); 
-            uploadId = result.GetResult().GetUploadId(); 
-        } 
- 
-        { 
-            auto result = AbortMultipartUpload("key", uploadId); 
-            UNIT_ASSERT_C(result.IsSuccess(), result.GetError().GetMessage()); 
-        } 
- 
-        { 
-            auto result = HeadObject("key"); 
-            UNIT_ASSERT(!result.IsSuccess()); 
-        } 
-    } 
- 
-    void HeadUnknownObject() { 
-        auto result = HeadObject("key"); 
-        UNIT_ASSERT(!result.IsSuccess()); 
-    } 
- 
-    void GetUnknownObject() { 
-        auto [result, actualBody] = GetObject("key", 4); 
-        UNIT_ASSERT(!result.IsSuccess()); 
-        UNIT_ASSERT_VALUES_EQUAL(actualBody, ""); 
-    } 
- 
-    void UploadUnknownPart() { 
-        auto result = UploadPart("key", "uploadId", 1, "body"); 
-        UNIT_ASSERT(!result.IsSuccess()); 
-    } 
- 
-    void CompleteUnknownUpload() { 
-        auto result = CompleteMultipartUpload("key", "uploadId", { 
-            CompletedPart().WithPartNumber(1).WithETag("ETag"), 
-        }); 
-        UNIT_ASSERT(!result.IsSuccess()); 
-    } 
- 
-    void AbortUnknownUpload() { 
-        auto result = AbortMultipartUpload("key", "uploadId"); 
-        UNIT_ASSERT(!result.IsSuccess()); 
-    } 
- 
-private: 
-    UNIT_TEST_SUITE(TS3WrapperTests); 
-    UNIT_TEST(PutObject); 
-    UNIT_TEST(HeadObject); 
-    UNIT_TEST(GetObject); 
-    UNIT_TEST(MultipartUpload); 
-    UNIT_TEST(AbortMultipartUpload); 
-    UNIT_TEST(HeadUnknownObject); 
-    UNIT_TEST(GetUnknownObject); 
-    UNIT_TEST(UploadUnknownPart); 
-    UNIT_TEST(CompleteUnknownUpload); 
-    UNIT_TEST(AbortUnknownUpload); 
-    UNIT_TEST_SUITE_END(); 
- 
-}; // TS3WrapperTests 
- 
-UNIT_TEST_SUITE_REGISTRATION(TS3WrapperTests); 
+
+#include <library/cpp/actors/core/log.h>
+#include <library/cpp/digest/md5/md5.h>
+#include <library/cpp/testing/unittest/registar.h>
+
+#include <util/string/printf.h>
+
+using namespace NActors;
+using namespace NKikimr;
+using namespace Aws::S3::Model;
+
+class TS3MockTest: public NUnitTest::TTestBase, private NWrappers::TS3User {
+    using TS3Mock = NWrappers::NTestHelpers::TS3Mock;
+
+    static auto MakeClientConfig(ui16 port) {
+        Aws::Client::ClientConfiguration config;
+
+        config.endpointOverride = Sprintf("localhost:%hu", port);
+        config.verifySSL = false;
+        config.connectTimeoutMs = 10000;
+        config.maxConnections = 5;
+        config.scheme = Aws::Http::Scheme::HTTP;
+
+        return config;
+    }
+
+public:
+    void SetUp() override {
+        UNIT_ASSERT(!Port.Defined());
+        Port = PortManager.GetPort();
+
+        S3Mock = MakeHolder<TS3Mock>(TS3Mock::TSettings(*Port));
+        UNIT_ASSERT(S3Mock->Start());
+
+        Runtime = MakeHolder<TTestBasicRuntime>();
+        Runtime->Initialize(TAppPrepare().Unwrap());
+        Runtime->SetLogPriority(NKikimrServices::S3_WRAPPER, NLog::PRI_DEBUG);
+        Wrapper = Runtime->Register(NWrappers::CreateS3Wrapper(Aws::Auth::AWSCredentials(), MakeClientConfig(*Port)));
+    }
+
+    void TearDown() override {
+        S3Mock.Reset();
+        Runtime.Reset();
+    }
+
+    ui16 GetPort() const {
+        UNIT_ASSERT(Port.Defined());
+        return *Port;
+    }
+
+    template <typename TEvResponse>
+    auto Send(IEventBase* ev) {
+        if (!Edge) {
+            Edge = Runtime->AllocateEdgeActor();
+        }
+
+        Runtime->Send(new IEventHandle(Wrapper, *Edge, ev));
+        return Runtime->GrabEdgeEvent<TEvResponse>(*Edge);
+    }
+
+private:
+    TPortManager PortManager;
+    TMaybe<ui16> Port;
+    THolder<TS3Mock> S3Mock;
+    THolder<TTestBasicRuntime> Runtime;
+    TActorId Wrapper;
+    TMaybe<TActorId> Edge;
+
+}; // TS3MockTest
+
+class TS3WrapperTests: public TS3MockTest {
+    using TEvS3Wrapper = NWrappers::TEvS3Wrapper;
+
+    auto PutObject(const TString& key, TString&& body) {
+        auto request = PutObjectRequest().WithBucket("").WithKey(key);
+        auto response = Send<TEvS3Wrapper::TEvPutObjectResponse>(
+            new TEvS3Wrapper::TEvPutObjectRequest(request, std::move(body)));
+
+        UNIT_ASSERT(response->Get());
+        return response->Get()->Result;
+    }
+
+    auto HeadObject(const TString& key) {
+        auto request = HeadObjectRequest().WithBucket("").WithKey(key);
+        auto response = Send<TEvS3Wrapper::TEvHeadObjectResponse>(
+            new TEvS3Wrapper::TEvHeadObjectRequest(request));
+
+        UNIT_ASSERT(response->Get());
+        return response->Get()->Result;
+    }
+
+    auto GetObject(const TString& key, ui64 bodySize) {
+        auto request = GetObjectRequest()
+            .WithBucket("")
+            .WithKey(key)
+            .WithRange(Sprintf("bytes=0-%" PRIu64, bodySize - 1));
+        auto response = Send<TEvS3Wrapper::TEvGetObjectResponse>(
+            new TEvS3Wrapper::TEvGetObjectRequest(request));
+
+        UNIT_ASSERT(response->Get());
+        return std::make_pair(response->Get()->Result, response->Get()->Body);
+    }
+
+    auto CreateMultipartUpload(const TString& key) {
+        auto request = CreateMultipartUploadRequest().WithBucket("").WithKey(key);
+        auto response = Send<TEvS3Wrapper::TEvCreateMultipartUploadResponse>(
+            new TEvS3Wrapper::TEvCreateMultipartUploadRequest(request));
+
+        UNIT_ASSERT(response->Get());
+        return response->Get()->Result;
+    }
+
+    auto CompleteMultipartUpload(const TString& key, const TString& uploadId, const TVector<CompletedPart>& parts) {
+        auto request = CompleteMultipartUploadRequest()
+            .WithBucket("")
+            .WithKey(key)
+            .WithUploadId(uploadId)
+            .WithMultipartUpload(CompletedMultipartUpload().WithParts(parts));
+        auto response = Send<TEvS3Wrapper::TEvCompleteMultipartUploadResponse>(
+            new TEvS3Wrapper::TEvCompleteMultipartUploadRequest(request));
+
+        UNIT_ASSERT(response->Get());
+        return response->Get()->Result;
+    }
+
+    auto AbortMultipartUpload(const TString& key, const TString& uploadId) {
+        auto request = AbortMultipartUploadRequest()
+            .WithBucket("")
+            .WithKey(key)
+            .WithUploadId(uploadId);
+        auto response = Send<TEvS3Wrapper::TEvAbortMultipartUploadResponse>(
+            new TEvS3Wrapper::TEvAbortMultipartUploadRequest(request));
+
+        UNIT_ASSERT(response->Get());
+        return response->Get()->Result;
+    }
+
+    auto UploadPart(const TString& key, const TString& uploadId, int partNumber, TString&& body) {
+        auto request = UploadPartRequest()
+            .WithBucket("")
+            .WithKey(key)
+            .WithUploadId(uploadId)
+            .WithPartNumber(partNumber);
+        auto response = Send<TEvS3Wrapper::TEvUploadPartResponse>(
+            new TEvS3Wrapper::TEvUploadPartRequest(request, std::move(body)));
+
+        UNIT_ASSERT(response->Get());
+        return response->Get()->Result;
+    }
+
+public:
+    void PutObject() {
+        auto result = PutObject("key", "body");
+        UNIT_ASSERT_C(result.IsSuccess(), result.GetError().GetMessage());
+    }
+
+    void HeadObject() {
+        const TString body = "body";
+
+        {
+            auto result = PutObject("key", TString(body));
+            UNIT_ASSERT_C(result.IsSuccess(), result.GetError().GetMessage());
+        }
+
+        {
+            auto result = HeadObject("key");
+            UNIT_ASSERT_C(result.IsSuccess(), result.GetError().GetMessage());
+            UNIT_ASSERT_VALUES_EQUAL(result.GetResult().GetETag(), MD5::Data(body));
+            UNIT_ASSERT_VALUES_EQUAL(result.GetResult().GetContentLength(), body.size());
+        }
+    }
+
+    void GetObject() {
+        const TString body = "body";
+
+        {
+            auto result = PutObject("key", TString(body));
+            UNIT_ASSERT_C(result.IsSuccess(), result.GetError().GetMessage());
+        }
+
+        {
+            auto [result, actualBody] = GetObject("key", body.size());
+            UNIT_ASSERT_C(result.IsSuccess(), result.GetError().GetMessage());
+            UNIT_ASSERT_VALUES_EQUAL(actualBody, body);
+        }
+    }
+
+    void MultipartUpload() {
+        const TString body = "body";
+        TString uploadId;
+        TVector<CompletedPart> parts;
+
+        {
+            auto result = CreateMultipartUpload("key");
+            UNIT_ASSERT_C(result.IsSuccess(), result.GetError().GetMessage());
+            uploadId = result.GetResult().GetUploadId();
+        }
+
+        {
+            auto result = UploadPart("key", uploadId, 1, TString(body));
+            UNIT_ASSERT_C(result.IsSuccess(), result.GetError().GetMessage());
+            parts.push_back(CompletedPart().WithPartNumber(1).WithETag(result.GetResult().GetETag()));
+        }
+
+        {
+            auto result = CompleteMultipartUpload("key", uploadId, parts);
+            UNIT_ASSERT_C(result.IsSuccess(), result.GetError().GetMessage());
+        }
+
+        {
+            auto [result, actualBody] = GetObject("key", body.size());
+            UNIT_ASSERT_C(result.IsSuccess(), result.GetError().GetMessage());
+            UNIT_ASSERT_VALUES_EQUAL(actualBody, body);
+        }
+    }
+
+    void AbortMultipartUpload() {
+        TString uploadId;
+
+        {
+            auto result = CreateMultipartUpload("key");
+            UNIT_ASSERT_C(result.IsSuccess(), result.GetError().GetMessage());
+            uploadId = result.GetResult().GetUploadId();
+        }
+
+        {
+            auto result = AbortMultipartUpload("key", uploadId);
+            UNIT_ASSERT_C(result.IsSuccess(), result.GetError().GetMessage());
+        }
+
+        {
+            auto result = HeadObject("key");
+            UNIT_ASSERT(!result.IsSuccess());
+        }
+    }
+
+    void HeadUnknownObject() {
+        auto result = HeadObject("key");
+        UNIT_ASSERT(!result.IsSuccess());
+    }
+
+    void GetUnknownObject() {
+        auto [result, actualBody] = GetObject("key", 4);
+        UNIT_ASSERT(!result.IsSuccess());
+        UNIT_ASSERT_VALUES_EQUAL(actualBody, "");
+    }
+
+    void UploadUnknownPart() {
+        auto result = UploadPart("key", "uploadId", 1, "body");
+        UNIT_ASSERT(!result.IsSuccess());
+    }
+
+    void CompleteUnknownUpload() {
+        auto result = CompleteMultipartUpload("key", "uploadId", {
+            CompletedPart().WithPartNumber(1).WithETag("ETag"),
+        });
+        UNIT_ASSERT(!result.IsSuccess());
+    }
+
+    void AbortUnknownUpload() {
+        auto result = AbortMultipartUpload("key", "uploadId");
+        UNIT_ASSERT(!result.IsSuccess());
+    }
+
+private:
+    UNIT_TEST_SUITE(TS3WrapperTests);
+    UNIT_TEST(PutObject);
+    UNIT_TEST(HeadObject);
+    UNIT_TEST(GetObject);
+    UNIT_TEST(MultipartUpload);
+    UNIT_TEST(AbortMultipartUpload);
+    UNIT_TEST(HeadUnknownObject);
+    UNIT_TEST(GetUnknownObject);
+    UNIT_TEST(UploadUnknownPart);
+    UNIT_TEST(CompleteUnknownUpload);
+    UNIT_TEST(AbortUnknownUpload);
+    UNIT_TEST_SUITE_END();
+
+}; // TS3WrapperTests
+
+UNIT_TEST_SUITE_REGISTRATION(TS3WrapperTests);
diff --git a/ydb/core/wrappers/ut/ya.make b/ydb/core/wrappers/ut/ya.make
index d88cea70ab..cbc8f4b353 100644
--- a/ydb/core/wrappers/ut/ya.make
+++ b/ydb/core/wrappers/ut/ya.make
@@ -1,28 +1,28 @@
 UNITTEST_FOR(ydb/core/wrappers)
- 
-OWNER( 
-    ilnaz 
-    g:kikimr 
-) 
- 
-FORK_SUBTESTS() 
- 
-IF (NOT OS_WINDOWS) 
-    PEERDIR( 
-        library/cpp/actors/core 
-        library/cpp/digest/md5 
-        library/cpp/testing/unittest 
+
+OWNER(
+    ilnaz
+    g:kikimr
+)
+
+FORK_SUBTESTS()
+
+IF (NOT OS_WINDOWS)
+    PEERDIR(
+        library/cpp/actors/core
+        library/cpp/digest/md5
+        library/cpp/testing/unittest
         ydb/core/protos
         ydb/core/testlib/basics
         ydb/core/wrappers/ut_helpers
-    ) 
-    SRCS( 
-        s3_wrapper_ut.cpp 
-    ) 
-ENDIF() 
- 
+    )
+    SRCS(
+        s3_wrapper_ut.cpp
+    )
+ENDIF()
+
 YQL_LAST_ABI_VERSION()
- 
+
 REQUIREMENTS(ram:12)
 
-END() 
+END()
diff --git a/ydb/core/wrappers/ut_helpers/s3_mock.cpp b/ydb/core/wrappers/ut_helpers/s3_mock.cpp
index a1211dea93..8df5acc200 100644
--- a/ydb/core/wrappers/ut_helpers/s3_mock.cpp
+++ b/ydb/core/wrappers/ut_helpers/s3_mock.cpp
@@ -1,334 +1,334 @@
-#include "s3_mock.h" 
- 
-#include <library/cpp/digest/md5/md5.h> 
-#include <library/cpp/xml/document/xml-document.h> 
- 
-#include <util/generic/xrange.h> 
-#include <util/random/shuffle.h> 
-#include <util/string/cast.h> 
-#include <util/string/join.h> 
-#include <util/string/printf.h> 
- 
-namespace NKikimr { 
-namespace NWrappers { 
-namespace NTestHelpers { 
- 
-TS3Mock::TSettings::TSettings() 
-    : CorruptETags(false) 
-    , RejectUploadParts(false) 
-{ 
-} 
- 
-TS3Mock::TSettings::TSettings(ui16 port) 
-    : HttpOptions(TOptions(port).SetThreads(1)) 
-    , CorruptETags(false) 
-    , RejectUploadParts(false) 
-{ 
-} 
- 
-TS3Mock::TSettings& TS3Mock::TSettings::WithHttpOptions(const TOptions& opts) { 
-    HttpOptions = opts; 
-    return *this; 
-} 
- 
-TS3Mock::TSettings& TS3Mock::TSettings::WithCorruptETags(bool value) { 
-    CorruptETags = value; 
-    return *this; 
-} 
- 
-TS3Mock::TSettings& TS3Mock::TSettings::WithRejectUploadParts(bool value) { 
-    RejectUploadParts = value; 
-    return *this; 
-} 
- 
-TS3Mock::TRequest::EMethod TS3Mock::TRequest::ParseMethod(const char* str) { 
-    if (strnicmp(str, "HEAD", 4) == 0) { 
-        return EMethod::Head; 
-    } else if (strnicmp(str, "GET", 3) == 0) { 
-        return EMethod::Get; 
-    } else if (strnicmp(str, "PUT", 3) == 0) { 
-        return EMethod::Put; 
-    } else if (strnicmp(str, "POST", 4) == 0) { 
-        return EMethod::Post; 
-    } else if (strnicmp(str, "PATCH", 5) == 0) { 
-        return EMethod::Patch; 
-    } else if (strnicmp(str, "DELETE", 6) == 0) { 
-        return EMethod::Delete; 
-    } 
-    return EMethod::NotImplemented; 
-} 
- 
-bool TS3Mock::TRequest::TryParseRange(TStringBuf str, std::pair<ui32, ui32>& range) { 
-    if (!str.SkipPrefix("bytes=")) { 
-        return false; 
-    } 
- 
-    ui32 start; 
-    if (!TryFromString(str.NextTok('-'), start)) { 
-        return false; 
-    } 
- 
-    ui32 end; 
-    if (!TryFromString(str, end)) { 
-        return false; 
-    } 
- 
-    range = std::make_pair(start, end); 
-    return true; 
-} 
- 
-bool TS3Mock::TRequest::HttpBadRequest(const TReplyParams& params, const TString& error) { 
-    params.Output << "HTTP/1.1 400 Bad request\r\n\r\n"; 
-    params.Output << error; 
-    return true; 
-} 
- 
-bool TS3Mock::TRequest::HttpNotFound(const TReplyParams& params) { 
-    params.Output << "HTTP/1.1 404 Not found\r\n\r\n"; 
-    return true; 
-} 
- 
-bool TS3Mock::TRequest::HttpNotImplemented(const TReplyParams& params) { 
-    params.Output << "HTTP/1.1 501 Not Implemented\r\n\r\n"; 
-    return true; 
-} 
- 
-void TS3Mock::TRequest::MaybeContinue(const TReplyParams& params) { 
-    if (params.Input.HasExpect100Continue()) { 
-        params.Output.SendContinue(); 
-    } 
-} 
- 
-bool TS3Mock::TRequest::HttpServeRead(const TReplyParams& params, EMethod method, TStringBuf content) { 
-    std::pair<ui32, ui32> range(0, content.size() - 1); 
-    if (const auto* rangeHeader = params.Input.Headers().FindHeader("Range")) { 
-        if (!TryParseRange(rangeHeader->Value(), range)) { 
-            return HttpBadRequest(params, "Invalid range"); 
-        } 
-    } 
- 
-    TString etag = MD5::Data(content); 
-    if (Parent->Settings.CorruptETags) { 
-        ShuffleRange(etag); 
-    } 
- 
-    params.Output << "HTTP/1.1 200 Ok\r\n"; 
-    THttpHeaders headers; 
-    headers.AddHeader("Content-Length", range.second - range.first + 1); 
-    headers.AddHeader("ETag", etag); 
-    headers.OutTo(&params.Output); 
-    params.Output << "\r\n"; 
- 
-    if (method == EMethod::Get) { 
-        params.Output << content.SubStr(range.first, range.second - range.first + 1); 
-    } 
- 
-    return true; 
-} 
- 
-bool TS3Mock::TRequest::HttpServeWrite(const TReplyParams& params, TStringBuf path, const TCgiParameters& queryParams) { 
-    TString content; 
-    ui64 length; 
- 
-    if (params.Input.GetContentLength(length)) { 
-        content = TString::Uninitialized(length); 
-        params.Input.Read(content.Detach(), length); 
-    } else { 
-        content = params.Input.ReadAll(); 
-    } 
- 
-    const TString etag = MD5::Data(content); 
- 
-    if (!queryParams) { 
-        Parent->Data[path] = std::move(content); 
-    } else { 
-        if (!queryParams.Has("uploadId") || !queryParams.Has("partNumber")) { 
-            return HttpBadRequest(params, "'uploadId' & 'partNumber' must be specified"); 
-        } 
- 
-        auto it = Parent->MultipartUploads.find(std::make_pair(path, queryParams.Get("uploadId"))); 
-        if (it == Parent->MultipartUploads.end()) { 
-            return HttpBadRequest(params, "Invalid uploadId"); 
-        } 
- 
-        size_t partNumber = 0; 
-        if (!TryFromString(queryParams.Get("partNumber"), partNumber) || !partNumber) { 
-            return HttpBadRequest(params, "Invalid partNumber"); 
-        } 
- 
-        if (Parent->Settings.RejectUploadParts) { 
-            return HttpBadRequest(params, "Reject"); 
-        } 
- 
-        auto& parts = it->second; 
-        if (parts.size() < partNumber) { 
-            parts.resize(partNumber); 
-        } 
- 
-        parts[partNumber - 1] = std::move(content); 
-    } 
- 
-    params.Output << "HTTP/1.1 200 Ok\r\n"; 
-    THttpHeaders headers; 
-    headers.AddHeader("ETag", etag); 
-    headers.OutTo(&params.Output); 
-    params.Output << "\r\n"; 
- 
-    return true; 
-} 
- 
-bool TS3Mock::TRequest::HttpServeAction(const TReplyParams& params, EMethod method, TStringBuf path, const TCgiParameters& queryParams) { 
-    if (queryParams.Has("uploads")) { 
-        const int uploadId = Parent->NextUploadId++; 
-        Parent->MultipartUploads[std::make_pair(path, ToString(uploadId))] = {}; 
- 
-        params.Output << "HTTP/1.1 200 Ok\r\n"; 
-        params.Output << Sprintf(R"( 
-            <?xml version="1.0" encoding="UTF-8"?> 
-            <InitiateMultipartUploadResult> 
-              <Key>%s</Key> 
-              <UploadId>%i</UploadId> 
-            </InitiateMultipartUploadResult> 
-        )", TString(path.After('/')).c_str(), uploadId); 
-    } else if (queryParams.Has("uploadId")) { 
-        auto it = Parent->MultipartUploads.find(std::make_pair(path, queryParams.Get("uploadId"))); 
-        if (it == Parent->MultipartUploads.end()) { 
-            return HttpBadRequest(params, "Invalid uploadId"); 
-        } 
- 
-        if (method == EMethod::Post) { 
-            NXml::TDocument request(params.Input.ReadAll(), NXml::TDocument::String); 
-            TVector<TString> etags; 
- 
-            auto part = request.Root().FirstChild("Part"); 
-            while (!part.IsNull()) { 
-                auto partNumberNode = part.FirstChild("PartNumber"); 
-                if (partNumberNode.IsNull()) { 
-                    return HttpBadRequest(params, "Invalid request"); 
-                } 
- 
-                const ui32 partNumber = partNumberNode.Value<ui32>(); 
-                if (etags.size() < partNumber) { 
-                    etags.resize(partNumber); 
-                } 
- 
-                auto etagNode = part.FirstChild("ETag"); 
-                if (etagNode.IsNull()) { 
-                    return HttpBadRequest(params, "Invalid request"); 
-                } 
- 
-                etags[partNumber - 1] = etagNode.Value<TString>(); 
-                part = part.NextSibling("Part"); 
-            } 
- 
-            if (etags.size() != it->second.size()) { 
-                return HttpBadRequest(params, "Invalid part count"); 
-            } 
- 
-            for (auto i : xrange(etags.size())) { 
-                if (etags.at(i) != MD5::Data(it->second.at(i))) { 
-                    return HttpBadRequest(params, "Invalid part"); 
-                } 
-            } 
- 
-            Parent->Data[path] = JoinSeq("", it->second); 
-            Parent->MultipartUploads.erase(it); 
- 
-            const TString etag = MD5::Data(Parent->Data[path]); 
- 
-            params.Output << "HTTP/1.1 200 Ok\r\n"; 
-            params.Output << Sprintf(R"( 
-                <?xml version="1.0" encoding="UTF-8"?> 
-                <CompleteMultipartUploadResult> 
-                  <Key>%s</Key> 
-                  <ETag>%s</ETag> 
-                </CompleteMultipartUploadResult> 
-            )", TString(path.After('/')).c_str(), etag.c_str()); 
-        } else if (method == EMethod::Delete) { 
-            Parent->MultipartUploads.erase(it); 
-            params.Output << "HTTP/1.1 204 Ok\r\n\r\n"; 
-        } else { 
-            return HttpBadRequest(params); 
-        } 
-    } else { 
-        return HttpBadRequest(params); 
-    } 
- 
-    return true; 
-} 
- 
-TS3Mock::TRequest::TRequest(TS3Mock* parent) 
-    : Parent(parent) 
-{ 
-} 
- 
-bool TS3Mock::TRequest::DoReply(const TReplyParams& params) { 
-    TStringBuf requestString(RequestString); 
-    TStringBuf methodStr = requestString.NextTok(' '); 
-    TStringBuf uriStr = requestString.NextTok(' '); 
- 
-    if (!methodStr.IsInited() || !uriStr.IsInited()) { 
-        return HttpBadRequest(params); 
-    } 
- 
-    const EMethod method = ParseMethod(methodStr.data()); 
-    TStringBuf pathStr = uriStr.NextTok('?'); 
- 
-    TCgiParameters queryParams; 
-    queryParams.ScanAddAll(uriStr); 
- 
-    switch (method) { 
-    case EMethod::NotImplemented: 
-        return HttpNotImplemented(params); 
- 
-    case EMethod::Head: 
-    case EMethod::Get: 
-        if (Parent->Data.contains(pathStr)) { 
-            return HttpServeRead(params, method, Parent->Data.at(pathStr)); 
-        } else { 
-            return HttpNotFound(params); 
-        } 
-        break; 
- 
-    case EMethod::Put: 
-        MaybeContinue(params); 
-        return HttpServeWrite(params, pathStr, queryParams); 
- 
-    case EMethod::Post: 
-    case EMethod::Delete: 
-        MaybeContinue(params); 
-        return HttpServeAction(params, method, pathStr, queryParams); 
- 
-    case EMethod::Patch: 
-        MaybeContinue(params); 
-        return HttpNotImplemented(params); 
-    } 
-} 
- 
-TS3Mock::TS3Mock(const TSettings& settings) 
-    : THttpServer(this, settings.HttpOptions) 
-    , Settings(settings) 
-{ 
-} 
- 
-TS3Mock::TS3Mock(THashMap<TString, TString>&& data, const TSettings& settings) 
-    : THttpServer(this, settings.HttpOptions) 
-    , Settings(settings) 
-    , Data(std::move(data)) 
-{ 
-} 
- 
-TS3Mock::TS3Mock(const THashMap<TString, TString>& data, const TSettings& settings) 
-    : THttpServer(this, settings.HttpOptions) 
-    , Settings(settings) 
-    , Data(data) 
-{ 
-} 
- 
-TClientRequest* TS3Mock::CreateClient() { 
-    return new TRequest(this); 
-} 
- 
-} // NTestHelpers 
-} // NWrappers 
-} // NKikimr 
+#include "s3_mock.h"
+
+#include <library/cpp/digest/md5/md5.h>
+#include <library/cpp/xml/document/xml-document.h>
+
+#include <util/generic/xrange.h>
+#include <util/random/shuffle.h>
+#include <util/string/cast.h>
+#include <util/string/join.h>
+#include <util/string/printf.h>
+
+namespace NKikimr {
+namespace NWrappers {
+namespace NTestHelpers {
+
+TS3Mock::TSettings::TSettings()
+    : CorruptETags(false)
+    , RejectUploadParts(false)
+{
+}
+
+TS3Mock::TSettings::TSettings(ui16 port)
+    : HttpOptions(TOptions(port).SetThreads(1))
+    , CorruptETags(false)
+    , RejectUploadParts(false)
+{
+}
+
+TS3Mock::TSettings& TS3Mock::TSettings::WithHttpOptions(const TOptions& opts) {
+    HttpOptions = opts;
+    return *this;
+}
+
+TS3Mock::TSettings& TS3Mock::TSettings::WithCorruptETags(bool value) {
+    CorruptETags = value;
+    return *this;
+}
+
+TS3Mock::TSettings& TS3Mock::TSettings::WithRejectUploadParts(bool value) {
+    RejectUploadParts = value;
+    return *this;
+}
+
+TS3Mock::TRequest::EMethod TS3Mock::TRequest::ParseMethod(const char* str) {
+    if (strnicmp(str, "HEAD", 4) == 0) {
+        return EMethod::Head;
+    } else if (strnicmp(str, "GET", 3) == 0) {
+        return EMethod::Get;
+    } else if (strnicmp(str, "PUT", 3) == 0) {
+        return EMethod::Put;
+    } else if (strnicmp(str, "POST", 4) == 0) {
+        return EMethod::Post;
+    } else if (strnicmp(str, "PATCH", 5) == 0) {
+        return EMethod::Patch;
+    } else if (strnicmp(str, "DELETE", 6) == 0) {
+        return EMethod::Delete;
+    }
+    return EMethod::NotImplemented;
+}
+
+bool TS3Mock::TRequest::TryParseRange(TStringBuf str, std::pair<ui32, ui32>& range) {
+    if (!str.SkipPrefix("bytes=")) {
+        return false;
+    }
+
+    ui32 start;
+    if (!TryFromString(str.NextTok('-'), start)) {
+        return false;
+    }
+
+    ui32 end;
+    if (!TryFromString(str, end)) {
+        return false;
+    }
+
+    range = std::make_pair(start, end);
+    return true;
+}
+
+bool TS3Mock::TRequest::HttpBadRequest(const TReplyParams& params, const TString& error) {
+    params.Output << "HTTP/1.1 400 Bad request\r\n\r\n";
+    params.Output << error;
+    return true;
+}
+
+bool TS3Mock::TRequest::HttpNotFound(const TReplyParams& params) {
+    params.Output << "HTTP/1.1 404 Not found\r\n\r\n";
+    return true;
+}
+
+bool TS3Mock::TRequest::HttpNotImplemented(const TReplyParams& params) {
+    params.Output << "HTTP/1.1 501 Not Implemented\r\n\r\n";
+    return true;
+}
+
+void TS3Mock::TRequest::MaybeContinue(const TReplyParams& params) {
+    if (params.Input.HasExpect100Continue()) {
+        params.Output.SendContinue();
+    }
+}
+
+bool TS3Mock::TRequest::HttpServeRead(const TReplyParams& params, EMethod method, TStringBuf content) {
+    std::pair<ui32, ui32> range(0, content.size() - 1);
+    if (const auto* rangeHeader = params.Input.Headers().FindHeader("Range")) {
+        if (!TryParseRange(rangeHeader->Value(), range)) {
+            return HttpBadRequest(params, "Invalid range");
+        }
+    }
+
+    TString etag = MD5::Data(content);
+    if (Parent->Settings.CorruptETags) {
+        ShuffleRange(etag);
+    }
+
+    params.Output << "HTTP/1.1 200 Ok\r\n";
+    THttpHeaders headers;
+    headers.AddHeader("Content-Length", range.second - range.first + 1);
+    headers.AddHeader("ETag", etag);
+    headers.OutTo(&params.Output);
+    params.Output << "\r\n";
+
+    if (method == EMethod::Get) {
+        params.Output << content.SubStr(range.first, range.second - range.first + 1);
+    }
+
+    return true;
+}
+
+bool TS3Mock::TRequest::HttpServeWrite(const TReplyParams& params, TStringBuf path, const TCgiParameters& queryParams) {
+    TString content;
+    ui64 length;
+
+    if (params.Input.GetContentLength(length)) {
+        content = TString::Uninitialized(length);
+        params.Input.Read(content.Detach(), length);
+    } else {
+        content = params.Input.ReadAll();
+    }
+
+    const TString etag = MD5::Data(content);
+
+    if (!queryParams) {
+        Parent->Data[path] = std::move(content);
+    } else {
+        if (!queryParams.Has("uploadId") || !queryParams.Has("partNumber")) {
+            return HttpBadRequest(params, "'uploadId' & 'partNumber' must be specified");
+        }
+
+        auto it = Parent->MultipartUploads.find(std::make_pair(path, queryParams.Get("uploadId")));
+        if (it == Parent->MultipartUploads.end()) {
+            return HttpBadRequest(params, "Invalid uploadId");
+        }
+
+        size_t partNumber = 0;
+        if (!TryFromString(queryParams.Get("partNumber"), partNumber) || !partNumber) {
+            return HttpBadRequest(params, "Invalid partNumber");
+        }
+
+        if (Parent->Settings.RejectUploadParts) {
+            return HttpBadRequest(params, "Reject");
+        }
+
+        auto& parts = it->second;
+        if (parts.size() < partNumber) {
+            parts.resize(partNumber);
+        }
+
+        parts[partNumber - 1] = std::move(content);
+    }
+
+    params.Output << "HTTP/1.1 200 Ok\r\n";
+    THttpHeaders headers;
+    headers.AddHeader("ETag", etag);
+    headers.OutTo(&params.Output);
+    params.Output << "\r\n";
+
+    return true;
+}
+
+bool TS3Mock::TRequest::HttpServeAction(const TReplyParams& params, EMethod method, TStringBuf path, const TCgiParameters& queryParams) {
+    if (queryParams.Has("uploads")) {
+        const int uploadId = Parent->NextUploadId++;
+        Parent->MultipartUploads[std::make_pair(path, ToString(uploadId))] = {};
+
+        params.Output << "HTTP/1.1 200 Ok\r\n";
+        params.Output << Sprintf(R"(
+            <?xml version="1.0" encoding="UTF-8"?>
+            <InitiateMultipartUploadResult>
+              <Key>%s</Key>
+              <UploadId>%i</UploadId>
+            </InitiateMultipartUploadResult>
+        )", TString(path.After('/')).c_str(), uploadId);
+    } else if (queryParams.Has("uploadId")) {
+        auto it = Parent->MultipartUploads.find(std::make_pair(path, queryParams.Get("uploadId")));
+        if (it == Parent->MultipartUploads.end()) {
+            return HttpBadRequest(params, "Invalid uploadId");
+        }
+
+        if (method == EMethod::Post) {
+            NXml::TDocument request(params.Input.ReadAll(), NXml::TDocument::String);
+            TVector<TString> etags;
+
+            auto part = request.Root().FirstChild("Part");
+            while (!part.IsNull()) {
+                auto partNumberNode = part.FirstChild("PartNumber");
+                if (partNumberNode.IsNull()) {
+                    return HttpBadRequest(params, "Invalid request");
+                }
+
+                const ui32 partNumber = partNumberNode.Value<ui32>();
+                if (etags.size() < partNumber) {
+                    etags.resize(partNumber);
+                }
+
+                auto etagNode = part.FirstChild("ETag");
+                if (etagNode.IsNull()) {
+                    return HttpBadRequest(params, "Invalid request");
+                }
+
+                etags[partNumber - 1] = etagNode.Value<TString>();
+                part = part.NextSibling("Part");
+            }
+
+            if (etags.size() != it->second.size()) {
+                return HttpBadRequest(params, "Invalid part count");
+            }
+
+            for (auto i : xrange(etags.size())) {
+                if (etags.at(i) != MD5::Data(it->second.at(i))) {
+                    return HttpBadRequest(params, "Invalid part");
+                }
+            }
+
+            Parent->Data[path] = JoinSeq("", it->second);
+            Parent->MultipartUploads.erase(it);
+
+            const TString etag = MD5::Data(Parent->Data[path]);
+
+            params.Output << "HTTP/1.1 200 Ok\r\n";
+            params.Output << Sprintf(R"(
+                <?xml version="1.0" encoding="UTF-8"?>
+                <CompleteMultipartUploadResult>
+                  <Key>%s</Key>
+                  <ETag>%s</ETag>
+                </CompleteMultipartUploadResult>
+            )", TString(path.After('/')).c_str(), etag.c_str());
+        } else if (method == EMethod::Delete) {
+            Parent->MultipartUploads.erase(it);
+            params.Output << "HTTP/1.1 204 Ok\r\n\r\n";
+        } else {
+            return HttpBadRequest(params);
+        }
+    } else {
+        return HttpBadRequest(params);
+    }
+
+    return true;
+}
+
+TS3Mock::TRequest::TRequest(TS3Mock* parent)
+    : Parent(parent)
+{
+}
+
+bool TS3Mock::TRequest::DoReply(const TReplyParams& params) {
+    TStringBuf requestString(RequestString);
+    TStringBuf methodStr = requestString.NextTok(' ');
+    TStringBuf uriStr = requestString.NextTok(' ');
+
+    if (!methodStr.IsInited() || !uriStr.IsInited()) {
+        return HttpBadRequest(params);
+    }
+
+    const EMethod method = ParseMethod(methodStr.data());
+    TStringBuf pathStr = uriStr.NextTok('?');
+
+    TCgiParameters queryParams;
+    queryParams.ScanAddAll(uriStr);
+
+    switch (method) {
+    case EMethod::NotImplemented:
+        return HttpNotImplemented(params);
+
+    case EMethod::Head:
+    case EMethod::Get:
+        if (Parent->Data.contains(pathStr)) {
+            return HttpServeRead(params, method, Parent->Data.at(pathStr));
+        } else {
+            return HttpNotFound(params);
+        }
+        break;
+
+    case EMethod::Put:
+        MaybeContinue(params);
+        return HttpServeWrite(params, pathStr, queryParams);
+
+    case EMethod::Post:
+    case EMethod::Delete:
+        MaybeContinue(params);
+        return HttpServeAction(params, method, pathStr, queryParams);
+
+    case EMethod::Patch:
+        MaybeContinue(params);
+        return HttpNotImplemented(params);
+    }
+}
+
+TS3Mock::TS3Mock(const TSettings& settings)
+    : THttpServer(this, settings.HttpOptions)
+    , Settings(settings)
+{
+}
+
+TS3Mock::TS3Mock(THashMap<TString, TString>&& data, const TSettings& settings)
+    : THttpServer(this, settings.HttpOptions)
+    , Settings(settings)
+    , Data(std::move(data))
+{
+}
+
+TS3Mock::TS3Mock(const THashMap<TString, TString>& data, const TSettings& settings)
+    : THttpServer(this, settings.HttpOptions)
+    , Settings(settings)
+    , Data(data)
+{
+}
+
+TClientRequest* TS3Mock::CreateClient() {
+    return new TRequest(this);
+}
+
+} // NTestHelpers
+} // NWrappers
+} // NKikimr
diff --git a/ydb/core/wrappers/ut_helpers/s3_mock.h b/ydb/core/wrappers/ut_helpers/s3_mock.h
index a3ff85efd8..4d47fec47f 100644
--- a/ydb/core/wrappers/ut_helpers/s3_mock.h
+++ b/ydb/core/wrappers/ut_helpers/s3_mock.h
@@ -1,81 +1,81 @@
-#pragma once 
- 
-#include <library/cpp/http/server/http.h> 
-#include <library/cpp/cgiparam/cgiparam.h> 
- 
-#include <util/generic/hash.h> 
-#include <util/generic/string.h> 
-#include <util/generic/vector.h> 
- 
-namespace NKikimr { 
-namespace NWrappers { 
-namespace NTestHelpers { 
- 
-class TS3Mock: public THttpServer, public THttpServer::ICallBack { 
-public: 
-    struct TSettings { 
-        TOptions HttpOptions; 
-        bool CorruptETags; 
-        bool RejectUploadParts; 
- 
-        TSettings(); 
-        explicit TSettings(ui16 port); 
- 
-        TSettings& WithHttpOptions(const TOptions& opts); 
-        TSettings& WithCorruptETags(bool value); 
-        TSettings& WithRejectUploadParts(bool value); 
- 
-    }; // TSettings 
- 
-private: 
-    class TRequest: public TRequestReplier { 
-        enum class EMethod { 
-            NotImplemented, 
-            Head, 
-            Get, 
-            Put, 
-            Post, 
-            Patch, 
-            Delete, 
-        }; 
- 
-        static EMethod ParseMethod(const char* str); 
-        static bool TryParseRange(TStringBuf str, std::pair<ui32, ui32>& range); 
- 
-        bool HttpBadRequest(const TReplyParams& params, const TString& error = {}); 
-        bool HttpNotFound(const TReplyParams& params); 
-        bool HttpNotImplemented(const TReplyParams& params); 
-        void MaybeContinue(const TReplyParams& params); 
-        bool HttpServeRead(const TReplyParams& params, EMethod method, TStringBuf content); 
-        bool HttpServeWrite(const TReplyParams& params, TStringBuf path, const TCgiParameters& queryParams); 
-        bool HttpServeAction(const TReplyParams& params, EMethod method, TStringBuf path, const TCgiParameters& queryParams); 
- 
-    public: 
-        explicit TRequest(TS3Mock* parent); 
- 
-        bool DoReply(const TReplyParams& params) override; 
- 
-    private: 
-        TS3Mock* const Parent; 
- 
-    }; // TRequest 
- 
-public: 
-    explicit TS3Mock(const TSettings& settings = {}); 
-    explicit TS3Mock(THashMap<TString, TString>&& data, const TSettings& settings = {}); 
-    explicit TS3Mock(const THashMap<TString, TString>& data, const TSettings& settings = {}); 
- 
-    TClientRequest* CreateClient() override; 
- 
-private: 
-    const TSettings Settings; 
-    THashMap<TString, TString> Data; 
- 
-    int NextUploadId = 1; 
-    THashMap<std::pair<TString, TString>, TVector<TString>> MultipartUploads; 
- 
-}; // TS3Mock 
- 
-} // NTestHelpers 
-} // NWrappers 
-} // NKikimr 
+#pragma once
+
+#include <library/cpp/http/server/http.h>
+#include <library/cpp/cgiparam/cgiparam.h>
+
+#include <util/generic/hash.h>
+#include <util/generic/string.h>
+#include <util/generic/vector.h>
+
+namespace NKikimr {
+namespace NWrappers {
+namespace NTestHelpers {
+
+class TS3Mock: public THttpServer, public THttpServer::ICallBack {
+public:
+    struct TSettings {
+        TOptions HttpOptions;
+        bool CorruptETags;
+        bool RejectUploadParts;
+
+        TSettings();
+        explicit TSettings(ui16 port);
+
+        TSettings& WithHttpOptions(const TOptions& opts);
+        TSettings& WithCorruptETags(bool value);
+        TSettings& WithRejectUploadParts(bool value);
+
+    }; // TSettings
+
+private:
+    class TRequest: public TRequestReplier {
+        enum class EMethod {
+            NotImplemented,
+            Head,
+            Get,
+            Put,
+            Post,
+            Patch,
+            Delete,
+        };
+
+        static EMethod ParseMethod(const char* str);
+        static bool TryParseRange(TStringBuf str, std::pair<ui32, ui32>& range);
+
+        bool HttpBadRequest(const TReplyParams& params, const TString& error = {});
+        bool HttpNotFound(const TReplyParams& params);
+        bool HttpNotImplemented(const TReplyParams& params);
+        void MaybeContinue(const TReplyParams& params);
+        bool HttpServeRead(const TReplyParams& params, EMethod method, TStringBuf content);
+        bool HttpServeWrite(const TReplyParams& params, TStringBuf path, const TCgiParameters& queryParams);
+        bool HttpServeAction(const TReplyParams& params, EMethod method, TStringBuf path, const TCgiParameters& queryParams);
+
+    public:
+        explicit TRequest(TS3Mock* parent);
+
+        bool DoReply(const TReplyParams& params) override;
+
+    private:
+        TS3Mock* const Parent;
+
+    }; // TRequest
+
+public:
+    explicit TS3Mock(const TSettings& settings = {});
+    explicit TS3Mock(THashMap<TString, TString>&& data, const TSettings& settings = {});
+    explicit TS3Mock(const THashMap<TString, TString>& data, const TSettings& settings = {});
+
+    TClientRequest* CreateClient() override;
+
+private:
+    const TSettings Settings;
+    THashMap<TString, TString> Data;
+
+    int NextUploadId = 1;
+    THashMap<std::pair<TString, TString>, TVector<TString>> MultipartUploads;
+
+}; // TS3Mock
+
+} // NTestHelpers
+} // NWrappers
+} // NKikimr
diff --git a/ydb/core/wrappers/ut_helpers/ya.make b/ydb/core/wrappers/ut_helpers/ya.make
index fc4fbfc182..41dd61bc46 100644
--- a/ydb/core/wrappers/ut_helpers/ya.make
+++ b/ydb/core/wrappers/ut_helpers/ya.make
@@ -1,19 +1,19 @@
-LIBRARY() 
- 
-OWNER( 
-    ilnaz 
-    g:kikimr 
-) 
- 
-PEERDIR( 
-    library/cpp/digest/md5 
-    library/cpp/http/server 
-    library/cpp/xml/document 
-    library/cpp/cgiparam 
-) 
- 
-SRCS( 
-    s3_mock.cpp 
-) 
- 
-END() 
+LIBRARY()
+
+OWNER(
+    ilnaz
+    g:kikimr
+)
+
+PEERDIR(
+    library/cpp/digest/md5
+    library/cpp/http/server
+    library/cpp/xml/document
+    library/cpp/cgiparam
+)
+
+SRCS(
+    s3_mock.cpp
+)
+
+END()
diff --git a/ydb/core/wrappers/ya.make b/ydb/core/wrappers/ya.make
index 31829e3285..addea94446 100644
--- a/ydb/core/wrappers/ya.make
+++ b/ydb/core/wrappers/ya.make
@@ -1,30 +1,30 @@
-LIBRARY() 
- 
-OWNER( 
-    ilnaz 
-    g:kikimr 
-) 
- 
+LIBRARY()
+
+OWNER(
+    ilnaz
+    g:kikimr
+)
+
 IF (OS_WINDOWS)
     CFLAGS(
         -DKIKIMR_DISABLE_S3_WRAPPER
     )
-ELSE() 
-    SRCS( 
-        s3_out.cpp 
-        s3_wrapper.cpp 
-    ) 
-    PEERDIR( 
-        contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3 
-        contrib/libs/curl 
-        library/cpp/actors/core 
+ELSE()
+    SRCS(
+        s3_out.cpp
+        s3_wrapper.cpp
+    )
+    PEERDIR(
+        contrib/libs/aws-sdk-cpp/aws-cpp-sdk-s3
+        contrib/libs/curl
+        library/cpp/actors/core
         ydb/core/base
         ydb/core/protos
         ydb/core/wrappers/ut_helpers
-    ) 
-ENDIF() 
- 
-END() 
+    )
+ENDIF()
+
+END()
 
 RECURSE_FOR_TESTS(
     ut
diff --git a/ydb/core/ydb_convert/column_families.h b/ydb/core/ydb_convert/column_families.h
index 909787cc7a..152e0561bc 100644
--- a/ydb/core/ydb_convert/column_families.h
+++ b/ydb/core/ydb_convert/column_families.h
@@ -5,7 +5,7 @@
 #include <ydb/public/api/protos/ydb_table.pb.h>
 
 #include <util/generic/hash.h>
-#include <util/string/builder.h> 
+#include <util/string/builder.h>
 
 namespace NKikimr {
 
diff --git a/ydb/core/ydb_convert/table_description.cpp b/ydb/core/ydb_convert/table_description.cpp
index 870eae7b5a..0d10bb8450 100644
--- a/ydb/core/ydb_convert/table_description.cpp
+++ b/ydb/core/ydb_convert/table_description.cpp
@@ -1,15 +1,15 @@
-#include "column_families.h" 
-#include "table_description.h" 
-#include "table_settings.h" 
-#include "ydb_convert.h" 
+#include "column_families.h"
+#include "table_description.h"
+#include "table_settings.h"
+#include "ydb_convert.h"
 
 #include <ydb/core/base/appdata.h>
 #include <ydb/core/engine/mkql_proto.h>
 #include <ydb/core/protos/issue_id.pb.h>
 #include <ydb/library/yql/public/issue/yql_issue.h>
 
-#include <util/generic/hash.h> 
- 
+#include <util/generic/hash.h>
+
 namespace NKikimr {
 
 static NProtoBuf::Timestamp MillisecToProtoTimeStamp(ui64 ms) {
@@ -19,8 +19,8 @@ static NProtoBuf::Timestamp MillisecToProtoTimeStamp(ui64 ms) {
     return timestamp;
 }
 
-template <typename TYdbProto> 
-void FillColumnDescriptionImpl(TYdbProto& out, 
+template <typename TYdbProto>
+void FillColumnDescriptionImpl(TYdbProto& out,
         NKikimrMiniKQL::TType& splitKeyType, const NKikimrSchemeOp::TTableDescription& in) {
 
     splitKeyType.SetKind(NKikimrMiniKQL::ETypeKind::Tuple);
@@ -62,45 +62,45 @@ void FillColumnDescriptionImpl(TYdbProto& out,
             newColumn->set_family(column.GetFamilyName());
         }
     }
- 
-    if (in.HasTTLSettings() && in.GetTTLSettings().HasEnabled()) { 
-        const auto& inTTL = in.GetTTLSettings().GetEnabled(); 
- 
-        switch (inTTL.GetColumnUnit()) { 
+
+    if (in.HasTTLSettings() && in.GetTTLSettings().HasEnabled()) {
+        const auto& inTTL = in.GetTTLSettings().GetEnabled();
+
+        switch (inTTL.GetColumnUnit()) {
         case NKikimrSchemeOp::TTTLSettings::UNIT_AUTO: {
-            auto& outTTL = *out.mutable_ttl_settings()->mutable_date_type_column(); 
-            outTTL.set_column_name(inTTL.GetColumnName()); 
-            outTTL.set_expire_after_seconds(inTTL.GetExpireAfterSeconds()); 
-            break; 
-        } 
- 
+            auto& outTTL = *out.mutable_ttl_settings()->mutable_date_type_column();
+            outTTL.set_column_name(inTTL.GetColumnName());
+            outTTL.set_expire_after_seconds(inTTL.GetExpireAfterSeconds());
+            break;
+        }
+
         case NKikimrSchemeOp::TTTLSettings::UNIT_SECONDS:
         case NKikimrSchemeOp::TTTLSettings::UNIT_MILLISECONDS:
         case NKikimrSchemeOp::TTTLSettings::UNIT_MICROSECONDS:
         case NKikimrSchemeOp::TTTLSettings::UNIT_NANOSECONDS: {
-            auto& outTTL = *out.mutable_ttl_settings()->mutable_value_since_unix_epoch(); 
-            outTTL.set_column_name(inTTL.GetColumnName()); 
-            outTTL.set_column_unit(static_cast<Ydb::Table::ValueSinceUnixEpochModeSettings::Unit>(inTTL.GetColumnUnit())); 
-            outTTL.set_expire_after_seconds(inTTL.GetExpireAfterSeconds()); 
-            break; 
-        } 
- 
-        default: 
-            break; 
-        } 
-    } 
-}
-
-void FillColumnDescription(Ydb::Table::DescribeTableResult& out, 
+            auto& outTTL = *out.mutable_ttl_settings()->mutable_value_since_unix_epoch();
+            outTTL.set_column_name(inTTL.GetColumnName());
+            outTTL.set_column_unit(static_cast<Ydb::Table::ValueSinceUnixEpochModeSettings::Unit>(inTTL.GetColumnUnit()));
+            outTTL.set_expire_after_seconds(inTTL.GetExpireAfterSeconds());
+            break;
+        }
+
+        default:
+            break;
+        }
+    }
+}
+
+void FillColumnDescription(Ydb::Table::DescribeTableResult& out,
         NKikimrMiniKQL::TType& splitKeyType, const NKikimrSchemeOp::TTableDescription& in) {
-    FillColumnDescriptionImpl(out, splitKeyType, in); 
-} 
+    FillColumnDescriptionImpl(out, splitKeyType, in);
+}
 
-void FillColumnDescription(Ydb::Table::CreateTableRequest& out, 
+void FillColumnDescription(Ydb::Table::CreateTableRequest& out,
         NKikimrMiniKQL::TType& splitKeyType, const NKikimrSchemeOp::TTableDescription& in) {
-    FillColumnDescriptionImpl(out, splitKeyType, in); 
-} 
- 
+    FillColumnDescriptionImpl(out, splitKeyType, in);
+}
+
 bool ExtractColumnTypeId(ui32& outTypeId, const Ydb::Type& inType, Ydb::StatusIds::StatusCode& status, TString& error) {
     ui32 typeId;
     auto itemType = inType.has_optional_type() ? inType.optional_type().item() : inType;
@@ -148,53 +148,53 @@ bool ExtractColumnTypeId(ui32& outTypeId, const Ydb::Type& inType, Ydb::StatusId
 
 bool FillColumnDescription(NKikimrSchemeOp::TTableDescription& out,
     const google::protobuf::RepeatedPtrField<Ydb::Table::ColumnMeta>& in, Ydb::StatusIds::StatusCode& status, TString& error) {
- 
+
     for (const auto& column : in) {
         NKikimrSchemeOp:: TColumnDescription* cd = out.AddColumns();
-        cd->SetName(column.name()); 
-        if (!column.type().has_optional_type()) { 
-            if (!AppData()->FeatureFlags.GetEnableNotNullColumns()) { 
+        cd->SetName(column.name());
+        if (!column.type().has_optional_type()) {
+            if (!AppData()->FeatureFlags.GetEnableNotNullColumns()) {
                 status = Ydb::StatusIds::UNSUPPORTED;
                 error = "Not null columns feature is not supported yet";
                 return false;
             }
 
             cd->SetNotNull(true);
-        } 
- 
-        ui32 typeId; 
+        }
+
+        ui32 typeId;
         if (!ExtractColumnTypeId(typeId, column.type(), status, error)) {
-            return false; 
-        } 
-        cd->SetType(NYql::NProto::TypeIds_Name(NYql::NProto::TypeIds(typeId))); 
- 
-        if (!column.family().empty()) { 
-            cd->SetFamilyName(column.family()); 
-        } 
-    } 
- 
-    return true; 
-} 
- 
-template <typename TYdbProto> 
-void FillTableBoundaryImpl(TYdbProto& out, 
+            return false;
+        }
+        cd->SetType(NYql::NProto::TypeIds_Name(NYql::NProto::TypeIds(typeId)));
+
+        if (!column.family().empty()) {
+            cd->SetFamilyName(column.family());
+        }
+    }
+
+    return true;
+}
+
+template <typename TYdbProto>
+void FillTableBoundaryImpl(TYdbProto& out,
         const NKikimrSchemeOp::TTableDescription& in, const NKikimrMiniKQL::TType& splitKeyType) {
- 
+
     for (const auto& boundary : in.GetSplitBoundary()) {
         if (boundary.HasSerializedKeyPrefix()) {
             throw NYql::TErrorException(NKikimrIssues::TIssuesIds::DEFAULT_ERROR)
                 << "Unexpected serialized response from txProxy";
         } else if (boundary.HasKeyPrefix()) {
-            Ydb::TypedValue* ydbValue = nullptr; 
-
-            if constexpr (std::is_same<TYdbProto, Ydb::Table::DescribeTableResult>::value) { 
-                ydbValue = out.add_shard_key_bounds(); 
-            } else if constexpr (std::is_same<TYdbProto, Ydb::Table::CreateTableRequest>::value) { 
-                ydbValue = out.mutable_partition_at_keys()->add_split_points(); 
-            } else { 
-                Y_FAIL("Unknown proto type"); 
-            } 
- 
+            Ydb::TypedValue* ydbValue = nullptr;
+
+            if constexpr (std::is_same<TYdbProto, Ydb::Table::DescribeTableResult>::value) {
+                ydbValue = out.add_shard_key_bounds();
+            } else if constexpr (std::is_same<TYdbProto, Ydb::Table::CreateTableRequest>::value) {
+                ydbValue = out.mutable_partition_at_keys()->add_split_points();
+            } else {
+                Y_FAIL("Unknown proto type");
+            }
+
             ConvertMiniKQLTypeToYdbType(
                 splitKeyType,
                 *ydbValue->mutable_type());
@@ -210,25 +210,25 @@ void FillTableBoundaryImpl(TYdbProto& out,
     }
 }
 
-void FillTableBoundary(Ydb::Table::DescribeTableResult& out, 
+void FillTableBoundary(Ydb::Table::DescribeTableResult& out,
         const NKikimrSchemeOp::TTableDescription& in, const NKikimrMiniKQL::TType& splitKeyType) {
-    FillTableBoundaryImpl<Ydb::Table::DescribeTableResult>(out, in, splitKeyType); 
-} 
+    FillTableBoundaryImpl<Ydb::Table::DescribeTableResult>(out, in, splitKeyType);
+}
 
-void FillTableBoundary(Ydb::Table::CreateTableRequest& out, 
+void FillTableBoundary(Ydb::Table::CreateTableRequest& out,
         const NKikimrSchemeOp::TTableDescription& in, const NKikimrMiniKQL::TType& splitKeyType) {
-    FillTableBoundaryImpl<Ydb::Table::CreateTableRequest>(out, in, splitKeyType); 
-} 
- 
-template <typename TYdbProto> 
-void FillIndexDescriptionImpl(TYdbProto& out, 
+    FillTableBoundaryImpl<Ydb::Table::CreateTableRequest>(out, in, splitKeyType);
+}
+
+template <typename TYdbProto>
+void FillIndexDescriptionImpl(TYdbProto& out,
         const NKikimrSchemeOp::TTableDescription& in) {
- 
+
     for (const auto& tableIndex : in.GetTableIndexes()) {
         auto index = out.add_indexes();
- 
+
         index->set_name(tableIndex.GetName());
- 
+
         *index->mutable_index_columns() = {
             tableIndex.GetKeyColumnNames().begin(),
             tableIndex.GetKeyColumnNames().end()
@@ -239,129 +239,129 @@ void FillIndexDescriptionImpl(TYdbProto& out,
             tableIndex.GetDataColumnNames().end()
         };
 
-        switch (tableIndex.GetType()) { 
+        switch (tableIndex.GetType()) {
         case NKikimrSchemeOp::EIndexType::EIndexTypeGlobal:
             *index->mutable_global_index() = Ydb::Table::GlobalIndex();
-            break; 
+            break;
         case NKikimrSchemeOp::EIndexType::EIndexTypeGlobalAsync:
             *index->mutable_global_async_index() = Ydb::Table::GlobalAsyncIndex();
-            break; 
-        default: 
-            break; 
-        }; 
- 
-        if constexpr (std::is_same<TYdbProto, Ydb::Table::DescribeTableResult>::value) { 
+            break;
+        default:
+            break;
+        };
+
+        if constexpr (std::is_same<TYdbProto, Ydb::Table::DescribeTableResult>::value) {
             if (tableIndex.GetState() == NKikimrSchemeOp::EIndexState::EIndexStateReady) {
-                index->set_status(Ydb::Table::TableIndexDescription::STATUS_READY); 
-            } else { 
-                index->set_status(Ydb::Table::TableIndexDescription::STATUS_BUILDING); 
-            } 
-            index->set_size_bytes(tableIndex.GetDataSize()); 
+                index->set_status(Ydb::Table::TableIndexDescription::STATUS_READY);
+            } else {
+                index->set_status(Ydb::Table::TableIndexDescription::STATUS_BUILDING);
+            }
+            index->set_size_bytes(tableIndex.GetDataSize());
         }
     }
 }
 
-void FillIndexDescription(Ydb::Table::DescribeTableResult& out, 
+void FillIndexDescription(Ydb::Table::DescribeTableResult& out,
         const NKikimrSchemeOp::TTableDescription& in) {
-    FillIndexDescriptionImpl(out, in); 
-} 
- 
-void FillIndexDescription(Ydb::Table::CreateTableRequest& out, 
+    FillIndexDescriptionImpl(out, in);
+}
+
+void FillIndexDescription(Ydb::Table::CreateTableRequest& out,
         const NKikimrSchemeOp::TTableDescription& in) {
-    FillIndexDescriptionImpl(out, in); 
-} 
- 
+    FillIndexDescriptionImpl(out, in);
+}
+
 bool FillIndexDescription(NKikimrSchemeOp::TIndexedTableCreationConfig& out,
-    const Ydb::Table::CreateTableRequest& in, Ydb::StatusIds::StatusCode& status, TString& error) { 
- 
-    auto returnError = [&status, &error](Ydb::StatusIds::StatusCode code, const TString& msg) -> bool { 
-        status = code; 
-        error = msg; 
-        return false; 
-    }; 
- 
+    const Ydb::Table::CreateTableRequest& in, Ydb::StatusIds::StatusCode& status, TString& error) {
+
+    auto returnError = [&status, &error](Ydb::StatusIds::StatusCode code, const TString& msg) -> bool {
+        status = code;
+        error = msg;
+        return false;
+    };
+
     for (const auto& index : in.indexes()) {
         auto indexDesc = out.MutableIndexDescription()->Add();
- 
-        if (!index.data_columns().empty() && !AppData()->FeatureFlags.GetEnableDataColumnForIndexTable()) { 
+
+        if (!index.data_columns().empty() && !AppData()->FeatureFlags.GetEnableDataColumnForIndexTable()) {
             return returnError(Ydb::StatusIds::UNSUPPORTED, "Data column feature is not supported yet");
-        } 
- 
-        // common fields 
-        indexDesc->SetName(index.name()); 
-
-        for (const auto& col : index.index_columns()) { 
-            indexDesc->AddKeyColumnNames(col); 
-        } 
- 
+        }
+
+        // common fields
+        indexDesc->SetName(index.name());
+
+        for (const auto& col : index.index_columns()) {
+            indexDesc->AddKeyColumnNames(col);
+        }
+
         for (const auto& col : index.data_columns()) {
             indexDesc->AddDataColumnNames(col);
         }
 
-        // specific fields 
-        switch (index.type_case()) { 
-        case Ydb::Table::TableIndex::kGlobalIndex: 
+        // specific fields
+        switch (index.type_case()) {
+        case Ydb::Table::TableIndex::kGlobalIndex:
             indexDesc->SetType(NKikimrSchemeOp::EIndexType::EIndexTypeGlobal);
-            break; 
- 
-        case Ydb::Table::TableIndex::kGlobalAsyncIndex: 
-            if (!AppData()->FeatureFlags.GetEnableAsyncIndexes()) { 
-                return returnError(Ydb::StatusIds::UNSUPPORTED, "Async indexes are not supported yet"); 
+            break;
+
+        case Ydb::Table::TableIndex::kGlobalAsyncIndex:
+            if (!AppData()->FeatureFlags.GetEnableAsyncIndexes()) {
+                return returnError(Ydb::StatusIds::UNSUPPORTED, "Async indexes are not supported yet");
             }
- 
+
             indexDesc->SetType(NKikimrSchemeOp::EIndexType::EIndexTypeGlobalAsync);
-            break; 
- 
-        default: 
-            // pass through 
-            // TODO: maybe return BAD_REQUEST? 
-            break; 
-        } 
- 
-        //Disabled for a while. Probably we need to allow set this profile to user 
-/* 
-        auto indexTableDesc = indexDesc->MutableIndexImplTableDescription(); 
-        if (index.has_global_index() && index.global_index().has_table_profile()) { 
-            auto indexTableProfile = index.global_index().table_profile(); 
-            // Copy to common table profile to reuse common ApplyTableProfile method 
-            Ydb::Table::TableProfile profile; 
-            profile.mutable_partitioning_policy()->CopyFrom(indexTableProfile.partitioning_policy()); 
- 
-            StatusIds::StatusCode code; 
-            TString error; 
-            if (!Profiles.ApplyTableProfile(profile, *indexTableDesc, code, error)) { 
-                NYql::TIssues issues; 
-                issues.AddIssue(NYql::TIssue(error)); 
-                return Reply(code, issues, ctx); 
-            } 
-        } 
-*/ 
-    } 
- 
-    return true; 
-} 
- 
-void FillTableStats(Ydb::Table::DescribeTableResult& out, 
+            break;
+
+        default:
+            // pass through
+            // TODO: maybe return BAD_REQUEST?
+            break;
+        }
+
+        //Disabled for a while. Probably we need to allow set this profile to user
+/*
+        auto indexTableDesc = indexDesc->MutableIndexImplTableDescription();
+        if (index.has_global_index() && index.global_index().has_table_profile()) {
+            auto indexTableProfile = index.global_index().table_profile();
+            // Copy to common table profile to reuse common ApplyTableProfile method
+            Ydb::Table::TableProfile profile;
+            profile.mutable_partitioning_policy()->CopyFrom(indexTableProfile.partitioning_policy());
+
+            StatusIds::StatusCode code;
+            TString error;
+            if (!Profiles.ApplyTableProfile(profile, *indexTableDesc, code, error)) {
+                NYql::TIssues issues;
+                issues.AddIssue(NYql::TIssue(error));
+                return Reply(code, issues, ctx);
+            }
+        }
+*/
+    }
+
+    return true;
+}
+
+void FillTableStats(Ydb::Table::DescribeTableResult& out,
         const NKikimrSchemeOp::TPathDescription& in, bool withPartitionStatistic) {
- 
+
     auto stats = out.mutable_table_stats();
 
     if (withPartitionStatistic) {
         for (const auto& tablePartitionStat : in.GetTablePartitionStats()) {
             auto partition = stats->add_partition_stats();
             partition->set_rows_estimate(tablePartitionStat.GetRowCount());
-            partition->set_store_size(tablePartitionStat.GetDataSize() + tablePartitionStat.GetIndexSize()); 
+            partition->set_store_size(tablePartitionStat.GetDataSize() + tablePartitionStat.GetIndexSize());
         }
     }
 
     stats->set_rows_estimate(in.GetTableStats().GetRowCount());
     stats->set_partitions(in.GetTableStats().GetPartCount());
 
-    stats->set_store_size(in.GetTableStats().GetDataSize() + in.GetTableStats().GetIndexSize()); 
-    for (const auto& index : in.GetTable().GetTableIndexes()) { 
-        stats->set_store_size(stats->store_size() + index.GetDataSize()); 
-    } 
- 
+    stats->set_store_size(in.GetTableStats().GetDataSize() + in.GetTableStats().GetIndexSize());
+    for (const auto& index : in.GetTable().GetTableIndexes()) {
+        stats->set_store_size(stats->store_size() + index.GetDataSize());
+    }
+
     ui64 modificationTimeMs = in.GetTableStats().GetLastUpdateTime();
     if (modificationTimeMs) {
         auto modificationTime = MillisecToProtoTimeStamp(modificationTimeMs);
@@ -385,10 +385,10 @@ static bool IsDefaultFamily(const NKikimrSchemeOp::TFamilyDescription& family) {
     return false;
 }
 
-template <typename TYdbProto> 
-void FillStorageSettingsImpl(TYdbProto& out, 
+template <typename TYdbProto>
+void FillStorageSettingsImpl(TYdbProto& out,
         const NKikimrSchemeOp::TTableDescription& in) {
- 
+
     if (!in.HasPartitionConfig()) {
         return;
     }
@@ -444,20 +444,20 @@ void FillStorageSettingsImpl(TYdbProto& out,
     }
 }
 
-void FillStorageSettings(Ydb::Table::DescribeTableResult& out, 
+void FillStorageSettings(Ydb::Table::DescribeTableResult& out,
         const NKikimrSchemeOp::TTableDescription& in) {
-    FillStorageSettingsImpl(out, in); 
-} 
- 
-void FillStorageSettings(Ydb::Table::CreateTableRequest& out, 
+    FillStorageSettingsImpl(out, in);
+}
+
+void FillStorageSettings(Ydb::Table::CreateTableRequest& out,
         const NKikimrSchemeOp::TTableDescription& in) {
-    FillStorageSettingsImpl(out, in); 
-} 
- 
-template <typename TYdbProto> 
-void FillColumnFamiliesImpl(TYdbProto& out, 
+    FillStorageSettingsImpl(out, in);
+}
+
+template <typename TYdbProto>
+void FillColumnFamiliesImpl(TYdbProto& out,
         const NKikimrSchemeOp::TTableDescription& in) {
- 
+
     if (!in.HasPartitionConfig()) {
         return;
     }
@@ -510,52 +510,52 @@ void FillColumnFamiliesImpl(TYdbProto& out,
     }
 }
 
-void FillColumnFamilies(Ydb::Table::DescribeTableResult& out, 
+void FillColumnFamilies(Ydb::Table::DescribeTableResult& out,
         const NKikimrSchemeOp::TTableDescription& in) {
-    FillColumnFamiliesImpl(out, in); 
-} 
- 
-void FillColumnFamilies(Ydb::Table::CreateTableRequest& out, 
+    FillColumnFamiliesImpl(out, in);
+}
+
+void FillColumnFamilies(Ydb::Table::CreateTableRequest& out,
         const NKikimrSchemeOp::TTableDescription& in) {
-    FillColumnFamiliesImpl(out, in); 
-} 
- 
-template <typename TYdbProto> 
-void FillAttributesImpl(TYdbProto& out, 
+    FillColumnFamiliesImpl(out, in);
+}
+
+template <typename TYdbProto>
+void FillAttributesImpl(TYdbProto& out,
         const NKikimrSchemeOp::TPathDescription& in) {
- 
-    if (!in.UserAttributesSize()) { 
-        return; 
-    } 
- 
-    auto& outAttrs = *out.mutable_attributes(); 
-    for (const auto& inAttr : in.GetUserAttributes()) { 
-        outAttrs[inAttr.GetKey()] = inAttr.GetValue(); 
-    } 
-} 
- 
-void FillAttributes(Ydb::Table::DescribeTableResult& out, 
+
+    if (!in.UserAttributesSize()) {
+        return;
+    }
+
+    auto& outAttrs = *out.mutable_attributes();
+    for (const auto& inAttr : in.GetUserAttributes()) {
+        outAttrs[inAttr.GetKey()] = inAttr.GetValue();
+    }
+}
+
+void FillAttributes(Ydb::Table::DescribeTableResult& out,
         const NKikimrSchemeOp::TPathDescription& in) {
-    FillAttributesImpl(out, in); 
-} 
- 
-void FillAttributes(Ydb::Table::CreateTableRequest& out, 
+    FillAttributesImpl(out, in);
+}
+
+void FillAttributes(Ydb::Table::CreateTableRequest& out,
         const NKikimrSchemeOp::TPathDescription& in) {
-    FillAttributesImpl(out, in); 
-} 
- 
-template <typename TYdbProto> 
-static void FillDefaultPartitioningSettings(TYdbProto& out) { 
+    FillAttributesImpl(out, in);
+}
+
+template <typename TYdbProto>
+static void FillDefaultPartitioningSettings(TYdbProto& out) {
     // (!) We assume that all partitioning methods are disabled by default. But we don't know it for sure.
     auto& outPartSettings = *out.mutable_partitioning_settings();
     outPartSettings.set_partitioning_by_size(Ydb::FeatureFlag::DISABLED);
     outPartSettings.set_partitioning_by_load(Ydb::FeatureFlag::DISABLED);
 }
 
-template <typename TYdbProto> 
-void FillPartitioningSettingsImpl(TYdbProto& out, 
+template <typename TYdbProto>
+void FillPartitioningSettingsImpl(TYdbProto& out,
         const NKikimrSchemeOp::TTableDescription& in) {
- 
+
     if (!in.HasPartitionConfig()) {
         FillDefaultPartitioningSettings(out);
         return;
@@ -596,39 +596,39 @@ void FillPartitioningSettingsImpl(TYdbProto& out,
     if (inPartPolicy.HasMaxPartitionsCount() && inPartPolicy.GetMaxPartitionsCount()) {
         outPartSettings.set_max_partitions_count(inPartPolicy.GetMaxPartitionsCount());
     }
-} 
+}
 
-void FillPartitioningSettings(Ydb::Table::DescribeTableResult& out, 
+void FillPartitioningSettings(Ydb::Table::DescribeTableResult& out,
         const NKikimrSchemeOp::TTableDescription& in) {
-    FillPartitioningSettingsImpl(out, in); 
+    FillPartitioningSettingsImpl(out, in);
 }
 
-void FillPartitioningSettings(Ydb::Table::CreateTableRequest& out, 
+void FillPartitioningSettings(Ydb::Table::CreateTableRequest& out,
         const NKikimrSchemeOp::TTableDescription& in) {
-    FillPartitioningSettingsImpl(out, in); 
-} 
- 
+    FillPartitioningSettingsImpl(out, in);
+}
+
 bool CopyExplicitPartitions(NKikimrSchemeOp::TTableDescription& out,
-    const Ydb::Table::ExplicitPartitions& in, Ydb::StatusIds::StatusCode& status, TString& error) { 
- 
-    try { 
-        for (auto &point : in.split_points()) { 
-            auto &dst = *out.AddSplitBoundary()->MutableKeyPrefix(); 
-            ConvertYdbValueToMiniKQLValue(point.type(), point.value(), dst); 
-        } 
-    } catch (const std::exception &e) { 
-        status = Ydb::StatusIds::BAD_REQUEST; 
-        error = TString("cannot convert split points: ") + e.what(); 
-        return false; 
-    } 
- 
-    return true; 
-} 
- 
-template <typename TYdbProto> 
-void FillKeyBloomFilterImpl(TYdbProto& out, 
+    const Ydb::Table::ExplicitPartitions& in, Ydb::StatusIds::StatusCode& status, TString& error) {
+
+    try {
+        for (auto &point : in.split_points()) {
+            auto &dst = *out.AddSplitBoundary()->MutableKeyPrefix();
+            ConvertYdbValueToMiniKQLValue(point.type(), point.value(), dst);
+        }
+    } catch (const std::exception &e) {
+        status = Ydb::StatusIds::BAD_REQUEST;
+        error = TString("cannot convert split points: ") + e.what();
+        return false;
+    }
+
+    return true;
+}
+
+template <typename TYdbProto>
+void FillKeyBloomFilterImpl(TYdbProto& out,
         const NKikimrSchemeOp::TTableDescription& in) {
- 
+
     if (!in.HasPartitionConfig()) {
         return;
     }
@@ -645,20 +645,20 @@ void FillKeyBloomFilterImpl(TYdbProto& out,
     }
 }
 
-void FillKeyBloomFilter(Ydb::Table::DescribeTableResult& out, 
+void FillKeyBloomFilter(Ydb::Table::DescribeTableResult& out,
         const NKikimrSchemeOp::TTableDescription& in) {
-    FillKeyBloomFilterImpl(out, in); 
-} 
- 
-void FillKeyBloomFilter(Ydb::Table::CreateTableRequest& out, 
+    FillKeyBloomFilterImpl(out, in);
+}
+
+void FillKeyBloomFilter(Ydb::Table::CreateTableRequest& out,
         const NKikimrSchemeOp::TTableDescription& in) {
-    FillKeyBloomFilterImpl(out, in); 
-} 
- 
-template <typename TYdbProto> 
-void FillReadReplicasSettingsImpl(TYdbProto& out, 
+    FillKeyBloomFilterImpl(out, in);
+}
+
+template <typename TYdbProto>
+void FillReadReplicasSettingsImpl(TYdbProto& out,
         const NKikimrSchemeOp::TTableDescription& in) {
- 
+
     if (!in.HasPartitionConfig()) {
         return;
     }
@@ -686,49 +686,49 @@ void FillReadReplicasSettingsImpl(TYdbProto& out,
     }
 }
 
-void FillReadReplicasSettings(Ydb::Table::DescribeTableResult& out, 
+void FillReadReplicasSettings(Ydb::Table::DescribeTableResult& out,
         const NKikimrSchemeOp::TTableDescription& in) {
-    FillReadReplicasSettingsImpl(out, in); 
-} 
+    FillReadReplicasSettingsImpl(out, in);
+}
 
-void FillReadReplicasSettings(Ydb::Table::CreateTableRequest& out, 
+void FillReadReplicasSettings(Ydb::Table::CreateTableRequest& out,
         const NKikimrSchemeOp::TTableDescription& in) {
-    FillReadReplicasSettingsImpl(out, in); 
-}
-
-bool FillTableDescription(NKikimrSchemeOp::TModifyScheme& out, 
-        const Ydb::Table::CreateTableRequest& in, Ydb::StatusIds::StatusCode& status, TString& error) 
-{ 
-    auto& tableDesc = *out.MutableCreateTable(); 
- 
-    if (!FillColumnDescription(tableDesc, in.columns(), status, error)) { 
-        return false; 
-    } 
- 
-    tableDesc.MutableKeyColumnNames()->CopyFrom(in.primary_key()); 
- 
-    TColumnFamilyManager families(tableDesc.MutablePartitionConfig()); 
-    if (in.has_storage_settings() && !families.ApplyStorageSettings(in.storage_settings(), &status, &error)) { 
-        return false; 
-    } 
-    for (const auto& familySettings : in.column_families()) { 
-        if (!families.ApplyFamilySettings(familySettings, &status, &error)) { 
-            return false; 
-        } 
-    } 
- 
-    for (auto [key, value] : in.attributes()) { 
-        auto& attr = *out.MutableAlterUserAttributes()->AddUserAttributes(); 
-        attr.SetKey(key); 
-        attr.SetValue(value); 
-    } 
- 
-    TList<TString> warnings; 
-    if (!FillCreateTableSettingsDesc(tableDesc, in, status, error, warnings, false)) { 
-        return false; 
-    } 
- 
-    return true; 
-} 
- 
+    FillReadReplicasSettingsImpl(out, in);
+}
+
+bool FillTableDescription(NKikimrSchemeOp::TModifyScheme& out,
+        const Ydb::Table::CreateTableRequest& in, Ydb::StatusIds::StatusCode& status, TString& error)
+{
+    auto& tableDesc = *out.MutableCreateTable();
+
+    if (!FillColumnDescription(tableDesc, in.columns(), status, error)) {
+        return false;
+    }
+
+    tableDesc.MutableKeyColumnNames()->CopyFrom(in.primary_key());
+
+    TColumnFamilyManager families(tableDesc.MutablePartitionConfig());
+    if (in.has_storage_settings() && !families.ApplyStorageSettings(in.storage_settings(), &status, &error)) {
+        return false;
+    }
+    for (const auto& familySettings : in.column_families()) {
+        if (!families.ApplyFamilySettings(familySettings, &status, &error)) {
+            return false;
+        }
+    }
+
+    for (auto [key, value] : in.attributes()) {
+        auto& attr = *out.MutableAlterUserAttributes()->AddUserAttributes();
+        attr.SetKey(key);
+        attr.SetValue(value);
+    }
+
+    TList<TString> warnings;
+    if (!FillCreateTableSettingsDesc(tableDesc, in, status, error, warnings, false)) {
+        return false;
+    }
+
+    return true;
+}
+
 } // namespace NKikimr
diff --git a/ydb/core/ydb_convert/table_description.h b/ydb/core/ydb_convert/table_description.h
index 138f08b98f..af77a93776 100644
--- a/ydb/core/ydb_convert/table_description.h
+++ b/ydb/core/ydb_convert/table_description.h
@@ -1,82 +1,82 @@
-#pragma once 
- 
+#pragma once
+
 #include <ydb/library/mkql_proto/protos/minikql.pb.h>
 #include <ydb/core/protos/flat_tx_scheme.pb.h>
 #include <ydb/public/api/protos/ydb_table.pb.h>
- 
-namespace NKikimr { 
- 
-// out 
-void FillColumnDescription(Ydb::Table::DescribeTableResult& out, 
+
+namespace NKikimr {
+
+// out
+void FillColumnDescription(Ydb::Table::DescribeTableResult& out,
     NKikimrMiniKQL::TType& splitKeyType, const NKikimrSchemeOp::TTableDescription& in);
-void FillColumnDescription(Ydb::Table::CreateTableRequest& out, 
+void FillColumnDescription(Ydb::Table::CreateTableRequest& out,
     NKikimrMiniKQL::TType& splitKeyType, const NKikimrSchemeOp::TTableDescription& in);
-// in 
+// in
 bool FillColumnDescription(NKikimrSchemeOp::TTableDescription& out,
     const google::protobuf::RepeatedPtrField<Ydb::Table::ColumnMeta>& in, Ydb::StatusIds::StatusCode& status, TString& error);
 bool ExtractColumnTypeId(ui32& outTypeId, const Ydb::Type& inType, Ydb::StatusIds::StatusCode& status, TString& error);
- 
-// out 
-void FillTableBoundary(Ydb::Table::DescribeTableResult& out, 
+
+// out
+void FillTableBoundary(Ydb::Table::DescribeTableResult& out,
     const NKikimrSchemeOp::TTableDescription& in, const NKikimrMiniKQL::TType& splitKeyType);
-void FillTableBoundary(Ydb::Table::CreateTableRequest& out, 
+void FillTableBoundary(Ydb::Table::CreateTableRequest& out,
     const NKikimrSchemeOp::TTableDescription& in, const NKikimrMiniKQL::TType& splitKeyType);
- 
-// out 
-void FillIndexDescription(Ydb::Table::DescribeTableResult& out, 
+
+// out
+void FillIndexDescription(Ydb::Table::DescribeTableResult& out,
     const NKikimrSchemeOp::TTableDescription& in);
-void FillIndexDescription(Ydb::Table::CreateTableRequest& out, 
+void FillIndexDescription(Ydb::Table::CreateTableRequest& out,
     const NKikimrSchemeOp::TTableDescription& in);
-// in 
+// in
 bool FillIndexDescription(NKikimrSchemeOp::TIndexedTableCreationConfig& out,
-    const Ydb::Table::CreateTableRequest& in, Ydb::StatusIds::StatusCode& status, TString& error); 
- 
-// out 
-void FillTableStats(Ydb::Table::DescribeTableResult& out, 
+    const Ydb::Table::CreateTableRequest& in, Ydb::StatusIds::StatusCode& status, TString& error);
+
+// out
+void FillTableStats(Ydb::Table::DescribeTableResult& out,
     const NKikimrSchemeOp::TPathDescription& in, bool withPartitionStatistic);
- 
-// out 
-void FillStorageSettings(Ydb::Table::DescribeTableResult& out, 
+
+// out
+void FillStorageSettings(Ydb::Table::DescribeTableResult& out,
     const NKikimrSchemeOp::TTableDescription& in);
-void FillStorageSettings(Ydb::Table::CreateTableRequest& out, 
+void FillStorageSettings(Ydb::Table::CreateTableRequest& out,
     const NKikimrSchemeOp::TTableDescription& in);
- 
-// out 
-void FillColumnFamilies(Ydb::Table::DescribeTableResult& out, 
+
+// out
+void FillColumnFamilies(Ydb::Table::DescribeTableResult& out,
     const NKikimrSchemeOp::TTableDescription& in);
-void FillColumnFamilies(Ydb::Table::CreateTableRequest& out, 
+void FillColumnFamilies(Ydb::Table::CreateTableRequest& out,
     const NKikimrSchemeOp::TTableDescription& in);
- 
-// out 
-void FillAttributes(Ydb::Table::DescribeTableResult& out, 
+
+// out
+void FillAttributes(Ydb::Table::DescribeTableResult& out,
     const NKikimrSchemeOp::TPathDescription& in);
-void FillAttributes(Ydb::Table::CreateTableRequest& out, 
+void FillAttributes(Ydb::Table::CreateTableRequest& out,
     const NKikimrSchemeOp::TPathDescription& in);
- 
-// out 
-void FillPartitioningSettings(Ydb::Table::DescribeTableResult& out, 
+
+// out
+void FillPartitioningSettings(Ydb::Table::DescribeTableResult& out,
     const NKikimrSchemeOp::TTableDescription& in);
-void FillPartitioningSettings(Ydb::Table::CreateTableRequest& out, 
+void FillPartitioningSettings(Ydb::Table::CreateTableRequest& out,
     const NKikimrSchemeOp::TTableDescription& in);
- 
-// in 
+
+// in
 bool CopyExplicitPartitions(NKikimrSchemeOp::TTableDescription& out,
-    const Ydb::Table::ExplicitPartitions& in, Ydb::StatusIds::StatusCode& status, TString& error); 
- 
-// out 
-void FillKeyBloomFilter(Ydb::Table::DescribeTableResult& out, 
+    const Ydb::Table::ExplicitPartitions& in, Ydb::StatusIds::StatusCode& status, TString& error);
+
+// out
+void FillKeyBloomFilter(Ydb::Table::DescribeTableResult& out,
     const NKikimrSchemeOp::TTableDescription& in);
-void FillKeyBloomFilter(Ydb::Table::CreateTableRequest& out, 
+void FillKeyBloomFilter(Ydb::Table::CreateTableRequest& out,
     const NKikimrSchemeOp::TTableDescription& in);
- 
-// out 
-void FillReadReplicasSettings(Ydb::Table::DescribeTableResult& out, 
+
+// out
+void FillReadReplicasSettings(Ydb::Table::DescribeTableResult& out,
     const NKikimrSchemeOp::TTableDescription& in);
-void FillReadReplicasSettings(Ydb::Table::CreateTableRequest& out, 
+void FillReadReplicasSettings(Ydb::Table::CreateTableRequest& out,
     const NKikimrSchemeOp::TTableDescription& in);
- 
-// in 
-bool FillTableDescription(NKikimrSchemeOp::TModifyScheme& out, 
-    const Ydb::Table::CreateTableRequest& in, Ydb::StatusIds::StatusCode& status, TString& error); 
- 
-} // namespace NKikimr 
+
+// in
+bool FillTableDescription(NKikimrSchemeOp::TModifyScheme& out,
+    const Ydb::Table::CreateTableRequest& in, Ydb::StatusIds::StatusCode& status, TString& error);
+
+} // namespace NKikimr
diff --git a/ydb/core/ydb_convert/table_settings.cpp b/ydb/core/ydb_convert/table_settings.cpp
index e50a7e504c..3f3547f1f5 100644
--- a/ydb/core/ydb_convert/table_settings.cpp
+++ b/ydb/core/ydb_convert/table_settings.cpp
@@ -1,7 +1,7 @@
-#include "table_description.h" 
+#include "table_description.h"
 #include "table_settings.h"
 
-#include <util/generic/list.h> 
+#include <util/generic/list.h>
 #include <util/string/builder.h>
 
 namespace NKikimr {
@@ -28,8 +28,8 @@ namespace {
 }
 
 bool FillCreateTableSettingsDesc(NKikimrSchemeOp::TTableDescription& tableDesc,
-    const Ydb::Table::CreateTableRequest& proto, 
-    Ydb::StatusIds::StatusCode& code, TString& error, TList<TString>& warnings, bool tableProfileSet) 
+    const Ydb::Table::CreateTableRequest& proto,
+    Ydb::StatusIds::StatusCode& code, TString& error, TList<TString>& warnings, bool tableProfileSet)
 {
     auto &partitionConfig = *tableDesc.MutablePartitionConfig();
 
@@ -129,7 +129,7 @@ bool FillCreateTableSettingsDesc(NKikimrSchemeOp::TTableDescription& tableDesc,
         tableDesc.SetUniformPartitionsCount(proto.uniform_partitions());
         break;
     case Ydb::Table::CreateTableRequest::kPartitionAtKeys:
-        if (!CopyExplicitPartitions(tableDesc, proto.partition_at_keys(), code, error)) { 
+        if (!CopyExplicitPartitions(tableDesc, proto.partition_at_keys(), code, error)) {
             return false;
         }
         break;
@@ -190,18 +190,18 @@ bool FillCreateTableSettingsDesc(NKikimrSchemeOp::TTableDescription& tableDesc,
         }
     }
 
-    if (proto.has_ttl_settings()) { 
-        if (!FillTtlSettings(*tableDesc.MutableTTLSettings()->MutableEnabled(), proto.ttl_settings(), code, error)) { 
-            return false; 
-        } 
-    } 
- 
+    if (proto.has_ttl_settings()) {
+        if (!FillTtlSettings(*tableDesc.MutableTTLSettings()->MutableEnabled(), proto.ttl_settings(), code, error)) {
+            return false;
+        }
+    }
+
     return true;
 }
 
 bool FillAlterTableSettingsDesc(NKikimrSchemeOp::TTableDescription& tableDesc,
-    const Ydb::Table::AlterTableRequest& proto, 
-    Ydb::StatusIds::StatusCode& code, TString& error, bool changed) 
+    const Ydb::Table::AlterTableRequest& proto,
+    Ydb::StatusIds::StatusCode& code, TString& error, bool changed)
 {
     bool hadPartitionConfig = tableDesc.HasPartitionConfig();
     auto &partitionConfig = *tableDesc.MutablePartitionConfig();
@@ -338,18 +338,18 @@ bool FillAlterTableSettingsDesc(NKikimrSchemeOp::TTableDescription& tableDesc,
         changed = true;
     }
 
-    if (proto.has_set_ttl_settings()) { 
-        if (!FillTtlSettings(*tableDesc.MutableTTLSettings()->MutableEnabled(), proto.set_ttl_settings(), code, error)) { 
-            return false; 
-        } 
-    } else if (proto.has_drop_ttl_settings()) { 
-        tableDesc.MutableTTLSettings()->MutableDisabled(); 
-    } 
- 
+    if (proto.has_set_ttl_settings()) {
+        if (!FillTtlSettings(*tableDesc.MutableTTLSettings()->MutableEnabled(), proto.set_ttl_settings(), code, error)) {
+            return false;
+        }
+    } else if (proto.has_drop_ttl_settings()) {
+        tableDesc.MutableTTLSettings()->MutableDisabled();
+    }
+
     if (!changed && !hadPartitionConfig) {
         tableDesc.ClearPartitionConfig();
     }
- 
+
     return true;
 }
 
diff --git a/ydb/core/ydb_convert/table_settings.h b/ydb/core/ydb_convert/table_settings.h
index c01d4aea0c..cc9b4fc488 100644
--- a/ydb/core/ydb_convert/table_settings.h
+++ b/ydb/core/ydb_convert/table_settings.h
@@ -1,23 +1,23 @@
-#pragma once 
- 
+#pragma once
+
 #include <ydb/core/protos/flat_scheme_op.pb.h>
 #include <ydb/public/api/protos/ydb_table.pb.h>
- 
-#include <util/datetime/base.h> 
+
+#include <util/datetime/base.h>
 #include <util/string/builder.h>
 
-namespace NKikimr { 
- 
-void MEWarning(const TString& settingName, TList<TString>& warnings); 
- 
+namespace NKikimr {
+
+void MEWarning(const TString& settingName, TList<TString>& warnings);
+
 bool FillCreateTableSettingsDesc(NKikimrSchemeOp::TTableDescription& out,
-    const Ydb::Table::CreateTableRequest& in, 
-    Ydb::StatusIds::StatusCode& code, TString& error, TList<TString>& warnings, bool tableProfileSet); 
- 
+    const Ydb::Table::CreateTableRequest& in,
+    Ydb::StatusIds::StatusCode& code, TString& error, TList<TString>& warnings, bool tableProfileSet);
+
 bool FillAlterTableSettingsDesc(NKikimrSchemeOp::TTableDescription& out,
-    const Ydb::Table::AlterTableRequest& in, 
-    Ydb::StatusIds::StatusCode& code, TString& error, bool changed); 
- 
+    const Ydb::Table::AlterTableRequest& in,
+    Ydb::StatusIds::StatusCode& code, TString& error, bool changed);
+
 template <class TTtlSettingsEnabled>
 bool FillTtlSettings(TTtlSettingsEnabled& out, const Ydb::Table::TtlSettings& in,
     Ydb::StatusIds::StatusCode& code, TString& error)
@@ -61,12 +61,12 @@ bool FillTtlSettings(TTtlSettingsEnabled& out, const Ydb::Table::TtlSettings& in
     }
 
     if constexpr (std::is_same_v<TTtlSettingsEnabled, NKikimrSchemeOp::TTTLSettings>) {
-        if (in.run_interval_seconds()) { 
-            out.MutableSysSettings()->SetRunInterval(TDuration::Seconds(in.run_interval_seconds()).GetValue()); 
-        } 
-    } 
- 
+        if (in.run_interval_seconds()) {
+            out.MutableSysSettings()->SetRunInterval(TDuration::Seconds(in.run_interval_seconds()).GetValue());
+        }
+    }
+
     return true;
 }
 
-} // namespace NKikimr 
+} // namespace NKikimr
diff --git a/ydb/core/ydb_convert/ut/ya.make b/ydb/core/ydb_convert/ut/ya.make
index cd28e5ff0f..d71f89e815 100644
--- a/ydb/core/ydb_convert/ut/ya.make
+++ b/ydb/core/ydb_convert/ut/ya.make
@@ -1,20 +1,20 @@
 UNITTEST_FOR(ydb/core/ydb_convert)
- 
+
 OWNER(g:kikimr)
- 
-FORK_SUBTESTS() 
- 
-IF (SANITIZER_TYPE OR WITH_VALGRIND) 
-    SIZE(MEDIUM) 
-ENDIF() 
- 
-SRCS( 
-    ydb_convert_ut.cpp 
-) 
- 
-PEERDIR( 
-    library/cpp/testing/unittest 
+
+FORK_SUBTESTS()
+
+IF (SANITIZER_TYPE OR WITH_VALGRIND)
+    SIZE(MEDIUM)
+ENDIF()
+
+SRCS(
+    ydb_convert_ut.cpp
+)
+
+PEERDIR(
+    library/cpp/testing/unittest
     ydb/core/testlib
-) 
- 
-END() 
+)
+
+END()
diff --git a/ydb/core/ydb_convert/ya.make b/ydb/core/ydb_convert/ya.make
index f65e785c6b..230db48744 100644
--- a/ydb/core/ydb_convert/ya.make
+++ b/ydb/core/ydb_convert/ya.make
@@ -1,15 +1,15 @@
-LIBRARY() 
- 
+LIBRARY()
+
 OWNER(g:kikimr)
- 
-SRCS( 
-    column_families.cpp 
-    table_settings.cpp 
-    table_description.cpp 
-    ydb_convert.cpp 
-) 
- 
-PEERDIR( 
+
+SRCS(
+    column_families.cpp
+    table_settings.cpp
+    table_description.cpp
+    ydb_convert.cpp
+)
+
+PEERDIR(
     ydb/core/base
     ydb/core/engine
     ydb/core/protos
@@ -20,8 +20,8 @@ PEERDIR(
     ydb/library/yql/minikql/dom
     ydb/library/yql/public/udf
     ydb/public/api/protos
-) 
- 
+)
+
 YQL_LAST_ABI_VERSION()
 
 END()
diff --git a/ydb/core/ydb_convert/ydb_convert.cpp b/ydb/core/ydb_convert/ydb_convert.cpp
index 018b638369..11c804cff5 100644
--- a/ydb/core/ydb_convert/ydb_convert.cpp
+++ b/ydb/core/ydb_convert/ydb_convert.cpp
@@ -1,5 +1,5 @@
-#include "ydb_convert.h" 
- 
+#include "ydb_convert.h"
+
 #include <ydb/core/engine/mkql_proto.h>
 #include <ydb/core/scheme/scheme_tabledefs.h>
 #include <ydb/core/base/kikimr_issue.h>
@@ -782,7 +782,7 @@ TVector<TString> ConvertACLMaskToYdbPermissionNames(ui32 mask) {
 void ConvertDirectoryEntry(const NKikimrSchemeOp::TDirEntry& from, Ydb::Scheme::Entry* to, bool processAcl) {
     to->set_name(from.GetName());
     to->set_owner(from.GetOwner());
- 
+
     switch (from.GetPathType()) {
     case NKikimrSchemeOp::EPathTypeExtSubDomain:
         to->set_type(static_cast<Ydb::Scheme::Entry::Type>(NKikimrSchemeOp::EPathTypeSubDomain));
@@ -793,27 +793,27 @@ void ConvertDirectoryEntry(const NKikimrSchemeOp::TDirEntry& from, Ydb::Scheme::
 
     if (processAcl) {
         const bool isDir = from.GetPathType() == NKikimrSchemeOp::EPathTypeDir;
-        ConvertAclToYdb(from.GetOwner(), from.GetEffectiveACL(), isDir, to->mutable_effective_permissions()); 
-        ConvertAclToYdb(from.GetOwner(), from.GetACL(), isDir, to->mutable_permissions()); 
-    } 
-} 
+        ConvertAclToYdb(from.GetOwner(), from.GetEffectiveACL(), isDir, to->mutable_effective_permissions());
+        ConvertAclToYdb(from.GetOwner(), from.GetACL(), isDir, to->mutable_permissions());
+    }
+}
 
 void ConvertDirectoryEntry(const NKikimrSchemeOp::TPathDescription& from, Ydb::Scheme::Entry* to, bool processAcl) {
-    ConvertDirectoryEntry(from.GetSelf(), to, processAcl); 
- 
-    switch (from.GetSelf().GetPathType()) { 
+    ConvertDirectoryEntry(from.GetSelf(), to, processAcl);
+
+    switch (from.GetSelf().GetPathType()) {
     case NKikimrSchemeOp::EPathTypeTable:
-        to->set_size_bytes(from.GetTableStats().GetDataSize() + from.GetTableStats().GetIndexSize()); 
-        for (const auto& index : from.GetTable().GetTableIndexes()) { 
-            to->set_size_bytes(to->size_bytes() + index.GetDataSize()); 
-        } 
-        break; 
+        to->set_size_bytes(from.GetTableStats().GetDataSize() + from.GetTableStats().GetIndexSize());
+        for (const auto& index : from.GetTable().GetTableIndexes()) {
+            to->set_size_bytes(to->size_bytes() + index.GetDataSize());
+        }
+        break;
     case NKikimrSchemeOp::EPathTypeSubDomain:
     case NKikimrSchemeOp::EPathTypeExtSubDomain:
-        to->set_size_bytes(from.GetDomainDescription().GetDiskSpaceUsage().GetTables().GetTotalSize()); 
-        break; 
-    default: 
-        break; 
+        to->set_size_bytes(from.GetDomainDescription().GetDiskSpaceUsage().GetTables().GetTotalSize());
+        break;
+    default:
+        break;
     }
 }
 
diff --git a/ydb/core/ydb_convert/ydb_convert.h b/ydb/core/ydb_convert/ydb_convert.h
index c17de5814b..2cf74135af 100644
--- a/ydb/core/ydb_convert/ydb_convert.h
+++ b/ydb/core/ydb_convert/ydb_convert.h
@@ -39,5 +39,5 @@ TVector<TString> ConvertACLMaskToYdbPermissionNames(ui32);
 
 void ConvertDirectoryEntry(const NKikimrSchemeOp::TDirEntry& from, Ydb::Scheme::Entry* to, bool processAcl);
 void ConvertDirectoryEntry(const NKikimrSchemeOp::TPathDescription& from, Ydb::Scheme::Entry* to, bool processAcl);
- 
+
 } // namespace NKikimr
diff --git a/ydb/core/ymq/actor/action.h b/ydb/core/ymq/actor/action.h
index 2dc7da0964..1801c98d68 100644
--- a/ydb/core/ymq/actor/action.h
+++ b/ydb/core/ymq/actor/action.h
@@ -582,7 +582,7 @@ private:
 
         if (navigate->ErrorCount > 0) {
             const NSchemeCache::TSchemeCacheNavigate::EStatus status = navigate->ResultSet.front().Status;
-            RLOG_SQS_ERROR("Failed to read ACL for " << GetActionACLSourcePath() << ". Scheme cache error: " << status); 
+            RLOG_SQS_ERROR("Failed to read ACL for " << GetActionACLSourcePath() << ". Scheme cache error: " << status);
 
             if (status == NSchemeCache::TSchemeCacheNavigate::EStatus::PathErrorUnknown) {
                 MakeError(MutableErrorDesc(), NErrors::ACCESS_DENIED);
diff --git a/ydb/core/ymq/actor/create_queue.cpp b/ydb/core/ymq/actor/create_queue.cpp
index 3b208a4085..2d4b3af214 100644
--- a/ydb/core/ymq/actor/create_queue.cpp
+++ b/ydb/core/ymq/actor/create_queue.cpp
@@ -41,12 +41,12 @@ private:
     bool DoValidate() override {
         auto* result = Response_.MutableCreateQueue();
 
-        if (!IsCloud() && !UserExists_) { 
-            MakeError(result, NErrors::OPT_IN_REQUIRED, "The specified account does not exist."); 
-            return false; 
-        } 
- 
-        TAttribute fifo; 
+        if (!IsCloud() && !UserExists_) {
+            MakeError(result, NErrors::OPT_IN_REQUIRED, "The specified account does not exist.");
+            return false;
+        }
+
+        TAttribute fifo;
         for (const auto& attr : Request().attributes()) {
             if (attr.GetName() == "FifoQueue") {
                 fifo = attr;
diff --git a/ydb/core/ymq/actor/migration.cpp b/ydb/core/ymq/actor/migration.cpp
index b5a95590dc..e547e97558 100644
--- a/ydb/core/ymq/actor/migration.cpp
+++ b/ydb/core/ymq/actor/migration.cpp
@@ -128,7 +128,7 @@ void TAddColumnActor::HandleTableInfo(TEvTxProxySchemeCache::TEvNavigateKeySetRe
     if (navigate->ErrorCount > 0) {
         LOG_SQS_ERROR("Queue " << TLogQueueName(UserName, QueueName)
                                << " migration. Failed to get table \"" << TablePath << "\" info: "
-                               << entry.Status); 
+                               << entry.Status);
         SendReplyAndDie(false);
     } else {
         LOG_SQS_DEBUG("Queue " << TLogQueueName(UserName, QueueName)
diff --git a/ydb/core/ymq/actor/service.cpp b/ydb/core/ymq/actor/service.cpp
index e5dceeebf6..34c9a4ae46 100644
--- a/ydb/core/ymq/actor/service.cpp
+++ b/ydb/core/ymq/actor/service.cpp
@@ -365,10 +365,10 @@ STATEFN(TSqsService::StateFunc) {
 }
 
 void TSqsService::InitSchemeCache() {
-    LOG_SQS_DEBUG("Enable scheme board scheme cache"); 
-    auto cacheCounters = GetServiceCounters(AppData()->Counters, "sqs")->GetSubgroup("subsystem", "schemecache"); 
-    auto cacheConfig = MakeIntrusive<NSchemeCache::TSchemeCacheConfig>(AppData(), cacheCounters); 
-    SchemeCache_ = Register(CreateSchemeBoardSchemeCache(cacheConfig.Get())); 
+    LOG_SQS_DEBUG("Enable scheme board scheme cache");
+    auto cacheCounters = GetServiceCounters(AppData()->Counters, "sqs")->GetSubgroup("subsystem", "schemecache");
+    auto cacheConfig = MakeIntrusive<NSchemeCache::TSchemeCacheConfig>(AppData(), cacheCounters);
+    SchemeCache_ = Register(CreateSchemeBoardSchemeCache(cacheConfig.Get()));
 }
 
 void TSqsService::ScheduleRequestSqsUsersList() {
diff --git a/ydb/library/backup/backup.cpp b/ydb/library/backup/backup.cpp
index 95cfb0e0e7..676cc831ee 100644
--- a/ydb/library/backup/backup.cpp
+++ b/ydb/library/backup/backup.cpp
@@ -32,7 +32,7 @@ namespace NYdb::NBackup {
 static constexpr const char *SCHEME_FILE_NAME = "scheme.pb";
 static constexpr const char *INCOMPLETE_DATA_FILE_NAME = "incomplete.csv";
 static constexpr const char *INCOMPLETE_FILE_NAME = "incomplete";
-static constexpr const char *EMPTY_FILE_NAME = "empty_dir"; 
+static constexpr const char *EMPTY_FILE_NAME = "empty_dir";
 
 static constexpr size_t IO_BUFFER_SIZE = 2 << 20; // 2 MiB
 static constexpr i64 FILE_SPLIT_THRESHOLD = 128 << 20; // 128 MiB
@@ -121,7 +121,7 @@ void PrintPrimitive(IOutputStream& out, const TValueParser& parser) {
         CASE_PRINT_PRIMITIVE_TYPE(out, Uint64);
         CASE_PRINT_PRIMITIVE_TYPE(out, Float);
         CASE_PRINT_PRIMITIVE_TYPE(out, Double);
-        CASE_PRINT_PRIMITIVE_TYPE(out, DyNumber); 
+        CASE_PRINT_PRIMITIVE_TYPE(out, DyNumber);
         CASE_PRINT_PRIMITIVE_TYPE(out, Date);
         CASE_PRINT_PRIMITIVE_TYPE(out, Datetime);
         CASE_PRINT_PRIMITIVE_TYPE(out, Timestamp);
@@ -133,7 +133,7 @@ void PrintPrimitive(IOutputStream& out, const TValueParser& parser) {
         CASE_PRINT_PRIMITIVE_STRING_TYPE(out, Utf8);
         CASE_PRINT_PRIMITIVE_STRING_TYPE(out, Yson);
         CASE_PRINT_PRIMITIVE_STRING_TYPE(out, Json);
-        CASE_PRINT_PRIMITIVE_STRING_TYPE(out, JsonDocument); 
+        CASE_PRINT_PRIMITIVE_STRING_TYPE(out, JsonDocument);
         default:
             Y_FAIL("Unsupported type");
     }
@@ -360,8 +360,8 @@ NTable::TTableDescription DescribeTable(TDriver driver, const TString& fullTable
     NTable::TTableClient client(driver);
 
     TStatus status = client.RetryOperationSync([fullTablePath, &desc](NTable::TSession session) {
-        auto settings = NTable::TDescribeTableSettings().WithKeyShardBoundary(true); 
-        auto result = session.DescribeTable(fullTablePath, settings).GetValueSync(); 
+        auto settings = NTable::TDescribeTableSettings().WithKeyShardBoundary(true);
+        auto result = session.DescribeTable(fullTablePath, settings).GetValueSync();
 
         VerifyStatus(result);
         desc = result.GetTableDescription();
@@ -376,44 +376,44 @@ NTable::TTableDescription DescribeTable(TDriver driver, const TString& fullTable
     return *desc;
 }
 
-Ydb::Table::CreateTableRequest ProtoFromTableDescription(const NTable::TTableDescription& desc, bool preservePoolKinds) { 
+Ydb::Table::CreateTableRequest ProtoFromTableDescription(const NTable::TTableDescription& desc, bool preservePoolKinds) {
     Ydb::Table::CreateTableRequest proto;
-    desc.SerializeTo(proto); 
-
-    if (preservePoolKinds) { 
-        return proto; 
-    } 
- 
-    if (proto.has_profile()) { 
-        auto& profile = *proto.mutable_profile(); 
- 
-        if (profile.has_storage_policy()) { 
-            auto& policy = *profile.mutable_storage_policy(); 
- 
-            policy.clear_syslog(); 
-            policy.clear_log(); 
-            policy.clear_data(); 
-            policy.clear_external(); 
- 
-            for (auto& family : *policy.mutable_column_families()) { 
-                family.clear_data(); 
-                family.clear_external(); 
-            } 
-        } 
-    } 
- 
-    if (proto.has_storage_settings()) { 
-        auto& settings = *proto.mutable_storage_settings(); 
- 
-        settings.clear_tablet_commit_log0(); 
-        settings.clear_tablet_commit_log1(); 
-        settings.clear_external(); 
-    } 
- 
-    for (auto& family : *proto.mutable_column_families()) { 
-        family.clear_data(); 
-    } 
- 
+    desc.SerializeTo(proto);
+
+    if (preservePoolKinds) {
+        return proto;
+    }
+
+    if (proto.has_profile()) {
+        auto& profile = *proto.mutable_profile();
+
+        if (profile.has_storage_policy()) {
+            auto& policy = *profile.mutable_storage_policy();
+
+            policy.clear_syslog();
+            policy.clear_log();
+            policy.clear_data();
+            policy.clear_external();
+
+            for (auto& family : *policy.mutable_column_families()) {
+                family.clear_data();
+                family.clear_external();
+            }
+        }
+    }
+
+    if (proto.has_storage_settings()) {
+        auto& settings = *proto.mutable_storage_settings();
+
+        settings.clear_tablet_commit_log0();
+        settings.clear_tablet_commit_log1();
+        settings.clear_external();
+    }
+
+    for (auto& family : *proto.mutable_column_families()) {
+        family.clear_data();
+    }
+
     return proto;
 }
 
@@ -469,7 +469,7 @@ void DropTable(TDriver driver, const TString& path) {
 }
 
 void BackupTable(TDriver driver, const TString& dbPrefix, const TString& backupPrefix, const TString& path,
-        const TFsPath& folderPath, bool schemaOnly, bool preservePoolKinds) { 
+        const TFsPath& folderPath, bool schemaOnly, bool preservePoolKinds) {
     Y_ENSURE(!path.empty());
     Y_ENSURE(path.back() != '/', path.Quote() << " path contains / in the end");
 
@@ -477,7 +477,7 @@ void BackupTable(TDriver driver, const TString& dbPrefix, const TString& backupP
         << " backupPrefix: " << backupPrefix << " path: " << path);
 
     auto desc = DescribeTable(driver, JoinDatabasePath(schemaOnly ? dbPrefix : backupPrefix, path));
-    auto proto = ProtoFromTableDescription(desc, preservePoolKinds); 
+    auto proto = ProtoFromTableDescription(desc, preservePoolKinds);
 
     TString schemaStr;
     google::protobuf::TextFormat::PrintToString(proto, &schemaStr);
@@ -513,19 +513,19 @@ void RemoveClusterDirectoryRecursive(const TDriver& driver, const TString& path)
     LOG_DEBUG("Directory is removed recursively, path: " << path.Quote());
 }
 
-static bool IsExcluded(const TString& path, const TVector<TRegExMatch>& exclusionPatterns) { 
-    for (const auto& pattern : exclusionPatterns) { 
-        if (pattern.Match(path.c_str())) { 
-            return true; 
-        } 
-    } 
- 
-    return false; 
-} 
- 
+static bool IsExcluded(const TString& path, const TVector<TRegExMatch>& exclusionPatterns) {
+    for (const auto& pattern : exclusionPatterns) {
+        if (pattern.Match(path.c_str())) {
+            return true;
+        }
+    }
+
+    return false;
+}
+
 void BackupFolderImpl(TDriver driver, const TString& dbPrefix, const TString& backupPrefix, TString path,
-        const TFsPath folderPath, const TVector<TRegExMatch>& exclusionPatterns, 
-        bool schemaOnly, bool useConsistentCopyTable, bool avoidCopy, bool preservePoolKinds) { 
+        const TFsPath folderPath, const TVector<TRegExMatch>& exclusionPatterns,
+        bool schemaOnly, bool useConsistentCopyTable, bool avoidCopy, bool preservePoolKinds) {
     LOG_DEBUG("Going to backup folder/table, dbPrefix: " << dbPrefix << " path: " << path);
     TFile(folderPath.Child(INCOMPLETE_FILE_NAME), CreateAlways);
 
@@ -535,12 +535,12 @@ void BackupFolderImpl(TDriver driver, const TString& dbPrefix, const TString& ba
     {
         TDbIterator<ETraverseType::Preordering> dbIt(driver, dbPrefix);
         while (dbIt) {
-            if (IsExcluded(dbIt.GetFullPath(), exclusionPatterns)) { 
-                LOG_DEBUG("skip path# " << dbIt.GetFullPath()); 
-                dbIt.Next(); 
-                continue; 
-            } 
- 
+            if (IsExcluded(dbIt.GetFullPath(), exclusionPatterns)) {
+                LOG_DEBUG("skip path# " << dbIt.GetFullPath());
+                dbIt.Next();
+                continue;
+            }
+
             TFsPath childFolderPath = folderPath.Child(dbIt.GetRelPath());
             LOG_DEBUG("path to backup# " << childFolderPath.GetPath());
             childFolderPath.MkDir();
@@ -548,10 +548,10 @@ void BackupFolderImpl(TDriver driver, const TString& dbPrefix, const TString& ba
             if (schemaOnly) {
                 if (dbIt.IsTable()) {
                     BackupTable(driver, dbIt.GetTraverseRoot(), backupPrefix, dbIt.GetRelPath(),
-                            childFolderPath, schemaOnly, preservePoolKinds); 
+                            childFolderPath, schemaOnly, preservePoolKinds);
                     childFolderPath.Child(INCOMPLETE_FILE_NAME).DeleteIfExists();
                 }
-            } else if (!avoidCopy) { 
+            } else if (!avoidCopy) {
                 if (dbIt.IsTable()) {
                     const TString tmpTablePath = JoinDatabasePath(backupPrefix, dbIt.GetRelPath());
                     if (useConsistentCopyTable) {
@@ -560,7 +560,7 @@ void BackupFolderImpl(TDriver driver, const TString& dbPrefix, const TString& ba
                         auto status = CopyTableAsyncStart(driver, dbIt.GetFullPath(), tmpTablePath);
                         copiedTablesStatuses.emplace(dbIt.GetFullPath(), std::move(status));
                     }
-                } else if (dbIt.IsDir()) { 
+                } else if (dbIt.IsDir()) {
                     CreateClusterDirectory(driver, JoinDatabasePath(backupPrefix, dbIt.GetRelPath()));
                 }
             }
@@ -571,75 +571,75 @@ void BackupFolderImpl(TDriver driver, const TString& dbPrefix, const TString& ba
     if (schemaOnly) {
         TDbIterator<ETraverseType::Postordering> dbIt(driver, dbPrefix);
         while (dbIt) {
-            if (IsExcluded(dbIt.GetFullPath(), exclusionPatterns)) { 
-                dbIt.Next(); 
-                continue; 
-            } 
- 
+            if (IsExcluded(dbIt.GetFullPath(), exclusionPatterns)) {
+                dbIt.Next();
+                continue;
+            }
+
             TFsPath childFolderPath = folderPath.Child(dbIt.GetRelPath());
             if (dbIt.IsTable()) {
                 // If table backup was not successful exception should be thrown,
                 // so control flow can't reach this line. Check it just to be sure
                 Y_ENSURE(!childFolderPath.Child(INCOMPLETE_FILE_NAME).Exists());
-            } else if (dbIt.IsDir()) { 
+            } else if (dbIt.IsDir()) {
                 childFolderPath.Child(INCOMPLETE_FILE_NAME).DeleteIfExists();
- 
-                TVector<TString> children; 
-                childFolderPath.ListNames(children); 
-                if (children.empty()) { 
-                    TFile(childFolderPath.Child(EMPTY_FILE_NAME), CreateAlways); 
-                } 
+
+                TVector<TString> children;
+                childFolderPath.ListNames(children);
+                if (children.empty()) {
+                    TFile(childFolderPath.Child(EMPTY_FILE_NAME), CreateAlways);
+                }
             }
- 
-            childFolderPath.Child(INCOMPLETE_FILE_NAME).DeleteIfExists(); 
+
+            childFolderPath.Child(INCOMPLETE_FILE_NAME).DeleteIfExists();
             dbIt.Next();
         }
         folderPath.Child(INCOMPLETE_FILE_NAME).DeleteIfExists();
         return;
     }
 
-    if (useConsistentCopyTable && !avoidCopy && tablesToCopy) { 
+    if (useConsistentCopyTable && !avoidCopy && tablesToCopy) {
         CopyTables(driver, tablesToCopy);
     }
     // Read all tables from temporal folder and delete them
     {
         TDbIterator<ETraverseType::Postordering> dbIt(driver, dbPrefix);
         while (dbIt) {
-            if (IsExcluded(dbIt.GetFullPath(), exclusionPatterns)) { 
-                dbIt.Next(); 
-                continue; 
-            } 
- 
+            if (IsExcluded(dbIt.GetFullPath(), exclusionPatterns)) {
+                dbIt.Next();
+                continue;
+            }
+
             TFsPath childFolderPath = folderPath.Child(dbIt.GetRelPath());
             const TString tmpTablePath = JoinDatabasePath(backupPrefix, dbIt.GetRelPath());
- 
+
             if (dbIt.IsTable()) {
-                if (!useConsistentCopyTable && !avoidCopy) { 
+                if (!useConsistentCopyTable && !avoidCopy) {
                     // CopyTableAsyncFinish(const TAsyncStatus& status, const TString& src, const TString& dst);
                     Y_ENSURE(copiedTablesStatuses.contains(dbIt.GetFullPath()),
                             "Table was not copied but going to be backuped, path# " << dbIt.GetFullPath().Quote());
                     CopyTableAsyncFinish(copiedTablesStatuses[dbIt.GetFullPath()], dbIt.GetFullPath(), tmpTablePath);
                     copiedTablesStatuses.erase(dbIt.GetFullPath());
                 }
-                BackupTable(driver, dbIt.GetTraverseRoot(), avoidCopy ? dbIt.GetTraverseRoot() : backupPrefix, dbIt.GetRelPath(), 
-                        childFolderPath, schemaOnly, preservePoolKinds); 
-                if (!avoidCopy) { 
-                    DropTable(driver, tmpTablePath); 
-                } 
-            } else if (dbIt.IsDir()) { 
-                childFolderPath.Child(INCOMPLETE_FILE_NAME).DeleteIfExists(); 
- 
-                TVector<TString> children; 
-                childFolderPath.ListNames(children); 
-                if (children.empty()) { 
-                    TFile(childFolderPath.Child(EMPTY_FILE_NAME), CreateAlways); 
-                } 
- 
-                if (!avoidCopy) { 
-                    RemoveClusterDirectory(driver, tmpTablePath); 
-                } 
+                BackupTable(driver, dbIt.GetTraverseRoot(), avoidCopy ? dbIt.GetTraverseRoot() : backupPrefix, dbIt.GetRelPath(),
+                        childFolderPath, schemaOnly, preservePoolKinds);
+                if (!avoidCopy) {
+                    DropTable(driver, tmpTablePath);
+                }
+            } else if (dbIt.IsDir()) {
+                childFolderPath.Child(INCOMPLETE_FILE_NAME).DeleteIfExists();
+
+                TVector<TString> children;
+                childFolderPath.ListNames(children);
+                if (children.empty()) {
+                    TFile(childFolderPath.Child(EMPTY_FILE_NAME), CreateAlways);
+                }
+
+                if (!avoidCopy) {
+                    RemoveClusterDirectory(driver, tmpTablePath);
+                }
             }
- 
+
             childFolderPath.Child(INCOMPLETE_FILE_NAME).DeleteIfExists();
             dbIt.Next();
         }
@@ -665,8 +665,8 @@ void CheckedCreateBackupFolder(const TFsPath& folderPath) {
 // relDbPath - relative path to directory/table to be backuped
 // folderPath - relative path to folder in local filesystem where backup will be stored
 void BackupFolder(TDriver driver, const TString& database, const TString& relDbPath, TFsPath folderPath,
-        const TVector<TRegExMatch>& exclusionPatterns, 
-        bool schemaOnly, bool useConsistentCopyTable, bool avoidCopy, bool savePartialResult, bool preservePoolKinds) { 
+        const TVector<TRegExMatch>& exclusionPatterns,
+        bool schemaOnly, bool useConsistentCopyTable, bool avoidCopy, bool savePartialResult, bool preservePoolKinds) {
     TString temporalBackupPostfix = CreateTemporalBackupName();
     if (!folderPath) {
         folderPath = temporalBackupPostfix;
@@ -684,8 +684,8 @@ void BackupFolder(TDriver driver, const TString& database, const TString& relDbP
 
         TString dbPrefix = JoinDatabasePath(database, relDbPath);
         TString path;
-        BackupFolderImpl(driver, dbPrefix, tmpDbFolder, path, folderPath, exclusionPatterns, 
-            schemaOnly, useConsistentCopyTable, avoidCopy, preservePoolKinds); 
+        BackupFolderImpl(driver, dbPrefix, tmpDbFolder, path, folderPath, exclusionPatterns,
+            schemaOnly, useConsistentCopyTable, avoidCopy, preservePoolKinds);
     } catch (...) {
         if (!schemaOnly && !avoidCopy) {
             RemoveClusterDirectoryRecursive(driver, tmpDbFolder);
@@ -697,7 +697,7 @@ void BackupFolder(TDriver driver, const TString& database, const TString& relDbP
         }
         throw;
     }
-    if (!schemaOnly && !avoidCopy) { 
+    if (!schemaOnly && !avoidCopy) {
         RemoveClusterDirectoryRecursive(driver, tmpDbFolder);
     }
 }
@@ -818,8 +818,8 @@ void UploadDataIntoTable(TDriver driver, const NTable::TTableDescription& tableD
 
         TQueryFromFileIterator it(relPath, dataFileName, tableDesc.GetColumns(), IO_BUFFER_SIZE, params.MaxRowsPerQuery,
                 params.MaxBytesPerQuery);
-        NTable::TTableClient client(driver); 
-        TUploader uploader(opts, client, it.GetQueryString()); 
+        NTable::TTableClient client(driver);
+        TUploader uploader(opts, client, it.GetQueryString());
         if (!params.UseBulkUpsert) {
             LOG_DEBUG("Query string:\n" << it.GetQueryString());
         }
diff --git a/ydb/library/backup/backup.h b/ydb/library/backup/backup.h
index 027ab82899..269f96d9b9 100644
--- a/ydb/library/backup/backup.h
+++ b/ydb/library/backup/backup.h
@@ -4,8 +4,8 @@
 #include <ydb/public/sdk/cpp/client/ydb_table/table.h>
 #include <ydb/public/sdk/cpp/client/ydb_value/value.h>
 
-#include <library/cpp/regex/pcre/regexp.h> 
- 
+#include <library/cpp/regex/pcre/regexp.h>
+
 #include <util/folder/path.h>
 #include <util/generic/singleton.h>
 #include <util/stream/output.h>
@@ -33,9 +33,9 @@ public:
 };
 
 void BackupFolder(TDriver driver, const TString& database, const TString& relDbPath, TFsPath folderPath,
-        const TVector<TRegExMatch>& exclusionPatterns, 
-        bool schemaOnly, bool useConsistentCopyTable, bool avoidCopy = false, bool savePartialResult = false, 
-        bool preservePoolKinds = false); 
+        const TVector<TRegExMatch>& exclusionPatterns,
+        bool schemaOnly, bool useConsistentCopyTable, bool avoidCopy = false, bool savePartialResult = false,
+        bool preservePoolKinds = false);
 
 struct TRestoreFolderParams {
     bool OnlyCheck = false;
diff --git a/ydb/library/backup/db_iterator.h b/ydb/library/backup/db_iterator.h
index 0b4f8a3dd0..3abc8ecb99 100644
--- a/ydb/library/backup/db_iterator.h
+++ b/ydb/library/backup/db_iterator.h
@@ -67,7 +67,7 @@ public:
                 break;
             }
             case ETraverseType::Postordering: {
-                while (NextNodes && IsDir() && !IsListed()) { 
+                while (NextNodes && IsDir() && !IsListed()) {
                     const TString& fullPath = GetFullPath();
                     NScheme::TListDirectoryResult childList = Client.ListDirectory(fullPath).GetValueSync();
                     Y_ENSURE(childList.IsSuccess(), "Can't list directory, maybe it doesn't exist, dbPath# "
diff --git a/ydb/library/backup/query_builder.cpp b/ydb/library/backup/query_builder.cpp
index 8cf67d1efc..dd931c82bb 100644
--- a/ydb/library/backup/query_builder.cpp
+++ b/ydb/library/backup/query_builder.cpp
@@ -180,12 +180,12 @@ void TQueryBuilder::AddPrimitiveMember(EPrimitiveType type, TStringBuf buf) {
         break;
 
     case EPrimitiveType::DyNumber:
-        if (buf == "null") { 
-            Value.OptionalDyNumber(Nothing()); 
-        } else { 
-            Y_ENSURE(NKikimr::NDyNumber::IsValidDyNumberString(buf)); 
-            Value.OptionalDyNumber(TString(buf)); 
-        } 
+        if (buf == "null") {
+            Value.OptionalDyNumber(Nothing());
+        } else {
+            Y_ENSURE(NKikimr::NDyNumber::IsValidDyNumberString(buf));
+            Value.OptionalDyNumber(TString(buf));
+        }
         break;
 
     case EPrimitiveType::Uuid:
diff --git a/ydb/library/backup/query_uploader.cpp b/ydb/library/backup/query_uploader.cpp
index ad83927b6c..c9689c3b2e 100644
--- a/ydb/library/backup/query_uploader.cpp
+++ b/ydb/library/backup/query_uploader.cpp
@@ -5,8 +5,8 @@
 
 namespace NYdb::NBackup {
 
-static const char DOC_API_REQUEST_TYPE[] = "_document_api_request"; 
- 
+static const char DOC_API_REQUEST_TYPE[] = "_document_api_request";
+
 ////////////////////////////////////////////////////////////////////////////////
 // TUploader
 ////////////////////////////////////////////////////////////////////////////////
@@ -15,12 +15,12 @@ ui32 TUploader::TOptions::GetRps() const {
     return Rate * TDuration::Seconds(1).MilliSeconds() / Interval.MilliSeconds();
 }
 
-TUploader::TUploader(const TUploader::TOptions &opts, NYdb::NTable::TTableClient& client, const TString &query) 
+TUploader::TUploader(const TUploader::TOptions &opts, NYdb::NTable::TTableClient& client, const TString &query)
     : Opts(opts)
     , Query(query)
     , ShouldStop(0)
     , RequestLimiter(opts.GetRps(), opts.GetRps())
-    , Client(client) 
+    , Client(client)
 {
     TasksQueue = MakeSimpleShared<TThreadPool>(TThreadPool::TParams().SetBlocking(true).SetCatching(true));
     TasksQueue->Start(opts.InFly, opts.InFly + 1);
@@ -49,7 +49,7 @@ bool TUploader::Push(const TString& path, TValue&& value) {
             
             auto upsert = [&] (NYdb::NTable::TSession) -> TStatus {
                 auto settings = NTable::TBulkUpsertSettings()
-                    .RequestType(DOC_API_REQUEST_TYPE) 
+                    .RequestType(DOC_API_REQUEST_TYPE)
                     .OperationTimeout(TDuration::Seconds(30))
                     .ClientTimeout(TDuration::Seconds(35));
 
@@ -102,20 +102,20 @@ bool TUploader::Push(TParams params) {
     }
 
     auto upload = [this, params] (NYdb::NTable::TSession session) -> NYdb::TStatus {
-        auto prepareSettings = NTable::TPrepareDataQuerySettings() 
-            .RequestType(DOC_API_REQUEST_TYPE); 
-        auto prepareResult = session.PrepareDataQuery(Query, prepareSettings).GetValueSync(); 
+        auto prepareSettings = NTable::TPrepareDataQuerySettings()
+            .RequestType(DOC_API_REQUEST_TYPE);
+        auto prepareResult = session.PrepareDataQuery(Query, prepareSettings).GetValueSync();
         if (!prepareResult.IsSuccess()) {
             return prepareResult;
         }
 
         auto dataQuery = prepareResult.GetQuery();
         auto transaction = NYdb::NTable::TTxControl::BeginTx(NYdb::NTable::TTxSettings::SerializableRW()).CommitTx();
-        auto settings = NTable::TExecDataQuerySettings() 
-            .RequestType(DOC_API_REQUEST_TYPE) 
-            .OperationTimeout(TDuration::Seconds(30)) 
-            .ClientTimeout(TDuration::Seconds(35)); 
-        return dataQuery.Execute(transaction, std::move(params), settings).GetValueSync(); 
+        auto settings = NTable::TExecDataQuerySettings()
+            .RequestType(DOC_API_REQUEST_TYPE)
+            .OperationTimeout(TDuration::Seconds(30))
+            .ClientTimeout(TDuration::Seconds(35));
+        return dataQuery.Execute(transaction, std::move(params), settings).GetValueSync();
     };
 
     auto task = [this, upload] () {
diff --git a/ydb/library/backup/query_uploader.h b/ydb/library/backup/query_uploader.h
index 4661dec053..b72a31cea2 100644
--- a/ydb/library/backup/query_uploader.h
+++ b/ydb/library/backup/query_uploader.h
@@ -34,10 +34,10 @@ private:
 
     using TRpsLimiter = TBucketQuoter<ui64>;
     TRpsLimiter RequestLimiter;
-    NYdb::NTable::TTableClient& Client; 
+    NYdb::NTable::TTableClient& Client;
 
 public:
-    TUploader(const TOptions& opts, NYdb::NTable::TTableClient& client, const TString& query); 
+    TUploader(const TOptions& opts, NYdb::NTable::TTableClient& client, const TString& query);
 
     bool Push(TParams params);
     bool Push(const TString& path, TValue&& value);
diff --git a/ydb/library/backup/ut/ut.cpp b/ydb/library/backup/ut/ut.cpp
index 23f5b76a0d..5967e9dfa3 100644
--- a/ydb/library/backup/ut/ut.cpp
+++ b/ydb/library/backup/ut/ut.cpp
@@ -485,66 +485,66 @@ Y_UNIT_TEST(ResultSetDecimalPrintTest) {
     TestResultSetParsedOk(resultSetStr, expect);
 }
 
-Y_UNIT_TEST(ResultSetDyNumberPrintTest) { 
-    TString resultSetStr = R"_( 
-        columns:{ 
-            name: "Col1" 
-            type: { type_id: DYNUMBER } 
-        } 
-        rows:{ items:{ text_value: "0" } } 
-        rows:{ items:{ text_value: ".0" } } 
-        rows:{ items:{ text_value: "0.93" } } 
-        rows:{ items:{ text_value: "1" } } 
-        rows:{ items:{ text_value: "-1" } } 
-        rows:{ items:{ text_value: "724.1" } } 
-        rows:{ items:{ text_value: "1E-130" } } 
-        rows:{ items:{ text_value: "9.9999999999999999999999999999999999999E+125" } } 
-        rows:{ items:{ text_value: "-1E-130" } } 
-        rows:{ items:{ text_value: "-9.9999999999999999999999999999999999999E+125" } } 
-        truncated: false 
-    )_"; 
- 
-    const TString expect = TStringBuilder() 
-        << "0" << Endl 
-        << ".0" << Endl 
-        << "0.93" << Endl 
-        << "1" << Endl 
-        << "-1" << Endl 
-        << "724.1" << Endl 
-        << "1E-130" << Endl 
-        << "9.9999999999999999999999999999999999999E+125" << Endl 
-        << "-1E-130" << Endl 
-        << "-9.9999999999999999999999999999999999999E+125" << Endl; 
-    TestResultSetParsedOk(resultSetStr, expect); 
+Y_UNIT_TEST(ResultSetDyNumberPrintTest) {
+    TString resultSetStr = R"_(
+        columns:{
+            name: "Col1"
+            type: { type_id: DYNUMBER }
+        }
+        rows:{ items:{ text_value: "0" } }
+        rows:{ items:{ text_value: ".0" } }
+        rows:{ items:{ text_value: "0.93" } }
+        rows:{ items:{ text_value: "1" } }
+        rows:{ items:{ text_value: "-1" } }
+        rows:{ items:{ text_value: "724.1" } }
+        rows:{ items:{ text_value: "1E-130" } }
+        rows:{ items:{ text_value: "9.9999999999999999999999999999999999999E+125" } }
+        rows:{ items:{ text_value: "-1E-130" } }
+        rows:{ items:{ text_value: "-9.9999999999999999999999999999999999999E+125" } }
+        truncated: false
+    )_";
+
+    const TString expect = TStringBuilder()
+        << "0" << Endl
+        << ".0" << Endl
+        << "0.93" << Endl
+        << "1" << Endl
+        << "-1" << Endl
+        << "724.1" << Endl
+        << "1E-130" << Endl
+        << "9.9999999999999999999999999999999999999E+125" << Endl
+        << "-1E-130" << Endl
+        << "-9.9999999999999999999999999999999999999E+125" << Endl;
+    TestResultSetParsedOk(resultSetStr, expect);
+}
+
+Y_UNIT_TEST(ResultSetJsonDocumentPrintTest) {
+    TString resultSetStr = R"_(
+        columns:{
+            name: "Col1"
+            type: { type_id: JSON_DOCUMENT }
+        }
+        rows:{ items:{ text_value: '{"key": "value"}' } }
+        rows:{ items:{ text_value: '{"key": 0}' } }
+        rows:{ items:{ text_value: '{"key": 0.12}' } }
+        rows:{ items:{ text_value: '{"key": -1}' } }
+        rows:{ items:{ text_value: '{"key": [1, 2]}' } }
+        rows:{ items:{ text_value: '{"key": {"1": "one", "2": 2}}' } }
+        truncated: false
+    )_";
+
+    const TString expect = TStringBuilder()
+        << "\"" << CGIEscapeRet(R"({"key": "value"})") << "\"" << Endl
+        << "\"" << CGIEscapeRet(R"({"key": 0})") << "\"" << Endl
+        << "\"" << CGIEscapeRet(R"({"key": 0.12})") << "\"" << Endl
+        << "\"" << CGIEscapeRet(R"({"key": -1})") << "\"" << Endl
+        << "\"" << CGIEscapeRet(R"({"key": [1, 2]})") << "\"" << Endl
+        << "\"" << CGIEscapeRet(R"({"key": {"1": "one", "2": 2}})") << "\"" << Endl;
+    TestResultSetParsedOk(resultSetStr, expect);
+}
+
 }
 
-Y_UNIT_TEST(ResultSetJsonDocumentPrintTest) { 
-    TString resultSetStr = R"_( 
-        columns:{ 
-            name: "Col1" 
-            type: { type_id: JSON_DOCUMENT } 
-        } 
-        rows:{ items:{ text_value: '{"key": "value"}' } } 
-        rows:{ items:{ text_value: '{"key": 0}' } } 
-        rows:{ items:{ text_value: '{"key": 0.12}' } } 
-        rows:{ items:{ text_value: '{"key": -1}' } } 
-        rows:{ items:{ text_value: '{"key": [1, 2]}' } } 
-        rows:{ items:{ text_value: '{"key": {"1": "one", "2": 2}}' } } 
-        truncated: false 
-    )_"; 
- 
-    const TString expect = TStringBuilder() 
-        << "\"" << CGIEscapeRet(R"({"key": "value"})") << "\"" << Endl 
-        << "\"" << CGIEscapeRet(R"({"key": 0})") << "\"" << Endl 
-        << "\"" << CGIEscapeRet(R"({"key": 0.12})") << "\"" << Endl 
-        << "\"" << CGIEscapeRet(R"({"key": -1})") << "\"" << Endl 
-        << "\"" << CGIEscapeRet(R"({"key": [1, 2]})") << "\"" << Endl 
-        << "\"" << CGIEscapeRet(R"({"key": {"1": "one", "2": 2}})") << "\"" << Endl; 
-    TestResultSetParsedOk(resultSetStr, expect); 
-} 
- 
-} 
- 
 Y_UNIT_TEST_SUITE(UtilTest) {
 
 Y_UNIT_TEST(SizeFromStringParsing) {
diff --git a/ydb/library/backup/util.cpp b/ydb/library/backup/util.cpp
index db9af2ed07..332d29ac8e 100644
--- a/ydb/library/backup/util.cpp
+++ b/ydb/library/backup/util.cpp
@@ -52,20 +52,20 @@ TMap<TStringBuf, ui64> SizeSuffix {
     {"G", Power<ui64>(1000, 3)},
     {"T", Power<ui64>(1000, 4)},
     {"Ki", Power<ui64>(1024, 1)},
-    {"KiB", Power<ui64>(1024, 1)}, 
+    {"KiB", Power<ui64>(1024, 1)},
     {"Mi", Power<ui64>(1024, 2)},
-    {"MiB", Power<ui64>(1024, 2)}, 
+    {"MiB", Power<ui64>(1024, 2)},
     {"Gi", Power<ui64>(1024, 3)},
-    {"GiB", Power<ui64>(1024, 3)}, 
+    {"GiB", Power<ui64>(1024, 3)},
     {"Ti", Power<ui64>(1024, 4)},
-    {"TiB", Power<ui64>(1024, 4)}, 
+    {"TiB", Power<ui64>(1024, 4)},
 };
 
 }
 
 ui64 SizeFromString(TStringBuf s) {
     size_t pos = s.Size();
-    while (pos > 0 && !isdigit(s[pos - 1])) { 
+    while (pos > 0 && !isdigit(s[pos - 1])) {
         --pos;
     }
 
diff --git a/ydb/library/backup/ya.make b/ydb/library/backup/ya.make
index ca85aa255e..9ea7b93961 100644
--- a/ydb/library/backup/ya.make
+++ b/ydb/library/backup/ya.make
@@ -7,7 +7,7 @@ OWNER(
 
 PEERDIR(
     library/cpp/bucket_quoter
-    library/cpp/regex/pcre 
+    library/cpp/regex/pcre
     library/cpp/string_utils/quote
     util
     ydb/library/dynumber
diff --git a/ydb/library/dynumber/cast.h b/ydb/library/dynumber/cast.h
index b3b6516296..2625ec446f 100644
--- a/ydb/library/dynumber/cast.h
+++ b/ydb/library/dynumber/cast.h
@@ -1,114 +1,114 @@
-#pragma once 
- 
-#include "dynumber.h" 
- 
-#include <util/generic/ymath.h> 
- 
-#include <limits> 
- 
-namespace NKikimr::NDyNumber { 
- 
-template <typename T> 
-TMaybe<T> TryFromDyNumber(TStringBuf buffer) { 
-    using traits = std::numeric_limits<T>; 
- 
-    if (!traits::is_specialized || !IsValidDyNumber(buffer)) { 
-        return Nothing(); 
-    } 
- 
-    auto result = T(); 
- 
-    auto s = buffer.data(); 
-    if (*s == '\x01') { 
-        return result; 
-    } 
- 
-    const bool negative = !*s++; 
-    if (negative && !traits::is_signed) { 
-        return Nothing(); 
-    } 
- 
-    auto power = ui8(*s++); 
-    if (negative) { 
-        power = '\xFF' - power; 
-    } 
- 
-    std::function<TMaybe<T>(T, i16)> pow = [&pow](T base, i16 exp) -> TMaybe<T> { 
-        if (exp > 0) { 
-            const auto p = Power(base, exp - 1); 
-            if (!p || p > traits::max()) { 
-                return Nothing(); 
-            } 
- 
-            return base * p; 
-        } else if (exp < 0) { 
-            if (const auto p = pow(base, abs(exp))) { 
-                return 1 / *p; 
-            } 
- 
-            return Nothing(); 
-        } else { 
-            return T(1); 
-        } 
-    }; 
- 
-    auto apply = [&negative, &result, &pow](ui8 digit, i16 exp) -> bool { 
-        if (traits::is_integer && (exp < 0 || exp > traits::digits10)) { 
-            return false; 
-        } 
- 
-        if (digit == '\x00') { 
-            return true; 
-        } 
- 
-        if (const auto p = pow(10, exp)) { 
-            const T mul = digit * *p; 
- 
-            if (!mul || mul < *p || mul > traits::max()) { 
-                return false; 
-            } 
- 
-            if (negative) { 
-                if (traits::lowest() - result > -mul) { 
-                    return false; 
-                } 
- 
-                result -= mul; 
-            } else { 
-                if (traits::max() - result < mul) { 
-                    return false; 
-                } 
- 
-                result += mul; 
-            } 
- 
-            return true; 
-        } 
- 
-        return false; 
-    }; 
- 
-    const auto digits = negative ? "FEDCBA9876543210" : "0123456789ABCDEF"; 
- 
-    auto e = power - 129; 
-    auto l = buffer.size() - 1; 
-    while (--l) { 
-        const auto c = *s++; 
-        const auto hi = (c >> '\x04') & '\x0F'; 
-        const auto lo = c & '\x0F'; 
- 
-        if (!apply(digits[hi] - '0', --e)) { 
-            return Nothing(); 
-        } 
- 
-        if (lo != (negative ? '\x0F' : '\x00') || l > 1U) { 
-            if (!apply(digits[lo] - '0', --e)) { 
-                return Nothing(); 
-            } 
-        } 
-    } 
- 
-    return result; 
-} 
- 
-} 
+#pragma once
+
+#include "dynumber.h"
+
+#include <util/generic/ymath.h>
+
+#include <limits>
+
+namespace NKikimr::NDyNumber {
+
+template <typename T>
+TMaybe<T> TryFromDyNumber(TStringBuf buffer) {
+    using traits = std::numeric_limits<T>;
+
+    if (!traits::is_specialized || !IsValidDyNumber(buffer)) {
+        return Nothing();
+    }
+
+    auto result = T();
+
+    auto s = buffer.data();
+    if (*s == '\x01') {
+        return result;
+    }
+
+    const bool negative = !*s++;
+    if (negative && !traits::is_signed) {
+        return Nothing();
+    }
+
+    auto power = ui8(*s++);
+    if (negative) {
+        power = '\xFF' - power;
+    }
+
+    std::function<TMaybe<T>(T, i16)> pow = [&pow](T base, i16 exp) -> TMaybe<T> {
+        if (exp > 0) {
+            const auto p = Power(base, exp - 1);
+            if (!p || p > traits::max()) {
+                return Nothing();
+            }
+
+            return base * p;
+        } else if (exp < 0) {
+            if (const auto p = pow(base, abs(exp))) {
+                return 1 / *p;
+            }
+
+            return Nothing();
+        } else {
+            return T(1);
+        }
+    };
+
+    auto apply = [&negative, &result, &pow](ui8 digit, i16 exp) -> bool {
+        if (traits::is_integer && (exp < 0 || exp > traits::digits10)) {
+            return false;
+        }
+
+        if (digit == '\x00') {
+            return true;
+        }
+
+        if (const auto p = pow(10, exp)) {
+            const T mul = digit * *p;
+
+            if (!mul || mul < *p || mul > traits::max()) {
+                return false;
+            }
+
+            if (negative) {
+                if (traits::lowest() - result > -mul) {
+                    return false;
+                }
+
+                result -= mul;
+            } else {
+                if (traits::max() - result < mul) {
+                    return false;
+                }
+
+                result += mul;
+            }
+
+            return true;
+        }
+
+        return false;
+    };
+
+    const auto digits = negative ? "FEDCBA9876543210" : "0123456789ABCDEF";
+
+    auto e = power - 129;
+    auto l = buffer.size() - 1;
+    while (--l) {
+        const auto c = *s++;
+        const auto hi = (c >> '\x04') & '\x0F';
+        const auto lo = c & '\x0F';
+
+        if (!apply(digits[hi] - '0', --e)) {
+            return Nothing();
+        }
+
+        if (lo != (negative ? '\x0F' : '\x00') || l > 1U) {
+            if (!apply(digits[lo] - '0', --e)) {
+                return Nothing();
+            }
+        }
+    }
+
+    return result;
+}
+
+}
diff --git a/ydb/library/dynumber/ut/dynumber_ut.cpp b/ydb/library/dynumber/ut/dynumber_ut.cpp
index 8e04d7b7dd..f46db222de 100644
--- a/ydb/library/dynumber/ut/dynumber_ut.cpp
+++ b/ydb/library/dynumber/ut/dynumber_ut.cpp
@@ -26,25 +26,25 @@ namespace {
 
         UNIT_ASSERT_EQUAL(*dyNumber, *dyNumberAfterString);
     }
- 
-    template <typename T> 
-    void TestCast(TStringBuf test, TMaybe<T> value) { 
-        UNIT_ASSERT_C(IsValidDyNumberString(test), test); 
-
-        const auto dyNumber = ParseDyNumberString(test); 
-        UNIT_ASSERT(dyNumber.Defined()); 
-        UNIT_ASSERT(IsValidDyNumber(*dyNumber)); 
- 
-        const auto casted = TryFromDyNumber<T>(*dyNumber); 
- 
-        if constexpr (std::is_integral<T>::value) { 
-            UNIT_ASSERT_VALUES_EQUAL(casted, value); 
-        } else if (casted && value) { 
-            UNIT_ASSERT_DOUBLES_EQUAL(*casted, *value, 1e-9); 
-        } else { 
-            UNIT_ASSERT_C(!casted && !value, "Casted: " << casted << ", value: " << value); 
-        } 
-    } 
+
+    template <typename T>
+    void TestCast(TStringBuf test, TMaybe<T> value) {
+        UNIT_ASSERT_C(IsValidDyNumberString(test), test);
+
+        const auto dyNumber = ParseDyNumberString(test);
+        UNIT_ASSERT(dyNumber.Defined());
+        UNIT_ASSERT(IsValidDyNumber(*dyNumber));
+
+        const auto casted = TryFromDyNumber<T>(*dyNumber);
+
+        if constexpr (std::is_integral<T>::value) {
+            UNIT_ASSERT_VALUES_EQUAL(casted, value);
+        } else if (casted && value) {
+            UNIT_ASSERT_DOUBLES_EQUAL(*casted, *value, 1e-9);
+        } else {
+            UNIT_ASSERT_C(!casted && !value, "Casted: " << casted << ", value: " << value);
+        }
+    }
 }
 
 Y_UNIT_TEST_SUITE(TDyNumberTests) {
@@ -69,111 +69,111 @@ Y_UNIT_TEST_SUITE(TDyNumberTests) {
         TestDyNumber("-9.9999999999999999999999999999999999999E+125");
         TestDyNumber("-9.9999999999999999999999999999999999999000E+125");
     }
- 
-    Y_UNIT_TEST(Cast) { 
-        TestCast<int>("0", 0); 
- 
-        TestCast<int>("1", 1); 
-        TestCast<int>("-1", -1); 
- 
-        TestCast<int>("12", 12); 
-        TestCast<int>("-12", -12); 
-        TestCast<int>("123", 123); 
-        TestCast<int>("-123", -123); 
-        TestCast<int>("1234", 1234); 
-        TestCast<int>("-1234", -1234); 
- 
-        TestCast<int>(ToString(Max<int>()), Max<int>()); 
-        TestCast<int>(ToString(Min<int>()), Min<int>()); 
- 
-        TestCast<i8> ("200", Nothing()); 
-        TestCast<i16>("40000", Nothing()); 
-        TestCast<i32>("3000000000", Nothing()); 
- 
-        TestCast<ui8> ("300", Nothing()); 
-        TestCast<ui16>("70000", Nothing()); 
-        TestCast<ui32>("5000000000", Nothing()); 
- 
-        // int to floating point 
-        TestCast<double>("1", 1); 
-        TestCast<double>("12", 12); 
-        TestCast<double>("123", 123); 
- 
-        // floating point to int 
-        TestCast<int>("0.1", Nothing()); 
-        TestCast<int>("0.23", Nothing()); 
-        TestCast<int>("1.2", Nothing()); 
-        TestCast<int>("1.23", Nothing()); 
-        TestCast<int>("12.3", Nothing()); 
-        TestCast<int>("123.4", Nothing()); 
- 
-        // double 
-        TestCast<double>("0.1", 0.1); 
-        TestCast<double>("0.23", 0.23); 
-        TestCast<double>("-1.23", -1.23); 
-        TestCast<double>("12.3", 12.3); 
-        TestCast<double>("123.4", 123.4); 
-        TestCast<double>("1.23E20", 1.23E20); 
-        TestCast<double>("1.23E-20", 1.23E-20); 
- 
-        // float 
-        TestCast<float>("-0.1", -0.1f); 
-        TestCast<float>("-0.23", -0.23f); 
-        TestCast<float>("1.23", 1.23f); 
-        TestCast<float>("-12.3", -12.3f); 
-        TestCast<float>("-123.4", -123.4f); 
-        TestCast<float>("-1.23E10", -1.23E10f); 
-        TestCast<float>("-1.23E-10", -1.23E-10f); 
- 
-        // unsigned Max 
-        TestCast<ui8> (ToString(Max<ui8>()),  Max<ui8>()); 
-        TestCast<ui16>(ToString(Max<ui16>()), Max<ui16>()); 
-        TestCast<ui32>(ToString(Max<ui32>()), Max<ui32>()); 
-        TestCast<ui64>(ToString(Max<ui64>()), Max<ui64>()); 
- 
-        // signed Max 
-        TestCast<i8> (ToString(Max<i8>()),  Max<i8>()); 
-        TestCast<i16>(ToString(Max<i16>()), Max<i16>()); 
-        TestCast<i32>(ToString(Max<i32>()), Max<i32>()); 
-        TestCast<i64>(ToString(Max<i64>()), Max<i64>()); 
- 
-        // signed Min 
-        TestCast<i8> (ToString(Min<i8>()),  Min<i8>()); 
-        TestCast<i16>(ToString(Min<i16>()), Min<i16>()); 
-        TestCast<i32>(ToString(Min<i32>()), Min<i32>()); 
-        TestCast<i64>(ToString(Min<i64>()), Min<i64>()); 
- 
-        // unsigned out of range 
-        TestCast<ui8> (ToString(static_cast<ui64>(Max<ui8>())  + 1), Nothing()); 
-        TestCast<ui16>(ToString(static_cast<ui64>(Max<ui16>()) + 1), Nothing()); 
-        TestCast<ui32>(ToString(static_cast<ui64>(Max<ui32>()) + 1), Nothing()); 
- 
-        // signed out of range (right) 
-        TestCast<i8> (ToString(static_cast<i64>(Max<i8>())  + 1), Nothing()); 
-        TestCast<i16>(ToString(static_cast<i64>(Max<i16>()) + 1), Nothing()); 
-        TestCast<i32>(ToString(static_cast<i64>(Max<i32>()) + 1), Nothing()); 
- 
-        // signed out of range (left) 
-        TestCast<i8> (ToString(static_cast<i64>(Min<i8>())  - 1), Nothing()); 
-        TestCast<i16>(ToString(static_cast<i64>(Min<i16>()) - 1), Nothing()); 
-        TestCast<i32>(ToString(static_cast<i64>(Min<i32>()) - 1), Nothing()); 
- 
-        // positive signed to unsigned 
-        TestCast<ui8> (ToString(Max<i8>()),  Max<i8>()); 
-        TestCast<ui16>(ToString(Max<i16>()), Max<i16>()); 
-        TestCast<ui32>(ToString(Max<i32>()), Max<i32>()); 
-        TestCast<ui64>(ToString(Max<i64>()), Max<i64>()); 
- 
-        // negative signed to unsigned 
-        TestCast<ui8> (ToString(Min<i8>()),  Nothing()); 
-        TestCast<ui16>(ToString(Min<i16>()), Nothing()); 
-        TestCast<ui32>(ToString(Min<i32>()), Nothing()); 
-        TestCast<ui64>(ToString(Min<i64>()), Nothing()); 
- 
-        // DyNumber limits 
-        TestCast<ui64>("9.9999999999999999999999999999999999999E+125", Nothing()); 
-        TestCast<ui64>("-9.9999999999999999999999999999999999999E+125", Nothing()); 
-        TestCast<double>("1E-130", 1E-130); 
-        TestCast<double>("-1E-130", -1E-130); 
-    } 
+
+    Y_UNIT_TEST(Cast) {
+        TestCast<int>("0", 0);
+
+        TestCast<int>("1", 1);
+        TestCast<int>("-1", -1);
+
+        TestCast<int>("12", 12);
+        TestCast<int>("-12", -12);
+        TestCast<int>("123", 123);
+        TestCast<int>("-123", -123);
+        TestCast<int>("1234", 1234);
+        TestCast<int>("-1234", -1234);
+
+        TestCast<int>(ToString(Max<int>()), Max<int>());
+        TestCast<int>(ToString(Min<int>()), Min<int>());
+
+        TestCast<i8> ("200", Nothing());
+        TestCast<i16>("40000", Nothing());
+        TestCast<i32>("3000000000", Nothing());
+
+        TestCast<ui8> ("300", Nothing());
+        TestCast<ui16>("70000", Nothing());
+        TestCast<ui32>("5000000000", Nothing());
+
+        // int to floating point
+        TestCast<double>("1", 1);
+        TestCast<double>("12", 12);
+        TestCast<double>("123", 123);
+
+        // floating point to int
+        TestCast<int>("0.1", Nothing());
+        TestCast<int>("0.23", Nothing());
+        TestCast<int>("1.2", Nothing());
+        TestCast<int>("1.23", Nothing());
+        TestCast<int>("12.3", Nothing());
+        TestCast<int>("123.4", Nothing());
+
+        // double
+        TestCast<double>("0.1", 0.1);
+        TestCast<double>("0.23", 0.23);
+        TestCast<double>("-1.23", -1.23);
+        TestCast<double>("12.3", 12.3);
+        TestCast<double>("123.4", 123.4);
+        TestCast<double>("1.23E20", 1.23E20);
+        TestCast<double>("1.23E-20", 1.23E-20);
+
+        // float
+        TestCast<float>("-0.1", -0.1f);
+        TestCast<float>("-0.23", -0.23f);
+        TestCast<float>("1.23", 1.23f);
+        TestCast<float>("-12.3", -12.3f);
+        TestCast<float>("-123.4", -123.4f);
+        TestCast<float>("-1.23E10", -1.23E10f);
+        TestCast<float>("-1.23E-10", -1.23E-10f);
+
+        // unsigned Max
+        TestCast<ui8> (ToString(Max<ui8>()),  Max<ui8>());
+        TestCast<ui16>(ToString(Max<ui16>()), Max<ui16>());
+        TestCast<ui32>(ToString(Max<ui32>()), Max<ui32>());
+        TestCast<ui64>(ToString(Max<ui64>()), Max<ui64>());
+
+        // signed Max
+        TestCast<i8> (ToString(Max<i8>()),  Max<i8>());
+        TestCast<i16>(ToString(Max<i16>()), Max<i16>());
+        TestCast<i32>(ToString(Max<i32>()), Max<i32>());
+        TestCast<i64>(ToString(Max<i64>()), Max<i64>());
+
+        // signed Min
+        TestCast<i8> (ToString(Min<i8>()),  Min<i8>());
+        TestCast<i16>(ToString(Min<i16>()), Min<i16>());
+        TestCast<i32>(ToString(Min<i32>()), Min<i32>());
+        TestCast<i64>(ToString(Min<i64>()), Min<i64>());
+
+        // unsigned out of range
+        TestCast<ui8> (ToString(static_cast<ui64>(Max<ui8>())  + 1), Nothing());
+        TestCast<ui16>(ToString(static_cast<ui64>(Max<ui16>()) + 1), Nothing());
+        TestCast<ui32>(ToString(static_cast<ui64>(Max<ui32>()) + 1), Nothing());
+
+        // signed out of range (right)
+        TestCast<i8> (ToString(static_cast<i64>(Max<i8>())  + 1), Nothing());
+        TestCast<i16>(ToString(static_cast<i64>(Max<i16>()) + 1), Nothing());
+        TestCast<i32>(ToString(static_cast<i64>(Max<i32>()) + 1), Nothing());
+
+        // signed out of range (left)
+        TestCast<i8> (ToString(static_cast<i64>(Min<i8>())  - 1), Nothing());
+        TestCast<i16>(ToString(static_cast<i64>(Min<i16>()) - 1), Nothing());
+        TestCast<i32>(ToString(static_cast<i64>(Min<i32>()) - 1), Nothing());
+
+        // positive signed to unsigned
+        TestCast<ui8> (ToString(Max<i8>()),  Max<i8>());
+        TestCast<ui16>(ToString(Max<i16>()), Max<i16>());
+        TestCast<ui32>(ToString(Max<i32>()), Max<i32>());
+        TestCast<ui64>(ToString(Max<i64>()), Max<i64>());
+
+        // negative signed to unsigned
+        TestCast<ui8> (ToString(Min<i8>()),  Nothing());
+        TestCast<ui16>(ToString(Min<i16>()), Nothing());
+        TestCast<ui32>(ToString(Min<i32>()), Nothing());
+        TestCast<ui64>(ToString(Min<i64>()), Nothing());
+
+        // DyNumber limits
+        TestCast<ui64>("9.9999999999999999999999999999999999999E+125", Nothing());
+        TestCast<ui64>("-9.9999999999999999999999999999999999999E+125", Nothing());
+        TestCast<double>("1E-130", 1E-130);
+        TestCast<double>("-1E-130", -1E-130);
+    }
 }
diff --git a/ydb/library/dynumber/ya.make b/ydb/library/dynumber/ya.make
index ddecd3d527..e125e312a7 100644
--- a/ydb/library/dynumber/ya.make
+++ b/ydb/library/dynumber/ya.make
@@ -7,11 +7,11 @@ PEERDIR(
 )
 
 SRCS(
-    cast.h 
+    cast.h
     dynumber.cpp
 )
 
-END() 
+END()
 
 RECURSE_FOR_TESTS(
     ut
diff --git a/ydb/library/yql/core/expr_nodes/yql_expr_nodes.json b/ydb/library/yql/core/expr_nodes/yql_expr_nodes.json
index 591e2e8761..edfcaa1530 100644
--- a/ydb/library/yql/core/expr_nodes/yql_expr_nodes.json
+++ b/ydb/library/yql/core/expr_nodes/yql_expr_nodes.json
@@ -50,20 +50,20 @@
             "ListBase": "TCoNameValueTuple"
         },
         {
-            "Name": "TCoChangefeed", 
-            "Base": "TExprBase", 
-            "Match": {"Type": "Tuple"}, 
-            "Children": [ 
-                {"Index": 0, "Name": "Name", "Type": "TCoAtom"}, 
-                {"Index": 1, "Name": "Settings", "Type": "TCoNameValueTupleList"}, 
-                {"Index": 2, "Name": "State", "Type": "TCoAtom"} 
-            ] 
-        }, 
-        { 
-            "Name": "TCoChangefeedList", 
-            "ListBase": "TCoChangefeed" 
-        }, 
-        { 
+            "Name": "TCoChangefeed",
+            "Base": "TExprBase",
+            "Match": {"Type": "Tuple"},
+            "Children": [
+                {"Index": 0, "Name": "Name", "Type": "TCoAtom"},
+                {"Index": 1, "Name": "Settings", "Type": "TCoNameValueTupleList"},
+                {"Index": 2, "Name": "State", "Type": "TCoAtom"}
+            ]
+        },
+        {
+            "Name": "TCoChangefeedList",
+            "ListBase": "TCoChangefeed"
+        },
+        {
             "Name": "TCoWorld",
             "Base": "TExprBase",
             "Match": {"Type": "NodeType", "TypeName": "World"},
diff --git a/ydb/library/yql/providers/common/provider/yql_provider.cpp b/ydb/library/yql/providers/common/provider/yql_provider.cpp
index f755688203..aa782ee93f 100644
--- a/ydb/library/yql/providers/common/provider/yql_provider.cpp
+++ b/ydb/library/yql/providers/common/provider/yql_provider.cpp
@@ -158,7 +158,7 @@ TWriteTableSettings ParseWriteTableSettings(TExprList node, TExprContext& ctx) {
     TMaybeNode<TCoLambda> update;
     TVector<TCoNameValueTuple> other;
     TVector<TCoIndex> indexes;
-    TVector<TCoChangefeed> changefeeds; 
+    TVector<TCoChangefeed> changefeeds;
     TMaybeNode<TExprList> columnFamilies;
     TVector<TCoNameValueTuple> tableSettings;
     TVector<TCoNameValueTuple> alterActions;
@@ -206,23 +206,23 @@ TWriteTableSettings ParseWriteTableSettings(TExprList node, TExprContext& ctx) {
                     }
                 }
                 indexes.push_back(index.Done());
-            } else if (name == "changefeed") { 
-                YQL_ENSURE(tuple.Value().Maybe<TCoNameValueTupleList>()); 
-                auto cf = Build<TCoChangefeed>(ctx, node.Pos()); 
-                for (const auto& item : tuple.Value().Cast<TCoNameValueTupleList>()) { 
-                    const auto& itemName = item.Name().Value(); 
-                    if (itemName == "name") { 
-                        cf.Name(item.Value().Cast<TCoAtom>()); 
-                    } else if (itemName == "settings") { 
-                        YQL_ENSURE(item.Value().Maybe<TCoNameValueTupleList>()); 
-                        cf.Settings(item.Value().Cast<TCoNameValueTupleList>()); 
-                    } else if (itemName == "state") { 
-                        cf.State(item.Value().Cast<TCoAtom>()); 
-                    } else { 
-                        YQL_ENSURE(false, "unknown changefeed item"); 
-                    } 
-                } 
-                changefeeds.push_back(cf.Done()); 
+            } else if (name == "changefeed") {
+                YQL_ENSURE(tuple.Value().Maybe<TCoNameValueTupleList>());
+                auto cf = Build<TCoChangefeed>(ctx, node.Pos());
+                for (const auto& item : tuple.Value().Cast<TCoNameValueTupleList>()) {
+                    const auto& itemName = item.Name().Value();
+                    if (itemName == "name") {
+                        cf.Name(item.Value().Cast<TCoAtom>());
+                    } else if (itemName == "settings") {
+                        YQL_ENSURE(item.Value().Maybe<TCoNameValueTupleList>());
+                        cf.Settings(item.Value().Cast<TCoNameValueTupleList>());
+                    } else if (itemName == "state") {
+                        cf.State(item.Value().Cast<TCoAtom>());
+                    } else {
+                        YQL_ENSURE(false, "unknown changefeed item");
+                    }
+                }
+                changefeeds.push_back(cf.Done());
             } else if (name == "columnFamilies") {
                 YQL_ENSURE(tuple.Value().Maybe<TExprList>());
                 columnFamilies = tuple.Value().Cast<TExprList>();
@@ -250,10 +250,10 @@ TWriteTableSettings ParseWriteTableSettings(TExprList node, TExprContext& ctx) {
         .Add(indexes)
         .Done();
 
-    const auto& cfs = Build<TCoChangefeedList>(ctx, node.Pos()) 
-        .Add(changefeeds) 
-        .Done(); 
- 
+    const auto& cfs = Build<TCoChangefeedList>(ctx, node.Pos())
+        .Add(changefeeds)
+        .Done();
+
     const auto& tableProfileSettings = Build<TCoNameValueTupleList>(ctx, node.Pos())
         .Add(tableSettings)
         .Done();
@@ -275,7 +275,7 @@ TWriteTableSettings ParseWriteTableSettings(TExprList node, TExprContext& ctx) {
     ret.Filter = filter;
     ret.Update = update;
     ret.Indexes = idx;
-    ret.Changefeeds = cfs; 
+    ret.Changefeeds = cfs;
     ret.ColumnFamilies = columnFamilies;
     ret.TableSettings = tableProfileSettings;
     ret.AlterActions = alterTableActions;
diff --git a/ydb/library/yql/providers/common/provider/yql_provider.h b/ydb/library/yql/providers/common/provider/yql_provider.h
index 01d419ae06..9e80cfd135 100644
--- a/ydb/library/yql/providers/common/provider/yql_provider.h
+++ b/ydb/library/yql/providers/common/provider/yql_provider.h
@@ -41,7 +41,7 @@ struct TWriteTableSettings {
     NNodes::TMaybeNode<NNodes::TCoLambda> Filter;
     NNodes::TMaybeNode<NNodes::TCoLambda> Update;
     NNodes::TMaybeNode<NNodes::TCoIndexList> Indexes;
-    NNodes::TMaybeNode<NNodes::TCoChangefeedList> Changefeeds; 
+    NNodes::TMaybeNode<NNodes::TCoChangefeedList> Changefeeds;
     NNodes::TCoNameValueTupleList Other;
     NNodes::TMaybeNode<NNodes::TExprList> ColumnFamilies;
     NNodes::TMaybeNode<NNodes::TCoNameValueTupleList> TableSettings;
diff --git a/ydb/library/yql/sql/v1/SQLv1.g.in b/ydb/library/yql/sql/v1/SQLv1.g.in
index 90862d4d45..ef394c7a00 100644
--- a/ydb/library/yql/sql/v1/SQLv1.g.in
+++ b/ydb/library/yql/sql/v1/SQLv1.g.in
@@ -450,14 +450,14 @@ simple_values_source: expr_list | select_stmt;
 
 create_table_stmt: CREATE TABLE simple_table_ref LPAREN create_table_entry (COMMA create_table_entry)* RPAREN
     with_table_settings?;
-create_table_entry: 
-    column_schema 
-  | table_constraint 
-  | table_index 
-  | family_entry 
-  | changefeed 
-; 
- 
+create_table_entry:
+    column_schema
+  | table_constraint
+  | table_index
+  | family_entry
+  | changefeed
+;
+
 with_table_settings: WITH LPAREN table_settings_entry (COMMA table_settings_entry)* RPAREN;
 table_settings_entry: an_id EQUALS table_setting_value;
 
@@ -468,31 +468,31 @@ alter_table_action:
   | alter_table_alter_column
   | alter_table_add_column_family
   | alter_table_alter_column_family
-  | alter_table_set_table_setting_uncompat 
-  | alter_table_set_table_setting_compat 
-  | alter_table_reset_table_setting 
+  | alter_table_set_table_setting_uncompat
+  | alter_table_set_table_setting_compat
+  | alter_table_reset_table_setting
   | alter_table_add_index
   | alter_table_drop_index
   | alter_table_rename_to
-  | alter_table_add_changefeed 
-  | alter_table_alter_changefeed 
-  | alter_table_drop_changefeed 
-; 
+  | alter_table_add_changefeed
+  | alter_table_alter_changefeed
+  | alter_table_drop_changefeed
+;
 
 alter_table_add_column: ADD COLUMN? column_schema;
 alter_table_drop_column: DROP COLUMN? an_id;
 alter_table_alter_column: ALTER COLUMN an_id SET family_relation;
 alter_table_add_column_family: ADD family_entry;
 alter_table_alter_column_family: ALTER FAMILY an_id SET an_id family_setting_value;
-alter_table_set_table_setting_uncompat: SET an_id table_setting_value; 
-alter_table_set_table_setting_compat: SET LPAREN alter_table_setting_entry (COMMA alter_table_setting_entry)* RPAREN; 
-alter_table_reset_table_setting: RESET LPAREN an_id (COMMA an_id)* RPAREN; 
+alter_table_set_table_setting_uncompat: SET an_id table_setting_value;
+alter_table_set_table_setting_compat: SET LPAREN alter_table_setting_entry (COMMA alter_table_setting_entry)* RPAREN;
+alter_table_reset_table_setting: RESET LPAREN an_id (COMMA an_id)* RPAREN;
 alter_table_add_index: ADD table_index;
 alter_table_drop_index: DROP INDEX an_id;
 alter_table_rename_to: RENAME TO an_id_table;
-alter_table_add_changefeed: ADD changefeed; 
-alter_table_alter_changefeed: ALTER CHANGEFEED an_id changefeed_alter_settings; 
-alter_table_drop_changefeed: DROP CHANGEFEED an_id; 
+alter_table_add_changefeed: ADD changefeed;
+alter_table_alter_changefeed: ALTER CHANGEFEED an_id changefeed_alter_settings;
+alter_table_drop_changefeed: DROP CHANGEFEED an_id;
 
 column_schema: an_id_schema type_name_or_bind family_relation? (NOT? NULL)?;
 family_relation: FAMILY an_id;
@@ -504,36 +504,36 @@ table_constraint:
   | ORDER BY LPAREN column_order_by_specification (COMMA column_order_by_specification)* RPAREN
 ;
 
-table_index: INDEX an_id table_index_type 
+table_index: INDEX an_id table_index_type
     (WITH LPAREN an_id EQUALS an_id COMMA (an_id EQUALS an_id)* RPAREN)?
     ON LPAREN an_id_schema (COMMA an_id_schema)* RPAREN
     (COVER LPAREN an_id_schema (COMMA an_id_schema)* RPAREN)?;
 
-table_index_type: 
-      global_index 
-    | local_index 
-; 
- 
-global_index: GLOBAL UNIQUE? (SYNC | ASYNC)?; 
-local_index: LOCAL; 
- 
-changefeed: CHANGEFEED an_id WITH LPAREN changefeed_settings RPAREN; 
-changefeed_settings: changefeed_settings_entry (COMMA changefeed_settings_entry)*; 
-changefeed_settings_entry: an_id EQUALS changefeed_setting_value; 
-changefeed_setting_value: STRING_VALUE; 
-changefeed_alter_settings:  
-    DISABLE 
-  | SET LPAREN changefeed_settings RPAREN 
-; 
- 
-alter_table_setting_entry: an_id EQUALS table_setting_value; 
- 
+table_index_type:
+      global_index
+    | local_index
+;
+
+global_index: GLOBAL UNIQUE? (SYNC | ASYNC)?;
+local_index: LOCAL;
+
+changefeed: CHANGEFEED an_id WITH LPAREN changefeed_settings RPAREN;
+changefeed_settings: changefeed_settings_entry (COMMA changefeed_settings_entry)*;
+changefeed_settings_entry: an_id EQUALS changefeed_setting_value;
+changefeed_setting_value: STRING_VALUE;
+changefeed_alter_settings: 
+    DISABLE
+  | SET LPAREN changefeed_settings RPAREN
+;
+
+alter_table_setting_entry: an_id EQUALS table_setting_value;
+
 table_setting_value:
       id
     | STRING_VALUE
     | integer
     | split_boundaries
-    | expr ON an_id 
+    | expr ON an_id
 ;
 
 family_entry: FAMILY an_id family_settings?;
@@ -865,7 +865,7 @@ keyword_compat: (
   | ANSI
   | ARRAY
   | ASC
-  | ASYNC 
+  | ASYNC
   | ATTACH
   | AUTOINCREMENT
   | BEFORE
@@ -873,7 +873,7 @@ keyword_compat: (
   | BERNOULLI
   | BY
   | CASCADE
-  | CHANGEFEED 
+  | CHANGEFEED
   | CHECK
   | COLLATE
   | COMMIT
@@ -894,7 +894,7 @@ keyword_compat: (
   | DELETE
   | DESC
   | DETACH
-  | DISABLE 
+  | DISABLE
   | DISCARD
   | DO
   | DROP
@@ -972,7 +972,7 @@ keyword_compat: (
   | RELEASE
   | RENAME
   | REPLACE
-  | RESET 
+  | RESET
   | RESPECT
   | RESTRICT
   | RESULT
@@ -989,7 +989,7 @@ keyword_compat: (
   | SORTED
   | SUBQUERY
   | SYMBOLS
-  | SYNC 
+  | SYNC
   | SYSTEM
   | TABLE
   | TABLESAMPLE
@@ -1125,7 +1125,7 @@ ARRAY: A R R A Y;
 AS: A S;
 ASC: A S C;
 ASSUME: A S S U M E;
-ASYNC: A S Y N C; 
+ASYNC: A S Y N C;
 ATTACH: A T T A C H;
 AUTOINCREMENT: A U T O I N C R E M E N T;
 AUTOMAP: A U T O M A P;
@@ -1139,7 +1139,7 @@ CALLABLE: C A L L A B L E;
 CASCADE: C A S C A D E;
 CASE: C A S E;
 CAST: C A S T;
-CHANGEFEED: C H A N G E F E E D; 
+CHANGEFEED: C H A N G E F E E D;
 CHECK: C H E C K;
 COLLATE: C O L L A T E;
 COLUMN: C O L U M N;
@@ -1168,7 +1168,7 @@ DELETE: D E L E T E;
 DESC: D E S C;
 DETACH: D E T A C H;
 DICT: D I C T;
-DISABLE: D I S A B L E; 
+DISABLE: D I S A B L E;
 DISCARD: D I S C A R D;
 DISTINCT: D I S T I N C T;
 DO: D O;
@@ -1274,7 +1274,7 @@ RELEASE: R E L E A S E;
 RENAME: R E N A M E;
 REPEATABLE: R E P E A T A B L E;
 REPLACE: R E P L A C E;
-RESET: R E S E T; 
+RESET: R E S E T;
 RESOURCE: R E S O U R C E;
 RESPECT: R E S P E C T;
 RESTRICT: R E S T R I C T;
@@ -1300,7 +1300,7 @@ STREAM: S T R E A M;
 STRUCT: S T R U C T;
 SUBQUERY: S U B Q U E R Y;
 SYMBOLS: S Y M B O L S;
-SYNC: S Y N C; 
+SYNC: S Y N C;
 SYSTEM: S Y S T E M;
 TABLE: T A B L E;
 TABLESAMPLE: T A B L E S A M P L E;
diff --git a/ydb/library/yql/sql/v1/node.cpp b/ydb/library/yql/sql/v1/node.cpp
index 336f077766..870bbd9cc7 100644
--- a/ydb/library/yql/sql/v1/node.cpp
+++ b/ydb/library/yql/sql/v1/node.cpp
@@ -2222,12 +2222,12 @@ TMaybe<TStringContent> StringContentOrIdContent(TContext& ctx, TPosition pos, co
         (ctx.AnsiQuotedIdentifiers && input.StartsWith('"'))? EStringContentMode::AnsiIdent : EStringContentMode::Default);
 }
 
-TTtlSettings::TTtlSettings(const TIdentifier& columnName, const TNodePtr& expr) 
-    : ColumnName(columnName) 
-    , Expr(expr) 
-{ 
-} 
- 
+TTtlSettings::TTtlSettings(const TIdentifier& columnName, const TNodePtr& expr)
+    : ColumnName(columnName)
+    , Expr(expr)
+{
+}
+
 TString IdContent(TContext& ctx, const TString& s) {
     YQL_ENSURE(!s.empty(), "Empty identifier not expected");
     if (!s.StartsWith('`')) {
diff --git a/ydb/library/yql/sql/v1/node.h b/ydb/library/yql/sql/v1/node.h
index 3f65b3ddb3..de82b45a23 100644
--- a/ydb/library/yql/sql/v1/node.h
+++ b/ydb/library/yql/sql/v1/node.h
@@ -18,7 +18,7 @@
 
 #include <array>
 #include <functional>
-#include <variant> 
+#include <variant>
 
 namespace NSQLTranslationV1 {
     constexpr const size_t SQL_MAX_INLINE_SCRIPT_LEN = 24;
@@ -1052,13 +1052,13 @@ namespace NSQLTranslationV1 {
     TMaybe<TStringContent> StringContent(TContext& ctx, TPosition pos, const TString& input);
     TMaybe<TStringContent> StringContentOrIdContent(TContext& ctx, TPosition pos, const TString& input);
 
-    struct TTtlSettings { 
-        TIdentifier ColumnName; 
-        TNodePtr Expr; 
- 
-        TTtlSettings(const TIdentifier& columnName, const TNodePtr& expr); 
-    }; 
- 
+    struct TTtlSettings {
+        TIdentifier ColumnName;
+        TNodePtr Expr;
+
+        TTtlSettings(const TIdentifier& columnName, const TNodePtr& expr);
+    };
+
     struct TTableSettings {
         TNodePtr CompactionPolicy;
         TMaybe<TIdentifier> AutoPartitioningBySize;
@@ -1070,12 +1070,12 @@ namespace NSQLTranslationV1 {
         TVector<TVector<TNodePtr>> PartitionAtKeys;
         TMaybe<TIdentifier> KeyBloomFilter;
         TNodePtr ReadReplicasSettings;
-        NYql::TResetableSetting<TTtlSettings, void> TtlSettings; 
- 
+        NYql::TResetableSetting<TTtlSettings, void> TtlSettings;
+
         bool IsSet() const {
             return CompactionPolicy || AutoPartitioningBySize || PartitionSizeMb || AutoPartitioningByLoad
                 || MinPartitions || MaxPartitions || UniformPartitions || PartitionAtKeys || KeyBloomFilter
-                || ReadReplicasSettings || TtlSettings; 
+                || ReadReplicasSettings || TtlSettings;
         }
     };
 
@@ -1089,52 +1089,52 @@ namespace NSQLTranslationV1 {
         TNodePtr Compression;
     };
 
-    struct TIndexDescription { 
-        enum class EType { 
-            GlobalSync, 
-            GlobalAsync, 
-        }; 
- 
-        TIndexDescription(const TIdentifier& name, EType type = EType::GlobalSync) 
-            : Name(name) 
-            , Type(type) 
-        {} 
- 
-        TIdentifier Name; 
-        EType Type; 
-        TVector<TIdentifier> IndexColumns; 
-        TVector<TIdentifier> DataColumns; 
-    }; 
- 
-    struct TChangefeedSettings { 
-        struct TLocalSinkSettings { 
-            // no special settings 
-        }; 
- 
-        TNodePtr Mode; 
-        TNodePtr Format; 
-        std::optional<std::variant<TLocalSinkSettings>> SinkSettings; 
-    }; 
- 
-    struct TChangefeedDescription { 
-        TChangefeedDescription(const TIdentifier& name) 
-            : Name(name) 
-            , Disable(false) 
-        {} 
- 
-        TIdentifier Name; 
-        TChangefeedSettings Settings; 
-        bool Disable; 
-    }; 
- 
+    struct TIndexDescription {
+        enum class EType {
+            GlobalSync,
+            GlobalAsync,
+        };
+
+        TIndexDescription(const TIdentifier& name, EType type = EType::GlobalSync)
+            : Name(name)
+            , Type(type)
+        {}
+
+        TIdentifier Name;
+        EType Type;
+        TVector<TIdentifier> IndexColumns;
+        TVector<TIdentifier> DataColumns;
+    };
+
+    struct TChangefeedSettings {
+        struct TLocalSinkSettings {
+            // no special settings
+        };
+
+        TNodePtr Mode;
+        TNodePtr Format;
+        std::optional<std::variant<TLocalSinkSettings>> SinkSettings;
+    };
+
+    struct TChangefeedDescription {
+        TChangefeedDescription(const TIdentifier& name)
+            : Name(name)
+            , Disable(false)
+        {}
+
+        TIdentifier Name;
+        TChangefeedSettings Settings;
+        bool Disable;
+    };
+
     struct TCreateTableParameters {
         TVector<TColumnSchema> Columns;
         TVector<TIdentifier> PkColumns;
         TVector<TIdentifier> PartitionByColumns;
         TVector<std::pair<TIdentifier, bool>> OrderByColumns;
-        TVector<TIndexDescription> Indexes; 
+        TVector<TIndexDescription> Indexes;
         TVector<TFamilyEntry> ColumnFamilies;
-        TVector<TChangefeedDescription> Changefeeds; 
+        TVector<TChangefeedDescription> Changefeeds;
         TTableSettings TableSettings;
     };
 
@@ -1145,20 +1145,20 @@ namespace NSQLTranslationV1 {
         TVector<TFamilyEntry> AddColumnFamilies;
         TVector<TFamilyEntry> AlterColumnFamilies;
         TTableSettings TableSettings;
-        TVector<TIndexDescription> AddIndexes; 
+        TVector<TIndexDescription> AddIndexes;
         TVector<TIdentifier> DropIndexes;
         TMaybe<TIdentifier> RenameTo;
-        TVector<TChangefeedDescription> AddChangefeeds; 
-        TVector<TChangefeedDescription> AlterChangefeeds; 
-        TVector<TIdentifier> DropChangefeeds; 
+        TVector<TChangefeedDescription> AddChangefeeds;
+        TVector<TChangefeedDescription> AlterChangefeeds;
+        TVector<TIdentifier> DropChangefeeds;
 
         bool IsEmpty() const {
             return AddColumns.empty() && DropColumns.empty() && AlterColumns.empty()
-                && AddColumnFamilies.empty() && AlterColumnFamilies.empty() 
-                && !TableSettings.IsSet() 
-                && AddIndexes.empty() && DropIndexes.empty() 
-                && !RenameTo.Defined() 
-                && AddChangefeeds.empty() && AlterChangefeeds.empty() && DropChangefeeds.empty(); 
+                && AddColumnFamilies.empty() && AlterColumnFamilies.empty()
+                && !TableSettings.IsSet()
+                && AddIndexes.empty() && DropIndexes.empty()
+                && !RenameTo.Defined()
+                && AddChangefeeds.empty() && AlterChangefeeds.empty() && DropChangefeeds.empty();
         }
     };
 
diff --git a/ydb/library/yql/sql/v1/query.cpp b/ydb/library/yql/sql/v1/query.cpp
index 8e4311b5e4..725356b9f5 100644
--- a/ydb/library/yql/sql/v1/query.cpp
+++ b/ydb/library/yql/sql/v1/query.cpp
@@ -89,62 +89,62 @@ TNodePtr BuildTableKey(TPosition pos, const TString& service, const TDeferredAto
     return new TUniqueTableKey(pos, service, cluster, name, view);
 }
 
-static INode::TPtr CreateIndexType(TIndexDescription::EType type, const INode& node) { 
-    switch (type) { 
-        case TIndexDescription::EType::GlobalSync: 
-            return node.Q("syncGlobal"); 
-        case TIndexDescription::EType::GlobalAsync: 
-            return node.Q("asyncGlobal"); 
-    } 
-} 
- 
-static INode::TPtr CreateIndexDesc(const TIndexDescription& index, const INode& node) { 
+static INode::TPtr CreateIndexType(TIndexDescription::EType type, const INode& node) {
+    switch (type) {
+        case TIndexDescription::EType::GlobalSync:
+            return node.Q("syncGlobal");
+        case TIndexDescription::EType::GlobalAsync:
+            return node.Q("asyncGlobal");
+    }
+}
+
+static INode::TPtr CreateIndexDesc(const TIndexDescription& index, const INode& node) {
     auto indexColumns = node.Y();
-    for (const auto& col : index.IndexColumns) { 
+    for (const auto& col : index.IndexColumns) {
         indexColumns = node.L(indexColumns, BuildQuotedAtom(col.Pos, col.Name));
     }
     auto dataColumns = node.Y();
-    for (const auto& col : index.DataColumns) { 
+    for (const auto& col : index.DataColumns) {
         dataColumns = node.L(dataColumns, BuildQuotedAtom(col.Pos, col.Name));
     }
-    const auto& indexType = node.Y(node.Q("indexType"), CreateIndexType(index.Type, node)); 
-    const auto& indexName = node.Y(node.Q("indexName"), BuildQuotedAtom(index.Name.Pos, index.Name.Name)); 
+    const auto& indexType = node.Y(node.Q("indexType"), CreateIndexType(index.Type, node));
+    const auto& indexName = node.Y(node.Q("indexName"), BuildQuotedAtom(index.Name.Pos, index.Name.Name));
     return node.Y(node.Q(indexName),
                   node.Q(indexType),
                   node.Q(node.Y(node.Q("indexColumns"), node.Q(indexColumns))),
                   node.Q(node.Y(node.Q("dataColumns"), node.Q(dataColumns))));
 }
 
-static INode::TPtr CreateChangefeedDesc(const TChangefeedDescription& desc, const INode& node) { 
-    auto settings = node.Y(); 
-    if (desc.Settings.Mode) { 
-        settings = node.L(settings, node.Q(node.Y(node.Q("mode"), desc.Settings.Mode))); 
-    } 
-    if (desc.Settings.Format) { 
-        settings = node.L(settings, node.Q(node.Y(node.Q("format"), desc.Settings.Format))); 
-    } 
-    if (const auto& sink = desc.Settings.SinkSettings) { 
-        switch (sink->index()) { 
-            case 0: // local 
-                settings = node.L(settings, node.Q(node.Y(node.Q("local"), node.Q(node.Y())))); 
-                break; 
-            default: 
-                YQL_ENSURE(false, "Unexpected sink settings"); 
-        } 
-    } 
- 
-    auto state = node.Y(); 
-    if (desc.Disable) { 
-        state = node.Q("disable"); 
-    } 
- 
-    return node.Y( 
-        node.Q(node.Y(node.Q("name"), BuildQuotedAtom(desc.Name.Pos, desc.Name.Name))), 
-        node.Q(node.Y(node.Q("settings"), node.Q(settings))), 
-        node.Q(node.Y(node.Q("state"), node.Q(state))) 
-    ); 
-} 
- 
+static INode::TPtr CreateChangefeedDesc(const TChangefeedDescription& desc, const INode& node) {
+    auto settings = node.Y();
+    if (desc.Settings.Mode) {
+        settings = node.L(settings, node.Q(node.Y(node.Q("mode"), desc.Settings.Mode)));
+    }
+    if (desc.Settings.Format) {
+        settings = node.L(settings, node.Q(node.Y(node.Q("format"), desc.Settings.Format)));
+    }
+    if (const auto& sink = desc.Settings.SinkSettings) {
+        switch (sink->index()) {
+            case 0: // local
+                settings = node.L(settings, node.Q(node.Y(node.Q("local"), node.Q(node.Y()))));
+                break;
+            default:
+                YQL_ENSURE(false, "Unexpected sink settings");
+        }
+    }
+
+    auto state = node.Y();
+    if (desc.Disable) {
+        state = node.Q("disable");
+    }
+
+    return node.Y(
+        node.Q(node.Y(node.Q("name"), BuildQuotedAtom(desc.Name.Pos, desc.Name.Name))),
+        node.Q(node.Y(node.Q("settings"), node.Q(settings))),
+        node.Q(node.Y(node.Q("state"), node.Q(state)))
+    );
+}
+
 class TPrepTableKeys: public ITableKeys {
 public:
     TPrepTableKeys(TPosition pos, const TString& service, const TDeferredAtom& cluster,
@@ -577,12 +577,12 @@ public:
             return false;
         }
 
-        if (!Params.PkColumns.empty() 
-            || !Params.PartitionByColumns.empty() 
-            || !Params.OrderByColumns.empty() 
-            || !Params.Indexes.empty() 
-            || !Params.Changefeeds.empty()) 
-        { 
+        if (!Params.PkColumns.empty()
+            || !Params.PartitionByColumns.empty()
+            || !Params.OrderByColumns.empty()
+            || !Params.Indexes.empty()
+            || !Params.Changefeeds.empty())
+        {
             THashSet<TString> columnsSet;
             for (auto& col : Params.Columns) {
                 columnsSet.insert(col.Name);
@@ -608,34 +608,34 @@ public:
             }
 
             THashSet<TString> indexNames;
-            for (const auto& index : Params.Indexes) { 
-                if (!indexNames.insert(index.Name.Name).second) { 
-                    ctx.Error(index.Name.Pos) << "Index " << index.Name.Name << " must be defined once"; 
+            for (const auto& index : Params.Indexes) {
+                if (!indexNames.insert(index.Name.Name).second) {
+                    ctx.Error(index.Name.Pos) << "Index " << index.Name.Name << " must be defined once";
                     return false;
                 }
 
-                for (const auto& indexColumn : index.IndexColumns) { 
+                for (const auto& indexColumn : index.IndexColumns) {
                     if (!columnsSet.contains(indexColumn.Name)) {
                         ctx.Error(indexColumn.Pos) << "Undefined column: " << indexColumn.Name;
                         return false;
                     }
                 }
 
-                for (const auto& dataColumn : index.DataColumns) { 
+                for (const auto& dataColumn : index.DataColumns) {
                     if (!columnsSet.contains(dataColumn.Name)) {
                         ctx.Error(dataColumn.Pos) << "Undefined column: " << dataColumn.Name;
                         return false;
                     }
                 }
             }
- 
-            THashSet<TString> cfNames; 
-            for (const auto& cf : Params.Changefeeds) { 
-                if (!cfNames.insert(cf.Name.Name).second) { 
-                    ctx.Error(cf.Name.Pos) << "Changefeed " << cf.Name.Name << " must be defined once"; 
-                    return false; 
-                } 
-            } 
+
+            THashSet<TString> cfNames;
+            for (const auto& cf : Params.Changefeeds) {
+                if (!cfNames.insert(cf.Name.Name).second) {
+                    ctx.Error(cf.Name.Pos) << "Changefeed " << cf.Name.Name << " must be defined once";
+                    return false;
+                }
+            }
         }
         auto columns = Y();
         for (auto& col : Params.Columns) {
@@ -706,16 +706,16 @@ public:
             opts = L(opts, Q(Y(Q("orderby"), Q(orderBy))));
         }
 
-        for (const auto& index : Params.Indexes) { 
-            const auto& desc = CreateIndexDesc(index, *this); 
+        for (const auto& index : Params.Indexes) {
+            const auto& desc = CreateIndexDesc(index, *this);
             opts = L(opts, Q(Y(Q("index"), Q(desc))));
         }
 
-        for (const auto& cf : Params.Changefeeds) { 
-            const auto& desc = CreateChangefeedDesc(cf, *this); 
-            opts = L(opts, Q(Y(Q("changefeed"), Q(desc)))); 
-        } 
- 
+        for (const auto& cf : Params.Changefeeds) {
+            const auto& desc = CreateChangefeedDesc(cf, *this);
+            opts = L(opts, Q(Y(Q("changefeed"), Q(desc))));
+        }
+
         if (Params.ColumnFamilies) {
             auto columnFamilies = Y();
             for (const auto& family : Params.ColumnFamilies) {
@@ -776,19 +776,19 @@ public:
             if (Params.TableSettings.ReadReplicasSettings) {
                 settings = L(settings, Q(Y(Q("readReplicasSettings"), Params.TableSettings.ReadReplicasSettings)));
             }
-            if (const auto& ttl = Params.TableSettings.TtlSettings) { 
-                if (ttl.IsSet()) { 
-                    const auto& ttlSettings = ttl.GetValueSet(); 
-                    auto columnName = BuildQuotedAtom(ttlSettings.ColumnName.Pos, ttlSettings.ColumnName.Name); 
-                    auto nameValueTuple = Y( 
-                        Q(Y(Q("columnName"), columnName)), 
-                        Q(Y(Q("expireAfter"), ttlSettings.Expr)) 
-                    ); 
-                    settings = L(settings, Q(Y(Q("setTtlSettings"), Q(nameValueTuple)))); 
-                } else { 
-                    YQL_ENSURE(false, "Can't reset TTL settings"); 
-                } 
-            } 
+            if (const auto& ttl = Params.TableSettings.TtlSettings) {
+                if (ttl.IsSet()) {
+                    const auto& ttlSettings = ttl.GetValueSet();
+                    auto columnName = BuildQuotedAtom(ttlSettings.ColumnName.Pos, ttlSettings.ColumnName.Name);
+                    auto nameValueTuple = Y(
+                        Q(Y(Q("columnName"), columnName)),
+                        Q(Y(Q("expireAfter"), ttlSettings.Expr))
+                    );
+                    settings = L(settings, Q(Y(Q("setTtlSettings"), Q(nameValueTuple))));
+                } else {
+                    YQL_ENSURE(false, "Can't reset TTL settings");
+                }
+            }
 
             opts = L(opts, Q(Y(Q("tableSettings"), Q(settings))));
         }
@@ -941,24 +941,24 @@ public:
             if (Params.TableSettings.ReadReplicasSettings) {
                 settings = L(settings, Q(Y(Q("readReplicasSettings"), Params.TableSettings.ReadReplicasSettings)));
             }
-            if (const auto& ttl = Params.TableSettings.TtlSettings) { 
-                if (ttl.IsSet()) { 
-                    const auto& ttlSettings = ttl.GetValueSet(); 
-                    auto columnName = BuildQuotedAtom(ttlSettings.ColumnName.Pos, ttlSettings.ColumnName.Name); 
-                    auto nameValueTuple = Y( 
-                        Q(Y(Q("columnName"), columnName)), 
-                        Q(Y(Q("expireAfter"), ttlSettings.Expr)) 
-                    ); 
-                    settings = L(settings, Q(Y(Q("setTtlSettings"), Q(nameValueTuple)))); 
-                } else { 
-                    settings = L(settings, Q(Y(Q("resetTtlSettings"), Q(Y())))); 
-                } 
-            } 
+            if (const auto& ttl = Params.TableSettings.TtlSettings) {
+                if (ttl.IsSet()) {
+                    const auto& ttlSettings = ttl.GetValueSet();
+                    auto columnName = BuildQuotedAtom(ttlSettings.ColumnName.Pos, ttlSettings.ColumnName.Name);
+                    auto nameValueTuple = Y(
+                        Q(Y(Q("columnName"), columnName)),
+                        Q(Y(Q("expireAfter"), ttlSettings.Expr))
+                    );
+                    settings = L(settings, Q(Y(Q("setTtlSettings"), Q(nameValueTuple))));
+                } else {
+                    settings = L(settings, Q(Y(Q("resetTtlSettings"), Q(Y()))));
+                }
+            }
             actions = L(actions, Q(Y(Q("setTableSettings"), Q(settings))));
         }
 
-        for (const auto& index : Params.AddIndexes) { 
-            const auto& desc = CreateIndexDesc(index, *this); 
+        for (const auto& index : Params.AddIndexes) {
+            const auto& desc = CreateIndexDesc(index, *this);
             actions = L(actions, Q(Y(Q("addIndex"), Q(desc))));
         }
 
@@ -973,21 +973,21 @@ public:
             actions = L(actions, Q(Y(Q("renameTo"), destination)));
         }
 
-        for (const auto& cf : Params.AddChangefeeds) { 
-            const auto& desc = CreateChangefeedDesc(cf, *this); 
-            actions = L(actions, Q(Y(Q("addChangefeed"), Q(desc)))); 
-        } 
- 
-        for (const auto& cf : Params.AlterChangefeeds) { 
-            const auto& desc = CreateChangefeedDesc(cf, *this); 
-            actions = L(actions, Q(Y(Q("alterChangefeed"), Q(desc)))); 
-        } 
- 
-        for (const auto& id : Params.DropChangefeeds) { 
-            const auto name = BuildQuotedAtom(id.Pos, id.Name); 
-            actions = L(actions, Q(Y(Q("dropChangefeed"), name))); 
-        } 
- 
+        for (const auto& cf : Params.AddChangefeeds) {
+            const auto& desc = CreateChangefeedDesc(cf, *this);
+            actions = L(actions, Q(Y(Q("addChangefeed"), Q(desc))));
+        }
+
+        for (const auto& cf : Params.AlterChangefeeds) {
+            const auto& desc = CreateChangefeedDesc(cf, *this);
+            actions = L(actions, Q(Y(Q("alterChangefeed"), Q(desc))));
+        }
+
+        for (const auto& id : Params.DropChangefeeds) {
+            const auto name = BuildQuotedAtom(id.Pos, id.Name);
+            actions = L(actions, Q(Y(Q("dropChangefeed"), name)));
+        }
+
         auto opts = Y();
 
         opts = L(opts, Q(Y(Q("mode"), Q("alter"))));
diff --git a/ydb/library/yql/sql/v1/sql.cpp b/ydb/library/yql/sql/v1/sql.cpp
index 6a37c7e89a..ab5a864788 100644
--- a/ydb/library/yql/sql/v1/sql.cpp
+++ b/ydb/library/yql/sql/v1/sql.cpp
@@ -596,30 +596,30 @@ static bool PureColumnOrNamedListStr(const TRule_pure_column_or_named_list& node
     return true;
 }
 
-static bool CreateTableIndex(const TRule_table_index& node, TTranslation& ctx, TVector<TIndexDescription>& indexes) { 
-    indexes.emplace_back(IdEx(node.GetRule_an_id2(), ctx)); 
+static bool CreateTableIndex(const TRule_table_index& node, TTranslation& ctx, TVector<TIndexDescription>& indexes) {
+    indexes.emplace_back(IdEx(node.GetRule_an_id2(), ctx));
 
-    const auto& indexType = node.GetRule_table_index_type3(); 
+    const auto& indexType = node.GetRule_table_index_type3();
     switch (indexType.Alt_case()) {
-        case TRule_table_index_type::kAltTableIndexType1: { 
-            auto globalIndex = indexType.GetAlt_table_index_type1().GetRule_global_index1(); 
-            if (globalIndex.HasBlock2()) { 
+        case TRule_table_index_type::kAltTableIndexType1: {
+            auto globalIndex = indexType.GetAlt_table_index_type1().GetRule_global_index1();
+            if (globalIndex.HasBlock2()) {
                 ctx.AltNotImplemented("unique", indexType);
                 return false;
             }
-            if (globalIndex.HasBlock3()) { 
-                const TString token = to_lower(ctx.Token(globalIndex.GetBlock3().GetToken1())); 
-                if (token == "sync") { 
-                    indexes.back().Type = TIndexDescription::EType::GlobalSync; 
-                } else if (token == "async") { 
-                    indexes.back().Type = TIndexDescription::EType::GlobalAsync; 
-                } else { 
-                    Y_FAIL("You should change implementation according to grammar changes"); 
-                } 
-            } 
+            if (globalIndex.HasBlock3()) {
+                const TString token = to_lower(ctx.Token(globalIndex.GetBlock3().GetToken1()));
+                if (token == "sync") {
+                    indexes.back().Type = TIndexDescription::EType::GlobalSync;
+                } else if (token == "async") {
+                    indexes.back().Type = TIndexDescription::EType::GlobalAsync;
+                } else {
+                    Y_FAIL("You should change implementation according to grammar changes");
+                }
+            }
         }
         break;
-        case TRule_table_index_type::kAltTableIndexType2: 
+        case TRule_table_index_type::kAltTableIndexType2:
             ctx.AltNotImplemented("local", indexType);
             return false;
         default:
@@ -631,75 +631,75 @@ static bool CreateTableIndex(const TRule_table_index& node, TTranslation& ctx, T
         return false;
     }
 
-    indexes.back().IndexColumns.emplace_back(IdEx(node.GetRule_an_id_schema7(), ctx)); 
+    indexes.back().IndexColumns.emplace_back(IdEx(node.GetRule_an_id_schema7(), ctx));
     for (const auto& block : node.GetBlock8()) {
-        indexes.back().IndexColumns.emplace_back(IdEx(block.GetRule_an_id_schema2(), ctx)); 
+        indexes.back().IndexColumns.emplace_back(IdEx(block.GetRule_an_id_schema2(), ctx));
     }
 
     if (node.HasBlock10()) {
         const auto& block = node.GetBlock10();
-        indexes.back().DataColumns.emplace_back(IdEx(block.GetRule_an_id_schema3(), ctx)); 
+        indexes.back().DataColumns.emplace_back(IdEx(block.GetRule_an_id_schema3(), ctx));
         for (const auto& inner : block.GetBlock4()) {
-            indexes.back().DataColumns.emplace_back(IdEx(inner.GetRule_an_id_schema2(), ctx)); 
+            indexes.back().DataColumns.emplace_back(IdEx(inner.GetRule_an_id_schema2(), ctx));
+        }
+    }
+
+    return true;
+}
+
+static bool ChangefeedSettingsEntry(const TRule_changefeed_settings_entry& node, TTranslation& ctx, TChangefeedSettings& settings, bool alter) {
+    const auto id = IdEx(node.GetRule_an_id1(), ctx);
+    const TString value(ctx.Token(node.GetRule_changefeed_setting_value3().GetToken1()));
+
+    if (alter) {
+        // currently we don't support alter settings
+        ctx.Error() << to_upper(id.Name) << " alter is not supported";
+        return false;
+    }
+
+    if (to_lower(id.Name) == "sink_type") {
+        if (to_lower(value) == "local") {
+            settings.SinkSettings = TChangefeedSettings::TLocalSinkSettings();
+        } else {
+            ctx.Error() << "Unknown changefeed's sink type: " << to_upper(value);
+            return false;
+        }
+    } else if (to_lower(id.Name) == "mode") {
+        settings.Mode = BuildLiteralSmartString(ctx.Context(), value);
+    } else if (to_lower(id.Name) == "format") {
+        settings.Format = BuildLiteralSmartString(ctx.Context(), value);
+    } else {
+        ctx.Error() << "Unknown changefeed setting: " << id.Name;
+        return false;
+    }
+
+    return true;
+}
+
+static bool ChangefeedSettings(const TRule_changefeed_settings& node, TTranslation& ctx, TChangefeedSettings& settings, bool alter) {
+    if (!ChangefeedSettingsEntry(node.GetRule_changefeed_settings_entry1(), ctx, settings, alter)) {
+        return false;
+    }
+
+    for (auto& block : node.GetBlock2()) {
+        if (!ChangefeedSettingsEntry(block.GetRule_changefeed_settings_entry2(), ctx, settings, alter)) {
+            return false;
         }
     }
 
     return true;
 }
 
-static bool ChangefeedSettingsEntry(const TRule_changefeed_settings_entry& node, TTranslation& ctx, TChangefeedSettings& settings, bool alter) { 
-    const auto id = IdEx(node.GetRule_an_id1(), ctx); 
-    const TString value(ctx.Token(node.GetRule_changefeed_setting_value3().GetToken1())); 
- 
-    if (alter) { 
-        // currently we don't support alter settings 
-        ctx.Error() << to_upper(id.Name) << " alter is not supported"; 
-        return false; 
-    } 
- 
-    if (to_lower(id.Name) == "sink_type") { 
-        if (to_lower(value) == "local") { 
-            settings.SinkSettings = TChangefeedSettings::TLocalSinkSettings(); 
-        } else { 
-            ctx.Error() << "Unknown changefeed's sink type: " << to_upper(value); 
-            return false; 
-        } 
-    } else if (to_lower(id.Name) == "mode") { 
-        settings.Mode = BuildLiteralSmartString(ctx.Context(), value); 
-    } else if (to_lower(id.Name) == "format") { 
-        settings.Format = BuildLiteralSmartString(ctx.Context(), value); 
-    } else { 
-        ctx.Error() << "Unknown changefeed setting: " << id.Name; 
-        return false; 
-    } 
- 
-    return true; 
-} 
- 
-static bool ChangefeedSettings(const TRule_changefeed_settings& node, TTranslation& ctx, TChangefeedSettings& settings, bool alter) { 
-    if (!ChangefeedSettingsEntry(node.GetRule_changefeed_settings_entry1(), ctx, settings, alter)) { 
-        return false; 
-    } 
- 
-    for (auto& block : node.GetBlock2()) { 
-        if (!ChangefeedSettingsEntry(block.GetRule_changefeed_settings_entry2(), ctx, settings, alter)) { 
-            return false; 
-        } 
-    } 
- 
-    return true; 
-} 
- 
-static bool CreateChangefeed(const TRule_changefeed& node, TTranslation& ctx, TVector<TChangefeedDescription>& changefeeds) { 
-    changefeeds.emplace_back(IdEx(node.GetRule_an_id2(), ctx)); 
- 
-    if (!ChangefeedSettings(node.GetRule_changefeed_settings5(), ctx, changefeeds.back().Settings, false)) { 
-        return false; 
-    } 
- 
-    return true; 
-} 
- 
+static bool CreateChangefeed(const TRule_changefeed& node, TTranslation& ctx, TVector<TChangefeedDescription>& changefeeds) {
+    changefeeds.emplace_back(IdEx(node.GetRule_an_id2(), ctx));
+
+    if (!ChangefeedSettings(node.GetRule_changefeed_settings5(), ctx, changefeeds.back().Settings, false)) {
+        return false;
+    }
+
+    return true;
+}
+
 static std::pair<TString, TString> TableKeyImpl(const std::pair<bool, TString>& nameWithAt, TString view, TTranslation& ctx) {
     if (nameWithAt.first) {
         view = "@";
@@ -845,11 +845,11 @@ protected:
     bool FillFamilySettingsEntry(const TRule_family_settings_entry& settingNode, TFamilyEntry& family);
     bool FillFamilySettings(const TRule_family_settings& settingsNode, TFamilyEntry& family);
     bool CreateTableSettings(const TRule_with_table_settings& settingsNode, TTableSettings& settings);
-    bool StoreTableSettingsEntry(const TIdentifier& id, const TRule_table_setting_value* value, TTableSettings& settings, 
-        bool alter, bool reset); 
+    bool StoreTableSettingsEntry(const TIdentifier& id, const TRule_table_setting_value* value, TTableSettings& settings,
+        bool alter, bool reset);
     bool StoreTableSettingsEntry(const TIdentifier& id, const TRule_table_setting_value& value, TTableSettings& settings,
         bool alter = false);
-    bool ResetTableSettingsEntry(const TIdentifier& id, TTableSettings& settings); 
+    bool ResetTableSettingsEntry(const TIdentifier& id, TTableSettings& settings);
 
     TNodePtr TypeSimple(const TRule_type_name_simple& node, bool onlyDataAllowed);
     TNodePtr TypeDecimal(const TRule_type_name_decimal& node);
@@ -1948,15 +1948,15 @@ bool TSqlTranslation::CreateTableEntry(const TRule_create_table_entry& node, TCr
             params.ColumnFamilies.push_back(family);
             break;
         }
-        case TRule_create_table_entry::kAltCreateTableEntry5: 
-        { 
-            // changefeed 
-            auto& changefeed = node.GetAlt_create_table_entry5().GetRule_changefeed1(); 
-            if (!CreateChangefeed(changefeed, *this, params.Changefeeds)) { 
-                return false; 
-            } 
-            break; 
-        } 
+        case TRule_create_table_entry::kAltCreateTableEntry5:
+        {
+            // changefeed
+            auto& changefeed = node.GetAlt_create_table_entry5().GetRule_changefeed1();
+            if (!CreateChangefeed(changefeed, *this, params.Changefeeds)) {
+                return false;
+            }
+            break;
+        }
         default:
             AltNotImplemented("create_table_entry", node);
             return false;
@@ -2098,30 +2098,30 @@ namespace {
         }
         return true;
     }
- 
-    bool StoreTtlSettings(const TRule_table_setting_value& from, TResetableSetting<TTtlSettings, void>& to, 
-            TSqlExpression& expr, TContext& ctx, TTranslation& txc) { 
-        switch (from.Alt_case()) { 
-        case TRule_table_setting_value::kAltTableSettingValue5: { 
-            auto columnName = IdEx(from.GetAlt_table_setting_value5().GetRule_an_id3(), txc); 
-            auto exprNode = expr.Build(from.GetAlt_table_setting_value5().GetRule_expr1()); 
-            if (!exprNode) { 
-                return false; 
-            } 
- 
-            if (exprNode->GetOpName() != "Interval") { 
-                ctx.Error() << "Literal of Interval type is expected for TTL"; 
-                return false; 
-            } 
- 
-            to.Set(TTtlSettings(columnName, exprNode)); 
-            break; 
-        } 
-        default: 
-            return false; 
-        } 
-        return true; 
-    } 
+
+    bool StoreTtlSettings(const TRule_table_setting_value& from, TResetableSetting<TTtlSettings, void>& to,
+            TSqlExpression& expr, TContext& ctx, TTranslation& txc) {
+        switch (from.Alt_case()) {
+        case TRule_table_setting_value::kAltTableSettingValue5: {
+            auto columnName = IdEx(from.GetAlt_table_setting_value5().GetRule_an_id3(), txc);
+            auto exprNode = expr.Build(from.GetAlt_table_setting_value5().GetRule_expr1());
+            if (!exprNode) {
+                return false;
+            }
+
+            if (exprNode->GetOpName() != "Interval") {
+                ctx.Error() << "Literal of Interval type is expected for TTL";
+                return false;
+            }
+
+            to.Set(TTtlSettings(columnName, exprNode));
+            break;
+        }
+        default:
+            return false;
+        }
+        return true;
+    }
 
     bool WithoutAlpha(const std::string_view& literal) {
         return literal.cend() == std::find_if(literal.cbegin(), literal.cend(), [](char c) { return std::isalpha(c) || (c & '\x80'); });
@@ -2170,113 +2170,113 @@ namespace {
     }
 }
 
-bool TSqlTranslation::StoreTableSettingsEntry(const TIdentifier& id, const TRule_table_setting_value* value, 
-        TTableSettings& settings, bool alter, bool reset) { 
-    YQL_ENSURE(value || reset); 
-    YQL_ENSURE(!reset || reset & alter); 
- 
+bool TSqlTranslation::StoreTableSettingsEntry(const TIdentifier& id, const TRule_table_setting_value* value,
+        TTableSettings& settings, bool alter, bool reset) {
+    YQL_ENSURE(value || reset);
+    YQL_ENSURE(!reset || reset & alter);
+
     if (to_lower(id.Name) == "compaction_policy") {
-        if (reset) { 
-            Ctx.Error() << to_upper(id.Name) << " reset is not supported"; 
+        if (reset) {
+            Ctx.Error() << to_upper(id.Name) << " reset is not supported";
+            return false;
+        }
+        if (!StoreString(*value, settings.CompactionPolicy, Ctx)) {
+            Ctx.Error() << to_upper(id.Name) << " value should be a string literal";
             return false;
         }
-        if (!StoreString(*value, settings.CompactionPolicy, Ctx)) { 
-            Ctx.Error() << to_upper(id.Name) << " value should be a string literal"; 
-            return false; 
-        } 
     } else if (to_lower(id.Name) == "auto_partitioning_by_size") {
-        if (reset) { 
-            Ctx.Error() << to_upper(id.Name) << " reset is not supported"; 
+        if (reset) {
+            Ctx.Error() << to_upper(id.Name) << " reset is not supported";
+            return false;
+        }
+        if (!StoreId(*value, settings.AutoPartitioningBySize, *this)) {
+            Ctx.Error() << to_upper(id.Name) << " value should be an identifier";
             return false;
         }
-        if (!StoreId(*value, settings.AutoPartitioningBySize, *this)) { 
-            Ctx.Error() << to_upper(id.Name) << " value should be an identifier"; 
-            return false; 
-        } 
     } else if (to_lower(id.Name) == "auto_partitioning_partition_size_mb") {
-        if (reset) { 
-            Ctx.Error() << to_upper(id.Name) << " reset is not supported"; 
+        if (reset) {
+            Ctx.Error() << to_upper(id.Name) << " reset is not supported";
+            return false;
+        }
+        if (!StoreInt(*value, settings.PartitionSizeMb, Ctx)) {
+            Ctx.Error() << to_upper(id.Name) << " value should be an integer";
             return false;
         }
-        if (!StoreInt(*value, settings.PartitionSizeMb, Ctx)) { 
-            Ctx.Error() << to_upper(id.Name) << " value should be an integer"; 
-            return false; 
-        } 
     } else if (to_lower(id.Name) == "auto_partitioning_by_load") {
-        if (reset) { 
-            Ctx.Error() << to_upper(id.Name) << " reset is not supported"; 
+        if (reset) {
+            Ctx.Error() << to_upper(id.Name) << " reset is not supported";
+            return false;
+        }
+        if (!StoreId(*value, settings.AutoPartitioningByLoad, *this)) {
+            Ctx.Error() << to_upper(id.Name) << " value should be an identifier";
             return false;
         }
-        if (!StoreId(*value, settings.AutoPartitioningByLoad, *this)) { 
-            Ctx.Error() << to_upper(id.Name) << " value should be an identifier"; 
-            return false; 
-        } 
     } else if (to_lower(id.Name) == "auto_partitioning_min_partitions_count") {
-        if (reset) { 
-            Ctx.Error() << to_upper(id.Name) << " reset is not supported"; 
+        if (reset) {
+            Ctx.Error() << to_upper(id.Name) << " reset is not supported";
+            return false;
+        }
+        if (!StoreInt(*value, settings.MinPartitions, Ctx)) {
+            Ctx.Error() << to_upper(id.Name) << " value should be an integer";
             return false;
         }
-        if (!StoreInt(*value, settings.MinPartitions, Ctx)) { 
-            Ctx.Error() << to_upper(id.Name) << " value should be an integer"; 
-            return false; 
-        } 
     } else if (to_lower(id.Name) == "auto_partitioning_max_partitions_count") {
-        if (reset) { 
-            Ctx.Error() << to_upper(id.Name) << " reset is not supported"; 
+        if (reset) {
+            Ctx.Error() << to_upper(id.Name) << " reset is not supported";
+            return false;
+        }
+        if (!StoreInt(*value, settings.MaxPartitions, Ctx)) {
+            Ctx.Error() << to_upper(id.Name) << " value should be an integer";
             return false;
         }
-        if (!StoreInt(*value, settings.MaxPartitions, Ctx)) { 
-            Ctx.Error() << to_upper(id.Name) << " value should be an integer"; 
-            return false; 
-        } 
     } else if (to_lower(id.Name) == "uniform_partitions") {
         if (alter) {
-            Ctx.Error() << to_upper(id.Name) << " alter is not supported"; 
+            Ctx.Error() << to_upper(id.Name) << " alter is not supported";
             return false;
         }
-        if (!StoreInt(*value, settings.UniformPartitions, Ctx)) { 
-            Ctx.Error() << to_upper(id.Name) << " value should be an integer"; 
+        if (!StoreInt(*value, settings.UniformPartitions, Ctx)) {
+            Ctx.Error() << to_upper(id.Name) << " value should be an integer";
             return false;
         }
     } else if (to_lower(id.Name) == "partition_at_keys") {
         if (alter) {
-            Ctx.Error() << to_upper(id.Name) << " alter is not supported"; 
+            Ctx.Error() << to_upper(id.Name) << " alter is not supported";
             return false;
         }
         TSqlExpression expr(Ctx, Mode);
-        if (!StoreSplitBoundaries(*value, settings.PartitionAtKeys, expr, Ctx)) { 
-            Ctx.Error() << to_upper(id.Name) << " value should be a list of keys. " 
+        if (!StoreSplitBoundaries(*value, settings.PartitionAtKeys, expr, Ctx)) {
+            Ctx.Error() << to_upper(id.Name) << " value should be a list of keys. "
                 << "Example1: (10, 1000)  Example2: ((10), (1000, \"abc\"))";
             return false;
         }
     } else if (to_lower(id.Name) == "key_bloom_filter") {
-        if (reset) { 
-            Ctx.Error() << to_upper(id.Name) << " reset is not supported"; 
+        if (reset) {
+            Ctx.Error() << to_upper(id.Name) << " reset is not supported";
+            return false;
+        }
+        if (!StoreId(*value, settings.KeyBloomFilter, *this)) {
+            Ctx.Error() << to_upper(id.Name) << " value should be an identifier";
             return false;
         }
-        if (!StoreId(*value, settings.KeyBloomFilter, *this)) { 
-            Ctx.Error() << to_upper(id.Name) << " value should be an identifier"; 
-            return false; 
-        } 
     } else if (to_lower(id.Name) == "read_replicas_settings") {
-        if (reset) { 
-            Ctx.Error() << to_upper(id.Name) << " reset is not supported"; 
+        if (reset) {
+            Ctx.Error() << to_upper(id.Name) << " reset is not supported";
             return false;
         }
-        if (!StoreString(*value, settings.ReadReplicasSettings, Ctx)) { 
-            Ctx.Error() << to_upper(id.Name) << " value should be a string literal"; 
-            return false; 
-        } 
-    } else if (to_lower(id.Name) == "ttl") { 
-        if (!reset) { 
-            TSqlExpression expr(Ctx, Mode); 
-            if (!StoreTtlSettings(*value, settings.TtlSettings, expr, Ctx, *this)) { 
-                Ctx.Error() << "Invalid TTL settings"; 
-                return false; 
-            } 
-        } else { 
-            settings.TtlSettings.Reset(); 
-        } 
+        if (!StoreString(*value, settings.ReadReplicasSettings, Ctx)) {
+            Ctx.Error() << to_upper(id.Name) << " value should be a string literal";
+            return false;
+        }
+    } else if (to_lower(id.Name) == "ttl") {
+        if (!reset) {
+            TSqlExpression expr(Ctx, Mode);
+            if (!StoreTtlSettings(*value, settings.TtlSettings, expr, Ctx, *this)) {
+                Ctx.Error() << "Invalid TTL settings";
+                return false;
+            }
+        } else {
+            settings.TtlSettings.Reset();
+        }
     } else {
         Ctx.Error() << "Unknown table setting: " << id.Name;
         return false;
@@ -2284,15 +2284,15 @@ bool TSqlTranslation::StoreTableSettingsEntry(const TIdentifier& id, const TRule
     return true;
 }
 
-bool TSqlTranslation::StoreTableSettingsEntry(const TIdentifier& id, const TRule_table_setting_value& value, 
-        TTableSettings& settings, bool alter) { 
-    return StoreTableSettingsEntry(id, &value, settings, alter, false); 
-} 
- 
-bool TSqlTranslation::ResetTableSettingsEntry(const TIdentifier& id, TTableSettings& settings) { 
-    return StoreTableSettingsEntry(id, nullptr, settings, true, true); 
-} 
- 
+bool TSqlTranslation::StoreTableSettingsEntry(const TIdentifier& id, const TRule_table_setting_value& value,
+        TTableSettings& settings, bool alter) {
+    return StoreTableSettingsEntry(id, &value, settings, alter, false);
+}
+
+bool TSqlTranslation::ResetTableSettingsEntry(const TIdentifier& id, TTableSettings& settings) {
+    return StoreTableSettingsEntry(id, nullptr, settings, true, true);
+}
+
 bool TSqlTranslation::CreateTableSettings(const TRule_with_table_settings& settingsNode, TTableSettings& settings) {
     const auto& firstEntry = settingsNode.GetRule_table_settings_entry3();
     if (!StoreTableSettingsEntry(IdEx(firstEntry.GetRule_an_id1(), *this), firstEntry.GetRule_table_setting_value3(),
@@ -8154,15 +8154,15 @@ private:
     bool AlterTableAlterColumn(const TRule_alter_table_alter_column& node, TAlterTableParameters& params);
     bool AlterTableAddFamily(const TRule_family_entry& node, TAlterTableParameters& params);
     bool AlterTableAlterFamily(const TRule_alter_table_alter_column_family& node, TAlterTableParameters& params);
-    bool AlterTableSetTableSetting(const TRule_alter_table_set_table_setting_uncompat& node, TAlterTableParameters& params); 
-    bool AlterTableSetTableSetting(const TRule_alter_table_set_table_setting_compat& node, TAlterTableParameters& params); 
-    bool AlterTableResetTableSetting(const TRule_alter_table_reset_table_setting& node, TAlterTableParameters& params); 
+    bool AlterTableSetTableSetting(const TRule_alter_table_set_table_setting_uncompat& node, TAlterTableParameters& params);
+    bool AlterTableSetTableSetting(const TRule_alter_table_set_table_setting_compat& node, TAlterTableParameters& params);
+    bool AlterTableResetTableSetting(const TRule_alter_table_reset_table_setting& node, TAlterTableParameters& params);
     bool AlterTableAddIndex(const TRule_alter_table_add_index& node, TAlterTableParameters& params);
     void AlterTableDropIndex(const TRule_alter_table_drop_index& node, TAlterTableParameters& params);
     void AlterTableRenameTo(const TRule_alter_table_rename_to& node, TAlterTableParameters& params);
-    bool AlterTableAddChangefeed(const TRule_alter_table_add_changefeed& node, TAlterTableParameters& params); 
-    bool AlterTableAlterChangefeed(const TRule_alter_table_alter_changefeed& node, TAlterTableParameters& params); 
-    void AlterTableDropChangefeed(const TRule_alter_table_drop_changefeed& node, TAlterTableParameters& params); 
+    bool AlterTableAddChangefeed(const TRule_alter_table_add_changefeed& node, TAlterTableParameters& params);
+    bool AlterTableAlterChangefeed(const TRule_alter_table_alter_changefeed& node, TAlterTableParameters& params);
+    void AlterTableDropChangefeed(const TRule_alter_table_drop_changefeed& node, TAlterTableParameters& params);
     TNodePtr PragmaStatement(const TRule_pragma_stmt& stmt, bool& success);
     void AddStatementToBlocks(TVector<TNodePtr>& blocks, TNodePtr node);
 
@@ -8877,29 +8877,29 @@ bool TSqlQuery::AlterTableAction(const TRule_alter_table_action& node, TAlterTab
         break;
     }
     case TRule_alter_table_action::kAltAlterTableAction6: {
-        // SET (uncompat) 
-        const auto& setRule = node.GetAlt_alter_table_action6().GetRule_alter_table_set_table_setting_uncompat1(); 
+        // SET (uncompat)
+        const auto& setRule = node.GetAlt_alter_table_action6().GetRule_alter_table_set_table_setting_uncompat1();
         if (!AlterTableSetTableSetting(setRule, params)) {
             return false;
         }
         break;
     }
-    case TRule_alter_table_action::kAltAlterTableAction7: { 
-        // SET (compat) 
-        const auto& setRule = node.GetAlt_alter_table_action7().GetRule_alter_table_set_table_setting_compat1(); 
-        if (!AlterTableSetTableSetting(setRule, params)) { 
-            return false; 
-        } 
-        break; 
-    } 
-    case TRule_alter_table_action::kAltAlterTableAction8: { 
-        // RESET 
-        const auto& setRule = node.GetAlt_alter_table_action8().GetRule_alter_table_reset_table_setting1(); 
-        if (!AlterTableResetTableSetting(setRule, params)) { 
-            return false; 
-        } 
-        break; 
-    } 
+    case TRule_alter_table_action::kAltAlterTableAction7: {
+        // SET (compat)
+        const auto& setRule = node.GetAlt_alter_table_action7().GetRule_alter_table_set_table_setting_compat1();
+        if (!AlterTableSetTableSetting(setRule, params)) {
+            return false;
+        }
+        break;
+    }
+    case TRule_alter_table_action::kAltAlterTableAction8: {
+        // RESET
+        const auto& setRule = node.GetAlt_alter_table_action8().GetRule_alter_table_reset_table_setting1();
+        if (!AlterTableResetTableSetting(setRule, params)) {
+            return false;
+        }
+        break;
+    }
     case TRule_alter_table_action::kAltAlterTableAction9: {
         // ADD INDEX
         const auto& addIndex = node.GetAlt_alter_table_action9().GetRule_alter_table_add_index1();
@@ -8926,28 +8926,28 @@ bool TSqlQuery::AlterTableAction(const TRule_alter_table_action& node, TAlterTab
         AlterTableRenameTo(renameTo, params);
         break;
     }
-    case TRule_alter_table_action::kAltAlterTableAction12: { 
-        // ADD CHANGEFEED 
-        const auto& rule = node.GetAlt_alter_table_action12().GetRule_alter_table_add_changefeed1(); 
-        if (!AlterTableAddChangefeed(rule, params)) { 
-            return false; 
-        } 
-        break; 
-    } 
-    case TRule_alter_table_action::kAltAlterTableAction13: { 
-        // ALTER CHANGEFEED 
-        const auto& rule = node.GetAlt_alter_table_action13().GetRule_alter_table_alter_changefeed1(); 
-        if (!AlterTableAlterChangefeed(rule, params)) { 
-            return false; 
-        } 
-        break; 
-    } 
-    case TRule_alter_table_action::kAltAlterTableAction14: { 
-        // DROP CHANGEFEED 
-        const auto& rule = node.GetAlt_alter_table_action14().GetRule_alter_table_drop_changefeed1(); 
-        AlterTableDropChangefeed(rule, params); 
-        break; 
-    } 
+    case TRule_alter_table_action::kAltAlterTableAction12: {
+        // ADD CHANGEFEED
+        const auto& rule = node.GetAlt_alter_table_action12().GetRule_alter_table_add_changefeed1();
+        if (!AlterTableAddChangefeed(rule, params)) {
+            return false;
+        }
+        break;
+    }
+    case TRule_alter_table_action::kAltAlterTableAction13: {
+        // ALTER CHANGEFEED
+        const auto& rule = node.GetAlt_alter_table_action13().GetRule_alter_table_alter_changefeed1();
+        if (!AlterTableAlterChangefeed(rule, params)) {
+            return false;
+        }
+        break;
+    }
+    case TRule_alter_table_action::kAltAlterTableAction14: {
+        // DROP CHANGEFEED
+        const auto& rule = node.GetAlt_alter_table_action14().GetRule_alter_table_drop_changefeed1();
+        AlterTableDropChangefeed(rule, params);
+        break;
+    }
 
     default:
         AltNotImplemented("alter_table_action", node);
@@ -9037,7 +9037,7 @@ bool TSqlQuery::AlterTableAlterFamily(const TRule_alter_table_alter_column_famil
     return true;
 }
 
-bool TSqlQuery::AlterTableSetTableSetting(const TRule_alter_table_set_table_setting_uncompat& node, 
+bool TSqlQuery::AlterTableSetTableSetting(const TRule_alter_table_set_table_setting_uncompat& node,
         TAlterTableParameters& params)
 {
     if (!StoreTableSettingsEntry(IdEx(node.GetRule_an_id2(), *this), node.GetRule_table_setting_value3(),
@@ -9047,40 +9047,40 @@ bool TSqlQuery::AlterTableSetTableSetting(const TRule_alter_table_set_table_sett
     return true;
 }
 
-bool TSqlQuery::AlterTableSetTableSetting(const TRule_alter_table_set_table_setting_compat& node, 
-        TAlterTableParameters& params) 
-{ 
-    const auto& firstEntry = node.GetRule_alter_table_setting_entry3(); 
-    if (!StoreTableSettingsEntry(IdEx(firstEntry.GetRule_an_id1(), *this), firstEntry.GetRule_table_setting_value3(), 
-        params.TableSettings, true)) { 
-        return false; 
-    } 
-    for (auto& block : node.GetBlock4()) { 
-        const auto& entry = block.GetRule_alter_table_setting_entry2(); 
-        if (!StoreTableSettingsEntry(IdEx(entry.GetRule_an_id1(), *this), entry.GetRule_table_setting_value3(), 
-            params.TableSettings, true)) { 
-            return false; 
-        } 
-    } 
-    return true; 
-} 
- 
-bool TSqlQuery::AlterTableResetTableSetting(const TRule_alter_table_reset_table_setting& node, 
-        TAlterTableParameters& params) 
-{ 
-    const auto& firstEntry = node.GetRule_an_id3(); 
-    if (!ResetTableSettingsEntry(IdEx(firstEntry, *this), params.TableSettings)) { 
-        return false; 
-    } 
-    for (auto& block : node.GetBlock4()) { 
-        const auto& entry = block.GetRule_an_id2(); 
-        if (!ResetTableSettingsEntry(IdEx(entry, *this), params.TableSettings)) { 
-            return false; 
-        } 
-    } 
-    return true; 
-} 
- 
+bool TSqlQuery::AlterTableSetTableSetting(const TRule_alter_table_set_table_setting_compat& node,
+        TAlterTableParameters& params)
+{
+    const auto& firstEntry = node.GetRule_alter_table_setting_entry3();
+    if (!StoreTableSettingsEntry(IdEx(firstEntry.GetRule_an_id1(), *this), firstEntry.GetRule_table_setting_value3(),
+        params.TableSettings, true)) {
+        return false;
+    }
+    for (auto& block : node.GetBlock4()) {
+        const auto& entry = block.GetRule_alter_table_setting_entry2();
+        if (!StoreTableSettingsEntry(IdEx(entry.GetRule_an_id1(), *this), entry.GetRule_table_setting_value3(),
+            params.TableSettings, true)) {
+            return false;
+        }
+    }
+    return true;
+}
+
+bool TSqlQuery::AlterTableResetTableSetting(const TRule_alter_table_reset_table_setting& node,
+        TAlterTableParameters& params)
+{
+    const auto& firstEntry = node.GetRule_an_id3();
+    if (!ResetTableSettingsEntry(IdEx(firstEntry, *this), params.TableSettings)) {
+        return false;
+    }
+    for (auto& block : node.GetBlock4()) {
+        const auto& entry = block.GetRule_an_id2();
+        if (!ResetTableSettingsEntry(IdEx(entry, *this), params.TableSettings)) {
+            return false;
+        }
+    }
+    return true;
+}
+
 bool TSqlQuery::AlterTableAddIndex(const TRule_alter_table_add_index& node, TAlterTableParameters& params) {
     if (!CreateTableIndex(node.GetRule_table_index2(), *this, params.AddIndexes)) {
         return false;
@@ -9096,41 +9096,41 @@ void TSqlQuery::AlterTableRenameTo(const TRule_alter_table_rename_to& node, TAlt
     params.RenameTo = IdEx(node.GetRule_an_id_table3(), *this);
 }
 
-bool TSqlQuery::AlterTableAddChangefeed(const TRule_alter_table_add_changefeed& node, TAlterTableParameters& params) { 
-    return CreateChangefeed(node.GetRule_changefeed2(), *this, params.AddChangefeeds); 
-} 
- 
-bool TSqlQuery::AlterTableAlterChangefeed(const TRule_alter_table_alter_changefeed& node, TAlterTableParameters& params) { 
-    params.AlterChangefeeds.emplace_back(IdEx(node.GetRule_an_id3(), *this)); 
- 
-    const auto& alter = node.GetRule_changefeed_alter_settings4(); 
-    switch (alter.Alt_case()) { 
-        case TRule_changefeed_alter_settings::kAltChangefeedAlterSettings1: { 
-            // DISABLE 
-            params.AlterChangefeeds.back().Disable = true; 
-            break; 
-        } 
-        case TRule_changefeed_alter_settings::kAltChangefeedAlterSettings2: { 
-            // SET 
-            const auto& rule = alter.GetAlt_changefeed_alter_settings2().GetRule_changefeed_settings3(); 
-            if (!ChangefeedSettings(rule, *this, params.AlterChangefeeds.back().Settings, true)) { 
-                return false; 
-            } 
-            break; 
-        } 
- 
-        default: 
-            AltNotImplemented("changefeed_alter_settings", alter); 
-            return false; 
-    } 
- 
-    return true; 
-} 
- 
-void TSqlQuery::AlterTableDropChangefeed(const TRule_alter_table_drop_changefeed& node, TAlterTableParameters& params) { 
-    params.DropChangefeeds.emplace_back(IdEx(node.GetRule_an_id3(), *this)); 
-} 
- 
+bool TSqlQuery::AlterTableAddChangefeed(const TRule_alter_table_add_changefeed& node, TAlterTableParameters& params) {
+    return CreateChangefeed(node.GetRule_changefeed2(), *this, params.AddChangefeeds);
+}
+
+bool TSqlQuery::AlterTableAlterChangefeed(const TRule_alter_table_alter_changefeed& node, TAlterTableParameters& params) {
+    params.AlterChangefeeds.emplace_back(IdEx(node.GetRule_an_id3(), *this));
+
+    const auto& alter = node.GetRule_changefeed_alter_settings4();
+    switch (alter.Alt_case()) {
+        case TRule_changefeed_alter_settings::kAltChangefeedAlterSettings1: {
+            // DISABLE
+            params.AlterChangefeeds.back().Disable = true;
+            break;
+        }
+        case TRule_changefeed_alter_settings::kAltChangefeedAlterSettings2: {
+            // SET
+            const auto& rule = alter.GetAlt_changefeed_alter_settings2().GetRule_changefeed_settings3();
+            if (!ChangefeedSettings(rule, *this, params.AlterChangefeeds.back().Settings, true)) {
+                return false;
+            }
+            break;
+        }
+
+        default:
+            AltNotImplemented("changefeed_alter_settings", alter);
+            return false;
+    }
+
+    return true;
+}
+
+void TSqlQuery::AlterTableDropChangefeed(const TRule_alter_table_drop_changefeed& node, TAlterTableParameters& params) {
+    params.DropChangefeeds.emplace_back(IdEx(node.GetRule_an_id3(), *this));
+}
+
 TNodePtr TSqlQuery::PragmaStatement(const TRule_pragma_stmt& stmt, bool& success) {
     success = false;
     const TString& prefix = OptIdPrefixAsStr(stmt.GetRule_opt_id_prefix_or_type2(), *this);
diff --git a/ydb/library/yql/sql/v1/sql_ut.cpp b/ydb/library/yql/sql/v1/sql_ut.cpp
index 33d78cb1af..85b6e0dfcd 100644
--- a/ydb/library/yql/sql/v1/sql_ut.cpp
+++ b/ydb/library/yql/sql/v1/sql_ut.cpp
@@ -203,21 +203,21 @@ Y_UNIT_TEST_SUITE(SqlParsingOnly) {
         UNIT_ASSERT(SqlToYql("USE plato; SELECT FAMILY FROM Input").IsOk());
     }
 
-    Y_UNIT_TEST(ResetKeywordNotReservedForNames) { 
-        UNIT_ASSERT(SqlToYql("USE plato; CREATE TABLE RESET (RESET Uint32, PRIMARY KEY (RESET));").IsOk()); 
-        UNIT_ASSERT(SqlToYql("USE plato; SELECT RESET FROM RESET").IsOk()); 
-    } 
- 
-    Y_UNIT_TEST(SyncKeywordNotReservedForNames) { 
-        UNIT_ASSERT(SqlToYql("USE plato; CREATE TABLE SYNC (SYNC Uint32, PRIMARY KEY (SYNC));").IsOk()); 
-        UNIT_ASSERT(SqlToYql("USE plato; SELECT SYNC FROM SYNC").IsOk()); 
-    } 
- 
-    Y_UNIT_TEST(AsyncKeywordNotReservedForNames) { 
-        UNIT_ASSERT(SqlToYql("USE plato; CREATE TABLE ASYNC (ASYNC Uint32, PRIMARY KEY (ASYNC));").IsOk()); 
-        UNIT_ASSERT(SqlToYql("USE plato; SELECT ASYNC FROM ASYNC").IsOk()); 
-    } 
- 
+    Y_UNIT_TEST(ResetKeywordNotReservedForNames) {
+        UNIT_ASSERT(SqlToYql("USE plato; CREATE TABLE RESET (RESET Uint32, PRIMARY KEY (RESET));").IsOk());
+        UNIT_ASSERT(SqlToYql("USE plato; SELECT RESET FROM RESET").IsOk());
+    }
+
+    Y_UNIT_TEST(SyncKeywordNotReservedForNames) {
+        UNIT_ASSERT(SqlToYql("USE plato; CREATE TABLE SYNC (SYNC Uint32, PRIMARY KEY (SYNC));").IsOk());
+        UNIT_ASSERT(SqlToYql("USE plato; SELECT SYNC FROM SYNC").IsOk());
+    }
+
+    Y_UNIT_TEST(AsyncKeywordNotReservedForNames) {
+        UNIT_ASSERT(SqlToYql("USE plato; CREATE TABLE ASYNC (ASYNC Uint32, PRIMARY KEY (ASYNC));").IsOk());
+        UNIT_ASSERT(SqlToYql("USE plato; SELECT ASYNC FROM ASYNC").IsOk());
+    }
+
     Y_UNIT_TEST(Jubilee) {
         NYql::TAstParseResult res = SqlToYql("USE plato; INSERT INTO Arcadia (r2000000) VALUES (\"2M GET!!!\");");
         UNIT_ASSERT(res.Root);
@@ -1392,28 +1392,28 @@ Y_UNIT_TEST_SUITE(SqlParsingOnly) {
 
         UNIT_ASSERT_VALUES_EQUAL(1, elementStat["Write"]);
     }
- 
-    Y_UNIT_TEST(TtlParseCorrect) { 
-        NYql::TAstParseResult res = SqlToYql( 
-            R"( USE plato; 
-                CREATE TABLE tableName (Key Uint32, CreatedAt Timestamp, PRIMARY KEY (Key)) 
-                WITH ( TTL = Interval("P1D") On CreatedAt);)" 
-        ); 
-        UNIT_ASSERT(res.Root); 
- 
-        TVerifyLineFunc verifyLine = [](const TString& word, const TString& line) { 
-            if (word == "Write") { 
-                UNIT_ASSERT_VALUES_UNEQUAL(TString::npos, line.find("setTtlSettings")); 
-                UNIT_ASSERT_VALUES_UNEQUAL(TString::npos, line.find("expireAfter")); 
-                UNIT_ASSERT_VALUES_UNEQUAL(TString::npos, line.find("86400000")); 
-            } 
-        }; 
- 
-        TWordCountHive elementStat = { {TString("Write"), 0} }; 
-        VerifyProgram(res, elementStat, verifyLine); 
- 
-        UNIT_ASSERT_VALUES_EQUAL(1, elementStat["Write"]); 
-    } 
+
+    Y_UNIT_TEST(TtlParseCorrect) {
+        NYql::TAstParseResult res = SqlToYql(
+            R"( USE plato;
+                CREATE TABLE tableName (Key Uint32, CreatedAt Timestamp, PRIMARY KEY (Key))
+                WITH ( TTL = Interval("P1D") On CreatedAt);)"
+        );
+        UNIT_ASSERT(res.Root);
+
+        TVerifyLineFunc verifyLine = [](const TString& word, const TString& line) {
+            if (word == "Write") {
+                UNIT_ASSERT_VALUES_UNEQUAL(TString::npos, line.find("setTtlSettings"));
+                UNIT_ASSERT_VALUES_UNEQUAL(TString::npos, line.find("expireAfter"));
+                UNIT_ASSERT_VALUES_UNEQUAL(TString::npos, line.find("86400000"));
+            }
+        };
+
+        TWordCountHive elementStat = { {TString("Write"), 0} };
+        VerifyProgram(res, elementStat, verifyLine);
+
+        UNIT_ASSERT_VALUES_EQUAL(1, elementStat["Write"]);
+    }
 
     Y_UNIT_TEST(CloneForAsTableWorksWithCube) {
         UNIT_ASSERT(SqlToYql("SELECT * FROM AS_TABLE([<|k1:1, k2:1|>]) GROUP BY CUBE(k1, k2);").IsOk());
@@ -2943,18 +2943,18 @@ select FormatType($f());
         UNIT_ASSERT_NO_DIFF(Err2Str(res), "<main>:4:3: Warning: ORDER BY without LIMIT in subquery will be ignored, code: 4504\n"
                                           "<main>:6:39: Error: Unknown correlation name: t\n");
     }
- 
-    Y_UNIT_TEST(InvalidTtl) { 
-        auto req = R"( 
-            USE plato; 
-            CREATE TABLE tableName (Key Uint32, CreatedAt Timestamp, PRIMARY KEY (Key)) 
-            WITH ( TTL = 1 On ExpireAt ); 
-        )"; 
-        auto res = SqlToYql(req); 
-        UNIT_ASSERT(!res.Root); 
-        UNIT_ASSERT_NO_DIFF(Err2Str(res), "<main>:4:26: Error: Literal of Interval type is expected for TTL\n" 
-                                          "<main>:4:26: Error: Invalid TTL settings\n"); 
-    } 
+
+    Y_UNIT_TEST(InvalidTtl) {
+        auto req = R"(
+            USE plato;
+            CREATE TABLE tableName (Key Uint32, CreatedAt Timestamp, PRIMARY KEY (Key))
+            WITH ( TTL = 1 On ExpireAt );
+        )";
+        auto res = SqlToYql(req);
+        UNIT_ASSERT(!res.Root);
+        UNIT_ASSERT_NO_DIFF(Err2Str(res), "<main>:4:26: Error: Literal of Interval type is expected for TTL\n"
+                                          "<main>:4:26: Error: Invalid TTL settings\n");
+    }
 
     Y_UNIT_TEST(ErrJoinWithGroupingSetsWithoutCorrelationName) {
         auto req = "USE plato;\n"
diff --git a/ydb/library/yql/utils/resetable_setting.h b/ydb/library/yql/utils/resetable_setting.h
index febe750af9..0112105a3b 100644
--- a/ydb/library/yql/utils/resetable_setting.h
+++ b/ydb/library/yql/utils/resetable_setting.h
@@ -1,67 +1,67 @@
-#pragma once 
- 
-#include "yql_panic.h" 
- 
-#include <util/generic/maybe.h> 
-#include <util/generic/variant.h> 
- 
-namespace NYql { 
- 
-template <typename S, typename R> 
-class TResetableSettingBase { 
-protected: 
-    using TSet = S; 
-    using TReset = R; 
- 
-public: 
-    void Set(const TSet& value) { 
-        Value.ConstructInPlace(value); 
-    } 
- 
-    void Reset(const TReset& value) { 
-        Value.ConstructInPlace(value); 
-    } 
- 
-    bool Defined() const { 
-        return Value.Defined(); 
-    } 
- 
-    explicit operator bool() const { 
-        return Defined(); 
-    } 
- 
-    bool IsSet() const { 
-        YQL_ENSURE(Defined()); 
-        return Value->index() == 0; 
-    } 
- 
-    const TSet& GetValueSet() const { 
-        YQL_ENSURE(IsSet()); 
+#pragma once
+
+#include "yql_panic.h"
+
+#include <util/generic/maybe.h>
+#include <util/generic/variant.h>
+
+namespace NYql {
+
+template <typename S, typename R>
+class TResetableSettingBase {
+protected:
+    using TSet = S;
+    using TReset = R;
+
+public:
+    void Set(const TSet& value) {
+        Value.ConstructInPlace(value);
+    }
+
+    void Reset(const TReset& value) {
+        Value.ConstructInPlace(value);
+    }
+
+    bool Defined() const {
+        return Value.Defined();
+    }
+
+    explicit operator bool() const {
+        return Defined();
+    }
+
+    bool IsSet() const {
+        YQL_ENSURE(Defined());
+        return Value->index() == 0;
+    }
+
+    const TSet& GetValueSet() const {
+        YQL_ENSURE(IsSet());
         return std::get<TSet>(*Value);
-    } 
- 
-    const TReset& GetValueReset() const { 
-        YQL_ENSURE(!IsSet()); 
+    }
+
+    const TReset& GetValueReset() const {
+        YQL_ENSURE(!IsSet());
         return std::get<TReset>(*Value);
-    } 
- 
-private: 
+    }
+
+private:
     TMaybe<std::variant<TSet, TReset>> Value;
-}; 
- 
-template <typename S, typename R> 
-class TResetableSetting: public TResetableSettingBase<S, R> { 
-}; 
- 
-template <typename S> 
-class TResetableSetting<S, void>: public TResetableSettingBase<S, TNothing> { 
-private: 
-    const TNothing& GetValueReset() const; 
- 
-public: 
-    void Reset() { 
-        TResetableSettingBase<S, TNothing>::Reset(Nothing()); 
-    } 
-}; 
- 
-} 
+};
+
+template <typename S, typename R>
+class TResetableSetting: public TResetableSettingBase<S, R> {
+};
+
+template <typename S>
+class TResetableSetting<S, void>: public TResetableSettingBase<S, TNothing> {
+private:
+    const TNothing& GetValueReset() const;
+
+public:
+    void Reset() {
+        TResetableSettingBase<S, TNothing>::Reset(Nothing());
+    }
+};
+
+}
diff --git a/ydb/library/yql/utils/ya.make b/ydb/library/yql/utils/ya.make
index f02c3931eb..afba70be53 100644
--- a/ydb/library/yql/utils/ya.make
+++ b/ydb/library/yql/utils/ya.make
@@ -25,7 +25,7 @@ SRCS(
     proc_alive.h
     rand_guid.cpp
     rand_guid.h
-    resetable_setting.h 
+    resetable_setting.h
     retry.cpp
     retry.h
     swap_bytes.cpp
diff --git a/ydb/public/api/grpc/ya.make b/ydb/public/api/grpc/ya.make
index 91a18c2651..24173a0264 100644
--- a/ydb/public/api/grpc/ya.make
+++ b/ydb/public/api/grpc/ya.make
@@ -15,8 +15,8 @@ SRCS(
     ydb_auth_v1.proto
     ydb_coordination_v1.proto
     ydb_discovery_v1.proto
-    ydb_export_v1.proto 
-    ydb_import_v1.proto 
+    ydb_export_v1.proto
+    ydb_import_v1.proto
     ydb_monitoring_v1.proto
     ydb_operation_v1.proto
     ydb_cms_v1.proto
diff --git a/ydb/public/api/grpc/ydb_export_v1.proto b/ydb/public/api/grpc/ydb_export_v1.proto
index 1829f04eb6..e376815775 100644
--- a/ydb/public/api/grpc/ydb_export_v1.proto
+++ b/ydb/public/api/grpc/ydb_export_v1.proto
@@ -1,17 +1,17 @@
-syntax = "proto3"; 
- 
-package Ydb.Export.V1; 
-option java_package = "com.yandex.ydb.export.v1"; 
- 
+syntax = "proto3";
+
+package Ydb.Export.V1;
+option java_package = "com.yandex.ydb.export.v1";
+
 import "ydb/public/api/protos/ydb_export.proto";
- 
-service ExportService { 
- 
-    // Exports data to YT. 
-    // Method starts an asynchronous operation that can be cancelled while it is in progress. 
-    rpc ExportToYt(Export.ExportToYtRequest) returns (Export.ExportToYtResponse); 
- 
-    // Exports data to S3. 
-    // Method starts an asynchronous operation that can be cancelled while it is in progress. 
-    rpc ExportToS3(Export.ExportToS3Request) returns (Export.ExportToS3Response); 
-} 
+
+service ExportService {
+
+    // Exports data to YT.
+    // Method starts an asynchronous operation that can be cancelled while it is in progress.
+    rpc ExportToYt(Export.ExportToYtRequest) returns (Export.ExportToYtResponse);
+
+    // Exports data to S3.
+    // Method starts an asynchronous operation that can be cancelled while it is in progress.
+    rpc ExportToS3(Export.ExportToS3Request) returns (Export.ExportToS3Response);
+}
diff --git a/ydb/public/api/grpc/ydb_import_v1.proto b/ydb/public/api/grpc/ydb_import_v1.proto
index 0cd5d09fff..192a78bd6d 100644
--- a/ydb/public/api/grpc/ydb_import_v1.proto
+++ b/ydb/public/api/grpc/ydb_import_v1.proto
@@ -1,17 +1,17 @@
-syntax = "proto3"; 
- 
-package Ydb.Import.V1; 
-option java_package = "com.yandex.ydb.import_.v1"; 
- 
+syntax = "proto3";
+
+package Ydb.Import.V1;
+option java_package = "com.yandex.ydb.import_.v1";
+
 import "ydb/public/api/protos/ydb_import.proto";
- 
-service ImportService { 
- 
-    // Imports data from S3. 
-    // Method starts an asynchronous operation that can be cancelled while it is in progress. 
-    rpc ImportFromS3(Import.ImportFromS3Request) returns (Import.ImportFromS3Response); 
- 
-    // Writes data to a table. 
-    // Method accepts serialized data in the selected format and writes it non-transactionally. 
-    rpc ImportData(Import.ImportDataRequest) returns (Import.ImportDataResponse); 
-} 
+
+service ImportService {
+
+    // Imports data from S3.
+    // Method starts an asynchronous operation that can be cancelled while it is in progress.
+    rpc ImportFromS3(Import.ImportFromS3Request) returns (Import.ImportFromS3Response);
+
+    // Writes data to a table.
+    // Method accepts serialized data in the selected format and writes it non-transactionally.
+    rpc ImportData(Import.ImportDataRequest) returns (Import.ImportDataResponse);
+}
diff --git a/ydb/public/api/grpc/ydb_operation_v1.proto b/ydb/public/api/grpc/ydb_operation_v1.proto
index 1e659d2af1..8202d08484 100644
--- a/ydb/public/api/grpc/ydb_operation_v1.proto
+++ b/ydb/public/api/grpc/ydb_operation_v1.proto
@@ -24,16 +24,16 @@ service OperationService {
 
     // Check status for a given operation.
     rpc GetOperation(Operations.GetOperationRequest) returns (Operations.GetOperationResponse);
- 
-    // Starts cancellation of a long-running operation, 
-    // Clients can use GetOperation to check whether the cancellation succeeded 
-    // or whether the operation completed despite cancellation. 
-    rpc CancelOperation(Operations.CancelOperationRequest) returns (Operations.CancelOperationResponse); 
- 
-    // Forgets long-running operation. It does not cancel the operation and returns 
-    // an error if operation was not completed. 
-    rpc ForgetOperation(Operations.ForgetOperationRequest) returns (Operations.ForgetOperationResponse); 
- 
-    // Lists operations that match the specified filter in the request. 
-    rpc ListOperations(Operations.ListOperationsRequest) returns (Operations.ListOperationsResponse); 
+
+    // Starts cancellation of a long-running operation,
+    // Clients can use GetOperation to check whether the cancellation succeeded
+    // or whether the operation completed despite cancellation.
+    rpc CancelOperation(Operations.CancelOperationRequest) returns (Operations.CancelOperationResponse);
+
+    // Forgets long-running operation. It does not cancel the operation and returns
+    // an error if operation was not completed.
+    rpc ForgetOperation(Operations.ForgetOperationRequest) returns (Operations.ForgetOperationResponse);
+
+    // Lists operations that match the specified filter in the request.
+    rpc ListOperations(Operations.ListOperationsRequest) returns (Operations.ListOperationsResponse);
 }
diff --git a/ydb/public/api/protos/annotations/validation.proto b/ydb/public/api/protos/annotations/validation.proto
index 1c7221a348..70d60857ed 100644
--- a/ydb/public/api/protos/annotations/validation.proto
+++ b/ydb/public/api/protos/annotations/validation.proto
@@ -1,36 +1,36 @@
-syntax = "proto3"; 
-option cc_enable_arenas = true; 
- 
-package Ydb; 
-option java_package = "com.yandex.ydb"; 
- 
-import "google/protobuf/descriptor.proto"; 
- 
-message Limit { 
-    message Range { 
-        uint32 min = 1; 
-        uint32 max = 2; 
-    } 
- 
-    oneof kind { 
-        Range range = 1; 
-        uint32 lt = 2; 
-        uint32 le = 3; 
-        uint32 eq = 4; 
-        uint32 ge = 5; 
-        uint32 gt = 6; 
-    } 
-} 
- 
-message MapKey { 
-    Limit length = 1; 
-    string value = 2; 
-} 
- 
-extend google.protobuf.FieldOptions { 
-    bool required = 87650; 
-    Limit size = 87651; 
-    Limit length = 87652; 
-    MapKey map_key = 87653; 
-    string value = 87654; 
-} 
+syntax = "proto3";
+option cc_enable_arenas = true;
+
+package Ydb;
+option java_package = "com.yandex.ydb";
+
+import "google/protobuf/descriptor.proto";
+
+message Limit {
+    message Range {
+        uint32 min = 1;
+        uint32 max = 2;
+    }
+
+    oneof kind {
+        Range range = 1;
+        uint32 lt = 2;
+        uint32 le = 3;
+        uint32 eq = 4;
+        uint32 ge = 5;
+        uint32 gt = 6;
+    }
+}
+
+message MapKey {
+    Limit length = 1;
+    string value = 2;
+}
+
+extend google.protobuf.FieldOptions {
+    bool required = 87650;
+    Limit size = 87651;
+    Limit length = 87652;
+    MapKey map_key = 87653;
+    string value = 87654;
+}
diff --git a/ydb/public/api/protos/annotations/ya.make b/ydb/public/api/protos/annotations/ya.make
index e49e4ab62e..a4d2dab483 100644
--- a/ydb/public/api/protos/annotations/ya.make
+++ b/ydb/public/api/protos/annotations/ya.make
@@ -1,15 +1,15 @@
-PROTO_LIBRARY() 
- 
-OWNER( 
-    ilnaz 
-    g:kikimr 
-) 
- 
-SRCS( 
+PROTO_LIBRARY()
+
+OWNER(
+    ilnaz
+    g:kikimr
+)
+
+SRCS(
     sensitive.proto
-    validation.proto 
-) 
- 
+    validation.proto
+)
+
 EXCLUDE_TAGS(GO_PROTO)
 
-END() 
+END()
diff --git a/ydb/public/api/protos/draft/datastreams.proto b/ydb/public/api/protos/draft/datastreams.proto
index d29fc94db2..5c1354288a 100644
--- a/ydb/public/api/protos/draft/datastreams.proto
+++ b/ydb/public/api/protos/draft/datastreams.proto
@@ -3,12 +3,12 @@ option cc_enable_arenas = true;
 
 import "ydb/public/api/protos/ydb_operation.proto";
 
-import "google/protobuf/descriptor.proto"; 
+import "google/protobuf/descriptor.proto";
 
-package Ydb.DataStreams.V1; 
+package Ydb.DataStreams.V1;
 option java_package = "com.yandex.ydb.datastreams.v1";
 
-// Extsions to simplify json <-> proto conversion 
+// Extsions to simplify json <-> proto conversion
 enum EFieldTransformationType {
     TRANSFORM_NONE = 0;
     TRANSFORM_BASE64 = 1;
@@ -20,7 +20,7 @@ extend google.protobuf.FieldOptions {
     EFieldTransformationType FieldTransformer = 58123;
 }
 
-// Here and below: Kinesis data types mapped to protobuf 
+// Here and below: Kinesis data types mapped to protobuf
 
 enum EncryptionType {
     ENCRYPTION_UNDEFINED = 0;
@@ -29,105 +29,105 @@ enum EncryptionType {
 }
 
 message EnhancedMetrics {
-    // List of shard-level metrics 
+    // List of shard-level metrics
     repeated string shard_level_metrics = 1;
 }
- 
+
 message ChildShard {
-    // The range of possible hash key values for the shard 
+    // The range of possible hash key values for the shard
     HashKeyRange hash_key_range = 1;
-    // List of parent shards 
+    // List of parent shards
     repeated string parent_shards = 2;
-    // Name of the shard 
-    string name = 3; 
+    // Name of the shard
+    string name = 3;
 }
 
-// Represents details of consumer 
+// Represents details of consumer
 message Consumer {
     string consumer_arn = 1;
     int64 consumer_creation_timestamp = 2 [(FieldTransformer) = TRANSFORM_DOUBLE_S_TO_INT_MS];
     string consumer_name = 3;
     ConsumerDescription.ConsumerStatus consumer_status = 4;
 }
- 
-// The range of possible hash key values for the shard 
+
+// The range of possible hash key values for the shard
 message HashKeyRange {
     string starting_hash_key = 1;
     string ending_hash_key = 2;
 }
- 
+
 message Record {
-    // Timestamp that the record was inserted into the stream 
+    // Timestamp that the record was inserted into the stream
     int64 timestamp = 1 [(FieldTransformer) = TRANSFORM_DOUBLE_S_TO_INT_MS];
-    // Data blob 
+    // Data blob
     bytes data = 2 [(FieldTransformer) = TRANSFORM_BASE64];
-    // Encryption type used on record 
+    // Encryption type used on record
     EncryptionType encryption = 3;
-    // Identifies shard in the stream the record is assigned to 
+    // Identifies shard in the stream the record is assigned to
     string partition_key = 4;
-    // Unique id of the record within shard 
+    // Unique id of the record within shard
     string sequence_number = 5;
 }
- 
-// Represents the stream description 
+
+// Represents the stream description
 message StreamDescription {
-    // Represents current status of the stream being described 
+    // Represents current status of the stream being described
     enum StreamStatus {
         STATUS_UNDEFINED = 0;
-        // Stream is being created 
+        // Stream is being created
         CREATING = 1;
-        // Stream is being deleted 
+        // Stream is being deleted
         DELETING = 2;
-        // Stream is ready for read & write operations or deletion 
+        // Stream is ready for read & write operations or deletion
         ACTIVE = 3;
-        // Shards in the stream are being merged ot split 
+        // Shards in the stream are being merged ot split
         UPDATING = 4;
     }
 
-    // Encryption type used on record 
+    // Encryption type used on record
     EncryptionType encryption_type = 1;
-    // List of enhanced monitoring settings 
+    // List of enhanced monitoring settings
     repeated EnhancedMetrics enhanced_monitoring = 2;
-    // If true, more shards are available to describe 
+    // If true, more shards are available to describe
     bool has_more_shards = 3;
-    // Id of the key used to encryption 
-    string key_id = 4; 
-    // Retention period in hours 
+    // Id of the key used to encryption
+    string key_id = 4;
+    // Retention period in hours
     int32 retention_period_hours = 5;
-    // List of shards 
+    // List of shards
     repeated Shard shards = 6;
     string stream_arn = 7;
-    // Timestamp that the stream was created 
+    // Timestamp that the stream was created
     int64 stream_creation_timestamp = 8 [(FieldTransformer) = TRANSFORM_DOUBLE_S_TO_INT_MS];
-    // Current status of the stream 
+    // Current status of the stream
     StreamStatus stream_status = 9;
-    // Name of the stream 
+    // Name of the stream
     string stream_name = 10;
     int32 write_quota_kb_per_sec = 11;
     string owner = 12;
 }
 
-// Represents range of possible sequence numbers for the shard 
+// Represents range of possible sequence numbers for the shard
 message SequenceNumberRange {
     string starting_sequence_number = 1;
     string ending_sequence_number = 2;
 }
 
-// Represents shard details 
+// Represents shard details
 message Shard {
-    // Id of the shard adjacent to the shard's parent 
+    // Id of the shard adjacent to the shard's parent
     string adjacent_parent_shard_id = 1 [(FieldTransformer) = TRANSFORM_EMPTY_TO_NOTHING];
-    // The range of possible hash key values for the shard 
+    // The range of possible hash key values for the shard
     HashKeyRange hash_key_range = 2;
-    // Id of the shard's parent 
+    // Id of the shard's parent
     string parent_shard_id = 3 [(FieldTransformer) = TRANSFORM_EMPTY_TO_NOTHING];
-    // The range of possible sequence numbers for the shard 
+    // The range of possible sequence numbers for the shard
     SequenceNumberRange sequence_number_range = 4;
-    // Unique id of the shard within stream 
+    // Unique id of the shard within stream
     string shard_id = 5;
 }
 
-// Represents consumer details 
+// Represents consumer details
 message ConsumerDescription {
     enum ConsumerStatus {
         STATUS_UNKNOWN = 0;
@@ -137,98 +137,98 @@ message ConsumerDescription {
     }
 
     string consumer_arn = 1;
-    // Timestamp that the consumer was created 
+    // Timestamp that the consumer was created
     int64 consumer_creation_timestamp = 2 [(FieldTransformer) = TRANSFORM_DOUBLE_S_TO_INT_MS];
-    // Name of the consumer 
+    // Name of the consumer
     string consumer_name = 3;
     ConsumerStatus consumer_status = 4;
     string stream_arn = 5;
 }
 
-// Determines how the shard iterator is used to start reading records 
+// Determines how the shard iterator is used to start reading records
 enum ShardIteratorType {
     SHARD_ITERATOR_UNDEFINED = 0;
-    // Start reading exactly from the position denoted by a sequence number 
+    // Start reading exactly from the position denoted by a sequence number
     AT_SEQUENCE_NUMBER = 1;
-    // Start reading right after the specified position 
+    // Start reading right after the specified position
     AFTER_SEQUENCE_NUMBER = 2;
-    // Start reading from the position denoted by a specific timestamp 
+    // Start reading from the position denoted by a specific timestamp
     AT_TIMESTAMP = 3;
-    // Start reading from the oldest record 
+    // Start reading from the oldest record
     TRIM_HORIZON = 4;
-    // Start reading latest records 
+    // Start reading latest records
     LATEST = 5;
 }
 
-// Parameters used to filter out the response of ListShards 
+// Parameters used to filter out the response of ListShards
 message ShardFilter {
     enum ShardFilterType {
         SHARD_TYPE_UNDEFINED = 0;
-        // Include all the shards, starting with the shard whose id immediately follows the shard_id 
+        // Include all the shards, starting with the shard whose id immediately follows the shard_id
         AFTER_SHARD_ID = 1;
-        // Include all the shards that were open at TRIM_HORIZON 
+        // Include all the shards that were open at TRIM_HORIZON
         AT_TRIM_HORIZON = 2;
-        // Include all the shards within the retention period 
+        // Include all the shards within the retention period
         FROM_TRIM_HORIZON = 3;
-        // Include only the currently open shards 
+        // Include only the currently open shards
         AT_LATEST = 4;
         // Include all the shards whose start timestamp is <= to the given
         AT_TIMESTAMP = 5;
-        // Include all closed shards whose end timestamp >= to the given 
+        // Include all closed shards whose end timestamp >= to the given
         FROM_TIMESTAMP = 6;
     }
 
-    // Exclusive id. Can only be used if AFTER_SHARD_ID is specified 
+    // Exclusive id. Can only be used if AFTER_SHARD_ID is specified
     string shard_id = 1;
-    // Can only be used if AT_TIMESTAMP or FROM_TIMESTAMP are specified. 
+    // Can only be used if AT_TIMESTAMP or FROM_TIMESTAMP are specified.
     int64 timestamp = 2 [(FieldTransformer) = TRANSFORM_DOUBLE_S_TO_INT_MS];
     ShardFilterType type = 3;
 }
- 
-// Represents starting position in the stream from which to start reading 
+
+// Represents starting position in the stream from which to start reading
 message StartingPosition {
-    // Timestamp of the record from which to start reading 
+    // Timestamp of the record from which to start reading
     int64 timestamp = 1 [(FieldTransformer) = TRANSFORM_DOUBLE_S_TO_INT_MS];
-    // Sequence number of the record from which to start reading 
+    // Sequence number of the record from which to start reading
     string sequence_number = 2;
     ShardIteratorType type = 3;
 }
 
 message StreamDescriptionSummary {
-    // Number of enhanced fan-out consumers 
+    // Number of enhanced fan-out consumers
     int32 consumer_count = 1;
-    // Encryption type used 
+    // Encryption type used
     EncryptionType encryption_type = 2;
-    // List of enhanced monitoring settings 
+    // List of enhanced monitoring settings
     repeated EnhancedMetrics enhanced_monitoring = 3;
-    // Id of the key used to encryption 
+    // Id of the key used to encryption
     string key_id = 4;
-    // Number of open shards in the stream 
+    // Number of open shards in the stream
     int32 open_shard_count = 5;
-    // Retention period in hours 
+    // Retention period in hours
     int32 retention_period_hours = 6;
     string stream_arn = 7;
-    // Timestamp that the stream was created 
+    // Timestamp that the stream was created
     int64 stream_creation_timestamp = 8 [(FieldTransformer) = TRANSFORM_DOUBLE_S_TO_INT_MS];
-    // Name of the stream 
+    // Name of the stream
     string stream_name = 9;
-    // Current status of the stream 
+    // Current status of the stream
     StreamDescription.StreamStatus stream_status = 10;
 }
- 
-// Server sends events of this type after call SubscribeToShard 
+
+// Server sends events of this type after call SubscribeToShard
 message SubscribeToShardEvent {
-    // List of child shards 
+    // List of child shards
     repeated ChildShard child_shards = 1;
-    // Used in next call to SubscribeToShards 
+    // Used in next call to SubscribeToShards
     string continuation_sequence_number = 2;
-    // Number of milliseconds the read records are from the tip of the stream. 
-    // Zero indicates that record processing is caught up. 
+    // Number of milliseconds the read records are from the tip of the stream.
+    // Zero indicates that record processing is caught up.
     int32 millis_behind_latest = 3;
-    // List of records 
+    // List of records
     repeated Record records = 4;
 }
- 
+
 message SubscribeToShardEventStream {
     message ExceptionEvent {
     }
@@ -246,8 +246,8 @@ message SubscribeToShardEventStream {
         SubscribeToShardEvent subscribe_to_shard_event = 10;
     }
 }
- 
-// Represents metadata assigned to the stream (key-value pair) 
+
+// Represents metadata assigned to the stream (key-value pair)
 message Tag {
     string key = 1;
     string value = 2;
@@ -255,154 +255,154 @@ message Tag {
 
 message CreateStreamRequest {
     Ydb.Operations.OperationParams operation_params = 1;
-    // Name of the stream 
+    // Name of the stream
     string stream_name = 2;
-    // Shards count for a new stream 
+    // Shards count for a new stream
     int32 shard_count = 3;
 
-    // Datastreams extension. Allow to set retention and write quota upon stream creation 
+    // Datastreams extension. Allow to set retention and write quota upon stream creation
     int32 write_quota_kb_per_sec = 4;
     int32 retention_period_hours = 5;
-} 
+}
 
 message CreateStreamResponse {
     // Result of request will be inside operation.
     Ydb.Operations.Operation operation = 1;
 }
- 
+
 message CreateStreamResult {
 }
 
 message DeleteStreamRequest {
     Ydb.Operations.OperationParams operation_params = 1;
-    // If unset or false, and the stream has registered consumers, the call to DeleteStream fails 
+    // If unset or false, and the stream has registered consumers, the call to DeleteStream fails
     bool enforce_consumer_deletion = 2;
-    // Name of the stream 
+    // Name of the stream
     string stream_name = 3;
 }
- 
+
 message DeleteStreamResponse {
     // Result of request will be inside operation.
     Ydb.Operations.Operation operation = 1;
 }
- 
+
 message DeleteStreamResult {
 }
 
 message ListStreamsRequest {
     Ydb.Operations.OperationParams operation_params = 1;
-    // Name of stream to start from 
-    string exclusive_start_stream_name = 2; 
-    // Max number of entries to return 
-    int32 limit = 3; 
+    // Name of stream to start from
+    string exclusive_start_stream_name = 2;
+    // Max number of entries to return
+    int32 limit = 3;
     // Will make recurse listing if set to true. Otherwise will return only streams from root directory.
     bool recurse = 4;
 }
- 
+
 message ListStreamsResponse {
     // Result of request will be inside operation.
     Ydb.Operations.Operation operation = 1;
 }
- 
+
 message ListStreamsResult {
-    // True if more streams are available 
-    bool has_more_streams = 1; 
-    // Name of streams 
-    repeated string stream_names = 2; 
+    // True if more streams are available
+    bool has_more_streams = 1;
+    // Name of streams
+    repeated string stream_names = 2;
 }
 
 message ListShardsRequest {
     Ydb.Operations.OperationParams operation_params = 1;
-    // Id of the shard to start from 
+    // Id of the shard to start from
     string exclusive_start_shard_id = 2;
-    // Max number of entries to return 
+    // Max number of entries to return
     int32 max_results = 3;
-    // Pagination token 
-    string next_token = 4; 
-    // Filter out response 
-    ShardFilter shard_filter = 5; 
-    // Used to distinguish streams that have the same name 
+    // Pagination token
+    string next_token = 4;
+    // Filter out response
+    ShardFilter shard_filter = 5;
+    // Used to distinguish streams that have the same name
     int64 stream_creation_timestamp = 6 [(FieldTransformer) = TRANSFORM_DOUBLE_S_TO_INT_MS];
-    // Name of the stream 
+    // Name of the stream
     string stream_name = 7;
 }
- 
+
 message ListShardsResponse {
     // Result of request will be inside operation.
     Ydb.Operations.Operation operation = 1;
 }
- 
+
 message ListShardsResult {
-    // Pagination token 
+    // Pagination token
     string next_token = 1;
-    // List of shards 
+    // List of shards
     repeated Shard shards = 2;
 }
 
 message SetWriteQuotaRequest {
     Ydb.Operations.OperationParams operation_params = 1;
-    // Name of the stream 
+    // Name of the stream
     string stream_name = 2;
     int32 write_quota_kb_per_sec = 3;
 }
- 
+
 message SetWriteQuotaResponse {
-    // Result of request will be inside operation. 
+    // Result of request will be inside operation.
     Ydb.Operations.Operation operation = 1;
 }
- 
+
 message SetWriteQuotaResult {
 }
 
 message UpdateStreamRequest {
     Ydb.Operations.OperationParams operation_params = 1;
-    // Name of the stream 
+    // Name of the stream
     string stream_name = 2;
     int32 write_quota_kb_per_sec = 3;
-    // New number of shards 
+    // New number of shards
     int32 target_shard_count = 4;
-    // Retention period in hours 
+    // Retention period in hours
     int32 retention_period_hours = 5;
 }
- 
+
 message UpdateStreamResponse {
-    // Result of request will be inside operation. 
+    // Result of request will be inside operation.
     Ydb.Operations.Operation operation = 1;
 }
- 
+
 message UpdateStreamResult {
 }
 
 message ListStreamConsumersRequest {
     Ydb.Operations.OperationParams operation_params = 1;
-    // Max number of entries to return 
+    // Max number of entries to return
     int32 max_results = 2;
-    // Pagination token 
+    // Pagination token
     string next_token = 3;
     string stream_arn = 4;
-    // Used to distinguish streams that have the same name 
+    // Used to distinguish streams that have the same name
     int64 stream_creation_timestamp = 5 [(FieldTransformer) = TRANSFORM_DOUBLE_S_TO_INT_MS];
 }
- 
+
 message ListStreamConsumersResponse {
     // Result of request will be inside operation.
     Ydb.Operations.Operation operation = 1;
 }
- 
+
 message ListStreamConsumersResult {
-    // Pagination token 
+    // Pagination token
     string next_token = 1;
-    // List of consumers 
+    // List of consumers
     repeated Consumer consumers = 2;
 }
 
 message DescribeStreamRequest {
     Ydb.Operations.OperationParams operation_params = 1;
-    // Id of the shard to start from 
+    // Id of the shard to start from
     string exclusive_start_shard_id = 2;
-    // Max number of entries to return 
+    // Max number of entries to return
     int32 limit = 3;
-    // Name of the stream to describe 
+    // Name of the stream to describe
     string stream_name = 4;
 }
 
@@ -410,23 +410,23 @@ message DescribeStreamResponse {
     // Result of request will be inside operation.
     Ydb.Operations.Operation operation = 1;
 }
- 
+
 message DescribeStreamResult {
     StreamDescription stream_description = 1;
 }
 
 message RegisterStreamConsumerRequest {
     Ydb.Operations.OperationParams operation_params = 1;
-    // Unique name of the consumer within the stream 
+    // Unique name of the consumer within the stream
     string consumer_name = 2;
     string stream_arn = 3;
 }
- 
+
 message RegisterStreamConsumerResponse {
     // Result of request will be inside operation.
     Ydb.Operations.Operation operation = 1;
 }
- 
+
 message RegisterStreamConsumerResult {
     Consumer consumer = 1;
 }
@@ -434,46 +434,46 @@ message RegisterStreamConsumerResult {
 message DeregisterStreamConsumerRequest {
     Ydb.Operations.OperationParams operation_params = 1;
     string consumer_arn = 2;
-    // Name of consumer 
+    // Name of consumer
     string consumer_name = 3;
     string stream_arn = 4;
 }
- 
+
 message DeregisterStreamConsumerResponse {
     // Result of request will be inside operation.
     Ydb.Operations.Operation operation = 1;
 }
- 
+
 message DeregisterStreamConsumerResult {
 }
 
 message DescribeStreamConsumerRequest {
     Ydb.Operations.OperationParams operation_params = 1;
     string consumer_arn = 2;
-    // Name of consumer 
+    // Name of consumer
     string consumer_name = 3;
     string stream_arn = 4;
 }
- 
+
 message DescribeStreamConsumerResponse {
     // Result of request will be inside operation.
     Ydb.Operations.Operation operation = 1;
 }
- 
+
 message DescribeStreamConsumerResult {
     ConsumerDescription consumer_description = 1;
 }
 
 message PutRecordsRequestEntry {
-    // Data blob 
+    // Data blob
     bytes data = 1 [(FieldTransformer) = TRANSFORM_BASE64];
-    // Hash value used to explicitly determine the shard 
+    // Hash value used to explicitly determine the shard
     string explicit_hash_key = 2;
-    // Used as input to hash function that maps partition key to a specific shard 
+    // Used as input to hash function that maps partition key to a specific shard
     string partition_key = 3;
 }
 
-// Represents result of an individual record 
+// Represents result of an individual record
 message PutRecordsResultEntry {
     string error_message = 2 [(FieldTransformer) = TRANSFORM_EMPTY_TO_NOTHING];
     string error_code = 3 [(FieldTransformer) = TRANSFORM_EMPTY_TO_NOTHING];
@@ -483,95 +483,95 @@ message PutRecordsResultEntry {
 
 message GetRecordsRequest {
     Ydb.Operations.OperationParams operation_params = 1;
-    // Max number of records to return 
+    // Max number of records to return
     int32 limit = 2;
-    // Iterator to shard 
-    string shard_iterator = 3; 
-} 
+    // Iterator to shard
+    string shard_iterator = 3;
+}
 
 message GetRecordsResponse {
     // Result of request will be inside operation.
     Ydb.Operations.Operation operation = 1;
 }
- 
+
 message GetRecordsResult {
-    // List of child shards if SplitShard was called on a given shard 
-    repeated ChildShard child_shards = 1; 
-    // Number of milliseconds the read records are from the tip of the stream. 
-    // Zero indicates that record processing is caught up. 
+    // List of child shards if SplitShard was called on a given shard
+    repeated ChildShard child_shards = 1;
+    // Number of milliseconds the read records are from the tip of the stream.
+    // Zero indicates that record processing is caught up.
     int64 millis_behind_latest = 2;
     string next_shard_iterator = 3;
-    // List of records 
-    repeated Record records = 4; 
+    // List of records
+    repeated Record records = 4;
 }
 
 message PutRecordRequest {
     Ydb.Operations.OperationParams operation_params = 1;
-    // Data blob 
-    bytes data = 2 [(FieldTransformer) = TRANSFORM_BASE64]; 
-    // Hash value used to explicitly determine the shard 
-    string explicit_hash_key = 3; 
-    // Used as input to hash function that maps partition key to a specific shard 
+    // Data blob
+    bytes data = 2 [(FieldTransformer) = TRANSFORM_BASE64];
+    // Hash value used to explicitly determine the shard
+    string explicit_hash_key = 3;
+    // Used as input to hash function that maps partition key to a specific shard
     string partition_key = 4;
     string sequence_number_for_ordering = 5;
-    // Name of the stream to put record to 
-    string stream_name = 6; 
+    // Name of the stream to put record to
+    string stream_name = 6;
 }
- 
+
 message PutRecordResponse {
     // Result of request will be inside operation.
     Ydb.Operations.Operation operation = 1;
 }
- 
+
 message PutRecordResult {
-    // Encryption type used 
+    // Encryption type used
     EncryptionType encryption_type = 1;
-    // Unique id of the record within shard 
+    // Unique id of the record within shard
     string sequence_number = 2;
-    // Id of the shard were the data was inserted 
+    // Id of the shard were the data was inserted
     string shard_id = 3;
 }
 
 message PutRecordsRequest {
     Ydb.Operations.OperationParams operation_params = 1;
-    // List of records 
+    // List of records
     repeated PutRecordsRequestEntry records = 2;
-    // Name of the stream to put records to 
+    // Name of the stream to put records to
     string stream_name = 3;
 }
- 
+
 message PutRecordsResponse {
     // Result of request will be inside operation.
     Ydb.Operations.Operation operation = 1;
 }
- 
+
 message PutRecordsResult {
-    // Encryption type used 
+    // Encryption type used
     EncryptionType encryption_type = 1;
-    // Number of unsuccessfully processed records 
+    // Number of unsuccessfully processed records
     int32 failed_record_count = 2;
-    // List of results 
+    // List of results
     repeated PutRecordsResultEntry records = 3;
 }
 
 message GetShardIteratorRequest {
     Ydb.Operations.OperationParams operation_params = 1;
-    // Id of the shard to get iterator for 
+    // Id of the shard to get iterator for
     string shard_id = 2;
     ShardIteratorType shard_iterator_type = 3;
-    // Used with shard iterator type AT_SEQUENCE_NUMBER and AFTER_SEQUENCE_NUMBER 
+    // Used with shard iterator type AT_SEQUENCE_NUMBER and AFTER_SEQUENCE_NUMBER
     string starting_sequence_number = 4;
-    // Name of the stream 
+    // Name of the stream
     string stream_name = 5;
-    // Used with shard iterator type AT_TIMESTAMP 
+    // Used with shard iterator type AT_TIMESTAMP
     int64 timestamp = 6 [(FieldTransformer) = TRANSFORM_DOUBLE_S_TO_INT_MS];
 }
- 
+
 message GetShardIteratorResponse {
     // Result of request will be inside operation.
     Ydb.Operations.Operation operation = 1;
 }
- 
+
 message GetShardIteratorResult {
     string shard_iterator = 1;
 }
@@ -579,79 +579,79 @@ message GetShardIteratorResult {
 message SubscribeToShardRequest {
     Ydb.Operations.OperationParams operation_params = 1;
     string consumer_arn = 2;
-    // Id of the shard to subscribe to 
+    // Id of the shard to subscribe to
     string shard_id = 3;
     StartingPosition starting_position = 4;
 }
- 
+
 message SubscribeToShardResponse {
     // Result of request will be inside operation.
     Ydb.Operations.Operation operation = 1;
 }
- 
+
 message SubscribeToShardResult {
     SubscribeToShardEventStream event_stream = 1;
 }
 
 message AddTagsToStreamRequest {
     Ydb.Operations.OperationParams operation_params = 1;
-    // Name of the stream 
+    // Name of the stream
     string stream_name = 2;
-    // List of tags to add to stream 
+    // List of tags to add to stream
     repeated string tags = 3;
 }
- 
+
 message AddTagsToStreamResponse {
     // Result of request will be inside operation.
     Ydb.Operations.Operation operation = 1;
 }
- 
+
 message AddTagsToStreamResult {
 }
 
 message DecreaseStreamRetentionPeriodRequest {
     Ydb.Operations.OperationParams operation_params = 1;
-    // Name of the stream 
+    // Name of the stream
     string stream_name = 2;
     // Retention period in hours
     int32 retention_period_hours = 3;
 }
- 
+
 message DecreaseStreamRetentionPeriodResponse {
     // Result of request will be inside operation.
     Ydb.Operations.Operation operation = 1;
 }
- 
+
 message DecreaseStreamRetentionPeriodResult {
 }
 
 message DescribeLimitsRequest {
     Ydb.Operations.OperationParams operation_params = 1;
 }
- 
+
 message DescribeLimitsResponse {
     // Result of request will be inside operation.
     Ydb.Operations.Operation operation = 1;
 }
- 
+
 message DescribeLimitsResult {
-    // Number of open shards 
+    // Number of open shards
     int32 open_shard_count = 1;
-    // Max number of shards 
+    // Max number of shards
     int32 shard_limit = 2;
 }
 
 message DescribeStreamSummaryRequest {
     Ydb.Operations.OperationParams operation_params = 1;
-    // Name of the stream 
+    // Name of the stream
     string stream_name = 2;
 }
- 
+
 message DescribeStreamSummaryResponse {
     // Result of request will be inside operation.
     Ydb.Operations.Operation operation = 1;
 }
- 
+
 message DescribeStreamSummaryResult {
     // Stream description sumary
     StreamDescriptionSummary stream_description_summary = 1;
@@ -659,200 +659,200 @@ message DescribeStreamSummaryResult {
 
 message DisableEnhancedMonitoringRequest {
     Ydb.Operations.OperationParams operation_params = 1;
-    // List of shard-level metrics to disable 
+    // List of shard-level metrics to disable
     repeated string shard_level_metrics = 2;
-    // Name of the stream 
+    // Name of the stream
     string stream_name = 3;
 }
- 
+
 message DisableEnhancedMonitoringResponse {
     // Result of request will be inside operation.
     Ydb.Operations.Operation operation = 1;
 }
- 
+
 message DisableEnhancedMonitoringResult {
-    // Represents current state before the operation 
+    // Represents current state before the operation
     repeated string current_shard_level_metrics = 1;
-    // Represents list of metrics after the operation 
+    // Represents list of metrics after the operation
     repeated string desired_shard_level_metrics = 2;
-    // Name of the stream 
+    // Name of the stream
     string stream_name = 3;
 }
 
 message EnableEnhancedMonitoringRequest {
     Ydb.Operations.OperationParams operation_params = 1;
-    // List of shard-level metrics to enable 
+    // List of shard-level metrics to enable
     repeated string shard_level_metrics = 2;
-    // Name of the stream 
+    // Name of the stream
     string stream_name = 3;
 }
- 
+
 message EnableEnhancedMonitoringResponse {
     // Result of request will be inside operation.
     Ydb.Operations.Operation operation = 1;
 }
- 
+
 message EnableEnhancedMonitoringResult {
-    // Represents current state before the operation 
+    // Represents current state before the operation
     repeated string current_shard_level_metrics = 1;
-    // Represents list of metrics after the operation 
+    // Represents list of metrics after the operation
     repeated string desired_shard_level_metrics = 2;
-    // Name of the stream 
+    // Name of the stream
     string stream_name = 3;
 }
 
 message IncreaseStreamRetentionPeriodRequest {
     Ydb.Operations.OperationParams operation_params = 1;
-    // Retention period in hours 
+    // Retention period in hours
     int32 retention_period_hours = 2;
-    // Name of the stream 
+    // Name of the stream
     string stream_name = 3;
 }
- 
+
 message IncreaseStreamRetentionPeriodResponse {
     // Result of request will be inside operation.
     Ydb.Operations.Operation operation = 1;
 }
- 
+
 message IncreaseStreamRetentionPeriodResult {
 }
 
 message ListTagsForStreamRequest {
     Ydb.Operations.OperationParams operation_params = 1;
-    // Key to start from 
+    // Key to start from
     string exclusive_start_tag_key = 2;
-    // Max number of entries to return 
+    // Max number of entries to return
     int32 limit = 3;
-    // Name of the stream 
+    // Name of the stream
     string stream_name = 4;
 }
- 
+
 message ListTagsForStreamResponse {
     // Result of request will be inside operation.
     Ydb.Operations.Operation operation = 1;
 }
- 
+
 message ListTagsForStreamResult {
-    // If true, more tags are available 
+    // If true, more tags are available
     bool has_more_tags = 1;
-    // List of tags 
+    // List of tags
     repeated Tag tags = 2;
 }
 
 message MergeShardsRequest {
     Ydb.Operations.OperationParams operation_params = 1;
-    // Id of the adjacent shard for the merge 
+    // Id of the adjacent shard for the merge
     string adjacent_shard_to_merge = 2;
-    // Id of the shard to combine with the adjacent 
+    // Id of the shard to combine with the adjacent
     string shard_to_merge = 3;
-    // Name of the stream 
+    // Name of the stream
     string stream_name = 4;
 }
- 
+
 message MergeShardsResponse {
     // Result of request will be inside operation.
     Ydb.Operations.Operation operation = 1;
 }
- 
+
 message MergeShardsResult {
 }
 
 message RemoveTagsFromStreamRequest {
     Ydb.Operations.OperationParams operation_params = 1;
-    // Name of the stream 
+    // Name of the stream
     string stream_name = 2;
-    // List of tag keys 
+    // List of tag keys
     repeated string tag_keys = 3;
 }
- 
+
 message RemoveTagsFromStreamResponse {
     // Result of request will be inside operation.
     Ydb.Operations.Operation operation = 1;
 }
- 
+
 message RemoveTagsFromStreamResult {
 }
 
 message SplitShardRequest {
     Ydb.Operations.OperationParams operation_params = 1;
-    // Hash value for the starting hash key of one of the new child shards 
+    // Hash value for the starting hash key of one of the new child shards
     string new_starting_hash_key = 2;
-    // Id of the shard to split 
+    // Id of the shard to split
     string shard_to_split = 3;
-    // Name of the stream 
+    // Name of the stream
     string stream_name = 4;
 }
- 
+
 message SplitShardResponse {
     // Result of request will be inside operation.
     Ydb.Operations.Operation operation = 1;
 }
- 
+
 message SplitShardResult {
 }
 
 message StartStreamEncryptionRequest {
     Ydb.Operations.OperationParams operation_params = 1;
-    // Encryption type to use 
+    // Encryption type to use
     EncryptionType encryption_type = 2;
-    // Id of the key to use to encryption 
+    // Id of the key to use to encryption
     string key_id = 3;
-    // Name of the stream 
+    // Name of the stream
     string stream_name = 4;
 }
- 
+
 message StartStreamEncryptionResponse {
     // Result of request will be inside operation.
     Ydb.Operations.Operation operation = 1;
 }
- 
+
 message StartStreamEncryptionResult {
 }
 
 message StopStreamEncryptionRequest {
     Ydb.Operations.OperationParams operation_params = 1;
-    // Encryption type 
+    // Encryption type
     EncryptionType encryption_type = 2;
-    // Id of the key to use to encryption 
+    // Id of the key to use to encryption
     string key_id = 3;
-    // Name of the stream 
+    // Name of the stream
     string stream_name = 4;
 }
- 
+
 message StopStreamEncryptionResponse {
     // Result of request will be inside operation.
     Ydb.Operations.Operation operation = 1;
 }
- 
+
 message StopStreamEncryptionResult {
 }
 
 message UpdateShardCountRequest {
     enum ScalingType {
         SCALING_TYPE_UNKNOWN = 0;
-        // Creates shards of equal size 
+        // Creates shards of equal size
         UNIFORM_SCALING = 1;
     }
 
     Ydb.Operations.OperationParams operation_params = 1;
-    // Scaling type 
+    // Scaling type
     ScalingType scaling_type = 2;
-    // Name of the stream 
+    // Name of the stream
     string stream_name = 3;
-    // New number of shards 
+    // New number of shards
     int32 target_shard_count = 4;
 }
- 
+
 message UpdateShardCountResponse {
     // Result of request will be inside operation.
     Ydb.Operations.Operation operation = 1;
 }
- 
+
 message UpdateShardCountResult {
-    // Current number of shards 
+    // Current number of shards
     int32 current_shard_count = 1;
-    // Name of the stream 
+    // Name of the stream
     string stream_name = 2;
-    // Updated number of shards 
+    // Updated number of shards
     int32 target_shard_count = 3;
 }
diff --git a/ydb/public/api/protos/ya.make b/ydb/public/api/protos/ya.make
index 9238791669..8a156403a3 100644
--- a/ydb/public/api/protos/ya.make
+++ b/ydb/public/api/protos/ya.make
@@ -9,10 +9,10 @@ OWNER(
     g:kikimr
 )
 
-PEERDIR( 
+PEERDIR(
     ydb/public/api/protos/annotations
-) 
- 
+)
+
 SRCS(
     draft/datastreams.proto
     draft/persqueue_common.proto
@@ -30,9 +30,9 @@ SRCS(
     ydb_coordination.proto
     ydb_discovery.proto
     ydb_experimental.proto
-    ydb_export.proto 
+    ydb_export.proto
     ydb_formats.proto
-    ydb_import.proto 
+    ydb_import.proto
     ydb_issue_message.proto
     ydb_monitoring.proto
     ydb_operation.proto
diff --git a/ydb/public/api/protos/ydb_cms.proto b/ydb/public/api/protos/ydb_cms.proto
index cdd4e68aba..1a569c7081 100644
--- a/ydb/public/api/protos/ydb_cms.proto
+++ b/ydb/public/api/protos/ydb_cms.proto
@@ -48,11 +48,11 @@ message Resources {
     repeated ComputationalUnits computational_units = 2;
 }
 
-message ServerlessResources { 
-    // Full path to shared database's home dir whose resources will be used. 
-    string shared_database_path = 1; 
-} 
- 
+message ServerlessResources {
+    // Full path to shared database's home dir whose resources will be used.
+    string shared_database_path = 1;
+}
+
 message DatabaseOptions {
     // Do not initialize services required for transactions processing.
     bool disable_tx_service = 1;
@@ -91,9 +91,9 @@ message DatabaseQuotas {
     uint64 data_stream_shards_quota = 3;
     // A maximum storage that will be reserved for all data stream shards.
     uint64 data_stream_reserved_storage_quota = 5;
-    // A minimum value of `TtlSettings.run_interval_seconds` that can be specified. 
-    // Default is 1800 (15 minutes). 
-    uint32 ttl_min_run_internal_seconds = 4; 
+    // A minimum value of `TtlSettings.run_interval_seconds` that can be specified.
+    // Default is 1800 (15 minutes).
+    uint32 ttl_min_run_internal_seconds = 4;
 }
 
 // Request to create a new database. For successfull creation
@@ -103,14 +103,14 @@ message CreateDatabaseRequest {
     Ydb.Operations.OperationParams operation_params = 1;
     // Required. Full path to database's home dir. Used as database ID.
     string path = 2;
-    oneof resources_kind { 
-        // Resources to allocate for database by CMS. 
-        Resources resources = 3; 
-        // Shared resources can be used by serverless databases. 
-        Resources shared_resources = 6; 
-        // If specified, the created database will be "serverless". 
-        ServerlessResources serverless_resources = 7; 
-    } 
+    oneof resources_kind {
+        // Resources to allocate for database by CMS.
+        Resources resources = 3;
+        // Shared resources can be used by serverless databases.
+        Resources shared_resources = 6;
+        // If specified, the created database will be "serverless".
+        ServerlessResources serverless_resources = 7;
+    }
     // Additional database options.
     DatabaseOptions options = 4;
     // Attach attributes to database.
@@ -154,12 +154,12 @@ message GetDatabaseStatusResult {
     string path = 1;
     // Current database state.
     State state = 2;
-    oneof resources_kind { 
-        // Database resources requested for allocation. 
-        Resources required_resources = 3; 
-        Resources required_shared_resources = 7; 
-        ServerlessResources serverless_resources = 8; 
-    } 
+    oneof resources_kind {
+        // Database resources requested for allocation.
+        Resources required_resources = 3;
+        Resources required_shared_resources = 7;
+        ServerlessResources serverless_resources = 8;
+    }
     // Database resources allocated by CMS.
     Resources allocated_resources = 4;
     // Externally allocated database resources registered in CMS.
diff --git a/ydb/public/api/protos/ydb_export.proto b/ydb/public/api/protos/ydb_export.proto
index 30c7f61315..31f49667a9 100644
--- a/ydb/public/api/protos/ydb_export.proto
+++ b/ydb/public/api/protos/ydb_export.proto
@@ -1,129 +1,129 @@
-syntax = "proto3"; 
-option cc_enable_arenas = true; 
- 
+syntax = "proto3";
+option cc_enable_arenas = true;
+
 import "ydb/public/api/protos/annotations/validation.proto";
 import "ydb/public/api/protos/ydb_operation.proto";
- 
-import "google/protobuf/timestamp.proto"; 
- 
-package Ydb.Export; 
-option java_package = "com.yandex.ydb.export"; 
- 
-/// Common 
-message ExportProgress { 
-    enum Progress { 
-        PROGRESS_UNSPECIFIED = 0; 
-        PROGRESS_PREPARING = 1; 
-        PROGRESS_TRANSFER_DATA = 2; 
-        PROGRESS_DONE = 3; 
-        PROGRESS_CANCELLATION = 4; 
-        PROGRESS_CANCELLED = 5; 
-    } 
-} 
- 
-message ExportItemProgress { 
-    uint32 parts_total = 1; 
-    uint32 parts_completed = 2; 
-    google.protobuf.Timestamp start_time = 3; 
-    google.protobuf.Timestamp end_time = 4; 
-} 
- 
-/// YT 
-message ExportToYtSettings { 
-    message Item { 
-        // Database path to a table to be exported 
-        string source_path = 1 [(required) = true]; 
-        string destination_path = 2 [(required) = true]; 
-    } 
- 
-    string host = 1 [(required) = true]; 
-    uint32 port = 2; 
-    string token = 3 [(required) = true]; 
-    repeated Item items = 4 [(size).ge = 1]; 
-    string description = 5 [(length).le = 128]; 
-    uint32 number_of_retries = 6; 
-    bool use_type_v3 = 7; 
-} 
- 
-message ExportToYtResult { 
-} 
- 
-message ExportToYtMetadata { 
-    ExportToYtSettings settings = 1; 
-    ExportProgress.Progress progress = 2; 
-    repeated ExportItemProgress items_progress = 3; 
-} 
- 
-message ExportToYtRequest { 
-    Ydb.Operations.OperationParams operation_params = 1; 
-    ExportToYtSettings settings = 2 [(required) = true]; 
-} 
- 
-message ExportToYtResponse { 
-    // operation.result = ExportToYtResult 
-    // operation.metadata = ExportToYtMetadata 
-    Ydb.Operations.Operation operation = 1; 
-} 
- 
-/// S3 
-message ExportToS3Settings { 
-    enum Scheme { 
-        UNSPECIFIED = 0; 
-        HTTP = 1; 
-        HTTPS = 2; 
-    } 
- 
-    enum StorageClass { 
-        STORAGE_CLASS_UNSPECIFIED = 0; 
-        STANDARD = 1; 
-        REDUCED_REDUNDANCY = 2; 
-        STANDARD_IA = 3; 
-        ONEZONE_IA = 4; 
-        INTELLIGENT_TIERING = 5; 
-        GLACIER = 6; 
-        DEEP_ARCHIVE = 7; 
-        OUTPOSTS = 8; 
-    }; 
- 
-    message Item { 
-        // Database path to a table to be exported 
-        string source_path = 1 [(required) = true]; 
- 
-        /* Tables are exported to one or more S3 objects. 
-           The object name begins with 'destination_prefix'. 
-           This prefix will be followed by '/data_PartNumber', where 'PartNumber' 
-           represents the index of the part, starting at zero. 
-        */ 
-        string destination_prefix = 2 [(required) = true]; 
-    } 
- 
-    string endpoint = 1 [(required) = true]; 
-    Scheme scheme = 2; // HTTPS if not specified 
-    string bucket = 3 [(required) = true]; 
-    string access_key = 4 [(required) = true]; 
-    string secret_key = 5 [(required) = true]; 
-    repeated Item items = 6 [(size).ge = 1]; 
-    string description = 7 [(length).le = 128]; 
-    uint32 number_of_retries = 8; 
-    StorageClass storage_class = 9; 
-} 
- 
-message ExportToS3Result { 
-} 
- 
-message ExportToS3Metadata { 
-    ExportToS3Settings settings = 1; 
-    ExportProgress.Progress progress = 2; 
-    repeated ExportItemProgress items_progress = 3; 
-} 
- 
-message ExportToS3Request { 
-    Ydb.Operations.OperationParams operation_params = 1; 
-    ExportToS3Settings settings = 2 [(required) = true]; 
-} 
- 
-message ExportToS3Response { 
-    // operation.result = ExportToS3Result 
-    // operation.metadata = ExportToS3Metadata 
-    Ydb.Operations.Operation operation = 1; 
-} 
+
+import "google/protobuf/timestamp.proto";
+
+package Ydb.Export;
+option java_package = "com.yandex.ydb.export";
+
+/// Common
+message ExportProgress {
+    enum Progress {
+        PROGRESS_UNSPECIFIED = 0;
+        PROGRESS_PREPARING = 1;
+        PROGRESS_TRANSFER_DATA = 2;
+        PROGRESS_DONE = 3;
+        PROGRESS_CANCELLATION = 4;
+        PROGRESS_CANCELLED = 5;
+    }
+}
+
+message ExportItemProgress {
+    uint32 parts_total = 1;
+    uint32 parts_completed = 2;
+    google.protobuf.Timestamp start_time = 3;
+    google.protobuf.Timestamp end_time = 4;
+}
+
+/// YT
+message ExportToYtSettings {
+    message Item {
+        // Database path to a table to be exported
+        string source_path = 1 [(required) = true];
+        string destination_path = 2 [(required) = true];
+    }
+
+    string host = 1 [(required) = true];
+    uint32 port = 2;
+    string token = 3 [(required) = true];
+    repeated Item items = 4 [(size).ge = 1];
+    string description = 5 [(length).le = 128];
+    uint32 number_of_retries = 6;
+    bool use_type_v3 = 7;
+}
+
+message ExportToYtResult {
+}
+
+message ExportToYtMetadata {
+    ExportToYtSettings settings = 1;
+    ExportProgress.Progress progress = 2;
+    repeated ExportItemProgress items_progress = 3;
+}
+
+message ExportToYtRequest {
+    Ydb.Operations.OperationParams operation_params = 1;
+    ExportToYtSettings settings = 2 [(required) = true];
+}
+
+message ExportToYtResponse {
+    // operation.result = ExportToYtResult
+    // operation.metadata = ExportToYtMetadata
+    Ydb.Operations.Operation operation = 1;
+}
+
+/// S3
+message ExportToS3Settings {
+    enum Scheme {
+        UNSPECIFIED = 0;
+        HTTP = 1;
+        HTTPS = 2;
+    }
+
+    enum StorageClass {
+        STORAGE_CLASS_UNSPECIFIED = 0;
+        STANDARD = 1;
+        REDUCED_REDUNDANCY = 2;
+        STANDARD_IA = 3;
+        ONEZONE_IA = 4;
+        INTELLIGENT_TIERING = 5;
+        GLACIER = 6;
+        DEEP_ARCHIVE = 7;
+        OUTPOSTS = 8;
+    };
+
+    message Item {
+        // Database path to a table to be exported
+        string source_path = 1 [(required) = true];
+
+        /* Tables are exported to one or more S3 objects.
+           The object name begins with 'destination_prefix'.
+           This prefix will be followed by '/data_PartNumber', where 'PartNumber'
+           represents the index of the part, starting at zero.
+        */
+        string destination_prefix = 2 [(required) = true];
+    }
+
+    string endpoint = 1 [(required) = true];
+    Scheme scheme = 2; // HTTPS if not specified
+    string bucket = 3 [(required) = true];
+    string access_key = 4 [(required) = true];
+    string secret_key = 5 [(required) = true];
+    repeated Item items = 6 [(size).ge = 1];
+    string description = 7 [(length).le = 128];
+    uint32 number_of_retries = 8;
+    StorageClass storage_class = 9;
+}
+
+message ExportToS3Result {
+}
+
+message ExportToS3Metadata {
+    ExportToS3Settings settings = 1;
+    ExportProgress.Progress progress = 2;
+    repeated ExportItemProgress items_progress = 3;
+}
+
+message ExportToS3Request {
+    Ydb.Operations.OperationParams operation_params = 1;
+    ExportToS3Settings settings = 2 [(required) = true];
+}
+
+message ExportToS3Response {
+    // operation.result = ExportToS3Result
+    // operation.metadata = ExportToS3Metadata
+    Ydb.Operations.Operation operation = 1;
+}
diff --git a/ydb/public/api/protos/ydb_import.proto b/ydb/public/api/protos/ydb_import.proto
index 5295aa6fca..924b49eea2 100644
--- a/ydb/public/api/protos/ydb_import.proto
+++ b/ydb/public/api/protos/ydb_import.proto
@@ -1,110 +1,110 @@
-syntax = "proto3"; 
-option cc_enable_arenas = true; 
- 
+syntax = "proto3";
+option cc_enable_arenas = true;
+
 import "ydb/public/api/protos/annotations/validation.proto";
 import "ydb/public/api/protos/ydb_operation.proto";
- 
-import "google/protobuf/timestamp.proto"; 
- 
-package Ydb.Import; 
-option java_package = "com.yandex.ydb.import_"; 
- 
-/// Common 
-message ImportProgress { 
-    enum Progress { 
-        PROGRESS_UNSPECIFIED = 0; 
-        PROGRESS_PREPARING = 1; 
-        PROGRESS_TRANSFER_DATA = 2; 
-        PROGRESS_BUILD_INDEXES = 3; 
-        PROGRESS_DONE = 4; 
-        PROGRESS_CANCELLATION = 5; 
-        PROGRESS_CANCELLED = 6; 
-    } 
-} 
- 
-message ImportItemProgress { 
-    uint32 parts_total = 1; 
-    uint32 parts_completed = 2; 
-    google.protobuf.Timestamp start_time = 3; 
-    google.protobuf.Timestamp end_time = 4; 
-} 
- 
-/// S3 
-message ImportFromS3Settings { 
-    enum Scheme { 
-        UNSPECIFIED = 0; 
-        HTTP = 1; 
-        HTTPS = 2; 
-    } 
- 
-    message Item { 
-        /* YDB tables in S3 are stored in one or more objects (see ydb_export.proto). 
-           The object name begins with 'source_prefix'. 
-           This prefix is followed by: 
-             * '/data_PartNumber', where 'PartNumber' represents the index of the part, starting at zero; 
-             * '/scheme.pb' - object with information about scheme, indexes, etc. 
-        */ 
-        string source_prefix = 1 [(required) = true]; 
- 
-        // Database path to a table to import to. 
-        string destination_path = 2 [(required) = true]; 
-    } 
- 
-    string endpoint = 1 [(required) = true]; 
-    Scheme scheme = 2; // HTTPS if not specified 
-    string bucket = 3 [(required) = true]; 
-    string access_key = 4 [(required) = true]; 
-    string secret_key = 5 [(required) = true]; 
-    repeated Item items = 6 [(size).ge = 1]; 
-    string description = 7 [(length).le = 128]; 
-    uint32 number_of_retries = 8; 
-} 
- 
-message ImportFromS3Result { 
-} 
- 
-message ImportFromS3Metadata { 
-    ImportFromS3Settings settings = 1; 
-    ImportProgress.Progress progress = 2; 
-    repeated ImportItemProgress items_progress = 3; 
-} 
- 
-message ImportFromS3Request { 
-    Ydb.Operations.OperationParams operation_params = 1; 
-    ImportFromS3Settings settings = 2 [(required) = true]; 
-} 
- 
-message ImportFromS3Response { 
-    // operation.result = ImportFromS3Result 
-    // operation.metadata = ImportFromS3Metadata 
-    Ydb.Operations.Operation operation = 1; 
-} 
- 
-/// Data 
-message YdbDumpFormat { 
-    repeated string columns = 1; 
-} 
- 
-message ImportDataResult { 
-} 
- 
-message ImportDataRequest { 
-    Ydb.Operations.OperationParams operation_params = 1; 
-    // Full path to table 
-    string path = 2; 
-    // Data serialized in the selected format. Restrictions: 
-    // - sorted by primary key; 
-    // - all keys must be from the same partition; 
-    // - table has no global secondary indexes; 
-    // - size of serialized data is limited to 8 MB. 
-    bytes data = 3 [(length).le = 8388608]; 
-    oneof format { 
-        // Result of `ydb tools dump` 
-        YdbDumpFormat ydb_dump = 4; 
-    } 
-} 
- 
-message ImportDataResponse { 
-    // operation.result = ImportDataResult 
-    Ydb.Operations.Operation operation = 1; 
-} 
+
+import "google/protobuf/timestamp.proto";
+
+package Ydb.Import;
+option java_package = "com.yandex.ydb.import_";
+
+/// Common
+message ImportProgress {
+    enum Progress {
+        PROGRESS_UNSPECIFIED = 0;
+        PROGRESS_PREPARING = 1;
+        PROGRESS_TRANSFER_DATA = 2;
+        PROGRESS_BUILD_INDEXES = 3;
+        PROGRESS_DONE = 4;
+        PROGRESS_CANCELLATION = 5;
+        PROGRESS_CANCELLED = 6;
+    }
+}
+
+message ImportItemProgress {
+    uint32 parts_total = 1;
+    uint32 parts_completed = 2;
+    google.protobuf.Timestamp start_time = 3;
+    google.protobuf.Timestamp end_time = 4;
+}
+
+/// S3
+message ImportFromS3Settings {
+    enum Scheme {
+        UNSPECIFIED = 0;
+        HTTP = 1;
+        HTTPS = 2;
+    }
+
+    message Item {
+        /* YDB tables in S3 are stored in one or more objects (see ydb_export.proto).
+           The object name begins with 'source_prefix'.
+           This prefix is followed by:
+             * '/data_PartNumber', where 'PartNumber' represents the index of the part, starting at zero;
+             * '/scheme.pb' - object with information about scheme, indexes, etc.
+        */
+        string source_prefix = 1 [(required) = true];
+
+        // Database path to a table to import to.
+        string destination_path = 2 [(required) = true];
+    }
+
+    string endpoint = 1 [(required) = true];
+    Scheme scheme = 2; // HTTPS if not specified
+    string bucket = 3 [(required) = true];
+    string access_key = 4 [(required) = true];
+    string secret_key = 5 [(required) = true];
+    repeated Item items = 6 [(size).ge = 1];
+    string description = 7 [(length).le = 128];
+    uint32 number_of_retries = 8;
+}
+
+message ImportFromS3Result {
+}
+
+message ImportFromS3Metadata {
+    ImportFromS3Settings settings = 1;
+    ImportProgress.Progress progress = 2;
+    repeated ImportItemProgress items_progress = 3;
+}
+
+message ImportFromS3Request {
+    Ydb.Operations.OperationParams operation_params = 1;
+    ImportFromS3Settings settings = 2 [(required) = true];
+}
+
+message ImportFromS3Response {
+    // operation.result = ImportFromS3Result
+    // operation.metadata = ImportFromS3Metadata
+    Ydb.Operations.Operation operation = 1;
+}
+
+/// Data
+message YdbDumpFormat {
+    repeated string columns = 1;
+}
+
+message ImportDataResult {
+}
+
+message ImportDataRequest {
+    Ydb.Operations.OperationParams operation_params = 1;
+    // Full path to table
+    string path = 2;
+    // Data serialized in the selected format. Restrictions:
+    // - sorted by primary key;
+    // - all keys must be from the same partition;
+    // - table has no global secondary indexes;
+    // - size of serialized data is limited to 8 MB.
+    bytes data = 3 [(length).le = 8388608];
+    oneof format {
+        // Result of `ydb tools dump`
+        YdbDumpFormat ydb_dump = 4;
+    }
+}
+
+message ImportDataResponse {
+    // operation.result = ImportDataResult
+    Ydb.Operations.Operation operation = 1;
+}
diff --git a/ydb/public/api/protos/ydb_operation.proto b/ydb/public/api/protos/ydb_operation.proto
index ecf7a2752f..30ddd002a2 100644
--- a/ydb/public/api/protos/ydb_operation.proto
+++ b/ydb/public/api/protos/ydb_operation.proto
@@ -21,8 +21,8 @@ message OperationParams {
         // Server will only reply once operation is finished (ready=true), and operation object won't be
         // accessible after the reply. This is a basic request-response mode.
         SYNC = 1;
- 
-        ASYNC = 2; 
+
+        ASYNC = 2;
     }
 
     OperationMode operation_mode = 1;
@@ -41,9 +41,9 @@ message OperationParams {
     // sent back to client if it was waiting for the operation result.
     // In case when cancellation isn't possible, no action will be performed.
     google.protobuf.Duration cancel_after = 3;
- 
-    // User-defined labels of operation. 
-    map<string, string> labels = 4 [(map_key).length.le = 128, (length).le = 128]; 
+
+    // User-defined labels of operation.
+    map<string, string> labels = 4 [(map_key).length.le = 128, (length).le = 128];
 
     // If enabled, server will report cost information, if supported by the operation.
     // This flag is mostly useful for SYNC operations, to get the cost information in the response.
@@ -51,44 +51,44 @@ message OperationParams {
 }
 
 message GetOperationRequest {
-    string id = 1 [(required) = true]; 
+    string id = 1 [(required) = true];
 }
 
 message GetOperationResponse {
     Operation operation = 1;
 }
 
-message CancelOperationRequest { 
-    string id = 1 [(required) = true]; 
-} 
- 
-message CancelOperationResponse { 
-    StatusIds.StatusCode status = 1; 
-    repeated Ydb.Issue.IssueMessage issues = 2; 
-} 
- 
-message ForgetOperationRequest { 
-    string id = 1 [(required) = true]; 
-} 
- 
-message ForgetOperationResponse { 
-    StatusIds.StatusCode status = 1; 
-    repeated Ydb.Issue.IssueMessage issues = 2; 
-} 
- 
-message ListOperationsRequest { 
-    string kind = 1 [(required) = true]; 
-    uint64 page_size = 2; 
-    string page_token = 3; 
-} 
- 
-message ListOperationsResponse { 
-    StatusIds.StatusCode status = 1; 
-    repeated Ydb.Issue.IssueMessage issues = 2; 
-    repeated Operation operations = 3; 
-    string next_page_token = 4; 
-} 
- 
+message CancelOperationRequest {
+    string id = 1 [(required) = true];
+}
+
+message CancelOperationResponse {
+    StatusIds.StatusCode status = 1;
+    repeated Ydb.Issue.IssueMessage issues = 2;
+}
+
+message ForgetOperationRequest {
+    string id = 1 [(required) = true];
+}
+
+message ForgetOperationResponse {
+    StatusIds.StatusCode status = 1;
+    repeated Ydb.Issue.IssueMessage issues = 2;
+}
+
+message ListOperationsRequest {
+    string kind = 1 [(required) = true];
+    uint64 page_size = 2;
+    string page_token = 3;
+}
+
+message ListOperationsResponse {
+    StatusIds.StatusCode status = 1;
+    repeated Ydb.Issue.IssueMessage issues = 2;
+    repeated Operation operations = 3;
+    string next_page_token = 4;
+}
+
 message Operation {
     // Identifier of the operation, empty value means no active operation object is present (it was forgotten or
     // not created in the first place, as in SYNC operation mode).
@@ -104,8 +104,8 @@ message Operation {
     repeated Ydb.Issue.IssueMessage issues = 4;
     // Result data
     google.protobuf.Any result = 5;
- 
-    google.protobuf.Any metadata = 6; 
+
+    google.protobuf.Any metadata = 6;
 
     // Contains information about the cost of the operation.
     // For completed operations, it shows the final cost of the operation.
diff --git a/ydb/public/api/protos/ydb_scheme.proto b/ydb/public/api/protos/ydb_scheme.proto
index a27f1ae9b3..d66b765725 100644
--- a/ydb/public/api/protos/ydb_scheme.proto
+++ b/ydb/public/api/protos/ydb_scheme.proto
@@ -56,7 +56,7 @@ message Entry {
         BLOCK_STORE_VOLUME = 6;
         COORDINATION_NODE = 7;
         SEQUENCE = 15;
-        REPLICATION = 16; 
+        REPLICATION = 16;
     }
     
     // Name of scheme entry (dir2 of /dir1/dir2)
@@ -65,13 +65,13 @@ message Entry {
     string owner = 2;
     Type type = 5;
     repeated Permissions effective_permissions = 6; 
-    repeated Permissions permissions = 7; 
- 
-    // Size of entry in bytes. Currently filled for: 
-    // - TABLE; 
-    // - DATABASE. 
-    // Empty (zero) in other cases. 
-    uint64 size_bytes = 8; 
+    repeated Permissions permissions = 7;
+
+    // Size of entry in bytes. Currently filled for:
+    // - TABLE;
+    // - DATABASE.
+    // Empty (zero) in other cases.
+    uint64 size_bytes = 8;
 }
 
 message ListDirectoryResult {
diff --git a/ydb/public/api/protos/ydb_status_codes.proto b/ydb/public/api/protos/ydb_status_codes.proto
index 8cbd9e9824..4c500dc43a 100644
--- a/ydb/public/api/protos/ydb_status_codes.proto
+++ b/ydb/public/api/protos/ydb_status_codes.proto
@@ -25,7 +25,7 @@ message StatusIds {
         SESSION_EXPIRED =     400150;
         CANCELLED =           400160;
         UNDETERMINED =        400170;
-        UNSUPPORTED =         400180; 
+        UNSUPPORTED =         400180;
         SESSION_BUSY =        400190;
     }
     // reserved range [401000, 402999] for internal client status
diff --git a/ydb/public/api/protos/ydb_table.proto b/ydb/public/api/protos/ydb_table.proto
index 8c38024169..c8063d9475 100644
--- a/ydb/public/api/protos/ydb_table.proto
+++ b/ydb/public/api/protos/ydb_table.proto
@@ -11,7 +11,7 @@ import "ydb/public/api/protos/ydb_scheme.proto";
 import "ydb/public/api/protos/ydb_status_codes.proto";
 import "ydb/public/api/protos/ydb_formats.proto";
 
-import "google/protobuf/empty.proto"; 
+import "google/protobuf/empty.proto";
 import "google/protobuf/timestamp.proto";
 
 package Ydb.Table;
@@ -47,9 +47,9 @@ message DeleteSessionResponse {
 message GlobalIndex {
 }
 
-message GlobalAsyncIndex { 
-} 
- 
+message GlobalAsyncIndex {
+}
+
 // Represent secondary index
 message TableIndex {
     // Name of index
@@ -59,7 +59,7 @@ message TableIndex {
     // Type of index
     oneof type {
        GlobalIndex global_index = 3;
-       GlobalAsyncIndex global_async_index = 4; 
+       GlobalAsyncIndex global_async_index = 4;
     }
     // list of columns content to be copied in to index table
     repeated string data_columns = 5;
@@ -81,13 +81,13 @@ message TableIndexDescription {
     // Type of index
     oneof type {
        GlobalIndex global_index = 3;
-       GlobalAsyncIndex global_async_index = 5; 
+       GlobalAsyncIndex global_async_index = 5;
     }
     Status status = 4;
     // list of columns content to be copied in to index table
     repeated string data_columns = 6;
-    // Size of index data in bytes 
-    uint64 size_bytes = 7; 
+    // Size of index data in bytes
+    uint64 size_bytes = 7;
 }
 
 // State of index building operation
@@ -250,65 +250,65 @@ message ColumnMeta {
     string family = 3;
 }
 
-message DateTypeColumnModeSettings { 
-    // The row will be considered as expired at the moment of time, when the value 
-    // stored in <column_name> is less than or equal to the current time (in epoch 
-    // time format), and <expire_after_seconds> has passed since that moment; 
-    // i.e. the expiration threshold is the value of <column_name> plus <expire_after_seconds>. 
- 
-    // The column type must be a date type 
-    string column_name = 1; 
- 
-    uint32 expire_after_seconds = 2; 
-} 
- 
-message ValueSinceUnixEpochModeSettings { 
-    // Same as DateTypeColumnModeSettings (above), but useful when type of the 
-    // value stored in <column_name> is not a date type. 
- 
-    enum Unit { 
-        UNIT_UNSPECIFIED = 0; 
-        UNIT_SECONDS = 1; 
-        UNIT_MILLISECONDS = 2; 
-        UNIT_MICROSECONDS = 3; 
-        UNIT_NANOSECONDS = 4; 
-    } 
- 
-    // The column type must be one of: 
-    // - Uint32 
-    // - Uint64 
-    // - DyNumber 
-    string column_name = 1; 
- 
-    // Interpretation of the value stored in <column_name> 
-    Unit column_unit = 2; 
- 
-    // This option is always interpreted as seconds regardless of the 
-    // <column_unit> value. 
-    uint32 expire_after_seconds = 3; 
-} 
- 
-message TtlSettings { 
-    oneof mode { 
-        DateTypeColumnModeSettings date_type_column = 1; 
-        ValueSinceUnixEpochModeSettings value_since_unix_epoch = 2; 
-    } 
- 
-    // There is no guarantee that expired row will be deleted immediately upon 
-    // expiration. There may be a delay between the time a row expires and the 
-    // time that server deletes the row from the table. 
- 
-    // Ttl periodically runs background removal operations (BRO) on table's partitions. 
-    // By default, there is: 
-    // - no more than one BRO on the table; 
-    // - BRO is started no more than once an hour on the same partition. 
-    // Use options below to change that behavior. 
- 
-    // How often to run BRO on the same partition. 
-    // BRO will not be started more often, but may be started less often. 
-    uint32 run_interval_seconds = 3; 
-} 
- 
+message DateTypeColumnModeSettings {
+    // The row will be considered as expired at the moment of time, when the value
+    // stored in <column_name> is less than or equal to the current time (in epoch
+    // time format), and <expire_after_seconds> has passed since that moment;
+    // i.e. the expiration threshold is the value of <column_name> plus <expire_after_seconds>.
+
+    // The column type must be a date type
+    string column_name = 1;
+
+    uint32 expire_after_seconds = 2;
+}
+
+message ValueSinceUnixEpochModeSettings {
+    // Same as DateTypeColumnModeSettings (above), but useful when type of the
+    // value stored in <column_name> is not a date type.
+
+    enum Unit {
+        UNIT_UNSPECIFIED = 0;
+        UNIT_SECONDS = 1;
+        UNIT_MILLISECONDS = 2;
+        UNIT_MICROSECONDS = 3;
+        UNIT_NANOSECONDS = 4;
+    }
+
+    // The column type must be one of:
+    // - Uint32
+    // - Uint64
+    // - DyNumber
+    string column_name = 1;
+
+    // Interpretation of the value stored in <column_name>
+    Unit column_unit = 2;
+
+    // This option is always interpreted as seconds regardless of the
+    // <column_unit> value.
+    uint32 expire_after_seconds = 3;
+}
+
+message TtlSettings {
+    oneof mode {
+        DateTypeColumnModeSettings date_type_column = 1;
+        ValueSinceUnixEpochModeSettings value_since_unix_epoch = 2;
+    }
+
+    // There is no guarantee that expired row will be deleted immediately upon
+    // expiration. There may be a delay between the time a row expires and the
+    // time that server deletes the row from the table.
+
+    // Ttl periodically runs background removal operations (BRO) on table's partitions.
+    // By default, there is:
+    // - no more than one BRO on the table;
+    // - BRO is started no more than once an hour on the same partition.
+    // Use options below to change that behavior.
+
+    // How often to run BRO on the same partition.
+    // BRO will not be started more often, but may be started less often.
+    uint32 run_interval_seconds = 3;
+}
+
 message StorageSettings {
     // This specifies internal channel 0 commit log storage pool
     // Fastest available storage recommended, negligible amounts of short-lived data
@@ -408,13 +408,13 @@ message CreateTableRequest {
     // List of secondary indexes
     repeated TableIndex indexes = 7;
     // Table rows time to live settings
-    TtlSettings ttl_settings = 8; 
+    TtlSettings ttl_settings = 8;
     // Storage settings for table
     StorageSettings storage_settings = 9;
     // Column families
     repeated ColumnFamily column_families = 10;
-    // Attributes. Total size is limited to 10 KB. 
-    map<string, string> attributes = 11 [(map_key).length.range = {min: 1, max: 100}, (length).range = {min: 1, max: 4096}]; 
+    // Attributes. Total size is limited to 10 KB.
+    map<string, string> attributes = 11 [(map_key).length.range = {min: 1, max: 100}, (length).range = {min: 1, max: 4096}];
     // Predefined named set of settings for table compaction ["default", "small_table", "log_table"].
     string compaction_policy = 12;
     // Either one of the following partitions options can be specified
@@ -465,10 +465,10 @@ message AlterTableRequest {
     // Columns to alter
     repeated ColumnMeta alter_columns = 6;
     // Setup or remove time to live settings
-    oneof ttl_action { 
-        TtlSettings set_ttl_settings = 7; 
-        google.protobuf.Empty drop_ttl_settings = 8; 
-    } 
+    oneof ttl_action {
+        TtlSettings set_ttl_settings = 7;
+        google.protobuf.Empty drop_ttl_settings = 8;
+    }
     // Add secondary indexes
     repeated TableIndex add_indexes = 9;
     // Remove secondary indexes
@@ -478,9 +478,9 @@ message AlterTableRequest {
     // Add/alter column families
     repeated ColumnFamily add_column_families = 12;
     repeated ColumnFamily alter_column_families = 13;
-    // Alter attributes. Leave the value blank to drop an attribute. 
-    // Cannot be used in combination with other fields (except session_id and path) at the moment. 
-    map<string, string> alter_attributes = 14 [(map_key).length.range = {min: 1, max: 100}, (length).le = 4096]; 
+    // Alter attributes. Leave the value blank to drop an attribute.
+    // Cannot be used in combination with other fields (except session_id and path) at the moment.
+    map<string, string> alter_attributes = 14 [(map_key).length.range = {min: 1, max: 100}, (length).le = 4096];
     // Set predefined named set of settings for table compaction ["default", "small_table", "log_table"].
     // Set "default" to use default preset.
     string set_compaction_policy = 15;
@@ -588,14 +588,14 @@ message DescribeTableResult {
     repeated TableIndexDescription indexes = 5;
     // Statistics of table
     TableStats table_stats = 6;
-    // TTL params 
-    TtlSettings ttl_settings = 7; 
+    // TTL params
+    TtlSettings ttl_settings = 7;
     // Storage settings for table
     StorageSettings storage_settings = 8;
     // Column families
     repeated ColumnFamily column_families = 9;
-    // Attributes 
-    map<string, string> attributes = 10; 
+    // Attributes
+    map<string, string> attributes = 10;
     // Predefined named set of settings for table compaction
     reserved 11; // compaction_policy
     // Partitioning settings for table
diff --git a/ydb/public/lib/deprecated/kicli/configurator.cpp b/ydb/public/lib/deprecated/kicli/configurator.cpp
index 485747c92e..2b3c28cf3f 100644
--- a/ydb/public/lib/deprecated/kicli/configurator.cpp
+++ b/ydb/public/lib/deprecated/kicli/configurator.cpp
@@ -42,10 +42,10 @@ TConfigurationResult TNodeConfigurator::SyncGetNodeConfig(ui32 nodeId,
                                                           const TString &host,
                                                           const TString &tenant,
                                                           const TString &nodeType,
-                                                          const TString& domain, 
-                                                          const TString& token) const 
+                                                          const TString& domain,
+                                                          const TString& token) const
 {
-    auto future = Kikimr->GetNodeConfig(nodeId, host, tenant, nodeType, domain, token); 
+    auto future = Kikimr->GetNodeConfig(nodeId, host, tenant, nodeType, domain, token);
     auto result = future.GetValue(TDuration::Max());
     return TConfigurationResult(result);
 }
diff --git a/ydb/public/lib/deprecated/kicli/kicli.h b/ydb/public/lib/deprecated/kicli/kicli.h
index bb9871c864..9dc472d231 100644
--- a/ydb/public/lib/deprecated/kicli/kicli.h
+++ b/ydb/public/lib/deprecated/kicli/kicli.h
@@ -578,7 +578,7 @@ public:
         OlapStore,
         OlapTable,
         Sequence,
-        Replication, 
+        Replication,
     };
 
     TSchemaObject(TSchemaObject&&) = default;
@@ -693,8 +693,8 @@ public:
                                            const TString &host,
                                            const TString &tenant,
                                            const TString &nodeType,
-                                           const TString& domain = "", 
-                                           const TString& token = "") const; 
+                                           const TString& domain = "",
+                                           const TString& token = "") const;
 
 private:
     TNodeConfigurator(TKikimr& kikimr);
@@ -798,8 +798,8 @@ protected:
                                                const TString &host,
                                                const TString &tenant,
                                                const TString &nodeType,
-                                               const TString& domain, 
-                                               const TString& token = TString()); 
+                                               const TString& domain,
+                                               const TString& token = TString());
 
     template <typename T> static void DumpRequest(const T& pb) {
         if (DUMP_REQUESTS) {
diff --git a/ydb/public/lib/deprecated/kicli/kikimr.cpp b/ydb/public/lib/deprecated/kicli/kikimr.cpp
index 3abf847868..4156d72d4b 100644
--- a/ydb/public/lib/deprecated/kicli/kikimr.cpp
+++ b/ydb/public/lib/deprecated/kicli/kikimr.cpp
@@ -598,8 +598,8 @@ NThreading::TFuture<TResult> TKikimr::GetNodeConfig(ui32 nodeId,
                                                     const TString &host,
                                                     const TString &tenant,
                                                     const TString &nodeType,
-                                                    const TString& domain, 
-                                                    const TString& token) 
+                                                    const TString& domain,
+                                                    const TString& token)
 {
     TAutoPtr<NMsgBusProxy::TBusConsoleRequest> request = new NMsgBusProxy::TBusConsoleRequest;
     auto &node = *request->Record.MutableGetNodeConfigRequest()->MutableNode();
@@ -609,8 +609,8 @@ NThreading::TFuture<TResult> TKikimr::GetNodeConfig(ui32 nodeId,
     node.SetNodeType(nodeType);
     if (domain)
         request->Record.SetDomainName(domain);
-    if (token) 
-        request->Record.SetSecurityToken(token); 
+    if (token)
+        request->Record.SetSecurityToken(token);
     return ExecuteRequest(request.Release());
 }
 
diff --git a/ydb/public/lib/deprecated/kicli/schema.cpp b/ydb/public/lib/deprecated/kicli/schema.cpp
index c4167dba3b..d1ee0384f8 100644
--- a/ydb/public/lib/deprecated/kicli/schema.cpp
+++ b/ydb/public/lib/deprecated/kicli/schema.cpp
@@ -116,9 +116,9 @@ void TSchemaObject::Drop() {
     case EPathType::Sequence:
         drop.SetOperationType(NKikimrSchemeOp::EOperationType::ESchemeOpDropSequence);
         break;
-    case EPathType::Replication: 
-        drop.SetOperationType(NKikimrSchemeOp::EOperationType::ESchemeOpDropReplication); 
-        break; 
+    case EPathType::Replication:
+        drop.SetOperationType(NKikimrSchemeOp::EOperationType::ESchemeOpDropReplication);
+        break;
     case EPathType::Unknown:
     case EPathType::SubDomain:
     case EPathType::RtmrVolume:
@@ -200,8 +200,8 @@ static TSchemaObject::EPathType GetType(const NKikimrSchemeOp::TDirEntry& entry)
         return TSchemaObject::EPathType::OlapTable;
     case NKikimrSchemeOp::EPathTypeSequence:
         return TSchemaObject::EPathType::Sequence;
-    case NKikimrSchemeOp::EPathTypeReplication: 
-        return TSchemaObject::EPathType::Replication; 
+    case NKikimrSchemeOp::EPathTypeReplication:
+        return TSchemaObject::EPathType::Replication;
     case NKikimrSchemeOp::EPathTypeTableIndex:
     case NKikimrSchemeOp::EPathTypeExtSubDomain:
     case NKikimrSchemeOp::EPathTypeCdcStream:
diff --git a/ydb/public/lib/experimental/ydb_logstore.cpp b/ydb/public/lib/experimental/ydb_logstore.cpp
index 3e0393ae9e..9bd2da5107 100644
--- a/ydb/public/lib/experimental/ydb_logstore.cpp
+++ b/ydb/public/lib/experimental/ydb_logstore.cpp
@@ -17,17 +17,17 @@ namespace NLogStore {
 
 TMaybe<TTtlSettings> TtlSettingsFromProto(const Ydb::Table::TtlSettings& proto) {
     switch (proto.mode_case()) {
-    case Ydb::Table::TtlSettings::kDateTypeColumn: 
-        return TTtlSettings( 
-            proto.date_type_column(), 
-            proto.run_interval_seconds() 
-        ); 
-
-    case Ydb::Table::TtlSettings::kValueSinceUnixEpoch: 
-        return TTtlSettings( 
-            proto.value_since_unix_epoch(), 
-            proto.run_interval_seconds() 
-        ); 
+    case Ydb::Table::TtlSettings::kDateTypeColumn:
+        return TTtlSettings(
+            proto.date_type_column(),
+            proto.run_interval_seconds()
+        );
+
+    case Ydb::Table::TtlSettings::kValueSinceUnixEpoch:
+        return TTtlSettings(
+            proto.value_since_unix_epoch(),
+            proto.run_interval_seconds()
+        );
 
     default:
         break;
diff --git a/ydb/public/lib/operation_id/operation_id.cpp b/ydb/public/lib/operation_id/operation_id.cpp
index ecdae5f926..725da690f4 100644
--- a/ydb/public/lib/operation_id/operation_id.cpp
+++ b/ydb/public/lib/operation_id/operation_id.cpp
@@ -1,15 +1,15 @@
 #include "operation_id.h"
 
 #include <google/protobuf/message.h>
- 
+
 #include <library/cpp/cgiparam/cgiparam.h>
 #include <library/cpp/uri/uri.h>
- 
+
 #include <util/generic/yexception.h>
 #include <util/string/cast.h>
 
 namespace NKikimr {
-namespace NOperationId { 
+namespace NOperationId {
 
 using namespace NUri;
 
@@ -33,12 +33,12 @@ TString ProtoToString(const Ydb::TOperationId& proto) {
         case Ydb::TOperationId::CMS_REQUEST:
             res << "ydb://cmsrequest";
             break;
-        case Ydb::TOperationId::EXPORT: 
-            res << "ydb://export"; 
-            break; 
-        case Ydb::TOperationId::IMPORT: 
-            res << "ydb://import"; 
-            break; 
+        case Ydb::TOperationId::EXPORT:
+            res << "ydb://export";
+            break;
+        case Ydb::TOperationId::IMPORT:
+            res << "ydb://import";
+            break;
         case Ydb::TOperationId::BUILD_INDEX:
             res << "ydb://buildindex";
             break;
@@ -83,16 +83,16 @@ TString ProtoToString(const Ydb::TOperationId& proto) {
     return res.Str();
 }
 
-TOperationId::TOperationId() { 
-    SetKind(Ydb::TOperationId::UNUSED); 
-} 
- 
-TOperationId::TOperationId(const TString &string, bool allowEmpty) { 
-    if (allowEmpty && string.empty()) { 
-        SetKind(Ydb::TOperationId::UNUSED); 
-        return; 
-    } 
- 
+TOperationId::TOperationId() {
+    SetKind(Ydb::TOperationId::UNUSED);
+}
+
+TOperationId::TOperationId(const TString &string, bool allowEmpty) {
+    if (allowEmpty && string.empty()) {
+        SetKind(Ydb::TOperationId::UNUSED);
+        return;
+    }
+
     TUri uri;
     TState::EParsed er = uri.Parse(string, TFeature::FeaturesDefault | TFeature::FeatureSchemeFlexible);
     if (er != TState::ParsedOK) {
@@ -104,15 +104,15 @@ TOperationId::TOperationId(const TString &string, bool allowEmpty) {
         ythrow yexception() << "Invalid path length";
     }
 
-    int kind; 
+    int kind;
     if (!TryFromString(path, kind)) {
         ythrow yexception() << "Unable to cast \"kind\" field: " << path;
     }
 
-    if (!EKind_IsValid(kind)) { 
-        ythrow yexception() << "Invalid operation kind: " << kind; 
-    } 
- 
+    if (!EKind_IsValid(kind)) {
+        ythrow yexception() << "Invalid operation kind: " << kind;
+    }
+
     SetKind(static_cast<Ydb::TOperationId::EKind>(kind));
 
     const TString& query = uri.PrintS(TField::FlagQuery);
@@ -136,40 +136,40 @@ const TVector<const TString*>& TOperationId::GetValue(const TString &key) const
     ythrow yexception() << "Unable to find key: " << key;
 }
 
-TString TOperationId::GetSubKind() const { 
-    auto it = Index_.find("kind"); 
-    if (it == Index_.end()) { 
-        return TString(); 
-    } 
- 
-    if (it->second.size() != 1) { 
-        ythrow yexception() << "Unable to retreive sub-kind"; 
-    } 
- 
-    return *it->second.at(0); 
-} 
- 
+TString TOperationId::GetSubKind() const {
+    auto it = Index_.find("kind");
+    if (it == Index_.end()) {
+        return TString();
+    }
+
+    if (it->second.size() != 1) {
+        ythrow yexception() << "Unable to retreive sub-kind";
+    }
+
+    return *it->second.at(0);
+}
+
 void AddOptionalValue(Ydb::TOperationId& proto, const TString& key, const TString& value) {
     auto data = proto.AddData();
     data->SetKey(key);
     data->SetValue(value);
 }
 
-Ydb::TOperationId::EKind ParseKind(const TStringBuf value) { 
-    if (value.StartsWith("export")) { 
-        return Ydb::TOperationId::EXPORT; 
-    } 
- 
-    if (value.StartsWith("import")) { 
-        return Ydb::TOperationId::IMPORT; 
-    } 
- 
+Ydb::TOperationId::EKind ParseKind(const TStringBuf value) {
+    if (value.StartsWith("export")) {
+        return Ydb::TOperationId::EXPORT;
+    }
+
+    if (value.StartsWith("import")) {
+        return Ydb::TOperationId::IMPORT;
+    }
+
     if (value.StartsWith("buildindex")) {
         return Ydb::TOperationId::BUILD_INDEX;
     }
 
-    return Ydb::TOperationId::UNUSED; 
-} 
- 
-} // namespace NOperationId 
+    return Ydb::TOperationId::UNUSED;
+}
+
+} // namespace NOperationId
 } // namespace NKikimr
diff --git a/ydb/public/lib/operation_id/operation_id.h b/ydb/public/lib/operation_id/operation_id.h
index 8fc8701f4b..23f91140d1 100644
--- a/ydb/public/lib/operation_id/operation_id.h
+++ b/ydb/public/lib/operation_id/operation_id.h
@@ -7,15 +7,15 @@
 #include <util/generic/vector.h>
 
 namespace NKikimr {
-namespace NOperationId { 
+namespace NOperationId {
 
 class TOperationId : public Ydb::TOperationId {
 public:
-    TOperationId(); 
-    explicit TOperationId(const TString& string, bool allowEmpty = false); 
+    TOperationId();
+    explicit TOperationId(const TString& string, bool allowEmpty = false);
     const TVector<const TString*>& GetValue(const TString& key) const;
-    TString GetSubKind() const; 
- 
+    TString GetSubKind() const;
+
 private:
      THashMap<TString, TVector<const TString*>> Index_;
 };
@@ -23,7 +23,7 @@ private:
 TString ProtoToString(const Ydb::TOperationId& proto);
 void AddOptionalValue(Ydb::TOperationId& proto, const TString& key, const TString& value);
 void AddOptionalValue(Ydb::TOperationId& proto, const TString& key, const char* value, size_t size);
-Ydb::TOperationId::EKind ParseKind(const TStringBuf value); 
+Ydb::TOperationId::EKind ParseKind(const TStringBuf value);
 
-} // namespace NOperationId 
+} // namespace NOperationId
 } // namespace NKikimr
diff --git a/ydb/public/lib/operation_id/operation_id_ut.cpp b/ydb/public/lib/operation_id/operation_id_ut.cpp
index 52e39a8307..64fbedce4b 100644
--- a/ydb/public/lib/operation_id/operation_id_ut.cpp
+++ b/ydb/public/lib/operation_id/operation_id_ut.cpp
@@ -4,7 +4,7 @@
 #include <library/cpp/testing/unittest/registar.h>
 
 namespace NKikimr {
-namespace NOperationId { 
+namespace NOperationId {
 
 Y_UNIT_TEST_SUITE(OperationIdTest) {
     Y_UNIT_TEST(ConvertKindOnly) {
@@ -48,5 +48,5 @@ Y_UNIT_TEST_SUITE(OperationIdTest) {
     }
 }
 
-} // namespace NOperationId 
+} // namespace NOperationId
 } // namespace NKikimr
diff --git a/ydb/public/lib/operation_id/protos/operation_id.proto b/ydb/public/lib/operation_id/protos/operation_id.proto
index c5bf39652f..b6534e794b 100644
--- a/ydb/public/lib/operation_id/protos/operation_id.proto
+++ b/ydb/public/lib/operation_id/protos/operation_id.proto
@@ -10,16 +10,16 @@ message TOperationId {
         SESSION_YQL = 3;
         PREPARED_QUERY_ID = 4;
         CMS_REQUEST = 5;
-        EXPORT = 6; 
+        EXPORT = 6;
         BUILD_INDEX = 7;
-        IMPORT = 8; 
+        IMPORT = 8;
     }
- 
+
     message TData {
         string Key = 1;
         string Value = 2;
     }
- 
+
     EKind Kind = 1;
     repeated TData Data = 3;
 }
diff --git a/ydb/public/lib/operation_id/protos/ya.make b/ydb/public/lib/operation_id/protos/ya.make
index 6e4afbb955..e1b15b77c1 100644
--- a/ydb/public/lib/operation_id/protos/ya.make
+++ b/ydb/public/lib/operation_id/protos/ya.make
@@ -1,15 +1,15 @@
-PROTO_LIBRARY() 
- 
+PROTO_LIBRARY()
+
 OWNER(g:kikimr)
- 
-IF (OS_WINDOWS) 
-    NO_OPTIMIZE_PY_PROTOS() 
-ENDIF() 
- 
-SRCS( 
-    operation_id.proto 
-) 
- 
+
+IF (OS_WINDOWS)
+    NO_OPTIMIZE_PY_PROTOS()
+ENDIF()
+
+SRCS(
+    operation_id.proto
+)
+
 EXCLUDE_TAGS(GO_PROTO)
 
-END() 
+END()
diff --git a/ydb/public/lib/operation_id/ut/ya.make b/ydb/public/lib/operation_id/ut/ya.make
index 75c72cd45e..bff26b3e09 100644
--- a/ydb/public/lib/operation_id/ut/ya.make
+++ b/ydb/public/lib/operation_id/ut/ya.make
@@ -1,22 +1,22 @@
 UNITTEST_FOR(ydb/public/lib/operation_id)
- 
-OWNER( 
-    dcherednik 
-    g:kikimr 
-) 
- 
-FORK_SUBTESTS() 
- 
-IF (SANITIZER_TYPE OR WITH_VALGRIND) 
-    SIZE(MEDIUM) 
-ENDIF() 
- 
-SRCS( 
-    operation_id_ut.cpp 
-) 
- 
-PEERDIR( 
+
+OWNER(
+    dcherednik
+    g:kikimr
+)
+
+FORK_SUBTESTS()
+
+IF (SANITIZER_TYPE OR WITH_VALGRIND)
+    SIZE(MEDIUM)
+ENDIF()
+
+SRCS(
+    operation_id_ut.cpp
+)
+
+PEERDIR(
     library/cpp/testing/unittest
-) 
- 
-END() 
+)
+
+END()
diff --git a/ydb/public/lib/operation_id/ya.make b/ydb/public/lib/operation_id/ya.make
index 74e3d3cbff..d8a249f59a 100644
--- a/ydb/public/lib/operation_id/ya.make
+++ b/ydb/public/lib/operation_id/ya.make
@@ -1,22 +1,22 @@
-LIBRARY() 
- 
-OWNER( 
-    dcherednik 
-    g:kikimr 
-) 
- 
-SRCS( 
-    operation_id.cpp 
-) 
- 
-PEERDIR( 
-    contrib/libs/protobuf 
+LIBRARY()
+
+OWNER(
+    dcherednik
+    g:kikimr
+)
+
+SRCS(
+    operation_id.cpp
+)
+
+PEERDIR(
+    contrib/libs/protobuf
     library/cpp/cgiparam
     library/cpp/uri
     ydb/public/lib/operation_id/protos
-) 
- 
-END() 
+)
+
+END()
 
 RECURSE_FOR_TESTS(
     ut
diff --git a/ydb/public/lib/ya.make b/ydb/public/lib/ya.make
index 73ddcf46dd..a4f529b44b 100644
--- a/ydb/public/lib/ya.make
+++ b/ydb/public/lib/ya.make
@@ -7,7 +7,7 @@ RECURSE(
     idx_test
     json_value
     jwt
-    operation_id 
+    operation_id
     scheme_types
     value
     ydb_cli
diff --git a/ydb/public/lib/ydb_cli/commands/ydb_common.h b/ydb/public/lib/ydb_cli/commands/ydb_common.h
index d4e793e177..7561c6476e 100644
--- a/ydb/public/lib/ydb_cli/commands/ydb_common.h
+++ b/ydb/public/lib/ydb_cli/commands/ydb_common.h
@@ -37,11 +37,11 @@ inline void ThrowOnError(NYdb::TStatus status) {
     }
 }
 
-inline void ThrowOnError(const NYdb::TOperation& operation) { 
+inline void ThrowOnError(const NYdb::TOperation& operation) {
     if (!operation.Ready())
         return;
-    ThrowOnError(operation.Status()); 
+    ThrowOnError(operation.Status());
+}
+
 }
- 
 }
-} 
diff --git a/ydb/public/lib/ydb_cli/commands/ydb_service_export.cpp b/ydb/public/lib/ydb_cli/commands/ydb_service_export.cpp
index 04ce2be0d3..f997343dc8 100644
--- a/ydb/public/lib/ydb_cli/commands/ydb_service_export.cpp
+++ b/ydb/public/lib/ydb_cli/commands/ydb_service_export.cpp
@@ -1,324 +1,324 @@
-#include "ydb_service_export.h" 
- 
+#include "ydb_service_export.h"
+
 #include <ydb/public/sdk/cpp/client/ydb_scheme/scheme.h>
 #include <ydb/public/lib/ydb_cli/common/normalize_path.h>
 #include <ydb/public/lib/ydb_cli/common/print_operation.h>
 #include <ydb/public/lib/ydb_cli/common/recursive_list.h>
- 
-#include <util/generic/serialized_enum.h> 
-#include <util/string/builder.h> 
- 
-namespace NYdb { 
-namespace NConsoleClient { 
- 
-static const TString AppendPrefix = "<append=true>"; 
- 
-namespace { 
- 
-    const char slashC = '/'; 
-    const TStringBuf slash(&slashC, 1); 
- 
-    bool FilterTables(const NScheme::TSchemeEntry& entry) { 
-        return entry.Type == NScheme::ESchemeEntryType::Table; 
-    } 
- 
-    TVector<std::pair<TString, TString>> ExpandItem(NScheme::TSchemeClient& client, TStringBuf srcPath, TStringBuf dstPath) { 
-        // cut trailing slash 
-        srcPath.ChopSuffix(slash); 
-        dstPath.ChopSuffix(slash); 
- 
-        const auto ret = RecursiveList(client, TString{srcPath}, TRecursiveListSettings().Filter(&FilterTables)); 
-        ThrowOnError(ret.Status); 
- 
-        if (ret.Entries.size() == 1 && srcPath == ret.Entries[0].Name) { 
+
+#include <util/generic/serialized_enum.h>
+#include <util/string/builder.h>
+
+namespace NYdb {
+namespace NConsoleClient {
+
+static const TString AppendPrefix = "<append=true>";
+
+namespace {
+
+    const char slashC = '/';
+    const TStringBuf slash(&slashC, 1);
+
+    bool FilterTables(const NScheme::TSchemeEntry& entry) {
+        return entry.Type == NScheme::ESchemeEntryType::Table;
+    }
+
+    TVector<std::pair<TString, TString>> ExpandItem(NScheme::TSchemeClient& client, TStringBuf srcPath, TStringBuf dstPath) {
+        // cut trailing slash
+        srcPath.ChopSuffix(slash);
+        dstPath.ChopSuffix(slash);
+
+        const auto ret = RecursiveList(client, TString{srcPath}, TRecursiveListSettings().Filter(&FilterTables));
+        ThrowOnError(ret.Status);
+
+        if (ret.Entries.size() == 1 && srcPath == ret.Entries[0].Name) {
             return {{TString{srcPath}, TString{dstPath}}};
-        } 
- 
-        TVector<std::pair<TString, TString>> result; 
-        for (const auto& table : ret.Entries) { 
-            result.emplace_back(table.Name, TStringBuilder() << dstPath << TStringBuf(table.Name).RNextTok(srcPath)); 
-        } 
- 
-        return result; 
-    } 
- 
-    template <typename TSettings> 
-    void ExpandItems(NScheme::TSchemeClient& client, TSettings& settings, const TVector<TRegExMatch>& exclusions) { 
-        auto isExclusion = [&exclusions](const char* str) -> bool { 
-            for (const auto& pattern : exclusions) { 
-                if (pattern.Match(str)) { 
-                    return true; 
-                } 
-            } 
- 
-            return false; 
-        }; 
- 
-        auto items(std::move(settings.Item_)); 
-        for (const auto& item : items) { 
-            for (const auto& [src, dst] : ExpandItem(client, item.Src, item.Dst)) { 
-                if (isExclusion(src.c_str())) { 
-                    continue; 
-                } 
- 
-                settings.AppendItem({src, dst}); 
-            } 
-        } 
-    } 
- 
-} // anonymous namespace 
- 
+        }
+
+        TVector<std::pair<TString, TString>> result;
+        for (const auto& table : ret.Entries) {
+            result.emplace_back(table.Name, TStringBuilder() << dstPath << TStringBuf(table.Name).RNextTok(srcPath));
+        }
+
+        return result;
+    }
+
+    template <typename TSettings>
+    void ExpandItems(NScheme::TSchemeClient& client, TSettings& settings, const TVector<TRegExMatch>& exclusions) {
+        auto isExclusion = [&exclusions](const char* str) -> bool {
+            for (const auto& pattern : exclusions) {
+                if (pattern.Match(str)) {
+                    return true;
+                }
+            }
+
+            return false;
+        };
+
+        auto items(std::move(settings.Item_));
+        for (const auto& item : items) {
+            for (const auto& [src, dst] : ExpandItem(client, item.Src, item.Dst)) {
+                if (isExclusion(src.c_str())) {
+                    continue;
+                }
+
+                settings.AppendItem({src, dst});
+            }
+        }
+    }
+
+} // anonymous namespace
+
 TCommandExport::TCommandExport(bool useExportToYt)
-    : TClientCommandTree("export", {}, "Export service operations") 
-{ 
+    : TClientCommandTree("export", {}, "Export service operations")
+{
     if (useExportToYt) {
         AddCommand(std::make_unique<TCommandExportToYt>());
     }
     AddCommand(std::make_unique<TCommandExportToS3>());
-} 
- 
-/// YT 
-TCommandExportToYt::TCommandExportToYt() 
-    : TYdbOperationCommand("yt", {}, "Create export to YT") 
-{ 
-    NColorizer::TColors colors = NColorizer::AutoColors(Cout); 
-    TItem::DefineFields({ 
-        {"Source", {{"source", "src", "s"}, "Database path to a directory or a table to be exported", true}}, 
-        {"Destination", {{"destination", "dst", "d"}, "Path to a table or a directory in YT", true}}, 
-        {"Append", {{"append", "a"}, TStringBuilder() << "Append rows to existent YT table (default: " 
-            << colors.CyanColor() << "true" << colors.OldColor() << ")", false}} 
-    }); 
-} 
- 
-void TCommandExportToYt::Config(TConfig& config) { 
-    TYdbOperationCommand::Config(config); 
- 
-    TStringBuilder proxyHelp; 
-    proxyHelp << "YT proxy to connect to" << Endl 
-        << "  Search order:" << Endl 
-        << "    1. This option" << Endl 
-        << "    2. \"YT_PROXY\" environment variable"; 
-    config.Opts->AddLongOption("proxy", proxyHelp) 
-        .RequiredArgument("PROXY"); 
- 
-    TStringBuilder tokenHelp; 
-    tokenHelp << "OAuth token" << Endl 
-        << "  Search order:" << Endl 
-        << "    1. This option" << Endl 
-        << "    2. \"YT_TOKEN\" environment variable" << Endl 
-        << "    3. \"" << YtTokenFile << "\" file"; 
-    config.Opts->AddLongOption("token", tokenHelp) 
-        .RequiredArgument("TOKEN"); 
- 
-    TStringBuilder itemHelp; 
-    itemHelp << "[At least one] Item specification" << Endl 
-        << "  Possible property names:" << Endl 
-        << TItem::FormatHelp(2); 
-    config.Opts->AddLongOption("item", itemHelp) 
-        .RequiredArgument("PROPERTY=VALUE,..."); 
- 
-    config.Opts->AddLongOption("exclude", "Pattern (PCRE) for paths excluded from export operation") 
-        .RequiredArgument("STRING").Handler1T<TString>([this](const TString& arg) { 
-            ExclusionPatterns.emplace_back(TRegExMatch(arg)); 
-        }); 
- 
-    config.Opts->AddLongOption("description", "Textual description of export operation") 
-        .RequiredArgument("STRING").StoreResult(&Description); 
- 
-    config.Opts->AddLongOption("retries", "Number of retries") 
-        .RequiredArgument("NUM").StoreResult(&NumberOfRetries).DefaultValue(NumberOfRetries); 
- 
-    config.Opts->AddLongOption("use-type-v3", "Use YT's type_v3") 
-        .NoArgument().StoreTrue(&UseTypeV3); 
- 
-    AddJsonOption(config); 
+}
+
+/// YT
+TCommandExportToYt::TCommandExportToYt()
+    : TYdbOperationCommand("yt", {}, "Create export to YT")
+{
+    NColorizer::TColors colors = NColorizer::AutoColors(Cout);
+    TItem::DefineFields({
+        {"Source", {{"source", "src", "s"}, "Database path to a directory or a table to be exported", true}},
+        {"Destination", {{"destination", "dst", "d"}, "Path to a table or a directory in YT", true}},
+        {"Append", {{"append", "a"}, TStringBuilder() << "Append rows to existent YT table (default: "
+            << colors.CyanColor() << "true" << colors.OldColor() << ")", false}}
+    });
+}
+
+void TCommandExportToYt::Config(TConfig& config) {
+    TYdbOperationCommand::Config(config);
+
+    TStringBuilder proxyHelp;
+    proxyHelp << "YT proxy to connect to" << Endl
+        << "  Search order:" << Endl
+        << "    1. This option" << Endl
+        << "    2. \"YT_PROXY\" environment variable";
+    config.Opts->AddLongOption("proxy", proxyHelp)
+        .RequiredArgument("PROXY");
+
+    TStringBuilder tokenHelp;
+    tokenHelp << "OAuth token" << Endl
+        << "  Search order:" << Endl
+        << "    1. This option" << Endl
+        << "    2. \"YT_TOKEN\" environment variable" << Endl
+        << "    3. \"" << YtTokenFile << "\" file";
+    config.Opts->AddLongOption("token", tokenHelp)
+        .RequiredArgument("TOKEN");
+
+    TStringBuilder itemHelp;
+    itemHelp << "[At least one] Item specification" << Endl
+        << "  Possible property names:" << Endl
+        << TItem::FormatHelp(2);
+    config.Opts->AddLongOption("item", itemHelp)
+        .RequiredArgument("PROPERTY=VALUE,...");
+
+    config.Opts->AddLongOption("exclude", "Pattern (PCRE) for paths excluded from export operation")
+        .RequiredArgument("STRING").Handler1T<TString>([this](const TString& arg) {
+            ExclusionPatterns.emplace_back(TRegExMatch(arg));
+        });
+
+    config.Opts->AddLongOption("description", "Textual description of export operation")
+        .RequiredArgument("STRING").StoreResult(&Description);
+
+    config.Opts->AddLongOption("retries", "Number of retries")
+        .RequiredArgument("NUM").StoreResult(&NumberOfRetries).DefaultValue(NumberOfRetries);
+
+    config.Opts->AddLongOption("use-type-v3", "Use YT's type_v3")
+        .NoArgument().StoreTrue(&UseTypeV3);
+
+    AddJsonOption(config);
     AddFormats(config, { EOutputFormat::Pretty, EOutputFormat::ProtoJsonBase64 });
     config.Opts->MutuallyExclusive("json", "format");
-} 
- 
-void TCommandExportToYt::Parse(TConfig& config) { 
-    TClientCommand::Parse(config); 
+}
+
+void TCommandExportToYt::Parse(TConfig& config) {
+    TClientCommand::Parse(config);
     ParseFormats();
- 
-    ParseYtProxy(config, "proxy"); 
-    ParseYtToken(config, "token"); 
- 
-    Items = TItem::Parse(config, "item"); 
-    if (Items.empty()) { 
-        throw TMissUseException() << "At least one item should be provided"; 
-    } 
- 
-    for (auto& item : Items) { 
-        NConsoleClient::AdjustPath(item.Source, config); 
- 
-        const bool hasAppendPrefix = item.Destination.StartsWith(AppendPrefix); 
-        if (item.Append && !hasAppendPrefix) { 
-            item.Destination.prepend(AppendPrefix); 
-        } else if (!item.Append && hasAppendPrefix) { 
-            Cerr << "warning: 'Append' option is false, but path has " 
-                 << "'" << AppendPrefix << "' prefix: " << item.Destination << Endl; 
-        } 
-    } 
-} 
- 
-int TCommandExportToYt::Run(TConfig& config) { 
-    using namespace NExport; 
-    using namespace NScheme; 
- 
-    TExportToYtSettings settings = FillSettings(TExportToYtSettings()); 
- 
-    settings.Host(YtHost); 
-    settings.Port(YtPort); 
-    settings.Token(YtToken); 
- 
-    for (const auto& item : Items) { 
-        settings.AppendItem({item.Source, item.Destination}); 
-    } 
- 
-    if (Description) { 
-        settings.Description(Description); 
-    } 
- 
-    settings.NumberOfRetries(NumberOfRetries); 
-    settings.UseTypeV3(UseTypeV3); 
- 
-    const TDriver driver = CreateDriver(config); 
- 
-    TSchemeClient schemeClient(driver); 
-    ExpandItems(schemeClient, settings, ExclusionPatterns); 
- 
-    TExportClient client(driver); 
-    TExportToYtResponse response = client.ExportToYt(std::move(settings)).GetValueSync(); 
-    ThrowOnError(response); 
-    PrintOperation(response, OutputFormat); 
- 
-    return EXIT_SUCCESS; 
-} 
- 
-/// S3 
-TCommandExportToS3::TCommandExportToS3() 
-    : TYdbOperationCommand("s3", {}, "Create export to S3") 
-{ 
-    TItem::DefineFields({ 
-        {"Source", {{"source", "src", "s"}, "Database path to a directory or a table to be exported", true}}, 
-        {"Destination", {{"destination", "dst", "d"}, "S3 object key prefix", true}}, 
-    }); 
-} 
- 
-void TCommandExportToS3::Config(TConfig& config) { 
-    TYdbOperationCommand::Config(config); 
- 
-    config.Opts->AddLongOption("s3-endpoint", "S3 endpoint to connect to") 
-        .Required().RequiredArgument("ENDPOINT").StoreResult(&AwsEndpoint); 
- 
-    config.Opts->AddLongOption("scheme", "S3 endpoint scheme") 
-        .RequiredArgument("SCHEME").StoreResult(&AwsScheme).DefaultValue(AwsScheme); 
- 
-    TStringBuilder storageClassHelp; 
-    storageClassHelp << "S3 storage class" << Endl 
-        << "  Available options:" << Endl; 
-    for (auto value : GetEnumAllValues<EStorageClass>()) { 
-        storageClassHelp << "    - " << value << Endl; 
-    } 
-    config.Opts->AddLongOption("storage-class", storageClassHelp) 
-        .RequiredArgument("STORAGE_CLASS").StoreResult(&AwsStorageClass).DefaultValue(AwsStorageClass); 
- 
-    config.Opts->AddLongOption("bucket", "S3 bucket") 
-        .Required().RequiredArgument("BUCKET").StoreResult(&AwsBucket); 
- 
-    TStringBuilder accessKeyHelp; 
-    accessKeyHelp << "Access key id" << Endl 
-        << "  Search order:" << Endl 
-        << "    1. This option" << Endl 
-        << "    2. \"AWS_ACCESS_KEY_ID\" environment variable" << Endl 
-        << "    3. \"aws_access_key_id\" key in \"" << AwsCredentialsFile << "\" file"; 
-    config.Opts->AddLongOption("access-key", accessKeyHelp) 
-        .RequiredArgument("STRING"); 
- 
-    TStringBuilder secretKeyHelp; 
-    secretKeyHelp << "Secret key" << Endl 
-        << "  Search order:" << Endl 
-        << "    1. This option" << Endl 
-        << "    2. \"AWS_SECRET_ACCESS_KEY\" environment variable" << Endl 
-        << "    3. \"aws_secret_access_key\" key in \"" << AwsCredentialsFile << "\" file"; 
-    config.Opts->AddLongOption("secret-key", secretKeyHelp) 
-        .RequiredArgument("STRING"); 
- 
-    TStringBuilder itemHelp; 
-    itemHelp << "[At least one] Item specification" << Endl 
-        << "  Possible property names:" << Endl 
-        << TItem::FormatHelp(2); 
-    config.Opts->AddLongOption("item", itemHelp) 
-        .RequiredArgument("PROPERTY=VALUE,..."); 
- 
-    config.Opts->AddLongOption("exclude", "Pattern (PCRE) for paths excluded from export operation") 
-        .RequiredArgument("STRING").Handler1T<TString>([this](const TString& arg) { 
-            ExclusionPatterns.emplace_back(TRegExMatch(arg)); 
-        }); 
- 
-    config.Opts->AddLongOption("description", "Textual description of export operation") 
-        .RequiredArgument("STRING").StoreResult(&Description); 
- 
-    config.Opts->AddLongOption("retries", "Number of retries") 
-        .RequiredArgument("NUM").StoreResult(&NumberOfRetries).DefaultValue(NumberOfRetries); 
- 
-    AddJsonOption(config); 
+
+    ParseYtProxy(config, "proxy");
+    ParseYtToken(config, "token");
+
+    Items = TItem::Parse(config, "item");
+    if (Items.empty()) {
+        throw TMissUseException() << "At least one item should be provided";
+    }
+
+    for (auto& item : Items) {
+        NConsoleClient::AdjustPath(item.Source, config);
+
+        const bool hasAppendPrefix = item.Destination.StartsWith(AppendPrefix);
+        if (item.Append && !hasAppendPrefix) {
+            item.Destination.prepend(AppendPrefix);
+        } else if (!item.Append && hasAppendPrefix) {
+            Cerr << "warning: 'Append' option is false, but path has "
+                 << "'" << AppendPrefix << "' prefix: " << item.Destination << Endl;
+        }
+    }
+}
+
+int TCommandExportToYt::Run(TConfig& config) {
+    using namespace NExport;
+    using namespace NScheme;
+
+    TExportToYtSettings settings = FillSettings(TExportToYtSettings());
+
+    settings.Host(YtHost);
+    settings.Port(YtPort);
+    settings.Token(YtToken);
+
+    for (const auto& item : Items) {
+        settings.AppendItem({item.Source, item.Destination});
+    }
+
+    if (Description) {
+        settings.Description(Description);
+    }
+
+    settings.NumberOfRetries(NumberOfRetries);
+    settings.UseTypeV3(UseTypeV3);
+
+    const TDriver driver = CreateDriver(config);
+
+    TSchemeClient schemeClient(driver);
+    ExpandItems(schemeClient, settings, ExclusionPatterns);
+
+    TExportClient client(driver);
+    TExportToYtResponse response = client.ExportToYt(std::move(settings)).GetValueSync();
+    ThrowOnError(response);
+    PrintOperation(response, OutputFormat);
+
+    return EXIT_SUCCESS;
+}
+
+/// S3
+TCommandExportToS3::TCommandExportToS3()
+    : TYdbOperationCommand("s3", {}, "Create export to S3")
+{
+    TItem::DefineFields({
+        {"Source", {{"source", "src", "s"}, "Database path to a directory or a table to be exported", true}},
+        {"Destination", {{"destination", "dst", "d"}, "S3 object key prefix", true}},
+    });
+}
+
+void TCommandExportToS3::Config(TConfig& config) {
+    TYdbOperationCommand::Config(config);
+
+    config.Opts->AddLongOption("s3-endpoint", "S3 endpoint to connect to")
+        .Required().RequiredArgument("ENDPOINT").StoreResult(&AwsEndpoint);
+
+    config.Opts->AddLongOption("scheme", "S3 endpoint scheme")
+        .RequiredArgument("SCHEME").StoreResult(&AwsScheme).DefaultValue(AwsScheme);
+
+    TStringBuilder storageClassHelp;
+    storageClassHelp << "S3 storage class" << Endl
+        << "  Available options:" << Endl;
+    for (auto value : GetEnumAllValues<EStorageClass>()) {
+        storageClassHelp << "    - " << value << Endl;
+    }
+    config.Opts->AddLongOption("storage-class", storageClassHelp)
+        .RequiredArgument("STORAGE_CLASS").StoreResult(&AwsStorageClass).DefaultValue(AwsStorageClass);
+
+    config.Opts->AddLongOption("bucket", "S3 bucket")
+        .Required().RequiredArgument("BUCKET").StoreResult(&AwsBucket);
+
+    TStringBuilder accessKeyHelp;
+    accessKeyHelp << "Access key id" << Endl
+        << "  Search order:" << Endl
+        << "    1. This option" << Endl
+        << "    2. \"AWS_ACCESS_KEY_ID\" environment variable" << Endl
+        << "    3. \"aws_access_key_id\" key in \"" << AwsCredentialsFile << "\" file";
+    config.Opts->AddLongOption("access-key", accessKeyHelp)
+        .RequiredArgument("STRING");
+
+    TStringBuilder secretKeyHelp;
+    secretKeyHelp << "Secret key" << Endl
+        << "  Search order:" << Endl
+        << "    1. This option" << Endl
+        << "    2. \"AWS_SECRET_ACCESS_KEY\" environment variable" << Endl
+        << "    3. \"aws_secret_access_key\" key in \"" << AwsCredentialsFile << "\" file";
+    config.Opts->AddLongOption("secret-key", secretKeyHelp)
+        .RequiredArgument("STRING");
+
+    TStringBuilder itemHelp;
+    itemHelp << "[At least one] Item specification" << Endl
+        << "  Possible property names:" << Endl
+        << TItem::FormatHelp(2);
+    config.Opts->AddLongOption("item", itemHelp)
+        .RequiredArgument("PROPERTY=VALUE,...");
+
+    config.Opts->AddLongOption("exclude", "Pattern (PCRE) for paths excluded from export operation")
+        .RequiredArgument("STRING").Handler1T<TString>([this](const TString& arg) {
+            ExclusionPatterns.emplace_back(TRegExMatch(arg));
+        });
+
+    config.Opts->AddLongOption("description", "Textual description of export operation")
+        .RequiredArgument("STRING").StoreResult(&Description);
+
+    config.Opts->AddLongOption("retries", "Number of retries")
+        .RequiredArgument("NUM").StoreResult(&NumberOfRetries).DefaultValue(NumberOfRetries);
+
+    AddJsonOption(config);
     AddFormats(config, { EOutputFormat::Pretty, EOutputFormat::ProtoJsonBase64 });
     config.Opts->MutuallyExclusive("json", "format");
-} 
- 
-void TCommandExportToS3::Parse(TConfig& config) { 
-    TClientCommand::Parse(config); 
+}
+
+void TCommandExportToS3::Parse(TConfig& config) {
+    TClientCommand::Parse(config);
     ParseFormats();
- 
-    ParseAwsAccessKey(config, "access-key"); 
-    ParseAwsSecretKey(config, "secret-key"); 
- 
-    Items = TItem::Parse(config, "item"); 
-    if (Items.empty()) { 
-        throw TMissUseException() << "At least one item should be provided"; 
-    } 
- 
-    for (auto& item : Items) { 
-        NConsoleClient::AdjustPath(item.Source, config); 
-    } 
-} 
- 
-int TCommandExportToS3::Run(TConfig& config) { 
-    using namespace NExport; 
-    using namespace NScheme; 
- 
-    TExportToS3Settings settings = FillSettings(TExportToS3Settings()); 
- 
-    settings.Endpoint(AwsEndpoint); 
-    settings.Scheme(AwsScheme); 
-    settings.StorageClass(AwsStorageClass); 
-    settings.Bucket(AwsBucket); 
-    settings.AccessKey(AwsAccessKey); 
-    settings.SecretKey(AwsSecretKey); 
- 
-    for (const auto& item : Items) { 
-        settings.AppendItem({item.Source, item.Destination}); 
-    } 
- 
-    if (Description) { 
-        settings.Description(Description); 
-    } 
- 
-    settings.NumberOfRetries(NumberOfRetries); 
- 
-    const TDriver driver = CreateDriver(config); 
- 
-    TSchemeClient schemeClient(driver); 
-    ExpandItems(schemeClient, settings, ExclusionPatterns); 
- 
-    TExportClient client(driver); 
-    TExportToS3Response response = client.ExportToS3(std::move(settings)).GetValueSync(); 
-    ThrowOnError(response); 
-    PrintOperation(response, OutputFormat); 
- 
-    return EXIT_SUCCESS; 
-} 
- 
-} 
-} 
+
+    ParseAwsAccessKey(config, "access-key");
+    ParseAwsSecretKey(config, "secret-key");
+
+    Items = TItem::Parse(config, "item");
+    if (Items.empty()) {
+        throw TMissUseException() << "At least one item should be provided";
+    }
+
+    for (auto& item : Items) {
+        NConsoleClient::AdjustPath(item.Source, config);
+    }
+}
+
+int TCommandExportToS3::Run(TConfig& config) {
+    using namespace NExport;
+    using namespace NScheme;
+
+    TExportToS3Settings settings = FillSettings(TExportToS3Settings());
+
+    settings.Endpoint(AwsEndpoint);
+    settings.Scheme(AwsScheme);
+    settings.StorageClass(AwsStorageClass);
+    settings.Bucket(AwsBucket);
+    settings.AccessKey(AwsAccessKey);
+    settings.SecretKey(AwsSecretKey);
+
+    for (const auto& item : Items) {
+        settings.AppendItem({item.Source, item.Destination});
+    }
+
+    if (Description) {
+        settings.Description(Description);
+    }
+
+    settings.NumberOfRetries(NumberOfRetries);
+
+    const TDriver driver = CreateDriver(config);
+
+    TSchemeClient schemeClient(driver);
+    ExpandItems(schemeClient, settings, ExclusionPatterns);
+
+    TExportClient client(driver);
+    TExportToS3Response response = client.ExportToS3(std::move(settings)).GetValueSync();
+    ThrowOnError(response);
+    PrintOperation(response, OutputFormat);
+
+    return EXIT_SUCCESS;
+}
+
+}
+}
diff --git a/ydb/public/lib/ydb_cli/commands/ydb_service_export.h b/ydb/public/lib/ydb_cli/commands/ydb_service_export.h
index 0a12f12a8b..6f842321ec 100644
--- a/ydb/public/lib/ydb_cli/commands/ydb_service_export.h
+++ b/ydb/public/lib/ydb_cli/commands/ydb_service_export.h
@@ -1,76 +1,76 @@
-#pragma once 
- 
-#include "ydb_command.h" 
-#include "ydb_common.h" 
- 
+#pragma once
+
+#include "ydb_command.h"
+#include "ydb_common.h"
+
 #include <ydb/public/sdk/cpp/client/ydb_export/export.h>
 #include <ydb/public/lib/ydb_cli/common/aws.h>
 #include <ydb/public/lib/ydb_cli/common/format.h>
 #include <ydb/public/lib/ydb_cli/common/parseable_struct.h>
 #include <ydb/public/lib/ydb_cli/common/yt.h>
- 
-#include <library/cpp/regex/pcre/regexp.h> 
- 
-namespace NYdb { 
-namespace NConsoleClient { 
- 
-class TCommandExport : public TClientCommandTree { 
-public: 
+
+#include <library/cpp/regex/pcre/regexp.h>
+
+namespace NYdb {
+namespace NConsoleClient {
+
+class TCommandExport : public TClientCommandTree {
+public:
     TCommandExport(bool useExportToYt);
-}; 
- 
-class TCommandExportToYt : public TYdbOperationCommand, 
-                           public TCommandWithYtProxy, 
-                           public TCommandWithYtToken, 
-                           public TCommandWithFormat { 
-public: 
-    TCommandExportToYt(); 
-    virtual void Config(TConfig& config) override; 
-    virtual void Parse(TConfig& config) override; 
-    virtual int Run(TConfig& config) override; 
- 
-private: 
-    struct TItemFields { 
-        TString Source; 
-        TString Destination; 
-        bool Append = true; 
-    }; 
-    DEFINE_PARSEABLE_STRUCT(TItem, TItemFields, Source, Destination, Append); 
- 
-    TVector<TItem> Items; 
-    TVector<TRegExMatch> ExclusionPatterns; 
-    TString Description; 
-    ui32 NumberOfRetries = 1000; 
-    bool UseTypeV3 = false; 
-}; 
- 
-class TCommandExportToS3 : public TYdbOperationCommand, 
-                           public TCommandWithAwsCredentials, 
-                           public TCommandWithFormat { 
-    using EStorageClass = NExport::TExportToS3Settings::EStorageClass; 
- 
-public: 
-    TCommandExportToS3(); 
-    virtual void Config(TConfig& config) override; 
-    virtual void Parse(TConfig& config) override; 
-    virtual int Run(TConfig& config) override; 
- 
-private: 
-    struct TItemFields { 
-        TString Source; 
-        TString Destination; 
-    }; 
-    DEFINE_PARSEABLE_STRUCT(TItem, TItemFields, Source, Destination); 
- 
-    TString AwsEndpoint; 
-    ES3Scheme AwsScheme = ES3Scheme::HTTPS; 
-    EStorageClass AwsStorageClass = EStorageClass::NOT_SET; 
-    TString AwsBucket; 
-    TVector<TItem> Items; 
-    TVector<TRegExMatch> ExclusionPatterns; 
-    TString Description; 
-    ui32 NumberOfRetries = 10; 
-}; 
- 
-} 
-} 
+};
+
+class TCommandExportToYt : public TYdbOperationCommand,
+                           public TCommandWithYtProxy,
+                           public TCommandWithYtToken,
+                           public TCommandWithFormat {
+public:
+    TCommandExportToYt();
+    virtual void Config(TConfig& config) override;
+    virtual void Parse(TConfig& config) override;
+    virtual int Run(TConfig& config) override;
+
+private:
+    struct TItemFields {
+        TString Source;
+        TString Destination;
+        bool Append = true;
+    };
+    DEFINE_PARSEABLE_STRUCT(TItem, TItemFields, Source, Destination, Append);
+
+    TVector<TItem> Items;
+    TVector<TRegExMatch> ExclusionPatterns;
+    TString Description;
+    ui32 NumberOfRetries = 1000;
+    bool UseTypeV3 = false;
+};
+
+class TCommandExportToS3 : public TYdbOperationCommand,
+                           public TCommandWithAwsCredentials,
+                           public TCommandWithFormat {
+    using EStorageClass = NExport::TExportToS3Settings::EStorageClass;
+
+public:
+    TCommandExportToS3();
+    virtual void Config(TConfig& config) override;
+    virtual void Parse(TConfig& config) override;
+    virtual int Run(TConfig& config) override;
+
+private:
+    struct TItemFields {
+        TString Source;
+        TString Destination;
+    };
+    DEFINE_PARSEABLE_STRUCT(TItem, TItemFields, Source, Destination);
+
+    TString AwsEndpoint;
+    ES3Scheme AwsScheme = ES3Scheme::HTTPS;
+    EStorageClass AwsStorageClass = EStorageClass::NOT_SET;
+    TString AwsBucket;
+    TVector<TItem> Items;
+    TVector<TRegExMatch> ExclusionPatterns;
+    TString Description;
+    ui32 NumberOfRetries = 10;
+};
+
+}
+}
diff --git a/ydb/public/lib/ydb_cli/commands/ydb_service_import.cpp b/ydb/public/lib/ydb_cli/commands/ydb_service_import.cpp
index 2f061a64e6..b28e881428 100644
--- a/ydb/public/lib/ydb_cli/commands/ydb_service_import.cpp
+++ b/ydb/public/lib/ydb_cli/commands/ydb_service_import.cpp
@@ -1,128 +1,128 @@
-#include "ydb_service_import.h" 
- 
+#include "ydb_service_import.h"
+
 #include <ydb/public/lib/ydb_cli/common/normalize_path.h>
 #include <ydb/public/lib/ydb_cli/common/print_operation.h>
 #include <ydb/public/lib/ydb_cli/import/import.h>
 #include <ydb/library/backup/util.h>
- 
-#include <util/string/builder.h> 
-#include <util/string/join.h> 
+
+#include <util/string/builder.h>
+#include <util/string/join.h>
 #include <util/stream/format.h> // for SF_BYTES
- 
-namespace NYdb { 
-namespace NConsoleClient { 
- 
-TCommandImport::TCommandImport() 
-    : TClientCommandTree("import", {}, "Import service operations") 
-{ 
+
+namespace NYdb {
+namespace NConsoleClient {
+
+TCommandImport::TCommandImport()
+    : TClientCommandTree("import", {}, "Import service operations")
+{
     AddCommand(std::make_unique<TCommandImportFromS3>());
     AddCommand(std::make_unique<TCommandImportFromFile>());
-} 
- 
-/// S3 
-TCommandImportFromS3::TCommandImportFromS3() 
-    : TYdbOperationCommand("s3", {}, "Create import from S3") 
-{ 
-    TItem::DefineFields({ 
-        {"Source", {{"source", "src", "s"}, "S3 object key prefix", true}}, 
-        {"Destination", {{"destination", "dst", "d"}, "Database path to a table to import to", true}}, 
-    }); 
-} 
- 
-void TCommandImportFromS3::Config(TConfig& config) { 
-    TYdbOperationCommand::Config(config); 
- 
-    config.Opts->AddLongOption("s3-endpoint", "S3 endpoint to connect to") 
-        .Required().RequiredArgument("ENDPOINT").StoreResult(&AwsEndpoint); 
- 
-    config.Opts->AddLongOption("scheme", "S3 endpoint scheme") 
-        .RequiredArgument("SCHEME").StoreResult(&AwsScheme).DefaultValue(AwsScheme); 
- 
-    config.Opts->AddLongOption("bucket", "S3 bucket") 
-        .Required().RequiredArgument("BUCKET").StoreResult(&AwsBucket); 
- 
-    TStringBuilder accessKeyHelp; 
-    accessKeyHelp << "Access key id" << Endl 
-        << "  Search order:" << Endl 
-        << "    1. This option" << Endl 
-        << "    2. \"AWS_ACCESS_KEY_ID\" environment variable" << Endl 
-        << "    3. \"aws_access_key_id\" key in \"" << AwsCredentialsFile << "\" file"; 
-    config.Opts->AddLongOption("access-key", accessKeyHelp) 
-        .RequiredArgument("STRING"); 
- 
-    TStringBuilder secretKeyHelp; 
-    secretKeyHelp << "Secret key" << Endl 
-        << "  Search order:" << Endl 
-        << "    1. This option" << Endl 
-        << "    2. \"AWS_SECRET_ACCESS_KEY\" environment variable" << Endl 
-        << "    3. \"aws_secret_access_key\" key in \"" << AwsCredentialsFile << "\" file"; 
-    config.Opts->AddLongOption("secret-key", secretKeyHelp) 
-        .RequiredArgument("STRING"); 
- 
-    TStringBuilder itemHelp; 
-    itemHelp << "[At least one] Item specification" << Endl 
-        << "  Possible property names:" << Endl 
-        << TItem::FormatHelp(2); 
-    config.Opts->AddLongOption("item", itemHelp) 
-        .RequiredArgument("PROPERTY=VALUE,..."); 
- 
-    config.Opts->AddLongOption("description", "Textual description of import operation") 
-        .RequiredArgument("STRING").StoreResult(&Description); 
- 
-    config.Opts->AddLongOption("retries", "Number of retries") 
-        .RequiredArgument("NUM").StoreResult(&NumberOfRetries).DefaultValue(NumberOfRetries); 
- 
-    AddJsonOption(config); 
-    AddFormats(config, { EOutputFormat::Pretty, EOutputFormat::ProtoJsonBase64 }); 
-    config.Opts->MutuallyExclusive("json", "format"); 
-} 
- 
-void TCommandImportFromS3::Parse(TConfig& config) { 
-    TClientCommand::Parse(config); 
-    ParseFormats(); 
- 
-    ParseAwsAccessKey(config, "access-key"); 
-    ParseAwsSecretKey(config, "secret-key"); 
- 
-    Items = TItem::Parse(config, "item"); 
-    if (Items.empty()) { 
-        throw TMissUseException() << "At least one item should be provided"; 
-    } 
- 
-    for (auto& item : Items) { 
-        NConsoleClient::AdjustPath(item.Destination, config); 
-    } 
-} 
- 
-int TCommandImportFromS3::Run(TConfig& config) { 
-    using namespace NImport; 
- 
-    TImportFromS3Settings settings = FillSettings(TImportFromS3Settings()); 
- 
-    settings.Endpoint(AwsEndpoint); 
-    settings.Scheme(AwsScheme); 
-    settings.Bucket(AwsBucket); 
-    settings.AccessKey(AwsAccessKey); 
-    settings.SecretKey(AwsSecretKey); 
- 
-    for (const auto& item : Items) { 
-        settings.AppendItem({item.Source, item.Destination}); 
-    } 
- 
-    if (Description) { 
-        settings.Description(Description); 
-    } 
- 
-    settings.NumberOfRetries(NumberOfRetries); 
- 
-    TImportClient client(CreateDriver(config)); 
-    TImportFromS3Response response = client.ImportFromS3(std::move(settings)).GetValueSync(); 
-    ThrowOnError(response); 
-    PrintOperation(response, OutputFormat); 
- 
-    return EXIT_SUCCESS; 
-} 
- 
+}
+
+/// S3
+TCommandImportFromS3::TCommandImportFromS3()
+    : TYdbOperationCommand("s3", {}, "Create import from S3")
+{
+    TItem::DefineFields({
+        {"Source", {{"source", "src", "s"}, "S3 object key prefix", true}},
+        {"Destination", {{"destination", "dst", "d"}, "Database path to a table to import to", true}},
+    });
+}
+
+void TCommandImportFromS3::Config(TConfig& config) {
+    TYdbOperationCommand::Config(config);
+
+    config.Opts->AddLongOption("s3-endpoint", "S3 endpoint to connect to")
+        .Required().RequiredArgument("ENDPOINT").StoreResult(&AwsEndpoint);
+
+    config.Opts->AddLongOption("scheme", "S3 endpoint scheme")
+        .RequiredArgument("SCHEME").StoreResult(&AwsScheme).DefaultValue(AwsScheme);
+
+    config.Opts->AddLongOption("bucket", "S3 bucket")
+        .Required().RequiredArgument("BUCKET").StoreResult(&AwsBucket);
+
+    TStringBuilder accessKeyHelp;
+    accessKeyHelp << "Access key id" << Endl
+        << "  Search order:" << Endl
+        << "    1. This option" << Endl
+        << "    2. \"AWS_ACCESS_KEY_ID\" environment variable" << Endl
+        << "    3. \"aws_access_key_id\" key in \"" << AwsCredentialsFile << "\" file";
+    config.Opts->AddLongOption("access-key", accessKeyHelp)
+        .RequiredArgument("STRING");
+
+    TStringBuilder secretKeyHelp;
+    secretKeyHelp << "Secret key" << Endl
+        << "  Search order:" << Endl
+        << "    1. This option" << Endl
+        << "    2. \"AWS_SECRET_ACCESS_KEY\" environment variable" << Endl
+        << "    3. \"aws_secret_access_key\" key in \"" << AwsCredentialsFile << "\" file";
+    config.Opts->AddLongOption("secret-key", secretKeyHelp)
+        .RequiredArgument("STRING");
+
+    TStringBuilder itemHelp;
+    itemHelp << "[At least one] Item specification" << Endl
+        << "  Possible property names:" << Endl
+        << TItem::FormatHelp(2);
+    config.Opts->AddLongOption("item", itemHelp)
+        .RequiredArgument("PROPERTY=VALUE,...");
+
+    config.Opts->AddLongOption("description", "Textual description of import operation")
+        .RequiredArgument("STRING").StoreResult(&Description);
+
+    config.Opts->AddLongOption("retries", "Number of retries")
+        .RequiredArgument("NUM").StoreResult(&NumberOfRetries).DefaultValue(NumberOfRetries);
+
+    AddJsonOption(config);
+    AddFormats(config, { EOutputFormat::Pretty, EOutputFormat::ProtoJsonBase64 });
+    config.Opts->MutuallyExclusive("json", "format");
+}
+
+void TCommandImportFromS3::Parse(TConfig& config) {
+    TClientCommand::Parse(config);
+    ParseFormats();
+
+    ParseAwsAccessKey(config, "access-key");
+    ParseAwsSecretKey(config, "secret-key");
+
+    Items = TItem::Parse(config, "item");
+    if (Items.empty()) {
+        throw TMissUseException() << "At least one item should be provided";
+    }
+
+    for (auto& item : Items) {
+        NConsoleClient::AdjustPath(item.Destination, config);
+    }
+}
+
+int TCommandImportFromS3::Run(TConfig& config) {
+    using namespace NImport;
+
+    TImportFromS3Settings settings = FillSettings(TImportFromS3Settings());
+
+    settings.Endpoint(AwsEndpoint);
+    settings.Scheme(AwsScheme);
+    settings.Bucket(AwsBucket);
+    settings.AccessKey(AwsAccessKey);
+    settings.SecretKey(AwsSecretKey);
+
+    for (const auto& item : Items) {
+        settings.AppendItem({item.Source, item.Destination});
+    }
+
+    if (Description) {
+        settings.Description(Description);
+    }
+
+    settings.NumberOfRetries(NumberOfRetries);
+
+    TImportClient client(CreateDriver(config));
+    TImportFromS3Response response = client.ImportFromS3(std::move(settings)).GetValueSync();
+    ThrowOnError(response);
+    PrintOperation(response, OutputFormat);
+
+    return EXIT_SUCCESS;
+}
+
 /// File
 
 TCommandImportFromFile::TCommandImportFromFile()
@@ -130,7 +130,7 @@ TCommandImportFromFile::TCommandImportFromFile()
 {
     AddCommand(std::make_unique<TCommandImportFromCsv>());
     AddCommand(std::make_unique<TCommandImportFromTsv>());
-} 
+}
 
 /// CSV
 
@@ -170,7 +170,7 @@ void TCommandImportFromCsv::Config(TConfig& config) {
     config.Opts->AddLongOption("max-in-flight",
             "Maximum number of in-flight requests; increase to load big files faster (more memory needed)")
         .DefaultValue(defaults.MaxInFlightRequests_).StoreResult(&MaxInFlightRequests);
-} 
+}
 
 void TCommandImportFromCsv::Parse(TConfig& config) {
     TClientCommand::Parse(config);
diff --git a/ydb/public/lib/ydb_cli/commands/ydb_service_import.h b/ydb/public/lib/ydb_cli/commands/ydb_service_import.h
index 7321d7c967..04dc101047 100644
--- a/ydb/public/lib/ydb_cli/commands/ydb_service_import.h
+++ b/ydb/public/lib/ydb_cli/commands/ydb_service_import.h
@@ -1,46 +1,46 @@
-#pragma once 
- 
-#include "ydb_command.h" 
-#include "ydb_common.h" 
- 
+#pragma once
+
+#include "ydb_command.h"
+#include "ydb_common.h"
+
 #include <ydb/public/sdk/cpp/client/ydb_import/import.h>
 #include <ydb/public/sdk/cpp/client/ydb_table/table.h>
 #include <ydb/public/lib/ydb_cli/common/aws.h>
 #include <ydb/public/lib/ydb_cli/common/format.h>
 #include <ydb/public/lib/ydb_cli/common/parseable_struct.h>
- 
-namespace NYdb { 
-namespace NConsoleClient { 
- 
-class TCommandImport : public TClientCommandTree { 
-public: 
-    TCommandImport(); 
-}; 
- 
-class TCommandImportFromS3 : public TYdbOperationCommand, 
-                           public TCommandWithAwsCredentials, 
-                           public TCommandWithFormat { 
-public: 
-    TCommandImportFromS3(); 
-    virtual void Config(TConfig& config) override; 
-    virtual void Parse(TConfig& config) override; 
-    virtual int Run(TConfig& config) override; 
- 
-private: 
-    struct TItemFields { 
-        TString Source; 
-        TString Destination; 
-    }; 
-    DEFINE_PARSEABLE_STRUCT(TItem, TItemFields, Source, Destination); 
- 
-    TString AwsEndpoint; 
-    ES3Scheme AwsScheme = ES3Scheme::HTTPS; 
-    TString AwsBucket; 
-    TVector<TItem> Items; 
-    TString Description; 
-    ui32 NumberOfRetries = 10; 
-}; 
- 
+
+namespace NYdb {
+namespace NConsoleClient {
+
+class TCommandImport : public TClientCommandTree {
+public:
+    TCommandImport();
+};
+
+class TCommandImportFromS3 : public TYdbOperationCommand,
+                           public TCommandWithAwsCredentials,
+                           public TCommandWithFormat {
+public:
+    TCommandImportFromS3();
+    virtual void Config(TConfig& config) override;
+    virtual void Parse(TConfig& config) override;
+    virtual int Run(TConfig& config) override;
+
+private:
+    struct TItemFields {
+        TString Source;
+        TString Destination;
+    };
+    DEFINE_PARSEABLE_STRUCT(TItem, TItemFields, Source, Destination);
+
+    TString AwsEndpoint;
+    ES3Scheme AwsScheme = ES3Scheme::HTTPS;
+    TString AwsBucket;
+    TVector<TItem> Items;
+    TString Description;
+    ui32 NumberOfRetries = 10;
+};
+
 class TCommandImportFromFile : public TClientCommandTree {
 public:
     TCommandImportFromFile();
@@ -75,5 +75,5 @@ public:
     }
 };
 
-} 
-} 
+}
+}
diff --git a/ydb/public/lib/ydb_cli/commands/ydb_service_operation.cpp b/ydb/public/lib/ydb_cli/commands/ydb_service_operation.cpp
index 119d1c1724..45b694cf94 100644
--- a/ydb/public/lib/ydb_cli/commands/ydb_service_operation.cpp
+++ b/ydb/public/lib/ydb_cli/commands/ydb_service_operation.cpp
@@ -1,134 +1,134 @@
-#include "ydb_service_operation.h" 
- 
+#include "ydb_service_operation.h"
+
 #include <ydb/public/sdk/cpp/client/ydb_export/export.h>
 #include <ydb/public/sdk/cpp/client/ydb_import/import.h>
 #include <ydb/public/sdk/cpp/client/ydb_table/table.h>
 #include <ydb/public/lib/ydb_cli/common/print_operation.h>
- 
-#include <util/string/builder.h> 
- 
-namespace NYdb { 
-namespace NConsoleClient { 
- 
-using namespace NKikimr::NOperationId; 
- 
-namespace { 
- 
-    template <typename T> 
-    int GetOperation(NOperation::TOperationClient& client, const TOperationId& id, EOutputFormat format) { 
-        T operation = client.Get<T>(id).GetValueSync(); 
-        switch (operation.Status().GetStatus()) { 
-        case EStatus::SUCCESS: 
-            PrintOperation(operation, format); 
-            return EXIT_SUCCESS; 
-        case EStatus::CANCELLED: 
-            PrintOperation(operation, format); 
-            return EXIT_FAILURE; 
-        default: 
-            ThrowOnError(operation); 
-            return EXIT_FAILURE; 
-        } 
-    } 
- 
-    template <typename T> 
-    void ListOperations(NOperation::TOperationClient& client, ui64 pageSize, const TString& pageToken, EOutputFormat format) { 
-        NOperation::TOperationsList<T> operations = client.List<T>(pageSize, pageToken).GetValueSync(); 
-        ThrowOnError(operations); 
-        PrintOperationsList(operations, format); 
-    } 
- 
-} // anonymous 
- 
-TCommandOperation::TCommandOperation() 
-    : TClientCommandTree("operation", {}, "Operation service operations") 
-{ 
+
+#include <util/string/builder.h>
+
+namespace NYdb {
+namespace NConsoleClient {
+
+using namespace NKikimr::NOperationId;
+
+namespace {
+
+    template <typename T>
+    int GetOperation(NOperation::TOperationClient& client, const TOperationId& id, EOutputFormat format) {
+        T operation = client.Get<T>(id).GetValueSync();
+        switch (operation.Status().GetStatus()) {
+        case EStatus::SUCCESS:
+            PrintOperation(operation, format);
+            return EXIT_SUCCESS;
+        case EStatus::CANCELLED:
+            PrintOperation(operation, format);
+            return EXIT_FAILURE;
+        default:
+            ThrowOnError(operation);
+            return EXIT_FAILURE;
+        }
+    }
+
+    template <typename T>
+    void ListOperations(NOperation::TOperationClient& client, ui64 pageSize, const TString& pageToken, EOutputFormat format) {
+        NOperation::TOperationsList<T> operations = client.List<T>(pageSize, pageToken).GetValueSync();
+        ThrowOnError(operations);
+        PrintOperationsList(operations, format);
+    }
+
+} // anonymous
+
+TCommandOperation::TCommandOperation()
+    : TClientCommandTree("operation", {}, "Operation service operations")
+{
     AddCommand(std::make_unique<TCommandGetOperation>());
     AddCommand(std::make_unique<TCommandCancelOperation>());
     AddCommand(std::make_unique<TCommandForgetOperation>());
     AddCommand(std::make_unique<TCommandListOperations>());
-} 
- 
-void TCommandWithOperationId::Config(TConfig& config) { 
-    TYdbCommand::Config(config); 
- 
-    config.SetFreeArgsNum(1); 
-    SetFreeArgTitle(0, "<id>", "Operation ID"); 
-} 
- 
-void TCommandWithOperationId::Parse(TConfig& config) { 
-    TYdbCommand::Parse(config); 
- 
-    try { 
-        OperationId = TOperationId(config.ParseResult->GetFreeArgs()[0]); 
-    } catch (const yexception& ex) { 
-        throw TMissUseException() << "Invalid operation ID"; 
-    } 
-} 
- 
-TCommandGetOperation::TCommandGetOperation() 
-    : TCommandWithOperationId("get", {}, "Check status for a given operation") 
-{ 
-} 
- 
-void TCommandGetOperation::Config(TConfig& config) { 
-    TCommandWithOperationId::Config(config); 
-    AddJsonOption(config); 
+}
+
+void TCommandWithOperationId::Config(TConfig& config) {
+    TYdbCommand::Config(config);
+
+    config.SetFreeArgsNum(1);
+    SetFreeArgTitle(0, "<id>", "Operation ID");
+}
+
+void TCommandWithOperationId::Parse(TConfig& config) {
+    TYdbCommand::Parse(config);
+
+    try {
+        OperationId = TOperationId(config.ParseResult->GetFreeArgs()[0]);
+    } catch (const yexception& ex) {
+        throw TMissUseException() << "Invalid operation ID";
+    }
+}
+
+TCommandGetOperation::TCommandGetOperation()
+    : TCommandWithOperationId("get", {}, "Check status for a given operation")
+{
+}
+
+void TCommandGetOperation::Config(TConfig& config) {
+    TCommandWithOperationId::Config(config);
+    AddJsonOption(config);
     AddFormats(config, { EOutputFormat::Pretty, EOutputFormat::ProtoJsonBase64 });
     config.Opts->MutuallyExclusive("json", "format");
-} 
- 
+}
+
 void TCommandGetOperation::Parse(TConfig& config) {
     TCommandWithOperationId::Parse(config);
     ParseFormats();
 }
 
-int TCommandGetOperation::Run(TConfig& config) { 
-    NOperation::TOperationClient client(CreateDriver(config)); 
- 
-    switch (OperationId.GetKind()) { 
-    case Ydb::TOperationId::EXPORT: 
-        if (OperationId.GetSubKind() == "s3") { 
-            return GetOperation<NExport::TExportToS3Response>(client, OperationId, OutputFormat); 
-        } else { // fallback to "yt" 
-            return GetOperation<NExport::TExportToYtResponse>(client, OperationId, OutputFormat); 
-        } 
-    case Ydb::TOperationId::IMPORT: 
-        if (OperationId.GetSubKind() == "s3") { 
-            return GetOperation<NImport::TImportFromS3Response>(client, OperationId, OutputFormat); 
-        } else { 
-            throw TMissUseException() << "Invalid operation ID (unexpected sub-kind of operation)"; 
-        } 
+int TCommandGetOperation::Run(TConfig& config) {
+    NOperation::TOperationClient client(CreateDriver(config));
+
+    switch (OperationId.GetKind()) {
+    case Ydb::TOperationId::EXPORT:
+        if (OperationId.GetSubKind() == "s3") {
+            return GetOperation<NExport::TExportToS3Response>(client, OperationId, OutputFormat);
+        } else { // fallback to "yt"
+            return GetOperation<NExport::TExportToYtResponse>(client, OperationId, OutputFormat);
+        }
+    case Ydb::TOperationId::IMPORT:
+        if (OperationId.GetSubKind() == "s3") {
+            return GetOperation<NImport::TImportFromS3Response>(client, OperationId, OutputFormat);
+        } else {
+            throw TMissUseException() << "Invalid operation ID (unexpected sub-kind of operation)";
+        }
     case Ydb::TOperationId::BUILD_INDEX:
-        return GetOperation<NTable::TBuildIndexOperation>(client, OperationId, OutputFormat); 
-    default: 
+        return GetOperation<NTable::TBuildIndexOperation>(client, OperationId, OutputFormat);
+    default:
         throw TMissUseException() << "Invalid operation ID (unexpected kind of operation)";
-    } 
- 
-    return EXIT_SUCCESS; 
-} 
- 
-TCommandCancelOperation::TCommandCancelOperation() 
-    : TCommandWithOperationId("cancel", {}, "Start cancellation of a long-running operation") 
-{ 
-} 
- 
-int TCommandCancelOperation::Run(TConfig& config) { 
-    NOperation::TOperationClient client(CreateDriver(config)); 
-    ThrowOnError(client.Cancel(OperationId).GetValueSync()); 
-    return EXIT_SUCCESS; 
-} 
- 
-TCommandForgetOperation::TCommandForgetOperation() 
-    : TCommandWithOperationId("forget", {}, "Forget long-running operation") 
-{ 
-} 
- 
-int TCommandForgetOperation::Run(TConfig& config) { 
-    NOperation::TOperationClient client(CreateDriver(config)); 
-    ThrowOnError(client.Forget(OperationId).GetValueSync()); 
-    return EXIT_SUCCESS; 
-} 
- 
+    }
+
+    return EXIT_SUCCESS;
+}
+
+TCommandCancelOperation::TCommandCancelOperation()
+    : TCommandWithOperationId("cancel", {}, "Start cancellation of a long-running operation")
+{
+}
+
+int TCommandCancelOperation::Run(TConfig& config) {
+    NOperation::TOperationClient client(CreateDriver(config));
+    ThrowOnError(client.Cancel(OperationId).GetValueSync());
+    return EXIT_SUCCESS;
+}
+
+TCommandForgetOperation::TCommandForgetOperation()
+    : TCommandWithOperationId("forget", {}, "Forget long-running operation")
+{
+}
+
+int TCommandForgetOperation::Run(TConfig& config) {
+    NOperation::TOperationClient client(CreateDriver(config));
+    ThrowOnError(client.Forget(OperationId).GetValueSync());
+    return EXIT_SUCCESS;
+}
+
 void TCommandListOperations::InitializeKindToHandler(TConfig& config) {
     KindToHandler = {
         {"export/s3", &ListOperations<NExport::TExportToS3Response>},
@@ -140,59 +140,59 @@ void TCommandListOperations::InitializeKindToHandler(TConfig& config) {
         KindToHandler.emplace("export/yt", &ListOperations<NExport::TExportToYtResponse>);
     }
 }
- 
-TString TCommandListOperations::KindChoices() { 
-    TStringBuilder help; 
- 
-    bool first = true; 
-    for (const auto& kv : KindToHandler) { 
-        if (!first) { 
-            help << ", "; 
-        } 
-        help << kv.first; 
-        first = false; 
-    } 
- 
-    return help; 
-} 
- 
-TCommandListOperations::TCommandListOperations() 
+
+TString TCommandListOperations::KindChoices() {
+    TStringBuilder help;
+
+    bool first = true;
+    for (const auto& kv : KindToHandler) {
+        if (!first) {
+            help << ", ";
+        }
+        help << kv.first;
+        first = false;
+    }
+
+    return help;
+}
+
+TCommandListOperations::TCommandListOperations()
     : TYdbCommand("list", {}, "List operations of specified kind")
-{ 
-} 
- 
-void TCommandListOperations::Config(TConfig& config) { 
-    TYdbCommand::Config(config); 
- 
+{
+}
+
+void TCommandListOperations::Config(TConfig& config) {
+    TYdbCommand::Config(config);
+
     InitializeKindToHandler(config);
 
-    config.Opts->AddLongOption('s', "page-size", "Page size") 
-        .RequiredArgument("NUM").StoreResult(&PageSize); 
-    config.Opts->AddLongOption('t', "page-token", "Page token") 
-        .RequiredArgument("STRING").StoreResult(&PageToken); 
-    AddJsonOption(config); 
+    config.Opts->AddLongOption('s', "page-size", "Page size")
+        .RequiredArgument("NUM").StoreResult(&PageSize);
+    config.Opts->AddLongOption('t', "page-token", "Page token")
+        .RequiredArgument("STRING").StoreResult(&PageToken);
+    AddJsonOption(config);
     AddFormats(config, { EOutputFormat::Pretty, EOutputFormat::ProtoJsonBase64 });
     config.Opts->MutuallyExclusive("json", "format");
- 
-    config.SetFreeArgsNum(1); 
-    SetFreeArgTitle(0, "<kind>", KindChoices()); 
-} 
- 
-void TCommandListOperations::Parse(TConfig& config) { 
-    TYdbCommand::Parse(config); 
+
+    config.SetFreeArgsNum(1);
+    SetFreeArgTitle(0, "<kind>", KindChoices());
+}
+
+void TCommandListOperations::Parse(TConfig& config) {
+    TYdbCommand::Parse(config);
     ParseFormats();
- 
-    Kind = config.ParseResult->GetFreeArgs()[0]; 
-    if (!KindToHandler.contains(Kind)) { 
-        throw TMissUseException() << "Invalid kind. Use one of: " << KindChoices(); 
-    } 
-} 
- 
-int TCommandListOperations::Run(TConfig& config) { 
-    NOperation::TOperationClient client(CreateDriver(config)); 
-    KindToHandler.at(Kind)(client, PageSize, PageToken, OutputFormat); 
-    return EXIT_SUCCESS; 
-} 
- 
-} 
-} 
+
+    Kind = config.ParseResult->GetFreeArgs()[0];
+    if (!KindToHandler.contains(Kind)) {
+        throw TMissUseException() << "Invalid kind. Use one of: " << KindChoices();
+    }
+}
+
+int TCommandListOperations::Run(TConfig& config) {
+    NOperation::TOperationClient client(CreateDriver(config));
+    KindToHandler.at(Kind)(client, PageSize, PageToken, OutputFormat);
+    return EXIT_SUCCESS;
+}
+
+}
+}
diff --git a/ydb/public/lib/ydb_cli/commands/ydb_service_operation.h b/ydb/public/lib/ydb_cli/commands/ydb_service_operation.h
index b708b426f6..238901a88b 100644
--- a/ydb/public/lib/ydb_cli/commands/ydb_service_operation.h
+++ b/ydb/public/lib/ydb_cli/commands/ydb_service_operation.h
@@ -1,73 +1,73 @@
-#pragma once 
- 
-#include "ydb_command.h" 
-#include "ydb_common.h" 
- 
+#pragma once
+
+#include "ydb_command.h"
+#include "ydb_common.h"
+
 #include <ydb/public/lib/operation_id/operation_id.h>
 #include <ydb/public/sdk/cpp/client/ydb_operation/operation.h>
 #include <ydb/public/lib/ydb_cli/common/format.h>
- 
-#include <util/generic/hash.h> 
- 
-namespace NYdb { 
-namespace NConsoleClient { 
- 
-class TCommandOperation : public TClientCommandTree { 
-public: 
-    TCommandOperation(); 
-}; 
- 
-class TCommandWithOperationId : public TYdbCommand { 
-public: 
-    using TYdbCommand::TYdbCommand; 
-    virtual void Config(TConfig& config) override; 
-    virtual void Parse(TConfig& config) override; 
- 
-protected: 
-    NKikimr::NOperationId::TOperationId OperationId; 
-}; 
- 
-class TCommandGetOperation : public TCommandWithOperationId, 
-                             public TCommandWithFormat { 
-public: 
-    TCommandGetOperation(); 
-    virtual void Config(TConfig& config) override; 
+
+#include <util/generic/hash.h>
+
+namespace NYdb {
+namespace NConsoleClient {
+
+class TCommandOperation : public TClientCommandTree {
+public:
+    TCommandOperation();
+};
+
+class TCommandWithOperationId : public TYdbCommand {
+public:
+    using TYdbCommand::TYdbCommand;
+    virtual void Config(TConfig& config) override;
     virtual void Parse(TConfig& config) override;
-    virtual int Run(TConfig& config) override; 
-}; 
- 
-class TCommandCancelOperation : public TCommandWithOperationId { 
-public: 
-    TCommandCancelOperation(); 
-    virtual int Run(TConfig& config) override; 
-}; 
- 
-class TCommandForgetOperation : public TCommandWithOperationId { 
-public: 
-    TCommandForgetOperation(); 
-    virtual int Run(TConfig& config) override; 
-}; 
- 
-class TCommandListOperations : public TYdbCommand, 
-                               public TCommandWithFormat { 
- 
-    using THandler = std::function<void(NOperation::TOperationClient&, ui64, const TString&, EOutputFormat)>; 
- 
+
+protected:
+    NKikimr::NOperationId::TOperationId OperationId;
+};
+
+class TCommandGetOperation : public TCommandWithOperationId,
+                             public TCommandWithFormat {
+public:
+    TCommandGetOperation();
+    virtual void Config(TConfig& config) override;
+    virtual void Parse(TConfig& config) override;
+    virtual int Run(TConfig& config) override;
+};
+
+class TCommandCancelOperation : public TCommandWithOperationId {
+public:
+    TCommandCancelOperation();
+    virtual int Run(TConfig& config) override;
+};
+
+class TCommandForgetOperation : public TCommandWithOperationId {
+public:
+    TCommandForgetOperation();
+    virtual int Run(TConfig& config) override;
+};
+
+class TCommandListOperations : public TYdbCommand,
+                               public TCommandWithFormat {
+
+    using THandler = std::function<void(NOperation::TOperationClient&, ui64, const TString&, EOutputFormat)>;
+
     void InitializeKindToHandler(TConfig& config);
     TString KindChoices();
- 
-public: 
-    TCommandListOperations(); 
-    virtual void Config(TConfig& config) override; 
-    virtual void Parse(TConfig& config) override; 
-    virtual int Run(TConfig& config) override; 
- 
-private: 
-    TString Kind; 
-    ui64 PageSize = 0; 
-    TString PageToken; 
+
+public:
+    TCommandListOperations();
+    virtual void Config(TConfig& config) override;
+    virtual void Parse(TConfig& config) override;
+    virtual int Run(TConfig& config) override;
+
+private:
+    TString Kind;
+    ui64 PageSize = 0;
+    TString PageToken;
     THashMap<TString, THandler> KindToHandler;
-}; 
- 
-} 
-} 
+};
+
+}
+}
diff --git a/ydb/public/lib/ydb_cli/commands/ydb_service_scheme.cpp b/ydb/public/lib/ydb_cli/commands/ydb_service_scheme.cpp
index f13d900458..a6f81fe432 100644
--- a/ydb/public/lib/ydb_cli/commands/ydb_service_scheme.cpp
+++ b/ydb/public/lib/ydb_cli/commands/ydb_service_scheme.cpp
@@ -452,29 +452,29 @@ namespace {
         if (!settings) {
             return;
         }
-        Cout << Endl << "Ttl settings "; 
+        Cout << Endl << "Ttl settings ";
         switch (settings->GetMode()) {
         case NTable::TTtlSettings::EMode::DateTypeColumn:
         {
-            Cout << "(date type column):" << Endl; 
+            Cout << "(date type column):" << Endl;
             const auto& dateTypeColumn = settings->GetDateTypeColumn();
             Cout << "Column name: " << dateTypeColumn.GetColumnName() << Endl;
             Cout << "Expire after: " << dateTypeColumn.GetExpireAfter() << Endl;
             break;
         }
-        case NTable::TTtlSettings::EMode::ValueSinceUnixEpoch: 
-        { 
-            Cout << "(value since unix epoch):" << Endl; 
-            const auto& valueSinceEpoch = settings->GetValueSinceUnixEpoch(); 
-            Cout << "Column name: " << valueSinceEpoch.GetColumnName() << Endl; 
-            Cout << "Column unit: " << valueSinceEpoch.GetColumnUnit() << Endl; 
-            Cout << "Expire after: " << valueSinceEpoch.GetExpireAfter() << Endl; 
-            break; 
-        } 
+        case NTable::TTtlSettings::EMode::ValueSinceUnixEpoch:
+        {
+            Cout << "(value since unix epoch):" << Endl;
+            const auto& valueSinceEpoch = settings->GetValueSinceUnixEpoch();
+            Cout << "Column name: " << valueSinceEpoch.GetColumnName() << Endl;
+            Cout << "Column unit: " << valueSinceEpoch.GetColumnUnit() << Endl;
+            Cout << "Expire after: " << valueSinceEpoch.GetExpireAfter() << Endl;
+            break;
+        }
         default:
             NColorizer::TColors colors = NColorizer::AutoColors(Cout);
-            Cout << "(unknown):" << Endl 
-                << colors.RedColor() << "Unknown ttl settings mode. Please update your version of YDB cli" 
+            Cout << "(unknown):" << Endl
+                << colors.RedColor() << "Unknown ttl settings mode. Please update your version of YDB cli"
                 << colors.OldColor() << Endl;
         }
     }
diff --git a/ydb/public/lib/ydb_cli/commands/ydb_service_table.cpp b/ydb/public/lib/ydb_cli/commands/ydb_service_table.cpp
index 8bd037fb97..2f94b2fc03 100644
--- a/ydb/public/lib/ydb_cli/commands/ydb_service_table.cpp
+++ b/ydb/public/lib/ydb_cli/commands/ydb_service_table.cpp
@@ -44,20 +44,20 @@ TCommandIndex::TCommandIndex()
     AddCommand(std::make_unique<TCommandIndexDrop>());
 }
 
-TCommandAttribute::TCommandAttribute() 
-    : TClientCommandTree("attribute", {"attr"}, "Attribute operations") 
-{ 
+TCommandAttribute::TCommandAttribute()
+    : TClientCommandTree("attribute", {"attr"}, "Attribute operations")
+{
     AddCommand(std::make_unique<TCommandAttributeAdd>());
     AddCommand(std::make_unique<TCommandAttributeDrop>());
-} 
- 
-TCommandTtl::TCommandTtl() 
-    : TClientCommandTree("ttl", {}, "Ttl operations") 
-{ 
+}
+
+TCommandTtl::TCommandTtl()
+    : TClientCommandTree("ttl", {}, "Ttl operations")
+{
     AddCommand(std::make_unique<TCommandTtlSet>());
     AddCommand(std::make_unique<TCommandTtlDrop>());
-} 
- 
+}
+
 TCommandIndexAdd::TCommandIndexAdd()
     : TClientCommandTree("add", {}, "Add index in to the specified table")
 {
@@ -838,13 +838,13 @@ void TCommandReadTable::PrintResponse(NTable::TTablePartIterator& result) {
     }
 }
 
-TCommandIndexAddGlobal::TCommandIndexAddGlobal( 
-        NTable::EIndexType type, 
-        const TString& name, 
-        const std::initializer_list<TString>& aliases, 
-        const TString& description) 
-    : TYdbCommand(name, aliases, description) 
-    , IndexType(type) 
+TCommandIndexAddGlobal::TCommandIndexAddGlobal(
+        NTable::EIndexType type,
+        const TString& name,
+        const std::initializer_list<TString>& aliases,
+        const TString& description)
+    : TYdbCommand(name, aliases, description)
+    , IndexType(type)
 {}
 
 void TCommandIndexAddGlobal::Config(TConfig& config) {
@@ -886,14 +886,14 @@ int TCommandIndexAddGlobal::Run(TConfig& config) {
     return EXIT_SUCCESS;
 }
 
-TCommandIndexAddGlobalSync::TCommandIndexAddGlobalSync() 
-    : TCommandIndexAddGlobal(NTable::EIndexType::GlobalSync, "global-sync", {"global"}, "Add global sync index. The command returns operation") 
-{} 
- 
-TCommandIndexAddGlobalAsync::TCommandIndexAddGlobalAsync() 
-    : TCommandIndexAddGlobal(NTable::EIndexType::GlobalAsync, "global-async", {}, "Add global async index. The command returns operation") 
-{} 
- 
+TCommandIndexAddGlobalSync::TCommandIndexAddGlobalSync()
+    : TCommandIndexAddGlobal(NTable::EIndexType::GlobalSync, "global-sync", {"global"}, "Add global sync index. The command returns operation")
+{}
+
+TCommandIndexAddGlobalAsync::TCommandIndexAddGlobalAsync()
+    : TCommandIndexAddGlobal(NTable::EIndexType::GlobalAsync, "global-async", {}, "Add global async index. The command returns operation")
+{}
+
 TCommandIndexDrop::TCommandIndexDrop()
     : TYdbCommand("drop", {}, "Drop index from the specified table")
 {}
@@ -926,180 +926,180 @@ int TCommandIndexDrop::Run(TConfig& config) {
     return EXIT_SUCCESS;
 }
 
-TCommandAttributeAdd::TCommandAttributeAdd() 
-    : TYdbCommand("add", {}, "Add attributes to the specified table") 
-{} 
- 
-void TCommandAttributeAdd::Config(TConfig& config) { 
-    TYdbCommand::Config(config); 
- 
-    config.Opts->AddLongOption("attribute", "key=value pair to add.") 
-        .RequiredArgument("KEY=VALUE").KVHandler([&](TString key, TString value) { 
-            Attributes[key] = value; 
-        }); 
- 
-    config.SetFreeArgsNum(1); 
-    SetFreeArgTitle(0, "<table path>", "Path to a table"); 
+TCommandAttributeAdd::TCommandAttributeAdd()
+    : TYdbCommand("add", {}, "Add attributes to the specified table")
+{}
+
+void TCommandAttributeAdd::Config(TConfig& config) {
+    TYdbCommand::Config(config);
+
+    config.Opts->AddLongOption("attribute", "key=value pair to add.")
+        .RequiredArgument("KEY=VALUE").KVHandler([&](TString key, TString value) {
+            Attributes[key] = value;
+        });
+
+    config.SetFreeArgsNum(1);
+    SetFreeArgTitle(0, "<table path>", "Path to a table");
+}
+
+void TCommandAttributeAdd::Parse(TConfig& config) {
+    TClientCommand::Parse(config);
+    ParsePath(config, 0);
+}
+
+int TCommandAttributeAdd::Run(TConfig& config) {
+    NTable::TTableClient client(CreateDriver(config));
+
+    auto settings = NTable::TAlterTableSettings()
+        .AlterAttributes(Attributes);
+
+    auto session = client.GetSession().GetValueSync();
+    ThrowOnError(session);
+    auto result = session.GetSession().AlterTable(Path, settings).GetValueSync();
+    ThrowOnError(result);
+
+    return EXIT_SUCCESS;
+}
+
+TCommandAttributeDrop::TCommandAttributeDrop()
+    : TYdbCommand("drop", {}, "Drop attributes from the specified table")
+{}
+
+void TCommandAttributeDrop::Config(TConfig& config) {
+    TYdbCommand::Config(config);
+
+    config.Opts->AddLongOption("attributes", "Attribute keys to drop.")
+        .RequiredArgument("KEY,[KEY...]").SplitHandler(&AttributeKeys, ',');
+
+    config.SetFreeArgsNum(1);
+    SetFreeArgTitle(0, "<table path>", "Path to a table");
+}
+
+void TCommandAttributeDrop::Parse(TConfig& config) {
+    TClientCommand::Parse(config);
+    ParsePath(config, 0);
+}
+
+int TCommandAttributeDrop::Run(TConfig& config) {
+    NTable::TTableClient client(CreateDriver(config));
+
+    auto settings = NTable::TAlterTableSettings();
+    auto alterAttrs = settings.BeginAlterAttributes();
+    for (const auto& key : AttributeKeys) {
+        alterAttrs.Drop(key);
+    }
+    alterAttrs.EndAlterAttributes();
+
+    auto session = client.GetSession().GetValueSync();
+    ThrowOnError(session);
+    auto result = session.GetSession().AlterTable(Path, settings).GetValueSync();
+    ThrowOnError(result);
+
+    return EXIT_SUCCESS;
+}
+
+TCommandTtlSet::TCommandTtlSet()
+    : TYdbCommand("set", {}, "Set ttl settings for the specified table")
+{}
+
+void TCommandTtlSet::Config(TConfig& config) {
+    TYdbCommand::Config(config);
+
+    config.Opts->AddLongOption("column", "Name of date- or integral-type column to be used to calculate expiration threshold.")
+        .RequiredArgument("NAME").StoreResult(&ColumnName);
+    config.Opts->AddLongOption("expire-after", "Additional time that must pass since expiration threshold.")
+        .RequiredArgument("SECONDS").DefaultValue(0).Handler1T<TDuration::TValue>(0, [this](const TDuration::TValue& arg) {
+            ExpireAfter = TDuration::Seconds(arg);
+        });
+
+    const TString allowedUnits = "seconds (s, sec), milliseconds (ms, msec), microseconds (us, usec), nanoseconds (ns, nsec)";
+    auto unitHelp = TStringBuilder()
+        << "Interpretation of the value stored in integral-type column." << Endl
+        << "Allowed units: " << allowedUnits;
+    config.Opts->AddLongOption("unit", unitHelp)
+        .RequiredArgument("STRING").Handler1T<TString>("", [this, allowedUnits](const TString& arg) {
+            if (!arg) {
+                return;
+            }
+
+            const auto value = NTable::TValueSinceUnixEpochModeSettings::UnitFromString(arg);
+            if (value == NTable::TTtlSettings::EUnit::Unknown) {
+                throw TMissUseException() << "Unknown unit: " << arg << Endl << "Allowed units: " << allowedUnits;
+            }
+
+            ColumnUnit = value;
+        });
+
+    config.Opts->AddLongOption("run-interval", "[Advanced] How often to run cleanup operation on the same partition.")
+        .RequiredArgument("SECONDS").Handler1T<TDuration::TValue>([this](const TDuration::TValue& arg) {
+            RunInterval = TDuration::Seconds(arg);
+        });
+
+    config.SetFreeArgsNum(1);
+    SetFreeArgTitle(0, "<table path>", "Path to a table");
+}
+
+void TCommandTtlSet::Parse(TConfig& config) {
+    TClientCommand::Parse(config);
+    ParsePath(config, 0);
+}
+
+int TCommandTtlSet::Run(TConfig& config) {
+    NTable::TTableClient client(CreateDriver(config));
+
+    TMaybe<NTable::TTtlSettings> ttl;
+    if (ColumnUnit) {
+        ttl = NTable::TTtlSettings(ColumnName, *ColumnUnit, ExpireAfter);
+    } else {
+        ttl = NTable::TTtlSettings(ColumnName, ExpireAfter);
+    }
+    if (RunInterval) {
+        ttl->SetRunInterval(RunInterval);
+    }
+
+    auto settings = NTable::TAlterTableSettings()
+        .BeginAlterTtlSettings()
+            .Set(std::move(ttl.GetRef()))
+        .EndAlterTtlSettings();
+
+    auto session = client.GetSession().GetValueSync();
+    ThrowOnError(session);
+    auto result = session.GetSession().AlterTable(Path, settings).GetValueSync();
+    ThrowOnError(result);
+
+    return EXIT_SUCCESS;
+}
+
+TCommandTtlDrop::TCommandTtlDrop()
+    : TYdbCommand("drop", {}, "Drop ttl settings from the specified table")
+{}
+
+void TCommandTtlDrop::Config(TConfig& config) {
+    TYdbCommand::Config(config);
+    config.SetFreeArgsNum(1);
+    SetFreeArgTitle(0, "<table path>", "Path to a table");
 }
- 
-void TCommandAttributeAdd::Parse(TConfig& config) { 
-    TClientCommand::Parse(config); 
-    ParsePath(config, 0); 
+
+void TCommandTtlDrop::Parse(TConfig& config) {
+    TClientCommand::Parse(config);
+    ParsePath(config, 0);
 }
 
-int TCommandAttributeAdd::Run(TConfig& config) { 
-    NTable::TTableClient client(CreateDriver(config)); 
- 
-    auto settings = NTable::TAlterTableSettings() 
-        .AlterAttributes(Attributes); 
- 
-    auto session = client.GetSession().GetValueSync(); 
-    ThrowOnError(session); 
-    auto result = session.GetSession().AlterTable(Path, settings).GetValueSync(); 
-    ThrowOnError(result); 
- 
-    return EXIT_SUCCESS; 
-} 
- 
-TCommandAttributeDrop::TCommandAttributeDrop() 
-    : TYdbCommand("drop", {}, "Drop attributes from the specified table") 
-{} 
- 
-void TCommandAttributeDrop::Config(TConfig& config) { 
-    TYdbCommand::Config(config); 
- 
-    config.Opts->AddLongOption("attributes", "Attribute keys to drop.") 
-        .RequiredArgument("KEY,[KEY...]").SplitHandler(&AttributeKeys, ','); 
- 
-    config.SetFreeArgsNum(1); 
-    SetFreeArgTitle(0, "<table path>", "Path to a table"); 
-} 
- 
-void TCommandAttributeDrop::Parse(TConfig& config) { 
-    TClientCommand::Parse(config); 
-    ParsePath(config, 0); 
-} 
- 
-int TCommandAttributeDrop::Run(TConfig& config) { 
-    NTable::TTableClient client(CreateDriver(config)); 
- 
-    auto settings = NTable::TAlterTableSettings(); 
-    auto alterAttrs = settings.BeginAlterAttributes(); 
-    for (const auto& key : AttributeKeys) { 
-        alterAttrs.Drop(key); 
-    } 
-    alterAttrs.EndAlterAttributes(); 
- 
-    auto session = client.GetSession().GetValueSync(); 
-    ThrowOnError(session); 
-    auto result = session.GetSession().AlterTable(Path, settings).GetValueSync(); 
-    ThrowOnError(result); 
- 
-    return EXIT_SUCCESS; 
-} 
- 
-TCommandTtlSet::TCommandTtlSet() 
-    : TYdbCommand("set", {}, "Set ttl settings for the specified table") 
-{} 
- 
-void TCommandTtlSet::Config(TConfig& config) { 
-    TYdbCommand::Config(config); 
- 
-    config.Opts->AddLongOption("column", "Name of date- or integral-type column to be used to calculate expiration threshold.") 
-        .RequiredArgument("NAME").StoreResult(&ColumnName); 
-    config.Opts->AddLongOption("expire-after", "Additional time that must pass since expiration threshold.") 
-        .RequiredArgument("SECONDS").DefaultValue(0).Handler1T<TDuration::TValue>(0, [this](const TDuration::TValue& arg) { 
-            ExpireAfter = TDuration::Seconds(arg); 
-        }); 
- 
-    const TString allowedUnits = "seconds (s, sec), milliseconds (ms, msec), microseconds (us, usec), nanoseconds (ns, nsec)"; 
-    auto unitHelp = TStringBuilder() 
-        << "Interpretation of the value stored in integral-type column." << Endl 
-        << "Allowed units: " << allowedUnits; 
-    config.Opts->AddLongOption("unit", unitHelp) 
-        .RequiredArgument("STRING").Handler1T<TString>("", [this, allowedUnits](const TString& arg) { 
-            if (!arg) { 
-                return; 
-            } 
- 
-            const auto value = NTable::TValueSinceUnixEpochModeSettings::UnitFromString(arg); 
-            if (value == NTable::TTtlSettings::EUnit::Unknown) { 
-                throw TMissUseException() << "Unknown unit: " << arg << Endl << "Allowed units: " << allowedUnits; 
-            } 
- 
-            ColumnUnit = value; 
-        }); 
- 
-    config.Opts->AddLongOption("run-interval", "[Advanced] How often to run cleanup operation on the same partition.") 
-        .RequiredArgument("SECONDS").Handler1T<TDuration::TValue>([this](const TDuration::TValue& arg) { 
-            RunInterval = TDuration::Seconds(arg); 
-        }); 
- 
-    config.SetFreeArgsNum(1); 
-    SetFreeArgTitle(0, "<table path>", "Path to a table"); 
-} 
- 
-void TCommandTtlSet::Parse(TConfig& config) { 
-    TClientCommand::Parse(config); 
-    ParsePath(config, 0); 
-} 
- 
-int TCommandTtlSet::Run(TConfig& config) { 
-    NTable::TTableClient client(CreateDriver(config)); 
- 
-    TMaybe<NTable::TTtlSettings> ttl; 
-    if (ColumnUnit) { 
-        ttl = NTable::TTtlSettings(ColumnName, *ColumnUnit, ExpireAfter); 
-    } else { 
-        ttl = NTable::TTtlSettings(ColumnName, ExpireAfter); 
-    } 
-    if (RunInterval) { 
-        ttl->SetRunInterval(RunInterval); 
-    } 
- 
-    auto settings = NTable::TAlterTableSettings() 
-        .BeginAlterTtlSettings() 
-            .Set(std::move(ttl.GetRef())) 
-        .EndAlterTtlSettings(); 
- 
-    auto session = client.GetSession().GetValueSync(); 
-    ThrowOnError(session); 
-    auto result = session.GetSession().AlterTable(Path, settings).GetValueSync(); 
-    ThrowOnError(result); 
- 
-    return EXIT_SUCCESS; 
-} 
- 
-TCommandTtlDrop::TCommandTtlDrop() 
-    : TYdbCommand("drop", {}, "Drop ttl settings from the specified table") 
-{} 
- 
-void TCommandTtlDrop::Config(TConfig& config) { 
-    TYdbCommand::Config(config); 
-    config.SetFreeArgsNum(1); 
-    SetFreeArgTitle(0, "<table path>", "Path to a table"); 
-} 
- 
-void TCommandTtlDrop::Parse(TConfig& config) { 
-    TClientCommand::Parse(config); 
-    ParsePath(config, 0); 
-} 
- 
-int TCommandTtlDrop::Run(TConfig& config) { 
-    NTable::TTableClient client(CreateDriver(config)); 
- 
-    auto settings = NTable::TAlterTableSettings() 
-        .BeginAlterTtlSettings() 
-            .Drop() 
-        .EndAlterTtlSettings(); 
- 
-    auto session = client.GetSession().GetValueSync(); 
-    ThrowOnError(session); 
-    auto result = session.GetSession().AlterTable(Path, settings).GetValueSync(); 
-    ThrowOnError(result); 
- 
-    return EXIT_SUCCESS; 
-} 
- 
-} 
-} 
+int TCommandTtlDrop::Run(TConfig& config) {
+    NTable::TTableClient client(CreateDriver(config));
+
+    auto settings = NTable::TAlterTableSettings()
+        .BeginAlterTtlSettings()
+            .Drop()
+        .EndAlterTtlSettings();
+
+    auto session = client.GetSession().GetValueSync();
+    ThrowOnError(session);
+    auto result = session.GetSession().AlterTable(Path, settings).GetValueSync();
+    ThrowOnError(result);
+
+    return EXIT_SUCCESS;
+}
+
+}
+}
diff --git a/ydb/public/lib/ydb_cli/commands/ydb_service_table.h b/ydb/public/lib/ydb_cli/commands/ydb_service_table.h
index 54da2ed7ec..5cd2514aa0 100644
--- a/ydb/public/lib/ydb_cli/commands/ydb_service_table.h
+++ b/ydb/public/lib/ydb_cli/commands/ydb_service_table.h
@@ -28,16 +28,16 @@ public:
     TCommandIndex();
 };
 
-class TCommandAttribute : public TClientCommandTree { 
-public: 
-    TCommandAttribute(); 
-}; 
- 
-class TCommandTtl: public TClientCommandTree { 
-public: 
-    TCommandTtl(); 
-}; 
- 
+class TCommandAttribute : public TClientCommandTree {
+public:
+    TCommandAttribute();
+};
+
+class TCommandTtl: public TClientCommandTree {
+public:
+    TCommandTtl();
+};
+
 class TTableCommand : public TYdbOperationCommand {
 public:
     TTableCommand(
@@ -158,33 +158,33 @@ public:
 
 class TCommandIndexAddGlobal : public TYdbCommand, public TCommandWithPath, public TCommandWithFormat {
 public:
-    TCommandIndexAddGlobal( 
-        NTable::EIndexType type, 
-        const TString& name, 
-        const std::initializer_list<TString>& aliases = std::initializer_list<TString>(), 
-        const TString& description = TString() 
-    ); 
+    TCommandIndexAddGlobal(
+        NTable::EIndexType type,
+        const TString& name,
+        const std::initializer_list<TString>& aliases = std::initializer_list<TString>(),
+        const TString& description = TString()
+    );
     virtual void Config(TConfig& config) override;
     virtual void Parse(TConfig& config) override;
     virtual int Run(TConfig& config) override;
-protected: 
+protected:
     TString IndexName;
     TString Columns;
     TString DataColumns;
-private: 
-    const NTable::EIndexType IndexType; 
-};
-
-class TCommandIndexAddGlobalSync : public TCommandIndexAddGlobal { 
-public: 
-    TCommandIndexAddGlobalSync(); 
-}; 
- 
-class TCommandIndexAddGlobalAsync : public TCommandIndexAddGlobal { 
-public: 
-    TCommandIndexAddGlobalAsync(); 
-}; 
- 
+private:
+    const NTable::EIndexType IndexType;
+};
+
+class TCommandIndexAddGlobalSync : public TCommandIndexAddGlobal {
+public:
+    TCommandIndexAddGlobalSync();
+};
+
+class TCommandIndexAddGlobalAsync : public TCommandIndexAddGlobal {
+public:
+    TCommandIndexAddGlobalAsync();
+};
+
 class TCommandIndexDrop : public TYdbCommand, public TCommandWithPath {
 public:
     TCommandIndexDrop();
@@ -195,46 +195,46 @@ private:
     TString IndexName;
 };
 
-class TCommandAttributeAdd : public TYdbCommand, public TCommandWithPath { 
-public: 
-    TCommandAttributeAdd(); 
-    virtual void Config(TConfig& config) override; 
-    virtual void Parse(TConfig& config) override; 
-    virtual int Run(TConfig& config) override; 
-private: 
-    THashMap<TString, TString> Attributes; 
-}; 
- 
-class TCommandAttributeDrop : public TYdbCommand, public TCommandWithPath { 
-public: 
-    TCommandAttributeDrop(); 
-    virtual void Config(TConfig& config) override; 
-    virtual void Parse(TConfig& config) override; 
-    virtual int Run(TConfig& config) override; 
-private: 
-    TVector<TString> AttributeKeys; 
-}; 
- 
-class TCommandTtlSet : public TYdbCommand, public TCommandWithPath { 
-public: 
-    TCommandTtlSet(); 
-    virtual void Config(TConfig& config) override; 
-    virtual void Parse(TConfig& config) override; 
-    virtual int Run(TConfig& config) override; 
-private: 
-    TString ColumnName; 
-    TMaybe<NTable::TTtlSettings::EUnit> ColumnUnit; 
-    TDuration ExpireAfter; 
-    TDuration RunInterval = TDuration::Zero(); 
-}; 
- 
-class TCommandTtlDrop : public TYdbCommand, public TCommandWithPath { 
-public: 
-    TCommandTtlDrop(); 
-    virtual void Config(TConfig& config) override; 
-    virtual void Parse(TConfig& config) override; 
-    virtual int Run(TConfig& config) override; 
-}; 
- 
+class TCommandAttributeAdd : public TYdbCommand, public TCommandWithPath {
+public:
+    TCommandAttributeAdd();
+    virtual void Config(TConfig& config) override;
+    virtual void Parse(TConfig& config) override;
+    virtual int Run(TConfig& config) override;
+private:
+    THashMap<TString, TString> Attributes;
+};
+
+class TCommandAttributeDrop : public TYdbCommand, public TCommandWithPath {
+public:
+    TCommandAttributeDrop();
+    virtual void Config(TConfig& config) override;
+    virtual void Parse(TConfig& config) override;
+    virtual int Run(TConfig& config) override;
+private:
+    TVector<TString> AttributeKeys;
+};
+
+class TCommandTtlSet : public TYdbCommand, public TCommandWithPath {
+public:
+    TCommandTtlSet();
+    virtual void Config(TConfig& config) override;
+    virtual void Parse(TConfig& config) override;
+    virtual int Run(TConfig& config) override;
+private:
+    TString ColumnName;
+    TMaybe<NTable::TTtlSettings::EUnit> ColumnUnit;
+    TDuration ExpireAfter;
+    TDuration RunInterval = TDuration::Zero();
+};
+
+class TCommandTtlDrop : public TYdbCommand, public TCommandWithPath {
+public:
+    TCommandTtlDrop();
+    virtual void Config(TConfig& config) override;
+    virtual void Parse(TConfig& config) override;
+    virtual int Run(TConfig& config) override;
+};
+
 }
 }
diff --git a/ydb/public/lib/ydb_cli/commands/ydb_tools.cpp b/ydb/public/lib/ydb_cli/commands/ydb_tools.cpp
index e0c7095a9c..db4ec14d30 100644
--- a/ydb/public/lib/ydb_cli/commands/ydb_tools.cpp
+++ b/ydb/public/lib/ydb_cli/commands/ydb_tools.cpp
@@ -5,7 +5,7 @@
 #include <ydb/library/backup/backup.h>
 #include <ydb/library/backup/util.h>
 
-#include <util/stream/format.h> 
+#include <util/stream/format.h>
 #include <util/string/split.h>
 
 namespace NYdb::NConsoleClient {
@@ -43,9 +43,9 @@ void TCommandDump::Config(TConfig& config) {
         .DefaultValue(".").StoreResult(&Path);
     config.Opts->AddLongOption("exclude", "Pattern(s) (PCRE) for paths excluded from dump."
             " Option can be used several times - one for each pattern.")
-        .RequiredArgument("STRING").Handler1T<TString>([this](const TString& arg) { 
-            ExclusionPatterns.emplace_back(TRegExMatch(arg)); 
-        }); 
+        .RequiredArgument("STRING").Handler1T<TString>([this](const TString& arg) {
+            ExclusionPatterns.emplace_back(TRegExMatch(arg));
+        });
     config.Opts->AddLongOption('o', "output", "[Required] Path in a local filesystem to a directory to place dump into."
             " Directory should either not exist or be empty.")
         .StoreResult(&FilePath);
@@ -54,7 +54,7 @@ void TCommandDump::Config(TConfig& config) {
     config.Opts->AddLongOption("avoid-copy", "Avoid copying."
             " By default, YDB makes a copy of a table before dumping it to reduce impact on workload and ensure consistency.\n"
             "In some cases (e.g. for tables with external blobs) copying should be disabled.")
-        .StoreTrue(&AvoidCopy); 
+        .StoreTrue(&AvoidCopy);
     config.Opts->AddLongOption("save-partial-result", "Do not remove partial dump result."
             " If this option is not enabled, all files that have already been created will be removed in case of error.")
         .StoreTrue(&SavePartialResult);
@@ -62,7 +62,7 @@ void TCommandDump::Config(TConfig& config) {
             " If this option is enabled, storage pool kind will be saved to dump."
             " In this case, if there will be no such storage pool kind in database on restore, error will occur."
             " By default this option is disabled and any existing storage pool kind will be used on restore.")
-        .StoreTrue(&PreservePoolKinds); 
+        .StoreTrue(&PreservePoolKinds);
     config.Opts->AddLongOption("consistency-level", "Consistency level."
             " Options: database, table\n"
             "database - take one consistent snapshot of all tables specified for dump."
@@ -91,8 +91,8 @@ int TCommandDump::Run(TConfig& config) {
 
     try {
         TString relPath = NYdb::RelPathFromAbsolute(config.Database, Path);
-        NYdb::NBackup::BackupFolder(CreateDriver(config), config.Database, relPath, FilePath, ExclusionPatterns, 
-            IsSchemeOnly, useConsistentCopyTable, AvoidCopy, SavePartialResult, PreservePoolKinds); 
+        NYdb::NBackup::BackupFolder(CreateDriver(config), config.Database, relPath, FilePath, ExclusionPatterns,
+            IsSchemeOnly, useConsistentCopyTable, AvoidCopy, SavePartialResult, PreservePoolKinds);
     } catch (const NYdb::NBackup::TYdbErrorException& e) {
         e.LogToStderr();
         return EXIT_FAILURE;
@@ -118,64 +118,64 @@ void TCommandRestore::Config(TConfig& config) {
     config.Opts->AddLongOption('p', "path",
             "[Required] Database path to a destination directory where restored directory or table will be placed.")
         .StoreResult(&Path);
-    config.Opts->AddLongOption('i', "input", 
+    config.Opts->AddLongOption('i', "input",
             "[Required] Path in a local filesystem to a directory with dump.")
         .StoreResult(&FilePath);
 
-    config.Opts->AddLongOption("dry-run", TStringBuilder() 
-            << "Do not restore tables, only check that:" << Endl 
+    config.Opts->AddLongOption("dry-run", TStringBuilder()
+            << "Do not restore tables, only check that:" << Endl
             << "  - all dumped tables exist in database;" << Endl
             << "  - all dumped table schemes are the same as in database.")
         .StoreTrue(&IsDryRun);
- 
-    NDump::TRestoreSettings defaults; 
- 
-    config.Opts->AddLongOption("restore-data", "Whether to restore data or not") 
-        .DefaultValue(defaults.RestoreData_).StoreResult(&RestoreData); 
- 
-    config.Opts->AddLongOption("restore-indexes", "Whether to restore indexes or not") 
-        .DefaultValue(defaults.RestoreIndexes_).StoreResult(&RestoreIndexes); 
- 
-    config.Opts->AddLongOption("skip-document-tables", TStringBuilder() 
-            << "Document API tables cannot be restored for now. " 
-            << "Specify this option to skip such tables") 
-        .DefaultValue(defaults.SkipDocumentTables_).StoreResult(&SkipDocumentTables) 
-        .Hidden(); // Deprecated 
- 
+
+    NDump::TRestoreSettings defaults;
+
+    config.Opts->AddLongOption("restore-data", "Whether to restore data or not")
+        .DefaultValue(defaults.RestoreData_).StoreResult(&RestoreData);
+
+    config.Opts->AddLongOption("restore-indexes", "Whether to restore indexes or not")
+        .DefaultValue(defaults.RestoreIndexes_).StoreResult(&RestoreIndexes);
+
+    config.Opts->AddLongOption("skip-document-tables", TStringBuilder()
+            << "Document API tables cannot be restored for now. "
+            << "Specify this option to skip such tables")
+        .DefaultValue(defaults.SkipDocumentTables_).StoreResult(&SkipDocumentTables)
+        .Hidden(); // Deprecated
+
     config.Opts->AddLongOption("save-partial-result", "Do not remove partial restore result."
             " If this option is not enabled, all changes in database that have already been applied during restore"
             " will be reverted in case of error.")
         .StoreTrue(&SavePartialResult);
 
-    config.Opts->AddLongOption("bandwidth", "Limit data upload bandwidth, bytes per second (example: 2MiB)") 
+    config.Opts->AddLongOption("bandwidth", "Limit data upload bandwidth, bytes per second (example: 2MiB)")
         .DefaultValue("0").StoreResult(&UploadBandwidth);
- 
-    config.Opts->AddLongOption("rps", "Limit requests per second (example: 100)") 
-        .DefaultValue(defaults.RateLimiterSettings_.GetRps()).StoreResult(&UploadRps); 
- 
-    config.Opts->AddLongOption("upload-batch-rows", "Limit upload batch size in rows (example: 1K)") 
-        .DefaultValue(defaults.RowsPerRequest_).StoreResult(&RowsPerRequest); 
- 
-    config.Opts->AddLongOption("upload-batch-bytes", "Limit upload batch size in bytes (example: 1MiB)") 
-        .DefaultValue(HumanReadableSize(defaults.BytesPerRequest_, SF_BYTES)).StoreResult(&BytesPerRequest); 
- 
-    config.Opts->AddLongOption("upload-batch-rus", "Limit upload batch size in request units (example: 100)") 
-        .DefaultValue(defaults.RequestUnitsPerRequest_).StoreResult(&RequestUnitsPerRequest); 
- 
+
+    config.Opts->AddLongOption("rps", "Limit requests per second (example: 100)")
+        .DefaultValue(defaults.RateLimiterSettings_.GetRps()).StoreResult(&UploadRps);
+
+    config.Opts->AddLongOption("upload-batch-rows", "Limit upload batch size in rows (example: 1K)")
+        .DefaultValue(defaults.RowsPerRequest_).StoreResult(&RowsPerRequest);
+
+    config.Opts->AddLongOption("upload-batch-bytes", "Limit upload batch size in bytes (example: 1MiB)")
+        .DefaultValue(HumanReadableSize(defaults.BytesPerRequest_, SF_BYTES)).StoreResult(&BytesPerRequest);
+
+    config.Opts->AddLongOption("upload-batch-rus", "Limit upload batch size in request units (example: 100)")
+        .DefaultValue(defaults.RequestUnitsPerRequest_).StoreResult(&RequestUnitsPerRequest);
+
     config.Opts->AddLongOption("in-flight", "Limit in-flight request count")
-        .DefaultValue(defaults.InFly_).StoreResult(&InFly); 
- 
+        .DefaultValue(defaults.InFly_).StoreResult(&InFly);
+
     config.Opts->AddLongOption("bulk-upsert", "Use BulkUpsert - a more efficient way to upload data with lower consistency level."
         " Global secondary indexes are not supported in this mode.")
         .StoreTrue(&UseBulkUpsert)
         .Hidden(); // Deprecated. Using ImportData should be more effective.
- 
+
     config.Opts->AddLongOption("import-data", "Use ImportData - a more efficient way to upload data with lower consistency level."
         " Global secondary indexes are not supported in this mode.")
-        .StoreTrue(&UseImportData); 
- 
-    config.Opts->MutuallyExclusive("bandwidth", "rps"); 
-    config.Opts->MutuallyExclusive("import-data", "bulk-upsert"); 
+        .StoreTrue(&UseImportData);
+
+    config.Opts->MutuallyExclusive("bandwidth", "rps");
+    config.Opts->MutuallyExclusive("import-data", "bulk-upsert");
 }
 
 void TCommandRestore::Parse(TConfig& config) {
@@ -186,44 +186,44 @@ void TCommandRestore::Parse(TConfig& config) {
 int TCommandRestore::Run(TConfig& config) {
     NYdb::SetVerbosity(config.IsVerbose);
 
-    auto settings = NDump::TRestoreSettings() 
-        .DryRun(IsDryRun) 
-        .RestoreData(RestoreData) 
-        .RestoreIndexes(RestoreIndexes) 
-        .SkipDocumentTables(SkipDocumentTables) 
+    auto settings = NDump::TRestoreSettings()
+        .DryRun(IsDryRun)
+        .RestoreData(RestoreData)
+        .RestoreIndexes(RestoreIndexes)
+        .SkipDocumentTables(SkipDocumentTables)
         .SavePartialResult(SavePartialResult)
-        .RowsPerRequest(NYdb::SizeFromString(RowsPerRequest)) 
-        .InFly(InFly); 
-
-    if (auto bytesPerRequest = NYdb::SizeFromString(BytesPerRequest)) { 
-        if (bytesPerRequest > NDump::TRestoreSettings::MaxBytesPerRequest) { 
-            throw TMissUseException() 
-                << "--upload-batch-bytes cannot be larger than " 
-                << HumanReadableSize(NDump::TRestoreSettings::MaxBytesPerRequest, SF_BYTES); 
-        } 
- 
-        settings.BytesPerRequest(bytesPerRequest); 
+        .RowsPerRequest(NYdb::SizeFromString(RowsPerRequest))
+        .InFly(InFly);
+
+    if (auto bytesPerRequest = NYdb::SizeFromString(BytesPerRequest)) {
+        if (bytesPerRequest > NDump::TRestoreSettings::MaxBytesPerRequest) {
+            throw TMissUseException()
+                << "--upload-batch-bytes cannot be larger than "
+                << HumanReadableSize(NDump::TRestoreSettings::MaxBytesPerRequest, SF_BYTES);
+        }
+
+        settings.BytesPerRequest(bytesPerRequest);
+    }
+
+    if (RequestUnitsPerRequest) {
+        settings.RequestUnitsPerRequest(NYdb::SizeFromString(RequestUnitsPerRequest));
     }
- 
-    if (RequestUnitsPerRequest) { 
-        settings.RequestUnitsPerRequest(NYdb::SizeFromString(RequestUnitsPerRequest)); 
-    } 
- 
-    if (auto bandwidth = NYdb::SizeFromString(UploadBandwidth)) { 
-        settings.RateLimiterSettings_.WithBandwidth(bandwidth, settings.BytesPerRequest_); 
-    } else if (auto rps = NYdb::SizeFromString(UploadRps)) { 
-        settings.RateLimiterSettings_.WithRps(rps); 
-    } 
- 
-    if (UseBulkUpsert) { 
-        settings.Mode(NDump::TRestoreSettings::EMode::BulkUpsert); 
-    } else if (UseImportData) { 
-        settings.Mode(NDump::TRestoreSettings::EMode::ImportData); 
-    } 
- 
-    NDump::TClient client(CreateDriver(config)); 
-    ThrowOnError(client.Restore(FilePath, Path, settings)); 
- 
+
+    if (auto bandwidth = NYdb::SizeFromString(UploadBandwidth)) {
+        settings.RateLimiterSettings_.WithBandwidth(bandwidth, settings.BytesPerRequest_);
+    } else if (auto rps = NYdb::SizeFromString(UploadRps)) {
+        settings.RateLimiterSettings_.WithRps(rps);
+    }
+
+    if (UseBulkUpsert) {
+        settings.Mode(NDump::TRestoreSettings::EMode::BulkUpsert);
+    } else if (UseImportData) {
+        settings.Mode(NDump::TRestoreSettings::EMode::ImportData);
+    }
+
+    NDump::TClient client(CreateDriver(config));
+    ThrowOnError(client.Restore(FilePath, Path, settings));
+
     return EXIT_SUCCESS;
 }
 
@@ -233,12 +233,12 @@ int TCommandRestore::Run(TConfig& config) {
 
 TCommandCopy::TCommandCopy()
     : TTableCommand("copy", {}, "Copy table(s)")
-{ 
-    TItem::DefineFields({ 
-        {"Source", {{"source", "src", "s"}, "Source table path", true}}, 
-        {"Destination", {{"destination", "dst", "d"}, "Destination table path", true}} 
-    }); 
-} 
+{
+    TItem::DefineFields({
+        {"Source", {{"source", "src", "s"}, "Source table path", true}},
+        {"Destination", {{"destination", "dst", "d"}, "Destination table path", true}}
+    });
+}
 
 void TCommandCopy::Config(TConfig& config) {
     TTableCommand::Config(config);
@@ -248,7 +248,7 @@ void TCommandCopy::Config(TConfig& config) {
     TStringBuilder itemHelp;
     itemHelp << "[At least one] Item specification" << Endl
         << "  Possible property names:" << Endl
-        << TItem::FormatHelp(2); 
+        << TItem::FormatHelp(2);
     config.Opts->AddLongOption("item", itemHelp)
         .RequiredArgument("PROPERTY=VALUE,...");
 }
@@ -260,11 +260,11 @@ void TCommandCopy::Parse(TConfig& config) {
     if (Items.empty()) {
         throw TMissUseException() << "At least one item should be provided";
     }
- 
-    for (auto& item : Items) { 
-        NConsoleClient::AdjustPath(item.Source, config); 
-        NConsoleClient::AdjustPath(item.Destination, config); 
-    } 
+
+    for (auto& item : Items) {
+        NConsoleClient::AdjustPath(item.Source, config);
+        NConsoleClient::AdjustPath(item.Destination, config);
+    }
 }
 
 int TCommandCopy::Run(TConfig& config) {
diff --git a/ydb/public/lib/ydb_cli/commands/ydb_tools.h b/ydb/public/lib/ydb_cli/commands/ydb_tools.h
index 4816981699..3a1218a981 100644
--- a/ydb/public/lib/ydb_cli/commands/ydb_tools.h
+++ b/ydb/public/lib/ydb_cli/commands/ydb_tools.h
@@ -7,8 +7,8 @@
 #include <ydb/public/lib/ydb_cli/common/examples.h>
 #include <ydb/public/lib/ydb_cli/common/parseable_struct.h>
 
-#include <library/cpp/regex/pcre/regexp.h> 
- 
+#include <library/cpp/regex/pcre/regexp.h>
+
 namespace NYdb {
 namespace NConsoleClient {
 
@@ -36,13 +36,13 @@ public:
     virtual int Run(TConfig& config) override;
 
 private:
-    TVector<TRegExMatch> ExclusionPatterns; 
+    TVector<TRegExMatch> ExclusionPatterns;
     TString FilePath;
     bool IsSchemeOnly;
-    bool AvoidCopy = false; 
+    bool AvoidCopy = false;
     bool SavePartialResult = false;
     TString ConsistencyLevel;
-    bool PreservePoolKinds = false; 
+    bool PreservePoolKinds = false;
 };
 
 class TCommandRestore : public TToolsCommand, public TCommandWithPath {
@@ -55,18 +55,18 @@ public:
 private:
     TString FilePath;
     bool IsDryRun = false;
-    bool RestoreData = true; 
-    bool RestoreIndexes = true; 
-    bool SkipDocumentTables = false; 
+    bool RestoreData = true;
+    bool RestoreIndexes = true;
+    bool SkipDocumentTables = false;
     bool SavePartialResult = false;
     TString UploadBandwidth;
-    TString UploadRps; 
-    TString RowsPerRequest; 
-    TString BytesPerRequest; 
-    TString RequestUnitsPerRequest; 
-    ui32 InFly; 
+    TString UploadRps;
+    TString RowsPerRequest;
+    TString BytesPerRequest;
+    TString RequestUnitsPerRequest;
+    ui32 InFly;
     bool UseBulkUpsert = false;
-    bool UseImportData = false; 
+    bool UseImportData = false;
 };
 
 class TCommandCopy : public TTableCommand {
diff --git a/ydb/public/lib/ydb_cli/common/aws.cpp b/ydb/public/lib/ydb_cli/common/aws.cpp
index 9f98462ada..8e73b772b9 100644
--- a/ydb/public/lib/ydb_cli/common/aws.cpp
+++ b/ydb/public/lib/ydb_cli/common/aws.cpp
@@ -1,53 +1,53 @@
-#include "aws.h" 
- 
-namespace NYdb { 
-namespace NConsoleClient { 
- 
-const TString TCommandWithAwsCredentials::AwsCredentialsFile= "~/.aws/credentials"; 
- 
-const TString& TCommandWithAwsCredentials::ReadAwsCredentialsFile() { 
-    if (!FileContent) { 
-        TString credentialsFile = AwsCredentialsFile; 
-        FileContent = ReadFromFile(credentialsFile, "AWS Credentials"); 
-    } 
- 
-    return FileContent.GetRef(); 
-} 
- 
-static bool IsSkipSymbol(char s) { 
-    switch (s) { 
-    case ' ': 
-    case '\t': 
-    case '=': 
-        return true; 
-    } 
-    return false; 
-} 
- 
-static TStringBuf GetKey(TStringBuf content, const TString& key) { 
-    TStringBuf line; 
-    while (content.ReadLine(line)) { 
-        if (!line.SkipPrefix(key)) { 
-            continue; 
-        } 
- 
-        while (!line.empty() && IsSkipSymbol(line.front())) { 
-            line.Skip(1); 
-        } 
- 
-        return line; 
-    } 
- 
-    throw TMissUseException() << "Cannot find \"" << key << "\" key"; 
-} 
- 
-void TCommandWithAwsCredentials::ReadAwsAccessKey() { 
-    AwsAccessKey = GetKey(ReadAwsCredentialsFile(), "aws_access_key_id"); 
-} 
- 
-void TCommandWithAwsCredentials::ReadAwsSecretKey() { 
-    AwsSecretKey = GetKey(ReadAwsCredentialsFile(), "aws_secret_access_key"); 
-} 
- 
-} 
-} 
+#include "aws.h"
+
+namespace NYdb {
+namespace NConsoleClient {
+
+const TString TCommandWithAwsCredentials::AwsCredentialsFile= "~/.aws/credentials";
+
+const TString& TCommandWithAwsCredentials::ReadAwsCredentialsFile() {
+    if (!FileContent) {
+        TString credentialsFile = AwsCredentialsFile;
+        FileContent = ReadFromFile(credentialsFile, "AWS Credentials");
+    }
+
+    return FileContent.GetRef();
+}
+
+static bool IsSkipSymbol(char s) {
+    switch (s) {
+    case ' ':
+    case '\t':
+    case '=':
+        return true;
+    }
+    return false;
+}
+
+static TStringBuf GetKey(TStringBuf content, const TString& key) {
+    TStringBuf line;
+    while (content.ReadLine(line)) {
+        if (!line.SkipPrefix(key)) {
+            continue;
+        }
+
+        while (!line.empty() && IsSkipSymbol(line.front())) {
+            line.Skip(1);
+        }
+
+        return line;
+    }
+
+    throw TMissUseException() << "Cannot find \"" << key << "\" key";
+}
+
+void TCommandWithAwsCredentials::ReadAwsAccessKey() {
+    AwsAccessKey = GetKey(ReadAwsCredentialsFile(), "aws_access_key_id");
+}
+
+void TCommandWithAwsCredentials::ReadAwsSecretKey() {
+    AwsSecretKey = GetKey(ReadAwsCredentialsFile(), "aws_secret_access_key");
+}
+
+}
+}
diff --git a/ydb/public/lib/ydb_cli/common/aws.h b/ydb/public/lib/ydb_cli/common/aws.h
index 104454d785..5d793b6b38 100644
--- a/ydb/public/lib/ydb_cli/common/aws.h
+++ b/ydb/public/lib/ydb_cli/common/aws.h
@@ -1,62 +1,62 @@
-#pragma once 
- 
-#include "command.h" 
- 
-#include <util/generic/maybe.h> 
-#include <util/system/env.h> 
- 
-namespace NYdb { 
-namespace NConsoleClient { 
- 
-class TCommandWithAwsCredentials { 
-    template <typename TOpt, typename TReaderFunc> 
-    static void Parse( 
-            const TClientCommand::TConfig& config, 
-            const TOpt opt, 
-            const TString& envKey, 
-            TString& parsed, 
-            TReaderFunc readerFunc) { 
- 
-        if (config.ParseResult->Has(opt)) { 
-            parsed = config.ParseResult->Get(opt); 
-        } else { 
-            TString fromEnv = GetEnv(envKey); 
- 
-            if (!fromEnv.empty()) { 
-                parsed = std::move(fromEnv); 
-            } else { 
-                readerFunc(); 
-            } 
-        } 
-    } 
- 
-protected: 
-    template <typename TOpt> 
-    void ParseAwsAccessKey(const TClientCommand::TConfig& config, const TOpt opt) { 
-        Parse(config, opt, "AWS_ACCESS_KEY_ID", AwsAccessKey, [this]() { 
-            ReadAwsAccessKey(); 
-        }); 
-    } 
- 
-    template <typename TOpt> 
-    void ParseAwsSecretKey(const TClientCommand::TConfig& config, const TOpt opt) { 
-        Parse(config, opt, "AWS_SECRET_ACCESS_KEY", AwsSecretKey, [this]() { 
-            ReadAwsSecretKey(); 
-        }); 
-    } 
- 
-    TString AwsAccessKey; 
-    TString AwsSecretKey; 
- 
-    static const TString AwsCredentialsFile; 
- 
-private: 
-    const TString& ReadAwsCredentialsFile(); 
-    void ReadAwsAccessKey(); 
-    void ReadAwsSecretKey(); 
- 
-    TMaybe<TString> FileContent; 
-}; 
- 
-} 
-} 
+#pragma once
+
+#include "command.h"
+
+#include <util/generic/maybe.h>
+#include <util/system/env.h>
+
+namespace NYdb {
+namespace NConsoleClient {
+
+class TCommandWithAwsCredentials {
+    template <typename TOpt, typename TReaderFunc>
+    static void Parse(
+            const TClientCommand::TConfig& config,
+            const TOpt opt,
+            const TString& envKey,
+            TString& parsed,
+            TReaderFunc readerFunc) {
+
+        if (config.ParseResult->Has(opt)) {
+            parsed = config.ParseResult->Get(opt);
+        } else {
+            TString fromEnv = GetEnv(envKey);
+
+            if (!fromEnv.empty()) {
+                parsed = std::move(fromEnv);
+            } else {
+                readerFunc();
+            }
+        }
+    }
+
+protected:
+    template <typename TOpt>
+    void ParseAwsAccessKey(const TClientCommand::TConfig& config, const TOpt opt) {
+        Parse(config, opt, "AWS_ACCESS_KEY_ID", AwsAccessKey, [this]() {
+            ReadAwsAccessKey();
+        });
+    }
+
+    template <typename TOpt>
+    void ParseAwsSecretKey(const TClientCommand::TConfig& config, const TOpt opt) {
+        Parse(config, opt, "AWS_SECRET_ACCESS_KEY", AwsSecretKey, [this]() {
+            ReadAwsSecretKey();
+        });
+    }
+
+    TString AwsAccessKey;
+    TString AwsSecretKey;
+
+    static const TString AwsCredentialsFile;
+
+private:
+    const TString& ReadAwsCredentialsFile();
+    void ReadAwsAccessKey();
+    void ReadAwsSecretKey();
+
+    TMaybe<TString> FileContent;
+};
+
+}
+}
diff --git a/ydb/public/lib/ydb_cli/common/command.cpp b/ydb/public/lib/ydb_cli/common/command.cpp
index 2e377b58c1..ce7334d738 100644
--- a/ydb/public/lib/ydb_cli/common/command.cpp
+++ b/ydb/public/lib/ydb_cli/common/command.cpp
@@ -95,7 +95,7 @@ TClientCommand::TClientCommand(const TString& name, const std::initializer_list<
     HideOption("svnrevision");
     Opts.AddHelpOption('h');
     ChangeOptionDescription("help", "Print usage");
-    Opts.SetWrap(Max(Opts.Wrap_, static_cast<ui32>(TermWidth()))); 
+    Opts.SetWrap(Max(Opts.Wrap_, static_cast<ui32>(TermWidth())));
 }
 
 
@@ -370,7 +370,7 @@ void TCommandWithPath::AdjustPath(const TClientCommand::TConfig& config) {
         throw TMissUseException() << "Missing required argument <path>";
     }
 
-    NConsoleClient::AdjustPath(Path, config); 
+    NConsoleClient::AdjustPath(Path, config);
 }
 
 void TCommandWithStreamName::ParseStreamName(const TClientCommand::TConfig &config, const size_t argPos) {
diff --git a/ydb/public/lib/ydb_cli/common/format.cpp b/ydb/public/lib/ydb_cli/common/format.cpp
index 4ad0bd0d52..7184ab41d1 100644
--- a/ydb/public/lib/ydb_cli/common/format.cpp
+++ b/ydb/public/lib/ydb_cli/common/format.cpp
@@ -1,14 +1,14 @@
-#include "format.h" 
+#include "format.h"
 #include "pretty_table.h"
- 
+
 #include <util/string/vector.h>
 #include <library/cpp/json/json_prettifier.h>
 
 #include <ydb/public/lib/json_value/ydb_json_value.h>
 
-namespace NYdb { 
-namespace NConsoleClient { 
- 
+namespace NYdb {
+namespace NConsoleClient {
+
 namespace {
     THashMap<EOutputFormat, TString> InputFormatDescriptions = {
         { EOutputFormat::JsonUnicode, "Input in json format, binary strings are decoded with unicode characters" },
@@ -87,13 +87,13 @@ void TCommandWithFormat::AddFormats(TClientCommand::TConfig& config, const TVect
         auto findResult = FormatDescriptions.find(format);
         Y_VERIFY(findResult != FormatDescriptions.end(),
             "Couldn't find description for %s output format", (TStringBuilder() << format).c_str());
-        description << "\n  " << colors.BoldColor() << format << colors.OldColor() 
-            << "\n    " << findResult->second; 
+        description << "\n  " << colors.BoldColor() << format << colors.OldColor()
+            << "\n    " << findResult->second;
     }
     config.Opts->AddLongOption("format", description.Str())
         .RequiredArgument("STRING").StoreResult(&OutputFormat);
     AllowedFormats = allowedFormats;
-} 
+}
 
 void TCommandWithFormat::ParseFormats() {
     if (InputFormat != EOutputFormat::Default
@@ -108,7 +108,7 @@ void TCommandWithFormat::ParseFormats() {
     if (std::find(AllowedFormats.begin(), AllowedFormats.end(), OutputFormat) == AllowedFormats.end()) {
         throw TMissUseException() << "Output format " << OutputFormat << " is not available for this command";
     }
-} 
+}
 
 void TQueryPlanPrinter::Print(const TString& plan) {
     switch (Format) {
diff --git a/ydb/public/lib/ydb_cli/common/format.h b/ydb/public/lib/ydb_cli/common/format.h
index ae506255f4..2d8d6a2e38 100644
--- a/ydb/public/lib/ydb_cli/common/format.h
+++ b/ydb/public/lib/ydb_cli/common/format.h
@@ -1,15 +1,15 @@
-#pragma once 
- 
-#include "command.h" 
-#include "formats.h" 
- 
+#pragma once
+
+#include "command.h"
+#include "formats.h"
+
 #include <ydb/public/lib/json_value/ydb_json_value.h>
 #include <ydb/public/sdk/cpp/client/ydb_result/result.h>
 #include <ydb/public/sdk/cpp/client/ydb_types/status/status.h>
 
-namespace NYdb { 
-namespace NConsoleClient { 
- 
+namespace NYdb {
+namespace NConsoleClient {
+
 class TCommandWithResponseHeaders {
 protected:
     void PrintResponseHeader(const NYdb::TStatus& status);
@@ -19,8 +19,8 @@ protected:
     static const TString ResponseHeadersHelp;
 };
 
-class TCommandWithFormat { 
-protected: 
+class TCommandWithFormat {
+protected:
     void AddInputFormats(TClientCommand::TConfig& config, const TVector<EOutputFormat>& allowedFormats);
     void AddFormats(TClientCommand::TConfig& config, const TVector<EOutputFormat>& allowedFormats);
     void ParseFormats();
@@ -29,8 +29,8 @@ protected:
     void AddJsonOption(TClientCommand::TConfig& config,
         const TString& description = "(Deprecated, will be removed soon. Use --format option instead)"
         " Output in json format");
- 
-protected: 
+
+protected:
     EOutputFormat OutputFormat = EOutputFormat::Default;
     EOutputFormat InputFormat = EOutputFormat::Default;
 
@@ -38,8 +38,8 @@ private:
     TVector<EOutputFormat> AllowedInputFormats;
     TVector<EOutputFormat> AllowedFormats;
     bool DeprecatedOptionUsed = false;
-}; 
- 
+};
+
 class TResultSetPrinter {
 public:
     TResultSetPrinter(EOutputFormat format, std::function<bool()> isInterrupted = []() { return false; });
@@ -83,5 +83,5 @@ private:
     bool AnalyzeMode;
 };
 
-} 
-} 
+}
+}
diff --git a/ydb/public/lib/ydb_cli/common/formats.h b/ydb/public/lib/ydb_cli/common/formats.h
index 09b4911bd2..46e83d943d 100644
--- a/ydb/public/lib/ydb_cli/common/formats.h
+++ b/ydb/public/lib/ydb_cli/common/formats.h
@@ -1,9 +1,9 @@
-#pragma once 
- 
-namespace NYdb { 
-namespace NConsoleClient { 
- 
-enum class EOutputFormat { 
+#pragma once
+
+namespace NYdb {
+namespace NConsoleClient {
+
+enum class EOutputFormat {
     Default /* "default" */,
     Pretty /* "pretty" */,
     Json /* "json" (deprecated) */,
@@ -14,7 +14,7 @@ enum class EOutputFormat {
     ProtoJsonBase64 /* "proto-json-base64" */,
     Csv /* "csv" */,
     Tsv /* "tsv" */,
-}; 
- 
-} 
-} 
+};
+
+}
+}
diff --git a/ydb/public/lib/ydb_cli/common/normalize_path.cpp b/ydb/public/lib/ydb_cli/common/normalize_path.cpp
index 6efea8b8d1..7ceec94045 100644
--- a/ydb/public/lib/ydb_cli/common/normalize_path.cpp
+++ b/ydb/public/lib/ydb_cli/common/normalize_path.cpp
@@ -44,23 +44,23 @@ namespace NConsoleClient {
         return result;
     }
 
-    void AdjustPath(TString& path, const TClientCommand::TConfig& config) { 
-        if (path.StartsWith('/')) { 
-            if (!path.StartsWith(config.Database)) { 
-                throw TMissUseException() << "Provided path \"" << path << "\" starts with '/'. " 
-                    << "That means you are using an absolute path that should start with the path " 
-                    << "to your database \"" << config.Database << "\", but it doesn't. " << Endl 
-                    << "Please, provide full path starting from the domain root " 
-                    << "(example: \"/domain/my_base/dir1/table1\"). " << Endl 
-                    << "Or consider using relative path from your database (example: \"dir1/table1\")."; 
-            } 
-        } else { 
-            // allow relative path 
-            path = (config.Path ? config.Path : config.Database) + '/' + path; 
-        } 
- 
-        path = NormalizePath(path); 
-    } 
- 
+    void AdjustPath(TString& path, const TClientCommand::TConfig& config) {
+        if (path.StartsWith('/')) {
+            if (!path.StartsWith(config.Database)) {
+                throw TMissUseException() << "Provided path \"" << path << "\" starts with '/'. "
+                    << "That means you are using an absolute path that should start with the path "
+                    << "to your database \"" << config.Database << "\", but it doesn't. " << Endl
+                    << "Please, provide full path starting from the domain root "
+                    << "(example: \"/domain/my_base/dir1/table1\"). " << Endl
+                    << "Or consider using relative path from your database (example: \"dir1/table1\").";
+            }
+        } else {
+            // allow relative path
+            path = (config.Path ? config.Path : config.Database) + '/' + path;
+        }
+
+        path = NormalizePath(path);
+    }
+
 }
 }
diff --git a/ydb/public/lib/ydb_cli/common/normalize_path.h b/ydb/public/lib/ydb_cli/common/normalize_path.h
index e949cfd5e8..4352c907bc 100644
--- a/ydb/public/lib/ydb_cli/common/normalize_path.h
+++ b/ydb/public/lib/ydb_cli/common/normalize_path.h
@@ -1,10 +1,10 @@
 #pragma once
 
-#include "command.h" 
+#include "command.h"
 
 namespace NYdb {
 namespace NConsoleClient {
     TString NormalizePath(const TString &path);
-    void AdjustPath(TString& path, const TClientCommand::TConfig& config); 
+    void AdjustPath(TString& path, const TClientCommand::TConfig& config);
 }
 }
diff --git a/ydb/public/lib/ydb_cli/common/normalize_path_ut.cpp b/ydb/public/lib/ydb_cli/common/normalize_path_ut.cpp
index 2f5a43dbb2..aae7cd7301 100644
--- a/ydb/public/lib/ydb_cli/common/normalize_path_ut.cpp
+++ b/ydb/public/lib/ydb_cli/common/normalize_path_ut.cpp
@@ -4,7 +4,7 @@
 using namespace NYdb::NConsoleClient;
 
 Y_UNIT_TEST_SUITE(NormalizePathTest) {
-    Y_UNIT_TEST(TestNormalization) { 
+    Y_UNIT_TEST(TestNormalization) {
         UNIT_ASSERT(NormalizePath("/abc/./d") == "/abc/d");
         UNIT_ASSERT(NormalizePath("/abc/./def//abcd//tre///brr") == "/abc/def/abcd/tre/brr");
         UNIT_ASSERT(NormalizePath("/abc/../def") == "/abc/../def");
@@ -12,26 +12,26 @@ Y_UNIT_TEST_SUITE(NormalizePathTest) {
         UNIT_ASSERT(NormalizePath("/abc/def/.") == "/abc/def");
         UNIT_ASSERT(NormalizePath("/abc/def/./") == "/abc/def");
     }
- 
-    TString AdjustPath(const TString& path, const TClientCommand::TConfig& config) { 
-        TString copyPath(path); 
-        NYdb::NConsoleClient::AdjustPath(copyPath, config); 
-        return copyPath; 
-    } 
- 
-    TClientCommand::TConfig FakeConfig(const TString& database) { 
-        TClientCommand::TConfig config(0, nullptr); 
-        config.Database = database; 
-        return config; 
-    } 
- 
-    Y_UNIT_TEST(TestAdjustment) { 
-        UNIT_ASSERT(AdjustPath("abc", FakeConfig("/root/db")) == "/root/db/abc"); 
-        UNIT_ASSERT(AdjustPath("./abc", FakeConfig("/root/db")) == "/root/db/abc"); 
-        UNIT_ASSERT(AdjustPath("/root/db/abc", FakeConfig("/root/db")) == "/root/db/abc"); 
- 
-        UNIT_ASSERT_EXCEPTION(AdjustPath("/abc", FakeConfig("/root/db")), TMissUseException); 
-        UNIT_ASSERT_EXCEPTION(AdjustPath("/root/bd/abc", FakeConfig("/root/db")), TMissUseException); 
-    } 
+
+    TString AdjustPath(const TString& path, const TClientCommand::TConfig& config) {
+        TString copyPath(path);
+        NYdb::NConsoleClient::AdjustPath(copyPath, config);
+        return copyPath;
+    }
+
+    TClientCommand::TConfig FakeConfig(const TString& database) {
+        TClientCommand::TConfig config(0, nullptr);
+        config.Database = database;
+        return config;
+    }
+
+    Y_UNIT_TEST(TestAdjustment) {
+        UNIT_ASSERT(AdjustPath("abc", FakeConfig("/root/db")) == "/root/db/abc");
+        UNIT_ASSERT(AdjustPath("./abc", FakeConfig("/root/db")) == "/root/db/abc");
+        UNIT_ASSERT(AdjustPath("/root/db/abc", FakeConfig("/root/db")) == "/root/db/abc");
+
+        UNIT_ASSERT_EXCEPTION(AdjustPath("/abc", FakeConfig("/root/db")), TMissUseException);
+        UNIT_ASSERT_EXCEPTION(AdjustPath("/root/bd/abc", FakeConfig("/root/db")), TMissUseException);
+    }
 }
 
diff --git a/ydb/public/lib/ydb_cli/common/parseable_struct.h b/ydb/public/lib/ydb_cli/common/parseable_struct.h
index 4f2a502437..6eeb08ffba 100644
--- a/ydb/public/lib/ydb_cli/common/parseable_struct.h
+++ b/ydb/public/lib/ydb_cli/common/parseable_struct.h
@@ -1,196 +1,196 @@
-#pragma once 
- 
-#include "command.h" 
- 
+#pragma once
+
+#include "command.h"
+
 #include <library/cpp/colorizer/colors.h>
- 
-#include <util/generic/algorithm.h> 
-#include <util/generic/hash.h> 
-#include <util/generic/hash_set.h> 
-#include <util/generic/va_args.h> 
-#include <util/generic/vector.h> 
-#include <util/string/builder.h> 
-#include <util/string/cast.h> 
- 
-namespace NYdb { 
-namespace NConsoleClient { 
- 
-template <typename T> 
-class TParseableStruct { 
-    using TOpt = NLastGetopt::TOpt; 
-    using TOptParseResult = NLastGetopt::TOptParseResult; 
-    using TOptsParseResult = NLastGetopt::TOptsParseResult; 
- 
-    static const TOptParseResult* FindOptParseResult(const TOptsParseResult* parseResult, const TOpt* opt) { 
-        return parseResult->FindOptParseResult(opt); 
-    } 
- 
-    static const TOptParseResult* FindOptParseResult(const TOptsParseResult* parseResult, const TString& name) { 
-        return parseResult->FindLongOptParseResult(name); 
-    } 
- 
-    static const TOptParseResult* FindOptParseResult(const TOptsParseResult* parseResult, char c) { 
-        return parseResult->FindCharOptParseResult(c); 
-    } 
- 
-    static T FromString(const char* data) { 
-        T t; 
- 
-        TStringBuf buf(data); 
-        TStringBuf property = buf.NextTok('='); 
-        THashSet<TString> matched; 
- 
-        while (property.IsInited()) { 
-            if (const TString field = t.LoadProperty(property, buf.NextTok(','))) { 
-                if (!matched.insert(field).second) { 
-                    throw TMissUseException() << "Duplicate value for \"" << field << "\""; 
-                } 
-            } else { 
-                throw TMissUseException() << "Bad property: \"" << property << "\""; 
-            } 
- 
-            property = buf.NextTok('='); 
-        } 
- 
-        for (auto it = Fields.begin(), last = Fields.end(); it != last; ++it) { 
-            if (it->second.Required && !matched.contains(it->first)) { 
-                throw TMissUseException() << "Missing required property \"" << it->first << "\""; 
-            } 
-        } 
- 
-        return t; 
-    } 
- 
-    static TString MakeIndent(size_t indentSize, char indentC = ' ') { 
-        TStringBuilder indent; 
- 
-        while (indentSize) { 
-            indent << indentC; 
-            --indentSize; 
-        } 
- 
-        return indent; 
-    } 
- 
-public: 
-    template <typename TOpt> 
-    static TVector<T> Parse(const TClientCommand::TConfig& config, const TOpt opt) { 
-        const auto* parseResult = FindOptParseResult(config.ParseResult, opt); 
-        if (!parseResult) { 
-            return {}; 
-        } 
- 
-        TVector<T> result(Reserve(parseResult->Count())); 
- 
-        for (const char* value : parseResult->Values()) { 
-            result.push_back(FromString(value)); 
-        } 
- 
-        return result; 
-    } 
- 
-    static TString FormatHelp(size_t indentSize = 0, char indentC = ' ') { 
-        NColorizer::TColors colors = NColorizer::AutoColors(Cout); 
- 
-        TStringBuilder help; 
-        const TString& indent = MakeIndent(indentSize, indentC); 
- 
-        for (const auto& kv : Fields) { 
-            help << indent << "  " << colors.BoldColor() << kv.first << colors.OldColor(); 
- 
-            if (kv.second.Aliases) { 
-                help << " (aliases: "; 
- 
-                bool first = true; 
-                for (const auto& alias : kv.second.Aliases) { 
-                    if (!first) { 
-                        help << ", "; 
-                    } 
-                    first = false; 
-                    help << colors.BoldColor() << alias << colors.OldColor(); 
-                } 
- 
-                help << ")"; 
-            } 
- 
-            help << Endl; 
- 
-            if (kv.second.Description) { 
-                help << indent << "    "; 
-                if (kv.second.Required) { 
-                    help << "[Required] "; 
-                } 
-                help << kv.second.Description << Endl; 
-            } 
-        } 
- 
-        return help; 
-    } 
- 
-protected: 
-    struct TField { 
-        TVector<TString> Aliases; 
-        TString Description; 
-        bool Required; 
-    }; 
- 
-    static THashMap<TString, TField> Fields; 
- 
-    static void DefineField(const TString& name, TField field) { 
-        auto it = Fields.find(name); 
-        Y_VERIFY(it != Fields.end()); 
-        it->second = std::move(field); 
-    } 
- 
-    static bool MatchField(const TString& name, const TStringBuf property) { 
-        if (name == property) { 
-            return true; 
-        } 
- 
-        auto it = Fields.find(name); 
-        Y_VERIFY(it != Fields.end()); 
-        return Find(it->second.Aliases, property) != it->second.Aliases.end(); 
-    } 
- 
-}; 
- 
-template <typename T> 
-THashMap<TString, typename TParseableStruct<T>::TField> TParseableStruct<T>::Fields; 
- 
-#if defined DEFINE_PARSEABLE_STRUCT 
-#error DEFINE_PARSEABLE_STRUCT macro redefinition 
-#endif 
- 
-#define DEFINE_PARSEABLE_STRUCT(name, fields, ...)                             \ 
-    struct name : public fields, public TParseableStruct<name> {               \ 
-        static void DefineFields(THashMap<TString, TField> aliases) {\ 
-            Y_PASS_VA_ARGS(Y_MAP_ARGS(__INIT_STRUCT_FIELD__, __VA_ARGS__))     \ 
-            for (auto& kv : aliases) {                                         \ 
-                DefineField(kv.first, std::move(kv.second));                   \ 
-            }                                                                  \ 
-        }                                                                      \ 
-        TString LoadProperty(const TStringBuf property, const TStringBuf value) { \ 
-            Y_PASS_VA_ARGS(Y_MAP_ARGS(__PARSE_STRUCT_FIELD__, __VA_ARGS__))    \ 
-            return TString();                                                  \ 
-        }                                                                      \ 
-    } 
- 
-#if defined __INIT_STRUCT_FIELD__ 
-#error __INIT_STRUCT_FIELD__ macro redefinition 
-#endif 
- 
-#define __INIT_STRUCT_FIELD__(field)                                           \ 
-    Fields[#field] = {}; 
- 
-#if defined __PARSE_STRUCT_FIELD__ 
-#error __PARSE_STRUCT_FIELD__ macro redefinition 
-#endif 
- 
-#define __PARSE_STRUCT_FIELD__(field)                                          \ 
-    if (MatchField(#field, property)) {                                        \ 
-        field = ::FromString<decltype(field)>(value);                          \ 
-        return #field;                                                           \ 
-    } 
- 
-} 
-} 
+
+#include <util/generic/algorithm.h>
+#include <util/generic/hash.h>
+#include <util/generic/hash_set.h>
+#include <util/generic/va_args.h>
+#include <util/generic/vector.h>
+#include <util/string/builder.h>
+#include <util/string/cast.h>
+
+namespace NYdb {
+namespace NConsoleClient {
+
+template <typename T>
+class TParseableStruct {
+    using TOpt = NLastGetopt::TOpt;
+    using TOptParseResult = NLastGetopt::TOptParseResult;
+    using TOptsParseResult = NLastGetopt::TOptsParseResult;
+
+    static const TOptParseResult* FindOptParseResult(const TOptsParseResult* parseResult, const TOpt* opt) {
+        return parseResult->FindOptParseResult(opt);
+    }
+
+    static const TOptParseResult* FindOptParseResult(const TOptsParseResult* parseResult, const TString& name) {
+        return parseResult->FindLongOptParseResult(name);
+    }
+
+    static const TOptParseResult* FindOptParseResult(const TOptsParseResult* parseResult, char c) {
+        return parseResult->FindCharOptParseResult(c);
+    }
+
+    static T FromString(const char* data) {
+        T t;
+
+        TStringBuf buf(data);
+        TStringBuf property = buf.NextTok('=');
+        THashSet<TString> matched;
+
+        while (property.IsInited()) {
+            if (const TString field = t.LoadProperty(property, buf.NextTok(','))) {
+                if (!matched.insert(field).second) {
+                    throw TMissUseException() << "Duplicate value for \"" << field << "\"";
+                }
+            } else {
+                throw TMissUseException() << "Bad property: \"" << property << "\"";
+            }
+
+            property = buf.NextTok('=');
+        }
+
+        for (auto it = Fields.begin(), last = Fields.end(); it != last; ++it) {
+            if (it->second.Required && !matched.contains(it->first)) {
+                throw TMissUseException() << "Missing required property \"" << it->first << "\"";
+            }
+        }
+
+        return t;
+    }
+
+    static TString MakeIndent(size_t indentSize, char indentC = ' ') {
+        TStringBuilder indent;
+
+        while (indentSize) {
+            indent << indentC;
+            --indentSize;
+        }
+
+        return indent;
+    }
+
+public:
+    template <typename TOpt>
+    static TVector<T> Parse(const TClientCommand::TConfig& config, const TOpt opt) {
+        const auto* parseResult = FindOptParseResult(config.ParseResult, opt);
+        if (!parseResult) {
+            return {};
+        }
+
+        TVector<T> result(Reserve(parseResult->Count()));
+
+        for (const char* value : parseResult->Values()) {
+            result.push_back(FromString(value));
+        }
+
+        return result;
+    }
+
+    static TString FormatHelp(size_t indentSize = 0, char indentC = ' ') {
+        NColorizer::TColors colors = NColorizer::AutoColors(Cout);
+
+        TStringBuilder help;
+        const TString& indent = MakeIndent(indentSize, indentC);
+
+        for (const auto& kv : Fields) {
+            help << indent << "  " << colors.BoldColor() << kv.first << colors.OldColor();
+
+            if (kv.second.Aliases) {
+                help << " (aliases: ";
+
+                bool first = true;
+                for (const auto& alias : kv.second.Aliases) {
+                    if (!first) {
+                        help << ", ";
+                    }
+                    first = false;
+                    help << colors.BoldColor() << alias << colors.OldColor();
+                }
+
+                help << ")";
+            }
+
+            help << Endl;
+
+            if (kv.second.Description) {
+                help << indent << "    ";
+                if (kv.second.Required) {
+                    help << "[Required] ";
+                }
+                help << kv.second.Description << Endl;
+            }
+        }
+
+        return help;
+    }
+
+protected:
+    struct TField {
+        TVector<TString> Aliases;
+        TString Description;
+        bool Required;
+    };
+
+    static THashMap<TString, TField> Fields;
+
+    static void DefineField(const TString& name, TField field) {
+        auto it = Fields.find(name);
+        Y_VERIFY(it != Fields.end());
+        it->second = std::move(field);
+    }
+
+    static bool MatchField(const TString& name, const TStringBuf property) {
+        if (name == property) {
+            return true;
+        }
+
+        auto it = Fields.find(name);
+        Y_VERIFY(it != Fields.end());
+        return Find(it->second.Aliases, property) != it->second.Aliases.end();
+    }
+
+};
+
+template <typename T>
+THashMap<TString, typename TParseableStruct<T>::TField> TParseableStruct<T>::Fields;
+
+#if defined DEFINE_PARSEABLE_STRUCT
+#error DEFINE_PARSEABLE_STRUCT macro redefinition
+#endif
+
+#define DEFINE_PARSEABLE_STRUCT(name, fields, ...)                             \
+    struct name : public fields, public TParseableStruct<name> {               \
+        static void DefineFields(THashMap<TString, TField> aliases) {\
+            Y_PASS_VA_ARGS(Y_MAP_ARGS(__INIT_STRUCT_FIELD__, __VA_ARGS__))     \
+            for (auto& kv : aliases) {                                         \
+                DefineField(kv.first, std::move(kv.second));                   \
+            }                                                                  \
+        }                                                                      \
+        TString LoadProperty(const TStringBuf property, const TStringBuf value) { \
+            Y_PASS_VA_ARGS(Y_MAP_ARGS(__PARSE_STRUCT_FIELD__, __VA_ARGS__))    \
+            return TString();                                                  \
+        }                                                                      \
+    }
+
+#if defined __INIT_STRUCT_FIELD__
+#error __INIT_STRUCT_FIELD__ macro redefinition
+#endif
+
+#define __INIT_STRUCT_FIELD__(field)                                           \
+    Fields[#field] = {};
+
+#if defined __PARSE_STRUCT_FIELD__
+#error __PARSE_STRUCT_FIELD__ macro redefinition
+#endif
+
+#define __PARSE_STRUCT_FIELD__(field)                                          \
+    if (MatchField(#field, property)) {                                        \
+        field = ::FromString<decltype(field)>(value);                          \
+        return #field;                                                           \
+    }
+
+}
+}
diff --git a/ydb/public/lib/ydb_cli/common/pretty_table.cpp b/ydb/public/lib/ydb_cli/common/pretty_table.cpp
index 1e921cfadc..d376454198 100644
--- a/ydb/public/lib/ydb_cli/common/pretty_table.cpp
+++ b/ydb/public/lib/ydb_cli/common/pretty_table.cpp
@@ -1,168 +1,168 @@
-#include "pretty_table.h" 
+#include "pretty_table.h"
 #include "common.h"
- 
-#include <util/generic/algorithm.h> 
-#include <util/generic/xrange.h> 
-#include <util/stream/format.h> 
- 
-namespace NYdb { 
-namespace NConsoleClient { 
- 
-TPrettyTable::TRow::TRow(size_t nColumns) 
-    : Columns(nColumns) 
-{ 
-} 
- 
-size_t TPrettyTable::TRow::ColumnWidth(size_t columnIndex) const { 
-    Y_VERIFY(columnIndex < Columns.size()); 
- 
-    size_t width = 0; 
-    for (const auto& line : Columns.at(columnIndex)) { 
-        width = Max(width, line.size()); 
-    } 
- 
-    return width; 
-} 
- 
-bool TPrettyTable::TRow::PrintColumns(IOutputStream& o, const TVector<size_t>& widths, size_t lineNumber) const { 
-    bool next = false; 
- 
-    for (size_t columnIndex : xrange(Columns.size())) { 
-        if (columnIndex == 0) { 
+
+#include <util/generic/algorithm.h>
+#include <util/generic/xrange.h>
+#include <util/stream/format.h>
+
+namespace NYdb {
+namespace NConsoleClient {
+
+TPrettyTable::TRow::TRow(size_t nColumns)
+    : Columns(nColumns)
+{
+}
+
+size_t TPrettyTable::TRow::ColumnWidth(size_t columnIndex) const {
+    Y_VERIFY(columnIndex < Columns.size());
+
+    size_t width = 0;
+    for (const auto& line : Columns.at(columnIndex)) {
+        width = Max(width, line.size());
+    }
+
+    return width;
+}
+
+bool TPrettyTable::TRow::PrintColumns(IOutputStream& o, const TVector<size_t>& widths, size_t lineNumber) const {
+    bool next = false;
+
+    for (size_t columnIndex : xrange(Columns.size())) {
+        if (columnIndex == 0) {
             o << "| ";
-        } else { 
+        } else {
             o << " | ";
-        } 
- 
-        if (const size_t width = widths.at(columnIndex)) { 
-            const auto& column = Columns.at(columnIndex); 
- 
-            TStringBuf data; 
-            size_t l = 0; 
-            for (const auto& line : column) { 
-                data = line; 
-                while (data && l < lineNumber) { 
-                    data.Skip(width); 
-                    ++l; 
-                } 
-            } 
- 
-            if (data) { 
-                o << RightPad(data.SubStr(0, width), width); 
-            } else { 
-                o << RightPad(' ', width); 
-            } 
- 
-            if (data.size() > width) { 
-                next = true; 
-            } 
-        } 
-    } 
+        }
+
+        if (const size_t width = widths.at(columnIndex)) {
+            const auto& column = Columns.at(columnIndex);
+
+            TStringBuf data;
+            size_t l = 0;
+            for (const auto& line : column) {
+                data = line;
+                while (data && l < lineNumber) {
+                    data.Skip(width);
+                    ++l;
+                }
+            }
+
+            if (data) {
+                o << RightPad(data.SubStr(0, width), width);
+            } else {
+                o << RightPad(' ', width);
+            }
+
+            if (data.size() > width) {
+                next = true;
+            }
+        }
+    }
     o << " |" << Endl;
- 
-    return next; 
-} 
- 
-bool TPrettyTable::TRow::HasFreeText() const { 
-    return !!Text; 
-} 
- 
-void TPrettyTable::TRow::PrintFreeText(IOutputStream& o, size_t width) const { 
-    Y_VERIFY(HasFreeText()); 
- 
-    for (auto& line : StringSplitter(Text).Split('\n')) { 
-        TStringBuf token = line.Token(); 
- 
-        while (token) { 
+
+    return next;
+}
+
+bool TPrettyTable::TRow::HasFreeText() const {
+    return !!Text;
+}
+
+void TPrettyTable::TRow::PrintFreeText(IOutputStream& o, size_t width) const {
+    Y_VERIFY(HasFreeText());
+
+    for (auto& line : StringSplitter(Text).Split('\n')) {
+        TStringBuf token = line.Token();
+
+        while (token) {
             o << "| " << RightPad(token.SubStr(0, width), width) << " |" << Endl;
-            token.Skip(width); 
-        } 
-    } 
-} 
- 
-TPrettyTable::TRow& TPrettyTable::AddRow() { 
-    Rows.push_back(TRow(Columns)); 
-    return Rows.back(); 
-} 
- 
-static void PrintDelim(IOutputStream& o, const TVector<size_t>& widths, 
-        const TString& b, const TString& s, const TString& e, bool dotted = false) { 
-    o << b; 
- 
-    for (auto i : xrange(widths.size())) { 
-        const size_t width = widths.at(i); 
- 
-        for (auto x : xrange(width + 2)) { 
-            Y_UNUSED(x); 
-            o << (dotted ? "╴" : "─"); 
-        } 
- 
-        if (i != widths.size() - 1) { 
-            o << s; 
-        } 
-    } 
- 
-    o << e << Endl; 
-} 
- 
-void TPrettyTable::Print(IOutputStream& o) const { 
-    if (!Rows) { 
-        return; 
-    } 
- 
-    TVector<size_t> widths = CalcWidths(); 
- 
-    PrintDelim(o, widths, "┌", "┬", "┐"); 
-    for (auto i : xrange(Rows.size())) { 
-        const auto& row = Rows.at(i); 
- 
-        size_t line = 0; 
-        while (row.PrintColumns(o, widths, line)) { 
-            ++line; 
-        } 
- 
-        if (row.HasFreeText()) { 
-            PrintDelim(o, widths, "├", "┴", "┤", true); 
-            row.PrintFreeText(o, Accumulate(widths, (Columns - 1) * 3)); 
-        } 
- 
-        if ((Config.DelimRows && i != Rows.size() - 1) || (Config.Header && i == 0)) { 
-            PrintDelim(o, widths, "├", row.HasFreeText() ? "┬" : "┼", "┤"); 
-        } 
-    } 
-    PrintDelim(o, widths, "└", Rows.back().HasFreeText() ? "─" : "┴", "┘"); 
-} 
- 
-TVector<size_t> TPrettyTable::CalcWidths() const { 
-    TVector<size_t> widths(Columns); 
- 
-    // max 
-    for (const auto& row : Rows) { 
-        for (size_t columnIndex : xrange(Columns)) { 
-            widths[columnIndex] = Max(widths[columnIndex], row.ColumnWidth(columnIndex)); 
-        } 
-    } 
- 
-    // adjust 
-    const size_t maxWidth = Max(Config.Width, TermWidth()) - ((Columns * 3) + 1); 
-    size_t totalWidth = Accumulate(widths, (size_t)0); 
-    while (totalWidth > maxWidth) { 
-        auto it = MaxElement(widths.begin(), widths.end()); 
-        if (*it == 1) { 
-            break; 
-        } 
- 
-        if ((totalWidth - maxWidth) < (*it / 2)) { 
-            *it = *it - (totalWidth - maxWidth); 
-        } else { 
-            *it = Max(*it / 2, (size_t)1); 
-        } 
- 
-        totalWidth = Accumulate(widths, 0); 
-    } 
- 
-    return widths; 
-} 
- 
-} 
-} 
+            token.Skip(width);
+        }
+    }
+}
+
+TPrettyTable::TRow& TPrettyTable::AddRow() {
+    Rows.push_back(TRow(Columns));
+    return Rows.back();
+}
+
+static void PrintDelim(IOutputStream& o, const TVector<size_t>& widths,
+        const TString& b, const TString& s, const TString& e, bool dotted = false) {
+    o << b;
+
+    for (auto i : xrange(widths.size())) {
+        const size_t width = widths.at(i);
+
+        for (auto x : xrange(width + 2)) {
+            Y_UNUSED(x);
+            o << (dotted ? "╴" : "─");
+        }
+
+        if (i != widths.size() - 1) {
+            o << s;
+        }
+    }
+
+    o << e << Endl;
+}
+
+void TPrettyTable::Print(IOutputStream& o) const {
+    if (!Rows) {
+        return;
+    }
+
+    TVector<size_t> widths = CalcWidths();
+
+    PrintDelim(o, widths, "┌", "┬", "┐");
+    for (auto i : xrange(Rows.size())) {
+        const auto& row = Rows.at(i);
+
+        size_t line = 0;
+        while (row.PrintColumns(o, widths, line)) {
+            ++line;
+        }
+
+        if (row.HasFreeText()) {
+            PrintDelim(o, widths, "├", "┴", "┤", true);
+            row.PrintFreeText(o, Accumulate(widths, (Columns - 1) * 3));
+        }
+
+        if ((Config.DelimRows && i != Rows.size() - 1) || (Config.Header && i == 0)) {
+            PrintDelim(o, widths, "├", row.HasFreeText() ? "┬" : "┼", "┤");
+        }
+    }
+    PrintDelim(o, widths, "└", Rows.back().HasFreeText() ? "─" : "┴", "┘");
+}
+
+TVector<size_t> TPrettyTable::CalcWidths() const {
+    TVector<size_t> widths(Columns);
+
+    // max
+    for (const auto& row : Rows) {
+        for (size_t columnIndex : xrange(Columns)) {
+            widths[columnIndex] = Max(widths[columnIndex], row.ColumnWidth(columnIndex));
+        }
+    }
+
+    // adjust
+    const size_t maxWidth = Max(Config.Width, TermWidth()) - ((Columns * 3) + 1);
+    size_t totalWidth = Accumulate(widths, (size_t)0);
+    while (totalWidth > maxWidth) {
+        auto it = MaxElement(widths.begin(), widths.end());
+        if (*it == 1) {
+            break;
+        }
+
+        if ((totalWidth - maxWidth) < (*it / 2)) {
+            *it = *it - (totalWidth - maxWidth);
+        } else {
+            *it = Max(*it / 2, (size_t)1);
+        }
+
+        totalWidth = Accumulate(widths, 0);
+    }
+
+    return widths;
+}
+
+}
+}
diff --git a/ydb/public/lib/ydb_cli/common/pretty_table.h b/ydb/public/lib/ydb_cli/common/pretty_table.h
index 761ea9df26..f39411d902 100644
--- a/ydb/public/lib/ydb_cli/common/pretty_table.h
+++ b/ydb/public/lib/ydb_cli/common/pretty_table.h
@@ -1,106 +1,106 @@
-#pragma once 
- 
-#include <util/generic/vector.h> 
-#include <util/string/builder.h> 
-#include <util/string/split.h> 
- 
-namespace NYdb { 
-namespace NConsoleClient { 
- 
-struct TPrettyTableConfig { 
-    bool Header = true; 
-    bool DelimRows = true; 
-    size_t Width = 0; // auto 
- 
-    TPrettyTableConfig& WithoutHeader() { 
-        Header = false; 
-        return *this; 
-    } 
- 
-    TPrettyTableConfig& WithoutRowDelimiters() { 
-        DelimRows = false; 
-        return *this; 
-    } 
- 
-    TPrettyTableConfig& MaxWidth(size_t width) { 
-        Width = width; 
-        return *this; 
-    } 
-}; 
- 
-class TPrettyTable { 
-public: 
-    class TRow { 
-        friend class TPrettyTable; 
- 
+#pragma once
+
+#include <util/generic/vector.h>
+#include <util/string/builder.h>
+#include <util/string/split.h>
+
+namespace NYdb {
+namespace NConsoleClient {
+
+struct TPrettyTableConfig {
+    bool Header = true;
+    bool DelimRows = true;
+    size_t Width = 0; // auto
+
+    TPrettyTableConfig& WithoutHeader() {
+        Header = false;
+        return *this;
+    }
+
+    TPrettyTableConfig& WithoutRowDelimiters() {
+        DelimRows = false;
+        return *this;
+    }
+
+    TPrettyTableConfig& MaxWidth(size_t width) {
+        Width = width;
+        return *this;
+    }
+};
+
+class TPrettyTable {
+public:
+    class TRow {
+        friend class TPrettyTable;
+
         explicit TRow(const TVector<TString>& columnNames) {
-            for (const auto& name : columnNames) { 
-                Columns.push_back({name}); 
-            } 
-        } 
- 
-        explicit TRow(size_t nColumns); 
- 
-    public: 
-        template <typename T> 
-        TRow& Column(size_t index, const T& data) { 
-            TString lines = TStringBuilder() << data; 
- 
-            for (auto& line : StringSplitter(lines).Split('\n')) { 
-                if (line.Empty()) { 
-                    continue; 
-                } 
- 
-                Columns[index].emplace_back(std::move(line)); 
-            } 
- 
-            return *this; 
-        } 
- 
-        TRow& FreeText(TString text) { 
-            Text = std::move(text); 
-            return *this; 
-        } 
- 
-    private: 
-        size_t ColumnWidth(size_t columnIndex) const; 
-        bool PrintColumns(IOutputStream& o, const TVector<size_t>& widths, size_t lineNumber) const; 
-        bool HasFreeText() const; 
-        void PrintFreeText(IOutputStream& o, size_t width) const; 
- 
-    private: 
-        TVector<TVector<TString>> Columns; 
-        TString Text; 
- 
-    }; 
- 
-public: 
+            for (const auto& name : columnNames) {
+                Columns.push_back({name});
+            }
+        }
+
+        explicit TRow(size_t nColumns);
+
+    public:
+        template <typename T>
+        TRow& Column(size_t index, const T& data) {
+            TString lines = TStringBuilder() << data;
+
+            for (auto& line : StringSplitter(lines).Split('\n')) {
+                if (line.Empty()) {
+                    continue;
+                }
+
+                Columns[index].emplace_back(std::move(line));
+            }
+
+            return *this;
+        }
+
+        TRow& FreeText(TString text) {
+            Text = std::move(text);
+            return *this;
+        }
+
+    private:
+        size_t ColumnWidth(size_t columnIndex) const;
+        bool PrintColumns(IOutputStream& o, const TVector<size_t>& widths, size_t lineNumber) const;
+        bool HasFreeText() const;
+        void PrintFreeText(IOutputStream& o, size_t width) const;
+
+    private:
+        TVector<TVector<TString>> Columns;
+        TString Text;
+
+    };
+
+public:
     explicit TPrettyTable(const TVector<TString>& columnNames, const TPrettyTableConfig& config = TPrettyTableConfig())
-        : Columns(columnNames.size()) 
-        , Config(config) 
-    { 
-        if (Config.Header) { 
-            Rows.push_back(TRow(columnNames)); 
-        } 
-    } 
- 
-    TRow& AddRow(); 
-    void Print(IOutputStream& o) const; 
- 
-private: 
-    TVector<size_t> CalcWidths() const; 
- 
-private: 
-    const size_t Columns; 
-    const TPrettyTableConfig Config; 
-    TVector<TRow> Rows; 
- 
-}; 
- 
-} 
-} 
- 
-template <> 
-inline void Out<NYdb::NConsoleClient::TPrettyTable>(IOutputStream& o, const NYdb::NConsoleClient::TPrettyTable& x) { 
-    return x.Print(o); 
-} 
+        : Columns(columnNames.size())
+        , Config(config)
+    {
+        if (Config.Header) {
+            Rows.push_back(TRow(columnNames));
+        }
+    }
+
+    TRow& AddRow();
+    void Print(IOutputStream& o) const;
+
+private:
+    TVector<size_t> CalcWidths() const;
+
+private:
+    const size_t Columns;
+    const TPrettyTableConfig Config;
+    TVector<TRow> Rows;
+
+};
+
+}
+}
+
+template <>
+inline void Out<NYdb::NConsoleClient::TPrettyTable>(IOutputStream& o, const NYdb::NConsoleClient::TPrettyTable& x) {
+    return x.Print(o);
+}
diff --git a/ydb/public/lib/ydb_cli/common/print_operation.cpp b/ydb/public/lib/ydb_cli/common/print_operation.cpp
index 147dce1b58..28a84375dc 100644
--- a/ydb/public/lib/ydb_cli/common/print_operation.cpp
+++ b/ydb/public/lib/ydb_cli/common/print_operation.cpp
@@ -1,19 +1,19 @@
-#include "print_operation.h" 
-#include "pretty_table.h" 
- 
+#include "print_operation.h"
+#include "pretty_table.h"
+
 #include <ydb/public/lib/operation_id/operation_id.h>
 #include <ydb/public/sdk/cpp/client/ydb_types/status_codes.h>
- 
-#include <util/string/builder.h> 
-#include <util/string/cast.h> 
- 
-namespace NYdb { 
-namespace NConsoleClient { 
- 
-namespace { 
- 
-    using namespace NKikimr::NOperationId; 
- 
+
+#include <util/string/builder.h>
+#include <util/string/cast.h>
+
+namespace NYdb {
+namespace NConsoleClient {
+
+namespace {
+
+    using namespace NKikimr::NOperationId;
+
     /// Common
     TPrettyTable MakeTable(const TOperation&) {
         return TPrettyTable({"id", "ready", "status"});
@@ -40,153 +40,153 @@ namespace {
         row.FreeText(freeText);
     }
 
-    template <typename EProgress, typename TMetadata> 
-    TString PrintProgress(const TMetadata& metadata) { 
-        TStringBuilder result; 
- 
-        result << metadata.Progress; 
-        if (metadata.Progress != EProgress::TransferData) { 
-            return result; 
-        } 
- 
-        if (!metadata.ItemsProgress) { 
-            return result; 
-        } 
- 
-        ui32 partsTotal = 0; 
-        ui32 partsCompleted = 0; 
-        for (const auto& item : metadata.ItemsProgress) { 
-            if (!item.PartsTotal) { 
-                return result; 
-            } 
- 
-            partsTotal += item.PartsTotal; 
-            partsCompleted += item.PartsCompleted; 
-        } 
- 
-        float percentage = float(partsCompleted) / partsTotal * 100; 
-        result << " (" << FloatToString(percentage, PREC_POINT_DIGITS, 2) + "%)"; 
- 
-        return result; 
-    } 
- 
-    /// YT 
-    TPrettyTable MakeTable(const NExport::TExportToYtResponse&) { 
-        return TPrettyTable({"id", "ready", "status", "progress", "yt proxy"}); 
-    } 
- 
-    void PrettyPrint(const NExport::TExportToYtResponse& operation, TPrettyTable& table) { 
-        const auto& status = operation.Status(); 
-        const auto& metadata = operation.Metadata(); 
-        const auto& settings = metadata.Settings; 
- 
-        auto& row = table.AddRow(); 
-        row 
-            .Column(0, ProtoToString(operation.Id())) 
-            .Column(1, operation.Ready() ? "true" : "false") 
-            .Column(2, status.GetStatus()) 
-            .Column(3, PrintProgress<decltype(metadata.Progress)>(metadata)) 
-            .Column(4, TStringBuilder() << settings.Host_ << ":" << settings.Port_.GetOrElse(80)); 
- 
-        TStringBuilder freeText; 
- 
-        if (!status.GetIssues().Empty()) { 
-            freeText << "Issues: " << Endl; 
-            for (const auto& issue : status.GetIssues()) { 
-                freeText << "  - " << issue << Endl; 
-            } 
-        } 
- 
-        freeText << "Items: " << Endl; 
-        for (const auto& item : settings.Item_) { 
-            freeText 
-                << "  - source: " << item.Src << Endl 
-                << "    destination: " << item.Dst << Endl; 
-        } 
- 
-        if (settings.Description_) { 
-            freeText << "Description: " << settings.Description_.GetRef() << Endl; 
-        } 
- 
-        if (settings.NumberOfRetries_) { 
-            freeText << "Number of retries: " << settings.NumberOfRetries_.GetRef() << Endl; 
-        } 
- 
-        freeText << "TypeV3: " << (settings.UseTypeV3_ ? "true" : "false") << Endl; 
- 
-        row.FreeText(freeText); 
-    } 
- 
-    /// S3 
-    TPrettyTable MakeTableS3() { 
-        return TPrettyTable({"id", "ready", "status", "progress", "endpoint", "bucket"}); 
-    } 
- 
-    template <typename T> 
-    void PrettyPrintS3(const T& operation, TPrettyTable& table) { 
-        const auto& status = operation.Status(); 
-        const auto& metadata = operation.Metadata(); 
-        const auto& settings = metadata.Settings; 
- 
-        auto& row = table.AddRow(); 
-        row 
-            .Column(0, ProtoToString(operation.Id())) 
-            .Column(1, operation.Ready() ? "true" : "false") 
-            .Column(2, status.GetStatus()) 
-            .Column(3, PrintProgress<decltype(metadata.Progress)>(metadata)) 
-            .Column(4, settings.Endpoint_) 
-            .Column(5, settings.Bucket_); 
- 
-        TStringBuilder freeText; 
- 
-        if constexpr (std::is_same_v<NExport::TExportToS3Response, T>) { 
-            freeText << "StorageClass: " << settings.StorageClass_ << Endl; 
-        } 
- 
-        if (!status.GetIssues().Empty()) { 
-            freeText << "Issues: " << Endl; 
-            for (const auto& issue : status.GetIssues()) { 
-                freeText << "  - " << issue << Endl; 
-            } 
-        } 
- 
-        freeText << "Items: " << Endl; 
-        for (const auto& item : settings.Item_) { 
-            freeText 
-                << "  - source: " << item.Src << Endl 
-                << "    destination: " << item.Dst << Endl; 
-        } 
- 
-        if (settings.Description_) { 
-            freeText << "Description: " << settings.Description_.GetRef() << Endl; 
-        } 
- 
-        if (settings.NumberOfRetries_) { 
-            freeText << "Number of retries: " << settings.NumberOfRetries_.GetRef() << Endl; 
-        } 
- 
-        row.FreeText(freeText); 
-    } 
- 
-    // export 
-    TPrettyTable MakeTable(const NExport::TExportToS3Response&) { 
-        return MakeTableS3(); 
-    } 
- 
-    void PrettyPrint(const NExport::TExportToS3Response& operation, TPrettyTable& table) { 
-        PrettyPrintS3(operation, table); 
-    } 
- 
-    // import 
-    TPrettyTable MakeTable(const NImport::TImportFromS3Response&) { 
-        return MakeTableS3(); 
-    } 
- 
-    void PrettyPrint(const NImport::TImportFromS3Response& operation, TPrettyTable& table) { 
-        PrettyPrintS3(operation, table); 
-    } 
- 
-    /// Index build 
+    template <typename EProgress, typename TMetadata>
+    TString PrintProgress(const TMetadata& metadata) {
+        TStringBuilder result;
+
+        result << metadata.Progress;
+        if (metadata.Progress != EProgress::TransferData) {
+            return result;
+        }
+
+        if (!metadata.ItemsProgress) {
+            return result;
+        }
+
+        ui32 partsTotal = 0;
+        ui32 partsCompleted = 0;
+        for (const auto& item : metadata.ItemsProgress) {
+            if (!item.PartsTotal) {
+                return result;
+            }
+
+            partsTotal += item.PartsTotal;
+            partsCompleted += item.PartsCompleted;
+        }
+
+        float percentage = float(partsCompleted) / partsTotal * 100;
+        result << " (" << FloatToString(percentage, PREC_POINT_DIGITS, 2) + "%)";
+
+        return result;
+    }
+
+    /// YT
+    TPrettyTable MakeTable(const NExport::TExportToYtResponse&) {
+        return TPrettyTable({"id", "ready", "status", "progress", "yt proxy"});
+    }
+
+    void PrettyPrint(const NExport::TExportToYtResponse& operation, TPrettyTable& table) {
+        const auto& status = operation.Status();
+        const auto& metadata = operation.Metadata();
+        const auto& settings = metadata.Settings;
+
+        auto& row = table.AddRow();
+        row
+            .Column(0, ProtoToString(operation.Id()))
+            .Column(1, operation.Ready() ? "true" : "false")
+            .Column(2, status.GetStatus())
+            .Column(3, PrintProgress<decltype(metadata.Progress)>(metadata))
+            .Column(4, TStringBuilder() << settings.Host_ << ":" << settings.Port_.GetOrElse(80));
+
+        TStringBuilder freeText;
+
+        if (!status.GetIssues().Empty()) {
+            freeText << "Issues: " << Endl;
+            for (const auto& issue : status.GetIssues()) {
+                freeText << "  - " << issue << Endl;
+            }
+        }
+
+        freeText << "Items: " << Endl;
+        for (const auto& item : settings.Item_) {
+            freeText
+                << "  - source: " << item.Src << Endl
+                << "    destination: " << item.Dst << Endl;
+        }
+
+        if (settings.Description_) {
+            freeText << "Description: " << settings.Description_.GetRef() << Endl;
+        }
+
+        if (settings.NumberOfRetries_) {
+            freeText << "Number of retries: " << settings.NumberOfRetries_.GetRef() << Endl;
+        }
+
+        freeText << "TypeV3: " << (settings.UseTypeV3_ ? "true" : "false") << Endl;
+
+        row.FreeText(freeText);
+    }
+
+    /// S3
+    TPrettyTable MakeTableS3() {
+        return TPrettyTable({"id", "ready", "status", "progress", "endpoint", "bucket"});
+    }
+
+    template <typename T>
+    void PrettyPrintS3(const T& operation, TPrettyTable& table) {
+        const auto& status = operation.Status();
+        const auto& metadata = operation.Metadata();
+        const auto& settings = metadata.Settings;
+
+        auto& row = table.AddRow();
+        row
+            .Column(0, ProtoToString(operation.Id()))
+            .Column(1, operation.Ready() ? "true" : "false")
+            .Column(2, status.GetStatus())
+            .Column(3, PrintProgress<decltype(metadata.Progress)>(metadata))
+            .Column(4, settings.Endpoint_)
+            .Column(5, settings.Bucket_);
+
+        TStringBuilder freeText;
+
+        if constexpr (std::is_same_v<NExport::TExportToS3Response, T>) {
+            freeText << "StorageClass: " << settings.StorageClass_ << Endl;
+        }
+
+        if (!status.GetIssues().Empty()) {
+            freeText << "Issues: " << Endl;
+            for (const auto& issue : status.GetIssues()) {
+                freeText << "  - " << issue << Endl;
+            }
+        }
+
+        freeText << "Items: " << Endl;
+        for (const auto& item : settings.Item_) {
+            freeText
+                << "  - source: " << item.Src << Endl
+                << "    destination: " << item.Dst << Endl;
+        }
+
+        if (settings.Description_) {
+            freeText << "Description: " << settings.Description_.GetRef() << Endl;
+        }
+
+        if (settings.NumberOfRetries_) {
+            freeText << "Number of retries: " << settings.NumberOfRetries_.GetRef() << Endl;
+        }
+
+        row.FreeText(freeText);
+    }
+
+    // export
+    TPrettyTable MakeTable(const NExport::TExportToS3Response&) {
+        return MakeTableS3();
+    }
+
+    void PrettyPrint(const NExport::TExportToS3Response& operation, TPrettyTable& table) {
+        PrettyPrintS3(operation, table);
+    }
+
+    // import
+    TPrettyTable MakeTable(const NImport::TImportFromS3Response&) {
+        return MakeTableS3();
+    }
+
+    void PrettyPrint(const NImport::TImportFromS3Response& operation, TPrettyTable& table) {
+        PrettyPrintS3(operation, table);
+    }
+
+    /// Index build
     TPrettyTable MakeTable(const NYdb::NTable::TBuildIndexOperation&) {
         return TPrettyTable({"id", "ready", "status", "state", "progress", "table", "index"});
     }
@@ -217,103 +217,103 @@ namespace {
         row.FreeText(freeText);
     }
 
-    // Common 
-    template <typename T> 
-    void PrintOperationImpl(const T& operation, EOutputFormat format) { 
-        switch (format) { 
+    // Common
+    template <typename T>
+    void PrintOperationImpl(const T& operation, EOutputFormat format) {
+        switch (format) {
         case EOutputFormat::Default:
         case EOutputFormat::Pretty:
-        { 
-            auto table = MakeTable(operation); 
-            PrettyPrint(operation, table); 
-            Cout << table << Endl; 
-            break; 
-        } 
- 
-        case EOutputFormat::Json: 
+        {
+            auto table = MakeTable(operation);
+            PrettyPrint(operation, table);
+            Cout << table << Endl;
+            break;
+        }
+
+        case EOutputFormat::Json:
             Cerr << "Warning! Option --json is deprecated and will be removed soon. "
                 << "Use \"--format proto-json-base64\" option instead." << Endl;
             [[fallthrough]];
         case EOutputFormat::ProtoJsonBase64:
-            Cout << operation.ToJsonString() << Endl; 
-            break; 
- 
-        default: 
-            Y_FAIL("Unknown format"); 
-        } 
-    } 
- 
-    template <typename T> 
-    void PrintOperationsListImpl(const T& operations, EOutputFormat format) { 
-        switch (format) { 
+            Cout << operation.ToJsonString() << Endl;
+            break;
+
+        default:
+            Y_FAIL("Unknown format");
+        }
+    }
+
+    template <typename T>
+    void PrintOperationsListImpl(const T& operations, EOutputFormat format) {
+        switch (format) {
         case EOutputFormat::Default:
         case EOutputFormat::Pretty:
-            if (operations.GetList()) { 
-                auto table = MakeTable(operations.GetList().front()); 
-                for (const auto& operation : operations.GetList()) { 
-                    PrettyPrint(operation, table); 
-                } 
-                Cout << table << Endl; 
-            } 
-            Cout << "Next page token: " << operations.NextPageToken() << Endl; 
-            break; 
- 
-        case EOutputFormat::Json: 
+            if (operations.GetList()) {
+                auto table = MakeTable(operations.GetList().front());
+                for (const auto& operation : operations.GetList()) {
+                    PrettyPrint(operation, table);
+                }
+                Cout << table << Endl;
+            }
+            Cout << "Next page token: " << operations.NextPageToken() << Endl;
+            break;
+
+        case EOutputFormat::Json:
             Cerr << "Warning! Option --json is deprecated and will be removed soon. "
                 << "Use \"--format proto-json-base64\" option instead." << Endl;
             [[fallthrough]];
         case EOutputFormat::ProtoJsonBase64:
-            Cout << operations.ToJsonString() << Endl; 
-            break; 
- 
-        default: 
-            Y_FAIL("Unknown format"); 
-        } 
-    } 
- 
-} 
- 
+            Cout << operations.ToJsonString() << Endl;
+            break;
+
+        default:
+            Y_FAIL("Unknown format");
+        }
+    }
+
+}
+
 /// Common
 void PrintOperation(const TOperation& operation, EOutputFormat format) {
     PrintOperationImpl(operation, format);
 }
 
-/// YT 
-void PrintOperation(const NExport::TExportToYtResponse& operation, EOutputFormat format) { 
-    PrintOperationImpl(operation, format); 
-} 
- 
-void PrintOperationsList(const NOperation::TOperationsList<NExport::TExportToYtResponse>& operations, EOutputFormat format) { 
-    PrintOperationsListImpl(operations, format); 
-} 
- 
-/// S3 
-// export 
-void PrintOperation(const NExport::TExportToS3Response& operation, EOutputFormat format) { 
-    PrintOperationImpl(operation, format); 
-} 
- 
-void PrintOperationsList(const NOperation::TOperationsList<NExport::TExportToS3Response>& operations, EOutputFormat format) { 
-    PrintOperationsListImpl(operations, format); 
-} 
- 
-// import 
-void PrintOperation(const NImport::TImportFromS3Response& operation, EOutputFormat format) { 
-    PrintOperationImpl(operation, format); 
-} 
- 
-void PrintOperationsList(const NOperation::TOperationsList<NImport::TImportFromS3Response>& operations, EOutputFormat format) { 
-    PrintOperationsListImpl(operations, format); 
-} 
- 
-/// Index build 
+/// YT
+void PrintOperation(const NExport::TExportToYtResponse& operation, EOutputFormat format) {
+    PrintOperationImpl(operation, format);
+}
+
+void PrintOperationsList(const NOperation::TOperationsList<NExport::TExportToYtResponse>& operations, EOutputFormat format) {
+    PrintOperationsListImpl(operations, format);
+}
+
+/// S3
+// export
+void PrintOperation(const NExport::TExportToS3Response& operation, EOutputFormat format) {
+    PrintOperationImpl(operation, format);
+}
+
+void PrintOperationsList(const NOperation::TOperationsList<NExport::TExportToS3Response>& operations, EOutputFormat format) {
+    PrintOperationsListImpl(operations, format);
+}
+
+// import
+void PrintOperation(const NImport::TImportFromS3Response& operation, EOutputFormat format) {
+    PrintOperationImpl(operation, format);
+}
+
+void PrintOperationsList(const NOperation::TOperationsList<NImport::TImportFromS3Response>& operations, EOutputFormat format) {
+    PrintOperationsListImpl(operations, format);
+}
+
+/// Index build
 void PrintOperation(const NYdb::NTable::TBuildIndexOperation& operation, EOutputFormat format) {
     PrintOperationImpl(operation, format);
-} 
+}
 
 void PrintOperationsList(const NOperation::TOperationsList<NYdb::NTable::TBuildIndexOperation>& operations, EOutputFormat format) {
     PrintOperationsListImpl(operations, format);
-} 
+}
 
 }
 }
diff --git a/ydb/public/lib/ydb_cli/common/print_operation.h b/ydb/public/lib/ydb_cli/common/print_operation.h
index abfc826fa6..95e359ce03 100644
--- a/ydb/public/lib/ydb_cli/common/print_operation.h
+++ b/ydb/public/lib/ydb_cli/common/print_operation.h
@@ -1,32 +1,32 @@
-#pragma once 
- 
-#include "formats.h" 
+#pragma once
+
+#include "formats.h"
 #include <ydb/public/sdk/cpp/client/ydb_export/export.h>
 #include <ydb/public/sdk/cpp/client/ydb_import/import.h>
 #include <ydb/public/sdk/cpp/client/ydb_operation/operation.h>
 #include <ydb/public/sdk/cpp/client/ydb_table/table.h>
- 
-namespace NYdb { 
-namespace NConsoleClient { 
- 
+
+namespace NYdb {
+namespace NConsoleClient {
+
 /// Common
 void PrintOperation(const TOperation& operation, EOutputFormat format);
 
-/// YT 
-void PrintOperation(const NExport::TExportToYtResponse& operation, EOutputFormat format); 
-void PrintOperationsList(const NOperation::TOperationsList<NExport::TExportToYtResponse>& operations, EOutputFormat format); 
- 
-/// S3 
-// export 
-void PrintOperation(const NExport::TExportToS3Response& operation, EOutputFormat format); 
-void PrintOperationsList(const NOperation::TOperationsList<NExport::TExportToS3Response>& operations, EOutputFormat format); 
-// import 
-void PrintOperation(const NImport::TImportFromS3Response& operation, EOutputFormat format); 
-void PrintOperationsList(const NOperation::TOperationsList<NImport::TImportFromS3Response>& operations, EOutputFormat format); 
- 
+/// YT
+void PrintOperation(const NExport::TExportToYtResponse& operation, EOutputFormat format);
+void PrintOperationsList(const NOperation::TOperationsList<NExport::TExportToYtResponse>& operations, EOutputFormat format);
+
+/// S3
+// export
+void PrintOperation(const NExport::TExportToS3Response& operation, EOutputFormat format);
+void PrintOperationsList(const NOperation::TOperationsList<NExport::TExportToS3Response>& operations, EOutputFormat format);
+// import
+void PrintOperation(const NImport::TImportFromS3Response& operation, EOutputFormat format);
+void PrintOperationsList(const NOperation::TOperationsList<NImport::TImportFromS3Response>& operations, EOutputFormat format);
+
 /// Index build
 void PrintOperation(const NYdb::NTable::TBuildIndexOperation& operation, EOutputFormat format);
 void PrintOperationsList(const NOperation::TOperationsList<NYdb::NTable::TBuildIndexOperation>& operations, EOutputFormat format);
 
-} 
-} 
+}
+}
diff --git a/ydb/public/lib/ydb_cli/common/print_utils.cpp b/ydb/public/lib/ydb_cli/common/print_utils.cpp
index 5adde515f3..2cb520e578 100644
--- a/ydb/public/lib/ydb_cli/common/print_utils.cpp
+++ b/ydb/public/lib/ydb_cli/common/print_utils.cpp
@@ -1,65 +1,65 @@
-#include "print_utils.h" 
- 
-#include <util/string/printf.h> 
- 
-namespace NYdb { 
-namespace NConsoleClient { 
- 
-void PrintSchemeEntry(IOutputStream& o, const NScheme::TSchemeEntry& entry, NColorizer::TColors colors) { 
-    switch (entry.Type) { 
-    case NScheme::ESchemeEntryType::Directory: 
-        o << colors.LightBlueColor(); 
-        break; 
-    case NScheme::ESchemeEntryType::Table: 
-        o << colors.WhiteColor(); 
-        break; 
-    case NScheme::ESchemeEntryType::PqGroup: 
-        o << colors.BrownColor(); 
-        break; 
-    case NScheme::ESchemeEntryType::SubDomain: 
-        o << colors.CyanColor(); 
-        break; 
-    case NScheme::ESchemeEntryType::RtmrVolume: 
-        o << colors.LightGreenColor(); 
-        break; 
-    case NScheme::ESchemeEntryType::BlockStoreVolume: 
-        o << colors.LightPurpleColor(); 
-        break; 
-    case NScheme::ESchemeEntryType::CoordinationNode: 
-        o << colors.YellowColor(); 
-        break; 
-    default: 
-        o << colors.RedColor(); 
-    } 
-    o << entry.Name << colors.OldColor(); 
-} 
- 
-TString PrettySize(size_t size) { 
-    double sizeFormat = size; 
-    TString mod = "b"; 
-    const char* mods[] = { "Kb", "Mb", "Gb", "Tb", "Pb", "Eb" }; 
-    TString numFormat = "%.0f"; 
- 
-    for (const char* nextMod : mods) { 
-        if (sizeFormat > 1024) { 
-            sizeFormat /= 1024; 
-            mod = nextMod; 
-            numFormat = "%.02f"; 
-        } else { 
-            break; 
-        } 
-    } 
- 
-    return Sprintf((numFormat + " %s").data(), sizeFormat, mod.data()); 
-} 
- 
-TString FormatTime(TInstant time) { 
-    if (time.GetValue()) { 
-        return time.ToRfc822StringLocal(); 
-    } else { 
-        return "Unknown"; 
-    } 
-}; 
- 
-} 
-} 
+#include "print_utils.h"
+
+#include <util/string/printf.h>
+
+namespace NYdb {
+namespace NConsoleClient {
+
+void PrintSchemeEntry(IOutputStream& o, const NScheme::TSchemeEntry& entry, NColorizer::TColors colors) {
+    switch (entry.Type) {
+    case NScheme::ESchemeEntryType::Directory:
+        o << colors.LightBlueColor();
+        break;
+    case NScheme::ESchemeEntryType::Table:
+        o << colors.WhiteColor();
+        break;
+    case NScheme::ESchemeEntryType::PqGroup:
+        o << colors.BrownColor();
+        break;
+    case NScheme::ESchemeEntryType::SubDomain:
+        o << colors.CyanColor();
+        break;
+    case NScheme::ESchemeEntryType::RtmrVolume:
+        o << colors.LightGreenColor();
+        break;
+    case NScheme::ESchemeEntryType::BlockStoreVolume:
+        o << colors.LightPurpleColor();
+        break;
+    case NScheme::ESchemeEntryType::CoordinationNode:
+        o << colors.YellowColor();
+        break;
+    default:
+        o << colors.RedColor();
+    }
+    o << entry.Name << colors.OldColor();
+}
+
+TString PrettySize(size_t size) {
+    double sizeFormat = size;
+    TString mod = "b";
+    const char* mods[] = { "Kb", "Mb", "Gb", "Tb", "Pb", "Eb" };
+    TString numFormat = "%.0f";
+
+    for (const char* nextMod : mods) {
+        if (sizeFormat > 1024) {
+            sizeFormat /= 1024;
+            mod = nextMod;
+            numFormat = "%.02f";
+        } else {
+            break;
+        }
+    }
+
+    return Sprintf((numFormat + " %s").data(), sizeFormat, mod.data());
+}
+
+TString FormatTime(TInstant time) {
+    if (time.GetValue()) {
+        return time.ToRfc822StringLocal();
+    } else {
+        return "Unknown";
+    }
+};
+
+}
+}
diff --git a/ydb/public/lib/ydb_cli/common/print_utils.h b/ydb/public/lib/ydb_cli/common/print_utils.h
index 379a2c68f9..8b7e8755c1 100644
--- a/ydb/public/lib/ydb_cli/common/print_utils.h
+++ b/ydb/public/lib/ydb_cli/common/print_utils.h
@@ -1,14 +1,14 @@
-#pragma once 
- 
+#pragma once
+
 #include <ydb/public/sdk/cpp/client/ydb_scheme/scheme.h>
 #include <library/cpp/colorizer/colors.h>
- 
-namespace NYdb { 
-namespace NConsoleClient { 
- 
-void PrintSchemeEntry(IOutputStream& o, const NScheme::TSchemeEntry& entry, NColorizer::TColors colors); 
-TString FormatTime(TInstant time); 
-TString PrettySize(size_t size); 
- 
-} 
-} 
+
+namespace NYdb {
+namespace NConsoleClient {
+
+void PrintSchemeEntry(IOutputStream& o, const NScheme::TSchemeEntry& entry, NColorizer::TColors colors);
+TString FormatTime(TInstant time);
+TString PrettySize(size_t size);
+
+}
+}
diff --git a/ydb/public/lib/ydb_cli/common/recursive_list.cpp b/ydb/public/lib/ydb_cli/common/recursive_list.cpp
index 2f020b41a8..3decf4fb56 100644
--- a/ydb/public/lib/ydb_cli/common/recursive_list.cpp
+++ b/ydb/public/lib/ydb_cli/common/recursive_list.cpp
@@ -1,68 +1,68 @@
-#include "recursive_list.h" 
- 
-#include <util/string/join.h> 
- 
-namespace NYdb { 
-namespace NConsoleClient { 
- 
-using namespace NScheme; 
- 
-namespace { 
- 
-    TSchemeEntry ReplaceNameWithPath(const TSchemeEntry& entry, const TString& path) { 
-        TSchemeEntry result(entry); 
-        result.Name = path; 
-        return result; 
-    } 
- 
+#include "recursive_list.h"
+
+#include <util/string/join.h>
+
+namespace NYdb {
+namespace NConsoleClient {
+
+using namespace NScheme;
+
+namespace {
+
+    TSchemeEntry ReplaceNameWithPath(const TSchemeEntry& entry, const TString& path) {
+        TSchemeEntry result(entry);
+        result.Name = path;
+        return result;
+    }
+
     TStatus RecursiveList(TVector<TSchemeEntry>& dst, TSchemeClient& client,
-            const TString& path, const TRecursiveListSettings& settings, bool addSelf = false) { 
- 
-        auto list = client.ListDirectory(path, settings.ListDirectorySettings_).GetValueSync(); 
-        if (!list.IsSuccess()) { 
-            return list; 
-        } 
- 
-        const auto& self = list.GetEntry(); 
+            const TString& path, const TRecursiveListSettings& settings, bool addSelf = false) {
+
+        auto list = client.ListDirectory(path, settings.ListDirectorySettings_).GetValueSync();
+        if (!list.IsSuccess()) {
+            return list;
+        }
+
+        const auto& self = list.GetEntry();
         if (addSelf && settings.Filter_(self)) {
-            dst.push_back(ReplaceNameWithPath(self, path)); 
-        } 
- 
-        for (const auto& child : list.GetChildren()) { 
-            if (settings.SkipSys_ && child.Name.StartsWith(".sys")) { 
-                continue; 
-            } 
- 
-            if (settings.Filter_(child)) { 
-                dst.push_back(ReplaceNameWithPath(child, Join('/', path, child.Name))); 
-            } 
- 
-            switch (child.Type) { 
-                case ESchemeEntryType::SubDomain: 
-                case ESchemeEntryType::Directory: { 
-                    auto status = RecursiveList(dst, client, Join('/', path, child.Name), settings); 
-                    if (!status.IsSuccess()) { 
-                        return status; 
-                    } 
-                    break; 
-                } 
-                default: 
-                    break; 
-            } 
-        } 
- 
-        return list; 
-    } 
- 
-} // anonymous 
- 
+            dst.push_back(ReplaceNameWithPath(self, path));
+        }
+
+        for (const auto& child : list.GetChildren()) {
+            if (settings.SkipSys_ && child.Name.StartsWith(".sys")) {
+                continue;
+            }
+
+            if (settings.Filter_(child)) {
+                dst.push_back(ReplaceNameWithPath(child, Join('/', path, child.Name)));
+            }
+
+            switch (child.Type) {
+                case ESchemeEntryType::SubDomain:
+                case ESchemeEntryType::Directory: {
+                    auto status = RecursiveList(dst, client, Join('/', path, child.Name), settings);
+                    if (!status.IsSuccess()) {
+                        return status;
+                    }
+                    break;
+                }
+                default:
+                    break;
+            }
+        }
+
+        return list;
+    }
+
+} // anonymous
+
 TRecursiveListResult RecursiveList(TSchemeClient& client, const TString& path,
-        const TRecursiveListSettings& settings, bool addSelf) { 
- 
-    TVector<TSchemeEntry> entries; 
+        const TRecursiveListSettings& settings, bool addSelf) {
+
+    TVector<TSchemeEntry> entries;
     auto status = RecursiveList(entries, client, path, settings, addSelf);
-    return {entries, status}; 
-} 
- 
-} 
-} 
+    return {entries, status};
+}
+
+}
+}
diff --git a/ydb/public/lib/ydb_cli/common/recursive_list.h b/ydb/public/lib/ydb_cli/common/recursive_list.h
index ae026faf8a..3448c00f9b 100644
--- a/ydb/public/lib/ydb_cli/common/recursive_list.h
+++ b/ydb/public/lib/ydb_cli/common/recursive_list.h
@@ -1,33 +1,33 @@
-#pragma once 
- 
+#pragma once
+
 #include <ydb/public/sdk/cpp/client/ydb_scheme/scheme.h>
- 
-#include <util/generic/vector.h> 
- 
-namespace NYdb { 
-namespace NConsoleClient { 
- 
-struct TRecursiveListSettings { 
-    using TSelf = TRecursiveListSettings; 
-    using TFilterOp = std::function<bool(const NScheme::TSchemeEntry&)>; 
- 
-    FLUENT_SETTING_DEFAULT(NScheme::TListDirectorySettings, ListDirectorySettings, {}); 
-    FLUENT_SETTING_DEFAULT(bool, SkipSys, true); 
-    FLUENT_SETTING_DEFAULT(TFilterOp, Filter, &NopFilter); 
- 
-private: 
-    static inline bool NopFilter(const NScheme::TSchemeEntry&) { 
-        return true; 
-    } 
-}; 
- 
-struct TRecursiveListResult { 
-    TVector<NScheme::TSchemeEntry> Entries; // name of the entry contains full path 
-    TStatus Status; // last successful or first unsuccessful status 
-}; 
- 
-TRecursiveListResult RecursiveList(NScheme::TSchemeClient& client, const TString& path, 
+
+#include <util/generic/vector.h>
+
+namespace NYdb {
+namespace NConsoleClient {
+
+struct TRecursiveListSettings {
+    using TSelf = TRecursiveListSettings;
+    using TFilterOp = std::function<bool(const NScheme::TSchemeEntry&)>;
+
+    FLUENT_SETTING_DEFAULT(NScheme::TListDirectorySettings, ListDirectorySettings, {});
+    FLUENT_SETTING_DEFAULT(bool, SkipSys, true);
+    FLUENT_SETTING_DEFAULT(TFilterOp, Filter, &NopFilter);
+
+private:
+    static inline bool NopFilter(const NScheme::TSchemeEntry&) {
+        return true;
+    }
+};
+
+struct TRecursiveListResult {
+    TVector<NScheme::TSchemeEntry> Entries; // name of the entry contains full path
+    TStatus Status; // last successful or first unsuccessful status
+};
+
+TRecursiveListResult RecursiveList(NScheme::TSchemeClient& client, const TString& path,
     const TRecursiveListSettings& settings = {}, bool addSelf = true);
- 
-} 
-} 
+
+}
+}
diff --git a/ydb/public/lib/ydb_cli/common/tabbed_table.cpp b/ydb/public/lib/ydb_cli/common/tabbed_table.cpp
index ec31f58f24..f5371d22a2 100644
--- a/ydb/public/lib/ydb_cli/common/tabbed_table.cpp
+++ b/ydb/public/lib/ydb_cli/common/tabbed_table.cpp
@@ -1,7 +1,7 @@
 #include "tabbed_table.h"
 
 #include "common.h"
-#include "print_utils.h" 
+#include "print_utils.h"
 
 namespace NYdb {
 namespace NConsoleClient {
diff --git a/ydb/public/lib/ydb_cli/common/ya.make b/ydb/public/lib/ydb_cli/common/ya.make
index a77c61042c..35523bfb4c 100644
--- a/ydb/public/lib/ydb_cli/common/ya.make
+++ b/ydb/public/lib/ydb_cli/common/ya.make
@@ -3,24 +3,24 @@ LIBRARY(common)
 OWNER(g:kikimr)
 
 SRCS(
-    aws.cpp 
+    aws.cpp
     command.cpp
     common.cpp
     examples.cpp
-    format.cpp 
+    format.cpp
     interruptible.cpp
     normalize_path.cpp
     parameters.cpp
-    pretty_table.cpp 
-    print_operation.cpp 
-    print_utils.cpp 
+    pretty_table.cpp
+    print_operation.cpp
+    print_utils.cpp
     profile_manager.cpp
     query_stats.cpp
-    recursive_list.cpp 
+    recursive_list.cpp
     root.cpp
     tabbed_table.cpp
     ydb_updater.cpp
-    yt.cpp 
+    yt.cpp
 )
 
 PEERDIR(
@@ -36,8 +36,8 @@ PEERDIR(
     ydb/public/sdk/cpp/client/ydb_types/credentials
 )
 
-GENERATE_ENUM_SERIALIZATION(formats.h) 
- 
+GENERATE_ENUM_SERIALIZATION(formats.h)
+
 END()
 
 RECURSE_FOR_TESTS(
diff --git a/ydb/public/lib/ydb_cli/common/yt.cpp b/ydb/public/lib/ydb_cli/common/yt.cpp
index a3805a63a9..91c37eaec2 100644
--- a/ydb/public/lib/ydb_cli/common/yt.cpp
+++ b/ydb/public/lib/ydb_cli/common/yt.cpp
@@ -1,41 +1,41 @@
-#include "yt.h" 
- 
-#include <util/folder/dirut.h> 
-#include <util/folder/path.h> 
-#include <util/generic/maybe.h> 
-#include <util/stream/file.h> 
-#include <util/string/split.h> 
-#include <util/string/strip.h> 
- 
-namespace NYdb { 
-namespace NConsoleClient { 
- 
-void TCommandWithYtProxy::ParseYtProxy(const TString& proxy) { 
-    if (proxy.empty()) { 
-        throw TMissUseException() << "No YT proxy provided."; 
-    } 
- 
-    TMaybe<ui16> port; 
- 
-    try { 
-        Split(proxy, ':', YtHost, port); 
-    } catch (const yexception& ex) { 
-        throw TMissUseException() << "Bad YT proxy format: \"" << proxy << "\"."; 
-    } 
- 
-    if (YtHost.find('.') == TString::npos && YtHost.find("localhost") == TString::npos) { 
-        YtHost.append(".yt.yandex.net"); 
-    } 
- 
-    YtPort = port.GetOrElse(DefaultYtPort); 
-} 
- 
-const TString TCommandWithYtToken::YtTokenFile = "~/.yt/token"; 
- 
-void TCommandWithYtToken::ReadYtToken() { 
-    TString tokenFile = YtTokenFile; 
+#include "yt.h"
+
+#include <util/folder/dirut.h>
+#include <util/folder/path.h>
+#include <util/generic/maybe.h>
+#include <util/stream/file.h>
+#include <util/string/split.h>
+#include <util/string/strip.h>
+
+namespace NYdb {
+namespace NConsoleClient {
+
+void TCommandWithYtProxy::ParseYtProxy(const TString& proxy) {
+    if (proxy.empty()) {
+        throw TMissUseException() << "No YT proxy provided.";
+    }
+
+    TMaybe<ui16> port;
+
+    try {
+        Split(proxy, ':', YtHost, port);
+    } catch (const yexception& ex) {
+        throw TMissUseException() << "Bad YT proxy format: \"" << proxy << "\".";
+    }
+
+    if (YtHost.find('.') == TString::npos && YtHost.find("localhost") == TString::npos) {
+        YtHost.append(".yt.yandex.net");
+    }
+
+    YtPort = port.GetOrElse(DefaultYtPort);
+}
+
+const TString TCommandWithYtToken::YtTokenFile = "~/.yt/token";
+
+void TCommandWithYtToken::ReadYtToken() {
+    TString tokenFile = YtTokenFile;
     YtToken = ReadFromFile(tokenFile, "YT token");
-} 
- 
-} 
-} 
+}
+
+}
+}
diff --git a/ydb/public/lib/ydb_cli/common/yt.h b/ydb/public/lib/ydb_cli/common/yt.h
index a6d167dc93..723d354b50 100644
--- a/ydb/public/lib/ydb_cli/common/yt.h
+++ b/ydb/public/lib/ydb_cli/common/yt.h
@@ -1,56 +1,56 @@
-#pragma once 
- 
-#include "command.h" 
- 
-#include <util/system/env.h> 
- 
-namespace NYdb { 
-namespace NConsoleClient { 
- 
-class TCommandWithYtProxy { 
-protected: 
-    template <typename TOpt> 
-    void ParseYtProxy(const TClientCommand::TConfig& config, const TOpt opt) { 
-        if (config.ParseResult->Has(opt)) { 
-            ParseYtProxy(config.ParseResult->Get(opt)); 
-        } else { 
-            ParseYtProxy(GetEnv("YT_PROXY")); 
-        } 
-    } 
- 
-    TString YtHost; 
-    ui16 YtPort; 
- 
-private: 
-    void ParseYtProxy(const TString& proxy); 
- 
-    static constexpr ui16 DefaultYtPort = 80; 
-}; 
- 
-class TCommandWithYtToken { 
-protected: 
-    template <typename TOpt> 
-    void ParseYtToken(const TClientCommand::TConfig& config, const TOpt opt) { 
-        if (config.ParseResult->Has(opt)) { 
-            YtToken = config.ParseResult->Get(opt); 
-        } else { 
-            TString token = GetEnv("YT_TOKEN"); 
- 
-            if (!token.empty()) { 
-                YtToken = std::move(token); 
-            } else { 
-                ReadYtToken(); 
-            } 
-        } 
-    } 
- 
-    TString YtToken; 
- 
-    static const TString YtTokenFile; 
- 
-private: 
-    void ReadYtToken(); 
-}; 
- 
-} 
-} 
+#pragma once
+
+#include "command.h"
+
+#include <util/system/env.h>
+
+namespace NYdb {
+namespace NConsoleClient {
+
+class TCommandWithYtProxy {
+protected:
+    template <typename TOpt>
+    void ParseYtProxy(const TClientCommand::TConfig& config, const TOpt opt) {
+        if (config.ParseResult->Has(opt)) {
+            ParseYtProxy(config.ParseResult->Get(opt));
+        } else {
+            ParseYtProxy(GetEnv("YT_PROXY"));
+        }
+    }
+
+    TString YtHost;
+    ui16 YtPort;
+
+private:
+    void ParseYtProxy(const TString& proxy);
+
+    static constexpr ui16 DefaultYtPort = 80;
+};
+
+class TCommandWithYtToken {
+protected:
+    template <typename TOpt>
+    void ParseYtToken(const TClientCommand::TConfig& config, const TOpt opt) {
+        if (config.ParseResult->Has(opt)) {
+            YtToken = config.ParseResult->Get(opt);
+        } else {
+            TString token = GetEnv("YT_TOKEN");
+
+            if (!token.empty()) {
+                YtToken = std::move(token);
+            } else {
+                ReadYtToken();
+            }
+        }
+    }
+
+    TString YtToken;
+
+    static const TString YtTokenFile;
+
+private:
+    void ReadYtToken();
+};
+
+}
+}
diff --git a/ydb/public/lib/ydb_cli/dump/dump.cpp b/ydb/public/lib/ydb_cli/dump/dump.cpp
index 6a3a1c087d..093d90b54c 100644
--- a/ydb/public/lib/ydb_cli/dump/dump.cpp
+++ b/ydb/public/lib/ydb_cli/dump/dump.cpp
@@ -1,75 +1,75 @@
-#include "dump.h" 
-#include "dump_impl.h" 
-#include "restore_impl.h" 
- 
+#include "dump.h"
+#include "dump_impl.h"
+#include "restore_impl.h"
+
 #include <ydb/public/sdk/cpp/client/ydb_import/import.h>
 #include <ydb/public/sdk/cpp/client/ydb_operation/operation.h>
 #include <ydb/public/sdk/cpp/client/ydb_scheme/scheme.h>
 #include <ydb/public/sdk/cpp/client/ydb_table/table.h>
- 
-#include <util/string/printf.h> 
- 
-namespace NYdb { 
-namespace NDump { 
- 
-extern const char SCHEME_FILE_NAME[] = "scheme.pb"; 
-extern const char INCOMPLETE_FILE_NAME[] = "incomplete"; 
-extern const char EMPTY_FILE_NAME[] = "empty_dir"; 
- 
-TString DataFileName(ui32 id) { 
-    return Sprintf("data_%02d.csv", id); 
-} 
- 
-class TClient::TImpl { 
-public: 
-    explicit TImpl(const TDriver& driver) 
-        : ImportClient(driver) 
-        , OperationClient(driver) 
-        , SchemeClient(driver) 
-        , TableClient(driver) 
-    { 
-    } 
- 
-    TDumpResult Dump(const TString& dbPath, const TString& fsPath, const TDumpSettings& settings) { 
-        auto client = TDumpClient(SchemeClient, TableClient); 
-        return client.Dump(dbPath, fsPath, settings); 
-    } 
- 
-    TRestoreResult Restore(const TString& fsPath, const TString& dbPath, const TRestoreSettings& settings) { 
+
+#include <util/string/printf.h>
+
+namespace NYdb {
+namespace NDump {
+
+extern const char SCHEME_FILE_NAME[] = "scheme.pb";
+extern const char INCOMPLETE_FILE_NAME[] = "incomplete";
+extern const char EMPTY_FILE_NAME[] = "empty_dir";
+
+TString DataFileName(ui32 id) {
+    return Sprintf("data_%02d.csv", id);
+}
+
+class TClient::TImpl {
+public:
+    explicit TImpl(const TDriver& driver)
+        : ImportClient(driver)
+        , OperationClient(driver)
+        , SchemeClient(driver)
+        , TableClient(driver)
+    {
+    }
+
+    TDumpResult Dump(const TString& dbPath, const TString& fsPath, const TDumpSettings& settings) {
+        auto client = TDumpClient(SchemeClient, TableClient);
+        return client.Dump(dbPath, fsPath, settings);
+    }
+
+    TRestoreResult Restore(const TString& fsPath, const TString& dbPath, const TRestoreSettings& settings) {
         auto client = TRestoreClient(ImportClient, OperationClient, SchemeClient, TableClient);
-        return client.Restore(fsPath, dbPath, settings); 
-    } 
- 
-private: 
-    NImport::TImportClient ImportClient; 
-    NOperation::TOperationClient OperationClient; 
-    NScheme::TSchemeClient SchemeClient; 
-    NTable::TTableClient TableClient; 
- 
-}; // TImpl 
- 
-TDumpResult::TDumpResult(TStatus&& status) 
-    : TStatus(std::move(status)) 
-{ 
-} 
- 
-TRestoreResult::TRestoreResult(TStatus&& status) 
-    : TStatus(std::move(status)) 
-{ 
-} 
- 
-TClient::TClient(const TDriver& driver) 
-    : Impl_(new TImpl(driver)) 
-{ 
-} 
- 
-TDumpResult TClient::Dump(const TString& dbPath, const TString& fsPath, const TDumpSettings& settings) { 
-    return Impl_->Dump(dbPath, fsPath, settings); 
-} 
- 
-TRestoreResult TClient::Restore(const TString& fsPath, const TString& dbPath, const TRestoreSettings& settings) { 
-    return Impl_->Restore(fsPath, dbPath, settings); 
-} 
- 
-} // NDump 
-} // NYdb 
+        return client.Restore(fsPath, dbPath, settings);
+    }
+
+private:
+    NImport::TImportClient ImportClient;
+    NOperation::TOperationClient OperationClient;
+    NScheme::TSchemeClient SchemeClient;
+    NTable::TTableClient TableClient;
+
+}; // TImpl
+
+TDumpResult::TDumpResult(TStatus&& status)
+    : TStatus(std::move(status))
+{
+}
+
+TRestoreResult::TRestoreResult(TStatus&& status)
+    : TStatus(std::move(status))
+{
+}
+
+TClient::TClient(const TDriver& driver)
+    : Impl_(new TImpl(driver))
+{
+}
+
+TDumpResult TClient::Dump(const TString& dbPath, const TString& fsPath, const TDumpSettings& settings) {
+    return Impl_->Dump(dbPath, fsPath, settings);
+}
+
+TRestoreResult TClient::Restore(const TString& fsPath, const TString& dbPath, const TRestoreSettings& settings) {
+    return Impl_->Restore(fsPath, dbPath, settings);
+}
+
+} // NDump
+} // NYdb
diff --git a/ydb/public/lib/ydb_cli/dump/dump.h b/ydb/public/lib/ydb_cli/dump/dump.h
index 118d1f6645..877948d105 100644
--- a/ydb/public/lib/ydb_cli/dump/dump.h
+++ b/ydb/public/lib/ydb_cli/dump/dump.h
@@ -1,103 +1,103 @@
-#pragma once 
- 
+#pragma once
+
 #include <ydb/public/sdk/cpp/client/ydb_types/status/status.h>
 #include <ydb/public/sdk/cpp/client/ydb_types/fluent_settings_helpers.h>
 #include <ydb/public/sdk/cpp/client/ydb_driver/driver.h>
- 
-#include <util/generic/size_literals.h> 
- 
-namespace NYdb { 
-namespace NDump { 
- 
-extern const char SCHEME_FILE_NAME[10]; 
-extern const char INCOMPLETE_FILE_NAME[11]; 
-extern const char EMPTY_FILE_NAME[10]; 
- 
-TString DataFileName(ui32 id); 
- 
-/// dump 
-struct TDumpSettings: public TOperationRequestSettings<TDumpSettings> { 
-    using TSelf = TDumpSettings; 
- 
-}; // TDumpSettings 
- 
-class TDumpResult: public TStatus { 
-public: 
-    TDumpResult(TStatus&& status); 
- 
-}; // TDumpResult 
- 
-/// restore 
-struct TRateLimiterSettings { 
-    using TSelf = TRateLimiterSettings; 
- 
-    FLUENT_SETTING_DEFAULT(ui32, Rate, 30); 
-    FLUENT_SETTING_DEFAULT(TDuration, Interval, TDuration::Seconds(1)); 
-    FLUENT_SETTING_DEFAULT(TDuration, ReactionTime, TDuration::MilliSeconds(50)); 
- 
-    TSelf& WithBandwidth(ui64 bandwidth, ui64 batchSize) { 
-        return Rate(Max<ui64>(1, (Interval_.Seconds() * bandwidth + batchSize - 1) / batchSize)); 
-    } 
- 
-    TSelf& WithRps(ui64 maxUploadRps) { 
-        return Rate(Max<ui64>(1, maxUploadRps * Interval_.Seconds())); 
-    } 
- 
-    ui32 GetRps() const { 
+
+#include <util/generic/size_literals.h>
+
+namespace NYdb {
+namespace NDump {
+
+extern const char SCHEME_FILE_NAME[10];
+extern const char INCOMPLETE_FILE_NAME[11];
+extern const char EMPTY_FILE_NAME[10];
+
+TString DataFileName(ui32 id);
+
+/// dump
+struct TDumpSettings: public TOperationRequestSettings<TDumpSettings> {
+    using TSelf = TDumpSettings;
+
+}; // TDumpSettings
+
+class TDumpResult: public TStatus {
+public:
+    TDumpResult(TStatus&& status);
+
+}; // TDumpResult
+
+/// restore
+struct TRateLimiterSettings {
+    using TSelf = TRateLimiterSettings;
+
+    FLUENT_SETTING_DEFAULT(ui32, Rate, 30);
+    FLUENT_SETTING_DEFAULT(TDuration, Interval, TDuration::Seconds(1));
+    FLUENT_SETTING_DEFAULT(TDuration, ReactionTime, TDuration::MilliSeconds(50));
+
+    TSelf& WithBandwidth(ui64 bandwidth, ui64 batchSize) {
+        return Rate(Max<ui64>(1, (Interval_.Seconds() * bandwidth + batchSize - 1) / batchSize));
+    }
+
+    TSelf& WithRps(ui64 maxUploadRps) {
+        return Rate(Max<ui64>(1, maxUploadRps * Interval_.Seconds()));
+    }
+
+    ui32 GetRps() const {
         return Max<ui32>(1, Rate_ * TDuration::Seconds(1).MilliSeconds() / Interval_.MilliSeconds());
-    } 
- 
-}; // TRateLimiterSettings 
- 
-struct TRestoreSettings: public TOperationRequestSettings<TRestoreSettings> { 
-    using TSelf = TRestoreSettings; 
- 
-    enum class EMode { 
-        Yql, 
-        BulkUpsert, 
-        ImportData, 
-    }; 
- 
-    static constexpr ui64 MaxBytesPerRequest = 8_MB; 
- 
-    FLUENT_SETTING_DEFAULT(EMode, Mode, EMode::Yql); 
-    FLUENT_SETTING_DEFAULT(bool, DryRun, false); 
-    FLUENT_SETTING_DEFAULT(bool, RestoreData, true); 
-    FLUENT_SETTING_DEFAULT(bool, RestoreIndexes, true); 
-    FLUENT_SETTING_DEFAULT(bool, SkipDocumentTables, false); 
+    }
+
+}; // TRateLimiterSettings
+
+struct TRestoreSettings: public TOperationRequestSettings<TRestoreSettings> {
+    using TSelf = TRestoreSettings;
+
+    enum class EMode {
+        Yql,
+        BulkUpsert,
+        ImportData,
+    };
+
+    static constexpr ui64 MaxBytesPerRequest = 8_MB;
+
+    FLUENT_SETTING_DEFAULT(EMode, Mode, EMode::Yql);
+    FLUENT_SETTING_DEFAULT(bool, DryRun, false);
+    FLUENT_SETTING_DEFAULT(bool, RestoreData, true);
+    FLUENT_SETTING_DEFAULT(bool, RestoreIndexes, true);
+    FLUENT_SETTING_DEFAULT(bool, SkipDocumentTables, false);
     FLUENT_SETTING_DEFAULT(bool, SavePartialResult, false);
- 
-    FLUENT_SETTING_DEFAULT(ui64, MemLimit, 16_MB); 
-    FLUENT_SETTING_DEFAULT(ui64, RowsPerRequest, 0); 
-    FLUENT_SETTING_DEFAULT(ui64, BytesPerRequest, 512_KB); 
-    FLUENT_SETTING_DEFAULT(ui64, RequestUnitsPerRequest, 30); 
-    FLUENT_SETTING_DEFAULT(ui64, FileBufferSize, 2_MB); 
-    FLUENT_SETTING_DEFAULT(ui32, InFly, 10); 
-    FLUENT_SETTING_DEFAULT(TRateLimiterSettings, RateLimiterSettings, {}); 
- 
-}; // TRestoreSettings 
- 
-class TRestoreResult: public TStatus { 
-public: 
-    TRestoreResult(TStatus&& status); 
- 
-}; // TRestoreResult 
- 
-/// client 
-class TClient { 
-private: 
-    class TImpl; 
- 
-public: 
-    explicit TClient(const TDriver& driver); 
- 
-    TDumpResult Dump(const TString& dbPath, const TString& fsPath, const TDumpSettings& settings = {}); 
-    TRestoreResult Restore(const TString& fsPath, const TString& dbPath, const TRestoreSettings& settings = {}); 
- 
-private: 
-    std::shared_ptr<TImpl> Impl_; 
- 
-}; // TClient 
- 
-} // NDump 
-} // NYdb 
+
+    FLUENT_SETTING_DEFAULT(ui64, MemLimit, 16_MB);
+    FLUENT_SETTING_DEFAULT(ui64, RowsPerRequest, 0);
+    FLUENT_SETTING_DEFAULT(ui64, BytesPerRequest, 512_KB);
+    FLUENT_SETTING_DEFAULT(ui64, RequestUnitsPerRequest, 30);
+    FLUENT_SETTING_DEFAULT(ui64, FileBufferSize, 2_MB);
+    FLUENT_SETTING_DEFAULT(ui32, InFly, 10);
+    FLUENT_SETTING_DEFAULT(TRateLimiterSettings, RateLimiterSettings, {});
+
+}; // TRestoreSettings
+
+class TRestoreResult: public TStatus {
+public:
+    TRestoreResult(TStatus&& status);
+
+}; // TRestoreResult
+
+/// client
+class TClient {
+private:
+    class TImpl;
+
+public:
+    explicit TClient(const TDriver& driver);
+
+    TDumpResult Dump(const TString& dbPath, const TString& fsPath, const TDumpSettings& settings = {});
+    TRestoreResult Restore(const TString& fsPath, const TString& dbPath, const TRestoreSettings& settings = {});
+
+private:
+    std::shared_ptr<TImpl> Impl_;
+
+}; // TClient
+
+} // NDump
+} // NYdb
diff --git a/ydb/public/lib/ydb_cli/dump/dump_impl.cpp b/ydb/public/lib/ydb_cli/dump/dump_impl.cpp
index 8b09e5f66d..a02f7facae 100644
--- a/ydb/public/lib/ydb_cli/dump/dump_impl.cpp
+++ b/ydb/public/lib/ydb_cli/dump/dump_impl.cpp
@@ -1,25 +1,25 @@
-#include "dump_impl.h" 
- 
+#include "dump_impl.h"
+
 #include <ydb/public/lib/ydb_cli/dump/util/util.h>
 
-namespace NYdb { 
-namespace NDump { 
- 
-TDumpClient::TDumpClient(NScheme::TSchemeClient& schemeClient, NTable::TTableClient& tableClient) 
-    : SchemeClient(schemeClient) 
-    , TableClient(tableClient) 
-{ 
-    Y_UNUSED(SchemeClient); 
-    Y_UNUSED(TableClient); 
-} 
- 
-TDumpResult TDumpClient::Dump(const TString& dbPath, const TString& fsPath, const TDumpSettings& settings) { 
-    Y_UNUSED(dbPath); 
-    Y_UNUSED(TableClient); 
-    Y_UNUSED(fsPath); 
-    Y_UNUSED(settings); 
-    return Result<TDumpResult>(EStatus::CLIENT_CALL_UNIMPLEMENTED); 
-} 
- 
-} // NDump 
-} // NYdb 
+namespace NYdb {
+namespace NDump {
+
+TDumpClient::TDumpClient(NScheme::TSchemeClient& schemeClient, NTable::TTableClient& tableClient)
+    : SchemeClient(schemeClient)
+    , TableClient(tableClient)
+{
+    Y_UNUSED(SchemeClient);
+    Y_UNUSED(TableClient);
+}
+
+TDumpResult TDumpClient::Dump(const TString& dbPath, const TString& fsPath, const TDumpSettings& settings) {
+    Y_UNUSED(dbPath);
+    Y_UNUSED(TableClient);
+    Y_UNUSED(fsPath);
+    Y_UNUSED(settings);
+    return Result<TDumpResult>(EStatus::CLIENT_CALL_UNIMPLEMENTED);
+}
+
+} // NDump
+} // NYdb
diff --git a/ydb/public/lib/ydb_cli/dump/dump_impl.h b/ydb/public/lib/ydb_cli/dump/dump_impl.h
index 7dce3a0123..ac01afbe61 100644
--- a/ydb/public/lib/ydb_cli/dump/dump_impl.h
+++ b/ydb/public/lib/ydb_cli/dump/dump_impl.h
@@ -1,24 +1,24 @@
-#pragma once 
- 
-#include "dump.h" 
- 
+#pragma once
+
+#include "dump.h"
+
 #include <ydb/public/sdk/cpp/client/ydb_scheme/scheme.h>
 #include <ydb/public/sdk/cpp/client/ydb_table/table.h>
- 
-namespace NYdb { 
-namespace NDump { 
- 
-class TDumpClient { 
-public: 
-    explicit TDumpClient(NScheme::TSchemeClient& schemeClient, NTable::TTableClient& tableClient); 
- 
-    TDumpResult Dump(const TString& dbPath, const TString& fsPath, const TDumpSettings& settings = {}); 
- 
-private: 
-    NScheme::TSchemeClient& SchemeClient; 
-    NTable::TTableClient& TableClient; 
- 
-}; // TDumpClient 
- 
-} // NDump 
-} // NYdb 
+
+namespace NYdb {
+namespace NDump {
+
+class TDumpClient {
+public:
+    explicit TDumpClient(NScheme::TSchemeClient& schemeClient, NTable::TTableClient& tableClient);
+
+    TDumpResult Dump(const TString& dbPath, const TString& fsPath, const TDumpSettings& settings = {});
+
+private:
+    NScheme::TSchemeClient& SchemeClient;
+    NTable::TTableClient& TableClient;
+
+}; // TDumpClient
+
+} // NDump
+} // NYdb
diff --git a/ydb/public/lib/ydb_cli/dump/restore_compat.cpp b/ydb/public/lib/ydb_cli/dump/restore_compat.cpp
index 37135a4f6a..39984fd421 100644
--- a/ydb/public/lib/ydb_cli/dump/restore_compat.cpp
+++ b/ydb/public/lib/ydb_cli/dump/restore_compat.cpp
@@ -1,183 +1,183 @@
-#include "restore_compat.h" 
- 
+#include "restore_compat.h"
+
 #include <ydb/library/backup/query_builder.h>
 #include <ydb/library/backup/query_uploader.h>
- 
-namespace NYdb { 
-namespace NDump { 
- 
-using namespace NBackup; 
-using namespace NTable; 
- 
-namespace { 
- 
-class TDataWriter; 
- 
-class TDataAccumulator: public NPrivate::IDataAccumulator, protected TQueryBuilder { 
-    friend class TDataWriter; 
- 
-    ui64 RecordSize(const TString& line) const { 
-        return line.size(); 
-    } 
- 
-    ui64 RecordRequestUnitsX2(const TString& line) const { 
-        const ui64 kbytes = (RecordSize(line) + 1_KB - 1) / 1_KB; 
-        return UseBulkUpsert ? kbytes : 4 * kbytes; 
-    } 
- 
-    static ui64 CalcRequestUnits(ui64 requestUnitsX2) { 
-        return (requestUnitsX2 + 1) / 2; 
-    } 
- 
-public: 
-    explicit TDataAccumulator( 
-            const TString& path, 
-            const TTableDescription& desc, 
-            const TRestoreSettings& settings) 
-        : TQueryBuilder(path, desc.GetColumns()) 
-        , UseBulkUpsert(settings.Mode_ == TRestoreSettings::EMode::BulkUpsert) 
-        , RowsPerRequest(settings.RowsPerRequest_) 
-        , BytesPerRequest(settings.BytesPerRequest_) 
-        , RequestUnitsPerRequest(settings.RequestUnitsPerRequest_) 
-        , Rows(0) 
-        , Bytes(0) 
-        , RequestUnitsX2(0) 
-    { 
-        Begin(); 
-    } 
- 
-    bool Fits(const TString& line) const override { 
-        if (RowsPerRequest > 0 && (Rows + 1) > RowsPerRequest) { 
-            return Rows == 0; 
-        } 
- 
-        if (BytesPerRequest > 0 && (Bytes + RecordSize(line)) > BytesPerRequest) { 
-            return Bytes == 0; 
-        } 
- 
-        if (RequestUnitsPerRequest > 0 && CalcRequestUnits(RequestUnitsX2 + RecordRequestUnitsX2(line)) > RequestUnitsPerRequest) { 
-            return RequestUnitsX2 == 0; 
-        } 
- 
-        return true; 
-    } 
- 
-    void Feed(TString&& line) override { 
-        AddLine(line); 
- 
-        ++Rows; 
-        Bytes += RecordSize(line); 
-        RequestUnitsX2 += RecordRequestUnitsX2(line); 
-    } 
- 
-    bool Ready(bool force) const override { 
-        if (RowsPerRequest > 0 && Rows >= RowsPerRequest) { 
-            return true; 
-        } 
- 
-        if (BytesPerRequest > 0 && Bytes >= BytesPerRequest) { 
-            return true; 
-        } 
- 
-        if (RequestUnitsPerRequest > 0 && CalcRequestUnits(RequestUnitsX2) >= RequestUnitsPerRequest) { 
-            return true; 
-        } 
- 
-        if (force && (Rows || Bytes || RequestUnitsX2)) { 
-            return true; 
-        } 
- 
-        return false; 
-    } 
- 
-    TString GetData(bool) override { 
-        Rows = 0; 
-        Bytes = 0; 
-        RequestUnitsX2 = 0; 
- 
-        return {}; // Writer gets data directly from accumulator 
-    } 
- 
-private: 
-    const bool UseBulkUpsert; 
-    const ui64 RowsPerRequest; // 0 for inf 
-    const ui64 BytesPerRequest; // 0 for inf 
-    const ui64 RequestUnitsPerRequest; // 0 for inf 
- 
-    ui64 Rows; 
-    ui64 Bytes; 
-    ui64 RequestUnitsX2; 
- 
-}; // TDataAccumulator 
- 
-class TDataWriter: public NPrivate::IDataWriter { 
-public: 
-    explicit TDataWriter( 
-            const TString& path, 
-            TTableClient& tableClient, 
-            NPrivate::IDataAccumulator* accumulator, 
-            const TRestoreSettings& settings) 
-        : Path(path) 
-        , TableClient(tableClient) 
-        , Accumulator(dynamic_cast<TDataAccumulator*>(accumulator)) 
-        , UseBulkUpsert(settings.Mode_ == TRestoreSettings::EMode::BulkUpsert) 
-    { 
-        Y_ENSURE(Accumulator); 
- 
-        TUploader::TOptions opts; 
-        opts.InFly = settings.InFly_; 
-        opts.Rate = settings.RateLimiterSettings_.Rate_; 
-        opts.Interval = settings.RateLimiterSettings_.Interval_; 
-        opts.ReactionTime = settings.RateLimiterSettings_.ReactionTime_; 
- 
-        Uploader = MakeHolder<TUploader>(opts, TableClient, Accumulator->GetQueryString()); 
-    } 
- 
-    bool Push(TString&&) override { 
-        bool ok; 
- 
-        if (UseBulkUpsert) { 
-            ok = Uploader->Push(Path, Accumulator->EndAndGetResultingValue()); 
-        } else { 
-            ok = Uploader->Push(Accumulator->EndAndGetResultingParams()); 
-        } 
- 
-        if (ok) { 
-            Accumulator->Begin(); 
-        } 
- 
-        return ok; 
-    } 
- 
-    void Wait() override { 
-        Uploader->WaitAllJobs(); 
-    } 
- 
-private: 
-    const TString Path; 
-    TTableClient& TableClient; 
-    TDataAccumulator* Accumulator; 
-    const bool UseBulkUpsert; 
-    THolder<TUploader> Uploader; 
- 
-}; // TDataWriter 
- 
-} // anonymous 
- 
-NPrivate::IDataAccumulator* CreateCompatAccumulator( 
-        const TString& path, 
-        const TTableDescription& desc, 
-        const TRestoreSettings& settings) { 
-    return new TDataAccumulator(path, desc, settings); 
-} 
- 
-NPrivate::IDataWriter* CreateCompatWriter( 
-        const TString& path, 
-        TTableClient& tableClient, 
-        NPrivate::IDataAccumulator* accumulator, 
-        const TRestoreSettings& settings) { 
-    return new TDataWriter(path, tableClient, accumulator, settings); 
-} 
- 
-} // NDump 
-} // NYdb 
+
+namespace NYdb {
+namespace NDump {
+
+using namespace NBackup;
+using namespace NTable;
+
+namespace {
+
+class TDataWriter;
+
+class TDataAccumulator: public NPrivate::IDataAccumulator, protected TQueryBuilder {
+    friend class TDataWriter;
+
+    ui64 RecordSize(const TString& line) const {
+        return line.size();
+    }
+
+    ui64 RecordRequestUnitsX2(const TString& line) const {
+        const ui64 kbytes = (RecordSize(line) + 1_KB - 1) / 1_KB;
+        return UseBulkUpsert ? kbytes : 4 * kbytes;
+    }
+
+    static ui64 CalcRequestUnits(ui64 requestUnitsX2) {
+        return (requestUnitsX2 + 1) / 2;
+    }
+
+public:
+    explicit TDataAccumulator(
+            const TString& path,
+            const TTableDescription& desc,
+            const TRestoreSettings& settings)
+        : TQueryBuilder(path, desc.GetColumns())
+        , UseBulkUpsert(settings.Mode_ == TRestoreSettings::EMode::BulkUpsert)
+        , RowsPerRequest(settings.RowsPerRequest_)
+        , BytesPerRequest(settings.BytesPerRequest_)
+        , RequestUnitsPerRequest(settings.RequestUnitsPerRequest_)
+        , Rows(0)
+        , Bytes(0)
+        , RequestUnitsX2(0)
+    {
+        Begin();
+    }
+
+    bool Fits(const TString& line) const override {
+        if (RowsPerRequest > 0 && (Rows + 1) > RowsPerRequest) {
+            return Rows == 0;
+        }
+
+        if (BytesPerRequest > 0 && (Bytes + RecordSize(line)) > BytesPerRequest) {
+            return Bytes == 0;
+        }
+
+        if (RequestUnitsPerRequest > 0 && CalcRequestUnits(RequestUnitsX2 + RecordRequestUnitsX2(line)) > RequestUnitsPerRequest) {
+            return RequestUnitsX2 == 0;
+        }
+
+        return true;
+    }
+
+    void Feed(TString&& line) override {
+        AddLine(line);
+
+        ++Rows;
+        Bytes += RecordSize(line);
+        RequestUnitsX2 += RecordRequestUnitsX2(line);
+    }
+
+    bool Ready(bool force) const override {
+        if (RowsPerRequest > 0 && Rows >= RowsPerRequest) {
+            return true;
+        }
+
+        if (BytesPerRequest > 0 && Bytes >= BytesPerRequest) {
+            return true;
+        }
+
+        if (RequestUnitsPerRequest > 0 && CalcRequestUnits(RequestUnitsX2) >= RequestUnitsPerRequest) {
+            return true;
+        }
+
+        if (force && (Rows || Bytes || RequestUnitsX2)) {
+            return true;
+        }
+
+        return false;
+    }
+
+    TString GetData(bool) override {
+        Rows = 0;
+        Bytes = 0;
+        RequestUnitsX2 = 0;
+
+        return {}; // Writer gets data directly from accumulator
+    }
+
+private:
+    const bool UseBulkUpsert;
+    const ui64 RowsPerRequest; // 0 for inf
+    const ui64 BytesPerRequest; // 0 for inf
+    const ui64 RequestUnitsPerRequest; // 0 for inf
+
+    ui64 Rows;
+    ui64 Bytes;
+    ui64 RequestUnitsX2;
+
+}; // TDataAccumulator
+
+class TDataWriter: public NPrivate::IDataWriter {
+public:
+    explicit TDataWriter(
+            const TString& path,
+            TTableClient& tableClient,
+            NPrivate::IDataAccumulator* accumulator,
+            const TRestoreSettings& settings)
+        : Path(path)
+        , TableClient(tableClient)
+        , Accumulator(dynamic_cast<TDataAccumulator*>(accumulator))
+        , UseBulkUpsert(settings.Mode_ == TRestoreSettings::EMode::BulkUpsert)
+    {
+        Y_ENSURE(Accumulator);
+
+        TUploader::TOptions opts;
+        opts.InFly = settings.InFly_;
+        opts.Rate = settings.RateLimiterSettings_.Rate_;
+        opts.Interval = settings.RateLimiterSettings_.Interval_;
+        opts.ReactionTime = settings.RateLimiterSettings_.ReactionTime_;
+
+        Uploader = MakeHolder<TUploader>(opts, TableClient, Accumulator->GetQueryString());
+    }
+
+    bool Push(TString&&) override {
+        bool ok;
+
+        if (UseBulkUpsert) {
+            ok = Uploader->Push(Path, Accumulator->EndAndGetResultingValue());
+        } else {
+            ok = Uploader->Push(Accumulator->EndAndGetResultingParams());
+        }
+
+        if (ok) {
+            Accumulator->Begin();
+        }
+
+        return ok;
+    }
+
+    void Wait() override {
+        Uploader->WaitAllJobs();
+    }
+
+private:
+    const TString Path;
+    TTableClient& TableClient;
+    TDataAccumulator* Accumulator;
+    const bool UseBulkUpsert;
+    THolder<TUploader> Uploader;
+
+}; // TDataWriter
+
+} // anonymous
+
+NPrivate::IDataAccumulator* CreateCompatAccumulator(
+        const TString& path,
+        const TTableDescription& desc,
+        const TRestoreSettings& settings) {
+    return new TDataAccumulator(path, desc, settings);
+}
+
+NPrivate::IDataWriter* CreateCompatWriter(
+        const TString& path,
+        TTableClient& tableClient,
+        NPrivate::IDataAccumulator* accumulator,
+        const TRestoreSettings& settings) {
+    return new TDataWriter(path, tableClient, accumulator, settings);
+}
+
+} // NDump
+} // NYdb
diff --git a/ydb/public/lib/ydb_cli/dump/restore_compat.h b/ydb/public/lib/ydb_cli/dump/restore_compat.h
index db94ab4c72..c8a20d468d 100644
--- a/ydb/public/lib/ydb_cli/dump/restore_compat.h
+++ b/ydb/public/lib/ydb_cli/dump/restore_compat.h
@@ -1,20 +1,20 @@
-#pragma once 
- 
-#include "restore_impl.h" 
- 
-namespace NYdb { 
-namespace NDump { 
- 
-NPrivate::IDataAccumulator* CreateCompatAccumulator( 
-    const TString& path, 
-    const NTable::TTableDescription& desc, 
-    const TRestoreSettings& settings); 
- 
-NPrivate::IDataWriter* CreateCompatWriter( 
-    const TString& path, 
-    NTable::TTableClient& tableClient, 
-    NPrivate::IDataAccumulator* accumulator, 
-    const TRestoreSettings& settings); 
- 
-} // NDump 
-} // NYdb 
+#pragma once
+
+#include "restore_impl.h"
+
+namespace NYdb {
+namespace NDump {
+
+NPrivate::IDataAccumulator* CreateCompatAccumulator(
+    const TString& path,
+    const NTable::TTableDescription& desc,
+    const TRestoreSettings& settings);
+
+NPrivate::IDataWriter* CreateCompatWriter(
+    const TString& path,
+    NTable::TTableClient& tableClient,
+    NPrivate::IDataAccumulator* accumulator,
+    const TRestoreSettings& settings);
+
+} // NDump
+} // NYdb
diff --git a/ydb/public/lib/ydb_cli/dump/restore_impl.cpp b/ydb/public/lib/ydb_cli/dump/restore_impl.cpp
index 2f1b4e8e37..74f4ffd18c 100644
--- a/ydb/public/lib/ydb_cli/dump/restore_impl.cpp
+++ b/ydb/public/lib/ydb_cli/dump/restore_impl.cpp
@@ -1,434 +1,434 @@
-#include "restore_impl.h" 
-#include "restore_import_data.h" 
-#include "restore_compat.h" 
- 
+#include "restore_impl.h"
+#include "restore_import_data.h"
+#include "restore_compat.h"
+
 #include <ydb/public/api/protos/ydb_table.pb.h>
 #include <ydb/public/sdk/cpp/client/ydb_proto/accessor.h>
 #include <ydb/public/lib/ydb_cli/common/recursive_list.h>
 #include <ydb/public/lib/ydb_cli/dump/util/util.h>
- 
-#include <util/generic/hash.h> 
+
+#include <util/generic/hash.h>
 #include <util/generic/hash_set.h>
-#include <util/generic/maybe.h> 
-#include <util/generic/vector.h> 
-#include <util/stream/file.h> 
-#include <util/string/builder.h> 
-#include <util/string/join.h> 
- 
-namespace NYdb { 
-namespace NDump { 
- 
-using namespace NImport; 
-using namespace NOperation; 
+#include <util/generic/maybe.h>
+#include <util/generic/vector.h>
+#include <util/stream/file.h>
+#include <util/string/builder.h>
+#include <util/string/join.h>
+
+namespace NYdb {
+namespace NDump {
+
+using namespace NImport;
+using namespace NOperation;
 using namespace NScheme;
-using namespace NTable; 
- 
-extern const char DOC_API_TABLE_VERSION_ATTR[] = "__document_api_version"; 
-extern const char DOC_API_REQUEST_TYPE[] = "_document_api_request"; 
- 
-namespace { 
- 
-bool IsFileExists(const TFsPath& path) { 
-    return path.Exists() && path.IsFile(); 
-} 
- 
-Ydb::Table::CreateTableRequest ReadTableScheme(const TString& fsPath) { 
-    Ydb::Table::CreateTableRequest proto; 
-    Y_ENSURE(google::protobuf::TextFormat::ParseFromString(TFileInput(fsPath).ReadAll(), &proto)); 
-    return proto; 
-} 
- 
-TTableDescription TableDescriptionFromProto(const Ydb::Table::CreateTableRequest& proto) { 
-    return TProtoAccessor::FromProto(proto); 
-} 
- 
-bool HasRunningIndexBuilds(TOperationClient& client, const TString& dbPath) { 
-    const ui64 pageSize = 100; 
-    TString pageToken; 
- 
-    do { 
-        const ui32 maxRetries = 8; 
-        TDuration retrySleep = TDuration::MilliSeconds(100); 
- 
-        for (ui32 retryNumber = 0; retryNumber <= maxRetries; ++retryNumber) { 
-            auto operations = client.List<TBuildIndexOperation>(pageSize, pageToken).GetValueSync(); 
- 
-            if (!operations.IsSuccess()) { 
-                if (retryNumber == maxRetries) { 
-                    Y_ENSURE(false, "Cannot list operations"); 
-                } 
- 
-                switch (operations.GetStatus()) { 
-                case EStatus::ABORTED: 
-                    break; 
-                case EStatus::OVERLOADED: 
-                case EStatus::CLIENT_RESOURCE_EXHAUSTED: 
-                case EStatus::UNAVAILABLE: 
-                case EStatus::TRANSPORT_UNAVAILABLE: 
-                    ExponentialBackoff(retrySleep); 
-                    break; 
-                default: 
-                    Y_ENSURE(false, "Unexpected status while trying to list operations: " << operations.GetStatus()); 
-                } 
- 
-                continue; 
-            } 
- 
-            for (const auto& operation : operations.GetList()) { 
-                if (operation.Metadata().Path != dbPath) { 
-                    continue; 
-                } 
- 
-                switch (operation.Metadata().State) { 
-                case EBuildIndexState::Preparing: 
-                case EBuildIndexState::TransferData: 
-                case EBuildIndexState::Applying: 
-                case EBuildIndexState::Cancellation: 
-                    return true; 
-                default: 
-                    break; 
-                } 
-            } 
- 
-            pageToken = operations.NextPageToken(); 
-        } 
-    } while (pageToken != "0"); 
- 
-    return false; 
-} 
- 
-} // anonymous 
- 
-TRestoreClient::TRestoreClient( 
-        TImportClient& importClient, 
-        TOperationClient& operationClient, 
+using namespace NTable;
+
+extern const char DOC_API_TABLE_VERSION_ATTR[] = "__document_api_version";
+extern const char DOC_API_REQUEST_TYPE[] = "_document_api_request";
+
+namespace {
+
+bool IsFileExists(const TFsPath& path) {
+    return path.Exists() && path.IsFile();
+}
+
+Ydb::Table::CreateTableRequest ReadTableScheme(const TString& fsPath) {
+    Ydb::Table::CreateTableRequest proto;
+    Y_ENSURE(google::protobuf::TextFormat::ParseFromString(TFileInput(fsPath).ReadAll(), &proto));
+    return proto;
+}
+
+TTableDescription TableDescriptionFromProto(const Ydb::Table::CreateTableRequest& proto) {
+    return TProtoAccessor::FromProto(proto);
+}
+
+bool HasRunningIndexBuilds(TOperationClient& client, const TString& dbPath) {
+    const ui64 pageSize = 100;
+    TString pageToken;
+
+    do {
+        const ui32 maxRetries = 8;
+        TDuration retrySleep = TDuration::MilliSeconds(100);
+
+        for (ui32 retryNumber = 0; retryNumber <= maxRetries; ++retryNumber) {
+            auto operations = client.List<TBuildIndexOperation>(pageSize, pageToken).GetValueSync();
+
+            if (!operations.IsSuccess()) {
+                if (retryNumber == maxRetries) {
+                    Y_ENSURE(false, "Cannot list operations");
+                }
+
+                switch (operations.GetStatus()) {
+                case EStatus::ABORTED:
+                    break;
+                case EStatus::OVERLOADED:
+                case EStatus::CLIENT_RESOURCE_EXHAUSTED:
+                case EStatus::UNAVAILABLE:
+                case EStatus::TRANSPORT_UNAVAILABLE:
+                    ExponentialBackoff(retrySleep);
+                    break;
+                default:
+                    Y_ENSURE(false, "Unexpected status while trying to list operations: " << operations.GetStatus());
+                }
+
+                continue;
+            }
+
+            for (const auto& operation : operations.GetList()) {
+                if (operation.Metadata().Path != dbPath) {
+                    continue;
+                }
+
+                switch (operation.Metadata().State) {
+                case EBuildIndexState::Preparing:
+                case EBuildIndexState::TransferData:
+                case EBuildIndexState::Applying:
+                case EBuildIndexState::Cancellation:
+                    return true;
+                default:
+                    break;
+                }
+            }
+
+            pageToken = operations.NextPageToken();
+        }
+    } while (pageToken != "0");
+
+    return false;
+}
+
+} // anonymous
+
+TRestoreClient::TRestoreClient(
+        TImportClient& importClient,
+        TOperationClient& operationClient,
         TSchemeClient& schemeClient,
-        TTableClient& tableClient) 
-    : ImportClient(importClient) 
-    , OperationClient(operationClient) 
+        TTableClient& tableClient)
+    : ImportClient(importClient)
+    , OperationClient(operationClient)
     , SchemeClient(schemeClient)
-    , TableClient(tableClient) 
-{ 
-} 
- 
-TRestoreResult TRestoreClient::Restore(const TString& fsPath, const TString& dbPath, const TRestoreSettings& settings) { 
-    // find existing items 
+    , TableClient(tableClient)
+{
+}
+
+TRestoreResult TRestoreClient::Restore(const TString& fsPath, const TString& dbPath, const TRestoreSettings& settings) {
+    // find existing items
     TFsPath dbBasePath = dbPath;
 
     while (true) {
-        auto result = DescribePath(SchemeClient, dbBasePath).GetStatus(); 
+        auto result = DescribePath(SchemeClient, dbBasePath).GetStatus();
 
         if (result == EStatus::SUCCESS) {
             break;
         }
 
         if (result != EStatus::SCHEME_ERROR) {
-            return Result<TRestoreResult>(EStatus::SCHEME_ERROR, "Can not find existing path"); 
+            return Result<TRestoreResult>(EStatus::SCHEME_ERROR, "Can not find existing path");
         }
 
         dbBasePath = dbBasePath.Parent();
     }
- 
-    auto oldDirectoryList = SchemeClient.ListDirectory(dbBasePath).GetValueSync(); 
-    if (!oldDirectoryList.IsSuccess()) { 
-        return Result<TRestoreResult>(EStatus::SCHEME_ERROR, "Can not list existing directory"); 
+
+    auto oldDirectoryList = SchemeClient.ListDirectory(dbBasePath).GetValueSync();
+    if (!oldDirectoryList.IsSuccess()) {
+        return Result<TRestoreResult>(EStatus::SCHEME_ERROR, "Can not list existing directory");
     }
 
     THashSet<TString> oldEntries;
-    for (const auto& entry : oldDirectoryList.GetChildren()) { 
+    for (const auto& entry : oldDirectoryList.GetChildren()) {
         oldEntries.insert(entry.Name);
     }
 
-    // restore 
+    // restore
     auto restoreResult = RestoreFolder(fsPath, dbPath, settings);
     if (restoreResult.IsSuccess() || settings.SavePartialResult_) {
         return restoreResult;
     }
 
-    // cleanup 
+    // cleanup
     auto newDirectoryList = SchemeClient.ListDirectory(dbBasePath).GetValueSync();
     if (!newDirectoryList.IsSuccess()) {
         return restoreResult;
     }
 
     for (const auto& entry : newDirectoryList.GetChildren()) {
-        if (oldEntries.contains(entry.Name)) { 
-            continue; 
-        } 
- 
-        auto fullPath = dbBasePath.Child(entry.Name); 
-
-        switch (entry.Type) { 
-            case ESchemeEntryType::Directory: { 
+        if (oldEntries.contains(entry.Name)) {
+            continue;
+        }
+
+        auto fullPath = dbBasePath.Child(entry.Name);
+
+        switch (entry.Type) {
+            case ESchemeEntryType::Directory: {
                 auto result = RemoveDirectoryRecursive(TableClient, SchemeClient, fullPath, {}, true);
-                if (!result.IsSuccess()) { 
-                    return restoreResult; 
+                if (!result.IsSuccess()) {
+                    return restoreResult;
                 }
-                break; 
-            } 
-            case ESchemeEntryType::Table: { 
+                break;
+            }
+            case ESchemeEntryType::Table: {
                 auto result = TableClient.RetryOperationSync([path = fullPath](TSession session) {
-                    return session.DropTable(path).GetValueSync(); 
-                }); 
-                if (!result.IsSuccess()) { 
-                    return restoreResult; 
+                    return session.DropTable(path).GetValueSync();
+                });
+                if (!result.IsSuccess()) {
+                    return restoreResult;
                 }
-                break; 
+                break;
             }
-            default: 
-                return restoreResult; 
+            default:
+                return restoreResult;
         }
     }
 
     return restoreResult;
-} 
- 
-TRestoreResult TRestoreClient::RestoreFolder(const TFsPath& fsPath, const TString& dbPath, const TRestoreSettings& settings) { 
-    if (!fsPath) { 
-        return Result<TRestoreResult>(EStatus::BAD_REQUEST, "Folder is not specified"); 
-    } 
- 
-    if (!fsPath.Exists()) { 
-        return Result<TRestoreResult>(EStatus::BAD_REQUEST, 
-            TStringBuilder() << "Specified folder does not exist: " << fsPath.GetPath()); 
-    } 
- 
-    if (!fsPath.IsDirectory()) { 
-        return Result<TRestoreResult>(EStatus::BAD_REQUEST, 
-            TStringBuilder() << "Specified folder is not a directory: " << fsPath.GetPath()); 
-    } 
- 
-    if (IsFileExists(fsPath.Child(INCOMPLETE_FILE_NAME))) { 
-        return Result<TRestoreResult>(EStatus::BAD_REQUEST, 
-            TStringBuilder() << "There is incomplete file in folder: " << fsPath.GetPath()); 
-    } 
- 
-    if (IsFileExists(fsPath.Child(SCHEME_FILE_NAME))) { 
-        return RestoreTable(fsPath, Join('/', dbPath, fsPath.GetName()), settings); 
-    } 
- 
-    if (IsFileExists(fsPath.Child(EMPTY_FILE_NAME))) { 
-        return MakeDirectory(SchemeClient, Join('/', dbPath, fsPath.GetName())); 
-    } 
- 
-    TMaybe<TRestoreResult> result; 
- 
-    TVector<TFsPath> children; 
-    fsPath.List(children); 
-    for (const auto& child : children) { 
-        if (IsFileExists(child.Child(SCHEME_FILE_NAME))) { 
-            result = RestoreTable(child, Join('/', dbPath, child.GetName()), settings); 
-        } else if (IsFileExists(child.Child(EMPTY_FILE_NAME))) { 
-            result = MakeDirectory(SchemeClient, Join('/', dbPath, child.GetName())); 
-        } else { 
-            result = RestoreFolder(child, Join('/', dbPath, child.GetName()), settings); 
-        } 
- 
-        if (!result->IsSuccess()) { 
-            return *result; 
-        } 
-    } 
- 
-    if (!result) { 
-        return Result<TRestoreResult>(EStatus::SUCCESS); 
-    } 
- 
-    return *result; 
-} 
- 
-TRestoreResult TRestoreClient::RestoreTable(const TFsPath& fsPath, const TString& dbPath, const TRestoreSettings& settings) { 
-    if (fsPath.Child(INCOMPLETE_FILE_NAME).Exists()) { 
-        return Result<TRestoreResult>(EStatus::BAD_REQUEST, 
-            TStringBuilder() << "There is incomplete file in folder: " << fsPath.GetPath()); 
-    } 
- 
-    auto scheme = ReadTableScheme(fsPath.Child(SCHEME_FILE_NAME)); 
-    auto dumpedDesc = TableDescriptionFromProto(scheme); 
- 
-    if (settings.DryRun_) { 
-        return CheckSchema(dbPath, dumpedDesc); 
-    } 
- 
-    if (settings.RestoreData_) { 
-        auto woIndexes = scheme; 
-        woIndexes.clear_indexes(); 
- 
-        auto result = RestoreData(fsPath, dbPath, settings, TableDescriptionFromProto(woIndexes)); 
-        if (!result.IsSuccess()) { 
-            return result; 
-        } 
-    } 
- 
-    if (settings.RestoreIndexes_) { 
-        auto result = RestoreIndexes(dbPath, dumpedDesc); 
-        if (!result.IsSuccess()) { 
-            return result; 
-        } 
-    } 
- 
-    return Result<TRestoreResult>(); 
-} 
- 
-TRestoreResult TRestoreClient::CheckSchema(const TString& dbPath, const TTableDescription& desc) { 
-    TMaybe<TTableDescription> actualDesc; 
-    auto descResult = DescribeTable(TableClient, dbPath, actualDesc); 
-    if (!descResult.IsSuccess()) { 
-        return Result<TRestoreResult>(std::move(descResult)); 
-    } 
- 
-    auto unorderedColumns = [](const TVector<TColumn>& orderedColumns) { 
-        THashMap<TString, TColumn> result; 
-        for (const auto& column : orderedColumns) { 
-            result.emplace(column.Name, column); 
-        } 
-        return result; 
-    }; 
- 
-    auto unorderedIndexes = [](const TVector<TIndexDescription>& orderedIndexes) { 
-        THashMap<TString, TIndexDescription> result; 
-        for (const auto& index : orderedIndexes) { 
-            result.emplace(index.GetIndexName(), index); 
-        } 
-        return result; 
-    }; 
- 
-    if (unorderedColumns(desc.GetColumns()) != unorderedColumns(actualDesc->GetColumns())) { 
-        return Result<TRestoreResult>(EStatus::SCHEME_ERROR, TStringBuilder() << "Columns differ" 
-            << ": dumped# " << JoinSeq(", ", desc.GetColumns()) 
-            << ", actual# " << JoinSeq(", ", actualDesc->GetColumns())); 
-    } 
- 
-    if (desc.GetPrimaryKeyColumns() != actualDesc->GetPrimaryKeyColumns()) { 
-        return Result<TRestoreResult>(EStatus::SCHEME_ERROR, TStringBuilder() << "Primary key columns differ" 
-            << ": dumped# " << JoinSeq(", ", desc.GetPrimaryKeyColumns()) 
-            << ", actual# " << JoinSeq(", ", actualDesc->GetPrimaryKeyColumns())); 
-    } 
- 
-    if (unorderedIndexes(desc.GetIndexDescriptions()) != unorderedIndexes(actualDesc->GetIndexDescriptions())) { 
-        return Result<TRestoreResult>(EStatus::SCHEME_ERROR, TStringBuilder() << "Indexes differ" 
-            << ": dumped# " << JoinSeq(", ", desc.GetIndexDescriptions()) 
-            << ", actual# " << JoinSeq(", ", actualDesc->GetIndexDescriptions())); 
-    } 
- 
-    return Result<TRestoreResult>(); 
-} 
- 
-TRestoreResult TRestoreClient::RestoreData(const TFsPath& fsPath, const TString& dbPath, const TRestoreSettings& settings, const TTableDescription& desc) { 
-    if (desc.GetAttributes().contains(DOC_API_TABLE_VERSION_ATTR) && settings.SkipDocumentTables_) { 
-        return Result<TRestoreResult>(); 
-    } 
- 
-    auto createResult = TableClient.RetryOperationSync([&dbPath, &desc](TSession session) { 
-        return session.CreateTable(dbPath, TTableDescription(desc), 
-            TCreateTableSettings().RequestType(DOC_API_REQUEST_TYPE)).GetValueSync(); 
-    }); 
-    if (!createResult.IsSuccess()) { 
-        return Result<TRestoreResult>(std::move(createResult)); 
-    } 
- 
-    THolder<NPrivate::IDataAccumulator> accumulator; 
-    THolder<NPrivate::IDataWriter> writer; 
- 
-    switch (settings.Mode_) { 
-        case TRestoreSettings::EMode::Yql: 
-        case TRestoreSettings::EMode::BulkUpsert: { 
+}
+
+TRestoreResult TRestoreClient::RestoreFolder(const TFsPath& fsPath, const TString& dbPath, const TRestoreSettings& settings) {
+    if (!fsPath) {
+        return Result<TRestoreResult>(EStatus::BAD_REQUEST, "Folder is not specified");
+    }
+
+    if (!fsPath.Exists()) {
+        return Result<TRestoreResult>(EStatus::BAD_REQUEST,
+            TStringBuilder() << "Specified folder does not exist: " << fsPath.GetPath());
+    }
+
+    if (!fsPath.IsDirectory()) {
+        return Result<TRestoreResult>(EStatus::BAD_REQUEST,
+            TStringBuilder() << "Specified folder is not a directory: " << fsPath.GetPath());
+    }
+
+    if (IsFileExists(fsPath.Child(INCOMPLETE_FILE_NAME))) {
+        return Result<TRestoreResult>(EStatus::BAD_REQUEST,
+            TStringBuilder() << "There is incomplete file in folder: " << fsPath.GetPath());
+    }
+
+    if (IsFileExists(fsPath.Child(SCHEME_FILE_NAME))) {
+        return RestoreTable(fsPath, Join('/', dbPath, fsPath.GetName()), settings);
+    }
+
+    if (IsFileExists(fsPath.Child(EMPTY_FILE_NAME))) {
+        return MakeDirectory(SchemeClient, Join('/', dbPath, fsPath.GetName()));
+    }
+
+    TMaybe<TRestoreResult> result;
+
+    TVector<TFsPath> children;
+    fsPath.List(children);
+    for (const auto& child : children) {
+        if (IsFileExists(child.Child(SCHEME_FILE_NAME))) {
+            result = RestoreTable(child, Join('/', dbPath, child.GetName()), settings);
+        } else if (IsFileExists(child.Child(EMPTY_FILE_NAME))) {
+            result = MakeDirectory(SchemeClient, Join('/', dbPath, child.GetName()));
+        } else {
+            result = RestoreFolder(child, Join('/', dbPath, child.GetName()), settings);
+        }
+
+        if (!result->IsSuccess()) {
+            return *result;
+        }
+    }
+
+    if (!result) {
+        return Result<TRestoreResult>(EStatus::SUCCESS);
+    }
+
+    return *result;
+}
+
+TRestoreResult TRestoreClient::RestoreTable(const TFsPath& fsPath, const TString& dbPath, const TRestoreSettings& settings) {
+    if (fsPath.Child(INCOMPLETE_FILE_NAME).Exists()) {
+        return Result<TRestoreResult>(EStatus::BAD_REQUEST,
+            TStringBuilder() << "There is incomplete file in folder: " << fsPath.GetPath());
+    }
+
+    auto scheme = ReadTableScheme(fsPath.Child(SCHEME_FILE_NAME));
+    auto dumpedDesc = TableDescriptionFromProto(scheme);
+
+    if (settings.DryRun_) {
+        return CheckSchema(dbPath, dumpedDesc);
+    }
+
+    if (settings.RestoreData_) {
+        auto woIndexes = scheme;
+        woIndexes.clear_indexes();
+
+        auto result = RestoreData(fsPath, dbPath, settings, TableDescriptionFromProto(woIndexes));
+        if (!result.IsSuccess()) {
+            return result;
+        }
+    }
+
+    if (settings.RestoreIndexes_) {
+        auto result = RestoreIndexes(dbPath, dumpedDesc);
+        if (!result.IsSuccess()) {
+            return result;
+        }
+    }
+
+    return Result<TRestoreResult>();
+}
+
+TRestoreResult TRestoreClient::CheckSchema(const TString& dbPath, const TTableDescription& desc) {
+    TMaybe<TTableDescription> actualDesc;
+    auto descResult = DescribeTable(TableClient, dbPath, actualDesc);
+    if (!descResult.IsSuccess()) {
+        return Result<TRestoreResult>(std::move(descResult));
+    }
+
+    auto unorderedColumns = [](const TVector<TColumn>& orderedColumns) {
+        THashMap<TString, TColumn> result;
+        for (const auto& column : orderedColumns) {
+            result.emplace(column.Name, column);
+        }
+        return result;
+    };
+
+    auto unorderedIndexes = [](const TVector<TIndexDescription>& orderedIndexes) {
+        THashMap<TString, TIndexDescription> result;
+        for (const auto& index : orderedIndexes) {
+            result.emplace(index.GetIndexName(), index);
+        }
+        return result;
+    };
+
+    if (unorderedColumns(desc.GetColumns()) != unorderedColumns(actualDesc->GetColumns())) {
+        return Result<TRestoreResult>(EStatus::SCHEME_ERROR, TStringBuilder() << "Columns differ"
+            << ": dumped# " << JoinSeq(", ", desc.GetColumns())
+            << ", actual# " << JoinSeq(", ", actualDesc->GetColumns()));
+    }
+
+    if (desc.GetPrimaryKeyColumns() != actualDesc->GetPrimaryKeyColumns()) {
+        return Result<TRestoreResult>(EStatus::SCHEME_ERROR, TStringBuilder() << "Primary key columns differ"
+            << ": dumped# " << JoinSeq(", ", desc.GetPrimaryKeyColumns())
+            << ", actual# " << JoinSeq(", ", actualDesc->GetPrimaryKeyColumns()));
+    }
+
+    if (unorderedIndexes(desc.GetIndexDescriptions()) != unorderedIndexes(actualDesc->GetIndexDescriptions())) {
+        return Result<TRestoreResult>(EStatus::SCHEME_ERROR, TStringBuilder() << "Indexes differ"
+            << ": dumped# " << JoinSeq(", ", desc.GetIndexDescriptions())
+            << ", actual# " << JoinSeq(", ", actualDesc->GetIndexDescriptions()));
+    }
+
+    return Result<TRestoreResult>();
+}
+
+TRestoreResult TRestoreClient::RestoreData(const TFsPath& fsPath, const TString& dbPath, const TRestoreSettings& settings, const TTableDescription& desc) {
+    if (desc.GetAttributes().contains(DOC_API_TABLE_VERSION_ATTR) && settings.SkipDocumentTables_) {
+        return Result<TRestoreResult>();
+    }
+
+    auto createResult = TableClient.RetryOperationSync([&dbPath, &desc](TSession session) {
+        return session.CreateTable(dbPath, TTableDescription(desc),
+            TCreateTableSettings().RequestType(DOC_API_REQUEST_TYPE)).GetValueSync();
+    });
+    if (!createResult.IsSuccess()) {
+        return Result<TRestoreResult>(std::move(createResult));
+    }
+
+    THolder<NPrivate::IDataAccumulator> accumulator;
+    THolder<NPrivate::IDataWriter> writer;
+
+    switch (settings.Mode_) {
+        case TRestoreSettings::EMode::Yql:
+        case TRestoreSettings::EMode::BulkUpsert: {
             accumulator.Reset(CreateCompatAccumulator(dbPath, desc, settings));
             writer.Reset(CreateCompatWriter(dbPath, TableClient, accumulator.Get(), settings));
- 
-            break; 
-        } 
- 
-        case TRestoreSettings::EMode::ImportData: { 
-            TMaybe<TTableDescription> actualDesc; 
-            auto descResult = DescribeTable(TableClient, dbPath, actualDesc); 
-            if (!descResult.IsSuccess()) { 
-                return Result<TRestoreResult>(std::move(descResult)); 
-            } 
- 
+
+            break;
+        }
+
+        case TRestoreSettings::EMode::ImportData: {
+            TMaybe<TTableDescription> actualDesc;
+            auto descResult = DescribeTable(TableClient, dbPath, actualDesc);
+            if (!descResult.IsSuccess()) {
+                return Result<TRestoreResult>(std::move(descResult));
+            }
+
             accumulator.Reset(CreateImportDataAccumulator(desc, *actualDesc, settings));
             writer.Reset(CreateImportDataWriter(dbPath, desc, ImportClient, TableClient, accumulator.Get(), settings));
- 
-            break; 
-        } 
-    } 
- 
-    ui32 dataFileId = 0; 
-    TFsPath dataFile = fsPath.Child(DataFileName(dataFileId)); 
- 
-    while (dataFile.Exists()) { 
-        TFileInput input(dataFile, settings.FileBufferSize_); 
-        TString line; 
- 
-        while (input.ReadLine(line)) { 
-            while (!accumulator->Fits(line)) { 
-                if (!accumulator->Ready(true)) { 
-                    return Result<TRestoreResult>(EStatus::INTERNAL_ERROR, "Data is not ready"); 
-                } 
- 
-                if (!writer->Push(accumulator->GetData(true))) { 
-                    return Result<TRestoreResult>(EStatus::GENERIC_ERROR, "Cannot write data #1"); 
-                } 
-            } 
- 
-            accumulator->Feed(std::move(line)); 
-            if (accumulator->Ready()) { 
-                if (!writer->Push(accumulator->GetData())) { 
-                    return Result<TRestoreResult>(EStatus::GENERIC_ERROR, "Cannot write data #2"); 
-                } 
-            } 
-        } 
- 
-        dataFile = fsPath.Child(DataFileName(++dataFileId)); 
-    } 
- 
-    while (accumulator->Ready(true)) { 
-        if (!writer->Push(accumulator->GetData(true))) { 
-            return Result<TRestoreResult>(EStatus::GENERIC_ERROR, "Cannot write data #3"); 
-        } 
-    } 
- 
-    writer->Wait(); 
- 
-    return Result<TRestoreResult>(); 
-} 
- 
-TRestoreResult TRestoreClient::RestoreIndexes(const TString& dbPath, const TTableDescription& desc) { 
-    TMaybe<TTableDescription> actualDesc; 
- 
-    for (const auto& index : desc.GetIndexDescriptions()) { 
-        // check (and wait) for unuexpected index buils 
-        while (HasRunningIndexBuilds(OperationClient, dbPath)) { 
-            actualDesc.Clear(); 
-            Sleep(TDuration::Minutes(1)); 
-        } 
- 
-        if (!actualDesc) { 
-            auto descResult = DescribeTable(TableClient, dbPath, actualDesc); 
-            if (!descResult.IsSuccess()) { 
-                return Result<TRestoreResult>(std::move(descResult)); 
-            } 
-        } 
- 
-        if (FindPtr(actualDesc->GetIndexDescriptions(), index)) { 
-            continue; 
-        } 
- 
-        auto status = TableClient.RetryOperationSync([&dbPath, &index](TSession session) { 
-            auto settings = TAlterTableSettings().AppendAddIndexes(index); 
-            return session.AlterTableLong(dbPath, settings).GetValueSync().Status(); 
-        }); 
-        if (!status.IsSuccess() && status.GetStatus() != EStatus::STATUS_UNDEFINED) { 
-            return Result<TRestoreResult>(std::move(status)); 
-        } 
- 
-        // wait for expected index build 
-        while (HasRunningIndexBuilds(OperationClient, dbPath)) { 
-            Sleep(TDuration::Minutes(1)); 
-        } 
-    } 
- 
-    return Result<TRestoreResult>(); 
-} 
- 
-} // NDump 
-} // NYdb 
+
+            break;
+        }
+    }
+
+    ui32 dataFileId = 0;
+    TFsPath dataFile = fsPath.Child(DataFileName(dataFileId));
+
+    while (dataFile.Exists()) {
+        TFileInput input(dataFile, settings.FileBufferSize_);
+        TString line;
+
+        while (input.ReadLine(line)) {
+            while (!accumulator->Fits(line)) {
+                if (!accumulator->Ready(true)) {
+                    return Result<TRestoreResult>(EStatus::INTERNAL_ERROR, "Data is not ready");
+                }
+
+                if (!writer->Push(accumulator->GetData(true))) {
+                    return Result<TRestoreResult>(EStatus::GENERIC_ERROR, "Cannot write data #1");
+                }
+            }
+
+            accumulator->Feed(std::move(line));
+            if (accumulator->Ready()) {
+                if (!writer->Push(accumulator->GetData())) {
+                    return Result<TRestoreResult>(EStatus::GENERIC_ERROR, "Cannot write data #2");
+                }
+            }
+        }
+
+        dataFile = fsPath.Child(DataFileName(++dataFileId));
+    }
+
+    while (accumulator->Ready(true)) {
+        if (!writer->Push(accumulator->GetData(true))) {
+            return Result<TRestoreResult>(EStatus::GENERIC_ERROR, "Cannot write data #3");
+        }
+    }
+
+    writer->Wait();
+
+    return Result<TRestoreResult>();
+}
+
+TRestoreResult TRestoreClient::RestoreIndexes(const TString& dbPath, const TTableDescription& desc) {
+    TMaybe<TTableDescription> actualDesc;
+
+    for (const auto& index : desc.GetIndexDescriptions()) {
+        // check (and wait) for unuexpected index buils
+        while (HasRunningIndexBuilds(OperationClient, dbPath)) {
+            actualDesc.Clear();
+            Sleep(TDuration::Minutes(1));
+        }
+
+        if (!actualDesc) {
+            auto descResult = DescribeTable(TableClient, dbPath, actualDesc);
+            if (!descResult.IsSuccess()) {
+                return Result<TRestoreResult>(std::move(descResult));
+            }
+        }
+
+        if (FindPtr(actualDesc->GetIndexDescriptions(), index)) {
+            continue;
+        }
+
+        auto status = TableClient.RetryOperationSync([&dbPath, &index](TSession session) {
+            auto settings = TAlterTableSettings().AppendAddIndexes(index);
+            return session.AlterTableLong(dbPath, settings).GetValueSync().Status();
+        });
+        if (!status.IsSuccess() && status.GetStatus() != EStatus::STATUS_UNDEFINED) {
+            return Result<TRestoreResult>(std::move(status));
+        }
+
+        // wait for expected index build
+        while (HasRunningIndexBuilds(OperationClient, dbPath)) {
+            Sleep(TDuration::Minutes(1));
+        }
+    }
+
+    return Result<TRestoreResult>();
+}
+
+} // NDump
+} // NYdb
diff --git a/ydb/public/lib/ydb_cli/dump/restore_impl.h b/ydb/public/lib/ydb_cli/dump/restore_impl.h
index db59fc0ea1..a010937170 100644
--- a/ydb/public/lib/ydb_cli/dump/restore_impl.h
+++ b/ydb/public/lib/ydb_cli/dump/restore_impl.h
@@ -1,64 +1,64 @@
-#pragma once 
- 
-#include "dump.h" 
- 
+#pragma once
+
+#include "dump.h"
+
 #include <ydb/public/sdk/cpp/client/ydb_import/import.h>
 #include <ydb/public/sdk/cpp/client/ydb_operation/operation.h>
 #include <ydb/public/sdk/cpp/client/ydb_scheme/scheme.h>
 #include <ydb/public/sdk/cpp/client/ydb_table/table.h>
- 
-#include <util/folder/path.h> 
- 
-namespace NYdb { 
-namespace NDump { 
- 
-extern const char DOC_API_TABLE_VERSION_ATTR[23]; 
-extern const char DOC_API_REQUEST_TYPE[22]; 
- 
-namespace NPrivate { 
- 
-class IDataAccumulator { 
-public: 
-    virtual ~IDataAccumulator() = default; 
-    virtual bool Fits(const TString& line) const = 0; 
-    virtual void Feed(TString&& line) = 0; 
-    virtual bool Ready(bool force = false) const = 0; 
-    virtual TString GetData(bool force = false) = 0; 
-}; 
- 
-class IDataWriter { 
-public: 
-    virtual ~IDataWriter() = default; 
-    virtual bool Push(TString&& data) = 0; 
-    virtual void Wait() = 0; 
-}; 
- 
-} // NPrivate 
- 
-class TRestoreClient { 
-    TRestoreResult RestoreFolder(const TFsPath& fsPath, const TString& dbPath, const TRestoreSettings& settings); 
-    TRestoreResult RestoreTable(const TFsPath& fsPath, const TString& dbPath, const TRestoreSettings& settings); 
- 
-    TRestoreResult CheckSchema(const TString& dbPath, const NTable::TTableDescription& desc); 
-    TRestoreResult RestoreData(const TFsPath& fsPath, const TString& dbPath, const TRestoreSettings& settings, const NTable::TTableDescription& desc); 
-    TRestoreResult RestoreIndexes(const TString& dbPath, const NTable::TTableDescription& desc); 
- 
-public: 
-    explicit TRestoreClient( 
-        NImport::TImportClient& importClient, 
-        NOperation::TOperationClient& operationClient, 
+
+#include <util/folder/path.h>
+
+namespace NYdb {
+namespace NDump {
+
+extern const char DOC_API_TABLE_VERSION_ATTR[23];
+extern const char DOC_API_REQUEST_TYPE[22];
+
+namespace NPrivate {
+
+class IDataAccumulator {
+public:
+    virtual ~IDataAccumulator() = default;
+    virtual bool Fits(const TString& line) const = 0;
+    virtual void Feed(TString&& line) = 0;
+    virtual bool Ready(bool force = false) const = 0;
+    virtual TString GetData(bool force = false) = 0;
+};
+
+class IDataWriter {
+public:
+    virtual ~IDataWriter() = default;
+    virtual bool Push(TString&& data) = 0;
+    virtual void Wait() = 0;
+};
+
+} // NPrivate
+
+class TRestoreClient {
+    TRestoreResult RestoreFolder(const TFsPath& fsPath, const TString& dbPath, const TRestoreSettings& settings);
+    TRestoreResult RestoreTable(const TFsPath& fsPath, const TString& dbPath, const TRestoreSettings& settings);
+
+    TRestoreResult CheckSchema(const TString& dbPath, const NTable::TTableDescription& desc);
+    TRestoreResult RestoreData(const TFsPath& fsPath, const TString& dbPath, const TRestoreSettings& settings, const NTable::TTableDescription& desc);
+    TRestoreResult RestoreIndexes(const TString& dbPath, const NTable::TTableDescription& desc);
+
+public:
+    explicit TRestoreClient(
+        NImport::TImportClient& importClient,
+        NOperation::TOperationClient& operationClient,
         NScheme::TSchemeClient& SchemeClient,
-        NTable::TTableClient& tableClient); 
- 
-    TRestoreResult Restore(const TString& fsPath, const TString& dbPath, const TRestoreSettings& settings = {}); 
- 
-private: 
-    NImport::TImportClient& ImportClient; 
-    NOperation::TOperationClient& OperationClient; 
+        NTable::TTableClient& tableClient);
+
+    TRestoreResult Restore(const TString& fsPath, const TString& dbPath, const TRestoreSettings& settings = {});
+
+private:
+    NImport::TImportClient& ImportClient;
+    NOperation::TOperationClient& OperationClient;
     NScheme::TSchemeClient& SchemeClient;
-    NTable::TTableClient& TableClient; 
- 
-}; // TRestoreClient 
- 
-} // NDump 
-} // NYdb 
+    NTable::TTableClient& TableClient;
+
+}; // TRestoreClient
+
+} // NDump
+} // NYdb
diff --git a/ydb/public/lib/ydb_cli/dump/restore_import_data.cpp b/ydb/public/lib/ydb_cli/dump/restore_import_data.cpp
index 5138ab2895..817aa76eea 100644
--- a/ydb/public/lib/ydb_cli/dump/restore_import_data.cpp
+++ b/ydb/public/lib/ydb_cli/dump/restore_import_data.cpp
@@ -1,910 +1,910 @@
-#include "restore_import_data.h" 
- 
+#include "restore_import_data.h"
+
 #include <ydb/public/lib/ydb_cli/dump/util/util.h>
-#include <library/cpp/string_utils/quote/quote.h> 
+#include <library/cpp/string_utils/quote/quote.h>
 #include <library/cpp/bucket_quoter/bucket_quoter.h>
- 
-#include <util/datetime/base.h> 
-#include <util/generic/algorithm.h> 
-#include <util/generic/hash.h> 
-#include <util/generic/hash_set.h> 
-#include <util/generic/map.h> 
-#include <util/generic/maybe.h> 
-#include <util/generic/variant.h> 
-#include <util/generic/vector.h> 
-#include <util/stream/str.h> 
-#include <util/string/builder.h> 
-#include <util/string/cast.h> 
-#include <util/system/mutex.h> 
-#include <util/thread/pool.h> 
- 
-namespace NYdb { 
-namespace NDump { 
- 
-using namespace NImport; 
-using namespace NTable; 
- 
-namespace { 
- 
-class TValue { 
-    struct TSpecialType { 
-        bool operator<(const TSpecialType&) const { 
+
+#include <util/datetime/base.h>
+#include <util/generic/algorithm.h>
+#include <util/generic/hash.h>
+#include <util/generic/hash_set.h>
+#include <util/generic/map.h>
+#include <util/generic/maybe.h>
+#include <util/generic/variant.h>
+#include <util/generic/vector.h>
+#include <util/stream/str.h>
+#include <util/string/builder.h>
+#include <util/string/cast.h>
+#include <util/system/mutex.h>
+#include <util/thread/pool.h>
+
+namespace NYdb {
+namespace NDump {
+
+using namespace NImport;
+using namespace NTable;
+
+namespace {
+
+class TValue {
+    struct TSpecialType {
+        bool operator<(const TSpecialType&) const {
             return false; // to make std::variant's comparator happy
-        } 
-    }; 
- 
-    struct TInf: public TSpecialType {}; // we need just the positive one, it'll be used as a last boundary 
-    struct TNull: public TSpecialType {}; 
- 
-    enum class EType { 
-        Inf = 0, 
-        Null, 
-        String, 
-        Pod, 
-    }; 
- 
-    inline EType GetType() const { 
-        switch (Value.index()) { 
-        case 0: 
-            return EType::Inf; 
-        case 1: 
-            return EType::Null; 
-        case 2: 
-            return EType::String; 
-        default: 
-            return EType::Pod; 
-        } 
-    } 
- 
-public: 
-    template <typename T> 
-    explicit TValue(T value) 
-        : Value(value) 
-    { 
-    } 
- 
-    static TValue Inf() { 
-        return TValue(TInf()); 
-    } 
- 
-    static TValue Null() { 
-        return TValue(TNull()); 
-    } 
- 
-    bool operator<(const TValue& rhs) const { 
-        const EType lType = GetType(); 
-        const EType rType = rhs.GetType(); 
- 
-        if (lType == EType::Inf) { 
-            return false; 
-        } else if (rType == EType::Inf) { 
-            return true; 
-        } else if (lType == EType::Null) { 
-            return lType != rType; 
-        } else if (rType == EType::Null) { 
-            return false; 
-        } else { 
-            return Value < rhs.Value; 
-        } 
-    } 
- 
-    ui64 MemSize() const { 
-        switch (GetType()) { 
-        case EType::String: 
+        }
+    };
+
+    struct TInf: public TSpecialType {}; // we need just the positive one, it'll be used as a last boundary
+    struct TNull: public TSpecialType {};
+
+    enum class EType {
+        Inf = 0,
+        Null,
+        String,
+        Pod,
+    };
+
+    inline EType GetType() const {
+        switch (Value.index()) {
+        case 0:
+            return EType::Inf;
+        case 1:
+            return EType::Null;
+        case 2:
+            return EType::String;
+        default:
+            return EType::Pod;
+        }
+    }
+
+public:
+    template <typename T>
+    explicit TValue(T value)
+        : Value(value)
+    {
+    }
+
+    static TValue Inf() {
+        return TValue(TInf());
+    }
+
+    static TValue Null() {
+        return TValue(TNull());
+    }
+
+    bool operator<(const TValue& rhs) const {
+        const EType lType = GetType();
+        const EType rType = rhs.GetType();
+
+        if (lType == EType::Inf) {
+            return false;
+        } else if (rType == EType::Inf) {
+            return true;
+        } else if (lType == EType::Null) {
+            return lType != rType;
+        } else if (rType == EType::Null) {
+            return false;
+        } else {
+            return Value < rhs.Value;
+        }
+    }
+
+    ui64 MemSize() const {
+        switch (GetType()) {
+        case EType::String:
             return sizeof(Value) + std::get<TString>(Value).size();
-        default: 
-            return sizeof(Value); 
-        } 
-    } 
- 
-private: 
+        default:
+            return sizeof(Value);
+        }
+    }
+
+private:
     std::variant<
-        TInf, 
-        TNull, 
-        TString, 
-        bool, 
-        ui8, 
-        i32, 
-        ui32, 
-        i64, 
-        ui64 
-    > Value; 
- 
-}; // TValue 
- 
-template <typename TParser> 
-class TValueConverter { 
-    TValue Convert(EPrimitiveType type) const { 
-        switch (type) { 
-        case EPrimitiveType::Bool: 
-            return TValue(Parser.GetBool()); 
-        case EPrimitiveType::Uint8: 
-            return TValue(Parser.GetUint8()); 
-        case EPrimitiveType::Int32: 
-            return TValue(Parser.GetInt32()); 
-        case EPrimitiveType::Uint32: 
-            return TValue(Parser.GetUint32()); 
-        case EPrimitiveType::Int64: 
-            return TValue(Parser.GetInt64()); 
-        case EPrimitiveType::Uint64: 
-            return TValue(Parser.GetUint64()); 
-        case EPrimitiveType::DyNumber: 
-            return TValue(Parser.GetDyNumber()); 
-        case EPrimitiveType::Date: 
-            return TValue(Parser.GetDate().GetValue()); 
-        case EPrimitiveType::Datetime: 
-            return TValue(Parser.GetDatetime().GetValue()); 
-        case EPrimitiveType::Timestamp: 
-            return TValue(Parser.GetTimestamp().GetValue()); 
-        case EPrimitiveType::String: 
-            return TValue(Parser.GetString()); 
-        case EPrimitiveType::Utf8: 
-            return TValue(Parser.GetUtf8()); 
-        default: 
-            Y_ENSURE(false, "Unexpected primitive type: " << type); 
-        } 
-    } 
- 
-    void Convert(TVector<TValue>& value) { 
-        switch (Parser.GetKind()) { 
-        case TTypeParser::ETypeKind::Primitive: 
-            value.emplace_back(Convert(Parser.GetPrimitiveType())); 
-            break; 
- 
-        case TTypeParser::ETypeKind::Optional: 
-            Parser.OpenOptional(); 
-            if (Parser.IsNull()) { 
-                value.emplace_back(TValue::Null()); 
-            } else { 
-                Convert(value); 
-            } 
-            Parser.CloseOptional(); 
-            break; 
- 
-        case TTypeParser::ETypeKind::Tuple: 
-            Parser.OpenTuple(); 
-            while (Parser.TryNextElement()) { 
-                Convert(value); 
-            } 
-            Parser.CloseTuple(); 
-            break; 
- 
-        default: 
-            Y_ENSURE(false, "Unexpected type kind: " << Parser.GetKind()); 
-        } 
-    } 
- 
-public: 
-    explicit TValueConverter(TParser& parser) 
-        : Parser(parser) 
-    { 
-    } 
- 
-    TVector<TValue> ConvertAll() { 
-        TVector<TValue> value; 
-        Convert(value); 
-        return value; 
-    } 
- 
-    TValue ConvertSingle() { 
-        auto value = ConvertAll(); 
-        Y_ENSURE(value.size() == 1, "Unexpected value size: " << value.size()); 
-        return value[0]; 
-    } 
- 
-private: 
-    TParser& Parser; 
- 
-}; // TValueConverter 
- 
-class TYdbDumpValueParser { 
-    TString CheckedUnescape() const { 
-        Y_ENSURE(Value.size() >= 2 || Value.front() == '"' || Value.back() == '"'); 
-        return CGIUnescapeRet(TStringBuf(Value).Skip(1).Chop(1)); 
-    } 
- 
-public: 
-    explicit TYdbDumpValueParser(TStringBuf value, EPrimitiveType type) 
-        : Value(value) 
-        , Type(type) 
-        , OptionalOpened(false) 
-    { 
-    } 
- 
-    TTypeParser::ETypeKind GetKind() const { 
-        return OptionalOpened 
-            ? TTypeParser::ETypeKind::Primitive 
-            : TTypeParser::ETypeKind::Optional; 
-    } 
- 
-    EPrimitiveType GetPrimitiveType() const { 
-        return Type; 
-    } 
- 
-    bool GetBool() const { 
-        return FromString<bool>(Value); 
-    } 
- 
-    ui8 GetUint8() const { 
-        return FromString<ui8>(Value); 
-    } 
- 
-    i32 GetInt32() const { 
-        return FromString<i32>(Value); 
-    } 
- 
-    ui32 GetUint32() const { 
-        return FromString<ui32>(Value); 
-    } 
- 
-    i64 GetInt64() const { 
-        return FromString<i64>(Value); 
-    } 
- 
-    ui64 GetUint64() const { 
-        return FromString<ui64>(Value); 
-    } 
- 
-    TString GetDyNumber() const { 
-        return ToString(Value); 
-    } 
- 
-    TInstant GetDate() const { 
-        return TInstant::ParseIso8601(Value); 
-    } 
- 
-    TInstant GetDatetime() const { 
-        return TInstant::ParseIso8601(Value); 
-    } 
- 
-    TInstant GetTimestamp() const { 
-        return TInstant::ParseIso8601(Value); 
-    } 
- 
-    TString GetString() const { 
-        return CheckedUnescape(); 
-    } 
- 
-    TString GetUtf8() const { 
-        return CheckedUnescape(); 
-    } 
- 
-    bool IsNull() const { 
-        return Value == "null"; 
-    } 
- 
-    void OpenOptional() { 
-        OptionalOpened = true; 
-    } 
- 
-    void CloseOptional() { 
-        OptionalOpened = false; 
-    } 
- 
-    bool TryNextElement() { 
-        return false; 
-    } 
- 
-    void OpenTuple() {} 
-    void CloseTuple() {} 
- 
-private: 
-    const TStringBuf Value; 
-    const EPrimitiveType Type; 
- 
-    bool OptionalOpened; 
- 
-}; // TYdbDumpValueParser 
- 
-class TKey: public TVector<TValue> { 
-public: 
-    using TVector<TValue>::TVector; 
- 
-    TKey(TVector<TValue>&& values) 
-        : TVector<TValue>(std::move(values)) 
-    { 
-    } 
- 
-    bool operator<(const TKey& rhs) const { 
-        for (ui32 i = 0; i < Min(size(), rhs.size()); ++i) { 
-            if (at(i) < rhs.at(i)) { 
-                return true; 
-            } 
- 
-            if (rhs.at(i) < at(i)) { 
-                return false; 
-            } 
-        } 
- 
-        return size() < rhs.size(); 
-    } 
- 
-    ui64 MemSize() const { 
-        return Accumulate(begin(), end(), ui64(0), [](ui64 s, const auto& v) { 
-            return s + v.MemSize(); 
-        }); 
-    } 
- 
-}; // TKey 
- 
-using TSplitPoint = TKey; 
- 
-class TKeyBuilder { 
-    static auto MakeKeyColumnIds(const TVector<TString>& keyColumns) { 
-        THashMap<TString, ui32> keyColumnIds; 
- 
-        for (ui32 i = 0; i < keyColumns.size(); ++i) { 
-            Y_ENSURE(keyColumnIds.emplace(keyColumns.at(i), i).second); 
-        } 
- 
-        return keyColumnIds; 
-    } 
- 
-    static EPrimitiveType GetPrimitiveType(TTypeParser& parser) { 
-        switch (parser.GetKind()) { 
-        case TTypeParser::ETypeKind::Optional: 
-            parser.OpenOptional(); 
-            return GetPrimitiveType(parser); 
-        case TTypeParser::ETypeKind::Primitive: 
-            return parser.GetPrimitive(); 
-        default: 
-            Y_ENSURE(false, "Unexpected type kind: " << parser.GetKind()); 
-        } 
-    } 
- 
-    static EPrimitiveType GetPrimitiveType(const TType& type) { 
-        TTypeParser parser(type); 
-        return GetPrimitiveType(parser); 
-    } 
- 
-public: 
-    explicit TKeyBuilder(const TVector<TColumn>& columns, const TVector<TString>& keyColumns) 
-        : Columns(columns) 
-        , KeyColumnIds(MakeKeyColumnIds(keyColumns)) 
-    { 
-    } 
- 
-    TKey Build(TStringBuf line) const { 
-        TMap<ui32, TValue> values; 
- 
-        const TStringBuf origLine = line; 
-        for (const auto& column : Columns) { 
-            TStringBuf value = line.NextTok(','); 
-            Y_ENSURE(value, "Empty token on line: " << origLine); 
- 
-            auto it = KeyColumnIds.find(column.Name); 
-            if (it == KeyColumnIds.end()) { 
-                continue; 
-            } 
- 
-            TYdbDumpValueParser parser(value, GetPrimitiveType(column.Type)); 
-            values.emplace(it->second, TValueConverter<TYdbDumpValueParser>(parser).ConvertSingle()); 
-        } 
- 
-        TKey key; 
-        for (auto& [_, value] : values) { 
-            key.push_back(std::move(value)); 
-        } 
- 
-        return key; 
-    } 
- 
-private: 
-    const TVector<TColumn> Columns; 
-    const THashMap<TString, ui32> KeyColumnIds; 
- 
-}; // TKeyBuilder 
- 
-ui64 AdjustedRecordSize(ui64 recordSize) { 
-    return recordSize + 1 /* \n */; 
-} 
- 
-class TPartitionRows { 
-    void IncSize(ui64 keySize, ui64 recordSize) { 
-        MemSizeCounter += (keySize + recordSize); 
-        RecordsSizeCounter += AdjustedRecordSize(recordSize); 
-    } 
- 
-    void DecSize(ui64 keySize, ui64 recordSize) { 
-        MemSizeCounter -= (keySize + recordSize); 
-        RecordsSizeCounter -= AdjustedRecordSize(recordSize); 
-    } 
- 
-public: 
-    TPartitionRows() 
-        : MemSizeCounter(0) 
-        , RecordsSizeCounter(0) 
-    { 
-    } 
- 
-    ui64 MemSize() const { 
-        return MemSizeCounter; 
-    } 
- 
-    ui64 RecordsSize() const { 
-        return RecordsSizeCounter; 
-    } 
- 
-    bool Add(TKey&& key, TString&& record) { 
-        auto ret = Rows.emplace(std::move(key), std::move(record)); 
-        if (!ret.second) { 
-            return ret.second; 
-        } 
- 
-        IncSize(ret.first->first.MemSize(), ret.first->second.size()); 
-        return ret.second; 
-    } 
- 
-    bool Empty() const { 
-        return Rows.empty(); 
-    } 
- 
-    auto Pop() { 
-        Y_ENSURE(!Empty()); 
-        auto ret = Rows.extract(Rows.begin()); 
- 
-        DecSize(ret.key().MemSize(), ret.mapped().size()); 
-        return ret; 
-    } 
- 
-    TString Serialize(ui64 maxSize) { 
-        TStringBuilder result; 
- 
-        if (Empty()) { 
-            return result; 
-        } 
- 
-        auto handle = Pop(); 
-        while (result.size() + handle.mapped().size() < maxSize) { 
-            result << handle.mapped() << "\n"; 
- 
-            if (Empty()) { 
-                return result; 
-            } 
- 
-            handle = Pop(); 
-        } 
- 
-        Add(std::move(handle.key()), std::move(handle.mapped())); 
-        return result; 
-    } 
- 
-private: 
-    TMap<TKey, TString> Rows; 
-    ui64 MemSizeCounter; 
-    ui64 RecordsSizeCounter; 
- 
-}; // TPartitionRows 
- 
-class TTableRows { 
-    template <typename TIterator> 
-    struct TIteratorHash { 
-        size_t operator()(const TIterator& x) const { 
-            return THash<intptr_t>()(reinterpret_cast<intptr_t>(&*x)); 
-        } 
-    }; 
- 
-    // key is a right-side boundary of partition 
-    using TRows = TMap<TSplitPoint, TPartitionRows>; 
-    using TRowsBy = TMap<ui64, THashSet<TRows::iterator, TIteratorHash<TRows::iterator>>, TGreater<ui64>>; 
- 
-    static auto MakeSplitPoints(const TVector<TKeyRange>& keyRanges) { 
-        Y_ENSURE(!keyRanges.empty()); 
- 
-        TVector<TSplitPoint> splitPoints; 
- 
-        auto it = keyRanges.begin(); 
-        while (++it != keyRanges.end()) { 
-            const auto& from = it->From(); 
- 
-            Y_ENSURE(from.Defined()); 
-            Y_ENSURE(from->IsInclusive()); 
- 
-            TValueParser parser(from->GetValue()); 
-            splitPoints.push_back(TValueConverter<TValueParser>(parser).ConvertAll()); 
-        } 
- 
-        return splitPoints; 
-    } 
- 
-    static auto MakeEmptyRows(TVector<TSplitPoint>&& splitPoints) { 
-        TRows rows; 
- 
-        for (auto& splitPoint : splitPoints) { 
-            rows.emplace(std::move(splitPoint), TPartitionRows()); 
-        } 
- 
-        // last boundary is +inf 
-        rows.emplace(TSplitPoint{TValue::Inf()}, TPartitionRows()); 
- 
-        return rows; 
-    } 
- 
-    template <typename T> 
-    static auto FindPartition(T& rows, const TKey& key) { 
-        Y_ENSURE(!rows.empty()); 
-        auto it = rows.begin(); 
- 
-        while (it != rows.end() && !(key < it->first)) { 
-            ++it; 
-        } 
- 
-        return it; 
-    } 
- 
-    static auto Add(TRows& emplaceTo, TKey&& key, TString&& record) { 
-        auto it = FindPartition(emplaceTo, key); 
-        Y_ENSURE(it != emplaceTo.end()); 
- 
-        auto& rows = it->second; 
-        return std::make_pair(it, rows.Add(std::move(key), std::move(record))); 
-    } 
- 
-    static void RemoveFromSizeTracker(TRowsBy& container, ui64 prevSize, TRows::iterator rowIt) { 
-        auto bucket = container.find(prevSize); 
-        Y_ENSURE(bucket != container.end()); 
- 
-        auto it = bucket->second.find(rowIt); 
-        Y_ENSURE(it != bucket->second.end()); 
- 
-        bucket->second.erase(it); 
- 
-        if (bucket->second.empty()) { 
-            container.erase(bucket); 
-        } 
-    } 
- 
-public: 
-    explicit TTableRows(const TVector<TKeyRange>& keyRanges) 
-        : ByPartition(MakeEmptyRows(MakeSplitPoints(keyRanges))) 
-        , MemSize(0) 
-    { 
-    } 
- 
-    bool CanAdd(const TKey& key, const TString& record, ui64 memLimit, ui64 batchSize) const { 
-        if (MemSize + key.MemSize() + record.size() >= memLimit) { 
-            return MemSize == 0; 
-        } 
- 
-        auto it = FindPartition(ByPartition, key); 
-        Y_ENSURE(it != ByPartition.end()); 
- 
-        if (it->second.RecordsSize() + record.size() >= batchSize) { 
-            return it->second.RecordsSize() == 0; 
-        } 
- 
-        return true; 
-    } 
- 
-    void Add(TKey&& key, TString&& record) { 
-        const ui64 recordSize = record.size(); 
-        const ui64 memSize = key.MemSize() + recordSize; 
- 
-        auto ret = Add(ByPartition, std::move(key), std::move(record)); 
- 
-        if (ret.second) { 
-            auto update = [it = ret.first](TRowsBy& container, ui64 prevSize, ui64 newSize) { 
-                if (prevSize) { 
-                    RemoveFromSizeTracker(container, prevSize, it); 
-                } 
- 
-                Y_ENSURE(container[newSize].insert(it).second); 
-            }; 
- 
-            const auto& rows = ret.first->second; 
-            update(ByMemSize, (rows.MemSize() - memSize), rows.MemSize()); 
-            update(ByRecordsSize, (rows.RecordsSize() - AdjustedRecordSize(recordSize)), rows.RecordsSize()); 
- 
-            MemSize += memSize; 
-        } 
-    } 
- 
-    void Reshard(const TVector<TKeyRange>& keyRanges) { 
-        auto newByPartition = MakeEmptyRows(MakeSplitPoints(keyRanges)); 
- 
-        for (auto& [_, rows] : ByPartition) { 
-            while (!rows.Empty()) { 
-                auto handle = rows.Pop(); 
-                Y_ENSURE(Add(newByPartition, std::move(handle.key()), std::move(handle.mapped())).second); 
-            } 
-        } 
- 
-        ByMemSize.clear(); 
-        ByRecordsSize.clear(); 
-        ByPartition = std::move(newByPartition); 
- 
-        for (auto it = ByPartition.begin(); it != ByPartition.end(); ++it) { 
-            Y_ENSURE(ByMemSize[it->second.MemSize()].insert(it).second); 
-            Y_ENSURE(ByRecordsSize[it->second.RecordsSize()].insert(it).second); 
-        } 
-    } 
- 
-    bool HasData(ui64 memLimit, ui64 batchSize, bool force = false) const { 
-        if (ByMemSize.empty()) { 
-            Y_ENSURE(ByRecordsSize.empty()); 
-            return false; 
-        } 
- 
-        Y_ENSURE(!ByMemSize.begin()->second.empty()); 
-        Y_ENSURE(!ByRecordsSize.begin()->second.empty()); 
- 
-        if (MemSize >= memLimit) { 
-            return true; 
-        } 
- 
-        auto it = ByRecordsSize.begin()->second.begin(); 
-        auto& rows = (*it)->second; 
- 
-        if (rows.RecordsSize() >= batchSize || (force && !rows.Empty())) { 
-            return true; 
-        } 
- 
-        return false; 
-    } 
- 
-    TString GetData(ui64 memLimit, ui64 batchSize, bool force = false)  { 
-        Y_ENSURE(HasData(memLimit, batchSize, force)); 
-        Y_ENSURE(!ByMemSize.empty()); 
-        Y_ENSURE(!ByRecordsSize.empty()); 
-        Y_ENSURE(!ByMemSize.begin()->second.empty()); 
-        Y_ENSURE(!ByRecordsSize.begin()->second.empty()); 
- 
-        auto get = [this, batchSize](TRowsBy& from) { 
-            auto it = from.begin()->second.begin(); 
-            auto& rows = (*it)->second; 
- 
-            RemoveFromSizeTracker(ByMemSize, rows.MemSize(), *it); 
-            RemoveFromSizeTracker(ByRecordsSize, rows.RecordsSize(), *it); 
- 
-            MemSize -= rows.MemSize(); 
-            auto ret = rows.Serialize(batchSize); 
-            MemSize += rows.MemSize(); 
- 
-            if (rows.MemSize()) { 
-                Y_ENSURE(ByMemSize[rows.MemSize()].insert(*it).second); 
-            } 
-            if (rows.RecordsSize()) { 
-                Y_ENSURE(ByRecordsSize[rows.RecordsSize()].insert(*it).second); 
-            } 
- 
-            return ret; 
-        }; 
- 
-        if (MemSize >= memLimit) { 
-            return get(ByMemSize); 
-        } 
- 
-        return get(ByRecordsSize); 
-    } 
- 
-private: 
-    TRows ByPartition; 
-    TRowsBy ByMemSize; 
-    TRowsBy ByRecordsSize; 
- 
-    ui64 MemSize; 
- 
-}; // TTableRows 
- 
-class TDataAccumulator: public NPrivate::IDataAccumulator { 
-public: 
-    explicit TDataAccumulator( 
-            const TTableDescription& dumpedDesc, 
-            const TTableDescription& actualDesc, 
-            const TRestoreSettings& settings) 
-        : KeyBuilder(dumpedDesc.GetColumns(), dumpedDesc.GetPrimaryKeyColumns()) 
-        , Rows(actualDesc.GetKeyRanges()) 
-        , MemLimit(settings.MemLimit_) 
-        , BatchSize(settings.BytesPerRequest_) 
-    { 
-    } 
- 
-    bool Fits(const TString& line) const override { 
-        TGuard<TMutex> lock(Mutex); 
-        return Rows.CanAdd(KeyBuilder.Build(line), line, MemLimit, BatchSize); 
-    } 
- 
-    void Feed(TString&& line) override { 
-        TGuard<TMutex> lock(Mutex); 
-        Rows.Add(KeyBuilder.Build(line), std::move(line)); 
-    } 
- 
-    bool Ready(bool force) const override { 
-        TGuard<TMutex> lock(Mutex); 
-        return Rows.HasData(MemLimit, BatchSize, force); 
-    } 
- 
-    TString GetData(bool force) override { 
-        TGuard<TMutex> lock(Mutex); 
-        return Rows.GetData(MemLimit, BatchSize, force); 
-    } 
- 
-    void Reshard(const TVector<TKeyRange>& keyRanges) { 
-        TGuard<TMutex> lock(Mutex); 
-        Rows.Reshard(keyRanges); 
-    } 
- 
-private: 
-    const TKeyBuilder KeyBuilder; 
-    TTableRows Rows; 
- 
-    const ui64 MemLimit; 
-    const ui64 BatchSize; 
- 
-    TMutex Mutex; 
- 
-}; // TDataAccumulator 
- 
-class TDataWriter: public NPrivate::IDataWriter { 
-    static auto MakeSettings(const TRestoreSettings& settings, const TTableDescription& desc) { 
-        auto importDataSettings = TImportYdbDumpDataSettings(settings) 
-            .RequestType(DOC_API_REQUEST_TYPE); 
- 
-        for (const auto& column : desc.GetColumns()) { 
-            importDataSettings.AppendColumns(column.Name); 
-        } 
- 
-        return importDataSettings; 
-    } 
- 
-    bool Write(const TString& data) { 
-        const ui32 maxRetries = 10; 
-        TDuration retrySleep = TDuration::MilliSeconds(500); 
- 
-        for (ui32 retryNumber = 0; retryNumber <= maxRetries; ++retryNumber) { 
+        TInf,
+        TNull,
+        TString,
+        bool,
+        ui8,
+        i32,
+        ui32,
+        i64,
+        ui64
+    > Value;
+
+}; // TValue
+
+template <typename TParser>
+class TValueConverter {
+    TValue Convert(EPrimitiveType type) const {
+        switch (type) {
+        case EPrimitiveType::Bool:
+            return TValue(Parser.GetBool());
+        case EPrimitiveType::Uint8:
+            return TValue(Parser.GetUint8());
+        case EPrimitiveType::Int32:
+            return TValue(Parser.GetInt32());
+        case EPrimitiveType::Uint32:
+            return TValue(Parser.GetUint32());
+        case EPrimitiveType::Int64:
+            return TValue(Parser.GetInt64());
+        case EPrimitiveType::Uint64:
+            return TValue(Parser.GetUint64());
+        case EPrimitiveType::DyNumber:
+            return TValue(Parser.GetDyNumber());
+        case EPrimitiveType::Date:
+            return TValue(Parser.GetDate().GetValue());
+        case EPrimitiveType::Datetime:
+            return TValue(Parser.GetDatetime().GetValue());
+        case EPrimitiveType::Timestamp:
+            return TValue(Parser.GetTimestamp().GetValue());
+        case EPrimitiveType::String:
+            return TValue(Parser.GetString());
+        case EPrimitiveType::Utf8:
+            return TValue(Parser.GetUtf8());
+        default:
+            Y_ENSURE(false, "Unexpected primitive type: " << type);
+        }
+    }
+
+    void Convert(TVector<TValue>& value) {
+        switch (Parser.GetKind()) {
+        case TTypeParser::ETypeKind::Primitive:
+            value.emplace_back(Convert(Parser.GetPrimitiveType()));
+            break;
+
+        case TTypeParser::ETypeKind::Optional:
+            Parser.OpenOptional();
+            if (Parser.IsNull()) {
+                value.emplace_back(TValue::Null());
+            } else {
+                Convert(value);
+            }
+            Parser.CloseOptional();
+            break;
+
+        case TTypeParser::ETypeKind::Tuple:
+            Parser.OpenTuple();
+            while (Parser.TryNextElement()) {
+                Convert(value);
+            }
+            Parser.CloseTuple();
+            break;
+
+        default:
+            Y_ENSURE(false, "Unexpected type kind: " << Parser.GetKind());
+        }
+    }
+
+public:
+    explicit TValueConverter(TParser& parser)
+        : Parser(parser)
+    {
+    }
+
+    TVector<TValue> ConvertAll() {
+        TVector<TValue> value;
+        Convert(value);
+        return value;
+    }
+
+    TValue ConvertSingle() {
+        auto value = ConvertAll();
+        Y_ENSURE(value.size() == 1, "Unexpected value size: " << value.size());
+        return value[0];
+    }
+
+private:
+    TParser& Parser;
+
+}; // TValueConverter
+
+class TYdbDumpValueParser {
+    TString CheckedUnescape() const {
+        Y_ENSURE(Value.size() >= 2 || Value.front() == '"' || Value.back() == '"');
+        return CGIUnescapeRet(TStringBuf(Value).Skip(1).Chop(1));
+    }
+
+public:
+    explicit TYdbDumpValueParser(TStringBuf value, EPrimitiveType type)
+        : Value(value)
+        , Type(type)
+        , OptionalOpened(false)
+    {
+    }
+
+    TTypeParser::ETypeKind GetKind() const {
+        return OptionalOpened
+            ? TTypeParser::ETypeKind::Primitive
+            : TTypeParser::ETypeKind::Optional;
+    }
+
+    EPrimitiveType GetPrimitiveType() const {
+        return Type;
+    }
+
+    bool GetBool() const {
+        return FromString<bool>(Value);
+    }
+
+    ui8 GetUint8() const {
+        return FromString<ui8>(Value);
+    }
+
+    i32 GetInt32() const {
+        return FromString<i32>(Value);
+    }
+
+    ui32 GetUint32() const {
+        return FromString<ui32>(Value);
+    }
+
+    i64 GetInt64() const {
+        return FromString<i64>(Value);
+    }
+
+    ui64 GetUint64() const {
+        return FromString<ui64>(Value);
+    }
+
+    TString GetDyNumber() const {
+        return ToString(Value);
+    }
+
+    TInstant GetDate() const {
+        return TInstant::ParseIso8601(Value);
+    }
+
+    TInstant GetDatetime() const {
+        return TInstant::ParseIso8601(Value);
+    }
+
+    TInstant GetTimestamp() const {
+        return TInstant::ParseIso8601(Value);
+    }
+
+    TString GetString() const {
+        return CheckedUnescape();
+    }
+
+    TString GetUtf8() const {
+        return CheckedUnescape();
+    }
+
+    bool IsNull() const {
+        return Value == "null";
+    }
+
+    void OpenOptional() {
+        OptionalOpened = true;
+    }
+
+    void CloseOptional() {
+        OptionalOpened = false;
+    }
+
+    bool TryNextElement() {
+        return false;
+    }
+
+    void OpenTuple() {}
+    void CloseTuple() {}
+
+private:
+    const TStringBuf Value;
+    const EPrimitiveType Type;
+
+    bool OptionalOpened;
+
+}; // TYdbDumpValueParser
+
+class TKey: public TVector<TValue> {
+public:
+    using TVector<TValue>::TVector;
+
+    TKey(TVector<TValue>&& values)
+        : TVector<TValue>(std::move(values))
+    {
+    }
+
+    bool operator<(const TKey& rhs) const {
+        for (ui32 i = 0; i < Min(size(), rhs.size()); ++i) {
+            if (at(i) < rhs.at(i)) {
+                return true;
+            }
+
+            if (rhs.at(i) < at(i)) {
+                return false;
+            }
+        }
+
+        return size() < rhs.size();
+    }
+
+    ui64 MemSize() const {
+        return Accumulate(begin(), end(), ui64(0), [](ui64 s, const auto& v) {
+            return s + v.MemSize();
+        });
+    }
+
+}; // TKey
+
+using TSplitPoint = TKey;
+
+class TKeyBuilder {
+    static auto MakeKeyColumnIds(const TVector<TString>& keyColumns) {
+        THashMap<TString, ui32> keyColumnIds;
+
+        for (ui32 i = 0; i < keyColumns.size(); ++i) {
+            Y_ENSURE(keyColumnIds.emplace(keyColumns.at(i), i).second);
+        }
+
+        return keyColumnIds;
+    }
+
+    static EPrimitiveType GetPrimitiveType(TTypeParser& parser) {
+        switch (parser.GetKind()) {
+        case TTypeParser::ETypeKind::Optional:
+            parser.OpenOptional();
+            return GetPrimitiveType(parser);
+        case TTypeParser::ETypeKind::Primitive:
+            return parser.GetPrimitive();
+        default:
+            Y_ENSURE(false, "Unexpected type kind: " << parser.GetKind());
+        }
+    }
+
+    static EPrimitiveType GetPrimitiveType(const TType& type) {
+        TTypeParser parser(type);
+        return GetPrimitiveType(parser);
+    }
+
+public:
+    explicit TKeyBuilder(const TVector<TColumn>& columns, const TVector<TString>& keyColumns)
+        : Columns(columns)
+        , KeyColumnIds(MakeKeyColumnIds(keyColumns))
+    {
+    }
+
+    TKey Build(TStringBuf line) const {
+        TMap<ui32, TValue> values;
+
+        const TStringBuf origLine = line;
+        for (const auto& column : Columns) {
+            TStringBuf value = line.NextTok(',');
+            Y_ENSURE(value, "Empty token on line: " << origLine);
+
+            auto it = KeyColumnIds.find(column.Name);
+            if (it == KeyColumnIds.end()) {
+                continue;
+            }
+
+            TYdbDumpValueParser parser(value, GetPrimitiveType(column.Type));
+            values.emplace(it->second, TValueConverter<TYdbDumpValueParser>(parser).ConvertSingle());
+        }
+
+        TKey key;
+        for (auto& [_, value] : values) {
+            key.push_back(std::move(value));
+        }
+
+        return key;
+    }
+
+private:
+    const TVector<TColumn> Columns;
+    const THashMap<TString, ui32> KeyColumnIds;
+
+}; // TKeyBuilder
+
+ui64 AdjustedRecordSize(ui64 recordSize) {
+    return recordSize + 1 /* \n */;
+}
+
+class TPartitionRows {
+    void IncSize(ui64 keySize, ui64 recordSize) {
+        MemSizeCounter += (keySize + recordSize);
+        RecordsSizeCounter += AdjustedRecordSize(recordSize);
+    }
+
+    void DecSize(ui64 keySize, ui64 recordSize) {
+        MemSizeCounter -= (keySize + recordSize);
+        RecordsSizeCounter -= AdjustedRecordSize(recordSize);
+    }
+
+public:
+    TPartitionRows()
+        : MemSizeCounter(0)
+        , RecordsSizeCounter(0)
+    {
+    }
+
+    ui64 MemSize() const {
+        return MemSizeCounter;
+    }
+
+    ui64 RecordsSize() const {
+        return RecordsSizeCounter;
+    }
+
+    bool Add(TKey&& key, TString&& record) {
+        auto ret = Rows.emplace(std::move(key), std::move(record));
+        if (!ret.second) {
+            return ret.second;
+        }
+
+        IncSize(ret.first->first.MemSize(), ret.first->second.size());
+        return ret.second;
+    }
+
+    bool Empty() const {
+        return Rows.empty();
+    }
+
+    auto Pop() {
+        Y_ENSURE(!Empty());
+        auto ret = Rows.extract(Rows.begin());
+
+        DecSize(ret.key().MemSize(), ret.mapped().size());
+        return ret;
+    }
+
+    TString Serialize(ui64 maxSize) {
+        TStringBuilder result;
+
+        if (Empty()) {
+            return result;
+        }
+
+        auto handle = Pop();
+        while (result.size() + handle.mapped().size() < maxSize) {
+            result << handle.mapped() << "\n";
+
+            if (Empty()) {
+                return result;
+            }
+
+            handle = Pop();
+        }
+
+        Add(std::move(handle.key()), std::move(handle.mapped()));
+        return result;
+    }
+
+private:
+    TMap<TKey, TString> Rows;
+    ui64 MemSizeCounter;
+    ui64 RecordsSizeCounter;
+
+}; // TPartitionRows
+
+class TTableRows {
+    template <typename TIterator>
+    struct TIteratorHash {
+        size_t operator()(const TIterator& x) const {
+            return THash<intptr_t>()(reinterpret_cast<intptr_t>(&*x));
+        }
+    };
+
+    // key is a right-side boundary of partition
+    using TRows = TMap<TSplitPoint, TPartitionRows>;
+    using TRowsBy = TMap<ui64, THashSet<TRows::iterator, TIteratorHash<TRows::iterator>>, TGreater<ui64>>;
+
+    static auto MakeSplitPoints(const TVector<TKeyRange>& keyRanges) {
+        Y_ENSURE(!keyRanges.empty());
+
+        TVector<TSplitPoint> splitPoints;
+
+        auto it = keyRanges.begin();
+        while (++it != keyRanges.end()) {
+            const auto& from = it->From();
+
+            Y_ENSURE(from.Defined());
+            Y_ENSURE(from->IsInclusive());
+
+            TValueParser parser(from->GetValue());
+            splitPoints.push_back(TValueConverter<TValueParser>(parser).ConvertAll());
+        }
+
+        return splitPoints;
+    }
+
+    static auto MakeEmptyRows(TVector<TSplitPoint>&& splitPoints) {
+        TRows rows;
+
+        for (auto& splitPoint : splitPoints) {
+            rows.emplace(std::move(splitPoint), TPartitionRows());
+        }
+
+        // last boundary is +inf
+        rows.emplace(TSplitPoint{TValue::Inf()}, TPartitionRows());
+
+        return rows;
+    }
+
+    template <typename T>
+    static auto FindPartition(T& rows, const TKey& key) {
+        Y_ENSURE(!rows.empty());
+        auto it = rows.begin();
+
+        while (it != rows.end() && !(key < it->first)) {
+            ++it;
+        }
+
+        return it;
+    }
+
+    static auto Add(TRows& emplaceTo, TKey&& key, TString&& record) {
+        auto it = FindPartition(emplaceTo, key);
+        Y_ENSURE(it != emplaceTo.end());
+
+        auto& rows = it->second;
+        return std::make_pair(it, rows.Add(std::move(key), std::move(record)));
+    }
+
+    static void RemoveFromSizeTracker(TRowsBy& container, ui64 prevSize, TRows::iterator rowIt) {
+        auto bucket = container.find(prevSize);
+        Y_ENSURE(bucket != container.end());
+
+        auto it = bucket->second.find(rowIt);
+        Y_ENSURE(it != bucket->second.end());
+
+        bucket->second.erase(it);
+
+        if (bucket->second.empty()) {
+            container.erase(bucket);
+        }
+    }
+
+public:
+    explicit TTableRows(const TVector<TKeyRange>& keyRanges)
+        : ByPartition(MakeEmptyRows(MakeSplitPoints(keyRanges)))
+        , MemSize(0)
+    {
+    }
+
+    bool CanAdd(const TKey& key, const TString& record, ui64 memLimit, ui64 batchSize) const {
+        if (MemSize + key.MemSize() + record.size() >= memLimit) {
+            return MemSize == 0;
+        }
+
+        auto it = FindPartition(ByPartition, key);
+        Y_ENSURE(it != ByPartition.end());
+
+        if (it->second.RecordsSize() + record.size() >= batchSize) {
+            return it->second.RecordsSize() == 0;
+        }
+
+        return true;
+    }
+
+    void Add(TKey&& key, TString&& record) {
+        const ui64 recordSize = record.size();
+        const ui64 memSize = key.MemSize() + recordSize;
+
+        auto ret = Add(ByPartition, std::move(key), std::move(record));
+
+        if (ret.second) {
+            auto update = [it = ret.first](TRowsBy& container, ui64 prevSize, ui64 newSize) {
+                if (prevSize) {
+                    RemoveFromSizeTracker(container, prevSize, it);
+                }
+
+                Y_ENSURE(container[newSize].insert(it).second);
+            };
+
+            const auto& rows = ret.first->second;
+            update(ByMemSize, (rows.MemSize() - memSize), rows.MemSize());
+            update(ByRecordsSize, (rows.RecordsSize() - AdjustedRecordSize(recordSize)), rows.RecordsSize());
+
+            MemSize += memSize;
+        }
+    }
+
+    void Reshard(const TVector<TKeyRange>& keyRanges) {
+        auto newByPartition = MakeEmptyRows(MakeSplitPoints(keyRanges));
+
+        for (auto& [_, rows] : ByPartition) {
+            while (!rows.Empty()) {
+                auto handle = rows.Pop();
+                Y_ENSURE(Add(newByPartition, std::move(handle.key()), std::move(handle.mapped())).second);
+            }
+        }
+
+        ByMemSize.clear();
+        ByRecordsSize.clear();
+        ByPartition = std::move(newByPartition);
+
+        for (auto it = ByPartition.begin(); it != ByPartition.end(); ++it) {
+            Y_ENSURE(ByMemSize[it->second.MemSize()].insert(it).second);
+            Y_ENSURE(ByRecordsSize[it->second.RecordsSize()].insert(it).second);
+        }
+    }
+
+    bool HasData(ui64 memLimit, ui64 batchSize, bool force = false) const {
+        if (ByMemSize.empty()) {
+            Y_ENSURE(ByRecordsSize.empty());
+            return false;
+        }
+
+        Y_ENSURE(!ByMemSize.begin()->second.empty());
+        Y_ENSURE(!ByRecordsSize.begin()->second.empty());
+
+        if (MemSize >= memLimit) {
+            return true;
+        }
+
+        auto it = ByRecordsSize.begin()->second.begin();
+        auto& rows = (*it)->second;
+
+        if (rows.RecordsSize() >= batchSize || (force && !rows.Empty())) {
+            return true;
+        }
+
+        return false;
+    }
+
+    TString GetData(ui64 memLimit, ui64 batchSize, bool force = false)  {
+        Y_ENSURE(HasData(memLimit, batchSize, force));
+        Y_ENSURE(!ByMemSize.empty());
+        Y_ENSURE(!ByRecordsSize.empty());
+        Y_ENSURE(!ByMemSize.begin()->second.empty());
+        Y_ENSURE(!ByRecordsSize.begin()->second.empty());
+
+        auto get = [this, batchSize](TRowsBy& from) {
+            auto it = from.begin()->second.begin();
+            auto& rows = (*it)->second;
+
+            RemoveFromSizeTracker(ByMemSize, rows.MemSize(), *it);
+            RemoveFromSizeTracker(ByRecordsSize, rows.RecordsSize(), *it);
+
+            MemSize -= rows.MemSize();
+            auto ret = rows.Serialize(batchSize);
+            MemSize += rows.MemSize();
+
+            if (rows.MemSize()) {
+                Y_ENSURE(ByMemSize[rows.MemSize()].insert(*it).second);
+            }
+            if (rows.RecordsSize()) {
+                Y_ENSURE(ByRecordsSize[rows.RecordsSize()].insert(*it).second);
+            }
+
+            return ret;
+        };
+
+        if (MemSize >= memLimit) {
+            return get(ByMemSize);
+        }
+
+        return get(ByRecordsSize);
+    }
+
+private:
+    TRows ByPartition;
+    TRowsBy ByMemSize;
+    TRowsBy ByRecordsSize;
+
+    ui64 MemSize;
+
+}; // TTableRows
+
+class TDataAccumulator: public NPrivate::IDataAccumulator {
+public:
+    explicit TDataAccumulator(
+            const TTableDescription& dumpedDesc,
+            const TTableDescription& actualDesc,
+            const TRestoreSettings& settings)
+        : KeyBuilder(dumpedDesc.GetColumns(), dumpedDesc.GetPrimaryKeyColumns())
+        , Rows(actualDesc.GetKeyRanges())
+        , MemLimit(settings.MemLimit_)
+        , BatchSize(settings.BytesPerRequest_)
+    {
+    }
+
+    bool Fits(const TString& line) const override {
+        TGuard<TMutex> lock(Mutex);
+        return Rows.CanAdd(KeyBuilder.Build(line), line, MemLimit, BatchSize);
+    }
+
+    void Feed(TString&& line) override {
+        TGuard<TMutex> lock(Mutex);
+        Rows.Add(KeyBuilder.Build(line), std::move(line));
+    }
+
+    bool Ready(bool force) const override {
+        TGuard<TMutex> lock(Mutex);
+        return Rows.HasData(MemLimit, BatchSize, force);
+    }
+
+    TString GetData(bool force) override {
+        TGuard<TMutex> lock(Mutex);
+        return Rows.GetData(MemLimit, BatchSize, force);
+    }
+
+    void Reshard(const TVector<TKeyRange>& keyRanges) {
+        TGuard<TMutex> lock(Mutex);
+        Rows.Reshard(keyRanges);
+    }
+
+private:
+    const TKeyBuilder KeyBuilder;
+    TTableRows Rows;
+
+    const ui64 MemLimit;
+    const ui64 BatchSize;
+
+    TMutex Mutex;
+
+}; // TDataAccumulator
+
+class TDataWriter: public NPrivate::IDataWriter {
+    static auto MakeSettings(const TRestoreSettings& settings, const TTableDescription& desc) {
+        auto importDataSettings = TImportYdbDumpDataSettings(settings)
+            .RequestType(DOC_API_REQUEST_TYPE);
+
+        for (const auto& column : desc.GetColumns()) {
+            importDataSettings.AppendColumns(column.Name);
+        }
+
+        return importDataSettings;
+    }
+
+    bool Write(const TString& data) {
+        const ui32 maxRetries = 10;
+        TDuration retrySleep = TDuration::MilliSeconds(500);
+
+        for (ui32 retryNumber = 0; retryNumber <= maxRetries; ++retryNumber) {
             while (!RequestLimiter.IsAvail()) {
                 Sleep(Min(TDuration::MicroSeconds(RequestLimiter.GetWaitTime()), RateLimiterSettings.ReactionTime_));
-                if (IsStopped()) { 
-                    return false; 
-                } 
-            } 
- 
-            if (IsStopped()) { 
-                return false; 
-            } 
- 
+                if (IsStopped()) {
+                    return false;
+                }
+            }
+
+            if (IsStopped()) {
+                return false;
+            }
+
             RequestLimiter.Use(1);
 
-            auto importResult = ImportClient.ImportData(Path, data, Settings).GetValueSync(); 
- 
-            if (importResult.IsSuccess()) { 
-                return true; 
-            } 
- 
-            if (retryNumber == maxRetries) { 
-                return false; 
-            } 
- 
-            switch (importResult.GetStatus()) { 
-                case EStatus::PRECONDITION_FAILED: { 
-                    // table's partitioning has been changed 
-                    TMaybe<TTableDescription> desc; 
-                    auto descResult = DescribeTable(TableClient, Path, desc); 
-                    if (!descResult.IsSuccess()) { 
-                        return false; 
-                    } 
- 
-                    Accumulator->Reshard(desc->GetKeyRanges()); 
- 
-                    TStringInput input(data); 
-                    TString line; 
- 
-                    while (input.ReadLine(line)) { 
-                        Accumulator->Feed(std::move(line)); 
-                    } 
- 
-                    break; 
-                } 
- 
-                case EStatus::ABORTED: 
-                    break; 
- 
-                case EStatus::OVERLOADED: 
-                case EStatus::CLIENT_RESOURCE_EXHAUSTED: 
-                    ExponentialBackoff(retrySleep); 
-                    break; 
- 
-                case EStatus::UNAVAILABLE: 
-                    ExponentialBackoff(retrySleep); 
-                    break; 
- 
-                case EStatus::TRANSPORT_UNAVAILABLE: 
-                    ExponentialBackoff(retrySleep); 
-                    break; 
- 
-                default: 
-                    return false; 
-            } 
-        } 
- 
-        return false; 
-    } 
- 
-    void Stop() { 
-        AtomicSet(Stopped, 1); 
-    } 
- 
-    bool IsStopped() const { 
-        return AtomicGet(Stopped) == 1; 
-    } 
- 
-public: 
-    explicit TDataWriter( 
-            const TString& path, 
-            const TTableDescription& desc, 
-            const TRestoreSettings& settings, 
-            TImportClient& importClient, 
-            TTableClient& tableClient, 
-            NPrivate::IDataAccumulator* accumulator) 
-        : Path(path) 
-        , Settings(MakeSettings(settings, desc)) 
-        , ImportClient(importClient) 
-        , TableClient(tableClient) 
-        , Accumulator(dynamic_cast<TDataAccumulator*>(accumulator)) 
-        , RateLimiterSettings(settings.RateLimiterSettings_) 
+            auto importResult = ImportClient.ImportData(Path, data, Settings).GetValueSync();
+
+            if (importResult.IsSuccess()) {
+                return true;
+            }
+
+            if (retryNumber == maxRetries) {
+                return false;
+            }
+
+            switch (importResult.GetStatus()) {
+                case EStatus::PRECONDITION_FAILED: {
+                    // table's partitioning has been changed
+                    TMaybe<TTableDescription> desc;
+                    auto descResult = DescribeTable(TableClient, Path, desc);
+                    if (!descResult.IsSuccess()) {
+                        return false;
+                    }
+
+                    Accumulator->Reshard(desc->GetKeyRanges());
+
+                    TStringInput input(data);
+                    TString line;
+
+                    while (input.ReadLine(line)) {
+                        Accumulator->Feed(std::move(line));
+                    }
+
+                    break;
+                }
+
+                case EStatus::ABORTED:
+                    break;
+
+                case EStatus::OVERLOADED:
+                case EStatus::CLIENT_RESOURCE_EXHAUSTED:
+                    ExponentialBackoff(retrySleep);
+                    break;
+
+                case EStatus::UNAVAILABLE:
+                    ExponentialBackoff(retrySleep);
+                    break;
+
+                case EStatus::TRANSPORT_UNAVAILABLE:
+                    ExponentialBackoff(retrySleep);
+                    break;
+
+                default:
+                    return false;
+            }
+        }
+
+        return false;
+    }
+
+    void Stop() {
+        AtomicSet(Stopped, 1);
+    }
+
+    bool IsStopped() const {
+        return AtomicGet(Stopped) == 1;
+    }
+
+public:
+    explicit TDataWriter(
+            const TString& path,
+            const TTableDescription& desc,
+            const TRestoreSettings& settings,
+            TImportClient& importClient,
+            TTableClient& tableClient,
+            NPrivate::IDataAccumulator* accumulator)
+        : Path(path)
+        , Settings(MakeSettings(settings, desc))
+        , ImportClient(importClient)
+        , TableClient(tableClient)
+        , Accumulator(dynamic_cast<TDataAccumulator*>(accumulator))
+        , RateLimiterSettings(settings.RateLimiterSettings_)
         , RequestLimiter(RateLimiterSettings.GetRps(), RateLimiterSettings.GetRps())
-    { 
-        Y_ENSURE(Accumulator); 
- 
-        TasksQueue = MakeHolder<TThreadPool>(TThreadPool::TParams().SetBlocking(true).SetCatching(true)); 
-        TasksQueue->Start(settings.InFly_, settings.InFly_ + 1); 
-    } 
- 
-    bool Push(TString&& data) override { 
-        Y_ENSURE(data.size() < TRestoreSettings::MaxBytesPerRequest, "Data is too long"); 
- 
-        if (IsStopped()) { 
-            return false; 
-        } 
- 
-        auto func = [this, data = std::move(data)]() { 
-            if (!Write(data)) { 
-                Stop(); 
-            } 
-        }; 
- 
-        return TasksQueue->AddFunc(func); 
-    } 
- 
-    void Wait() override { 
-        TasksQueue->Stop(); 
-    } 
- 
-private: 
-    const TString Path; 
-    const TImportYdbDumpDataSettings Settings; 
-    TImportClient& ImportClient; 
-    TTableClient& TableClient; 
-    TDataAccumulator* Accumulator; 
- 
-    const TRateLimiterSettings RateLimiterSettings; 
+    {
+        Y_ENSURE(Accumulator);
+
+        TasksQueue = MakeHolder<TThreadPool>(TThreadPool::TParams().SetBlocking(true).SetCatching(true));
+        TasksQueue->Start(settings.InFly_, settings.InFly_ + 1);
+    }
+
+    bool Push(TString&& data) override {
+        Y_ENSURE(data.size() < TRestoreSettings::MaxBytesPerRequest, "Data is too long");
+
+        if (IsStopped()) {
+            return false;
+        }
+
+        auto func = [this, data = std::move(data)]() {
+            if (!Write(data)) {
+                Stop();
+            }
+        };
+
+        return TasksQueue->AddFunc(func);
+    }
+
+    void Wait() override {
+        TasksQueue->Stop();
+    }
+
+private:
+    const TString Path;
+    const TImportYdbDumpDataSettings Settings;
+    TImportClient& ImportClient;
+    TTableClient& TableClient;
+    TDataAccumulator* Accumulator;
+
+    const TRateLimiterSettings RateLimiterSettings;
 
     using TRpsLimiter = TBucketQuoter<ui64>;
-    TRpsLimiter RequestLimiter; 
- 
-    THolder<IThreadPool> TasksQueue; 
-    TAtomic Stopped; 
- 
-}; // TDataWriter 
- 
-} // anonymous 
- 
-NPrivate::IDataAccumulator* CreateImportDataAccumulator( 
-        const NTable::TTableDescription& dumpedDesc, 
-        const NTable::TTableDescription& actualDesc, 
-        const TRestoreSettings& settings) { 
-    return new TDataAccumulator(dumpedDesc, actualDesc, settings); 
-} 
- 
-NPrivate::IDataWriter* CreateImportDataWriter( 
-        const TString& path, 
-        const TTableDescription& desc, 
-        TImportClient& importClient, 
-        TTableClient& tableClient, 
-        NPrivate::IDataAccumulator* accumulator, 
-        const TRestoreSettings& settings) { 
-    return new TDataWriter(path, desc, settings, importClient, tableClient, accumulator); 
-} 
- 
-} // NDump 
-} // NYdb 
+    TRpsLimiter RequestLimiter;
+
+    THolder<IThreadPool> TasksQueue;
+    TAtomic Stopped;
+
+}; // TDataWriter
+
+} // anonymous
+
+NPrivate::IDataAccumulator* CreateImportDataAccumulator(
+        const NTable::TTableDescription& dumpedDesc,
+        const NTable::TTableDescription& actualDesc,
+        const TRestoreSettings& settings) {
+    return new TDataAccumulator(dumpedDesc, actualDesc, settings);
+}
+
+NPrivate::IDataWriter* CreateImportDataWriter(
+        const TString& path,
+        const TTableDescription& desc,
+        TImportClient& importClient,
+        TTableClient& tableClient,
+        NPrivate::IDataAccumulator* accumulator,
+        const TRestoreSettings& settings) {
+    return new TDataWriter(path, desc, settings, importClient, tableClient, accumulator);
+}
+
+} // NDump
+} // NYdb
diff --git a/ydb/public/lib/ydb_cli/dump/restore_import_data.h b/ydb/public/lib/ydb_cli/dump/restore_import_data.h
index 32b552c789..93ff09bf22 100644
--- a/ydb/public/lib/ydb_cli/dump/restore_import_data.h
+++ b/ydb/public/lib/ydb_cli/dump/restore_import_data.h
@@ -1,22 +1,22 @@
-#pragma once 
- 
-#include "restore_impl.h" 
- 
-namespace NYdb { 
-namespace NDump { 
- 
-NPrivate::IDataAccumulator* CreateImportDataAccumulator( 
-    const NTable::TTableDescription& dumpedDesc, 
-    const NTable::TTableDescription& actualDesc, 
-    const TRestoreSettings& settings); 
- 
-NPrivate::IDataWriter* CreateImportDataWriter( 
-    const TString& path, 
-    const NTable::TTableDescription& desc, 
-    NImport::TImportClient& importClient, 
-    NTable::TTableClient& tableClient, 
-    NPrivate::IDataAccumulator* accumulator, 
-    const TRestoreSettings& settings); 
- 
-} // NDump 
-} // NYdb 
+#pragma once
+
+#include "restore_impl.h"
+
+namespace NYdb {
+namespace NDump {
+
+NPrivate::IDataAccumulator* CreateImportDataAccumulator(
+    const NTable::TTableDescription& dumpedDesc,
+    const NTable::TTableDescription& actualDesc,
+    const TRestoreSettings& settings);
+
+NPrivate::IDataWriter* CreateImportDataWriter(
+    const TString& path,
+    const NTable::TTableDescription& desc,
+    NImport::TImportClient& importClient,
+    NTable::TTableClient& tableClient,
+    NPrivate::IDataAccumulator* accumulator,
+    const TRestoreSettings& settings);
+
+} // NDump
+} // NYdb
diff --git a/ydb/public/lib/ydb_cli/dump/util/util.cpp b/ydb/public/lib/ydb_cli/dump/util/util.cpp
index 332cb0e736..37c8d4b646 100644
--- a/ydb/public/lib/ydb_cli/dump/util/util.cpp
+++ b/ydb/public/lib/ydb_cli/dump/util/util.cpp
@@ -1,17 +1,17 @@
-#include "util.h" 
- 
+#include "util.h"
+
 #include <ydb/public/lib/ydb_cli/common/recursive_list.h>
 
 #include <util/folder/path.h>
 
-namespace NYdb { 
-namespace NDump { 
- 
-using namespace NScheme; 
-using namespace NTable; 
- 
+namespace NYdb {
+namespace NDump {
+
+using namespace NScheme;
+using namespace NTable;
+
 namespace {
- 
+
 // function must return TStatus or derived struct
 // function must be re-invokable
 template <typename TFunction>
@@ -50,55 +50,55 @@ decltype(auto) RetryFunction(
     // unreachable
     return func();
 }
- 
+
 } // anonymous
 
-TStatus DescribeTable(TTableClient& tableClient, const TString& path, TMaybe<TTableDescription>& out) { 
-    auto func = [&path, &out](TSession session) { 
-        auto settings = TDescribeTableSettings().WithKeyShardBoundary(true); 
-        auto result = session.DescribeTable(path, settings).GetValueSync(); 
- 
-        if (result.IsSuccess()) { 
-            out = result.GetTableDescription(); 
-        } 
- 
-        return result; 
-    }; 
- 
-    return tableClient.RetryOperationSync(func, TRetryOperationSettings().Idempotent(true)); 
-} 
- 
-void ExponentialBackoff(TDuration& sleep, TDuration max) { 
-    Sleep(sleep); 
-    sleep = Min(sleep * 2, max); 
-} 
- 
-TDescribePathResult DescribePath(TSchemeClient& schemeClient, const TString& path, const TDescribePathSettings& settings) { 
-    return RetryFunction([&]() -> TDescribePathResult { 
+TStatus DescribeTable(TTableClient& tableClient, const TString& path, TMaybe<TTableDescription>& out) {
+    auto func = [&path, &out](TSession session) {
+        auto settings = TDescribeTableSettings().WithKeyShardBoundary(true);
+        auto result = session.DescribeTable(path, settings).GetValueSync();
+
+        if (result.IsSuccess()) {
+            out = result.GetTableDescription();
+        }
+
+        return result;
+    };
+
+    return tableClient.RetryOperationSync(func, TRetryOperationSettings().Idempotent(true));
+}
+
+void ExponentialBackoff(TDuration& sleep, TDuration max) {
+    Sleep(sleep);
+    sleep = Min(sleep * 2, max);
+}
+
+TDescribePathResult DescribePath(TSchemeClient& schemeClient, const TString& path, const TDescribePathSettings& settings) {
+    return RetryFunction([&]() -> TDescribePathResult {
         return schemeClient.DescribePath(path, settings).GetValueSync();
     });
 }
 
-TStatus MakeDirectory(TSchemeClient& schemeClient, const TString& path, const TMakeDirectorySettings& settings) { 
+TStatus MakeDirectory(TSchemeClient& schemeClient, const TString& path, const TMakeDirectorySettings& settings) {
+    return RetryFunction([&]() -> TStatus {
+        return schemeClient.MakeDirectory(path, settings).GetValueSync();
+    });
+}
+
+TStatus RemoveDirectory(TSchemeClient& schemeClient, const TString& path, const TRemoveDirectorySettings& settings) {
     return RetryFunction([&]() -> TStatus {
-        return schemeClient.MakeDirectory(path, settings).GetValueSync(); 
-    }); 
-} 
- 
-TStatus RemoveDirectory(TSchemeClient& schemeClient, const TString& path, const TRemoveDirectorySettings& settings) { 
-    return RetryFunction([&]() -> TStatus { 
         return schemeClient.RemoveDirectory(path, settings).GetValueSync();
     });
 }
 
 TStatus RemoveDirectoryRecursive(
-        TTableClient& tableClient, 
-        TSchemeClient& schemeClient, 
+        TTableClient& tableClient,
+        TSchemeClient& schemeClient,
         const TString& path,
-        const TRemoveDirectorySettings& settings, 
+        const TRemoveDirectorySettings& settings,
         bool removeSelf) {
 
-    auto recursiveListResult = NConsoleClient::RecursiveList(schemeClient, path, {}, removeSelf); 
+    auto recursiveListResult = NConsoleClient::RecursiveList(schemeClient, path, {}, removeSelf);
     if (!recursiveListResult.Status.IsSuccess()) {
         return recursiveListResult.Status;
     }
@@ -108,17 +108,17 @@ TStatus RemoveDirectoryRecursive(
     for (auto it = recursiveListResult.Entries.rbegin(); it != recursiveListResult.Entries.rend(); ++it) {
         const auto& entry = *it;
         switch (entry.Type) {
-            case ESchemeEntryType::Directory: { 
-                auto result = RemoveDirectory(schemeClient, entry.Name, settings); 
+            case ESchemeEntryType::Directory: {
+                auto result = RemoveDirectory(schemeClient, entry.Name, settings);
                 if (!result.IsSuccess()) {
                     return result;
                 }
                 break;
             }
-            case ESchemeEntryType::Table: { 
-                auto result = tableClient.RetryOperationSync([path = entry.Name](TSession session) { 
-                    return session.DropTable(path).GetValueSync(); 
-                }); 
+            case ESchemeEntryType::Table: {
+                auto result = tableClient.RetryOperationSync([path = entry.Name](TSession session) {
+                    return session.DropTable(path).GetValueSync();
+                });
                 if (!result.IsSuccess()) {
                     return result;
                 }
@@ -132,5 +132,5 @@ TStatus RemoveDirectoryRecursive(
     return TStatus(EStatus::SUCCESS, {});
 }
 
-} // NDump 
-} // NYdb 
+} // NDump
+} // NYdb
diff --git a/ydb/public/lib/ydb_cli/dump/util/util.h b/ydb/public/lib/ydb_cli/dump/util/util.h
index c1c92f476d..d5e8fc3b97 100644
--- a/ydb/public/lib/ydb_cli/dump/util/util.h
+++ b/ydb/public/lib/ydb_cli/dump/util/util.h
@@ -1,53 +1,53 @@
-#pragma once 
- 
+#pragma once
+
 #include <ydb/public/sdk/cpp/client/ydb_types/status/status.h>
 #include <ydb/public/sdk/cpp/client/ydb_scheme/scheme.h>
 #include <ydb/public/sdk/cpp/client/ydb_table/table.h>
- 
-#include <util/generic/maybe.h> 
- 
-namespace NYdb { 
-namespace NDump { 
- 
-template <typename TResult> 
-inline TResult Result(EStatus code = EStatus::SUCCESS, const TString& error = {}) { 
-    NYql::TIssues issues; 
-    if (error) { 
-        issues.AddIssue(NYql::TIssue(error)); 
-    } 
+
+#include <util/generic/maybe.h>
+
+namespace NYdb {
+namespace NDump {
+
+template <typename TResult>
+inline TResult Result(EStatus code = EStatus::SUCCESS, const TString& error = {}) {
+    NYql::TIssues issues;
+    if (error) {
+        issues.AddIssue(NYql::TIssue(error));
+    }
     return TResult(TStatus(code, std::move(issues)));
-} 
- 
-template <typename TResult> 
-inline TResult Result(TStatus&& status) { 
-    return TResult(std::move(status)); 
-} 
- 
-TStatus DescribeTable(NTable::TTableClient& tableClient, const TString& path, TMaybe<NTable::TTableDescription>& out); 
- 
-void ExponentialBackoff(TDuration& sleep, TDuration max = TDuration::Minutes(5)); 
- 
-NScheme::TDescribePathResult DescribePath( 
-    NScheme::TSchemeClient& schemeClient, 
-    const TString& path, 
-    const NScheme::TDescribePathSettings& settings = {}); 
-
-TStatus MakeDirectory( 
-    NScheme::TSchemeClient& schemeClient, 
-    const TString& path, 
-    const NScheme::TMakeDirectorySettings& settings = {}); 
- 
-TStatus RemoveDirectory( 
-    NScheme::TSchemeClient& schemeClient, 
-    const TString& path, 
-    const NScheme::TRemoveDirectorySettings& settings = {}); 
+}
+
+template <typename TResult>
+inline TResult Result(TStatus&& status) {
+    return TResult(std::move(status));
+}
+
+TStatus DescribeTable(NTable::TTableClient& tableClient, const TString& path, TMaybe<NTable::TTableDescription>& out);
+
+void ExponentialBackoff(TDuration& sleep, TDuration max = TDuration::Minutes(5));
+
+NScheme::TDescribePathResult DescribePath(
+    NScheme::TSchemeClient& schemeClient,
+    const TString& path,
+    const NScheme::TDescribePathSettings& settings = {});
+
+TStatus MakeDirectory(
+    NScheme::TSchemeClient& schemeClient,
+    const TString& path,
+    const NScheme::TMakeDirectorySettings& settings = {});
+
+TStatus RemoveDirectory(
+    NScheme::TSchemeClient& schemeClient,
+    const TString& path,
+    const NScheme::TRemoveDirectorySettings& settings = {});
 
 TStatus RemoveDirectoryRecursive(
-    NTable::TTableClient& tableClient, 
-    NScheme::TSchemeClient& schemeClient, 
-    const TString& path, 
-    const NScheme::TRemoveDirectorySettings& settings = {}, 
-    bool removeSelf = true); 
-
-} // NDump 
-} // NYdb 
+    NTable::TTableClient& tableClient,
+    NScheme::TSchemeClient& schemeClient,
+    const TString& path,
+    const NScheme::TRemoveDirectorySettings& settings = {},
+    bool removeSelf = true);
+
+} // NDump
+} // NYdb
diff --git a/ydb/public/lib/ydb_cli/dump/util/ya.make b/ydb/public/lib/ydb_cli/dump/util/ya.make
index 622e24572d..24a3a5f257 100644
--- a/ydb/public/lib/ydb_cli/dump/util/ya.make
+++ b/ydb/public/lib/ydb_cli/dump/util/ya.make
@@ -16,4 +16,4 @@ PEERDIR(
     ydb/public/sdk/cpp/client/ydb_types/status
 )
 
-END() 
+END()
diff --git a/ydb/public/lib/ydb_cli/dump/ya.make b/ydb/public/lib/ydb_cli/dump/ya.make
index 740768b9ff..b85766bb39 100644
--- a/ydb/public/lib/ydb_cli/dump/ya.make
+++ b/ydb/public/lib/ydb_cli/dump/ya.make
@@ -1,19 +1,19 @@
-LIBRARY() 
- 
-OWNER( 
-    ilnaz 
-    g:kikimr 
-) 
- 
-SRCS( 
+LIBRARY()
+
+OWNER(
+    ilnaz
+    g:kikimr
+)
+
+SRCS(
     dump.cpp
     dump_impl.cpp
     restore_impl.cpp
     restore_import_data.cpp
     restore_compat.cpp
-) 
- 
-PEERDIR( 
+)
+
+PEERDIR(
     library/cpp/bucket_quoter
     library/cpp/string_utils/quote
     ydb/library/backup
@@ -21,6 +21,6 @@ PEERDIR(
     ydb/public/lib/ydb_cli/common
     ydb/public/lib/ydb_cli/dump/util
     ydb/public/sdk/cpp/client/ydb_proto
-) 
- 
-END() 
+)
+
+END()
diff --git a/ydb/public/sdk/cpp/client/ydb_common_client/impl/client.h b/ydb/public/sdk/cpp/client/ydb_common_client/impl/client.h
index 16ac4789e3..c43e9aab69 100644
--- a/ydb/public/sdk/cpp/client/ydb_common_client/impl/client.h
+++ b/ydb/public/sdk/cpp/client/ydb_common_client/impl/client.h
@@ -66,7 +66,7 @@ protected:
                 promise.SetValue(std::move(st));
             };
 
-        Connections_->RunDeferred<TService, TRequest, TResponse>( 
+        Connections_->RunDeferred<TService, TRequest, TResponse>(
             std::move(request),
             extractor,
             rpc,
@@ -79,37 +79,37 @@ protected:
         return promise.GetFuture();
     }
 
-    template<typename TService, typename TRequest, typename TResponse, typename TOp> 
-    NThreading::TFuture<TOp> RunOperation( 
-        TRequest&& request, 
-        TAsyncRequest<TService, TRequest, TResponse> rpc, 
+    template<typename TService, typename TRequest, typename TResponse, typename TOp>
+    NThreading::TFuture<TOp> RunOperation(
+        TRequest&& request,
+        TAsyncRequest<TService, TRequest, TResponse> rpc,
         const TRpcRequestSettings& requestSettings = {},
-        TDuration timeout = TDuration::Zero()) 
-    { 
-        auto promise = NThreading::NewPromise<TOp>(); 
- 
+        TDuration timeout = TDuration::Zero())
+    {
+        auto promise = NThreading::NewPromise<TOp>();
+
         auto extractor = [promise]
             (Ydb::Operations::Operation* operation, TPlainStatus status) mutable {
                 TStatus st(std::move(status));
-                if (!operation) { 
-                    promise.SetValue(TOp(std::move(st))); 
-                } else { 
-                    promise.SetValue(TOp(std::move(st), std::move(*operation))); 
-                } 
-            }; 
- 
-        Connections_->RunDeferred<TService, TRequest, TResponse>( 
-            std::move(request), 
-            extractor, 
-            rpc, 
-            DbDriverState_, 
+                if (!operation) {
+                    promise.SetValue(TOp(std::move(st)));
+                } else {
+                    promise.SetValue(TOp(std::move(st), std::move(*operation)));
+                }
+            };
+
+        Connections_->RunDeferred<TService, TRequest, TResponse>(
+            std::move(request),
+            extractor,
+            rpc,
+            DbDriverState_,
             INITIAL_DEFERRED_CALL_DELAY,
             requestSettings,
-            timeout); 
- 
-        return promise.GetFuture(); 
-    } 
- 
+            timeout);
+
+        return promise.GetFuture();
+    }
+
 protected:
     std::shared_ptr<TGRpcConnectionsImpl> Connections_;
     TDbDriverStatePtr DbDriverState_;
diff --git a/ydb/public/sdk/cpp/client/ydb_driver/driver.h b/ydb/public/sdk/cpp/client/ydb_driver/driver.h
index 54438330a9..39c91d8852 100644
--- a/ydb/public/sdk/cpp/client/ydb_driver/driver.h
+++ b/ydb/public/sdk/cpp/client/ydb_driver/driver.h
@@ -8,7 +8,7 @@
 #include <ydb/public/sdk/cpp/client/ydb_types/status/status.h>
 
 #include <library/cpp/logger/backend.h>
- 
+
 ////////////////////////////////////////////////////////////////////////////////
 
 namespace NYdb {
diff --git a/ydb/public/sdk/cpp/client/ydb_export/export.cpp b/ydb/public/sdk/cpp/client/ydb_export/export.cpp
index f12b927882..c391c033e1 100644
--- a/ydb/public/sdk/cpp/client/ydb_export/export.cpp
+++ b/ydb/public/sdk/cpp/client/ydb_export/export.cpp
@@ -1,5 +1,5 @@
 #include "export.h"
- 
+
 #define INCLUDE_YDB_INTERNAL_H
 #include <ydb/public/sdk/cpp/client/impl/ydb_internal/make_request/make.h>
 #undef INCLUDE_YDB_INTERNAL_H
@@ -13,187 +13,187 @@
 #include <google/protobuf/repeated_field.h>
 #include <google/protobuf/timestamp.pb.h>
 
-namespace NYdb { 
-namespace NExport { 
- 
-using namespace NThreading; 
-using namespace Ydb::Export; 
- 
-/// Common 
-namespace { 
- 
-TInstant ProtoTimestampToInstant(const NProtoBuf::Timestamp& timestamp) { 
-    ui64 us = timestamp.seconds() * 1000000; 
-    us += timestamp.nanos() / 1000; 
-    return TInstant::MicroSeconds(us); 
-} 
- 
-TVector<TExportItemProgress> ItemsProgressFromProto(const google::protobuf::RepeatedPtrField<ExportItemProgress>& proto) { 
-    TVector<TExportItemProgress> result(Reserve(proto.size())); 
- 
-    for (const auto& protoItem : proto) { 
-        auto& item = result.emplace_back(); 
-        item.PartsTotal = protoItem.parts_total(); 
-        item.PartsCompleted = protoItem.parts_completed(); 
-        item.StartTime = ProtoTimestampToInstant(protoItem.start_time()); 
-        item.EndTime = ProtoTimestampToInstant(protoItem.end_time()); 
-    } 
- 
-    return result; 
-} 
- 
-} // anonymous 
- 
-/// YT 
-TExportToYtResponse::TExportToYtResponse(TStatus&& status, Ydb::Operations::Operation&& operation) 
-    : TOperation(std::move(status), std::move(operation)) 
-{ 
-    ExportToYtMetadata metadata; 
-    GetProto().metadata().UnpackTo(&metadata); 
- 
-    // settings 
-    Metadata_.Settings.Host(metadata.settings().host()); 
-    Metadata_.Settings.Port(metadata.settings().port()); 
-    Metadata_.Settings.Token(metadata.settings().token()); 
- 
-    for (const auto& item : metadata.settings().items()) { 
-        Metadata_.Settings.AppendItem({item.source_path(), item.destination_path()}); 
-    } 
- 
-    Metadata_.Settings.Description(metadata.settings().description()); 
-    Metadata_.Settings.NumberOfRetries(metadata.settings().number_of_retries()); 
-    Metadata_.Settings.UseTypeV3(metadata.settings().use_type_v3()); 
- 
-    // progress 
-    Metadata_.Progress = TProtoAccessor::FromProto(metadata.progress()); 
-    Metadata_.ItemsProgress = ItemsProgressFromProto(metadata.items_progress()); 
-} 
- 
-const TExportToYtResponse::TMetadata& TExportToYtResponse::Metadata() const { 
-    return Metadata_; 
-} 
- 
-/// S3 
-TExportToS3Response::TExportToS3Response(TStatus&& status, Ydb::Operations::Operation&& operation) 
-    : TOperation(std::move(status), std::move(operation)) 
-{ 
-    ExportToS3Metadata metadata; 
-    GetProto().metadata().UnpackTo(&metadata); 
- 
-    // settings 
-    Metadata_.Settings.Endpoint(metadata.settings().endpoint()); 
-    Metadata_.Settings.Scheme(TProtoAccessor::FromProto<ExportToS3Settings>(metadata.settings().scheme())); 
-    Metadata_.Settings.StorageClass(TProtoAccessor::FromProto(metadata.settings().storage_class())); 
-    Metadata_.Settings.Bucket(metadata.settings().bucket()); 
-    Metadata_.Settings.AccessKey(metadata.settings().access_key()); 
-    Metadata_.Settings.SecretKey(metadata.settings().secret_key()); 
- 
-    for (const auto& item : metadata.settings().items()) { 
-        Metadata_.Settings.AppendItem({item.source_path(), item.destination_prefix()}); 
-    } 
- 
-    Metadata_.Settings.Description(metadata.settings().description()); 
-    Metadata_.Settings.NumberOfRetries(metadata.settings().number_of_retries()); 
- 
-    // progress 
-    Metadata_.Progress = TProtoAccessor::FromProto(metadata.progress()); 
-    Metadata_.ItemsProgress = ItemsProgressFromProto(metadata.items_progress()); 
-} 
- 
-const TExportToS3Response::TMetadata& TExportToS3Response::Metadata() const { 
-    return Metadata_; 
-} 
- 
-//////////////////////////////////////////////////////////////////////////////// 
- 
-class TExportClient::TImpl : public TClientImplCommon<TExportClient::TImpl> { 
-public: 
-    TImpl(std::shared_ptr<TGRpcConnectionsImpl>&& connections, const TCommonClientSettings& settings) 
+namespace NYdb {
+namespace NExport {
+
+using namespace NThreading;
+using namespace Ydb::Export;
+
+/// Common
+namespace {
+
+TInstant ProtoTimestampToInstant(const NProtoBuf::Timestamp& timestamp) {
+    ui64 us = timestamp.seconds() * 1000000;
+    us += timestamp.nanos() / 1000;
+    return TInstant::MicroSeconds(us);
+}
+
+TVector<TExportItemProgress> ItemsProgressFromProto(const google::protobuf::RepeatedPtrField<ExportItemProgress>& proto) {
+    TVector<TExportItemProgress> result(Reserve(proto.size()));
+
+    for (const auto& protoItem : proto) {
+        auto& item = result.emplace_back();
+        item.PartsTotal = protoItem.parts_total();
+        item.PartsCompleted = protoItem.parts_completed();
+        item.StartTime = ProtoTimestampToInstant(protoItem.start_time());
+        item.EndTime = ProtoTimestampToInstant(protoItem.end_time());
+    }
+
+    return result;
+}
+
+} // anonymous
+
+/// YT
+TExportToYtResponse::TExportToYtResponse(TStatus&& status, Ydb::Operations::Operation&& operation)
+    : TOperation(std::move(status), std::move(operation))
+{
+    ExportToYtMetadata metadata;
+    GetProto().metadata().UnpackTo(&metadata);
+
+    // settings
+    Metadata_.Settings.Host(metadata.settings().host());
+    Metadata_.Settings.Port(metadata.settings().port());
+    Metadata_.Settings.Token(metadata.settings().token());
+
+    for (const auto& item : metadata.settings().items()) {
+        Metadata_.Settings.AppendItem({item.source_path(), item.destination_path()});
+    }
+
+    Metadata_.Settings.Description(metadata.settings().description());
+    Metadata_.Settings.NumberOfRetries(metadata.settings().number_of_retries());
+    Metadata_.Settings.UseTypeV3(metadata.settings().use_type_v3());
+
+    // progress
+    Metadata_.Progress = TProtoAccessor::FromProto(metadata.progress());
+    Metadata_.ItemsProgress = ItemsProgressFromProto(metadata.items_progress());
+}
+
+const TExportToYtResponse::TMetadata& TExportToYtResponse::Metadata() const {
+    return Metadata_;
+}
+
+/// S3
+TExportToS3Response::TExportToS3Response(TStatus&& status, Ydb::Operations::Operation&& operation)
+    : TOperation(std::move(status), std::move(operation))
+{
+    ExportToS3Metadata metadata;
+    GetProto().metadata().UnpackTo(&metadata);
+
+    // settings
+    Metadata_.Settings.Endpoint(metadata.settings().endpoint());
+    Metadata_.Settings.Scheme(TProtoAccessor::FromProto<ExportToS3Settings>(metadata.settings().scheme()));
+    Metadata_.Settings.StorageClass(TProtoAccessor::FromProto(metadata.settings().storage_class()));
+    Metadata_.Settings.Bucket(metadata.settings().bucket());
+    Metadata_.Settings.AccessKey(metadata.settings().access_key());
+    Metadata_.Settings.SecretKey(metadata.settings().secret_key());
+
+    for (const auto& item : metadata.settings().items()) {
+        Metadata_.Settings.AppendItem({item.source_path(), item.destination_prefix()});
+    }
+
+    Metadata_.Settings.Description(metadata.settings().description());
+    Metadata_.Settings.NumberOfRetries(metadata.settings().number_of_retries());
+
+    // progress
+    Metadata_.Progress = TProtoAccessor::FromProto(metadata.progress());
+    Metadata_.ItemsProgress = ItemsProgressFromProto(metadata.items_progress());
+}
+
+const TExportToS3Response::TMetadata& TExportToS3Response::Metadata() const {
+    return Metadata_;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
+class TExportClient::TImpl : public TClientImplCommon<TExportClient::TImpl> {
+public:
+    TImpl(std::shared_ptr<TGRpcConnectionsImpl>&& connections, const TCommonClientSettings& settings)
         : TClientImplCommon(std::move(connections), settings)
-    { 
-    } 
- 
-    TFuture<TExportToYtResponse> ExportToYt(ExportToYtRequest&& request, 
+    {
+    }
+
+    TFuture<TExportToYtResponse> ExportToYt(ExportToYtRequest&& request,
         const TExportToYtSettings& settings)
-    { 
-        return RunOperation<V1::ExportService, ExportToYtRequest, ExportToYtResponse, TExportToYtResponse>( 
-            std::move(request), 
-            &V1::ExportService::Stub::AsyncExportToYt, 
+    {
+        return RunOperation<V1::ExportService, ExportToYtRequest, ExportToYtResponse, TExportToYtResponse>(
+            std::move(request),
+            &V1::ExportService::Stub::AsyncExportToYt,
             TRpcRequestSettings::Make(settings),
             settings.ClientTimeout_);
-    } 
- 
-    TFuture<TExportToS3Response> ExportToS3(ExportToS3Request&& request, 
+    }
+
+    TFuture<TExportToS3Response> ExportToS3(ExportToS3Request&& request,
         const TExportToS3Settings& settings)
-    { 
-        return RunOperation<V1::ExportService, ExportToS3Request, ExportToS3Response, TExportToS3Response>( 
-            std::move(request), 
-            &V1::ExportService::Stub::AsyncExportToS3, 
+    {
+        return RunOperation<V1::ExportService, ExportToS3Request, ExportToS3Response, TExportToS3Response>(
+            std::move(request),
+            &V1::ExportService::Stub::AsyncExportToS3,
             TRpcRequestSettings::Make(settings),
             settings.ClientTimeout_);
-    } 
- 
-}; 
- 
-//////////////////////////////////////////////////////////////////////////////// 
- 
-TExportClient::TExportClient(const TDriver& driver, const TCommonClientSettings& settings) 
-    : Impl_(new TImpl(CreateInternalInterface(driver), settings)) 
-{ 
-} 
- 
-TFuture<TExportToYtResponse> TExportClient::ExportToYt(const TExportToYtSettings& settings) { 
-    auto request = MakeOperationRequest<ExportToYtRequest>(settings); 
- 
-    request.mutable_settings()->set_host(settings.Host_); 
-    request.mutable_settings()->set_port(settings.Port_.GetOrElse(80)); 
-    request.mutable_settings()->set_token(settings.Token_); 
- 
-    for (const auto& item : settings.Item_) { 
-        auto& protoItem = *request.mutable_settings()->mutable_items()->Add(); 
-        protoItem.set_source_path(item.Src); 
-        protoItem.set_destination_path(item.Dst); 
-    } 
- 
-    if (settings.Description_) { 
-        request.mutable_settings()->set_description(settings.Description_.GetRef()); 
-    } 
- 
-    if (settings.NumberOfRetries_) { 
-        request.mutable_settings()->set_number_of_retries(settings.NumberOfRetries_.GetRef()); 
-    } 
- 
-    request.mutable_settings()->set_use_type_v3(settings.UseTypeV3_); 
- 
+    }
+
+};
+
+////////////////////////////////////////////////////////////////////////////////
+
+TExportClient::TExportClient(const TDriver& driver, const TCommonClientSettings& settings)
+    : Impl_(new TImpl(CreateInternalInterface(driver), settings))
+{
+}
+
+TFuture<TExportToYtResponse> TExportClient::ExportToYt(const TExportToYtSettings& settings) {
+    auto request = MakeOperationRequest<ExportToYtRequest>(settings);
+
+    request.mutable_settings()->set_host(settings.Host_);
+    request.mutable_settings()->set_port(settings.Port_.GetOrElse(80));
+    request.mutable_settings()->set_token(settings.Token_);
+
+    for (const auto& item : settings.Item_) {
+        auto& protoItem = *request.mutable_settings()->mutable_items()->Add();
+        protoItem.set_source_path(item.Src);
+        protoItem.set_destination_path(item.Dst);
+    }
+
+    if (settings.Description_) {
+        request.mutable_settings()->set_description(settings.Description_.GetRef());
+    }
+
+    if (settings.NumberOfRetries_) {
+        request.mutable_settings()->set_number_of_retries(settings.NumberOfRetries_.GetRef());
+    }
+
+    request.mutable_settings()->set_use_type_v3(settings.UseTypeV3_);
+
     return Impl_->ExportToYt(std::move(request), settings);
-} 
- 
-TFuture<TExportToS3Response> TExportClient::ExportToS3(const TExportToS3Settings& settings) { 
-    auto request = MakeOperationRequest<ExportToS3Request>(settings); 
- 
-    request.mutable_settings()->set_endpoint(settings.Endpoint_); 
-    request.mutable_settings()->set_scheme(TProtoAccessor::GetProto<ExportToS3Settings>(settings.Scheme_)); 
-    request.mutable_settings()->set_storage_class(TProtoAccessor::GetProto(settings.StorageClass_)); 
-    request.mutable_settings()->set_bucket(settings.Bucket_); 
-    request.mutable_settings()->set_access_key(settings.AccessKey_); 
-    request.mutable_settings()->set_secret_key(settings.SecretKey_); 
- 
-    for (const auto& item : settings.Item_) { 
-        auto& protoItem = *request.mutable_settings()->mutable_items()->Add(); 
-        protoItem.set_source_path(item.Src); 
-        protoItem.set_destination_prefix(item.Dst); 
-    } 
- 
-    if (settings.Description_) { 
-        request.mutable_settings()->set_description(settings.Description_.GetRef()); 
-    } 
- 
-    if (settings.NumberOfRetries_) { 
-        request.mutable_settings()->set_number_of_retries(settings.NumberOfRetries_.GetRef()); 
-    } 
- 
+}
+
+TFuture<TExportToS3Response> TExportClient::ExportToS3(const TExportToS3Settings& settings) {
+    auto request = MakeOperationRequest<ExportToS3Request>(settings);
+
+    request.mutable_settings()->set_endpoint(settings.Endpoint_);
+    request.mutable_settings()->set_scheme(TProtoAccessor::GetProto<ExportToS3Settings>(settings.Scheme_));
+    request.mutable_settings()->set_storage_class(TProtoAccessor::GetProto(settings.StorageClass_));
+    request.mutable_settings()->set_bucket(settings.Bucket_);
+    request.mutable_settings()->set_access_key(settings.AccessKey_);
+    request.mutable_settings()->set_secret_key(settings.SecretKey_);
+
+    for (const auto& item : settings.Item_) {
+        auto& protoItem = *request.mutable_settings()->mutable_items()->Add();
+        protoItem.set_source_path(item.Src);
+        protoItem.set_destination_prefix(item.Dst);
+    }
+
+    if (settings.Description_) {
+        request.mutable_settings()->set_description(settings.Description_.GetRef());
+    }
+
+    if (settings.NumberOfRetries_) {
+        request.mutable_settings()->set_number_of_retries(settings.NumberOfRetries_.GetRef());
+    }
+
     return Impl_->ExportToS3(std::move(request), settings);
-} 
- 
-} // namespace NExport 
-} // namespace NYdb 
+}
+
+} // namespace NExport
+} // namespace NYdb
diff --git a/ydb/public/sdk/cpp/client/ydb_export/export.h b/ydb/public/sdk/cpp/client/ydb_export/export.h
index fdd250f727..38225e36aa 100644
--- a/ydb/public/sdk/cpp/client/ydb_export/export.h
+++ b/ydb/public/sdk/cpp/client/ydb_export/export.h
@@ -1,136 +1,136 @@
-#pragma once 
- 
+#pragma once
+
 #include <ydb/public/sdk/cpp/client/ydb_driver/driver.h>
 #include <ydb/public/sdk/cpp/client/ydb_types/operation/operation.h>
- 
+
 #include <ydb/public/sdk/cpp/client/ydb_types/s3_settings.h>
- 
-namespace NYdb { 
-namespace NExport { 
- 
-/// Common 
-enum class EExportProgress { 
-    Unspecified = 0, 
-    Preparing = 1, 
-    TransferData = 2, 
-    Done = 3, 
-    Cancellation = 4, 
-    Cancelled = 5, 
- 
-    Unknown = Max<int>(), 
-}; 
- 
-struct TExportItemProgress { 
-    ui32 PartsTotal; 
-    ui32 PartsCompleted; 
-    TInstant StartTime; 
-    TInstant EndTime; 
-}; 
- 
-/// YT 
-struct TExportToYtSettings : public TOperationRequestSettings<TExportToYtSettings> { 
-    struct TItem { 
-        TString Src; 
-        TString Dst; 
-    }; 
- 
-    FLUENT_SETTING(TString, Host); 
-    FLUENT_SETTING_OPTIONAL(ui16, Port); 
-    FLUENT_SETTING(TString, Token); 
-    FLUENT_SETTING_VECTOR(TItem, Item); 
-    FLUENT_SETTING_OPTIONAL(TString, Description); 
-    FLUENT_SETTING_OPTIONAL(ui32, NumberOfRetries); 
-    FLUENT_SETTING_DEFAULT(bool, UseTypeV3, false); 
-}; 
- 
-class TExportToYtResponse : public TOperation { 
-public: 
-    struct TMetadata { 
-        TExportToYtSettings Settings; 
-        EExportProgress Progress; 
-        TVector<TExportItemProgress> ItemsProgress; 
-    }; 
- 
-public: 
-    using TOperation::TOperation; 
-    TExportToYtResponse(TStatus&& status, Ydb::Operations::Operation&& operation); 
- 
-    const TMetadata& Metadata() const; 
- 
-private: 
-    TMetadata Metadata_; 
-}; 
- 
-/// S3 
-struct TExportToS3Settings : public TOperationRequestSettings<TExportToS3Settings>, 
-                             public TS3Settings<TExportToS3Settings> { 
-    using TSelf = TExportToS3Settings; 
- 
-    enum class EStorageClass { 
-        NOT_SET = 0, 
-        STANDARD = 1, 
-        REDUCED_REDUNDANCY = 2, 
-        STANDARD_IA = 3, 
-        ONEZONE_IA = 4, 
-        INTELLIGENT_TIERING = 5, 
-        GLACIER = 6, 
-        DEEP_ARCHIVE = 7, 
-        OUTPOSTS = 8, 
- 
-        UNKNOWN = Max<int>(), 
-    }; 
- 
-    struct TItem { 
-        TString Src; 
-        TString Dst; 
-    }; 
- 
-    FLUENT_SETTING_DEFAULT(EStorageClass, StorageClass, EStorageClass::NOT_SET); 
-    FLUENT_SETTING_VECTOR(TItem, Item); 
-    FLUENT_SETTING_OPTIONAL(TString, Description); 
-    FLUENT_SETTING_OPTIONAL(ui32, NumberOfRetries); 
-}; 
- 
-class TExportToS3Response : public TOperation { 
-public: 
-    struct TMetadata { 
-        TExportToS3Settings Settings; 
-        EExportProgress Progress; 
-        TVector<TExportItemProgress> ItemsProgress; 
-    }; 
- 
-public: 
-    using TOperation::TOperation; 
-    TExportToS3Response(TStatus&& status, Ydb::Operations::Operation&& operation); 
- 
-    const TMetadata& Metadata() const; 
- 
-private: 
-    TMetadata Metadata_; 
-}; 
- 
-class TExportClient { 
-    class TImpl; 
- 
-public: 
-    TExportClient(const TDriver& driver, const TCommonClientSettings& settings = TCommonClientSettings()); 
- 
-    NThreading::TFuture<TExportToYtResponse> ExportToYt(const TExportToYtSettings& settings); 
-    NThreading::TFuture<TExportToS3Response> ExportToS3(const TExportToS3Settings& settings); 
- 
-private: 
-    std::shared_ptr<TImpl> Impl_; 
-}; 
- 
-} // namespace NExport 
-} // namespace NYdb 
- 
-template<> 
-inline void Out<NYdb::NExport::TExportToYtResponse>(IOutputStream& o, const NYdb::NExport::TExportToYtResponse& x) { 
-    return x.Out(o); 
-} 
- 
-template<> 
-inline void Out<NYdb::NExport::TExportToS3Response>(IOutputStream& o, const NYdb::NExport::TExportToS3Response& x) { 
-    return x.Out(o); 
-} 
+
+namespace NYdb {
+namespace NExport {
+
+/// Common
+enum class EExportProgress {
+    Unspecified = 0,
+    Preparing = 1,
+    TransferData = 2,
+    Done = 3,
+    Cancellation = 4,
+    Cancelled = 5,
+
+    Unknown = Max<int>(),
+};
+
+struct TExportItemProgress {
+    ui32 PartsTotal;
+    ui32 PartsCompleted;
+    TInstant StartTime;
+    TInstant EndTime;
+};
+
+/// YT
+struct TExportToYtSettings : public TOperationRequestSettings<TExportToYtSettings> {
+    struct TItem {
+        TString Src;
+        TString Dst;
+    };
+
+    FLUENT_SETTING(TString, Host);
+    FLUENT_SETTING_OPTIONAL(ui16, Port);
+    FLUENT_SETTING(TString, Token);
+    FLUENT_SETTING_VECTOR(TItem, Item);
+    FLUENT_SETTING_OPTIONAL(TString, Description);
+    FLUENT_SETTING_OPTIONAL(ui32, NumberOfRetries);
+    FLUENT_SETTING_DEFAULT(bool, UseTypeV3, false);
+};
+
+class TExportToYtResponse : public TOperation {
+public:
+    struct TMetadata {
+        TExportToYtSettings Settings;
+        EExportProgress Progress;
+        TVector<TExportItemProgress> ItemsProgress;
+    };
+
+public:
+    using TOperation::TOperation;
+    TExportToYtResponse(TStatus&& status, Ydb::Operations::Operation&& operation);
+
+    const TMetadata& Metadata() const;
+
+private:
+    TMetadata Metadata_;
+};
+
+/// S3
+struct TExportToS3Settings : public TOperationRequestSettings<TExportToS3Settings>,
+                             public TS3Settings<TExportToS3Settings> {
+    using TSelf = TExportToS3Settings;
+
+    enum class EStorageClass {
+        NOT_SET = 0,
+        STANDARD = 1,
+        REDUCED_REDUNDANCY = 2,
+        STANDARD_IA = 3,
+        ONEZONE_IA = 4,
+        INTELLIGENT_TIERING = 5,
+        GLACIER = 6,
+        DEEP_ARCHIVE = 7,
+        OUTPOSTS = 8,
+
+        UNKNOWN = Max<int>(),
+    };
+
+    struct TItem {
+        TString Src;
+        TString Dst;
+    };
+
+    FLUENT_SETTING_DEFAULT(EStorageClass, StorageClass, EStorageClass::NOT_SET);
+    FLUENT_SETTING_VECTOR(TItem, Item);
+    FLUENT_SETTING_OPTIONAL(TString, Description);
+    FLUENT_SETTING_OPTIONAL(ui32, NumberOfRetries);
+};
+
+class TExportToS3Response : public TOperation {
+public:
+    struct TMetadata {
+        TExportToS3Settings Settings;
+        EExportProgress Progress;
+        TVector<TExportItemProgress> ItemsProgress;
+    };
+
+public:
+    using TOperation::TOperation;
+    TExportToS3Response(TStatus&& status, Ydb::Operations::Operation&& operation);
+
+    const TMetadata& Metadata() const;
+
+private:
+    TMetadata Metadata_;
+};
+
+class TExportClient {
+    class TImpl;
+
+public:
+    TExportClient(const TDriver& driver, const TCommonClientSettings& settings = TCommonClientSettings());
+
+    NThreading::TFuture<TExportToYtResponse> ExportToYt(const TExportToYtSettings& settings);
+    NThreading::TFuture<TExportToS3Response> ExportToS3(const TExportToS3Settings& settings);
+
+private:
+    std::shared_ptr<TImpl> Impl_;
+};
+
+} // namespace NExport
+} // namespace NYdb
+
+template<>
+inline void Out<NYdb::NExport::TExportToYtResponse>(IOutputStream& o, const NYdb::NExport::TExportToYtResponse& x) {
+    return x.Out(o);
+}
+
+template<>
+inline void Out<NYdb::NExport::TExportToS3Response>(IOutputStream& o, const NYdb::NExport::TExportToS3Response& x) {
+    return x.Out(o);
+}
diff --git a/ydb/public/sdk/cpp/client/ydb_import/import.cpp b/ydb/public/sdk/cpp/client/ydb_import/import.cpp
index e313c30e9c..f0a55678ef 100644
--- a/ydb/public/sdk/cpp/client/ydb_import/import.cpp
+++ b/ydb/public/sdk/cpp/client/ydb_import/import.cpp
@@ -1,5 +1,5 @@
 #include "import.h"
- 
+
 #define INCLUDE_YDB_INTERNAL_H
 #include <ydb/public/sdk/cpp/client/impl/ydb_internal/make_request/make.h>
 #undef INCLUDE_YDB_INTERNAL_H
@@ -9,168 +9,168 @@
 #include <ydb/public/api/protos/ydb_import.pb.h>
 #include <ydb/public/sdk/cpp/client/ydb_common_client/impl/client.h>
 #include <ydb/public/sdk/cpp/client/ydb_proto/accessor.h>
- 
-namespace NYdb { 
-namespace NImport { 
- 
-using namespace NThreading; 
-using namespace Ydb::Import; 
- 
-/// Common 
-namespace { 
- 
-TInstant ProtoTimestampToInstant(const NProtoBuf::Timestamp& timestamp) { 
-    ui64 us = timestamp.seconds() * 1000000; 
-    us += timestamp.nanos() / 1000; 
-    return TInstant::MicroSeconds(us); 
-} 
- 
-TVector<TImportItemProgress> ItemsProgressFromProto(const google::protobuf::RepeatedPtrField<Ydb::Import::ImportItemProgress>& proto) { 
-    TVector<TImportItemProgress> result(Reserve(proto.size())); 
- 
-    for (const auto& protoItem : proto) { 
-        auto& item = result.emplace_back(); 
-        item.PartsTotal = protoItem.parts_total(); 
-        item.PartsCompleted = protoItem.parts_completed(); 
-        item.StartTime = ProtoTimestampToInstant(protoItem.start_time()); 
-        item.EndTime = ProtoTimestampToInstant(protoItem.end_time()); 
-    } 
- 
-    return result; 
-} 
- 
-} // anonymous 
- 
-/// S3 
-TImportFromS3Response::TImportFromS3Response(TStatus&& status, Ydb::Operations::Operation&& operation) 
-    : TOperation(std::move(status), std::move(operation)) 
-{ 
-    ImportFromS3Metadata metadata; 
-    GetProto().metadata().UnpackTo(&metadata); 
- 
-    // settings 
-    Metadata_.Settings.Endpoint(metadata.settings().endpoint()); 
-    Metadata_.Settings.Scheme(TProtoAccessor::FromProto<ImportFromS3Settings>(metadata.settings().scheme())); 
-    Metadata_.Settings.Bucket(metadata.settings().bucket()); 
-    Metadata_.Settings.AccessKey(metadata.settings().access_key()); 
-    Metadata_.Settings.SecretKey(metadata.settings().secret_key()); 
- 
-    for (const auto& item : metadata.settings().items()) { 
-        Metadata_.Settings.AppendItem({item.source_prefix(), item.destination_path()}); 
-    } 
- 
-    Metadata_.Settings.Description(metadata.settings().description()); 
-    Metadata_.Settings.NumberOfRetries(metadata.settings().number_of_retries()); 
- 
-    // progress 
-    Metadata_.Progress = TProtoAccessor::FromProto(metadata.progress()); 
-    Metadata_.ItemsProgress = ItemsProgressFromProto(metadata.items_progress()); 
-} 
- 
-const TImportFromS3Response::TMetadata& TImportFromS3Response::Metadata() const { 
-    return Metadata_; 
-} 
- 
-/// Data 
-TImportDataResult::TImportDataResult(TStatus&& status) 
-    : TStatus(std::move(status)) 
-{} 
- 
-//////////////////////////////////////////////////////////////////////////////// 
- 
-class TImportClient::TImpl : public TClientImplCommon<TImportClient::TImpl> { 
-public: 
-    TImpl(std::shared_ptr<TGRpcConnectionsImpl>&& connections, const TCommonClientSettings& settings) 
-        : TClientImplCommon(std::move(connections), settings) 
-    { 
-    } 
- 
-    TFuture<TImportFromS3Response> ImportFromS3(ImportFromS3Request&& request, const TImportFromS3Settings& settings) { 
-        return RunOperation<V1::ImportService, ImportFromS3Request, ImportFromS3Response, TImportFromS3Response>( 
-            std::move(request), 
-            &V1::ImportService::Stub::AsyncImportFromS3, 
-            TRpcRequestSettings::Make(settings), 
-            settings.ClientTimeout_); 
-    } 
- 
-    template <typename TSettings> 
-    TAsyncImportDataResult ImportData(ImportDataRequest&& request, const TSettings& settings) { 
-        auto promise = NThreading::NewPromise<TImportDataResult>(); 
- 
+
+namespace NYdb {
+namespace NImport {
+
+using namespace NThreading;
+using namespace Ydb::Import;
+
+/// Common
+namespace {
+
+TInstant ProtoTimestampToInstant(const NProtoBuf::Timestamp& timestamp) {
+    ui64 us = timestamp.seconds() * 1000000;
+    us += timestamp.nanos() / 1000;
+    return TInstant::MicroSeconds(us);
+}
+
+TVector<TImportItemProgress> ItemsProgressFromProto(const google::protobuf::RepeatedPtrField<Ydb::Import::ImportItemProgress>& proto) {
+    TVector<TImportItemProgress> result(Reserve(proto.size()));
+
+    for (const auto& protoItem : proto) {
+        auto& item = result.emplace_back();
+        item.PartsTotal = protoItem.parts_total();
+        item.PartsCompleted = protoItem.parts_completed();
+        item.StartTime = ProtoTimestampToInstant(protoItem.start_time());
+        item.EndTime = ProtoTimestampToInstant(protoItem.end_time());
+    }
+
+    return result;
+}
+
+} // anonymous
+
+/// S3
+TImportFromS3Response::TImportFromS3Response(TStatus&& status, Ydb::Operations::Operation&& operation)
+    : TOperation(std::move(status), std::move(operation))
+{
+    ImportFromS3Metadata metadata;
+    GetProto().metadata().UnpackTo(&metadata);
+
+    // settings
+    Metadata_.Settings.Endpoint(metadata.settings().endpoint());
+    Metadata_.Settings.Scheme(TProtoAccessor::FromProto<ImportFromS3Settings>(metadata.settings().scheme()));
+    Metadata_.Settings.Bucket(metadata.settings().bucket());
+    Metadata_.Settings.AccessKey(metadata.settings().access_key());
+    Metadata_.Settings.SecretKey(metadata.settings().secret_key());
+
+    for (const auto& item : metadata.settings().items()) {
+        Metadata_.Settings.AppendItem({item.source_prefix(), item.destination_path()});
+    }
+
+    Metadata_.Settings.Description(metadata.settings().description());
+    Metadata_.Settings.NumberOfRetries(metadata.settings().number_of_retries());
+
+    // progress
+    Metadata_.Progress = TProtoAccessor::FromProto(metadata.progress());
+    Metadata_.ItemsProgress = ItemsProgressFromProto(metadata.items_progress());
+}
+
+const TImportFromS3Response::TMetadata& TImportFromS3Response::Metadata() const {
+    return Metadata_;
+}
+
+/// Data
+TImportDataResult::TImportDataResult(TStatus&& status)
+    : TStatus(std::move(status))
+{}
+
+////////////////////////////////////////////////////////////////////////////////
+
+class TImportClient::TImpl : public TClientImplCommon<TImportClient::TImpl> {
+public:
+    TImpl(std::shared_ptr<TGRpcConnectionsImpl>&& connections, const TCommonClientSettings& settings)
+        : TClientImplCommon(std::move(connections), settings)
+    {
+    }
+
+    TFuture<TImportFromS3Response> ImportFromS3(ImportFromS3Request&& request, const TImportFromS3Settings& settings) {
+        return RunOperation<V1::ImportService, ImportFromS3Request, ImportFromS3Response, TImportFromS3Response>(
+            std::move(request),
+            &V1::ImportService::Stub::AsyncImportFromS3,
+            TRpcRequestSettings::Make(settings),
+            settings.ClientTimeout_);
+    }
+
+    template <typename TSettings>
+    TAsyncImportDataResult ImportData(ImportDataRequest&& request, const TSettings& settings) {
+        auto promise = NThreading::NewPromise<TImportDataResult>();
+
         auto extractor = [promise]
-            (google::protobuf::Any*, TPlainStatus status) mutable { 
+            (google::protobuf::Any*, TPlainStatus status) mutable {
                 TImportDataResult result(TStatus(std::move(status)));
-                promise.SetValue(std::move(result)); 
-            }; 
- 
-        Connections_->RunDeferred<V1::ImportService, ImportDataRequest, ImportDataResponse>( 
-            std::move(request), 
-            extractor, 
-            &V1::ImportService::Stub::AsyncImportData, 
-            DbDriverState_, 
-            INITIAL_DEFERRED_CALL_DELAY, 
-            TRpcRequestSettings::Make(settings), 
-            settings.ClientTimeout_); 
- 
-        return promise.GetFuture(); 
-    } 
- 
-    template <typename TData> 
-    TAsyncImportDataResult ImportData(const TString& table, TData&& data, const TImportYdbDumpDataSettings& settings) { 
-        auto request = MakeOperationRequest<ImportDataRequest>(settings); 
- 
-        request.set_path(table); 
-        request.set_data(std::forward<TData>(data)); 
- 
-        for (const auto& column : settings.Columns_) { 
-            request.mutable_ydb_dump()->add_columns(column); 
-        } 
- 
-        return ImportData(std::move(request), settings); 
-    } 
- 
-}; 
- 
-//////////////////////////////////////////////////////////////////////////////// 
- 
-TImportClient::TImportClient(const TDriver& driver, const TCommonClientSettings& settings) 
-    : Impl_(new TImpl(CreateInternalInterface(driver), settings)) 
-{ 
-} 
- 
-TFuture<TImportFromS3Response> TImportClient::ImportFromS3(const TImportFromS3Settings& settings) { 
-    auto request = MakeOperationRequest<ImportFromS3Request>(settings); 
- 
-    request.mutable_settings()->set_endpoint(settings.Endpoint_); 
-    request.mutable_settings()->set_scheme(TProtoAccessor::GetProto<ImportFromS3Settings>(settings.Scheme_)); 
-    request.mutable_settings()->set_bucket(settings.Bucket_); 
-    request.mutable_settings()->set_access_key(settings.AccessKey_); 
-    request.mutable_settings()->set_secret_key(settings.SecretKey_); 
- 
-    for (const auto& item : settings.Item_) { 
-        auto& protoItem = *request.mutable_settings()->mutable_items()->Add(); 
-        protoItem.set_source_prefix(item.Src); 
-        protoItem.set_destination_path(item.Dst); 
-    } 
- 
-    if (settings.Description_) { 
-        request.mutable_settings()->set_description(settings.Description_.GetRef()); 
-    } 
- 
-    if (settings.NumberOfRetries_) { 
-        request.mutable_settings()->set_number_of_retries(settings.NumberOfRetries_.GetRef()); 
-    } 
- 
-    return Impl_->ImportFromS3(std::move(request), settings); 
-} 
- 
-TAsyncImportDataResult TImportClient::ImportData(const TString& table, TString&& data, const TImportYdbDumpDataSettings& settings) { 
-    return Impl_->ImportData(table, std::move(data), settings); 
-} 
- 
-TAsyncImportDataResult TImportClient::ImportData(const TString& table, const TString& data, const TImportYdbDumpDataSettings& settings) { 
-    return Impl_->ImportData(table, data, settings); 
-} 
- 
-} // namespace NImport 
-} // namespace NYdb 
+                promise.SetValue(std::move(result));
+            };
+
+        Connections_->RunDeferred<V1::ImportService, ImportDataRequest, ImportDataResponse>(
+            std::move(request),
+            extractor,
+            &V1::ImportService::Stub::AsyncImportData,
+            DbDriverState_,
+            INITIAL_DEFERRED_CALL_DELAY,
+            TRpcRequestSettings::Make(settings),
+            settings.ClientTimeout_);
+
+        return promise.GetFuture();
+    }
+
+    template <typename TData>
+    TAsyncImportDataResult ImportData(const TString& table, TData&& data, const TImportYdbDumpDataSettings& settings) {
+        auto request = MakeOperationRequest<ImportDataRequest>(settings);
+
+        request.set_path(table);
+        request.set_data(std::forward<TData>(data));
+
+        for (const auto& column : settings.Columns_) {
+            request.mutable_ydb_dump()->add_columns(column);
+        }
+
+        return ImportData(std::move(request), settings);
+    }
+
+};
+
+////////////////////////////////////////////////////////////////////////////////
+
+TImportClient::TImportClient(const TDriver& driver, const TCommonClientSettings& settings)
+    : Impl_(new TImpl(CreateInternalInterface(driver), settings))
+{
+}
+
+TFuture<TImportFromS3Response> TImportClient::ImportFromS3(const TImportFromS3Settings& settings) {
+    auto request = MakeOperationRequest<ImportFromS3Request>(settings);
+
+    request.mutable_settings()->set_endpoint(settings.Endpoint_);
+    request.mutable_settings()->set_scheme(TProtoAccessor::GetProto<ImportFromS3Settings>(settings.Scheme_));
+    request.mutable_settings()->set_bucket(settings.Bucket_);
+    request.mutable_settings()->set_access_key(settings.AccessKey_);
+    request.mutable_settings()->set_secret_key(settings.SecretKey_);
+
+    for (const auto& item : settings.Item_) {
+        auto& protoItem = *request.mutable_settings()->mutable_items()->Add();
+        protoItem.set_source_prefix(item.Src);
+        protoItem.set_destination_path(item.Dst);
+    }
+
+    if (settings.Description_) {
+        request.mutable_settings()->set_description(settings.Description_.GetRef());
+    }
+
+    if (settings.NumberOfRetries_) {
+        request.mutable_settings()->set_number_of_retries(settings.NumberOfRetries_.GetRef());
+    }
+
+    return Impl_->ImportFromS3(std::move(request), settings);
+}
+
+TAsyncImportDataResult TImportClient::ImportData(const TString& table, TString&& data, const TImportYdbDumpDataSettings& settings) {
+    return Impl_->ImportData(table, std::move(data), settings);
+}
+
+TAsyncImportDataResult TImportClient::ImportData(const TString& table, const TString& data, const TImportYdbDumpDataSettings& settings) {
+    return Impl_->ImportData(table, data, settings);
+}
+
+} // namespace NImport
+} // namespace NYdb
diff --git a/ydb/public/sdk/cpp/client/ydb_import/import.h b/ydb/public/sdk/cpp/client/ydb_import/import.h
index 4e352b16b3..865fec384c 100644
--- a/ydb/public/sdk/cpp/client/ydb_import/import.h
+++ b/ydb/public/sdk/cpp/client/ydb_import/import.h
@@ -1,102 +1,102 @@
-#pragma once 
- 
+#pragma once
+
 #include <ydb/public/sdk/cpp/client/ydb_driver/driver.h>
 #include <ydb/public/sdk/cpp/client/ydb_types/operation/operation.h>
- 
+
 #include <ydb/public/sdk/cpp/client/ydb_types/s3_settings.h>
- 
-namespace NYdb { 
-namespace NImport { 
- 
-/// Common 
-enum class EImportProgress { 
-    Unspecified = 0, 
-    Preparing = 1, 
-    TransferData = 2, 
-    BuildIndexes = 3, 
-    Done = 4, 
-    Cancellation = 5, 
-    Cancelled = 6, 
- 
-    Unknown = Max<int>(), 
-}; 
- 
-struct TImportItemProgress { 
-    ui32 PartsTotal; 
-    ui32 PartsCompleted; 
-    TInstant StartTime; 
-    TInstant EndTime; 
-}; 
- 
-/// S3 
-struct TImportFromS3Settings : public TOperationRequestSettings<TImportFromS3Settings>, 
-                               public TS3Settings<TImportFromS3Settings> { 
-    using TSelf = TImportFromS3Settings; 
- 
-    struct TItem { 
-        TString Src; 
-        TString Dst; 
-    }; 
- 
-    FLUENT_SETTING_VECTOR(TItem, Item); 
-    FLUENT_SETTING_OPTIONAL(TString, Description); 
-    FLUENT_SETTING_OPTIONAL(ui32, NumberOfRetries); 
-}; 
- 
-class TImportFromS3Response : public TOperation { 
-public: 
-    struct TMetadata { 
-        TImportFromS3Settings Settings; 
-        EImportProgress Progress; 
-        TVector<TImportItemProgress> ItemsProgress; 
-    }; 
- 
-public: 
-    using TOperation::TOperation; 
-    TImportFromS3Response(TStatus&& status, Ydb::Operations::Operation&& operation); 
- 
-    const TMetadata& Metadata() const; 
- 
-private: 
-    TMetadata Metadata_; 
-}; 
- 
-/// Data 
-struct TImportYdbDumpDataSettings : public TOperationRequestSettings<TImportYdbDumpDataSettings> { 
-    using TSelf = TImportYdbDumpDataSettings; 
- 
-    FLUENT_SETTING_VECTOR(TString, Columns); 
- 
-    using TOperationRequestSettings::TOperationRequestSettings; 
-}; 
- 
-class TImportDataResult : public TStatus { 
-public: 
-    explicit TImportDataResult(TStatus&& status); 
-}; 
- 
-using TAsyncImportDataResult = NThreading::TFuture<TImportDataResult>; 
- 
-class TImportClient { 
-    class TImpl; 
- 
-public: 
-    TImportClient(const TDriver& driver, const TCommonClientSettings& settings = TCommonClientSettings()); 
- 
-    NThreading::TFuture<TImportFromS3Response> ImportFromS3(const TImportFromS3Settings& settings); 
- 
-    // ydb dump format 
-    TAsyncImportDataResult ImportData(const TString& table, TString&& data, const TImportYdbDumpDataSettings& settings); 
-    TAsyncImportDataResult ImportData(const TString& table, const TString& data, const TImportYdbDumpDataSettings& settings); 
- 
-private: 
-    std::shared_ptr<TImpl> Impl_; 
-}; 
- 
-} // namespace NImport 
-} // namespace NYdb 
- 
-template<> 
-inline void Out<NYdb::NImport::TImportFromS3Response>(IOutputStream& o, const NYdb::NImport::TImportFromS3Response& x) { 
-    return x.Out(o); 
-} 
+
+namespace NYdb {
+namespace NImport {
+
+/// Common
+enum class EImportProgress {
+    Unspecified = 0,
+    Preparing = 1,
+    TransferData = 2,
+    BuildIndexes = 3,
+    Done = 4,
+    Cancellation = 5,
+    Cancelled = 6,
+
+    Unknown = Max<int>(),
+};
+
+struct TImportItemProgress {
+    ui32 PartsTotal;
+    ui32 PartsCompleted;
+    TInstant StartTime;
+    TInstant EndTime;
+};
+
+/// S3
+struct TImportFromS3Settings : public TOperationRequestSettings<TImportFromS3Settings>,
+                               public TS3Settings<TImportFromS3Settings> {
+    using TSelf = TImportFromS3Settings;
+
+    struct TItem {
+        TString Src;
+        TString Dst;
+    };
+
+    FLUENT_SETTING_VECTOR(TItem, Item);
+    FLUENT_SETTING_OPTIONAL(TString, Description);
+    FLUENT_SETTING_OPTIONAL(ui32, NumberOfRetries);
+};
+
+class TImportFromS3Response : public TOperation {
+public:
+    struct TMetadata {
+        TImportFromS3Settings Settings;
+        EImportProgress Progress;
+        TVector<TImportItemProgress> ItemsProgress;
+    };
+
+public:
+    using TOperation::TOperation;
+    TImportFromS3Response(TStatus&& status, Ydb::Operations::Operation&& operation);
+
+    const TMetadata& Metadata() const;
+
+private:
+    TMetadata Metadata_;
+};
+
+/// Data
+struct TImportYdbDumpDataSettings : public TOperationRequestSettings<TImportYdbDumpDataSettings> {
+    using TSelf = TImportYdbDumpDataSettings;
+
+    FLUENT_SETTING_VECTOR(TString, Columns);
+
+    using TOperationRequestSettings::TOperationRequestSettings;
+};
+
+class TImportDataResult : public TStatus {
+public:
+    explicit TImportDataResult(TStatus&& status);
+};
+
+using TAsyncImportDataResult = NThreading::TFuture<TImportDataResult>;
+
+class TImportClient {
+    class TImpl;
+
+public:
+    TImportClient(const TDriver& driver, const TCommonClientSettings& settings = TCommonClientSettings());
+
+    NThreading::TFuture<TImportFromS3Response> ImportFromS3(const TImportFromS3Settings& settings);
+
+    // ydb dump format
+    TAsyncImportDataResult ImportData(const TString& table, TString&& data, const TImportYdbDumpDataSettings& settings);
+    TAsyncImportDataResult ImportData(const TString& table, const TString& data, const TImportYdbDumpDataSettings& settings);
+
+private:
+    std::shared_ptr<TImpl> Impl_;
+};
+
+} // namespace NImport
+} // namespace NYdb
+
+template<>
+inline void Out<NYdb::NImport::TImportFromS3Response>(IOutputStream& o, const NYdb::NImport::TImportFromS3Response& x) {
+    return x.Out(o);
+}
diff --git a/ydb/public/sdk/cpp/client/ydb_operation/operation.cpp b/ydb/public/sdk/cpp/client/ydb_operation/operation.cpp
index ae26ee43d4..fac441c505 100644
--- a/ydb/public/sdk/cpp/client/ydb_operation/operation.cpp
+++ b/ydb/public/sdk/cpp/client/ydb_operation/operation.cpp
@@ -1,193 +1,193 @@
 #include "operation.h"
- 
+
 #define INCLUDE_YDB_INTERNAL_H
 #include <ydb/public/sdk/cpp/client/impl/ydb_internal/make_request/make.h>
 #undef INCLUDE_YDB_INTERNAL_H
 
-/* Headers below used to instantiate concrete 'Get' & 'List' methods */ 
+/* Headers below used to instantiate concrete 'Get' & 'List' methods */
 #include <ydb/public/sdk/cpp/client/ydb_export/export.h>
 #include <ydb/public/sdk/cpp/client/ydb_import/import.h>
 #include <ydb/public/sdk/cpp/client/ydb_table/table.h>
- 
+
 #include <ydb/public/api/grpc/ydb_operation_v1.grpc.pb.h>
 #include <ydb/public/lib/operation_id/operation_id.h>
 #include <ydb/public/sdk/cpp/client/ydb_common_client/impl/client.h>
- 
-namespace NYdb { 
-namespace NOperation { 
- 
+
+namespace NYdb {
+namespace NOperation {
+
 constexpr TDuration OPERATION_CLIENT_TIMEOUT = TDuration::Seconds(5);
 
-using namespace NThreading; 
-using namespace Ydb::Operation; 
-using namespace Ydb::Operations; 
- 
-class TOperationClient::TImpl : public TClientImplCommon<TOperationClient::TImpl> { 
-    template <typename TRequest, typename TResponse> 
-    using TSimpleRpc = TGRpcConnectionsImpl::TSimpleRpc<V1::OperationService, TRequest, TResponse>; 
- 
-    template <typename TRequest, typename TResponse> 
-    TAsyncStatus Run(TRequest&& request, TSimpleRpc<TRequest, TResponse> rpc) { 
-        auto promise = NewPromise<TStatus>(); 
- 
+using namespace NThreading;
+using namespace Ydb::Operation;
+using namespace Ydb::Operations;
+
+class TOperationClient::TImpl : public TClientImplCommon<TOperationClient::TImpl> {
+    template <typename TRequest, typename TResponse>
+    using TSimpleRpc = TGRpcConnectionsImpl::TSimpleRpc<V1::OperationService, TRequest, TResponse>;
+
+    template <typename TRequest, typename TResponse>
+    TAsyncStatus Run(TRequest&& request, TSimpleRpc<TRequest, TResponse> rpc) {
+        auto promise = NewPromise<TStatus>();
+
         auto extractor = [promise]
             (TResponse* response, TPlainStatus status) mutable {
-                if (response) { 
-                    NYql::TIssues opIssues; 
-                    NYql::IssuesFromMessage(response->issues(), opIssues); 
+                if (response) {
+                    NYql::TIssues opIssues;
+                    NYql::IssuesFromMessage(response->issues(), opIssues);
                     TStatus st(static_cast<EStatus>(response->status()), std::move(opIssues));
-                    promise.SetValue(std::move(st)); 
-                } else { 
+                    promise.SetValue(std::move(st));
+                } else {
                     TStatus st(std::move(status));
-                    promise.SetValue(std::move(st)); 
-                } 
-            }; 
- 
-        Connections_->Run<V1::OperationService, TRequest, TResponse>( 
-            std::move(request), 
-            extractor, 
-            rpc, 
+                    promise.SetValue(std::move(st));
+                }
+            };
+
+        Connections_->Run<V1::OperationService, TRequest, TResponse>(
+            std::move(request),
+            extractor,
+            rpc,
             DbDriverState_,
             TRpcRequestSettings(),
             OPERATION_CLIENT_TIMEOUT,
             TString());
- 
-        return promise.GetFuture(); 
-    } 
- 
-public: 
-    TImpl(std::shared_ptr<TGRpcConnectionsImpl>&& connections, const TCommonClientSettings& settings) 
+
+        return promise.GetFuture();
+    }
+
+public:
+    TImpl(std::shared_ptr<TGRpcConnectionsImpl>&& connections, const TCommonClientSettings& settings)
         : TClientImplCommon(std::move(connections), settings)
-    { 
-    } 
- 
-    template <typename TOp> 
-    TFuture<TOp> Get(GetOperationRequest&& request) { 
-        return RunOperation<V1::OperationService, GetOperationRequest, GetOperationResponse, TOp>( 
-            std::move(request), 
-            &V1::OperationService::Stub::AsyncGetOperation); 
-    } 
- 
-    TAsyncStatus Cancel(CancelOperationRequest&& request) { 
-        return Run<CancelOperationRequest, CancelOperationResponse>(std::move(request), 
-            &V1::OperationService::Stub::AsyncCancelOperation); 
-    } 
- 
-    TAsyncStatus Forget(ForgetOperationRequest&& request) { 
-        return Run<ForgetOperationRequest, ForgetOperationResponse>(std::move(request), 
-            &V1::OperationService::Stub::AsyncForgetOperation); 
-    } 
- 
-    template <typename TOp> 
-    TFuture<TOperationsList<TOp>> List(ListOperationsRequest&& request) { 
-        auto promise = NewPromise<TOperationsList<TOp>>(); 
- 
+    {
+    }
+
+    template <typename TOp>
+    TFuture<TOp> Get(GetOperationRequest&& request) {
+        return RunOperation<V1::OperationService, GetOperationRequest, GetOperationResponse, TOp>(
+            std::move(request),
+            &V1::OperationService::Stub::AsyncGetOperation);
+    }
+
+    TAsyncStatus Cancel(CancelOperationRequest&& request) {
+        return Run<CancelOperationRequest, CancelOperationResponse>(std::move(request),
+            &V1::OperationService::Stub::AsyncCancelOperation);
+    }
+
+    TAsyncStatus Forget(ForgetOperationRequest&& request) {
+        return Run<ForgetOperationRequest, ForgetOperationResponse>(std::move(request),
+            &V1::OperationService::Stub::AsyncForgetOperation);
+    }
+
+    template <typename TOp>
+    TFuture<TOperationsList<TOp>> List(ListOperationsRequest&& request) {
+        auto promise = NewPromise<TOperationsList<TOp>>();
+
         auto extractor = [promise]
             (ListOperationsResponse* response, TPlainStatus status) mutable {
-                if (response) { 
-                    NYql::TIssues opIssues; 
-                    NYql::IssuesFromMessage(response->issues(), opIssues); 
+                if (response) {
+                    NYql::TIssues opIssues;
+                    NYql::IssuesFromMessage(response->issues(), opIssues);
                     TStatus st(static_cast<EStatus>(response->status()), std::move(opIssues));
- 
-                    TVector<TOp> operations(Reserve(response->operations_size())); 
-                    for (auto& operation : *response->mutable_operations()) { 
-                        NYql::TIssues opIssues; 
-                        NYql::IssuesFromMessage(operation.issues(), opIssues); 
-                        operations.emplace_back( 
+
+                    TVector<TOp> operations(Reserve(response->operations_size()));
+                    for (auto& operation : *response->mutable_operations()) {
+                        NYql::TIssues opIssues;
+                        NYql::IssuesFromMessage(operation.issues(), opIssues);
+                        operations.emplace_back(
                             TStatus(static_cast<EStatus>(operation.status()), std::move(opIssues)),
-                            std::move(operation)); 
-                    } 
- 
-                    promise.SetValue(TOperationsList<TOp>(std::move(st), std::move(operations), response->next_page_token())); 
-                } else { 
+                            std::move(operation));
+                    }
+
+                    promise.SetValue(TOperationsList<TOp>(std::move(st), std::move(operations), response->next_page_token()));
+                } else {
                     TStatus st(std::move(status));
-                    promise.SetValue(TOperationsList<TOp>(std::move(st))); 
-                } 
-            }; 
- 
-        Connections_->Run<V1::OperationService, ListOperationsRequest, ListOperationsResponse>( 
-            std::move(request), 
-            extractor, 
-            &V1::OperationService::Stub::AsyncListOperations, 
+                    promise.SetValue(TOperationsList<TOp>(std::move(st)));
+                }
+            };
+
+        Connections_->Run<V1::OperationService, ListOperationsRequest, ListOperationsResponse>(
+            std::move(request),
+            extractor,
+            &V1::OperationService::Stub::AsyncListOperations,
             DbDriverState_,
             TRpcRequestSettings(),
             OPERATION_CLIENT_TIMEOUT,
             TString());
- 
-        return promise.GetFuture(); 
-    } 
- 
-}; 
- 
-//////////////////////////////////////////////////////////////////////////////// 
- 
-TOperationClient::TOperationClient(const TDriver& driver, const TCommonClientSettings& settings) 
-    : Impl_(new TImpl(CreateInternalInterface(driver), settings)) 
-{ 
-} 
- 
-template <typename TOp> 
-TFuture<TOp> TOperationClient::Get(const TOperation::TOperationId& id) { 
-    auto request = MakeRequest<GetOperationRequest>(); 
-    request.set_id(NKikimr::NOperationId::ProtoToString(id)); 
- 
-    return Impl_->Get<TOp>(std::move(request)); 
-} 
- 
-TAsyncStatus TOperationClient::Cancel(const TOperation::TOperationId& id) { 
-    auto request = MakeRequest<CancelOperationRequest>(); 
-    request.set_id(NKikimr::NOperationId::ProtoToString(id)); 
- 
-    return Impl_->Cancel(std::move(request)); 
-} 
- 
-TAsyncStatus TOperationClient::Forget(const TOperation::TOperationId& id) { 
-    auto request = MakeRequest<ForgetOperationRequest>(); 
-    request.set_id(NKikimr::NOperationId::ProtoToString(id)); 
- 
-    return Impl_->Forget(std::move(request)); 
-} 
- 
-template <typename TOp> 
-TFuture<TOperationsList<TOp>> TOperationClient::List(const TString& kind, ui64 pageSize, const TString& pageToken) { 
-    auto request = MakeRequest<ListOperationsRequest>(); 
- 
-    request.set_kind(kind); 
-    if (pageSize) { 
-        request.set_page_size(pageSize); 
-    } 
-    if (pageToken) { 
-        request.set_page_token(pageToken); 
-    } 
- 
-    return Impl_->List<TOp>(std::move(request)); 
-} 
- 
-// Instantiations 
-template TFuture<NExport::TExportToYtResponse> TOperationClient::Get(const TOperation::TOperationId& id); 
-template <> 
-TFuture<TOperationsList<NExport::TExportToYtResponse>> TOperationClient::List(ui64 pageSize, const TString& pageToken) { 
-    // TODO: export -> export/yt 
-    return List<NExport::TExportToYtResponse>("export", pageSize, pageToken); 
-} 
- 
-template TFuture<NExport::TExportToS3Response> TOperationClient::Get(const TOperation::TOperationId& id); 
-template <> 
-TFuture<TOperationsList<NExport::TExportToS3Response>> TOperationClient::List(ui64 pageSize, const TString& pageToken) { 
-    return List<NExport::TExportToS3Response>("export/s3", pageSize, pageToken); 
-} 
- 
-template TFuture<NImport::TImportFromS3Response> TOperationClient::Get(const TOperation::TOperationId& id); 
-template <> 
-TFuture<TOperationsList<NImport::TImportFromS3Response>> TOperationClient::List(ui64 pageSize, const TString& pageToken) { 
-    return List<NImport::TImportFromS3Response>("import/s3", pageSize, pageToken); 
-} 
- 
+
+        return promise.GetFuture();
+    }
+
+};
+
+////////////////////////////////////////////////////////////////////////////////
+
+TOperationClient::TOperationClient(const TDriver& driver, const TCommonClientSettings& settings)
+    : Impl_(new TImpl(CreateInternalInterface(driver), settings))
+{
+}
+
+template <typename TOp>
+TFuture<TOp> TOperationClient::Get(const TOperation::TOperationId& id) {
+    auto request = MakeRequest<GetOperationRequest>();
+    request.set_id(NKikimr::NOperationId::ProtoToString(id));
+
+    return Impl_->Get<TOp>(std::move(request));
+}
+
+TAsyncStatus TOperationClient::Cancel(const TOperation::TOperationId& id) {
+    auto request = MakeRequest<CancelOperationRequest>();
+    request.set_id(NKikimr::NOperationId::ProtoToString(id));
+
+    return Impl_->Cancel(std::move(request));
+}
+
+TAsyncStatus TOperationClient::Forget(const TOperation::TOperationId& id) {
+    auto request = MakeRequest<ForgetOperationRequest>();
+    request.set_id(NKikimr::NOperationId::ProtoToString(id));
+
+    return Impl_->Forget(std::move(request));
+}
+
+template <typename TOp>
+TFuture<TOperationsList<TOp>> TOperationClient::List(const TString& kind, ui64 pageSize, const TString& pageToken) {
+    auto request = MakeRequest<ListOperationsRequest>();
+
+    request.set_kind(kind);
+    if (pageSize) {
+        request.set_page_size(pageSize);
+    }
+    if (pageToken) {
+        request.set_page_token(pageToken);
+    }
+
+    return Impl_->List<TOp>(std::move(request));
+}
+
+// Instantiations
+template TFuture<NExport::TExportToYtResponse> TOperationClient::Get(const TOperation::TOperationId& id);
+template <>
+TFuture<TOperationsList<NExport::TExportToYtResponse>> TOperationClient::List(ui64 pageSize, const TString& pageToken) {
+    // TODO: export -> export/yt
+    return List<NExport::TExportToYtResponse>("export", pageSize, pageToken);
+}
+
+template TFuture<NExport::TExportToS3Response> TOperationClient::Get(const TOperation::TOperationId& id);
+template <>
+TFuture<TOperationsList<NExport::TExportToS3Response>> TOperationClient::List(ui64 pageSize, const TString& pageToken) {
+    return List<NExport::TExportToS3Response>("export/s3", pageSize, pageToken);
+}
+
+template TFuture<NImport::TImportFromS3Response> TOperationClient::Get(const TOperation::TOperationId& id);
+template <>
+TFuture<TOperationsList<NImport::TImportFromS3Response>> TOperationClient::List(ui64 pageSize, const TString& pageToken) {
+    return List<NImport::TImportFromS3Response>("import/s3", pageSize, pageToken);
+}
+
 template TFuture<NTable::TBuildIndexOperation> TOperationClient::Get(const TOperation::TOperationId& id);
 template <>
 TFuture<TOperationsList<NTable::TBuildIndexOperation>> TOperationClient::List(ui64 pageSize, const TString& pageToken) {
     return List<NTable::TBuildIndexOperation>("buildindex", pageSize, pageToken);
 }
 
-} // namespace NOperation 
-} // namespace NYdb 
+} // namespace NOperation
+} // namespace NYdb
diff --git a/ydb/public/sdk/cpp/client/ydb_operation/operation.h b/ydb/public/sdk/cpp/client/ydb_operation/operation.h
index d1c14015c8..794741331f 100644
--- a/ydb/public/sdk/cpp/client/ydb_operation/operation.h
+++ b/ydb/public/sdk/cpp/client/ydb_operation/operation.h
@@ -1,72 +1,72 @@
-#pragma once 
- 
+#pragma once
+
 #include <ydb/public/sdk/cpp/client/ydb_driver/driver.h>
 #include <ydb/public/sdk/cpp/client/ydb_types/operation/operation.h>
- 
-#include <util/string/builder.h> 
- 
-namespace NYdb { 
-namespace NOperation { 
- 
-template <typename TOp> 
-class TOperationsList : public TStatus { 
-public: 
-    TOperationsList(TStatus&& status) 
-        : TStatus(std::move(status)) 
-    { 
-    } 
- 
-    TOperationsList(TStatus&& status, TVector<TOp>&& operations, const TString& nextPageToken) 
-        : TStatus(std::move(status)) 
-        , Operations_(std::move(operations)) 
-        , NextPageToken_(nextPageToken) 
-    { 
-    } 
- 
-    const TVector<TOp>& GetList() const { return Operations_; } 
-    const TString& NextPageToken() const { return NextPageToken_; } 
- 
-    TString ToJsonString() const { 
-        TStringBuilder json; 
-        json << "{\"operations\":["; 
- 
-        bool first = true; 
-        for (const auto& operation : GetList()) { 
-            json << (first ? "" : ",") << operation.ToJsonString(); 
-            first = false; 
-        } 
- 
-        json << "],\"nextPageToken\":\"" << NextPageToken() << "\"}"; 
-        return json; 
-    } 
- 
-private: 
-    TVector<TOp> Operations_; 
-    TString NextPageToken_; 
-}; 
- 
-class TOperationClient { 
-    class TImpl; 
- 
-public: 
-    TOperationClient(const TDriver& driver, const TCommonClientSettings& settings = TCommonClientSettings()); 
- 
-    template <typename TOp> 
-    NThreading::TFuture<TOp> Get(const TOperation::TOperationId& id); 
- 
-    TAsyncStatus Cancel(const TOperation::TOperationId& id); 
-    TAsyncStatus Forget(const TOperation::TOperationId& id); 
- 
-    template <typename TOp> 
-    NThreading::TFuture<TOperationsList<TOp>> List(ui64 pageSize = 0, const TString& pageToken = TString()); 
- 
-private: 
-    template <typename TOp> 
-    NThreading::TFuture<TOperationsList<TOp>> List(const TString& kind, ui64 pageSize, const TString& pageToken); 
- 
-private: 
-    std::shared_ptr<TImpl> Impl_; 
-}; 
- 
-} // namespace NOperation 
-} // namespace NYdb 
+
+#include <util/string/builder.h>
+
+namespace NYdb {
+namespace NOperation {
+
+template <typename TOp>
+class TOperationsList : public TStatus {
+public:
+    TOperationsList(TStatus&& status)
+        : TStatus(std::move(status))
+    {
+    }
+
+    TOperationsList(TStatus&& status, TVector<TOp>&& operations, const TString& nextPageToken)
+        : TStatus(std::move(status))
+        , Operations_(std::move(operations))
+        , NextPageToken_(nextPageToken)
+    {
+    }
+
+    const TVector<TOp>& GetList() const { return Operations_; }
+    const TString& NextPageToken() const { return NextPageToken_; }
+
+    TString ToJsonString() const {
+        TStringBuilder json;
+        json << "{\"operations\":[";
+
+        bool first = true;
+        for (const auto& operation : GetList()) {
+            json << (first ? "" : ",") << operation.ToJsonString();
+            first = false;
+        }
+
+        json << "],\"nextPageToken\":\"" << NextPageToken() << "\"}";
+        return json;
+    }
+
+private:
+    TVector<TOp> Operations_;
+    TString NextPageToken_;
+};
+
+class TOperationClient {
+    class TImpl;
+
+public:
+    TOperationClient(const TDriver& driver, const TCommonClientSettings& settings = TCommonClientSettings());
+
+    template <typename TOp>
+    NThreading::TFuture<TOp> Get(const TOperation::TOperationId& id);
+
+    TAsyncStatus Cancel(const TOperation::TOperationId& id);
+    TAsyncStatus Forget(const TOperation::TOperationId& id);
+
+    template <typename TOp>
+    NThreading::TFuture<TOperationsList<TOp>> List(ui64 pageSize = 0, const TString& pageToken = TString());
+
+private:
+    template <typename TOp>
+    NThreading::TFuture<TOperationsList<TOp>> List(const TString& kind, ui64 pageSize, const TString& pageToken);
+
+private:
+    std::shared_ptr<TImpl> Impl_;
+};
+
+} // namespace NOperation
+} // namespace NYdb
diff --git a/ydb/public/sdk/cpp/client/ydb_proto/accessor.cpp b/ydb/public/sdk/cpp/client/ydb_proto/accessor.cpp
index 574d84b7ae..dd02fb89db 100644
--- a/ydb/public/sdk/cpp/client/ydb_proto/accessor.cpp
+++ b/ydb/public/sdk/cpp/client/ydb_proto/accessor.cpp
@@ -12,119 +12,119 @@ const Ydb::Value& TProtoAccessor::GetProto(const TValue& value) {
     return value.GetProto();
 }
 
-// exports & imports 
-template <typename TProtoSettings> 
-typename TProtoSettings::Scheme TProtoAccessor::GetProto(ES3Scheme value) { 
-    switch (value) { 
-    case ES3Scheme::HTTP: 
-        return TProtoSettings::HTTP; 
-    case ES3Scheme::HTTPS: 
-        return TProtoSettings::HTTPS; 
-    } 
-} 
- 
-template Ydb::Export::ExportToS3Settings::Scheme TProtoAccessor::GetProto<Ydb::Export::ExportToS3Settings>(ES3Scheme value); 
-template Ydb::Import::ImportFromS3Settings::Scheme TProtoAccessor::GetProto<Ydb::Import::ImportFromS3Settings>(ES3Scheme value); 
- 
-template <typename TProtoSettings> 
-ES3Scheme TProtoAccessor::FromProto(typename TProtoSettings::Scheme value) { 
-    switch (value) { 
-    case TProtoSettings::HTTP: 
-        return ES3Scheme::HTTP; 
-    default: 
-        return ES3Scheme::HTTPS; 
-    } 
-} 
- 
-template ES3Scheme TProtoAccessor::FromProto<Ydb::Export::ExportToS3Settings>(Ydb::Export::ExportToS3Settings::Scheme value); 
-template ES3Scheme TProtoAccessor::FromProto<Ydb::Import::ImportFromS3Settings>(Ydb::Import::ImportFromS3Settings::Scheme value); 
- 
-Ydb::Export::ExportToS3Settings::StorageClass TProtoAccessor::GetProto(NExport::TExportToS3Settings::EStorageClass value) { 
-    switch (value) { 
-    case NExport::TExportToS3Settings::EStorageClass::STANDARD: 
-        return Ydb::Export::ExportToS3Settings::STANDARD; 
-    case NExport::TExportToS3Settings::EStorageClass::REDUCED_REDUNDANCY: 
-        return Ydb::Export::ExportToS3Settings::REDUCED_REDUNDANCY; 
-    case NExport::TExportToS3Settings::EStorageClass::STANDARD_IA: 
-        return Ydb::Export::ExportToS3Settings::STANDARD_IA; 
-    case NExport::TExportToS3Settings::EStorageClass::ONEZONE_IA: 
-        return Ydb::Export::ExportToS3Settings::ONEZONE_IA; 
-    case NExport::TExportToS3Settings::EStorageClass::INTELLIGENT_TIERING: 
-        return Ydb::Export::ExportToS3Settings::INTELLIGENT_TIERING; 
-    case NExport::TExportToS3Settings::EStorageClass::GLACIER: 
-        return Ydb::Export::ExportToS3Settings::GLACIER; 
-    case NExport::TExportToS3Settings::EStorageClass::DEEP_ARCHIVE: 
-        return Ydb::Export::ExportToS3Settings::DEEP_ARCHIVE; 
-    case NExport::TExportToS3Settings::EStorageClass::OUTPOSTS: 
-        return Ydb::Export::ExportToS3Settings::OUTPOSTS; 
-    default: 
-        return Ydb::Export::ExportToS3Settings::STORAGE_CLASS_UNSPECIFIED; 
-    } 
-} 
- 
-NExport::TExportToS3Settings::EStorageClass TProtoAccessor::FromProto(Ydb::Export::ExportToS3Settings::StorageClass value) { 
-    switch (value) { 
-    case Ydb::Export::ExportToS3Settings::STORAGE_CLASS_UNSPECIFIED: 
-        return NExport::TExportToS3Settings::EStorageClass::NOT_SET; 
-    case Ydb::Export::ExportToS3Settings::STANDARD: 
-        return NExport::TExportToS3Settings::EStorageClass::STANDARD; 
-    case Ydb::Export::ExportToS3Settings::REDUCED_REDUNDANCY: 
-        return NExport::TExportToS3Settings::EStorageClass::REDUCED_REDUNDANCY; 
-    case Ydb::Export::ExportToS3Settings::STANDARD_IA: 
-        return NExport::TExportToS3Settings::EStorageClass::STANDARD_IA; 
-    case Ydb::Export::ExportToS3Settings::ONEZONE_IA: 
-        return NExport::TExportToS3Settings::EStorageClass::ONEZONE_IA; 
-    case Ydb::Export::ExportToS3Settings::INTELLIGENT_TIERING: 
-        return NExport::TExportToS3Settings::EStorageClass::INTELLIGENT_TIERING; 
-    case Ydb::Export::ExportToS3Settings::GLACIER: 
-        return NExport::TExportToS3Settings::EStorageClass::GLACIER; 
-    case Ydb::Export::ExportToS3Settings::DEEP_ARCHIVE: 
-        return NExport::TExportToS3Settings::EStorageClass::DEEP_ARCHIVE; 
-    case Ydb::Export::ExportToS3Settings::OUTPOSTS: 
-        return NExport::TExportToS3Settings::EStorageClass::OUTPOSTS; 
-    default: 
-        return NExport::TExportToS3Settings::EStorageClass::UNKNOWN; 
-    } 
-} 
- 
-NExport::EExportProgress TProtoAccessor::FromProto(Ydb::Export::ExportProgress::Progress value) { 
-    switch (value) { 
-    case Ydb::Export::ExportProgress::PROGRESS_UNSPECIFIED: 
-        return NExport::EExportProgress::Unspecified; 
-    case Ydb::Export::ExportProgress::PROGRESS_PREPARING: 
-        return NExport::EExportProgress::Preparing; 
-    case Ydb::Export::ExportProgress::PROGRESS_TRANSFER_DATA: 
-        return NExport::EExportProgress::TransferData; 
-    case Ydb::Export::ExportProgress::PROGRESS_DONE: 
-        return NExport::EExportProgress::Done; 
-    case Ydb::Export::ExportProgress::PROGRESS_CANCELLATION: 
-        return NExport::EExportProgress::Cancellation; 
-    case Ydb::Export::ExportProgress::PROGRESS_CANCELLED: 
-        return NExport::EExportProgress::Cancelled; 
-    default: 
-        return NExport::EExportProgress::Unknown; 
-    } 
-} 
- 
-NImport::EImportProgress TProtoAccessor::FromProto(Ydb::Import::ImportProgress::Progress value) { 
-    switch (value) { 
-    case Ydb::Import::ImportProgress::PROGRESS_UNSPECIFIED: 
-        return NImport::EImportProgress::Unspecified; 
-    case Ydb::Import::ImportProgress::PROGRESS_PREPARING: 
-        return NImport::EImportProgress::Preparing; 
-    case Ydb::Import::ImportProgress::PROGRESS_TRANSFER_DATA: 
-        return NImport::EImportProgress::TransferData; 
-    case Ydb::Import::ImportProgress::PROGRESS_BUILD_INDEXES: 
-        return NImport::EImportProgress::BuildIndexes; 
-    case Ydb::Import::ImportProgress::PROGRESS_DONE: 
-        return NImport::EImportProgress::Done; 
-    case Ydb::Import::ImportProgress::PROGRESS_CANCELLATION: 
-        return NImport::EImportProgress::Cancellation; 
-    case Ydb::Import::ImportProgress::PROGRESS_CANCELLED: 
-        return NImport::EImportProgress::Cancelled; 
-    default: 
-        return NImport::EImportProgress::Unknown; 
-    } 
-} 
- 
+// exports & imports
+template <typename TProtoSettings>
+typename TProtoSettings::Scheme TProtoAccessor::GetProto(ES3Scheme value) {
+    switch (value) {
+    case ES3Scheme::HTTP:
+        return TProtoSettings::HTTP;
+    case ES3Scheme::HTTPS:
+        return TProtoSettings::HTTPS;
+    }
+}
+
+template Ydb::Export::ExportToS3Settings::Scheme TProtoAccessor::GetProto<Ydb::Export::ExportToS3Settings>(ES3Scheme value);
+template Ydb::Import::ImportFromS3Settings::Scheme TProtoAccessor::GetProto<Ydb::Import::ImportFromS3Settings>(ES3Scheme value);
+
+template <typename TProtoSettings>
+ES3Scheme TProtoAccessor::FromProto(typename TProtoSettings::Scheme value) {
+    switch (value) {
+    case TProtoSettings::HTTP:
+        return ES3Scheme::HTTP;
+    default:
+        return ES3Scheme::HTTPS;
+    }
+}
+
+template ES3Scheme TProtoAccessor::FromProto<Ydb::Export::ExportToS3Settings>(Ydb::Export::ExportToS3Settings::Scheme value);
+template ES3Scheme TProtoAccessor::FromProto<Ydb::Import::ImportFromS3Settings>(Ydb::Import::ImportFromS3Settings::Scheme value);
+
+Ydb::Export::ExportToS3Settings::StorageClass TProtoAccessor::GetProto(NExport::TExportToS3Settings::EStorageClass value) {
+    switch (value) {
+    case NExport::TExportToS3Settings::EStorageClass::STANDARD:
+        return Ydb::Export::ExportToS3Settings::STANDARD;
+    case NExport::TExportToS3Settings::EStorageClass::REDUCED_REDUNDANCY:
+        return Ydb::Export::ExportToS3Settings::REDUCED_REDUNDANCY;
+    case NExport::TExportToS3Settings::EStorageClass::STANDARD_IA:
+        return Ydb::Export::ExportToS3Settings::STANDARD_IA;
+    case NExport::TExportToS3Settings::EStorageClass::ONEZONE_IA:
+        return Ydb::Export::ExportToS3Settings::ONEZONE_IA;
+    case NExport::TExportToS3Settings::EStorageClass::INTELLIGENT_TIERING:
+        return Ydb::Export::ExportToS3Settings::INTELLIGENT_TIERING;
+    case NExport::TExportToS3Settings::EStorageClass::GLACIER:
+        return Ydb::Export::ExportToS3Settings::GLACIER;
+    case NExport::TExportToS3Settings::EStorageClass::DEEP_ARCHIVE:
+        return Ydb::Export::ExportToS3Settings::DEEP_ARCHIVE;
+    case NExport::TExportToS3Settings::EStorageClass::OUTPOSTS:
+        return Ydb::Export::ExportToS3Settings::OUTPOSTS;
+    default:
+        return Ydb::Export::ExportToS3Settings::STORAGE_CLASS_UNSPECIFIED;
+    }
+}
+
+NExport::TExportToS3Settings::EStorageClass TProtoAccessor::FromProto(Ydb::Export::ExportToS3Settings::StorageClass value) {
+    switch (value) {
+    case Ydb::Export::ExportToS3Settings::STORAGE_CLASS_UNSPECIFIED:
+        return NExport::TExportToS3Settings::EStorageClass::NOT_SET;
+    case Ydb::Export::ExportToS3Settings::STANDARD:
+        return NExport::TExportToS3Settings::EStorageClass::STANDARD;
+    case Ydb::Export::ExportToS3Settings::REDUCED_REDUNDANCY:
+        return NExport::TExportToS3Settings::EStorageClass::REDUCED_REDUNDANCY;
+    case Ydb::Export::ExportToS3Settings::STANDARD_IA:
+        return NExport::TExportToS3Settings::EStorageClass::STANDARD_IA;
+    case Ydb::Export::ExportToS3Settings::ONEZONE_IA:
+        return NExport::TExportToS3Settings::EStorageClass::ONEZONE_IA;
+    case Ydb::Export::ExportToS3Settings::INTELLIGENT_TIERING:
+        return NExport::TExportToS3Settings::EStorageClass::INTELLIGENT_TIERING;
+    case Ydb::Export::ExportToS3Settings::GLACIER:
+        return NExport::TExportToS3Settings::EStorageClass::GLACIER;
+    case Ydb::Export::ExportToS3Settings::DEEP_ARCHIVE:
+        return NExport::TExportToS3Settings::EStorageClass::DEEP_ARCHIVE;
+    case Ydb::Export::ExportToS3Settings::OUTPOSTS:
+        return NExport::TExportToS3Settings::EStorageClass::OUTPOSTS;
+    default:
+        return NExport::TExportToS3Settings::EStorageClass::UNKNOWN;
+    }
+}
+
+NExport::EExportProgress TProtoAccessor::FromProto(Ydb::Export::ExportProgress::Progress value) {
+    switch (value) {
+    case Ydb::Export::ExportProgress::PROGRESS_UNSPECIFIED:
+        return NExport::EExportProgress::Unspecified;
+    case Ydb::Export::ExportProgress::PROGRESS_PREPARING:
+        return NExport::EExportProgress::Preparing;
+    case Ydb::Export::ExportProgress::PROGRESS_TRANSFER_DATA:
+        return NExport::EExportProgress::TransferData;
+    case Ydb::Export::ExportProgress::PROGRESS_DONE:
+        return NExport::EExportProgress::Done;
+    case Ydb::Export::ExportProgress::PROGRESS_CANCELLATION:
+        return NExport::EExportProgress::Cancellation;
+    case Ydb::Export::ExportProgress::PROGRESS_CANCELLED:
+        return NExport::EExportProgress::Cancelled;
+    default:
+        return NExport::EExportProgress::Unknown;
+    }
+}
+
+NImport::EImportProgress TProtoAccessor::FromProto(Ydb::Import::ImportProgress::Progress value) {
+    switch (value) {
+    case Ydb::Import::ImportProgress::PROGRESS_UNSPECIFIED:
+        return NImport::EImportProgress::Unspecified;
+    case Ydb::Import::ImportProgress::PROGRESS_PREPARING:
+        return NImport::EImportProgress::Preparing;
+    case Ydb::Import::ImportProgress::PROGRESS_TRANSFER_DATA:
+        return NImport::EImportProgress::TransferData;
+    case Ydb::Import::ImportProgress::PROGRESS_BUILD_INDEXES:
+        return NImport::EImportProgress::BuildIndexes;
+    case Ydb::Import::ImportProgress::PROGRESS_DONE:
+        return NImport::EImportProgress::Done;
+    case Ydb::Import::ImportProgress::PROGRESS_CANCELLATION:
+        return NImport::EImportProgress::Cancellation;
+    case Ydb::Import::ImportProgress::PROGRESS_CANCELLED:
+        return NImport::EImportProgress::Cancelled;
+    default:
+        return NImport::EImportProgress::Unknown;
+    }
+}
+
 } // namespace NYdb
diff --git a/ydb/public/sdk/cpp/client/ydb_proto/accessor.h b/ydb/public/sdk/cpp/client/ydb_proto/accessor.h
index e4cbc49587..be0165d74b 100644
--- a/ydb/public/sdk/cpp/client/ydb_proto/accessor.h
+++ b/ydb/public/sdk/cpp/client/ydb_proto/accessor.h
@@ -21,7 +21,7 @@ class TType;
 namespace NTable {
 class TQueryStats;
 class TTableDescription;
-class TIndexDescription; 
+class TIndexDescription;
 }
 
 //! Provides access to raw protobuf values of YDB API entities. It is not recommended to use this
@@ -37,20 +37,20 @@ public:
     static const Ydb::PersQueue::V1::DescribeTopicResult& GetProto(const NYdb::NPersQueue::TDescribeTopicResult& topicDescription);
 
     static NTable::TQueryStats FromProto(const Ydb::TableStats::QueryStats& queryStats);
-    static NTable::TTableDescription FromProto(const Ydb::Table::CreateTableRequest& request); 
-    static NTable::TIndexDescription FromProto(const Ydb::Table::TableIndex& tableIndex); 
-    static NTable::TIndexDescription FromProto(const Ydb::Table::TableIndexDescription& tableIndexDesc); 
- 
-    static Ydb::Table::ValueSinceUnixEpochModeSettings::Unit GetProto(NTable::TValueSinceUnixEpochModeSettings::EUnit value); 
-    static NTable::TValueSinceUnixEpochModeSettings::EUnit FromProto(Ydb::Table::ValueSinceUnixEpochModeSettings::Unit value); 
- 
-    // exports & imports 
-    template <typename TProtoSettings> static typename TProtoSettings::Scheme GetProto(ES3Scheme value); 
-    template <typename TProtoSettings> static ES3Scheme FromProto(typename TProtoSettings::Scheme value); 
-    static Ydb::Export::ExportToS3Settings::StorageClass GetProto(NExport::TExportToS3Settings::EStorageClass value); 
-    static NExport::TExportToS3Settings::EStorageClass FromProto(Ydb::Export::ExportToS3Settings::StorageClass value); 
-    static NExport::EExportProgress FromProto(Ydb::Export::ExportProgress::Progress value); 
-    static NImport::EImportProgress FromProto(Ydb::Import::ImportProgress::Progress value); 
+    static NTable::TTableDescription FromProto(const Ydb::Table::CreateTableRequest& request);
+    static NTable::TIndexDescription FromProto(const Ydb::Table::TableIndex& tableIndex);
+    static NTable::TIndexDescription FromProto(const Ydb::Table::TableIndexDescription& tableIndexDesc);
+
+    static Ydb::Table::ValueSinceUnixEpochModeSettings::Unit GetProto(NTable::TValueSinceUnixEpochModeSettings::EUnit value);
+    static NTable::TValueSinceUnixEpochModeSettings::EUnit FromProto(Ydb::Table::ValueSinceUnixEpochModeSettings::Unit value);
+
+    // exports & imports
+    template <typename TProtoSettings> static typename TProtoSettings::Scheme GetProto(ES3Scheme value);
+    template <typename TProtoSettings> static ES3Scheme FromProto(typename TProtoSettings::Scheme value);
+    static Ydb::Export::ExportToS3Settings::StorageClass GetProto(NExport::TExportToS3Settings::EStorageClass value);
+    static NExport::TExportToS3Settings::EStorageClass FromProto(Ydb::Export::ExportToS3Settings::StorageClass value);
+    static NExport::EExportProgress FromProto(Ydb::Export::ExportProgress::Progress value);
+    static NImport::EImportProgress FromProto(Ydb::Import::ImportProgress::Progress value);
 };
 
 } // namespace NYdb
diff --git a/ydb/public/sdk/cpp/client/ydb_result/result.cpp b/ydb/public/sdk/cpp/client/ydb_result/result.cpp
index 24043ae326..dc7eb09c0a 100644
--- a/ydb/public/sdk/cpp/client/ydb_result/result.cpp
+++ b/ydb/public/sdk/cpp/client/ydb_result/result.cpp
@@ -12,19 +12,19 @@
 
 namespace NYdb {
 
-TString TColumn::ToString() const { 
-    TString result; 
-    TStringOutput out(result); 
-    Out(out); 
-    return result; 
-} 
- 
-void TColumn::Out(IOutputStream& o) const { 
-    o << "{ name: \"" << Name << "\"" 
-      << ", type: " << Type 
-      << " }"; 
-} 
- 
+TString TColumn::ToString() const {
+    TString result;
+    TStringOutput out(result);
+    Out(out);
+    return result;
+}
+
+void TColumn::Out(IOutputStream& o) const {
+    o << "{ name: \"" << Name << "\""
+      << ", type: " << Type
+      << " }";
+}
+
 bool operator==(const TColumn& col1, const TColumn& col2) {
     return col1.Name == col2.Name && TypesEqual(col1.Type, col2.Type);
 }
diff --git a/ydb/public/sdk/cpp/client/ydb_result/result.h b/ydb/public/sdk/cpp/client/ydb_result/result.h
index e5b84a455d..287c8078be 100644
--- a/ydb/public/sdk/cpp/client/ydb_result/result.h
+++ b/ydb/public/sdk/cpp/client/ydb_result/result.h
@@ -20,9 +20,9 @@ struct TColumn {
     TColumn(const TString& name, const TType& type)
         : Name(name)
         , Type(type) {}
- 
-    TString ToString() const; 
-    void Out(IOutputStream& o) const; 
+
+    TString ToString() const;
+    void Out(IOutputStream& o) const;
 };
 
 bool operator==(const TColumn& col1, const TColumn& col2);
@@ -107,7 +107,7 @@ private:
 using TResultSets = TVector<TResultSet>;
 
 } // namespace NYdb
- 
-Y_DECLARE_OUT_SPEC(inline, NYdb::TColumn, o, x) { 
-    return x.Out(o); 
-} 
+
+Y_DECLARE_OUT_SPEC(inline, NYdb::TColumn, o, x) {
+    return x.Out(o);
+}
diff --git a/ydb/public/sdk/cpp/client/ydb_scheme/scheme.cpp b/ydb/public/sdk/cpp/client/ydb_scheme/scheme.cpp
index 36c14ee829..31f5535b96 100644
--- a/ydb/public/sdk/cpp/client/ydb_scheme/scheme.cpp
+++ b/ydb/public/sdk/cpp/client/ydb_scheme/scheme.cpp
@@ -33,8 +33,8 @@ static ESchemeEntryType ConvertProtoEntryType(::Ydb::Scheme::Entry::Type entry)
         return ESchemeEntryType::CoordinationNode;
     case ::Ydb::Scheme::Entry::SEQUENCE:
         return ESchemeEntryType::Sequence;
-    case ::Ydb::Scheme::Entry::REPLICATION: 
-        return ESchemeEntryType::Replication; 
+    case ::Ydb::Scheme::Entry::REPLICATION:
+        return ESchemeEntryType::Replication;
     default:
         return ESchemeEntryType::Unknown;
     }
@@ -82,7 +82,7 @@ public:
                     entry.Name = result.self().name();
                     entry.Owner = result.self().owner();
                     entry.Type = ConvertProtoEntryType(result.self().type());
-                    entry.SizeBytes = result.self().size_bytes(); 
+                    entry.SizeBytes = result.self().size_bytes();
                     PermissionToSchemeEntry(result.self().effective_permissions(), &entry.EffectivePermissions);
                     PermissionToSchemeEntry(result.self().permissions(), &entry.Permissions);
                 }
diff --git a/ydb/public/sdk/cpp/client/ydb_scheme/scheme.h b/ydb/public/sdk/cpp/client/ydb_scheme/scheme.h
index f32d51a9cc..9d762b14c6 100644
--- a/ydb/public/sdk/cpp/client/ydb_scheme/scheme.h
+++ b/ydb/public/sdk/cpp/client/ydb_scheme/scheme.h
@@ -29,7 +29,7 @@ enum class ESchemeEntryType : i32 {
     BlockStoreVolume = 6,
     CoordinationNode = 7,
     Sequence = 15,
-    Replication = 16, 
+    Replication = 16,
 };
 
 struct TSchemeEntry {
@@ -38,7 +38,7 @@ struct TSchemeEntry {
     ESchemeEntryType Type;
     TVector<TPermissions> EffectivePermissions;
     TVector<TPermissions> Permissions;
-    ui64 SizeBytes = 0; 
+    ui64 SizeBytes = 0;
 };
 
 ////////////////////////////////////////////////////////////////////////////////
diff --git a/ydb/public/sdk/cpp/client/ydb_table/proto_accessor.cpp b/ydb/public/sdk/cpp/client/ydb_table/proto_accessor.cpp
index c64dc8060a..40bfe74f67 100644
--- a/ydb/public/sdk/cpp/client/ydb_table/proto_accessor.cpp
+++ b/ydb/public/sdk/cpp/client/ydb_table/proto_accessor.cpp
@@ -20,42 +20,42 @@ NTable::TTableDescription TProtoAccessor::FromProto(const Ydb::Table::CreateTabl
     return NTable::TTableDescription(request);
 }
 
-NTable::TIndexDescription TProtoAccessor::FromProto(const Ydb::Table::TableIndex& tableIndex) { 
-    return NTable::TIndexDescription(tableIndex); 
-}
- 
-NTable::TIndexDescription TProtoAccessor::FromProto(const Ydb::Table::TableIndexDescription& tableIndexDesc) { 
-    return NTable::TIndexDescription(tableIndexDesc); 
-} 
- 
-Ydb::Table::ValueSinceUnixEpochModeSettings::Unit TProtoAccessor::GetProto(NTable::TValueSinceUnixEpochModeSettings::EUnit value) { 
-    switch (value) { 
-    case NTable::TValueSinceUnixEpochModeSettings::EUnit::Seconds: 
-        return Ydb::Table::ValueSinceUnixEpochModeSettings::UNIT_SECONDS; 
-    case NTable::TValueSinceUnixEpochModeSettings::EUnit::MilliSeconds: 
-        return Ydb::Table::ValueSinceUnixEpochModeSettings::UNIT_MILLISECONDS; 
-    case NTable::TValueSinceUnixEpochModeSettings::EUnit::MicroSeconds: 
-        return Ydb::Table::ValueSinceUnixEpochModeSettings::UNIT_MICROSECONDS; 
-    case NTable::TValueSinceUnixEpochModeSettings::EUnit::NanoSeconds: 
-        return Ydb::Table::ValueSinceUnixEpochModeSettings::UNIT_NANOSECONDS; 
-    case NTable::TValueSinceUnixEpochModeSettings::EUnit::Unknown: 
-        return Ydb::Table::ValueSinceUnixEpochModeSettings::UNIT_UNSPECIFIED; 
-    } 
-} 
- 
-NTable::TValueSinceUnixEpochModeSettings::EUnit TProtoAccessor::FromProto(Ydb::Table::ValueSinceUnixEpochModeSettings::Unit value) { 
-    switch (value) { 
-    case Ydb::Table::ValueSinceUnixEpochModeSettings::UNIT_SECONDS: 
-        return NTable::TValueSinceUnixEpochModeSettings::EUnit::Seconds; 
-    case Ydb::Table::ValueSinceUnixEpochModeSettings::UNIT_MILLISECONDS: 
-        return NTable::TValueSinceUnixEpochModeSettings::EUnit::MilliSeconds; 
-    case Ydb::Table::ValueSinceUnixEpochModeSettings::UNIT_MICROSECONDS: 
-        return NTable::TValueSinceUnixEpochModeSettings::EUnit::MicroSeconds; 
-    case Ydb::Table::ValueSinceUnixEpochModeSettings::UNIT_NANOSECONDS: 
-        return NTable::TValueSinceUnixEpochModeSettings::EUnit::NanoSeconds; 
-    default: 
-        return NTable::TValueSinceUnixEpochModeSettings::EUnit::Unknown; 
-    } 
-} 
- 
-} 
+NTable::TIndexDescription TProtoAccessor::FromProto(const Ydb::Table::TableIndex& tableIndex) {
+    return NTable::TIndexDescription(tableIndex);
+}
+
+NTable::TIndexDescription TProtoAccessor::FromProto(const Ydb::Table::TableIndexDescription& tableIndexDesc) {
+    return NTable::TIndexDescription(tableIndexDesc);
+}
+
+Ydb::Table::ValueSinceUnixEpochModeSettings::Unit TProtoAccessor::GetProto(NTable::TValueSinceUnixEpochModeSettings::EUnit value) {
+    switch (value) {
+    case NTable::TValueSinceUnixEpochModeSettings::EUnit::Seconds:
+        return Ydb::Table::ValueSinceUnixEpochModeSettings::UNIT_SECONDS;
+    case NTable::TValueSinceUnixEpochModeSettings::EUnit::MilliSeconds:
+        return Ydb::Table::ValueSinceUnixEpochModeSettings::UNIT_MILLISECONDS;
+    case NTable::TValueSinceUnixEpochModeSettings::EUnit::MicroSeconds:
+        return Ydb::Table::ValueSinceUnixEpochModeSettings::UNIT_MICROSECONDS;
+    case NTable::TValueSinceUnixEpochModeSettings::EUnit::NanoSeconds:
+        return Ydb::Table::ValueSinceUnixEpochModeSettings::UNIT_NANOSECONDS;
+    case NTable::TValueSinceUnixEpochModeSettings::EUnit::Unknown:
+        return Ydb::Table::ValueSinceUnixEpochModeSettings::UNIT_UNSPECIFIED;
+    }
+}
+
+NTable::TValueSinceUnixEpochModeSettings::EUnit TProtoAccessor::FromProto(Ydb::Table::ValueSinceUnixEpochModeSettings::Unit value) {
+    switch (value) {
+    case Ydb::Table::ValueSinceUnixEpochModeSettings::UNIT_SECONDS:
+        return NTable::TValueSinceUnixEpochModeSettings::EUnit::Seconds;
+    case Ydb::Table::ValueSinceUnixEpochModeSettings::UNIT_MILLISECONDS:
+        return NTable::TValueSinceUnixEpochModeSettings::EUnit::MilliSeconds;
+    case Ydb::Table::ValueSinceUnixEpochModeSettings::UNIT_MICROSECONDS:
+        return NTable::TValueSinceUnixEpochModeSettings::EUnit::MicroSeconds;
+    case Ydb::Table::ValueSinceUnixEpochModeSettings::UNIT_NANOSECONDS:
+        return NTable::TValueSinceUnixEpochModeSettings::EUnit::NanoSeconds;
+    default:
+        return NTable::TValueSinceUnixEpochModeSettings::EUnit::Unknown;
+    }
+}
+
+}
diff --git a/ydb/public/sdk/cpp/client/ydb_table/table.cpp b/ydb/public/sdk/cpp/client/ydb_table/table.cpp
index c90154bbfe..610fec3884 100644
--- a/ydb/public/sdk/cpp/client/ydb_table/table.cpp
+++ b/ydb/public/sdk/cpp/client/ydb_table/table.cpp
@@ -19,7 +19,7 @@
 
 #include <util/generic/map.h>
 #include <util/random/random.h>
-#include <util/string/join.h> 
+#include <util/string/join.h>
 
 #include <unordered_map>
 
@@ -164,7 +164,7 @@ TBuildIndexOperation::TBuildIndexOperation(TStatus &&status, Ydb::Operations::Op
     Metadata_.Progress = metadata.progress();
     const auto& desc = metadata.description();
     Metadata_.Path = desc.path();
-    Metadata_.Desctiption = TProtoAccessor::FromProto(desc.index()); 
+    Metadata_.Desctiption = TProtoAccessor::FromProto(desc.index());
 }
 
 const TBuildIndexOperation::TMetadata& TBuildIndexOperation::Metadata() const {
@@ -248,100 +248,100 @@ static TInstant ProtobufTimestampToTInstant(const NProtoBuf::Timestamp& timestam
 }
 
 class TTableDescription::TImpl {
-    using EUnit = TValueSinceUnixEpochModeSettings::EUnit; 
- 
-    template <typename TProto> 
-    TImpl(const TProto& proto) 
-        : StorageSettings_(proto.storage_settings()) 
-        , PartitioningSettings_(proto.partitioning_settings()) 
-        , HasStorageSettings_(proto.has_storage_settings()) 
-        , HasPartitioningSettings_(proto.has_partitioning_settings()) 
+    using EUnit = TValueSinceUnixEpochModeSettings::EUnit;
+
+    template <typename TProto>
+    TImpl(const TProto& proto)
+        : StorageSettings_(proto.storage_settings())
+        , PartitioningSettings_(proto.partitioning_settings())
+        , HasStorageSettings_(proto.has_storage_settings())
+        , HasPartitioningSettings_(proto.has_partitioning_settings())
     {
-        // primary key 
-        for (const auto& pk : proto.primary_key()) { 
+        // primary key
+        for (const auto& pk : proto.primary_key()) {
             PrimaryKey_.push_back(pk);
         }
- 
-        // columns 
-        for (const auto& col : proto.columns()) { 
+
+        // columns
+        for (const auto& col : proto.columns()) {
             Columns_.emplace_back(col.name(), col.type(), col.family());
         }
- 
-        // indexes 
-        Indexes_.reserve(proto.indexesSize()); 
-        for (const auto& index : proto.indexes()) { 
-            Indexes_.emplace_back(TProtoAccessor::FromProto(index)); 
+
+        // indexes
+        Indexes_.reserve(proto.indexesSize());
+        for (const auto& index : proto.indexes()) {
+            Indexes_.emplace_back(TProtoAccessor::FromProto(index));
+        }
+
+        // ttl settings
+        switch (proto.ttl_settings().mode_case()) {
+        case Ydb::Table::TtlSettings::kDateTypeColumn:
+            TtlSettings_ = TTtlSettings(
+                proto.ttl_settings().date_type_column(),
+                proto.ttl_settings().run_interval_seconds()
+            );
+            break;
+
+        case Ydb::Table::TtlSettings::kValueSinceUnixEpoch:
+            TtlSettings_ = TTtlSettings(
+                proto.ttl_settings().value_since_unix_epoch(),
+                proto.ttl_settings().run_interval_seconds()
+            );
+            break;
+
+        default:
+            break;
+        }
+
+        // column families
+        ColumnFamilies_.reserve(proto.column_families_size());
+        for (const auto& family : proto.column_families()) {
+            ColumnFamilies_.emplace_back(family);
+        }
+
+        // attributes
+        for (auto [key, value] : proto.attributes()) {
+            Attributes_[key] = value;
+        }
+
+        // key bloom filter
+        switch (proto.key_bloom_filter()) {
+        case Ydb::FeatureFlag::ENABLED:
+            KeyBloomFilter_ = true;
+            break;
+        case Ydb::FeatureFlag::DISABLED:
+            KeyBloomFilter_ = false;
+            break;
+        default:
+            break;
+        }
+
+        // read replicas settings
+        if (proto.has_read_replicas_settings()) {
+            const auto settings = proto.read_replicas_settings();
+            switch (settings.settings_case()) {
+            case Ydb::Table::ReadReplicasSettings::kPerAzReadReplicasCount:
+                ReadReplicasSettings_ = TReadReplicasSettings(
+                    TReadReplicasSettings::EMode::PerAz,
+                    settings.per_az_read_replicas_count());
+                break;
+            case Ydb::Table::ReadReplicasSettings::kAnyAzReadReplicasCount:
+                ReadReplicasSettings_ = TReadReplicasSettings(
+                    TReadReplicasSettings::EMode::AnyAz,
+                    settings.any_az_read_replicas_count());
+                break;
+            default:
+                break;
+            }
         }
- 
-        // ttl settings 
-        switch (proto.ttl_settings().mode_case()) { 
-        case Ydb::Table::TtlSettings::kDateTypeColumn: 
-            TtlSettings_ = TTtlSettings( 
-                proto.ttl_settings().date_type_column(), 
-                proto.ttl_settings().run_interval_seconds() 
-            ); 
-            break; 
- 
-        case Ydb::Table::TtlSettings::kValueSinceUnixEpoch: 
-            TtlSettings_ = TTtlSettings( 
-                proto.ttl_settings().value_since_unix_epoch(), 
-                proto.ttl_settings().run_interval_seconds() 
-            ); 
-            break; 
- 
-        default: 
-            break; 
-        } 
- 
-        // column families 
-        ColumnFamilies_.reserve(proto.column_families_size()); 
-        for (const auto& family : proto.column_families()) { 
-            ColumnFamilies_.emplace_back(family); 
-        } 
- 
-        // attributes 
-        for (auto [key, value] : proto.attributes()) { 
-            Attributes_[key] = value; 
-        } 
- 
-        // key bloom filter 
-        switch (proto.key_bloom_filter()) { 
-        case Ydb::FeatureFlag::ENABLED: 
-            KeyBloomFilter_ = true; 
-            break; 
-        case Ydb::FeatureFlag::DISABLED: 
-            KeyBloomFilter_ = false; 
-            break; 
-        default: 
-            break; 
-        } 
- 
-        // read replicas settings 
-        if (proto.has_read_replicas_settings()) { 
-            const auto settings = proto.read_replicas_settings(); 
-            switch (settings.settings_case()) { 
-            case Ydb::Table::ReadReplicasSettings::kPerAzReadReplicasCount: 
-                ReadReplicasSettings_ = TReadReplicasSettings( 
-                    TReadReplicasSettings::EMode::PerAz, 
-                    settings.per_az_read_replicas_count()); 
-                break; 
-            case Ydb::Table::ReadReplicasSettings::kAnyAzReadReplicasCount: 
-                ReadReplicasSettings_ = TReadReplicasSettings( 
-                    TReadReplicasSettings::EMode::AnyAz, 
-                    settings.any_az_read_replicas_count()); 
-                break; 
-            default: 
-                break; 
-            } 
-        } 
-    } 
- 
-public: 
-    TImpl(Ydb::Table::DescribeTableResult&& desc, const TDescribeTableSettings& describeSettings) 
-        : TImpl(desc) 
-    { 
-        Proto_ = std::move(desc); 
- 
+    }
+
+public:
+    TImpl(Ydb::Table::DescribeTableResult&& desc, const TDescribeTableSettings& describeSettings)
+        : TImpl(desc)
+    {
+        Proto_ = std::move(desc);
+
         Owner_ = Proto_.self().owner();
         PermissionToSchemeEntry(Proto_.self().permissions(), &Permissions_);
         PermissionToSchemeEntry(Proto_.self().effective_permissions(), &EffectivePermissions_);
@@ -377,33 +377,33 @@ public:
                 leftValue ? TKeyBound::Inclusive(*leftValue) : TMaybe<TKeyBound>(),
                 TMaybe<TKeyBound>()));
         }
-    } 
-
-    struct TCreateTableRequestTag {}; // to avoid delegation cycle 
- 
-    TImpl(const Ydb::Table::CreateTableRequest& request, TCreateTableRequestTag) 
-        : TImpl(request) 
-    { 
-        if (request.compaction_policy()) { 
-            SetCompactionPolicy(request.compaction_policy()); 
-        } 
-
-        switch (request.partitions_case()) { 
-            case Ydb::Table::CreateTableRequest::kUniformPartitions: 
-                SetUniformPartitions(request.uniform_partitions()); 
-                break; 
-
-            case Ydb::Table::CreateTableRequest::kPartitionAtKeys: { 
-                TExplicitPartitions partitionAtKeys; 
-                for (const auto& splitPoint : request.partition_at_keys().split_points()) { 
-                    TValue value(TType(splitPoint.type()), splitPoint.value()); 
-                    partitionAtKeys.AppendSplitPoints(value); 
-                } 
- 
-                SetPartitionAtKeys(partitionAtKeys); 
+    }
+
+    struct TCreateTableRequestTag {}; // to avoid delegation cycle
+
+    TImpl(const Ydb::Table::CreateTableRequest& request, TCreateTableRequestTag)
+        : TImpl(request)
+    {
+        if (request.compaction_policy()) {
+            SetCompactionPolicy(request.compaction_policy());
+        }
+
+        switch (request.partitions_case()) {
+            case Ydb::Table::CreateTableRequest::kUniformPartitions:
+                SetUniformPartitions(request.uniform_partitions());
                 break;
-            } 
- 
+
+            case Ydb::Table::CreateTableRequest::kPartitionAtKeys: {
+                TExplicitPartitions partitionAtKeys;
+                for (const auto& splitPoint : request.partition_at_keys().split_points()) {
+                    TValue value(TType(splitPoint.type()), splitPoint.value());
+                    partitionAtKeys.AppendSplitPoints(value);
+                }
+
+                SetPartitionAtKeys(partitionAtKeys);
+                break;
+            }
+
             default:
                 break;
         }
@@ -423,22 +423,22 @@ public:
         PrimaryKey_ = primaryKeyColumns;
     }
 
-    void AddSecondaryIndex(const TString& indexName, EIndexType type, const TVector<TString>& indexColumns) { 
-        Indexes_.emplace_back(TIndexDescription(indexName, type, indexColumns)); 
+    void AddSecondaryIndex(const TString& indexName, EIndexType type, const TVector<TString>& indexColumns) {
+        Indexes_.emplace_back(TIndexDescription(indexName, type, indexColumns));
     }
 
-    void AddSecondaryIndex(const TString& indexName, EIndexType type, const TVector<TString>& indexColumns, const TVector<TString>& dataColumns) { 
-        Indexes_.emplace_back(TIndexDescription(indexName, type, indexColumns, dataColumns)); 
+    void AddSecondaryIndex(const TString& indexName, EIndexType type, const TVector<TString>& indexColumns, const TVector<TString>& dataColumns) {
+        Indexes_.emplace_back(TIndexDescription(indexName, type, indexColumns, dataColumns));
+    }
+
+    void SetTtlSettings(TTtlSettings&& settings) {
+        TtlSettings_ = std::move(settings);
+    }
+
+    void SetTtlSettings(const TTtlSettings& settings) {
+        TtlSettings_ = settings;
     }
 
-    void SetTtlSettings(TTtlSettings&& settings) { 
-        TtlSettings_ = std::move(settings); 
-    } 
- 
-    void SetTtlSettings(const TTtlSettings& settings) { 
-        TtlSettings_ = settings; 
-    } 
- 
     void SetStorageSettings(const TStorageSettings& settings) {
         StorageSettings_ = settings;
         HasStorageSettings_ = true;
@@ -448,18 +448,18 @@ public:
         ColumnFamilies_.emplace_back(desc);
     }
 
-    void AddAttribute(const TString& key, const TString& value) { 
-        Attributes_[key] = value; 
-    } 
- 
-    void SetAttributes(const THashMap<TString, TString>& attrs) { 
-        Attributes_ = attrs; 
-    } 
- 
-    void SetAttributes(THashMap<TString, TString>&& attrs) { 
-        Attributes_ = std::move(attrs); 
-    } 
- 
+    void AddAttribute(const TString& key, const TString& value) {
+        Attributes_[key] = value;
+    }
+
+    void SetAttributes(const THashMap<TString, TString>& attrs) {
+        Attributes_ = attrs;
+    }
+
+    void SetAttributes(THashMap<TString, TString>&& attrs) {
+        Attributes_ = std::move(attrs);
+    }
+
     void SetCompactionPolicy(const TString& name) {
         CompactionPolicy_ = name;
     }
@@ -497,10 +497,10 @@ public:
         return Indexes_;
     }
 
-    const TMaybe<TTtlSettings>& GetTtlSettings() const { 
-        return TtlSettings_; 
-    } 
- 
+    const TMaybe<TTtlSettings>& GetTtlSettings() const {
+        return TtlSettings_;
+    }
+
     const TString& GetOwner() const {
         return Owner_;
     }
@@ -525,10 +525,10 @@ public:
         return TableStats;
     }
 
-    bool HasStorageSettings() const { 
-        return HasStorageSettings_; 
-    } 
- 
+    bool HasStorageSettings() const {
+        return HasStorageSettings_;
+    }
+
     const TStorageSettings& GetStorageSettings() const {
         return StorageSettings_;
     }
@@ -537,26 +537,26 @@ public:
         return ColumnFamilies_;
     }
 
-    const THashMap<TString, TString>& GetAttributes() const { 
-        return Attributes_; 
-    } 
- 
-    const TString& GetCompactionPolicy() const { 
-        return CompactionPolicy_; 
-    } 
- 
-    const TMaybe<ui64>& GetUniformPartitions() const { 
-        return UniformPartitions_; 
-    } 
- 
-    const TMaybe<TExplicitPartitions>& GetPartitionAtKeys() const { 
-        return PartitionAtKeys_; 
-    } 
- 
-    bool HasPartitioningSettings() const { 
-        return HasPartitioningSettings_; 
-    } 
- 
+    const THashMap<TString, TString>& GetAttributes() const {
+        return Attributes_;
+    }
+
+    const TString& GetCompactionPolicy() const {
+        return CompactionPolicy_;
+    }
+
+    const TMaybe<ui64>& GetUniformPartitions() const {
+        return UniformPartitions_;
+    }
+
+    const TMaybe<TExplicitPartitions>& GetPartitionAtKeys() const {
+        return PartitionAtKeys_;
+    }
+
+    bool HasPartitioningSettings() const {
+        return HasPartitioningSettings_;
+    }
+
     const TPartitioningSettings& GetPartitioningSettings() const {
         return PartitioningSettings_;
     }
@@ -575,7 +575,7 @@ private:
     TVector<TString> PrimaryKey_;
     TVector<TTableColumn> Columns_;
     TVector<TIndexDescription> Indexes_;
-    TMaybe<TTtlSettings> TtlSettings_; 
+    TMaybe<TTtlSettings> TtlSettings_;
     TString Owner_;
     TVector<NScheme::TPermissions> Permissions_;
     TVector<NScheme::TPermissions> EffectivePermissions_;
@@ -583,7 +583,7 @@ private:
     TVector<TPartitionStats> PartitionStats_;
     TTableStats TableStats;
     TVector<TColumnFamilyDescription> ColumnFamilies_;
-    THashMap<TString, TString> Attributes_; 
+    THashMap<TString, TString> Attributes_;
     TString CompactionPolicy_;
     TMaybe<ui64> UniformPartitions_;
     TMaybe<TExplicitPartitions> PartitionAtKeys_;
@@ -605,11 +605,11 @@ TTableDescription::TTableDescription(Ydb::Table::DescribeTableResult&& desc,
 {
 }
 
-TTableDescription::TTableDescription(const Ydb::Table::CreateTableRequest& request) 
-    : Impl_(new TImpl(request, TImpl::TCreateTableRequestTag())) 
-{ 
-} 
- 
+TTableDescription::TTableDescription(const Ydb::Table::CreateTableRequest& request)
+    : Impl_(new TImpl(request, TImpl::TCreateTableRequestTag()))
+{
+}
+
 const TVector<TString>& TTableDescription::GetPrimaryKeyColumns() const {
     return Impl_->GetPrimaryKeyColumns();
 }
@@ -632,10 +632,10 @@ TVector<TIndexDescription> TTableDescription::GetIndexDescriptions() const {
     return Impl_->GetIndexDescriptions();
 }
 
-TMaybe<TTtlSettings> TTableDescription::GetTtlSettings() const { 
-    return Impl_->GetTtlSettings(); 
-} 
- 
+TMaybe<TTtlSettings> TTableDescription::GetTtlSettings() const {
+    return Impl_->GetTtlSettings();
+}
+
 const TString& TTableDescription::GetOwner() const {
     return Impl_->GetOwner();
 }
@@ -660,46 +660,46 @@ void TTableDescription::SetPrimaryKeyColumns(const TVector<TString>& primaryKeyC
     Impl_->SetPrimaryKeyColumns(primaryKeyColumns);
 }
 
-void TTableDescription::AddSecondaryIndex(const TString& indexName, EIndexType type, const TVector<TString>& indexColumns) { 
-    Impl_->AddSecondaryIndex(indexName, type, indexColumns); 
-} 
- 
-void TTableDescription::AddSecondaryIndex(const TString& indexName, EIndexType type, const TVector<TString>& indexColumns, const TVector<TString>& dataColumns) { 
-    Impl_->AddSecondaryIndex(indexName, type, indexColumns, dataColumns); 
-} 
- 
-void TTableDescription::AddSyncSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns) { 
-    AddSecondaryIndex(indexName, EIndexType::GlobalSync, indexColumns); 
-}
-
-void TTableDescription::AddSyncSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns, const TVector<TString>& dataColumns) { 
-    AddSecondaryIndex(indexName, EIndexType::GlobalSync, indexColumns, dataColumns); 
-}
-
-void TTableDescription::AddAsyncSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns) { 
-    AddSecondaryIndex(indexName, EIndexType::GlobalAsync, indexColumns); 
-} 
- 
-void TTableDescription::AddAsyncSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns, const TVector<TString>& dataColumns) { 
-    AddSecondaryIndex(indexName, EIndexType::GlobalAsync, indexColumns, dataColumns); 
-} 
- 
-void TTableDescription::AddSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns) { 
-    AddSyncSecondaryIndex(indexName, indexColumns); 
-} 
- 
-void TTableDescription::AddSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns, const TVector<TString>& dataColumns) { 
-    AddSyncSecondaryIndex(indexName, indexColumns, dataColumns); 
-} 
- 
-void TTableDescription::SetTtlSettings(TTtlSettings&& settings) { 
-    Impl_->SetTtlSettings(std::move(settings)); 
-} 
- 
-void TTableDescription::SetTtlSettings(const TTtlSettings& settings) { 
-    Impl_->SetTtlSettings(settings); 
-} 
- 
+void TTableDescription::AddSecondaryIndex(const TString& indexName, EIndexType type, const TVector<TString>& indexColumns) {
+    Impl_->AddSecondaryIndex(indexName, type, indexColumns);
+}
+
+void TTableDescription::AddSecondaryIndex(const TString& indexName, EIndexType type, const TVector<TString>& indexColumns, const TVector<TString>& dataColumns) {
+    Impl_->AddSecondaryIndex(indexName, type, indexColumns, dataColumns);
+}
+
+void TTableDescription::AddSyncSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns) {
+    AddSecondaryIndex(indexName, EIndexType::GlobalSync, indexColumns);
+}
+
+void TTableDescription::AddSyncSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns, const TVector<TString>& dataColumns) {
+    AddSecondaryIndex(indexName, EIndexType::GlobalSync, indexColumns, dataColumns);
+}
+
+void TTableDescription::AddAsyncSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns) {
+    AddSecondaryIndex(indexName, EIndexType::GlobalAsync, indexColumns);
+}
+
+void TTableDescription::AddAsyncSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns, const TVector<TString>& dataColumns) {
+    AddSecondaryIndex(indexName, EIndexType::GlobalAsync, indexColumns, dataColumns);
+}
+
+void TTableDescription::AddSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns) {
+    AddSyncSecondaryIndex(indexName, indexColumns);
+}
+
+void TTableDescription::AddSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns, const TVector<TString>& dataColumns) {
+    AddSyncSecondaryIndex(indexName, indexColumns, dataColumns);
+}
+
+void TTableDescription::SetTtlSettings(TTtlSettings&& settings) {
+    Impl_->SetTtlSettings(std::move(settings));
+}
+
+void TTableDescription::SetTtlSettings(const TTtlSettings& settings) {
+    Impl_->SetTtlSettings(settings);
+}
+
 void TTableDescription::SetStorageSettings(const TStorageSettings& settings) {
     Impl_->SetStorageSettings(settings);
 }
@@ -708,18 +708,18 @@ void TTableDescription::AddColumnFamily(const TColumnFamilyDescription& desc) {
     Impl_->AddColumnFamily(desc);
 }
 
-void TTableDescription::AddAttribute(const TString& key, const TString& value) { 
-    Impl_->AddAttribute(key, value); 
-} 
- 
-void TTableDescription::SetAttributes(const THashMap<TString, TString>& attrs) { 
-    Impl_->SetAttributes(attrs); 
-} 
- 
-void TTableDescription::SetAttributes(THashMap<TString, TString>&& attrs) { 
-    Impl_->SetAttributes(std::move(attrs)); 
-} 
- 
+void TTableDescription::AddAttribute(const TString& key, const TString& value) {
+    Impl_->AddAttribute(key, value);
+}
+
+void TTableDescription::SetAttributes(const THashMap<TString, TString>& attrs) {
+    Impl_->SetAttributes(attrs);
+}
+
+void TTableDescription::SetAttributes(THashMap<TString, TString>&& attrs) {
+    Impl_->SetAttributes(std::move(attrs));
+}
+
 void TTableDescription::SetCompactionPolicy(const TString& name) {
     Impl_->SetCompactionPolicy(name);
 }
@@ -776,10 +776,10 @@ const TVector<TColumnFamilyDescription>& TTableDescription::GetColumnFamilies()
     return Impl_->GetColumnFamilies();
 }
 
-const THashMap<TString, TString>& TTableDescription::GetAttributes() const { 
-    return Impl_->GetAttributes(); 
-} 
- 
+const THashMap<TString, TString>& TTableDescription::GetAttributes() const {
+    return Impl_->GetAttributes();
+}
+
 const TPartitioningSettings& TTableDescription::GetPartitioningSettings() const {
     return Impl_->GetPartitioningSettings();
 }
@@ -796,84 +796,84 @@ const Ydb::Table::DescribeTableResult& TTableDescription::GetProto() const {
     return Impl_->GetProto();
 }
 
-void TTableDescription::SerializeTo(Ydb::Table::CreateTableRequest& request) const { 
-    for (const auto& column : Impl_->GetColumns()) { 
-        auto& protoColumn = *request.add_columns(); 
-        protoColumn.set_name(column.Name); 
-        protoColumn.mutable_type()->CopyFrom(TProtoAccessor::GetProto(column.Type)); 
-        protoColumn.set_family(column.Family); 
-    } 
- 
-    for (const auto& pk : Impl_->GetPrimaryKeyColumns()) { 
-        request.add_primary_key(pk); 
-    } 
- 
-    for (const auto& index : Impl_->GetIndexDescriptions()) { 
-        index.SerializeTo(*request.add_indexes()); 
-    } 
- 
-    if (const auto& ttl = Impl_->GetTtlSettings()) { 
-        ttl->SerializeTo(*request.mutable_ttl_settings()); 
-    } 
- 
-    if (Impl_->HasStorageSettings()) { 
-        request.mutable_storage_settings()->CopyFrom(Impl_->GetStorageSettings().GetProto()); 
-    } 
- 
-    for (const auto& family : Impl_->GetColumnFamilies()) { 
-        auto* f = request.add_column_families(); 
-        f->CopyFrom(family.GetProto()); 
-    } 
- 
-    for (const auto& [key, value] : Impl_->GetAttributes()) { 
-        (*request.mutable_attributes())[key] = value; 
-    } 
- 
-    if (Impl_->GetCompactionPolicy()) { 
-        request.set_compaction_policy(Impl_->GetCompactionPolicy()); 
-    } 
- 
-    if (const auto& uniformPartitions = Impl_->GetUniformPartitions()) { 
-        request.set_uniform_partitions(uniformPartitions.GetRef()); 
-    } 
- 
-    if (const auto& partitionAtKeys = Impl_->GetPartitionAtKeys()) { 
-        auto* borders = request.mutable_partition_at_keys(); 
-        for (const auto& splitPoint : partitionAtKeys->SplitPoints_) { 
-            auto* border = borders->Addsplit_points(); 
-            border->mutable_type()->CopyFrom(TProtoAccessor::GetProto(splitPoint.GetType())); 
-            border->mutable_value()->CopyFrom(TProtoAccessor::GetProto(splitPoint)); 
-        } 
-    } else if (Impl_->GetProto().shard_key_bounds_size()) { 
-        request.mutable_partition_at_keys()->mutable_split_points()->CopyFrom(Impl_->GetProto().shard_key_bounds()); 
-    } 
- 
-    if (Impl_->HasPartitioningSettings()) { 
-        request.mutable_partitioning_settings()->CopyFrom(Impl_->GetPartitioningSettings().GetProto()); 
-    } 
- 
-    if (auto keyBloomFilter = Impl_->GetKeyBloomFilter()) { 
-        if (keyBloomFilter.GetRef()) { 
-            request.set_key_bloom_filter(Ydb::FeatureFlag::ENABLED); 
-        } else { 
-            request.set_key_bloom_filter(Ydb::FeatureFlag::DISABLED); 
-        } 
-    } 
- 
-    if (const auto& settings = Impl_->GetReadReplicasSettings()) { 
-        switch (settings->GetMode()) { 
-        case TReadReplicasSettings::EMode::PerAz: 
-            request.mutable_read_replicas_settings()->set_per_az_read_replicas_count(settings->GetReadReplicasCount()); 
-            break; 
-        case TReadReplicasSettings::EMode::AnyAz: 
-            request.mutable_read_replicas_settings()->set_any_az_read_replicas_count(settings->GetReadReplicasCount()); 
-            break; 
-        default: 
-            break; 
-        } 
-    } 
-} 
- 
+void TTableDescription::SerializeTo(Ydb::Table::CreateTableRequest& request) const {
+    for (const auto& column : Impl_->GetColumns()) {
+        auto& protoColumn = *request.add_columns();
+        protoColumn.set_name(column.Name);
+        protoColumn.mutable_type()->CopyFrom(TProtoAccessor::GetProto(column.Type));
+        protoColumn.set_family(column.Family);
+    }
+
+    for (const auto& pk : Impl_->GetPrimaryKeyColumns()) {
+        request.add_primary_key(pk);
+    }
+
+    for (const auto& index : Impl_->GetIndexDescriptions()) {
+        index.SerializeTo(*request.add_indexes());
+    }
+
+    if (const auto& ttl = Impl_->GetTtlSettings()) {
+        ttl->SerializeTo(*request.mutable_ttl_settings());
+    }
+
+    if (Impl_->HasStorageSettings()) {
+        request.mutable_storage_settings()->CopyFrom(Impl_->GetStorageSettings().GetProto());
+    }
+
+    for (const auto& family : Impl_->GetColumnFamilies()) {
+        auto* f = request.add_column_families();
+        f->CopyFrom(family.GetProto());
+    }
+
+    for (const auto& [key, value] : Impl_->GetAttributes()) {
+        (*request.mutable_attributes())[key] = value;
+    }
+
+    if (Impl_->GetCompactionPolicy()) {
+        request.set_compaction_policy(Impl_->GetCompactionPolicy());
+    }
+
+    if (const auto& uniformPartitions = Impl_->GetUniformPartitions()) {
+        request.set_uniform_partitions(uniformPartitions.GetRef());
+    }
+
+    if (const auto& partitionAtKeys = Impl_->GetPartitionAtKeys()) {
+        auto* borders = request.mutable_partition_at_keys();
+        for (const auto& splitPoint : partitionAtKeys->SplitPoints_) {
+            auto* border = borders->Addsplit_points();
+            border->mutable_type()->CopyFrom(TProtoAccessor::GetProto(splitPoint.GetType()));
+            border->mutable_value()->CopyFrom(TProtoAccessor::GetProto(splitPoint));
+        }
+    } else if (Impl_->GetProto().shard_key_bounds_size()) {
+        request.mutable_partition_at_keys()->mutable_split_points()->CopyFrom(Impl_->GetProto().shard_key_bounds());
+    }
+
+    if (Impl_->HasPartitioningSettings()) {
+        request.mutable_partitioning_settings()->CopyFrom(Impl_->GetPartitioningSettings().GetProto());
+    }
+
+    if (auto keyBloomFilter = Impl_->GetKeyBloomFilter()) {
+        if (keyBloomFilter.GetRef()) {
+            request.set_key_bloom_filter(Ydb::FeatureFlag::ENABLED);
+        } else {
+            request.set_key_bloom_filter(Ydb::FeatureFlag::DISABLED);
+        }
+    }
+
+    if (const auto& settings = Impl_->GetReadReplicasSettings()) {
+        switch (settings->GetMode()) {
+        case TReadReplicasSettings::EMode::PerAz:
+            request.mutable_read_replicas_settings()->set_per_az_read_replicas_count(settings->GetReadReplicasCount());
+            break;
+        case TReadReplicasSettings::EMode::AnyAz:
+            request.mutable_read_replicas_settings()->set_any_az_read_replicas_count(settings->GetReadReplicasCount());
+            break;
+        default:
+            break;
+        }
+    }
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 
 class TStorageSettingsBuilder::TImpl {
@@ -1043,75 +1043,75 @@ TTableBuilder& TTableBuilder::SetPrimaryKeyColumn(const TString& primaryKeyColum
     return *this;
 }
 
-TTableBuilder& TTableBuilder::AddSecondaryIndex(const TString& indexName, EIndexType type, const TVector<TString>& indexColumns, const TVector<TString>& dataColumns) { 
-    TableDescription_.AddSecondaryIndex(indexName, type, indexColumns, dataColumns); 
+TTableBuilder& TTableBuilder::AddSecondaryIndex(const TString& indexName, EIndexType type, const TVector<TString>& indexColumns, const TVector<TString>& dataColumns) {
+    TableDescription_.AddSecondaryIndex(indexName, type, indexColumns, dataColumns);
     return *this;
 }
 
-TTableBuilder& TTableBuilder::AddSecondaryIndex(const TString& indexName, EIndexType type, const TVector<TString>& indexColumns) { 
-    TableDescription_.AddSecondaryIndex(indexName, type, indexColumns); 
+TTableBuilder& TTableBuilder::AddSecondaryIndex(const TString& indexName, EIndexType type, const TVector<TString>& indexColumns) {
+    TableDescription_.AddSecondaryIndex(indexName, type, indexColumns);
+    return *this;
+}
+
+TTableBuilder& TTableBuilder::AddSecondaryIndex(const TString& indexName, EIndexType type, const TString& indexColumn) {
+    TableDescription_.AddSecondaryIndex(indexName, type, TVector<TString>{indexColumn});
+    return *this;
+}
+
+TTableBuilder& TTableBuilder::AddSyncSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns, const TVector<TString>& dataColumns) {
+    return AddSecondaryIndex(indexName, EIndexType::GlobalSync, indexColumns, dataColumns);
+}
+
+TTableBuilder& TTableBuilder::AddSyncSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns) {
+    return AddSecondaryIndex(indexName, EIndexType::GlobalSync, indexColumns);
+}
+
+TTableBuilder& TTableBuilder::AddSyncSecondaryIndex(const TString& indexName, const TString& indexColumn) {
+    return AddSecondaryIndex(indexName, EIndexType::GlobalSync, indexColumn);
+}
+
+TTableBuilder& TTableBuilder::AddAsyncSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns, const TVector<TString>& dataColumns) {
+    return AddSecondaryIndex(indexName, EIndexType::GlobalAsync, indexColumns, dataColumns);
+}
+
+TTableBuilder& TTableBuilder::AddAsyncSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns) {
+    return AddSecondaryIndex(indexName, EIndexType::GlobalAsync, indexColumns);
+}
+
+TTableBuilder& TTableBuilder::AddAsyncSecondaryIndex(const TString& indexName, const TString& indexColumn) {
+    return AddSecondaryIndex(indexName, EIndexType::GlobalAsync, indexColumn);
+}
+
+TTableBuilder& TTableBuilder::AddSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns, const TVector<TString>& dataColumns) {
+    return AddSyncSecondaryIndex(indexName, indexColumns, dataColumns);
+}
+
+TTableBuilder& TTableBuilder::AddSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns) {
+    return AddSyncSecondaryIndex(indexName, indexColumns);
+}
+
+TTableBuilder& TTableBuilder::AddSecondaryIndex(const TString& indexName, const TString& indexColumn) {
+    return AddSyncSecondaryIndex(indexName, indexColumn);
+}
+
+TTableBuilder& TTableBuilder::SetTtlSettings(TTtlSettings&& settings) {
+    TableDescription_.SetTtlSettings(std::move(settings));
     return *this;
 }
 
-TTableBuilder& TTableBuilder::AddSecondaryIndex(const TString& indexName, EIndexType type, const TString& indexColumn) { 
-    TableDescription_.AddSecondaryIndex(indexName, type, TVector<TString>{indexColumn}); 
+TTableBuilder& TTableBuilder::SetTtlSettings(const TTtlSettings& settings) {
+    TableDescription_.SetTtlSettings(settings);
     return *this;
 }
 
-TTableBuilder& TTableBuilder::AddSyncSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns, const TVector<TString>& dataColumns) { 
-    return AddSecondaryIndex(indexName, EIndexType::GlobalSync, indexColumns, dataColumns); 
-} 
- 
-TTableBuilder& TTableBuilder::AddSyncSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns) { 
-    return AddSecondaryIndex(indexName, EIndexType::GlobalSync, indexColumns); 
-} 
- 
-TTableBuilder& TTableBuilder::AddSyncSecondaryIndex(const TString& indexName, const TString& indexColumn) { 
-    return AddSecondaryIndex(indexName, EIndexType::GlobalSync, indexColumn); 
-} 
- 
-TTableBuilder& TTableBuilder::AddAsyncSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns, const TVector<TString>& dataColumns) { 
-    return AddSecondaryIndex(indexName, EIndexType::GlobalAsync, indexColumns, dataColumns); 
-} 
- 
-TTableBuilder& TTableBuilder::AddAsyncSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns) { 
-    return AddSecondaryIndex(indexName, EIndexType::GlobalAsync, indexColumns); 
-} 
- 
-TTableBuilder& TTableBuilder::AddAsyncSecondaryIndex(const TString& indexName, const TString& indexColumn) { 
-    return AddSecondaryIndex(indexName, EIndexType::GlobalAsync, indexColumn); 
-} 
- 
-TTableBuilder& TTableBuilder::AddSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns, const TVector<TString>& dataColumns) { 
-    return AddSyncSecondaryIndex(indexName, indexColumns, dataColumns); 
-} 
- 
-TTableBuilder& TTableBuilder::AddSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns) { 
-    return AddSyncSecondaryIndex(indexName, indexColumns); 
-} 
- 
-TTableBuilder& TTableBuilder::AddSecondaryIndex(const TString& indexName, const TString& indexColumn) { 
-    return AddSyncSecondaryIndex(indexName, indexColumn); 
-} 
- 
-TTableBuilder& TTableBuilder::SetTtlSettings(TTtlSettings&& settings) { 
-    TableDescription_.SetTtlSettings(std::move(settings)); 
-    return *this; 
-} 
- 
-TTableBuilder& TTableBuilder::SetTtlSettings(const TTtlSettings& settings) { 
-    TableDescription_.SetTtlSettings(settings); 
-    return *this; 
-} 
- 
-TTableBuilder& TTableBuilder::SetTtlSettings(const TString& columnName, const TDuration& expireAfter) { 
-    return SetTtlSettings(TTtlSettings(columnName, expireAfter)); 
-} 
- 
-TTableBuilder& TTableBuilder::SetTtlSettings(const TString& columnName, EUnit columnUnit, const TDuration& expireAfter) { 
-    return SetTtlSettings(TTtlSettings(columnName, columnUnit, expireAfter)); 
-} 
- 
+TTableBuilder& TTableBuilder::SetTtlSettings(const TString& columnName, const TDuration& expireAfter) {
+    return SetTtlSettings(TTtlSettings(columnName, expireAfter));
+}
+
+TTableBuilder& TTableBuilder::SetTtlSettings(const TString& columnName, EUnit columnUnit, const TDuration& expireAfter) {
+    return SetTtlSettings(TTtlSettings(columnName, columnUnit, expireAfter));
+}
+
 TTableBuilder& TTableBuilder::SetStorageSettings(const TStorageSettings& settings) {
     TableDescription_.SetStorageSettings(settings);
     return *this;
@@ -1122,21 +1122,21 @@ TTableBuilder& TTableBuilder::AddColumnFamily(const TColumnFamilyDescription& de
     return *this;
 }
 
-TTableBuilder& TTableBuilder::AddAttribute(const TString& key, const TString& value) { 
-    TableDescription_.AddAttribute(key, value); 
-    return *this; 
-} 
- 
-TTableBuilder& TTableBuilder::SetAttributes(const THashMap<TString, TString>& attrs) { 
-    TableDescription_.SetAttributes(attrs); 
-    return *this; 
-} 
- 
-TTableBuilder& TTableBuilder::SetAttributes(THashMap<TString, TString>&& attrs) { 
-    TableDescription_.SetAttributes(std::move(attrs)); 
-    return *this; 
-} 
- 
+TTableBuilder& TTableBuilder::AddAttribute(const TString& key, const TString& value) {
+    TableDescription_.AddAttribute(key, value);
+    return *this;
+}
+
+TTableBuilder& TTableBuilder::SetAttributes(const THashMap<TString, TString>& attrs) {
+    TableDescription_.SetAttributes(attrs);
+    return *this;
+}
+
+TTableBuilder& TTableBuilder::SetAttributes(THashMap<TString, TString>&& attrs) {
+    TableDescription_.SetAttributes(std::move(attrs));
+    return *this;
+}
+
 TTableBuilder& TTableBuilder::SetCompactionPolicy(const TString& name) {
     TableDescription_.SetCompactionPolicy(name);
     return *this;
@@ -3684,7 +3684,7 @@ TFuture<TStatus> TSession::CreateTable(const TString& path, TTableDescription&&
     request.set_session_id(SessionImpl_->GetId());
     request.set_path(path);
 
-    tableDesc.SerializeTo(request); 
+    tableDesc.SerializeTo(request);
 
     ConvertCreateTableSettingsToProto(settings, request.mutable_profile());
 
@@ -3728,7 +3728,7 @@ static Ydb::Table::AlterTableRequest MakeAlterTableProtoRequest(
     }
 
     for (const auto& addIndex : settings.AddIndexes_) {
-        addIndex.SerializeTo(*request.add_add_indexes()); 
+        addIndex.SerializeTo(*request.add_add_indexes());
     }
 
     for (const auto& dropIndex : settings.DropIndexes_) {
@@ -3747,21 +3747,21 @@ static Ydb::Table::AlterTableRequest MakeAlterTableProtoRequest(
         request.add_alter_column_families()->CopyFrom(family.GetProto());
     }
 
-    if (const auto& ttl = settings.GetAlterTtlSettings()) { 
-        switch (ttl->GetAction()) { 
-        case TAlterTtlSettings::EAction::Set: 
-            ttl->GetTtlSettings().SerializeTo(*request.mutable_set_ttl_settings()); 
-            break; 
-        case TAlterTtlSettings::EAction::Drop: 
-            request.mutable_drop_ttl_settings(); 
-            break; 
-        } 
-    } 
- 
-    for (const auto& [key, value] : settings.AlterAttributes_) { 
-        (*request.mutable_alter_attributes())[key] = value; 
-    } 
- 
+    if (const auto& ttl = settings.GetAlterTtlSettings()) {
+        switch (ttl->GetAction()) {
+        case TAlterTtlSettings::EAction::Set:
+            ttl->GetTtlSettings().SerializeTo(*request.mutable_set_ttl_settings());
+            break;
+        case TAlterTtlSettings::EAction::Drop:
+            request.mutable_drop_ttl_settings();
+            break;
+        }
+    }
+
+    for (const auto& [key, value] : settings.AlterAttributes_) {
+        (*request.mutable_alter_attributes())[key] = value;
+    }
+
     if (settings.SetCompactionPolicy_) {
         request.set_set_compaction_policy(settings.SetCompactionPolicy_);
     }
@@ -4297,34 +4297,34 @@ bool TRenameItem::ReplaceDestination() const {
 
 ////////////////////////////////////////////////////////////////////////////////
 
-TIndexDescription::TIndexDescription(const TString& name, EIndexType type, 
-        const TVector<TString>& indexColumns, const TVector<TString>& dataColumns) 
+TIndexDescription::TIndexDescription(const TString& name, EIndexType type,
+        const TVector<TString>& indexColumns, const TVector<TString>& dataColumns)
     : IndexName_(name)
-    , IndexType_(type) 
+    , IndexType_(type)
     , IndexColumns_(indexColumns)
-    , DataColumns_(dataColumns) 
+    , DataColumns_(dataColumns)
+{}
+
+TIndexDescription::TIndexDescription(const TString& name, const TVector<TString>& indexColumns, const TVector<TString>& dataColumns)
+    : TIndexDescription(name, EIndexType::GlobalSync, indexColumns, dataColumns)
+{}
+
+TIndexDescription::TIndexDescription(const Ydb::Table::TableIndex& tableIndex)
+    : TIndexDescription(FromProto(tableIndex))
+{}
+
+TIndexDescription::TIndexDescription(const Ydb::Table::TableIndexDescription& tableIndexDesc)
+    : TIndexDescription(FromProto(tableIndexDesc))
 {}
 
-TIndexDescription::TIndexDescription(const TString& name, const TVector<TString>& indexColumns, const TVector<TString>& dataColumns) 
-    : TIndexDescription(name, EIndexType::GlobalSync, indexColumns, dataColumns) 
-{} 
- 
-TIndexDescription::TIndexDescription(const Ydb::Table::TableIndex& tableIndex) 
-    : TIndexDescription(FromProto(tableIndex)) 
-{} 
- 
-TIndexDescription::TIndexDescription(const Ydb::Table::TableIndexDescription& tableIndexDesc) 
-    : TIndexDescription(FromProto(tableIndexDesc)) 
-{} 
- 
 const TString& TIndexDescription::GetIndexName() const {
     return IndexName_;
 }
 
-EIndexType TIndexDescription::GetIndexType() const { 
-    return IndexType_; 
-} 
- 
+EIndexType TIndexDescription::GetIndexType() const {
+    return IndexType_;
+}
+
 const TVector<TString>& TIndexDescription::GetIndexColumns() const {
     return IndexColumns_;
 }
@@ -4333,326 +4333,326 @@ const TVector<TString>& TIndexDescription::GetDataColumns() const {
     return DataColumns_;
 }
 
-ui64 TIndexDescription::GetSizeBytes() const { 
-    return SizeBytes; 
-} 
- 
-template <typename TProto> 
-TIndexDescription TIndexDescription::FromProto(const TProto& proto) { 
-    EIndexType type; 
-    TVector<TString> indexColumns; 
-    TVector<TString> dataColumns; 
- 
-    indexColumns.assign(proto.index_columns().begin(), proto.index_columns().end()); 
+ui64 TIndexDescription::GetSizeBytes() const {
+    return SizeBytes;
+}
+
+template <typename TProto>
+TIndexDescription TIndexDescription::FromProto(const TProto& proto) {
+    EIndexType type;
+    TVector<TString> indexColumns;
+    TVector<TString> dataColumns;
+
+    indexColumns.assign(proto.index_columns().begin(), proto.index_columns().end());
     dataColumns.assign(proto.data_columns().begin(), proto.data_columns().end());
 
-    switch (proto.type_case()) { 
-    case TProto::kGlobalIndex: 
-        type = EIndexType::GlobalSync; 
-        break; 
-    case TProto::kGlobalAsyncIndex: 
-        type = EIndexType::GlobalAsync; 
-        break; 
-    default: // fallback to global sync 
-        type = EIndexType::GlobalSync; 
-        break; 
-    } 
- 
-    auto result = TIndexDescription(proto.name(), type, indexColumns, dataColumns); 
-    if constexpr (std::is_same_v<TProto, Ydb::Table::TableIndexDescription>) { 
-        result.SizeBytes = proto.size_bytes(); 
-    } 
- 
-    return result; 
-} 
- 
-void TIndexDescription::SerializeTo(Ydb::Table::TableIndex& proto) const { 
-    proto.set_name(IndexName_); 
-    for (const auto& indexCol : IndexColumns_) { 
-        proto.add_index_columns(indexCol); 
-    } 
- 
+    switch (proto.type_case()) {
+    case TProto::kGlobalIndex:
+        type = EIndexType::GlobalSync;
+        break;
+    case TProto::kGlobalAsyncIndex:
+        type = EIndexType::GlobalAsync;
+        break;
+    default: // fallback to global sync
+        type = EIndexType::GlobalSync;
+        break;
+    }
+
+    auto result = TIndexDescription(proto.name(), type, indexColumns, dataColumns);
+    if constexpr (std::is_same_v<TProto, Ydb::Table::TableIndexDescription>) {
+        result.SizeBytes = proto.size_bytes();
+    }
+
+    return result;
+}
+
+void TIndexDescription::SerializeTo(Ydb::Table::TableIndex& proto) const {
+    proto.set_name(IndexName_);
+    for (const auto& indexCol : IndexColumns_) {
+        proto.add_index_columns(indexCol);
+    }
+
     *proto.mutable_data_columns() = {DataColumns_.begin(), DataColumns_.end()};
 
-    switch (IndexType_) { 
-    case EIndexType::GlobalSync: 
+    switch (IndexType_) {
+    case EIndexType::GlobalSync:
         *proto.mutable_global_index() = Ydb::Table::GlobalIndex();
-        break; 
-    case EIndexType::GlobalAsync: 
+        break;
+    case EIndexType::GlobalAsync:
         *proto.mutable_global_async_index() = Ydb::Table::GlobalAsyncIndex();
-        break; 
-    case EIndexType::Unknown: 
-        break; 
-    } 
-} 
- 
-TString TIndexDescription::ToString() const { 
-    TString result; 
-    TStringOutput out(result); 
-    Out(out); 
-    return result; 
-} 
- 
-void TIndexDescription::Out(IOutputStream& o) const { 
-    o << "{ name: \"" << IndexName_ << "\""; 
-    o << ", type: " << IndexType_ << ""; 
-    o << ", index_columns: [" << JoinSeq(", ", IndexColumns_) << "]"; 
- 
-    if (DataColumns_) { 
-        o << ", data_columns: [" << JoinSeq(", ", DataColumns_) << "]"; 
-    } 
- 
-    o << " }"; 
-} 
- 
-bool operator==(const TIndexDescription& lhs, const TIndexDescription& rhs) { 
-    return lhs.GetIndexName() == rhs.GetIndexName() 
-        && lhs.GetIndexType() == rhs.GetIndexType() 
-        && lhs.GetIndexColumns() == rhs.GetIndexColumns() 
-        && lhs.GetDataColumns() == rhs.GetDataColumns(); 
-} 
- 
-bool operator!=(const TIndexDescription& lhs, const TIndexDescription& rhs) { 
-    return !(lhs == rhs); 
-} 
- 
+        break;
+    case EIndexType::Unknown:
+        break;
+    }
+}
+
+TString TIndexDescription::ToString() const {
+    TString result;
+    TStringOutput out(result);
+    Out(out);
+    return result;
+}
+
+void TIndexDescription::Out(IOutputStream& o) const {
+    o << "{ name: \"" << IndexName_ << "\"";
+    o << ", type: " << IndexType_ << "";
+    o << ", index_columns: [" << JoinSeq(", ", IndexColumns_) << "]";
+
+    if (DataColumns_) {
+        o << ", data_columns: [" << JoinSeq(", ", DataColumns_) << "]";
+    }
+
+    o << " }";
+}
+
+bool operator==(const TIndexDescription& lhs, const TIndexDescription& rhs) {
+    return lhs.GetIndexName() == rhs.GetIndexName()
+        && lhs.GetIndexType() == rhs.GetIndexType()
+        && lhs.GetIndexColumns() == rhs.GetIndexColumns()
+        && lhs.GetDataColumns() == rhs.GetDataColumns();
+}
+
+bool operator!=(const TIndexDescription& lhs, const TIndexDescription& rhs) {
+    return !(lhs == rhs);
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 
-TDateTypeColumnModeSettings::TDateTypeColumnModeSettings(const TString& columnName, const TDuration& expireAfter) 
-    : ColumnName_(columnName) 
-    , ExpireAfter_(expireAfter) 
-{} 
- 
-void TDateTypeColumnModeSettings::SerializeTo(Ydb::Table::DateTypeColumnModeSettings& proto) const { 
-    proto.set_column_name(ColumnName_); 
-    proto.set_expire_after_seconds(ExpireAfter_.Seconds()); 
-} 
- 
-const TString& TDateTypeColumnModeSettings::GetColumnName() const { 
-    return ColumnName_; 
-} 
- 
-const TDuration& TDateTypeColumnModeSettings::GetExpireAfter() const { 
-    return ExpireAfter_; 
-} 
- 
-TValueSinceUnixEpochModeSettings::TValueSinceUnixEpochModeSettings(const TString& columnName, EUnit columnUnit, const TDuration& expireAfter) 
-    : ColumnName_(columnName) 
-    , ColumnUnit_(columnUnit) 
-    , ExpireAfter_(expireAfter) 
-{} 
- 
-void TValueSinceUnixEpochModeSettings::SerializeTo(Ydb::Table::ValueSinceUnixEpochModeSettings& proto) const { 
-    proto.set_column_name(ColumnName_); 
-    proto.set_column_unit(TProtoAccessor::GetProto(ColumnUnit_)); 
-    proto.set_expire_after_seconds(ExpireAfter_.Seconds()); 
-} 
- 
-const TString& TValueSinceUnixEpochModeSettings::GetColumnName() const { 
-    return ColumnName_; 
-} 
- 
-TValueSinceUnixEpochModeSettings::EUnit TValueSinceUnixEpochModeSettings::GetColumnUnit() const { 
-    return ColumnUnit_; 
-} 
- 
-const TDuration& TValueSinceUnixEpochModeSettings::GetExpireAfter() const { 
-    return ExpireAfter_; 
-} 
- 
-void TValueSinceUnixEpochModeSettings::Out(IOutputStream& out, EUnit unit) { 
-#define PRINT_UNIT(x) \ 
-    case EUnit::x: \ 
-        out << #x; \ 
-        break 
- 
-    switch (unit) { 
-    PRINT_UNIT(Seconds); 
-    PRINT_UNIT(MilliSeconds); 
-    PRINT_UNIT(MicroSeconds); 
-    PRINT_UNIT(NanoSeconds); 
-    PRINT_UNIT(Unknown); 
-    } 
- 
-#undef PRINT_UNIT 
-} 
- 
-TString TValueSinceUnixEpochModeSettings::ToString(EUnit unit) { 
-    TString result; 
-    TStringOutput out(result); 
-    Out(out, unit); 
-    return result; 
-} 
- 
-TValueSinceUnixEpochModeSettings::EUnit TValueSinceUnixEpochModeSettings::UnitFromString(const TString& value) { 
-    const auto norm = to_lower(value); 
- 
-    if (norm == "s" || norm == "sec" || norm == "seconds") { 
-        return EUnit::Seconds; 
-    } else if (norm == "ms" || norm == "msec" || norm == "milliseconds") { 
-        return EUnit::MilliSeconds; 
-    } else if (norm == "us" || norm == "usec" || norm == "microseconds") { 
-        return EUnit::MicroSeconds; 
-    } else if (norm == "ns" || norm == "nsec" || norm == "nanoseconds") { 
-        return EUnit::NanoSeconds; 
-    } 
- 
-    return EUnit::Unknown; 
-} 
- 
-TTtlSettings::TTtlSettings(const TString& columnName, const TDuration& expireAfter) 
-    : Mode_(TDateTypeColumnModeSettings(columnName, expireAfter)) 
-{} 
- 
-TTtlSettings::TTtlSettings(const Ydb::Table::DateTypeColumnModeSettings& mode, ui32 runIntervalSeconds) 
-    : TTtlSettings(mode.column_name(), TDuration::Seconds(mode.expire_after_seconds())) 
-{ 
-    RunInterval_ = TDuration::Seconds(runIntervalSeconds); 
-} 
- 
-const TDateTypeColumnModeSettings& TTtlSettings::GetDateTypeColumn() const { 
+TDateTypeColumnModeSettings::TDateTypeColumnModeSettings(const TString& columnName, const TDuration& expireAfter)
+    : ColumnName_(columnName)
+    , ExpireAfter_(expireAfter)
+{}
+
+void TDateTypeColumnModeSettings::SerializeTo(Ydb::Table::DateTypeColumnModeSettings& proto) const {
+    proto.set_column_name(ColumnName_);
+    proto.set_expire_after_seconds(ExpireAfter_.Seconds());
+}
+
+const TString& TDateTypeColumnModeSettings::GetColumnName() const {
+    return ColumnName_;
+}
+
+const TDuration& TDateTypeColumnModeSettings::GetExpireAfter() const {
+    return ExpireAfter_;
+}
+
+TValueSinceUnixEpochModeSettings::TValueSinceUnixEpochModeSettings(const TString& columnName, EUnit columnUnit, const TDuration& expireAfter)
+    : ColumnName_(columnName)
+    , ColumnUnit_(columnUnit)
+    , ExpireAfter_(expireAfter)
+{}
+
+void TValueSinceUnixEpochModeSettings::SerializeTo(Ydb::Table::ValueSinceUnixEpochModeSettings& proto) const {
+    proto.set_column_name(ColumnName_);
+    proto.set_column_unit(TProtoAccessor::GetProto(ColumnUnit_));
+    proto.set_expire_after_seconds(ExpireAfter_.Seconds());
+}
+
+const TString& TValueSinceUnixEpochModeSettings::GetColumnName() const {
+    return ColumnName_;
+}
+
+TValueSinceUnixEpochModeSettings::EUnit TValueSinceUnixEpochModeSettings::GetColumnUnit() const {
+    return ColumnUnit_;
+}
+
+const TDuration& TValueSinceUnixEpochModeSettings::GetExpireAfter() const {
+    return ExpireAfter_;
+}
+
+void TValueSinceUnixEpochModeSettings::Out(IOutputStream& out, EUnit unit) {
+#define PRINT_UNIT(x) \
+    case EUnit::x: \
+        out << #x; \
+        break
+
+    switch (unit) {
+    PRINT_UNIT(Seconds);
+    PRINT_UNIT(MilliSeconds);
+    PRINT_UNIT(MicroSeconds);
+    PRINT_UNIT(NanoSeconds);
+    PRINT_UNIT(Unknown);
+    }
+
+#undef PRINT_UNIT
+}
+
+TString TValueSinceUnixEpochModeSettings::ToString(EUnit unit) {
+    TString result;
+    TStringOutput out(result);
+    Out(out, unit);
+    return result;
+}
+
+TValueSinceUnixEpochModeSettings::EUnit TValueSinceUnixEpochModeSettings::UnitFromString(const TString& value) {
+    const auto norm = to_lower(value);
+
+    if (norm == "s" || norm == "sec" || norm == "seconds") {
+        return EUnit::Seconds;
+    } else if (norm == "ms" || norm == "msec" || norm == "milliseconds") {
+        return EUnit::MilliSeconds;
+    } else if (norm == "us" || norm == "usec" || norm == "microseconds") {
+        return EUnit::MicroSeconds;
+    } else if (norm == "ns" || norm == "nsec" || norm == "nanoseconds") {
+        return EUnit::NanoSeconds;
+    }
+
+    return EUnit::Unknown;
+}
+
+TTtlSettings::TTtlSettings(const TString& columnName, const TDuration& expireAfter)
+    : Mode_(TDateTypeColumnModeSettings(columnName, expireAfter))
+{}
+
+TTtlSettings::TTtlSettings(const Ydb::Table::DateTypeColumnModeSettings& mode, ui32 runIntervalSeconds)
+    : TTtlSettings(mode.column_name(), TDuration::Seconds(mode.expire_after_seconds()))
+{
+    RunInterval_ = TDuration::Seconds(runIntervalSeconds);
+}
+
+const TDateTypeColumnModeSettings& TTtlSettings::GetDateTypeColumn() const {
     return std::get<TDateTypeColumnModeSettings>(Mode_);
-} 
- 
-TTtlSettings::TTtlSettings(const TString& columnName, EUnit columnUnit, const TDuration& expireAfter) 
-    : Mode_(TValueSinceUnixEpochModeSettings(columnName, columnUnit, expireAfter)) 
-{} 
- 
-TTtlSettings::TTtlSettings(const Ydb::Table::ValueSinceUnixEpochModeSettings& mode, ui32 runIntervalSeconds) 
-    : TTtlSettings(mode.column_name(), TProtoAccessor::FromProto(mode.column_unit()), TDuration::Seconds(mode.expire_after_seconds())) 
-{ 
-    RunInterval_ = TDuration::Seconds(runIntervalSeconds); 
-} 
- 
-const TValueSinceUnixEpochModeSettings& TTtlSettings::GetValueSinceUnixEpoch() const { 
+}
+
+TTtlSettings::TTtlSettings(const TString& columnName, EUnit columnUnit, const TDuration& expireAfter)
+    : Mode_(TValueSinceUnixEpochModeSettings(columnName, columnUnit, expireAfter))
+{}
+
+TTtlSettings::TTtlSettings(const Ydb::Table::ValueSinceUnixEpochModeSettings& mode, ui32 runIntervalSeconds)
+    : TTtlSettings(mode.column_name(), TProtoAccessor::FromProto(mode.column_unit()), TDuration::Seconds(mode.expire_after_seconds()))
+{
+    RunInterval_ = TDuration::Seconds(runIntervalSeconds);
+}
+
+const TValueSinceUnixEpochModeSettings& TTtlSettings::GetValueSinceUnixEpoch() const {
     return std::get<TValueSinceUnixEpochModeSettings>(Mode_);
-} 
- 
-void TTtlSettings::SerializeTo(Ydb::Table::TtlSettings& proto) const { 
-    switch (GetMode()) { 
-    case EMode::DateTypeColumn: 
-        GetDateTypeColumn().SerializeTo(*proto.mutable_date_type_column()); 
-        break; 
-    case EMode::ValueSinceUnixEpoch: 
-        GetValueSinceUnixEpoch().SerializeTo(*proto.mutable_value_since_unix_epoch()); 
-        break; 
-    } 
- 
-    if (RunInterval_) { 
-        proto.set_run_interval_seconds(RunInterval_.Seconds()); 
-    } 
-} 
- 
-TTtlSettings::EMode TTtlSettings::GetMode() const { 
-    return static_cast<EMode>(Mode_.index()); 
-} 
- 
-TTtlSettings& TTtlSettings::SetRunInterval(const TDuration& value) { 
-    RunInterval_ = value; 
-    return *this; 
-} 
- 
-const TDuration& TTtlSettings::GetRunInterval() const { 
-    return RunInterval_; 
-} 
- 
-TAlterTtlSettings::EAction TAlterTtlSettings::GetAction() const { 
-    return static_cast<EAction>(Action_.index()); 
-} 
- 
-const TTtlSettings& TAlterTtlSettings::GetTtlSettings() const { 
+}
+
+void TTtlSettings::SerializeTo(Ydb::Table::TtlSettings& proto) const {
+    switch (GetMode()) {
+    case EMode::DateTypeColumn:
+        GetDateTypeColumn().SerializeTo(*proto.mutable_date_type_column());
+        break;
+    case EMode::ValueSinceUnixEpoch:
+        GetValueSinceUnixEpoch().SerializeTo(*proto.mutable_value_since_unix_epoch());
+        break;
+    }
+
+    if (RunInterval_) {
+        proto.set_run_interval_seconds(RunInterval_.Seconds());
+    }
+}
+
+TTtlSettings::EMode TTtlSettings::GetMode() const {
+    return static_cast<EMode>(Mode_.index());
+}
+
+TTtlSettings& TTtlSettings::SetRunInterval(const TDuration& value) {
+    RunInterval_ = value;
+    return *this;
+}
+
+const TDuration& TTtlSettings::GetRunInterval() const {
+    return RunInterval_;
+}
+
+TAlterTtlSettings::EAction TAlterTtlSettings::GetAction() const {
+    return static_cast<EAction>(Action_.index());
+}
+
+const TTtlSettings& TAlterTtlSettings::GetTtlSettings() const {
     return std::get<TTtlSettings>(Action_);
-} 
- 
-class TAlterTtlSettingsBuilder::TImpl { 
-    using EUnit = TValueSinceUnixEpochModeSettings::EUnit; 
- 
-public: 
-    TImpl() { } 
- 
-    void Drop() { 
-        AlterTtlSettings_ = TAlterTtlSettings::Drop(); 
-    } 
- 
-    void Set(TTtlSettings&& settings) { 
-        AlterTtlSettings_ = TAlterTtlSettings::Set(std::move(settings)); 
-    } 
- 
-    void Set(const TTtlSettings& settings) { 
-        AlterTtlSettings_ = TAlterTtlSettings::Set(settings); 
-    } 
- 
-    const TMaybe<TAlterTtlSettings>& GetAlterTtlSettings() const { 
-        return AlterTtlSettings_; 
-    } 
- 
-private: 
-    TMaybe<TAlterTtlSettings> AlterTtlSettings_; 
-}; 
- 
-TAlterTtlSettingsBuilder::TAlterTtlSettingsBuilder(TAlterTableSettings& parent) 
-    : Parent_(parent) 
-    , Impl_(std::make_shared<TImpl>()) 
-{ } 
- 
-TAlterTtlSettingsBuilder& TAlterTtlSettingsBuilder::Drop() { 
-    Impl_->Drop(); 
-    return *this; 
-} 
- 
-TAlterTtlSettingsBuilder& TAlterTtlSettingsBuilder::Set(TTtlSettings&& settings) { 
-    Impl_->Set(std::move(settings)); 
-    return *this; 
-} 
- 
-TAlterTtlSettingsBuilder& TAlterTtlSettingsBuilder::Set(const TTtlSettings& settings) { 
-    Impl_->Set(settings); 
-    return *this; 
-} 
- 
-TAlterTtlSettingsBuilder& TAlterTtlSettingsBuilder::Set(const TString& columnName, const TDuration& expireAfter) { 
-    return Set(TTtlSettings(columnName, expireAfter)); 
-} 
- 
-TAlterTtlSettingsBuilder& TAlterTtlSettingsBuilder::Set(const TString& columnName, EUnit columnUnit, const TDuration& expireAfter) { 
-    return Set(TTtlSettings(columnName, columnUnit, expireAfter)); 
-} 
- 
-TAlterTableSettings& TAlterTtlSettingsBuilder::EndAlterTtlSettings() { 
-    return Parent_.AlterTtlSettings(Impl_->GetAlterTtlSettings()); 
-} 
- 
-class TAlterTableSettings::TImpl { 
-public: 
-    TImpl() { } 
- 
-    void SetAlterTtlSettings(const TMaybe<TAlterTtlSettings>& value) { 
-        AlterTtlSettings_ = value; 
-    } 
- 
-    const TMaybe<TAlterTtlSettings>& GetAlterTtlSettings() const { 
-        return AlterTtlSettings_; 
-    } 
- 
-private: 
-    TMaybe<TAlterTtlSettings> AlterTtlSettings_; 
-}; 
- 
-TAlterTableSettings::TAlterTableSettings() 
-    : Impl_(std::make_shared<TImpl>()) 
-{ } 
- 
-TAlterTableSettings& TAlterTableSettings::AlterTtlSettings(const TMaybe<TAlterTtlSettings>& value) { 
-    Impl_->SetAlterTtlSettings(value); 
-    return *this; 
-} 
- 
-const TMaybe<TAlterTtlSettings>& TAlterTableSettings::GetAlterTtlSettings() const { 
-    return Impl_->GetAlterTtlSettings(); 
-} 
- 
-//////////////////////////////////////////////////////////////////////////////// 
- 
+}
+
+class TAlterTtlSettingsBuilder::TImpl {
+    using EUnit = TValueSinceUnixEpochModeSettings::EUnit;
+
+public:
+    TImpl() { }
+
+    void Drop() {
+        AlterTtlSettings_ = TAlterTtlSettings::Drop();
+    }
+
+    void Set(TTtlSettings&& settings) {
+        AlterTtlSettings_ = TAlterTtlSettings::Set(std::move(settings));
+    }
+
+    void Set(const TTtlSettings& settings) {
+        AlterTtlSettings_ = TAlterTtlSettings::Set(settings);
+    }
+
+    const TMaybe<TAlterTtlSettings>& GetAlterTtlSettings() const {
+        return AlterTtlSettings_;
+    }
+
+private:
+    TMaybe<TAlterTtlSettings> AlterTtlSettings_;
+};
+
+TAlterTtlSettingsBuilder::TAlterTtlSettingsBuilder(TAlterTableSettings& parent)
+    : Parent_(parent)
+    , Impl_(std::make_shared<TImpl>())
+{ }
+
+TAlterTtlSettingsBuilder& TAlterTtlSettingsBuilder::Drop() {
+    Impl_->Drop();
+    return *this;
+}
+
+TAlterTtlSettingsBuilder& TAlterTtlSettingsBuilder::Set(TTtlSettings&& settings) {
+    Impl_->Set(std::move(settings));
+    return *this;
+}
+
+TAlterTtlSettingsBuilder& TAlterTtlSettingsBuilder::Set(const TTtlSettings& settings) {
+    Impl_->Set(settings);
+    return *this;
+}
+
+TAlterTtlSettingsBuilder& TAlterTtlSettingsBuilder::Set(const TString& columnName, const TDuration& expireAfter) {
+    return Set(TTtlSettings(columnName, expireAfter));
+}
+
+TAlterTtlSettingsBuilder& TAlterTtlSettingsBuilder::Set(const TString& columnName, EUnit columnUnit, const TDuration& expireAfter) {
+    return Set(TTtlSettings(columnName, columnUnit, expireAfter));
+}
+
+TAlterTableSettings& TAlterTtlSettingsBuilder::EndAlterTtlSettings() {
+    return Parent_.AlterTtlSettings(Impl_->GetAlterTtlSettings());
+}
+
+class TAlterTableSettings::TImpl {
+public:
+    TImpl() { }
+
+    void SetAlterTtlSettings(const TMaybe<TAlterTtlSettings>& value) {
+        AlterTtlSettings_ = value;
+    }
+
+    const TMaybe<TAlterTtlSettings>& GetAlterTtlSettings() const {
+        return AlterTtlSettings_;
+    }
+
+private:
+    TMaybe<TAlterTtlSettings> AlterTtlSettings_;
+};
+
+TAlterTableSettings::TAlterTableSettings()
+    : Impl_(std::make_shared<TImpl>())
+{ }
+
+TAlterTableSettings& TAlterTableSettings::AlterTtlSettings(const TMaybe<TAlterTtlSettings>& value) {
+    Impl_->SetAlterTtlSettings(value);
+    return *this;
+}
+
+const TMaybe<TAlterTtlSettings>& TAlterTableSettings::GetAlterTtlSettings() const {
+    return Impl_->GetAlterTtlSettings();
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
 TReadReplicasSettings::TReadReplicasSettings(EMode mode, ui64 readReplicasCount)
     : Mode_(mode)
     , ReadReplicasCount_(readReplicasCount)
diff --git a/ydb/public/sdk/cpp/client/ydb_table/table.h b/ydb/public/sdk/cpp/client/ydb_table/table.h
index 002bdc0cbb..42d21d2fec 100644
--- a/ydb/public/sdk/cpp/client/ydb_table/table.h
+++ b/ydb/public/sdk/cpp/client/ydb_table/table.h
@@ -8,20 +8,20 @@
 #include <ydb/public/sdk/cpp/client/ydb_params/params.h>
 #include <ydb/public/sdk/cpp/client/ydb_types/operation/operation.h>
 
-#include <util/generic/hash.h> 
+#include <util/generic/hash.h>
 #include <util/generic/maybe.h>
-#include <util/generic/variant.h> 
+#include <util/generic/variant.h>
 
 namespace Ydb {
 namespace Table {
 
 class StorageSettings;
 class ColumnFamily;
-class CreateTableRequest; 
+class CreateTableRequest;
 class DescribeTableResult;
 class PartitioningSettings;
-class DateTypeColumnModeSettings; 
-class TtlSettings; 
+class DateTypeColumnModeSettings;
+class TtlSettings;
 class TableIndex;
 class TableIndexDescription;
 class ValueSinceUnixEpochModeSettings;
@@ -134,44 +134,44 @@ struct TAlterTableColumn {
 
 //! Represents index description
 class TIndexDescription {
-    friend class NYdb::TProtoAccessor; 
- 
+    friend class NYdb::TProtoAccessor;
+
 public:
-    TIndexDescription( 
-        const TString& name, EIndexType type, 
-        const TVector<TString>& indexColumns, 
-        const TVector<TString>& dataColumns = TVector<TString>()); 
- 
+    TIndexDescription(
+        const TString& name, EIndexType type,
+        const TVector<TString>& indexColumns,
+        const TVector<TString>& dataColumns = TVector<TString>());
+
     TIndexDescription(const TString& name, const TVector<TString>& indexColumns, const TVector<TString>& dataColumns = TVector<TString>());
 
     const TString& GetIndexName() const;
-    EIndexType GetIndexType() const; 
+    EIndexType GetIndexType() const;
     const TVector<TString>& GetIndexColumns() const;
     const TVector<TString>& GetDataColumns() const;
-    ui64 GetSizeBytes() const; 
- 
-    void SerializeTo(Ydb::Table::TableIndex& proto) const; 
-    TString ToString() const; 
-    void Out(IOutputStream& o) const; 
- 
+    ui64 GetSizeBytes() const;
+
+    void SerializeTo(Ydb::Table::TableIndex& proto) const;
+    TString ToString() const;
+    void Out(IOutputStream& o) const;
+
+private:
+    explicit TIndexDescription(const Ydb::Table::TableIndex& tableIndex);
+    explicit TIndexDescription(const Ydb::Table::TableIndexDescription& tableIndexDesc);
+
+    template <typename TProto>
+    static TIndexDescription FromProto(const TProto& proto);
+
 private:
-    explicit TIndexDescription(const Ydb::Table::TableIndex& tableIndex); 
-    explicit TIndexDescription(const Ydb::Table::TableIndexDescription& tableIndexDesc); 
- 
-    template <typename TProto> 
-    static TIndexDescription FromProto(const TProto& proto); 
- 
-private: 
     TString IndexName_;
-    EIndexType IndexType_; 
+    EIndexType IndexType_;
     TVector<TString> IndexColumns_;
     TVector<TString> DataColumns_;
-    ui64 SizeBytes = 0; 
+    ui64 SizeBytes = 0;
 };
 
-bool operator==(const TIndexDescription& lhs, const TIndexDescription& rhs); 
-bool operator!=(const TIndexDescription& lhs, const TIndexDescription& rhs); 
- 
+bool operator==(const TIndexDescription& lhs, const TIndexDescription& rhs);
+bool operator!=(const TIndexDescription& lhs, const TIndexDescription& rhs);
+
 class TBuildIndexOperation : public TOperation {
 public:
     using TOperation::TOperation;
@@ -196,117 +196,117 @@ struct TPartitionStats {
     ui64 Size = 0;
 };
 
-class TDateTypeColumnModeSettings { 
-public: 
-    explicit TDateTypeColumnModeSettings(const TString& columnName, const TDuration& expireAfter); 
-    void SerializeTo(Ydb::Table::DateTypeColumnModeSettings& proto) const; 
- 
-    const TString& GetColumnName() const; 
-    const TDuration& GetExpireAfter() const; 
- 
-private: 
-    TString ColumnName_; 
-    TDuration ExpireAfter_; 
-}; 
- 
-class TValueSinceUnixEpochModeSettings { 
-public: 
-    enum class EUnit { 
-        Seconds, 
-        MilliSeconds, 
-        MicroSeconds, 
-        NanoSeconds, 
- 
-        Unknown = std::numeric_limits<int>::max() 
-    }; 
- 
-public: 
-    explicit TValueSinceUnixEpochModeSettings(const TString& columnName, EUnit columnUnit, const TDuration& expireAfter); 
-    void SerializeTo(Ydb::Table::ValueSinceUnixEpochModeSettings& proto) const; 
- 
-    const TString& GetColumnName() const; 
-    EUnit GetColumnUnit() const; 
-    const TDuration& GetExpireAfter() const; 
- 
-    static void Out(IOutputStream& o, EUnit unit); 
-    static TString ToString(EUnit unit); 
-    static EUnit UnitFromString(const TString& value); 
- 
-private: 
-    TString ColumnName_; 
-    EUnit ColumnUnit_; 
-    TDuration ExpireAfter_; 
-}; 
- 
-//! Represents ttl settings 
-class TTtlSettings { 
-public: 
-    using EUnit = TValueSinceUnixEpochModeSettings::EUnit; 
- 
-    enum class EMode { 
-        DateTypeColumn = 0, 
-        ValueSinceUnixEpoch = 1, 
-    }; 
- 
-    explicit TTtlSettings(const TString& columnName, const TDuration& expireAfter); 
-    explicit TTtlSettings(const Ydb::Table::DateTypeColumnModeSettings& mode, ui32 runIntervalSeconds); 
-    const TDateTypeColumnModeSettings& GetDateTypeColumn() const; 
- 
-    explicit TTtlSettings(const TString& columnName, EUnit columnUnit, const TDuration& expireAfter); 
-    explicit TTtlSettings(const Ydb::Table::ValueSinceUnixEpochModeSettings& mode, ui32 runIntervalSeconds); 
-    const TValueSinceUnixEpochModeSettings& GetValueSinceUnixEpoch() const; 
- 
-    void SerializeTo(Ydb::Table::TtlSettings& proto) const; 
-    EMode GetMode() const; 
- 
-    TTtlSettings& SetRunInterval(const TDuration& value); 
-    const TDuration& GetRunInterval() const; 
- 
-private: 
+class TDateTypeColumnModeSettings {
+public:
+    explicit TDateTypeColumnModeSettings(const TString& columnName, const TDuration& expireAfter);
+    void SerializeTo(Ydb::Table::DateTypeColumnModeSettings& proto) const;
+
+    const TString& GetColumnName() const;
+    const TDuration& GetExpireAfter() const;
+
+private:
+    TString ColumnName_;
+    TDuration ExpireAfter_;
+};
+
+class TValueSinceUnixEpochModeSettings {
+public:
+    enum class EUnit {
+        Seconds,
+        MilliSeconds,
+        MicroSeconds,
+        NanoSeconds,
+
+        Unknown = std::numeric_limits<int>::max()
+    };
+
+public:
+    explicit TValueSinceUnixEpochModeSettings(const TString& columnName, EUnit columnUnit, const TDuration& expireAfter);
+    void SerializeTo(Ydb::Table::ValueSinceUnixEpochModeSettings& proto) const;
+
+    const TString& GetColumnName() const;
+    EUnit GetColumnUnit() const;
+    const TDuration& GetExpireAfter() const;
+
+    static void Out(IOutputStream& o, EUnit unit);
+    static TString ToString(EUnit unit);
+    static EUnit UnitFromString(const TString& value);
+
+private:
+    TString ColumnName_;
+    EUnit ColumnUnit_;
+    TDuration ExpireAfter_;
+};
+
+//! Represents ttl settings
+class TTtlSettings {
+public:
+    using EUnit = TValueSinceUnixEpochModeSettings::EUnit;
+
+    enum class EMode {
+        DateTypeColumn = 0,
+        ValueSinceUnixEpoch = 1,
+    };
+
+    explicit TTtlSettings(const TString& columnName, const TDuration& expireAfter);
+    explicit TTtlSettings(const Ydb::Table::DateTypeColumnModeSettings& mode, ui32 runIntervalSeconds);
+    const TDateTypeColumnModeSettings& GetDateTypeColumn() const;
+
+    explicit TTtlSettings(const TString& columnName, EUnit columnUnit, const TDuration& expireAfter);
+    explicit TTtlSettings(const Ydb::Table::ValueSinceUnixEpochModeSettings& mode, ui32 runIntervalSeconds);
+    const TValueSinceUnixEpochModeSettings& GetValueSinceUnixEpoch() const;
+
+    void SerializeTo(Ydb::Table::TtlSettings& proto) const;
+    EMode GetMode() const;
+
+    TTtlSettings& SetRunInterval(const TDuration& value);
+    const TDuration& GetRunInterval() const;
+
+private:
+    std::variant<
+        TDateTypeColumnModeSettings,
+        TValueSinceUnixEpochModeSettings
+    > Mode_;
+    TDuration RunInterval_ = TDuration::Zero();
+};
+
+class TAlterTtlSettings {
+    using EUnit = TValueSinceUnixEpochModeSettings::EUnit;
+
+    TAlterTtlSettings()
+        : Action_(true)
+    {}
+
+    template <typename... Args>
+    explicit TAlterTtlSettings(Args&&... args)
+        : Action_(TTtlSettings(std::forward<Args>(args)...))
+    {}
+
+public:
+    enum class EAction {
+        Drop = 0,
+        Set = 1,
+    };
+
+    static TAlterTtlSettings Drop() {
+        return TAlterTtlSettings();
+    }
+
+    template <typename... Args>
+    static TAlterTtlSettings Set(Args&&... args) {
+        return TAlterTtlSettings(std::forward<Args>(args)...);
+    }
+
+    EAction GetAction() const;
+    const TTtlSettings& GetTtlSettings() const;
+
+private:
     std::variant<
-        TDateTypeColumnModeSettings, 
-        TValueSinceUnixEpochModeSettings 
-    > Mode_; 
-    TDuration RunInterval_ = TDuration::Zero(); 
-}; 
- 
-class TAlterTtlSettings { 
-    using EUnit = TValueSinceUnixEpochModeSettings::EUnit; 
- 
-    TAlterTtlSettings() 
-        : Action_(true) 
-    {} 
- 
-    template <typename... Args> 
-    explicit TAlterTtlSettings(Args&&... args) 
-        : Action_(TTtlSettings(std::forward<Args>(args)...)) 
-    {} 
- 
-public: 
-    enum class EAction { 
-        Drop = 0, 
-        Set = 1, 
-    }; 
- 
-    static TAlterTtlSettings Drop() { 
-        return TAlterTtlSettings(); 
-    } 
- 
-    template <typename... Args> 
-    static TAlterTtlSettings Set(Args&&... args) { 
-        return TAlterTtlSettings(std::forward<Args>(args)...); 
-    } 
- 
-    EAction GetAction() const; 
-    const TTtlSettings& GetTtlSettings() const; 
- 
-private: 
-    std::variant< 
-        bool, // EAction::Drop 
-        TTtlSettings // EAction::Set 
-    > Action_; 
-}; 
- 
+        bool, // EAction::Drop
+        TTtlSettings // EAction::Set
+    > Action_;
+};
+
 //! Represents table storage settings
 class TStorageSettings {
 public:
@@ -387,8 +387,8 @@ class TTableDescription {
     friend class TTableBuilder;
     friend class NYdb::TProtoAccessor;
 
-    using EUnit = TValueSinceUnixEpochModeSettings::EUnit; 
- 
+    using EUnit = TValueSinceUnixEpochModeSettings::EUnit;
+
 public:
     TTableDescription(Ydb::Table::DescribeTableResult&& desc, const TDescribeTableSettings& describeSettings);
 
@@ -397,7 +397,7 @@ public:
     TVector<TColumn> GetColumns() const;
     TVector<TTableColumn> GetTableColumns() const;
     TVector<TIndexDescription> GetIndexDescriptions() const;
-    TMaybe<TTtlSettings> GetTtlSettings() const; 
+    TMaybe<TTtlSettings> GetTtlSettings() const;
 
     const TString& GetOwner() const;
     const TVector<NScheme::TPermissions>& GetPermissions() const;
@@ -428,9 +428,9 @@ public:
     // Returns column families of the table
     const TVector<TColumnFamilyDescription>& GetColumnFamilies() const;
 
-    // Attributes 
-    const THashMap<TString, TString>& GetAttributes() const; 
- 
+    // Attributes
+    const THashMap<TString, TString>& GetAttributes() const;
+
     // Returns partitioning settings of the table
     const TPartitioningSettings& GetPartitioningSettings() const;
 
@@ -440,37 +440,37 @@ public:
     // Returns read replicas settings of the table
     TMaybe<TReadReplicasSettings> GetReadReplicasSettings() const;
 
-    // Fills CreateTableRequest proto from this description 
-    void SerializeTo(Ydb::Table::CreateTableRequest& request) const; 
- 
+    // Fills CreateTableRequest proto from this description
+    void SerializeTo(Ydb::Table::CreateTableRequest& request) const;
+
 private:
     TTableDescription();
-    explicit TTableDescription(const Ydb::Table::CreateTableRequest& request); 
+    explicit TTableDescription(const Ydb::Table::CreateTableRequest& request);
 
     void AddColumn(const TString& name, const Ydb::Type& type, const TString& family);
     void SetPrimaryKeyColumns(const TVector<TString>& primaryKeyColumns);
- 
-    // common 
-    void AddSecondaryIndex(const TString& indexName, EIndexType type, const TVector<TString>& indexColumns); 
-    void AddSecondaryIndex(const TString& indexName, EIndexType type, const TVector<TString>& indexColumns, const TVector<TString>& dataColumns); 
-    // sync 
-    void AddSyncSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns); 
-    void AddSyncSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns, const TVector<TString>& dataColumns); 
-    // async 
-    void AddAsyncSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns); 
-    void AddAsyncSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns, const TVector<TString>& dataColumns); 
-    // default 
+
+    // common
+    void AddSecondaryIndex(const TString& indexName, EIndexType type, const TVector<TString>& indexColumns);
+    void AddSecondaryIndex(const TString& indexName, EIndexType type, const TVector<TString>& indexColumns, const TVector<TString>& dataColumns);
+    // sync
+    void AddSyncSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns);
+    void AddSyncSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns, const TVector<TString>& dataColumns);
+    // async
+    void AddAsyncSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns);
+    void AddAsyncSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns, const TVector<TString>& dataColumns);
+    // default
     void AddSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns);
     void AddSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns, const TVector<TString>& dataColumns);
- 
-    void SetTtlSettings(TTtlSettings&& settings); 
-    void SetTtlSettings(const TTtlSettings& settings); 
- 
+
+    void SetTtlSettings(TTtlSettings&& settings);
+    void SetTtlSettings(const TTtlSettings& settings);
+
     void SetStorageSettings(const TStorageSettings& settings);
     void AddColumnFamily(const TColumnFamilyDescription& desc);
-    void AddAttribute(const TString& key, const TString& value); 
-    void SetAttributes(const THashMap<TString, TString>& attrs); 
-    void SetAttributes(THashMap<TString, TString>&& attrs); 
+    void AddAttribute(const TString& key, const TString& value);
+    void SetAttributes(const THashMap<TString, TString>& attrs);
+    void SetAttributes(THashMap<TString, TString>&& attrs);
     void SetCompactionPolicy(const TString& name);
     void SetUniformPartitions(ui64 partitionsCount);
     void SetPartitionAtKeys(const TExplicitPartitions& keys);
@@ -478,8 +478,8 @@ private:
     void SetKeyBloomFilter(bool enabled);
     void SetReadReplicasSettings(TReadReplicasSettings::EMode mode, ui64 readReplicasCount);
     const Ydb::Table::DescribeTableResult& GetProto() const;
- 
-    class TImpl; 
+
+    class TImpl;
     std::shared_ptr<TImpl> Impl_;
 };
 
@@ -641,8 +641,8 @@ private:
 ////////////////////////////////////////////////////////////////////////////////
 
 class TTableBuilder {
-    using EUnit = TValueSinceUnixEpochModeSettings::EUnit; 
- 
+    using EUnit = TValueSinceUnixEpochModeSettings::EUnit;
+
 public:
     TTableBuilder() = default;
 
@@ -653,39 +653,39 @@ public:
     TTableBuilder& SetPrimaryKeyColumns(const TVector<TString>& primaryKeyColumns);
     TTableBuilder& SetPrimaryKeyColumn(const TString& primaryKeyColumn);
 
-    // common 
-    TTableBuilder& AddSecondaryIndex(const TString& indexName, EIndexType type, const TVector<TString>& indexColumns, const TVector<TString>& dataColumns); 
-    TTableBuilder& AddSecondaryIndex(const TString& indexName, EIndexType type, const TVector<TString>& indexColumns); 
-    TTableBuilder& AddSecondaryIndex(const TString& indexName, EIndexType type, const TString& indexColumn); 
- 
-    // sync 
-    TTableBuilder& AddSyncSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns, const TVector<TString>& dataColumns); 
-    TTableBuilder& AddSyncSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns); 
-    TTableBuilder& AddSyncSecondaryIndex(const TString& indexName, const TString& indexColumn); 
-
-    // async 
-    TTableBuilder& AddAsyncSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns, const TVector<TString>& dataColumns); 
-    TTableBuilder& AddAsyncSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns); 
-    TTableBuilder& AddAsyncSecondaryIndex(const TString& indexName, const TString& indexColumn); 
- 
-    // default 
-    TTableBuilder& AddSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns, const TVector<TString>& dataColumns); 
-    TTableBuilder& AddSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns); 
-    TTableBuilder& AddSecondaryIndex(const TString& indexName, const TString& indexColumn); 
- 
-    TTableBuilder& SetTtlSettings(TTtlSettings&& settings); 
-    TTableBuilder& SetTtlSettings(const TTtlSettings& settings); 
-    TTableBuilder& SetTtlSettings(const TString& columnName, const TDuration& expireAfter = TDuration::Zero()); 
-    TTableBuilder& SetTtlSettings(const TString& columnName, EUnit columnUnit, const TDuration& expireAfter = TDuration::Zero()); 
- 
+    // common
+    TTableBuilder& AddSecondaryIndex(const TString& indexName, EIndexType type, const TVector<TString>& indexColumns, const TVector<TString>& dataColumns);
+    TTableBuilder& AddSecondaryIndex(const TString& indexName, EIndexType type, const TVector<TString>& indexColumns);
+    TTableBuilder& AddSecondaryIndex(const TString& indexName, EIndexType type, const TString& indexColumn);
+
+    // sync
+    TTableBuilder& AddSyncSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns, const TVector<TString>& dataColumns);
+    TTableBuilder& AddSyncSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns);
+    TTableBuilder& AddSyncSecondaryIndex(const TString& indexName, const TString& indexColumn);
+
+    // async
+    TTableBuilder& AddAsyncSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns, const TVector<TString>& dataColumns);
+    TTableBuilder& AddAsyncSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns);
+    TTableBuilder& AddAsyncSecondaryIndex(const TString& indexName, const TString& indexColumn);
+
+    // default
+    TTableBuilder& AddSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns, const TVector<TString>& dataColumns);
+    TTableBuilder& AddSecondaryIndex(const TString& indexName, const TVector<TString>& indexColumns);
+    TTableBuilder& AddSecondaryIndex(const TString& indexName, const TString& indexColumn);
+
+    TTableBuilder& SetTtlSettings(TTtlSettings&& settings);
+    TTableBuilder& SetTtlSettings(const TTtlSettings& settings);
+    TTableBuilder& SetTtlSettings(const TString& columnName, const TDuration& expireAfter = TDuration::Zero());
+    TTableBuilder& SetTtlSettings(const TString& columnName, EUnit columnUnit, const TDuration& expireAfter = TDuration::Zero());
+
     TTableBuilder& SetStorageSettings(const TStorageSettings& settings);
 
     TTableBuilder& AddColumnFamily(const TColumnFamilyDescription& desc);
 
-    TTableBuilder& AddAttribute(const TString& key, const TString& value); 
-    TTableBuilder& SetAttributes(const THashMap<TString, TString>& attrs); 
-    TTableBuilder& SetAttributes(THashMap<TString, TString>&& attrs); 
- 
+    TTableBuilder& AddAttribute(const TString& key, const TString& value);
+    TTableBuilder& SetAttributes(const THashMap<TString, TString>& attrs);
+    TTableBuilder& SetAttributes(THashMap<TString, TString>&& attrs);
+
     TTableBuilder& SetCompactionPolicy(const TString& name);
 
     // UniformPartitions and PartitionAtKeys are mutually exclusive
@@ -1036,23 +1036,23 @@ public:
         return TTxSettings(TS_STALE_RO);
     }
 
-    void Out(IOutputStream& out) const { 
-        switch (Mode_) { 
-        case TS_SERIALIZABLE_RW: 
-            out << "SerializableRW"; 
-            break; 
-        case TS_ONLINE_RO: 
-            out << "OnlineRO"; 
-            break; 
-        case TS_STALE_RO: 
-            out << "StaleRO"; 
-            break; 
-        default: 
-            out << "Unknown"; 
-            break; 
-        } 
-    } 
- 
+    void Out(IOutputStream& out) const {
+        switch (Mode_) {
+        case TS_SERIALIZABLE_RW:
+            out << "SerializableRW";
+            break;
+        case TS_ONLINE_RO:
+            out << "OnlineRO";
+            break;
+        case TS_STALE_RO:
+            out << "StaleRO";
+            break;
+        default:
+            out << "Unknown";
+            break;
+        }
+    }
+
 private:
     enum ETransactionMode {
         TS_SERIALIZABLE_RW,
@@ -1246,53 +1246,53 @@ private:
     TColumnFamilyBuilder Builder_;
 };
 
-class TAlterTtlSettingsBuilder { 
-    using EUnit = TValueSinceUnixEpochModeSettings::EUnit; 
- 
-public: 
-    TAlterTtlSettingsBuilder(TAlterTableSettings& parent); 
- 
-    TAlterTtlSettingsBuilder& Drop(); 
-    TAlterTtlSettingsBuilder& Set(TTtlSettings&& settings); 
-    TAlterTtlSettingsBuilder& Set(const TTtlSettings& settings); 
-    TAlterTtlSettingsBuilder& Set(const TString& columnName, const TDuration& expireAfter = TDuration::Zero()); 
-    TAlterTtlSettingsBuilder& Set(const TString& columnName, EUnit columnUnit, const TDuration& expireAfter = TDuration::Zero()); 
- 
-    TAlterTableSettings& EndAlterTtlSettings(); 
- 
-private: 
-    TAlterTableSettings& Parent_; 
- 
-    class TImpl; 
-    std::shared_ptr<TImpl> Impl_; 
-}; 
- 
-class TAlterAttributesBuilder { 
-public: 
-    TAlterAttributesBuilder(TAlterTableSettings& parent) 
-        : Parent_(parent) 
-    { } 
- 
-    TAlterAttributesBuilder& Alter(const TString& key, const TString& value) { 
-        AlterAttributes_[key] = value; 
-        return *this; 
-    } 
- 
-    TAlterAttributesBuilder& Add(const TString& key, const TString& value) { 
-        return Alter(key, value); 
-    } 
- 
-    TAlterAttributesBuilder& Drop(const TString& key) { 
-        return Alter(key, ""); 
-    } 
- 
-    TAlterTableSettings& EndAlterAttributes(); 
- 
-private: 
-    TAlterTableSettings& Parent_; 
-    THashMap<TString, TString> AlterAttributes_; 
-}; 
- 
+class TAlterTtlSettingsBuilder {
+    using EUnit = TValueSinceUnixEpochModeSettings::EUnit;
+
+public:
+    TAlterTtlSettingsBuilder(TAlterTableSettings& parent);
+
+    TAlterTtlSettingsBuilder& Drop();
+    TAlterTtlSettingsBuilder& Set(TTtlSettings&& settings);
+    TAlterTtlSettingsBuilder& Set(const TTtlSettings& settings);
+    TAlterTtlSettingsBuilder& Set(const TString& columnName, const TDuration& expireAfter = TDuration::Zero());
+    TAlterTtlSettingsBuilder& Set(const TString& columnName, EUnit columnUnit, const TDuration& expireAfter = TDuration::Zero());
+
+    TAlterTableSettings& EndAlterTtlSettings();
+
+private:
+    TAlterTableSettings& Parent_;
+
+    class TImpl;
+    std::shared_ptr<TImpl> Impl_;
+};
+
+class TAlterAttributesBuilder {
+public:
+    TAlterAttributesBuilder(TAlterTableSettings& parent)
+        : Parent_(parent)
+    { }
+
+    TAlterAttributesBuilder& Alter(const TString& key, const TString& value) {
+        AlterAttributes_[key] = value;
+        return *this;
+    }
+
+    TAlterAttributesBuilder& Add(const TString& key, const TString& value) {
+        return Alter(key, value);
+    }
+
+    TAlterAttributesBuilder& Drop(const TString& key) {
+        return Alter(key, "");
+    }
+
+    TAlterTableSettings& EndAlterAttributes();
+
+private:
+    TAlterTableSettings& Parent_;
+    THashMap<TString, TString> AlterAttributes_;
+};
+
 class TAlterPartitioningSettingsBuilder {
 public:
     explicit TAlterPartitioningSettingsBuilder(TAlterTableSettings& parent)
@@ -1333,10 +1333,10 @@ private:
 
 struct TAlterTableSettings : public TOperationRequestSettings<TAlterTableSettings> {
     using TSelf = TAlterTableSettings;
-    using TAlterAttributes = THashMap<TString, TString>; 
+    using TAlterAttributes = THashMap<TString, TString>;
+
+    TAlterTableSettings();
 
-    TAlterTableSettings(); 
- 
     FLUENT_SETTING_VECTOR(TTableColumn, AddColumns);
 
     FLUENT_SETTING_VECTOR(TString, DropColumns);
@@ -1357,12 +1357,12 @@ struct TAlterTableSettings : public TOperationRequestSettings<TAlterTableSetting
     FLUENT_SETTING_VECTOR(TColumnFamilyDescription, AddColumnFamilies);
     FLUENT_SETTING_VECTOR(TColumnFamilyDescription, AlterColumnFamilies);
 
-    // workaround for MSVC 
-    TSelf& AlterTtlSettings(const TMaybe<TAlterTtlSettings>& value); 
-    const TMaybe<TAlterTtlSettings>& GetAlterTtlSettings() const; 
- 
-    FLUENT_SETTING(TAlterAttributes, AlterAttributes); 
- 
+    // workaround for MSVC
+    TSelf& AlterTtlSettings(const TMaybe<TAlterTtlSettings>& value);
+    const TMaybe<TAlterTtlSettings>& GetAlterTtlSettings() const;
+
+    FLUENT_SETTING(TAlterAttributes, AlterAttributes);
+
     FLUENT_SETTING(TString, SetCompactionPolicy);
 
     FLUENT_SETTING_OPTIONAL(TPartitioningSettings, AlterPartitioningSettings);
@@ -1386,22 +1386,22 @@ struct TAlterTableSettings : public TOperationRequestSettings<TAlterTableSetting
     TAlterColumnFamilyBuilder BeginAlterColumnFamily(const TString& name) {
         return TAlterColumnFamilyBuilder(*this, name);
     }
- 
-    TAlterTtlSettingsBuilder BeginAlterTtlSettings() { 
-        return TAlterTtlSettingsBuilder(*this); 
-    } 
- 
-    TAlterAttributesBuilder BeginAlterAttributes() { 
-        return TAlterAttributesBuilder(*this); 
-    } 
+
+    TAlterTtlSettingsBuilder BeginAlterTtlSettings() {
+        return TAlterTtlSettingsBuilder(*this);
+    }
+
+    TAlterAttributesBuilder BeginAlterAttributes() {
+        return TAlterAttributesBuilder(*this);
+    }
 
     TAlterPartitioningSettingsBuilder BeginAlterPartitioningSettings() {
         return TAlterPartitioningSettingsBuilder(*this);
     }
- 
-private: 
-    class TImpl; 
-    std::shared_ptr<TImpl> Impl_; 
+
+private:
+    class TImpl;
+    std::shared_ptr<TImpl> Impl_;
 };
 
 inline TAlterTableSettings& TAlterStorageSettingsBuilder::EndAlterStorageSettings() {
@@ -1416,10 +1416,10 @@ inline TAlterTableSettings& TAlterColumnFamilyBuilder::EndAlterColumnFamily() {
     return Parent_.AppendAlterColumnFamilies(Builder_.Build());
 }
 
-inline TAlterTableSettings& TAlterAttributesBuilder::EndAlterAttributes() { 
-    return Parent_.AlterAttributes(AlterAttributes_); 
-} 
- 
+inline TAlterTableSettings& TAlterAttributesBuilder::EndAlterAttributes() {
+    return Parent_.AlterAttributes(AlterAttributes_);
+}
+
 inline TAlterTableSettings& TAlterPartitioningSettingsBuilder::EndAlterPartitioningSettings() {
     return Parent_.AlterPartitioningSettings(Builder_.Build());
 }
@@ -1868,15 +1868,15 @@ public:
 
 } // namespace NTable
 } // namespace NYdb
- 
-Y_DECLARE_OUT_SPEC(inline, NYdb::NTable::TIndexDescription, o, x) { 
-    return x.Out(o); 
-} 
- 
-Y_DECLARE_OUT_SPEC(inline, NYdb::NTable::TValueSinceUnixEpochModeSettings::EUnit, o, x) { 
-    return NYdb::NTable::TValueSinceUnixEpochModeSettings::Out(o, x); 
-} 
- 
-Y_DECLARE_OUT_SPEC(inline, NYdb::NTable::TTxSettings, o, x) { 
-    return x.Out(o); 
-} 
+
+Y_DECLARE_OUT_SPEC(inline, NYdb::NTable::TIndexDescription, o, x) {
+    return x.Out(o);
+}
+
+Y_DECLARE_OUT_SPEC(inline, NYdb::NTable::TValueSinceUnixEpochModeSettings::EUnit, o, x) {
+    return NYdb::NTable::TValueSinceUnixEpochModeSettings::Out(o, x);
+}
+
+Y_DECLARE_OUT_SPEC(inline, NYdb::NTable::TTxSettings, o, x) {
+    return x.Out(o);
+}
diff --git a/ydb/public/sdk/cpp/client/ydb_table/table_enum.h b/ydb/public/sdk/cpp/client/ydb_table/table_enum.h
index 6be2c85ffd..4a04b6ba5c 100644
--- a/ydb/public/sdk/cpp/client/ydb_table/table_enum.h
+++ b/ydb/public/sdk/cpp/client/ydb_table/table_enum.h
@@ -1,7 +1,7 @@
 #pragma once
 
-#include <limits> 
- 
+#include <limits>
+
 namespace NYdb {
 namespace NTable {
 
@@ -22,12 +22,12 @@ enum class EBuildIndexState {
     Cancelled = 6,
 };
 
-enum class EIndexType { 
-    GlobalSync, 
-    GlobalAsync, 
- 
-    Unknown = std::numeric_limits<int>::max() 
-}; 
- 
+enum class EIndexType {
+    GlobalSync,
+    GlobalAsync,
+
+    Unknown = std::numeric_limits<int>::max()
+};
+
 } // namespace NTable
 } // namespace NYdb
diff --git a/ydb/public/sdk/cpp/client/ydb_types/operation/operation.h b/ydb/public/sdk/cpp/client/ydb_types/operation/operation.h
index 1ea539f211..bc5dce05eb 100644
--- a/ydb/public/sdk/cpp/client/ydb_types/operation/operation.h
+++ b/ydb/public/sdk/cpp/client/ydb_types/operation/operation.h
@@ -48,6 +48,6 @@ using TAsyncOperation = NThreading::TFuture<TOperation>;
 
 } // namespace NYdb
 
-Y_DECLARE_OUT_SPEC(inline, NYdb::TOperation, o, x) { 
+Y_DECLARE_OUT_SPEC(inline, NYdb::TOperation, o, x) {
     return x.Out(o);
 }
diff --git a/ydb/public/sdk/cpp/client/ydb_types/request_settings.h b/ydb/public/sdk/cpp/client/ydb_types/request_settings.h
index 06e157e7c8..fb8aa8ac68 100644
--- a/ydb/public/sdk/cpp/client/ydb_types/request_settings.h
+++ b/ydb/public/sdk/cpp/client/ydb_types/request_settings.h
@@ -17,15 +17,15 @@ struct TRequestSettings {
     FLUENT_SETTING(TString, TraceId);
     FLUENT_SETTING(TString, RequestType);
     FLUENT_SETTING(THeader, Header);
- 
-    TRequestSettings() = default; 
- 
-    template <typename T> 
-    explicit TRequestSettings(const TRequestSettings<T>& other) 
-        : TraceId_(other.TraceId_) 
-        , RequestType_(other.RequestType_) 
+
+    TRequestSettings() = default;
+
+    template <typename T>
+    explicit TRequestSettings(const TRequestSettings<T>& other)
+        : TraceId_(other.TraceId_)
+        , RequestType_(other.RequestType_)
         , Header_(other.Header_)
-    {} 
+    {}
 };
 
 template<typename TDerived>
@@ -33,14 +33,14 @@ struct TSimpleRequestSettings : public TRequestSettings<TDerived> {
     using TSelf = TDerived;
 
     FLUENT_SETTING(TDuration, ClientTimeout);
- 
-    TSimpleRequestSettings() = default; 
- 
-    template <typename T> 
-    explicit TSimpleRequestSettings(const TSimpleRequestSettings<T>& other) 
-        : TRequestSettings<TDerived>(other) 
-        , ClientTimeout_(other.ClientTimeout_) 
-    {} 
+
+    TSimpleRequestSettings() = default;
+
+    template <typename T>
+    explicit TSimpleRequestSettings(const TSimpleRequestSettings<T>& other)
+        : TRequestSettings<TDerived>(other)
+        , ClientTimeout_(other.ClientTimeout_)
+    {}
 };
 
 template<typename TDerived>
@@ -53,17 +53,17 @@ struct TOperationRequestSettings : public TSimpleRequestSettings<TDerived> {
     FLUENT_SETTING_DEFAULT(bool, UseClientTimeoutForOperation, true);
     FLUENT_SETTING_DEFAULT(bool, ReportCostInfo, false);
 
-    TOperationRequestSettings() = default; 
- 
-    template <typename T> 
-    explicit TOperationRequestSettings(const TOperationRequestSettings<T>& other) 
-        : TSimpleRequestSettings<TDerived>(other) 
-        , OperationTimeout_(other.OperationTimeout_) 
-        , CancelAfter_(other.CancelAfter_) 
-        , UseClientTimeoutForOperation_(other.UseClientTimeoutForOperation_) 
+    TOperationRequestSettings() = default;
+
+    template <typename T>
+    explicit TOperationRequestSettings(const TOperationRequestSettings<T>& other)
+        : TSimpleRequestSettings<TDerived>(other)
+        , OperationTimeout_(other.OperationTimeout_)
+        , CancelAfter_(other.CancelAfter_)
+        , UseClientTimeoutForOperation_(other.UseClientTimeoutForOperation_)
         , ReportCostInfo_(other.ReportCostInfo_)
-    {} 
- 
+    {}
+
     TSelf& CancelAfterWithTimeout(const TDuration& cancelAfter, const TDuration& operationTimeout) {
         CancelAfter_ = cancelAfter;
         OperationTimeout_ = operationTimeout;
diff --git a/ydb/public/sdk/cpp/client/ydb_types/s3_settings.h b/ydb/public/sdk/cpp/client/ydb_types/s3_settings.h
index fc8a1ed2f9..dca95fdb7a 100644
--- a/ydb/public/sdk/cpp/client/ydb_types/s3_settings.h
+++ b/ydb/public/sdk/cpp/client/ydb_types/s3_settings.h
@@ -1,23 +1,23 @@
-#pragma once 
- 
-#include "fluent_settings_helpers.h" 
- 
-namespace NYdb { 
- 
-enum class ES3Scheme { 
-    HTTP = 1 /* "http" */, 
-    HTTPS = 2 /* "https" */, 
-}; 
- 
-template <typename TDerived> 
-struct TS3Settings { 
-    using TSelf = TDerived; 
- 
-    FLUENT_SETTING(TString, Endpoint); 
-    FLUENT_SETTING_DEFAULT(ES3Scheme, Scheme, ES3Scheme::HTTPS); 
-    FLUENT_SETTING(TString, Bucket); 
-    FLUENT_SETTING(TString, AccessKey); 
-    FLUENT_SETTING(TString, SecretKey); 
-}; 
- 
-} // namespace NYdb 
+#pragma once
+
+#include "fluent_settings_helpers.h"
+
+namespace NYdb {
+
+enum class ES3Scheme {
+    HTTP = 1 /* "http" */,
+    HTTPS = 2 /* "https" */,
+};
+
+template <typename TDerived>
+struct TS3Settings {
+    using TSelf = TDerived;
+
+    FLUENT_SETTING(TString, Endpoint);
+    FLUENT_SETTING_DEFAULT(ES3Scheme, Scheme, ES3Scheme::HTTPS);
+    FLUENT_SETTING(TString, Bucket);
+    FLUENT_SETTING(TString, AccessKey);
+    FLUENT_SETTING(TString, SecretKey);
+};
+
+} // namespace NYdb
diff --git a/ydb/public/sdk/cpp/client/ydb_types/ya.make b/ydb/public/sdk/cpp/client/ydb_types/ya.make
index d5c2a921f5..d1419ecd34 100644
--- a/ydb/public/sdk/cpp/client/ydb_types/ya.make
+++ b/ydb/public/sdk/cpp/client/ydb_types/ya.make
@@ -8,7 +8,7 @@ PEERDIR(
     ydb/library/yql/public/issue
 )
 
-GENERATE_ENUM_SERIALIZATION(s3_settings.h) 
+GENERATE_ENUM_SERIALIZATION(s3_settings.h)
 GENERATE_ENUM_SERIALIZATION(status_codes.h)
 
 END()
diff --git a/ydb/public/sdk/cpp/client/ydb_value/value.cpp b/ydb/public/sdk/cpp/client/ydb_value/value.cpp
index af5f370a38..8c18d4d50f 100644
--- a/ydb/public/sdk/cpp/client/ydb_value/value.cpp
+++ b/ydb/public/sdk/cpp/client/ydb_value/value.cpp
@@ -91,14 +91,14 @@ TType::TType(const Ydb::Type& typeProto)
 TType::TType(Ydb::Type&& typeProto)
     : Impl_(new TImpl(std::move(typeProto))) {}
 
-TString TType::ToString() const { 
-    return FormatType(*this); 
-} 
- 
-void TType::Out(IOutputStream& o) const { 
-    o << FormatType(*this); 
-} 
- 
+TString TType::ToString() const {
+    return FormatType(*this);
+}
+
+void TType::Out(IOutputStream& o) const {
+    o << FormatType(*this);
+}
+
 const Ydb::Type& TType::GetProto() const {
     return Impl_->ProtoType_;
 }
diff --git a/ydb/public/sdk/cpp/client/ydb_value/value.h b/ydb/public/sdk/cpp/client/ydb_value/value.h
index f87c802cae..4a163b9220 100644
--- a/ydb/public/sdk/cpp/client/ydb_value/value.h
+++ b/ydb/public/sdk/cpp/client/ydb_value/value.h
@@ -21,9 +21,9 @@ public:
     TType(const Ydb::Type& typeProto);
     TType(Ydb::Type&& typeProto);
 
-    TString ToString() const; 
-    void Out(IOutputStream& o) const; 
- 
+    TString ToString() const;
+    void Out(IOutputStream& o) const;
+
 private:
     const Ydb::Type& GetProto() const;
 
@@ -453,7 +453,7 @@ public:
 };
 
 } // namespace NYdb
- 
-Y_DECLARE_OUT_SPEC(inline, NYdb::TType, o, x) { 
-    return x.Out(o); 
-} 
+
+Y_DECLARE_OUT_SPEC(inline, NYdb::TType, o, x) {
+    return x.Out(o);
+}
diff --git a/ydb/public/sdk/python/CHANGELOG.md b/ydb/public/sdk/python/CHANGELOG.md
index 070aa61c8e..139ce6f71f 100644
--- a/ydb/public/sdk/python/CHANGELOG.md
+++ b/ydb/public/sdk/python/CHANGELOG.md
@@ -71,10 +71,10 @@
 
 * change error format for sqlalchemy
 
-## 1.0.12 ## 
- 
-* add ``ValueSinceUnixEpochModeSettings`` support to ``TtlSettings`` 
- 
+## 1.0.12 ##
+
+* add ``ValueSinceUnixEpochModeSettings`` support to ``TtlSettings``
+
 ## 1.0.11 ##
 
 * add default credentials constructor
diff --git a/ydb/public/sdk/python/ydb/_session_impl.py b/ydb/public/sdk/python/ydb/_session_impl.py
index 88ca250b78..e1906299ec 100644
--- a/ydb/public/sdk/python/ydb/_session_impl.py
+++ b/ydb/public/sdk/python/ydb/_session_impl.py
@@ -1,5 +1,5 @@
 import functools
-from google.protobuf.empty_pb2 import Empty 
+from google.protobuf.empty_pb2 import Empty
 from . import issues, types, _apis, convert, scheme, operation, _utilities
 
 X_YDB_SERVER_HINTS = "x-ydb-server-hints"
@@ -180,11 +180,11 @@ def create_table_request_factory(session_state, path, table_description):
     for index in table_description.indexes:
         request.indexes.add().MergeFrom(index.to_pb())
 
-    if table_description.ttl_settings is not None: 
+    if table_description.ttl_settings is not None:
         request.ttl_settings.MergeFrom(table_description.ttl_settings.to_pb())
- 
-    request.attributes.update(table_description.attributes) 
- 
+
+    request.attributes.update(table_description.attributes)
+
     if table_description.column_families:
         for column_family in table_description.column_families:
             request.column_families.add().MergeFrom(column_family.to_pb())
@@ -277,7 +277,7 @@ def describe_table_request_factory(session_state, path, settings=None):
     return request
 
 
-def alter_table_request_factory( 
+def alter_table_request_factory(
     session_state,
     path,
     add_columns,
@@ -310,15 +310,15 @@ def alter_table_request_factory(
         for index in add_indexes:
             request.add_indexes.add().MergeFrom(index.to_pb())
 
-    if alter_attributes is not None: 
-        request.alter_attributes.update(alter_attributes) 
+    if alter_attributes is not None:
+        request.alter_attributes.update(alter_attributes)
+
+    if set_ttl_settings is not None:
+        request.set_ttl_settings.MergeFrom(set_ttl_settings.to_pb())
+
+    if drop_ttl_settings is not None and drop_ttl_settings:
+        request.drop_ttl_settings.MergeFrom(Empty())
 
-    if set_ttl_settings is not None: 
-        request.set_ttl_settings.MergeFrom(set_ttl_settings.to_pb()) 
- 
-    if drop_ttl_settings is not None and drop_ttl_settings: 
-        request.drop_ttl_settings.MergeFrom(Empty()) 
- 
     if add_column_families is not None:
         for column_family in add_column_families:
             request.add_column_families.add().MergeFrom(column_family.to_pb())
diff --git a/ydb/public/sdk/python/ydb/connection.py b/ydb/public/sdk/python/ydb/connection.py
index 214c1743c3..573b276e20 100644
--- a/ydb/public/sdk/python/ydb/connection.py
+++ b/ydb/public/sdk/python/ydb/connection.py
@@ -22,7 +22,7 @@ logger = logging.getLogger(__name__)
 DEFAULT_TIMEOUT = 600
 YDB_DATABASE_HEADER = "x-ydb-database"
 YDB_TRACE_ID_HEADER = "x-ydb-trace-id"
-YDB_REQUEST_TYPE_HEADER = "x-ydb-request-type" 
+YDB_REQUEST_TYPE_HEADER = "x-ydb-request-type"
 
 
 def _message_to_string(message):
@@ -141,12 +141,12 @@ def _construct_metadata(driver_config, settings):
     if driver_config.credentials is not None:
         metadata.extend(driver_config.credentials.auth_metadata())
 
-    if settings is not None: 
-        if settings.trace_id is not None: 
-            metadata.append((YDB_TRACE_ID_HEADER, settings.trace_id)) 
-        if settings.request_type is not None: 
-            metadata.append((YDB_REQUEST_TYPE_HEADER, settings.request_type)) 
- 
+    if settings is not None:
+        if settings.trace_id is not None:
+            metadata.append((YDB_TRACE_ID_HEADER, settings.trace_id))
+        if settings.request_type is not None:
+            metadata.append((YDB_REQUEST_TYPE_HEADER, settings.request_type))
+
     metadata.append(_utilities.x_ydb_sdk_build_info_header())
     return metadata
 
diff --git a/ydb/public/sdk/python/ydb/scheme.py b/ydb/public/sdk/python/ydb/scheme.py
index cf513cffb2..b5f1a7f7e5 100644
--- a/ydb/public/sdk/python/ydb/scheme.py
+++ b/ydb/public/sdk/python/ydb/scheme.py
@@ -20,7 +20,7 @@ class SchemeEntryType(enum.IntEnum):
     BLOCK_STORE_VOLUME = 6
     COORDINATION_NODE = 7
     SEQUENCE = 15
-    REPLICATION = 16 
+    REPLICATION = 16
 
     @staticmethod
     def is_table(entry):
@@ -91,14 +91,14 @@ class SchemeEntry(object):
         :param type: A type of scheme entry
         :param effective_permissions: A list of effective permissions applied to this scheme entry
         :param permissions: A list of permissions applied to this scheme entry
-        :param size_bytes: Size of entry in bytes 
+        :param size_bytes: Size of entry in bytes
         """
         self.name = name
         self.owner = owner
         self.type = type
         self.effective_permissions = effective_permissions
         self.permissions = permissions
-        self.size_bytes = size_bytes 
+        self.size_bytes = size_bytes
 
     def is_directory(self):
         """
@@ -300,7 +300,7 @@ def _wrap_scheme_entry(entry_pb, scheme_entry_cls=None, *args, **kwargs):
         getattr(SchemeEntryType, _apis.ydb_scheme.Entry.Type.Name(entry_pb.type)),
         _wrap_permissions(entry_pb.effective_permissions),
         _wrap_permissions(entry_pb.permissions),
-        entry_pb.size_bytes, 
+        entry_pb.size_bytes,
         *args,
         **kwargs
     )
diff --git a/ydb/public/sdk/python/ydb/settings.py b/ydb/public/sdk/python/ydb/settings.py
index 890ffd6a2e..96094c4978 100644
--- a/ydb/public/sdk/python/ydb/settings.py
+++ b/ydb/public/sdk/python/ydb/settings.py
@@ -16,7 +16,7 @@ class BaseRequestSettings(object):
         Request settings to be used for RPC execution
         """
         self.trace_id = None
-        self.request_type = None 
+        self.request_type = None
         self.timeout = None
         self.cancel_after = None
         self.operation_timeout = None
@@ -30,15 +30,15 @@ class BaseRequestSettings(object):
         self.trace_id = trace_id
         return self
 
-    def with_request_type(self, request_type): 
-        """ 
-        Includes request type for RPC headers 
-        :param request_type: A request type string 
-        :return: The self instance 
-        """ 
-        self.request_type = request_type 
-        return self 
- 
+    def with_request_type(self, request_type):
+        """
+        Includes request type for RPC headers
+        :param request_type: A request type string
+        :return: The self instance
+        """
+        self.request_type = request_type
+        return self
+
     def with_operation_timeout(self, timeout):
         """
         Indicates that client is no longer interested in the result of operation after the specified duration
diff --git a/ydb/public/sdk/python/ydb/table.py b/ydb/public/sdk/python/ydb/table.py
index 34a33f41d3..c49c4660c7 100644
--- a/ydb/public/sdk/python/ydb/table.py
+++ b/ydb/public/sdk/python/ydb/table.py
@@ -452,77 +452,77 @@ class TableProfile(object):
         return pb
 
 
-class DateTypeColumnModeSettings(object): 
-    def __init__(self, column_name, expire_after_seconds=0): 
-        self.column_name = column_name 
-        self.expire_after_seconds = expire_after_seconds 
- 
-    def to_pb(self): 
-        pb = _apis.ydb_table.DateTypeColumnModeSettings() 
- 
-        pb.column_name = self.column_name 
-        pb.expire_after_seconds = self.expire_after_seconds 
- 
-        return pb 
- 
- 
-@enum.unique 
-class ColumnUnit(enum.IntEnum): 
-    UNIT_UNSPECIFIED = 0 
-    UNIT_SECONDS = 1 
-    UNIT_MILLISECONDS = 2 
-    UNIT_MICROSECONDS = 3 
-    UNIT_NANOSECONDS = 4 
- 
- 
-class ValueSinceUnixEpochModeSettings(object): 
-    def __init__(self, column_name, column_unit, expire_after_seconds=0): 
-        self.column_name = column_name 
-        self.column_unit = column_unit 
-        self.expire_after_seconds = expire_after_seconds 
- 
-    def to_pb(self): 
-        pb = _apis.ydb_table.ValueSinceUnixEpochModeSettings() 
- 
-        pb.column_name = self.column_name 
-        pb.column_unit = self.column_unit 
-        pb.expire_after_seconds = self.expire_after_seconds 
- 
-        return pb 
- 
- 
-class TtlSettings(object): 
-    def __init__(self): 
-        self.date_type_column = None 
-        self.value_since_unix_epoch = None 
- 
-    def with_date_type_column(self, column_name, expire_after_seconds=0): 
+class DateTypeColumnModeSettings(object):
+    def __init__(self, column_name, expire_after_seconds=0):
+        self.column_name = column_name
+        self.expire_after_seconds = expire_after_seconds
+
+    def to_pb(self):
+        pb = _apis.ydb_table.DateTypeColumnModeSettings()
+
+        pb.column_name = self.column_name
+        pb.expire_after_seconds = self.expire_after_seconds
+
+        return pb
+
+
+@enum.unique
+class ColumnUnit(enum.IntEnum):
+    UNIT_UNSPECIFIED = 0
+    UNIT_SECONDS = 1
+    UNIT_MILLISECONDS = 2
+    UNIT_MICROSECONDS = 3
+    UNIT_NANOSECONDS = 4
+
+
+class ValueSinceUnixEpochModeSettings(object):
+    def __init__(self, column_name, column_unit, expire_after_seconds=0):
+        self.column_name = column_name
+        self.column_unit = column_unit
+        self.expire_after_seconds = expire_after_seconds
+
+    def to_pb(self):
+        pb = _apis.ydb_table.ValueSinceUnixEpochModeSettings()
+
+        pb.column_name = self.column_name
+        pb.column_unit = self.column_unit
+        pb.expire_after_seconds = self.expire_after_seconds
+
+        return pb
+
+
+class TtlSettings(object):
+    def __init__(self):
+        self.date_type_column = None
+        self.value_since_unix_epoch = None
+
+    def with_date_type_column(self, column_name, expire_after_seconds=0):
         self.date_type_column = DateTypeColumnModeSettings(
             column_name, expire_after_seconds
         )
-        return self 
- 
+        return self
+
     def with_value_since_unix_epoch(
         self, column_name, column_unit, expire_after_seconds=0
     ):
         self.value_since_unix_epoch = ValueSinceUnixEpochModeSettings(
             column_name, column_unit, expire_after_seconds
         )
-        return self 
- 
-    def to_pb(self): 
-        pb = _apis.ydb_table.TtlSettings() 
- 
-        if self.date_type_column is not None: 
-            pb.date_type_column.MergeFrom(self.date_type_column.to_pb()) 
-        elif self.value_since_unix_epoch is not None: 
-            pb.value_since_unix_epoch.MergeFrom(self.value_since_unix_epoch.to_pb()) 
-        else: 
-            raise RuntimeError("Unspecified ttl settings mode") 
- 
-        return pb 
- 
- 
+        return self
+
+    def to_pb(self):
+        pb = _apis.ydb_table.TtlSettings()
+
+        if self.date_type_column is not None:
+            pb.date_type_column.MergeFrom(self.date_type_column.to_pb())
+        elif self.value_since_unix_epoch is not None:
+            pb.value_since_unix_epoch.MergeFrom(self.value_since_unix_epoch.to_pb())
+        else:
+            raise RuntimeError("Unspecified ttl settings mode")
+
+        return pb
+
+
 class TableStats(object):
     def __init__(self):
         self.partitions = None
@@ -680,8 +680,8 @@ class TableDescription(object):
         self.profile = None
         self.indexes = []
         self.column_families = []
-        self.ttl_settings = None 
-        self.attributes = {} 
+        self.ttl_settings = None
+        self.attributes = {}
         self.uniform_partitions = 0
         self.partition_at_keys = None
         self.compaction_policy = None
@@ -734,18 +734,18 @@ class TableDescription(object):
         self.profile = profile
         return self
 
-    def with_ttl(self, ttl_settings): 
-        self.ttl_settings = ttl_settings 
-        return self 
+    def with_ttl(self, ttl_settings):
+        self.ttl_settings = ttl_settings
+        return self
+
+    def with_attributes(self, attributes):
+        self.attributes = attributes
+        return self
 
-    def with_attributes(self, attributes): 
-        self.attributes = attributes 
-        return self 
- 
     def with_uniform_partitions(self, uniform_partitions):
         self.uniform_partitions = uniform_partitions
         return self
- 
+
     def with_partition_at_keys(self, partition_at_keys):
         self.partition_at_keys = partition_at_keys
         return self
@@ -1460,19 +1460,19 @@ class TableSchemeEntry(scheme.SchemeEntry):
                     getattr(partitioning_settings, field),
                 )
 
-        self.ttl_settings = None 
-        if ttl_settings is not None: 
+        self.ttl_settings = None
+        if ttl_settings is not None:
             if ttl_settings.HasField("date_type_column"):
-                self.ttl_settings = TtlSettings().with_date_type_column( 
-                    ttl_settings.date_type_column.column_name, 
+                self.ttl_settings = TtlSettings().with_date_type_column(
+                    ttl_settings.date_type_column.column_name,
                     ttl_settings.date_type_column.expire_after_seconds,
-                ) 
+                )
             elif ttl_settings.HasField("value_since_unix_epoch"):
-                self.ttl_settings = TtlSettings().with_value_since_unix_epoch( 
-                    ttl_settings.value_since_unix_epoch.column_name, 
-                    ColumnUnit(ttl_settings.value_since_unix_epoch.column_unit), 
+                self.ttl_settings = TtlSettings().with_value_since_unix_epoch(
+                    ttl_settings.value_since_unix_epoch.column_name,
+                    ColumnUnit(ttl_settings.value_since_unix_epoch.column_unit),
                     ttl_settings.value_since_unix_epoch.expire_after_seconds,
-                ) 
+                )
 
         self.table_stats = None
         if table_stats is not None:
@@ -1487,9 +1487,9 @@ class TableSchemeEntry(scheme.SchemeEntry):
                     table_stats.store_size
                 )
 
-        self.attributes = attributes 
- 
- 
+        self.attributes = attributes
+
+
 class RenameItem:
     def __init__(self, source_path, destination_path, replace_destination=False):
         self._source_path = source_path
@@ -1726,12 +1726,12 @@ class BaseSession(ISession):
         set_read_replicas_settings=None,
     ):
         return self._driver(
-            _session_impl.alter_table_request_factory( 
+            _session_impl.alter_table_request_factory(
                 self._state,
                 path,
                 add_columns,
                 drop_columns,
-                alter_attributes, 
+                alter_attributes,
                 add_indexes,
                 drop_indexes,
                 set_ttl_settings,
@@ -1743,7 +1743,7 @@ class BaseSession(ISession):
                 alter_partitioning_settings,
                 set_key_bloom_filter,
                 set_read_replicas_settings,
-            ), 
+            ),
             _apis.TableService.Stub,
             _apis.TableService.AlterTable,
             _session_impl.AlterTableOperation,
@@ -1959,12 +1959,12 @@ class Session(BaseSession):
         set_read_replicas_settings=None,
     ):
         return self._driver.future(
-            _session_impl.alter_table_request_factory( 
+            _session_impl.alter_table_request_factory(
                 self._state,
                 path,
                 add_columns,
                 drop_columns,
-                alter_attributes, 
+                alter_attributes,
                 add_indexes,
                 drop_indexes,
                 set_ttl_settings,
@@ -1976,7 +1976,7 @@ class Session(BaseSession):
                 alter_partitioning_settings,
                 set_key_bloom_filter,
                 set_read_replicas_settings,
-            ), 
+            ),
             _apis.TableService.Stub,
             _apis.TableService.AlterTable,
             _session_impl.AlterTableOperation,
diff --git a/ydb/public/tools/lib/cmds/__init__.py b/ydb/public/tools/lib/cmds/__init__.py
index f37e7d5602..977f0a4aae 100644
--- a/ydb/public/tools/lib/cmds/__init__.py
+++ b/ydb/public/tools/lib/cmds/__init__.py
@@ -26,7 +26,7 @@ class EmptyArguments(object):
         self.ydb_udfs_dir = None
         self.yql_config_path = None
         self.auth_config_path = None
-        self.debug_logging = [] 
+        self.debug_logging = []
         self.fixed_ports = False
 
 
@@ -71,22 +71,22 @@ def wrap_path(path):
     )
 
 
-def write_file_flushed(filename, content): 
-    with open(filename, 'w') as fd: 
-        fd.write(content) 
-        fd.flush() 
-        os.fsync(fd.fileno()) 
- 
- 
+def write_file_flushed(filename, content):
+    with open(filename, 'w') as fd:
+        fd.write(content)
+        fd.flush()
+        os.fsync(fd.fileno())
+
+
 def write_file(args, suffix, content):
     if args.ydb_working_dir:
-        write_file_flushed(os.path.join(args.ydb_working_dir, suffix), content) 
+        write_file_flushed(os.path.join(args.ydb_working_dir, suffix), content)
         return
 
-    write_file_flushed(os.path.join(yatest_common.output_path(suffix)), content) 
+    write_file_flushed(os.path.join(yatest_common.output_path(suffix)), content)
 
     try:
-        write_file_flushed(suffix, content) 
+        write_file_flushed(suffix, content)
     except IOError:
         return
 
@@ -256,14 +256,14 @@ def deploy(arguments):
         arguments.ydb_binary_path = driver_path_packages(arguments.use_packages)
         arguments.ydb_udfs_dir = None
 
-    additional_log_configs = {} 
+    additional_log_configs = {}
     if getattr(arguments, 'debug_logging', []):
         debug_logging = getattr(arguments, 'debug_logging', [])
-        additional_log_configs = { 
-            k: LogLevels.DEBUG 
+        additional_log_configs = {
+            k: LogLevels.DEBUG
             for k in debug_logging
-        } 
- 
+        }
+
     port_allocator = None
     if getattr(arguments, 'fixed_ports', False):
         port_allocator = KikimrFixedPortAllocator([KikimrFixedNodePortAllocator()])
@@ -286,7 +286,7 @@ def deploy(arguments):
         load_udfs=True,
         suppress_version_check=arguments.suppress_version_check,
         udfs_path=arguments.ydb_udfs_dir,
-        additional_log_configs=additional_log_configs, 
+        additional_log_configs=additional_log_configs,
         port_allocator=port_allocator,
         use_in_memory_pdisks=use_in_memory_pdisks_flag(),
         yql_config_path=arguments.yql_config_path,
diff --git a/ydb/services/datastreams/grpc_service.cpp b/ydb/services/datastreams/grpc_service.cpp
index 76f040eb8c..7a18cd4dc6 100644
--- a/ydb/services/datastreams/grpc_service.cpp
+++ b/ydb/services/datastreams/grpc_service.cpp
@@ -47,10 +47,10 @@ void TGRpcDataStreamsService::DecRequest() {
 
 void TGRpcDataStreamsService::InitNewSchemeCache() {
     auto appData = ActorSystem_->AppData<TAppData>();
-    auto cacheCounters = GetServiceCounters(Counters_, "pqproxy|schemecache"); 
-    auto cacheConfig = MakeIntrusive<NSchemeCache::TSchemeCacheConfig>(appData, cacheCounters); 
-    NewSchemeCache = ActorSystem_->Register(CreateSchemeBoardSchemeCache(cacheConfig.Get()), 
-        TMailboxType::HTSwap, ActorSystem_->AppData<TAppData>()->UserPoolId); 
+    auto cacheCounters = GetServiceCounters(Counters_, "pqproxy|schemecache");
+    auto cacheConfig = MakeIntrusive<NSchemeCache::TSchemeCacheConfig>(appData, cacheCounters);
+    NewSchemeCache = ActorSystem_->Register(CreateSchemeBoardSchemeCache(cacheConfig.Get()),
+        TMailboxType::HTSwap, ActorSystem_->AppData<TAppData>()->UserPoolId);
 }
 
 void TGRpcDataStreamsService::SetupIncomingRequests(NGrpc::TLoggerPtr logger)
diff --git a/ydb/services/persqueue_v1/grpc_pq_actor.h b/ydb/services/persqueue_v1/grpc_pq_actor.h
index badb03a035..65c8aca1db 100644
--- a/ydb/services/persqueue_v1/grpc_pq_actor.h
+++ b/ydb/services/persqueue_v1/grpc_pq_actor.h
@@ -488,10 +488,10 @@ private:
 
             HFunc(TEvDescribeTopicsResponse, Handle)
 
-            HFunc(NPQ::TEvPartitionWriter::TEvInitResult, Handle); 
-            HFunc(NPQ::TEvPartitionWriter::TEvWriteAccepted, Handle); 
-            HFunc(NPQ::TEvPartitionWriter::TEvWriteResponse, Handle); 
-            HFunc(NPQ::TEvPartitionWriter::TEvDisconnected, Handle); 
+            HFunc(NPQ::TEvPartitionWriter::TEvInitResult, Handle);
+            HFunc(NPQ::TEvPartitionWriter::TEvWriteAccepted, Handle);
+            HFunc(NPQ::TEvPartitionWriter::TEvWriteResponse, Handle);
+            HFunc(NPQ::TEvPartitionWriter::TEvDisconnected, Handle);
             HFunc(TEvTabletPipe::TEvClientDestroyed, Handle);
             HFunc(TEvTabletPipe::TEvClientConnected, Handle);
 
@@ -533,10 +533,10 @@ private:
     THolder<NKqp::TEvKqp::TEvQueryRequest> MakeUpdateSourceIdMetadataRequest(const NActors::TActorContext& ctx);
     void InitCheckACL(const TActorContext& ctx);
 
-    void Handle(NPQ::TEvPartitionWriter::TEvInitResult::TPtr& ev, const TActorContext& ctx); 
-    void Handle(NPQ::TEvPartitionWriter::TEvWriteAccepted::TPtr& ev, const TActorContext& ctx); 
-    void Handle(NPQ::TEvPartitionWriter::TEvWriteResponse::TPtr& ev, const TActorContext& ctx); 
-    void Handle(NPQ::TEvPartitionWriter::TEvDisconnected::TPtr& ev, const TActorContext& ctx); 
+    void Handle(NPQ::TEvPartitionWriter::TEvInitResult::TPtr& ev, const TActorContext& ctx);
+    void Handle(NPQ::TEvPartitionWriter::TEvWriteAccepted::TPtr& ev, const TActorContext& ctx);
+    void Handle(NPQ::TEvPartitionWriter::TEvWriteResponse::TPtr& ev, const TActorContext& ctx);
+    void Handle(NPQ::TEvPartitionWriter::TEvDisconnected::TPtr& ev, const TActorContext& ctx);
     void Handle(TEvTabletPipe::TEvClientConnected::TPtr& ev, const NActors::TActorContext& ctx);
     void Handle(TEvTabletPipe::TEvClientDestroyed::TPtr& ev, const NActors::TActorContext& ctx);
     void Handle(TEvPersQueue::TEvGetPartitionIdForWriteResponse::TPtr& ev, const NActors::TActorContext& ctx);
@@ -564,15 +564,15 @@ private:
         ES_WAIT_NEXT_PARTITION = 5,
         ES_WAIT_TABLE_REQUEST_2 = 6,
         ES_WAIT_TABLE_REQUEST_3 = 7,
-        ES_WAIT_WRITER_INIT = 8, 
-        ES_INITED = 9 
+        ES_WAIT_WRITER_INIT = 8,
+        ES_INITED = 9
         //TODO: filter
     };
 
     EState State;
     TActorId SchemeCache;
     TActorId NewSchemeCache;
-    TActorId Writer; 
+    TActorId Writer;
 
     TString PeerName;
     ui64 Cookie;
@@ -599,10 +599,10 @@ private:
         // Source requests from user (grpc session object)
         std::deque<THolder<TEvPQProxy::TEvWrite>> UserWriteRequests;
 
-        // Formed write request's size 
+        // Formed write request's size
         ui64 ByteSize = 0;
 
-        // Formed write request's cookie 
+        // Formed write request's cookie
         ui64 Cookie = 0;
     };
 
diff --git a/ydb/services/persqueue_v1/grpc_pq_read_actor.cpp b/ydb/services/persqueue_v1/grpc_pq_read_actor.cpp
index 7661084acb..654edfcfcd 100644
--- a/ydb/services/persqueue_v1/grpc_pq_read_actor.cpp
+++ b/ydb/services/persqueue_v1/grpc_pq_read_actor.cpp
@@ -1928,11 +1928,11 @@ bool FillBatchedData(MigrationStreamingReadServerMessage::DataBatch * data, cons
 
         TString sourceId;
         if (!r.GetSourceId().empty()) {
-            if (!NPQ::NSourceIdEncoding::IsValidEncoded(r.GetSourceId())) { 
+            if (!NPQ::NSourceIdEncoding::IsValidEncoded(r.GetSourceId())) {
                 LOG_ERROR_S(ctx, NKikimrServices::PQ_READ_PROXY, "read bad sourceId from " << Partition
                                                                                            << " offset " << r.GetOffset() << " seqNo " << r.GetSeqNo() << " sourceId '" << r.GetSourceId() << "'");
             }
-            sourceId = NPQ::NSourceIdEncoding::Decode(r.GetSourceId()); 
+            sourceId = NPQ::NSourceIdEncoding::Decode(r.GetSourceId());
         }
 
         if (!currentBatch || currentBatch->write_timestamp_ms() != r.GetWriteTimestampMS() || currentBatch->source_id() != sourceId) {
diff --git a/ydb/services/persqueue_v1/grpc_pq_write_actor.cpp b/ydb/services/persqueue_v1/grpc_pq_write_actor.cpp
index d5052a8e92..3038cc82a6 100644
--- a/ydb/services/persqueue_v1/grpc_pq_write_actor.cpp
+++ b/ydb/services/persqueue_v1/grpc_pq_write_actor.cpp
@@ -225,8 +225,8 @@ void TWriteSessionActor::Handle(IContext::TEvWriteFinished::TPtr& ev, const TAct
 
 
 void TWriteSessionActor::Die(const TActorContext& ctx) {
-    if (Writer) 
-        ctx.Send(Writer, new TEvents::TEvPoisonPill()); 
+    if (Writer)
+        ctx.Send(Writer, new TEvents::TEvPoisonPill());
 
     if (SessionsActive) {
         SessionsActive.Dec();
@@ -318,7 +318,7 @@ void TWriteSessionActor::Handle(TEvPQProxy::TEvWriteInit::TPtr& ev, const TActor
     SourceId = init.message_group_id();
     TString encodedSourceId;
     try {
-        encodedSourceId = NPQ::NSourceIdEncoding::Encode(SourceId); 
+        encodedSourceId = NPQ::NSourceIdEncoding::Encode(SourceId);
     } catch (yexception& e) {
         CloseSession(TStringBuilder() << "incorrect sourceId \"" << SourceId << "\": " << e.what(),  PersQueue::ErrorCode::BAD_REQUEST, ctx);
         return;
@@ -698,8 +698,8 @@ void TWriteSessionActor::ProceedPartition(const ui32 partition, const TActorCont
         return;
     }
 
-    Writer = ctx.RegisterWithSameMailbox(NPQ::CreatePartitionWriter(ctx.SelfID, tabletId, Partition, SourceId)); 
-    State = ES_WAIT_WRITER_INIT; 
+    Writer = ctx.RegisterWithSameMailbox(NPQ::CreatePartitionWriter(ctx.SelfID, tabletId, Partition, SourceId));
+    State = ES_WAIT_WRITER_INIT;
 
     ui32 border = AppData(ctx)->PQConfig.GetWriteInitLatencyBigMs();
     auto subGroup = GetServiceCounters(Counters, "pqproxy|SLI");
@@ -746,83 +746,83 @@ void TWriteSessionActor::CloseSession(const TString& errorReason, const PersQueu
     Die(ctx);
 }
 
-void TWriteSessionActor::Handle(NPQ::TEvPartitionWriter::TEvInitResult::TPtr& ev, const TActorContext& ctx) { 
-    if (State != ES_WAIT_WRITER_INIT) { 
-        return CloseSession("got init result but not wait for it", PersQueue::ErrorCode::ERROR, ctx); 
-    } 
+void TWriteSessionActor::Handle(NPQ::TEvPartitionWriter::TEvInitResult::TPtr& ev, const TActorContext& ctx) {
+    if (State != ES_WAIT_WRITER_INIT) {
+        return CloseSession("got init result but not wait for it", PersQueue::ErrorCode::ERROR, ctx);
+    }
 
-    const auto& result = *ev->Get(); 
-    if (!result.IsSuccess()) { 
-        const auto& error = result.GetError(); 
-        if (error.Response.HasErrorCode()) { 
+    const auto& result = *ev->Get();
+    if (!result.IsSuccess()) {
+        const auto& error = result.GetError();
+        if (error.Response.HasErrorCode()) {
             return CloseSession("status is not ok: " + error.Response.GetErrorReason(), ConvertOldCode(error.Response.GetErrorCode()), ctx);
         } else {
-            return CloseSession("error at writer init: " + error.Reason, PersQueue::ErrorCode::ERROR, ctx); 
+            return CloseSession("error at writer init: " + error.Reason, PersQueue::ErrorCode::ERROR, ctx);
         }
     }
 
-    OwnerCookie = result.GetResult().OwnerCookie; 
-    const auto& maxSeqNo = result.GetResult().SourceIdInfo.GetSeqNo(); 
+    OwnerCookie = result.GetResult().OwnerCookie;
+    const auto& maxSeqNo = result.GetResult().SourceIdInfo.GetSeqNo();
 
-    StreamingWriteServerMessage response; 
-    response.set_status(Ydb::StatusIds::SUCCESS); 
-    auto init = response.mutable_init_response(); 
-    init->set_session_id(EscapeC(OwnerCookie)); 
-    init->set_last_sequence_number(maxSeqNo); 
-    init->set_partition_id(Partition); 
+    StreamingWriteServerMessage response;
+    response.set_status(Ydb::StatusIds::SUCCESS);
+    auto init = response.mutable_init_response();
+    init->set_session_id(EscapeC(OwnerCookie));
+    init->set_last_sequence_number(maxSeqNo);
+    init->set_partition_id(Partition);
     init->set_topic(TopicConverter->GetModernName());
     init->set_cluster(TopicConverter->GetCluster());
-    init->set_block_format_version(0); 
-    if (InitialPQTabletConfig.HasCodecs()) { 
-        for (const auto& codecName : InitialPQTabletConfig.GetCodecs().GetCodecs()) { 
-            init->add_supported_codecs(CodecByName(codecName)); 
-        } 
-    } 
-
-    LOG_INFO_S(ctx, NKikimrServices::PQ_WRITE_PROXY, "session inited cookie: " << Cookie << " partition: " << Partition 
-                            << " MaxSeqNo: " << maxSeqNo << " sessionId: " << OwnerCookie); 
-
-    if (!Request->GetStreamCtx()->Write(std::move(response))) { 
-        LOG_INFO_S(ctx, NKikimrServices::PQ_WRITE_PROXY, "session v1 cookie: " << Cookie << " sessionId: " << OwnerCookie << " grpc write failed"); 
-        Die(ctx); 
-        return; 
-    } 
-
-    State = ES_INITED; 
-
-    ctx.Schedule(CHECK_ACL_DELAY, new TEvents::TEvWakeup()); 
-
-    //init completed; wait for first data chunk 
-    NextRequestInited = true; 
-    if (!Request->GetStreamCtx()->Read()) { 
-        LOG_INFO_S(ctx, NKikimrServices::PQ_WRITE_PROXY, "session v1 cookie: " << Cookie << " sessionId: " << OwnerCookie << " grpc read failed"); 
-        Die(ctx); 
+    init->set_block_format_version(0);
+    if (InitialPQTabletConfig.HasCodecs()) {
+        for (const auto& codecName : InitialPQTabletConfig.GetCodecs().GetCodecs()) {
+            init->add_supported_codecs(CodecByName(codecName));
+        }
+    }
+
+    LOG_INFO_S(ctx, NKikimrServices::PQ_WRITE_PROXY, "session inited cookie: " << Cookie << " partition: " << Partition
+                            << " MaxSeqNo: " << maxSeqNo << " sessionId: " << OwnerCookie);
+
+    if (!Request->GetStreamCtx()->Write(std::move(response))) {
+        LOG_INFO_S(ctx, NKikimrServices::PQ_WRITE_PROXY, "session v1 cookie: " << Cookie << " sessionId: " << OwnerCookie << " grpc write failed");
+        Die(ctx);
         return;
     }
-} 
 
-void TWriteSessionActor::Handle(NPQ::TEvPartitionWriter::TEvWriteAccepted::TPtr& ev, const TActorContext& ctx) { 
-    if (State != ES_INITED) { 
-        return CloseSession("got write permission but not wait for it", PersQueue::ErrorCode::ERROR, ctx); 
-    } 
+    State = ES_INITED;
 
-    Y_VERIFY(!FormedWrites.empty()); 
-    TWriteRequestBatchInfo::TPtr writeRequest = std::move(FormedWrites.front()); 
+    ctx.Schedule(CHECK_ACL_DELAY, new TEvents::TEvWakeup());
+
+    //init completed; wait for first data chunk
+    NextRequestInited = true;
+    if (!Request->GetStreamCtx()->Read()) {
+        LOG_INFO_S(ctx, NKikimrServices::PQ_WRITE_PROXY, "session v1 cookie: " << Cookie << " sessionId: " << OwnerCookie << " grpc read failed");
+        Die(ctx);
+        return;
+    }
+}
+
+void TWriteSessionActor::Handle(NPQ::TEvPartitionWriter::TEvWriteAccepted::TPtr& ev, const TActorContext& ctx) {
+    if (State != ES_INITED) {
+        return CloseSession("got write permission but not wait for it", PersQueue::ErrorCode::ERROR, ctx);
+    }
+
+    Y_VERIFY(!FormedWrites.empty());
+    TWriteRequestBatchInfo::TPtr writeRequest = std::move(FormedWrites.front());
 
     if (ev->Get()->Cookie != writeRequest->Cookie) {
         return CloseSession("out of order reserve bytes response from server, may be previous is lost", PersQueue::ErrorCode::ERROR, ctx);
-    } 
+    }
 
-    FormedWrites.pop_front(); 
+    FormedWrites.pop_front();
 
-    ui64 diff = writeRequest->ByteSize; 
+    ui64 diff = writeRequest->ByteSize;
 
-    SentMessages.emplace_back(std::move(writeRequest)); 
+    SentMessages.emplace_back(std::move(writeRequest));
 
-    BytesInflight_ -= diff; 
-    BytesInflight.Dec(diff); 
+    BytesInflight_ -= diff;
+    BytesInflight.Dec(diff);
 
-    if (!NextRequestInited && BytesInflight_ < MAX_BYTES_INFLIGHT) { //allow only one big request to be readed but not sended 
+    if (!NextRequestInited && BytesInflight_ < MAX_BYTES_INFLIGHT) { //allow only one big request to be readed but not sended
         NextRequestInited = true;
         if (!Request->GetStreamCtx()->Read()) {
             LOG_INFO_S(ctx, NKikimrServices::PQ_WRITE_PROXY, "session v1 cookie: " << Cookie << " sessionId: " << OwnerCookie << " grpc read failed");
@@ -831,97 +831,97 @@ void TWriteSessionActor::Handle(NPQ::TEvPartitionWriter::TEvWriteAccepted::TPtr&
         }
     }
 
-    --NumReserveBytesRequests; 
-    if (!Writes.empty()) 
-        GenerateNextWriteRequest(ctx); 
-} 
+    --NumReserveBytesRequests;
+    if (!Writes.empty())
+        GenerateNextWriteRequest(ctx);
+}
 
-void TWriteSessionActor::Handle(NPQ::TEvPartitionWriter::TEvWriteResponse::TPtr& ev, const TActorContext& ctx) { 
-    if (State != ES_INITED) { 
-        return CloseSession("got write response but not wait for it", PersQueue::ErrorCode::ERROR, ctx); 
-    } 
+void TWriteSessionActor::Handle(NPQ::TEvPartitionWriter::TEvWriteResponse::TPtr& ev, const TActorContext& ctx) {
+    if (State != ES_INITED) {
+        return CloseSession("got write response but not wait for it", PersQueue::ErrorCode::ERROR, ctx);
+    }
 
-    const auto& result = *ev->Get(); 
-    if (!result.IsSuccess()) { 
-        const auto& record = result.Record; 
-        if (record.HasErrorCode()) { 
+    const auto& result = *ev->Get();
+    if (!result.IsSuccess()) {
+        const auto& record = result.Record;
+        if (record.HasErrorCode()) {
             return CloseSession("status is not ok: " + record.GetErrorReason(), ConvertOldCode(record.GetErrorCode()), ctx);
-        } else { 
-            return CloseSession("error at write: " + result.GetError().Reason, PersQueue::ErrorCode::ERROR, ctx); 
-        } 
-    } 
+        } else {
+            return CloseSession("error at write: " + result.GetError().Reason, PersQueue::ErrorCode::ERROR, ctx);
+        }
+    }
 
-    const auto& resp = result.Record.GetPartitionResponse(); 
+    const auto& resp = result.Record.GetPartitionResponse();
 
-    if (SentMessages.empty()) { 
-        CloseSession("got too many replies from server, internal error", PersQueue::ErrorCode::ERROR, ctx); 
-        return; 
-    } 
+    if (SentMessages.empty()) {
+        CloseSession("got too many replies from server, internal error", PersQueue::ErrorCode::ERROR, ctx);
+        return;
+    }
 
-    TWriteRequestBatchInfo::TPtr writeRequest = std::move(SentMessages.front()); 
-    SentMessages.pop_front(); 
+    TWriteRequestBatchInfo::TPtr writeRequest = std::move(SentMessages.front());
+    SentMessages.pop_front();
 
     if (resp.GetCookie() != writeRequest->Cookie) {
         return CloseSession("out of order write response from server, may be previous is lost", PersQueue::ErrorCode::ERROR, ctx);
-    } 
-
-    auto addAck = [](const TPersQueuePartitionResponse::TCmdWriteResult& res, StreamingWriteServerMessage::BatchWriteResponse* batchWriteResponse, 
-                         StreamingWriteServerMessage::WriteStatistics* stat) { 
-        batchWriteResponse->add_sequence_numbers(res.GetSeqNo()); 
-        batchWriteResponse->add_offsets(res.GetOffset()); 
-        batchWriteResponse->add_already_written(res.GetAlreadyWritten()); 
-
-        stat->set_queued_in_partition_duration_ms( 
-            Max((i64)res.GetTotalTimeInPartitionQueueMs(), stat->queued_in_partition_duration_ms())); 
-        stat->set_throttled_on_partition_duration_ms( 
-            Max((i64)res.GetPartitionQuotedTimeMs(), stat->throttled_on_partition_duration_ms())); 
-        stat->set_throttled_on_topic_duration_ms(Max(static_cast<i64>(res.GetTopicQuotedTimeMs()), stat->throttled_on_topic_duration_ms())); 
-        stat->set_persist_duration_ms( 
-            Max((i64)res.GetWriteTimeMs(), stat->persist_duration_ms())); 
-    }; 
-
-    ui32 partitionCmdWriteResultIndex = 0; 
-    // TODO: Send single batch write response for all user write requests up to some max size/count 
-    for (const auto& userWriteRequest : writeRequest->UserWriteRequests) { 
-        StreamingWriteServerMessage result; 
-        result.set_status(Ydb::StatusIds::SUCCESS); 
-        auto batchWriteResponse = result.mutable_batch_write_response(); 
-        batchWriteResponse->set_partition_id(Partition); 
-
-        for (size_t messageIndex = 0, endIndex = userWriteRequest->Request.write_request().sequence_numbers_size(); messageIndex != endIndex; ++messageIndex) { 
-            if (partitionCmdWriteResultIndex == resp.CmdWriteResultSize()) { 
-                CloseSession("too less responses from server", PersQueue::ErrorCode::ERROR, ctx); 
-                return; 
+    }
+
+    auto addAck = [](const TPersQueuePartitionResponse::TCmdWriteResult& res, StreamingWriteServerMessage::BatchWriteResponse* batchWriteResponse,
+                         StreamingWriteServerMessage::WriteStatistics* stat) {
+        batchWriteResponse->add_sequence_numbers(res.GetSeqNo());
+        batchWriteResponse->add_offsets(res.GetOffset());
+        batchWriteResponse->add_already_written(res.GetAlreadyWritten());
+
+        stat->set_queued_in_partition_duration_ms(
+            Max((i64)res.GetTotalTimeInPartitionQueueMs(), stat->queued_in_partition_duration_ms()));
+        stat->set_throttled_on_partition_duration_ms(
+            Max((i64)res.GetPartitionQuotedTimeMs(), stat->throttled_on_partition_duration_ms()));
+        stat->set_throttled_on_topic_duration_ms(Max(static_cast<i64>(res.GetTopicQuotedTimeMs()), stat->throttled_on_topic_duration_ms()));
+        stat->set_persist_duration_ms(
+            Max((i64)res.GetWriteTimeMs(), stat->persist_duration_ms()));
+    };
+
+    ui32 partitionCmdWriteResultIndex = 0;
+    // TODO: Send single batch write response for all user write requests up to some max size/count
+    for (const auto& userWriteRequest : writeRequest->UserWriteRequests) {
+        StreamingWriteServerMessage result;
+        result.set_status(Ydb::StatusIds::SUCCESS);
+        auto batchWriteResponse = result.mutable_batch_write_response();
+        batchWriteResponse->set_partition_id(Partition);
+
+        for (size_t messageIndex = 0, endIndex = userWriteRequest->Request.write_request().sequence_numbers_size(); messageIndex != endIndex; ++messageIndex) {
+            if (partitionCmdWriteResultIndex == resp.CmdWriteResultSize()) {
+                CloseSession("too less responses from server", PersQueue::ErrorCode::ERROR, ctx);
+                return;
             }
-            const auto& partitionCmdWriteResult = resp.GetCmdWriteResult(partitionCmdWriteResultIndex); 
-            const auto writtenSequenceNumber = userWriteRequest->Request.write_request().sequence_numbers(messageIndex); 
-            if (partitionCmdWriteResult.GetSeqNo() != writtenSequenceNumber) { 
-                CloseSession(TStringBuilder() << "Expected partition " << Partition << " write result for message with sequence number " << writtenSequenceNumber << " but got for " << partitionCmdWriteResult.GetSeqNo(), PersQueue::ErrorCode::ERROR, ctx); 
+            const auto& partitionCmdWriteResult = resp.GetCmdWriteResult(partitionCmdWriteResultIndex);
+            const auto writtenSequenceNumber = userWriteRequest->Request.write_request().sequence_numbers(messageIndex);
+            if (partitionCmdWriteResult.GetSeqNo() != writtenSequenceNumber) {
+                CloseSession(TStringBuilder() << "Expected partition " << Partition << " write result for message with sequence number " << writtenSequenceNumber << " but got for " << partitionCmdWriteResult.GetSeqNo(), PersQueue::ErrorCode::ERROR, ctx);
                 return;
             }
 
-            addAck(partitionCmdWriteResult, batchWriteResponse, batchWriteResponse->mutable_write_statistics()); 
-            ++partitionCmdWriteResultIndex; 
-        } 
+            addAck(partitionCmdWriteResult, batchWriteResponse, batchWriteResponse->mutable_write_statistics());
+            ++partitionCmdWriteResultIndex;
+        }
 
-        if (!Request->GetStreamCtx()->Write(std::move(result))) { 
-            // TODO: Log gRPC write error code 
-            LOG_INFO_S(ctx, NKikimrServices::PQ_WRITE_PROXY, "session v1 cookie: " << Cookie << " sessionId: " << OwnerCookie << " grpc write failed"); 
-            Die(ctx); 
-            return; 
-        } 
-    } 
+        if (!Request->GetStreamCtx()->Write(std::move(result))) {
+            // TODO: Log gRPC write error code
+            LOG_INFO_S(ctx, NKikimrServices::PQ_WRITE_PROXY, "session v1 cookie: " << Cookie << " sessionId: " << OwnerCookie << " grpc write failed");
+            Die(ctx);
+            return;
+        }
+    }
 
-    ui64 diff = writeRequest->ByteSize; 
+    ui64 diff = writeRequest->ByteSize;
 
-    BytesInflightTotal_ -= diff; 
-    BytesInflightTotal.Dec(diff); 
+    BytesInflightTotal_ -= diff;
+    BytesInflightTotal.Dec(diff);
 
-    CheckFinish(ctx); 
-} 
+    CheckFinish(ctx);
+}
 
-void TWriteSessionActor::Handle(NPQ::TEvPartitionWriter::TEvDisconnected::TPtr&, const TActorContext& ctx) { 
-    CloseSession("pipe to partition's tablet is dead", PersQueue::ErrorCode::ERROR, ctx); 
+void TWriteSessionActor::Handle(NPQ::TEvPartitionWriter::TEvDisconnected::TPtr&, const TActorContext& ctx) {
+    CloseSession("pipe to partition's tablet is dead", PersQueue::ErrorCode::ERROR, ctx);
 }
 
 void TWriteSessionActor::Handle(TEvTabletPipe::TEvClientConnected::TPtr& ev, const TActorContext& ctx) {
@@ -941,9 +941,9 @@ void TWriteSessionActor::Handle(TEvTabletPipe::TEvClientDestroyed::TPtr& ev, con
 void TWriteSessionActor::GenerateNextWriteRequest(const TActorContext& ctx) {
     TWriteRequestBatchInfo::TPtr writeRequest = new TWriteRequestBatchInfo();
 
-    auto ev = MakeHolder<NPQ::TEvPartitionWriter::TEvWriteRequest>(++NextRequestCookie); 
-    NKikimrClient::TPersQueueRequest& request = ev->Record; 
- 
+    auto ev = MakeHolder<NPQ::TEvPartitionWriter::TEvWriteRequest>(++NextRequestCookie);
+    NKikimrClient::TPersQueueRequest& request = ev->Record;
+
     writeRequest->UserWriteRequests = std::move(Writes);
     Writes.clear();
 
@@ -952,7 +952,7 @@ void TWriteSessionActor::GenerateNextWriteRequest(const TActorContext& ctx) {
         auto w = request.MutablePartitionRequest()->AddCmdWrite();
         w->SetData(GetSerializedData(InitMeta, writeRequest, messageIndex));
         w->SetSeqNo(writeRequest.sequence_numbers(messageIndex));
-        w->SetSourceId(NPQ::NSourceIdEncoding::EncodeSimple(SourceId)); 
+        w->SetSourceId(NPQ::NSourceIdEncoding::EncodeSimple(SourceId));
         w->SetCreateTimeMS(writeRequest.created_at_ms(messageIndex));
         w->SetUncompressedSize(writeRequest.blocks_uncompressed_sizes(messageIndex));
         w->SetClientDC(ClientDC);
@@ -966,7 +966,7 @@ void TWriteSessionActor::GenerateNextWriteRequest(const TActorContext& ctx) {
         }
     }
 
-    writeRequest->Cookie = request.GetPartitionRequest().GetCookie(); 
+    writeRequest->Cookie = request.GetPartitionRequest().GetCookie();
 
     Y_VERIFY(-diff <= (i64)BytesInflight_);
     diff += request.ByteSize();
@@ -978,7 +978,7 @@ void TWriteSessionActor::GenerateNextWriteRequest(const TActorContext& ctx) {
     writeRequest->ByteSize = request.ByteSize();
     FormedWrites.push_back(writeRequest);
 
-    ctx.Send(Writer, std::move(ev)); 
+    ctx.Send(Writer, std::move(ev));
     ++NumReserveBytesRequests;
 }
 
diff --git a/ydb/services/persqueue_v1/persqueue.cpp b/ydb/services/persqueue_v1/persqueue.cpp
index b3363c9e18..ccacc4d43a 100644
--- a/ydb/services/persqueue_v1/persqueue.cpp
+++ b/ydb/services/persqueue_v1/persqueue.cpp
@@ -60,10 +60,10 @@ void TGRpcPersQueueService::DecRequest() {
 
 void TGRpcPersQueueService::InitNewSchemeCacheActor() {
     auto appData = ActorSystem->AppData<TAppData>();
-    auto cacheCounters = GetServiceCounters(Counters, "pqproxy|schemecache"); 
-    auto cacheConfig = MakeIntrusive<NSchemeCache::TSchemeCacheConfig>(appData, cacheCounters); 
-    NewSchemeCache = ActorSystem->Register(CreateSchemeBoardSchemeCache(cacheConfig.Get()), 
-        TMailboxType::HTSwap, ActorSystem->AppData<TAppData>()->UserPoolId); 
+    auto cacheCounters = GetServiceCounters(Counters, "pqproxy|schemecache");
+    auto cacheConfig = MakeIntrusive<NSchemeCache::TSchemeCacheConfig>(appData, cacheCounters);
+    NewSchemeCache = ActorSystem->Register(CreateSchemeBoardSchemeCache(cacheConfig.Get()),
+        TMailboxType::HTSwap, ActorSystem->AppData<TAppData>()->UserPoolId);
 }
 
 void TGRpcPersQueueService::SetupIncomingRequests(NGrpc::TLoggerPtr logger) {
diff --git a/ydb/services/persqueue_v1/persqueue_utils.cpp b/ydb/services/persqueue_v1/persqueue_utils.cpp
index b638e6b68d..51d7f38045 100644
--- a/ydb/services/persqueue_v1/persqueue_utils.cpp
+++ b/ydb/services/persqueue_v1/persqueue_utils.cpp
@@ -1,7 +1,7 @@
 #include "persqueue_utils.h"
 
 #include <ydb/core/base/path.h>
- 
+
 namespace NKikimr::NGRpcProxy::V1 {
 
 TAclWrapper::TAclWrapper(THolder<NACLib::TSecurityObject> acl)
diff --git a/ydb/services/ydb/ya.make b/ydb/services/ydb/ya.make
index bc6cf1f724..a2f41a3e75 100644
--- a/ydb/services/ydb/ya.make
+++ b/ydb/services/ydb/ya.make
@@ -9,10 +9,10 @@ SRCS(
     ydb_clickhouse_internal.cpp
     ydb_dummy.cpp
     ydb_experimental.cpp
-    ydb_export.cpp 
-    ydb_import.cpp 
+    ydb_export.cpp
+    ydb_import.cpp
     ydb_logstore.cpp
-    ydb_operation.cpp 
+    ydb_operation.cpp
     ydb_s3_internal.cpp
     ydb_scheme.cpp
     ydb_scripting.cpp
diff --git a/ydb/services/ydb/ydb_bulk_upsert_ut.cpp b/ydb/services/ydb/ydb_bulk_upsert_ut.cpp
index 221e658ab5..0665008ee4 100644
--- a/ydb/services/ydb/ydb_bulk_upsert_ut.cpp
+++ b/ydb/services/ydb/ydb_bulk_upsert_ut.cpp
@@ -926,10 +926,10 @@ Y_UNIT_TEST_SUITE(YdbTableBulkUpsert) {
         }
     }
 
-    void Index(NYdb::NTable::EIndexType indexType, bool enableBulkUpsertToAsyncIndexedTables = false) { 
-        auto server = TKikimrWithGrpcAndRootSchema({}, {}, {}, false, nullptr, [=](auto& settings) { 
-            settings.SetEnableBulkUpsertToAsyncIndexedTables(enableBulkUpsertToAsyncIndexedTables); 
-        }); 
+    void Index(NYdb::NTable::EIndexType indexType, bool enableBulkUpsertToAsyncIndexedTables = false) {
+        auto server = TKikimrWithGrpcAndRootSchema({}, {}, {}, false, nullptr, [=](auto& settings) {
+            settings.SetEnableBulkUpsertToAsyncIndexedTables(enableBulkUpsertToAsyncIndexedTables);
+        });
         ui16 grpc = server.GetPort();
 
         TString location = TStringBuilder() << "localhost:" << grpc;
@@ -944,7 +944,7 @@ Y_UNIT_TEST_SUITE(YdbTableBulkUpsert) {
             tableBuilder
                 .AddNullableColumn("Key", EPrimitiveType::Uint8)
                 .AddNullableColumn("Value", EPrimitiveType::Uint8)
-                .AddSecondaryIndex("Value_index", indexType, "Value"); 
+                .AddSecondaryIndex("Value_index", indexType, "Value");
 
             tableBuilder.SetPrimaryKeyColumns({"Key"});
             auto result = session.CreateTable("/Root/ui8", tableBuilder.Build()).ExtractValueSync();
@@ -956,24 +956,24 @@ Y_UNIT_TEST_SUITE(YdbTableBulkUpsert) {
 
         {
             auto res = TestUpsertRow(client, "/Root/ui8", 1, 2);
- 
-            if (indexType == NYdb::NTable::EIndexType::GlobalAsync) { 
-                UNIT_ASSERT_VALUES_EQUAL(res.GetStatus(), enableBulkUpsertToAsyncIndexedTables 
-                    ? EStatus::SUCCESS : EStatus::SCHEME_ERROR); 
- 
-                while (enableBulkUpsertToAsyncIndexedTables) { 
-                    auto it = session.ReadTable("/Root/ui8/Value_index/indexImplTable").ExtractValueSync(); 
-                    auto streamPart = it.ReadNext().GetValueSync(); 
-                    auto str = NYdb::FormatResultSetYson(streamPart.ExtractPart()); 
-                    if (str == "[[[2u];[1u]]]") { 
-                        break; 
-                    } 
- 
-                    Sleep(TDuration::Seconds(1)); 
-                } 
-            } else { 
-                UNIT_ASSERT_VALUES_EQUAL(res.GetStatus(), EStatus::SCHEME_ERROR); 
-            } 
+
+            if (indexType == NYdb::NTable::EIndexType::GlobalAsync) {
+                UNIT_ASSERT_VALUES_EQUAL(res.GetStatus(), enableBulkUpsertToAsyncIndexedTables
+                    ? EStatus::SUCCESS : EStatus::SCHEME_ERROR);
+
+                while (enableBulkUpsertToAsyncIndexedTables) {
+                    auto it = session.ReadTable("/Root/ui8/Value_index/indexImplTable").ExtractValueSync();
+                    auto streamPart = it.ReadNext().GetValueSync();
+                    auto str = NYdb::FormatResultSetYson(streamPart.ExtractPart());
+                    if (str == "[[[2u];[1u]]]") {
+                        break;
+                    }
+
+                    Sleep(TDuration::Seconds(1));
+                }
+            } else {
+                UNIT_ASSERT_VALUES_EQUAL(res.GetStatus(), EStatus::SCHEME_ERROR);
+            }
         }
 
         {
@@ -982,18 +982,18 @@ Y_UNIT_TEST_SUITE(YdbTableBulkUpsert) {
         }
     }
 
-    Y_UNIT_TEST(SyncIndexShouldSucceed) { 
-        Index(NYdb::NTable::EIndexType::GlobalSync); 
-    } 
- 
-    Y_UNIT_TEST(AsyncIndexShouldFail) { 
-        Index(NYdb::NTable::EIndexType::GlobalAsync, false); 
-    } 
- 
-    Y_UNIT_TEST(AsyncIndexShouldSucceed) { 
-        Index(NYdb::NTable::EIndexType::GlobalAsync, true); 
-    } 
- 
+    Y_UNIT_TEST(SyncIndexShouldSucceed) {
+        Index(NYdb::NTable::EIndexType::GlobalSync);
+    }
+
+    Y_UNIT_TEST(AsyncIndexShouldFail) {
+        Index(NYdb::NTable::EIndexType::GlobalAsync, false);
+    }
+
+    Y_UNIT_TEST(AsyncIndexShouldSucceed) {
+        Index(NYdb::NTable::EIndexType::GlobalAsync, true);
+    }
+
     Y_UNIT_TEST(Timeout) {
         TKikimrWithGrpcAndRootSchema server;
         ui16 grpc = server.GetPort();
diff --git a/ydb/services/ydb/ydb_common_ut.h b/ydb/services/ydb/ydb_common_ut.h
index d9711746c0..c067928c78 100644
--- a/ydb/services/ydb/ydb_common_ut.h
+++ b/ydb/services/ydb/ydb_common_ut.h
@@ -70,13 +70,13 @@ public:
         }
         ServerSettings->SetAppConfig(appConfig);
         ServerSettings->AuthConfig = appConfig.GetAuthConfig();
-        ServerSettings->FeatureFlags = appConfig.GetFeatureFlags(); 
+        ServerSettings->FeatureFlags = appConfig.GetFeatureFlags();
         ServerSettings->SetKqpSettings(kqpSettings);
-        ServerSettings->SetEnableAsyncIndexes(true); 
+        ServerSettings->SetEnableAsyncIndexes(true);
         ServerSettings->SetEnableDataColumnForIndexTable(true);
         ServerSettings->SetEnableNotNullColumns(true);
-        ServerSettings->SetEnableSystemViews(TestSettings::EnableSystemViews); 
-        ServerSettings->SetEnableSchemeTransactionsAtSchemeShard(true); 
+        ServerSettings->SetEnableSystemViews(TestSettings::EnableSystemViews);
+        ServerSettings->SetEnableSchemeTransactionsAtSchemeShard(true);
         ServerSettings->SetEnableYq(enableYq);
         ServerSettings->Formats = new TFormatFactory;
         ServerSettings->PQConfig = appConfig.GetPQConfig();
diff --git a/ydb/services/ydb/ydb_export.cpp b/ydb/services/ydb/ydb_export.cpp
index 6fb158887a..7a0933ce55 100644
--- a/ydb/services/ydb/ydb_export.cpp
+++ b/ydb/services/ydb/ydb_export.cpp
@@ -1,58 +1,58 @@
-#include "ydb_export.h" 
- 
+#include "ydb_export.h"
+
 #include <ydb/core/grpc_services/grpc_helper.h>
 #include <ydb/core/grpc_services/grpc_request_proxy.h>
 #include <ydb/core/grpc_services/rpc_calls.h>
- 
-namespace NKikimr { 
-namespace NGRpcService { 
- 
+
+namespace NKikimr {
+namespace NGRpcService {
+
 TGRpcYdbExportService::TGRpcYdbExportService(NActors::TActorSystem *system, TIntrusivePtr<NMonitoring::TDynamicCounters> counters, NActors::TActorId id)
-    : ActorSystem_(system) 
-    , Counters_(counters) 
-    , GRpcRequestProxyId_(id) 
-{ } 
- 
+    : ActorSystem_(system)
+    , Counters_(counters)
+    , GRpcRequestProxyId_(id)
+{ }
+
 void TGRpcYdbExportService::InitService(grpc::ServerCompletionQueue *cq, NGrpc::TLoggerPtr logger) {
-    CQ_ = cq; 
+    CQ_ = cq;
     SetupIncomingRequests(std::move(logger));
-} 
- 
+}
+
 void TGRpcYdbExportService::SetGlobalLimiterHandle(NGrpc::TGlobalLimiter* limiter) {
-    Limiter_ = limiter; 
-} 
- 
-bool TGRpcYdbExportService::IncRequest() { 
-    return Limiter_->Inc(); 
-} 
- 
-void TGRpcYdbExportService::DecRequest() { 
-    Limiter_->Dec(); 
-    Y_ASSERT(Limiter_->GetCurrentInFlight() >= 0); 
-} 
- 
+    Limiter_ = limiter;
+}
+
+bool TGRpcYdbExportService::IncRequest() {
+    return Limiter_->Inc();
+}
+
+void TGRpcYdbExportService::DecRequest() {
+    Limiter_->Dec();
+    Y_ASSERT(Limiter_->GetCurrentInFlight() >= 0);
+}
+
 void TGRpcYdbExportService::SetupIncomingRequests(NGrpc::TLoggerPtr logger) {
-    auto getCounterBlock = CreateCounterCb(Counters_, ActorSystem_); 
- 
-#ifdef ADD_REQUEST 
-#error ADD_REQUEST macro already defined 
-#endif 
-#define ADD_REQUEST(NAME, IN, OUT, ACTION) \ 
-    MakeIntrusive<TGRpcRequest<Ydb::Export::IN, Ydb::Export::OUT, TGRpcYdbExportService>>(this, &Service_, CQ_, \ 
+    auto getCounterBlock = CreateCounterCb(Counters_, ActorSystem_);
+
+#ifdef ADD_REQUEST
+#error ADD_REQUEST macro already defined
+#endif
+#define ADD_REQUEST(NAME, IN, OUT, ACTION) \
+    MakeIntrusive<TGRpcRequest<Ydb::Export::IN, Ydb::Export::OUT, TGRpcYdbExportService>>(this, &Service_, CQ_, \
         [this](NGrpc::IRequestContextBase *ctx) { \
-            NGRpcService::ReportGrpcReqToMon(*ActorSystem_, ctx->GetPeer()); \ 
-            ACTION; \ 
-        }, &Ydb::Export::V1::ExportService::AsyncService::Request ## NAME, \ 
+            NGRpcService::ReportGrpcReqToMon(*ActorSystem_, ctx->GetPeer()); \
+            ACTION; \
+        }, &Ydb::Export::V1::ExportService::AsyncService::Request ## NAME, \
         #NAME, logger, getCounterBlock("export", #NAME))->Run();
- 
-    ADD_REQUEST(ExportToYt, ExportToYtRequest, ExportToYtResponse, { 
-        ActorSystem_->Send(GRpcRequestProxyId_, new TEvExportToYtRequest(ctx)); 
-    }) 
-    ADD_REQUEST(ExportToS3, ExportToS3Request, ExportToS3Response, { 
-        ActorSystem_->Send(GRpcRequestProxyId_, new TEvExportToS3Request(ctx)); 
-    }) 
-#undef ADD_REQUEST 
-} 
- 
-} // namespace NGRpcService 
-} // namespace NKikimr 
+
+    ADD_REQUEST(ExportToYt, ExportToYtRequest, ExportToYtResponse, {
+        ActorSystem_->Send(GRpcRequestProxyId_, new TEvExportToYtRequest(ctx));
+    })
+    ADD_REQUEST(ExportToS3, ExportToS3Request, ExportToS3Response, {
+        ActorSystem_->Send(GRpcRequestProxyId_, new TEvExportToS3Request(ctx));
+    })
+#undef ADD_REQUEST
+}
+
+} // namespace NGRpcService
+} // namespace NKikimr
diff --git a/ydb/services/ydb/ydb_export.h b/ydb/services/ydb/ydb_export.h
index c0dedf4902..6049462ca2 100644
--- a/ydb/services/ydb/ydb_export.h
+++ b/ydb/services/ydb/ydb_export.h
@@ -1,33 +1,33 @@
-#pragma once 
- 
+#pragma once
+
 #include <library/cpp/actors/core/actorsystem.h>
 #include <library/cpp/grpc/server/grpc_server.h>
 #include <ydb/public/api/grpc/ydb_export_v1.grpc.pb.h>
- 
-namespace NKikimr { 
-namespace NGRpcService { 
- 
-class TGRpcYdbExportService 
+
+namespace NKikimr {
+namespace NGRpcService {
+
+class TGRpcYdbExportService
     : public NGrpc::TGrpcServiceBase<Ydb::Export::V1::ExportService>
-{ 
-public: 
+{
+public:
     TGRpcYdbExportService(NActors::TActorSystem* system, TIntrusivePtr<NMonitoring::TDynamicCounters> counters,  NActors::TActorId id);
- 
+
     void InitService(grpc::ServerCompletionQueue* cq, NGrpc::TLoggerPtr logger) override;
     void SetGlobalLimiterHandle(NGrpc::TGlobalLimiter* limiter) override;
- 
-    bool IncRequest(); 
-    void DecRequest(); 
-private: 
+
+    bool IncRequest();
+    void DecRequest();
+private:
     void SetupIncomingRequests(NGrpc::TLoggerPtr logger);
- 
-    NActors::TActorSystem* ActorSystem_; 
+
+    NActors::TActorSystem* ActorSystem_;
     grpc::ServerCompletionQueue* CQ_ = nullptr;
- 
-    TIntrusivePtr<NMonitoring::TDynamicCounters> Counters_; 
+
+    TIntrusivePtr<NMonitoring::TDynamicCounters> Counters_;
     NActors::TActorId GRpcRequestProxyId_;
     NGrpc::TGlobalLimiter* Limiter_ = nullptr;
-}; 
- 
-} // namespace NGRpcService 
-} // namespace NKikimr 
+};
+
+} // namespace NGRpcService
+} // namespace NKikimr
diff --git a/ydb/services/ydb/ydb_import.cpp b/ydb/services/ydb/ydb_import.cpp
index cb0f457a34..c27578329d 100644
--- a/ydb/services/ydb/ydb_import.cpp
+++ b/ydb/services/ydb/ydb_import.cpp
@@ -1,58 +1,58 @@
-#include "ydb_import.h" 
- 
+#include "ydb_import.h"
+
 #include <ydb/core/grpc_services/grpc_helper.h>
 #include <ydb/core/grpc_services/grpc_request_proxy.h>
 #include <ydb/core/grpc_services/rpc_calls.h>
- 
-namespace NKikimr { 
-namespace NGRpcService { 
- 
-TGRpcYdbImportService::TGRpcYdbImportService(NActors::TActorSystem *system, TIntrusivePtr<NMonitoring::TDynamicCounters> counters, NActors::TActorId id) 
-    : ActorSystem_(system) 
-    , Counters_(counters) 
-    , GRpcRequestProxyId_(id) 
-{ } 
- 
+
+namespace NKikimr {
+namespace NGRpcService {
+
+TGRpcYdbImportService::TGRpcYdbImportService(NActors::TActorSystem *system, TIntrusivePtr<NMonitoring::TDynamicCounters> counters, NActors::TActorId id)
+    : ActorSystem_(system)
+    , Counters_(counters)
+    , GRpcRequestProxyId_(id)
+{ }
+
 void TGRpcYdbImportService::InitService(grpc::ServerCompletionQueue *cq, NGrpc::TLoggerPtr logger) {
-    CQ_ = cq; 
+    CQ_ = cq;
     SetupIncomingRequests(std::move(logger));
-} 
- 
+}
+
 void TGRpcYdbImportService::SetGlobalLimiterHandle(NGrpc::TGlobalLimiter* limiter) {
-    Limiter_ = limiter; 
-} 
- 
-bool TGRpcYdbImportService::IncRequest() { 
-    return Limiter_->Inc(); 
-} 
- 
-void TGRpcYdbImportService::DecRequest() { 
-    Limiter_->Dec(); 
-    Y_ASSERT(Limiter_->GetCurrentInFlight() >= 0); 
-} 
- 
+    Limiter_ = limiter;
+}
+
+bool TGRpcYdbImportService::IncRequest() {
+    return Limiter_->Inc();
+}
+
+void TGRpcYdbImportService::DecRequest() {
+    Limiter_->Dec();
+    Y_ASSERT(Limiter_->GetCurrentInFlight() >= 0);
+}
+
 void TGRpcYdbImportService::SetupIncomingRequests(NGrpc::TLoggerPtr logger) {
-    auto getCounterBlock = CreateCounterCb(Counters_, ActorSystem_); 
- 
-#ifdef ADD_REQUEST 
-#error ADD_REQUEST macro already defined 
-#endif 
-#define ADD_REQUEST(NAME, IN, OUT, ACTION) \ 
-    MakeIntrusive<TGRpcRequest<Ydb::Import::IN, Ydb::Import::OUT, TGRpcYdbImportService>>(this, &Service_, CQ_, \ 
+    auto getCounterBlock = CreateCounterCb(Counters_, ActorSystem_);
+
+#ifdef ADD_REQUEST
+#error ADD_REQUEST macro already defined
+#endif
+#define ADD_REQUEST(NAME, IN, OUT, ACTION) \
+    MakeIntrusive<TGRpcRequest<Ydb::Import::IN, Ydb::Import::OUT, TGRpcYdbImportService>>(this, &Service_, CQ_, \
         [this](NGrpc::IRequestContextBase *ctx) { \
-            NGRpcService::ReportGrpcReqToMon(*ActorSystem_, ctx->GetPeer()); \ 
-            ACTION; \ 
-        }, &Ydb::Import::V1::ImportService::AsyncService::Request ## NAME, \ 
+            NGRpcService::ReportGrpcReqToMon(*ActorSystem_, ctx->GetPeer()); \
+            ACTION; \
+        }, &Ydb::Import::V1::ImportService::AsyncService::Request ## NAME, \
         #NAME, logger, getCounterBlock("import", #NAME))->Run();
- 
-    ADD_REQUEST(ImportFromS3, ImportFromS3Request, ImportFromS3Response, { 
-        ActorSystem_->Send(GRpcRequestProxyId_, new TEvImportFromS3Request(ctx)); 
-    }) 
-    ADD_REQUEST(ImportData, ImportDataRequest, ImportDataResponse, { 
-        ActorSystem_->Send(GRpcRequestProxyId_, new TEvImportDataRequest(ctx)); 
-    }) 
-#undef ADD_REQUEST 
-} 
- 
-} // namespace NGRpcService 
-} // namespace NKikimr 
+
+    ADD_REQUEST(ImportFromS3, ImportFromS3Request, ImportFromS3Response, {
+        ActorSystem_->Send(GRpcRequestProxyId_, new TEvImportFromS3Request(ctx));
+    })
+    ADD_REQUEST(ImportData, ImportDataRequest, ImportDataResponse, {
+        ActorSystem_->Send(GRpcRequestProxyId_, new TEvImportDataRequest(ctx));
+    })
+#undef ADD_REQUEST
+}
+
+} // namespace NGRpcService
+} // namespace NKikimr
diff --git a/ydb/services/ydb/ydb_import.h b/ydb/services/ydb/ydb_import.h
index cb137b76b9..a7db52853a 100644
--- a/ydb/services/ydb/ydb_import.h
+++ b/ydb/services/ydb/ydb_import.h
@@ -1,33 +1,33 @@
-#pragma once 
- 
-#include <library/cpp/actors/core/actorsystem.h> 
+#pragma once
+
+#include <library/cpp/actors/core/actorsystem.h>
 #include <library/cpp/grpc/server/grpc_server.h>
 #include <ydb/public/api/grpc/ydb_import_v1.grpc.pb.h>
- 
-namespace NKikimr { 
-namespace NGRpcService { 
- 
-class TGRpcYdbImportService 
+
+namespace NKikimr {
+namespace NGRpcService {
+
+class TGRpcYdbImportService
     : public NGrpc::TGrpcServiceBase<Ydb::Import::V1::ImportService>
-{ 
-public: 
-    TGRpcYdbImportService(NActors::TActorSystem* system, TIntrusivePtr<NMonitoring::TDynamicCounters> counters,  NActors::TActorId id); 
- 
+{
+public:
+    TGRpcYdbImportService(NActors::TActorSystem* system, TIntrusivePtr<NMonitoring::TDynamicCounters> counters,  NActors::TActorId id);
+
     void InitService(grpc::ServerCompletionQueue* cq, NGrpc::TLoggerPtr logger) override;
     void SetGlobalLimiterHandle(NGrpc::TGlobalLimiter* limiter) override;
- 
-    bool IncRequest(); 
-    void DecRequest(); 
-private: 
+
+    bool IncRequest();
+    void DecRequest();
+private:
     void SetupIncomingRequests(NGrpc::TLoggerPtr logger);
- 
-    NActors::TActorSystem* ActorSystem_; 
+
+    NActors::TActorSystem* ActorSystem_;
     grpc::ServerCompletionQueue* CQ_ = nullptr;
- 
-    TIntrusivePtr<NMonitoring::TDynamicCounters> Counters_; 
-    NActors::TActorId GRpcRequestProxyId_; 
+
+    TIntrusivePtr<NMonitoring::TDynamicCounters> Counters_;
+    NActors::TActorId GRpcRequestProxyId_;
     NGrpc::TGlobalLimiter* Limiter_ = nullptr;
-}; 
- 
-} // namespace NGRpcService 
-} // namespace NKikimr 
+};
+
+} // namespace NGRpcService
+} // namespace NKikimr
diff --git a/ydb/services/ydb/ydb_logstore_ut.cpp b/ydb/services/ydb/ydb_logstore_ut.cpp
index 9cd057ebbb..fa7679f1a2 100644
--- a/ydb/services/ydb/ydb_logstore_ut.cpp
+++ b/ydb/services/ydb/ydb_logstore_ut.cpp
@@ -350,7 +350,7 @@ Y_UNIT_TEST_SUITE(YdbLogStore) {
 
         // Create table with TTL settings
         {
-            NYdb::NLogStore::TTtlSettings ttlSettings("saved_at", TDuration::Seconds(2000)); 
+            NYdb::NLogStore::TTtlSettings ttlSettings("saved_at", TDuration::Seconds(2000));
             NYdb::NLogStore::TLogTableDescription tableDescr("default", {"timestamp", "uid"}, 4, ttlSettings);
             auto res = logStoreClient.CreateLogTable("/Root/LogStore/log2", std::move(tableDescr)).GetValueSync();
             UNIT_ASSERT_VALUES_EQUAL_C(res.GetStatus(), EStatus::SUCCESS, res.GetIssues().ToString());
@@ -368,7 +368,7 @@ Y_UNIT_TEST_SUITE(YdbLogStore) {
         // Add TTL to a table (currently not supported)
         {
             NYdb::NLogStore::TAlterLogTableSettings alterLogTableSettings;
-            alterLogTableSettings.AlterTtlSettings(NYdb::NTable::TAlterTtlSettings::Set("uint_timestamp", NYdb::NTable::TTtlSettings::EUnit::MilliSeconds, TDuration::Seconds(3600))); 
+            alterLogTableSettings.AlterTtlSettings(NYdb::NTable::TAlterTtlSettings::Set("uint_timestamp", NYdb::NTable::TTtlSettings::EUnit::MilliSeconds, TDuration::Seconds(3600)));
             auto res = logStoreClient.AlterLogTable("/Root/LogStore/log1", std::move(alterLogTableSettings)).GetValueSync();
             UNIT_ASSERT_VALUES_EQUAL_C(res.GetStatus(), EStatus::GENERIC_ERROR, res.GetIssues().ToString());
         }
@@ -383,7 +383,7 @@ Y_UNIT_TEST_SUITE(YdbLogStore) {
         // Change TTL column (currently not supported)
         {
             NYdb::NLogStore::TAlterLogTableSettings alterLogTableSettings;
-            alterLogTableSettings.AlterTtlSettings(NYdb::NTable::TAlterTtlSettings::Set("ingested_at", TDuration::Seconds(86400))); 
+            alterLogTableSettings.AlterTtlSettings(NYdb::NTable::TAlterTtlSettings::Set("ingested_at", TDuration::Seconds(86400)));
             auto res = logStoreClient.AlterLogTable("/Root/LogStore/log2", std::move(alterLogTableSettings)).GetValueSync();
             UNIT_ASSERT_VALUES_EQUAL_C(res.GetStatus(), EStatus::GENERIC_ERROR, res.GetIssues().ToString());
         }
@@ -400,7 +400,7 @@ Y_UNIT_TEST_SUITE(YdbLogStore) {
         // Change TTL expiration time
         {
             NYdb::NLogStore::TAlterLogTableSettings alterLogTableSettings;
-            alterLogTableSettings.AlterTtlSettings(NYdb::NTable::TAlterTtlSettings::Set("saved_at", TDuration::Seconds(86400))); 
+            alterLogTableSettings.AlterTtlSettings(NYdb::NTable::TAlterTtlSettings::Set("saved_at", TDuration::Seconds(86400)));
             auto res = logStoreClient.AlterLogTable("/Root/LogStore/log2", std::move(alterLogTableSettings)).GetValueSync();
             UNIT_ASSERT_VALUES_EQUAL_C(res.GetStatus(), EStatus::SUCCESS, res.GetIssues().ToString());
         }
@@ -433,7 +433,7 @@ Y_UNIT_TEST_SUITE(YdbLogStore) {
 
         // Use invalid column for TTL
         {
-            NYdb::NLogStore::TTtlSettings ttlSettings("nonexisting_column", TDuration::Seconds(2000)); 
+            NYdb::NLogStore::TTtlSettings ttlSettings("nonexisting_column", TDuration::Seconds(2000));
             NYdb::NLogStore::TLogTableDescription tableDescr("default", {"timestamp", "uid"}, 4, ttlSettings);
             auto res = logStoreClient.CreateLogTable("/Root/LogStore/log3", std::move(tableDescr)).GetValueSync();
             UNIT_ASSERT_VALUES_EQUAL_C(res.GetStatus(), EStatus::GENERIC_ERROR, res.GetIssues().ToString());
@@ -441,7 +441,7 @@ Y_UNIT_TEST_SUITE(YdbLogStore) {
 
         // Use column of invalid type for TTL
         {
-            NYdb::NLogStore::TTtlSettings ttlSettings("message", NYdb::NTable::TTtlSettings::EUnit::MilliSeconds, TDuration::Seconds(3600)); 
+            NYdb::NLogStore::TTtlSettings ttlSettings("message", NYdb::NTable::TTtlSettings::EUnit::MilliSeconds, TDuration::Seconds(3600));
             NYdb::NLogStore::TLogTableDescription tableDescr("default", {"timestamp", "uid"}, 4, ttlSettings);
             auto res = logStoreClient.CreateLogTable("/Root/LogStore/log4", std::move(tableDescr)).GetValueSync();
             UNIT_ASSERT_VALUES_EQUAL_C(res.GetStatus(), EStatus::GENERIC_ERROR, res.GetIssues().ToString());
@@ -449,7 +449,7 @@ Y_UNIT_TEST_SUITE(YdbLogStore) {
 
         // Use non-Timestamp column for TTL
         {
-            NYdb::NLogStore::TTtlSettings ttlSettings("uint_timestamp", NYdb::NTable::TTtlSettings::EUnit::MilliSeconds, TDuration::Seconds(3600)); 
+            NYdb::NLogStore::TTtlSettings ttlSettings("uint_timestamp", NYdb::NTable::TTtlSettings::EUnit::MilliSeconds, TDuration::Seconds(3600));
             NYdb::NLogStore::TLogTableDescription tableDescr("default", {"timestamp", "uid"}, 4, ttlSettings);
             auto res = logStoreClient.CreateLogTable("/Root/LogStore/log5", std::move(tableDescr)).GetValueSync();
             UNIT_ASSERT_VALUES_EQUAL_C(res.GetStatus(), EStatus::GENERIC_ERROR, res.GetIssues().ToString());
diff --git a/ydb/services/ydb/ydb_operation.cpp b/ydb/services/ydb/ydb_operation.cpp
index ed30c97b02..602980027c 100644
--- a/ydb/services/ydb/ydb_operation.cpp
+++ b/ydb/services/ydb/ydb_operation.cpp
@@ -1,4 +1,4 @@
-#include "ydb_operation.h" 
+#include "ydb_operation.h"
 
 #include <ydb/core/grpc_services/grpc_helper.h>
 #include <ydb/core/grpc_services/grpc_request_proxy.h>
@@ -22,11 +22,11 @@ void TGRpcOperationService::SetGlobalLimiterHandle(NGrpc::TGlobalLimiter *limite
     Limiter_ = limiter;
 }
 
-bool TGRpcOperationService::IncRequest() { 
+bool TGRpcOperationService::IncRequest() {
     return Limiter_->Inc();
 }
 
-void TGRpcOperationService::DecRequest() { 
+void TGRpcOperationService::DecRequest() {
     Limiter_->Dec();
     Y_ASSERT(Limiter_->GetCurrentInFlight() >= 0);
 }
@@ -37,7 +37,7 @@ void TGRpcOperationService::SetupIncomingRequests(NGrpc::TLoggerPtr logger) {
 #error ADD_REQUEST macro already defined
 #endif
 #define ADD_REQUEST(NAME, IN, OUT, ACTION) \
-    MakeIntrusive<TGRpcRequest<Ydb::Operations::IN, Ydb::Operations::OUT, TGRpcOperationService>>(this, &Service_, CQ_, \ 
+    MakeIntrusive<TGRpcRequest<Ydb::Operations::IN, Ydb::Operations::OUT, TGRpcOperationService>>(this, &Service_, CQ_, \
         [this](NGrpc::IRequestContextBase *ctx) { \
             NGRpcService::ReportGrpcReqToMon(*ActorSystem_, ctx->GetPeer()); \
             ACTION; \
@@ -47,15 +47,15 @@ void TGRpcOperationService::SetupIncomingRequests(NGrpc::TLoggerPtr logger) {
     ADD_REQUEST(GetOperation, GetOperationRequest, GetOperationResponse, {
         ActorSystem_->Send(GRpcRequestProxyId_, new TEvGetOperationRequest(ctx));
     })
-    ADD_REQUEST(CancelOperation, CancelOperationRequest, CancelOperationResponse, { 
-        ActorSystem_->Send(GRpcRequestProxyId_, new TEvCancelOperationRequest(ctx)); 
-    }) 
-    ADD_REQUEST(ForgetOperation, ForgetOperationRequest, ForgetOperationResponse, { 
-        ActorSystem_->Send(GRpcRequestProxyId_, new TEvForgetOperationRequest(ctx)); 
-    }) 
-    ADD_REQUEST(ListOperations, ListOperationsRequest, ListOperationsResponse, { 
-        ActorSystem_->Send(GRpcRequestProxyId_, new TEvListOperationsRequest(ctx)); 
-    }) 
+    ADD_REQUEST(CancelOperation, CancelOperationRequest, CancelOperationResponse, {
+        ActorSystem_->Send(GRpcRequestProxyId_, new TEvCancelOperationRequest(ctx));
+    })
+    ADD_REQUEST(ForgetOperation, ForgetOperationRequest, ForgetOperationResponse, {
+        ActorSystem_->Send(GRpcRequestProxyId_, new TEvForgetOperationRequest(ctx));
+    })
+    ADD_REQUEST(ListOperations, ListOperationsRequest, ListOperationsResponse, {
+        ActorSystem_->Send(GRpcRequestProxyId_, new TEvListOperationsRequest(ctx));
+    })
 #undef ADD_REQUEST
 }
 
diff --git a/ydb/services/ydb/ydb_operation.h b/ydb/services/ydb/ydb_operation.h
index adc6c292ee..9f7e8646b1 100644
--- a/ydb/services/ydb/ydb_operation.h
+++ b/ydb/services/ydb/ydb_operation.h
@@ -7,7 +7,7 @@
 namespace NKikimr {
 namespace NGRpcService {
 
-class TGRpcOperationService 
+class TGRpcOperationService
     : public NGrpc::TGrpcServiceBase<Ydb::Operation::V1::OperationService>
 {
 public:
diff --git a/ydb/services/ydb/ydb_table_ut.cpp b/ydb/services/ydb/ydb_table_ut.cpp
index 8fda10d45f..4861c06b92 100644
--- a/ydb/services/ydb/ydb_table_ut.cpp
+++ b/ydb/services/ydb/ydb_table_ut.cpp
@@ -3061,7 +3061,7 @@ R"___(<main>: Error: Transaction not found: , code: 2015
                                      , {"/Root/Table-2", "/Root/Table-4"}}
                                      ).ExtractValueSync();
             UNIT_ASSERT_EQUAL(result.IsTransportError(), false);
-            UNIT_ASSERT_EQUAL_C(result.GetStatus(), EStatus::SCHEME_ERROR, result.GetStatus()); // do not fail on exist 
+            UNIT_ASSERT_EQUAL_C(result.GetStatus(), EStatus::SCHEME_ERROR, result.GetStatus()); // do not fail on exist
         }
 
         {
diff --git a/ydb/services/ydb/ydb_ut.cpp b/ydb/services/ydb/ydb_ut.cpp
index 2697aac1e4..2d37063079 100644
--- a/ydb/services/ydb/ydb_ut.cpp
+++ b/ydb/services/ydb/ydb_ut.cpp
@@ -4437,7 +4437,7 @@ Y_UNIT_TEST_SUITE(TTableProfileTests) {
         points.add_split_points()->CopyFrom(point);
         keyVal.mutable_items(0)->set_uint64_value(20);
         points.add_split_points()->CopyFrom(point);
-        CreateTable(server, "/Root/ydb_ut_tenant/table-1", profile, Ydb::StatusIds::SCHEME_ERROR); 
+        CreateTable(server, "/Root/ydb_ut_tenant/table-1", profile, Ydb::StatusIds::SCHEME_ERROR);
     }
 
     Y_UNIT_TEST(ExplicitPartitionsComplex) {
@@ -4512,7 +4512,7 @@ Y_UNIT_TEST_SUITE(TTableProfileTests) {
         keyVal.add_items()->set_bytes_value("value1");
         auto &points = *policy.mutable_explicit_partitions();
         points.add_split_points()->CopyFrom(point);
-        CreateTableComplexKey(server, "/Root/ydb_ut_tenant/table-1", profile, Ydb::StatusIds::SCHEME_ERROR); 
+        CreateTableComplexKey(server, "/Root/ydb_ut_tenant/table-1", profile, Ydb::StatusIds::SCHEME_ERROR);
     }
 
     void CheckRepeated(const ::google::protobuf::RepeatedPtrField<TString> &array,
diff --git a/ydb/tests/functional/api/test_public_api.py b/ydb/tests/functional/api/test_public_api.py
index c788a3cba3..072ee35de3 100644
--- a/ydb/tests/functional/api/test_public_api.py
+++ b/ydb/tests/functional/api/test_public_api.py
@@ -3,10 +3,10 @@ import codecs
 import decimal
 import time
 import json
-import os 
+import os
 
 import pytest
-from hamcrest import any_of, assert_that, equal_to, is_, none, raises, less_than, has_length, not_ 
+from hamcrest import any_of, assert_that, equal_to, is_, none, raises, less_than, has_length, not_
 from tornado import ioloop, gen
 from google.protobuf import text_format
 import logging
@@ -115,28 +115,28 @@ class Base(object):
             cls.driver.stop()
 
 
-class WithTenant(Base): 
-    @classmethod 
-    def setup_class(cls): 
+class WithTenant(Base):
+    @classmethod
+    def setup_class(cls):
         cls.cluster = kikimr_cluster_factory()
-        cls.cluster.start() 
-        cls.database_name = "/Root/tenant" 
-        cls.cluster.create_database( 
-            cls.database_name, 
+        cls.cluster.start()
+        cls.database_name = "/Root/tenant"
+        cls.cluster.create_database(
+            cls.database_name,
             storage_pool_units_count={'hdd': 1}
-        ) 
+        )
         cls.cluster.register_and_start_slots(cls.database_name, count=1)
         cls.cluster.wait_tenant_up(cls.database_name)
         cls.connection_params = ydb.DriverConfig(endpoint="localhost:%d" % cls.cluster.nodes[1].port, database=cls.database_name)
-        cls.driver = ydb.Driver(cls.connection_params) 
-        cls.driver.wait() 
- 
-    @classmethod 
-    def teardown_class(cls): 
-        cls.cluster.remove_database(cls.database_name) 
-        super(WithTenant, cls).teardown_class() 
- 
- 
+        cls.driver = ydb.Driver(cls.connection_params)
+        cls.driver.wait()
+
+    @classmethod
+    def teardown_class(cls):
+        cls.cluster.remove_database(cls.database_name)
+        super(WithTenant, cls).teardown_class()
+
+
 class TestExplain(Base):
     def test_explain_data_query(self):
         session = ydb.retry_operation_sync(lambda: self.driver.table_client.session().create())
@@ -1763,219 +1763,219 @@ class TestForPotentialDeadlock(object):
         connection = driver._store.get()
         driver.stop()
         connection.close()
- 
- 
-class TestRecursiveCreation(Base): 
-    def test_mkdir(self): 
-        path = '{}/test_recursive_mkdir/a/b/dir'.format(self.database_name) 
- 
-        self.driver.scheme_client.make_directory(path) 
-        response = self.driver.scheme_client.describe_path(path) 
-        assert_that(response.name, is_(os.path.basename(path))) 
- 
-    def test_create_table(self): 
-        path = '{}/test_recursive_create_table/a/b/table'.format(self.database_name) 
- 
-        self.driver.table_client.session().create().create_table( 
-            path, 
-            ydb.TableDescription() 
-            .with_columns( 
-                ydb.Column('key', ydb.OptionalType(ydb.PrimitiveType.Int32)), 
-                ydb.Column('value', ydb.OptionalType(ydb.PrimitiveType.Utf8)) 
-            ) 
-            .with_primary_key('key') 
-        ) 
-        response = self.driver.scheme_client.describe_path(path) 
-        assert_that(response.name, is_(os.path.basename(path))) 
- 
- 
-class TestAttributes(WithTenant): 
-    ATTRIBUTES = { 
-        'one': '1', 
-        'two': 'two', 
-    } 
- 
-    def test_create_table(self): 
-        path = '{}/test_attributes/create_table/table'.format(self.database_name) 
+
+
+class TestRecursiveCreation(Base):
+    def test_mkdir(self):
+        path = '{}/test_recursive_mkdir/a/b/dir'.format(self.database_name)
+
+        self.driver.scheme_client.make_directory(path)
+        response = self.driver.scheme_client.describe_path(path)
+        assert_that(response.name, is_(os.path.basename(path)))
+
+    def test_create_table(self):
+        path = '{}/test_recursive_create_table/a/b/table'.format(self.database_name)
+
+        self.driver.table_client.session().create().create_table(
+            path,
+            ydb.TableDescription()
+            .with_columns(
+                ydb.Column('key', ydb.OptionalType(ydb.PrimitiveType.Int32)),
+                ydb.Column('value', ydb.OptionalType(ydb.PrimitiveType.Utf8))
+            )
+            .with_primary_key('key')
+        )
+        response = self.driver.scheme_client.describe_path(path)
+        assert_that(response.name, is_(os.path.basename(path)))
+
+
+class TestAttributes(WithTenant):
+    ATTRIBUTES = {
+        'one': '1',
+        'two': 'two',
+    }
+
+    def test_create_table(self):
+        path = '{}/test_attributes/create_table/table'.format(self.database_name)
         session = ydb.retry_operation_sync(lambda: self.driver.table_client.session().create())
         session.create_table(
-            path, 
-            ydb.TableDescription() 
-            .with_columns( 
-                ydb.Column('key', ydb.OptionalType(ydb.PrimitiveType.Int32)), 
-                ydb.Column('value', ydb.OptionalType(ydb.PrimitiveType.Utf8)) 
-            ) 
-            .with_primary_key('key') 
-            .with_attributes(self.ATTRIBUTES) 
-        ) 
- 
+            path,
+            ydb.TableDescription()
+            .with_columns(
+                ydb.Column('key', ydb.OptionalType(ydb.PrimitiveType.Int32)),
+                ydb.Column('value', ydb.OptionalType(ydb.PrimitiveType.Utf8))
+            )
+            .with_primary_key('key')
+            .with_attributes(self.ATTRIBUTES)
+        )
+
         response = session.describe_table(path)
-        assert_that(response.attributes, equal_to(self.ATTRIBUTES)) 
- 
-    def test_copy_table(self): 
-        src_path = '{}/test_attributes/copy_table/src_table'.format(self.database_name) 
-        dst_path = '{}/test_attributes/copy_table/dst_table'.format(self.database_name) 
- 
+        assert_that(response.attributes, equal_to(self.ATTRIBUTES))
+
+    def test_copy_table(self):
+        src_path = '{}/test_attributes/copy_table/src_table'.format(self.database_name)
+        dst_path = '{}/test_attributes/copy_table/dst_table'.format(self.database_name)
+
         session = ydb.retry_operation_sync(lambda: self.driver.table_client.session().create())
         session.create_table(
-            src_path, 
-            ydb.TableDescription() 
-            .with_columns( 
-                ydb.Column('key', ydb.OptionalType(ydb.PrimitiveType.Int32)), 
-                ydb.Column('value', ydb.OptionalType(ydb.PrimitiveType.Utf8)) 
-            ) 
-            .with_primary_key('key') 
-            .with_attributes(self.ATTRIBUTES) 
-        ) 
- 
+            src_path,
+            ydb.TableDescription()
+            .with_columns(
+                ydb.Column('key', ydb.OptionalType(ydb.PrimitiveType.Int32)),
+                ydb.Column('value', ydb.OptionalType(ydb.PrimitiveType.Utf8))
+            )
+            .with_primary_key('key')
+            .with_attributes(self.ATTRIBUTES)
+        )
+
         session.copy_table(src_path, dst_path)
- 
+
         response = session.describe_table(dst_path)
-        assert_that(response.attributes, equal_to(self.ATTRIBUTES)) 
- 
-    def test_create_indexed_table(self): 
-        path = '{}/test_attributes/create_indexed_table/table'.format(self.database_name) 
- 
+        assert_that(response.attributes, equal_to(self.ATTRIBUTES))
+
+    def test_create_indexed_table(self):
+        path = '{}/test_attributes/create_indexed_table/table'.format(self.database_name)
+
         session = ydb.retry_operation_sync(lambda: self.driver.table_client.session().create())
         session.create_table(
-            path, 
-            ydb.TableDescription() 
-            .with_columns( 
-                ydb.Column('key', ydb.OptionalType(ydb.PrimitiveType.Int32)), 
-                ydb.Column('value', ydb.OptionalType(ydb.PrimitiveType.Utf8)) 
-            ) 
-            .with_primary_key('key') 
-            .with_index( 
-                ydb.TableIndex('by_value').with_index_columns('value') 
-            ) 
-            .with_attributes(self.ATTRIBUTES) 
-        ) 
- 
+            path,
+            ydb.TableDescription()
+            .with_columns(
+                ydb.Column('key', ydb.OptionalType(ydb.PrimitiveType.Int32)),
+                ydb.Column('value', ydb.OptionalType(ydb.PrimitiveType.Utf8))
+            )
+            .with_primary_key('key')
+            .with_index(
+                ydb.TableIndex('by_value').with_index_columns('value')
+            )
+            .with_attributes(self.ATTRIBUTES)
+        )
+
         response = session.describe_table(path)
-        assert_that(response.attributes, equal_to(self.ATTRIBUTES)) 
- 
-    def test_alter_table(self): 
-        path = '{}/test_attributes/alter_table/table'.format(self.database_name) 
- 
-        # create 
+        assert_that(response.attributes, equal_to(self.ATTRIBUTES))
+
+    def test_alter_table(self):
+        path = '{}/test_attributes/alter_table/table'.format(self.database_name)
+
+        # create
         session = ydb.retry_operation_sync(lambda: self.driver.table_client.session().create())
         session.create_table(
-            path, 
-            ydb.TableDescription() 
-            .with_columns( 
-                ydb.Column('key', ydb.OptionalType(ydb.PrimitiveType.Int32)), 
-                ydb.Column('value', ydb.OptionalType(ydb.PrimitiveType.Utf8)) 
-            ) 
-            .with_primary_key('key') 
-        ) 
- 
+            path,
+            ydb.TableDescription()
+            .with_columns(
+                ydb.Column('key', ydb.OptionalType(ydb.PrimitiveType.Int32)),
+                ydb.Column('value', ydb.OptionalType(ydb.PrimitiveType.Utf8))
+            )
+            .with_primary_key('key')
+        )
+
         response = session.describe_table(path)
-        assert_that(response.attributes, equal_to({})) 
- 
-        # alter (add) 
+        assert_that(response.attributes, equal_to({}))
+
+        # alter (add)
         session.alter_table(
-            path, add_columns=[], drop_columns=[], alter_attributes=self.ATTRIBUTES 
-        ) 
- 
+            path, add_columns=[], drop_columns=[], alter_attributes=self.ATTRIBUTES
+        )
+
         response = session.describe_table(path)
-        assert_that(response.attributes, equal_to(self.ATTRIBUTES)) 
- 
-        # alter (drop) 
+        assert_that(response.attributes, equal_to(self.ATTRIBUTES))
+
+        # alter (drop)
         session.alter_table(
-            path, add_columns=[], drop_columns=[], alter_attributes={ 
-                k: '' for k in self.ATTRIBUTES.keys() 
-            } 
-        ) 
- 
+            path, add_columns=[], drop_columns=[], alter_attributes={
+                k: '' for k in self.ATTRIBUTES.keys()
+            }
+        )
+
         response = session.describe_table(path)
-        assert_that(response.attributes, equal_to({})) 
- 
-        # mixed alter 
-        def mixed_alter(): 
+        assert_that(response.attributes, equal_to({}))
+
+        # mixed alter
+        def mixed_alter():
             session.alter_table(
-                path, add_columns=[], drop_columns=['value'], alter_attributes=self.ATTRIBUTES 
-            ) 
- 
-        assert_that(mixed_alter, raises(ydb.Unsupported)) 
- 
-    @pytest.mark.parametrize('attributes', [ 
-        {'': 'v'},  # empty key 
-        {'k': ''},  # empty value 
-        {'k' * (100 + 1): 'v'},  # too long key 
-        {'k': 'v' * (4096 + 1)},  # too long value 
-        {'k1': 'v1' * 2048, 'k2': 'v2' * 2048, 'k3': 'v3' * 2048},  # bad total size 
-    ]) 
-    def test_limits(self, attributes): 
-        path = '{}/test_attributes/limits/table'.format(self.database_name) 
+                path, add_columns=[], drop_columns=['value'], alter_attributes=self.ATTRIBUTES
+            )
+
+        assert_that(mixed_alter, raises(ydb.Unsupported))
+
+    @pytest.mark.parametrize('attributes', [
+        {'': 'v'},  # empty key
+        {'k': ''},  # empty value
+        {'k' * (100 + 1): 'v'},  # too long key
+        {'k': 'v' * (4096 + 1)},  # too long value
+        {'k1': 'v1' * 2048, 'k2': 'v2' * 2048, 'k3': 'v3' * 2048},  # bad total size
+    ])
+    def test_limits(self, attributes):
+        path = '{}/test_attributes/limits/table'.format(self.database_name)
         session = ydb.retry_operation_sync(lambda: self.driver.table_client.session().create())
- 
-        def callee(): 
+
+        def callee():
             session.create_table(
-                path, 
-                ydb.TableDescription() 
-                .with_columns( 
-                    ydb.Column('key', ydb.OptionalType(ydb.PrimitiveType.Int32)), 
-                    ydb.Column('value', ydb.OptionalType(ydb.PrimitiveType.Utf8)) 
-                ) 
-                .with_primary_key('key') 
-                .with_attributes(attributes) 
-            ) 
- 
-        assert_that(callee, any_of(raises(ydb.BadRequest), raises(ydb.GenericError))) 
- 
- 
-class TestDocApiTables(WithTenant): 
-    def _create_table(self, path): 
+                path,
+                ydb.TableDescription()
+                .with_columns(
+                    ydb.Column('key', ydb.OptionalType(ydb.PrimitiveType.Int32)),
+                    ydb.Column('value', ydb.OptionalType(ydb.PrimitiveType.Utf8))
+                )
+                .with_primary_key('key')
+                .with_attributes(attributes)
+            )
+
+        assert_that(callee, any_of(raises(ydb.BadRequest), raises(ydb.GenericError)))
+
+
+class TestDocApiTables(WithTenant):
+    def _create_table(self, path):
         session = ydb.retry_operation_sync(lambda: self.driver.table_client.session().create())
         session.create_table(
-            path, 
-            ydb.TableDescription() 
-            .with_columns( 
-                ydb.Column('key', ydb.OptionalType(ydb.PrimitiveType.Int32)), 
-                ydb.Column('value', ydb.OptionalType(ydb.PrimitiveType.Utf8)) 
-            ) 
-            .with_primary_key('key') 
+            path,
+            ydb.TableDescription()
+            .with_columns(
+                ydb.Column('key', ydb.OptionalType(ydb.PrimitiveType.Int32)),
+                ydb.Column('value', ydb.OptionalType(ydb.PrimitiveType.Utf8))
+            )
+            .with_primary_key('key')
             .with_attributes({'__document_api_version': '1'})
-        ) 
- 
-    def test_create_table(self): 
-        path = '{}/test_doc_api_tables/create_table/table'.format(self.database_name) 
-        self._create_table(path) 
- 
-    @pytest.mark.parametrize('settings,ex', [ 
-        (None, ydb.BadRequest), 
-        (ydb.BaseRequestSettings().with_request_type('_document_api_request'), None), 
-    ]) 
-    def test_alter_table(self, settings, ex): 
-        path = '{}/test_test_doc_api_tables/alter_table/table'.format(self.database_name) 
-        self._create_table(path) 
+        )
+
+    def test_create_table(self):
+        path = '{}/test_doc_api_tables/create_table/table'.format(self.database_name)
+        self._create_table(path)
+
+    @pytest.mark.parametrize('settings,ex', [
+        (None, ydb.BadRequest),
+        (ydb.BaseRequestSettings().with_request_type('_document_api_request'), None),
+    ])
+    def test_alter_table(self, settings, ex):
+        path = '{}/test_test_doc_api_tables/alter_table/table'.format(self.database_name)
+        self._create_table(path)
         session = ydb.retry_operation_sync(lambda: self.driver.table_client.session().create())
- 
-        def callee(): 
+
+        def callee():
             session.alter_table(
-                path, add_columns=[], drop_columns=['value'], settings=settings 
-            ) 
- 
-        if ex: 
-            assert_that(callee, raises(ex, "Document API table cannot be modified")) 
-        else: 
-            callee() 
- 
-    @pytest.mark.parametrize('settings,ex', [ 
-        (None, None), 
-        (ydb.BaseRequestSettings().with_request_type('_document_api_request'), None), 
-    ]) 
-    def test_drop_table(self, settings, ex): 
-        path = '{}/test_test_doc_api_tables/drop_table/table'.format(self.database_name) 
-        self._create_table(path) 
+                path, add_columns=[], drop_columns=['value'], settings=settings
+            )
+
+        if ex:
+            assert_that(callee, raises(ex, "Document API table cannot be modified"))
+        else:
+            callee()
+
+    @pytest.mark.parametrize('settings,ex', [
+        (None, None),
+        (ydb.BaseRequestSettings().with_request_type('_document_api_request'), None),
+    ])
+    def test_drop_table(self, settings, ex):
+        path = '{}/test_test_doc_api_tables/drop_table/table'.format(self.database_name)
+        self._create_table(path)
         session = ydb.retry_operation_sync(lambda: self.driver.table_client.session().create())
- 
-        def callee(): 
+
+        def callee():
             session.drop_table(
-                path, settings=settings 
-            ) 
- 
-        if ex: 
-            assert_that(callee, raises(ex, "Document API table cannot be modified")) 
-        else: 
-            callee() 
+                path, settings=settings
+            )
+
+        if ex:
+            assert_that(callee, raises(ex, "Document API table cannot be modified"))
+        else:
+            callee()
diff --git a/ydb/tests/functional/limits/test_schemeshard_limits.py b/ydb/tests/functional/limits/test_schemeshard_limits.py
index c18a8ce677..330cb88377 100644
--- a/ydb/tests/functional/limits/test_schemeshard_limits.py
+++ b/ydb/tests/functional/limits/test_schemeshard_limits.py
@@ -2,7 +2,7 @@
 import os
 import string
 
-from hamcrest import assert_that, raises 
+from hamcrest import assert_that, raises
 from ydb.tests.library.harness.kikimr_cluster import kikimr_cluster_factory
 from ydb.tests.library.harness.kikimr_config import KikimrConfigGenerator
 from ydb.tests.library.harness.util import LogLevels
@@ -42,68 +42,68 @@ class TestSchemeShardLimitsCase0(Base):
     erasure = Erasure.BLOCK_4_2
 
     def test_effective_acls_are_too_large(self):
-        # Arrange 
-        directory_name = "/Root/test_effective_acls_are_too_large" 
-        self.driver.scheme_client.make_directory(directory_name) 
- 
-        # Act 
-        def callee(): 
-            for idx in string.ascii_lowercase: 
-                current_directory = os.path.join(directory_name, idx) 
-                self.driver.scheme_client.make_directory(current_directory) 
-                subject = idx * (6 * 10 ** 6) + '@staff' 
-                self.driver.scheme_client.modify_permissions( 
-                    current_directory, 
-                    ydb.ModifyPermissionsSettings() 
-                    .grant_permissions( 
-                        subject, ( 
-                            'ydb.generic.read', 
-                        ) 
+        # Arrange
+        directory_name = "/Root/test_effective_acls_are_too_large"
+        self.driver.scheme_client.make_directory(directory_name)
+
+        # Act
+        def callee():
+            for idx in string.ascii_lowercase:
+                current_directory = os.path.join(directory_name, idx)
+                self.driver.scheme_client.make_directory(current_directory)
+                subject = idx * (6 * 10 ** 6) + '@staff'
+                self.driver.scheme_client.modify_permissions(
+                    current_directory,
+                    ydb.ModifyPermissionsSettings()
+                    .grant_permissions(
+                        subject, (
+                            'ydb.generic.read',
+                        )
                     )
                 )
-            self.driver.scheme_client.describe_path(current_directory) 
- 
-        # Assert 
-        assert_that( 
-            callee, 
-            raises( 
-                ydb.GenericError, 
-                "ACL is too long" 
+            self.driver.scheme_client.describe_path(current_directory)
+
+        # Assert
+        assert_that(
+            callee,
+            raises(
+                ydb.GenericError,
+                "ACL is too long"
             )
-        ) 
+        )
 
 
 class TestSchemeShardLimitsCase1(Base):
     erasure = Erasure.NONE
 
     def test_too_large_acls(self):
-        # Arrange 
+        # Arrange
         directory_name = "/Root/test_too_large_acls"
-        self.driver.scheme_client.make_directory(directory_name) 
- 
-        # Act 
-        def callee(): 
-            for chr_val in string.ascii_lowercase: 
-                self.driver.scheme_client.modify_permissions( 
-                    directory_name, 
-                    ydb.ModifyPermissionsSettings() 
-                    .grant_permissions( 
-                        'gvit@staff', ( 
-                            'ydb.generic.read', 
-                        ) 
+        self.driver.scheme_client.make_directory(directory_name)
+
+        # Act
+        def callee():
+            for chr_val in string.ascii_lowercase:
+                self.driver.scheme_client.modify_permissions(
+                    directory_name,
+                    ydb.ModifyPermissionsSettings()
+                    .grant_permissions(
+                        'gvit@staff', (
+                            'ydb.generic.read',
+                        )
                     )
-                    .grant_permissions( 
-                        chr_val * 50 * 10 ** 6 + '@staff', ( 
-                            'ydb.generic.read', 
-                        ) 
+                    .grant_permissions(
+                        chr_val * 50 * 10 ** 6 + '@staff', (
+                            'ydb.generic.read',
+                        )
                     )
                 )
- 
-        # Assert 
-        assert_that( 
-            callee, 
-            raises( 
-                ydb.GenericError, 
-                "ACL is too long" 
+
+        # Assert
+        assert_that(
+            callee,
+            raises(
+                ydb.GenericError,
+                "ACL is too long"
             )
-        ) 
+        )
diff --git a/ydb/tests/functional/scheme_shard/test_scheme_shard_operations.py b/ydb/tests/functional/scheme_shard/test_scheme_shard_operations.py
index 4dd33148fc..7c92c83254 100644
--- a/ydb/tests/functional/scheme_shard/test_scheme_shard_operations.py
+++ b/ydb/tests/functional/scheme_shard/test_scheme_shard_operations.py
@@ -71,23 +71,23 @@ class TestSchemeShardSimpleOps(object):
                 )
             )
 
-    def test_create_path_with_long_name_failed(self): 
+    def test_create_path_with_long_name_failed(self):
         # Act
-        def callee(): 
-            name = 'test_create_path_with_long_name_success' * 500 
-            self.ydb_client.scheme_client.make_directory( 
-                os.path.join( 
-                    '/', self.root_dir, name, 
-                ) 
+        def callee():
+            name = 'test_create_path_with_long_name_success' * 500
+            self.ydb_client.scheme_client.make_directory(
+                os.path.join(
+                    '/', self.root_dir, name,
+                )
+            )
+
+        # Assert
+        assert_that(
+            callee,
+            raises(
+                ydb.SchemeError,
+                "path part is too long"
             )
- 
-        # Assert 
-        assert_that( 
-            callee, 
-            raises( 
-                ydb.SchemeError, 
-                "path part is too long" 
-            ) 
         )
 
     def test_delete_directory_from_leaf_success(self):
diff --git a/ydb/tests/functional/scheme_tests/canondata/result.json b/ydb/tests/functional/scheme_tests/canondata/result.json
index 219405b731..3f7abb9930 100644
--- a/ydb/tests/functional/scheme_tests/canondata/result.json
+++ b/ydb/tests/functional/scheme_tests/canondata/result.json
@@ -49,4 +49,4 @@
             "uri": "file://tablet_scheme_tests.TestTabletSchemes.test_tablet_schemes_tx_mediator_/tx_mediator.schema"
         }
     }
-} 
+}
diff --git a/ydb/tests/functional/scheme_tests/canondata/tablet_scheme_tests.TestTabletSchemes.test_tablet_schemes_flat_datashard_/flat_datashard.schema b/ydb/tests/functional/scheme_tests/canondata/tablet_scheme_tests.TestTabletSchemes.test_tablet_schemes_flat_datashard_/flat_datashard.schema
index bcd702e15f..10d5f2ef24 100644
--- a/ydb/tests/functional/scheme_tests/canondata/tablet_scheme_tests.TestTabletSchemes.test_tablet_schemes_flat_datashard_/flat_datashard.schema
+++ b/ydb/tests/functional/scheme_tests/canondata/tablet_scheme_tests.TestTabletSchemes.test_tablet_schemes_flat_datashard_/flat_datashard.schema
@@ -1465,72 +1465,72 @@
                 "Blobs": 1
             }
         }
-    }, 
-    { 
-        "TableId": 28, 
-        "TableName": "SchemaSnapshots", 
-        "TableKey": [ 
-            1, 
-            2, 
-            3 
-        ], 
-        "ColumnsAdded": [ 
-            { 
-                "ColumnId": 1, 
-                "ColumnName": "PathOwnerId", 
-                "ColumnType": "Uint64" 
-            }, 
-            { 
-                "ColumnId": 2, 
-                "ColumnName": "LocalPathId", 
-                "ColumnType": "Uint64" 
-            }, 
-            { 
-                "ColumnId": 3, 
-                "ColumnName": "SchemaVersion", 
-                "ColumnType": "Uint64" 
-            }, 
-            { 
-                "ColumnId": 4, 
-                "ColumnName": "Step", 
-                "ColumnType": "Uint64" 
-            }, 
-            { 
-                "ColumnId": 5, 
-                "ColumnName": "TxId", 
-                "ColumnType": "Uint64" 
-            }, 
-            { 
-                "ColumnId": 6, 
-                "ColumnName": "Schema", 
-                "ColumnType": "String" 
-            } 
-        ], 
-        "ColumnsDropped": [], 
-        "ColumnFamilies": { 
-            "0": { 
-                "Columns": [ 
-                    1, 
-                    2, 
-                    3, 
-                    4, 
-                    5, 
-                    6 
-                ], 
-                "RoomID": 0, 
-                "Codec": 0, 
-                "InMemory": false, 
-                "Cache": 0, 
-                "Small": 4294967295, 
-                "Large": 4294967295 
-            } 
-        }, 
-        "Rooms": { 
-            "0": { 
-                "Main": 1, 
-                "Outer": 1, 
-                "Blobs": 1 
-            } 
-        } 
+    },
+    {
+        "TableId": 28,
+        "TableName": "SchemaSnapshots",
+        "TableKey": [
+            1,
+            2,
+            3
+        ],
+        "ColumnsAdded": [
+            {
+                "ColumnId": 1,
+                "ColumnName": "PathOwnerId",
+                "ColumnType": "Uint64"
+            },
+            {
+                "ColumnId": 2,
+                "ColumnName": "LocalPathId",
+                "ColumnType": "Uint64"
+            },
+            {
+                "ColumnId": 3,
+                "ColumnName": "SchemaVersion",
+                "ColumnType": "Uint64"
+            },
+            {
+                "ColumnId": 4,
+                "ColumnName": "Step",
+                "ColumnType": "Uint64"
+            },
+            {
+                "ColumnId": 5,
+                "ColumnName": "TxId",
+                "ColumnType": "Uint64"
+            },
+            {
+                "ColumnId": 6,
+                "ColumnName": "Schema",
+                "ColumnType": "String"
+            }
+        ],
+        "ColumnsDropped": [],
+        "ColumnFamilies": {
+            "0": {
+                "Columns": [
+                    1,
+                    2,
+                    3,
+                    4,
+                    5,
+                    6
+                ],
+                "RoomID": 0,
+                "Codec": 0,
+                "InMemory": false,
+                "Cache": 0,
+                "Small": 4294967295,
+                "Large": 4294967295
+            }
+        },
+        "Rooms": {
+            "0": {
+                "Main": 1,
+                "Outer": 1,
+                "Blobs": 1
+            }
+        }
     }
 ]
\ No newline at end of file
diff --git a/ydb/tests/functional/serverless/test.py b/ydb/tests/functional/serverless/test.py
index 92012e75db..55e6b5d4e2 100644
--- a/ydb/tests/functional/serverless/test.py
+++ b/ydb/tests/functional/serverless/test.py
@@ -5,12 +5,12 @@ import time
 import functools
 
 import pytest
-from hamcrest import ( 
-    assert_that, 
-    contains_inanyorder, 
-    not_none, 
-) 
- 
+from hamcrest import (
+    assert_that,
+    contains_inanyorder,
+    not_none,
+)
+
 import ydb
 
 from tornado import gen
@@ -78,8 +78,8 @@ def test_create_table(ydb_hostel_db, ydb_serverless_db, ydb_endpoint, metering_f
             )
 
         pool.retry_operation_sync(drop_table, None, os.path.join(database, "dirA1", "dirB1", "table"))
- 
- 
+
+
 def test_turn_on_serverless_storage_billing(ydb_hostel_db, ydb_serverless_db, ydb_endpoint, metering_file_path, ydb_private_client):
     logger.debug(
         "test for serverless db %s over hostel db %s", ydb_serverless_db, ydb_hostel_db
@@ -412,18 +412,18 @@ def test_database_with_disk_quotas(ydb_hostel_db, ydb_disk_quoted_serverless_db,
         IOLoop.current().run_sync(lambda: async_write_key(path, 0, 'test', ignore_out_of_space=False))
 
 
-def test_discovery(ydb_hostel_db, ydb_serverless_db, ydb_endpoint): 
-    def list_endpoints(database): 
-        logger.debug("List endpoints of %s", database) 
-        resolver = ydb.DiscoveryEndpointsResolver(ydb.DriverConfig(ydb_endpoint, database)) 
-        result = resolver.resolve() 
-        if result is not None: 
-            return result.endpoints 
-        return result 
- 
-    hostel_db_endpoints = list_endpoints(ydb_hostel_db) 
-    serverless_db_endpoints = list_endpoints(ydb_serverless_db) 
- 
-    assert_that(hostel_db_endpoints, not_none()) 
-    assert_that(serverless_db_endpoints, not_none()) 
-    assert_that(serverless_db_endpoints, contains_inanyorder(*hostel_db_endpoints)) 
+def test_discovery(ydb_hostel_db, ydb_serverless_db, ydb_endpoint):
+    def list_endpoints(database):
+        logger.debug("List endpoints of %s", database)
+        resolver = ydb.DiscoveryEndpointsResolver(ydb.DriverConfig(ydb_endpoint, database))
+        result = resolver.resolve()
+        if result is not None:
+            return result.endpoints
+        return result
+
+    hostel_db_endpoints = list_endpoints(ydb_hostel_db)
+    serverless_db_endpoints = list_endpoints(ydb_serverless_db)
+
+    assert_that(hostel_db_endpoints, not_none())
+    assert_that(serverless_db_endpoints, not_none())
+    assert_that(serverless_db_endpoints, contains_inanyorder(*hostel_db_endpoints))
diff --git a/ydb/tests/functional/sqs/sqs_test_base.py b/ydb/tests/functional/sqs/sqs_test_base.py
index 81dcd6e0e1..05d5303f64 100644
--- a/ydb/tests/functional/sqs/sqs_test_base.py
+++ b/ydb/tests/functional/sqs/sqs_test_base.py
@@ -273,15 +273,15 @@ class KikimrSqsTestBase(object):
 
     @classmethod
     def _init_cluster(cls, cluster, config_generator):
-        driver_config = ydb.DriverConfig( 
-            "%s:%s" % (cluster.nodes[1].host, cluster.nodes[1].port), 
-            cls.database 
-        ) 
- 
-        with ydb.Driver(driver_config) as driver: 
-            driver.wait() 
-            with ydb.SessionPool(driver, size=1) as pool: 
-                with pool.checkout() as session: 
+        driver_config = ydb.DriverConfig(
+            "%s:%s" % (cluster.nodes[1].host, cluster.nodes[1].port),
+            cls.database
+        )
+
+        with ydb.Driver(driver_config) as driver:
+            driver.wait()
+            with ydb.SessionPool(driver, size=1) as pool:
+                with pool.checkout() as session:
                     create_all_sqs_tables(cls.sqs_root, driver, session)
         cls.create_metauser(cluster, config_generator)
 
diff --git a/ydb/tests/functional/tenants/common.py b/ydb/tests/functional/tenants/common.py
index 77f845be96..827005e5ae 100644
--- a/ydb/tests/functional/tenants/common.py
+++ b/ydb/tests/functional/tenants/common.py
@@ -120,8 +120,8 @@ class DBForStaticSlots(object):
 
 
 class DBWithDynamicSlot(object):
-    SLOT_COUNT = 1 
- 
+    SLOT_COUNT = 1
+
     @classmethod
     def setup_class(cls):
         cls.cluster = kikimr_cluster_factory(
diff --git a/ydb/tests/functional/tenants/test_dynamic_tenants.py b/ydb/tests/functional/tenants/test_dynamic_tenants.py
index 7d669c420a..bdf7d59782 100644
--- a/ydb/tests/functional/tenants/test_dynamic_tenants.py
+++ b/ydb/tests/functional/tenants/test_dynamic_tenants.py
@@ -3,13 +3,13 @@ import os
 import logging
 import time
 
-from hamcrest import ( 
-    any_of, 
-    assert_that, 
-    calling, 
-    equal_to, 
-    raises, 
-) 
+from hamcrest import (
+    any_of,
+    assert_that,
+    calling,
+    equal_to,
+    raises,
+)
 
 import ydb
 
@@ -98,13 +98,13 @@ class TestCreateTenantThenExecYQLEmptyDatabaseHeader(DBWithDynamicSlot):
 
 class TestCreateTenantThenExecYQL(DBWithDynamicSlot):
     def test_case(self):
-        database = '/Root/users/database' 
- 
-        driver_config = ydb.DriverConfig( 
-            "%s:%s" % (self.cluster.nodes[1].host, self.cluster.nodes[1].port), 
-            database 
-        ) 
- 
+        database = '/Root/users/database'
+
+        driver_config = ydb.DriverConfig(
+            "%s:%s" % (self.cluster.nodes[1].host, self.cluster.nodes[1].port),
+            database
+        )
+
         driver_config2 = ydb.DriverConfig(
             "%s:%s" % (self.cluster.nodes[1].host, self.cluster.nodes[1].port),
             database + "/"
@@ -298,112 +298,112 @@ class TestCreateAndDropTheSameTenant2(DBForStaticSlots):
             self.cluster.remove_database(database)
 
             logger.debug("done %d", iNo)
- 
- 
-class TestCheckAccess(DBWithDynamicSlot): 
-    SLOT_COUNT = 2 
- 
-    def test_case(self): 
-        users = {} 
-        for user in ('user_1', 'user_2'): 
-            users[user] = { 
-                'path': os.path.join('/Root/users', user), 
-                'owner': '%s@builtin' % user, 
-            } 
- 
-        for user in users.values(): 
-            self.cluster.create_database( 
-                user['path'], 
-                storage_pool_units_count={ 
-                    'hdd': 1 
-                } 
-            ) 
- 
+
+
+class TestCheckAccess(DBWithDynamicSlot):
+    SLOT_COUNT = 2
+
+    def test_case(self):
+        users = {}
+        for user in ('user_1', 'user_2'):
+            users[user] = {
+                'path': os.path.join('/Root/users', user),
+                'owner': '%s@builtin' % user,
+            }
+
+        for user in users.values():
+            self.cluster.create_database(
+                user['path'],
+                storage_pool_units_count={
+                    'hdd': 1
+                }
+            )
+
             self.cluster.register_and_start_slots(user['path'], count=1)
             self.cluster.wait_tenant_up(user['path'])
 
-            driver_config = ydb.DriverConfig( 
-                "%s:%s" % (self.cluster.nodes[1].host, self.cluster.nodes[1].port), 
-                user['path'] 
-            ) 
- 
-            with ydb.Driver(driver_config) as driver: 
-                driver.wait(timeout=10) 
- 
-                client = ydb.SchemeClient(driver) 
-                client.modify_permissions( 
-                    user['path'], 
-                    ydb.ModifyPermissionsSettings().change_owner(user['owner']) 
-                ) 
- 
-        user_1 = users['user_1'] 
-        user_2 = users['user_2'] 
- 
-        driver_config = ydb.DriverConfig( 
-            "%s:%s" % (self.cluster.nodes[1].host, self.cluster.nodes[1].port), 
-            user_1['path'], auth_token=user_1['owner'] 
-        ) 
- 
-        with ydb.Driver(driver_config) as driver: 
-            driver.wait(timeout=10) 
-            client = ydb.SchemeClient(driver) 
- 
-            while True: 
-                try: 
-                    client.list_directory(user_1['path']) 
-                except ydb.Unauthorized: 
-                    time.sleep(5)  # wait until caches are refreshed 
-                else: 
-                    break 
- 
-            assert_that( 
-                calling(client.list_directory).with_args( 
-                    user_2['path'] 
-                ), 
-                raises(ydb.Unauthorized) 
-            ) 
- 
-            assert_that( 
-                calling(client.list_directory).with_args( 
-                    os.path.join(user_1['path'], 'a') 
-                ), 
-                raises(ydb.SchemeError) 
-            ) 
-            assert_that( 
-                calling(client.list_directory).with_args( 
-                    os.path.join(user_2['path'], 'a') 
-                ), 
-                raises(ydb.SchemeError) 
-            ) 
- 
-            client.make_directory(os.path.join(user_1['path'], 'a')) 
-            assert_that( 
-                calling(client.make_directory).with_args( 
-                    os.path.join(user_2['path'], 'a') 
-                ), 
-                raises(ydb.BadRequest) 
-            ) 
- 
-            with ydb.SessionPool(driver, size=1) as pool: 
-                with pool.checkout() as session: 
-                    session.execute_scheme( 
+            driver_config = ydb.DriverConfig(
+                "%s:%s" % (self.cluster.nodes[1].host, self.cluster.nodes[1].port),
+                user['path']
+            )
+
+            with ydb.Driver(driver_config) as driver:
+                driver.wait(timeout=10)
+
+                client = ydb.SchemeClient(driver)
+                client.modify_permissions(
+                    user['path'],
+                    ydb.ModifyPermissionsSettings().change_owner(user['owner'])
+                )
+
+        user_1 = users['user_1']
+        user_2 = users['user_2']
+
+        driver_config = ydb.DriverConfig(
+            "%s:%s" % (self.cluster.nodes[1].host, self.cluster.nodes[1].port),
+            user_1['path'], auth_token=user_1['owner']
+        )
+
+        with ydb.Driver(driver_config) as driver:
+            driver.wait(timeout=10)
+            client = ydb.SchemeClient(driver)
+
+            while True:
+                try:
+                    client.list_directory(user_1['path'])
+                except ydb.Unauthorized:
+                    time.sleep(5)  # wait until caches are refreshed
+                else:
+                    break
+
+            assert_that(
+                calling(client.list_directory).with_args(
+                    user_2['path']
+                ),
+                raises(ydb.Unauthorized)
+            )
+
+            assert_that(
+                calling(client.list_directory).with_args(
+                    os.path.join(user_1['path'], 'a')
+                ),
+                raises(ydb.SchemeError)
+            )
+            assert_that(
+                calling(client.list_directory).with_args(
+                    os.path.join(user_2['path'], 'a')
+                ),
+                raises(ydb.SchemeError)
+            )
+
+            client.make_directory(os.path.join(user_1['path'], 'a'))
+            assert_that(
+                calling(client.make_directory).with_args(
+                    os.path.join(user_2['path'], 'a')
+                ),
+                raises(ydb.BadRequest)
+            )
+
+            with ydb.SessionPool(driver, size=1) as pool:
+                with pool.checkout() as session:
+                    session.execute_scheme(
                         "create table `{}` (id Int64, primary key(id));".format(
-                            os.path.join(user_1['path'], 'q/w/table') 
-                        ) 
-                    ) 
-                    assert_that( 
-                        calling(session.execute_scheme).with_args( 
+                            os.path.join(user_1['path'], 'q/w/table')
+                        )
+                    )
+                    assert_that(
+                        calling(session.execute_scheme).with_args(
                             "create table `{}` (id Int64, primary key(id));".format(
-                                os.path.join(user_2['path'], 'q/w/table') 
-                            ) 
-                        ), 
-                        any_of(raises(ydb.GenericError), raises(ydb.Unauthorized)) 
-                    ) 
- 
-            assert_that( 
-                calling(client.list_directory).with_args( 
-                    '/Root/' 
-                ), 
-                raises(ydb.Unauthorized) 
-            ) 
-            client.list_directory('/') 
+                                os.path.join(user_2['path'], 'q/w/table')
+                            )
+                        ),
+                        any_of(raises(ydb.GenericError), raises(ydb.Unauthorized))
+                    )
+
+            assert_that(
+                calling(client.list_directory).with_args(
+                    '/Root/'
+                ),
+                raises(ydb.Unauthorized)
+            )
+            client.list_directory('/')
diff --git a/ydb/tests/functional/tenants/test_storage_config.py b/ydb/tests/functional/tenants/test_storage_config.py
index bc8dfbae64..94f1789ed5 100644
--- a/ydb/tests/functional/tenants/test_storage_config.py
+++ b/ydb/tests/functional/tenants/test_storage_config.py
@@ -561,12 +561,12 @@ class TestStorageConfig(TBaseTenant):
     def test_create_tablet(self):
         table_path = '%s/table-1' % (self.tenant_path)
 
-        with self.pool.checkout() as session: 
-            session.execute_scheme( 
+        with self.pool.checkout() as session:
+            session.execute_scheme(
                 "create table `{}` (key Int32, value String, primary key(key));".format(
-                    table_path 
-                ) 
-            ) 
+                    table_path
+                )
+            )
 
             session.transaction().execute(
                 "upsert into `{}` (key) values (101);".format(table_path),
diff --git a/ydb/tests/functional/tenants/test_system_views.py b/ydb/tests/functional/tenants/test_system_views.py
index 036e957f38..b0fc5640f6 100644
--- a/ydb/tests/functional/tenants/test_system_views.py
+++ b/ydb/tests/functional/tenants/test_system_views.py
@@ -1,77 +1,77 @@
-# -*- coding: utf-8 -*- 
-import logging 
-import os 
+# -*- coding: utf-8 -*-
+import logging
+import os
 import time
- 
-from hamcrest import ( 
-    anything, 
-    assert_that, 
+
+from hamcrest import (
+    anything,
+    assert_that,
     greater_than,
-    has_length, 
-    has_properties, 
-) 
- 
+    has_length,
+    has_properties,
+)
+
 from ydb.tests.library.harness.kikimr_cluster import kikimr_cluster_factory
 from ydb.tests.library.harness.kikimr_config import KikimrConfigGenerator
 from ydb.tests.library.harness.util import LogLevels
 import ydb
- 
-logger = logging.getLogger(__name__) 
- 
- 
-class BaseSystemViews(object): 
-    @classmethod 
-    def setup_class(cls): 
-        cls.cluster = kikimr_cluster_factory( 
-            KikimrConfigGenerator( 
+
+logger = logging.getLogger(__name__)
+
+
+class BaseSystemViews(object):
+    @classmethod
+    def setup_class(cls):
+        cls.cluster = kikimr_cluster_factory(
+            KikimrConfigGenerator(
                 additional_log_configs={
                     'SYSTEM_VIEWS': LogLevels.DEBUG
                 }
-            ) 
-        ) 
-        cls.cluster.start() 
- 
-    @classmethod 
-    def teardown_class(cls): 
-        if hasattr(cls, 'cluster'): 
-            cls.cluster.stop() 
- 
-    def setup_method(self, method=None): 
-        self.database = "/Root/users/{class_name}_{method_name}".format( 
+            )
+        )
+        cls.cluster.start()
+
+    @classmethod
+    def teardown_class(cls):
+        if hasattr(cls, 'cluster'):
+            cls.cluster.stop()
+
+    def setup_method(self, method=None):
+        self.database = "/Root/users/{class_name}_{method_name}".format(
             class_name=self.__class__.__name__,
             method_name=method.__name__,
-        ) 
-        logger.debug("Create database %s" % self.database) 
-        self.cluster.create_database( 
-            self.database, 
-            storage_pool_units_count={ 
-                'hdd': 1 
-            } 
-        ) 
+        )
+        logger.debug("Create database %s" % self.database)
+        self.cluster.create_database(
+            self.database,
+            storage_pool_units_count={
+                'hdd': 1
+            }
+        )
         self.cluster.register_and_start_slots(self.database, count=1)
         self.cluster.wait_tenant_up(self.database)
- 
-    def teardown_method(self, method=None): 
-        logger.debug("Remove database %s" % self.database) 
-        self.cluster.remove_database(self.database) 
-        self.database = None 
- 
-    def create_table(self, driver, table): 
-        with ydb.SessionPool(driver, size=1) as pool: 
-            with pool.checkout() as session: 
-                session.execute_scheme( 
+
+    def teardown_method(self, method=None):
+        logger.debug("Remove database %s" % self.database)
+        self.cluster.remove_database(self.database)
+        self.database = None
+
+    def create_table(self, driver, table):
+        with ydb.SessionPool(driver, size=1) as pool:
+            with pool.checkout() as session:
+                session.execute_scheme(
                     "create table `{}` (key Int32, value String, primary key(key));".format(
-                        table 
-                    ) 
-                ) 
- 
-    def read_partition_stats(self, driver, database): 
-        table = os.path.join(database, '.sys/partition_stats') 
+                        table
+                    )
+                )
+
+    def read_partition_stats(self, driver, database):
+        table = os.path.join(database, '.sys/partition_stats')
         return self._stream_query_result(
             driver,
             "select PathId, PartIdx, Path from `{}`;".format(table)
         )
- 
+
     def read_query_metrics(self, driver, database):
         table = os.path.join(database, '.sys/query_metrics_one_minute')
         return self._stream_query_result(
@@ -86,24 +86,24 @@ class BaseSystemViews(object):
             "select Duration, ReadBytes, CPUTime, RequestUnits from `{}`;".format(table)
         )
 
-    def _stream_query_result(self, driver, query): 
+    def _stream_query_result(self, driver, query):
         it = driver.table_client.scan_query(query)
-        result = [] 
- 
-        while True: 
-            try: 
-                response = next(it) 
-            except StopIteration: 
-                break 
- 
+        result = []
+
+        while True:
+            try:
+                response = next(it)
+            except StopIteration:
+                break
+
             for row in response.result_set.rows:
                 result.append(row)
 
-        return result 
- 
+        return result
+
     def check_query_metrics_and_stats(self, query_count):
         table = os.path.join(self.database, 'table')
- 
+
         driver_config = ydb.DriverConfig(
             "%s:%s" % (self.cluster.nodes[1].host, self.cluster.nodes[1].port),
             self.database
@@ -156,28 +156,28 @@ class BaseSystemViews(object):
                 }))
 
 
-class TestPartitionStats(BaseSystemViews): 
-    def test_case(self): 
-        for database in ('/Root', self.database): 
-            table = os.path.join(database, 'table') 
- 
-            driver_config = ydb.DriverConfig( 
-                "%s:%s" % (self.cluster.nodes[1].host, self.cluster.nodes[1].port), 
-                database 
-            ) 
- 
-            with ydb.Driver(driver_config) as driver: 
-                driver.wait(timeout=10) 
- 
-                self.create_table(driver, table) 
-                stats = self.read_partition_stats(driver, database) 
- 
-                assert_that(stats, has_length(1)) 
-                assert_that(stats[0], has_properties({ 
-                    'Path': table, 
-                    'PathId': anything(), 
-                    'PartIdx': 0, 
-                })) 
+class TestPartitionStats(BaseSystemViews):
+    def test_case(self):
+        for database in ('/Root', self.database):
+            table = os.path.join(database, 'table')
+
+            driver_config = ydb.DriverConfig(
+                "%s:%s" % (self.cluster.nodes[1].host, self.cluster.nodes[1].port),
+                database
+            )
+
+            with ydb.Driver(driver_config) as driver:
+                driver.wait(timeout=10)
+
+                self.create_table(driver, table)
+                stats = self.read_partition_stats(driver, database)
+
+                assert_that(stats, has_length(1))
+                assert_that(stats[0], has_properties({
+                    'Path': table,
+                    'PathId': anything(),
+                    'PartIdx': 0,
+                }))
 
 
 class TestQueryMetrics(BaseSystemViews):
diff --git a/ydb/tests/functional/tenants/ya.make b/ydb/tests/functional/tenants/ya.make
index 3474bf0f19..dee204013e 100644
--- a/ydb/tests/functional/tenants/ya.make
+++ b/ydb/tests/functional/tenants/ya.make
@@ -7,7 +7,7 @@ TEST_SRCS(
     test_dynamic_tenants.py
     test_tenants.py
     test_storage_config.py
-    test_system_views.py 
+    test_system_views.py
     test_publish_into_schemeboard_with_common_ssring.py
 )
 
diff --git a/ydb/tests/functional/ttl/test_ttl.py b/ydb/tests/functional/ttl/test_ttl.py
index 793fdaf2b3..a822a2d61f 100644
--- a/ydb/tests/functional/ttl/test_ttl.py
+++ b/ydb/tests/functional/ttl/test_ttl.py
@@ -1,182 +1,182 @@
-# -*- coding: utf-8 -*- 
- 
-import os 
-import time 
- 
-from hamcrest import ( 
-    any_of, 
-    assert_that, 
-    has_item, 
-    has_length, 
-    has_properties, 
-    none, 
-    not_none, 
-) 
- 
+# -*- coding: utf-8 -*-
+
+import os
+import time
+
+from hamcrest import (
+    any_of,
+    assert_that,
+    has_item,
+    has_length,
+    has_properties,
+    none,
+    not_none,
+)
+
 from ydb.tests.library.harness.kikimr_cluster import kikimr_cluster_factory
 from ydb.tests.library.harness.kikimr_config import KikimrConfigGenerator
 from ydb.tests.library.harness.util import LogLevels
 import ydb
- 
- 
-class TestTTL(object): 
-    ENABLE_TTL_ON_INDEXED_TABLES = None 
- 
-    @classmethod 
-    def setup_class(cls): 
-        cls.cluster = kikimr_cluster_factory(KikimrConfigGenerator( 
-            additional_log_configs={ 
-                'FLAT_TX_SCHEMESHARD': LogLevels.DEBUG, 
-                'TX_DATASHARD': LogLevels.DEBUG, 
-            }, 
-        )) 
-        cls.cluster.start() 
-        cls.endpoint = "%s:%s" % (cls.cluster.nodes[1].host, cls.cluster.nodes[1].port) 
-        cls.database = '/Root' 
- 
-    @classmethod 
-    def teardown_class(cls): 
-        cls.cluster.stop() 
- 
-    @classmethod 
-    def build_table_description(cls): 
-        return ydb.TableDescription().with_primary_keys( 
-            'id' 
-        ).with_columns( 
-            ydb.Column('id', ydb.OptionalType(ydb.PrimitiveType.Uint64)), 
-            ydb.Column('expire_at', ydb.OptionalType(ydb.PrimitiveType.Timestamp)), 
-        ).with_ttl( 
-            ydb.TtlSettings().with_date_type_column('expire_at') 
-        ) 
- 
-    @classmethod 
-    def upsert(cls, session, table): 
-        session.transaction().execute( 
-            'upsert into `{}` (id, expire_at) values' 
-            '(1, cast("1970-01-01T00:00:00.000000Z" as Timestamp)),' 
-            '(2, cast("1990-03-01T00:00:00.000000Z" as Timestamp)),' 
-            '(3, cast("2030-04-15T00:00:00.000000Z" as Timestamp));'.format(table), 
-            commit_tx=True 
-        ) 
- 
-    def _run_test(self): 
-        with ydb.Driver(ydb.DriverConfig(self.endpoint, self.database)) as driver: 
-            with ydb.SessionPool(driver) as pool: 
-                with pool.checkout() as session: 
-                    table = os.path.join(self.database, 'table_with_ttl_column') 
- 
-                    session.create_table(table, self.build_table_description()) 
- 
-                    description = session.describe_table(table) 
-                    assert_that(description.ttl_settings, not_none()) 
-                    assert_that(any_of( 
-                        description.ttl_settings.date_type_column, 
-                        description.ttl_settings.value_since_unix_epoch 
-                    ), not_none()) 
- 
-                    self.upsert(session, table) 
- 
+
+
+class TestTTL(object):
+    ENABLE_TTL_ON_INDEXED_TABLES = None
+
+    @classmethod
+    def setup_class(cls):
+        cls.cluster = kikimr_cluster_factory(KikimrConfigGenerator(
+            additional_log_configs={
+                'FLAT_TX_SCHEMESHARD': LogLevels.DEBUG,
+                'TX_DATASHARD': LogLevels.DEBUG,
+            },
+        ))
+        cls.cluster.start()
+        cls.endpoint = "%s:%s" % (cls.cluster.nodes[1].host, cls.cluster.nodes[1].port)
+        cls.database = '/Root'
+
+    @classmethod
+    def teardown_class(cls):
+        cls.cluster.stop()
+
+    @classmethod
+    def build_table_description(cls):
+        return ydb.TableDescription().with_primary_keys(
+            'id'
+        ).with_columns(
+            ydb.Column('id', ydb.OptionalType(ydb.PrimitiveType.Uint64)),
+            ydb.Column('expire_at', ydb.OptionalType(ydb.PrimitiveType.Timestamp)),
+        ).with_ttl(
+            ydb.TtlSettings().with_date_type_column('expire_at')
+        )
+
+    @classmethod
+    def upsert(cls, session, table):
+        session.transaction().execute(
+            'upsert into `{}` (id, expire_at) values'
+            '(1, cast("1970-01-01T00:00:00.000000Z" as Timestamp)),'
+            '(2, cast("1990-03-01T00:00:00.000000Z" as Timestamp)),'
+            '(3, cast("2030-04-15T00:00:00.000000Z" as Timestamp));'.format(table),
+            commit_tx=True
+        )
+
+    def _run_test(self):
+        with ydb.Driver(ydb.DriverConfig(self.endpoint, self.database)) as driver:
+            with ydb.SessionPool(driver) as pool:
+                with pool.checkout() as session:
+                    table = os.path.join(self.database, 'table_with_ttl_column')
+
+                    session.create_table(table, self.build_table_description())
+
+                    description = session.describe_table(table)
+                    assert_that(description.ttl_settings, not_none())
+                    assert_that(any_of(
+                        description.ttl_settings.date_type_column,
+                        description.ttl_settings.value_since_unix_epoch
+                    ), not_none())
+
+                    self.upsert(session, table)
+
                     # conditional erase runs every 60 second
                     for i in range(60):
                         time.sleep(4)
- 
+
                         content = list(self._read_table(session, table, columns=('id',)))
-                        if len(content) == 1: 
-                            break 
-
-                    content = list(self._read_table(session, table, columns=('id',))) 
-                    assert_that(content, has_length(1)) 
-                    assert_that(content, has_item(has_properties(id=3))) 
- 
-    @staticmethod 
-    def _read_table(session, *args, **kwargs): 
-        for chunk in iter(session.read_table(*args, **kwargs)): 
-            for row in chunk.rows: 
-                yield row 
- 
- 
+                        if len(content) == 1:
+                            break
+
+                    content = list(self._read_table(session, table, columns=('id',)))
+                    assert_that(content, has_length(1))
+                    assert_that(content, has_item(has_properties(id=3)))
+
+    @staticmethod
+    def _read_table(session, *args, **kwargs):
+        for chunk in iter(session.read_table(*args, **kwargs)):
+            for row in chunk.rows:
+                yield row
+
+
 class TestTTLDefaultEnv(TestTTL):
-    def test_case(self): 
-        self._run_test() 
- 
- 
-class TestTTLOnIndexedTable(TestTTL): 
-    ENABLE_TTL_ON_INDEXED_TABLES = True 
- 
-    @classmethod 
-    def build_table_description(cls): 
-        return super(TestTTLOnIndexedTable, cls).build_table_description().with_index( 
-            ydb.TableIndex('by_expire_at').with_index_columns('expire_at') 
-        ) 
- 
-    def test_case(self): 
-        self._run_test() 
- 
- 
-class TestTTLValueSinceUnixEpoch(TestTTL): 
-    @classmethod 
-    def build_table_description(cls): 
-        return ydb.TableDescription().with_primary_keys( 
-            'id' 
-        ).with_columns( 
-            ydb.Column('id', ydb.OptionalType(ydb.PrimitiveType.Uint64)), 
-            ydb.Column('expire_at', ydb.OptionalType(ydb.PrimitiveType.Uint64)), 
-        ).with_ttl( 
-            ydb.TtlSettings().with_value_since_unix_epoch('expire_at', ydb.ColumnUnit.UNIT_SECONDS) 
-        ) 
- 
-    @classmethod 
-    def upsert(cls, session, table): 
-        session.transaction().execute( 
-            'upsert into `{}` (id, expire_at) values' 
-            '(1, 0),' 
-            '(2, 636249600),' 
-            '(3, 1902441600);'.format(table), 
-            commit_tx=True 
-        ) 
- 
-    def test_case(self): 
-        self._run_test() 
- 
- 
-class TestTTLAlterSettings(object): 
-    @classmethod 
-    def setup_class(cls): 
-        cls.cluster = kikimr_cluster_factory(KikimrConfigGenerator()) 
-        cls.cluster.start() 
-        cls.endpoint = "%s:%s" % (cls.cluster.nodes[1].host, cls.cluster.nodes[1].port) 
-        cls.database = '/Root' 
- 
-    @classmethod 
-    def teardown_class(cls): 
-        cls.cluster.stop() 
- 
-    def test_case(self): 
-        with ydb.Driver(ydb.DriverConfig(self.endpoint, self.database)) as driver: 
-            with ydb.SessionPool(driver) as pool: 
-                with pool.checkout() as session: 
-                    table = os.path.join(self.database, 'table_with_ttl_column') 
- 
-                    session.create_table( 
-                        table, ydb.TableDescription() 
-                        .with_primary_keys('id') 
-                        .with_columns( 
-                            ydb.Column('id', ydb.OptionalType(ydb.PrimitiveType.Uint64)), 
-                            ydb.Column('expire_at', ydb.OptionalType(ydb.PrimitiveType.Timestamp)), 
-                        ) 
-                    ) 
- 
-                    description = session.describe_table(table) 
-                    assert_that(description.ttl_settings, none()) 
- 
-                    session.alter_table(table, set_ttl_settings=ydb.TtlSettings().with_date_type_column('expire_at')) 
- 
-                    description = session.describe_table(table) 
-                    assert_that(description.ttl_settings, not_none()) 
-                    assert_that(description.ttl_settings.date_type_column, not_none()) 
-                    assert_that(description.ttl_settings.date_type_column, has_properties(column_name='expire_at')) 
- 
-                    session.alter_table(table, drop_ttl_settings=True) 
- 
-                    description = session.describe_table(table) 
-                    assert_that(description.ttl_settings, none()) 
+    def test_case(self):
+        self._run_test()
+
+
+class TestTTLOnIndexedTable(TestTTL):
+    ENABLE_TTL_ON_INDEXED_TABLES = True
+
+    @classmethod
+    def build_table_description(cls):
+        return super(TestTTLOnIndexedTable, cls).build_table_description().with_index(
+            ydb.TableIndex('by_expire_at').with_index_columns('expire_at')
+        )
+
+    def test_case(self):
+        self._run_test()
+
+
+class TestTTLValueSinceUnixEpoch(TestTTL):
+    @classmethod
+    def build_table_description(cls):
+        return ydb.TableDescription().with_primary_keys(
+            'id'
+        ).with_columns(
+            ydb.Column('id', ydb.OptionalType(ydb.PrimitiveType.Uint64)),
+            ydb.Column('expire_at', ydb.OptionalType(ydb.PrimitiveType.Uint64)),
+        ).with_ttl(
+            ydb.TtlSettings().with_value_since_unix_epoch('expire_at', ydb.ColumnUnit.UNIT_SECONDS)
+        )
+
+    @classmethod
+    def upsert(cls, session, table):
+        session.transaction().execute(
+            'upsert into `{}` (id, expire_at) values'
+            '(1, 0),'
+            '(2, 636249600),'
+            '(3, 1902441600);'.format(table),
+            commit_tx=True
+        )
+
+    def test_case(self):
+        self._run_test()
+
+
+class TestTTLAlterSettings(object):
+    @classmethod
+    def setup_class(cls):
+        cls.cluster = kikimr_cluster_factory(KikimrConfigGenerator())
+        cls.cluster.start()
+        cls.endpoint = "%s:%s" % (cls.cluster.nodes[1].host, cls.cluster.nodes[1].port)
+        cls.database = '/Root'
+
+    @classmethod
+    def teardown_class(cls):
+        cls.cluster.stop()
+
+    def test_case(self):
+        with ydb.Driver(ydb.DriverConfig(self.endpoint, self.database)) as driver:
+            with ydb.SessionPool(driver) as pool:
+                with pool.checkout() as session:
+                    table = os.path.join(self.database, 'table_with_ttl_column')
+
+                    session.create_table(
+                        table, ydb.TableDescription()
+                        .with_primary_keys('id')
+                        .with_columns(
+                            ydb.Column('id', ydb.OptionalType(ydb.PrimitiveType.Uint64)),
+                            ydb.Column('expire_at', ydb.OptionalType(ydb.PrimitiveType.Timestamp)),
+                        )
+                    )
+
+                    description = session.describe_table(table)
+                    assert_that(description.ttl_settings, none())
+
+                    session.alter_table(table, set_ttl_settings=ydb.TtlSettings().with_date_type_column('expire_at'))
+
+                    description = session.describe_table(table)
+                    assert_that(description.ttl_settings, not_none())
+                    assert_that(description.ttl_settings.date_type_column, not_none())
+                    assert_that(description.ttl_settings.date_type_column, has_properties(column_name='expire_at'))
+
+                    session.alter_table(table, drop_ttl_settings=True)
+
+                    description = session.describe_table(table)
+                    assert_that(description.ttl_settings, none())
diff --git a/ydb/tests/functional/ttl/ya.make b/ydb/tests/functional/ttl/ya.make
index 78454c829e..dd1ad15ead 100644
--- a/ydb/tests/functional/ttl/ya.make
+++ b/ydb/tests/functional/ttl/ya.make
@@ -1,29 +1,29 @@
 PY3TEST()
- 
-OWNER( 
-    ilnaz 
-    g:kikimr 
-) 
- 
-TEST_SRCS( 
-    test_ttl.py 
-) 
- 
+
+OWNER(
+    ilnaz
+    g:kikimr
+)
+
+TEST_SRCS(
+    test_ttl.py
+)
+
 ENV(YDB_DRIVER_BINARY="ydb/apps/ydbd/ydbd")
-TIMEOUT(600) 
-SIZE(MEDIUM) 
- 
-DEPENDS( 
+TIMEOUT(600)
+SIZE(MEDIUM)
+
+DEPENDS(
     ydb/apps/ydbd
-) 
- 
-PEERDIR( 
+)
+
+PEERDIR(
     ydb/tests/library
     ydb/public/sdk/python/ydb
-    contrib/python/PyHamcrest 
-) 
- 
-FORK_SUBTESTS() 
-FORK_TEST_FILES() 
- 
-END() 
+    contrib/python/PyHamcrest
+)
+
+FORK_SUBTESTS()
+FORK_TEST_FILES()
+
+END()
diff --git a/ydb/tests/library/harness/kikimr_runner.py b/ydb/tests/library/harness/kikimr_runner.py
index c45aa1e116..251f485b5d 100644
--- a/ydb/tests/library/harness/kikimr_runner.py
+++ b/ydb/tests/library/harness/kikimr_runner.py
@@ -253,13 +253,13 @@ class KiKiMR(kikimr_cluster_interface.KiKiMRClusterInterface):
         logger.debug("Executing command = {}".format(full_command))
         try:
             return yatest_common.execute(full_command)
-        except yatest_common.ExecutionError as e: 
-            logger.exception("KiKiMR command '{cmd}' failed with error: {e}\n\tstdout: {out}\n\tstderr: {err}".format( 
-                cmd=" ".join(str(x) for x in full_command), 
-                e=str(e), 
-                out=e.execution_result.std_out, 
-                err=e.execution_result.std_err 
-            )) 
+        except yatest_common.ExecutionError as e:
+            logger.exception("KiKiMR command '{cmd}' failed with error: {e}\n\tstdout: {out}\n\tstderr: {err}".format(
+                cmd=" ".join(str(x) for x in full_command),
+                e=str(e),
+                out=e.execution_result.std_out,
+                err=e.execution_result.std_err
+            ))
             raise
 
     def start(self):
@@ -456,9 +456,9 @@ class KiKiMR(kikimr_cluster_interface.KiKiMRClusterInterface):
         self._bs_config_invoke(request)
 
     def _bs_config_invoke(self, request):
-        timeout = yatest_common.plain_or_under_sanitizer(120, 240) 
-        sleep = 5 
-        retries, success = timeout / sleep, False 
+        timeout = yatest_common.plain_or_under_sanitizer(120, 240)
+        sleep = 5
+        retries, success = timeout / sleep, False
         while retries > 0 and not success:
             try:
                 self.__call_kikimr_new_cli(
@@ -475,7 +475,7 @@ class KiKiMR(kikimr_cluster_interface.KiKiMRClusterInterface):
             except Exception as e:
                 logger.error("Failed to execute, %s", str(e))
                 retries -= 1
-                time.sleep(sleep) 
+                time.sleep(sleep)
 
                 if retries == 0:
                     raise